]>
Commit | Line | Data |
---|---|---|
6de9cd9a | 1 | /* IO Code translation/library interface |
fa502cb2 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
7d1f1e61 | 3 | Free Software Foundation, Inc. |
6de9cd9a DN |
4 | Contributed by Paul Brook |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 10 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 11 | version. |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
21 | |
22 | ||
23 | #include "config.h" | |
24 | #include "system.h" | |
25 | #include "coretypes.h" | |
26 | #include "tree.h" | |
6de9cd9a | 27 | #include "ggc.h" |
c829d016 | 28 | #include "diagnostic-core.h" /* For internal_error. */ |
6de9cd9a DN |
29 | #include "gfortran.h" |
30 | #include "trans.h" | |
31 | #include "trans-stmt.h" | |
32 | #include "trans-array.h" | |
33 | #include "trans-types.h" | |
34 | #include "trans-const.h" | |
35 | ||
6de9cd9a DN |
36 | /* Members of the ioparm structure. */ |
37 | ||
5e805e44 JJ |
38 | enum ioparam_type |
39 | { | |
40 | IOPARM_ptype_common, | |
41 | IOPARM_ptype_open, | |
42 | IOPARM_ptype_close, | |
43 | IOPARM_ptype_filepos, | |
44 | IOPARM_ptype_inquire, | |
45 | IOPARM_ptype_dt, | |
6f0f0b2e | 46 | IOPARM_ptype_wait, |
5e805e44 JJ |
47 | IOPARM_ptype_num |
48 | }; | |
49 | ||
50 | enum iofield_type | |
51 | { | |
52 | IOPARM_type_int4, | |
014ec6ee | 53 | IOPARM_type_intio, |
5e805e44 | 54 | IOPARM_type_pint4, |
014ec6ee | 55 | IOPARM_type_pintio, |
5e805e44 JJ |
56 | IOPARM_type_pchar, |
57 | IOPARM_type_parray, | |
58 | IOPARM_type_pad, | |
59 | IOPARM_type_char1, | |
60 | IOPARM_type_char2, | |
61 | IOPARM_type_common, | |
62 | IOPARM_type_num | |
63 | }; | |
64 | ||
d1b38208 | 65 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
66 | const char *name; |
67 | unsigned int mask; | |
68 | enum ioparam_type param_type; | |
69 | enum iofield_type type; | |
70 | tree field; | |
71 | tree field_len; | |
72 | } | |
73 | gfc_st_parameter_field; | |
6de9cd9a | 74 | |
d1b38208 | 75 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
76 | const char *name; |
77 | tree type; | |
78 | } | |
79 | gfc_st_parameter; | |
80 | ||
81 | enum iofield | |
82 | { | |
83 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
84 | #include "ioparm.def" | |
85 | #undef IOPARM | |
86 | IOPARM_field_num | |
87 | }; | |
88 | ||
89 | static GTY(()) gfc_st_parameter st_parameter[] = | |
90 | { | |
91 | { "common", NULL }, | |
92 | { "open", NULL }, | |
93 | { "close", NULL }, | |
94 | { "filepos", NULL }, | |
95 | { "inquire", NULL }, | |
6f0f0b2e JD |
96 | { "dt", NULL }, |
97 | { "wait", NULL } | |
5e805e44 JJ |
98 | }; |
99 | ||
100 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
101 | { | |
102 | #define IOPARM(param_type, name, mask, type) \ | |
103 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
104 | #include "ioparm.def" | |
105 | #undef IOPARM | |
81f40b79 | 106 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 107 | }; |
6de9cd9a DN |
108 | |
109 | /* Library I/O subroutines */ | |
110 | ||
5e805e44 JJ |
111 | enum iocall |
112 | { | |
113 | IOCALL_READ, | |
114 | IOCALL_READ_DONE, | |
115 | IOCALL_WRITE, | |
116 | IOCALL_WRITE_DONE, | |
117 | IOCALL_X_INTEGER, | |
6eb6875d | 118 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 119 | IOCALL_X_LOGICAL, |
6eb6875d | 120 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 121 | IOCALL_X_CHARACTER, |
6eb6875d | 122 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 123 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 124 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 125 | IOCALL_X_REAL, |
6eb6875d | 126 | IOCALL_X_REAL_WRITE, |
5e805e44 | 127 | IOCALL_X_COMPLEX, |
6eb6875d | 128 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
129 | IOCALL_X_REAL128, |
130 | IOCALL_X_REAL128_WRITE, | |
131 | IOCALL_X_COMPLEX128, | |
132 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 133 | IOCALL_X_ARRAY, |
6eb6875d | 134 | IOCALL_X_ARRAY_WRITE, |
5e805e44 JJ |
135 | IOCALL_OPEN, |
136 | IOCALL_CLOSE, | |
137 | IOCALL_INQUIRE, | |
138 | IOCALL_IOLENGTH, | |
139 | IOCALL_IOLENGTH_DONE, | |
140 | IOCALL_REWIND, | |
141 | IOCALL_BACKSPACE, | |
142 | IOCALL_ENDFILE, | |
143 | IOCALL_FLUSH, | |
144 | IOCALL_SET_NML_VAL, | |
145 | IOCALL_SET_NML_VAL_DIM, | |
6f0f0b2e | 146 | IOCALL_WAIT, |
5e805e44 JJ |
147 | IOCALL_NUM |
148 | }; | |
149 | ||
150 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
151 | |
152 | /* Variable for keeping track of what the last data transfer statement | |
153 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 154 | transfer is complete. */ |
8750f9cd | 155 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 156 | |
5e805e44 JJ |
157 | /* The data transfer parameter block that should be shared by all |
158 | data transfer calls belonging to the same read/write/iolength. */ | |
159 | static GTY(()) tree dt_parm; | |
160 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 161 | |
5e805e44 JJ |
162 | static void |
163 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
164 | { | |
32e8bb8e | 165 | unsigned int type; |
5e805e44 JJ |
166 | gfc_st_parameter_field *p; |
167 | char name[64]; | |
168 | size_t len; | |
169 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 170 | tree *chain = NULL; |
5e805e44 JJ |
171 | |
172 | len = strlen (st_parameter[ptype].name); | |
173 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
174 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
175 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 176 | len + 1); |
5e805e44 JJ |
177 | TYPE_NAME (t) = get_identifier (name); |
178 | ||
179 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
180 | if (p->param_type == ptype) | |
181 | switch (p->type) | |
182 | { | |
183 | case IOPARM_type_int4: | |
014ec6ee | 184 | case IOPARM_type_intio: |
5e805e44 | 185 | case IOPARM_type_pint4: |
014ec6ee | 186 | case IOPARM_type_pintio: |
5e805e44 JJ |
187 | case IOPARM_type_parray: |
188 | case IOPARM_type_pchar: | |
189 | case IOPARM_type_pad: | |
35151cd5 | 190 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 191 | types[p->type], &chain); |
5e805e44 JJ |
192 | break; |
193 | case IOPARM_type_char1: | |
35151cd5 | 194 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 195 | pchar_type_node, &chain); |
5e805e44 JJ |
196 | /* FALLTHROUGH */ |
197 | case IOPARM_type_char2: | |
198 | len = strlen (p->name); | |
199 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
200 | memcpy (name, p->name, len); | |
201 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 202 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
203 | gfc_charlen_type_node, |
204 | &chain); | |
5e805e44 | 205 | if (p->type == IOPARM_type_char2) |
35151cd5 | 206 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 207 | pchar_type_node, &chain); |
5e805e44 JJ |
208 | break; |
209 | case IOPARM_type_common: | |
210 | p->field | |
35151cd5 | 211 | = gfc_add_field_to_struct (t, |
5e805e44 | 212 | get_identifier (p->name), |
dfd6ece2 NF |
213 | st_parameter[IOPARM_ptype_common].type, |
214 | &chain); | |
5e805e44 JJ |
215 | break; |
216 | case IOPARM_type_num: | |
217 | gcc_unreachable (); | |
218 | } | |
6de9cd9a | 219 | |
5e805e44 JJ |
220 | gfc_finish_type (t); |
221 | st_parameter[ptype].type = t; | |
222 | } | |
6de9cd9a | 223 | |
f96d606f JD |
224 | |
225 | /* Build code to test an error condition and call generate_error if needed. | |
226 | Note: This builds calls to generate_error in the runtime library function. | |
227 | The function generate_error is dependent on certain parameters in the | |
228 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
229 | Therefore, the code to set these flags must be generated before | |
230 | this function is used. */ | |
231 | ||
232 | void | |
233 | gfc_trans_io_runtime_check (tree cond, tree var, int error_code, | |
234 | const char * msgid, stmtblock_t * pblock) | |
235 | { | |
236 | stmtblock_t block; | |
237 | tree body; | |
238 | tree tmp; | |
239 | tree arg1, arg2, arg3; | |
240 | char *message; | |
241 | ||
242 | if (integer_zerop (cond)) | |
243 | return; | |
244 | ||
245 | /* The code to generate the error. */ | |
246 | gfc_start_block (&block); | |
247 | ||
628c189e | 248 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
f96d606f JD |
249 | |
250 | arg2 = build_int_cst (integer_type_node, error_code), | |
251 | ||
252 | asprintf (&message, "%s", _(msgid)); | |
ee37d2f5 FXC |
253 | arg3 = gfc_build_addr_expr (pchar_type_node, |
254 | gfc_build_localized_cstring_const (message)); | |
cede9502 | 255 | free (message); |
f96d606f | 256 | |
db3927fb AH |
257 | tmp = build_call_expr_loc (input_location, |
258 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
259 | |
260 | gfc_add_expr_to_block (&block, tmp); | |
261 | ||
262 | body = gfc_finish_block (&block); | |
263 | ||
264 | if (integer_onep (cond)) | |
265 | { | |
266 | gfc_add_expr_to_block (pblock, body); | |
267 | } | |
268 | else | |
269 | { | |
5af07930 | 270 | cond = gfc_unlikely (cond); |
c2255bc4 | 271 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
272 | gfc_add_expr_to_block (pblock, tmp); |
273 | } | |
274 | } | |
275 | ||
276 | ||
6de9cd9a DN |
277 | /* Create function decls for IO library functions. */ |
278 | ||
279 | void | |
280 | gfc_build_io_library_fndecls (void) | |
281 | { | |
5e805e44 | 282 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 283 | tree gfc_intio_type_node; |
5e805e44 | 284 | tree parm_type, dt_parm_type; |
5e805e44 | 285 | HOST_WIDE_INT pad_size; |
09639a83 | 286 | unsigned int ptype; |
5e805e44 JJ |
287 | |
288 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
289 | types[IOPARM_type_intio] = gfc_intio_type_node |
290 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 291 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
292 | types[IOPARM_type_pintio] |
293 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
294 | types[IOPARM_type_parray] = pchar_type_node; |
295 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 296 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 297 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
df09d1d5 | 298 | pad_idx = build_index_type (size_int (pad_size - 1)); |
5e805e44 | 299 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
300 | |
301 | /* pad actually contains pointers and integers so it needs to have an | |
302 | alignment that is at least as large as the needed alignment for those | |
303 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
304 | what really goes into this space. */ | |
305 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
e1456843 | 306 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
7ae99337 | 307 | |
5e805e44 | 308 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 309 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 310 | |
