//*****************************************************************************
// Remove a RegMeta pointer from the loaded module list
//*****************************************************************************
HRESULT LOADEDMODULES::ResolveTypeRefWithLoadedModules(
mdTypeRef tr, // [IN] TypeRef to be resolved.
IMetaModelCommon *pCommon, // [IN] scope in which the typeref is defined.
REFIID riid, // [IN] iid for the return interface
IUnknown **ppIScope, // [OUT] return interface
mdTypeDef *ptd) // [OUT] typedef corresponding the typeref
{
HRESULT hr = NOERROR;
RegMeta *pRegMeta;
CQuickArray<mdTypeRef> cqaNesters;
CQuickArray<LPCUTF8> cqaNesterNamespaces;
CQuickArray<LPCUTF8> cqaNesterNames;
int count;
int index;
if (g_LoadedModules == NULL)
{
// No loaded module!
_ASSERTE(!"Bad state!");
return E_FAIL;
}
LOCKREAD();
// Get the Nesting hierarchy.
IfFailGo(ImportHelper::GetNesterHierarchy(pCommon, tr, cqaNesters,
cqaNesterNamespaces, cqaNesterNames));
count = g_LoadedModules->Count();
for (index = 0; index < count; index++)
{
pRegMeta = (*g_LoadedModules)[index];
hr = ImportHelper::FindNestedTypeDef(
pRegMeta->GetMiniMd(),
cqaNesterNamespaces,
cqaNesterNames,
mdTokenNil,
ptd);
if (SUCCEEDED(hr))
{
// found a loaded module containing the TypeDef.
hr = pRegMeta->QueryInterface(riid, (void **)ppIScope);
break;
}
else if (hr != CLDB_E_RECORD_NOTFOUND)
IfFailGo(hr);
}
if (FAILED(hr))
{
// cannot find the match!
hr = E_FAIL;
}
ErrExit:
return hr;
} // LOADEDMODULES::ResolveTypeRefWithLoadedModules
//*************************************************************
//
// Open the file with anme wzModule and check to see if there is a type
// with namespace/class of wzNamespace/wzType. If so, return the RegMeta
// corresponding to the file and the mdTypeDef of the typedef
//
//*************************************************************
HRESULT CORPATHService::FindTypeDef(
__in __in_z LPWSTR wzModule, // name of the module that we are going to open
mdTypeRef tr, // TypeRef to resolve.
IMetaModelCommon * pCommon, // Scope in which the TypeRef is defined.
REFIID riid,
IUnknown ** ppIScope,
mdTypeDef * ptd) // [OUT] the type that we resolve to
{
HRESULT hr = NOERROR;
NewHolder<Disp> pDisp;
ReleaseHolder<IMetaDataImport2> pImport = NULL;
CQuickArray<mdTypeRef> cqaNesters;
CQuickArray<LPCUTF8> cqaNesterNamespaces;
CQuickArray<LPCUTF8> cqaNesterNames;
RegMeta * pRegMeta;
_ASSERTE((ppIScope != NULL) && (ptd != NULL));
*ppIScope = NULL;
pDisp = new (nothrow) Disp;
IfNullGo(pDisp);
IfFailGo(pDisp->OpenScope(wzModule, 0, IID_IMetaDataImport2, (IUnknown **)&pImport));
pRegMeta = static_cast<RegMeta *>(pImport.GetValue());
// Get the Nesting hierarchy.
IfFailGo(ImportHelper::GetNesterHierarchy(pCommon, tr, cqaNesters,
cqaNesterNamespaces, cqaNesterNames));
hr = ImportHelper::FindNestedTypeDef(
pRegMeta->GetMiniMd(),
cqaNesterNamespaces,
cqaNesterNames,
mdTokenNil,
ptd);
if (SUCCEEDED(hr))
{
*ppIScope = pImport.Extract();
}
ErrExit:
return hr;
} // CORPATHService::FindTypeDef
//*****************************************************************************
// This function returns the requested public interface based on the given
// internal import interface.
// A common path to call this is updating the matedata for dynamic modules.
