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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 library dart2js.tokens.precedence.constants; |
| 6 |
| 7 import 'precedence.dart' show PrecedenceInfo; |
| 8 import 'token_constants.dart'; |
| 9 |
| 10 // TODO(ahe): The following are not tokens in Dart. |
| 11 const PrecedenceInfo BACKPING_INFO = |
| 12 const PrecedenceInfo('`', 0, BACKPING_TOKEN); |
| 13 const PrecedenceInfo BACKSLASH_INFO = |
| 14 const PrecedenceInfo('\\', 0, BACKSLASH_TOKEN); |
| 15 const PrecedenceInfo PERIOD_PERIOD_PERIOD_INFO = |
| 16 const PrecedenceInfo('...', 0, PERIOD_PERIOD_PERIOD_TOKEN); |
| 17 |
| 18 /** |
| 19 * The cascade operator has the lowest precedence of any operator |
| 20 * except assignment. |
| 21 */ |
| 22 const int CASCADE_PRECEDENCE = 2; |
| 23 const PrecedenceInfo PERIOD_PERIOD_INFO = |
| 24 const PrecedenceInfo('..', CASCADE_PRECEDENCE, PERIOD_PERIOD_TOKEN); |
| 25 |
| 26 const PrecedenceInfo BANG_INFO = const PrecedenceInfo('!', 0, BANG_TOKEN); |
| 27 const PrecedenceInfo COLON_INFO = const PrecedenceInfo(':', 0, COLON_TOKEN); |
| 28 const PrecedenceInfo INDEX_INFO = const PrecedenceInfo('[]', 0, INDEX_TOKEN); |
| 29 const PrecedenceInfo MINUS_MINUS_INFO = |
| 30 const PrecedenceInfo('--', POSTFIX_PRECEDENCE, MINUS_MINUS_TOKEN); |
| 31 const PrecedenceInfo PLUS_PLUS_INFO = |
| 32 const PrecedenceInfo('++', POSTFIX_PRECEDENCE, PLUS_PLUS_TOKEN); |
| 33 const PrecedenceInfo TILDE_INFO = const PrecedenceInfo('~', 0, TILDE_TOKEN); |
| 34 |
| 35 const PrecedenceInfo FUNCTION_INFO = |
| 36 const PrecedenceInfo('=>', 0, FUNCTION_TOKEN); |
| 37 const PrecedenceInfo HASH_INFO = const PrecedenceInfo('#', 0, HASH_TOKEN); |
| 38 const PrecedenceInfo INDEX_EQ_INFO = |
| 39 const PrecedenceInfo('[]=', 0, INDEX_EQ_TOKEN); |
| 40 const PrecedenceInfo SEMICOLON_INFO = |
| 41 const PrecedenceInfo(';', 0, SEMICOLON_TOKEN); |
| 42 const PrecedenceInfo COMMA_INFO = const PrecedenceInfo(',', 0, COMMA_TOKEN); |
| 43 |
| 44 const PrecedenceInfo AT_INFO = const PrecedenceInfo('@', 0, AT_TOKEN); |
| 45 |
| 46 // Assignment operators. |
| 47 const int ASSIGNMENT_PRECEDENCE = 1; |
| 48 const PrecedenceInfo AMPERSAND_EQ_INFO = |
| 49 const PrecedenceInfo('&=', ASSIGNMENT_PRECEDENCE, AMPERSAND_EQ_TOKEN); |
| 50 const PrecedenceInfo BAR_EQ_INFO = |
| 51 const PrecedenceInfo('|=', ASSIGNMENT_PRECEDENCE, BAR_EQ_TOKEN); |
| 52 const PrecedenceInfo CARET_EQ_INFO = |
| 53 const PrecedenceInfo('^=', ASSIGNMENT_PRECEDENCE, CARET_EQ_TOKEN); |
| 54 const PrecedenceInfo EQ_INFO = |
| 55 const PrecedenceInfo('=', ASSIGNMENT_PRECEDENCE, EQ_TOKEN); |
| 56 const PrecedenceInfo GT_GT_EQ_INFO = |
| 57 const PrecedenceInfo('>>=', ASSIGNMENT_PRECEDENCE, GT_GT_EQ_TOKEN); |
| 58 const PrecedenceInfo LT_LT_EQ_INFO = |
| 59 const PrecedenceInfo('<<=', ASSIGNMENT_PRECEDENCE, LT_LT_EQ_TOKEN); |
| 60 const PrecedenceInfo MINUS_EQ_INFO = |
| 61 const PrecedenceInfo('-=', ASSIGNMENT_PRECEDENCE, MINUS_EQ_TOKEN); |
| 62 const PrecedenceInfo PERCENT_EQ_INFO = |
