annotate lisp/cl-macs.el @ 5624:c39052c921b5

New "foreback" face property. -------------------- ChangeLog entries follow: -------------------- lisp/ChangeLog addition: 2011-12-27 Didier Verna <didier@xemacs.org> * cl-macs.el (face-foreback): New defsetf. * faces.el (set-face-property): Document the foreback property. * faces.el (face-foreback): * faces.el (face-foreback-instance): * faces.el (face-foreback-name): * faces.el (set-face-foreback): New functions. * faces.el (face-equal): * faces.el (init-other-random-faces): * cus-face.el (custom-face-attributes): * x-faces.el (x-init-face-from-resources): Handle the foreback property. src/ChangeLog addition: 2011-12-27 Didier Verna <didier@xemacs.org> * faces.h (struct Lisp_Face): New 'foreback slot. * faces.h (struct face_cachel): New 'foreback and 'foreback_specified slots. * faces.h (WINDOW_FACE_CACHEL_FOREBACK): * faces.h (FACE_FOREBACK): New macros. * faces.c: Declare Qforeback. * lisp.h: Externalize it. * faces.c (syms_of_faces): Define it. * faces.c (vars_of_faces): Update built-in face specifiers. * faces.c (complex_vars_of_faces): Update specifier fallbacks. * faces.c (mark_face): * faces.c (face_equal): * faces.c (face_getprop): * faces.c (face_putprop): * faces.c (face_remprop): * faces.c (face_plist): * faces.c (reset_face): * faces.c (update_face_inheritance_mapper): * faces.c (Fmake_face): * faces.c (mark_face_cachels): * faces.c (update_face_cachel_data): * faces.c (merge_face_cachel_data): * faces.c (reset_face_cachel): * faces.c (face_property_was_changed): * faces.c (Fcopy_face): * fontcolor.c (face_color_validate): Handle the foreback property. * redisplay-msw.c (mswindows_output_blank): * redisplay-msw.c (mswindows_output_string): * redisplay-output.c (redisplay_clear_region): * redisplay-xlike-inc.c (XLIKE_output_string): * redisplay-xlike-inc.c (XLIKE_output_blank): Use the face's foreback color instead of the foreground one for drawing a background bitmap.
author Didier Verna <didier@xemacs.org>
date Tue, 27 Dec 2011 17:07:23 +0100
parents 75ad4969a16d
children bd80d9103fc8
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1 ;;; cl-macs.el --- Common Lisp extensions for XEmacs Lisp (part four)
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3 ;; Copyright (C) 1993, 2003, 2004 Free Software Foundation, Inc.
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4 ;; Copyright (C) 2002, 2010 Ben Wing.
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5
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6 ;; Author: Dave Gillespie <daveg@synaptics.com>
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7 ;; Version: 2.02
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8 ;; Keywords: extensions
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software: you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by the
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14 ;; Free Software Foundation, either version 3 of the License, or (at your
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15 ;; option) any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT
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18 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 ;; for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>.
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24
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25 ;;; Synched up with: FSF 21.3.
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26
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27 ;;; Commentary:
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28
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29 ;; These are extensions to Emacs Lisp that provide a degree of
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30 ;; Common Lisp compatibility, beyond what is already built-in
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31 ;; in Emacs Lisp.
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32 ;;
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33 ;; This package was written by Dave Gillespie; it is a complete
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34 ;; rewrite of Cesar Quiroz's original cl.el package of December 1986.
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35 ;;
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36 ;; Bug reports, comments, and suggestions are welcome!
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37
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38 ;; This file contains the portions of the Common Lisp extensions
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39 ;; package which should be autoloaded, but need only be present
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40 ;; if the compiler or interpreter is used---this file is not
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41 ;; necessary for executing compiled code.
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42
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43 ;; See cl.el for Change Log.
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45
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46 ;;; Code:
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47
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48 (or (memq 'cl-19 features)
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49 (error "Tried to load `cl-macs' before `cl'!"))
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51
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52 (defmacro cl-pop2 (place)
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53 (list 'prog1 (list 'car (list 'cdr place))
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54 (list 'setq place (list 'cdr (list 'cdr place)))))
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55 (put 'cl-pop2 'edebug-form-spec 'edebug-sexps)
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56
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57 (defvar cl-optimize-safety)
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58 (defvar cl-optimize-speed)
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60
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61 ;;; This kludge allows macros which use cl-transform-function-property
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62 ;;; to be called at compile-time.
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63
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64 (require
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65 (progn
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66 (or (fboundp 'cl-transform-function-property)
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67 (defalias 'cl-transform-function-property
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68 #'(lambda (n p f)
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69 (list 'put (list 'quote n) (list 'quote p)
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70 (list 'function (cons 'lambda f))))))
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71 'xemacs))
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73
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74 ;;; Initialization.
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75
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76 (defvar cl-old-bc-file-form nil)
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77
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78 ;;;###autoload
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79 (defun cl-compile-time-init ()
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80 (run-hooks 'cl-hack-bytecomp-hook))
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83 ;;; Some predicates for analyzing Lisp forms. These are used by various
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84 ;;; macro expanders to optimize the results in certain common cases.
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85
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86 (defconst cl-simple-funcs '(car cdr nth aref elt if and or + - 1+ 1- min max
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87 car-safe cdr-safe progn prog1 prog2))
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88 (defconst cl-safe-funcs '(* / % length memq list vector vectorp
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89 < > <= >= = error))
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90
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91 ;;; Check if no side effects, and executes quickly.
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92 (defun cl-simple-expr-p (x &optional size)
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93 (or size (setq size 10))
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94 (if (and (consp x) (not (memq (car x) '(quote function function*))))
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95 (and (symbolp (car x))
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96 (or (memq (car x) cl-simple-funcs)
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97 (get (car x) 'side-effect-free))
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98 (progn
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99 (setq size (1- size))
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100 (while (and (setq x (cdr x))
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101 (setq size (cl-simple-expr-p (car x) size))))
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102 (and (null x) (>= size 0) size)))
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103 (and (> size 0) (1- size))))
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104
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105 (defun cl-simple-exprs-p (xs)
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106 (while (and xs (cl-simple-expr-p (car xs)))
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107 (setq xs (cdr xs)))
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108 (not xs))
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109
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110 ;;; Check if no side effects.
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111 (defun cl-safe-expr-p (x)
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112 (or (not (and (consp x) (not (memq (car x)
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113 '(quote function function* lambda)))))
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114 (and (symbolp (car x))
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115 (or (memq (car x) cl-simple-funcs)
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116 (memq (car x) cl-safe-funcs)
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117 (get (car x) 'side-effect-free))
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118 (progn
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119 (while (and (setq x (cdr x)) (cl-safe-expr-p (car x))))
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120 (null x)))))
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121
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122 ;;; Check if constant (i.e., no side effects or dependencies).
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123 (defun cl-const-expr-p (x)
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124 (cond ((consp x)
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125 (or (eq (car x) 'quote)
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126 (and (memq (car x) '(function function*))
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127 (or (symbolp (nth 1 x))
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128 (and (eq (car-safe (nth 1 x)) 'lambda) 'func)))))
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129 ((symbolp x) (and (memq x '(nil t)) t))
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130 (t t)))
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131
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132 (defun cl-const-exprs-p (xs)
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133 (while (and xs (cl-const-expr-p (car xs)))
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134 (setq xs (cdr xs)))
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135 (not xs))
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136
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137 (defun cl-const-expr-val (x &optional cl-not-constant)
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138 (let ((cl-const-expr-p (cl-const-expr-p x)))
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139 (cond ((eq cl-const-expr-p t) (if (consp x) (nth 1 x) x))
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140 ((eq cl-const-expr-p 'func) (nth 1 x))
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141 (cl-not-constant))))
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142
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143 (defun cl-expr-access-order (x v)
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144 (if (cl-const-expr-p x) v
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145 (if (consp x)
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146 (progn
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147 (while (setq x (cdr x)) (setq v (cl-expr-access-order (car x) v)))
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148 v)
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149 (if (eq x (car v)) (cdr v) '(t)))))
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150
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151 ;;; Count number of times X refers to Y. Return nil for 0 times.
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152 (defun cl-expr-contains (x y)
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153 (cond ((equal y x) 1)
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154 ((and (consp x) (not (memq (car-safe x) '(quote function function*))))
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155 (let ((sum 0))
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156 (while x
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157 (setq sum (+ sum (or (cl-expr-contains (pop x) y) 0))))
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158 (and (> sum 0) sum)))
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159 (t nil)))
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160
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161 (defun cl-expr-contains-any (x y)
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162 (while (and y (not (cl-expr-contains x (car y)))) (pop y))
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163 y)
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164
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165 ;;; Check whether X may depend on any of the symbols in Y.
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166 (defun cl-expr-depends-p (x y)
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167 (and (not (cl-const-expr-p x))
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168 (or (not (cl-safe-expr-p x)) (cl-expr-contains-any x y))))
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169
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170 ;;; Symbols.
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171
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172 (defvar *gensym-counter*)
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173
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174 ;; XEmacs change: gensym and gentemp have been moved to cl.el.
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175
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176
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177 ;;; Program structure.
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178
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179 ;;;###autoload
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180 (defmacro defun* (name arglist &optional docstring &rest body)
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181 "Define NAME as a function.
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182 Like normal `defun', except ARGLIST allows full Common Lisp conventions,
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183 and BODY is implicitly surrounded by (block NAME ...).
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184
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185 \"Full Common Lisp conventions\" means that:
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186
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187 -- In addition to &optional and &rest, the lambda-list keywords &key,
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188 &allow-other-keys, and &aux are allowed.
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189
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190 -- The format of the arguments to &optional is expanded: As well as simple
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191 variables, they can be lists of the form (VAR [INITFORM [SVAR]]); when
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192 no argument is available for VAR, INITFORM is evaluated (or nil, if
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193 INITFORM is omitted) and stored as VAR's value, and SVAR is bound to t.
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194 If an arguent is available for VAR, and INITFORM is unused, SVAR is
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195 bound to nil.
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196
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197 -- &key specifies keyword arguments. The format of each argument is
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198 VAR || ( { VAR || (KEYWORD VAR) } [INITFORM [SVAR]]).
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199
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200 If VAR is specified on its own, VAR is bound within BODY to the value
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201 supplied by the caller for the corresponding keyword; for example, &key
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202 my-value means callers write :my-value RUNTIME-EXPRESSION.
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203
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204 If (VAR INITFORM) is specified, INITFORM is an expression evaluated at
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205 runtime to determine a default value for VAR.
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206
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207 If (VAR INITFORM SVAR) is specified, SVAR is variable available within
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208 BODY that is non-nil if VAR was explicitly specified in the calling
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209 expression.
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210
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211 If ((KEYWORD VAR)) is specified, KEYWORD is the keyword to be used by
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212 callers, and VAR is the corresponding variable binding within BODY.
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213
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214 In calls to NAME, values for a given keyword may be supplied multiple
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215 times. The first value is the only one used.
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216
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217 -- &allow-other-keys means that if other keyword arguments are given that are
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218 not specifically list in the arg list, they are allowed, rather than an
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219 error being signalled. They can be retrieved with an &rest form.
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220
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221 -- &aux specifies extra bindings, exactly like a `let*' enclosing the body.
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222 The format of each binding is VAR || (VAR [INITFORM]) -- exactly like the
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223 format of `let'/`let*' bindings.
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224 "
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225 (list* 'defun name (cdr (cl-transform-lambda (list* arglist docstring body)
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226 name))))
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227
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228 ;;;###autoload
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229 (defmacro defmacro* (name arglist &optional docstring &rest body)
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230 "Define NAME as a macro.
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231 Like normal `defmacro', except ARGLIST allows full Common Lisp conventions,
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232 and BODY is implicitly surrounded by (block NAME ...).
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233
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234 \"Full Common Lisp conventions\" means that:
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235
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236 -- The lambda-list keywords &optional, &rest, &key, &allow-other-keys, and
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237 &aux are allowed, as in `defun*'.
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238
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239 -- Three additional lambda-list keywords are allowed: &body, &whole, and
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240 &environment:
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241
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242 &body is equivalent to &rest, but is intended to indicate that the
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243 following arguments are the body of some piece of code, and should be
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244 indented as such.
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245
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246 &whole must come first; it is followed by a single variable that, at
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247 macro expansion time, reflects all the arguments supplied to the macro,
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248 as if it had been declared with a single &rest argument.
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249
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250 &environment specifies local semantics for various macros for use within
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251 the expansion of BODY. See the ENVIRONMENT argument to `macroexpand'.
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252
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253 -- The macro arg list syntax allows for \"destructuring\" -- see also
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254 `destructuring-bind', which destructures exactly like `defmacro*', and
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255 `loop', which does a rather different way of destructuring. Anywhere
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256 that a simple argument may appear, and (if following a lambda-list
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257 keyword) a list may not normally appear, an embedded lambda list can be
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258 substituted. (The format of the embedded lambda list is exactly the
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259 same as for a top-level list except that &environment is not allowed.)
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260 When matching this lambda list against a caller-specified argument, that
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261 argument is treated as a list and normal lambda-list processing occurs,
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262 just as if the entire operation were happening at top level.
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263 Furthermore, any lambda list, embedded or top-level, can be dotted at its
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264 end, and this will cause matching with an appropriate dotted list given
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265 as an argument.
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266
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267 See `loop' for practical examples of destructuring, but
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268 keep in mind that `loop' destructuring is somewhat different from macro
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269 destructuring in that
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270
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271 (a) Macro destructuring has extra features in the various lambda-list
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272 keywords, allowing for special processing of a list other than just
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273 simple matching.
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274 (b) Macro destructuring is strict, in that an error is signalled if the
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275 actual structure does not match the expected structure. On the
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276 other hand, loop destructuring is lax -- extra arguments in a list
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277 are ignored, not enough arguments cause the remaining parameters to
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278 receive a value of nil, etc.
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279 "
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280 (list* 'defmacro name (cdr (cl-transform-lambda (list* arglist docstring body)
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281 name))))
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282
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283 ;;;###autoload
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284 (defmacro function* (symbol-or-lambda)
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285 "Introduce a function.
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286 Like normal `function', except that if argument is a lambda form, its
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287 ARGLIST allows full Common Lisp conventions."
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288 `(function
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289 ,(if (eq (car-safe symbol-or-lambda) 'lambda)
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290 (cons 'lambda (cdr (cl-transform-lambda (cdr symbol-or-lambda)
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291 'cl-none)))
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292 symbol-or-lambda)))
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293
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294 (defun cl-transform-function-property (func prop form)
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295 (cl-macroexpand-all
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296 `(put ',func ',prop #'(lambda ,@(cdr (cl-transform-lambda form func))))
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297 byte-compile-macro-environment))
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298
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299 (defconst lambda-list-keywords
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300 '(&optional &rest &key &allow-other-keys &aux &whole &body &environment))
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301
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302 (defvar bind-block) (defvar bind-defs) (defvar bind-enquote)
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303 (defvar bind-lets) (defvar bind-forms)
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304
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305 ;; npak@ispras.ru
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306 (defun cl-upcase-arg (arg)
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307 ;; Changes all non-keyword symbols in `ARG' to symbols
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308 ;; with name in upper case.
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309 ;; ARG is either symbol or list of symbols or lists
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310 (cond ((symbolp arg)
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311 ;; Do not upcase &optional, &key etc.
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312 (if (memq arg lambda-list-keywords)
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313 arg
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314 (make-symbol (upcase (symbol-name arg)))))
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315 ((listp arg)
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316 (let ((arg (copy-list arg)) junk)
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317 ;; Clean the list
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318 (let ((p (last arg))) (if (cdr p) (setcdr p (list '&rest (cdr p)))))
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319 (if (setq junk (cadr (memq '&cl-defs arg)))
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320 (setq arg (delq '&cl-defs (delq junk arg))))
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321 (if (memq '&cl-quote arg)
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322 (setq arg (delq '&cl-quote arg)))
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323 (mapcar 'cl-upcase-arg arg)))
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324 (t arg))) ; Maybe we are in initializer
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325
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326 ;; npak@ispras.ru, modified by ben@666.com
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327 ;;;###autoload
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328 (defun cl-function-arglist (arglist)
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329 "Returns string with printed representation of arguments list.
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330 Supports Common Lisp lambda lists."
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331 (if (not (or (listp arglist) (symbolp arglist)))
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332 "Not available"
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333 (check-argument-type #'true-list-p arglist)
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334 (let ((print-gensym nil))
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335 (condition-case nil
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336 (let ((args (cond ((null arglist) nil)
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337 ((listp arglist) (cl-upcase-arg arglist))
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338 ((symbolp arglist)
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339 (cl-upcase-arg (list '&rest arglist)))
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340 (t (wrong-type-argument 'listp arglist)))))
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341 (if args (prin1-to-string args) "()"))
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342 (t "Not available")))))
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343
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344 (defun cl-transform-lambda (form bind-block)
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345 "Transform a lambda expression to support Common Lisp conventions.
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346
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347 FORM is the cdr of the lambda expression. BIND-BLOCK is the implicit block
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348 name that's added, typically the name of the associated function. It can be
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349 the symbol `cl-none', to indicate no implicit block is needed.
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350
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351 The Common Lisp conventions described are those detailed in the `defun*' and
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352 `defmacro*' docstrings. This function returns a list with the first element
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353 nil, to be ignored. The rest of the list represents a transformed lambda
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354 expression, with any argument list parsing code necessary, and a surrounding
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355 block."
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356 (let* ((args (car form)) (body (cdr form))
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357 (bind-defs nil) (bind-enquote nil)
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358 (bind-lets nil) (bind-forms nil)
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359 (header nil) (simple-args nil)
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360 (complex-arglist (cl-function-arglist args))
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361 (doc ""))
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362 (while (or (stringp (car body)) (eq (car-safe (car body)) 'interactive))
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363 (push (pop body) header))
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364 (setq args (if (listp args) (copy-list args) (list '&rest args)))
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365 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p)))))
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366 (if (setq bind-defs (cadr (memq '&cl-defs args)))
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367 (setq args (delq '&cl-defs (delq bind-defs args))
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368 bind-defs (cadr bind-defs)))
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369 (if (setq bind-enquote (memq '&cl-quote args))
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370 (setq args (delq '&cl-quote args)))
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371 (if (memq '&whole args) (error "&whole not currently implemented"))
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372 (let* ((p (memq '&environment args)) (v (cadr p)))
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373 (if p (setq args (nconc (delq (car p) (delq v args))
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374 `(&aux (,v byte-compile-macro-environment))))))
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375 (while (and args (symbolp (car args))
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376 (not (memq (car args) '(nil &rest &body &key &aux)))
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377 (not (and (eq (car args) '&optional)
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378 (or bind-defs (consp (cadr args))))))
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379 (push (pop args) simple-args))
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380 (or (eq bind-block 'cl-none)
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381 (setq body (list (list* 'block bind-block body))))
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382 (setq simple-args (nreverse simple-args)
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383 header (nreverse header))
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384 (if (null args)
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385 (list* nil simple-args (nconc header body))
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386 (if (memq '&optional simple-args) (push '&optional args))
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387 (cl-do-arglist args nil (- (length simple-args)
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388 (if (memq '&optional simple-args) 1 0)))
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389 (setq bind-lets (nreverse bind-lets))
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390 ;; This code originally needed to create the keywords itself, that
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391 ;; wasn't done by the Lisp reader; the first element of the result
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392 ;; list comprised code to do this. It's not used any more.
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393 (list* nil (prog1
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394 (setq simple-args
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395 (nconc simple-args
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396 (list '&rest (car (pop bind-lets)))))
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397 ;; Add CL lambda list to documentation, if the CL lambda
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398 ;; list differs from the non-CL lambda
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399 ;; list. npak@ispras.ru
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400 (unless (equal complex-arglist
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401 (cl-function-arglist simple-args))
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402 (and (stringp (car header)) (setq doc (pop header)))
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403 ;; Stick the arguments onto the end of the doc string
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404 ;; in a way that will be recognized specially by
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405 ;; `function-arglist'.
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406 (push (concat doc "\n\narguments: " complex-arglist "\n")
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407 header)))
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408 ;; XEmacs change: we add usage information using Nickolay's
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409 ;; approach above
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410 (nconc header
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411 (list (nconc (list 'let* bind-lets)
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412 (nreverse bind-forms) body)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
413
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
414 (defun cl-do-arglist (args expr &optional num) ; uses bind-*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
415 (if (nlistp args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
416 (if (or (memq args lambda-list-keywords) (not (symbolp args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
417 (error "Invalid argument name: %s" args)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
418 (push (list args expr) bind-lets))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
419 (setq args (copy-list args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
420 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
421 (let ((p (memq '&body args))) (if p (setcar p '&rest)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
422 (if (memq '&environment args) (error "&environment used incorrectly"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
423 (let ((save-args args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
424 (restarg (memq '&rest args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
425 (safety (if (cl-compiling-file) cl-optimize-safety 3))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
426 (keys nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
427 (laterarg nil) (exactarg nil) minarg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
428 (or num (setq num 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
429 (if (listp (cadr restarg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
430 (setq restarg (gensym "--rest--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
431 (setq restarg (cadr restarg)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
432 (push (list restarg expr) bind-lets)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
433 (if (eq (car args) '&whole)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
434 (push (list (cl-pop2 args) restarg) bind-lets))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
435 (let ((p args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
436 (setq minarg restarg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
437 (while (and p (not (memq (car p) lambda-list-keywords)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
438 (or (eq p args) (setq minarg (list 'cdr minarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
439 (setq p (cdr p)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
440 (if (memq (car p) '(nil &aux))
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
441 (setq minarg (list 'eql (list 'length restarg)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
442 (length (ldiff args p)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
443 exactarg (not (eq args p)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
444 (while (and args (not (memq (car args) lambda-list-keywords)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
445 (let ((poparg (list (if (or (cdr args) (not exactarg)) 'pop 'car)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
446 restarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
447 (cl-do-arglist
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
448 (pop args)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
449 (if (or laterarg (= safety 0)) poparg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
450 (list 'if minarg poparg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
451 (list 'signal '(quote wrong-number-of-arguments)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
452 (list 'list (and (not (eq bind-block 'cl-none))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
453 (list 'quote bind-block))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
454 (list 'length restarg)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
455 (setq num (1+ num) laterarg t))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
456 (while (and (eq (car args) '&optional) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
457 (while (and args (not (memq (car args) lambda-list-keywords)))
2153
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james
parents: 1580
diff changeset
458 (let ((arg (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
459 (or (consp arg) (setq arg (list arg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
460 (if (cddr arg) (cl-do-arglist (nth 2 arg) (list 'and restarg t)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
461 (let ((def (if (cdr arg) (nth 1 arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
462 (or (car bind-defs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
463 (nth 1 (assq (car arg) bind-defs)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
464 (poparg (list 'pop restarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
465 (and def bind-enquote (setq def (list 'quote def)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
466 (cl-do-arglist (car arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
467 (if def (list 'if restarg poparg def) poparg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
468 (setq num (1+ num))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
469 (if (eq (car args) '&rest)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
470 (let ((arg (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
471 (if (consp arg) (cl-do-arglist arg restarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
472 (or (eq (car args) '&key) (= safety 0) exactarg
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
473 (push (list 'if restarg
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
474 (list 'signal '(quote wrong-number-of-arguments)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
475 (list 'list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
476 (and (not (eq bind-block 'cl-none))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
477 (list 'quote bind-block))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
478 (list '+ num (list 'length restarg)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
479 bind-forms)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
480 (while (and (eq (car args) '&key) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
481 (while (and args (not (memq (car args) lambda-list-keywords)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
482 (let ((arg (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
483 (or (consp arg) (setq arg (list arg)))
4793
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
484 (let* ((karg (if (consp (car arg))
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
485 ;; It's possible to use non-keywords here, as
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
486 ;; in the KEYWORD-ARGUMENT-NAME-PACKAGE Common
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
487 ;; Lisp issue:
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
488 (caar arg)
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
489 ;; Use read instead of intern in case we ever
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
490 ;; actually get packages and keywords are no
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
491 ;; longer in obarray:
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
492 (read (concat ":" (symbol-name (car arg))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
493 (varg (if (consp (car arg)) (cadar arg) (car arg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
494 (def (if (cdr arg) (cadr arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
495 (or (car bind-defs) (cadr (assq varg bind-defs)))))
4793
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
496 (look (list 'memq (quote-maybe karg) restarg)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
497 (and def bind-enquote (setq def (list 'quote def)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
498 (if (cddr arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
499 (let* ((temp (or (nth 2 arg) (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
500 (val (list 'car (list 'cdr temp))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
501 (cl-do-arglist temp look)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
502 (cl-do-arglist varg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
503 (list 'if temp
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
504 (list 'prog1 val (list 'setq temp t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
505 def)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
506 (cl-do-arglist
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
507 varg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
508 (list 'car
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
509 (list 'cdr
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
510 (if (null def)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
511 look
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
512 (list 'or look
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
513 (if (eq (cl-const-expr-p def) t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
514 (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
515 'quote
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
516 (list nil (cl-const-expr-val def)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
517 (list 'list nil def))))))))
4793
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
518 (push karg keys)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
519 (setq keys (nreverse keys))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
520 (or (and (eq (car args) '&allow-other-keys) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
521 (null keys) (= safety 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
522 (let* ((var (gensym "--keys--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
523 (allow '(:allow-other-keys))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
524 (check (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
525 'while var
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
526 (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
527 'cond
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
528 (list (list 'memq (list 'car var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
529 (list 'quote (append keys allow)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
530 (list 'setq var (list 'cdr (list 'cdr var))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
531 (list (list 'car
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
532 (list 'cdr
4793
8b50bee3c88c Remove attempted support for 1996-era emacs without self-quoting keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
533 (list 'memq (car allow)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
534 restarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
535 (list 'setq var nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
536 (list t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
537 (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
538 'error
5084
6afe991b8135 Add a PARSE_KEYWORDS macro, use it in #'make-hash-table.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5080
diff changeset
539 ''invalid-keyword-argument
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
540 (list 'car var)))))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
541 (push (list 'let (list (list var restarg)) check) bind-forms)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
542 (while (and (eq (car args) '&aux) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
543 (while (and args (not (memq (car args) lambda-list-keywords)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
544 (if (consp (car args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
545 (if (and bind-enquote (cadar args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
546 (cl-do-arglist (caar args)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
547 (list 'quote (cadr (pop args))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
548 (cl-do-arglist (caar args) (cadr (pop args))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
549 (cl-do-arglist (pop args) nil))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
550 (if args (error "Malformed argument list %s" save-args)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
551
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
552 (defun cl-arglist-args (args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
553 (if (nlistp args) (list args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
554 (let ((res nil) (kind nil) arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
555 (while (consp args)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
556 (setq arg (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
557 (if (memq arg lambda-list-keywords) (setq kind arg)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
558 (if (eq arg '&cl-defs) (pop args)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
559 (and (consp arg) kind (setq arg (car arg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
560 (and (consp arg) (cdr arg) (eq kind '&key) (setq arg (cadr arg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
561 (setq res (nconc res (cl-arglist-args arg))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
562 (nconc res (and args (list args))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
563
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
564 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
565 (defmacro destructuring-bind (args expr &rest body)
872
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 800
diff changeset
566 "Bind the arguments in ARGS to EXPR then eval BODY.
