/*
 *	File:		SLCharClasses.re2h
 *	Contains:	Character classes for Lexical Scanning
 *	Version:	2.0
 *
 *	Copyright:	© 2008-2014 by Apple, Inc., all rights reserved.
 *
 *	File Ownership:
 *
 *		DRI:				Matthias Neeracher    x43683
 *		Other Contact:		Jia Pu				  x40763
 *		Technology:			Kim Silverman         x20545
 *
 *	Writers:
 *
 *		(MN)	Matthias Neeracher
 */

/*! @header Character Classes
 * 
 * This module classes of characters considered equivalent for some 
 * purposes by the lexer. This file must be included inside a re2c 
 * block.
 */

/*!re2c
  /* Character classes. Where possible, names are derived from Unicode
  * category names.
  */
  any = [\x00-\XFFFF];								/* Any character    */
  Lu  = [A-Z\xC0\xC6];								/* Uppercase letter */
  Ll  = [a-z\xB0\xE0\xE6];						    /* Lowercase letter */
  L   = (Lu | Ll);									/* Letter           */
  Lp  = (L | '(' | ')' | '.' | ',');			    /* Letter or punctuation  */
  Li  = [\X0250\xC0-\X017F];						/* IPA character & OxAm accented */
  Nd  = [0-9];										/* Digit 			*/
  Np  = [1-9];										/* Positive Digit 	*/
  /* First digit in area and exchange codes can never be 0 (technically, it
	 can't be 1 either, but we'll let that go for now.
  */
  Na  = Np Nd{2};									/* US Area Code     */
  LN  = (L | Nd);									/* Letter or digit  */
  Nf  = [\xBC-\xBE\X2153-\X215E];                   /* Fractions        */
  Zl  = "\r" "\n"? | "\n" ;							/* Line separator   */
  Zp  = "\v";										/* Paragraph 		*/
  Zst = (' ' | 										/* Space separator (excluding tab) */
		 '\xA0'   |	/* NO BREAK SPACE 							  */
		 '\X202F'	/* NARROW NO BREAK SPACE 					  */
		); 
  Zs  = (Zst | "\t");									/* Space separator (including tab) */
  /* Most quote characters are ambiguously used for initial/final
   * See also:
   *	http://en.wikipedia.org/wiki/Quotation_marks
   *    http://en.wikipedia.org/wiki/Quotation_mark%2C_non-English_usage
   */
  Qi  = ('\x60'	  | /* GRAVE ACCENT */ 				/* Initial quotes   */
		 '\X2035' | /* REVERSED PRIME                             */
		 '\X2036'   /* REVERSED DOUBLE PRIME                      */
		);
  Qf  = ( 								/* Final quotes     */
		 '\xB4'   | /* ACUTE ACCENT                               */
		 '\X2019' | /* RIGHT SINGLE QUOTATION MARK                */
		 '\X201D' | /* RIGHT DOUBLE QUOTATION MARK      		  */
		 '\X2032' | /* PRIME                                      */
		 '\X2033'   /* DOUBLE PRIME                               */
		);
  Qx  = ('"' | "'" | 								/* Ambiguous quotes  */
		 '\xAB'   | /* LEFT-POINTING DOUBLE ANGLE QUOTATION MARK  */
		 '\xBB'   | /* RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK */
		 '\X2018' | /* LEFT SINGLE QUOTATION MARK                 */
		 '\X201A' | /* SINGLE LOW-9 QUOTATION MARK                */
		 '\X201B' | /* SINGLE HIGH-REVERSED-9 QUOTATION MARK      */
		 '\X201C' | /* LEFT DOUBLE QUOTATION MARK                 */
		 '\X201E' | /* DOUBLE LOW-9 QUOTATION MARK                */
		 '\X201F' | /* DOUBLE HIGH-REVERSED-9 QUOTATION MARK      */
		 '\X2039' | /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK  */
		 '\X203A'   /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */
		 );
  Qs  = (Qi | Qx);									/* Start quote      */
  Qe  = (Qf | Qx);									/* End quote        */
  Q   = (Qi | Qf | Qx);								/* Any quote        */
  /* Parentheses are not ambiguous */
  Ps  = ('(' | '[' | '{');							/* Open parenthesis */
  Pe  = (')' | ']' | '}');							/* Close parenthesis */
  /* Punctuation, currency symbols, other characters of interest */
  Pp  = [.,;?!];	   	    	  	      /* Punctuation permitted in phonetic material */
  Pc  = ([$] |                                      /* Currency symbols */
		 '\xA3'   | /* POUND SIGN                                 */     
		 '\xA5'   | /* YEN SIGN                                   */
		 '\X20AC' | /* EURO SIGN                                  */
		 '\X20A8'   /* RUPEE SIGN                                 */
		 );
  Pl  = ([=@*<>] |	 										/* Characters pronounced literally */
		 '\xA2'	  | /* CENT SIGN 								  */