6eb6875d | 311 | /* Define the transfer functions. */ |
6de9cd9a | 312 | |
5e805e44 JJ |
313 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
314 | ||
3f34855a TB |
315 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
316 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
317 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
318 | ||
6eb6875d TK |
319 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
320 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
321 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
322 | ||
3f34855a TB |
323 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
324 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
325 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
326 | ||
6eb6875d TK |
327 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
328 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
329 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
330 | ||
3f34855a TB |
331 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
332 | get_identifier (PREFIX("transfer_character")), ".wW", | |
333 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
334 | ||
6eb6875d TK |
335 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
336 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
337 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
338 | ||
3f34855a TB |
339 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
340 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
341 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
342 | gfc_charlen_type_node, gfc_int4_type_node); | |
343 | ||
6eb6875d TK |
344 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
345 | gfc_build_library_function_decl_with_spec ( | |
346 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
347 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
348 | gfc_charlen_type_node, gfc_int4_type_node); | |
349 | ||
3f34855a TB |
350 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
351 | get_identifier (PREFIX("transfer_real")), ".wW", | |
352 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
353 | ||
6eb6875d TK |
354 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
355 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
356 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
357 | ||
3f34855a TB |
358 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
359 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
360 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
361 | ||
6eb6875d TK |
362 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
363 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
364 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
365 | ||
1ec601bf FXC |
366 | /* Version for __float128. */ |
367 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
368 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
369 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
370 | ||
371 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
372 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
373 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
374 | ||
375 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
376 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
377 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
378 | ||
379 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
380 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
381 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
382 | ||
3f34855a | 383 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 384 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
385 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
386 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 387 | |
6eb6875d TK |
388 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
389 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
390 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
391 | integer_type_node, gfc_charlen_type_node); | |
392 | ||
6de9cd9a DN |
393 | /* Library entry points */ |
394 | ||
3f34855a TB |
395 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
396 | get_identifier (PREFIX("st_read")), ".w", | |
397 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 398 | |
3f34855a TB |
399 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
400 | get_identifier (PREFIX("st_write")), ".w", | |
401 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
402 | |
403 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
404 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
405 | get_identifier (PREFIX("st_open")), ".w", | |
406 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
407 | |
408 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
409 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
410 | get_identifier (PREFIX("st_close")), ".w", | |
411 | void_type_node, 1, parm_type); | |
6de9cd9a | 412 | |
5e805e44 | 413 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
414 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
415 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 416 | void_type_node, 1, parm_type); |
6de9cd9a | 417 | |
3f34855a TB |
418 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
419 | get_identifier (PREFIX("st_iolength")), ".w", | |
420 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 421 | |
3f34855a | 422 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 423 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
424 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
425 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 426 | void_type_node, 1, parm_type); |
6f0f0b2e | 427 | |
5e805e44 | 428 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
429 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
430 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 431 | void_type_node, 1, parm_type); |
6de9cd9a | 432 | |
3f34855a TB |
433 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
434 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 435 | void_type_node, 1, parm_type); |
6de9cd9a | 436 | |
3f34855a TB |
437 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
438 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 439 | void_type_node, 1, parm_type); |
6403ec5f | 440 | |
3f34855a TB |
441 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
442 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 443 | void_type_node, 1, parm_type); |
6403ec5f | 444 | |
6de9cd9a DN |
445 | /* Library helpers */ |
446 | ||
3f34855a TB |
447 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
448 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 449 | void_type_node, 1, dt_parm_type); |
8750f9cd | 450 | |
3f34855a TB |
451 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
452 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 453 | void_type_node, 1, dt_parm_type); |
8750f9cd | 454 | |
3f34855a TB |
455 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
456 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 457 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 458 | |
3f34855a TB |
459 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
460 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
461 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
a19d2b95 | 462 | void_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 463 | |
3f34855a TB |
464 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
465 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
466 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
467 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
468 | } |
469 | ||
470 | ||
5e805e44 JJ |
471 | /* Generate code to store an integer constant into the |
472 | st_parameter_XXX structure. */ | |
473 | ||
474 | static unsigned int | |
475 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
476 | unsigned int val) | |
477 | { | |
478 | tree tmp; | |
479 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
480 | ||
481 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
482 | var = fold_build3_loc (input_location, COMPONENT_REF, |
483 | st_parameter[IOPARM_ptype_common].type, | |
484 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
485 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
486 | var, p->field, NULL_TREE); | |
726a989a | 487 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
5e805e44 JJ |
488 | return p->mask; |
489 | } | |
490 | ||
491 | ||
49de9e73 | 492 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 493 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 494 | |
5e805e44 JJ |
495 | static unsigned int |
496 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, | |
497 | gfc_expr *e) | |
6de9cd9a DN |
498 | { |
499 | gfc_se se; | |
500 | tree tmp; | |
5e805e44 | 501 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 502 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
503 | |
504 | gfc_init_se (&se, NULL); | |
f96d606f JD |
505 | gfc_conv_expr_val (&se, e); |
506 | ||
507 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 508 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 509 | { |
9ad55c33 | 510 | tree cond, val; |
f96d606f JD |
511 | int i; |
512 | ||
f96d606f JD |
513 | /* Don't evaluate the UNIT number multiple times. */ |
514 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
515 | ||
9ad55c33 JD |
516 | /* UNIT numbers should be greater than the min. */ |
517 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
518 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
65a9ca82 TB |
519 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
520 | se.expr, | |
521 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 522 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
9ad55c33 | 523 | "Unit number in I/O statement too small", |
f96d606f JD |
524 | &se.pre); |
525 | ||
526 | /* UNIT numbers should be less than the max. */ | |
9ad55c33 | 527 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
65a9ca82 TB |
528 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
529 | se.expr, | |
530 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 531 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
f96d606f JD |
532 | "Unit number in I/O statement too large", |
533 | &se.pre); | |
534 | ||
535 | } | |
536 | ||
537 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
538 | gfc_add_block_to_block (block, &se.pre); |
539 | ||
5e805e44 | 540 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
541 | var = fold_build3_loc (input_location, COMPONENT_REF, |
542 | st_parameter[IOPARM_ptype_common].type, | |
543 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 544 | |
65a9ca82 TB |
545 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
546 | p->field, NULL_TREE); | |
726a989a | 547 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 548 | return p->mask; |
6de9cd9a DN |
549 | } |
550 | ||
551 | ||
