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0
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1 /* Specifier implementation
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1995 Sun Microsystems, Inc.
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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: Not in FSF. */
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24
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25 /* Design by Ben Wing;
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26 Original version by Chuck Thompson;
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280
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27 rewritten by Ben Wing;
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28 Magic specifiers by Kirill Katsnelson;
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29 */
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0
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30
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31 #include <config.h>
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32 #include "lisp.h"
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33
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34 #include "buffer.h"
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35 #include "device.h"
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36 #include "frame.h"
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37 #include "opaque.h"
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38 #include "specifier.h"
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39 #include "window.h"
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116
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40 #include "glyphs.h" /* for DISP_TABLE_SIZE definition */
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0
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41
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42 Lisp_Object Qspecifierp;
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43 Lisp_Object Qprepend, Qappend, Qremove_tag_set_prepend, Qremove_tag_set_append;
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44 Lisp_Object Qremove_locale, Qremove_locale_type, Qremove_all;
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45 Lisp_Object Qfallback;
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46
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47 /* Qinteger, Qboolean, Qgeneric defined in general.c. */
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48 Lisp_Object Qnatnum;
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49
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50 Lisp_Object Qconsole_type, Qdevice_class;
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51
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276
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52 static Lisp_Object Vuser_defined_tags;
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0
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53
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185
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54 typedef struct specifier_type_entry specifier_type_entry;
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0
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55 struct specifier_type_entry
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56 {
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57 Lisp_Object symbol;
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58 struct specifier_methods *meths;
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59 };
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60
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185
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61 typedef struct
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0
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62 {
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185
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63 Dynarr_declare (specifier_type_entry);
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0
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64 } specifier_type_entry_dynarr;
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65
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66 specifier_type_entry_dynarr *the_specifier_type_entry_dynarr;
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67
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276
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68 static Lisp_Object Vspecifier_type_list;
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69
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70 static Lisp_Object Vcached_specifiers;
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0
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71 /* Do NOT mark through this, or specifiers will never be GC'd. */
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276
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72 static Lisp_Object Vall_specifiers;
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73
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280
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74 static Lisp_Object Vunlock_ghost_specifiers;
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0
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75
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76 /* #### The purpose of this is to check for inheritance loops
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77 in specifiers that can inherit from other specifiers, but it's
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78 not yet implemented.
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79
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70
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80 #### Look into this for 19.14. */
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280
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81 /* static Lisp_Object_dynarr current_specifiers; */
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0
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82
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83 static void recompute_cached_specifier_everywhere (Lisp_Object specifier);
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84
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272
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85 EXFUN (Fspecifier_specs, 4);
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86 EXFUN (Fremove_specifier, 4);
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87
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0
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88
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89 /************************************************************************/
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90 /* Specifier object methods */
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91 /************************************************************************/
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92
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93 /* Remove dead objects from the specified assoc list. */
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94
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95 static Lisp_Object
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96 cleanup_assoc_list (Lisp_Object list)
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97 {
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98 Lisp_Object loop, prev, retval;
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99
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100 loop = retval = list;
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101 prev = Qnil;
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102
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103 while (!NILP (loop))
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104 {
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105 Lisp_Object entry = XCAR (loop);
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106 Lisp_Object key = XCAR (entry);
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107
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108 /* remember, dead windows can become alive again. */
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109 if (!WINDOWP (key) && object_dead_p (key))
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110 {
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111 if (NILP (prev))
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112 {
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113 /* Removing the head. */
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114 retval = XCDR (retval);
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115 }
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116 else
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117 {
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118 Fsetcdr (prev, XCDR (loop));
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119 }
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120 }
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121 else
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122 prev = loop;
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123
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124 loop = XCDR (loop);
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125 }
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126
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127 return retval;
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128 }
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129
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130 /* Remove dead objects from the various lists so that they
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131 don't keep getting marked as long as this specifier exists and
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132 therefore wasting memory. */
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133
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134 void
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135 cleanup_specifiers (void)
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136 {
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137 Lisp_Object rest;
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138
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139 for (rest = Vall_specifiers;
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140 !NILP (rest);
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141 rest = XSPECIFIER (rest)->next_specifier)
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142 {
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173
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143 struct Lisp_Specifier *sp = XSPECIFIER (rest);
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0
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144 /* This effectively changes the specifier specs.
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145 However, there's no need to call
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146 recompute_cached_specifier_everywhere() or the
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147 after-change methods because the only specs we
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148 are removing are for dead objects, and they can
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149 never have any effect on the specifier values:
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150 specifiers can only be instantiated over live
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151 objects, and you can't derive a dead object
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152 from a live one. */
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153 sp->device_specs = cleanup_assoc_list (sp->device_specs);
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154 sp->frame_specs = cleanup_assoc_list (sp->frame_specs);
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155 sp->buffer_specs = cleanup_assoc_list (sp->buffer_specs);
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156 /* windows are handled specially because dead windows
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157 can be resurrected */
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158 }
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159 }
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160
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161 void
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162 kill_specifier_buffer_locals (Lisp_Object buffer)
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163 {
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164 Lisp_Object rest;
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165
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166 for (rest = Vall_specifiers;
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167 !NILP (rest);
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168 rest = XSPECIFIER (rest)->next_specifier)
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169 {
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170 struct Lisp_Specifier *sp = XSPECIFIER (rest);
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171
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172 /* Make sure we're actually going to be changing something.
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173 Fremove_specifier() always calls
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174 recompute_cached_specifier_everywhere() (#### but should
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175 be smarter about this). */
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176 if (!NILP (assq_no_quit (buffer, sp->buffer_specs)))
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177 Fremove_specifier (rest, buffer, Qnil, Qnil);
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178 }
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179 }
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180
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181 static Lisp_Object
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182 mark_specifier (Lisp_Object obj, void (*markobj) (Lisp_Object))
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183 {
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184 struct Lisp_Specifier *specifier = XSPECIFIER (obj);
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185
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186 ((markobj) (specifier->global_specs));
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187 ((markobj) (specifier->device_specs));
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188 ((markobj) (specifier->frame_specs));
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189 ((markobj) (specifier->window_specs));
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190 ((markobj) (specifier->buffer_specs));
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276
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191 ((markobj) (specifier->magic_parent));
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0
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192 ((markobj) (specifier->fallback));
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276
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193 if (!GHOST_SPECIFIER_P (XSPECIFIER (obj)))
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194 MAYBE_SPECMETH (specifier, mark, (obj, markobj));
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0
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195 return Qnil;
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196 }
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197
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198 /* The idea here is that the specifier specs point to locales
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199 (windows, buffers, frames, and devices), and we want to make sure
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200 that the specs disappear automatically when the associated locale
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201 is no longer in use. For all but windows, "no longer in use"
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202 corresponds exactly to when the object is deleted (non-deleted
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203 objects are always held permanently in special lists, and deleted
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204 objects are never on these lists and never reusable). To handle
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205 this, we just have cleanup_specifiers() called periodically
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206 (at the beginning of garbage collection); it removes all dead
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207 objects.
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208
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209 For windows, however, it's trickier because dead objects can be
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210 converted to live ones again if the dead object is in a window
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211 configuration. Therefore, for windows, "no longer in use"
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212 corresponds to when the window object is garbage-collected.
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213 We now use weak lists for this purpose.
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214
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215 */
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216
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217 void
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218 prune_specifiers (int (*obj_marked_p) (Lisp_Object))
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219 {
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220 Lisp_Object rest, prev = Qnil;
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221
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222 for (rest = Vall_specifiers;
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223 !GC_NILP (rest);
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224 rest = XSPECIFIER (rest)->next_specifier)
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225 {
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226 if (! ((*obj_marked_p) (rest)))
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227 {
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276
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228 struct Lisp_Specifier* sp = XSPECIFIER (rest);
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229 /* A bit of assertion that we're removing both parts of the
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230 magic one altogether */
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231 assert (!GC_MAGIC_SPECIFIER_P(sp)
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232 || (GC_BODILY_SPECIFIER_P(sp) && (*obj_marked_p)(sp->fallback))
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233 || (GC_GHOST_SPECIFIER_P(sp) && (*obj_marked_p)(sp->magic_parent)));
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0
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234 /* This specifier is garbage. Remove it from the list. */
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235 if (GC_NILP (prev))
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276
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236 Vall_specifiers = sp->next_specifier;
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0
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237 else
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276
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238 XSPECIFIER (prev)->next_specifier = sp->next_specifier;
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0
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239 }
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276
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240 else
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241 prev = rest;
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0
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242 }
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243 }
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244
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245 static void
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246 print_specifier (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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247 {
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248 struct Lisp_Specifier *sp = XSPECIFIER (obj);
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249 char buf[100];
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250 int count = specpdl_depth ();
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251 Lisp_Object the_specs;
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252
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253 if (print_readably)
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254 error ("printing unreadable object #<%s-specifier 0x%x>",
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255 sp->methods->name, sp->header.uid);
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256
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257 sprintf (buf, "#<%s-specifier global=", sp->methods->name);
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258 write_c_string (buf, printcharfun);
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259 specbind (Qprint_string_length, make_int (100));
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260 specbind (Qprint_length, make_int (5));
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261 the_specs = Fspecifier_specs (obj, Qglobal, Qnil, Qnil);
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262 if (NILP (the_specs))
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263 /* there are no global specs */
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264 write_c_string ("<unspecified>", printcharfun);
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265 else
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266 print_internal (the_specs, printcharfun, 1);
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267 if (!NILP (sp->fallback))
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268 {
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269 write_c_string (" fallback=", printcharfun);
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270 print_internal (sp->fallback, printcharfun, escapeflag);
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271 }
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272 unbind_to (count, Qnil);
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273 sprintf (buf, " 0x%x>", sp->header.uid);
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274 write_c_string (buf, printcharfun);
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275 }
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276
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277 static void
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278 finalize_specifier (void *header, int for_disksave)
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279 {
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280 struct Lisp_Specifier *sp = (struct Lisp_Specifier *) header;
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281 /* don't be snafued by the disksave finalization. */
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276
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282 if (!for_disksave && !GC_GHOST_SPECIFIER_P(sp) && sp->caching)
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0
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283 {
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284 xfree (sp->caching);
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285 sp->caching = 0;
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286 }
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287 }
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288
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289 static int
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290 specifier_equal (Lisp_Object o1, Lisp_Object o2, int depth)
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291 {
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292 struct Lisp_Specifier *s1 = XSPECIFIER (o1);
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293 struct Lisp_Specifier *s2 = XSPECIFIER (o2);
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294 int retval;
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295 Lisp_Object old_inhibit_quit = Vinhibit_quit;
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296
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297 /* This function can be called from within redisplay.
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298 internal_equal can trigger a quit. That leads to Bad Things. */
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299 Vinhibit_quit = Qt;
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300
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301 depth++;
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272
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302 retval =
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303 (s1->methods == s2->methods &&
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304 internal_equal (s1->global_specs, s2->global_specs, depth) &&
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305 internal_equal (s1->device_specs, s2->device_specs, depth) &&
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306 internal_equal (s1->frame_specs, s2->frame_specs, depth) &&
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307 internal_equal (s1->window_specs, s2->window_specs, depth) &&
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280
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308 internal_equal (s1->buffer_specs, s2->buffer_specs, depth) &&
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309 internal_equal (s1->fallback, s2->fallback, depth));
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272
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310
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311 if (retval && HAS_SPECMETH_P (s1, equal))
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312 retval = SPECMETH (s1, equal, (o1, o2, depth - 1));
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0
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313
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314 Vinhibit_quit = old_inhibit_quit;
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315 return retval;
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316 }
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317
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318 static unsigned long
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319 specifier_hash (Lisp_Object obj, int depth)
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320 {
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321 struct Lisp_Specifier *s = XSPECIFIER (obj);
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322
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323 /* specifier hashing is a bit problematic because there are so
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324 many places where data can be stored. We pick what are perhaps
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325 the most likely places where interesting stuff will be. */
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272
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326 return HASH5 ((HAS_SPECMETH_P (s, hash) ?
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327 SPECMETH (s, hash, (obj, depth)) : 0),
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0
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328 (unsigned long) s->methods,
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329 internal_hash (s->global_specs, depth + 1),
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272
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330 internal_hash (s->frame_specs, depth + 1),
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0
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331 internal_hash (s->buffer_specs, depth + 1));
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332 }
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333
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272
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334 static size_t
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0
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335 sizeof_specifier (CONST void *header)
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336 {
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276
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337 if (GHOST_SPECIFIER_P ((struct Lisp_Specifier *) header))
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338 return sizeof (struct Lisp_Specifier);
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339 else
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340 {
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341 CONST struct Lisp_Specifier *p = (CONST struct Lisp_Specifier *) header;
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342 return sizeof (*p) + p->methods->extra_data_size - 1;
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343 }
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0
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344 }
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345
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272
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346 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("specifier", specifier,
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347 mark_specifier, print_specifier,
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348 finalize_specifier,
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349 specifier_equal, specifier_hash,
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350 sizeof_specifier,
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351 struct Lisp_Specifier);
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0
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352
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353 /************************************************************************/
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354 /* Creating specifiers */
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355 /************************************************************************/
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356
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357 static struct specifier_methods *
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358 decode_specifier_type (Lisp_Object type, Error_behavior errb)
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359 {
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360 int i;
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361
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362 for (i = 0; i < Dynarr_length (the_specifier_type_entry_dynarr); i++)
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363 {
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364 if (EQ (type, Dynarr_at (the_specifier_type_entry_dynarr, i).symbol))
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365 return Dynarr_at (the_specifier_type_entry_dynarr, i).meths;
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366 }
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367
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368 maybe_signal_simple_error ("Invalid specifier type", type,
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369 Qspecifier, errb);
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370
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371 return 0;
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372 }
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373
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374 static int
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375 valid_specifier_type_p (Lisp_Object type)
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376 {
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272
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377 return decode_specifier_type (type, ERROR_ME_NOT) != 0;
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0
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378 }
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379
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20
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380 DEFUN ("valid-specifier-type-p", Fvalid_specifier_type_p, 1, 1, 0, /*
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0
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381 Given a SPECIFIER-TYPE, return non-nil if it is valid.
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382 Valid types are 'generic, 'integer, boolean, 'color, 'font, 'image,
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383 'face-boolean, and 'toolbar.
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20
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384 */
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385 (specifier_type))
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0
|
386 {
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272
|
387 return valid_specifier_type_p (specifier_type) ? Qt : Qnil;
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|
0
|
388 }
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|
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389
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20
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390 DEFUN ("specifier-type-list", Fspecifier_type_list, 0, 0, 0, /*
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|
0
|
391 Return a list of valid specifier types.
|
|
20
|
392 */
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|
|
393 ())
|
|
0
|
394 {
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|
|
395 return Fcopy_sequence (Vspecifier_type_list);
|
|
|
396 }
|
|
|
397
|
|
|
398 void
|
|
|
399 add_entry_to_specifier_type_list (Lisp_Object symbol,
|
|
|
400 struct specifier_methods *meths)
|
|
|
401 {
|
|
|
402 struct specifier_type_entry entry;
|
|
|
403
|
|
|
404 entry.symbol = symbol;
|
|
|
405 entry.meths = meths;
|
|
|
406 Dynarr_add (the_specifier_type_entry_dynarr, entry);
|
|
|
407 Vspecifier_type_list = Fcons (symbol, Vspecifier_type_list);
|
|
|
408 }
|
|
|
409
|
|
|
410 static Lisp_Object
|
|
276
|
411 make_specifier_internal (struct specifier_methods *spec_meths,
|
|
|
412 size_t data_size, int call_create_meth)
|
|
0
|
413 {
|
|
272
|
414 Lisp_Object specifier;
|
|
185
|
415 struct Lisp_Specifier *sp = (struct Lisp_Specifier *)
|
|
|
416 alloc_lcrecord (sizeof (struct Lisp_Specifier) +
|
|
276
|
417 data_size - 1, lrecord_specifier);
|
|
0
|
418
|
|
|
419 sp->methods = spec_meths;
|
|
|
420 sp->global_specs = Qnil;
|
|
|
421 sp->device_specs = Qnil;
|
|
|
422 sp->frame_specs = Qnil;
|
|
|
423 sp->window_specs = make_weak_list (WEAK_LIST_KEY_ASSOC);
|
|
|
424 sp->buffer_specs = Qnil;
|
|
|
425 sp->fallback = Qnil;
|
|
276
|
426 sp->magic_parent = Qnil;
|
|
0
|
427 sp->caching = 0;
|
|
|
428 sp->next_specifier = Vall_specifiers;
|
|
|
429
|
|
|
430 XSETSPECIFIER (specifier, sp);
|
|
|
431 Vall_specifiers = specifier;
|
|
|
432
|
|
276
|
433 if (call_create_meth)
|
|
|
434 {
|
|
|
435 struct gcpro gcpro1;
|
|
|
436 GCPRO1 (specifier);
|
|
|
437 MAYBE_SPECMETH (XSPECIFIER (specifier), create, (specifier));
|
|
|
438 UNGCPRO;
|
|
|
439 }
|
|
|
440 return specifier;
|
|
|
441 }
|
|
|
442
|
|
|
443 static Lisp_Object
|
|
|
444 make_specifier (struct specifier_methods *meths)
|
|
|
445 {
|
|
|
446 return make_specifier_internal (meths, meths->extra_data_size, 1);
|
|
|
447 }
|
|
|
448
|
|
|
449 Lisp_Object
|
|
|
450 make_magic_specifier (Lisp_Object type)
|
|
|
451 {
|
|
|
452 /* This function can GC */
|
|
|
453 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
454 Lisp_Object bodily, ghost;
|
|
|
455 struct gcpro gcpro1;
|
|
|
456
|
|
|
457 bodily = make_specifier (meths);
|
|
|
458 GCPRO1 (bodily);
|
|
|
459 ghost = make_specifier_internal (meths, 0, 0);
|
|
0
|
460 UNGCPRO;
|
|
276
|
461
|
|
|
462 /* Connect guys together */
|
|
|
463 XSPECIFIER(bodily)->magic_parent = Qt;
|
|
|
464 XSPECIFIER(bodily)->fallback = ghost;
|
|
|
465 XSPECIFIER(ghost)->magic_parent = bodily;
|
|
|
466
|
|
|
467 return bodily;
|
|
0
|
468 }
|
|
|
469
|
|
20
|
470 DEFUN ("make-specifier", Fmake_specifier, 1, 1, 0, /*
|
|
272
|
471 Return a new specifier object of type TYPE.
|
|
0
|
472
|
|
|
473 A specifier is an object that can be used to keep track of a property
|
|
|
474 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
|
475 and can further be restricted to a particular console-type or device-class.
|
|
|
476 Specifiers are used, for example, for the various built-in properties of a
|
|
|
477 face; this allows a face to have different values in different frames,
|
|
|
478 buffers, etc. For more information, see `specifier-instance',
|
|
|
479 `specifier-specs', and `add-spec-to-specifier'; or, for a detailed
|
|
|
480 description of specifiers, including how they are instantiated over a
|
|
|
481 particular domain (i.e. how their value in that domain is determined),
|
|
|
482 see the chapter on specifiers in the XEmacs Lisp Reference Manual.
|
|
|
483
|
|
|
484 TYPE specifies the particular type of specifier, and should be one of
|
|
|
485 the symbols 'generic, 'integer, 'boolean, 'color, 'font, 'image,
|
|
|
486 'face-boolean, or 'toolbar.
|
|
|
487
|
|
|
488 For more information on particular types of specifiers, see the functions
|
|
|
489 `generic-specifier-p', `integer-specifier-p', `boolean-specifier-p',
|
|
|
490 `color-specifier-p', `font-specifier-p', `image-specifier-p',
|
|
|
491 `face-boolean-specifier-p', and `toolbar-specifier-p'.
