Artifact and ICastable (#2351)

* #include an absolute path didn't work - because paths were taken to always be relative.

* WIP with hierarchical enums.

* Some small fixes and improvements around artifact desc related types.

* Improvements around hierarchical enum.

* Fixes to get Artifact types refactor to be able to execute tests.

* Attempt to better categorize PTX.

* Work around for potentially unused function warning.

* Typo fix.

* Simplify Artifact header.

* Small improvements around Artifact kind/payload/style.

* Added IDestroyable/ICastable

* Add IArtifactList.

* First impl of IArtifactUtil.

* Use the ICastable interface for IArtifactRepresentation.

* Added IArtifactRepresentation & IArtifactAssociated.

* Add SLANG_OVERRIDE to avoid gcc/clang warning.

* Fix calling convention issue on win32.

* Fix missing SLANG_OVERRIDE.

* First attempt at file abstraction around Artifact.

* Added creation of lock file.

* Move functionality for determining file paths to the IArtifactUtil.
Add casting to ICastable.

* Added some casting/finding mechanisms.

* Simplify IArtifact interface, and use Items for file reps.

* Fix problem with libraries on DXIL.

* Split out ArtifactRepresentation.

* Move ArtifactDesc functionality to ArtifactDescUtil. ArtifactInfoUtil becomes ArtifactDescUtil.

* Split implementations from the interfaces for Artifact.

* Use TypeTextUtil for target name outputting.

* Add artifact impls.

* Add ICastableList

* Added UnknownCastableAdapter

* Make ISlangSharedLibrary derive from ICastable, and remain backwards compatible with slang-llvm.

* Refactor Representation on Artifact.

* Make our ISlangBlobs also derive from ICastable.
Make ISlangBlob atomic ref counted.

* Fix typo.

1 files changed, 70 insertions, 6 deletions

diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp
index 361f92525..17785bdc6 100644
--- a/source/slang/slang-compiler.cpp
+++ b/source/slang/slang-compiler.cpp
@@ -55,6 +55,52 @@
 
 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);
+    }
 
 // !!!!!!!!!!!!!!!!!!!!!! free functions for DiagnosicSink !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
@@ -81,7 +127,24 @@ namespace Slang
     {
         if (downstreamResult)
         {
-            return downstreamResult->getHostCallableSharedLibrary(outSharedLibrary);
+            // TODO(JS): Work around for not knowing actual interface this is returning, 
+            // and needing to support deps interface
+
+            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_FAIL;
     }
@@ -1304,8 +1367,9 @@ namespace Slang
 
                 // Set up the library artifact
                 ComPtr<IArtifact> artifact(new Artifact(ArtifactDesc::make(ArtifactKind::Library, Artifact::Payload::HostCPU), "slang-rt"));
+
                 ComPtr<IFileArtifactRepresentation> fileRep(new FileArtifactRepresentation(IFileArtifactRepresentation::Kind::NameOnly, "slang-rt", nullptr, nullptr));
-                artifact->addItem(fileRep);
+                artifact->addRepresentation(fileRep);
 
                 options.libraries.add(artifact);
             }
@@ -2122,10 +2186,10 @@ namespace Slang
                 }
 
                 // Need to turn into a blob
-                RefPtr<ListBlob> blob(new ListBlob);
-                // Swap the streams contents into the blob
-                stream.swapContents(blob->m_data);
-                m_containerBlob = blob;
+                List<uint8_t> blobData;
+                stream.swapContents(blobData);
+
+                m_containerBlob = ListBlob::moveCreate(blobData);
 
                 return res;
             }