| 63 const PrecedenceInfo('%=', ASSIGNMENT_PRECEDENCE, PERCENT_EQ_TOKEN); |
| 64 const PrecedenceInfo PLUS_EQ_INFO = |
| 65 const PrecedenceInfo('+=', ASSIGNMENT_PRECEDENCE, PLUS_EQ_TOKEN); |
| 66 const PrecedenceInfo SLASH_EQ_INFO = |
| 67 const PrecedenceInfo('/=', ASSIGNMENT_PRECEDENCE, SLASH_EQ_TOKEN); |
| 68 const PrecedenceInfo STAR_EQ_INFO = |
| 69 const PrecedenceInfo('*=', ASSIGNMENT_PRECEDENCE, STAR_EQ_TOKEN); |
| 70 const PrecedenceInfo TILDE_SLASH_EQ_INFO = |
| 71 const PrecedenceInfo('~/=', ASSIGNMENT_PRECEDENCE, TILDE_SLASH_EQ_TOKEN); |
| 72 const PrecedenceInfo QUESTION_QUESTION_EQ_INFO = const PrecedenceInfo( |
| 73 '??=', ASSIGNMENT_PRECEDENCE, QUESTION_QUESTION_EQ_TOKEN); |
| 74 |
| 75 const PrecedenceInfo QUESTION_INFO = |
| 76 const PrecedenceInfo('?', 3, QUESTION_TOKEN); |
| 77 |
| 78 const PrecedenceInfo QUESTION_QUESTION_INFO = |
| 79 const PrecedenceInfo('??', 4, QUESTION_QUESTION_TOKEN); |
| 80 |
| 81 const PrecedenceInfo BAR_BAR_INFO = |
| 82 const PrecedenceInfo('||', 5, BAR_BAR_TOKEN); |
| 83 |
| 84 const PrecedenceInfo AMPERSAND_AMPERSAND_INFO = |
| 85 const PrecedenceInfo('&&', 6, AMPERSAND_AMPERSAND_TOKEN); |
| 86 |
| 87 const PrecedenceInfo BAR_INFO = const PrecedenceInfo('|', 9, BAR_TOKEN); |
| 88 |
| 89 const PrecedenceInfo CARET_INFO = const PrecedenceInfo('^', 10, CARET_TOKEN); |
| 90 |
| 91 const PrecedenceInfo AMPERSAND_INFO = |
| 92 const PrecedenceInfo('&', 11, AMPERSAND_TOKEN); |
| 93 |
| 94 // Equality operators. |
| 95 const int EQUALITY_PRECEDENCE = 7; |
| 96 const PrecedenceInfo BANG_EQ_EQ_INFO = |
| 97 const PrecedenceInfo('!==', EQUALITY_PRECEDENCE, BANG_EQ_EQ_TOKEN); |
| 98 const PrecedenceInfo BANG_EQ_INFO = |
| 99 const PrecedenceInfo('!=', EQUALITY_PRECEDENCE, BANG_EQ_TOKEN); |
| 100 const PrecedenceInfo EQ_EQ_EQ_INFO = |
| 101 const PrecedenceInfo('===', EQUALITY_PRECEDENCE, EQ_EQ_EQ_TOKEN); |
| 102 const PrecedenceInfo EQ_EQ_INFO = |
| 103 const PrecedenceInfo('==', EQUALITY_PRECEDENCE, EQ_EQ_TOKEN); |
| 104 |
| 105 // Relational operators. |
| 106 const int RELATIONAL_PRECEDENCE = 8; |
| 107 const PrecedenceInfo GT_EQ_INFO = |
| 108 const PrecedenceInfo('>=', RELATIONAL_PRECEDENCE, GT_EQ_TOKEN); |
| 109 const PrecedenceInfo GT_INFO = |
| 110 const PrecedenceInfo('>', RELATIONAL_PRECEDENCE, GT_TOKEN); |
| 111 const PrecedenceInfo IS_INFO = |
| 112 const PrecedenceInfo('is', RELATIONAL_PRECEDENCE, KEYWORD_TOKEN); |
| 113 const PrecedenceInfo AS_INFO = |
| 114 const PrecedenceInfo('as', RELATIONAL_PRECEDENCE, KEYWORD_TOKEN); |
| 115 const PrecedenceInfo LT_EQ_INFO = |
| 116 const PrecedenceInfo('<=', RELATIONAL_PRECEDENCE, LT_EQ_TOKEN); |
| 117 const PrecedenceInfo LT_INFO = |
| 118 const PrecedenceInfo('<', RELATIONAL_PRECEDENCE, LT_TOKEN); |
| 119 |
| 120 // Shift operators. |
| 121 const PrecedenceInfo GT_GT_INFO = const PrecedenceInfo('>>', 12, GT_GT_TOKEN); |
| 122 const PrecedenceInfo LT_LT_INFO = const PrecedenceInfo('<<', 12, LT_LT_TOKEN); |
| 123 |
| 124 // Additive operators. |
