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Diffstat (limited to 'usr.bin/xlint/lint1/main1.c')
| -rw-r--r-- | usr.bin/xlint/lint1/main1.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/usr.bin/xlint/lint1/main1.c b/usr.bin/xlint/lint1/main1.c new file mode 100644 index 0000000..0add206 --- /dev/null +++ b/usr.bin/xlint/lint1/main1.c @@ -0,0 +1,183 @@ +/* $NetBSD: main1.c,v 1.3 1995/10/02 17:29:56 jpo Exp $ */ + +/* + * Copyright (c) 1994, 1995 Jochen Pohl + * All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jochen Pohl for + * The NetBSD Project. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef lint +static char rcsid[] = "$NetBSD: main1.c,v 1.3 1995/10/02 17:29:56 jpo Exp $"; +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <err.h> + +#include "lint1.h" + +/* set yydebug to 1*/ +int yflag; + +/* + * Print warnings if an assignment of an integertype to another integertype + * causes an implizit narrowing conversion. If aflag is 1, these warnings + * are printed only if the source type is at least as wide as long. If aflag + * is greather then 1, they are always printed. + */ +int aflag; + +/* Print a warning if a break statement cannot be reached. */ +int bflag; + +/* Print warnings for pointer casts. */ +int cflag; + +/* Print various debug information. */ +int dflag; + +/* Perform stricter checking of enum types and operations on enum types. */ +int eflag; + +/* Print complete pathnames, not only the basename. */ +int Fflag; + +/* Enable some extensions of gcc */ +int gflag; + +/* + * Apply a number of heuristic tests to attempt to intuit bugs, improve + * style, and reduce waste. + */ +int hflag; + +/* Attempt to check portability to other dialects of C. */ +int pflag; + +/* + * In case of redeclarations/redefinitions print the location of the + * previous declaration/definition. + */ +int rflag; + +/* Strict ANSI C mode. */ +int sflag; + +/* Traditional C mode. */ +int tflag; + +/* + * Complain about functions and external variables used and not defined, + * or defined and not used. + */ +int uflag = 1; + +/* Complain about unused function arguments. */ +int vflag = 1; + +/* Complain about structures which are never defined. */ +int zflag = 1; + +static void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int c; + + while ((c = getopt(argc, argv, "abcdeghprstuvyzF")) != -1) { + switch (c) { + case 'a': aflag++; break; + case 'b': bflag = 1; break; + case 'c': cflag = 1; break; + case 'd': dflag = 1; break; + case 'e': eflag = 1; break; + case 'F': Fflag = 1; break; + case 'g': gflag = 1; break; + case 'h': hflag = 1; break; + case 'p': pflag = 1; break; + case 'r': rflag = 1; break; + case 's': sflag = 1; break; + case 't': tflag = 1; break; + case 'u': uflag = 0; break; + case 'v': vflag = 0; break; + case 'y': yflag = 1; break; + case 'z': zflag = 0; break; + case '?': usage(); + } + } + argc -= optind; + argv += optind; + + if (argc != 2) + usage(); + + /* open the input file */ + if ((yyin = fopen(argv[0], "r")) == NULL) + err(1, "cannot open '%s'", argv[0]); + + /* initialize output */ + outopen(argv[1]); + + if (yflag) + yydebug = 1; + + initmem(); + initdecl(); + initscan(); + initmtab(); + + yyparse(); + + /* Following warnings cannot be suppressed by LINTED */ + nowarn = 0; + + chkglsyms(); + + outclose(); + + return (nerr != 0); +} + +static void +usage() +{ + (void)fprintf(stderr, "usage: lint1 [-abcdeghprstuvyzF] src dest\n"); + exit(1); +} + +void +norecover() +{ + /* cannot recover from previous errors */ + error(224); + exit(1); +} |
