| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COMPILER_TRANSLATOR_VALIDATESWITCH_H_ |
| #define COMPILER_TRANSLATOR_VALIDATESWITCH_H_ |
| |
| #include "intermediate.h" |
| #include <set> |
| |
| class TParseContext; |
| |
| class ValidateSwitch : public TIntermTraverser |
| { |
| public: |
| // Check for errors and output messages any remaining errors on the context. |
| // Returns true if there are no errors. |
| static bool validate(TBasicType switchType, TParseContext *context, |
| TIntermAggregate *statementList, const TSourceLoc &loc); |
| |
| void visitSymbol(TIntermSymbol *) override; |
| void visitConstantUnion(TIntermConstantUnion *) override; |
| bool visitBinary(Visit, TIntermBinary *) override; |
| bool visitUnary(Visit, TIntermUnary *) override; |
| bool visitSelection(Visit visit, TIntermSelection *) override; |
| bool visitSwitch(Visit, TIntermSwitch *) override; |
| bool visitCase(Visit, TIntermCase *) override; |
| bool visitAggregate(Visit, TIntermAggregate *) override; |
| bool visitLoop(Visit visit, TIntermLoop *) override; |
| bool visitBranch(Visit, TIntermBranch *) override; |
| |
| private: |
| ValidateSwitch(TBasicType switchType, TParseContext *context); |
| |
| bool validateInternal(const TSourceLoc &loc); |
| |
| TBasicType mSwitchType; |
| TParseContext *mContext; |
| bool mCaseTypeMismatch; |
| bool mFirstCaseFound; |
| bool mStatementBeforeCase; |
| bool mLastStatementWasCase; |
| int mControlFlowDepth; |
| bool mCaseInsideControlFlow; |
| int mDefaultCount; |
| std::set<int> mCasesSigned; |
| std::set<unsigned int> mCasesUnsigned; |
| bool mDuplicateCases; |
| }; |
| |
| #endif // COMPILER_TRANSLATOR_VALIDATESWITCH_H_ |