-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Andy Vaught
Namelist input contributed by Paul Thomas
+ F2003 I/O support contributed by Jerry DeLisle
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran runtime library (libgfortran).
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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-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 Libgfortran; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
-#include "config.h"
+#include "io.h"
+#include "fbuf.h"
+#include "unix.h"
#include <string.h>
+#include <stdlib.h>
#include <ctype.h>
-#include "libgfortran.h"
-#include "io.h"
/* List directed input. Several parsing subroutines are practically
the repeat count. Since we can have a lot of potential leading
zeros, we have to be able to back up by arbitrary amount. Because
the input might not be seekable, we have to buffer the data
- ourselves. Data is buffered in scratch[] until it becomes too
- large, after which we start allocating memory on the heap. */
-
-static int repeat_count, saved_length, saved_used;
-static int input_complete, at_eol, comma_flag;
-static char last_char, *saved_string;
-static bt saved_type;
-
-/* A namelist specific flag used in the list directed library
- to flag that calls are being made from namelist read (eg. to ignore
- comments or to treat '/' as a terminator) */
-
-static int namelist_mode;
-
-/* A namelist specific flag used in the list directed library to flag
- read errors and return, so that an attempt can be made to read a
- new object name. */
-
-static int nml_read_error;
-
-/* Storage area for values except for strings. Must be large enough
- to hold a complex value (two reals) of the largest kind. */
-
-static char value[20];
+ ourselves. */
#define CASE_DIGITS case '0': case '1': case '2': case '3': case '4': \
case '5': case '6': case '7': case '8': case '9'
#define CASE_SEPARATORS case ' ': case ',': case '/': case '\n': case '\t': \
- case '\r'
+ case '\r': case ';'
/* This macro assumes that we're operating on a variable. */
#define is_separator(c) (c == '/' || c == ',' || c == '\n' || c == ' ' \
- || c == '\t' || c == '\r')
+ || c == '\t' || c == '\r' || c == ';')
/* Maximum repeat count. Less than ten times the maximum signed int32. */
#define MAX_REPEAT 200000000
+#ifndef HAVE_SNPRINTF
+# undef snprintf
+# define snprintf(str, size, ...) sprintf (str, __VA_ARGS__)
+#endif
/* Save a character to a string buffer, enlarging it as necessary. */
static void
-push_char (char c)
+push_char (st_parameter_dt *dtp, char c)
{
char *new;
- if (saved_string == NULL)
+ if (dtp->u.p.saved_string == NULL)
{
- saved_string = scratch;
- memset (saved_string,0,SCRATCH_SIZE);
- saved_length = SCRATCH_SIZE;
- saved_used = 0;
+ dtp->u.p.saved_string = get_mem (SCRATCH_SIZE);
+ // memset below should be commented out.
+ memset (dtp->u.p.saved_string, 0, SCRATCH_SIZE);
+ dtp->u.p.saved_length = SCRATCH_SIZE;
+ dtp->u.p.saved_used = 0;
}
- if (saved_used >= saved_length)
+ if (dtp->u.p.saved_used >= dtp->u.p.saved_length)
{
- saved_length = 2 * saved_length;
- new = get_mem (2 * saved_length);
-
- memset (new,0,2 * saved_length);
+ dtp->u.p.saved_length = 2 * dtp->u.p.saved_length;
+ new = realloc (dtp->u.p.saved_string, dtp->u.p.saved_length);
+ if (new == NULL)
+ generate_error (&dtp->common, LIBERROR_OS, NULL);
+ dtp->u.p.saved_string = new;
+
+ // Also this should not be necessary.
+ memset (new + dtp->u.p.saved_used, 0,
+ dtp->u.p.saved_length - dtp->u.p.saved_used);
- memcpy (new, saved_string, saved_used);
- if (saved_string != scratch)
- free_mem (saved_string);
-
- saved_string = new;
}
- saved_string[saved_used++] = c;
+ dtp->u.p.saved_string[dtp->u.p.saved_used++] = c;
}
/* Free the input buffer if necessary. */
static void
-free_saved (void)
+free_saved (st_parameter_dt *dtp)
{
- if (saved_string == NULL)
+ if (dtp->u.p.saved_string == NULL)
return;
- if (saved_string != scratch)
- free_mem (saved_string);
+ free (dtp->u.p.saved_string);
+
+ dtp->u.p.saved_string = NULL;
+ dtp->u.p.saved_used = 0;
+}
+
+
+/* Free the line buffer if necessary. */
+
+static void
+free_line (st_parameter_dt *dtp)
+{
+ dtp->u.p.item_count = 0;
+ dtp->u.p.line_buffer_enabled = 0;
+
+ if (dtp->u.p.line_buffer == NULL)
+ return;
- saved_string = NULL;
+ free (dtp->u.p.line_buffer);
+ dtp->u.p.line_buffer = NULL;
}
-static char
-next_char (void)
+static int
+next_char (st_parameter_dt *dtp)
{
- int length;
- char c, *p;
+ ssize_t length;
+ gfc_offset record;
+ int c;
- if (last_char != '\0')
+ if (dtp->u.p.last_char != EOF - 1)
{
- at_eol = 0;
- c = last_char;
- last_char = '\0';
+ dtp->u.p.at_eol = 0;
+ c = dtp->u.p.last_char;
+ dtp->u.p.last_char = EOF - 1;
goto done;
}
- length = 1;
+ /* Read from line_buffer if enabled. */
- p = salloc_r (current_unit->s, &length);
- if (p == NULL)
+ if (dtp->u.p.line_buffer_enabled)
{
- generate_error (ERROR_OS, NULL);
- return '\0';
+ dtp->u.p.at_eol = 0;
+
+ c = dtp->u.p.line_buffer[dtp->u.p.item_count];
+ if (c != '\0' && dtp->u.p.item_count < 64)
+ {
+ dtp->u.p.line_buffer[dtp->u.p.item_count] = '\0';
+ dtp->u.p.item_count++;
+ goto done;
+ }
+
+ dtp->u.p.item_count = 0;
+ dtp->u.p.line_buffer_enabled = 0;
+ }
+
+ /* Handle the end-of-record and end-of-file conditions for
+ internal array unit. */
+ if (is_array_io (dtp))
+ {
+ if (dtp->u.p.at_eof)
+ return EOF;
+
+ /* Check for "end-of-record" condition. */
+ if (dtp->u.p.current_unit->bytes_left == 0)
+ {
+ int finished;
+
+ c = '\n';
+ record = next_array_record (dtp, dtp->u.p.current_unit->ls,
+ &finished);
+
+ /* Check for "end-of-file" condition. */
+ if (finished)
+ {
+ dtp->u.p.at_eof = 1;
+ goto done;
+ }
+
+ record *= dtp->u.p.current_unit->recl;
+ if (sseek (dtp->u.p.current_unit->s, record, SEEK_SET) < 0)
+ return EOF;
+
+ dtp->u.p.current_unit->bytes_left = dtp->u.p.current_unit->recl;
+ goto done;
+ }
}
- if (length == 0)
+ /* Get the next character and handle end-of-record conditions. */
+
+ if (is_internal_unit (dtp))
{
- /* For internal files return a newline instead of signalling EOF. */
- /* ??? This isn't quite right, but we don't handle internal files
- with multiple records. */
- if (is_internal_unit ())
- c = '\n';
+ char cc;
+ length = sread (dtp->u.p.current_unit->s, &cc, 1);
+ c = cc;
+ if (length < 0)
+ {
+ generate_error (&dtp->common, LIBERROR_OS, NULL);
+ return '\0';
+ }
+
+ if (is_array_io (dtp))
+ {
+ /* Check whether we hit EOF. */
+ if (length == 0)
+ {
+ generate_error (&dtp->common, LIBERROR_INTERNAL_UNIT, NULL);
+ return '\0';
+ }
+ dtp->u.p.current_unit->bytes_left--;
+ }
else
- longjmp (g.eof_jump, 1);
+ {
+ if (dtp->u.p.at_eof)
+ return EOF;
+ if (length == 0)
+ {
+ c = '\n';
+ dtp->u.p.at_eof = 1;
+ }
+ }
}
else
- c = *p;
-
+ {
+ c = fbuf_getc (dtp->u.p.current_unit);
+ if (c != EOF && is_stream_io (dtp))
+ dtp->u.p.current_unit->strm_pos++;
+ }
done:
- at_eol = (c == '\n' || c == '\r');
+ dtp->u.p.at_eol = (c == '\n' || c == '\r' || c == EOF);
return c;
}
/* Push a character back onto the input. */
static void
-unget_char (char c)
+unget_char (st_parameter_dt *dtp, int c)
{
- last_char = c;
+ dtp->u.p.last_char = c;
}
/* Skip over spaces in the input. Returns the nonspace character that
terminated the eating and also places it back on the input. */
-static char
-eat_spaces (void)
+static int
+eat_spaces (st_parameter_dt *dtp)
{
- char c;
+ int c;
do
- {
- c = next_char ();
- }
- while (c == ' ' || c == '\t');
+ c = next_char (dtp);
+ while (c != EOF && (c == ' ' || c == '\t'));
- unget_char (c);
+ unget_char (dtp, c);
return c;
}
+/* This function reads characters through to the end of the current
+ line and just ignores them. Returns 0 for success and LIBERROR_END
+ if it hit EOF. */
+
+static int
+eat_line (st_parameter_dt *dtp)
+{
+ int c;
+
+ do
+ c = next_char (dtp);
+ while (c != EOF && c != '\n');
+ if (c == EOF)
+ return LIBERROR_END;
+ return 0;
+}
+
+
/* Skip over a separator. Technically, we don't always eat the whole
separator. This is because if we've processed the last input item,
then a separator is unnecessary. Plus the fact that operating
separator, we stop reading. If there are more input items, we
continue reading the separator with finish_separator() which takes
care of the fact that we may or may not have seen a comma as part
- of the separator. */
+ of the separator.
-static void
-eat_separator (void)
+ Returns 0 for success, and non-zero error code otherwise. */
+
+static int
+eat_separator (st_parameter_dt *dtp)
{
- char c;
+ int c, n;
+ int err = 0;
- eat_spaces ();
- comma_flag = 0;
+ eat_spaces (dtp);
+ dtp->u.p.comma_flag = 0;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return LIBERROR_END;
switch (c)
{
case ',':
- comma_flag = 1;
- eat_spaces ();
+ if (dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ {
+ unget_char (dtp, c);
+ break;
+ }
+ /* Fall through. */
+ case ';':
+ dtp->u.p.comma_flag = 1;
+ eat_spaces (dtp);
break;
case '/':
- input_complete = 1;
+ dtp->u.p.input_complete = 1;
break;
- case '\n':
case '\r':
- at_eol = 1;
+ dtp->u.p.at_eol = 1;
+ if ((n = next_char(dtp)) == EOF)
+ return LIBERROR_END;
+ if (n != '\n')
+ {
+ unget_char (dtp, n);
+ break;
+ }
+ /* Fall through. */
+ case '\n':
+ dtp->u.p.at_eol = 1;
+ if (dtp->u.p.namelist_mode)
+ {
+ do
+ {
+ if ((c = next_char (dtp)) == EOF)
+ return LIBERROR_END;
+ if (c == '!')
