1 // Copyright 2020 The Tint Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef SRC_SEM_POINTER_TYPE_H_ 16 #define SRC_SEM_POINTER_TYPE_H_ 17 18 #include <string> 19 20 #include "src/ast/access.h" 21 #include "src/ast/storage_class.h" 22 #include "src/sem/type.h" 23 24 namespace tint { 25 namespace sem { 26 27 /// A pointer type. 28 class Pointer : public Castable<Pointer, Type> { 29 public: 30 /// Constructor 31 /// @param subtype the pointee type 32 /// @param storage_class the storage class of the pointer 33 /// @param access the resolved access control of the reference 34 Pointer(const Type* subtype, 35 ast::StorageClass storage_class, 36 ast::Access access); 37 38 /// Move constructor 39 Pointer(Pointer&&); 40 ~Pointer() override; 41 42 /// @returns the pointee type StoreType()43 const Type* StoreType() const { return subtype_; } 44 45 /// @returns the storage class of the pointer StorageClass()46 ast::StorageClass StorageClass() const { return storage_class_; } 47 48 /// @returns the access control of the reference Access()49 ast::Access Access() const { return access_; } 50 51 /// @returns the name for this type 52 std::string type_name() const override; 53 54 /// @param symbols the program's symbol table 55 /// @returns the name for this type that closely resembles how it would be 56 /// declared in WGSL. 57 std::string FriendlyName(const SymbolTable& symbols) const override; 58 59 private: 60 Type const* const subtype_; 61 ast::StorageClass const storage_class_; 62 ast::Access const access_; 63 }; 64 65 } // namespace sem 66 } // namespace tint 67 68 #endif // SRC_SEM_POINTER_TYPE_H_ 69