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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
|
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
|
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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|
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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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|
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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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|
|
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
|
|
|
194 be smarter about this). */
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|
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195 if (!NILP (assq_no_quit (buffer, sp->buffer_specs)))
|
|
|
196 Fremove_specifier (rest, buffer, Qnil, Qnil);
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|
|
197 }
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|
|
198 }
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|
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199
|
|
|
200 static Lisp_Object
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201 mark_specifier (Lisp_Object obj)
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|
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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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|
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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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|
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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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|
|
215 }
|
|
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216
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|
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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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|
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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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|
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222 objects are always held permanently in special lists, and deleted
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|
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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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|
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225 (at the beginning of garbage collection); it removes all dead
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|
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226 objects.
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227
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|
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228 For windows, however, it's trickier because dead objects can be
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|
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229 converted to live ones again if the dead object is in a window
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|
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230 configuration. Therefore, for windows, "no longer in use"
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|
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231 corresponds to when the window object is garbage-collected.
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|
|
232 We now use weak lists for this purpose.
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|
|
233
|
|
|
234 */
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|
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235
|
|
|
236 void
|
|
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237 prune_specifiers (void)
|
|
|
238 {
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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
|
|
|
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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|
|
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;
|
|
|
256 else
|
|
|
257 XSPECIFIER (prev)->next_specifier = sp->next_specifier;
|
|
|
258 }
|
|
|
259 else
|
|
|
260 prev = rest;
|
|
|
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 ();
|
|
|
270 Lisp_Object the_specs;
|
|
|
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
|
|
|
280 can be controlled. */
|
|
428
|
281 specbind (Qprint_string_length, make_int (100));
|
|
|
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))
|
|
|
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);
|
|
|
290 if (!NILP (sp->fallback))
|
|
|
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
|
|
3263
|
298 #ifndef NEW_GC
|
|
428
|
299 static void
|
|
|
300 finalize_specifier (void *header, int for_disksave)
|
|
|
301 {
|
|
440
|
302 Lisp_Specifier *sp = (Lisp_Specifier *) header;
|
|
428
|
303 /* don't be snafued by the disksave finalization. */
|
|
|
304 if (!for_disksave && !GHOST_SPECIFIER_P(sp) && sp->caching)
|
|
|
305 {
|
|
1726
|
306 xfree (sp->caching, struct specifier_caching *);
|
|
428
|
307 sp->caching = 0;
|
|
|
308 }
|
|
|
309 }
|
|
3263
|
310 #endif /* not NEW_GC */
|
|
428
|
311
|
|
|
312 static int
|
|
|
313 specifier_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
|
|
|
314 {
|
|
440
|
315 Lisp_Specifier *s1 = XSPECIFIER (obj1);
|
|
|
316 Lisp_Specifier *s2 = XSPECIFIER (obj2);
|
|
428
|
317 int retval;
|
|
|
318 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
319
|
|
|
320 /* This function can be called from within redisplay.
|
|
|
321 internal_equal can trigger a quit. That leads to Bad Things. */
|
|
|
322 Vinhibit_quit = Qt;
|
|
|
323
|
|
|
324 depth++;
|
|
|
325 retval =
|
|
|
326 (s1->methods == s2->methods &&
|
|
|
327 internal_equal (s1->global_specs, s2->global_specs, depth) &&
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|
|
328 internal_equal (s1->device_specs, s2->device_specs, depth) &&
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|
|
329 internal_equal (s1->frame_specs, s2->frame_specs, depth) &&
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|
|
330 internal_equal (s1->window_specs, s2->window_specs, depth) &&
|
|
|
331 internal_equal (s1->buffer_specs, s2->buffer_specs, depth) &&
|
|
|
332 internal_equal (s1->fallback, s2->fallback, depth));
|
|
|
333
|
|
|
334 if (retval && HAS_SPECMETH_P (s1, equal))
|
|
|
335 retval = SPECMETH (s1, equal, (obj1, obj2, depth - 1));
|
|
|
336
|
|
|
337 Vinhibit_quit = old_inhibit_quit;
|
|
|
338 return retval;
|
|
|
339 }
|
|
|
340
|
|
2515
|
341 static Hashcode
|
|
428
|
342 specifier_hash (Lisp_Object obj, int depth)
|
|
|
343 {
|
|
440
|
344 Lisp_Specifier *s = XSPECIFIER (obj);
|
|
428
|
345
|
|
|
346 /* specifier hashing is a bit problematic because there are so
|
|
|
347 many places where data can be stored. We pick what are perhaps
|
|
|
348 the most likely places where interesting stuff will be. */
|
|
|
349 return HASH5 ((HAS_SPECMETH_P (s, hash) ?
|
|
|
350 SPECMETH (s, hash, (obj, depth)) : 0),
|
|
2515
|
351 (Hashcode) s->methods,
|
|
428
|
352 internal_hash (s->global_specs, depth + 1),
|
|
|
353 internal_hash (s->frame_specs, depth + 1),
|
|
|
354 internal_hash (s->buffer_specs, depth + 1));
|
|
|
355 }
|
|
|
356
|
|
665
|
357 inline static Bytecount
|
|
|
358 aligned_sizeof_specifier (Bytecount specifier_type_specific_size)
|
|
456
|
359 {
|
|
826
|
360 return MAX_ALIGN_SIZE (offsetof (Lisp_Specifier, data)
|
|
|
361 + specifier_type_specific_size);
|
|
456
|
362 }
|
|
|
363
|
|
665
|
364 static Bytecount
|
|
442
|
365 sizeof_specifier (const void *header)
|
|
428
|
366 {
|
|
456
|
367 const Lisp_Specifier *p = (const Lisp_Specifier *) header;
|
|
|
368 return aligned_sizeof_specifier (GHOST_SPECIFIER_P (p)
|
|
|
369 ? 0
|
|
|
370 : p->methods->extra_data_size);
|
|
428
|
371 }
|
|
|
372
|
|
1204
|
373 static const struct memory_description specifier_methods_description_1[] = {
|
|
440
|
374 { XD_LISP_OBJECT, offsetof (struct specifier_methods, predicate_symbol) },
|
|
428
|
375 { XD_END }
|
|
|
376 };
|
|
|
377
|
|
1204
|
378 const struct sized_memory_description specifier_methods_description = {
|
|
440
|
379 sizeof (struct specifier_methods),
|
|
428
|
380 specifier_methods_description_1
|
|
|
381 };
|
|
|
382
|
|
1204
|
383 static const struct memory_description specifier_caching_description_1[] = {
|
|
428
|
384 { XD_END }
|
|
|
385 };
|
|
|
386
|
|
3092
|
387 #ifdef NEW_GC
|
|
|
388 DEFINE_LRECORD_IMPLEMENTATION ("specifier-caching",
|
|
|
389 specifier_caching,
|
|
|
390 1, /*dumpable-flag*/
|
|
|
391 0, 0, 0, 0, 0,
|
|
|
392 specifier_caching_description_1,
|
|
|
393 struct specifier_caching);
|
|
|
394 #else /* not NEW_GC */
|
|
1204
|
395 static const struct sized_memory_description specifier_caching_description = {
|
|
440
|
396 sizeof (struct specifier_caching),
|
|
428
|
397 specifier_caching_description_1
|
|
|
398 };
|
|
3092
|
399 #endif /* not NEW_GC */
|
|
428
|
400
|
|
1204
|
401 static const struct sized_memory_description specifier_extra_description_map[]
|
|
|
402 = {
|
|
|
403 { offsetof (Lisp_Specifier, methods) },
|
|
|
404 { offsetof (struct specifier_methods, extra_description) },
|
|
|
405 { -1 },
|
|
|
406 };
|
|
|
407
|
|
|
408 const struct memory_description specifier_description[] = {
|
|
2367
|
409 { XD_BLOCK_PTR, offsetof (Lisp_Specifier, methods), 1,
|
|
2551
|
410 { &specifier_methods_description } },
|
|
440
|
411 { XD_LO_LINK, offsetof (Lisp_Specifier, next_specifier) },
|
|
|
412 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, global_specs) },
|
|
|
413 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, device_specs) },
|
|
|
414 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, frame_specs) },
|
|
|
415 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, window_specs) },
|
|
|
416 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, buffer_specs) },
|
|
3092
|
417 #ifdef NEW_GC
|
|
|
418 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, caching) },
|
|
|
419 #else /* not NEW_GC */
|
|
2367
|
420 { XD_BLOCK_PTR, offsetof (Lisp_Specifier, caching), 1,
|
|
2551
|
421 { &specifier_caching_description } },
|
|
3092
|
422 #endif /* not NEW_GC */
|
|
440
|
423 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, magic_parent) },
|
|
|
424 { XD_LISP_OBJECT, offsetof (Lisp_Specifier, fallback) },
|
|
2367
|
425 { XD_BLOCK_ARRAY, offsetof (Lisp_Specifier, data), 1,
|
|
2551
|
426 { specifier_extra_description_map } },
|
|
428
|
427 { XD_END }
|
|
|
428 };
|
|
|
429
|
|
1204
|
430 static const struct memory_description specifier_empty_extra_description_1[] =
|
|
|
431 {
|
|
|
432 { XD_END }
|
|
|
433 };
|
|
|
434
|
|
|
435 const struct sized_memory_description specifier_empty_extra_description = {
|
|
|
436 0, specifier_empty_extra_description_1
|
|
|
437 };
|
|
|
438
|
|
3263
|
439 #ifdef NEW_GC
|
|
|
440 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("specifier", specifier,
|
|
|
441 1, /*dumpable-flag*/
|
|
|
442 mark_specifier, print_specifier,
|
|
|
443 0, specifier_equal, specifier_hash,
|
|
|
444 specifier_description,
|
|
|
445 sizeof_specifier,
|
|
|
446 Lisp_Specifier);
|
|
|
447 #else /* not NEW_GC */
|
|
934
|
448 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("specifier", specifier,
|
|
|
449 1, /*dumpable-flag*/
|
|
|
450 mark_specifier, print_specifier,
|
|
|
451 finalize_specifier,
|
|
|
452 specifier_equal, specifier_hash,
|
|
|
453 specifier_description,
|
|
|
454 sizeof_specifier,
|
|
|
455 Lisp_Specifier);
|
|
3263
|
456 #endif /* not NEW_GC */
|
|
428
|
457
|
|
|
458 /************************************************************************/
|
|
|
459 /* Creating specifiers */
|
|
|
460 /************************************************************************/
|
|
|
461
|
|
|
462 static struct specifier_methods *
|
|
578
|
463 decode_specifier_type (Lisp_Object type, Error_Behavior errb)
|
|
428
|
464 {
|
|
|
465 int i;
|
|
|
466
|
|
|
467 for (i = 0; i < Dynarr_length (the_specifier_type_entry_dynarr); i++)
|
|
|
468 {
|
|
|
469 if (EQ (type, Dynarr_at (the_specifier_type_entry_dynarr, i).symbol))
|
|
|
470 return Dynarr_at (the_specifier_type_entry_dynarr, i).meths;
|
|
|
471 }
|
|
|
472
|
|
563
|
473 maybe_invalid_argument ("Invalid specifier type",
|
|
442
|
474 type, Qspecifier, errb);
|
|
428
|
475
|
|
|
476 return 0;
|
|
|
477 }
|
|
|
478
|
|
|
479 static int
|
|
|
480 valid_specifier_type_p (Lisp_Object type)
|
|
|
481 {
|
|
|
482 return decode_specifier_type (type, ERROR_ME_NOT) != 0;
|
|
|
483 }
|
|
|
484
|
|
|
485 DEFUN ("valid-specifier-type-p", Fvalid_specifier_type_p, 1, 1, 0, /*
|
|
|
486 Given a SPECIFIER-TYPE, return non-nil if it is valid.
|
|
2953
|
487 Valid types are `generic', `integer', `boolean', `color', `font', `image',
|
|
|
488 `face-boolean', and `toolbar'.
|
|
428
|
489 */
|
|
|
490 (specifier_type))
|
|
|
491 {
|
|
|
492 return valid_specifier_type_p (specifier_type) ? Qt : Qnil;
|
|
|
493 }
|
|
|
494
|
|
|
495 DEFUN ("specifier-type-list", Fspecifier_type_list, 0, 0, 0, /*
|
|
|
496 Return a list of valid specifier types.
|
|
|
497 */
|
|
|
498 ())
|
|
|
499 {
|
|
|
500 return Fcopy_sequence (Vspecifier_type_list);
|
|
|
501 }
|
|
|
502
|
|
|
503 void
|
|
|
504 add_entry_to_specifier_type_list (Lisp_Object symbol,
|
|
|
505 struct specifier_methods *meths)
|
|
|
506 {
|
|
|
507 struct specifier_type_entry entry;
|
|
|
508
|
|
|
509 entry.symbol = symbol;
|
|
|
510 entry.meths = meths;
|
|
|
511 Dynarr_add (the_specifier_type_entry_dynarr, entry);
|
|
|
512 Vspecifier_type_list = Fcons (symbol, Vspecifier_type_list);
|
|
|
513 }
|
|
|
514
|
|
|
515 static Lisp_Object
|
|
|
516 make_specifier_internal (struct specifier_methods *spec_meths,
|
|
665
|
517 Bytecount data_size, int call_create_meth)
|
|
428
|
518 {
|
|
|
519 Lisp_Object specifier;
|
|
440
|
520 Lisp_Specifier *sp = (Lisp_Specifier *)
|
|
3017
|
521 BASIC_ALLOC_LCRECORD (aligned_sizeof_specifier (data_size),
|
|
1204
|
522 &lrecord_specifier);
|
|
428
|
523
|
|
|
524 sp->methods = spec_meths;
|
|
|
525 sp->global_specs = Qnil;
|
|
|
526 sp->device_specs = Qnil;
|
|
|
527 sp->frame_specs = Qnil;
|
|
|
528 sp->window_specs = make_weak_list (WEAK_LIST_KEY_ASSOC);
|
|
|
529 sp->buffer_specs = Qnil;
|
|
|
530 sp->fallback = Qnil;
|
|
|
531 sp->magic_parent = Qnil;
|
|
|
532 sp->caching = 0;
|
|
|
533 sp->next_specifier = Vall_specifiers;
|
|
|
534
|
|
793
|
535 specifier = wrap_specifier (sp);
|
|
428
|
536 Vall_specifiers = specifier;
|
|
|
537
|
|
|
538 if (call_create_meth)
|
|
|
539 {
|
|
|
540 struct gcpro gcpro1;
|
|
|
541 GCPRO1 (specifier);
|
|
|
542 MAYBE_SPECMETH (XSPECIFIER (specifier), create, (specifier));
|
|
|
543 UNGCPRO;
|
|
|
544 }
|
|
|
545 return specifier;
|
|
|
546 }
|
|
|
547
|
|
|
548 static Lisp_Object
|
|
|
549 make_specifier (struct specifier_methods *meths)
|
|
|
550 {
|
|
|
551 return make_specifier_internal (meths, meths->extra_data_size, 1);
|
|
|
552 }
|
|
|
553
|
|
|
554 Lisp_Object
|
|
|
555 make_magic_specifier (Lisp_Object type)
|
|
|
556 {
|
|
|
557 /* This function can GC */
|
|
|
558 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
559 Lisp_Object bodily, ghost;
|
|
|
560 struct gcpro gcpro1;
|
|
|
561
|
|
|
562 bodily = make_specifier (meths);
|
|
|
563 GCPRO1 (bodily);
|
|
|
564 ghost = make_specifier_internal (meths, 0, 0);
|
|
|
565 UNGCPRO;
|
|
|
566
|
|
|
567 /* Connect guys together */
|
|
|
568 XSPECIFIER(bodily)->magic_parent = Qt;
|
|
|
569 XSPECIFIER(bodily)->fallback = ghost;
|
|
|
570 XSPECIFIER(ghost)->magic_parent = bodily;
|
|
|
571
|
|
|
572 return bodily;
|
|
|
573 }
|
|
|
574
|
|
|
575 DEFUN ("make-specifier", Fmake_specifier, 1, 1, 0, /*
|
|
|
576 Return a new specifier object of type TYPE.
|
|
|
577
|
|
|
578 A specifier is an object that can be used to keep track of a property
|
|
|
579 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
442
|
580 and can further be restricted to a particular console-type or
|
|
|
581 device-class. Specifiers are used, for example, for the various
|
|
|
582 built-in properties of a face; this allows a face to have different
|
|
|
583 values in different frames, buffers, etc.
|
|
|
584
|
|
|
585 When speaking of the value of a specifier, it is important to
|
|
|
586 distinguish between the *setting* of a specifier, called an
|
|
|
587 \"instantiator\", and the *actual value*, called an \"instance\". You
|
|
|
588 put various possible instantiators (i.e. settings) into a specifier
|
|
|
589 and associate them with particular locales (buffer, window, frame,
|
|
|
590 device, global), and then the instance (i.e. actual value) is
|
|
|
591 retrieved in a specific domain (window, frame, device) by looking
|
|
|
592 through the possible instantiators (i.e. settings). This process is
|
|
|
593 called \"instantiation\".
|
|
444
|
594
|
|
442
|
595 To put settings into a specifier, use `set-specifier', or the
|
|
|
596 lower-level functions `add-spec-to-specifier' and
|
|
|
597 `add-spec-list-to-specifier'. You can also temporarily bind a setting
|
|
|
598 to a specifier using `let-specifier'. To retrieve settings, use
|
|
|
599 `specifier-specs', or its lower-level counterpart
|
|
2953
|
600 `specifier-spec-list'.
|
|
|
601
|
|
|
602 To determine the actual value (i.e. the instance) in a particular domain, use
|
|
|
603 `specifier-instance'. To determine the corresponding setting that yielded
|
|
|
604 the value (i.e. the instantiator), use `specifier-instantiator'.
|
|
442
|
605
|
|
|
606 For more information, see `set-specifier', `specifier-instance',
|
|
428
|
607 `specifier-specs', and `add-spec-to-specifier'; or, for a detailed
|
|
442
|
608 description of specifiers, including how exactly the instantiation
|
|
|
609 process works, see the chapter on specifiers in the XEmacs Lisp
|
|
|
610 Reference Manual.
|
|
428
|
611
|
|
|
612 TYPE specifies the particular type of specifier, and should be one of
|
|
2953
|
613 the symbols `generic', `integer', `natnum', `boolean', `color', `font',
|
|
|
614 `image', `face-boolean', `display-table', `gutter', `gutter-size',
|
|
|
615 `gutter-visible' or `toolbar'.
|
|
442
|
616
|
|
|
617 For more information on particular types of specifiers, see the
|
|
|
618 functions `make-generic-specifier', `make-integer-specifier',
|
|
|
619 `make-natnum-specifier', `make-boolean-specifier',
|
|
|
620 `make-color-specifier', `make-font-specifier', `make-image-specifier',
|
|
|
621 `make-face-boolean-specifier', `make-gutter-size-specifier',
|
|
|
622 `make-gutter-visible-specifier', `default-toolbar', `default-gutter',
|
|
|
623 and `current-display-table'.
|
|
428
|
624 */
|
|
|
625 (type))
|
|
|
626 {
|
|
|
627 /* This function can GC */
|
|
442
|
628 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
428
|
629
|
|
|
630 return make_specifier (meths);
|
|
|
631 }
|
|
|
632
|
|
|
633 DEFUN ("specifierp", Fspecifierp, 1, 1, 0, /*
|
|
|
634 Return t if OBJECT is a specifier.
|
|
|
635
|
|
|
636 A specifier is an object that can be used to keep track of a property
|
|
|
637 whose value can be per-buffer, per-window, per-frame, or per-device,
|
|
|
638 and can further be restricted to a particular console-type or device-class.
|
|
|
639 See `make-specifier'.
|
|
|
640 */
|
|
|
641 (object))
|
|
|
642 {
|
|
|
643 return SPECIFIERP (object) ? Qt : Qnil;
|
|
|
644 }
|
|
|
645
|
|
|
646 DEFUN ("specifier-type", Fspecifier_type, 1, 1, 0, /*
|
|
|
647 Return the type of SPECIFIER.
|
|
|
648 */
|
|
|
649 (specifier))
|
|
|
650 {
|
|
|
651 CHECK_SPECIFIER (specifier);
|
|
|
652 return intern (XSPECIFIER (specifier)->methods->name);
|
|
|
653 }
|
|
|
654
|
|
|
655
|
|
|
656 /************************************************************************/
|
|
|
657 /* Locales and domains */
|
|
|
658 /************************************************************************/
|
|
|
659
|
|
|
660 DEFUN ("valid-specifier-locale-p", Fvalid_specifier_locale_p, 1, 1, 0, /*
|
|
|
661 Return t if LOCALE is a valid specifier locale.
|
|
2953
|
662 Valid locales are devices, frames, windows, buffers, and `global'.
|
|
428
|
663 \(nil is not valid.)
|
|
|
664 */
|
|
|
665 (locale))
|
|
|
666 {
|
|
|
667 /* This cannot GC. */
|
|
|
668 return ((DEVICEP (locale) && DEVICE_LIVE_P (XDEVICE (locale))) ||
|
|
|
669 (FRAMEP (locale) && FRAME_LIVE_P (XFRAME (locale))) ||
|
|
|
670 (BUFFERP (locale) && BUFFER_LIVE_P (XBUFFER (locale))) ||
|
|
|
671 /* dead windows are allowed because they may become live
|
|
|
672 windows again when a window configuration is restored */
|
|
|
673 WINDOWP (locale) ||
|
|
|
674 EQ (locale, Qglobal))
|
|
|
675 ? Qt : Qnil;
|
|
|
676 }
|
|
|
677
|
|
|
678 DEFUN ("valid-specifier-domain-p", Fvalid_specifier_domain_p, 1, 1, 0, /*
|
|
|
679 Return t if DOMAIN is a valid specifier domain.
|
|
2953
|
680 A domain is used to instantiate a specifier (i.e. determine the specifier's
|
|
442
|
681 value in that domain). Valid domains are image instances, windows, frames,
|
|
|
682 and devices. \(nil is not valid.) image instances are pseudo-domains since
|
|
|
683 instantiation will actually occur in the window the image instance itself is
|
|
|
684 instantiated in.
