| //===--- DeclNodes.def - Swift Declaration AST Metaprogramming --*- 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 macros used for macro-metaprogramming with declarations. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| |
| |
| /// DECL(Id, Parent) |
| /// If the declaration node is not abstract, its enumerator value is |
| /// DeclKind::Id. The node's class name is Id##Decl, and the name of |
| /// its base class (in the Decl hierarchy) is Parent. |
| |
| /// An abstract declaration node is an abstract base class in the hierarchy; |
| /// it is never a most-derived type, and it does not have an enumerator in |
| /// DeclKind. |
| /// |
| /// Most metaprograms do not care about abstract declarations, so the default |
| /// is to ignore them. |
| #ifndef ABSTRACT_DECL |
| #define ABSTRACT_DECL(Id, Parent) |
| #endif |
| |
| /// CONTEXT_DECL(Id, Parent) |
| /// Used for Decls that are also DeclContexts. The default behavior is to do |
| /// the same as for Decl. |
| #ifndef CONTEXT_DECL |
| #define CONTEXT_DECL(Id, Parent) DECL(Id, Parent) |
| #endif |
| |
| /// VALUE_DECL(Id, Parent) |
| /// Used for subclasses of ValueDecl. The default behavior is to do |
| /// the same as for Decl. |
| #ifndef VALUE_DECL |
| #define VALUE_DECL(Id, Parent) DECL(Id, Parent) |
| #endif |
| |
| /// CONTEXT_VALUE_DECL(Id, Parent) |
| /// Used for subclasses of ValueDecl that are also DeclContexts. The default |
| /// behavior is to do the same as for ValueDecl. |
| #ifndef CONTEXT_VALUE_DECL |
| #define CONTEXT_VALUE_DECL(Id, Parent) VALUE_DECL(Id, Parent) |
| #endif |
| |
| /// FUNCTION_DECL(Id, Parent) |
| /// Used for subclasses of AbstractFunctionDecl. The default behavior is to do |
| /// the same as for CONTEXT_VALUE_DECL. |
| #ifndef FUNCTION_DECL |
| #define FUNCTION_DECL(Id, Parent) CONTEXT_VALUE_DECL(Id, Parent) |
| #endif |
| |
| /// OPERATOR_DECL(Id, Parent) |
| /// Used for subclasses of OperatorDecl. The default behavior is to do |
| /// the same as for Decl. |
| #ifndef OPERATOR_DECL |
| #define OPERATOR_DECL(Id, Parent) DECL(Id, Parent) |
| #endif |
| |
| /// NOMINAL_TYPE_DECL(Id, Parent) |
| /// Used for subclasses of NominalTypeDecl. The default behavior is |
| /// to do the same as for CONTEXT_VALUE_DECL. |
| #ifndef NOMINAL_TYPE_DECL |
| #define NOMINAL_TYPE_DECL(Id, Parent) CONTEXT_VALUE_DECL(Id, Parent) |
| #endif |
| |
| /// EXTENSION_DECL(Id, Parent) |
| /// Used for subclasses of ExtensionDecl. The default behavior is |
| /// to do the same as for CONTEXT_DECL. |
| #ifndef EXTENSION_DECL |
| #define EXTENSION_DECL(Id, Parent) CONTEXT_DECL(Id, Parent) |
| #endif |
| |
| /// A convenience for determining the range of declarations. These will always |
| /// appear immediately after the last member. |
| #ifndef DECL_RANGE |
| #define DECL_RANGE(Id, First, Last) |
| #endif |
| |
| DECL(Import, Decl) |
| EXTENSION_DECL(Extension, Decl) |
| DECL(PatternBinding, Decl) |
| DECL(EnumCase, Decl) |
| CONTEXT_DECL(TopLevelCode, Decl) |
| DECL(IfConfig, Decl) |
| DECL(PrecedenceGroup, Decl) |
| DECL(MissingMember, Decl) |
| |
| ABSTRACT_DECL(Operator, Decl) |
| OPERATOR_DECL(InfixOperator, OperatorDecl) |
| OPERATOR_DECL(PrefixOperator, OperatorDecl) |
| OPERATOR_DECL(PostfixOperator, OperatorDecl) |
| DECL_RANGE(Operator, InfixOperator, PostfixOperator) |
| |
| ABSTRACT_DECL(Value, Decl) |
| ABSTRACT_DECL(Type, ValueDecl) |
| ABSTRACT_DECL(AbstractTypeParam, TypeDecl) |
| VALUE_DECL(GenericTypeParam, AbstractTypeParamDecl) |
| VALUE_DECL(AssociatedType, AbstractTypeParamDecl) |
| DECL_RANGE(AbstractTypeParam, GenericTypeParam, AssociatedType) |
| ABSTRACT_DECL(GenericType, TypeDecl) |
| CONTEXT_VALUE_DECL(TypeAlias, GenericTypeDecl) |
| ABSTRACT_DECL(NominalType, GenericTypeDecl) |
| NOMINAL_TYPE_DECL(Enum, NominalTypeDecl) |
| NOMINAL_TYPE_DECL(Struct, NominalTypeDecl) |
| NOMINAL_TYPE_DECL(Class, NominalTypeDecl) |
| NOMINAL_TYPE_DECL(Protocol, NominalTypeDecl) |
| DECL_RANGE(NominalType, Enum, Protocol) |
| DECL_RANGE(GenericType, TypeAlias, Protocol) |
| CONTEXT_VALUE_DECL(Module, TypeDecl) |
| DECL_RANGE(Type, GenericTypeParam, Module) |
| ABSTRACT_DECL(AbstractStorage, ValueDecl) |
| VALUE_DECL(Var, AbstractStorageDecl) |
| VALUE_DECL(Param, VarDecl) |
| CONTEXT_VALUE_DECL(Subscript, AbstractStorageDecl) |
| DECL_RANGE(AbstractStorage, Var, Subscript) |
| ABSTRACT_DECL(AbstractFunction, ValueDecl) |
| FUNCTION_DECL(Constructor, AbstractFunctionDecl) |
| FUNCTION_DECL(Destructor, AbstractFunctionDecl) |
| FUNCTION_DECL(Func, AbstractFunctionDecl) |
| DECL_RANGE(AbstractFunction, Constructor, Func) |
| VALUE_DECL(EnumElement, ValueDecl) |
| DECL_RANGE(Value, GenericTypeParam, EnumElement) |
| |
| #undef NOMINAL_TYPE_DECL |
| #undef VALUE_DECL |
| #undef DECL_RANGE |
| #undef ABSTRACT_DECL |
| #undef FUNCTION_DECL |
| #undef CONTEXT_DECL |
| #undef CONTEXT_VALUE_DECL |
| #undef EXTENSION_DECL |
| #undef DECL |