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 800
diff changeset
567 This is similar to `let' but it does \"destructuring\", in that it matches
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 800
diff changeset
568 the structure of ARGS to the structure of EXPR and binds corresponding
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parents: 800
diff changeset
569 arguments in ARGS to their values in EXPR. The format of ARGS, and the
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parents: 800
diff changeset
570 way the destructuring works, is exactly like the destructuring that occurs
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diff changeset
571 in `defmacro*'; see that for more information.
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diff changeset
572
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diff changeset
573 An alternative means of destructuring is using the `loop' macro. `loop'
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diff changeset
574 gives practical examples of destructuring. `defmacro*' describes the
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diff changeset
575 differences between loop and macro-style destructuring.
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parents: 800
diff changeset
576
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diff changeset
577 You can rewrite a call to (destructuring-bind ARGS EXPR &rest BODY) using
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diff changeset
578 `loop', approximately like this:
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diff changeset
579
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580 (loop for ARGS = EXPR
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diff changeset
581 return (progn BODY))
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parents: 800
diff changeset
582
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parents: 800
diff changeset
583 I say \"approximately\" because the destructuring works in a somewhat
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parents: 800
diff changeset
584 different fashion, although for most reasonably simple constructs the
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diff changeset
585 results will be the same."
5509
9ac0016d8fe8 Remove `bind-inits', cl-macs.el, it's no longer used.
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diff changeset
586 (let ((bind-block 'cl-none) bind-lets bind-forms bind-defs)
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587 (cl-do-arglist (or args '(&aux)) expr)
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588 (nconc (list 'let* (nreverse bind-lets)) (nreverse bind-forms) body)))
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589
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590 ;;; The `eval-when' form.
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591
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592 (defvar cl-not-toplevel nil)
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593
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594 ;;;###autoload
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595 (defmacro eval-when (when &rest body)
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596 "Control when BODY is evaluated.
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597 If `compile' is in WHEN, BODY is evaluated when compiled at top-level.
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598 If `load' is in WHEN, BODY is evaluated when loaded after top-level compile.
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599 If `eval' is in WHEN, BODY is evaluated when interpreted or at non-top-level.
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600
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601 arguments: ((&rest WHEN) &body BODY)"
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602 (if (and (fboundp 'cl-compiling-file) (cl-compiling-file)
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603 (not cl-not-toplevel) (not (boundp 'for-effect))) ; horrible kludge
2153
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604 (let ((comp (or (memq 'compile when) (memq :compile-toplevel when)))
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605 (cl-not-toplevel t))
2153
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diff changeset
606 (if (or (memq 'load when) (memq :load-toplevel when))
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607 (if comp (cons 'progn (mapcar 'cl-compile-time-too body))
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608 (list* 'if nil nil body))
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609 (progn (if comp (eval (cons 'progn body))) nil)))
2153
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diff changeset
610 (and (or (memq 'eval when) (memq :execute when))
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611 (cons 'progn body))))
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612
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613 (defun cl-compile-time-too (form)
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614 (or (and (symbolp (car-safe form)) (get (car-safe form) 'byte-hunk-handler))
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615 (setq form (macroexpand
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616 form (cons '(eval-when) byte-compile-macro-environment))))
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617 (cond ((eq (car-safe form) 'progn)
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618 (cons 'progn (mapcar 'cl-compile-time-too (cdr form))))
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619 ((eq (car-safe form) 'eval-when)
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620 (let ((when (nth 1 form)))
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621 (if (or (memq 'eval when) (memq :execute when))
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622 (list* 'eval-when (cons 'compile when) (cddr form))
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623 form)))
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624 (t (eval form) form)))
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625
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626 ;;; Conditional control structures.
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627
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628 ;;;###autoload
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629 (defmacro case (expr &rest clauses)
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diff changeset
630 "Evals EXPR, chooses from CLAUSES on that value.
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631 Each clause looks like (KEYLIST BODY...). EXPR is evaluated and compared
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632 against each key in each KEYLIST; the corresponding BODY is evaluated.
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633 If no clause succeeds, case returns nil. A single atom may be used in
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634 place of a KEYLIST of one atom. A KEYLIST of `t' or `otherwise' is
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635 allowed only in the final clause, and matches if no other keys match.
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636 Key values are compared by `eql'."
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637 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym)))
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638 (head-list nil)
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639 (last-clause (car (last clauses)))
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640 (body (cons
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641 'cond
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642 (mapcar
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643 #'(lambda (c)
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644 (cons (cond ((memq (car c) '(t otherwise))
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diff changeset
645 ;; XEmacs addition: check for last clause
428
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646 (or (eq c last-clause)
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647 (error
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648 "`%s' is allowed only as the last case clause"
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649 (car c)))
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650 t)
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651 ((eq (car c) 'ecase-error-flag)
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652 (list 'error "ecase failed: %s, %s"
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653 temp (list 'quote (reverse head-list))))
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654 ((listp (car c))
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655 (setq head-list (append (car c) head-list))
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656 (list 'member* temp (list 'quote (car c))))
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657 (t
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658 (if (memq (car c) head-list)
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659 (error "Duplicate key in case: %s"
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diff changeset
660 (car c)))
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diff changeset
661 (push (car c) head-list)
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662 (list 'eql temp (list 'quote (car c)))))
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663 (or (cdr c) '(nil))))
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664 clauses))))
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665 (if (eq temp expr) body
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666 (list 'let (list (list temp expr)) body))))
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667
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668 ;; #### CL standard also requires `ccase', which signals a continuable
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669 ;; error (`cerror' in XEmacs). However, I don't think it buys us
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670 ;; anything to introduce it, as there is probably much more CL stuff
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671 ;; missing, and the feature is not essential. --hniksic
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672
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673 ;;;###autoload
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674 (defmacro ecase (expr &rest clauses)
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675 "Like `case', but error if no case fits.
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676 `otherwise'-clauses are not allowed."
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677 ;; XEmacs addition: disallow t and otherwise
428
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678 (let ((disallowed (or (assq t clauses)
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679 (assq 'otherwise clauses))))
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680 (if disallowed
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681 (error "`%s' is not allowed in ecase" (car disallowed))))
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682 (list* 'case expr (append clauses '((ecase-error-flag)))))
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683
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684 ;;;###autoload
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685 (defmacro typecase (expr &rest clauses)
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diff changeset
686 "Evals EXPR, chooses from CLAUSES on that value.
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687 Each clause looks like (TYPE BODY...). EXPR is evaluated and, if it
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688 satisfies TYPE, the corresponding BODY is evaluated. If no clause succeeds,
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689 typecase returns nil. A TYPE of `t' or `otherwise' is allowed only in the
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690 final clause, and matches if no other keys match."
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691 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym)))
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692 (type-list nil)
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693 (body (cons
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694 'cond
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695 (mapcar
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696 #'(lambda (c)
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diff changeset
697 (cons (cond ((eq (car c) 'otherwise) t)
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diff changeset
698 ((eq (car c) 'ecase-error-flag)
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699 (list 'error "etypecase failed: %s, %s"
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700 temp (list 'quote (reverse type-list))))
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701 (t
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diff changeset
702 (push (car c) type-list)
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diff changeset
703 (cl-make-type-test temp (car c))))
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704 (or (cdr c) '(nil))))
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705 clauses))))
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706 (if (eq temp expr) body
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707 (list 'let (list (list temp expr)) body))))
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708
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709 ;;;###autoload
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diff changeset
710 (defmacro etypecase (expr &rest clauses)
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parents: 4694
diff changeset
711 "Like `typecase', but error if no case fits.
428
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712 `otherwise'-clauses are not allowed."
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713 (list* 'typecase expr (append clauses '((ecase-error-flag)))))
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714
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715
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716 ;;; Blocks and exits.
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diff changeset
717 (defvar cl-active-block-names nil)
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718
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719 ;;;###autoload
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720 (defmacro block (name &rest body)
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fee33ab25966 Add arglist info for autoloaded functions and macros.
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diff changeset
721 "Define a lexically-scoped block named NAME.
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722 NAME may be any symbol. Code inside the BODY forms can call `return-from'
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723 to jump prematurely out of the block. This differs from `catch' and `throw'
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724 in two respects: First, the NAME is an unevaluated symbol rather than a
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725 quoted symbol or other form; and second, NAME is lexically rather than
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726 dynamically scoped: Only references to it within BODY will work. These
5353
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
727 references may appear inside macro expansions and in lambda expressions, but
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
728 not inside other functions called from BODY."
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
729 (let ((cl-active-block-names (acons name (copy-symbol name)
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
730 cl-active-block-names))
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
731 (body (cons 'progn body)))
5356
5dd1ba5e0113 Be better about eliminating `block's that are not `return-from'd, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5353
diff changeset
732 ;; Tell the byte-compiler this is a block, not a normal catch call, and
5dd1ba5e0113 Be better about eliminating `block's that are not `return-from'd, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5353
diff changeset
733 ;; as such it can eliminate it if that's appropriate:
5dd1ba5e0113 Be better about eliminating `block's that are not `return-from'd, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5353
diff changeset
734 (put (cdar cl-active-block-names) 'cl-block-name name)
5353
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
735 `(catch ',(cdar cl-active-block-names)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
736 ,(cl-macroexpand-all body byte-compile-macro-environment))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
737
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
738 ;;;###autoload
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
739 (defmacro return (&optional result)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
740 "Return from the block named nil.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
741 This is equivalent to `(return-from nil RESULT)'."
5353
38e24b8be4ea Improve the lexical scoping in #'block, #'return-from.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5346
diff changeset
742 `(return-from nil ,result))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
743
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
744 ;;;###autoload
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
745 (defmacro return-from (name &optional result)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
746 "Return from the block named NAME.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
747 This jumps out to the innermost enclosing `(block NAME ...)' form,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
748 returning RESULT from that form (or nil if RESULT is omitted).
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
749 This is compatible with Common Lisp, but note that `defun' and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
750 `defmacro' do not create implicit blocks as they do in Common Lisp."
5356
5dd1ba5e0113 Be better about eliminating `block's that are not `return-from'd, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5353
diff changeset
751 `(throw ',(or (cdr (assq name cl-active-block-names))
5376
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
752 ;; Tell the byte-compiler the original name of the block,
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
753 ;; leave any warning to it.
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
754 (let ((copy-symbol (copy-symbol name)))
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
755 (put copy-symbol 'cl-block-name name)
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
756 copy-symbol))
4b529b940e2e Eliminate unused blocks named nil, too, cl-macs.el, bytecomp.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5367
diff changeset
757 ,result))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
758
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
759 ;;; The "loop" macro.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
760
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
761 (defvar args) (defvar loop-accum-var) (defvar loop-accum-vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
762 (defvar loop-bindings) (defvar loop-body) (defvar loop-destr-temps)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
763 (defvar loop-finally) (defvar loop-finish-flag) (defvar loop-first-flag)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
764 (defvar loop-initially) (defvar loop-map-form) (defvar loop-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
765 (defvar loop-result) (defvar loop-result-explicit)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
766 (defvar loop-result-var) (defvar loop-steps) (defvar loop-symbol-macs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
767
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
768 ;;;###autoload
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
769 (defmacro loop (&rest clauses)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
770 "The Common Lisp `loop' macro.
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
771
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
772 The loop macro consists of a series of clauses, which do things like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
773 iterate variables, set conditions for exiting the loop, accumulating values
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
774 to be returned as the return value of the loop, and executing arbitrary
2297
13a418960a88 [xemacs-hg @ 2004-09-22 02:05:42 by stephent]
stephent
parents: 2153
diff changeset
775 blocks of code. Each clause is processed in turn, and the loop executes its
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
776 body repeatedly until an exit condition is hit.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
777
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
778 It's important to understand that loop clauses such as `for' and `while',
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
779 which look like loop-establishing constructs, don't actually *establish* a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
780 loop\; the looping is established by the `loop' clause itself, which will
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
781 repeatedly process its body until told to stop. `while' merely establishes
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
782 a condition which, when true, causes the loop to finish, and `for' sets a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
783 variable to different values on each iteration (e.g. successive elements of
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
784 a list) and sets an exit condition when there are no more values. This
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
785 means, for example, that if two `for' clauses appear, you don't get two
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
786 nested loops, but instead two variables that are stepped in parallel, and
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
787 two exit conditions, either of which, if triggered, will cause the loop to
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
788 end. Similarly for a loop with a `for' and a `while' clause. For example:
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
789
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
790 \(loop
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
791 for x in list
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
792 while x
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
793 do ...)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
794
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
795 In each successive iteration, X is set to the next element of the list. If
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
796 there are no more elements, or if any element is nil (the `while' clause),
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
797 the loop exits. Otherwise, the block of code following `do' is executed.)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
798
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
799 This example also shows that some clauses establish variable bindings --
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
800 essentially like a `let' binding -- and that following clauses can
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
801 reference these variables. Furthermore, the entire loop is surrounded by a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
802 block named nil (unless the `named' clause is given), so you can return
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
803 from the loop using the macro `return'. (The other way to exit the loop is
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
804 through the macro `loop-finish'. The difference is that some loop clauses
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
805 establish or accumulate a value to be returned, and `loop-finish' returns
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
806 this. `return', however, can only return an explicitly-specified value.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
807 NOTE CAREFULLY: There is a loop clause called `return' as well as a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
808 standard Lisp macro called `return'. Normally they work similarly\; but if
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
809 you give the loop a name with `named', you will need to use the macro
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
810 `return-from'.)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
811
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
812 Another extremely useful feature of loops is called \"destructuring\". If,
5384
3889ef128488 Fix misspelled words, and some grammar, across the entire source tree.
Jerry James <james@xemacs.org>
parents: 5380
diff changeset
813 in place of VAR, a list (possibly dotted, possibly a tree of arbitrary
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
814 complexity) is given, the value to be assigned is assumed to have a similar
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
815 structure to the list given, and variables in the list will be matched up
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
816 with corresponding elements in the structure. For example:
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
817
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
818 \(loop
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
819 for (x y) in '((foo 1) (bar 2) (baz 3))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
820 do (puthash x y some-hash-table))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
821
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
822 will add three elements to a hash table, mapping foo -> 1, bar -> 2, and
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
823 baz -> 3. As other examples, you can conveniently process alists using
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
824
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
825 \(loop for (x . y) in alist do ...)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
826
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
827 and plists using
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
828
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
829 \(loop for (x y) on plist by #'cddr do ...)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
830
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
831 Destructuring is forgiving in that mismatches in the number of elements on
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
832 either size will be handled gracefully, either by ignoring or initializing
1123
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
833 to nil. Destructuring is extremely powerful, and is probably the single
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
834 most useful feature of `loop'.
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
835
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
836 Other useful features of loops are iterating over hash-tables, collecting values into lists, and being able to modify lists in-place as you iterate over them. As an example of the first two,
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
837
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
838 \(loop for x being the hash-key in table using (hash-value y)
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
839 collect (cons x y))
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
840
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
841 converts hash-table TABLE to an alist. (What `collect' actually does is
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
842 push its value onto the end of an internal list and establish this list as
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
843 the default return value of the loop. See below for more information.)
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
844
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
845 An example of in-place modification is
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
846
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
847 \(setq foo '(1 3 5))
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
848 \(loop for x in-ref foo do
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
849 (setf x (* x x)))
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
850
37bdd24225ef [xemacs-hg @ 2002-11-27 07:15:02 by ben]
ben
parents: 872
diff changeset
851 after which foo will contain '(1 9 25).
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
852
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
853 If you don't understand how a particular loop clause works, create an
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
854 example and use `macroexpand-sexp' to expand the macro.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
855
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
856 Valid clauses are:
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
857
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
858 \(NOTE: Keywords in lowercase\; slashes separate different possibilities
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
859 for keywords, some of which are synonymous\; brackets indicate optional
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
860 parts of the clause. In all of the clauses with `being', the word `being',
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
861 the words `each' or `the', and the difference between singular and plural
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
862 keywords are all just syntactic sugar. Stylistically, you should write
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
863 either `being each foo' or `being the foos'.)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
864
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
865 for VAR from/upfrom/downfrom NUM1 to/upto/downto/above/below NUM2 [by NUMSTEP]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
866 Step VAR across numbers. `upfrom', `upto', and `below' explicitly
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
867 indicate upward stepping\; `downfrom', `downto', and `above' explicitly
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
868 indicate downward stepping. (If none of these is given, the default is
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
869 upward.) `to', `upto', and `downto' cause stepping to include NUM2 as
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
870 the last iteration, while `above' and `below' stop just before reaching
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
871 NUM2. `by' can be given to indicate a stepping increment other than 1.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
872
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
873 for VAR in LIST [by FUNC]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
874 Step VAR over elements of a LIST. FUNC specifies how to get successive
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
875 sublists and defaults to `cdr'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
876
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
877 for VAR on LIST [by FUNC]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
878 Step VAR over tails of a LIST. FUNC specifies how to get successive
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
879 sublists and defaults to `cdr'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
880
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
881 for VAR in-ref LIST [by FUNC]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
882 Step VAR over elements of a LIST, like `for ... in', except the VAR is
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
883 bound using `symbol-macrolet' instead of `let'. In essence, VAR is set
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
884 to a \"reference\" to the list element instead of the element itself\;
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
885 this us, you can destructively modify the list using `setf' on VAR, and
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
886 any changes to the list will \"magically\" reflect themselves in
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
887 subsequent uses of VAR.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
888
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
889 for VAR = INIT [then EXPR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
890 Set VAR on each iteration of the loop. If only INIT is given, use it
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
891 on each iteration. Otherwise, use INIT on the first iteration and EXPR
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
892 on subsequent ones.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
893
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
894 for VAR across/across-ref ARRAY
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
895 Step VAR across a sequence other than a list (string, vector, bit
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
896 vector). If `across-ref' is given, VAR is bound using
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
897 `symbol-macrolet' instead of `let' -- see above.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
898
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
899 for VAR being each/the element/elements in/of/in-ref/of-ref SEQUENCE [using (index INDEX-VAR)]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
900 Step VAR across any sequence. A variable can be specified with a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
901 `using' phrase to receive the index, starting at 0. If `in-ref' or
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
902 `of-ref' is given, VAR is bound using `symbol-macrolet' instead of
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
903 `let' -- see above.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
904
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
905 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
906
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
907 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
908 Map VAR over a hash table. The various keywords are synonymous except
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
909 those that distinguish between keys and values. The `using' phrase is
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
910 optional and allows both key and value to be bound.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
911
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
912 for VAR being each/the symbol/present-symbol/external-symbol/symbols/present-symbols/external-symbols in/of OBARRAY
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
913 Map VAR over the symbols in an obarray. All symbol keywords are
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
914 currently synonymous.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
915
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
916 for VAR being each/the extent/extents [in/of BUFFER-OR-STRING] [from POS] [to POS]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
917 Map VAR over the extents in a buffer or string, defaulting to the
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
918 current buffer, the beginning and the end, respectively.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
919
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
920 for VAR being each/the interval/intervals [in/of BUFFER-OR-STRING] [property PROPERTY] [from POS] [to POS]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
921 Map VAR over the intervals without property change in a buffer or
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
922 string, defaulting to the current buffer, the beginning and the end,
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
923 respectively. If PROPERTY is given, iteration occurs using
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
924 `next-single-property-change'\; otherwise, using
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
925 `next-property-change'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
926
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
927 for VAR being each/the window/windows [in/of FRAME]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
928 Step VAR over the windows in FRAME, defaulting to the selected frame.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
929
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
930 for VAR being each/the frame/frames
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
931 Step VAR over all frames.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
932
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
933 for VAR being each/the buffer/buffers [by FUNC]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
934 Step VAR over all buffers. This is actually equivalent to
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
935 `for VAR in (buffer-list) [by FUNC]'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
936
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
937 for VAR being each/the key-code/key-codes/key-seq/key-seqs/key-binding/key-bindings in KEYMAP [using (key-code/key-codes/key-seq/key-seqs/key-binding/key-bindings OTHER-VAR)]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
938 Map VAR over the entries in a keymap. Keyword `key-seq' causes
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
939 recursive mapping over prefix keymaps occurring in the keymap, with VAR
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
940 getting the built-up sequence (a vector). Otherwise, mapping does not
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
941 occur recursively. `key-code' and `key-seq' refer to what is bound
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
942 (second argument of `define-key'), and `key-binding' what it's bound to
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
943 (third argument of `define-key').
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
944
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
945 as VAR ...
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
946 `as' is a synonym for `for'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
947
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
948 and VAR ...
