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6de9cd9a | 1 | /* IO Code translation/library interface |
cbe34bb5 | 2 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
6de9cd9a DN |
3 | Contributed by Paul Brook |
4 | ||
9fc4d79b | 5 | This file is part of GCC. |
6de9cd9a | 6 | |
9fc4d79b TS |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 9 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 10 | version. |
6de9cd9a | 11 | |
9fc4d79b TS |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
6de9cd9a DN |
16 | |
17 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
20 | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
24 | #include "coretypes.h" | |
2adfab87 | 25 | #include "tree.h" |
6de9cd9a DN |
26 | #include "gfortran.h" |
27 | #include "trans.h" | |
2adfab87 | 28 | #include "stringpool.h" |
2adfab87 AM |
29 | #include "fold-const.h" |
30 | #include "stor-layout.h" | |
6de9cd9a DN |
31 | #include "trans-stmt.h" |
32 | #include "trans-array.h" | |
33 | #include "trans-types.h" | |
34 | #include "trans-const.h" | |
c05c2380 | 35 | #include "options.h" |
6de9cd9a | 36 | |
6de9cd9a DN |
37 | /* Members of the ioparm structure. */ |
38 | ||
5e805e44 JJ |
39 | enum ioparam_type |
40 | { | |
41 | IOPARM_ptype_common, | |
42 | IOPARM_ptype_open, | |
43 | IOPARM_ptype_close, | |
44 | IOPARM_ptype_filepos, | |
45 | IOPARM_ptype_inquire, | |
46 | IOPARM_ptype_dt, | |
6f0f0b2e | 47 | IOPARM_ptype_wait, |
5e805e44 JJ |
48 | IOPARM_ptype_num |
49 | }; | |
50 | ||
51 | enum iofield_type | |
52 | { | |
53 | IOPARM_type_int4, | |
014ec6ee | 54 | IOPARM_type_intio, |
5e805e44 | 55 | IOPARM_type_pint4, |
014ec6ee | 56 | IOPARM_type_pintio, |
5e805e44 JJ |
57 | IOPARM_type_pchar, |
58 | IOPARM_type_parray, | |
59 | IOPARM_type_pad, | |
60 | IOPARM_type_char1, | |
61 | IOPARM_type_char2, | |
62 | IOPARM_type_common, | |
63 | IOPARM_type_num | |
64 | }; | |
65 | ||
d1b38208 | 66 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
67 | const char *name; |
68 | unsigned int mask; | |
69 | enum ioparam_type param_type; | |
70 | enum iofield_type type; | |
71 | tree field; | |
72 | tree field_len; | |
73 | } | |
74 | gfc_st_parameter_field; | |
6de9cd9a | 75 | |
d1b38208 | 76 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
77 | const char *name; |
78 | tree type; | |
79 | } | |
80 | gfc_st_parameter; | |
81 | ||
82 | enum iofield | |
83 | { | |
84 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
85 | #include "ioparm.def" | |
86 | #undef IOPARM | |
87 | IOPARM_field_num | |
88 | }; | |
89 | ||
90 | static GTY(()) gfc_st_parameter st_parameter[] = | |
91 | { | |
92 | { "common", NULL }, | |
93 | { "open", NULL }, | |
94 | { "close", NULL }, | |
95 | { "filepos", NULL }, | |
96 | { "inquire", NULL }, | |
6f0f0b2e JD |
97 | { "dt", NULL }, |
98 | { "wait", NULL } | |
5e805e44 JJ |
99 | }; |
100 | ||
101 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
102 | { | |
103 | #define IOPARM(param_type, name, mask, type) \ | |
104 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
105 | #include "ioparm.def" | |
106 | #undef IOPARM | |
81f40b79 | 107 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 108 | }; |
6de9cd9a DN |
109 | |
110 | /* Library I/O subroutines */ | |
111 | ||
5e805e44 JJ |
112 | enum iocall |
113 | { | |
114 | IOCALL_READ, | |
115 | IOCALL_READ_DONE, | |
116 | IOCALL_WRITE, | |
117 | IOCALL_WRITE_DONE, | |
118 | IOCALL_X_INTEGER, | |
6eb6875d | 119 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 120 | IOCALL_X_LOGICAL, |
6eb6875d | 121 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 122 | IOCALL_X_CHARACTER, |
6eb6875d | 123 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 124 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 125 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 126 | IOCALL_X_REAL, |
6eb6875d | 127 | IOCALL_X_REAL_WRITE, |
5e805e44 | 128 | IOCALL_X_COMPLEX, |
6eb6875d | 129 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
130 | IOCALL_X_REAL128, |
131 | IOCALL_X_REAL128_WRITE, | |
132 | IOCALL_X_COMPLEX128, | |
133 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 134 | IOCALL_X_ARRAY, |
6eb6875d | 135 | IOCALL_X_ARRAY_WRITE, |
e73d3ca6 | 136 | IOCALL_X_DERIVED, |
5e805e44 JJ |
137 | IOCALL_OPEN, |
138 | IOCALL_CLOSE, | |
139 | IOCALL_INQUIRE, | |
140 | IOCALL_IOLENGTH, | |
141 | IOCALL_IOLENGTH_DONE, | |
142 | IOCALL_REWIND, | |
143 | IOCALL_BACKSPACE, | |
144 | IOCALL_ENDFILE, | |
145 | IOCALL_FLUSH, | |
146 | IOCALL_SET_NML_VAL, | |
e73d3ca6 | 147 | IOCALL_SET_NML_DTIO_VAL, |
5e805e44 | 148 | IOCALL_SET_NML_VAL_DIM, |
6f0f0b2e | 149 | IOCALL_WAIT, |
5e805e44 JJ |
150 | IOCALL_NUM |
151 | }; | |
152 | ||
153 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
154 | |
155 | /* Variable for keeping track of what the last data transfer statement | |
156 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 157 | transfer is complete. */ |
8750f9cd | 158 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 159 | |
5e805e44 JJ |
160 | /* The data transfer parameter block that should be shared by all |
161 | data transfer calls belonging to the same read/write/iolength. */ | |
162 | static GTY(()) tree dt_parm; | |
163 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 164 | |
5e805e44 JJ |
165 | static void |
166 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
167 | { | |
32e8bb8e | 168 | unsigned int type; |
5e805e44 JJ |
169 | gfc_st_parameter_field *p; |
170 | char name[64]; | |
171 | size_t len; | |
172 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 173 | tree *chain = NULL; |
5e805e44 JJ |
174 | |
175 | len = strlen (st_parameter[ptype].name); | |
176 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
177 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
178 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 179 | len + 1); |
5e805e44 JJ |
180 | TYPE_NAME (t) = get_identifier (name); |
181 | ||
182 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
183 | if (p->param_type == ptype) | |
184 | switch (p->type) | |
185 | { | |
186 | case IOPARM_type_int4: | |
014ec6ee | 187 | case IOPARM_type_intio: |
5e805e44 | 188 | case IOPARM_type_pint4: |
014ec6ee | 189 | case IOPARM_type_pintio: |
5e805e44 JJ |
190 | case IOPARM_type_parray: |
191 | case IOPARM_type_pchar: | |
192 | case IOPARM_type_pad: | |
35151cd5 | 193 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 194 | types[p->type], &chain); |
5e805e44 JJ |
195 | break; |
196 | case IOPARM_type_char1: | |
35151cd5 | 197 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 198 | pchar_type_node, &chain); |
5e805e44 JJ |
199 | /* FALLTHROUGH */ |
200 | case IOPARM_type_char2: | |
201 | len = strlen (p->name); | |
202 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
203 | memcpy (name, p->name, len); | |
204 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 205 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
206 | gfc_charlen_type_node, |
207 | &chain); | |
5e805e44 | 208 | if (p->type == IOPARM_type_char2) |
35151cd5 | 209 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 210 | pchar_type_node, &chain); |
5e805e44 JJ |
211 | break; |
212 | case IOPARM_type_common: | |
213 | p->field | |
35151cd5 | 214 | = gfc_add_field_to_struct (t, |
5e805e44 | 215 | get_identifier (p->name), |
dfd6ece2 NF |
216 | st_parameter[IOPARM_ptype_common].type, |
217 | &chain); | |
5e805e44 JJ |
218 | break; |
219 | case IOPARM_type_num: | |
220 | gcc_unreachable (); | |
221 | } | |
6de9cd9a | 222 | |
c05c2380 JJ |
223 | /* -Wpadded warnings on these artificially created structures are not |
224 | helpful; suppress them. */ | |
225 | int save_warn_padded = warn_padded; | |
226 | warn_padded = 0; | |
5e805e44 | 227 | gfc_finish_type (t); |
c05c2380 | 228 | warn_padded = save_warn_padded; |
5e805e44 JJ |
229 | st_parameter[ptype].type = t; |
230 | } | |
6de9cd9a | 231 | |
f96d606f JD |
232 | |
233 | /* Build code to test an error condition and call generate_error if needed. | |
234 | Note: This builds calls to generate_error in the runtime library function. | |
235 | The function generate_error is dependent on certain parameters in the | |
236 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
237 | Therefore, the code to set these flags must be generated before | |
238 | this function is used. */ | |
239 | ||
ed9c79e1 JJ |
240 | static void |
241 | gfc_trans_io_runtime_check (bool has_iostat, tree cond, tree var, | |
242 | int error_code, const char * msgid, | |
243 | stmtblock_t * pblock) | |
f96d606f JD |
244 | { |
245 | stmtblock_t block; | |
246 | tree body; | |
247 | tree tmp; | |
248 | tree arg1, arg2, arg3; | |
249 | char *message; | |
250 | ||
251 | if (integer_zerop (cond)) | |
252 | return; | |
253 | ||
254 | /* The code to generate the error. */ | |
255 | gfc_start_block (&block); | |
8019105d | 256 | |
ed9c79e1 JJ |
257 | if (has_iostat) |
258 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_FORTRAN_FAIL_IO, | |
259 | NOT_TAKEN)); | |
260 | else | |
261 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_NORETURN, | |
262 | NOT_TAKEN)); | |
263 | ||
628c189e | 264 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
8019105d | 265 | |
f96d606f | 266 | arg2 = build_int_cst (integer_type_node, error_code), |
8019105d | 267 | |
1a33dc9e | 268 | message = xasprintf ("%s", _(msgid)); |
ee37d2f5 FXC |
269 | arg3 = gfc_build_addr_expr (pchar_type_node, |
270 | gfc_build_localized_cstring_const (message)); | |
cede9502 | 271 | free (message); |
8019105d | 272 | |
db3927fb AH |
273 | tmp = build_call_expr_loc (input_location, |
274 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
275 | |
276 | gfc_add_expr_to_block (&block, tmp); | |
277 | ||
278 | body = gfc_finish_block (&block); | |
279 | ||
280 | if (integer_onep (cond)) | |
281 | { | |
282 | gfc_add_expr_to_block (pblock, body); | |
283 | } | |
284 | else | |
285 | { | |
c2255bc4 | 286 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
287 | gfc_add_expr_to_block (pblock, tmp); |
288 | } | |
289 | } | |
290 | ||
291 | ||
6de9cd9a DN |
292 | /* Create function decls for IO library functions. */ |
293 | ||
294 | void | |
295 | gfc_build_io_library_fndecls (void) | |
296 | { | |
5e805e44 | 297 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 298 | tree gfc_intio_type_node; |
5e805e44 | 299 | tree parm_type, dt_parm_type; |
5e805e44 | 300 | HOST_WIDE_INT pad_size; |
09639a83 | 301 | unsigned int ptype; |
5e805e44 JJ |
302 | |
303 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
304 | types[IOPARM_type_intio] = gfc_intio_type_node |
305 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 306 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
307 | types[IOPARM_type_pintio] |
308 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
309 | types[IOPARM_type_parray] = pchar_type_node; |
310 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 311 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 312 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
df09d1d5 | 313 | pad_idx = build_index_type (size_int (pad_size - 1)); |
5e805e44 | 314 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
315 | |
316 | /* pad actually contains pointers and integers so it needs to have an | |
317 | alignment that is at least as large as the needed alignment for those | |
318 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
319 | what really goes into this space. */ | |
fe37c7af MM |
320 | SET_TYPE_ALIGN (types[IOPARM_type_pad], MAX (TYPE_ALIGN (pchar_type_node), |
321 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind)))); | |
7ae99337 | 322 | |
5e805e44 | 323 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 324 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 325 | |
6eb6875d | 326 | /* Define the transfer functions. */ |
6de9cd9a | 327 | |
5e805e44 JJ |
328 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
329 | ||
3f34855a TB |
330 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
331 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
332 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
333 | ||
6eb6875d TK |
334 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
