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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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212 V(harmony_exponentiation_operator, "harmony exponentiation operator `**`") | 212 V(harmony_exponentiation_operator, "harmony exponentiation operator `**`") |
213 | 213 |
214 // Features that are shipping (turned on by default, but internal flag remains). | 214 // Features that are shipping (turned on by default, but internal flag remains). |
215 #define HARMONY_SHIPPING(V) \ | 215 #define HARMONY_SHIPPING(V) \ |
216 V(harmony_array_prototype_values, "harmony Array.prototype.values") \ | 216 V(harmony_array_prototype_values, "harmony Array.prototype.values") \ |
217 V(harmony_function_name, "harmony Function name inference") \ | 217 V(harmony_function_name, "harmony Function name inference") \ |
218 V(harmony_instanceof, "harmony instanceof support") \ | 218 V(harmony_instanceof, "harmony instanceof support") \ |
219 V(harmony_iterator_close, "harmony iterator finalization") \ | 219 V(harmony_iterator_close, "harmony iterator finalization") \ |
220 V(harmony_unicode_regexps, "harmony unicode regexps") \ | 220 V(harmony_unicode_regexps, "harmony unicode regexps") \ |
221 V(harmony_regexp_exec, "harmony RegExp exec override behavior") \ | 221 V(harmony_regexp_exec, "harmony RegExp exec override behavior") \ |
222 V(harmony_sloppy, "harmony features in sloppy mode") \ | |
223 V(harmony_sloppy_let, "harmony let in sloppy mode") \ | |
224 V(harmony_sloppy_function, "harmony sloppy function block scoping") \ | |
225 V(harmony_regexp_subclass, "harmony regexp subclassing") \ | 222 V(harmony_regexp_subclass, "harmony regexp subclassing") \ |
226 V(harmony_restrictive_declarations, \ | 223 V(harmony_restrictive_declarations, \ |
227 "harmony limitations on sloppy mode function declarations") \ | 224 "harmony limitations on sloppy mode function declarations") \ |
228 V(harmony_species, "harmony Symbol.species") | 225 V(harmony_species, "harmony Symbol.species") |
229 | 226 |
230 // Once a shipping feature has proved stable in the wild, it will be dropped | 227 // Once a shipping feature has proved stable in the wild, it will be dropped |
231 // from HARMONY_SHIPPING, all occurrences of the FLAG_ variable are removed, | 228 // from HARMONY_SHIPPING, all occurrences of the FLAG_ variable are removed, |
232 // and associated tests are moved from the harmony directory to the appropriate | 229 // and associated tests are moved from the harmony directory to the appropriate |
233 // esN directory. | 230 // esN directory. |
234 | 231 |
235 | 232 |
236 #define FLAG_INPROGRESS_FEATURES(id, description) \ | 233 #define FLAG_INPROGRESS_FEATURES(id, description) \ |
237 DEFINE_BOOL(id, false, "enable " #description " (in progress)") | 234 DEFINE_BOOL(id, false, "enable " #description " (in progress)") |
238 HARMONY_INPROGRESS(FLAG_INPROGRESS_FEATURES) | 235 HARMONY_INPROGRESS(FLAG_INPROGRESS_FEATURES) |
239 #undef FLAG_INPROGRESS_FEATURES | 236 #undef FLAG_INPROGRESS_FEATURES |
240 | 237 |
241 #define FLAG_STAGED_FEATURES(id, description) \ | 238 #define FLAG_STAGED_FEATURES(id, description) \ |
242 DEFINE_BOOL(id, false, "enable " #description) \ | 239 DEFINE_BOOL(id, false, "enable " #description) \ |
243 DEFINE_IMPLICATION(harmony, id) | 240 DEFINE_IMPLICATION(harmony, id) |
244 HARMONY_STAGED(FLAG_STAGED_FEATURES) | 241 HARMONY_STAGED(FLAG_STAGED_FEATURES) |
245 #undef FLAG_STAGED_FEATURES | 242 #undef FLAG_STAGED_FEATURES |
246 | 243 |
247 #define FLAG_SHIPPING_FEATURES(id, description) \ | 244 #define FLAG_SHIPPING_FEATURES(id, description) \ |
248 DEFINE_BOOL(id, true, "enable " #description) \ | 245 DEFINE_BOOL(id, true, "enable " #description) \ |
249 DEFINE_NEG_NEG_IMPLICATION(harmony_shipping, id) | 246 DEFINE_NEG_NEG_IMPLICATION(harmony_shipping, id) |
250 HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES) | 247 HARMONY_SHIPPING(FLAG_SHIPPING_FEATURES) |
251 #undef FLAG_SHIPPING_FEATURES | 248 #undef FLAG_SHIPPING_FEATURES |
252 | 249 |
253 | |
254 // Feature dependencies. | |
255 DEFINE_IMPLICATION(harmony_sloppy_let, harmony_sloppy) | |
256 DEFINE_IMPLICATION(harmony_sloppy_function, harmony_sloppy) | |
257 | |
258 // Flags for experimental implementation features. | 250 // Flags for experimental implementation features. |
259 DEFINE_BOOL(compiled_keyed_generic_loads, false, | 251 DEFINE_BOOL(compiled_keyed_generic_loads, false, |
260 "use optimizing compiler to generate keyed generic load stubs") | 252 "use optimizing compiler to generate keyed generic load stubs") |
261 DEFINE_BOOL(allocation_site_pretenuring, true, | 253 DEFINE_BOOL(allocation_site_pretenuring, true, |
262 "pretenure with allocation sites") | 254 "pretenure with allocation sites") |
263 DEFINE_BOOL(trace_pretenuring, false, | 255 DEFINE_BOOL(trace_pretenuring, false, |
264 "trace pretenuring decisions of HAllocate instructions") | 256 "trace pretenuring decisions of HAllocate instructions") |
265 DEFINE_BOOL(trace_pretenuring_statistics, false, | 257 DEFINE_BOOL(trace_pretenuring_statistics, false, |
266 "trace allocation site pretenuring statistics") | 258 "trace allocation site pretenuring statistics") |
267 DEFINE_BOOL(track_fields, true, "track fields with only smi values") | 259 DEFINE_BOOL(track_fields, true, "track fields with only smi values") |
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1162 #undef DEFINE_ALIAS_FLOAT | 1154 #undef DEFINE_ALIAS_FLOAT |
1163 #undef DEFINE_ALIAS_ARGS | 1155 #undef DEFINE_ALIAS_ARGS |
1164 | 1156 |
1165 #undef FLAG_MODE_DECLARE | 1157 #undef FLAG_MODE_DECLARE |
1166 #undef FLAG_MODE_DEFINE | 1158 #undef FLAG_MODE_DEFINE |
1167 #undef FLAG_MODE_DEFINE_DEFAULTS | 1159 #undef FLAG_MODE_DEFINE_DEFAULTS |
1168 #undef FLAG_MODE_META | 1160 #undef FLAG_MODE_META |
1169 #undef FLAG_MODE_DEFINE_IMPLICATIONS | 1161 #undef FLAG_MODE_DEFINE_IMPLICATIONS |
1170 | 1162 |
1171 #undef COMMA | 1163 #undef COMMA |
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