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249 lines
10 KiB
C
249 lines
10 KiB
C
/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
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* Copyright 2016 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 LIT_CHAR_HELPERS_H
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#define LIT_CHAR_HELPERS_H
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#include "lit-globals.h"
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#define LIT_CHAR_UNDEF ((ecma_char_t) 0xFFFF) /* undefined character */
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/*
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* Format control characters (ECMA-262 v5, Table 1)
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*/
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#define LIT_CHAR_ZWNJ ((ecma_char_t) 0x200C) /* zero width non-joiner */
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#define LIT_CHAR_ZWJ ((ecma_char_t) 0x200D) /* zero width joiner */
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#define LIT_CHAR_BOM ((ecma_char_t) 0xFEFF) /* byte order mark */
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extern bool lit_char_is_format_control (ecma_char_t);
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/*
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* Whitespace characters (ECMA-262 v5, Table 2)
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*/
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#define LIT_CHAR_TAB ((ecma_char_t) 0x0009) /* tab */
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#define LIT_CHAR_VTAB ((ecma_char_t) 0x000B) /* vertical tab */
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#define LIT_CHAR_FF ((ecma_char_t) 0x000C) /* form feed */
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#define LIT_CHAR_SP ((ecma_char_t) 0x0020) /* space */
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#define LIT_CHAR_NBSP ((ecma_char_t) 0x00A0) /* no-break space */
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/* LIT_CHAR_BOM is defined above */
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extern bool lit_char_is_white_space (ecma_char_t);
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/*
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* Line terminator characters (ECMA-262 v5, Table 3)
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*/
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#define LIT_CHAR_LF ((ecma_char_t) 0x000A) /* line feed */
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#define LIT_CHAR_CR ((ecma_char_t) 0x000D) /* carriage return */
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#define LIT_CHAR_LS ((ecma_char_t) 0x2028) /* line separator */
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#define LIT_CHAR_PS ((ecma_char_t) 0x2029) /* paragraph separator */
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extern bool lit_char_is_line_terminator (ecma_char_t);
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/*
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* String Single Character Escape Sequences (ECMA-262 v5, Table 4)
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*/
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#define LIT_CHAR_BS ((ecma_char_t) 0x0008) /* backspace */
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/* LIT_CHAR_TAB is defined above */
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/* LIT_CHAR_LF is defined above */
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/* LIT_CHAR_VTAB is defined above */
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/* LIT_CHAR_FF is defined above */
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/* LIT_CHAR_CR is defined above */
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#define LIT_CHAR_DOUBLE_QUOTE ((ecma_char_t) '"') /* double quote */
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#define LIT_CHAR_SINGLE_QUOTE ((ecma_char_t) '\'') /* single quote */
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#define LIT_CHAR_BACKSLASH ((ecma_char_t) '\\') /* reverse solidus (backslash) */
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/*
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* Comment characters (ECMA-262 v5, 7.4)
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*/
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#define LIT_CHAR_SLASH ((ecma_char_t) '/') /* solidus */
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#define LIT_CHAR_ASTERISK ((ecma_char_t) '*') /* asterisk */
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/*
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* Identifier name characters (ECMA-262 v5, 7.6)
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*/
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#define LIT_CHAR_DOLLAR_SIGN ((ecma_char_t) '$') /* dollar sign */
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#define LIT_CHAR_UNDERSCORE ((ecma_char_t) '_') /* low line (underscore) */
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/* LIT_CHAR_BACKSLASH defined above */
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extern bool lit_char_is_identifier_start (const uint8_t *);
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extern bool lit_char_is_identifier_part (const uint8_t *);
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extern bool lit_char_is_identifier_start_character (ecma_char_t);
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extern bool lit_char_is_identifier_part_character (ecma_char_t);
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/*
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* Punctuator characters (ECMA-262 v5, 7.7)
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*/
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#define LIT_CHAR_LEFT_BRACE ((ecma_char_t) '{') /* left curly bracket */
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#define LIT_CHAR_RIGHT_BRACE ((ecma_char_t) '}') /* right curly bracket */
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#define LIT_CHAR_LEFT_PAREN ((ecma_char_t) '(') /* left parenthesis */
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#define LIT_CHAR_RIGHT_PAREN ((ecma_char_t) ')') /* right parenthesis */
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#define LIT_CHAR_LEFT_SQUARE ((ecma_char_t) '[') /* left square bracket */
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#define LIT_CHAR_RIGHT_SQUARE ((ecma_char_t) ']') /* right square bracket */
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#define LIT_CHAR_DOT ((ecma_char_t) '.') /* dot */
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#define LIT_CHAR_SEMICOLON ((ecma_char_t) ';') /* semicolon */
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#define LIT_CHAR_COMMA ((ecma_char_t) ',') /* comma */
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#define LIT_CHAR_LESS_THAN ((ecma_char_t) '<') /* less-than sign */
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#define LIT_CHAR_GREATER_THAN ((ecma_char_t) '>') /* greater-than sign */
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#define LIT_CHAR_EQUALS ((ecma_char_t) '=') /* equals sign */
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#define LIT_CHAR_PLUS ((ecma_char_t) '+') /* plus sign */
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#define LIT_CHAR_MINUS ((ecma_char_t) '-') /* hyphen-minus */
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/* LIT_CHAR_ASTERISK is defined above */
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#define LIT_CHAR_PERCENT ((ecma_char_t) '%') /* percent sign */
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#define LIT_CHAR_AMPERSAND ((ecma_char_t) '&') /* ampersand */
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#define LIT_CHAR_VLINE ((ecma_char_t) '|') /* vertical line */
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#define LIT_CHAR_CIRCUMFLEX ((ecma_char_t) '^') /* circumflex accent */
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#define LIT_CHAR_EXCLAMATION ((ecma_char_t) '!') /* exclamation mark */
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#define LIT_CHAR_TILDE ((ecma_char_t) '~') /* tilde */
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#define LIT_CHAR_QUESTION ((ecma_char_t) '?') /* question mark */
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#define LIT_CHAR_COLON ((ecma_char_t) ':') /* colon */
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/*
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* Special characters for String.prototype.replace.
