[unix-history] / usr / src / usr.bin / error / main.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
 All rights reserved.\n";
#endif not lint

static	char *sccsid = "@(#)main.c	5.1 (Berkeley) %G%";
#include <stdio.h>
#include <ctype.h>
#include <signal.h>
#include "error.h"

int	nerrors = 0;
Eptr	er_head;
Eptr	*errors;	

int	nfiles = 0;
Eptr	**files;	/* array of pointers into errors*/
int	language = INCC;

char	*currentfilename = "????";
char	*processname;
char	im_on[] = "/dev/tty";	/* my tty name */

boolean	query = FALSE;		/* query the operator if touch files */
boolean	notouch = FALSE;	/* don't touch ANY files */
boolean	piflag	= FALSE;	/* this is not pi */
boolean	terse	= FALSE;	/* Terse output */

char	*suffixlist = ".*";	/* initially, can touch any file */

int	errorsort();
int	onintr();
/*
 *	error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile]
 *	
 *	-T:	terse output
 *
 *	-I:	the following name, `ignorename' contains a list of
 *		function names that are not to be treated as hard errors.
 *		Default: ~/.errorsrc
 *
 *	-n:	don't touch ANY files!
 *
 *	-q:	The user is to be queried before touching each
 *		file; if not specified, all files with hard, non
 *		ignorable errors are touched (assuming they can be).
 *
 *	-t:	touch only files ending with the list of suffices, each
 *		suffix preceded by a dot.
 *		eg, -t .c.y.l
 *		will touch only files ending with .c, .y or .l
 *
 *	-s:	print a summary of the error's categories.
 *
 *	-v:	after touching all files, overlay vi(1), ex(1) or ed(1)
 *		on top of error, entered in the first file with
 *		an error in it, with the appropriate editor
 *		set up to use the "next" command to get the other
 *		files containing errors.
 *
 *	-p:	(obsolete: for older versions of pi without bug
 *		fix regarding printing out the name of the main file
 *		with an error in it)
 *		Take the following argument and use it as the name of
 *		the pascal source file, suffix .p
 *
 *	-E:	show the errors in sorted order; intended for
 *		debugging.
 *
 *	-S:	show the errors in unsorted order
 *		(as they come from the error file)
 *
 *	infile:	The error messages come from this file.
 *		Default: stdin
 */
main(argc, argv)
	int	argc;
	char	*argv[];
{
	char	*cp;
	char	*ignorename = 0;
	int	ed_argc;
	char	**ed_argv;		/*return from touchfiles*/
	boolean	show_errors = FALSE;
	boolean	Show_Errors = FALSE;
	boolean	pr_summary = FALSE;
	boolean	edit_files = FALSE;

	processname = argv[0];

	errorfile = stdin;
	if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){
		for (cp = argv[1] + 1; *cp; cp++) switch(*cp){
		default:
			fprintf(stderr, "%s: -%c: Unknown flag\n",
				processname, *cp);
			break;

