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

static	char *sccsid = "@(#)subr.c	1.2 (Berkeley) %G%";
#include <stdio.h>
#include <ctype.h>
#include "error.h"
/*
 *	Arrayify a list of rules
 */
arrayify(e_length, e_array, header)
	int	*e_length;
	Eptr	**e_array;
	Eptr	header;
{
	reg	Eptr	errorp;
	reg	Eptr	*array;
	reg	int	listlength;
	reg	int	listindex;

	for (errorp = header, listlength = 0;
	     errorp; errorp = errorp->error_next, listlength++)
		continue;
	array = (Eptr*)Calloc(listlength+1, sizeof (Eptr));
	for(listindex = 0, errorp = header;
	    listindex < listlength;
	    listindex++, errorp = errorp->error_next){
		array[listindex] = errorp;
		errorp->error_position = listindex;
	}
	array[listindex] = (Eptr)0;
	*e_length = listlength;
	*e_array = array;
}

/*VARARGS1*/
error(msg, a1, a2, a3)
	char	*msg;
{
	fprintf(stderr, "Error: ");
	fprintf(stderr, msg, a1, a2, a3);
	fprintf(stderr, "\n");
	fflush(stdout);
	fflush(stderr);
	exit(6);
}
/*ARGSUSED*/
char *Calloc(nelements, size)
	int	nelements;
	int	size;
{
	char	*back;
	if ( (back = (char *)calloc(nelements, size)) == (char *)NULL){
		error("Ran out of memory.\n");
		exit(1);
	}
	return(back);
}

char *strsave(instring)
	char	*instring;
{
	char	*outstring;
	(void)strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1),
		instring);
	return(outstring);
}
/*
 *	find the position of a given character in a string
 *		(one based)
 */
int position(string, ch)
	reg	char	*string;
	reg	char	ch;
{
	reg	int	i;
	for (i=1; *string; string++, i++){
		if (*string == ch)
			return(i);
	}
	return(-1);
}
/*
 *	clobber the first occurance of ch in string by the new character
 */
char *substitute(string, chold, chnew)
	char	*string;
	char	chold, chnew;
{
	reg	char	*cp = string;

	while (*cp){
		if (*cp == chold){
			*cp = chnew;
			break;
		}
		cp++;
	}
	return(string);
}

char lastchar(string)
	char	*string;
{
	int	length;
	length = strlen(string);
	if (length >= 1)
		return(string[length-1]);
	else
		return('\0');
}

char firstchar(string)
	char	*string;
{
	return(string[0]);
}

char	next_lastchar(string)
	char	*string;
{
	int	length;
	length = strlen(string);
	if (length >= 2)
		return(string[length - 2]);
	else
		return('\0');
}

clob_last(string, newstuff)
	char	*string, newstuff;
{
	int	length;
	length = strlen(string);
	if (length >= 1)
		string[length - 1] = newstuff;
}

/*
 *	parse a string that is the result of a format %s(%d)
 *	return TRUE if this is of the proper format
 */
boolean persperdexplode(string, r_perd, r_pers)
	char	*string;
	char	**r_perd, **r_pers;
{
	reg	char	*cp;
		int	length;

	length = strlen(string);
	if (   (length >= 4)
	    && (string[length - 1] == ')' ) ){
		for (cp = &string[length - 2];
		     (isdigit(*cp)) && (*cp != '(');
		     --cp)
			continue;
		if (*cp == '('){
			string[length - 1] = '\0';	/* clobber the ) */
			*r_perd = strsave(cp+1);
			string[length - 1] = ')';
			*cp = '\0';			/* clobber the ( */
			*r_pers = strsave(string);
			*cp = '(';
			return(TRUE);
		} 
	}
	return(FALSE);
}
/*
 *	parse a quoted string that is the result of a format \"%s\"(%d)
 *	return TRUE if this is of the proper format
 */
boolean qpersperdexplode(string, r_perd, r_pers)
	char	*string;
	char	**r_perd, **r_pers;
{
	reg	char	*cp;
		int	length;

	length = strlen(string);
	if (   (length >= 4)
	    && (string[length - 1] == ')' ) ){
		for (cp = &string[length - 2];
		     (isdigit(*cp)) && (*cp != '(');
		     --cp)
			continue;
		if (*cp == '(' && *(cp - 1) == '"'){
			string[length - 1] = '\0';
			*r_perd = strsave(cp+1);
			string[length - 1] = ')';
			*(cp - 1) = '\0';		/* clobber the " */
			*r_pers = strsave(string + 1);
			*(cp - 1) = '"';
			return(TRUE);
		} 
	}
	return(FALSE);
}

