annotate src/buffer.c @ 2:ac2d302a0011 r19-15b2

Import from CVS: tag r19-15b2
author cvs
date Mon, 13 Aug 2007 08:46:35 +0200
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children 9ee227acff29
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1 /* Buffer manipulation primitives for XEmacs.
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2 Copyright (C) 1985-1989, 1992-1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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4 Copyright (C) 1995, 1996 Ben Wing.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Mule 2.0, FSF 19.30. */
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24
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25 /* Authorship:
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26
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27 FSF: long ago.
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28 JWZ: some changes for Lemacs, long ago. (e.g. separate buffer
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29 list per frame.)
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30 Mly: a few changes for buffer-local vars, 19.8 or 19.9.
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31 Ben Wing: some changes and cleanups for Mule, 19.12.
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32 */
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33
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34 /* This file contains functions that work with buffer objects.
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35 Functions that manipulate a buffer's text, however, are not
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36 in this file:
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37
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38 1) The low-level functions that actually know about the
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39 implementation of a buffer's text are located in insdel.c.
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40 2) The higher-level (mostly Lisp) functions that manipulate a
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41 buffer's text are in editfns.c.
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42 3) The highest-level Lisp commands are in cmds.c.
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43
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44 However:
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45
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46 -- Functions that know about syntax tables (forward-word,
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47 scan-sexps, etc.) are in syntax.c, as are functions
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48 that manipulate syntax tables.
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49 -- Functions that know about case tables (upcase, downcase,
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50 etc.) are in casefiddle.c. Functions that manipulate
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51 case tables (case-table-p, set-case-table, etc.) are
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52 in casetab.c.
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53 -- Functions that do searching and replacing are in
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54 search.c. The low-level functions that implement
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55 regular expressions are in regex.c.
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56
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57 Also:
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58
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59 -- Some file and process functions (in fileio.c and process.c)
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60 copy text from or insert text into a buffer; they call
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61 low-level functions in insdel.c to do this.
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62 -- insdel.c calls low-level functions in undo.c and extents.c
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63 to record buffer modifications for undoing and to handle
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64 extent adjustment and extent-data creation and insertion.
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65
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66 */
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67
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68 #include <config.h>
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69 #include "lisp.h"
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70
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71 #include "buffer.h"
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72 #include "commands.h"
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73 #include "elhash.h"
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74 #include "extents.h"
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75 #include "faces.h"
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76 #include "frame.h"
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77 #include "insdel.h"
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78 #include "process.h" /* for kill_buffer_processes */
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79 #ifdef REGION_CACHE_NEEDS_WORK
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80 #include "region-cache.h"
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81 #endif
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82 #include "symeval.h"
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83 #include "syntax.h"
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84 #include "sysdep.h" /* for getwd */
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85 #include "window.h"
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86
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87 #include "sysfile.h"
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88
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89 struct buffer *current_buffer; /* the current buffer */
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90
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91 /* This structure holds the default values of the buffer-local variables
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92 defined with DEFVAR_BUFFER_LOCAL, that have special slots in each buffer.
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93 The default value occupies the same slot in this structure
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94 as an individual buffer's value occupies in that buffer.
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95 Setting the default value also goes through the alist of buffers
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96 and stores into each buffer that does not say it has a local value. */
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97 Lisp_Object Vbuffer_defaults;
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98
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99 /* This structure marks which slots in a buffer have corresponding
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100 default values in buffer_defaults.
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101 Each such slot has a nonzero value in this structure.
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102 The value has only one nonzero bit.
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103
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104 When a buffer has its own local value for a slot,
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105 the bit for that slot (found in the same slot in this structure)
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106 is turned on in the buffer's local_var_flags slot.
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107
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108 If a slot in this structure is 0, then there is a DEFVAR_BUFFER_LOCAL
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109 for the slot, but there is no default value for it; the corresponding
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110 slot in buffer_defaults is not used except to initialize newly-created
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111 buffers.
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112
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113 If a slot is -1, then there is a DEFVAR_BUFFER_LOCAL for it
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114 as well as a default value which is used to initialize newly-created
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115 buffers and as a reset-value when local-vars are killed.
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116
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117 If a slot is -2, there is no DEFVAR_BUFFER_LOCAL for it.
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118 (The slot is always local, but there's no lisp variable for it.)
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119 The default value is only used to initialize newly-creation buffers.
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120
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121 If a slot is -3, then there is no DEFVAR_BUFFER_LOCAL for it but
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122 there is a default which is used to initialize newly-creation
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123 buffers and as a reset-value when local-vars are killed.
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124
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125
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126 */
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127 struct buffer buffer_local_flags;
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128
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129 /* This structure holds the names of symbols whose values may be
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130 buffer-local. It is indexed and accessed in the same way as the above. */
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131 static Lisp_Object Vbuffer_local_symbols;
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132
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133 /* Alist of all buffer names vs the buffers. */
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134 /* This used to be a variable, but is no longer,
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135 to prevent lossage due to user rplac'ing this alist or its elements.
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136 Note that there is a per-frame copy of this as well; the frame slot
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137 and the global variable contain the same data, but possibly in different
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138 orders, so that the buffer ordering can be per-frame.
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139 */
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140 Lisp_Object Vbuffer_alist;
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141
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142 /* Functions to call before and after each text change. */
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143 Lisp_Object Qbefore_change_functions;
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144 Lisp_Object Qafter_change_functions;
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145 Lisp_Object Vbefore_change_functions;
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146 Lisp_Object Vafter_change_functions;
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147
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148 /* #### Obsolete, for compatibility */
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149 Lisp_Object Qbefore_change_function;
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150 Lisp_Object Qafter_change_function;
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151 Lisp_Object Vbefore_change_function;
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152 Lisp_Object Vafter_change_function;
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153
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154 #if 0 /* FSFmacs */
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155 Lisp_Object Vtransient_mark_mode;
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156 #endif
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157
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158 /* t means ignore all read-only text properties.
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159 A list means ignore such a property if its value is a member of the list.
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160 Any non-nil value means ignore buffer-read-only. */
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161 Lisp_Object Vinhibit_read_only;
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162
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163 /* List of functions to call that can query about killing a buffer.
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164 If any of these functions returns nil, we don't kill it. */
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165 Lisp_Object Vkill_buffer_query_functions;
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166
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167 /* Non-nil means delete a buffer's auto-save file when the buffer is saved. */
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168 Lisp_Object Vdelete_auto_save_files;
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169
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170 Lisp_Object Qbuffer_live_p;
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171 Lisp_Object Qbuffer_or_string_p;
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172
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173 /* List of functions to call before changing an unmodified buffer. */
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174 Lisp_Object Vfirst_change_hook;
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175 Lisp_Object Qfirst_change_hook;
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176
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177 Lisp_Object Qfundamental_mode;
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178 Lisp_Object Qmode_class;
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179 Lisp_Object Qpermanent_local;
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180
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181 Lisp_Object Qprotected_field;
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182
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183 Lisp_Object QSFundamental; /* A string "Fundamental" */
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184 Lisp_Object QSscratch; /* "*scratch*" */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
185 Lisp_Object Qdefault_directory;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
186
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
187 Lisp_Object Qkill_buffer_hook;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
188 Lisp_Object Qbuffer_file_name, Qbuffer_undo_list;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
189
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
190 Lisp_Object Qrename_auto_save_file;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
191
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
192 Lisp_Object Qget_file_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
193 Lisp_Object Qchange_major_mode_hook, Vchange_major_mode_hook;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
194
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
195 Lisp_Object Qfind_file_compare_truenames;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
196
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
197 Lisp_Object Qswitch_to_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
198
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
199 /* Two thresholds controlling how much undo information to keep. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
200 int undo_threshold;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
201 int undo_high_threshold;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
202
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
203 int find_file_compare_truenames;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
204 int find_file_use_truenames;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
205
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
206
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
207 static void reset_buffer_local_variables (struct buffer *, int first_time);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
208 static void nuke_all_buffer_slots (struct buffer *b, Lisp_Object zap);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
209 static Lisp_Object mark_buffer (Lisp_Object, void (*) (Lisp_Object));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
210 static void print_buffer (Lisp_Object, Lisp_Object, int);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
211 /* We do not need a finalize method to handle a buffer's children list
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
212 because all buffers have `kill-buffer' applied to them before
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
213 they disappear, and the children removal happens then. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
214 DEFINE_LRECORD_IMPLEMENTATION ("buffer", buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
215 mark_buffer, print_buffer, 0, 0, 0,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
216 struct buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
217
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
218 #ifdef ENERGIZE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
219 extern void mark_energize_buffer_data (struct buffer *b,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
220 void (*markobj) (Lisp_Object));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
221 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
222
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
223 Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
224 make_buffer (struct buffer *buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
225 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
226 Lisp_Object obj;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
227 XSETBUFFER (obj, buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
228 return obj;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
229 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
230
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
231 static Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
232 mark_buffer (Lisp_Object obj, void (*markobj) (Lisp_Object))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
233 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
234 struct buffer *buf = XBUFFER (obj);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
235
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
236 /* Truncate undo information. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
237 buf->undo_list = truncate_undo_list (buf->undo_list,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
238 undo_threshold,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
239 undo_high_threshold);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
240
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
241 #define MARKED_SLOT(x) ((markobj) (buf->x));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
242 #include "bufslots.h"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
243 #undef MARKED_SLOT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
244
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
245 #ifdef ENERGIZE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
246 mark_energize_buffer_data (XBUFFER (obj), markobj);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
247 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
248
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
249 ((markobj) (buf->extent_info));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
250
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
251 /* Don't mark normally through the children slot.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
252 (Actually, in this case, it doesn't matter.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
253 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
254 mark_conses_in_list (buf->indirect_children);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
255
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
256 if (buf->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
257 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
258 Lisp_Object base_buf_obj = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
259
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
260 XSETBUFFER (base_buf_obj, buf->base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
261 return base_buf_obj;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
262 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
263 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
264 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
265 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
266
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
267 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
268 print_buffer (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
269 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
270 struct buffer *b = XBUFFER (obj);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
271
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
272 if (print_readably)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
273 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
274 if (!BUFFER_LIVE_P (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
275 error ("printing unreadable object #<killed buffer>");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
276 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
277 error ("printing unreadable object #<buffer %s>",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
278 string_data (XSTRING (b->name)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
279 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
280 else if (!BUFFER_LIVE_P (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
281 write_c_string ("#<killed buffer>", printcharfun);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
282 else if (escapeflag)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
283 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
284 write_c_string ("#<buffer ", printcharfun);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
285 print_internal (b->name, printcharfun, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
286 write_c_string (">", printcharfun);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
287 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
288 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
289 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
290 print_internal (b->name, printcharfun, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
291 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
292 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
293
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
294
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
295 DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
296 T if OBJECT is an editor buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
297 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
298 (object)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
299 Lisp_Object object;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
300 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
301 if (BUFFERP (object))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
302 return Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
303 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
304 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
305
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
306 DEFUN ("buffer-live-p", Fbuffer_live_p, Sbuffer_live_p, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
307 T if OBJECT is an editor buffer that has not been deleted.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
308 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
309 (object)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
310 Lisp_Object object;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
311 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
312 if (BUFFERP (object) && BUFFER_LIVE_P (XBUFFER (object)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
313 return Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
314 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
315 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
316
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
317 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
318 nsberror (Lisp_Object spec)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
319 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
320 if (STRINGP (spec))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
321 error ("No buffer named %s", string_data (XSTRING (spec)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
322 signal_simple_error ("Invalid buffer argument", spec);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
323 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
324
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
325 DEFUN ("buffer-list", Fbuffer_list, Sbuffer_list, 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
326 Return a list of all existing live buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
327 The order is specific to the selected frame; if the optional FRAME
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
328 argument is provided, the ordering for that frame is returned instead.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
329 If the FRAME argument is t, then the global (non-frame) ordering is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
330 returned instead.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
331 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
332 (frame)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
333 Lisp_Object frame;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
334 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
335 Lisp_Object list;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
336 if (EQ (frame, Qt))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
337 list = Vbuffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
338 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
339 list = decode_frame (frame)->buffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
340 return Fmapcar (Qcdr, list);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
341 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
342
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
343 Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
344 get_buffer (Lisp_Object name, int error_if_deleted_or_does_not_exist)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
345 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
346 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
347
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
348 if (BUFFERP (name))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
349 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
350 if (!BUFFER_LIVE_P (XBUFFER (name)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
351 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
352 if (error_if_deleted_or_does_not_exist)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
353 nsberror (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
354 return (Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
355 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
356 return name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
357 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
358 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
359 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
360 struct gcpro gcpro1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
361
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
362 CHECK_STRING (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
