]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libgfortran/io/write.c
1 /* Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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
, const 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
, 0);
1163 write_e (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1165 write_float (dtp
, f
, p
, len
, 0);
1170 write_f (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1172 write_float (dtp
, f
, p
, len
, 0);
1177 write_en (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1179 write_float (dtp
, f
, p
, len
, 0);
1184 write_es (st_parameter_dt
*dtp
, const fnode
*f
, const char *p
, int len
)
1186 write_float (dtp
, f
, p
, len
, 0);
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). */
1462 // FX -- FIXME: should we change the default format for __float128-real(16)?
1465 write_real (st_parameter_dt
*dtp
, const char *source
, int length
)
1468 int org_scale
= dtp
->u
.p
.scale_factor
;
1469 dtp
->u
.p
.scale_factor
= 1;
1470 set_fnode_default (dtp
, &f
, length
);
1471 write_float (dtp
, &f
, source
, length
, 1);
1472 dtp
->u
.p
.scale_factor
= org_scale
;
1477 write_real_g0 (st_parameter_dt
*dtp
, const char *source
, int length
, int d
)
1481 set_fnode_default (dtp
, &f
, length
);
1485 /* Compensate for extra digits when using scale factor, d is not
1486 specified, and the magnitude is such that E editing is used. */
1487 if (dtp
->u
.p
.scale_factor
> 0 && d
== 0)
1491 dtp
->u
.p
.g0_no_blanks
= 1;
1492 write_float (dtp
, &f
, source
, length
, comp_d
);
1493 dtp
->u
.p
.g0_no_blanks
= 0;
1498 write_complex (st_parameter_dt
*dtp
, const char *source
, int kind
, size_t size
)
1501 dtp
->u
.p
.current_unit
->decimal_status
== DECIMAL_POINT
? ',' : ';';
1503 if (write_char (dtp
, '('))
1505 write_real (dtp
, source
, kind
);
1507 if (write_char (dtp
, semi_comma
))
1509 write_real (dtp
, source
+ size
/ 2, kind
);
1511 write_char (dtp
, ')');
1515 /* Write the separator between items. */
1518 write_separator (st_parameter_dt
*dtp
)
1522 p
= write_block (dtp
, options
.separator_len
);
1525 if (unlikely (is_char4_unit (dtp
)))
1527 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1528 memcpy4 (p4
, options
.separator
, options
.separator_len
);
1531 memcpy (p
, options
.separator
, options
.separator_len
);
1535 /* Write an item with list formatting.
1536 TODO: handle skipping to the next record correctly, particularly
1540 list_formatted_write_scalar (st_parameter_dt
*dtp
, bt type
, void *p
, int kind
,
1543 if (dtp
->u
.p
.current_unit
== NULL
)
1546 if (dtp
->u
.p
.first_item
)
1548 dtp
->u
.p
.first_item
= 0;
1549 write_char (dtp
, ' ');
1553 if (type
!= BT_CHARACTER
|| !dtp
->u
.p
.char_flag
||
1554 dtp
->u
.p
.current_unit
->delim_status
!= DELIM_NONE
)
1555 write_separator (dtp
);
1561 write_integer (dtp
, p
, kind
);
1564 write_logical (dtp
, p
, kind
);
1567 write_character (dtp
, p
, kind
, size
);
1570 write_real (dtp
, p
, kind
);
1573 write_complex (dtp
, p
, kind
, size
);
1576 internal_error (&dtp
->common
, "list_formatted_write(): Bad type");
1579 dtp
->u
.p
.char_flag
= (type
== BT_CHARACTER
);
1584 list_formatted_write (st_parameter_dt
*dtp
, bt type
, void *p
, int kind
,
1585 size_t size
, size_t nelems
)
1589 size_t stride
= type
== BT_CHARACTER
?