+ {
+ err = eat_line (dtp);
+ if (err)
+ return err;
+ if ((c = next_char (dtp)) == EOF)
+ return LIBERROR_END;
+ if (c == '!')
+ {
+ err = eat_line (dtp);
+ if (err)
+ return err;
+ if ((c = next_char (dtp)) == EOF)
+ return LIBERROR_END;
+ }
+ }
+ }
+ while (c == '\n' || c == '\r' || c == ' ' || c == '\t');
+ unget_char (dtp, c);
+ }
break;
case '!':
- if (namelist_mode)
+ if (dtp->u.p.namelist_mode)
{ /* Eat a namelist comment. */
- do
- c = next_char ();
- while (c != '\n');
+ err = eat_line (dtp);
+ if (err)
+ return err;
break;
}
/* Fall Through... */
default:
- unget_char (c);
+ unget_char (dtp, c);
break;
}
+ return err;
}
/* Finish processing a separator that was interrupted by a newline.
If we're here, then another data item is present, so we finish what
- we started on the previous line. */
+ we started on the previous line. Return 0 on success, error code
+ on failure. */
-static void
-finish_separator (void)
+static int
+finish_separator (st_parameter_dt *dtp)
{
- char c;
+ int c;
+ int err;
restart:
- eat_spaces ();
+ eat_spaces (dtp);
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return LIBERROR_END;
switch (c)
{
case ',':
- if (comma_flag)
- unget_char (c);
+ if (dtp->u.p.comma_flag)
+ unget_char (dtp, c);
else
{
- c = eat_spaces ();
- if (c == '\n')
+ if ((c = eat_spaces (dtp)) == EOF)
+ return LIBERROR_END;
+ if (c == '\n' || c == '\r')
goto restart;
}
break;
case '/':
- input_complete = 1;
- if (!namelist_mode) next_record (0);
+ dtp->u.p.input_complete = 1;
+ if (!dtp->u.p.namelist_mode)
+ return err;
break;
case '\n':
goto restart;
case '!':
- if (namelist_mode)
+ if (dtp->u.p.namelist_mode)
{
- do
- c = next_char ();
- while (c != '\n');
-
+ err = eat_line (dtp);
+ if (err)
+ return err;
goto restart;
}
default:
- unget_char (c);
+ unget_char (dtp, c);
break;
}
+ return err;
}
+
/* This function is needed to catch bad conversions so that namelist can
- attempt to see if saved_string contains a new object name rather than
- a bad value. */
+ attempt to see if dtp->u.p.saved_string contains a new object name rather
+ than a bad value. */
static int
-nml_bad_return (char c)
+nml_bad_return (st_parameter_dt *dtp, char c)
{
- if (namelist_mode)
+ if (dtp->u.p.namelist_mode)
{
- nml_read_error = 1;
- unget_char(c);
+ dtp->u.p.nml_read_error = 1;
+ unget_char (dtp, c);
return 1;
}
return 0;
/* Convert an unsigned string to an integer. The length value is -1
if we are working on a repeat count. Returns nonzero if we have a
- range problem. As a side effect, frees the saved_string. */
+ range problem. As a side effect, frees the dtp->u.p.saved_string. */
static int
-convert_integer (int length, int negative)
+convert_integer (st_parameter_dt *dtp, int length, int negative)
{
char c, *buffer, message[100];
int m;
GFC_INTEGER_LARGEST v, max, max10;
- buffer = saved_string;
+ buffer = dtp->u.p.saved_string;
v = 0;
max = (length == -1) ? MAX_REPEAT : max_value (length, 1);
{
if (negative)
v = -v;
- set_integer (value, v, length);
+ set_integer (dtp->u.p.value, v, length);
}
else
{
- repeat_count = v;
+ dtp->u.p.repeat_count = v;
- if (repeat_count == 0)
+ if (dtp->u.p.repeat_count == 0)
{
- st_sprintf (message, "Zero repeat count in item %d of list input",
- g.item_count);
+ sprintf (message, "Zero repeat count in item %d of list input",
+ dtp->u.p.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
m = 1;
}
}
- free_saved ();
+ free_saved (dtp);
return m;
overflow:
if (length == -1)
- st_sprintf (message, "Repeat count overflow in item %d of list input",
- g.item_count);
+ sprintf (message, "Repeat count overflow in item %d of list input",
+ dtp->u.p.item_count);
else
- st_sprintf (message, "Integer overflow while reading item %d",
- g.item_count);
+ sprintf (message, "Integer overflow while reading item %d",
+ dtp->u.p.item_count);
- free_saved ();
- generate_error (ERROR_READ_VALUE, message);
+ free_saved (dtp);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
should continue on. */
static int
-parse_repeat (void)
+parse_repeat (st_parameter_dt *dtp)
{
- char c, message[100];
- int repeat;
+ char message[100];
+ int c, repeat;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_repeat;
switch (c)
{
CASE_DIGITS:
break;
CASE_SEPARATORS:
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return 1;
default:
- unget_char (c);
+ unget_char (dtp, c);
return 0;
}
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
CASE_DIGITS:
if (repeat > MAX_REPEAT)
{
- st_sprintf (message,
- "Repeat count overflow in item %d of list input",
- g.item_count);
+ sprintf (message,
+ "Repeat count overflow in item %d of list input",
+ dtp->u.p.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
case '*':
if (repeat == 0)
{
- st_sprintf (message,
- "Zero repeat count in item %d of list input",
- g.item_count);
+ sprintf (message,
+ "Zero repeat count in item %d of list input",
+ dtp->u.p.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
}
done:
- repeat_count = repeat;
+ dtp->u.p.repeat_count = repeat;
return 0;
bad_repeat:
- st_sprintf (message, "Bad repeat count in item %d of list input",
- g.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return 1;
+ }
+ else
+ eat_line (dtp);
+ sprintf (message, "Bad repeat count in item %d of list input",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
+/* To read a logical we have to look ahead in the input stream to make sure
+ there is not an equal sign indicating a variable name. To do this we use
+ line_buffer to point to a temporary buffer, pushing characters there for
+ possible later reading. */
+
+static void
+l_push_char (st_parameter_dt *dtp, char c)
+{
+ if (dtp->u.p.line_buffer == NULL)
+ {
+ dtp->u.p.line_buffer = get_mem (SCRATCH_SIZE);
+ memset (dtp->u.p.line_buffer, 0, SCRATCH_SIZE);
+ }
+
+ dtp->u.p.line_buffer[dtp->u.p.item_count++] = c;
+}
+
+
/* Read a logical character on the input. */
static void
-read_logical (int length)
+read_logical (st_parameter_dt *dtp, int length)
{
- char c, message[100];
- int v;
+ char message[100];
+ int c, i, v;
- if (parse_repeat ())
+ if (parse_repeat (dtp))
return;
- c = next_char ();
+ c = tolower (next_char (dtp));
+ l_push_char (dtp, c);
switch (c)
{
case 't':
- case 'T':
v = 1;
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_logical;
+ l_push_char (dtp, c);
+
+ if (!is_separator(c))
+ goto possible_name;
+
+ unget_char (dtp, c);
break;
case 'f':
- case 'F':
v = 0;
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_logical;
+ l_push_char (dtp, c);
+
+ if (!is_separator(c))
+ goto possible_name;
+
+ unget_char (dtp, c);
break;
case '.':
- c = next_char ();
+ c = tolower (next_char (dtp));
switch (c)
{
- case 't':
- case 'T':
- v = 1;
- break;
- case 'f':
- case 'F':
- v = 0;
- break;
- default:
- goto bad_logical;
+ case 't':
+ v = 1;
+ break;
+ case 'f':
+ v = 0;
+ break;
+ default:
+ goto bad_logical;
}
break;
CASE_SEPARATORS:
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return; /* Null value. */
default:
+ /* Save the character in case it is the beginning
+ of the next object name. */
+ unget_char (dtp, c);
goto bad_logical;
}
- saved_type = BT_LOGICAL;
- saved_length = length;
+ dtp->u.p.saved_type = BT_LOGICAL;
+ dtp->u.p.saved_length = length;
/* Eat trailing garbage. */
do
- {
- c = next_char ();
- }
- while (!is_separator (c));
+ c = next_char (dtp);
+ while (c != EOF && !is_separator (c));
- unget_char (c);
- eat_separator ();
- free_saved ();
- set_integer ((int *) value, v, length);
+ unget_char (dtp, c);
+ eat_separator (dtp);
+ set_integer ((int *) dtp->u.p.value, v, length);
+ free_line (dtp);
return;
+ possible_name:
+
+ for(i = 0; i < 63; i++)
+ {
+ c = next_char (dtp);
+ if (is_separator(c))
+ {
+ /* All done if this is not a namelist read. */
+ if (!dtp->u.p.namelist_mode)
+ goto logical_done;
+
+ unget_char (dtp, c);
+ eat_separator (dtp);
+ c = next_char (dtp);
+ if (c != '=')
+ {
+ unget_char (dtp, c);
+ goto logical_done;
+ }
+ }
+
+ l_push_char (dtp, c);
+ if (c == '=')
+ {
+ dtp->u.p.nml_read_error = 1;
+ dtp->u.p.line_buffer_enabled = 1;
+ dtp->u.p.item_count = 0;
+ return;
+ }
+
+ }
+
bad_logical:
- if (nml_bad_return (c))
+ free_line (dtp);
+
+ if (nml_bad_return (dtp, c))
return;
- st_sprintf (message, "Bad logical value while reading item %d",
- g.item_count);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return;
+ }
+ else if (c != '\n')
+ eat_line (dtp);
+ sprintf (message, "Bad logical value while reading item %d",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
+ return;
- generate_error (ERROR_READ_VALUE, message);
+ logical_done:
+
+ dtp->u.p.saved_type = BT_LOGICAL;
+ dtp->u.p.saved_length = length;
+ set_integer ((int *) dtp->u.p.value, v, length);
+ free_saved (dtp);
+ free_line (dtp);
}
used for repeat counts. */
static void
-read_integer (int length)
+read_integer (st_parameter_dt *dtp, int length)
{
- char c, message[100];
- int negative;
+ char message[100];
+ int c, negative;
negative = 0;
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
case '-':
/* Fall through... */
case '+':
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_integer;
goto get_integer;
CASE_SEPARATORS: /* Single null. */
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return;
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
default:
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
case '*':
- push_char ('\0');
+ push_char (dtp, '\0');
goto repeat;
CASE_SEPARATORS: /* Not a repeat count. */
}
repeat:
- if (convert_integer (-1, 0))
+ if (convert_integer (dtp, -1, 0))
return;
/* Get the real integer. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_integer;
switch (c)
{
CASE_DIGITS:
break;
CASE_SEPARATORS:
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return;
case '-':
/* Fall through... */
case '+':
- c = next_char ();
+ c = next_char (dtp);
break;
}
get_integer:
if (!isdigit (c))
goto bad_integer;
- push_char (c);
+ push_char (dtp, c);
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
bad_integer:
- if (nml_bad_return (c))
+ if (nml_bad_return (dtp, c))
return;
- free_saved ();
-
- st_sprintf (message, "Bad integer for item %d in list input", g.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return;
+ }
+ else if (c != '\n')
+ eat_line (dtp);
+ sprintf (message, "Bad integer for item %d in list input",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return;
done:
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
- push_char ('\0');
- if (convert_integer (length, negative))
