Silence warnings regarding yyunput being defined and never used.
[dragonfly.git] / usr.bin / mkcsmapper / lex.l
CommitLineData
30e4e410 1/* $NetBSD: src/usr.bin/mkcsmapper/lex.l,v 1.3 2003/10/27 00:12:43 lukem Exp $ */
602a912d 2/* $DragonFly: src/usr.bin/mkcsmapper/lex.l,v 1.2 2006/09/09 23:24:43 pavalos Exp $ */
30e4e410
JS
3
4%{
5/*-
6 * Copyright (c)2003 Citrus Project,
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <sys/endian.h>
32#include <assert.h>
33#include <errno.h>
34#include <limits.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38
39#include "ldef.h"
40#include "yacc.h"
41
602a912d
PA
42#define YY_NO_UNPUT
43
30e4e410
JS
44int line_number = 1;
45%}
46
47%x COMMENT
48
49%%
50
51[ \t]+ { }
52#.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); }
53
54"/*" { BEGIN COMMENT; }
55<COMMENT>"*/" { BEGIN 0; }
56<COMMENT>[\n] { line_number++; }
57<COMMENT>. { }
58<COMMENT><<EOF>> {
59 yyerror("unexpected file end (unterminate comment)\n");
60 exit(1);
61 }
62
63"="|"/"|"-" { return (int)yytext[0]; }
64
65([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) {
66 yylval.i_value = strtoul(yytext, NULL, 0);
67 return L_IMM;
68 }
69
70"TYPE" { return (R_TYPE); }
71"NAME" { return (R_NAME); }
72"SRC_ZONE" { return (R_SRC_ZONE); }
73"DST_INVALID" { return (R_DST_INVALID); }
74"DST_ILSEQ" { return (R_DST_ILSEQ); }
75"DST_UNIT_BITS" { return (R_DST_UNIT_BITS); }
76"BEGIN_MAP" { return (R_BEGIN_MAP); }
77"END_MAP" { return (R_END_MAP); }
78"INVALID" { return (R_INVALID); }
79"ILSEQ" { return (R_ILSEQ); }
80"OOB_MODE" { return (R_OOB_MODE); }
81"ROWCOL" { return (R_ROWCOL); }
82
83\"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' {
84 size_t len;
85 len = strlen(yytext);
86 yylval.s_value = malloc(len-1);
87 strlcpy(yylval.s_value, yytext+1, len-1);
88 return L_STRING;
89 }
90[^ =/\-0-9\t\n][^ \t\n]* {
91 yylval.s_value = strdup(yytext);
92 return L_STRING;
93 }
94
95%%
96
97#ifndef yywrap
98int
99yywrap(void)
100{
101 return (1);
102}
103#endif