org.holtz.zoe
Class Expression

java.lang.Object
  org.holtz.zoe.Expression

Direct Known Subclasses:

Operation, StatementList, Value

public abstract class Expression
extends java.lang.Object

A Value, Operation, or StatementList in a Zoel program.

Author:

Brian Holtz

Constructor Summary

Expression()

Method Summary

abstract Expression	copy()
static Expression	parse(java.lang.String word1, ZoelTokenizer zoelTokenizer)
static Expression	parse(ZoelTokenizer zoelTokenizer)
abstract java.lang.String	toString()
abstract java.lang.String	toString(java.lang.String statementSeparator, Expression currStmt, java.lang.String cursor)
int	totalStatements()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Expression

public Expression()

Method Detail

copy

public abstract Expression copy()

totalStatements

public int totalStatements()

toString

public abstract java.lang.String toString(java.lang.String statementSeparator,
                                          Expression currStmt,
                                          java.lang.String cursor)

toString

public abstract java.lang.String toString()

Overrides:

toString in class java.lang.Object

parse

public static Expression parse(java.lang.String word1,
                               ZoelTokenizer zoelTokenizer)
                        throws java.lang.Exception

Throws:

java.lang.Exception

parse

public static Expression parse(ZoelTokenizer zoelTokenizer)
                        throws java.lang.Exception

Throws:

java.lang.Exception