49de9e73 | 552 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 553 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 554 | |
5e805e44 JJ |
555 | static unsigned int |
556 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
557 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
558 | { |
559 | gfc_se se; | |
5e805e44 JJ |
560 | tree tmp, addr; |
561 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 562 | |
5e805e44 | 563 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 564 | gfc_init_se (&se, NULL); |
5e805e44 | 565 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 566 | |
6de9cd9a DN |
567 | gfc_add_block_to_block (block, &se.pre); |
568 | ||
5e805e44 JJ |
569 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
570 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 571 | { |
628c189e | 572 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
573 | |
574 | /* If this is for the iostat variable initialize the | |
d74b97cc | 575 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 576 | if (type == IOPARM_common_iostat) |
726a989a | 577 | gfc_add_modify (block, se.expr, |
d74b97cc | 578 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 579 | } |
5e805e44 JJ |
580 | else |
581 | { | |
582 | /* The type used by the library has different size | |
f96d606f JD |
583 | from the type of the variable supplied by the user. |
584 | Need to use a temporary. */ | |
585 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
586 | st_parameter_field[type].name); | |
587 | ||
588 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 589 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 590 | if (type == IOPARM_common_iostat) |
726a989a | 591 | gfc_add_modify (block, tmpvar, |
d74b97cc | 592 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 593 | |
628c189e | 594 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 595 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 596 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 597 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 598 | } |
5e805e44 JJ |
599 | |
600 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
601 | var = fold_build3_loc (input_location, COMPONENT_REF, |
602 | st_parameter[IOPARM_ptype_common].type, | |
603 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
604 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
605 | var, p->field, NULL_TREE); | |
726a989a | 606 | gfc_add_modify (block, tmp, addr); |
5e805e44 | 607 | return p->mask; |
6de9cd9a DN |
608 | } |
609 | ||
d3642f89 FW |
610 | /* Given an array expr, find its address and length to get a string. If the |
611 | array is full, the string's address is the address of array's first element | |
7e279142 | 612 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 613 | string's address is the element's address and the length is the rest size of |
7e279142 | 614 | the array. */ |
d3642f89 FW |
615 | |
616 | static void | |
617 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
618 | { | |
d3642f89 | 619 | tree size; |
d3642f89 | 620 | |
7e279142 | 621 | if (e->rank == 0) |
d3642f89 | 622 | { |
7e279142 JJ |
623 | tree type, array, tmp; |
624 | gfc_symbol *sym; | |
625 | int rank; | |
626 | ||
627 | /* If it is an element, we need its address and size of the rest. */ | |
628 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
629 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
630 | sym = e->symtree->n.sym; | |
631 | rank = sym->as->rank - 1; | |
d3642f89 | 632 | gfc_conv_expr (se, e); |
d3642f89 | 633 | |
7e279142 JJ |
634 | array = sym->backend_decl; |
635 | type = TREE_TYPE (array); | |
d3642f89 | 636 | |
7e279142 JJ |
637 | if (GFC_ARRAY_TYPE_P (type)) |
638 | size = GFC_TYPE_ARRAY_SIZE (type); | |
639 | else | |
640 | { | |
641 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
642 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
643 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
644 | gfc_array_index_type, | |
645 | gfc_conv_array_ubound (array, rank), | |
646 | gfc_conv_array_lbound (array, rank)); | |
647 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
648 | gfc_array_index_type, tmp, | |
649 | gfc_index_one_node); | |
650 | size = fold_build2_loc (input_location, MULT_EXPR, | |
651 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
652 | } |
653 | gcc_assert (size); | |
d3642f89 | 654 | |
65a9ca82 TB |
655 | size = fold_build2_loc (input_location, MINUS_EXPR, |
656 | gfc_array_index_type, size, | |
657 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 658 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 659 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
660 | size = fold_build2_loc (input_location, MULT_EXPR, |
661 | gfc_array_index_type, size, | |
662 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
663 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
664 | return; | |
d3642f89 FW |
665 | } |
666 | ||
2960a368 | 667 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
d3642f89 FW |
668 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
669 | } | |
6de9cd9a | 670 | |
109b0ac2 | 671 | |
6de9cd9a | 672 | /* Generate code to store a string and its length into the |
5e805e44 | 673 | st_parameter_XXX structure. */ |
6de9cd9a | 674 | |
5e805e44 | 675 | static unsigned int |
6de9cd9a | 676 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 677 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
678 | { |
679 | gfc_se se; | |
680 | tree tmp; | |
6de9cd9a DN |
681 | tree io; |
682 | tree len; | |
5e805e44 | 683 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
684 | |
685 | gfc_init_se (&se, NULL); | |
6de9cd9a | 686 | |
5e805e44 | 687 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
688 | var = fold_build3_loc (input_location, COMPONENT_REF, |
689 | st_parameter[IOPARM_ptype_common].type, | |
690 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
691 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 692 | var, p->field, NULL_TREE); |
65a9ca82 TB |
693 | len = fold_build3_loc (input_location, COMPONENT_REF, |
694 | TREE_TYPE (p->field_len), | |
695 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 696 | |
7ab92584 | 697 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
698 | if (e->ts.type == BT_INTEGER |
699 | && e->rank == 0 | |
700 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 701 | { |
dd18a33b | 702 | char * msg; |
c8fe94c7 | 703 | tree cond; |
dd18a33b | 704 | |
ce2df7c6 | 705 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 706 | tmp = GFC_DECL_STRING_LEN (se.expr); |
65a9ca82 TB |
707 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
708 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 709 | |
c8fe94c7 FXC |
710 | asprintf(&msg, "Label assigned to variable '%s' (%%ld) is not a format " |
711 | "label", e->symtree->name); | |
0d52899f | 712 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 713 | fold_convert (long_integer_type_node, tmp)); |
cede9502 | 714 | free (msg); |
dd18a33b | 715 | |
726a989a | 716 | gfc_add_modify (&se.pre, io, |
b078dfbf | 717 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 718 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
719 | } |
720 | else | |
721 | { | |
d3642f89 FW |
722 | /* General character. */ |
723 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
724 | gfc_conv_expr (&se, e); | |
725 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 726 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
727 | gfc_convert_array_to_string (&se, e); |
728 | else | |
729 | gcc_unreachable (); | |
730 | ||
6de9cd9a | 731 | gfc_conv_string_parameter (&se); |
726a989a RB |
732 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
733 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
734 | } |
735 | ||
736 | gfc_add_block_to_block (block, &se.pre); | |
737 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 738 | return p->mask; |
6de9cd9a DN |
739 | } |
740 | ||
741 | ||
109b0ac2 PT |
742 | /* Generate code to store the character (array) and the character length |
743 | for an internal unit. */ | |
744 | ||
5e805e44 | 745 | static unsigned int |
d4feb3d3 PT |
746 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
747 | tree var, gfc_expr * e) | |
109b0ac2 PT |
748 | { |
749 | gfc_se se; | |
750 | tree io; | |
751 | tree len; | |
752 | tree desc; | |
753 | tree tmp; | |
5e805e44 JJ |
754 | gfc_st_parameter_field *p; |
755 | unsigned int mask; | |
109b0ac2 PT |
756 | |
757 | gfc_init_se (&se, NULL); | |
758 | ||
5e805e44 JJ |
759 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
760 | mask = p->mask; | |
65a9ca82 TB |
761 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
762 | var, p->field, NULL_TREE); | |
763 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
764 | var, p->field_len, NULL_TREE); | |
5e805e44 | 765 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
766 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
767 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
768 | |
769 | gcc_assert (e->ts.type == BT_CHARACTER); | |
770 | ||
771 | /* Character scalars. */ | |
772 | if (e->rank == 0) | |
773 | { | |
774 | gfc_conv_expr (&se, e); | |
775 | gfc_conv_string_parameter (&se); | |
776 | tmp = se.expr; | |
c3238e32 | 777 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
778 | } |
779 | ||
780 | /* Character array. */ | |
64db4d29 | 781 | else if (e->rank > 0) |
109b0ac2 | 782 | { |
1d6b7f39 | 783 | if (is_subref_array (e)) |
d4feb3d3 PT |
784 | { |
785 | /* Use a temporary for components of arrays of derived types | |
786 | or substring array references. */ | |
1d6b7f39 | 787 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 788 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
789 | tmp = build_fold_indirect_ref_loc (input_location, |
790 | se.expr); | |
d4feb3d3 PT |
791 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
792 | tmp = gfc_conv_descriptor_data_get (tmp); | |
793 | } | |
794 | else | |
795 | { | |
796 | /* Return the data pointer and rank from the descriptor. */ | |
2960a368 | 797 | gfc_conv_expr_descriptor (&se, e); |
d4feb3d3 PT |
798 | tmp = gfc_conv_descriptor_data_get (se.expr); |
799 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
800 | } | |
109b0ac2 PT |
801 | } |
802 | else | |
803 | gcc_unreachable (); | |
804 | ||
805 | /* The cast is needed for character substrings and the descriptor | |
806 | data. */ | |
726a989a RB |
807 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
808 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 809 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 810 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
811 | |
812 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 813 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 814 | return mask; |
109b0ac2 PT |
815 | } |
816 | ||
6de9cd9a DN |
