[antlr-interest] How do you Output a String Literal?

[titech at metaorb.com]

I don't think I've seen the [] syntax.

My parser grammer looks like this:

convolution:          name tapset+       -> ^(CONVOLUTION name tapset+);
...

CONVOLUTION:  'convolution';


The
only reason I made a token of the 'convolution' literal was to
facilitate the imaginary node output.  I get an error if I use the
literal in the AST rule, unless the literal is also used in the parser
rule (which seems odd..).

Thanks again,
--Mike


----- Original Message ----
From: Johannes Luber <jaluber at gmx.de>
To: "titech at metaorb.com" <titech at metaorb.com>
Cc: antlr-interest at antlr.org
Sent: Friday, August 22, 2008 5:15:51 PM
Subject: Re: [antlr-interest] How do you Output a String Literal?

titech at metaorb.com schrieb:
> I'm trying to output a string literal based on an imaginary token in an AST.
> 
>
If I use "$TOKEN.text", I get the expected string literal for tokens
used in the parser rule, but for imaginary tokens, I just get the token
(e.g. all caps).
> 
> Is there a way to get the string literal (or the matched text) back from the token?
> 
> Thanks,
> --Mike

Do you create imaginary tokens like this?

IMAGINARY[REAL]

With that syntax the
IMAGINARY token receives all attributes of the REAL token.

Johannes
> 
> 
> Mike Allbright
> DLP Products
> Texas Instruments,
> Inc.
> 
> 
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