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");
1460 /* Output a real number with default format. To guarantee that a
1461 binary -> decimal -> binary roundtrip conversion recovers the
1462 original value, IEEE 754-2008 requires 9, 17, 21 and 36 significant
1463 digits for REAL kinds 4, 8, 10, and 16, respectively. Thus, we use
1464 1PG16.9E2 for REAL(4), 1PG25.17E3 for REAL(8), 1PG30.21E4 for
1465 REAL(10) and 1PG45.36E4 for REAL(16). The exception is that the
1466 Fortran standard requires outputting an extra digit when the scale
1467 factor is 1 and when the magnitude of the value is such that E
1468 editing is used. However, gfortran compensates for this, and thus
1469 for list formatted the same number of significant digits is
1470 generated both when using F and E editing. */
1473 write_real (st_parameter_dt *dtp, const char *source, int length)
1476 int org_scale = dtp->u.p.scale_factor;
1477 dtp->u.p.scale_factor = 1;
1478 set_fnode_default (dtp, &f, length);
1479 write_float (dtp, &f, source , length, 1);
1480 dtp->u.p.scale_factor = org_scale;
1483 /* Similar to list formatted REAL output, for kPG0 where k > 0 we
1484 compensate for the extra digit. */
1487 write_real_g0 (st_parameter_dt *dtp, const char *source, int length, int d)
1491 set_fnode_default (dtp, &f, length);
1495 /* Compensate for extra digits when using scale factor, d is not
1496 specified, and the magnitude is such that E editing is used. */
1497 if (dtp->u.p.scale_factor > 0 && d == 0)
1501 dtp->u.p.g0_no_blanks = 1;
1502 write_float (dtp, &f, source , length, comp_d);
1503 dtp->u.p.g0_no_blanks = 0;
1508 write_complex (st_parameter_dt *dtp, const char *source, int kind, size_t size)
1511 dtp->u.p.current_unit->decimal_status == DECIMAL_POINT ? ',' : ';';
1513 if (write_char (dtp, '('))
1515 write_real (dtp, source, kind);
1517 if (write_char (dtp, semi_comma))
1519 write_real (dtp, source + size / 2, kind);
1521 write_char (dtp, ')');
1525 /* Write the separator between items. */
1528 write_separator (st_parameter_dt *dtp)
1532 p = write_block (dtp, options.separator_len);
1535 if (unlikely (is_char4_unit (dtp)))
1537 gfc_char4_t *p4 = (gfc_char4_t *) p;
1538 memcpy4 (p4, options.separator, options.separator_len);
1541 memcpy (p, options.separator, options.separator_len);
1545 /* Write an item with list formatting.
1546 TODO: handle skipping to the next record correctly, particularly
1550 list_formatted_write_scalar (st_parameter_dt *dtp, bt type, void *p, int kind,
1553 if (dtp->u.p.current_unit == NULL)
1556 if (dtp->u.p.first_item)
1558 dtp->u.p.first_item = 0;
1559 write_char (dtp, ' ');
1563 if (type != BT_CHARACTER || !dtp->u.p.char_flag ||
1564 dtp->u.p.current_unit->delim_status != DELIM_NONE)
1565 write_separator (dtp);
1571 write_integer (dtp, p, kind);
1574 write_logical (dtp, p, kind);
1577 write_character (dtp, p, kind, size);
1580 write_real (dtp, p, kind);
1583 write_complex (dtp, p, kind, size);
1586 internal_error (&dtp->common, "list_formatted_write(): Bad type");
1589 dtp->u.p.char_flag = (type == BT_CHARACTER);
1594 list_formatted_write (st_parameter_dt *dtp, bt type, void *p, int kind,
1595 size_t size, size_t nelems)
1599 size_t stride = type == BT_CHARACTER ?
1600 size * GFC_SIZE_OF_CHAR_KIND(kind) : size;
1604 /* Big loop over all the elements. */
1605 for (elem = 0; elem < nelems; elem++)
1607 dtp->u.p.item_count++;
1608 list_formatted_write_scalar (dtp, type, tmp + elem * stride, kind, size);
1614 nml_write_obj writes a namelist object to the output stream. It is called
1615 recursively for derived type components:
1616 obj = is the namelist_info for the current object.
1617 offset = the offset relative to the address held by the object for
1618 derived type arrays.