335 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
336 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
337 | ||
3f34855a TB |
338 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
339 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
340 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
341 | ||
6eb6875d TK |
342 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
343 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
344 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
345 | ||
3f34855a TB |
346 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
347 | get_identifier (PREFIX("transfer_character")), ".wW", | |
c1e9bbcc | 348 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); |
3f34855a | 349 | |
6eb6875d TK |
350 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
351 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
c1e9bbcc | 352 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); |
6eb6875d | 353 | |
3f34855a TB |
354 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
355 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
356 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
357 | gfc_charlen_type_node, gfc_int4_type_node); | |
358 | ||
6eb6875d TK |
359 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
360 | gfc_build_library_function_decl_with_spec ( | |
361 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
362 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
363 | gfc_charlen_type_node, gfc_int4_type_node); | |
364 | ||
3f34855a TB |
365 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
366 | get_identifier (PREFIX("transfer_real")), ".wW", | |
367 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
368 | ||
6eb6875d TK |
369 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
370 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
371 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
372 | ||
3f34855a TB |
373 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
374 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
375 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
376 | ||
6eb6875d TK |
377 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
378 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
379 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
380 | ||
1ec601bf FXC |
381 | /* Version for __float128. */ |
382 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
383 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
384 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
385 | ||
386 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
387 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
388 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
389 | ||
390 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
391 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
392 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
393 | ||
394 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
395 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
396 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
397 | ||
3f34855a | 398 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 399 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
400 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
401 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 402 | |
6eb6875d TK |
403 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
404 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
405 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
406 | integer_type_node, gfc_charlen_type_node); | |
407 | ||
e73d3ca6 PT |
408 | iocall[IOCALL_X_DERIVED] = gfc_build_library_function_decl_with_spec ( |
409 | get_identifier (PREFIX("transfer_derived")), ".wrR", | |
410 | void_type_node, 2, dt_parm_type, pvoid_type_node, pchar_type_node); | |
411 | ||
6de9cd9a DN |
412 | /* Library entry points */ |
413 | ||
3f34855a TB |
414 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
415 | get_identifier (PREFIX("st_read")), ".w", | |
416 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 417 | |
3f34855a TB |
418 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
419 | get_identifier (PREFIX("st_write")), ".w", | |
420 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
421 | |
422 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
423 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
424 | get_identifier (PREFIX("st_open")), ".w", | |
425 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
426 | |
427 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
428 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
429 | get_identifier (PREFIX("st_close")), ".w", | |
430 | void_type_node, 1, parm_type); | |
6de9cd9a | 431 | |
5e805e44 | 432 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
433 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
434 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 435 | void_type_node, 1, parm_type); |
6de9cd9a | 436 | |
3f34855a TB |
437 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
438 | get_identifier (PREFIX("st_iolength")), ".w", | |
439 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 440 | |
3f34855a | 441 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 442 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
443 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
444 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 445 | void_type_node, 1, parm_type); |
6f0f0b2e | 446 | |
5e805e44 | 447 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
448 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
449 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 450 | void_type_node, 1, parm_type); |
6de9cd9a | 451 | |
3f34855a TB |
452 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
453 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 454 | void_type_node, 1, parm_type); |
6de9cd9a | 455 | |
3f34855a TB |
456 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
457 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 458 | void_type_node, 1, parm_type); |
6403ec5f | 459 | |
3f34855a TB |
460 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
461 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 462 | void_type_node, 1, parm_type); |
6403ec5f | 463 | |
6de9cd9a DN |
464 | /* Library helpers */ |
465 | ||
3f34855a TB |
466 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
467 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 468 | void_type_node, 1, dt_parm_type); |
8750f9cd | 469 | |
3f34855a TB |
470 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
471 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 472 | void_type_node, 1, dt_parm_type); |
8750f9cd | 473 | |
3f34855a TB |
474 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
475 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 476 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 477 | |
3f34855a TB |
478 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
479 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
480 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
0522a84e | 481 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 482 | |
e73d3ca6 PT |
483 | iocall[IOCALL_SET_NML_DTIO_VAL] = gfc_build_library_function_decl_with_spec ( |
484 | get_identifier (PREFIX("st_set_nml_dtio_var")), ".w.R", | |
485 | void_type_node, 8, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
486 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node, | |
487 | pvoid_type_node, pvoid_type_node); | |
488 | ||
3f34855a TB |
489 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
490 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
491 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
492 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
493 | } |
494 | ||
495 | ||
e73d3ca6 PT |
496 | static void |
497 | set_parameter_tree (stmtblock_t *block, tree var, enum iofield type, tree value) | |
5e805e44 JJ |
498 | { |
499 | tree tmp; | |
500 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
501 | ||
502 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
503 | var = fold_build3_loc (input_location, COMPONENT_REF, |
504 | st_parameter[IOPARM_ptype_common].type, | |
505 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
506 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
507 | var, p->field, NULL_TREE); | |
e73d3ca6 PT |
508 | gfc_add_modify (block, tmp, value); |
509 | } | |
510 | ||
511 | ||
512 | /* Generate code to store an integer constant into the | |
513 | st_parameter_XXX structure. */ | |
514 | ||
515 | static unsigned int | |
516 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
517 | unsigned int val) | |
518 | { | |
519 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
520 | ||
521 | set_parameter_tree (block, var, type, | |
522 | build_int_cst (TREE_TYPE (p->field), val)); | |
5e805e44 JJ |
523 | return p->mask; |
524 | } | |
525 | ||
526 | ||
49de9e73 | 527 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 528 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 529 | |
5e805e44 | 530 | static unsigned int |
e344505c JD |
531 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, |
532 | gfc_expr *e) | |
533 | { | |
534 | gfc_se se; | |
535 | tree tmp; | |
536 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
537 | tree dest_type = TREE_TYPE (p->field); | |
538 | ||
539 | gfc_init_se (&se, NULL); | |
540 | gfc_conv_expr_val (&se, e); | |
541 | ||
542 | se.expr = convert (dest_type, se.expr); | |
543 | gfc_add_block_to_block (block, &se.pre); | |
544 | ||
545 | if (p->param_type == IOPARM_ptype_common) | |
546 | var = fold_build3_loc (input_location, COMPONENT_REF, | |
547 | st_parameter[IOPARM_ptype_common].type, | |
548 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
549 | ||
550 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, | |
551 | p->field, NULL_TREE); | |
552 | gfc_add_modify (block, tmp, se.expr); | |
553 | return p->mask; | |
554 | } | |
555 | ||
556 | ||
557 | /* Similar to set_parameter_value except generate runtime | |
558 | error checks. */ | |
559 | ||
560 | static unsigned int | |
561 | set_parameter_value_chk (stmtblock_t *block, bool has_iostat, tree var, | |
ed9c79e1 | 562 | enum iofield type, gfc_expr *e) |
6de9cd9a DN |
563 | { |
564 | gfc_se se; | |
565 | tree tmp; | |
5e805e44 | 566 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 567 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
568 | |
569 | gfc_init_se (&se, NULL); | |
f96d606f JD |
570 | gfc_conv_expr_val (&se, e); |
571 | ||
572 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 573 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 574 | { |
9ad55c33 | 575 | tree cond, val; |
f96d606f JD |
576 | int i; |
577 | ||
f96d606f JD |
578 | /* Don't evaluate the UNIT number multiple times. */ |
579 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
580 | ||
9ad55c33 JD |
581 | /* UNIT numbers should be greater than the min. */ |
582 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
583 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
63ee5404 | 584 | cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, |
65a9ca82 TB |
585 | se.expr, |
586 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
587 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
588 | "Unit number in I/O statement too small", | |
589 | &se.pre); | |
8019105d | 590 | |
f96d606f | 591 | /* UNIT numbers should be less than the max. */ |
9ad55c33 | 592 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
63ee5404 | 593 | cond = fold_build2_loc (input_location, GT_EXPR, logical_type_node, |
65a9ca82 TB |
594 | se.expr, |
595 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
596 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
597 | "Unit number in I/O statement too large", | |
598 | &se.pre); | |
f96d606f JD |
599 | } |
600 | ||
601 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
602 | gfc_add_block_to_block (block, &se.pre); |
603 | ||
5e805e44 | 604 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
605 | var = fold_build3_loc (input_location, COMPONENT_REF, |
