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// Copyright 2022 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_SEM_INDEX_ACCESSOR_EXPRESSION_H_
#define SRC_TINT_SEM_INDEX_ACCESSOR_EXPRESSION_H_
#include <vector>
#include "src/tint/sem/expression.h"
// Forward declarations
namespace tint::ast {
class IndexAccessorExpression;
} // namespace tint::ast
namespace tint::sem {
/// IndexAccessorExpression holds the semantic information for a ast::IndexAccessorExpression node.
class IndexAccessorExpression final : public Castable<IndexAccessorExpression, Expression> {
public:
/// Constructor
/// @param declaration the AST node
/// @param type the resolved type of the expression
/// @param object the object expression that is being indexed
/// @param index the index expression
/// @param statement the statement that owns this expression
/// @param constant the constant value of the expression. May be null
/// @param has_side_effects whether this expression may have side effects
/// @param source_var the (optional) source variable for this expression
IndexAccessorExpression(const ast::IndexAccessorExpression* declaration,
const sem::Type* type,
const Expression* object,
const Expression* index,
const Statement* statement,
const Constant* constant,
bool has_side_effects,
const Variable* source_var = nullptr);
/// Destructor
~IndexAccessorExpression() override;
/// @returns the object expression that is being indexed
Expression const* Object() const { return object_; }
/// @returns the index expression
Expression const* Index() const { return index_; }
private:
Expression const* const object_;
Expression const* const index_;
};
} // namespace tint::sem
#endif // SRC_TINT_SEM_INDEX_ACCESSOR_EXPRESSION_H_