|
|
428
|
685 */
|
|
|
686 (domain))
|
|
|
687 {
|
|
|
688 /* This cannot GC. */
|
|
|
689 return ((DEVICEP (domain) && DEVICE_LIVE_P (XDEVICE (domain))) ||
|
|
|
690 (FRAMEP (domain) && FRAME_LIVE_P (XFRAME (domain))) ||
|
|
442
|
691 (WINDOWP (domain) && WINDOW_LIVE_P (XWINDOW (domain))) ||
|
|
|
692 /* #### get image instances out of domains! */
|
|
|
693 IMAGE_INSTANCEP (domain))
|
|
428
|
694 ? Qt : Qnil;
|
|
|
695 }
|
|
|
696
|
|
442
|
697 DEFUN ("valid-specifier-locale-type-p", Fvalid_specifier_locale_type_p, 1, 1, 0,
|
|
|
698 /*
|
|
428
|
699 Given a specifier LOCALE-TYPE, return non-nil if it is valid.
|
|
2953
|
700 Valid locale types are `global', `device', `frame', `window', and `buffer'.
|
|
428
|
701 \(Note, however, that in functions that accept either a locale or a locale
|
|
2953
|
702 type, `global' is considered an individual locale.)
|
|
428
|
703 */
|
|
|
704 (locale_type))
|
|
|
705 {
|
|
|
706 /* This cannot GC. */
|
|
|
707 return (EQ (locale_type, Qglobal) ||
|
|
|
708 EQ (locale_type, Qdevice) ||
|
|
|
709 EQ (locale_type, Qframe) ||
|
|
|
710 EQ (locale_type, Qwindow) ||
|
|
|
711 EQ (locale_type, Qbuffer)) ? Qt : Qnil;
|
|
|
712 }
|
|
|
713
|
|
|
714 static void
|
|
|
715 check_valid_locale_or_locale_type (Lisp_Object locale)
|
|
|
716 {
|
|
|
717 /* This cannot GC. */
|
|
|
718 if (EQ (locale, Qall) ||
|
|
|
719 !NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
720 !NILP (Fvalid_specifier_locale_type_p (locale)))
|
|
|
721 return;
|
|
563
|
722 invalid_argument ("Invalid specifier locale or locale type", locale);
|
|
428
|
723 }
|
|
|
724
|
|
|
725 DEFUN ("specifier-locale-type-from-locale", Fspecifier_locale_type_from_locale,
|
|
|
726 1, 1, 0, /*
|
|
|
727 Given a specifier LOCALE, return its type.
|
|
|
728 */
|
|
|
729 (locale))
|
|
|
730 {
|
|
|
731 /* This cannot GC. */
|
|
|
732 if (NILP (Fvalid_specifier_locale_p (locale)))
|
|
563
|
733 invalid_argument ("Invalid specifier locale",
|
|
442
|
734 locale);
|
|
428
|
735 if (DEVICEP (locale)) return Qdevice;
|
|
|
736 if (FRAMEP (locale)) return Qframe;
|
|
|
737 if (WINDOWP (locale)) return Qwindow;
|
|
|
738 if (BUFFERP (locale)) return Qbuffer;
|
|
|
739 assert (EQ (locale, Qglobal));
|
|
|
740 return Qglobal;
|
|
|
741 }
|
|
|
742
|
|
|
743 static Lisp_Object
|
|
|
744 decode_locale (Lisp_Object locale)
|
|
|
745 {
|
|
|
746 /* This cannot GC. */
|
|
|
747 if (NILP (locale))
|
|
|
748 return Qglobal;
|
|
|
749 else if (!NILP (Fvalid_specifier_locale_p (locale)))
|
|
|
750 return locale;
|
|
|
751 else
|
|
563
|
752 invalid_argument ("Invalid specifier locale",
|
|
442
|
753 locale);
|
|
428
|
754
|
|
|
755 return Qnil;
|
|
|
756 }
|
|
|
757
|
|
|
758 static enum spec_locale_type
|
|
|
759 decode_locale_type (Lisp_Object locale_type)
|
|
|
760 {
|
|
|
761 /* This cannot GC. */
|
|
|
762 if (EQ (locale_type, Qglobal)) return LOCALE_GLOBAL;
|
|
|
763 if (EQ (locale_type, Qdevice)) return LOCALE_DEVICE;
|
|
|
764 if (EQ (locale_type, Qframe)) return LOCALE_FRAME;
|
|
|
765 if (EQ (locale_type, Qwindow)) return LOCALE_WINDOW;
|
|
|
766 if (EQ (locale_type, Qbuffer)) return LOCALE_BUFFER;
|
|
|
767
|
|
563
|
768 invalid_argument ("Invalid specifier locale type",
|
|
442
|
769 locale_type);
|
|
1204
|
770 RETURN_NOT_REACHED (LOCALE_GLOBAL);
|
|
428
|
771 }
|
|
|
772
|
|
|
773 Lisp_Object
|
|
|
774 decode_locale_list (Lisp_Object locale)
|
|
|
775 {
|
|
|
776 /* This cannot GC. */
|
|
|
777 /* The return value of this function must be GCPRO'd. */
|
|
|
778 if (NILP (locale))
|
|
|
779 {
|
|
|
780 return list1 (Qall);
|
|
|
781 }
|
|
|
782 else if (CONSP (locale))
|
|
|
783 {
|
|
|
784 EXTERNAL_LIST_LOOP_2 (elt, locale)
|
|
|
785 check_valid_locale_or_locale_type (elt);
|
|
|
786 return locale;
|
|
|
787 }
|
|
|
788 else
|
|
|
789 {
|
|
|
790 check_valid_locale_or_locale_type (locale);
|
|
|
791 return list1 (locale);
|
|
|
792 }
|
|
|
793 }
|
|
|
794
|
|
|
795 static enum spec_locale_type
|
|
|
796 locale_type_from_locale (Lisp_Object locale)
|
|
|
797 {
|
|
|
798 return decode_locale_type (Fspecifier_locale_type_from_locale (locale));
|
|
|
799 }
|
|
|
800
|
|
|
801 static void
|
|
|
802 check_valid_domain (Lisp_Object domain)
|
|
|
803 {
|
|
|
804 if (NILP (Fvalid_specifier_domain_p (domain)))
|
|
563
|
805 invalid_argument ("Invalid specifier domain",
|
|
442
|
806 domain);
|
|
428
|
807 }
|
|
|
808
|
|
442
|
809 Lisp_Object
|
|
428
|
810 decode_domain (Lisp_Object domain)
|
|
|
811 {
|
|
|
812 if (NILP (domain))
|
|
|
813 return Fselected_window (Qnil);
|
|
|
814 check_valid_domain (domain);
|
|
|
815 return domain;
|
|
|
816 }
|
|
|
817
|
|
|
818
|
|
|
819 /************************************************************************/
|
|
|
820 /* Tags */
|
|
|
821 /************************************************************************/
|
|
|
822
|
|
|
823 DEFUN ("valid-specifier-tag-p", Fvalid_specifier_tag_p, 1, 1, 0, /*
|
|
|
824 Return non-nil if TAG is a valid specifier tag.
|
|
|
825 See also `valid-specifier-tag-set-p'.
|
|
|
826 */
|
|
|
827 (tag))
|
|
|
828 {
|
|
|
829 return (valid_console_type_p (tag) ||
|
|
|
830 valid_device_class_p (tag) ||
|
|
|
831 !NILP (assq_no_quit (tag, Vuser_defined_tags))) ? Qt : Qnil;
|
|
|
832 }
|
|
|
833
|
|
|
834 DEFUN ("valid-specifier-tag-set-p", Fvalid_specifier_tag_set_p, 1, 1, 0, /*
|
|
|
835 Return non-nil if TAG-SET is a valid specifier tag set.
|
|
|
836
|
|
|
837 A specifier tag set is an entity that is attached to an instantiator
|
|
|
838 and can be used to restrict the scope of that instantiator to a
|
|
|
839 particular device class or device type and/or to mark instantiators
|
|
|
840 added by a particular package so that they can be later removed.
|
|
|
841
|
|
|
842 A specifier tag set consists of a list of zero of more specifier tags,
|
|
|
843 each of which is a symbol that is recognized by XEmacs as a tag.
|
|
|
844 \(The valid device types and device classes are always tags, as are
|
|
|
845 any tags defined by `define-specifier-tag'.) It is called a "tag set"
|
|
|
846 \(as opposed to a list) because the order of the tags or the number of
|
|
|
847 times a particular tag occurs does not matter.
|
|
|
848
|
|
|
849 Each tag has a predicate associated with it, which specifies whether
|
|
|
850 that tag applies to a particular device. The tags which are device types
|
|
|
851 and classes match devices of that type or class. User-defined tags can
|
|
|
852 have any predicate, or none (meaning that all devices match). When
|
|
2953
|
853 attempting to instantiate a specifier, a particular instantiator is only
|
|
|
854 considered if the device of the domain being instantiated over matches
|
|
428
|
855 all tags in the tag set attached to that instantiator.
|
|
|
856
|
|
|
857 Most of the time, a tag set is not specified, and the instantiator
|
|
|
858 gets a null tag set, which matches all devices.
|
|
|
859 */
|
|
|
860 (tag_set))
|
|
|
861 {
|
|
|
862 Lisp_Object rest;
|
|
|
863
|
|
|
864 for (rest = tag_set; !NILP (rest); rest = XCDR (rest))
|
|
|
865 {
|
|
|
866 if (!CONSP (rest))
|
|
|
867 return Qnil;
|
|
|
868 if (NILP (Fvalid_specifier_tag_p (XCAR (rest))))
|
|
|
869 return Qnil;
|
|
|
870 QUIT;
|
|
|
871 }
|
|
|
872 return Qt;
|
|
|
873 }
|
|
|
874
|
|
|
875 Lisp_Object
|
|
|
876 decode_specifier_tag_set (Lisp_Object tag_set)
|
|
|
877 {
|
|
|
878 /* The return value of this function must be GCPRO'd. */
|
|
|
879 if (!NILP (Fvalid_specifier_tag_p (tag_set)))
|
|
|
880 return list1 (tag_set);
|
|
|
881 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
882 invalid_argument ("Invalid specifier tag-set",
|
|
442
|
883 tag_set);
|
|
428
|
884 return tag_set;
|
|
|
885 }
|
|
|
886
|
|
|
887 static Lisp_Object
|
|
|
888 canonicalize_tag_set (Lisp_Object tag_set)
|
|
|
889 {
|
|
|
890 int len = XINT (Flength (tag_set));
|
|
|
891 Lisp_Object *tags, rest;
|
|
|
892 int i, j;
|
|
|
893
|
|
|
894 /* We assume in this function that the tag_set has already been
|
|
|
895 validated, so there are no surprises. */
|
|
|
896
|
|
|
897 if (len == 0 || len == 1)
|
|
|
898 /* most common case */
|
|
|
899 return tag_set;
|
|
|
900
|
|
|
901 tags = alloca_array (Lisp_Object, len);
|
|
|
902
|
|
|
903 i = 0;
|
|
|
904 LIST_LOOP (rest, tag_set)
|
|
|
905 tags[i++] = XCAR (rest);
|
|
|
906
|
|
|
907 /* Sort the list of tags. We use a bubble sort here (copied from
|
|
|
908 extent_fragment_update()) -- reduces the function call overhead,
|
|
|
909 and is the fastest sort for small numbers of items. */
|
|
|
910
|
|
|
911 for (i = 1; i < len; i++)
|
|
|
912 {
|
|
|
913 j = i - 1;
|
|
|
914 while (j >= 0 &&
|
|
793
|
915 qxestrcmp (XSTRING_DATA (XSYMBOL (tags[j])->name),
|
|
|
916 XSTRING_DATA (XSYMBOL (tags[j+1])->name)) > 0)
|
|
428
|
917 {
|
|
|
918 Lisp_Object tmp = tags[j];
|
|
|
919 tags[j] = tags[j+1];
|
|
|
920 tags[j+1] = tmp;
|
|
|
921 j--;
|
|
|
922 }
|
|
|
923 }
|
|
|
924
|
|
|
925 /* Now eliminate duplicates. */
|
|
|
926
|
|
|
927 for (i = 1, j = 1; i < len; i++)
|
|
|
928 {
|
|
|
929 /* j holds the destination, i the source. */
|
|
|
930 if (!EQ (tags[i], tags[i-1]))
|
|
|
931 tags[j++] = tags[i];
|
|
|
932 }
|
|
|
933
|
|
|
934 return Flist (j, tags);
|
|
|
935 }
|
|
|
936
|
|
|
937 DEFUN ("canonicalize-tag-set", Fcanonicalize_tag_set, 1, 1, 0, /*
|
|
|
938 Canonicalize the given tag set.
|
|
|
939 Two canonicalized tag sets can be compared with `equal' to see if they
|
|
|
940 represent the same tag set. (Specifically, canonicalizing involves
|
|
|
941 sorting by symbol name and removing duplicates.)
|
|
|
942 */
|
|
|
943 (tag_set))
|
|
|
944 {
|
|
|
945 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
946 invalid_argument ("Invalid tag set", tag_set);
|
|
428
|
947 return canonicalize_tag_set (tag_set);
|
|
|
948 }
|
|
|
949
|
|
|
950 static int
|
|
|
951 device_matches_specifier_tag_set_p (Lisp_Object device, Lisp_Object tag_set)
|
|
|
952 {
|
|
|
953 Lisp_Object devtype, devclass, rest;
|
|
|
954 struct device *d = XDEVICE (device);
|
|
|
955
|
|
|
956 devtype = DEVICE_TYPE (d);
|
|
|
957 devclass = DEVICE_CLASS (d);
|
|
|
958
|
|
|
959 LIST_LOOP (rest, tag_set)
|
|
|
960 {
|
|
|
961 Lisp_Object tag = XCAR (rest);
|
|
|
962 Lisp_Object assoc;
|
|
|
963
|
|
|
964 if (EQ (tag, devtype) || EQ (tag, devclass))
|
|
|
965 continue;
|
|
|
966 assoc = assq_no_quit (tag, DEVICE_USER_DEFINED_TAGS (d));
|
|
|
967 /* other built-in tags (device types/classes) are not in
|
|
|
968 the user-defined-tags list. */
|
|
|
969 if (NILP (assoc) || NILP (XCDR (assoc)))
|
|
|
970 return 0;
|
|
|
971 }
|
|
|
972
|
|
|
973 return 1;
|
|
|
974 }
|
|
|
975
|
|
442
|
976 DEFUN ("device-matches-specifier-tag-set-p",
|
|
|
977 Fdevice_matches_specifier_tag_set_p, 2, 2, 0, /*
|
|
428
|
978 Return non-nil if DEVICE matches specifier tag set TAG-SET.
|
|
|
979 This means that DEVICE matches each tag in the tag set. (Every
|
|
|
980 tag recognized by XEmacs has a predicate associated with it that
|
|
|
981 specifies which devices match it.)
|
|
|
982 */
|
|
|
983 (device, tag_set))
|
|
|
984 {
|
|
|
985 CHECK_LIVE_DEVICE (device);
|
|
|
986
|
|
|
987 if (NILP (Fvalid_specifier_tag_set_p (tag_set)))
|
|
563
|
988 invalid_argument ("Invalid tag set", tag_set);
|
|
428
|
989
|
|
|
990 return device_matches_specifier_tag_set_p (device, tag_set) ? Qt : Qnil;
|
|
|
991 }
|
|
|
992
|
|
|
993 DEFUN ("define-specifier-tag", Fdefine_specifier_tag, 1, 2, 0, /*
|
|
|
994 Define a new specifier tag.
|
|
|
995 If PREDICATE is specified, it should be a function of one argument
|
|
|
996 \(a device) that specifies whether the tag matches that particular
|
|
|
997 device. If PREDICATE is omitted, the tag matches all devices.
|
|
|
998
|
|
|
999 You can redefine an existing user-defined specifier tag. However,
|
|
|
1000 you cannot redefine the built-in specifier tags (the device types
|
|
2953
|
1001 and classes) or the symbols nil, t, `all', or `global'.
|
|
428
|
1002 */
|
|
|
1003 (tag, predicate))
|
|
|
1004 {
|
|
|
1005 Lisp_Object assoc, devcons, concons;
|
|
|
1006 int recompute = 0;
|
|
|
1007
|
|
|
1008 CHECK_SYMBOL (tag);
|
|
|
1009 if (valid_device_class_p (tag) ||
|
|
|
1010 valid_console_type_p (tag))
|
|
563
|
1011 invalid_change ("Cannot redefine built-in specifier tags", tag);
|
|
428
|
1012 /* Try to prevent common instantiators and locales from being
|
|
|
1013 redefined, to reduce ambiguity */
|
|
|
1014 if (NILP (tag) || EQ (tag, Qt) || EQ (tag, Qall) || EQ (tag, Qglobal))
|
|
2953
|
1015 invalid_change ("Cannot define nil, t, `all', or `global'", tag);
|
|
428
|
1016 assoc = assq_no_quit (tag, Vuser_defined_tags);
|
|
|
1017 if (NILP (assoc))
|
|
|
1018 {
|
|
|
1019 recompute = 1;
|
|
|
1020 Vuser_defined_tags = Fcons (Fcons (tag, predicate), Vuser_defined_tags);
|
|
|
1021 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1022 {
|
|
|
1023 struct device *d = XDEVICE (XCAR (devcons));
|
|
|
1024 /* Initially set the value to t in case of error
|
|
|
1025 in predicate */
|
|
|
1026 DEVICE_USER_DEFINED_TAGS (d) =
|
|
|
1027 Fcons (Fcons (tag, Qt), DEVICE_USER_DEFINED_TAGS (d));
|
|
|
1028 }
|
|
|
1029 }
|
|
|
1030 else if (!NILP (predicate) && !NILP (XCDR (assoc)))
|
|
|
1031 {
|
|
|
1032 recompute = 1;
|
|
|
1033 XCDR (assoc) = predicate;
|
|
|
1034 }
|
|
|
1035
|
|
|
1036 /* recompute the tag values for all devices. However, in the special
|
|
|
1037 case where both the old and new predicates are nil, we know that
|
|
|
1038 we don't have to do this. (It's probably common for people to
|
|
|
1039 call (define-specifier-tag) more than once on the same tag,
|
|
|
1040 and the most common case is where PREDICATE is not specified.) */
|
|
|
1041
|
|
|
1042 if (recompute)
|
|
|
1043 {
|
|
|
1044 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1045 {
|
|
|
1046 Lisp_Object device = XCAR (devcons);
|
|
|
1047 assoc = assq_no_quit (tag,
|
|
|
1048 DEVICE_USER_DEFINED_TAGS (XDEVICE (device)));
|
|
|
1049 assert (CONSP (assoc));
|
|
|
1050 if (NILP (predicate))
|
|
|
1051 XCDR (assoc) = Qt;
|
|
|
1052 else
|
|
|
1053 XCDR (assoc) = !NILP (call1 (predicate, device)) ? Qt : Qnil;
|
|
|
1054 }
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 return Qnil;
|
|
|
1058 }
|
|
|
1059
|
|
|
1060 /* Called at device-creation time to initialize the user-defined
|
|
|
1061 tag values for the newly-created device. */
|
|
|
1062
|
|
|
1063 void
|
|
|
1064 setup_device_initial_specifier_tags (struct device *d)
|
|
|
1065 {
|
|
|
1066 Lisp_Object rest, rest2;
|
|
793
|
1067 Lisp_Object device = wrap_device (d);
|
|
|
1068
|
|
428
|
1069 DEVICE_USER_DEFINED_TAGS (d) = Fcopy_alist (Vuser_defined_tags);
|
|
|
1070
|
|
|
1071 /* Now set up the initial values */
|
|
|
1072 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
1073 XCDR (XCAR (rest)) = Qt;
|
|
|
1074
|
|
|
1075 for (rest = Vuser_defined_tags, rest2 = DEVICE_USER_DEFINED_TAGS (d);
|
|
|
1076 !NILP (rest); rest = XCDR (rest), rest2 = XCDR (rest2))
|
|
|
1077 {
|
|
|
1078 Lisp_Object predicate = XCDR (XCAR (rest));
|
|
|
1079 if (NILP (predicate))
|
|
|
1080 XCDR (XCAR (rest2)) = Qt;
|
|
|
1081 else
|
|
872
|
1082 XCDR (XCAR (rest2)) =
|
|
|
1083 !NILP (call_critical_lisp_code (d, predicate, device)) ? Qt : Qnil;
|
|
428
|
1084 }
|
|
|
1085 }
|
|
|
1086
|
|
442
|
1087 DEFUN ("device-matching-specifier-tag-list",
|
|
|
1088 Fdevice_matching_specifier_tag_list,
|
|
428
|
1089 0, 1, 0, /*
|
|
|
1090 Return a list of all specifier tags matching DEVICE.
|
|
|
1091 DEVICE defaults to the selected device if omitted.
|
|
|
1092 */
|
|
|
1093 (device))
|
|
|
1094 {
|
|
|
1095 struct device *d = decode_device (device);
|
|
|
1096 Lisp_Object rest, list = Qnil;
|
|
|
1097 struct gcpro gcpro1;
|
|
|
1098
|
|
|
1099 GCPRO1 (list);
|
|
|
1100
|
|
|
1101 LIST_LOOP (rest, DEVICE_USER_DEFINED_TAGS (d))
|
|
|
1102 {
|
|
|
1103 if (!NILP (XCDR (XCAR (rest))))
|
|
|
1104 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
1105 }
|
|
|
1106
|
|
|
1107 list = Fnreverse (list);
|
|
|
1108 list = Fcons (DEVICE_CLASS (d), list);
|
|
|
1109 list = Fcons (DEVICE_TYPE (d), list);
|
|
|
1110
|
|
|
1111 RETURN_UNGCPRO (list);
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 DEFUN ("specifier-tag-list", Fspecifier_tag_list, 0, 0, 0, /*
|
|
|
1115 Return a list of all currently-defined specifier tags.
|
|
|
1116 This includes the built-in ones (the device types and classes).
|
|
|
1117 */
|
|
|
1118 ())
|
|
|
1119 {
|
|
|
1120 Lisp_Object list = Qnil, rest;
|
|
|
1121 struct gcpro gcpro1;
|
|
|
1122
|
|
|
1123 GCPRO1 (list);
|
|
|
1124
|
|
|
1125 LIST_LOOP (rest, Vuser_defined_tags)
|
|
|
1126 list = Fcons (XCAR (XCAR (rest)), list);
|
|
|
1127
|
|
|
1128 list = Fnreverse (list);
|
|
|
1129 list = nconc2 (Fcopy_sequence (Vdevice_class_list), list);
|
|
|
1130 list = nconc2 (Fcopy_sequence (Vconsole_type_list), list);
|
|
|
1131
|
|
|
1132 RETURN_UNGCPRO (list);
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 DEFUN ("specifier-tag-predicate", Fspecifier_tag_predicate, 1, 1, 0, /*
|
|
|
1136 Return the predicate for the given specifier tag.
|
|
|
1137 */
|
|
|
1138 (tag))
|
|
|
1139 {
|
|
|
1140 /* The return value of this function must be GCPRO'd. */
|
|
|
1141 CHECK_SYMBOL (tag);
|
|
|
1142
|
|
|
1143 if (NILP (Fvalid_specifier_tag_p (tag)))
|
|
563
|
1144 invalid_argument ("Invalid specifier tag",
|
|
442
|
1145 tag);
|
|
428
|
1146
|
|
|
1147 /* Make up some predicates for the built-in types */
|
|
|
1148
|
|
|
1149 if (valid_console_type_p (tag))
|
|
|
1150 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1151 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1152 list2 (Qconsole_type, Qdevice)));
|
|
|
1153
|
|
|
1154 if (valid_device_class_p (tag))
|
|
|
1155 return list3 (Qlambda, list1 (Qdevice),
|
|
|
1156 list3 (Qeq, list2 (Qquote, tag),
|
|
|
1157 list2 (Qdevice_class, Qdevice)));
|
|
|
1158
|
|
|
1159 return XCDR (assq_no_quit (tag, Vuser_defined_tags));
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 /* Return true if A "matches" B. If EXACT_P is 0, A must be a subset of B.
