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//== CheckerVisitor.h - Abstract visitor for checkers ------------*- 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 CheckerVisitor.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_CHECKERVISITOR
#define LLVM_CLANG_ANALYSIS_CHECKERVISITOR
#include "clang/Analysis/PathSensitive/Checker.h"
namespace clang {
//===----------------------------------------------------------------------===//
// Checker visitor interface. Used by subclasses of Checker to specify their
// own checker visitor logic.
//===----------------------------------------------------------------------===//
/// CheckerVisitor - This class implements a simple visitor for Stmt subclasses.
/// Since Expr derives from Stmt, this also includes support for visiting Exprs.
template<typename ImplClass>
class CheckerVisitor : public Checker {
public:
virtual void _PreVisit(CheckerContext &C, const Stmt *stmt) {
PreVisit(C, stmt);
}
void PreVisit(CheckerContext &C, const Stmt *S) {
switch (S->getStmtClass()) {
default:
assert(false && "Unsupport statement.");
return;
#define PREVISIT(NAME) \
case Stmt::NAME ## Class:\
static_cast<ImplClass*>(this)->PreVisit ## NAME(C,static_cast<const NAME*>(S));\
break;
#include "clang/Analysis/PathSensitive/CheckerVisitor.def"
}
}
#define PREVISIT(NAME) \
void PreVisit ## NAME(CheckerContext &C, const NAME* S) {}
#include "clang/Analysis/PathSensitive/CheckerVisitor.def"
};
} // end clang namespace
#endif
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