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c35176eadf
This CL strips the context object out of Tint. Change-Id: Id0dcb9c557b217c03a8d9ac08fc9fe1c799f3fdc Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34742 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
57 lines
1.7 KiB
C++
57 lines
1.7 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_TRANSFORM_H_
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#define SRC_TRANSFORM_TRANSFORM_H_
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#include <memory>
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#include <string>
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#include <utility>
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#include "src/ast/module.h"
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#include "src/diagnostic/diagnostic.h"
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namespace tint {
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namespace transform {
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/// Interface for ast::Module transforms
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class Transform {
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public:
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/// Constructor
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Transform();
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/// Destructor
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virtual ~Transform();
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/// The return type of Run()
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struct Output {
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/// The transformed module. May be empty on error.
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ast::Module module;
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/// Diagnostics raised while running the Transform.
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diag::List diagnostics;
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};
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/// Runs the transform on `module`, returning the transformation result.
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/// @note Users of Tint should register the transform with transform manager
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/// and invoke its Run(), instead of directly calling the transform's Run().
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/// Calling Run() directly does not perform module state cleanup operations.
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/// @param module the source module to transform
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/// @returns the transformation result
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virtual Output Run(ast::Module* module) = 0;
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_TRANSFORM_H_
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