Mercurial > hg > xemacs-beta
annotate lisp/cl-macs.el @ 5219:2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
2010-05-30 Aidan Kehoe <kehoea@parhasard.net>
* cl.el: Remove extraneous empty lines.
Remove the commented-out Lisp implementation of #'last,
#'copy-list.
Remove #'cl-maclisp-member.
(acons, pairlis): Have the argument list reflect the docstring for
these functions.
* cl-macs.el (defun*): Have the argument list reflect the
docstring.
Document the syntax of keywords in ARGLIST.
(defmacro*): Have the argument list reflect the docstring.
Document &body, &whole and &environment.
(function*): Have the argument list reflect the docstring.
(loop): Have the argument list reflect the docstring.
(eval-when, dolist, dotimes, do-symbols, flet, labels, macrolet,
symbol-macrolet):
Specify the argument list using the arguments: (...) syntax.
(define-setf-method, rotatef, defsubst*): Have the argument list
reflect the docstring.
(letf, letf*):
Specify the argument list using the arguments: (...) syntax.
(svref, acons, pairlis): Add compiler macros for these functions.
* cl-extra.el: Remove the commented-out Lisp implementation of
#'equalp. If we want to look at it, it's in version control.
(cl-expt): Remove this. The subr #'expt is always available.
Call #'cl-float-limits at dump time.
Remove the commented-out Lisp implementation of #'subseq.
(concatenate): Use (error 'invalid-argument ...) here, if TYPE is
not understood.
(list-length): Don't manually get the length of a list, call
#'length and return nil if the list is circular.
* byte-optimize.el (equalp): This needs
byte-optimize-binary-predicate as its optimizer, as do the other
equality predicates.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 30 May 2010 13:27:36 +0100 |
| parents | 2e528066e2fc |
| children | 7789ae555c45 |
| rev | line source |
|---|---|
| 613 | 1 ;;; cl-macs.el --- Common Lisp extensions for XEmacs Lisp (part four) |
| 428 | 2 |
| 2153 | 3 ;; Copyright (C) 1993, 2003, 2004 Free Software Foundation, Inc. |
|
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4 ;; Copyright (C) 2002, 2010 Ben Wing. |
| 428 | 5 |
| 6 ;; Author: Dave Gillespie <daveg@synaptics.com> | |
| 7 ;; Version: 2.02 | |
| 8 ;; Keywords: extensions | |
| 9 | |
| 10 ;; This file is part of XEmacs. | |
| 11 | |
| 12 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 13 ;; under the terms of the GNU General Public License as published by | |
| 14 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 15 ;; any later version. | |
| 16 | |
| 17 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 ;; General Public License for more details. | |
| 21 | |
| 22 ;; You should have received a copy of the GNU General Public License | |
| 23 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
| 24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 25 ;; 02111-1307, USA. | |
| 26 | |
| 2153 | 27 ;;; Synched up with: FSF 21.3. |
| 428 | 28 |
| 29 ;;; Commentary: | |
| 30 | |
| 31 ;; These are extensions to Emacs Lisp that provide a degree of | |
| 32 ;; Common Lisp compatibility, beyond what is already built-in | |
| 33 ;; in Emacs Lisp. | |
| 34 ;; | |
| 35 ;; This package was written by Dave Gillespie; it is a complete | |
| 36 ;; rewrite of Cesar Quiroz's original cl.el package of December 1986. | |
| 37 ;; | |
| 38 ;; Bug reports, comments, and suggestions are welcome! | |
| 39 | |
| 40 ;; This file contains the portions of the Common Lisp extensions | |
| 41 ;; package which should be autoloaded, but need only be present | |
| 42 ;; if the compiler or interpreter is used---this file is not | |
| 43 ;; necessary for executing compiled code. | |
| 44 | |
| 45 ;; See cl.el for Change Log. | |
| 46 | |
| 47 | |
| 48 ;;; Code: | |
| 49 | |
| 50 (or (memq 'cl-19 features) | |
| 51 (error "Tried to load `cl-macs' before `cl'!")) | |
| 52 | |
| 53 | |
| 54 (defmacro cl-pop2 (place) | |
| 55 (list 'prog1 (list 'car (list 'cdr place)) | |
| 56 (list 'setq place (list 'cdr (list 'cdr place))))) | |
| 57 (put 'cl-pop2 'edebug-form-spec 'edebug-sexps) | |
| 58 | |
| 59 (defvar cl-optimize-safety) | |
| 60 (defvar cl-optimize-speed) | |
| 61 | |
| 62 | |
| 63 ;;; This kludge allows macros which use cl-transform-function-property | |
| 64 ;;; to be called at compile-time. | |
| 65 | |
| 66 (require | |
| 67 (progn | |
| 68 (or (fboundp 'cl-transform-function-property) | |
| 69 (defalias 'cl-transform-function-property | |
| 70 #'(lambda (n p f) | |
| 71 (list 'put (list 'quote n) (list 'quote p) | |
| 72 (list 'function (cons 'lambda f)))))) | |
| 442 | 73 'xemacs)) |
| 428 | 74 |
| 75 | |
| 76 ;;; Initialization. | |
| 77 | |
| 78 (defvar cl-old-bc-file-form nil) | |
| 79 | |
| 80 ;;;###autoload | |
| 81 (defun cl-compile-time-init () | |
| 82 (run-hooks 'cl-hack-bytecomp-hook)) | |
| 83 | |
| 84 | |
| 2153 | 85 ;;; Some predicates for analyzing Lisp forms. These are used by various |
| 86 ;;; macro expanders to optimize the results in certain common cases. | |
| 87 | |
| 88 (defconst cl-simple-funcs '(car cdr nth aref elt if and or + - 1+ 1- min max | |
| 89 car-safe cdr-safe progn prog1 prog2)) | |
| 90 (defconst cl-safe-funcs '(* / % length memq list vector vectorp | |
| 91 < > <= >= = error)) | |
| 92 | |
| 93 ;;; Check if no side effects, and executes quickly. | |
| 94 (defun cl-simple-expr-p (x &optional size) | |
| 95 (or size (setq size 10)) | |
| 96 (if (and (consp x) (not (memq (car x) '(quote function function*)))) | |
| 97 (and (symbolp (car x)) | |
| 98 (or (memq (car x) cl-simple-funcs) | |
| 99 (get (car x) 'side-effect-free)) | |
| 100 (progn | |
| 101 (setq size (1- size)) | |
| 102 (while (and (setq x (cdr x)) | |
| 103 (setq size (cl-simple-expr-p (car x) size)))) | |
| 104 (and (null x) (>= size 0) size))) | |
| 105 (and (> size 0) (1- size)))) | |
| 106 | |
| 107 (defun cl-simple-exprs-p (xs) | |
| 108 (while (and xs (cl-simple-expr-p (car xs))) | |
| 109 (setq xs (cdr xs))) | |
| 110 (not xs)) | |
| 111 | |
| 112 ;;; Check if no side effects. | |
| 113 (defun cl-safe-expr-p (x) | |
| 114 (or (not (and (consp x) (not (memq (car x) '(quote function function*))))) | |
| 115 (and (symbolp (car x)) | |
| 116 (or (memq (car x) cl-simple-funcs) | |
| 117 (memq (car x) cl-safe-funcs) | |
| 118 (get (car x) 'side-effect-free)) | |
| 119 (progn | |
| 120 (while (and (setq x (cdr x)) (cl-safe-expr-p (car x)))) | |
| 121 (null x))))) | |
| 122 | |
| 123 ;;; Check if constant (i.e., no side effects or dependencies). | |
| 124 (defun cl-const-expr-p (x) | |
| 125 (cond ((consp x) | |
| 126 (or (eq (car x) 'quote) | |
| 127 (and (memq (car x) '(function function*)) | |
| 128 (or (symbolp (nth 1 x)) | |
| 129 (and (eq (car-safe (nth 1 x)) 'lambda) 'func))))) | |
| 130 ((symbolp x) (and (memq x '(nil t)) t)) | |
| 131 (t t))) | |
| 132 | |
| 133 (defun cl-const-exprs-p (xs) | |
| 134 (while (and xs (cl-const-expr-p (car xs))) | |
| 135 (setq xs (cdr xs))) | |
| 136 (not xs)) | |
| 137 | |
| 138 (defun cl-const-expr-val (x) | |
| 139 (and (eq (cl-const-expr-p x) t) (if (consp x) (nth 1 x) x))) | |
| 140 | |
| 141 (defun cl-expr-access-order (x v) | |
| 142 (if (cl-const-expr-p x) v | |
| 143 (if (consp x) | |
| 144 (progn | |
| 145 (while (setq x (cdr x)) (setq v (cl-expr-access-order (car x) v))) | |
| 146 v) | |
| 147 (if (eq x (car v)) (cdr v) '(t))))) | |
| 148 | |
| 149 ;;; Count number of times X refers to Y. Return nil for 0 times. | |
| 150 (defun cl-expr-contains (x y) | |
| 151 (cond ((equal y x) 1) | |
| 152 ((and (consp x) (not (memq (car-safe x) '(quote function function*)))) | |
| 153 (let ((sum 0)) | |
| 154 (while x | |
| 155 (setq sum (+ sum (or (cl-expr-contains (pop x) y) 0)))) | |
| 156 (and (> sum 0) sum))) | |
| 157 (t nil))) | |
| 158 | |
| 159 (defun cl-expr-contains-any (x y) | |
| 160 (while (and y (not (cl-expr-contains x (car y)))) (pop y)) | |
| 161 y) | |
| 162 | |
| 163 ;;; Check whether X may depend on any of the symbols in Y. | |
| 164 (defun cl-expr-depends-p (x y) | |
| 165 (and (not (cl-const-expr-p x)) | |
| 166 (or (not (cl-safe-expr-p x)) (cl-expr-contains-any x y)))) | |
| 167 | |
| 168 ;;; Symbols. | |
| 169 | |
| 170 (defvar *gensym-counter*) | |
| 171 | |
| 172 ;; XEmacs change: gensym and gentemp have been moved to cl.el. | |
| 173 | |
| 174 | |
| 428 | 175 ;;; Program structure. |
| 176 | |
| 177 ;;;###autoload | |
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178 (defmacro defun* (name arglist &optional docstring &rest body) |
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179 "Define NAME as a function. |
| 428 | 180 Like normal `defun', except ARGLIST allows full Common Lisp conventions, |
| 872 | 181 and BODY is implicitly surrounded by (block NAME ...). |
| 182 | |
| 183 \"Full Common Lisp conventions\" means that: | |
| 184 | |
| 185 -- In addition to &optional and &rest, the lambda-list keywords &key, | |
| 186 &allow-other-keys, and &aux are allowed. | |
| 187 | |
| 188 -- The format of the arguments to &optional is expanded: As well as simple | |
| 189 variables, they can be lists of the form (VAR [INITFORM [SVAR]]); when | |
| 190 no argument is available for VAR, INITFORM is evaluated (or nil, if | |
| 191 INITFORM is omitted) and stored as VAR's value, and SVAR is bound to t. | |
| 192 If an arguent is available for VAR, and INITFORM is unused, SVAR is | |
| 193 bound to nil. | |
| 194 | |
| 195 -- &key specifies keyword arguments. The format of each argument is | |
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196 VAR || ( { VAR || (KEYWORD VAR) } [INITFORM [SVAR]]). |
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197 |
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198 If VAR is specified on its own, VAR is bound within BODY to the value |
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199 supplied by the caller for the corresponding keyword; for example, &key |
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200 my-value means callers write :my-value RUNTIME-EXPRESSION. |
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201 |
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202 If (VAR INITFORM) is specified, INITFORM is an expression evaluated at |
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203 runtime to determine a default value for VAR. |
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204 |
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205 If (VAR INITFORM SVAR) is specified, SVAR is variable available within |
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206 BODY that is non-nil if VAR was explicitly specified in the calling |
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207 expression. |
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208 |
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209 If ((KEYWORD VAR)) is specified, KEYWORD is the keyword to be used by |
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210 callers, and VAR is the corresponding variable binding within BODY. |
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211 |
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212 In calls to NAME, values for a given keyword may be supplied multiple |
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213 times. The first value is the only one used. |
| 872 | 214 |
| 215 -- &allow-other-keys means that if other keyword arguments are given that are | |
| 216 not specifically list in the arg list, they are allowed, rather than an | |
| 217 error being signalled. They can be retrieved with an &rest form. | |
| 218 | |
| 219 -- &aux specifies extra bindings, exactly like a `let*' enclosing the body. | |
| 220 The format of each binding is VAR || (VAR [INITFORM]) -- exactly like the | |
| 221 format of `let'/`let*' bindings. | |
| 222 " | |
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223 (let* ((res (cl-transform-lambda (list* arglist docstring body) name)) |
| 428 | 224 (form (list* 'defun name (cdr res)))) |
| 225 (if (car res) (list 'progn (car res) form) form))) | |
| 226 | |
| 227 ;;;###autoload | |
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228 (defmacro defmacro* (name arglist &optional docstring &rest body) |
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229 "Define NAME as a macro. |
| 428 | 230 Like normal `defmacro', except ARGLIST allows full Common Lisp conventions, |
| 872 | 231 and BODY is implicitly surrounded by (block NAME ...). |
| 232 | |
| 233 \"Full Common Lisp conventions\" means that: | |
| 234 | |
| 235 -- The lambda-list keywords &optional, &rest, &key, &allow-other-keys, and | |
| 236 &aux are allowed, as in `defun*'. | |
| 237 | |
| 238 -- Three additional lambda-list keywords are allowed: &body, &whole, and | |
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239 &environment: |
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240 |
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241 &body is equivalent to &rest, but is intended to indicate that the |
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242 following arguments are the body of some piece of code, and should be |
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243 indented as such. |
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244 |
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245 &whole must come first; it is followed by a single variable that, at |
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246 macro expansion time, reflects all the arguments supplied to the macro, |
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247 as if it had been declared with a single &rest argument. |
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248 |
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249 &environment specifies local semantics for various macros for use within |
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250 the expansion of BODY. See the ENVIRONMENT argument to `macroexpand'. |
| 872 | 251 |
| 252 -- The macro arg list syntax allows for \"destructuring\" -- see also | |
| 253 `destructuring-bind', which destructures exactly like `defmacro*', and | |
| 254 `loop', which does a rather different way of destructuring. Anywhere | |
| 255 that a simple argument may appear, and (if following a lambda-list | |
| 256 keyword) a list may not normally appear, an embedded lambda list can be | |
| 257 substituted. (The format of the embedded lambda list is exactly the | |
| 258 same as for a top-level list except that &environment is not allowed.) | |
| 259 When matching this lambda list against a caller-specified argument, that | |
| 260 argument is treated as a list and normal lambda-list processing occurs, | |
| 261 just as if the entire operation were happening at top level. | |
| 262 Furthermore, any lambda list, embedded or top-level, can be dotted at its | |
| 263 end, and this will cause matching with an appropriate dotted list given | |
| 264 as an argument. | |
| 265 | |
| 266 See `loop' for practical examples of destructuring, but | |
| 267 keep in mind that `loop' destructuring is somewhat different from macro | |
| 268 destructuring in that | |
| 269 | |
| 270 (a) Macro destructuring has extra features in the various lambda-list | |
| 271 keywords, allowing for special processing of a list other than just | |
| 272 simple matching. | |
| 273 (b) Macro destructuring is strict, in that an error is signalled if the | |
| 274 actual structure does not match the expected structure. On the | |
| 275 other hand, loop destructuring is lax -- extra arguments in a list | |
| 276 are ignored, not enough arguments cause the remaining parameters to | |
| 277 receive a value of nil, etc. | |
| 278 " | |
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279 (let* ((res (cl-transform-lambda (list* arglist docstring body) name)) |
| 428 | 280 (form (list* 'defmacro name (cdr res)))) |
| 281 (if (car res) (list 'progn (car res) form) form))) | |
| 282 | |
| 283 ;;;###autoload | |
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284 (defmacro function* (symbol-or-lambda) |
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285 "Introduce a function. |
| 428 | 286 Like normal `function', except that if argument is a lambda form, its |
| 287 ARGLIST allows full Common Lisp conventions." | |
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288 (if (eq (car-safe symbol-or-lambda) 'lambda) |
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289 (let* ((res (cl-transform-lambda (cdr symbol-or-lambda) 'cl-none)) |
| 428 | 290 (form (list 'function (cons 'lambda (cdr res))))) |
| 291 (if (car res) (list 'progn (car res) form) form)) | |
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292 (list 'function symbol-or-lambda))) |
| 428 | 293 |
| 294 (defun cl-transform-function-property (func prop form) | |
| 295 (let ((res (cl-transform-lambda form func))) | |
| 296 (append '(progn) (cdr (cdr (car res))) | |
| 297 (list (list 'put (list 'quote func) (list 'quote prop) | |
| 298 (list 'function (cons 'lambda (cdr res)))))))) | |
| 299 | |
| 300 (defconst lambda-list-keywords | |
| 301 '(&optional &rest &key &allow-other-keys &aux &whole &body &environment)) | |
| 302 | |
| 303 (defvar cl-macro-environment nil) | |
| 304 (defvar bind-block) (defvar bind-defs) (defvar bind-enquote) | |
| 305 (defvar bind-inits) (defvar bind-lets) (defvar bind-forms) | |
| 306 | |
| 452 | 307 ;; npak@ispras.ru |
| 308 (defun cl-upcase-arg (arg) | |
| 1580 | 309 ;; Changes all non-keyword symbols in `ARG' to symbols |
| 452 | 310 ;; with name in upper case. |
| 1580 | 311 ;; ARG is either symbol or list of symbols or lists |
| 452 | 312 (cond ((symbolp arg) |
| 1580 | 313 ;; Do not upcase &optional, &key etc. |
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314 (if (memq arg lambda-list-keywords) |
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315 arg |
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316 (make-symbol (upcase (symbol-name arg))))) |
| 1580 | 317 ((listp arg) |
| 318 (let ((arg (copy-list arg)) junk) | |
| 319 ;; Clean the list | |
| 320 (let ((p (last arg))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 321 (if (setq junk (cadr (memq '&cl-defs arg))) | |
| 322 (setq arg (delq '&cl-defs (delq junk arg)))) | |
| 323 (if (memq '&cl-quote arg) | |
| 324 (setq arg (delq '&cl-quote arg))) | |
| 325 (mapcar 'cl-upcase-arg arg))) | |
| 326 (t arg))) ; Maybe we are in initializer | |
| 452 | 327 |
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328 ;; npak@ispras.ru, modified by ben@666.com |
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329 ;;;###autoload |
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330 (defun cl-function-arglist (arglist) |
| 452 | 331 "Returns string with printed representation of arguments list. |
| 332 Supports Common Lisp lambda lists." | |
| 1580 | 333 (if (not (or (listp arglist) (symbolp arglist))) |
| 334 "Not available" | |
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335 (check-argument-type #'true-list-p arglist) |
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336 (let ((print-gensym nil)) |
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337 (condition-case nil |
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338 (let ((args (cond ((null arglist) nil) |
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339 ((listp arglist) (cl-upcase-arg arglist)) |
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340 ((symbolp arglist) |
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341 (cl-upcase-arg (list '&rest arglist))) |
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342 (t (wrong-type-argument 'listp arglist))))) |
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343 (if args (prin1-to-string args) "()")) |
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344 (t "Not available"))))) |
| 452 | 345 |
| 428 | 346 (defun cl-transform-lambda (form bind-block) |
| 347 (let* ((args (car form)) (body (cdr form)) | |
| 348 (bind-defs nil) (bind-enquote nil) | |
| 349 (bind-inits nil) (bind-lets nil) (bind-forms nil) | |
| 452 | 350 (header nil) (simple-args nil) |
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351 (complex-arglist (cl-function-arglist args)) |
| 452 | 352 (doc "")) |
| 428 | 353 (while (or (stringp (car body)) (eq (car-safe (car body)) 'interactive)) |
| 2153 | 354 (push (pop body) header)) |
| 428 | 355 (setq args (if (listp args) (copy-list args) (list '&rest args))) |
| 356 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 357 (if (setq bind-defs (cadr (memq '&cl-defs args))) | |
| 358 (setq args (delq '&cl-defs (delq bind-defs args)) | |
| 359 bind-defs (cadr bind-defs))) | |
| 360 (if (setq bind-enquote (memq '&cl-quote args)) | |
| 361 (setq args (delq '&cl-quote args))) | |
| 362 (if (memq '&whole args) (error "&whole not currently implemented")) | |
| 363 (let* ((p (memq '&environment args)) (v (cadr p))) | |
| 364 (if p (setq args (nconc (delq (car p) (delq v args)) | |
| 365 (list '&aux (list v 'cl-macro-environment)))))) | |
| 366 (while (and args (symbolp (car args)) | |
| 367 (not (memq (car args) '(nil &rest &body &key &aux))) | |
| 368 (not (and (eq (car args) '&optional) | |
| 369 (or bind-defs (consp (cadr args)))))) | |
| 2153 | 370 (push (pop args) simple-args)) |
| 428 | 371 (or (eq bind-block 'cl-none) |
| 372 (setq body (list (list* 'block bind-block body)))) | |
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373 (setq simple-args (nreverse simple-args) |
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374 header (nreverse header)) |
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375 ;; Add CL lambda list to documentation, if the CL lambda list differs |
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376 ;; from the non-CL lambda list. npak@ispras.ru |
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377 (unless (equal complex-arglist |
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378 (cl-function-arglist simple-args)) |
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379 (and (stringp (car header)) (setq doc (pop header))) |
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380 ;; Stick the arguments onto the end of the doc string in a way that |
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381 ;; will be recognized specially by `function-arglist'. |
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382 (push (concat doc "\n\narguments: " complex-arglist "\n") |
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383 header)) |
| 428 | 384 (if (null args) |
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385 (list* nil simple-args (nconc header body)) |
