1 // Copyright (c) 2020 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_ 17 18 #include <memory> 19 20 #include "source/fuzz/fact_manager/fact_manager.h" 21 #include "source/fuzz/overflow_id_source.h" 22 #include "spirv-tools/libspirv.hpp" 23 24 namespace spvtools { 25 namespace fuzz { 26 27 // Encapsulates all information that is required to inform how to apply a 28 // transformation to a module. 29 class TransformationContext { 30 public: 31 // Constructs a transformation context with a given fact manager and validator 32 // options. Overflow ids are not available from a transformation context 33 // constructed in this way. 34 TransformationContext(std::unique_ptr<FactManager>, 35 spv_validator_options validator_options); 36 37 // Constructs a transformation context with a given fact manager, validator 38 // options and overflow id source. 39 TransformationContext(std::unique_ptr<FactManager>, 40 spv_validator_options validator_options, 41 std::unique_ptr<OverflowIdSource> overflow_id_source); 42 43 ~TransformationContext(); 44 GetFactManager()45 FactManager* GetFactManager() { return fact_manager_.get(); } 46 GetFactManager()47 const FactManager* GetFactManager() const { return fact_manager_.get(); } 48 GetOverflowIdSource()49 OverflowIdSource* GetOverflowIdSource() { return overflow_id_source_.get(); } 50 GetOverflowIdSource()51 const OverflowIdSource* GetOverflowIdSource() const { 52 return overflow_id_source_.get(); 53 } 54 GetValidatorOptions()55 spv_validator_options GetValidatorOptions() const { 56 return validator_options_; 57 } 58 59 private: 60 // Manages facts that inform whether transformations can be applied, and that 61 // are produced by applying transformations. 62 std::unique_ptr<FactManager> fact_manager_; 63 64 // Options to control validation when deciding whether transformations can be 65 // applied. 66 spv_validator_options validator_options_; 67 68 std::unique_ptr<OverflowIdSource> overflow_id_source_; 69 }; 70 71 } // namespace fuzz 72 } // namespace spvtools 73 74 #endif // SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_ 75