mirror of
https://github.com/jerryscript-project/jerryscript.git
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0628ae1e7b
The removal of these macros enabled cppcheck to reveal new errors. These errors are also fixed by the patch. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
201 lines
7.4 KiB
C
201 lines
7.4 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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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 ECMA_REGEXP_OBJECT_H
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#define ECMA_REGEXP_OBJECT_H
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#if JERRY_BUILTIN_REGEXP
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#include "ecma-globals.h"
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#include "re-compiler.h"
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/** \addtogroup ecma ECMA
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* @{
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*
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* \addtogroup ecmaregexpobject ECMA RegExp object related routines
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* @{
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*/
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/**
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* RegExp flags
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* Note:
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* This enum has to be kept in sync with jerry_regexp_flags_t.
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*/
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typedef enum
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{
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RE_FLAG_EMPTY = 0u, /* Empty RegExp flags */
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RE_FLAG_GLOBAL = (1u << 1), /**< ECMA-262 v5, 15.10.7.2 */
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RE_FLAG_IGNORE_CASE = (1u << 2), /**< ECMA-262 v5, 15.10.7.3 */
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RE_FLAG_MULTILINE = (1u << 3), /**< ECMA-262 v5, 15.10.7.4 */
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RE_FLAG_STICKY = (1u << 4), /**< ECMA-262 v6, 21.2.5.12 */
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RE_FLAG_UNICODE = (1u << 5), /**< ECMA-262 v6, 21.2.5.15 */
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RE_FLAG_DOTALL = (1u << 6) /**< ECMA-262 v9, 21.2.5.3 */
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/* Bits from bit 13 is reserved for function types (see CBC_FUNCTION_TYPE_SHIFT). */
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} ecma_regexp_flags_t;
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/**
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* Class escapes
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*/
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typedef enum
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{
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RE_ESCAPE__START, /**< escapes start */
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RE_ESCAPE_DIGIT = RE_ESCAPE__START, /**< digit */
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RE_ESCAPE_NOT_DIGIT, /**< not digit */
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RE_ESCAPE_WORD_CHAR, /**< word char */
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RE_ESCAPE_NOT_WORD_CHAR, /**< not word char */
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RE_ESCAPE_WHITESPACE, /**< whitespace */
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RE_ESCAPE_NOT_WHITESPACE, /**< not whitespace */
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RE_ESCAPE__COUNT, /**< escape count */
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} ecma_class_escape_t;
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/**
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* Character class flags escape count mask size.
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*/
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#define RE_CLASS_ESCAPE_COUNT_MASK_SIZE (3u)
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/**
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* Character class flags escape count mask.
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*/
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#define RE_CLASS_ESCAPE_COUNT_MASK ((1 << RE_CLASS_ESCAPE_COUNT_MASK_SIZE) - 1u)
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/**
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* Character class flags that are present in the upper bits of the class flags byte, while the 3 least significant bits
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* hold a value that contains the number of class escapes present in the character class.
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*/
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typedef enum
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{
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RE_CLASS_HAS_CHARS = (1 << 5), /**< contains individual characters */
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RE_CLASS_HAS_RANGES = (1 << 6), /**< contains character ranges */
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RE_CLASS_INVERT = (1 << 7), /**< inverted */
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} ecma_char_class_flags_t;
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/**
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* Structure for matching capturing groups and storing their result
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*/
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typedef struct
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{
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const lit_utf8_byte_t *begin_p; /**< capture start pointer */
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const lit_utf8_byte_t *end_p; /**< capture end pointer */
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const uint8_t *bc_p; /**< group bytecode pointer */
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uint32_t iterator; /**< iteration counter */
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uint32_t subcapture_count; /**< number of nested capturing groups */
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} ecma_regexp_capture_t;
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/**
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* Structure for matching non-capturing groups
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*/
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typedef struct
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{
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const lit_utf8_byte_t *begin_p; /**< substring start pointer */
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const uint8_t *bc_p; /**< group bytecode pointer */
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uint32_t iterator; /**< iteration counter */
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uint32_t subcapture_start; /**< first nested capturing group index */
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uint32_t subcapture_count; /**< number of nested capturing groups */
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} ecma_regexp_non_capture_t;
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/**
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* Check if an ecma_regexp_capture_t contains a defined capture
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*/
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#define ECMA_RE_IS_CAPTURE_DEFINED(c) ((c)->begin_p != NULL)
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ecma_value_t
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ecma_regexp_get_capture_value (const ecma_regexp_capture_t *const capture_p);
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#if (JERRY_STACK_LIMIT != 0)
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/**
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* Value used ase result when stack limit is reached
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*/
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#define ECMA_RE_OUT_OF_STACK ((const lit_utf8_byte_t *) UINTPTR_MAX)
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/**
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* Checks if the stack limit has been reached during regexp matching
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*/
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#define ECMA_RE_STACK_LIMIT_REACHED(p) (JERRY_UNLIKELY (p == ECMA_RE_OUT_OF_STACK))
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#else /* JERRY_STACK_LIMIT == 0 */
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#define ECMA_RE_STACK_LIMIT_REACHED(p) (false)
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#endif /* JERRY_STACK_LIMIT != 0 */
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/**
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* Offset applied to qmax when encoded into the bytecode.
