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_AST_POINTER_H_ 16 #define SRC_AST_POINTER_H_ 17 18 #include <string> 19 20 #include "src/ast/access.h" 21 #include "src/ast/storage_class.h" 22 #include "src/ast/type.h" 23 24 namespace tint { 25 namespace ast { 26 27 /// A pointer type. 28 class Pointer : public Castable<Pointer, Type> { 29 public: 30 /// Constructor 31 /// @param pid the identifier of the program that owns this node 32 /// @param src the source of this node 33 /// @param subtype the pointee type 34 /// @param storage_class the storage class of the pointer 35 /// @param access the access control of the pointer 36 Pointer(ProgramID pid, 37 const Source& src, 38 const Type* const subtype, 39 ast::StorageClass storage_class, 40 ast::Access access); 41 /// Move constructor 42 Pointer(Pointer&&); 43 ~Pointer() override; 44 45 /// @param symbols the program's symbol table 46 /// @returns the name for this type that closely resembles how it would be 47 /// declared in WGSL. 48 std::string FriendlyName(const SymbolTable& symbols) const override; 49 50 /// Clones this type and all transitive types using the `CloneContext` `ctx`. 51 /// @param ctx the clone context 52 /// @return the newly cloned type 53 const Pointer* Clone(CloneContext* ctx) const override; 54 55 /// The pointee type 56 const Type* const type; 57 58 /// The storage class of the pointer 59 ast::StorageClass const storage_class; 60 61 /// The access control of the pointer 62 ast::Access const access; 63 }; 64 65 } // namespace ast 66 } // namespace tint 67 68 #endif // SRC_AST_POINTER_H_ 69