Mercurial > hg > xemacs-beta
comparison src/syntax.h @ 3092:141c2920ea48
[xemacs-hg @ 2005-11-25 01:41:31 by crestani]
Incremental Garbage Collector
| author | crestani |
|---|---|
| date | Fri, 25 Nov 2005 01:42:08 +0000 |
| parents | 70921960b980 |
| children | 2b8bb4938bb4 |
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| 3091:c22d8984148c | 3092:141c2920ea48 |
|---|---|
| 293 syntax-table property changes (i.e. not every position), and when we do | 293 syntax-table property changes (i.e. not every position), and when we do |
| 294 need to recalculate, we can update the info from the previous info | 294 need to recalculate, we can update the info from the previous info |
| 295 faster than if we did the whole calculation from scratch. */ | 295 faster than if we did the whole calculation from scratch. */ |
| 296 struct syntax_cache | 296 struct syntax_cache |
| 297 { | 297 { |
| 298 #ifdef NEW_GC | |
| 299 struct lrecord_header header; | |
| 300 #endif /* NEW_GC */ | |
| 298 int use_code; /* Whether to use syntax_code or | 301 int use_code; /* Whether to use syntax_code or |
| 299 syntax_table. This is set | 302 syntax_table. This is set |
| 300 depending on whether the | 303 depending on whether the |
| 301 syntax-table property is a | 304 syntax-table property is a |
| 302 syntax table or a syntax | 305 syntax table or a syntax |
| 331 change. */ | 334 change. */ |
| 332 Charxpos prev_change; /* Position of the previous extent | 335 Charxpos prev_change; /* Position of the previous extent |
| 333 change. */ | 336 change. */ |
| 334 }; | 337 }; |
| 335 | 338 |
| 339 #ifdef NEW_GC | |
| 340 typedef struct syntax_cache Lisp_Syntax_Cache; | |
| 341 | |
| 342 DECLARE_LRECORD (syntax_cache, Lisp_Syntax_Cache); | |
| 343 | |
| 344 #define XSYNTAX_CACHE(x) \ | |
| 345 XRECORD (x, syntax_cache, Lisp_Syntax_Cache) | |
| 346 #define wrap_syntax_cache(p) wrap_record (p, syntax_cache) | |
| 347 #define SYNTAX_CACHE_P(x) RECORDP (x, syntax_cache) | |
| 348 #define CHECK_SYNTAX_CACHE(x) CHECK_RECORD (x, syntax_cache) | |
| 349 #define CONCHECK_SYNTAX_CACHE(x) CONCHECK_RECORD (x, syntax_cache) | |
| 350 #endif /* NEW_GC */ | |
| 351 | |
| 352 | |
| 353 | |
| 336 extern const struct sized_memory_description syntax_cache_description; | 354 extern const struct sized_memory_description syntax_cache_description; |
| 337 | 355 |
| 338 /* Note that the external interface to the syntax-cache uses charpos's, but | 356 /* Note that the external interface to the syntax-cache uses charpos's, but |
| 339 intnernally we use bytepos's, for speed. */ | 357 intnernally we use bytepos's, for speed. */ |
| 340 | 358 |