mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
263 lines
10 KiB
C
263 lines
10 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* 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 LIT_CHAR_HELPERS_H
|
|
#define LIT_CHAR_HELPERS_H
|
|
|
|
#include "ecma-globals.h"
|
|
|
|
#include "lit-globals.h"
|
|
|
|
/**
|
|
* Invalid character code point
|
|
*/
|
|
#define LIT_INVALID_CP 0xFFFFFFFF
|
|
|
|
/**
|
|
* Result of lit_char_to_lower_case/lit_char_to_upper_case consist more than of a single code unit
|
|
*/
|
|
#define LIT_MULTIPLE_CU 0xFFFFFFFE
|
|
|
|
/*
|
|
* Format control characters (ECMA-262 v5, Table 1)
|
|
*/
|
|
#define LIT_CHAR_ZWNJ ((ecma_char_t) 0x200C) /* zero width non-joiner */
|
|
#define LIT_CHAR_ZWJ ((ecma_char_t) 0x200D) /* zero width joiner */
|
|
#define LIT_CHAR_BOM ((ecma_char_t) 0xFEFF) /* byte order mark */
|
|
|
|
/*
|
|
* Whitespace characters (ECMA-262 v5, Table 2)
|
|
*/
|
|
#define LIT_CHAR_TAB ((ecma_char_t) 0x0009) /* tab */
|
|
#define LIT_CHAR_VTAB ((ecma_char_t) 0x000B) /* vertical tab */
|
|
#define LIT_CHAR_FF ((ecma_char_t) 0x000C) /* form feed */
|
|
#define LIT_CHAR_SP ((ecma_char_t) 0x0020) /* space */
|
|
#define LIT_CHAR_NBSP ((ecma_char_t) 0x00A0) /* no-break space */
|
|
#define LIT_CHAR_MVS ((ecma_char_t) 0x180E) /* mongolian vowel separator */
|
|
/* LIT_CHAR_BOM is defined above */
|
|
|
|
bool lit_char_is_white_space (lit_code_point_t c);
|
|
|
|
/*
|
|
* Line terminator characters (ECMA-262 v5, Table 3)
|
|
*/
|
|
#define LIT_CHAR_LF ((ecma_char_t) 0x000A) /* line feed */
|
|
#define LIT_CHAR_CR ((ecma_char_t) 0x000D) /* carriage return */
|
|
#define LIT_CHAR_LS ((ecma_char_t) 0x2028) /* line separator */
|
|
#define LIT_CHAR_PS ((ecma_char_t) 0x2029) /* paragraph separator */
|
|
|
|
bool lit_char_is_line_terminator (ecma_char_t c);
|
|
|
|
/*
|
|
* String Single Character Escape Sequences (ECMA-262 v5, Table 4)
|
|
*/
|
|
#define LIT_CHAR_BS ((ecma_char_t) 0x0008) /* backspace */
|
|
/* LIT_CHAR_TAB is defined above */
|
|
/* LIT_CHAR_LF is defined above */
|
|
/* LIT_CHAR_VTAB is defined above */
|
|
/* LIT_CHAR_FF is defined above */
|
|
/* LIT_CHAR_CR is defined above */
|
|
#define LIT_CHAR_DOUBLE_QUOTE ((ecma_char_t) '"') /* double quote */
|
|
#define LIT_CHAR_SINGLE_QUOTE ((ecma_char_t) '\'') /* single quote */
|
|
#define LIT_CHAR_BACKSLASH ((ecma_char_t) '\\') /* reverse solidus (backslash) */
|
|
|
|
/*
|
|
* Comment characters (ECMA-262 v5, 7.4)
|
|
*/
|
|
#define LIT_CHAR_SLASH ((ecma_char_t) '/') /* solidus */
|
|
#define LIT_CHAR_ASTERISK ((ecma_char_t) '*') /* asterisk */
|
|
|
|
/*
|
|
* Identifier name characters (ECMA-262 v5, 7.6)
|
|
*/
|
|
#define LIT_CHAR_DOLLAR_SIGN ((ecma_char_t) '$') /* dollar sign */
|
|
