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https://github.com/jerryscript-project/jerryscript.git
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fd9ff8e3bd
Add utf-8 processing routines. Change ecma_char_t from char/uint16_t to uint16_t. Apply all utf-8 processing routines. Change char to jerry_api_char in API functions' declarations. JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com
92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/* Copyright 2015 Samsung Electronics Co., Ltd.
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* Copyright 2015 University of Szeged.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef RE_PARSER_H
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#define RE_PARSER_H
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#ifndef CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN
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#include "opcodes-dumper.h"
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typedef uint8_t token_type_t;
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#define RE_TOK_EOF 0 /* EOF */
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#define RE_TOK_BACKREFERENCE 1 /* \[0..9] */
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#define RE_TOK_CHAR 2 /* any character */
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#define RE_TOK_ALTERNATIVE 3 /* | */
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#define RE_TOK_ASSERT_START 4 /* ^ */
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#define RE_TOK_ASSERT_END 5 /* $ */
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#define RE_TOK_PERIOD 6 /* . */
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#define RE_TOK_START_CAPTURE_GROUP 7 /* ( */
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#define RE_TOK_START_NON_CAPTURE_GROUP 8 /* (?: */
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#define RE_TOK_END_GROUP 9 /* ')' */
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#define RE_TOK_ASSERT_START_POS_LOOKAHEAD 10 /* (?= */
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#define RE_TOK_ASSERT_START_NEG_LOOKAHEAD 11 /* (?! */
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#define RE_TOK_ASSERT_WORD_BOUNDARY 12 /* \b */
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#define RE_TOK_ASSERT_NOT_WORD_BOUNDARY 13 /* \B */
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#define RE_TOK_DIGIT 14 /* \d */
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#define RE_TOK_NOT_DIGIT 15 /* \D */
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#define RE_TOK_WHITE 16 /* \s */
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#define RE_TOK_NOT_WHITE 17 /* \S */
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#define RE_TOK_WORD_CHAR 18 /* \w */
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#define RE_TOK_NOT_WORD_CHAR 19 /* \W */
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#define RE_TOK_START_CHAR_CLASS 20 /* [ ] */
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#define RE_TOK_START_INV_CHAR_CLASS 21 /* [^ ] */
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#define RE_ITERATOR_INFINITE ((uint32_t)-1)
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#define RE_MAX_RE_DECESC_DIGITS 9
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/* FIXME: depends on unicode support */
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#define RE_CHAR_UNDEF ((ecma_char_t)-1)
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#define RE_CONTROL_CHAR_NUL 0x0000 /* \0 */
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#define RE_CONTROL_CHAR_BEL 0x0008 /* \b */
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#define RE_CONTROL_CHAR_TAB 0x0009 /* \t */
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#define RE_CONTROL_CHAR_EOL 0x000a /* \n */
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#define RE_CONTROL_CHAR_VT 0x000b /* \v */
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#define RE_CONTROL_CHAR_FF 0x000c /* \f */
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#define RE_CONTROL_CHAR_CR 0x000d /* \r */
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typedef struct
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{
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token_type_t type;
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uint32_t value;
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uint32_t qmin;
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uint32_t qmax;
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bool greedy;
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} re_token_t;
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typedef struct
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{
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lit_utf8_byte_t *pattern_start_p;
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lit_utf8_byte_t *current_char_p;
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int num_of_groups;
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uint32_t num_of_classes;
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} re_parser_ctx_t;
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typedef void (*re_char_class_callback) (void *re_ctx_p, uint32_t start, uint32_t end);
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ecma_completion_value_t
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re_parse_char_class (re_parser_ctx_t *parser_ctx_p,
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re_char_class_callback append_char_class,
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void *re_ctx_p, re_token_t *out_token_p);
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ecma_completion_value_t
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re_parse_next_token (re_parser_ctx_t *parser_ctx_p, re_token_t *out_token_p);
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#endif /* CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN */
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#endif /* RE_PARSER_H */
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