static	char	cincomment[] = CINCOMMENT;
static	char	coutcomment[] = COUTCOMMENT;
static	char	fincomment[] = FINCOMMENT;
static	char	foutcomment[] = FOUTCOMMENT;
static	char	newline[] = NEWLINE;
static	char	piincomment[] = PIINCOMMENT;
static	char	pioutcomment[] = PIOUTCOMMENT;
static	char	lispincomment[] = LISPINCOMMENT;
static	char	riincomment[] = RIINCOMMENT;
static	char	rioutcomment[] = RIOUTCOMMENT;

struct	lang_desc lang_table[] = {
	/*INUNKNOWN	0*/	"unknown", cincomment,	coutcomment,
	/*INCPP		1*/	"cpp",	cincomment,    coutcomment,
	/*INCC		2*/	"cc",	cincomment,    coutcomment,
	/*INAS		3*/	"as",	ASINCOMMENT,   newline,
	/*INLD		4*/	"ld",	cincomment,    coutcomment,
	/*INLINT	5*/	"lint",	cincomment,    coutcomment,
	/*INF77		6*/	"f77",	fincomment,    foutcomment,
	/*INPI		7*/	"pi",	piincomment,   pioutcomment,
	/*INPC		8*/	"pc",	piincomment,   pioutcomment,
	/*INFRANZ	9*/	"franz",lispincomment, newline,
	/*INLISP	10*/	"lisp",	lispincomment, newline,
	/*INVAXIMA	11*/	"vaxima",lispincomment,newline,
	/*INRATFOR	12*/	"ratfor",fincomment,   foutcomment,
	/*INLEX		13*/	"lex",	cincomment,    coutcomment,
	/*INYACC	14*/	"yacc",	cincomment,    coutcomment,
	/*INAPL		15*/	"apl",	".lm",	       newline,
	/*INMAKE	16*/	"make",	ASINCOMMENT,   newline,
	/*INRI		17*/	"ri",	riincomment,   rioutcomment,
				0,	0,	     0
};

printerrors(look_at_subclass, errorc, errorv)
	boolean	look_at_subclass;
	int	errorc;
	Eptr	errorv[];
{
	reg	int	i;
	reg	Eptr	errorp;

	for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){
		if (errorp->error_e_class == C_IGNORE)
			continue;
		if (look_at_subclass && errorp->error_s_class == C_DUPL)
			continue;
		printf("Error %d, (%s error) [%s], text = \"",
			i,
			class_table[errorp->error_e_class],
			lang_table[errorp->error_language].lang_name);
		wordvprint(stdout,errorp->error_lgtext,errorp->error_text);
		printf("\"\n");
	}
}

wordvprint(fyle, wordc, wordv)
	FILE	*fyle;
	int	wordc;
	char	*wordv[];
{
	int	i;
	for(i = 0; i < wordc; i++){
		fprintf(fyle, "%s",wordv[i]);
		if (i != wordc - 1)
			fprintf(fyle, " ");
	}
}

/*
 *	Given a string, parse it into a number of words, and build
 *	a wordc wordv combination pointing into it.
 */
wordvbuild(string, r_wordc, r_wordv)
	char	*string;
	int	*r_wordc;
	char	***r_wordv;
{
	reg	char 	*cp;
		char	*saltedbuffer;
		char	**wordv;
		int	wordcount;
		int	wordindex;

	saltedbuffer = strsave(string);
	for (wordcount = 0, cp = saltedbuffer; *cp; wordcount++){
		while (*cp  && isspace(*cp))
			cp++;
		if (*cp == 0)
			break;
		while (!isspace(*cp))
			cp++;
	}
	wordv = (char **)Calloc(wordcount + 1, sizeof (char *));
	for (cp=saltedbuffer,wordindex=0; wordcount; wordindex++,--wordcount){
		while (*cp && isspace(*cp))
			cp++;
		if (*cp == 0)
			break;
		wordv[wordindex] = cp;
		while(!isspace(*cp))
			cp++;
		*cp++ = '\0';
	}
	if (wordcount != 0)
		error("Initial miscount of the number of words in a line\n");
	wordv[wordindex] = (char *)0;
#ifdef FULLDEBUG
	for (wordcount = 0; wordcount < wordindex; wordcount++)
		printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]);
	printf("\n");
#endif
	*r_wordc = wordindex;
	*r_wordv = wordv;
}
/*
 *	Compare two 0 based wordvectors
 */
int wordvcmp(wordv1, wordc, wordv2)
	char	**wordv1;
	int	wordc;
	char	**wordv2;
{
	reg	int i;
		int	back;
	for (i = 0; i < wordc; i++){
		if (back = strcmp(wordv1[i], wordv2[i])){
			return(back);
		}
	}
	return(0);	/* they are equal */
}
		