+ push_char (dtp, '\0');
+ if (convert_integer (dtp, length, negative))
{
- free_saved ();
+ free_saved (dtp);
return;
}
- free_saved ();
- saved_type = BT_INTEGER;
+ free_saved (dtp);
+ dtp->u.p.saved_type = BT_INTEGER;
}
/* Read a character variable. */
static void
-read_character (int length __attribute__ ((unused)))
+read_character (st_parameter_dt *dtp, int length __attribute__ ((unused)))
{
- char c, quote, message[100];
+ char quote, message[100];
+ int c;
quote = ' '; /* Space means no quote character. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto eof;
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
- unget_char (c); /* NULL value. */
- eat_separator ();
+ unget_char (dtp, c); /* NULL value. */
+ eat_separator (dtp);
return;
case '"':
goto get_string;
default:
- push_char (c);
+ if (dtp->u.p.namelist_mode)
+ {
+ unget_char (dtp, c);
+ return;
+ }
+
+ push_char (dtp, c);
goto get_string;
}
for (;;)
{
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto eof;
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
- unget_char (c);
+ unget_char (dtp, c);
goto done; /* String was only digits! */
case '*':
- push_char ('\0');
+ push_char (dtp, '\0');
goto got_repeat;
default:
- push_char (c);
+ push_char (dtp, c);
goto get_string; /* Not a repeat count after all. */
}
}
got_repeat:
- if (convert_integer (-1, 0))
+ if (convert_integer (dtp, -1, 0))
return;
/* Now get the real string. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto eof;
switch (c)
{
CASE_SEPARATORS:
- unget_char (c); /* Repeated NULL values. */
- eat_separator ();
+ unget_char (dtp, c); /* Repeated NULL values. */
+ eat_separator (dtp);
return;
case '"':
break;
default:
- push_char (c);
+ push_char (dtp, c);
break;
}
get_string:
for (;;)
{
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto eof;
switch (c)
{
case '"':
case '\'':
if (c != quote)
{
- push_char (c);
+ push_char (dtp, c);
break;
}
/* See if we have a doubled quote character or the end of
the string. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto eof;
if (c == quote)
{
- push_char (quote);
+ push_char (dtp, quote);
break;
}
- unget_char (c);
+ unget_char (dtp, c);
goto done;
CASE_SEPARATORS:
if (quote == ' ')
{
- unget_char (c);
+ unget_char (dtp, c);
goto done;
}
- if (c != '\n')
- push_char (c);
+ if (c != '\n' && c != '\r')
+ push_char (dtp, c);
break;
default:
- push_char (c);
+ push_char (dtp, c);
break;
}
}
/* At this point, we have to have a separator, or else the string is
invalid. */
done:
- c = next_char ();
- if (is_separator (c))
+ c = next_char (dtp);
+ eof:
+ if (is_separator (c) || c == '!')
{
- unget_char (c);
- eat_separator ();
- saved_type = BT_CHARACTER;
+ unget_char (dtp, c);
+ eat_separator (dtp);
+ dtp->u.p.saved_type = BT_CHARACTER;
+ free_line (dtp);
}
else
{
- free_saved ();
- st_sprintf (message, "Invalid string input in item %d", g.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return;
+ }
+ sprintf (message, "Invalid string input in item %d",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
}
}
are sure is already there. This is a straight real number parser. */
static int
-parse_real (void *buffer, int length)
+parse_real (st_parameter_dt *dtp, void *buffer, int length)
{
- char c, message[100];
- int m, seen_dp;
+ char message[100];
+ int c, m, seen_dp;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
+
if (c == '-' || c == '+')
{
- push_char (c);
- c = next_char ();
+ push_char (dtp, c);
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
}
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
+
if (!isdigit (c) && c != '.')
- goto bad;
+ {
+ if (c == 'i' || c == 'I' || c == 'n' || c == 'N')
+ goto inf_nan;
+ else
+ goto bad;
+ }
- push_char (c);
+ push_char (dtp, c);
seen_dp = (c == '.') ? 1 : 0;
for (;;)
{
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
case '.':
goto bad;
seen_dp = 1;
- push_char (c);
+ push_char (dtp, c);
break;
case 'e':
case 'E':
case 'd':
case 'D':
- push_char ('e');
+ push_char (dtp, 'e');
goto exp1;
case '-':
case '+':
- push_char ('e');
- push_char (c);
- c = next_char ();
+ push_char (dtp, 'e');
+ push_char (dtp, c);
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
goto exp2;
CASE_SEPARATORS:
- unget_char (c);
goto done;
default:
}
exp1:
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
if (c != '-' && c != '+')
- push_char ('+');
+ push_char (dtp, '+');
else
{
- push_char (c);
- c = next_char ();
+ push_char (dtp, c);
+ c = next_char (dtp);
}
exp2:
if (!isdigit (c))
goto bad;
- push_char (c);
+
+ push_char (dtp, c);
for (;;)
{
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad;
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
- unget_char (c);
+ unget_char (dtp, c);
goto done;
default:
}
done:
- unget_char (c);
- push_char ('\0');
+ unget_char (dtp, c);
+ push_char (dtp, '\0');
- m = convert_real (buffer, saved_string, length);
- free_saved ();
+ m = convert_real (dtp, buffer, dtp->u.p.saved_string, length);
+ free_saved (dtp);
return m;
+ inf_nan:
+ /* Match INF and Infinity. */
+ if ((c == 'i' || c == 'I')
+ && ((c = next_char (dtp)) == 'n' || c == 'N')
+ && ((c = next_char (dtp)) == 'f' || c == 'F'))
+ {
+ c = next_char (dtp);
+ if ((c != 'i' && c != 'I')
+ || ((c == 'i' || c == 'I')
+ && ((c = next_char (dtp)) == 'n' || c == 'N')
+ && ((c = next_char (dtp)) == 'i' || c == 'I')
+ && ((c = next_char (dtp)) == 't' || c == 'T')
+ && ((c = next_char (dtp)) == 'y' || c == 'Y')
+ && (c = next_char (dtp))))
+ {
+ if (is_separator (c))
+ unget_char (dtp, c);
+ push_char (dtp, 'i');
+ push_char (dtp, 'n');
+ push_char (dtp, 'f');
+ goto done;
+ }
+ } /* Match NaN. */
+ else if (((c = next_char (dtp)) == 'a' || c == 'A')
+ && ((c = next_char (dtp)) == 'n' || c == 'N')
+ && (c = next_char (dtp)))
+ {
+ if (is_separator (c))
+ unget_char (dtp, c);
+ push_char (dtp, 'n');
+ push_char (dtp, 'a');
+ push_char (dtp, 'n');
+
+ /* Match "NAN(alphanum)". */
+ if (c == '(')
+ {
+ for ( ; c != ')'; c = next_char (dtp))
+ if (is_separator (c))
+ goto bad;
+
+ c = next_char (dtp);
+ if (is_separator (c))
+ unget_char (dtp, c);
+ }
+ goto done;
+ }
+
bad:
- free_saved ();
- st_sprintf (message, "Bad floating point number for item %d", g.item_count);
- generate_error (ERROR_READ_VALUE, message);
+
+ if (nml_bad_return (dtp, c))
+ return 0;
+
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return 1;
+ }
+ else if (c != '\n')
+ eat_line (dtp);
+ sprintf (message, "Bad floating point number for item %d",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
what it is right away. */
static void
-read_complex (int length)
+read_complex (st_parameter_dt *dtp, void * dest, int kind, size_t size)
{
char message[100];
- char c;
+ int c;
- if (parse_repeat ())
+ if (parse_repeat (dtp))
return;
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
case '(':
break;
CASE_SEPARATORS:
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return;
default:
goto bad_complex;
}
- eat_spaces ();
- if (parse_real (value, length))
+eol_1:
+ eat_spaces (dtp);
+ c = next_char (dtp);
+ if (c == '\n' || c== '\r')
+ goto eol_1;
+ else
+ unget_char (dtp, c);
+
+ if (parse_real (dtp, dest, kind))
return;
- eat_spaces ();
- if (next_char () != ',')
+eol_2:
+ eat_spaces (dtp);
+ c = next_char (dtp);
+ if (c == '\n' || c== '\r')
+ goto eol_2;
+ else
+ unget_char (dtp, c);
+
+ if (next_char (dtp)
+ != (dtp->u.p.current_unit->decimal_status == DECIMAL_POINT ? ',' : ';'))
goto bad_complex;
- eat_spaces ();
- if (parse_real (value + length, length))
+eol_3:
+ eat_spaces (dtp);
+ c = next_char (dtp);
+ if (c == '\n' || c== '\r')
+ goto eol_3;
+ else
+ unget_char (dtp, c);
+
+ if (parse_real (dtp, dest + size / 2, kind))
return;
+
+eol_4:
+ eat_spaces (dtp);
+ c = next_char (dtp);
+ if (c == '\n' || c== '\r')
+ goto eol_4;
+ else
+ unget_char (dtp, c);
- eat_spaces ();
- if (next_char () != ')')
+ if (next_char (dtp) != ')')
goto bad_complex;
- c = next_char ();
+ c = next_char (dtp);
if (!is_separator (c))
goto bad_complex;
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
- free_saved ();
- saved_type = BT_COMPLEX;
+ free_saved (dtp);
+ dtp->u.p.saved_type = BT_COMPLEX;
return;
bad_complex:
- if (nml_bad_return (c))
+ if (nml_bad_return (dtp, c))
return;
- st_sprintf (message, "Bad complex value in item %d of list input",
- g.item_count);
-
- generate_error (ERROR_READ_VALUE, message);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return;
+ }
+ else if (c != '\n')
+ eat_line (dtp);
+ sprintf (message, "Bad complex value in item %d of list input",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
}
/* Parse a real number with a possible repeat count. */
static void
-read_real (int length)
+read_real (st_parameter_dt *dtp, void * dest, int length)
{
- char c, message[100];
+ char message[100];
+ int c;
int seen_dp;
+ int is_inf;
seen_dp = 0;
- c = next_char ();
+ c = next_char (dtp);
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
case '.':
- push_char (c);
+ push_char (dtp, c);
seen_dp = 1;
break;
goto got_sign;
CASE_SEPARATORS:
- unget_char (c); /* Single null. */
- eat_separator ();
+ unget_char (dtp, c); /* Single null. */
+ eat_separator (dtp);
return;
+ case 'i':
+ case 'I':
+ case 'n':
+ case 'N':
+ goto inf_nan;
+
default:
goto bad_real;
}
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
case '.':
- if (seen_dp)
- goto bad_real;
+ if (seen_dp)
+ goto bad_real;
seen_dp = 1;
- push_char (c);
+ push_char (dtp, c);
goto real_loop;
case 'E':
case '+':
case '-':
- push_char ('e');
- push_char (c);
- c = next_char ();
+ push_char (dtp, 'e');
+ push_char (dtp, c);
+ c = next_char (dtp);
goto exp2;
case '*':
- push_char ('\0');
+ push_char (dtp, '\0');
goto got_repeat;
CASE_SEPARATORS:
- if (c != '\n' && c != ',' && c != '\r')
- unget_char (c);
+ if (c != '\n' && c != ',' && c != '\r' && c != ';')
+ unget_char (dtp, c);
goto done;
default:
}
got_repeat:
- if (convert_integer (-1, 0))
+ if (convert_integer (dtp, -1, 0))
return;
/* Now get the number itself. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_real;
if (is_separator (c))
{ /* Repeated null value. */
- unget_char (c);
- eat_separator ();
+ unget_char (dtp, c);
+ eat_separator (dtp);
return;
}
if (c != '-' && c != '+')
- push_char ('+');
+ push_char (dtp, '+');
else
{
got_sign:
- push_char (c);
- c = next_char ();
+ push_char (dtp, c);
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_real;
}
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
+
if (!isdigit (c) && c != '.')
