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clang::ento::SimpleFunctionCall Class Reference

Represents a C function or static C++ member function call. More...

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

Inheritance diagram for clang::ento::SimpleFunctionCall:
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Collaboration diagram for clang::ento::SimpleFunctionCall:
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Public Member Functions

virtual const CallExprgetOriginExpr () const
 
const FunctionDeclgetDecl () const override
 Returns the declaration of the function or method that will be called. More...
 
unsigned getNumArgs () const override
 Returns the number of arguments (explicit and implicit). More...
 
const ExprgetArgExpr (unsigned Index) const override
 Returns the expression associated with a given argument. More...
 
Kind getKind () const override
 Returns the kind of call this is. More...
 
- Public Member Functions inherited from clang::ento::AnyFunctionCall
RuntimeDefinition getRuntimeDefinition () const override
 Returns the definition of the function or method that will be called. More...
 
bool argumentsMayEscape () const override
 Returns true if any of the arguments are known to escape to long- term storage, even if this method will not modify them. More...
 
void getInitialStackFrameContents (const StackFrameContext *CalleeCtx, BindingsTy &Bindings) const override
 Populates the given SmallVector with the bindings in the callee's stack frame at the start of this call. More...
 
ArrayRef< ParmVarDecl * > parameters () const override
 Return call's formal parameters. More...
 
- Public Member Functions inherited from clang::ento::CallEvent
CallEventoperator= (const CallEvent &)=delete
 
virtual ~CallEvent ()=default
 
const ProgramStateRefgetState () const
 The state in which the call is being evaluated. More...
 
const LocationContextgetLocationContext () const
 The context in which the call is being evaluated. More...
 
const ExprgetOriginExpr () const
 Returns the expression whose value will be the result of this call. More...
 
bool isInSystemHeader () const
 Returns true if the callee is known to be from a system header. More...
 
bool isCalled (const CallDescription &CD) const
 Returns true if the CallEvent is a call to a function that matches the CallDescription. More...
 
virtual SourceRange getSourceRange () const
 Returns a source range for the entire call, suitable for outputting in diagnostics. More...
 
virtual SVal getArgSVal (unsigned Index) const
 Returns the value of a given argument at the time of the call. More...
 
virtual SourceRange getArgSourceRange (unsigned Index) const
 Returns the source range for errors associated with this argument. More...
 
QualType getResultType () const
 Returns the result type, adjusted for references. More...
 
SVal getReturnValue () const
 Returns the return value of the call. More...
 
bool hasNonNullArgumentsWithType (bool(*Condition)(QualType)) const
 Returns true if the type of any of the non-null arguments satisfies the condition. More...
 
bool hasNonZeroCallbackArg () const
 Returns true if any of the arguments appear to represent callbacks. More...
 
bool hasVoidPointerToNonConstArg () const
 Returns true if any of the arguments is void*. More...
 
bool isGlobalCFunction (StringRef SpecificName=StringRef()) const
 Returns true if the callee is an externally-visible function in the top-level namespace, such as malloc. More...
 
const IdentifierInfogetCalleeIdentifier () const
 Returns the name of the callee, if its name is a simple identifier. More...
 
ProgramPoint getProgramPoint (bool IsPreVisit=false, const ProgramPointTag *Tag=nullptr) const
 Returns an appropriate ProgramPoint for this call. More...
 
ProgramStateRef invalidateRegions (unsigned BlockCount, ProgramStateRef Orig=nullptr) const
 Returns a new state with all argument regions invalidated. More...
 
template<typename T >
CallEventRef< T > cloneWithState (ProgramStateRef NewState) const
 Returns a copy of this CallEvent, but using the given state. More...
 
CallEventRef cloneWithState (ProgramStateRef NewState) const
 Returns a copy of this CallEvent, but using the given state. More...
 
AnalysisDeclContextgetCalleeAnalysisDeclContext () const
 Returns AnalysisDeclContext for the callee stack frame. More...
 
const StackFrameContextgetCalleeStackFrame () const
 Returns the callee stack frame. More...
 
const VarRegiongetParameterLocation (unsigned Index) const
 Returns memory location for a parameter variable within the callee stack frame. More...
 
bool isArgumentConstructedDirectly (unsigned Index) const
 Returns true if on the current path, the argument was constructed by calling a C++ constructor over it. More...
 
virtual Optional< unsigned > getAdjustedParameterIndex (unsigned ASTArgumentIndex) const
 Some calls have parameter numbering mismatched from argument numbering. More...
 
virtual unsigned getASTArgumentIndex (unsigned CallArgumentIndex) const
 Some call event sub-classes conveniently adjust mismatching AST indices to match parameter indices. More...
 
param_type_iterator param_type_begin () const
 Returns an iterator over the types of the call's formal parameters. More...
 
param_type_iterator param_type_end () const
 
void dump (raw_ostream &Out) const
 
void dump () const
 
template<typename T >
CallEventRef< T > cloneWithState (ProgramStateRef NewState) const
 

Static Public Member Functions

static bool classof (const CallEvent *CA)
 
- Static Public Member Functions inherited from clang::ento::AnyFunctionCall
static bool classof (const CallEvent *CA)
 
- Static Public Member Functions inherited from clang::ento::CallEvent
static bool isCallStmt (const Stmt *S)
 Returns true if this is a statement is a function or method call of some kind. More...
 
static QualType getDeclaredResultType (const Decl *D)
 Returns the result type of a function or method declaration. More...
 
static bool isVariadic (const Decl *D)
 Returns true if the given decl is known to be variadic. More...
 

