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//===-- DeclNodes.def - Metadata about Decl AST nodes -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the declaration nodes within the AST. The
// description of the declaration nodes uses six macros:
//
// DECL(Derived, Base) describes a normal declaration type Derived
// and specifies its base class. Note that Derived should not have
// the Decl suffix on it, while Base should.
//
// LAST_DECL(Derived, Base) is like DECL, but is used for the last
// declaration in the list.
//
// ABSTRACT_DECL(Derived, Base) describes an abstract class that is
// used to specify a classification of declarations. For example,
// TagDecl is an abstract class used to describe the various kinds of
// "tag" declarations (unions, structs, classes, enums).
//
// DECL_CONTEXT(Decl) specifies that Decl is a kind of declaration
// that is also a DeclContext.
//
// LAST_DECL_CONTEXT(Decl) is like DECL_CONTEXT, but is used for the
// last declaration context.
//
// DECL_RANGE(CommonBase, Start, End) specifies a range of
// declaration values that have a common (potentially indirect) base
// class.
//
// LAST_DECL_RANGE(CommonBase, Start, End) is like DECL_RANGE, but is
// used for the last declaration range.
//
// Note that, due to the use of ranges, the order of the these
// declarations is significant. A declaration should be listed under
// its base class.
// ===----------------------------------------------------------------------===//
#ifndef DECL
# define DECL(Derived, Base)
#endif
#ifndef LAST_DECL
# define LAST_DECL(Derived, Base) DECL(Derived, Base)
#endif
#ifndef ABSTRACT_DECL
# define ABSTRACT_DECL(Derived, Base)
#endif
#ifndef DECL_CONTEXT
# define DECL_CONTEXT(Decl)
#endif
#ifndef DECL_CONTEXT_BASE
# define DECL_CONTEXT_BASE(Decl) DECL_CONTEXT(Decl)
#endif
#ifndef LAST_DECL_CONTEXT
# define LAST_DECL_CONTEXT(Decl) DECL_CONTEXT(Decl)
#endif
#ifndef DECL_RANGE
# define DECL_RANGE(CommonBase, Start, End)
#endif
#ifndef LAST_DECL_RANGE
# define LAST_DECL_RANGE(CommonBase, Start, End) \
DECL_RANGE(CommonBase, Start, End)
#endif
DECL(TranslationUnit, Decl)
ABSTRACT_DECL(Named, Decl)
DECL(Namespace, NamedDecl)
DECL(UsingDirective, NamedDecl)
DECL(NamespaceAlias, NamedDecl)
ABSTRACT_DECL(Type, NamedDecl)
DECL(Typedef, TypeDecl)
DECL(UnresolvedUsingTypename, TypeDecl)
ABSTRACT_DECL(Tag, TypeDecl)
DECL(Enum, TagDecl)
DECL(Record, TagDecl)
DECL(CXXRecord, RecordDecl)
DECL(ClassTemplateSpecialization, CXXRecordDecl)
DECL(ClassTemplatePartialSpecialization,
ClassTemplateSpecializationDecl)
DECL(TemplateTypeParm, TypeDecl)
ABSTRACT_DECL(Value, NamedDecl)
DECL(EnumConstant, ValueDecl)
DECL(UnresolvedUsingValue, ValueDecl)
ABSTRACT_DECL(Declarator, ValueDecl)
DECL(Function, DeclaratorDecl)
DECL(CXXMethod, FunctionDecl)
DECL(CXXConstructor, CXXMethodDecl)
DECL(CXXDestructor, CXXMethodDecl)
DECL(CXXConversion, CXXMethodDecl)
DECL(Field, DeclaratorDecl)
DECL(ObjCIvar, FieldDecl)
DECL(ObjCAtDefsField, FieldDecl)
DECL(Var, DeclaratorDecl)
DECL(ImplicitParam, VarDecl)
DECL(ParmVar, VarDecl)
DECL(NonTypeTemplateParm, VarDecl)
ABSTRACT_DECL(Template, NamedDecl)
DECL(FunctionTemplate, TemplateDecl)
DECL(ClassTemplate, TemplateDecl)
DECL(TemplateTemplateParm, TemplateDecl)
DECL(Using, NamedDecl)
DECL(UsingShadow, NamedDecl)
DECL(ObjCMethod, NamedDecl)
ABSTRACT_DECL(ObjCContainer, NamedDecl)
DECL(ObjCCategory, ObjCContainerDecl)
DECL(ObjCProtocol, ObjCContainerDecl)
DECL(ObjCInterface, ObjCContainerDecl)
ABSTRACT_DECL(ObjCImpl, ObjCContainerDecl)
DECL(ObjCCategoryImpl, ObjCImplDecl)
DECL(ObjCImplementation, ObjCImplDecl)
DECL(ObjCProperty, NamedDecl)
DECL(ObjCCompatibleAlias, NamedDecl)
DECL(LinkageSpec, Decl)
DECL(ObjCPropertyImpl, Decl)
DECL(ObjCForwardProtocol, Decl)
DECL(ObjCClass, Decl)
DECL(FileScopeAsm, Decl)
DECL(Friend, Decl)
DECL(FriendTemplate, Decl)
DECL(StaticAssert, Decl)
LAST_DECL(Block, Decl)
// Declaration contexts. DECL_CONTEXT_BASE indicates that it has subclasses.
DECL_CONTEXT(TranslationUnit)
DECL_CONTEXT(Namespace)
DECL_CONTEXT(LinkageSpec)
DECL_CONTEXT(ObjCMethod)
DECL_CONTEXT_BASE(Tag)
DECL_CONTEXT_BASE(Function)
DECL_CONTEXT_BASE(ObjCContainer)
LAST_DECL_CONTEXT(Block)
// Declaration ranges
DECL_RANGE(Named, Namespace, ObjCCompatibleAlias)
DECL_RANGE(ObjCContainer, ObjCCategory, ObjCImplementation)
DECL_RANGE(Field, Field, ObjCAtDefsField)
DECL_RANGE(Type, Typedef, TemplateTypeParm)
DECL_RANGE(Tag, Enum, ClassTemplatePartialSpecialization)
DECL_RANGE(Record, Record, ClassTemplatePartialSpecialization)
DECL_RANGE(Value, EnumConstant, NonTypeTemplateParm)
DECL_RANGE(Declarator, Function, NonTypeTemplateParm)
DECL_RANGE(Function, Function, CXXConversion)
DECL_RANGE(Template, FunctionTemplate, TemplateTemplateParm)
DECL_RANGE(ObjCImpl, ObjCCategoryImpl, ObjCImplementation)
LAST_DECL_RANGE(Var, Var, NonTypeTemplateParm)
#undef LAST_DECL_RANGE
#undef DECL_RANGE
#undef LAST_DECL_CONTEXT
#undef DECL_CONTEXT_BASE
#undef DECL_CONTEXT
#undef ABSTRACT_DECL
#undef LAST_DECL
#undef DECL
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