org.codehaus.groovy.ast.expr

Class EmptyExpression

java.lang.Object

org.codehaus.groovy.ast.ASTNode

org.codehaus.groovy.ast.AnnotatedNode

org.codehaus.groovy.ast.expr.Expression

org.codehaus.groovy.ast.expr.EmptyExpression

public class EmptyExpression
extends Expression

This class is a place holder for an empty expression. Empty expression are used in closures lists like (;). During class Generation this expression should be either ignored or replace with a null value.

Author:

Jochen Theodorou

See Also:

EmptyStatement

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyExpression	INSTANCE

Constructor Summary

Constructors

Constructor and Description
EmptyExpression()

Method Summary

Methods

Modifier and Type	Method and Description
Expression	transformExpression(ExpressionTransformer transformer) Return a copy of the expression calling the transformer on any nested expressions
void	visit(GroovyCodeVisitor visitor)

Methods inherited from class org.codehaus.groovy.ast.expr.Expression

getType, setType, transformExpressions, transformExpressions

Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode

addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic

Methods inherited from class org.codehaus.groovy.ast.ASTNode

copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getNodeMetaData, getNodeMetaData, getText, putNodeMetaData, removeNodeMetaData, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setNodeMetaData, setSourcePosition

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final EmptyExpression INSTANCE

Constructor Detail

EmptyExpression

public EmptyExpression()

Method Detail

transformExpression

public Expression transformExpression(ExpressionTransformer transformer)

Description copied from class: Expression

Return a copy of the expression calling the transformer on any nested expressions

Specified by:

transformExpression in class Expression

visit

public void visit(GroovyCodeVisitor visitor)

Overrides:

visit in class ASTNode