SysDefTree:
	(roots+=RootNode)+
;

RootNode:
	'{'
		(properties+=Property)+
	'};'
;

Property:
	name=ID '=' values+=PropertyValue ';'
;


PropertyValue:
	NumberValue | ByteValue | StringValue
;


NumberValue:
	'<' value=Number '>'
;

ByteValue hidden():
	'[' WS* ((bytes+=HexDigit) (bytes+=HexDigit) WS*)+ ']'
;

StringValue:
	value=STRING
;

HexDigit:
	('0'|'1'|'2'|'3'|'4'|'5'|'6'|'7'|'8'|'9'|'a'|'A'|'b'|'B'|'c'|'C'|'d'|'D'|'e'|'E'|'f'|'F')
;

Number:
	SINGLE_DIGIT | INT | HEX | HEX_INT_PREFIX | HEX_NO_PREFIX
;

// ======================== Terminals =========================================

terminal SINGLE_DIGIT:
	('0'..'9')
;

terminal HEX_INT_PREFIX:
	SINGLE_DIGIT+ ('a'..'f' | 'A'..'F') (SINGLE_DIGIT | 'a'..'f' | 'A'..'F' | '_')*
;

terminal HEX_NO_PREFIX:
	('a'..'f' | 'A'..'F') (SINGLE_DIGIT | 'a'..'f' | 'A'..'F' | '_')*
;

terminal HEX:
	('0x' | '0X') (SINGLE_DIGIT | 'a'..'f' | 'A'..'F' | '_')+
;

terminal INT returns ecore::EInt:
	SINGLE_DIGIT+
;

terminal ID:
	 (SINGLE_DIGIT | 'a'..'z' | 'A'..'Z' | '_' | '#') ('a'..'z' | 'A'..'Z' | '_' | '-' | SINGLE_DIGIT | '#' | ',')*
;

terminal STRING	: 
			'"' ( '\\' . /* 'b'|'t'|'n'|'f'|'r'|'u'|'"'|"'"|'\\' */ | !('\\'|'"') )* '"' |
			"'" ( '\\' . /* 'b'|'t'|'n'|'f'|'r'|'u'|'"'|"'"|'\\' */ | !('\\'|"'") )* "'"
		; 
terminal ML_COMMENT	: '/*' -> '*/';

terminal WS			: (' '|'\t'|'\r'|'\n')+;