1619 base = is the namelist_info of the derived type, when obj is a
1621 base_name = the full name for a derived type, including qualifiers
1623 The returned value is a pointer to the object beyond the last one
1624 accessed, including nested derived types. Notice that the namelist is
1625 a linear linked list of objects, including derived types and their
1626 components. A tree, of sorts, is implied by the compound names of
1627 the derived type components and this is how this function recurses through
1630 /* A generous estimate of the number of characters needed to print
1631 repeat counts and indices, including commas, asterices and brackets. */
1633 #define NML_DIGITS 20
1636 namelist_write_newline (st_parameter_dt *dtp)
1638 if (!is_internal_unit (dtp))
1641 write_character (dtp, "\r\n", 1, 2);
1643 write_character (dtp, "\n", 1, 1);
1648 if (is_array_io (dtp))
1653 int length = dtp->u.p.current_unit->bytes_left;
1655 p = write_block (dtp, length);
1659 if (unlikely (is_char4_unit (dtp)))
1661 gfc_char4_t *p4 = (gfc_char4_t *) p;
1662 memset4 (p4, ' ', length);
1665 memset (p, ' ', length);
1667 /* Now that the current record has been padded out,
1668 determine where the next record in the array is. */
1669 record = next_array_record (dtp, dtp->u.p.current_unit->ls,
1672 dtp->u.p.current_unit->endfile = AT_ENDFILE;
1675 /* Now seek to this record */
1676 record = record * dtp->u.p.current_unit->recl;
1678 if (sseek (dtp->u.p.current_unit->s, record, SEEK_SET) < 0)
1680 generate_error (&dtp->common, LIBERROR_INTERNAL_UNIT, NULL);
1684 dtp->u.p.current_unit->bytes_left = dtp->u.p.current_unit->recl;
1688 write_character (dtp, " ", 1, 1);
1692 static namelist_info *
1693 nml_write_obj (st_parameter_dt *dtp, namelist_info * obj, index_type offset,
1694 namelist_info * base, char * base_name)
1700 index_type obj_size;
1704 index_type elem_ctr;
1705 size_t obj_name_len;
1710 size_t ext_name_len;
1711 char rep_buff[NML_DIGITS];
1712 namelist_info * cmp;
1713 namelist_info * retval = obj->next;
1714 size_t base_name_len;
1715 size_t base_var_name_len;
1717 unit_delim tmp_delim;
1719 /* Set the character to be used to separate values
1720 to a comma or semi-colon. */
1723 dtp->u.p.current_unit->decimal_status == DECIMAL_POINT ? ',' : ';';
1725 /* Write namelist variable names in upper case. If a derived type,
1726 nothing is output. If a component, base and base_name are set. */
1728 if (obj->type != BT_DERIVED)
1730 namelist_write_newline (dtp);
1731 write_character (dtp, " ", 1, 1);
1736 len = strlen (base->var_name);
1737 base_name_len = strlen (base_name);
1738 for (dim_i = 0; dim_i < base_name_len; dim_i++)
1740 cup = toupper ((int) base_name[dim_i]);
1741 write_character (dtp, &cup, 1, 1);
1744 clen = strlen (obj->var_name);
1745 for (dim_i = len; dim_i < clen; dim_i++)
1747 cup = toupper ((int) obj->var_name[dim_i]);
1748 write_character (dtp, &cup, 1, 1);
1750 write_character (dtp, "=", 1, 1);
1753 /* Counts the number of data output on a line, including names. */
1763 obj_size = size_from_real_kind (len);
1767 obj_size = size_from_complex_kind (len);
1771 obj_size = obj->string_length;
1779 obj_size = obj->size;
1781 /* Set the index vector and count the number of elements. */
1784 for (dim_i = 0; dim_i < (size_t) obj->var_rank; dim_i++)
1786 obj->ls[dim_i].idx = GFC_DESCRIPTOR_LBOUND(obj, dim_i);
1787 nelem = nelem * GFC_DESCRIPTOR_EXTENT (obj, dim_i);
1790 /* Main loop to output the data held in the object. */
1793 for (elem_ctr = 0; elem_ctr < nelem; elem_ctr++)
1796 /* Build the pointer to the data value. The offset is passed by
1797 recursive calls to this function for arrays of derived types.
