STDMETHODIMP RegMeta::EnumGenericParamConstraints(
HCORENUM *phEnum, // [IN|OUT] Pointer to the enum.
mdGenericParam tkOwner, // [IN] GenericParam whose constraints are requested
mdGenericParamConstraint rTokens[], // [OUT] Put GenericParamConstraints here.
ULONG cMaxTokens, // [IN] Max GenericParamConstraints to put.
ULONG *pcTokens) // [OUT] Put # of tokens here.
{
HRESULT hr = S_OK;
BEGIN_ENTRYPOINT_NOTHROW;
HENUMInternal **ppmdEnum = reinterpret_cast<HENUMInternal **> (phEnum);
ULONG ridStart;
ULONG ridEnd;
HENUMInternal *pEnum;
GenericParamConstraintRec *pRec;
ULONG index;
CMiniMdRW *pMiniMd = NULL;
LOG((LOGMD, "RegMeta::EnumGenericParamConstraints(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x)\n",
phEnum, tkOwner, rTokens, cMaxTokens, pcTokens));
START_MD_PERF();
LOCKREAD();
pMiniMd = &(m_pStgdb->m_MiniMd);
if(TypeFromToken(tkOwner) != mdtGenericParam)
IfFailGo(META_E_BAD_INPUT_PARAMETER);
// See if this version of the metadata can do Generics
if (!pMiniMd->SupportsGenerics())
{
if (pcTokens)
*pcTokens = 0;
hr = S_FALSE;
goto ErrExit;
}
if ( *ppmdEnum == 0 )
{
// instantiating a new ENUM
//<TODO> GENERICS: review this. Are we expecting a sorted table or not? </TODO>
if ( pMiniMd->IsSorted( TBL_GenericParamConstraint ) )
{
IfFailGo(pMiniMd->getGenericParamConstraintsForGenericParam(RidFromToken(tkOwner), &ridEnd, &ridStart));
IfFailGo( HENUMInternal::CreateSimpleEnum(mdtGenericParamConstraint, ridStart, ridEnd, &pEnum) );
}
else
{
// table is not sorted so we have to create dynamic array
// create the dynamic enumerator
//
ridStart = 1;
ridEnd = pMiniMd->getCountGenericParamConstraints() + 1;
IfFailGo( HENUMInternal::CreateDynamicArrayEnum(mdtGenericParamConstraint, &pEnum));
for (index = ridStart; index < ridEnd; index ++ )
{
IfFailGo(pMiniMd->GetGenericParamConstraintRecord(index, &pRec));
if ( tkOwner == pMiniMd->getOwnerOfGenericParamConstraint(pRec))
{
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(index,
mdtGenericParamConstraint)));
}
}
}
// set the output parameter
*ppmdEnum = pEnum;
}
else
{
pEnum = *ppmdEnum;
}
// fill the output token buffer
hr = HENUMInternal::EnumWithCount(pEnum, cMaxTokens, rTokens, pcTokens);
ErrExit:
HENUMInternal::DestroyEnumIfEmpty(ppmdEnum);
STOP_MD_PERF(EnumGenericParamConstraints);
END_ENTRYPOINT_NOTHROW;
return hr;
}
//*****************************************************************************
// Enumerate Sym.InterfaceImpl where Coclass == td
//*****************************************************************************
STDMETHODIMP RegMeta::EnumInterfaceImpls(
HCORENUM *phEnum, // Pointer to the enum.
mdTypeDef td, // TypeDef to scope the enumeration.
mdInterfaceImpl rImpls[], // Put InterfaceImpls here.
ULONG cMax, // Max InterfaceImpls to put.
ULONG *pcImpls) // Put # put here.
{
HRESULT hr = S_OK;
BEGIN_ENTRYPOINT_NOTHROW;
HENUMInternal **ppmdEnum = reinterpret_cast<HENUMInternal **> (phEnum);
ULONG ridStart;
ULONG ridEnd;
HENUMInternal *pEnum;
InterfaceImplRec *pRec;
ULONG index;
LOG((LOGMD, "RegMeta::EnumInterfaceImpls(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x)\n",
phEnum, td, rImpls, cMax, pcImpls));
START_MD_PERF();
LOCKREAD();
_ASSERTE(TypeFromToken(td) == mdtTypeDef);
if ( *ppmdEnum == 0 )
{
// instantiating a new ENUM
CMiniMdRW *pMiniMd = &(m_pStgdb->m_MiniMd);
if ( pMiniMd->IsSorted( TBL_InterfaceImpl ) )
{
IfFailGo(pMiniMd->getInterfaceImplsForTypeDef(RidFromToken(td), &ridEnd, &ridStart));
IfFailGo( HENUMInternal::CreateSimpleEnum( mdtInterfaceImpl, ridStart, ridEnd, &pEnum) );
}
else
{
// table is not sorted so we have to create dynmaic array
// create the dynamic enumerator
//
ridStart = 1;
ridEnd = pMiniMd->getCountInterfaceImpls() + 1;
IfFailGo( HENUMInternal::CreateDynamicArrayEnum( mdtInterfaceImpl, &pEnum) );
for (index = ridStart; index < ridEnd; index ++ )
{
IfFailGo(pMiniMd->GetInterfaceImplRecord(index, &pRec));
if ( td == pMiniMd->getClassOfInterfaceImpl(pRec) )
{
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(index, mdtInterfaceImpl) ) );
}
}
}
// set the output parameter
*ppmdEnum = pEnum;
}
else
{
pEnum = *ppmdEnum;
}
// fill the output token buffer
hr = HENUMInternal::EnumWithCount(pEnum, cMax, rImpls, pcImpls);
ErrExit:
HENUMInternal::DestroyEnumIfEmpty(ppmdEnum);
STOP_MD_PERF(EnumInterfaceImpls);
END_ENTRYPOINT_NOTHROW;
return hr;
} // RegMeta::EnumInterfaceImpls
STDMETHODIMP RegMeta::EnumMethodSpecs(
HCORENUM *phEnum, // [IN|OUT] Pointer to the enum.
