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// Copyright (c) 2020 Google LLC
//
// 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 SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_
#define SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_
#include <memory>
#include "source/fuzz/fact_manager/fact_manager.h"
#include "source/fuzz/overflow_id_source.h"
#include "spirv-tools/libspirv.hpp"
namespace spvtools {
namespace fuzz {
// Encapsulates all information that is required to inform how to apply a
// transformation to a module.
class TransformationContext {
public:
// Constructs a transformation context with a given fact manager and validator
// options. Overflow ids are not available from a transformation context
// constructed in this way.
TransformationContext(std::unique_ptr<FactManager>,
spv_validator_options validator_options);
// Constructs a transformation context with a given fact manager, validator
// options and overflow id source.
TransformationContext(std::unique_ptr<FactManager>,
spv_validator_options validator_options,
std::unique_ptr<OverflowIdSource> overflow_id_source);
~TransformationContext();
FactManager* GetFactManager() { return fact_manager_.get(); }
const FactManager* GetFactManager() const { return fact_manager_.get(); }
OverflowIdSource* GetOverflowIdSource() { return overflow_id_source_.get(); }
const OverflowIdSource* GetOverflowIdSource() const {
return overflow_id_source_.get();
}
spv_validator_options GetValidatorOptions() const {
return validator_options_;
}
private:
// Manages facts that inform whether transformations can be applied, and that
// are produced by applying transformations.
std::unique_ptr<FactManager> fact_manager_;
// Options to control validation when deciding whether transformations can be
// applied.
spv_validator_options validator_options_;
std::unique_ptr<OverflowIdSource> overflow_id_source_;
};
} // namespace fuzz
} // namespace spvtools
#endif // SOURCE_FUZZ_TRANSFORMATION_CONTEXT_H_