|
|
20
|
492 */
|
|
|
493 (type))
|
|
0
|
494 {
|
|
|
495 /* This function can GC */
|
|
|
496 struct specifier_methods *meths = decode_specifier_type (type,
|
|
|
497 ERROR_ME);
|
|
|
498
|
|
|
499 return make_specifier (meths);
|
|
|
500 }
|
|
|
501
|
|
20
|
502 DEFUN ("specifierp", Fspecifierp, 1, 1, 0, /*
|
|
272
|
503 Return t if OBJECT is a specifier.
|
|
0
|
504
|
|
|
505 A specifier is an object that can be used to keep track of a property
|
|
|
506 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
|
507 and can further be restricted to a particular console-type or device-class.
|
|
|
508 See `make-specifier'.
|
|
20
|
509 */
|
|
|
510 (object))
|
|
0
|
511 {
|
|
272
|
512 return SPECIFIERP (object) ? Qt : Qnil;
|
|
0
|
513 }
|
|
|
514
|
|
20
|
515 DEFUN ("specifier-type", Fspecifier_type, 1, 1, 0, /*
|
|
0
|
516 Return the type of SPECIFIER.
|
|
20
|
517 */
|
|
|
518 (specifier))
|
|
0
|
519 {
|
|
|
520 CHECK_SPECIFIER (specifier);
|
|
|
521 return intern (XSPECIFIER (specifier)->methods->name);
|
|
|
522 }
|
|
|
523
|
|
|
524
|
|
|
525 /************************************************************************/
|
|
|
526 /* Locales and domains */
|
|
|
527 /************************************************************************/
|
|
|
528
|
|
20
|
529 DEFUN ("valid-specifier-locale-p", Fvalid_specifier_locale_p, 1, 1, 0, /*
|
|
272
|
530 Return t if LOCALE is a valid specifier locale.
|
|
|
531 Valid locales are devices, frames, windows, buffers, and 'global.
|
|
|
532 \(nil is not valid.)
|
|
20
|
533 */
|
|
|
534 (locale))
|
|
0
|
535 {
|
|
|
536 /* This cannot GC. */
|
|
272
|
537 return ((DEVICEP (locale) && DEVICE_LIVE_P (XDEVICE (locale))) ||
|
|
|
538 (FRAMEP (locale) && FRAME_LIVE_P (XFRAME (locale))) ||
|
|
|
539 (BUFFERP (locale) && BUFFER_LIVE_P (XBUFFER (locale))) ||
|
|
|
540 /* dead windows are allowed because they may become live
|
|
|
541 windows again when a window configuration is restored */
|
|
|
542 WINDOWP (locale) ||
|
|
|
543 EQ (locale, Qglobal))
|
|
|
544 ? Qt : Qnil;
|
|
0
|
545 }
|
|
|
546
|
|
20
|
547 DEFUN ("valid-specifier-domain-p", Fvalid_specifier_domain_p, 1, 1, 0, /*
|
|
272
|
548 Return t if DOMAIN is a valid specifier domain.
|
|
0
|
549 A domain is used to instance a specifier (i.e. determine the specifier's
|
|
272
|
550 value in that domain). Valid domains are windows, frames, and devices.
|
|
|
551 \(nil is not valid.)
|
|
20
|
552 */
|
|
70
|
553 (domain))
|
|
0
|
554 {
|
|
|
555 /* This cannot GC. */
|
|
272
|
556 return ((DEVICEP (domain) && DEVICE_LIVE_P (XDEVICE (domain))) ||
|
|
|
557 (FRAMEP (domain) && FRAME_LIVE_P (XFRAME (domain))) ||
|
|
|
558 (WINDOWP (domain) && WINDOW_LIVE_P (XWINDOW (domain))))
|
|
|
559 ? Qt : Qnil;
|
|
0
|
560 }
|
|
|
561
|
|
20
|
562 DEFUN ("valid-specifier-locale-type-p", Fvalid_specifier_locale_type_p, 1, 1, 0, /*
|
|
0
|
563 Given a specifier LOCALE-TYPE, return non-nil if it is valid.
|
|
|
564 Valid locale types are 'global, 'device, 'frame, 'window, and 'buffer.
|
|
272
|
565 \(Note, however, that in functions that accept either a locale or a locale
|
|
0
|
566 type, 'global is considered an individual locale.)
|
|
20
|
567 */
|
|
70
|
568 (locale_type))
|
|
0
|
569 {
|
|
|
570 /* This cannot GC. */
|
|
272
|
571 return (EQ (locale_type, Qglobal) ||
|
|
|
572 EQ (locale_type, Qdevice) ||
|
|
|
573 EQ (locale_type, Qframe) ||
|
|
|
574 EQ (locale_type, Qwindow) ||
|
|
|
575 EQ (locale_type, Qbuffer)) ? Qt : Qnil;
|
|
0
|
576 }
|
|
|
577
|
|
|
578 static void
|
|
|
579 check_valid_locale_or_locale_type (Lisp_Object locale)
|
|
|
580 {
|
|
|
581 /* This cannot GC. */
|
|
|
582 if (EQ (locale, Qall) ||
|
|
|
583 !NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
584 !NILP (Fvalid_specifier_locale_type_p (locale)))
|
|
|
585 return;
|
|
|
586 signal_simple_error ("Invalid specifier locale or locale type", locale);
|
|
|
587 }
|
|
|
588
|
|
280
|
589 DEFUN ("specifier-locale-type-from-locale", Fspecifier_locale_type_from_locale,
|
|
|
590 1, 1, 0, /*
|
|
0
|
591 Given a specifier LOCALE, return its type.
|
|
20
|
592 */
|
|
|
593 (locale))
|
|
0
|
594 {
|
|
|
595 /* This cannot GC. */
|
|
|
596 if (NILP (Fvalid_specifier_locale_p (locale)))
|
|
|
597 signal_simple_error ("Invalid specifier locale", locale);
|
|
272
|
598 if (DEVICEP (locale)) return Qdevice;
|
|
|
599 if (FRAMEP (locale)) return Qframe;
|
|
|
600 if (WINDOWP (locale)) return Qwindow;
|
|
|
601 if (BUFFERP (locale)) return Qbuffer;
|
|
0
|
602 assert (EQ (locale, Qglobal));
|
|
|
603 return Qglobal;
|
|
|
604 }
|
|
|
605
|
|
272
|
606 static Lisp_Object
|
|
0
|
607 decode_locale (Lisp_Object locale)
|
|
|
608 {
|
|
|
609 /* This cannot GC. */
|
|
|
610 if (NILP (locale))
|
|
|
611 return Qglobal;
|
|
|
612 else if (!NILP (Fvalid_specifier_locale_p (locale)))
|
|
|
613 return locale;
|
|
|
614 else
|
|
|
615 signal_simple_error ("Invalid specifier locale", locale);
|
|
|
616
|
|
|
617 return Qnil;
|
|
|
618 }
|
|
|
619
|
|
|
620 static enum spec_locale_type
|
|
|
621 decode_locale_type (Lisp_Object locale_type)
|
|
|
622 {
|
|
|
623 /* This cannot GC. */
|
|
2
|
624 if (EQ (locale_type, Qglobal)) return LOCALE_GLOBAL;
|
|
|
625 if (EQ (locale_type, Qdevice)) return LOCALE_DEVICE;
|
|
|
626 if (EQ (locale_type, Qframe)) return LOCALE_FRAME;
|
|
|
627 if (EQ (locale_type, Qwindow)) return LOCALE_WINDOW;
|
|
|
628 if (EQ (locale_type, Qbuffer)) return LOCALE_BUFFER;
|
|
173
|
629
|
|
0
|
630 signal_simple_error ("Invalid specifier locale type", locale_type);
|
|
2
|
631 return LOCALE_GLOBAL; /* not reached */
|
|
0
|
632 }
|
|
|
633
|
|
|
634 Lisp_Object
|
|
|
635 decode_locale_list (Lisp_Object locale)
|
|
|
636 {
|
|
|
637 /* This cannot GC. */
|
|
|
638 /* The return value of this function must be GCPRO'd. */
|
|
|
639 if (NILP (locale))
|
|
|
640 locale = list1 (Qall);
|
|
|
641 else
|
|
|
642 {
|
|
|
643 Lisp_Object rest;
|
|
|
644 if (!CONSP (locale))
|
|
|
645 locale = list1 (locale);
|
|
|
646 EXTERNAL_LIST_LOOP (rest, locale)
|
|
|
647 check_valid_locale_or_locale_type (XCAR (rest));
|
|
|
648 }
|
|
|
649 return locale;
|
|
|
650 }
|
|
|
651
|
|
|
652 static enum spec_locale_type
|
|
|
653 locale_type_from_locale (Lisp_Object locale)
|
|
|
654 {
|
|
|
655 return decode_locale_type (Fspecifier_locale_type_from_locale (locale));
|
|
|
656 }
|
|
|
657
|
|
|
658 static void
|
|
|
659 check_valid_domain (Lisp_Object domain)
|
|
|
660 {
|
|
|
661 if (NILP (Fvalid_specifier_domain_p (domain)))
|
|
|
662 signal_simple_error ("Invalid specifier domain", domain);
|
|
|
663 }
|
|
|
664
|
|
272
|
665 static Lisp_Object
|
|
0
|
666 decode_domain (Lisp_Object domain)
|
|
|
667 {
|
|
|
668 if (NILP (domain))
|
|
|
669 return Fselected_window (Qnil);
|
|
|
670 check_valid_domain (domain);
|
|
|
671 return domain;
|
|
|
672 }
|
|
|
673
|
|
|
674
|
|
|
675 /************************************************************************/
|
|
|
676 /* Tags */
|
|
|
677 /************************************************************************/
|
|
|
678
|
|
20
|
679 DEFUN ("valid-specifier-tag-p", Fvalid_specifier_tag_p, 1, 1, 0, /*
|
|
0
|
680 Return non-nil if TAG is a valid specifier tag.
|
|
|
681 See also `valid-specifier-tag-set-p'.
|
|
20
|
682 */
|
|
|
683 (tag))
|
|
0
|
684 {
|
|
272
|
685 return (valid_console_type_p (tag) ||
|
|
|
686 valid_device_class_p (tag) ||
|
|
|
687 !NILP (assq_no_quit (tag, Vuser_defined_tags))) ? Qt : Qnil;
|
|
0
|
688 }
|
|
|
689
|
|
20
|
690 DEFUN ("valid-specifier-tag-set-p", Fvalid_specifier_tag_set_p, 1, 1, 0, /*
|
|
0
|
691 Return non-nil if TAG-SET is a valid specifier tag set.
|
|
|
692
|
|
|
693 A specifier tag set is an entity that is attached to an instantiator
|
|
|
694 and can be used to restrict the scope of that instantiator to a
|
|
|
695 particular device class or device type and/or to mark instantiators
|
|
|
696 added by a particular package so that they can be later removed.
|
|
|
697
|
|
|
698 A specifier tag set consists of a list of zero of more specifier tags,
|
|
|
699 each of which is a symbol that is recognized by XEmacs as a tag.
|
|
272
|
700 \(The valid device types and device classes are always tags, as are
|
|
185
|
701 any tags defined by `define-specifier-tag'.) It is called a "tag set"
|
|
272
|
702 \(as opposed to a list) because the order of the tags or the number of
|
|
0
|
703 times a particular tag occurs does not matter.
|
|
|
704
|
|
|
705 Each tag has a predicate associated with it, which specifies whether
|
|
|
706 that tag applies to a particular device. The tags which are device types
|
|
|
707 and classes match devices of that type or class. User-defined tags can
|
|
|
708 have any predicate, or none (meaning that all devices match). When
|
|
|
709 attempting to instance a specifier, a particular instantiator is only
|
|
|
710 considered if the device of the domain being instanced over matches
|
|
|
711 all tags in the tag set attached to that instantiator.
|
|
|
712
|
|
|
713 Most of the time, a tag set is not specified, and the instantiator
|
|
|
714 gets a null tag set, which matches all devices.
|
|
20
|
715 */
|
|
70
|
716 (tag_set))
|
|
0
|
717 {
|
|
|
718 Lisp_Object rest;
|
|
|
719
|
|
|
720 for (rest = tag_set; !NILP (rest); rest = XCDR (rest))
|
|
|
721 {
|
|
|
722 if (!CONSP (rest))
|
|
|
723 return Qnil;
|
|
|
724 if (NILP (Fvalid_specifier_tag_p (XCAR (rest))))
|
|
|
725 return Qnil;
|
|
|
726 QUIT;
|
|
|
727 }
|
|
|
728 return Qt;
|
|
|
729 }
|
|
|
730
|
|
|
731 Lisp_Object
|
|
|
732 decode_specifier_tag_set (Lisp_Object tag_set)
|
|
|
733 {
|
|
|
734 /* The return value of this function must be GCPRO'd. */
|
|
|
735 if (!NILP (Fvalid_specifier_tag_p (tag_set)))
|
|
|
736 return list1 (tag_set);
|
|
|
737 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
|
738 signal_simple_error ("Invalid specifier tag-set", tag_set);
|
|
|
739 return tag_set;
|
|
|
740 }
|
|
|
741
|
|
|
742 static Lisp_Object
|
|
|
743 canonicalize_tag_set (Lisp_Object tag_set)
|
|
|
744 {
|
|
|
745 int len = XINT (Flength (tag_set));
|
|
|
746 Lisp_Object *tags, rest;
|
|
|
747 int i, j;
|
|
|
748
|
|
|
749 /* We assume in this function that the tag_set has already been
|
|
|
750 validated, so there are no surprises. */
|
|
|
751
|
|
|
752 if (len == 0 || len == 1)
|
|
|
753 /* most common case */
|
|
|
754 return tag_set;
|
|
|
755
|
|
185
|
756 tags = alloca_array (Lisp_Object, len);
|
|
0
|
757
|
|
|
758 i = 0;
|
|
|
759 LIST_LOOP (rest, tag_set)
|
|
|
760 tags[i++] = XCAR (rest);
|
|
173
|
761
|
|
0
|
762 /* Sort the list of tags. We use a bubble sort here (copied from
|
|
|
763 extent_fragment_update()) -- reduces the function call overhead,
|
|
|
764 and is the fastest sort for small numbers of items. */
|
|
|
765
|
|
|
766 for (i = 1; i < len; i++)
|
|
|
767 {
|
|
|
768 j = i - 1;
|
|
|
769 while (j >= 0 &&
|
|
|
770 strcmp ((char *) string_data (XSYMBOL (tags[j])->name),
|
|
|
771 (char *) string_data (XSYMBOL (tags[j+1])->name)) > 0)
|
|
|
772 {
|
|
|
773 Lisp_Object tmp = tags[j];
|
|
|
774 tags[j] = tags[j+1];
|
|
|
775 tags[j+1] = tmp;
|
|
|
776 j--;
|
|
|
777 }
|
|
|
778 }
|
|
|
779
|
|
|
780 /* Now eliminate duplicates. */
|
|
|
781
|
|
|
782 for (i = 1, j = 1; i < len; i++)
|
|
|
783 {
|
|
|
784 /* j holds the destination, i the source. */
|
|
|
785 if (!EQ (tags[i], tags[i-1]))
|
|
|
786 tags[j++] = tags[i];
|
|
|
787 }
|
|
|
788
|
|
|
789 return Flist (j, tags);
|
|
|
790 }
|
|
|
791
|
|
20
|
792 DEFUN ("canonicalize-tag-set", Fcanonicalize_tag_set, 1, 1, 0, /*
|
|
0
|
793 Canonicalize the given tag set.
|
|
|
794 Two canonicalized tag sets can be compared with `equal' to see if they
|
|
|
795 represent the same tag set. (Specifically, canonicalizing involves
|
|
|
796 sorting by symbol name and removing duplicates.)
|
|
20
|
797 */
|
|
|
798 (tag_set))
|
|
0
|
799 {
|
|
|
800 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
|
801 signal_simple_error ("Invalid tag set", tag_set);
|
|
|
802 return canonicalize_tag_set (tag_set);
|
|
|
803 }
|
|
|
804
|
|
|
805 static int
|
|
|
806 device_matches_specifier_tag_set_p (Lisp_Object device, Lisp_Object tag_set)
|
|
|
807 {
|
|
|
808 Lisp_Object devtype, devclass, rest;
|
|
|
809 struct device *d = XDEVICE (device);
|
|
|
810
|
|
|
811 devtype = DEVICE_TYPE (d);
|
|
|
812 devclass = DEVICE_CLASS (d);
|
|
|
813
|
|
|
814 LIST_LOOP (rest, tag_set)
|
|
|
815 {
|
|
|
816 Lisp_Object tag = XCAR (rest);
|
|
|
817 Lisp_Object assoc;
|
|
|
818
|
|
|
819 if (EQ (tag, devtype) || EQ (tag, devclass))
|
|
|
820 continue;
|
|
|
821 assoc = assq_no_quit (tag, DEVICE_USER_DEFINED_TAGS (d));
|
|
|
822 /* other built-in tags (device types/classes) are not in
|
|
|
823 the user-defined-tags list. */
|
|
|
824 if (NILP (assoc) || NILP (XCDR (assoc)))
|
|
|
825 return 0;
|
|
|
826 }
|
|
|
827
|
|
|
828 return 1;
|
|
|
829 }
|
|
|
830
|
|
20
|
831 DEFUN ("device-matches-specifier-tag-set-p", Fdevice_matches_specifier_tag_set_p, 2, 2, 0, /*
|
|
0
|
832 Return non-nil if DEVICE matches specifier tag set TAG-SET.
|
|
|
833 This means that DEVICE matches each tag in the tag set. (Every
|
|
|
834 tag recognized by XEmacs has a predicate associated with it that
|
|
|
835 specifies which devices match it.)
|
|
20
|
836 */
|
|
|
837 (device, tag_set))
|
|
0
|
838 {
|
|
|
839 CHECK_LIVE_DEVICE (device);
|
|
|
840
|
|
|
841 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
|
842 signal_simple_error ("Invalid tag set", tag_set);
|
|
|
843
|
|
|
844 return device_matches_specifier_tag_set_p (device, tag_set) ? Qt : Qnil;
|
|
|
845 }
|
|
|
846
|
|
20
|
847 DEFUN ("define-specifier-tag", Fdefine_specifier_tag, 1, 2, 0, /*
|
|
0
|
848 Define a new specifier tag.
|
|
|
849 If PREDICATE is specified, it should be a function of one argument
|
|
272
|
850 \(a device) that specifies whether the tag matches that particular
|
|
0
|
851 device. If PREDICATE is omitted, the tag matches all devices.
|
|
|
852
|
|
|
853 You can redefine an existing user-defined specifier tag. However,
|
|
|
854 you cannot redefine the built-in specifier tags (the device types
|
|
|
855 and classes) or the symbols nil, t, 'all, or 'global.
