C++ ModuleHandle::GetAssembly方法代码示例

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;
}

//******************************************************************************
//
// GetMemberRefToken
// This function will return a MemberRef token given a MethodDef token and the module where the MethodDef/FieldDef is defined.
//
//******************************************************************************
INT32 QCALLTYPE COMModule::GetMemberRef(QCall::ModuleHandle pModule, QCall::ModuleHandle pRefedModule, INT32 tr, INT32 token)
{
    QCALL_CONTRACT;
    
    mdMemberRef             memberRefE      = 0; 

    BEGIN_QCALL;

    RefClassWriter * pRCW = pModule->GetReflectionModule()->GetClassWriter(); 
    _ASSERTE( pRCW );
    
    LPCUTF8         szName;
    ULONG           cbComSig;
    PCCOR_SIGNATURE pvComSig;
    
    if (TypeFromToken(token) == mdtMethodDef)
    {
        IfFailThrow(pRefedModule->GetMDImport()->GetNameOfMethodDef(token, &szName));
        IfFailThrow(pRefedModule->GetMDImport()->GetSigOfMethodDef(token, &cbComSig, &pvComSig));
    }
    else
    {
        IfFailThrow(pRefedModule->GetMDImport()->GetNameOfFieldDef(token, &szName));
        IfFailThrow(pRefedModule->GetMDImport()->GetSigOfFieldDef(token, &cbComSig, &pvComSig));
    }
    
    MAKE_WIDEPTR_FROMUTF8(wzName, szName);

    // Translate the method sig into this scope 
    //
    Assembly * pRefedAssembly = pRefedModule->GetAssembly();
    Assembly * pRefingAssembly = pModule->GetAssembly();

    if (pRefedAssembly->IsCollectible() && pRefedAssembly != pRefingAssembly)
    {
        if (pRefingAssembly->IsCollectible())
            pRefingAssembly->GetLoaderAllocator()->EnsureReference(pRefedAssembly->GetLoaderAllocator());
        else
            COMPlusThrow(kNotSupportedException, W("NotSupported_CollectibleBoundNonCollectible"));
    }

    SafeComHolderPreemp<IMetaDataAssemblyEmit> pAssemblyEmit;
    IfFailThrow( pRefingAssembly->GetManifestModule()->GetEmitter()->QueryInterface(IID_IMetaDataAssemblyEmit, (void **) &pAssemblyEmit) );

    CQuickBytes             qbNewSig; 
    ULONG                   cbNewSig;      

    IfFailThrow( pRefedModule->GetMDImport()->TranslateSigWithScope(
        pRefedAssembly->GetManifestImport(), 
        NULL, 0,        // hash value
        pvComSig, 
        cbComSig, 
        pAssemblyEmit,  // Emit assembly scope.
        pRCW->GetEmitter(), 
        &qbNewSig, 
        &cbNewSig) );  

    mdTypeRef               tref;

    if (TypeFromToken(tr) == mdtTypeDef)
    {
        // define a TypeRef using the TypeDef
        DefineTypeRefHelper(pRCW->GetEmitter(), tr, &tref);
    }
    else 
        tref = tr;

    // Define the memberRef
    IfFailThrow( pRCW->GetEmitter()->DefineMemberRef(tref, wzName, (PCCOR_SIGNATURE) qbNewSig.Ptr(), cbNewSig, &memberRefE) ); 

    END_QCALL;

    // assign output parameter
    return (INT32)memberRefE;
}