org.exolab.jms.selector.parser
Class SelectorAST

java.lang.Object
  antlr.BaseAST
      antlr.CommonAST
          org.exolab.jms.selector.parser.SelectorAST

All Implemented Interfaces:

antlr.collections.AST, java.io.Serializable

public class SelectorAST
extends antlr.CommonAST

Selector AST node. This adds expression type and context information used by the tree parser to validate expressions.

Version:

$Revision: 1.4 $ $Date: 2003/08/09 15:49:50 $

Author:

Tim Anderson

See Also:

Context, SelectorParser, SelectorTreeParser, Type, Serialized Form

Field Summary

Fields inherited from class antlr.BaseAST

down, right

Constructor Summary

SelectorAST()
Construct a new SelectorAST

Method Summary

Context	getContext() Returns the context of the expression
Type	getReturnType() Returns the return type of the expression
void	initialize(antlr.Token token) Initialise this with a token
void	setReturnType(Type type) Sets the return type of the expression

Methods inherited from class antlr.CommonAST

getText, getType, initialize, initialize, setText, setType

Methods inherited from class antlr.BaseAST

addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getColumn, getFirstChild, getLine, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SelectorAST

public SelectorAST()

Construct a new SelectorAST

Method Detail

initialize

public void initialize(antlr.Token token)

Initialise this with a token

Specified by:

initialize in interface antlr.collections.AST

Overrides:

initialize in class antlr.CommonAST

Parameters:

token - the token

setReturnType

public void setReturnType(Type type)

Sets the return type of the expression

Parameters:

type - the return type

getReturnType

public Type getReturnType()

Returns the return type of the expression

Returns:

the return type of the expression

getContext

public Context getContext()

Returns the context of the expression

Returns:

the context of the expression