Improvements around Artifact (#2346)

* #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.

1 files changed, 7 insertions, 3 deletions

diff --git a/source/slang/slang-module-library.h b/source/slang/slang-module-library.h
index 7b65dad9e..58d10bfc3 100644
--- a/source/slang/slang-module-library.h
+++ b/source/slang/slang-module-library.h
@@ -10,7 +10,7 @@ namespace Slang
 {
 
 // Class to hold information serialized in from a -r slang-lib/slang-module
-class ModuleLibrary : public ComObject, public IArtifactInstance
+class ModuleLibrary : public ComObject, public IArtifactRepresentation
 {
 public:
 
@@ -18,14 +18,18 @@ public:
 
     SLANG_CLASS_GUID(0x2f7412bd, 0x6154, 0x40a9, { 0x89, 0xb3, 0x62, 0xe0, 0x24, 0x17, 0x24, 0xa1 });
 
-    // IArtifactInstance
+    // ICastable
+    virtual SLANG_NO_THROW void* SLANG_MCALL castAs(const Guid& guid) SLANG_OVERRIDE;
+
+    // IArtifactRepresentation
     virtual SLANG_NO_THROW SlangResult SLANG_MCALL writeToBlob(ISlangBlob** blob) SLANG_OVERRIDE { SLANG_UNUSED(blob); return SLANG_E_NOT_IMPLEMENTED; }
-    virtual SLANG_NO_THROW void* SLANG_MCALL queryObject(const Guid& classGuid) SLANG_OVERRIDE { return classGuid == getTypeGuid() ? this : nullptr; }
+    virtual SLANG_NO_THROW bool SLANG_MCALL exists() SLANG_OVERRIDE { return true; }
 
     List<FrontEndCompileRequest::ExtraEntryPointInfo> m_entryPoints;
     List<RefPtr<IRModule>> m_modules;
 
     void* getInterface(const Guid& uuid);
+    void* getObject(const Guid& uuid);
 };
 
 SlangResult loadModuleLibrary(const Byte* inBytes, size_t bytesCount, EndToEndCompileRequest* req, RefPtr<ModuleLibrary>& module);