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428
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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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2953
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3 Copyright (C) 1995, 1996, 2002, 2005 Ben Wing.
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428
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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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2953
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26 Written by Ben Wing based on prototype for 19.12 by Chuck Thompson.
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27 Magic specifiers by Kirill Katsnelson.
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428
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28 */
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29
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30 #include <config.h>
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31 #include "lisp.h"
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32
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33 #include "buffer.h"
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800
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34 #include "chartab.h"
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872
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35 #include "device-impl.h"
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428
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36 #include "frame.h"
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800
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37 #include "glyphs.h"
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428
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38 #include "opaque.h"
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800
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39 #include "rangetab.h"
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428
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40 #include "specifier.h"
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41 #include "window.h"
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42
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43 Lisp_Object Qspecifierp;
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442
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44 Lisp_Object Qremove_tag_set_prepend, Qremove_tag_set_append;
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45 Lisp_Object Qremove_locale, Qremove_locale_type;
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428
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46
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47 Lisp_Object Qconsole_type, Qdevice_class;
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48
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49 static Lisp_Object Vuser_defined_tags;
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50
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51 typedef struct specifier_type_entry specifier_type_entry;
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52 struct specifier_type_entry
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53 {
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54 Lisp_Object symbol;
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55 struct specifier_methods *meths;
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56 };
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57
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58 typedef struct
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59 {
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60 Dynarr_declare (specifier_type_entry);
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61 } specifier_type_entry_dynarr;
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62
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63 static specifier_type_entry_dynarr *the_specifier_type_entry_dynarr;
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64
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1204
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65 static const struct memory_description ste_description_1[] = {
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440
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66 { XD_LISP_OBJECT, offsetof (specifier_type_entry, symbol) },
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2367
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67 { XD_BLOCK_PTR, offsetof (specifier_type_entry, meths), 1,
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2551
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68 { &specifier_methods_description } },
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428
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69 { XD_END }
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70 };
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71
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1204
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72 static const struct sized_memory_description ste_description = {
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440
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73 sizeof (specifier_type_entry),
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428
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74 ste_description_1
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75 };
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76
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1204
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77 static const struct memory_description sted_description_1[] = {
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440
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78 XD_DYNARR_DESC (specifier_type_entry_dynarr, &ste_description),
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428
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79 { XD_END }
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80 };
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81
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1204
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82 static const struct sized_memory_description sted_description = {
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440
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83 sizeof (specifier_type_entry_dynarr),
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428
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84 sted_description_1
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85 };
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86
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87 static Lisp_Object Vspecifier_type_list;
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88
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89 static Lisp_Object Vcached_specifiers;
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90 /* Do NOT mark through this, or specifiers will never be GC'd. */
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91 static Lisp_Object Vall_specifiers;
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92
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93 static Lisp_Object Vunlock_ghost_specifiers;
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94
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95 /* #### The purpose of this is to check for inheritance loops
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96 in specifiers that can inherit from other specifiers, but it's
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97 not yet implemented.
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98
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99 #### Look into this for 19.14. */
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100 /* static Lisp_Object_dynarr current_specifiers; */
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101
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102 static void recompute_cached_specifier_everywhere (Lisp_Object specifier);
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103
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104 EXFUN (Fspecifier_specs, 4);
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105 EXFUN (Fremove_specifier, 4);
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106
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107
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108 /************************************************************************/
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109 /* Specifier object methods */
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110 /************************************************************************/
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111
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112 /* Remove dead objects from the specified assoc list. */
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113
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114 static Lisp_Object
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115 cleanup_assoc_list (Lisp_Object list)
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116 {
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117 Lisp_Object loop, prev, retval;
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118
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119 loop = retval = list;
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120 prev = Qnil;
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121
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122 while (!NILP (loop))
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123 {
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124 Lisp_Object entry = XCAR (loop);
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125 Lisp_Object key = XCAR (entry);
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126
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127 /* remember, dead windows can become alive again. */
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128 if (!WINDOWP (key) && object_dead_p (key))
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129 {
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130 if (NILP (prev))
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131 {
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132 /* Removing the head. */
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133 retval = XCDR (retval);
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134 }
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135 else
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136 {
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137 Fsetcdr (prev, XCDR (loop));
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138 }
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139 }
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140 else
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141 prev = loop;
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142
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143 loop = XCDR (loop);
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144 }
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145
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146 return retval;
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147 }
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148
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149 /* Remove dead objects from the various lists so that they
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150 don't keep getting marked as long as this specifier exists and
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151 therefore wasting memory. */
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152
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153 void
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154 cleanup_specifiers (void)
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155 {
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156 Lisp_Object rest;
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157
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158 for (rest = Vall_specifiers;
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159 !NILP (rest);
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160 rest = XSPECIFIER (rest)->next_specifier)
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161 {
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440
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162 Lisp_Specifier *sp = XSPECIFIER (rest);
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428
|
163 /* This effectively changes the specifier specs.
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164 However, there's no need to call
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165 recompute_cached_specifier_everywhere() or the
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166 after-change methods because the only specs we
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167 are removing are for dead objects, and they can
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168 never have any effect on the specifier values:
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169 specifiers can only be instantiated over live
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170 objects, and you can't derive a dead object
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171 from a live one. */
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172 sp->device_specs = cleanup_assoc_list (sp->device_specs);
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173 sp->frame_specs = cleanup_assoc_list (sp->frame_specs);
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174 sp->buffer_specs = cleanup_assoc_list (sp->buffer_specs);
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175 /* windows are handled specially because dead windows
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176 can be resurrected */
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177 }
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178 }
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179
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180 void
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181 kill_specifier_buffer_locals (Lisp_Object buffer)
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182 {
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183 Lisp_Object rest;
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184
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185 for (rest = Vall_specifiers;
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186 !NILP (rest);
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187 rest = XSPECIFIER (rest)->next_specifier)
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|
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188 {
|
|
440
|
189 Lisp_Specifier *sp = XSPECIFIER (rest);
|
|
428
|
190
|
|
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191 /* Make sure we're actually going to be changing something.
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192 Fremove_specifier() always calls
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193 recompute_cached_specifier_everywhere() (#### but should
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194 be smarter about this). */
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195 if (!NILP (assq_no_quit (buffer, sp->buffer_specs)))
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196 Fremove_specifier (rest, buffer, Qnil, Qnil);
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|
|
197 }
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|
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198 }
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199
|
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200 static Lisp_Object
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201 mark_specifier (Lisp_Object obj)
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202 {
|
|
440
|
203 Lisp_Specifier *specifier = XSPECIFIER (obj);
|
|
428
|
204
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|
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205 mark_object (specifier->global_specs);
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206 mark_object (specifier->device_specs);
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207 mark_object (specifier->frame_specs);
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208 mark_object (specifier->window_specs);
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209 mark_object (specifier->buffer_specs);
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210 mark_object (specifier->magic_parent);
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211 mark_object (specifier->fallback);
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212 if (!GHOST_SPECIFIER_P (XSPECIFIER (obj)))
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|
213 MAYBE_SPECMETH (specifier, mark, (obj));
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214 return Qnil;
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|
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215 }
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216
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217 /* The idea here is that the specifier specs point to locales
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218 (windows, buffers, frames, and devices), and we want to make sure
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219 that the specs disappear automatically when the associated locale
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220 is no longer in use. For all but windows, "no longer in use"
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221 corresponds exactly to when the object is deleted (non-deleted
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222 objects are always held permanently in special lists, and deleted
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223 objects are never on these lists and never reusable). To handle
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|
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224 this, we just have cleanup_specifiers() called periodically
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225 (at the beginning of garbage collection); it removes all dead
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226 objects.
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227
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228 For windows, however, it's trickier because dead objects can be
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229 converted to live ones again if the dead object is in a window
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230 configuration. Therefore, for windows, "no longer in use"
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231 corresponds to when the window object is garbage-collected.
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|
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232 We now use weak lists for this purpose.
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233
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|
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234 */
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|
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235
|
|
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236 void
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|
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237 prune_specifiers (void)
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|
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238 {
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|
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239 Lisp_Object rest, prev = Qnil;
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|
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240
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|
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241 for (rest = Vall_specifiers;
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242 !NILP (rest);
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243 rest = XSPECIFIER (rest)->next_specifier)
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|
|
244 {
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|
|
245 if (! marked_p (rest))
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|
|
246 {
|
|
440
|
247 Lisp_Specifier* sp = XSPECIFIER (rest);
|
|
428
|
248 /* A bit of assertion that we're removing both parts of the
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|
|
249 magic one altogether */
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|
|
250 assert (!MAGIC_SPECIFIER_P(sp)
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|
|
251 || (BODILY_SPECIFIER_P(sp) && marked_p (sp->fallback))
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|
|
252 || (GHOST_SPECIFIER_P(sp) && marked_p (sp->magic_parent)));
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|
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253 /* This specifier is garbage. Remove it from the list. */
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|
|
254 if (NILP (prev))
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255 Vall_specifiers = sp->next_specifier;
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|
|
256 else
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|
|
257 XSPECIFIER (prev)->next_specifier = sp->next_specifier;
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|
|
258 }
|
|
|
259 else
|
|
|
260 prev = rest;
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|
|
261 }
|
|
|
262 }
|
|
|
263
|
|
|
264 static void
|
|
2286
|
265 print_specifier (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
266 int UNUSED (escapeflag))
|
|
428
|
267 {
|
|
440
|
268 Lisp_Specifier *sp = XSPECIFIER (obj);
|
|
428
|
269 int count = specpdl_depth ();
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|
|
270 Lisp_Object the_specs;
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|
|
271
|
|
|
272 if (print_readably)
|
|
563
|
273 printing_unreadable_object ("#<%s-specifier 0x%x>",
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|
|
274 sp->methods->name, sp->header.uid);
|
|
428
|
275
|
|
800
|
276 write_fmt_string (printcharfun, "#<%s-specifier global=", sp->methods->name);
|
|
872
|
277 #if 0
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|
|
278 /* #### Not obvious this is useful, and overrides user settings; if we
|
|
|
279 resurrect this, create variables like `print-specifier-length' so it
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|
|
280 can be controlled. */
|
|
428
|
281 specbind (Qprint_string_length, make_int (100));
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|
|
282 specbind (Qprint_length, make_int (5));
|
|
872
|
283 #endif
|
|
428
|
284 the_specs = Fspecifier_specs (obj, Qglobal, Qnil, Qnil);
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|
|
285 if (NILP (the_specs))
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|
|
286 /* there are no global specs */
|
|
826
|
287 write_c_string (printcharfun, "<unspecified>");
|
|
428
|
288 else
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|
|
289 print_internal (the_specs, printcharfun, 1);
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|
|
290 if (!NILP (sp->fallback))
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|
|
291 {
|
|
800
|
292 write_fmt_string_lisp (printcharfun, " fallback=%S", 1, sp->fallback);
|
|
428
|
293 }
|
|
771
|
294 unbind_to (count);
|
|
800
|
295 write_fmt_string (printcharfun, " 0x%x>", sp->header.uid);
|
|
428
|
296 }
|
|
|
297
|
|
|
298 static void
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|
|
299 finalize_specifier (void *header, int for_disksave)
|
|
|
300 {
|
|
440
|
301 Lisp_Specifier *sp = (Lisp_Specifier *) header;
|
|
428
|
302 /* don't be snafued by the disksave finalization. */
|
|
|
303 if (!for_disksave && !GHOST_SPECIFIER_P(sp) && sp->caching)
|
|
|
304 {
|
|
1726
|
305 xfree (sp->caching, struct specifier_caching *);
|
|
428
|
306 sp->caching = 0;
|
|
|
307 }
|
|
|
308 }
|
|
|
309
|
|
|
310 static int
|
|
|
311 specifier_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
|
312 {
|
|
440
|
313 Lisp_Specifier *s1 = XSPECIFIER (obj1);
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|
|
314 Lisp_Specifier *s2 = XSPECIFIER (obj2);
|
|
428
|
315 int retval;
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|
|
316 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
317
|
|
|
318 /* This function can be called from within redisplay.
|
|
|
319 internal_equal can trigger a quit. That leads to Bad Things. */
|
|
|
320 Vinhibit_quit = Qt;
|
|
|
321
|
|
|
322 depth++;
|
|
|
323 retval =
|
|
|
324 (s1->methods == s2->methods &&
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|
|
325 internal_equal (s1->global_specs, s2->global_specs, depth) &&
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|
|
326 internal_equal (s1->device_specs, s2->device_specs, depth) &&
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|
|
327 internal_equal (s1->frame_specs, s2->frame_specs, depth) &&
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|
|
328 internal_equal (s1->window_specs, s2->window_specs, depth) &&
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|
|
329 internal_equal (s1->buffer_specs, s2->buffer_specs, depth) &&
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|
|
330 internal_equal (s1->fallback, s2->fallback, depth));
|
|
|
331
|
|
|
332 if (retval && HAS_SPECMETH_P (s1, equal))
|
|
|
333 retval = SPECMETH (s1, equal, (obj1, obj2, depth - 1));
|
|
|
334
|
|
|
335 Vinhibit_quit = old_inhibit_quit;
|
|
|
336 return retval;
|
|
|
337 }
|
|
|
338
|
|
2515
|
339 static Hashcode
|
|
428
|
340 specifier_hash (Lisp_Object obj, int depth)
|
|
|
341 {
|
|
440
|
342 Lisp_Specifier *s = XSPECIFIER (obj);
|
|
428
|
343
|
|
|
344 /* specifier hashing is a bit problematic because there are so
|
|
|
345 many places where data can be stored. We pick what are perhaps
|
|
|
346 the most likely places where interesting stuff will be. */
|
|
|
347 return HASH5 ((HAS_SPECMETH_P (s, hash) ?
|
|
|
348 SPECMETH (s, hash, (obj, depth)) : 0),
|
|
2515
|
349 (Hashcode) s->methods,
|
|
428
|
350 internal_hash (s->global_specs, depth + 1),
|
|
|
351 internal_hash (s->frame_specs, depth + 1),
|
|
|
352 internal_hash (s->buffer_specs, depth + 1));
|
|
|
353 }
|
|
|
354
|
|
665
|
355 inline static Bytecount
|
|
|
356 aligned_sizeof_specifier (Bytecount specifier_type_specific_size)
|
|
456
|
357 {
|
|
826
|
358 return MAX_ALIGN_SIZE (offsetof (Lisp_Specifier, data)
|
|
|
359 + specifier_type_specific_size);
|
|
456
|
360 }
|
|
|
361
|
|
665
|
362 static Bytecount
|
|
442
|
363 sizeof_specifier (const void *header)
|
|
428
|
364 {
|
|
456
|
365 const Lisp_Specifier *p = (const Lisp_Specifier *) header;
|
|
|
366 return aligned_sizeof_specifier (GHOST_SPECIFIER_P (p)
|
|
|
367 ? 0
|
|
|
368 : p->methods->extra_data_size);
|
|
428
|
369 }
|
|
|
370
|
|
1204
|
371 static const struct memory_description specifier_methods_description_1[] = {
|
|
440
|
372 { XD_LISP_OBJECT, offsetof (struct specifier_methods, predicate_symbol) },
|
|
428
|
373 { XD_END }
|
|
|
374 };
|
|
|
375
|
|
1204
|
376 const struct sized_memory_description specifier_methods_description = {
|
|
440
|
377 sizeof (struct specifier_methods),
|
|
428
|
378 specifier_methods_description_1
|
|
|
379 };
|
|
|
380
|
|
1204
|
381 static const struct memory_description specifier_caching_description_1[] = {
|
|
428
|
382 { XD_END }
|
|
|
383 };
|
|
|
384
|
|
1204
|
385 static const struct sized_memory_description specifier_caching_description = {
|
|
440
|
386 sizeof (struct specifier_caching),
|
|
428
|
387 specifier_caching_description_1
|
|
|
388 };
|
|
|
389
|
|
1204
|
390 static const struct sized_memory_description specifier_extra_description_map[]
|
|
|
391 = {
|
|
|
392 { offsetof (Lisp_Specifier, methods) },
|
|
|
393 { offsetof (struct specifier_methods, extra_description) },
|
|
|
394 { -1 },
|
|
|
395 };
|
|
|
396
|
|
|
397 const struct memory_description specifier_description[] = {
|
|
2367
|
398 { XD_BLOCK_PTR, offsetof (Lisp_Specifier, methods), 1,
|
|
2551
|
399 { &specifier_methods_description } },
|
|
440
|
400 { XD_LO_LINK, offsetof (Lisp_Specifier, next_specifier) },
|
|
|
401 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, global_specs) },
|
|
|
402 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, device_specs) },
|
|
|
403 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, frame_specs) },
|
|
|
404 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, window_specs) },
|
|
|
405 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, buffer_specs) },
|
|
2367
|
406 { XD_BLOCK_PTR, offsetof (Lisp_Specifier, caching), 1,
|
|
2551
|
407 { &specifier_caching_description } },
|
|
440
|
408 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, magic_parent) },
|
|
|
409 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, fallback) },
|
|
2367
|
410 { XD_BLOCK_ARRAY, offsetof (Lisp_Specifier, data), 1,
|
|
2551
|
411 { specifier_extra_description_map } },
|
|
428
|
412 { XD_END }
|
|
|
413 };
|
|
|
414
|
|
1204
|
415 static const struct memory_description specifier_empty_extra_description_1[] =
|
|
|
416 {
|
|
|
417 { XD_END }
|
|
|
418 };
|
|
|
419
|
|
|
420 const struct sized_memory_description specifier_empty_extra_description = {
|
|
|
421 0, specifier_empty_extra_description_1
|
|
|
422 };
|
|
|
423
|
|
934
|
424 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("specifier", specifier,
|
|
|
425 1, /*dumpable-flag*/
|
|
|
426 mark_specifier, print_specifier,
|
|
|
427 finalize_specifier,
|
|
|
428 specifier_equal, specifier_hash,
|
|
|
429 specifier_description,
|
|
|
430 sizeof_specifier,
|
|
|
431 Lisp_Specifier);
|
|
428
|
432
|
|
|
433 /************************************************************************/
|
|
|
434 /* Creating specifiers */
|
|
|
435 /************************************************************************/
|
|
|
436
|
|
|
437 static struct specifier_methods *
|
|
578
|
438 decode_specifier_type (Lisp_Object type, Error_Behavior errb)
|
|
428
|
439 {
|
|
|
440 int i;
|
|
|
441
|
|
|
442 for (i = 0; i < Dynarr_length (the_specifier_type_entry_dynarr); i++)
|
|
|
443 {
|
|
|
444 if (EQ (type, Dynarr_at (the_specifier_type_entry_dynarr, i).symbol))
|
|
|
445 return Dynarr_at (the_specifier_type_entry_dynarr, i).meths;
|
|
|
446 }
|
|
|
447
|
|
563
|
448 maybe_invalid_argument ("Invalid specifier type",
|
|
442
|
449 type, Qspecifier, errb);
|
|
428
|
450
|
|
|
451 return 0;
|
|
|
452 }
|
|
|
453
|
|
|
454 static int
|
|
|
455 valid_specifier_type_p (Lisp_Object type)
|
|
|
456 {
|
|
|
457 return decode_specifier_type (type, ERROR_ME_NOT) != 0;
|
|
|
458 }
|
|
|
459
|
|
|
460 DEFUN ("valid-specifier-type-p", Fvalid_specifier_type_p, 1, 1, 0, /*
|
|
|
461 Given a SPECIFIER-TYPE, return non-nil if it is valid.
|
|
2953
|
462 Valid types are `generic', `integer', `boolean', `color', `font', `image',
|
|
|
463 `face-boolean', and `toolbar'.
|
|
428
|
464 */
|
|
|
465 (specifier_type))
|
|
|
466 {
|
|
|
467 return valid_specifier_type_p (specifier_type) ? Qt : Qnil;
|
|
|
468 }
|
|
|
469
|
|
|
470 DEFUN ("specifier-type-list", Fspecifier_type_list, 0, 0, 0, /*
|
|
|
471 Return a list of valid specifier types.
|
|
|
472 */
|
|
|
473 ())
|
|
|
474 {
|
|
|
475 return Fcopy_sequence (Vspecifier_type_list);
|
|
|
476 }
|
|
|
477
|
|
|
478 void
|
|
|
479 add_entry_to_specifier_type_list (Lisp_Object symbol,
|
|
|
480 struct specifier_methods *meths)
|
|
|
481 {
|
|
|
482 struct specifier_type_entry entry;
|
|
|
483
|
|
|
484 entry.symbol = symbol;
|
|
|
485 entry.meths = meths;
|
|
|
486 Dynarr_add (the_specifier_type_entry_dynarr, entry);
|
|
|
487 Vspecifier_type_list = Fcons (symbol, Vspecifier_type_list);
|
|
|
488 }
|
|
|
489
|
|
|
490 static Lisp_Object
|
|
|
491 make_specifier_internal (struct specifier_methods *spec_meths,
|
|
665
|
492 Bytecount data_size, int call_create_meth)
|
|
428
|
493 {
|
|
|
494 Lisp_Object specifier;
|
|
440
|
495 Lisp_Specifier *sp = (Lisp_Specifier *)
|
|
3017
|
496 BASIC_ALLOC_LCRECORD (aligned_sizeof_specifier (data_size),
|
|
1204
|
497 &lrecord_specifier);
|
|
428
|
498
|
|
|
499 sp->methods = spec_meths;
|
|
|
500 sp->global_specs = Qnil;
|
|
|
501 sp->device_specs = Qnil;
|
|
|
502 sp->frame_specs = Qnil;
|
|
|
503 sp->window_specs = make_weak_list (WEAK_LIST_KEY_ASSOC);
|
|
|
504 sp->buffer_specs = Qnil;
|
|
|
505 sp->fallback = Qnil;
|
|
|
506 sp->magic_parent = Qnil;
|
|
|
507 sp->caching = 0;
|
|
|
508 sp->next_specifier = Vall_specifiers;
|
|
|
509
|
|
793
|
510 specifier = wrap_specifier (sp);
|
|
428
|
511 Vall_specifiers = specifier;
|
|
|
512
|
|
|
513 if (call_create_meth)
|
|
|
514 {
|
|
|
515 struct gcpro gcpro1;
|
|
|
516 GCPRO1 (specifier);
|
|
|
517 MAYBE_SPECMETH (XSPECIFIER (specifier), create, (specifier));
|
|
|
518 UNGCPRO;
|
|
|
519 }
|
|
|
520 return specifier;
|
|
|
521 }
|
|
|
522
|
|
|
523 static Lisp_Object
|
|
|
524 make_specifier (struct specifier_methods *meths)
|
|
|
525 {
|
|
|
526 return make_specifier_internal (meths, meths->extra_data_size, 1);
|
|
|
527 }
|
|
|
528
|
|
|
529 Lisp_Object
|
|
|
530 make_magic_specifier (Lisp_Object type)
|
|
|
531 {
|
|
|
532 /* This function can GC */
|
|
|
533 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
534 Lisp_Object bodily, ghost;
|
|
|
535 struct gcpro gcpro1;
|
|
|
536
|
|
|
537 bodily = make_specifier (meths);
|
|
|
538 GCPRO1 (bodily);
|
|
|
539 ghost = make_specifier_internal (meths, 0, 0);
|
|
|
540 UNGCPRO;
|
|
|
541
|
|
|
542 /* Connect guys together */
|
|
|
543 XSPECIFIER(bodily)->magic_parent = Qt;
|
|
|
544 XSPECIFIER(bodily)->fallback = ghost;
|
|
|
545 XSPECIFIER(ghost)->magic_parent = bodily;
|
|
|
546
|
|
|
547 return bodily;
|
|
|
548 }
|
|
|
549
|
|
|
550 DEFUN ("make-specifier", Fmake_specifier, 1, 1, 0, /*
|
|
|
551 Return a new specifier object of type TYPE.
|
|
|
552
|
|
|
553 A specifier is an object that can be used to keep track of a property
|
|
|
554 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
442
|
555 and can further be restricted to a particular console-type or
|
|
|
556 device-class. Specifiers are used, for example, for the various
|
|
|
557 built-in properties of a face; this allows a face to have different
|
|
|
558 values in different frames, buffers, etc.