606 | st_parameter[IOPARM_ptype_common].type, | |
607 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 608 | |
65a9ca82 TB |
609 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
610 | p->field, NULL_TREE); | |
726a989a | 611 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 612 | return p->mask; |
6de9cd9a DN |
613 | } |
614 | ||
615 | ||
e344505c JD |
616 | /* Build code to check the unit range if KIND=8 is used. Similar to |
617 | set_parameter_value_chk but we do not generate error calls for | |
618 | inquire statements. */ | |
619 | ||
620 | static unsigned int | |
621 | set_parameter_value_inquire (stmtblock_t *block, tree var, | |
622 | enum iofield type, gfc_expr *e) | |
623 | { | |
624 | gfc_se se; | |
625 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
626 | tree dest_type = TREE_TYPE (p->field); | |
627 | ||
628 | gfc_init_se (&se, NULL); | |
629 | gfc_conv_expr_val (&se, e); | |
630 | ||
631 | /* If we're inquiring on a UNIT number, we need to check to make | |
632 | sure it exists for larger than kind = 4. */ | |
633 | if (type == IOPARM_common_unit && e->ts.kind > 4) | |
634 | { | |
635 | stmtblock_t newblock; | |
636 | tree cond1, cond2, cond3, val, body; | |
637 | int i; | |
638 | ||
639 | /* Don't evaluate the UNIT number multiple times. */ | |
640 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
641 | ||
642 | /* UNIT numbers should be greater than zero. */ | |
643 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
63ee5404 | 644 | cond1 = build2_loc (input_location, LT_EXPR, logical_type_node, |
e344505c JD |
645 | se.expr, |
646 | fold_convert (TREE_TYPE (se.expr), | |
647 | integer_zero_node)); | |
648 | /* UNIT numbers should be less than the max. */ | |
649 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); | |
63ee5404 | 650 | cond2 = build2_loc (input_location, GT_EXPR, logical_type_node, |
e344505c JD |
651 | se.expr, |
652 | fold_convert (TREE_TYPE (se.expr), val)); | |
653 | cond3 = build2_loc (input_location, TRUTH_OR_EXPR, | |
63ee5404 | 654 | logical_type_node, cond1, cond2); |
e344505c JD |
655 | |
656 | gfc_start_block (&newblock); | |
657 | ||
658 | /* The unit number GFC_INVALID_UNIT is reserved. No units can | |
659 | ever have this value. It is used here to signal to the | |
660 | runtime library that the inquire unit number is outside the | |
661 | allowable range and so cannot exist. It is needed when | |
662 | -fdefault-integer-8 is used. */ | |
663 | set_parameter_const (&newblock, var, IOPARM_common_unit, | |
664 | GFC_INVALID_UNIT); | |
665 | ||
666 | body = gfc_finish_block (&newblock); | |
667 | ||
e73d3ca6 | 668 | cond3 = gfc_unlikely (cond3, PRED_FORTRAN_FAIL_IO); |
e344505c JD |
669 | var = build3_v (COND_EXPR, cond3, body, build_empty_stmt (input_location)); |
670 | gfc_add_expr_to_block (&se.pre, var); | |
671 | } | |
672 | ||
673 | se.expr = convert (dest_type, se.expr); | |
674 | gfc_add_block_to_block (block, &se.pre); | |
675 | ||
676 | return p->mask; | |
677 | } | |
678 | ||
679 | ||
49de9e73 | 680 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 681 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 682 | |
5e805e44 JJ |
683 | static unsigned int |
684 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
685 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
686 | { |
687 | gfc_se se; | |
5e805e44 JJ |
688 | tree tmp, addr; |
689 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 690 | |
5e805e44 | 691 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 692 | gfc_init_se (&se, NULL); |
5e805e44 | 693 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 694 | |
6de9cd9a DN |
695 | gfc_add_block_to_block (block, &se.pre); |
696 | ||
5e805e44 JJ |
697 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
698 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 699 | { |
628c189e | 700 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
701 | |
702 | /* If this is for the iostat variable initialize the | |
d74b97cc | 703 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 704 | if (type == IOPARM_common_iostat) |
726a989a | 705 | gfc_add_modify (block, se.expr, |
d74b97cc | 706 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 707 | } |
5e805e44 JJ |
708 | else |
709 | { | |
710 | /* The type used by the library has different size | |
f96d606f JD |
711 | from the type of the variable supplied by the user. |
712 | Need to use a temporary. */ | |
713 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
714 | st_parameter_field[type].name); | |
715 | ||
716 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 717 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 718 | if (type == IOPARM_common_iostat) |
726a989a | 719 | gfc_add_modify (block, tmpvar, |
d74b97cc | 720 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 721 | |
628c189e | 722 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 723 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 724 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 725 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 726 | } |
5e805e44 | 727 | |
e73d3ca6 | 728 | set_parameter_tree (block, var, type, addr); |
5e805e44 | 729 | return p->mask; |
6de9cd9a DN |
730 | } |
731 | ||
d3642f89 FW |
732 | /* Given an array expr, find its address and length to get a string. If the |
733 | array is full, the string's address is the address of array's first element | |
7e279142 | 734 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 735 | string's address is the element's address and the length is the rest size of |
7e279142 | 736 | the array. */ |
d3642f89 FW |
737 | |
738 | static void | |
739 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
740 | { | |
d3642f89 | 741 | tree size; |
d3642f89 | 742 | |
7e279142 | 743 | if (e->rank == 0) |
d3642f89 | 744 | { |
7e279142 JJ |
745 | tree type, array, tmp; |
746 | gfc_symbol *sym; | |
747 | int rank; | |
748 | ||
749 | /* If it is an element, we need its address and size of the rest. */ | |
750 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
751 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
752 | sym = e->symtree->n.sym; | |
753 | rank = sym->as->rank - 1; | |
d3642f89 | 754 | gfc_conv_expr (se, e); |
d3642f89 | 755 | |
7e279142 JJ |
756 | array = sym->backend_decl; |
757 | type = TREE_TYPE (array); | |
d3642f89 | 758 | |
7e279142 JJ |
759 | if (GFC_ARRAY_TYPE_P (type)) |
760 | size = GFC_TYPE_ARRAY_SIZE (type); | |
761 | else | |
762 | { | |
763 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
764 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
765 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
766 | gfc_array_index_type, | |
767 | gfc_conv_array_ubound (array, rank), | |
768 | gfc_conv_array_lbound (array, rank)); | |
769 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
770 | gfc_array_index_type, tmp, | |
771 | gfc_index_one_node); | |
772 | size = fold_build2_loc (input_location, MULT_EXPR, | |
773 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
774 | } |
775 | gcc_assert (size); | |
d3642f89 | 776 | |
65a9ca82 TB |
777 | size = fold_build2_loc (input_location, MINUS_EXPR, |
778 | gfc_array_index_type, size, | |
779 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 780 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 781 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
782 | size = fold_build2_loc (input_location, MULT_EXPR, |
783 | gfc_array_index_type, size, | |
784 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
785 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
786 | return; | |
d3642f89 FW |
787 | } |
788 | ||
2960a368 | 789 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
d3642f89 FW |
790 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
791 | } | |
6de9cd9a | 792 | |
109b0ac2 | 793 | |
6de9cd9a | 794 | /* Generate code to store a string and its length into the |
5e805e44 | 795 | st_parameter_XXX structure. */ |
6de9cd9a | 796 | |
5e805e44 | 797 | static unsigned int |
6de9cd9a | 798 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 799 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
800 | { |
801 | gfc_se se; | |
802 | tree tmp; | |
6de9cd9a DN |
803 | tree io; |
804 | tree len; | |
5e805e44 | 805 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
806 | |
807 | gfc_init_se (&se, NULL); | |
6de9cd9a | 808 | |
5e805e44 | 809 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
810 | var = fold_build3_loc (input_location, COMPONENT_REF, |
811 | st_parameter[IOPARM_ptype_common].type, | |
812 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
813 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 814 | var, p->field, NULL_TREE); |
65a9ca82 TB |
815 | len = fold_build3_loc (input_location, COMPONENT_REF, |
816 | TREE_TYPE (p->field_len), | |
817 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 818 | |
7ab92584 | 819 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
820 | if (e->ts.type == BT_INTEGER |
821 | && e->rank == 0 | |
822 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 823 | { |
dd18a33b | 824 | char * msg; |
c8fe94c7 | 825 | tree cond; |
dd18a33b | 826 | |
ce2df7c6 | 827 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 828 | tmp = GFC_DECL_STRING_LEN (se.expr); |
63ee5404 | 829 | cond = fold_build2_loc (input_location, LT_EXPR, logical_type_node, |
65a9ca82 | 830 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); |
dd18a33b | 831 | |
1a33dc9e UB |
832 | msg = xasprintf ("Label assigned to variable '%s' (%%ld) is not a format " |
833 | "label", e->symtree->name); | |
0d52899f | 834 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 835 | fold_convert (long_integer_type_node, tmp)); |
cede9502 | 836 | free (msg); |
dd18a33b | 837 | |
726a989a | 838 | gfc_add_modify (&se.pre, io, |
b078dfbf | 839 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 840 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
841 | } |
842 | else | |
843 | { | |
d3642f89 FW |
844 | /* General character. */ |
845 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
846 | gfc_conv_expr (&se, e); | |
847 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 848 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
849 | gfc_convert_array_to_string (&se, e); |
850 | else | |
851 | gcc_unreachable (); | |
852 | ||
6de9cd9a | 853 | gfc_conv_string_parameter (&se); |
726a989a RB |
854 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
855 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
856 | } |
857 | ||
858 | gfc_add_block_to_block (block, &se.pre); | |
859 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 860 | return p->mask; |
6de9cd9a DN |
861 | } |
862 | ||
863 | ||
109b0ac2 PT |
864 | /* Generate code to store the character (array) and the character length |
865 | for an internal unit. */ | |
866 | ||
5e805e44 | 867 | static unsigned int |
d4feb3d3 PT |
868 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
869 | tree var, gfc_expr * e) | |
109b0ac2 PT |
870 | { |
871 | gfc_se se; | |
872 | tree io; | |
873 | tree len; | |
874 | tree desc; | |
875 | tree tmp; | |
5e805e44 JJ |
876 | gfc_st_parameter_field *p; |
877 | unsigned int mask; | |
109b0ac2 PT |
878 | |
879 | gfc_init_se (&se, NULL); | |
880 | ||
5e805e44 JJ |
881 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
882 | mask = p->mask; | |
65a9ca82 TB |
883 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
884 | var, p->field, NULL_TREE); | |
885 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
886 | var, p->field_len, NULL_TREE); | |
5e805e44 | 887 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
888 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
889 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
890 | |
891 | gcc_assert (e->ts.type == BT_CHARACTER); | |
892 | ||
893 | /* Character scalars. */ | |
894 | if (e->rank == 0) | |
895 | { | |
896 | gfc_conv_expr (&se, e); | |
897 | gfc_conv_string_parameter (&se); | |
898 | tmp = se.expr; | |
c3238e32 | 899 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
900 | } |
901 | ||
902 | /* Character array. */ | |
64db4d29 | 903 | else if (e->rank > 0) |