1590 size
* GFC_SIZE_OF_CHAR_KIND(kind
) : size
;
1594 /* Big loop over all the elements. */
1595 for (elem
= 0; elem
< nelems
; elem
++)
1597 dtp
->u
.p
.item_count
++;
1598 list_formatted_write_scalar (dtp
, type
, tmp
+ elem
* stride
, kind
, size
);
1604 nml_write_obj writes a namelist object to the output stream. It is called
1605 recursively for derived type components:
1606 obj = is the namelist_info for the current object.
1607 offset = the offset relative to the address held by the object for
1608 derived type arrays.
1609 base = is the namelist_info of the derived type, when obj is a
1611 base_name = the full name for a derived type, including qualifiers
1613 The returned value is a pointer to the object beyond the last one
1614 accessed, including nested derived types. Notice that the namelist is
1615 a linear linked list of objects, including derived types and their
1616 components. A tree, of sorts, is implied by the compound names of
1617 the derived type components and this is how this function recurses through
1620 /* A generous estimate of the number of characters needed to print
1621 repeat counts and indices, including commas, asterices and brackets. */
1623 #define NML_DIGITS 20
1626 namelist_write_newline (st_parameter_dt
*dtp
)
1628 if (!is_internal_unit (dtp
))
1631 write_character (dtp
, "\r\n", 1, 2);
1633 write_character (dtp
, "\n", 1, 1);
1638 if (is_array_io (dtp
))
1643 int length
= dtp
->u
.p
.current_unit
->bytes_left
;
1645 p
= write_block (dtp
, length
);
1649 if (unlikely (is_char4_unit (dtp
)))
1651 gfc_char4_t
*p4
= (gfc_char4_t
*) p
;
1652 memset4 (p4
, ' ', length
);
1655 memset (p
, ' ', length
);
1657 /* Now that the current record has been padded out,
1658 determine where the next record in the array is. */
1659 record
= next_array_record (dtp
, dtp
->u
.p
.current_unit
->ls
,
1662 dtp
->u
.p
.current_unit
->endfile
= AT_ENDFILE
;
1665 /* Now seek to this record */
1666 record
= record
* dtp
->u
.p
.current_unit
->recl
;
1668 if (sseek (dtp
->u
.p
.current_unit
->s
, record
, SEEK_SET
) < 0)
1670 generate_error (&dtp
->common
, LIBERROR_INTERNAL_UNIT
, NULL
);
1674 dtp
->u
.p
.current_unit
->bytes_left
= dtp
->u
.p
.current_unit
->recl
;
1678 write_character (dtp
, " ", 1, 1);
1682 static namelist_info
*
1683 nml_write_obj (st_parameter_dt
*dtp
, namelist_info
* obj
, index_type offset
,
1684 namelist_info
* base
, char * base_name
)
1690 index_type obj_size
;
1694 index_type elem_ctr
;
1695 size_t obj_name_len
;
1700 size_t ext_name_len
;
1701 char rep_buff
[NML_DIGITS
];
1702 namelist_info
* cmp
;
1703 namelist_info
* retval
= obj
->next
;
1704 size_t base_name_len
;
1705 size_t base_var_name_len
;
1707 unit_delim tmp_delim
;
1709 /* Set the character to be used to separate values
1710 to a comma or semi-colon. */
1713 dtp
->u
.p
.current_unit
->decimal_status
== DECIMAL_POINT
? ',' : ';';
1715 /* Write namelist variable names in upper case. If a derived type,
1716 nothing is output. If a component, base and base_name are set. */
1718 if (obj
->type
!= BT_DERIVED
)
1720 namelist_write_newline (dtp
);
1721 write_character (dtp
, " ", 1, 1);
1726 len
= strlen (base
->var_name
);
1727 base_name_len
= strlen (base_name
);
1728 for (dim_i
= 0; dim_i
< base_name_len
; dim_i
++)
1730 cup
= toupper ((int) base_name
[dim_i
]);
1731 write_character (dtp
, &cup
, 1, 1);
1734 clen
= strlen (obj
->var_name
);
1735 for (dim_i
= len
; dim_i
< clen
; dim_i
++)
1737 cup
= toupper ((int) obj
->var_name
[dim_i
]);
1738 write_character (dtp
, &cup
, 1, 1);
1740 write_character (dtp
, "=", 1, 1);
1743 /* Counts the number of data output on a line, including names. */
1753 obj_size
= size_from_real_kind (len
);
1757 obj_size
= size_from_complex_kind (len
);
1761 obj_size
= obj
->string_length
;
1769 obj_size
= obj
->size
;
1771 /* Set the index vector and count the number of elements. */
1774 for (dim_i
= 0; dim_i
< (size_t) obj
->var_rank
; dim_i
++)
1776 obj
->ls
[dim_i
].idx
= GFC_DESCRIPTOR_LBOUND(obj
, dim_i
);
1777 nelem
= nelem
* GFC_DESCRIPTOR_EXTENT (obj
, dim_i
);
1780 /* Main loop to output the data held in the object. */
1783 for (elem_ctr
= 0; elem_ctr
< nelem
; elem_ctr
++)
1786 /* Build the pointer to the data value. The offset is passed by
1787 recursive calls to this function for arrays of derived types.