|
|
|
1163 Otherwise, A must be `equal' to B. The sets must be canonicalized. */
|
|
|
1164 static int
|
|
|
1165 tag_sets_match_p (Lisp_Object a, Lisp_Object b, int exact_p)
|
|
|
1166 {
|
|
|
1167 if (!exact_p)
|
|
|
1168 {
|
|
|
1169 while (!NILP (a) && !NILP (b))
|
|
|
1170 {
|
|
|
1171 if (EQ (XCAR (a), XCAR (b)))
|
|
|
1172 a = XCDR (a);
|
|
|
1173 b = XCDR (b);
|
|
|
1174 }
|
|
|
1175
|
|
|
1176 return NILP (a);
|
|
|
1177 }
|
|
|
1178 else
|
|
|
1179 {
|
|
|
1180 while (!NILP (a) && !NILP (b))
|
|
|
1181 {
|
|
|
1182 if (!EQ (XCAR (a), XCAR (b)))
|
|
|
1183 return 0;
|
|
|
1184 a = XCDR (a);
|
|
|
1185 b = XCDR (b);
|
|
|
1186 }
|
|
|
1187
|
|
|
1188 return NILP (a) && NILP (b);
|
|
|
1189 }
|
|
|
1190 }
|
|
|
1191
|
|
|
1192
|
|
|
1193 /************************************************************************/
|
|
|
1194 /* Spec-lists and inst-lists */
|
|
|
1195 /************************************************************************/
|
|
|
1196
|
|
|
1197 static Lisp_Object
|
|
|
1198 call_validate_method (Lisp_Object boxed_method, Lisp_Object instantiator)
|
|
|
1199 {
|
|
|
1200 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (instantiator);
|
|
|
1201 return Qt;
|
|
|
1202 }
|
|
|
1203
|
|
|
1204 static Lisp_Object
|
|
|
1205 check_valid_instantiator (Lisp_Object instantiator,
|
|
|
1206 struct specifier_methods *meths,
|
|
578
|
1207 Error_Behavior errb)
|
|
428
|
1208 {
|
|
|
1209 if (meths->validate_method)
|
|
|
1210 {
|
|
|
1211 Lisp_Object retval;
|
|
|
1212
|
|
|
1213 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
1214 {
|
|
|
1215 (meths->validate_method) (instantiator);
|
|
|
1216 retval = Qt;
|
|
|
1217 }
|
|
|
1218 else
|
|
|
1219 {
|
|
|
1220 Lisp_Object opaque = make_opaque_ptr ((void *)
|
|
|
1221 meths->validate_method);
|
|
|
1222 struct gcpro gcpro1;
|
|
|
1223
|
|
|
1224 GCPRO1 (opaque);
|
|
|
1225 retval = call_with_suspended_errors
|
|
|
1226 ((lisp_fn_t) call_validate_method,
|
|
|
1227 Qnil, Qspecifier, errb, 2, opaque, instantiator);
|
|
|
1228
|
|
|
1229 free_opaque_ptr (opaque);
|
|
|
1230 UNGCPRO;
|
|
|
1231 }
|
|
|
1232
|
|
|
1233 return retval;
|
|
|
1234 }
|
|
|
1235 return Qt;
|
|
|
1236 }
|
|
|
1237
|
|
|
1238 DEFUN ("check-valid-instantiator", Fcheck_valid_instantiator, 2, 2, 0, /*
|
|
|
1239 Signal an error if INSTANTIATOR is invalid for SPECIFIER-TYPE.
|
|
|
1240 */
|
|
|
1241 (instantiator, specifier_type))
|
|
|
1242 {
|
|
|
1243 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1244 ERROR_ME);
|
|
|
1245
|
|
|
1246 return check_valid_instantiator (instantiator, meths, ERROR_ME);
|
|
|
1247 }
|
|
|
1248
|
|
|
1249 DEFUN ("valid-instantiator-p", Fvalid_instantiator_p, 2, 2, 0, /*
|
|
|
1250 Return non-nil if INSTANTIATOR is valid for SPECIFIER-TYPE.
|
|
|
1251 */
|
|
|
1252 (instantiator, specifier_type))
|
|
|
1253 {
|
|
|
1254 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
1255 ERROR_ME);
|
|
|
1256
|
|
|
1257 return check_valid_instantiator (instantiator, meths, ERROR_ME_NOT);
|
|
|
1258 }
|
|
|
1259
|
|
|
1260 static Lisp_Object
|
|
|
1261 check_valid_inst_list (Lisp_Object inst_list, struct specifier_methods *meths,
|
|
578
|
1262 Error_Behavior errb)
|
|
428
|
1263 {
|
|
2159
|
1264 EXTERNAL_LIST_LOOP_2 (inst_pair, inst_list)
|
|
428
|
1265 {
|
|
2159
|
1266 Lisp_Object tag_set;
|
|
|
1267
|
|
|
1268 if (!CONSP (inst_pair))
|
|
428
|
1269 {
|
|
563
|
1270 maybe_sferror (
|
|
442
|
1271 "Invalid instantiator pair", inst_pair,
|
|
428
|
1272 Qspecifier, errb);
|
|
|
1273 return Qnil;
|
|
|
1274 }
|
|
|
1275 if (NILP (Fvalid_specifier_tag_set_p (tag_set = XCAR (inst_pair))))
|
|
|
1276 {
|
|
563
|
1277 maybe_invalid_argument (
|
|
442
|
1278 "Invalid specifier tag", tag_set,
|
|
428
|
1279 Qspecifier, errb);
|
|
|
1280 return Qnil;
|
|
|
1281 }
|
|
|
1282
|
|
|
1283 if (NILP (check_valid_instantiator (XCDR (inst_pair), meths, errb)))
|
|
|
1284 return Qnil;
|
|
|
1285 }
|
|
|
1286
|
|
|
1287 return Qt;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290 DEFUN ("check-valid-inst-list", Fcheck_valid_inst_list, 2, 2, 0, /*
|
|
|
1291 Signal an error if INST-LIST is invalid for specifier type TYPE.
|
|
|
1292 */
|
|
|
1293 (inst_list, type))
|
|
|
1294 {
|
|
|
1295 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1296
|
|
|
1297 return check_valid_inst_list (inst_list, meths, ERROR_ME);
|
|
|
1298 }
|
|
|
1299
|
|
|
1300 DEFUN ("valid-inst-list-p", Fvalid_inst_list_p, 2, 2, 0, /*
|
|
|
1301 Return non-nil if INST-LIST is valid for specifier type TYPE.
|
|
|
1302 */
|
|
|
1303 (inst_list, type))
|
|
|
1304 {
|
|
|
1305 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1306
|
|
|
1307 return check_valid_inst_list (inst_list, meths, ERROR_ME_NOT);
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 static Lisp_Object
|
|
|
1311 check_valid_spec_list (Lisp_Object spec_list, struct specifier_methods *meths,
|
|
578
|
1312 Error_Behavior errb)
|
|
428
|
1313 {
|
|
2159
|
1314 EXTERNAL_LIST_LOOP_2 (spec, spec_list)
|
|
428
|
1315 {
|
|
2159
|
1316 Lisp_Object locale;
|
|
|
1317 if (!CONSP (spec))
|
|
428
|
1318 {
|
|
563
|
1319 maybe_sferror (
|
|
442
|
1320 "Invalid specification list", spec_list,
|
|
428
|
1321 Qspecifier, errb);
|
|
|
1322 return Qnil;
|
|
|
1323 }
|
|
|
1324 if (NILP (Fvalid_specifier_locale_p (locale = XCAR (spec))))
|
|
|
1325 {
|
|
563
|
1326 maybe_invalid_argument (
|
|
442
|
1327 "Invalid specifier locale", locale,
|
|
428
|
1328 Qspecifier, errb);
|
|
|
1329 return Qnil;
|
|
|
1330 }
|
|
|
1331
|
|
|
1332 if (NILP (check_valid_inst_list (XCDR (spec), meths, errb)))
|
|
|
1333 return Qnil;
|
|
|
1334 }
|
|
|
1335
|
|
|
1336 return Qt;
|
|
|
1337 }
|
|
|
1338
|
|
|
1339 DEFUN ("check-valid-spec-list", Fcheck_valid_spec_list, 2, 2, 0, /*
|
|
|
1340 Signal an error if SPEC-LIST is invalid for specifier type TYPE.
|
|
|
1341 */
|
|
|
1342 (spec_list, type))
|
|
|
1343 {
|
|
|
1344 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1345
|
|
|
1346 return check_valid_spec_list (spec_list, meths, ERROR_ME);
|
|
|
1347 }
|
|
|
1348
|
|
|
1349 DEFUN ("valid-spec-list-p", Fvalid_spec_list_p, 2, 2, 0, /*
|
|
|
1350 Return non-nil if SPEC-LIST is valid for specifier type TYPE.
|
|
|
1351 */
|
|
|
1352 (spec_list, type))
|
|
|
1353 {
|
|
|
1354 struct specifier_methods *meths = decode_specifier_type (type, ERROR_ME);
|
|
|
1355
|
|
|
1356 return check_valid_spec_list (spec_list, meths, ERROR_ME_NOT);
|
|
|
1357 }
|
|
|
1358
|
|
|
1359 enum spec_add_meth
|
|
|
1360 decode_how_to_add_specification (Lisp_Object how_to_add)
|
|
|
1361 {
|
|
|
1362 if (NILP (how_to_add) || EQ (Qremove_tag_set_prepend, how_to_add))
|
|
|
1363 return SPEC_REMOVE_TAG_SET_PREPEND;
|
|
|
1364 if (EQ (Qremove_tag_set_append, how_to_add))
|
|
|
1365 return SPEC_REMOVE_TAG_SET_APPEND;
|
|
|
1366 if (EQ (Qappend, how_to_add))
|
|
|
1367 return SPEC_APPEND;
|
|
|
1368 if (EQ (Qprepend, how_to_add))
|
|
|
1369 return SPEC_PREPEND;
|
|
|
1370 if (EQ (Qremove_locale, how_to_add))
|
|
|
1371 return SPEC_REMOVE_LOCALE;
|
|
|
1372 if (EQ (Qremove_locale_type, how_to_add))
|
|
|
1373 return SPEC_REMOVE_LOCALE_TYPE;
|
|
|
1374 if (EQ (Qremove_all, how_to_add))
|
|
|
1375 return SPEC_REMOVE_ALL;
|
|
|
1376
|
|
563
|
1377 invalid_constant ("Invalid `how-to-add' flag", how_to_add);
|
|
428
|
1378
|
|
1204
|
1379 RETURN_NOT_REACHED (SPEC_PREPEND);
|
|
428
|
1380 }
|
|
|
1381
|
|
|
1382 /* Given a specifier object SPEC, return bodily specifier if SPEC is a
|
|
|
1383 ghost specifier, otherwise return the object itself
|
|
|
1384 */
|
|
|
1385 static Lisp_Object
|
|
|
1386 bodily_specifier (Lisp_Object spec)
|
|
|
1387 {
|
|
|
1388 return (GHOST_SPECIFIER_P (XSPECIFIER (spec))
|
|
|
1389 ? XSPECIFIER(spec)->magic_parent : spec);
|
|
|
1390 }
|
|
|
1391
|
|
|
1392 /* Signal error if (specifier SPEC is read-only.
|
|
|
1393 Read only are ghost specifiers unless Vunlock_ghost_specifiers is
|
|
|
1394 non-nil. All other specifiers are read-write.
|
|
|
1395 */
|
|
|
1396 static void
|
|
|
1397 check_modifiable_specifier (Lisp_Object spec)
|
|
|
1398 {
|
|
|
1399 if (NILP (Vunlock_ghost_specifiers)
|
|
|
1400 && GHOST_SPECIFIER_P (XSPECIFIER (spec)))
|
|
563
|
1401 signal_error (Qsetting_constant,
|
|
|
1402 "Attempt to modify read-only specifier",
|
|
|
1403 spec);
|
|
428
|
1404 }
|
|
|
1405
|
|
|
1406 int
|
|
|
1407 unlock_ghost_specifiers_protected (void)
|
|
|
1408 {
|
|
853
|
1409 return internal_bind_lisp_object (&Vunlock_ghost_specifiers, Qt);
|
|
428
|
1410 }
|
|
|
1411
|
|
|
1412 /* This gets hit so much that the function call overhead had a
|
|
|
1413 measurable impact (according to Quantify). #### We should figure
|
|
|
1414 out the frequency with which this is called with the various types
|
|
|
1415 and reorder the check accordingly. */
|
|
|
1416 #define SPECIFIER_GET_SPEC_LIST(specifier, type) \
|
|
|
1417 (type == LOCALE_GLOBAL ? &(XSPECIFIER (specifier)->global_specs) : \
|
|
|
1418 type == LOCALE_DEVICE ? &(XSPECIFIER (specifier)->device_specs) : \
|
|
|
1419 type == LOCALE_FRAME ? &(XSPECIFIER (specifier)->frame_specs) : \
|
|
|
1420 type == LOCALE_WINDOW ? &(XWEAK_LIST_LIST \
|
|
|
1421 (XSPECIFIER (specifier)->window_specs)) : \
|
|
|
1422 type == LOCALE_BUFFER ? &(XSPECIFIER (specifier)->buffer_specs) : \
|
|
|
1423 0)
|
|
|
1424
|
|
|
1425 static Lisp_Object *
|
|
|
1426 specifier_get_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1427 enum spec_locale_type type)
|
|
|
1428 {
|
|
|
1429 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1430 Lisp_Object specification;
|
|
|
1431
|
|
|
1432 if (type == LOCALE_GLOBAL)
|
|
|
1433 return spec_list;
|
|
|
1434 /* Calling assq_no_quit when it is just going to return nil anyhow
|
|
|
1435 is extremely expensive. So sayeth Quantify. */
|
|
|
1436 if (!CONSP (*spec_list))
|
|
|
1437 return 0;
|
|
|
1438 specification = assq_no_quit (locale, *spec_list);
|
|
|
1439 if (NILP (specification))
|
|
|
1440 return 0;
|
|
|
1441 return &XCDR (specification);
|
|
|
1442 }
|
|
|
1443
|
|
|
1444 /* For the given INST_LIST, return a new INST_LIST containing all elements
|
|
|
1445 where TAG-SET matches the element's tag set. EXACT_P indicates whether
|
|
|
1446 the match must be exact (as opposed to a subset). SHORT_P indicates
|
|
|
1447 that the short form (for `specifier-specs') should be returned if
|
|
|
1448 possible. If COPY_TREE_P, `copy-tree' is used to ensure that no
|
|
|
1449 elements of the new list are shared with the initial list.
|
|
|
1450 */
|
|
|
1451
|
|
|
1452 static Lisp_Object
|
|
|
1453 specifier_process_inst_list (Lisp_Object inst_list,
|
|
|
1454 Lisp_Object tag_set, int exact_p,
|
|
|
1455 int short_p, int copy_tree_p)
|
|
|
1456 {
|
|
|
1457 Lisp_Object retval = Qnil;
|
|
|
1458 Lisp_Object rest;
|
|
|
1459 struct gcpro gcpro1;
|
|
|
1460
|
|
|
1461 GCPRO1 (retval);
|
|
|
1462 LIST_LOOP (rest, inst_list)
|
|
|
1463 {
|
|
|
1464 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
1465 Lisp_Object tagged_inst_tag = XCAR (tagged_inst);
|
|
|
1466 if (tag_sets_match_p (tag_set, tagged_inst_tag, exact_p))
|
|
|
1467 {
|
|
|
1468 if (short_p && NILP (tagged_inst_tag))
|
|
|
1469 retval = Fcons (copy_tree_p ?