| 125 const PrecedenceInfo MINUS_INFO = const PrecedenceInfo('-', 13, MINUS_TOKEN); |
| 126 const PrecedenceInfo PLUS_INFO = const PrecedenceInfo('+', 13, PLUS_TOKEN); |
| 127 |
| 128 // Multiplicative operators. |
| 129 const PrecedenceInfo PERCENT_INFO = |
| 130 const PrecedenceInfo('%', 14, PERCENT_TOKEN); |
| 131 const PrecedenceInfo SLASH_INFO = const PrecedenceInfo('/', 14, SLASH_TOKEN); |
| 132 const PrecedenceInfo STAR_INFO = const PrecedenceInfo('*', 14, STAR_TOKEN); |
| 133 const PrecedenceInfo TILDE_SLASH_INFO = |
| 134 const PrecedenceInfo('~/', 14, TILDE_SLASH_TOKEN); |
| 135 |
| 136 const int POSTFIX_PRECEDENCE = 15; |
| 137 const PrecedenceInfo PERIOD_INFO = |
| 138 const PrecedenceInfo('.', POSTFIX_PRECEDENCE, PERIOD_TOKEN); |
| 139 const PrecedenceInfo QUESTION_PERIOD_INFO = |
| 140 const PrecedenceInfo('?.', POSTFIX_PRECEDENCE, QUESTION_PERIOD_TOKEN); |
| 141 |
| 142 const PrecedenceInfo KEYWORD_INFO = |
| 143 const PrecedenceInfo('keyword', 0, KEYWORD_TOKEN); |
| 144 |
| 145 const PrecedenceInfo EOF_INFO = const PrecedenceInfo('EOF', 0, EOF_TOKEN); |
| 146 |
| 147 const PrecedenceInfo IDENTIFIER_INFO = |
| 148 const PrecedenceInfo('identifier', 0, IDENTIFIER_TOKEN); |
| 149 |
| 150 const PrecedenceInfo BAD_INPUT_INFO = |
| 151 const PrecedenceInfo('malformed input', 0, BAD_INPUT_TOKEN); |
| 152 |
| 153 const PrecedenceInfo OPEN_PAREN_INFO = |
| 154 const PrecedenceInfo('(', POSTFIX_PRECEDENCE, OPEN_PAREN_TOKEN); |
| 155 |
| 156 const PrecedenceInfo CLOSE_PAREN_INFO = |
| 157 const PrecedenceInfo(')', 0, CLOSE_PAREN_TOKEN); |
| 158 |
| 159 const PrecedenceInfo OPEN_CURLY_BRACKET_INFO = |
| 160 const PrecedenceInfo('{', 0, OPEN_CURLY_BRACKET_TOKEN); |
| 161 |
| 162 const PrecedenceInfo CLOSE_CURLY_BRACKET_INFO = |
| 163 const PrecedenceInfo('}', 0, CLOSE_CURLY_BRACKET_TOKEN); |
| 164 |
| 165 const PrecedenceInfo INT_INFO = const PrecedenceInfo('int', 0, INT_TOKEN); |
| 166 |
| 167 const PrecedenceInfo STRING_INFO = |
| 168 const PrecedenceInfo('string', 0, STRING_TOKEN); |
| 169 |
| 170 const PrecedenceInfo OPEN_SQUARE_BRACKET_INFO = |
| 171 const PrecedenceInfo('[', POSTFIX_PRECEDENCE, OPEN_SQUARE_BRACKET_TOKEN); |
| 172 |
| 173 const PrecedenceInfo CLOSE_SQUARE_BRACKET_INFO = |
| 174 const PrecedenceInfo(']', 0, CLOSE_SQUARE_BRACKET_TOKEN); |
| 175 |
| 176 const PrecedenceInfo DOUBLE_INFO = |
| 177 const PrecedenceInfo('double', 0, DOUBLE_TOKEN); |
| 178 |
| 179 const PrecedenceInfo STRING_INTERPOLATION_INFO = |
| 180 const PrecedenceInfo('\${', 0, STRING_INTERPOLATION_TOKEN); |
| 181 |
| 182 const PrecedenceInfo STRING_INTERPOLATION_IDENTIFIER_INFO = |
| 183 const PrecedenceInfo('\$', 0, STRING_INTERPOLATION_IDENTIFIER_TOKEN); |
| 184 |
| 185 const PrecedenceInfo HEXADECIMAL_INFO = |
| 186 const PrecedenceInfo('hexadecimal', 0, HEXADECIMAL_TOKEN); |
| 187 |
| 188 const PrecedenceInfo COMMENT_INFO = |
| 189 const PrecedenceInfo('comment', 0, COMMENT_TOKEN); |
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