|
|
20
|
856 */
|
|
|
857 (tag, predicate))
|
|
0
|
858 {
|
|
|
859 Lisp_Object assoc, devcons, concons;
|
|
|
860 int recompute = 0;
|
|
|
861
|
|
|
862 CHECK_SYMBOL (tag);
|
|
|
863 if (valid_device_class_p (tag) ||
|
|
|
864 valid_console_type_p (tag))
|
|
|
865 signal_simple_error ("Cannot redefine built-in specifier tags", tag);
|
|
|
866 /* Try to prevent common instantiators and locales from being
|
|
|
867 redefined, to reduce ambiguity */
|
|
|
868 if (NILP (tag) || EQ (tag, Qt) || EQ (tag, Qall) || EQ (tag, Qglobal))
|
|
|
869 signal_simple_error ("Cannot define nil, t, 'all, or 'global",
|
|
|
870 tag);
|
|
|
871 assoc = assq_no_quit (tag, Vuser_defined_tags);
|
|
|
872 if (NILP (assoc))
|
|
|
873 {
|
|
|
874 recompute = 1;
|
|
|
875 Vuser_defined_tags = Fcons (Fcons (tag, predicate), Vuser_defined_tags);
|
|
|
876 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
877 {
|
|
|
878 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
879 /* Initially set the value to t in case of error
|
|
|
880 in predicate */
|
|
|
881 DEVICE_USER_DEFINED_TAGS (d) =
|
|
|
882 Fcons (Fcons (tag, Qt), DEVICE_USER_DEFINED_TAGS (d));
|
|
|
883 }
|
|
|
884 }
|
|
|
885 else if (!NILP (predicate) && !NILP (XCDR (assoc)))
|
|
|
886 {
|
|
|
887 recompute = 1;
|
|
|
888 XCDR (assoc) = predicate;
|
|
|
889 }
|
|
|
890
|
|
|
891 /* recompute the tag values for all devices. However, in the special
|
|
|
892 case where both the old and new predicates are nil, we know that
|
|
|
893 we don't have to do this. (It's probably common for people to
|
|
|
894 call (define-specifier-tag) more than once on the same tag,
|
|
|
895 and the most common case is where PREDICATE is not specified.) */
|
|
|
896
|
|
|
897 if (recompute)
|
|
|
898 {
|
|
|
899 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
900 {
|
|
|
901 Lisp_Object device = XCAR (devcons);
|
|
|
902 assoc = assq_no_quit (tag,
|
|
|
903 DEVICE_USER_DEFINED_TAGS (XDEVICE (device)));
|
|
|
904 assert (CONSP (assoc));
|
|
|
905 if (NILP (predicate))
|
|
|
906 XCDR (assoc) = Qt;
|
|
|
907 else
|
|
|
908 XCDR (assoc) = !NILP (call1 (predicate, device)) ? Qt : Qnil;
|
|
|
909 }
|
|
|
910 }
|
|
|
911
|
|
|
912 return Qnil;
|
|
|
913 }
|
|
|
914
|
|
|
915 /* Called at device-creation time to initialize the user-defined
|
|
|
916 tag values for the newly-created device. */
|
|
|
917
|
|
|
918 void
|
|
|
919 setup_device_initial_specifier_tags (struct device *d)
|
|
|
920 {
|
|
|
921 Lisp_Object rest, rest2;
|
|
272
|
922 Lisp_Object device;
|
|
0
|
923
|
|
|
924 XSETDEVICE (device, d);
|
|
173
|
925
|
|
0
|
926 DEVICE_USER_DEFINED_TAGS (d) = Fcopy_alist (Vuser_defined_tags);
|
|
|
927
|
|
|
928 /* Now set up the initial values */
|
|
|
929 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
930 XCDR (XCAR (rest)) = Qt;
|
|
|
931
|
|
|
932 for (rest = Vuser_defined_tags, rest2 = DEVICE_USER_DEFINED_TAGS (d);
|
|
|
933 !NILP (rest); rest = XCDR (rest), rest2 = XCDR (rest2))
|
|
|
934 {
|
|
|
935 Lisp_Object predicate = XCDR (XCAR (rest));
|
|
|
936 if (NILP (predicate))
|
|
|
937 XCDR (XCAR (rest2)) = Qt;
|
|
|
938 else
|
|
|
939 XCDR (XCAR (rest2)) = !NILP (call1 (predicate, device)) ? Qt : Qnil;
|
|
|
940 }
|
|
|
941 }
|
|
|
942
|
|
280
|
943 DEFUN ("device-matching-specifier-tag-list", Fdevice_matching_specifier_tag_list,
|
|
|
944 0, 1, 0, /*
|
|
0
|
945 Return a list of all specifier tags matching DEVICE.
|
|
|
946 DEVICE defaults to the selected device if omitted.
|
|
20
|
947 */
|
|
|
948 (device))
|
|
0
|
949 {
|
|
|
950 struct device *d = decode_device (device);
|
|
|
951 Lisp_Object rest, list = Qnil;
|
|
|
952 struct gcpro gcpro1;
|
|
173
|
953
|
|
0
|
954 GCPRO1 (list);
|
|
|
955
|
|
|
956 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
957 {
|
|
|
958 if (!NILP (XCDR (XCAR (rest))))
|
|
|
959 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
960 }
|
|
|
961
|
|
|
962 list = Fnreverse (list);
|
|
|
963 list = Fcons (DEVICE_CLASS (d), list);
|
|
272
|
964 list = Fcons (DEVICE_TYPE (d), list);
|
|
0
|
965
|
|
|
966 RETURN_UNGCPRO (list);
|
|
|
967 }
|
|
|
968
|
|
20
|
969 DEFUN ("specifier-tag-list", Fspecifier_tag_list, 0, 0, 0, /*
|
|
0
|
970 Return a list of all currently-defined specifier tags.
|
|
|
971 This includes the built-in ones (the device types and classes).
|
|
20
|
972 */
|
|
|
973 ())
|
|
0
|
974 {
|
|
|
975 Lisp_Object list = Qnil, rest;
|
|
|
976 struct gcpro gcpro1;
|
|
|
977
|
|
|
978 GCPRO1 (list);
|
|
|
979
|
|
|
980 LIST_LOOP (rest, Vuser_defined_tags)
|
|
|
981 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
982
|
|
|
983 list = Fnreverse (list);
|
|
|
984 list = nconc2 (Fcopy_sequence (Vdevice_class_list), list);
|
|
|
985 list = nconc2 (Fcopy_sequence (Vconsole_type_list), list);
|
|
|
986
|
|
|
987 RETURN_UNGCPRO (list);
|
|
|
988 }
|
|
|
989
|
|
20
|
990 DEFUN ("specifier-tag-predicate", Fspecifier_tag_predicate, 1, 1, 0, /*
|
|
0
|
991 Return the predicate for the given specifier tag.
|
|
20
|
992 */
|
|
|
993 (tag))
|
|
0
|
994 {
|
|
|
995 /* The return value of this function must be GCPRO'd. */
|
|
|
996 CHECK_SYMBOL (tag);
|
|
|
997
|
|
|
998 if (NILP (Fvalid_specifier_tag_p (tag)))
|
|
|
999 signal_simple_error ("Invalid specifier tag", tag);
|
|
|
1000
|
|
|
1001 /* Make up some predicates for the built-in types */
|
|
|
1002
|
|
|
1003 if (valid_console_type_p (tag))
|
|
|
1004 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1005 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1006 list2 (Qconsole_type, Qdevice)));
|
|
173
|
1007
|
|
0
|
1008 if (valid_device_class_p (tag))
|
|
|
1009 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1010 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1011 list2 (Qdevice_class, Qdevice)));
|
|
|
1012
|
|
|
1013 return XCDR (assq_no_quit (tag, Vuser_defined_tags));
|
|
|
1014 }
|
|
|
1015
|
|
|
1016 /* Return true if A "matches" B. If EXACT_P is 0, A must be a subset of B.
|
|
|
1017 Otherwise, A must be `equal' to B. The sets must be canonicalized. */
|
|
|
1018 static int
|
|
|
1019 tag_sets_match_p (Lisp_Object a, Lisp_Object b, int exact_p)
|
|
|
1020 {
|
|
|
1021 if (!exact_p)
|
|
|
1022 {
|
|
|
1023 while (!NILP (a) && !NILP (b))
|
|
|
1024 {
|
|
|
1025 if (EQ (XCAR (a), XCAR (b)))
|
|
|
1026 a = XCDR (a);
|
|
|
1027 b = XCDR (b);
|
|
|
1028 }
|
|
173
|
1029
|
|
0
|
1030 return NILP (a);
|
|
|
1031 }
|
|
|
1032 else
|
|
|
1033 {
|
|
|
1034 while (!NILP (a) && !NILP (b))
|
|
|
1035 {
|
|
|
1036 if (!EQ (XCAR (a), XCAR (b)))
|
|
|
1037 return 0;
|
|
|
1038 a = XCDR (a);
|
|
|
1039 b = XCDR (b);
|
|
|
1040 }
|
|
|
1041
|
|
|
1042 return NILP (a) && NILP (b);
|
|
|
1043 }
|
|
|
1044 }
|
|
|
1045
|
|
|
1046
|
|
|
1047 /************************************************************************/
|
|
|
1048 /* Spec-lists and inst-lists */
|
|
|
1049 /************************************************************************/
|
|
|
1050
|
|
|
1051 static Lisp_Object
|
|
|
1052 call_validate_method (Lisp_Object boxed_method, Lisp_Object instantiator)
|
|
|
1053 {
|
|
|
1054 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (instantiator);
|
|
|
1055 return Qt;
|
|
|
1056 }
|
|
|
1057
|
|
|
1058 static Lisp_Object
|
|
|
1059 check_valid_instantiator (Lisp_Object instantiator,
|
|
|
1060 struct specifier_methods *meths,
|
|
|
1061 Error_behavior errb)
|
|
|
1062 {
|
|
|
1063 if (meths->validate_method)
|
|
|
1064 {
|
|
|
1065 Lisp_Object retval;
|
|
|
1066
|
|
|
1067 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
1068 {
|
|
|
1069 (meths->validate_method) (instantiator);
|
|
|
1070 retval = Qt;
|
|
|
1071 }
|
|
|
1072 else
|
|
|
1073 {
|
|
|
1074 Lisp_Object opaque = make_opaque_ptr ((void *)
|
|
|
1075 meths->validate_method);
|
|
|
1076 struct gcpro gcpro1;
|
|
|
1077
|
|
|
1078 GCPRO1 (opaque);
|
|
74
|
1079 retval = call_with_suspended_errors
|
|
|
1080 ((lisp_fn_t) call_validate_method,
|
|
|
1081 Qnil, Qspecifier, errb, 2, opaque, instantiator);
|
|
173
|
1082
|
|
0
|
1083 free_opaque_ptr (opaque);
|
|
|
1084 UNGCPRO;
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 return retval;
|
|
|
1088 }
|
|
|
1089 return Qt;
|
|
|
1090 }
|
|
|
1091
|
|
20
|
1092 DEFUN ("check-valid-instantiator", Fcheck_valid_instantiator, 2, 2, 0, /*
|
|
0
|
1093 Signal an error if INSTANTIATOR is invalid for SPECIFIER-TYPE.
|
|
20
|
1094 */
|
|
|
1095 (instantiator, specifier_type))
|
|
0
|
1096 {
|
|
|
1097 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1098 ERROR_ME);
|
|
|
1099
|
|
|
1100 return check_valid_instantiator (instantiator, meths, ERROR_ME);
|
|
|
1101 }
|
|
|
1102
|
|
20
|
1103 DEFUN ("valid-instantiator-p", Fvalid_instantiator_p, 2, 2, 0, /*
|
|
0
|
1104 Return non-nil if INSTANTIATOR is valid for SPECIFIER-TYPE.
|
|
20
|
1105 */
|
|
|
1106 (instantiator, specifier_type))
|
|
0
|
1107 {
|
|
|
1108 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1109 ERROR_ME);
|
|
|
1110
|
|
|
1111 return check_valid_instantiator (instantiator, meths, ERROR_ME_NOT);
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 static Lisp_Object
|
|
|
1115 check_valid_inst_list (Lisp_Object inst_list, struct specifier_methods *meths,
|
|
|
1116 Error_behavior errb)
|
|
|
1117 {
|
|
|
1118 Lisp_Object rest;
|
|
|
1119
|
|
|
1120 LIST_LOOP (rest, inst_list)
|
|
|
1121 {
|
|
272
|
1122 Lisp_Object inst_pair, tag_set;
|
|
|
1123
|
|
|
1124 if (!CONSP (rest))
|
|
0
|
1125 {
|
|
|
1126 maybe_signal_simple_error ("Invalid instantiator list", inst_list,
|
|
|
1127 Qspecifier, errb);
|
|
|
1128 return Qnil;
|
|
|
1129 }
|
|
272
|
1130 if (!CONSP (inst_pair = XCAR (rest)))
|
|
0
|
1131 {
|
|
272
|
1132 maybe_signal_simple_error ("Invalid instantiator pair", inst_pair,
|
|
|
1133 Qspecifier, errb);
|
|
0
|
1134 return Qnil;
|
|
|
1135 }
|
|
272
|
1136 if (NILP (Fvalid_specifier_tag_set_p (tag_set = XCAR (inst_pair))))
|
|
|
1137 {
|
|
|
1138 maybe_signal_simple_error ("Invalid specifier tag", tag_set,
|
|
|
1139 Qspecifier, errb);
|
|
|
1140 return Qnil;
|
|
|
1141 }
|
|
|
1142
|
|
|
1143 if (NILP (check_valid_instantiator (XCDR (inst_pair), meths, errb)))
|
|
0
|
1144 return Qnil;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 return Qt;
|
|
|
1148 }
|
|
|
1149
|
|
20
|
1150 DEFUN ("check-valid-inst-list", Fcheck_valid_inst_list, 2, 2, 0, /*
|
|
0
|
1151 Signal an error if INST-LIST is invalid for specifier type TYPE.
|
|
20
|
1152 */
|
|
|
1153 (inst_list, type))
|
|
0
|
1154 {
|
|
|
1155 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1156
|
|
|
1157 return check_valid_inst_list (inst_list, meths, ERROR_ME);
|
|
|
1158 }
|
|
|
1159
|
|
20
|
1160 DEFUN ("valid-inst-list-p", Fvalid_inst_list_p, 2, 2, 0, /*
|
|
0
|
1161 Return non-nil if INST-LIST is valid for specifier type TYPE.
|
|
20
|
1162 */
|
|
|
1163 (inst_list, type))
|
|
0
|
1164 {
|
|
|
1165 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1166
|
|
|
1167 return check_valid_inst_list (inst_list, meths, ERROR_ME_NOT);
|
|
|
1168 }
|
|
|
1169
|
|
|
1170 static Lisp_Object
|
|
|
1171 check_valid_spec_list (Lisp_Object spec_list, struct specifier_methods *meths,
|
|
|
1172 Error_behavior errb)
|
|
|
1173 {
|
|
|
1174 Lisp_Object rest;
|
|
|
1175
|
|
|
1176 LIST_LOOP (rest, spec_list)
|
|
|
1177 {
|
|
272
|
1178 Lisp_Object spec, locale;
|
|
|
1179 if (!CONSP (rest) || !CONSP (spec = XCAR (rest)))
|
|
0
|
1180 {
|
|
|
1181 maybe_signal_simple_error ("Invalid specification list", spec_list,
|
|
|
1182 Qspecifier, errb);
|
|
|
1183 return Qnil;
|
|
|
1184 }
|
|
272
|
1185 if (NILP (Fvalid_specifier_locale_p (locale = XCAR (spec))))
|
|
0
|
1186 {
|
|
272
|
1187 maybe_signal_simple_error ("Invalid specifier locale", locale,
|
|
0
|
1188 Qspecifier, errb);
|
|
|
1189 return Qnil;
|
|
|
1190 }
|
|
|
1191
|
|
272
|
1192 if (NILP (check_valid_inst_list (XCDR (spec), meths, errb)))
|
|
0
|
1193 return Qnil;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 return Qt;
|
|
|
1197 }
|
|
|
1198
|
|
20
|
1199 DEFUN ("check-valid-spec-list", Fcheck_valid_spec_list, 2, 2, 0, /*
|
|
0
|
1200 Signal an error if SPEC-LIST is invalid for specifier type TYPE.
|
|
20
|
1201 */
|
|
|
1202 (spec_list, type))
|
|
0
|
1203 {
|
|
|
1204 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1205
|
|
|
1206 return check_valid_spec_list (spec_list, meths, ERROR_ME);
|
|
|
1207 }
|
|
|
1208
|
|
20
|
1209 DEFUN ("valid-spec-list-p", Fvalid_spec_list_p, 2, 2, 0, /*
|
|
0
|
1210 Return non-nil if SPEC-LIST is valid for specifier type TYPE.
|
|
20
|
1211 */
|
|
|
1212 (spec_list, type))
|
|
0
|
1213 {
|
|
|
1214 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1215
|
|
|
1216 return check_valid_spec_list (spec_list, meths, ERROR_ME_NOT);
|
|
|
1217 }
|
|
|
1218
|
|
|
1219 enum spec_add_meth
|
|
|
1220 decode_how_to_add_specification (Lisp_Object how_to_add)
|
|
|
1221 {
|
|
|
1222 if (NILP (how_to_add) || EQ (Qremove_tag_set_prepend, how_to_add))
|
|
185
|
1223 return SPEC_REMOVE_TAG_SET_PREPEND;
|
|
|
1224 if (EQ (Qremove_tag_set_append, how_to_add))
|
|
|
1225 return SPEC_REMOVE_TAG_SET_APPEND;
|
|
|
1226 if (EQ (Qappend, how_to_add))
|
|
|
1227 return SPEC_APPEND;
|
|
|
1228 if (EQ (Qprepend, how_to_add))
|
|
|
1229 return SPEC_PREPEND;
|
|
|
1230 if (EQ (Qremove_locale, how_to_add))
|
|
|
1231 return SPEC_REMOVE_LOCALE;
|
|
|
1232 if (EQ (Qremove_locale_type, how_to_add))
|
|
|
1233 return SPEC_REMOVE_LOCALE_TYPE;
|
|
|
1234 if (EQ (Qremove_all, how_to_add))
|
|
|
1235 return SPEC_REMOVE_ALL;
|
|
|
1236
|
|
|
1237 signal_simple_error ("Invalid `how-to-add' flag", how_to_add);
|
|
|
1238
|
|
|
1239 return SPEC_PREPEND; /* not reached */
|
|
0
|
1240 }
|
|
|
1241
|
|
280
|
1242 /* Given a specifier object SPEC, return bodily specifier if SPEC is a
|
|
276
|
1243 ghost specifier, otherwise return the object itself
|
|
|
1244 */
|
|
|
1245 static Lisp_Object
|
|
|
1246 bodily_specifier (Lisp_Object spec)
|
|
|
1247 {
|
|
|
1248 return (GHOST_SPECIFIER_P (XSPECIFIER (spec))
|
|
|
1249 ? XSPECIFIER(spec)->magic_parent : spec);
|
|
|
1250 }
|
|
|
1251
|
|
280
|
1252 /* Signal error if (specifier SPEC is read-only.
|
|
|
1253 Read only are ghost specifiers unless Vunlock_ghost_specifiers is
|
|
|
1254 non-nil. All other specifiers are read-write.
