From fbae51ff49eeb6b6494be5412b52da1273ad61be Mon Sep 17 00:00:00 2001
From: Tim Foley <tfoley@nvidia.com>
Date: Mon, 17 Jul 2017 09:47:23 -0700
Subject: Skip unknown types during parameter-binding/-reflection step

Work on #105

If a semantic error occurs in the type of an entry-point parameter, we need to be able to skip over it when doing parameter binding and reflection-generation work.
---
 source/slang/parameter-binding.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'source')

diff --git a/source/slang/parameter-binding.cpp b/source/slang/parameter-binding.cpp
index 007c023e2..8a8a993cd 100644
--- a/source/slang/parameter-binding.cpp
+++ b/source/slang/parameter-binding.cpp
@@ -994,6 +994,11 @@ static RefPtr<TypeLayout> processEntryPointParameter(
             assert(!"unimplemented");
         }
     }
+    // If we ran into an error in checking the user's code, then skip this parameter
+    else if( auto errorType = type->As<ErrorType>() )
+    {
+        return nullptr;
+    }
     else
     {
         assert(!"unimplemented");
@@ -1090,6 +1095,10 @@ static void collectEntryPointParameters(
             state,
             paramVarLayout);
 
+        // Skip parameters for which we could not compute a layout
+        if(!paramTypeLayout)
+            continue;
+
         paramVarLayout->typeLayout = paramTypeLayout;
 
         for (auto rr : paramTypeLayout->resourceInfos)
-- 
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