- goto bad_real;
+ {
+ if (c == 'i' || c == 'I' || c == 'n' || c == 'N')
+ goto inf_nan;
+ else
+ goto bad_real;
+ }
if (c == '.')
{
seen_dp = 1;
}
- push_char (c);
+ push_char (dtp, c);
real_loop:
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
+ if (c == ',' && dtp->u.p.current_unit->decimal_status == DECIMAL_COMMA)
+ c = '.';
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
+ case EOF:
goto done;
case '.':
goto bad_real;
seen_dp = 1;
- push_char (c);
+ push_char (dtp, c);
break;
case 'E':
case '+':
case '-':
- push_char ('e');
- push_char (c);
- c = next_char ();
+ push_char (dtp, 'e');
+ push_char (dtp, c);
+ c = next_char (dtp);
goto exp2;
default:
}
exp1:
- push_char ('e');
+ push_char (dtp, 'e');
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_real;
if (c != '+' && c != '-')
- push_char ('+');
+ push_char (dtp, '+');
else
{
- push_char (c);
- c = next_char ();
+ push_char (dtp, c);
+ c = next_char (dtp);
}
exp2:
if (!isdigit (c))
goto bad_real;
- push_char (c);
+ push_char (dtp, c);
for (;;)
{
- c = next_char ();
+ c = next_char (dtp);
switch (c)
{
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
break;
CASE_SEPARATORS:
}
done:
- unget_char (c);
- eat_separator ();
- push_char ('\0');
- if (convert_real (value, saved_string, length))
+ unget_char (dtp, c);
+ eat_separator (dtp);
+ push_char (dtp, '\0');
+ if (convert_real (dtp, dest, dtp->u.p.saved_string, length))
return;
- free_saved ();
- saved_type = BT_REAL;
+ free_saved (dtp);
+ dtp->u.p.saved_type = BT_REAL;
return;
+ inf_nan:
+ l_push_char (dtp, c);
+ is_inf = 0;
+
+ /* Match INF and Infinity. */
+ if (c == 'i' || c == 'I')
+ {
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'n' && c != 'N')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'f' && c != 'F')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (!is_separator (c))
+ {
+ if (c != 'i' && c != 'I')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'n' && c != 'N')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'i' && c != 'I')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 't' && c != 'T')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'y' && c != 'Y')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ }
+ is_inf = 1;
+ } /* Match NaN. */
+ else
+ {
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'a' && c != 'A')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ if (c != 'n' && c != 'N')
+ goto unwind;
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+
+ /* Match NAN(alphanum). */
+ if (c == '(')
+ {
+ for (c = next_char (dtp); c != ')'; c = next_char (dtp))
+ if (is_separator (c))
+ goto unwind;
+ else
+ l_push_char (dtp, c);
+
+ l_push_char (dtp, ')');
+ c = next_char (dtp);
+ l_push_char (dtp, c);
+ }
+ }
+
+ if (!is_separator (c))
+ goto unwind;
+
+ if (dtp->u.p.namelist_mode)
+ {
+ if (c == ' ' || c =='\n' || c == '\r')
+ {
+ do
+ {
+ if ((c = next_char (dtp)) == EOF)
+ goto bad_real;
+ }
+ while (c == ' ' || c =='\n' || c == '\r');
+
+ l_push_char (dtp, c);
+
+ if (c == '=')
+ goto unwind;
+ }
+ }
+
+ if (is_inf)
+ {
+ push_char (dtp, 'i');
+ push_char (dtp, 'n');
+ push_char (dtp, 'f');
+ }
+ else
+ {
+ push_char (dtp, 'n');
+ push_char (dtp, 'a');
+ push_char (dtp, 'n');
+ }
+
+ free_line (dtp);
+ goto done;
+
+ unwind:
+ if (dtp->u.p.namelist_mode)
+ {
+ dtp->u.p.nml_read_error = 1;
+ dtp->u.p.line_buffer_enabled = 1;
+ dtp->u.p.item_count = 0;
+ return;
+ }
+
bad_real:
- if (nml_bad_return (c))
+ if (nml_bad_return (dtp, c))
return;
- st_sprintf (message, "Bad real number in item %d of list input",
- g.item_count);
+ free_saved (dtp);
+ if (c == EOF)
+ {
+ hit_eof (dtp);
+ return;
+ }
+ else if (c != '\n')
+ eat_line (dtp);
- generate_error (ERROR_READ_VALUE, message);
+ sprintf (message, "Bad real number in item %d of list input",
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
}
compatible. Returns nonzero if incompatible. */
static int
-check_type (bt type, int len)
+check_type (st_parameter_dt *dtp, bt type, int len)
{
char message[100];
- if (saved_type != BT_NULL && saved_type != type)
+ if (dtp->u.p.saved_type != BT_UNKNOWN && dtp->u.p.saved_type != type)
{
- st_sprintf (message, "Read type %s where %s was expected for item %d",
- type_name (saved_type), type_name (type), g.item_count);
+ sprintf (message, "Read type %s where %s was expected for item %d",
+ type_name (dtp->u.p.saved_type), type_name (type),
+ dtp->u.p.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
- if (saved_type == BT_NULL || saved_type == BT_CHARACTER)
+ if (dtp->u.p.saved_type == BT_UNKNOWN || dtp->u.p.saved_type == BT_CHARACTER)
return 0;
- if (saved_length != len)
+ if (dtp->u.p.saved_length != len)
{
- st_sprintf (message,
+ sprintf (message,
"Read kind %d %s where kind %d is required for item %d",
- saved_length, type_name (saved_type), len, g.item_count);
- generate_error (ERROR_READ_VALUE, message);
+ dtp->u.p.saved_length, type_name (dtp->u.p.saved_type), len,
+ dtp->u.p.item_count);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, message);
return 1;
}
/* Top level data transfer subroutine for list reads. Because we have
to deal with repeat counts, the data item is always saved after
- reading, usually in the value[] array. If a repeat count is
+ reading, usually in the dtp->u.p.value[] array. If a repeat count is
greater than one, we copy the data item multiple times. */
-void
-list_formatted_read (bt type, void *p, int len)
+static int
+list_formatted_read_scalar (st_parameter_dt *dtp, bt type, void *p,
+ int kind, size_t size)
{
- char c;
- int m;
+ gfc_char4_t *q;
+ int c, i, m;
+ int err = 0;
- namelist_mode = 0;
+ dtp->u.p.namelist_mode = 0;
- if (setjmp (g.eof_jump))
+ if (dtp->u.p.first_item)
{
- generate_error (ERROR_END, NULL);
- return;
- }
-
- if (g.first_item)
- {
- g.first_item = 0;
- input_complete = 0;
- repeat_count = 1;
- at_eol = 0;
-
- c = eat_spaces ();
+ dtp->u.p.first_item = 0;
+ dtp->u.p.input_complete = 0;
+ dtp->u.p.repeat_count = 1;
+ dtp->u.p.at_eol = 0;
+
+ if ((c = eat_spaces (dtp)) == EOF)
+ {
+ err = LIBERROR_END;
+ goto cleanup;
+ }
if (is_separator (c))
- { /* Found a null value. */
- eat_separator ();
- repeat_count = 0;
- if (at_eol)
- finish_separator ();
- else
- return;
+ {
+ /* Found a null value. */
+ eat_separator (dtp);
+ dtp->u.p.repeat_count = 0;
+
+ /* eat_separator sets this flag if the separator was a comma. */
+ if (dtp->u.p.comma_flag)
+ goto cleanup;
+
+ /* eat_separator sets this flag if the separator was a \n or \r. */
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
+ else
+ goto cleanup;
}
}
else
{
- if (input_complete)
- return;
-
- if (repeat_count > 0)
+ if (dtp->u.p.repeat_count > 0)
{
- if (check_type (type, len))
- return;
+ if (check_type (dtp, type, kind))
+ return err;
goto set_value;
}
+
+ if (dtp->u.p.input_complete)
+ goto cleanup;
- if (at_eol)
- finish_separator ();
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
else
{
- eat_spaces ();
- /* trailing spaces prior to end of line */
- if (at_eol)
- finish_separator ();
+ eat_spaces (dtp);
+ /* Trailing spaces prior to end of line. */
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
}
- saved_type = BT_NULL;
- repeat_count = 1;
+ dtp->u.p.saved_type = BT_UNKNOWN;
+ dtp->u.p.repeat_count = 1;
}
switch (type)
{
case BT_INTEGER:
- read_integer (len);
+ read_integer (dtp, kind);
break;
case BT_LOGICAL:
- read_logical (len);
+ read_logical (dtp, kind);
break;
case BT_CHARACTER:
- read_character (len);
+ read_character (dtp, kind);
break;
case BT_REAL:
- read_real (len);
+ read_real (dtp, p, kind);
+ /* Copy value back to temporary if needed. */
+ if (dtp->u.p.repeat_count > 0)
+ memcpy (dtp->u.p.value, p, kind);
break;
case BT_COMPLEX:
- read_complex (len);
+ read_complex (dtp, p, kind, size);
+ /* Copy value back to temporary if needed. */
+ if (dtp->u.p.repeat_count > 0)
+ memcpy (dtp->u.p.value, p, size);
break;
default:
- internal_error ("Bad type for list read");
