LG.lgr

/* LRSTAR Lexical-Grammar Tokens. */	 

  	<eof>					-> \z
	<alpha>     		-> alpha
	<lexical>   		-> '<' alpha '>' 
	<ignore>   			-> '{' alpha '}' 
	<escape>				-> '\' letter		

	alpha       		-> (letter|'_') (letter|digit|'_')*

	<integer>   		-> digit+

	<literal>   		-> ''' ''' '''
							-> ''' ' ' '''
							-> ''' nonquote+  '''
	nonquote				-> { 33..254 - ''' }

	<string>   			-> '"' '"' '"'
							-> '"' ' ' '"'
							-> '"' nondquote+  '"'
	nondquote			-> { 33..254 - '"' }

	letter      		-> { 'a'..'z' | 'A'..'Z' }
	digit       		-> { '0'..'9' }

	hexdigit				-> { digit | 'a'..'f' | 'A'..'Z' }

	{whitespace}		-> ( \t | \n | \r | ' ' )+
	{commentline}		-> '/' '/' neol*
	{commentblock}		-> '/' '*' na* '*'+ (nans na* '*'+)* '/'												

	na             	-> { any - '*'			} // not asterisk
	nans           	-> { any - '*' - '/'	} // not asterisk not slash
	neol           	-> { any - \n			} // not end of line
	any					-> { 0..255 - \z		} // any character except end of file

	\t						->  9						// tab
	\n						-> 10						// newline
	\v						-> 11						// vertical feed
	\f						-> 12						// form feed
	\r						-> 13						// return
	\z						-> 26						// end of file

/* End of Lexical Grammar. */