llvm/clang/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp

//=== UndefResultChecker.cpp ------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This defines UndefResultChecker, a builtin check in ExprEngine that
// performs checks for undefined results of non-assignment binary operators.
//
//===----------------------------------------------------------------------===//

#include "clang/StaticAnalyzer/Checkers/BuiltinCheckerRegistration.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "clang/StaticAnalyzer/Core/CheckerManager.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicExtent.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"

usingnamespaceclang;
usingnamespaceento;

namespace {
class UndefResultChecker
  : public Checker< check::PostStmt<BinaryOperator> > { … };
} // end anonymous namespace

static bool isArrayIndexOutOfBounds(CheckerContext &C, const Expr *Ex) { … }

void UndefResultChecker::checkPostStmt(const BinaryOperator *B,
                                       CheckerContext &C) const { … }

void ento::registerUndefResultChecker(CheckerManager &mgr) { … }

bool ento::shouldRegisterUndefResultChecker(const CheckerManager &mgr) { … }