START_MODEL
VAR X ignore everything until the next keyword
still ignore the line
VAR Y again ignore until the next keyword
END_MODEL

grammar org.mlnx.xtext.RBV hidden(WS, ML_COMMENT, SL_COMMENT)
import "http://www.eclipse.org/emf/2002/Ecore" as ecore
generate rBV "http://www.mlnx.org/xtext/RBV"
Model:
	START_KWD (name=ID)?
	(items += Item)+
	END_KWD 
	;
Item: 
	VarDeclaration
;	
VarDeclaration:
	VAR_KWD (name=SIMPLE_NAME) NOT_KWD
;
/***************
 * Terminals
 * The sequence of terminals is important
 ***************/
terminal START_KWD:		'START_MODEL';
terminal END_KWD:             	'END_MODEL';
terminal VAR_KWD:		'VAR';						
terminal SIMPLE_NAME:		('A'..'Z') ('A'..'Z'|'_'|'0'..'9')*;
//*********** grammar org.eclipse.xtext.common.Terminals
terminal ID  		: '^'?('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
terminal INT returns ecore::EInt: ('0'..'9')+;
terminal STRING	: 
			'"' ( '\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|"'"|'\\') | !('\\'|'"') )* '"' |
			"'" ( '\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|"'"|'\\') | !('\\'|"'") )* "'"; 
terminal ML_COMMENT	: '/*' -> '*/';
terminal SL_COMMENT 	: '//' !('\n'|'\r')* ('\r'? '\n')?;

terminal WS		: (' '|'\t'|'\r'|'\n')+;
//******************************************************
terminal NOT_KWD        :  !(START_KWD|END_KWD|VAR_KWD)+;

VarDeclaration:
	VAR_KWD (name=SIMPLE_NAME) NOT_KWD+
;
terminal NOT_KWD: 	!(START_KWD|END_KWD|VAR_KWD);