clang
7.0.0svn
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MemRegion - The root abstract class for all memory regions. More...
#include "clang/StaticAnalyzer/Core/PathSensitive/MemRegion.h"
Public Types | |
enum | Kind |
Public Member Functions | |
ASTContext & | getContext () const |
virtual void | Profile (llvm::FoldingSetNodeID &ID) const =0 |
virtual MemRegionManager * | getMemRegionManager () const =0 |
const MemSpaceRegion * | getMemorySpace () const |
const MemRegion * | getBaseRegion () const |
virtual bool | isSubRegionOf (const MemRegion *R) const |
Check if the region is a subregion of the given region. More... | |
const MemRegion * | StripCasts (bool StripBaseCasts=true) const |
const SymbolicRegion * | getSymbolicBase () const |
If this is a symbolic region, returns the region. More... | |
bool | hasGlobalsOrParametersStorage () const |
bool | hasStackStorage () const |
bool | hasStackNonParametersStorage () const |
bool | hasStackParametersStorage () const |
RegionOffset | getAsOffset () const |
Compute the offset within the top level memory object. More... | |
std::string | getString () const |
Get a string representation of a region for debug use. More... | |
virtual void | dumpToStream (raw_ostream &os) const |
void | dump () const |
virtual bool | canPrintPretty () const |
Returns true if this region can be printed in a user-friendly way. More... | |
virtual void | printPretty (raw_ostream &os) const |
Print the region for use in diagnostics. More... | |
virtual bool | canPrintPrettyAsExpr () const |
Returns true if this region's textual representation can be used as part of a larger expression. More... | |
virtual void | printPrettyAsExpr (raw_ostream &os) const |
Print the region as expression. More... | |
Kind | getKind () const |
template<typename RegionTy > | |
const RegionTy * | getAs () const |
virtual bool | isBoundable () const |
std::string | getDescriptiveName (bool UseQuotes=true) const |
Get descriptive name for memory region. More... | |
SourceRange | sourceRange () const |
Retrieve source range from memory region. More... | |
Protected Member Functions | |
MemRegion (Kind k) | |
virtual | ~MemRegion () |
MemRegion - The root abstract class for all memory regions.
Definition at line 94 of file MemRegion.h.
Definition at line 96 of file MemRegion.h.
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inlineprotected |
Definition at line 107 of file MemRegion.h.
References dump().
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protectedvirtualdefault |
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virtual |
Returns true if this region can be printed in a user-friendly way.
Reimplemented in clang::ento::FieldRegion.
Definition at line 565 of file MemRegion.cpp.
Referenced by showBRDefaultDiagnostics(), showBRDiagnostics(), and showBRParamDiagnostics().
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virtual |
Returns true if this region's textual representation can be used as part of a larger expression.
Reimplemented in clang::ento::CXXBaseObjectRegion, clang::ento::ObjCIvarRegion, clang::ento::FieldRegion, and clang::ento::VarRegion.
Definition at line 569 of file MemRegion.cpp.
Referenced by clang::ento::FieldRegion::canPrintPrettyAsExpr(), clang::ento::CXXBaseObjectRegion::canPrintPrettyAsExpr(), and getDescriptiveName().
LLVM_DUMP_METHOD void MemRegion::dump | ( | ) | const |
Definition at line 428 of file MemRegion.cpp.
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virtual |
Reimplemented in clang::ento::CXXBaseObjectRegion, clang::ento::CXXTempObjectRegion, clang::ento::ElementRegion, clang::ento::ObjCIvarRegion, clang::ento::FieldRegion, clang::ento::CXXThisRegion, clang::ento::VarRegion, clang::ento::CompoundLiteralRegion, clang::ento::ObjCStringRegion, clang::ento::StringRegion, clang::ento::SymbolicRegion, clang::ento::BlockDataRegion, clang::ento::BlockCodeRegion, clang::ento::FunctionCodeRegion, clang::ento::AllocaRegion, clang::ento::StackArgumentsSpaceRegion, clang::ento::StackLocalsSpaceRegion, clang::ento::UnknownSpaceRegion, clang::ento::HeapSpaceRegion, clang::ento::GlobalInternalSpaceRegion, clang::ento::GlobalImmutableSpaceRegion, clang::ento::GlobalSystemSpaceRegion, clang::ento::StaticGlobalSpaceRegion, and clang::ento::CodeSpaceRegion.
Definition at line 439 of file MemRegion.cpp.
Referenced by clang::ento::operator<<().
const RegionTy * clang::ento::MemRegion::getAs | ( | ) | const |
Definition at line 1180 of file MemRegion.h.
Referenced by clang::ento::mpi::MPIChecker::checkMissingWaits(), GetAllocationSite(), clang::ento::SVal::getAsFunctionDecl(), getDescriptiveName(), getNullConstraint(), and parameterTypeFromSVal().
