/*- * Copyright (c) 1980, 1993 * 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[] = "@(#)yyerror.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #include "whoami.h" #include "0.h" #include "tree_ty.h" /* must be included for yy.h */ #include "yy.h" /* * Yerror prints an error * message and then returns * NIL for the tree if needed. * The error is flagged on the * current line which is printed * if the listing is turned off. #ifdef PXP * * As is obvious from the fooling around * with fout below, the Pascal system should * be changed to use the new library "lS". #endif */ /*VARARGS*/ yerror(s, a1, a2, a3, a4, a5) char *s; char *a1, *a2, *a3, *a4, *a5; { #ifdef PI char buf[256]; #endif register int i; static yySerrs; #ifdef PXP int ofout; #endif if (errpfx == 'w' && opt('w') != 0) { errpfx = 'E'; return; } /* no continuations allowed here */ if (errpfx == ' ') errpfx = 'E'; #ifdef PXP flush(); ofout = fout[0]; fout[0] = errout; #endif yyResume = 0; #ifdef PI geterr((int) s, buf); s = buf; #endif yysync(); pchr(errpfx); pchr(' '); for (i = 3; i < yyecol; i++) pchr('-'); printf("^--- "); /* if (yyecol > 60) printf("\n\t"); */ printf(s, a1, a2, a3, a4, a5); pchr('\n'); if (errpfx == 'E') #ifdef PI eflg = TRUE, codeoff(); #endif #ifdef PXP eflg = TRUE; #endif errpfx = 'E'; yySerrs++; if (yySerrs >= MAXSYNERR) { yySerrs = 0; yerror("Too many syntax errors - QUIT"); pexit(ERRS); } #ifdef PXP flush(); fout[0] = ofout; return (0); #endif } /* * A bracketing error message */ brerror(where, what) int where; char *what; { if (where == 0) { line = yyeline; setpfx(' '); error("End matched %s on line %d", what, (char *) where); return; } if (where < 0) where = -where; yerror("Inserted keyword end matching %s on line %d", what, (char *) where); }