annotate src/specifier.h @ 3659:98af8a976fc3

[xemacs-hg @ 2006-11-05 22:31:31 by aidan] Support specifying fonts for particular character sets in Mule; support translation to ISO 10646-1 for Mule character sets without an otherwise matching font; move to a vector of X11-charset-X11-registry instead of a regex for the charset-registry property.
author aidan
date Sun, 05 Nov 2006 22:31:46 +0000
parents 141c2920ea48
children d00347ec8289
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1 /* Generic specifier list implementation
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
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3 Copyright (C) 1995, 1996, 2002 Ben Wing
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 #ifndef INCLUDED_specifier_h_
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25 #define INCLUDED_specifier_h_
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26
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27 /*
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28 MAGIC SPECIFIERS
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29 ================
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30
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31 Magic specifiers are used to provide fallback values for window
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32 system provided specifications, reflecting user preferences on the
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33 window system, such as default fonts, colors, scrollbar thickness
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34 etc.
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35
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36 A magic specifier consists of two specifier objects. The first one
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37 behaves like a normal specifier in all senses. The second one, a
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38 ghost specifier, is a fallback value for the first one, and contains
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39 values provided by window system, resources etc. which reflect
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40 default settings for values being specified.
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41
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42 A magic specifier has an "ultimate" fallback value, as any usual
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43 specifier does. This value, an inst-list, is stored in the fallback
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44 slot of the ghost specifier object.
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45
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46 Ghost specifiers have the following properties:
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47 - Have back pointers to their parent specifiers.
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48 - Do not have instance data. Instead, they share parent's instance
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49 data.
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50 - Have the same methods structure pointer.
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51 - Share parent's caching scheme.
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52 - Store fallback value instead of their parents.
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53
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54 Ghost specifiers normally are not modifiable at the lisp level, and
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55 only used to supply fallback instance values. They are accessible
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56 via (specifier-fallback), but are read-only. Although, under
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57 certain rare conditions, modification of ghost objects is allowed.
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58 This behavior is controlled by the global variable
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59 Vunlock_ghost_specifiers. It is not exposed to lisp, and is set
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60 during calls to lisp functions which initialize global, device and
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61 frame defaults, such as
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62 init-{global,frame,device}-{faces,toolbars,etc}.
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63
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64 Thus, values supplied by resources or other means of a window system
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65 stored in externally unmodifiable ghost objects. Regular lisp code
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66 may thus freely modify the normal part of a magic specifier, and
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67 removing a specification for a particular domain causes the
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68 specification to consider ghost-provided fallback values, or its own
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69 fallback value.
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70
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71 Rules of conduct for magic specifiers
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72 -------------------------------------
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73 1. recompute_*() functions always operate on the whole specifier
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74 when passed only a ghost object, by substituting it with their
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75 parent bodily object.
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76 2. All specifier methods, except for instantiate method, are passed
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77 the bodily object of the magic specifier. Instantiate method is
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78 passed the specifier being instantiated.
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79 3. Only bodily objects are passed to set_specifier_caching function,
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80 and only these may be cached.
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81 4. All specifiers are added to Vall_specifiers list, both bodily and
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82 ghost. The pair of objects is always removed from the list at the
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83 same time.
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84 */
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85
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86 extern const struct sized_memory_description specifier_methods_description;
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87
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88 struct specifier_methods
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89 {
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90 const char *name;
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91 Lisp_Object predicate_symbol;
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92
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93 /* Implementation specific methods: */
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94
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95 /* Create method: Initialize specifier data. Optional. */
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96 void (*create_method) (Lisp_Object specifier);
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97
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98 /* Mark method: Mark any lisp object within specifier data
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99 structure. Not required if no specifier data are Lisp_Objects. */
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100 void (*mark_method) (Lisp_Object specifier);
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101
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102 /* Equal method: Compare two specifiers. This is called after
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103 ensuring that the two specifiers are of the same type, and have
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104 the same specs. Quit is inhibited during the call so it is safe
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105 to call internal_equal().