Protected Member Functions

 SimpleFunctionCall (const CallExpr *CE, ProgramStateRef St, const LocationContext *LCtx)
 
 SimpleFunctionCall (const SimpleFunctionCall &Other)=default
 
void cloneTo (void *Dest) const override
 Copies this CallEvent, with vtable intact, into a new block of memory. More...
 
- Protected Member Functions inherited from clang::ento::AnyFunctionCall
 AnyFunctionCall (const Expr *E, ProgramStateRef St, const LocationContext *LCtx)
 
 AnyFunctionCall (const Decl *D, ProgramStateRef St, const LocationContext *LCtx)
 
 AnyFunctionCall (const AnyFunctionCall &Other)=default
 
- Protected Member Functions inherited from clang::ento::CallEvent
 CallEvent (const Expr *E, ProgramStateRef state, const LocationContext *lctx)
 
 CallEvent (const Decl *D, ProgramStateRef state, const LocationContext *lctx)
 
 CallEvent (const CallEvent &Original)
 
SVal getSVal (const Stmt *S) const
 Get the value of arbitrary expressions at this point in the path. More...
 
virtual void getExtraInvalidatedValues (ValueList &Values, RegionAndSymbolInvalidationTraits *ETraits) const
 Used to specify non-argument regions that will be invalidated as a result of this call. More...
 

Friends

class CallEventManager
 

Additional Inherited Members

- Public Types inherited from clang::ento::CallEvent
using Kind = CallEventKind
 
using FrameBindingTy = std::pair< Loc, SVal >
 
using BindingsTy = SmallVectorImpl< FrameBindingTy >
 
using param_type_iterator = llvm::mapped_iterator< ArrayRef< ParmVarDecl * >::iterator, GetTypeFn >
 
- Protected Types inherited from clang::ento::CallEvent
using ValueList = SmallVectorImpl< SVal >
 
- Protected Attributes inherited from clang::ento::CallEvent
const void * Data
 
SourceLocation Location
 

Detailed Description

Represents a C function or static C++ member function call.

Example: fun()

Definition at line 528 of file CallEvent.h.

Constructor & Destructor Documentation

◆ SimpleFunctionCall() [1/2]

clang::ento::SimpleFunctionCall::SimpleFunctionCall ( const CallExpr CE,
ProgramStateRef  St,
const LocationContext LCtx 
)
inlineprotected

Definition at line 532 of file CallEvent.h.

◆ SimpleFunctionCall() [2/2]

clang::ento::SimpleFunctionCall::SimpleFunctionCall ( const SimpleFunctionCall Other)
protecteddefault

Member Function Documentation

◆ classof()

static bool clang::ento::SimpleFunctionCall::classof ( const CallEvent CA)
inlinestatic

Definition at line 556 of file CallEvent.h.

References clang::ento::CE_Function, and clang::ento::CallEvent::getKind().

◆ cloneTo()

void clang::ento::SimpleFunctionCall::cloneTo ( void *  Dest) const
inlineoverrideprotectedvirtual

Copies this CallEvent, with vtable intact, into a new block of memory.

Implements clang::ento::CallEvent.

Definition at line 537 of file CallEvent.h.

◆ getArgExpr()

const Expr* clang::ento::SimpleFunctionCall::getArgExpr ( unsigned  Index) const
inlineoverridevirtual

Returns the expression associated with a given argument.

May be null if this expression does not appear in the source.

Reimplemented from clang::ento::CallEvent.

Definition at line 550 of file CallEvent.h.

◆ getDecl()

const FunctionDecl * SimpleFunctionCall::getDecl ( ) const
overridevirtual

Returns the declaration of the function or method that will be called.

May be null.

Reimplemented from clang::ento::AnyFunctionCall.

Definition at line 646 of file CallEvent.cpp.

References clang::ento::SVal::getAsFunctionDecl(), clang::ento::CallEvent::getOriginExpr(), and clang::ento::CallEvent::getSVal().

◆ getKind()

Kind clang::ento::SimpleFunctionCall::getKind ( ) const
inlineoverridevirtual

Returns the kind of call this is.

Implements clang::ento::CallEvent.

Definition at line 554 of file CallEvent.h.

References clang::ento::CE_Function.

◆ getNumArgs()

unsigned clang::ento::SimpleFunctionCall::getNumArgs ( ) const
inlineoverridevirtual

Returns the number of arguments (explicit and implicit).

Note that this may be greater than the number of parameters in the callee's declaration, and that it may include arguments not written in the source.

Implements clang::ento::CallEvent.

Definition at line 548 of file CallEvent.h.

◆ getOriginExpr()

virtual const CallExpr* clang::ento::SimpleFunctionCall::getOriginExpr ( ) const
inlinevirtual

Definition at line 542 of file CallEvent.h.

References clang::ento::CallEvent::getOriginExpr().

Friends And Related Function Documentation

◆ CallEventManager

friend class CallEventManager
friend

Definition at line 529 of file CallEvent.h.


The documentation for this class was generated from the following files: