Xbase.xtext

XNumberLiteral returns XExpression :
	{XNumberLiteral} value=Number;
  
Number hidden():
	HEX | (INT | DECIMAL) ('.' (INT | DECIMAL))?;
  
terminal HEX:
	('0x'|'0X') ('0'..'9'|'a'..'f'|'A'..'F'|'_')+
	('#' (('b'|'B')('i'|'I') | ('l'|'L')))?;

terminal INT returns ecore::EInt:
	'0'..'9' ('0'..'9'|'_')*;

terminal DECIMAL:
	INT
	(('e'|'E') ('+'|'-')? INT)?
	(('b'|'B')('i'|'I'|'d'|'D') | ('l'|'L'|'d'|'D'|'f'|'F'))?;