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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 // 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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494 SerializeDeferredKey(deferred_comma, key); | 494 SerializeDeferredKey(deferred_comma, key); |
495 } | 495 } |
496 | 496 |
497 Handle<String> result_string = Handle<String>::cast(result); | 497 Handle<String> result_string = Handle<String>::cast(result); |
498 // Shrink current part, attach it to the accumulator, also attach the result | 498 // Shrink current part, attach it to the accumulator, also attach the result |
499 // string to the accumulator, and allocate a new part. | 499 // string to the accumulator, and allocate a new part. |
500 ShrinkCurrentPart(); // Shrink. | 500 ShrinkCurrentPart(); // Shrink. |
501 part_length_ = kInitialPartLength; // Allocate conservatively. | 501 part_length_ = kInitialPartLength; // Allocate conservatively. |
502 Extend(); // Attach current part and allocate new part. | 502 Extend(); // Attach current part and allocate new part. |
503 // Attach result string to the accumulator. | 503 // Attach result string to the accumulator. |
504 Handle<String> cons; | 504 Handle<String> cons = factory_->NewConsString(accumulator(), result_string); |
505 ASSIGN_RETURN_ON_EXCEPTION_VALUE( | 505 RETURN_IF_EMPTY_HANDLE_VALUE(isolate_, cons, EXCEPTION); |
506 isolate_, cons, | |
507 factory_->NewConsString(accumulator(), result_string), | |
508 EXCEPTION); | |
509 set_accumulator(cons); | 506 set_accumulator(cons); |
510 return SUCCESS; | 507 return SUCCESS; |
511 } | 508 } |
512 | 509 |
513 | 510 |
514 BasicJsonStringifier::Result BasicJsonStringifier::SerializeJSValue( | 511 BasicJsonStringifier::Result BasicJsonStringifier::SerializeJSValue( |
515 Handle<JSValue> object) { | 512 Handle<JSValue> object) { |
516 bool has_exception = false; | 513 bool has_exception = false; |
517 String* class_name = object->class_name(); | 514 String* class_name = object->class_name(); |
518 if (class_name == isolate_->heap()->String_string()) { | 515 if (class_name == isolate_->heap()->String_string()) { |
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727 current_index_); | 724 current_index_); |
728 } | 725 } |
729 | 726 |
730 | 727 |
731 void BasicJsonStringifier::Accumulate() { | 728 void BasicJsonStringifier::Accumulate() { |
732 if (accumulator()->length() + current_part_->length() > String::kMaxLength) { | 729 if (accumulator()->length() + current_part_->length() > String::kMaxLength) { |
733 // Screw it. Simply set the flag and carry on. Throw exception at the end. | 730 // Screw it. Simply set the flag and carry on. Throw exception at the end. |
734 set_accumulator(factory_->empty_string()); | 731 set_accumulator(factory_->empty_string()); |
735 overflowed_ = true; | 732 overflowed_ = true; |
736 } else { | 733 } else { |
737 set_accumulator(factory_->NewConsString(accumulator(), | 734 set_accumulator(factory_->NewConsString(accumulator(), current_part_)); |
738 current_part_).ToHandleChecked()); | |
739 } | 735 } |
740 } | 736 } |
741 | 737 |
742 | 738 |
743 void BasicJsonStringifier::Extend() { | 739 void BasicJsonStringifier::Extend() { |
744 Accumulate(); | 740 Accumulate(); |
745 if (part_length_ <= kMaxPartLength / kPartLengthGrowthFactor) { | 741 if (part_length_ <= kMaxPartLength / kPartLengthGrowthFactor) { |
746 part_length_ *= kPartLengthGrowthFactor; | 742 part_length_ *= kPartLengthGrowthFactor; |
747 } | 743 } |
748 if (is_ascii_) { | 744 if (is_ascii_) { |
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881 SerializeString_<false, uint8_t>(object); | 877 SerializeString_<false, uint8_t>(object); |
882 } else { | 878 } else { |
883 SerializeString_<false, uc16>(object); | 879 SerializeString_<false, uc16>(object); |
884 } | 880 } |
885 } | 881 } |
886 } | 882 } |
887 | 883 |
888 } } // namespace v8::internal | 884 } } // namespace v8::internal |
889 | 885 |
890 #endif // V8_JSON_STRINGIFIER_H_ | 886 #endif // V8_JSON_STRINGIFIER_H_ |
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