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fbb339ff97
This change adds the node, but this is (currently) not generated or used. Bug: tint:1654 Change-Id: Id38e531bf811833cf576085805cb00f444ea5451 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/99581 Commit-Queue: James Price <jrprice@google.com> Kokoro: James Price <jrprice@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
51 lines
1.7 KiB
C++
51 lines
1.7 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_SEM_LOAD_H_
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#define SRC_TINT_SEM_LOAD_H_
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#include "src/tint/sem/expression.h"
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#include "src/tint/type/reference.h"
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namespace tint::sem {
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/// Load is a semantic expression which represents the load of a reference to a non-reference value.
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/// Loads from reference types are implicit in WGSL, so the Load semantic node shares the same AST
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/// node as the inner semantic node.
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class Load final : public Castable<Load, Expression> {
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public:
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/// Constructor
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/// @param reference the reference expression being loaded
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/// @param statement the statement that owns this expression
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Load(const Expression* reference, const Statement* statement);
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/// Destructor
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~Load() override;
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/// @return the reference being loaded
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const Expression* Reference() const { return reference_; }
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/// @returns the type of the loaded reference.
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const type::Reference* ReferenceType() const {
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return static_cast<const type::Reference*>(reference_->Type());
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}
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private:
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Expression const* const reference_;
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};
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} // namespace tint::sem
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#endif // SRC_TINT_SEM_LOAD_H_
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