-/* Copyright (C) 2002-2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
Contributed by Andy Vaught
-This file is part of the GNU Fortran 95 runtime library (libgfor).
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
-Libgfor is free software; you can redistribute it and/or modify
+Libgfortran 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 2, or (at your option)
any later version.
-Libgfor is distributed in the hope that it will be useful,
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran 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 libgfor; see the file COPYING. If not, write to
+along with libgfortran; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
* that files that report loci and those that do not can be linked
* together without reporting an erroneous position. */
-char *filename;
-unsigned line;
-
-static char buffer[32]; /* buffer for integer/ascii conversions */
-
-/* rtoa()-- Real to ascii conversion for base 10 and below.
- * Returns a pointer to a static buffer. */
-
-char *
-rtoa (double f, int length, int oprec)
-{
- double n = f;
- double fval, minval;
- int negative, prec;
- unsigned k;
- char formats[16];
-
- prec = 0;
- negative = 0;
- if (n < 0.0)
- {
- negative = 1;
- n = -n;
- }
-
- if (length >= 8)
- minval = FLT_MIN;
- else
- minval = DBL_MIN;
-
+char *filename = 0;
+iexport_data(filename);
- if (n <= minval)
- {
- buffer[0] = '0';
- buffer[1] = '.';
- for (k = 2; k < 28 ; k++)
- buffer[k] = '0';
- buffer[k+1] = '\0';
- return buffer;
- }
- fval = n;
- while (fval > 1.0)
- {
- fval = fval / 10.0;
- prec ++;
- }
+unsigned line = 0;
+iexport_data(line);
- prec = sizeof (buffer) - 2 - prec;
- if (prec > 20)
- prec = 20;
- prec = prec > oprec ? oprec : prec ;
-
- if (negative)
- sprintf (formats, "-%%.%df", prec);
- else
- sprintf (formats, "%%.%df", prec);
-
- sprintf (buffer, formats, n);
- return buffer;
-}
+/* buffer for integer/ascii conversions. */
+static char buffer[sizeof (GFC_UINTEGER_LARGEST) * 8 + 1];
/* Returns a pointer to a static buffer. */
char *
-itoa (int64_t n)
+gfc_itoa (GFC_INTEGER_LARGEST n)
{
int negative;
char *p;
+ GFC_UINTEGER_LARGEST t;
if (n == 0)
{
}
negative = 0;
+ t = n;
if (n < 0)
{
negative = 1;
- n = -n;
+ t = -n; /*must use unsigned to protect from overflow*/
}
p = buffer + sizeof (buffer) - 1;
*p-- = '\0';
- while (n != 0)
+ while (t != 0)
{
- *p-- = '0' + (n % 10);
- n /= 10;
+ *p-- = '0' + (t % 10);
+ t /= 10;
}
if (negative)
* static buffer. */
char *
-xtoa (uint64_t n)
+xtoa (GFC_UINTEGER_LARGEST n)
{
int digit;
char *p;
break;
case 'd':
- q = itoa (va_arg (arg, int));
+ q = gfc_itoa (va_arg (arg, int));
count = strlen (q);
p = salloc_w (s, &count);
break;
case 'd':
- p = itoa (va_arg (arg, int));
+ p = gfc_itoa (va_arg (arg, int));
count = strlen (p);
memcpy (buffer, p, count);
void
show_locus (void)
{
-
if (!options.locus || filename == NULL)
return;
{
static int magic = 0;
+ /* Don't even try to print something at this point */
if (magic == MAGIC)
- sys_exit (4); /* Don't even try to print something at this point */
+ sys_exit (4);
magic = MAGIC;
}
void
os_error (const char *message)
{
-
recursion_check ();
-
show_locus ();
st_printf ("Operating system error: %s\n%s\n", get_oserror (), message);
-
sys_exit (1);
}
void
runtime_error (const char *message)
{
-
recursion_check ();
-
show_locus ();
st_printf ("Fortran runtime error: %s\n", message);
-
sys_exit (2);
}
+iexport(runtime_error);
/* void internal_error()-- These are this-can't-happen errors
void
internal_error (const char *message)
{
-
recursion_check ();
-
show_locus ();
st_printf ("Internal Error: %s\n", message);
sys_exit (3);
void
generate_error (int family, const char *message)
{
-
+ /* Set the error status. */
if (ioparm.iostat != NULL)
- {
- *ioparm.iostat = family;
- return;
- }
+ *ioparm.iostat = family;
+ /* Report status back to the compiler. */
switch (family)
{
case ERROR_EOR:
default:
ioparm.library_return = LIBRARY_ERROR;
+ if (ioparm.err != 0)
+ return;
break;
}
- if (ioparm.err != 0)
+ /* Return if the user supplied an iostat variable. */
+ if (ioparm.iostat != NULL)
return;
/* Terminate the program */
runtime_error (message);
}
+
+
+
+/* Possibly issue a warning/error about use of a nonstandard (or deleted)
+ feature. An error/warning will be issued if the currently selected
+ standard does not contain the requested bits. */
+
+try
+notify_std (int std, const char * message)
+{
+ int warning;
+
+ warning = compile_options.warn_std & std;
+ if ((compile_options.allow_std & std) != 0 && !warning)
+ return SUCCESS;
+
+ show_locus ();
+ if (!warning)
+ {
+ st_printf ("Fortran runtime error: %s\n", message);
+ sys_exit (2);
+ }
+ else
+ st_printf ("Fortran runtime warning: %s\n", message);
+ return FAILURE;
+}