saffron.walden
Class PrintHandler

java.lang.Object
  |
  +--saffron.walden.PrintHandler

All Implemented Interfaces:

Handler

public class PrintHandler

extends Object

implements Handler

A PrintHandler writes the output of a Interpreter to a PrintWriter.

Since:

May 26, 2002

Version:

$Id: //open/saffron/src/main/saffron/walden/PrintHandler.java#1 $

Author:

jhyde

Field Summary

(package private) boolean	interactive
(package private) Interpreter	interpreter
(package private) String	prompt
(package private) PrintWriter	pw

Constructor Summary

PrintHandler(Interpreter interpreter, PrintWriter pw, boolean interatcive)

Method Summary

void	afterExecute(OJClass clazz, Object o)
void	beforeExecute(ParseTree parseTree)
void	beforeParse()
void	onParseException(ParseException e)

Methods inherited from class java.lang.Object

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

Field Detail

pw

PrintWriter pw

interpreter

Interpreter interpreter

interactive

boolean interactive

prompt

String prompt

Constructor Detail

PrintHandler

public PrintHandler(Interpreter interpreter,
                    PrintWriter pw,
                    boolean interatcive)

Method Detail

beforeParse

public void beforeParse()

Specified by:

beforeParse in interface Handler

afterExecute

public void afterExecute(OJClass clazz,
                         Object o)

Specified by:

afterExecute in interface Handler

beforeExecute

public void beforeExecute(ParseTree parseTree)

Specified by:

beforeExecute in interface Handler

onParseException

public void onParseException(ParseException e)

Specified by:

onParseException in interface Handler