		 '\xA7'   | /* PARAGRAPH SIGN                             */
		 '\xA9'	  | /* COPYRIGHT SIGN                             */
		 '\xAE'   | /* REGISTERED MARK SIGN                       */
		 '\xB0'   | /* DEGREE SIGN                                */
		 '\xD7'   | /* MULTIPLICATION SIGN                        */
		 '\xF7'   | /* DIVISION SIGN                              */
		 '\X2030' | /* PER MILLE SIGN                             */
		 '\X2031' | /* PER TEN THOUSAND SIGN                      */
		 '\X2120' | /* SERVICE MARK SIGN                          */
		 '\X2122' | /* TRADE MARK SIGN                            */
		 '\X2318' | /* COMMAND KEY                                */
		 '\X2325'   /* OPTION KEY                                 */
	    );
  /* (Potential) Emoji */
  Ple = ([\X203C\X2049\X2139\X2194-\X2199\X21A9\X21AA\X231A\X231B\X2328\X23E9-\X23EF\X23F0-\X23F3\X23F8-\X23FA\X24C2] |
		 [\X2500-\X32FF] | [\XD800-\XDDFF][\XDC00-\XDFFF] | [\XE000-\XF8FF] |
		 [#*0-9] '\XFE0F'? '\X20E3' | '\XD83C' [\XDDE6-\XDDFF] '\XD83C' [\XDDE6-\XDDFF] | '\X203C' '\XFE0F' | '\X2049' '\XFE0F' | '\X2764' '\XFE0F' );
  /* (Potential) Racially Diverse Emoji */
  Pled= ('\X261D' '\XD83C' [\XDFFB-\XDFFF] |
         '\X26F9' '\XD83C' [\XDFFB-\XDFFF] |
         [\X270A-\X270D] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83C' '\XDF85' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83C' [\XDFC3-\XDFC4] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83C' [\XDFCA-\XDFCB] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC42-\XDC43] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC46-\XDC50] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC66-\XDC69] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDC6E' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC70-\XDC78] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDC7C' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC81-\XDC83] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDC85-\XDC87] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDCAA' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDD75' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDD90' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDD95-\XDD96] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDE45-\XDE47] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDE4B-\XDE4F] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDEA3' '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' [\XDEB4-\XDEB6] '\XD83C' [\XDFFB-\XDFFF] |
         '\XD83D' '\XDEC0' '\XD83C' [\XDFFB-\XDFFF]
         '\XD83E' '\XDD18' '\XD83C' [\XDFFB-\XDFFF]
        );
/* (Potential) Diverse Family Emoji */
  Plef= ('\XD83D' '\XDC41' '\X200D' '\XD83D' '\XDDE8' |
         '\XD83D' '\XDC68' '\X200D' '\XD83D' [\XDC68-\XDC69] '\X200D' '\XD83D' '\XDC67' '\X200D' '\XD83D' [\XDC66-\XDC67] |
         '\XD83D' '\XDC68' '\X200D' '\XD83D' [\XDC68-\XDC69] '\X200D' '\XD83D' '\XDC66' '\X200D' '\XD83D' '\XDC66' |
         '\XD83D' '\XDC68' '\X200D' '\XD83D' [\XDC68-\XDC69] '\X200D' '\XD83D' [\XDC66-\XDC67] |
         '\XD83D' [\XDC68-\XDC69] '\X200D' '\X2764' '\XFE0F' '\X200D' '\XD83D' [\XDC68-\XDC69] |
         '\XD83D' [\XDC68-\XDC69] '\X200D' '\X2764' '\XFE0F' '\X200D' '\XD83D' '\XDC8B' '\X200D' '\XD83D' [\XDC68-\XDC69] |
         '\XD83D' '\XDC69' '\X200D' '\XD83D' '\XDC69' '\X200D' '\XD83D' '\XDC67' '\X200D' '\XD83D' [\XDC66-\XDC67] |
         '\XD83D' '\XDC69' '\X200D' '\XD83D' '\XDC69' '\X200D' '\XD83D' '\XDC66' '\X200D' '\XD83D' '\XDC66' |
         '\XD83D' '\XDC69' '\X200D' '\XD83D' '\XDC69' '\X200D' '\XD83D' [\XDC66-\XDC67]
        );
  Po  = ([-+#.,:;?!&%|] |                            /* Other characters */
		 '\X2014' | /* EM DASH                                    */
		 '\X2026'   /* HORIZONTAL ELLIPSIS                        */
		);
  surp = [\XD800-\XDBFF][\XDC00-\XDFFF]; 			/* Random Surrogate pairs */
  abul= (											/* Mandatory bullet characters */
		 '\X2012' | /* FIGURE DASH                                */
		 '\X2013' | /* EN DASH                                    */