1798 Is NULL otherwise. */
1800 p = (void *)(obj->mem_pos + elem_ctr * obj_size);
1803 /* Check for repeat counts of intrinsic types. */
1805 if ((elem_ctr < (nelem - 1)) &&
1806 (obj->type != BT_DERIVED) &&
1807 !memcmp (p, (void*)(p + obj_size ), obj_size ))
1812 /* Execute a repeated output. Note the flag no_leading_blank that
1813 is used in the functions used to output the intrinsic types. */
1819 snprintf(rep_buff, NML_DIGITS, " %d*", rep_ctr);
1820 write_character (dtp, rep_buff, 1, strlen (rep_buff));
1821 dtp->u.p.no_leading_blank = 1;
1825 /* Output the data, if an intrinsic type, or recurse into this
1826 routine to treat derived types. */
1832 write_integer (dtp, p, len);
1836 write_logical (dtp, p, len);
1840 tmp_delim = dtp->u.p.current_unit->delim_status;
1841 if (dtp->u.p.nml_delim == '"')
1842 dtp->u.p.current_unit->delim_status = DELIM_QUOTE;
1843 if (dtp->u.p.nml_delim == '\'')
1844 dtp->u.p.current_unit->delim_status = DELIM_APOSTROPHE;
1845 write_character (dtp, p, 1, obj->string_length);
1846 dtp->u.p.current_unit->delim_status = tmp_delim;
1850 write_real (dtp, p, len);
1854 dtp->u.p.no_leading_blank = 0;
1856 write_complex (dtp, p, len, obj_size);
1861 /* To treat a derived type, we need to build two strings:
1862 ext_name = the name, including qualifiers that prepends
1863 component names in the output - passed to
1865 obj_name = the derived type name with no qualifiers but %
1866 appended. This is used to identify the
1869 /* First ext_name => get length of all possible components */
1871 base_name_len = base_name ? strlen (base_name) : 0;
1872 base_var_name_len = base ? strlen (base->var_name) : 0;
1873 ext_name_len = base_name_len + base_var_name_len
1874 + strlen (obj->var_name) + obj->var_rank * NML_DIGITS + 1;
1875 ext_name = (char*)get_mem (ext_name_len);
1877 memcpy (ext_name, base_name, base_name_len);
1878 clen = strlen (obj->var_name + base_var_name_len);
1879 memcpy (ext_name + base_name_len,
1880 obj->var_name + base_var_name_len, clen);
1882 /* Append the qualifier. */
1884 tot_len = base_name_len + clen;
1885 for (dim_i = 0; dim_i < (size_t) obj->var_rank; dim_i++)
1889 ext_name[tot_len] = '(';
1892 snprintf (ext_name + tot_len, ext_name_len - tot_len, "%d",
1893 (int) obj->ls[dim_i].idx);
1894 tot_len += strlen (ext_name + tot_len);
1895 ext_name[tot_len] = ((int) dim_i == obj->var_rank - 1) ? ')' : ',';
1899 ext_name[tot_len] = '\0';
1903 obj_name_len = strlen (obj->var_name) + 1;
1904 obj_name = get_mem (obj_name_len+1);
1905 memcpy (obj_name, obj->var_name, obj_name_len-1);
1906 memcpy (obj_name + obj_name_len-1, "%", 2);
1908 /* Now loop over the components. Update the component pointer
1909 with the return value from nml_write_obj => this loop jumps
1910 past nested derived types. */
1912 for (cmp = obj->next;
1913 cmp && !strncmp (cmp->var_name, obj_name, obj_name_len);
1916 retval = nml_write_obj (dtp, cmp,
1917 (index_type)(p - obj->mem_pos),
1926 internal_error (&dtp->common, "Bad type for namelist write");
1929 /* Reset the leading blank suppression, write a comma (or semi-colon)
1930 and, if 5 values have been output, write a newline and advance
1931 to column 2. Reset the repeat counter. */
1933 dtp->u.p.no_leading_blank = 0;
1934 write_character (dtp, &semi_comma, 1, 1);
1938 namelist_write_newline (dtp);
1939 write_character (dtp, " ", 1, 1);
1944 /* Cycle through and increment the index vector. */
1949 for (dim_i = 0; nml_carry && (dim_i < (size_t) obj->var_rank); dim_i++)
1951 obj->ls[dim_i].idx += nml_carry ;
1953 if (obj->ls[dim_i].idx > GFC_DESCRIPTOR_UBOUND(obj,dim_i))
1955 obj->ls[dim_i].idx = GFC_DESCRIPTOR_LBOUND(obj,dim_i);
1961 /* Return a pointer beyond the furthest object accessed. */
1967 /* This is the entry function for namelist writes. It outputs the name
1968 of the namelist and iterates through the namelist by calls to
1969 nml_write_obj. The call below has dummys in the arguments used in
1970 the treatment of derived types. */
1973 namelist_write (st_parameter_dt *dtp)
1975 namelist_info * t1, *t2, *dummy = NULL;
1977 index_type dummy_offset = 0;
1979 char * dummy_name = NULL;
1980 unit_delim tmp_delim = DELIM_UNSPECIFIED;
1982 /* Set the delimiter for namelist output. */
1983 tmp_delim = dtp->u.p.current_unit->delim_status;
1985 dtp->u.p.nml_delim = tmp_delim == DELIM_APOSTROPHE ? '\'' : '"';
1987 /* Temporarily disable namelist delimters. */
1988 dtp->u.p.current_unit->delim_status = DELIM_NONE;
1990 write_character (dtp, "&", 1, 1);
1992 /* Write namelist name in upper case - f95 std. */
1993 for (i = 0 ;i < dtp->namelist_name_len ;i++ )
1995 c = toupper ((int) dtp->namelist_name[i]);
1996 write_character (dtp, &c, 1 ,1);
1999 if (dtp->u.p.ionml != NULL)
2001 t1 = dtp->u.p.ionml;
2005 t1 = nml_write_obj (dtp, t2, dummy_offset, dummy, dummy_name);
2009 namelist_write_newline (dtp);
2010 write_character (dtp, " /", 1, 2);
2011 /* Restore the original delimiter. */
2012 dtp->u.p.current_unit->delim_status = tmp_delim;