com.hdcookbook.grin.io.text
Class ForwardReference

java.lang.Object
  com.hdcookbook.grin.io.text.ForwardReference

public abstract class ForwardReference
extends java.lang.Object

Used by the parser when it encounters something that might be a forward reference. It's used to defer some computation in parsing until the reference is resolved.

Author:

Bill Foote (http://jovial.com)

Constructor Summary

ForwardReference(Lexer lexer)

Method Summary

void	reportError(java.lang.String msg) Convenience method for reporting an error.
abstract void	resolve() Called by the parser after the entire file has been parsed, and it's time to resolve this forward reference.

Methods inherited from class java.lang.Object

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

Constructor Detail

ForwardReference

public ForwardReference(Lexer lexer)

Method Detail

resolve

public abstract void resolve()
                      throws java.io.IOException

Called by the parser after the entire file has been parsed, and it's time to resolve this forward reference.

Throws:

java.io.IOException

reportError

public void reportError(java.lang.String msg)
                 throws java.io.IOException

Convenience method for reporting an error. The error message gives the line number where the construct we represent was read.

Throws:

java.io.IOException