|
|
|
1470 Fcopy_tree (XCDR (tagged_inst), Qt) :
|
|
|
1471 XCDR (tagged_inst),
|
|
|
1472 retval);
|
|
|
1473 else
|
|
|
1474 retval = Fcons (copy_tree_p ? Fcopy_tree (tagged_inst, Qt) :
|
|
|
1475 tagged_inst, retval);
|
|
|
1476 }
|
|
|
1477 }
|
|
|
1478 retval = Fnreverse (retval);
|
|
|
1479 UNGCPRO;
|
|
|
1480 /* If there is a single instantiator and the short form is
|
|
|
1481 requested, return just the instantiator (rather than a one-element
|
|
|
1482 list of it) unless it is nil (so that it can be distinguished from
|
|
|
1483 no instantiators at all). */
|
|
|
1484 if (short_p && CONSP (retval) && !NILP (XCAR (retval)) &&
|
|
|
1485 NILP (XCDR (retval)))
|
|
|
1486 return XCAR (retval);
|
|
|
1487 else
|
|
|
1488 return retval;
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 static Lisp_Object
|
|
|
1492 specifier_get_external_inst_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1493 enum spec_locale_type type,
|
|
|
1494 Lisp_Object tag_set, int exact_p,
|
|
|
1495 int short_p, int copy_tree_p)
|
|
|
1496 {
|
|
|
1497 Lisp_Object *inst_list = specifier_get_inst_list (specifier, locale,
|
|
|
1498 type);
|
|
|
1499 if (!inst_list || NILP (*inst_list))
|
|
|
1500 {
|
|
2953
|
1501 /* nil for *inst_list should only occur in `global' */
|
|
428
|
1502 assert (!inst_list || EQ (locale, Qglobal));
|
|
|
1503 return Qnil;
|
|
|
1504 }
|
|
|
1505
|
|
|
1506 return specifier_process_inst_list (*inst_list, tag_set, exact_p,
|
|
|
1507 short_p, copy_tree_p);
|
|
|
1508 }
|
|
|
1509
|
|
|
1510 static Lisp_Object
|
|
|
1511 specifier_get_external_spec_list (Lisp_Object specifier,
|
|
|
1512 enum spec_locale_type type,
|
|
|
1513 Lisp_Object tag_set, int exact_p)
|
|
|
1514 {
|
|
|
1515 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1516 Lisp_Object retval = Qnil;
|
|
|
1517 Lisp_Object rest;
|
|
|
1518 struct gcpro gcpro1;
|
|
|
1519
|
|
|
1520 assert (type != LOCALE_GLOBAL);
|
|
|
1521 /* We're about to let stuff go external; make sure there aren't
|
|
|
1522 any dead objects */
|
|
|
1523 *spec_list = cleanup_assoc_list (*spec_list);
|
|
|
1524
|
|
|
1525 GCPRO1 (retval);
|
|
|
1526 LIST_LOOP (rest, *spec_list)
|
|
|
1527 {
|
|
|
1528 Lisp_Object spec = XCAR (rest);
|
|
|
1529 Lisp_Object inst_list =
|
|
|
1530 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 1);
|
|
|
1531 if (!NILP (inst_list))
|
|
|
1532 retval = Fcons (Fcons (XCAR (spec), inst_list), retval);
|
|
|
1533 }
|
|
|
1534 RETURN_UNGCPRO (Fnreverse (retval));
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 static Lisp_Object *
|
|
|
1538 specifier_new_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1539 enum spec_locale_type type)
|
|
|
1540 {
|
|
|
1541 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1542 Lisp_Object new_spec = Fcons (locale, Qnil);
|
|
|
1543 assert (type != LOCALE_GLOBAL);
|
|
|
1544 *spec_list = Fcons (new_spec, *spec_list);
|
|
|
1545 return &XCDR (new_spec);
|
|
|
1546 }
|
|
|
1547
|
|
|
1548 /* For the given INST_LIST, return a new list comprised of elements
|
|
|
1549 where TAG_SET does not match the element's tag set. This operation
|
|
|
1550 is destructive. */
|
|
|
1551
|
|
|
1552 static Lisp_Object
|
|
|
1553 specifier_process_remove_inst_list (Lisp_Object inst_list,
|
|
|
1554 Lisp_Object tag_set, int exact_p,
|
|
|
1555 int *was_removed)
|
|
|
1556 {
|
|
|
1557 Lisp_Object prev = Qnil, rest;
|
|
|
1558
|
|
|
1559 *was_removed = 0;
|
|
|
1560
|
|
|
1561 LIST_LOOP (rest, inst_list)
|
|
|
1562 {
|
|
|
1563 if (tag_sets_match_p (tag_set, XCAR (XCAR (rest)), exact_p))
|
|
|
1564 {
|
|
|
1565 /* time to remove. */
|
|
|
1566 *was_removed = 1;
|
|
|
1567 if (NILP (prev))
|
|
|
1568 inst_list = XCDR (rest);
|
|
|
1569 else
|
|
|
1570 XCDR (prev) = XCDR (rest);
|
|
|
1571 }
|
|
|
1572 else
|
|
|
1573 prev = rest;
|
|
|
1574 }
|
|
|
1575
|
|
|
1576 return inst_list;
|
|
|
1577 }
|
|
|
1578
|
|
|
1579 static void
|
|
|
1580 specifier_remove_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1581 enum spec_locale_type type,
|
|
|
1582 Lisp_Object tag_set, int exact_p)
|
|
|
1583 {
|
|
|
1584 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1585 Lisp_Object assoc;
|
|
|
1586 int was_removed;
|
|
|
1587
|
|
|
1588 if (type == LOCALE_GLOBAL)
|
|
|
1589 *spec_list = specifier_process_remove_inst_list (*spec_list, tag_set,
|
|
|
1590 exact_p, &was_removed);
|
|
|
1591 else
|
|
|
1592 {
|
|
|
1593 assoc = assq_no_quit (locale, *spec_list);
|
|
|
1594 if (NILP (assoc))
|
|
|
1595 /* this locale is not found. */
|
|
|
1596 return;
|
|
|
1597 XCDR (assoc) = specifier_process_remove_inst_list (XCDR (assoc),
|
|
|
1598 tag_set, exact_p,
|
|
|
1599 &was_removed);
|
|
|
1600 if (NILP (XCDR (assoc)))
|
|
|
1601 /* no inst-pairs left; remove this locale entirely. */
|
|
|
1602 *spec_list = remassq_no_quit (locale, *spec_list);
|
|
|
1603 }
|
|
|
1604
|
|
|
1605 if (was_removed)
|
|
|
1606 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
|
1607 (bodily_specifier (specifier), locale));
|
|
|
1608 }
|
|
|
1609
|
|
|
1610 static void
|
|
|
1611 specifier_remove_locale_type (Lisp_Object specifier,
|
|
|
1612 enum spec_locale_type type,
|
|
|
1613 Lisp_Object tag_set, int exact_p)
|
|
|
1614 {
|
|
|
1615 Lisp_Object *spec_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1616 Lisp_Object prev = Qnil, rest;
|
|
|
1617
|
|
|
1618 assert (type != LOCALE_GLOBAL);
|
|
|
1619 LIST_LOOP (rest, *spec_list)
|
|
|
1620 {
|
|
|
1621 int was_removed;
|
|
|
1622 int remove_spec = 0;
|
|
|
1623 Lisp_Object spec = XCAR (rest);
|
|
|
1624
|
|
|
1625 /* There may be dead objects floating around */
|
|
|
1626 /* remember, dead windows can become alive again. */
|
|
|
1627 if (!WINDOWP (XCAR (spec)) && object_dead_p (XCAR (spec)))
|
|
|
1628 {
|
|
|
1629 remove_spec = 1;
|
|
|
1630 was_removed = 0;
|
|
|
1631 }
|
|
|
1632 else
|
|
|
1633 {
|
|
|
1634 XCDR (spec) = specifier_process_remove_inst_list (XCDR (spec),
|
|
|
1635 tag_set, exact_p,
|
|
|
1636 &was_removed);
|
|
|
1637 if (NILP (XCDR (spec)))
|
|
|
1638 remove_spec = 1;
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 if (remove_spec)
|
|
|
1642 {
|
|
|
1643 if (NILP (prev))
|
|
|
1644 *spec_list = XCDR (rest);
|
|
|
1645 else
|
|
|
1646 XCDR (prev) = XCDR (rest);
|
|
|
1647 }
|
|
|
1648 else
|
|
|
1649 prev = rest;
|
|
|
1650
|
|
|
1651 if (was_removed)
|
|
|
1652 MAYBE_SPECMETH (XSPECIFIER (specifier), after_change,
|
|
|
1653 (bodily_specifier (specifier), XCAR (spec)));
|
|
|
1654 }
|
|
|
1655 }
|
|
|
1656
|
|
|
1657 /* NEW_LIST is going to be added to INST_LIST, with add method ADD_METH.
|
|
|
1658 Frob INST_LIST according to ADD_METH. No need to call an after-change
|
|
|
1659 function; the calling function will do this. Return either SPEC_PREPEND
|
|
|
1660 or SPEC_APPEND, indicating whether to prepend or append the NEW_LIST. */
|
|
|
1661
|
|
|
1662 static enum spec_add_meth
|
|
|
1663 handle_multiple_add_insts (Lisp_Object *inst_list,
|
|
|
1664 Lisp_Object new_list,
|
|
|
1665 enum spec_add_meth add_meth)
|
|
|
1666 {
|
|
|
1667 switch (add_meth)
|
|
|
1668 {
|
|
|
1669 case SPEC_REMOVE_TAG_SET_APPEND:
|
|
|
1670 add_meth = SPEC_APPEND;
|
|
|
1671 goto remove_tag_set;
|
|
|
1672 case SPEC_REMOVE_TAG_SET_PREPEND:
|
|
|
1673 add_meth = SPEC_PREPEND;
|
|
|
1674 remove_tag_set:
|
|
|
1675 {
|
|
|
1676 Lisp_Object rest;
|
|
|
1677
|
|
|
1678 LIST_LOOP (rest, new_list)
|
|
|
1679 {
|
|
|
1680 Lisp_Object canontag = canonicalize_tag_set (XCAR (XCAR (rest)));
|
|
|
1681 struct gcpro gcpro1;
|
|
|
1682
|
|
|
1683 GCPRO1 (canontag);
|
|
|
1684 /* pull out all elements from the existing list with the
|
|
|
1685 same tag as any tags in NEW_LIST. */
|
|
|
1686 *inst_list = remassoc_no_quit (canontag, *inst_list);
|
|
|
1687 UNGCPRO;
|
|
|
1688 }
|
|
|
1689 }
|
|
|
1690 return add_meth;
|
|
|
1691 case SPEC_REMOVE_LOCALE:
|
|
|
1692 *inst_list = Qnil;
|
|
|
1693 return SPEC_PREPEND;
|
|
|
1694 case SPEC_APPEND:
|
|
|
1695 return add_meth;
|
|
|
1696 default:
|
|
|
1697 return SPEC_PREPEND;
|
|
|
1698 }
|
|
|
1699 }
|
|
|
1700
|
|
|
1701 /* Given a LOCALE and INST_LIST that is going to be added to SPECIFIER,
|
|
|
1702 copy, canonicalize, and call the going_to_add methods as necessary
|
|
|
1703 to produce a new list that is the one that really will be added
|
|
|
1704 to the specifier. */
|
|
|
1705
|
|
|
1706 static Lisp_Object
|
|
|
1707 build_up_processed_list (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1708 Lisp_Object inst_list)
|
|
|
1709 {
|
|
|
1710 /* The return value of this function must be GCPRO'd. */
|
|
|
1711 Lisp_Object rest, list_to_build_up = Qnil;
|
|
440
|
1712 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
1713 struct gcpro gcpro1;
|
|
|
1714
|
|
|
1715 GCPRO1 (list_to_build_up);
|
|
|
1716 LIST_LOOP (rest, inst_list)
|
|
|
1717 {
|
|
|
1718 Lisp_Object tag_set = XCAR (XCAR (rest));
|
|
|
1719 Lisp_Object sub_inst_list = Qnil;
|
|
434
|
1720 Lisp_Object instantiator;
|
|
428
|
1721 struct gcpro ngcpro1, ngcpro2;
|
|
|
1722
|
|
434
|
1723 if (HAS_SPECMETH_P (sp, copy_instantiator))
|
|
|
1724 instantiator = SPECMETH (sp, copy_instantiator,
|
|
|
1725 (XCDR (XCAR (rest))));
|
|
|
1726 else
|
|
|
1727 instantiator = Fcopy_tree (XCDR (XCAR (rest)), Qt);
|
|
|
1728
|
|
428
|
1729 NGCPRO2 (instantiator, sub_inst_list);
|
|
|
1730 /* call the will-add method; it may GC */
|
|
|
1731 sub_inst_list = HAS_SPECMETH_P (sp, going_to_add) ?
|
|
|
1732 SPECMETH (sp, going_to_add,
|
|
|
1733 (bodily_specifier (specifier), locale,
|
|
|
1734 tag_set, instantiator)) :
|
|
|
1735 Qt;
|
|
|
1736 if (EQ (sub_inst_list, Qt))
|
|
|
1737 /* no change here. */
|
|
|
1738 sub_inst_list = list1 (Fcons (canonicalize_tag_set (tag_set),
|
|
|
1739 instantiator));
|
|
|
1740 else
|
|
|
1741 {
|
|
|
1742 /* now canonicalize all the tag sets in the new objects */
|
|
|
1743 Lisp_Object rest2;
|
|
|
1744 LIST_LOOP (rest2, sub_inst_list)
|
|
|
1745 XCAR (XCAR (rest2)) = canonicalize_tag_set (XCAR (XCAR (rest2)));
|
|
|
1746 }
|
|
|
1747
|
|
|
1748 list_to_build_up = nconc2 (sub_inst_list, list_to_build_up);
|
|
|
1749 NUNGCPRO;
|
|
|
1750 }
|
|
|
1751
|
|
|
1752 RETURN_UNGCPRO (Fnreverse (list_to_build_up));
|
|
|
1753 }
|
|
|
1754
|
|
|
1755 /* Add a specification (locale and instantiator list) to a specifier.
|
|
|
1756 ADD_METH specifies what to do with existing specifications in the
|
|
|
1757 specifier, and is an enum that corresponds to the values in
|
|
|
1758 `add-spec-to-specifier'. The calling routine is responsible for
|
|
|
1759 validating LOCALE and INST-LIST, but the tag-sets in INST-LIST
|
|
|
1760 do not need to be canonicalized. */
|
|
|
1761
|
|
|
1762 /* #### I really need to rethink the after-change
|
|
|
1763 functions to make them easier to use and more efficient. */
|
|
|
1764
|
|
|
1765 static void
|
|
|
1766 specifier_add_spec (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1767 Lisp_Object inst_list, enum spec_add_meth add_meth)
|
|
|
1768 {
|
|
440
|
1769 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
1770 enum spec_locale_type type = locale_type_from_locale (locale);
|
|
|
1771 Lisp_Object *orig_inst_list, tem;
|
|
|
1772 Lisp_Object list_to_build_up = Qnil;
|
|
|
1773 struct gcpro gcpro1;
|
|
|
1774
|
|
1015
|
1775 if (NILP (inst_list))
|
|
|
1776 return;
|
|
|
1777
|
|
428
|
1778 GCPRO1 (list_to_build_up);
|
|
|
1779 list_to_build_up = build_up_processed_list (specifier, locale, inst_list);
|
|
|
1780 /* Now handle REMOVE_LOCALE_TYPE and REMOVE_ALL. These are the
|
|
|
1781 add-meth types that affect locales other than this one. */
|
|
|
1782 if (add_meth == SPEC_REMOVE_LOCALE_TYPE)
|
|
|
1783 specifier_remove_locale_type (specifier, type, Qnil, 0);
|
|
|
1784 else if (add_meth == SPEC_REMOVE_ALL)
|
|
|
1785 {
|
|
|
1786 specifier_remove_locale_type (specifier, LOCALE_BUFFER, Qnil, 0);
|
|
|
1787 specifier_remove_locale_type (specifier, LOCALE_WINDOW, Qnil, 0);
|
|
|
1788 specifier_remove_locale_type (specifier, LOCALE_FRAME, Qnil, 0);
|
|
|
1789 specifier_remove_locale_type (specifier, LOCALE_DEVICE, Qnil, 0);
|
|
|
1790 specifier_remove_spec (specifier, Qglobal, LOCALE_GLOBAL, Qnil, 0);
|
|
|
1791 }
|
|
|
1792
|
|
|
1793 orig_inst_list = specifier_get_inst_list (specifier, locale, type);
|
|
|
1794 if (!orig_inst_list)
|
|
|
1795 orig_inst_list = specifier_new_spec (specifier, locale, type);
|
|
|
1796 add_meth = handle_multiple_add_insts (orig_inst_list, list_to_build_up,
|
|
|
1797 add_meth);
|
|
|
1798
|
|
|
1799 if (add_meth == SPEC_PREPEND)
|
|
|
1800 tem = nconc2 (list_to_build_up, *orig_inst_list);
|
|
|
1801 else if (add_meth == SPEC_APPEND)
|
|
|
1802 tem = nconc2 (*orig_inst_list, list_to_build_up);
|
|
|
1803 else
|
|
442
|
1804 {
|
|
2500
|
1805 ABORT ();
|
|
442
|
1806 tem = Qnil;
|
|
|
1807 }
|
|
428
|
1808
|
|
|
1809 *orig_inst_list = tem;
|
|
|
1810
|
|
|
1811 UNGCPRO;
|
|
|
1812
|
|
|
1813 /* call the after-change method */
|
|
|
1814 MAYBE_SPECMETH (sp, after_change,
|
|
|
1815 (bodily_specifier (specifier), locale));
|
|
|
1816 }
|
|
|
1817
|
|
|
1818 static void
|
|
|
1819 specifier_copy_spec (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1820 Lisp_Object locale, enum spec_locale_type type,
|
|
|
1821 Lisp_Object tag_set, int exact_p,
|
|
|
1822 enum spec_add_meth add_meth)
|
|
|
1823 {
|
|
|
1824 Lisp_Object inst_list =
|
|
|
1825 specifier_get_external_inst_list (specifier, locale, type, tag_set,
|
|
|
1826 exact_p, 0, 0);
|
|
|
1827 specifier_add_spec (dest, locale, inst_list, add_meth);
|
|
|
1828 }
|
|
|
1829
|
|
|
1830 static void
|
|
|
1831 specifier_copy_locale_type (Lisp_Object specifier, Lisp_Object dest,
|
|
|
1832 enum spec_locale_type type,
|
|
|
1833 Lisp_Object tag_set, int exact_p,
|
|
|
1834 enum spec_add_meth add_meth)
|
|
|
1835 {
|
|
|
1836 Lisp_Object *src_list = SPECIFIER_GET_SPEC_LIST (specifier, type);
|
|
|
1837 Lisp_Object rest;
|
|
|
1838
|
|
|
1839 /* This algorithm is O(n^2) in running time.
|
|
|
1840 It's certainly possible to implement an O(n log n) algorithm,
|
|
|
1841 but I doubt there's any need to. */
|
|
|
1842
|
|
|
1843 LIST_LOOP (rest, *src_list)
|
|
|
1844 {
|
|
|
1845 Lisp_Object spec = XCAR (rest);
|
|
|
1846 /* There may be dead objects floating around */
|
|
|
1847 /* remember, dead windows can become alive again. */
|
|
|
1848 if (WINDOWP (XCAR (spec)) || !object_dead_p (XCAR (spec)))
|
|
|
1849 specifier_add_spec
|
|
|
1850 (dest, XCAR (spec),
|
|
|
1851 specifier_process_inst_list (XCDR (spec), tag_set, exact_p, 0, 0),
|
|
|
1852 add_meth);
|
|
|
1853 }
|
|
|
1854 }
|
|
|
1855
|
|
|
1856 /* map MAPFUN over the locales in SPECIFIER that are given in LOCALE.
|
|
|
1857 CLOSURE is passed unchanged to MAPFUN. LOCALE can be one of
|
|
|
1858
|
|
2953
|
1859 -- nil (same as `all')
|
|
|
1860 -- a single locale, locale type, or `all'
|
|
|
1861 -- a list of locales, locale types, and/or `all'
|
|
|
1862
|
|
|
1863 MAPFUN is called for each locale and locale type given; for `all',
|
|
|
1864 it is called for the locale `global' and for the four possible
|
|
428
|
1865 locale types. In each invocation, either LOCALE will be a locale
|
|
|
1866 and LOCALE_TYPE will be the locale type of this locale,
|
|
|
1867 or LOCALE will be nil and LOCALE_TYPE will be a locale type.
|
|
|
1868 If MAPFUN ever returns non-zero, the mapping is halted and the
|
|
|
1869 value returned is returned from map_specifier(). Otherwise, the
|
|
|
1870 mapping proceeds to the end and map_specifier() returns 0.
|
|
|
1871 */
|
|
|
1872
|
|
|
1873 static int
|
|
|
1874 map_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
1875 int (*mapfun) (Lisp_Object specifier,
|
|
|
1876 Lisp_Object locale,
|
|
|
1877 enum spec_locale_type locale_type,
|
|
|
1878 Lisp_Object tag_set,
|
|
|
1879 int exact_p,
|
|
|
1880 void *closure),
|
|
|
1881 Lisp_Object tag_set, Lisp_Object exact_p,
|
|
|
1882 void *closure)
|
|
|
1883 {
|
|
|
1884 int retval = 0;
|
|
|
1885 Lisp_Object rest;
|
|
|
1886 struct gcpro gcpro1, gcpro2;
|
|
|
1887
|
|
|
1888 GCPRO2 (tag_set, locale);
|
|
|
1889 locale = decode_locale_list (locale);
|
|
|
1890 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1891 tag_set = canonicalize_tag_set (tag_set);
|
|
|
1892
|
|
|
1893 LIST_LOOP (rest, locale)
|
|
|
1894 {
|
|
|
1895 Lisp_Object theloc = XCAR (rest);
|
|
|
1896 if (!NILP (Fvalid_specifier_locale_p (theloc)))
|
|
|
1897 {
|
|
|
1898 retval = (*mapfun) (specifier, theloc,
|
|
|
1899 locale_type_from_locale (theloc),
|
|
|
1900 tag_set, !NILP (exact_p), closure);
|
|
|
1901 if (retval)
|
|
|
1902 break;
|
|
|
1903 }
|
|
|
1904 else if (!NILP (Fvalid_specifier_locale_type_p (theloc)))
|
|
|
1905 {
|
|
|
1906 retval = (*mapfun) (specifier, Qnil,
|
|
|
1907 decode_locale_type (theloc), tag_set,
|
|
|
1908 !NILP (exact_p), closure);
|
|
|
1909 if (retval)
|
|
|
1910 break;
|
|
|
1911 }
|
|
|
1912 else
|
|
|
1913 {
|
|
|
1914 assert (EQ (theloc, Qall));
|
|
|
1915 retval = (*mapfun) (specifier, Qnil, LOCALE_BUFFER, tag_set,
|
|
|
1916 !NILP (exact_p), closure);
|
|
|
1917 if (retval)
|
|
|
1918 break;
|
|
|
1919 retval = (*mapfun) (specifier, Qnil, LOCALE_WINDOW, tag_set,
|
|
|
1920 !NILP (exact_p), closure);
|
|
|
1921 if (retval)
|
|
|
1922 break;
|
|
|
1923 retval = (*mapfun) (specifier, Qnil, LOCALE_FRAME, tag_set,
|
|
|
1924 !NILP (exact_p), closure);
|
|
|
1925 if (retval)
|
|
|
1926 break;
|
|
|
1927 retval = (*mapfun) (specifier, Qnil, LOCALE_DEVICE, tag_set,
|
|
|
1928 !NILP (exact_p), closure);
|
|
|
1929 if (retval)
|
|
|
1930 break;
|
|
|
1931 retval = (*mapfun) (specifier, Qglobal, LOCALE_GLOBAL, tag_set,
|
|
|
1932 !NILP (exact_p), closure);
|
|
|
1933 if (retval)
|
|
|
1934 break;
|
|
|
1935 }
|
|
|
1936 }
|
|
|
1937
|
|
|
1938 UNGCPRO;
|
|
|
1939 return retval;
|
|
|
1940 }
|
|
|
1941
|
|
|
1942 DEFUN ("add-spec-to-specifier", Fadd_spec_to_specifier, 2, 5, 0, /*
|
|
|
1943 Add a specification to SPECIFIER.
|
|
|
1944 The specification maps from LOCALE (which should be a window, buffer,
|
|
2953
|
1945 frame, device, or `global', and defaults to `global') to INSTANTIATOR,
|
|
428
|
1946 whose allowed values depend on the type of the specifier. Optional
|
|
|
1947 argument TAG-SET limits the instantiator to apply only to the specified
|
|
|
1948 tag set, which should be a list of tags all of which must match the
|
|
|
1949 device being instantiated over (tags are a device type, a device class,
|
|
|
1950 or tags defined with `define-specifier-tag'). Specifying a single
|
|
|
1951 symbol for TAG-SET is equivalent to specifying a one-element list
|
|
|
1952 containing that symbol. Optional argument HOW-TO-ADD specifies what to
|
|
|
1953 do if there are already specifications in the specifier.
