[antlr-interest] Operator tree construction in rewrite syntax

[Marko Simovic]

i apologize...i meant there to be a zero-or-more:

sum: something (Plus^ something)*;

Thanks

-----Original Message-----
From: Guntis Ozols <guntiso at latnet.lv>
To: Marko Simovic <markobarko at gmail.com>
Cc: antlr-interest <antlr-interest at antlr.org>
Subject: Re: [antlr-interest] Operator tree construction in rewrite
syntax
Date: Mon, 14 Apr 2008 23:00:45 +0300


> Quick question (i hope). What is the equivalent to the following using
> the rewrite (->) syntax:
>
> sum: something (Plus^ something);
>
> Thanks,
> Marko

1. try: something (Plus something) -> ^(Plus something+);

2. how about '*', did you mean: something (Plus^ something)*; ?

3. do not use ^ on both sides

Guntis

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