#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h"

Public Member Functions
	SymbolManager (ASTContext &ctx, BasicValueFactory &bv, llvm::BumpPtrAllocator &bpalloc)

const SymbolRegionValue *	getRegionValueSymbol (const TypedValueRegion *R)
	Make a unique symbol for MemRegion R according to its kind.

const SymbolConjured *	conjureSymbol (const Stmt E, const LocationContext LCtx, QualType T, unsigned VisitCount, const void *SymbolTag=nullptr)

const SymbolConjured *	conjureSymbol (const Expr E, const LocationContext LCtx, unsigned VisitCount, const void *SymbolTag=nullptr)

const SymbolDerived *	getDerivedSymbol (SymbolRef parentSymbol, const TypedValueRegion *R)

const SymbolExtent *	getExtentSymbol (const SubRegion *R)

const SymbolMetadata *	getMetadataSymbol (const MemRegion R, const Stmt S, QualType T, const LocationContext LCtx, unsigned VisitCount, const void SymbolTag=nullptr)
	Creates a metadata symbol associated with a specific region.

const SymbolCast *	getCastSymbol (const SymExpr *Operand, QualType From, QualType To)

const SymIntExpr *	getSymIntExpr (const SymExpr *lhs, BinaryOperator::Opcode op, const llvm::APSInt &rhs, QualType t)

const SymIntExpr *	getSymIntExpr (const SymExpr &lhs, BinaryOperator::Opcode op, const llvm::APSInt &rhs, QualType t)

const IntSymExpr *	getIntSymExpr (const llvm::APSInt &lhs, BinaryOperator::Opcode op, const SymExpr *rhs, QualType t)

const SymSymExpr *	getSymSymExpr (const SymExpr lhs, BinaryOperator::Opcode op, const SymExpr rhs, QualType t)

const UnarySymExpr *	getUnarySymExpr (const SymExpr *operand, UnaryOperator::Opcode op, QualType t)

QualType	getType (const SymExpr *SE) const

void	addSymbolDependency (const SymbolRef Primary, const SymbolRef Dependent)
	Add artificial symbol dependency.

const SymbolRefSmallVectorTy *	getDependentSymbols (const SymbolRef Primary)

ASTContext &	getContext ()

BasicValueFactory &	getBasicVals ()

Static Public Member Functions
static bool	canSymbolicate (QualType T)

Detailed Description

Definition at line 482 of file SymbolManager.h.

Constructor & Destructor Documentation

◆ SymbolManager()

clang::ento::SymbolManager::SymbolManager	(	ASTContext &	ctx,
		BasicValueFactory &	bv,
		llvm::BumpPtrAllocator &	bpalloc
	)

inline

Definition at line 499 of file SymbolManager.h.

Member Function Documentation

◆ addSymbolDependency()

void SymbolManager::addSymbolDependency	(	const SymbolRef	Primary,
		const SymbolRef	Dependent
	)

Add artificial symbol dependency.

The dependent symbol should stay alive as long as the primary is alive.

Definition at line 364 of file SymbolManager.cpp.

References clang::Dependent.

◆ canSymbolicate()

bool SymbolManager::canSymbolicate ( QualType T )

static

Definition at line 349 of file SymbolManager.cpp.

References clang::Type::isIntegralOrEnumerationType(), clang::ento::Loc::isLocType(), clang::Type::isRecordType(), clang::Type::isUnionType(), and clang::T.

Referenced by clang::ento::SValBuilder::conjureSymbolVal(), clang::ento::SValBuilder::getConjuredHeapSymbolVal(), clang::ento::SValBuilder::getDerivedRegionValueSymbolVal(), clang::ento::SValBuilder::getMetadataSymbolVal(), and clang::ento::SValBuilder::getRegionValueSymbolVal().

◆ conjureSymbol() [1/2]

const SymbolConjured * clang::ento::SymbolManager::conjureSymbol	(	const Expr *	E,
		const LocationContext *	LCtx,
		unsigned	VisitCount,
		const void *	SymbolTag = `nullptr`
	)

inline

Definition at line 514 of file SymbolManager.h.

References conjureSymbol(), E, and VisitCount.

◆ conjureSymbol() [2/2]

const SymbolConjured * SymbolManager::conjureSymbol	(	const Stmt *	E,
		const LocationContext *	LCtx,
		QualType	T,
		unsigned	VisitCount,
		const void *	SymbolTag = `nullptr`
	)

Definition at line 181 of file SymbolManager.cpp.

References E, clang::ento::SymbolConjured::Profile(), and clang::T.

Referenced by conjureSymbol(), clang::ento::SValBuilder::conjureSymbol(), clang::ento::SValBuilder::conjureSymbolVal(), clang::ento::SValBuilder::getConjuredHeapSymbolVal(), and populateObjCForDestinationSet().

◆ getBasicVals()

BasicValueFactory & clang::ento::SymbolManager::getBasicVals ( )

inline

Definition at line 569 of file SymbolManager.h.

◆ getCastSymbol()

const SymbolCast * SymbolManager::getCastSymbol	(	const SymExpr *	Operand,
		QualType	From,
		QualType	To
	)

Definition at line 248 of file SymbolManager.cpp.

References clang::ento::SymbolCast::Profile().

Referenced by clang::ento::SValBuilder::makeNonLoc().

◆ getContext()

ASTContext & clang::ento::SymbolManager::getContext ( )

inline

Definition at line 568 of file SymbolManager.h.

Referenced by clang::ento::RangedConstraintManager::assumeSym().

◆ getDependentSymbols()

const SymbolRefSmallVectorTy * SymbolManager::getDependentSymbols ( const SymbolRef Primary )

Definition at line 373 of file SymbolManager.cpp.

◆ getDerivedSymbol()

const SymbolDerived * SymbolManager::getDerivedSymbol	(	SymbolRef	parentSymbol,
		const TypedValueRegion *	R
	)

Definition at line 200 of file SymbolManager.cpp.

References clang::ento::SymbolDerived::Profile().

Referenced by clang::ento::SValBuilder::getDerivedRegionValueSymbolVal().

◆ getExtentSymbol()

const SymbolExtent * SymbolManager::getExtentSymbol ( const SubRegion * R )

Definition at line 216 of file SymbolManager.cpp.

References clang::ento::SymbolExtent::Profile().

Referenced by clang::ento::MemRegionManager::getStaticSize().

◆ getIntSymExpr()

const IntSymExpr * SymbolManager::getIntSymExpr	(	const llvm::APSInt &	lhs,
		BinaryOperator::Opcode	op,
		const SymExpr *	rhs,
		QualType	t
	)

Definition at line 279 of file SymbolManager.cpp.

References clang::ento::BinarySymExprImpl< LHSTYPE, RHSTYPE, ClassKind >::Profile().

Referenced by clang::ento::SValBuilder::makeNonLoc().

◆ getMetadataSymbol()

const SymbolMetadata * SymbolManager::getMetadataSymbol	(	const MemRegion *	R,
		const Stmt *	S,
		QualType	T,
		const LocationContext *	LCtx,
		unsigned	VisitCount,
		const void *	SymbolTag = `nullptr`
	)