annotate lisp/symbol-syntax.el @ 2500:3d8143fc88e1

[xemacs-hg @ 2005-01-24 23:33:30 by ben] get working with VC7 config.inc.samp: Declare OPTIONAL_LIBRARY_DIR as root of library directories. Redo all graphics library defaults to mirror the versions and directories in the current binary aux distribution on xemacs web site. Enable TIFF and COMPFACE by default since you can now compile with them and binary libs are provided. xemacs.mak: Put our own directories first in case of conflict (e.g. config.h in compface). xemacs.mak: Use MSVCRT to avoid link problems. s/windowsnt.h: bytecode.c, print.c: Add casts to avoid warning. compiler.h: Add MSC_VERSION and include definitions of DOESNT_RETURN and friends here, like for GCC. Need different definitions for VC7 and VC6. s/windowsnt.h: Remove stuff moved to compiler.h. Disable warning 4646 ("function declared with __declspec(noreturn) has non-void return type") on VC7 since lots of Lisp primitives trigger this and there is no easy way to kludge around the warning. glyphs-eimage.c: Some really nasty hacks to allow TIFF and JPEG to both be compiled. #### The better solution is to move the TIFF and JPEG code to different files. glyphs-msw.c: Define __STDC__ to avoid problems with compface.h. intl-auto-encap-win32.c, intl-auto-encap-win32.h, intl-encap-win32.c, syswindows.h: Those wankers at Microsoft cannot leave well enough alone. Various functions change parameter types semi-randomly between VC6 and VC7, so we need to include our own versions that can handle both kinds with appropriate casting. EmacsFrame.c, EmacsShell-sub.c, EmacsShell.c, alloc.c, alloca.c, buffer.c, bytecode.c, charset.h, chartab.c, cm.c, console-stream.c, console.c, data.c, debug.h, device-msw.c, device-tty.c, device-x.c, doprnt.c, dumper.c, dynarr.c, elhash.c, emacs.c, eval.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, events.c, extents.c, faces.c, file-coding.c, fileio.c, fns.c, font-lock.c, frame-gtk.c, frame-x.c, frame.c, free-hook.c, gccache-gtk.c, glyphs-eimage.c, glyphs-gtk.c, glyphs-msw.c, glyphs-x.c, glyphs.c, gtk-glue.c, gutter.c, input-method-xlib.c, insdel.c, intl-win32.c, keymap.c, lisp.h, lread.c, lstream.c, macros.c, malloc.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, mule-coding.c, native-gtk-toolbar.c, number.c, objects-msw.c, objects.c, print.c, process-nt.c, process-unix.c, process.c, ralloc.c, rangetab.c, redisplay-gtk.c, redisplay-msw.c, redisplay-output.c, redisplay-tty.c, redisplay-x.c, redisplay.c, regex.c, scrollbar-gtk.c, scrollbar-x.c, search.c, select-x.c, signal.c, specifier.c, specifier.h, strftime.c, sunplay.c, symbols.c, sysdep.c, sysproc.h, text.c, text.h, toolbar-common.c, toolbar-msw.c, toolbar.c, ui-gtk.c, unexnt.c, unicode.c, win32.c, window.c, xgccache.c, s/windowsnt.h: abort() -> ABORT(). Eliminate preprocessor games with abort() since it creates huge problems in VC7, solvable only by including massive amounts of files in every compile (and not worth it).
author ben
date Mon, 24 Jan 2005 23:34:34 +0000
parents 3ecd8885ac67
children 308d34e9f07d
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1 ;;; symbol-syntax.el --- find chars with symbol syntax
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2
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3 ;; Copyright (C) 1992, 1993, 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1995 Sun Microsystems.
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5
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6 ;; Author: JBW, JBW@_CORTEZ
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7 ;; Created: Wed Jun 20 15:15:34 1990
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8 ;; Maintainer: XEmacs Development Team
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9 ;; Keywords: matching
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10
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11 ;; This file is part of XEmacs.
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12
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13 ;; XEmacs is free software; you can redistribute it and/or modify it
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14 ;; under the terms of the GNU General Public License as published by
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15 ;; the Free Software Foundation; either version 2, or (at your option)
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16 ;; any later version.
