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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//
//
// Contains VM implementation of WinRT type cache for code:CLRPrivBinderReflectionOnlyWinRT binder.
//
//=====================================================================================================================
#include "common.h" // precompiled header
#ifndef DACCESS_COMPILE
#ifdef FEATURE_REFLECTION_ONLY_LOAD
#include "clrprivtypecachereflectiononlywinrt.h"
#include <typeresolution.h>
//=====================================================================================================================
// S_OK - pAssembly contains type wszTypeName
// S_FALSE - pAssembly does not contain type wszTypeName
//
HRESULT
CLRPrivTypeCacheReflectionOnlyWinRT::ContainsType(
ICLRPrivAssembly * pPrivAssembly,
LPCWSTR wszTypeName)
{
STANDARD_VM_CONTRACT;
HRESULT hr = S_OK;
AppDomain * pAppDomain = AppDomain::GetCurrentDomain();
ReleaseHolder<PEAssembly> pPEAssembly;
IfFailGo(pAppDomain->BindHostedPrivAssembly(nullptr, pPrivAssembly, nullptr, &pPEAssembly, TRUE));
_ASSERTE(pPEAssembly != nullptr);
{
// Find DomainAssembly * (can be cached if this is too slow to call always)
DomainAssembly * pDomainAssembly = pAppDomain->LoadDomainAssembly(
nullptr, // pIdentity
pPEAssembly,
FILE_LOADED,
nullptr); // pLoadSecurity
// Convert the type name into namespace and type names in UTF8
StackSString ssTypeNameWCHAR(wszTypeName);
StackSString ssTypeName;
ssTypeNameWCHAR.ConvertToUTF8(ssTypeName);
LPUTF8 szTypeName = (LPUTF8)ssTypeName.GetUTF8NoConvert();
LPCUTF8 szNamespace;
LPCUTF8 szClassName;
ns::SplitInline(szTypeName, szNamespace, szClassName);
NameHandle typeName(szNamespace, szClassName);
// Find the type in the assembly (use existing hash of all type names defined in the assembly)
TypeHandle thType;
mdToken tkType;
Module * pTypeModule;
mdToken tkExportedType;
if (pDomainAssembly->GetAssembly()->GetLoader()->FindClassModuleThrowing(
&typeName,
&thType,
&tkType,
&pTypeModule,
&tkExportedType,
nullptr, // ppClassHashEntry
nullptr, // pLookInThisModuleOnly
Loader::DontLoad))
{ // The type is present in the assembly
hr = S_OK;
}
else
{ // The type is not present in the assembly
hr = S_FALSE;
}
}
ErrExit:
return hr;
} // CLRPrivTypeCacheReflectionOnlyWinRT::ContainsType
//=====================================================================================================================
// Raises user event NamespaceResolveEvent to get a list of files for this namespace.
//
void
CLRPrivTypeCacheReflectionOnlyWinRT::RaiseNamespaceResolveEvent(
LPCWSTR wszNamespace,
DomainAssembly * pParentAssembly,
CLRPrivBinderUtil::WStringListHolder * pFileNameList)
{
STANDARD_VM_CONTRACT;
_ASSERTE(pFileNameList != nullptr);
AppDomain * pAppDomain = AppDomain::GetCurrentDomain();
GCX_COOP();
struct _gc {
OBJECTREF AppDomainRef;
OBJECTREF AssemblyRef;
STRINGREF str;
} gc;
ZeroMemory(&gc, sizeof(gc));
GCPROTECT_BEGIN(gc);
if ((gc.AppDomainRef = pAppDomain->GetRawExposedObject()) != NULL)
{
if (pParentAssembly != nullptr)
{
gc.AssemblyRef = pParentAssembly->GetExposedAssemblyObject();
}
MethodDescCallSite onNamespaceResolve(METHOD__APP_DOMAIN__ON_REFLECTION_ONLY_NAMESPACE_RESOLVE, &gc.AppDomainRef);
gc.str = StringObject::NewString(wszNamespace);
ARG_SLOT args[3] =
{
ObjToArgSlot(gc.AppDomainRef),
ObjToArgSlot(gc.AssemblyRef),
ObjToArgSlot(gc.str)
};
PTRARRAYREF ResultingAssemblyArrayRef = (PTRARRAYREF) onNamespaceResolve.Call_RetOBJECTREF(args);
if (ResultingAssemblyArrayRef != NULL)
{
for (DWORD i = 0; i < ResultingAssemblyArrayRef->GetNumComponents(); i++)
{
