diff options
Diffstat (limited to 'chromium/third_party/glslang/src/glslang/MachineIndependent/RemoveTree.cpp')
-rw-r--r-- | chromium/third_party/glslang/src/glslang/MachineIndependent/RemoveTree.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/chromium/third_party/glslang/src/glslang/MachineIndependent/RemoveTree.cpp b/chromium/third_party/glslang/src/glslang/MachineIndependent/RemoveTree.cpp new file mode 100644 index 00000000000..a4fa551cadf --- /dev/null +++ b/chromium/third_party/glslang/src/glslang/MachineIndependent/RemoveTree.cpp @@ -0,0 +1,118 @@ +// +//Copyright (C) 2002-2005 3Dlabs Inc. Ltd. +//Copyright (C) 2013 LunarG, Inc. +// +//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" + +namespace glslang { + +// +// Code to recursively delete the intermediate tree. +// +struct TRemoveTraverser : TIntermTraverser { + TRemoveTraverser() : TIntermTraverser(false, false, true, false) {} + + virtual void visitSymbol(TIntermSymbol* node) + { + delete node; + } + + virtual bool visitBinary(TVisit /* visit*/ , TIntermBinary* node) + { + delete node; + + return true; + } + + virtual bool visitUnary(TVisit /* visit */, TIntermUnary* node) + { + delete node; + + return true; + } + + virtual bool visitAggregate(TVisit /* visit*/ , TIntermAggregate* node) + { + delete node; + + return true; + } + + virtual bool visitSelection(TVisit /* visit*/ , TIntermSelection* node) + { + delete node; + + return true; + } + + virtual bool visitSwitch(TVisit /* visit*/ , TIntermSwitch* node) + { + delete node; + + return true; + } + + virtual void visitConstantUnion(TIntermConstantUnion* node) + { + delete node; + } + + virtual bool visitLoop(TVisit /* visit*/ , TIntermLoop* node) + { + delete node; + + return true; + } + + virtual bool visitBranch(TVisit /* visit*/ , TIntermBranch* node) + { + delete node; + + return true; + } +}; + +// +// Entry point. +// +void RemoveAllTreeNodes(TIntermNode* root) +{ + TRemoveTraverser it; + + root->traverse(&it); +} + +} // end namespace glslang |