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Annotation of 43BSDTahoe/etc/htable/scan.l, revision 1.1

1.1     ! root        1: %{
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 1983 Regents of the University of California.
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms are permitted
        !             8:  * provided that the above copyright notice and this paragraph are
        !             9:  * duplicated in all such forms and that any documentation,
        !            10:  * advertising materials, and other materials related to such
        !            11:  * distribution and use acknowledge that the software was developed
        !            12:  * by the University of California, Berkeley.  The name of the
        !            13:  * University may not be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)scan.l     5.6 (Berkeley) 6/18/88";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include "y.tab.h"
        !            25: #include "htable.h"
        !            26: %}
        !            27: 
        !            28: BLANK  [ \t]
        !            29: DIGIT  [0-9]
        !            30: ALPHA  [A-Za-z]
        !            31: ANUM   [0-9A-Za-z]
        !            32: NAMECHR        [0-9A-Za-z./-]
        !            33: 
        !            34: %%
        !            35: "NET"          {
        !            36:                        yylval.number = KW_NET;
        !            37:                        return (KEYWORD);
        !            38:                }
        !            39: 
        !            40: "GATEWAY"      {
        !            41:                        yylval.number = KW_GATEWAY;
        !            42:                        return (KEYWORD);
        !            43:                }
        !            44: 
        !            45: "HOST"         {
        !            46:                        yylval.number = KW_HOST;
        !            47:                        return (KEYWORD);
        !            48:                }
        !            49: 
        !            50: {ALPHA}{NAMECHR}*{ANUM}        {
        !            51:                        yylval.namelist = newname(yytext);
        !            52:                        return (NAME);
        !            53:                }
        !            54: 
        !            55: {ALPHA}                {
        !            56:                        yylval.namelist = newname(yytext);
        !            57:                        return (NAME);
        !            58:                }
        !            59: 
        !            60: {DIGIT}+{ALPHA}{NAMECHR}* {
        !            61:                        fprintf(stderr, "Warning: nonstandard name \"%s\"\n",
        !            62:                                yytext);
        !            63:                        yylval.namelist = newname(yytext);
        !            64:                        return (NAME);
        !            65:                }
        !            66: 
        !            67: {DIGIT}+       {
        !            68:                        yylval.number = atoi(yytext);
        !            69:                        return (NUMBER);
        !            70:                }
        !            71: 
        !            72: "."            return ('.');
        !            73: ":"            return (':');
        !            74: ","            return (',');
        !            75: "/"            return ('/');
        !            76: ";".*          ;
        !            77: "\n"{BLANK}+   ;
        !            78: {BLANK}+       ;
        !            79: "\n"           return (END);
        !            80: .              fprintf(stderr, "Illegal char: '%s'\n", yytext);
        !            81: 
        !            82: %%
        !            83: 
        !            84: yywrap()
        !            85: {
        !            86:        return (1);
        !            87: }

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