1 /* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
2 Free Software Foundation, Inc.
3 Contributed by Andy Vaught
4 Namelist output contributed by Paul Thomas
5 F2003 I/O support contributed by Jerry DeLisle
7 This file is part of the GNU Fortran runtime library (libgfortran).
9 Libgfortran is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
14 Libgfortran is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 Under Section 7 of GPL version 3, you are granted additional
20 permissions described in the GCC Runtime Library Exception, version
21 3.1, as published by the Free Software Foundation.
23 You should have received a copy of the GNU General Public License and
24 a copy of the GCC Runtime Library Exception along with this program;
25 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
26 <http://www.gnu.org/licenses/>. */
37 #define star_fill(p, n) memset(p, '*', n)
39 typedef unsigned char uchar
;
41 /* Helper functions for character(kind=4) internal units. These are needed
42 by write_float.def. */
45 memset4 (gfc_char4_t
*p
, gfc_char4_t c
, int k
)
48 for (j
= 0; j
< k
; j
++)
53 memcpy4 (gfc_char4_t
*dest
, const char *source
, int k
)
57 const char *p
= source
;
58 for (j
= 0; j
< k
; j
++)
59 *dest
++ = (gfc_char4_t
) *p
++;
62 /* This include contains the heart and soul of formatted floating point. */
63 #include "write_float.def"
65 /* Write out default char4. */
68 write_default_char4 (st_parameter_dt
*dtp
, gfc_char4_t
*source
,
69 int src_len
, int w_len
)
76 /* Take care of preceding blanks. */
80 p
= write_block (dtp
, k
);
83 if (is_char4_unit (dtp
))
85 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
92 /* Get ready to handle delimiters if needed. */
93 switch (dtp
->u
.p
.current_unit
->delim_status
)
95 case DELIM_APOSTROPHE
:
106 /* Now process the remaining characters, one at a time. */
107 for (j
= 0; j
< src_len
; j
++)
110 if (is_char4_unit (dtp
))
113 /* Handle delimiters if any. */
114 if (c
== d
&& d
!= ' ')
116 p
= write_block (dtp
, 2);
119 q
= (gfc_char4_t
*) p
;
124 p
= write_block (dtp
, 1);
127 q
= (gfc_char4_t
*) p
;
133 /* Handle delimiters if any. */
134 if (c
== d
&& d
!= ' ')
136 p
= write_block (dtp
, 2);
143 p
= write_block (dtp
, 1);
147 *p
= c
> 255 ? '?' : (uchar
) c
;
153 /* Write out UTF-8 converted from char4. */
156 write_utf8_char4 (st_parameter_dt
*dtp
, gfc_char4_t
*source
,
157 int src_len
, int w_len
)
162 static const uchar masks
[6] = { 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
163 static const uchar limits
[6] = { 0x80, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE };
167 /* Take care of preceding blanks. */
171 p
= write_block (dtp
, k
);
177 /* Get ready to handle delimiters if needed. */
178 switch (dtp
->u
.p
.current_unit
->delim_status
)
180 case DELIM_APOSTROPHE
:
191 /* Now process the remaining characters, one at a time. */
192 for (j
= k
; j
< src_len
; j
++)
197 /* Handle the delimiters if any. */
198 if (c
== d
&& d
!= ' ')
200 p
= write_block (dtp
, 2);
207 p
= write_block (dtp
, 1);
215 /* Convert to UTF-8 sequence. */
221 *--q
= ((c
& 0x3F) | 0x80);
225 while (c
>= 0x3F || (c
& limits
[nbytes
-1]));
227 *--q
= (c
| masks
[nbytes
-1]);
229 p
= write_block (dtp
, nbytes
);
241 write_a (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
, int len
)
246 wlen
= f
->u
.string
.length
< 0
247 || (f
->format
== FMT_G
&& f
->u
.string
.length
== 0)
248 ? len
: f
->u
.string
.length
;
251 /* If this is formatted STREAM IO convert any embedded line feed characters
252 to CR_LF on systems that use that sequence for newlines. See F2003
253 Standard sections 10.6.3 and 9.9 for further information. */
254 if (is_stream_io (dtp
))
256 const char crlf
[] = "\r\n";
