Files
llvm-project/clang/lib/StaticAnalyzer/Checkers/AnalysisOrderChecker.cpp
Aleksei Sidorin 29afb1937b [analyzer] ExprEngine: remove second call to PreStmt<CastExpr>
This patch also introduces AnalysisOrderChecker which is intended for testing
of callback call correctness.

Differential Revision: https://reviews.llvm.org/D23804

llvm-svn: 280367
2016-09-01 13:55:38 +00:00

57 lines
2.0 KiB
C++

//===- AnalysisOrderChecker - Print callbacks called ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This checker prints callbacks that are called during analysis.
// This is required to ensure that callbacks are fired in order
// and do not duplicate or get lost.
// Feel free to extend this checker with any callback you need to check.
//
//===----------------------------------------------------------------------===//
#include "ClangSACheckers.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "clang/StaticAnalyzer/Core/CheckerManager.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
using namespace clang;
using namespace ento;
namespace {
class AnalysisOrderChecker : public Checker< check::PreStmt<CastExpr>,
check::PostStmt<CastExpr>> {
bool isCallbackEnabled(CheckerContext &C, StringRef CallbackName) const {
AnalyzerOptions &Opts = C.getAnalysisManager().getAnalyzerOptions();
return Opts.getBooleanOption("*", false, this) ||
Opts.getBooleanOption(CallbackName, false, this);
}
public:
void checkPreStmt(const CastExpr *CE, CheckerContext &C) const {
if (isCallbackEnabled(C, "PreStmtCastExpr"))
llvm::errs() << "PreStmt<CastExpr> (Kind : " << CE->getCastKindName()
<< ")\n";
}
void checkPostStmt(const CastExpr *CE, CheckerContext &C) const {
if (isCallbackEnabled(C, "PostStmtCastExpr"))
llvm::errs() << "PostStmt<CastExpr> (Kind : " << CE->getCastKindName()
<< ")\n";
}
};
}
//===----------------------------------------------------------------------===//
// Registration.
//===----------------------------------------------------------------------===//
void ento::registerAnalysisOrderChecker(CheckerManager &mgr) {
mgr.registerChecker<AnalysisOrderChecker>();
}