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*/
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#define LIT_CHAR_GRAVE_ACCENT ((ecma_char_t) '`') /* grave accent */
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/**
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* Uppercase ASCII letters
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*/
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#define LIT_CHAR_UPPERCASE_A ((ecma_char_t) 'A')
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#define LIT_CHAR_UPPERCASE_B ((ecma_char_t) 'B')
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#define LIT_CHAR_UPPERCASE_C ((ecma_char_t) 'C')
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#define LIT_CHAR_UPPERCASE_D ((ecma_char_t) 'D')
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#define LIT_CHAR_UPPERCASE_E ((ecma_char_t) 'E')
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#define LIT_CHAR_UPPERCASE_F ((ecma_char_t) 'F')
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#define LIT_CHAR_UPPERCASE_G ((ecma_char_t) 'G')
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#define LIT_CHAR_UPPERCASE_H ((ecma_char_t) 'H')
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#define LIT_CHAR_UPPERCASE_I ((ecma_char_t) 'I')
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#define LIT_CHAR_UPPERCASE_J ((ecma_char_t) 'J')
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#define LIT_CHAR_UPPERCASE_K ((ecma_char_t) 'K')
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#define LIT_CHAR_UPPERCASE_L ((ecma_char_t) 'L')
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#define LIT_CHAR_UPPERCASE_M ((ecma_char_t) 'M')
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#define LIT_CHAR_UPPERCASE_N ((ecma_char_t) 'N')
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#define LIT_CHAR_UPPERCASE_O ((ecma_char_t) 'O')
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#define LIT_CHAR_UPPERCASE_P ((ecma_char_t) 'P')
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#define LIT_CHAR_UPPERCASE_Q ((ecma_char_t) 'Q')
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#define LIT_CHAR_UPPERCASE_R ((ecma_char_t) 'R')
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#define LIT_CHAR_UPPERCASE_S ((ecma_char_t) 'S')
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#define LIT_CHAR_UPPERCASE_T ((ecma_char_t) 'T')
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#define LIT_CHAR_UPPERCASE_U ((ecma_char_t) 'U')
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#define LIT_CHAR_UPPERCASE_V ((ecma_char_t) 'V')
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#define LIT_CHAR_UPPERCASE_W ((ecma_char_t) 'W')
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#define LIT_CHAR_UPPERCASE_X ((ecma_char_t) 'X')
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#define LIT_CHAR_UPPERCASE_Y ((ecma_char_t) 'Y')
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#define LIT_CHAR_UPPERCASE_Z ((ecma_char_t) 'Z')
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/**
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* Lowercase ASCII letters
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*/
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#define LIT_CHAR_LOWERCASE_A ((ecma_char_t) 'a')
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#define LIT_CHAR_LOWERCASE_B ((ecma_char_t) 'b')
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#define LIT_CHAR_LOWERCASE_C ((ecma_char_t) 'c')
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#define LIT_CHAR_LOWERCASE_D ((ecma_char_t) 'd')
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#define LIT_CHAR_LOWERCASE_E ((ecma_char_t) 'e')
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#define LIT_CHAR_LOWERCASE_F ((ecma_char_t) 'f')
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#define LIT_CHAR_LOWERCASE_G ((ecma_char_t) 'g')
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#define LIT_CHAR_LOWERCASE_H ((ecma_char_t) 'h')
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#define LIT_CHAR_LOWERCASE_I ((ecma_char_t) 'i')
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#define LIT_CHAR_LOWERCASE_J ((ecma_char_t) 'j')
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#define LIT_CHAR_LOWERCASE_K ((ecma_char_t) 'k')
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#define LIT_CHAR_LOWERCASE_L ((ecma_char_t) 'l')
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#define LIT_CHAR_LOWERCASE_M ((ecma_char_t) 'm')
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#define LIT_CHAR_LOWERCASE_N ((ecma_char_t) 'n')
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#define LIT_CHAR_LOWERCASE_O ((ecma_char_t) 'o')
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#define LIT_CHAR_LOWERCASE_P ((ecma_char_t) 'p')
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#define LIT_CHAR_LOWERCASE_Q ((ecma_char_t) 'q')
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#define LIT_CHAR_LOWERCASE_R ((ecma_char_t) 'r')
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#define LIT_CHAR_LOWERCASE_S ((ecma_char_t) 's')
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#define LIT_CHAR_LOWERCASE_T ((ecma_char_t) 't')
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#define LIT_CHAR_LOWERCASE_U ((ecma_char_t) 'u')
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#define LIT_CHAR_LOWERCASE_V ((ecma_char_t) 'v')
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#define LIT_CHAR_LOWERCASE_W ((ecma_char_t) 'w')
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#define LIT_CHAR_LOWERCASE_X ((ecma_char_t) 'x')
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#define LIT_CHAR_LOWERCASE_Y ((ecma_char_t) 'y')
