source: trunk/yacc/error.c@ 3316

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Robert Paul Corbett.
 *
 * 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.
 */

#if 0
#ifndef lint
static char sccsid[] = "@(#)error.c     5.3 (Berkeley) 6/1/90";
#endif
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.bin/yacc/error.c,v 1.15 2002/04/09 11:39:05 ru Exp $");

/* routines for printing error messages  */

#include "defs.h"

static void print_pos(char *, char *);

void
fatal(msg)
const char *msg;
{
    warnx("f - %s", msg);
    done(2);
}


void
no_space()
{
    warnx("f - out of space");
    done(2);
}


void
open_error(filename)
const char *filename;
{
    warnx("f - cannot open \"%s\"", filename);
    done(2);
}


void
unexpected_EOF()
{
    warnx("e - line %d of \"%s\", unexpected end-of-file",
            lineno, input_file_name);
    done(1);
}


static void
print_pos(st_line, st_cptr)
char *st_line;
char *st_cptr;
{
    char *s;

    if (st_line == 0) return;
    for (s = st_line; *s != '\n'; ++s)
    {
        if (isprint(*s) || *s == '\t')
            putc(*s, stderr);
        else
            putc('?', stderr);
    }
    putc('\n', stderr);
    for (s = st_line; s < st_cptr; ++s)
    {
        if (*s == '\t')
            putc('\t', stderr);
        else
            putc(' ', stderr);
    }
    putc('^', stderr);
    putc('\n', stderr);
}


void
syntax_error(st_lineno, st_line, st_cptr)
int st_lineno;
char *st_line;
char *st_cptr;
{
    warnx("e - line %d of \"%s\", syntax error",
            st_lineno, input_file_name);
    print_pos(st_line, st_cptr);
    done(1);
}


void
unterminated_comment(c_lineno, c_line, c_cptr)
int c_lineno;
char *c_line;
char *c_cptr;
{
    warnx("e - line %d of \"%s\", unmatched /*",
            c_lineno, input_file_name);
    print_pos(c_line, c_cptr);
    done(1);
}


void
unterminated_string(s_lineno, s_line, s_cptr)
int s_lineno;
char *s_line;
char *s_cptr;
{
    warnx("e - line %d of \"%s\", unterminated string",
            s_lineno, input_file_name);
    print_pos(s_line, s_cptr);
    done(1);
}


void
unterminated_text(t_lineno, t_line, t_cptr)
int t_lineno;
char *t_line;
char *t_cptr;
{
    warnx("e - line %d of \"%s\", unmatched %%{",
            t_lineno, input_file_name);
    print_pos(t_line, t_cptr);
    done(1);
}


void
unterminated_union(u_lineno, u_line, u_cptr)
int u_lineno;
char *u_line;
char *u_cptr;
{
    warnx("e - line %d of \"%s\", unterminated %%union declaration",
                u_lineno, input_file_name);