TypeHandle Binder::LookupType(BinderTypeID id, BOOL fLoad)
{
_ASSERTE(m_pModule != NULL);
_ASSERTE(id != TYPE__NIL);
_ASSERTE(id <= m_cTypeHandles);
THROWSCOMPLUSEXCEPTION();
TypeHandle th;
const TypeDescription *d = m_typeDescriptions + id - 1;
OBJECTREF pThrowable = NULL;
GCPROTECT_BEGIN(pThrowable);
NameHandle nh(d->type, TypeHandle(GetClass(d->classID)), d->rank);
if (!fLoad)
nh.SetTokenNotToLoad(tdAllTypes);
th = m_pModule->GetClassLoader()->FindTypeHandle(&nh, &pThrowable);
GCPROTECT_END();
if (th.IsNull())
{
if (fLoad)
COMPlusThrow(pThrowable);
return TypeHandle();
}
m_pTypeHandles[id-1] = th;
return th;
}
void QCALLTYPE COMDynamicWrite::TermCreateClass(QCall::ModuleHandle pModule, INT32 tk, QCall::ObjectHandleOnStack retType)
{
QCALL_CONTRACT;
TypeHandle typeHnd;
BEGIN_QCALL;
_ASSERTE(pModule->GetReflectionModule()->GetClassWriter());
// Use the same service, regardless of whether we are generating a normal
// class, or the special class for the module that holds global functions
// & methods.
pModule->GetReflectionModule()->AddClass(tk);
// manually load the class if it is not the global type
if (!IsNilToken(tk))
{
TypeKey typeKey(pModule, tk);
typeHnd = pModule->GetClassLoader()->LoadTypeHandleForTypeKey(&typeKey, TypeHandle());
}
if (!typeHnd.IsNull())
{
GCX_COOP();
retType.Set(typeHnd.GetManagedClassObject());
}
END_QCALL;
return;
}
int GetVersionResilientTypeHashCode(TypeHandle type)
{
if (!type.IsTypeDesc())
{
MethodTable *pMT = type.AsMethodTable();
_ASSERTE(!pMT->IsArray());
_ASSERTE(!IsNilToken(pMT->GetCl()));
LPCUTF8 szNamespace;
LPCUTF8 szName;
IfFailThrow(pMT->GetMDImport()->GetNameOfTypeDef(pMT->GetCl(), &szName, &szNamespace));
int hashcode = ComputeNameHashCode(szNamespace, szName);
MethodTable *pMTEnclosing = pMT->LoadEnclosingMethodTable(CLASS_LOAD_UNRESTOREDTYPEKEY);
if (pMTEnclosing != NULL)
{
hashcode = ComputeNestedTypeHashCode(GetVersionResilientTypeHashCode(TypeHandle(pMTEnclosing)), hashcode);
}
if (!pMT->IsGenericTypeDefinition() && pMT->HasInstantiation())
{
return ComputeGenericInstanceHashCode(hashcode,
pMT->GetInstantiation().GetNumArgs(), pMT->GetInstantiation(), GetVersionResilientTypeHashCode);
}
else
{
return hashcode;
}
}
else
if (type.IsArray())
{
ArrayTypeDesc *pArray = type.AsArray();
return ComputeArrayTypeHashCode(GetVersionResilientTypeHashCode(pArray->GetArrayElementTypeHandle()), pArray->GetRank());
}
else
if (type.IsPointer())
{
return ComputePointerTypeHashCode(GetVersionResilientTypeHashCode(type.AsTypeDesc()->GetTypeParam()));
}
else
if (type.IsByRef())
{
return ComputeByrefTypeHashCode(GetVersionResilientTypeHashCode(type.AsTypeDesc()->GetTypeParam()));
}
assert(false);
return 0;
}
FCIMPLEND
//**************************************************
// LoadInMemoryTypeByName
// Explicitly loading an in memory type
// <TODO>@todo: this function is not dealing with nested type correctly yet.
// We will need to parse the full name by finding "+" for enclosing type, etc.</TODO>
//**************************************************
void QCALLTYPE COMModule::LoadInMemoryTypeByName(QCall::ModuleHandle pModule, LPCWSTR wszFullName)
{
QCALL_CONTRACT;
TypeHandle typeHnd;
BEGIN_QCALL;
if (!pModule->IsReflection())
COMPlusThrow(kNotSupportedException, W("NotSupported_NonReflectedType"));
RefClassWriter * pRCW = pModule->GetReflectionModule()->GetClassWriter();
_ASSERTE(pRCW);
// it is ok to use public import API because this is a dynamic module anyway. We are also receiving Unicode full name as
// parameter.
IMetaDataImport * pImport = pRCW->GetRWImporter();
if (wszFullName == NULL)
IfFailThrow( E_FAIL );
// look up the handle
mdTypeDef td;
HRESULT hr = pImport->FindTypeDefByName(wszFullName, mdTokenNil, &td);
if (FAILED(hr))
{
if (hr != CLDB_E_RECORD_NOTFOUND)
COMPlusThrowHR(hr);
// Get the UTF8 version of strFullName
MAKE_UTF8PTR_FROMWIDE(szFullName, wszFullName);
pModule->GetAssembly()->ThrowTypeLoadException(szFullName, IDS_CLASSLOAD_GENERAL);
}
TypeKey typeKey(pModule, td);
typeHnd = pModule->GetClassLoader()->LoadTypeHandleForTypeKey(&typeKey, TypeHandle());
END_QCALL;
return;
}
int GetVersionResilientMethodHashCode(MethodDesc *pMD)
{
int hashCode = GetVersionResilientTypeHashCode(TypeHandle(pMD->GetMethodTable()));
// Todo: Add signature to hash.
if (pMD->GetNumGenericMethodArgs() > 0)
{
hashCode ^= ComputeGenericInstanceHashCode(ComputeNameHashCode(pMD->GetName()), pMD->GetNumGenericMethodArgs(), pMD->GetMethodInstantiation(), GetVersionResilientTypeHashCode);
}
else
{
hashCode ^= ComputeNameHashCode(pMD->GetName());
}
return hashCode;
}
TypeHandle GetElementType()
{
_ASSERTE(IsConstructed());
return TypeHandle((void*) Key2);
}
TypeHandle BoolValue::GetType() const {
return TypeHandle(new BoolType);
}
TypeHandle FPValue::GetType() const {
return TypeHandle(new FPType);
}
TypeHandle VectorValue::GetType() const {
return TypeHandle(new VectorType(std::move(t_->Clone()), Size()));
}