1788 Is NULL otherwise. */
1790 p
= (void *)(obj
->mem_pos
+ elem_ctr
* obj_size
);
1793 /* Check for repeat counts of intrinsic types. */
1795 if ((elem_ctr
< (nelem
- 1)) &&
1796 (obj
->type
!= BT_DERIVED
) &&
1797 !memcmp (p
, (void*)(p
+ obj_size
), obj_size
))
1802 /* Execute a repeated output. Note the flag no_leading_blank that
1803 is used in the functions used to output the intrinsic types. */
1809 snprintf(rep_buff
, NML_DIGITS
, " %d*", rep_ctr
);
1810 write_character (dtp
, rep_buff
, 1, strlen (rep_buff
));
1811 dtp
->u
.p
.no_leading_blank
= 1;
1815 /* Output the data, if an intrinsic type, or recurse into this
1816 routine to treat derived types. */
1822 write_integer (dtp
, p
, len
);
1826 write_logical (dtp
, p
, len
);
1830 tmp_delim
= dtp
->u
.p
.current_unit
->delim_status
;
1831 if (dtp
->u
.p
.nml_delim
== '"')
1832 dtp
->u
.p
.current_unit
->delim_status
= DELIM_QUOTE
;
1833 if (dtp
->u
.p
.nml_delim
== '\'')
1834 dtp
->u
.p
.current_unit
->delim_status
= DELIM_APOSTROPHE
;
1835 write_character (dtp
, p
, 1, obj
->string_length
);
1836 dtp
->u
.p
.current_unit
->delim_status
= tmp_delim
;
1840 write_real (dtp
, p
, len
);
1844 dtp
->u
.p
.no_leading_blank
= 0;
1846 write_complex (dtp
, p
, len
, obj_size
);
1851 /* To treat a derived type, we need to build two strings:
1852 ext_name = the name, including qualifiers that prepends
1853 component names in the output - passed to
1855 obj_name = the derived type name with no qualifiers but %
1856 appended. This is used to identify the
1859 /* First ext_name => get length of all possible components */
1861 base_name_len
= base_name
? strlen (base_name
) : 0;
1862 base_var_name_len
= base
? strlen (base
->var_name
) : 0;
1863 ext_name_len
= base_name_len
+ base_var_name_len
1864 + strlen (obj
->var_name
) + obj
->var_rank
* NML_DIGITS
+ 1;
1865 ext_name
= (char*)get_mem (ext_name_len
);
1867 memcpy (ext_name
, base_name
, base_name_len
);
1868 clen
= strlen (obj
->var_name
+ base_var_name_len
);
1869 memcpy (ext_name
+ base_name_len
,
1870 obj
->var_name
+ base_var_name_len
, clen
);
1872 /* Append the qualifier. */
1874 tot_len
= base_name_len
+ clen
;
1875 for (dim_i
= 0; dim_i
< (size_t) obj
->var_rank
; dim_i
++)
1879 ext_name
[tot_len
] = '(';
1882 snprintf (ext_name
+ tot_len
, ext_name_len
- tot_len
, "%d",
1883 (int) obj
->ls
[dim_i
].idx
);
1884 tot_len
+= strlen (ext_name
+ tot_len
);
1885 ext_name
[tot_len
] = ((int) dim_i
== obj
->var_rank
- 1) ? ')' : ',';
1889 ext_name
[tot_len
] = '\0';
1893 obj_name_len
= strlen (obj
->var_name
) + 1;
1894 obj_name
