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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_IR_CONSTANT_H_
#define SRC_TINT_IR_CONSTANT_H_
#include <ostream>
#include "src/tint/constant/value.h"
#include "src/tint/ir/value.h"
#include "src/tint/symbol_table.h"
namespace tint::ir {
/// Constant in the IR.
class Constant : public Castable<Constant, Value> {
public:
/// Constructor
/// @param val the value stored in the constant
explicit Constant(const constant::Value* val);
~Constant() override;
/// @returns the type of the constant
const type::Type* Type() const override { return value->Type(); }
/// Write the constant to the given stream
/// @param out the stream to write to
/// @param st the symbol table
/// @returns the stream
std::ostream& ToString(std::ostream& out, const SymbolTable& st) const override;
/// The constants value
const constant::Value* const value;
};
} // namespace tint::ir
#endif // SRC_TINT_IR_CONSTANT_H_