|
|
|
559
|
|
|
560 When speaking of the value of a specifier, it is important to
|
|
|
561 distinguish between the *setting* of a specifier, called an
|
|
|
562 \"instantiator\", and the *actual value*, called an \"instance\". You
|
|
|
563 put various possible instantiators (i.e. settings) into a specifier
|
|
|
564 and associate them with particular locales (buffer, window, frame,
|
|
|
565 device, global), and then the instance (i.e. actual value) is
|
|
|
566 retrieved in a specific domain (window, frame, device) by looking
|
|
|
567 through the possible instantiators (i.e. settings). This process is
|
|
|
568 called \"instantiation\".
|
|
444
|
569
|
|
442
|
570 To put settings into a specifier, use `set-specifier', or the
|
|
|
571 lower-level functions `add-spec-to-specifier' and
|
|
|
572 `add-spec-list-to-specifier'. You can also temporarily bind a setting
|
|
|
573 to a specifier using `let-specifier'. To retrieve settings, use
|
|
|
574 `specifier-specs', or its lower-level counterpart
|
|
2953
|
575 `specifier-spec-list'.
|
|
|
576
|
|
|
577 To determine the actual value (i.e. the instance) in a particular domain, use
|
|
|
578 `specifier-instance'. To determine the corresponding setting that yielded
|
|
|
579 the value (i.e. the instantiator), use `specifier-instantiator'.
|
|
442
|
580
|
|
|
581 For more information, see `set-specifier', `specifier-instance',
|
|
428
|
582 `specifier-specs', and `add-spec-to-specifier'; or, for a detailed
|
|
442
|
583 description of specifiers, including how exactly the instantiation
|
|
|
584 process works, see the chapter on specifiers in the XEmacs Lisp
|
|
|
585 Reference Manual.
|
|
428
|
586
|
|
|
587 TYPE specifies the particular type of specifier, and should be one of
|
|
2953
|
588 the symbols `generic', `integer', `natnum', `boolean', `color', `font',
|
|
|
589 `image', `face-boolean', `display-table', `gutter', `gutter-size',
|
|
|
590 `gutter-visible' or `toolbar'.
|
|
442
|
591
|
|
|
592 For more information on particular types of specifiers, see the
|
|
|
593 functions `make-generic-specifier', `make-integer-specifier',
|
|
|
594 `make-natnum-specifier', `make-boolean-specifier',
|
|
|
595 `make-color-specifier', `make-font-specifier', `make-image-specifier',
|
|
|
596 `make-face-boolean-specifier', `make-gutter-size-specifier',
|
|
|
597 `make-gutter-visible-specifier', `default-toolbar', `default-gutter',
|
|
|
598 and `current-display-table'.
|
|
428
|
599 */
|
|
|
600 (type))
|
|
|
601 {
|
|
|
602 /* This function can GC */
|
|
442
|
603 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
428
|
604
|
|
|
605 return make_specifier (meths);
|
|
|
606 }
|
|
|
607
|
|
|
608 DEFUN ("specifierp", Fspecifierp, 1, 1, 0, /*
|
|
|
609 Return t if OBJECT is a specifier.
|
|
|
610
|
|
|
611 A specifier is an object that can be used to keep track of a property
|
|
|
612 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
|
613 and can further be restricted to a particular console-type or device-class.
|
|
|
614 See `make-specifier'.
|
|
|
615 */
|
|
|
616 (object))
|
|
|
617 {
|
|
|
618 return SPECIFIERP (object) ? Qt : Qnil;
|
|
|
619 }
|
|
|
620
|
|
|
621 DEFUN ("specifier-type", Fspecifier_type, 1, 1, 0, /*
|
|
|
622 Return the type of SPECIFIER.
|
|
|
623 */
|
|
|
624 (specifier))
|
|
|
625 {
|
|
|
626 CHECK_SPECIFIER (specifier);
|
|
|
627 return intern (XSPECIFIER (specifier)->methods->name);
|
|
|
628 }
|
|
|
629
|
|
|
630
|
|
|
631 /************************************************************************/
|
|
|
632 /* Locales and domains */
|
|
|
633 /************************************************************************/
|
|
|
634
|
|
|
635 DEFUN ("valid-specifier-locale-p", Fvalid_specifier_locale_p, 1, 1, 0, /*
|
|
|
636 Return t if LOCALE is a valid specifier locale.
|
|
2953
|
637 Valid locales are devices, frames, windows, buffers, and `global'.
|
|
428
|
638 \(nil is not valid.)
|
|
|
639 */
|
|
|
640 (locale))
|
|
|
641 {
|
|
|
642 /* This cannot GC. */
|
|
|
643 return ((DEVICEP (locale) && DEVICE_LIVE_P (XDEVICE (locale))) ||
|
|
|
644 (FRAMEP (locale) && FRAME_LIVE_P (XFRAME (locale))) ||
|
|
|
645 (BUFFERP (locale) && BUFFER_LIVE_P (XBUFFER (locale))) ||
|
|
|
646 /* dead windows are allowed because they may become live
|
|
|
647 windows again when a window configuration is restored */
|
|
|
648 WINDOWP (locale) ||
|
|
|
649 EQ (locale, Qglobal))
|
|
|
650 ? Qt : Qnil;
|
|
|
651 }
|
|
|
652
|
|
|
653 DEFUN ("valid-specifier-domain-p", Fvalid_specifier_domain_p, 1, 1, 0, /*
|
|
|
654 Return t if DOMAIN is a valid specifier domain.
|
|
2953
|
655 A domain is used to instantiate a specifier (i.e. determine the specifier's
|
|
442
|
656 value in that domain). Valid domains are image instances, windows, frames,
|
|
|
657 and devices. \(nil is not valid.) image instances are pseudo-domains since
|
|
|
658 instantiation will actually occur in the window the image instance itself is
|
|
|
659 instantiated in.
|
|
428
|
660 */
|
|
|
661 (domain))
|
|
|
662 {
|
|
|
663 /* This cannot GC. */
|
|
|
664 return ((DEVICEP (domain) && DEVICE_LIVE_P (XDEVICE (domain))) ||
|
|
|
665 (FRAMEP (domain) && FRAME_LIVE_P (XFRAME (domain))) ||
|
|
442
|
666 (WINDOWP (domain) && WINDOW_LIVE_P (XWINDOW (domain))) ||
|
|
|
667 /* #### get image instances out of domains! */
|
|
|
668 IMAGE_INSTANCEP (domain))
|
|
428
|
669 ? Qt : Qnil;
|
|
|
670 }
|
|
|
671
|
|
442
|
672 DEFUN ("valid-specifier-locale-type-p", Fvalid_specifier_locale_type_p, 1, 1, 0,
|
|
|
673 /*
|
|
428
|
674 Given a specifier LOCALE-TYPE, return non-nil if it is valid.
|
|
2953
|
675 Valid locale types are `global', `device', `frame', `window', and `buffer'.
|
|
428
|
676 \(Note, however, that in functions that accept either a locale or a locale
|
|
2953
|
677 type, `global' is considered an individual locale.)
|
|
428
|
678 */
|
|
|
679 (locale_type))
|
|
|
680 {
|
|
|
681 /* This cannot GC. */
|
|
|
682 return (EQ (locale_type, Qglobal) ||
|
|
|
683 EQ (locale_type, Qdevice) ||
|
|
|
684 EQ (locale_type, Qframe) ||
|
|
|
685 EQ (locale_type, Qwindow) ||
|
|
|
686 EQ (locale_type, Qbuffer)) ? Qt : Qnil;
|
|
|
687 }
|
|
|
688
|
|
|
689 static void
|
|
|
690 check_valid_locale_or_locale_type (Lisp_Object locale)
|
|
|
691 {
|
|
|
692 /* This cannot GC. */
|
|
|
693 if (EQ (locale, Qall) ||
|
|
|
694 !NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
695 !NILP (Fvalid_specifier_locale_type_p (locale)))
|
|
|
696 return;
|
|
563
|
697 invalid_argument ("Invalid specifier locale or locale type", locale);
|
|
428
|
698 }
|
|
|
699
|
|
|
700 DEFUN ("specifier-locale-type-from-locale", Fspecifier_locale_type_from_locale,
|
|
|
701 1, 1, 0, /*
|
|
|
702 Given a specifier LOCALE, return its type.
|
|
|
703 */
|
|
|
704 (locale))
|
|
|
705 {
|
|
|
706 /* This cannot GC. */
|
|
|
707 if (NILP (Fvalid_specifier_locale_p (locale)))
|
|
563
|
708 invalid_argument ("Invalid specifier locale",
|
|
442
|
709 locale);
|
|
428
|
710 if (DEVICEP (locale)) return Qdevice;
|
|
|
711 if (FRAMEP (locale)) return Qframe;
|
|
|
712 if (WINDOWP (locale)) return Qwindow;
|
|
|
713 if (BUFFERP (locale)) return Qbuffer;
|
|
|
714 assert (EQ (locale, Qglobal));
|
|
|
715 return Qglobal;
|
|
|
716 }
|
|
|
717
|
|
|
718 static Lisp_Object
|
|
|
719 decode_locale (Lisp_Object locale)
|
|
|
720 {
|
|
|
721 /* This cannot GC. */
|
|
|
722 if (NILP (locale))
|
|
|
723 return Qglobal;
|
|
|
724 else if (!NILP (Fvalid_specifier_locale_p (locale)))
|
|
|
725 return locale;
|
|
|
726 else
|
|
563
|
727 invalid_argument ("Invalid specifier locale",
|
|
442
|
728 locale);
|
|
428
|
729
|
|
|
730 return Qnil;
|
|
|
731 }
|
|
|
732
|
|
|
733 static enum spec_locale_type
|
|
|
734 decode_locale_type (Lisp_Object locale_type)
|
|
|
735 {
|
|
|
736 /* This cannot GC. */
|
|
|
737 if (EQ (locale_type, Qglobal)) return LOCALE_GLOBAL;
|
|
|
738 if (EQ (locale_type, Qdevice)) return LOCALE_DEVICE;
|
|
|
739 if (EQ (locale_type, Qframe)) return LOCALE_FRAME;
|
|
|
740 if (EQ (locale_type, Qwindow)) return LOCALE_WINDOW;
|
|
|
741 if (EQ (locale_type, Qbuffer)) return LOCALE_BUFFER;
|
|
|
742
|
|
563
|
743 invalid_argument ("Invalid specifier locale type",
|
|
442
|
744 locale_type);
|
|
1204
|
745 RETURN_NOT_REACHED (LOCALE_GLOBAL);
|
|
428
|
746 }
|
|
|
747
|
|
|
748 Lisp_Object
|
|
|
749 decode_locale_list (Lisp_Object locale)
|
|
|
750 {
|
|
|
751 /* This cannot GC. */
|
|
|
752 /* The return value of this function must be GCPRO'd. */
|
|
|
753 if (NILP (locale))
|
|
|
754 {
|
|
|
755 return list1 (Qall);
|
|
|
756 }
|
|
|
757 else if (CONSP (locale))
|
|
|
758 {
|
|
|
759 EXTERNAL_LIST_LOOP_2 (elt, locale)
|
|
|
760 check_valid_locale_or_locale_type (elt);
|
|
|
761 return locale;
|
|
|
762 }
|
|
|
763 else
|
|
|
764 {
|
|
|
765 check_valid_locale_or_locale_type (locale);
|
|
|
766 return list1 (locale);
|
|
|
767 }
|
|
|
768 }
|
|
|
769
|
|
|
770 static enum spec_locale_type
|
|
|
771 locale_type_from_locale (Lisp_Object locale)
|
|
|
772 {
|
|
|
773 return decode_locale_type (Fspecifier_locale_type_from_locale (locale));
|
|
|
774 }
|
|
|
775
|
|
|
776 static void
|
|
|
777 check_valid_domain (Lisp_Object domain)
|
|
|
778 {
|
|
|
779 if (NILP (Fvalid_specifier_domain_p (domain)))
|
|
563
|
780 invalid_argument ("Invalid specifier domain",
|
|
442
|
781 domain);
|
|
428
|
782 }
|
|
|
783
|
|
442
|
784 Lisp_Object
|
|
428
|
785 decode_domain (Lisp_Object domain)
|
|
|
786 {
|
|
|
787 if (NILP (domain))
|
|
|
788 return Fselected_window (Qnil);
|
|
|
789 check_valid_domain (domain);
|
|
|
790 return domain;
|
|
|
791 }
|
|
|
792
|
|
|
793
|
|
|
794 /************************************************************************/
|
|
|
795 /* Tags */
|
|
|
796 /************************************************************************/
|
|
|
797
|
|
|
798 DEFUN ("valid-specifier-tag-p", Fvalid_specifier_tag_p, 1, 1, 0, /*
|
|
|
799 Return non-nil if TAG is a valid specifier tag.
|
|
|
800 See also `valid-specifier-tag-set-p'.
|
|
|
801 */
|
|
|
802 (tag))
|
|
|
803 {
|
|
|
804 return (valid_console_type_p (tag) ||
|
|
|
805 valid_device_class_p (tag) ||
|
|
|
806 !NILP (assq_no_quit (tag, Vuser_defined_tags))) ? Qt : Qnil;
|
|
|
807 }
|
|
|
808
|
|
|
809 DEFUN ("valid-specifier-tag-set-p", Fvalid_specifier_tag_set_p, 1, 1, 0, /*
|
|
|
810 Return non-nil if TAG-SET is a valid specifier tag set.
|
|
|
811
|
|
|
812 A specifier tag set is an entity that is attached to an instantiator
|
|
|
813 and can be used to restrict the scope of that instantiator to a
|
|
|
814 particular device class or device type and/or to mark instantiators
|
|
|
815 added by a particular package so that they can be later removed.
|
|
|
816
|
|
|
817 A specifier tag set consists of a list of zero of more specifier tags,
|
|
|
818 each of which is a symbol that is recognized by XEmacs as a tag.
|
|
|
819 \(The valid device types and device classes are always tags, as are
|
|
|
820 any tags defined by `define-specifier-tag'.) It is called a "tag set"
|
|
|
821 \(as opposed to a list) because the order of the tags or the number of
|
|
|
822 times a particular tag occurs does not matter.
|
|
|
823
|
|
|
824 Each tag has a predicate associated with it, which specifies whether
|
|
|
825 that tag applies to a particular device. The tags which are device types
|
|
|
826 and classes match devices of that type or class. User-defined tags can
|
|
|
827 have any predicate, or none (meaning that all devices match). When
|
|
2953
|
828 attempting to instantiate a specifier, a particular instantiator is only
|
|
|
829 considered if the device of the domain being instantiated over matches
|
|
428
|
830 all tags in the tag set attached to that instantiator.
|
|
|
831
|
|
|
832 Most of the time, a tag set is not specified, and the instantiator
|
|
|
833 gets a null tag set, which matches all devices.
|
|
|
834 */
|
|
|
835 (tag_set))
|
|
|
836 {
|
|
|
837 Lisp_Object rest;
|
|
|
838
|
|
|
839 for (rest = tag_set; !NILP (rest); rest = XCDR (rest))
|
|
|
840 {
|
|
|
841 if (!CONSP (rest))
|
|
|
842 return Qnil;
|
|
|
843 if (NILP (Fvalid_specifier_tag_p (XCAR (rest))))
|
|
|
844 return Qnil;
|
|
|
845 QUIT;
|
|
|
846 }
|
|
|
847 return Qt;
|
|
|
848 }
|
|
|
849
|
|
|
850 Lisp_Object
|
|
|
851 decode_specifier_tag_set (Lisp_Object tag_set)
|
|
|
852 {
|
|
|
853 /* The return value of this function must be GCPRO'd. */
|
|
|
854 if (!NILP (Fvalid_specifier_tag_p (tag_set)))
|
|
|
855 return list1 (tag_set);
|
|
|
856 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
857 invalid_argument ("Invalid specifier tag-set",
|
|
442
|
858 tag_set);
|
|
428
|
859 return tag_set;
|
|
|
860 }
|
|
|
861
|
|
|
862 static Lisp_Object
|
|
|
863 canonicalize_tag_set (Lisp_Object tag_set)
|
|
|
864 {
|
|
|
865 int len = XINT (Flength (tag_set));
|
|
|
866 Lisp_Object *tags, rest;
|
|
|
867 int i, j;
|
|
|
868
|
|
|
869 /* We assume in this function that the tag_set has already been
|
|
|
870 validated, so there are no surprises. */
|
|
|
871
|
|
|
872 if (len == 0 || len == 1)
|
|
|
873 /* most common case */
|
|
|
874 return tag_set;
|
|
|
875
|
|
|
876 tags = alloca_array (Lisp_Object, len);
|
|
|
877
|
|
|
878 i = 0;
|
|
|
879 LIST_LOOP (rest, tag_set)
|
|
|
880 tags[i++] = XCAR (rest);
|
|
|
881
|
|
|
882 /* Sort the list of tags. We use a bubble sort here (copied from
|
|
|
883 extent_fragment_update()) -- reduces the function call overhead,
|
|
|
884 and is the fastest sort for small numbers of items. */
|
|
|
885
|
|
|
886 for (i = 1; i < len; i++)
|
|
|
887 {
|
|
|
888 j = i - 1;
|
|
|
889 while (j >= 0 &&
|
|
793
|
890 qxestrcmp (XSTRING_DATA (XSYMBOL (tags[j])->name),
|
|
|
891 XSTRING_DATA (XSYMBOL (tags[j+1])->name)) > 0)
|
|
428
|
892 {
|
|
|
893 Lisp_Object tmp = tags[j];
|
|
|
894 tags[j] = tags[j+1];
|
|
|
895 tags[j+1] = tmp;
|
|
|
896 j--;
|
|
|
897 }
|
|
|
898 }
|
|
|
899
|
|
|
900 /* Now eliminate duplicates. */
|
|
|
901
|
|
|
902 for (i = 1, j = 1; i < len; i++)
|
|
|
903 {
|
|
|
904 /* j holds the destination, i the source. */
|
|
|
905 if (!EQ (tags[i], tags[i-1]))
|
|
|
906 tags[j++] = tags[i];
|
|
|
907 }
|
|
|
908
|
|
|
909 return Flist (j, tags);
|
|
|
910 }
|
|
|
911
|
|
|
912 DEFUN ("canonicalize-tag-set", Fcanonicalize_tag_set, 1, 1, 0, /*
|
|
|
913 Canonicalize the given tag set.
|
|
|
914 Two canonicalized tag sets can be compared with `equal' to see if they
|
|
|
915 represent the same tag set. (Specifically, canonicalizing involves
|
|
|
916 sorting by symbol name and removing duplicates.)
|
|
|
917 */
|
|
|
918 (tag_set))
|
|
|
919 {
|
|
|
920 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
921 invalid_argument ("Invalid tag set", tag_set);
|
|
428
|
922 return canonicalize_tag_set (tag_set);
|
|
|
923 }
|
|
|
924
|
|
|
925 static int
|
|
|
926 device_matches_specifier_tag_set_p (Lisp_Object device, Lisp_Object tag_set)
|
|
|
927 {
|
|
|
928 Lisp_Object devtype, devclass, rest;
|
|
|
929 struct device *d = XDEVICE (device);
|
|
|
930
|
|
|
931 devtype = DEVICE_TYPE (d);
|
|
|
932 devclass = DEVICE_CLASS (d);
|
|
|
933
|
|
|
934 LIST_LOOP (rest, tag_set)
|
|
|
935 {
|
|
|
936 Lisp_Object tag = XCAR (rest);
|
|
|
937 Lisp_Object assoc;
|
|
|
938
|
|
|
939 if (EQ (tag, devtype) || EQ (tag, devclass))
|
|
|
940 continue;
|
|
|
941 assoc = assq_no_quit (tag, DEVICE_USER_DEFINED_TAGS (d));
|
|
|
942 /* other built-in tags (device types/classes) are not in
|
|
|
943 the user-defined-tags list. */
|
|
|
944 if (NILP (assoc) || NILP (XCDR (assoc)))
|
|
|
945 return 0;
|
|
|
946 }
|
|
|
947
|
|
|
948 return 1;
|
|
|
949 }
|
|
|
950
|
|
442
|
951 DEFUN ("device-matches-specifier-tag-set-p",
|
|
|
952 Fdevice_matches_specifier_tag_set_p, 2, 2, 0, /*
|
|
428
|
953 Return non-nil if DEVICE matches specifier tag set TAG-SET.
|
|
|
954 This means that DEVICE matches each tag in the tag set. (Every
|
|
|
955 tag recognized by XEmacs has a predicate associated with it that
|
|
|
956 specifies which devices match it.)