260 /* Write out any padding if needed. */
263 p
= write_block (dtp
, wlen
- len
);
266 memset (p
, ' ', wlen
- len
);
269 /* Scan the source string looking for '\n' and convert it if found. */
270 for (i
= 0; i
< wlen
; i
++)
272 if (source
[i
] == '\n')
274 /* Write out the previously scanned characters in the string. */
277 p
= write_block (dtp
, bytes
);
280 memcpy (p
, &source
[q
], bytes
);
285 /* Write out the CR_LF sequence. */
287 p
= write_block (dtp
, 2);
296 /* Write out any remaining bytes if no LF was found. */
299 p
= write_block (dtp
, bytes
);
302 memcpy (p
, &source
[q
], bytes
);
308 p
= write_block (dtp
, wlen
);
312 if (unlikely (is_char4_unit (dtp
)))
314 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
316 memcpy4 (p4
, source
, wlen
);
319 memset4 (p4
, ' ', wlen
- len
);
320 memcpy4 (p4
+ wlen
- len
, source
, len
);
326 memcpy (p
, source
, wlen
);
329 memset (p
, ' ', wlen
- len
);
330 memcpy (p
+ wlen
- len
, source
, len
);
338 /* The primary difference between write_a_char4 and write_a is that we have to
339 deal with writing from the first byte of the 4-byte character and pay
340 attention to the most significant bytes. For ENCODING="default" write the
341 lowest significant byte. If the 3 most significant bytes contain
342 non-zero values, emit a '?'. For ENCODING="utf-8", convert the UCS-32 value
343 to the UTF-8 encoded string before writing out. */
346 write_a_char4 (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
, int len
)
351 wlen
= f
->u
.string
.length
< 0
352 || (f
->format
== FMT_G
&& f
->u
.string
.length
== 0)
353 ? len
: f
->u
.string
.length
;
355 q
= (gfc_char4_t
*) source
;
357 /* If this is formatted STREAM IO convert any embedded line feed characters
358 to CR_LF on systems that use that sequence for newlines. See F2003
359 Standard sections 10.6.3 and 9.9 for further information. */
360 if (is_stream_io (dtp
))
362 const gfc_char4_t crlf
[] = {0x000d,0x000a};
367 /* Write out any padding if needed. */
371 p
= write_block (dtp
, wlen
- len
);
374 memset (p
, ' ', wlen
- len
);
377 /* Scan the source string looking for '\n' and convert it if found. */
378 qq
= (gfc_char4_t
*) source
;
379 for (i
= 0; i
< wlen
; i
++)
383 /* Write out the previously scanned characters in the string. */
386 if (dtp
->u
.p
.current_unit
->flags
.encoding
== ENCODING_UTF8
)
387 write_utf8_char4 (dtp
, q
, bytes
, 0);
389 write_default_char4 (dtp
, q
, bytes
, 0);
393 /* Write out the CR_LF sequence. */
394 write_default_char4 (dtp
, crlf
, 2, 0);
400 /* Write out any remaining bytes if no LF was found. */
403 if (dtp
->u
.p
.current_unit
->flags
.encoding
== ENCODING_UTF8
)
404 write_utf8_char4 (dtp
, q
, bytes
, 0);
406 write_default_char4 (dtp
, q
, bytes
, 0);
412 if (dtp
->u
.p
.current_unit
->flags
.encoding
== ENCODING_UTF8
)
413 write_utf8_char4 (dtp
, q
, len
, wlen
);
415 write_default_char4 (dtp
, q
, len
, wlen
);
422 static GFC_INTEGER_LARGEST
423 extract_int (const void *p
, int len
)
425 GFC_INTEGER_LARGEST i
= 0;
435 memcpy ((void *) &tmp
, p
, len
);
442 memcpy ((void *) &tmp
, p
, len
);
449 memcpy ((void *) &tmp
, p
, len
);
456 memcpy ((void *) &tmp
, p
, len
);
460 #ifdef HAVE_GFC_INTEGER_16
464 memcpy ((void *) &tmp
, p
, len
);
470 internal_error (NULL
, "bad integer kind");
476 static GFC_UINTEGER_LARGEST
477 extract_uint (const void *p
, int len
)
479 GFC_UINTEGER_LARGEST i
= 0;
489 memcpy ((void *) &tmp
, p
, len
);
490 i
= (GFC_UINTEGER_1
) tmp
;
496 memcpy ((void *) &tmp
, p
, len
);
497 i
= (GFC_UINTEGER_2
) tmp
;
503 memcpy ((void *) &tmp
, p
, len
);
504 i
= (GFC_UINTEGER_4
) tmp
;
510 memcpy ((void *) &tmp
, p
, len
);
511 i
= (GFC_UINTEGER_8
) tmp
;
514 #ifdef HAVE_GFC_INTEGER_16
518 GFC_INTEGER_16 tmp
= 0;
