org.apache.jdo.impl.jdoql.tree
Class CharLiteralExpr

java.lang.Object
  extended byantlr.BaseAST
      extended byantlr.CommonAST
          extended byorg.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
              extended byorg.apache.jdo.impl.jdoql.tree.NodeImpl
                  extended byorg.apache.jdo.impl.jdoql.tree.Expr
                      extended byorg.apache.jdo.impl.jdoql.tree.ConstantExpr
                          extended byorg.apache.jdo.impl.jdoql.tree.CharLiteralExpr
All Implemented Interfaces:
antlr.collections.AST, CharLiteralExpression, java.lang.Cloneable, ConstantExpression, Expression, Node, java.io.Serializable

public final class CharLiteralExpr
extends ConstantExpr
implements CharLiteralExpression

This node represents a character literal. It does not have any children.

Author:
Michael Watzek
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
column, line, typeInfo
 
Fields inherited from class antlr.BaseAST
down, right
 
Constructor Summary
CharLiteralExpr()
          The noarg constructor is needed for ANTLR support and deserialization.
CharLiteralExpr(antlr.Token token)
          The noarg constructor is needed for ANTLR support.
 
Method Summary
 void arrive(NodeVisitor visitor)
          Delegates to the argument visitor.
 char getChar()
          Returns the char value represented by this expression.
 java.lang.Object leave(NodeVisitor visitor, java.lang.Object[] results)
          Delegates to the argument visitor.
 
Methods inherited from class org.apache.jdo.impl.jdoql.tree.ConstantExpr
getValue, newConstant
 
Methods inherited from class org.apache.jdo.impl.jdoql.tree.NodeImpl
clone, getChildren, getJavaClass, getObject, getParent, getTokenType, setObject, setParent, toString, walkNextChild
 
Methods inherited from class org.apache.jdo.impl.jdoql.jdoqlc.JDOQLAST
getColumn, getLine, getTypeInfo, initialize, initialize, initialize, setColumn, setLine, setTypeInfo, treeToString
 
Methods inherited from class antlr.CommonAST
getText, getType, initialize, setText, setType
 
Methods inherited from class antlr.BaseAST
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.apache.jdo.jdoql.tree.ConstantExpression
getValue
 
Methods inherited from interface org.apache.jdo.jdoql.tree.Node
getChildren, getJavaClass, getObject, getParent, getTokenType, setObject, setParent, walkNextChild
 

Constructor Detail

CharLiteralExpr

public CharLiteralExpr()
The noarg constructor is needed for ANTLR support and deserialization. The caller must make sure to set the ANTLR tree structure himself or, call setChildren optionally.


CharLiteralExpr

public CharLiteralExpr(antlr.Token token)
The noarg constructor is needed for ANTLR support. The caller must make sure to set the ANTLR tree structure himself or, call setChildren optionally.

Method Detail

getChar

public char getChar()
Returns the char value represented by this expression.

Specified by:
getChar in interface CharLiteralExpression
Returns:
the char value

arrive

public void arrive(NodeVisitor visitor)
Delegates to the argument visitor.

Specified by:
arrive in interface Node
Overrides:
arrive in class ConstantExpr
Parameters:
visitor - the node visitor

leave

public java.lang.Object leave(NodeVisitor visitor,
                              java.lang.Object[] results)
Delegates to the argument visitor.

Specified by:
leave in interface Node
Overrides:
leave in class ConstantExpr
Parameters:
visitor - the node visitor
results - the result array
Returns:
the object returned by the visitor instance


Copyright © 2005-2007 Apache Software Foundation. All Rights Reserved.