109b0ac2 | 904 | { |
1d6b7f39 | 905 | if (is_subref_array (e)) |
d4feb3d3 PT |
906 | { |
907 | /* Use a temporary for components of arrays of derived types | |
908 | or substring array references. */ | |
1d6b7f39 | 909 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 910 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
911 | tmp = build_fold_indirect_ref_loc (input_location, |
912 | se.expr); | |
d4feb3d3 PT |
913 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
914 | tmp = gfc_conv_descriptor_data_get (tmp); | |
915 | } | |
916 | else | |
917 | { | |
918 | /* Return the data pointer and rank from the descriptor. */ | |
2960a368 | 919 | gfc_conv_expr_descriptor (&se, e); |
d4feb3d3 PT |
920 | tmp = gfc_conv_descriptor_data_get (se.expr); |
921 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
922 | } | |
109b0ac2 PT |
923 | } |
924 | else | |
925 | gcc_unreachable (); | |
926 | ||
927 | /* The cast is needed for character substrings and the descriptor | |
928 | data. */ | |
726a989a RB |
929 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
930 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 931 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 932 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
933 | |
934 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 935 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 936 | return mask; |
109b0ac2 PT |
937 | } |
938 | ||
6de9cd9a DN |
939 | /* Add a case to a IO-result switch. */ |
940 | ||
941 | static void | |
942 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
943 | { | |
944 | tree tmp, value; | |
945 | ||
946 | if (label == NULL) | |
947 | return; /* No label, no case */ | |
948 | ||
df09d1d5 | 949 | value = build_int_cst (integer_type_node, label_value); |
6de9cd9a DN |
950 | |
951 | /* Make a backend label for this case. */ | |
c006df4e | 952 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
953 | |
954 | /* And the case itself. */ | |
3d528853 | 955 | tmp = build_case_label (value, NULL_TREE, tmp); |
6de9cd9a DN |
956 | gfc_add_expr_to_block (body, tmp); |
957 | ||
958 | /* Jump to the label. */ | |
959 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
960 | gfc_add_expr_to_block (body, tmp); | |
961 | } | |
962 | ||
963 | ||
964 | /* Generate a switch statement that branches to the correct I/O | |
965 | result label. The last statement of an I/O call stores the | |
966 | result into a variable because there is often cleanup that | |
967 | must be done before the switch, so a temporary would have to | |
968 | be created anyway. */ | |
969 | ||
970 | static void | |
5e805e44 | 971 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
972 | gfc_st_label * end_label, gfc_st_label * eor_label) |
973 | { | |
974 | stmtblock_t body; | |
975 | tree tmp, rc; | |
5e805e44 | 976 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
977 | |
978 | /* If no labels are specified, ignore the result instead | |
979 | of building an empty switch. */ | |
980 | if (err_label == NULL | |
981 | && end_label == NULL | |
982 | && eor_label == NULL) | |
983 | return; | |
984 | ||
985 | /* Build a switch statement. */ | |
986 | gfc_start_block (&body); | |
987 | ||
988 | /* The label values here must be the same as the values | |
989 | in the library_return enum in the runtime library */ | |
990 | add_case (1, err_label, &body); | |
991 | add_case (2, end_label, &body); | |
992 | add_case (3, eor_label, &body); | |
993 | ||
994 | tmp = gfc_finish_block (&body); | |
995 | ||
65a9ca82 TB |
996 | var = fold_build3_loc (input_location, COMPONENT_REF, |
997 | st_parameter[IOPARM_ptype_common].type, | |
998 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
999 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
1000 | var, p->field, NULL_TREE); | |
1001 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
1002 | rc, build_int_cst (TREE_TYPE (rc), | |
1003 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 1004 | |
9e851845 | 1005 | tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, rc, tmp); |
6de9cd9a DN |
1006 | |
1007 | gfc_add_expr_to_block (block, tmp); | |
1008 | } | |
1009 | ||
1010 | ||
1011 | /* Store the current file and line number to variables so that if a | |
1012 | library call goes awry, we can tell the user where the problem is. */ | |
1013 | ||
1014 | static void | |
5e805e44 | 1015 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
1016 | { |
1017 | gfc_file *f; | |
5e805e44 | 1018 | tree str, locus_file; |
6de9cd9a | 1019 | int line; |
5e805e44 | 1020 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 1021 | |
65a9ca82 TB |
1022 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
1023 | st_parameter[IOPARM_ptype_common].type, | |
1024 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
1025 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
1026 | TREE_TYPE (p->field), locus_file, | |
1027 | p->field, NULL_TREE); | |
d4fa05b9 | 1028 | f = where->lb->file; |
5e805e44 | 1029 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 1030 | |
5e805e44 | 1031 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 1032 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 1033 | |
c8cc8542 | 1034 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 1035 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
1036 | } |
1037 | ||
1038 | ||
1039 | /* Translate an OPEN statement. */ | |
1040 | ||
1041 | tree | |
1042 | gfc_trans_open (gfc_code * code) | |
1043 | { | |
1044 | stmtblock_t block, post_block; | |
1045 | gfc_open *p; | |
5e805e44 JJ |
1046 | tree tmp, var; |
1047 | unsigned int mask = 0; | |
6de9cd9a | 1048 | |
5e805e44 | 1049 | gfc_start_block (&block); |
6de9cd9a DN |
1050 | gfc_init_block (&post_block); |
1051 | ||
5e805e44 JJ |
1052 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
1053 | ||
1054 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1055 | p = code->ext.open; |
1056 | ||
f96d606f JD |
1057 | if (p->iomsg) |
1058 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1059 | p->iomsg); | |
1060 | ||
1061 | if (p->iostat) | |
1062 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1063 | p->iostat); | |
1064 | ||
1065 | if (p->err) | |
1066 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
1067 | |
1068 | if (p->file) | |
5e805e44 | 1069 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
1070 | |
1071 | if (p->status) | |
5e805e44 JJ |
1072 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
1073 | p->status); | |
6de9cd9a DN |
1074 | |
1075 | if (p->access) | |
5e805e44 JJ |
1076 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
1077 | p->access); | |
6de9cd9a DN |
1078 | |
1079 | if (p->form) | |
5e805e44 | 1080 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
1081 | |
1082 | if (p->recl) | |
e344505c | 1083 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, |
ed9c79e1 | 1084 | p->recl); |
6de9cd9a DN |
1085 | |
1086 | if (p->blank) | |
5e805e44 JJ |
1087 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
1088 | p->blank); | |
6de9cd9a DN |
1089 | |
1090 | if (p->position) | |
5e805e44 JJ |
1091 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
1092 | p->position); | |
6de9cd9a DN |
1093 | |
1094 | if (p->action) | |
5e805e44 JJ |
1095 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
1096 | p->action); | |
6de9cd9a DN |
1097 | |
1098 | if (p->delim) | |
5e805e44 JJ |
1099 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
1100 | p->delim); | |
6de9cd9a DN |
1101 | |
1102 | if (p->pad) | |
5e805e44 | 1103 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 1104 | |
6f0f0b2e JD |
1105 | if (p->decimal) |
1106 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
1107 | p->decimal); | |
1108 | ||
1109 | if (p->encoding) | |
1110 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
1111 | p->encoding); | |
1112 | ||
1113 | if (p->round) | |
1114 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
1115 | ||
1116 | if (p->sign) | |
1117 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
1118 | ||
1119 | if (p->asynchronous) | |
1120 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
1121 | p->asynchronous); | |
1122 | ||
181c9f4a TK |
1123 | if (p->convert) |
1124 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1125 | p->convert); | |
8019105d | 1126 | |
9ad55c33 JD |
1127 | if (p->newunit) |
1128 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1129 | p->newunit); | |
181c9f4a | 1130 | |
0ef33d44 FR |
1131 | if (p->cc) |
1132 | mask |= set_string (&block, &post_block, var, IOPARM_open_cc, p->cc); | |
1133 | ||
1134 | if (p->share) | |
1135 | mask |= set_string (&block, &post_block, var, IOPARM_open_share, p->share); | |
1136 | ||
1137 | mask |= set_parameter_const (&block, var, IOPARM_open_readonly, p->readonly); | |
1138 | ||
5e805e44 JJ |
1139 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1140 | ||
f96d606f | 1141 | if (p->unit) |
e344505c | 1142 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1143 | else |
1144 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1145 | ||
628c189e | 1146 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1147 | tmp = build_call_expr_loc (input_location, |
1148 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1149 | gfc_add_expr_to_block (&block, tmp); |
1150 | ||
1151 | gfc_add_block_to_block (&block, &post_block); | |
1152 | ||
5e805e44 | 1153 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1154 | |
1155 | return gfc_finish_block (&block); | |
1156 | } | |
1157 | ||
1158 | ||
1159 | /* Translate a CLOSE statement. */ | |
1160 | ||
1161 | tree | |
1162 | gfc_trans_close (gfc_code * code) | |
1163 | { | |
1164 | stmtblock_t block, post_block; | |
1165 | gfc_close *p; | |
5e805e44 JJ |
1166 | tree tmp, var; |
1167 | unsigned int mask = 0; | |
6de9cd9a | 1168 | |
5e805e44 | 1169 | gfc_start_block (&block); |
6de9cd9a DN |
1170 | gfc_init_block (&post_block); |
1171 | ||
5e805e44 JJ |
1172 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1173 | ||
1174 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1175 | p = code->ext.close; |
1176 | ||
7aba8abe | 1177 | if (p->iomsg) |
5e805e44 JJ |
1178 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1179 | p->iomsg); | |
7aba8abe | 1180 | |
6de9cd9a | 1181 | if (p->iostat) |
5e805e44 JJ |
1182 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1183 | p->iostat); | |
6de9cd9a DN |
1184 | |
1185 | if (p->err) | |
5e805e44 JJ |
1186 | mask |= IOPARM_common_err; |
1187 | ||
f96d606f JD |
1188 | if (p->status) |
1189 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1190 | p->status); | |
1191 | ||
5e805e44 | 1192 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1193 | |
f96d606f | 1194 | if (p->unit) |
e344505c | 1195 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1196 | else |
1197 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1198 | ||
628c189e | 1199 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1200 | tmp = build_call_expr_loc (input_location, |
1201 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1202 | gfc_add_expr_to_block (&block, tmp); |
1203 | ||
1204 | gfc_add_block_to_block (&block, &post_block); | |
1205 | ||
5e805e44 | 1206 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1207 | |
1208 | return gfc_finish_block (&block); | |
1209 | } | |
1210 | ||
1211 | ||
1212 | /* Common subroutine for building a file positioning statement. */ | |
1213 | ||
1214 | static tree | |
1215 | build_filepos (tree function, gfc_code * code) | |
1216 | { | |
7aba8abe | 1217 | stmtblock_t block, post_block; |
6de9cd9a | 1218 | gfc_filepos *p; |
5e805e44 JJ |
1219 | tree tmp, var; |
1220 | unsigned int mask = 0; | |
6de9cd9a DN |
1221 | |
1222 | p = code->ext.filepos; | |
1223 | ||
5e805e44 | 1224 | gfc_start_block (&block); |
7aba8abe | 1225 | gfc_init_block (&post_block); |
6de9cd9a | 1226 | |
5e805e44 JJ |
1227 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1228 | "filepos_parm"); | |
1229 | ||
1230 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1231 | |
7aba8abe | 1232 | if (p->iomsg) |
5e805e44 JJ |
1233 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1234 | p->iomsg); | |