817 | /* Add a case to a IO-result switch. */ |
818 | ||
819 | static void | |
820 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
821 | { | |
822 | tree tmp, value; | |
823 | ||
824 | if (label == NULL) | |
825 | return; /* No label, no case */ | |
826 | ||
df09d1d5 | 827 | value = build_int_cst (integer_type_node, label_value); |
6de9cd9a DN |
828 | |
829 | /* Make a backend label for this case. */ | |
c006df4e | 830 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
831 | |
832 | /* And the case itself. */ | |
3d528853 | 833 | tmp = build_case_label (value, NULL_TREE, tmp); |
6de9cd9a DN |
834 | gfc_add_expr_to_block (body, tmp); |
835 | ||
836 | /* Jump to the label. */ | |
837 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
838 | gfc_add_expr_to_block (body, tmp); | |
839 | } | |
840 | ||
841 | ||
842 | /* Generate a switch statement that branches to the correct I/O | |
843 | result label. The last statement of an I/O call stores the | |
844 | result into a variable because there is often cleanup that | |
845 | must be done before the switch, so a temporary would have to | |
846 | be created anyway. */ | |
847 | ||
848 | static void | |
5e805e44 | 849 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
850 | gfc_st_label * end_label, gfc_st_label * eor_label) |
851 | { | |
852 | stmtblock_t body; | |
853 | tree tmp, rc; | |
5e805e44 | 854 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
855 | |
856 | /* If no labels are specified, ignore the result instead | |
857 | of building an empty switch. */ | |
858 | if (err_label == NULL | |
859 | && end_label == NULL | |
860 | && eor_label == NULL) | |
861 | return; | |
862 | ||
863 | /* Build a switch statement. */ | |
864 | gfc_start_block (&body); | |
865 | ||
866 | /* The label values here must be the same as the values | |
867 | in the library_return enum in the runtime library */ | |
868 | add_case (1, err_label, &body); | |
869 | add_case (2, end_label, &body); | |
870 | add_case (3, eor_label, &body); | |
871 | ||
872 | tmp = gfc_finish_block (&body); | |
873 | ||
65a9ca82 TB |
874 | var = fold_build3_loc (input_location, COMPONENT_REF, |
875 | st_parameter[IOPARM_ptype_common].type, | |
876 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
877 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
878 | var, p->field, NULL_TREE); | |
879 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
880 | rc, build_int_cst (TREE_TYPE (rc), | |
881 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 882 | |
0cd2402d SB |
883 | tmp = fold_build3_loc (input_location, SWITCH_EXPR, NULL_TREE, |
884 | rc, tmp, NULL_TREE); | |
6de9cd9a DN |
885 | |
886 | gfc_add_expr_to_block (block, tmp); | |
887 | } | |
888 | ||
889 | ||
890 | /* Store the current file and line number to variables so that if a | |
891 | library call goes awry, we can tell the user where the problem is. */ | |
892 | ||
893 | static void | |
5e805e44 | 894 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
895 | { |
896 | gfc_file *f; | |
5e805e44 | 897 | tree str, locus_file; |
6de9cd9a | 898 | int line; |
5e805e44 | 899 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 900 | |
65a9ca82 TB |
901 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
902 | st_parameter[IOPARM_ptype_common].type, | |
903 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
904 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
905 | TREE_TYPE (p->field), locus_file, | |
906 | p->field, NULL_TREE); | |
d4fa05b9 | 907 | f = where->lb->file; |
5e805e44 | 908 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 909 | |
5e805e44 | 910 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 911 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 912 | |
c8cc8542 | 913 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 914 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
915 | } |
916 | ||
917 | ||
918 | /* Translate an OPEN statement. */ | |
919 | ||
920 | tree | |
921 | gfc_trans_open (gfc_code * code) | |
922 | { | |
923 | stmtblock_t block, post_block; | |
924 | gfc_open *p; | |
5e805e44 JJ |
925 | tree tmp, var; |
926 | unsigned int mask = 0; | |
6de9cd9a | 927 | |
5e805e44 | 928 | gfc_start_block (&block); |
6de9cd9a DN |
929 | gfc_init_block (&post_block); |
930 | ||
5e805e44 JJ |
931 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
932 | ||
933 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
934 | p = code->ext.open; |
935 | ||
f96d606f JD |
936 | if (p->iomsg) |
937 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
938 | p->iomsg); | |
939 | ||
940 | if (p->iostat) | |
941 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
942 | p->iostat); | |
943 | ||
944 | if (p->err) | |
945 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
946 | |
947 | if (p->file) | |
5e805e44 | 948 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
949 | |
950 | if (p->status) | |
5e805e44 JJ |
951 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
952 | p->status); | |
6de9cd9a DN |
953 | |
954 | if (p->access) | |
5e805e44 JJ |
955 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
956 | p->access); | |
6de9cd9a DN |
957 | |
958 | if (p->form) | |
5e805e44 | 959 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
960 | |
961 | if (p->recl) | |
5e805e44 | 962 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, p->recl); |
6de9cd9a DN |
963 | |
964 | if (p->blank) | |
5e805e44 JJ |
965 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
966 | p->blank); | |
6de9cd9a DN |
967 | |
968 | if (p->position) | |
5e805e44 JJ |
969 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
970 | p->position); | |
6de9cd9a DN |
971 | |
972 | if (p->action) | |
5e805e44 JJ |
973 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
974 | p->action); | |
6de9cd9a DN |
975 | |
976 | if (p->delim) | |
5e805e44 JJ |
977 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
978 | p->delim); | |
6de9cd9a DN |
979 | |
980 | if (p->pad) | |
5e805e44 | 981 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 982 | |
6f0f0b2e JD |
983 | if (p->decimal) |
984 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
985 | p->decimal); | |
986 | ||
987 | if (p->encoding) | |
988 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
989 | p->encoding); | |
990 | ||
991 | if (p->round) | |
992 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
993 | ||
994 | if (p->sign) | |
995 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
996 | ||
997 | if (p->asynchronous) | |
998 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
999 | p->asynchronous); | |
1000 | ||
181c9f4a TK |
1001 | if (p->convert) |
1002 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1003 | p->convert); | |
9ad55c33 JD |
1004 | |
1005 | if (p->newunit) | |
1006 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1007 | p->newunit); | |
181c9f4a | 1008 | |
5e805e44 JJ |
1009 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1010 | ||
f96d606f JD |
1011 | if (p->unit) |
1012 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1013 | else | |
1014 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1015 | ||
628c189e | 1016 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1017 | tmp = build_call_expr_loc (input_location, |
1018 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1019 | gfc_add_expr_to_block (&block, tmp); |
1020 | ||
1021 | gfc_add_block_to_block (&block, &post_block); | |
1022 | ||
5e805e44 | 1023 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1024 | |
1025 | return gfc_finish_block (&block); | |
1026 | } | |
1027 | ||
1028 | ||
1029 | /* Translate a CLOSE statement. */ | |
1030 | ||
1031 | tree | |
1032 | gfc_trans_close (gfc_code * code) | |
1033 | { | |
1034 | stmtblock_t block, post_block; | |
1035 | gfc_close *p; | |
5e805e44 JJ |
1036 | tree tmp, var; |
1037 | unsigned int mask = 0; | |
6de9cd9a | 1038 | |
5e805e44 | 1039 | gfc_start_block (&block); |
6de9cd9a DN |
1040 | gfc_init_block (&post_block); |
1041 | ||
5e805e44 JJ |
1042 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1043 | ||
1044 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1045 | p = code->ext.close; |
1046 | ||
7aba8abe | 1047 | if (p->iomsg) |
5e805e44 JJ |
1048 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1049 | p->iomsg); | |
7aba8abe | 1050 | |
6de9cd9a | 1051 | if (p->iostat) |
5e805e44 JJ |
1052 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1053 | p->iostat); | |
6de9cd9a DN |
1054 | |
1055 | if (p->err) | |
5e805e44 JJ |
1056 | mask |= IOPARM_common_err; |
1057 | ||
f96d606f JD |
1058 | if (p->status) |
1059 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1060 | p->status); | |
1061 | ||
5e805e44 | 1062 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1063 | |
f96d606f JD |
1064 | if (p->unit) |
1065 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1066 | else | |
1067 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1068 | ||
628c189e | 1069 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1070 | tmp = build_call_expr_loc (input_location, |
1071 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1072 | gfc_add_expr_to_block (&block, tmp); |
1073 | ||
1074 | gfc_add_block_to_block (&block, &post_block); | |
1075 | ||
5e805e44 | 1076 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1077 | |
1078 | return gfc_finish_block (&block); | |
1079 | } | |
1080 | ||
1081 | ||
1082 | /* Common subroutine for building a file positioning statement. */ | |
1083 | ||
1084 | static tree | |
1085 | build_filepos (tree function, gfc_code * code) | |
1086 | { | |
7aba8abe | 1087 | stmtblock_t block, post_block; |
6de9cd9a | 1088 | gfc_filepos *p; |
5e805e44 JJ |
1089 | tree tmp, var; |
1090 | unsigned int mask = 0; | |
6de9cd9a DN |
1091 | |
1092 | p = code->ext.filepos; | |
1093 | ||
5e805e44 | 1094 | gfc_start_block (&block); |
7aba8abe | 1095 | gfc_init_block (&post_block); |
6de9cd9a | 1096 | |
5e805e44 JJ |
1097 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1098 | "filepos_parm"); | |
1099 | ||
1100 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1101 | |
7aba8abe | 1102 | if (p->iomsg) |
5e805e44 JJ |
1103 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1104 | p->iomsg); | |
7aba8abe | 1105 | |
6de9cd9a | 1106 | if (p->iostat) |
5e805e44 JJ |
1107 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1108 | p->iostat); | |
6de9cd9a DN |
1109 | |
1110 | if (p->err) | |
5e805e44 JJ |
1111 | mask |= IOPARM_common_err; |
1112 | ||
1113 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1114 | |
f96d606f JD |
1115 | if (p->unit) |
1116 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1117 | else | |
1118 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1119 | ||
628c189e | 1120 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1121 | tmp = build_call_expr_loc (input_location, |