519 memcpy ((void *) &tmp
, p
, len
);
520 i
= (GFC_UINTEGER_16
) tmp
;
525 internal_error (NULL
, "bad integer kind");
533 write_l (st_parameter_dt
*dtp
, const fnode
*f
, char *source
, int len
)
537 GFC_INTEGER_LARGEST n
;
539 wlen
= (f
->format
== FMT_G
&& f
->u
.w
== 0) ? 1 : f
->u
.w
;
541 p
= write_block (dtp
, wlen
);
545 n
= extract_int (source
, len
);
547 if (unlikely (is_char4_unit (dtp
)))
549 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
550 memset4 (p4
, ' ', wlen
-1);
551 p4
[wlen
- 1] = (n
) ? 'T' : 'F';
555 memset (p
, ' ', wlen
-1);
556 p
[wlen
- 1] = (n
) ? 'T' : 'F';
561 write_boz (st_parameter_dt
*dtp
, const fnode
*f
, const char *q
, int n
)
563 int w
, m
, digits
, nzero
, nblank
;
571 if (m
== 0 && n
== 0)
576 p
= write_block (dtp
, w
);
579 if (unlikely (is_char4_unit (dtp
)))
581 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
582 memset4 (p4
, ' ', w
);
591 /* Select a width if none was specified. The idea here is to always
595 w
= ((digits
< m
) ? m
: digits
);
597 p
= write_block (dtp
, w
);
605 /* See if things will work. */
607 nblank
= w
- (nzero
+ digits
);
609 if (unlikely (is_char4_unit (dtp
)))
611 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
614 memset4 (p4
, '*', w
);
618 if (!dtp
->u
.p
.no_leading_blank
)
620 memset4 (p4
, ' ', nblank
);
622 memset4 (p4
, '0', nzero
);
624 memcpy4 (p4
, q
, digits
);
628 memset4 (p4
, '0', nzero
);
630 memcpy4 (p4
, q
, digits
);
632 memset4 (p4
, ' ', nblank
);
633 dtp
->u
.p
.no_leading_blank
= 0;
644 if (!dtp
->u
.p
.no_leading_blank
)
646 memset (p
, ' ', nblank
);
648 memset (p
, '0', nzero
);
650 memcpy (p
, q
, digits
);
654 memset (p
, '0', nzero
);
656 memcpy (p
, q
, digits
);
658 memset (p
, ' ', nblank
);
659 dtp
->u
.p
.no_leading_blank
= 0;
667 write_decimal (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
,
669 const char *(*conv
) (GFC_INTEGER_LARGEST
, char *, size_t))
671 GFC_INTEGER_LARGEST n
= 0;
672 int w
, m
, digits
, nsign
, nzero
, nblank
;
676 char itoa_buf
[GFC_BTOA_BUF_SIZE
];
679 m
= f
->format
== FMT_G
? -1 : f
->u
.integer
.m
;
681 n
= extract_int (source
, len
);
684 if (m
== 0 && n
== 0)
689 p
= write_block (dtp
, w
);
692 if (unlikely (is_char4_unit (dtp
)))
694 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
695 memset4 (p4
, ' ', w
);
702 sign
= calculate_sign (dtp
, n
< 0);
705 nsign
= sign
== S_NONE
? 0 : 1;
707 /* conv calls itoa which sets the negative sign needed
708 by write_integer. The sign '+' or '-' is set below based on sign
709 calculated above, so we just point past the sign in the string
710 before proceeding to avoid double signs in corner cases.
712 q
= conv (n
, itoa_buf
, sizeof (itoa_buf
));
718 /* Select a width if none was specified. The idea here is to always
722 w
= ((digits
< m
) ? m
: digits
) + nsign
;
724 p
= write_block (dtp
, w
);
732 /* See if things will work. */
734 nblank
= w
- (nsign
+ nzero
+ digits
);
736 if (unlikely (is_char4_unit (dtp
)))
738 gfc_char4_t
* p4
= (gfc_char4_t
*) p
;
741 memset4 (p4
, '*', w
);
745 memset4 (p4
, ' ', nblank
);
760 memset4 (p4
, '0', nzero
);
763 memcpy4 (p4
, q
, digits
);
773 memset (p
, ' ', nblank
);
788 memset (p
, '0', nzero
);
791 memcpy (p
, q
, digits
);
798 /* Convert unsigned octal to ascii. */
801 otoa (GFC_UINTEGER_LARGEST n
, char *buffer
, size_t len
)
805 assert (len
>= GFC_OTOA_BUF_SIZE
);
810 p
= buffer
+ GFC_OTOA_BUF_SIZE
- 1;
815 *--p
= '0' + (n
& 7);
823 /* Convert unsigned binary to ascii. */
826 btoa (GFC_UINTEGER_LARGEST n
, char *buffer
, size_t len
)
830 assert (len
>= GFC_BTOA_BUF_SIZE
);
835 p
= buffer
+ GFC_BTOA_BUF_SIZE
- 1;
840 *--p
= '0' + (n
& 1);
847 /* The following three functions, btoa_big, otoa_big, and ztoa_big, are needed