|
|
|
1954 It should be one of
|
|
|
1955
|
|
2953
|
1956 `prepend' Put at the beginning of the current list of
|
|
428
|
1957 instantiators for LOCALE.
|
|
2953
|
1958 `append' Add to the end of the current list of
|
|
428
|
1959 instantiators for LOCALE.
|
|
2953
|
1960 `remove-tag-set-prepend' (this is the default)
|
|
428
|
1961 Remove any existing instantiators whose tag set is
|
|
|
1962 the same as TAG-SET; then put the new instantiator
|
|
|
1963 at the beginning of the current list. ("Same tag
|
|
|
1964 set" means that they contain the same elements.
|
|
|
1965 The order may be different.)
|
|
2953
|
1966 `remove-tag-set-append'
|
|
428
|
1967 Remove any existing instantiators whose tag set is
|
|
|
1968 the same as TAG-SET; then put the new instantiator
|
|
|
1969 at the end of the current list.
|
|
2953
|
1970 `remove-locale' Remove all previous instantiators for this locale
|
|
428
|
1971 before adding the new spec.
|
|
2953
|
1972 `remove-locale-type' Remove all specifications for all locales of the
|
|
428
|
1973 same type as LOCALE (this includes LOCALE itself)
|
|
|
1974 before adding the new spec.
|
|
2953
|
1975 `remove-all' Remove all specifications from the specifier
|
|
428
|
1976 before adding the new spec.
|
|
|
1977
|
|
|
1978 You can retrieve the specifications for a particular locale or locale type
|
|
|
1979 with the function `specifier-spec-list' or `specifier-specs'.
|
|
|
1980 */
|
|
|
1981 (specifier, instantiator, locale, tag_set, how_to_add))
|
|
|
1982 {
|
|
|
1983 enum spec_add_meth add_meth;
|
|
|
1984 Lisp_Object inst_list;
|
|
|
1985 struct gcpro gcpro1;
|
|
|
1986
|
|
|
1987 CHECK_SPECIFIER (specifier);
|
|
|
1988 check_modifiable_specifier (specifier);
|
|
|
1989
|
|
|
1990 locale = decode_locale (locale);
|
|
|
1991 check_valid_instantiator (instantiator,
|
|
|
1992 decode_specifier_type
|
|
|
1993 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
1994 ERROR_ME);
|
|
|
1995 /* tag_set might be newly-created material, but it's part of inst_list
|
|
|
1996 so is properly GC-protected. */
|
|
|
1997 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1998 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
1999
|
|
|
2000 inst_list = list1 (Fcons (tag_set, instantiator));
|
|
|
2001 GCPRO1 (inst_list);
|
|
|
2002 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
|
2003 recompute_cached_specifier_everywhere (specifier);
|
|
|
2004 RETURN_UNGCPRO (Qnil);
|
|
|
2005 }
|
|
|
2006
|
|
|
2007 DEFUN ("add-spec-list-to-specifier", Fadd_spec_list_to_specifier, 2, 3, 0, /*
|
|
444
|
2008 Add SPEC-LIST (a list of specifications) to SPECIFIER.
|
|
|
2009 The format of SPEC-LIST is
|
|
428
|
2010
|
|
|
2011 ((LOCALE (TAG-SET . INSTANTIATOR) ...) ...)
|
|
|
2012
|
|
|
2013 where
|
|
2953
|
2014 LOCALE := a window, a buffer, a frame, a device, or `global'
|
|
428
|
2015 TAG-SET := an unordered list of zero or more TAGS, each of which
|
|
|
2016 is a symbol
|
|
|
2017 TAG := a device class (see `valid-device-class-p'), a device type
|
|
|
2018 (see `valid-console-type-p'), or a tag defined with
|
|
|
2019 `define-specifier-tag'
|
|
|
2020 INSTANTIATOR := format determined by the type of specifier
|
|
|
2021
|
|
|
2022 The pair (TAG-SET . INSTANTIATOR) is called an `inst-pair'.
|
|
|
2023 A list of inst-pairs is called an `inst-list'.
|
|
|
2024 The pair (LOCALE . INST-LIST) is called a `specification' or `spec'.
|
|
|
2025 A spec-list, then, can be viewed as a list of specifications.
|
|
|
2026
|
|
|
2027 HOW-TO-ADD specifies how to combine the new specifications with
|
|
|
2028 the existing ones, and has the same semantics as for
|
|
|
2029 `add-spec-to-specifier'.
|
|
|
2030
|
|
|
2031 In many circumstances, the higher-level function `set-specifier' is
|
|
|
2032 more convenient and should be used instead.
|
|
|
2033 */
|
|
|
2034 (specifier, spec_list, how_to_add))
|
|
|
2035 {
|
|
|
2036 enum spec_add_meth add_meth;
|
|
|
2037 Lisp_Object rest;
|
|
|
2038
|
|
|
2039 CHECK_SPECIFIER (specifier);
|
|
|
2040 check_modifiable_specifier (specifier);
|
|
|
2041
|
|
|
2042 check_valid_spec_list (spec_list,
|
|
|
2043 decode_specifier_type
|
|
|
2044 (Fspecifier_type (specifier), ERROR_ME),
|
|
|
2045 ERROR_ME);
|
|
|
2046 add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
2047
|
|
|
2048 LIST_LOOP (rest, spec_list)
|
|
|
2049 {
|
|
|
2050 /* Placating the GCC god. */
|
|
|
2051 Lisp_Object specification = XCAR (rest);
|
|
|
2052 Lisp_Object locale = XCAR (specification);
|
|
|
2053 Lisp_Object inst_list = XCDR (specification);
|
|
|
2054
|
|
|
2055 specifier_add_spec (specifier, locale, inst_list, add_meth);
|
|
|
2056 }
|
|
|
2057 recompute_cached_specifier_everywhere (specifier);
|
|
|
2058 return Qnil;
|
|
|
2059 }
|
|
|
2060
|
|
|
2061 void
|
|
|
2062 add_spec_to_ghost_specifier (Lisp_Object specifier, Lisp_Object instantiator,
|
|
|
2063 Lisp_Object locale, Lisp_Object tag_set,
|
|
|
2064 Lisp_Object how_to_add)
|
|
|
2065 {
|
|
|
2066 int depth = unlock_ghost_specifiers_protected ();
|
|
|
2067 Fadd_spec_to_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
2068 instantiator, locale, tag_set, how_to_add);
|
|
771
|
2069 unbind_to (depth);
|
|
428
|
2070 }
|
|
|
2071
|
|
|
2072 struct specifier_spec_list_closure
|
|
|
2073 {
|
|
|
2074 Lisp_Object head, tail;
|
|
|
2075 };
|
|
|
2076
|
|
|
2077 static int
|
|
|
2078 specifier_spec_list_mapfun (Lisp_Object specifier,
|
|
|
2079 Lisp_Object locale,
|
|
|
2080 enum spec_locale_type locale_type,
|
|
|
2081 Lisp_Object tag_set,
|
|
|
2082 int exact_p,
|
|
|
2083 void *closure)
|
|
|
2084 {
|
|
|
2085 struct specifier_spec_list_closure *cl =
|
|
|
2086 (struct specifier_spec_list_closure *) closure;
|
|
|
2087 Lisp_Object partial;
|
|
|
2088
|
|
|
2089 if (NILP (locale))
|
|
|
2090 partial = specifier_get_external_spec_list (specifier,
|
|
|
2091 locale_type,
|
|
|
2092 tag_set, exact_p);
|
|
|
2093 else
|
|
|
2094 {
|
|
|
2095 partial = specifier_get_external_inst_list (specifier, locale,
|
|
|
2096 locale_type, tag_set,
|
|
|
2097 exact_p, 0, 1);
|
|
|
2098 if (!NILP (partial))
|
|
|
2099 partial = list1 (Fcons (locale, partial));
|
|
|
2100 }
|
|
|
2101 if (NILP (partial))
|
|
|
2102 return 0;
|
|
|
2103
|
|
|
2104 /* tack on the new list */
|
|
|
2105 if (NILP (cl->tail))
|
|
|
2106 cl->head = cl->tail = partial;
|
|
|
2107 else
|
|
|
2108 XCDR (cl->tail) = partial;
|
|
|
2109 /* find the new tail */
|
|
|
2110 while (CONSP (XCDR (cl->tail)))
|
|
|
2111 cl->tail = XCDR (cl->tail);
|
|
|
2112 return 0;
|
|
|
2113 }
|
|
|
2114
|
|
|
2115 /* For the given SPECIFIER create and return a list of all specs
|
|
|
2116 contained within it, subject to LOCALE. If LOCALE is a locale, only
|
|
|
2117 specs in that locale will be returned. If LOCALE is a locale type,
|
|
|
2118 all specs in all locales of that type will be returned. If LOCALE is
|
|
|
2119 nil, all specs will be returned. This always copies lists and never
|
|
|
2120 returns the actual lists, because we do not want someone manipulating
|
|
|
2121 the actual objects. This may cause a slight loss of potential
|
|
|
2122 functionality but if we were to allow it then a user could manage to
|
|
|
2123 violate our assertion that the specs contained in the actual
|
|
|
2124 specifier lists are all valid. */
|
|
|
2125
|
|
|
2126 DEFUN ("specifier-spec-list", Fspecifier_spec_list, 1, 4, 0, /*
|
|
|
2127 Return the spec-list of specifications for SPECIFIER in LOCALE.
|
|
|
2128
|
|
|
2129 If LOCALE is a particular locale (a buffer, window, frame, device,
|
|
2953
|
2130 or `global'), a spec-list consisting of the specification for that
|
|
428
|
2131 locale will be returned.
|
|
|
2132
|
|
2953
|
2133 If LOCALE is a locale type (i.e. `buffer', `window', `frame', or `device'),
|
|
428
|
2134 a spec-list of the specifications for all locales of that type will be
|
|
|
2135 returned.
|
|
|
2136
|
|
2953
|
2137 If LOCALE is nil or `all', a spec-list of all specifications in SPECIFIER
|
|
428
|
2138 will be returned.
|
|
|
2139
|
|
2953
|
2140 LOCALE can also be a list of locales, locale types, and/or `all'; the
|
|
428
|
2141 result is as if `specifier-spec-list' were called on each element of the
|
|
|
2142 list and the results concatenated together.
|
|
|
2143
|
|
|
2144 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2145 subset of (or possibly equal to) the instantiator's tag set are returned.
|
|
|
2146 \(The default value of nil is a subset of all tag sets, so in this case
|
|
|
2147 no instantiators will be screened out.) If EXACT-P is non-nil, however,
|
|
|
2148 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2149 to be returned.
|
|
|
2150 */
|
|
|
2151 (specifier, locale, tag_set, exact_p))
|
|
|
2152 {
|
|
|
2153 struct specifier_spec_list_closure cl;
|
|
|
2154 struct gcpro gcpro1, gcpro2;
|
|
|
2155
|
|
|
2156 CHECK_SPECIFIER (specifier);
|
|
|
2157 cl.head = cl.tail = Qnil;
|
|
|
2158 GCPRO2 (cl.head, cl.tail);
|
|
|
2159 map_specifier (specifier, locale, specifier_spec_list_mapfun,
|
|
|
2160 tag_set, exact_p, &cl);
|
|
|
2161 UNGCPRO;
|
|
|
2162 return cl.head;
|
|
|
2163 }
|
|
|
2164
|
|
|
2165
|
|
|
2166 DEFUN ("specifier-specs", Fspecifier_specs, 1, 4, 0, /*
|
|
|
2167 Return the specification(s) for SPECIFIER in LOCALE.
|
|
|
2168
|
|
|
2169 If LOCALE is a single locale or is a list of one element containing a
|
|
|
2170 single locale, then a "short form" of the instantiators for that locale
|
|
|
2171 will be returned. Otherwise, this function is identical to
|
|
|
2172 `specifier-spec-list'.
|
|
|
2173
|
|
|
2174 The "short form" is designed for readability and not for ease of use
|
|
|
2175 in Lisp programs, and is as follows:
|
|
|
2176
|
|
|
2177 1. If there is only one instantiator, then an inst-pair (i.e. cons of
|
|
|
2178 tag and instantiator) will be returned; otherwise a list of
|
|
|
2179 inst-pairs will be returned.
|
|
2953
|
2180 2. For each inst-pair returned, if the instantiator's tag is `any',
|
|
428
|
2181 the tag will be removed and the instantiator itself will be returned
|
|
|
2182 instead of the inst-pair.
|
|
|
2183 3. If there is only one instantiator, its value is nil, and its tag is
|
|
2953
|
2184 `any', a one-element list containing nil will be returned rather
|
|
428
|
2185 than just nil, to distinguish this case from there being no
|
|
|
2186 instantiators at all.
|
|
|
2187 */
|
|
|
2188 (specifier, locale, tag_set, exact_p))
|
|
|
2189 {
|
|
|
2190 if (!NILP (Fvalid_specifier_locale_p (locale)) ||
|
|
|
2191 (CONSP (locale) && !NILP (Fvalid_specifier_locale_p (XCAR (locale))) &&
|
|
|
2192 NILP (XCDR (locale))))
|
|
|
2193 {
|
|
|
2194 struct gcpro gcpro1;
|
|
|
2195
|
|
|
2196 CHECK_SPECIFIER (specifier);
|
|
|
2197 if (CONSP (locale))
|
|
|
2198 locale = XCAR (locale);
|
|
|
2199 GCPRO1 (tag_set);
|
|
|
2200 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
2201 tag_set = canonicalize_tag_set (tag_set);
|
|
|
2202 RETURN_UNGCPRO
|
|
|
2203 (specifier_get_external_inst_list (specifier, locale,
|
|
|
2204 locale_type_from_locale (locale),
|
|
|
2205 tag_set, !NILP (exact_p), 1, 1));
|
|
|
2206 }
|
|
|
2207 else
|
|
|
2208 return Fspecifier_spec_list (specifier, locale, tag_set, exact_p);
|
|
|
2209 }
|
|
|
2210
|
|
|
2211 static int
|
|
|
2212 remove_specifier_mapfun (Lisp_Object specifier,
|
|
|
2213 Lisp_Object locale,
|
|
|
2214 enum spec_locale_type locale_type,
|
|
|
2215 Lisp_Object tag_set,
|
|
|
2216 int exact_p,
|
|
2286
|
2217 void *UNUSED (closure))
|
|
428
|
2218 {
|
|
|
2219 if (NILP (locale))
|
|
|
2220 specifier_remove_locale_type (specifier, locale_type, tag_set, exact_p);
|
|
|
2221 else
|
|
|
2222 specifier_remove_spec (specifier, locale, locale_type, tag_set, exact_p);
|
|
|
2223 return 0;
|
|
|
2224 }
|
|
|
2225
|
|
|
2226 DEFUN ("remove-specifier", Fremove_specifier, 1, 4, 0, /*
|
|
|
2227 Remove specification(s) for SPECIFIER.
|
|
|
2228
|
|
|
2229 If LOCALE is a particular locale (a window, buffer, frame, device,
|
|
2953
|
2230 or `global'), the specification for that locale will be removed.
|
|
|
2231
|
|
|
2232 If instead, LOCALE is a locale type (i.e. `window', `buffer', `frame',
|
|
|
2233 or `device'), the specifications for all locales of that type will be
|
|
428
|
2234 removed.
|
|
|
2235
|
|
2953
|
2236 If LOCALE is nil or `all', all specifications will be removed.
|
|
|
2237
|
|
|
2238 LOCALE can also be a list of locales, locale types, and/or `all'; this
|
|
428
|
2239 is equivalent to calling `remove-specifier' for each of the elements
|
|
|
2240 in the list.
|
|
|
2241
|
|
|
2242 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2243 subset of (or possibly equal to) the instantiator's tag set are removed.
|
|
|
2244 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2245 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
|
2246 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2247 to be removed.
|
|
|
2248 */
|
|
|
2249 (specifier, locale, tag_set, exact_p))
|
|
|
2250 {
|
|
|
2251 CHECK_SPECIFIER (specifier);
|
|
|
2252 check_modifiable_specifier (specifier);
|
|
|
2253
|
|
|
2254 map_specifier (specifier, locale, remove_specifier_mapfun,
|
|
|
2255 tag_set, exact_p, 0);
|
|
|
2256 recompute_cached_specifier_everywhere (specifier);
|
|
|
2257 return Qnil;
|
|
|
2258 }
|
|
|
2259
|
|
|
2260 void
|
|
|
2261 remove_ghost_specifier (Lisp_Object specifier, Lisp_Object locale,
|
|
|
2262 Lisp_Object tag_set, Lisp_Object exact_p)
|
|
|
2263 {
|
|
|
2264 int depth = unlock_ghost_specifiers_protected ();
|
|
|
2265 Fremove_specifier (XSPECIFIER(specifier)->fallback,
|
|
|
2266 locale, tag_set, exact_p);
|
|
771
|
2267 unbind_to (depth);
|
|
428
|
2268 }
|
|
|
2269
|
|
|
2270 struct copy_specifier_closure
|
|
|
2271 {
|
|
|
2272 Lisp_Object dest;
|
|
|
2273 enum spec_add_meth add_meth;
|
|
|
2274 int add_meth_is_nil;
|
|
|
2275 };
|
|
|
2276
|
|
|
2277 static int
|
|
|
2278 copy_specifier_mapfun (Lisp_Object specifier,
|
|
|
2279 Lisp_Object locale,
|
|
|
2280 enum spec_locale_type locale_type,
|
|
|
2281 Lisp_Object tag_set,
|
|
|
2282 int exact_p,
|
|
|
2283 void *closure)
|
|
|
2284 {
|
|
|
2285 struct copy_specifier_closure *cl =
|
|
|
2286 (struct copy_specifier_closure *) closure;
|
|
|
2287
|
|
|
2288 if (NILP (locale))
|
|
|
2289 specifier_copy_locale_type (specifier, cl->dest, locale_type,
|
|
|
2290 tag_set, exact_p,
|
|
|
2291 cl->add_meth_is_nil ?
|
|
|
2292 SPEC_REMOVE_LOCALE_TYPE :
|
|
|
2293 cl->add_meth);
|
|
|
2294 else
|
|
|
2295 specifier_copy_spec (specifier, cl->dest, locale, locale_type,
|
|
|
2296 tag_set, exact_p,
|
|
|
2297 cl->add_meth_is_nil ? SPEC_REMOVE_LOCALE :
|
|
|
2298 cl->add_meth);
|
|
|
2299 return 0;
|
|
|
2300 }
|
|
|
2301
|
|
|
2302 DEFUN ("copy-specifier", Fcopy_specifier, 1, 6, 0, /*
|
|
|
2303 Copy SPECIFIER to DEST, or create a new one if DEST is nil.
|
|
|
2304
|
|
|
2305 If DEST is nil or omitted, a new specifier will be created and the
|
|
|
2306 specifications copied into it. Otherwise, the specifications will be
|
|
|
2307 copied into the existing specifier in DEST.
|
|
|
2308
|
|
2953
|
2309 If LOCALE is nil or `all', all specifications will be copied. If LOCALE
|
|
428
|
2310 is a particular locale, the specification for that particular locale will
|
|
|
2311 be copied. If LOCALE is a locale type, the specifications for all locales
|
|
|
2312 of that type will be copied. LOCALE can also be a list of locales,
|
|
2953
|
2313 locale types, and/or `all'; this is equivalent to calling `copy-specifier'
|
|
428
|
2314 for each of the elements of the list. See `specifier-spec-list' for more
|
|
|
2315 information about LOCALE.
|
|
|
2316
|
|
|
2317 Only instantiators where TAG-SET (a list of zero or more tags) is a
|
|
|
2318 subset of (or possibly equal to) the instantiator's tag set are copied.
|
|
|
2319 The default value of nil is a subset of all tag sets, so in this case
|
|
|
2320 no instantiators will be screened out. If EXACT-P is non-nil, however,
|
|
|
2321 TAG-SET must be equal to an instantiator's tag set for the instantiator
|
|
|
2322 to be copied.
|
|
|
2323
|
|
|
2324 Optional argument HOW-TO-ADD specifies what to do with existing
|
|
|
2325 specifications in DEST. If nil, then whichever locales or locale types
|
|
|
2326 are copied will first be completely erased in DEST. Otherwise, it is
|
|
|
2327 the same as in `add-spec-to-specifier'.
