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0c22b1aaea
Added function in node_id_map to check a given id is valid and fresh. Currently, the structure of FindMutators declares node_id_map as const, which causes issues when we want to call `GetFreshId` from the argument that is passed by reference. A simple work around is to pass a non-const node_id_map as argument directly. That way `GetFreshId` function in node_id_map can continue to be non-const and conveniently update next fresh id whenever a fresh id has been taken. Change-Id: Ia7e1d247cf92dfefd2ef7e7c1b4bf32363d9ce3f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/61100 Reviewed-by: Paul Thomson <paulthomson@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Paul Thomson <paulthomson@google.com>
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_
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#define FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_
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#include "fuzzers/tint_ast_fuzzer/mutation_finder.h"
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namespace tint {
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namespace fuzzers {
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namespace ast_fuzzer {
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/// Looks for opportunities to apply `MutationReplaceIdentifier`.
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///
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/// Concretely, for each variable in the module, tries to replace its users with
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/// the uses of some other variables.
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class MutationFinderReplaceIdentifiers : public MutationFinder {
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public:
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MutationList FindMutations(
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const tint::Program& program,
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NodeIdMap* node_id_map,
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ProbabilityContext* probability_context) const override;
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uint32_t GetChanceOfApplyingMutation(
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ProbabilityContext* probability_context) const override;
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};
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} // namespace ast_fuzzer
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} // namespace fuzzers
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} // namespace tint
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#endif // FUZZERS_TINT_AST_FUZZER_MUTATION_FINDERS_REPLACE_IDENTIFIERS_H_
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