/usr/include/clang/AST/DeclVisitor.h is in libclang-dev 3.0-6ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | //===--- DeclVisitor.h - Visitor for Decl subclasses ------------*- 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 DeclVisitor interface.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_DECLVISITOR_H
#define LLVM_CLANG_AST_DECLVISITOR_H
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclFriend.h"
#include "clang/AST/DeclTemplate.h"
namespace clang {
#define DISPATCH(NAME, CLASS) \
return static_cast<ImplClass*>(this)-> Visit##NAME(static_cast<CLASS*>(D))
/// \brief A simple visitor class that helps create declaration visitors.
template<typename ImplClass, typename RetTy=void>
class DeclVisitor {
public:
RetTy Visit(Decl *D) {
switch (D->getKind()) {
default: llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
#define DECL(DERIVED, BASE) \
case Decl::DERIVED: DISPATCH(DERIVED##Decl, DERIVED##Decl);
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
}
}
// If the implementation chooses not to implement a certain visit
// method, fall back to the parent.
#define DECL(DERIVED, BASE) \
RetTy Visit##DERIVED##Decl(DERIVED##Decl *D) { DISPATCH(BASE, BASE); }
#include "clang/AST/DeclNodes.inc"
RetTy VisitDecl(Decl *D) { return RetTy(); }
};
#undef DISPATCH
} // end namespace clang
#endif // LLVM_CLANG_AST_DECLVISITOR_H
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