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annotate src/extents.h @ 5697:40fbceabaafd
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| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Mon, 24 Dec 2012 03:08:33 +0900 |
| parents | 308d34e9f07d |
| children | a1808d52a34a |
| rev | line source |
|---|---|
| 428 | 1 /* Copyright (c) 1994, 1995 Free Software Foundation. |
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2 Copyright (c) 1995, 1996, 2002, 2010 Ben Wing. |
| 428 | 3 |
| 4 This file is part of XEmacs. | |
| 5 | |
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6 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation, either version 3 of the License, or (at your |
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9 option) any later version. |
| 428 | 10 |
| 11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
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17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 18 |
| 19 /* Synched up with: Not in FSF. */ | |
| 20 | |
| 440 | 21 #ifndef INCLUDED_extents_h_ |
| 22 #define INCLUDED_extents_h_ | |
| 428 | 23 |
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24 DECLARE_LISP_OBJECT (extent, struct extent); |
| 428 | 25 #define XEXTENT(x) XRECORD (x, extent, struct extent) |
| 617 | 26 #define wrap_extent(p) wrap_record (p, extent) |
| 428 | 27 #define EXTENTP(x) RECORDP (x, extent) |
| 28 #define CHECK_EXTENT(x) CHECK_RECORD (x, extent) | |
| 29 #define CONCHECK_EXTENT(x) CONCHECK_RECORD (x, extent) | |
| 30 | |
| 872 | 31 struct extent_auxiliary; |
| 428 | 32 |
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33 DECLARE_LISP_OBJECT (extent_auxiliary, struct extent_auxiliary); |
| 428 | 34 #define XEXTENT_AUXILIARY(x) \ |
| 35 XRECORD (x, extent_auxiliary, struct extent_auxiliary) | |
| 617 | 36 #define wrap_extent_auxiliary(p) wrap_record (p, extent_auxiliary) |
| 428 | 37 #define EXTENT_AUXILIARYP(x) RECORDP (x, extent_auxiliary) |
| 38 #define CHECK_EXTENT_AUXILIARY(x) CHECK_RECORD (x, extent_auxiliary) | |
| 39 #define CONCHECK_EXTENT_AUXILIARY(x) CONCHECK_RECORD (x, extent_auxiliary) | |
| 40 | |
| 872 | 41 struct extent_info; |
| 428 | 42 |
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43 DECLARE_LISP_OBJECT (extent_info, struct extent_info); |
| 428 | 44 #define XEXTENT_INFO(x) XRECORD (x, extent_info, struct extent_info) |
| 617 | 45 #define wrap_extent_info(p) wrap_record (p, extent_info) |
| 428 | 46 #define EXTENT_INFOP(x) RECORDP (x, extent_info) |
| 47 #define CHECK_EXTENT_INFO(x) CHECK_RECORD (x, extent_info) | |
| 48 #define CONCHECK_EXTENT_INFO(x) CONCHECK_RECORD (x, extent_info) | |
| 49 | |
| 3092 | 50 #ifdef NEW_GC |
| 51 struct extent_list_marker; | |
| 52 | |
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53 DECLARE_LISP_OBJECT (extent_list_marker, struct extent_list_marker); |
| 3092 | 54 #define XEXTENT_LIST_MARKER(x) \ |
| 55 XRECORD (x, extent_list_marker, struct extent_list_marker) | |
| 56 #define wrap_extent_list_marker(p) wrap_record (p, extent_list_marker) | |
| 57 #define EXTENT_LIST_MARKERP(x) RECORDP (x, extent_list_marker) | |
| 58 #define CHECK_EXTENT_LIST_MARKER(x) CHECK_RECORD (x, extent_list_marker) | |
| 59 #define CONCHECK_EXTENT_LIST_MARKER(x) CONCHECK_RECORD (x, extent_list_marker) | |
| 60 | |
| 61 struct extent_list; | |
| 62 | |
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63 DECLARE_LISP_OBJECT (extent_list, struct extent_list); |
| 3092 | 64 #define XEXTENT_LIST(x) XRECORD (x, extent_list, struct extent_list) |
