projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 408c6ae3 | 1 | %{ |
| b8c620d6 | 2 | |
| 528b0614 DF |
3 | /* |
| 4 | * Copyright (c) 1983 Regents of the University of California. | |
| 40d8a0c1 KB |
5 | * All rights reserved. |
| 6 | * | |
| 7 | * Redistribution and use in source and binary forms are permitted | |
| b8c620d6 KB |
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. | |
| 528b0614 DF |
18 | */ |
| 19 | ||
| 20 | #ifndef lint | |
| d61f36f1 | 21 | static char sccsid[] = "@(#)scan.l 5.7 (Berkeley) %G%"; |
| 40d8a0c1 | 22 | #endif /* not lint */ |
| 408c6ae3 | 23 | |
| d61f36f1 KB |
24 | extern int yylineno; |
| 25 | int yylineno = 1; | |
| 26 | ||
| 408c6ae3 SL |
27 | #include "y.tab.h" |
| 28 | #include "htable.h" | |
| 29 | %} | |
| 30 | ||
| 31 | BLANK [ \t] | |
| 32 | DIGIT [0-9] | |
| 1b346527 MK |
33 | ALPHA [A-Za-z] |
| 34 | ANUM [0-9A-Za-z] | |
| 35 | NAMECHR [0-9A-Za-z./-] | |
| 408c6ae3 SL |
36 | |
| 37 | %% | |
| 38 | "NET" { | |
| 39 | yylval.number = KW_NET; | |
| 40 | return (KEYWORD); | |
| 41 | } | |
| 42 | ||
| 43 | "GATEWAY" { | |
| 44 | yylval.number = KW_GATEWAY; | |
| 45 | return (KEYWORD); | |
| 46 | } | |
| 47 | ||
| 48 | "HOST" { | |
| 49 | yylval.number = KW_HOST; | |
| 50 | return (KEYWORD); | |
| 51 | } | |
| 52 | ||
| 53 | {ALPHA}{NAMECHR}*{ANUM} { | |
| 54 | yylval.namelist = newname(yytext); | |
| 55 | return (NAME); | |
| 56 | } | |
| 57 | ||
| 295f3778 RC |
58 | {ALPHA} { |
| 59 | yylval.namelist = newname(yytext); | |
| 60 | return (NAME); | |
| 61 | } | |
| 408c6ae3 | 62 | |
| 99973219 MK |
63 | {DIGIT}+{ALPHA}{NAMECHR}* { |
| 64 | fprintf(stderr, "Warning: nonstandard name \"%s\"\n", | |
| 65 | yytext); | |
| 66 | yylval.namelist = newname(yytext); | |
| 67 | return (NAME); | |
| 68 | } | |
| 69 | ||
| 408c6ae3 SL |
70 | {DIGIT}+ { |
| 71 | yylval.number = atoi(yytext); | |
| 72 | return (NUMBER); | |
| 73 | } | |
| 74 | ||
| 75 | "." return ('.'); | |
| 76 | ":" return (':'); | |
| 77 | "," return (','); | |
| 78 | "/" return ('/'); | |
| 79 | ";".* ; | |
| d61f36f1 | 80 | "\n"{BLANK}+ ++yylineno; |
| 408c6ae3 | 81 | {BLANK}+ ; |
| d61f36f1 | 82 | "\n" ++yylineno; return (END); |
| 408c6ae3 SL |
83 | . fprintf(stderr, "Illegal char: '%s'\n", yytext); |
| 84 | ||
| 85 | %% |