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Diffstat (limited to 'chromium/third_party/angle/src/compiler/DetectCallDepth.h')
-rw-r--r-- | chromium/third_party/angle/src/compiler/DetectCallDepth.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/chromium/third_party/angle/src/compiler/DetectCallDepth.h b/chromium/third_party/angle/src/compiler/DetectCallDepth.h deleted file mode 100644 index 89e85f88f6e..00000000000 --- a/chromium/third_party/angle/src/compiler/DetectCallDepth.h +++ /dev/null @@ -1,80 +0,0 @@ -// -// Copyright (c) 2002-2011 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. -// - -#ifndef COMPILER_DETECT_RECURSION_H_ -#define COMPILER_DETECT_RECURSION_H_ - -#include "GLSLANG/ShaderLang.h" - -#include <limits.h> -#include "compiler/intermediate.h" -#include "compiler/VariableInfo.h" - -class TInfoSink; - -// Traverses intermediate tree to detect function recursion. -class DetectCallDepth : public TIntermTraverser { -public: - enum ErrorCode { - kErrorMissingMain, - kErrorRecursion, - kErrorMaxDepthExceeded, - kErrorNone - }; - - DetectCallDepth(TInfoSink& infoSync, bool limitCallStackDepth, int maxCallStackDepth); - ~DetectCallDepth(); - - virtual bool visitAggregate(Visit, TIntermAggregate*); - - bool checkExceedsMaxDepth(int depth); - - ErrorCode detectCallDepth(); - -private: - class FunctionNode { - public: - static const int kInfiniteCallDepth = INT_MAX; - - FunctionNode(const TString& fname); - - const TString& getName() const; - - // If a function is already in the callee list, this becomes a no-op. - void addCallee(FunctionNode* callee); - - // Returns kInifinityCallDepth if recursive function calls are detected. - int detectCallDepth(DetectCallDepth* detectCallDepth, int depth); - - // Reset state. - void reset(); - - private: - // mangled function name is unique. - TString name; - - // functions that are directly called by this function. - TVector<FunctionNode*> callees; - - Visit visit; - }; - - ErrorCode detectCallDepthForFunction(FunctionNode* func); - FunctionNode* findFunctionByName(const TString& name); - void resetFunctionNodes(); - - TInfoSink& getInfoSink() { return infoSink; } - - TVector<FunctionNode*> functions; - FunctionNode* currentFunction; - TInfoSink& infoSink; - int maxDepth; - - DetectCallDepth(const DetectCallDepth&); - void operator=(const DetectCallDepth&); -}; - -#endif // COMPILER_DETECT_RECURSION_H_ |