		case 'n':	notouch = TRUE;	break;
		case 'q':	query = TRUE;	break;
		case 'S':	Show_Errors = TRUE;	break;
		case 's':	pr_summary = TRUE;	break;
		case 'v':	edit_files = TRUE;	break;
		case 'T':	terse = TRUE;	break;
		case 't':
			*cp-- = 0; argv++; argc--;
			if (argc > 1){
				suffixlist = argv[1];
			}
			break;
		case 'I':	/*ignore file name*/
			*cp-- = 0; argv++; argc--;
			if (argc > 1)
				ignorename = argv[1];
			break;
		}
	}	
	if (notouch)
		suffixlist = 0;
	if (argc > 1){
		if (argc > 3){
			fprintf(stderr, "%s: Only takes 0 or 1 arguments\n",
				processname);
			exit(3);
		}
		if ( (errorfile = fopen(argv[1], "r")) == NULL){
			fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n",
				processname, argv[1]);
			exit(4);
		}
	}
	if ( (queryfile = fopen(im_on, "r")) == NULL){
		if (query){
			fprintf(stderr,
				"%s: Can't open \"%s\" to query the user.\n",
				processname, im_on);
			exit(9);
		}
	}
	if (signal(SIGINT, onintr) == SIG_IGN)
		signal(SIGINT, SIG_IGN);
	if (signal(SIGTERM, onintr) == SIG_IGN)
		signal(SIGTERM, SIG_IGN);
	getignored(ignorename);
	eaterrors(&nerrors, &errors);
	if (Show_Errors)
		printerrors(TRUE, nerrors, errors);
	qsort(errors, nerrors, sizeof(Eptr), errorsort);
	if (show_errors)
		printerrors(FALSE, nerrors, errors);
	findfiles(nerrors, errors, &nfiles, &files);
#define P(msg, arg) fprintf(stdout, msg, arg)
	if (pr_summary){
	    if (nunknown)
	      P("%d Errors are unclassifiable.\n", nunknown);
	    if (nignore)
	      P("%d Errors are classifiable, but totally discarded.\n",nignore);
	    if (nsyncerrors)
	      P("%d Errors are synchronization errors.\n", nsyncerrors);
	    if (nignore)
	      P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard);
	    if (nnulled)
	      P("%d Errors are nulled because they refer to specific functions.\n", nnulled);
	    if (nnonspec)
	      P("%d Errors are not specific to any file.\n", nnonspec);
	    if (nthisfile)
	      P("%d Errors are specific to a given file, but not to a line.\n", nthisfile);
	    if (ntrue)
	      P("%d Errors are true errors, and can be inserted into the files.\n", ntrue);
	}
	filenames(nfiles, files);
	fflush(stdout);
	if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
		forkvi(ed_argc, ed_argv);
}

forkvi(argc, argv)
	int	argc;
	char	**argv;
{
	if (query){
		switch(inquire(terse
		    ? "Edit? "
		    : "Do you still want to edit the files you touched? ")){
		case Q_NO:
		case Q_no:
			return;
		default:
			break;
		}
	}
	/*
	 *	ed_agument's first argument is
	 *	a vi/ex compatabile search argument
	 *	to find the first occurance of ###
	 */
	try("vi", argc, argv);
	try("ex", argc, argv);
	try("ed", argc-1, argv+1);
	fprintf(stdout, "Can't find any editors.\n");
}

try(name, argc, argv)
	char	*name;
	int	argc;
	char	**argv;
{
	argv[0] = name;
	wordvprint(stdout, argc, argv);
	fprintf(stdout, "\n");
	fflush(stderr);
	fflush(stdout);
	sleep(2);
	if (freopen(im_on, "r", stdin) == NULL)
		return;
	if (freopen(im_on, "w", stdout) == NULL)
		return;
	execvp(name, argv);
}