|
|
276
|
1255 */
|
|
280
|
1256 static void
|
|
|
1257 check_modifiable_specifier (Lisp_Object spec)
|
|
276
|
1258 {
|
|
280
|
1259 if (NILP (Vunlock_ghost_specifiers)
|
|
|
1260 && GHOST_SPECIFIER_P (XSPECIFIER (spec)))
|
|
|
1261 signal_simple_error ("Attempt to modify read-only specifier",
|
|
|
1262 list1 (spec));
|
|
276
|
1263 }
|
|
|
1264
|
|
|
1265 /* Helper function which unwind protects the value of
|
|
280
|
1266 Vunlock_ghost_specifiers, then sets it to non-nil value */
|
|
276
|
1267 static Lisp_Object
|
|
280
|
1268 restore_unlock_value (Lisp_Object val)
|
|
276
|
1269 {
|
|
280
|
1270 Vunlock_ghost_specifiers = val;
|
|
276
|
1271 return val;
|
|
|
1272 }
|
|
|
1273
|
|
|
1274 int
|
|
280
|
1275 unlock_ghost_specifiers_protected (void)
|
|
276
|
1276 {
|
|
|
1277 int depth = specpdl_depth ();
|
|
280
|
1278 record_unwind_protect (restore_unlock_value,
|
|
|
1279 Vunlock_ghost_specifiers);
|
|
|
1280 Vunlock_ghost_specifiers = Qt;
|
|
276
|
1281 return depth;
|
|
|
1282 }
|
|
|
1283
|
|
0
|
1284 /* This gets hit so much that the function call overhead had a
|
|
|
1285 measurable impact (according to Quantify). #### We should figure
|
|
|
1286 out the frequency with which this is called with the various types
|
|
|
1287 and reorder the check accordingly. */
|
|
185
|
1288 #define SPECIFIER_GET_SPEC_LIST(specifier, type) \
|
|
|
1289 (type == LOCALE_GLOBAL ? &(XSPECIFIER (specifier)->global_specs) : \
|
|
|
1290 type == LOCALE_DEVICE ? &(XSPECIFIER (specifier)->device_specs) : \
|
|
|
1291 type == LOCALE_FRAME ? &(XSPECIFIER (specifier)->frame_specs) : \
|
|
|
1292 type == LOCALE_WINDOW ? &(XWEAK_LIST_LIST \
|
|
|
1293 (XSPECIFIER (specifier)->window_specs)) : \
|
|
|
1294 type == LOCALE_BUFFER ? &(XSPECIFIER (specifier)->buffer_specs) : \
|
|
|
1295 0)
|
|
173
|
1296
|
|
0
|
1297 static Lisp_Object *
|
|
|
1298 specifier_get_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1299 enum spec_locale_type type)
|
|
|
1300 {
|
|
|
1301 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1302 Lisp_Object specification;
|
|
|
1303
|
|
|
1304 if (type == LOCALE_GLOBAL)
|
|
|
1305 return spec_list;
|
|
|
1306 /* Calling assq_no_quit when it is just going to return nil anyhow
|
|
|
1307 is extremely expensive. So sayeth Quantify. */
|
|
|
1308 if (!CONSP (*spec_list))
|
|
|
1309 return 0;
|
|
|
1310 specification = assq_no_quit (locale, *spec_list);
|
|
|
1311 if (NILP (specification))
|
|
|
1312 return 0;
|
|
|
1313 return &XCDR (specification);
|
|
|
1314 }
|
|
|
1315
|
|
|
1316 /* For the given INST_LIST, return a new INST_LIST containing all elements
|
|
|
1317 where TAG-SET matches the element's tag set. EXACT_P indicates whether
|
|
|
1318 the match must be exact (as opposed to a subset). SHORT_P indicates
|
|
|
1319 that the short form (for `specifier-specs') should be returned if
|
|
|
1320 possible. If COPY_TREE_P, `copy-tree' is used to ensure that no
|
|
|
1321 elements of the new list are shared with the initial list.
|
|
|
1322 */
|
|
|
1323
|
|
|
1324 static Lisp_Object
|
|
|
1325 specifier_process_inst_list (Lisp_Object inst_list,
|
|
|
1326 Lisp_Object tag_set, int exact_p,
|
|
|
1327 int short_p, int copy_tree_p)
|
|
|
1328 {
|
|
|
1329 Lisp_Object retval = Qnil;
|
|
|
1330 Lisp_Object rest;
|
|
|
1331 struct gcpro gcpro1;
|
|
|
1332
|
|
|
1333 GCPRO1 (retval);
|
|
|
1334 LIST_LOOP (rest, inst_list)
|
|
|
1335 {
|
|
|
1336 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
1337 Lisp_Object tagged_inst_tag = XCAR (tagged_inst);
|
|
|
1338 if (tag_sets_match_p (tag_set, tagged_inst_tag, exact_p))
|
|
|
1339 {
|
|
|
1340 if (short_p && NILP (tagged_inst_tag))
|
|
|
1341 retval = Fcons (copy_tree_p ?
|
|
|
1342 Fcopy_tree (XCDR (tagged_inst), Qt) :
|
|
|
1343 XCDR (tagged_inst),
|
|
|
1344 retval);
|
|
|
1345 else
|
|
|
1346 retval = Fcons (copy_tree_p ? Fcopy_tree (tagged_inst, Qt) :
|
|
|
1347 tagged_inst, retval);
|
|
|
1348 }
|
|
|
1349 }
|
|
|
1350 retval = Fnreverse (retval);
|
|
|
1351 UNGCPRO;
|
|
|
1352 /* If there is a single instantiator and the short form is
|
|
|
1353 requested, return just the instantiator (rather than a one-element
|
|
|
1354 list of it) unless it is nil (so that it can be distinguished from
|
|
|
1355 no instantiators at all). */
|
|
|
1356 if (short_p && CONSP (retval) && !NILP (XCAR (retval)) &&
|
|
|
1357 NILP (XCDR (retval)))
|
|
|
1358 return XCAR (retval);
|
|
|
1359 else
|
|
|
1360 return retval;
|
|
|
1361 }
|
|
|
1362
|
|
|
1363 static Lisp_Object
|
|
|
1364 specifier_get_external_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1365 enum spec_locale_type type,
|
|
|
1366 Lisp_Object tag_set, int exact_p,
|
|
|
1367 int short_p, int copy_tree_p)
|
|
|
1368 {
|
|
|
1369 Lisp_Object *inst_list = specifier_get_inst_list (specifier, locale,
|
|
|
1370 type);
|
|
|
1371 if (!inst_list || NILP (*inst_list))
|
|
|
1372 {
|
|
|
1373 /* nil for *inst_list should only occur in 'global */
|
|
|
1374 assert (!inst_list || EQ (locale, Qglobal));
|
|
|
1375 return Qnil;
|
|
|
1376 }
|
|
|
1377
|
|
|
1378 return specifier_process_inst_list (*inst_list, tag_set, exact_p,
|
|
|
1379 short_p, copy_tree_p);
|
|
|
1380 }
|
|
|
1381
|
|
|
1382 static Lisp_Object
|
|
|
1383 specifier_get_external_spec_list (Lisp_Object specifier,
|
|
|
1384 enum spec_locale_type type,
|
|
|
1385 Lisp_Object tag_set, int exact_p)
|
|
|
1386 {
|
|
|
1387 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1388 Lisp_Object retval = Qnil;
|
|
|
1389 Lisp_Object rest;
|
|
|
1390 struct gcpro gcpro1;
|
|
|
1391
|
|
|
1392 assert (type != LOCALE_GLOBAL);
|
|
|
1393 /* We're about to let stuff go external; make sure there aren't
|
|
|
1394 any dead objects */
|
|
|
1395 *spec_list = cleanup_assoc_list (*spec_list);
|
|
|
1396
|
|
|
1397 GCPRO1 (retval);
|
|
|
1398 LIST_LOOP (rest, *spec_list)
|
|
|
1399 {
|
|
|
1400 Lisp_Object spec = XCAR (rest);
|
|
|
1401 Lisp_Object inst_list =
|
|
|
1402 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 1);
|
|
|
1403 if (!NILP (inst_list))
|
|
|
1404 retval = Fcons (Fcons (XCAR (spec), inst_list), retval);
|
|
|
1405 }
|
|
|
1406 RETURN_UNGCPRO (Fnreverse (retval));
|
|
|
1407 }
|
|
|
1408
|
|
|
1409 static Lisp_Object *
|
|
|
1410 specifier_new_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1411 enum spec_locale_type type)
|
|
|
1412 {
|
|
|
1413 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1414 Lisp_Object new_spec = Fcons (locale, Qnil);
|
|
|
1415 assert (type != LOCALE_GLOBAL);
|
|
|
1416 *spec_list = Fcons (new_spec, *spec_list);
|
|
|
1417 return &XCDR (new_spec);
|
|
|
1418 }
|
|
|
1419
|
|
|
1420 /* For the given INST_LIST, return a new list comprised of elements
|
|
|
1421 where TAG_SET does not match the element's tag set. This operation
|
|
|
1422 is destructive. */
|
|
|
1423
|
|
|
1424 static Lisp_Object
|
|
|
1425 specifier_process_remove_inst_list (Lisp_Object inst_list,
|
|
|
1426 Lisp_Object tag_set, int exact_p,
|
|
|
1427 int *was_removed)
|
|
|
1428 {
|
|
|
1429 Lisp_Object prev = Qnil, rest;
|
|
|
1430
|
|
|
1431 *was_removed = 0;
|
|
|
1432
|
|
|
1433 LIST_LOOP (rest, inst_list)
|
|
|
1434 {
|
|
|
1435 if (tag_sets_match_p (tag_set, XCAR (XCAR (rest)), exact_p))
|
|
|
1436 {
|
|
|
1437 /* time to remove. */
|
|
|
1438 *was_removed = 1;
|
|
|
1439 if (NILP (prev))
|
|
|
1440 inst_list = XCDR (rest);
|
|
|
1441 else
|
|
|
1442 XCDR (prev) = XCDR (rest);
|
|
|
1443 }
|
|
|
1444 else
|
|
|
1445 prev = rest;
|
|
|
1446 }
|
|
|
1447
|
|
|
1448 return inst_list;
|
|
|
1449 }
|
|
|
1450
|
|
|
1451 static void
|
|
|
1452 specifier_remove_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1453 enum spec_locale_type type,
|
|
|
1454 Lisp_Object tag_set, int exact_p)
|
|
|
1455 {
|
|
|
1456 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1457 Lisp_Object assoc;
|
|
|
1458 int was_removed;
|
|
|
1459
|
|
|
1460 if (type == LOCALE_GLOBAL)
|
|
|
1461 *spec_list = specifier_process_remove_inst_list (*spec_list, tag_set,
|
|
|
1462 exact_p, &was_removed);
|
|
|
1463 else
|
|
|
1464 {
|
|
|
1465 assoc = assq_no_quit (locale, *spec_list);
|
|
|
1466 if (NILP (assoc))
|
|
|
1467 /* this locale is not found. */
|
|
|
1468 return;
|
|
|
1469 XCDR (assoc) = specifier_process_remove_inst_list (XCDR (assoc),
|
|
|
1470 tag_set, exact_p,
|
|
|
1471 &was_removed);
|
|
|
1472 if (NILP (XCDR (assoc)))
|
|
|
1473 /* no inst-pairs left; remove this locale entirely. */
|
|
|
1474 *spec_list = remassq_no_quit (locale, *spec_list);
|
|
|
1475 }
|
|
173
|
1476
|
|
0
|
1477 if (was_removed)
|
|
276
|
1478 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
|
1479 (bodily_specifier (specifier), locale));
|
|
0
|
1480 }
|
|
|
1481
|
|
|
1482 static void
|
|
|
1483 specifier_remove_locale_type (Lisp_Object specifier,
|
|
|
1484 enum spec_locale_type type,
|
|
|
1485 Lisp_Object tag_set, int exact_p)
|
|
|
1486 {
|
|
|
1487 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1488 Lisp_Object prev = Qnil, rest;
|
|
|
1489
|
|
|
1490 assert (type != LOCALE_GLOBAL);
|
|
|
1491 LIST_LOOP (rest, *spec_list)
|
|
|
1492 {
|
|
|
1493 int was_removed;
|
|
|
1494 int remove_spec = 0;
|
|
|
1495 Lisp_Object spec = XCAR (rest);
|
|
173
|
1496
|
|
0
|
1497 /* There may be dead objects floating around */
|
|
|
1498 /* remember, dead windows can become alive again. */
|
|
|
1499 if (!WINDOWP (XCAR (spec)) && object_dead_p (XCAR (spec)))
|
|
|
1500 {
|
|
|
1501 remove_spec = 1;
|
|
|
1502 was_removed = 0;
|
|
|
1503 }
|
|
|
1504 else
|
|
|
1505 {
|
|
|
1506 XCDR (spec) = specifier_process_remove_inst_list (XCDR (spec),
|
|
|
1507 tag_set, exact_p,
|
|
|
1508 &was_removed);
|
|
|
1509 if (NILP (XCDR (spec)))
|
|
|
1510 remove_spec = 1;
|
|
|
1511 }
|
|
|
1512
|
|
|
1513 if (remove_spec)
|
|
|
1514 {
|
|
|
1515 if (NILP (prev))
|
|
|
1516 *spec_list = XCDR (rest);
|
|
|
1517 else
|
|
|
1518 XCDR (prev) = XCDR (rest);
|
|
|
1519 }
|
|
|
1520 else
|
|
|
1521 prev = rest;
|
|
|
1522
|
|
|
1523 if (was_removed)
|
|
|
1524 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
276
|
1525 (bodily_specifier (specifier), XCAR (spec)));
|
|
0
|
1526 }
|
|
|
1527 }
|
|
|
1528
|
|
|
1529 /* NEW_LIST is going to be added to INST_LIST, with add method ADD_METH.
|
|
|
1530 Frob INST_LIST according to ADD_METH. No need to call an after-change
|
|
|
1531 function; the calling function will do this. Return either SPEC_PREPEND
|
|
|
1532 or SPEC_APPEND, indicating whether to prepend or append the NEW_LIST. */
|
|
|
1533
|
|
|
1534 static enum spec_add_meth
|
|
|
1535 handle_multiple_add_insts (Lisp_Object *inst_list,
|
|
|
1536 Lisp_Object new_list,
|
|
|
1537 enum spec_add_meth add_meth)
|
|
|
1538 {
|
|
272
|
1539 switch (add_meth)
|
|
0
|
1540 {
|
|
272
|
1541 case SPEC_REMOVE_TAG_SET_APPEND:
|
|
|
1542 add_meth = SPEC_APPEND;
|
|
|
1543 goto remove_tag_set;
|
|
|
1544 case SPEC_REMOVE_TAG_SET_PREPEND:
|
|
|
1545 add_meth = SPEC_PREPEND;
|
|
|
1546 remove_tag_set:
|
|
|
1547 {
|
|
|
1548 Lisp_Object rest;
|
|
|
1549
|
|
|
1550 LIST_LOOP (rest, new_list)
|
|
|
1551 {
|
|
|
1552 Lisp_Object canontag = canonicalize_tag_set (XCAR (XCAR (rest)));
|
|
|
1553 struct gcpro gcpro1;
|
|
|
1554
|
|
|
1555 GCPRO1 (canontag);
|
|
|
1556 /* pull out all elements from the existing list with the
|
|
|
1557 same tag as any tags in NEW_LIST. */
|
|
|
1558 *inst_list = remassoc_no_quit (canontag, *inst_list);
|
|
|
1559 UNGCPRO;
|
|
|
1560 }
|
|
|
1561 }
|
|
|
1562 return add_meth;
|
|
|
1563 case SPEC_REMOVE_LOCALE:
|
|
0
|
1564 *inst_list = Qnil;
|
|
|
1565 return SPEC_PREPEND;
|
|
272
|
1566 case SPEC_APPEND:
|
|
|
1567 return add_meth;
|
|
|
1568 default:
|
|
|
1569 return SPEC_PREPEND;
|
|
0
|
1570 }
|
|
|
1571 }
|
|
|
1572
|
|
|
1573 /* Given a LOCALE and INST_LIST that is going to be added to SPECIFIER,
|
|
|
1574 copy, canonicalize, and call the going_to_add methods as necessary
|
|
|
1575 to produce a new list that is the one that really will be added
|
|
|
1576 to the specifier. */
|
|
|
1577
|
|
|
1578 static Lisp_Object
|
|
|
1579 build_up_processed_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1580 Lisp_Object inst_list)
|
|
|
1581 {
|
|
|
1582 /* The return value of this function must be GCPRO'd. */
|
|
|
1583 Lisp_Object rest, list_to_build_up = Qnil;
|
|
272
|
1584 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
0
|
1585 struct gcpro gcpro1;
|
|
|
1586
|
|
|
1587 GCPRO1 (list_to_build_up);
|
|
|
1588 LIST_LOOP (rest, inst_list)
|
|
|
1589 {
|
|
|
1590 Lisp_Object tag_set = XCAR (XCAR (rest));
|
|
|
1591 Lisp_Object instantiator = Fcopy_tree (XCDR (XCAR (rest)), Qt);
|
|
|
1592 Lisp_Object sub_inst_list = Qnil;
|
|
|
1593 struct gcpro ngcpro1, ngcpro2;
|
|
|
1594
|
|
|
1595 NGCPRO2 (instantiator, sub_inst_list);
|
|
|
1596 /* call the will-add method; it may GC */
|
|
272
|
1597 sub_inst_list = HAS_SPECMETH_P (sp, going_to_add) ?
|
|
|
1598 SPECMETH (sp, going_to_add,
|
|
276
|
1599 (bodily_specifier (specifier), locale,
|
|
|
1600 tag_set, instantiator)) :
|
|
272
|
1601 Qt;
|
|
0
|
1602 if (EQ (sub_inst_list, Qt))
|
|
|
1603 /* no change here. */
|
|
|
1604 sub_inst_list = list1 (Fcons (canonicalize_tag_set (tag_set),
|
|
|
1605 instantiator));
|
|
|
1606 else
|
|
|
1607 {
|
|
|
1608 /* now canonicalize all the tag sets in the new objects */
|
|
|
1609 Lisp_Object rest2;
|
|
|
1610 LIST_LOOP (rest2, sub_inst_list)
|
|
|
1611 XCAR (XCAR (rest2)) = canonicalize_tag_set (XCAR (XCAR (rest2)));
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 list_to_build_up = nconc2 (sub_inst_list, list_to_build_up);
|
|
|
1615 NUNGCPRO;
|
|
|
1616 }
|
|
|
1617
|
|
|
1618 RETURN_UNGCPRO (Fnreverse (list_to_build_up));
|
|
|
1619 }
|
|
|
1620
|
|
|
1621 /* Add a specification (locale and instantiator list) to a specifier.
|
|
|
1622 ADD_METH specifies what to do with existing specifications in the
|
|
|
1623 specifier, and is an enum that corresponds to the values in
|
|
|
1624 `add-spec-to-specifier'. The calling routine is responsible for
|
|
|
1625 validating LOCALE and INST-LIST, but the tag-sets in INST-LIST
|
|
|
1626 do not need to be canonicalized. */
|
|
|
1627
|
|
|
1628 /* #### I really need to rethink the after-change
|
|
|
1629 functions to make them easier to use and more efficient. */
|
|
|
1630
|
|
|
1631 static void
|
|
|
1632 specifier_add_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1633 Lisp_Object inst_list, enum spec_add_meth add_meth)
|
|
|
1634 {
|
|
|
1635 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
272
|
1636 enum spec_locale_type type = locale_type_from_locale (locale);
|
|
|
1637 Lisp_Object *orig_inst_list, tem;
|
|
0
|
1638 Lisp_Object list_to_build_up = Qnil;
|
|
|
1639 struct gcpro gcpro1;
|
|
|
1640
|
|
|
1641 GCPRO1 (list_to_build_up);
|
|
|
1642 list_to_build_up = build_up_processed_list (specifier, locale, inst_list);
|
|
|
1643 /* Now handle REMOVE_LOCALE_TYPE and REMOVE_ALL. These are the
|
|
|
1644 add-meth types that affect locales other than this one. */
|
|
|
1645 if (add_meth == SPEC_REMOVE_LOCALE_TYPE)
|
|
|
1646 specifier_remove_locale_type (specifier, type, Qnil, 0);
|
|
|
1647 else if (add_meth == SPEC_REMOVE_ALL)
|
|
|
1648 {
|
|
|
1649 specifier_remove_locale_type (specifier, LOCALE_BUFFER, Qnil, 0);
|
|
|
1650 specifier_remove_locale_type (specifier, LOCALE_WINDOW, Qnil, 0);
|
|
272
|
1651 specifier_remove_locale_type (specifier, LOCALE_FRAME, Qnil, 0);
|
|
0
|
1652 specifier_remove_locale_type (specifier, LOCALE_DEVICE, Qnil, 0);
|
|
|
1653 specifier_remove_spec (specifier, Qglobal, LOCALE_GLOBAL, Qnil, 0);
|
|
|
1654 }
|
|
|
1655
|
|
|
1656 orig_inst_list = specifier_get_inst_list (specifier, locale, type);
|
|
|
1657 if (!orig_inst_list)
|
|
|
1658 orig_inst_list = specifier_new_spec (specifier, locale, type);
|
|
|
1659 add_meth = handle_multiple_add_insts (orig_inst_list, list_to_build_up,
|
|
|
1660 add_meth);
|
|
|
1661
|
|
|
1662 if (add_meth == SPEC_PREPEND)
|
|
272
|
1663 tem = nconc2 (list_to_build_up, *orig_inst_list);
|
|
0
|
1664 else if (add_meth == SPEC_APPEND)
|
|
272
|
1665 tem = nconc2 (*orig_inst_list, list_to_build_up);
|
|
0
|
1666 else
|
|
|
1667 abort ();
|
|
173
|
1668
|
|
272
|
1669 *orig_inst_list = tem;
|
|
|
1670
|
|
0
|
1671 UNGCPRO;
|
|
|
1672
|
|
|
1673 /* call the after-change method */
|
|
276
|
1674 MAYBE_SPECMETH (sp, after_change,
|
|
|
1675 (bodily_specifier (specifier), locale));
|
|
0
|
1676 }
|
|
|
1677
|
|
|
1678 static void
|
|
|
1679 specifier_copy_spec (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1680 Lisp_Object locale, enum spec_locale_type type,
|
|
|
1681 Lisp_Object tag_set, int exact_p,
|
|
|
1682 enum spec_add_meth add_meth)
|
|
|
1683 {
|
|
|
1684 Lisp_Object inst_list =
|
|
|
1685 specifier_get_external_inst_list (specifier, locale, type, tag_set,
|
|
|
1686 exact_p, 0, 0);
|
|
|
1687 specifier_add_spec (dest, locale, inst_list, add_meth);
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 static void
|
|
|
1691 specifier_copy_locale_type (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1692 enum spec_locale_type type,
|
|
|
1693 Lisp_Object tag_set, int exact_p,
|
|
|
1694 enum spec_add_meth add_meth)
|
|
|
1695 {
|
|
|
1696 Lisp_Object *src_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1697 Lisp_Object rest;
|
|
|
1698
|
|
|
1699 /* This algorithm is O(n^2) in running time.
