java_cup.runtime

Interface Scanner

All Known Implementing Classes:

ScannerBuffer

public interface Scanner

Defines the Scanner interface, which CUP uses in the default implementation of lr_parser.scan(). Integration of scanners implementing Scanner is facilitated.

Version:

last updated 23-Jul-1999

Author:

David MacMahon

Method Summary

Modifier and Type	Method and Description
Symbol	next_token() Return the next token, or null on end-of-file.

Method Detail

next_token

Symbol next_token()
           throws Exception

Return the next token, or null on end-of-file.

Throws:

Exception