| 65 #define wrap_extent_list(p) wrap_record (p, extent_list) | |
| 66 #define EXTENT_LISTP(x) RECORDP (x, extent_list) | |
| 67 #define CHECK_EXTENT_LIST(x) CHECK_RECORD (x, extent_list) | |
| 68 #define CONCHECK_EXTENT_LIST(x) CONCHECK_RECORD (x, extent_list) | |
| 69 | |
| 70 struct stack_of_extents; | |
| 71 | |
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72 DECLARE_LISP_OBJECT (stack_of_extents, struct stack_of_extents); |
| 3092 | 73 #define XSTACK_OF_EXTENTS(x) \ |
| 74 XRECORD (x, stack_of_extents, struct stack_of_extents) | |
| 75 #define wrap_stack_of_extents(p) wrap_record (p, stack_of_extents) | |
| 76 #define STACK_OF_EXTENTSP(x) RECORDP (x, stack_of_extents) | |
| 77 #define CHECK_STACK_OF_EXTENTS(x) CHECK_RECORD (x, stack_of_extents) | |
| 78 #define CONCHECK_STACK_OF_EXTENTS(x) CONCHECK_RECORD (x, stack_of_extents) | |
| 79 #endif /* NEW_GC */ | |
| 80 | |
| 872 | 81 /* the layouts for glyphs (extent->flags.glyph_layout). Must fit in 2 bits. */ |
| 82 typedef enum glyph_layout | |
| 826 | 83 { |
| 872 | 84 GL_TEXT, |
| 85 GL_OUTSIDE_MARGIN, | |
| 86 GL_INSIDE_MARGIN, | |
| 87 GL_WHITESPACE | |
| 88 } glyph_layout; | |
| 428 | 89 |
| 872 | 90 struct extent; |
| 428 | 91 |
| 872 | 92 void set_extent_endpoints (EXTENT extent, Bytexpos s, Bytexpos e, |
| 93 Lisp_Object object); | |
| 428 | 94 |
| 872 | 95 |
| 96 void flush_cached_extent_info (Lisp_Object extent_info); | |
| 647 | 97 |
| 826 | 98 void set_extent_glyph (EXTENT extent, Lisp_Object glyph, int endp, |
| 99 glyph_layout layout); | |
| 100 | |
| 428 | 101 |
| 102 /* flags for map_extents() and friends */ | |
| 103 #define ME_END_CLOSED (1 << 0) | |
| 104 #define ME_START_OPEN (1 << 1) | |
| 105 #define ME_ALL_EXTENTS_CLOSED (1 << 2) | |
| 106 #define ME_ALL_EXTENTS_OPEN (2 << 2) | |
| 107 #define ME_ALL_EXTENTS_CLOSED_OPEN (3 << 2) | |
| 108 #define ME_ALL_EXTENTS_OPEN_CLOSED (4 << 2) | |
| 109 #define ME_ALL_EXTENTS_MASK (7 << 2) | |
| 110 #define ME_START_IN_REGION (1 << 5) | |
| 111 #define ME_END_IN_REGION (2 << 5) | |
| 112 #define ME_START_AND_END_IN_REGION (3 << 5) | |
| 113 #define ME_START_OR_END_IN_REGION (4 << 5) | |
| 114 #define ME_IN_REGION_MASK (7 << 5) | |
| 115 #define ME_NEGATE_IN_REGION (1 << 8) | |
| 116 /* the following flags are internal-only */ | |
| 117 #define ME_INCLUDE_INTERNAL (1 << 9) | |
| 118 #define ME_MIGHT_THROW (1 << 10) | |
| 119 #define ME_MIGHT_MODIFY_TEXT (1 << 11) | |
| 120 #define ME_MIGHT_MODIFY_EXTENTS (1 << 12) | |
| 121 #define ME_MIGHT_MOVE_SOE (1 << 13) | |
| 122 #define ME_MIGHT_CALL_ELISP (ME_MIGHT_THROW | ME_MIGHT_MODIFY_TEXT | \ | |
| 123 ME_MIGHT_MODIFY_EXTENTS | ME_MIGHT_MOVE_SOE) | |
| 124 | |
| 125 | |
| 126 extern int inside_undo; | |
| 442 | 127 extern int in_modeline_generation; |
| 428 | 128 |
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129 extern Fixnum mouse_highlight_priority; |
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130 |
| 872 | 131 EXFUN (Fextent_at, 5); |
| 132 EXFUN (Fextent_property, 3); | |
| 133 EXFUN (Fput_text_property, 5); | |
| 134 | |
| 135 EXFUN (Fdetach_extent, 1); | |
| 136 EXFUN (Fextent_end_position, 1); | |
| 137 EXFUN (Fextent_object, 1); | |
| 138 EXFUN (Fextent_properties, 1); | |
| 139 EXFUN (Fextent_start_position, 1); | |
| 140 EXFUN (Fget_char_property, 4); | |
| 141 EXFUN (Fmake_extent, 3); | |
| 142 EXFUN (Fnext_extent_change, 2); | |
| 143 EXFUN (Fprevious_extent_change, 2); | |
| 2506 | 144 EXFUN (Fprevious_single_char_property_change, 4); |
| 872 | 145 EXFUN (Fset_extent_endpoints, 4); |
| 146 EXFUN (Fset_extent_parent, 2); | |
