de.uka.ilkd.key.java.expression.literal

Class NullLiteral

java.lang.Object

de.uka.ilkd.key.java.JavaSourceElement

de.uka.ilkd.key.java.JavaProgramElement

de.uka.ilkd.key.java.expression.Literal

de.uka.ilkd.key.java.expression.literal.NullLiteral

All Implemented Interfaces:

Expression, ModelElement, ProgramElement, SourceElement, TerminalProgramElement, SVSubstitute

public class NullLiteral
extends Literal

Null literal. Is used as singleton.

Field Summary

Fields

Modifier and Type	Field and Description
static NullLiteral	NULL

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NullLiteral() Constructor for the transformation of COMPOST ASTs to KeY.

Method Summary

Modifier and Type	Method and Description
KeYJavaType	getKeYJavaType(Services javaServ) retrieves the literal's type
Name	getLDTName()
void	prettyPrint(PrettyPrinter p) Pretty printing the source element.
void	visit(Visitor v) calls the corresponding method of a visitor in order to perform some action/transformation on this element

Methods inherited from class de.uka.ilkd.key.java.expression.Literal

getKeYJavaType, match

Methods inherited from class de.uka.ilkd.key.java.JavaProgramElement

computeHashCode, equals, equalsModRenaming, getComments, hashCode, prettyPrintMain, reuseSignature

Methods inherited from class de.uka.ilkd.key.java.JavaSourceElement

getEndPosition, getFirstElement, getFirstElementIncludingBlocks, getLastElement, getParentClass, getPositionInfo, getRelativePosition, getStartPosition, setParentClass, toSource, toString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.uka.ilkd.key.java.ProgramElement

getComments

Methods inherited from interface de.uka.ilkd.key.java.SourceElement

equalsModRenaming, getEndPosition, getFirstElement, getFirstElementIncludingBlocks, getLastElement, getPositionInfo, getRelativePosition, getStartPosition

Field Detail

NULL

public static final NullLiteral NULL

Constructor Detail

NullLiteral

private NullLiteral()

Constructor for the transformation of COMPOST ASTs to KeY.

Method Detail

visit

public void visit(Visitor v)

calls the corresponding method of a visitor in order to perform some action/transformation on this element

Parameters:

v - the Visitor

prettyPrint

public void prettyPrint(PrettyPrinter p)
                 throws java.io.IOException

Description copied from class: JavaSourceElement

Pretty printing the source element.

Specified by:

prettyPrint in interface SourceElement

Overrides:

prettyPrint in class JavaProgramElement

Parameters:

p - a pretty printer.

Throws:

java.io.IOException - occasionally thrown.

getKeYJavaType

public KeYJavaType getKeYJavaType(Services javaServ)

Description copied from class: Literal

retrieves the literal's type

Specified by:

getKeYJavaType in class Literal

Parameters:

javaServ - the Services offering access to the Java model

Returns:

the literal's type

getLDTName

public Name getLDTName()

Specified by:

getLDTName in class Literal