848 to convert large reals with kind sizes that exceed the largest integer type
849 available on certain platforms. In these cases, byte by byte conversion is
850 performed. Endianess is taken into account. */
852 /* Conversion to binary. */
855 btoa_big (const char *s
, char *buffer
, int len
, GFC_UINTEGER_LARGEST
*n
)
864 for (i
= 0; i
< len
; i
++)
868 /* Test for zero. Needed by write_boz later. */
872 for (j
= 0; j
< 8; j
++)
874 *q
++ = (c
& 128) ? '1' : '0';
882 const char *p
= s
+ len
- 1;
883 for (i
= 0; i
< len
; i
++)
887 /* Test for zero. Needed by write_boz later. */
891 for (j
= 0; j
< 8; j
++)
893 *q
++ = (c
& 128) ? '1' : '0';
905 /* Move past any leading zeros. */
906 while (*buffer
== '0')
913 /* Conversion to octal. */
916 otoa_big (const char *s
, char *buffer
, int len
, GFC_UINTEGER_LARGEST
*n
)
922 q
= buffer
+ GFC_OTOA_BUF_SIZE
- 1;
928 const char *p
= s
+ len
- 1;
932 /* Test for zero. Needed by write_boz later. */
936 for (j
= 0; j
< 3 && i
< len
; j
++)
938 octet
|= (c
& 1) << j
;
957 /* Test for zero. Needed by write_boz later. */
961 for (j
= 0; j
< 3 && i
< len
; j
++)
963 octet
|= (c
& 1) << j
;
980 /* Move past any leading zeros. */
987 /* Conversion to hexidecimal. */
990 ztoa_big (const char *s
, char *buffer
, int len
, GFC_UINTEGER_LARGEST
*n
)
992 static char a
[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
993 '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
1004 for (i
= 0; i
< len
; i
++)
1006 /* Test for zero. Needed by write_boz later. */
1010 h
= (*p
>> 4) & 0x0F;
1018 const char *p
= s
+ len
- 1;
1019 for (i
= 0; i
< len
; i
++)
1021 /* Test for zero. Needed by write_boz later. */
1025 h
= (*p
>> 4) & 0x0F;
1037 /* Move past any leading zeros. */
1038 while (*buffer
== '0')
1044 /* gfc_itoa()-- Integer to decimal conversion.
1045 The itoa function is a widespread non-standard extension to standard
1046 C, often declared in <stdlib.h>. Even though the itoa defined here
1047 is a static function we take care not to conflict with any prior
1048 non-static declaration. Hence the 'gfc_' prefix, which is normally
1049 reserved for functions with external linkage. */
1052 gfc_itoa (GFC_INTEGER_LARGEST n
, char *buffer
, size_t len
)
1056 GFC_UINTEGER_LARGEST t
;
1058 assert (len
>= GFC_ITOA_BUF_SIZE
);
1068 t
= -n
; /*must use unsigned to protect from overflow*/
1071 p
= buffer
+ GFC_ITOA_BUF_SIZE
- 1;
1076 *--p
= '0' + (t
% 10);
1087 write_i (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1089 write_decimal (dtp
, f
, p
, len
, (void *) gfc_itoa
);
1094 write_b (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
, int len
)
1097 char itoa_buf
[GFC_BTOA_BUF_SIZE
];
1098 GFC_UINTEGER_LARGEST n
= 0;
1100 if (len
> (int) sizeof (GFC_UINTEGER_LARGEST
))
1102 p
= btoa_big (source
, itoa_buf
, len
, &n
);
1103 write_boz (dtp
, f
, p
, n
);
1107 n
= extract_uint (source
, len
);
1108 p
= btoa (n
, itoa_buf
, sizeof (itoa_buf
));
1109 write_boz (dtp
, f
, p
, n
);
1115 write_o (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
, int len
)
1118 char itoa_buf
[GFC_OTOA_BUF_SIZE
];
1119 GFC_UINTEGER_LARGEST n
= 0;
1121 if (len
> (int) sizeof (GFC_UINTEGER_LARGEST
))
1123 p
= otoa_big (source
, itoa_buf
, len
, &n
);
1124 write_boz (dtp
, f
, p
, n
);
1128 n
= extract_uint (source
, len
);
1129 p
= otoa (n
, itoa_buf
, sizeof (itoa_buf
));
1130 write_boz (dtp
, f
, p
, n
);
1135 write_z (st_parameter_dt
*dtp
, const fnode
*f
, const char *source
, int len
)
1138 char itoa_buf
[GFC_XTOA_BUF_SIZE
];
1139 GFC_UINTEGER_LARGEST n
= 0;
1141 if (len
> (int) sizeof (GFC_UINTEGER_LARGEST
))
1143 p
= ztoa_big (source
, itoa_buf
, len
, &n
);
1144 write_boz (dtp
, f
, p
, n
);
1148 n
= extract_uint (source
, len
);
1149 p
= gfc_xtoa (n
