[antlr-interest] greedy question

[Gavin Lambert]

At 11:11 17/03/2008, Pierre Attar wrote:
 >Finally, I solve this problem by adding a star to the content 
for
 >repetition:
 >string : 'string["' (options {greedy=false;} : . )* '"]' ;
 >
 >The remaining problem is that I always have the following 
message
 >1>..\resources\mff.g3pl(234,87) : warning 200 : Decision can 
match
 >input such as "'"]'" using multiple alternatives: 1, 2 As a 
result,
 >alternative(s) 1 were disabled for that input
 >
 >How ca I say something like "any thing but not "]" for solving
 >ambiguity ?

Spell it out explicitly:

STRING : 'string["' (~('"') | '"' ~(']'))* '"]';

(Note the upper case as well.  This should almost certainly be a 
lexer rule, not a parser rule.)