#define LIT_CHAR_UNDERSCORE ((ecma_char_t) '_') /* low line (underscore) */
|
|
/* LIT_CHAR_BACKSLASH defined above */
|
|
|
|
bool lit_code_point_is_identifier_start (lit_code_point_t code_point);
|
|
bool lit_code_point_is_identifier_part (lit_code_point_t code_point);
|
|
|
|
/*
|
|
* Punctuator characters (ECMA-262 v5, 7.7)
|
|
*/
|
|
#define LIT_CHAR_LEFT_BRACE ((ecma_char_t) '{') /* left curly bracket */
|
|
#define LIT_CHAR_RIGHT_BRACE ((ecma_char_t) '}') /* right curly bracket */
|
|
#define LIT_CHAR_LEFT_PAREN ((ecma_char_t) '(') /* left parenthesis */
|
|
#define LIT_CHAR_RIGHT_PAREN ((ecma_char_t) ')') /* right parenthesis */
|
|
#define LIT_CHAR_LEFT_SQUARE ((ecma_char_t) '[') /* left square bracket */
|
|
#define LIT_CHAR_RIGHT_SQUARE ((ecma_char_t) ']') /* right square bracket */
|
|
#define LIT_CHAR_DOT ((ecma_char_t) '.') /* dot */
|
|
#define LIT_CHAR_SEMICOLON ((ecma_char_t) ';') /* semicolon */
|
|
#define LIT_CHAR_COMMA ((ecma_char_t) ',') /* comma */
|
|
#define LIT_CHAR_LESS_THAN ((ecma_char_t) '<') /* less-than sign */
|
|
#define LIT_CHAR_GREATER_THAN ((ecma_char_t) '>') /* greater-than sign */
|
|
#define LIT_CHAR_EQUALS ((ecma_char_t) '=') /* equals sign */
|
|
#define LIT_CHAR_PLUS ((ecma_char_t) '+') /* plus sign */
|
|
#define LIT_CHAR_MINUS ((ecma_char_t) '-') /* hyphen-minus */
|
|
/* LIT_CHAR_ASTERISK is defined above */
|
|
#define LIT_CHAR_PERCENT ((ecma_char_t) '%') /* percent sign */
|
|
#define LIT_CHAR_AMPERSAND ((ecma_char_t) '&') /* ampersand */
|
|
#define LIT_CHAR_VLINE ((ecma_char_t) '|') /* vertical line */
|
|
#define LIT_CHAR_CIRCUMFLEX ((ecma_char_t) '^') /* circumflex accent */
|
|
#define LIT_CHAR_EXCLAMATION ((ecma_char_t) '!') /* exclamation mark */
|
|
#define LIT_CHAR_TILDE ((ecma_char_t) '~') /* tilde */
|
|
#define LIT_CHAR_QUESTION ((ecma_char_t) '?') /* question mark */
|
|
#define LIT_CHAR_COLON ((ecma_char_t) ':') /* colon */
|
|
|
|
/*
|
|
* Special characters for String.prototype.replace.
|
|
*/
|
|
#define LIT_CHAR_GRAVE_ACCENT ((ecma_char_t) '`') /* grave accent */
|
|
|
|
/**
|
|
* Uppercase ASCII letters
|
|
*/
|
|
#define LIT_CHAR_UPPERCASE_A ((ecma_char_t) 'A')
|
|
#define LIT_CHAR_UPPERCASE_B ((ecma_char_t) 'B')
|
|
#define LIT_CHAR_UPPERCASE_C ((ecma_char_t) 'C')
|
|
#define LIT_CHAR_UPPERCASE_D ((ecma_char_t) 'D')
|
|
#define LIT_CHAR_UPPERCASE_E ((ecma_char_t) 'E')
|
|
#define LIT_CHAR_UPPERCASE_F ((ecma_char_t) 'F')
|
|
#define LIT_CHAR_UPPERCASE_G ((ecma_char_t) 'G')
|
|
#define LIT_CHAR_UPPERCASE_H ((ecma_char_t) 'H')
|
|
#define LIT_CHAR_UPPERCASE_I ((ecma_char_t) 'I')
|
|
#define LIT_CHAR_UPPERCASE_J ((ecma_char_t) 'J')
|
|
#define LIT_CHAR_UPPERCASE_K ((ecma_char_t) 'K')
|
|
#define LIT_CHAR_UPPERCASE_L ((ecma_char_t) 'L')
|
|
#define LIT_CHAR_UPPERCASE_M ((ecma_char_t) 'M')
|
|