363 name = LISP_GETTEXT (name); /* I18N3 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
364 GCPRO1 (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
365 buf = Fcdr (Fassoc (name, Vbuffer_alist));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
366 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
367 if (NILP (buf) && error_if_deleted_or_does_not_exist)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
368 nsberror (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
369 return (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
370 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
371 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
372
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
373 struct buffer *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
374 decode_buffer (Lisp_Object buffer, int allow_string)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
375 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
376 if (NILP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
377 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
378 return current_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
379 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
380 else if (STRINGP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
381 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
382 if (allow_string)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
383 return XBUFFER (get_buffer (buffer, 1));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
384 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
385 CHECK_BUFFER (buffer); /* This will cause a wrong-type error. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
386 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
387
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
388 CHECK_LIVE_BUFFER (buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
389 return XBUFFER (buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
390 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
391
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
392 DEFUN ("decode-buffer", Fdecode_buffer, Sdecode_buffer, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
393 Validate BUFFER or if BUFFER is nil, return the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
394 If BUFFER is a valid buffer or a string representing a valid buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
395 the corresponding buffer object will be returned. Otherwise an error
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
396 will be signaled.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
397 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
398 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
399 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
400 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
401 struct buffer *b = decode_buffer (buffer, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
402 XSETBUFFER (buffer, b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
403 return buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
404 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
405
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
406 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
407 /* bleagh!!! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
408 /* Like Fassoc, but use Fstring_equal to compare
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
409 (which ignores text properties),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
410 and don't ever QUIT. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
411
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
412 static Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
413 assoc_ignore_text_properties (register Lisp_Object key, Lisp_Object list)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
414 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
415 register Lisp_Object tail;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
416 for (tail = list; !NILP (tail); tail = Fcdr (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
417 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
418 register Lisp_Object elt, tem;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
419 elt = Fcar (tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
420 tem = Fstring_equal (Fcar (elt), key);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
421 if (!NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
422 return elt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
423 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
424 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
425 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
426
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
427 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
428
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
429 DEFUN ("get-buffer", Fget_buffer, Sget_buffer, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
430 Return the buffer named NAME (a string).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
431 If there is no live buffer named NAME, return nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
432 NAME may also be a buffer; if so, the value is that buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
433 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
434 (name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
435 Lisp_Object name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
436 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
437 #ifdef I18N3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
438 /* #### Doc string should indicate that the buffer name will get
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
439 translated. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
440 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
441
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
442 /* #### This might return a dead buffer. This is gross. This is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
443 called FSF compatibility. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
444 if (BUFFERP (name))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
445 return name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
446 return (get_buffer (name, 0));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
447 /* FSFmacs 19.29 calls assoc_ignore_text_properties() here.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
448 Bleagh!! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
449 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
450
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
451
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
452 DEFUN ("get-file-buffer", Fget_file_buffer, Sget_file_buffer, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
453 Return the buffer visiting file FILENAME (a string).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
454 The buffer's `buffer-file-name' must match exactly the expansion of FILENAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
455 If there is no such live buffer, return nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
456
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
457 Normally, the comparison is done by canonicalizing FILENAME (using
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
458 `expand-file-name') and comparing that to the value of `buffer-file-name'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
459 for each existing buffer. However, If `find-file-compare-truenames' is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
460 non-nil, FILENAME will be converted to its truename and the search will be
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
461 done on each buffer's value of `buffer-file-truename' instead of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
462 `buffer-file-name'. Otherwise, if `find-file-use-truenames' is non-nil,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
463 FILENAME will be converted to its truename and used for searching, but
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
464 the search will still be done on `buffer-file-name'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
465 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
466 (filename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
467 Lisp_Object filename;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
468 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
469 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
470 REGISTER Lisp_Object tail, buf, tem;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
471 struct gcpro gcpro1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
472
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
473 #ifdef I18N3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
474 /* DO NOT translate the filename. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
475 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
476 GCPRO1 (filename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
477 CHECK_STRING (filename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
478 filename = Fexpand_file_name (filename, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
479 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
480 /* If the file name has special constructs in it,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
481 call the corresponding file handler. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
482 Lisp_Object handler = Ffind_file_name_handler (filename, Qget_file_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
483 if (!NILP (handler))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
484 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
485 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
486 return call2 (handler, Qget_file_buffer, filename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
487 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
488 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
489 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
490
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
491 if (find_file_compare_truenames || find_file_use_truenames)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
492 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
493 struct gcpro ngcpro1, ngcpro2, ngcpro3;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
494 Lisp_Object fn = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
495 Lisp_Object dn = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
496
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
497 NGCPRO3 (fn, dn, filename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
498 fn = Ffile_truename (filename, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
499 if (NILP (fn))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
500 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
501 dn = Ffile_name_directory (filename);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
502 fn = Ffile_truename (dn, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
503 if (! NILP (fn)) dn = fn;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
504 fn = Fexpand_file_name (Ffile_name_nondirectory (filename),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
505 dn);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
506 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
507 filename = fn;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
508 NUNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
509 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
510
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
511 for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
512 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
513 buf = Fcdr (XCAR (tail));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
514 if (!BUFFERP (buf)) continue;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
515 if (!STRINGP (XBUFFER (buf)->filename)) continue;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
516 tem = Fstring_equal (filename,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
517 (find_file_compare_truenames
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
518 ? XBUFFER (buf)->file_truename
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
519 : XBUFFER (buf)->filename));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
520 if (!NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
521 return buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
522 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
523 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
524 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
525
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
526
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
527 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
528 push_buffer_alist (Lisp_Object name, Lisp_Object buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
529 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
530 Lisp_Object cons = Fcons (name, buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
531 Lisp_Object frmcons, devcons, concons;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
532
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
533 Vbuffer_alist = nconc2 (Vbuffer_alist, Fcons (cons, Qnil));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
534 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
535 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
536 struct frame *f;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
537 f = XFRAME (XCAR (frmcons));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
538 f->buffer_alist = nconc2 (f->buffer_alist, Fcons (cons, Qnil));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
539 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
540 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
541
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
542 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
543 delete_from_buffer_alist (Lisp_Object buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
544 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
545 Lisp_Object cons = Frassq (buf, Vbuffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
546 Lisp_Object frmcons, devcons, concons;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
547 if (NILP (cons))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
548 return; /* abort() ? */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
549 Vbuffer_alist = delq_no_quit (cons, Vbuffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
550
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
551 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
552 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
553 struct frame *f;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
554 f = XFRAME (XCAR (frmcons));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
555 f->buffer_alist = delq_no_quit (cons, f->buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
556 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
557 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
558
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
559 Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
560 get_truename_buffer (REGISTER Lisp_Object filename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
561 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
562 /* FSFmacs has its own code here and doesn't call get-file-buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
563 That's because their equivalent of find-file-compare-truenames
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
564 (find-file-existing-other-name) isn't looked at in get-file-buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
565 This way is more correct. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
566 int count = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
567
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
568 specbind (Qfind_file_compare_truenames, Qt);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
569 return unbind_to (count, Fget_file_buffer (filename));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
570 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
571
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
572 static struct buffer *
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
573 allocate_buffer (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
574 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
575 struct buffer *b = alloc_lcrecord (sizeof (struct buffer), lrecord_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
576
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
577 copy_lcrecord (b, XBUFFER (Vbuffer_defaults));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
578
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
579 return b;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
580 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
581
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
582 static Lisp_Object
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
583 finish_init_buffer (struct buffer *b, Lisp_Object name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
584 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
585 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
586
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
587 XSETBUFFER (buf, b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
588
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
589 name = Fcopy_sequence (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
590 /* #### This really does not need to be called. We already
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
591 initialized the buffer-local variables in allocate_buffer().
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
592 local_var_alist is set to Qnil at the same point, in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
593 nuke_all_buffer_slots(). */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
594 reset_buffer_local_variables (b, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
595 b->directory = ((current_buffer) ? current_buffer->directory : Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
596
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
597 b->last_window_start = 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
598
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
599 b->name = name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
600 if (string_byte (XSTRING (name), 0) != ' ')
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
601 b->undo_list = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
602 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
603 b->undo_list = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
604
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
605 /* initialize the extent list */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
606 init_buffer_extents (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
607
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
608 /* Put this in the alist of all live buffers. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
609 push_buffer_alist (name, buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
610
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
611 init_buffer_markers (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
612
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
613 b->generated_modeline_string = Fmake_string (make_int (84), make_int (' '));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
614 b->modeline_extent_table = make_lisp_hashtable (20, HASHTABLE_KEY_WEAK,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
615 HASHTABLE_EQ);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
616
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
617 return buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
618 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
619
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
620 DEFUN ("get-buffer-create", Fget_buffer_create, Sget_buffer_create, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
621 Return the buffer named NAME, or create such a buffer and return it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
622 A new buffer is created if there is no live buffer named NAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
623 If NAME starts with a space, the new buffer does not keep undo information.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
624 If NAME is a buffer instead of a string, then it is the value returned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
625 The value is never nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
626 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
627 (name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
628 Lisp_Object name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
629 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
630 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
631 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
632 REGISTER struct buffer *b;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
633
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
634 #ifdef I18N3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
635 /* #### Doc string should indicate that the buffer name will get
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
636 translated. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
637 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
638
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
639 name = LISP_GETTEXT (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
640 buf = Fget_buffer (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
641 if (!NILP (buf))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
642 return buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
643
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
644 if (string_length (XSTRING (name)) == 0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
645 error ("Empty string for buffer name is not allowed");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
646
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
647 b = allocate_buffer ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
648
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
649 b->text = &b->own_text;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
650 b->base_buffer = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
651 b->indirect_children = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
652 init_buffer_text (b, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
653
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
654 return finish_init_buffer (b, name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
655 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
656
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
657 DEFUN ("make-indirect-buffer",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
658 Fmake_indirect_buffer, Smake_indirect_buffer, 2, 2,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
659 "bMake indirect buffer (to buffer): \nBName of indirect buffer: " /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
660 Create and return an indirect buffer for buffer BASE, named NAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
661 BASE should be an existing buffer (or buffer name).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
662 NAME should be a string which is not the name of an existing buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
663 If BASE is an indirect buffer itself, the base buffer for that buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
664 is made the base buffer for the newly created buffer. (Thus, there will
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
665 never be indirect buffers whose base buffers are themselves indirect.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
666 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
667 (base_buffer, name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
668 Lisp_Object base_buffer, name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
669 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
670 error ("make-indirect-buffer not yet implemented, oops");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
671 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
672
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
673 #if 0 /* #### implement this! Need various changes in insdel.c */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
674 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
675 REGISTER struct buffer *b;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
676
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
677 name = LISP_GETTEXT (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
678 buf = Fget_buffer (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
679 if (!NILP (buf))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
680 error ("Buffer name `%s' is in use", string_data (XSTRING (name)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
681
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
682 base_buffer = Fget_buffer (base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
683 if (NILP (base_buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
684 error ("No such buffer: `%s'",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
685 string_data (XSTRING (XBUFFER (base_buffer)->name)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
686
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
687 if (string_length (XSTRING (name)) == 0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
688 error ("Empty string for buffer name is not allowed");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
689
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
690 b = allocate_buffer ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
691
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
692 if (XBUFFER (base_buffer)->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
693 b->base_buffer = XBUFFER (base_buffer)->base_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
694 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
695 b->base_buffer = XBUFFER (base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
696
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
697 /* Use the base buffer's text object. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
698 b->text = b->base_buffer->text;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
699 b->indirect_children = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
700 XSETBUFFER (buf, b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
701 b->base_buffer->indirect_children =
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
702 Fcons (buf, b->base_buffer->indirect_children);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
703 init_buffer_text (b, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
704
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
705 return finish_init_buffer (b, name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
706 #endif /* 0 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
707 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
708
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
709
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
710 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
711 reset_buffer_local_variables (struct buffer *b, int first_time)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
712 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
713 struct buffer *def = XBUFFER (Vbuffer_defaults);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
714
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
715 b->local_var_flags = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
716 /* For each slot that has a default value,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
717 copy that into the slot. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
718 #define MARKED_SLOT(slot) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
719 { int mask = XINT (buffer_local_flags.slot); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
720 if ((mask > 0 || mask == -1 || mask == -3) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
721 && (first_time \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
722 || NILP (Fget (XBUFFER (Vbuffer_local_symbols)->slot, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