|
|
|
957 */
|
|
|
958 (device, tag_set))
|
|
|
959 {
|
|
|
960 CHECK_LIVE_DEVICE (device);
|
|
|
961
|
|
|
962 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
963 invalid_argument ("Invalid tag set", tag_set);
|
|
428
|
964
|
|
|
965 return device_matches_specifier_tag_set_p (device, tag_set) ? Qt : Qnil;
|
|
|
966 }
|
|
|
967
|
|
|
968 DEFUN ("define-specifier-tag", Fdefine_specifier_tag, 1, 2, 0, /*
|
|
|
969 Define a new specifier tag.
|
|
|
970 If PREDICATE is specified, it should be a function of one argument
|
|
|
971 \(a device) that specifies whether the tag matches that particular
|
|
|
972 device. If PREDICATE is omitted, the tag matches all devices.
|
|
|
973
|
|
|
974 You can redefine an existing user-defined specifier tag. However,
|
|
|
975 you cannot redefine the built-in specifier tags (the device types
|
|
2953
|
976 and classes) or the symbols nil, t, `all', or `global'.
|
|
428
|
977 */
|
|
|
978 (tag, predicate))
|
|
|
979 {
|
|
|
980 Lisp_Object assoc, devcons, concons;
|
|
|
981 int recompute = 0;
|
|
|
982
|
|
|
983 CHECK_SYMBOL (tag);
|
|
|
984 if (valid_device_class_p (tag) ||
|
|
|
985 valid_console_type_p (tag))
|
|
563
|
986 invalid_change ("Cannot redefine built-in specifier tags", tag);
|
|
428
|
987 /* Try to prevent common instantiators and locales from being
|
|
|
988 redefined, to reduce ambiguity */
|
|
|
989 if (NILP (tag) || EQ (tag, Qt) || EQ (tag, Qall) || EQ (tag, Qglobal))
|
|
2953
|
990 invalid_change ("Cannot define nil, t, `all', or `global'", tag);
|
|
428
|
991 assoc = assq_no_quit (tag, Vuser_defined_tags);
|
|
|
992 if (NILP (assoc))
|
|
|
993 {
|
|
|
994 recompute = 1;
|
|
|
995 Vuser_defined_tags = Fcons (Fcons (tag, predicate), Vuser_defined_tags);
|
|
|
996 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
997 {
|
|
|
998 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
999 /* Initially set the value to t in case of error
|
|
|
1000 in predicate */
|
|
|
1001 DEVICE_USER_DEFINED_TAGS (d) =
|
|
|
1002 Fcons (Fcons (tag, Qt), DEVICE_USER_DEFINED_TAGS (d));
|
|
|
1003 }
|
|
|
1004 }
|
|
|
1005 else if (!NILP (predicate) && !NILP (XCDR (assoc)))
|
|
|
1006 {
|
|
|
1007 recompute = 1;
|
|
|
1008 XCDR (assoc) = predicate;
|
|
|
1009 }
|
|
|
1010
|
|
|
1011 /* recompute the tag values for all devices. However, in the special
|
|
|
1012 case where both the old and new predicates are nil, we know that
|
|
|
1013 we don't have to do this. (It's probably common for people to
|
|
|
1014 call (define-specifier-tag) more than once on the same tag,
|
|
|
1015 and the most common case is where PREDICATE is not specified.) */
|
|
|
1016
|
|
|
1017 if (recompute)
|
|
|
1018 {
|
|
|
1019 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1020 {
|
|
|
1021 Lisp_Object device = XCAR (devcons);
|
|
|
1022 assoc = assq_no_quit (tag,
|
|
|
1023 DEVICE_USER_DEFINED_TAGS (XDEVICE (device)));
|
|
|
1024 assert (CONSP (assoc));
|
|
|
1025 if (NILP (predicate))
|
|
|
1026 XCDR (assoc) = Qt;
|
|
|
1027 else
|
|
|
1028 XCDR (assoc) = !NILP (call1 (predicate, device)) ? Qt : Qnil;
|
|
|
1029 }
|
|
|
1030 }
|
|
|
1031
|
|
|
1032 return Qnil;
|
|
|
1033 }
|
|
|
1034
|
|
|
1035 /* Called at device-creation time to initialize the user-defined
|
|
|
1036 tag values for the newly-created device. */
|
|
|
1037
|
|
|
1038 void
|
|
|
1039 setup_device_initial_specifier_tags (struct device *d)
|
|
|
1040 {
|
|
|
1041 Lisp_Object rest, rest2;
|
|
793
|
1042 Lisp_Object device = wrap_device (d);
|
|
|
1043
|
|
428
|
1044 DEVICE_USER_DEFINED_TAGS (d) = Fcopy_alist (Vuser_defined_tags);
|
|
|
1045
|
|
|
1046 /* Now set up the initial values */
|
|
|
1047 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
1048 XCDR (XCAR (rest)) = Qt;
|
|
|
1049
|
|
|
1050 for (rest = Vuser_defined_tags, rest2 = DEVICE_USER_DEFINED_TAGS (d);
|
|
|
1051 !NILP (rest); rest = XCDR (rest), rest2 = XCDR (rest2))
|
|
|
1052 {
|
|
|
1053 Lisp_Object predicate = XCDR (XCAR (rest));
|
|
|
1054 if (NILP (predicate))
|
|
|
1055 XCDR (XCAR (rest2)) = Qt;
|
|
|
1056 else
|
|
872
|
1057 XCDR (XCAR (rest2)) =
|
|
|
1058 !NILP (call_critical_lisp_code (d, predicate, device)) ? Qt : Qnil;
|
|
428
|
1059 }
|
|
|
1060 }
|
|
|
1061
|
|
442
|
1062 DEFUN ("device-matching-specifier-tag-list",
|
|
|
1063 Fdevice_matching_specifier_tag_list,
|
|
428
|
1064 0, 1, 0, /*
|
|
|
1065 Return a list of all specifier tags matching DEVICE.
|
|
|
1066 DEVICE defaults to the selected device if omitted.
|
|
|
1067 */
|
|
|
1068 (device))
|
|
|
1069 {
|
|
|
1070 struct device *d = decode_device (device);
|
|
|
1071 Lisp_Object rest, list = Qnil;
|
|
|
1072 struct gcpro gcpro1;
|
|
|
1073
|
|
|
1074 GCPRO1 (list);
|
|
|
1075
|
|
|
1076 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
1077 {
|
|
|
1078 if (!NILP (XCDR (XCAR (rest))))
|
|
|
1079 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 list = Fnreverse (list);
|
|
|
1083 list = Fcons (DEVICE_CLASS (d), list);
|
|
|
1084 list = Fcons (DEVICE_TYPE (d), list);
|
|
|
1085
|
|
|
1086 RETURN_UNGCPRO (list);
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 DEFUN ("specifier-tag-list", Fspecifier_tag_list, 0, 0, 0, /*
|
|
|
1090 Return a list of all currently-defined specifier tags.
|
|
|
1091 This includes the built-in ones (the device types and classes).
|
|
|
1092 */
|
|
|
1093 ())
|
|
|
1094 {
|
|
|
1095 Lisp_Object list = Qnil, rest;
|
|
|
1096 struct gcpro gcpro1;
|
|
|
1097
|
|
|
1098 GCPRO1 (list);
|
|
|
1099
|
|
|
1100 LIST_LOOP (rest, Vuser_defined_tags)
|
|
|
1101 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
1102
|
|
|
1103 list = Fnreverse (list);
|
|
|
1104 list = nconc2 (Fcopy_sequence (Vdevice_class_list), list);
|
|
|
1105 list = nconc2 (Fcopy_sequence (Vconsole_type_list), list);
|
|
|
1106
|
|
|
1107 RETURN_UNGCPRO (list);
|
|
|
1108 }
|
|
|
1109
|
|
|
1110 DEFUN ("specifier-tag-predicate", Fspecifier_tag_predicate, 1, 1, 0, /*
|
|
|
1111 Return the predicate for the given specifier tag.
|
|
|
1112 */
|
|
|
1113 (tag))
|
|
|
1114 {
|
|
|
1115 /* The return value of this function must be GCPRO'd. */
|
|
|
1116 CHECK_SYMBOL (tag);
|
|
|
1117
|
|
|
1118 if (NILP (Fvalid_specifier_tag_p (tag)))
|
|
563
|
1119 invalid_argument ("Invalid specifier tag",
|
|
442
|
1120 tag);
|
|
428
|
1121
|
|
|
1122 /* Make up some predicates for the built-in types */
|
|
|
1123
|
|
|
1124 if (valid_console_type_p (tag))
|
|
|
1125 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1126 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1127 list2 (Qconsole_type, Qdevice)));
|
|
|
1128
|
|
|
1129 if (valid_device_class_p (tag))
|
|
|
1130 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1131 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1132 list2 (Qdevice_class, Qdevice)));
|
|
|
1133
|
|
|
1134 return XCDR (assq_no_quit (tag, Vuser_defined_tags));
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 /* Return true if A "matches" B. If EXACT_P is 0, A must be a subset of B.
|
|
|
1138 Otherwise, A must be `equal' to B. The sets must be canonicalized. */
|
|
|
1139 static int
|
|
|
1140 tag_sets_match_p (Lisp_Object a, Lisp_Object b, int exact_p)
|
|
|
1141 {
|
|
|
1142 if (!exact_p)
|
|
|
1143 {
|
|
|
1144 while (!NILP (a) && !NILP (b))
|
|
|
1145 {
|
|
|
1146 if (EQ (XCAR (a), XCAR (b)))
|
|
|
1147 a = XCDR (a);
|
|
|
1148 b = XCDR (b);
|
|
|
1149 }
|
|
|
1150
|
|
|
1151 return NILP (a);
|
|
|
1152 }
|
|
|
1153 else
|
|
|
1154 {
|
|
|
1155 while (!NILP (a) && !NILP (b))
|
|
|
1156 {
|
|
|
1157 if (!EQ (XCAR (a), XCAR (b)))
|
|
|
1158 return 0;
|
|
|
1159 a = XCDR (a);
|
|
|
1160 b = XCDR (b);
|
|
|
1161 }
|
|
|
1162
|
|
|
1163 return NILP (a) && NILP (b);
|
|
|
1164 }
|
|
|
1165 }
|
|
|
1166
|
|
|
1167
|
|
|
1168 /************************************************************************/
|
|
|
1169 /* Spec-lists and inst-lists */
|
|
|
1170 /************************************************************************/
|
|
|
1171
|
|
|
1172 static Lisp_Object
|
|
|
1173 call_validate_method (Lisp_Object boxed_method, Lisp_Object instantiator)
|
|
|
1174 {
|
|
|
1175 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (instantiator);
|
|
|
1176 return Qt;
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 static Lisp_Object
|
|
|
1180 check_valid_instantiator (Lisp_Object instantiator,
|
|
|
1181 struct specifier_methods *meths,
|
|
578
|
1182 Error_Behavior errb)
|
|
428
|
1183 {
|
|
|
1184 if (meths->validate_method)
|
|
|
1185 {
|
|
|
1186 Lisp_Object retval;
|
|
|
1187
|
|
|
1188 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
1189 {
|
|
|
1190 (meths->validate_method) (instantiator);
|
|
|
1191 retval = Qt;
|
|
|
1192 }
|
|
|
1193 else
|
|
|
1194 {
|
|
|
1195 Lisp_Object opaque = make_opaque_ptr ((void *)
|
|
|
1196 meths->validate_method);
|
|
|
1197 struct gcpro gcpro1;
|
|
|
1198
|
|
|
1199 GCPRO1 (opaque);
|
|
|
1200 retval = call_with_suspended_errors
|
|
|
1201 ((lisp_fn_t) call_validate_method,
|
|
|
1202 Qnil, Qspecifier, errb, 2, opaque, instantiator);
|
|
|
1203
|
|
|
1204 free_opaque_ptr (opaque);
|
|
|
1205 UNGCPRO;
|
|
|
1206 }
|
|
|
1207
|
|
|
1208 return retval;
|
|
|
1209 }
|
|
|
1210 return Qt;
|
|
|
1211 }
|
|
|
1212
|
|
|
1213 DEFUN ("check-valid-instantiator", Fcheck_valid_instantiator, 2, 2, 0, /*
|
|
|
1214 Signal an error if INSTANTIATOR is invalid for SPECIFIER-TYPE.
|
|
|
1215 */
|
|
|
1216 (instantiator, specifier_type))
|
|
|
1217 {
|
|
|
1218 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1219 ERROR_ME);
|
|
|
1220
|
|
|
1221 return check_valid_instantiator (instantiator, meths, ERROR_ME);
|
|
|
1222 }
|
|
|
1223
|
|
|
1224 DEFUN ("valid-instantiator-p", Fvalid_instantiator_p, 2, 2, 0, /*
|
|
|
1225 Return non-nil if INSTANTIATOR is valid for SPECIFIER-TYPE.
|
|
|
1226 */
|
|
|
1227 (instantiator, specifier_type))
|
|
|
1228 {
|
|
|
1229 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1230 ERROR_ME);
|
|
|
1231
|
|
|
1232 return check_valid_instantiator (instantiator, meths, ERROR_ME_NOT);
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 static Lisp_Object
|
|
|
1236 check_valid_inst_list (Lisp_Object inst_list, struct specifier_methods *meths,
|
|
578
|
1237 Error_Behavior errb)
|
|
428
|
1238 {
|
|
2159
|
1239 EXTERNAL_LIST_LOOP_2 (inst_pair, inst_list)
|
|
428
|
1240 {
|
|
2159
|
1241 Lisp_Object tag_set;
|
|
|
1242
|
|
|
1243 if (!CONSP (inst_pair))
|
|
428
|
1244 {
|
|
563
|
1245 maybe_sferror (
|
|
442
|
1246 "Invalid instantiator pair", inst_pair,
|
|
428
|
1247 Qspecifier, errb);
|
|
|
1248 return Qnil;
|
|
|
1249 }
|
|
|
1250 if (NILP (Fvalid_specifier_tag_set_p (tag_set = XCAR (inst_pair))))
|
|
|
1251 {
|
|
563
|
1252 maybe_invalid_argument (
|
|
442
|
1253 "Invalid specifier tag", tag_set,
|
|
428
|
1254 Qspecifier, errb);
|
|
|
1255 return Qnil;
|
|
|
1256 }
|
|
|
1257
|
|
|
1258 if (NILP (check_valid_instantiator (XCDR (inst_pair), meths, errb)))
|
|
|
1259 return Qnil;
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 return Qt;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 DEFUN ("check-valid-inst-list", Fcheck_valid_inst_list, 2, 2, 0, /*
|
|
|
1266 Signal an error if INST-LIST is invalid for specifier type TYPE.
|
|
|
1267 */
|
|
|
1268 (inst_list, type))
|
|
|
1269 {
|
|
|
1270 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1271
|
|
|
1272 return check_valid_inst_list (inst_list, meths, ERROR_ME);
|
|
|
1273 }
|
|
|
1274
|
|
|
1275 DEFUN ("valid-inst-list-p", Fvalid_inst_list_p, 2, 2, 0, /*
|
|
|
1276 Return non-nil if INST-LIST is valid for specifier type TYPE.
|
|
|
1277 */
|
|
|
1278 (inst_list, type))
|
|
|
1279 {
|
|
|
1280 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1281
|
|
|
1282 return check_valid_inst_list (inst_list, meths, ERROR_ME_NOT);
|
|
|
1283 }
|
|
|
1284
|
|
|
1285 static Lisp_Object
|
|
|
1286 check_valid_spec_list (Lisp_Object spec_list, struct specifier_methods *meths,
|
|
578
|
1287 Error_Behavior errb)
|
|
428
|
1288 {
|
|
2159
|
1289 EXTERNAL_LIST_LOOP_2 (spec, spec_list)
|
|
428
|
1290 {
|
|
2159
|
1291 Lisp_Object locale;
|
|
|
1292 if (!CONSP (spec))
|
|
428
|
1293 {
|
|
563
|
1294 maybe_sferror (
|
|
442
|
1295 "Invalid specification list", spec_list,
|
|
428
|
1296 Qspecifier, errb);
|
|
|
1297 return Qnil;
|
|
|
1298 }
|
|
|
1299 if (NILP (Fvalid_specifier_locale_p (locale = XCAR (spec))))
|
|
|
1300 {
|
|
563
|
1301 maybe_invalid_argument (
|
|
442
|
1302 "Invalid specifier locale", locale,
|
|
428
|
1303 Qspecifier, errb);
|
|
|
1304 return Qnil;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 if (NILP (check_valid_inst_list (XCDR (spec), meths, errb)))
|
|
|
1308 return Qnil;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 return Qt;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314 DEFUN ("check-valid-spec-list", Fcheck_valid_spec_list, 2, 2, 0, /*
|
|
|
1315 Signal an error if SPEC-LIST is invalid for specifier type TYPE.
|
|
|
1316 */
|
|
|
1317 (spec_list, type))
|
|
|
1318 {
|
|
|
1319 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1320
|
|
|
1321 return check_valid_spec_list (spec_list, meths, ERROR_ME);
|
|
|
1322 }
|
|
|
1323
|
|
|
1324 DEFUN ("valid-spec-list-p", Fvalid_spec_list_p, 2, 2, 0, /*
|
|
|
1325 Return non-nil if SPEC-LIST is valid for specifier type TYPE.
|
|
|
1326 */
|
|
|
1327 (spec_list, type))
|
|
|
1328 {
|
|
|
1329 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1330
|
|
|
1331 return check_valid_spec_list (spec_list, meths, ERROR_ME_NOT);
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 enum spec_add_meth
|
|
|
1335 decode_how_to_add_specification (Lisp_Object how_to_add)
|
|
|
1336 {
|
|
|
1337 if (NILP (how_to_add) || EQ (Qremove_tag_set_prepend, how_to_add))
|
|
|
1338 return SPEC_REMOVE_TAG_SET_PREPEND;
|
|
|
1339 if (EQ (Qremove_tag_set_append, how_to_add))
|
|
|
1340 return SPEC_REMOVE_TAG_SET_APPEND;
|
|
|
1341 if (EQ (Qappend, how_to_add))
|
|
|
1342 return SPEC_APPEND;
|
|
|
1343 if (EQ (Qprepend, how_to_add))
|
|
|
1344 return SPEC_PREPEND;
|
|
|
1345 if (EQ (Qremove_locale, how_to_add))
|
|
|
1346 return SPEC_REMOVE_LOCALE;
|
|
|
1347 if (EQ (Qremove_locale_type, how_to_add))
|
|
|
1348 return SPEC_REMOVE_LOCALE_TYPE;
|
|
|
1349 if (EQ (Qremove_all, how_to_add))
|
|
|
1350 return SPEC_REMOVE_ALL;
|
|
|
1351
|
|
563
|
1352 invalid_constant ("Invalid `how-to-add' flag", how_to_add);
|
|
428
|
1353
|
|
1204
|
1354 RETURN_NOT_REACHED (SPEC_PREPEND);
|
|
428
|
1355 }
|
|
|
1356
|
|
|
1357 /* Given a specifier object SPEC, return bodily specifier if SPEC is a
|
|
|
1358 ghost specifier, otherwise return the object itself
|
|
|
1359 */
|
|
|
1360 static Lisp_Object
|
|
|
1361 bodily_specifier (Lisp_Object spec)
|
|
|
1362 {
|
|
|
1363 return (GHOST_SPECIFIER_P (XSPECIFIER (spec))
|
|
|
1364 ? XSPECIFIER(spec)->magic_parent : spec);
|
|
|
1365 }
|
|
|
1366
|
|
|
1367 /* Signal error if (specifier SPEC is read-only.
|
|
|
1368 Read only are ghost specifiers unless Vunlock_ghost_specifiers is
|
|
|
1369 non-nil. All other specifiers are read-write.
|
|
|
1370 */
|
|
|
1371 static void
|
|
|
1372 check_modifiable_specifier (Lisp_Object spec)
|
|
|
1373 {
|
|
|
1374 if (NILP (Vunlock_ghost_specifiers)
|
|
|
1375 && GHOST_SPECIFIER_P (XSPECIFIER (spec)))
|
|
563
|
1376 signal_error (Qsetting_constant,
|
|
|
1377 "Attempt to modify read-only specifier",
|
|
|
1378 spec);
|
|
428
|
1379 }
|
|
|
1380
|
|
|
1381 int
|
|
|
1382 unlock_ghost_specifiers_protected (void)
|
|
|
1383 {
|
|
853
|
1384 return internal_bind_lisp_object (&Vunlock_ghost_specifiers, Qt);
|
|
428
|
1385 }
|
|
|
1386
|
|
|
1387 /* This gets hit so much that the function call overhead had a
|
|
|
1388 measurable impact (according to Quantify). #### We should figure
|
|
|
1389 out the frequency with which this is called with the various types
|
|
|
1390 and reorder the check accordingly. */
|
|
|
1391 #define SPECIFIER_GET_SPEC_LIST(specifier, type) \
|
|
|
1392 (type == LOCALE_GLOBAL ? &(XSPECIFIER (specifier)->global_specs) : \
|
|
|
1393 type == LOCALE_DEVICE ? &(XSPECIFIER (specifier)->device_specs) : \
|
|
|
1394 type == LOCALE_FRAME ? &(XSPECIFIER (specifier)->frame_specs) : \
|
|
|
1395 type == LOCALE_WINDOW ? &(XWEAK_LIST_LIST \
|
|
|
1396 (XSPECIFIER (specifier)->window_specs)) : \
|
|
|
1397 type == LOCALE_BUFFER ? &(XSPECIFIER (specifier)->buffer_specs) : \
|
|
|
1398 0)
|
|
|
1399
|
|
|
1400 static Lisp_Object *
|
|
|
1401 specifier_get_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1402 enum spec_locale_type type)
|
|
|
1403 {
|
|
|
1404 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1405 Lisp_Object specification;
|
|
|
1406
|
|
|
1407 if (type == LOCALE_GLOBAL)
|
|
|
1408 return spec_list;
|
|
|
1409 /* Calling assq_no_quit when it is just going to return nil anyhow
|
|
|
1410 is extremely expensive. So sayeth Quantify. */
|
|
|
1411 if (!CONSP (*spec_list))
|
|
|
1412 return 0;
|
|
|
1413 specification = assq_no_quit (locale, *spec_list);
|
|
|
1414 if (NILP (specification))
|
|
|
1415 return 0;
|
|
|
1416 return &XCDR (specification);
|
|
|
1417 }
|
|
|
1418
|
|
|
1419 /* For the given INST_LIST, return a new INST_LIST containing all elements
|
|
|
1420 where TAG-SET matches the element's tag set. EXACT_P indicates whether
|
|
|
1421 the match must be exact (as opposed to a subset). SHORT_P indicates
|
|
|
1422 that the short form (for `specifier-specs') should be returned if
|
|
|
1423 possible. If COPY_TREE_P, `copy-tree' is used to ensure that no
|
|
|
1424 elements of the new list are shared with the initial list.
