[antlr-interest] ANTLR3 Capturing System.out.println
David Holroyd
dave at badgers-in-foil.co.uk
Thu Mar 29 10:25:08 PDT 2007
On Thu, Mar 29, 2007 at 11:56:16AM -0400, Kailey Joanette wrote:
> That particular set of code does not work. LA doesn't exist. And
> doing input.LA doesn???t work either because ... well apparently that
> returns an int...
It's input.LT(1).getText() I think.
> -----Original Message-----
> From: Loring Craymer [mailto:lgcraymer at yahoo.com]
> Sent: March 29, 2007 10:06 AM
> To: Kailey Joanette; 'F????rat" "K?????????????K'
> Cc: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] ANTLR3 Capturing System.out.println
>
> Kailey--
>
> You want to use semantic predicates here, not
> keywords, for names. That is, try
>
> println
> :
> {LA(1).getText().equals("System") &&
> LA(3).getText().equals("println"} => ID
> DOT ID
> LPAREN
> outputExpression
> RPAREN
> ;
>
> Still better is to use a symbol table for functions to
> be translated (still using sempreds for
> identification).
>
> --Loring
>
>
--
http://david.holroyd.me.uk/
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