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https://github.com/jerryscript-project/jerryscript.git
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4ffcb4d464
JerryScript-DCO-1.0-Signed-off-by: Szilard Ledan szledan.u-szeged@partner.samsung.com JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
109 lines
3.9 KiB
C
109 lines
3.9 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_COMPILER_H
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#define RE_COMPILER_H
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#ifndef CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN
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#include "ecma-globals.h"
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#include "re-parser.h"
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/* RegExp opcodes
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* Group opcode order is important, because RE_IS_CAPTURE_GROUP is based on it.
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* Change it carfully. Capture opcodes should be at first.
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*/
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#define RE_OP_EOF 0
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#define RE_OP_CAPTURE_GROUP_START 1
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#define RE_OP_CAPTURE_GREEDY_ZERO_GROUP_START 2
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#define RE_OP_CAPTURE_NON_GREEDY_ZERO_GROUP_START 3
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#define RE_OP_CAPTURE_GREEDY_GROUP_END 4
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#define RE_OP_CAPTURE_NON_GREEDY_GROUP_END 5
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#define RE_OP_NON_CAPTURE_GROUP_START 6
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#define RE_OP_NON_CAPTURE_GREEDY_ZERO_GROUP_START 7
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#define RE_OP_NON_CAPTURE_NON_GREEDY_ZERO_GROUP_START 8
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#define RE_OP_NON_CAPTURE_GREEDY_GROUP_END 9
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#define RE_OP_NON_CAPTURE_NON_GREEDY_GROUP_END 10
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#define RE_OP_MATCH 11
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#define RE_OP_CHAR 12
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#define RE_OP_SAVE_AT_START 13
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#define RE_OP_SAVE_AND_MATCH 14
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#define RE_OP_PERIOD 15
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#define RE_OP_ALTERNATIVE 16
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#define RE_OP_GREEDY_ITERATOR 17
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#define RE_OP_NON_GREEDY_ITERATOR 18
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#define RE_OP_ASSERT_START 19
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#define RE_OP_ASSERT_END 20
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#define RE_OP_ASSERT_WORD_BOUNDARY 21
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#define RE_OP_ASSERT_NOT_WORD_BOUNDARY 22
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#define RE_OP_LOOKAHEAD_POS 23
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#define RE_OP_LOOKAHEAD_NEG 24
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#define RE_OP_BACKREFERENCE 25
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#define RE_OP_CHAR_CLASS 26
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#define RE_OP_INV_CHAR_CLASS 27
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#define RE_COMPILE_RECURSION_LIMIT 100
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#define RE_IS_CAPTURE_GROUP(x) (((x) < RE_OP_NON_CAPTURE_GROUP_START) ? 1 : 0)
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typedef uint8_t re_opcode_t; /* type of RegExp opcodes */
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typedef uint8_t re_bytecode_t; /* type of standard bytecode elements (ex.: opcode parameters) */
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/**
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* Context of RegExp bytecode container
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*
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* FIXME:
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* Add comments with description of the structure members
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*/
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typedef struct
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{
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re_bytecode_t *block_start_p;
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re_bytecode_t *block_end_p;
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re_bytecode_t *current_p;
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} re_bytecode_ctx_t;
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/**
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* Context of RegExp compiler
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*
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* FIXME:
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* Add comments with description of the structure members
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*/
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typedef struct
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{
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uint8_t flags;
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uint32_t recursion_depth;
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uint32_t num_of_captures;
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uint32_t num_of_non_captures;
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uint32_t highest_backref;
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re_bytecode_ctx_t *bytecode_ctx_p;
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re_token_t current_token;
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re_parser_ctx_t *parser_ctx_p;
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} re_compiler_ctx_t;
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ecma_completion_value_t
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re_compile_bytecode (ecma_property_t *bytecode_p, ecma_string_t *pattern_str_p, uint8_t flags);
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re_opcode_t
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re_get_opcode (re_bytecode_t **bc_p);
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uint32_t
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re_get_value (re_bytecode_t **bc_p);
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#endif /* CONFIG_ECMA_COMPACT_PROFILE_DISABLE_REGEXP_BUILTIN */
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#endif /* RE_COMPILER_H */
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