1 /* -*- mode: fundamental; indent-tabs-mode: t; -*- */
2 %{
3 
4 /*
5  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <err.h>
21 #include <errno.h>
22 
23 #include "gmid.h"
24 
25 #include "y.tab.h"
26 
27 %}
28 
29 %x COMMENT
30 %x STRING
31 
32 %%
33 
34 <INITIAL>#	BEGIN(COMMENT);
35 <COMMENT>.*\n	yylineno++; BEGIN(INITIAL);
36 
37 <INITIAL>\"	BEGIN(STRING);
38 <STRING>[^"]*\"	{
39 	if ((yylval.str = strdup(yytext)) == NULL)
40 		err(1, "strdup");
41 	yylval.str[strlen(yylval.str)-1] = '\0'; /* remove the closing quote */
42 	BEGIN(INITIAL);
43 	return TSTRING;
44 }
45 
46 [0-9]+		{
47 	yylval.num = parse_portno(yytext);
48 	return TNUM;
49 }
50 
51 off		yylval.num = 0; return TBOOL;
52 on		yylval.num = 1; return TBOOL;
53 
54 alias		return TALIAS;
55 auto		return TAUTO;
56 block		return TBLOCK;
57 ca		return TCA;
58 cert		return TCERT;
59 cgi		return TCGI;
60 chroot		return TCHROOT;
61 client		return TCLIENT;
62 default		return TDEFAULT;
63 entrypoint	return TENTRYPOINT;
64 env		return TENV;
65 index		return TINDEX;
66 ipv6		return TIPV6;
67 key		return TKEY;
68 lang		return TLANG;
69 location	return TLOCATION;
70 log		return TLOG;
71 mime		return TMIME;
72 port		return TPORT;
73 prefork		return TPREFORK;
74 protocols	return TPROTOCOLS;
75 require		return TREQUIRE;
76 return		return TRETURN;
77 root		return TROOT;
78 server		return TSERVER;
79 strip		return TSTRIP;
80 type		return TTYPE;
81 user		return TUSER;
82 
83 [{}]		return *yytext;
84 
85 \n		yylineno++;
86 
87 [ \f\r\t\v]+	;
88 
89 .		yyerror("unexpected character: %c", *yytext); exit(1);
90 
91 %%
92 
93 int
94 yywrap(void)
95 {
96 	return 1;
97 }