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, 65 insertions, 0 deletions

diff --git a/source/compiler-core/slang-artifact-util.h b/source/compiler-core/slang-artifact-util.h
new file mode 100644
index 000000000..2b006fd78
--- /dev/null
+++ b/source/compiler-core/slang-artifact-util.h
@@ -0,0 +1,65 @@
+// slang-artifact-util.h
+#ifndef SLANG_ARTIFACT_UTIL_H
+#define SLANG_ARTIFACT_UTIL_H
+
+#include "slang-artifact.h"
+
+namespace Slang
+{
+
+class IArtifactUtil : public ISlangUnknown
+{
+	SLANG_COM_INTERFACE(0x882b25d7, 0xe300, 0x4b20, { 0xbe, 0xb, 0x26, 0xd2, 0x52, 0x3e, 0x70, 0x20 })
+
+	virtual SLANG_NO_THROW SlangResult SLANG_MCALL createArtifact(const ArtifactDesc& desc, const char* name, IArtifact** outArtifact) = 0;
+
+	virtual SLANG_NO_THROW SlangResult SLANG_MCALL createArtifactList(IArtifact* parent, IArtifactList** outArtifactList) = 0;
+
+	virtual SLANG_NO_THROW ArtifactKind SLANG_MCALL getKindParent(ArtifactKind kind) = 0;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getKindName(ArtifactKind kind) = 0;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isKindDerivedFrom(ArtifactKind kind, ArtifactKind base) = 0;
+
+	virtual SLANG_NO_THROW ArtifactPayload SLANG_MCALL getPayloadParent(ArtifactPayload payload) = 0;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getPayloadName(ArtifactPayload payload) = 0;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isPayloadDerivedFrom(ArtifactPayload payload, ArtifactPayload base) = 0;
+
+	virtual SLANG_NO_THROW ArtifactStyle SLANG_MCALL getStyleParent(ArtifactStyle style) = 0;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getStyleName(ArtifactStyle style) = 0;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isStyleDerivedFrom(ArtifactStyle style, ArtifactStyle base) = 0;
+};
+
+class ArtifactUtilImpl : public IArtifactUtil
+{
+	// ISlangUnknown
+	SLANG_NO_THROW uint32_t SLANG_MCALL addRef() SLANG_OVERRIDE { return 1; }
+	SLANG_NO_THROW uint32_t SLANG_MCALL release() SLANG_OVERRIDE { return 1; }
+	SLANG_NO_THROW SlangResult SLANG_MCALL queryInterface(SlangUUID const& uuid, void** outObject) SLANG_OVERRIDE;
+
+	// IArtifactInterface
+	virtual SLANG_NO_THROW SlangResult SLANG_MCALL createArtifact(const ArtifactDesc& desc, const char* name, IArtifact** outArtifact) SLANG_OVERRIDE;
+
+	virtual SLANG_NO_THROW SlangResult SLANG_MCALL createArtifactList(IArtifact* parent, IArtifactList** outArtifactList) SLANG_OVERRIDE;
+
+	virtual SLANG_NO_THROW ArtifactKind SLANG_MCALL getKindParent(ArtifactKind kind) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getKindName(ArtifactKind kind) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isKindDerivedFrom(ArtifactKind kind, ArtifactKind base) SLANG_OVERRIDE;
+
+	virtual SLANG_NO_THROW ArtifactPayload SLANG_MCALL getPayloadParent(ArtifactPayload payload) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getPayloadName(ArtifactPayload payload) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isPayloadDerivedFrom(ArtifactPayload payload, ArtifactPayload base) SLANG_OVERRIDE;
+
+	virtual SLANG_NO_THROW ArtifactStyle SLANG_MCALL getStyleParent(ArtifactStyle style) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW UnownedStringSlice SLANG_MCALL getStyleName(ArtifactStyle style) SLANG_OVERRIDE;
+	virtual SLANG_NO_THROW bool SLANG_MCALL isStyleDerivedFrom(ArtifactStyle style, ArtifactStyle base) SLANG_OVERRIDE;
+
+	static IArtifactUtil* getSingleton() { return &g_singleton; }
+
+protected:
+	void* getInterface(const Guid& guid);
+
+	static ArtifactUtilImpl g_singleton;
+};
+
+} // namespace Slang
+
+#endif