int errorsort(epp1, epp2)
		Eptr	*epp1, *epp2;
{
	reg	Eptr	ep1, ep2;
		int	order;
	/*
	 *	Sort by:
	 *	1)	synchronization, non specific, discarded errors first;
	 *	2)	nulled and true errors last
	 *		a)	grouped by similar file names
	 *			1)	grouped in ascending line number
	 */
	ep1 = *epp1; ep2 = *epp2;
	if (ep1 == 0 || ep2 == 0)
		return(0);
	if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){
		return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1);
	}
	if (NOTSORTABLE(ep1->error_e_class))	/* then both are */
		return(ep1->error_no - ep2->error_no);
	order = strcmp(ep1->error_text[0], ep2->error_text[0]);
	if (order == 0){
		return(ep1->error_line - ep2->error_line);
	}
	return(order);
}
Commit	Line	Data
442fe3bf DF	1	/*
	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
	7	#ifndef lint
	8	char copyright[] =
	9	"@(#) Copyright (c) 1980 Regents of the University of California.\n\
	10	All rights reserved.\n";
	11	#endif not lint
	12
	13	static char *sccsid = "@(#)main.c 5.1 (Berkeley) %G%";
ad33082a BJ	14	#include <stdio.h>
	15	#include <ctype.h>
	16	#include <signal.h>
	17	#include "error.h"
	18
	19	int nerrors = 0;
58195f21 RH	20	Eptr er_head;
58195f21 RH	21	Eptr *errors;
ad33082a BJ	22
ad33082a BJ	23	int nfiles = 0;
58195f21	24	Eptr *files; / array of pointers into errors*/
ad33082a BJ	25	int language = INCC;
	26
	27	char *currentfilename = "????";
	28	char *processname;
7799334e	29	char im_on[] = "/dev/tty"; /* my tty name */
ad33082a BJ	30
	31	boolean query = FALSE; /* query the operator if touch files */
	32	boolean notouch = FALSE; /* don't touch ANY files */
	33	boolean piflag = FALSE; /* this is not pi */
58195f21	34	boolean terse = FALSE; /* Terse output */
ad33082a BJ	35
	36	char suffixlist = "."; /* initially, can touch any file */
	37
	38	int errorsort();
	39	int onintr();
	40	/*
	41	* error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile]
	42	*
58195f21 RH	43	* -T: terse output
58195f21 RH	44	*
ad33082a BJ	45	* -I: the following name, `ignorename' contains a list of
	46	* function names that are not to be treated as hard errors.
	47	* Default: ~/.errorsrc
	48	*
	49	* -n: don't touch ANY files!
	50	*
	51	* -q: The user is to be queried before touching each
	52	* file; if not specified, all files with hard, non
	53	* ignorable errors are touched (assuming they can be).
	54	*
	55	* -t: touch only files ending with the list of suffices, each
	56	* suffix preceded by a dot.
	57	* eg, -t .c.y.l
	58	* will touch only files ending with .c, .y or .l
	59	*
	60	* -s: print a summary of the error's categories.
	61	*
	62	* -v: after touching all files, overlay vi(1), ex(1) or ed(1)
	63	* on top of error, entered in the first file with
	64	* an error in it, with the appropriate editor
	65	* set up to use the "next" command to get the other
	66	* files containing errors.
	67	*
	68	* -p: (obsolete: for older versions of pi without bug
	69	* fix regarding printing out the name of the main file
	70	* with an error in it)
	71	* Take the following argument and use it as the name of
	72	* the pascal source file, suffix .p
	73	*
	74	* -E: show the errors in sorted order; intended for
	75	* debugging.
	76	*
	77	* -S: show the errors in unsorted order
	78	* (as they come from the error file)
	79	*
	80	* infile: The error messages come from this file.
	81	* Default: stdin
	82	*/
	83	main(argc, argv)
	84	int argc;
	85	char *argv[];
	86	{
	87	char *cp;
	88	char *ignorename = 0;
	89	int ed_argc;
	90	char *ed_argv; /return from touchfiles*/
	91	boolean show_errors = FALSE;
	92	boolean Show_Errors = FALSE;
	93	boolean pr_summary = FALSE;
	94	boolean edit_files = FALSE;
	95
	96	processname = argv[0];
	97
	98	errorfile = stdin;
58195f21 RH	99	if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){
	100	for (cp = argv[1] + 1; cp; cp++) switch(cp){
	101	default:
	102	fprintf(stderr, "%s: -%c: Unknown flag\n",
	103	processname, *cp);
	104	break;
	105
	106	case 'n': notouch = TRUE; break;
	107	case 'q': query = TRUE; break;
	108	case 'S': Show_Errors = TRUE; break;
	109	case 's': pr_summary = TRUE; break;
	110	case 'v': edit_files = TRUE; break;