| 2153 | 386 (if (memq '&optional simple-args) (push '&optional args)) |
| 428 | 387 (cl-do-arglist args nil (- (length simple-args) |
| 388 (if (memq '&optional simple-args) 1 0))) | |
| 389 (setq bind-lets (nreverse bind-lets)) | |
| 390 (list* (and bind-inits (list* 'eval-when '(compile load eval) | |
| 391 (nreverse bind-inits))) | |
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392 (nconc simple-args |
| 2153 | 393 (list '&rest (car (pop bind-lets)))) |
| 394 ;; XEmacs change: we add usage information using Nickolay's | |
| 395 ;; approach above | |
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396 (nconc header |
| 428 | 397 (list (nconc (list 'let* bind-lets) |
| 398 (nreverse bind-forms) body))))))) | |
| 399 | |
| 400 (defun cl-do-arglist (args expr &optional num) ; uses bind-* | |
| 401 (if (nlistp args) | |
| 402 (if (or (memq args lambda-list-keywords) (not (symbolp args))) | |
| 403 (error "Invalid argument name: %s" args) | |
| 2153 | 404 (push (list args expr) bind-lets)) |
| 428 | 405 (setq args (copy-list args)) |
| 406 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 407 (let ((p (memq '&body args))) (if p (setcar p '&rest))) | |
| 408 (if (memq '&environment args) (error "&environment used incorrectly")) | |
| 409 (let ((save-args args) | |
| 410 (restarg (memq '&rest args)) | |
| 411 (safety (if (cl-compiling-file) cl-optimize-safety 3)) | |
| 412 (keys nil) | |
| 413 (laterarg nil) (exactarg nil) minarg) | |
| 414 (or num (setq num 0)) | |
| 415 (if (listp (cadr restarg)) | |
| 416 (setq restarg (gensym "--rest--")) | |
| 417 (setq restarg (cadr restarg))) | |
| 2153 | 418 (push (list restarg expr) bind-lets) |
| 428 | 419 (if (eq (car args) '&whole) |
| 2153 | 420 (push (list (cl-pop2 args) restarg) bind-lets)) |
| 428 | 421 (let ((p args)) |
| 422 (setq minarg restarg) | |
| 423 (while (and p (not (memq (car p) lambda-list-keywords))) | |
| 424 (or (eq p args) (setq minarg (list 'cdr minarg))) | |
| 425 (setq p (cdr p))) | |
| 426 (if (memq (car p) '(nil &aux)) | |
| 427 (setq minarg (list '= (list 'length restarg) | |
| 428 (length (ldiff args p))) | |
| 429 exactarg (not (eq args p))))) | |
| 430 (while (and args (not (memq (car args) lambda-list-keywords))) | |
| 431 (let ((poparg (list (if (or (cdr args) (not exactarg)) 'pop 'car) | |
| 432 restarg))) | |
| 433 (cl-do-arglist | |
| 2153 | 434 (pop args) |
| 428 | 435 (if (or laterarg (= safety 0)) poparg |
| 436 (list 'if minarg poparg | |
| 437 (list 'signal '(quote wrong-number-of-arguments) | |
| 438 (list 'list (and (not (eq bind-block 'cl-none)) | |
| 439 (list 'quote bind-block)) | |
| 440 (list 'length restarg))))))) | |
| 441 (setq num (1+ num) laterarg t)) | |
| 2153 | 442 (while (and (eq (car args) '&optional) (pop args)) |
| 428 | 443 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 2153 | 444 (let ((arg (pop args))) |
| 428 | 445 (or (consp arg) (setq arg (list arg))) |
| 446 (if (cddr arg) (cl-do-arglist (nth 2 arg) (list 'and restarg t))) | |
| 447 (let ((def (if (cdr arg) (nth 1 arg) | |
| 448 (or (car bind-defs) | |
| 449 (nth 1 (assq (car arg) bind-defs))))) | |
| 450 (poparg (list 'pop restarg))) | |
| 451 (and def bind-enquote (setq def (list 'quote def))) | |
| 452 (cl-do-arglist (car arg) | |
| 453 (if def (list 'if restarg poparg def) poparg)) | |
| 454 (setq num (1+ num)))))) | |
| 455 (if (eq (car args) '&rest) | |
| 456 (let ((arg (cl-pop2 args))) | |
| 457 (if (consp arg) (cl-do-arglist arg restarg))) | |
| 458 (or (eq (car args) '&key) (= safety 0) exactarg | |
| 2153 | 459 (push (list 'if restarg |
| 428 | 460 (list 'signal '(quote wrong-number-of-arguments) |
| 461 (list 'list | |
| 462 (and (not (eq bind-block 'cl-none)) | |
| 463 (list 'quote bind-block)) | |
| 464 (list '+ num (list 'length restarg))))) | |
| 465 bind-forms))) | |
| 2153 | 466 (while (and (eq (car args) '&key) (pop args)) |
| 428 | 467 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 2153 | 468 (let ((arg (pop args))) |
| 428 | 469 (or (consp arg) (setq arg (list arg))) |
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470 (let* ((karg (if (consp (car arg)) |
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471 ;; It's possible to use non-keywords here, as |
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472 ;; in the KEYWORD-ARGUMENT-NAME-PACKAGE Common |
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473 ;; Lisp issue: |
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474 (caar arg) |
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475 ;; Use read instead of intern in case we ever |
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476 ;; actually get packages and keywords are no |
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477 ;; longer in obarray: |
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478 (read (concat ":" (symbol-name (car arg)))))) |
| 428 | 479 (varg (if (consp (car arg)) (cadar arg) (car arg))) |
| 480 (def (if (cdr arg) (cadr arg) | |
| 481 (or (car bind-defs) (cadr (assq varg bind-defs))))) | |
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482 (look (list 'memq (quote-maybe karg) restarg))) |
| 428 | 483 (and def bind-enquote (setq def (list 'quote def))) |
| 484 (if (cddr arg) | |
| 485 (let* ((temp (or (nth 2 arg) (gensym))) | |
| 486 (val (list 'car (list 'cdr temp)))) | |
| 487 (cl-do-arglist temp look) | |
| 488 (cl-do-arglist varg | |
| 489 (list 'if temp | |
| 490 (list 'prog1 val (list 'setq temp t)) | |
| 491 def))) | |
| 492 (cl-do-arglist | |
| 493 varg | |
| 494 (list 'car | |
| 495 (list 'cdr | |
| 496 (if (null def) | |
| 497 look | |
| 498 (list 'or look | |
| 499 (if (eq (cl-const-expr-p def) t) | |
| 500 (list | |
| 501 'quote | |
| 502 (list nil (cl-const-expr-val def))) | |
| 503 (list 'list nil def)))))))) | |
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504 (push karg keys))))) |
| 428 | 505 (setq keys (nreverse keys)) |
| 2153 | 506 (or (and (eq (car args) '&allow-other-keys) (pop args)) |
| 428 | 507 (null keys) (= safety 0) |
| 508 (let* ((var (gensym "--keys--")) | |
| 509 (allow '(:allow-other-keys)) | |
| 510 (check (list | |
| 511 'while var | |
| 512 (list | |
| 513 'cond | |
| 514 (list (list 'memq (list 'car var) | |
| 515 (list 'quote (append keys allow))) | |
| 516 (list 'setq var (list 'cdr (list 'cdr var)))) | |
| 517 (list (list 'car | |
| 518 (list 'cdr | |
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519 (list 'memq (car allow) |
| 428 | 520 restarg))) |
| 521 (list 'setq var nil)) | |
| 522 (list t | |
| 523 (list | |
| 524 'error | |
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525 ''invalid-keyword-argument |
| 428 | 526 (list 'car var))))))) |
| 2153 | 527 (push (list 'let (list (list var restarg)) check) bind-forms))) |
| 528 (while (and (eq (car args) '&aux) (pop args)) | |
| 428 | 529 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 530 (if (consp (car args)) | |
| 531 (if (and bind-enquote (cadar args)) | |
| 532 (cl-do-arglist (caar args) | |
| 2153 | 533 (list 'quote (cadr (pop args)))) |
| 534 (cl-do-arglist (caar args) (cadr (pop args)))) | |
| 535 (cl-do-arglist (pop args) nil)))) | |
| 428 | 536 (if args (error "Malformed argument list %s" save-args))))) |
| 537 | |
| 538 (defun cl-arglist-args (args) | |
| 539 (if (nlistp args) (list args) | |
| 540 (let ((res nil) (kind nil) arg) | |
| 541 (while (consp args) | |
| 2153 | 542 (setq arg (pop args)) |
| 428 | 543 (if (memq arg lambda-list-keywords) (setq kind arg) |
| 2153 | 544 (if (eq arg '&cl-defs) (pop args) |
| 428 | 545 (and (consp arg) kind (setq arg (car arg))) |
| 546 (and (consp arg) (cdr arg) (eq kind '&key) (setq arg (cadr arg))) | |
| 547 (setq res (nconc res (cl-arglist-args arg)))))) | |
| 548 (nconc res (and args (list args)))))) | |
| 549 | |
| 550 ;;;###autoload | |
| 551 (defmacro destructuring-bind (args expr &rest body) | |
| 872 | 552 "Bind the arguments in ARGS to EXPR then eval BODY. |
| 553 This is similar to `let' but it does \"destructuring\", in that it matches | |
| 554 the structure of ARGS to the structure of EXPR and binds corresponding | |
| 555 arguments in ARGS to their values in EXPR. The format of ARGS, and the | |
| 556 way the destructuring works, is exactly like the destructuring that occurs | |
| 557 in `defmacro*'; see that for more information. | |
| 558 | |
| 559 An alternative means of destructuring is using the `loop' macro. `loop' | |
| 560 gives practical examples of destructuring. `defmacro*' describes the | |
| 561 differences between loop and macro-style destructuring. | |
| 562 | |
| 563 You can rewrite a call to (destructuring-bind ARGS EXPR &rest BODY) using | |
| 564 `loop', approximately like this: | |
| 565 | |
| 566 (loop for ARGS = EXPR | |
| 567 return (progn BODY)) | |
| 568 | |
| 569 I say \"approximately\" because the destructuring works in a somewhat | |
| 570 different fashion, although for most reasonably simple constructs the | |
| 571 results will be the same." | |
| 428 | 572 (let* ((bind-lets nil) (bind-forms nil) (bind-inits nil) |
| 573 (bind-defs nil) (bind-block 'cl-none)) | |
| 574 (cl-do-arglist (or args '(&aux)) expr) | |
| 575 (append '(progn) bind-inits | |
| 576 (list (nconc (list 'let* (nreverse bind-lets)) | |
| 577 (nreverse bind-forms) body))))) | |
| 578 | |
| 579 | |
| 580 ;;; The `eval-when' form. | |
| 581 | |
| 582 (defvar cl-not-toplevel nil) | |
| 583 | |
| 584 ;;;###autoload | |
| 585 (defmacro eval-when (when &rest body) | |
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586 "Control when BODY is evaluated. |
| 428 | 587 If `compile' is in WHEN, BODY is evaluated when compiled at top-level. |
| 588 If `load' is in WHEN, BODY is evaluated when loaded after top-level compile. | |
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589 If `eval' is in WHEN, BODY is evaluated when interpreted or at non-top-level. |
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590 |
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591 arguments: ((&rest WHEN) &body BODY)" |
| 428 | 592 (if (and (fboundp 'cl-compiling-file) (cl-compiling-file) |
| 593 (not cl-not-toplevel) (not (boundp 'for-effect))) ; horrible kludge | |
| 2153 | 594 (let ((comp (or (memq 'compile when) (memq :compile-toplevel when))) |
| 428 | 595 (cl-not-toplevel t)) |
| 2153 | 596 (if (or (memq 'load when) (memq :load-toplevel when)) |
| 428 | 597 (if comp (cons 'progn (mapcar 'cl-compile-time-too body)) |
| 598 (list* 'if nil nil body)) | |
| 599 (progn (if comp (eval (cons 'progn body))) nil))) | |
| 2153 | 600 (and (or (memq 'eval when) (memq :execute when)) |
| 428 | 601 (cons 'progn body)))) |
| 602 | |
| 603 (defun cl-compile-time-too (form) | |
| 604 (or (and (symbolp (car-safe form)) (get (car-safe form) 'byte-hunk-handler)) | |
| 605 (setq form (macroexpand | |
| 606 form (cons '(eval-when) byte-compile-macro-environment)))) | |
| 607 (cond ((eq (car-safe form) 'progn) | |
| 608 (cons 'progn (mapcar 'cl-compile-time-too (cdr form)))) | |
| 609 ((eq (car-safe form) 'eval-when) | |
| 610 (let ((when (nth 1 form))) | |
| 2153 | 611 (if (or (memq 'eval when) (memq :execute when)) |
| 428 | 612 (list* 'eval-when (cons 'compile when) (cddr form)) |
| 613 form))) | |
| 614 (t (eval form) form))) | |
| 615 | |
| 616 ;;;###autoload | |
| 617 (defmacro load-time-value (form &optional read-only) | |
| 618 "Like `progn', but evaluates the body at load time. | |
| 619 The result of the body appears to the compiler as a quoted constant." | |
| 620 (if (cl-compiling-file) | |
| 621 (let* ((temp (gentemp "--cl-load-time--")) | |
| 622 (set (list 'set (list 'quote temp) form))) | |
| 623 (if (and (fboundp 'byte-compile-file-form-defmumble) | |
| 624 (boundp 'this-kind) (boundp 'that-one)) | |
| 625 (fset 'byte-compile-file-form | |
| 626 (list 'lambda '(form) | |
| 627 (list 'fset '(quote byte-compile-file-form) | |
| 628 (list 'quote | |
| 629 (symbol-function 'byte-compile-file-form))) | |
| 630 (list 'byte-compile-file-form (list 'quote set)) | |
| 631 '(byte-compile-file-form form))) | |
| 632 ;; XEmacs change | |
| 633 (print set (symbol-value ;;'outbuffer | |
| 634 'byte-compile-output-buffer | |
| 635 ))) | |
| 636 (list 'symbol-value (list 'quote temp))) | |
| 637 (list 'quote (eval form)))) | |
| 638 | |
| 639 | |
| 640 ;;; Conditional control structures. | |
| 641 | |
| 642 ;;;###autoload | |
| 643 (defmacro case (expr &rest clauses) | |
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644 "Evals EXPR, chooses from CLAUSES on that value. |
| 428 | 645 Each clause looks like (KEYLIST BODY...). EXPR is evaluated and compared |
| 646 against each key in each KEYLIST; the corresponding BODY is evaluated. | |
| 647 If no clause succeeds, case returns nil. A single atom may be used in | |
| 648 place of a KEYLIST of one atom. A KEYLIST of `t' or `otherwise' is | |
| 649 allowed only in the final clause, and matches if no other keys match. | |
| 650 Key values are compared by `eql'." | |
| 651 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym))) | |
| 652 (head-list nil) | |
| 653 (last-clause (car (last clauses))) | |
| 654 (body (cons | |
| 655 'cond | |
| 656 (mapcar | |
| 657 #'(lambda (c) | |
| 658 (cons (cond ((memq (car c) '(t otherwise)) | |
| 2153 | 659 ;; XEmacs addition: check for last clause |
| 428 | 660 (or (eq c last-clause) |
| 661 (error | |
| 662 "`%s' is allowed only as the last case clause" | |
| 663 (car c))) | |
| 664 t) | |
| 665 ((eq (car c) 'ecase-error-flag) | |
| 666 (list 'error "ecase failed: %s, %s" | |
| 667 temp (list 'quote (reverse head-list)))) | |
| 668 ((listp (car c)) | |
| 669 (setq head-list (append (car c) head-list)) | |
| 670 (list 'member* temp (list 'quote (car c)))) | |
| 671 (t | |
| 672 (if (memq (car c) head-list) | |
| 673 (error "Duplicate key in case: %s" | |
| 674 (car c))) | |
| 2153 | 675 (push (car c) head-list) |
| 428 | 676 (list 'eql temp (list 'quote (car c))))) |
| 677 (or (cdr c) '(nil)))) | |
| 678 clauses)))) | |
| 679 (if (eq temp expr) body | |
| 680 (list 'let (list (list temp expr)) body)))) | |
| 681 | |
| 682 ;; #### CL standard also requires `ccase', which signals a continuable | |
| 683 ;; error (`cerror' in XEmacs). However, I don't think it buys us | |
| 684 ;; anything to introduce it, as there is probably much more CL stuff | |
| 685 ;; missing, and the feature is not essential. --hniksic | |
| 686 | |
| 687 ;;;###autoload | |
| 688 (defmacro ecase (expr &rest clauses) | |
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689 "Like `case', but error if no case fits. |
| 428 | 690 `otherwise'-clauses are not allowed." |
| 2153 | 691 ;; XEmacs addition: disallow t and otherwise |
| 428 | 692 (let ((disallowed (or (assq t clauses) |
| 693 (assq 'otherwise clauses)))) | |
| 694 (if disallowed | |
| 695 (error "`%s' is not allowed in ecase" (car disallowed)))) | |
| 696 (list* 'case expr (append clauses '((ecase-error-flag))))) | |
| 697 | |
| 698 ;;;###autoload | |
| 699 (defmacro typecase (expr &rest clauses) | |
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700 "Evals EXPR, chooses from CLAUSES on that value. |
| 428 | 701 Each clause looks like (TYPE BODY...). EXPR is evaluated and, if it |
| 702 satisfies TYPE, the corresponding BODY is evaluated. If no clause succeeds, | |
| 703 typecase returns nil. A TYPE of `t' or `otherwise' is allowed only in the | |
| 704 final clause, and matches if no other keys match." | |
| 705 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym))) | |
| 706 (type-list nil) | |
| 707 (body (cons | |
| 708 'cond | |
| 709 (mapcar | |
| 710 #'(lambda (c) | |
| 711 (cons (cond ((eq (car c) 'otherwise) t) | |
| 712 ((eq (car c) 'ecase-error-flag) | |
| 713 (list 'error "etypecase failed: %s, %s" | |
| 714 temp (list 'quote (reverse type-list)))) | |
| 715 (t | |
| 2153 | 716 (push (car c) type-list) |
| 428 | 717 (cl-make-type-test temp (car c)))) |
| 718 (or (cdr c) '(nil)))) | |
| 719 clauses)))) | |
| 720 (if (eq temp expr) body | |
| 721 (list 'let (list (list temp expr)) body)))) | |
| 722 | |
| 723 ;;;###autoload | |
| 724 (defmacro etypecase (expr &rest clauses) | |
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725 "Like `typecase', but error if no case fits. |
| 428 | 726 `otherwise'-clauses are not allowed." |
| 727 (list* 'typecase expr (append clauses '((ecase-error-flag))))) | |
| 728 | |
| 729 | |
| 730 ;;; Blocks and exits. | |
| 731 | |
| 732 ;;;###autoload | |
| 733 (defmacro block (name &rest body) | |
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734 "Define a lexically-scoped block named NAME. |
| 428 | 735 NAME may be any symbol. Code inside the BODY forms can call `return-from' |
| 736 to jump prematurely out of the block. This differs from `catch' and `throw' | |
| 737 in two respects: First, the NAME is an unevaluated symbol rather than a | |
| 738 quoted symbol or other form; and second, NAME is lexically rather than | |
| 739 dynamically scoped: Only references to it within BODY will work. These | |
| 740 references may appear inside macro expansions, but not inside functions | |
| 741 called from BODY." | |
| 742 (if (cl-safe-expr-p (cons 'progn body)) (cons 'progn body) | |
| 743 (list 'cl-block-wrapper | |
| 744 (list* 'catch (list 'quote (intern (format "--cl-block-%s--" name))) | |
| 745 body)))) | |
| 746 | |
| 747 (defvar cl-active-block-names nil) | |
| 748 | |
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749 (put 'cl-block-wrapper 'byte-compile |
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750 #'(lambda (cl-form) |
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751 (if (/= (length cl-form) 2) |
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752 (byte-compile-warn-wrong-args cl-form 1)) |
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753 |
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754 (if (fboundp 'byte-compile-form-do-effect) ; Check for optimizing |
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755 ; compiler |
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756 (progn |
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757 (let* ((cl-entry (cons (nth 1 (nth 1 (nth 1 cl-form))) nil)) |
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758 (cl-active-block-names (cons cl-entry |
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759 cl-active-block-names)) |
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760 (cl-body (byte-compile-top-level |
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761 (cons 'progn (cddr (nth 1 cl-form)))))) |
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762 (if (cdr cl-entry) |
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763 (byte-compile-form (list 'catch (nth 1 (nth 1 cl-form)) |
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764 cl-body)) |
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765 (byte-compile-form cl-body)))) |
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766 (byte-compile-form (nth 1 cl-form))))) |
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767 |
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768 (put 'cl-block-throw 'byte-compile |
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769 #'(lambda (cl-form) |
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770 (let ((cl-found (assq (nth 1 (nth 1 cl-form)) cl-active-block-names))) |
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771 (if cl-found (setcdr cl-found t))) |
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772 (byte-compile-throw (cons 'throw (cdr cl-form))))) |
| 428 | 773 |
| 774 ;;;###autoload | |
| 2153 | 775 (defmacro return (&optional result) |
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776 "Return from the block named nil. |
| 428 | 777 This is equivalent to `(return-from nil RESULT)'." |
| 2153 | 778 (list 'return-from nil result)) |
| 428 | 779 |
| 780 ;;;###autoload | |
| 2153 | 781 (defmacro return-from (name &optional result) |
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782 "Return from the block named NAME. |
| 428 | 783 This jumps out to the innermost enclosing `(block NAME ...)' form, |
| 784 returning RESULT from that form (or nil if RESULT is omitted). | |
| 785 This is compatible with Common Lisp, but note that `defun' and | |
| 786 `defmacro' do not create implicit blocks as they do in Common Lisp." | |
| 787 (let ((name2 (intern (format "--cl-block-%s--" name)))) | |
| 2153 | 788 (list 'cl-block-throw (list 'quote name2) result))) |
| 428 | 789 |
| 790 | |
| 791 ;;; The "loop" macro. | |
| 792 | |
| 793 (defvar args) (defvar loop-accum-var) (defvar loop-accum-vars) | |
| 794 (defvar loop-bindings) (defvar loop-body) (defvar loop-destr-temps) | |
| 795 (defvar loop-finally) (defvar loop-finish-flag) (defvar loop-first-flag) | |
| 796 (defvar loop-initially) (defvar loop-map-form) (defvar loop-name) | |
| 797 (defvar loop-result) (defvar loop-result-explicit) | |
| 798 (defvar loop-result-var) (defvar loop-steps) (defvar loop-symbol-macs) | |
| 799 | |
| 800 ;;;###autoload | |
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801 (defmacro loop (&rest clauses) |
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802 "The Common Lisp `loop' macro. |
| 800 | 803 |
| 804 The loop macro consists of a series of clauses, which do things like | |
| 805 iterate variables, set conditions for exiting the loop, accumulating values | |
| 806 to be returned as the return value of the loop, and executing arbitrary | |
| 2297 | 807 blocks of code. Each clause is processed in turn, and the loop executes its |
| 800 | 808 body repeatedly until an exit condition is hit. |
| 809 | |
| 810 It's important to understand that loop clauses such as `for' and `while', | |
| 811 which look like loop-establishing constructs, don't actually *establish* a | |
| 812 loop\; the looping is established by the `loop' clause itself, which will | |
| 813 repeatedly process its body until told to stop. `while' merely establishes | |
| 814 a condition which, when true, causes the loop to finish, and `for' sets a | |
| 815 variable to different values on each iteration (e.g. successive elements of | |
| 816 a list) and sets an exit condition when there are no more values. This | |
| 817 means, for example, that if two `for' clauses appear, you don't get two | |
| 818 nested loops, but instead two variables that are stepped in parallel, and | |
| 819 two exit conditions, either of which, if triggered, will cause the loop to | |
| 820 end. Similarly for a loop with a `for' and a `while' clause. For example: | |
| 821 | |
| 822 \(loop | |
| 823 for x in list | |
| 824 while x | |
| 825 do ...) | |
