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//= CFGRecStmtDeclVisitor - Recursive visitor of CFG stmts/decls -*- C++ --*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the template class CFGRecStmtDeclVisitor, which extends
// CFGRecStmtVisitor by implementing (typed) visitation of decls.
//
// FIXME: This may not be fully complete. We currently explore only subtypes
// of ScopedDecl.
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_CFG_REC_STMT_DECL_VISITOR_H
#define LLVM_CLANG_ANALYSIS_CFG_REC_STMT_DECL_VISITOR_H
#include "clang/Analysis/Visitors/CFGRecStmtVisitor.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
#define DISPATCH_CASE(CASE,CLASS) \
case Decl::CASE: \
static_cast<ImplClass*>(this)->Visit##CLASS(static_cast<CLASS*>(D));\
break;
#define DEFAULT_DISPATCH(CLASS) void Visit##CLASS(CLASS* D) {}
#define DEFAULT_DISPATCH_VARDECL(CLASS) void Visit##CLASS(CLASS* D)\
{ static_cast<ImplClass*>(this)->VisitVarDecl(D); }
namespace clang {
template <typename ImplClass>
class CFGRecStmtDeclVisitor : public CFGRecStmtVisitor<ImplClass> {
public:
void VisitDeclRefExpr(DeclRefExpr* DR) {
static_cast<ImplClass*>(this)->VisitDecl(DR->getDecl());
}
void VisitDeclStmt(DeclStmt* DS) {
for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end();
DI != DE; ++DI) {
Decl* D = *DI;
static_cast<ImplClass*>(this)->VisitDecl(D);
// Visit the initializer.
if (VarDecl* VD = dyn_cast<VarDecl>(D))
if (Expr* I = VD->getInit())
static_cast<ImplClass*>(this)->Visit(I);
}
}
void VisitDecl(Decl* D) {
switch (D->getKind()) {
DISPATCH_CASE(Function,FunctionDecl)
DISPATCH_CASE(Var,VarDecl)
DISPATCH_CASE(ParmVar,ParmVarDecl) // FIXME: (same)
DISPATCH_CASE(OriginalParmVar,OriginalParmVarDecl) // FIXME: (same)
DISPATCH_CASE(ImplicitParam,ImplicitParamDecl)
DISPATCH_CASE(EnumConstant,EnumConstantDecl)
DISPATCH_CASE(Typedef,TypedefDecl)
DISPATCH_CASE(Record,RecordDecl) // FIXME: Refine. VisitStructDecl?
DISPATCH_CASE(Enum,EnumDecl)
default:
assert(false && "Subtype of ScopedDecl not handled.");
}
}
DEFAULT_DISPATCH(VarDecl)
DEFAULT_DISPATCH(FunctionDecl)
DEFAULT_DISPATCH_VARDECL(OriginalParmVarDecl)
DEFAULT_DISPATCH_VARDECL(ParmVarDecl)
DEFAULT_DISPATCH(ImplicitParamDecl)
DEFAULT_DISPATCH(EnumConstantDecl)
DEFAULT_DISPATCH(TypedefDecl)
DEFAULT_DISPATCH(RecordDecl)
DEFAULT_DISPATCH(EnumDecl)
DEFAULT_DISPATCH(ObjCInterfaceDecl)
DEFAULT_DISPATCH(ObjCClassDecl)
DEFAULT_DISPATCH(ObjCMethodDecl)
DEFAULT_DISPATCH(ObjCProtocolDecl)
DEFAULT_DISPATCH(ObjCCategoryDecl)
};
} // end namespace clang
#undef DISPATCH_CASE
#undef DEFAULT_DISPATCH
#endif
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