/*
 *	splice a 0 basedword vector onto the tail of a
 *	new wordv, allowing the first emptyhead slots to be empty
 */
char	**wordvsplice(emptyhead, wordc, wordv)
	int	emptyhead;
	int	wordc;
	char	**wordv;
{
	reg	char	**nwordv;
		int	nwordc = emptyhead + wordc;
	reg	int	i;

	nwordv = (char **)Calloc(nwordc, sizeof (char *));
	for (i = 0; i < emptyhead; i++)
		nwordv[i] = 0;
	for(i = emptyhead; i < nwordc; i++){
		nwordv[i] = wordv[i-emptyhead];
	}
	return(nwordv);
}
/*
 *	plural'ize and verb forms
 */
static	char	*S = "s";
static	char	*N = "";
char *plural(n)
	int	n;
{
	return( n > 1 ? S : N);
}
char *verbform(n)
	int	n;
{
	return( n > 1 ? N : S);
}
Commit	Line	Data
58195f21	1	static char *sccsid = "@(#)subr.c 1.2 (Berkeley) %G%";
a88a9a03 BJ	2	#include <stdio.h>
	3	#include <ctype.h>
	4	#include "error.h"
	5	/*
58195f21	6	* Arrayify a list of rules
a88a9a03 BJ	7	*/
a88a9a03 BJ	8	arrayify(e_length, e_array, header)
58195f21 RH	9	int *e_length;
	10	Eptr **e_array;
	11	Eptr header;
a88a9a03	12	{
58195f21 RH	13	reg Eptr errorp;
	14	reg Eptr *array;
	15	reg int listlength;
	16	reg int listindex;
a88a9a03 BJ	17
	18	for (errorp = header, listlength = 0;
	19	errorp; errorp = errorp->error_next, listlength++)
	20	continue;
58195f21	21	array = (Eptr*)Calloc(listlength+1, sizeof (Eptr));
a88a9a03 BJ	22	for(listindex = 0, errorp = header;
	23	listindex < listlength;
	24	listindex++, errorp = errorp->error_next){
	25	array[listindex] = errorp;
	26	errorp->error_position = listindex;
	27	}
58195f21	28	array[listindex] = (Eptr)0;
a88a9a03 BJ	29	*e_length = listlength;
	30	*e_array = array;
	31	}
	32
	33	/VARARGS1/
	34	error(msg, a1, a2, a3)
	35	char *msg;
	36	{
	37	fprintf(stderr, "Error: ");
	38	fprintf(stderr, msg, a1, a2, a3);
	39	fprintf(stderr, "\n");
	40	fflush(stdout);
	41	fflush(stderr);
	42	exit(6);
	43	}
	44	/ARGSUSED/
	45	char *Calloc(nelements, size)
	46	int nelements;
	47	int size;
	48	{
	49	char *back;
	50	if ( (back = (char )calloc(nelements, size)) == (char )NULL){
	51	error("Ran out of memory.\n");
	52	exit(1);
	53	}
	54	return(back);
	55	}
	56
	57	char *strsave(instring)
	58	char *instring;
	59	{
	60	char *outstring;
58195f21 RH	61	(void)strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1),
58195f21 RH	62	instring);
a88a9a03 BJ	63	return(outstring);
	64	}
	65	/*
	66	* find the position of a given character in a string
	67	* (one based)
	68	*/
	69	int position(string, ch)
58195f21 RH	70	reg char *string;
58195f21 RH	71	reg char ch;
a88a9a03	72	{
58195f21	73	reg int i;
a88a9a03 BJ	74	for (i=1; *string; string++, i++){
	75	if (*string == ch)
	76	return(i);
	77	}
	78	return(-1);
	79	}
	80	/*
	81	* clobber the first occurance of ch in string by the new character
	82	*/
	83	char *substitute(string, chold, chnew)
	84	char *string;
	85	char chold, chnew;
	86	{
58195f21	87	reg char *cp = string;
a88a9a03 BJ	88
	89	while (*cp){
	90	if (*cp == chold){
	91	*cp = chnew;
	92	break;
	93	}
	94	cp++;
	95	}
	96	return(string);
	97	}
	98
	99	char lastchar(string)
	100	char *string;
	101	{
	102	int length;
	103	length = strlen(string);
	104	if (length >= 1)
	105	return(string[length-1]);
	106	else
	107	return('\0');
	108	}
	109
	110	char firstchar(string)
	111	char *string;
	112	{
	113	return(string[0]);
	114	}
	115
	116	char next_lastchar(string)
	117	char *string;
	118	{
	119	int length;
