60 lines
1.6 KiB
C++
60 lines
1.6 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_TRANSFORM_MANAGER_H_
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#define SRC_TRANSFORM_MANAGER_H_
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "src/transform/transformer.h"
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namespace tint {
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namespace transform {
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/// Manager for the provided passes. The passes will be execute in the
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/// appended order. If any pass fails the manager will return immediately and
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/// the error can be retrieved with the |error| method.
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class Manager {
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public:
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/// Constructor
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Manager();
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~Manager();
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/// Add pass to the manager
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/// @param transform the transform to append
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void append(std::unique_ptr<Transformer> transform) {
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transforms_.push_back(std::move(transform));
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}
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/// Runs the transforms
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/// @returns true on success; false otherwise
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bool Run();
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/// @returns the error, or blank if none set
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std::string error() const { return error_; }
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private:
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std::vector<std::unique_ptr<Transformer>> transforms_;
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std::string error_;
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_MANAGER_H_
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