[antlr-interest] LT(0)

[Terence Parr]

On Saturday, April 5, 2003, at 01:20  PM, Braden McDaniel wrote:

> On Thu, 2003-04-03 at 17:53, Terence Parr wrote:
>> On Thursday, April 3, 2003, at 02:47  PM, mwwickline wrote:
>>
>>> I can't find anything in the documentation that explicitly states
>>> whether you can do "LT(0)" and where it's allowed.  I'm getting a 
>>> core
>>
>> LT(0) is meaningless, I'm afraid.  First symbol of lookahead is LT(1) 
>> :)
>
> Hm... I've been using "LT(0)->getLine()" to get the current line 
> number.

Is there a getLine() method in the lexer?  You could use that :)

Or LT(1).getLine().

Ter
--
Co-founder, http://www.jguru.com
Creator, ANTLR Parser Generator: http://www.antlr.org
Lecturer in Comp. Sci., University of San Francisco


 

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