723 Qpermanent_local, Qnil)))) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
724 b->slot = def->slot; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
725 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
726 #include "bufslots.h"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
727 #undef MARKED_SLOT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
728 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
729
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
730
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
731 /* We split this away from generate-new-buffer, because rename-buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
732 and set-visited-file-name ought to be able to use this to really
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
733 rename the buffer properly. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
734
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
735 DEFUN ("generate-new-buffer-name", Fgenerate_new_buffer_name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
736 Sgenerate_new_buffer_name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
737 1, 2, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
738 Return a string that is the name of no existing buffer based on NAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
739 If there is no live buffer named NAME, then return NAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
740 Otherwise modify name by appending `<NUMBER>', incrementing NUMBER
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
741 until an unused name is found, and then return that name.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
742 Optional second argument IGNORE specifies a name that is okay to use
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
743 \(if it is in the sequence to be tried)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
744 even if a buffer with that name exists.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
745 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
746 (name, ignore)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
747 Lisp_Object name, ignore;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
748 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
749 REGISTER Lisp_Object gentemp, tem;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
750 int count;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
751 char number[10];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
752
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
753 CHECK_STRING (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
754
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
755 name = LISP_GETTEXT (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
756 #ifdef I18N3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
757 /* #### Doc string should indicate that the buffer name will get
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
758 translated. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
759 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
760
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
761 tem = Fget_buffer (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
762 if (NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
763 return (name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
764
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
765 count = 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
766 while (1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
767 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
768 sprintf (number, "<%d>", ++count);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
769 gentemp = concat2 (name, build_string (number));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
770 if (!NILP (ignore))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
771 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
772 tem = Fstring_equal (gentemp, ignore);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
773 if (!NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
774 return gentemp;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
775 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
776 tem = Fget_buffer (gentemp);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
777 if (NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
778 return (gentemp);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
779 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
780 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
781
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
782
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
783 DEFUN ("buffer-name", Fbuffer_name, Sbuffer_name, 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
784 Return the name of BUFFER, as a string.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
785 With no argument or nil as argument, return the name of the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
786 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
787 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
788 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
789 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
790 /* For compatibility, we allow a dead buffer here.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
791 Earlier versions of Emacs didn't provide buffer-live-p. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
792 if (NILP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
793 return current_buffer->name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
794 CHECK_BUFFER (buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
795 return XBUFFER (buffer)->name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
796 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
797
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
798 DEFUN ("buffer-file-name", Fbuffer_file_name, Sbuffer_file_name, 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
799 Return name of file BUFFER is visiting, or nil if none.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
800 No argument or nil as argument means use the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
801 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
802 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
803 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
804 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
805 /* For compatibility, we allow a dead buffer here. Yuck! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
806 if (NILP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
807 return current_buffer->filename;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
808 CHECK_BUFFER (buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
809 return XBUFFER (buffer)->filename;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
810 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
811
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
812 DEFUN ("buffer-base-buffer", Fbuffer_base_buffer, Sbuffer_base_buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
813 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
814 Return the base buffer of indirect buffer BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
815 If BUFFER is not indirect, return nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
816 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
817 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
818 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
819 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
820 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
821 struct buffer *base = buf->base_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
822 Lisp_Object base_buffer = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
823
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
824 if (! base)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
825 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
826 XSETBUFFER (base_buffer, base);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
827 return base_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
828 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
829
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
830 DEFUN ("buffer-indirect-children", Fbuffer_indirect_children,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
831 Sbuffer_indirect_children,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
832 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
833 Return a list of all indirect buffers whose base buffer is BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
834 If BUFFER is indirect, the return value will always be nil; see
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
835 `make-indirect-buffer'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
836 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
837 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
838 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
839 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
840 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
841
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
842 return Fcopy_sequence (buf->indirect_children);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
843 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
844
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
845 /* Map MAPFUN over all buffers that share the same text as BUF
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
846 (this includes BUF). Pass two arguments to MAPFUN: a buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
847 and CLOSURE. If any invocation of MAPFUN returns non-zero,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
848 halt immediately and return that value. Otherwise, continue
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
849 the mapping to the end and return 0. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
850
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
851 int
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
852 map_over_sharing_buffers (struct buffer *buf,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
853 int (*mapfun) (struct buffer *buf, void *closure),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
854 void *closure)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
855 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
856 int result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
857 Lisp_Object tail;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
858
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
859 if (buf->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
860 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
861 buf = buf->base_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
862 assert (!buf->base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
863 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
864
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
865 result = (mapfun) (buf, closure);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
866 if (result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
867 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
868
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
869 LIST_LOOP (tail, buf->indirect_children)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
870 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
871 Lisp_Object buffer = XCAR (tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
872 result = (mapfun) (XBUFFER (buffer), closure);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
873 if (result)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
874 return result;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
875 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
876
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
877 return 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
878 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
879
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
880 DEFUN ("buffer-local-variables", Fbuffer_local_variables,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
881 Sbuffer_local_variables, 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
882 Return an alist of variables that are buffer-local in BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
883 Most elements look like (SYMBOL . VALUE), describing one variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
884 For a symbol that is locally unbound, just the symbol appears in the value.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
885 Note that storing new VALUEs in these elements doesn't change the variables.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
886 No argument or nil as argument means use current buffer as BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
887 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
888 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
889 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
890 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
891 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
892 Lisp_Object result = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
893
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
894 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
895 Lisp_Object tail;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
896 for (tail = buf->local_var_alist; CONSP (tail); tail = XCDR (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
897 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
898 Lisp_Object elt = XCAR (tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
899 /* Reference each variable in the alist in buf.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
900 If inquiring about the current buffer, this gets the current values,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
901 so store them into the alist so the alist is up to date.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
902 If inquiring about some other buffer, this swaps out any values
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
903 for that buffer, making the alist up to date automatically. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
904 Lisp_Object val = find_symbol_value (XCAR (elt));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
905 /* Use the current buffer value only if buf is the current buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
906 if (buf != current_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
907 val = XCDR (elt);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
908
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
909 /* If symbol is unbound, put just the symbol in the list. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
910 if (UNBOUNDP (val))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
911 result = Fcons (XCAR (elt), result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
912 /* Otherwise, put (symbol . value) in the list. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
913 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
914 result = Fcons (Fcons (XCAR (elt), val), result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
915 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
916 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
917
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
918 /* Add on all the variables stored in special slots. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
919 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
920 struct buffer *syms = XBUFFER (Vbuffer_local_symbols);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
921 #define MARKED_SLOT(slot) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
922 { int mask = XINT (buffer_local_flags.slot); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
923 if (mask == 0 || mask == -1 \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
924 || ((mask > 0) && (buf->local_var_flags & mask))) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
925 result = Fcons (Fcons (syms->slot, buf->slot), result); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
926 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
927 #include "bufslots.h"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
928 #undef MARKED_SLOT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
929 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
930 return (result);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
931 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
932
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
933 DEFUN ("buffer-dedicated-frame", Fbuffer_dedicated_frame,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
934 Sbuffer_dedicated_frame,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
935 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
936 Return the frame dedicated to this BUFFER, or nil if there is none.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
937 No argument or nil as argument means use current buffer as BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
938 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
939 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
940 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
941 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
942 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
943
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
944 /* XEmacs addition: if the frame is dead, silently make it go away. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
945 if (!NILP (buf->dedicated_frame) &&
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
946 !FRAME_LIVE_P (XFRAME (buf->dedicated_frame)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
947 buf->dedicated_frame = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
948
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
949 return buf->dedicated_frame;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
950 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
951
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
952 DEFUN ("set-buffer-dedicated-frame", Fset_buffer_dedicated_frame,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
953 Sset_buffer_dedicated_frame,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
954 2, 2, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
955 For this BUFFER, set the FRAME dedicated to it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
956 FRAME must be a frame or nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
957 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
958 (buffer, frame)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
959 Lisp_Object buffer, frame;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
960 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
961 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
962
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
963 if (!NILP (frame))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
964 CHECK_LIVE_FRAME (frame); /* XEmacs change */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
965
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
966 return buf->dedicated_frame = frame;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
967 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
968
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
969
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
970
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
971 DEFUN ("buffer-modified-p", Fbuffer_modified_p, Sbuffer_modified_p,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
972 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
973 Return t if BUFFER was modified since its file was last read or saved.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
974 No argument or nil as argument means use current buffer as BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
975 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
976 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
977 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
978 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
979 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
980
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
981 return BUF_SAVE_MODIFF (buf) < BUF_MODIFF (buf) ? Qt : Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
982 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
983
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
984 DEFUN ("set-buffer-modified-p", Fset_buffer_modified_p, Sset_buffer_modified_p,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
985 1, 2, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
986 Mark BUFFER as modified or unmodified according to FLAG.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
987 A non-nil FLAG means mark the buffer modified. No argument or nil
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
988 as BUFFER means use current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
989 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
990 (flag, buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
991 Lisp_Object flag, buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
992 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
993 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
994 Lisp_Object fn;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
995 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
996
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
997 #ifdef ENERGIZE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
998 Lisp_Object starting_flag =
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
999 (BUF_SAVE_MODIFF (buf) < BUF_MODIFF (buf)) ? Qt : Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1000 Lisp_Object argument_flag = (NILP (flag)) ? Qnil : Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1001 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1002
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1003 #ifdef CLASH_DETECTION
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1004 /* If buffer becoming modified, lock the file.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1005 If buffer becoming unmodified, unlock the file. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1006
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1007 fn = buf->file_truename;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1008 if (!NILP (fn))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1009 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1010 int already = BUF_SAVE_MODIFF (buf) < BUF_MODIFF (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1011 if (already == NILP (flag))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1012 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1013 int count = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1014 /* lock_file() and unlock_file() currently use current_buffer */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1015 record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1016 set_buffer_internal (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1017 if (!already && !NILP (flag))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1018 lock_file (fn);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1019 else if (already && NILP (flag))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1020 unlock_file (fn);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1021 unbind_to (count, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1022 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1023 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1024 #endif /* CLASH_DETECTION */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1025
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1026 /* This is often called when the buffer contents are altered but we
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1027 don't want to treat the changes that way (e.g. selective
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1028 display). We still need to make sure redisplay realizes that the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1029 contents have potentially altered and it needs to do some
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1030 work. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1031 BUF_MODIFF (buf)++;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1032 BUF_SAVE_MODIFF (buf) = NILP (flag) ? BUF_MODIFF (buf) : 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1033 MARK_MODELINE_CHANGED;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1034
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1035 #ifdef ENERGIZE
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1036 /* don't send any notification if we are "setting" the modification bit
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1037 to be the same as it already was */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1038 if (!EQ (starting_flag, argument_flag))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1039 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1040 extern Lisp_Object Qenergize_buffer_modified_hook;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1041 int count = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1042 record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1043 set_buffer_internal (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1044 va_run_hook_with_args (Qenergize_buffer_modified_hook, 3,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1045 flag, make_int (BUF_BEG (buf)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1046 make_int (BUF_Z (buf)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1047 unbind_to (count, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1048 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1049 #endif /* ENERGIZE */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1050
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1051 return flag;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1052 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1053
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1054 DEFUN ("buffer-modified-tick", Fbuffer_modified_tick, Sbuffer_modified_tick,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1055 0, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1056 Return BUFFER's tick counter, incremented for each change in text.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1057 Each buffer has a tick counter which is incremented each time the text in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1058 that buffer is changed. It wraps around occasionally.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1059 No argument or nil as argument means use current buffer as BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1060 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1061 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1062 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1063 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1064 struct buffer *buf = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1065
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1066 return make_int (BUF_MODIFF (buf));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1067 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1068
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1069 DEFUN ("rename-buffer", Frename_buffer, Srename_buffer, 1, 2,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1070 "sRename buffer (to new name): \nP" /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1071 Change current buffer's name to NEWNAME (a string).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1072 If second arg UNIQUE is nil or omitted, it is an error if a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1073 buffer named NEWNAME already exists.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1074 If UNIQUE is non-nil, come up with a new name using
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1075 `generate-new-buffer-name'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1076 Interactively, one can set UNIQUE with a prefix argument.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1077 Returns the name we actually gave the buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1078 This does not change the name of the visited file (if any).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1079 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1080 (newname, unique)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1081 Lisp_Object newname, unique;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1082 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1083 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1084 Lisp_Object tem, buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1085