|
|
|
1700 It's certainly possible to implement an O(n log n) algorithm,
|
|
|
1701 but I doubt there's any need to. */
|
|
173
|
1702
|
|
0
|
1703 LIST_LOOP (rest, *src_list)
|
|
|
1704 {
|
|
|
1705 Lisp_Object spec = XCAR (rest);
|
|
|
1706 /* There may be dead objects floating around */
|
|
|
1707 /* remember, dead windows can become alive again. */
|
|
|
1708 if (WINDOWP (XCAR (spec)) || !object_dead_p (XCAR (spec)))
|
|
|
1709 specifier_add_spec
|
|
|
1710 (dest, XCAR (spec),
|
|
|
1711 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 0),
|
|
|
1712 add_meth);
|
|
|
1713 }
|
|
173
|
1714 }
|
|
0
|
1715
|
|
|
1716 /* map MAPFUN over the locales in SPECIFIER that are given in LOCALE.
|
|
|
1717 CLOSURE is passed unchanged to MAPFUN. LOCALE can be one of
|
|
|
1718
|
|
|
1719 -- nil (same as 'all)
|
|
|
1720 -- a single locale, locale type, or 'all
|
|
|
1721 -- a list of locales, locale types, and/or 'all
|
|
|
1722
|
|
|
1723 MAPFUN is called for each locale and locale type given; for 'all,
|
|
|
1724 it is called for the locale 'global and for the four possible
|
|
|
1725 locale types. In each invocation, either LOCALE will be a locale
|
|
|
1726 and LOCALE_TYPE will be the locale type of this locale,
|
|
|
1727 or LOCALE will be nil and LOCALE_TYPE will be a locale type.
|
|
|
1728 If MAPFUN ever returns non-zero, the mapping is halted and the
|
|
|
1729 value returned is returned from map_specifier(). Otherwise, the
|
|
|
1730 mapping proceeds to the end and map_specifier() returns 0.
|
|
|
1731 */
|
|
|
1732
|
|
|
1733 static int
|
|
|
1734 map_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1735 int (*mapfun) (Lisp_Object specifier,
|
|
|
1736 Lisp_Object locale,
|
|
|
1737 enum spec_locale_type locale_type,
|
|
|
1738 Lisp_Object tag_set,
|
|
|
1739 int exact_p,
|
|
|
1740 void *closure),
|
|
|
1741 Lisp_Object tag_set, Lisp_Object exact_p,
|
|
|
1742 void *closure)
|
|
|
1743 {
|
|
|
1744 int retval = 0;
|
|
|
1745 Lisp_Object rest;
|
|
|
1746 struct gcpro gcpro1, gcpro2;
|
|
|
1747
|
|
|
1748 GCPRO2 (tag_set, locale);
|
|
|
1749 locale = decode_locale_list (locale);
|
|
|
1750 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1751 tag_set = canonicalize_tag_set (tag_set);
|
|
|
1752
|
|
|
1753 LIST_LOOP (rest, locale)
|
|
|
1754 {
|
|
|
1755 Lisp_Object theloc = XCAR (rest);
|
|
|
1756 if (!NILP (Fvalid_specifier_locale_p (theloc)))
|
|
|
1757 {
|
|
|
1758 retval = (*mapfun) (specifier, theloc,
|
|
|
1759 locale_type_from_locale (theloc),
|
|
|
1760 tag_set, !NILP (exact_p), closure);
|
|
|
1761 if (retval)
|
|
|
1762 break;
|
|
|
1763 }
|
|
|
1764 else if (!NILP (Fvalid_specifier_locale_type_p (theloc)))
|
|
|
1765 {
|
|
|
1766 retval = (*mapfun) (specifier, Qnil,
|
|
|
1767 decode_locale_type (theloc), tag_set,
|
|
|
1768 !NILP (exact_p), closure);
|
|
|
1769 if (retval)
|
|
|
1770 break;
|
|
|
1771 }
|
|
|
1772 else
|
|
|
1773 {
|
|
|
1774 assert (EQ (theloc, Qall));
|
|
|
1775 retval = (*mapfun) (specifier, Qnil, LOCALE_BUFFER, tag_set,
|
|
|
1776 !NILP (exact_p), closure);
|
|
|
1777 if (retval)
|
|
|
1778 break;
|
|
|
1779 retval = (*mapfun) (specifier, Qnil, LOCALE_WINDOW, tag_set,
|
|
|
1780 !NILP (exact_p), closure);
|
|
|
1781 if (retval)
|
|
|
1782 break;
|
|
|
1783 retval = (*mapfun) (specifier, Qnil, LOCALE_FRAME, tag_set,
|
|
|
1784 !NILP (exact_p), closure);
|
|
|
1785 if (retval)
|
|
|
1786 break;
|
|
|
1787 retval = (*mapfun) (specifier, Qnil, LOCALE_DEVICE, tag_set,
|
|
|
1788 !NILP (exact_p), closure);
|
|
|
1789 if (retval)
|
|
|
1790 break;
|
|
|
1791 retval = (*mapfun) (specifier, Qglobal, LOCALE_GLOBAL, tag_set,
|
|
|
1792 !NILP (exact_p), closure);
|
|
|
1793 if (retval)
|
|
|
1794 break;
|
|
|
1795 }
|
|
|
1796 }
|
|
|
1797
|
|
|
1798 UNGCPRO;
|
|
|
1799 return retval;
|
|
|
1800 }
|
|
|
1801
|
|
20
|
1802 DEFUN ("add-spec-to-specifier", Fadd_spec_to_specifier, 2, 5, 0, /*
|
|
0
|
1803 Add a specification to SPECIFIER.
|
|
284
|
1804 The specification maps from LOCALE (which should be a window, buffer,
|
|
0
|
1805 frame, device, or 'global, and defaults to 'global) to INSTANTIATOR,
|
|
|
1806 whose allowed values depend on the type of the specifier. Optional
|
|
|
1807 argument TAG-SET limits the instantiator to apply only to the specified
|
|
|
1808 tag set, which should be a list of tags all of which must match the
|
|
|
1809 device being instantiated over (tags are a device type, a device class,
|
|
|
1810 or tags defined with `define-specifier-tag'). Specifying a single
|
|
|
1811 symbol for TAG-SET is equivalent to specifying a one-element list
|
|
|
1812 containing that symbol. Optional argument HOW-TO-ADD specifies what to
|
|
|
1813 do if there are already specifications in the specifier.
|
|
|
1814 It should be one of
|
|
|
1815
|
|
|
1816 'prepend Put at the beginning of the current list of
|
|
|
1817 instantiators for LOCALE.
|
|
|
1818 'append Add to the end of the current list of
|
|
|
1819 instantiators for LOCALE.
|
|
|
1820 'remove-tag-set-prepend (this is the default)
|
|
|
1821 Remove any existing instantiators whose tag set is
|
|
|
1822 the same as TAG-SET; then put the new instantiator
|
|
185
|
1823 at the beginning of the current list. ("Same tag
|
|
|
1824 set" means that they contain the same elements.
|
|
0
|
1825 The order may be different.)
|
|
|
1826 'remove-tag-set-append
|
|
|
1827 Remove any existing instantiators whose tag set is
|
|
|
1828 the same as TAG-SET; then put the new instantiator
|
|
|
1829 at the end of the current list.
|
|
|
1830 'remove-locale Remove all previous instantiators for this locale
|
|
|
1831 before adding the new spec.
|
|
|
1832 'remove-locale-type Remove all specifications for all locales of the
|
|
|
1833 same type as LOCALE (this includes LOCALE itself)
|
|
|
1834 before adding the new spec.
|
|
|
1835 'remove-all Remove all specifications from the specifier
|
|
|
1836 before adding the new spec.
|
|
|
1837
|
|
|
1838 You can retrieve the specifications for a particular locale or locale type
|
|
|
1839 with the function `specifier-spec-list' or `specifier-specs'.
|
|
20
|
1840 */
|
|
|
1841 (specifier, instantiator, locale, tag_set, how_to_add))
|
|
0
|
1842 {
|
|
|
1843 enum spec_add_meth add_meth;
|
|
|
1844 Lisp_Object inst_list;
|
|
|
1845 struct gcpro gcpro1;
|
|
|
1846
|
|
|
1847 CHECK_SPECIFIER (specifier);
|
|
280
|
1848 check_modifiable_specifier (specifier);
|
|
|
1849
|
|
0
|
1850 locale = decode_locale (locale);
|
|
|
1851 check_valid_instantiator (instantiator,
|
|
|
1852 decode_specifier_type
|
|
|
1853 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
1854 ERROR_ME);
|
|
|
1855 /* tag_set might be newly-created material, but it's part of inst_list
|
|
|
1856 so is properly GC-protected. */
|
|
|
1857 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1858 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
1859
|
|
|
1860 inst_list = list1 (Fcons (tag_set, instantiator));
|
|
|
1861 GCPRO1 (inst_list);
|
|
280
|
1862 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
0
|
1863 recompute_cached_specifier_everywhere (specifier);
|
|
|
1864 RETURN_UNGCPRO (Qnil);
|
|
|
1865 }
|
|
|
1866
|
|
20
|
1867 DEFUN ("add-spec-list-to-specifier", Fadd_spec_list_to_specifier, 2, 3, 0, /*
|
|
0
|
1868 Add a spec-list (a list of specifications) to SPECIFIER.
|
|
|
1869 The format of a spec-list is
|
|
|
1870
|
|
|
1871 ((LOCALE (TAG-SET . INSTANTIATOR) ...) ...)
|
|
|
1872
|
|
|
1873 where
|
|
284
|
1874 LOCALE := a window, a buffer, a frame, a device, or 'global
|
|
0
|
1875 TAG-SET := an unordered list of zero or more TAGS, each of which
|
|
|
1876 is a symbol
|
|
|
1877 TAG := a device class (see `valid-device-class-p'), a device type
|
|
|
1878 (see `valid-console-type-p'), or a tag defined with
|
|
|
1879 `define-specifier-tag'
|
|
|
1880 INSTANTIATOR := format determined by the type of specifier
|
|
|
1881
|
|
|
1882 The pair (TAG-SET . INSTANTIATOR) is called an `inst-pair'.
|
|
|
1883 A list of inst-pairs is called an `inst-list'.
|
|
|
1884 The pair (LOCALE . INST-LIST) is called a `specification' or `spec'.
|
|
|
1885 A spec-list, then, can be viewed as a list of specifications.
|
|
|
1886
|
|
|
1887 HOW-TO-ADD specifies how to combine the new specifications with
|
|
|
1888 the existing ones, and has the same semantics as for
|
|
|
1889 `add-spec-to-specifier'.
|
|
|
1890
|
|
|
1891 In many circumstances, the higher-level function `set-specifier' is
|
|
|
1892 more convenient and should be used instead.
|
|
20
|
1893 */
|
|
|
1894 (specifier, spec_list, how_to_add))
|
|
0
|
1895 {
|
|
|
1896 enum spec_add_meth add_meth;
|
|
|
1897 Lisp_Object rest;
|
|
|
1898
|
|
|
1899 CHECK_SPECIFIER (specifier);
|
|
280
|
1900 check_modifiable_specifier (specifier);
|
|
|
1901
|
|
0
|
1902 check_valid_spec_list (spec_list,
|
|
|
1903 decode_specifier_type
|
|
|
1904 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
1905 ERROR_ME);
|
|
|
1906 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
1907
|
|
|
1908 LIST_LOOP (rest, spec_list)
|
|
|
1909 {
|
|
|
1910 /* Placating the GCC god. */
|
|
272
|
1911 Lisp_Object specification = XCAR (rest);
|
|
|
1912 Lisp_Object locale = XCAR (specification);
|
|
|
1913 Lisp_Object inst_list = XCDR (specification);
|
|
|
1914
|
|
280
|
1915 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
173
|
1916 }
|
|
0
|
1917 recompute_cached_specifier_everywhere (specifier);
|
|
|
1918 return Qnil;
|
|
|
1919 }
|
|
|
1920
|
|
276
|
1921 void
|
|
|
1922 add_spec_to_ghost_specifier (Lisp_Object specifier, Lisp_Object instantiator,
|
|
|
1923 Lisp_Object locale, Lisp_Object tag_set,
|
|
|
1924 Lisp_Object how_to_add)
|
|
|
1925 {
|
|
280
|
1926 int depth = unlock_ghost_specifiers_protected ();
|
|
|
1927 Fadd_spec_to_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
1928 instantiator, locale, tag_set, how_to_add);
|
|
276
|
1929 unbind_to (depth, Qnil);
|
|
|
1930 }
|
|
|
1931
|
|
0
|
1932 struct specifier_spec_list_closure
|
|
|
1933 {
|
|
|
1934 Lisp_Object head, tail;
|
|
|
1935 };
|
|
|
1936
|
|
|
1937 static int
|
|
|
1938 specifier_spec_list_mapfun (Lisp_Object specifier,
|
|
|
1939 Lisp_Object locale,
|
|
|
1940 enum spec_locale_type locale_type,
|
|
|
1941 Lisp_Object tag_set,
|
|
|
1942 int exact_p,
|
|
|
1943 void *closure)
|
|
|
1944 {
|
|
|
1945 struct specifier_spec_list_closure *cl =
|
|
|
1946 (struct specifier_spec_list_closure *) closure;
|
|
|
1947 Lisp_Object partial;
|
|
|
1948
|
|
|
1949 if (NILP (locale))
|
|
|
1950 partial = specifier_get_external_spec_list (specifier,
|
|
|
1951 locale_type,
|
|
|
1952 tag_set, exact_p);
|
|
|
1953 else
|
|
|
1954 {
|
|
|
1955 partial = specifier_get_external_inst_list (specifier, locale,
|
|
|
1956 locale_type, tag_set,
|
|
|
1957 exact_p, 0, 1);
|
|
|
1958 if (!NILP (partial))
|
|
|
1959 partial = list1 (Fcons (locale, partial));
|
|
|
1960 }
|
|
|
1961 if (NILP (partial))
|
|
|
1962 return 0;
|
|
|
1963
|
|
|
1964 /* tack on the new list */
|
|
|
1965 if (NILP (cl->tail))
|
|
|
1966 cl->head = cl->tail = partial;
|
|
|
1967 else
|
|
|
1968 XCDR (cl->tail) = partial;
|
|
|
1969 /* find the new tail */
|
|
|
1970 while (CONSP (XCDR (cl->tail)))
|
|
|
1971 cl->tail = XCDR (cl->tail);
|
|
|
1972 return 0;
|
|
|
1973 }
|
|
|
1974
|
|
|
1975 /* For the given SPECIFIER create and return a list of all specs
|
|
|
1976 contained within it, subject to LOCALE. If LOCALE is a locale, only
|
|
|
1977 specs in that locale will be returned. If LOCALE is a locale type,
|
|
|
1978 all specs in all locales of that type will be returned. If LOCALE is
|
|
|
1979 nil, all specs will be returned. This always copies lists and never
|
|
|
1980 returns the actual lists, because we do not want someone manipulating
|
|
|
1981 the actual objects. This may cause a slight loss of potential
|
|
|
1982 functionality but if we were to allow it then a user could manage to
|
|
|
1983 violate our assertion that the specs contained in the actual
|
|
|
1984 specifier lists are all valid. */
|
|
|
1985
|
|
20
|
1986 DEFUN ("specifier-spec-list", Fspecifier_spec_list, 1, 4, 0, /*
|
|
0
|
1987 Return the spec-list of specifications for SPECIFIER in LOCALE.
|
|
|
1988
|
|
|
1989 If LOCALE is a particular locale (a buffer, window, frame, device,
|
|
|
1990 or 'global), a spec-list consisting of the specification for that
|
|
|
1991 locale will be returned.
|
|
|
1992
|
|
|
1993 If LOCALE is a locale type (i.e. 'buffer, 'window, 'frame, or 'device),
|
|
|
1994 a spec-list of the specifications for all locales of that type will be
|
|
|
1995 returned.
|
|
|
1996
|
|
|
1997 If LOCALE is nil or 'all, a spec-list of all specifications in SPECIFIER
|
|
|
1998 will be returned.
|
|
|
1999
|
|
|
2000 LOCALE can also be a list of locales, locale types, and/or 'all; the
|
|
|
2001 result is as if `specifier-spec-list' were called on each element of the
|
|
|
2002 list and the results concatenated together.
|
|
|
2003
|
|
|
2004 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2005 subset of (or possibly equal to) the instantiator's tag set are returned.
|
|
272
|
2006 \(The default value of nil is a subset of all tag sets, so in this case
|
|
0
|
2007 no instantiators will be screened out.) If EXACT-P is non-nil, however,
|
|
|
2008 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2009 to be returned.
|
|
20
|
2010 */
|
|
70
|
2011 (specifier, locale, tag_set, exact_p))
|
|
0
|
2012 {
|
|
|
2013 struct specifier_spec_list_closure cl;
|
|
|
2014 struct gcpro gcpro1, gcpro2;
|
|
|
2015
|
|
|
2016 CHECK_SPECIFIER (specifier);
|
|
|
2017 cl.head = cl.tail = Qnil;
|
|
|
2018 GCPRO2 (cl.head, cl.tail);
|
|
280
|
2019 map_specifier (specifier, locale, specifier_spec_list_mapfun,
|
|
0
|
2020 tag_set, exact_p, &cl);
|
|
|
2021 UNGCPRO;
|
|
|
2022 return cl.head;
|
|
|
2023 }
|
|
|
2024
|
|
|
2025
|
|
20
|
2026 DEFUN ("specifier-specs", Fspecifier_specs, 1, 4, 0, /*
|
|
0
|
2027 Return the specification(s) for SPECIFIER in LOCALE.
|
|
|
2028
|
|
|
2029 If LOCALE is a single locale or is a list of one element containing a
|
|
185
|
2030 single locale, then a "short form" of the instantiators for that locale
|
|
0
|
2031 will be returned. Otherwise, this function is identical to
|
|
|
2032 `specifier-spec-list'.