7aba8abe | 1235 | |
6de9cd9a | 1236 | if (p->iostat) |
e344505c JD |
1237 | mask |= set_parameter_ref (&block, &post_block, var, |
1238 | IOPARM_common_iostat, p->iostat); | |
6de9cd9a DN |
1239 | |
1240 | if (p->err) | |
5e805e44 JJ |
1241 | mask |= IOPARM_common_err; |
1242 | ||
1243 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1244 | |
f96d606f | 1245 | if (p->unit) |
e344505c JD |
1246 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, |
1247 | p->unit); | |
f96d606f JD |
1248 | else |
1249 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1250 | ||
628c189e | 1251 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1252 | tmp = build_call_expr_loc (input_location, |
1253 | function, 1, tmp); | |
6de9cd9a DN |
1254 | gfc_add_expr_to_block (&block, tmp); |
1255 | ||
7aba8abe TK |
1256 | gfc_add_block_to_block (&block, &post_block); |
1257 | ||
5e805e44 | 1258 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1259 | |
1260 | return gfc_finish_block (&block); | |
1261 | } | |
1262 | ||
1263 | ||
1264 | /* Translate a BACKSPACE statement. */ | |
1265 | ||
1266 | tree | |
1267 | gfc_trans_backspace (gfc_code * code) | |
1268 | { | |
5e805e44 | 1269 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1270 | } |
1271 | ||
1272 | ||
1273 | /* Translate an ENDFILE statement. */ | |
1274 | ||
1275 | tree | |
1276 | gfc_trans_endfile (gfc_code * code) | |
1277 | { | |
5e805e44 | 1278 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1279 | } |
1280 | ||
1281 | ||
1282 | /* Translate a REWIND statement. */ | |
1283 | ||
1284 | tree | |
1285 | gfc_trans_rewind (gfc_code * code) | |
1286 | { | |
5e805e44 | 1287 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1288 | } |
1289 | ||
1290 | ||
6403ec5f JB |
1291 | /* Translate a FLUSH statement. */ |
1292 | ||
1293 | tree | |
1294 | gfc_trans_flush (gfc_code * code) | |
1295 | { | |
5e805e44 | 1296 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1297 | } |
1298 | ||
1299 | ||
6de9cd9a DN |
1300 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1301 | ||
1302 | tree | |
1303 | gfc_trans_inquire (gfc_code * code) | |
1304 | { | |
1305 | stmtblock_t block, post_block; | |
1306 | gfc_inquire *p; | |
5e805e44 | 1307 | tree tmp, var; |
6f0f0b2e | 1308 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1309 | |
5e805e44 | 1310 | gfc_start_block (&block); |
6de9cd9a DN |
1311 | gfc_init_block (&post_block); |
1312 | ||
5e805e44 JJ |
1313 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1314 | "inquire_parm"); | |
1315 | ||
1316 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1317 | p = code->ext.inquire; |
1318 | ||
7aba8abe | 1319 | if (p->iomsg) |
5e805e44 JJ |
1320 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1321 | p->iomsg); | |
7aba8abe | 1322 | |
6de9cd9a | 1323 | if (p->iostat) |
5e805e44 JJ |
1324 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1325 | p->iostat); | |
6de9cd9a | 1326 | |
f96d606f JD |
1327 | if (p->err) |
1328 | mask |= IOPARM_common_err; | |
1329 | ||
1330 | /* Sanity check. */ | |
1331 | if (p->unit && p->file) | |
1332 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1333 | ||
1334 | if (p->file) | |
1335 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1336 | p->file); | |
1337 | ||
6de9cd9a | 1338 | if (p->exist) |
e344505c | 1339 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, |
c16dd6a8 | 1340 | p->exist); |
6de9cd9a DN |
1341 | |
1342 | if (p->opened) | |
5e805e44 JJ |
1343 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1344 | p->opened); | |
6de9cd9a DN |
1345 | |
1346 | if (p->number) | |
5e805e44 JJ |
1347 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1348 | p->number); | |
6de9cd9a DN |
1349 | |
1350 | if (p->named) | |
5e805e44 JJ |
1351 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1352 | p->named); | |
6de9cd9a DN |
1353 | |
1354 | if (p->name) | |
5e805e44 JJ |
1355 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1356 | p->name); | |
6de9cd9a DN |
1357 | |
1358 | if (p->access) | |
5e805e44 JJ |
1359 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1360 | p->access); | |
6de9cd9a DN |
1361 | |
1362 | if (p->sequential) | |
5e805e44 JJ |
1363 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1364 | p->sequential); | |
6de9cd9a DN |
1365 | |
1366 | if (p->direct) | |
5e805e44 JJ |
1367 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1368 | p->direct); | |
6de9cd9a DN |
1369 | |
1370 | if (p->form) | |
5e805e44 JJ |
1371 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1372 | p->form); | |
6de9cd9a DN |
1373 | |
1374 | if (p->formatted) | |
5e805e44 JJ |
1375 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1376 | p->formatted); | |
6de9cd9a DN |
1377 | |
1378 | if (p->unformatted) | |
5e805e44 JJ |
1379 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1380 | p->unformatted); | |
6de9cd9a DN |
1381 | |
1382 | if (p->recl) | |
5e805e44 JJ |
1383 | mask |= set_parameter_ref (&block, &post_block, var, |
1384 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1385 | |
1386 | if (p->nextrec) | |
5e805e44 JJ |
1387 | mask |= set_parameter_ref (&block, &post_block, var, |
1388 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1389 | |
1390 | if (p->blank) | |
5e805e44 JJ |
1391 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1392 | p->blank); | |
6de9cd9a | 1393 | |
d06b3496 JD |
1394 | if (p->delim) |
1395 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1396 | p->delim); | |
1397 | ||
6de9cd9a | 1398 | if (p->position) |
5e805e44 JJ |
1399 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1400 | p->position); | |
6de9cd9a DN |
1401 | |
1402 | if (p->action) | |
5e805e44 JJ |
1403 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1404 | p->action); | |
6de9cd9a DN |
1405 | |
1406 | if (p->read) | |
5e805e44 JJ |
1407 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1408 | p->read); | |
6de9cd9a DN |
1409 | |
1410 | if (p->write) | |
5e805e44 JJ |
1411 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1412 | p->write); | |
6de9cd9a DN |
1413 | |
1414 | if (p->readwrite) | |
5e805e44 JJ |
1415 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1416 | p->readwrite); | |
6de9cd9a | 1417 | |
dae24534 | 1418 | if (p->pad) |
5e805e44 JJ |
1419 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1420 | p->pad); | |
8019105d | 1421 | |
181c9f4a TK |
1422 | if (p->convert) |
1423 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1424 | p->convert); | |
1425 | ||
014ec6ee JD |
1426 | if (p->strm_pos) |
1427 | mask |= set_parameter_ref (&block, &post_block, var, | |
1428 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1429 | ||
6f0f0b2e JD |
1430 | /* The second series of flags. */ |
1431 | if (p->asynchronous) | |
1432 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1433 | p->asynchronous); | |
1434 | ||
1435 | if (p->decimal) | |
1436 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1437 | p->decimal); | |
1438 | ||
1439 | if (p->encoding) | |
1440 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1441 | p->encoding); | |
1442 | ||
1443 | if (p->round) | |
1444 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1445 | p->round); | |
1446 | ||
1447 | if (p->sign) | |
1448 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1449 | p->sign); | |
1450 | ||
1451 | if (p->pending) | |
1452 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1453 | IOPARM_inquire_pending, p->pending); | |
1454 | ||
1455 | if (p->size) | |
1456 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1457 | p->size); | |
1458 | ||
1459 | if (p->id) | |
d06b3496 JD |
1460 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1461 | p->id); | |
93e8af19 JD |
1462 | if (p->iqstream) |
1463 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_iqstream, | |
1464 | p->iqstream); | |
6f0f0b2e | 1465 | |
0ef33d44 FR |
1466 | if (p->share) |
1467 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_share, | |
1468 | p->share); | |
1469 | ||
1470 | if (p->cc) | |
1471 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_cc, p->cc); | |
1472 | ||
6f0f0b2e | 1473 | if (mask2) |
e1456843 | 1474 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1475 | |
5e805e44 | 1476 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1477 | |
f96d606f | 1478 | if (p->unit) |
e344505c JD |
1479 | { |
1480 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1481 | set_parameter_value_inquire (&block, var, IOPARM_common_unit, p->unit); | |
1482 | } | |
f96d606f JD |
1483 | else |
1484 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1485 | ||
628c189e | 1486 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1487 | tmp = build_call_expr_loc (input_location, |
1488 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1489 | gfc_add_expr_to_block (&block, tmp); |
1490 | ||
1491 | gfc_add_block_to_block (&block, &post_block); | |
1492 | ||
5e805e44 | 1493 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1494 | |
1495 | return gfc_finish_block (&block); | |
1496 | } | |
1497 | ||
6f0f0b2e JD |
1498 | |
1499 | tree | |
1500 | gfc_trans_wait (gfc_code * code) | |
1501 | { | |
1502 | stmtblock_t block, post_block; | |
1503 | gfc_wait *p; | |
1504 | tree tmp, var; | |
1505 | unsigned int mask = 0; | |
1506 | ||
1507 | gfc_start_block (&block); | |
1508 | gfc_init_block (&post_block); | |
1509 | ||
1510 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1511 | "wait_parm"); | |
1512 | ||
1513 | set_error_locus (&block, var, &code->loc); | |
1514 | p = code->ext.wait; | |
1515 | ||
1516 | /* Set parameters here. */ | |
1517 | if (p->iomsg) | |
1518 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1519 | p->iomsg); | |
1520 | ||
1521 | if (p->iostat) | |
1522 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1523 | p->iostat); | |
1524 | ||
1525 | if (p->err) | |
1526 | mask |= IOPARM_common_err; | |
1527 | ||
1528 | if (p->id) | |
e344505c | 1529 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); |
6f0f0b2e JD |
1530 | |
1531 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1532 | ||
1533 | if (p->unit) | |
e344505c | 1534 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
6f0f0b2e | 1535 | |
628c189e | 1536 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1537 | tmp = build_call_expr_loc (input_location, |
1538 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1539 | gfc_add_expr_to_block (&block, tmp); |
1540 | ||
1541 | gfc_add_block_to_block (&block, &post_block); | |
1542 | ||
1543 | io_result (&block, var, p->err, NULL, NULL); | |
1544 | ||
1545 | return gfc_finish_block (&block); | |
1546 | ||
1547 | } | |
1548 | ||
6de9cd9a | 1549 | |
29dc5138 | 1550 | /* nml_full_name builds up the fully qualified name of a |
3b111bd7 | 1551 | derived type component. '+' is used to denote a type extension. */ |
29dc5138 PT |
1552 | |
1553 | static char* | |
3b111bd7 | 1554 | nml_full_name (const char* var_name, const char* cmp_name, bool parent) |
6de9cd9a | 1555 | { |
29dc5138 PT |
1556 | int full_name_length; |
1557 | char * full_name; | |
1558 | ||
1559 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
93acb62c | 1560 | full_name = XCNEWVEC (char, full_name_length + 1); |
29dc5138 | 1561 | strcpy (full_name, var_name); |
3b111bd7 | 1562 | full_name = strcat (full_name, parent ? "+" : "%"); |
29dc5138 PT |
1563 | full_name = strcat (full_name, cmp_name); |
1564 | return full_name; | |
6de9cd9a DN |
1565 | } |
1566 | ||
19d36107 | 1567 | |
29dc5138 PT |
1568 | /* nml_get_addr_expr builds an address expression from the |
1569 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1570 | provided so that the address of an element of an array of | |
1571 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1572 | determine that span of the derived type. */ |
29dc5138 PT |
1573 | |
1574 | static tree | |
1575 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1576 | tree base_addr) | |
1577 | { | |
1578 | tree decl = NULL_TREE; | |
1579 | tree tmp; | |
29dc5138 PT |
1580 | |
1581 | if (sym) | |
1582 | { | |
1583 | sym->attr.referenced = 1; | |
1584 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1585 | |
