439 lines
10 KiB
C
439 lines
10 KiB
C
/* $NetBSD: subr.c,v 1.6 1998/11/06 23:10:08 christos Exp $ */
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/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93";
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#endif
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__RCSID("$NetBSD: subr.c,v 1.6 1998/11/06 23:10:08 christos Exp $");
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#endif /* not lint */
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "error.h"
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/*
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* Arrayify a list of rules
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*/
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void
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arrayify(e_length, e_array, header)
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int *e_length;
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Eptr **e_array;
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Eptr header;
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{
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Eptr errorp;
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Eptr *array;
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int listlength;
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int listindex;
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for (errorp = header, listlength = 0;
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errorp; errorp = errorp->error_next, listlength++)
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continue;
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array = (Eptr*)Calloc(listlength+1, sizeof (Eptr));
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for(listindex = 0, errorp = header;
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listindex < listlength;
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listindex++, errorp = errorp->error_next){
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array[listindex] = errorp;
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errorp->error_position = listindex;
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}
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array[listindex] = (Eptr)0;
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*e_length = listlength;
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*e_array = array;
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}
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char *
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Calloc(nelements, size)
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int nelements;
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int size;
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{
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char *back;
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if ( (back = (char *)calloc(nelements, size)) == (char *)NULL)
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errx(1, "Ran out of memory.");
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return(back);
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}
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char *
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strsave(instring)
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char *instring;
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{
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char *outstring;
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(void)strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1),
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instring);
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return(outstring);
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}
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/*
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* find the position of a given character in a string
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* (one based)
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*/
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int
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position(string, ch)
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char *string;
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char ch;
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{
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int i;
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if (string)
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for (i=1; *string; string++, i++){
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if (*string == ch)
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return(i);
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}
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return(-1);
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}
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/*
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* clobber the first occurance of ch in string by the new character
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*/
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char *
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substitute(string, chold, chnew)
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char *string;
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char chold, chnew;
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{
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char *cp = string;
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if (cp)
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while (*cp){
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if (*cp == chold){
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*cp = chnew;
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break;
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}
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cp++;
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}
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return(string);
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}
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char
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lastchar(string)
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char *string;
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{
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int length;
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if (string == 0) return('\0');
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length = strlen(string);
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if (length >= 1)
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return(string[length-1]);
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else
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return('\0');
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}
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char
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firstchar(string)
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char *string;
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{
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if (string)
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return(string[0]);
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else
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return('\0');
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}
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char
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next_lastchar(string)
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char *string;
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{
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int length;
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if (string == 0) return('\0');
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length = strlen(string);
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if (length >= 2)
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return(string[length - 2]);
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else
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return('\0');
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}
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void
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clob_last(string, newstuff)
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char *string, newstuff;
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{
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int length = 0;
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if (string)
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length = strlen(string);
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if (length >= 1)
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string[length - 1] = newstuff;
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}
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/*
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* parse a string that is the result of a format %s(%d)
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* return TRUE if this is of the proper format
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*/
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boolean
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persperdexplode(string, r_perd, r_pers)
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char *string;
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char **r_perd, **r_pers;
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{
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char *cp;
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int length = 0;
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if (string)
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length = strlen(string);
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if ( (length >= 4)
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&& (string[length - 1] == ')' ) ){
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for (cp = &string[length - 2];
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(isdigit((unsigned char)*cp)) && (*cp != '(');
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--cp)
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continue;
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if (*cp == '('){
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string[length - 1] = '\0'; /* clobber the ) */
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*r_perd = strsave(cp+1);
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string[length - 1] = ')';
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*cp = '\0'; /* clobber the ( */
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*r_pers = strsave(string);
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*cp = '(';
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return(TRUE);
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}
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}
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return(FALSE);
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}
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/*
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* parse a quoted string that is the result of a format \"%s\"(%d)
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* return TRUE if this is of the proper format
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*/
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boolean
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qpersperdexplode(string, r_perd, r_pers)
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char *string;
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char **r_perd, **r_pers;
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{
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char *cp;
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int length = 0;
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if (string)
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length = strlen(string);
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if ( (length >= 4)
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&& (string[length - 1] == ')' ) ){
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for (cp = &string[length - 2];
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(isdigit((unsigned char)*cp)) && (*cp != '(');
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--cp)
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continue;
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if (*cp == '(' && *(cp - 1) == '"'){
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string[length - 1] = '\0';
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*r_perd = strsave(cp+1);
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string[length - 1] = ')';
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*(cp - 1) = '\0'; /* clobber the " */
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*r_pers = strsave(string + 1);
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*(cp - 1) = '"';
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return(TRUE);
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}
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}
