mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
7aacb8fc01
Related issue: #388 JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/* Copyright 2015 Samsung Electronics Co., Ltd.
|
|
* Copyright 2015 University of Szeged.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef RE_COMPILER_H
|
|
#define RE_COMPILER_H
|
|
|
|
#ifndef CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN
|
|
|
|
#include "ecma-globals.h"
|
|
#include "re-parser.h"
|
|
|
|
/**
|
|
* RegExp opcodes
|
|
*/
|
|
typedef enum
|
|
{
|
|
RE_OP_EOF,
|
|
/* Group opcode order is important, because RE_IS_CAPTURE_GROUP is based on it.
|
|
* Change it carefully. Capture opcodes should be at first.
|
|
*/
|
|
RE_OP_CAPTURE_GROUP_START,
|
|
RE_OP_CAPTURE_GREEDY_ZERO_GROUP_START,
|
|
RE_OP_CAPTURE_NON_GREEDY_ZERO_GROUP_START,
|
|
RE_OP_CAPTURE_GREEDY_GROUP_END,
|
|
RE_OP_CAPTURE_NON_GREEDY_GROUP_END,
|
|
RE_OP_NON_CAPTURE_GROUP_START,
|
|
RE_OP_NON_CAPTURE_GREEDY_ZERO_GROUP_START,
|
|
RE_OP_NON_CAPTURE_NON_GREEDY_ZERO_GROUP_START,
|
|
RE_OP_NON_CAPTURE_GREEDY_GROUP_END,
|
|
RE_OP_NON_CAPTURE_NON_GREEDY_GROUP_END,
|
|
|
|
RE_OP_MATCH,
|
|
RE_OP_CHAR,
|
|
RE_OP_SAVE_AT_START,
|
|
RE_OP_SAVE_AND_MATCH,
|
|
RE_OP_PERIOD,
|
|
RE_OP_ALTERNATIVE,
|
|
RE_OP_GREEDY_ITERATOR,
|
|
RE_OP_NON_GREEDY_ITERATOR,
|
|
RE_OP_ASSERT_START,
|
|
RE_OP_ASSERT_END,
|
|
RE_OP_ASSERT_WORD_BOUNDARY,
|
|
RE_OP_ASSERT_NOT_WORD_BOUNDARY,
|
|
RE_OP_LOOKAHEAD_POS,
|
|
RE_OP_LOOKAHEAD_NEG,
|
|
RE_OP_BACKREFERENCE,
|
|
RE_OP_CHAR_CLASS,
|
|
RE_OP_INV_CHAR_CLASS
|
|
} re_opcode_t;
|
|
|
|
/**
|
|
* Check if a RegExp opcode is a capture group or not
|
|
*/
|
|
#define RE_IS_CAPTURE_GROUP(x) (((x) < RE_OP_NON_CAPTURE_GROUP_START) ? 1 : 0)
|
|
|
|
/**
|
|
* Type of bytecode elements
|
|
*/
|
|
typedef uint8_t re_bytecode_t;
|
|
|
|
/**
|
|
* Context of RegExp bytecode container
|
|
*/
|
|
typedef struct
|
|
{
|
|
re_bytecode_t *block_start_p; /**< start of bytecode block */
|
|
re_bytecode_t *block_end_p; /**< end of bytecode block */
|
|
re_bytecode_t *current_p; /**< current position in bytecode */
|
|
} re_bytecode_ctx_t;
|
|
|
|
/**
|
|
* Context of RegExp compiler
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint8_t flags; /**< RegExp flags */
|
|
uint32_t num_of_captures; /**< number of capture groups */
|
|
uint32_t num_of_non_captures; /**< number of non-capture groups */
|
|
uint32_t highest_backref; /**< highest backreference */
|
|
re_bytecode_ctx_t *bytecode_ctx_p; /**< pointer of RegExp bytecode context */
|
|
re_token_t current_token; /**< current token */
|
|
re_parser_ctx_t *parser_ctx_p; /**< pointer of RegExp parser context */
|
|
} re_compiler_ctx_t;
|
|
|
|
ecma_completion_value_t
|
|
re_compile_bytecode (ecma_property_t *bytecode_p, ecma_string_t *pattern_str_p, uint8_t flags);
|
|
|
|
re_opcode_t
|
|
re_get_opcode (re_bytecode_t **bc_p);
|
|
|
|
uint32_t
|
|
re_get_value (re_bytecode_t **bc_p);
|
|
|
|
#endif /* CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN */
|
|
#endif /* RE_COMPILER_H */
|