, itoa_buf
, sizeof (itoa_buf
));
1150 write_boz (dtp
, f
, p
, n
);
1156 write_d (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1158 write_float (dtp
, f
, p
, len
);
1163 write_e (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1165 write_float (dtp
, f
, p
, len
);
1170 write_f (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1172 write_float (dtp
, f
, p
, len
);
1177 write_en (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1179 write_float (dtp
, f
, p
, len
);
1184 write_es (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1186 write_float (dtp
, f
, p
, len
);
1190 /* Take care of the X/TR descriptor. */
1193 write_x (st_parameter_dt
*dtp
, int len
, int nspaces
)
1197 p
= write_block (dtp
, len
);
1200 if (nspaces
> 0 && len
- nspaces
>= 0)
1202 if (unlikely (is_char4_unit (dtp
)))
1204 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1205 memset4 (&p4
[len
- nspaces
], ' ', nspaces
);
1208 memset (&p
[len
- nspaces
], ' ', nspaces
);
1213 /* List-directed writing. */
1216 /* Write a single character to the output. Returns nonzero if
1217 something goes wrong. */
1220 write_char (st_parameter_dt
*dtp
, int c
)
1224 p
= write_block (dtp
, 1);
1227 if (unlikely (is_char4_unit (dtp
)))
1229 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1240 /* Write a list-directed logical value. */
1243 write_logical (st_parameter_dt
*dtp
, const char *source
, int length
)
1245 write_char (dtp
, extract_int (source
, length
) ? 'T' : 'F');
1249 /* Write a list-directed integer value. */
1252 write_integer (st_parameter_dt
*dtp
, const char *source
, int length
)
1258 char itoa_buf
[GFC_ITOA_BUF_SIZE
];
1260 q
= gfc_itoa (extract_int (source
, length
), itoa_buf
, sizeof (itoa_buf
));
1285 digits
= strlen (q
);
1289 p
= write_block (dtp
, width
);
1293 if (unlikely (is_char4_unit (dtp
)))
1295 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1296 if (dtp
->u
.p
.no_leading_blank
)
1298 memcpy4 (p4
, q
, digits
);
1299 memset4 (p4
+ digits
, ' ', width
- digits
);
1303 memset4 (p4
, ' ', width
- digits
);
1304 memcpy4 (p4
+ width
- digits
, q
, digits
);
1309 if (dtp
->u
.p
.no_leading_blank
)
1311 memcpy (p
, q
, digits
);
1312 memset (p
+ digits
, ' ', width
- digits
);
1316 memset (p
, ' ', width
- digits
);
1317 memcpy (p
+ width
- digits
, q
, digits
);
1322 /* Write a list-directed string. We have to worry about delimiting
1323 the strings if the file has been opened in that mode. */
1326 write_character (st_parameter_dt
*dtp
, const char *source
, int kind
, int length
)
1331 switch (dtp
->u
.p
.current_unit
->delim_status
)
1333 case DELIM_APOSTROPHE
:
1352 for (i
= 0; i
< length
; i
++)
1357 p
= write_block (dtp
, length
+ extra
);
1361 if (unlikely (is_char4_unit (dtp
)))
1363 gfc_char4_t d4
= (gfc_char4_t
) d
;
1364 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1367 memcpy4 (p4
, source
, length
);
1372 for (i
= 0; i
< length
; i
++)
1374 *p4
++ = (gfc_char4_t
) source
[i
];
1385 memcpy (p
, source
, length
);
1390 for (i
= 0; i
< length
; i
++)
1404 if (dtp
->u
.p
.current_unit
->flags
.encoding
== ENCODING_UTF8
)
1405 write_utf8_char4 (dtp
, (gfc_char4_t
*) source
, length
, 0);
1407 write_default_char4 (dtp
, (gfc_char4_t
*) source
, length
, 0);
1411 p
= write_block (dtp
, 1);
1414 if (dtp
->u
.p
.current_unit
->flags
.encoding
== ENCODING_UTF8
)
1415 write_utf8_char4 (dtp
, (gfc_char4_t
*) source
, length
, 0);
1417 write_default_char4 (dtp
, (gfc_char4_t
*) source
, length
, 0);
1419 p
= write_block (dtp
, 1);
1426 /* Set an fnode to default format. */
1429 set_fnode_default (st_parameter_dt
*dtp
, fnode
*f
, int length
)
1455 internal_error (&dtp
->common
, "bad real kind");
1459 /* Output a real number with default format.