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17
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18 ;; XEmacs is distributed in the hope that it will be useful, but
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19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 ;; General Public License for more details.
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22
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23 ;; You should have received a copy of the GNU General Public License
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24 ;; along with XEmacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;; Boston, MA 02111-1307, USA.
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27
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28 ;;; Synched up with: Not in FSF.
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29
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30 ;;; Commentary:
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31
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32 ;; Last modified by: Ben Wing, ben@xemacs.org
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33 ;; Last modified on: Mon Oct 2 02:32:05 GMT 1995
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34
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35 ;;; Code:
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36
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37 (defvar symbol-syntax-table-alist nil)
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38 ;; '((c-mode-syntax-table)
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39 ;; (emacs-lisp-mode-syntax-table)
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40 ;; (lisp-mode-syntax-table)
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41 ;; (text-mode-syntax-table)))
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42
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43 (defun update-symbol-syntax-table-alist ()
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44 (let ((alist symbol-syntax-table-alist)
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45 item)
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46 (while (consp alist)
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47 (cond ((null (car alist))
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48 (error "Missing alist item"))
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49 ((null (car (car alist)))
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50 (error "Alist item with null car"))
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51 ;; this functionality not used
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52 ((symbolp (setq item (car (car alist))))
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53 (or (null (cdr (car alist)))
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54 (error "Alist item expected to have null cdr"))
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55 (while (symbolp item)
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56 (setq item (symbol-value item)))
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57 (setcar (car alist) item)))
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58 (cond ((not (syntax-table-p (car (car alist))))
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59 (error "Alist item car expected to be symbol table"))
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60 ((null (cdr (car alist)))
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61 (setcdr (car alist)
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62 (make-symbol-syntax-table (car (car alist))))))
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63 (setq alist (cdr alist)))))
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64
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65 (defun get-symbol-syntax-table (norm-table)
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66 (let (result)
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67 (if (setq result (assq norm-table symbol-syntax-table-alist))
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68 nil
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69 (update-symbol-syntax-table-alist)
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70 (if (setq result (assq norm-table symbol-syntax-table-alist))
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71 nil
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72 (setq symbol-syntax-table-alist
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73 (cons (list norm-table)
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74 symbol-syntax-table-alist))
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75 (update-symbol-syntax-table-alist)
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76 (or (setq result (assq norm-table symbol-syntax-table-alist))
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77 (error "Syntax table missing from symbol-syntax-table-alist"))))
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78 (or (setq result (cdr result))
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79 (error "Alist item has null cdr"))
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80 (or (syntax-table-p result)
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81 (error "Non-syntax-table item in alist"))
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82 result))
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83
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84 (defun make-symbol-syntax-table (in-table)
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85 (let ((out-table (copy-syntax-table in-table)))
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86 (map-syntax-table
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87 #'(lambda (key value)
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88 (if (eq ?_ (char-syntax-from-code value))
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89 (put-char-table key (set-char-syntax-in-code value ?w)
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90 out-table))
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91 nil)
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92 out-table)
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93 out-table))
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94
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95 ;; stuff for examining contents of syntax tables
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96 ;;(show-chars-with-syntax
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97 ;; '(c-mode-syntax-table
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98 ;; emacs-lisp-mode-syntax-table
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99 ;; lisp-mode-syntax-table
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100 ;; text-mode-syntax-table)
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101 ;; ?_)
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102
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103 (defun show-chars-with-syntax (tables syntax)
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104 (let ((schars nil))
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105 (unwind-protect
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106 (while (consp tables)
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107 (let* ((chars nil)
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108 (table-symbol (car tables))
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109 (table table-symbol))
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110 (or (symbolp table-symbol)
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111 (error "bad argument non-symbol"))
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112 (while (symbolp table)
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113 (setq table (symbol-value table)))
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114 (map-syntax-table
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115 #'(lambda (key value)
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116 (if (eq syntax (char-syntax-from-code value))
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117 (setq chars (cons key chars)))
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118 nil)
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119 table)
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120 (setq schars (cons (list table-symbol (nreverse chars))
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121 schars)))
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122 (setq tables (cdr tables))))
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123 (nreverse schars)))
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124
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125 (provide 'symbol-syntax)
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126
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127 ;;; symbol-syntax.el ends here