1586 | /* If this is the enclosing function declaration, use | |
1587 | the fake result instead. */ | |
1588 | if (decl == current_function_decl) | |
1589 | decl = gfc_get_fake_result_decl (sym, 0); | |
1590 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1591 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1592 | } |
1593 | else | |
1594 | decl = c->backend_decl; | |
1595 | ||
d168c883 JJ |
1596 | gcc_assert (decl && (TREE_CODE (decl) == FIELD_DECL |
1597 | || VAR_P (decl) | |
1598 | || TREE_CODE (decl) == PARM_DECL | |
1599 | || TREE_CODE (decl) == COMPONENT_REF)); | |
29dc5138 PT |
1600 | |
1601 | tmp = decl; | |
1602 | ||
1603 | /* Build indirect reference, if dummy argument. */ | |
1604 | ||
19d36107 TB |
1605 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1606 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
29dc5138 PT |
1607 | |
1608 | /* Treat the component of a derived type, using base_addr for | |
1609 | the derived type. */ | |
1610 | ||
1611 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1612 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1613 | base_addr, tmp, NULL_TREE); | |
29dc5138 | 1614 | |
51cd6b78 JD |
1615 | if (GFC_CLASS_TYPE_P (TREE_TYPE (tmp)) |
1616 | && GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_class_data_get (tmp)))) | |
1617 | tmp = gfc_class_data_get (tmp); | |
1618 | ||
19d36107 TB |
1619 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1620 | tmp = gfc_conv_array_data (tmp); | |
1621 | else | |
1622 | { | |
1623 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1624 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
29dc5138 | 1625 | |
19d36107 TB |
1626 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1627 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
29dc5138 | 1628 | |
19d36107 TB |
1629 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1630 | tmp = build_fold_indirect_ref_loc (input_location, | |
db3927fb | 1631 | tmp); |
19d36107 | 1632 | } |
29dc5138 PT |
1633 | |
1634 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1635 | ||
1636 | return tmp; | |
1637 | } | |
3bc268e6 | 1638 | |
19d36107 | 1639 | |
29dc5138 | 1640 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1641 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1642 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1643 | |
29dc5138 | 1644 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1645 | |
1646 | static void | |
29dc5138 PT |
1647 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1648 | gfc_symbol * sym, gfc_component * c, | |
1649 | tree base_addr) | |
3bc268e6 | 1650 | { |
29dc5138 PT |
1651 | gfc_typespec * ts = NULL; |
1652 | gfc_array_spec * as = NULL; | |
1653 | tree addr_expr = NULL; | |
1654 | tree dt = NULL; | |
1655 | tree string; | |
1656 | tree tmp; | |
29dc5138 | 1657 | tree dtype; |
5e805e44 | 1658 | tree dt_parm_addr; |
19d36107 | 1659 | tree decl = NULL_TREE; |
0522a84e | 1660 | tree gfc_int4_type_node = gfc_get_int_type (4); |
e73d3ca6 PT |
1661 | tree dtio_proc = null_pointer_node; |
1662 | tree vtable = null_pointer_node; | |
8019105d | 1663 | int n_dim; |
29dc5138 PT |
1664 | int itype; |
1665 | int rank = 0; | |
3bc268e6 | 1666 | |
29dc5138 | 1667 | gcc_assert (sym || c); |
3bc268e6 | 1668 | |
29dc5138 PT |
1669 | /* Build the namelist object name. */ |
1670 | ||
1671 | string = gfc_build_cstring_const (var_name); | |
1672 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1673 | ||
1674 | /* Build ts, as and data address using symbol or component. */ | |
1675 | ||
51cd6b78 JD |
1676 | ts = sym ? &sym->ts : &c->ts; |
1677 | ||
1678 | if (ts->type != BT_CLASS) | |
1679 | as = sym ? sym->as : c->as; | |
1680 | else | |
1681 | as = sym ? CLASS_DATA (sym)->as : CLASS_DATA (c)->as; | |
29dc5138 PT |
1682 | |
1683 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1684 | ||
1685 | if (as) | |
1686 | rank = as->rank; | |
1687 | ||
1688 | if (rank) | |
3bc268e6 | 1689 | { |
51cd6b78 | 1690 | decl = sym ? sym->backend_decl : c->backend_decl; |
19d36107 TB |
1691 | if (sym && sym->attr.dummy) |
1692 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
51cd6b78 JD |
1693 | |
1694 | if (ts->type == BT_CLASS) | |
1695 | decl = gfc_class_data_get (decl); | |
19d36107 | 1696 | dt = TREE_TYPE (decl); |
29dc5138 | 1697 | dtype = gfc_get_dtype (dt); |
3bc268e6 | 1698 | } |
29dc5138 PT |
1699 | else |
1700 | { | |
a11930ba | 1701 | itype = ts->type; |
29dc5138 | 1702 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1703 | } |
1704 | ||
29dc5138 PT |
1705 | /* Build up the arguments for the transfer call. |
1706 | The call for the scalar part transfers: | |
1707 | (address, name, type, kind or string_length, dtype) */ | |
1708 | ||
628c189e | 1709 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 | 1710 | |
e73d3ca6 PT |
1711 | /* Check if the derived type has a specific DTIO for the mode. |
1712 | Note that although namelist io is forbidden to have a format | |
1713 | list, the specific subroutine is of the formatted kind. */ | |
cf474530 | 1714 | if (ts->type == BT_DERIVED || ts->type == BT_CLASS) |
e73d3ca6 | 1715 | { |
cf474530 JW |
1716 | gfc_symbol *derived; |
1717 | if (ts->type==BT_CLASS) | |
1718 | derived = ts->u.derived->components->ts.u.derived; | |
1719 | else | |
1720 | derived = ts->u.derived; | |
1721 | ||
1722 | gfc_symtree *tb_io_st = gfc_find_typebound_dtio_proc (derived, | |
1723 | last_dt == WRITE, true); | |
1724 | ||
1725 | if (ts->type == BT_CLASS && tb_io_st) | |
1726 | { | |
1727 | // polymorphic DTIO call (based on the dynamic type) | |
1728 | gfc_se se; | |
1729 | gfc_symtree *st = gfc_find_symtree (sym->ns->sym_root, sym->name); | |
1730 | // build vtable expr | |
1731 | gfc_expr *expr = gfc_get_variable_expr (st); | |
1732 | gfc_add_vptr_component (expr); | |
1733 | gfc_init_se (&se, NULL); | |
1734 | se.want_pointer = 1; | |
1735 | gfc_conv_expr (&se, expr); | |
1736 | vtable = se.expr; | |
1737 | // build dtio expr | |
1738 | gfc_add_component_ref (expr, | |
1739 | tb_io_st->n.tb->u.generic->specific_st->name); | |
1740 | gfc_init_se (&se, NULL); | |
1741 | se.want_pointer = 1; | |
1742 | gfc_conv_expr (&se, expr); | |
1743 | gfc_free_expr (expr); | |
1744 | dtio_proc = se.expr; | |
1745 | } | |
1746 | else | |
e73d3ca6 | 1747 | { |
cf474530 JW |
1748 | // non-polymorphic DTIO call (based on the declared type) |
1749 | gfc_symbol *dtio_sub = gfc_find_specific_dtio_proc (derived, | |
1750 | last_dt == WRITE, true); | |
1751 | if (dtio_sub != NULL) | |
1752 | { | |
1753 | dtio_proc = gfc_get_symbol_decl (dtio_sub); | |
1754 | dtio_proc = gfc_build_addr_expr (NULL, dtio_proc); | |
1755 | gfc_symbol *vtab = gfc_find_derived_vtab (derived); | |
1756 | vtable = vtab->backend_decl; | |
1757 | if (vtable == NULL_TREE) | |
1758 | vtable = gfc_get_symbol_decl (vtab); | |
1759 | vtable = gfc_build_addr_expr (pvoid_type_node, vtable); | |
1760 | } | |
e73d3ca6 PT |
1761 | } |
1762 | } | |
1763 | ||
29dc5138 | 1764 | if (ts->type == BT_CHARACTER) |
bc21d315 | 1765 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1766 | else |
5039610b | 1767 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
e73d3ca6 | 1768 | |
7f72e402 | 1769 | if (dtio_proc == null_pointer_node) |
e73d3ca6 PT |
1770 | tmp = build_call_expr_loc (input_location, |
1771 | iocall[IOCALL_SET_NML_VAL], 6, | |
1772 | dt_parm_addr, addr_expr, string, | |
1773 | build_int_cst (gfc_int4_type_node, ts->kind), | |
1774 | tmp, dtype); | |
1775 | else | |
1776 | tmp = build_call_expr_loc (input_location, | |
1777 | iocall[IOCALL_SET_NML_DTIO_VAL], 8, | |
1778 | dt_parm_addr, addr_expr, string, | |
1779 | build_int_cst (gfc_int4_type_node, ts->kind), | |
1780 | tmp, dtype, dtio_proc, vtable); | |
3bc268e6 | 1781 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1782 | |
1783 | /* If the object is an array, transfer rank times: | |
1784 | (null pointer, name, stride, lbound, ubound) */ | |
1785 | ||
1786 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1787 | { | |
db3927fb AH |
1788 | tmp = build_call_expr_loc (input_location, |
1789 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b | 1790 | dt_parm_addr, |
0522a84e | 1791 | build_int_cst (gfc_int4_type_node, n_dim), |
19d36107 TB |
1792 | gfc_conv_array_stride (decl, n_dim), |
1793 | gfc_conv_array_lbound (decl, n_dim), | |
1794 | gfc_conv_array_ubound (decl, n_dim)); | |
29dc5138 PT |
1795 | gfc_add_expr_to_block (block, tmp); |
1796 | } | |
1797 | ||
e73d3ca6 PT |
1798 | if (gfc_bt_struct (ts->type) && ts->u.derived->components |
1799 | && dtio_proc == null_pointer_node) | |
29dc5138 PT |
1800 | { |
1801 | gfc_component *cmp; | |
1802 | ||
1803 | /* Provide the RECORD_TYPE to build component references. */ | |
1804 | ||
db3927fb AH |
1805 | tree expr = build_fold_indirect_ref_loc (input_location, |
1806 | addr_expr); | |
29dc5138 | 1807 | |
bc21d315 | 1808 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 | 1809 | { |
3b111bd7 JD |
1810 | char *full_name = nml_full_name (var_name, cmp->name, |
1811 | ts->u.derived->attr.extension); | |
29dc5138 PT |
1812 | transfer_namelist_element (block, |
1813 | full_name, | |
1814 | NULL, cmp, expr); | |
cede9502 | 1815 | free (full_name); |
29dc5138 PT |
1816 | } |
1817 | } | |
3bc268e6 | 1818 | } |
6de9cd9a | 1819 | |
29dc5138 | 1820 | #undef IARG |
29dc5138 | 1821 | |
6de9cd9a DN |
1822 | /* Create a data transfer statement. Not all of the fields are valid |
1823 | for both reading and writing, but improper use has been filtered | |
1824 | out by now. */ | |
1825 | ||
1826 | static tree | |
5e805e44 | 1827 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1828 | { |
d4feb3d3 | 1829 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1830 | gfc_dt *dt; |
5e805e44 | 1831 | tree tmp, var; |
29dc5138 | 1832 | gfc_expr *nmlname; |
3bc268e6 | 1833 | gfc_namelist *nml; |
5e1bdeb7 | 1834 | unsigned int mask = 0; |
6de9cd9a | 1835 | |
5e805e44 | 1836 | gfc_start_block (&block); |
6de9cd9a | 1837 | gfc_init_block (&post_block); |
5e805e44 | 1838 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1839 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1840 | |
1841 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1842 | ||
1843 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1844 | |
5e805e44 JJ |
1845 | if (last_dt == IOLENGTH) |
1846 | { | |
1847 | gfc_inquire *inq; | |
1848 | ||
1849 | inq = code->ext.inquire; | |
6de9cd9a | 1850 | |
5e805e44 JJ |
1851 | /* First check that preconditions are met. */ |
1852 | gcc_assert (inq != NULL); | |
1853 | gcc_assert (inq->iolength != NULL); | |
1854 | ||
1855 | /* Connect to the iolength variable. */ | |
1856 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1857 | IOPARM_dt_iolength, inq->iolength); | |
1858 | dt = NULL; | |
1859 | } | |
1860 | else | |
1861 | { | |
1862 | dt = code->ext.dt; | |
1863 | gcc_assert (dt != NULL); | |
1864 | } | |
8750f9cd | 1865 | |
5e805e44 | 1866 | if (dt && dt->io_unit) |
6de9cd9a DN |
1867 | { |
1868 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1869 | { | |
d4feb3d3 PT |
1870 | mask |= set_internal_unit (&block, &post_iu_block, |
1871 | var, dt->io_unit); | |
c8dce2cf | 1872 | set_parameter_const (&block, var, IOPARM_common_unit, |
4a8d4422 JD |
1873 | dt->io_unit->ts.kind == 1 ? |
1874 | GFC_INTERNAL_UNIT : GFC_INTERNAL_UNIT4); | |
6de9cd9a | 1875 | } |
6de9cd9a | 1876 | } |
5e805e44 JJ |
1877 | else |
1878 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1879 | |
5e805e44 JJ |
1880 | if (dt) |
1881 | { | |
f96d606f JD |
1882 | if (dt->iomsg) |
1883 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1884 | dt->iomsg); | |
1885 | ||
1886 | if (dt->iostat) | |
1887 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1888 | IOPARM_common_iostat, dt->iostat); | |
1889 | ||
1890 | if (dt->err) | |
1891 | mask |= IOPARM_common_err; | |
1892 | ||
1893 | if (dt->eor) | |
1894 | mask |= IOPARM_common_eor; | |
1895 | ||
1896 | if (dt->end) | |
1897 | mask |= IOPARM_common_end; | |
1898 | ||
6f0f0b2e JD |
1899 | if (dt->id) |
1900 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1901 | IOPARM_dt_id, dt->id); | |
1902 | ||