	120	length = strlen(string);
	121	if (length >= 2)
	122	return(string[length - 2]);
	123	else
	124	return('\0');
	125	}
	126
	127	clob_last(string, newstuff)
	128	char *string, newstuff;
	129	{
	130	int length;
	131	length = strlen(string);
	132	if (length >= 1)
	133	string[length - 1] = newstuff;
	134	}
	135
	136	/*
	137	* parse a string that is the result of a format %s(%d)
	138	* return TRUE if this is of the proper format
	139	*/
	140	boolean persperdexplode(string, r_perd, r_pers)
	141	char *string;
	142	char r_perd, r_pers;
	143	{
58195f21 RH	144	reg char *cp;
58195f21 RH	145	int length;
a88a9a03 BJ	146
	147	length = strlen(string);
	148	if ( (length >= 4)
	149	&& (string[length - 1] == ')' ) ){
	150	for (cp = &string[length - 2];
	151	(isdigit(cp)) && (cp != '(');
	152	--cp)
	153	continue;
	154	if (*cp == '('){
	155	string[length - 1] = '\0'; /* clobber the ) */
	156	*r_perd = strsave(cp+1);
	157	string[length - 1] = ')';
	158	cp = '\0'; / clobber the ( */
	159	*r_pers = strsave(string);
	160	*cp = '(';
	161	return(TRUE);
	162	}
	163	}
	164	return(FALSE);
	165	}
	166	/*
	167	* parse a quoted string that is the result of a format \"%s\"(%d)
	168	* return TRUE if this is of the proper format
	169	*/
	170	boolean qpersperdexplode(string, r_perd, r_pers)
	171	char *string;
	172	char r_perd, r_pers;
	173	{
58195f21 RH	174	reg char *cp;
58195f21 RH	175	int length;
a88a9a03 BJ	176
	177	length = strlen(string);
	178	if ( (length >= 4)
	179	&& (string[length - 1] == ')' ) ){
	180	for (cp = &string[length - 2];
	181	(isdigit(cp)) && (cp != '(');
	182	--cp)
	183	continue;
	184	if (cp == '(' && (cp - 1) == '"'){
	185	string[length - 1] = '\0';
	186	*r_perd = strsave(cp+1);
	187	string[length - 1] = ')';
	188	(cp - 1) = '\0'; / clobber the " */
	189	*r_pers = strsave(string + 1);
	190	*(cp - 1) = '"';
	191	return(TRUE);
	192	}
	193	}
	194	return(FALSE);
	195	}
	196
	197	static char cincomment[] = CINCOMMENT;
	198	static char coutcomment[] = COUTCOMMENT;
	199	static char fincomment[] = FINCOMMENT;
	200	static char foutcomment[] = FOUTCOMMENT;
	201	static char newline[] = NEWLINE;
	202	static char piincomment[] = PIINCOMMENT;
	203	static char pioutcomment[] = PIOUTCOMMENT;
	204	static char lispincomment[] = LISPINCOMMENT;
	205	static char riincomment[] = RIINCOMMENT;
	206	static char rioutcomment[] = RIOUTCOMMENT;
	207
	208	struct lang_desc lang_table[] = {
	209	/INUNKNOWN 0/ "unknown", cincomment, coutcomment,
	210	/INCPP 1/ "cpp", cincomment, coutcomment,
	211	/INCC 2/ "cc", cincomment, coutcomment,
	212	/INAS 3/ "as", ASINCOMMENT, newline,
	213	/INLD 4/ "ld", cincomment, coutcomment,
	214	/INLINT 5/ "lint", cincomment, coutcomment,
	215	/INF77 6/ "f77", fincomment, foutcomment,
	216	/INPI 7/ "pi", piincomment, pioutcomment,
	217	/INPC 8/ "pc", piincomment, pioutcomment,
	218	/INFRANZ 9/ "franz",lispincomment, newline,
	219	/INLISP 10/ "lisp", lispincomment, newline,
	220	/INVAXIMA 11/ "vaxima",lispincomment,newline,
	221	/INRATFOR 12/ "ratfor",fincomment, foutcomment,
	222	/INLEX 13/ "lex", cincomment, coutcomment,
	223	/INYACC 14/ "yacc", cincomment, coutcomment,
	224	/INAPL 15/ "apl", ".lm", newline,
	225	/INMAKE 16/ "make", ASINCOMMENT, newline,
	226	/INRI 17/ "ri", riincomment, rioutcomment,
	227	0, 0, 0
	228	};
	229
	230	printerrors(look_at_subclass, errorc, errorv)