|
|
|
2033
|
|
185
|
2034 The "short form" is designed for readability and not for ease of use
|
|
0
|
2035 in Lisp programs, and is as follows:
|
|
|
2036
|
|
|
2037 1. If there is only one instantiator, then an inst-pair (i.e. cons of
|
|
|
2038 tag and instantiator) will be returned; otherwise a list of
|
|
|
2039 inst-pairs will be returned.
|
|
|
2040 2. For each inst-pair returned, if the instantiator's tag is 'any,
|
|
|
2041 the tag will be removed and the instantiator itself will be returned
|
|
|
2042 instead of the inst-pair.
|
|
|
2043 3. If there is only one instantiator, its value is nil, and its tag is
|
|
|
2044 'any, a one-element list containing nil will be returned rather
|
|
|
2045 than just nil, to distinguish this case from there being no
|
|
|
2046 instantiators at all.
|
|
20
|
2047 */
|
|
|
2048 (specifier, locale, tag_set, exact_p))
|
|
0
|
2049 {
|
|
|
2050 if (!NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
2051 (CONSP (locale) && !NILP (Fvalid_specifier_locale_p (XCAR (locale))) &&
|
|
|
2052 NILP (XCDR (locale))))
|
|
|
2053 {
|
|
|
2054 struct gcpro gcpro1;
|
|
|
2055
|
|
|
2056 CHECK_SPECIFIER (specifier);
|
|
|
2057 if (CONSP (locale))
|
|
|
2058 locale = XCAR (locale);
|
|
|
2059 GCPRO1 (tag_set);
|
|
|
2060 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
2061 tag_set = canonicalize_tag_set (tag_set);
|
|
|
2062 RETURN_UNGCPRO
|
|
280
|
2063 (specifier_get_external_inst_list (specifier, locale,
|
|
0
|
2064 locale_type_from_locale (locale),
|
|
280
|
2065 tag_set, !NILP (exact_p), 1, 1));
|
|
0
|
2066 }
|
|
|
2067 else
|
|
|
2068 return Fspecifier_spec_list (specifier, locale, tag_set, exact_p);
|
|
|
2069 }
|
|
|
2070
|
|
|
2071 static int
|
|
|
2072 remove_specifier_mapfun (Lisp_Object specifier,
|
|
|
2073 Lisp_Object locale,
|
|
|
2074 enum spec_locale_type locale_type,
|
|
|
2075 Lisp_Object tag_set,
|
|
|
2076 int exact_p,
|
|
|
2077 void *ignored_closure)
|
|
|
2078 {
|
|
|
2079 if (NILP (locale))
|
|
|
2080 specifier_remove_locale_type (specifier, locale_type, tag_set, exact_p);
|
|
|
2081 else
|
|
|
2082 specifier_remove_spec (specifier, locale, locale_type, tag_set, exact_p);
|
|
|
2083 return 0;
|
|
|
2084 }
|
|
|
2085
|
|
20
|
2086 DEFUN ("remove-specifier", Fremove_specifier, 1, 4, 0, /*
|
|
0
|
2087 Remove specification(s) for SPECIFIER.
|
|
|
2088
|
|
284
|
2089 If LOCALE is a particular locale (a window, buffer, frame, device,
|
|
0
|
2090 or 'global), the specification for that locale will be removed.
|
|
|
2091
|
|
284
|
2092 If instead, LOCALE is a locale type (i.e. 'window, 'buffer, 'frame,
|
|
0
|
2093 or 'device), the specifications for all locales of that type will be
|
|
|
2094 removed.
|
|
|
2095
|
|
|
2096 If LOCALE is nil or 'all, all specifications will be removed.
|
|
|
2097
|
|
|
2098 LOCALE can also be a list of locales, locale types, and/or 'all; this
|
|
|
2099 is equivalent to calling `remove-specifier' for each of the elements
|
|
|
2100 in the list.
|
|
|
2101
|
|
|
2102 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2103 subset of (or possibly equal to) the instantiator's tag set are removed.
|
|
16
|
2104 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2105 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
0
|
2106 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2107 to be removed.
|
|
20
|
2108 */
|
|
|
2109 (specifier, locale, tag_set, exact_p))
|
|
0
|
2110 {
|
|
|
2111 CHECK_SPECIFIER (specifier);
|
|
280
|
2112 check_modifiable_specifier (specifier);
|
|
|
2113
|
|
|
2114 map_specifier (specifier, locale, remove_specifier_mapfun,
|
|
|
2115 tag_set, exact_p, 0);
|
|
0
|
2116 recompute_cached_specifier_everywhere (specifier);
|
|
|
2117 return Qnil;
|
|
|
2118 }
|
|
|
2119
|
|
276
|
2120 void
|
|
|
2121 remove_ghost_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
2122 Lisp_Object tag_set, Lisp_Object exact_p)
|
|
|
2123 {
|
|
280
|
2124 int depth = unlock_ghost_specifiers_protected ();
|
|
|
2125 Fremove_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
2126 locale, tag_set, exact_p);
|
|
276
|
2127 unbind_to (depth, Qnil);
|
|
|
2128 }
|
|
|
2129
|
|
0
|
2130 struct copy_specifier_closure
|
|
|
2131 {
|
|
|
2132 Lisp_Object dest;
|
|
|
2133 enum spec_add_meth add_meth;
|
|
|
2134 int add_meth_is_nil;
|
|
|
2135 };
|
|
|
2136
|
|
|
2137 static int
|
|
|
2138 copy_specifier_mapfun (Lisp_Object specifier,
|
|
|
2139 Lisp_Object locale,
|
|
173
|
2140 enum spec_locale_type locale_type,
|
|
0
|
2141 Lisp_Object tag_set,
|
|
|
2142 int exact_p,
|
|
|
2143 void *closure)
|
|
|
2144 {
|
|
|
2145 struct copy_specifier_closure *cl =
|
|
|
2146 (struct copy_specifier_closure *) closure;
|
|
|
2147
|
|
|
2148 if (NILP (locale))
|
|
|
2149 specifier_copy_locale_type (specifier, cl->dest, locale_type,
|
|
|
2150 tag_set, exact_p,
|
|
|
2151 cl->add_meth_is_nil ?
|
|
|
2152 SPEC_REMOVE_LOCALE_TYPE :
|
|
|
2153 cl->add_meth);
|
|
|
2154 else
|
|
|
2155 specifier_copy_spec (specifier, cl->dest, locale, locale_type,
|
|
|
2156 tag_set, exact_p,
|
|
|
2157 cl->add_meth_is_nil ? SPEC_REMOVE_LOCALE :
|
|
|
2158 cl->add_meth);
|
|
|
2159 return 0;
|
|
|
2160 }
|
|
|
2161
|
|
20
|
2162 DEFUN ("copy-specifier", Fcopy_specifier, 1, 6, 0, /*
|
|
0
|
2163 Copy SPECIFIER to DEST, or create a new one if DEST is nil.
|
|
|
2164
|
|
|
2165 If DEST is nil or omitted, a new specifier will be created and the
|
|
|
2166 specifications copied into it. Otherwise, the specifications will be
|
|
|
2167 copied into the existing specifier in DEST.
|
|
|
2168
|
|
|
2169 If LOCALE is nil or 'all, all specifications will be copied. If LOCALE
|
|
|
2170 is a particular locale, the specification for that particular locale will
|
|
|
2171 be copied. If LOCALE is a locale type, the specifications for all locales
|
|
|
2172 of that type will be copied. LOCALE can also be a list of locales,
|
|
|
2173 locale types, and/or 'all; this is equivalent to calling `copy-specifier'
|
|
|
2174 for each of the elements of the list. See `specifier-spec-list' for more
|
|
|
2175 information about LOCALE.
|
|
|
2176
|
|
|
2177 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2178 subset of (or possibly equal to) the instantiator's tag set are copied.
|
|
16
|
2179 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2180 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
0
|
2181 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2182 to be copied.
|
|
|
2183
|
|
|
2184 Optional argument HOW-TO-ADD specifies what to do with existing
|
|
|
2185 specifications in DEST. If nil, then whichever locales or locale types
|
|
|
2186 are copied will first be completely erased in DEST. Otherwise, it is
|
|
|
2187 the same as in `add-spec-to-specifier'.
|
|
20
|
2188 */
|
|
|
2189 (specifier, dest, locale, tag_set, exact_p, how_to_add))
|
|
0
|
2190 {
|
|
|
2191 struct gcpro gcpro1;
|
|
|
2192 struct copy_specifier_closure cl;
|
|
|
2193
|
|
|
2194 CHECK_SPECIFIER (specifier);
|
|
|
2195 if (NILP (how_to_add))
|
|
|
2196 cl.add_meth_is_nil = 1;
|
|
|
2197 else
|
|
|
2198 cl.add_meth_is_nil = 0;
|
|
|
2199 cl.add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
2200 if (NILP (dest))
|
|
|
2201 {
|
|
|
2202 /* #### What about copying the extra data? */
|
|
|
2203 dest = make_specifier (XSPECIFIER (specifier)->methods);
|
|
|
2204 }
|
|
|
2205 else
|
|
|
2206 {
|
|
|
2207 CHECK_SPECIFIER (dest);
|
|
280
|
2208 check_modifiable_specifier (dest);
|
|
0
|
2209 if (XSPECIFIER (dest)->methods != XSPECIFIER (specifier)->methods)
|
|
|
2210 error ("Specifiers not of same type");
|
|
|
2211 }
|
|
|
2212
|
|
|
2213 cl.dest = dest;
|
|
|
2214 GCPRO1 (dest);
|
|
280
|
2215 map_specifier (specifier, locale, copy_specifier_mapfun,
|
|
|
2216 tag_set, exact_p, &cl);
|
|
0
|
2217 UNGCPRO;
|
|
276
|
2218 recompute_cached_specifier_everywhere (dest);
|
|
0
|
2219 return dest;
|
|
|
2220 }
|
|
|
2221
|
|
|
2222
|
|
|
2223 /************************************************************************/
|
|
|
2224 /* Instancing */
|
|
|
2225 /************************************************************************/
|
|
|
2226
|
|
|
2227 static Lisp_Object
|
|
|
2228 call_validate_matchspec_method (Lisp_Object boxed_method,
|
|
|
2229 Lisp_Object matchspec)
|
|
|
2230 {
|
|
|
2231 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (matchspec);
|
|
|
2232 return Qt;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 static Lisp_Object
|
|
|
2236 check_valid_specifier_matchspec (Lisp_Object matchspec,
|
|
|
2237 struct specifier_methods *meths,
|
|
|
2238 Error_behavior errb)
|
|
|
2239 {
|
|
|
2240 if (meths->validate_matchspec_method)
|
|
|
2241 {
|
|
|
2242 Lisp_Object retval;
|
|
|
2243
|
|
|
2244 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
2245 {
|
|
|
2246 (meths->validate_matchspec_method) (matchspec);
|
|
|
2247 retval = Qt;
|
|
|
2248 }
|
|
|
2249 else
|
|
|
2250 {
|
|
|
2251 Lisp_Object opaque =
|
|
|
2252 make_opaque_ptr ((void *) meths->validate_matchspec_method);
|
|
|
2253 struct gcpro gcpro1;
|
|
|
2254
|
|
|
2255 GCPRO1 (opaque);
|
|
74
|
2256 retval = call_with_suspended_errors
|
|
82
|
2257 ((lisp_fn_t) call_validate_matchspec_method,
|
|
|
2258 Qnil, Qspecifier, errb, 2, opaque, matchspec);
|
|
173
|
2259
|
|
0
|
2260 free_opaque_ptr (opaque);
|
|
|
2261 UNGCPRO;
|
|
|
2262 }
|
|
|
2263
|
|
|
2264 return retval;
|
|
|
2265 }
|
|
|
2266 else
|
|
|
2267 {
|
|
|
2268 maybe_signal_simple_error
|
|
|
2269 ("Matchspecs not allowed for this specifier type",
|
|
|
2270 intern (meths->name), Qspecifier, errb);
|
|
|
2271 return Qnil;
|
|
|
2272 }
|
|
|
2273 }
|
|
|
2274
|
|
20
|
2275 DEFUN ("check-valid-specifier-matchspec", Fcheck_valid_specifier_matchspec, 2, 2, 0, /*
|
|
0
|
2276 Signal an error if MATCHSPEC is invalid for SPECIFIER-TYPE.
|
|
|
2277 See `specifier-matching-instance' for a description of matchspecs.
|
|
20
|
2278 */
|
|
|
2279 (matchspec, specifier_type))
|
|
0
|
2280 {
|
|
|
2281 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2282 ERROR_ME);
|
|
|
2283
|
|
|
2284 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME);
|
|
|
2285 }
|
|
|
2286
|
|
20
|
2287 DEFUN ("valid-specifier-matchspec-p", Fvalid_specifier_matchspec_p, 2, 2, 0, /*
|
|
0
|
2288 Return non-nil if MATCHSPEC is valid for SPECIFIER-TYPE.
|
|
|
2289 See `specifier-matching-instance' for a description of matchspecs.
|
|
20
|
2290 */
|
|
|
2291 (matchspec, specifier_type))
|
|
0
|
2292 {
|
|
|
2293 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2294 ERROR_ME);
|
|
|
2295
|
|
|
2296 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME_NOT);
|
|
|
2297 }
|
|
|
2298
|
|
|
2299 /* This function is purposely not callable from Lisp. If a Lisp
|
|
|
2300 caller wants to set a fallback, they should just set the
|
|
|
2301 global value. */
|
|
173
|
2302
|
|
0
|
2303 void
|
|
|
2304 set_specifier_fallback (Lisp_Object specifier, Lisp_Object fallback)
|
|
|
2305 {
|
|
|
2306 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
|
2307 assert (SPECIFIERP (fallback) ||
|
|
|
2308 !NILP (Fvalid_inst_list_p (fallback, Fspecifier_type (specifier))));
|
|
|
2309 if (SPECIFIERP (fallback))
|
|
|
2310 assert (EQ (Fspecifier_type (specifier), Fspecifier_type (fallback)));
|
|
276
|
2311 if (BODILY_SPECIFIER_P (sp))
|
|
|
2312 GHOST_SPECIFIER(sp)->fallback = fallback;
|
|
|
2313 else
|
|
|
2314 sp->fallback = fallback;
|
|
0
|
2315 /* call the after-change method */
|
|
276
|
2316 MAYBE_SPECMETH (sp, after_change,
|
|
|
2317 (bodily_specifier (specifier), Qfallback));
|
|
0
|
2318 recompute_cached_specifier_everywhere (specifier);
|
|
|
2319 }
|
|
|
2320
|
|
20
|
2321 DEFUN ("specifier-fallback", Fspecifier_fallback, 1, 1, 0, /*
|
|
0
|
2322 Return the fallback value for SPECIFIER.
|
|
|
2323 Fallback values are provided by the C code for certain built-in
|
|
|
2324 specifiers to make sure that instancing won't fail even if all
|
|
|
2325 specs are removed from the specifier, or to implement simple
|
|
|
2326 inheritance behavior (e.g. this method is used to ensure that
|
|
|
2327 faces other than 'default inherit their attributes from 'default).
|
|
|
2328 By design, you cannot change the fallback value, and specifiers
|
|
|
2329 created with `make-specifier' will never have a fallback (although
|
|
|
2330 a similar, Lisp-accessible capability may be provided in the future
|
|
|
2331 to allow for inheritance).
|
|
|
2332
|
|
|
2333 The fallback value will be an inst-list that is instanced like
|
|
|
2334 any other inst-list, a specifier of the same type as SPECIFIER
|
|
|
2335 \(results in inheritance), or nil for no fallback.
|
|
|
2336
|
|
|
2337 When you instance a specifier, you can explicitly request that the
|
|
|
2338 fallback not be consulted. (The C code does this, for example, when
|
|
|
2339 merging faces.) See `specifier-instance'.
|
|
20
|
2340 */
|
|
|
2341 (specifier))
|
|
0
|
2342 {
|
|
|
2343 CHECK_SPECIFIER (specifier);
|
|
|
2344 return Fcopy_tree (XSPECIFIER (specifier)->fallback, Qt);
|
|
|
2345 }
|
|
|
2346
|
|
|
2347 static Lisp_Object
|
|
|
2348 specifier_instance_from_inst_list (Lisp_Object specifier,
|
|
|
2349 Lisp_Object matchspec,
|
|
|
2350 Lisp_Object domain,
|
|
|
2351 Lisp_Object inst_list,
|
|
|
2352 Error_behavior errb, int no_quit,
|
|
|
2353 Lisp_Object depth)
|
|
|
2354 {
|
|
|
2355 /* This function can GC */
|
|
|
2356 struct Lisp_Specifier *sp;
|
|
|
2357 Lisp_Object device;
|
|
|
2358 Lisp_Object rest;
|
|
|
2359 int count = specpdl_depth ();
|
|
|
2360 struct gcpro gcpro1, gcpro2;
|
|
|
2361
|
|
|
2362 GCPRO2 (specifier, inst_list);
|
|
|
2363
|
|
|
2364 sp = XSPECIFIER (specifier);
|
|
|
2365 device = DFW_DEVICE (domain);
|
|
|
2366
|
|
|
2367 if (no_quit)
|
|
|
2368 /* The instantiate method is allowed to call eval. Since it
|
|
|
2369 is quite common for this function to get called from somewhere in
|
|
|
2370 redisplay we need to make sure that quits are ignored. Otherwise
|
|
|
2371 Fsignal will abort. */
|
|
|
2372 specbind (Qinhibit_quit, Qt);
|
|
|
2373
|
|
|
2374 LIST_LOOP (rest, inst_list)
|
|
|
2375 {
|
|
|
2376 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
2377 Lisp_Object tag_set = XCAR (tagged_inst);
|
|
|
2378
|
|
|
2379 if (device_matches_specifier_tag_set_p (device, tag_set))
|
|
|
2380 {
|
|
|
2381 Lisp_Object val = XCDR (tagged_inst);
|
|
|
2382
|
|
|
2383 if (HAS_SPECMETH_P (sp, instantiate))
|
|
74
|
2384 val = call_with_suspended_errors
|
|
82
|
2385 ((lisp_fn_t) RAW_SPECMETH (sp, instantiate),
|
|
|
2386 Qunbound, Qspecifier, errb, 5, specifier,
|
|
272
|
2387 matchspec, domain, val, depth);
|
|
0
|
2388
|
|
|
2389 if (!UNBOUNDP (val))
|
|
|
2390 {
|
|
|
2391 unbind_to (count, Qnil);
|
|
|
2392 UNGCPRO;
|
|
|
2393 return val;
|
|
|
2394 }
|
|
|
2395 }
|
|
|
2396 }
|
|
|
2397
|
|
|
2398 unbind_to (count, Qnil);
|
|
|
2399 UNGCPRO;
|
|
|
2400 return Qunbound;
|
|
|
2401 }
|
|
|
2402
|
|
|
2403 /* Given a SPECIFIER and a DOMAIN, return a specific instance for that
|
|
|
2404 specifier. Try to find one by checking the specifier types from most
|
|
|
2405 specific (buffer) to most general (global). If we find an instance,
|
|
|
2406 return it. Otherwise return Qunbound. */
|
|
|
2407
|
|
|
2408 #define CHECK_INSTANCE_ENTRY(key, matchspec, type) \
|
|
|
2409 do { \
|
|
|
2410 Lisp_Object *__inst_list = \
|
|
|
2411 specifier_get_inst_list (specifier, key, type); \
|
|
|
2412 if (__inst_list) \
|
|
|
2413 { \
|
|
|
2414 Lisp_Object __val__ = \
|
|
|
2415 specifier_instance_from_inst_list (specifier, matchspec, \
|
|
|
2416 domain, *__inst_list, \
|
|
|
2417 errb, no_quit, depth); \
|
|
|
2418 if (!UNBOUNDP (__val__)) \
|
|
|
2419 return __val__; \
|
|
|
2420 } \
|
|
|
2421 } while (0)
|
|
|
2422
|
|
|
2423 /* We accept any window, frame or device domain and do our checking
|
|
|
2424 starting from as specific a locale type as we can determine from the
|
|
|
2425 domain we are passed and going on up through as many other locale types
|
|
|
2426 as we can determine. In practice, when called from redisplay the
|
|
|
2427 arg will usually be a window and occasionally a frame. If
|
|
|
2428 triggered by a user call, who knows what it will usually be. */
|
|
|
2429 Lisp_Object
|
|
|
2430 specifier_instance (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2431 Lisp_Object domain, Error_behavior errb, int no_quit,
|
|
|
2432 int no_fallback, Lisp_Object depth)
|
|
|
2433 {
|
|
|
2434 Lisp_Object buffer = Qnil;
|
|
|
2435 Lisp_Object window = Qnil;
|
|
|
2436 Lisp_Object frame = Qnil;
|
|
|
2437 Lisp_Object device = Qnil;
|
|
|
2438 Lisp_Object tag = Qnil;
|
|
|
2439 struct device *d;
|
|
|
2440 struct Lisp_Specifier *sp;
|
|
|
2441
|
|
|
2442 sp = XSPECIFIER (specifier);
|
|
|
2443
|
|
|
2444 /* Attempt to determine buffer, window, frame, and device from the
|
|
|
2445 domain. */
|
|
|
2446 if (WINDOWP (domain))
|
|
|
2447 window = domain;
|
|
|
2448 else if (FRAMEP (domain))
|
|
|
2449 frame = domain;
|
|
|
2450 else if (DEVICEP (domain))
|
|
|
2451 device = domain;
|
|
|
2452 else
|
|
120
|
2453 /* #### dmoore - dammit, this should just signal an error or something
|
|
280
|
2454 shouldn't it?