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
949 `and' clauses have the same syntax as `for' clauses except that the
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
950 variables in the clause are bound in parallel with a preceding
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
951 `and'/`for' clause instead of in series.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
952
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
953 with VAR = INIT
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
954 Set VAR to INIT once, before doing any iterations.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
955
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
956 repeat NUM
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
957 Exit the loop if more than NUM iterations have occurred.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
958
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
959 while COND
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
960 Exit the loop if COND isn't true.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
961
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
962 until COND
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
963 Exit the loop if COND is true.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
964
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
965 collect EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
966 Push EXPR onto the end of a list of values -- stored either in VAR or a
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
967 temporary variable that will be returned as the return value of the
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
968 loop if it terminates through an exit condition or a call to
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
969 `loop-finish'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
970
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
971 append EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
972 Append EXPR (a list) onto the end of a list of values, like `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
973
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
974 nconc EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
975 Nconc EXPR (a list) onto the end of a list of values, like `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
976
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
977 concat EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
978 Concatenate EXPR (a string) onto the end of a string of values, like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
979 `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
980
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
981 vconcat EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
982 Concatenate EXPR (a vector) onto the end of a vector of values, like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
983 `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
984
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
985 bvconcat EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
986 Concatenate EXPR (a bit vector) onto the end of a bit vector of values,
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
987 like `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
988
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
989 sum EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
990 Add EXPR to a value, like `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
991
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
992 count EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
993 If EXPR is true, increment a value by 1, like `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
994
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
995 maximize EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
996 IF EXPR is greater than a value, replace the value with EXPR, like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
997 `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
998
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
999 minimize EXPR [into VAR]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1000 IF EXPR is less than a value, replace the value with EXPR, like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1001 `collect'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1002
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1003 always COND
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1004 If COND is true, continue the loop and set the loop return value (the
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1005 same value that's manipulated by `collect' and friends and is returned
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1006 by a normal loop exit or an exit using `loop-finish') to t\; otherwise,
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1007 exit the loop and return nil. The effect is to determine and return
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1008 whether a condition is true \"always\" (all iterations of the loop).
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1009
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1010 never COND
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1011 If COND is false, continue the loop and set the loop return value (like
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1012 `always') to t\; otherwise, exit the loop and return nil. The effect
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1013 is to determine and return whether a condition is \"never\" true (all
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1014 iterations of the loop).
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1015
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1016 thereis COND
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1017 If COND is true, exit the loop and return COND.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1018
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1019 if/when COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1020 If COND is true, execute the directly following clause(s)\; otherwise,
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1021 execute the clauses following `else'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1022
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1023 unless COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...]
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1024 If COND is false, execute the directly following clause(s)\; otherwise, execute the clauses following `else'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1025
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1026 do EXPRS...
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1027 Execute the expressions (any Lisp forms).
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1028
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1029 initially EXPRS...
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1030 Execute EXPR once, before doing any iterations, and after values have
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1031 been set using `with'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1032
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1033 finally EXPRS...
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1034 Execute EXPR once, directly before the loop terminates. This will not
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1035 be executed if the loop terminates prematurely as a result of `always',
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1036 `never', `thereis', or `return'.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1037
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1038 return EXPR
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1039 Exit from the loop and return EXPR.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1040
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1041 finally return EXPR
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1042 Specify the value to be returned when the loop exits. (Unlike `return',
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1043 this doesn't cause the loop to immediately exit\; it will exit whenever
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1044 it normally would have.) This takes precedence over a return value
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1045 specified with `collect' and friends or `always' and friends.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1046
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1047 named NAME
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1048 Specify the name for block surrounding the loop, in place of nil.
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1049 (See `block'.)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1050 "
5367
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
1051 (if (notany #'symbolp (set-difference clauses '(nil t)))
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1052 (list 'block nil (list* 'while t clauses))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1053 (let ((loop-name nil) (loop-bindings nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1054 (loop-body nil) (loop-steps nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1055 (loop-result nil) (loop-result-explicit nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1056 (loop-result-var nil) (loop-finish-flag nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1057 (loop-accum-var nil) (loop-accum-vars nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1058 (loop-initially nil) (loop-finally nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1059 (loop-map-form nil) (loop-first-flag nil)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1060 (loop-destr-temps nil) (loop-symbol-macs nil)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1061 (args (append clauses '(cl-end-loop))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1062 (while (not (eq (car args) 'cl-end-loop)) (cl-parse-loop-clause))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1063 (if loop-finish-flag
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1064 (push (list (list loop-finish-flag t)) loop-bindings))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1065 (if loop-first-flag
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1066 (progn (push (list (list loop-first-flag t)) loop-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1067 (push (list 'setq loop-first-flag nil) loop-steps)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1068 (let* ((epilogue (nconc (nreverse loop-finally)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1069 (list (or loop-result-explicit loop-result))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1070 (ands (cl-loop-build-ands (nreverse loop-body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1071 (while-body (nconc (cadr ands) (nreverse loop-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1072 (body (append
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1073 (nreverse loop-initially)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1074 (list (if loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1075 (list 'block '--cl-finish--
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1076 (subst
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1077 (if (eq (car ands) t) while-body
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1078 (cons (list 'or (car ands)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1079 '(return-from --cl-finish--
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1080 nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1081 while-body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1082 '--cl-map loop-map-form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1083 (list* 'while (car ands) while-body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1084 (if loop-finish-flag
1346
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1085 (if (equal epilogue '(nil))
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1086 ;; XEmacs change: When epilogue is nil and
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1087 ;; loop-finish-flag exists, you get a byte-compiler
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1088 ;; warning using the original (commented-out)
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1089 ;; code below. So instead we create a form that
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1090 ;; gives the same result but uses loop-finish-flag.
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1091 ;; --ben
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1092 ;(list loop-result-var)
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1093 (list (list 'if loop-finish-flag
01c57eb70ae9 [xemacs-hg @ 2003-03-09 02:27:27 by ben]
ben
parents: 1123
diff changeset
1094 loop-result-var loop-result-var))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1095 (list (list 'if loop-finish-flag
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1096 (cons 'progn epilogue) loop-result-var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1097 epilogue))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1098 (if loop-result-var (push (list loop-result-var) loop-bindings))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1099 (while loop-bindings
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1100 (if (cdar loop-bindings)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1101 (setq body (list (cl-loop-let (pop loop-bindings) body t)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1102 (let ((lets nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1103 (while (and loop-bindings
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1104 (not (cdar loop-bindings)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1105 (push (car (pop loop-bindings)) lets))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1106 (setq body (list (cl-loop-let lets body nil))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1107 (if loop-symbol-macs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1108 (setq body (list (list* 'symbol-macrolet loop-symbol-macs body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1109 (list* 'block loop-name body)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1110
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1111 (defun cl-parse-loop-clause () ; uses args, loop-*
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1112 (let ((word (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1113 (hash-types '(hash-key hash-keys hash-value hash-values))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1114 (key-types '(key-code key-codes key-seq key-seqs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1115 key-binding key-bindings)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1116 (cond
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1117
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1118 ((null args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1119 (error "Malformed `loop' macro"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1120
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1121 ((eq word 'named)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1122 (setq loop-name (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1123
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1124 ((eq word 'initially)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1125 (if (memq (car args) '(do doing)) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1126 (or (consp (car args)) (error "Syntax error on `initially' clause"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1127 (while (consp (car args))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1128 (push (pop args) loop-initially)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1129
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1130 ((eq word 'finally)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1131 (if (eq (car args) 'return)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1132 (setq loop-result-explicit (or (cl-pop2 args) '(quote nil)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1133 (if (memq (car args) '(do doing)) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1134 (or (consp (car args)) (error "Syntax error on `finally' clause"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1135 (if (and (eq (caar args) 'return) (null loop-name))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1136 (setq loop-result-explicit (or (nth 1 (pop args)) '(quote nil)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1137 (while (consp (car args))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1138 (push (pop args) loop-finally)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1139
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1140 ((memq word '(for as))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1141 (let ((loop-for-bindings nil) (loop-for-sets nil) (loop-for-steps nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1142 (ands nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1143 (while
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1144 (let ((var (or (pop args) (gensym))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1145 (setq word (pop args))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1146 (if (eq word 'being) (setq word (pop args)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1147 (if (memq word '(the each)) (setq word (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1148 (if (memq word '(buffer buffers))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1149 (setq word 'in args (cons '(buffer-list) args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1150 (cond
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1151
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1152 ((memq word '(from downfrom upfrom to downto upto
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1153 above below by))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1154 (push word args)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1155 (if (memq (car args) '(downto above))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1156 (error "Must specify `from' value for downward loop"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1157 (let* ((down (or (eq (car args) 'downfrom)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1158 (memq (caddr args) '(downto above))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1159 (excl (or (memq (car args) '(above below))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1160 (memq (caddr args) '(above below))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1161 (start (and (memq (car args) '(from upfrom downfrom))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1162 (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1163 (end (and (memq (car args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1164 '(to upto downto above below))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1165 (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1166 (step (and (eq (car args) 'by) (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1167 (end-var (and (not (cl-const-expr-p end)) (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1168 (step-var (and (not (cl-const-expr-p step))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1169 (gensym))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1170 (and step (numberp step) (<= step 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1171 (error "Loop `by' value is not positive: %s" step))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1172 (push (list var (or start 0)) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1173 (if end-var (push (list end-var end) loop-for-bindings))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1174 (if step-var (push (list step-var step)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1175 loop-for-bindings))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1176 (if end
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1177 (push (list
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1178 (if down (if excl '> '>=) (if excl '< '<=))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1179 var (or end-var end)) loop-body))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1180 (push (list var (list (if down '- '+) var
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1181 (or step-var step 1)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1182 loop-for-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1183
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1184 ((memq word '(in in-ref on))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1185 (let* ((on (eq word 'on))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1186 (temp (if (and on (symbolp var)) var (gensym))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1187 (push (list temp (pop args)) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1188 (push (list 'consp temp) loop-body)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1189 (if (eq word 'in-ref)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1190 (push (list var (list 'car temp)) loop-symbol-macs)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1191 (or (eq temp var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1192 (progn
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1193 (push (list var nil) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1194 (push (list var (if on temp (list 'car temp)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1195 loop-for-sets))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1196 (push (list temp
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1197 (if (eq (car args) 'by)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1198 (let ((step (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1199 (if (and (memq (car-safe step)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1200 '(quote function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1201 function*))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1202 (symbolp (nth 1 step)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1203 (list (nth 1 step) temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1204 (list 'funcall step temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1205 (list 'cdr temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1206 loop-for-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1207
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1208 ((eq word '=)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1209 (let* ((start (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1210 (then (if (eq (car args) 'then) (cl-pop2 args) start)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1211 (push (list var nil) loop-for-bindings)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1212 (if (or ands (eq (car args) 'and))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1213 (progn
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1214 (push (list var
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1215 (list 'if
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1216 (or loop-first-flag
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1217 (setq loop-first-flag
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1218 (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1219 start var))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1220 loop-for-sets)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1221 (push (list var then) loop-for-steps))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1222 (push (list var
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1223 (if (eq start then) start
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1224 (list 'if
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1225 (or loop-first-flag
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1226 (setq loop-first-flag (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1227 start then)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1228 loop-for-sets))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1229
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1230 ((memq word '(across across-ref))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1231 (let ((temp-vec (gensym)) (temp-idx (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1232 (push (list temp-vec (pop args)) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1233 (push (list temp-idx -1) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1234 (push (list '< (list 'setq temp-idx (list '1+ temp-idx))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1235 (list 'length temp-vec)) loop-body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1236 (if (eq word 'across-ref)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1237 (push (list var (list 'aref temp-vec temp-idx))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1238 loop-symbol-macs)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1239 (push (list var nil) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1240 (push (list var (list 'aref temp-vec temp-idx))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1241 loop-for-sets))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1242
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1243 ((memq word '(element elements))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1244 (let ((ref (or (memq (car args) '(in-ref of-ref))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1245 (and (not (memq (car args) '(in of)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1246 (error "Expected `of'"))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1247 (seq (cl-pop2 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1248 (temp-seq (gensym))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1249 (temp-idx (if (eq (car args) 'using)
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
1250 (if (and (eql (length (cadr args)) 2)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1251 (eq (caadr args) 'index))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1252 (cadr (cl-pop2 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1253 (error "Bad `using' clause"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1254 (gensym))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1255 (push (list temp-seq seq) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1256 (push (list temp-idx 0) loop-for-bindings)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1257 (if ref
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1258 (let ((temp-len (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1259 (push (list temp-len (list 'length temp-seq))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1260 loop-for-bindings)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1261 (push (list var (list 'elt temp-seq temp-idx))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1262 loop-symbol-macs)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1263 (push (list '< temp-idx temp-len) loop-body))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1264 (push (list var nil) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1265 (push (list 'and temp-seq
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1266 (list 'or (list 'consp temp-seq)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1267 (list '< temp-idx
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1268 (list 'length temp-seq))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1269 loop-body)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1270 (push (list var (list 'if (list 'consp temp-seq)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1271 (list 'pop temp-seq)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1272 (list 'aref temp-seq temp-idx)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1273 loop-for-sets))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1274 (push (list temp-idx (list '1+ temp-idx))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1275 loop-for-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1276
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1277 ((memq word hash-types)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1278 (or (memq (car args) '(in of)) (error "Expected `of'"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1279 (let* ((table (cl-pop2 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1280 (other (if (eq (car args) 'using)
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
1281 (if (and (eql (length (cadr args)) 2)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1282 (memq (caadr args) hash-types)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1283 (not (eq (caadr args) word)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1284 (cadr (cl-pop2 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1285 (error "Bad `using' clause"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1286 (gensym))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1287 (if (memq word '(hash-value hash-values))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1288 (setq var (prog1 other (setq other var))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1289 (setq loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1290 (list 'maphash (list 'function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1291 (list* 'lambda (list var other)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1292 '--cl-map)) table))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1293
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1294 ((memq word '(symbol present-symbol external-symbol
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1295 symbols present-symbols external-symbols))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1296 (let ((ob (and (memq (car args) '(in of)) (cl-pop2 args))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1297 (setq loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1298 (list 'mapatoms (list 'function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1299 (list* 'lambda (list var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1300 '--cl-map)) ob))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1301
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1302 ((memq word '(overlay overlays extent extents))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1303 (let ((buf nil) (from nil) (to nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1304 (while (memq (car args) '(in of from to))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1305 (cond ((eq (car args) 'from) (setq from (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1306 ((eq (car args) 'to) (setq to (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1307 (t (setq buf (cl-pop2 args)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1308 (setq loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1309 (list 'cl-map-extents
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1310 (list 'function (list 'lambda (list var (gensym))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1311 '(progn . --cl-map) nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1312 buf from to))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1313
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1314 ((memq word '(interval intervals))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1315 (let ((buf nil) (prop nil) (from nil) (to nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1316 (var1 (gensym)) (var2 (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1317 (while (memq (car args) '(in of property from to))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1318 (cond ((eq (car args) 'from) (setq from (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1319 ((eq (car args) 'to) (setq to (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1320 ((eq (car args) 'property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1321 (setq prop (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1322 (t (setq buf (cl-pop2 args)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1323 (if (and (consp var) (symbolp (car var)) (symbolp (cdr var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1324 (setq var1 (car var) var2 (cdr var))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1325 (push (list var (list 'cons var1 var2)) loop-for-sets))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1326 (setq loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1327 (list 'cl-map-intervals
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1328 (list 'function (list 'lambda (list var1 var2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1329 '(progn . --cl-map)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1330 buf prop from to))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1331
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1332 ((memq word key-types)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1333 (or (memq (car args) '(in of)) (error "Expected `of'"))
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1334 (let* ((map (cl-pop2 args))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1335 other-word
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1336 (other (if (eq (car args) 'using)
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
1337 (if (and (eql (length (cadr args)) 2)
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1338 (memq (setq other-word (caadr args))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1339 key-types)
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1340 (not (eq (caadr args) word)))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1341 (cadr (cl-pop2 args))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1342 (error "Bad `using' clause"))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1343 (gensym))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1344 ;; XEmacs addition: track other-word
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1345 (when (memq word '(key-binding key-bindings))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1346 (setq var (prog1 other (setq other var)))
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1347 (and other-word (setq word other-word)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1348 (setq loop-map-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1349 (list (if (memq word '(key-seq key-seqs))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1350 'cl-map-keymap-recursively 'map-keymap)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1351 (list 'function (list* 'lambda (list var other)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1352 '--cl-map)) map))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1353
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1354 ((memq word '(frame frames screen screens))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1355 (let ((temp (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1356 (push (list var '(selected-frame))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1357 loop-for-bindings)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1358 (push (list temp nil) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1359 (push (list 'prog1 (list 'not (list 'eq var temp))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1360 (list 'or temp (list 'setq temp var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1361 loop-body)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1362 (push (list var (list 'next-frame var))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1363 loop-for-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1364
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1365 ((memq word '(window windows))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1366 (let ((scr (and (memq (car args) '(in of)) (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1367 (temp (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1368 (push (list var (if scr
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1369 (list 'frame-selected-window scr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1370 '(selected-window)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1371 loop-for-bindings)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1372 (push (list temp nil) loop-for-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1373 (push (list 'prog1 (list 'not (list 'eq var temp))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1374 (list 'or temp (list 'setq temp var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1375 loop-body)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1376 (push (list var (list 'next-window var)) loop-for-steps)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1377
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1378 (t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1379 (let ((handler (and (symbolp word)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1380 (get word 'cl-loop-for-handler))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1381 (if handler
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1382 (funcall handler var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1383 (error "Expected a `for' preposition, found %s" word)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1384 (eq (car args) 'and))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1385 (setq ands t)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1386 (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1387 (if (and ands loop-for-bindings)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1388 (push (nreverse loop-for-bindings) loop-bindings)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1389 (setq loop-bindings (nconc (mapcar 'list loop-for-bindings)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1390 loop-bindings)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1391 (if loop-for-sets
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1392 (push (list 'progn
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1393 (cl-loop-let (nreverse loop-for-sets) 'setq ands)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1394 t) loop-body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1395 (if loop-for-steps
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1396 (push (cons (if ands 'psetq 'setq)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1397 (apply 'append (nreverse loop-for-steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1398 loop-steps))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1399
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1400 ((eq word 'repeat)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1401 (let ((temp (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1402 (push (list (list temp (pop args))) loop-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1403 (push (list '>= (list 'setq temp (list '1- temp)) 0) loop-body)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1404
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1405 ((memq word '(collect collecting))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1406 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1407 (var (cl-loop-handle-accum nil 'nreverse)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1408 (if (eq var loop-accum-var)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1409 (push (list 'progn (list 'push what var) t) loop-body)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1410 (push (list 'progn
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1411 (list 'setq var (list 'nconc var (list 'list what)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1412 t) loop-body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1413
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1414 ((memq word '(nconc nconcing append appending))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1415 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1416 (var (cl-loop-handle-accum nil 'nreverse)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1417 (push (list 'progn
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1418 (list 'setq var
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1419 (if (eq var loop-accum-var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1420 (list 'nconc
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1421 (list (if (memq word '(nconc nconcing))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1422 'nreverse 'reverse)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1423 what)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1424 var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1425 (list (if (memq word '(nconc nconcing))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1426 'nconc 'append)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1427 var what))) t) loop-body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1429 ((memq word '(concat concating))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1430 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1431 (var (cl-loop-handle-accum "")))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1432 (push (list 'progn (list 'callf 'concat var what) t) loop-body)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1433
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1434 ((memq word '(vconcat vconcating))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1435 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1436 (var (cl-loop-handle-accum [])))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1437 (push (list 'progn (list 'callf 'vconcat var what) t) loop-body)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1438
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1439 ;; XEmacs addition: handle bit-vectors
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1440 ((memq word '(bvconcat bvconcating))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1441 (let ((what (pop args))
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1442 (var (cl-loop-handle-accum #*)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1443 (push (list 'progn (list 'callf 'bvconcat var what) t) loop-body)))
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 613
diff changeset
1444
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1445 ((memq word '(sum summing))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1446 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1447 (var (cl-loop-handle-accum 0)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1448 (push (list 'progn (list 'incf var what) t) loop-body)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1449
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1450 ((memq word '(count counting))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1451 (let ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1452 (var (cl-loop-handle-accum 0)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1453 (push (list 'progn (list 'if what (list 'incf var)) t) loop-body)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1454
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1455 ((memq word '(minimize minimizing maximize maximizing))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1456 (let* ((what (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1457 (temp (if (cl-simple-expr-p what) what (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1458 (var (cl-loop-handle-accum nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1459 (func (intern (substring (symbol-name word) 0 3)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1460 (set (list 'setq var (list 'if var (list func var temp) temp))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1461 (push (list 'progn (if (eq temp what) set
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1462 (list 'let (list (list temp what)) set))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1463 t) loop-body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1464
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1465 ((eq word 'with)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1466 (let ((bindings nil))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1467 (while (progn (push (list (pop args)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1468 (and (eq (car args) '=) (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1469 bindings)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1470 (eq (car args) 'and))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1471 (pop args))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1472 (push (nreverse bindings) loop-bindings)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1473
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1474 ((eq word 'while)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1475 (push (pop args) loop-body))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1476
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1477 ((eq word 'until)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1478 (push (list 'not (pop args)) loop-body))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1479
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1480 ((eq word 'always)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1481 (or loop-finish-flag (setq loop-finish-flag (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1482 (push (list 'setq loop-finish-flag (pop args)) loop-body)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1483 (setq loop-result t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1484
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1485 ((eq word 'never)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1486 (or loop-finish-flag (setq loop-finish-flag (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1487 (push (list 'setq loop-finish-flag (list 'not (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1488 loop-body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1489 (setq loop-result t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1490
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1491 ((eq word 'thereis)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1492 (or loop-finish-flag (setq loop-finish-flag (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1493 (or loop-result-var (setq loop-result-var (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1494 (push (list 'setq loop-finish-flag
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1495 (list 'not (list 'setq loop-result-var (pop args))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1496 loop-body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1497
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1498 ((memq word '(if when unless))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1499 (let* ((cond (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1500 (then (let ((loop-body nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1501 (cl-parse-loop-clause)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1502 (cl-loop-build-ands (nreverse loop-body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1503 (else (let ((loop-body nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1504 (if (eq (car args) 'else)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1505 (progn (pop args) (cl-parse-loop-clause)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1506 (cl-loop-build-ands (nreverse loop-body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1507 (simple (and (eq (car then) t) (eq (car else) t))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1508 (if (eq (car args) 'end) (pop args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1509 (if (eq word 'unless) (setq then (prog1 else (setq else then))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1510 (let ((form (cons (if simple (cons 'progn (nth 1 then)) (nth 2 then))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1511 (if simple (nth 1 else) (list (nth 2 else))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1512 (if (cl-expr-contains form 'it)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1513 (let ((temp (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1514 (push (list temp) loop-bindings)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1515 (setq form (list* 'if (list 'setq temp cond)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1516 (subst temp 'it form))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1517 (setq form (list* 'if cond form)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1518 (push (if simple (list 'progn form t) form) loop-body))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1519
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1520 ((memq word '(do doing))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1521 (let ((body nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1522 (or (consp (car args)) (error "Syntax error on `do' clause"))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1523 (while (consp (car args)) (push (pop args) body))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1524 (push (cons 'progn (nreverse (cons t body))) loop-body)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1525
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1526 ((eq word 'return)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1527 (or loop-finish-flag (setq loop-finish-flag (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1528 (or loop-result-var (setq loop-result-var (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1529 (push (list 'setq loop-result-var (pop args)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1530 loop-finish-flag nil) loop-body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1531
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1532 (t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1533 (let ((handler (and (symbolp word) (get word 'cl-loop-handler))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1534 (or handler (error "Expected a loop keyword, found %s" word))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1535 (funcall handler))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1536 (if (eq (car args) 'and)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1537 (progn (pop args) (cl-parse-loop-clause)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1538
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1539 (defun cl-loop-let (specs body par) ; uses loop-*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1540 (let ((p specs) (temps nil) (new nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1541 (while (and p (or (symbolp (car-safe (car p))) (null (cadar p))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1542 (setq p (cdr p)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1543 (and par p
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1544 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1545 (setq par nil p specs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1546 (while p
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1547 (or (cl-const-expr-p (cadar p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1548 (let ((temp (gensym)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1549 (push (list temp (cadar p)) temps)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1550 (setcar (cdar p) temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1551 (setq p (cdr p)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1552 (while specs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1553 (if (and (consp (car specs)) (listp (caar specs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1554 (let* ((spec (caar specs)) (nspecs nil)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1555 (expr (cadr (pop specs)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1556 (temp (cdr (or (assq spec loop-destr-temps)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1557 (car (push (cons spec (or (last spec 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1558 (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1559 loop-destr-temps))))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1560 (push (list temp expr) new)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1561 (while (consp spec)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1562 (push (list (pop spec)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1563 (and expr (list (if spec 'pop 'car) temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1564 nspecs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1565 (setq specs (nconc (nreverse nspecs) specs)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1566 (push (pop specs) new)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1567 (if (eq body 'setq)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1568 (let ((set (cons (if par 'psetq 'setq) (apply 'nconc (nreverse new)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1569 (if temps (list 'let* (nreverse temps) set) set))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1570 (list* (if par 'let 'let*)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1571 (nconc (nreverse temps) (nreverse new)) body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1572
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1573 (defun cl-loop-handle-accum (def &optional func) ; uses args, loop-*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1574 (if (eq (car args) 'into)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1575 (let ((var (cl-pop2 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1576 (or (memq var loop-accum-vars)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1577 (progn (push (list (list var def)) loop-bindings)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1578 (push var loop-accum-vars)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1579 var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1580 (or loop-accum-var
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1581 (progn
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1582 (push (list (list (setq loop-accum-var (gensym)) def))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1583 loop-bindings)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1584 (setq loop-result (if func (list func loop-accum-var)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1585 loop-accum-var))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1586 loop-accum-var))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1587
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1588 (defun cl-loop-build-ands (clauses)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1589 (let ((ands nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1590 (body nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1591 (while clauses
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1592 (if (and (eq (car-safe (car clauses)) 'progn)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1593 (eq (car (last (car clauses))) t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1594 (if (cdr clauses)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1595 (setq clauses (cons (nconc (butlast (car clauses))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1596 (if (eq (car-safe (cadr clauses))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1597 'progn)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1598 (cdadr clauses)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1599 (list (cadr clauses))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1600 (cddr clauses)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1601 (setq body (cdr (butlast (pop clauses)))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1602 (push (pop clauses) ands)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1603 (setq ands (or (nreverse ands) (list t)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1604 (list (if (cdr ands) (cons 'and ands) (car ands))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1605 body
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1606 (let ((full (if body
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1607 (append ands (list (cons 'progn (append body '(t)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1608 ands)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1609 (if (cdr full) (cons 'and full) (car full))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1610
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1611
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1612 ;;; Other iteration control structures.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1613
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1614 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1615 (defmacro do (steps endtest &rest body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1616 "The Common Lisp `do' loop.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1617 Format is: (do ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1618 (cl-expand-do-loop steps endtest body nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1619
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1620 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1621 (defmacro do* (steps endtest &rest body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1622 "The Common Lisp `do*' loop.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1623 Format is: (do* ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1624 (cl-expand-do-loop steps endtest body t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1625
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1626 (defun cl-expand-do-loop (steps endtest body star)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1627 (list 'block nil
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1628 (list* (if star 'let* 'let)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1629 (mapcar #'(lambda (c) (if (consp c) (list (car c) (nth 1 c)) c))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1630 steps)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1631 (list* 'while (list 'not (car endtest))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1632 (append body
5367
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
1633 (let ((sets (mapcan
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1634 #'(lambda (c)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1635 (and (consp c) (cdr (cdr c))
5367
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
1636 (list
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
1637 (list (car c) (nth 2 c)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1638 steps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1639 (and sets
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1640 (list (cons (if (or star (not (cdr sets)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1641 'setq 'psetq)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1642 (apply 'append sets)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1643 (or (cdr endtest) '(nil)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1644
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1645 ;;;###autoload
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1646 (defmacro* dolist ((var list &optional result) &body body)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1647 "Loop over a list.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1648 Evaluate BODY with VAR bound to each `car' from LIST, in turn.
