=?gb2312?q?=BB=D8=B8=B4=A3=BA=20RE:=20[antlr-interest]=20So=20I=20wish=20?= =?gb2312?q?one=20token=20has=20two=20types?=

[=?gb2312?q?=CB=EF=BC=CD=B8=D5=20Jigang=20(Robert)=20Sun?=]

--- Micheal J wrote:

> Jigang,
> 
> > I have two kinds of tokens, CHAR and ID, to identify 
> > 
> > CHAR: LowerCaseChar;
> > ID: (LowerCaseChar)+;
> > 
> > a single char, e.g. 's', could be either type of CHAR of ID, 
> 
> Can't be resolved in a lexer (well, it may be possible but it usuallly gets
> very messy). Let the parser resolve it.
> 


If the grammar is
 
CHAR: LowerCaseChar;
id: (CHAR)+;

What got is a tree other than a token/string. So I have to use actions to get the string. Do you
mean token/string creation should be done in parser?

Jigang
  

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