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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/conversions-inl.h" | 8 #include "src/conversions-inl.h" |
9 #include "src/isolate-inl.h" | 9 #include "src/isolate-inl.h" |
10 #include "src/messages.h" | 10 #include "src/messages.h" |
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480 MUST_USE_RESULT static Object* StringReplaceGlobalRegExpWithString( | 480 MUST_USE_RESULT static Object* StringReplaceGlobalRegExpWithString( |
481 Isolate* isolate, Handle<String> subject, Handle<JSRegExp> regexp, | 481 Isolate* isolate, Handle<String> subject, Handle<JSRegExp> regexp, |
482 Handle<String> replacement, Handle<RegExpMatchInfo> last_match_info) { | 482 Handle<String> replacement, Handle<RegExpMatchInfo> last_match_info) { |
483 DCHECK(subject->IsFlat()); | 483 DCHECK(subject->IsFlat()); |
484 DCHECK(replacement->IsFlat()); | 484 DCHECK(replacement->IsFlat()); |
485 | 485 |
486 int capture_count = regexp->CaptureCount(); | 486 int capture_count = regexp->CaptureCount(); |
487 int subject_length = subject->length(); | 487 int subject_length = subject->length(); |
488 | 488 |
489 // CompiledReplacement uses zone allocation. | 489 // CompiledReplacement uses zone allocation. |
490 Zone zone(isolate->allocator()); | 490 Zone zone(isolate->allocator(), ZONE_NAME); |
491 CompiledReplacement compiled_replacement(&zone); | 491 CompiledReplacement compiled_replacement(&zone); |
492 bool simple_replace = | 492 bool simple_replace = |
493 compiled_replacement.Compile(replacement, capture_count, subject_length); | 493 compiled_replacement.Compile(replacement, capture_count, subject_length); |
494 | 494 |
495 // Shortcut for simple non-regexp global replacements | 495 // Shortcut for simple non-regexp global replacements |
496 if (regexp->TypeTag() == JSRegExp::ATOM && simple_replace) { | 496 if (regexp->TypeTag() == JSRegExp::ATOM && simple_replace) { |
497 if (subject->HasOnlyOneByteChars() && replacement->HasOnlyOneByteChars()) { | 497 if (subject->HasOnlyOneByteChars() && replacement->HasOnlyOneByteChars()) { |
498 return StringReplaceGlobalAtomRegExpWithString<SeqOneByteString>( | 498 return StringReplaceGlobalAtomRegExpWithString<SeqOneByteString>( |
499 isolate, subject, regexp, replacement, last_match_info); | 499 isolate, subject, regexp, replacement, last_match_info); |
500 } else { | 500 } else { |
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1510 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 1510 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
1511 isolate, exec, JSObject::GetProperty( | 1511 isolate, exec, JSObject::GetProperty( |
1512 recv, factory->NewStringFromAsciiChecked("exec"))); | 1512 recv, factory->NewStringFromAsciiChecked("exec"))); |
1513 if (RegExpUtils::IsBuiltinExec(exec)) { | 1513 if (RegExpUtils::IsBuiltinExec(exec)) { |
1514 RETURN_RESULT_OR_FAILURE( | 1514 RETURN_RESULT_OR_FAILURE( |
1515 isolate, RegExpReplace(isolate, Handle<JSRegExp>::cast(recv), string, | 1515 isolate, RegExpReplace(isolate, Handle<JSRegExp>::cast(recv), string, |
1516 replace_obj)); | 1516 replace_obj)); |
1517 } | 1517 } |
1518 } | 1518 } |
1519 | 1519 |
1520 Zone zone(isolate->allocator()); | 1520 Zone zone(isolate->allocator(), ZONE_NAME); |
1521 ZoneVector<Handle<Object>> results(&zone); | 1521 ZoneVector<Handle<Object>> results(&zone); |
1522 | 1522 |
1523 while (true) { | 1523 while (true) { |
1524 Handle<Object> result; | 1524 Handle<Object> result; |
1525 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 1525 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
1526 isolate, result, RegExpUtils::RegExpExec(isolate, recv, string, exec)); | 1526 isolate, result, RegExpUtils::RegExpExec(isolate, recv, string, exec)); |
1527 | 1527 |
1528 // Ensure exec will be read again on the next loop through. | 1528 // Ensure exec will be read again on the next loop through. |
1529 exec = factory->undefined_value(); | 1529 exec = factory->undefined_value(); |
1530 | 1530 |
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1652 | 1652 |
1653 RUNTIME_FUNCTION(Runtime_IsRegExp) { | 1653 RUNTIME_FUNCTION(Runtime_IsRegExp) { |
1654 SealHandleScope shs(isolate); | 1654 SealHandleScope shs(isolate); |
1655 DCHECK(args.length() == 1); | 1655 DCHECK(args.length() == 1); |
1656 CONVERT_ARG_CHECKED(Object, obj, 0); | 1656 CONVERT_ARG_CHECKED(Object, obj, 0); |
1657 return isolate->heap()->ToBoolean(obj->IsJSRegExp()); | 1657 return isolate->heap()->ToBoolean(obj->IsJSRegExp()); |
1658 } | 1658 } |
1659 | 1659 |
1660 } // namespace internal | 1660 } // namespace internal |
1661 } // namespace v8 | 1661 } // namespace v8 |
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