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1649 Then evaluate RESULT to get return value, default nil."
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1650 (let ((gensym (gensym)))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1651 `(block nil
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1652 (let ((,gensym ,list) ,var)
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1653 (while ,gensym
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1654 (setq ,var (car ,gensym))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1655 ,@body
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1656 (setq ,gensym (cdr ,gensym)))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1657 ,@(if result `((setq ,var nil) ,result))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1658
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1659 ;;;###autoload
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1660 (defmacro* dotimes ((var count &optional result) &body body)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1661 "Loop a certain number of times.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1662 Evaluate BODY with VAR bound to successive integers from 0, inclusive,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1663 to COUNT, exclusive. Then evaluate RESULT to get return value, default
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1664 nil."
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1665 (let* ((limit (if (cl-const-expr-p count) count (gensym)))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1666 (bind (if (cl-const-expr-p count) nil `((,limit ,count)))))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1667 `(block nil
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1668 (let ((,var 0) ,@bind)
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1669 (while (< ,var ,limit)
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1670 ,@body
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1671 (setq ,var (1+ ,var)))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1672 ,@(if result (list result))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1673
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1674 ;;;###autoload
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1675 (defmacro* do-symbols ((var &optional obarray result) &rest body)
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1676 "Loop over all interned symbols.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1677 Evaluate BODY with VAR bound to each interned symbol, or to each symbol
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1678 from OBARRAY."
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1679 `(block nil
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1680 (mapatoms #'(lambda (,var) ,@body) ,@(and obarray (list obarray)))
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1681 ,@(if result `((let (,var) ,result)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1682
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1683 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1684 (defmacro do-all-symbols (spec &rest body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1685 (list* 'do-symbols (list (car spec) nil (cadr spec)) body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1686
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1687
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1688 ;;; Assignments.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1689
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1690 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1691 (defmacro psetq (&rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1692 "(psetq SYM VAL SYM VAL ...): set SYMs to the values VALs in parallel.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1693 This is like `setq', except that all VAL forms are evaluated (in order)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1694 before assigning any symbols SYM to the corresponding values."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1695 (cons 'psetf args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1696
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1697
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1698 ;;; Binding control structures.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1699
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1700 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1701 (defmacro progv (symbols values &rest body)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
1702 "Bind SYMBOLS to VALUES dynamically in BODY.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1703 The forms SYMBOLS and VALUES are evaluated, and must evaluate to lists.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1704 Each SYMBOL in the first list is bound to the corresponding VALUE in the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1705 second list (or made unbound if VALUES is shorter than SYMBOLS); then the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1706 BODY forms are executed and their result is returned. This is much like
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1707 a `let' form, except that the list of symbols can be computed at run-time."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1708 (list 'let '((cl-progv-save nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1709 (list 'unwind-protect
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1710 (list* 'progn (list 'cl-progv-before symbols values) body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1711 '(cl-progv-after))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1712
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1713 ;;;###autoload
5511
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1714 (defmacro* macrolet ((&rest macros) &body form)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1715 "Make temporary macro definitions.
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1716 This is like `flet', but for macros instead of functions."
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1717 (cl-macroexpand-all (cons 'progn form)
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1718 (nconc
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1719 (loop
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1720 for (name . details)
5511
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1721 in macros
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1722 collect
5509
9ac0016d8fe8 Remove `bind-inits', cl-macs.el, it's no longer used.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5501
diff changeset
1723 (list* name 'lambda (cdr (cl-transform-lambda details
9ac0016d8fe8 Remove `bind-inits', cl-macs.el, it's no longer used.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5501
diff changeset
1724 name))))
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
1725 byte-compile-macro-environment)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1726
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1727 ;;;###autoload
5511
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1728 (defmacro* symbol-macrolet ((&rest symbol-macros) &body form)
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1729 "Make temporary symbol macro definitions.
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1730 Elements in SYMBOL-MACROS look like (NAME EXPANSION).
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1731 Within the body FORMs, a reference to NAME is replaced with its EXPANSION,
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1732 and (setq NAME ...) acts like (setf EXPANSION ...)."
5326
60ba780f9078 Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5317
diff changeset
1733 (cl-macroexpand-all (cons 'progn form)
5511
7b5254f6e0d5 Fix CL compliance of [symbol-]macrolet.
Didier Verna <didier@xemacs.org>
parents: 5509
diff changeset
1734 (nconc (loop
5462
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1735 for (name expansion) in symbol-macros
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1736 do (check-type name symbol)
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1737 collect (list (eq-hash name) expansion))
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
1738 byte-compile-macro-environment)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1739
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1740 (defvar cl-closure-vars nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1741 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1742 (defmacro lexical-let (bindings &rest body)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
1743 "Like `let', but lexically scoped.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1744 The main visible difference is that lambdas inside BODY will create
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1745 lexical closures as in Common Lisp."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1746 (let* ((cl-closure-vars cl-closure-vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1747 (vars (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1748 (or (consp x) (setq x (list x)))
5462
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1749 (push (gensym (concat "--" (symbol-name (car x))
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1750 "--" ))
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1751 cl-closure-vars)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1752 (set (car cl-closure-vars) [bad-lexical-ref])
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1753 (list (car x) (cadr x) (car cl-closure-vars)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1754 bindings))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1755 (ebody
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1756 (cl-macroexpand-all
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1757 (cons 'progn body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1758 (nconc (mapcar #'(lambda (x)
5462
97ac18bd1fa3 Make sure distinct symbol macros with identical names expand distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5391
diff changeset
1759 (list (eq-hash (car x))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1760 (list 'symbol-value (caddr x))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1761 t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1762 vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1763 (list '(defun . cl-defun-expander))
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
1764 byte-compile-macro-environment))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1765 (if (not (get (car (last cl-closure-vars)) 'used))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1766 (list 'let (mapcar #'(lambda (x) (list (caddr x) (cadr x))) vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1767 (sublis (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1768 (cons (caddr x) (list 'quote (caddr x))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1769 vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1770 ebody))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1771 (list 'let (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1772 (list (caddr x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1773 (list 'make-symbol
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1774 (format "--%s--" (car x)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1775 vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1776 (apply 'append '(setf)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1777 (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1778 (list (list 'symbol-value (caddr x)) (cadr x)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1779 vars))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1780 ebody))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1781
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1782 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1783 (defmacro lexical-let* (bindings &rest body)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
1784 "Like `let*', but lexically scoped.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1785 The main visible difference is that lambdas inside BODY will create
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1786 lexical closures as in Common Lisp."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1787 (if (null bindings) (cons 'progn body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1788 (setq bindings (reverse bindings))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1789 (while bindings
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1790 (setq body (list (list* 'lexical-let (list (pop bindings)) body))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1791 (car body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1792
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1793 (defun cl-defun-expander (func &rest rest)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1794 (list 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1795 (list 'defalias (list 'quote func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1796 (list 'function (cons 'lambda rest)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1797 (list 'quote func)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1798
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1799 ;;; Multiple values. We support full Common Lisp conventions here.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1800
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1801 ;;;###autoload
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1802 (defmacro multiple-value-bind (syms form &rest body)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1803 "Collect and bind multiple return values.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1804
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1805 If FORM returns multiple values, each symbol in SYMS is bound to one of
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1806 them, in order, and BODY is executed. If FORM returns fewer multiple values
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1807 than there are SYMS, remaining SYMS are bound to nil. If FORM does
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1808 not return multiple values, it is treated as returning one multiple value.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1809
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1810 Returns the value given by the last element of BODY."
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1811 (if (null syms)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1812 `(progn ,form ,@body)
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
1813 (if (eql 1 (length syms))
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1814 ;; Code written to deal with other "implementations" of multiple
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1815 ;; values may have a one-element SYMS.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1816 `(let ((,(car syms) ,form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1817 ,@body)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1818 (let ((temp (gensym)))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1819 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1820 ,@(loop
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1821 for var in syms
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1822 collect `(,var (prog1 (car ,temp)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1823 (setq ,temp (cdr ,temp))))))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1824 ,@body)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1825
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1826 ;;;###autoload
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1827 (defmacro multiple-value-setq (syms form)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1828 "Collect and set multiple values.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1829
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1830 FORM should normally return multiple values; the first N values are stored
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1831 in the symbols in SYMS in turn. If FORM returns fewer than N values, the
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1832 remaining symbols have their values set to nil. FORM not returning multiple
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1833 values is treated as FORM returning one multiple value, with other elements
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1834 of SYMS initialized to nil.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1835
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1836 Returns the first of the multiple values given by FORM."
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1837 (if (null syms)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1838 ;; Never return multiple values from multiple-value-setq:
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1839 (and form `(values ,form))
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
1840 (if (eql 1 (length syms))
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1841 `(setq ,(car syms) ,form)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1842 (let ((temp (gensym)))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1843 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form)))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1844 (setq ,@(loop
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1845 for sym in syms
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1846 nconc `(,sym (car-safe ,temp)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1847 ,temp (cdr-safe ,temp))))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1848 ,(car syms))))))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1849
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1850 ;;;###autoload
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1851 (defmacro multiple-value-list (form)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1852 "Evaluate FORM and return a list of the multiple values it returned."
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1853 `(multiple-value-list-internal 0 multiple-values-limit ,form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1854
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1855 ;;;###autoload
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1856 (defmacro nth-value (n form)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1857 "Evaluate FORM and return the Nth multiple value it returned."
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1858 (if (integerp n)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1859 `(car (multiple-value-list-internal ,n ,(1+ n) ,form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1860 (let ((temp (gensym)))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1861 `(let ((,temp ,n))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
1862 (car (multiple-value-list-internal ,temp (1+ ,temp) ,form))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1863
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1864 ;;; Declarations.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1865
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1866 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1867 (defmacro locally (&rest body) (cons 'progn body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1868
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1869 (defvar cl-proclaim-history t) ; for future compilers
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1870 (defvar cl-declare-stack t) ; for future compilers
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1871
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1872 (defun cl-do-proclaim (spec hist)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1873 (and hist (listp cl-proclaim-history) (push spec cl-proclaim-history))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1874 (cond ((eq (car-safe spec) 'special)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1875 (if (boundp 'byte-compile-bound-variables)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1876 (setq byte-compile-bound-variables
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1877 (append
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1878 ;; XEmacs change
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1879 (mapcar #'(lambda (v) (cons v byte-compile-global-bit))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1880 (cdr spec))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1881 byte-compile-bound-variables))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1882
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1883 ((eq (car-safe spec) 'inline)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1884 (while (setq spec (cdr spec))
5574
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1885 (let ((assq (cdr (assq (car spec) byte-compile-macro-environment))))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1886 (if (and (consp assq) (eq (nth 1 (nth 1 assq)) 'cl-labels-args)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1887 (atom (setq assq (nth 2 (nth 2 assq)))))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1888 ;; It's a label, and we're using the labels
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1889 ;; implementation in bytecomp.el. Tell the compiler
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1890 ;; to inline it, don't mark the symbol to be inlined
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1891 ;; globally.
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1892 (setf (getf (aref (compiled-function-constants assq) 0)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1893 'byte-optimizer)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1894 'byte-compile-inline-expand)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1895 (or (memq (get (car spec) 'byte-optimizer)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1896 '(nil byte-compile-inline-expand))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1897 (error
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1898 "%s already has a byte-optimizer, can't make it inline"
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1899 (car spec)))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1900 (put (car spec) 'byte-optimizer 'byte-compile-inline-expand)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1901 ((eq (car-safe spec) 'notinline)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1902 (while (setq spec (cdr spec))
5574
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1903 (let ((assq (cdr (assq (car spec) byte-compile-macro-environment))))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1904 (if (and (consp assq) (eq (nth 1 (nth 1 assq)) 'cl-labels-args)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1905 (atom (setq assq (nth 2 (nth 2 assq)))))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1906 ;; It's a label, and we're using the labels
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1907 ;; implementation in bytecomp.el. Tell the compiler
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1908 ;; not to inline it.
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1909 (if (eq 'byte-compile-inline-expand
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1910 (getf (aref (compiled-function-constants assq) 0)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1911 'byte-optimizer))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1912 (remf (aref (compiled-function-constants assq) 0)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1913 'byte-optimizer))
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1914 (if (eq (get (car spec) 'byte-optimizer)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1915 'byte-compile-inline-expand)
d4f334808463 Support inlining labels, bytecomp.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5570
diff changeset
1916 (put (car spec) 'byte-optimizer nil))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1917 ((eq (car-safe spec) 'optimize)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1918 (let ((speed (assq (nth 1 (assq 'speed (cdr spec)))
446
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parents: 444
diff changeset
1919 '((0 . nil) (1 . t) (2 . t) (3 . t))))
428
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1920 (safety (assq (nth 1 (assq 'safety (cdr spec)))
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parents: 444
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1921 '((0 . t) (1 . t) (2 . t) (3 . nil)))))
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parents: 444
diff changeset
1922 (when speed
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parents: 444
diff changeset
1923 (setq cl-optimize-speed (car speed)
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parents: 444
diff changeset
1924 byte-optimize (cdr speed)))
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parents: 444
diff changeset
1925 (when safety
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parents: 444
diff changeset
1926 (setq cl-optimize-safety (car safety)
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diff changeset
1927 byte-compile-delete-errors (cdr safety)))))
428
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1928
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1929 ((and (eq (car-safe spec) 'warn) (boundp 'byte-compile-warnings))
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1930 (if (eq byte-compile-warnings t)
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parents:
diff changeset
1931 ;; XEmacs change
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1932 (setq byte-compile-warnings byte-compile-default-warnings))
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1933 (while (setq spec (cdr spec))
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1934 (if (consp (car spec))
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1935 (if (eq (cadar spec) 0)
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1936 (setq byte-compile-warnings
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parents:
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1937 (delq (caar spec) byte-compile-warnings))
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1938 (setq byte-compile-warnings
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1939 (adjoin (caar spec) byte-compile-warnings)))))))
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1940 nil)
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1941
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diff changeset
1942 ;;; Process any proclamations made before cl-macs was loaded.
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diff changeset
1943 (defvar cl-proclaims-deferred)
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diff changeset
1944 (let ((p (reverse cl-proclaims-deferred)))
2153
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1945 (while p (cl-do-proclaim (pop p) t))
428
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diff changeset
1946 (setq cl-proclaims-deferred nil))
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diff changeset
1947
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parents:
diff changeset
1948 ;;; Generalized variables.
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1949
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diff changeset
1950 ;;;###autoload
5219
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Aidan Kehoe <kehoea@parhasard.net>
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diff changeset
1951 (defmacro define-setf-method (name arglist &rest body)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1952 "Define a `setf' method.
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1953 This method shows how to handle `setf's to places of the form (NAME ARGLIST...).
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
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diff changeset
1954 The argument forms are bound according to ARGLIST, as if NAME were
428
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diff changeset
1955 going to be expanded as a macro, then the BODY forms are executed and must
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parents:
diff changeset
1956 return a list of five elements: a temporary-variables list, a value-forms
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parents:
diff changeset
1957 list, a store-variables list (of length one), a store-form, and an access-
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parents:
diff changeset
1958 form. See `defsetf' for a simpler way to define most setf-methods."
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parents:
diff changeset
1959 (append '(eval-when (compile load eval))
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cvs
parents:
diff changeset
1960 (if (stringp (car body))
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1961 (list (list 'put (list 'quote name) '(quote setf-documentation)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
1962 (pop body))))
428
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parents:
diff changeset
1963 (list (cl-transform-function-property
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
1964 name 'setf-method (cons arglist body)))))
2153
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parents: 1580
diff changeset
1965 (defalias 'define-setf-expander 'define-setf-method)
428
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parents:
diff changeset
1966
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parents:
diff changeset
1967 ;;;###autoload
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parents:
diff changeset
1968 (defmacro defsetf (func arg1 &rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1969 "(defsetf NAME FUNC): define a `setf' method.
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
1970 This macro is an easy-to-use substitute for `define-setf-method' that works
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1971 well for simple place forms. In the simple `defsetf' form, `setf's of
3ecd8885ac67 Import from CVS: tag r21-2-22
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parents:
diff changeset
1972 the form (setf (NAME ARGS...) VAL) are transformed to function or macro
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1973 calls of the form (FUNC ARGS... VAL). Example: (defsetf aref aset).
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1974 Alternate form: (defsetf NAME ARGLIST (STORE) BODY...).
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cvs
parents:
diff changeset
1975 Here, the above `setf' call is expanded by binding the argument forms ARGS
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1976 according to ARGLIST, binding the value form VAL to STORE, then executing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1977 BODY, which must return a Lisp form that does the necessary `setf' operation.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1978 Actually, ARGLIST and STORE may be bound to temporary variables which are
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1979 introduced automatically to preserve proper execution order of the arguments.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1980 Example: (defsetf nth (n x) (v) (list 'setcar (list 'nthcdr n x) v))."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1981 (if (listp arg1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1982 (let* ((largs nil) (largsr nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1983 (temps nil) (tempsr nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1984 (restarg nil) (rest-temps nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1985 (store-var (car (prog1 (car args) (setq args (cdr args)))))
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cvs
parents:
diff changeset
1986 (store-temp (intern (format "--%s--temp--" store-var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1987 (lets1 nil) (lets2 nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1988 (docstr nil) (p arg1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1989 (if (stringp (car args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1990 (setq docstr (prog1 (car args) (setq args (cdr args)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1991 (while (and p (not (eq (car p) '&aux)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1992 (if (eq (car p) '&rest)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1993 (setq p (cdr p) restarg (car p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1994 (or (memq (car p) '(&optional &key &allow-other-keys))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1995 (setq largs (cons (if (consp (car p)) (car (car p)) (car p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1996 largs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1997 temps (cons (intern (format "--%s--temp--" (car largs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1998 temps))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1999 (setq p (cdr p)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2000 (setq largs (nreverse largs) temps (nreverse temps))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2001 (if restarg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2002 (setq largsr (append largs (list restarg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2003 rest-temps (intern (format "--%s--temp--" restarg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2004 tempsr (append temps (list rest-temps)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2005 (setq largsr largs tempsr temps))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2006 (let ((p1 largs) (p2 temps))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2007 (while p1
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2008 (setq lets1 (cons (list (car p2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2009 (list 'gensym (format "--%s--" (car p1))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2010 lets1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2011 lets2 (cons (list (car p1) (car p2)) lets2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2012 p1 (cdr p1) p2 (cdr p2))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2013 (if restarg (setq lets2 (cons (list restarg rest-temps) lets2)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2014 (append (list 'define-setf-method func arg1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2015 (and docstr (list docstr))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2016 (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2017 (list 'let*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2018 (nreverse
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2019 (cons (list store-temp
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2020 (list 'gensym (format "--%s--" store-var)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2021 (if restarg
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2022 (append
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2023 (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2024 (list rest-temps
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2025 (list 'mapcar '(quote gensym)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2026 restarg)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2027 lets1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2028 lets1)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2029 (list 'list ; 'values
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2030 (cons (if restarg 'list* 'list) tempsr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2031 (cons (if restarg 'list* 'list) largsr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2032 (list 'list store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2033 (cons 'let*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2034 (cons (nreverse
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2035 (cons (list store-var store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2036 lets2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2037 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2038 (cons (if restarg 'list* 'list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2039 (cons (list 'quote func) tempsr)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2040 (list 'defsetf func '(&rest args) '(store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2041 (let ((call (list 'cons (list 'quote arg1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2042 '(append args (list store)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2043 (if (car args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2044 (list 'list '(quote progn) call 'store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2045 call)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2046
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2047 ;;; Some standard place types from Common Lisp.
