| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 QUICKSTEP_TYPES_OPERATIONS_UNARY_OPERATIONS_ARITHMETIC_UNARY_OPERATIONS_HPP_ |
| #define QUICKSTEP_TYPES_OPERATIONS_UNARY_OPERATIONS_ARITHMETIC_UNARY_OPERATIONS_HPP_ |
| |
| #include "types/TypedValue.hpp" |
| #include "types/operations/unary_operations/UnaryOperation.hpp" |
| #include "types/operations/unary_operations/UnaryOperationID.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| |
| class Type; |
| |
| /** \addtogroup Types |
| * @{ |
| */ |
| |
| /** |
| * @brief A UnaryOperation which applies to and yields numeric values. |
| **/ |
| class ArithmeticUnaryOperation : public UnaryOperation { |
| public: |
| bool canApplyToType(const Type &type) const override; |
| |
| const Type* resultTypeForArgumentType(const Type &type) const override; |
| |
| const Type* pushDownTypeHint(const Type *type_hint) const override; |
| |
| protected: |
| explicit ArithmeticUnaryOperation(const UnaryOperationID operation_id) |
| : UnaryOperation(operation_id) { |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ArithmeticUnaryOperation); |
| }; |
| |
| /** |
| * @brief The UnaryOperation for negation. |
| **/ |
| class NegateUnaryOperation : public ArithmeticUnaryOperation { |
| public: |
| /** |
| * @brief Get a reference to the singleton instance of this Operation. |
| * |
| * @return A reference to the singleton instance of this Operation. |
| **/ |
| static const NegateUnaryOperation& Instance() { |
| static NegateUnaryOperation instance; |
| return instance; |
| } |
| |
| const Type* fixedNullableResultType() const override { |
| return nullptr; |
| } |
| |
| bool resultTypeIsPlausible(const Type &result_type) const override; |
| |
| TypedValue applyToChecked(const TypedValue &argument, |
| const Type &argument_type) const override; |
| |
| UncheckedUnaryOperator* makeUncheckedUnaryOperatorForType(const Type &type) const override; |
| |
| private: |
| NegateUnaryOperation() |
| : ArithmeticUnaryOperation(UnaryOperationID::kNegate) { |
| } |
| |
| DISALLOW_COPY_AND_ASSIGN(NegateUnaryOperation); |
| }; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_TYPES_OPERATIONS_UNARY_OPERATIONS_ARITHMETIC_UNARY_OPERATIONS_HPP_ |