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Jon Ross-Perkins
d12583fc08
I'm partly doing this because the current setup would be difficult to share with the toolchain. e.g., ProtoToCarbon isn't explorer-specific, but the only way to run it via CLI is the explorer's fuzzverter. I want a separate tool.
This change:
- Adds a //common/fuzzing:proto_to_carbon tool.
- The rest of fuzzverter is now just //explorer/fuzzing:ast_to_proto.
- The change simplifies overall handling and removes a LLVM CLI dependency.
- Stops allowing unknown fields in the proto.
- This has mostly led to forgetting to remove fuzzer inputs that were for removed features.
- Moves more non-explorer-specific bits to //common/fuzzing.
- Cleans up remaining pieces in //explorer/fuzzing
- Merges the //explorer/fuzzing proto tests, which deduplicates AstToString copies.
- These tests also had duplicate dependencies, etc -- and all complete in ~6s.
- Updates and fixes regen_corpus which was previously broken by other changes.
- Updates the README to reflect changes.
- Removes obsolete proto-fuzzer build configuration (AFAICT this is no longer needed).
25 lines
805 B
C++
25 lines
805 B
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_EXPLORER_FUZZING_FUZZER_UTIL_H_
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#define CARBON_EXPLORER_FUZZING_FUZZER_UTIL_H_
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#include "common/error.h"
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#include "common/fuzzing/carbon.pb.h"
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#include "explorer/ast/ast.h"
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namespace Carbon {
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// Parses and executes a fuzzer-generated program.
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// Returns program result if execution was successful.
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auto ParseAndExecute(const Fuzzing::Carbon& carbon) -> ErrorOr<int>;
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// Returns a full path for a file under bazel runfiles.
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// Exposed for testing.
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auto GetRunfilesFile(const std::string& file) -> ErrorOr<std::string>;
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} // namespace Carbon
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#endif // CARBON_EXPLORER_FUZZING_FUZZER_UTIL_H_
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