polyglot.util
Class StdErrorQueue

java.lang.Object
  polyglot.util.AbstractErrorQueue
      polyglot.util.StdErrorQueue

All Implemented Interfaces:

ErrorQueue

public class StdErrorQueue
extends AbstractErrorQueue

A StdErrorQueue handles outputing error messages.

Field Summary

Fields inherited from class polyglot.util.AbstractErrorQueue

errorCount, flushed, limit, name

Constructor Summary

StdErrorQueue(java.io.PrintStream err, int limit, java.lang.String name)

Method Summary

void	displayError(ErrorInfo e)
void	flush() This method is called to flush the error queue.
protected java.io.Reader	reader(Position pos)
protected void	showErrorIndicator(Position pos, int lineNum, java.lang.String s)
protected void	tooManyErrors(ErrorInfo lastError) This method is called when we have had too many errors.

Methods inherited from class polyglot.util.AbstractErrorQueue

enqueue, enqueue, enqueue, errorCount, hasErrors

Methods inherited from class java.lang.Object

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

Constructor Detail

StdErrorQueue

public StdErrorQueue(java.io.PrintStream err,
                     int limit,
                     java.lang.String name)

Method Detail

displayError

public void displayError(ErrorInfo e)

Specified by:

displayError in class AbstractErrorQueue

tooManyErrors

protected void tooManyErrors(ErrorInfo lastError)

Description copied from class: AbstractErrorQueue

This method is called when we have had too many errors. This method give subclasses the opportunity to output appropriate messages, or tidy up.

Overrides:

tooManyErrors in class AbstractErrorQueue

Parameters:

lastError - the last error that pushed us over the limit

reader

protected java.io.Reader reader(Position pos)
                         throws java.io.IOException

Throws:

java.io.IOException

showErrorIndicator

protected void showErrorIndicator(Position pos,
                                  int lineNum,
                                  java.lang.String s)

flush

public void flush()

Description copied from class: AbstractErrorQueue

This method is called to flush the error queue. Subclasses may want to print summary information in this method.

Specified by:

flush in interface ErrorQueue

Overrides:

flush in class AbstractErrorQueue