#define LIT_CHAR_UPPERCASE_N ((ecma_char_t) 'N')
|
|
#define LIT_CHAR_UPPERCASE_O ((ecma_char_t) 'O')
|
|
#define LIT_CHAR_UPPERCASE_P ((ecma_char_t) 'P')
|
|
#define LIT_CHAR_UPPERCASE_Q ((ecma_char_t) 'Q')
|
|
#define LIT_CHAR_UPPERCASE_R ((ecma_char_t) 'R')
|
|
#define LIT_CHAR_UPPERCASE_S ((ecma_char_t) 'S')
|
|
#define LIT_CHAR_UPPERCASE_T ((ecma_char_t) 'T')
|
|
#define LIT_CHAR_UPPERCASE_U ((ecma_char_t) 'U')
|
|
#define LIT_CHAR_UPPERCASE_V ((ecma_char_t) 'V')
|
|
#define LIT_CHAR_UPPERCASE_W ((ecma_char_t) 'W')
|
|
#define LIT_CHAR_UPPERCASE_X ((ecma_char_t) 'X')
|
|
#define LIT_CHAR_UPPERCASE_Y ((ecma_char_t) 'Y')
|
|
#define LIT_CHAR_UPPERCASE_Z ((ecma_char_t) 'Z')
|
|
|
|
/**
|
|
* Lowercase ASCII letters
|
|
*/
|
|
#define LIT_CHAR_LOWERCASE_A ((ecma_char_t) 'a')
|
|
#define LIT_CHAR_LOWERCASE_B ((ecma_char_t) 'b')
|
|
#define LIT_CHAR_LOWERCASE_C ((ecma_char_t) 'c')
|
|
#define LIT_CHAR_LOWERCASE_D ((ecma_char_t) 'd')
|
|
#define LIT_CHAR_LOWERCASE_E ((ecma_char_t) 'e')
|
|
#define LIT_CHAR_LOWERCASE_F ((ecma_char_t) 'f')
|
|
#define LIT_CHAR_LOWERCASE_G ((ecma_char_t) 'g')
|
|
#define LIT_CHAR_LOWERCASE_H ((ecma_char_t) 'h')
|
|
#define LIT_CHAR_LOWERCASE_I ((ecma_char_t) 'i')
|
|
#define LIT_CHAR_LOWERCASE_J ((ecma_char_t) 'j')
|
|
#define LIT_CHAR_LOWERCASE_K ((ecma_char_t) 'k')
|
|
#define LIT_CHAR_LOWERCASE_L ((ecma_char_t) 'l')
|
|
#define LIT_CHAR_LOWERCASE_M ((ecma_char_t) 'm')
|
|
#define LIT_CHAR_LOWERCASE_N ((ecma_char_t) 'n')
|
|
#define LIT_CHAR_LOWERCASE_O ((ecma_char_t) 'o')
|
|
#define LIT_CHAR_LOWERCASE_P ((ecma_char_t) 'p')
|
|
#define LIT_CHAR_LOWERCASE_Q ((ecma_char_t) 'q')
|
|
#define LIT_CHAR_LOWERCASE_R ((ecma_char_t) 'r')
|
|
#define LIT_CHAR_LOWERCASE_S ((ecma_char_t) 's')
|
|
#define LIT_CHAR_LOWERCASE_T ((ecma_char_t) 't')
|
|
#define LIT_CHAR_LOWERCASE_U ((ecma_char_t) 'u')
|
|
#define LIT_CHAR_LOWERCASE_V ((ecma_char_t) 'v')
|
|
#define LIT_CHAR_LOWERCASE_W ((ecma_char_t) 'w')
|
|
#define LIT_CHAR_LOWERCASE_X ((ecma_char_t) 'x')
|
|
#define LIT_CHAR_LOWERCASE_Y ((ecma_char_t) 'y')
|
|
#define LIT_CHAR_LOWERCASE_Z ((ecma_char_t) 'z')
|
|
|
|
/**
|
|
* ASCII decimal digits
|
|
*/
|
|
#define LIT_CHAR_0 ((ecma_char_t) '0')
|
|
#define LIT_CHAR_1 ((ecma_char_t) '1')
|
|
#define LIT_CHAR_2 ((ecma_char_t) '2')
|
|
#define LIT_CHAR_3 ((ecma_char_t) '3')
|
|
#define LIT_CHAR_4 ((ecma_char_t) '4')
|
|
#define LIT_CHAR_5 ((ecma_char_t) '5')
|
|
#define LIT_CHAR_6 ((ecma_char_t) '6')
|
|
#define LIT_CHAR_7 ((ecma_char_t) '7')
|
|
#define LIT_CHAR_8 ((ecma_char_t) '8')
|
|
#define LIT_CHAR_9 ((ecma_char_t) '9')
|
|
|
|
/**
|
|
* ASCII character ranges
|
|
*/
|
|
#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_BEGIN LIT_CHAR_UPPERCASE_A /* uppercase letters range */
|
|
