68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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// Copyright 2021 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_SINGLE_ENTRY_POINT_H_
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#define SRC_TRANSFORM_SINGLE_ENTRY_POINT_H_
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#include <string>
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#include "src/transform/transform.h"
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namespace tint {
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namespace transform {
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/// Strip all but one entry point a module.
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///
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/// All module-scope variables, types, and functions that are not used by the
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/// target entry point will also be removed.
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class SingleEntryPoint : public Transform {
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public:
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/// Configuration options for the transform
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struct Config : public Castable<Config, Data> {
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/// Constructor
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/// @param entry_point the name of the entry point to keep
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explicit Config(std::string entry_point = "");
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/// Copy constructor
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Config(const Config&);
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/// Destructor
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~Config() override;
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/// Assignment operator
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/// @returns this Config
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Config& operator=(const Config&);
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/// The name of the entry point to keep.
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std::string entry_point_name;
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};
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/// Constructor
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SingleEntryPoint();
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/// Destructor
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~SingleEntryPoint() override;
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/// Runs the transform on `program`, returning the transformation result.
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/// @param program the source program to transform
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/// @param data optional extra transform-specific input data
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/// @returns the transformation result
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Output Run(const Program* program, const DataMap& data = {}) override;
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_SINGLE_ENTRY_POINT_H_
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