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*
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* It's common for qmax to be Infinity, which is represented a UINT32_MAX. By applying the offset we are able to store
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* it in a single byte az zero.
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*/
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#define RE_QMAX_OFFSET 1
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/**
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* RegExp executor context
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*/
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typedef struct
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{
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const lit_utf8_byte_t *input_start_p; /**< start of input string */
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const lit_utf8_byte_t *input_end_p; /**< end of input string */
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uint32_t captures_count; /**< number of capture groups */
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uint32_t non_captures_count; /**< number of non-capture groups */
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ecma_regexp_capture_t *captures_p; /**< capturing groups */
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ecma_regexp_non_capture_t *non_captures_p; /**< non-capturing groups */
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uint16_t flags; /**< RegExp flags */
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uint8_t char_size; /**< size of encoded characters */
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} ecma_regexp_ctx_t;
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/**
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* RegExpStringIterator object internal slots
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*
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* See also:
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* ECMA-262 v11, 21.2.7.2
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*/
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typedef struct
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{
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ecma_extended_object_t header; /**< extended object part */
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ecma_value_t iterating_regexp; /**< [[IteratingRegExp]] internal slot */
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ecma_value_t iterated_string; /**< [[IteratedString]] internal slot */
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} ecma_regexp_string_iterator_t;
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#if JERRY_ESNEXT
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lit_code_point_t ecma_regexp_unicode_advance (const lit_utf8_byte_t **str_p, const lit_utf8_byte_t *end_p);
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#endif /* JERRY_ESNEXT */
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ecma_object_t *ecma_op_regexp_alloc (ecma_object_t *new_target_obj_p);
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ecma_value_t ecma_regexp_exec_helper (ecma_object_t *regexp_object_p,
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ecma_string_t *input_string_p);
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ecma_string_t *ecma_regexp_read_pattern_str_helper (ecma_value_t pattern_arg);
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lit_code_point_t ecma_regexp_canonicalize_char (lit_code_point_t ch, bool unicode);
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ecma_value_t ecma_regexp_parse_flags (ecma_string_t *flags_str_p, uint16_t *flags_p);
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void ecma_regexp_create_and_initialize_props (ecma_object_t *re_object_p,
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ecma_string_t *source_p,
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uint16_t flags);
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ecma_value_t ecma_regexp_replace_helper (ecma_value_t this_arg, ecma_value_t string_arg, ecma_value_t replace_arg);
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ecma_value_t ecma_regexp_search_helper (ecma_value_t regexp_arg, ecma_value_t string_arg);
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ecma_value_t ecma_regexp_split_helper (ecma_value_t this_arg, ecma_value_t string_arg, ecma_value_t limit_arg);
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ecma_value_t ecma_regexp_match_helper (ecma_value_t this_arg, ecma_value_t string_arg);
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ecma_value_t ecma_op_regexp_exec (ecma_value_t this_arg, ecma_string_t *str_p);
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ecma_value_t ecma_op_create_regexp_from_bytecode (ecma_object_t *regexp_obj_p, re_compiled_code_t *bc_p);
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ecma_value_t ecma_op_create_regexp_from_pattern (ecma_object_t *regexp_obj_p,
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ecma_value_t pattern_value,
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ecma_value_t flags_value);
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ecma_value_t ecma_op_create_regexp_with_flags (ecma_object_t *regexp_obj_p,
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ecma_value_t pattern_value,
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uint16_t flags);
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/**
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* @}
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* @}
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*/
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#endif /* JERRY_BUILTIN_REGEXP */
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#endif /* !ECMA_REGEXP_OBJECT_H */
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