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106
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107 If this function is not present, specifiers considered equal when
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108 the above conditions are met, i.e. as if the method returned
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109 non-zero. */
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110 int (*equal_method) (Lisp_Object sp1, Lisp_Object sp2, int depth);
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111
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112 /* Hash method: Hash specifier instance data. This has to hash only
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113 data structure of the specifier, as specs are hashed by the core
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114 code.
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115
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116 If this function is not present, hashing behaves as if it
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117 returned zero. */
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118 Hashcode (*hash_method) (Lisp_Object specifier, int depth);
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119
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120 /* Validate method: Given an instantiator, verify that it's
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121 valid for this specifier type. If not, signal an error.
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122
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123 If this function is not present, all instantiators are considered
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124 valid. */
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125 void (*validate_method) (Lisp_Object instantiator);
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126
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127
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128 /* Copy method: Given an instantiator, copy the bits that we need to
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129 for this specifier type.
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130
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131 If this function is not present, then Fcopy_tree is used. */
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132 Lisp_Object (*copy_instantiator_method) (Lisp_Object instantiator);
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133
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134 /* Validate-matchspec method: Given a matchspec, verify that it's
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135 valid for this specifier type. If not, signal an error.
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136
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137 If this function is not present, *no* matchspecs are considered
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138 valid. Note that this differs from validate_method(). */
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139 void (*validate_matchspec_method) (Lisp_Object matchspec);
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140
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141 /* Instantiate method: Return SPECIFIER instance in DOMAIN,
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142 specified by INSTANTIATOR. MATCHSPEC specifies an additional
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143 constraints on the instance value (see the docstring for
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144 Fspecifier_matching_instance function). MATCHSPEC is passed
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145 Qunbound when no matching constraints are imposed. The method is
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146 called via call_with_suspended_errors(), so allowed to eval
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147 safely.
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148
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149 DEPTH is a lisp integer denoting current depth of instantiation
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150 calls. This parameter should be passed as the initial depth value
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151 to functions which also instantiate specifiers (of which I can
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152 name specifier_instance) to avoid creating "external"
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153 specification loops.
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154
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155 This method must presume that both INSTANTIATOR and MATCHSPEC are
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156 already validated by the corresponding validate_* methods, and
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157 may abort if they are invalid.
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158
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159 Return value is an instance, which is returned immediately to the
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160 caller, or Qunbound to continue instantiation lookup chain.
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161
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162 If this function is not present, INSTANTIATOR is used as the
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163 specifier instance. This is the usual case for "simple"
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164 specifiers, like integer and boolean. */
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165 Lisp_Object (*instantiate_method) (Lisp_Object specifier,
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166 Lisp_Object matchspec,
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167 Lisp_Object domain,
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168 Lisp_Object instantiator,
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169 Lisp_Object depth);
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170
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171 /* Going-to-add method: Called when an instantiator is about
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172 to be added to a specifier. This function can specify
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173 that different instantiators should be used instead by
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174 returning an inst-list (possibly containing zero elements).
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175 If the instantiator is fine as-is, return Qt. The
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176 instantiator has been copied with copy-tree, so feel
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177 free to reuse parts of it to create a new instantiator.
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178 The tag-set, however, is not copied and is not canonicalized
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179 (that will be done on the result of this function). */
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180 Lisp_Object (*going_to_add_method) (Lisp_Object specifier,
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181 Lisp_Object locale,
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182 Lisp_Object tag_set,
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183 Lisp_Object instantiator);
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184
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185 /* After-change method: Called when the SPECIFIER has just been
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186 changed in LOCALE. The method is called upon:
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187 * Removing and adding specs to/from the specifier;
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188 * Changing the specifier fallback.
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189
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190 #### The method may have called more than once per each specifier
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191 change.