1122 | function, 1, tmp); | |
6de9cd9a DN |
1123 | gfc_add_expr_to_block (&block, tmp); |
1124 | ||
7aba8abe TK |
1125 | gfc_add_block_to_block (&block, &post_block); |
1126 | ||
5e805e44 | 1127 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1128 | |
1129 | return gfc_finish_block (&block); | |
1130 | } | |
1131 | ||
1132 | ||
1133 | /* Translate a BACKSPACE statement. */ | |
1134 | ||
1135 | tree | |
1136 | gfc_trans_backspace (gfc_code * code) | |
1137 | { | |
5e805e44 | 1138 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1139 | } |
1140 | ||
1141 | ||
1142 | /* Translate an ENDFILE statement. */ | |
1143 | ||
1144 | tree | |
1145 | gfc_trans_endfile (gfc_code * code) | |
1146 | { | |
5e805e44 | 1147 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1148 | } |
1149 | ||
1150 | ||
1151 | /* Translate a REWIND statement. */ | |
1152 | ||
1153 | tree | |
1154 | gfc_trans_rewind (gfc_code * code) | |
1155 | { | |
5e805e44 | 1156 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1157 | } |
1158 | ||
1159 | ||
6403ec5f JB |
1160 | /* Translate a FLUSH statement. */ |
1161 | ||
1162 | tree | |
1163 | gfc_trans_flush (gfc_code * code) | |
1164 | { | |
5e805e44 | 1165 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1166 | } |
1167 | ||
1168 | ||
c16dd6a8 JD |
1169 | /* Create a dummy iostat variable to catch any error due to bad unit. */ |
1170 | ||
1171 | static gfc_expr * | |
1172 | create_dummy_iostat (void) | |
1173 | { | |
1174 | gfc_symtree *st; | |
1175 | gfc_expr *e; | |
1176 | ||
1177 | gfc_get_ha_sym_tree ("@iostat", &st); | |
1178 | st->n.sym->ts.type = BT_INTEGER; | |
1179 | st->n.sym->ts.kind = gfc_default_integer_kind; | |
1180 | gfc_set_sym_referenced (st->n.sym); | |
bc9d9552 | 1181 | gfc_commit_symbol (st->n.sym); |
c16dd6a8 JD |
1182 | st->n.sym->backend_decl |
1183 | = gfc_create_var (gfc_get_int_type (st->n.sym->ts.kind), | |
1184 | st->n.sym->name); | |
1185 | ||
1186 | e = gfc_get_expr (); | |
1187 | e->expr_type = EXPR_VARIABLE; | |
1188 | e->symtree = st; | |
1189 | e->ts.type = BT_INTEGER; | |
1190 | e->ts.kind = st->n.sym->ts.kind; | |
1191 | ||
1192 | return e; | |
1193 | } | |
1194 | ||
1195 | ||
6de9cd9a DN |
1196 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1197 | ||
1198 | tree | |
1199 | gfc_trans_inquire (gfc_code * code) | |
1200 | { | |
1201 | stmtblock_t block, post_block; | |
1202 | gfc_inquire *p; | |
5e805e44 | 1203 | tree tmp, var; |
6f0f0b2e | 1204 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1205 | |
5e805e44 | 1206 | gfc_start_block (&block); |
6de9cd9a DN |
1207 | gfc_init_block (&post_block); |
1208 | ||
5e805e44 JJ |
1209 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1210 | "inquire_parm"); | |
1211 | ||
1212 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1213 | p = code->ext.inquire; |
1214 | ||
7aba8abe | 1215 | if (p->iomsg) |
5e805e44 JJ |
1216 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1217 | p->iomsg); | |
7aba8abe | 1218 | |
6de9cd9a | 1219 | if (p->iostat) |
5e805e44 JJ |
1220 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1221 | p->iostat); | |
6de9cd9a | 1222 | |
f96d606f JD |
1223 | if (p->err) |
1224 | mask |= IOPARM_common_err; | |
1225 | ||
1226 | /* Sanity check. */ | |
1227 | if (p->unit && p->file) | |
1228 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1229 | ||
1230 | if (p->file) | |
1231 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1232 | p->file); | |
1233 | ||
6de9cd9a | 1234 | if (p->exist) |
c16dd6a8 JD |
1235 | { |
1236 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, | |
1237 | p->exist); | |
1238 | ||
1239 | if (p->unit && !p->iostat) | |
1240 | { | |
1241 | p->iostat = create_dummy_iostat (); | |
1242 | mask |= set_parameter_ref (&block, &post_block, var, | |
1243 | IOPARM_common_iostat, p->iostat); | |
1244 | } | |
1245 | } | |
6de9cd9a DN |
1246 | |
1247 | if (p->opened) | |
5e805e44 JJ |
1248 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1249 | p->opened); | |
6de9cd9a DN |
1250 | |
1251 | if (p->number) | |
5e805e44 JJ |
1252 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1253 | p->number); | |
6de9cd9a DN |
1254 | |
1255 | if (p->named) | |
5e805e44 JJ |
1256 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1257 | p->named); | |
6de9cd9a DN |
1258 | |
1259 | if (p->name) | |
5e805e44 JJ |
1260 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1261 | p->name); | |
6de9cd9a DN |
1262 | |
1263 | if (p->access) | |
5e805e44 JJ |
1264 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1265 | p->access); | |
6de9cd9a DN |
1266 | |
1267 | if (p->sequential) | |
5e805e44 JJ |
1268 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1269 | p->sequential); | |
6de9cd9a DN |
1270 | |
1271 | if (p->direct) | |
5e805e44 JJ |
1272 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1273 | p->direct); | |
6de9cd9a DN |
1274 | |
1275 | if (p->form) | |
5e805e44 JJ |
1276 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1277 | p->form); | |
6de9cd9a DN |
1278 | |
1279 | if (p->formatted) | |
5e805e44 JJ |
1280 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1281 | p->formatted); | |
6de9cd9a DN |
1282 | |
1283 | if (p->unformatted) | |
5e805e44 JJ |
1284 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1285 | p->unformatted); | |
6de9cd9a DN |
1286 | |
1287 | if (p->recl) | |
5e805e44 JJ |
1288 | mask |= set_parameter_ref (&block, &post_block, var, |
1289 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1290 | |
1291 | if (p->nextrec) | |
5e805e44 JJ |
1292 | mask |= set_parameter_ref (&block, &post_block, var, |
1293 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1294 | |
1295 | if (p->blank) | |
5e805e44 JJ |
1296 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1297 | p->blank); | |
6de9cd9a | 1298 | |
d06b3496 JD |
1299 | if (p->delim) |
1300 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1301 | p->delim); | |
1302 | ||
6de9cd9a | 1303 | if (p->position) |
5e805e44 JJ |
1304 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1305 | p->position); | |
6de9cd9a DN |
1306 | |
1307 | if (p->action) | |
5e805e44 JJ |
1308 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1309 | p->action); | |
6de9cd9a DN |
1310 | |
1311 | if (p->read) | |
5e805e44 JJ |
1312 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1313 | p->read); | |
6de9cd9a DN |
1314 | |
1315 | if (p->write) | |
5e805e44 JJ |
1316 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1317 | p->write); | |
6de9cd9a DN |
1318 | |
1319 | if (p->readwrite) | |
5e805e44 JJ |
1320 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1321 | p->readwrite); | |
6de9cd9a | 1322 | |
dae24534 | 1323 | if (p->pad) |
5e805e44 JJ |
1324 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1325 | p->pad); | |
d06b3496 | 1326 | |
181c9f4a TK |
1327 | if (p->convert) |
1328 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1329 | p->convert); | |
1330 | ||
014ec6ee JD |
1331 | if (p->strm_pos) |
1332 | mask |= set_parameter_ref (&block, &post_block, var, | |
1333 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1334 | ||
6f0f0b2e JD |
1335 | /* The second series of flags. */ |
1336 | if (p->asynchronous) | |
1337 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1338 | p->asynchronous); | |
1339 | ||
1340 | if (p->decimal) | |
1341 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1342 | p->decimal); | |
1343 | ||
1344 | if (p->encoding) | |
1345 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1346 | p->encoding); | |
1347 | ||
1348 | if (p->round) | |
1349 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1350 | p->round); | |
1351 | ||
1352 | if (p->sign) | |
1353 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1354 | p->sign); | |
1355 | ||
1356 | if (p->pending) | |
1357 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1358 | IOPARM_inquire_pending, p->pending); | |
1359 | ||
1360 | if (p->size) | |
1361 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1362 | p->size); | |
1363 | ||
1364 | if (p->id) | |
d06b3496 JD |
1365 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1366 | p->id); | |
6f0f0b2e | 1367 | |
6f0f0b2e | 1368 | if (mask2) |
e1456843 | 1369 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1370 | |
5e805e44 | 1371 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1372 | |
f96d606f JD |
1373 | if (p->unit) |
1374 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1375 | else | |
1376 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1377 | ||
628c189e | 1378 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1379 | tmp = build_call_expr_loc (input_location, |
1380 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1381 | gfc_add_expr_to_block (&block, tmp); |
1382 | ||
1383 | gfc_add_block_to_block (&block, &post_block); | |
1384 | ||
5e805e44 | 1385 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1386 | |
1387 | return gfc_finish_block (&block); | |
1388 | } | |
1389 | ||
6f0f0b2e JD |
1390 | |
1391 | tree | |
1392 | gfc_trans_wait (gfc_code * code) | |
1393 | { | |
1394 | stmtblock_t block, post_block; | |
1395 | gfc_wait *p; | |
1396 | tree tmp, var; | |
1397 | unsigned int mask = 0; | |
1398 | ||
1399 | gfc_start_block (&block); | |
1400 | gfc_init_block (&post_block); | |
1401 | ||
1402 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1403 | "wait_parm"); | |
1404 | ||
1405 | set_error_locus (&block, var, &code->loc); | |
1406 | p = code->ext.wait; | |
1407 | ||
1408 | /* Set parameters here. */ | |
1409 | if (p->iomsg) | |
1410 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1411 | p->iomsg); | |
1412 | ||
1413 | if (p->iostat) | |
1414 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1415 | p->iostat); | |
1416 | ||
1417 | if (p->err) | |
1418 | mask |= IOPARM_common_err; | |
1419 | ||
1420 | if (p->id) | |
1421 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); | |
1422 | ||
1423 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1424 | ||
1425 | if (p->unit) | |
1426 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1427 | ||
628c189e | 1428 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1429 | tmp = build_call_expr_loc (input_location, |
1430 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1431 | gfc_add_expr_to_block (&block, tmp); |
1432 | ||
1433 | gfc_add_block_to_block (&block, &post_block); | |
1434 | ||
1435 | io_result (&block, var, p->err, NULL, NULL); | |
1436 | ||
1437 | return gfc_finish_block (&block); | |
1438 | ||
1439 | } | |
1440 | ||
6de9cd9a | 1441 | |
29dc5138 | 1442 | /* nml_full_name builds up the fully qualified name of a |
66e4ab31 | 1443 | derived type component. */ |
29dc5138 PT |
1444 | |
1445 | static char* | |
1446 | nml_full_name (const char* var_name, const char* cmp_name) | |
6de9cd9a | 1447 | { |
29dc5138 PT |
1448 | int full_name_length; |
