39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
|
// Copyright 2022 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/shuffle_transform.h"
|
||
|
|
|
||
|
|
#include <random>
|
||
|
|
|
||
|
|
#include "src/program_builder.h"
|
||
|
|
|
||
|
|
namespace tint {
|
||
|
|
namespace fuzzers {
|
||
|
|
|
||
|
|
ShuffleTransform::ShuffleTransform(size_t seed) : seed_(seed) {}
|
||
|
|
|
||
|
|
void ShuffleTransform::Run(CloneContext& ctx,
|
||
|
|
const tint::transform::DataMap&,
|
||
|
|
tint::transform::DataMap&) const {
|
||
|
|
auto decls = ctx.src->AST().GlobalDeclarations();
|
||
|
|
auto rng = std::mt19937_64{seed_};
|
||
|
|
std::shuffle(std::begin(decls), std::end(decls), rng);
|
||
|
|
for (auto* decl : decls) {
|
||
|
|
ctx.dst->AST().AddGlobalDeclaration(ctx.Clone(decl));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace fuzzers
|
||
|
|
} // namespace tint
|