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/* grecs - Gray's Extensible Configuration System
Copyright (C) 2007-2012 Sergey Poznyakoff
Grecs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Grecs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with Grecs. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <grecs.h>
#include <grecs-locus.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
static void
default_print_diag(grecs_locus_t const *locus, int err, int errcode,
const char *msg)
{
fflush(stdout);
if (locus) {
YY_LOCATION_PRINT(stderr, *locus);
fputc(':', stderr);
fputc(' ', stderr);
}
if (!err)
fprintf(stderr, "warning: ");
fprintf(stderr, "%s", msg);
if (errcode)
fprintf(stderr, ": %s", strerror(errno));
fputc('\n', stderr);
}
void (*grecs_print_diag_fun)(grecs_locus_t const *, int, int,
const char *msg) =
default_print_diag;
void
grecs_warning(grecs_locus_t const *locus, int errcode, const char *fmt, ...)
{
va_list ap;
char *buf = NULL;
size_t size = 0;
va_start(ap, fmt);
if (grecs_vasprintf(&buf, &size, fmt, ap))
grecs_alloc_die();
va_end(ap);
grecs_print_diag_fun(locus, 0, errcode, buf);
free(buf);
}
void
grecs_error(grecs_locus_t const *locus, int errcode, const char *fmt, ...)
{
va_list ap;
char *buf = NULL;
size_t size = 0;
va_start(ap, fmt);
if (grecs_vasprintf(&buf, &size, fmt, ap))
grecs_alloc_die();
va_end(ap);
grecs_print_diag_fun(locus, 1, errcode, buf);
free(buf);
grecs_error_count++;
}
int
grecs_asprint_locus(char **locstr, size_t *size, grecs_locus_t const *locus)
{
int rc;
if (locus->beg.col == 0)
rc = grecs_asprintf(locstr, size, "%s:%u",
locus->beg.file,
locus->beg.line);
else if (strcmp(locus->beg.file, locus->end.file))
rc = grecs_asprintf(locstr, size, "%s:%u.%u-%s:%u.%u",
locus->beg.file,
locus->beg.line, locus->beg.col,
locus->end.file,
locus->end.line, locus->end.col);
else if (locus->beg.line != locus->end.line)
rc = grecs_asprintf(locstr, size, "%s:%u.%u-%u.%u",
locus->beg.file,
locus->beg.line, locus->beg.col,
locus->end.line, locus->end.col);
else
rc = grecs_asprintf(locstr, size, "%s:%u.%u-%u",
locus->beg.file,
locus->beg.line, locus->beg.col,
locus->end.col);
return rc;
}
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