1449 | char * full_name; | |
1450 | ||
1451 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
93acb62c | 1452 | full_name = XCNEWVEC (char, full_name_length + 1); |
29dc5138 PT |
1453 | strcpy (full_name, var_name); |
1454 | full_name = strcat (full_name, "%"); | |
1455 | full_name = strcat (full_name, cmp_name); | |
1456 | return full_name; | |
6de9cd9a DN |
1457 | } |
1458 | ||
19d36107 | 1459 | |
29dc5138 PT |
1460 | /* nml_get_addr_expr builds an address expression from the |
1461 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1462 | provided so that the address of an element of an array of | |
1463 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1464 | determine that span of the derived type. */ |
29dc5138 PT |
1465 | |
1466 | static tree | |
1467 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1468 | tree base_addr) | |
1469 | { | |
1470 | tree decl = NULL_TREE; | |
1471 | tree tmp; | |
29dc5138 PT |
1472 | |
1473 | if (sym) | |
1474 | { | |
1475 | sym->attr.referenced = 1; | |
1476 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1477 | |
1478 | /* If this is the enclosing function declaration, use | |
1479 | the fake result instead. */ | |
1480 | if (decl == current_function_decl) | |
1481 | decl = gfc_get_fake_result_decl (sym, 0); | |
1482 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1483 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1484 | } |
1485 | else | |
1486 | decl = c->backend_decl; | |
1487 | ||
1488 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1489 | || TREE_CODE (decl) == VAR_DECL | |
1490 | || TREE_CODE (decl) == PARM_DECL) | |
1491 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1492 | ||
1493 | tmp = decl; | |
1494 | ||
1495 | /* Build indirect reference, if dummy argument. */ | |
1496 | ||
19d36107 TB |
1497 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1498 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
29dc5138 PT |
1499 | |
1500 | /* Treat the component of a derived type, using base_addr for | |
1501 | the derived type. */ | |
1502 | ||
1503 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1504 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1505 | base_addr, tmp, NULL_TREE); | |
29dc5138 | 1506 | |
19d36107 TB |
1507 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1508 | tmp = gfc_conv_array_data (tmp); | |
1509 | else | |
1510 | { | |
1511 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1512 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
29dc5138 | 1513 | |
19d36107 TB |
1514 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1515 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
29dc5138 | 1516 | |
19d36107 TB |
1517 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1518 | tmp = build_fold_indirect_ref_loc (input_location, | |
db3927fb | 1519 | tmp); |
19d36107 | 1520 | } |
29dc5138 PT |
1521 | |
1522 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1523 | ||
1524 | return tmp; | |
1525 | } | |
3bc268e6 | 1526 | |
19d36107 | 1527 | |
29dc5138 | 1528 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1529 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1530 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1531 | |
29dc5138 | 1532 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1533 | |
1534 | static void | |
29dc5138 PT |
1535 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1536 | gfc_symbol * sym, gfc_component * c, | |
1537 | tree base_addr) | |
3bc268e6 | 1538 | { |
29dc5138 PT |
1539 | gfc_typespec * ts = NULL; |
1540 | gfc_array_spec * as = NULL; | |
1541 | tree addr_expr = NULL; | |
1542 | tree dt = NULL; | |
1543 | tree string; | |
1544 | tree tmp; | |
29dc5138 | 1545 | tree dtype; |
5e805e44 | 1546 | tree dt_parm_addr; |
19d36107 | 1547 | tree decl = NULL_TREE; |
29dc5138 PT |
1548 | int n_dim; |
1549 | int itype; | |
1550 | int rank = 0; | |
3bc268e6 | 1551 | |
29dc5138 | 1552 | gcc_assert (sym || c); |
3bc268e6 | 1553 | |
29dc5138 PT |
1554 | /* Build the namelist object name. */ |
1555 | ||
1556 | string = gfc_build_cstring_const (var_name); | |
1557 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1558 | ||
1559 | /* Build ts, as and data address using symbol or component. */ | |
1560 | ||
1561 | ts = (sym) ? &sym->ts : &c->ts; | |
1562 | as = (sym) ? sym->as : c->as; | |
1563 | ||
1564 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1565 | ||
1566 | if (as) | |
1567 | rank = as->rank; | |
1568 | ||
1569 | if (rank) | |
3bc268e6 | 1570 | { |
19d36107 TB |
1571 | decl = (sym) ? sym->backend_decl : c->backend_decl; |
1572 | if (sym && sym->attr.dummy) | |
1573 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
1574 | dt = TREE_TYPE (decl); | |
29dc5138 | 1575 | dtype = gfc_get_dtype (dt); |
3bc268e6 | 1576 | } |
29dc5138 PT |
1577 | else |
1578 | { | |
a11930ba | 1579 | itype = ts->type; |
29dc5138 | 1580 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1581 | } |
1582 | ||
29dc5138 PT |
1583 | /* Build up the arguments for the transfer call. |
1584 | The call for the scalar part transfers: | |
1585 | (address, name, type, kind or string_length, dtype) */ | |
1586 | ||
628c189e | 1587 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 PT |
1588 | |
1589 | if (ts->type == BT_CHARACTER) | |
bc21d315 | 1590 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1591 | else |
5039610b | 1592 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
db3927fb AH |
1593 | tmp = build_call_expr_loc (input_location, |
1594 | iocall[IOCALL_SET_NML_VAL], 6, | |
5039610b SL |
1595 | dt_parm_addr, addr_expr, string, |
1596 | IARG (ts->kind), tmp, dtype); | |
3bc268e6 | 1597 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1598 | |
1599 | /* If the object is an array, transfer rank times: | |
1600 | (null pointer, name, stride, lbound, ubound) */ | |
1601 | ||
1602 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1603 | { | |
db3927fb AH |
1604 | tmp = build_call_expr_loc (input_location, |
1605 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b SL |
1606 | dt_parm_addr, |
1607 | IARG (n_dim), | |
19d36107 TB |
1608 | gfc_conv_array_stride (decl, n_dim), |
1609 | gfc_conv_array_lbound (decl, n_dim), | |
1610 | gfc_conv_array_ubound (decl, n_dim)); | |
29dc5138 PT |
1611 | gfc_add_expr_to_block (block, tmp); |
1612 | } | |
1613 | ||
fc2655fb | 1614 | if (ts->type == BT_DERIVED && ts->u.derived->components) |
29dc5138 PT |
1615 | { |
1616 | gfc_component *cmp; | |
1617 | ||
1618 | /* Provide the RECORD_TYPE to build component references. */ | |
1619 | ||
db3927fb AH |
1620 | tree expr = build_fold_indirect_ref_loc (input_location, |
1621 | addr_expr); | |
29dc5138 | 1622 | |
bc21d315 | 1623 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 PT |
1624 | { |
1625 | char *full_name = nml_full_name (var_name, cmp->name); | |
1626 | transfer_namelist_element (block, | |
1627 | full_name, | |
1628 | NULL, cmp, expr); | |
cede9502 | 1629 | free (full_name); |
29dc5138 PT |
1630 | } |
1631 | } | |
3bc268e6 | 1632 | } |
6de9cd9a | 1633 | |
29dc5138 | 1634 | #undef IARG |
29dc5138 | 1635 | |
6de9cd9a DN |
1636 | /* Create a data transfer statement. Not all of the fields are valid |
1637 | for both reading and writing, but improper use has been filtered | |
1638 | out by now. */ | |
1639 | ||
1640 | static tree | |
5e805e44 | 1641 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1642 | { |
d4feb3d3 | 1643 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1644 | gfc_dt *dt; |
5e805e44 | 1645 | tree tmp, var; |
29dc5138 | 1646 | gfc_expr *nmlname; |
3bc268e6 | 1647 | gfc_namelist *nml; |
5e1bdeb7 | 1648 | unsigned int mask = 0; |
6de9cd9a | 1649 | |
5e805e44 | 1650 | gfc_start_block (&block); |
6de9cd9a | 1651 | gfc_init_block (&post_block); |
5e805e44 | 1652 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1653 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1654 | |
1655 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1656 | ||
1657 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1658 | |
5e805e44 JJ |
1659 | if (last_dt == IOLENGTH) |
1660 | { | |
1661 | gfc_inquire *inq; | |
1662 | ||
1663 | inq = code->ext.inquire; | |
6de9cd9a | 1664 | |
5e805e44 JJ |
1665 | /* First check that preconditions are met. */ |
1666 | gcc_assert (inq != NULL); | |
1667 | gcc_assert (inq->iolength != NULL); | |
1668 | ||
1669 | /* Connect to the iolength variable. */ | |
1670 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1671 | IOPARM_dt_iolength, inq->iolength); | |
1672 | dt = NULL; | |
1673 | } | |
1674 | else | |
1675 | { | |
1676 | dt = code->ext.dt; | |
1677 | gcc_assert (dt != NULL); | |
1678 | } | |
8750f9cd | 1679 | |
5e805e44 | 1680 | if (dt && dt->io_unit) |
6de9cd9a DN |
1681 | { |
1682 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1683 | { | |
d4feb3d3 PT |
1684 | mask |= set_internal_unit (&block, &post_iu_block, |
1685 | var, dt->io_unit); | |
c8dce2cf JD |
1686 | set_parameter_const (&block, var, IOPARM_common_unit, |
1687 | dt->io_unit->ts.kind == 1 ? 0 : -1); | |
6de9cd9a | 1688 | } |
6de9cd9a | 1689 | } |
5e805e44 JJ |
1690 | else |
1691 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1692 | |
5e805e44 JJ |
1693 | if (dt) |
1694 | { | |
f96d606f JD |
1695 | if (dt->iomsg) |
1696 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1697 | dt->iomsg); | |
1698 | ||
1699 | if (dt->iostat) | |
1700 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1701 | IOPARM_common_iostat, dt->iostat); | |
1702 | ||
1703 | if (dt->err) | |
1704 | mask |= IOPARM_common_err; | |
1705 | ||
1706 | if (dt->eor) | |
1707 | mask |= IOPARM_common_eor; | |
1708 | ||
1709 | if (dt->end) | |
1710 | mask |= IOPARM_common_end; | |
1711 | ||
6f0f0b2e JD |
1712 | if (dt->id) |
1713 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1714 | IOPARM_dt_id, dt->id); | |
1715 | ||
1716 | if (dt->pos) | |
1717 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); | |
1718 | ||
1719 | if (dt->asynchronous) | |
1720 | mask |= set_string (&block, &post_block, var, IOPARM_dt_asynchronous, | |
1721 | dt->asynchronous); | |
1722 | ||
1723 | if (dt->blank) | |
1724 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1725 | dt->blank); | |
1726 | ||
1727 | if (dt->decimal) | |
1728 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1729 | dt->decimal); | |
1730 | ||
1731 | if (dt->delim) | |
1732 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1733 | dt->delim); | |
1734 | ||
1735 | if (dt->pad) | |
1736 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1737 | dt->pad); | |
1738 | ||
1739 | if (dt->round) | |
1740 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1741 | dt->round); | |
1742 | ||
1743 | if (dt->sign) | |
1744 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1745 | dt->sign); | |
1746 | ||
5e805e44 JJ |
1747 | if (dt->rec) |