//*****************************************************************************
STDAPI MDReOpenMetaDataWithMemoryEx(
void *pImport, // [IN] Given scope. public interfaces
LPCVOID pData, // [in] Location of scope data.
ULONG cbData, // [in] Size of the data pointed to by pData.
DWORD dwReOpenFlags) // [in] Flags for ReOpen
{
HRESULT hr = S_OK;
IUnknown *pUnk = (IUnknown *) pImport;
IMetaDataImport2 *pMDImport = NULL;
RegMeta *pRegMeta = NULL;
_ASSERTE(pImport);
IfFailGo( pUnk->QueryInterface(IID_IMetaDataImport2, (void **) &pMDImport) );
pRegMeta = (RegMeta*) pMDImport;
IfFailGo( pRegMeta->ReOpenWithMemory(pData, cbData, dwReOpenFlags) );
ErrExit:
if (pMDImport)
pMDImport->Release();
return hr;
} // MDReOpenMetaDataWithMemoryEx
void initSets()
{
m.clear();
for(auto i : instructions)
{
auto t = meta(i);
m.used.insert(t.used.begin(),t.used.end());
m.dead.insert(t.dead.begin(),t.dead.end());
}
if(branchOn)
m.used.insert(branchOn);
vector<int> t;
set_difference(
m.used.begin(), m.used.end(),
m.dead.begin(), m.dead.end(),
std::back_inserter(t));
m.alive = set<int>(t.begin(), t.end());
}
//*****************************************************************************
// Remove a RegMeta pointer from the loaded module list
//*****************************************************************************
// static
HRESULT
LOADEDMODULES::ResolveTypeRefWithLoadedModules(
mdTypeRef tkTypeRef, // [IN] TypeRef to be resolved.
RegMeta * pTypeRefRegMeta, // [IN] Scope in which the TypeRef is defined.
IMetaModelCommon * pTypeRefScope, // [IN] Scope in which the TypeRef is defined.
REFIID riid, // [IN] iid for the return interface.
IUnknown ** ppIScope, // [OUT] Return interface.
mdTypeDef * ptd) // [OUT] TypeDef corresponding the TypeRef.
{
HRESULT hr = NOERROR;
RegMeta * pRegMeta;
CQuickArray<mdTypeRef> cqaNesters;
CQuickArray<LPCUTF8> cqaNesterNamespaces;
CQuickArray<LPCUTF8> cqaNesterNames;
IfFailGo(InitializeStatics());
{
LOCKREAD();
// Get the Nesting hierarchy.
IfFailGo(ImportHelper::GetNesterHierarchy(
pTypeRefScope,
tkTypeRef,
cqaNesters,
cqaNesterNamespaces,
cqaNesterNames));
int count = s_pLoadedModules->Count();
for (int index = 0; index < count; index++)
{
pRegMeta = (*s_pLoadedModules)[index];
{
// Do not lock the TypeRef RegMeta (again), as it is already locked for read by the caller.
// The code:UTSemReadWrite will block ReadLock even for thread holding already the read lock if
// some other thread is waiting for WriteLock on the same lock. That would cause dead-lock if we
// try to lock for read again here.
CMDSemReadWrite cSemRegMeta((pRegMeta == pTypeRefRegMeta) ? NULL : pRegMeta->GetReaderWriterLock());
IfFailGo(cSemRegMeta.LockRead());
hr = ImportHelper::FindNestedTypeDef(
pRegMeta->GetMiniMd(),
cqaNesterNamespaces,
cqaNesterNames,
mdTokenNil,
ptd);
}
if (hr == CLDB_E_RECORD_NOTFOUND)
{ // Process next MetaData module
continue;
}
IfFailGo(hr);
// Found a loaded module containing the TypeDef.
IfFailGo(pRegMeta->QueryInterface(riid, (void **)ppIScope));
break;
}
}
if (FAILED(hr))
{
// cannot find the match!
hr = E_FAIL;
}
ErrExit:
return hr;
} // LOADEDMODULES::ResolveTypeRefWithLoadedModules
//*****************************************************************************
// Search the cached RegMetas for a given scope.
//*****************************************************************************
HRESULT LOADEDMODULES::FindCachedReadOnlyEntry(
LPCWSTR szName, // Name of the desired file.