| 826 | |
| 827 In each successive iteration, X is set to the next element of the list. If | |
| 828 there are no more elements, or if any element is nil (the `while' clause), | |
| 829 the loop exits. Otherwise, the block of code following `do' is executed.) | |
| 830 | |
| 831 This example also shows that some clauses establish variable bindings -- | |
| 832 essentially like a `let' binding -- and that following clauses can | |
| 833 reference these variables. Furthermore, the entire loop is surrounded by a | |
| 834 block named nil (unless the `named' clause is given), so you can return | |
| 835 from the loop using the macro `return'. (The other way to exit the loop is | |
| 836 through the macro `loop-finish'. The difference is that some loop clauses | |
| 837 establish or accumulate a value to be returned, and `loop-finish' returns | |
| 838 this. `return', however, can only return an explicitly-specified value. | |
| 839 NOTE CAREFULLY: There is a loop clause called `return' as well as a | |
| 840 standard Lisp macro called `return'. Normally they work similarly\; but if | |
| 841 you give the loop a name with `named', you will need to use the macro | |
| 842 `return-from'.) | |
| 843 | |
| 844 Another extremely useful feature of loops is called \"destructuring\". If, | |
| 845 in place of VAR, a list (possibly dotted, possibly a tree of arbitary | |
| 846 complexity) is given, the value to be assigned is assumed to have a similar | |
| 847 structure to the list given, and variables in the list will be matched up | |
| 848 with corresponding elements in the structure. For example: | |
| 849 | |
| 850 \(loop | |
| 851 for (x y) in '((foo 1) (bar 2) (baz 3)) | |
| 852 do (puthash x y some-hash-table)) | |
| 853 | |
| 854 will add three elements to a hash table, mapping foo -> 1, bar -> 2, and | |
| 855 baz -> 3. As other examples, you can conveniently process alists using | |
| 856 | |
| 857 \(loop for (x . y) in alist do ...) | |
| 858 | |
| 859 and plists using | |
| 860 | |
| 861 \(loop for (x y) on plist by #'cddr do ...) | |
| 862 | |
| 863 Destructuring is forgiving in that mismatches in the number of elements on | |
| 864 either size will be handled gracefully, either by ignoring or initializing | |
| 1123 | 865 to nil. Destructuring is extremely powerful, and is probably the single |
| 866 most useful feature of `loop'. | |
| 867 | |
| 868 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, | |
| 869 | |
| 870 \(loop for x being the hash-key in table using (hash-value y) | |
| 871 collect (cons x y)) | |
| 872 | |
| 873 converts hash-table TABLE to an alist. (What `collect' actually does is | |
| 874 push its value onto the end of an internal list and establish this list as | |
| 875 the default return value of the loop. See below for more information.) | |
| 876 | |
| 877 An example of in-place modification is | |
| 878 | |
| 879 \(setq foo '(1 3 5)) | |
| 880 \(loop for x in-ref foo do | |
| 881 (setf x (* x x))) | |
| 882 | |
| 883 after which foo will contain '(1 9 25). | |
| 800 | 884 |
| 885 If you don't understand how a particular loop clause works, create an | |
| 886 example and use `macroexpand-sexp' to expand the macro. | |
| 887 | |
| 428 | 888 Valid clauses are: |
| 800 | 889 |
| 890 \(NOTE: Keywords in lowercase\; slashes separate different possibilities | |
| 891 for keywords, some of which are synonymous\; brackets indicate optional | |
| 892 parts of the clause. In all of the clauses with `being', the word `being', | |
| 893 the words `each' or `the', and the difference between singular and plural | |
| 894 keywords are all just syntactic sugar. Stylistically, you should write | |
| 895 either `being each foo' or `being the foos'.) | |
| 896 | |
| 897 for VAR from/upfrom/downfrom NUM1 to/upto/downto/above/below NUM2 [by NUMSTEP] | |
| 898 Step VAR across numbers. `upfrom', `upto', and `below' explicitly | |
| 899 indicate upward stepping\; `downfrom', `downto', and `above' explicitly | |
| 900 indicate downward stepping. (If none of these is given, the default is | |
| 901 upward.) `to', `upto', and `downto' cause stepping to include NUM2 as | |
| 902 the last iteration, while `above' and `below' stop just before reaching | |
| 903 NUM2. `by' can be given to indicate a stepping increment other than 1. | |
| 904 | |
| 905 for VAR in LIST [by FUNC] | |
| 906 Step VAR over elements of a LIST. FUNC specifies how to get successive | |
| 907 sublists and defaults to `cdr'. | |
| 908 | |
| 909 for VAR on LIST [by FUNC] | |
| 910 Step VAR over tails of a LIST. FUNC specifies how to get successive | |
| 911 sublists and defaults to `cdr'. | |
| 912 | |
| 913 for VAR in-ref LIST [by FUNC] | |
| 914 Step VAR over elements of a LIST, like `for ... in', except the VAR is | |
| 915 bound using `symbol-macrolet' instead of `let'. In essence, VAR is set | |
| 916 to a \"reference\" to the list element instead of the element itself\; | |
| 917 this us, you can destructively modify the list using `setf' on VAR, and | |
| 918 any changes to the list will \"magically\" reflect themselves in | |
| 919 subsequent uses of VAR. | |
| 920 | |
| 921 for VAR = INIT [then EXPR] | |
| 922 Set VAR on each iteration of the loop. If only INIT is given, use it | |
| 923 on each iteration. Otherwise, use INIT on the first iteration and EXPR | |
| 924 on subsequent ones. | |
| 925 | |
| 926 for VAR across/across-ref ARRAY | |
| 927 Step VAR across a sequence other than a list (string, vector, bit | |
| 928 vector). If `across-ref' is given, VAR is bound using | |
| 929 `symbol-macrolet' instead of `let' -- see above. | |
| 930 | |
| 931 for VAR being each/the element/elements in/of/in-ref/of-ref SEQUENCE [using (index INDEX-VAR)] | |
| 932 Step VAR across any sequence. A variable can be specified with a | |
| 933 `using' phrase to receive the index, starting at 0. If `in-ref' or | |
| 934 `of-ref' is given, VAR is bound using `symbol-macrolet' instead of | |
| 935 `let' -- see above. | |
| 936 | |
| 937 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)] | |
| 938 | |
| 939 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)] | |
| 940 Map VAR over a hash table. The various keywords are synonymous except | |
| 941 those that distinguish between keys and values. The `using' phrase is | |
| 942 optional and allows both key and value to be bound. | |
| 943 | |
| 944 for VAR being each/the symbol/present-symbol/external-symbol/symbols/present-symbols/external-symbols in/of OBARRAY | |
| 945 Map VAR over the symbols in an obarray. All symbol keywords are | |
| 946 currently synonymous. | |
| 947 | |
| 948 for VAR being each/the extent/extents [in/of BUFFER-OR-STRING] [from POS] [to POS] | |
| 949 Map VAR over the extents in a buffer or string, defaulting to the | |
| 950 current buffer, the beginning and the end, respectively. | |
| 951 | |
| 952 for VAR being each/the interval/intervals [in/of BUFFER-OR-STRING] [property PROPERTY] [from POS] [to POS] | |
| 953 Map VAR over the intervals without property change in a buffer or | |
| 954 string, defaulting to the current buffer, the beginning and the end, | |
| 955 respectively. If PROPERTY is given, iteration occurs using | |
| 956 `next-single-property-change'\; otherwise, using | |
| 957 `next-property-change'. | |
| 958 | |
| 959 for VAR being each/the window/windows [in/of FRAME] | |
| 960 Step VAR over the windows in FRAME, defaulting to the selected frame. | |
| 961 | |
| 962 for VAR being each/the frame/frames | |
| 963 Step VAR over all frames. | |
| 964 | |
| 965 for VAR being each/the buffer/buffers [by FUNC] | |
| 966 Step VAR over all buffers. This is actually equivalent to | |
| 967 `for VAR in (buffer-list) [by FUNC]'. | |
| 968 | |
| 969 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)] | |
| 970 Map VAR over the entries in a keymap. Keyword `key-seq' causes | |
| 971 recursive mapping over prefix keymaps occurring in the keymap, with VAR | |
| 972 getting the built-up sequence (a vector). Otherwise, mapping does not | |
| 973 occur recursively. `key-code' and `key-seq' refer to what is bound | |
| 974 (second argument of `define-key'), and `key-binding' what it's bound to | |
| 975 (third argument of `define-key'). | |
| 976 | |
| 977 as VAR ... | |
| 978 `as' is a synonym for `for'. | |
| 979 | |
| 980 and VAR ... | |
| 981 `and' clauses have the same syntax as `for' clauses except that the | |
| 982 variables in the clause are bound in parallel with a preceding | |
| 983 `and'/`for' clause instead of in series. | |
| 984 | |
| 985 with VAR = INIT | |
| 986 Set VAR to INIT once, before doing any iterations. | |
| 987 | |
| 988 repeat NUM | |
| 989 Exit the loop if more than NUM iterations have occurred. | |
| 990 | |
| 991 while COND | |
| 992 Exit the loop if COND isn't true. | |
| 993 | |
| 994 until COND | |
| 995 Exit the loop if COND is true. | |
| 996 | |
| 997 collect EXPR [into VAR] | |
| 998 Push EXPR onto the end of a list of values -- stored either in VAR or a | |
| 999 temporary variable that will be returned as the return value of the | |
| 1000 loop if it terminates through an exit condition or a call to | |
| 1001 `loop-finish'. | |
| 1002 | |
| 1003 append EXPR [into VAR] | |
| 1004 Append EXPR (a list) onto the end of a list of values, like `collect'. | |
| 1005 | |
| 1006 nconc EXPR [into VAR] | |
| 1007 Nconc EXPR (a list) onto the end of a list of values, like `collect'. | |
| 1008 | |
| 1009 concat EXPR [into VAR] | |
| 1010 Concatenate EXPR (a string) onto the end of a string of values, like | |
| 1011 `collect'. | |
| 1012 | |
| 1013 vconcat EXPR [into VAR] | |
| 1014 Concatenate EXPR (a vector) onto the end of a vector of values, like | |
| 1015 `collect'. | |
| 1016 | |
| 1017 bvconcat EXPR [into VAR] | |
| 1018 Concatenate EXPR (a bit vector) onto the end of a bit vector of values, | |
| 1019 like `collect'. | |
| 1020 | |
| 1021 sum EXPR [into VAR] | |
| 1022 Add EXPR to a value, like `collect'. | |
| 1023 | |
| 1024 count EXPR [into VAR] | |
| 1025 If EXPR is true, increment a value by 1, like `collect'. | |
| 1026 | |
| 1027 maximize EXPR [into VAR] | |
| 1028 IF EXPR is greater than a value, replace the value with EXPR, like | |
| 1029 `collect'. | |
| 1030 | |
| 1031 minimize EXPR [into VAR] | |
| 1032 IF EXPR is less than a value, replace the value with EXPR, like | |
| 1033 `collect'. | |
| 1034 | |
| 1035 always COND | |
| 1036 If COND is true, continue the loop and set the loop return value (the | |
| 1037 same value that's manipulated by `collect' and friends and is returned | |
| 1038 by a normal loop exit or an exit using `loop-finish') to t\; otherwise, | |
| 1039 exit the loop and return nil. The effect is to determine and return | |
| 1040 whether a condition is true \"always\" (all iterations of the loop). | |
| 1041 | |
| 1042 never COND | |
| 1043 If COND is false, continue the loop and set the loop return value (like | |
| 1044 `always') to t\; otherwise, exit the loop and return nil. The effect | |
| 1045 is to determine and return whether a condition is \"never\" true (all | |
| 1046 iterations of the loop). | |
| 1047 | |
| 1048 thereis COND | |
| 1049 If COND is true, exit the loop and return COND. | |
| 1050 | |
| 1051 if/when COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...] | |
| 1052 If COND is true, execute the directly following clause(s)\; otherwise, | |
| 1053 execute the clauses following `else'. | |
| 1054 | |
| 1055 unless COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...] | |
| 1056 If COND is false, execute the directly following clause(s)\; otherwise, execute the clauses following `else'. | |
| 1057 | |
| 1058 do EXPRS... | |
| 1059 Execute the expressions (any Lisp forms). | |
| 1060 | |
| 1061 initially EXPRS... | |
| 1062 Execute EXPR once, before doing any iterations, and after values have | |
| 1063 been set using `with'. | |
| 1064 | |
| 1065 finally EXPRS... | |
| 1066 Execute EXPR once, directly before the loop terminates. This will not | |
| 1067 be executed if the loop terminates prematurely as a result of `always', | |
| 1068 `never', `thereis', or `return'. | |
| 1069 | |
| 1070 return EXPR | |
| 1071 Exit from the loop and return EXPR. | |
| 1072 | |
| 1073 finally return EXPR | |
| 1074 Specify the value to be returned when the loop exits. (Unlike `return', | |
| 1075 this doesn't cause the loop to immediately exit\; it will exit whenever | |
| 1076 it normally would have.) This takes precedence over a return value | |
| 1077 specified with `collect' and friends or `always' and friends. | |
| 1078 | |
| 1079 named NAME | |
| 1080 Specify the name for block surrounding the loop, in place of nil. | |
| 1081 (See `block'.) | |
| 1082 " | |
|
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1083 (if (not (memq t (mapcar 'symbolp (delq nil (delq t (copy-list clauses)))))) |
|
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1084 (list 'block nil (list* 'while t clauses)) |
| 428 | 1085 (let ((loop-name nil) (loop-bindings nil) |
| 1086 (loop-body nil) (loop-steps nil) | |
| 1087 (loop-result nil) (loop-result-explicit nil) | |
| 1088 (loop-result-var nil) (loop-finish-flag nil) | |
| 1089 (loop-accum-var nil) (loop-accum-vars nil) | |
| 1090 (loop-initially nil) (loop-finally nil) | |
| 1091 (loop-map-form nil) (loop-first-flag nil) | |
|
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1092 (loop-destr-temps nil) (loop-symbol-macs nil) |
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|
1093 (args (append clauses '(cl-end-loop)))) |
| 428 | 1094 (while (not (eq (car args) 'cl-end-loop)) (cl-parse-loop-clause)) |
| 1095 (if loop-finish-flag | |
| 2153 | 1096 (push (list (list loop-finish-flag t)) loop-bindings)) |
| 428 | 1097 (if loop-first-flag |
| 2153 | 1098 (progn (push (list (list loop-first-flag t)) loop-bindings) |
| 1099 (push (list 'setq loop-first-flag nil) loop-steps))) | |
| 428 | 1100 (let* ((epilogue (nconc (nreverse loop-finally) |
| 1101 (list (or loop-result-explicit loop-result)))) | |
| 1102 (ands (cl-loop-build-ands (nreverse loop-body))) | |
| 1103 (while-body (nconc (cadr ands) (nreverse loop-steps))) | |
| 1104 (body (append | |
| 1105 (nreverse loop-initially) | |
| 1106 (list (if loop-map-form | |
| 1107 (list 'block '--cl-finish-- | |
| 1108 (subst | |
| 1109 (if (eq (car ands) t) while-body | |
| 1110 (cons (list 'or (car ands) | |
| 1111 '(return-from --cl-finish-- | |
| 1112 nil)) | |
| 1113 while-body)) | |
| 1114 '--cl-map loop-map-form)) | |
| 1115 (list* 'while (car ands) while-body))) | |
| 1116 (if loop-finish-flag | |
| 1346 | 1117 (if (equal epilogue '(nil)) |
| 1118 ;; XEmacs change: When epilogue is nil and | |
| 1119 ;; loop-finish-flag exists, you get a byte-compiler | |
| 1120 ;; warning using the original (commented-out) | |
| 1121 ;; code below. So instead we create a form that | |
| 1122 ;; gives the same result but uses loop-finish-flag. | |
| 1123 ;; --ben | |
| 1124 ;(list loop-result-var) | |
| 1125 (list (list 'if loop-finish-flag | |
| 1126 loop-result-var loop-result-var)) | |
| 428 | 1127 (list (list 'if loop-finish-flag |
| 1128 (cons 'progn epilogue) loop-result-var))) | |
| 1129 epilogue)))) | |
| 2153 | 1130 (if loop-result-var (push (list loop-result-var) loop-bindings)) |
| 428 | 1131 (while loop-bindings |
| 1132 (if (cdar loop-bindings) | |
| 2153 | 1133 (setq body (list (cl-loop-let (pop loop-bindings) body t))) |
| 428 | 1134 (let ((lets nil)) |
| 1135 (while (and loop-bindings | |
| 1136 (not (cdar loop-bindings))) | |
| 2153 | 1137 (push (car (pop loop-bindings)) lets)) |
| 428 | 1138 (setq body (list (cl-loop-let lets body nil)))))) |
| 1139 (if loop-symbol-macs | |
| 1140 (setq body (list (list* 'symbol-macrolet loop-symbol-macs body)))) | |
| 1141 (list* 'block loop-name body))))) | |
| 1142 | |
| 1143 (defun cl-parse-loop-clause () ; uses args, loop-* | |
| 2153 | 1144 (let ((word (pop args)) |
| 428 | 1145 (hash-types '(hash-key hash-keys hash-value hash-values)) |
| 1146 (key-types '(key-code key-codes key-seq key-seqs | |
| 1147 key-binding key-bindings))) | |
| 1148 (cond | |
| 1149 | |
| 1150 ((null args) | |
| 1151 (error "Malformed `loop' macro")) | |
| 1152 | |
| 1153 ((eq word 'named) | |
| 2153 | 1154 (setq loop-name (pop args))) |
| 428 | 1155 |
| 1156 ((eq word 'initially) | |
| 2153 | 1157 (if (memq (car args) '(do doing)) (pop args)) |
| 428 | 1158 (or (consp (car args)) (error "Syntax error on `initially' clause")) |
| 1159 (while (consp (car args)) | |
| 2153 | 1160 (push (pop args) loop-initially))) |
| 428 | 1161 |
| 1162 ((eq word 'finally) | |
| 1163 (if (eq (car args) 'return) | |
| 1164 (setq loop-result-explicit (or (cl-pop2 args) '(quote nil))) | |
| 2153 | 1165 (if (memq (car args) '(do doing)) (pop args)) |
| 428 | 1166 (or (consp (car args)) (error "Syntax error on `finally' clause")) |
| 1167 (if (and (eq (caar args) 'return) (null loop-name)) | |
| 2153 | 1168 (setq loop-result-explicit (or (nth 1 (pop args)) '(quote nil))) |
| 428 | 1169 (while (consp (car args)) |
| 2153 | 1170 (push (pop args) loop-finally))))) |
| 428 | 1171 |
| 1172 ((memq word '(for as)) | |
| 1173 (let ((loop-for-bindings nil) (loop-for-sets nil) (loop-for-steps nil) | |
| 1174 (ands nil)) | |
| 1175 (while | |
| 2153 | 1176 (let ((var (or (pop args) (gensym)))) |
| 1177 (setq word (pop args)) | |
| 1178 (if (eq word 'being) (setq word (pop args))) | |
| 1179 (if (memq word '(the each)) (setq word (pop args))) | |
| 428 | 1180 (if (memq word '(buffer buffers)) |
| 1181 (setq word 'in args (cons '(buffer-list) args))) | |
| 1182 (cond | |
| 1183 | |
| 1184 ((memq word '(from downfrom upfrom to downto upto | |
| 1185 above below by)) | |
| 2153 | 1186 (push word args) |
| 428 | 1187 (if (memq (car args) '(downto above)) |
| 1188 (error "Must specify `from' value for downward loop")) | |
| 1189 (let* ((down (or (eq (car args) 'downfrom) | |
| 1190 (memq (caddr args) '(downto above)))) | |
| 1191 (excl (or (memq (car args) '(above below)) | |
| 1192 (memq (caddr args) '(above below)))) | |
| 1193 (start (and (memq (car args) '(from upfrom downfrom)) | |
| 1194 (cl-pop2 args))) | |
| 1195 (end (and (memq (car args) | |
| 1196 '(to upto downto above below)) | |
| 1197 (cl-pop2 args))) | |
| 1198 (step (and (eq (car args) 'by) (cl-pop2 args))) | |
| 1199 (end-var (and (not (cl-const-expr-p end)) (gensym))) | |
| 1200 (step-var (and (not (cl-const-expr-p step)) | |
| 1201 (gensym)))) | |
| 1202 (and step (numberp step) (<= step 0) | |
| 1203 (error "Loop `by' value is not positive: %s" step)) | |
| 2153 | 1204 (push (list var (or start 0)) loop-for-bindings) |
| 1205 (if end-var (push (list end-var end) loop-for-bindings)) | |
| 1206 (if step-var (push (list step-var step) | |
| 428 | 1207 loop-for-bindings)) |
| 1208 (if end | |
| 2153 | 1209 (push (list |
| 428 | 1210 (if down (if excl '> '>=) (if excl '< '<=)) |
| 1211 var (or end-var end)) loop-body)) | |
| 2153 | 1212 (push (list var (list (if down '- '+) var |
| 428 | 1213 (or step-var step 1))) |
| 1214 loop-for-steps))) | |
| 1215 | |
| 1216 ((memq word '(in in-ref on)) | |
| 1217 (let* ((on (eq word 'on)) | |
| 1218 (temp (if (and on (symbolp var)) var (gensym)))) | |
| 2153 | 1219 (push (list temp (pop args)) loop-for-bindings) |
| 1220 (push (list 'consp temp) loop-body) | |
| 428 | 1221 (if (eq word 'in-ref) |
| 2153 | 1222 (push (list var (list 'car temp)) loop-symbol-macs) |
| 428 | 1223 (or (eq temp var) |
| 1224 (progn | |
| 2153 | 1225 (push (list var nil) loop-for-bindings) |
| 1226 (push (list var (if on temp (list 'car temp))) | |
| 428 | 1227 loop-for-sets)))) |
| 2153 | 1228 (push (list temp |
| 428 | 1229 (if (eq (car args) 'by) |
| 1230 (let ((step (cl-pop2 args))) | |
| 1231 (if (and (memq (car-safe step) | |
| 1232 '(quote function | |
| 1233 function*)) | |
| 1234 (symbolp (nth 1 step))) | |
| 1235 (list (nth 1 step) temp) | |
| 1236 (list 'funcall step temp))) | |
| 1237 (list 'cdr temp))) | |
| 1238 loop-for-steps))) | |
| 1239 | |
| 1240 ((eq word '=) | |
| 2153 | 1241 (let* ((start (pop args)) |
| 428 | 1242 (then (if (eq (car args) 'then) (cl-pop2 args) start))) |
| 2153 | 1243 (push (list var nil) loop-for-bindings) |
| 428 | 1244 (if (or ands (eq (car args) 'and)) |
| 1245 (progn | |
| 2153 | 1246 (push (list var |
| 428 | 1247 (list 'if |
| 1248 (or loop-first-flag | |
| 1249 (setq loop-first-flag | |
| 1250 (gensym))) | |
| 1251 start var)) | |
| 1252 loop-for-sets) | |
| 2153 | 1253 (push (list var then) loop-for-steps)) |
| 1254 (push (list var | |
| 428 | 1255 (if (eq start then) start |
| 1256 (list 'if | |
| 1257 (or loop-first-flag | |
| 1258 (setq loop-first-flag (gensym))) | |
| 1259 start then))) | |
| 1260 loop-for-sets)))) | |
| 1261 | |
| 1262 ((memq word '(across across-ref)) | |
| 1263 (let ((temp-vec (gensym)) (temp-idx (gensym))) | |
| 2153 | 1264 (push (list temp-vec (pop args)) loop-for-bindings) |
| 1265 (push (list temp-idx -1) loop-for-bindings) | |
| 1266 (push (list '< (list 'setq temp-idx (list '1+ temp-idx)) | |
| 428 | 1267 (list 'length temp-vec)) loop-body) |
| 1268 (if (eq word 'across-ref) | |
| 2153 | 1269 (push (list var (list 'aref temp-vec temp-idx)) |
| 428 | 1270 loop-symbol-macs) |
| 2153 | 1271 (push (list var nil) loop-for-bindings) |
| 1272 (push (list var (list 'aref temp-vec temp-idx)) | |
| 428 | 1273 loop-for-sets)))) |
| 1274 | |
| 1275 ((memq word '(element elements)) | |
| 1276 (let ((ref (or (memq (car args) '(in-ref of-ref)) | |
| 1277 (and (not (memq (car args) '(in of))) | |
| 1278 (error "Expected `of'")))) | |
| 1279 (seq (cl-pop2 args)) | |
| 1280 (temp-seq (gensym)) | |
| 1281 (temp-idx (if (eq (car args) 'using) | |
| 1282 (if (and (= (length (cadr args)) 2) | |
| 1283 (eq (caadr args) 'index)) | |
| 1284 (cadr (cl-pop2 args)) | |
| 1285 (error "Bad `using' clause")) | |
| 1286 (gensym)))) | |
| 2153 | 1287 (push (list temp-seq seq) loop-for-bindings) |
| 1288 (push (list temp-idx 0) loop-for-bindings) | |
| 428 | 1289 (if ref |
| 1290 (let ((temp-len (gensym))) | |
| 2153 | 1291 (push (list temp-len (list 'length temp-seq)) |
| 428 | 1292 loop-for-bindings) |
| 2153 | 1293 (push (list var (list 'elt temp-seq temp-idx)) |
| 428 | 1294 loop-symbol-macs) |
| 2153 | 1295 (push (list '< temp-idx temp-len) loop-body)) |
| 1296 (push (list var nil) loop-for-bindings) | |
| 1297 (push (list 'and temp-seq | |
| 428 | 1298 (list 'or (list 'consp temp-seq) |
| 1299 (list '< temp-idx | |
| 1300 (list 'length temp-seq)))) | |
| 1301 loop-body) | |
| 2153 | 1302 (push (list var (list 'if (list 'consp temp-seq) |
| 428 | 1303 (list 'pop temp-seq) |
| 1304 (list 'aref temp-seq temp-idx))) | |