1903 | if (dt->pos) | |
e344505c | 1904 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); |
6f0f0b2e JD |
1905 | |
1906 | if (dt->asynchronous) | |
e344505c JD |
1907 | mask |= set_string (&block, &post_block, var, |
1908 | IOPARM_dt_asynchronous, dt->asynchronous); | |
6f0f0b2e JD |
1909 | |
1910 | if (dt->blank) | |
1911 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1912 | dt->blank); | |
1913 | ||
1914 | if (dt->decimal) | |
1915 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1916 | dt->decimal); | |
1917 | ||
1918 | if (dt->delim) | |
1919 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1920 | dt->delim); | |
1921 | ||
1922 | if (dt->pad) | |
1923 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1924 | dt->pad); | |
1925 | ||
1926 | if (dt->round) | |
1927 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1928 | dt->round); | |
1929 | ||
1930 | if (dt->sign) | |
1931 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1932 | dt->sign); | |
1933 | ||
5e805e44 | 1934 | if (dt->rec) |
e344505c | 1935 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); |
6de9cd9a | 1936 | |
5e805e44 JJ |
1937 | if (dt->advance) |
1938 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1939 | dt->advance); | |
6de9cd9a | 1940 | |
5e805e44 | 1941 | if (dt->format_expr) |
9341698a | 1942 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1943 | dt->format_expr); |
6de9cd9a | 1944 | |
5e805e44 JJ |
1945 | if (dt->format_label) |
1946 | { | |
1947 | if (dt->format_label == &format_asterisk) | |
1948 | mask |= IOPARM_dt_list_format; | |
1949 | else | |
1950 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1951 | dt->format_label->format); | |
1952 | } | |
6de9cd9a | 1953 | |
5e805e44 JJ |
1954 | if (dt->size) |
1955 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1956 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1957 | |
4a8d4422 JD |
1958 | if (dt->udtio) |
1959 | mask |= IOPARM_dt_dtio; | |
1960 | ||
6869e9c6 FR |
1961 | if (dt->default_exp) |
1962 | mask |= IOPARM_dt_default_exp; | |
1963 | ||
5e805e44 JJ |
1964 | if (dt->namelist) |
1965 | { | |
1966 | if (dt->format_expr || dt->format_label) | |
1967 | gfc_internal_error ("build_dt: format with namelist"); | |
1968 | ||
b7e75771 JD |
1969 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1970 | dt->namelist->name, | |
1971 | strlen (dt->namelist->name)); | |
29dc5138 | 1972 | |
5e805e44 JJ |
1973 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1974 | nmlname); | |
29dc5138 | 1975 | |
76c1a7ec TB |
1976 | gfc_free_expr (nmlname); |
1977 | ||
5e805e44 JJ |
1978 | if (last_dt == READ) |
1979 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1980 | |
5e805e44 | 1981 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1982 | |
5e805e44 JJ |
1983 | dt_parm = var; |
1984 | ||
1985 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1986 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1987 | NULL, NULL_TREE); |
5e805e44 JJ |
1988 | } |
1989 | else | |
1990 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1991 | |
1992 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
e344505c JD |
1993 | set_parameter_value_chk (&block, dt->iostat, var, |
1994 | IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1995 | } |
5e805e44 JJ |
1996 | else |
1997 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1998 | |
628c189e | 1999 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 2000 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 2001 | function, 1, tmp); |
6de9cd9a DN |
2002 | gfc_add_expr_to_block (&block, tmp); |
2003 | ||
2004 | gfc_add_block_to_block (&block, &post_block); | |
2005 | ||
5e805e44 JJ |
2006 | dt_parm = var; |
2007 | dt_post_end_block = &post_end_block; | |
2008 | ||
bc51e726 JD |
2009 | /* Set implied do loop exit condition. */ |
2010 | if (last_dt == READ || last_dt == WRITE) | |
2011 | { | |
2012 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
2013 | ||
65a9ca82 TB |
2014 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
2015 | st_parameter[IOPARM_ptype_common].type, | |
2016 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
2017 | NULL_TREE); | |
2018 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
2019 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
2020 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
2021 | tmp, build_int_cst (TREE_TYPE (tmp), | |
2022 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
2023 | } |
2024 | else /* IOLENGTH */ | |
2025 | tmp = NULL_TREE; | |
2026 | ||
2027 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 2028 | |
d4feb3d3 PT |
2029 | gfc_add_block_to_block (&block, &post_iu_block); |
2030 | ||
5e805e44 JJ |
2031 | dt_parm = NULL; |
2032 | dt_post_end_block = NULL; | |
2033 | ||
6de9cd9a DN |
2034 | return gfc_finish_block (&block); |
2035 | } | |
2036 | ||
2037 | ||
8750f9cd JB |
2038 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
2039 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 2040 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
2041 | |
2042 | tree | |
2043 | gfc_trans_iolength (gfc_code * code) | |
2044 | { | |
8750f9cd | 2045 | last_dt = IOLENGTH; |
5e805e44 | 2046 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
2047 | } |
2048 | ||
2049 | ||
6de9cd9a DN |
2050 | /* Translate a READ statement. */ |
2051 | ||
2052 | tree | |
2053 | gfc_trans_read (gfc_code * code) | |
2054 | { | |
6de9cd9a | 2055 | last_dt = READ; |
5e805e44 | 2056 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
2057 | } |
2058 | ||
2059 | ||
2060 | /* Translate a WRITE statement */ | |
2061 | ||
2062 | tree | |
2063 | gfc_trans_write (gfc_code * code) | |
2064 | { | |
6de9cd9a | 2065 | last_dt = WRITE; |
5e805e44 | 2066 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
2067 | } |
2068 | ||
2069 | ||
2070 | /* Finish a data transfer statement. */ | |
2071 | ||
2072 | tree | |
2073 | gfc_trans_dt_end (gfc_code * code) | |
2074 | { | |
2075 | tree function, tmp; | |
2076 | stmtblock_t block; | |
2077 | ||
2078 | gfc_init_block (&block); | |
2079 | ||
8750f9cd JB |
2080 | switch (last_dt) |
2081 | { | |
2082 | case READ: | |
5e805e44 | 2083 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
2084 | break; |
2085 | ||
2086 | case WRITE: | |
5e805e44 | 2087 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
2088 | break; |
2089 | ||
2090 | case IOLENGTH: | |
5e805e44 | 2091 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
2092 | break; |
2093 | ||
2094 | default: | |
6e45f57b | 2095 | gcc_unreachable (); |
8750f9cd | 2096 | } |
6de9cd9a | 2097 | |
628c189e | 2098 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2099 | tmp = build_call_expr_loc (input_location, |
2100 | function, 1, tmp); | |
6de9cd9a | 2101 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
2102 | gfc_add_block_to_block (&block, dt_post_end_block); |
2103 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 2104 | |
8750f9cd JB |
2105 | if (last_dt != IOLENGTH) |
2106 | { | |
6e45f57b | 2107 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 2108 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
2109 | code->ext.dt->end, code->ext.dt->eor); |
2110 | } | |
6de9cd9a DN |
2111 | |
2112 | return gfc_finish_block (&block); | |
2113 | } | |
2114 | ||
d2ccf6aa | 2115 | static void |
e73d3ca6 PT |
2116 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, |
2117 | gfc_code * code, tree vptr); | |
d2ccf6aa VL |
2118 | |
2119 | /* Given an array field in a derived type variable, generate the code | |
2120 | for the loop that iterates over array elements, and the code that | |
2121 | accesses those array elements. Use transfer_expr to generate code | |
2122 | for transferring that element. Because elements may also be | |
2123 | derived types, transfer_expr and transfer_array_component are mutually | |
2124 | recursive. */ | |
2125 | ||
2126 | static tree | |
bdfd2ff0 | 2127 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
2128 | { |
2129 | tree tmp; | |
2130 | stmtblock_t body; | |
2131 | stmtblock_t block; | |
2132 | gfc_loopinfo loop; | |
2133 | int n; | |
2134 | gfc_ss *ss; | |
2135 | gfc_se se; | |
08dcec61 | 2136 | gfc_array_info *ss_array; |
d2ccf6aa VL |
2137 | |
2138 | gfc_start_block (&block); | |
2139 | gfc_init_se (&se, NULL); | |
2140 | ||
2141 | /* Create and initialize Scalarization Status. Unlike in | |
2142 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
2143 | care of this task, because we don't have a gfc_expr at hand. | |
2144 | Build one manually, as in gfc_trans_subarray_assign. */ | |
2145 | ||
66877276 MM |
2146 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
2147 | GFC_SS_COMPONENT); | |
1838afec | 2148 | ss_array = &ss->info->data.array; |
08dcec61 MM |
2149 | ss_array->shape = gfc_get_shape (cm->as->rank); |
2150 | ss_array->descriptor = expr; | |
2151 | ss_array->data = gfc_conv_array_data (expr); | |
2152 | ss_array->offset = gfc_conv_array_offset (expr); | |
d2ccf6aa VL |
2153 | for (n = 0; n < cm->as->rank; n++) |
2154 | { | |
08dcec61 MM |
2155 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
2156 | ss_array->stride[n] = gfc_index_one_node; | |
d2ccf6aa | 2157 | |
08dcec61 MM |
2158 | mpz_init (ss_array->shape[n]); |
2159 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
d2ccf6aa | 2160 | cm->as->lower[n]->value.integer); |
08dcec61 | 2161 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
d2ccf6aa VL |
2162 | } |
2163 | ||
f7b529fa | 2164 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
2165 | |
2166 | gfc_init_loopinfo (&loop); | |
2167 | gfc_add_ss_to_loop (&loop, ss); | |
2168 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 2169 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
2170 | gfc_mark_ss_chain_used (ss, 1); |
2171 | gfc_start_scalarized_body (&loop, &body); | |
2172 | ||
2173 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2174 | se.ss = ss; | |
2175 | ||
2176 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
2177 | se.expr = expr; | |
2178 | gfc_conv_tmp_array_ref (&se); | |
2179 | ||
2180 | /* Now se.expr contains an element of the array. Take the address and pass | |
2181 | it to the IO routines. */ | |
628c189e | 2182 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
e73d3ca6 | 2183 | transfer_expr (&se, &cm->ts, tmp, NULL, NULL_TREE); |
d2ccf6aa VL |
2184 | |
2185 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 2186 | return. */ |
d2ccf6aa VL |
2187 | |
2188 | gfc_add_block_to_block (&body, &se.pre); | |
2189 | gfc_add_block_to_block (&body, &se.post); | |
2190 | ||
2191 | gfc_trans_scalarizing_loops (&loop, &body); | |
2192 | ||
2193 | gfc_add_block_to_block (&block, &loop.pre); | |
2194 | gfc_add_block_to_block (&block, &loop.post); | |
2195 | ||
08dcec61 MM |
2196 | gcc_assert (ss_array->shape != NULL); |
2197 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
96654664 PB |
2198 | gfc_cleanup_loop (&loop); |
2199 | ||
d2ccf6aa VL |
2200 | return gfc_finish_block (&block); |
2201 | } | |
6de9cd9a | 2202 | |
e73d3ca6 PT |
2203 | |
2204 | /* Helper function for transfer_expr that looks for the DTIO procedure | |
2205 | either as a typebound binding or in a generic interface. If present, | |
2206 | the address expression of the procedure is returned. It is assumed | |
2207 | that the procedure interface has been checked during resolution. */ | |
2208 | ||
2209 | static tree | |
2210 | get_dtio_proc (gfc_typespec * ts, gfc_code * code, gfc_symbol **dtio_sub) | |
2211 | { | |
2212 | gfc_symbol *derived; | |
2213 | bool formatted = false; | |
2214 | gfc_dt *dt = code->ext.dt; | |
2215 | ||
bef016bf | 2216 | if (dt) |
e73d3ca6 | 2217 | { |
bef016bf JD |
2218 | char *fmt = NULL; |
2219 | ||
2220 | if (dt->format_label == &format_asterisk) | |
2221 | { | |
2222 | /* List directed io must call the formatted DTIO procedure. */ | |
2223 | formatted = true; | |
2224 | } | |
2225 | else if (dt->format_expr) | |
2226 | fmt = gfc_widechar_to_char (dt->format_expr->value.character.string, | |
2227 | -1); | |
2228 | else if (dt->format_label) | |
2229 | fmt = gfc_widechar_to_char (dt->format_label->format->value.character.string, | |
2230 | -1); | |
