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https://github.com/encounter/dawn-cmake.git
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0575449b82
create() is currently just a simple forwarder to std::make_unique<>, but will be later replaced with a function that returns a raw pointer, and owned by the context. Bug: tint:322 Change-Id: I4d0c3a6b471c559617538bda90a5a991c71045a9 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32862 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: dan sinclair <dsinclair@chromium.org>
63 lines
1.7 KiB
C++
63 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_TRANSFORMER_H_
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#define SRC_TRANSFORM_TRANSFORMER_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/context.h"
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namespace tint {
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namespace transform {
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/// Interface class for the transformers
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class Transformer {
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public:
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/// Constructor
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/// @param ctx the Tint context
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/// @param mod the module to transform
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Transformer(Context* ctx, ast::Module* mod);
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virtual ~Transformer();
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/// @returns true if the transformation was successful
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virtual bool Run() = 0;
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/// @returns error messages
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const std::string& error() { return error_; }
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protected:
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/// @return a `std::unique_ptr` to a new `T` constructed with `args`
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/// @param args the arguments to forward to the constructor for `T`
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template <typename T, typename... ARGS>
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std::unique_ptr<T> create(ARGS&&... args) const {
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return std::make_unique<T>(std::forward<ARGS>(args)...);
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}
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/// The context
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Context* ctx_ = nullptr;
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/// The module
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ast::Module* mod_ = nullptr;
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/// Any error messages, or blank if no error
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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_TRANSFORMER_H_
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