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

static	char *sccsid = "@(#)main.c	1.3 (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;			/* 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;
#ifndef ERNIE
		case 'p':
			*cp-- = 0; argv++; argc--;
			if (argc > 1){
				currentfilename = argv[1];
				piflag = TRUE;
			}
			break;
#endif
		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);
		}
	}
	im_on = "/dev/tty";
	if ( (queryfile = fopen(im_on, "r")) == NULL){
		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
58195f21	1	static char *sccsid = "@(#)main.c 1.3 (Berkeley) %G%";
ad33082a BJ	2	#include <stdio.h>
	3	#include <ctype.h>
	4	#include <signal.h>
	5	#include "error.h"
	6
	7	int nerrors = 0;
58195f21 RH	8	Eptr er_head;
58195f21 RH	9	Eptr *errors;
ad33082a BJ	10
ad33082a BJ	11	int nfiles = 0;
58195f21	12	Eptr *files; / array of pointers into errors*/
ad33082a BJ	13	int language = INCC;
	14
	15	char *currentfilename = "????";
	16	char *processname;
	17	char im_on; / my tty name */
	18
	19	boolean query = FALSE; /* query the operator if touch files */
	20	boolean notouch = FALSE; /* don't touch ANY files */
	21	boolean piflag = FALSE; /* this is not pi */
58195f21	22	boolean terse = FALSE; /* Terse output */
ad33082a BJ	23
	24	char suffixlist = "."; /* initially, can touch any file */
	25
	26	int errorsort();
	27	int onintr();
	28	/*
	29	* error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile]
	30	*
58195f21 RH	31	* -T: terse output
58195f21 RH	32	*
ad33082a BJ	33	* -I: the following name, `ignorename' contains a list of
	34	* function names that are not to be treated as hard errors.
	35	* Default: ~/.errorsrc
	36	*
	37	* -n: don't touch ANY files!
	38	*
	39	* -q: The user is to be queried before touching each
	40	* file; if not specified, all files with hard, non
	41	* ignorable errors are touched (assuming they can be).
	42	*
	43	* -t: touch only files ending with the list of suffices, each
	44	* suffix preceded by a dot.
	45	* eg, -t .c.y.l
	46	* will touch only files ending with .c, .y or .l
	47	*
	48	* -s: print a summary of the error's categories.
	49	*
	50	* -v: after touching all files, overlay vi(1), ex(1) or ed(1)
	51	* on top of error, entered in the first file with
	52	* an error in it, with the appropriate editor
	53	* set up to use the "next" command to get the other
	54	* files containing errors.
	55	*
	56	* -p: (obsolete: for older versions of pi without bug
	57	* fix regarding printing out the name of the main file
	58	* with an error in it)
	59	* Take the following argument and use it as the name of
	60	* the pascal source file, suffix .p
	61	*
	62	* -E: show the errors in sorted order; intended for
	63	* debugging.
	64	*
	65	* -S: show the errors in unsorted order
	66	* (as they come from the error file)
	67	*
	68	* infile: The error messages come from this file.
	69	* Default: stdin
	70	*/
	71	main(argc, argv)
	72	int argc;
	73	char *argv[];
	74	{
	75	char *cp;
	76	char *ignorename = 0;
	77	int ed_argc;
	78	char *ed_argv; /return from touchfiles*/
	79	boolean show_errors = FALSE;
	80	boolean Show_Errors = FALSE;
	81	boolean pr_summary = FALSE;
	82	boolean edit_files = FALSE;
	83
	84	processname = argv[0];
	85
	86	errorfile = stdin;
58195f21 RH	87	if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){
	88	for (cp = argv[1] + 1; cp; cp++) switch(cp){
	89	default:
	90	fprintf(stderr, "%s: -%c: Unknown flag\n",
	91	processname, *cp);
	92	break;
	93
	94	case 'n': notouch = TRUE; break;
	95	case 'q': query = TRUE; break;
	96	case 'S': Show_Errors = TRUE; break;
	97	case 's': pr_summary = TRUE; break;
	98	case 'v': edit_files = TRUE; break;
	99	case 'T': terse = TRUE; break;
ad33082a	100	#ifndef ERNIE
58195f21 RH	101	case 'p':
	102	*cp-- = 0; argv++; argc--;
	103	if (argc > 1){
	104	currentfilename = argv[1];
	105	piflag = TRUE;
	106	}
	107	break;
ad33082a	108	#endif
58195f21 RH	109	case 't':
	110	*cp-- = 0; argv++; argc--;
	111	if (argc > 1){
	112	suffixlist = argv[1];
