| // 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_TYPE_REFERENCE_H_ |
| #define SRC_TINT_TYPE_REFERENCE_H_ |
| |
| #include <string> |
| |
| #include "src/tint/ast/access.h" |
| #include "src/tint/ast/address_space.h" |
| #include "src/tint/type/type.h" |
| |
| namespace tint::type { |
| |
| /// A reference type. |
| class Reference final : public Castable<Reference, Type> { |
| public: |
| /// Constructor |
| /// @param subtype the pointee type |
| /// @param address_space the address space of the reference |
| /// @param access the resolved access control of the reference |
| Reference(const Type* subtype, ast::AddressSpace address_space, ast::Access access); |
| |
| /// Move constructor |
| Reference(Reference&&); |
| ~Reference() override; |
| |
| /// @returns a hash of the type. |
| size_t Hash() const override; |
| |
| /// @param other the other type to compare against |
| /// @returns true if the this type is equal to the given type |
| bool Equals(const Type& other) const override; |
| |
| /// @returns the pointee type |
| const Type* StoreType() const { return subtype_; } |
| |
| /// @returns the address space of the reference |
| ast::AddressSpace AddressSpace() const { return address_space_; } |
| |
| /// @returns the resolved access control of the reference. |
| ast::Access Access() const { return access_; } |
| |
| /// @param symbols the program's symbol table |
| /// @returns the name for this type that closely resembles how it would be |
| /// declared in WGSL. |
| std::string FriendlyName(const SymbolTable& symbols) const override; |
| |
| private: |
| Type const* const subtype_; |
| ast::AddressSpace const address_space_; |
| ast::Access const access_; |
| }; |
| |
| } // namespace tint::type |
| |
| #endif // SRC_TINT_TYPE_REFERENCE_H_ |