[antlr-interest] Basic question : howto differantiate value/pair combination

[DELZANT Bruno (BMB)]

Thanks Ric for the answer that helps me.

But now let's suppose that I define the following:

<!--
class TestLexer extends Lexer;
options { k=4; }

protected UPPER  : ('A'..'Z');
protected LOWER  : ('a'..'z');
protected LETTER : (LOWER | UPPER);
protected DIGIT  : ('0'..'9');

protected ID     : UPPER (LETTER | DIGIT)* ;
protected VALUE  : (LETTER | DIGIT)+ ;

ID_OR_VALUE : (ID EQ) => ID { $setType(ID); }
            | (ID) => VALUE { $setType(VALUE); };

EQ          : '=';
SEPARATOR   : ','|';'|' ';

TOKEN_CMD   : "LOGIN" | "login"
            | "LOGOUT" | "logout" ;
-->

I get a lexical nondeterminism between rules ID_OR_VALUE and TOKEN_CMD.
Is there a way to let know to the lexer that strings defined for
TOKEN_CMD are tokens and should be considered first by the lexer and if
not recognised they should  be a match with LETTER (ID_OR_VALUE
indirectly) ?

As general remark I just started 3 days ago discovering ANTLR, it seems
powerful, but the documentation is, I found, quite vague on basic things
(like the one I speak here).
Is there any good tutorials that go deeper and deeper that just the
reference manual ?

Thanks a lot anyway for your support !

Cheers,
Bruno


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