org.codehaus.groovy.ast.expr
Class ConstantExpression

java.lang.Object
  extended byorg.codehaus.groovy.ast.ASTNode
      extended byorg.codehaus.groovy.ast.expr.Expression
          extended byorg.codehaus.groovy.ast.expr.ConstantExpression

public class ConstantExpression
extends Expression

Represents a constant expression such as null, true, false

Version:
$Revision: 3264 $
Author:
James Strachan

Field Summary
static ConstantExpression EMPTY_STRING
           
static ConstantExpression EMTPY_EXPRESSION
           
static ConstantExpression FALSE
           
static ConstantExpression NULL
           
static ConstantExpression TRUE
           
static ConstantExpression VOID
           
 
Constructor Summary
ConstantExpression(Object value)
           
 
Method Summary
 String getText()
           
 Object getValue()
           
 String toString()
           
 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
 
Methods inherited from class org.codehaus.groovy.ast.ASTNode
getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setSourcePosition
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

VOID

public static final ConstantExpression VOID

NULL

public static final ConstantExpression NULL

TRUE

public static final ConstantExpression TRUE

FALSE

public static final ConstantExpression FALSE

EMPTY_STRING

public static final ConstantExpression EMPTY_STRING

EMTPY_EXPRESSION

public static final ConstantExpression EMTPY_EXPRESSION
Constructor Detail

ConstantExpression

public ConstantExpression(Object value)
Method Detail

toString

public String toString()

visit

public void visit(GroovyCodeVisitor visitor)
Overrides:
visit in class ASTNode

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
Parameters:
transformer -

getValue

public Object getValue()
Returns:
the value of this constant expression

getText

public String getText()
Overrides:
getText in class ASTNode


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