From 782e6f0f675fd858acfdc66e5ea1fa46a646df71 Mon Sep 17 00:00:00 2001
From: Tim Foley <tfoley@nvidia.com>
Date: Mon, 17 Jul 2017 09:49:32 -0700
Subject: Add emit logic for generic app expressions

Work on #105

These can occur in unchecked code (or code that had a semantic error), so we need to be able to handle them.
---
 source/slang/emit.cpp | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'source')

diff --git a/source/slang/emit.cpp b/source/slang/emit.cpp
index 7ffce2acd..8c6a46196 100644
--- a/source/slang/emit.cpp
+++ b/source/slang/emit.cpp
@@ -1495,14 +1495,28 @@ struct EmitVisitor
         outerPrec.rightPrecedence = rightPrec;
     }
 
+    void visitGenericAppExpr(GenericAppExpr* expr, ExprEmitArg const& arg)
+    {
+        auto prec = kEOp_Postfix;
+        auto outerPrec = arg.outerPrec;
+        bool needClose = MaybeEmitParens(outerPrec, prec);
 
-#define UNEXPECTED(NAME)                        \
-    void visit##NAME(NAME*, ExprEmitArg const&) \
-    { Emit(#NAME); }
-
-    UNEXPECTED(GenericAppExpr);
+        EmitExprWithPrecedence(expr->FunctionExpr, leftSide(outerPrec, prec));
+        Emit("<");
+        bool first = true;
+        for(auto aa : expr->Arguments)
+        {
+            if(!first) Emit(", ");
+            EmitExpr(aa);
+            first = false;
+        }
+        Emit(" >");
 
-#undef UNEXPECTED
+        if(needClose)
+        {
+            Emit(")");
+        }
+    }
 
     void visitSharedTypeExpr(SharedTypeExpr* expr, ExprEmitArg const&)
     {
-- 
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