DWORD dwOpenFlags, // Flags the new file is opened with.
RegMeta ** ppMeta) // Put found RegMeta here.
{
RegMeta * pRegMeta = 0;
BOOL bWillBeCopyMemory; // Will the opened file be copied to memory?
DWORD dwLowFileSize; // Low bytes of this file's size
DWORD dwLowFileTime; // Low butes of this file's last write time
HRESULT hr;
ULONG ixHash = 0;
IfFailGo(InitializeStatics());
{
LOCKREAD();
hr = S_FALSE; // We haven't found a match yet.
// Avoid confusion.
*ppMeta = NULL;
bWillBeCopyMemory = IsOfCopyMemory(dwOpenFlags);
// The cache is locked for read, so the list will not change.
// Figure out the size and timestamp of this file
WIN32_FILE_ATTRIBUTE_DATA faData;
if (!WszGetFileAttributesEx(szName, GetFileExInfoStandard, &faData))
return E_FAIL;
dwLowFileSize = faData.nFileSizeLow;
dwLowFileTime = faData.ftLastWriteTime.dwLowDateTime;
// Check the hash first.
ixHash = HashFileName(szName);
if ((pRegMeta = m_HashedModules[ixHash]) != NULL)
{
_ASSERTE(pRegMeta->IsReadOnly());
// Only match if the IsOfCopyMemory() bit is the same in both. This is because
// when ofCopyMemory is set, the file is not locked on disk, and may become stale
// in memory.
//
// Also, only match if the date and size are the same
if (pRegMeta->IsCopyMemory() == bWillBeCopyMemory &&
pRegMeta->GetLowFileTimeOfDBFile() == dwLowFileTime &&
pRegMeta->GetLowFileSizeOfDBFile() == dwLowFileSize)
{
// If the name matches...
LPCWSTR pszName = pRegMeta->GetNameOfDBFile();
#ifdef FEATURE_CASE_SENSITIVE_FILESYSTEM
if (wcscmp(szName, pszName) == 0)
#else
if (SString::_wcsicmp(szName, pszName) == 0)
#endif
{
ULONG cRefs;
// Found it. Add a reference, and return it.
*ppMeta = pRegMeta;
cRefs = pRegMeta->AddRef();
LOG((LF_METADATA, LL_INFO10, "Disp::OpenScope found cached RegMeta in hash: %#8x, crefs: %d\n", pRegMeta, cRefs));
return S_OK;
}
}
}
// Not found in hash; loop through each loaded modules
int count = s_pLoadedModules->Count();
for (int index = 0; index < count; index++)
{
pRegMeta = (*s_pLoadedModules)[index];
// If the module is read-only, and the CopyMemory bit matches, and the date
// and size are the same....
if (pRegMeta->IsReadOnly() &&
pRegMeta->IsCopyMemory() == bWillBeCopyMemory &&
pRegMeta->GetLowFileTimeOfDBFile() == dwLowFileTime &&
pRegMeta->GetLowFileSizeOfDBFile() == dwLowFileSize)
{
// If the name matches...
LPCWSTR pszName = pRegMeta->GetNameOfDBFile();
#ifdef FEATURE_CASE_SENSITIVE_FILESYSTEM
if (wcscmp(szName, pszName) == 0)
#else
if (SString::_wcsicmp(szName, pszName) == 0)
#endif
{
ULONG cRefs;
// Found it. Add a reference, and return it.
*ppMeta = pRegMeta;
cRefs = pRegMeta->AddRef();
// Update the hash.
m_HashedModules[ixHash] = pRegMeta;
LOG((LF_METADATA, LL_INFO10, "Disp::OpenScope found cached RegMeta by search: %#8x, crefs: %d\n", pRegMeta, cRefs));
return S_OK;
}
}
}
}
ErrExit:
// Didn't find it.
LOG((LF_METADATA, LL_INFO10, "Disp::OpenScope did not find cached RegMeta\n"));
_ASSERTE(hr != S_OK);
return hr;
} // LOADEDMODULES::FindCachedReadOnlyEntry
