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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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675 return this; | 675 return this; |
676 } | 676 } |
677 } | 677 } |
678 | 678 |
679 | 679 |
680 bool String::MakeExternal(v8::String::ExternalStringResource* resource) { | 680 bool String::MakeExternal(v8::String::ExternalStringResource* resource) { |
681 #ifdef DEBUG | 681 #ifdef DEBUG |
682 if (FLAG_enable_slow_asserts) { | 682 if (FLAG_enable_slow_asserts) { |
683 // Assert that the resource and the string are equivalent. | 683 // Assert that the resource and the string are equivalent. |
684 ASSERT(static_cast<size_t>(this->length()) == resource->length()); | 684 ASSERT(static_cast<size_t>(this->length()) == resource->length()); |
685 SmartPointer<uc16> smart_chars(NewArray<uc16>(this->length())); | 685 ScopedVector<uc16> smart_chars(this->length()); |
686 String::WriteToFlat(this, *smart_chars, 0, this->length()); | 686 String::WriteToFlat(this, smart_chars.start(), 0, this->length()); |
687 ASSERT(memcmp(*smart_chars, | 687 ASSERT(memcmp(smart_chars.start(), |
688 resource->data(), | 688 resource->data(), |
689 resource->length() * sizeof(**smart_chars)) == 0); | 689 resource->length() * sizeof(smart_chars[0])) == 0); |
690 } | 690 } |
691 #endif // DEBUG | 691 #endif // DEBUG |
692 | 692 |
693 int size = this->Size(); // Byte size of the original string. | 693 int size = this->Size(); // Byte size of the original string. |
694 if (size < ExternalString::kSize) { | 694 if (size < ExternalString::kSize) { |
695 // The string is too small to fit an external String in its place. This can | 695 // The string is too small to fit an external String in its place. This can |
696 // only happen for zero length strings. | 696 // only happen for zero length strings. |
697 return false; | 697 return false; |
698 } | 698 } |
699 ASSERT(size >= ExternalString::kSize); | 699 ASSERT(size >= ExternalString::kSize); |
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721 Heap::CreateFillerObjectAt(this->address() + new_size, size - new_size); | 721 Heap::CreateFillerObjectAt(this->address() + new_size, size - new_size); |
722 return true; | 722 return true; |
723 } | 723 } |
724 | 724 |
725 | 725 |
726 bool String::MakeExternal(v8::String::ExternalAsciiStringResource* resource) { | 726 bool String::MakeExternal(v8::String::ExternalAsciiStringResource* resource) { |
727 #ifdef DEBUG | 727 #ifdef DEBUG |
728 if (FLAG_enable_slow_asserts) { | 728 if (FLAG_enable_slow_asserts) { |
729 // Assert that the resource and the string are equivalent. | 729 // Assert that the resource and the string are equivalent. |
730 ASSERT(static_cast<size_t>(this->length()) == resource->length()); | 730 ASSERT(static_cast<size_t>(this->length()) == resource->length()); |
731 SmartPointer<char> smart_chars(NewArray<char>(this->length())); | 731 ScopedVector<char> smart_chars(this->length()); |
732 String::WriteToFlat(this, *smart_chars, 0, this->length()); | 732 String::WriteToFlat(this, smart_chars.start(), 0, this->length()); |
733 ASSERT(memcmp(*smart_chars, | 733 ASSERT(memcmp(smart_chars.start(), |
734 resource->data(), | 734 resource->data(), |
735 resource->length()*sizeof(**smart_chars)) == 0); | 735 resource->length() * sizeof(smart_chars[0])) == 0); |
736 } | 736 } |
737 #endif // DEBUG | 737 #endif // DEBUG |
738 | 738 |
739 int size = this->Size(); // Byte size of the original string. | 739 int size = this->Size(); // Byte size of the original string. |
740 if (size < ExternalString::kSize) { | 740 if (size < ExternalString::kSize) { |
741 // The string is too small to fit an external String in its place. This can | 741 // The string is too small to fit an external String in its place. This can |
742 // only happen for zero length strings. | 742 // only happen for zero length strings. |
743 return false; | 743 return false; |
744 } | 744 } |
745 ASSERT(size >= ExternalString::kSize); | 745 ASSERT(size >= ExternalString::kSize); |
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8545 if (break_point_objects()->IsUndefined()) return 0; | 8545 if (break_point_objects()->IsUndefined()) return 0; |
8546 // Single beak point. | 8546 // Single beak point. |
8547 if (!break_point_objects()->IsFixedArray()) return 1; | 8547 if (!break_point_objects()->IsFixedArray()) return 1; |
8548 // Multiple break points. | 8548 // Multiple break points. |
8549 return FixedArray::cast(break_point_objects())->length(); | 8549 return FixedArray::cast(break_point_objects())->length(); |
8550 } | 8550 } |
8551 #endif | 8551 #endif |
8552 | 8552 |
8553 | 8553 |
8554 } } // namespace v8::internal | 8554 } } // namespace v8::internal |
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