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2048 (eval-when-compile (defvar ignored-arg)) ; XEmacs: warning suppression
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2049 (defsetf aref aset)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2050 (defsetf car setcar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2051 (defsetf cdr setcdr)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2052 (defsetf caar (x) (val) (list 'setcar (list 'car x) val))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2053 (defsetf cadr (x) (val) (list 'setcar (list 'cdr x) val))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2054 (defsetf cdar (x) (val) (list 'setcdr (list 'car x) val))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2055 (defsetf cddr (x) (val) (list 'setcdr (list 'cdr x) val))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2056 (defsetf elt (seq n) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2057 (list 'if (list 'listp seq) (list 'setcar (list 'nthcdr n seq) store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2058 (list 'aset seq n store)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2059 ;; XEmacs change: ignore the optional DEFAULT arguments
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2060 (defsetf get (x y &optional ignored-arg) (store) (list 'put x y store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2061 (defsetf get* (x y &optional ignored-arg) (store) (list 'put x y store))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2062 (defsetf gethash (x h &optional ignored-arg) (store) (list 'puthash x store h))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2063 (defsetf nth (n x) (store) (list 'setcar (list 'nthcdr n x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2064 (defsetf subseq (seq start &optional end) (new)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2065 (list 'progn (list 'replace seq new :start1 start :end1 end) new))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2066 (defsetf symbol-function fset)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2067 (defsetf symbol-plist setplist)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2068 (defsetf symbol-value set)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2069
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2070 ;;; Various car/cdr aliases. Note that `cadr' is handled specially.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2071 (defsetf first setcar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2072 (defsetf second (x) (store) (list 'setcar (list 'cdr x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2073 (defsetf third (x) (store) (list 'setcar (list 'cddr x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2074 (defsetf fourth (x) (store) (list 'setcar (list 'cdddr x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2075 (defsetf fifth (x) (store) (list 'setcar (list 'nthcdr 4 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2076 (defsetf sixth (x) (store) (list 'setcar (list 'nthcdr 5 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2077 (defsetf seventh (x) (store) (list 'setcar (list 'nthcdr 6 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2078 (defsetf eighth (x) (store) (list 'setcar (list 'nthcdr 7 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2079 (defsetf ninth (x) (store) (list 'setcar (list 'nthcdr 8 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2080 (defsetf tenth (x) (store) (list 'setcar (list 'nthcdr 9 x) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2081 (defsetf rest setcdr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2082
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2083 ;;; Some more Emacs-related place types.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2084 (defsetf buffer-file-name set-visited-file-name t)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2085 ;; XEmacs change: we do not need to wrap this in with-current-buffer
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2086 (defsetf buffer-modified-p set-buffer-modified-p t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2087 (defsetf buffer-name rename-buffer t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2088 (defsetf buffer-string () (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2089 (list 'progn '(erase-buffer) (list 'insert store)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2090 (defsetf buffer-substring cl-set-buffer-substring)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2091 (defsetf current-buffer set-buffer)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2092 (defsetf current-case-table set-case-table)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2093 (defsetf current-column move-to-column t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2094 (defsetf current-global-map use-global-map t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2095 (defsetf current-input-mode () (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2096 (list 'progn (list 'apply 'set-input-mode store) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2097 (defsetf current-local-map use-local-map t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2098 (defsetf current-window-configuration set-window-configuration t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2099 (defsetf default-file-modes set-default-file-modes t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2100 (defsetf default-value set-default)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2101 (defsetf documentation-property put)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2102 ;;(defsetf extent-data set-extent-data)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2103 (defsetf extent-face set-extent-face)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2104 (defsetf extent-priority set-extent-priority)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2105 ;; XEmacs addition
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2106 (defsetf extent-property (x y &optional ignored-arg) (arg)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2107 (list 'set-extent-property x y arg))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2108 (defsetf extent-end-position (ext) (store)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2109 `(progn (set-extent-endpoints ,ext (extent-start-position ,ext) ,store)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2110 ,store))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2111 (defsetf extent-start-position (ext) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2112 `(progn (set-extent-endpoints ,ext ,store (extent-end-position ,ext))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2113 ,store))
5624
c39052c921b5 New "foreback" face property.
Didier Verna <didier@xemacs.org>
parents: 5619
diff changeset
2114 (defsetf face-foreground (f &optional s) (x) (list 'set-face-foreground f x s))
c39052c921b5 New "foreback" face property.
Didier Verna <didier@xemacs.org>
parents: 5619
diff changeset
2115 (defsetf face-foreback (f &optional s) (x) (list 'set-face-foreback f x s))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2116 (defsetf face-background (f &optional s) (x) (list 'set-face-background f x s))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2117 (defsetf face-background-pixmap (f &optional s) (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2118 (list 'set-face-background-pixmap f x s))
5080
5502045ec510 The background-placement face property.
Didier Verna <didier@lrde.epita.fr>
parents: 5076
diff changeset
2119 (defsetf face-background-placement (f &optional s) (x)
5502045ec510 The background-placement face property.
Didier Verna <didier@lrde.epita.fr>
parents: 5076
diff changeset
2120 (list 'set-face-background-placement f x s))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2121 (defsetf face-font (f &optional s) (x) (list 'set-face-font f x s))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2122 (defsetf face-underline-p (f &optional s) (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2123 (list 'set-face-underline-p f x s))
5619
75ad4969a16d Replace the 'flush face property with the opposite 'shrink one.
Didier Verna <didier@xemacs.org>
parents: 5617
diff changeset
2124 (defsetf face-shrink-p (f &optional s) (x)
75ad4969a16d Replace the 'flush face property with the opposite 'shrink one.
Didier Verna <didier@xemacs.org>
parents: 5617
diff changeset
2125 (list 'set-face-shrink-p f x s))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2126 (defsetf file-modes set-file-modes t)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2127 (defsetf frame-height (&optional f) (v)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2128 `(progn (set-frame-height ,f ,v) ,v))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2129 (defsetf frame-parameters modify-frame-parameters t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2130 (defsetf frame-visible-p cl-set-frame-visible-p)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2131 (defsetf frame-width (&optional f) (v)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2132 `(progn (set-frame-width ,f ,v) ,v))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2133 ;; XEmacs change: frame-properties instead of frame-parameters
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2134 (defsetf frame-properties (&optional f) (p)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2135 `(progn (set-frame-properties ,f ,p) ,p))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2136 (defsetf frame-property (f p &optional ignored-arg) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2137 `(progn (set-frame-property ,f ,v) ,p))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2138 ;; XEmacs addition
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2139 (defsetf current-frame-configuration set-frame-configuration)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2140
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2141 ;; XEmacs: new stuff
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2142 ;; Consoles
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2143 (defsetf selected-console select-console t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2144 (defsetf selected-device select-device t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2145 (defsetf device-baud-rate (&optional d) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2146 `(set-device-baud-rate ,d ,v))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2147 ;; This setf method is a bad idea, because set-specifier *adds* a
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2148 ;; specification, rather than just setting it. The net effect is that
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2149 ;; it makes specifier-instance return VAL, but other things don't work
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2150 ;; as expected -- letf, to name one.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2151 ;(defsetf specifier-instance (spec &optional dom def nof) (val)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2152 ; `(set-specifier ,spec ,val ,dom))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2153
5561
9a93bc90b3bd Add a defsetf for get-char-table, necessary for the tests in the last commit.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5553
diff changeset
2154 (defsetf get-char-table (char table) (store)
9a93bc90b3bd Add a defsetf for get-char-table, necessary for the tests in the last commit.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5553
diff changeset
2155 `(put-char-table ,char ,store ,table))
9a93bc90b3bd Add a defsetf for get-char-table, necessary for the tests in the last commit.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5553
diff changeset
2156
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2157 ;; Annotations
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2158 (defsetf annotation-glyph set-annotation-glyph)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2159 (defsetf annotation-down-glyph set-annotation-down-glyph)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2160 (defsetf annotation-face set-annotation-face)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2161 (defsetf annotation-layout set-annotation-layout)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2162 (defsetf annotation-data set-annotation-data)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2163 (defsetf annotation-action set-annotation-action)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2164 (defsetf annotation-menu set-annotation-menu)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2165 ;; Widget
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2166 (defsetf widget-get widget-put t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2167 (defsetf widget-value widget-value-set t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2168
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2169 ;; Misc
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2170 (defsetf recent-keys-ring-size set-recent-keys-ring-size)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2171 (defsetf symbol-value-in-buffer (s b &optional ignored-arg) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2172 `(with-current-buffer ,b (set ,s ,store)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2173 (defsetf symbol-value-in-console (s c &optional ignored-arg) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2174 `(letf (((selected-console) ,c))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2175 (set ,s ,store)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2176
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2177 (defsetf buffer-dedicated-frame (&optional b) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2178 `(set-buffer-dedicated-frame ,b ,v))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2179 (defsetf console-type-image-conversion-list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2180 set-console-type-image-conversion-list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2181 (defsetf default-toolbar-position set-default-toolbar-position)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2182 (defsetf device-class (&optional d) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2183 `(set-device-class ,d ,v))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2184 (defsetf extent-begin-glyph set-extent-begin-glyph)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2185 (defsetf extent-begin-glyph-layout set-extent-begin-glyph-layout)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2186 (defsetf extent-end-glyph set-extent-end-glyph)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2187 (defsetf extent-end-glyph-layout set-extent-end-glyph-layout)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2188 (defsetf extent-keymap set-extent-keymap)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2189 (defsetf extent-parent set-extent-parent)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2190 (defsetf extent-properties set-extent-properties)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2191 ;; Avoid adding various face and glyph functions.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2192 (defsetf frame-selected-window (&optional f) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2193 `(set-frame-selected-window ,f ,v))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2194 (defsetf glyph-image (glyph &optional domain) (i)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2195 (list 'set-glyph-image glyph i domain))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2196 (defsetf itimer-function set-itimer-function)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2197 (defsetf itimer-function-arguments set-itimer-function-arguments)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2198 (defsetf itimer-is-idle set-itimer-is-idle)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2199 (defsetf itimer-recorded-run-time set-itimer-recorded-run-time)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2200 (defsetf itimer-restart set-itimer-restart)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2201 (defsetf itimer-uses-arguments set-itimer-uses-arguments)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2202 (defsetf itimer-value set-itimer-value)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2203 (defsetf keymap-parents set-keymap-parents)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2204 (defsetf marker-insertion-type set-marker-insertion-type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2205 (defsetf mouse-pixel-position (&optional d) (v)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2206 `(progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2207 (set-mouse-pixel-position ,d ,(car v) ,(car (cdr v)) ,(cdr (cdr v)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2208 ,v))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2209 (defsetf trunc-stack-length set-trunc-stack-length)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2210 (defsetf trunc-stack-stack set-trunc-stack-stack)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2211 (defsetf undoable-stack-max set-undoable-stack-max)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2212 (defsetf weak-list-list set-weak-list-list)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2213 ;; End of new XEmacs stuff
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2214
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2215 (defsetf getenv setenv t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2216 (defsetf get-register set-register)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2217 (defsetf global-key-binding global-set-key)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2218 (defsetf keymap-parent set-keymap-parent)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2219 ;; XEmacs addition: more keymap-related setf forms
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2220 (defsetf keymap-name set-keymap-name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2221 (defsetf keymap-prompt set-keymap-prompt)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2222 (defsetf keymap-default-binding set-keymap-default-binding)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2223 (defsetf local-key-binding local-set-key)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2224 (defsetf mark set-mark t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2225 (defsetf mark-marker set-mark t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2226 (defsetf marker-position set-marker t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2227 (defsetf match-data store-match-data t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2228 (defsetf mouse-position (scr) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2229 (list 'set-mouse-position scr (list 'car store) (list 'cadr store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2230 (list 'cddr store)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2231 (defsetf overlay-get overlay-put)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2232 (defsetf overlay-start (ov) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2233 (list 'progn (list 'move-overlay ov store (list 'overlay-end ov)) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2234 (defsetf overlay-end (ov) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2235 (list 'progn (list 'move-overlay ov (list 'overlay-start ov) store) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2236 (defsetf point goto-char)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2237 (defsetf point-marker goto-char t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2238 (defsetf point-max () (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2239 (list 'progn (list 'narrow-to-region '(point-min) store) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2240 (defsetf point-min () (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2241 (list 'progn (list 'narrow-to-region store '(point-max)) store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2242 (defsetf process-buffer set-process-buffer)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2243 (defsetf process-filter set-process-filter)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2244 (defsetf process-sentinel set-process-sentinel)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2245 ;;(defsetf process-get process-put)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2246 (defsetf read-mouse-position (scr) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2247 (list 'set-mouse-position scr (list 'car store) (list 'cdr store)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2248 ;;(defsetf screen-height set-screen-height t)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2249 ;;(defsetf screen-width set-screen-width t)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2250 (defsetf selected-window select-window)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2251 ;;(defsetf selected-screen select-screen)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2252 (defsetf selected-frame select-frame)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2253 (defsetf standard-case-table set-standard-case-table)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2254 (defsetf syntax-table set-syntax-table)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2255 (defsetf visited-file-modtime set-visited-file-modtime t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2256 (defsetf window-buffer set-window-buffer t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2257 (defsetf window-display-table set-window-display-table t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2258 (defsetf window-dedicated-p set-window-dedicated-p t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2259 (defsetf window-height (&optional window) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2260 `(progn (enlarge-window (- ,store (window-height)) nil ,window) ,store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2261 (defsetf window-hscroll set-window-hscroll)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2262 (defsetf window-point set-window-point)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2263 (defsetf window-start set-window-start)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2264 (defsetf window-width (&optional window) (store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2265 `(progn (enlarge-window (- ,store (window-width)) t ,window) ,store))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2266 (defsetf x-get-cutbuffer x-store-cutbuffer t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2267 (defsetf x-get-cut-buffer x-store-cut-buffer t) ; groan.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2268 (defsetf x-get-secondary-selection x-own-secondary-selection t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2269 (defsetf x-get-selection x-own-selection t)
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2270 (defsetf get-selection own-selection t)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2271
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2272 ;;; More complex setf-methods.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2273 ;;; These should take &environment arguments, but since full arglists aren't
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2274 ;;; available while compiling cl-macs, we fake it by referring to the global
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2275 ;;; variable byte-compile-macro-environment directly.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2276
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2277 (define-setf-method apply (func arg1 &rest rest)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2278 (or (and (memq (car-safe func) '(quote function function*))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2279 (symbolp (car-safe (cdr-safe func))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2280 (error "First arg to apply in setf is not (function SYM): %s" func))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2281 (let* ((form (cons (nth 1 func) (cons arg1 rest)))
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2282 (method (get-setf-method form byte-compile-macro-environment)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2283 (list (car method) (nth 1 method) (nth 2 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2284 (cl-setf-make-apply (nth 3 method) (cadr func) (car method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2285 (cl-setf-make-apply (nth 4 method) (cadr func) (car method)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2286
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2287 (defun cl-setf-make-apply (form func temps)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2288 (if (eq (car form) 'progn)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2289 (list* 'progn (cl-setf-make-apply (cadr form) func temps) (cddr form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2290 (or (equal (last form) (last temps))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2291 (error "%s is not suitable for use with setf-of-apply" func))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2292 (list* 'apply (list 'quote (car form)) (cdr form))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2293
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2294 (define-setf-method nthcdr (n place)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2295 (let ((method (get-setf-method place byte-compile-macro-environment))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2296 (n-temp (gensym "--nthcdr-n--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2297 (store-temp (gensym "--nthcdr-store--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2298 (list (cons n-temp (car method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2299 (cons n (nth 1 method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2300 (list store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2301 (list 'let (list (list (car (nth 2 method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2302 (list 'cl-set-nthcdr n-temp (nth 4 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2303 store-temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2304 (nth 3 method) store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2305 (list 'nthcdr n-temp (nth 4 method)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2306
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2307 (define-setf-method getf (place tag &optional def)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2308 (let ((method (get-setf-method place byte-compile-macro-environment))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2309 (tag-temp (gensym "--getf-tag--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2310 (def-temp (gensym "--getf-def--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2311 (store-temp (gensym "--getf-store--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2312 (list (append (car method) (list tag-temp def-temp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2313 (append (nth 1 method) (list tag def))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2314 (list store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2315 (list 'let (list (list (car (nth 2 method))
5285
99de5fd48e87 Tighten up Common Lisp compatibility, #'butlast, #'nbutlast, #'tailp, #'ldiff
Aidan Kehoe <kehoea@parhasard.net>
parents: 5269
diff changeset
2316 (list 'plist-put (nth 4 method)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2317 tag-temp store-temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2318 (nth 3 method) store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2319 (list 'getf (nth 4 method) tag-temp def-temp))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2320
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2321 (define-setf-method substring (place from &optional to)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2322 (let ((method (get-setf-method place byte-compile-macro-environment))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2323 (from-temp (gensym "--substring-from--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2324 (to-temp (gensym "--substring-to--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2325 (store-temp (gensym "--substring-store--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2326 (list (append (car method) (list from-temp to-temp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2327 (append (nth 1 method) (list from to))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2328 (list store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2329 (list 'let (list (list (car (nth 2 method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2330 (list 'cl-set-substring (nth 4 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2331 from-temp to-temp store-temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2332 (nth 3 method) store-temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2333 (list 'substring (nth 4 method) from-temp to-temp))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2334
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2335 ;; XEmacs addition
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2336 (define-setf-method values (&rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2337 (let ((methods (mapcar #'(lambda (x)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2338 (get-setf-method x byte-compile-macro-environment))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2339 args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2340 (store-temp (gensym "--values-store--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2341 (list (apply 'append (mapcar 'first methods))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2342 (apply 'append (mapcar 'second methods))
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2343 `((,store-temp
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2344 (multiple-value-list-internal 0 ,(if args (length args) 1))))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2345 (cons 'values
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2346 (mapcar #'(lambda (m)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2347 (cl-setf-do-store (cons (car (third m)) (fourth m))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2348 (list 'pop store-temp)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2349 methods))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2350 (cons 'list (mapcar 'fifth methods)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2351
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2352 ;;; Getting and optimizing setf-methods.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2353 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2354 (defun get-setf-method (place &optional env)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2355 "Return a list of five values describing the setf-method for PLACE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2356 PLACE may be any Lisp form which can appear as the PLACE argument to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2357 a macro like `setf' or `incf'."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2358 (if (symbolp place)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2359 (let ((temp (gensym "--setf--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2360 (list nil nil (list temp) (list 'setq place temp) place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2361 (or (and (symbolp (car place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2362 (let* ((func (car place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2363 (name (symbol-name func))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2364 (method (get func 'setf-method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2365 (case-fold-search nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2366 (or (and method
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2367 (let ((byte-compile-macro-environment env))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2368 (setq method (apply method (cdr place))))
5366
f00192e1cd49 Examining the result of #'length: `eql', not `=', it's better style & cheaper
Aidan Kehoe <kehoea@parhasard.net>
parents: 5356
diff changeset
2369 (if (and (consp method) (eql (length method) 5))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2370 method
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2371 (error "Setf-method for %s returns malformed method"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2372 func)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2373 (and (save-match-data
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2374 (string-match "\\`c[ad][ad][ad]?[ad]?r\\'" name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2375 (get-setf-method (compiler-macroexpand place)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2376 (and (eq func 'edebug-after)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2377 (get-setf-method (nth (1- (length place)) place)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2378 env)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2379 (if (eq place (setq place (macroexpand place env)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2380 (if (and (symbolp (car place)) (fboundp (car place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2381 (symbolp (symbol-function (car place))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2382 (get-setf-method (cons (symbol-function (car place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2383 (cdr place)) env)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2384 (error "No setf-method known for %s" (car place)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2385 (get-setf-method place env)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2386
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2387 (defun cl-setf-do-modify (place opt-expr)
5562
855b667dea13 Drop cl-macro-environment in favour of byte-compile-macro-environment.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5561
diff changeset
2388 (let* ((method (get-setf-method place byte-compile-macro-environment))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2389 (temps (car method)) (values (nth 1 method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2390 (lets nil) (subs nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2391 (optimize (and (not (eq opt-expr 'no-opt))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2392 (or (and (not (eq opt-expr 'unsafe))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2393 (cl-safe-expr-p opt-expr))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2394 (cl-setf-simple-store-p (car (nth 2 method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2395 (nth 3 method)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2396 (simple (and optimize (consp place) (cl-simple-exprs-p (cdr place)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2397 (while values
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2398 (if (or simple (cl-const-expr-p (car values)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2399 (push (cons (pop temps) (pop values)) subs)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2400 (push (list (pop temps) (pop values)) lets)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2401 (list (nreverse lets)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2402 (cons (car (nth 2 method)) (sublis subs (nth 3 method)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2403 (sublis subs (nth 4 method)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2404
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2405 (defun cl-setf-do-store (spec val)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2406 (let ((sym (car spec))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2407 (form (cdr spec)))
4677
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2408 (if (consp sym)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2409 ;; XEmacs change, only used for implementing #'values at the moment.
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2410 (let* ((orig (copy-list sym))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2411 (intermediate (last orig))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2412 (circular-limit 32))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2413 (while (consp (car intermediate))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2414 (when (zerop circular-limit)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2415 (error 'circular-list "Form seems to contain loops"))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2416 (setq intermediate (last (car intermediate))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2417 circular-limit (1- circular-limit)))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2418 (setcdr intermediate (list val))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2419 `(let (,orig)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2420 ,form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2421 (if (or (cl-const-expr-p val)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2422 (and (cl-simple-expr-p val)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2423 (eq (cl-expr-contains form sym) 1))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2424 (cl-setf-simple-store-p sym form))
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2425 (subst val sym form)
8f1ee2d15784 Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4607
diff changeset
2426 (list 'let (list (list sym val)) form)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2427
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2428 (defun cl-setf-simple-store-p (sym form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2429 (and (consp form) (eq (cl-expr-contains form sym) 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2430 (eq (nth (1- (length form)) form) sym)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2431 (symbolp (car form)) (fboundp (car form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2432 (not (eq (car-safe (symbol-function (car form))) 'macro))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2433
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2434 ;;; The standard modify macros.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2435 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2436 (defmacro setf (&rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2437 "(setf PLACE VAL PLACE VAL ...): set each PLACE to the value of its VAL.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2438 This is a generalized version of `setq'; the PLACEs may be symbolic
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2439 references such as (car x) or (aref x i), as well as plain symbols.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2440 For example, (setf (cadar x) y) is equivalent to (setcar (cdar x) y).
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2441 The return value is the last VAL in the list."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2442 (if (cdr (cdr args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2443 (let ((sets nil))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2444 (while args (push (list 'setf (pop args) (pop args)) sets))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2445 (cons 'progn (nreverse sets)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2446 (if (symbolp (car args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2447 (and args (cons 'setq args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2448 (let* ((method (cl-setf-do-modify (car args) (nth 1 args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2449 (store (cl-setf-do-store (nth 1 method) (nth 1 args))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2450 (if (car method) (list 'let* (car method) store) store)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2451
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2452 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2453 (defmacro psetf (&rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2454 "(psetf PLACE VAL PLACE VAL ...): set PLACEs to the values VALs in parallel.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2455 This is like `setf', except that all VAL forms are evaluated (in order)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2456 before assigning any PLACEs to the corresponding values."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2457 (let ((p args) (simple t) (vars nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2458 (while p
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2459 (if (or (not (symbolp (car p))) (cl-expr-depends-p (nth 1 p) vars))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2460 (setq simple nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2461 (if (memq (car p) vars)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2462 (error "Destination duplicated in psetf: %s" (car p)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2463 (push (pop p) vars)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2464 (or p (error "Odd number of arguments to psetf"))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2465 (pop p))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2466 (if simple
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2467 (list 'progn (cons 'setf args) nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2468 (setq args (reverse args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2469 (let ((expr (list 'setf (cadr args) (car args))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2470 (while (setq args (cddr args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2471 (setq expr (list 'setf (cadr args) (list 'prog1 (car args) expr))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2472 (list 'progn expr nil)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2473
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2474 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2475 (defun cl-do-pop (place)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2476 (if (cl-simple-expr-p place)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2477 (list 'prog1 (list 'car place) (list 'setf place (list 'cdr place)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2478 (let* ((method (cl-setf-do-modify place t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2479 (temp (gensym "--pop--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2480 (list 'let*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2481 (append (car method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2482 (list (list temp (nth 2 method))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2483 (list 'prog1
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2484 (list 'car temp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2485 (cl-setf-do-store (nth 1 method) (list 'cdr temp)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2486
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2487 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2488 (defmacro remf (place tag)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
2489 "Remove TAG from property list PLACE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2490 PLACE may be a symbol, or any generalized variable allowed by `setf'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2491 The form returns true if TAG was found and removed, nil otherwise."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2492 (let* ((method (cl-setf-do-modify place t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2493 (tag-temp (and (not (cl-const-expr-p tag)) (gensym "--remf-tag--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2494 (val-temp (and (not (cl-simple-expr-p place))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2495 (gensym "--remf-place--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2496 (ttag (or tag-temp tag))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2497 (tval (or val-temp (nth 2 method))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2498 (list 'let*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2499 (append (car method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2500 (and val-temp (list (list val-temp (nth 2 method))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2501 (and tag-temp (list (list tag-temp tag))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2502 (list 'if (list 'eq ttag (list 'car tval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2503 (list 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2504 (cl-setf-do-store (nth 1 method) (list 'cddr tval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2505 t)
5285
99de5fd48e87 Tighten up Common Lisp compatibility, #'butlast, #'nbutlast, #'tailp, #'ldiff
Aidan Kehoe <kehoea@parhasard.net>
parents: 5269
diff changeset
2506 (list 'plist-remprop tval ttag)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2507
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2508 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2509 (defmacro shiftf (place &rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2510 "(shiftf PLACE PLACE... VAL): shift left among PLACEs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2511 Example: (shiftf A B C) sets A to B, B to C, and returns the old A.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2512 Each PLACE may be a symbol, or any generalized variable allowed by `setf'."
