UndefResultChecker.cpp File Reference

#include "ClangSACheckers.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/ExprEngine.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"

Include dependency graph for UndefResultChecker.cpp:

Go to the source code of this file.

Functions
static bool	isArrayIndexOutOfBounds (CheckerContext &C, const Expr *Ex)
static bool	isShiftOverflow (const BinaryOperator *B, CheckerContext &C)
static bool	isLeftShiftResultUnrepresentable (const BinaryOperator *B, CheckerContext &C)

Function Documentation

isArrayIndexOutOfBounds()

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

static

Definition at line 38 of file UndefResultChecker.cpp.

References clang::ento::SVal::castAs(), clang::ento::ElementRegion::getIndex(), clang::ento::StoreManager::getSizeInElements(), clang::ento::CheckerContext::getState(), clang::ento::CheckerContext::getStoreManager(), clang::ento::SubRegion::getSuperRegion(), clang::ento::CheckerContext::getSVal(), clang::ento::ElementRegion::getValueType(), clang::ento::SVal::isValid(), and clang::CodeGen::state.

Referenced by isLeftShiftResultUnrepresentable().

isLeftShiftResultUnrepresentable()

static bool isLeftShiftResultUnrepresentable ( const BinaryOperator *  B, CheckerContext &  C  )

static

Definition at line 66 of file UndefResultChecker.cpp.

References clang::ento::CheckerContext::generateErrorNode(), clang::ento::CheckerContext::getCalleeName(), clang::LocationContext::getDecl(), clang::ento::SValBuilder::getKnownValue(), clang::BinaryOperator::getLHS(), clang::BinaryOperator::getOpcode(), clang::BinaryOperator::getOpcodeStr(), clang::BinaryOperator::getRHS(), clang::ento::CheckerContext::getStackFrame(), clang::ento::CheckerContext::getState(), clang::ento::CheckerContext::getSVal(), clang::ento::CheckerContext::getSValBuilder(), clang::Expr::IgnoreParenCasts(), isArrayIndexOutOfBounds(), clang::ento::CheckerContext::isNegative(), isShiftOverflow(), clang::ento::SVal::isUndef(), and State.

isShiftOverflow()

static bool isShiftOverflow ( const BinaryOperator *  B, CheckerContext &  C  )

static

Definition at line 61 of file UndefResultChecker.cpp.

References clang::ento::CheckerContext::getASTContext(), clang::ASTContext::getIntWidth(), clang::BinaryOperator::getLHS(), clang::BinaryOperator::getRHS(), clang::Expr::getType(), and clang::ento::CheckerContext::isGreaterOrEqual().

Referenced by isLeftShiftResultUnrepresentable().