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// Copyright 2021 The Tint Authors.
//
// 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 FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_
#define FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_
#include "fuzzers/tint_ast_fuzzer/mutation_finder.h"
namespace tint {
namespace fuzzers {
namespace ast_fuzzer {
/// Looks for opportunities to apply `MutationReplaceIdentifier`.
///
/// Concretely, for each variable in the module, tries to replace its users with
/// the uses of some other variables.
class MutationFinderReplaceIdentifiers : public MutationFinder {
public:
MutationList FindMutations(
const tint::Program& program,
const NodeIdMap& node_id_map,
ProbabilityContext* probability_context) const override;
uint32_t GetChanceOfApplyingMutation(
ProbabilityContext* probability_context) const override;
};
} // namespace ast_fuzzer
} // namespace fuzzers
} // namespace tint
#endif // FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_