1748 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); | |
6de9cd9a | 1749 | |
5e805e44 JJ |
1750 | if (dt->advance) |
1751 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1752 | dt->advance); | |
6de9cd9a | 1753 | |
5e805e44 | 1754 | if (dt->format_expr) |
9341698a | 1755 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1756 | dt->format_expr); |
6de9cd9a | 1757 | |
5e805e44 JJ |
1758 | if (dt->format_label) |
1759 | { | |
1760 | if (dt->format_label == &format_asterisk) | |
1761 | mask |= IOPARM_dt_list_format; | |
1762 | else | |
1763 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1764 | dt->format_label->format); | |
1765 | } | |
6de9cd9a | 1766 | |
5e805e44 JJ |
1767 | if (dt->size) |
1768 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1769 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1770 | |
5e805e44 JJ |
1771 | if (dt->namelist) |
1772 | { | |
1773 | if (dt->format_expr || dt->format_label) | |
1774 | gfc_internal_error ("build_dt: format with namelist"); | |
1775 | ||
b7e75771 JD |
1776 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1777 | dt->namelist->name, | |
1778 | strlen (dt->namelist->name)); | |
29dc5138 | 1779 | |
5e805e44 JJ |
1780 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1781 | nmlname); | |
29dc5138 | 1782 | |
5e805e44 JJ |
1783 | if (last_dt == READ) |
1784 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1785 | |
5e805e44 | 1786 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1787 | |
5e805e44 JJ |
1788 | dt_parm = var; |
1789 | ||
1790 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1791 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1792 | NULL, NULL_TREE); |
5e805e44 JJ |
1793 | } |
1794 | else | |
1795 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1796 | |
1797 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
1798 | set_parameter_value (&block, var, IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1799 | } |
5e805e44 JJ |
1800 | else |
1801 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1802 | |
628c189e | 1803 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 1804 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 1805 | function, 1, tmp); |
6de9cd9a DN |
1806 | gfc_add_expr_to_block (&block, tmp); |
1807 | ||
1808 | gfc_add_block_to_block (&block, &post_block); | |
1809 | ||
5e805e44 JJ |
1810 | dt_parm = var; |
1811 | dt_post_end_block = &post_end_block; | |
1812 | ||
bc51e726 JD |
1813 | /* Set implied do loop exit condition. */ |
1814 | if (last_dt == READ || last_dt == WRITE) | |
1815 | { | |
1816 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1817 | ||
65a9ca82 TB |
1818 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1819 | st_parameter[IOPARM_ptype_common].type, | |
1820 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1821 | NULL_TREE); | |
1822 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1823 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1824 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1825 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1826 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
1827 | } |
1828 | else /* IOLENGTH */ | |
1829 | tmp = NULL_TREE; | |
1830 | ||
1831 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 1832 | |
d4feb3d3 PT |
1833 | gfc_add_block_to_block (&block, &post_iu_block); |
1834 | ||
5e805e44 JJ |
1835 | dt_parm = NULL; |
1836 | dt_post_end_block = NULL; | |
1837 | ||
6de9cd9a DN |
1838 | return gfc_finish_block (&block); |
1839 | } | |
1840 | ||
1841 | ||
8750f9cd JB |
1842 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1843 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1844 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1845 | |
1846 | tree | |
1847 | gfc_trans_iolength (gfc_code * code) | |
1848 | { | |
8750f9cd | 1849 | last_dt = IOLENGTH; |
5e805e44 | 1850 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1851 | } |
1852 | ||
1853 | ||
6de9cd9a DN |
1854 | /* Translate a READ statement. */ |
1855 | ||
1856 | tree | |
1857 | gfc_trans_read (gfc_code * code) | |
1858 | { | |
6de9cd9a | 1859 | last_dt = READ; |
5e805e44 | 1860 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1861 | } |
1862 | ||
1863 | ||
1864 | /* Translate a WRITE statement */ | |
1865 | ||
1866 | tree | |
1867 | gfc_trans_write (gfc_code * code) | |
1868 | { | |
6de9cd9a | 1869 | last_dt = WRITE; |
5e805e44 | 1870 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1871 | } |
1872 | ||
1873 | ||
1874 | /* Finish a data transfer statement. */ | |
1875 | ||
1876 | tree | |
1877 | gfc_trans_dt_end (gfc_code * code) | |
1878 | { | |
1879 | tree function, tmp; | |
1880 | stmtblock_t block; | |
1881 | ||
1882 | gfc_init_block (&block); | |
1883 | ||
8750f9cd JB |
1884 | switch (last_dt) |
1885 | { | |
1886 | case READ: | |
5e805e44 | 1887 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1888 | break; |
1889 | ||
1890 | case WRITE: | |
5e805e44 | 1891 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1892 | break; |
1893 | ||
1894 | case IOLENGTH: | |
5e805e44 | 1895 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1896 | break; |
1897 | ||
1898 | default: | |
6e45f57b | 1899 | gcc_unreachable (); |
8750f9cd | 1900 | } |
6de9cd9a | 1901 | |
628c189e | 1902 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
1903 | tmp = build_call_expr_loc (input_location, |
1904 | function, 1, tmp); | |
6de9cd9a | 1905 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1906 | gfc_add_block_to_block (&block, dt_post_end_block); |
1907 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1908 | |
8750f9cd JB |
1909 | if (last_dt != IOLENGTH) |
1910 | { | |
6e45f57b | 1911 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1912 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1913 | code->ext.dt->end, code->ext.dt->eor); |
1914 | } | |
6de9cd9a DN |
1915 | |
1916 | return gfc_finish_block (&block); | |
1917 | } | |
1918 | ||
d2ccf6aa | 1919 | static void |
aa5e22f0 | 1920 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1921 | |
1922 | /* Given an array field in a derived type variable, generate the code | |
1923 | for the loop that iterates over array elements, and the code that | |
1924 | accesses those array elements. Use transfer_expr to generate code | |
1925 | for transferring that element. Because elements may also be | |
1926 | derived types, transfer_expr and transfer_array_component are mutually | |
1927 | recursive. */ | |
1928 | ||
1929 | static tree | |
bdfd2ff0 | 1930 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
1931 | { |
1932 | tree tmp; | |
1933 | stmtblock_t body; | |
1934 | stmtblock_t block; | |
1935 | gfc_loopinfo loop; | |
1936 | int n; | |
1937 | gfc_ss *ss; | |
1938 | gfc_se se; | |
08dcec61 | 1939 | gfc_array_info *ss_array; |
d2ccf6aa VL |
1940 | |
1941 | gfc_start_block (&block); | |
1942 | gfc_init_se (&se, NULL); | |
1943 | ||
1944 | /* Create and initialize Scalarization Status. Unlike in | |
1945 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1946 | care of this task, because we don't have a gfc_expr at hand. | |
1947 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1948 | ||
66877276 MM |
1949 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
1950 | GFC_SS_COMPONENT); | |
1838afec | 1951 | ss_array = &ss->info->data.array; |
08dcec61 MM |
1952 | ss_array->shape = gfc_get_shape (cm->as->rank); |
1953 | ss_array->descriptor = expr; | |
1954 | ss_array->data = gfc_conv_array_data (expr); | |
1955 | ss_array->offset = gfc_conv_array_offset (expr); | |
d2ccf6aa VL |
1956 | for (n = 0; n < cm->as->rank; n++) |
1957 | { | |
08dcec61 MM |
1958 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
1959 | ss_array->stride[n] = gfc_index_one_node; | |
d2ccf6aa | 1960 | |
08dcec61 MM |
1961 | mpz_init (ss_array->shape[n]); |
1962 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
d2ccf6aa | 1963 | cm->as->lower[n]->value.integer); |
08dcec61 | 1964 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
d2ccf6aa VL |
1965 | } |
1966 | ||
f7b529fa | 1967 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1968 | |
1969 | gfc_init_loopinfo (&loop); | |
1970 | gfc_add_ss_to_loop (&loop, ss); | |
1971 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 1972 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
1973 | gfc_mark_ss_chain_used (ss, 1); |
1974 | gfc_start_scalarized_body (&loop, &body); | |
1975 | ||
1976 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1977 | se.ss = ss; | |
1978 | ||
1979 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
1980 | se.expr = expr; | |
1981 | gfc_conv_tmp_array_ref (&se); | |
1982 | ||
1983 | /* Now se.expr contains an element of the array. Take the address and pass | |
1984 | it to the IO routines. */ | |
628c189e | 1985 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
aa5e22f0 | 1986 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
1987 | |
1988 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 1989 | return. */ |
d2ccf6aa VL |
1990 | |
1991 | gfc_add_block_to_block (&body, &se.pre); | |
1992 | gfc_add_block_to_block (&body, &se.post); | |
1993 | ||
1994 | gfc_trans_scalarizing_loops (&loop, &body); | |
1995 | ||
1996 | gfc_add_block_to_block (&block, &loop.pre); | |
1997 | gfc_add_block_to_block (&block, &loop.post); | |
1998 | ||
08dcec61 MM |
1999 | gcc_assert (ss_array->shape != NULL); |
2000 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
96654664 PB |
2001 | gfc_cleanup_loop (&loop); |
2002 | ||
d2ccf6aa VL |
2003 | return gfc_finish_block (&block); |
2004 | } | |
6de9cd9a DN |
2005 | |
2006 | /* Generate the call for a scalar transfer node. */ | |
2007 | ||
2008 | static void | |
aa5e22f0 | 2009 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 2010 | { |
8a221914 | 2011 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2012 | gfc_component *c; |
2013 | int kind; | |
2014 | ||
a8b3b0b6 CR |
2015 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2016 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2017 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2018 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2019 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2020 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2021 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2022 | && ts->u.derived != NULL | |
2023 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2024 | { |
aa5e22f0 CR |
2025 | /* C_PTR and C_FUNPTR have private components which means they can not |
2026 | be printed. However, if -std=gnu and not -pedantic, allow | |
2027 | the component to be printed to help debugging. */ | |
2028 | if (gfc_notification_std (GFC_STD_GNU) != SILENT) | |
2029 | { | |
2030 | gfc_error_now ("Derived type '%s' at %L has PRIVATE components", | |
bc21d315 | 2031 | ts->u.derived->name, code != NULL ? &(code->loc) : |
