1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/angle/src/compiler/translator/SearchSymbol.cpp b/gfx/angle/src/compiler/translator/SearchSymbol.cpp
new file mode 100755
index 000000000..cccd4d3ff
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/SearchSymbol.cpp
@@ -0,0 +1,39 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+// SearchSymbol is an AST traverser to detect the use of a given symbol name
+//
+
+#include "compiler/translator/SearchSymbol.h"
+
+#include "compiler/translator/InfoSink.h"
+
+namespace sh
+{
+SearchSymbol::SearchSymbol(const TString &symbol)
+    : TIntermTraverser(true, false, false),
+      mSymbol(symbol)
+{
+    match = false;
+}
+
+void SearchSymbol::traverse(TIntermNode *node)
+{
+    node->traverse(this);
+}
+
+void SearchSymbol::visitSymbol(TIntermSymbol *symbolNode)
+{
+    if (symbolNode->getSymbol() == mSymbol)
+    {
+        match = true;
+    }
+}
+
+bool SearchSymbol::foundMatch() const
+{
+    return match;
+}
+}