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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.
#include "fuzzers/tint_common_fuzzer.h"
#include <memory>
#include <string>
#include <vector>
namespace tint {
namespace fuzzers {
CommonFuzzer::CommonFuzzer(InputFormat input) : input_(input) {}
CommonFuzzer::~CommonFuzzer() = default;
int CommonFuzzer::Run(const uint8_t* data, size_t size) {
std::unique_ptr<tint::reader::Reader> parser;
#if TINT_BUILD_WGSL_READER
std::unique_ptr<tint::Source::File> file;
#endif // TINT_BUILD_WGSL_READER
switch (input_) {
case InputFormat::kWGSL:
#if TINT_BUILD_WGSL_READER
{
std::string str(reinterpret_cast<const char*>(data), size);
file = std::make_unique<tint::Source::File>("test.wgsl", str);
parser = std::make_unique<tint::reader::wgsl::Parser>(file.get());
}
#endif // TINT_BUILD_WGSL_READER
break;
case InputFormat::kSpv:
#if TINT_BUILD_SPV_READER
{
size_t sizeInU32 = size / sizeof(uint32_t);
const uint32_t* u32Data = reinterpret_cast<const uint32_t*>(data);
std::vector<uint32_t> input(u32Data, u32Data + sizeInU32);
if (input.size() != 0) {
parser = std::make_unique<tint::reader::spirv::Parser>(input);
}
}
#endif // TINT_BUILD_WGSL_READER
break;
default:
break;
}
if (parser) {
parser->Parse();
}
return 0;
}
} // namespace fuzzers
} // namespace tint