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1086 #ifdef I18N3
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1087 /* #### Doc string should indicate that the buffer name will get
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1088 translated. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1089 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1090 CHECK_STRING (newname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1091 newname = LISP_GETTEXT (newname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1092
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1093 if (string_length (XSTRING (newname)) == 0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1094 error ("Empty string is invalid as a buffer name");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1095
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1096 tem = Fget_buffer (newname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1097 /* Don't short-circuit if UNIQUE is t. That is a useful way to rename
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1098 the buffer automatically so you can create another with the original name.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1099 It makes UNIQUE equivalent to
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1100 (rename-buffer (generate-new-buffer-name NEWNAME)). */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1101 /* XEmacs change: added check for nil */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1102 if (NILP (unique) && !NILP (tem) && XBUFFER (tem) == current_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1103 return current_buffer->name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1104 if (!NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1105 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1106 if (!NILP (unique))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1107 newname = Fgenerate_new_buffer_name (newname, current_buffer->name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1108 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1109 error ("Buffer name \"%s\" is in use",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1110 string_data (XSTRING (newname)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1111 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1112
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1113 current_buffer->name = newname;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1114
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1115 /* Catch redisplay's attention. Unless we do this, the modelines for
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1116 any windows displaying current_buffer will stay unchanged. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1117 MARK_MODELINE_CHANGED;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1118
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1119 buf = Fcurrent_buffer ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1120
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1121 /* The aconses in the Vbuffer_alist are shared with frame->buffer_alist,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1122 so this will change it in the per-frame ordering as well. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1123 Fsetcar (Frassq (buf, Vbuffer_alist), newname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1124 if (NILP (current_buffer->filename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1125 && !NILP (current_buffer->auto_save_file_name))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1126 call0 (Qrename_auto_save_file);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1127 /* refetch since that last call may have done GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1128 /* (hypothetical relocating GC) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1129 return current_buffer->name;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1130 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1131
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1132 DEFUN ("other-buffer", Fother_buffer, Sother_buffer, 0, 3, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1133 Return most recently selected buffer other than BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1134 Buffers not visible in windows are preferred to visible buffers,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1135 unless optional third argument VISIBLE-OK is non-nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1136 If no other buffer exists, the buffer `*scratch*' is returned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1137 If BUFFER is omitted or nil, some interesting buffer is returned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1138
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1139 The ordering is for this frame; If second optional argument FRAME
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1140 is provided, then the ordering is for that frame. If the second arg
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1141 is t, then the global ordering is returned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1142
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1143 Note: In FSF Emacs, this function takes two arguments: BUFFER and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1144 VISIBLE-OK.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1145 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1146 (buffer, frame, visible_ok)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1147 Lisp_Object buffer, frame, visible_ok;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1148 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1149 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1150 Lisp_Object tail, buf, notsogood, tem;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1151 Lisp_Object alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1152
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1153 notsogood = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1154
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1155 if (EQ (frame, Qt))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1156 alist = Vbuffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1157 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1158 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1159 struct frame *f = decode_frame (frame);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1160
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1161 XSETFRAME (frame, f);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1162 alist = f->buffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1163 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1164
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1165 for (tail = alist; !NILP (tail); tail = Fcdr (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1166 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1167 buf = Fcdr (Fcar (tail));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1168 if (EQ (buf, buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1169 continue;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1170 if (string_byte (XSTRING (XBUFFER (buf)->name), 0) == ' ')
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1171 continue;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1172 /* If FRAME has a buffer_predicate,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1173 disregard buffers that don't fit the predicate. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1174 if (FRAMEP (frame))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1175 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1176 tem = XFRAME (frame)->buffer_predicate;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1177 if (!NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1178 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1179 tem = call1 (tem, buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1180 if (NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1181 continue;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1182 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1183 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1184
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1185 if (NILP (visible_ok))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1186 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1187 /* get-buffer-window will handle nil or t frame */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1188 tem = Fget_buffer_window (buf, frame, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1189 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1190 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1191 tem = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1192 if (NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1193 return buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1194 if (NILP (notsogood))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1195 notsogood = buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1196 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1197 if (!NILP (notsogood))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1198 return notsogood;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1199 return Fget_buffer_create (QSscratch);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1200 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1201
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1202 /* XEmacs change: Make this argument required because this is a dangerous
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1203 function. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1204 DEFUN ("buffer-disable-undo", Fbuffer_disable_undo, Sbuffer_disable_undo, 1, 1, "" /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1205 Make BUFFER stop keeping undo information.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1206 Any undo records it already has are discarded.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1207 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1208 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1209 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1210 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1211 /* Allowing nil is an RMSism */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1212 struct buffer *real_buf = decode_buffer (buffer, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1213 real_buf->undo_list = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1214 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1215 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1216
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1217 DEFUN ("buffer-enable-undo", Fbuffer_enable_undo, Sbuffer_enable_undo,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1218 0, 1, "" /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1219 Start keeping undo information for buffer BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1220 No argument or nil as argument means do this for the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1221 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1222 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1223 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1224 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1225 /* Allowing nil is an RMSism */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1226 struct buffer *real_buf = decode_buffer (buffer, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1227 if (EQ (real_buf->undo_list, Qt))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1228 real_buf->undo_list = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1229
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1230 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1231 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1232
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1233 DEFUN ("kill-buffer", Fkill_buffer, Skill_buffer, 1, 1, "bKill buffer: " /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1234 Kill the buffer BUFNAME.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1235 The argument may be a buffer or may be the name of a buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1236 An argument of nil means kill the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1237
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1238 Value is t if the buffer is actually killed, nil if user says no.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1239
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1240 The value of `kill-buffer-hook' (which may be local to that buffer),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1241 if not void, is a list of functions to be called, with no arguments,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1242 before the buffer is actually killed. The buffer to be killed is current
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1243 when the hook functions are called.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1244
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1245 Any processes that have this buffer as the `process-buffer' are killed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1246 with `delete-process'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1247 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1248 (bufname)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1249 Lisp_Object bufname;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1250 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1251 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1252 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1253 REGISTER struct buffer *b;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1254 struct gcpro gcpro1, gcpro2;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1255
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1256 if (NILP (bufname))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1257 buf = Fcurrent_buffer ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1258 else if (BUFFERP (bufname))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1259 buf = bufname;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1260 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1261 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1262 buf = get_buffer (bufname, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1263 if (NILP (buf)) nsberror (bufname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1264 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1265
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1266 b = XBUFFER (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1267
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1268 /* OK to delete an already-deleted buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1269 if (!BUFFER_LIVE_P (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1270 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1271
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1272 /* Don't kill the minibuffer now current. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1273 if (EQ (buf, Vminibuffer_zero))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1274 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1275
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1276 /* Or the echo area. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1277 if (EQ (buf, Vecho_area_buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1278 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1279
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1280 /* Query if the buffer is still modified. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1281 if (INTERACTIVE && !NILP (b->filename)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1282 && BUF_MODIFF (b) > BUF_SAVE_MODIFF (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1283 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1284 Lisp_Object killp;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1285 GCPRO2 (buf, bufname);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1286 killp = call1
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1287 (Qyes_or_no_p,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1288 (emacs_doprnt_string_c
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1289 ((CONST Bufbyte *) GETTEXT ("Buffer %s modified; kill anyway? "),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1290 Qnil, -1, string_data (XSTRING (b->name)))));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1291 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1292 if (NILP (killp))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1293 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1294 b = XBUFFER (buf); /* Hypothetical relocating GC. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1295 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1296
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1297 /* Run hooks with the buffer to be killed temporarily selected,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1298 unless the buffer is already dead (could have been deleted
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1299 in the question above).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1300 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1301 if (BUFFER_LIVE_P (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1302 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1303 int speccount = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1304 Lisp_Object tail = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1305
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1306 GCPRO2 (buf, tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1307 record_unwind_protect (save_excursion_restore, save_excursion_save ());
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1308 Fset_buffer (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1309
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1310 /* First run the query functions; if any query is answered no,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1311 don't kill the buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1312 for (tail = Vkill_buffer_query_functions;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1313 !NILP (tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1314 tail = Fcdr (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1315 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1316 if (NILP (call0 (Fcar (tail))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1317 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1318 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1319 return unbind_to (speccount, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1320 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1321 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1322
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1323 /* Then run the hooks. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1324 run_hook (Qkill_buffer_hook);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1325 #ifdef HAVE_X_WINDOWS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1326 /* If an X selection was in this buffer, disown it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1327 We could have done this by simply adding this function to the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1328 kill-buffer-hook, but the user might mess that up.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1329 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1330 if (EQ (Vwindow_system, Qx))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1331 call0 (intern ("xselect-kill-buffer-hook"));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1332 /* #### generalize me! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1333 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1334 unbind_to (speccount, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1335 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1336 b = XBUFFER (buf); /* Hypothetical relocating GC. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1337 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1338
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1339 /* We have no more questions to ask. Verify that it is valid
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1340 to kill the buffer. This must be done after the questions
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1341 since anything can happen within yes-or-no-p. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1342
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1343 /* Don't kill the minibuffer now current. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1344 if (EQ (buf, XWINDOW (minibuf_window)->buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1345 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1346
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1347 /* Might have been deleted during the last question above */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1348 if (!BUFFER_LIVE_P (b))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1349 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1350
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1351 /* When we kill a base buffer, kill all its indirect buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1352 We do it at this stage so nothing terrible happens if they
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1353 ask questions or their hooks get errors. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1354 if (! b->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1355 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1356 Lisp_Object rest;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1357
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1358 GCPRO1 (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1359
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1360 LIST_LOOP (rest, b->indirect_children)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1361 Fkill_buffer (XCAR (rest));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1362
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1363 UNGCPRO;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1364 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1365
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1366 /* Make this buffer not be current.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1367 In the process, notice if this is the sole visible buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1368 and give up if so. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1369 if (b == current_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1370 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1371 Fset_buffer (Fother_buffer (buf, Qnil, Qnil));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1372 if (b == current_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1373 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1374 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1375
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1376 /* Now there is no question: we can kill the buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1377
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1378 #ifdef CLASH_DETECTION
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1379 /* Unlock this buffer's file, if it is locked. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1380 unlock_buffer (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1381 #endif /* CLASH_DETECTION */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1382
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1383 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1384 int speccount = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1385 specbind (Qinhibit_quit, Qt);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1386
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1387 kill_buffer_processes (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1388
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1389 /* #### This is a problem if this buffer is in a dedicated window.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1390 Need to undedicate any windows of this buffer first (and delete them?)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1391 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1392 Freplace_buffer_in_windows (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1393
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1394 delete_from_buffer_alist (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1395
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1396 font_lock_buffer_was_killed (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1397
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1398 /* Delete any auto-save file, if we saved it in this session. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1399 if (STRINGP (b->auto_save_file_name)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1400 && b->auto_save_modified != 0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1401 && BUF_SAVE_MODIFF (b) < b->auto_save_modified)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1402 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1403 if (!NILP (Vdelete_auto_save_files))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1404 internal_delete_file (b->auto_save_file_name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1405 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1406
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1407 uninit_buffer_markers (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1408
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1409 kill_buffer_local_variables (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1410
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1411 b->name = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1412 uninit_buffer_text (b, !!b->base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1413 b->undo_list = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1414 uninit_buffer_extents (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1415 if (b->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1416 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1417 #ifdef ERROR_CHECK_BUFPOS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1418 assert (!NILP (memq_no_quit (buf, b->base_buffer->indirect_children)));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1419 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1420 b->base_buffer->indirect_children =
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1421 delq_no_quit (buf, b->base_buffer->indirect_children);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1422 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1423
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1424 /* Clear away all Lisp objects, so that they
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1425 won't be protected from GC. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1426 nuke_all_buffer_slots (b, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1427
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1428 unbind_to (speccount, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1429 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1430 return Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1431 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1432
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1433 DEFUN ("record-buffer", Frecord_buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1434 Srecord_buffer, 1, 1, 0 /*
2
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1435 Place buffer BUF first in the buffer order.
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1436 Call this function when a buffer is selected \"visibly\".
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1437
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1438 This function changes the global buffer order and the per-frame buffer
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1439 order for the selected frame. The buffer order keeps track of recency
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1440 of selection so that `other-buffer' will return a recently selected
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1441 buffer. See `other-buffer' for more information.
