本文整理汇总了C++中JSCell::vptr方法的典型用法代码示例。如果您正苦于以下问题：C++ JSCell::vptr方法的具体用法？C++ JSCell::vptr怎么用？C++ JSCell::vptr使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类JSCell的用法示例。
在下文中一共展示了JSCell::vptr方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: storeVPtrs
void JSGlobalData::storeVPtrs()
{
// Enough storage to fit a JSArray, JSByteArray, JSString, or JSFunction.
// COMPILE_ASSERTS below check that this is true.
char storage[64];
COMPILE_ASSERT(sizeof(JSArray) <= sizeof(storage), sizeof_JSArray_must_be_less_than_storage);
JSCell* jsArray = new (storage) JSArray(JSArray::VPtrStealingHack);
CLOBBER_MEMORY();
JSGlobalData::jsArrayVPtr = jsArray->vptr();
COMPILE_ASSERT(sizeof(JSByteArray) <= sizeof(storage), sizeof_JSByteArray_must_be_less_than_storage);
JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
CLOBBER_MEMORY();
JSGlobalData::jsByteArrayVPtr = jsByteArray->vptr();
COMPILE_ASSERT(sizeof(JSString) <= sizeof(storage), sizeof_JSString_must_be_less_than_storage);
JSCell* jsString = new (storage) JSString(JSString::VPtrStealingHack);
CLOBBER_MEMORY();
JSGlobalData::jsStringVPtr = jsString->vptr();
COMPILE_ASSERT(sizeof(JSFunction) <= sizeof(storage), sizeof_JSFunction_must_be_less_than_storage);
JSCell* jsFunction = new (storage) JSFunction(JSCell::VPtrStealingHack);
CLOBBER_MEMORY();
JSGlobalData::jsFunctionVPtr = jsFunction->vptr();
}示例2: storeVPtrs
void JSGlobalData::storeVPtrs()
{
CollectorCell cell;
void* storage = &cell;
COMPILE_ASSERT(sizeof(JSArray) <= sizeof(CollectorCell), sizeof_JSArray_must_be_less_than_CollectorCell);
JSCell* jsArray = new (storage) JSArray(JSArray::createStructure(jsNull()));
JSGlobalData::jsArrayVPtr = jsArray->vptr();
jsArray->~JSCell();
COMPILE_ASSERT(sizeof(JSByteArray) <= sizeof(CollectorCell), sizeof_JSByteArray_must_be_less_than_CollectorCell);
JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
JSGlobalData::jsByteArrayVPtr = jsByteArray->vptr();
jsByteArray->~JSCell();
COMPILE_ASSERT(sizeof(JSString) <= sizeof(CollectorCell), sizeof_JSString_must_be_less_than_CollectorCell);
JSCell* jsString = new (storage) JSString(JSString::VPtrStealingHack);
JSGlobalData::jsStringVPtr = jsString->vptr();
jsString->~JSCell();
COMPILE_ASSERT(sizeof(JSFunction) <= sizeof(CollectorCell), sizeof_JSFunction_must_be_less_than_CollectorCell);
JSCell* jsFunction = new (storage) JSFunction(JSFunction::createStructure(jsNull()));
JSGlobalData::jsFunctionVPtr = jsFunction->vptr();
jsFunction->~JSCell();
}示例3: storeVPtrs
void JSGlobalData::storeVPtrs()
{
// Enough storage to fit a JSArray, JSByteArray, JSString, or JSFunction.
// COMPILE_ASSERTS below check that this is true.
char storage[64];
COMPILE_ASSERT(sizeof(JSArray) <= sizeof(storage), sizeof_JSArray_must_be_less_than_storage);
JSCell* jsArray = new (storage) JSArray(JSArray::VPtrStealingHack);
JSGlobalData::jsArrayVPtr = jsArray->vptr();
jsArray->~JSCell();
COMPILE_ASSERT(sizeof(JSByteArray) <= sizeof(storage), sizeof_JSByteArray_must_be_less_than_storage);
JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
JSGlobalData::jsByteArrayVPtr = jsByteArray->vptr();
jsByteArray->~JSCell();
COMPILE_ASSERT(sizeof(JSString) <= sizeof(storage), sizeof_JSString_must_be_less_than_storage);
JSCell* jsString = new (storage) JSString(JSString::VPtrStealingHack);
JSGlobalData::jsStringVPtr = jsString->vptr();
jsString->~JSCell();
COMPILE_ASSERT(sizeof(JSFunction) <= sizeof(storage), sizeof_JSFunction_must_be_less_than_storage);
char executableStorage[sizeof(VPtrHackExecutable)];
RefPtr<Structure> executableStructure = Structure::create(Structure::VPtrStealingHack, 0);
JSCell* executable = new (executableStorage) VPtrHackExecutable(executableStructure.get());
JSCell* jsFunction = new (storage) JSFunction(Structure::create(Structure::VPtrStealingHack, &JSFunction::s_info), static_cast<VPtrHackExecutable*>(executable));
JSGlobalData::jsFunctionVPtr = jsFunction->vptr();
executable->~JSCell();
jsFunction->~JSCell();
}示例4: fastMalloc
VPtrSet::VPtrSet()
{
// Bizarrely, calling fastMalloc here is faster than allocating space on the stack.
void* storage = fastMalloc(sizeof(CollectorBlock));
JSCell* jsArray = new (storage) JSArray(JSArray::createStructure(jsNull()));
jsArrayVPtr = jsArray->vptr();
jsArray->~JSCell();
JSCell* jsByteArray = new (storage) JSByteArray(JSByteArray::VPtrStealingHack);
jsByteArrayVPtr = jsByteArray->vptr();
jsByteArray->~JSCell();
JSCell* jsString = new (storage) JSString(JSString::VPtrStealingHack);
jsStringVPtr = jsString->vptr();
jsString->~JSCell();
JSCell* jsFunction = new (storage) JSFunction(JSFunction::createStructure(jsNull()));
jsFunctionVPtr = jsFunction->vptr();
jsFunction->~JSCell();
fastFree(storage);
}