1460 This is 1PG14.7E2 for REAL(4), 1PG23.15E3 for REAL(8),
1461 1PG28.19E4 for REAL(10) and 1PG43.34E4 for REAL(16). */
1464 write_real (st_parameter_dt
*dtp
, const char *source
, int length
)
1467 int org_scale
= dtp
->u
.p
.scale_factor
;
1468 dtp
->u
.p
.scale_factor
= 1;
1469 set_fnode_default (dtp
, &f
, length
);
1470 write_float (dtp
, &f
, source
, length
);
1471 dtp
->u
.p
.scale_factor
= org_scale
;
1476 write_real_g0 (st_parameter_dt
*dtp
, const char *source
, int length
, int d
)
1479 set_fnode_default (dtp
, &f
, length
);
1482 dtp
->u
.p
.g0_no_blanks
= 1;
1483 write_float (dtp
, &f
, source
, length
);
1484 dtp
->u
.p
.g0_no_blanks
= 0;
1489 write_complex (st_parameter_dt
*dtp
, const char *source
, int kind
, size_t size
)
1492 dtp
->u
.p
.current_unit
->decimal_status
== DECIMAL_POINT
? ',' : ';';
1494 if (write_char (dtp
, '('))
1496 write_real (dtp
, source
, kind
);
1498 if (write_char (dtp
, semi_comma
))
1500 write_real (dtp
, source
+ size
/ 2, kind
);
1502 write_char (dtp
, ')');
1506 /* Write the separator between items. */
1509 write_separator (st_parameter_dt
*dtp
)
1513 p
= write_block (dtp
, options
.separator_len
);
1516 if (unlikely (is_char4_unit (dtp
)))
1518 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1519 memcpy4 (p4
, options
.separator
, options
.separator_len
);
1522 memcpy (p
, options
.separator
, options
.separator_len
);
1526 /* Write an item with list formatting.
1527 TODO: handle skipping to the next record correctly, particularly
1531 list_formatted_write_scalar (st_parameter_dt
*dtp
, bt type
, void *p
, int kind
,
1534 if (dtp
->u
.p
.current_unit
== NULL
)
1537 if (dtp
->u
.p
.first_item
)
1539 dtp
->u
.p
.first_item
= 0;
1540 write_char (dtp
, ' ');
1544 if (type
!= BT_CHARACTER
|| !dtp
->u
.p
.char_flag
||
1545 dtp
->u
.p
.current_unit
->delim_status
!= DELIM_NONE
)
1546 write_separator (dtp
);
1552 write_integer (dtp
, p
, kind
);
1555 write_logical (dtp
, p
, kind
);
1558 write_character (dtp
, p
, kind
, size
);
1561 write_real (dtp
, p
, kind
);
1564 write_complex (dtp
, p
, kind
, size
);
1567 internal_error (&dtp
->common
, "list_formatted_write(): Bad type");
1570 dtp
->u
.p
.char_flag
= (type
== BT_CHARACTER
);
1575 list_formatted_write (st_parameter_dt
*dtp
, bt type
, void *p
, int kind
,
1576 size_t size
, size_t nelems
)
1580 size_t stride
= type
== BT_CHARACTER
?
1581 size
* GFC_SIZE_OF_CHAR_KIND(kind
) : size
;
1585 /* Big loop over all the elements. */
1586 for (elem
= 0; elem
< nelems
; elem
++)
1588 dtp
->u
.p
.item_count
++;
1589 list_formatted_write_scalar (dtp
, type
, tmp
+ elem
* stride
, kind
, size
);
1595 nml_write_obj writes a namelist object to the output stream. It is called
1596 recursively for derived type components:
1597 obj = is the namelist_info for the current object.
1598 offset = the offset relative to the address held by the object for
1599 derived type arrays.
1600 base = is the namelist_info of the derived type, when obj is a
1602 base_name = the full name for a derived type, including qualifiers
1604 The returned value is a pointer to the object beyond the last one
1605 accessed, including nested derived types. Notice that the namelist is
1606 a linear linked list of objects, including derived types and their
1607 components. A tree, of sorts, is implied by the compound names of
1608 the derived type components and this is how this function recurses through
1611 /* A generous estimate of the number of characters needed to print
1612 repeat counts and indices, including commas, asterices and brackets. */
1614 #define NML_DIGITS 20
1617 namelist_write_newline (st_parameter_dt
*dtp
)
1619 if (!is_internal_unit (dtp
))
1622 write_character (dtp
, "\r\n", 1, 2);
1624 write_character (dtp
, "\n", 1, 1);
1629 if (is_array_io (dtp
))
1634 /* Now that the current record has been padded out,
1635 determine where the next record in the array is. */
1636 record
