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Create a base GLSL front-end from the 3Dlabs glslang front-end from 20-Sep-2005.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@19944 e7fa87d3-cd2b-0410-9028-fcbf551c1848
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John Kessenich 2012-12-12 21:15:54 +00:00
commit a0af473a8b
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glslang/MachineIndependent/RemoveTree.cpp Normal file
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//
//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGE.
//
#include "../Include/intermediate.h"
#include "RemoveTree.h"
//
// Code to recursively delete the intermediate tree.
//
void RemoveSymbol(TIntermSymbol* node, TIntermTraverser* it)
{
delete node;
}
bool RemoveBinary(bool /*preVisit*/ , TIntermBinary* node, TIntermTraverser*)
{
delete node;
return true;
}
bool RemoveUnary(bool /*preVisit */, TIntermUnary* node, TIntermTraverser*)
{
delete node;
return true;
}
bool RemoveAggregate(bool /*preVisit*/ , TIntermAggregate* node, TIntermTraverser*)
{
delete node;
return true;
}
bool RemoveSelection(bool /*preVisit*/ , TIntermSelection* node, TIntermTraverser*)
{
delete node;
return true;
}
void RemoveConstantUnion(TIntermConstantUnion* node, TIntermTraverser*)
{
delete node;
}
//
// Entry point.
//
void RemoveAllTreeNodes(TIntermNode* root)
{
TIntermTraverser it;
it.visitAggregate = RemoveAggregate;
it.visitBinary = RemoveBinary;
it.visitConstantUnion = RemoveConstantUnion;
it.visitSelection = RemoveSelection;
it.visitSymbol = RemoveSymbol;
it.visitUnary = RemoveUnary;
it.preVisit = false;
it.postVisit = true;
root->traverse(&it);
}