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return(FALSE);
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}
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static char cincomment[] = CINCOMMENT;
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static char coutcomment[] = COUTCOMMENT;
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static char fincomment[] = FINCOMMENT;
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static char foutcomment[] = FOUTCOMMENT;
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static char newline[] = NEWLINE;
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static char piincomment[] = PIINCOMMENT;
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static char pioutcomment[] = PIOUTCOMMENT;
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static char lispincomment[] = LISPINCOMMENT;
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static char riincomment[] = RIINCOMMENT;
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static char rioutcomment[] = RIOUTCOMMENT;
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static char troffincomment[] = TROFFINCOMMENT;
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static char troffoutcomment[] = TROFFOUTCOMMENT;
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static char mod2incomment[] = MOD2INCOMMENT;
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static char mod2outcomment[] = MOD2OUTCOMMENT;
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struct lang_desc lang_table[] = {
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{ /*INUNKNOWN 0*/ "unknown", cincomment, coutcomment },
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{ /*INCPP 1*/ "cpp", cincomment, coutcomment },
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{ /*INCC 2*/ "cc", cincomment, coutcomment },
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{ /*INAS 3*/ "as", ASINCOMMENT, newline },
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{ /*INLD 4*/ "ld", cincomment, coutcomment },
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{ /*INLINT 5*/ "lint", cincomment, coutcomment },
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{ /*INF77 6*/ "f77", fincomment, foutcomment },
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{ /*INPI 7*/ "pi", piincomment, pioutcomment },
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{ /*INPC 8*/ "pc", piincomment, pioutcomment },
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{ /*INFRANZ 9*/ "franz",lispincomment, newline },
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{ /*INLISP 10*/ "lisp", lispincomment, newline },
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{ /*INVAXIMA 11*/ "vaxima",lispincomment,newline },
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{ /*INRATFOR 12*/ "ratfor",fincomment, foutcomment },
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{ /*INLEX 13*/ "lex", cincomment, coutcomment },
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{ /*INYACC 14*/ "yacc", cincomment, coutcomment },
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{ /*INAPL 15*/ "apl", ".lm", newline },
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{ /*INMAKE 16*/ "make", ASINCOMMENT, newline },
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{ /*INRI 17*/ "ri", riincomment, rioutcomment },
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{ /*INTROFF 18*/ "troff",troffincomment,troffoutcomment },
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{ /*INMOD2 19*/ "mod2", mod2incomment, mod2outcomment },
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{ 0, 0, 0 }
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};
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void
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printerrors(look_at_subclass, errorc, errorv)
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boolean look_at_subclass;
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int errorc;
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Eptr errorv[];
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{
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int i;
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Eptr errorp;
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for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){
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if (errorp->error_e_class == C_IGNORE)
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continue;
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if (look_at_subclass && errorp->error_s_class == C_DUPL)
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continue;
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printf("Error %d, (%s error) [%s], text = \"",
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i,
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class_table[errorp->error_e_class],
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lang_table[errorp->error_language].lang_name);
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wordvprint(stdout,errorp->error_lgtext,errorp->error_text);
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printf("\"\n");
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}
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}
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void
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wordvprint(fyle, wordc, wordv)
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FILE *fyle;
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int wordc;
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char *wordv[];
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{
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int i;
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char *sep = "";
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for(i = 0; i < wordc; i++)
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if (wordv[i]) {
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fprintf(fyle, "%s%s",sep,wordv[i]);
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sep = " ";
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}
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}
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/*
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* Given a string, parse it into a number of words, and build
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* a wordc wordv combination pointing into it.
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*/
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void
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wordvbuild(string, r_wordc, r_wordv)
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char *string;
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int *r_wordc;
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char ***r_wordv;
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{
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char *cp;
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char **wordv;
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int wordcount;
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int wordindex;
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for (wordcount = 0, cp = string; *cp; wordcount++){
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while (*cp && isspace((unsigned char)*cp))
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cp++;
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if (*cp == 0)
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break;
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while (!isspace((unsigned char)*cp))
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cp++;
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}
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wordv = (char **)Calloc(wordcount + 1, sizeof (char *));
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for (cp=string,wordindex=0; wordcount; wordindex++,--wordcount){
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while (*cp && isspace((unsigned char)*cp))
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cp++;
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if (*cp == 0)
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break;
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wordv[wordindex] = cp;
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while(!isspace((unsigned char)*cp))
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cp++;
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*cp++ = '\0';
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}
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if (wordcount != 0)
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errx(6, "Initial miscount of the number of words in a line");
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wordv[wordindex] = (char *)0;
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#ifdef FULLDEBUG
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for (wordcount = 0; wordcount < wordindex; wordcount++)
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printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]);
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printf("\n");
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#endif
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*r_wordc = wordindex;
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*r_wordv = wordv;
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}
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/*
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* Compare two 0 based wordvectors
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*/
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int
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wordvcmp(wordv1, wordc, wordv2)
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char **wordv1;
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int wordc;
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char **wordv2;
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{
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int i;
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int back;
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for (i = 0; i < wordc; i++){
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if (wordv1[i] == 0 || wordv2[i] == 0)
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return(-1);
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if ((back = strcmp(wordv1[i], wordv2[i])) != NULL)
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return(back);
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}
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return(0); /* they are equal */
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}
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/*
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* splice a 0 basedword vector onto the tail of a
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* new wordv, allowing the first emptyhead slots to be empty
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*/
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char **
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wordvsplice(emptyhead, wordc, wordv)
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int emptyhead;
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int wordc;
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char **wordv;
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{
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char **nwordv;
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int nwordc = emptyhead + wordc;
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int i;
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nwordv = (char **)Calloc(nwordc, sizeof (char *));
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for (i = 0; i < emptyhead; i++)
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nwordv[i] = 0;
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for(i = emptyhead; i < nwordc; i++){
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nwordv[i] = wordv[i-emptyhead];
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}
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return(nwordv);
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}
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/*
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* plural'ize and verb forms
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*/
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static char *S = "s";
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static char *N = "";
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char *
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plural(n)
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int n;
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{
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return( n > 1 ? S : N);
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}
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char *
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verbform(n)
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int n;
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{
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return( n > 1 ? N : S);
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}
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