aa5e22f0 CR |
2032 | &gfc_current_locus); |
2033 | return; | |
2034 | } | |
2035 | ||
bc21d315 JW |
2036 | ts->type = ts->u.derived->ts.type; |
2037 | ts->kind = ts->u.derived->ts.kind; | |
2038 | ts->f90_type = ts->u.derived->ts.f90_type; | |
a8b3b0b6 CR |
2039 | } |
2040 | ||
6de9cd9a DN |
2041 | kind = ts->kind; |
2042 | function = NULL; | |
2043 | arg2 = NULL; | |
8a221914 | 2044 | arg3 = NULL; |
6de9cd9a DN |
2045 | |
2046 | switch (ts->type) | |
2047 | { | |
2048 | case BT_INTEGER: | |
df09d1d5 | 2049 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2050 | if (last_dt == READ) |
2051 | function = iocall[IOCALL_X_INTEGER]; | |
2052 | else | |
2053 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2054 | ||
6de9cd9a DN |
2055 | break; |
2056 | ||
2057 | case BT_REAL: | |
df09d1d5 | 2058 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2059 | if (last_dt == READ) |
1ec601bf FXC |
2060 | { |
2061 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2062 | function = iocall[IOCALL_X_REAL128]; | |
2063 | else | |
2064 | function = iocall[IOCALL_X_REAL]; | |
2065 | } | |
6eb6875d | 2066 | else |
1ec601bf FXC |
2067 | { |
2068 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2069 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2070 | else | |
2071 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2072 | } | |
6eb6875d | 2073 | |
6de9cd9a DN |
2074 | break; |
2075 | ||
2076 | case BT_COMPLEX: | |
df09d1d5 | 2077 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2078 | if (last_dt == READ) |
1ec601bf FXC |
2079 | { |
2080 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2081 | function = iocall[IOCALL_X_COMPLEX128]; | |
2082 | else | |
2083 | function = iocall[IOCALL_X_COMPLEX]; | |
2084 | } | |
6eb6875d | 2085 | else |
1ec601bf FXC |
2086 | { |
2087 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2088 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2089 | else | |
2090 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2091 | } | |
6eb6875d | 2092 | |
6de9cd9a DN |
2093 | break; |
2094 | ||
2095 | case BT_LOGICAL: | |
df09d1d5 | 2096 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2097 | if (last_dt == READ) |
2098 | function = iocall[IOCALL_X_LOGICAL]; | |
2099 | else | |
2100 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2101 | ||
6de9cd9a DN |
2102 | break; |
2103 | ||
2104 | case BT_CHARACTER: | |
8a221914 JD |
2105 | if (kind == 4) |
2106 | { | |
2107 | if (se->string_length) | |
2108 | arg2 = se->string_length; | |
2109 | else | |
2110 | { | |
db3927fb AH |
2111 | tmp = build_fold_indirect_ref_loc (input_location, |
2112 | addr_expr); | |
8a221914 JD |
2113 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2114 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2115 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2116 | } | |
df09d1d5 | 2117 | arg3 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2118 | if (last_dt == READ) |
2119 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2120 | else | |
2121 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
2122 | ||
628c189e | 2123 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2124 | tmp = build_call_expr_loc (input_location, |
2125 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2126 | gfc_add_expr_to_block (&se->pre, tmp); |
2127 | gfc_add_block_to_block (&se->pre, &se->post); | |
2128 | return; | |
2129 | } | |
2130 | /* Fall through. */ | |
7b95e2a8 | 2131 | case BT_HOLLERITH: |
d2ccf6aa VL |
2132 | if (se->string_length) |
2133 | arg2 = se->string_length; | |
2134 | else | |
2135 | { | |
db3927fb AH |
2136 | tmp = build_fold_indirect_ref_loc (input_location, |
2137 | addr_expr); | |
d2ccf6aa VL |
2138 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2139 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2140 | } | |
6eb6875d TK |
2141 | if (last_dt == READ) |
2142 | function = iocall[IOCALL_X_CHARACTER]; | |
2143 | else | |
2144 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2145 | ||
6de9cd9a DN |
2146 | break; |
2147 | ||
2148 | case BT_DERIVED: | |
fc2655fb TB |
2149 | if (ts->u.derived->components == NULL) |
2150 | return; | |
2151 | ||
d2ccf6aa | 2152 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 2153 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
db3927fb AH |
2154 | expr = build_fold_indirect_ref_loc (input_location, |
2155 | expr); | |
6de9cd9a | 2156 | |
bc21d315 | 2157 | for (c = ts->u.derived->components; c; c = c->next) |
6de9cd9a DN |
2158 | { |
2159 | field = c->backend_decl; | |
6e45f57b | 2160 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 2161 | |
db3927fb AH |
2162 | tmp = fold_build3_loc (UNKNOWN_LOCATION, |
2163 | COMPONENT_REF, TREE_TYPE (field), | |
44855d8c | 2164 | expr, field, NULL_TREE); |
6de9cd9a | 2165 | |
d4b7d0f0 | 2166 | if (c->attr.dimension) |
d2ccf6aa | 2167 | { |
bdfd2ff0 | 2168 | tmp = transfer_array_component (tmp, c, & code->loc); |
d2ccf6aa VL |
2169 | gfc_add_expr_to_block (&se->pre, tmp); |
2170 | } | |
2171 | else | |
2172 | { | |
d4b7d0f0 | 2173 | if (!c->attr.pointer) |
628c189e | 2174 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
aa5e22f0 | 2175 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 2176 | } |
6de9cd9a DN |
2177 | } |
2178 | return; | |
2179 | ||
2180 | default: | |
2181 | internal_error ("Bad IO basetype (%d)", ts->type); | |
2182 | } | |
2183 | ||
628c189e | 2184 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2185 | tmp = build_call_expr_loc (input_location, |
2186 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2187 | gfc_add_expr_to_block (&se->pre, tmp); |
2188 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2189 | |
6de9cd9a DN |
2190 | } |
2191 | ||
2192 | ||
18623fae JB |
2193 | /* Generate a call to pass an array descriptor to the IO library. The |
2194 | array should be of one of the intrinsic types. */ | |
2195 | ||
2196 | static void | |
2197 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2198 | { | |
6eb6875d | 2199 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2200 | |
2201 | if (ts->type == BT_CHARACTER) | |
2202 | charlen_arg = se->string_length; | |
2203 | else | |
df09d1d5 | 2204 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
18623fae | 2205 | |
df09d1d5 | 2206 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
e5ef4b3b | 2207 | |
628c189e | 2208 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2209 | if (last_dt == READ) |
2210 | io_call = iocall[IOCALL_X_ARRAY]; | |
2211 | else | |
2212 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2213 | ||
033e7d21 | 2214 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2215 | io_call, 4, |
5039610b | 2216 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2217 | gfc_add_expr_to_block (&se->pre, tmp); |
2218 | gfc_add_block_to_block (&se->pre, &se->post); | |
2219 | } | |
2220 | ||
2221 | ||
6de9cd9a DN |
2222 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2223 | ||
2224 | tree | |
2225 | gfc_trans_transfer (gfc_code * code) | |
2226 | { | |
2227 | stmtblock_t block, body; | |
2228 | gfc_loopinfo loop; | |
2229 | gfc_expr *expr; | |
99c7ab42 | 2230 | gfc_ref *ref; |
6de9cd9a DN |
2231 | gfc_ss *ss; |
2232 | gfc_se se; | |
2233 | tree tmp; | |
c63173dd | 2234 | int n; |
6de9cd9a DN |
2235 | |
2236 | gfc_start_block (&block); | |
18623fae | 2237 | gfc_init_block (&body); |
6de9cd9a | 2238 | |
a513927a | 2239 | expr = code->expr1; |
99c7ab42 | 2240 | ref = NULL; |
6de9cd9a DN |
2241 | gfc_init_se (&se, NULL); |
2242 | ||
2960a368 | 2243 | if (expr->rank == 0) |
18623fae | 2244 | { |
815d8045 | 2245 | /* Transfer a scalar value. */ |
18623fae | 2246 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2247 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2248 | } |
815d8045 | 2249 | else |
6de9cd9a | 2250 | { |
99c7ab42 PT |
2251 | /* Transfer an array. If it is an array of an intrinsic |
2252 | type, pass the descriptor to the library. Otherwise | |
2253 | scalarize the transfer. */ | |
2a573572 | 2254 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
99c7ab42 PT |
2255 | { |
2256 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
fc2655fb TB |
2257 | ref = ref->next); |
2258 | gcc_assert (ref && ref->type == REF_ARRAY); | |
99c7ab42 PT |
2259 | } |
2260 | ||
1d6b7f39 PT |
2261 | if (expr->ts.type != BT_DERIVED |
2262 | && ref && ref->next == NULL | |
2263 | && !is_subref_array (expr)) | |
815d8045 | 2264 | { |
c63173dd PT |
2265 | bool seen_vector = false; |
2266 | ||
2267 | if (ref && ref->u.ar.type == AR_SECTION) | |
2268 | { | |
2269 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2270 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
2271 | seen_vector = true; | |
2272 | } | |
2273 | ||
2274 | if (seen_vector && last_dt == READ) | |
2275 | { | |
2276 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2277 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2278 | tmp = se.expr; |
2279 | } | |
2280 | else | |
2281 | { | |
2282 | /* Get the descriptor. */ | |
2960a368 | 2283 | gfc_conv_expr_descriptor (&se, expr); |
628c189e | 2284 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2285 | } |
2286 | ||
99c7ab42 PT |
2287 | transfer_array_desc (&se, &expr->ts, tmp); |
2288 | goto finish_block_label; | |
815d8045 | 2289 | } |
2960a368 | 2290 | |
6de9cd9a | 2291 | /* Initialize the scalarizer. */ |
2960a368 | 2292 | ss = gfc_walk_expr (expr); |
6de9cd9a DN |
2293 | gfc_init_loopinfo (&loop); |
2294 | gfc_add_ss_to_loop (&loop, ss); | |
2295 | ||
2296 | /* Initialize the loop. */ | |
2297 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2298 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2299 | |
2300 | /* The main loop body. */ | |
2301 | gfc_mark_ss_chain_used (ss, 1); | |
2302 | gfc_start_scalarized_body (&loop, &body); | |
2303 | ||
2304 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2305 | se.ss = ss; | |
6de9cd9a | 2306 | |
18623fae | 2307 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2308 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2309 | } |
815d8045 JB |
2310 | |
2311 | finish_block_label: | |
6de9cd9a DN |
2312 | |
2313 | gfc_add_block_to_block (&body, &se.pre); | |
2314 | gfc_add_block_to_block (&body, &se.post); | |
2315 | ||
2316 | if (se.ss == NULL) | |
2317 | tmp = gfc_finish_block (&body); | |
2318 | else | |
2319 | { | |
6e45f57b | 2320 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2321 | gfc_trans_scalarizing_loops (&loop, &body); |
2322 | ||
2323 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2324 | tmp = gfc_finish_block (&loop.pre); | |
2325 | gfc_cleanup_loop (&loop); | |
2326 | } | |
2327 | ||
2328 | gfc_add_expr_to_block (&block, tmp); | |
2329 | ||
d2ccf6aa | 2330 | return gfc_finish_block (&block); |
6de9cd9a DN |
2331 | } |
2332 | ||
2333 | #include "gt-fortran-trans-io.h" |