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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file defines all of the flags. It is separated into different section, | 5 // This file defines all of the flags. It is separated into different section, |
6 // for Debug, Release, Logging and Profiling, etc. To add a new flag, find the | 6 // for Debug, Release, Logging and Profiling, etc. To add a new flag, find the |
7 // correct section, and use one of the DEFINE_ macros, without a trailing ';'. | 7 // correct section, and use one of the DEFINE_ macros, without a trailing ';'. |
8 // | 8 // |
9 // This include does not have a guard, because it is a template-style include, | 9 // This include does not have a guard, because it is a template-style include, |
10 // which can be included multiple times in different modes. It expects to have | 10 // which can be included multiple times in different modes. It expects to have |
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172 | 172 |
173 // Flags for language modes and experimental language features. | 173 // Flags for language modes and experimental language features. |
174 DEFINE_BOOL(use_strict, false, "enforce strict mode") | 174 DEFINE_BOOL(use_strict, false, "enforce strict mode") |
175 DEFINE_BOOL(use_strong, false, "enforce strong mode") | 175 DEFINE_BOOL(use_strong, false, "enforce strong mode") |
176 DEFINE_IMPLICATION(use_strong, use_strict) | 176 DEFINE_IMPLICATION(use_strong, use_strict) |
177 | 177 |
178 DEFINE_BOOL(strong_mode, false, "experimental strong language mode") | 178 DEFINE_BOOL(strong_mode, false, "experimental strong language mode") |
179 DEFINE_IMPLICATION(use_strong, strong_mode) | 179 DEFINE_IMPLICATION(use_strong, strong_mode) |
180 DEFINE_BOOL(strong_this, true, "don't allow 'this' to escape from constructors") | 180 DEFINE_BOOL(strong_this, true, "don't allow 'this' to escape from constructors") |
181 | 181 |
| 182 #ifdef V8_I18N_SUPPORT |
| 183 DEFINE_BOOL(icu_case_mapping, false, |
| 184 "case mapping with ICU rather than Unibrow") |
| 185 #endif |
| 186 |
182 DEFINE_BOOL(es_staging, false, | 187 DEFINE_BOOL(es_staging, false, |
183 "enable test-worthy harmony features (for internal use only)") | 188 "enable test-worthy harmony features (for internal use only)") |
184 DEFINE_BOOL(harmony, false, "enable all completed harmony features") | 189 DEFINE_BOOL(harmony, false, "enable all completed harmony features") |
185 DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony features") | 190 DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony features") |
186 DEFINE_IMPLICATION(es_staging, harmony) | 191 DEFINE_IMPLICATION(es_staging, harmony) |
187 | 192 |
188 DEFINE_BOOL(legacy_const, true, "legacy semantics for const in sloppy mode") | 193 DEFINE_BOOL(legacy_const, true, "legacy semantics for const in sloppy mode") |
189 // ES2015 const semantics are staged | 194 // ES2015 const semantics are staged |
190 DEFINE_NEG_IMPLICATION(harmony, legacy_const) | 195 DEFINE_NEG_IMPLICATION(harmony, legacy_const) |
191 | 196 |
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1134 #undef DEFINE_ALIAS_FLOAT | 1139 #undef DEFINE_ALIAS_FLOAT |
1135 #undef DEFINE_ALIAS_ARGS | 1140 #undef DEFINE_ALIAS_ARGS |
1136 | 1141 |
1137 #undef FLAG_MODE_DECLARE | 1142 #undef FLAG_MODE_DECLARE |
1138 #undef FLAG_MODE_DEFINE | 1143 #undef FLAG_MODE_DEFINE |
1139 #undef FLAG_MODE_DEFINE_DEFAULTS | 1144 #undef FLAG_MODE_DEFINE_DEFAULTS |
1140 #undef FLAG_MODE_META | 1145 #undef FLAG_MODE_META |
1141 #undef FLAG_MODE_DEFINE_IMPLICATIONS | 1146 #undef FLAG_MODE_DEFINE_IMPLICATIONS |
1142 | 1147 |
1143 #undef COMMA | 1148 #undef COMMA |
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