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46c32d882d
This CL adds a check to the `Is` castable methods to determine if the target type is `final`. If the type being compared too is `final` we bail out early in the walk up the hierarchy as it won't be a parent class. Change-Id: Ieba4dd686e47207a3db0cf3a8ea46fbc1a8d1c91 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/96600 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// Copyright 2022 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_TINT_TRANSFORM_PROMOTE_SIDE_EFFECTS_TO_DECL_H_
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#define SRC_TINT_TRANSFORM_PROMOTE_SIDE_EFFECTS_TO_DECL_H_
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#include "src/tint/transform/transform.h"
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namespace tint::transform {
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/// A transform that hoists expressions with side-effects to variable
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/// declarations before the statement of usage with the goal of ensuring
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/// left-to-right order of evaluation, while respecting short-circuit
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/// evaluation.
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class PromoteSideEffectsToDecl final : public Castable<PromoteSideEffectsToDecl, Transform> {
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public:
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/// Constructor
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PromoteSideEffectsToDecl();
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/// Destructor
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~PromoteSideEffectsToDecl() override;
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protected:
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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 data
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/// @returns the transformation result
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Output Run(const Program* program, const DataMap& data = {}) const override;
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};
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} // namespace tint::transform
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#endif // SRC_TINT_TRANSFORM_PROMOTE_SIDE_EFFECTS_TO_DECL_H_
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