Eliminate isVariableBuiltIn.

src/compiler/ParseHelper.cpp

@@ -926,27 +926,6 @@ const TFunction* TParseContext::findFunction(const TSourceLoc& line, TFunction*
     return static_cast<const TFunction*>(symbol);
 }
 
-bool TParseContext::isVariableBuiltIn(const TVariable* var)
-{
-    bool builtIn = false;
-    // First find by unmangled name to check whether the function name has been
-    // hidden by a variable name or struct typename.
-    const TSymbol* symbol = symbolTable.find(var->getName(), &builtIn);
-    if (symbol == 0) {
-        symbol = symbolTable.find(var->getMangledName(), &builtIn);
-    }
-
-    if (symbol == 0) {
-        return false;
-    }
-
-    if (!symbol->isVariable()) {
-        return false;
-    }
-
-    return builtIn;
-}
-
 //
 // Initializers show up in several places in the grammar.  Have one set of
 // code to handle them here.

src/compiler/ParseHelper.h

 //
-// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
@@ -105,7 +105,6 @@ struct TParseContext {
     bool containsSampler(TType& type);
     bool areAllChildConst(TIntermAggregate* aggrNode);
     const TFunction* findFunction(const TSourceLoc& line, TFunction* pfnCall, bool *builtIn = 0);
-    bool isVariableBuiltIn(const TVariable* pVar);
     bool executeInitializer(const TSourceLoc& line, TString& identifier, TPublicType& pType,
                             TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable = 0);
 

src/compiler/glslang.y

@@ -200,7 +200,7 @@ variable_identifier
 
             variable = static_cast<const TVariable*>(symbol);
 
-            if (context->isVariableBuiltIn(variable) && 
+            if (context->symbolTable.findBuiltIn(variable->getName()) &&
                 !variable->getExtension().empty() &&
                 context->extensionErrorCheck(@1, variable->getExtension())) {
                 context->recover();

src/compiler/glslang_tab.cpp

@@ -2265,7 +2265,7 @@ yyreduce:
 
             variable = static_cast<const TVariable*>(symbol);
 
-            if (context->isVariableBuiltIn(variable) && 
+            if (context->symbolTable.findBuiltIn(variable->getName()) &&
                 !variable->getExtension().empty() &&
                 context->extensionErrorCheck((yylsp[(1) - (1)]), variable->getExtension())) {
                 context->recover();