|
|
|
2328 */
|
|
|
2329 (specifier, dest, locale, tag_set, exact_p, how_to_add))
|
|
|
2330 {
|
|
|
2331 struct gcpro gcpro1;
|
|
|
2332 struct copy_specifier_closure cl;
|
|
|
2333
|
|
|
2334 CHECK_SPECIFIER (specifier);
|
|
|
2335 if (NILP (how_to_add))
|
|
|
2336 cl.add_meth_is_nil = 1;
|
|
|
2337 else
|
|
|
2338 cl.add_meth_is_nil = 0;
|
|
|
2339 cl.add_meth = decode_how_to_add_specification (how_to_add);
|
|
|
2340 if (NILP (dest))
|
|
|
2341 {
|
|
|
2342 /* #### What about copying the extra data? */
|
|
|
2343 dest = make_specifier (XSPECIFIER (specifier)->methods);
|
|
|
2344 }
|
|
|
2345 else
|
|
|
2346 {
|
|
|
2347 CHECK_SPECIFIER (dest);
|
|
|
2348 check_modifiable_specifier (dest);
|
|
|
2349 if (XSPECIFIER (dest)->methods != XSPECIFIER (specifier)->methods)
|
|
563
|
2350 invalid_argument ("Specifiers not of same type", Qunbound);
|
|
428
|
2351 }
|
|
|
2352
|
|
|
2353 cl.dest = dest;
|
|
|
2354 GCPRO1 (dest);
|
|
|
2355 map_specifier (specifier, locale, copy_specifier_mapfun,
|
|
|
2356 tag_set, exact_p, &cl);
|
|
|
2357 UNGCPRO;
|
|
|
2358 recompute_cached_specifier_everywhere (dest);
|
|
|
2359 return dest;
|
|
|
2360 }
|
|
|
2361
|
|
|
2362
|
|
|
2363 /************************************************************************/
|
|
2953
|
2364 /* Instantiation */
|
|
428
|
2365 /************************************************************************/
|
|
|
2366
|
|
|
2367 static Lisp_Object
|
|
|
2368 call_validate_matchspec_method (Lisp_Object boxed_method,
|
|
|
2369 Lisp_Object matchspec)
|
|
|
2370 {
|
|
|
2371 ((void (*)(Lisp_Object)) get_opaque_ptr (boxed_method)) (matchspec);
|
|
|
2372 return Qt;
|
|
|
2373 }
|
|
|
2374
|
|
|
2375 static Lisp_Object
|
|
|
2376 check_valid_specifier_matchspec (Lisp_Object matchspec,
|
|
|
2377 struct specifier_methods *meths,
|
|
578
|
2378 Error_Behavior errb)
|
|
428
|
2379 {
|
|
|
2380 if (meths->validate_matchspec_method)
|
|
|
2381 {
|
|
|
2382 Lisp_Object retval;
|
|
|
2383
|
|
|
2384 if (ERRB_EQ (errb, ERROR_ME))
|
|
|
2385 {
|
|
|
2386 (meths->validate_matchspec_method) (matchspec);
|
|
|
2387 retval = Qt;
|
|
|
2388 }
|
|
|
2389 else
|
|
|
2390 {
|
|
|
2391 Lisp_Object opaque =
|
|
|
2392 make_opaque_ptr ((void *) meths->validate_matchspec_method);
|
|
|
2393 struct gcpro gcpro1;
|
|
|
2394
|
|
|
2395 GCPRO1 (opaque);
|
|
|
2396 retval = call_with_suspended_errors
|
|
|
2397 ((lisp_fn_t) call_validate_matchspec_method,
|
|
|
2398 Qnil, Qspecifier, errb, 2, opaque, matchspec);
|
|
|
2399
|
|
|
2400 free_opaque_ptr (opaque);
|
|
|
2401 UNGCPRO;
|
|
|
2402 }
|
|
|
2403
|
|
|
2404 return retval;
|
|
|
2405 }
|
|
|
2406 else
|
|
|
2407 {
|
|
563
|
2408 maybe_sferror
|
|
428
|
2409 ("Matchspecs not allowed for this specifier type",
|
|
|
2410 intern (meths->name), Qspecifier, errb);
|
|
|
2411 return Qnil;
|
|
|
2412 }
|
|
|
2413 }
|
|
|
2414
|
|
442
|
2415 DEFUN ("check-valid-specifier-matchspec", Fcheck_valid_specifier_matchspec, 2,
|
|
|
2416 2, 0, /*
|
|
428
|
2417 Signal an error if MATCHSPEC is invalid for SPECIFIER-TYPE.
|
|
|
2418 See `specifier-matching-instance' for a description of matchspecs.
|
|
|
2419 */
|
|
|
2420 (matchspec, specifier_type))
|
|
|
2421 {
|
|
|
2422 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2423 ERROR_ME);
|
|
|
2424
|
|
|
2425 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME);
|
|
|
2426 }
|
|
|
2427
|
|
|
2428 DEFUN ("valid-specifier-matchspec-p", Fvalid_specifier_matchspec_p, 2, 2, 0, /*
|
|
|
2429 Return non-nil if MATCHSPEC is valid for SPECIFIER-TYPE.
|
|
|
2430 See `specifier-matching-instance' for a description of matchspecs.
|
|
|
2431 */
|
|
|
2432 (matchspec, specifier_type))
|
|
|
2433 {
|
|
|
2434 struct specifier_methods *meths = decode_specifier_type (specifier_type,
|
|
|
2435 ERROR_ME);
|
|
|
2436
|
|
|
2437 return check_valid_specifier_matchspec (matchspec, meths, ERROR_ME_NOT);
|
|
|
2438 }
|
|
|
2439
|
|
|
2440 /* This function is purposely not callable from Lisp. If a Lisp
|
|
|
2441 caller wants to set a fallback, they should just set the
|
|
|
2442 global value. */
|
|
|
2443
|
|
|
2444 void
|
|
|
2445 set_specifier_fallback (Lisp_Object specifier, Lisp_Object fallback)
|
|
|
2446 {
|
|
440
|
2447 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
2448 assert (SPECIFIERP (fallback) ||
|
|
|
2449 !NILP (Fvalid_inst_list_p (fallback, Fspecifier_type (specifier))));
|
|
|
2450 if (SPECIFIERP (fallback))
|
|
|
2451 assert (EQ (Fspecifier_type (specifier), Fspecifier_type (fallback)));
|
|
|
2452 if (BODILY_SPECIFIER_P (sp))
|
|
|
2453 GHOST_SPECIFIER(sp)->fallback = fallback;
|
|
|
2454 else
|
|
|
2455 sp->fallback = fallback;
|
|
|
2456 /* call the after-change method */
|
|
|
2457 MAYBE_SPECMETH (sp, after_change,
|
|
|
2458 (bodily_specifier (specifier), Qfallback));
|
|
|
2459 recompute_cached_specifier_everywhere (specifier);
|
|
|
2460 }
|
|
|
2461
|
|
|
2462 DEFUN ("specifier-fallback", Fspecifier_fallback, 1, 1, 0, /*
|
|
|
2463 Return the fallback value for SPECIFIER.
|
|
|
2464 Fallback values are provided by the C code for certain built-in
|
|
2953
|
2465 specifiers to make sure that instantiation won't fail even if all
|
|
428
|
2466 specs are removed from the specifier, or to implement simple
|
|
|
2467 inheritance behavior (e.g. this method is used to ensure that
|
|
2953
|
2468 faces other than `default' inherit their attributes from `default').
|
|
428
|
2469 By design, you cannot change the fallback value, and specifiers
|
|
|
2470 created with `make-specifier' will never have a fallback (although
|
|
|
2471 a similar, Lisp-accessible capability may be provided in the future
|
|
|
2472 to allow for inheritance).
|
|
|
2473
|
|
2953
|
2474 The fallback value will be an inst-list that is instantiated like
|
|
428
|
2475 any other inst-list, a specifier of the same type as SPECIFIER
|
|
|
2476 \(results in inheritance), or nil for no fallback.
|
|
|
2477
|
|
2953
|
2478 When you instantiate a specifier, you can explicitly request that the
|
|
428
|
2479 fallback not be consulted. (The C code does this, for example, when
|
|
|
2480 merging faces.) See `specifier-instance'.
|
|
|
2481 */
|
|
|
2482 (specifier))
|
|
|
2483 {
|
|
|
2484 CHECK_SPECIFIER (specifier);
|
|
|
2485 return Fcopy_tree (XSPECIFIER (specifier)->fallback, Qt);
|
|
|
2486 }
|
|
|
2487
|
|
|
2488 static Lisp_Object
|
|
|
2489 specifier_instance_from_inst_list (Lisp_Object specifier,
|
|
|
2490 Lisp_Object matchspec,
|
|
|
2491 Lisp_Object domain,
|
|
|
2492 Lisp_Object inst_list,
|
|
578
|
2493 Error_Behavior errb, int no_quit,
|
|
2953
|
2494 Lisp_Object depth,
|
|
|
2495 Lisp_Object *instantiator)
|
|
428
|
2496 {
|
|
|
2497 /* This function can GC */
|
|
440
|
2498 Lisp_Specifier *sp;
|
|
428
|
2499 Lisp_Object device;
|
|
|
2500 Lisp_Object rest;
|
|
|
2501 int count = specpdl_depth ();
|
|
|
2502 struct gcpro gcpro1, gcpro2;
|
|
|
2503
|
|
|
2504 GCPRO2 (specifier, inst_list);
|
|
|
2505
|
|
|
2506 sp = XSPECIFIER (specifier);
|
|
442
|
2507 device = DOMAIN_DEVICE (domain);
|
|
428
|
2508
|
|
|
2509 if (no_quit)
|
|
|
2510 /* The instantiate method is allowed to call eval. Since it
|
|
|
2511 is quite common for this function to get called from somewhere in
|
|
|
2512 redisplay we need to make sure that quits are ignored. Otherwise
|
|
|
2513 Fsignal will abort. */
|
|
|
2514 specbind (Qinhibit_quit, Qt);
|
|
|
2515
|
|
|
2516 LIST_LOOP (rest, inst_list)
|
|
|
2517 {
|
|
|
2518 Lisp_Object tagged_inst = XCAR (rest);
|
|
|
2519 Lisp_Object tag_set = XCAR (tagged_inst);
|
|
|
2520
|
|
|
2521 if (device_matches_specifier_tag_set_p (device, tag_set))
|
|
|
2522 {
|
|
|
2523 Lisp_Object val = XCDR (tagged_inst);
|
|
2953
|
2524 Lisp_Object the_instantiator = val;
|
|
|
2525
|
|
428
|
2526
|
|
|
2527 if (HAS_SPECMETH_P (sp, instantiate))
|
|
|
2528 val = call_with_suspended_errors
|
|
|
2529 ((lisp_fn_t) RAW_SPECMETH (sp, instantiate),
|
|
|
2530 Qunbound, Qspecifier, errb, 5, specifier,
|
|
|
2531 matchspec, domain, val, depth);
|
|
|
2532
|
|
|
2533 if (!UNBOUNDP (val))
|
|
|
2534 {
|
|
771
|
2535 unbind_to (count);
|
|
428
|
2536 UNGCPRO;
|
|
2953
|
2537 if (instantiator)
|
|
|
2538 *instantiator = the_instantiator;
|
|
428
|
2539 return val;
|
|
|
2540 }
|
|
|
2541 }
|
|
|
2542 }
|
|
|
2543
|
|
771
|
2544 unbind_to (count);
|
|
428
|
2545 UNGCPRO;
|
|
|
2546 return Qunbound;
|
|
|
2547 }
|
|
|
2548
|
|
|
2549 /* Given a SPECIFIER and a DOMAIN, return a specific instance for that
|
|
|
2550 specifier. Try to find one by checking the specifier types from most
|
|
|
2551 specific (buffer) to most general (global). If we find an instance,
|
|
|
2552 return it. Otherwise return Qunbound. */
|
|
|
2553
|
|
|
2554 #define CHECK_INSTANCE_ENTRY(key, matchspec, type) do { \
|
|
|
2555 Lisp_Object *CIE_inst_list = \
|
|
|
2556 specifier_get_inst_list (specifier, key, type); \
|
|
|
2557 if (CIE_inst_list) \
|
|
|
2558 { \
|
|
|
2559 Lisp_Object CIE_val = \
|
|
|
2560 specifier_instance_from_inst_list (specifier, matchspec, \
|
|
|
2561 domain, *CIE_inst_list, \
|
|
2953
|
2562 errb, no_quit, depth, \
|
|
|
2563 instantiator); \
|
|
428
|
2564 if (!UNBOUNDP (CIE_val)) \
|
|
|
2565 return CIE_val; \
|
|
|
2566 } \
|
|
|
2567 } while (0)
|
|
|
2568
|
|
|
2569 /* We accept any window, frame or device domain and do our checking
|
|
|
2570 starting from as specific a locale type as we can determine from the
|
|
|
2571 domain we are passed and going on up through as many other locale types
|
|
|
2572 as we can determine. In practice, when called from redisplay the
|
|
|
2573 arg will usually be a window and occasionally a frame. If
|
|
|
2574 triggered by a user call, who knows what it will usually be. */
|
|
2953
|
2575
|
|
|
2576 static Lisp_Object
|
|
|
2577 specifier_instance_1 (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2578 Lisp_Object domain, Error_Behavior errb, int no_quit,
|
|
|
2579 int no_fallback, Lisp_Object depth,
|
|
|
2580 Lisp_Object *instantiator)
|
|
428
|
2581 {
|
|
|
2582 Lisp_Object buffer = Qnil;
|
|
|
2583 Lisp_Object window = Qnil;
|
|
|
2584 Lisp_Object frame = Qnil;
|
|
|
2585 Lisp_Object device = Qnil;
|
|
444
|
2586 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
2587
|
|
2953
|
2588 if (instantiator)
|
|
|
2589 *instantiator = Qunbound;
|
|
|
2590
|
|
428
|
2591 /* Attempt to determine buffer, window, frame, and device from the
|
|
|
2592 domain. */
|
|
442
|
2593 /* #### get image instances out of domains! */
|
|
|
2594 if (IMAGE_INSTANCEP (domain))
|
|
|
2595 window = DOMAIN_WINDOW (domain);
|
|
|
2596 else if (WINDOWP (domain))
|
|
428
|
2597 window = domain;
|
|
|
2598 else if (FRAMEP (domain))
|
|
|
2599 frame = domain;
|
|
|
2600 else if (DEVICEP (domain))
|
|
|
2601 device = domain;
|
|
|
2602 else
|
|
442
|
2603 /* dmoore writes: [dammit, this should just signal an error or something
|
|
|
2604 shouldn't it?]
|
|
|
2605
|
|
|
2606 No. Errors are handled in Lisp primitives implementation.
|
|
428
|
2607 Invalid domain is a design error here - kkm. */
|
|
2500
|
2608 ABORT ();
|
|
428
|
2609
|
|
|
2610 if (NILP (buffer) && !NILP (window))
|
|
444
|
2611 buffer = WINDOW_BUFFER (XWINDOW (window));
|
|
428
|
2612 if (NILP (frame) && !NILP (window))
|
|
|
2613 frame = XWINDOW (window)->frame;
|
|
|
2614 if (NILP (device))
|
|
|
2615 /* frame had better exist; if device is undeterminable, something
|
|
|
2616 really went wrong. */
|
|
444
|
2617 device = FRAME_DEVICE (XFRAME (frame));
|
|
428
|
2618
|
|
|
2619 /* device had better be determined by now; abort if not. */
|
|
2286
|
2620 (void) DEVICE_CLASS (XDEVICE (device));
|
|
428
|
2621
|
|
|
2622 depth = make_int (1 + XINT (depth));
|
|
|
2623 if (XINT (depth) > 20)
|
|
|
2624 {
|
|
563
|
2625 maybe_signal_error (Qstack_overflow,
|
|
|
2626 "Apparent loop in specifier inheritance",
|
|
|
2627 Qunbound, Qspecifier, errb);
|
|
428
|
2628 /* The specification is fucked; at least try the fallback
|
|
|
2629 (which better not be fucked, because it's not changeable
|
|
|
2630 from Lisp). */
|
|
|
2631 depth = Qzero;
|
|
|
2632 goto do_fallback;
|
|
|
2633 }
|
|
|
2634
|
|
434
|
2635 retry:
|
|
428
|
2636 /* First see if we can generate one from the window specifiers. */
|
|
|
2637 if (!NILP (window))
|
|
|
2638 CHECK_INSTANCE_ENTRY (window, matchspec, LOCALE_WINDOW);
|
|
|
2639
|
|
|
2640 /* Next see if we can generate one from the buffer specifiers. */
|
|
|
2641 if (!NILP (buffer))
|
|
|
2642 CHECK_INSTANCE_ENTRY (buffer, matchspec, LOCALE_BUFFER);
|
|
|
2643
|
|
|
2644 /* Next see if we can generate one from the frame specifiers. */
|
|
|
2645 if (!NILP (frame))
|
|
|
2646 CHECK_INSTANCE_ENTRY (frame, matchspec, LOCALE_FRAME);
|
|
|
2647
|
|
|
2648 /* If we still haven't succeeded try with the device specifiers. */
|
|
|
2649 CHECK_INSTANCE_ENTRY (device, matchspec, LOCALE_DEVICE);
|
|
|
2650
|
|
|
2651 /* Last and least try the global specifiers. */
|
|
|
2652 CHECK_INSTANCE_ENTRY (Qglobal, matchspec, LOCALE_GLOBAL);
|
|
|
2653
|
|
434
|
2654 do_fallback:
|
|
428
|
2655 /* We're out of specifiers and we still haven't generated an
|
|
|
2656 instance. At least try the fallback ... If this fails,
|
|
|
2657 then we just return Qunbound. */
|
|
|
2658
|
|
|
2659 if (no_fallback || NILP (sp->fallback))
|
|
|
2660 /* I said, I don't want the fallbacks. */
|
|
|
2661 return Qunbound;
|
|
|
2662
|
|
|
2663 if (SPECIFIERP (sp->fallback))
|
|
|
2664 {
|
|
|
2665 /* If you introduced loops in the default specifier chain,
|
|
|
2666 then you're fucked, so you better not do this. */
|
|
|
2667 specifier = sp->fallback;
|
|
|
2668 sp = XSPECIFIER (specifier);
|
|
|
2669 goto retry;
|
|
|
2670 }
|
|
|
2671
|
|
|
2672 assert (CONSP (sp->fallback));
|
|
|
2673 return specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2674 sp->fallback, errb, no_quit,
|
|
2953
|
2675 depth, instantiator);
|
|
428
|
2676 }
|
|
|
2677 #undef CHECK_INSTANCE_ENTRY
|
|
|
2678
|
|
|
2679 Lisp_Object
|
|
2953
|
2680 specifier_instance (Lisp_Object specifier, Lisp_Object matchspec,
|
|
|
2681 Lisp_Object domain, Error_Behavior errb, int no_quit,
|
|
|
2682 int no_fallback, Lisp_Object depth)
|
|
|
2683 {
|
|
|
2684 return specifier_instance_1 (specifier, matchspec, domain, errb,
|
|
|
2685 no_quit, no_fallback, depth, NULL);
|
|
|
2686 }
|
|
|
2687
|
|
|
2688 Lisp_Object
|
|
428
|
2689 specifier_instance_no_quit (Lisp_Object specifier, Lisp_Object matchspec,
|
|
578
|
2690 Lisp_Object domain, Error_Behavior errb,
|
|
428
|
2691 int no_fallback, Lisp_Object depth)
|
|
|
2692 {
|
|
2953
|
2693 return specifier_instance_1 (specifier, matchspec, domain, errb,
|
|
|
2694 1, no_fallback, depth, NULL);
|
|
|
2695 }
|
|
|
2696
|
|
|
2697 static Lisp_Object
|
|
|
2698 specifier_matching_foo (Lisp_Object specifier,
|
|
|
2699 Lisp_Object matchspec,
|
|
|
2700 Lisp_Object domain,
|
|
|
2701 Lisp_Object default_,
|
|
|
2702 Lisp_Object no_fallback,
|
|
|
2703 int want_instantiator)
|
|
|
2704 {
|
|
|
2705 Lisp_Object instance, instantiator;
|
|
|
2706
|
|
|
2707 CHECK_SPECIFIER (specifier);
|
|
|
2708 if (!UNBOUNDP (matchspec))
|
|
|
2709 check_valid_specifier_matchspec (matchspec,
|
|
|
2710 XSPECIFIER (specifier)->methods,
|
|
|
2711 ERROR_ME);
|
|
|
2712 domain = decode_domain (domain);
|
|
|
2713
|
|
|
2714 instance = specifier_instance_1 (specifier, matchspec, domain, ERROR_ME,
|
|
|
2715 0, !NILP (no_fallback), Qzero,
|
|
|
2716 &instantiator);
|
|
|
2717 return UNBOUNDP (instance) ? default_ : want_instantiator ? instantiator :
|
|
|
2718 instance;
|
|
428
|
2719 }
|
|
|
2720
|
|
|
2721 DEFUN ("specifier-instance", Fspecifier_instance, 1, 4, 0, /*
|
|
|
2722 Instantiate SPECIFIER (return its value) in DOMAIN.
|
|
|
2723 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2724
|
|
2953
|
2725 DOMAIN is nearly always a window (defaulting to the selected window if
|
|
|
2726 omitted), but can be a window, frame, or device. Other values that are legal
|
|
428
|
2727 as a locale (e.g. a buffer) are not valid as a domain because they do not
|
|
|
2728 provide enough information to identify a particular device (see
|
|
2953
|
2729 `valid-specifier-domain-p'). Window domains are used internally in nearly
|
|
|
2730 all circumstances when computing specifier instances of display properties.
|
|
|
2731 Frame domains are used in a few circumstances (such as when computing the
|
|
|
2732 geometry of a frame based on properties such as the toolbar widths), and
|
|
|
2733 device domains are rarely if ever used internally.
|
|
|
2734
|
|
|
2735 This function looks through the specifications in SPECIFIER that correspond
|
|
|
2736 to DOMAIN, from most specific (specifications for DOMAIN itself) to most
|
|
|
2737 general (global specifications), for matching instantiators, and attempts
|
|
|
2738 to compute an instance value for each instantiator found. The first
|
|
|
2739 successfully computed value is returned. The corresponding instantiator
|
|
|
2740 can be returned using `specifier-instantiator'.
|
|
|
2741
|
|
|
2742 A specifier is a generalized object for controlling the value of a property --
|
|
|
2743 typically, but not necessarily, a display-related property -- that can vary
|
|
|
2744 over particular buffers, frames, device types, etc.