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2513 ;; XEmacs change: use iteration instead of recursion
5367
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
2514 (if (every #'symbolp (butlast (cons place args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2515 (list* 'prog1 place
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2516 (let ((sets nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2517 (while args
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2518 (push (list 'setq place (car args)) sets)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2519 (setq place (pop args)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2520 (nreverse sets)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2521 (let* ((places (reverse (cons place args)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2522 (form (pop places)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2523 (while places
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2524 (let ((method (cl-setf-do-modify (pop places) 'unsafe)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2525 (setq form (list 'let* (car method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2526 (list 'prog1 (nth 2 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2527 (cl-setf-do-store (nth 1 method) form))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2528 form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2529
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2530 ;;;###autoload
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2531 (defmacro rotatef (&rest places)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2532 "Rotate left among PLACES.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2533 Example: (rotatef A B C) sets A to B, B to C, and C to A. It returns nil.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2534 Each PLACE may be a symbol, or any generalized variable allowed by `setf'."
5367
8b70d37ab80e Use Common Lisp-derived builtins in a few more places in core Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5366
diff changeset
2535 (if (every #'symbolp places)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2536 (and (cdr places)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2537 (let ((sets nil)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2538 (first (car places)))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2539 (while (cdr places)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2540 (setq sets (nconc sets (list (pop places) (car places)))))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2541 (nconc (list 'psetf) sets (list (car places) first))))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2542 (let* ((places (reverse places))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2543 (temp (gensym "--rotatef--"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2544 (form temp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2545 (while (cdr places)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2546 (let ((method (cl-setf-do-modify (pop places) 'unsafe)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2547 (setq form (list 'let* (car method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2548 (list 'prog1 (nth 2 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2549 (cl-setf-do-store (nth 1 method) form))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2550 (let ((method (cl-setf-do-modify (car places) 'unsafe)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2551 (list 'let* (append (car method) (list (list temp (nth 2 method))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2552 (cl-setf-do-store (nth 1 method) form) nil)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2553
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2554 ;; This function is not in Common Lisp, and there are gaps in its structure and
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2555 ;; implementation that reflect that it was never well-specified. E.g. with
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2556 ;; setf, the question of whether a PLACE is bound or not and how to make it
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2557 ;; unbound doesn't arise, but we need some way of specifying that for letf to
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2558 ;; be sensible for gethash, symbol-value and so on; currently we just hard-code
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2559 ;; symbol-value, symbol-function and values (the latter is XEmacs work that
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2560 ;; I've just done) in the body of this function, and the following gives the
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2561 ;; wrong behaviour for gethash:
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2562 ;;
4820
e6dec75ded0e Use keywords, not ordinary symbols, in the structure syntax for hash tables.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4810
diff changeset
2563 ;; (setq my-hash-table #s(hash-table :test equal :data ())
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2564 ;; print-gensym t)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2565 ;; => t
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2566 ;; (gethash "my-key" my-hash-table (gensym))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2567 ;; => #:G68010
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2568 ;; (letf (((gethash "my-key" my-hash-table) 4000))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2569 ;; (message "key value is %S" (gethash "my-key" my-hash-table)))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2570 ;; => "key value is 4000"
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2571 ;; (gethash "my-key" my-hash-table (gensym))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2572 ;; => nil ;; should be an uninterned symbol.
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2573 ;;
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2574 ;; Aidan Kehoe, Fr Nov 13 16:12:21 GMT 2009
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2575
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2576 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2577 (defmacro letf (bindings &rest body)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2578 "Temporarily bind to PLACEs.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2579 This is the analogue of `let', but with generalized variables (in the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2580 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2581 VALUE, then the BODY forms are executed. On exit, either normally or
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2582 because of a `throw' or error, the PLACEs are set back to their original
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2583 values. Note that this macro is *not* available in Common Lisp.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2584 As a special case, if `(PLACE)' is used instead of `(PLACE VALUE)',
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2585 the PLACE is not modified before executing BODY.
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2586
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2587 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)"
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2588 (if (and (not (cdr bindings)) (cdar bindings) (symbolp (caar bindings)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2589 (list* 'let bindings body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2590 (let ((lets nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2591 (rev (reverse bindings)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2592 (while rev
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2593 (let* ((place (if (symbolp (caar rev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2594 (list 'symbol-value (list 'quote (caar rev)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2595 (caar rev)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2596 (value (cadar rev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2597 (method (cl-setf-do-modify place 'no-opt))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2598 (save (gensym "--letf-save--"))
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2599 (bound (and (memq (car place)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2600 '(symbol-value symbol-function values))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2601 (gensym "--letf-bound--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2602 (temp (and (not (cl-const-expr-p value)) (cdr bindings)
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2603 (gensym "--letf-val--")))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2604 (syms (and (eq 'values (car place))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2605 (gensym "--letf-syms--")))
4783
e29fcfd8df5f Eliminate most core code byte-compile warnings.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4742
diff changeset
2606 (cursor (and syms (gensym "--letf-cursor--"))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2607 (setq lets (nconc (car method)
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2608 (cond
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2609 (syms
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2610 `((,syms ',(loop
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2611 for sym in (cdr place)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2612 nconc (if (symbolp sym) (list sym))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2613 (,cursor ,syms)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2614 (,bound nil)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2615 (,save
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2616 (prog2
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2617 (while (consp ,cursor)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2618 (setq ,bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2619 (cons (and (boundp (car ,cursor))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2620 (symbol-value
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2621 (car ,cursor)))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2622 ,bound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2623 ,cursor (cdr ,cursor)))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2624 ;; Just using ,bound as a temporary
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2625 ;; variable here, to initialise ,save:
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2626 (nreverse ,bound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2627 ;; Now, really initialise ,bound:
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2628 (setq ,cursor ,syms
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2629 ,bound nil
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2630 ,bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2631 (progn (while (consp ,cursor)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2632 (setq ,bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2633 (cons
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2634 (boundp (car ,cursor))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2635 ,bound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2636 ,cursor (cdr ,cursor)))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2637 (nreverse ,bound)))))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2638 (bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2639 (list (list bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2640 (list (if (eq (car place)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2641 'symbol-value)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2642 'boundp 'fboundp)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2643 (nth 1 (nth 2 method))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2644 (list save (list 'and bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2645 (nth 2 method)))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2646 (t
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2647 (list (list save (nth 2 method)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2648 (and temp (list (list temp value)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2649 lets)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2650 body (list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2651 (list 'unwind-protect
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2652 (cons 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2653 (if (cdr (car rev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2654 (cons (cl-setf-do-store (nth 1 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2655 (or temp value))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2656 body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2657 body))
4742
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2658 (cond
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2659 (syms
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2660 `(while (consp ,syms)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2661 (if (car ,bound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2662 (set (car ,syms) (car ,save))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2663 (makunbound (car ,syms)))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2664 (setq ,syms (cdr ,syms)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2665 ,bound (cdr ,bound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2666 ,save (cdr ,save))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2667 (bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2668 (list 'if bound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2669 (cl-setf-do-store (nth 1 method) save)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2670 (list (if (eq (car place)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2671 'symbol-function)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2672 'fmakunbound
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2673 'makunbound)
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2674 (nth 1 (nth 2 method)))))
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2675 (t
4cf435fcebbc Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4723
diff changeset
2676 (cl-setf-do-store (nth 1 method) save)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2677 rev (cdr rev))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2678 (list* 'let* lets body))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2679
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2680 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2681 (defmacro letf* (bindings &rest body)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2682 "Temporarily bind to PLACES.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2683 This is the analogue of `let*', but with generalized variables (in the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2684 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2685 VALUE, then the BODY forms are executed. On exit, either normally or
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2686 because of a `throw' or error, the PLACEs are set back to their original
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2687 values. Note that this macro is *not* available in Common Lisp.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2688 As a special case, if `(PLACE)' is used instead of `(PLACE VALUE)',
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2689 the PLACE is not modified before executing BODY.
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2690
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
2691 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)"
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2692 (if (null bindings)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2693 (cons 'progn body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2694 (setq bindings (reverse bindings))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2695 (while bindings
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2696 (setq body (list (list* 'letf (list (pop bindings)) body))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2697 (car body)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2698
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2699 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2700 (defmacro callf (func place &rest args)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
2701 "Set PLACE to (FUNC PLACE ARGS...).
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2702 FUNC should be an unquoted function name. PLACE may be a symbol,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2703 or any generalized variable allowed by `setf'."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2704 (let* ((method (cl-setf-do-modify place (cons 'list args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2705 (rargs (cons (nth 2 method) args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2706 (list 'let* (car method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2707 (cl-setf-do-store (nth 1 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2708 (if (symbolp func) (cons func rargs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2709 (list* 'funcall (list 'function func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2710 rargs))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2711
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2712 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2713 (defmacro callf2 (func arg1 place &rest args)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
2714 "Set PLACE to (FUNC ARG1 PLACE ARGS...).
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2715 Like `callf', but PLACE is the second argument of FUNC, not the first."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2716 (if (and (cl-safe-expr-p arg1) (cl-simple-expr-p place) (symbolp func))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2717 (list 'setf place (list* func arg1 place args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2718 (let* ((method (cl-setf-do-modify place (cons 'list args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2719 (temp (and (not (cl-const-expr-p arg1)) (gensym "--arg1--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2720 (rargs (list* (or temp arg1) (nth 2 method) args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2721 (list 'let* (append (and temp (list (list temp arg1))) (car method))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2722 (cl-setf-do-store (nth 1 method)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2723 (if (symbolp func) (cons func rargs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2724 (list* 'funcall (list 'function func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2725 rargs)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2726
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2727 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2728 (defmacro define-modify-macro (name arglist func &optional doc)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
2729 "Define a `setf'-like modify macro.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2730 If NAME is called, it combines its PLACE argument with the other arguments
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2731 from ARGLIST using FUNC: (define-modify-macro incf (&optional (n 1)) +)"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2732 (if (memq '&key arglist) (error "&key not allowed in define-modify-macro"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2733 (let ((place (gensym "--place--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2734 (list 'defmacro* name (cons place arglist) doc
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2735 (list* (if (memq '&rest arglist) 'list* 'list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2736 '(quote callf) (list 'quote func) place
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2737 (cl-arglist-args arglist)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2738
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2739
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2740 ;;; Structures.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2741
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2742 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2743 (defmacro defstruct (struct &rest descs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2744 "(defstruct (NAME OPTIONS...) (SLOT SLOT-OPTS...)...): define a struct type.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2745 This macro defines a new Lisp data type called NAME, which contains data
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2746 stored in SLOTs. This defines a `make-NAME' constructor, a `copy-NAME'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2747 copier, a `NAME-p' predicate, and setf-able `NAME-SLOT' accessors."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2748 (let* ((name (if (consp struct) (car struct) struct))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2749 (opts (cdr-safe struct))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2750 (slots nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2751 (defaults nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2752 (conc-name (concat (symbol-name name) "-"))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2753 (constructor (intern (format "make-%s" name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2754 (constrs nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2755 (copier (intern (format "copy-%s" name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2756 (predicate (intern (format "%s-p" name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2757 (print-func nil) (print-auto nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2758 (safety (if (cl-compiling-file) cl-optimize-safety 3))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2759 (include nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2760 (tag (intern (format "cl-struct-%s" name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2761 (tag-symbol (intern (format "cl-struct-%s-tags" name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2762 (include-descs nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2763 (side-eff nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2764 (type nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2765 (named nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2766 (forms nil)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2767 pred-form pred-check)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2768 (if (stringp (car descs))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2769 (push (list 'put (list 'quote name) '(quote structure-documentation)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2770 (pop descs)) forms))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2771 (setq descs (cons '(cl-tag-slot)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2772 (mapcar #'(lambda (x) (if (consp x) x (list x)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2773 descs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2774 (while opts
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2775 (let ((opt (if (consp (car opts)) (caar opts) (car opts)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2776 (args (cdr-safe (pop opts))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2777 (cond ((eq opt :conc-name)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2778 (if args
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2779 (setq conc-name (if (car args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2780 (symbol-name (car args)) ""))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2781 ((eq opt :constructor)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2782 (if (cdr args)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2783 (push args constrs)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2784 (if args (setq constructor (car args)))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2785 ((eq opt :copier)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2786 (if args (setq copier (car args))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2787 ((eq opt :predicate)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2788 (if args (setq predicate (car args))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2789 ((eq opt :include)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2790 (setq include (car args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2791 include-descs (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2792 (if (consp x) x (list x)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2793 (cdr args))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2794 ((eq opt :print-function)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2795 (setq print-func (car args)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2796 ((eq opt :type)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2797 (setq type (car args)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2798 ((eq opt :named)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2799 (setq named t))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2800 ((eq opt :initial-offset)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2801 (setq descs (nconc (make-list (car args) '(cl-skip-slot))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2802 descs)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2803 (t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2804 (error "Slot option %s unrecognized" opt)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2805 (if print-func
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2806 (setq print-func (list 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2807 (list 'funcall (list 'function print-func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2808 'cl-x 'cl-s 'cl-n) t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2809 (or type (and include (not (get include 'cl-struct-print)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2810 (setq print-auto t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2811 print-func (and (or (not (or include type)) (null print-func))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2812 (list 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2813 (list 'princ (format "#S(%s" name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2814 'cl-s))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2815 (if include
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2816 (let ((inc-type (get include 'cl-struct-type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2817 (old-descs (get include 'cl-struct-slots)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2818 (or inc-type (error "%s is not a struct name" include))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2819 (and type (not (eq (car inc-type) type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2820 (error ":type disagrees with :include for %s" name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2821 (while include-descs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2822 (setcar (memq (or (assq (caar include-descs) old-descs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2823 (error "No slot %s in included struct %s"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2824 (caar include-descs) include))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2825 old-descs)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2826 (pop include-descs)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2827 (setq descs (append old-descs (delq (assq 'cl-tag-slot descs) descs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2828 type (car inc-type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2829 named (assq 'cl-tag-slot descs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2830 (if (cadr inc-type) (setq tag name named t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2831 (let ((incl include))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2832 (while incl
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2833 (push (list 'pushnew (list 'quote tag)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2834 (intern (format "cl-struct-%s-tags" incl)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2835 forms)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2836 (setq incl (get incl 'cl-struct-include)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2837 (if type
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2838 (progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2839 (or (memq type '(vector list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2840 (error "Illegal :type specifier: %s" type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2841 (if named (setq tag name)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2842 (setq type 'vector named 'true)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2843 (or named (setq descs (delq (assq 'cl-tag-slot descs) descs)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2844 (push (list 'defvar tag-symbol) forms)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2845 (setq pred-form (and named
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2846 (let ((pos (- (length descs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2847 (length (memq (assq 'cl-tag-slot descs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2848 descs)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2849 (if (eq type 'vector)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2850 (list 'and '(vectorp cl-x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2851 (list '>= '(length cl-x) (length descs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2852 (list 'memq (list 'aref 'cl-x pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2853 tag-symbol))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2854 (if (= pos 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2855 (list 'memq '(car-safe cl-x) tag-symbol)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2856 (list 'and '(consp cl-x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2857 (list 'memq (list 'nth pos 'cl-x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2858 tag-symbol))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2859 pred-check (and pred-form (> safety 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2860 (if (and (eq (caadr pred-form) 'vectorp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2861 (= safety 1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2862 (cons 'and (cdddr pred-form)) pred-form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2863 (let ((pos 0) (descp descs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2864 (while descp
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2865 (let* ((desc (pop descp))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2866 (slot (car desc)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2867 (if (memq slot '(cl-tag-slot cl-skip-slot))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2868 (progn
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2869 (push nil slots)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2870 (push (and (eq slot 'cl-tag-slot) (list 'quote tag))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2871 defaults))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2872 (if (assq slot descp)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2873 (error "Duplicate slots named %s in %s" slot name))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2874 (let ((accessor (intern (format "%s%s" conc-name slot))))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2875 (push slot slots)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2876 (push (nth 1 desc) defaults)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2877 (push (list*
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2878 'defsubst* accessor '(cl-x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2879 (append
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2880 (and pred-check
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2881 (list (list 'or pred-check
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2882 (list 'error
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2883 (format "%s accessing a non-%s"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2884 accessor name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2885 'cl-x))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2886 (list (if (eq type 'vector) (list 'aref 'cl-x pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2887 (if (= pos 0) '(car cl-x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2888 (list 'nth pos 'cl-x)))))) forms)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2889 (push (cons accessor t) side-eff)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2890 (push (list 'define-setf-method accessor '(cl-x)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2891 (if (cadr (memq :read-only (cddr desc)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2892 (list 'error (format "%s is a read-only slot"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2893 accessor))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2894 (list 'cl-struct-setf-expander 'cl-x
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2895 (list 'quote name) (list 'quote accessor)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2896 (and pred-check (list 'quote pred-check))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2897 pos)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2898 forms)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2899 (if print-auto
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2900 (nconc print-func
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2901 (list (list 'princ (format " %s" slot) 'cl-s)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2902 (list 'prin1 (list accessor 'cl-x) 'cl-s)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2903 (setq pos (1+ pos))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2904 (setq slots (nreverse slots)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2905 defaults (nreverse defaults))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2906 (and predicate pred-form
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2907 (progn (push (list 'defsubst* predicate '(cl-x)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2908 (if (eq (car pred-form) 'and)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2909 (append pred-form '(t))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2910 (list 'and pred-form t))) forms)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2911 (push (cons predicate 'error-free) side-eff)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2912 (and copier
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2913 (progn (push (list 'defun copier '(x) '(copy-sequence x)) forms)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2914 (push (cons copier t) side-eff)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2915 (if constructor
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2916 (push (list constructor
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2917 (cons '&key (delq nil (copy-sequence slots))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2918 constrs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2919 (while constrs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2920 (let* ((name (caar constrs))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2921 (args (cadr (pop constrs)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2922 (anames (cl-arglist-args args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2923 (make (mapcar* #'(lambda (s d) (if (memq s anames) s d))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2924 slots defaults)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2925 (push (list 'defsubst* name
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2926 (list* '&cl-defs (list 'quote (cons nil descs)) args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2927 (cons type make)) forms)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2928 (if (cl-safe-expr-p (cons 'progn (mapcar 'second descs)))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2929 (push (cons name t) side-eff))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2930 (if print-auto (nconc print-func (list '(princ ")" cl-s) t)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2931 (if print-func
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2932 (push (list 'push
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2933 (list 'function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2934 (list 'lambda '(cl-x cl-s cl-n)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2935 (list 'and pred-form print-func)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2936 'custom-print-functions) forms))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2937 (push (list 'setq tag-symbol (list 'list (list 'quote tag))) forms)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2938 (push (list* 'eval-when '(compile load eval)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2939 (list 'put (list 'quote name) '(quote cl-struct-slots)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2940 (list 'quote descs))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2941 (list 'put (list 'quote name) '(quote cl-struct-type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2942 (list 'quote (list type (eq named t))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2943 (list 'put (list 'quote name) '(quote cl-struct-include)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2944 (list 'quote include))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2945 (list 'put (list 'quote name) '(quote cl-struct-print)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2946 print-auto)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2947 (mapcar #'(lambda (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2948 (list 'put (list 'quote (car x))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2949 '(quote side-effect-free)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2950 (list 'quote (cdr x))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2951 side-eff))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2952 forms)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2953 (cons 'progn (nreverse (cons (list 'quote name) forms)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2954
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2955 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2956 (defun cl-struct-setf-expander (x name accessor pred-form pos)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2957 (let* ((temp (gensym "--x--")) (store (gensym "--store--")))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2958 (list (list temp) (list x) (list store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2959 (append '(progn)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2960 (and pred-form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2961 (list (list 'or (subst temp 'cl-x pred-form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2962 (list 'error
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2963 (format
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2964 "%s storing a non-%s" accessor name)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2965 temp))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2966 (list (if (eq (car (get name 'cl-struct-type)) 'vector)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2967 (list 'aset temp pos store)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2968 (list 'setcar
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2969 (if (<= pos 5)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2970 (let ((xx temp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2971 (while (>= (setq pos (1- pos)) 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2972 (setq xx (list 'cdr xx)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2973 xx)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2974 (list 'nthcdr pos temp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2975 store))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2976 (list accessor temp))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2977
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2978
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2979 ;;; Types and assertions.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2980
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2981 ;;;###autoload
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2982 (defmacro deftype (name arglist &rest body)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
2983 "Define NAME as a new data type.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2984 The type name can then be used in `typecase', `check-type', etc."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2985 (list 'eval-when '(compile load eval)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2986 (cl-transform-function-property
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2987 name 'cl-deftype-handler (cons (list* '&cl-defs ''('*) arglist) body))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2988
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2989 (defun cl-make-type-test (val type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2990 (if (symbolp type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2991 (cond ((get type 'cl-deftype-handler)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2992 (cl-make-type-test val (funcall (get type 'cl-deftype-handler))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2993 ((memq type '(nil t)) type)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2994 ((eq type 'null) `(null ,val))
4885
6772ce4d982b Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents: 4820
diff changeset
2995 ((eq type 'float) `(floatp ,val))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2996 ((eq type 'real) `(numberp ,val))
4885
6772ce4d982b Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents: 4820
diff changeset
2997 ((eq type 'fixnum) `(fixnump ,val))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2998 ;; XEmacs change: we do not have char-valid-p
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
2999 ((memq type '(character string-char)) `(characterp ,val))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3000 (t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3001 (let* ((name (symbol-name type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3002 (namep (intern (concat name "p"))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3003 (if (fboundp namep) (list namep val)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3004 (list (intern (concat name "-p")) val)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3005 (cond ((get (car type) 'cl-deftype-handler)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3006 (cl-make-type-test val (apply (get (car type) 'cl-deftype-handler)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3007 (cdr type))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3008 ((memq (car-safe type) '(integer float real number))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3009 (delq t (list 'and (cl-make-type-test val (car type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3010 (if (memq (cadr type) '(* nil)) t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3011 (if (consp (cadr type)) (list '> val (caadr type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3012 (list '>= val (cadr type))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3013 (if (memq (caddr type) '(* nil)) t
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3014 (if (consp (caddr type)) (list '< val (caaddr type))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3015 (list '<= val (caddr type)))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3016 ((memq (car-safe type) '(and or not))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3017 (cons (car type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3018 (mapcar #'(lambda (x) (cl-make-type-test val x))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3019 (cdr type))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3020 ((memq (car-safe type) '(member member*))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3021 (list 'and (list 'member* val (list 'quote (cdr type))) t))
5305
09fed7053634 Handle slightly more complex type specifications, #'coerce, #'typep.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5301
diff changeset
3022 ((eq (car-safe type) 'eql)
09fed7053634 Handle slightly more complex type specifications, #'coerce, #'typep.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5301
diff changeset
3023 (list 'eql (cadr type) val))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3024 ((eq (car-safe type) 'satisfies) (list (cadr type) val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3025 (t (error "Bad type spec: %s" type)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3026
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3027 ;;;###autoload
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
3028 (defun typep (object type) ; See compiler macro below.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3029 "Check that OBJECT is of type TYPE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3030 TYPE is a Common Lisp-style type specifier."
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
3031 (eval (cl-make-type-test 'object type)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3032
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3033 ;;;###autoload
446
1ccc32a20af4 Import from CVS: tag r21-2-38
cvs
parents: 444
diff changeset
3034 (defmacro check-type (place type &optional string)
1ccc32a20af4 Import from CVS: tag r21-2-38
cvs
parents: 444
diff changeset
3035 "Verify that PLACE is of type TYPE; signal a continuable error if not.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3036 STRING is an optional description of the desired type."
