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69 lines
2.2 KiB
69 lines
2.2 KiB
// Copyright (c) 2020 Google LLC
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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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#include "source/fuzz/transformation_context.h"
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#include <cassert>
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#include "source/util/make_unique.h"
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namespace spvtools {
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namespace fuzz {
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namespace {
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// An overflow id source that should never be used: its methods assert false.
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// This is the right id source for use during fuzzing, when overflow ids should
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// never be required.
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class NullOverflowIdSource : public OverflowIdSource {
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bool HasOverflowIds() const override {
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assert(false && "Bad attempt to query whether overflow ids are available.");
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return false;
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}
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uint32_t GetNextOverflowId() override {
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assert(false && "Bad attempt to request an overflow id.");
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return 0;
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}
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const std::unordered_set<uint32_t>& GetIssuedOverflowIds() const override {
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assert(false && "Operation not supported.");
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return placeholder_;
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}
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private:
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std::unordered_set<uint32_t> placeholder_;
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};
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} // namespace
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TransformationContext::TransformationContext(
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std::unique_ptr<FactManager> fact_manager,
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spv_validator_options validator_options)
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: fact_manager_(std::move(fact_manager)),
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validator_options_(validator_options),
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overflow_id_source_(MakeUnique<NullOverflowIdSource>()) {}
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TransformationContext::TransformationContext(
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std::unique_ptr<FactManager> fact_manager,
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spv_validator_options validator_options,
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std::unique_ptr<OverflowIdSource> overflow_id_source)
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: fact_manager_(std::move(fact_manager)),
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validator_options_(validator_options),
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overflow_id_source_(std::move(overflow_id_source)) {}
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TransformationContext::~TransformationContext() = default;
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} // namespace fuzz
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} // namespace spvtools
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