ASSEMBLYREF ResultingAssemblyRef = (ASSEMBLYREF) ResultingAssemblyArrayRef->GetAt(i);
Assembly * pAssembly = ResultingAssemblyRef->GetAssembly();
if (pAssembly->IsCollectible())
{
COMPlusThrow(kNotSupportedException, W("NotSupported_CollectibleAssemblyResolve"));
}
PEAssembly * pPEAssembly = pAssembly->GetManifestFile();
ICLRPrivAssembly * pPrivAssembly = pPEAssembly->GetHostAssembly();
if ((pPrivAssembly == NULL) || !IsAfContentType_WindowsRuntime(pPEAssembly->GetFlags()))
{
COMPlusThrow(kNotSupportedException, IDS_EE_REFLECTIONONLY_WINRT_INVALIDASSEMBLY);
}
pFileNameList->InsertTail(pPEAssembly->GetILimage()->GetPath());
}
}
}
GCPROTECT_END();
} // CLRPrivTypeCacheReflectionOnlyWinRT::RaiseNamespaceResolveEvent
//=====================================================================================================================
// Implementation of QCall System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeMetadata.nResolveNamespace
// It's basically a PInvoke wrapper into Win8 API RoResolveNamespace
//
void
QCALLTYPE
CLRPrivTypeCacheReflectionOnlyWinRT::ResolveNamespace(
LPCWSTR wszNamespace,
LPCWSTR wszWindowsSdkPath,
LPCWSTR * rgPackageGraphPaths,
INT32 cPackageGraphPaths,
QCall::ObjectHandleOnStack retFileNames)
{
QCALL_CONTRACT;
_ASSERTE(wszNamespace != nullptr);
BEGIN_QCALL;
CoTaskMemHSTRINGArrayHolder hFileNames;
if (!WinRTSupported())
{
IfFailThrow(COR_E_PLATFORMNOTSUPPORTED);
}
{
CLRPrivBinderUtil::HSTRINGArrayHolder rgPackageGraph;
rgPackageGraph.Allocate(cPackageGraphPaths);
LPCWSTR wszNamespaceRoResolve = wszNamespace;
for (INT32 i = 0; i < cPackageGraphPaths; i++)
{
_ASSERTE(rgPackageGraph.GetRawArray()[i] == nullptr);
WinRtString hsPackageGraphPath;
IfFailThrow(hsPackageGraphPath.Initialize(rgPackageGraphPaths[i]));
hsPackageGraphPath.Detach(&rgPackageGraph.GetRawArray()[i]);
}
UINT32 cchNamespace, cchWindowsSdkPath;
IfFailThrow(StringCchLength(wszNamespace, &cchNamespace));
IfFailThrow(StringCchLength(wszWindowsSdkPath, &cchWindowsSdkPath));
DWORD cFileNames = 0;
HSTRING * rgFileNames = nullptr;
HRESULT hr = RoResolveNamespace(
WinRtStringRef(wszNamespace, cchNamespace),
WinRtStringRef(wszWindowsSdkPath, cchWindowsSdkPath),
rgPackageGraph.GetCount(),
rgPackageGraph.GetRawArray(),
&cFileNames,
&rgFileNames,
nullptr, // pcDirectNamespaceChildren
nullptr); // rgDirectNamespaceChildren
hFileNames.Init(rgFileNames, cFileNames);
if (hr == HRESULT_FROM_WIN32(APPMODEL_ERROR_NO_PACKAGE))
{ // User tried to resolve 3rd party namespace without passing package graph - throw InvalidOperationException with custom message
_ASSERTE(cPackageGraphPaths == 0);
COMPlusThrow(kInvalidOperationException, IDS_EE_REFLECTIONONLY_WINRT_LOADFAILURE_THIRDPARTY);
}
IfFailThrow(hr);
if (hr != S_OK)
{
IfFailThrow(E_UNEXPECTED);
}
}
{
GCX_COOP();
PTRARRAYREF orFileNames = NULL;
GCPROTECT_BEGIN(orFileNames);
orFileNames = (PTRARRAYREF) AllocateObjectArray(hFileNames.GetCount(), g_pStringClass);
for (DWORD i = 0; i < hFileNames.GetCount(); i++)
{
UINT32 cchFileName = 0;
HSTRING hsFileName = hFileNames.GetAt(i);
LPCWSTR wszFileName;
if (hsFileName != nullptr)
{
wszFileName = WindowsGetStringRawBuffer(
hsFileName,
&cchFileName);
STRINGREF str = StringObject::NewString(wszFileName);
orFileNames->SetAt(i, str);
}
}
retFileNames.Set(orFileNames);
GCPROTECT_END();
}
END_QCALL;
} // CLRPrivTypeCacheReflectionOnlyWinRT::ResolveNamespace
//=====================================================================================================================
#endif //FEATURE_REFLECTION_ONLY_LOAD
#endif //!DACCESS_COMPILE
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