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duktape.c  view on Meta::CPAN

#define DUK_STRIDX_STATIC                                             165                            /* 'static' */
#define DUK_HEAP_STRING_STATIC(heap)                                  DUK_HEAP_GET_STRING((heap),DUK_STRIDX_STATIC)
#define DUK_HTHREAD_STRING_STATIC(thr)                                DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_STATIC)
#define DUK_STRIDX_YIELD                                              166                            /* 'yield' */
#define DUK_HEAP_STRING_YIELD(heap)                                   DUK_HEAP_GET_STRING((heap),DUK_STRIDX_YIELD)
#define DUK_HTHREAD_STRING_YIELD(thr)                                 DUK_HTHREAD_GET_STRING((thr),DUK_STRIDX_YIELD)

#define DUK_HEAP_NUM_STRINGS                                          167
#define DUK_STRIDX_START_RESERVED                                     122
#define DUK_STRIDX_START_STRICT_RESERVED                              158
#define DUK_STRIDX_END_RESERVED                                       167                            /* exclusive endpoint */

/* To convert a heap stridx to a token number, subtract
 * DUK_STRIDX_START_RESERVED and add DUK_TOK_START_RESERVED.
 */
#if !defined(DUK_SINGLE_FILE)
DUK_INTERNAL_DECL const duk_uint8_t duk_strings_data[972];
#endif  /* !DUK_SINGLE_FILE */
#define DUK_STRDATA_MAX_STRLEN                                        27
#define DUK_STRDATA_DATA_LENGTH                                       972
#endif  /* DUK_USE_ROM_STRINGS */

duktape.c  view on Meta::CPAN

 *
 *  Avoid using the string cache if possible: for ASCII strings byte and
 *  char offsets are equal and for short strings direct scanning may be
 *  better than using the string cache (which may evict a more important
 *  entry).
 *
 *  Typing now assumes 32-bit string byte/char offsets (duk_uint_fast32_t).
 *  Better typing might be to use duk_size_t.
 *
 *  Caller should ensure 'char_offset' is within the string bounds [0,charlen]
 *  (endpoint is inclusive).  If this is not the case, no memory unsafe
 *  behavior will happen but an error will be thrown.
 */

DUK_INTERNAL duk_uint_fast32_t duk_heap_strcache_offset_char2byte(duk_hthread *thr, duk_hstring *h, duk_uint_fast32_t char_offset) {
	duk_heap *heap;
	duk_strcache_entry *sce;
	duk_uint_fast32_t byte_offset;
	duk_uint_t i;
	duk_bool_t use_cache;
	duk_uint_fast32_t dist_start, dist_end, dist_sce;