= next_array_record (dtp
, dtp
->u
.p
.current_unit
->ls
,
1639 dtp
->u
.p
.current_unit
->endfile
= AT_ENDFILE
;
1642 /* Now seek to this record */
1643 record
= record
* dtp
->u
.p
.current_unit
->recl
;
1645 if (sseek (dtp
->u
.p
.current_unit
->s
, record
, SEEK_SET
) < 0)
1647 generate_error (&dtp
->common
, LIBERROR_INTERNAL_UNIT
, NULL
);
1651 dtp
->u
.p
.current_unit
->bytes_left
= dtp
->u
.p
.current_unit
->recl
;
1655 write_character (dtp
, " ", 1, 1);
1659 static namelist_info
*
1660 nml_write_obj (st_parameter_dt
*dtp
, namelist_info
* obj
, index_type offset
,
1661 namelist_info
* base
, char * base_name
)
1667 index_type obj_size
;
1671 index_type elem_ctr
;
1672 size_t obj_name_len
;
1677 char rep_buff
[NML_DIGITS
];
1678 namelist_info
* cmp
;
1679 namelist_info
* retval
= obj
->next
;
1680 size_t base_name_len
;
1681 size_t base_var_name_len
;
1683 unit_delim tmp_delim
;
1685 /* Set the character to be used to separate values
1686 to a comma or semi-colon. */
1689 dtp
->u
.p
.current_unit
->decimal_status
== DECIMAL_POINT
? ',' : ';';
1691 /* Write namelist variable names in upper case. If a derived type,
1692 nothing is output. If a component, base and base_name are set. */
1694 if (obj
->type
!= GFC_DTYPE_DERIVED
)
1696 namelist_write_newline (dtp
);
1697 write_character (dtp
, " ", 1, 1);
1702 len
= strlen (base
->var_name
);
1703 base_name_len
= strlen (base_name
);
1704 for (dim_i
= 0; dim_i
< base_name_len
; dim_i
++)
1706 cup
= toupper ((int) base_name
[dim_i
]);
1707 write_character (dtp
, &cup
, 1, 1);
1710 clen
= strlen (obj
->var_name
);
1711 for (dim_i
= len
; dim_i
< clen
; dim_i
++)
1713 cup
= toupper ((int) obj
->var_name
[dim_i
]);
1714 write_character (dtp
, &cup
, 1, 1);
1716 write_character (dtp
, "=", 1, 1);
1719 /* Counts the number of data output on a line, including names. */
1728 case GFC_DTYPE_REAL
:
1729 obj_size
= size_from_real_kind (len
);
1732 case GFC_DTYPE_COMPLEX
:
1733 obj_size
= size_from_complex_kind (len
);
1736 case GFC_DTYPE_CHARACTER
:
1737 obj_size
= obj
->string_length
;
1745 obj_size
= obj
->size
;
1747 /* Set the index vector and count the number of elements. */
1750 for (dim_i
= 0; dim_i
< (size_t) obj
->var_rank
; dim_i
++)
1752 obj
->ls
[dim_i
].idx
= GFC_DESCRIPTOR_LBOUND(obj
, dim_i
);
1753 nelem
= nelem
* GFC_DESCRIPTOR_EXTENT (obj
, dim_i
);
1756 /* Main loop to output the data held in the object. */
1759 for (elem_ctr
= 0; elem_ctr
< nelem
; elem_ctr
++)
1762 /* Build the pointer to the data value. The offset is passed by
1763 recursive calls to this function for arrays of derived types.
1764 Is NULL otherwise. */
1766 p
= (void *)(obj
->mem_pos
+ elem_ctr
* obj_size
);
1769 /* Check for repeat counts of intrinsic types. */
1771 if ((elem_ctr
< (nelem
- 1)) &&
1772 (obj
->type
!= GFC_DTYPE_DERIVED
) &&
1773 !memcmp (p
, (void*)(p
+ obj_size
), obj_size
))
1778 /* Execute a repeated output. Note the flag no_leading_blank that
1779 is used in the functions used to output the intrinsic types. */
1785 sprintf(rep_buff
, " %d*", rep_ctr
);
1786 write_character (dtp
, rep_buff
, 1, strlen (rep_buff
));
1787 dtp
->u
.p
.no_leading_blank
= 1;
1791 /* Output the data, if an intrinsic type, or recurse into this
1792 routine to treat derived types. */
1797 case GFC_DTYPE_INTEGER
:
1798 write_integer (dtp
, p
, len
);
1801 case GFC_DTYPE_LOGICAL
:
1802 write_logical (dtp
, p
, len
);
1805 case GFC_DTYPE_CHARACTER
:
1806 tmp_delim
= dtp
->u
.p
.current_unit
->delim_status
;
1807 if (dtp
->u
.p
.nml_delim
== '"')
1808 dtp
->u
.p
.current_unit
->delim_status
= DELIM_QUOTE
;
1809 if (dtp
->u
.p
.nml_delim
== '\'')
1810 dtp
->u
.p
.current_unit
->delim_status
= DELIM_APOSTROPHE
;
1811 write_character (dtp
, p
, 1, obj
->string_length
);
1812 dtp
->u
.p
.current_unit
->delim_status
= tmp_delim
;
1815 case GFC_DTYPE_REAL
:
1816 write_real (dtp
, p
, len
);
1819 case GFC_DTYPE_COMPLEX
:
1820 dtp
->u
.p
.no_leading_blank