		 '\X2014' | /* EM DASH                                    */
		 '\X2022' | /* BULLET                                     */
		 '\X25C6' | /* BLACK DIAMOND                              */
		 '\X25CF' | /* BLACK CIRCLE 							  */
		 '\X261B' | /* BLACK RIGHT POINTING INDEX                 */
		 '\X261E'   /* WHITE RIGHT POINTING INDEX                 */
		);
  pbul= ([-*] |		                            	/* Potential bullet characters*/
		 '\X2010'   /* HYPHEN                                     */
		 );
  bul = abul | pbul;								/* Bullet characters */
  hyp = ('-' |                                      /* Hyphen characters */
		 '\X2010' | /* HYPHEN                                     */
		 '\X2011' | /* NON-BREAKING HYPHEN                        */
		 '\X2012' | /* FIGURE DASH                                */
		 '\X2013'   /* EN DASH                                    */
		 );
  shy = '\xAD';                                     /* Soft hyphen          */
  apo = ("'" |										/* Apostrophes 		*/
		 '\X02BB' | /* MODIFIER LETTER TURNED COMMA	('okina)	  */
		 '\X02BC' | /* MODIFIER LETTER APOSTROPHE				  */
		 '\X02BD' | /* MODIFIER LETTER REVERSED COMMA             */
		 '\X02F4' | /* MODIFIER LETTER GRAVE ACCENT               */
		 '\X2018' | /* LEFT SINGLE QUOTATION MARK                 */
		 '\X2019' | /* RIGHT SINGLE QUOTATION MARK                */
		 '\X201B' | /* SINGLE HIGH-REVERSED-9 QUOTATION MARK      */
		 '\X2032' | /* PRIME                                      */
		 '\X2035'   /* REVERSED PRIME                             */
		);
  fns = ("#" |										/* Musical modifiers */
		 '\X266D' | /* MUSIC FLAT SIGN 							  */
		 '\X266E' | /* MUSIC NATURAL SIGN 						  */
		 '\X266F'   /* MUSIC SHARP SIGN 						  */
		 );
  deg = ('\xB0'   | /* DEGREE SIGN                                				*/
		 '\xBA'	  | /* MASCULINE ORDINAL INDICATOR (Wrong, but easily confused) */
		 '\X02BA'   /* RING ABOVE 								  				*/
		);
  pha = ([\X02B0-\X0370]);	                        /* Phonetic accents   */
  Qqs = ("'" |									/* Single quote (minute/foot) */
		 '\X2032' | /* PRIME                                      */
		 '\X2019'   /* RIGHT SINGLE QUOTATION MARK                 */
		);
  Qqd = ('"' |									/* Double quote (second/inch) */
		 '\X2033' | /* DOUBLE PRIME                               */
		 '\X201D' | /* RIGHT DOUBLE QUOTATION MARK                */
		 "''"     | /* Doubled single quotes                      */
		 '\X2032\X2032' | '\X2019\X2019'
		);
  Pun = ('\xA2'	  /* CENT SIGN 								  */
		);
  whl = [-+]? Nd+;	                        /* Whole number                  */
  exp = [eE] [+-]? Nd+;					   	/* Scientific       	         */
  unt = hyp? L{1,8};			       		/* Unit / ordinal suffix         */
  dlm = [^ \t\xA0\X202F;];				   	/* Command delimiters	         */
  urc = [-#$%&+/\\=@|~_];					/* URL punctuation               */
  urp = (urc | [!.;?]);						/* Internal URL punctuation [^,:]*/
  luc = (L | Nd | urc);						/* URL characters everywhere	 */
  Pu  = [!,.:;?];						   	/* URL characters, except at end */
  url = (luc | Pu)* luc;		   			/* URL body                      */
  burl= '<' (luc | Pu)+ '>';				/* Bracketed URL                 */
  Pm  = [-.@!%+];						   	/* e-mail address punctuation    */
  phs = ([-.] | Zs);					   	/* phone # group separator       */
  UN  = (Lu | Nd);						   	/* Phone # alphanumeric          */
  anc = (LN+ | L "." (L ".")+ | Nd+ "." Nd+); 			/* Alphanumeric constituent      */
  rmM = "M"{0,3};							/* Roman numerals, thousands     */
  rmC = "D"? "C"{0,3} | "C" [DM];	        /* Roman numerals, hundreds      */
  rmX = "L"? "X"{0,3} | "X" [LC];	        /* Roman numerals, tens          */
  rmI = "V"? "I"{0,3} | "I" [VX];	        /* Roman numerals, ones          */
  rom = rmM rmC rmX rmI;			        /* Roman numeral (possibly empty)*/
  ipw = Lp* (Li | pha) (Lp | Li | pha)*;    /* Phonetic word                 */
  ipa = ipw (Zs+ ipw)*;                     /* Phonetic material             */
*/	  

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