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192
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193 #### Do not still know if this can safely eval. */
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194 void (*after_change_method) (Lisp_Object specifier,
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195 Lisp_Object locale);
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196
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197 /* Specifier extra data: Specifier objects can have extra data, specific
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198 to the type of specifier, stored at the end of the object. To have
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199 this, a specifier declares a structure of type `struct TYPE_specifier'
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200 containing the data and uses DEFINE_SPECIFIER_TYPE_WITH_DATA and
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201 INITIALIZE_SPECIFIER_TYPE_WITH_DATA instead of the plain versions.
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202 Then, a pointer to the `struct TYPE_specifier' can be obtained from a
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203 specifier object using SPECIFIER_TYPE_DATA.
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204
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205 A data description of the extra data must also be provided, in the
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206 form of a memory_description named TYPE_specifier_description. */
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207
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208 /* Description of extra data structure; initialized when
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209 INITIALIZE_SPECIFIER_TYPE_WITH_DATA is called. */
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210 const struct sized_memory_description *extra_description;
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211
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212 /* Size of extra data structure; initialized when
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213 INITIALIZE_SPECIFIER_TYPE_WITH_DATA is called. */
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214 int extra_data_size;
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215 };
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216
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217 struct Lisp_Specifier
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218 {
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219 struct LCRECORD_HEADER header;
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220 struct specifier_methods *methods;
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221
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222 /* we keep a chained list of all current specifiers, for GC cleanup
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223 purposes. Do NOT mark through this, or specifiers will never
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224 be GC'd. */
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225 Lisp_Object next_specifier;
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226
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227 /* This is a straight list of instantiators. */
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228 Lisp_Object global_specs;
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229
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230 /* These are all assoc lists where the key is the type of object the
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231 list represents (buffer, window, etc.) and the associated list is
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232 the actual list of instantiators. */
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233 Lisp_Object device_specs;
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234 Lisp_Object frame_specs;
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235 /* window_specs is actually a key-assoc weak list. See specifier.c
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236 for an explanation of why (it boils down to the fact that
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237 dead windows can become live again through window configurations).
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238 */
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239 Lisp_Object window_specs;
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240 Lisp_Object buffer_specs;
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241
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242 struct specifier_caching *caching;
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243
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244 /* This can be either nil, for a plain, non-magic specifier object,
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245 t for the normal part of the magic specifier, or #<specifier> for
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246 the ghost part of the magic specifier, a pointer to its parent
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247 object */
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248 Lisp_Object magic_parent;
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249
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250 /* Fallback value. For magic specifiers, it is a pointer to the ghost. */
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251 Lisp_Object fallback;
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252
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253 /* type-specific extra data attached to a specifier */
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254 max_align_t data[1];
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255 };
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256 typedef struct Lisp_Specifier Lisp_Specifier;
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257
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258 DECLARE_LRECORD (specifier, Lisp_Specifier);
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259 #define XSPECIFIER(x) XRECORD (x, specifier, Lisp_Specifier)
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260 #define wrap_specifier(p) wrap_record (p, specifier)
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261 #define SPECIFIERP(x) RECORDP (x, specifier)
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262 #define CHECK_SPECIFIER(x) CHECK_RECORD (x, specifier)
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263 #define CONCHECK_SPECIFIER(x) CONCHECK_RECORD (x, specifier)
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264
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265 /***** Calling a specifier method *****/
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266
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267 #define RAW_SPECMETH(sp, m) ((sp)->methods->m##_method)
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268 #define HAS_SPECMETH_P(sp, m) (!!RAW_SPECMETH (sp, m))
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269 #define SPECMETH(sp, m, args) (((sp)->methods->m##_method) args)