+ internal_error (&dtp->common, "Bad type for list read");
}
- if (saved_type != BT_CHARACTER && saved_type != BT_NULL)
- saved_length = len;
+ if (dtp->u.p.saved_type != BT_CHARACTER && dtp->u.p.saved_type != BT_UNKNOWN)
+ dtp->u.p.saved_length = size;
- if (ioparm.library_return != LIBRARY_OK)
- return;
+ if ((dtp->common.flags & IOPARM_LIBRETURN_MASK) != IOPARM_LIBRETURN_OK)
+ goto cleanup;
set_value:
- switch (saved_type)
+ switch (dtp->u.p.saved_type)
{
case BT_COMPLEX:
- len = 2 * len;
- /* Fall through. */
+ case BT_REAL:
+ if (dtp->u.p.repeat_count > 0)
+ memcpy (p, dtp->u.p.value, size);
+ break;
case BT_INTEGER:
- case BT_REAL:
case BT_LOGICAL:
- memcpy (p, value, len);
+ memcpy (p, dtp->u.p.value, size);
break;
case BT_CHARACTER:
- if (saved_string)
- {
- m = (len < saved_used) ? len : saved_used;
- memcpy (p, saved_string, m);
- }
+ if (dtp->u.p.saved_string)
+ {
+ m = ((int) size < dtp->u.p.saved_used)
+ ? (int) size : dtp->u.p.saved_used;
+ if (kind == 1)
+ memcpy (p, dtp->u.p.saved_string, m);
+ else
+ {
+ q = (gfc_char4_t *) p;
+ for (i = 0; i < m; i++)
+ q[i] = (unsigned char) dtp->u.p.saved_string[i];
+ }
+ }
else
/* Just delimiters encountered, nothing to copy but SPACE. */
m = 0;
- if (m < len)
- memset (((char *) p) + m, ' ', len - m);
+ if (m < (int) size)
+ {
+ if (kind == 1)
+ memset (((char *) p) + m, ' ', size - m);
+ else
+ {
+ q = (gfc_char4_t *) p;
+ for (i = m; i < (int) size; i++)
+ q[i] = (unsigned char) ' ';
+ }
+ }
break;
- case BT_NULL:
+ case BT_UNKNOWN:
break;
+
+ default:
+ internal_error (&dtp->common, "Bad type for list read");
}
- if (--repeat_count <= 0)
- free_saved ();
+ if (--dtp->u.p.repeat_count <= 0)
+ free_saved (dtp);
+
+cleanup:
+ if (err == LIBERROR_END)
+ hit_eof (dtp);
+ return err;
}
+
void
-init_at_eol(void)
+list_formatted_read (st_parameter_dt *dtp, bt type, void *p, int kind,
+ size_t size, size_t nelems)
{
- at_eol = 0;
+ size_t elem;
+ char *tmp;
+ size_t stride = type == BT_CHARACTER ?
+ size * GFC_SIZE_OF_CHAR_KIND(kind) : size;
+ int err;
+
+ tmp = (char *) p;
+
+ /* Big loop over all the elements. */
+ for (elem = 0; elem < nelems; elem++)
+ {
+ dtp->u.p.item_count++;
+ err = list_formatted_read_scalar (dtp, type, tmp + stride*elem,
+ kind, size);
+ if (err)
+ break;
+ }
}
+
/* Finish a list read. */
void
-finish_list_read (void)
+finish_list_read (st_parameter_dt *dtp)
{
- char c;
+ int err;
+
+ free_saved (dtp);
- free_saved ();
+ fbuf_flush (dtp->u.p.current_unit, dtp->u.p.mode);
- if (at_eol)
+ if (dtp->u.p.at_eol)
{
- at_eol = 0;
+ dtp->u.p.at_eol = 0;
return;
}
- do
- {
- c = next_char ();
- }
- while (c != '\n');
+ err = eat_line (dtp);
+ if (err == LIBERROR_END)
+ hit_eof (dtp);
}
/* NAMELIST INPUT
-void namelist_read (void)
+void namelist_read (st_parameter_dt *dtp)
calls:
static void nml_match_name (char *name, int len)
- static int nml_query (void)
- static int nml_get_obj_data (void)
+ static int nml_query (st_parameter_dt *dtp)
+ static int nml_get_obj_data (st_parameter_dt *dtp,
+ namelist_info **prev_nl, char *, size_t)
calls:
- static void nml_untouch_nodes (void)
- static namelist_info * find_nml_node (char * var_name)
+ static void nml_untouch_nodes (st_parameter_dt *dtp)
+ static namelist_info * find_nml_node (st_parameter_dt *dtp,
+ char * var_name)
static int nml_parse_qualifier(descriptor_dimension * ad,
- nml_loop_spec * ls, int rank)
+ array_loop_spec * ls, int rank, char *)
static void nml_touch_nodes (namelist_info * nl)
- static int nml_read_obj (namelist_info * nl, index_type offset)
+ static int nml_read_obj (namelist_info *nl, index_type offset,
+ namelist_info **prev_nl, char *, size_t,
+ index_type clow, index_type chigh)
calls:
-itself- */
-/* Carries error messages from the qualifier parser. */
-static char parse_err_msg[30];
-
-/* Carries error messages for error returns. */
-static char nml_err_msg[100];
-
-/* Pointer to the previously read object, in case attempt is made to read
- new object name. Should this fail, error message can give previous
- name. */
-
-static namelist_info * prev_nl;
-
-/* Lower index for substring qualifier. */
-
-static index_type clow;
-
-/* Upper index for substring qualifier. */
-
-static index_type chigh;
-
/* Inputs a rank-dimensional qualifier, which can contain
singlets, doublets, triplets or ':' with the standard meanings. */
static try
-nml_parse_qualifier(descriptor_dimension * ad,
- nml_loop_spec * ls, int rank)
+nml_parse_qualifier (st_parameter_dt *dtp, descriptor_dimension *ad,
+ array_loop_spec *ls, int rank, char *parse_err_msg,
+ int *parsed_rank)
{
int dim;
int indx;
int neg;
int null_flag;
- char c;
+ int is_array_section, is_char;
+ int c;
+
+ is_char = 0;
+ is_array_section = 0;
+ dtp->u.p.expanded_read = 0;
+
+ /* See if this is a character substring qualifier we are looking for. */
+ if (rank == -1)
+ {
+ rank = 1;
+ is_char = 1;
+ }
/* The next character in the stream should be the '('. */
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
/* Process the qualifier, by dimension and triplet. */
{
for (indx=0; indx<3; indx++)
{
- free_saved ();
- eat_spaces ();
+ free_saved (dtp);
+ eat_spaces (dtp);
neg = 0;
- /*process a potential sign. */
-
- c = next_char ();
+ /* Process a potential sign. */
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
switch (c)
{
case '-':
break;
default:
- unget_char (c);
+ unget_char (dtp, c);
break;
}
- /*process characters up to the next ':' , ',' or ')' */
-
+ /* Process characters up to the next ':' , ',' or ')'. */
for (;;)
{
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
switch (c)
{
case ':':
+ is_array_section = 1;
break;
case ',': case ')':
- if ( (c==',' && dim == rank -1)
- || (c==')' && dim < rank -1))
+ if ((c==',' && dim == rank -1)
+ || (c==')' && dim < rank -1))
{
- st_sprintf (parse_err_msg,
- "Bad number of index fields");
+ if (is_char)
+ sprintf (parse_err_msg, "Bad substring qualifier");
+ else
+ sprintf (parse_err_msg, "Bad number of index fields");
goto err_ret;
}
break;
CASE_DIGITS:
- push_char (c);
+ push_char (dtp, c);
continue;
case ' ': case '\t':
- eat_spaces ();
- c = next_char ();
+ eat_spaces (dtp);
+ if ((c = next_char (dtp) == EOF))
+ return FAILURE;
break;
default:
- st_sprintf (parse_err_msg, "Bad character in index");
+ if (is_char)
+ sprintf (parse_err_msg,
+ "Bad character in substring qualifier");
+ else
+ sprintf (parse_err_msg, "Bad character in index");
+ goto err_ret;
+ }
+
+ if ((c == ',' || c == ')') && indx == 0
+ && dtp->u.p.saved_string == 0)
+ {
+ if (is_char)
+ sprintf (parse_err_msg, "Null substring qualifier");
+ else
+ sprintf (parse_err_msg, "Null index field");
goto err_ret;
}
- if (( c==',' || c==')') && indx==0 && saved_string == 0 )
+ if ((c == ':' && indx == 1 && dtp->u.p.saved_string == 0)
+ || (indx == 2 && dtp->u.p.saved_string == 0))
{
- st_sprintf (parse_err_msg, "Null index field");
+ if (is_char)
+ sprintf (parse_err_msg, "Bad substring qualifier");
+ else
+ sprintf (parse_err_msg, "Bad index triplet");
goto err_ret;
}
- if ( ( c==':' && indx==1 && saved_string == 0)
- || (indx==2 && saved_string == 0))
+ if (is_char && !is_array_section)
{
- st_sprintf(parse_err_msg, "Bad index triplet");
+ sprintf (parse_err_msg,
+ "Missing colon in substring qualifier");
goto err_ret;
}
/* If '( : ? )' or '( ? : )' break and flag read failure. */
null_flag = 0;
- if ( (c==':' && indx==0 && saved_string == 0)
- || (indx==1 && saved_string == 0))
+ if ((c == ':' && indx == 0 && dtp->u.p.saved_string == 0)
+ || (indx==1 && dtp->u.p.saved_string == 0))
{
null_flag = 1;
break;
}
/* Now read the index. */
-
- if (convert_integer (sizeof(int),neg))
+ if (convert_integer (dtp, sizeof(ssize_t), neg))
{
- st_sprintf (parse_err_msg, "Bad integer in index");
+ if (is_char)
+ sprintf (parse_err_msg, "Bad integer substring qualifier");
+ else
+ sprintf (parse_err_msg, "Bad integer in index");
goto err_ret;
}
break;
}
- /*feed the index values to the triplet arrays. */
