Package org.codehaus.groovy.ast.expr
Class EmptyExpression
- java.lang.Object
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- org.codehaus.groovy.ast.ASTNode
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- org.codehaus.groovy.ast.AnnotatedNode
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- org.codehaus.groovy.ast.expr.Expression
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- org.codehaus.groovy.ast.expr.EmptyExpression
 
 
 
 
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- All Implemented Interfaces:
- GroovydocHolder<AnnotatedNode>,- NodeMetaDataHandler
 
 public class EmptyExpression extends Expression Placeholder for an empty expression. Empty expressions are used in closures lists like (;). During class generation empty expressions should be ignored or replaced with a null value.- See Also:
- EmptyStatement
 
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Field SummaryFields Modifier and Type Field Description static EmptyExpressionINSTANCEImmutable singleton that is recommended for use when source range or any other occurrence-specific metadata is not needed.- 
Fields inherited from class org.codehaus.groovy.ast.expr.ExpressionEMPTY_ARRAY
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Fields inherited from interface groovy.lang.groovydoc.GroovydocHolderDOC_COMMENT
 
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Constructor SummaryConstructors Constructor Description EmptyExpression()
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description ExpressiontransformExpression(ExpressionTransformer transformer)Return a copy of the expression calling the transformer on any nested expressionsvoidvisit(GroovyCodeVisitor visitor)- 
Methods inherited from class org.codehaus.groovy.ast.expr.ExpressiongetType, setType, transformExpressions, transformExpressions
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Methods inherited from class org.codehaus.groovy.ast.AnnotatedNodeaddAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic
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Methods inherited from class org.codehaus.groovy.ast.ASTNodecopyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, getText, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition
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Methods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandlercopyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, putNodeMetaData, removeNodeMetaData, setNodeMetaData
 
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Field Detail- 
INSTANCEpublic static final EmptyExpression INSTANCE Immutable singleton that is recommended for use when source range or any other occurrence-specific metadata is not needed.
 
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Constructor Detail- 
EmptyExpressionpublic EmptyExpression() - See Also:
- INSTANCE
 
 
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Method Detail- 
transformExpressionpublic Expression transformExpression(ExpressionTransformer transformer) Description copied from class:ExpressionReturn a copy of the expression calling the transformer on any nested expressions- Specified by:
- transformExpressionin class- Expression
 
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visitpublic void visit(GroovyCodeVisitor visitor) 
 
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