|
|
|
2455 #### No. Errors are handled in Lisp primitives implementation.
|
|
|
2456 Invalid domain is a design error here - kkm. */
|
|
0
|
2457 abort ();
|
|
|
2458
|
|
|
2459 if (NILP (buffer) && !NILP (window))
|
|
|
2460 buffer = XWINDOW (window)->buffer;
|
|
|
2461 if (NILP (frame) && !NILP (window))
|
|
|
2462 frame = XWINDOW (window)->frame;
|
|
|
2463 if (NILP (device))
|
|
|
2464 /* frame had better exist; if device is undeterminable, something
|
|
|
2465 really went wrong. */
|
|
|
2466 device = XFRAME (frame)->device;
|
|
|
2467
|
|
|
2468 /* device had better be determined by now; abort if not. */
|
|
|
2469 d = XDEVICE (device);
|
|
|
2470 tag = DEVICE_CLASS (d);
|
|
|
2471
|
|
|
2472 depth = make_int (1 + XINT (depth));
|
|
|
2473 if (XINT (depth) > 20)
|
|
|
2474 {
|
|
|
2475 maybe_error (Qspecifier, errb, "Apparent loop in specifier inheritance");
|
|
|
2476 /* The specification is fucked; at least try the fallback
|
|
|
2477 (which better not be fucked, because it's not changeable
|
|
|
2478 from Lisp). */
|
|
|
2479 depth = Qzero;
|
|
|
2480 goto do_fallback;
|
|
|
2481 }
|
|
|
2482
|
|
|
2483 try_again:
|
|
284
|
2484 /* First see if we can generate one from the window specifiers. */
|
|
|
2485 if (!NILP (window))
|
|
|
2486 CHECK_INSTANCE_ENTRY (window, matchspec, LOCALE_WINDOW);
|
|
|
2487
|
|
|
2488 /* Next see if we can generate one from the buffer specifiers. */
|
|
0
|
2489 if (!NILP (buffer))
|
|
|
2490 CHECK_INSTANCE_ENTRY (buffer, matchspec, LOCALE_BUFFER);
|
|
|
2491
|
|
|
2492 /* Next see if we can generate one from the frame specifiers. */
|
|
|
2493 if (!NILP (frame))
|
|
|
2494 CHECK_INSTANCE_ENTRY (frame, matchspec, LOCALE_FRAME);
|
|
|
2495
|
|
|
2496 /* If we still haven't succeeded try with the device specifiers. */
|
|
|
2497 CHECK_INSTANCE_ENTRY (device, matchspec, LOCALE_DEVICE);
|
|
|
2498
|
|
|
2499 /* Last and least try the global specifiers. */
|
|
|
2500 CHECK_INSTANCE_ENTRY (Qglobal, matchspec, LOCALE_GLOBAL);
|
|
|
2501
|
|
|
2502 do_fallback:
|
|
|
2503 /* We're out of specifiers and we still haven't generated an
|
|
|
2504 instance. At least try the fallback ... If this fails,
|
|
|
2505 then we just return Qunbound. */
|
|
|
2506
|
|
|
2507 if (no_fallback || NILP (sp->fallback))
|
|
|
2508 /* I said, I don't want the fallbacks. */
|
|
|
2509 return Qunbound;
|
|
|
2510
|
|
|
2511 if (SPECIFIERP (sp->fallback))
|
|
|
2512 {
|
|
|
2513 /* If you introduced loops in the default specifier chain,
|
|
|
2514 then you're fucked, so you better not do this. */
|
|
|
2515 specifier = sp->fallback;
|
|
|
2516 sp = XSPECIFIER (specifier);
|
|
|
2517 goto try_again;
|
|
|
2518 }
|
|
|
2519
|
|
|
2520 assert (CONSP (sp->fallback));
|
|
|
2521 return specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2522 sp->fallback, errb, no_quit,
|
|
|
2523 depth);
|
|
|
2524 }
|
|
|
2525 #undef CHECK_INSTANCE_ENTRY
|
|
|
2526
|
|
|
2527 Lisp_Object
|
|
|
2528 specifier_instance_no_quit (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2529 Lisp_Object domain, Error_behavior errb,
|
|
|
2530 int no_fallback, Lisp_Object depth)
|
|
|
2531 {
|
|
|
2532 return specifier_instance (specifier, matchspec, domain, errb,
|
|
|
2533 1, no_fallback, depth);
|
|
|
2534 }
|
|
|
2535
|
|
20
|
2536 DEFUN ("specifier-instance", Fspecifier_instance, 1, 4, 0, /*
|
|
0
|
2537 Instantiate SPECIFIER (return its value) in DOMAIN.
|
|
|
2538 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2539
|
|
|
2540 DOMAIN should be a window, frame, or device. Other values that are legal
|
|
|
2541 as a locale (e.g. a buffer) are not valid as a domain because they do not
|
|
|
2542 provide enough information to identify a particular device (see
|
|
|
2543 `valid-specifier-domain-p'). DOMAIN defaults to the selected window
|
|
|
2544 if omitted.
|
|
|
2545
|
|
185
|
2546 "Instantiating" a specifier in a particular domain means determining
|
|
|
2547 the specifier's "value" in that domain. This is accomplished by
|
|
0
|
2548 searching through the specifications in the specifier that correspond
|
|
|
2549 to all locales that can be derived from the given domain, from specific
|
|
|
2550 to general. In most cases, the domain is an Emacs window. In that case
|
|
|
2551 specifications are searched for as follows:
|
|
|
2552
|
|
284
|
2553 1. A specification whose locale is the window itself;
|
|
|
2554 2. A specification whose locale is the window's buffer;
|
|
0
|
2555 3. A specification whose locale is the window's frame;
|
|
|
2556 4. A specification whose locale is the window's frame's device;
|
|
|
2557 5. A specification whose locale is 'global.
|
|
|
2558
|
|
|
2559 If all of those fail, then the C-code-provided fallback value for
|
|
|
2560 this specifier is consulted (see `specifier-fallback'). If it is
|
|
|
2561 an inst-list, then this function attempts to instantiate that list
|
|
|
2562 just as when a specification is located in the first five steps above.
|
|
|
2563 If the fallback is a specifier, `specifier-instance' is called
|
|
|
2564 recursively on this specifier and the return value used. Note,
|
|
|
2565 however, that if the optional argument NO-FALLBACK is non-nil,
|
|
|
2566 the fallback value will not be consulted.
|
|
|
2567
|
|
|
2568 Note that there may be more than one specification matching a particular
|
|
|
2569 locale; all such specifications are considered before looking for any
|
|
|
2570 specifications for more general locales. Any particular specification
|
|
|
2571 that is found may be rejected because its tag set does not match the
|
|
|
2572 device being instantiated over, or because the specification is not
|
|
|
2573 valid for the device of the given domain (e.g. the font or color name
|
|
|
2574 does not exist for this particular X server).
|
|
|
2575
|
|
|
2576 The returned value is dependent on the type of specifier. For example,
|
|
|
2577 for a font specifier (as returned by the `face-font' function), the returned
|
|
|
2578 value will be a font-instance object. For glyphs, the returned value
|
|
|
2579 will be a string, pixmap, or subwindow.
|
|
|
2580
|
|
|
2581 See also `specifier-matching-instance'.
|
|
20
|
2582 */
|
|
173
|
2583 (specifier, domain, default_, no_fallback))
|
|
0
|
2584 {
|
|
|
2585 Lisp_Object instance;
|
|
|
2586
|
|
|
2587 CHECK_SPECIFIER (specifier);
|
|
|
2588 domain = decode_domain (domain);
|
|
|
2589
|
|
280
|
2590 instance = specifier_instance (specifier, Qunbound, domain, ERROR_ME, 0,
|
|
0
|
2591 !NILP (no_fallback), Qzero);
|
|
173
|
2592 return UNBOUNDP (instance) ? default_ : instance;
|
|
0
|
2593 }
|
|
|
2594
|
|
20
|
2595 DEFUN ("specifier-matching-instance", Fspecifier_matching_instance, 2, 5, 0, /*
|
|
0
|
2596 Return an instance for SPECIFIER in DOMAIN that matches MATCHSPEC.
|
|
|
2597 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2598
|
|
|
2599 This function is identical to `specifier-instance' except that a
|
|
|
2600 specification will only be considered if it matches MATCHSPEC.
|
|
185
|
2601 The definition of "match", and allowed values for MATCHSPEC, are
|
|
0
|
2602 dependent on the particular type of specifier. Here are some examples:
|
|
|
2603
|
|
|
2604 -- For chartable (e.g. display table) specifiers, MATCHSPEC should be a
|
|
|
2605 character, and the specification (a chartable) must give a value for
|
|
|
2606 that character in order to be considered. This allows you to specify,
|
|
|
2607 e.g., a buffer-local display table that only gives values for particular
|
|
|
2608 characters. All other characters are handled as if the buffer-local
|
|
|
2609 display table is not there. (Chartable specifiers are not yet
|
|
|
2610 implemented.)
|
|
|
2611
|
|
|
2612 -- For font specifiers, MATCHSPEC should be a charset, and the specification
|
|
|
2613 (a font string) must have a registry that matches the charset's registry.
|
|
|
2614 (This only makes sense with Mule support.) This makes it easy to choose a
|
|
|
2615 font that can display a particular character. (This is what redisplay
|
|
|
2616 does, in fact.)
|
|
20
|
2617 */
|
|
173
|
2618 (specifier, matchspec, domain, default_, no_fallback))
|
|
0
|
2619 {
|
|
|
2620 Lisp_Object instance;
|
|
|
2621
|
|
|
2622 CHECK_SPECIFIER (specifier);
|
|
|
2623 check_valid_specifier_matchspec (matchspec, XSPECIFIER (specifier)->methods,
|
|
|
2624 ERROR_ME);
|
|
|
2625 domain = decode_domain (domain);
|
|
|
2626
|
|
280
|
2627 instance = specifier_instance (specifier, matchspec, domain, ERROR_ME,
|
|
276
|
2628 0, !NILP (no_fallback), Qzero);
|
|
173
|
2629 return UNBOUNDP (instance) ? default_ : instance;
|
|
0
|
2630 }
|
|
|
2631
|
|
280
|
2632 DEFUN ("specifier-instance-from-inst-list", Fspecifier_instance_from_inst_list,
|
|
|
2633 3, 4, 0, /*
|
|
0
|
2634 Attempt to convert a particular inst-list into an instance.
|
|
|
2635 This attempts to instantiate INST-LIST in the given DOMAIN,
|
|
|
2636 as if INST-LIST existed in a specification in SPECIFIER. If
|
|
|
2637 the instantiation fails, DEFAULT is returned. In most circumstances,
|
|
|
2638 you should not use this function; use `specifier-instance' instead.
|
|
20
|
2639 */
|
|
173
|
2640 (specifier, domain, inst_list, default_))
|
|
0
|
2641 {
|
|
|
2642 Lisp_Object val = Qunbound;
|
|
|
2643 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
|
2644 struct gcpro gcpro1;
|
|
|
2645 Lisp_Object built_up_list = Qnil;
|
|
|
2646
|
|
|
2647 CHECK_SPECIFIER (specifier);
|
|
|
2648 check_valid_domain (domain);
|
|
|
2649 check_valid_inst_list (inst_list, sp->methods, ERROR_ME);
|
|
|
2650 GCPRO1 (built_up_list);
|
|
280
|
2651 built_up_list = build_up_processed_list (specifier, domain, inst_list);
|
|
0
|
2652 if (!NILP (built_up_list))
|
|
280
|
2653 val = specifier_instance_from_inst_list (specifier, Qunbound, domain,
|
|
|
2654 built_up_list, ERROR_ME,
|
|
|
2655 0, Qzero);
|
|
0
|
2656 UNGCPRO;
|
|
173
|
2657 return UNBOUNDP (val) ? default_ : val;
|
|
0
|
2658 }
|
|
|
2659
|
|
280
|
2660 DEFUN ("specifier-matching-instance-from-inst-list", Fspecifier_matching_instance_from_inst_list,
|
|
|
2661 4, 5, 0, /*
|
|
0
|
2662 Attempt to convert a particular inst-list into an instance.
|
|
|
2663 This attempts to instantiate INST-LIST in the given DOMAIN
|
|
272
|
2664 \(as if INST-LIST existed in a specification in SPECIFIER),
|
|
0
|
2665 matching the specifications against MATCHSPEC.
|
|
|
2666
|
|
|
2667 This function is analogous to `specifier-instance-from-inst-list'
|
|
|
2668 but allows for specification-matching as in `specifier-matching-instance'.
|
|
|
2669 See that function for a description of exactly how the matching process
|
|
|
2670 works.
|
|
20
|
2671 */
|
|
173
|
2672 (specifier, matchspec, domain, inst_list, default_))
|
|
0
|
2673 {
|
|
|
2674 Lisp_Object val = Qunbound;
|
|
|
2675 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
|
2676 struct gcpro gcpro1;
|
|
|
2677 Lisp_Object built_up_list = Qnil;
|
|
|
2678
|
|
|
2679 CHECK_SPECIFIER (specifier);
|
|
|
2680 check_valid_specifier_matchspec (matchspec, XSPECIFIER (specifier)->methods,
|
|
|
2681 ERROR_ME);
|
|
|
2682 check_valid_domain (domain);
|
|
|
2683 check_valid_inst_list (inst_list, sp->methods, ERROR_ME);
|
|
|
2684 GCPRO1 (built_up_list);
|
|
280
|
2685 built_up_list = build_up_processed_list (specifier, domain, inst_list);
|
|
0
|
2686 if (!NILP (built_up_list))
|
|
280
|
2687 val = specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2688 built_up_list, ERROR_ME,
|
|
|
2689 0, Qzero);
|
|
0
|
2690 UNGCPRO;
|
|
173
|
2691 return UNBOUNDP (val) ? default_ : val;
|
|
0
|
2692 }
|
|
|
2693
|
|
|
2694
|
|
|
2695 /************************************************************************/
|
|
|
2696 /* Caching in the struct window or frame */
|
|
|
2697 /************************************************************************/
|
|
|
2698
|
|
|
2699 /* Either STRUCT_WINDOW_OFFSET or STRUCT_FRAME_OFFSET can be 0 to indicate
|
|
|
2700 no caching in that sort of object. */
|
|
|
2701
|
|
|
2702 /* #### It would be nice if the specifier caching automatically knew
|
|
|
2703 about specifier fallbacks, so we didn't have to do it ourselves. */
|
|
|
2704
|
|
|
2705 void
|
|
|
2706 set_specifier_caching (Lisp_Object specifier, int struct_window_offset,
|
|
|
2707 void (*value_changed_in_window)
|
|
|
2708 (Lisp_Object specifier, struct window *w,
|
|
|
2709 Lisp_Object oldval),
|
|
|
2710 int struct_frame_offset,
|
|
|
2711 void (*value_changed_in_frame)
|
|
|
2712 (Lisp_Object specifier, struct frame *f,
|
|
|
2713 Lisp_Object oldval))
|
|
|
2714 {
|
|
|
2715 struct Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
276
|
2716 assert (!GHOST_SPECIFIER_P (sp));
|
|
0
|
2717
|
|
|
2718 if (!sp->caching)
|
|
185
|
2719 sp->caching = xnew_and_zero (struct specifier_caching);
|
|
0
|
2720 sp->caching->offset_into_struct_window = struct_window_offset;
|
|
|
2721 sp->caching->value_changed_in_window = value_changed_in_window;
|
|
|
2722 sp->caching->offset_into_struct_frame = struct_frame_offset;
|
|
|
2723 sp->caching->value_changed_in_frame = value_changed_in_frame;
|
|
|
2724 Vcached_specifiers = Fcons (specifier, Vcached_specifiers);
|
|
276
|
2725 if (BODILY_SPECIFIER_P (sp))
|
|
|
2726 GHOST_SPECIFIER(sp)->caching = sp->caching;
|
|
0
|
2727 recompute_cached_specifier_everywhere (specifier);
|
|
|
2728 }
|
|
|
2729
|
|
|
2730 static void
|
|
|
2731 recompute_one_cached_specifier_in_window (Lisp_Object specifier,
|
|
|
2732 struct window *w)
|
|
|
2733 {
|
|
272
|
2734 Lisp_Object window;
|
|
0
|
2735 Lisp_Object newval, *location;
|
|
|
2736
|
|
276
|
2737 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
2738
|
|
0
|
2739 XSETWINDOW (window, w);
|
|
|
2740
|
|
|
2741 newval = specifier_instance (specifier, Qunbound, window, ERROR_ME_WARN,
|
|
|
2742 0, 0, Qzero);
|
|
|
2743 /* If newval ended up Qunbound, then the calling functions
|
|
|
2744 better be able to deal. If not, set a default so this
|
|
|
2745 never happens or correct it in the value_changed_in_window
|
|
|
2746 method. */
|
|
|
2747 location = (Lisp_Object *)
|
|
|
2748 ((char *) w + XSPECIFIER (specifier)->caching->offset_into_struct_window);
|
|
|
2749 if (!EQ (newval, *location))
|
|
|
2750 {
|
|
|
2751 Lisp_Object oldval = *location;
|
|
|
2752 *location = newval;
|
|
|
2753 (XSPECIFIER (specifier)->caching->value_changed_in_window)
|
|
|
2754 (specifier, w, oldval);
|
|
|
2755 }
|
|
|
2756 }
|
|
|
2757
|
|
|
2758 static void
|
|
|
2759 recompute_one_cached_specifier_in_frame (Lisp_Object specifier,
|
|
|
2760 struct frame *f)
|
|
|
2761 {
|
|
272
|
2762 Lisp_Object frame;
|
|
0
|
2763 Lisp_Object newval, *location;
|
|
|
2764
|
|
276
|
2765 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
2766
|
|
0
|
2767 XSETFRAME (frame, f);
|
|
|
2768
|
|
|
2769 newval = specifier_instance (specifier, Qunbound, frame, ERROR_ME_WARN,
|
|
|
2770 0, 0, Qzero);
|
|
|
2771 /* If newval ended up Qunbound, then the calling functions
|
|
|
2772 better be able to deal. If not, set a default so this
|
|
|
2773 never happens or correct it in the value_changed_in_frame
|
|
|
2774 method. */
|
|
|
2775 location = (Lisp_Object *)
|
|
|
2776 ((char *) f + XSPECIFIER (specifier)->caching->offset_into_struct_frame);
|
|
|
2777 if (!EQ (newval, *location))
|
|
|
2778 {
|
|
|
2779 Lisp_Object oldval = *location;
|
|
|
2780 *location = newval;
|
|
|
2781 (XSPECIFIER (specifier)->caching->value_changed_in_frame)
|
|
|
2782 (specifier, f, oldval);
|
|
|
2783 }
|
|
|
2784 }
|
|
|
2785
|
|
|
2786 void
|
|
|
2787 recompute_all_cached_specifiers_in_window (struct window *w)
|
|
|
2788 {
|
|
|
2789 Lisp_Object rest;
|
|
|
2790
|
|
|
2791 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
2792 {
|
|
|
2793 Lisp_Object specifier = XCAR (rest);
|
|
|
2794 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
2795 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
2796 }
|
|
|
2797 }
|
|
|
2798
|
|
|
2799 void
|
|
|
2800 recompute_all_cached_specifiers_in_frame (struct frame *f)
|
|
|
2801 {
|
|
|
2802 Lisp_Object rest;
|
|
|
2803
|
|
|
2804 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
2805 {
|
|
|
2806 Lisp_Object specifier = XCAR (rest);
|
|
|
2807 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
2808 recompute_one_cached_specifier_in_frame (specifier, f);
|
|
|
2809 }
|
|
|
2810 }
|
|
|
2811
|
|
|
2812 static int
|
|
|
2813 recompute_cached_specifier_everywhere_mapfun (struct window *w,
|
|
|
2814 void *closure)
|
|
|
2815 {
|
|
|
2816 Lisp_Object specifier = Qnil;
|
|
|
2817
|
|
|
2818 VOID_TO_LISP (specifier, closure);
|
|
|
2819 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
2820 return 0;
|
|
|
2821 }
|
|
|
2822
|
|
|
2823 static void
|
|
|
2824 recompute_cached_specifier_everywhere (Lisp_Object specifier)
|
|
|
2825 {
|
|
|
2826 Lisp_Object frmcons, devcons, concons;
|
|
|
2827
|
|
276
|
2828 specifier = bodily_specifier (specifier);
|
|
|
2829
|
|
0
|
2830 if (!XSPECIFIER (specifier)->caching)
|
|
|
2831 return;
