Dynamic code gen for generic local variables. (#1434)

* Dynamic code gen for generic local variables.

* Fixes to function calls with generic typed `in` argument.

* Fixes per code review comments

1 files changed, 7 insertions, 1 deletions

diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index adebefc8b..cfed09dd0 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -2198,7 +2198,13 @@ Type* getThisParamTypeForContainer(
     IRGenContext*   context,
     DeclRef<Decl>   parentDeclRef)
 {
-    if( auto aggTypeDeclRef = parentDeclRef.as<AggTypeDecl>() )
+    if (auto interfaceDeclRef = parentDeclRef.as<InterfaceDecl>())
+    {
+        auto thisType = context->astBuilder->create<ThisType>();
+        thisType->interfaceDeclRef = interfaceDeclRef;
+        return thisType;
+    }
+    else if( auto aggTypeDeclRef = parentDeclRef.as<AggTypeDecl>() )
     {
         return DeclRefType::create(context->astBuilder, aggTypeDeclRef);
     }