mdToken tkOwner, // [IN] MethodDef or MemberRef whose MethodSpecs are requested
mdMethodSpec rTokens[], // [OUT] Put MethodSpecs here.
ULONG cMaxTokens, // [IN] Max tokens to put.
ULONG *pcTokens) // [OUT] Put actual count here.
{
HRESULT hr = S_OK;
BEGIN_ENTRYPOINT_NOTHROW;
HENUMInternal **ppmdEnum = reinterpret_cast<HENUMInternal **> (phEnum);
ULONG ridStart;
ULONG ridEnd;
HENUMInternal *pEnum;
MethodSpecRec *pRec;
ULONG index;
CMiniMdRW *pMiniMd = NULL;
LOG((LOGMD, "RegMeta::EnumMethodSpecs(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x)\n",
phEnum, tkOwner, rTokens, cMaxTokens, pcTokens));
START_MD_PERF();
LOCKREAD();
pMiniMd = &(m_pStgdb->m_MiniMd);
// See if this version of the metadata can do Generics
if (!pMiniMd->SupportsGenerics())
{
if (pcTokens)
*pcTokens = 0;
hr = S_FALSE;
goto ErrExit;
}
_ASSERTE(RidFromToken(tkOwner)==0 || TypeFromToken(tkOwner) == mdtMethodDef || TypeFromToken(tkOwner) == mdtMemberRef);
if ( *ppmdEnum == 0 )
{
// instantiating a new ENUM
if(RidFromToken(tkOwner)==0) // enumerate all MethodSpecs
{
ridStart = 1;
ridEnd = pMiniMd->getCountMethodSpecs() + 1;
IfFailGo( HENUMInternal::CreateSimpleEnum( mdtMethodSpec, ridStart, ridEnd, &pEnum) );
}
else
{
//@todo GENERICS: review this. Are we expecting a sorted table or not?
if ( pMiniMd->IsSorted( TBL_MethodSpec ) )
{
if (TypeFromToken(tkOwner) == mdtMemberRef)
{
IfFailGo(pMiniMd->getMethodSpecsForMemberRef(RidFromToken(tkOwner), &ridEnd, &ridStart));
}
else
{
IfFailGo(pMiniMd->getMethodSpecsForMethodDef(RidFromToken(tkOwner), &ridEnd, &ridStart));
}
IfFailGo( HENUMInternal::CreateSimpleEnum(mdtMethodSpec, ridStart, ridEnd, &pEnum) );
}
else
{
// table is not sorted so we have to create dynamic array
// create the dynamic enumerator
//
ridStart = 1;
ridEnd = pMiniMd->getCountMethodSpecs() + 1;
IfFailGo( HENUMInternal::CreateDynamicArrayEnum(mdtMethodSpec, &pEnum) );
for (index = ridStart; index < ridEnd; index ++ )
{
IfFailGo(pMiniMd->GetMethodSpecRecord(index, &pRec));
if ( tkOwner == pMiniMd->getMethodOfMethodSpec(pRec) )
{
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(index, mdtMethodSpec) ) );
}
}
}
}
// set the output parameter
*ppmdEnum = pEnum;
}
else
{
pEnum = *ppmdEnum;
}
// fill the output token buffer
hr = HENUMInternal::EnumWithCount(pEnum, cMaxTokens, rTokens, pcTokens);
ErrExit:
HENUMInternal::DestroyEnumIfEmpty(ppmdEnum);
STOP_MD_PERF(EnumMethodSpecs);
END_ENTRYPOINT_NOTHROW;
return hr;
} // STDMETHODIMP RegMeta::EnumMethodSpecs()
//*****************************************************************************
// Enumerate the CustomAttributes for a given token.