|
|
|
2832
|
|
|
2833 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
2834 {
|
|
|
2835 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
2836 map_windows (XFRAME (XCAR (frmcons)),
|
|
|
2837 recompute_cached_specifier_everywhere_mapfun,
|
|
|
2838 LISP_TO_VOID (specifier));
|
|
|
2839 }
|
|
|
2840
|
|
|
2841 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
2842 {
|
|
|
2843 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
2844 recompute_one_cached_specifier_in_frame (specifier,
|
|
|
2845 XFRAME (XCAR (frmcons)));
|
|
|
2846 }
|
|
|
2847 }
|
|
|
2848
|
|
20
|
2849 DEFUN ("set-specifier-dirty-flag", Fset_specifier_dirty_flag, 1, 1, 0, /*
|
|
0
|
2850 Force recomputation of any caches associated with SPECIFIER.
|
|
|
2851 Note that this automatically happens whenever you change a specification
|
|
|
2852 in SPECIFIER; you do not have to call this function then.
|
|
|
2853 One example of where this function is useful is when you have a
|
|
|
2854 toolbar button whose `active-p' field is an expression to be
|
|
|
2855 evaluated. Calling `set-specifier-dirty-flag' on the
|
|
|
2856 toolbar specifier will force the `active-p' fields to be
|
|
|
2857 recomputed.
|
|
20
|
2858 */
|
|
|
2859 (specifier))
|
|
0
|
2860 {
|
|
|
2861 CHECK_SPECIFIER (specifier);
|
|
|
2862 recompute_cached_specifier_everywhere (specifier);
|
|
|
2863 return Qnil;
|
|
|
2864 }
|
|
|
2865
|
|
|
2866
|
|
|
2867 /************************************************************************/
|
|
|
2868 /* Generic specifier type */
|
|
|
2869 /************************************************************************/
|
|
|
2870
|
|
|
2871 DEFINE_SPECIFIER_TYPE (generic);
|
|
|
2872
|
|
|
2873 #if 0
|
|
|
2874
|
|
|
2875 /* This is the string that used to be in `generic-specifier-p'.
|
|
|
2876 The idea is good, but it doesn't quite work in the form it's
|
|
|
2877 in. (One major problem is that validating an instantiator
|
|
|
2878 is supposed to require only that the specifier type is passed,
|
|
|
2879 while with this approach the actual specifier is needed.)
|
|
|
2880
|
|
|
2881 What really needs to be done is to write a function
|
|
|
2882 `make-specifier-type' that creates new specifier types.
|
|
70
|
2883 #### I'll look into this for 19.14.
|
|
0
|
2884 */
|
|
|
2885
|
|
|
2886 "A generic specifier is a generalized kind of specifier with user-defined\n"
|
|
|
2887 "semantics. The instantiator can be any kind of Lisp object, and the\n"
|
|
|
2888 "instance computed from it is likewise any kind of Lisp object. The\n"
|
|
|
2889 "SPECIFIER-DATA should be an alist of methods governing how the specifier\n"
|
|
|
2890 "works. All methods are optional, and reasonable default methods will be\n"
|
|
|
2891 "provided. Currently there are two defined methods: 'instantiate and\n"
|
|
|
2892 "'validate.\n"
|
|
|
2893 "\n"
|
|
|
2894 "'instantiate specifies how to do the instantiation; if omitted, the\n"
|
|
|
2895 "instantiator itself is simply returned as the instance. The method\n"
|
|
|
2896 "should be a function that accepts three parameters (a specifier, the\n"
|
|
|
2897 "instantiator that matched the domain being instantiated over, and that\n"
|
|
|
2898 "domain), and should return a one-element list containing the instance,\n"
|
|
|
2899 "or nil if no instance exists. Note that the domain passed to this function\n"
|
|
|
2900 "is the domain being instantiated over, which may not be the same as the\n"
|
|
|
2901 "locale contained in the specification corresponding to the instantiator\n"
|
|
|
2902 "(for example, the domain being instantiated over could be a window, but\n"
|
|
|
2903 "the locale corresponding to the passed instantiator could be the window's\n"
|
|
|
2904 "buffer or frame).\n"
|
|
|
2905 "\n"
|
|
|
2906 "'validate specifies whether a given instantiator is valid; if omitted,\n"
|
|
|
2907 "all instantiators are considered valid. It should be a function of\n"
|
|
|
2908 "two arguments: an instantiator and a flag CAN-SIGNAL-ERROR. If this\n"
|
|
|
2909 "flag is false, the function must simply return t or nil indicating\n"
|
|
|
2910 "whether the instantiator is valid. If this flag is true, the function\n"
|
|
|
2911 "is free to signal an error if it encounters an invalid instantiator\n"
|
|
|
2912 "(this can be useful for issuing a specific error about exactly why the\n"
|
|
|
2913 "instantiator is valid). It can also return nil to indicate an invalid\n"
|
|
|
2914 "instantiator; in this case, a general error will be signalled."
|
|
|
2915
|
|
|
2916 #endif /* 0 */
|
|
|
2917
|
|
20
|
2918 DEFUN ("generic-specifier-p", Fgeneric_specifier_p, 1, 1, 0, /*
|
|
0
|
2919 Return non-nil if OBJECT is a generic specifier.
|
|
|
2920
|
|
|
2921 A generic specifier allows any kind of Lisp object as an instantiator,
|
|
|
2922 and returns back the Lisp object unchanged when it is instantiated.
|
|
20
|
2923 */
|
|
|
2924 (object))
|
|
0
|
2925 {
|
|
173
|
2926 return GENERIC_SPECIFIERP (object) ? Qt : Qnil;
|
|
0
|
2927 }
|
|
|
2928
|
|
|
2929
|
|
|
2930 /************************************************************************/
|
|
|
2931 /* Integer specifier type */
|
|
|
2932 /************************************************************************/
|
|
|
2933
|
|
|
2934 DEFINE_SPECIFIER_TYPE (integer);
|
|
|
2935
|
|
|
2936 static void
|
|
|
2937 integer_validate (Lisp_Object instantiator)
|
|
|
2938 {
|
|
|
2939 CHECK_INT (instantiator);
|
|
|
2940 }
|
|
|
2941
|
|
20
|
2942 DEFUN ("integer-specifier-p", Finteger_specifier_p, 1, 1, 0, /*
|
|
0
|
2943 Return non-nil if OBJECT is an integer specifier.
|
|
20
|
2944 */
|
|
|
2945 (object))
|
|
0
|
2946 {
|
|
173
|
2947 return INTEGER_SPECIFIERP (object) ? Qt : Qnil;
|
|
0
|
2948 }
|
|
|
2949
|
|
|
2950 /************************************************************************/
|
|
|
2951 /* Non-negative-integer specifier type */
|
|
|
2952 /************************************************************************/
|
|
|
2953
|
|
|
2954 DEFINE_SPECIFIER_TYPE (natnum);
|
|
|
2955
|
|
|
2956 static void
|
|
|
2957 natnum_validate (Lisp_Object instantiator)
|
|
|
2958 {
|
|
|
2959 CHECK_NATNUM (instantiator);
|
|
|
2960 }
|
|
|
2961
|
|
20
|
2962 DEFUN ("natnum-specifier-p", Fnatnum_specifier_p, 1, 1, 0, /*
|
|
0
|
2963 Return non-nil if OBJECT is a natnum (non-negative-integer) specifier.
|
|
20
|
2964 */
|
|
|
2965 (object))
|
|
0
|
2966 {
|
|
173
|
2967 return NATNUM_SPECIFIERP (object) ? Qt : Qnil;
|
|
0
|
2968 }
|
|
|
2969
|
|
|
2970 /************************************************************************/
|
|
|
2971 /* Boolean specifier type */
|
|
|
2972 /************************************************************************/
|
|
|
2973
|
|
|
2974 DEFINE_SPECIFIER_TYPE (boolean);
|
|
|
2975
|
|
|
2976 static void
|
|
|
2977 boolean_validate (Lisp_Object instantiator)
|
|
|
2978 {
|
|
|
2979 if (!EQ (instantiator, Qt) && !EQ (instantiator, Qnil))
|
|
|
2980 signal_simple_error ("Must be t or nil", instantiator);
|
|
|
2981 }
|
|
|
2982
|
|
20
|
2983 DEFUN ("boolean-specifier-p", Fboolean_specifier_p, 1, 1, 0, /*
|
|
155
|
2984 Return non-nil if OBJECT is a boolean specifier.
|
|
20
|
2985 */
|
|
|
2986 (object))
|
|
0
|
2987 {
|
|
173
|
2988 return BOOLEAN_SPECIFIERP (object) ? Qt : Qnil;
|
|
0
|
2989 }
|
|
|
2990
|
|
116
|
2991 /************************************************************************/
|
|
|
2992 /* Display table specifier type */
|
|
|
2993 /************************************************************************/
|
|
|
2994
|
|
|
2995 DEFINE_SPECIFIER_TYPE (display_table);
|
|
|
2996
|
|
169
|
2997 static void
|
|
|
2998 display_table_validate (Lisp_Object instantiator)
|
|
116
|
2999 {
|
|
|
3000 if (!NILP(instantiator) &&
|
|
|
3001 (!VECTORP (instantiator) ||
|
|
173
|
3002 XVECTOR_LENGTH (instantiator) != DISP_TABLE_SIZE))
|
|
169
|
3003 dead_wrong_type_argument (display_table_specifier_methods->predicate_symbol,
|
|
|
3004 instantiator);
|
|
116
|
3005 }
|
|
169
|
3006
|
|
116
|
3007 DEFUN ("display-table-specifier-p", Fdisplay_table_specifier_p, 1, 1, 0, /*
|
|
175
|
3008 Return non-nil if OBJECT is a display-table specifier.
|
|
116
|
3009 */
|
|
|
3010 (object))
|
|
|
3011 {
|
|
173
|
3012 return DISPLAYTABLE_SPECIFIERP (object) ? Qt : Qnil;
|
|
116
|
3013 }
|
|
|
3014
|
|
0
|
3015
|
|
|
3016 /************************************************************************/
|
|
|
3017 /* Initialization */
|
|
|
3018 /************************************************************************/
|
|
|
3019
|
|
|
3020 void
|
|
|
3021 syms_of_specifier (void)
|
|
|
3022 {
|
|
|
3023 defsymbol (&Qspecifierp, "specifierp");
|
|
|
3024
|
|
|
3025 defsymbol (&Qconsole_type, "console-type");
|
|
|
3026 defsymbol (&Qdevice_class, "device-class");
|
|
|
3027
|
|
|
3028 /* Qinteger, Qboolean, Qgeneric defined in general.c */
|
|
|
3029 defsymbol (&Qnatnum, "natnum");
|
|
|
3030
|
|
20
|
3031 DEFSUBR (Fvalid_specifier_type_p);
|
|
|
3032 DEFSUBR (Fspecifier_type_list);
|
|
|
3033 DEFSUBR (Fmake_specifier);
|
|
|
3034 DEFSUBR (Fspecifierp);
|
|
|
3035 DEFSUBR (Fspecifier_type);
|
|
|
3036
|
|
|
3037 DEFSUBR (Fvalid_specifier_locale_p);
|
|
|
3038 DEFSUBR (Fvalid_specifier_domain_p);
|
|
|
3039 DEFSUBR (Fvalid_specifier_locale_type_p);
|
|
|
3040 DEFSUBR (Fspecifier_locale_type_from_locale);
|
|
|
3041
|
|
|
3042 DEFSUBR (Fvalid_specifier_tag_p);
|
|
|
3043 DEFSUBR (Fvalid_specifier_tag_set_p);
|
|
|
3044 DEFSUBR (Fcanonicalize_tag_set);
|
|
|
3045 DEFSUBR (Fdevice_matches_specifier_tag_set_p);
|
|
|
3046 DEFSUBR (Fdefine_specifier_tag);
|
|
|
3047 DEFSUBR (Fdevice_matching_specifier_tag_list);
|
|
|
3048 DEFSUBR (Fspecifier_tag_list);
|
|
|
3049 DEFSUBR (Fspecifier_tag_predicate);
|
|
|
3050
|
|
|
3051 DEFSUBR (Fcheck_valid_instantiator);
|
|
|
3052 DEFSUBR (Fvalid_instantiator_p);
|
|
|
3053 DEFSUBR (Fcheck_valid_inst_list);
|
|
|
3054 DEFSUBR (Fvalid_inst_list_p);
|
|
|
3055 DEFSUBR (Fcheck_valid_spec_list);
|
|
|
3056 DEFSUBR (Fvalid_spec_list_p);
|
|
|
3057 DEFSUBR (Fadd_spec_to_specifier);
|
|
|
3058 DEFSUBR (Fadd_spec_list_to_specifier);
|
|
|
3059 DEFSUBR (Fspecifier_spec_list);
|
|
|
3060 DEFSUBR (Fspecifier_specs);
|
|
|
3061 DEFSUBR (Fremove_specifier);
|
|
|
3062 DEFSUBR (Fcopy_specifier);
|
|
|
3063
|
|
|
3064 DEFSUBR (Fcheck_valid_specifier_matchspec);
|
|
|
3065 DEFSUBR (Fvalid_specifier_matchspec_p);
|
|
|
3066 DEFSUBR (Fspecifier_fallback);
|
|
|
3067 DEFSUBR (Fspecifier_instance);
|
|
|
3068 DEFSUBR (Fspecifier_matching_instance);
|
|
|
3069 DEFSUBR (Fspecifier_instance_from_inst_list);
|
|
|
3070 DEFSUBR (Fspecifier_matching_instance_from_inst_list);
|
|
|
3071 DEFSUBR (Fset_specifier_dirty_flag);
|
|
|
3072
|
|
|
3073 DEFSUBR (Fgeneric_specifier_p);
|
|
|
3074 DEFSUBR (Finteger_specifier_p);
|
|
|
3075 DEFSUBR (Fnatnum_specifier_p);
|
|
|
3076 DEFSUBR (Fboolean_specifier_p);
|
|
175
|
3077 DEFSUBR (Fdisplay_table_specifier_p);
|
|
0
|
3078
|
|
|
3079 /* Symbols pertaining to specifier creation. Specifiers are created
|
|
|
3080 in the syms_of() functions. */
|
|
|
3081
|
|
|
3082 /* locales are defined in general.c. */
|
|
|
3083
|
|
|
3084 defsymbol (&Qprepend, "prepend");
|
|
|
3085 defsymbol (&Qappend, "append");
|
|
|
3086 defsymbol (&Qremove_tag_set_prepend, "remove-tag-set-prepend");
|
|
|
3087 defsymbol (&Qremove_tag_set_append, "remove-tag-set-append");
|
|
|
3088 defsymbol (&Qremove_locale, "remove-locale");
|
|
|
3089 defsymbol (&Qremove_locale_type, "remove-locale-type");
|
|
|
3090 defsymbol (&Qremove_all, "remove-all");
|
|
|
3091
|
|
|
3092 defsymbol (&Qfallback, "fallback");
|
|
|
3093 }
|
|
|
3094
|
|
|
3095 void
|
|
|
3096 specifier_type_create (void)
|
|
|
3097 {
|
|
185
|
3098 the_specifier_type_entry_dynarr = Dynarr_new (specifier_type_entry);
|
|
0
|
3099
|
|
|
3100 Vspecifier_type_list = Qnil;
|
|
|
3101 staticpro (&Vspecifier_type_list);
|
|
|
3102
|
|
|
3103 INITIALIZE_SPECIFIER_TYPE (generic, "generic", "generic-specifier-p");
|
|
|
3104
|
|
|
3105 INITIALIZE_SPECIFIER_TYPE (integer, "integer", "integer-specifier-p");
|
|
|
3106
|
|
|
3107 SPECIFIER_HAS_METHOD (integer, validate);
|
|
|
3108
|
|
|
3109 INITIALIZE_SPECIFIER_TYPE (natnum, "natnum", "natnum-specifier-p");
|
|
|
3110
|
|
|
3111 SPECIFIER_HAS_METHOD (natnum, validate);
|
|
|
3112
|
|
|
3113 INITIALIZE_SPECIFIER_TYPE (boolean, "boolean", "boolean-specifier-p");
|
|
|
3114
|
|
|
3115 SPECIFIER_HAS_METHOD (boolean, validate);
|
|
116
|
3116
|
|
175
|
3117 INITIALIZE_SPECIFIER_TYPE (display_table, "display-table", "display-table-p");
|
|
116
|
3118
|
|
|
3119 SPECIFIER_HAS_METHOD (display_table, validate);
|
|
0
|
3120 }
|
|
|
3121
|
|
|
3122 void
|
|
|
3123 vars_of_specifier (void)
|
|
|
3124 {
|
|
|
3125 Vcached_specifiers = Qnil;
|
|
|
3126 staticpro (&Vcached_specifiers);
|
|
|
3127
|
|
|
3128 /* Do NOT mark through this, or specifiers will never be GC'd.
|
|
|
3129 This is the same deal as for weak hashtables. */
|
|
|
3130 Vall_specifiers = Qnil;
|
|
|
3131
|
|
|
3132 Vuser_defined_tags = Qnil;
|
|
|
3133 staticpro (&Vuser_defined_tags);
|
|
276
|
3134
|
|
280
|
3135 Vunlock_ghost_specifiers = Qnil;
|
|
|
3136 staticpro (&Vunlock_ghost_specifiers);
|
|
0
|
3137 }
|