-
+ /* Feed the index values to the triplet arrays. */
if (!null_flag)
{
if (indx == 0)
- ls[dim].start = *(int *)value;
+ memcpy (&ls[dim].start, dtp->u.p.value, sizeof(ssize_t));
if (indx == 1)
- ls[dim].end = *(int *)value;
+ memcpy (&ls[dim].end, dtp->u.p.value, sizeof(ssize_t));
if (indx == 2)
- ls[dim].step = *(int *)value;
+ memcpy (&ls[dim].step, dtp->u.p.value, sizeof(ssize_t));
}
- /*singlet or doublet indices */
-
+ /* Singlet or doublet indices. */
if (c==',' || c==')')
{
if (indx == 0)
{
- ls[dim].start = *(int *)value;
- ls[dim].end = *(int *)value;
+ memcpy (&ls[dim].start, dtp->u.p.value, sizeof(ssize_t));
+
+ /* If -std=f95/2003 or an array section is specified,
+ do not allow excess data to be processed. */
+ if (is_array_section == 1
+ || !(compile_options.allow_std & GFC_STD_GNU)
+ || !dtp->u.p.ionml->touched
+ || dtp->u.p.ionml->type == BT_DERIVED)
+ ls[dim].end = ls[dim].start;
+ else
+ dtp->u.p.expanded_read = 1;
}
+
+ /* Check for non-zero rank. */
+ if (is_array_section == 1 && ls[dim].start != ls[dim].end)
+ *parsed_rank = 1;
+
break;
}
}
- /*Check the values of the triplet indices. */
+ if (is_array_section == 1 && dtp->u.p.expanded_read == 1)
+ {
+ int i;
+ dtp->u.p.expanded_read = 0;
+ for (i = 0; i < dim; i++)
+ ls[i].end = ls[i].start;
+ }
- if ( (ls[dim].start > (ssize_t)ad[dim].ubound)
- || (ls[dim].start < (ssize_t)ad[dim].lbound)
- || (ls[dim].end > (ssize_t)ad[dim].ubound)
- || (ls[dim].end < (ssize_t)ad[dim].lbound))
+ /* Check the values of the triplet indices. */
+ if ((ls[dim].start > (ssize_t) GFC_DIMENSION_UBOUND(ad[dim]))
+ || (ls[dim].start < (ssize_t) GFC_DIMENSION_LBOUND(ad[dim]))
+ || (ls[dim].end > (ssize_t) GFC_DIMENSION_UBOUND(ad[dim]))
+ || (ls[dim].end < (ssize_t) GFC_DIMENSION_LBOUND(ad[dim])))
{
- st_sprintf (parse_err_msg, "Index %d out of range", dim + 1);
+ if (is_char)
+ sprintf (parse_err_msg, "Substring out of range");
+ else
+ sprintf (parse_err_msg, "Index %d out of range", dim + 1);
goto err_ret;
}
+
if (((ls[dim].end - ls[dim].start ) * ls[dim].step < 0)
- || (ls[dim].step == 0))
+ || (ls[dim].step == 0))
{
- st_sprintf (parse_err_msg, "Bad range in index %d", dim + 1);
+ sprintf (parse_err_msg, "Bad range in index %d", dim + 1);
goto err_ret;
}
/* Initialise the loop index counter. */
-
ls[dim].idx = ls[dim].start;
-
}
- eat_spaces ();
+ eat_spaces (dtp);
return SUCCESS;
err_ret:
}
static namelist_info *
-find_nml_node (char * var_name)
+find_nml_node (st_parameter_dt *dtp, char * var_name)
{
- namelist_info * t = ionml;
+ namelist_info * t = dtp->u.p.ionml;
while (t != NULL)
{
- if (strcmp (var_name,t->var_name) == 0)
+ if (strcmp (var_name, t->var_name) == 0)
{
t->touched = 1;
return t;
index_type len = strlen (nl->var_name) + 1;
int dim;
char * ext_name = (char*)get_mem (len + 1);
- strcpy (ext_name, nl->var_name);
- strcat (ext_name, "%");
+ memcpy (ext_name, nl->var_name, len-1);
+ memcpy (ext_name + len - 1, "%", 2);
for (nl = nl->next; nl; nl = nl->next)
{
if (strncmp (nl->var_name, ext_name, len) == 0)
for (dim=0; dim < nl->var_rank; dim++)
{
nl->ls[dim].step = 1;
- nl->ls[dim].end = nl->dim[dim].ubound;
- nl->ls[dim].start = nl->dim[dim].lbound;
+ nl->ls[dim].end = GFC_DESCRIPTOR_UBOUND(nl,dim);
+ nl->ls[dim].start = GFC_DESCRIPTOR_LBOUND(nl,dim);
nl->ls[dim].idx = nl->ls[dim].start;
}
}
else
break;
}
- free_mem (ext_name);
+ free (ext_name);
return;
}
new object. */
static void
-nml_untouch_nodes (void)
+nml_untouch_nodes (st_parameter_dt *dtp)
{
namelist_info * t;
- for (t = ionml; t; t = t->next)
+ for (t = dtp->u.p.ionml; t; t = t->next)
t->touched = 0;
return;
}
-/* Attempts to input name to namelist name. Returns nml_read_error = 1
- on no match. */
+/* Attempts to input name to namelist name. Returns
+ dtp->u.p.nml_read_error = 1 on no match. */
static void
-nml_match_name (const char *name, index_type len)
+nml_match_name (st_parameter_dt *dtp, const char *name, index_type len)
{
index_type i;
- char c;
- nml_read_error = 0;
+ int c;
+
+ dtp->u.p.nml_read_error = 0;
for (i = 0; i < len; i++)
{
- c = next_char ();
- if (tolower (c) != tolower (name[i]))
+ c = next_char (dtp);
+ if (c == EOF || (tolower (c) != tolower (name[i])))
{
- nml_read_error = 1;
+ dtp->u.p.nml_read_error = 1;
break;
}
}
the names alone are printed. */
static void
-nml_query (char c)
+nml_query (st_parameter_dt *dtp, char c)
{
gfc_unit * temp_unit;
namelist_info * nl;
index_type len;
char * p;
-
- if (current_unit->unit_number != options.stdin_unit)
+#ifdef HAVE_CRLF
+ static const index_type endlen = 3;
+ static const char endl[] = "\r\n";
+ static const char nmlend[] = "&end\r\n";
+#else
+ static const index_type endlen = 2;
+ static const char endl[] = "\n";
+ static const char nmlend[] = "&end\n";
+#endif
+
+ if (dtp->u.p.current_unit->unit_number != options.stdin_unit)
return;
/* Store the current unit and transfer to stdout. */
- temp_unit = current_unit;
- current_unit = find_unit (options.stdout_unit);
+ temp_unit = dtp->u.p.current_unit;
+ dtp->u.p.current_unit = find_unit (options.stdout_unit);
- if (current_unit)
+ if (dtp->u.p.current_unit)
{
- g.mode =WRITING;
- next_record (0);
+ dtp->u.p.mode = WRITING;
+ next_record (dtp, 0);
/* Write the namelist in its entirety. */
if (c == '=')
- namelist_write ();
+ namelist_write (dtp);
/* Or write the list of names. */
else
{
-
/* "&namelist_name\n" */
- len = ioparm.namelist_name_len;
- p = write_block (len + 2);
- if (!p)
- goto query_return;
+ len = dtp->namelist_name_len;
+ p = write_block (dtp, len + endlen);
+ if (!p)
+ goto query_return;
memcpy (p, "&", 1);
- memcpy ((char*)(p + 1), ioparm.namelist_name, len);
- memcpy ((char*)(p + len + 1), "\n", 1);
- for (nl =ionml; nl; nl = nl->next)
+ memcpy ((char*)(p + 1), dtp->namelist_name, len);
+ memcpy ((char*)(p + len + 1), &endl, endlen - 1);
+ for (nl = dtp->u.p.ionml; nl; nl = nl->next)
{
-
/* " var_name\n" */
len = strlen (nl->var_name);
- p = write_block (len + 2);
+ p = write_block (dtp, len + endlen);
if (!p)
goto query_return;
memcpy (p, " ", 1);
memcpy ((char*)(p + 1), nl->var_name, len);
- memcpy ((char*)(p + len + 1), "\n", 1);
+ memcpy ((char*)(p + len + 1), &endl, endlen - 1);
}
/* "&end\n" */
- p = write_block (5);
- if (!p)
+ p = write_block (dtp, endlen + 3);
goto query_return;
- memcpy (p, "&end\n", 5);
+ memcpy (p, &nmlend, endlen + 3);
}
/* Flush the stream to force immediate output. */
- flush (current_unit->s);
+ fbuf_flush (dtp->u.p.current_unit, WRITING);
+ sflush (dtp->u.p.current_unit->s);
+ unlock_unit (dtp->u.p.current_unit);
}
query_return:
/* Restore the current unit. */
- current_unit = temp_unit;
- g.mode = READING;
+ dtp->u.p.current_unit = temp_unit;
+ dtp->u.p.mode = READING;
return;
}
error. */
static try
-nml_read_obj (namelist_info * nl, index_type offset)
+nml_read_obj (st_parameter_dt *dtp, namelist_info * nl, index_type offset,
+ namelist_info **pprev_nl, char *nml_err_msg,
+ size_t nml_err_msg_size, index_type clow, index_type chigh)
{
-
namelist_info * cmp;
char * obj_name;
int nml_carry;
int dim;
index_type dlen;
index_type m;
- index_type obj_name_len;
- void * pdata ;
+ size_t obj_name_len;
+ void * pdata;
/* This object not touched in name parsing. */
if (!nl->touched)
return SUCCESS;
- repeat_count = 0;
- eat_spaces();
+ dtp->u.p.repeat_count = 0;
+ eat_spaces (dtp);
len = nl->len;
switch (nl->type)
{
-
- case GFC_DTYPE_INTEGER:
- case GFC_DTYPE_LOGICAL:
- case GFC_DTYPE_REAL:
+ case BT_INTEGER:
+ case BT_LOGICAL:
dlen = len;
break;
- case GFC_DTYPE_COMPLEX:
- dlen = 2* len;
+ case BT_REAL:
+ dlen = size_from_real_kind (len);
+ break;
+
+ case BT_COMPLEX:
+ dlen = size_from_complex_kind (len);
break;
- case GFC_DTYPE_CHARACTER:
+ case BT_CHARACTER:
dlen = chigh ? (chigh - clow + 1) : nl->string_length;
break;
do
{
-
/* Update the pointer to the data, using the current index vector */
pdata = (void*)(nl->mem_pos + offset);
for (dim = 0; dim < nl->var_rank; dim++)