RegionOffset MemRegion::getAsOffset | ( | ) | const |
Compute the offset within the top level memory object.
Definition at line 1449 of file MemRegion.cpp.
References calculateOffset(), distance(), clang::ento::MemRegionManager::getAllocator(), clang::ento::MemRegionManager::getCodeRegion(), clang::ento::BlockCodeRegion::getDecl(), clang::AnalysisDeclContext::getReferencedBlockVars(), clang::ento::MemRegionManager::getUnknownRegion(), clang::ento::MemRegionManager::getVarRegion(), clang::Decl::hasAttr(), and clang::VarDecl::hasLocalStorage().
const MemRegion * MemRegion::getBaseRegion | ( | ) | const |
Definition at line 1125 of file MemRegion.cpp.
References getKind().
Referenced by clang::ento::ProgramState::addPartialTaint(), GetAllocationSite(), getExistingLazyBinding(), clang::CXXInstanceCall::getExtraInvalidatedValues(), clang::ento::BugReport::isInteresting(), isRecordEmpty(), clang::ento::BugReport::markInteresting(), clang::ento::ExprEngine::ProcessAutomaticObjDtor(), and clang::ento::ScanReachableSymbols::scan().
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inline |
Definition at line 1375 of file MemRegion.h.
Referenced by clang::ento::MemRegionManager::getElementRegionWithSuper().
Get descriptive name for memory region.
The name is obtained from the variable/field declaration retrieved from the memory region. Regions that point to an element of an array are returned as: "arr[0]". Regions that point to a struct are returned as: "st.var".
UseQuotes | Set if the name should be quoted. |
Definition at line 632 of file MemRegion.cpp.
References canPrintPrettyAsExpr(), clang::ento::SVal::getAs(), getAs(), getDescriptiveName(), clang::ento::ElementRegion::getIndex(), clang::ento::SubRegion::getSuperRegion(), and printPrettyAsExpr().
Referenced by getDescriptiveName(), clang::ento::mpi::MPIBugReporter::reportDoubleNonblocking(), clang::ento::mpi::MPIBugReporter::reportMissingWait(), and clang::ento::mpi::MPIBugReporter::reportUnmatchedWait().
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inline |
Definition at line 165 of file MemRegion.h.
Referenced by addValue(), calculateOffset(), clang::ento::StoreManager::castRegion(), clang::ento::MemSpaceRegion::classof(), clang::ento::CodeSpaceRegion::classof(), clang::ento::GlobalsSpaceRegion::classof(), clang::ento::StaticGlobalSpaceRegion::classof(), clang::ento::NonStaticGlobalSpaceRegion::classof(), clang::ento::GlobalSystemSpaceRegion::classof(), clang::ento::GlobalImmutableSpaceRegion::classof(), clang::ento::GlobalInternalSpaceRegion::classof(), clang::ento::HeapSpaceRegion::classof(), clang::ento::UnknownSpaceRegion::classof(), clang::ento::StackSpaceRegion::classof(), clang::ento::StackLocalsSpaceRegion::classof(), clang::ento::StackArgumentsSpaceRegion::classof(), clang::ento::SubRegion::classof(), clang::ento::AllocaRegion::classof(), clang::ento::TypedRegion::classof(), clang::ento::TypedValueRegion::classof(), clang::ento::CodeTextRegion::classof(), clang::ento::FunctionCodeRegion::classof(), clang::ento::BlockCodeRegion::classof(), clang::ento::BlockDataRegion::classof(), clang::ento::SymbolicRegion::classof(), clang::ento::StringRegion::classof(), clang::ento::ObjCStringRegion::classof(), clang::ento::CompoundLiteralRegion::classof(), clang::ento::DeclRegion::classof(), clang::ento::VarRegion::classof(), clang::ento::CXXThisRegion::classof(), clang::ento::FieldRegion::classof(), clang::ento::ObjCIvarRegion::classof(), clang::ento::ElementRegion::classof(), clang::ento::CXXTempObjectRegion::classof(), clang::ento::CXXBaseObjectRegion::classof(), computeExtentBegin(), getBaseRegion(), StripCasts(), and clang::ento::MemRegionVisitor< SValExplainer, std::string >::Visit().
const MemSpaceRegion * MemRegion::getMemorySpace | ( | ) | const |
Definition at line 1093 of file MemRegion.cpp.
Referenced by computeExtentBegin(), getExistingLazyBinding(), isInitializationOfVar(), and clang::ento::SValExplainer::VisitSymbolicRegion().
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pure virtual |
Implemented in clang::ento::SubRegion, and clang::ento::MemSpaceRegion.
