forked from OSchip/llvm-project
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
//=- AnalysisBasedWarnings.h - Sema warnings based on libAnalysis -*- 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 AnalysisBasedWarnings, a worker object used by Sema
|
|
// that issues warnings based on dataflow-analysis.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_SEMA_ANALYSIS_WARNINGS_H
|
|
#define LLVM_CLANG_SEMA_ANALYSIS_WARNINGS_H
|
|
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/ADT/DenseMap.h"
|
|
|
|
namespace clang {
|
|
|
|
class Sema;
|
|
|
|
namespace sema {
|
|
|
|
class AnalysisBasedWarnings {
|
|
public:
|
|
class Policy {
|
|
friend class AnalysisBasedWarnings;
|
|
// The warnings to run.
|
|
unsigned enableCheckFallThrough : 1;
|
|
unsigned enableCheckUnreachable : 1;
|
|
public:
|
|
Policy();
|
|
void disableCheckFallThrough() { enableCheckFallThrough = 0; }
|
|
};
|
|
|
|
private:
|
|
Sema &S;
|
|
Policy DefaultPolicy;
|
|
|
|
enum VisitFlag { NotVisited = 0, Visited = 1, Pending = 2 };
|
|
llvm::DenseMap<const FunctionDecl*, VisitFlag> VisitedFD;
|
|
|
|
public:
|
|
AnalysisBasedWarnings(Sema &s);
|
|
|
|
Policy getDefaultPolicy() { return DefaultPolicy; }
|
|
|
|
void IssueWarnings(Policy P, const Decl *D, QualType BlockTy = QualType());
|
|
};
|
|
|
|
}} // end namespace clang::sema
|
|
|
|
#endif
|