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1442 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1443 (buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1444 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1445 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1446 REGISTER Lisp_Object lynk, prev;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1447 struct frame *f = selected_frame ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1448
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1449 prev = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1450 for (lynk = Vbuffer_alist; CONSP (lynk); lynk = XCDR (lynk))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1451 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1452 if (EQ (XCDR (XCAR (lynk)), buf))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1453 break;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1454 prev = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1455 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1456 /* Effectively do Vbuffer_alist = delq_no_quit (lynk, Vbuffer_alist) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1457 if (NILP (prev))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1458 Vbuffer_alist = XCDR (Vbuffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1459 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1460 XCDR (prev) = XCDR (XCDR (prev));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1461 XCDR (lynk) = Vbuffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1462 Vbuffer_alist = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1463
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1464 /* That was the global one. Now do the same thing for the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1465 per-frame buffer-alist. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1466 prev = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1467 for (lynk = f->buffer_alist; CONSP (lynk); lynk = XCDR (lynk))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1468 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1469 if (EQ (XCDR (XCAR (lynk)), buf))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1470 break;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1471 prev = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1472 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1473 /* Effectively do f->buffer_alist = delq_no_quit (lynk, f->buffer_alist) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1474 if (NILP (prev))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1475 f->buffer_alist = XCDR (f->buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1476 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1477 XCDR (prev) = XCDR (XCDR (prev));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1478 XCDR (lynk) = f->buffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1479 f->buffer_alist = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1480 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1481 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1482
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1483 DEFUN ("set-buffer-major-mode", Fset_buffer_major_mode,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1484 Sset_buffer_major_mode, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1485 Set an appropriate major mode for BUFFER, according to `default-major-mode'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1486 Use this function before selecting the buffer, since it may need to inspect
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1487 the current buffer's major mode.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1488 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1489 (buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1490 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1491 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1492 int speccount = specpdl_depth ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1493 REGISTER Lisp_Object function, tem;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1494
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1495 function = XBUFFER (Vbuffer_defaults)->major_mode;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1496 if (NILP (function))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1497 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1498 tem = Fget (current_buffer->major_mode, Qmode_class, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1499 if (NILP (tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1500 function = current_buffer->major_mode;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1501 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1502
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1503 if (NILP (function) || EQ (function, Qfundamental_mode))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1504 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1505
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1506 /* To select a nonfundamental mode,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1507 select the buffer temporarily and then call the mode function. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1508
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1509 record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1510
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1511 Fset_buffer (buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1512 call0 (function);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1513
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1514 return unbind_to (speccount, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1515 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1516
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1517 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1518 switch_to_buffer (Lisp_Object bufname, Lisp_Object norecord)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1519 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1520 call2 (Qswitch_to_buffer, bufname, norecord);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1521 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1522
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1523
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1524 DEFUN ("current-buffer", Fcurrent_buffer, Scurrent_buffer, 0, 0, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1525 Return the current buffer as a Lisp object.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1526 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1527 ()
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1528 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1529 Lisp_Object buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1530 XSETBUFFER (buf, current_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1531 return buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1532 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1533
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1534 /* Set the current buffer to B. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1535
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1536 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1537 set_buffer_internal (struct buffer *b)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1538 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1539 REGISTER struct buffer *old_buf;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1540 REGISTER Lisp_Object tail;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1541
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1542 if (current_buffer == b)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1543 return;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1544
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1545 INVALIDATE_PIXEL_TO_GLYPH_CACHE;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1546
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1547 old_buf = current_buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1548 current_buffer = b;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1549 invalidate_current_column (); /* invalidate indentation cache */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1550
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1551 #ifdef HAVE_FEP
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1552 if (!noninteractive && initialized)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1553 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1554 extern Lisp_Object Ffep_force_on (), Ffep_force_off (), Ffep_get_mode ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1555
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1556 old_buf->fep_mode = Ffep_get_mode ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1557
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1558 if (!NILP (current_buffer->fep_mode))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1559 Ffep_force_on ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1560 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1561 Ffep_force_off ();
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1562 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1563 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1564
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1565 if (old_buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1566 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1567 /* Put the undo list back in the base buffer, so that it appears
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1568 that an indirect buffer shares the undo list of its base. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1569 if (old_buf->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1570 old_buf->base_buffer->undo_list = old_buf->undo_list;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1571 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1572
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1573 /* Get the undo list from the base buffer, so that it appears
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1574 that an indirect buffer shares the undo list of its base. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1575 if (b->base_buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1576 b->undo_list = b->base_buffer->undo_list;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1577
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1578 /* Look down buffer's list of local Lisp variables
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1579 to find and update any that forward into C variables. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1580
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1581 LIST_LOOP (tail, b->local_var_alist)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1582 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1583 Lisp_Object sym = XCAR (XCAR (tail));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1584 Lisp_Object valcontents = XSYMBOL (sym)->value;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1585 if (SYMBOL_VALUE_MAGIC_P (valcontents))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1586 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1587 /* Just reference the variable
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1588 to cause it to become set for this buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1589 (void) find_symbol_value (sym);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1590 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1591 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1592
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1593 /* Do the same with any others that were local to the previous buffer */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1594
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1595 if (old_buf)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1596 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1597 for (tail = old_buf->local_var_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1598 !NILP (tail);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1599 tail = XCDR (tail))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1600 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1601 Lisp_Object sym = XCAR (XCAR (tail));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1602 Lisp_Object valcontents = XSYMBOL (sym)->value;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1603
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1604 if (SYMBOL_VALUE_MAGIC_P (valcontents))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1605 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1606 /* Just reference the variable
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1607 to cause it to become set for this buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1608 (void) find_symbol_value (sym);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1609 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1610 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1611 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1612 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1613
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1614 DEFUN ("set-buffer", Fset_buffer, Sset_buffer, 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1615 Make the buffer BUFNAME current for editing operations.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1616 BUFNAME may be a buffer or the name of an existing buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1617 See also `save-excursion' when you want to make a buffer current temporarily.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1618 This function does not display the buffer, so its effect ends
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1619 when the current command terminates.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1620 Use `switch-to-buffer' or `pop-to-buffer' to switch buffers permanently.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1621 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1622 (bufname)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1623 Lisp_Object bufname;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1624 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1625 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1626 buffer = get_buffer (bufname, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1627 if (NILP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1628 error ("Selecting deleted or non-existent buffer");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1629 set_buffer_internal (XBUFFER (buffer));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1630 return buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1631 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1632
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1633
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1634 DEFUN ("barf-if-buffer-read-only", Fbarf_if_buffer_read_only,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1635 Sbarf_if_buffer_read_only, 0, 3, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1636 Signal a `buffer-read-only' error if the buffer is read-only.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1637 Optional argument BUFFER defaults to the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1638
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1639 If optional argument START is non-nil, all extents in the buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1640 which overlap that part of the buffer are checked to ensure none has a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1641 `read-only' property. (Extents that lie completely within the range,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1642 however, are not checked.) END defaults to the value of START.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1643
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1644 If START and END are equal, the range checked is [START, END] (i.e.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1645 closed on both ends); otherwise, the range checked is (START, END)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1646 (open on both ends), except that extents that lie completely within
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1647 [START, END] are not checked. See `extent-in-region-p' for a fuller
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1648 discussion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1649 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1650 (buffer, start, end)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1651 Lisp_Object buffer, start, end;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1652 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1653 struct buffer *b = decode_buffer (buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1654 Bufpos s, e;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1655
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1656 if (NILP (start))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1657 s = e = -1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1658 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1659 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1660 if (NILP (end))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1661 end = start;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1662 get_buffer_range_char (b, start, end, &s, &e, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1663 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1664 barf_if_buffer_read_only (b, s, e);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1665
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1666 return (Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1667 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1668
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1669 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1670 bury_buffer_1 (Lisp_Object buffer, Lisp_Object before,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1671 Lisp_Object *buffer_alist)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1672 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1673 Lisp_Object aelt = rassq_no_quit (buffer, *buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1674 Lisp_Object lynk = memq_no_quit (aelt, *buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1675 Lisp_Object iter, before_before;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1676
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1677 *buffer_alist = delq_no_quit (aelt, *buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1678 for (before_before = Qnil, iter = *buffer_alist;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1679 !NILP (iter) && !EQ (XCDR (XCAR (iter)), before);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1680 before_before = iter, iter = XCDR (iter))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1681 ;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1682 XCDR (lynk) = iter;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1683 if (!NILP (before_before))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1684 XCDR (before_before) = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1685 else
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1686 *buffer_alist = lynk;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1687 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1688
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1689 DEFUN ("bury-buffer", Fbury_buffer, Sbury_buffer, 0, 2, "" /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1690 Put BUFFER at the end of the list of all buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1691 There it is the least likely candidate for `other-buffer' to return;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1692 thus, the least likely buffer for \\[switch-to-buffer] to select by default.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1693 If BUFFER is nil or omitted, bury the current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1694 Also, if BUFFER is nil or omitted, remove the current buffer from the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1695 selected window if it is displayed there.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1696 If BEFORE is non-nil, it specifies a buffer before which BUFFER
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1697 will be placed, instead of being placed at the end.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1698 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1699 (buffer, before)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1700 Lisp_Object buffer, before;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1701 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1702 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1703 struct buffer *buf = decode_buffer (buffer, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1704 /* If we're burying the current buffer, unshow it. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1705 /* Note that the behavior of (bury-buffer nil) and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1706 (bury-buffer (current-buffer)) is not the same.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1707 This is illogical but is historical. Changing it
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1708 breaks mh-e and TeX and such packages. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1709 if (NILP (buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1710 switch_to_buffer (Fother_buffer (Fcurrent_buffer (), Qnil, Qnil), Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1711 XSETBUFFER (buffer, buf);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1712
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1713 if (!NILP (before))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1714 before = get_buffer (before, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1715
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1716 if (EQ (before, buffer))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1717 error ("Cannot place a buffer before itself");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1718
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1719 bury_buffer_1 (buffer, before, &Vbuffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1720 bury_buffer_1 (buffer, before, &selected_frame ()->buffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1721
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1722 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1723 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1724
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1725
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1726 DEFUN ("erase-buffer", Ferase_buffer, Serase_buffer, 0, 1, "*" /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1727 Delete the entire contents of the BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1728 Any clipping restriction in effect (see `narrow-to-region') is removed,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1729 so the buffer is truly empty after this.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1730 BUFFER defaults to the current buffer if omitted.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1731 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1732 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1733 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1734 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1735 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1736 struct buffer *b = decode_buffer (buffer, 1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1737 /* #### yuck yuck yuck. This is gross. The old echo-area code,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1738 however, was the only place that called erase_buffer() with a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1739 non-zero NO_CLIP argument.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1740
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1741 Someone needs to fix up the redisplay code so it is smarter
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1742 about this, so that the NO_CLIP junk isn't necessary. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1743 int no_clip = (b == XBUFFER (Vecho_area_buffer));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1744
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1745 INVALIDATE_PIXEL_TO_GLYPH_CACHE;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1746
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1747 widen_buffer (b, no_clip);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1748 buffer_delete_range (b, BUF_BEG (b), BUF_Z (b), 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1749 b->last_window_start = 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1750
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1751 /* Prevent warnings, or suspension of auto saving, that would happen
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1752 if future size is less than past size. Use of erase-buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1753 implies that the future text is not really related to the past text. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1754 b->save_length = Qzero;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1755
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1756 zmacs_region_stays = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1757 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1758 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1759
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1760
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1761
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1762 DEFUN ("kill-all-local-variables", Fkill_all_local_variables,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1763 Skill_all_local_variables, 0, 0, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1764 Switch to Fundamental mode by killing current buffer's local variables.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1765 Most local variable bindings are eliminated so that the default values
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1766 become effective once more. Also, the syntax table is set from
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1767 `standard-syntax-table', local keymap is set to nil,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1768 the abbrev table is set from `fundamental-mode-abbrev-table',
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1769 and all specifier specifications whose locale is the current buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1770 are removed. This function also forces redisplay of the modeline.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1771
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1772 Every function to select a new major mode starts by
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1773 calling this function.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1774
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1775 As a special exception, local variables whose names have
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1776 a non-nil `permanent-local' property are not eliminated by this function.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1777
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1778 The first thing this function does is run
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1779 the normal hook `change-major-mode-hook'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1780 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1781 ()
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1782 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1783 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1784 run_hook (Qchange_major_mode_hook);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1785
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1786 reset_buffer_local_variables (current_buffer, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1787
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1788 kill_buffer_local_variables (current_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1789
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1790 kill_specifier_buffer_locals (Fcurrent_buffer ());
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1791
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1792 /* Force modeline redisplay. Useful here because all major mode
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1793 commands call this function. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1794 MARK_MODELINE_CHANGED;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1795
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1796 return Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1797 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1798
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1799 #ifdef MEMORY_USAGE_STATS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1800
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1801 struct buffer_stats
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1802 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1803 int text;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1804 int markers;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1805 int extents;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1806 int other;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1807 };
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1808
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1809 static int
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1810 compute_buffer_text_usage (struct buffer *b, struct overhead_stats *ovstats)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1811 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1812 int malloc_use;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1813 int was_requested;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1814 int gap;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1815
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1816 was_requested = b->text->z - 1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1817 gap = b->text->gap_size;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1818 malloc_use = malloced_storage_size (b->text->beg, was_requested + gap, 0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1819 ovstats->gap_overhead += gap;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1820 ovstats->was_requested += was_requested;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1821 ovstats->malloc_overhead += malloc_use - (was_requested + gap);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1822 return malloc_use;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1823 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1824
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1825 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1826 compute_buffer_usage (struct buffer *b, struct buffer_stats *stats,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1827 struct overhead_stats *ovstats)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1828 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1829 memset (stats, 0, sizeof (*stats));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1830 stats->other += malloced_storage_size (b, sizeof (struct buffer), ovstats);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1831 stats->text += compute_buffer_text_usage (b, ovstats);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1832 stats->markers += compute_buffer_marker_usage (b, ovstats);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1833 stats->extents += compute_buffer_extent_usage (b, ovstats);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1834 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1835
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1836 DEFUN ("buffer-memory-usage", Fbuffer_memory_usage, Sbuffer_memory_usage,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1837 1, 1, 0 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1838 Return stats about the memory usage of buffer BUFFER.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1839 The values returned are in the form an alist of usage types and byte
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1840 counts. The byte counts attempt to encompass all the memory used
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1841 by the buffer (separate from the memory logically associated with a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1842 buffer or frame), including internal structures and any malloc()
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1843 overhead associated with them. In practice, the byte counts are
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1844 underestimated because certain memory usage is very hard to determine
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1845 (e.g. the amount of memory used inside the Xt library or inside the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1846 X server) and because there is other stuff that might logically
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1847 be associated with a window, buffer, or frame (e.g. window configurations,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1848 glyphs) but should not obviously be included in the usage counts.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1849
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1850 Multiple slices of the total memory usage may be returned, separated
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1851 by a nil. Each slice represents a particular view of the memory, a
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1852 particular way of partitioning it into groups. Within a slice, there
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1853 is no overlap between the groups of memory, and each slice collectively
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1854 represents all the memory concerned.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1855 */ )
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1856 (buffer)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1857 Lisp_Object buffer;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1858 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1859 struct buffer_stats stats;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1860 struct overhead_stats ovstats;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1861
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1862 CHECK_BUFFER (buffer); /* dead buffers should be allowed, no? */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1863 memset (&ovstats, 0, sizeof (ovstats));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1864 compute_buffer_usage (XBUFFER (buffer), &stats, &ovstats);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1865
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1866 return nconc2 (list4 (Fcons (Qtext, make_int (stats.text)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1867 Fcons (Qmarkers, make_int (stats.markers)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1868 Fcons (Qextents, make_int (stats.extents)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1869 Fcons (Qother, make_int (stats.other))),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1870 list5 (Qnil,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1871 Fcons (Qactually_requested,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1872 make_int (ovstats.was_requested)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1873 Fcons (Qmalloc_overhead,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1874 make_int (ovstats.malloc_overhead)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1875 Fcons (Qgap_overhead,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1876 make_int (ovstats.malloc_overhead)),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1877 Fcons (Qdynarr_overhead,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1878 make_int (ovstats.dynarr_overhead))));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1879 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1880
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1881 #endif /* MEMORY_USAGE_STATS */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1882
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1883 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1884 syms_of_buffer (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1885 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1886 defsymbol (&Qbuffer_live_p, "buffer-live-p");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1887 defsymbol (&Qbuffer_or_string_p, "buffer-or-string-p");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1888 defsymbol (&Qmode_class, "mode-class");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1889 defsymbol (&Qrename_auto_save_file, "rename-auto-save-file");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1890 defsymbol (&Qkill_buffer_hook, "kill-buffer-hook");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1891 defsymbol (&Qpermanent_local, "permanent-local");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1892
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1893 defsymbol (&Qfirst_change_hook, "first-change-hook");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1894 defsymbol (&Qbefore_change_functions, "before-change-functions");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1895 defsymbol (&Qafter_change_functions, "after-change-functions");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1896
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1897 /* #### Obsolete, for compatibility */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1898 defsymbol (&Qbefore_change_function, "before-change-function");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1899 defsymbol (&Qafter_change_function, "after-change-function");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1900
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1901 defsymbol (&Qbuffer_file_name, "buffer-file-name");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1902 defsymbol (&Qbuffer_undo_list, "buffer-undo-list");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1903 defsymbol (&Qdefault_directory, "default-directory");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1904
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1905 defsymbol (&Qget_file_buffer, "get-file-buffer");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1906 defsymbol (&Qchange_major_mode_hook, "change-major-mode-hook");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1907
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1908 defsymbol (&Qfundamental_mode, "fundamental-mode");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1909
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1910 defsymbol (&Qfind_file_compare_truenames, "find-file-compare-truenames");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1911
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1912 defsymbol (&Qswitch_to_buffer, "switch-to-buffer");
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1913
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1914 defsubr (&Sbufferp);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1915 defsubr (&Sbuffer_live_p);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1916 defsubr (&Sbuffer_list);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1917 defsubr (&Sdecode_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1918 defsubr (&Sget_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1919 defsubr (&Sget_file_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1920 defsubr (&Sget_buffer_create);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1921 defsubr (&Smake_indirect_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1922
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1923 defsubr (&Sgenerate_new_buffer_name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1924 defsubr (&Sbuffer_name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1925 defsubr (&Sbuffer_file_name);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1926 defsubr (&Sbuffer_base_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1927 defsubr (&Sbuffer_indirect_children);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1928 defsubr (&Sbuffer_local_variables);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1929 defsubr (&Sbuffer_dedicated_frame);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1930 defsubr (&Sset_buffer_dedicated_frame);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1931 defsubr (&Sbuffer_modified_p);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1932 defsubr (&Sset_buffer_modified_p);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1933 defsubr (&Sbuffer_modified_tick);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1934 defsubr (&Srename_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1935 defsubr (&Sother_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1936 defsubr (&Sbuffer_disable_undo);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1937 defsubr (&Sbuffer_enable_undo);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1938 defsubr (&Skill_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1939 defsubr (&Serase_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1940 defsubr (&Srecord_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1941 defsubr (&Sset_buffer_major_mode);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1942 defsubr (&Scurrent_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1943 defsubr (&Sset_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1944 defsubr (&Sbarf_if_buffer_read_only);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1945 defsubr (&Sbury_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1946 defsubr (&Skill_all_local_variables);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1947 #ifdef MEMORY_USAGE_STATS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1948 defsubr (&Sbuffer_memory_usage);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1949 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1950
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1951 deferror (&Qprotected_field, "protected-field",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1952 "Attempt to modify a protected field", Qerror);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1953 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1954
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1955 /* initialize the buffer routines */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1956 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1957 vars_of_buffer (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1958 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1959 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1960 staticpro (&QSFundamental);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1961 staticpro (&QSscratch);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1962 staticpro (&Vbuffer_alist);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1963
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1964 QSFundamental = Fpurecopy (build_string ("Fundamental"));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1965 QSscratch = Fpurecopy (build_string (DEFER_GETTEXT ("*scratch*")));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1966
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1967 Vbuffer_alist = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1968 current_buffer = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1969
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1970 DEFVAR_LISP ("change-major-mode-hook", &Vchange_major_mode_hook /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1971 List of hooks to be run before killing local variables in a buffer.