	111	case 'T': terse = TRUE; break;
58195f21 RH	112	case 't':
	113	*cp-- = 0; argv++; argc--;
	114	if (argc > 1){
	115	suffixlist = argv[1];
	116	}
	117	break;
	118	case 'I': /ignore file name/
	119	*cp-- = 0; argv++; argc--;
	120	if (argc > 1)
	121	ignorename = argv[1];
	122	break;
	123	}
	124	}
ad33082a BJ	125	if (notouch)
	126	suffixlist = 0;
	127	if (argc > 1){
	128	if (argc > 3){
	129	fprintf(stderr, "%s: Only takes 0 or 1 arguments\n",
	130	processname);
	131	exit(3);
	132	}
	133	if ( (errorfile = fopen(argv[1], "r")) == NULL){
	134	fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n",
	135	processname, argv[1]);
	136	exit(4);
	137	}
	138	}
ad33082a	139	if ( (queryfile = fopen(im_on, "r")) == NULL){
7799334e RC	140	if (query){
	141	fprintf(stderr,
	142	"%s: Can't open \"%s\" to query the user.\n",
	143	processname, im_on);
	144	exit(9);
	145	}
ad33082a BJ	146	}
	147	if (signal(SIGINT, onintr) == SIG_IGN)
	148	signal(SIGINT, SIG_IGN);
	149	if (signal(SIGTERM, onintr) == SIG_IGN)
	150	signal(SIGTERM, SIG_IGN);
	151	getignored(ignorename);
	152	eaterrors(&nerrors, &errors);
	153	if (Show_Errors)
	154	printerrors(TRUE, nerrors, errors);
58195f21	155	qsort(errors, nerrors, sizeof(Eptr), errorsort);
ad33082a BJ	156	if (show_errors)
	157	printerrors(FALSE, nerrors, errors);
	158	findfiles(nerrors, errors, &nfiles, &files);
	159	#define P(msg, arg) fprintf(stdout, msg, arg)
	160	if (pr_summary){
	161	if (nunknown)
	162	P("%d Errors are unclassifiable.\n", nunknown);
	163	if (nignore)
	164	P("%d Errors are classifiable, but totally discarded.\n",nignore);
	165	if (nsyncerrors)
	166	P("%d Errors are synchronization errors.\n", nsyncerrors);
	167	if (nignore)
	168	P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard);
	169	if (nnulled)
	170	P("%d Errors are nulled because they refer to specific functions.\n", nnulled);
	171	if (nnonspec)
	172	P("%d Errors are not specific to any file.\n", nnonspec);
	173	if (nthisfile)
	174	P("%d Errors are specific to a given file, but not to a line.\n", nthisfile);
	175	if (ntrue)
	176	P("%d Errors are true errors, and can be inserted into the files.\n", ntrue);
	177	}
	178	filenames(nfiles, files);
	179	fflush(stdout);
58195f21 RH	180	if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
	181	forkvi(ed_argc, ed_argv);
	182	}
	183
	184	forkvi(argc, argv)
	185	int argc;
	186	char **argv;
	187	{
	188	if (query){
	189	switch(inquire(terse
	190	? "Edit? "
	191	: "Do you still want to edit the files you touched? ")){
	192	case Q_NO:
	193	case Q_no:
	194	return;
	195	default:
	196	break;
ad33082a BJ	197	}
ad33082a BJ	198	}
58195f21 RH	199	/*
	200	* ed_agument's first argument is
	201	* a vi/ex compatabile search argument
	202	* to find the first occurance of ###
	203	*/
	204	try("vi", argc, argv);
	205	try("ex", argc, argv);
	206	try("ed", argc-1, argv+1);
	207	fprintf(stdout, "Can't find any editors.\n");
ad33082a BJ	208	}
	209
	210	try(name, argc, argv)
	211	char *name;
	212	int argc;
	213	char **argv;
	214	{
	215	argv[0] = name;
	216	wordvprint(stdout, argc, argv);
	217	fprintf(stdout, "\n");
	218	fflush(stderr);
	219	fflush(stdout);
	220	sleep(2);
	221	if (freopen(im_on, "r", stdin) == NULL)
	222	return;
	223	if (freopen(im_on, "w", stdout) == NULL)
	224	return;
	225	execvp(name, argv);
	226	}
	227
	228	int errorsort(epp1, epp2)
58195f21	229	Eptr epp1, epp2;
ad33082a	230	{
58195f21 RH	231	reg Eptr ep1, ep2;
58195f21 RH	232	int order;
ad33082a BJ	233	/*
	234	* Sort by:
	235	* 1) synchronization, non specific, discarded errors first;
	236	* 2) nulled and true errors last
	237	* a) grouped by similar file names
	238	* 1) grouped in ascending line number
	239	*/
	240	ep1 = epp1; ep2 = epp2;
	241	if (ep1 == 0 \|\| ep2 == 0)
	242	return(0);
	243	if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){
	244	return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1);
	245	}
	246	if (NOTSORTABLE(ep1->error_e_class)) /* then both are */
	247	return(ep1->error_no - ep2->error_no);
	248	order = strcmp(ep1->error_text[0], ep2->error_text[0]);
	249	if (order == 0){
	250	return(ep1->error_line - ep2->error_line);
	251	}
	252	return(order);
	253	}