- pdata = (void*)(pdata + (nl->ls[dim].idx - nl->dim[dim].lbound) *
- nl->dim[dim].stride * nl->size);
+ pdata = (void*)(pdata + (nl->ls[dim].idx
+ - GFC_DESCRIPTOR_LBOUND(nl,dim))
+ * GFC_DESCRIPTOR_STRIDE(nl,dim) * nl->size);
/* Reset the error flag and try to read next value, if
- repeat_count=0 */
+ dtp->u.p.repeat_count=0 */
- nml_read_error = 0;
+ dtp->u.p.nml_read_error = 0;
nml_carry = 0;
- if (--repeat_count <= 0)
+ if (--dtp->u.p.repeat_count <= 0)
{
- if (input_complete)
+ if (dtp->u.p.input_complete)
return SUCCESS;
- if (at_eol)
- finish_separator ();
- if (input_complete)
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
+ if (dtp->u.p.input_complete)
return SUCCESS;
- /* GFC_TYPE_UNKNOWN through for nulls and is detected
- after the switch block. */
-
- saved_type = GFC_DTYPE_UNKNOWN;
- free_saved ();
+ dtp->u.p.saved_type = BT_UNKNOWN;
+ free_saved (dtp);
switch (nl->type)
{
- case GFC_DTYPE_INTEGER:
- read_integer (len);
+ case BT_INTEGER:
+ read_integer (dtp, len);
break;
- case GFC_DTYPE_LOGICAL:
- read_logical (len);
+ case BT_LOGICAL:
+ read_logical (dtp, len);
break;
- case GFC_DTYPE_CHARACTER:
- read_character (len);
+ case BT_CHARACTER:
+ read_character (dtp, len);
break;
- case GFC_DTYPE_REAL:
- read_real (len);
- break;
+ case BT_REAL:
+ /* Need to copy data back from the real location to the temp in order
+ to handle nml reads into arrays. */
+ read_real (dtp, pdata, len);
+ memcpy (dtp->u.p.value, pdata, dlen);
+ break;
- case GFC_DTYPE_COMPLEX:
- read_complex (len);
- break;
+ case BT_COMPLEX:
+ /* Same as for REAL, copy back to temp. */
+ read_complex (dtp, pdata, len, dlen);
+ memcpy (dtp->u.p.value, pdata, dlen);
+ break;
- case GFC_DTYPE_DERIVED:
+ case BT_DERIVED:
obj_name_len = strlen (nl->var_name) + 1;
obj_name = get_mem (obj_name_len+1);
- strcpy (obj_name, nl->var_name);
- strcat (obj_name, "%");
+ memcpy (obj_name, nl->var_name, obj_name_len-1);
+ memcpy (obj_name + obj_name_len - 1, "%", 2);
+
+ /* If reading a derived type, disable the expanded read warning
+ since a single object can have multiple reads. */
+ dtp->u.p.expanded_read = 0;
/* Now loop over the components. Update the component pointer
with the return value from nml_write_obj. This loop jumps
cmp = cmp->next)
{
- if (nml_read_obj (cmp, (index_type)(pdata - nl->mem_pos)) == FAILURE)
+ if (nml_read_obj (dtp, cmp, (index_type)(pdata - nl->mem_pos),
+ pprev_nl, nml_err_msg, nml_err_msg_size,
+ clow, chigh) == FAILURE)
{
- free_mem (obj_name);
+ free (obj_name);
return FAILURE;
}
- if (input_complete)
+ if (dtp->u.p.input_complete)
{
- free_mem (obj_name);
+ free (obj_name);
return SUCCESS;
}
}
- free_mem (obj_name);
+ free (obj_name);
goto incr_idx;
default:
- st_sprintf (nml_err_msg, "Bad type for namelist object %s",
- nl->var_name );
- internal_error (nml_err_msg);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Bad type for namelist object %s", nl->var_name);
+ internal_error (&dtp->common, nml_err_msg);
goto nml_err_ret;
}
}
/* The standard permits array data to stop short of the number of
elements specified in the loop specification. In this case, we
- should be here with nml_read_error != 0. Control returns to
+ should be here with dtp->u.p.nml_read_error != 0. Control returns to
nml_get_obj_data and an attempt is made to read object name. */
- prev_nl = nl;
- if (nml_read_error)
- return SUCCESS;
-
- if (saved_type == GFC_DTYPE_UNKNOWN)
- goto incr_idx;
-
+ *pprev_nl = nl;
+ if (dtp->u.p.nml_read_error)
+ {
+ dtp->u.p.expanded_read = 0;
+ return SUCCESS;
+ }
- /* Note the switch from GFC_DTYPE_type to BT_type at this point.
- This comes about because the read functions return BT_types. */
+ if (dtp->u.p.saved_type == BT_UNKNOWN)
+ {
+ dtp->u.p.expanded_read = 0;
+ goto incr_idx;
+ }
- switch (saved_type)
+ switch (dtp->u.p.saved_type)
{
case BT_COMPLEX:
case BT_REAL:
case BT_INTEGER:
case BT_LOGICAL:
- memcpy (pdata, value, dlen);
+ memcpy (pdata, dtp->u.p.value, dlen);
break;
case BT_CHARACTER:
- m = (dlen < saved_used) ? dlen : saved_used;
+ if (dlen < dtp->u.p.saved_used)
+ {
+ if (compile_options.bounds_check)
+ {
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Namelist object '%s' truncated on read.",
+ nl->var_name);
+ generate_warning (&dtp->common, nml_err_msg);
+ }
+ m = dlen;
+ }
+ else
+ m = dtp->u.p.saved_used;
pdata = (void*)( pdata + clow - 1 );
- memcpy (pdata, saved_string, m);
+ memcpy (pdata, dtp->u.p.saved_string, m);
if (m < dlen)
memset ((void*)( pdata + m ), ' ', dlen - m);
- break;
+ break;
default:
break;
}
- /* Break out of loop if scalar. */
+ /* Warn if a non-standard expanded read occurs. A single read of a
+ single object is acceptable. If a second read occurs, issue a warning
+ and set the flag to zero to prevent further warnings. */
+ if (dtp->u.p.expanded_read == 2)
+ {
+ notify_std (&dtp->common, GFC_STD_GNU, "Non-standard expanded namelist read.");
+ dtp->u.p.expanded_read = 0;
+ }
+ /* If the expanded read warning flag is set, increment it,
+ indicating that a single read has occurred. */
+ if (dtp->u.p.expanded_read >= 1)
+ dtp->u.p.expanded_read++;
+
+ /* Break out of loop if scalar. */
if (!nl->var_rank)
break;
}
} while (!nml_carry);
- if (repeat_count > 1)
+ if (dtp->u.p.repeat_count > 1)
{
- st_sprintf (nml_err_msg, "Repeat count too large for namelist object %s" ,
- nl->var_name );
- goto nml_err_ret;
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Repeat count too large for namelist object %s", nl->var_name);
+ goto nml_err_ret;
}
return SUCCESS;
the manner specified by the object name. */
static try
-nml_get_obj_data (void)
+nml_get_obj_data (st_parameter_dt *dtp, namelist_info **pprev_nl,
+ char *nml_err_msg, size_t nml_err_msg_size)
{
- char c;
- char * ext_name;
+ int c;
namelist_info * nl;
namelist_info * first_nl = NULL;
namelist_info * root_nl = NULL;
- int dim;
- int component_flag;
+ int dim, parsed_rank;
+ int component_flag, qualifier_flag;
+ index_type clow, chigh;
+ int non_zero_rank_count;
/* Look for end of input or object name. If '?' or '=?' are encountered
in stdin, print the node names or the namelist to stdout. */
- eat_separator ();
- if (input_complete)
+ eat_separator (dtp);
+ if (dtp->u.p.input_complete)
return SUCCESS;
- if ( at_eol )
- finish_separator ();
- if (input_complete)
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
+ if (dtp->u.p.input_complete)
return SUCCESS;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
switch (c)
{
case '=':
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
if (c != '?')
{
- st_sprintf (nml_err_msg, "namelist read: missplaced = sign");
+ sprintf (nml_err_msg, "namelist read: misplaced = sign");
goto nml_err_ret;
}
- nml_query ('=');
+ nml_query (dtp, '=');
return SUCCESS;
case '?':
- nml_query ('?');
+ nml_query (dtp, '?');
return SUCCESS;
case '$':
case '&':
- nml_match_name ("end", 3);
- if (nml_read_error)
+ nml_match_name (dtp, "end", 3);
+ if (dtp->u.p.nml_read_error)
{
- st_sprintf (nml_err_msg, "namelist not terminated with / or &end");
+ sprintf (nml_err_msg, "namelist not terminated with / or &end");
goto nml_err_ret;
}
case '/':
- input_complete = 1;
+ dtp->u.p.input_complete = 1;
return SUCCESS;
default :
break;
}
- /* Untouch all nodes of the namelist and reset the flag that is set for
+ /* Untouch all nodes of the namelist and reset the flags that are set for
derived type components. */
- nml_untouch_nodes();
+ nml_untouch_nodes (dtp);
component_flag = 0;
+ qualifier_flag = 0;
+ non_zero_rank_count = 0;
/* Get the object name - should '!' and '\n' be permitted separators? */
get_name:
- free_saved ();
+ free_saved (dtp);
do
{
- push_char(tolower(c));
- c = next_char ();
+ if (!is_separator (c))
+ push_char (dtp, tolower(c));
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
} while (!( c=='=' || c==' ' || c=='\t' || c =='(' || c =='%' ));
- unget_char (c);
+ unget_char (dtp, c);
/* Check that the name is in the namelist and get pointer to object.
