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Side by Side Diff: src/extensions/externalize-string-extension.cc

Issue 6685088: Merge isolates to bleeding_edge. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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93 return v8::ThrowException(v8::String::New( 93 return v8::ThrowException(v8::String::New(
94 "externalizeString() can't externalize twice.")); 94 "externalizeString() can't externalize twice."));
95 } 95 }
96 if (string->IsAsciiRepresentation() && !force_two_byte) { 96 if (string->IsAsciiRepresentation() && !force_two_byte) {
97 char* data = new char[string->length()]; 97 char* data = new char[string->length()];
98 String::WriteToFlat(*string, data, 0, string->length()); 98 String::WriteToFlat(*string, data, 0, string->length());
99 SimpleAsciiStringResource* resource = new SimpleAsciiStringResource( 99 SimpleAsciiStringResource* resource = new SimpleAsciiStringResource(
100 data, string->length()); 100 data, string->length());
101 result = string->MakeExternal(resource); 101 result = string->MakeExternal(resource);
102 if (result && !string->IsSymbol()) { 102 if (result && !string->IsSymbol()) {
103 i::ExternalStringTable::AddString(*string); 103 HEAP->external_string_table()->AddString(*string);
104 } 104 }
105 if (!result) delete resource; 105 if (!result) delete resource;
106 } else { 106 } else {
107 uc16* data = new uc16[string->length()]; 107 uc16* data = new uc16[string->length()];
108 String::WriteToFlat(*string, data, 0, string->length()); 108 String::WriteToFlat(*string, data, 0, string->length());
109 SimpleTwoByteStringResource* resource = new SimpleTwoByteStringResource( 109 SimpleTwoByteStringResource* resource = new SimpleTwoByteStringResource(
110 data, string->length()); 110 data, string->length());
111 result = string->MakeExternal(resource); 111 result = string->MakeExternal(resource);
112 if (result && !string->IsSymbol()) { 112 if (result && !string->IsSymbol()) {
113 i::ExternalStringTable::AddString(*string); 113 HEAP->external_string_table()->AddString(*string);
114 } 114 }
115 if (!result) delete resource; 115 if (!result) delete resource;
116 } 116 }
117 if (!result) { 117 if (!result) {
118 return v8::ThrowException(v8::String::New("externalizeString() failed.")); 118 return v8::ThrowException(v8::String::New("externalizeString() failed."));
119 } 119 }
120 return v8::Undefined(); 120 return v8::Undefined();
121 } 121 }
122 122
123 123
124 v8::Handle<v8::Value> ExternalizeStringExtension::IsAscii( 124 v8::Handle<v8::Value> ExternalizeStringExtension::IsAscii(
125 const v8::Arguments& args) { 125 const v8::Arguments& args) {
126 if (args.Length() != 1 || !args[0]->IsString()) { 126 if (args.Length() != 1 || !args[0]->IsString()) {
127 return v8::ThrowException(v8::String::New( 127 return v8::ThrowException(v8::String::New(
128 "isAsciiString() requires a single string argument.")); 128 "isAsciiString() requires a single string argument."));
129 } 129 }
130 return Utils::OpenHandle(*args[0].As<v8::String>())->IsAsciiRepresentation() ? 130 return Utils::OpenHandle(*args[0].As<v8::String>())->IsAsciiRepresentation() ?
131 v8::True() : v8::False(); 131 v8::True() : v8::False();
132 } 132 }
133 133
134 134
135 void ExternalizeStringExtension::Register() { 135 void ExternalizeStringExtension::Register() {
136 static ExternalizeStringExtension externalize_extension; 136 static ExternalizeStringExtension externalize_extension;
137 static v8::DeclareExtension externalize_extension_declaration( 137 static v8::DeclareExtension externalize_extension_declaration(
138 &externalize_extension); 138 &externalize_extension);
139 } 139 }
140 140
141 } } // namespace v8::internal 141 } } // namespace v8::internal
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