= get_mem (obj_name_len
+1);
1895 memcpy (obj_name
, obj
->var_name
, obj_name_len
-1);
1896 memcpy (obj_name
+ obj_name_len
-1, "%", 2);
1898 /* Now loop over the components. Update the component pointer
1899 with the return value from nml_write_obj => this loop jumps
1900 past nested derived types. */
1902 for (cmp
= obj
->next
;
1903 cmp
&& !strncmp (cmp
->var_name
, obj_name
, obj_name_len
);
1906 retval
= nml_write_obj (dtp
, cmp
,
1907 (index_type
)(p
- obj
->mem_pos
),
1916 internal_error (&dtp
->common
, "Bad type for namelist write");
1919 /* Reset the leading blank suppression, write a comma (or semi-colon)
1920 and, if 5 values have been output, write a newline and advance
1921 to column 2. Reset the repeat counter. */
1923 dtp
->u
.p
.no_leading_blank
= 0;
1924 write_character (dtp
, &semi_comma
, 1, 1);
1928 namelist_write_newline (dtp
);
1929 write_character (dtp
, " ", 1, 1);
1934 /* Cycle through and increment the index vector. */
1939 for (dim_i
= 0; nml_carry
&& (dim_i
< (size_t) obj
->var_rank
); dim_i
++)
1941 obj
->ls
[dim_i
].idx
+= nml_carry
;
1943 if (obj
->ls
[dim_i
].idx
> GFC_DESCRIPTOR_UBOUND(obj
,dim_i
))
1945 obj
->ls
[dim_i
].idx
= GFC_DESCRIPTOR_LBOUND(obj
,dim_i
);
1951 /* Return a pointer beyond the furthest object accessed. */
1957 /* This is the entry function for namelist writes. It outputs the name
1958 of the namelist and iterates through the namelist by calls to
1959 nml_write_obj. The call below has dummys in the arguments used in
1960 the treatment of derived types. */
1963 namelist_write (st_parameter_dt
*dtp
)
1965 namelist_info
* t1
, *t2
, *dummy
= NULL
;
1967 index_type dummy_offset
= 0;
1969 char * dummy_name
= NULL
;
1970 unit_delim tmp_delim
= DELIM_UNSPECIFIED
;
1972 /* Set the delimiter for namelist output. */
1973 tmp_delim
= dtp
->u
.p
.current_unit
->delim_status
;
1975 dtp
->u
.p
.nml_delim
= tmp_delim
== DELIM_APOSTROPHE
? '\'' : '"';
1977 /* Temporarily disable namelist delimters. */
1978 dtp
->u
.p
.current_unit
->delim_status
= DELIM_NONE
;
1980 write_character (dtp
, "&", 1, 1);
1982 /* Write namelist name in upper case - f95 std. */
1983 for (i
= 0 ;i
< dtp
->namelist_name_len
;i
++ )
1985 c
= toupper ((int) dtp
->namelist_name
[i
]);
1986 write_character (dtp
, &c
, 1 ,1);
1989 if (dtp
->u
.p
.ionml
!= NULL
)
1991 t1
= dtp
->u
.p
.ionml
;
1995 t1
= nml_write_obj (dtp
, t2
, dummy_offset
, dummy
, dummy_name
);
1999 namelist_write_newline (dtp
);
2000 write_character (dtp
, " /", 1, 2);
2001 /* Restore the original delimiter. */
2002 dtp
->u
.p
.current_unit
->delim_status
= tmp_delim
;