2
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
1972 This should be used by any mode that temporarily alters the contents or
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1973 the read-only state of the buffer. See also `kill-all-local-variables'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1974 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1975 Vchange_major_mode_hook = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1976
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1977 DEFVAR_BOOL ("find-file-compare-truenames", &find_file_compare_truenames /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1978 If this is true, then the find-file command will check the truenames
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1979 of all visited files when deciding whether a given file is already in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1980 a buffer, instead of just the buffer-file-name. This means that if you
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1981 attempt to visit another file which is a symbolic-link to a file which is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1982 already in a buffer, the existing buffer will be found instead of a newly-
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1983 created one. This works if any component of the pathname (including a non-
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1984 terminal component) is a symbolic link as well, but doesn't work with hard
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1985 links (nothing does).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1986
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1987 See also the variable find-file-use-truenames.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1988 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1989 find_file_compare_truenames = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1990
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1991 DEFVAR_BOOL ("find-file-use-truenames", &find_file_use_truenames /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1992 If this is true, then a buffer's visited file-name will always be
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1993 chased back to the real file; it will never be a symbolic link, and there
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1994 will never be a symbolic link anywhere in its directory path.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1995 That is, the buffer-file-name and buffer-file-truename will be equal.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1996 This doesn't work with hard links.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1997
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1998 See also the variable find-file-compare-truenames.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
1999 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2000 find_file_use_truenames = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2001
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2002 DEFVAR_LISP ("before-change-functions", &Vbefore_change_functions /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2003 List of functions to call before each text change.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2004 Two arguments are passed to each function: the positions of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2005 the beginning and end of the range of old text to be changed.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2006 \(For an insertion, the beginning and end are at the same place.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2007 No information is given about the length of the text after the change.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2008
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2009 Buffer changes made while executing the `before-change-functions'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2010 don't call any before-change or after-change functions.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2011 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2012 Vbefore_change_functions = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2013
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2014 /* FSF Emacs has the following additional doc at the end of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2015 before-change-functions and after-change-functions:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2016
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2017 That's because these variables are temporarily set to nil.\n\
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2018 As a result, a hook function cannot straightforwardly alter the value of\n\
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2019 these variables. See the Emacs Lisp manual for a way of\n\
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2020 accomplishing an equivalent result by using other variables.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2021
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2022 But this doesn't apply under XEmacs because things are
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2023 handled better. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2024
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2025 DEFVAR_LISP ("after-change-functions", &Vafter_change_functions /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2026 List of functions to call after each text change.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2027 Three arguments are passed to each function: the positions of
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2028 the beginning and end of the range of changed text,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2029 and the length of the pre-change text replaced by that range.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2030 \(For an insertion, the pre-change length is zero;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2031 for a deletion, that length is the number of characters deleted,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2032 and the post-change beginning and end are at the same place.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2033
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2034 Buffer changes made while executing `after-change-functions'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2035 don't call any before-change or after-change functions.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2036 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2037 Vafter_change_functions = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2038
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2039 DEFVAR_LISP ("before-change-function", &Vbefore_change_function /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2040
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2041 */ ); /* obsoleteness will be documented */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2042 Vbefore_change_function = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2043
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2044 DEFVAR_LISP ("after-change-function", &Vafter_change_function /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2045
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2046 */ ); /* obsoleteness will be documented */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2047 Vafter_change_function = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2048
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2049 DEFVAR_LISP ("first-change-hook", &Vfirst_change_hook /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2050 A list of functions to call before changing a buffer which is unmodified.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2051 The functions are run using the `run-hooks' function.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2052 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2053 Vfirst_change_hook = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2054
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2055 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2056 xxDEFVAR_LISP ("transient-mark-mode", &Vtransient_mark_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2057 *Non-nil means deactivate the mark when the buffer contents change.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2058 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2059 Vtransient_mark_mode = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2060 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2061
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2062 DEFVAR_INT ("undo-threshold", &undo_threshold /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2063 Keep no more undo information once it exceeds this size.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2064 This threshold is applied when garbage collection happens.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2065 The size is counted as the number of bytes occupied,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2066 which includes both saved text and other data.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2067 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2068 undo_threshold = 20000;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2069
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2070 DEFVAR_INT ("undo-high-threshold", &undo_high_threshold /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2071 Don't keep more than this much size of undo information.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2072 A command which pushes past this size is itself forgotten.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2073 This threshold is applied when garbage collection happens.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2074 The size is counted as the number of bytes occupied,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2075 which includes both saved text and other data.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2076 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2077 undo_high_threshold = 30000;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2078
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2079 DEFVAR_LISP ("inhibit-read-only", &Vinhibit_read_only /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2080 *Non-nil means disregard read-only status of buffers or characters.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2081 If the value is t, disregard `buffer-read-only' and all `read-only'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2082 text properties. If the value is a list, disregard `buffer-read-only'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2083 and disregard a `read-only' extent property or text property if the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2084 property value is a member of the list.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2085 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2086 Vinhibit_read_only = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2087
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2088 DEFVAR_LISP ("kill-buffer-query-functions", &Vkill_buffer_query_functions /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2089 List of functions called with no args to query before killing a buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2090 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2091 Vkill_buffer_query_functions = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2092
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2093 DEFVAR_LISP ("delete-auto-save-files", &Vdelete_auto_save_files /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2094 *Non-nil means delete auto-save file when a buffer is saved or killed.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2095 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2096 Vdelete_auto_save_files = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2097 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2098
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2099 /* DOC is ignored because it is snagged and recorded externally
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2100 * by make-docfile */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2101 /* Renamed from DEFVAR_PER_BUFFER because FSFmacs D_P_B takes
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2102 * a bogus extra arg, which confuses an otherwise identical make-docfile.c */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2103 /* Declaring this stuff as const produces 'Cannot reinitialize' messages
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2104 from SunPro C's fix-and-continue feature (a way neato feature that
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2105 makes debugging unbelievably more bearable) */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2106 #define DEFVAR_BUFFER_LOCAL(lname, field_name) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2107 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2108 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2109 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2110 SYMVAL_CURRENT_BUFFER_FORWARD }, 0 }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2111 defvar_buffer_local ((lname), &I_hate_C); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2112 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2113
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2114 #define DEFVAR_BUFFER_LOCAL_MAGIC(lname, field_name, magicfun) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2115 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2116 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2117 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2118 SYMVAL_CURRENT_BUFFER_FORWARD }, magicfun }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2119 defvar_buffer_local ((lname), &I_hate_C); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2120 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2121
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2122 #define DEFVAR_CONST_BUFFER_LOCAL(lname, field_name) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2123 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2124 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2125 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2126 SYMVAL_CONST_CURRENT_BUFFER_FORWARD }, 0 }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2127 defvar_buffer_local ((lname), &I_hate_C); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2128 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2129
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2130 #define DEFVAR_CONST_BUFFER_LOCAL_MAGIC(lname, field_name, magicfun) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2131 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2132 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2133 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2134 SYMVAL_CONST_CURRENT_BUFFER_FORWARD }, magicfun }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2135 defvar_buffer_local ((lname), &I_hate_C); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2136 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2137
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2138 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2139 defvar_buffer_local (CONST char *namestring,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2140 CONST struct symbol_value_forward *m)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2141 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2142 int offset = ((char *)symbol_value_forward_forward (m)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2143 - (char *)&buffer_local_flags);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2144
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2145 defvar_mumble (namestring, m, sizeof (*m));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2146
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2147 *((Lisp_Object *)(offset + (char *)XBUFFER (Vbuffer_local_symbols)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2148 = intern (namestring);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2149 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2150
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2151 /* DOC is ignored because it is snagged and recorded externally
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2152 * by make-docfile */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2153 #define DEFVAR_BUFFER_DEFAULTS(lname, field_name) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2154 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2155 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2156 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2157 SYMVAL_DEFAULT_BUFFER_FORWARD }, 0 }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2158 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2159 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2160
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2161 #define DEFVAR_BUFFER_DEFAULTS_MAGIC(lname, field_name, magicfun) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2162 do { static CONST_IF_NOT_DEBUG struct symbol_value_forward I_hate_C \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2163 = { { { { lrecord_symbol_value_forward }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2164 (void *) &(buffer_local_flags.field_name), 69 }, \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2165 SYMVAL_DEFAULT_BUFFER_FORWARD }, magicfun }; \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2166 defvar_mumble ((lname), &I_hate_C, sizeof (I_hate_C)); \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2167 } while (0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2168
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2169 static void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2170 nuke_all_buffer_slots (struct buffer *b, Lisp_Object zap)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2171 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2172 zero_lcrecord (b);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2173
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2174 #define MARKED_SLOT(x) b->x = (zap);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2175 #include "bufslots.h"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2176 #undef MARKED_SLOT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2177 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2178
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2179 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2180 complex_vars_of_buffer (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2181 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2182 /* Make sure all markable slots in buffer_defaults
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2183 are initialized reasonably, so mark_buffer won't choke.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2184 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2185 struct buffer *defs = alloc_lcrecord (sizeof (struct buffer),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2186 lrecord_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2187 struct buffer *syms = alloc_lcrecord (sizeof (struct buffer),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2188 lrecord_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2189
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2190 staticpro (&Vbuffer_defaults);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2191 staticpro (&Vbuffer_local_symbols);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2192 XSETBUFFER (Vbuffer_defaults, defs);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2193 XSETBUFFER (Vbuffer_local_symbols, syms);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2194
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2195 nuke_all_buffer_slots (syms, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2196 nuke_all_buffer_slots (defs, Qnil);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2197 defs->text = &defs->own_text;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2198 syms->text = &syms->own_text;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2199
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2200 /* Set up the non-nil default values of various buffer slots.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2201 Must do these before making the first buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2202 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2203 defs->major_mode = Qfundamental_mode;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2204 defs->mode_name = QSFundamental;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2205 defs->abbrev_table = Qnil; /* real default setup by Lisp code */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2206 defs->downcase_table = Vascii_downcase_table;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2207 defs->upcase_table = Vascii_upcase_table;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2208 defs->case_canon_table = Vascii_canon_table;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2209 defs->case_eqv_table = Vascii_eqv_table;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2210 defs->syntax_table = Vstandard_syntax_table;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2211
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2212 defs->modeline_format = build_string ("%-"); /* reset in loaddefs.el */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2213 defs->case_fold_search = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2214 defs->selective_display_ellipses = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2215 defs->tab_width = make_int (8);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2216 defs->ctl_arrow = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2217 defs->fill_column = make_int (70);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2218 defs->left_margin = Qzero;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2219 defs->save_length = Qzero; /* lisp code wants int-or-nil */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2220 defs->modtime = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2221 defs->auto_save_modified = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2222 defs->auto_save_failure_time = -1;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2223 defs->invisibility_spec = Qt;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2224
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2225 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2226 /* 0 means var is always local. Default used only at creation.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2227 * -1 means var is always local. Default used only at reset and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2228 * creation.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2229 * -2 means there's no lisp variable corresponding to this slot
