git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@22907 e7fa87d3-cd2b-0410-9028-fcbf551c1848
129 lines
3.2 KiB
C++
129 lines
3.2 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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void RemoveSymbol(TIntermSymbol* node, TIntermTraverser* it)
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{
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delete node;
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}
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bool RemoveBinary(bool /*preVisit*/ , TIntermBinary* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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bool RemoveUnary(bool /*preVisit */, TIntermUnary* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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bool RemoveAggregate(bool /*preVisit*/ , TIntermAggregate* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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bool RemoveSelection(bool /*preVisit*/ , TIntermSelection* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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bool RemoveSwitch(bool /*preVisit*/ , TIntermSwitch* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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void RemoveConstantUnion(TIntermConstantUnion* node, TIntermTraverser*)
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{
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delete node;
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}
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bool RemoveLoop(bool /*preVisit*/ , TIntermLoop* node, TIntermTraverser*)
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{
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delete node;
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return true;
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}
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bool RemoveBranch(bool /*preVisit*/ , TIntermBranch* node, TIntermTraverser*)
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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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// Entry point.
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//
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void RemoveAllTreeNodes(TIntermNode* root)
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{
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TIntermTraverser it;
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it.visitSymbol = RemoveSymbol;
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it.visitConstantUnion = RemoveConstantUnion;
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it.visitBinary = RemoveBinary;
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it.visitUnary = RemoveUnary;
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it.visitAggregate = RemoveAggregate;
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it.visitSelection = RemoveSelection;
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it.visitLoop = RemoveLoop;
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it.visitBranch = RemoveBranch;
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it.visitSwitch = RemoveSwitch;
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it.preVisit = false;
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it.postVisit = true;
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root->traverse(&it);
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}
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} // end namespace glslang
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