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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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125 // likely used in a context other than Worker's onmessage environment and the | 125 // likely used in a context other than Worker's onmessage environment and the |
126 // presence of current v8 context is not guaranteed. Avoid calling v8 then. | 126 // presence of current v8 context is not guaranteed. Avoid calling v8 then. |
127 if (m_externallyAllocatedMemory) { | 127 if (m_externallyAllocatedMemory) { |
128 ASSERT(v8::Isolate::GetCurrent()); | 128 ASSERT(v8::Isolate::GetCurrent()); |
129 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory( | 129 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory( |
130 -m_externallyAllocatedMemory); | 130 -m_externallyAllocatedMemory); |
131 } | 131 } |
132 } | 132 } |
133 | 133 |
134 PassRefPtr<SerializedScriptValue> SerializedScriptValue::nullValue() { | 134 PassRefPtr<SerializedScriptValue> SerializedScriptValue::nullValue() { |
135 return create(ScriptValueSerializer::serializeNullValue()); | 135 // UChar rather than uint8_t here to get host endian behavior. |
| 136 static const UChar kNullData[] = {0xff09, 0x3000}; |
| 137 return create(reinterpret_cast<const char*>(kNullData), sizeof(kNullData)); |
136 } | 138 } |
137 | 139 |
138 String SerializedScriptValue::toWireString() const { | 140 String SerializedScriptValue::toWireString() const { |
139 if (!m_dataString.isNull()) | 141 if (!m_dataString.isNull()) |
140 return m_dataString; | 142 return m_dataString; |
141 | 143 |
142 // Add the padding '\0', but don't put it in |m_dataBuffer|. | 144 // Add the padding '\0', but don't put it in |m_dataBuffer|. |
143 // This requires direct use of uninitialized strings, though. | 145 // This requires direct use of uninitialized strings, though. |
144 UChar* destination; | 146 UChar* destination; |
145 size_t stringSizeBytes = (m_dataBufferSize + 1) & ~1; | 147 size_t stringSizeBytes = (m_dataBufferSize + 1) & ~1; |
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465 void SerializedScriptValue::registerMemoryAllocatedWithCurrentScriptContext() { | 467 void SerializedScriptValue::registerMemoryAllocatedWithCurrentScriptContext() { |
466 if (m_externallyAllocatedMemory) | 468 if (m_externallyAllocatedMemory) |
467 return; | 469 return; |
468 | 470 |
469 m_externallyAllocatedMemory = static_cast<intptr_t>(dataLengthInBytes()); | 471 m_externallyAllocatedMemory = static_cast<intptr_t>(dataLengthInBytes()); |
470 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory( | 472 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory( |
471 m_externallyAllocatedMemory); | 473 m_externallyAllocatedMemory); |
472 } | 474 } |
473 | 475 |
474 } // namespace blink | 476 } // namespace blink |
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