1/*	$NetBSD: main1.c,v 1.18 2008/05/02 15:10:05 christos Exp $	*/
2
3/*
4 * Copyright (c) 1994, 1995 Jochen Pohl
5 * All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Jochen Pohl for
18 *	The NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#if HAVE_NBTOOL_CONFIG_H
35#include "nbtool_config.h"
36#endif
37
38#include <sys/cdefs.h>
39#if defined(__RCSID) && !defined(lint)
40__RCSID("$NetBSD: main1.c,v 1.18 2008/05/02 15:10:05 christos Exp $");
41#endif
42
43#include <sys/types.h>
44#include <stdio.h>
45#include <string.h>
46#include <stdlib.h>
47#include <unistd.h>
48#include <errno.h>
49#include <limits.h>
50#include <signal.h>
51
52#include "lint1.h"
53
54/* set yydebug to 1*/
55int	yflag;
56
57/*
58 * Print warnings if an assignment of an integertype to another integertype
59 * causes an implicit narrowing conversion. If aflag is 1, these warnings
60 * are printed only if the source type is at least as wide as long. If aflag
61 * is greater than 1, they are always printed.
62 */
63int	aflag;
64
65/* Print a warning if a break statement cannot be reached. */
66int	bflag;
67
68/* Print warnings for pointer casts. */
69int	cflag;
70
71/* Print various debug information. */
72int	dflag;
73
74/* Perform stricter checking of enum types and operations on enum types. */
75int	eflag;
76
77/* Print complete pathnames, not only the basename. */
78int	Fflag;
79
80/* Enable some extensions of gcc */
81int	gflag;
82
83/* Treat warnings as errors */
84int	wflag;
85
86/*
87 * Apply a number of heuristic tests to attempt to intuit bugs, improve
88 * style, and reduce waste.
89 */
90int	hflag;
91
92/* Attempt to check portability to other dialects of C. */
93int	pflag;
94
95/*
96 * In case of redeclarations/redefinitions print the location of the
97 * previous declaration/definition.
98 */
99int	rflag;
100
101/* Strict ANSI C mode. */
102int	sflag;
103
104/* Traditional C mode. */
105int	tflag;
106
107/* Enable C9X extensions */
108int	Sflag;
109
110/* Picky flag */
111int	Pflag;
112
113/*
114 * Complain about functions and external variables used and not defined,
115 * or defined and not used.
116 */
117int	uflag = 1;
118
119/* Complain about unused function arguments. */
120int	vflag = 1;
121
122/* Complain about structures which are never defined. */
123int	zflag = 1;
124
125err_set	msgset;
126
127sig_atomic_t fpe;
128
129static	void	usage(void);
130
131int main(int, char *[]);
132
133/*ARGSUSED*/
134static void
135sigfpe(int s)
136{
137	fpe = 1;
138}
139
140int
141main(int argc, char *argv[])
142{
143	int	c;
144	char	*ptr;
145
146	setprogname(argv[0]);
147
148	ERR_ZERO(&msgset);
149	while ((c = getopt(argc, argv, "abcdeghmprstuvwyzFPSX:")) != -1) {
150		switch (c) {
151		case 'a':	aflag++;	break;
152		case 'b':	bflag = 1;	break;
153		case 'c':	cflag = 1;	break;
154		case 'd':	dflag = 1;	break;
155		case 'e':	eflag = 1;	break;
156		case 'F':	Fflag = 1;	break;
157		case 'g':	gflag = 1;	break;
158		case 'h':	hflag = 1;	break;
159		case 'p':	pflag = 1;	break;
160		case 'P':	Pflag = 1;	break;
161		case 'r':	rflag = 1;	break;
162		case 's':	sflag = 1;	break;
163		case 'S':	Sflag = 1;	break;
164		case 't':	tflag = 1;	break;
165		case 'u':	uflag = 0;	break;
166		case 'w':	wflag = 1;	break;
167		case 'v':	vflag = 0;	break;
168		case 'y':	yflag = 1;	break;
169		case 'z':	zflag = 0;	break;
170
171		case 'm':
172			msglist();
173			return(0);
174
175		case 'X':
176			for (ptr = strtok(optarg, ","); ptr;
177			    ptr = strtok(NULL, ",")) {
178				char *eptr;
179				long msg;
180
181				errno = 0;
182				msg = strtol(ptr, &eptr, 0);
183				if ((msg == LONG_MIN || msg == LONG_MAX) &&
184				    errno == ERANGE)
185				    err(1, "invalid error message id '%s'",
186					ptr);
187				if (*eptr || ptr == eptr || msg < 0 ||
188				    msg >= ERR_SETSIZE)
189					errx(1, "invalid error message id '%s'",
190					    ptr);
191				ERR_SET(msg, &msgset);
192			}
193			break;
194		case '?':
195		default:
196			usage();
197			break;
198		}
199	}
200	argc -= optind;
201	argv += optind;
202
203	if (argc != 2)
204		usage();
205
206	/* open the input file */
207	if ((yyin = fopen(argv[0], "r")) == NULL)
208		err(1, "cannot open '%s'", argv[0]);
209
210	/* initialize output */
211	outopen(argv[1]);
212
213	if (yflag)
214		yydebug = 1;
215
216	(void)signal(SIGFPE, sigfpe);
217	initmem();
218	initdecl();
219	initscan();
220	initmtab();
221
222	yyparse();
223
224	/* Following warnings cannot be suppressed by LINTED */
225	nowarn = 0;
226#ifdef DEBUG
227	printf("%s, %d: nowarn = 0\n", curr_pos.p_file, curr_pos.p_line);
228#endif
229
230	chkglsyms();
231
232	outclose();
233
234	return (nerr != 0);
235}
236
237static void
238usage(void)
239{
240	(void)fprintf(stderr,
241	    "Usage: %s [-abcdeghmprstuvwyzFS] [-X <id>[,<id>]... src dest\n",
242	    getprogname());
243	exit(1);
244}
245
246void
247norecover(void)
248{
249	/* cannot recover from previous errors */
250	error(224);
251	exit(1);
252}
253