[antlr-interest] SL_COMMENT rule from java.g example

Terence Parr parrt at jguru.com
Mon Nov 19 11:01:56 PST 2001

On Monday, November 19, 2001, at 05:50  AM, rradh at yahoo.com wrote:

> Hi,
> I have the same definition of the SL_COMMENT rule (from java.g in the
> examples/cpp/java/ directory), in my language.
> 	:	"//"
> 		(~('\n'|'\r'))* ('\n'|'\r'('\n')?)
> 		{$setType(ANTLR_USE_NAMESPACE(antlr)Token::SKIP); newline();}
> 	;
> The language is "Cpp".
> The problem I am having is that if there is no terminating '\n' in a
> single line comment. I get an "Abort" message and the program
> terminates, despite the presence of '\n' being optional.

Try grabbing the latest one from the website...i think I fixed that 
one.  Hmm...maybe not.

you could just make that subrule optional.

Chief Scientist & Co-founder, http://www.jguru.com
Creator, ANTLR Parser Generator: http://www.antlr.org


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