#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_END LIT_CHAR_UPPERCASE_Z
|
|
|
|
#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_BEGIN LIT_CHAR_LOWERCASE_A /* lowercase letters range */
|
|
#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_END LIT_CHAR_LOWERCASE_Z
|
|
|
|
#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_HEX_BEGIN \
|
|
LIT_CHAR_UPPERCASE_A /* uppercase letters for \
|
|
* hexadecimal digits range */
|
|
#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_HEX_END LIT_CHAR_UPPERCASE_F
|
|
|
|
#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_HEX_BEGIN \
|
|
LIT_CHAR_LOWERCASE_A /* lowercase letters for \
|
|
* hexadecimal digits range */
|
|
#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_HEX_END LIT_CHAR_LOWERCASE_F
|
|
|
|
#define LIT_CHAR_ASCII_OCTAL_DIGITS_BEGIN LIT_CHAR_0 /* octal digits range */
|
|
#define LIT_CHAR_ASCII_OCTAL_DIGITS_END LIT_CHAR_7
|
|
|
|
#define LIT_CHAR_ASCII_DIGITS_BEGIN LIT_CHAR_0 /* decimal digits range */
|
|
#define LIT_CHAR_ASCII_DIGITS_END LIT_CHAR_9
|
|
|
|
#define LEXER_TO_ASCII_LOWERCASE(character) ((character) | LIT_CHAR_SP)
|
|
|
|
bool lit_char_is_octal_digit (ecma_char_t c);
|
|
bool lit_char_is_decimal_digit (ecma_char_t c);
|
|
bool lit_char_is_hex_digit (ecma_char_t c);
|
|
#if JERRY_ESNEXT
|
|
bool lit_char_is_binary_digit (ecma_char_t c);
|
|
#endif /* JERRY_ESNEXT */
|
|
void lit_char_unicode_escape (ecma_stringbuilder_t *builder_p, ecma_char_t c);
|
|
uint32_t lit_char_hex_to_int (ecma_char_t c);
|
|
size_t lit_code_point_to_cesu8_bytes (uint8_t *dst_p, lit_code_point_t code_point);
|
|
size_t lit_code_point_get_cesu8_length (lit_code_point_t code_point);
|
|
void lit_four_byte_utf8_char_to_cesu8 (uint8_t *dst_p, const uint8_t *source_p);
|
|
uint32_t lit_char_hex_lookup (const lit_utf8_byte_t *buf_p, const lit_utf8_byte_t *const buf_end_p, uint32_t lookup);
|
|
uint32_t lit_parse_decimal (const lit_utf8_byte_t **buffer_p, const lit_utf8_byte_t *const buffer_end_p);
|
|
bool lit_find_char_in_string (ecma_string_t *str_p, lit_utf8_byte_t c);
|
|
|
|
/**
|
|
* Null character
|
|
*/
|
|
#define LIT_CHAR_NULL ((ecma_char_t) '\0')
|
|
|
|
/*
|
|
* Part of IsWordChar abstract operation (ECMA-262 v5, 15.10.2.6, step 3)
|
|
*/
|
|
bool lit_char_is_word_char (lit_code_point_t c);
|
|
|
|
/*
|
|
* Utility functions for uppercasing / lowercasing
|
|
*/
|
|
|
|
lit_code_point_t lit_char_to_lower_case (lit_code_point_t cp, ecma_stringbuilder_t *builder_p);
|
|
lit_code_point_t lit_char_to_upper_case (lit_code_point_t cp, ecma_stringbuilder_t *builder_p);
|
|
|
|
#if JERRY_ESNEXT
|
|
bool lit_char_fold_to_lower (lit_code_point_t cp);
|
|
bool lit_char_fold_to_upper (lit_code_point_t cp);
|
|
#endif /* JERRY_ESNEXT */
|
|
|
|
#endif /* !LIT_CHAR_HELPERS_H */
|