Package org.codehaus.groovy.ast.expr
Class ConstantExpression
java.lang.Object
org.codehaus.groovy.ast.ASTNode
org.codehaus.groovy.ast.AnnotatedNode
org.codehaus.groovy.ast.expr.Expression
org.codehaus.groovy.ast.expr.ConstantExpression
- All Implemented Interfaces:
GroovydocHolder<AnnotatedNode>,NodeMetaDataHandler
- Direct Known Subclasses:
AnnotationConstantExpression
public class ConstantExpression extends Expression
Represents a constant expression such as null, true, false.
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Field Summary
Fields Modifier and Type Field Description static ConstantExpressionEMPTY_EXPRESSIONstatic ConstantExpressionEMPTY_STRINGstatic ConstantExpressionFALSEstatic ConstantExpressionNULLstatic ConstantExpressionPRIM_FALSEstatic ConstantExpressionPRIM_TRUEstatic ConstantExpressionTRUEstatic ConstantExpressionVOIDFields inherited from class org.codehaus.groovy.ast.expr.Expression
EMPTY_ARRAYFields inherited from interface groovy.lang.groovydoc.GroovydocHolder
DOC_COMMENT -
Constructor Summary
Constructors Constructor Description ConstantExpression(java.lang.Object value)ConstantExpression(java.lang.Object value, boolean keepPrimitive) -
Method Summary
Modifier and Type Method Description java.lang.StringgetConstantName()java.lang.StringgetText()java.lang.ObjectgetValue()booleanisEmptyStringExpression()booleanisFalseExpression()booleanisNullExpression()booleanisTrueExpression()voidsetConstantName(java.lang.String constantName)java.lang.StringtoString()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.Expression
getType, setType, transformExpressions, transformExpressionsMethods inherited from class org.codehaus.groovy.ast.AnnotatedNode
addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSyntheticMethods inherited from class org.codehaus.groovy.ast.ASTNode
copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePositionMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitMethods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandler
copyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, putNodeMetaData, removeNodeMetaData, setNodeMetaData
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Field Details
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NULL
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TRUE
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FALSE
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EMPTY_STRING
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PRIM_TRUE
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PRIM_FALSE
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VOID
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EMPTY_EXPRESSION
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Constructor Details
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ConstantExpression
public ConstantExpression(java.lang.Object value) -
ConstantExpression
public ConstantExpression(java.lang.Object value, boolean keepPrimitive)
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Method Details
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toString
public java.lang.String toString()- Overrides:
toStringin classjava.lang.Object
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visit
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transformExpression
Description copied from class:ExpressionReturn a copy of the expression calling the transformer on any nested expressions- Specified by:
transformExpressionin classExpression
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getValue
public java.lang.Object getValue()- Returns:
- the value of this constant expression
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getText
public java.lang.String getText() -
getConstantName
public java.lang.String getConstantName() -
setConstantName
public void setConstantName(java.lang.String constantName) -
isNullExpression
public boolean isNullExpression() -
isTrueExpression
public boolean isTrueExpression() -
isFalseExpression
public boolean isFalseExpression() -
isEmptyStringExpression
public boolean isEmptyStringExpression()
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