|
|
|
2745
|
|
|
2746 A fundamental distinction must be made between the specification of a
|
|
|
2747 property's value, and the resulting value itself. This distinction is
|
|
|
2748 clearest in the case of an image -- the specification describes the source
|
|
|
2749 of the image (for example, a file of JPEG data), and the resulting value
|
|
|
2750 encapsulates a window-system object describing the image as displayed on a
|
|
|
2751 particular device (for example, a particular X display). The specification
|
|
|
2752 might also be an instruction of the form "use the background pixmap of the
|
|
|
2753 `modeline' face". A similar mapping exists between color strings and
|
|
|
2754 color-instance objects, and font strings and font-instance objects. In
|
|
|
2755 some cases, the specification and the resulting value are of the same type,
|
|
|
2756 but the distinction is still logically made.
|
|
|
2757
|
|
|
2758 The specification of a value is called an instantiator, and the resulting
|
|
|
2759 value the instance.
|
|
428
|
2760
|
|
|
2761 "Instantiating" a specifier in a particular domain means determining
|
|
|
2762 the specifier's "value" in that domain. This is accomplished by
|
|
|
2763 searching through the specifications in the specifier that correspond
|
|
|
2764 to all locales that can be derived from the given domain, from specific
|
|
|
2765 to general. In most cases, the domain is an Emacs window. In that case
|
|
|
2766 specifications are searched for as follows:
|
|
|
2767
|
|
|
2768 1. A specification whose locale is the window itself;
|
|
|
2769 2. A specification whose locale is the window's buffer;
|
|
|
2770 3. A specification whose locale is the window's frame;
|
|
|
2771 4. A specification whose locale is the window's frame's device;
|
|
2953
|
2772 5. A specification whose locale is `global'.
|
|
428
|
2773
|
|
|
2774 If all of those fail, then the C-code-provided fallback value for
|
|
|
2775 this specifier is consulted (see `specifier-fallback'). If it is
|
|
|
2776 an inst-list, then this function attempts to instantiate that list
|
|
|
2777 just as when a specification is located in the first five steps above.
|
|
|
2778 If the fallback is a specifier, `specifier-instance' is called
|
|
|
2779 recursively on this specifier and the return value used. Note,
|
|
|
2780 however, that if the optional argument NO-FALLBACK is non-nil,
|
|
|
2781 the fallback value will not be consulted.
|
|
|
2782
|
|
|
2783 Note that there may be more than one specification matching a particular
|
|
|
2784 locale; all such specifications are considered before looking for any
|
|
|
2785 specifications for more general locales. Any particular specification
|
|
|
2786 that is found may be rejected because its tag set does not match the
|
|
|
2787 device being instantiated over, or because the specification is not
|
|
|
2788 valid for the device of the given domain (e.g. the font or color name
|
|
|
2789 does not exist for this particular X server).
|
|
|
2790
|
|
793
|
2791 NOTE: When errors occur in the process of trying a particular instantiator,
|
|
|
2792 and the instantiator is thus skipped, warnings will be issued at level
|
|
|
2793 `debug'. Normally, such warnings are ignored entirely, but you can change
|
|
|
2794 this by setting `log-warning-minimum-level'. This is useful if you're
|
|
|
2795 trying to debug why particular instantiators are not being processed.
|
|
|
2796
|
|
428
|
2797 The returned value is dependent on the type of specifier. For example,
|
|
|
2798 for a font specifier (as returned by the `face-font' function), the returned
|
|
|
2799 value will be a font-instance object. For glyphs, the returned value
|
|
2953
|
2800 will be an image-instance object.
|
|
428
|
2801
|
|
|
2802 See also `specifier-matching-instance'.
|
|
|
2803 */
|
|
|
2804 (specifier, domain, default_, no_fallback))
|
|
|
2805 {
|
|
2953
|
2806 return specifier_matching_foo (specifier, Qunbound, domain, default_,
|
|
|
2807 no_fallback, 0);
|
|
|
2808 }
|
|
|
2809
|
|
|
2810 DEFUN ("specifier-instantiator", Fspecifier_instantiator, 1, 4, 0, /*
|
|
|
2811 Return instantiator that would be used to instantiate SPECIFIER in DOMAIN.
|
|
|
2812 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2813
|
|
|
2814 DOMAIN should be a window, frame, or device. Other values that are legal
|
|
|
2815 as a locale (e.g. a buffer) are not valid as a domain because they do not
|
|
|
2816 provide enough information to identify a particular device (see
|
|
|
2817 `valid-specifier-domain-p'). DOMAIN defaults to the selected window
|
|
|
2818 if omitted.
|
|
|
2819
|
|
|
2820 See `specifier-instance' for more information about the instantiation process.
|
|
|
2821 */
|
|
|
2822 (specifier, domain, default_, no_fallback))
|
|
|
2823 {
|
|
|
2824 return specifier_matching_foo (specifier, Qunbound, domain, default_,
|
|
|
2825 no_fallback, 1);
|
|
428
|
2826 }
|
|
|
2827
|
|
|
2828 DEFUN ("specifier-matching-instance", Fspecifier_matching_instance, 2, 5, 0, /*
|
|
|
2829 Return an instance for SPECIFIER in DOMAIN that matches MATCHSPEC.
|
|
|
2830 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2831
|
|
|
2832 This function is identical to `specifier-instance' except that a
|
|
|
2833 specification will only be considered if it matches MATCHSPEC.
|
|
|
2834 The definition of "match", and allowed values for MATCHSPEC, are
|
|
|
2835 dependent on the particular type of specifier. Here are some examples:
|
|
|
2836
|
|
|
2837 -- For chartable (e.g. display table) specifiers, MATCHSPEC should be a
|
|
|
2838 character, and the specification (a chartable) must give a value for
|
|
|
2839 that character in order to be considered. This allows you to specify,
|
|
|
2840 e.g., a buffer-local display table that only gives values for particular
|
|
|
2841 characters. All other characters are handled as if the buffer-local
|
|
|
2842 display table is not there. (Chartable specifiers are not yet
|
|
|
2843 implemented.)
|
|
|
2844
|
|
872
|
2845 -- For font specifiers, MATCHSPEC should be a list (CHARSET . SECOND-STAGE-P),
|
|
|
2846 and the specification (a font string) must have a registry that matches
|
|
|
2847 the charset's registry. (This only makes sense with Mule support.) This
|
|
|
2848 makes it easy to choose a font that can display a particular
|
|
|
2849 character. (This is what redisplay does, in fact.) SECOND-STAGE-P means
|
|
|
2850 to ignore the font's registry and instead look at the characters in the
|
|
|
2851 font to see if the font can support the charset. This currently only makes
|
|
|
2852 sense under MS Windows.
|
|
428
|
2853 */
|
|
|
2854 (specifier, matchspec, domain, default_, no_fallback))
|
|
|
2855 {
|
|
2953
|
2856 return specifier_matching_foo (specifier, matchspec, domain, default_,
|
|
|
2857 no_fallback, 0);
|
|
|
2858 }
|
|
|
2859
|
|
|
2860 DEFUN ("specifier-matching-instantiator", Fspecifier_matching_instantiator,
|
|
|
2861 2, 5, 0, /*
|
|
|
2862 Return instantiator for instance of SPECIFIER in DOMAIN that matches MATCHSPEC.
|
|
|
2863 If no instance can be generated for this domain, return DEFAULT.
|
|
|
2864
|
|
|
2865 This function is identical to `specifier-matching-instance' but returns
|
|
|
2866 the instantiator used to generate the instance, rather than the actual
|
|
|
2867 instance.
|
|
|
2868 */
|
|
|
2869 (specifier, matchspec, domain, default_, no_fallback))
|
|
|
2870 {
|
|
|
2871 return specifier_matching_foo (specifier, matchspec, domain, default_,
|
|
|
2872 no_fallback, 1);
|
|
|
2873 }
|
|
|
2874
|
|
|
2875 static Lisp_Object
|
|
|
2876 specifier_matching_foo_from_inst_list (Lisp_Object specifier,
|
|
|
2877 Lisp_Object matchspec,
|
|
|
2878 Lisp_Object domain,
|
|
|
2879 Lisp_Object inst_list,
|
|
|
2880 Lisp_Object default_,
|
|
|
2881 int want_instantiator)
|
|
|
2882 {
|
|
|
2883 Lisp_Object val = Qunbound;
|
|
|
2884 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
|
2885 struct gcpro gcpro1;
|
|
|
2886 Lisp_Object built_up_list = Qnil;
|
|
|
2887 Lisp_Object instantiator;
|
|
428
|
2888
|
|
|
2889 CHECK_SPECIFIER (specifier);
|
|
2953
|
2890 if (!UNBOUNDP (matchspec))
|
|
|
2891 check_valid_specifier_matchspec (matchspec,
|
|
|
2892 XSPECIFIER (specifier)->methods,
|
|
|
2893 ERROR_ME);
|
|
|
2894 check_valid_domain (domain);
|
|
|
2895 check_valid_inst_list (inst_list, sp->methods, ERROR_ME);
|
|
|
2896 GCPRO1 (built_up_list);
|
|
|
2897 built_up_list = build_up_processed_list (specifier, domain, inst_list);
|
|
|
2898 if (!NILP (built_up_list))
|
|
|
2899 val = specifier_instance_from_inst_list (specifier, matchspec, domain,
|
|
|
2900 built_up_list, ERROR_ME,
|
|
|
2901 0, Qzero, &instantiator);
|
|
|
2902 UNGCPRO;
|
|
|
2903 return UNBOUNDP (val) ? default_ : want_instantiator ? instantiator : val;
|
|
|
2904
|
|
428
|
2905 }
|
|
|
2906
|
|
|
2907 DEFUN ("specifier-instance-from-inst-list", Fspecifier_instance_from_inst_list,
|
|
|
2908 3, 4, 0, /*
|
|
|
2909 Attempt to convert a particular inst-list into an instance.
|
|
|
2910 This attempts to instantiate INST-LIST in the given DOMAIN,
|
|
|
2911 as if INST-LIST existed in a specification in SPECIFIER. If
|
|
|
2912 the instantiation fails, DEFAULT is returned. In most circumstances,
|
|
|
2913 you should not use this function; use `specifier-instance' instead.
|
|
|
2914 */
|
|
|
2915 (specifier, domain, inst_list, default_))
|
|
|
2916 {
|
|
2953
|
2917 return specifier_matching_foo_from_inst_list (specifier, Qunbound,
|
|
|
2918 domain, inst_list, default_,
|
|
|
2919 0);
|
|
|
2920 }
|
|
|
2921
|
|
|
2922 DEFUN ("specifier-instantiator-from-inst-list", Fspecifier_instantiator_from_inst_list,
|
|
|
2923 3, 4, 0, /*
|
|
|
2924 Attempt to convert an inst-list into an instance; return instantiator.
|
|
|
2925 This is identical to `specifier-instance-from-inst-list' but returns
|
|
|
2926 the instantiator used to generate the instance, rather than the instance
|
|
|
2927 itself.
|
|
|
2928 */
|
|
|
2929 (specifier, domain, inst_list, default_))
|
|
|
2930 {
|
|
|
2931 return specifier_matching_foo_from_inst_list (specifier, Qunbound,
|
|
|
2932 domain, inst_list, default_,
|
|
|
2933 1);
|
|
428
|
2934 }
|
|
|
2935
|
|
442
|
2936 DEFUN ("specifier-matching-instance-from-inst-list",
|
|
|
2937 Fspecifier_matching_instance_from_inst_list,
|
|
428
|
2938 4, 5, 0, /*
|
|
|
2939 Attempt to convert a particular inst-list into an instance.
|
|
|
2940 This attempts to instantiate INST-LIST in the given DOMAIN
|
|
|
2941 \(as if INST-LIST existed in a specification in SPECIFIER),
|
|
|
2942 matching the specifications against MATCHSPEC.
|
|
|
2943
|
|
|
2944 This function is analogous to `specifier-instance-from-inst-list'
|
|
|
2945 but allows for specification-matching as in `specifier-matching-instance'.
|
|
|
2946 See that function for a description of exactly how the matching process
|
|
|
2947 works.
|
|
|
2948 */
|
|
|
2949 (specifier, matchspec, domain, inst_list, default_))
|
|
|
2950 {
|
|
2953
|
2951 return specifier_matching_foo_from_inst_list (specifier, matchspec,
|
|
|
2952 domain, inst_list, default_,
|
|
|
2953 0);
|
|
|
2954 }
|
|
|
2955
|
|
|
2956 DEFUN ("specifier-matching-instantiator-from-inst-list",
|
|
|
2957 Fspecifier_matching_instantiator_from_inst_list,
|
|
|
2958 4, 5, 0, /*
|
|
|
2959 Attempt to convert an inst-list into an instance; return instantiator.
|
|
|
2960 This is identical to `specifier-matching-instance-from-inst-list' but returns
|
|
|
2961 the instantiator used to generate the instance, rather than the instance
|
|
|
2962 itself.
|
|
|
2963 */
|
|
|
2964 (specifier, matchspec, domain, inst_list, default_))
|
|
|
2965 {
|
|
|
2966 return specifier_matching_foo_from_inst_list (specifier, matchspec,
|
|
|
2967 domain, inst_list, default_,
|
|
|
2968 1);
|
|
428
|
2969 }
|
|
|
2970
|
|
|
2971
|
|
|
2972 /************************************************************************/
|
|
|
2973 /* Caching in the struct window or frame */
|
|
|
2974 /************************************************************************/
|
|
|
2975
|
|
853
|
2976 /* Cause the current value of SPECIFIER in the domain of each frame and/or
|
|
|
2977 window to be cached in the struct frame at STRUCT_FRAME_OFFSET and the
|
|
|
2978 struct window at STRUCT_WINDOW_OFFSET. When the value changes in a
|
|
|
2979 particular window, VALUE_CHANGED_IN_WINDOW is called. When the value
|
|
|
2980 changes in a particular frame, VALUE_CHANGED_IN_FRAME is called.
|
|
|
2981
|
|
|
2982 Either STRUCT_WINDOW_OFFSET or STRUCT_FRAME_OFFSET can be 0 to indicate
|
|
|
2983 no caching in that sort of object. However, if they're not 0, you
|
|
|
2984 must supply a corresponding value-changed function. (This is the case
|
|
|
2985 so that you are forced to consider the ramifications of a value change.
|
|
|
2986 You nearly always need to do something, e.g. set a dirty flag.)
|
|
|
2987
|
|
|
2988 If you create a built-in specifier, you should do the following:
|
|
|
2989
|
|
|
2990 - Make sure the file you create the specifier in has a
|
|
|
2991 specifier_vars_of_foo() function. If not, create it, declare it in
|
|
|
2992 symsinit.h, and make sure it's called in the appropriate place in
|
|
|
2993 emacs.c.
|
|
|
2994 - In specifier_vars_of_foo(), do a DEFVAR_SPECIFIER(), followed by
|
|
|
2995 initializing the specifier using Fmake_specifier(), followed by
|
|
|
2996 set_specifier_fallback(), followed (optionally) by
|
|
|
2997 set_specifier_caching().
|
|
|
2998 - If you used set_specifier_caching(), make sure to create the
|
|
|
2999 appropriate value-changed functions. Also make sure to add the
|
|
|
3000 appropriate slots where the values are cached to frameslots.h and
|
|
|
3001 winslots.h.
|
|
|
3002
|
|
|
3003 Do a grep for menubar_visible_p for an example.
|
|
|
3004 */
|
|
428
|
3005
|
|
|
3006 /* #### It would be nice if the specifier caching automatically knew
|
|
|
3007 about specifier fallbacks, so we didn't have to do it ourselves. */
|
|
|
3008
|
|
|
3009 void
|
|
|
3010 set_specifier_caching (Lisp_Object specifier, int struct_window_offset,
|
|
|
3011 void (*value_changed_in_window)
|
|
|
3012 (Lisp_Object specifier, struct window *w,
|
|
|
3013 Lisp_Object oldval),
|
|
|
3014 int struct_frame_offset,
|
|
|
3015 void (*value_changed_in_frame)
|
|
|
3016 (Lisp_Object specifier, struct frame *f,
|
|
444
|
3017 Lisp_Object oldval),
|
|
|
3018 int always_recompute)
|
|
428
|
3019 {
|
|
440
|
3020 Lisp_Specifier *sp = XSPECIFIER (specifier);
|
|
428
|
3021 assert (!GHOST_SPECIFIER_P (sp));
|
|
|
3022
|
|
|
3023 if (!sp->caching)
|
|
3092
|
3024 #ifdef NEW_GC
|
|
|
3025 sp->caching = alloc_lrecord_type (struct specifier_caching,
|
|
|
3026 &lrecord_specifier_caching);
|
|
|
3027 #else /* not NEW_GC */
|
|
428
|
3028 sp->caching = xnew_and_zero (struct specifier_caching);
|
|
3092
|
3029 #endif /* not NEW_GC */
|
|
428
|
3030 sp->caching->offset_into_struct_window = struct_window_offset;
|
|
|
3031 sp->caching->value_changed_in_window = value_changed_in_window;
|
|
|
3032 sp->caching->offset_into_struct_frame = struct_frame_offset;
|
|
|
3033 sp->caching->value_changed_in_frame = value_changed_in_frame;
|
|
853
|
3034 if (struct_window_offset)
|
|
|
3035 assert (value_changed_in_window);
|
|
|
3036 if (struct_frame_offset)
|
|
|
3037 assert (value_changed_in_frame);
|
|
444
|
3038 sp->caching->always_recompute = always_recompute;
|
|
428
|
3039 Vcached_specifiers = Fcons (specifier, Vcached_specifiers);
|
|
|
3040 if (BODILY_SPECIFIER_P (sp))
|
|
|
3041 GHOST_SPECIFIER(sp)->caching = sp->caching;
|
|
|
3042 recompute_cached_specifier_everywhere (specifier);
|
|
|
3043 }
|
|
|
3044
|
|
|
3045 static void
|
|
|
3046 recompute_one_cached_specifier_in_window (Lisp_Object specifier,
|
|
|
3047 struct window *w)
|
|
|
3048 {
|
|
|
3049 Lisp_Object window;
|
|
444
|
3050 Lisp_Object newval, *location, oldval;
|
|
428
|
3051
|
|
|
3052 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
3053
|
|
793
|
3054 window = wrap_window (w);
|
|
428
|
3055
|
|
|
3056 newval = specifier_instance (specifier, Qunbound, window, ERROR_ME_WARN,
|
|
|
3057 0, 0, Qzero);
|
|
|
3058 /* If newval ended up Qunbound, then the calling functions
|
|
|
3059 better be able to deal. If not, set a default so this
|
|
|
3060 never happens or correct it in the value_changed_in_window
|
|
|
3061 method. */
|
|
|
3062 location = (Lisp_Object *)
|
|
|
3063 ((char *) w + XSPECIFIER (specifier)->caching->offset_into_struct_window);
|
|
442
|
3064 /* #### What's the point of this check, other than to optimize image
|
|
|
3065 instance instantiation? Unless you specify a caching instantiate
|
|
|
3066 method the instantiation that specifier_instance will do will
|
|
|
3067 always create a new copy. Thus EQ will always fail. Unfortunately
|
|
|
3068 calling equal is no good either as this doesn't take into account
|
|
|
3069 things attached to the specifier - for instance strings on
|
|
|
3070 extents. --andyp */
|
|
444
|
3071 if (!EQ (newval, *location) || XSPECIFIER (specifier)->caching->always_recompute)
|
|
428
|
3072 {
|
|
444
|
3073 oldval = *location;
|
|
428
|
3074 *location = newval;
|
|
|
3075 (XSPECIFIER (specifier)->caching->value_changed_in_window)
|
|
|
3076 (specifier, w, oldval);
|
|
|
3077 }
|
|
|
3078 }
|
|
|
3079
|
|
|
3080 static void
|
|
|
3081 recompute_one_cached_specifier_in_frame (Lisp_Object specifier,
|
|
|
3082 struct frame *f)
|
|
|
3083 {
|
|
|
3084 Lisp_Object frame;
|
|
444
|
3085 Lisp_Object newval, *location, oldval;
|
|
428
|
3086
|
|
|
3087 assert (!GHOST_SPECIFIER_P (XSPECIFIER (specifier)));
|
|
|
3088
|
|
793
|
3089 frame = wrap_frame (f);
|
|
428
|
3090
|
|
|
3091 newval = specifier_instance (specifier, Qunbound, frame, ERROR_ME_WARN,
|
|
|
3092 0, 0, Qzero);
|
|
|
3093 /* If newval ended up Qunbound, then the calling functions
|
|
|
3094 better be able to deal. If not, set a default so this
|
|
|
3095 never happens or correct it in the value_changed_in_frame
|
|
|
3096 method. */
|
|
|
3097 location = (Lisp_Object *)
|
|
|
3098 ((char *) f + XSPECIFIER (specifier)->caching->offset_into_struct_frame);
|
|
444
|
3099 if (!EQ (newval, *location) || XSPECIFIER (specifier)->caching->always_recompute)
|
|
428
|
3100 {
|
|
444
|
3101 oldval = *location;
|
|
428
|
3102 *location = newval;
|
|
|
3103 (XSPECIFIER (specifier)->caching->value_changed_in_frame)
|
|
|
3104 (specifier, f, oldval);
|
|
|
3105 }
|
|
|
3106 }
|
|
|
3107
|
|
|
3108 void
|
|
|
3109 recompute_all_cached_specifiers_in_window (struct window *w)
|
|
|
3110 {
|
|
|
3111 Lisp_Object rest;
|
|
|
3112
|
|
|
3113 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
3114 {
|
|
|
3115 Lisp_Object specifier = XCAR (rest);
|
|
|
3116 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
3117 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
3118 }
|
|
|
3119 }
|
|
|
3120
|
|
|
3121 void
|
|
|
3122 recompute_all_cached_specifiers_in_frame (struct frame *f)
|
|
|
3123 {
|
|
|
3124 Lisp_Object rest;
|
|
|
3125
|
|
|
3126 LIST_LOOP (rest, Vcached_specifiers)
|
|
|
3127 {
|
|
|
3128 Lisp_Object specifier = XCAR (rest);
|
|
|
3129 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
3130 recompute_one_cached_specifier_in_frame (specifier, f);
|
|
|
3131 }
|
|
|
3132 }
|
|
|
3133
|
|
|
3134 static int
|
|
|
3135 recompute_cached_specifier_everywhere_mapfun (struct window *w,
|
|
|
3136 void *closure)
|
|
|
3137 {
|
|
|
3138 Lisp_Object specifier = Qnil;
|
|
|
3139
|
|
826
|
3140 specifier = VOID_TO_LISP (closure);
|
|
428
|
3141 recompute_one_cached_specifier_in_window (specifier, w);
|
|
|
3142 return 0;
|
|
|
3143 }
|
|
|
3144
|
|
|
3145 static void
|
|
|
3146 recompute_cached_specifier_everywhere (Lisp_Object specifier)
|
|
|
3147 {
|
|
|
3148 Lisp_Object frmcons, devcons, concons;
|
|
|
3149
|
|
|
3150 specifier = bodily_specifier (specifier);
|
|
|
3151
|
|
|
3152 if (!XSPECIFIER (specifier)->caching)
|
|
|
3153 return;
|
|
|
3154
|
|
|
3155 if (XSPECIFIER (specifier)->caching->offset_into_struct_window)
|
|
|
3156 {
|
|
|
3157 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
3158 map_windows (XFRAME (XCAR (frmcons)),
|
|
|
3159 recompute_cached_specifier_everywhere_mapfun,
|
|
|
3160 LISP_TO_VOID (specifier));
|
|
|
3161 }
|
|
|
3162
|
|
|
3163 if (XSPECIFIER (specifier)->caching->offset_into_struct_frame)
|
|
|
3164 {
|
|
|
3165 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
3166 recompute_one_cached_specifier_in_frame (specifier,
|
|
|
3167 XFRAME (XCAR (frmcons)));
|
|
|
3168 }
|
|
|
3169 }
|
|
|
3170
|
|
|
3171 DEFUN ("set-specifier-dirty-flag", Fset_specifier_dirty_flag, 1, 1, 0, /*
|
|
|
3172 Force recomputation of any caches associated with SPECIFIER.
|
|
|
3173 Note that this automatically happens whenever you change a specification
|
|
|
3174 in SPECIFIER; you do not have to call this function then.