| 1305 loop-for-sets)) | |
| 2153 | 1306 (push (list temp-idx (list '1+ temp-idx)) |
| 428 | 1307 loop-for-steps))) |
| 1308 | |
| 1309 ((memq word hash-types) | |
| 1310 (or (memq (car args) '(in of)) (error "Expected `of'")) | |
| 1311 (let* ((table (cl-pop2 args)) | |
| 1312 (other (if (eq (car args) 'using) | |
| 1313 (if (and (= (length (cadr args)) 2) | |
| 1314 (memq (caadr args) hash-types) | |
| 1315 (not (eq (caadr args) word))) | |
| 1316 (cadr (cl-pop2 args)) | |
| 1317 (error "Bad `using' clause")) | |
| 1318 (gensym)))) | |
| 1319 (if (memq word '(hash-value hash-values)) | |
| 1320 (setq var (prog1 other (setq other var)))) | |
| 1321 (setq loop-map-form | |
| 1322 (list 'maphash (list 'function | |
| 1323 (list* 'lambda (list var other) | |
| 1324 '--cl-map)) table)))) | |
| 1325 | |
| 1326 ((memq word '(symbol present-symbol external-symbol | |
| 1327 symbols present-symbols external-symbols)) | |
| 1328 (let ((ob (and (memq (car args) '(in of)) (cl-pop2 args)))) | |
| 1329 (setq loop-map-form | |
| 1330 (list 'mapatoms (list 'function | |
| 1331 (list* 'lambda (list var) | |
| 1332 '--cl-map)) ob)))) | |
| 1333 | |
| 1334 ((memq word '(overlay overlays extent extents)) | |
| 1335 (let ((buf nil) (from nil) (to nil)) | |
| 1336 (while (memq (car args) '(in of from to)) | |
| 1337 (cond ((eq (car args) 'from) (setq from (cl-pop2 args))) | |
| 1338 ((eq (car args) 'to) (setq to (cl-pop2 args))) | |
| 1339 (t (setq buf (cl-pop2 args))))) | |
| 1340 (setq loop-map-form | |
| 1341 (list 'cl-map-extents | |
| 1342 (list 'function (list 'lambda (list var (gensym)) | |
| 1343 '(progn . --cl-map) nil)) | |
| 1344 buf from to)))) | |
| 1345 | |
| 1346 ((memq word '(interval intervals)) | |
| 1347 (let ((buf nil) (prop nil) (from nil) (to nil) | |
| 1348 (var1 (gensym)) (var2 (gensym))) | |
| 1349 (while (memq (car args) '(in of property from to)) | |
| 1350 (cond ((eq (car args) 'from) (setq from (cl-pop2 args))) | |
| 1351 ((eq (car args) 'to) (setq to (cl-pop2 args))) | |
| 1352 ((eq (car args) 'property) | |
| 1353 (setq prop (cl-pop2 args))) | |
| 1354 (t (setq buf (cl-pop2 args))))) | |
| 1355 (if (and (consp var) (symbolp (car var)) (symbolp (cdr var))) | |
| 1356 (setq var1 (car var) var2 (cdr var)) | |
| 2153 | 1357 (push (list var (list 'cons var1 var2)) loop-for-sets)) |
| 428 | 1358 (setq loop-map-form |
| 1359 (list 'cl-map-intervals | |
| 1360 (list 'function (list 'lambda (list var1 var2) | |
| 1361 '(progn . --cl-map))) | |
| 1362 buf prop from to)))) | |
| 1363 | |
| 1364 ((memq word key-types) | |
| 1365 (or (memq (car args) '(in of)) (error "Expected `of'")) | |
| 800 | 1366 (let* ((map (cl-pop2 args)) |
| 1367 other-word | |
| 1368 (other (if (eq (car args) 'using) | |
| 1369 (if (and (= (length (cadr args)) 2) | |
| 1370 (memq (setq other-word (caadr args)) | |
| 1371 key-types) | |
| 1372 (not (eq (caadr args) word))) | |
| 1373 (cadr (cl-pop2 args)) | |
| 1374 (error "Bad `using' clause")) | |
| 428 | 1375 (gensym)))) |
| 2153 | 1376 ;; XEmacs addition: track other-word |
| 800 | 1377 (when (memq word '(key-binding key-bindings)) |
| 1378 (setq var (prog1 other (setq other var))) | |
| 1379 (and other-word (setq word other-word))) | |
| 428 | 1380 (setq loop-map-form |
| 1381 (list (if (memq word '(key-seq key-seqs)) | |
| 2153 | 1382 'cl-map-keymap-recursively 'map-keymap) |
| 428 | 1383 (list 'function (list* 'lambda (list var other) |
| 1384 '--cl-map)) map)))) | |
| 1385 | |
| 1386 ((memq word '(frame frames screen screens)) | |
| 1387 (let ((temp (gensym))) | |
| 2153 | 1388 (push (list var '(selected-frame)) |
| 428 | 1389 loop-for-bindings) |
| 2153 | 1390 (push (list temp nil) loop-for-bindings) |
| 1391 (push (list 'prog1 (list 'not (list 'eq var temp)) | |
| 428 | 1392 (list 'or temp (list 'setq temp var))) |
| 1393 loop-body) | |
| 2153 | 1394 (push (list var (list 'next-frame var)) |
| 428 | 1395 loop-for-steps))) |
| 1396 | |
| 1397 ((memq word '(window windows)) | |
| 1398 (let ((scr (and (memq (car args) '(in of)) (cl-pop2 args))) | |
| 1399 (temp (gensym))) | |
| 2153 | 1400 (push (list var (if scr |
| 428 | 1401 (list 'frame-selected-window scr) |
| 1402 '(selected-window))) | |
| 1403 loop-for-bindings) | |
| 2153 | 1404 (push (list temp nil) loop-for-bindings) |
| 1405 (push (list 'prog1 (list 'not (list 'eq var temp)) | |
| 428 | 1406 (list 'or temp (list 'setq temp var))) |
| 1407 loop-body) | |
| 2153 | 1408 (push (list var (list 'next-window var)) loop-for-steps))) |
| 428 | 1409 |
| 1410 (t | |
| 1411 (let ((handler (and (symbolp word) | |
| 1412 (get word 'cl-loop-for-handler)))) | |
| 1413 (if handler | |
| 1414 (funcall handler var) | |
| 1415 (error "Expected a `for' preposition, found %s" word))))) | |
| 1416 (eq (car args) 'and)) | |
| 1417 (setq ands t) | |
| 2153 | 1418 (pop args)) |
| 428 | 1419 (if (and ands loop-for-bindings) |
| 2153 | 1420 (push (nreverse loop-for-bindings) loop-bindings) |
| 428 | 1421 (setq loop-bindings (nconc (mapcar 'list loop-for-bindings) |
| 1422 loop-bindings))) | |
| 1423 (if loop-for-sets | |
| 2153 | 1424 (push (list 'progn |
| 428 | 1425 (cl-loop-let (nreverse loop-for-sets) 'setq ands) |
| 1426 t) loop-body)) | |
| 1427 (if loop-for-steps | |
| 2153 | 1428 (push (cons (if ands 'psetq 'setq) |
| 428 | 1429 (apply 'append (nreverse loop-for-steps))) |
| 1430 loop-steps)))) | |
| 1431 | |
| 1432 ((eq word 'repeat) | |
| 1433 (let ((temp (gensym))) | |
| 2153 | 1434 (push (list (list temp (pop args))) loop-bindings) |
| 1435 (push (list '>= (list 'setq temp (list '1- temp)) 0) loop-body))) | |
| 1436 | |
| 1437 ((memq word '(collect collecting)) | |
| 1438 (let ((what (pop args)) | |
| 428 | 1439 (var (cl-loop-handle-accum nil 'nreverse))) |
| 1440 (if (eq var loop-accum-var) | |
| 2153 | 1441 (push (list 'progn (list 'push what var) t) loop-body) |
| 1442 (push (list 'progn | |
| 428 | 1443 (list 'setq var (list 'nconc var (list 'list what))) |
| 1444 t) loop-body)))) | |
| 1445 | |
| 1446 ((memq word '(nconc nconcing append appending)) | |
| 2153 | 1447 (let ((what (pop args)) |
| 428 | 1448 (var (cl-loop-handle-accum nil 'nreverse))) |
| 2153 | 1449 (push (list 'progn |
| 428 | 1450 (list 'setq var |
| 1451 (if (eq var loop-accum-var) | |
| 1452 (list 'nconc | |
| 1453 (list (if (memq word '(nconc nconcing)) | |
| 1454 'nreverse 'reverse) | |
| 1455 what) | |
| 1456 var) | |
| 1457 (list (if (memq word '(nconc nconcing)) | |
| 1458 'nconc 'append) | |
| 1459 var what))) t) loop-body))) | |
| 1460 | |
| 1461 ((memq word '(concat concating)) | |
| 2153 | 1462 (let ((what (pop args)) |
| 428 | 1463 (var (cl-loop-handle-accum ""))) |
| 2153 | 1464 (push (list 'progn (list 'callf 'concat var what) t) loop-body))) |
| 428 | 1465 |
| 1466 ((memq word '(vconcat vconcating)) | |
| 2153 | 1467 (let ((what (pop args)) |
| 428 | 1468 (var (cl-loop-handle-accum []))) |
| 2153 | 1469 (push (list 'progn (list 'callf 'vconcat var what) t) loop-body))) |
| 1470 | |
| 1471 ;; XEmacs addition: handle bit-vectors | |
| 800 | 1472 ((memq word '(bvconcat bvconcating)) |
| 2153 | 1473 (let ((what (pop args)) |
| 800 | 1474 (var (cl-loop-handle-accum #*))) |
| 2153 | 1475 (push (list 'progn (list 'callf 'bvconcat var what) t) loop-body))) |
| 800 | 1476 |
| 428 | 1477 ((memq word '(sum summing)) |
| 2153 | 1478 (let ((what (pop args)) |
| 428 | 1479 (var (cl-loop-handle-accum 0))) |
| 2153 | 1480 (push (list 'progn (list 'incf var what) t) loop-body))) |
| 428 | 1481 |
| 1482 ((memq word '(count counting)) | |
| 2153 | 1483 (let ((what (pop args)) |
| 428 | 1484 (var (cl-loop-handle-accum 0))) |
| 2153 | 1485 (push (list 'progn (list 'if what (list 'incf var)) t) loop-body))) |
| 428 | 1486 |
| 1487 ((memq word '(minimize minimizing maximize maximizing)) | |
| 2153 | 1488 (let* ((what (pop args)) |
| 428 | 1489 (temp (if (cl-simple-expr-p what) what (gensym))) |
| 1490 (var (cl-loop-handle-accum nil)) | |
| 1491 (func (intern (substring (symbol-name word) 0 3))) | |
| 1492 (set (list 'setq var (list 'if var (list func var temp) temp)))) | |
| 2153 | 1493 (push (list 'progn (if (eq temp what) set |
| 428 | 1494 (list 'let (list (list temp what)) set)) |
| 1495 t) loop-body))) | |
| 1496 | |
| 1497 ((eq word 'with) | |
| 1498 (let ((bindings nil)) | |
| 2153 | 1499 (while (progn (push (list (pop args) |
| 428 | 1500 (and (eq (car args) '=) (cl-pop2 args))) |
| 1501 bindings) | |
| 1502 (eq (car args) 'and)) | |
| 2153 | 1503 (pop args)) |
| 1504 (push (nreverse bindings) loop-bindings))) | |
| 428 | 1505 |
| 1506 ((eq word 'while) | |
| 2153 | 1507 (push (pop args) loop-body)) |
| 428 | 1508 |
| 1509 ((eq word 'until) | |
| 2153 | 1510 (push (list 'not (pop args)) loop-body)) |
| 428 | 1511 |
| 1512 ((eq word 'always) | |
| 1513 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 2153 | 1514 (push (list 'setq loop-finish-flag (pop args)) loop-body) |
| 428 | 1515 (setq loop-result t)) |
| 1516 | |
| 1517 ((eq word 'never) | |
| 1518 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 2153 | 1519 (push (list 'setq loop-finish-flag (list 'not (pop args))) |
| 428 | 1520 loop-body) |
| 1521 (setq loop-result t)) | |
| 1522 | |
| 1523 ((eq word 'thereis) | |
| 1524 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 1525 (or loop-result-var (setq loop-result-var (gensym))) | |
| 2153 | 1526 (push (list 'setq loop-finish-flag |
| 1527 (list 'not (list 'setq loop-result-var (pop args)))) | |
| 428 | 1528 loop-body)) |
| 1529 | |
| 1530 ((memq word '(if when unless)) | |
| 2153 | 1531 (let* ((cond (pop args)) |
| 428 | 1532 (then (let ((loop-body nil)) |
| 1533 (cl-parse-loop-clause) | |
| 1534 (cl-loop-build-ands (nreverse loop-body)))) | |
| 1535 (else (let ((loop-body nil)) | |
| 1536 (if (eq (car args) 'else) | |
| 2153 | 1537 (progn (pop args) (cl-parse-loop-clause))) |
| 428 | 1538 (cl-loop-build-ands (nreverse loop-body)))) |
| 1539 (simple (and (eq (car then) t) (eq (car else) t)))) | |
| 2153 | 1540 (if (eq (car args) 'end) (pop args)) |
| 428 | 1541 (if (eq word 'unless) (setq then (prog1 else (setq else then)))) |
| 1542 (let ((form (cons (if simple (cons 'progn (nth 1 then)) (nth 2 then)) | |
| 1543 (if simple (nth 1 else) (list (nth 2 else)))))) | |
| 1544 (if (cl-expr-contains form 'it) | |
| 1545 (let ((temp (gensym))) | |
| 2153 | 1546 (push (list temp) loop-bindings) |
| 428 | 1547 (setq form (list* 'if (list 'setq temp cond) |
| 1548 (subst temp 'it form)))) | |
| 1549 (setq form (list* 'if cond form))) | |
| 2153 | 1550 (push (if simple (list 'progn form t) form) loop-body)))) |
| 428 | 1551 |
| 1552 ((memq word '(do doing)) | |
| 1553 (let ((body nil)) | |
| 1554 (or (consp (car args)) (error "Syntax error on `do' clause")) | |
| 2153 | 1555 (while (consp (car args)) (push (pop args) body)) |
| 1556 (push (cons 'progn (nreverse (cons t body))) loop-body))) | |
| 428 | 1557 |
| 1558 ((eq word 'return) | |
| 1559 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 1560 (or loop-result-var (setq loop-result-var (gensym))) | |
| 2153 | 1561 (push (list 'setq loop-result-var (pop args) |
| 428 | 1562 loop-finish-flag nil) loop-body)) |
| 1563 | |
| 1564 (t | |
| 1565 (let ((handler (and (symbolp word) (get word 'cl-loop-handler)))) | |
| 1566 (or handler (error "Expected a loop keyword, found %s" word)) | |
| 1567 (funcall handler)))) | |
| 1568 (if (eq (car args) 'and) | |
| 2153 | 1569 (progn (pop args) (cl-parse-loop-clause))))) |
| 428 | 1570 |
| 1571 (defun cl-loop-let (specs body par) ; uses loop-* | |
| 1572 (let ((p specs) (temps nil) (new nil)) | |
| 1573 (while (and p (or (symbolp (car-safe (car p))) (null (cadar p)))) | |
| 1574 (setq p (cdr p))) | |
| 1575 (and par p | |
| 1576 (progn | |
| 1577 (setq par nil p specs) | |
| 1578 (while p | |
| 1579 (or (cl-const-expr-p (cadar p)) | |
| 1580 (let ((temp (gensym))) | |
| 2153 | 1581 (push (list temp (cadar p)) temps) |
| 428 | 1582 (setcar (cdar p) temp))) |
| 1583 (setq p (cdr p))))) | |
| 1584 (while specs | |
| 1585 (if (and (consp (car specs)) (listp (caar specs))) | |
| 1586 (let* ((spec (caar specs)) (nspecs nil) | |
| 2153 | 1587 (expr (cadr (pop specs))) |
| 428 | 1588 (temp (cdr (or (assq spec loop-destr-temps) |
| 2153 | 1589 (car (push (cons spec (or (last spec 0) |
| 428 | 1590 (gensym))) |
| 1591 loop-destr-temps)))))) | |
| 2153 | 1592 (push (list temp expr) new) |
| 428 | 1593 (while (consp spec) |
| 2153 | 1594 (push (list (pop spec) |
| 428 | 1595 (and expr (list (if spec 'pop 'car) temp))) |
| 1596 nspecs)) | |
| 1597 (setq specs (nconc (nreverse nspecs) specs))) | |
| 2153 | 1598 (push (pop specs) new))) |
| 428 | 1599 (if (eq body 'setq) |
| 1600 (let ((set (cons (if par 'psetq 'setq) (apply 'nconc (nreverse new))))) | |
| 1601 (if temps (list 'let* (nreverse temps) set) set)) | |
| 1602 (list* (if par 'let 'let*) | |
| 1603 (nconc (nreverse temps) (nreverse new)) body)))) | |
| 1604 | |
| 1605 (defun cl-loop-handle-accum (def &optional func) ; uses args, loop-* | |
| 1606 (if (eq (car args) 'into) | |
| 1607 (let ((var (cl-pop2 args))) | |
| 1608 (or (memq var loop-accum-vars) | |
| 2153 | 1609 (progn (push (list (list var def)) loop-bindings) |
| 1610 (push var loop-accum-vars))) | |
| 428 | 1611 var) |
| 1612 (or loop-accum-var | |
| 1613 (progn | |
| 2153 | 1614 (push (list (list (setq loop-accum-var (gensym)) def)) |
| 428 | 1615 loop-bindings) |
| 1616 (setq loop-result (if func (list func loop-accum-var) | |
| 1617 loop-accum-var)) | |
| 1618 loop-accum-var)))) | |
| 1619 | |
| 1620 (defun cl-loop-build-ands (clauses) | |
| 1621 (let ((ands nil) | |
| 1622 (body nil)) | |
| 1623 (while clauses | |
| 1624 (if (and (eq (car-safe (car clauses)) 'progn) | |
| 1625 (eq (car (last (car clauses))) t)) | |
| 1626 (if (cdr clauses) | |
| 1627 (setq clauses (cons (nconc (butlast (car clauses)) | |
| 1628 (if (eq (car-safe (cadr clauses)) | |
| 1629 'progn) | |
| 1630 (cdadr clauses) | |
| 1631 (list (cadr clauses)))) | |
| 1632 (cddr clauses))) | |
| 2153 | 1633 (setq body (cdr (butlast (pop clauses))))) |
| 1634 (push (pop clauses) ands))) | |
| 428 | 1635 (setq ands (or (nreverse ands) (list t))) |
| 1636 (list (if (cdr ands) (cons 'and ands) (car ands)) | |
| 1637 body | |
| 1638 (let ((full (if body | |
| 1639 (append ands (list (cons 'progn (append body '(t))))) | |
| 1640 ands))) | |
| 1641 (if (cdr full) (cons 'and full) (car full)))))) | |
| 1642 | |
| 1643 | |
| 1644 ;;; Other iteration control structures. | |
| 1645 | |
| 1646 ;;;###autoload | |
| 1647 (defmacro do (steps endtest &rest body) | |
| 1648 "The Common Lisp `do' loop. | |
| 1649 Format is: (do ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)" | |
| 1650 (cl-expand-do-loop steps endtest body nil)) | |
| 1651 | |
| 1652 ;;;###autoload | |
| 1653 (defmacro do* (steps endtest &rest body) | |
| 1654 "The Common Lisp `do*' loop. | |
| 1655 Format is: (do* ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)" | |
| 1656 (cl-expand-do-loop steps endtest body t)) | |
| 1657 | |
| 1658 (defun cl-expand-do-loop (steps endtest body star) | |
| 1659 (list 'block nil | |
| 1660 (list* (if star 'let* 'let) | |
| 1661 (mapcar #'(lambda (c) (if (consp c) (list (car c) (nth 1 c)) c)) | |
| 1662 steps) | |
| 1663 (list* 'while (list 'not (car endtest)) | |
| 1664 (append body | |
| 1665 (let ((sets (mapcar | |
| 1666 #'(lambda (c) | |
| 1667 (and (consp c) (cdr (cdr c)) | |
| 1668 (list (car c) (nth 2 c)))) | |
| 1669 steps))) | |
| 1670 (setq sets (delq nil sets)) | |
| 1671 (and sets | |
| 1672 (list (cons (if (or star (not (cdr sets))) | |
| 1673 'setq 'psetq) | |
| 1674 (apply 'append sets))))))) | |
| 1675 (or (cdr endtest) '(nil))))) | |
| 1676 | |
| 1677 ;;;###autoload | |
| 1678 (defmacro dolist (spec &rest body) | |
|
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1679 "Loop over a list. |
| 428 | 1680 Evaluate BODY with VAR bound to each `car' from LIST, in turn. |
|
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1681 Then evaluate RESULT to get return value, default nil. |
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1682 |
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1683 arguments: ((VAR LIST &optional RESULT) &body BODY)" |
| 428 | 1684 (let ((temp (gensym "--dolist-temp--"))) |
| 1685 (list 'block nil | |
| 1686 (list* 'let (list (list temp (nth 1 spec)) (car spec)) | |
| 1687 (list* 'while temp (list 'setq (car spec) (list 'car temp)) | |
| 1688 (append body (list (list 'setq temp | |
| 1689 (list 'cdr temp))))) | |
| 1690 (if (cdr (cdr spec)) | |
| 1691 (cons (list 'setq (car spec) nil) (cdr (cdr spec))) | |
| 1692 '(nil)))))) | |
| 1693 | |
| 1694 ;;;###autoload | |
| 1695 (defmacro dotimes (spec &rest body) | |
|
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1696 "Loop a certain number of times. |
| 428 | 1697 Evaluate BODY with VAR bound to successive integers from 0, inclusive, |
| 1698 to COUNT, exclusive. Then evaluate RESULT to get return value, default | |
|
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1699 nil. |
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1700 |
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1701 arguments: ((VAR COUNT &optional RESULT) &body BODY)" |
| 428 | 1702 (let ((temp (gensym "--dotimes-temp--"))) |
| 1703 (list 'block nil | |
| 1704 (list* 'let (list (list temp (nth 1 spec)) (list (car spec) 0)) | |
| 1705 (list* 'while (list '< (car spec) temp) | |
| 1706 (append body (list (list 'incf (car spec))))) | |
| 1707 (or (cdr (cdr spec)) '(nil)))))) | |
| 1708 | |
| 1709 ;;;###autoload | |
| 1710 (defmacro do-symbols (spec &rest body) | |
|
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1711 "Loop over all symbols. |
| 428 | 1712 Evaluate BODY with VAR bound to each interned symbol, or to each symbol |
|
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1713 from OBARRAY. |
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1714 |
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1715 arguments: ((VAR &optional OBARRAY RESULT) &body BODY)" |
| 428 | 1716 ;; Apparently this doesn't have an implicit block. |
| 1717 (list 'block nil | |
| 1718 (list 'let (list (car spec)) | |
| 1719 (list* 'mapatoms | |
| 1720 (list 'function (list* 'lambda (list (car spec)) body)) | |
| 1721 (and (cadr spec) (list (cadr spec)))) | |
| 1722 (caddr spec)))) | |
| 1723 | |
| 1724 ;;;###autoload | |
| 1725 (defmacro do-all-symbols (spec &rest body) | |
| 1726 (list* 'do-symbols (list (car spec) nil (cadr spec)) body)) | |
| 1727 | |
| 1728 | |
| 1729 ;;; Assignments. | |
| 1730 | |
| 1731 ;;;###autoload | |
| 1732 (defmacro psetq (&rest args) | |
| 1733 "(psetq SYM VAL SYM VAL ...): set SYMs to the values VALs in parallel. | |
| 1734 This is like `setq', except that all VAL forms are evaluated (in order) | |
| 1735 before assigning any symbols SYM to the corresponding values." | |
| 1736 (cons 'psetf args)) | |
| 1737 | |
| 1738 | |
| 1739 ;;; Binding control structures. | |
| 1740 | |
| 1741 ;;;###autoload | |
| 1742 (defmacro progv (symbols values &rest body) | |
|
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1743 "Bind SYMBOLS to VALUES dynamically in BODY. |
| 428 | 1744 The forms SYMBOLS and VALUES are evaluated, and must evaluate to lists. |
| 1745 Each SYMBOL in the first list is bound to the corresponding VALUE in the | |
| 1746 second list (or made unbound if VALUES is shorter than SYMBOLS); then the | |
| 1747 BODY forms are executed and their result is returned. This is much like | |
| 1748 a `let' form, except that the list of symbols can be computed at run-time." | |
| 1749 (list 'let '((cl-progv-save nil)) | |
| 1750 (list 'unwind-protect | |
| 1751 (list* 'progn (list 'cl-progv-before symbols values) body) | |
| 1752 '(cl-progv-after)))) | |
| 1753 | |
| 1754 ;;; This should really have some way to shadow 'byte-compile properties, etc. | |
| 1755 ;;;###autoload | |
| 1756 (defmacro flet (bindings &rest body) | |
|
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1757 "Make temporary function definitions. |
| 428 | 1758 This is an analogue of `let' that operates on the function cell of FUNC |
| 1759 rather than its value cell. The FORMs are evaluated with the specified | |
| 1760 function definitions in place, then the definitions are undone (the FUNCs | |
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1761 go back to their previous definitions, or lack thereof). |
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1762 |
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1763 arguments: (((FUNC ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)" |
| 428 | 1764 (list* 'letf* |
| 1765 (mapcar | |
| 1766 #'(lambda (x) | |
| 1767 (if (or (and (fboundp (car x)) | |
| 1768 (eq (car-safe (symbol-function (car x))) 'macro)) | |
| 1769 (cdr (assq (car x) cl-macro-environment))) | |
| 1770 (error "Use `labels', not `flet', to rebind macro names")) | |
| 1771 (let ((func (list 'function* | |
| 1772 (list 'lambda (cadr x) | |
| 1773 (list* 'block (car x) (cddr x)))))) | |
| 1774 (if (and (cl-compiling-file) | |
| 1775 (boundp 'byte-compile-function-environment)) | |
| 2153 | 1776 (push (cons (car x) (eval func)) |
| 428 | 1777 byte-compile-function-environment)) |
| 1778 (list (list 'symbol-function (list 'quote (car x))) func))) | |
| 1779 bindings) | |
| 1780 body)) | |
| 1781 | |
| 1782 ;;;###autoload | |
| 1783 (defmacro labels (bindings &rest body) | |
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1784 "Make temporary func bindings. |
| 428 | 1785 This is like `flet', except the bindings are lexical instead of dynamic. |
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1786 Unlike `flet', this macro is fully compliant with the Common Lisp standard. |
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1787 |
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1788 arguments: (((FUNC ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)" |
| 428 | 1789 (let ((vars nil) (sets nil) (cl-macro-environment cl-macro-environment)) |
| 1790 (while bindings | |
| 1791 (let ((var (gensym))) | |
| 2153 | 1792 (push var vars) |
| 1793 (push (list 'function* (cons 'lambda (cdar bindings))) sets) | |
| 1794 (push var sets) | |
| 1795 (push (list (car (pop bindings)) 'lambda '(&rest cl-labels-args) | |
| 428 | 1796 (list 'list* '(quote funcall) (list 'quote var) |
| 1797 'cl-labels-args)) | |
| 1798 cl-macro-environment))) | |
| 1799 (cl-macroexpand-all (list* 'lexical-let vars (cons (cons 'setq sets) body)) | |
| 1800 cl-macro-environment))) | |
| 1801 | |
| 1802 ;; The following ought to have a better definition for use with newer | |
| 1803 ;; byte compilers. | |
| 1804 ;;;###autoload | |
| 1805 (defmacro macrolet (bindings &rest body) | |
