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-rw-r--r--contrib/llvm/tools/clang/lib/Index/ASTVisitor.h143
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diff --git a/contrib/llvm/tools/clang/lib/Index/ASTVisitor.h b/contrib/llvm/tools/clang/lib/Index/ASTVisitor.h
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--- a/contrib/llvm/tools/clang/lib/Index/ASTVisitor.h
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-//===--- ASTVisitor.h - Visitor for an ASTContext ---------------*- 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 ASTVisitor interface.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_ASTVISITOR_H
-#define LLVM_CLANG_INDEX_ASTVISITOR_H
-
-#include "clang/AST/DeclVisitor.h"
-#include "clang/AST/StmtVisitor.h"
-#include "clang/AST/TypeLocVisitor.h"
-
-namespace clang {
-
-namespace idx {
-
-/// \brief Traverses the full AST, both Decls and Stmts.
-template<typename ImplClass>
-class ASTVisitor : public DeclVisitor<ImplClass>,
- public StmtVisitor<ImplClass>,
- public TypeLocVisitor<ImplClass> {
-public:
- ASTVisitor() : CurrentDecl(0) { }
-
- Decl *CurrentDecl;
-
- typedef ASTVisitor<ImplClass> Base;
- typedef DeclVisitor<ImplClass> BaseDeclVisitor;
- typedef StmtVisitor<ImplClass> BaseStmtVisitor;
- typedef TypeLocVisitor<ImplClass> BaseTypeLocVisitor;
-
- using BaseStmtVisitor::Visit;
-
- //===--------------------------------------------------------------------===//
- // DeclVisitor
- //===--------------------------------------------------------------------===//
-
- void Visit(Decl *D) {
- Decl *PrevDecl = CurrentDecl;
- CurrentDecl = D;
- BaseDeclVisitor::Visit(D);
- CurrentDecl = PrevDecl;
- }
-
- void VisitDeclaratorDecl(DeclaratorDecl *D) {
- BaseDeclVisitor::VisitDeclaratorDecl(D);
- if (TypeSourceInfo *TInfo = D->getTypeSourceInfo())
- Visit(TInfo->getTypeLoc());
- }
-
- void VisitFunctionDecl(FunctionDecl *D) {
- BaseDeclVisitor::VisitFunctionDecl(D);
- if (D->isThisDeclarationADefinition())
- Visit(D->getBody());
- }
-
- void VisitObjCMethodDecl(ObjCMethodDecl *D) {
- BaseDeclVisitor::VisitObjCMethodDecl(D);
- if (D->getBody())
- Visit(D->getBody());
- }
-
- void VisitBlockDecl(BlockDecl *D) {
- BaseDeclVisitor::VisitBlockDecl(D);
- Visit(D->getBody());
- }
-
- void VisitVarDecl(VarDecl *D) {
- BaseDeclVisitor::VisitVarDecl(D);
- if (Expr *Init = D->getInit())
- Visit(Init);
- }
-
- void VisitDecl(Decl *D) {
- if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D) || isa<BlockDecl>(D))
- return;
-
- if (DeclContext *DC = dyn_cast<DeclContext>(D))
- static_cast<ImplClass*>(this)->VisitDeclContext(DC);
- }
-
- void VisitDeclContext(DeclContext *DC) {
- for (DeclContext::decl_iterator
- I = DC->decls_begin(), E = DC->decls_end(); I != E; ++I)
- Visit(*I);
- }
-
- //===--------------------------------------------------------------------===//
- // StmtVisitor
- //===--------------------------------------------------------------------===//
-
- void VisitDeclStmt(DeclStmt *Node) {
- for (DeclStmt::decl_iterator
- I = Node->decl_begin(), E = Node->decl_end(); I != E; ++I)
- Visit(*I);
- }
-
- void VisitBlockExpr(BlockExpr *Node) {
- // The BlockDecl is also visited by 'VisitDeclContext()'. No need to visit it twice.
- }
-
- void VisitStmt(Stmt *Node) {
- for (Stmt::child_range I = Node->children(); I; ++I)
- if (*I)
- Visit(*I);
- }
-
- //===--------------------------------------------------------------------===//
- // TypeLocVisitor
- //===--------------------------------------------------------------------===//
-
- void Visit(TypeLoc TL) {
- for (; TL; TL = TL.getNextTypeLoc())
- BaseTypeLocVisitor::Visit(TL);
- }
-
- void VisitArrayLoc(ArrayTypeLoc TL) {
- BaseTypeLocVisitor::VisitArrayTypeLoc(TL);
- if (TL.getSizeExpr())
- Visit(TL.getSizeExpr());
- }
-
- void VisitFunctionTypeLoc(FunctionTypeLoc TL) {
- BaseTypeLocVisitor::VisitFunctionTypeLoc(TL);
- for (unsigned i = 0; i != TL.getNumArgs(); ++i)
- Visit(TL.getArg(i));
- }
-
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
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