|
|
|
1425 */
|
|
|
1426
|
|
|
1427 static Lisp_Object
|
|
|
1428 specifier_process_inst_list (Lisp_Object inst_list,
|
|
|
1429 Lisp_Object tag_set, int exact_p,
|
|
|
1430 int short_p, int copy_tree_p)
|
|
|
1431 {
|
|
|
1432 Lisp_Object retval = Qnil;
|
|
|
1433 Lisp_Object rest;
|
|
|
1434 struct gcpro gcpro1;
|
|
|
1435
|
|
|
1436 GCPRO1 (retval);
|
|
|
1437 LIST_LOOP (rest, inst_list)
|
|
|
1438 {
|
|
|
1439 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
1440 Lisp_Object tagged_inst_tag = XCAR (tagged_inst);
|
|
|
1441 if (tag_sets_match_p (tag_set, tagged_inst_tag, exact_p))
|
|
|
1442 {
|
|
|
1443 if (short_p && NILP (tagged_inst_tag))
|
|
|
1444 retval = Fcons (copy_tree_p ?
|
|
|
1445 Fcopy_tree (XCDR (tagged_inst), Qt) :
|
|
|
1446 XCDR (tagged_inst),
|
|
|
1447 retval);
|
|
|
1448 else
|
|
|
1449 retval = Fcons (copy_tree_p ? Fcopy_tree (tagged_inst, Qt) :
|
|
|
1450 tagged_inst, retval);
|
|
|
1451 }
|
|
|
1452 }
|
|
|
1453 retval = Fnreverse (retval);
|
|
|
1454 UNGCPRO;
|
|
|
1455 /* If there is a single instantiator and the short form is
|
|
|
1456 requested, return just the instantiator (rather than a one-element
|
|
|
1457 list of it) unless it is nil (so that it can be distinguished from
|
|
|
1458 no instantiators at all). */
|
|
|
1459 if (short_p && CONSP (retval) && !NILP (XCAR (retval)) &&
|
|
|
1460 NILP (XCDR (retval)))
|
|
|
1461 return XCAR (retval);
|
|
|
1462 else
|
|
|
1463 return retval;
|
|
|
1464 }
|
|
|
1465
|
|
|
1466 static Lisp_Object
|
|
|
1467 specifier_get_external_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1468 enum spec_locale_type type,
|
|
|
1469 Lisp_Object tag_set, int exact_p,
|
|
|
1470 int short_p, int copy_tree_p)
|
|
|
1471 {
|
|
|
1472 Lisp_Object *inst_list = specifier_get_inst_list (specifier, locale,
|
|
|
1473 type);
|
|
|
1474 if (!inst_list || NILP (*inst_list))
|
|
|
1475 {
|
|
2953
|
1476 /* nil for *inst_list should only occur in `global' */
|
|
428
|
1477 assert (!inst_list || EQ (locale, Qglobal));
|
|
|
1478 return Qnil;
|
|
|
1479 }
|
|
|
1480
|
|
|
1481 return specifier_process_inst_list (*inst_list, tag_set, exact_p,
|
|
|
1482 short_p, copy_tree_p);
|
|
|
1483 }
|
|
|
1484
|
|
|
1485 static Lisp_Object
|
|
|
1486 specifier_get_external_spec_list (Lisp_Object specifier,
|
|
|
1487 enum spec_locale_type type,
|
|
|
1488 Lisp_Object tag_set, int exact_p)
|
|
|
1489 {
|
|
|
1490 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1491 Lisp_Object retval = Qnil;
|
|
|
1492 Lisp_Object rest;
|
|
|
1493 struct gcpro gcpro1;
|
|
|
1494
|
|
|
1495 assert (type != LOCALE_GLOBAL);
|
|
|
1496 /* We're about to let stuff go external; make sure there aren't
|
|
|
1497 any dead objects */
|
|
|
1498 *spec_list = cleanup_assoc_list (*spec_list);
|
|
|
1499
|
|
|
1500 GCPRO1 (retval);
|
|
|
1501 LIST_LOOP (rest, *spec_list)
|
|
|
1502 {
|
|
|
1503 Lisp_Object spec = XCAR (rest);
|
|
|
1504 Lisp_Object inst_list =
|
|
|
1505 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 1);
|
|
|
1506 if (!NILP (inst_list))
|
|
|
1507 retval = Fcons (Fcons (XCAR (spec), inst_list), retval);
|
|
|
1508 }
|
|
|
1509 RETURN_UNGCPRO (Fnreverse (retval));
|
|
|
1510 }
|
|
|
1511
|
|
|
1512 static Lisp_Object *
|
|
|
1513 specifier_new_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1514 enum spec_locale_type type)
|
|
|
1515 {
|
|
|
1516 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1517 Lisp_Object new_spec = Fcons (locale, Qnil);
|
|
|
1518 assert (type != LOCALE_GLOBAL);
|
|
|
1519 *spec_list = Fcons (new_spec, *spec_list);
|
|
|
1520 return &XCDR (new_spec);
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 /* For the given INST_LIST, return a new list comprised of elements
|
|
|
1524 where TAG_SET does not match the element's tag set. This operation
|
|
|
1525 is destructive. */
|
|
|
1526
|
|
|
1527 static Lisp_Object
|
|
|
1528 specifier_process_remove_inst_list (Lisp_Object inst_list,
|
|
|
1529 Lisp_Object tag_set, int exact_p,
|
|
|
1530 int *was_removed)
|
|
|
1531 {
|
|
|
1532 Lisp_Object prev = Qnil, rest;
|
|
|
1533
|
|
|
1534 *was_removed = 0;
|
|
|
1535
|
|
|
1536 LIST_LOOP (rest, inst_list)
|
|
|
1537 {
|
|
|
1538 if (tag_sets_match_p (tag_set, XCAR (XCAR (rest)), exact_p))
|
|
|
1539 {
|
|
|
1540 /* time to remove. */
|
|
|
1541 *was_removed = 1;
|
|
|
1542 if (NILP (prev))
|
|
|
1543 inst_list = XCDR (rest);
|
|
|
1544 else
|
|
|
1545 XCDR (prev) = XCDR (rest);
|
|
|
1546 }
|
|
|
1547 else
|
|
|
1548 prev = rest;
|
|
|
1549 }
|
|
|
1550
|
|
|
1551 return inst_list;
|
|
|
1552 }
|
|
|
1553
|
|
|
1554 static void
|
|
|
1555 specifier_remove_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1556 enum spec_locale_type type,
|
|
|
1557 Lisp_Object tag_set, int exact_p)
|
|
|
1558 {
|
|
|
1559 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1560 Lisp_Object assoc;
|
|
|
1561 int was_removed;
|
|
|
1562
|
|
|
1563 if (type == LOCALE_GLOBAL)
|
|
|
1564 *spec_list = specifier_process_remove_inst_list (*spec_list, tag_set,
|
|
|
1565 exact_p, &was_removed);
|
|
|
1566 else
|
|
|
1567 {
|
|
|
1568 assoc = assq_no_quit (locale, *spec_list);
|
|
|
1569 if (NILP (assoc))
|
|
|
1570 /* this locale is not found. */
|
|
|
1571 return;
|
|
|
1572 XCDR (assoc) = specifier_process_remove_inst_list (XCDR (assoc),
|
|
|
1573 tag_set, exact_p,
|
|
|
1574 &was_removed);
|
|
|
1575 if (NILP (XCDR (assoc)))
|
|
|
1576 /* no inst-pairs left; remove this locale entirely. */
|
|
|
1577 *spec_list = remassq_no_quit (locale, *spec_list);
|
|
|
1578 }
|
|
|
1579
|
|
|
1580 if (was_removed)
|
|
|
1581 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
|
1582 (bodily_specifier (specifier), locale));
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 static void
|
|
|
1586 specifier_remove_locale_type (Lisp_Object specifier,
|
|
|
1587 enum spec_locale_type type,
|
|
|
1588 Lisp_Object tag_set, int exact_p)
|
|
|
1589 {
|
|
|
1590 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1591 Lisp_Object prev = Qnil, rest;
|
|
|
1592
|
|
|
1593 assert (type != LOCALE_GLOBAL);
|
|
|
1594 LIST_LOOP (rest, *spec_list)
|
|
|
1595 {
|
|
|
1596 int was_removed;
|
|
|
1597 int remove_spec = 0;
|
|
|
1598 Lisp_Object spec = XCAR (rest);
|
|
|
1599
|
|
|
1600 /* There may be dead objects floating around */
|
|
|
1601 /* remember, dead windows can become alive again. */
|
|
|
1602 if (!WINDOWP (XCAR (spec)) && object_dead_p (XCAR (spec)))
|
|
|
1603 {
|
|
|
1604 remove_spec = 1;
|
|
|
1605 was_removed = 0;
|
|
|
1606 }
|
|
|
1607 else
|
|
|
1608 {
|
|
|
1609 XCDR (spec) = specifier_process_remove_inst_list (XCDR (spec),
|
|
|
1610 tag_set, exact_p,
|
|
|
1611 &was_removed);
|
|
|
1612 if (NILP (XCDR (spec)))
|
|
|
1613 remove_spec = 1;
|
|
|
1614 }
|
|
|
1615
|
|
|
1616 if (remove_spec)
|
|
|
1617 {
|
|
|
1618 if (NILP (prev))
|
|
|
1619 *spec_list = XCDR (rest);
|
|
|
1620 else
|
|
|
1621 XCDR (prev) = XCDR (rest);
|
|
|
1622 }
|
|
|
1623 else
|
|
|
1624 prev = rest;
|
|
|
1625
|
|
|
1626 if (was_removed)
|
|
|
1627 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
|
1628 (bodily_specifier (specifier), XCAR (spec)));
|
|
|
1629 }
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 /* NEW_LIST is going to be added to INST_LIST, with add method ADD_METH.
|
|
|
1633 Frob INST_LIST according to ADD_METH. No need to call an after-change
|
|
|
1634 function; the calling function will do this. Return either SPEC_PREPEND
|
|
|
1635 or SPEC_APPEND, indicating whether to prepend or append the NEW_LIST. */
|
|
|
1636
|
|
|
1637 static enum spec_add_meth
|
|
|
1638 handle_multiple_add_insts (Lisp_Object *inst_list,
|
|
|
1639 Lisp_Object new_list,
|
|
|
1640 enum spec_add_meth add_meth)
|
|
|
1641 {
|
|
|
1642 switch (add_meth)
|
|
|
1643 {
|
|
|
1644 case SPEC_REMOVE_TAG_SET_APPEND:
|
|
|
1645 add_meth = SPEC_APPEND;
|
|
|
1646 goto remove_tag_set;
|
|
|
1647 case SPEC_REMOVE_TAG_SET_PREPEND:
|
|
|
1648 add_meth = SPEC_PREPEND;
|
|
|
1649 remove_tag_set:
|
|
|
1650 {
|
|
|
1651 Lisp_Object rest;
|
|
|
1652
|
|
|
1653 LIST_LOOP (rest, new_list)
|
|
|
1654 {
|
|
|
1655 Lisp_Object canontag = canonicalize_tag_set (XCAR (XCAR (rest)));
|
|
|
1656 struct gcpro gcpro1;
|
|
|
1657
|
|
|
1658 GCPRO1 (canontag);
|
|
|
1659 /* pull out all elements from the existing list with the
|
|
|
1660 same tag as any tags in NEW_LIST. */
|
|
|
1661 *inst_list = remassoc_no_quit (canontag, *inst_list);
|
|
|
1662 UNGCPRO;
|
|
|
1663 }
|
|
|
1664 }
|
|
|
1665 return add_meth;
|
|
|
1666 case SPEC_REMOVE_LOCALE:
|
|
|
1667 *inst_list = Qnil;
|
|
|
1668 return SPEC_PREPEND;
|
|
|
1669 case SPEC_APPEND:
|
|
|
1670 return add_meth;
|
|
|
1671 default:
|
|
|
1672 return SPEC_PREPEND;
|
|
|
1673 }
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 /* Given a LOCALE and INST_LIST that is going to be added to SPECIFIER,
|
|
|
1677 copy, canonicalize, and call the going_to_add methods as necessary
|
|
|
1678 to produce a new list that is the one that really will be added
|
|
|
1679 to the specifier. */
|
|
|
1680
|
|
|
1681 static Lisp_Object
|
|
|
1682 build_up_processed_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1683 Lisp_Object inst_list)
|
|
|
1684 {
|
|
|
1685 /* The return value of this function must be GCPRO'd. */
|
|
|
1686 Lisp_Object rest, list_to_build_up = Qnil;
|
|
440
|
1687 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
1688 struct gcpro gcpro1;
|
|
|
1689
|
|
|
1690 GCPRO1 (list_to_build_up);
|
|
|
1691 LIST_LOOP (rest, inst_list)
|
|
|
1692 {
|
|
|
1693 Lisp_Object tag_set = XCAR (XCAR (rest));
|
|
|
1694 Lisp_Object sub_inst_list = Qnil;
|
|
434
|
1695 Lisp_Object instantiator;
|
|
428
|
1696 struct gcpro ngcpro1, ngcpro2;
|
|
|
1697
|
|
434
|
1698 if (HAS_SPECMETH_P (sp, copy_instantiator))
|
|
|
1699 instantiator = SPECMETH (sp, copy_instantiator,
|
|
|
1700 (XCDR (XCAR (rest))));
|
|
|
1701 else
|
|
|
1702 instantiator = Fcopy_tree (XCDR (XCAR (rest)), Qt);
|
|
|
1703
|
|
428
|
1704 NGCPRO2 (instantiator, sub_inst_list);
|
|
|
1705 /* call the will-add method; it may GC */
|
|
|
1706 sub_inst_list = HAS_SPECMETH_P (sp, going_to_add) ?
|
|
|
1707 SPECMETH (sp, going_to_add,
|
|
|
1708 (bodily_specifier (specifier), locale,
|
|
|
1709 tag_set, instantiator)) :
|
|
|
1710 Qt;
|
|
|
1711 if (EQ (sub_inst_list, Qt))
|
|
|
1712 /* no change here. */
|
|
|
1713 sub_inst_list = list1 (Fcons (canonicalize_tag_set (tag_set),
|
|
|
1714 instantiator));
|
|
|
1715 else
|
|
|
1716 {
|
|
|
1717 /* now canonicalize all the tag sets in the new objects */
|
|
|
1718 Lisp_Object rest2;
|
|
|
1719 LIST_LOOP (rest2, sub_inst_list)
|
|
|
1720 XCAR (XCAR (rest2)) = canonicalize_tag_set (XCAR (XCAR (rest2)));
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 list_to_build_up = nconc2 (sub_inst_list, list_to_build_up);
|
|
|
1724 NUNGCPRO;
|
|
|
1725 }
|
|
|
1726
|
|
|
1727 RETURN_UNGCPRO (Fnreverse (list_to_build_up));
|
|
|
1728 }
|
|
|
1729
|
|
|
1730 /* Add a specification (locale and instantiator list) to a specifier.
|
|
|
1731 ADD_METH specifies what to do with existing specifications in the
|
|
|
1732 specifier, and is an enum that corresponds to the values in
|
|
|
1733 `add-spec-to-specifier'. The calling routine is responsible for
|
|
|
1734 validating LOCALE and INST-LIST, but the tag-sets in INST-LIST
|
|
|
1735 do not need to be canonicalized. */
|
|
|
1736
|
|
|
1737 /* #### I really need to rethink the after-change
|
|
|
1738 functions to make them easier to use and more efficient. */
|
|
|
1739
|
|
|
1740 static void
|
|
|
1741 specifier_add_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1742 Lisp_Object inst_list, enum spec_add_meth add_meth)
|
|
|
1743 {
|
|
440
|
1744 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
1745 enum spec_locale_type type = locale_type_from_locale (locale);
|
|
|
1746 Lisp_Object *orig_inst_list, tem;
|
|
|
1747 Lisp_Object list_to_build_up = Qnil;
|
|
|
1748 struct gcpro gcpro1;
|
|
|
1749
|
|
1015
|
1750 if (NILP (inst_list))
|
|
|
1751 return;
|
|
|
1752
|
|
428
|
1753 GCPRO1 (list_to_build_up);
|
|
|
1754 list_to_build_up = build_up_processed_list (specifier, locale, inst_list);
|
|
|
1755 /* Now handle REMOVE_LOCALE_TYPE and REMOVE_ALL. These are the
|
|
|
1756 add-meth types that affect locales other than this one. */
|
|
|
1757 if (add_meth == SPEC_REMOVE_LOCALE_TYPE)
|
|
|
1758 specifier_remove_locale_type (specifier, type, Qnil, 0);
|
|
|
1759 else if (add_meth == SPEC_REMOVE_ALL)
|
|
|
1760 {
|
|
|
1761 specifier_remove_locale_type (specifier, LOCALE_BUFFER, Qnil, 0);
|
|
|
1762 specifier_remove_locale_type (specifier, LOCALE_WINDOW, Qnil, 0);
|
|
|
1763 specifier_remove_locale_type (specifier, LOCALE_FRAME, Qnil, 0);
|
|
|
1764 specifier_remove_locale_type (specifier, LOCALE_DEVICE, Qnil, 0);
|
|
|
1765 specifier_remove_spec (specifier, Qglobal, LOCALE_GLOBAL, Qnil, 0);
|
|
|
1766 }
|
|
|
1767
|
|
|
1768 orig_inst_list = specifier_get_inst_list (specifier, locale, type);
|
|
|
1769 if (!orig_inst_list)
|
|
|
1770 orig_inst_list = specifier_new_spec (specifier, locale, type);
|
|
|
1771 add_meth = handle_multiple_add_insts (orig_inst_list, list_to_build_up,
|
|
|
1772 add_meth);
|
|
|
1773
|
|
|
1774 if (add_meth == SPEC_PREPEND)
|
|
|
1775 tem = nconc2 (list_to_build_up, *orig_inst_list);
|
|
|
1776 else if (add_meth == SPEC_APPEND)
|
|
|
1777 tem = nconc2 (*orig_inst_list, list_to_build_up);
|
|
|
1778 else
|
|
442
|
1779 {
|
|
2500
|
1780 ABORT ();
|
|
442
|
1781 tem = Qnil;
|
|
|
1782 }
|
|
428
|
1783
|
|
|
1784 *orig_inst_list = tem;
|
|
|
1785
|
|
|
1786 UNGCPRO;
|
|
|
1787
|
|
|
1788 /* call the after-change method */
|
|
|
1789 MAYBE_SPECMETH (sp, after_change,
|
|
|
1790 (bodily_specifier (specifier), locale));
|
|
|
1791 }
|
|
|
1792
|
|
|
1793 static void
|
|
|
1794 specifier_copy_spec (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1795 Lisp_Object locale, enum spec_locale_type type,
|
|
|
1796 Lisp_Object tag_set, int exact_p,
|
|
|
1797 enum spec_add_meth add_meth)
|
|
|
1798 {
|
|
|
1799 Lisp_Object inst_list =
|
|
|
1800 specifier_get_external_inst_list (specifier, locale, type, tag_set,
|
|
|
1801 exact_p, 0, 0);
|
|
|
1802 specifier_add_spec (dest, locale, inst_list, add_meth);
|
|
|
1803 }
|
|
|
1804
|
|
|
1805 static void
|
|
|
1806 specifier_copy_locale_type (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1807 enum spec_locale_type type,
|
|
|
1808 Lisp_Object tag_set, int exact_p,
|
|
|
1809 enum spec_add_meth add_meth)
|
|
|
1810 {
|
|
|
1811 Lisp_Object *src_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1812 Lisp_Object rest;
|
|
|
1813
|
|
|
1814 /* This algorithm is O(n^2) in running time.
|
|
|
1815 It's certainly possible to implement an O(n log n) algorithm,
|
|
|
1816 but I doubt there's any need to. */
|
|
|
1817
|
|
|
1818 LIST_LOOP (rest, *src_list)
|
|
|
1819 {
|
|
|
1820 Lisp_Object spec = XCAR (rest);
|
|
|
1821 /* There may be dead objects floating around */
|
|
|
1822 /* remember, dead windows can become alive again. */
|
|
|
1823 if (WINDOWP (XCAR (spec)) || !object_dead_p (XCAR (spec)))
|
|
|
1824 specifier_add_spec
|
|
|
1825 (dest, XCAR (spec),
|
|
|
1826 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 0),
|
|
|
1827 add_meth);
|
|
|
1828 }
|
|
|
1829 }
|
|
|
1830
|
|
|
1831 /* map MAPFUN over the locales in SPECIFIER that are given in LOCALE.
|
|
|
1832 CLOSURE is passed unchanged to MAPFUN. LOCALE can be one of
|
|
|
1833
|
|
2953
|
1834 -- nil (same as `all')
|
|
|
1835 -- a single locale, locale type, or `all'
|
|
|
1836 -- a list of locales, locale types, and/or `all'
|
|
|
1837
|
|
|
1838 MAPFUN is called for each locale and locale type given; for `all',
|
|
|
1839 it is called for the locale `global' and for the four possible
|
|
428
|
1840 locale types. In each invocation, either LOCALE will be a locale
|
|
|
1841 and LOCALE_TYPE will be the locale type of this locale,
|
|
|
1842 or LOCALE will be nil and LOCALE_TYPE will be a locale type.