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1806 "Make temporary macro definitions. |
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1807 This is like `flet', but for macros instead of functions. |
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1808 |
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1809 arguments: (((NAME ARGLIST &optional DOCSTRING &body body) &rest MACROS) &body FORM)" |
| 428 | 1810 (if (cdr bindings) |
| 1811 (list 'macrolet | |
| 1812 (list (car bindings)) (list* 'macrolet (cdr bindings) body)) | |
| 1813 (if (null bindings) (cons 'progn body) | |
| 1814 (let* ((name (caar bindings)) | |
| 1815 (res (cl-transform-lambda (cdar bindings) name))) | |
| 1816 (eval (car res)) | |
| 1817 (cl-macroexpand-all (cons 'progn body) | |
| 1818 (cons (list* name 'lambda (cdr res)) | |
| 1819 cl-macro-environment)))))) | |
| 1820 | |
| 1821 ;;;###autoload | |
| 1822 (defmacro symbol-macrolet (bindings &rest body) | |
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1823 "Make symbol macro definitions. |
| 428 | 1824 Within the body FORMs, references to the variable NAME will be replaced |
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1825 by EXPANSION, and (setq NAME ...) will act like (setf EXPANSION ...). |
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1826 |
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1827 arguments: (((NAME EXPANSION) &rest SYMBOL-MACROS) &body FORM)" |
| 428 | 1828 (if (cdr bindings) |
| 1829 (list 'symbol-macrolet | |
| 1830 (list (car bindings)) (list* 'symbol-macrolet (cdr bindings) body)) | |
| 1831 (if (null bindings) (cons 'progn body) | |
| 1832 (cl-macroexpand-all (cons 'progn body) | |
| 1833 (cons (list (symbol-name (caar bindings)) | |
| 1834 (cadar bindings)) | |
| 1835 cl-macro-environment))))) | |
| 1836 | |
| 1837 (defvar cl-closure-vars nil) | |
| 1838 ;;;###autoload | |
| 1839 (defmacro lexical-let (bindings &rest body) | |
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1840 "Like `let', but lexically scoped. |
| 428 | 1841 The main visible difference is that lambdas inside BODY will create |
| 1842 lexical closures as in Common Lisp." | |
| 1843 (let* ((cl-closure-vars cl-closure-vars) | |
| 1844 (vars (mapcar #'(lambda (x) | |
| 1845 (or (consp x) (setq x (list x))) | |
| 2153 | 1846 (push (gensym (format "--%s--" (car x))) |
| 428 | 1847 cl-closure-vars) |
| 2153 | 1848 (set (car cl-closure-vars) [bad-lexical-ref]) |
| 428 | 1849 (list (car x) (cadr x) (car cl-closure-vars))) |
| 1850 bindings)) | |
| 1851 (ebody | |
| 1852 (cl-macroexpand-all | |
| 1853 (cons 'progn body) | |
| 1854 (nconc (mapcar #'(lambda (x) | |
| 1855 (list (symbol-name (car x)) | |
| 1856 (list 'symbol-value (caddr x)) | |
| 1857 t)) | |
| 1858 vars) | |
| 1859 (list '(defun . cl-defun-expander)) | |
| 1860 cl-macro-environment)))) | |
| 1861 (if (not (get (car (last cl-closure-vars)) 'used)) | |
| 1862 (list 'let (mapcar #'(lambda (x) (list (caddr x) (cadr x))) vars) | |
| 1863 (sublis (mapcar #'(lambda (x) | |
| 1864 (cons (caddr x) (list 'quote (caddr x)))) | |
| 1865 vars) | |
| 1866 ebody)) | |
| 1867 (list 'let (mapcar #'(lambda (x) | |
| 1868 (list (caddr x) | |
| 1869 (list 'make-symbol | |
| 1870 (format "--%s--" (car x))))) | |
| 1871 vars) | |
| 1872 (apply 'append '(setf) | |
| 1873 (mapcar #'(lambda (x) | |
| 1874 (list (list 'symbol-value (caddr x)) (cadr x))) | |
| 1875 vars)) | |
| 1876 ebody)))) | |
| 1877 | |
| 1878 ;;;###autoload | |
| 1879 (defmacro lexical-let* (bindings &rest body) | |
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1880 "Like `let*', but lexically scoped. |
| 428 | 1881 The main visible difference is that lambdas inside BODY will create |
| 1882 lexical closures as in Common Lisp." | |
| 1883 (if (null bindings) (cons 'progn body) | |
| 1884 (setq bindings (reverse bindings)) | |
| 1885 (while bindings | |
| 2153 | 1886 (setq body (list (list* 'lexical-let (list (pop bindings)) body)))) |
| 428 | 1887 (car body))) |
| 1888 | |
| 1889 (defun cl-defun-expander (func &rest rest) | |
| 1890 (list 'progn | |
| 1891 (list 'defalias (list 'quote func) | |
| 1892 (list 'function (cons 'lambda rest))) | |
| 1893 (list 'quote func))) | |
| 1894 | |
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1895 ;;; Multiple values. We support full Common Lisp conventions here. |
| 428 | 1896 |
| 1897 ;;;###autoload | |
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1898 (defmacro multiple-value-bind (syms form &rest body) |
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1899 "Collect and bind multiple return values. |
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1900 |
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1901 If FORM returns multiple values, each symbol in SYMS is bound to one of |
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1902 them, in order, and BODY is executed. If FORM returns fewer multiple values |
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1903 than there are SYMS, remaining SYMS are bound to nil. If FORM does |
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1904 not return multiple values, it is treated as returning one multiple value. |
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1905 |
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1906 Returns the value given by the last element of BODY." |
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1907 (if (null syms) |
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1908 `(progn ,form ,@body) |
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1909 (if (= 1 (length syms)) |
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1910 ;; Code written to deal with other "implementations" of multiple |
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1911 ;; values may have a one-element SYMS. |
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1912 `(let ((,(car syms) ,form)) |
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1913 ,@body) |
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1914 (let ((temp (gensym))) |
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1915 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form)) |
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1916 ,@(loop |
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1917 for var in syms |
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1918 collect `(,var (prog1 (car ,temp) |
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1919 (setq ,temp (cdr ,temp)))))) |
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1920 ,@body))))) |
| 428 | 1921 |
| 1922 ;;;###autoload | |
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1923 (defmacro multiple-value-setq (syms form) |
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1924 "Collect and set multiple values. |
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1925 |
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1926 FORM should normally return multiple values; the first N values are stored |
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1927 in the symbols in SYMS in turn. If FORM returns fewer than N values, the |
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1928 remaining symbols have their values set to nil. FORM not returning multiple |
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1929 values is treated as FORM returning one multiple value, with other elements |
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1930 of SYMS initialized to nil. |
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1931 |
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1932 Returns the first of the multiple values given by FORM." |
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1933 (if (null syms) |
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1934 ;; Never return multiple values from multiple-value-setq: |
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1935 (and form `(values ,form)) |
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1936 (if (= 1 (length syms)) |
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1937 `(setq ,(car syms) ,form) |
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1938 (let ((temp (gensym))) |
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1939 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form))) |
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1940 (setq ,@(loop |
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1941 for sym in syms |
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1942 nconc `(,sym (car-safe ,temp) |
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1943 ,temp (cdr-safe ,temp)))) |
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1944 ,(car syms)))))) |
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1945 |
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1946 ;;;###autoload |
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1947 (defmacro multiple-value-list (form) |
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1948 "Evaluate FORM and return a list of the multiple values it returned." |
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1949 `(multiple-value-list-internal 0 multiple-values-limit ,form)) |
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1950 |
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1951 ;;;###autoload |
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1952 (defmacro nth-value (n form) |
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1953 "Evaluate FORM and return the Nth multiple value it returned." |
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1954 (if (integerp n) |
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1955 `(car (multiple-value-list-internal ,n ,(1+ n) ,form)) |
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1956 (let ((temp (gensym))) |
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1957 `(let ((,temp ,n)) |
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1958 (car (multiple-value-list-internal ,temp (1+ ,temp) ,form)))))) |
| 428 | 1959 |
| 1960 ;;; Declarations. | |
| 1961 | |
| 1962 ;;;###autoload | |
| 1963 (defmacro locally (&rest body) (cons 'progn body)) | |
| 1964 ;;;###autoload | |
| 1965 (defmacro the (type form) form) | |
| 1966 | |
| 1967 (defvar cl-proclaim-history t) ; for future compilers | |
| 1968 (defvar cl-declare-stack t) ; for future compilers | |
| 1969 | |
| 1970 (defun cl-do-proclaim (spec hist) | |
| 2153 | 1971 (and hist (listp cl-proclaim-history) (push spec cl-proclaim-history)) |
| 428 | 1972 (cond ((eq (car-safe spec) 'special) |
| 1973 (if (boundp 'byte-compile-bound-variables) | |
| 1974 (setq byte-compile-bound-variables | |
| 442 | 1975 (append |
| 2153 | 1976 ;; XEmacs change |
| 442 | 1977 (mapcar #'(lambda (v) (cons v byte-compile-global-bit)) |
| 1978 (cdr spec)) | |
| 1979 byte-compile-bound-variables)))) | |
| 428 | 1980 |
| 1981 ((eq (car-safe spec) 'inline) | |
| 1982 (while (setq spec (cdr spec)) | |
| 1983 (or (memq (get (car spec) 'byte-optimizer) | |
| 1984 '(nil byte-compile-inline-expand)) | |
| 1985 (error "%s already has a byte-optimizer, can't make it inline" | |
| 1986 (car spec))) | |
| 1987 (put (car spec) 'byte-optimizer 'byte-compile-inline-expand))) | |
| 1988 | |
| 1989 ((eq (car-safe spec) 'notinline) | |
| 1990 (while (setq spec (cdr spec)) | |
| 1991 (if (eq (get (car spec) 'byte-optimizer) | |
| 1992 'byte-compile-inline-expand) | |
| 1993 (put (car spec) 'byte-optimizer nil)))) | |
| 1994 | |
| 1995 ((eq (car-safe spec) 'optimize) | |
| 1996 (let ((speed (assq (nth 1 (assq 'speed (cdr spec))) | |
| 446 | 1997 '((0 . nil) (1 . t) (2 . t) (3 . t)))) |
| 428 | 1998 (safety (assq (nth 1 (assq 'safety (cdr spec))) |
| 446 | 1999 '((0 . t) (1 . t) (2 . t) (3 . nil))))) |
| 2000 (when speed | |
| 2001 (setq cl-optimize-speed (car speed) | |
| 2002 byte-optimize (cdr speed))) | |
| 2003 (when safety | |
| 2004 (setq cl-optimize-safety (car safety) | |
| 2005 byte-compile-delete-errors (cdr safety))))) | |
| 428 | 2006 |
| 2007 ((and (eq (car-safe spec) 'warn) (boundp 'byte-compile-warnings)) | |
| 2008 (if (eq byte-compile-warnings t) | |
| 2009 ;; XEmacs change | |
| 2010 (setq byte-compile-warnings byte-compile-default-warnings)) | |
| 2011 (while (setq spec (cdr spec)) | |
| 2012 (if (consp (car spec)) | |
| 2013 (if (eq (cadar spec) 0) | |
| 2014 (setq byte-compile-warnings | |
| 2015 (delq (caar spec) byte-compile-warnings)) | |
| 2016 (setq byte-compile-warnings | |
| 2017 (adjoin (caar spec) byte-compile-warnings))))))) | |
| 2018 nil) | |
| 2019 | |
| 2020 ;;; Process any proclamations made before cl-macs was loaded. | |
| 2021 (defvar cl-proclaims-deferred) | |
| 2022 (let ((p (reverse cl-proclaims-deferred))) | |
| 2153 | 2023 (while p (cl-do-proclaim (pop p) t)) |
| 428 | 2024 (setq cl-proclaims-deferred nil)) |
| 2025 | |
| 2026 ;;;###autoload | |
| 2027 (defmacro declare (&rest specs) | |
| 2028 (if (cl-compiling-file) | |
| 2029 (while specs | |
| 2153 | 2030 (if (listp cl-declare-stack) (push (car specs) cl-declare-stack)) |
| 2031 (cl-do-proclaim (pop specs) nil))) | |
| 428 | 2032 nil) |
| 2033 | |
| 2034 | |
| 2035 | |
| 2036 ;;; Generalized variables. | |
| 2037 | |
| 2038 ;;;###autoload | |
|
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2039 (defmacro define-setf-method (name arglist &rest body) |
|
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2040 "Define a `setf' method. |
|
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|
2041 This method shows how to handle `setf's to places of the form (NAME ARGLIST...). |
|
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2042 The argument forms are bound according to ARGLIST, as if NAME were |
| 428 | 2043 going to be expanded as a macro, then the BODY forms are executed and must |
| 2044 return a list of five elements: a temporary-variables list, a value-forms | |
| 2045 list, a store-variables list (of length one), a store-form, and an access- | |
| 2046 form. See `defsetf' for a simpler way to define most setf-methods." | |
| 2047 (append '(eval-when (compile load eval)) | |
| 2048 (if (stringp (car body)) | |
|
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2049 (list (list 'put (list 'quote name) '(quote setf-documentation) |
| 2153 | 2050 (pop body)))) |
| 428 | 2051 (list (cl-transform-function-property |
|
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2052 name 'setf-method (cons arglist body))))) |
| 2153 | 2053 (defalias 'define-setf-expander 'define-setf-method) |
| 428 | 2054 |
| 2055 ;;;###autoload | |
| 2056 (defmacro defsetf (func arg1 &rest args) | |
| 2057 "(defsetf NAME FUNC): define a `setf' method. | |
| 2058 This macro is an easy-to-use substitute for `define-setf-method' that works | |
| 2059 well for simple place forms. In the simple `defsetf' form, `setf's of | |
| 2060 the form (setf (NAME ARGS...) VAL) are transformed to function or macro | |
| 2061 calls of the form (FUNC ARGS... VAL). Example: (defsetf aref aset). | |
| 2062 Alternate form: (defsetf NAME ARGLIST (STORE) BODY...). | |
| 2063 Here, the above `setf' call is expanded by binding the argument forms ARGS | |
| 2064 according to ARGLIST, binding the value form VAL to STORE, then executing | |
| 2065 BODY, which must return a Lisp form that does the necessary `setf' operation. | |
| 2066 Actually, ARGLIST and STORE may be bound to temporary variables which are | |
| 2067 introduced automatically to preserve proper execution order of the arguments. | |
| 2068 Example: (defsetf nth (n x) (v) (list 'setcar (list 'nthcdr n x) v))." | |
| 2069 (if (listp arg1) | |
| 2070 (let* ((largs nil) (largsr nil) | |
| 2071 (temps nil) (tempsr nil) | |
| 2072 (restarg nil) (rest-temps nil) | |
| 2073 (store-var (car (prog1 (car args) (setq args (cdr args))))) | |
| 2074 (store-temp (intern (format "--%s--temp--" store-var))) | |
| 2075 (lets1 nil) (lets2 nil) | |
| 2076 (docstr nil) (p arg1)) | |
| 2077 (if (stringp (car args)) | |
| 2078 (setq docstr (prog1 (car args) (setq args (cdr args))))) | |
| 2079 (while (and p (not (eq (car p) '&aux))) | |
| 2080 (if (eq (car p) '&rest) | |
| 2081 (setq p (cdr p) restarg (car p)) | |
| 2082 (or (memq (car p) '(&optional &key &allow-other-keys)) | |
| 2083 (setq largs (cons (if (consp (car p)) (car (car p)) (car p)) | |
| 2084 largs) | |
| 2085 temps (cons (intern (format "--%s--temp--" (car largs))) | |
| 2086 temps)))) | |
| 2087 (setq p (cdr p))) | |
| 2088 (setq largs (nreverse largs) temps (nreverse temps)) | |
| 2089 (if restarg | |
| 2090 (setq largsr (append largs (list restarg)) | |
| 2091 rest-temps (intern (format "--%s--temp--" restarg)) | |
| 2092 tempsr (append temps (list rest-temps))) | |
| 2093 (setq largsr largs tempsr temps)) | |
| 2094 (let ((p1 largs) (p2 temps)) | |
| 2095 (while p1 | |
| 2096 (setq lets1 (cons (list (car p2) | |
| 2097 (list 'gensym (format "--%s--" (car p1)))) | |
| 2098 lets1) | |
| 2099 lets2 (cons (list (car p1) (car p2)) lets2) | |
| 2100 p1 (cdr p1) p2 (cdr p2)))) | |
| 2101 (if restarg (setq lets2 (cons (list restarg rest-temps) lets2))) | |
| 2102 (append (list 'define-setf-method func arg1) | |
| 2103 (and docstr (list docstr)) | |
| 2104 (list | |
| 2105 (list 'let* | |
| 2106 (nreverse | |
| 2107 (cons (list store-temp | |
| 2108 (list 'gensym (format "--%s--" store-var))) | |
| 2109 (if restarg | |
| 2110 (append | |
| 2111 (list | |
| 2112 (list rest-temps | |
| 2113 (list 'mapcar '(quote gensym) | |
| 2114 restarg))) | |
| 2115 lets1) | |
| 2116 lets1))) | |
| 2117 (list 'list ; 'values | |
| 2118 (cons (if restarg 'list* 'list) tempsr) | |
| 2119 (cons (if restarg 'list* 'list) largsr) | |
| 2120 (list 'list store-temp) | |
| 2121 (cons 'let* | |
| 2122 (cons (nreverse | |
| 2123 (cons (list store-var store-temp) | |
| 2124 lets2)) | |
| 2125 args)) | |
| 2126 (cons (if restarg 'list* 'list) | |
| 2127 (cons (list 'quote func) tempsr))))))) | |
| 2128 (list 'defsetf func '(&rest args) '(store) | |
| 2129 (let ((call (list 'cons (list 'quote arg1) | |
| 2130 '(append args (list store))))) | |
| 2131 (if (car args) | |
| 2132 (list 'list '(quote progn) call 'store) | |
| 2133 call))))) | |
| 2134 | |
| 2135 ;;; Some standard place types from Common Lisp. | |
| 2153 | 2136 (eval-when-compile (defvar ignored-arg)) ; XEmacs: warning suppression |
| 428 | 2137 (defsetf aref aset) |
| 2138 (defsetf car setcar) | |
| 2139 (defsetf cdr setcdr) | |
| 2153 | 2140 (defsetf caar (x) (val) (list 'setcar (list 'car x) val)) |
| 2141 (defsetf cadr (x) (val) (list 'setcar (list 'cdr x) val)) | |
| 2142 (defsetf cdar (x) (val) (list 'setcdr (list 'car x) val)) | |
| 2143 (defsetf cddr (x) (val) (list 'setcdr (list 'cdr x) val)) | |
| 428 | 2144 (defsetf elt (seq n) (store) |
| 2145 (list 'if (list 'listp seq) (list 'setcar (list 'nthcdr n seq) store) | |
| 2146 (list 'aset seq n store))) | |
| 2153 | 2147 ;; XEmacs change: ignore the optional DEFAULT arguments |
| 428 | 2148 (defsetf get (x y &optional ignored-arg) (store) (list 'put x y store)) |
| 2149 (defsetf get* (x y &optional ignored-arg) (store) (list 'put x y store)) | |
| 2153 | 2150 (defsetf gethash (x h &optional ignored-arg) (store) (list 'puthash x store h)) |
| 428 | 2151 (defsetf nth (n x) (store) (list 'setcar (list 'nthcdr n x) store)) |
| 2152 (defsetf subseq (seq start &optional end) (new) | |
| 2153 | 2153 (list 'progn (list 'replace seq new :start1 start :end1 end) new)) |
| 428 | 2154 (defsetf symbol-function fset) |
| 2155 (defsetf symbol-plist setplist) | |
| 2156 (defsetf symbol-value set) | |
| 2157 | |
| 2158 ;;; Various car/cdr aliases. Note that `cadr' is handled specially. | |
| 2159 (defsetf first setcar) | |
| 2160 (defsetf second (x) (store) (list 'setcar (list 'cdr x) store)) | |
| 2161 (defsetf third (x) (store) (list 'setcar (list 'cddr x) store)) | |
| 2162 (defsetf fourth (x) (store) (list 'setcar (list 'cdddr x) store)) | |
| 2163 (defsetf fifth (x) (store) (list 'setcar (list 'nthcdr 4 x) store)) | |
| 2164 (defsetf sixth (x) (store) (list 'setcar (list 'nthcdr 5 x) store)) | |
| 2165 (defsetf seventh (x) (store) (list 'setcar (list 'nthcdr 6 x) store)) | |
| 2166 (defsetf eighth (x) (store) (list 'setcar (list 'nthcdr 7 x) store)) | |
| 2167 (defsetf ninth (x) (store) (list 'setcar (list 'nthcdr 8 x) store)) | |
| 2168 (defsetf tenth (x) (store) (list 'setcar (list 'nthcdr 9 x) store)) | |
| 2169 (defsetf rest setcdr) | |
| 2170 | |
| 2171 ;;; Some more Emacs-related place types. | |
| 2172 (defsetf buffer-file-name set-visited-file-name t) | |
| 2153 | 2173 ;; XEmacs change: we do not need to wrap this in with-current-buffer |
| 428 | 2174 (defsetf buffer-modified-p set-buffer-modified-p t) |
| 2175 (defsetf buffer-name rename-buffer t) | |
| 2176 (defsetf buffer-string () (store) | |
| 2177 (list 'progn '(erase-buffer) (list 'insert store))) | |
| 2178 (defsetf buffer-substring cl-set-buffer-substring) | |
| 2179 (defsetf current-buffer set-buffer) | |
| 2180 (defsetf current-case-table set-case-table) | |
| 2181 (defsetf current-column move-to-column t) | |
| 2182 (defsetf current-global-map use-global-map t) | |
| 2183 (defsetf current-input-mode () (store) | |
| 2184 (list 'progn (list 'apply 'set-input-mode store) store)) | |
| 2185 (defsetf current-local-map use-local-map t) | |
| 2186 (defsetf current-window-configuration set-window-configuration t) | |
| 2187 (defsetf default-file-modes set-default-file-modes t) | |
| 2188 (defsetf default-value set-default) | |
| 2189 (defsetf documentation-property put) | |
| 2153 | 2190 ;;(defsetf extent-data set-extent-data) |
| 428 | 2191 (defsetf extent-face set-extent-face) |
| 2192 (defsetf extent-priority set-extent-priority) | |
| 2153 | 2193 ;; XEmacs addition |
| 428 | 2194 (defsetf extent-property (x y &optional ignored-arg) (arg) |
| 2195 (list 'set-extent-property x y arg)) | |
| 2153 | 2196 (defsetf extent-end-position (ext) (store) |
| 2197 `(progn (set-extent-endpoints ,ext (extent-start-position ,ext) ,store) | |
| 2198 ,store)) | |
| 428 | 2199 (defsetf extent-start-position (ext) (store) |
| 2200 `(progn (set-extent-endpoints ,ext ,store (extent-end-position ,ext)) | |
| 2201 ,store)) | |
| 2202 (defsetf face-background (f &optional s) (x) (list 'set-face-background f x s)) | |
| 2203 (defsetf face-background-pixmap (f &optional s) (x) | |
| 2204 (list 'set-face-background-pixmap f x s)) | |
|
5080
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5076
diff
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|
2205 (defsetf face-background-placement (f &optional s) (x) |
|
5502045ec510
The background-placement face property.
