Initial import from TransGaming
git-svn-id: https://angleproject.googlecode.com/svn/trunk@2 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/Compiler/RemoveTree.cpp b/Compiler/RemoveTree.cpp
new file mode 100644
index 0000000..9c4162e
--- /dev/null
+++ b/Compiler/RemoveTree.cpp
@@ -0,0 +1,76 @@
+//
+// 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.
+//
+
+#include "intermediate.h"
+#include "RemoveTree.h"
+//
+// Code to recursively delete the intermediate tree.
+//
+
+class RemoveTree : public TIntermTraverser
+{
+public:
+ RemoveTree() : TIntermTraverser(false, false, true)
+ {
+ }
+
+protected:
+ void visitSymbol(TIntermSymbol*);
+ void visitConstantUnion(TIntermConstantUnion*);
+ bool visitBinary(Visit visit, TIntermBinary*);
+ bool visitUnary(Visit visit, TIntermUnary*);
+ bool visitSelection(Visit visit, TIntermSelection*);
+ bool visitAggregate(Visit visit, TIntermAggregate*);
+};
+
+void RemoveTree::visitSymbol(TIntermSymbol* node)
+{
+ delete node;
+}
+
+bool RemoveTree::visitBinary(Visit visit, TIntermBinary* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitUnary(Visit visit, TIntermUnary* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitAggregate(Visit visit, TIntermAggregate* node)
+{
+ delete node;
+
+ return true;
+}
+
+bool RemoveTree::visitSelection(Visit visit, TIntermSelection* node)
+{
+ delete node;
+
+ return true;
+}
+
+void RemoveTree::visitConstantUnion(TIntermConstantUnion* node)
+{
+ delete node;
+}
+
+//
+// Entry point.
+//
+void RemoveAllTreeNodes(TIntermNode* root)
+{
+ RemoveTree it;
+
+ root->traverse(&it);
+}
+