Vasyl Teliman fa4d4341f4 Fix AST fuzzer message serialization
Currently, AST fuzzer requires that all fuzzed binaries are serialized protobuf messages.
In principle, we don't need this when we don't record mutations (which is the case right
now). Hence, this CL removes that requirement.

Change-Id: Ibe677d1ac7d34d640d6e3a368af50df5b4fe474a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58225
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Vasyl Teliman <vasniktel@gmail.com>
Reviewed-by: Alastair Donaldson <afdx@google.com>
2021-07-16 17:50:04 +00:00

73 lines
2.2 KiB
C++

// 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_CLI_H_
#define FUZZERS_TINT_AST_FUZZER_CLI_H_
#include <cstdint>
namespace tint {
namespace fuzzers {
namespace ast_fuzzer {
/// The backend this fuzzer will test.
enum class FuzzingTarget {
kNone = 0,
kHlsl = 1 << 0,
kMsl = 1 << 1,
kSpv = 1 << 2,
kWgsl = 1 << 3,
kAll = kHlsl | kMsl | kSpv | kWgsl
};
inline FuzzingTarget operator|(FuzzingTarget a, FuzzingTarget b) {
return static_cast<FuzzingTarget>(static_cast<int>(a) | static_cast<int>(b));
}
inline FuzzingTarget operator&(FuzzingTarget a, FuzzingTarget b) {
return static_cast<FuzzingTarget>(static_cast<int>(a) & static_cast<int>(b));
}
/// CLI parameters accepted by the fuzzer. Type -tint_help in the CLI to see the
/// help message
struct CliParams {
/// Whether to use all mutation finders or only a randomly selected subset of
/// them.
bool enable_all_mutations = false;
/// The maximum number of mutations applied during a single mutation session
/// (i.e. a call to `ast_fuzzer::Mutate` function).
uint32_t mutation_batch_size = 5;
/// Compiler backends we want to fuzz.
FuzzingTarget fuzzing_target = FuzzingTarget::kAll;
};
/// @brief Parses CLI parameters.
///
/// This function will exit the process with non-zero return code if some
/// parameters are invalid. This function will remove recognized parameters from
/// `argv` and adjust `argc` accordingly.
///
/// @param argc - the total number of parameters.
/// @param argv - array of all CLI parameters.
/// @return parsed parameters.
CliParams ParseCliParams(int* argc, char** argv);
} // namespace ast_fuzzer
} // namespace fuzzers
} // namespace tint
#endif // FUZZERS_TINT_AST_FUZZER_CLI_H_