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parents:
5076
diff
changeset
|
2206 (list 'set-face-background-placement f x s)) |
| 428 | 2207 (defsetf face-font (f &optional s) (x) (list 'set-face-font f x s)) |
| 2208 (defsetf face-foreground (f &optional s) (x) (list 'set-face-foreground f x s)) | |
| 2209 (defsetf face-underline-p (f &optional s) (x) | |
| 2210 (list 'set-face-underline-p f x s)) | |
| 2211 (defsetf file-modes set-file-modes t) | |
| 2153 | 2212 (defsetf frame-height (&optional f) (v) |
| 2213 `(progn (set-frame-height ,f ,v) ,v)) | |
| 428 | 2214 (defsetf frame-parameters modify-frame-parameters t) |
| 2215 (defsetf frame-visible-p cl-set-frame-visible-p) | |
| 2153 | 2216 (defsetf frame-width (&optional f) (v) |
| 2217 `(progn (set-frame-width ,f ,v) ,v)) | |
| 2218 ;; XEmacs change: frame-properties instead of frame-parameters | |
| 428 | 2219 (defsetf frame-properties (&optional f) (p) |
| 2220 `(progn (set-frame-properties ,f ,p) ,p)) | |
| 2221 (defsetf frame-property (f p &optional ignored-arg) (v) | |
| 2222 `(progn (set-frame-property ,f ,v) ,p)) | |
| 2153 | 2223 ;; XEmacs addition |
| 428 | 2224 (defsetf current-frame-configuration set-frame-configuration) |
| 2225 | |
| 2226 ;; XEmacs: new stuff | |
| 2227 ;; Consoles | |
| 2228 (defsetf selected-console select-console t) | |
| 2229 (defsetf selected-device select-device t) | |
| 2230 (defsetf device-baud-rate (&optional d) (v) | |
| 2231 `(set-device-baud-rate ,d ,v)) | |
| 2232 ;; This setf method is a bad idea, because set-specifier *adds* a | |
| 2233 ;; specification, rather than just setting it. The net effect is that | |
| 2234 ;; it makes specifier-instance return VAL, but other things don't work | |
| 2235 ;; as expected -- letf, to name one. | |
| 2236 ;(defsetf specifier-instance (spec &optional dom def nof) (val) | |
| 2237 ; `(set-specifier ,spec ,val ,dom)) | |
| 2238 | |
| 2239 ;; Annotations | |
| 2240 (defsetf annotation-glyph set-annotation-glyph) | |
| 2241 (defsetf annotation-down-glyph set-annotation-down-glyph) | |
| 2242 (defsetf annotation-face set-annotation-face) | |
| 2243 (defsetf annotation-layout set-annotation-layout) | |
| 2244 (defsetf annotation-data set-annotation-data) | |
| 2245 (defsetf annotation-action set-annotation-action) | |
| 2246 (defsetf annotation-menu set-annotation-menu) | |
| 2247 ;; Widget | |
| 2248 (defsetf widget-get widget-put t) | |
| 2249 (defsetf widget-value widget-value-set t) | |
| 2250 | |
| 2251 ;; Misc | |
| 2252 (defsetf recent-keys-ring-size set-recent-keys-ring-size) | |
| 2253 (defsetf symbol-value-in-buffer (s b &optional ignored-arg) (store) | |
| 2254 `(with-current-buffer ,b (set ,s ,store))) | |
| 2255 (defsetf symbol-value-in-console (s c &optional ignored-arg) (store) | |
| 2256 `(letf (((selected-console) ,c)) | |
| 2257 (set ,s ,store))) | |
| 2258 | |
| 2259 (defsetf buffer-dedicated-frame (&optional b) (v) | |
| 2260 `(set-buffer-dedicated-frame ,b ,v)) | |
| 2261 (defsetf console-type-image-conversion-list | |
| 2262 set-console-type-image-conversion-list) | |
| 2263 (defsetf default-toolbar-position set-default-toolbar-position) | |
| 2264 (defsetf device-class (&optional d) (v) | |
| 2265 `(set-device-class ,d ,v)) | |
| 2266 (defsetf extent-begin-glyph set-extent-begin-glyph) | |
| 2267 (defsetf extent-begin-glyph-layout set-extent-begin-glyph-layout) | |
| 2268 (defsetf extent-end-glyph set-extent-end-glyph) | |
| 2269 (defsetf extent-end-glyph-layout set-extent-end-glyph-layout) | |
| 2270 (defsetf extent-keymap set-extent-keymap) | |
| 2271 (defsetf extent-parent set-extent-parent) | |
| 2272 (defsetf extent-properties set-extent-properties) | |
| 2273 ;; Avoid adding various face and glyph functions. | |
| 2274 (defsetf frame-selected-window (&optional f) (v) | |
| 2275 `(set-frame-selected-window ,f ,v)) | |
| 2276 (defsetf glyph-image (glyph &optional domain) (i) | |
| 2277 (list 'set-glyph-image glyph i domain)) | |
| 2278 (defsetf itimer-function set-itimer-function) | |
| 2279 (defsetf itimer-function-arguments set-itimer-function-arguments) | |
| 2280 (defsetf itimer-is-idle set-itimer-is-idle) | |
| 2281 (defsetf itimer-recorded-run-time set-itimer-recorded-run-time) | |
| 2282 (defsetf itimer-restart set-itimer-restart) | |
| 2283 (defsetf itimer-uses-arguments set-itimer-uses-arguments) | |
| 2284 (defsetf itimer-value set-itimer-value) | |
| 2285 (defsetf keymap-parents set-keymap-parents) | |
| 2286 (defsetf marker-insertion-type set-marker-insertion-type) | |
| 2287 (defsetf mouse-pixel-position (&optional d) (v) | |
| 2288 `(progn | |
| 2289 (set-mouse-pixel-position ,d ,(car v) ,(car (cdr v)) ,(cdr (cdr v))) | |
| 2290 ,v)) | |
| 2291 (defsetf trunc-stack-length set-trunc-stack-length) | |
| 2292 (defsetf trunc-stack-stack set-trunc-stack-stack) | |
| 2293 (defsetf undoable-stack-max set-undoable-stack-max) | |
| 2294 (defsetf weak-list-list set-weak-list-list) | |
| 2153 | 2295 ;; End of new XEmacs stuff |
| 428 | 2296 |
| 2297 (defsetf getenv setenv t) | |
| 2298 (defsetf get-register set-register) | |
| 2299 (defsetf global-key-binding global-set-key) | |
| 2300 (defsetf keymap-parent set-keymap-parent) | |
| 2153 | 2301 ;; XEmacs addition: more keymap-related setf forms |
| 428 | 2302 (defsetf keymap-name set-keymap-name) |
| 2303 (defsetf keymap-prompt set-keymap-prompt) | |
| 2304 (defsetf keymap-default-binding set-keymap-default-binding) | |
| 2305 (defsetf local-key-binding local-set-key) | |
| 2306 (defsetf mark set-mark t) | |
| 2307 (defsetf mark-marker set-mark t) | |
| 2308 (defsetf marker-position set-marker t) | |
| 2309 (defsetf match-data store-match-data t) | |
| 2310 (defsetf mouse-position (scr) (store) | |
| 2311 (list 'set-mouse-position scr (list 'car store) (list 'cadr store) | |
| 2312 (list 'cddr store))) | |
| 2313 (defsetf overlay-get overlay-put) | |
| 2314 (defsetf overlay-start (ov) (store) | |
| 2315 (list 'progn (list 'move-overlay ov store (list 'overlay-end ov)) store)) | |
| 2316 (defsetf overlay-end (ov) (store) | |
| 2317 (list 'progn (list 'move-overlay ov (list 'overlay-start ov) store) store)) | |
| 2318 (defsetf point goto-char) | |
| 2319 (defsetf point-marker goto-char t) | |
| 2320 (defsetf point-max () (store) | |
| 2321 (list 'progn (list 'narrow-to-region '(point-min) store) store)) | |
| 2322 (defsetf point-min () (store) | |
| 2323 (list 'progn (list 'narrow-to-region store '(point-max)) store)) | |
| 2324 (defsetf process-buffer set-process-buffer) | |
| 2325 (defsetf process-filter set-process-filter) | |
| 2326 (defsetf process-sentinel set-process-sentinel) | |
| 2153 | 2327 ;;(defsetf process-get process-put) |
| 428 | 2328 (defsetf read-mouse-position (scr) (store) |
| 2329 (list 'set-mouse-position scr (list 'car store) (list 'cdr store))) | |
| 2153 | 2330 ;;(defsetf screen-height set-screen-height t) |
| 2331 ;;(defsetf screen-width set-screen-width t) | |
| 428 | 2332 (defsetf selected-window select-window) |
| 2153 | 2333 ;;(defsetf selected-screen select-screen) |
| 428 | 2334 (defsetf selected-frame select-frame) |
| 2335 (defsetf standard-case-table set-standard-case-table) | |
| 2336 (defsetf syntax-table set-syntax-table) | |
| 2337 (defsetf visited-file-modtime set-visited-file-modtime t) | |
| 2338 (defsetf window-buffer set-window-buffer t) | |
| 2339 (defsetf window-display-table set-window-display-table t) | |
| 2340 (defsetf window-dedicated-p set-window-dedicated-p t) | |
| 2341 (defsetf window-height (&optional window) (store) | |
| 2342 `(progn (enlarge-window (- ,store (window-height)) nil ,window) ,store)) | |
| 2343 (defsetf window-hscroll set-window-hscroll) | |
| 2344 (defsetf window-point set-window-point) | |
| 2345 (defsetf window-start set-window-start) | |
| 2346 (defsetf window-width (&optional window) (store) | |
| 2347 `(progn (enlarge-window (- ,store (window-width)) t ,window) ,store)) | |
| 2348 (defsetf x-get-cutbuffer x-store-cutbuffer t) | |
| 2349 (defsetf x-get-cut-buffer x-store-cut-buffer t) ; groan. | |
| 2350 (defsetf x-get-secondary-selection x-own-secondary-selection t) | |
| 2351 (defsetf x-get-selection x-own-selection t) | |
| 442 | 2352 (defsetf get-selection own-selection t) |
| 428 | 2353 |
| 2354 ;;; More complex setf-methods. | |
| 2355 ;;; These should take &environment arguments, but since full arglists aren't | |
| 2356 ;;; available while compiling cl-macs, we fake it by referring to the global | |
| 2357 ;;; variable cl-macro-environment directly. | |
| 2358 | |
| 2359 (define-setf-method apply (func arg1 &rest rest) | |
| 2360 (or (and (memq (car-safe func) '(quote function function*)) | |
| 2361 (symbolp (car-safe (cdr-safe func)))) | |
| 2362 (error "First arg to apply in setf is not (function SYM): %s" func)) | |
| 2363 (let* ((form (cons (nth 1 func) (cons arg1 rest))) | |
| 2364 (method (get-setf-method form cl-macro-environment))) | |
| 2365 (list (car method) (nth 1 method) (nth 2 method) | |
| 2366 (cl-setf-make-apply (nth 3 method) (cadr func) (car method)) | |
| 2367 (cl-setf-make-apply (nth 4 method) (cadr func) (car method))))) | |
| 2368 | |
| 2369 (defun cl-setf-make-apply (form func temps) | |
| 2370 (if (eq (car form) 'progn) | |
| 2371 (list* 'progn (cl-setf-make-apply (cadr form) func temps) (cddr form)) | |
| 2372 (or (equal (last form) (last temps)) | |
| 2373 (error "%s is not suitable for use with setf-of-apply" func)) | |
| 2374 (list* 'apply (list 'quote (car form)) (cdr form)))) | |
| 2375 | |
| 2376 (define-setf-method nthcdr (n place) | |
| 2377 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2378 (n-temp (gensym "--nthcdr-n--")) | |
| 2379 (store-temp (gensym "--nthcdr-store--"))) | |
| 2380 (list (cons n-temp (car method)) | |
| 2381 (cons n (nth 1 method)) | |
| 2382 (list store-temp) | |
| 2383 (list 'let (list (list (car (nth 2 method)) | |
| 2384 (list 'cl-set-nthcdr n-temp (nth 4 method) | |
| 2385 store-temp))) | |
| 2386 (nth 3 method) store-temp) | |
| 2387 (list 'nthcdr n-temp (nth 4 method))))) | |
| 2388 | |
| 2389 (define-setf-method getf (place tag &optional def) | |
| 2390 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2391 (tag-temp (gensym "--getf-tag--")) | |
| 2392 (def-temp (gensym "--getf-def--")) | |
| 2393 (store-temp (gensym "--getf-store--"))) | |
| 2394 (list (append (car method) (list tag-temp def-temp)) | |
| 2395 (append (nth 1 method) (list tag def)) | |
| 2396 (list store-temp) | |
| 2397 (list 'let (list (list (car (nth 2 method)) | |
| 2398 (list 'cl-set-getf (nth 4 method) | |
| 2399 tag-temp store-temp))) | |
| 2400 (nth 3 method) store-temp) | |
| 2401 (list 'getf (nth 4 method) tag-temp def-temp)))) | |
| 2402 | |
| 2403 (define-setf-method substring (place from &optional to) | |
| 2404 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2405 (from-temp (gensym "--substring-from--")) | |
| 2406 (to-temp (gensym "--substring-to--")) | |
| 2407 (store-temp (gensym "--substring-store--"))) | |
| 2408 (list (append (car method) (list from-temp to-temp)) | |
| 2409 (append (nth 1 method) (list from to)) | |
| 2410 (list store-temp) | |
| 2411 (list 'let (list (list (car (nth 2 method)) | |
| 2412 (list 'cl-set-substring (nth 4 method) | |
| 2413 from-temp to-temp store-temp))) | |
| 2414 (nth 3 method) store-temp) | |
| 2415 (list 'substring (nth 4 method) from-temp to-temp)))) | |
| 2416 | |
| 2153 | 2417 ;; XEmacs addition |
| 428 | 2418 (define-setf-method values (&rest args) |
| 2419 (let ((methods (mapcar #'(lambda (x) | |
| 2420 (get-setf-method x cl-macro-environment)) | |
| 2421 args)) | |
| 2422 (store-temp (gensym "--values-store--"))) | |
| 2423 (list (apply 'append (mapcar 'first methods)) | |
| 2424 (apply 'append (mapcar 'second methods)) | |
|
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|
2425 `((,store-temp |
|
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|
2426 (multiple-value-list-internal 0 ,(if args (length args) 1)))) |
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|
2427 (cons 'values |
| 428 | 2428 (mapcar #'(lambda (m) |
| 2429 (cl-setf-do-store (cons (car (third m)) (fourth m)) | |
| 2430 (list 'pop store-temp))) | |
| 2431 methods)) | |
| 2432 (cons 'list (mapcar 'fifth methods))))) | |
| 2433 | |
| 2434 ;;; Getting and optimizing setf-methods. | |
| 2435 ;;;###autoload | |
| 2436 (defun get-setf-method (place &optional env) | |
| 2437 "Return a list of five values describing the setf-method for PLACE. | |
| 2438 PLACE may be any Lisp form which can appear as the PLACE argument to | |
| 2439 a macro like `setf' or `incf'." | |
| 2440 (if (symbolp place) | |
| 2441 (let ((temp (gensym "--setf--"))) | |
| 2442 (list nil nil (list temp) (list 'setq place temp) place)) | |
| 2443 (or (and (symbolp (car place)) | |
| 2444 (let* ((func (car place)) | |
| 2445 (name (symbol-name func)) | |
| 2446 (method (get func 'setf-method)) | |
| 2447 (case-fold-search nil)) | |
| 2448 (or (and method | |
| 2449 (let ((cl-macro-environment env)) | |
| 2450 (setq method (apply method (cdr place)))) | |
| 2451 (if (and (consp method) (= (length method) 5)) | |
| 2452 method | |
| 2453 (error "Setf-method for %s returns malformed method" | |
| 2454 func))) | |
| 2455 (and (save-match-data | |
| 2456 (string-match "\\`c[ad][ad][ad]?[ad]?r\\'" name)) | |
| 2457 (get-setf-method (compiler-macroexpand place))) | |
| 2458 (and (eq func 'edebug-after) | |
| 2459 (get-setf-method (nth (1- (length place)) place) | |
| 2460 env))))) | |
| 2461 (if (eq place (setq place (macroexpand place env))) | |
| 2462 (if (and (symbolp (car place)) (fboundp (car place)) | |
| 2463 (symbolp (symbol-function (car place)))) | |
| 2464 (get-setf-method (cons (symbol-function (car place)) | |
| 2465 (cdr place)) env) | |
| 2466 (error "No setf-method known for %s" (car place))) | |
| 2467 (get-setf-method place env))))) | |
| 2468 | |
| 2469 (defun cl-setf-do-modify (place opt-expr) | |
| 2470 (let* ((method (get-setf-method place cl-macro-environment)) | |
| 2471 (temps (car method)) (values (nth 1 method)) | |
| 2472 (lets nil) (subs nil) | |
| 2473 (optimize (and (not (eq opt-expr 'no-opt)) | |
| 2474 (or (and (not (eq opt-expr 'unsafe)) | |
| 2475 (cl-safe-expr-p opt-expr)) | |
| 2476 (cl-setf-simple-store-p (car (nth 2 method)) | |
| 2477 (nth 3 method))))) | |
| 2478 (simple (and optimize (consp place) (cl-simple-exprs-p (cdr place))))) | |
| 2479 (while values | |
| 2480 (if (or simple (cl-const-expr-p (car values))) | |
| 2153 | 2481 (push (cons (pop temps) (pop values)) subs) |
| 2482 (push (list (pop temps) (pop values)) lets))) | |
| 428 | 2483 (list (nreverse lets) |
| 2484 (cons (car (nth 2 method)) (sublis subs (nth 3 method))) | |
| 2485 (sublis subs (nth 4 method))))) | |
| 2486 | |
| 2487 (defun cl-setf-do-store (spec val) | |
| 2488 (let ((sym (car spec)) | |
| 2489 (form (cdr spec))) | |
|
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|
2490 (if (consp sym) |
|
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|
2491 ;; XEmacs change, only used for implementing #'values at the moment. |
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2492 (let* ((orig (copy-list sym)) |
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2493 (intermediate (last orig)) |
|
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2494 (circular-limit 32)) |
|
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|
2495 (while (consp (car intermediate)) |
|
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|
2496 (when (zerop circular-limit) |
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|
2497 (error 'circular-list "Form seems to contain loops")) |
|
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2498 (setq intermediate (last (car intermediate)) |
|
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|
2499 circular-limit (1- circular-limit))) |
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|
2500 (setcdr intermediate (list val)) |
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|
2501 `(let (,orig) |
|
8f1ee2d15784
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|
2502 ,form)) |
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Support full Common Lisp multiple values in C.
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|
2503 (if (or (cl-const-expr-p val) |
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|
2504 (and (cl-simple-expr-p val) |
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4607
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|
2505 (eq (cl-expr-contains form sym) 1)) |
|
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2506 (cl-setf-simple-store-p sym form)) |
|
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Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
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2507 (subst val sym form) |
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|
2508 (list 'let (list (list sym val)) form))))) |
| 428 | 2509 |
| 2510 (defun cl-setf-simple-store-p (sym form) | |
| 2511 (and (consp form) (eq (cl-expr-contains form sym) 1) | |
| 2512 (eq (nth (1- (length form)) form) sym) | |
| 2513 (symbolp (car form)) (fboundp (car form)) | |
| 2514 (not (eq (car-safe (symbol-function (car form))) 'macro)))) | |
| 2515 | |
| 2516 ;;; The standard modify macros. | |
| 2517 ;;;###autoload | |
| 2518 (defmacro setf (&rest args) | |
| 2519 "(setf PLACE VAL PLACE VAL ...): set each PLACE to the value of its VAL. | |
| 2520 This is a generalized version of `setq'; the PLACEs may be symbolic | |
| 2521 references such as (car x) or (aref x i), as well as plain symbols. | |
| 2522 For example, (setf (cadar x) y) is equivalent to (setcar (cdar x) y). | |
| 2523 The return value is the last VAL in the list." | |
| 2524 (if (cdr (cdr args)) | |
| 2525 (let ((sets nil)) | |
| 2153 | 2526 (while args (push (list 'setf (pop args) (pop args)) sets)) |
| 428 | 2527 (cons 'progn (nreverse sets))) |
| 2528 (if (symbolp (car args)) | |
| 2529 (and args (cons 'setq args)) | |
| 2530 (let* ((method (cl-setf-do-modify (car args) (nth 1 args))) | |
| 2531 (store (cl-setf-do-store (nth 1 method) (nth 1 args)))) | |
| 2532 (if (car method) (list 'let* (car method) store) store))))) | |
| 2533 | |
| 2534 ;;;###autoload | |
| 2535 (defmacro psetf (&rest args) | |
| 2536 "(psetf PLACE VAL PLACE VAL ...): set PLACEs to the values VALs in parallel. | |
| 2537 This is like `setf', except that all VAL forms are evaluated (in order) | |
| 2538 before assigning any PLACEs to the corresponding values." | |
| 2539 (let ((p args) (simple t) (vars nil)) | |
| 2540 (while p | |
| 2541 (if (or (not (symbolp (car p))) (cl-expr-depends-p (nth 1 p) vars)) | |
| 2542 (setq simple nil)) | |
| 2543 (if (memq (car p) vars) | |
| 2544 (error "Destination duplicated in psetf: %s" (car p))) | |
| 2153 | 2545 (push (pop p) vars) |
| 428 | 2546 (or p (error "Odd number of arguments to psetf")) |
| 2153 | 2547 (pop p)) |
| 428 | 2548 (if simple |
| 2549 (list 'progn (cons 'setf args) nil) | |
| 2550 (setq args (reverse args)) | |
| 2551 (let ((expr (list 'setf (cadr args) (car args)))) | |
| 2552 (while (setq args (cddr args)) | |
| 2553 (setq expr (list 'setf (cadr args) (list 'prog1 (car args) expr)))) | |
| 2554 (list 'progn expr nil))))) | |
| 2555 | |
| 2556 ;;;###autoload | |
| 2557 (defun cl-do-pop (place) | |
| 2558 (if (cl-simple-expr-p place) | |
| 2559 (list 'prog1 (list 'car place) (list 'setf place (list 'cdr place))) | |
| 2560 (let* ((method (cl-setf-do-modify place t)) | |
| 2561 (temp (gensym "--pop--"))) | |
| 2562 (list 'let* | |
| 2563 (append (car method) | |
| 2564 (list (list temp (nth 2 method)))) | |
| 2565 (list 'prog1 | |
| 2566 (list 'car temp) | |
| 2567 (cl-setf-do-store (nth 1 method) (list 'cdr temp))))))) | |
| 2568 | |
| 2569 ;;;###autoload | |
| 2570 (defmacro remf (place tag) | |
|
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2571 "Remove TAG from property list PLACE. |
| 428 | 2572 PLACE may be a symbol, or any generalized variable allowed by `setf'. |
| 2573 The form returns true if TAG was found and removed, nil otherwise." | |
| 2574 (let* ((method (cl-setf-do-modify place t)) | |
| 2575 (tag-temp (and (not (cl-const-expr-p tag)) (gensym "--remf-tag--"))) | |
| 2576 (val-temp (and (not (cl-simple-expr-p place)) | |
| 2577 (gensym "--remf-place--"))) | |
| 2578 (ttag (or tag-temp tag)) | |
| 2579 (tval (or val-temp (nth 2 method)))) | |
| 2580 (list 'let* | |
| 2581 (append (car method) | |
| 2582 (and val-temp (list (list val-temp (nth 2 method)))) | |
| 2583 (and tag-temp (list (list tag-temp tag)))) | |
| 2584 (list 'if (list 'eq ttag (list 'car tval)) | |
| 2585 (list 'progn | |
| 2586 (cl-setf-do-store (nth 1 method) (list 'cddr tval)) | |
| 2587 t) | |
| 2588 (list 'cl-do-remf tval ttag))))) | |
| 2589 | |
| 2590 ;;;###autoload | |
| 2591 (defmacro shiftf (place &rest args) | |
| 2592 "(shiftf PLACE PLACE... VAL): shift left among PLACEs. | |
| 2593 Example: (shiftf A B C) sets A to B, B to C, and returns the old A. | |
| 2594 Each PLACE may be a symbol, or any generalized variable allowed by `setf'." | |
| 2153 | 2595 ;; XEmacs change: use iteration instead of recursion |
| 428 | 2596 (if (not (memq nil (mapcar 'symbolp (butlast (cons place args))))) |
| 2597 (list* 'prog1 place | |
| 2598 (let ((sets nil)) | |
| 2599 (while args | |
| 2153 | 2600 (push (list 'setq place (car args)) sets) |
| 2601 (setq place (pop args))) | |
| 428 | 2602 (nreverse sets))) |
| 2603 (let* ((places (reverse (cons place args))) | |
| 2153 | 2604 (form (pop places))) |
| 428 | 2605 (while places |
| 2153 | 2606 (let ((method (cl-setf-do-modify (pop places) 'unsafe))) |
| 428 | 2607 (setq form (list 'let* (car method) |
| 2608 (list 'prog1 (nth 2 method) | |
| 2609 (cl-setf-do-store (nth 1 method) form)))))) | |
| 2610 form))) | |
| 2611 | |
| 2612 ;;;###autoload | |
|
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2613 (defmacro rotatef (&rest places) |
|
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2614 "Rotate left among PLACES. |
| 428 | 2615 Example: (rotatef A B C) sets A to B, B to C, and C to A. It returns nil. |
| 2616 Each PLACE may be a symbol, or any generalized variable allowed by `setf'." | |
|
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2617 (if (not (memq nil (mapcar 'symbolp places))) |
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2618 (and (cdr places) |
| 428 | 2619 (let ((sets nil) |
|
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2620 (first (car places))) |
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2621 (while (cdr places) |
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2622 (setq sets (nconc sets (list (pop places) (car places))))) |
|
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2623 (nconc (list 'psetf) sets (list (car places) first)))) |
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|
2624 (let* ((places (reverse places)) |
| 428 | 2625 (temp (gensym "--rotatef--")) |
| 2626 (form temp)) | |
| 2627 (while (cdr places) | |
| 2153 | 2628 (let ((method (cl-setf-do-modify (pop places) 'unsafe))) |
| 428 | 2629 (setq form (list 'let* (car method) |
| 2630 (list 'prog1 (nth 2 method) | |
| 2631 (cl-setf-do-store (nth 1 method) form)))))) | |
| 2632 (let ((method (cl-setf-do-modify (car places) 'unsafe))) | |
| 2633 (list 'let* (append (car method) (list (list temp (nth 2 method)))) | |
| 2634 (cl-setf-do-store (nth 1 method) form) nil))))) | |
| 2635 | |
|
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|
2636 ;; This function is not in Common Lisp, and there are gaps in its structure and |
|
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|
2637 ;; implementation that reflect that it was never well-specified. E.g. with |
|
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|
2638 ;; setf, the question of whether a PLACE is bound or not and how to make it |
|
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|
2639 ;; unbound doesn't arise, but we need some way of specifying that for letf to |
|
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|
2640 ;; be sensible for gethash, symbol-value and so on; currently we just hard-code |
|
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parents:
4723
diff
changeset
|
2641 ;; 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
|
2642 ;; 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
|
2643 ;; wrong behaviour for gethash: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2644 ;; |
|
4820
e6dec75ded0e
Use keywords, not ordinary symbols, in the structure syntax for hash tables.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4810
diff
changeset
|
2645 ;; (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
|
2646 ;; print-gensym t) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2647 ;; => t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2648 ;; (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
|
2649 ;; => #:G68010 |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2650 ;; (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
|
2651 ;; (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
|
2652 ;; => "key value is 4000" |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2653 ;; (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
|
2654 ;; => 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
|
2655 ;; |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2656 ;; 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
|
2657 |
| 428 | 2658 ;;;###autoload |
| 2659 (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
|
2660 "Temporarily bind to PLACEs. |
| 428 | 2661 This is the analogue of `let', but with generalized variables (in the |
| 2662 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding | |
| 2663 VALUE, then the BODY forms are executed. On exit, either normally or | |
| 2664 because of a `throw' or error, the PLACEs are set back to their original | |
| 2665 values. Note that this macro is *not* available in Common Lisp. | |
| 2666 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
|
2667 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
|
2668 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2669 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)" |
| 428 | 2670 (if (and (not (cdr bindings)) (cdar bindings) (symbolp (caar bindings))) |
| 2671 (list* 'let bindings body) | |
| 2672 (let ((lets nil) | |
| 2673 (rev (reverse bindings))) | |
| 2674 (while rev | |
| 2675 (let* ((place (if (symbolp (caar rev)) | |
| 2676 (list 'symbol-value (list 'quote (caar rev))) | |
| 2677 (caar rev))) | |
| 2678 (value (cadar rev)) | |
| 2679 (method (cl-setf-do-modify place 'no-opt)) | |
| 2680 (save (gensym "--letf-save--")) | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2681 (bound (and (memq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2682 '(symbol-value symbol-function values)) |
| 428 | 2683 (gensym "--letf-bound--"))) |
| 2684 (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
|
2685 (gensym "--letf-val--"))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2686 (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
|
2687 (gensym "--letf-syms--"))) |
|
4783
e29fcfd8df5f
Eliminate most core code byte-compile warnings.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4742
diff
changeset
|
2688 (cursor (and syms (gensym "--letf-cursor--")))) |
| 428 | 2689 (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
|
2690 (cond |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2691 (syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2692 `((,syms ',(loop |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2693 for sym in (cdr place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2694 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
|
2695 (,cursor ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2696 (,bound nil) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2697 (,save |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2698 (prog2 |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2699 (while (consp ,cursor) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2700 (setq ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2701 (cons (and (boundp (car ,cursor)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2702 (symbol-value |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2703 (car ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2704 ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2705 ,cursor (cdr ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2706 ;; 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
|
2707 ;; variable here, to initialise ,save: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2708 (nreverse ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2709 ;; Now, really initialise ,bound: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2710 (setq ,cursor ,syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2711 ,bound nil |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2712 ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2713 (progn (while (consp ,cursor) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2714 (setq ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2715 (cons |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2716 (boundp (car ,cursor)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2717 ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2718 ,cursor (cdr ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2719 (nreverse ,bound))))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2720 (bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2721 (list (list bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2722 (list (if (eq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2723 'symbol-value) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2724 'boundp 'fboundp) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2725 (nth 1 (nth 2 method)))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2726 (list save (list 'and bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2727 (nth 2 method))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2728 (t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2729 (list (list save (nth 2 method))))) |
| 428 | 2730 (and temp (list (list temp value))) |
| 2731 lets) | |
| 2732 body (list | |
| 2733 (list 'unwind-protect | |
| 2734 (cons 'progn | |
| 2735 (if (cdr (car rev)) | |
| 2736 (cons (cl-setf-do-store (nth 1 method) | |
| 2737 (or temp value)) | |
| 2738 body) | |
| 2739 body)) | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2740 (cond |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2741 (syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2742 `(while (consp ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2743 (if (car ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2744 (set (car ,syms) (car ,save)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
