| //===--- TypeVisitor.h - IR-gen TypeVisitor specialization ------*- C++ -*-===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines various type visitors that are useful in |
| // IR-generation. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SWIFT_IRGEN_TYPEVISITOR_H |
| #define SWIFT_IRGEN_TYPEVISITOR_H |
| |
| #include "swift/AST/CanTypeVisitor.h" |
| |
| namespace swift { |
| namespace irgen { |
| |
| /// ReferenceTypeVisitor - This is a specialization of CanTypeVisitor |
| /// which automatically ignores non-reference types. |
| template <typename ImplClass, typename RetTy = void, typename... Args> |
| class ReferenceTypeVisitor : public CanTypeVisitor<ImplClass, RetTy, Args...> { |
| #define TYPE(Id) \ |
| RetTy visit##Id##Type(Can##Id##Type T, Args... args) { \ |
| llvm_unreachable(#Id "Type is not a reference type"); \ |
| } |
| TYPE(BoundGenericEnum) |
| TYPE(BoundGenericStruct) |
| TYPE(BuiltinFloat) |
| TYPE(BuiltinInteger) |
| TYPE(BuiltinRawPointer) |
| TYPE(BuiltinVector) |
| TYPE(LValue) |
| TYPE(Metatype) |
| TYPE(Module) |
| TYPE(Enum) |
| TYPE(ReferenceStorage) |
| TYPE(Struct) |
| TYPE(Tuple) |
| #undef TYPE |
| |
| // BuiltinNativeObject |
| // BuiltinBridgeObject |
| // BuiltinUnknownObject |
| // Class |
| // BoundGenericClass |
| // Protocol |
| // ProtocolComposition |
| // Archetype |
| // Function |
| }; |
| |
| } // end namespace irgen |
| } // end namespace swift |
| |
| #endif |