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270
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271 /* Call a void-returning specifier method, if it exists. */
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272 #define MAYBE_SPECMETH(sp, m, args) do { \
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273 Lisp_Specifier *maybe_specmeth_sp = (sp); \
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274 if (HAS_SPECMETH_P (maybe_specmeth_sp, m)) \
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275 SPECMETH (maybe_specmeth_sp, m, args); \
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276 } while (0)
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277
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278 /***** Defining new specifier types *****/
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279
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280 extern const struct sized_memory_description specifier_empty_extra_description;
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281
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282 #ifdef ERROR_CHECK_TYPES
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283 #define DECLARE_SPECIFIER_TYPE(type) \
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284 extern struct specifier_methods * type##_specifier_methods; \
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285 DECLARE_INLINE_HEADER ( \
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286 struct type##_specifier * \
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287 error_check_##type##_specifier_data (Lisp_Specifier *sp) \
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288 ) \
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289 { \
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290 if (SPECIFIERP (sp->magic_parent)) \
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291 { \
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292 assert (SPECIFIER_TYPE_P (sp, type)); \
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293 sp = XSPECIFIER (sp->magic_parent); \
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294 } \
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295 else \
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296 assert (NILP (sp->magic_parent) || EQ (sp->magic_parent, Qt)); \
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297 assert (SPECIFIER_TYPE_P (sp, type)); \
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298 return (struct type##_specifier *) sp->data; \
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299 } \
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300 DECLARE_INLINE_HEADER ( \
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301 Lisp_Specifier * \
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302 error_check_##type##_specifier_type (Lisp_Object obj) \
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303 ) \
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304 { \
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305 Lisp_Specifier *sp = XSPECIFIER (obj); \
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306 assert (SPECIFIER_TYPE_P (sp, type)); \
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307 return sp; \
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308 } \
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309 DECLARE_NOTHING
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310 #else
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311 #define DECLARE_SPECIFIER_TYPE(type) \
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312 extern struct specifier_methods * type##_specifier_methods
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313 #endif /* ERROR_CHECK_TYPES */
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314
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315 #define DEFINE_SPECIFIER_TYPE(type) \
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316 struct specifier_methods * type##_specifier_methods
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317
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318 #define DEFINE_SPECIFIER_TYPE_WITH_DATA(type) \
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319 struct specifier_methods * type##_specifier_methods; \
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320 static const struct sized_memory_description type##_specifier_description_0 \
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321 = { \
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322 sizeof (struct type##_specifier), \
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323 type##_specifier_description \
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324 }
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325
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326 #define INITIALIZE_SPECIFIER_TYPE(type, obj_name, pred_sym) do { \
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327 type##_specifier_methods = xnew_and_zero (struct specifier_methods); \
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328 type##_specifier_methods->name = obj_name; \
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329 type##_specifier_methods->extra_description = \
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330 &specifier_empty_extra_description; \
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331 defsymbol_nodump (&type##_specifier_methods->predicate_symbol, pred_sym); \
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332 add_entry_to_specifier_type_list (Q##type, type##_specifier_methods); \
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diff changeset
333 dump_add_root_block_ptr (&type##_specifier_methods, \
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diff changeset
334 &specifier_methods_description); \
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335 } while (0)
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336
442
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337 #define REINITIALIZE_SPECIFIER_TYPE(type) do { \
428
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338 staticpro_nodump (&type##_specifier_methods->predicate_symbol); \
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339 } while (0)
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340
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341 #define INITIALIZE_SPECIFIER_TYPE_WITH_DATA(type, obj_name, pred_sym) \
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342 do { \
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343 INITIALIZE_SPECIFIER_TYPE (type, obj_name, pred_sym); \
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344 type##_specifier_methods->extra_data_size = \
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345 sizeof (struct type##_specifier); \
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346 type##_specifier_methods->extra_description = \
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347 &type##_specifier_description_0; \
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348 } while (0)
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349