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parents:
4723
diff
changeset
|
2745 (makunbound (car ,syms))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2746 (setq ,syms (cdr ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2747 ,bound (cdr ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2748 ,save (cdr ,save)))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2749 (bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2750 (list 'if bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2751 (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
|
2752 (list (if (eq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2753 'symbol-function) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2754 'fmakunbound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2755 'makunbound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2756 (nth 1 (nth 2 method))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
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|
2757 (t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2758 (cl-setf-do-store (nth 1 method) save))))) |
| 428 | 2759 rev (cdr rev)))) |
| 2760 (list* 'let* lets body)))) | |
| 2761 | |
| 2762 ;;;###autoload | |
| 2763 (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
|
2764 "Temporarily bind to PLACES. |
| 428 | 2765 This is the analogue of `let*', but with generalized variables (in the |
| 2766 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding | |
| 2767 VALUE, then the BODY forms are executed. On exit, either normally or | |
| 2768 because of a `throw' or error, the PLACEs are set back to their original | |
| 2769 values. Note that this macro is *not* available in Common Lisp. | |
| 2770 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>
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5182
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changeset
|
2771 the PLACE is not modified before executing BODY. |
|
2d0937dc83cf
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5182
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changeset
|
2772 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2773 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)" |
| 428 | 2774 (if (null bindings) |
| 2775 (cons 'progn body) | |
| 2776 (setq bindings (reverse bindings)) | |
| 2777 (while bindings | |
| 2153 | 2778 (setq body (list (list* 'letf (list (pop bindings)) body)))) |
| 428 | 2779 (car body))) |
| 2780 | |
| 2781 ;;;###autoload | |
| 2782 (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
|
2783 "Set PLACE to (FUNC PLACE ARGS...). |
| 428 | 2784 FUNC should be an unquoted function name. PLACE may be a symbol, |
| 2785 or any generalized variable allowed by `setf'." | |
| 2786 (let* ((method (cl-setf-do-modify place (cons 'list args))) | |
| 2787 (rargs (cons (nth 2 method) args))) | |
| 2788 (list 'let* (car method) | |
| 2789 (cl-setf-do-store (nth 1 method) | |
| 2790 (if (symbolp func) (cons func rargs) | |
| 2791 (list* 'funcall (list 'function func) | |
| 2792 rargs)))))) | |
| 2793 | |
| 2794 ;;;###autoload | |
| 2795 (defmacro callf2 (func arg1 place &rest args) | |
|
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diff
changeset
|
2796 "Set PLACE to (FUNC ARG1 PLACE ARGS...). |
| 428 | 2797 Like `callf', but PLACE is the second argument of FUNC, not the first." |
| 2798 (if (and (cl-safe-expr-p arg1) (cl-simple-expr-p place) (symbolp func)) | |
| 2799 (list 'setf place (list* func arg1 place args)) | |
| 2800 (let* ((method (cl-setf-do-modify place (cons 'list args))) | |
| 2801 (temp (and (not (cl-const-expr-p arg1)) (gensym "--arg1--"))) | |
| 2802 (rargs (list* (or temp arg1) (nth 2 method) args))) | |
| 2803 (list 'let* (append (and temp (list (list temp arg1))) (car method)) | |
| 2804 (cl-setf-do-store (nth 1 method) | |
| 2805 (if (symbolp func) (cons func rargs) | |
| 2806 (list* 'funcall (list 'function func) | |
| 2807 rargs))))))) | |
| 2808 | |
| 2809 ;;;###autoload | |
| 2810 (defmacro define-modify-macro (name arglist func &optional doc) | |
|
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4694
diff
changeset
|
2811 "Define a `setf'-like modify macro. |
| 428 | 2812 If NAME is called, it combines its PLACE argument with the other arguments |
| 2813 from ARGLIST using FUNC: (define-modify-macro incf (&optional (n 1)) +)" | |
| 2814 (if (memq '&key arglist) (error "&key not allowed in define-modify-macro")) | |
| 2815 (let ((place (gensym "--place--"))) | |
| 2816 (list 'defmacro* name (cons place arglist) doc | |
| 2817 (list* (if (memq '&rest arglist) 'list* 'list) | |
| 2818 '(quote callf) (list 'quote func) place | |
| 2819 (cl-arglist-args arglist))))) | |
| 2820 | |
| 2821 | |
| 2822 ;;; Structures. | |
| 2823 | |
| 2824 ;;;###autoload | |
| 2825 (defmacro defstruct (struct &rest descs) | |
| 2826 "(defstruct (NAME OPTIONS...) (SLOT SLOT-OPTS...)...): define a struct type. | |
| 2827 This macro defines a new Lisp data type called NAME, which contains data | |
| 2828 stored in SLOTs. This defines a `make-NAME' constructor, a `copy-NAME' | |
| 2829 copier, a `NAME-p' predicate, and setf-able `NAME-SLOT' accessors." | |
| 2830 (let* ((name (if (consp struct) (car struct) struct)) | |
| 2831 (opts (cdr-safe struct)) | |
| 2832 (slots nil) | |
| 2833 (defaults nil) | |
| 2834 (conc-name (concat (symbol-name name) "-")) | |
| 2835 (constructor (intern (format "make-%s" name))) | |
| 2836 (constrs nil) | |
| 2837 (copier (intern (format "copy-%s" name))) | |
| 2838 (predicate (intern (format "%s-p" name))) | |
| 2839 (print-func nil) (print-auto nil) | |
| 2840 (safety (if (cl-compiling-file) cl-optimize-safety 3)) | |
| 2841 (include nil) | |
| 2842 (tag (intern (format "cl-struct-%s" name))) | |
| 2843 (tag-symbol (intern (format "cl-struct-%s-tags" name))) | |
| 2844 (include-descs nil) | |
| 2845 (side-eff nil) | |
| 2846 (type nil) | |
| 2847 (named nil) | |
| 2848 (forms nil) | |
| 2849 pred-form pred-check) | |
| 2850 (if (stringp (car descs)) | |
| 2153 | 2851 (push (list 'put (list 'quote name) '(quote structure-documentation) |
| 2852 (pop descs)) forms)) | |
| 428 | 2853 (setq descs (cons '(cl-tag-slot) |
| 2854 (mapcar #'(lambda (x) (if (consp x) x (list x))) | |
| 2855 descs))) | |
| 2856 (while opts | |
| 2857 (let ((opt (if (consp (car opts)) (caar opts) (car opts))) | |
| 2153 | 2858 (args (cdr-safe (pop opts)))) |
| 2859 (cond ((eq opt :conc-name) | |
| 428 | 2860 (if args |
| 2861 (setq conc-name (if (car args) | |
| 2862 (symbol-name (car args)) "")))) | |
| 2153 | 2863 ((eq opt :constructor) |
| 428 | 2864 (if (cdr args) |
| 2153 | 2865 (push args constrs) |
| 428 | 2866 (if args (setq constructor (car args))))) |
| 2153 | 2867 ((eq opt :copier) |
| 428 | 2868 (if args (setq copier (car args)))) |
| 2153 | 2869 ((eq opt :predicate) |
| 428 | 2870 (if args (setq predicate (car args)))) |
| 2153 | 2871 ((eq opt :include) |
| 428 | 2872 (setq include (car args) |
| 2873 include-descs (mapcar #'(lambda (x) | |
| 2874 (if (consp x) x (list x))) | |
| 2875 (cdr args)))) | |
| 2153 | 2876 ((eq opt :print-function) |
| 428 | 2877 (setq print-func (car args))) |
| 2153 | 2878 ((eq opt :type) |
| 428 | 2879 (setq type (car args))) |
| 2153 | 2880 ((eq opt :named) |
| 428 | 2881 (setq named t)) |
| 2153 | 2882 ((eq opt :initial-offset) |
| 428 | 2883 (setq descs (nconc (make-list (car args) '(cl-skip-slot)) |
| 2884 descs))) | |
| 2885 (t | |
| 2886 (error "Slot option %s unrecognized" opt))))) | |
| 2887 (if print-func | |
| 2888 (setq print-func (list 'progn | |
| 2889 (list 'funcall (list 'function print-func) | |
| 2890 'cl-x 'cl-s 'cl-n) t)) | |
| 2891 (or type (and include (not (get include 'cl-struct-print))) | |
| 2892 (setq print-auto t | |
| 2893 print-func (and (or (not (or include type)) (null print-func)) | |
| 2894 (list 'progn | |
| 2895 (list 'princ (format "#S(%s" name) | |
| 2896 'cl-s)))))) | |
| 2897 (if include | |
| 2898 (let ((inc-type (get include 'cl-struct-type)) | |
| 2899 (old-descs (get include 'cl-struct-slots))) | |
| 2900 (or inc-type (error "%s is not a struct name" include)) | |
| 2901 (and type (not (eq (car inc-type) type)) | |
| 2902 (error ":type disagrees with :include for %s" name)) | |
| 2903 (while include-descs | |
| 2904 (setcar (memq (or (assq (caar include-descs) old-descs) | |
| 2905 (error "No slot %s in included struct %s" | |
| 2906 (caar include-descs) include)) | |
| 2907 old-descs) | |
| 2153 | 2908 (pop include-descs))) |
| 428 | 2909 (setq descs (append old-descs (delq (assq 'cl-tag-slot descs) descs)) |
| 2910 type (car inc-type) | |
| 2911 named (assq 'cl-tag-slot descs)) | |
| 2912 (if (cadr inc-type) (setq tag name named t)) | |
| 2913 (let ((incl include)) | |
| 2914 (while incl | |
| 2153 | 2915 (push (list 'pushnew (list 'quote tag) |
| 428 | 2916 (intern (format "cl-struct-%s-tags" incl))) |
| 2917 forms) | |
| 2918 (setq incl (get incl 'cl-struct-include))))) | |
| 2919 (if type | |
| 2920 (progn | |
| 2921 (or (memq type '(vector list)) | |
| 2922 (error "Illegal :type specifier: %s" type)) | |
| 2923 (if named (setq tag name))) | |
| 2924 (setq type 'vector named 'true))) | |
| 2925 (or named (setq descs (delq (assq 'cl-tag-slot descs) descs))) | |
| 2153 | 2926 (push (list 'defvar tag-symbol) forms) |
| 428 | 2927 (setq pred-form (and named |
| 2928 (let ((pos (- (length descs) | |
| 2929 (length (memq (assq 'cl-tag-slot descs) | |
| 2930 descs))))) | |
| 2931 (if (eq type 'vector) | |
| 2932 (list 'and '(vectorp cl-x) | |
| 2933 (list '>= '(length cl-x) (length descs)) | |
| 2934 (list 'memq (list 'aref 'cl-x pos) | |
| 2935 tag-symbol)) | |
| 2936 (if (= pos 0) | |
| 2937 (list 'memq '(car-safe cl-x) tag-symbol) | |
| 2938 (list 'and '(consp cl-x) | |
| 2939 (list 'memq (list 'nth pos 'cl-x) | |
| 2940 tag-symbol)))))) | |
| 2941 pred-check (and pred-form (> safety 0) | |
| 2942 (if (and (eq (caadr pred-form) 'vectorp) | |
| 2943 (= safety 1)) | |
| 2944 (cons 'and (cdddr pred-form)) pred-form))) | |
| 2945 (let ((pos 0) (descp descs)) | |
| 2946 (while descp | |
| 2153 | 2947 (let* ((desc (pop descp)) |
| 428 | 2948 (slot (car desc))) |
| 2949 (if (memq slot '(cl-tag-slot cl-skip-slot)) | |
| 2950 (progn | |
| 2153 | 2951 (push nil slots) |
| 2952 (push (and (eq slot 'cl-tag-slot) (list 'quote tag)) | |
| 428 | 2953 defaults)) |
| 2954 (if (assq slot descp) | |
| 2955 (error "Duplicate slots named %s in %s" slot name)) | |
| 2956 (let ((accessor (intern (format "%s%s" conc-name slot)))) | |
| 2153 | 2957 (push slot slots) |
| 2958 (push (nth 1 desc) defaults) | |
| 2959 (push (list* | |
| 428 | 2960 'defsubst* accessor '(cl-x) |
| 2961 (append | |
| 2962 (and pred-check | |
| 2963 (list (list 'or pred-check | |
| 2964 (list 'error | |
| 2965 (format "%s accessing a non-%s" | |
| 2966 accessor name) | |
| 2967 'cl-x)))) | |
| 2968 (list (if (eq type 'vector) (list 'aref 'cl-x pos) | |
| 2969 (if (= pos 0) '(car cl-x) | |
| 2970 (list 'nth pos 'cl-x)))))) forms) | |
| 2153 | 2971 (push (cons accessor t) side-eff) |
| 2972 (push (list 'define-setf-method accessor '(cl-x) | |
| 2973 (if (cadr (memq :read-only (cddr desc))) | |
| 428 | 2974 (list 'error (format "%s is a read-only slot" |
| 2975 accessor)) | |
| 2976 (list 'cl-struct-setf-expander 'cl-x | |
| 2977 (list 'quote name) (list 'quote accessor) | |
| 2978 (and pred-check (list 'quote pred-check)) | |
| 2979 pos))) | |
| 2980 forms) | |
| 2981 (if print-auto | |
| 2982 (nconc print-func | |
| 2983 (list (list 'princ (format " %s" slot) 'cl-s) | |
| 2984 (list 'prin1 (list accessor 'cl-x) 'cl-s))))))) | |
| 2985 (setq pos (1+ pos)))) | |
| 2986 (setq slots (nreverse slots) | |
| 2987 defaults (nreverse defaults)) | |
| 2988 (and predicate pred-form | |
| 2153 | 2989 (progn (push (list 'defsubst* predicate '(cl-x) |
| 428 | 2990 (if (eq (car pred-form) 'and) |
| 2991 (append pred-form '(t)) | |
| 2992 (list 'and pred-form t))) forms) | |
| 2153 | 2993 (push (cons predicate 'error-free) side-eff))) |
| 428 | 2994 (and copier |
| 2153 | 2995 (progn (push (list 'defun copier '(x) '(copy-sequence x)) forms) |
| 2996 (push (cons copier t) side-eff))) | |
| 428 | 2997 (if constructor |
| 2153 | 2998 (push (list constructor |
| 428 | 2999 (cons '&key (delq nil (copy-sequence slots)))) |
| 3000 constrs)) | |
| 3001 (while constrs | |
| 3002 (let* ((name (caar constrs)) | |
| 2153 | 3003 (args (cadr (pop constrs))) |
| 428 | 3004 (anames (cl-arglist-args args)) |
| 3005 (make (mapcar* #'(lambda (s d) (if (memq s anames) s d)) | |
| 3006 slots defaults))) | |
| 2153 | 3007 (push (list 'defsubst* name |
| 428 | 3008 (list* '&cl-defs (list 'quote (cons nil descs)) args) |
| 3009 (cons type make)) forms) | |
| 3010 (if (cl-safe-expr-p (cons 'progn (mapcar 'second descs))) | |
| 2153 | 3011 (push (cons name t) side-eff)))) |
| 428 | 3012 (if print-auto (nconc print-func (list '(princ ")" cl-s) t))) |
| 3013 (if print-func | |
| 2153 | 3014 (push (list 'push |
| 428 | 3015 (list 'function |
| 3016 (list 'lambda '(cl-x cl-s cl-n) | |
| 3017 (list 'and pred-form print-func))) | |
| 3018 'custom-print-functions) forms)) | |
| 2153 | 3019 (push (list 'setq tag-symbol (list 'list (list 'quote tag))) forms) |
| 3020 (push (list* 'eval-when '(compile load eval) | |
| 428 | 3021 (list 'put (list 'quote name) '(quote cl-struct-slots) |
| 3022 (list 'quote descs)) | |
| 3023 (list 'put (list 'quote name) '(quote cl-struct-type) | |
| 3024 (list 'quote (list type (eq named t)))) | |
| 3025 (list 'put (list 'quote name) '(quote cl-struct-include) | |
| 3026 (list 'quote include)) | |
| 3027 (list 'put (list 'quote name) '(quote cl-struct-print) | |
| 3028 print-auto) | |
| 3029 (mapcar #'(lambda (x) | |
| 3030 (list 'put (list 'quote (car x)) | |
| 3031 '(quote side-effect-free) | |
| 3032 (list 'quote (cdr x)))) | |
| 3033 side-eff)) | |
| 3034 forms) | |
| 3035 (cons 'progn (nreverse (cons (list 'quote name) forms))))) | |
| 3036 | |
| 3037 ;;;###autoload | |
| 3038 (defun cl-struct-setf-expander (x name accessor pred-form pos) | |
| 3039 (let* ((temp (gensym "--x--")) (store (gensym "--store--"))) | |
| 3040 (list (list temp) (list x) (list store) | |
| 3041 (append '(progn) | |
| 3042 (and pred-form | |
| 3043 (list (list 'or (subst temp 'cl-x pred-form) | |
| 3044 (list 'error | |
| 3045 (format | |
| 3046 "%s storing a non-%s" accessor name) | |
| 3047 temp)))) | |
| 3048 (list (if (eq (car (get name 'cl-struct-type)) 'vector) | |
| 3049 (list 'aset temp pos store) | |
| 3050 (list 'setcar | |
| 3051 (if (<= pos 5) | |
| 3052 (let ((xx temp)) | |
| 3053 (while (>= (setq pos (1- pos)) 0) | |
| 3054 (setq xx (list 'cdr xx))) | |
| 3055 xx) | |
| 3056 (list 'nthcdr pos temp)) | |
| 3057 store)))) | |
| 3058 (list accessor temp)))) | |
| 3059 | |
| 3060 | |
| 3061 ;;; Types and assertions. | |
| 3062 | |
| 3063 ;;;###autoload | |
| 2153 | 3064 (defmacro deftype (name arglist &rest body) |
|
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|
3065 "Define NAME as a new data type. |
| 428 | 3066 The type name can then be used in `typecase', `check-type', etc." |
| 3067 (list 'eval-when '(compile load eval) | |
| 3068 (cl-transform-function-property | |
| 2153 | 3069 name 'cl-deftype-handler (cons (list* '&cl-defs ''('*) arglist) body)))) |
| 428 | 3070 |
| 3071 (defun cl-make-type-test (val type) | |
| 3072 (if (symbolp type) | |
| 3073 (cond ((get type 'cl-deftype-handler) | |
| 3074 (cl-make-type-test val (funcall (get type 'cl-deftype-handler)))) | |
| 3075 ((memq type '(nil t)) type) | |
| 2153 | 3076 ((eq type 'null) `(null ,val)) |
|
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diff
changeset
|
3077 ((eq type 'float) `(floatp ,val)) |
| 2153 | 3078 ((eq type 'real) `(numberp ,val)) |
|
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diff
changeset
|
3079 ((eq type 'fixnum) `(fixnump ,val)) |
| 2153 | 3080 ;; XEmacs change: we do not have char-valid-p |
| 3081 ((memq type '(character string-char)) `(characterp ,val)) | |
| 428 | 3082 (t |
| 3083 (let* ((name (symbol-name type)) | |
| 3084 (namep (intern (concat name "p")))) | |
| 3085 (if (fboundp namep) (list namep val) | |
| 3086 (list (intern (concat name "-p")) val))))) | |
| 3087 (cond ((get (car type) 'cl-deftype-handler) | |
| 3088 (cl-make-type-test val (apply (get (car type) 'cl-deftype-handler) | |
| 3089 (cdr type)))) | |
| 3090 ((memq (car-safe type) '(integer float real number)) | |
| 3091 (delq t (list 'and (cl-make-type-test val (car type)) | |
| 3092 (if (memq (cadr type) '(* nil)) t | |
| 3093 (if (consp (cadr type)) (list '> val (caadr type)) | |
| 3094 (list '>= val (cadr type)))) | |
| 3095 (if (memq (caddr type) '(* nil)) t | |
| 3096 (if (consp (caddr type)) (list '< val (caaddr type)) | |
| 3097 (list '<= val (caddr type))))))) | |
| 3098 ((memq (car-safe type) '(and or not)) | |
| 3099 (cons (car type) | |
| 3100 (mapcar #'(lambda (x) (cl-make-type-test val x)) | |
| 3101 (cdr type)))) | |
| 3102 ((memq (car-safe type) '(member member*)) | |
| 3103 (list 'and (list 'member* val (list 'quote (cdr type))) t)) | |
| 3104 ((eq (car-safe type) 'satisfies) (list (cadr type) val)) | |
| 3105 (t (error "Bad type spec: %s" type))))) | |
| 3106 | |
| 3107 ;;;###autoload | |
| 444 | 3108 (defun typep (object type) ; See compiler macro below. |
| 428 | 3109 "Check that OBJECT is of type TYPE. |
| 3110 TYPE is a Common Lisp-style type specifier." | |
| 444 | 3111 (eval (cl-make-type-test 'object type))) |
| 428 | 3112 |
| 3113 ;;;###autoload | |
| 446 | 3114 (defmacro check-type (place type &optional string) |
| 3115 "Verify that PLACE is of type TYPE; signal a continuable error if not. | |
| 428 | 3116 STRING is an optional description of the desired type." |
| 2153 | 3117 (and (or (not (cl-compiling-file)) |
| 3118 (< cl-optimize-speed 3) (= cl-optimize-safety 3)) | |
| 3119 (let* ((temp (if (cl-simple-expr-p place 3) place (gensym))) | |
| 3120 (test (cl-make-type-test temp type)) | |
| 3121 (signal-error `(signal 'wrong-type-argument | |
| 3122 ,(list 'list (or string (list 'quote type)) | |
| 3123 temp (list 'quote place)))) | |
| 3124 (body | |
| 3125 (condition-case nil | |
| 3126 `(while (not ,test) | |
| 3127 ,(macroexpand `(setf ,place ,signal-error))) | |
| 3128 (error | |
| 3129 `(if ,test (progn ,signal-error nil)))))) | |
| 3130 (if (eq temp place) `(progn ,body nil) | |
| 3131 `(let ((,temp ,place)) ,body nil))))) | |
| 428 | 3132 |
| 3133 ;;;###autoload | |
| 3134 (defmacro assert (form &optional show-args string &rest args) | |
| 3135 "Verify that FORM returns non-nil; signal an error if not. | |
| 3136 Second arg SHOW-ARGS means to include arguments of FORM in message. | |
| 3137 Other args STRING and ARGS... are arguments to be passed to `error'. | |
| 3138 They are not evaluated unless the assertion fails. If STRING is | |
| 3139 omitted, a default message listing FORM itself is used." | |
| 3140 (and (or (not (cl-compiling-file)) | |
| 3141 (< cl-optimize-speed 3) (= cl-optimize-safety 3)) | |
| 3142 (let ((sargs (and show-args (delq nil (mapcar | |
| 3143 #'(lambda (x) | |
| 3144 (and (not (cl-const-expr-p x)) | |
| 3145 x)) | |
| 3146 (cdr form)))))) | |
| 3147 (list 'progn | |
| 3148 (list 'or form | |
| 3149 (if string | |
| 3150 (list* 'error string (append sargs args)) | |
| 3151 (list 'signal '(quote cl-assertion-failed) | |
| 3152 (list* 'list (list 'quote form) sargs)))) | |
| 3153 nil)))) | |
| 3154 | |
| 3155 ;;;###autoload | |
| 3156 (defmacro ignore-errors (&rest body) | |
| 2153 | 3157 "Execute BODY; if an error occurs, return nil. |
| 3158 Otherwise, return result of last form in BODY." | |
| 428 | 3159 `(condition-case nil (progn ,@body) (error nil))) |
| 3160 | |
| 2153 | 3161 ;; XEmacs addition |
| 428 | 3162 ;;;###autoload |
| 3163 (defmacro ignore-file-errors (&rest body) | |
| 3164 "Execute FORMS; if an error of type `file-error' occurs, return nil. | |
| 3165 Otherwise, return result of last FORM." | |
| 3166 `(condition-case nil (progn ,@body) (file-error nil))) | |
| 3167 | |
| 3168 | |
| 3169 ;;; Compiler macros. | |
| 3170 | |
| 3171 ;;;###autoload | |
| 3172 (defmacro define-compiler-macro (func args &rest body) | |
|
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diff
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|
3173 "Define a compiler-only macro. |
| 428 | 3174 This is like `defmacro', but macro expansion occurs only if the call to |
| 3175 FUNC is compiled (i.e., not interpreted). Compiler macros should be used | |
| 3176 for optimizing the way calls to FUNC are compiled; the form returned by | |
| 3177 BODY should do the same thing as a call to the normal function called | |
| 3178 FUNC, though possibly more efficiently. Note that, like regular macros, | |
| 3179 compiler macros are expanded repeatedly until no further expansions are | |
| 3180 possible. Unlike regular macros, BODY can decide to \"punt\" and leave the | |
| 3181 original function call alone by declaring an initial `&whole foo' parameter | |
| 3182 and then returning foo." | |
| 3183 (let ((p (if (listp args) args (list '&rest args))) (res nil)) | |
| 2153 | 3184 (while (consp p) (push (pop p) res)) |
| 3185 (setq args (nconc (nreverse res) (and p (list '&rest p))))) | |
| 428 | 3186 (list 'eval-when '(compile load eval) |
| 3187 (cl-transform-function-property | |
| 3188 func 'cl-compiler-macro | |
| 3189 (cons (if (memq '&whole args) (delq '&whole args) | |
| 3190 (cons '--cl-whole-arg-- args)) body)) | |
| 3191 (list 'or (list 'get (list 'quote func) '(quote byte-compile)) | |
| 3192 (list 'put (list 'quote func) '(quote byte-compile) | |
| 3193 '(quote cl-byte-compile-compiler-macro))))) | |
| 3194 | |
| 3195 ;;;###autoload | |
| 3196 (defun compiler-macroexpand (form) | |
| 3197 (while | |
| 3198 (let ((func (car-safe form)) (handler nil)) | |
| 3199 (while (and (symbolp func) | |
| 3200 (not (setq handler (get func 'cl-compiler-macro))) | |
| 3201 (fboundp func) | |
| 3202 (or (not (eq (car-safe (symbol-function func)) 'autoload)) | |
| 3203 (load (nth 1 (symbol-function func))))) | |
| 3204 (setq func (symbol-function func))) | |
| 3205 (and handler | |
| 3206 (not (eq form (setq form (apply handler form (cdr form)))))))) | |
| 3207 form) | |
| 3208 | |
| 3209 (defun cl-byte-compile-compiler-macro (form) | |
| 3210 (if (eq form (setq form (compiler-macroexpand form))) | |
| 3211 (byte-compile-normal-call form) | |
| 3212 (byte-compile-form form))) | |
| 3213 | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3214 (defmacro defsubst* (name arglist &optional docstring &rest body) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
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parents:
5182
diff
changeset
|
3215 "Define NAME as a function. |
| 428 | 3216 Like `defun', except the function is automatically declared `inline', |
| 3217 ARGLIST allows full Common Lisp conventions, and BODY is implicitly | |
| 3218 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
|
3219 (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
|
3220 (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
|
3221 body |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3222 (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
|
3223 (pbody (cons 'progn exec-body)) |
| 428 | 3224 (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
|
3225 (while (and p (eq (cl-expr-contains arglist (car p)) 1)) (pop p)) |
| 428 | 3226 (list 'progn |
| 3227 (if p nil ; give up if defaults refer to earlier args | |
| 3228 (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
|
3229 (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
|
3230 (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
|
3231 (cons '&cl-quote arglist)) |
| 428 | 3232 (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
|
3233 (list 'quote (list* 'block name exec-body)) |
| 428 | 3234 (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
|
3235 (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
|
3236 (list* 'defun* name arglist docstring body)))) |
| 428 | 3237 |
| 3238 (defun cl-defsubst-expand (argns body simple whole unsafe &rest argvs) | |
| 3239 (if (and whole (not (cl-safe-expr-p (cons 'progn argvs)))) whole | |
| 3240 (if (cl-simple-exprs-p argvs) (setq simple t)) | |
| 3241 (let ((lets (delq nil | |
| 3242 (mapcar* #'(lambda (argn argv) | |
| 3243 (if (or simple (cl-const-expr-p argv)) | |
| 3244 (progn (setq body (subst argv argn body)) | |
| 3245 (and unsafe (list argn argv))) | |
| 3246 (list argn argv))) | |
| 3247 argns argvs)))) | |
| 3248 (if lets (list 'let lets body) body)))) | |
| 3249 | |
| 3250 | |
| 3251 ;;; Compile-time optimizations for some functions defined in this package. | |
| 3252 ;;; Note that cl.el arranges to force cl-macs to be loaded at compile-time, | |
| 3253 ;;; mainly to make sure these macros will be present. | |
| 3254 | |
| 3255 (put 'eql 'byte-compile nil) | |
| 3256 (define-compiler-macro eql (&whole form a b) | |
| 3257 (cond ((eq (cl-const-expr-p a) t) | |
| 3258 (let ((val (cl-const-expr-val a))) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3259 (if (and (numberp val) (not (fixnump val))) |
| 428 | 3260 (list 'equal a b) |
| 3261 (list 'eq a b)))) | |
| 3262 ((eq (cl-const-expr-p b) t) | |
| 3263 (let ((val (cl-const-expr-val b))) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3264 (if (and (numberp val) (not (fixnump val))) |
| 428 | 3265 (list 'equal a b) |
| 3266 (list 'eq a b)))) | |
| 3267 ((cl-simple-expr-p a 5) | |
| 3268 (list 'if (list 'numberp a) | |
| 3269 (list 'equal a b) | |
| 3270 (list 'eq a b))) | |
| 3271 ((and (cl-safe-expr-p a) | |
| 3272 (cl-simple-expr-p b 5)) | |
| 3273 (list 'if (list 'numberp b) | |
| 3274 (list 'equal a b) | |
| 3275 (list 'eq a b))) | |
| 3276 (t form))) | |
| 3277 | |
| 3278 (define-compiler-macro member* (&whole form a list &rest keys) | |
| 2153 | 3279 (let ((test (and (= (length keys) 2) (eq (car keys) :test) |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3280 (cl-const-expr-val (nth 1 keys)))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3281 a-val) |
| 428 | 3282 (cond ((eq test 'eq) (list 'memq a list)) |
| 3283 ((eq test 'equal) (list 'member a list)) | |
| 3284 ((or (null keys) (eq test 'eql)) | |
| 3285 (if (eq (cl-const-expr-p a) t) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3286 (list (if (and (numberp (setq a-val (cl-const-expr-val a))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3287 (not (fixnump a-val))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3288 'member |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3289 'memq) |
| 428 | 3290 a list) |
| 3291 (if (eq (cl-const-expr-p list) t) | |
| 3292 (let ((p (cl-const-expr-val list)) (mb nil) (mq nil)) | |
| 3293 (if (not (cdr p)) | |
| 3294 (and p (list 'eql a (list 'quote (car p)))) | |
| 3295 (while p | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3296 (if (and (numberp (car p)) (not (fixnump (car p)))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3297 (setq mb t) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3298 (or (fixnump (car p)) (symbolp (car p)) (setq mq t))) |
| 428 | 3299 (setq p (cdr p))) |
| 3300 (if (not mb) (list 'memq a list) | |
| 3301 (if (not mq) (list 'member a list) form)))) | |
| 3302 form))) | |
| 3303 (t form)))) | |
| 3304 | |
| 3305 (define-compiler-macro assoc* (&whole form a list &rest keys) | |
| 2153 | 3306 (let ((test (and (= (length keys) 2) (eq (car keys) :test) |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3307 (cl-const-expr-val (nth 1 keys)))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3308 a-val) |
| 428 | 3309 (cond ((eq test 'eq) (list 'assq a list)) |
| 3310 ((eq test 'equal) (list 'assoc a list)) | |
| 3311 ((and (eq (cl-const-expr-p a) t) (or (null keys) (eq test 'eql))) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3312 (if (and (numberp (setq a-val (cl-const-expr-val a))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3313 (not (fixnump a-val))) |
| 428 | 3314 (list 'assoc a list) (list 'assq a list))) |
| 3315 (t form)))) | |
| 3316 | |
| 3317 (define-compiler-macro adjoin (&whole form a list &rest keys) | |
| 3318 (if (and (cl-simple-expr-p a) (cl-simple-expr-p list) | |
| 2153 | 3319 (not (memq :key keys))) |
| 428 | 3320 (list 'if (list* 'member* a list keys) list (list 'cons a list)) |
| 3321 form)) | |
| 3322 | |
| 3323 (define-compiler-macro list* (arg &rest others) | |
| 3324 (let* ((args (reverse (cons arg others))) | |
| 3325 (form (car args))) | |
| 3326 (while (setq args (cdr args)) | |
| 3327 (setq form (list 'cons (car args) form))) | |
| 3328 form)) | |
| 3329 | |
| 2153 | 3330 ;; XEmacs change: our builtin get takes the default argument |
| 440 | 3331 (define-compiler-macro get* (sym prop &optional default) |
| 3332 (list 'get sym prop default)) | |
| 428 | 3333 |
| 442 | 3334 (define-compiler-macro getf (sym prop &optional default) |
| 3335 (list 'plist-get sym prop default)) | |
| 3336 | |
| 428 | 3337 (define-compiler-macro typep (&whole form val type) |
| 3338 (if (cl-const-expr-p type) | |
| 3339 (let ((res (cl-make-type-test val (cl-const-expr-val type)))) | |
| 3340 (if (or (memq (cl-expr-contains res val) '(nil 1)) | |
| 3341 (cl-simple-expr-p val)) res | |
| 3342 (let ((temp (gensym))) | |
| 3343 (list 'let (list (list temp val)) (subst temp val res))))) | |
| 3344 form)) | |
| 3345 | |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3346 (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
|
3347 `(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
|
3348 |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3349 ;; 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
|
3350 ;; 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
|
3351 ;; argument, we want the speed in font-lock.el. |
|
4607
517f6887fbc0
Remove duplicate functions, chiefly #'delete-duplicates reimplementations.
Aidan Kehoe <kehoea@parhasard.net>
parents:
2297
diff
changeset
|
3352 (define-compiler-macro delete-duplicates (&whole form cl-seq &rest cl-keys) |
|
4707