|
|
|
1843 If MAPFUN ever returns non-zero, the mapping is halted and the
|
|
|
1844 value returned is returned from map_specifier(). Otherwise, the
|
|
|
1845 mapping proceeds to the end and map_specifier() returns 0.
|
|
|
1846 */
|
|
|
1847
|
|
|
1848 static int
|
|
|
1849 map_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1850 int (*mapfun) (Lisp_Object specifier,
|
|
|
1851 Lisp_Object locale,
|
|
|
1852 enum spec_locale_type locale_type,
|
|
|
1853 Lisp_Object tag_set,
|
|
|
1854 int exact_p,
|
|
|
1855 void *closure),
|
|
|
1856 Lisp_Object tag_set, Lisp_Object exact_p,
|
|
|
1857 void *closure)
|
|
|
1858 {
|
|
|
1859 int retval = 0;
|
|
|
1860 Lisp_Object rest;
|
|
|
1861 struct gcpro gcpro1, gcpro2;
|
|
|
1862
|
|
|
1863 GCPRO2 (tag_set, locale);
|
|
|
1864 locale = decode_locale_list (locale);
|
|
|
1865 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1866 tag_set = canonicalize_tag_set (tag_set);
|
|
|
1867
|
|
|
1868 LIST_LOOP (rest, locale)
|
|
|
1869 {
|
|
|
1870 Lisp_Object theloc = XCAR (rest);
|
|
|
1871 if (!NILP (Fvalid_specifier_locale_p (theloc)))
|
|
|
1872 {
|
|
|
1873 retval = (*mapfun) (specifier, theloc,
|
|
|
1874 locale_type_from_locale (theloc),
|
|
|
1875 tag_set, !NILP (exact_p), closure);
|
|
|
1876 if (retval)
|
|
|
1877 break;
|
|
|
1878 }
|
|
|
1879 else if (!NILP (Fvalid_specifier_locale_type_p (theloc)))
|
|
|
1880 {
|
|
|
1881 retval = (*mapfun) (specifier, Qnil,
|
|
|
1882 decode_locale_type (theloc), tag_set,
|
|
|
1883 !NILP (exact_p), closure);
|
|
|
1884 if (retval)
|
|
|
1885 break;
|
|
|
1886 }
|
|
|
1887 else
|
|
|
1888 {
|
|
|
1889 assert (EQ (theloc, Qall));
|
|
|
1890 retval = (*mapfun) (specifier, Qnil, LOCALE_BUFFER, tag_set,
|
|
|
1891 !NILP (exact_p), closure);
|
|
|
1892 if (retval)
|
|
|
1893 break;
|
|
|
1894 retval = (*mapfun) (specifier, Qnil, LOCALE_WINDOW, tag_set,
|
|
|
1895 !NILP (exact_p), closure);
|
|
|
1896 if (retval)
|
|
|
1897 break;
|
|
|
1898 retval = (*mapfun) (specifier, Qnil, LOCALE_FRAME, tag_set,
|
|
|
1899 !NILP (exact_p), closure);
|
|
|
1900 if (retval)
|
|
|
1901 break;
|
|
|
1902 retval = (*mapfun) (specifier, Qnil, LOCALE_DEVICE, tag_set,
|
|
|
1903 !NILP (exact_p), closure);
|
|
|
1904 if (retval)
|
|
|
1905 break;
|
|
|
1906 retval = (*mapfun) (specifier, Qglobal, LOCALE_GLOBAL, tag_set,
|
|
|
1907 !NILP (exact_p), closure);
|
|
|
1908 if (retval)
|
|
|
1909 break;
|
|
|
1910 }
|
|
|
1911 }
|
|
|
1912
|
|
|
1913 UNGCPRO;
|
|
|
1914 return retval;
|
|
|
1915 }
|
|
|
1916
|
|
|
1917 DEFUN ("add-spec-to-specifier", Fadd_spec_to_specifier, 2, 5, 0, /*
|
|
|
1918 Add a specification to SPECIFIER.
|
|
|
1919 The specification maps from LOCALE (which should be a window, buffer,
|
|
2953
|
1920 frame, device, or `global', and defaults to `global') to INSTANTIATOR,
|
|
428
|
1921 whose allowed values depend on the type of the specifier. Optional
|
|
|
1922 argument TAG-SET limits the instantiator to apply only to the specified
|
|
|
1923 tag set, which should be a list of tags all of which must match the
|
|
|
1924 device being instantiated over (tags are a device type, a device class,
|
|
|
1925 or tags defined with `define-specifier-tag'). Specifying a single
|
|
|
1926 symbol for TAG-SET is equivalent to specifying a one-element list
|
|
|
1927 containing that symbol. Optional argument HOW-TO-ADD specifies what to
|
|
|
1928 do if there are already specifications in the specifier.
|
|
|
1929 It should be one of
|
|
|
1930
|
|
2953
|
1931 `prepend' Put at the beginning of the current list of
|
|
428
|
1932 instantiators for LOCALE.
|
|
2953
|
1933 `append' Add to the end of the current list of
|
|
428
|
1934 instantiators for LOCALE.
|
|
2953
|
1935 `remove-tag-set-prepend' (this is the default)
|
|
428
|
1936 Remove any existing instantiators whose tag set is
|
|
|
1937 the same as TAG-SET; then put the new instantiator
|
|
|
1938 at the beginning of the current list. ("Same tag
|
|
|
1939 set" means that they contain the same elements.
|
|
|
1940 The order may be different.)
|
|
2953
|
1941 `remove-tag-set-append'
|
|
428
|
1942 Remove any existing instantiators whose tag set is
|
|
|
1943 the same as TAG-SET; then put the new instantiator
|
|
|
1944 at the end of the current list.
|
|
2953
|
1945 `remove-locale' Remove all previous instantiators for this locale
|
|
428
|
1946 before adding the new spec.
|
|
2953
|
1947 `remove-locale-type' Remove all specifications for all locales of the
|
|
428
|
1948 same type as LOCALE (this includes LOCALE itself)
|
|
|
1949 before adding the new spec.
|
|
2953
|
1950 `remove-all' Remove all specifications from the specifier
|
|
428
|
1951 before adding the new spec.
|
|
|
1952
|
|
|
1953 You can retrieve the specifications for a particular locale or locale type
|
|
|
1954 with the function `specifier-spec-list' or `specifier-specs'.
|
|
|
1955 */
|
|
|
1956 (specifier, instantiator, locale, tag_set, how_to_add))
|
|
|
1957 {
|
|
|
1958 enum spec_add_meth add_meth;
|
|
|
1959 Lisp_Object inst_list;
|
|
|
1960 struct gcpro gcpro1;
|
|
|
1961
|
|
|
1962 CHECK_SPECIFIER (specifier);
|
|
|
1963 check_modifiable_specifier (specifier);
|
|
|
1964
|
|
|
1965 locale = decode_locale (locale);
|
|
|
1966 check_valid_instantiator (instantiator,
|
|
|
1967 decode_specifier_type
|
|
|
1968 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
1969 ERROR_ME);
|
|
|
1970 /* tag_set might be newly-created material, but it's part of inst_list
|
|
|
1971 so is properly GC-protected. */
|
|
|
1972 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1973 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
1974
|
|
|
1975 inst_list = list1 (Fcons (tag_set, instantiator));
|
|
|
1976 GCPRO1 (inst_list);
|
|
|
1977 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
|
1978 recompute_cached_specifier_everywhere (specifier);
|
|
|
1979 RETURN_UNGCPRO (Qnil);
|
|
|
1980 }
|
|
|
1981
|
|
|
1982 DEFUN ("add-spec-list-to-specifier", Fadd_spec_list_to_specifier, 2, 3, 0, /*
|
|
444
|
1983 Add SPEC-LIST (a list of specifications) to SPECIFIER.
|
|
|
1984 The format of SPEC-LIST is
|
|
428
|
1985
|
|
|
1986 ((LOCALE (TAG-SET . INSTANTIATOR) ...) ...)
|
|
|
1987
|
|
|
1988 where
|
|
2953
|
1989 LOCALE := a window, a buffer, a frame, a device, or `global'
|
|
428
|
1990 TAG-SET := an unordered list of zero or more TAGS, each of which
|
|
|
1991 is a symbol
|
|
|
1992 TAG := a device class (see `valid-device-class-p'), a device type
|
|
|
1993 (see `valid-console-type-p'), or a tag defined with
|
|
|
1994 `define-specifier-tag'
|
|
|
1995 INSTANTIATOR := format determined by the type of specifier
|
|
|
1996
|
|
|
1997 The pair (TAG-SET . INSTANTIATOR) is called an `inst-pair'.
|
|
|
1998 A list of inst-pairs is called an `inst-list'.
|
|
|
1999 The pair (LOCALE . INST-LIST) is called a `specification' or `spec'.
|
|
|
2000 A spec-list, then, can be viewed as a list of specifications.
|
|
|
2001
|
|
|
2002 HOW-TO-ADD specifies how to combine the new specifications with
|
|
|
2003 the existing ones, and has the same semantics as for
|
|
|
2004 `add-spec-to-specifier'.
|
|
|
2005
|
|
|
2006 In many circumstances, the higher-level function `set-specifier' is
|
|
|
2007 more convenient and should be used instead.
|
|
|
2008 */
|
|
|
2009 (specifier, spec_list, how_to_add))
|
|
|
2010 {
|
|
|
2011 enum spec_add_meth add_meth;
|
|
|
2012 Lisp_Object rest;
|
|
|
2013
|
|
|
2014 CHECK_SPECIFIER (specifier);
|
|
|
2015 check_modifiable_specifier (specifier);
|
|
|
2016
|
|
|
2017 check_valid_spec_list (spec_list,
|
|
|
2018 decode_specifier_type
|
|
|
2019 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
2020 ERROR_ME);
|
|
|
2021 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
2022
|
|
|
2023 LIST_LOOP (rest, spec_list)
|
|
|
2024 {
|
|
|
2025 /* Placating the GCC god. */
|
|
|
2026 Lisp_Object specification = XCAR (rest);
|
|
|
2027 Lisp_Object locale = XCAR (specification);
|
|
|
2028 Lisp_Object inst_list = XCDR (specification);
|
|
|
2029
|
|
|
2030 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
|
2031 }
|
|
|
2032 recompute_cached_specifier_everywhere (specifier);
|
|
|
2033 return Qnil;
|
|
|
2034 }
|
|
|
2035
|
|
|
2036 void
|
|
|
2037 add_spec_to_ghost_specifier (Lisp_Object specifier, Lisp_Object instantiator,
|
|
|
2038 Lisp_Object locale, Lisp_Object tag_set,
|
|
|
2039 Lisp_Object how_to_add)
|
|
|
2040 {
|
|
|
2041 int depth = unlock_ghost_specifiers_protected ();
|
|
|
2042 Fadd_spec_to_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
2043 instantiator, locale, tag_set, how_to_add);
|
|
771
|
2044 unbind_to (depth);
|
|
428
|
2045 }
|
|
|
2046
|
|
|
2047 struct specifier_spec_list_closure
|
|
|
2048 {
|
|
|
2049 Lisp_Object head, tail;
|
|
|
2050 };
|
|
|
2051
|
|
|
2052 static int
|
|
|
2053 specifier_spec_list_mapfun (Lisp_Object specifier,
|
|
|
2054 Lisp_Object locale,
|
|
|
2055 enum spec_locale_type locale_type,
|
|
|
2056 Lisp_Object tag_set,
|
|
|
2057 int exact_p,
|
|
|
2058 void *closure)
|
|
|
2059 {
|
|
|
2060 struct specifier_spec_list_closure *cl =
|
|
|
2061 (struct specifier_spec_list_closure *) closure;
|
|
|
2062 Lisp_Object partial;
|
|
|
2063
|
|
|
2064 if (NILP (locale))
|
|
|
2065 partial = specifier_get_external_spec_list (specifier,
|
|
|
2066 locale_type,
|
|
|
2067 tag_set, exact_p);
|
|
|
2068 else
|
|
|
2069 {
|
|
|
2070 partial = specifier_get_external_inst_list (specifier, locale,
|
|
|
2071 locale_type, tag_set,
|
|
|
2072 exact_p, 0, 1);
|
|
|
2073 if (!NILP (partial))
|
|
|
2074 partial = list1 (Fcons (locale, partial));
|
|
|
2075 }
|
|
|
2076 if (NILP (partial))
|
|
|
2077 return 0;
|
|
|
2078
|
|
|
2079 /* tack on the new list */
|
|
|
2080 if (NILP (cl->tail))
|
|
|
2081 cl->head = cl->tail = partial;
|
|
|
2082 else
|
|
|
2083 XCDR (cl->tail) = partial;
|
|
|
2084 /* find the new tail */
|
|
|
2085 while (CONSP (XCDR (cl->tail)))
|
|
|
2086 cl->tail = XCDR (cl->tail);
|
|
|
2087 return 0;
|
|
|
2088 }
|
|
|
2089
|
|
|
2090 /* For the given SPECIFIER create and return a list of all specs
|
|
|
2091 contained within it, subject to LOCALE. If LOCALE is a locale, only
|
|
|
2092 specs in that locale will be returned. If LOCALE is a locale type,
|
|
|
2093 all specs in all locales of that type will be returned. If LOCALE is
|
|
|
2094 nil, all specs will be returned. This always copies lists and never
|
|
|
2095 returns the actual lists, because we do not want someone manipulating
|
|
|
2096 the actual objects. This may cause a slight loss of potential
|
|
|
2097 functionality but if we were to allow it then a user could manage to
|
|
|
2098 violate our assertion that the specs contained in the actual
|
|
|
2099 specifier lists are all valid. */
|
|
|
2100
|
|
|
2101 DEFUN ("specifier-spec-list", Fspecifier_spec_list, 1, 4, 0, /*
|
|
|
2102 Return the spec-list of specifications for SPECIFIER in LOCALE.
|
|
|
2103
|
|
|
2104 If LOCALE is a particular locale (a buffer, window, frame, device,
|
|
2953
|
2105 or `global'), a spec-list consisting of the specification for that
|
|
428
|
2106 locale will be returned.
|
|
|
2107
|
|
2953
|
2108 If LOCALE is a locale type (i.e. `buffer', `window', `frame', or `device'),
|
|
428
|
2109 a spec-list of the specifications for all locales of that type will be
|
|
|
2110 returned.
|
|
|
2111
|
|
2953
|
2112 If LOCALE is nil or `all', a spec-list of all specifications in SPECIFIER
|
|
428
|
2113 will be returned.
|
|
|
2114
|
|
2953
|
2115 LOCALE can also be a list of locales, locale types, and/or `all'; the
|
|
428
|
2116 result is as if `specifier-spec-list' were called on each element of the
|
|
|
2117 list and the results concatenated together.
|
|
|
2118
|
|
|
2119 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2120 subset of (or possibly equal to) the instantiator's tag set are returned.
|
|
|
2121 \(The default value of nil is a subset of all tag sets, so in this case
|
|
|
2122 no instantiators will be screened out.) If EXACT-P is non-nil, however,
|
|
|
2123 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2124 to be returned.
|
|
|
2125 */
|
|
|
2126 (specifier, locale, tag_set, exact_p))
|
|
|
2127 {
|
|
|
2128 struct specifier_spec_list_closure cl;
|
|
|
2129 struct gcpro gcpro1, gcpro2;
|
|
|
2130
|
|
|
2131 CHECK_SPECIFIER (specifier);
|
|
|
2132 cl.head = cl.tail = Qnil;
|
|
|
2133 GCPRO2 (cl.head, cl.tail);
|
|
|
2134 map_specifier (specifier, locale, specifier_spec_list_mapfun,
|
|
|
2135 tag_set, exact_p, &cl);
|
|
|
2136 UNGCPRO;
|
|
|
2137 return cl.head;
|
|
|
2138 }
|
|
|
2139
|
|
|
2140
|
|
|
2141 DEFUN ("specifier-specs", Fspecifier_specs, 1, 4, 0, /*
|
|
|
2142 Return the specification(s) for SPECIFIER in LOCALE.
|
|
|
2143
|
|
|
2144 If LOCALE is a single locale or is a list of one element containing a
|
|
|
2145 single locale, then a "short form" of the instantiators for that locale
|
|
|
2146 will be returned. Otherwise, this function is identical to
|
|
|
2147 `specifier-spec-list'.
|
|
|
2148
|
|
|
2149 The "short form" is designed for readability and not for ease of use
|
|
|
2150 in Lisp programs, and is as follows:
|
|
|
2151
|
|
|
2152 1. If there is only one instantiator, then an inst-pair (i.e. cons of
|
|
|
2153 tag and instantiator) will be returned; otherwise a list of
|
|
|
2154 inst-pairs will be returned.
|
|
2953
|
2155 2. For each inst-pair returned, if the instantiator's tag is `any',
|
|
428
|
2156 the tag will be removed and the instantiator itself will be returned
|
|
|
2157 instead of the inst-pair.
|
|
|
2158 3. If there is only one instantiator, its value is nil, and its tag is
|
|
2953
|
2159 `any', a one-element list containing nil will be returned rather
|
|
428
|
2160 than just nil, to distinguish this case from there being no
|
|
|
2161 instantiators at all.
|
|
|
2162 */
|
|
|
2163 (specifier, locale, tag_set, exact_p))
|
|
|
2164 {
|
|
|
2165 if (!NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
2166 (CONSP (locale) && !NILP (Fvalid_specifier_locale_p (XCAR (locale))) &&
|
|
|
2167 NILP (XCDR (locale))))
|
|
|
2168 {
|
|
|
2169 struct gcpro gcpro1;
|
|
|
2170
|
|
|
2171 CHECK_SPECIFIER (specifier);
|
|
|
2172 if (CONSP (locale))
|
|
|
2173 locale = XCAR (locale);
|
|
|
2174 GCPRO1 (tag_set);
|
|
|
2175 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
2176 tag_set = canonicalize_tag_set (tag_set);
|
|
|
2177 RETURN_UNGCPRO
|
|
|
2178 (specifier_get_external_inst_list (specifier, locale,
|
|
|
2179 locale_type_from_locale (locale),
|
|
|
2180 tag_set, !NILP (exact_p), 1, 1));
|
|
|
2181 }
|
|
|
2182 else
|
|
|
2183 return Fspecifier_spec_list (specifier, locale, tag_set, exact_p);
|
|
|
2184 }
|
|
|
2185
|
|
|
2186 static int
|
|
|
2187 remove_specifier_mapfun (Lisp_Object specifier,
|
|
|
2188 Lisp_Object locale,
|
|
|
2189 enum spec_locale_type locale_type,
|
|
|
2190 Lisp_Object tag_set,
|
|
|
2191 int exact_p,
|
|
2286
|
2192 void *UNUSED (closure))
|
|
428
|
2193 {
|
|
|
2194 if (NILP (locale))
|
|
|
2195 specifier_remove_locale_type (specifier, locale_type, tag_set, exact_p);
|
|
|
2196 else
|
|
|
2197 specifier_remove_spec (specifier, locale, locale_type, tag_set, exact_p);
|
|
|
2198 return 0;
|
|
|
2199 }
|
|
|
2200
|
|
|
2201 DEFUN ("remove-specifier", Fremove_specifier, 1, 4, 0, /*
|
|
|
2202 Remove specification(s) for SPECIFIER.
|
|
|
2203
|
|
|
2204 If LOCALE is a particular locale (a window, buffer, frame, device,
|
|
2953
|
2205 or `global'), the specification for that locale will be removed.
|
|
|
2206
|
|
|
2207 If instead, LOCALE is a locale type (i.e. `window', `buffer', `frame',
|
|
|
2208 or `device'), the specifications for all locales of that type will be
|
|
428
|
2209 removed.
|
|
|
2210
|
|
2953
|
2211 If LOCALE is nil or `all', all specifications will be removed.
|
|
|
2212
|
|
|
2213 LOCALE can also be a list of locales, locale types, and/or `all'; this
|
|
428
|
2214 is equivalent to calling `remove-specifier' for each of the elements
|
|
|
2215 in the list.
|
|
|
2216
|
|
|
2217 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2218 subset of (or possibly equal to) the instantiator's tag set are removed.
|
|
|
2219 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2220 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
|
2221 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2222 to be removed.
|
|
|
2223 */
|
|
|
2224 (specifier, locale, tag_set, exact_p))
|
|
|
2225 {
|
|
|
2226 CHECK_SPECIFIER (specifier);
|
|
|
2227 check_modifiable_specifier (specifier);
|
|
|
2228
|
|
|
2229 map_specifier (specifier, locale, remove_specifier_mapfun,
|
|
|
2230 tag_set, exact_p, 0);
|
|
|
2231 recompute_cached_specifier_everywhere (specifier);
|
|
|
2232 return Qnil;
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 void
|
|
|
2236 remove_ghost_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
2237 Lisp_Object tag_set, Lisp_Object exact_p)
|
|
|
2238 {
|
|
|
2239 int depth = unlock_ghost_specifiers_protected ();
|
|
|
2240 Fremove_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
2241 locale, tag_set, exact_p);
|
|
771
|
2242 unbind_to (depth);
|
|
428
|
2243 }
|
|
|
2244
|
|
|
2245 struct copy_specifier_closure
|
|
|
2246 {
|
|
|
2247 Lisp_Object dest;
|
|
|
2248 enum spec_add_meth add_meth;
|
|
|
2249 int add_meth_is_nil;
|
|
|
2250 };
|
|
|
2251
|
|
|
2252 static int
|
|
|
2253 copy_specifier_mapfun (Lisp_Object specifier,
|
|
|
2254 Lisp_Object locale,
|
|
|
2255 enum spec_locale_type locale_type,
|
|
|
2256 Lisp_Object tag_set,
|
|
|
2257 int exact_p,
|
|
|
2258 void *closure)
|
|
|
2259 {
|
|
|
2260 struct copy_specifier_closure *cl =
|
|
|
2261 (struct copy_specifier_closure *) closure;
|
|
|
2262
|
|
|
2263 if (NILP (locale))
|
|
|
2264 specifier_copy_locale_type (specifier, cl->dest, locale_type,
|
|
|
2265 tag_set, exact_p,
|
|
|
2266 cl->add_meth_is_nil ?
