mirror of
https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
#ifndef COSMOPOLITAN_THIRD_PARTY_QUICKJS_LIBREGEXP_H_
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#define COSMOPOLITAN_THIRD_PARTY_QUICKJS_LIBREGEXP_H_
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#include "third_party/quickjs/libunicode.h"
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COSMOPOLITAN_C_START_
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#define LRE_BOOL int /* for documentation purposes */
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#define LRE_FLAG_GLOBAL (1 << 0)
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#define LRE_FLAG_IGNORECASE (1 << 1)
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#define LRE_FLAG_MULTILINE (1 << 2)
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#define LRE_FLAG_DOTALL (1 << 3)
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#define LRE_FLAG_UTF16 (1 << 4)
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#define LRE_FLAG_STICKY (1 << 5)
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#define LRE_FLAG_NAMED_GROUPS (1 << 7) /* named groups are present in the regexp */
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uint8_t *lre_compile(int *plen, char *error_msg, int error_msg_size,
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const char *buf, size_t buf_len, int re_flags,
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void *opaque);
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int lre_get_capture_count(const uint8_t *bc_buf);
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int lre_get_flags(const uint8_t *bc_buf);
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const char *lre_get_groupnames(const uint8_t *bc_buf);
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int lre_exec(uint8_t **capture,
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const uint8_t *bc_buf, const uint8_t *cbuf, int cindex, int clen,
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int cbuf_type, void *opaque);
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int lre_parse_escape(const uint8_t **pp, int allow_utf16);
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LRE_BOOL lre_is_space(int c);
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/* must be provided by the user */
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LRE_BOOL lre_check_stack_overflow(void *opaque, size_t alloca_size);
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void *lre_realloc(void *opaque, void *ptr, size_t size);
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/* JS identifier test */
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extern uint32_t const lre_id_start_table_ascii[4];
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extern uint32_t const lre_id_continue_table_ascii[4];
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static inline int lre_js_is_ident_first(int c)
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{
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if ((uint32_t)c < 128) {
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return (lre_id_start_table_ascii[c >> 5] >> (c & 31)) & 1;
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} else {
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#ifdef CONFIG_ALL_UNICODE
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return lre_is_id_start(c);
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#else
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return !lre_is_space(c);
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#endif
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}
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}
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static inline int lre_js_is_ident_next(int c)
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{
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if ((uint32_t)c < 128) {
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return (lre_id_continue_table_ascii[c >> 5] >> (c & 31)) & 1;
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} else {
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/* ZWNJ and ZWJ are accepted in identifiers */
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#ifdef CONFIG_ALL_UNICODE
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return lre_is_id_continue(c) || c == 0x200C || c == 0x200D;
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#else
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return !lre_is_space(c) || c == 0x200C || c == 0x200D;
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#endif
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}
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}
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#undef LRE_BOOL
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/* clang-format on */
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_THIRD_PARTY_QUICKJS_LIBREGEXP_H_ */
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