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Issue 1661483002: Revert of [regexp] implement /ui to mirror the implementation for /i. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: add cause of revert as test case Created 4 years, 10 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 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 #include "src/regexp/regexp-parser.h" 5 #include "src/regexp/regexp-parser.h"
6 6
7 #include "src/char-predicates-inl.h" 7 #include "src/char-predicates-inl.h"
8 #include "src/factory.h" 8 #include "src/factory.h"
9 #include "src/isolate.h" 9 #include "src/isolate.h"
10 #include "src/objects-inl.h" 10 #include "src/objects-inl.h"
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1287 if (to >= kNonBmpStart) return true; 1287 if (to >= kNonBmpStart) return true;
1288 // Check for lone surrogates. 1288 // Check for lone surrogates.
1289 if (from <= kTrailSurrogateEnd && to >= kLeadSurrogateStart) return true; 1289 if (from <= kTrailSurrogateEnd && to >= kLeadSurrogateStart) return true;
1290 } 1290 }
1291 return false; 1291 return false;
1292 } 1292 }
1293 1293
1294 1294
1295 bool RegExpBuilder::NeedsDesugaringForIgnoreCase(uc32 c) { 1295 bool RegExpBuilder::NeedsDesugaringForIgnoreCase(uc32 c) {
1296 #ifdef V8_I18N_SUPPORT 1296 #ifdef V8_I18N_SUPPORT
1297 if (unicode() && ignore_case() && c >= kNonBmpStart) { 1297 if (unicode() && ignore_case()) {
1298 // BMP characters are handled in the case-insensitive TextEmitPass.
1299 // Surrogate code units do not have case equivalents.
1300 // Non-BMP characters need to be desugared into two uc16 parts.
1301 USet* set = uset_open(c, c); 1298 USet* set = uset_open(c, c);
1302 uset_closeOver(set, USET_CASE_INSENSITIVE); 1299 uset_closeOver(set, USET_CASE_INSENSITIVE);
1303 uset_removeAllStrings(set); 1300 uset_removeAllStrings(set);
1304 bool result = uset_size(set) > 1; 1301 bool result = uset_size(set) > 1;
1305 uset_close(set); 1302 uset_close(set);
1306 return result; 1303 return result;
1307 } 1304 }
1308 // In the case where ICU is not included, we act as if the unicode flag is 1305 // In the case where ICU is not included, we act as if the unicode flag is
1309 // not set, and do not desugar. 1306 // not set, and do not desugar.
1310 #endif // V8_I18N_SUPPORT 1307 #endif // V8_I18N_SUPPORT
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1365 return false; 1362 return false;
1366 } 1363 }
1367 terms_.Add(new (zone()) RegExpQuantifier(min, max, quantifier_type, atom), 1364 terms_.Add(new (zone()) RegExpQuantifier(min, max, quantifier_type, atom),
1368 zone()); 1365 zone());
1369 LAST(ADD_TERM); 1366 LAST(ADD_TERM);
1370 return true; 1367 return true;
1371 } 1368 }
1372 1369
1373 } // namespace internal 1370 } // namespace internal
1374 } // namespace v8 1371 } // namespace v8
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