Package de.fraunhofer.aisec.cpg.graph.types

Class ReferenceType

java.lang.Object

de.fraunhofer.aisec.cpg.graph.Node

de.fraunhofer.aisec.cpg.graph.types.Type

de.fraunhofer.aisec.cpg.graph.types.ReferenceType

All Implemented Interfaces:

Persistable, SecondOrderType, IVisitable<de.fraunhofer.aisec.cpg.graph.Node>

public class ReferenceType
extends Type
implements SecondOrderType

ReferenceTypes describe CPP References (int&), which are represent an alternative name for a variable. It is necessary to make this distinction, and not just rely on the original type as it is required for matching parameters in function arguments to discover which implementation is called.

Nested Class Summary

Nested classes/interfaces inherited from class de.fraunhofer.aisec.cpg.graph.types.Type

Type.Origin, Type.Qualifier, Type.Storage

Nested classes/interfaces inherited from class de.fraunhofer.aisec.cpg.graph.Node

de.fraunhofer.aisec.cpg.graph.Node.Companion

Field Summary

Fields inherited from class de.fraunhofer.aisec.cpg.graph.types.Type

origin, primitive, qualifier, storage, superTypes, UNKNOWN_TYPE_STRING

Fields inherited from class de.fraunhofer.aisec.cpg.graph.Node

Companion, EMPTY_NAME, TO_STRING_STYLE

Constructor Summary

Constructors

Constructor	Description
ReferenceType(Type reference)
ReferenceType(Type.Storage storage, Type.Qualifier qualifier, Type reference)
ReferenceType(Type type, Type reference)

Method Summary

Modifier and Type	Method	Description
Type	dereference()
Type	duplicate()
boolean	equals(java.lang.Object o)
Type	getElementType()
int	hashCode()
boolean	isSimilar(Type t)	Required for possibleSubTypes to check if the new Type should be considered a subtype or not
Type	reference(PointerType.PointerOrigin pointerOrigin)
void	refreshName()
void	setElementType(Type reference)
java.lang.String	toString()

Methods inherited from class de.fraunhofer.aisec.cpg.graph.types.Type

getQualifier, getReferenceDepth, getRoot, getStorage, getSuperTypes, getTypeName, getTypeOrigin, isFirstOrderType, isPrimitive, refreshNames, setAdditionalTypeKeywords, setQualifier, setRoot, setStorage, setTypeOrigin

Methods inherited from class de.fraunhofer.aisec.cpg.graph.Node

addAnnotations, addNextDFG, addNextEOG, addPrevDFG, addPrevEOG, addTypedef, clearNextEOG, disconnectFromGraph, getAnnotations, getArgumentIndex, getAstChildren, getCode, getComment, getFile, getId, getLocation, getName, getNextDFG, getNextEOG, getNextEOGEdges, getPrevDFG, getPrevEOG, getPrevEOGEdges, getTypedefs, isImplicit, isInferred, removeNextDFG, removePrevDFG, removePrevEOGEntry, setAnnotations, setArgumentIndex, setCode, setComment, setFile, setId, setImplicit, setInferred, setLocation, setName, setNextDFG, setNextEOG, setNextEOGEdges, setPrevDFG, setPrevEOG, setPrevEOGEdges, setTypedefs

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.fraunhofer.aisec.cpg.processing.IVisitable

accept

Constructor Details

ReferenceType

public ReferenceType(Type reference)

ReferenceType

public ReferenceType(Type type,
Type reference)

ReferenceType

public ReferenceType(Type.Storage storage,
Type.Qualifier qualifier,
Type reference)

Method Details

reference

public Type reference(PointerType.PointerOrigin pointerOrigin)

Specified by:

reference in class Type

Parameters:

pointerOrigin - Reason for the reference (array of pointer)

Returns:

Referencing a ReferenceType results in a PointerType to the original ReferenceType

dereference

public Type dereference()

Specified by:

dereference in class Type

Returns:

Dereferencing a ReferenceType equals to dereferencing the original (non-reference) type

duplicate

public Type duplicate()

Specified by:

duplicate in class Type

Returns:

Creates an exact copy of the current type (chain)

getElementType

public Type getElementType()

Specified by:

getElementType in interface SecondOrderType

setElementType

public void setElementType(Type reference)

Specified by:

setElementType in interface SecondOrderType

isSimilar

public boolean isSimilar(Type t)

Description copied from class: Type

Required for possibleSubTypes to check if the new Type should be considered a subtype or not

Overrides:

isSimilar in class Type

Parameters:

t - other type the similarity is checked with

Returns:

True if the parameter t is equal to the current type (this)

refreshName

public void refreshName()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class Type

hashCode

public int hashCode()

Overrides:

hashCode in class Type

toString

public java.lang.String toString()

Overrides:

toString in class Type