|
|
|
2267 SPEC_REMOVE_LOCALE_TYPE :
|
|
|
2268 cl->add_meth);
|
|
|
2269 else
|
|
|
2270 specifier_copy_spec (specifier, cl->dest, locale, locale_type,
|
|
|
2271 tag_set, exact_p,
|
|
|
2272 cl->add_meth_is_nil ? SPEC_REMOVE_LOCALE :
|
|
|
2273 cl->add_meth);
|
|
|
2274 return 0;
|
|
|
2275 }
|
|
|
2276
|
|
|
2277 DEFUN ("copy-specifier", Fcopy_specifier, 1, 6, 0, /*
|
|
|
2278 Copy SPECIFIER to DEST, or create a new one if DEST is nil.
|
|
|
2279
|
|
|
2280 If DEST is nil or omitted, a new specifier will be created and the
|
|
|
2281 specifications copied into it. Otherwise, the specifications will be
|
|
|
2282 copied into the existing specifier in DEST.
|
|
|
2283
|
|
2953
|
2284 If LOCALE is nil or `all', all specifications will be copied. If LOCALE
|
|
428
|
2285 is a particular locale, the specification for that particular locale will
|
|
|
2286 be copied. If LOCALE is a locale type, the specifications for all locales
|
|
|
2287 of that type will be copied. LOCALE can also be a list of locales,
|
|
2953
|
2288 locale types, and/or `all'; this is equivalent to calling `copy-specifier'
|
|
428
|
2289 for each of the elements of the list. See `specifier-spec-list' for more
|
|
|
2290 information about LOCALE.
|
|
|
2291
|
|
|
2292 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2293 subset of (or possibly equal to) the instantiator's tag set are copied.
|
|
|
2294 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2295 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
|
2296 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2297 to be copied.
|
|
|
2298
|
|
|
2299 Optional argument HOW-TO-ADD specifies what to do with existing
|
|
|
2300 specifications in DEST. If nil, then whichever locales or locale types
|
|
|
2301 are copied will first be completely erased in DEST. Otherwise, it is
|
|
|
2302 the same as in `add-spec-to-specifier'.
|
|
|
2303 */
|
|
|
2304 (specifier, dest, locale, tag_set, exact_p, how_to_add))
|
|
|
2305 {
|
|
|
2306 struct gcpro gcpro1;
|
|
|
2307 struct copy_specifier_closure cl;
|
|
|
2308
|
|
|
2309 CHECK_SPECIFIER (specifier);
|
|
|
2310 if (NILP (how_to_add))
|
|
|
2311 cl.add_meth_is_nil = 1;
|
|
|
2312 else
|
|
|
2313 cl.add_meth_is_nil = 0;
|
|
|
2314 cl.add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
2315 if (NILP (dest))
|
|
|
2316 {
|
|
|
2317 /* #### What about copying the extra data? */
|
|
|
2318 dest = make_specifier (XSPECIFIER (specifier)->methods);
|
|
|
2319 }
|
|
|
2320 else
|
|
|
2321 {
|
|
|
2322 CHECK_SPECIFIER (dest);
|
|
|
2323 check_modifiable_specifier (dest);
|
|
|
2324 if (XSPECIFIER (dest)->methods != XSPECIFIER (specifier)->methods)
|
|
563
|
2325 invalid_argument ("Specifiers not of same type", Qunbound);
|
|
428
|
2326 }
|
|
|
2327
|
|
|
2328 cl.dest = dest;
|
|
|
2329 GCPRO1 (dest);
|
|
|
2330 map_specifier (specifier, locale, copy_specifier_mapfun,
|
|
|
2331 tag_set, exact_p, &cl);
|
|
|
2332 UNGCPRO;
|
|
|
2333 recompute_cached_specifier_everywhere (dest);
|
|
|
2334 return dest;
|
|
|
2335 }
|
|
|
2336
|
|
|
2337
|
|
|
2338 /************************************************************************/
|
|
2953
|
2339 /* Instantiation */
|
|
428
|
2340 /************************************************************************/
|
|
|
2341
|
|
|
2342 static Lisp_Object
|
|
|
2343 call_validate_matchspec_method (Lisp_Object boxed_method,
|
|
|
2344 Lisp_Object matchspec)
|
|
|
2345 {
|
|
|
2346 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (matchspec);
|
|
|
2347 return Qt;
|
|
|
2348 }
|
|
|
2349
|
|
|
2350 static Lisp_Object
|
|
|
2351 check_valid_specifier_matchspec (Lisp_Object matchspec,
|
|
|
2352 struct specifier_methods *meths,
|
|
578
|
2353 Error_Behavior errb)
|
|
428
|
2354 {
|
|
|
2355 if (meths->validate_matchspec_method)
|
|
|
2356 {
|
|
|
2357 Lisp_Object retval;
|
|
|
2358
|
|
|
2359 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
2360 {
|
|
|
2361 (meths->validate_matchspec_method) (matchspec);
|
|
|
2362 retval = Qt;
|
|
|
2363 }
|
|
|
2364 else
|
|
|
2365 {
|
|
|
2366 Lisp_Object opaque =
|
|
|
2367 make_opaque_ptr ((void *) meths->validate_matchspec_method);
|
|
|
2368 struct gcpro gcpro1;
|
|
|
2369
|
|
|
2370 GCPRO1 (opaque);
|
|
|
2371 retval = call_with_suspended_errors
|
|
|
2372 ((lisp_fn_t) call_validate_matchspec_method,
|
|
|
2373 Qnil, Qspecifier, errb, 2, opaque, matchspec);
|
|
|
2374
|
|
|
2375 free_opaque_ptr (opaque);
|
|
|
2376 UNGCPRO;
|
|
|
2377 }
|
|
|
2378
|
|
|
2379 return retval;
|
|
|
2380 }
|
|
|
2381 else
|
|
|
2382 {
|
|
563
|
2383 maybe_sferror
|
|
428
|
2384 ("Matchspecs not allowed for this specifier type",
|
|
|
2385 intern (meths->name), Qspecifier, errb);
|
|
|
2386 return Qnil;
|
|
|
2387 }
|
|
|
2388 }
|
|
|
2389
|
|
442
|
2390 DEFUN ("check-valid-specifier-matchspec", Fcheck_valid_specifier_matchspec, 2,
|
|
|
2391 2, 0, /*
|
|
428
|
2392 Signal an error if MATCHSPEC is invalid for SPECIFIER-TYPE.
|
|
|
2393 See `specifier-matching-instance' for a description of matchspecs.
|
|
|
2394 */
|
|
|
2395 (matchspec, specifier_type))
|
|
|
2396 {
|
|
|
2397 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2398 ERROR_ME);
|
|
|
2399
|
|
|
2400 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME);
|
|
|
2401 }
|
|
|
2402
|
|
|
2403 DEFUN ("valid-specifier-matchspec-p", Fvalid_specifier_matchspec_p, 2, 2, 0, /*
|
|
|
2404 Return non-nil if MATCHSPEC is valid for SPECIFIER-TYPE.
|
|
|
2405 See `specifier-matching-instance' for a description of matchspecs.
|
|
|
2406 */
|
|
|
2407 (matchspec, specifier_type))
|
|
|
2408 {
|
|
|
2409 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2410 ERROR_ME);
|
|
|
2411
|
|
|
2412 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME_NOT);
|
|
|
2413 }
|
|
|
2414
|
|
|
2415 /* This function is purposely not callable from Lisp. If a Lisp
|
|
|
2416 caller wants to set a fallback, they should just set the
|
|
|
2417 global value. */
|
|
|
2418
|
|
|
2419 void
|
|
|
2420 set_specifier_fallback (Lisp_Object specifier, Lisp_Object fallback)
|
|
|
2421 {
|
|
440
|
2422 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
2423 assert (SPECIFIERP (fallback) ||
|
|
|
2424 !NILP (Fvalid_inst_list_p (fallback, Fspecifier_type (specifier))));
|
|
|
2425 if (SPECIFIERP (fallback))
|
|
|
2426 assert (EQ (Fspecifier_type (specifier), Fspecifier_type (fallback)));
|
|
|
2427 if (BODILY_SPECIFIER_P (sp))
|
|
|
2428 GHOST_SPECIFIER(sp)->fallback = fallback;
|
|
|
2429 else
|
|
|
2430 sp->fallback = fallback;
|
|
|
2431 /* call the after-change method */
|
|
|
2432 MAYBE_SPECMETH (sp, after_change,
|
|
|
2433 (bodily_specifier (specifier), Qfallback));
|
|
|
2434 recompute_cached_specifier_everywhere (specifier);
|
|
|
2435 }
|
|
|
2436
|
|
|
2437 DEFUN ("specifier-fallback", Fspecifier_fallback, 1, 1, 0, /*
|
|
|
2438 Return the fallback value for SPECIFIER.
|
|
|
2439 Fallback values are provided by the C code for certain built-in
|
|
2953
|
2440 specifiers to make sure that instantiation won't fail even if all
|
|
428
|
2441 specs are removed from the specifier, or to implement simple
|
|
|
2442 inheritance behavior (e.g. this method is used to ensure that
|
|
2953
|
2443 faces other than `default' inherit their attributes from `default').
|
|
428
|
2444 By design, you cannot change the fallback value, and specifiers
|
|
|
2445 created with `make-specifier' will never have a fallback (although
|
|
|
2446 a similar, Lisp-accessible capability may be provided in the future
|
|
|
2447 to allow for inheritance).
|
|
|
2448
|
|
2953
|
2449 The fallback value will be an inst-list that is instantiated like
|
|
428
|
2450 any other inst-list, a specifier of the same type as SPECIFIER
|
|
|
2451 \(results in inheritance), or nil for no fallback.
|
|
|
2452
|
|
2953
|
2453 When you instantiate a specifier, you can explicitly request that the
|
|
428
|
2454 fallback not be consulted. (The C code does this, for example, when
|
|
|
2455 merging faces.) See `specifier-instance'.
|
|
|
2456 */
|
|
|
2457 (specifier))
|
|
|
2458 {
|
|
|
2459 CHECK_SPECIFIER (specifier);
|
|
|
2460 return Fcopy_tree (XSPECIFIER (specifier)->fallback, Qt);
|
|
|
2461 }
|
|
|
2462
|
|
|
2463 static Lisp_Object
|
|
|
2464 specifier_instance_from_inst_list (Lisp_Object specifier,
|
|
|
2465 Lisp_Object matchspec,
|
|
|
2466 Lisp_Object domain,
|
|
|
2467 Lisp_Object inst_list,
|
|
578
|
2468 Error_Behavior errb, int no_quit,
|
|
2953
|
2469 Lisp_Object depth,
|
|
|
2470 Lisp_Object *instantiator)
|
|
428
|
2471 {
|
|
|
2472 /* This function can GC */
|
|
440
|
2473 Lisp_Specifier *sp;
|
|
428
|
2474 Lisp_Object device;
|
|
|
2475 Lisp_Object rest;
|
|
|
2476 int count = specpdl_depth ();
|
|
|
2477 struct gcpro gcpro1, gcpro2;
|
|
|
2478
|
|
|
2479 GCPRO2 (specifier, inst_list);
|
|
|
2480
|
|
|
2481 sp = XSPECIFIER (specifier);
|
|
442
|
2482 device = DOMAIN_DEVICE (domain);
|
|
428
|
2483
|
|
|
2484 if (no_quit)
|
|
|
2485 /* The instantiate method is allowed to call eval. Since it
|
|
|
2486 is quite common for this function to get called from somewhere in
|
|
|
2487 redisplay we need to make sure that quits are ignored. Otherwise
|
|
|
2488 Fsignal will abort. */
|
|
|
2489 specbind (Qinhibit_quit, Qt);
|
|
|
2490
|
|
|
2491 LIST_LOOP (rest, inst_list)
|
|
|
2492 {
|
|
|
2493 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
2494 Lisp_Object tag_set = XCAR (tagged_inst);
|
|
|
2495
|
|
|
2496 if (device_matches_specifier_tag_set_p (device, tag_set))
|
|
|
2497 {
|
|
|
2498 Lisp_Object val = XCDR (tagged_inst);
|
|
2953
|
2499 Lisp_Object the_instantiator = val;
|
|
|
2500
|
|
428
|
2501
|
|
|
2502 if (HAS_SPECMETH_P (sp, instantiate))
|
|
|
2503 val = call_with_suspended_errors
|
|
|
2504 ((lisp_fn_t) RAW_SPECMETH (sp, instantiate),
|
|
|
2505 Qunbound, Qspecifier, errb, 5, specifier,
|
|
|
2506 matchspec, domain, val, depth);
|
|
|
2507
|
|
|
2508 if (!UNBOUNDP (val))
|
|
|
2509 {
|
|
771
|
2510 unbind_to (count);
|
|
428
|
2511 UNGCPRO;
|
|
2953
|
2512 if (instantiator)
|
|
|
2513 *instantiator = the_instantiator;
|
|
428
|
2514 return val;
|
|
|
2515 }
|
|
|
2516 }
|
|
|
2517 }
|
|
|
2518
|
|
771
|
2519 unbind_to (count);
|
|
428
|
2520 UNGCPRO;
|
|
|
2521 return Qunbound;
|
|
|
2522 }
|
|
|
2523
|
|
|
2524 /* Given a SPECIFIER and a DOMAIN, return a specific instance for that
|
|
|
2525 specifier. Try to find one by checking the specifier types from most
|
|
|
2526 specific (buffer) to most general (global). If we find an instance,
|
|
|
2527 return it. Otherwise return Qunbound. */
|
|
|
2528
|
|
|
2529 #define CHECK_INSTANCE_ENTRY(key, matchspec, type) do { \
|
|
|
2530 Lisp_Object *CIE_inst_list = \
|
|
|
2531 specifier_get_inst_list (specifier, key, type); \
|
|
|
2532 if (CIE_inst_list) \
|
|
|
2533 { \
|
|
|
2534 Lisp_Object CIE_val = \
|
|
|
2535 specifier_instance_from_inst_list (specifier, matchspec, \
|
|
|
2536 domain, *CIE_inst_list, \
|
|
2953
|
2537 errb, no_quit, depth, \
|
|
|
2538 instantiator); \
|
|
428
|
2539 if (!UNBOUNDP (CIE_val)) \
|
|
|
2540 return CIE_val; \
|
|
|
2541 } \
|
|
|
2542 } while (0)
|
|
|
2543
|
|
|
2544 /* We accept any window, frame or device domain and do our checking
|
|
|
2545 starting from as specific a locale type as we can determine from the
|
|
|
2546 domain we are passed and going on up through as many other locale types
|
|
|
2547 as we can determine. In practice, when called from redisplay the
|
|
|
2548 arg will usually be a window and occasionally a frame. If
|
|
|
2549 triggered by a user call, who knows what it will usually be. */
|
|
2953
|
2550
|
|
|
2551 static Lisp_Object
|
|
|
2552 specifier_instance_1 (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2553 Lisp_Object domain, Error_Behavior errb, int no_quit,
|
|
|
2554 int no_fallback, Lisp_Object depth,
|
|
|
2555 Lisp_Object *instantiator)
|
|
428
|
2556 {
|
|
|
2557 Lisp_Object buffer = Qnil;
|
|
|
2558 Lisp_Object window = Qnil;
|
|
|
2559 Lisp_Object frame = Qnil;
|
|
|
2560 Lisp_Object device = Qnil;
|
|
444
|
2561 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
2562
|
|
2953
|
2563 if (instantiator)
|
|
|
2564 *instantiator = Qunbound;
|
|
|
2565
|
|
428
|
2566 /* Attempt to determine buffer, window, frame, and device from the
|
|
|
2567 domain. */
|
|
442
|
2568 /* #### get image instances out of domains! */
|
|
|
2569 if (IMAGE_INSTANCEP (domain))
|
|
|
2570 window = DOMAIN_WINDOW (domain);
|
|
|
2571 else if (WINDOWP (domain))
|
|
428
|
2572 window = domain;
|
|
|
2573 else if (FRAMEP (domain))
|
|
|
2574 frame = domain;
|
|
|
2575 else if (DEVICEP (domain))
|
|
|
2576 device = domain;
|
|
|
2577 else
|
|
442
|
2578 /* dmoore writes: [dammit, this should just signal an error or something
|
|
|
2579 shouldn't it?]
|
|
|
2580
|
|
|
2581 No. Errors are handled in Lisp primitives implementation.
|
|
428
|
2582 Invalid domain is a design error here - kkm. */
|
|
2500
|
2583 ABORT ();
|
|
428
|
2584
|
|
|
2585 if (NILP (buffer) && !NILP (window))
|
|
444
|
2586 buffer = WINDOW_BUFFER (XWINDOW (window));
|
|
428
|
2587 if (NILP (frame) && !NILP (window))
|
|
|
2588 frame = XWINDOW (window)->frame;
|
|
|
2589 if (NILP (device))
|
|
|
2590 /* frame had better exist; if device is undeterminable, something
|
|
|
2591 really went wrong. */
|
|
444
|
2592 device = FRAME_DEVICE (XFRAME (frame));
|
|
428
|
2593
|
|
|
2594 /* device had better be determined by now; abort if not. */
|
|
2286
|
2595 (void) DEVICE_CLASS (XDEVICE (device));
|
|
428
|
2596
|
|
|
2597 depth = make_int (1 + XINT (depth));
|
|
|
2598 if (XINT (depth) > 20)
|
|
|
2599 {
|
|
563
|
2600 maybe_signal_error (Qstack_overflow,
|
|
|
2601 "Apparent loop in specifier inheritance",
|
|
|
2602 Qunbound, Qspecifier, errb);
|
|
428
|
2603 /* The specification is fucked; at least try the fallback
|
|
|
2604 (which better not be fucked, because it's not changeable
|
|
|
2605 from Lisp). */
|
|
|
2606 depth = Qzero;
|
|
|
2607 goto do_fallback;
|
|
|
2608 }
|
|
|
2609
|
|
434
|
2610 retry:
|
|
428
|
2611 /* First see if we can generate one from the window specifiers. */
|
|
|
2612 if (!NILP (window))
|
|
|
2613 CHECK_INSTANCE_ENTRY (window, matchspec, LOCALE_WINDOW);
|
|
|
2614
|
|
|
2615 /* Next see if we can generate one from the buffer specifiers. */
|
|
|
2616 if (!NILP (buffer))
|
|
|
2617 CHECK_INSTANCE_ENTRY (buffer, matchspec, LOCALE_BUFFER);
|
|
|
2618
|
|
|
2619 /* Next see if we can generate one from the frame specifiers. */
|
|
|
2620 if (!NILP (frame))
|
|
|
2621 CHECK_INSTANCE_ENTRY (frame, matchspec, LOCALE_FRAME);
|
|
|
2622
|
|
|
2623 /* If we still haven't succeeded try with the device specifiers. */
|
|
|
2624 CHECK_INSTANCE_ENTRY (device, matchspec, LOCALE_DEVICE);
|
|
|
2625
|
|
|
2626 /* Last and least try the global specifiers. */
|
|
|
2627 CHECK_INSTANCE_ENTRY (Qglobal, matchspec, LOCALE_GLOBAL);
|
|
|
2628
|
|
434
|
2629 do_fallback:
|
|
428
|
2630 /* We're out of specifiers and we still haven't generated an
|
|
|
2631 instance. At least try the fallback ... If this fails,
|
|
|
2632 then we just return Qunbound. */
|
|
|
2633
|
|
|
2634 if (no_fallback || NILP (sp->fallback))
|
|
|
2635 /* I said, I don't want the fallbacks. */
|
|
|
2636 return Qunbound;
|
|
|
2637
|
|
|
2638 if (SPECIFIERP (sp->fallback))
|
|
|
2639 {
|
|
|
2640 /* If you introduced loops in the default specifier chain,
|
|
|
2641 then you're fucked, so you better not do this. */
|
|
|
2642 specifier = sp->fallback;
|
|
|
2643 sp = XSPECIFIER (specifier);
|
|
|
2644 goto retry;
|
|
|
2645 }
|
|
|
2646
|
|
|
2647 assert (CONSP (sp->fallback));
|
|
|
2648 return specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2649 sp->fallback, errb, no_quit,
|
|
2953
|
2650 depth, instantiator);
|
|
428
|
2651 }
|
|
|
2652 #undef CHECK_INSTANCE_ENTRY
|
|
|
2653
|
|
|
2654 Lisp_Object
|
|
2953
|
2655 specifier_instance (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2656 Lisp_Object domain, Error_Behavior errb, int no_quit,
|
|
|
2657 int no_fallback, Lisp_Object depth)
|
|
|
2658 {
|
|
|
2659 return specifier_instance_1 (specifier, matchspec, domain, errb,
|
|
|
2660 no_quit, no_fallback, depth, NULL);
|
|
|
2661 }
|
|
|
2662
|
|
|
2663 Lisp_Object
|
|
428
|
2664 specifier_instance_no_quit (Lisp_Object specifier, Lisp_Object matchspec,
|
|
578
|
2665 Lisp_Object domain, Error_Behavior errb,
|
|
428
|
2666 int no_fallback, Lisp_Object depth)
|
|
|
2667 {
|
|
2953
|
2668 return specifier_instance_1 (specifier, matchspec, domain, errb,
|
|
|
2669 1, no_fallback, depth, NULL);
|
|
|
2670 }
|
|
|
2671
|
|
|
2672 static Lisp_Object
|
|
|
2673 specifier_matching_foo (Lisp_Object specifier,
|
|
|
2674 Lisp_Object matchspec,
|
|
|
2675 Lisp_Object domain,
|
|
|
2676 Lisp_Object default_,
|
|
|
2677 Lisp_Object no_fallback,
|
|
|
2678 int want_instantiator)
|
|
|
2679 {
|
|
|
2680 Lisp_Object instance, instantiator;
|
|
|
2681
|
|
|
2682 CHECK_SPECIFIER (specifier);
|
|
|
2683 if (!UNBOUNDP (matchspec))
|
|
|
2684 check_valid_specifier_matchspec (matchspec,
|
|
|
2685 XSPECIFIER (specifier)->methods,
|
|
|
2686 ERROR_ME);
|
|
|
2687 domain = decode_domain (domain);
|
|
|
2688
|
|
|
2689 instance = specifier_instance_1 (specifier, matchspec, domain, ERROR_ME,
|
|
|
2690 0, !NILP (no_fallback), Qzero,
|
|
|
2691 &instantiator);
|
|
|
2692 return UNBOUNDP (instance) ? default_ : want_instantiator ? instantiator :
|
|
|
2693 instance;
|
|
428
|
2694 }
|
|
|
2695
|
|
|
2696 DEFUN ("specifier-instance", Fspecifier_instance, 1, 4, 0, /*
|
|
|
2697 Instantiate SPECIFIER (return its value) in DOMAIN.
|
|
|
2698 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2699
|
|
2953
|
2700 DOMAIN is nearly always a window (defaulting to the selected window if
|
|
|
2701 omitted), but can be a window, frame, or device. Other values that are legal
|
|
428
|
2702 as a locale (e.g. a buffer) are not valid as a domain because they do not
|
|
|
2703 provide enough information to identify a particular device (see
|
|
2953
|
2704 `valid-specifier-domain-p'). Window domains are used internally in nearly
|
|
|
2705 all circumstances when computing specifier instances of display properties.
|
|
|
2706 Frame domains are used in a few circumstances (such as when computing the
|
|
|
2707 geometry of a frame based on properties such as the toolbar widths), and
|
|
|
2708 device domains are rarely if ever used internally.
|
|
|
2709
|
|
|
2710 This function looks through the specifications in SPECIFIER that correspond
|
|
|
2711 to DOMAIN, from most specific (specifications for DOMAIN itself) to most
|
|
|
2712 general (global specifications), for matching instantiators, and attempts
|
|
|
2713 to compute an instance value for each instantiator found. The first
|
|
|
2714 successfully computed value is returned. The corresponding instantiator
|
|
|
2715 can be returned using `specifier-instantiator'.
|
|
|
2716
|
|
|
2717 A specifier is a generalized object for controlling the value of a property --
|
|
|
2718 typically, but not necessarily, a display-related property -- that can vary
|
|
|
2719 over particular buffers, frames, device types, etc.
|
|
|
2720
|
|
|
2721 A fundamental distinction must be made between the specification of a
|
|
|
2722 property's value, and the resulting value itself. This distinction is
|
|
|
2723 clearest in the case of an image -- the specification describes the source
|
|
|
2724 of the image (for example, a file of JPEG data), and the resulting value
|
|
|
2725 encapsulates a window-system object describing the image as displayed on a
|
|
|
2726 particular device (for example, a particular X display). The specification
|
|
|
2727 might also be an instruction of the form "use the background pixmap of the
|
|
|
2728 `modeline' face". A similar mapping exists between color strings and
|
|
|
2729 color-instance objects, and font strings and font-instance objects. In
|
|
|
2730 some cases, the specification and the resulting value are of the same type,
|
|
|
2731 but the distinction is still logically made.
|
|
|
2732
|
|
|
2733 The specification of a value is called an instantiator, and the resulting
|
|
|
2734 value the instance.
|
|
428
|
2735
|
|
|
2736 "Instantiating" a specifier in a particular domain means determining
|
|
|
2737 the specifier's "value" in that domain. This is accomplished by
|
|
|
2738 searching through the specifications in the specifier that correspond
|
|
|
2739 to all locales that can be derived from the given domain, from specific
|
|
|
2740 to general. In most cases, the domain is an Emacs window. In that case
|
|
|
2741 specifications are searched for as follows:
|
|
|
2742
|
|
|
2743 1. A specification whose locale is the window itself;
|
|
|
2744 2. A specification whose locale is the window's buffer;
|
|
|
2745 3. A specification whose locale is the window's frame;
|
|
|
2746 4. A specification whose locale is the window's frame's device;
|
|
2953
|
2747 5. A specification whose locale is `global'.
|
|
428
|
2748
|
|
|
2749 If all of those fail, then the C-code-provided fallback value for
|
|
|
2750 this specifier is consulted (see `specifier-fallback'). If it is
|
|
|
2751 an inst-list, then this function attempts to instantiate that list
|
|
|
2752 just as when a specification is located in the first five steps above.
|
|
|
2753 If the fallback is a specifier, `specifier-instance' is called
|
|
|
2754 recursively on this specifier and the return value used. Note,
|
|
|
2755 however, that if the optional argument NO-FALLBACK is non-nil,
|
|
|
2756 the fallback value will not be consulted.
|
|
|
2757
|
|
|
2758 Note that there may be more than one specification matching a particular
|
|
|
2759 locale; all such specifications are considered before looking for any
|
|
|
2760 specifications for more general locales. Any particular specification
|
|
|
2761 that is found may be rejected because its tag set does not match the
|
|
|
2762 device being instantiated over, or because the specification is not
|
|
|
2763 valid for the device of the given domain (e.g. the font or color name
|
|
|
2764 does not exist for this particular X server).
|
|
|
2765
|
|
793
|
2766 NOTE: When errors occur in the process of trying a particular instantiator,
|
|
|
2767 and the instantiator is thus skipped, warnings will be issued at level
|
|
|
2768 `debug'. Normally, such warnings are ignored entirely, but you can change
|
|
|
2769 this by setting `log-warning-minimum-level'. This is useful if you're
|
|
|
2770 trying to debug why particular instantiators are not being processed.
|
|
|
2771
|
|
428
|
2772 The returned value is dependent on the type of specifier. For example,
|
|
|
2773 for a font specifier (as returned by the `face-font' function), the returned
|
|
|
2774 value will be a font-instance object. For glyphs, the returned value
|
|
2953
|
2775 will be an image-instance object.
|
|
428
|
2776
|
|
|
2777 See also `specifier-matching-instance'.
|
|
|
2778 */
|
|
|
2779 (specifier, domain, default_, no_fallback))
|
|
|
2780 {
|
|
2953
|
2781 return specifier_matching_foo (specifier, Qunbound, domain, default_,
|
|
|
2782 no_fallback, 0);
|
|
|
2783 }
|
|
|
2784
|
|
|
2785 DEFUN ("specifier-instantiator", Fspecifier_instantiator, 1, 4, 0, /*
|
|
|
2786 Return instantiator that would be used to instantiate SPECIFIER in DOMAIN.
|
|
|
2787 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2788
|
|
|
2789 DOMAIN should be a window, frame, or device. Other values that are legal
|
|
|
2790 as a locale (e.g. a buffer) are not valid as a domain because they do not
|
|
|
2791 provide enough information to identify a particular device (see
|
|
|
2792 `valid-specifier-domain-p'). DOMAIN defaults to the selected window
|
|
|
2793 if omitted.
|
|
|
2794
|
|
|
2795 See `specifier-instance' for more information about the instantiation process.
|
|
|
2796 */
|
|
|
2797 (specifier, domain, default_, no_fallback))
|
|
|
2798 {
|
|
|
2799 return specifier_matching_foo (specifier, Qunbound, domain, default_,
|
|
|
2800 no_fallback, 1);
|
|
428
|
2801 }
|
|
|
2802
|
|
|
2803 DEFUN ("specifier-matching-instance", Fspecifier_matching_instance, 2, 5, 0, /*
|
|
|
2804 Return an instance for SPECIFIER in DOMAIN that matches MATCHSPEC.
|
|
|
2805 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2806
|
|
|
2807 This function is identical to `specifier-instance' except that a
|
|
|
2808 specification will only be considered if it matches MATCHSPEC.
|
|
|
2809 The definition of "match", and allowed values for MATCHSPEC, are
|
|
|
2810 dependent on the particular type of specifier. Here are some examples:
|
|
|
2811
|
|
|
2812 -- For chartable (e.g. display table) specifiers, MATCHSPEC should be a
|
|
|
2813 character, and the specification (a chartable) must give a value for
|
|
|
2814 that character in order to be considered. This allows you to specify,
|
|
|
2815 e.g., a buffer-local display table that only gives values for particular
|
|
|
2816 characters. All other characters are handled as if the buffer-local
|
|
|
2817 display table is not there. (Chartable specifiers are not yet
|
|
|
2818 implemented.)
|
|
|
2819
|
|
872
|
2820 -- For font specifiers, MATCHSPEC should be a list (CHARSET . SECOND-STAGE-P),
|
|
|
2821 and the specification (a font string) must have a registry that matches
|
|
|
2822 the charset's registry. (This only makes sense with Mule support.) This
|
|
|
2823 makes it easy to choose a font that can display a particular
|
|
|
2824 character. (This is what redisplay does, in fact.) SECOND-STAGE-P means
|
|
|
2825 to ignore the font's registry and instead look at the characters in the
|
|
|
2826 font to see if the font can support the charset. This currently only makes
|
|
|
2827 sense under MS Windows.
|
|
428
|
2828 */
|
|
|
2829 (specifier, matchspec, domain, default_, no_fallback))
|
|
|
2830 {
|
|
2953
|
2831 return specifier_matching_foo (specifier, matchspec, domain, default_,
|
|
|
2832 no_fallback, 0);
|
|
|
2833 }
|
|
|
2834
|
|
|
2835 DEFUN ("specifier-matching-instantiator", Fspecifier_matching_instantiator,
|
|
|
2836 2, 5, 0, /*
|
|
|
2837 Return instantiator for instance of SPECIFIER in DOMAIN that matches MATCHSPEC.
|
|
|
2838 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2839
|
|
|
2840 This function is identical to `specifier-matching-instance' but returns
|
|
|
2841 the instantiator used to generate the instance, rather than the actual
|
|
|
2842 instance.
|
|
|
2843 */
|
|
|
2844 (specifier, matchspec, domain, default_, no_fallback))
|
|
|
2845 {
|
|
|
2846 return specifier_matching_foo (specifier, matchspec, domain, default_,
|
|
|
2847 no_fallback, 1);
|
|
|
2848 }
|
|
|
2849
|
|
|
2850 static Lisp_Object
|
|
|
2851 specifier_matching_foo_from_inst_list (Lisp_Object specifier,
|
|
|
2852 Lisp_Object matchspec,
|
|
|
2853 Lisp_Object domain,
|
|
|
2854 Lisp_Object inst_list,
|
|
|
2855 Lisp_Object default_,
|
|
|
2856 int want_instantiator)
|
|
|
2857 {
|
|
|
2858 Lisp_Object val = Qunbound;
|
|
|
2859 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
|
2860 struct gcpro gcpro1;
|
|
|
2861 Lisp_Object built_up_list = Qnil;
|
|
|
2862 Lisp_Object instantiator;
|
|
428
|
2863
|
|
|
2864 CHECK_SPECIFIER (specifier);
|
|
2953
|
2865 if (!UNBOUNDP (matchspec))
|
|
|
2866 check_valid_specifier_matchspec (matchspec,
|
|
|
2867 XSPECIFIER (specifier)->methods,
|
|
|
2868 ERROR_ME);
|
|
|
2869 check_valid_domain (domain);
|
|
|
2870 check_valid_inst_list (inst_list, sp->methods, ERROR_ME);
|
|
|
2871 GCPRO1 (built_up_list);
|
|
|
2872 built_up_list = build_up_processed_list (specifier, domain, inst_list);
|
|
|
2873 if (!NILP (built_up_list))
|
|
|
2874 val = specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2875 built_up_list, ERROR_ME,
|
|
|
2876 0, Qzero, &instantiator);
|
|
|
2877 UNGCPRO;
|
|
|
2878 return UNBOUNDP (val) ? default_ : want_instantiator ? instantiator : val;
|
|
|
2879
|
|
428
|
2880 }
|
|
|
2881
|
|
|
2882 DEFUN ("specifier-instance-from-inst-list", Fspecifier_instance_from_inst_list,
|
|
|
2883 3, 4, 0, /*
|
|
|
2884 Attempt to convert a particular inst-list into an instance.
|
|
|
2885 This attempts to instantiate INST-LIST in the given DOMAIN,
|
|
|
2886 as if INST-LIST existed in a specification in SPECIFIER. If
|
|
|
2887 the instantiation fails, DEFAULT is returned. In most circumstances,
|
|
|
2888 you should not use this function; use `specifier-instance' instead.
|
|
|
2889 */
|
|
|
2890 (specifier, domain, inst_list, default_))
|
|
|
2891 {
|
|
2953
|
2892 return specifier_matching_foo_from_inst_list (specifier, Qunbound,
|
|
|
2893 domain, inst_list, default_,
|
|
|
2894 0);
|
|
|
2895 }
|
|
|
2896
|
|
|
2897 DEFUN ("specifier-instantiator-from-inst-list", Fspecifier_instantiator_from_inst_list,
|
|
|
2898 3, 4, 0, /*
|
|
|
2899 Attempt to convert an inst-list into an instance; return instantiator.
|
|
|
2900 This is identical to `specifier-instance-from-inst-list' but returns
|
|
|
2901 the instantiator used to generate the instance, rather than the instance
|
|
|
2902 itself.
|
|
|
2903 */
|
|
|
2904 (specifier, domain, inst_list, default_))
|
|
|
2905 {
|
|
|
2906 return specifier_matching_foo_from_inst_list (specifier, Qunbound,
|
|
|
2907 domain, inst_list, default_,
|
|
|
2908 1);
|
|
428
|
2909 }
|
|
|
2910
|
|
442
|
2911 DEFUN ("specifier-matching-instance-from-inst-list",
|
|
|
2912 Fspecifier_matching_instance_from_inst_list,
|
|
428
|
2913 4, 5, 0, /*
|
|
|
2914 Attempt to convert a particular inst-list into an instance.
|
|
|
2915 This attempts to instantiate INST-LIST in the given DOMAIN
|
|
|
2916 \(as if INST-LIST existed in a specification in SPECIFIER),
|
|
|
2917 matching the specifications against MATCHSPEC.
|
|
|
2918
|
|
|
2919 This function is analogous to `specifier-instance-from-inst-list'
|
|
|
2920 but allows for specification-matching as in `specifier-matching-instance'.
|
|
|
2921 See that function for a description of exactly how the matching process
|
|
|
2922 works.
|
|
|
2923 */
|
|
|
2924 (specifier, matchspec, domain, inst_list, default_))
|
|
|
2925 {
|
|
2953
|
2926 return specifier_matching_foo_from_inst_list (specifier, matchspec,
|
|
|
2927 domain, inst_list, default_,
|
|
|
2928 0);
|
|
|
2929 }
|
|
|
2930
|
|
|
2931 DEFUN ("specifier-matching-instantiator-from-inst-list",
|
|
|
2932 Fspecifier_matching_instantiator_from_inst_list,
|
|
|
2933 4, 5, 0, /*
|
|
|
2934 Attempt to convert an inst-list into an instance; return instantiator.
|
|
|
2935 This is identical to `specifier-matching-instance-from-inst-list' but returns
|
|
|
2936 the instantiator used to generate the instance, rather than the instance
|
|
|
2937 itself.
|
|
|
2938 */
|
|
|
2939 (specifier, matchspec, domain, inst_list, default_))
|
|
|
2940 {
|
|
|
2941 return specifier_matching_foo_from_inst_list (specifier, matchspec,
|
|
|
2942 domain, inst_list, default_,
|
|
|
2943 1);
|
|
428
|
2944 }
|
|
|
2945
|
|
|
2946
|
|
|
2947 /************************************************************************/
|
|
|
2948 /* Caching in the struct window or frame */
|
|
|
2949 /************************************************************************/
|
|
|
2950
|
|
853
|
2951 /* Cause the current value of SPECIFIER in the domain of each frame and/or
|
|
|
2952 window to be cached in the struct frame at STRUCT_FRAME_OFFSET and the
|
|
|
2953 struct window at STRUCT_WINDOW_OFFSET. When the value changes in a
|
|
|
2954 particular window, VALUE_CHANGED_IN_WINDOW is called. When the value
|
|
|
2955 changes in a particular frame, VALUE_CHANGED_IN_FRAME is called.
|
|
|
2956
|
|
|
2957 Either STRUCT_WINDOW_OFFSET or STRUCT_FRAME_OFFSET can be 0 to indicate
|
|
|
2958 no caching in that sort of object. However, if they're not 0, you
|
|
|
2959 must supply a corresponding value-changed function. (This is the case
|
|
|
2960 so that you are forced to consider the ramifications of a value change.
|
|
|
2961 You nearly always need to do something, e.g. set a dirty flag.)
|
|
|
2962
|
|
|
2963 If you create a built-in specifier, you should do the following:
|
|
|
2964
|
|
|
2965 - Make sure the file you create the specifier in has a
|
|
|
2966 specifier_vars_of_foo() function. If not, create it, declare it in
|
|
|
2967 symsinit.h, and make sure it's called in the appropriate place in
|
|
|
2968 emacs.c.
|
|
|
2969 - In specifier_vars_of_foo(), do a DEFVAR_SPECIFIER(), followed by
|
|
|
2970 initializing the specifier using Fmake_specifier(), followed by
|
|
|
2971 set_specifier_fallback(), followed (optionally) by
|
|
|
2972 set_specifier_caching().
|
|
|
2973 - If you used set_specifier_caching(), make sure to create the
|
|
|
2974 appropriate value-changed functions. Also make sure to add the
|
|
|
2975 appropriate slots where the values are cached to frameslots.h and
|
|
|
2976 winslots.h.
|
|
|
2977
|
|
|
2978 Do a grep for menubar_visible_p for an example.
|
|
|
2979 */
|
|
428
|
2980
|
|
|
2981 /* #### It would be nice if the specifier caching automatically knew
|
|
|
2982 about specifier fallbacks, so we didn't have to do it ourselves. */
|
|
|
2983
|
|
|
2984 void
|
|
|
2985 set_specifier_caching (Lisp_Object specifier, int struct_window_offset,
|
|
|
2986 void (*value_changed_in_window)
|
|
|
2987 (Lisp_Object specifier, struct window *w,
|
|
|
2988 Lisp_Object oldval),
|
|
|
2989 int struct_frame_offset,
|
|
|
2990 void (*value_changed_in_frame)
|
|
|
2991 (Lisp_Object specifier, struct frame *f,
|
|
444
|
2992 Lisp_Object oldval),
|
|
|
2993 int always_recompute)
|
|
428
|
2994 {
|
|
440
|
2995 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
2996 assert (!GHOST_SPECIFIER_P (sp));
|
|
|
2997
|
|
|
2998 if (!sp->caching)
|
|
|
2999 sp->caching = xnew_and_zero (struct specifier_caching);
|
|
|
3000 sp->caching->offset_into_struct_window = struct_window_offset;
|
|
|
3001 sp->caching->value_changed_in_window = value_changed_in_window;
|
|
|
3002 sp->caching->offset_into_struct_frame = struct_frame_offset;
|
|
|
3003 sp->caching->value_changed_in_frame = value_changed_in_frame;
|
|
853
|
3004 if (struct_window_offset)
|
|
|
3005 assert (value_changed_in_window);
|
|
|
3006 if (struct_frame_offset)
|
|
|
3007 assert (value_changed_in_frame);
|
|
444
|
3008 sp->caching->always_recompute = always_recompute;
|
|
428
|
3009 Vcached_specifiers = Fcons (specifier, Vcached_specifiers);
|
|
|
3010 if (BODILY_SPECIFIER_P (sp))
|
|
|
3011 GHOST_SPECIFIER(sp)->caching = sp->caching;
|
|
|
3012 recompute_cached_specifier_everywhere (specifier);
|
|
|
3013 }
|
|
|
3014
|
|
|
3015 static void
|
|
|
3016 recompute_one_cached_specifier_in_window (Lisp_Object specifier,
|
|
|
3017 struct window *w)
|
|
|
3018 {
|
|
|
3019 Lisp_Object window;
|
|
444
|
3020 Lisp_Object newval, *location, oldval;
|
|
428
|
3021
|
|
|
3022 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
3023
|
|
793
|
3024 window = wrap_window (w);
|
|
428
|
3025
|
|
|
3026 newval = specifier_instance (specifier, Qunbound, window, ERROR_ME_WARN,
|
|
|
3027 0, 0, Qzero);
|
|
|
3028 /* If newval ended up Qunbound, then the calling functions
|
|
|
3029 better be able to deal. If not, set a default so this
|
|
|
3030 never happens or correct it in the value_changed_in_window
|
|
|
3031 method. */
|
|
|
3032 location = (Lisp_Object *)
|
|
|
3033 ((char *) w + XSPECIFIER (specifier)->caching->offset_into_struct_window);
|
|
442
|
3034 /* #### What's the point of this check, other than to optimize image
|
|
|
3035 instance instantiation? Unless you specify a caching instantiate
|
|
|
3036 method the instantiation that specifier_instance will do will
|
|
|
3037 always create a new copy. Thus EQ will always fail. Unfortunately
|
|
|
3038 calling equal is no good either as this doesn't take into account
|
|
|
3039 things attached to the specifier - for instance strings on
|
|
|
3040 extents. --andyp */
|
|
444
|
3041 if (!EQ (newval, *location) || XSPECIFIER (specifier)->caching->always_recompute)
|
|
428
|
3042 {
|
|
444
|
3043 oldval = *location;
|
|
428
|
3044 *location = newval;
|
|
|
3045 (XSPECIFIER (specifier)->caching->value_changed_in_window)
|
|
|
3046 (specifier, w, oldval);
|
|
|
3047 }
|
|
|
3048 }
|
|
|
3049
|
|
|
3050 static void
|
|
|
3051 recompute_one_cached_specifier_in_frame (Lisp_Object specifier,
|
|
|
3052 struct frame *f)
|
|
|
3053 {
|
|
|
3054 Lisp_Object frame;
|
|
444
|
3055 Lisp_Object newval, *location, oldval;
|
|
428
|
3056
|
|
|
3057 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
3058
|
|
793
|
3059 frame = wrap_frame (f);
|
|
428
|
3060
|
|
|
3061 newval = specifier_instance (specifier, Qunbound, frame, ERROR_ME_WARN,
|
|
|
3062 0, 0, Qzero);
|
|
|
3063 /* If newval ended up Qunbound, then the calling functions
|
|
|
3064 better be able to deal. If not, set a default so this
|
|
|
3065 never happens or correct it in the value_changed_in_frame
|
|
|
3066 method. */
|
|
|
3067 location = (Lisp_Object *)
|
|
|
3068 ((char *) f + XSPECIFIER (specifier)->caching->offset_into_struct_frame);
|
|
444
|
3069 if (!EQ (newval, *location) || XSPECIFIER (specifier)->caching->always_recompute)
|
|
428
|
3070 {
|
|
444
|
3071 oldval = *location;
|
|
428
|
3072 *location = newval;
|
|
|
3073 (XSPECIFIER (specifier)->caching->value_changed_in_frame)
|
|
|
3074 (specifier, f, oldval);
|
|
|
3075 }
|
|
|
3076 }
|
|
|
3077
|
|
|
3078 void
|
|
|
3079 recompute_all_cached_specifiers_in_window (struct window *w)
|
|
|
3080 {
|
|
|
3081 Lisp_Object rest;
|
|
|
3082
|
|
|
3083 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
3084 {
|
|
|
3085 Lisp_Object specifier = XCAR (rest);
|
|
|
3086 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
3087 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
3088 }
|
|
|
3089 }
|
|
|
3090
|
|
|
3091 void
|
|
|
3092 recompute_all_cached_specifiers_in_frame (struct frame *f)
|
|
|
3093 {
|
|
|
3094 Lisp_Object rest;
|
|
|
3095
|
|
|
3096 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
3097 {
|
|
|
3098 Lisp_Object specifier = XCAR (rest);
|
|
|
3099 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
3100 recompute_one_cached_specifier_in_frame (specifier, f);
|
|
|
3101 }
|
|
|
3102 }
|
|
|
3103
|
|
|
3104 static int
|
|
|
3105 recompute_cached_specifier_everywhere_mapfun (struct window *w,
|
|
|
3106 void *closure)
|
|
|
3107 {
|
|
|
3108 Lisp_Object specifier = Qnil;
|
|
|
3109
|
|
826
|
3110 specifier = VOID_TO_LISP (closure);
|
|
428
|
3111 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
3112 return 0;
|
|
|
3113 }
|
|
|
3114
|
|
|
3115 static void
|
|
|
3116 recompute_cached_specifier_everywhere (Lisp_Object specifier)
|
|
|
3117 {
|
|
|
3118 Lisp_Object frmcons, devcons, concons;
|
|
|
3119
|
|
|
3120 specifier = bodily_specifier (specifier);
|
|
|
3121
|
|
|
3122 if (!XSPECIFIER (specifier)->caching)
|
|
|
3123 return;
|
|
|
3124
|
|
|
3125 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
3126 {
|
|
|
3127 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
3128 map_windows (XFRAME (XCAR (frmcons)),
|
|
|
3129 recompute_cached_specifier_everywhere_mapfun,
|
|
|
3130 LISP_TO_VOID (specifier));
|
|
|
3131 }
|
|
|
3132
|
|
|
3133 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
3134 {
|
|
|
3135 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
3136 recompute_one_cached_specifier_in_frame (specifier,
|
|
|
3137 XFRAME (XCAR (frmcons)));
|
|
|
3138 }
|
|
|
3139 }
|
|
|
3140
|
|
|
3141 DEFUN ("set-specifier-dirty-flag", Fset_specifier_dirty_flag, 1, 1, 0, /*
|
|
|
3142 Force recomputation of any caches associated with SPECIFIER.
|
|
|
3143 Note that this automatically happens whenever you change a specification
|
|
|
3144 in SPECIFIER; you do not have to call this function then.
|
|
|
3145 One example of where this function is useful is when you have a
|
|
|
3146 toolbar button whose `active-p' field is an expression to be
|
|
|
3147 evaluated. Calling `set-specifier-dirty-flag' on the
|
|
|
3148 toolbar specifier will force the `active-p' fields to be
|
|
|
3149 recomputed.
|
|
|
3150 */
|
|
|
3151 (specifier))
|
|
|
3152 {
|
|
|
3153 CHECK_SPECIFIER (specifier);
|
|
|
3154 recompute_cached_specifier_everywhere (specifier);
|
|
|
3155 return Qnil;
|
|
|
3156 }
|
|
|
3157
|
|
|
3158
|
|
|
3159 /************************************************************************/
|
|
|
3160 /* Generic specifier type */
|
|
|
3161 /************************************************************************/
|
|
|
3162
|
|
|
3163 DEFINE_SPECIFIER_TYPE (generic);
|
|
|
3164
|
|
|
3165 #if 0
|
|
|
3166
|
|
|
3167 /* This is the string that used to be in `generic-specifier-p'.
|
|
|
3168 The idea is good, but it doesn't quite work in the form it's
|
|
|
3169 in. (One major problem is that validating an instantiator
|
|
|
3170 is supposed to require only that the specifier type is passed,
|
|
|
3171 while with this approach the actual specifier is needed.)
|
|
|
3172
|
|
|
3173 What really needs to be done is to write a function
|
|
|
3174 `make-specifier-type' that creates new specifier types.
|
|
442
|
3175
|
|
|
3176 #### [I'll look into this for 19.14.] Well, sometime. (Currently
|
|
|
3177 May 2000, 21.2 is in development. 19.14 was released in June 1996.) */
|
|
428
|
3178
|
|
|
3179 "A generic specifier is a generalized kind of specifier with user-defined\n"
|
|
|
3180 "semantics. The instantiator can be any kind of Lisp object, and the\n"
|
|
|
3181 "instance computed from it is likewise any kind of Lisp object. The\n"
|
|
|
3182 "SPECIFIER-DATA should be an alist of methods governing how the specifier\n"
|
|
|
3183 "works. All methods are optional, and reasonable default methods will be\n"
|
|
2953
|
3184 "provided. Currently there are two defined methods: `instantiate' and\n"
|
|
|
3185 "`validate'.\n"
|
|
428
|
3186 "\n"
|
|
2953
|
3187 "`instantiate' specifies how to do the instantiation; if omitted, the\n"
|
|
428
|
3188 "instantiator itself is simply returned as the instance. The method\n"
|
|
|
3189 "should be a function that accepts three parameters (a specifier, the\n"
|
|
|
3190 "instantiator that matched the domain being instantiated over, and that\n"
|
|
|
3191 "domain), and should return a one-element list containing the instance,\n"
|
|
|
3192 "or nil if no instance exists. Note that the domain passed to this function\n"
|
|
|
3193 "is the domain being instantiated over, which may not be the same as the\n"
|
|
|
3194 "locale contained in the specification corresponding to the instantiator\n"
|
|
|
3195 "(for example, the domain being instantiated over could be a window, but\n"
|
|
|
3196 "the locale corresponding to the passed instantiator could be the window's\n"
|
|
|
3197 "buffer or frame).\n"
|
|
|
3198 "\n"
|
|
2953
|
3199 "`validate' specifies whether a given instantiator is valid; if omitted,\n"
|
|
428
|
3200 "all instantiators are considered valid. It should be a function of\n"
|
|
|
3201 "two arguments: an instantiator and a flag CAN-SIGNAL-ERROR. If this\n"
|
|
|
3202 "flag is false, the function must simply return t or nil indicating\n"
|
|
|
3203 "whether the instantiator is valid. If this flag is true, the function\n"
|
|
|
3204 "is free to signal an error if it encounters an invalid instantiator\n"
|
|
|
3205 "(this can be useful for issuing a specific error about exactly why the\n"
|
|
|
3206 "instantiator is valid). It can also return nil to indicate an invalid\n"
|
|
|
3207 "instantiator; in this case, a general error will be signalled."
|
|
|
3208
|
|
|
3209 #endif /* 0 */
|
|
|
3210
|
|
|
3211 DEFUN ("generic-specifier-p", Fgeneric_specifier_p, 1, 1, 0, /*
|
|
|
3212 Return non-nil if OBJECT is a generic specifier.
|
|
|
3213
|
|
442
|
3214 See `make-generic-specifier' for a description of possible generic
|
|
|
3215 instantiators.
|
|
428
|
3216 */
|
|
|
3217 (object))
|
|
|
3218 {
|
|
|
3219 return GENERIC_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3220 }
|
|
|
3221
|
|
|
3222
|
|
|
3223 /************************************************************************/
|
|
|
3224 /* Integer specifier type */
|
|
|
3225 /************************************************************************/
|
|
|
3226
|
|
|
3227 DEFINE_SPECIFIER_TYPE (integer);
|
|
|
3228
|
|
|
3229 static void
|
|
|
3230 integer_validate (Lisp_Object instantiator)
|
|
|
3231 {
|
|
|
3232 CHECK_INT (instantiator);
|
|
|
3233 }
|
|
|
3234
|
|
|
3235 DEFUN ("integer-specifier-p", Finteger_specifier_p, 1, 1, 0, /*
|
|
|
3236 Return non-nil if OBJECT is an integer specifier.
|
|
442
|
3237
|
|
|
3238 See `make-integer-specifier' for a description of possible integer
|
|
|
3239 instantiators.
|
|
428
|
3240 */
|
|
|
3241 (object))
|
|
|
3242 {
|
|
|
3243 return INTEGER_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3244 }
|
|
|
3245
|
|
|
3246 /************************************************************************/
|
|
|
3247 /* Non-negative-integer specifier type */
|
|
|
3248 /************************************************************************/
|
|
|
3249
|
|
|
3250 DEFINE_SPECIFIER_TYPE (natnum);
|
|
|
3251
|
|
|
3252 static void
|
|
|
3253 natnum_validate (Lisp_Object instantiator)
|
|
|
3254 {
|
|
|
3255 CHECK_NATNUM (instantiator);
|
|
|
3256 }
|
|
|
3257
|
|
|
3258 DEFUN ("natnum-specifier-p", Fnatnum_specifier_p, 1, 1, 0, /*
|
|
|
3259 Return non-nil if OBJECT is a natnum (non-negative-integer) specifier.
|
|
442
|
3260
|
|
|
3261 See `make-natnum-specifier' for a description of possible natnum
|
|
|
3262 instantiators.
|
|
428
|
3263 */
|
|
|
3264 (object))
|
|
|
3265 {
|
|
|
3266 return NATNUM_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3267 }
|
|
|
3268
|
|
|
3269 /************************************************************************/
|
|
|
3270 /* Boolean specifier type */
|
|
|
3271 /************************************************************************/
|
|
|
3272
|
|
|
3273 DEFINE_SPECIFIER_TYPE (boolean);
|
|
|
3274
|
|
|
3275 static void
|
|
|
3276 boolean_validate (Lisp_Object instantiator)
|
|
|
3277 {
|
|
|
3278 if (!EQ (instantiator, Qt) && !EQ (instantiator, Qnil))
|
|
563
|
3279 invalid_constant ("Must be t or nil", instantiator);
|
|
428
|
3280 }
|
|
|
3281
|
|
|
3282 DEFUN ("boolean-specifier-p", Fboolean_specifier_p, 1, 1, 0, /*
|
|
|
3283 Return non-nil if OBJECT is a boolean specifier.
|
|
442
|
3284
|
|
|
3285 See `make-boolean-specifier' for a description of possible boolean
|
|
|
3286 instantiators.
|
|
428
|
3287 */
|
|
|
3288 (object))
|
|
|
3289 {
|
|
|
3290 return BOOLEAN_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3291 }
|
|
|
3292
|
|
|
3293 /************************************************************************/
|
|
|
3294 /* Display table specifier type */
|
|
|
3295 /************************************************************************/
|
|
|
3296
|
|
|
3297 DEFINE_SPECIFIER_TYPE (display_table);
|
|
|
3298
|
|
442
|
3299 #define VALID_SINGLE_DISPTABLE_INSTANTIATOR_P(instantiator) \
|
|
|
3300 (VECTORP (instantiator) \
|
|
|
3301 || (CHAR_TABLEP (instantiator) \
|
|
|
3302 && (XCHAR_TABLE_TYPE (instantiator) == CHAR_TABLE_TYPE_CHAR \
|
|
|
3303 || XCHAR_TABLE_TYPE (instantiator) == CHAR_TABLE_TYPE_GENERIC)) \
|
|
428
|
3304 || RANGE_TABLEP (instantiator))
|
|
|
3305
|
|
|
3306 static void
|
|
|
3307 display_table_validate (Lisp_Object instantiator)
|
|
|
3308 {
|
|
|
3309 if (NILP (instantiator))
|
|
|
3310 /* OK */
|
|
|
3311 ;
|
|
|
3312 else if (CONSP (instantiator))
|
|
|
3313 {
|
|
2367
|
3314 EXTERNAL_LIST_LOOP_2 (car, instantiator)
|
|
428
|
3315 {
|
|
|
3316 if (!VALID_SINGLE_DISPTABLE_INSTANTIATOR_P (car))
|
|
|
3317 goto lose;
|
|
|
3318 }
|
|
|
3319 }
|
|
|
3320 else
|
|
|
3321 {
|
|
|
3322 if (!VALID_SINGLE_DISPTABLE_INSTANTIATOR_P (instantiator))
|
|
|
3323 {
|
|
|
3324 lose:
|
|
442
|
3325 dead_wrong_type_argument
|
|
|
3326 (display_table_specifier_methods->predicate_symbol,
|
|
428
|
3327 instantiator);
|
|
|
3328 }
|
|
|
3329 }
|
|
|
3330 }
|
|
|
3331
|
|
|
3332 DEFUN ("display-table-specifier-p", Fdisplay_table_specifier_p, 1, 1, 0, /*
|
|
|
3333 Return non-nil if OBJECT is a display-table specifier.
|
|
442
|
3334
|
|
|
3335 See `current-display-table' for a description of possible display-table
|
|
|
3336 instantiators.
|
|
428
|
3337 */
|
|
|
3338 (object))
|
|
|
3339 {
|
|
|
3340 return DISPLAYTABLE_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3341 }
|
|
|
3342
|
|
|
3343
|
|
|
3344 /************************************************************************/
|
|
|
3345 /* Initialization */
|
|
|
3346 /************************************************************************/
|
|
|
3347
|
|
|
3348 void
|
|
|
3349 syms_of_specifier (void)
|
|
|
3350 {
|
|
442
|
3351 INIT_LRECORD_IMPLEMENTATION (specifier);
|
|
|
3352
|
|
|
3353 DEFSYMBOL (Qspecifierp);
|
|
|
3354
|
|
|
3355 DEFSYMBOL (Qconsole_type);
|
|
|
3356 DEFSYMBOL (Qdevice_class);
|
|
|
3357
|
|
|
3358 /* specifier types defined in general.c. */
|
|
428
|
3359
|
|
|
3360 DEFSUBR (Fvalid_specifier_type_p);
|
|
|
3361 DEFSUBR (Fspecifier_type_list);
|
|
|
3362 DEFSUBR (Fmake_specifier);
|
|
|
3363 DEFSUBR (Fspecifierp);
|
|
|
3364 DEFSUBR (Fspecifier_type);
|
|
|
3365
|
|
|
3366 DEFSUBR (Fvalid_specifier_locale_p);
|
|
|
3367 DEFSUBR (Fvalid_specifier_domain_p);
|
|
|
3368 DEFSUBR (Fvalid_specifier_locale_type_p);
|
|
|
3369 DEFSUBR (Fspecifier_locale_type_from_locale);
|
|
|
3370
|
|
|
3371 DEFSUBR (Fvalid_specifier_tag_p);
|
|
|
3372 DEFSUBR (Fvalid_specifier_tag_set_p);
|
|
|
3373 DEFSUBR (Fcanonicalize_tag_set);
|
|
|
3374 DEFSUBR (Fdevice_matches_specifier_tag_set_p);
|
|
|
3375 DEFSUBR (Fdefine_specifier_tag);
|
|
|
3376 DEFSUBR (Fdevice_matching_specifier_tag_list);
|
|
|
3377 DEFSUBR (Fspecifier_tag_list);
|
|
|
3378 DEFSUBR (Fspecifier_tag_predicate);
|
|
|
3379
|
|
|
3380 DEFSUBR (Fcheck_valid_instantiator);
|
|
|
3381 DEFSUBR (Fvalid_instantiator_p);
|
|
|
3382 DEFSUBR (Fcheck_valid_inst_list);
|
|
|
3383 DEFSUBR (Fvalid_inst_list_p);
|
|
|
3384 DEFSUBR (Fcheck_valid_spec_list);
|
|
|
3385 DEFSUBR (Fvalid_spec_list_p);
|
|
|
3386 DEFSUBR (Fadd_spec_to_specifier);
|
|
|
3387 DEFSUBR (Fadd_spec_list_to_specifier);
|
|
|
3388 DEFSUBR (Fspecifier_spec_list);
|
|
|
3389 DEFSUBR (Fspecifier_specs);
|
|
|
3390 DEFSUBR (Fremove_specifier);
|
|
|
3391 DEFSUBR (Fcopy_specifier);
|
|
|
3392
|
|
|
3393 DEFSUBR (Fcheck_valid_specifier_matchspec);
|
|
|
3394 DEFSUBR (Fvalid_specifier_matchspec_p);
|
|
|
3395 DEFSUBR (Fspecifier_fallback);
|
|
|
3396 DEFSUBR (Fspecifier_instance);
|
|
2953
|
3397 DEFSUBR (Fspecifier_instantiator);
|
|
428
|
3398 DEFSUBR (Fspecifier_matching_instance);
|
|
2953
|
3399 DEFSUBR (Fspecifier_matching_instantiator);
|
|
428
|
3400 DEFSUBR (Fspecifier_instance_from_inst_list);
|
|
2953
|
3401 DEFSUBR (Fspecifier_instantiator_from_inst_list);
|
|
428
|
3402 DEFSUBR (Fspecifier_matching_instance_from_inst_list);
|
|
2953
|
3403 DEFSUBR (Fspecifier_matching_instantiator_from_inst_list);
|
|
428
|
3404 DEFSUBR (Fset_specifier_dirty_flag);
|
|
|
3405
|
|
|
3406 DEFSUBR (Fgeneric_specifier_p);
|
|
|
3407 DEFSUBR (Finteger_specifier_p);
|
|
|
3408 DEFSUBR (Fnatnum_specifier_p);
|
|
|
3409 DEFSUBR (Fboolean_specifier_p);
|
|
|
3410 DEFSUBR (Fdisplay_table_specifier_p);
|
|
|
3411
|
|
|
3412 /* Symbols pertaining to specifier creation. Specifiers are created
|
|
|
3413 in the syms_of() functions. */
|
|
|
3414
|
|
|
3415 /* locales are defined in general.c. */
|
|
|
3416
|
|
442
|
3417 /* some how-to-add flags in general.c. */
|
|
|
3418 DEFSYMBOL (Qremove_tag_set_prepend);
|
|
|
3419 DEFSYMBOL (Qremove_tag_set_append);
|
|
|
3420 DEFSYMBOL (Qremove_locale);
|
|
|
3421 DEFSYMBOL (Qremove_locale_type);
|
|
428
|
3422 }
|
|
|
3423
|
|
|
3424 void
|
|
|
3425 specifier_type_create (void)
|
|
|
3426 {
|
|
|
3427 the_specifier_type_entry_dynarr = Dynarr_new (specifier_type_entry);
|
|
2367
|
3428 dump_add_root_block_ptr (&the_specifier_type_entry_dynarr, &sted_description);
|
|
428
|
3429
|
|
|
3430 Vspecifier_type_list = Qnil;
|
|
|
3431 staticpro (&Vspecifier_type_list);
|
|
|
3432
|
|
|
3433 INITIALIZE_SPECIFIER_TYPE (generic, "generic", "generic-specifier-p");
|
|
|
3434
|
|
|
3435 INITIALIZE_SPECIFIER_TYPE (integer, "integer", "integer-specifier-p");
|
|
|
3436
|
|
|
3437 SPECIFIER_HAS_METHOD (integer, validate);
|
|
|
3438
|
|
|
3439 INITIALIZE_SPECIFIER_TYPE (natnum, "natnum", "natnum-specifier-p");
|
|
|
3440
|
|
|
3441 SPECIFIER_HAS_METHOD (natnum, validate);
|
|
|
3442
|
|
|
3443 INITIALIZE_SPECIFIER_TYPE (boolean, "boolean", "boolean-specifier-p");
|
|
|
3444
|
|
|
3445 SPECIFIER_HAS_METHOD (boolean, validate);
|
|
|
3446
|
|
442
|
3447 INITIALIZE_SPECIFIER_TYPE (display_table, "display-table",
|
|
|
3448 "display-table-p");
|
|
428
|
3449
|
|
|
3450 SPECIFIER_HAS_METHOD (display_table, validate);
|
|
|
3451 }
|
|
|
3452
|
|
|
3453 void
|
|
|
3454 reinit_specifier_type_create (void)
|
|
|
3455 {
|
|
|
3456 REINITIALIZE_SPECIFIER_TYPE (generic);
|
|
|
3457 REINITIALIZE_SPECIFIER_TYPE (integer);
|
|
|
3458 REINITIALIZE_SPECIFIER_TYPE (natnum);
|
|
|
3459 REINITIALIZE_SPECIFIER_TYPE (boolean);
|
|
|
3460 REINITIALIZE_SPECIFIER_TYPE (display_table);
|
|
|
3461 }
|
|
|
3462
|
|
|
3463 void
|
|
|
3464 vars_of_specifier (void)
|
|
|
3465 {
|
|
|
3466 Vcached_specifiers = Qnil;
|
|
|
3467 staticpro (&Vcached_specifiers);
|
|
|
3468
|
|
|
3469 /* Do NOT mark through this, or specifiers will never be GC'd.
|
|
|
3470 This is the same deal as for weak hash tables. */
|
|
|
3471 Vall_specifiers = Qnil;
|
|
452
|
3472 dump_add_weak_object_chain (&Vall_specifiers);
|
|
428
|
3473
|
|
|
3474 Vuser_defined_tags = Qnil;
|
|
|
3475 staticpro (&Vuser_defined_tags);
|
|
|
3476
|
|
|
3477 Vunlock_ghost_specifiers = Qnil;
|
|
|
3478 staticpro (&Vunlock_ghost_specifiers);
|
|
|
3479 }
|