Three error conditions exist: (i) An attempt is being made to
are present for an object. (iii) gives the same error message
as (i) */
- push_char ('\0');
+ push_char (dtp, '\0');
if (component_flag)
{
- ext_name = (char*)get_mem (strlen (root_nl->var_name)
- + (saved_string ? strlen (saved_string) : 0)
- + 1);
- strcpy (ext_name, root_nl->var_name);
- strcat (ext_name, saved_string);
- nl = find_nml_node (ext_name);
- free_mem (ext_name);
+ size_t var_len = strlen (root_nl->var_name);
+ size_t saved_len
+ = dtp->u.p.saved_string ? strlen (dtp->u.p.saved_string) : 0;
+ char ext_name[var_len + saved_len + 1];
+
+ memcpy (ext_name, root_nl->var_name, var_len);
+ if (dtp->u.p.saved_string)
+ memcpy (ext_name + var_len, dtp->u.p.saved_string, saved_len);
+ ext_name[var_len + saved_len] = '\0';
+ nl = find_nml_node (dtp, ext_name);
}
else
- nl = find_nml_node (saved_string);
+ nl = find_nml_node (dtp, dtp->u.p.saved_string);
if (nl == NULL)
{
- if (nml_read_error && prev_nl)
- st_sprintf (nml_err_msg, "Bad data for namelist object %s",
- prev_nl->var_name);
+ if (dtp->u.p.nml_read_error && *pprev_nl)
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Bad data for namelist object %s", (*pprev_nl)->var_name);
else
- st_sprintf (nml_err_msg, "Cannot match namelist object name %s",
- saved_string);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Cannot match namelist object name %s",
+ dtp->u.p.saved_string);
goto nml_err_ret;
}
for (dim=0; dim < nl->var_rank; dim++)
{
nl->ls[dim].step = 1;
- nl->ls[dim].end = nl->dim[dim].ubound;
- nl->ls[dim].start = nl->dim[dim].lbound;
+ nl->ls[dim].end = GFC_DESCRIPTOR_UBOUND(nl,dim);
+ nl->ls[dim].start = GFC_DESCRIPTOR_LBOUND(nl,dim);
nl->ls[dim].idx = nl->ls[dim].start;
}
if (c == '(' && nl->var_rank)
{
- if (nml_parse_qualifier (nl->dim, nl->ls, nl->var_rank) == FAILURE)
+ parsed_rank = 0;
+ if (nml_parse_qualifier (dtp, nl->dim, nl->ls, nl->var_rank,
+ nml_err_msg, &parsed_rank) == FAILURE)
{
- st_sprintf (nml_err_msg, "%s for namelist variable %s",
- parse_err_msg, nl->var_name);
+ char *nml_err_msg_end = strchr (nml_err_msg, '\0');
+ snprintf (nml_err_msg_end,
+ nml_err_msg_size - (nml_err_msg_end - nml_err_msg),
+ " for namelist variable %s", nl->var_name);
goto nml_err_ret;
}
- c = next_char ();
- unget_char (c);
+ if (parsed_rank > 0)
+ non_zero_rank_count++;
+
+ qualifier_flag = 1;
+
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
+ unget_char (dtp, c);
}
+ else if (nl->var_rank > 0)
+ non_zero_rank_count++;
/* Now parse a derived type component. The root namelist_info address
is backed up, as is the previous component level. The component flag
if (c == '%')
{
-
- if (nl->type != GFC_DTYPE_DERIVED)
+ if (nl->type != BT_DERIVED)
{
- st_sprintf (nml_err_msg, "Attempt to get derived component for %s",
- nl->var_name);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Attempt to get derived component for %s", nl->var_name);
goto nml_err_ret;
}
- if (!component_flag)
+ if (*pprev_nl == NULL || !component_flag)
first_nl = nl;
root_nl = nl;
+
component_flag = 1;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
goto get_name;
-
}
/* Parse a character qualifier, if present. chigh = 0 is a default
clow = 1;
chigh = 0;
- if (c == '(' && nl->type == GFC_DTYPE_CHARACTER)
+ if (c == '(' && nl->type == BT_CHARACTER)
{
descriptor_dimension chd[1] = { {1, clow, nl->string_length} };
- nml_loop_spec ind[1] = { {1, clow, nl->string_length, 1} };
+ array_loop_spec ind[1] = { {1, clow, nl->string_length, 1} };
- if (nml_parse_qualifier (chd, ind, 1) == FAILURE)
+ if (nml_parse_qualifier (dtp, chd, ind, -1, nml_err_msg, &parsed_rank)
+ == FAILURE)
{
- st_sprintf (nml_err_msg, "%s for namelist variable %s",
- parse_err_msg, nl->var_name);
+ char *nml_err_msg_end = strchr (nml_err_msg, '\0');
+ snprintf (nml_err_msg_end,
+ nml_err_msg_size - (nml_err_msg_end - nml_err_msg),
+ " for namelist variable %s", nl->var_name);
goto nml_err_ret;
}
if (ind[0].step != 1)
{
- st_sprintf (nml_err_msg,
- "Bad step in substring for namelist object %s",
- nl->var_name);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Step not allowed in substring qualifier"
+ " for namelist object %s", nl->var_name);
goto nml_err_ret;
}
- c = next_char ();
- unget_char (c);
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
+ unget_char (dtp, c);
}
- /* If a derived type touch its components and restore the root
- namelist_info if we have parsed a qualified derived type
- component. */
-
- if (nl->type == GFC_DTYPE_DERIVED)
- nml_touch_nodes (nl);
- if (component_flag)
- nl = first_nl;
-
- /*make sure no extraneous qualifiers are there.*/
+ /* Make sure no extraneous qualifiers are there. */
if (c == '(')
{
- st_sprintf (nml_err_msg, "Qualifier for a scalar or non-character"
- " namelist object %s", nl->var_name);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Qualifier for a scalar or non-character namelist object %s",
+ nl->var_name);
+ goto nml_err_ret;
+ }
+
+ /* Make sure there is no more than one non-zero rank object. */
+ if (non_zero_rank_count > 1)
+ {
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Multiple sub-objects with non-zero rank in namelist object %s",
+ nl->var_name);
+ non_zero_rank_count = 0;
goto nml_err_ret;
}
/* According to the standard, an equal sign MUST follow an object name. The
following is possibly lax - it allows comments, blank lines and so on to
- intervene. eat_spaces (); c = next_char (); would be compliant*/
+ intervene. eat_spaces (dtp); c = next_char (dtp); would be compliant*/
- free_saved ();
+ free_saved (dtp);
- eat_separator ();
- if (input_complete)
+ eat_separator (dtp);
+ if (dtp->u.p.input_complete)
return SUCCESS;
- if (at_eol)
- finish_separator ();
- if (input_complete)
+ if (dtp->u.p.at_eol)
+ finish_separator (dtp);
+ if (dtp->u.p.input_complete)
return SUCCESS;
- c = next_char ();
+ if ((c = next_char (dtp)) == EOF)
+ return FAILURE;
if (c != '=')
{
- st_sprintf (nml_err_msg, "Equal sign must follow namelist object name %s",
- nl->var_name);
+ snprintf (nml_err_msg, nml_err_msg_size,
+ "Equal sign must follow namelist object name %s",
+ nl->var_name);
goto nml_err_ret;
}
+ /* If a derived type, touch its components and restore the root
+ namelist_info if we have parsed a qualified derived type
+ component. */
+
+ if (nl->type == BT_DERIVED)
+ nml_touch_nodes (nl);
- if (nml_read_obj (nl, 0) == FAILURE)
+ if (first_nl)
+ {
+ if (first_nl->var_rank == 0)
+ {
+ if (component_flag && qualifier_flag)
+ nl = first_nl;
+ }
+ else
+ nl = first_nl;
+ }
+
+ if (nml_read_obj (dtp, nl, 0, pprev_nl, nml_err_msg, nml_err_msg_size,
+ clow, chigh) == FAILURE)
goto nml_err_ret;
return SUCCESS;
completed or there is an error. */
void
-namelist_read (void)
+namelist_read (st_parameter_dt *dtp)
{
- char c;
+ int c;
+ char nml_err_msg[200];
- namelist_mode = 1;
- input_complete = 0;
+ /* Initialize the error string buffer just in case we get an unexpected fail
+ somewhere and end up at nml_err_ret. */
+ strcpy (nml_err_msg, "Internal namelist read error");
- if (setjmp (g.eof_jump))
- {
- generate_error (ERROR_END, NULL);
- return;
- }
+ /* Pointer to the previously read object, in case attempt is made to read
+ new object name. Should this fail, error message can give previous
+ name. */
+ namelist_info *prev_nl = NULL;
+
+ dtp->u.p.namelist_mode = 1;
+ dtp->u.p.input_complete = 0;
+ dtp->u.p.expanded_read = 0;
/* Look for &namelist_name . Skip all characters, testing for $nmlname.
Exit on success or EOF. If '?' or '=?' encountered in stdin, print
node names or namelist on stdout. */
find_nml_name:
- switch (c = next_char ())
+ c = next_char (dtp);
+ switch (c)
{
case '$':
case '&':
break;
+ case '!':
+ eat_line (dtp);
+ goto find_nml_name;
+
case '=':
- c = next_char ();
+ c = next_char (dtp);
if (c == '?')
- nml_query ('=');
+ nml_query (dtp, '=');
else
- unget_char (c);
+ unget_char (dtp, c);
goto find_nml_name;
case '?':
- nml_query ('?');
+ nml_query (dtp, '?');
+
+ case EOF:
+ return;
default:
goto find_nml_name;
/* Match the name of the namelist. */
- nml_match_name (ioparm.namelist_name, ioparm.namelist_name_len);
+ nml_match_name (dtp, dtp->namelist_name, dtp->namelist_name_len);
- if (nml_read_error)
+ if (dtp->u.p.nml_read_error)
goto find_nml_name;
+ /* A trailing space is required, we give a little lattitude here, 10.9.1. */
+ c = next_char (dtp);
+ if (!is_separator(c) && c != '!')
+ {
+ unget_char (dtp, c);
+ goto find_nml_name;
+ }
+
+ unget_char (dtp, c);
+ eat_separator (dtp);
+
/* Ready to read namelist objects. If there is an error in input
from stdin, output the error message and continue. */
- while (!input_complete)
+ while (!dtp->u.p.input_complete)
{
- if (nml_get_obj_data () == FAILURE)
+ if (nml_get_obj_data (dtp, &prev_nl, nml_err_msg, sizeof nml_err_msg)
+ == FAILURE)
{
- if (current_unit->unit_number != options.stdin_unit)
+ if (dtp->u.p.current_unit->unit_number != options.stdin_unit)
goto nml_err_ret;
-
- st_printf ("%s\n", nml_err_msg);
- flush (find_unit (options.stderr_unit)->s);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, nml_err_msg);
}
- }
+ /* Reset the previous namelist pointer if we know we are not going
+ to be doing multiple reads within a single namelist object. */
+ if (prev_nl && prev_nl->var_rank == 0)
+ prev_nl = NULL;
+ }
+ free_saved (dtp);
+ free_line (dtp);
return;
- /* All namelist error calls return from here */
nml_err_ret:
- generate_error (ERROR_READ_VALUE , nml_err_msg);
+ /* All namelist error calls return from here */
+ free_saved (dtp);
+ free_line (dtp);
+ generate_error (&dtp->common, LIBERROR_READ_VALUE, nml_err_msg);
return;
}
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