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3353 (let ((listp-check |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3354 (cond |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3355 ((memq (car-safe cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3356 ;; No need to check for a list at runtime with these. We |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3357 ;; could expand the list, but these are all the functions |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3358 ;; in the relevant context at the moment. |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3359 '(nreverse append nconc mapcan mapcar string-to-list)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3360 t) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3361 ((and (listp cl-seq) (eq (first cl-seq) 'the) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3362 (eq (second cl-seq) 'list)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3363 ;; Allow users to force this, if they really want to. |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3364 t) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3365 (t |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3366 '(listp begin))))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3367 (cond ((loop |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3368 for relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3369 in '((:test 'eq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3370 (:test #'eq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3371 (:test 'eq :from-end nil) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3372 (:test #'eq :from-end nil)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3373 ;; One of the above corresponds exactly to CL-KEYS: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3374 thereis (not (set-difference cl-keys relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3375 :test #'equal))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3376 `(let* ((begin ,cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3377 cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3378 (if ,listp-check |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3379 (progn |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3380 (while (memq (car begin) (cdr begin)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3381 (setq begin (cdr begin))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3382 (setq cl-seq begin) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3383 (while (cddr cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3384 (if (memq (cadr cl-seq) (cddr cl-seq)) |
|
5099
a24f2ab0093b
Avoid the query-coding-tests.el hang, by fixing a logic bug.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5085
diff
changeset
|
3385 (setcdr (cdr cl-seq) (cddr cl-seq))) |
|
a24f2ab0093b
Avoid the query-coding-tests.el hang, by fixing a logic bug.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5085
diff
changeset
|
3386 (setq cl-seq (cdr cl-seq))) |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3387 begin) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3388 ;; Call cl-delete-duplicates explicitly, to avoid the form |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3389 ;; getting compiler-macroexpanded again: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3390 (cl-delete-duplicates begin ',cl-keys nil)))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3391 ((loop |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3392 for relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3393 in '((:test 'eq :from-end t) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3394 (:test #'eq :from-end t)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3395 ;; One of the above corresponds exactly to CL-KEYS: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3396 thereis (not (set-difference cl-keys relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3397 :test #'equal))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3398 `(let* ((begin ,cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3399 (cl-seq begin)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3400 (if ,listp-check |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3401 (progn |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3402 (while cl-seq |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3403 (setq cl-seq (setcdr cl-seq |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3404 (delq (car cl-seq) (cdr cl-seq))))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3405 begin) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3406 ;; Call cl-delete-duplicates explicitly, to avoid the form |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3407 ;; getting compiler-macroexpanded again: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3408 (cl-delete-duplicates begin ',cl-keys nil)))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3409 |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3410 ((loop |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3411 for relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3412 in '((:test 'equal) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3413 (:test #'equal) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3414 (:test 'equal :from-end nil) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3415 (:test #'equal :from-end nil)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3416 ;; One of the above corresponds exactly to CL-KEYS: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3417 thereis (not (set-difference cl-keys relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3418 :test #'equal))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3419 `(let* ((begin ,cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3420 cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3421 (if ,listp-check |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3422 (progn |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3423 (while (member (car begin) (cdr begin)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3424 (setq begin (cdr begin))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3425 (setq cl-seq begin) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3426 (while (cddr cl-seq) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3427 (if (member (cadr cl-seq) (cddr cl-seq)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3428 (setcdr (cdr cl-seq) (cddr cl-seq))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3429 (setq cl-seq (cdr cl-seq))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3430 begin) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3431 ;; Call cl-delete-duplicates explicitly, to avoid the form |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3432 ;; getting compiler-macroexpanded again: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3433 (cl-delete-duplicates begin ',cl-keys nil)))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3434 ((loop |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3435 for relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3436 in '((: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
|
3437 (: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
|
3438 ;; One of the above corresponds exactly to CL-KEYS: |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3439 thereis (not (set-difference cl-keys relevant-key-values |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3440 :test #'equal))) |
|
4707
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3441 `(let* ((begin ,cl-seq) |
|
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3442 (cl-seq begin)) |
|
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3443 (if ,listp-check |
|
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3444 (progn |
|
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3445 (while cl-seq |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3446 (setq cl-seq |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3447 (setcdr cl-seq (delete (car cl-seq) (cdr cl-seq))))) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3448 begin) |
|
4707
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3449 ;; Call cl-delete-duplicates explicitly, to avoid the form |
|
5bb0735f56e0
Handle non-list sequences better, delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4702
diff
changeset
|
3450 ;; getting compiler-macroexpanded again: |
|
4714
84f870bbd17b
Fix another bug in the delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4707
diff
changeset
|
3451 (cl-delete-duplicates begin ',cl-keys nil)))) |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3452 (t form)))) |
| 428 | 3453 |
|
4723
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3454 ;; 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
|
3455 ;; 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
|
3456 ;; 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
|
3457 (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
|
3458 (if (stringp string) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3459 (regexp-quote string) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3460 form)) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3461 |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3462 ;; 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
|
3463 ;; 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
|
3464 ;; 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
|
3465 ;; 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
|
3466 ;; 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
|
3467 ;; 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
|
3468 ;; 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
|
3469 ;; 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
|
3470 ;; 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
|
3471 ;; 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
|
3472 ;; 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
|
3473 ;; 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
|
3474 ;; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3475 ;; --ben |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3476 |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3477 (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
|
3478 "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
|
3479 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3480 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
|
3481 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
|
3482 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
|
3483 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3484 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
|
3485 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
|
3486 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
|
3487 ;; 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
|
3488 ;; 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
|
3489 ;; 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
|
3490 (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
|
3491 (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
|
3492 (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
|
3493 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
|
3494 (macrolet |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3495 ((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
|
3496 `(prog1 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3497 (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
|
3498 (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
|
3499 (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
|
3500 (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
|
3501 (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
|
3502 (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
|
3503 (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
|
3504 ;; 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
|
3505 ;; 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
|
3506 ;; 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
|
3507 (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
|
3508 ;; 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
|
3509 ;; 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
|
3510 ;; 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
|
3511 ;; 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
|
3512 (cond |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3513 ((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
|
3514 ;; 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
|
3515 `(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
|
3516 (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
|
3517 ((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
|
3518 `(,@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
|
3519 (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
|
3520 (= ,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
|
3521 ((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
|
3522 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
|
3523 ((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
|
3524 ;; 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
|
3525 (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
|
3526 (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
|
3527 (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
|
3528 (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
|
3529 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3530 ;; 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
|
3531 ;; 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
|
3532 ;; 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
|
3533 ;; 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
|
3534 ;; 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
|
3535 ;; 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
|
3536 ;; 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
|
3537 ;;((unordered-check |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3538 ;; ;; 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
|
3539 ;; ;; 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
|
3540 ;; ;; 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
|
3541 ;; (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
|
3542 ;; (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
|
3543 ;; ;; 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
|
3544 ;; (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
|
3545 |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3546 ;; 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
|
3547 ;; 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
|
3548 ;; 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
|
3549 (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
|
3550 |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3551 ;;(define-compiler-macro equalp (&whole form x y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3552 ;; "Expand calls to `equalp' where X or Y is a constant expression. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3553 ;; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3554 ;;Much of the processing that `equalp' does is dependent on the types of both |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3555 ;;of its arguments, and with type information for one of them, we can |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3556 ;;eliminate much of the body of the function at compile time. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3557 ;; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3558 ;;Where both X and Y are constant expressions, `equalp' is evaluated at |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3559 ;;compile time by byte-optimize.el--this compiler macro passes FORM through to |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3560 ;;the byte optimizer in those cases." |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3561 ;; ;; Cases where both arguments are constant are handled in |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3562 ;; ;; byte-optimize.el, we only need to handle those cases where one is |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3563 ;; ;; constant here. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3564 ;; (let* ((equalp-sym (eval-when-compile (gensym))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3565 ;; (let-form '(progn)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3566 ;; (check-bit-vector t) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3567 ;; (check-string t) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3568 ;; (original-y y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3569 ;; equalp-temp checked) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3570 ;; (macrolet |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3571 ;; ((unordered-check (check) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3572 ;; `(prog1 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3573 ;; (setq checked |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3574 ;; (or ,check |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3575 ;; (prog1 ,(sublis '((x . y) (y . x)) check :test #'eq) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3576 ;; (setq equalp-temp x x y y equalp-temp)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3577 ;; (when checked |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3578 ;; (unless (symbolp y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3579 ;; (setq let-form `(let ((,equalp-sym ,y))) y equalp-sym)))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3580 ;; ;; In the bodies of the below clauses, x is always a constant expression |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3581 ;; ;; of the type we're interested in, and y is always a symbol that refers |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3582 ;; ;; to the result non-constant side of the comparison. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3583 ;; (cond ((unordered-check (and (arrayp x) (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
|
3584 ;; ;; Strings and other arrays. A vector containing the same |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3585 ;; ;; character elements as a given string is equalp to that string; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3586 ;; ;; a bit-vector can only be equalp to a string if both are |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3587 ;; ;; zero-length. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3588 ;; (cond |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3589 ;; ((member x '("" #* [])) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3590 ;; ;; No need to protect against multiple evaluation here: |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3591 ;; `(and (member ,original-y '("" #* [])) t)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3592 ;; ((stringp x) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3593 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3594 ;; (if (stringp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3595 ;; (eq t (compare-strings ,x nil nil |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3596 ;; ,y nil nil t)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3597 ;; (if (vectorp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3598 ;; (cl-string-vector-equalp ,x ,y))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3599 ;; ((bit-vector-p x) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3600 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3601 ;; (if (bit-vector-p ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3602 ;; ;; No need to call equalp on each element here: |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3603 ;; (equal ,x ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3604 ;; (if (vectorp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3605 ;; (cl-bit-vector-vector-equalp ,x ,y))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3606 ;; (t |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3607 ;; (loop |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3608 ;; for elt across x |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3609 ;; ;; We may not need to check the other argument if it's a |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3610 ;; ;; string or bit vector, depending on the contents of x: |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3611 ;; always (progn |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3612 ;; (unless (characterp elt) (setq check-string nil)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3613 ;; (unless (and (numberp elt) (or (= elt 0) (= elt 1))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3614 ;; (setq check-bit-vector nil)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3615 ;; (or check-string check-bit-vector))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3616 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3617 ;; (cond |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3618 ;; ,@(if check-string |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3619 ;; `(((stringp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3620 ;; (cl-string-vector-equalp ,y ,x)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3621 ;; ,@(if check-bit-vector |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3622 ;; `(((bit-vector-p ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3623 ;; (cl-bit-vector-vector-equalp ,y ,x)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3624 ;; ((vectorp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3625 ;; (cl-vector-array-equalp ,x ,y))))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3626 ;; ((unordered-check (and (characterp x) (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
|
3627 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3628 ;; (or (eq ,x ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3629 ;; ;; eq has a bytecode, char-equal doesn't. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3630 ;; (and (characterp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3631 ;; (eq (downcase ,x) (downcase ,y)))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3632 ;; ((unordered-check (and (numberp x) (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
|
3633 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3634 ;; (and (numberp ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3635 ;; (= ,x ,y)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3636 ;; ((unordered-check (and (hash-table-p x) (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
|
3637 ;; ;; Hash tables; follow the CL spec. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3638 ;; `(,@let-form |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3639 ;; (and (hash-table-p ,y) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3640 ;; (eq ',(hash-table-test x) (hash-table-test ,y)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3641 ;; (= ,(hash-table-count x) (hash-table-count ,y)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3642 ;; (cl-hash-table-contents-equalp ,x ,y)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3643 ;; ((unordered-check |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3644 ;; ;; Symbols; eq. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3645 ;; (and (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
|
3646 ;; (or (memq x '(nil t)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3647 ;; (and (eq (car-safe x) 'quote) (symbolp (second x)))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3648 ;; (cons 'eq (cdr form))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3649 ;; ((unordered-check |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3650 ;; ;; 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
|
3651 ;; ;; 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
|
3652 ;; ;; 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
|
3653 ;; (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
|
3654 ;; (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
|
3655 ;; ;; 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
|
3656 ;; (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
|
3657 ;; ;; Neither side is a constant expression, do all our evaluation at |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3658 ;; ;; runtime (or both are, and equalp will be called from |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3659 ;; ;; byte-optimize.el). |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3660 ;; (t form))))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3661 |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3662 (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
|
3663 `(not (some ,@(cdr form)))) |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3664 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3665 (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
|
3666 `(not (every ,@(cdr form)))) |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3667 |
|
5056
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3668 (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
|
3669 (cond |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3670 ((< (length form) 2) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3671 ;; Error at runtime: |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3672 form) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3673 ((cl-const-exprs-p (cdr form)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3674 `#'(lambda (&rest ignore) (values ,@(cdr form)))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3675 (t |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3676 (let* ((num-values (length (cdr form))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3677 (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
|
3678 (placeholders (loop |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3679 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
|
3680 collect (make-symbol (format "%d" i)))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3681 (compiled |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3682 (byte-compile-sexp |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3683 `#'(lambda (&rest ignore) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3684 ;; 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
|
3685 ;; constants vector: |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3686 (values ,@(mapcar #'quote-maybe placeholders))))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3687 position) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3688 `(make-byte-code '(&rest ignore) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3689 ,(compiled-function-instructions compiled) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3690 (vector ,@(loop |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3691 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
|
3692 collect (if (setq position |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3693 (position constant placeholders)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3694 (prog2 |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3695 (incf (aref placeholders-counts position)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3696 (nth position (cdr form))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3697 (quote-maybe constant)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3698 finally |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3699 (assert (every #'zerop placeholders-counts) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3700 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
|
3701 ,(compiled-function-stack-depth compiled)))))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3702 |
|
5182
2e528066e2fc
Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5153
diff
changeset
|
3703 (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
|
3704 (cons 'sort* (cdr form))) |
|
2e528066e2fc
Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5153
diff
changeset
|
3705 |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3706 (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
|
3707 (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
|
3708 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3709 (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
|
3710 `(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
|
3711 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3712 (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
|
3713 `(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
|
3714 |
| 428 | 3715 (mapc |
| 3716 #'(lambda (y) | |
| 3717 (put (car y) 'side-effect-free t) | |
| 3718 (put (car y) 'byte-compile 'cl-byte-compile-compiler-macro) | |
| 3719 (put (car y) 'cl-compiler-macro | |
| 3720 (list 'lambda '(w x) | |
| 3721 (if (symbolp (cadr y)) | |
| 3722 (list 'list (list 'quote (cadr y)) | |
| 3723 (list 'list (list 'quote (caddr y)) 'x)) | |
| 3724 (cons 'list (cdr y)))))) | |
| 3725 '((first 'car x) (second 'cadr x) (third 'caddr x) (fourth 'cadddr x) | |
| 3726 (fifth 'nth 4 x) (sixth 'nth 5 x) (seventh 'nth 6 x) | |
| 3727 (eighth 'nth 7 x) (ninth 'nth 8 x) (tenth 'nth 9 x) | |
| 3728 (rest 'cdr x) (endp 'null x) (plusp '> x 0) (minusp '< x 0) | |
| 446 | 3729 (oddp 'eq (list 'logand x 1) 1) |
| 3730 (evenp 'eq (list 'logand x 1) 0) | |
| 428 | 3731 (caar car car) (cadr car cdr) (cdar cdr car) (cddr cdr cdr) |
| 3732 (caaar car caar) (caadr car cadr) (cadar car cdar) | |
| 3733 (caddr car cddr) (cdaar cdr caar) (cdadr cdr cadr) | |
| 3734 (cddar cdr cdar) (cdddr cdr cddr) (caaaar car caaar) | |
| 3735 (caaadr car caadr) (caadar car cadar) (caaddr car caddr) | |
| 3736 (cadaar car cdaar) (cadadr car cdadr) (caddar car cddar) | |
| 3737 (cadddr car cdddr) (cdaaar cdr caaar) (cdaadr cdr caadr) | |
| 3738 (cdadar cdr cadar) (cdaddr cdr caddr) (cddaar cdr cdaar) | |
| 3739 (cddadr cdr cdadr) (cdddar cdr cddar) (cddddr cdr cdddr))) | |
| 3740 | |
| 3741 ;;; Things that are inline. | |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3742 (proclaim '(inline acons map concatenate |
| 2153 | 3743 ;; XEmacs omission: gethash is builtin |
| 3744 cl-set-elt revappend nreconc)) | |
| 428 | 3745 |
| 3746 ;;; Things that are side-effect-free. Moved to byte-optimize.el | |
| 2153 | 3747 ;(mapcar (function (lambda (x) (put x 'side-effect-free t))) |
| 3748 ; '(oddp evenp signum last butlast ldiff pairlis gcd lcm | |
| 3749 ; isqrt floor* ceiling* truncate* round* mod* rem* subseq | |
| 3750 ; list-length get* getf)) | |
| 428 | 3751 |
| 3752 ;;; Things that are side-effect-and-error-free. Moved to byte-optimize.el | |
| 2153 | 3753 ;(mapcar (function (lambda (x) (put x 'side-effect-free 'error-free))) |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3754 ; '(eql list* subst acons equalp random-state-p |
| 2153 | 3755 ; copy-tree sublis)) |
| 428 | 3756 |
| 3757 | |
| 3758 (run-hooks 'cl-macs-load-hook) | |
| 3759 | |
| 2153 | 3760 ;;; arch-tag: afd947a6-b553-4df1-bba5-000be6388f46 |
| 428 | 3761 ;;; cl-macs.el ends here |