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350 /* Declare that specifier-type TYPE has method METH; used in
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351 initialization routines */
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352 #define SPECIFIER_HAS_METHOD(type, meth) \
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353 (type##_specifier_methods->meth##_method = type##_##meth)
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354
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355 /***** Macros for accessing specifier types *****/
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356
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357 #define SPECIFIER_TYPE_P(sp, type) \
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358 ((sp)->methods == type##_specifier_methods)
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359
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360 /* Any of the two of the magic spec */
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361 #define MAGIC_SPECIFIER_P(sp) (!NILP((sp)->magic_parent))
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362 /* Normal part of the magic specifier */
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363 #define BODILY_SPECIFIER_P(sp) EQ ((sp)->magic_parent, Qt)
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364 /* Ghost part of the magic specifier */
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365 #define GHOST_SPECIFIER_P(sp) SPECIFIERP((sp)->magic_parent)
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366
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367 #define GHOST_SPECIFIER(sp) XSPECIFIER ((sp)->fallback)
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368
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369 #ifdef ERROR_CHECK_TYPES
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370 # define SPECIFIER_TYPE_DATA(sp, type) \
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371 error_check_##type##_specifier_data (sp)
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372 #else
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373 # define SPECIFIER_TYPE_DATA(sp, type) \
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374 ((struct type##_specifier *) \
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375 (GHOST_SPECIFIER_P(sp) \
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376 ? XSPECIFIER((sp)->magic_parent)->data \
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377 : (sp)->data))
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378 #endif
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379
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380 #ifdef ERROR_CHECK_TYPES
438
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381 # define XSPECIFIER_TYPE(x, type) \
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382 error_check_##type##_specifier_type (x)
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383 #else
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384 # define XSPECIFIER_TYPE(x, type) XSPECIFIER (x)
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385 #endif /* ERROR_CHECK_TYPES */
428
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386
442
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387 #define SPECIFIER_TYPEP(x, type) \
428
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388 (SPECIFIERP (x) && SPECIFIER_TYPE_P (XSPECIFIER (x), type))
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389 #define CHECK_SPECIFIER_TYPE(x, type) do { \
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390 CHECK_SPECIFIER (x); \
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391 if (!SPECIFIER_TYPE_P (XSPECIFIER (x), type)) \
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392 dead_wrong_type_argument \
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393 (type##_specifier_methods->predicate_symbol, x); \
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394 } while (0)
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395 #define CONCHECK_SPECIFIER_TYPE(x, type) do { \
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396 CONCHECK_SPECIFIER (x); \
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397 if (!(SPECIFIER_TYPEP (x, type))) \
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398 x = wrong_type_argument \
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399 (type##_specifier_methods->predicate_symbol, x); \
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400 } while (0)
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401
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402 /***** Miscellaneous structures *****/
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403
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404 enum spec_locale_type
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405 {
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406 LOCALE_GLOBAL,
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407 LOCALE_DEVICE,
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408 LOCALE_FRAME,
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409 LOCALE_WINDOW,
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410 LOCALE_BUFFER
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411 };
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412
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413 enum spec_add_meth
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414 {
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415 SPEC_PREPEND,
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416 SPEC_APPEND,
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417 SPEC_REMOVE_TAG_SET_PREPEND,
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418 SPEC_REMOVE_TAG_SET_APPEND,
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419 SPEC_REMOVE_LOCALE,
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420 SPEC_REMOVE_LOCALE_TYPE,
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421 SPEC_REMOVE_ALL
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422 };
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423
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424 struct specifier_caching
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425 {
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426 #ifdef NEW_GC
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427 struct lrecord_header header;
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428 #endif /* NEW_GC */
428
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429 int offset_into_struct_window;
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430 void (*value_changed_in_window) (Lisp_Object specifier, struct window *w,
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431 Lisp_Object oldval);
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432 int offset_into_struct_frame;
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433 void (*value_changed_in_frame) (Lisp_Object specifier, struct frame *f,
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434 Lisp_Object oldval);
444
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435 int always_recompute;
428