| 147 EXFUN (Fset_extent_property, 3); | |
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148 EXFUN (Fset_extent_priority, 2); |
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149 EXFUN (Fset_extent_face, 2); |
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150 EXFUN (Fmap_extents, 8); |
| 872 | 151 |
| 152 enum extent_at_flag | |
| 153 { | |
| 154 EXTENT_AT_DEFAULT = 0, | |
| 155 EXTENT_AT_AFTER = 0, | |
| 156 EXTENT_AT_BEFORE, | |
| 157 EXTENT_AT_AT | |
| 158 }; | |
| 159 | |
| 160 Bytexpos extent_endpoint_byte (EXTENT extent, int endp); | |
| 161 Charxpos extent_endpoint_char (EXTENT extent, int endp); | |
| 2506 | 162 Bytexpos next_previous_single_property_change (Bytexpos pos, Lisp_Object prop, |
| 163 Lisp_Object object, | |
| 164 Bytexpos limit, | |
| 165 Boolint next, | |
| 166 Boolint text_props_only); | |
| 872 | 167 Lisp_Object get_char_property (Bytexpos position, Lisp_Object prop, |
| 168 Lisp_Object object, enum extent_at_flag fl, | |
| 169 int text_props_only); | |
| 170 void adjust_extents (Lisp_Object object, Memxpos from, | |
| 171 Memxpos to, int amount); | |
| 172 void adjust_extents_for_deletion (Lisp_Object object, Bytexpos from, | |
| 173 Bytexpos to, int gapsize, | |
| 174 int numdel, int movegapsize); | |
| 175 void verify_extent_modification (Lisp_Object object, Bytexpos from, | |
| 176 Bytexpos to, | |
| 177 Lisp_Object inhibit_read_only_value); | |
| 178 void process_extents_for_insertion (Lisp_Object object, | |
| 179 Bytexpos opoint, Bytecount length); | |
| 180 void process_extents_for_deletion (Lisp_Object object, Bytexpos from, | |
| 181 Bytexpos to, int destroy_them); | |
| 182 /* Note the following function is in Charbpos's */ | |
| 183 void report_extent_modification (Lisp_Object buffer, Charbpos start, | |
| 184 Charbpos end, int afterp); | |
| 185 void add_string_extents (Lisp_Object string, struct buffer *buf, | |
| 186 Bytexpos opoint, Bytecount length); | |
| 187 void splice_in_string_extents (Lisp_Object string, struct buffer *buf, | |
| 188 Bytexpos opoint, Bytecount length, | |
| 189 Bytecount pos); | |
| 190 void copy_string_extents (Lisp_Object new_string, | |
| 191 Lisp_Object old_string, | |
| 192 Bytecount new_pos, Bytecount old_pos, | |
| 193 Bytecount length); | |
| 194 void detach_all_extents (Lisp_Object object); | |
| 195 Lisp_Object extent_at (Bytexpos position, Lisp_Object object, | |
| 196 Lisp_Object property, EXTENT before, | |
| 197 enum extent_at_flag at_flag, int all_extents); | |
| 198 | |
| 199 | |
| 428 | 200 struct extent_fragment *extent_fragment_new (Lisp_Object buffer_or_string, |
| 201 struct frame *frm); | |
| 202 face_index extent_fragment_update (struct window *w, | |
| 203 struct extent_fragment *ef, | |
| 826 | 204 Bytexpos pos, Lisp_Object last_glyph); |
| 428 | 205 void extent_fragment_delete (struct extent_fragment *ef); |
| 206 | |
| 207 /* from alloc.c */ | |
| 208 struct extent *allocate_extent (void); | |
| 209 | |
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210 void attach_extent_auxiliary (EXTENT ext); |
| 428 | 211 void init_buffer_extents (struct buffer *b); |
| 212 void uninit_buffer_extents (struct buffer *b); | |
| 213 | |
| 214 #ifdef ERROR_CHECK_EXTENTS | |
| 215 void sledgehammer_extent_check (Lisp_Object obj); | |
| 216 #endif | |
| 217 | |
| 218 #ifdef MEMORY_USAGE_STATS | |
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219 Bytecount compute_buffer_extent_usage (struct buffer *b); |
| 428 | 220 #endif |
| 221 | |
| 440 | 222 #endif /* INCLUDED_extents_h_ */ |