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2230 * and the default is only used at creation.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2231 * -3 means no Lisp variable. Default used only at reset and creation.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2232 * >0 is mask. Var is local if ((buffer->local_var_flags & mask) != 0)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2233 * Otherwise default is used.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2234 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2235 Lisp_Object always_local_no_default = make_int (0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2236 Lisp_Object always_local_resettable = make_int (-1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2237 Lisp_Object resettable = make_int (-3);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2238
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2239 /* Assign the local-flags to the slots that have default values.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2240 The local flag is a bit that is used in the buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2241 to say that it has its own local value for the slot.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2242 The local flag bits are in the local_var_flags slot of the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2243 buffer. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2244
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2245 nuke_all_buffer_slots (&buffer_local_flags, make_int (-2));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2246 buffer_local_flags.filename = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2247 buffer_local_flags.directory = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2248 buffer_local_flags.backed_up = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2249 buffer_local_flags.save_length = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2250 buffer_local_flags.auto_save_file_name = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2251 buffer_local_flags.read_only = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2252
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2253 buffer_local_flags.major_mode = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2254 buffer_local_flags.mode_name = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2255 buffer_local_flags.undo_list = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2256 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2257 buffer_local_flags.mark_active = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2258 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2259 buffer_local_flags.point_before_scroll = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2260 buffer_local_flags.file_truename = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2261 buffer_local_flags.invisibility_spec = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2262 buffer_local_flags.file_format = always_local_resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2263 buffer_local_flags.generated_modeline_string = always_local_no_default;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2264
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2265 buffer_local_flags.keymap = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2266 buffer_local_flags.downcase_table = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2267 buffer_local_flags.upcase_table = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2268 buffer_local_flags.case_canon_table = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2269 buffer_local_flags.case_eqv_table = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2270 buffer_local_flags.syntax_table = resettable;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2271
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2272 buffer_local_flags.modeline_format = make_int (1);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2273 buffer_local_flags.abbrev_mode = make_int (2);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2274 buffer_local_flags.overwrite_mode = make_int (4);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2275 buffer_local_flags.case_fold_search = make_int (8);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2276 buffer_local_flags.auto_fill_function = make_int (0x10);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2277 buffer_local_flags.selective_display = make_int (0x20);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2278 buffer_local_flags.selective_display_ellipses = make_int (0x40);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2279 buffer_local_flags.tab_width = make_int (0x80);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2280 buffer_local_flags.truncate_lines = make_int (0x100);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2281 buffer_local_flags.ctl_arrow = make_int (0x200);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2282 buffer_local_flags.fill_column = make_int (0x400);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2283 buffer_local_flags.left_margin = make_int (0x800);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2284 buffer_local_flags.abbrev_table = make_int (0x1000);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2285 #ifdef REGION_CACHE_NEEDS_WORK
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2286 buffer_local_flags.cache_long_line_scans = make_int (0x2000);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2287 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2288 buffer_local_flags.buffer_file_type = make_int (0x4000);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2289
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2290 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2291 currently allowable due to the XINT() handling of this value.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2292 With some rearrangement you can get 4 more bits. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2293 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2294
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2295 DEFVAR_BUFFER_DEFAULTS ("default-modeline-format", modeline_format /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2296 Default value of `modeline-format' for buffers that don't override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2297 This is the same as (default-value 'modeline-format).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2298 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2299
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2300 DEFVAR_BUFFER_DEFAULTS ("default-abbrev-mode", abbrev_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2301 Default value of `abbrev-mode' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2302 This is the same as (default-value 'abbrev-mode).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2303 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2304
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2305 DEFVAR_BUFFER_DEFAULTS ("default-ctl-arrow", ctl_arrow /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2306 Default value of `ctl-arrow' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2307 This is the same as (default-value 'ctl-arrow).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2308 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2309
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2310 #if 0 /* #### make this a specifier! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2311 DEFVAR_BUFFER_DEFAULTS ("default-display-direction", display_direction /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2312 Default display-direction for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2313 This is the same as (default-value 'display-direction).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2314 Note: This is not yet implemented.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2315 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2316 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2317
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2318 DEFVAR_BUFFER_DEFAULTS ("default-truncate-lines", truncate_lines /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2319 Default value of `truncate-lines' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2320 This is the same as (default-value 'truncate-lines).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2321 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2322
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2323 DEFVAR_BUFFER_DEFAULTS ("default-fill-column", fill_column /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2324 Default value of `fill-column' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2325 This is the same as (default-value 'fill-column).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2326 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2327
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2328 DEFVAR_BUFFER_DEFAULTS ("default-left-margin", left_margin /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2329 Default value of `left-margin' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2330 This is the same as (default-value 'left-margin).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2331 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2332
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2333 DEFVAR_BUFFER_DEFAULTS ("default-tab-width", tab_width /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2334 Default value of `tab-width' for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2335 This is the same as (default-value 'tab-width).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2336 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2337
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2338 DEFVAR_BUFFER_DEFAULTS ("default-case-fold-search", case_fold_search /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2339 Default value of `case-fold-search' for buffers that don't override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2340 This is the same as (default-value 'case-fold-search).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2341 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2342
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2343 DEFVAR_BUFFER_DEFAULTS ("default-buffer-file-type", buffer_file_type /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2344 Default file type for buffers that do not override it.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2345 This is the same as (default-value 'buffer-file-type).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2346 The file type is nil for text, t for binary.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2347 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2348
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2349 DEFVAR_BUFFER_LOCAL ("modeline-format", modeline_format /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2350 Template for displaying modeline for current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2351 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2352 Value may be a string, a symbol or a list or cons cell.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2353 For a symbol, its value is used (but it is ignored if t or nil).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2354 A string appearing directly as the value of a symbol is processed verbatim
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2355 in that the %-constructs below are not recognized.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2356 For a glyph, it is inserted as is.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2357 For a list whose car is a symbol, the symbol's value is taken,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2358 and if that is non-nil, the cadr of the list is processed recursively.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2359 Otherwise, the caddr of the list (if there is one) is processed.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2360 For a list whose car is a string or list, each element is processed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2361 recursively and the results are effectively concatenated.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2362 For a list whose car is an integer, the cdr of the list is processed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2363 and padded (if the number is positive) or truncated (if negative)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2364 to the width specified by that number.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2365 For a list whose car is an extent, the cdr of the list is processed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2366 normally but the results are displayed using the face of the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2367 extent, and mouse clicks over this section are processed using the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2368 keymap of the extent. (In addition, if the extent has a help-echo
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2369 property, that string will be echoed when the mouse moves over this
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2370 section.) See `generated-modeline-string' for more information.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2371 For a list whose car is a face, the cdr of the list is processed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2372 normally but the results will be displayed using the face in the car.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2373 For a list whose car is a keymap, the cdr of the list is processed
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2374 normally but the keymap will apply for mouse clicks over the results,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2375 in addition to `modeline-map'. Nested keymap specifications are
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2376 handled properly.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2377 A string is printed verbatim in the modeline except for %-constructs:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2378 (%-constructs are processed when the string is the entire modeline-format
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2379 or when it is found in a cons-cell or a list)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2380 %b -- print buffer name. %c -- print the current column number.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2381 %f -- print visited file name.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2382 %* -- print %, * or hyphen. %+ -- print *, % or hyphen.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2383 % means buffer is read-only and * means it is modified.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2384 For a modified read-only buffer, %* gives % and %+ gives *.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2385 %s -- print process status. %l -- print the current line number.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2386 %S -- print name of selected frame (only meaningful under X Windows).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2387 %p -- print percent of buffer above top of window, or Top, Bot or All.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2388 %P -- print percent of buffer above bottom of window, perhaps plus Top,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2389 or print Bottom or All.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2390 %n -- print Narrow if appropriate.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2391 %t -- Under MS-DOS, print T if files is text, B if binary.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2392 %[ -- print one [ for each recursive editing level. %] similar.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2393 %% -- print %. %- -- print infinitely many dashes.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2394 Decimal digits after the % specify field width to which to pad. */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2395
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2396 DEFVAR_BUFFER_DEFAULTS ("default-major-mode", major_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2397 *Major mode for new buffers. Defaults to `fundamental-mode'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2398 nil here means use current buffer's major mode.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2399 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2400
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2401 DEFVAR_BUFFER_DEFAULTS ("fundamental-mode-abbrev-table", abbrev_table /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2402 The abbrev table of mode-specific abbrevs for Fundamental Mode.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2403 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2404
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2405 DEFVAR_BUFFER_LOCAL ("major-mode", major_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2406 Symbol for current buffer's major mode.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2407 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2408
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2409 DEFVAR_BUFFER_LOCAL ("mode-name", mode_name /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2410 Pretty name of current buffer's major mode (a string).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2411 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2412
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2413 DEFVAR_BUFFER_LOCAL ("abbrev-mode", abbrev_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2414 Non-nil turns on automatic expansion of abbrevs as they are inserted.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2415 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2416 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2417
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2418 DEFVAR_BUFFER_LOCAL ("case-fold-search", case_fold_search /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2419 *Non-nil if searches should ignore case.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2420 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2421 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2422
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2423 DEFVAR_BUFFER_LOCAL ("fill-column", fill_column /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2424 *Column beyond which automatic line-wrapping should happen.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2425 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2426 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2427
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2428 DEFVAR_BUFFER_LOCAL ("left-margin", left_margin /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2429 *Column for the default indent-line-function to indent to.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2430 Linefeed indents to this column in Fundamental mode.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2431 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2432 Do not confuse this with the specifier `left-margin-width';
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2433 that controls the size of a margin that is displayed outside
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2434 of the text area.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2435 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2436
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2437 DEFVAR_BUFFER_LOCAL_MAGIC ("tab-width", tab_width /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2438 *Distance between tab stops (for display of tab characters), in columns.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2439 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2440 */ , redisplay_variable_changed);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2441
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2442 DEFVAR_BUFFER_LOCAL_MAGIC ("ctl-arrow", ctl_arrow /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2443 *Non-nil means display control chars with uparrow.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2444 Nil means use backslash and octal digits.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2445 An integer means characters >= ctl-arrow are assumed to be printable, and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2446 will be displayed as a single glyph.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2447 Any other value is the same as 160 - the code SPC with the high bit on.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2448
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2449 The interpretation of this variable is likely to change in the future.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2450
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2451 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2452 This variable does not apply to characters whose display is specified
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2453 in the current display table (if there is one).
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2454 */ , redisplay_variable_changed);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2455
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2456 #if 0 /* #### Make this a specifier! */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2457 xxDEFVAR_BUFFER_LOCAL ("display-direction", display_direction /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2458 *Non-nil means lines in the buffer are displayed right to left.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2459 Nil means left to right. (Not yet implemented.)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2460 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2461 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2462
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2463 DEFVAR_BUFFER_LOCAL_MAGIC ("truncate-lines", truncate_lines /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2464 *Non-nil means do not display continuation lines;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2465 give each line of text one frame line.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2466 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2467
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2468 Note that this is overridden by the variable
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2469 `truncate-partial-width-windows' if that variable is non-nil
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2470 and this buffer is not full-frame width.
