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Issue 8008: Minor cleanups. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 12 years, 2 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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2871 2871
2872 Vector<const char> String::ToAsciiVector() { 2872 Vector<const char> String::ToAsciiVector() {
2873 ASSERT(IsAsciiRepresentation()); 2873 ASSERT(IsAsciiRepresentation());
2874 ASSERT(IsFlat()); 2874 ASSERT(IsFlat());
2875 2875
2876 int offset = 0; 2876 int offset = 0;
2877 int length = this->length(); 2877 int length = this->length();
2878 StringRepresentationTag string_tag = representation_tag(); 2878 StringRepresentationTag string_tag = representation_tag();
2879 String* string = this; 2879 String* string = this;
2880 if (string_tag == kSlicedStringTag) { 2880 if (string_tag == kSlicedStringTag) {
2881 SlicedString* sliced = SlicedString::cast(string); 2881 SlicedString* sliced = SlicedString::cast(string);
2882 offset += sliced->start(); 2882 offset += sliced->start();
2883 string = String::cast(sliced->buffer()); 2883 string = String::cast(sliced->buffer());
2884 string_tag = string->representation_tag(); 2884 string_tag = string->representation_tag();
2885 } else if (string_tag == kConsStringTag) { 2885 } else if (string_tag == kConsStringTag) {
2886 ConsString* cons = ConsString::cast(string); 2886 ConsString* cons = ConsString::cast(string);
2887 ASSERT(String::cast(cons->second())->length() == 0); 2887 ASSERT(String::cast(cons->second())->length() == 0);
2888 string = String::cast(cons->first()); 2888 string = String::cast(cons->first());
2889 string_tag = string->representation_tag(); 2889 string_tag = string->representation_tag();
2890 } 2890 }
2891 if (string_tag == kSeqStringTag) { 2891 if (string_tag == kSeqStringTag) {
2892 SeqAsciiString* seq = SeqAsciiString::cast(string); 2892 SeqAsciiString* seq = SeqAsciiString::cast(string);
2893 char* start = reinterpret_cast<char*>(seq->GetCharsAddress()); 2893 char* start = reinterpret_cast<char*>(seq->GetCharsAddress());
2894 return Vector<const char>(start + offset, length); 2894 return Vector<const char>(start + offset, length);
2895 } 2895 }
2896 ASSERT(string_tag == kExternalStringTag); 2896 ASSERT(string_tag == kExternalStringTag);
2897 ExternalAsciiString* ext = ExternalAsciiString::cast(string); 2897 ExternalAsciiString* ext = ExternalAsciiString::cast(string);
2898 const char* start = ext->resource()->data(); 2898 const char* start = ext->resource()->data();
2899 return Vector<const char>(start + offset, length); 2899 return Vector<const char>(start + offset, length);
2900 } 2900 }
2901 2901
2902 2902
2903 Vector<const uc16> String::ToUC16Vector() { 2903 Vector<const uc16> String::ToUC16Vector() {
2904 ASSERT(IsTwoByteStringRepresentation()); 2904 ASSERT(IsTwoByteStringRepresentation());
2905 ASSERT(IsFlat()); 2905 ASSERT(IsFlat());
2906 2906
2907 int offset = 0; 2907 int offset = 0;
2908 int length = this->length(); 2908 int length = this->length();
2909 StringRepresentationTag string_tag = representation_tag(); 2909 StringRepresentationTag string_tag = representation_tag();
2910 String* string = this; 2910 String* string = this;
2911 if (string_tag == kSlicedStringTag) { 2911 if (string_tag == kSlicedStringTag) {
2912 SlicedString* sliced = SlicedString::cast(string); 2912 SlicedString* sliced = SlicedString::cast(string);
2913 offset += sliced->start(); 2913 offset += sliced->start();
2914 string = String::cast(sliced->buffer()); 2914 string = String::cast(sliced->buffer());
2915 string_tag = string->representation_tag(); 2915 string_tag = string->representation_tag();
2916 } else if (string_tag == kConsStringTag) { 2916 } else if (string_tag == kConsStringTag) {
2917 ConsString* cons = ConsString::cast(string); 2917 ConsString* cons = ConsString::cast(string);
2918 ASSERT(String::cast(cons->second())->length() == 0); 2918 ASSERT(String::cast(cons->second())->length() == 0);
2919 string = String::cast(cons->first()); 2919 string = String::cast(cons->first());
2920 string_tag = string->representation_tag(); 2920 string_tag = string->representation_tag();
2921 } 2921 }
2922 if (string_tag == kSeqStringTag) { 2922 if (string_tag == kSeqStringTag) {
2923 SeqTwoByteString* seq = SeqTwoByteString::cast(string); 2923 SeqTwoByteString* seq = SeqTwoByteString::cast(string);
2924 uc16* start = reinterpret_cast<uc16*>(seq->GetCharsAddress()); 2924 uc16* start = reinterpret_cast<uc16*>(seq->GetCharsAddress());
2925 return Vector<const uc16>(start + offset, length); 2925 return Vector<const uc16>(start + offset, length);
2926 } 2926 }
2927 ASSERT(string_tag == kExternalStringTag); 2927 ASSERT(string_tag == kExternalStringTag);
2928 ExternalTwoByteString* ext = ExternalTwoByteString::cast(string); 2928 ExternalTwoByteString* ext = ExternalTwoByteString::cast(string);
2929 const uc16* start = 2929 const uc16* start =
2930 reinterpret_cast<const uc16*>(ext->resource()->data()); 2930 reinterpret_cast<const uc16*>(ext->resource()->data());
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6478 // No break point. 6478 // No break point.
6479 if (break_point_objects()->IsUndefined()) return 0; 6479 if (break_point_objects()->IsUndefined()) return 0;
6480 // Single beak point. 6480 // Single beak point.
6481 if (!break_point_objects()->IsFixedArray()) return 1; 6481 if (!break_point_objects()->IsFixedArray()) return 1;
6482 // Multiple break points. 6482 // Multiple break points.
6483 return FixedArray::cast(break_point_objects())->length(); 6483 return FixedArray::cast(break_point_objects())->length();
6484 } 6484 }
6485 6485
6486 6486
6487 } } // namespace v8::internal 6487 } } // namespace v8::internal
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