Referenced by clang::ento::mpi::MPIChecker::checkMissingWaits(), and clang::ento::SubRegion::getMemRegionManager().
std::string MemRegion::getString | ( | ) | const |
Get a string representation of a region for debug use.
Definition at line 432 of file MemRegion.cpp.
Referenced by clang::ento::SValExplainer::VisitStringRegion().
const SymbolicRegion * MemRegion::getSymbolicBase | ( | ) | const |
If this is a symbolic region, returns the region.
Otherwise, goes up the base chain looking for the first symbolic base region.
Definition at line 1173 of file MemRegion.cpp.
Referenced by clang::ento::SVal::getAsLocSymbol().
bool MemRegion::hasGlobalsOrParametersStorage | ( | ) | const |
Definition at line 1117 of file MemRegion.cpp.
bool MemRegion::hasStackNonParametersStorage | ( | ) | const |
Definition at line 1109 of file MemRegion.cpp.
Referenced by getExistingLazyBinding().
bool MemRegion::hasStackParametersStorage | ( | ) | const |
Definition at line 1113 of file MemRegion.cpp.
bool MemRegion::hasStackStorage | ( | ) | const |
Definition at line 1105 of file MemRegion.cpp.
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inlinevirtual |
Reimplemented in clang::ento::CompoundLiteralRegion, clang::ento::ObjCStringRegion, clang::ento::StringRegion, clang::ento::SymbolicRegion, clang::ento::CodeTextRegion, clang::ento::TypedRegion, clang::ento::AllocaRegion, and clang::ento::MemSpaceRegion.
Definition at line 169 of file MemRegion.h.
Referenced by clang::ento::StoreManager::castRegion(), clang::ento::ProgramState::getSValAsScalarOrLoc(), showBRDefaultDiagnostics(), and showBRDiagnostics().
Check if the region is a subregion of the given region.
Each region is a subregion of itself.
Reimplemented in clang::ento::SubRegion.
Definition at line 1143 of file MemRegion.cpp.
Referenced by clang::ento::UndefOrNullArgVisitor::VisitNode().
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Print the region for use in diagnostics.
Reimplemented in clang::ento::FieldRegion.
Definition at line 573 of file MemRegion.cpp.
Referenced by showBRDefaultDiagnostics(), showBRDiagnostics(), and showBRParamDiagnostics().
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virtual |
Print the region as expression.
When this region represents a subexpression, the method is for printing an expression containing it.
Reimplemented in clang::ento::CXXBaseObjectRegion, clang::ento::ObjCIvarRegion, clang::ento::FieldRegion, and clang::ento::VarRegion.
Definition at line 580 of file MemRegion.cpp.
Referenced by getDescriptiveName(), clang::ento::FieldRegion::printPrettyAsExpr(), and clang::ento::CXXBaseObjectRegion::printPrettyAsExpr().
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pure virtual |
Implemented in clang::ento::CXXBaseObjectRegion, clang::ento::CXXTempObjectRegion, clang::ento::ElementRegion, clang::ento::CXXThisRegion, clang::ento::VarRegion, clang::ento::DeclRegion, clang::ento::CompoundLiteralRegion, clang::ento::ObjCStringRegion, clang::ento::StringRegion, clang::ento::SymbolicRegion, clang::ento::BlockDataRegion, clang::ento::BlockCodeRegion, clang::ento::FunctionCodeRegion, clang::ento::AllocaRegion, clang::ento::StackSpaceRegion, clang::ento::StaticGlobalSpaceRegion, and clang::ento::MemSpaceRegion.
SourceRange MemRegion::sourceRange | ( | ) | const |
Retrieve source range from memory region.
The range retrieval is based on the decl obtained from the memory region. For a VarRegion the range of the base region is returned. For a FieldRegion the range of the field is returned. If no declaration is found, an empty source range is returned. The client is responsible for checking if the returned range is valid.
Definition at line 671 of file MemRegion.cpp.
References clang::ento::FieldRegion::getDecl(), and clang::FieldDecl::getSourceRange().
Referenced by clang::ento::mpi::MPIBugReporter::reportDoubleNonblocking(), clang::ento::mpi::MPIBugReporter::reportMissingWait(), and clang::ento::mpi::MPIBugReporter::reportUnmatchedWait().
Definition at line 1151 of file MemRegion.cpp.
References getKind().
Referenced by clang::ento::StoreManager::castRegion(), clang::ento::SVal::getAsLocSymbol(), clang::ento::getDynamicTypeInfo(), clang::ento::StoreManager::getLValueElement(), clang::CXXInstanceCall::getRuntimeDefinition(), clang::ento::setDynamicTypeInfo(), clang::ento::loc::MemRegionVal::stripCasts(), and clang::ento::UndefOrNullArgVisitor::VisitNode().