本文整理汇总了C++中MethodTable::GetSlot方法的典型用法代码示例。如果您正苦于以下问题：C++ MethodTable::GetSlot方法的具体用法？C++ MethodTable::GetSlot怎么用？C++ MethodTable::GetSlot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MethodTable的用法示例。
在下文中一共展示了MethodTable::GetSlot方法的1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: ArrayInitializeWorker
FCIMPLEND
// array is GC protected by caller
void ArrayInitializeWorker(ARRAYBASEREF * arrayRef,
MethodTable* pArrayMT,
MethodTable* pElemMT)
{
STATIC_CONTRACT_MODE_COOPERATIVE;
STATIC_CONTRACT_SO_INTOLERANT;
// Ensure that the array element type is fully loaded before executing its code
pElemMT->EnsureInstanceActive();
//can not use contract here because of SEH
_ASSERTE(IsProtectedByGCFrame (arrayRef));
SIZE_T offset = ArrayBase::GetDataPtrOffset(pArrayMT);
SIZE_T size = pArrayMT->GetComponentSize();
SIZE_T cElements = (*arrayRef)->GetNumComponents();
MethodTable * pCanonMT = pElemMT->GetCanonicalMethodTable();
WORD slot = pCanonMT->GetDefaultConstructorSlot();
PCODE ctorFtn = pCanonMT->GetSlot(slot);
#ifdef _X86_
BEGIN_CALL_TO_MANAGED();
typedef void (__fastcall * CtorFtnType)(BYTE*, BYTE*);
for (SIZE_T i = 0; i < cElements; i++)
{
// Since GetSlot() is not idempotent and may have returned
// a non-optimal entry-point the first time round.
if (i == 1)
{
ctorFtn = pCanonMT->GetSlot(slot);
}
BYTE* thisPtr = (((BYTE*) OBJECTREFToObject (*arrayRef)) + offset);
#ifdef _DEBUG
__asm {
mov ECX, thisPtr
mov EDX, pElemMT // Instantiation argument if the type is generic
call [ctorFtn]
nop // Mark the fact that we can call managed code
}
#else // _DEBUG
(*(CtorFtnType)ctorFtn)(thisPtr, (BYTE*)pElemMT);
#endif // _DEBUG
offset += size;
}
END_CALL_TO_MANAGED();
#else // _X86_
//
// This is quite a bit slower, but it is portable.
//
for (SIZE_T i =0; i < cElements; i++)
{
// Since GetSlot() is not idempotent and may have returned
// a non-optimal entry-point the first time round.
if (i == 1)
{
ctorFtn = pCanonMT->GetSlot(slot);
}
BYTE* thisPtr = (((BYTE*) OBJECTREFToObject (*arrayRef)) + offset);
PREPARE_NONVIRTUAL_CALLSITE_USING_CODE(ctorFtn);
DECLARE_ARGHOLDER_ARRAY(args, 2);
args[ARGNUM_0] = PTR_TO_ARGHOLDER(thisPtr);
args[ARGNUM_1] = PTR_TO_ARGHOLDER(pElemMT); // Instantiation argument if the type is generic
CALL_MANAGED_METHOD_NORET(args);
offset += size;
}
#endif // _X86_
}