HLSL: Non-functional: Don't process function name/parameters before expected a...

HLSL: Non-functional: Don't process function name/parameters before expected a function declaration.

glslang/Include/revision.h

@@ -2,5 +2,5 @@
 // For the version, it uses the latest git tag followed by the number of commits.
 // For the date, it uses the current date (when then script is run).
 
-#define GLSLANG_REVISION "Overload400-PrecQual.1882"
-#define GLSLANG_DATE "07-Mar-2017"
+#define GLSLANG_REVISION "Overload400-PrecQual.1885"
+#define GLSLANG_DATE "08-Mar-2017"

hlsl/hlslGrammar.cpp

@@ -326,14 +326,20 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& nodeList)
     HlslToken idToken;
     TIntermAggregate* initializers = nullptr;
     while (acceptIdentifier(idToken)) {
-        TString* fnName = idToken.string;
+        if (peekTokenClass(EHTokLeftParen)) {
+            // looks like function parameters
+            TString* fnName = idToken.string;
 
-        // Potentially rename shader entry point function.  No-op most of the time.
-        parseContext.renameShaderFunction(fnName);
+            // Potentially rename shader entry point function.  No-op most of the time.
+            parseContext.renameShaderFunction(fnName);
+
+            // function_parameters
+            TFunction& function = *new TFunction(fnName, declaredType);
+            if (!acceptFunctionParameters(function)) {
+                expected("function parameter list");
+                return false;
+            }
 
-        // function_parameters
-        TFunction& function = *new TFunction(fnName, declaredType);
-        if (acceptFunctionParameters(function)) {
             // post_decls
             acceptPostDecls(function.getWritableType().getQualifier());