Package org.codehaus.groovy.ast.expr
Class ConstantExpression
- 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.ConstantExpression
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- 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 ConstantExpressionVOID-
Fields inherited from class org.codehaus.groovy.ast.expr.Expression
EMPTY_ARRAY
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Fields inherited from interface groovy.lang.groovydoc.GroovydocHolder
DOC_COMMENT
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Constructor Summary
Constructors Constructor Description ConstantExpression(Object value)ConstantExpression(Object value, boolean keepPrimitive)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description StringgetConstantName()StringgetText()ObjectgetValue()booleanisEmptyStringExpression()booleanisFalseExpression()booleanisNullExpression()booleanisTrueExpression()voidsetConstantName(String constantName)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, transformExpressions
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Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode
addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic
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Methods inherited from class org.codehaus.groovy.ast.ASTNode
copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandler
copyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, putNodeMetaData, removeNodeMetaData, setNodeMetaData
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Field Detail
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NULL
public static final ConstantExpression NULL
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TRUE
public static final ConstantExpression TRUE
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FALSE
public static final ConstantExpression FALSE
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EMPTY_STRING
public static final ConstantExpression EMPTY_STRING
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PRIM_TRUE
public static final ConstantExpression PRIM_TRUE
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PRIM_FALSE
public static final ConstantExpression PRIM_FALSE
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VOID
public static final ConstantExpression VOID
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EMPTY_EXPRESSION
public static final ConstantExpression EMPTY_EXPRESSION
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Method Detail
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visit
public void visit(GroovyCodeVisitor visitor)
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transformExpression
public Expression transformExpression(ExpressionTransformer transformer)
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 Object getValue()
- Returns:
- the value of this constant expression
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getConstantName
public String getConstantName()
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setConstantName
public void setConstantName(String constantName)
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isNullExpression
public boolean isNullExpression()
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isTrueExpression
public boolean isTrueExpression()
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isFalseExpression
public boolean isFalseExpression()
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isEmptyStringExpression
public boolean isEmptyStringExpression()
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