	231	boolean look_at_subclass;
	232	int errorc;
58195f21	233	Eptr errorv[];
a88a9a03	234	{
58195f21 RH	235	reg int i;
	236	reg Eptr errorp;
	237
a88a9a03 BJ	238	for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){
	239	if (errorp->error_e_class == C_IGNORE)
	240	continue;
	241	if (look_at_subclass && errorp->error_s_class == C_DUPL)
	242	continue;
	243	printf("Error %d, (%s error) [%s], text = \"",
	244	i,
	245	class_table[errorp->error_e_class],
	246	lang_table[errorp->error_language].lang_name);
	247	wordvprint(stdout,errorp->error_lgtext,errorp->error_text);
	248	printf("\"\n");
	249	}
	250	}
	251
	252	wordvprint(fyle, wordc, wordv)
	253	FILE *fyle;
	254	int wordc;
	255	char *wordv[];
	256	{
	257	int i;
	258	for(i = 0; i < wordc; i++){
	259	fprintf(fyle, "%s",wordv[i]);
	260	if (i != wordc - 1)
	261	fprintf(fyle, " ");
	262	}
	263	}
	264
	265	/*
	266	* Given a string, parse it into a number of words, and build
	267	* a wordc wordv combination pointing into it.
	268	*/
	269	wordvbuild(string, r_wordc, r_wordv)
	270	char *string;
	271	int *r_wordc;
	272	char ***r_wordv;
	273	{
58195f21 RH	274	reg char *cp;
	275	char *saltedbuffer;
	276	char **wordv;
	277	int wordcount;
	278	int wordindex;
a88a9a03 BJ	279
	280	saltedbuffer = strsave(string);
	281	for (wordcount = 0, cp = saltedbuffer; *cp; wordcount++){
	282	while (cp && isspace(cp))
	283	cp++;
	284	if (*cp == 0)
	285	break;
	286	while (!isspace(*cp))
	287	cp++;
	288	}
	289	wordv = (char *)Calloc(wordcount + 1, sizeof (char ));
	290	for (cp=saltedbuffer,wordindex=0; wordcount; wordindex++,--wordcount){
	291	while (cp && isspace(cp))
	292	cp++;
	293	if (*cp == 0)
	294	break;
	295	wordv[wordindex] = cp;
	296	while(!isspace(*cp))
	297	cp++;
	298	*cp++ = '\0';
	299	}
	300	if (wordcount != 0)
	301	error("Initial miscount of the number of words in a line\n");
	302	wordv[wordindex] = (char *)0;
	303	#ifdef FULLDEBUG
	304	for (wordcount = 0; wordcount < wordindex; wordcount++)
	305	printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]);
	306	printf("\n");
	307	#endif
	308	*r_wordc = wordindex;
	309	*r_wordv = wordv;
	310	}
	311	/*
	312	* Compare two 0 based wordvectors
	313	*/
	314	int wordvcmp(wordv1, wordc, wordv2)
	315	char **wordv1;
	316	int wordc;
	317	char **wordv2;
	318	{
58195f21 RH	319	reg int i;
58195f21 RH	320	int back;
a88a9a03 BJ	321	for (i = 0; i < wordc; i++){
	322	if (back = strcmp(wordv1[i], wordv2[i])){
	323	return(back);
	324	}
	325	}
	326	return(0); /* they are equal */
	327	}
	328
	329	/*
	330	* splice a 0 basedword vector onto the tail of a
	331	* new wordv, allowing the first emptyhead slots to be empty
	332	*/
	333	char **wordvsplice(emptyhead, wordc, wordv)
	334	int emptyhead;
	335	int wordc;
	336	char **wordv;
	337	{
58195f21 RH	338	reg char **nwordv;
	339	int nwordc = emptyhead + wordc;
	340	reg int i;
a88a9a03 BJ	341
	342	nwordv = (char *)Calloc(nwordc, sizeof (char ));
	343	for (i = 0; i < emptyhead; i++)
	344	nwordv[i] = 0;
	345	for(i = emptyhead; i < nwordc; i++){
	346	nwordv[i] = wordv[i-emptyhead];
	347	}
	348	return(nwordv);
	349	}
58195f21 RH	350	/*
	351	* plural'ize and verb forms
	352	*/
	353	static char *S = "s";
	354	static char *N = "";
	355	char *plural(n)
	356	int n;
	357	{
	358	return( n > 1 ? S : N);
	359	}
	360	char *verbform(n)
	361	int n;
	362	{
	363	return( n > 1 ? N : S);
	364	}
	365