i'm trying to find why my gramar generates error currently my grammar looks like that: grammar myGrammar; options { language = Java; output = AST; } number : ('0'..'9')+; and i get: warning(200): /myGrammar/myGrammar.g:16:19: Decision can match input such as "EOF" using multiple alternatives: 1, 2 As a result, alternative(s) 2 were disabled for that input |---> number : ('0'..'9')+; error(201): /myGrammar/myGrammar.g:16:19: The following alternatives can never be matched: 2 |---> number : ('0'..'9')+; to be hon   More>>

			

			

			

			

			grammar myGrammar;
			

			

			

			

			options {
			

			

			language = Java;
			

			

			output = AST;
			

			

			}
			

			

			

			

			number : ('0'..'9')+;
			

			

			

			

			and i get:
			

			

			warning(200): /myGrammar/myGrammar.g:16:19: Decision can match input such as "EOF" using multiple alternatives: 1, 2
			

			

			As a result, alternative(s) 2 were disabled for that input
			

			|---> number : ('0'..'9')+;
			

			

			

			error(201): /myGrammar/myGrammar.g:16:19: The following alternatives can never be matched: 2
			

			|---> number : ('0'..'9')+;