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436 };
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437
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438 #ifdef NEW_GC
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439 DECLARE_LRECORD (specifier_caching, struct specifier_caching);
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440 #define XSPECIFIER_CACHING(x) \
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441 XRECORD (x, specifier_caching, struct specifier_caching)
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442 #define wrap_specifier_caching(p) \
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443 wrap_record (p, specifier_caching)
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444 #define SPECIFIER_CACHINGP(x) RECORDP (x, specifier_caching)
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445 #define CHECK_SPECIFIER_CACHING(x) \
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446 CHECK_RECORD (x, specifier_caching)
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447 #define CONCHECK_SPECIFIER_CACHING(x) \
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448 CONCHECK_RECORD (x, specifier_caching)
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449 #endif /* NEW_GC */
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450
442
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451 /* #### get image instances out of domains! */
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452
2500
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453 /* #### I think the following should ABORT() rather than return nil
442
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454 when an invalid domain is given; much more likely we'll catch design
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455 errors early. --ben */
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456
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457 /* This turns out to be used heavily so we make it a macro to make it
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458 inline. Also, the majority of the time the object will turn out to
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459 be a window so we move it from being checked last to being checked
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460 first. */
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461 #define DOMAIN_DEVICE(obj) \
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462 (WINDOWP (obj) ? WINDOW_DEVICE (XWINDOW (obj)) \
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463 : (FRAMEP (obj) ? FRAME_DEVICE (XFRAME (obj)) \
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464 : (DEVICEP (obj) ? obj \
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465 : (IMAGE_INSTANCEP (obj) ? image_instance_device (obj) \
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466 : Qnil))))
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467
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468 #define DOMAIN_FRAME(obj) \
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469 (WINDOWP (obj) ? WINDOW_FRAME (XWINDOW (obj)) \
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470 : (FRAMEP (obj) ? obj \
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471 : (IMAGE_INSTANCEP (obj) ? image_instance_frame (obj) \
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472 : Qnil)))
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473
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474 #define DOMAIN_WINDOW(obj) \
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475 (WINDOWP (obj) ? obj \
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476 : (IMAGE_INSTANCEP (obj) ? image_instance_window (obj) \
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477 : Qnil))
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478
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479 #define DOMAIN_LIVE_P(obj) \
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480 (WINDOWP (obj) ? WINDOW_LIVE_P (XWINDOW (obj)) \
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481 : (FRAMEP (obj) ? FRAME_LIVE_P (XFRAME (obj)) \
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482 : (DEVICEP (obj) ? DEVICE_LIVE_P (XDEVICE (obj)) \
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483 : (IMAGE_INSTANCEP (obj) ? image_instance_live_p (obj) \
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484 : 0))))
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485
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486 #define DOMAIN_XDEVICE(obj) \
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487 (XDEVICE (DOMAIN_DEVICE (obj)))
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488 #define DOMAIN_XFRAME(obj) \
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489 (XFRAME (DOMAIN_FRAME (obj)))
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490 #define DOMAIN_XWINDOW(obj) \
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491 (XWINDOW (DOMAIN_WINDOW (obj)))
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492
428
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493 EXFUN (Fcopy_specifier, 6);
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494 EXFUN (Fmake_specifier, 1);
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495 EXFUN (Fset_specifier_dirty_flag, 1);
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496 EXFUN (Fspecifier_instance, 4);
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497 EXFUN (Fvalid_specifier_locale_p, 1);
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498
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499 extern Lisp_Object Qfallback, Qnatnum;
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500
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501 Lisp_Object make_magic_specifier (Lisp_Object type);
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502 Lisp_Object decode_locale_list (Lisp_Object locale);
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503 extern enum spec_add_meth
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504 decode_how_to_add_specification (Lisp_Object how_to_add);
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505 Lisp_Object decode_specifier_tag_set (Lisp_Object tag_set);
442
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506 Lisp_Object decode_domain (Lisp_Object domain);
428
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507
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508 void add_entry_to_specifier_type_list (Lisp_Object symbol,
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509 struct specifier_methods *meths);
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510 void set_specifier_caching (Lisp_Object specifier,
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511 int struct_window_offset,
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512 void (*value_changed_in_window)
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513 (Lisp_Object specifier, struct window *w,
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514 Lisp_Object oldval),
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515 int struct_frame_offset,
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516 void (*value_changed_in_frame)
