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118 lines
3 KiB
C++
118 lines
3 KiB
C++
//
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// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
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// Copyright (C) 2013 LunarG, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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#include "../Include/intermediate.h"
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#include "RemoveTree.h"
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namespace glslang {
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//
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// Code to recursively delete the intermediate tree.
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//
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struct TRemoveTraverser : TIntermTraverser {
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TRemoveTraverser() : TIntermTraverser(false, false, true, false) {}
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virtual void visitSymbol(TIntermSymbol* node)
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{
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delete node;
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}
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virtual bool visitBinary(TVisit /* visit*/ , TIntermBinary* node)
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{
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delete node;
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return true;
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}
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virtual bool visitUnary(TVisit /* visit */, TIntermUnary* node)
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{
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delete node;
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return true;
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}
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virtual bool visitAggregate(TVisit /* visit*/ , TIntermAggregate* node)
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{
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delete node;
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return true;
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}
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virtual bool visitSelection(TVisit /* visit*/ , TIntermSelection* node)
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{
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delete node;
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return true;
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}
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virtual bool visitSwitch(TVisit /* visit*/ , TIntermSwitch* node)
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{
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delete node;
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return true;
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}
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virtual void visitConstantUnion(TIntermConstantUnion* node)
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{
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delete node;
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}
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virtual bool visitLoop(TVisit /* visit*/ , TIntermLoop* node)
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{
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delete node;
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return true;
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}
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virtual bool visitBranch(TVisit /* visit*/ , TIntermBranch* node)
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{
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delete node;
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return true;
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}
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};
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//
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// Entry point.
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//
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void RemoveAllTreeNodes(TIntermNode* root)
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{
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TRemoveTraverser it;
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root->traverse(&it);
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}
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} // end namespace glslang
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