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// Copyright 2023 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TINT_LANG_WGSL_SEM_EXPRESSION_H_
#define SRC_TINT_LANG_WGSL_SEM_EXPRESSION_H_
#include "src/tint/lang/wgsl/ast/expression.h"
#include "src/tint/lang/wgsl/sem/node.h"
// Forward declarations
namespace tint::sem {
class Statement;
} // namespace tint::sem
namespace tint::sem {
/// Expression holds the semantic information for expression nodes.
class Expression : public Castable<Expression, Node> {
public:
/// Constructor
/// @param declaration the AST node
/// @param statement the statement that owns this expression
Expression(const ast::Expression* declaration, const Statement* statement);
/// Destructor
~Expression() override;
/// @returns the AST node
const ast::Expression* Declaration() const { return declaration_; }
/// @return the statement that owns this expression
const Statement* Stmt() const { return statement_; }
protected:
/// The AST expression node for this semantic expression
const ast::Expression* const declaration_;
private:
const Statement* const statement_;
};
} // namespace tint::sem
#endif // SRC_TINT_LANG_WGSL_SEM_EXPRESSION_H_