= 0;
1822 write_complex (dtp
, p
, len
, obj_size
);
1825 case GFC_DTYPE_DERIVED
:
1827 /* To treat a derived type, we need to build two strings:
1828 ext_name = the name, including qualifiers that prepends
1829 component names in the output - passed to
1831 obj_name = the derived type name with no qualifiers but %
1832 appended. This is used to identify the
1835 /* First ext_name => get length of all possible components */
1837 base_name_len
= base_name
? strlen (base_name
) : 0;
1838 base_var_name_len
= base
? strlen (base
->var_name
) : 0;
1839 ext_name
= (char*)get_mem ( base_name_len
1841 + strlen (obj
->var_name
)
1842 + obj
->var_rank
* NML_DIGITS
1845 memcpy (ext_name
, base_name
, base_name_len
);
1846 clen
= strlen (obj
->var_name
+ base_var_name_len
);
1847 memcpy (ext_name
+ base_name_len
,
1848 obj
->var_name
+ base_var_name_len
, clen
);
1850 /* Append the qualifier. */
1852 tot_len
= base_name_len
+ clen
;
1853 for (dim_i
= 0; dim_i
< (size_t) obj
->var_rank
; dim_i
++)
1857 ext_name
[tot_len
] = '(';
1860 sprintf (ext_name
+ tot_len
, "%d", (int) obj
->ls
[dim_i
].idx
);
1861 tot_len
+= strlen (ext_name
+ tot_len
);
1862 ext_name
[tot_len
] = ((int) dim_i
== obj
->var_rank
- 1) ? ')' : ',';
1866 ext_name
[tot_len
] = '\0';
1870 obj_name_len
= strlen (obj
->var_name
) + 1;
1871 obj_name
= get_mem (obj_name_len
+1);
1872 memcpy (obj_name
, obj
->var_name
, obj_name_len
-1);
1873 memcpy (obj_name
+ obj_name_len
-1, "%", 2);
1875 /* Now loop over the components. Update the component pointer
1876 with the return value from nml_write_obj => this loop jumps
1877 past nested derived types. */
1879 for (cmp
= obj
->next
;
1880 cmp
&& !strncmp (cmp
->var_name
, obj_name
, obj_name_len
);
1883 retval
= nml_write_obj (dtp
, cmp
,
1884 (index_type
)(p
- obj
->mem_pos
),
1893 internal_error (&dtp
->common
, "Bad type for namelist write");
1896 /* Reset the leading blank suppression, write a comma (or semi-colon)
1897 and, if 5 values have been output, write a newline and advance
1898 to column 2. Reset the repeat counter. */
1900 dtp
->u
.p
.no_leading_blank
= 0;
1901 write_character (dtp
, &semi_comma
, 1, 1);
1905 namelist_write_newline (dtp
);
1906 write_character (dtp
, " ", 1, 1);
1911 /* Cycle through and increment the index vector. */
1916 for (dim_i
= 0; nml_carry
&& (dim_i
< (size_t) obj
->var_rank
); dim_i
++)
1918 obj
->ls
[dim_i
].idx
+= nml_carry
;
1920 if (obj
->ls
[dim_i
].idx
> (ssize_t
) GFC_DESCRIPTOR_UBOUND(obj
,dim_i
))
1922 obj
->ls
[dim_i
].idx
= GFC_DESCRIPTOR_LBOUND(obj
,dim_i
);
1928 /* Return a pointer beyond the furthest object accessed. */
1934 /* This is the entry function for namelist writes. It outputs the name
1935 of the namelist and iterates through the namelist by calls to
1936 nml_write_obj. The call below has dummys in the arguments used in
1937 the treatment of derived types. */
1940 namelist_write (st_parameter_dt
*dtp
)
1942 namelist_info
* t1
, *t2
, *dummy
= NULL
;
1944 index_type dummy_offset
= 0;
1946 char * dummy_name
= NULL
;
1947 unit_delim tmp_delim
= DELIM_UNSPECIFIED
;
1949 /* Set the delimiter for namelist output. */
1950 tmp_delim
= dtp
->u
.p
.current_unit
->delim_status
;
1952 dtp
->u
.p
.nml_delim
= tmp_delim
== DELIM_APOSTROPHE
? '\'' : '"';
1954 /* Temporarily disable namelist delimters. */
1955 dtp
->u
.p
.current_unit
->delim_status
= DELIM_NONE
;
1957 write_character (dtp
, "&", 1, 1);
1959 /* Write namelist name in upper case - f95 std. */
1960 for (i
= 0 ;i
< dtp
->namelist_name_len
;i
++ )
1962 c
= toupper ((int) dtp
->namelist_name
[i
]);
1963 write_character (dtp
, &c
, 1 ,1);
1966 if (dtp
->u
.p
.ionml
!= NULL
)
1968 t1
= dtp
->u
.p
.ionml
;
1972 t1
= nml_write_obj (dtp
, t2
, dummy_offset
, dummy
, dummy_name
);
1976 namelist_write_newline (dtp
);
1977 write_character (dtp
, " /", 1, 2);
1978 /* Restore the original delimiter. */
1979 dtp
->u
.p
.current_unit
->delim_status
= tmp_delim
;