//*****************************************************************************
STDMETHODIMP RegMeta::EnumCustomAttributes(
HCORENUM *phEnum, // Pointer to the enum.
mdToken tk, // Token to scope the enumeration.
mdToken tkType, // Type to limit the enumeration.
mdCustomAttribute rCustomAttributes[], // Put CustomAttributes here.
ULONG cMax, // Max CustomAttributes to put.
ULONG *pcCustomAttributes) // Put # tokens returned here.
{
HRESULT hr = S_OK;
BEGIN_ENTRYPOINT_NOTHROW;
HENUMInternal **ppmdEnum = reinterpret_cast<HENUMInternal **> (phEnum);
ULONG ridStart;
ULONG ridEnd;
HENUMInternal *pEnum = *ppmdEnum;
CustomAttributeRec *pRec;
ULONG index;
LOG((LOGMD, "RegMeta::EnumCustomAttributes(0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x)\n",
phEnum, tk, tkType, rCustomAttributes, cMax, pcCustomAttributes));
START_MD_PERF();
LOCKREAD();
if ( pEnum == 0 )
{
// instantiating a new ENUM
CMiniMdRW *pMiniMd = &(m_pStgdb->m_MiniMd);
CLookUpHash *pHashTable = pMiniMd->m_pLookUpHashs[TBL_CustomAttribute];
// Does caller want all custom Values?
if (IsNilToken(tk))
{
IfFailGo( HENUMInternal::CreateSimpleEnum(mdtCustomAttribute, 1, pMiniMd->getCountCustomAttributes()+1, &pEnum) );
}
else
{ // Scope by some object.
if ( pMiniMd->IsSorted( TBL_CustomAttribute ) )
{
// Get CustomAttributes for the object.
IfFailGo(pMiniMd->getCustomAttributeForToken(tk, &ridEnd, &ridStart));
if (IsNilToken(tkType))
{
// Simple enumerator for object's entire list.
IfFailGo( HENUMInternal::CreateSimpleEnum( mdtCustomAttribute, ridStart, ridEnd, &pEnum) );
}
else
{
// Dynamic enumerator for subsetted list.
IfFailGo( HENUMInternal::CreateDynamicArrayEnum( mdtCustomAttribute, &pEnum) );
for (index = ridStart; index < ridEnd; index ++ )
{
IfFailGo(pMiniMd->GetCustomAttributeRecord(index, &pRec));
if (tkType == pMiniMd->getTypeOfCustomAttribute(pRec))
{
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(index, mdtCustomAttribute) ) );
}
}
}
}
else
{
if (pHashTable)
{
// table is not sorted but hash is built
// We want to create dynmaic array to hold the dynamic enumerator.
TOKENHASHENTRY *p;
ULONG iHash;
int pos;
mdToken tkParentTmp;
mdToken tkTypeTmp;
// Hash the data.
iHash = pMiniMd->HashCustomAttribute(tk);
IfFailGo( HENUMInternal::CreateDynamicArrayEnum( mdtCustomAttribute, &pEnum) );
// Go through every entry in the hash chain looking for ours.
for (p = pHashTable->FindFirst(iHash, pos);
p;
p = pHashTable->FindNext(pos))
{
CustomAttributeRec *pCustomAttribute;
IfFailGo(pMiniMd->GetCustomAttributeRecord(RidFromToken(p->tok), &pCustomAttribute));
tkParentTmp = pMiniMd->getParentOfCustomAttribute(pCustomAttribute);
tkTypeTmp = pMiniMd->getTypeOfCustomAttribute(pCustomAttribute);
if (tkParentTmp == tk)
{
if (IsNilToken(tkType) || tkType == tkTypeTmp)
{
// compare the blob value
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(p->tok, mdtCustomAttribute )) );
}
}
}
}
else
{
// table is not sorted and hash is not built so we have to create dynmaic array
// create the dynamic enumerator and loop through CA table linearly
//
ridStart = 1;
ridEnd = pMiniMd->getCountCustomAttributes() + 1;
IfFailGo( HENUMInternal::CreateDynamicArrayEnum( mdtCustomAttribute, &pEnum) );
for (index = ridStart; index < ridEnd; index ++ )
{
IfFailGo(pMiniMd->GetCustomAttributeRecord(index, &pRec));
if ( tk == pMiniMd->getParentOfCustomAttribute(pRec) &&
(tkType == pMiniMd->getTypeOfCustomAttribute(pRec) || IsNilToken(tkType)))
{
IfFailGo( HENUMInternal::AddElementToEnum(pEnum, TokenFromRid(index, mdtCustomAttribute) ) );
}
}
}
}
}
// set the output parameter
*ppmdEnum = pEnum;
}
// fill the output token buffer
hr = HENUMInternal::EnumWithCount(pEnum, cMax, rCustomAttributes, pcCustomAttributes);
ErrExit:
HENUMInternal::DestroyEnumIfEmpty(ppmdEnum);
STOP_MD_PERF(EnumCustomAttributes);
END_ENTRYPOINT_NOTHROW;
return hr;
} // STDMETHODIMP RegMeta::EnumCustomAttributes()