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// slang-downstream-dep1.cpp
#include "slang-downstream-dep1.h"
namespace Slang
{
// A temporary class that adapts `ISlangSharedLibrary_Dep1` to ISlangSharedLibrary
class SharedLibraryDep1Adapter : public ComBaseObject, public ISlangSharedLibrary
{
public:
SLANG_COM_BASE_IUNKNOWN_ALL
// ICastable
virtual SLANG_NO_THROW void* SLANG_MCALL castAs(const SlangUUID& guid) SLANG_OVERRIDE;
// ISlangSharedLibrary
virtual SLANG_NO_THROW void* SLANG_MCALL findSymbolAddressByName(char const* name) SLANG_OVERRIDE { return m_contained->findSymbolAddressByName(name); }
SharedLibraryDep1Adapter(ISlangSharedLibrary_Dep1* dep1) :
m_contained(dep1)
{
}
protected:
void* getInterface(const Guid& guid)
{
if (guid == ISlangUnknown::getTypeGuid() ||
guid == ICastable::getTypeGuid() ||
guid == ISlangSharedLibrary::getTypeGuid())
{
return static_cast<ISlangSharedLibrary*>(this);
}
return nullptr;
}
void* getObject(const Guid& guid)
{
SLANG_UNUSED(guid);
return nullptr;
}
ComPtr<ISlangSharedLibrary_Dep1> m_contained;
};
void* SharedLibraryDep1Adapter::castAs(const SlangUUID& guid)
{
if (auto intf = getInterface(guid))
{
return intf;
}
return getObject(guid);
}
/* Hack to take into account downstream compilers shared library interface might need an adapter */
/* static */SlangResult DownstreamUtil_Dep1::getDownstreamSharedLibrary(DownstreamCompileResult* downstreamResult, ComPtr<ISlangSharedLibrary>& outSharedLibrary)
{
ComPtr<ISlangSharedLibrary> lib;
SLANG_RETURN_ON_FAIL(downstreamResult->getHostCallableSharedLibrary(lib));
if (SLANG_SUCCEEDED(lib->queryInterface(ISlangSharedLibrary::getTypeGuid(), (void**)outSharedLibrary.writeRef())))
{
return SLANG_OK;
}
ComPtr<ISlangSharedLibrary_Dep1> libDep1;
if (SLANG_SUCCEEDED(lib->queryInterface(ISlangSharedLibrary_Dep1::getTypeGuid(), (void**)libDep1.writeRef())))
{
// Okay, we need to adapt for now
outSharedLibrary = new SharedLibraryDep1Adapter(libDep1);
return SLANG_OK;
}
return SLANG_E_NOT_FOUND;
}
}
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