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- /*-
- * Copyright (c) 1980 The Regents of the University of California.
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 sccsid[] = "@(#)error.c 5.3 (Berkeley) 4/16/91";
- #endif /* not lint */
-
- #include "whoami.h"
- #include "0.h"
- #ifndef PI1
- #include "tree_ty.h" /* must be included for yy.h */
- #include "yy.h"
- #endif
-
- char errpfx = 'E';
- extern int yyline;
- /*
- * Panic is called when impossible
- * (supposedly, anyways) situations
- * are encountered.
- * Panic messages should be short
- * as they do not go to the message
- * file.
- */
- panic(s)
- char *s;
- {
-
- #ifdef DEBUG
- #ifdef PI1
- printf("Snark (%s) line=%d\n", s, line);
- abort();
- #else
- printf("Snark (%s) line=%d, yyline=%d\n", s, line, yyline);
- abort () ; /* die horribly */
- #endif
- #endif
- #ifdef PI1
- Perror( "Snark in pi1", s);
- #else
- Perror( "Snark in pi", s);
- #endif
- pexit(DIED);
- }
-
- /*
- * Error is called for
- * semantic errors and
- * prints the error and
- * a line number.
- */
-
- /*VARARGS1*/
-
- error(a1, a2, a3, a4, a5)
- register char *a1;
- {
- char errbuf[256]; /* was extern. why? ...pbk */
- register int i;
-
- if (errpfx == 'w' && opt('w') != 0) {
- errpfx = 'E';
- return;
- }
- Enocascade = FALSE;
- geterr((int) a1, errbuf);
- a1 = errbuf;
- if (line < 0)
- line = -line;
- #ifndef PI1
- if (opt('l'))
- yyoutline();
- #endif
- yysetfile(filename);
- if (errpfx == ' ') {
- printf(" ");
- for (i = line; i >= 10; i /= 10)
- pchr( ' ' );
- printf("... ");
- } else if (Enoline)
- printf(" %c - ", errpfx);
- else
- printf("%c %d - ", errpfx, line);
- printf(a1, a2, a3, a4, a5);
- if (errpfx == 'E')
- #ifndef PI0
- eflg = TRUE, codeoff();
- #else
- eflg = TRUE;
- #endif
- errpfx = 'E';
- if (Eholdnl)
- Eholdnl = FALSE;
- else
- pchr( '\n' );
- }
-
- /*VARARGS1*/
-
- cerror(a1, a2, a3, a4, a5)
- char *a1;
- {
-
- if (Enocascade)
- return;
- setpfx(' ');
- error(a1, a2, a3, a4, a5);
- }
-
- #ifdef PI1
-
- /*VARARGS*/
-
- derror(a1, a2, a3, a4, a5)
- char *a1, *a2, *a3, *a4, *a5;
- {
-
- if (!holdderr)
- error(a1, a2, a3, a4, a5);
- errpfx = 'E';
- }
-
- char *lastname, printed, hadsome;
-
- /*
- * this yysetfile for PI1 only.
- * the real yysetfile is in yyput.c
- */
- yysetfile(name)
- char *name;
- {
-
- if (lastname == name)
- return;
- printed |= 1;
- gettime( name );
- printf("%s %s:\n" , myctime( &tvec ) , name );
- lastname = name;
- }
- #endif
-