	113	}
	114	break;
	115	case 'I': /ignore file name/
	116	*cp-- = 0; argv++; argc--;
	117	if (argc > 1)
	118	ignorename = argv[1];
	119	break;
	120	}
	121	}
ad33082a BJ	122	if (notouch)
	123	suffixlist = 0;
	124	if (argc > 1){
	125	if (argc > 3){
	126	fprintf(stderr, "%s: Only takes 0 or 1 arguments\n",
	127	processname);
	128	exit(3);
	129	}
	130	if ( (errorfile = fopen(argv[1], "r")) == NULL){
	131	fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n",
	132	processname, argv[1]);
	133	exit(4);
	134	}
	135	}
8f46d9dc	136	im_on = "/dev/tty";
ad33082a BJ	137	if ( (queryfile = fopen(im_on, "r")) == NULL){
	138	fprintf(stderr,"%s: Can't open \"%s\" to query the user.\n",
	139	processname, im_on);
	140	exit(9);
	141	}
	142	if (signal(SIGINT, onintr) == SIG_IGN)
	143	signal(SIGINT, SIG_IGN);
	144	if (signal(SIGTERM, onintr) == SIG_IGN)
	145	signal(SIGTERM, SIG_IGN);
	146	getignored(ignorename);
	147	eaterrors(&nerrors, &errors);
	148	if (Show_Errors)
	149	printerrors(TRUE, nerrors, errors);
58195f21	150	qsort(errors, nerrors, sizeof(Eptr), errorsort);
ad33082a BJ	151	if (show_errors)
	152	printerrors(FALSE, nerrors, errors);
	153	findfiles(nerrors, errors, &nfiles, &files);
	154	#define P(msg, arg) fprintf(stdout, msg, arg)
	155	if (pr_summary){
	156	if (nunknown)
	157	P("%d Errors are unclassifiable.\n", nunknown);
	158	if (nignore)
	159	P("%d Errors are classifiable, but totally discarded.\n",nignore);
	160	if (nsyncerrors)
	161	P("%d Errors are synchronization errors.\n", nsyncerrors);
	162	if (nignore)
	163	P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard);
	164	if (nnulled)
	165	P("%d Errors are nulled because they refer to specific functions.\n", nnulled);
	166	if (nnonspec)
	167	P("%d Errors are not specific to any file.\n", nnonspec);
	168	if (nthisfile)
	169	P("%d Errors are specific to a given file, but not to a line.\n", nthisfile);
	170	if (ntrue)
	171	P("%d Errors are true errors, and can be inserted into the files.\n", ntrue);
	172	}
	173	filenames(nfiles, files);
	174	fflush(stdout);
58195f21 RH	175	if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files)
	176	forkvi(ed_argc, ed_argv);
	177	}
	178
	179	forkvi(argc, argv)
	180	int argc;
	181	char **argv;
	182	{
	183	if (query){
	184	switch(inquire(terse
	185	? "Edit? "
	186	: "Do you still want to edit the files you touched? ")){
	187	case Q_NO:
	188	case Q_no:
	189	return;
	190	default:
	191	break;
ad33082a BJ	192	}
ad33082a BJ	193	}
58195f21 RH	194	/*
	195	* ed_agument's first argument is
	196	* a vi/ex compatabile search argument
	197	* to find the first occurance of ###
	198	*/
	199	try("vi", argc, argv);
	200	try("ex", argc, argv);
	201	try("ed", argc-1, argv+1);
	202	fprintf(stdout, "Can't find any editors.\n");
ad33082a BJ	203	}
	204
	205	try(name, argc, argv)
	206	char *name;
	207	int argc;
	208	char **argv;
	209	{
	210	argv[0] = name;
	211	wordvprint(stdout, argc, argv);
	212	fprintf(stdout, "\n");
	213	fflush(stderr);
	214	fflush(stdout);
	215	sleep(2);
	216	if (freopen(im_on, "r", stdin) == NULL)
	217	return;
	218	if (freopen(im_on, "w", stdout) == NULL)
	219	return;
	220	execvp(name, argv);
	221	}
	222
	223	int errorsort(epp1, epp2)
58195f21	224	Eptr epp1, epp2;
ad33082a	225	{
58195f21 RH	226	reg Eptr ep1, ep2;
58195f21 RH	227	int order;
ad33082a BJ	228	/*
	229	* Sort by:
	230	* 1) synchronization, non specific, discarded errors first;
	231	* 2) nulled and true errors last
	232	* a) grouped by similar file names
	233	* 1) grouped in ascending line number
	234	*/
	235	ep1 = epp1; ep2 = epp2;
	236	if (ep1 == 0 \|\| ep2 == 0)
	237	return(0);
	238	if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){
	239	return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1);
	240	}
	241	if (NOTSORTABLE(ep1->error_e_class)) /* then both are */
	242	return(ep1->error_no - ep2->error_no);
	243	order = strcmp(ep1->error_text[0], ep2->error_text[0]);
	244	if (order == 0){
	245	return(ep1->error_line - ep2->error_line);
	246	}
	247	return(order);
	248	}