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517 (Lisp_Object specifier, struct frame *f,
444
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diff changeset
518 Lisp_Object oldval),
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519 int always_recompute);
428
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520 void set_specifier_fallback (Lisp_Object specifier,
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521 Lisp_Object fallback);
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522 void recompute_all_cached_specifiers_in_window (struct window *w);
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523 void recompute_all_cached_specifiers_in_frame (struct frame *f);
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524
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525 /* Counterparts of Fadd_spec_to_specifier and Fremove_specifier, which
3ecd8885ac67 Import from CVS: tag r21-2-22
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526 operate directly on ghost objects given a magic specifier. */
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527 void add_spec_to_ghost_specifier (Lisp_Object specifier, Lisp_Object instantiator,
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528 Lisp_Object locale, Lisp_Object tag_set,
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529 Lisp_Object how_to_add);
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530 void remove_ghost_specifier (Lisp_Object specifier, Lisp_Object locale,
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531 Lisp_Object tag_set, Lisp_Object exact_p);
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532
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533 int unlock_ghost_specifiers_protected (void);
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534
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535 void cleanup_specifiers (void);
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536 void prune_specifiers (void);
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537 void setup_device_initial_specifier_tags (struct device *d);
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538 void setup_charset_initial_specifier_tags (Lisp_Object charset);
428
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539 void kill_specifier_buffer_locals (Lisp_Object buffer);
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540
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541 DECLARE_SPECIFIER_TYPE (generic);
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542 #define XGENERIC_SPECIFIER(x) XSPECIFIER_TYPE (x, generic)
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543 #define GENERIC_SPECIFIERP(x) SPECIFIER_TYPEP (x, generic)
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544 #define CHECK_GENERIC_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, generic)
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545 #define CONCHECK_GENERIC_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, generic)
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546
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diff changeset
547 DECLARE_SPECIFIER_TYPE (integer);
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548 #define XINTEGER_SPECIFIER(x) XSPECIFIER_TYPE (x, integer)
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549 #define INTEGER_SPECIFIERP(x) SPECIFIER_TYPEP (x, integer)
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550 #define CHECK_INTEGER_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, integer)
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551 #define CONCHECK_INTEGER_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, integer)
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552
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553 DECLARE_SPECIFIER_TYPE (natnum);
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554 #define XNATNUM_SPECIFIER(x) XSPECIFIER_TYPE (x, natnum)
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555 #define NATNUM_SPECIFIERP(x) SPECIFIER_TYPEP (x, natnum)
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556 #define CHECK_NATNUM_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, natnum)
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557 #define CONCHECK_NATNUM_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, natnum)
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558
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559 DECLARE_SPECIFIER_TYPE (boolean);
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560 #define XBOOLEAN_SPECIFIER(x) XSPECIFIER_TYPE (x, boolean)
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561 #define BOOLEAN_SPECIFIERP(x) SPECIFIER_TYPEP (x, boolean)
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562 #define CHECK_BOOLEAN_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, boolean)
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563 #define CONCHECK_BOOLEAN_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, boolean)
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564
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565 DECLARE_SPECIFIER_TYPE (display_table);
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566 #define XDISPLAYTABLE_SPECIFIER(x) XSPECIFIER_TYPE (x, display_table)
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567 #define DISPLAYTABLE_SPECIFIERP(x) SPECIFIER_TYPEP (x, display_table)
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568 #define CHECK_DISPLAYTABLE_SPECIFIER(x) CHECK_SPECIFIER_TYPE (x, display_table)
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569 #define CONCHECK_DISPLAYTABLE_SPECIFIER(x) CONCHECK_SPECIFIER_TYPE (x, display_table)
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570
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diff changeset
571 /* The various stages of font instantiation; initial means "find a font for
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diff changeset
572 CHARSET that matches the charset's registries" and final means "find a
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573 font for CHARSET that matches iso10646-1, since we haven't found a font
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574 that matches its registry." */
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575 enum font_specifier_matchspec_stages {
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576 initial,
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577 final,
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578 impossible,
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579 };
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580
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diff changeset
581 Lisp_Object define_specifier_tag(Lisp_Object tag,
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diff changeset
582 Lisp_Object device_predicate,
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diff changeset
583 Lisp_Object charset_predicate);
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584
440
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585 #endif /* INCLUDED_specifier_h_ */