|
|
|
3175 One example of where this function is useful is when you have a
|
|
|
3176 toolbar button whose `active-p' field is an expression to be
|
|
|
3177 evaluated. Calling `set-specifier-dirty-flag' on the
|
|
|
3178 toolbar specifier will force the `active-p' fields to be
|
|
|
3179 recomputed.
|
|
|
3180 */
|
|
|
3181 (specifier))
|
|
|
3182 {
|
|
|
3183 CHECK_SPECIFIER (specifier);
|
|
|
3184 recompute_cached_specifier_everywhere (specifier);
|
|
|
3185 return Qnil;
|
|
|
3186 }
|
|
|
3187
|
|
|
3188
|
|
|
3189 /************************************************************************/
|
|
|
3190 /* Generic specifier type */
|
|
|
3191 /************************************************************************/
|
|
|
3192
|
|
|
3193 DEFINE_SPECIFIER_TYPE (generic);
|
|
|
3194
|
|
|
3195 #if 0
|
|
|
3196
|
|
|
3197 /* This is the string that used to be in `generic-specifier-p'.
|
|
|
3198 The idea is good, but it doesn't quite work in the form it's
|
|
|
3199 in. (One major problem is that validating an instantiator
|
|
|
3200 is supposed to require only that the specifier type is passed,
|
|
|
3201 while with this approach the actual specifier is needed.)
|
|
|
3202
|
|
|
3203 What really needs to be done is to write a function
|
|
|
3204 `make-specifier-type' that creates new specifier types.
|
|
442
|
3205
|
|
|
3206 #### [I'll look into this for 19.14.] Well, sometime. (Currently
|
|
|
3207 May 2000, 21.2 is in development. 19.14 was released in June 1996.) */
|
|
428
|
3208
|
|
|
3209 "A generic specifier is a generalized kind of specifier with user-defined\n"
|
|
|
3210 "semantics. The instantiator can be any kind of Lisp object, and the\n"
|
|
|
3211 "instance computed from it is likewise any kind of Lisp object. The\n"
|
|
|
3212 "SPECIFIER-DATA should be an alist of methods governing how the specifier\n"
|
|
|
3213 "works. All methods are optional, and reasonable default methods will be\n"
|
|
2953
|
3214 "provided. Currently there are two defined methods: `instantiate' and\n"
|
|
|
3215 "`validate'.\n"
|
|
428
|
3216 "\n"
|
|
2953
|
3217 "`instantiate' specifies how to do the instantiation; if omitted, the\n"
|
|
428
|
3218 "instantiator itself is simply returned as the instance. The method\n"
|
|
|
3219 "should be a function that accepts three parameters (a specifier, the\n"
|
|
|
3220 "instantiator that matched the domain being instantiated over, and that\n"
|
|
|
3221 "domain), and should return a one-element list containing the instance,\n"
|
|
|
3222 "or nil if no instance exists. Note that the domain passed to this function\n"
|
|
|
3223 "is the domain being instantiated over, which may not be the same as the\n"
|
|
|
3224 "locale contained in the specification corresponding to the instantiator\n"
|
|
|
3225 "(for example, the domain being instantiated over could be a window, but\n"
|
|
|
3226 "the locale corresponding to the passed instantiator could be the window's\n"
|
|
|
3227 "buffer or frame).\n"
|
|
|
3228 "\n"
|
|
2953
|
3229 "`validate' specifies whether a given instantiator is valid; if omitted,\n"
|
|
428
|
3230 "all instantiators are considered valid. It should be a function of\n"
|
|
|
3231 "two arguments: an instantiator and a flag CAN-SIGNAL-ERROR. If this\n"
|
|
|
3232 "flag is false, the function must simply return t or nil indicating\n"
|
|
|
3233 "whether the instantiator is valid. If this flag is true, the function\n"
|
|
|
3234 "is free to signal an error if it encounters an invalid instantiator\n"
|
|
|
3235 "(this can be useful for issuing a specific error about exactly why the\n"
|
|
|
3236 "instantiator is valid). It can also return nil to indicate an invalid\n"
|
|
|
3237 "instantiator; in this case, a general error will be signalled."
|
|
|
3238
|
|
|
3239 #endif /* 0 */
|
|
|
3240
|
|
|
3241 DEFUN ("generic-specifier-p", Fgeneric_specifier_p, 1, 1, 0, /*
|
|
|
3242 Return non-nil if OBJECT is a generic specifier.
|
|
|
3243
|
|
442
|
3244 See `make-generic-specifier' for a description of possible generic
|
|
|
3245 instantiators.
|
|
428
|
3246 */
|
|
|
3247 (object))
|
|
|
3248 {
|
|
|
3249 return GENERIC_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3250 }
|
|
|
3251
|
|
|
3252
|
|
|
3253 /************************************************************************/
|
|
|
3254 /* Integer specifier type */
|
|
|
3255 /************************************************************************/
|
|
|
3256
|
|
|
3257 DEFINE_SPECIFIER_TYPE (integer);
|
|
|
3258
|
|
|
3259 static void
|
|
|
3260 integer_validate (Lisp_Object instantiator)
|
|
|
3261 {
|
|
|
3262 CHECK_INT (instantiator);
|
|
|
3263 }
|
|
|
3264
|
|
|
3265 DEFUN ("integer-specifier-p", Finteger_specifier_p, 1, 1, 0, /*
|
|
|
3266 Return non-nil if OBJECT is an integer specifier.
|
|
442
|
3267
|
|
|
3268 See `make-integer-specifier' for a description of possible integer
|
|
|
3269 instantiators.
|
|
428
|
3270 */
|
|
|
3271 (object))
|
|
|
3272 {
|
|
|
3273 return INTEGER_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3274 }
|
|
|
3275
|
|
|
3276 /************************************************************************/
|
|
|
3277 /* Non-negative-integer specifier type */
|
|
|
3278 /************************************************************************/
|
|
|
3279
|
|
|
3280 DEFINE_SPECIFIER_TYPE (natnum);
|
|
|
3281
|
|
|
3282 static void
|
|
|
3283 natnum_validate (Lisp_Object instantiator)
|
|
|
3284 {
|
|
|
3285 CHECK_NATNUM (instantiator);
|
|
|
3286 }
|
|
|
3287
|
|
|
3288 DEFUN ("natnum-specifier-p", Fnatnum_specifier_p, 1, 1, 0, /*
|
|
|
3289 Return non-nil if OBJECT is a natnum (non-negative-integer) specifier.
|
|
442
|
3290
|
|
|
3291 See `make-natnum-specifier' for a description of possible natnum
|
|
|
3292 instantiators.
|
|
428
|
3293 */
|
|
|
3294 (object))
|
|
|
3295 {
|
|
|
3296 return NATNUM_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3297 }
|
|
|
3298
|
|
|
3299 /************************************************************************/
|
|
|
3300 /* Boolean specifier type */
|
|
|
3301 /************************************************************************/
|
|
|
3302
|
|
|
3303 DEFINE_SPECIFIER_TYPE (boolean);
|
|
|
3304
|
|
|
3305 static void
|
|
|
3306 boolean_validate (Lisp_Object instantiator)
|
|
|
3307 {
|
|
|
3308 if (!EQ (instantiator, Qt) && !EQ (instantiator, Qnil))
|
|
563
|
3309 invalid_constant ("Must be t or nil", instantiator);
|
|
428
|
3310 }
|
|
|
3311
|
|
|
3312 DEFUN ("boolean-specifier-p", Fboolean_specifier_p, 1, 1, 0, /*
|
|
|
3313 Return non-nil if OBJECT is a boolean specifier.
|
|
442
|
3314
|
|
|
3315 See `make-boolean-specifier' for a description of possible boolean
|
|
|
3316 instantiators.
|
|
428
|
3317 */
|
|
|
3318 (object))
|
|
|
3319 {
|
|
|
3320 return BOOLEAN_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3321 }
|
|
|
3322
|
|
|
3323 /************************************************************************/
|
|
|
3324 /* Display table specifier type */
|
|
|
3325 /************************************************************************/
|
|
|
3326
|
|
|
3327 DEFINE_SPECIFIER_TYPE (display_table);
|
|
|
3328
|
|
442
|
3329 #define VALID_SINGLE_DISPTABLE_INSTANTIATOR_P(instantiator) \
|
|
|
3330 (VECTORP (instantiator) \
|
|
|
3331 || (CHAR_TABLEP (instantiator) \
|
|
|
3332 && (XCHAR_TABLE_TYPE (instantiator) == CHAR_TABLE_TYPE_CHAR \
|
|
|
3333 || XCHAR_TABLE_TYPE (instantiator) == CHAR_TABLE_TYPE_GENERIC)) \
|
|
428
|
3334 || RANGE_TABLEP (instantiator))
|
|
|
3335
|
|
|
3336 static void
|
|
|
3337 display_table_validate (Lisp_Object instantiator)
|
|
|
3338 {
|
|
|
3339 if (NILP (instantiator))
|
|
|
3340 /* OK */
|
|
|
3341 ;
|
|
|
3342 else if (CONSP (instantiator))
|
|
|
3343 {
|
|
2367
|
3344 EXTERNAL_LIST_LOOP_2 (car, instantiator)
|
|
428
|
3345 {
|
|
|
3346 if (!VALID_SINGLE_DISPTABLE_INSTANTIATOR_P (car))
|
|
|
3347 goto lose;
|
|
|
3348 }
|
|
|
3349 }
|
|
|
3350 else
|
|
|
3351 {
|
|
|
3352 if (!VALID_SINGLE_DISPTABLE_INSTANTIATOR_P (instantiator))
|
|
|
3353 {
|
|
|
3354 lose:
|
|
442
|
3355 dead_wrong_type_argument
|
|
|
3356 (display_table_specifier_methods->predicate_symbol,
|
|
428
|
3357 instantiator);
|
|
|
3358 }
|
|
|
3359 }
|
|
|
3360 }
|
|
|
3361
|
|
|
3362 DEFUN ("display-table-specifier-p", Fdisplay_table_specifier_p, 1, 1, 0, /*
|
|
|
3363 Return non-nil if OBJECT is a display-table specifier.
|
|
442
|
3364
|
|
|
3365 See `current-display-table' for a description of possible display-table
|
|
|
3366 instantiators.
|
|
428
|
3367 */
|
|
|
3368 (object))
|
|
|
3369 {
|
|
|
3370 return DISPLAYTABLE_SPECIFIERP (object) ? Qt : Qnil;
|
|
|
3371 }
|
|
|
3372
|
|
|
3373
|
|
|
3374 /************************************************************************/
|
|
|
3375 /* Initialization */
|
|
|
3376 /************************************************************************/
|
|
|
3377
|
|
|
3378 void
|
|
|
3379 syms_of_specifier (void)
|
|
|
3380 {
|
|
442
|
3381 INIT_LRECORD_IMPLEMENTATION (specifier);
|
|
3092
|
3382 #ifdef NEW_GC
|
|
|
3383 INIT_LRECORD_IMPLEMENTATION (specifier_caching);
|
|
|
3384 #endif /* NEW_GC */
|
|
442
|
3385
|
|
|
3386 DEFSYMBOL (Qspecifierp);
|
|
|
3387
|
|
|
3388 DEFSYMBOL (Qconsole_type);
|
|
|
3389 DEFSYMBOL (Qdevice_class);
|
|
|
3390
|
|
|
3391 /* specifier types defined in general.c. */
|
|
428
|
3392
|
|
|
3393 DEFSUBR (Fvalid_specifier_type_p);
|
|
|
3394 DEFSUBR (Fspecifier_type_list);
|
|
|
3395 DEFSUBR (Fmake_specifier);
|
|
|
3396 DEFSUBR (Fspecifierp);
|
|
|
3397 DEFSUBR (Fspecifier_type);
|
|
|
3398
|
|
|
3399 DEFSUBR (Fvalid_specifier_locale_p);
|
|
|
3400 DEFSUBR (Fvalid_specifier_domain_p);
|
|
|
3401 DEFSUBR (Fvalid_specifier_locale_type_p);
|
|
|
3402 DEFSUBR (Fspecifier_locale_type_from_locale);
|
|
|
3403
|
|
|
3404 DEFSUBR (Fvalid_specifier_tag_p);
|
|
|
3405 DEFSUBR (Fvalid_specifier_tag_set_p);
|
|
|
3406 DEFSUBR (Fcanonicalize_tag_set);
|
|
|
3407 DEFSUBR (Fdevice_matches_specifier_tag_set_p);
|
|
|
3408 DEFSUBR (Fdefine_specifier_tag);
|
|
|
3409 DEFSUBR (Fdevice_matching_specifier_tag_list);
|
|
|
3410 DEFSUBR (Fspecifier_tag_list);
|
|
|
3411 DEFSUBR (Fspecifier_tag_predicate);
|
|
|
3412
|
|
|
3413 DEFSUBR (Fcheck_valid_instantiator);
|
|
|
3414 DEFSUBR (Fvalid_instantiator_p);
|
|
|
3415 DEFSUBR (Fcheck_valid_inst_list);
|
|
|
3416 DEFSUBR (Fvalid_inst_list_p);
|
|
|
3417 DEFSUBR (Fcheck_valid_spec_list);
|
|
|
3418 DEFSUBR (Fvalid_spec_list_p);
|
|
|
3419 DEFSUBR (Fadd_spec_to_specifier);
|
|
|
3420 DEFSUBR (Fadd_spec_list_to_specifier);
|
|
|
3421 DEFSUBR (Fspecifier_spec_list);
|
|
|
3422 DEFSUBR (Fspecifier_specs);
|
|
|
3423 DEFSUBR (Fremove_specifier);
|
|
|
3424 DEFSUBR (Fcopy_specifier);
|
|
|
3425
|
|
|
3426 DEFSUBR (Fcheck_valid_specifier_matchspec);
|
|
|
3427 DEFSUBR (Fvalid_specifier_matchspec_p);
|
|
|
3428 DEFSUBR (Fspecifier_fallback);
|
|
|
3429 DEFSUBR (Fspecifier_instance);
|
|
2953
|
3430 DEFSUBR (Fspecifier_instantiator);
|
|
428
|
3431 DEFSUBR (Fspecifier_matching_instance);
|
|
2953
|
3432 DEFSUBR (Fspecifier_matching_instantiator);
|
|
428
|
3433 DEFSUBR (Fspecifier_instance_from_inst_list);
|
|
2953
|
3434 DEFSUBR (Fspecifier_instantiator_from_inst_list);
|
|
428
|
3435 DEFSUBR (Fspecifier_matching_instance_from_inst_list);
|
|
2953
|
3436 DEFSUBR (Fspecifier_matching_instantiator_from_inst_list);
|
|
428
|
3437 DEFSUBR (Fset_specifier_dirty_flag);
|
|
|
3438
|
|
|
3439 DEFSUBR (Fgeneric_specifier_p);
|
|
|
3440 DEFSUBR (Finteger_specifier_p);
|
|
|
3441 DEFSUBR (Fnatnum_specifier_p);
|
|
|
3442 DEFSUBR (Fboolean_specifier_p);
|
|
|
3443 DEFSUBR (Fdisplay_table_specifier_p);
|
|
|
3444
|
|
|
3445 /* Symbols pertaining to specifier creation. Specifiers are created
|
|
|
3446 in the syms_of() functions. */
|
|
|
3447
|
|
|
3448 /* locales are defined in general.c. */
|
|
|
3449
|
|
442
|
3450 /* some how-to-add flags in general.c. */
|
|
|
3451 DEFSYMBOL (Qremove_tag_set_prepend);
|
|
|
3452 DEFSYMBOL (Qremove_tag_set_append);
|
|
|
3453 DEFSYMBOL (Qremove_locale);
|
|
|
3454 DEFSYMBOL (Qremove_locale_type);
|
|
428
|
3455 }
|
|
|
3456
|
|
|
3457 void
|
|
|
3458 specifier_type_create (void)
|
|
|
3459 {
|
|
|
3460 the_specifier_type_entry_dynarr = Dynarr_new (specifier_type_entry);
|
|
2367
|
3461 dump_add_root_block_ptr (&the_specifier_type_entry_dynarr, &sted_description);
|
|
428
|
3462
|
|
|
3463 Vspecifier_type_list = Qnil;
|
|
|
3464 staticpro (&Vspecifier_type_list);
|
|
|
3465
|
|
|
3466 INITIALIZE_SPECIFIER_TYPE (generic, "generic", "generic-specifier-p");
|
|
|
3467
|
|
|
3468 INITIALIZE_SPECIFIER_TYPE (integer, "integer", "integer-specifier-p");
|
|
|
3469
|
|
|
3470 SPECIFIER_HAS_METHOD (integer, validate);
|
|
|
3471
|
|
|
3472 INITIALIZE_SPECIFIER_TYPE (natnum, "natnum", "natnum-specifier-p");
|
|
|
3473
|
|
|
3474 SPECIFIER_HAS_METHOD (natnum, validate);
|
|
|
3475
|
|
|
3476 INITIALIZE_SPECIFIER_TYPE (boolean, "boolean", "boolean-specifier-p");
|
|
|
3477
|
|
|
3478 SPECIFIER_HAS_METHOD (boolean, validate);
|
|
|
3479
|
|
442
|
3480 INITIALIZE_SPECIFIER_TYPE (display_table, "display-table",
|
|
|
3481 "display-table-p");
|
|
428
|
3482
|
|
|
3483 SPECIFIER_HAS_METHOD (display_table, validate);
|
|
|
3484 }
|
|
|
3485
|
|
|
3486 void
|
|
|
3487 reinit_specifier_type_create (void)
|
|
|
3488 {
|
|
|
3489 REINITIALIZE_SPECIFIER_TYPE (generic);
|
|
|
3490 REINITIALIZE_SPECIFIER_TYPE (integer);
|
|
|
3491 REINITIALIZE_SPECIFIER_TYPE (natnum);
|
|
|
3492 REINITIALIZE_SPECIFIER_TYPE (boolean);
|
|
|
3493 REINITIALIZE_SPECIFIER_TYPE (display_table);
|
|
|
3494 }
|
|
|
3495
|
|
|
3496 void
|
|
|
3497 vars_of_specifier (void)
|
|
|
3498 {
|
|
|
3499 Vcached_specifiers = Qnil;
|
|
|
3500 staticpro (&Vcached_specifiers);
|
|
|
3501
|
|
|
3502 /* Do NOT mark through this, or specifiers will never be GC'd.
|
|
|
3503 This is the same deal as for weak hash tables. */
|
|
|
3504 Vall_specifiers = Qnil;
|
|
452
|
3505 dump_add_weak_object_chain (&Vall_specifiers);
|
|
428
|
3506
|
|
|
3507 Vuser_defined_tags = Qnil;
|
|
|
3508 staticpro (&Vuser_defined_tags);
|
|
|
3509
|
|
|
3510 Vunlock_ghost_specifiers = Qnil;
|
|
|
3511 staticpro (&Vunlock_ghost_specifiers);
|
|
|
3512 }
|