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#define LIT_CHAR_LOWERCASE_Z ((ecma_char_t) 'z')
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/**
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* ASCII decimal digits
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*/
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#define LIT_CHAR_0 ((ecma_char_t) '0')
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#define LIT_CHAR_1 ((ecma_char_t) '1')
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#define LIT_CHAR_2 ((ecma_char_t) '2')
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#define LIT_CHAR_3 ((ecma_char_t) '3')
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#define LIT_CHAR_4 ((ecma_char_t) '4')
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#define LIT_CHAR_5 ((ecma_char_t) '5')
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#define LIT_CHAR_6 ((ecma_char_t) '6')
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#define LIT_CHAR_7 ((ecma_char_t) '7')
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#define LIT_CHAR_8 ((ecma_char_t) '8')
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#define LIT_CHAR_9 ((ecma_char_t) '9')
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/**
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* ASCII character ranges
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*/
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#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_BEGIN LIT_CHAR_UPPERCASE_A /* uppercase letters range */
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#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_END LIT_CHAR_UPPERCASE_Z
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#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_BEGIN LIT_CHAR_LOWERCASE_A /* lowercase letters range */
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#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_END LIT_CHAR_LOWERCASE_Z
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#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_HEX_BEGIN LIT_CHAR_UPPERCASE_A /* uppercase letters for
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* hexadecimal digits range */
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#define LIT_CHAR_ASCII_UPPERCASE_LETTERS_HEX_END LIT_CHAR_UPPERCASE_F
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#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_HEX_BEGIN LIT_CHAR_LOWERCASE_A /* lowercase letters for
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* hexadecimal digits range */
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#define LIT_CHAR_ASCII_LOWERCASE_LETTERS_HEX_END LIT_CHAR_LOWERCASE_F
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#define LIT_CHAR_ASCII_OCTAL_DIGITS_BEGIN LIT_CHAR_0 /* octal digits range */
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#define LIT_CHAR_ASCII_OCTAL_DIGITS_END LIT_CHAR_7
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#define LIT_CHAR_ASCII_DIGITS_BEGIN LIT_CHAR_0 /* decimal digits range */
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#define LIT_CHAR_ASCII_DIGITS_END LIT_CHAR_9
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#define LEXER_TO_ASCII_LOWERCASE(character) ((character) | LIT_CHAR_SP)
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extern bool lit_char_is_octal_digit (ecma_char_t);
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extern bool lit_char_is_decimal_digit (ecma_char_t);
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extern bool lit_char_is_hex_digit (ecma_char_t);
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extern uint32_t lit_char_hex_to_int (ecma_char_t);
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extern size_t lit_char_to_utf8_bytes (uint8_t *, ecma_char_t);
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extern size_t lit_char_get_utf8_length (ecma_char_t);
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/* read a hex encoded code point from a zero terminated buffer */
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bool lit_read_code_unit_from_hex (const lit_utf8_byte_t *, lit_utf8_size_t, ecma_char_ptr_t);
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/**
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* Null character
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*/
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#define LIT_CHAR_NULL ((ecma_char_t) '\0')
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/*
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* Part of IsWordChar abstract operation (ECMA-262 v5, 15.10.2.6, step 3)
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*/
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extern bool lit_char_is_word_char (ecma_char_t);
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/*
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* Utility functions for uppercasing / lowercasing
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*/
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/**
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* Minimum buffer size for lit_char_to_lower_case / lit_char_to_upper_case functions.
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*/
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#define LIT_MAXIMUM_OTHER_CASE_LENGTH (3)
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ecma_length_t lit_char_to_lower_case (ecma_char_t, ecma_char_t *, ecma_length_t);
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ecma_length_t lit_char_to_upper_case (ecma_char_t, ecma_char_t *, ecma_length_t);
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#endif /* !LIT_CHAR_HELPERS_H */
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