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3037 (and (or (not (cl-compiling-file))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3038 (< cl-optimize-speed 3) (= cl-optimize-safety 3))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3039 (let* ((temp (if (cl-simple-expr-p place 3) place (gensym)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3040 (test (cl-make-type-test temp type))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3041 (signal-error `(signal 'wrong-type-argument
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3042 ,(list 'list (or string (list 'quote type))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3043 temp (list 'quote place))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3044 (body
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3045 (condition-case nil
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3046 `(while (not ,test)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3047 ,(macroexpand `(setf ,place ,signal-error)))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3048 (error
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3049 `(if ,test (progn ,signal-error nil))))))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3050 (if (eq temp place) `(progn ,body nil)
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3051 `(let ((,temp ,place)) ,body nil)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3052
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3053 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3054 (defmacro assert (form &optional show-args string &rest args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3055 "Verify that FORM returns non-nil; signal an error if not.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3056 Second arg SHOW-ARGS means to include arguments of FORM in message.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3057 Other args STRING and ARGS... are arguments to be passed to `error'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3058 They are not evaluated unless the assertion fails. If STRING is
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3059 omitted, a default message listing FORM itself is used."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3060 (and (or (not (cl-compiling-file))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3061 (< cl-optimize-speed 3) (= cl-optimize-safety 3))
5614
281bf2b87915 Call #'cl-macroexpand-all in #'cl-transform-function-property
Aidan Kehoe <kehoea@parhasard.net>
parents: 5609
diff changeset
3062 (let ((sargs (and show-args
281bf2b87915 Call #'cl-macroexpand-all in #'cl-transform-function-property
Aidan Kehoe <kehoea@parhasard.net>
parents: 5609
diff changeset
3063 ;; #'remove-if isn't necessarily available yet.
281bf2b87915 Call #'cl-macroexpand-all in #'cl-transform-function-property
Aidan Kehoe <kehoea@parhasard.net>
parents: 5609
diff changeset
3064 (remove* t (cdr form) :key #'cl-const-expr-p))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3065 (list 'progn
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3066 (list 'or form
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3067 (if string
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3068 (list* 'error string (append sargs args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3069 (list 'signal '(quote cl-assertion-failed)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3070 (list* 'list (list 'quote form) sargs))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3071 nil))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3072
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3073 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3074 (defmacro ignore-errors (&rest body)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3075 "Execute BODY; if an error occurs, return nil.
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3076 Otherwise, return result of last form in BODY."
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3077 `(condition-case nil (progn ,@body) (error nil)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3078
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3079 ;; XEmacs addition
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3080 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3081 (defmacro ignore-file-errors (&rest body)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3082 "Execute FORMS; if an error of type `file-error' occurs, return nil.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3083 Otherwise, return result of last FORM."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3084 `(condition-case nil (progn ,@body) (file-error nil)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3085
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3086
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3087 ;;; Compiler macros.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3088
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3089 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3090 (defmacro define-compiler-macro (func args &rest body)
4695
fee33ab25966 Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4694
diff changeset
3091 "Define a compiler-only macro.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3092 This is like `defmacro', but macro expansion occurs only if the call to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3093 FUNC is compiled (i.e., not interpreted). Compiler macros should be used
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3094 for optimizing the way calls to FUNC are compiled; the form returned by
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3095 BODY should do the same thing as a call to the normal function called
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3096 FUNC, though possibly more efficiently. Note that, like regular macros,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3097 compiler macros are expanded repeatedly until no further expansions are
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3098 possible. Unlike regular macros, BODY can decide to \"punt\" and leave the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3099 original function call alone by declaring an initial `&whole foo' parameter
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3100 and then returning foo."
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3101 (let ((p (if (listp args) args (list '&rest args))) (res nil))
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3102 (while (consp p) (push (pop p) res))
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3103 (setq args (nconc (nreverse res) (and p (list '&rest p)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3104 (list 'eval-when '(compile load eval)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3105 (cl-transform-function-property
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3106 func 'cl-compiler-macro
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3107 (cons (if (memq '&whole args) (delq '&whole args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3108 (cons '--cl-whole-arg-- args)) body))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3109 (list 'or (list 'get (list 'quote func) '(quote byte-compile))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3110 (list 'put (list 'quote func) '(quote byte-compile)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3111 '(quote cl-byte-compile-compiler-macro)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3112
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3113 ;;;###autoload
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3114 (defun compiler-macroexpand (form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3115 (while
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3116 (let ((func (car-safe form)) (handler nil))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3117 (while (and (symbolp func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3118 (not (setq handler (get func 'cl-compiler-macro)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3119 (fboundp func)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3120 (or (not (eq (car-safe (symbol-function func)) 'autoload))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3121 (load (nth 1 (symbol-function func)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3122 (setq func (symbol-function func)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3123 (and handler
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3124 (not (eq form (setq form (apply handler form (cdr form))))))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3125 form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3126
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3127 (defun cl-byte-compile-compiler-macro (form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3128 (if (eq form (setq form (compiler-macroexpand form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3129 (byte-compile-normal-call form)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3130 (byte-compile-form form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3131
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3132 (defmacro defsubst* (name arglist &optional docstring &rest body)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3133 "Define NAME as a function.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3134 Like `defun', except the function is automatically declared `inline',
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3135 ARGLIST allows full Common Lisp conventions, and BODY is implicitly
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3136 surrounded by (block NAME ...)."
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3137 (let* ((argns (cl-arglist-args arglist)) (p argns)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3138 (exec-body (if (or (stringp docstring) (null docstring))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3139 body
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3140 (cons docstring body)))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3141 (pbody (cons 'progn exec-body))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3142 (unsafe (not (cl-safe-expr-p pbody))))
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3143 (while (and p (eq (cl-expr-contains arglist (car p)) 1)) (pop p))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3144 (list 'progn
5523
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3145 (if (or p (memq '&rest arglist))
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3146 ; Defaults refer to earlier args, or we would have to cons up
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3147 ; something for &rest:
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3148 (list 'proclaim-inline name)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3149 (list 'define-compiler-macro name
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3150 (if (memq '&key arglist)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3151 (list* '&whole 'cl-whole '&cl-quote arglist)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3152 (cons '&cl-quote arglist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3153 (list* 'cl-defsubst-expand (list 'quote argns)
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3154 (list 'quote (list* 'block name exec-body))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3155 (not (or unsafe (cl-expr-access-order pbody argns)))
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3156 (and (memq '&key arglist) 'cl-whole) unsafe argns)))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3157 (list* 'defun* name arglist docstring body))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3158
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3159 (defun cl-defsubst-expand (argns body simple whole unsafe &rest argvs)
5523
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3160 (if (and whole (not (cl-safe-expr-p (cons 'progn argvs))))
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3161 whole
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3162 (if (cl-simple-exprs-p argvs)
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3163 (setq simple t))
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3164 (let* ((symbol-macros nil)
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3165 (lets (mapcan #'(lambda (argn argv)
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3166 (if (or simple (cl-const-expr-p argv))
5569
d19b6e3bdf91 #'cl-defsubst-expand; avoid mutually-recursive symbol macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5567
diff changeset
3167 (progn
d19b6e3bdf91 #'cl-defsubst-expand; avoid mutually-recursive symbol macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5567
diff changeset
3168 ;; Avoid infinite loop on symbol macro
5570
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3169 ;; expansion:
5569
d19b6e3bdf91 #'cl-defsubst-expand; avoid mutually-recursive symbol macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5567
diff changeset
3170 (or (block find
5570
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3171 (subst nil argn argvs :test
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3172 #'(lambda (elt tree)
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3173 ;; Give nil if argn is
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3174 ;; in argvs somewhere:
5569
d19b6e3bdf91 #'cl-defsubst-expand; avoid mutually-recursive symbol macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5567
diff changeset
3175 (if (eq elt tree)
5570
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3176 (return-from find)))))
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3177 (let ((copy-symbol (copy-symbol argn)))
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3178 ;; Rename ARGN within BODY so it
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3179 ;; doesn't conflict with its value
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3180 ;; in the including scope:
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3181 (setq body
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3182 (cl-macroexpand-all
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3183 body `((,(eq-hash argn)
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3184 ,copy-symbol)))
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3185 argn copy-symbol)))
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3186 (push (list argn argv) symbol-macros)
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3187 (and unsafe (list (list argn argv))))
5523
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3188 (list (list argn argv))))
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3189 argns argvs)))
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3190 `(let ,lets
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3191 (symbol-macrolet
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3192 ;; #### Bug; this will happily substitute in places where the
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3193 ;; symbol is being shadowed in a different scope (e.g. inside
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3194 ;; let bindings or lambda expressions where it has been
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3195 ;; bound). We don't have GNU's issue where the replacement will
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3196 ;; be done when the symbol is used in a function context,
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3197 ;; because we're using #'symbol-macrolet instead of #'subst.
5570
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3198 ;;
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3199 ;; #'symbol-macrolet as specified by Common Lisp is shadowed by
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3200 ;; #'let, #'let* and lambda argument lists, and that would suit
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3201 ;; our purposes here perfectly; we could implement it in
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3202 ;; cl-macroexpand-all by shadowing any existing symbol macros
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3203 ;; when we descend let forms or arglist lambdas. Doing it
6c76f5b7e2e3 Be more careful still in #'cl-defsubst-expand.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5569
diff changeset
3204 ;; unconditionally could well break #'loop, though.
5523
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3205 ,symbol-macros
810b77562486 Improve #'defsubst* a little, document a bug that remains.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5522
diff changeset
3206 ,body)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3207
5379
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3208 ;; When a 64-bit build is byte-compiling code, some of its native fixnums
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3209 ;; will not be represented as fixnums if the byte-compiled code is read by
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3210 ;; the Lisp reader in a 32-bit build. So in that case we need to check the
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3211 ;; range of fixnums as well as their types. XEmacs doesn't support machines
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3212 ;; with word size less than 32, so it's OK to have that as the minimum.
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3213 (macrolet
5501
4813ff11c6e2 Correct the definition of #'cl-non-fixnum-number-p on 32-bit machines.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5476
diff changeset
3214 ((most-positive-fixnum-on-32-bit-machines () (1- (lsh 1 30)))
4813ff11c6e2 Correct the definition of #'cl-non-fixnum-number-p on 32-bit machines.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5476
diff changeset
3215 (most-negative-fixnum-on-32-bit-machines ()
4813ff11c6e2 Correct the definition of #'cl-non-fixnum-number-p on 32-bit machines.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5476
diff changeset
3216 (lognot (most-positive-fixnum-on-32-bit-machines))))
5379
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3217 (defun cl-non-fixnum-number-p (object)
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3218 "Return t if OBJECT is a number not guaranteed to be immediate."
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3219 (and (numberp object)
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3220 (or (not (fixnump object))
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3221 (not (<= (most-negative-fixnum-on-32-bit-machines)
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3222 object
a32a108ae815 #'cl-non-fixnum-number-p: return t for integers > #x3fffffff and < -#x40000000
Aidan Kehoe <kehoea@parhasard.net>
parents: 5376
diff changeset
3223 (most-positive-fixnum-on-32-bit-machines)))))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3224
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3225 ;;; Compile-time optimizations for some functions defined in this package.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3226 ;;; Note that cl.el arranges to force cl-macs to be loaded at compile-time,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3227 ;;; mainly to make sure these macros will be present.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3228
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3229 (define-compiler-macro eql (&whole form a b)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3230 (cond ((eq (cl-const-expr-p a) t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3231 (let ((val (cl-const-expr-val a)))
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3232 (if (cl-non-fixnum-number-p val)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3233 (list 'equal a b)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3234 (list 'eq a b))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3235 ((eq (cl-const-expr-p b) t)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3236 (let ((val (cl-const-expr-val b)))
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3237 (if (cl-non-fixnum-number-p val)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3238 (list 'equal a b)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3239 (list 'eq a b))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3240 (t form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3241
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3242 (macrolet
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3243 ((define-star-compiler-macros (&rest macros)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3244 "For `member*', `assoc*' and `rassoc*' with constant ITEM or
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3245 :test arguments, use the versions with explicit tests if that makes sense."
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3246 (list*
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3247 'progn
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3248 (mapcar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3249 (function*
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3250 (lambda ((star-function eq-function equal-function))
5329
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3251 `(define-compiler-macro ,star-function (&whole form &rest keys)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3252 (if (< (length form) 3)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3253 form
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3254 (condition-case nil
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3255 (symbol-macrolet ((not-constant '#:not-constant))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3256 (let* ((item (pop keys))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3257 (list (pop keys))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3258 (test-expr (plist-get keys :test ''eql))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3259 (test (cl-const-expr-val test-expr not-constant))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3260 (item-val (cl-const-expr-val item not-constant))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3261 (list-val (cl-const-expr-val list not-constant)))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3262 (if (and keys (not (and (eq :test (car keys))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3263 (eql 2 (length keys)))))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3264 form
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3265 (cond ((eq test 'eq) `(,',eq-function ,item ,list))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3266 ((eq test 'equal)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3267 `(,',equal-function ,item ,list))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3268 ((and (eq test 'eql)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3269 (not (eq not-constant item-val)))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3270 (if (cl-non-fixnum-number-p item-val)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3271 `(,',equal-function ,item ,list)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3272 `(,',eq-function ,item ,list)))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3273 ((and (eq test 'eql) (not (eq not-constant
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3274 list-val)))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3275 (if (some 'cl-non-fixnum-number-p list-val)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3276 `(,',equal-function ,item ,list)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3277 ;; This compiler macro used to limit
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3278 ;; calls to ,,eq-function to lists where
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3279 ;; all elements were either fixnums or
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3280 ;; symbols. There's no reason to do this.
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3281 `(,',eq-function ,item ,list)))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3282 ;; This is a hilariously specific case; see
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3283 ;; add-to-list in subr.el.
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3284 ((and (eq test not-constant)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3285 (eq 'or (car-safe test-expr))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3286 (eql 3 (length test-expr))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3287 (every #'cl-safe-expr-p (cdr form))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3288 `(if ,(second test-expr)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3289 (,',star-function ,item ,list :test
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3290 ,(second test-expr))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3291 (,',star-function
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3292 ,item ,list :test
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3293 ,(third test-expr)))))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3294 (t form)))))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3295 ;; No need to warn about a malformed property list,
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3296 ;; #'byte-compile-normal-call will do that for us.
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3297 (malformed-property-list form))))))
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3298 macros))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3299 (define-star-compiler-macros
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3300 (member* memq member)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3301 (assoc* assq assoc)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3302 (rassoc* rassq rassoc)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3303
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3304 (define-compiler-macro adjoin (&whole form a list &rest keys)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3305 (if (and (cl-simple-expr-p a) (cl-simple-expr-p list)
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3306 (not (memq :key keys)))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3307 (list 'if (list* 'member* a list keys) list (list 'cons a list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3308 form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3309
5338
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3310 (define-compiler-macro delete (&whole form &rest args)
5346
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3311 (if (eql 3 (length form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3312 (symbol-macrolet ((not-constant '#:not-constant))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3313 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3314 (if (and (cdr form) (not (eq not-constant cl-const-expr-val))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3315 (or (symbolp cl-const-expr-val) (fixnump cl-const-expr-val)
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3316 (characterp cl-const-expr-val)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3317 (cons 'delete* (cdr form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3318 `(delete* ,@(cdr form) :test #'equal))))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3319 form))
5338
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3320
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3321 (define-compiler-macro delq (&whole form &rest args)
5346
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3322 (if (eql 3 (length form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3323 (symbol-macrolet
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3324 ((not-constant '#:not-constant))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3325 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3326 (if (and (cdr form) (not (eq not-constant cl-const-expr-val))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3327 (not (cl-non-fixnum-number-p cl-const-expr-val)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3328 (cons 'delete* (cdr form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3329 `(delete* ,@(cdr form) :test #'eq))))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3330 form))
5338
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3331
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3332 (define-compiler-macro remove (&whole form &rest args)
5346
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3333 (if (eql 3 (length form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3334 (symbol-macrolet
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3335 ((not-constant '#:not-constant))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3336 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3337 (if (and (cdr form) (not (eq not-constant cl-const-expr-val))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3338 (or (symbolp cl-const-expr-val) (fixnump cl-const-expr-val)
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3339 (characterp cl-const-expr-val)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3340 (cons 'remove* (cdr form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3341 `(remove* ,@(cdr form) :test #'equal))))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3342 form))
5338
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3343
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3344 (define-compiler-macro remq (&whole form &rest args)
5346
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3345 (if (eql 3 (length form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3346 (symbol-macrolet
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3347 ((not-constant '#:not-constant))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3348 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3349 (if (and (cdr form) (not (eq not-constant cl-const-expr-val))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3350 (not (cl-non-fixnum-number-p cl-const-expr-val)))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3351 (cons 'remove* (cdr form))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3352 `(remove* ,@(cdr form) :test #'eq))))
b4ef3128160c Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5342
diff changeset
3353 form))
5338
8608eadee6ba Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5329
diff changeset
3354
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3355 (macrolet
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3356 ((define-foo-if-compiler-macros (&rest alist)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3357 "Avoid the funcall, variable binding and keyword parsing overhead
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3358 for the FOO-IF and FOO-IF-NOT functions, transforming to forms using the
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3359 non-standard :if and :if-not keywords at compile time."
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3360 (cons
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3361 'progn
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3362 (mapcar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3363 (function*
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3364 (lambda ((function-if . function))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3365 (let ((keyword (if (equal (substring (symbol-name function-if) -3)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3366 "not")
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3367 :if-not
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3368 :if)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3369 `(define-compiler-macro ,function-if (&whole form &rest args)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3370 (if (and (nthcdr 2 form)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3371 (or (consp (cl-const-expr-val (second form)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3372 (cl-safe-expr-p (second form))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3373 ;; It doesn't matter what the second argument is, it's
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3374 ;; ignored by FUNCTION. We know that the symbol
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3375 ;; FUNCTION is in the constants vector, so use it.
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3376 `(,',function ',',function ,(third form) ,,keyword
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3377 ,(second form) ,@(nthcdr 3 form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3378 form)))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3379 alist))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3380 (define-foo-if-compiler-macros
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3381 (remove-if . remove*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3382 (remove-if-not . remove*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3383 (delete-if . delete*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3384 (delete-if-not . delete*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3385 (find-if . find)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3386 (find-if-not . find)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3387 (position-if . position)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3388 (position-if-not . position)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3389 (count-if . count)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3390 (count-if-not . count)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3391 (member-if . member*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3392 (member-if-not . member*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3393 (assoc-if . assoc*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3394 (assoc-if-not . assoc*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3395 (rassoc-if . rassoc*)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3396 (rassoc-if-not . rassoc*)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3397
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3398 (macrolet
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3399 ((define-substitute-if-compiler-macros (&rest alist)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3400 "Like the above, but for `substitute-if' and friends."
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3401 (cons
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3402 'progn
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3403 (mapcar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3404 (function*
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3405 (lambda ((function-if . function))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3406 (let ((keyword (if (equal (substring (symbol-name function-if) -3)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3407 "not")
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3408 :if-not
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3409 :if)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3410 `(define-compiler-macro ,function-if (&whole form &rest args)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3411 (if (and (nthcdr 3 form)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3412 (or (consp (cl-const-expr-val (third form)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3413 (cl-safe-expr-p (third form))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3414 `(,',function ,(second form) ',',function ,(fourth form)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3415 ,,keyword ,(third form) ,@(nthcdr 4 form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3416 form)))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3417 alist))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3418 (define-substitute-if-compiler-macros
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3419 (substitute-if . substitute)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3420 (substitute-if-not . substitute)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3421 (nsubstitute-if . nsubstitute)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3422 (nsubstitute-if-not . nsubstitute)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3423
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3424 (macrolet
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3425 ((define-subst-if-compiler-macros (&rest alist)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3426 "Like the above, but for `subst-if' and friends."
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3427 (cons
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3428 'progn
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3429 (mapcar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3430 (function*
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3431 (lambda ((function-if . function))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3432 (let ((keyword (if (equal (substring (symbol-name function-if) -3)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3433 "not")
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3434 :if-not
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3435 :if)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3436 `(define-compiler-macro ,function-if (&whole form &rest args)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3437 (if (and (nthcdr 3 form)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3438 (or (consp (cl-const-expr-val (third form)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3439 (cl-safe-expr-p (third form))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3440 `(,',function ,(if (cl-const-expr-p (second form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3441 `'((nil . ,(cl-const-expr-val
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3442 (second form))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3443 `(list (cons ',',function
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3444 ,(second form))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3445 ,(fourth form) ,,keyword ,(third form)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3446 ,@(nthcdr 4 form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3447 form)))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3448 alist))))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3449 (define-subst-if-compiler-macros
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3450 (subst-if . sublis)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3451 (subst-if-not . sublis)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3452 (nsubst-if . nsublis)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3453 (nsubst-if-not . nsublis)))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3454
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3455 (define-compiler-macro list* (arg &rest others)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3456 (let* ((args (reverse (cons arg others)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3457 (form (car args)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3458 (while (setq args (cdr args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3459 (setq form (list 'cons (car args) form)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3460 form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3461
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3462 ;; XEmacs change: our builtin get takes the default argument
440
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 428
diff changeset
3463 (define-compiler-macro get* (sym prop &optional default)
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 428
diff changeset
3464 (list 'get sym prop default))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3465
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3466 (define-compiler-macro getf (sym prop &optional default)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3467 (list 'plist-get sym prop default))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3468
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3469 (define-compiler-macro typep (&whole form val type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3470 (if (cl-const-expr-p type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3471 (let ((res (cl-make-type-test val (cl-const-expr-val type))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3472 (if (or (memq (cl-expr-contains res val) '(nil 1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3473 (cl-simple-expr-p val)) res
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3474 (let ((temp (gensym)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3475 (list 'let (list (list temp val)) (subst temp val res)))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3476 form))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3477
5550
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3478 (define-compiler-macro apply-partially (&whole form &rest args)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3479 "Generate a #'make-byte-code call for #'apply-partially, if appropriate."
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3480 (if (< (length args) 1)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3481 form
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3482 (if (cl-const-exprs-p args)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3483 `#'(lambda (&rest args) (apply ,@args args))
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3484 (let* ((placeholders (mapcar 'quote-maybe (mapcar 'gensym args)))
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3485 (compiled (byte-compile-sexp
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3486 `#'(lambda (&rest args) (apply ,@placeholders args)))))
5553
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3487 (assert (equal (intersection
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3488 (mapcar 'quote-maybe (compiled-function-constants
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3489 compiled))
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3490 placeholders :test 'equal :stable t)
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3491 placeholders)
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3492 t "This macro requires that the relative order is the same\
62edcc6a11ec Add an assertion about argument order to #'apply-partially compiler macro
Aidan Kehoe <kehoea@parhasard.net>
parents: 5550
diff changeset
3493 in the constants vector and in the arguments")
5550
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3494 `(make-byte-code
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3495 ',(compiled-function-arglist compiled)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3496 ,(compiled-function-instructions compiled)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3497 (vector ,@(sublis (pairlis placeholders args)
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3498 (mapcar 'quote-maybe
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3499 (compiled-function-constants compiled))
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3500 :test 'equal))
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3501 ,(compiled-function-stack-depth compiled))))))
b908c7265a2b Add the #'apply-partially API, as used by GNU.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5525
diff changeset
3502
5085
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3503 (define-compiler-macro delete-dups (list)
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3504 `(delete-duplicates (the list ,list) :test #'equal :from-end t))
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3505
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3506 ;; XEmacs; inline delete-duplicates if it's called with one of the
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3507 ;; common compile-time constant tests and an optional :from-end
1ee30d3f9dd0 Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5084
diff changeset
3508 ;; argument, we want the speed in font-lock.el.
5317
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3509 (define-compiler-macro delete-duplicates (&whole form &rest cl-keys)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3510 (let ((cl-seq (if cl-keys (pop cl-keys))))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3511 (if (or
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3512 (not (or (memq (car-safe cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3513 ;; No need to check for a list at runtime with
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3514 ;; these. We could expand the list, but these are all
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3515 ;; the functions in the relevant context at the moment.