2
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
2471 */ , redisplay_variable_changed);
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2472
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2473 DEFVAR_BUFFER_LOCAL ("default-directory", directory /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2474 Name of default directory of current buffer. Should end with slash.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2475 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2476 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2477
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2478 DEFVAR_BUFFER_LOCAL ("buffer-file-type", buffer_file_type /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2479 "Non-nil if the visited file is a binary file.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2480 This variable is meaningful on MS-DOG and Windows NT.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2481 On those systems, it is automatically local in every buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2482 On other systems, this variable is normally always nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2483 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2484
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2485 DEFVAR_BUFFER_LOCAL ("auto-fill-function", auto_fill_function /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2486 Function called (if non-nil) to perform auto-fill.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2487 It is called after self-inserting a space at a column beyond `fill-column'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2488 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2489 NOTE: This variable is not an ordinary hook;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2490 It may not be a list of functions.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2491 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2492
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2493 DEFVAR_BUFFER_LOCAL ("buffer-file-name", filename /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2494 Name of file visited in current buffer, or nil if not visiting a file.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2495 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2496 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2497
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2498 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2499 /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2500 Abbreviated truename of file visited in current buffer, or nil if none.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2501 The truename of a file is calculated by `file-truename'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2502 and then abbreviated with `abbreviate-file-name'.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2503 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2504 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2505 #endif /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2506
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2507 DEFVAR_BUFFER_LOCAL ("buffer-file-truename", file_truename /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2508 The real name of the file visited in the current buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2509 or nil if not visiting a file. This is the result of passing
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2510 buffer-file-name to the `file-truename' function. Every buffer has
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2511 its own value of this variable. This variable is automatically
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2512 maintained by the functions that change the file name associated
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2513 with a buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2514 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2515
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2516 DEFVAR_BUFFER_LOCAL ("buffer-auto-save-file-name", auto_save_file_name /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2517 Name of file for auto-saving current buffer,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2518 or nil if buffer should not be auto-saved.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2519 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2520 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2521
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2522 DEFVAR_BUFFER_LOCAL ("buffer-read-only", read_only /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2523 Non-nil if this buffer is read-only.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2524 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2525 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2526
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2527 DEFVAR_BUFFER_LOCAL ("buffer-backed-up", backed_up /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2528 Non-nil if this buffer's file has been backed up.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2529 Backing up is done before the first time the file is saved.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2530 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2531 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2532
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2533 DEFVAR_BUFFER_LOCAL ("buffer-saved-size", save_length /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2534 Length of current buffer when last read in, saved or auto-saved.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2535 0 initially.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2536 Each buffer has its own value of this variable.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2537 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2538
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2539 DEFVAR_BUFFER_LOCAL_MAGIC ("selective-display", selective_display /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2540 Non-nil enables selective display:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2541 Integer N as value means display only lines
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2542 that start with less than n columns of space.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2543 A value of t means, after a ^M, all the rest of the line is invisible.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2544 Then ^M's in the file are written into files as newlines.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2545
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2546 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2547 */, redisplay_variable_changed);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2548
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2549 #ifndef old
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2550 DEFVAR_BUFFER_LOCAL_MAGIC ("selective-display-ellipses",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2551 selective_display_ellipses /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2552 t means display ... on previous line when a line is invisible.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2553 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2554 */, redisplay_variable_changed);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2555 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2556
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2557 DEFVAR_BUFFER_LOCAL ("local-abbrev-table", abbrev_table /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2558 Local (mode-specific) abbrev table of current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2559 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2560
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2561 DEFVAR_BUFFER_LOCAL ("overwrite-mode", overwrite_mode /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2562 Non-nil if self-insertion should replace existing text.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2563 The value should be one of `overwrite-mode-textual',
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2564 `overwrite-mode-binary', or nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2565 If it is `overwrite-mode-textual', self-insertion still
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2566 inserts at the end of a line, and inserts when point is before a tab,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2567 until the tab is filled in.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2568 If `overwrite-mode-binary', self-insertion replaces newlines and tabs too.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2569 Automatically becomes buffer-local when set in any fashion.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2570 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2571
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2572 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2573 /* Adds the following to the doc string for buffer-undo-list:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2574
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2575 An entry (nil PROPERTY VALUE BEG . END) indicates that a text property
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2576 was modified between BEG and END. PROPERTY is the property name,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2577 and VALUE is the old value.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2578 */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2579 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2580
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2581 DEFVAR_BUFFER_LOCAL ("buffer-undo-list", undo_list /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2582 List of undo entries in current buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2583 Recent changes come first; older changes follow newer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2584
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2585 An entry (BEG . END) represents an insertion which begins at
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2586 position BEG and ends at position END.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2587
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2588 An entry (TEXT . POSITION) represents the deletion of the string TEXT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2589 from (abs POSITION). If POSITION is positive, point was at the front
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2590 of the text being deleted; if negative, point was at the end.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2591
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2592 An entry (t HIGH . LOW) indicates that the buffer previously had
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2593 \"unmodified\" status. HIGH and LOW are the high and low 16-bit portions
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2594 of the visited file's modification time, as of that time. If the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2595 modification time of the most recent save is different, this entry is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2596 obsolete.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2597
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2598 An entry of the form EXTENT indicates that EXTENT was attached in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2599 the buffer. Undoing an entry of this form detaches EXTENT.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2600
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2601 An entry of the form (EXTENT START END) indicates that EXTENT was
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2602 detached from the buffer. Undoing an entry of this form attaches
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2603 EXTENT from START to END.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2604
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2605 An entry of the form POSITION indicates that point was at the buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2606 location given by the integer. Undoing an entry of this form places
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2607 point at POSITION.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2608
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2609 nil marks undo boundaries. The undo command treats the changes
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2610 between two undo boundaries as a single step to be undone.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2611
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2612 If the value of the variable is t, undo information is not recorded.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2613 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2614
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2615 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2616 xxDEFVAR_BUFFER_LOCAL ("mark-active", mark_active /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2617 Non-nil means the mark and region are currently active in this buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2618 Automatically local in all buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2619 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2620 #endif
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2621
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2622 #ifdef REGION_CACHE_NEEDS_WORK
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2623 xxDEFVAR_BUFFER_LOCAL ("cache-long-line-scans", cache_long_line_scans /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2624 Non-nil means that Emacs should use caches to handle long lines more quickly.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2625 This variable is buffer-local, in all buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2626
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2627 Normally, the line-motion functions work by scanning the buffer for
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2628 newlines. Columnar operations (like move-to-column and
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2629 compute-motion) also work by scanning the buffer, summing character
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2630 widths as they go. This works well for ordinary text, but if the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2631 buffer's lines are very long (say, more than 500 characters), these
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2632 motion functions will take longer to execute. Emacs may also take
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2633 longer to update the display.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2634
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2635 If cache-long-line-scans is non-nil, these motion functions cache the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2636 results of their scans, and consult the cache to avoid rescanning
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2637 regions of the buffer until the text is modified. The caches are most
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2638 beneficial when they prevent the most searching---that is, when the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2639 buffer contains long lines and large regions of characters with the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2640 same, fixed screen width.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2641
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2642 When cache-long-line-scans is non-nil, processing short lines will
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2643 become slightly slower (because of the overhead of consulting the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2644 cache), and the caches will use memory roughly proportional to the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2645 number of newlines and characters whose screen width varies.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2646
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2647 The caches require no explicit maintenance; their accuracy is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2648 maintained internally by the Emacs primitives. Enabling or disabling
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2649 the cache should not affect the behavior of any of the motion
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2650 functions; it should only affect their performance.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2651 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2652 #endif /* REGION_CACHE_NEEDS_WORK */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2653
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2654 DEFVAR_BUFFER_LOCAL ("point-before-scroll", point_before_scroll /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2655 Value of point before the last series of scroll operations, or nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2656 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2657
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2658 DEFVAR_BUFFER_LOCAL ("buffer-file-format", file_format /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2659 List of formats to use when saving this buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2660 Formats are defined by `format-alist'. This variable is
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2661 set when a file is visited. Automatically local in all buffers.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2662 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2663
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2664 DEFVAR_BUFFER_LOCAL_MAGIC ("buffer-invisibility-spec", invisibility_spec /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2665 Invisibility spec of this buffer.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2666 The default is t, which means that text is invisible
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2667 if it has (or is covered by an extent with) a non-nil `invisible' property.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2668 If the value is a list, a text character is invisible if its `invisible'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2669 property is an element in that list.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2670 If an element is a cons cell of the form (PROP . ELLIPSIS),
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2671 then characters with property value PROP are invisible,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2672 and they have an ellipsis as well if ELLIPSIS is non-nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2673 Note that the actual characters used for the ellipsis are controllable
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2674 using `invisible-text-glyph', and default to \"...\".
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2675 */, redisplay_variable_changed);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2676
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2677 DEFVAR_CONST_BUFFER_LOCAL ("generated-modeline-string",
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2678 generated_modeline_string /*
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2679 String of characters in this buffer's modeline as of the last redisplay.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2680 Each time the modeline is recomputed, the resulting characters are
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2681 stored in this string, which is resized as necessary. You may not
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2682 set this variable, and modifying this string will not change the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2683 modeline; you have to change `modeline-format' if you want that.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2684
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2685 For each extent in `modeline-format' that is encountered when
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2686 processing the modeline, a corresponding extent is placed in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2687 `generated-modeline-string' and covers the text over which the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2688 extent in `modeline-format' applies. The extent in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2689 `generated-modeline-string' is made a child of the extent in
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2690 `modeline-format', which means that it inherits all properties from
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2691 that extent. Note that the extents in `generated-modeline-string'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2692 are managed automatically. You should not explicitly put any extents
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2693 in `generated-modeline-string'; if you do, they will disappear the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2694 next time the modeline is processed.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2695
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2696 For extents in `modeline-format', the following properties are currently
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2697 handled:
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2698
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2699 `face'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2700 Affects the face of the modeline text. Currently, faces do
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2701 not merge properly; only the most recently encountered face
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2702 is used. This is a bug.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2703
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2704 `keymap'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2705 Affects the disposition of button events over the modeline
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2706 text. Multiple applicable keymaps *are* handled properly,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2707 and `modeline-map' still applies to any events that don't
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2708 have bindings in extent-specific keymaps.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2709
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2710 `help-echo'
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2711 If a string, causes the string to be displayed when the mouse
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2712 moves over the text.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2713 */ );
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2714
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2715 /* Check for DEFVAR_BUFFER_LOCAL without initializing the corresponding
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2716 slot of buffer_local_flags and vice-versa. Must be done after all
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2717 DEFVAR_BUFFER_LOCAL() calls. */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2718 #define MARKED_SLOT(slot) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2719 if ((XINT (buffer_local_flags.slot) != -2 && \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2720 XINT (buffer_local_flags.slot) != -3) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2721 != !(NILP (XBUFFER (Vbuffer_local_symbols)->slot))) \
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2722 abort ()
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2723 #include "bufslots.h"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2724 #undef MARKED_SLOT
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2725
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2726 Vprin1_to_string_buffer
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2727 = Fget_buffer_create (Fpurecopy (build_string (" prin1")));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2728 /* Reset Vbuffer_alist again so that the above buf is magically
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2729 invisible */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2730 Vbuffer_alist = Qnil;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2731 /* Want no undo records for prin1_to_string_buffer */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2732 Fbuffer_disable_undo (Vprin1_to_string_buffer);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2733
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2734 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2735 Lisp_Object scratch =
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2736 Fset_buffer (Fget_buffer_create (QSscratch));
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2737 /* Want no undo records for *scratch* until after Emacs is dumped */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2738 Fbuffer_disable_undo (scratch);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2739 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2740 }
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2741
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2742 void
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2743 init_buffer (void)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2744 {
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2745 /* This function can GC */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2746 char buf[MAXPATHLEN+1];
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2747 char *pwd;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2748 struct stat dotstat, pwdstat;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2749 int rc;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2750
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2751 buf[0] = 0;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2752
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2753 Fset_buffer (Fget_buffer_create (QSscratch));
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2754
376386a54a3c Import from CVS: tag r19-14
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diff changeset
2755 /* If PWD is accurate, use it instead of calling getwd. This is faster
376386a54a3c Import from CVS: tag r19-14
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diff changeset
2756 when PWD is right, and may avoid a fatal error. */
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2757 if ((pwd = getenv ("PWD")) != 0 && IS_DIRECTORY_SEP (*pwd)
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2758 && stat (pwd, &pwdstat) == 0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2759 && stat (".", &dotstat) == 0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2760 && dotstat.st_ino == pwdstat.st_ino
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2761 && dotstat.st_dev == pwdstat.st_dev
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2762 && (int) strlen (pwd) < MAXPATHLEN)
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2763 strcpy (buf, pwd);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2764 else if (getwd (buf) == 0)
2
ac2d302a0011 Import from CVS: tag r19-15b2
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parents: 0
diff changeset
2765 fatal ("`getwd' failed: errno %d\n", errno);
0
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2766
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2767 #ifndef VMS
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2768 /* Maybe this should really use some standard subroutine
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2769 whose definition is filename syntax dependent. */
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2770 rc = strlen (buf);
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2771 if (!(IS_DIRECTORY_SEP (buf[rc - 1])))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2772 {
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2773 buf[rc] = DIRECTORY_SEP;
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2774 buf[rc + 1] = '\0';
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2775 }
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2776 #endif /* not VMS */
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2777 current_buffer->directory = build_string (buf);
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2778
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2779 #if 0 /* FSFmacs */
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2780 /* #### is this correct? */
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2781 temp = get_minibuffer (0);
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
2782 XBUFFER (temp)->directory = current_buffer->directory;
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2783 #endif
376386a54a3c Import from CVS: tag r19-14
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parents:
diff changeset
2784 }