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f12054ea2a
This separates out the usage of the built module from the construction of the module. Previously, we'd happily interleave generator testing with module construction statements. Once the AST / Program is made immutable, this will no longer be possible. Bug: tint:390 Change-Id: Ib4538228e93ca816f5bb796d024f021116609213 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38360 Reviewed-by: dan sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com>
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
// Copyright 2020 The Tint Authors.
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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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#ifndef SRC_VALIDATOR_VALIDATOR_TEST_HELPER_H_
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#define SRC_VALIDATOR_VALIDATOR_TEST_HELPER_H_
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#include <functional>
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#include <memory>
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#include <utility>
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#include <vector>
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#include "src/ast/builder.h"
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#include "src/type/void_type.h"
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#include "src/type_determiner.h"
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#include "src/validator/validator_impl.h"
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namespace tint {
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/// A helper for testing validation
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class ValidatorTestHelper : public ast::BuilderWithModule {
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public:
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/// Constructor
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ValidatorTestHelper();
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~ValidatorTestHelper() override;
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/// Builds and returns a validator from the module.
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/// @note The validator is only built once. Multiple calls to Build() will
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/// return the same ValidatorImpl without rebuilding.
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/// @return the built validator
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ValidatorImpl& Build() {
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if (val_) {
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return *val_;
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}
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val_ = std::make_unique<ValidatorImpl>(mod);
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for (auto* var : vars_for_testing_) {
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val_->RegisterVariableForTesting(var);
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}
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return *val_;
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}
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/// A handle to type_determiner
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/// @returns a pointer to the type_determiner object
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TypeDeterminer* td() const { return td_.get(); }
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/// Inserts a variable into the current scope.
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/// @param var the variable to register.
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void RegisterVariable(ast::Variable* var) {
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vars_for_testing_.emplace_back(var);
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td_->RegisterVariableForTesting(var);
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}
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private:
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std::unique_ptr<TypeDeterminer> td_;
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std::unique_ptr<ValidatorImpl> val_;
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std::vector<ast::Variable*> vars_for_testing_;
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};
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} // namespace tint
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#endif // SRC_VALIDATOR_VALIDATOR_TEST_HELPER_H_
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