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3516 '(nreverse append nconc mapcan mapcar string-to-list))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3517 (and (listp cl-seq) (equal (butlast cl-seq) '(the list)))))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3518 ;; Wrong number of arguments.
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3519 (not (cdr form)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3520 form
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3521 (cond
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3522 ((or (plists-equal cl-keys '(:test 'eq) t)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3523 (plists-equal cl-keys '(:test #'eq) t))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3524 `(let* ((begin ,cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3525 cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3526 (while (memq (car begin) (cdr begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3527 (setq begin (cdr begin)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3528 (setq cl-seq begin)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3529 (while (cddr cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3530 (if (memq (cadr cl-seq) (cddr cl-seq))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3531 (setcdr (cdr cl-seq) (cddr cl-seq)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3532 (setq cl-seq (cdr cl-seq)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3533 begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3534 ((or (plists-equal cl-keys '(:test 'eq :from-end t) t)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3535 (plists-equal cl-keys '(:test #'eq :from-end t) t))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3536 `(let* ((begin ,cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3537 (cl-seq begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3538 (while cl-seq
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3539 (setq cl-seq (setcdr cl-seq
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3540 (delq (car cl-seq) (cdr cl-seq)))))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3541 begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3542 ((or (plists-equal cl-keys '(:test 'equal) t)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3543 (plists-equal cl-keys '(:test #'equal) t))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3544 `(let* ((begin ,cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3545 cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3546 (while (member (car begin) (cdr begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3547 (setq begin (cdr begin)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3548 (setq cl-seq begin)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3549 (while (cddr cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3550 (if (member (cadr cl-seq) (cddr cl-seq))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3551 (setcdr (cdr cl-seq) (cddr cl-seq)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3552 (setq cl-seq (cdr cl-seq)))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3553 begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3554 ((or (plists-equal cl-keys '(:test 'equal :from-end t) t)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3555 (plists-equal cl-keys '(:test #'equal :from-end t) t))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3556 `(let* ((begin ,cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3557 (cl-seq begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3558 (while cl-seq
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3559 (setq cl-seq (setcdr cl-seq (delete (car cl-seq)
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3560 (cdr cl-seq)))))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3561 begin))
8aa511adfad6 #'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents: 5316
diff changeset
3562 (t form)))))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3563
4723
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3564 ;; XEmacs; it's perfectly reasonable, and often much clearer to those
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3565 ;; reading the code, to call regexp-quote on a constant string, which is
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3566 ;; something we can optimise here easily.
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3567 (define-compiler-macro regexp-quote (&whole form string)
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3568 (if (stringp string)
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3569 (regexp-quote string)
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3570 form))
ebca981a0012 If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4719
diff changeset
3571
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3572 ;; NOTE: `equalp' is now a primitive, although as of yet it still doesn't
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3573 ;; have a byte-compiler opcode for it. The compiler-macro for `equalp' used
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3574 ;; to try and remove as much as possible of the logic of the Lisp `equalp' as
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3575 ;; possible whenever one of the arguments is a constant, boiling things down
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3576 ;; to a few if-statements and some calls to various no-longer-defined
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3577 ;; helper functions. Besides the fact that the helper functions aren't
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3578 ;; defined, there's little point in doing any of that expansion, since it will
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3579 ;; end up executing in Lisp what would otherwise be done in C by a direct
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3580 ;; call to `equalp'. The only exception is when the reduction is quite
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3581 ;; simple and is to functions that do have op-codes; that may gain something.
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3582 ;; However, if `equalp' becomes an opcode itself, consider removing everything
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3583 ;; here except maybe when the call can directly be reduced to `equal' or `eq'.
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3584 ;;
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3585 ;; --ben
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3586
4792
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3587 (define-compiler-macro equalp (&whole form x y)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3588 "Expand calls to `equalp' where X or Y is a constant expression.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3589
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3590 Much of the processing that `equalp' does is dependent on the types of both
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3591 of its arguments, and with type information for one of them, we can
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3592 eliminate much of the body of the function at compile time.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3593
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3594 Where both X and Y are constant expressions, `equalp' is evaluated at
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3595 compile time by byte-optimize.el--this compiler macro passes FORM through to
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3596 the byte optimizer in those cases."
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3597 ;; Cases where both arguments are constant are handled in
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3598 ;; byte-optimize.el, we only need to handle those cases where one is
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3599 ;; constant here.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3600 (let* ((equalp-sym (eval-when-compile (gensym)))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3601 (let-form '(progn))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3602 (original-y y)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3603 equalp-temp checked)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3604 (macrolet
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3605 ((unordered-check (check)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3606 `(prog1
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3607 (setq checked
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3608 (or ,check
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3609 (prog1 ,(sublis '((x . y) (y . x)) check :test #'eq)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3610 (setq equalp-temp x x y y equalp-temp))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3611 (when checked
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3612 (unless (symbolp y)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3613 (setq let-form `(let ((,equalp-sym ,y))) y equalp-sym))))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3614 ;; In the bodies of the below clauses, x is always a constant expression
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3615 ;; of the type we're interested in, and y is always a symbol that refers
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3616 ;; to the result non-constant side of the comparison.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3617 (cond ((unordered-check (and (arrayp x) (not (cl-const-expr-p y))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3618 ;; Strings and other arrays. A vector containing the same
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3619 ;; character elements as a given string is equalp to that string;
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3620 ;; a bit-vector can only be equalp to a string if both are
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3621 ;; zero-length.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3622 (cond
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3623 ((member x '("" #* []))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3624 ;; No need to protect against multiple evaluation here:
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3625 `(and (member ,original-y '("" #* [])) t))
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3626 (t form)))
4792
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3627 ((unordered-check (and (numberp x) (not (cl-const-expr-p y))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3628 `(,@let-form
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3629 (and (numberp ,y)
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3630 (= ,x ,y))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3631 ((unordered-check (and (hash-table-p x) (not (cl-const-expr-p y))))
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3632 form)
4792
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3633 ((unordered-check
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3634 ;; Symbols; eq.
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3635 (and (not (cl-const-expr-p y))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3636 (or (memq x '(nil t))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3637 (and (eq (car-safe x) 'quote) (symbolp (second x))))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3638 (cons 'eq (cdr form)))
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3639
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3640 ;; This clause is wrong -- e.g. when comparing a constant char-table
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3641 ;; against a non-constant expression that evaluates to a char-table,
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3642 ;; or some for range tables or certain other types, `equalp' is
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3643 ;; not the same as `equal'. We could insert the known list of
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3644 ;; types with special `equalp' property, but it's fragile and may
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3645 ;; not be much of an optimization, esp. since these types don't
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3646 ;; occur that often are often big.
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3647 ;;((unordered-check
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3648 ;; ;; Compare conses at runtime, there's no real upside to
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3649 ;; ;; unrolling the function -> they fall through to the next
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3650 ;; ;; clause in this function.
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3651 ;; (and (cl-const-expr-p x) (not (consp x))
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3652 ;; (not (cl-const-expr-p y))))
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3653 ;; ;; All other types; use equal.
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3654 ;; (cons 'equal (cdr form)))
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4885
diff changeset
3655
4792
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3656 ;; Neither side is a constant expression, do all our evaluation at
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3657 ;; runtime (or both are, and equalp will be called from
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3658 ;; byte-optimize.el).
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3659 (t form)))))
95b04754ea8c Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4783
diff changeset
3660
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3661 (define-compiler-macro notany (&whole form &rest cl-rest)
5153
f552caabf58b Correct the notany, notevery compiler macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5099
diff changeset
3662 `(not (some ,@(cdr form))))
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3663
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3664 (define-compiler-macro notevery (&whole form &rest cl-rest)
5153
f552caabf58b Correct the notany, notevery compiler macros.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5099
diff changeset
3665 `(not (every ,@(cdr form))))
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3666
5056
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3667 (define-compiler-macro constantly (&whole form value &rest more-values)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3668 (cond
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3669 ((< (length form) 2)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3670 ;; Error at runtime:
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3671 form)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3672 ((cl-const-exprs-p (cdr form))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3673 `#'(lambda (&rest ignore) (values ,@(cdr form))))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3674 (t
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3675 (let* ((num-values (length (cdr form)))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3676 (placeholders-counts (make-vector num-values -1))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3677 (placeholders (loop
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3678 for i from 0 below num-values
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3679 collect (make-symbol (format "%d" i))))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3680 (compiled
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3681 (byte-compile-sexp
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3682 `#'(lambda (&rest ignore)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3683 ;; Compiles to a references into the compiled function
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3684 ;; constants vector:
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3685 (values ,@(mapcar #'quote-maybe placeholders)))))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3686 position)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3687 `(make-byte-code '(&rest ignore)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3688 ,(compiled-function-instructions compiled)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3689 (vector ,@(loop
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3690 for constant across (compiled-function-constants compiled)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3691 collect (if (setq position
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3692 (position constant placeholders))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3693 (prog2
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3694 (incf (aref placeholders-counts position))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3695 (nth position (cdr form)))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3696 (quote-maybe constant))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3697 finally
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3698 (assert (every #'zerop placeholders-counts)
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3699 t "Placeholders should each have been used once")))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3700 ,(compiled-function-stack-depth compiled))))))
6aba0daedb7c Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4997
diff changeset
3701
5182
2e528066e2fc Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5153
diff changeset
3702 (define-compiler-macro stable-sort (&whole form &rest cl-rest)
2e528066e2fc Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5153
diff changeset
3703 (cons 'sort* (cdr form)))
2e528066e2fc Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5153
diff changeset
3704
5219
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3705 (define-compiler-macro svref (&whole form)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3706 (cons 'aref (cdr form)))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3707
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3708 (define-compiler-macro acons (a b c)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3709 `(cons (cons ,a ,b) ,c))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3710
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3711 (define-compiler-macro pairlis (a b &optional c)
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3712 `(nconc (mapcar* #'cons ,a ,b) ,c))
2d0937dc83cf Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents: 5182
diff changeset
3713
5380
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3714 (define-compiler-macro revappend (&whole form &rest args)
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3715 (if (eql 3 (length form)) `(nconc (reverse ,(pop args)) ,(pop args)) form))
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3716
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3717 (define-compiler-macro nreconc (&whole form &rest args)
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3718 (if (eql 3 (length form)) `(nconc (nreverse ,(pop args)) ,(pop args)) form))
919c77c567bb Add compiler macros for #'revappend, #'nreconc.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5379
diff changeset
3719
5226
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3720 (define-compiler-macro complement (&whole form fn)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3721 (if (or (eq (car-safe fn) 'function) (eq (car-safe fn) 'quote))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3722 (cond
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3723 ((and (symbolp (second fn)) (get (second fn) 'byte-compile-negated-op))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3724 (list 'function (get (second fn) 'byte-compile-negated-op)))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3725 ((and (symbolp (second fn)) (fboundp (second fn))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3726 (compiled-function-p (indirect-function (second fn))))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3727 (let* ((cf (indirect-function (second fn)))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3728 (cfa (compiled-function-arglist cf))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3729 (do-apply (memq '&rest cfa)))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3730 `#'(lambda ,cfa
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3731 (not (,@(if do-apply `(apply ',(second fn)) (list (second fn)))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3732 ,@(remq '&optional
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3733 (remq '&rest cfa)))))))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3734 (t
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3735 `#'(lambda (&rest arguments)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3736 (not (apply ,fn arguments)))))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3737 ;; Determine the function to call at runtime.
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3738 (destructuring-bind
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3739 (arglist instructions constants stack-depth)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3740 (let ((compiled-lambda
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3741 (byte-compile-sexp
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3742 #'(lambda (&rest arguments)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3743 (not (apply 'placeholder arguments))))))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3744 (list
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3745 (compiled-function-arglist compiled-lambda)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3746 (compiled-function-instructions compiled-lambda)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3747 (append (compiled-function-constants compiled-lambda) nil)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3748 (compiled-function-stack-depth compiled-lambda)))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3749 `(make-byte-code
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3750 ',arglist ,instructions (vector
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3751 ,@(nsublis
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3752 (list (cons (quote-maybe
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3753 'placeholder)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3754 fn))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3755 (mapcar #'quote-maybe constants)
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3756 :test #'equal))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3757 ,stack-depth))))
7789ae555c45 Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5219
diff changeset
3758
5242
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3759 (define-compiler-macro concatenate (&whole form type &rest seqs)
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3760 (if (and (cl-const-expr-p type) (memq (cl-const-expr-val type)
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3761 '(vector bit-vector list string)))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3762 (case (cl-const-expr-val type)
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3763 (list (append (list 'append) (cddr form) '(nil)))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3764 (vector (cons 'vconcat (cddr form)))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3765 (bit-vector (cons 'bvconcat (cddr form)))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3766 (string (cons 'concat (cddr form))))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3767 form))
f3eca926258e Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5226
diff changeset
3768
5294
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3769 (define-compiler-macro subst-char-in-string (&whole form fromchar tochar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3770 string &optional inplace)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3771 (if (every #'cl-safe-expr-p (cdr form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3772 `(funcall (if ,inplace #'nsubstitute #'substitute) ,tochar ,fromchar
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3773 (the string ,string) :test #'eq)
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3774 form))
bbff29a01820 Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5285
diff changeset
3775
5522
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3776 (define-compiler-macro assoc-ignore-case (&whole form &rest args)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3777 (if (eql 2 (length args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3778 `(assoc* (the string ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3779 (the (and list (satisfies
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3780 (lambda (list)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3781 (not (find-if-not 'stringp list :key 'car)))))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3782 ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3783 :test 'equalp)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3784 form))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3785
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3786 (define-compiler-macro assoc-ignore-representation (&whole form &rest args)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3787 (if (eql 2 (length args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3788 `(assoc* (the string ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3789 (the (and list (satisfies
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3790 (lambda (list)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3791 (not (find-if-not 'stringp list :key 'car)))))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3792 ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3793 :test 'equalp)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3794 form))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3795
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3796 (define-compiler-macro member-ignore-case (&whole form &rest args)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3797 (if (eql 2 (length args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3798 `(member* (the string ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3799 (the (and list (satisfies
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3800 (lambda (list) (every 'stringp list))))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3801 ,(pop args))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3802 :test 'equalp)
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3803 form))
544e6336d37c Reimplement a few GNU functions in terms of CL functions, subr.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5514
diff changeset
3804
5329
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3805 (define-compiler-macro stable-union (&whole form &rest cl-keys)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3806 (if (> (length form) 2)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3807 (list* 'union (pop cl-keys) (pop cl-keys) :stable t cl-keys)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3808 form))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3809
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3810 (define-compiler-macro stable-intersection (&whole form &rest cl-keys)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3811 (if (> (length form) 2)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3812 (list* 'intersection (pop cl-keys) (pop cl-keys) :stable t cl-keys)
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3813 form))
7b391d07b334 Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents: 5326
diff changeset
3814
5266
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3815 (map nil
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3816 #'(lambda (function)
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3817 ;; There are byte codes for the two-argument versions of these
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3818 ;; functions; if the form has more arguments and those arguments
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3819 ;; have no side effects, transform to a series of two-argument
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3820 ;; calls.
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3821 (put function 'cl-compiler-macro
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3822 #'(lambda (form &rest arguments)
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3823 (if (or (null (nthcdr 3 form))
5314
596011a8bf8f = < > <= >=: it's OK to use the compiler macro when first, last args side effect
Aidan Kehoe <kehoea@parhasard.net>
parents: 5313
diff changeset
3824 (notevery #'cl-safe-expr-p (butlast (cdr arguments))))
5266
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3825 form
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3826 (cons 'and (mapcon
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3827 #'(lambda (rest)
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3828 (and (cdr rest)
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3829 `((,(car form) ,(pop rest)
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3830 ,(car rest)))))
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3831 (cdr form)))))))
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3832 '(= < > <= >=))
f9ec07abdbf9 Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents: 5263
diff changeset
3833
5313
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3834 ;; XEmacs; unroll this loop at macro-expansion time, so the compiler macros
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3835 ;; are byte-compiled.
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3836 (macrolet
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3837 ((inline-side-effect-free-compiler-macros (&rest details)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3838 (cons
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3839 'progn
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3840 (loop
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3841 for (function . details) in details
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3842 nconc `((put ',function 'side-effect-free t)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3843 (define-compiler-macro ,function (&whole form x)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3844 ,(if (symbolp (car details))
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3845 (reduce #'(lambda (object1 object2)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3846 `(list ',object1 ,object2))
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3847 details :from-end t :initial-value 'x)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3848 (cons 'list details))))))))
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3849 (inline-side-effect-free-compiler-macros
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3850 (first 'car x) (second 'cadr x) (third 'caddr x) (fourth 'cadddr x)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3851 (fifth 'nth 4 x) (sixth 'nth 5 x) (seventh 'nth 6 x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3852 (eighth 'nth 7 x) (ninth 'nth 8 x) (tenth 'nth 9 x)
5285
99de5fd48e87 Tighten up Common Lisp compatibility, #'butlast, #'nbutlast, #'tailp, #'ldiff
Aidan Kehoe <kehoea@parhasard.net>
parents: 5269
diff changeset
3853 (rest 'cdr x) (plusp '> x 0) (minusp '< x 0)
5313
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3854 (oddp 'eql (list 'logand x 1) 1)
5ed261fd2bd9 Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5305
diff changeset
3855 (evenp 'eql (list 'logand x 1) 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3856 (caar car car) (cadr car cdr) (cdar cdr car) (cddr cdr cdr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3857 (caaar car caar) (caadr car cadr) (cadar car cdar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3858 (caddr car cddr) (cdaar cdr caar) (cdadr cdr cadr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3859 (cddar cdr cdar) (cdddr cdr cddr) (caaaar car caaar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3860 (caaadr car caadr) (caadar car cadar) (caaddr car caddr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3861 (cadaar car cdaar) (cadadr car cdadr) (caddar car cddar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3862 (cadddr car cdddr) (cdaaar cdr caaar) (cdaadr cdr caadr)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3863 (cdadar cdr cadar) (cdaddr cdr caddr) (cddaar cdr cdaar)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3864 (cddadr cdr cdadr) (cdddar cdr cddar) (cddddr cdr cdddr)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3865
5339
ba62563ec7c7 Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5338
diff changeset
3866 ;;; Things that are inline. XEmacs; the functions that used to be here have
ba62563ec7c7 Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5338
diff changeset
3867 ;;; compiler macros or are built-in.
ba62563ec7c7 Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents: 5338
diff changeset
3868 (proclaim '(inline cl-set-elt))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3869
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3870 ;;; Things that are side-effect-free. Moved to byte-optimize.el
5580
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3871 ;[...]
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3872
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3873 ;;; Things that are side-effect-and-error-free. Moved to byte-optimize.el
5580
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3874 ;[...]
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3875
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3876 ;; XEmacs; move the following macros to the end of this file, since the
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3877 ;; override the versions in byte-compile-initial-macro-environment for the
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3878 ;; duration of the file they're defined in.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3879
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3880 ;;;###autoload
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3881 (defmacro the (type form)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3882 "Assert that FORM gives a result of type TYPE, and return that result.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3883
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3884 TYPE is a Common Lisp type specifier.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3885
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3886 If macro expansion of a `the' form happens during byte compilation, and the
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3887 byte compiler customization variable `byte-compile-delete-errors' is
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3888 non-nil, `the' is equivalent to FORM without any type checks."
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3889 (if (cl-safe-expr-p form)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3890 `(prog1 ,form (assert ,(cl-make-type-test form type) t))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3891 (let ((saved (gensym)))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3892 `(let ((,saved ,form))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3893 (prog1 ,saved (assert ,(cl-make-type-test saved type) t))))))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3894
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3895 ;;;###autoload
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3896 (defmacro declare (&rest specs)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3897 nil)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3898
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3899 ;;;###autoload
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3900 (defmacro load-time-value (form &optional read-only)
5609
3152c2c21461 Correct and clarify docstring, #'load-time-value
Aidan Kehoe <kehoea@parhasard.net>
parents: 5580
diff changeset
3901 "Evaluate FORM once at load time if byte-compiled.
3152c2c21461 Correct and clarify docstring, #'load-time-value
Aidan Kehoe <kehoea@parhasard.net>
parents: 5580
diff changeset
3902
3152c2c21461 Correct and clarify docstring, #'load-time-value
Aidan Kehoe <kehoea@parhasard.net>
parents: 5580
diff changeset
3903 The result of FORM is returned and stored for later access. In
3152c2c21461 Correct and clarify docstring, #'load-time-value
Aidan Kehoe <kehoea@parhasard.net>
parents: 5580
diff changeset
3904 interpreted code, `load-time-value' is equivalent to `progn'."
5580
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3905 (list 'progn form))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3906
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3907 ;;;###autoload
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3908 (defmacro labels (bindings &rest body)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3909 "Make temporary function bindings.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3910
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3911 This is like `flet', except the bindings are lexical instead of dynamic.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3912 Unlike `flet', this macro is compliant with the Common Lisp standard with
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3913 regard to the scope and extent of the function bindings.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3914
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3915 Each function may be called from within FORM, from within the BODY of the
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3916 function itself (that is, recursively), and from any other function bodies
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3917 in FUNCTIONS.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3918
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3919 Within FORM, to access the function definition of a bound function (for
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3920 example, to pass it as a FUNCTION argument to `map'), quote its symbol name
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3921 using `function'.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3922
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3923 arguments: (((FUNCTION ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3924 "
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3925 ;; XEmacs; the byte-compiler has a much better implementation of `labels'
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3926 ;; in `byte-compile-initial-macro-environment' that is used in compiled
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3927 ;; code.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3928 (let ((vars nil) (sets nil)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3929 (byte-compile-macro-environment byte-compile-macro-environment))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3930 (while bindings
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3931 (let ((var (gensym)))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3932 (push var vars)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3933 (push `#'(lambda ,@(cdr (cl-transform-lambda (cdar bindings)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3934 (caar bindings)))) sets)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3935 (push var sets)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3936 (push (list (car (pop bindings)) 'lambda '(&rest cl-labels-args)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3937 (list 'list* '(quote funcall) (list 'quote var)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3938 'cl-labels-args))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3939 byte-compile-macro-environment)))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3940 (cl-macroexpand-all (list* 'lexical-let vars (cons (cons 'setq sets) body))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3941 byte-compile-macro-environment)))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3942
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3943 ;;;###autoload
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3944 (defmacro flet (functions &rest form)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3945 "Make temporary function definitions.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3946
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3947 This is an analogue of `let' that operates on the function cell of FUNC
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3948 rather than its value cell. The FORMs are evaluated with the specified
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3949 function definitions in place, then the definitions are undone (the FUNCs go
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3950 back to their previous definitions, or lack thereof). This is in
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3951 contravention of Common Lisp, where `flet' makes a lexical, not a dynamic,
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3952 function binding.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3953
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3954 Normally you should use `labels', not `flet'; `labels' does not have the
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3955 problems caused by dynamic scope, is less expensive when byte-compiled, and
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3956 allows lexical shadowing of functions with byte-codes and byte-compile
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3957 methods, where `flet' will fail. The byte-compiler will warn when this
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3958 happens.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3959
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3960 If you need to shadow some existing function at run time, and that function
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3961 has no associated byte code or compiler macro, then `flet' is appropriate.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3962
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3963 arguments: (((FUNCTION ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)"
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3964 ;; XEmacs; leave warnings, errors and modifications of
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3965 ;; byte-compile-function-environment to the byte compiler. See
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3966 ;; byte-compile-initial-macro-environment in bytecomp.el.
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3967 (list*
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3968 'letf*
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3969 (mapcar
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3970 (function*
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3971 (lambda ((function . definition))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3972 `((symbol-function ',function)
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3973 ,(cons 'lambda (cdr (cl-transform-lambda definition function))))))
a0e81357194e Move macros with shadows in bytecomp.el to the end of the files, cl-macs
Aidan Kehoe <kehoea@parhasard.net>
parents: 5574
diff changeset
3974 functions) form))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3975
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3976 (run-hooks 'cl-macs-load-hook)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3977
2153
393039450288 [xemacs-hg @ 2004-06-26 21:25:23 by james]
james
parents: 1580
diff changeset
3978 ;;; arch-tag: afd947a6-b553-4df1-bba5-000be6388f46
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3979 ;;; cl-macs.el ends here