2231 | if (fmt && strtok (fmt, "DT") != NULL) | |
e73d3ca6 | 2232 | formatted = true; |
bef016bf | 2233 | |
e73d3ca6 PT |
2234 | } |
2235 | ||
707024b2 JW |
2236 | if (ts->type == BT_CLASS) |
2237 | derived = ts->u.derived->components->ts.u.derived; | |
2238 | else | |
2239 | derived = ts->u.derived; | |
2240 | ||
2241 | gfc_symtree *tb_io_st = gfc_find_typebound_dtio_proc (derived, | |
2242 | last_dt == WRITE, formatted); | |
2243 | if (ts->type == BT_CLASS && tb_io_st) | |
e4e659b9 | 2244 | { |
707024b2 JW |
2245 | // polymorphic DTIO call (based on the dynamic type) |
2246 | gfc_se se; | |
2247 | gfc_expr *expr = gfc_find_and_cut_at_last_class_ref (code->expr1); | |
2248 | gfc_add_vptr_component (expr); | |
2249 | gfc_add_component_ref (expr, | |
2250 | tb_io_st->n.tb->u.generic->specific_st->name); | |
2251 | *dtio_sub = tb_io_st->n.tb->u.generic->specific->u.specific->n.sym; | |
2252 | gfc_init_se (&se, NULL); | |
2253 | se.want_pointer = 1; | |
2254 | gfc_conv_expr (&se, expr); | |
2255 | gfc_free_expr (expr); | |
2256 | return se.expr; | |
2257 | } | |
2258 | else | |
2259 | { | |
2260 | // non-polymorphic DTIO call (based on the declared type) | |
e4e659b9 JW |
2261 | *dtio_sub = gfc_find_specific_dtio_proc (derived, last_dt == WRITE, |
2262 | formatted); | |
2263 | ||
2264 | if (*dtio_sub) | |
2265 | return gfc_build_addr_expr (NULL, gfc_get_symbol_decl (*dtio_sub)); | |
2266 | } | |
e73d3ca6 PT |
2267 | |
2268 | return NULL_TREE; | |
e73d3ca6 PT |
2269 | } |
2270 | ||
6de9cd9a DN |
2271 | /* Generate the call for a scalar transfer node. */ |
2272 | ||
2273 | static void | |
e73d3ca6 PT |
2274 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, |
2275 | gfc_code * code, tree vptr) | |
6de9cd9a | 2276 | { |
8a221914 | 2277 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2278 | gfc_component *c; |
2279 | int kind; | |
2280 | ||
a8b3b0b6 CR |
2281 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2282 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2283 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2284 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2285 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2286 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2287 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2288 | && ts->u.derived != NULL | |
2289 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2290 | { |
cadddfdd TB |
2291 | ts->type = BT_INTEGER; |
2292 | ts->kind = gfc_index_integer_kind; | |
a8b3b0b6 | 2293 | } |
8019105d | 2294 | |
6de9cd9a DN |
2295 | kind = ts->kind; |
2296 | function = NULL; | |
2297 | arg2 = NULL; | |
8a221914 | 2298 | arg3 = NULL; |
6de9cd9a DN |
2299 | |
2300 | switch (ts->type) | |
2301 | { | |
2302 | case BT_INTEGER: | |
df09d1d5 | 2303 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2304 | if (last_dt == READ) |
2305 | function = iocall[IOCALL_X_INTEGER]; | |
2306 | else | |
2307 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2308 | ||
6de9cd9a DN |
2309 | break; |
2310 | ||
2311 | case BT_REAL: | |
df09d1d5 | 2312 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2313 | if (last_dt == READ) |
1ec601bf FXC |
2314 | { |
2315 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2316 | function = iocall[IOCALL_X_REAL128]; | |
2317 | else | |
2318 | function = iocall[IOCALL_X_REAL]; | |
2319 | } | |
6eb6875d | 2320 | else |
1ec601bf FXC |
2321 | { |
2322 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2323 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2324 | else | |
2325 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2326 | } | |
6eb6875d | 2327 | |
6de9cd9a DN |
2328 | break; |
2329 | ||
2330 | case BT_COMPLEX: | |
df09d1d5 | 2331 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2332 | if (last_dt == READ) |
1ec601bf FXC |
2333 | { |
2334 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2335 | function = iocall[IOCALL_X_COMPLEX128]; | |
2336 | else | |
2337 | function = iocall[IOCALL_X_COMPLEX]; | |
2338 | } | |
6eb6875d | 2339 | else |
1ec601bf FXC |
2340 | { |
2341 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2342 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2343 | else | |
2344 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2345 | } | |
6eb6875d | 2346 | |
6de9cd9a DN |
2347 | break; |
2348 | ||
2349 | case BT_LOGICAL: | |
df09d1d5 | 2350 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2351 | if (last_dt == READ) |
2352 | function = iocall[IOCALL_X_LOGICAL]; | |
2353 | else | |
2354 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2355 | ||
6de9cd9a DN |
2356 | break; |
2357 | ||
2358 | case BT_CHARACTER: | |
8a221914 JD |
2359 | if (kind == 4) |
2360 | { | |
2361 | if (se->string_length) | |
2362 | arg2 = se->string_length; | |
2363 | else | |
2364 | { | |
db3927fb AH |
2365 | tmp = build_fold_indirect_ref_loc (input_location, |
2366 | addr_expr); | |
8a221914 JD |
2367 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2368 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2369 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2370 | } | |
df09d1d5 | 2371 | arg3 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2372 | if (last_dt == READ) |
2373 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2374 | else | |
2375 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
8019105d | 2376 | |
628c189e | 2377 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2378 | tmp = build_call_expr_loc (input_location, |
2379 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2380 | gfc_add_expr_to_block (&se->pre, tmp); |
2381 | gfc_add_block_to_block (&se->pre, &se->post); | |
2382 | return; | |
2383 | } | |
1cc0e193 | 2384 | /* Fall through. */ |
7b95e2a8 | 2385 | case BT_HOLLERITH: |
d2ccf6aa VL |
2386 | if (se->string_length) |
2387 | arg2 = se->string_length; | |
2388 | else | |
2389 | { | |
db3927fb AH |
2390 | tmp = build_fold_indirect_ref_loc (input_location, |
2391 | addr_expr); | |
d2ccf6aa VL |
2392 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2393 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2394 | } | |
6eb6875d TK |
2395 | if (last_dt == READ) |
2396 | function = iocall[IOCALL_X_CHARACTER]; | |
2397 | else | |
2398 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2399 | ||
6de9cd9a DN |
2400 | break; |
2401 | ||
f6288c24 | 2402 | case_bt_struct: |
e73d3ca6 | 2403 | case BT_CLASS: |
fc2655fb TB |
2404 | if (ts->u.derived->components == NULL) |
2405 | return; | |
9b460e2e | 2406 | if (gfc_bt_struct (ts->type) || ts->type == BT_CLASS) |
e73d3ca6 PT |
2407 | { |
2408 | gfc_symbol *derived; | |
2409 | gfc_symbol *dtio_sub = NULL; | |
2410 | /* Test for a specific DTIO subroutine. */ | |
2411 | if (ts->type == BT_DERIVED) | |
2412 | derived = ts->u.derived; | |
2413 | else | |
2414 | derived = ts->u.derived->components->ts.u.derived; | |
fc2655fb | 2415 | |
e73d3ca6 PT |
2416 | if (derived->attr.has_dtio_procs) |
2417 | arg2 = get_dtio_proc (ts, code, &dtio_sub); | |
6de9cd9a | 2418 | |
6c0347f6 | 2419 | if ((dtio_sub != NULL) && (last_dt != IOLENGTH)) |
e73d3ca6 PT |
2420 | { |
2421 | tree decl; | |
2422 | decl = build_fold_indirect_ref_loc (input_location, | |
2423 | se->expr); | |
2424 | /* Remember that the first dummy of the DTIO subroutines | |
2425 | is CLASS(derived) for extensible derived types, so the | |
2426 | conversion must be done here for derived type and for | |
2427 | scalarized CLASS array element io-list objects. */ | |
2428 | if ((ts->type == BT_DERIVED | |
2429 | && !(ts->u.derived->attr.sequence | |
2430 | || ts->u.derived->attr.is_bind_c)) | |
2431 | || (ts->type == BT_CLASS | |
2432 | && !GFC_CLASS_TYPE_P (TREE_TYPE (decl)))) | |
2433 | gfc_conv_derived_to_class (se, code->expr1, | |
2434 | dtio_sub->formal->sym->ts, | |
2435 | vptr, false, false); | |
2436 | addr_expr = se->expr; | |
2437 | function = iocall[IOCALL_X_DERIVED]; | |
2438 | break; | |
2439 | } | |
9b460e2e | 2440 | else if (gfc_bt_struct (ts->type)) |
e73d3ca6 PT |
2441 | { |
2442 | /* Recurse into the elements of the derived type. */ | |
2443 | expr = gfc_evaluate_now (addr_expr, &se->pre); | |
2444 | expr = build_fold_indirect_ref_loc (input_location, | |
2445 | expr); | |
8019105d | 2446 | |
e73d3ca6 PT |
2447 | /* Make sure that the derived type has been built. An external |
2448 | function, if only referenced in an io statement, requires this | |
2449 | check (see PR58771). */ | |
2450 | if (ts->u.derived->backend_decl == NULL_TREE) | |
2451 | (void) gfc_typenode_for_spec (ts); | |
2452 | ||
2453 | for (c = ts->u.derived->components; c; c = c->next) | |
2454 | { | |
2455 | field = c->backend_decl; | |
2456 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); | |
2457 | ||
2458 | tmp = fold_build3_loc (UNKNOWN_LOCATION, | |
2459 | COMPONENT_REF, TREE_TYPE (field), | |
2460 | expr, field, NULL_TREE); | |
2461 | ||
2462 | if (c->attr.dimension) | |
2463 | { | |
2464 | tmp = transfer_array_component (tmp, c, & code->loc); | |
2465 | gfc_add_expr_to_block (&se->pre, tmp); | |
2466 | } | |
2467 | else | |
2468 | { | |
2469 | if (!c->attr.pointer) | |
2470 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
2471 | transfer_expr (se, &c->ts, tmp, code, NULL_TREE); | |
2472 | } | |
2473 | } | |
2474 | return; | |
2475 | } | |
2476 | /* If a CLASS object gets through to here, fall through and ICE. */ | |
6de9cd9a | 2477 | } |
81fea426 | 2478 | gcc_fallthrough (); |
6de9cd9a | 2479 | default: |
17d5d49f | 2480 | gfc_internal_error ("Bad IO basetype (%d)", ts->type); |
6de9cd9a DN |
2481 | } |
2482 | ||
628c189e | 2483 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2484 | tmp = build_call_expr_loc (input_location, |
2485 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2486 | gfc_add_expr_to_block (&se->pre, tmp); |
2487 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2488 | |
6de9cd9a DN |
2489 | } |
2490 | ||
2491 | ||
18623fae JB |
2492 | /* Generate a call to pass an array descriptor to the IO library. The |
2493 | array should be of one of the intrinsic types. */ | |
2494 | ||
2495 | static void | |
2496 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2497 | { | |
6eb6875d | 2498 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2499 | |
2500 | if (ts->type == BT_CHARACTER) | |
2501 | charlen_arg = se->string_length; | |
2502 | else | |
df09d1d5 | 2503 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
18623fae | 2504 | |
df09d1d5 | 2505 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
e5ef4b3b | 2506 | |
628c189e | 2507 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2508 | if (last_dt == READ) |
2509 | io_call = iocall[IOCALL_X_ARRAY]; | |
2510 | else | |
2511 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2512 | ||
033e7d21 | 2513 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2514 | io_call, 4, |
5039610b | 2515 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2516 | gfc_add_expr_to_block (&se->pre, tmp); |
2517 | gfc_add_block_to_block (&se->pre, &se->post); | |
2518 | } | |
2519 | ||
2520 | ||
6de9cd9a DN |
2521 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2522 | ||
2523 | tree | |
2524 | gfc_trans_transfer (gfc_code * code) | |
2525 | { | |
2526 | stmtblock_t block, body; | |
2527 | gfc_loopinfo loop; | |
2528 | gfc_expr *expr; | |
99c7ab42 | 2529 | gfc_ref *ref; |
6de9cd9a DN |
2530 | gfc_ss *ss; |
2531 | gfc_se se; | |
2532 | tree tmp; | |
e73d3ca6 | 2533 | tree vptr; |
c63173dd | 2534 | int n; |
6de9cd9a DN |
2535 | |
2536 | gfc_start_block (&block); | |
18623fae | 2537 | gfc_init_block (&body); |
6de9cd9a | 2538 | |
a513927a | 2539 | expr = code->expr1; |
99c7ab42 | 2540 | ref = NULL; |
6de9cd9a DN |
2541 | gfc_init_se (&se, NULL); |
2542 | ||
2960a368 | 2543 | if (expr->rank == 0) |
18623fae | 2544 | { |
815d8045 | 2545 | /* Transfer a scalar value. */ |
e73d3ca6 PT |
2546 | if (expr->ts.type == BT_CLASS) |
2547 | { | |
2548 | se.want_pointer = 1; | |
2549 | gfc_conv_expr (&se, expr); | |
2550 | vptr = gfc_get_vptr_from_expr (se.expr); | |
2551 | } | |
2552 | else | |
2553 | { | |
2554 | vptr = NULL_TREE; | |
2555 | gfc_conv_expr_reference (&se, expr); | |
2556 | } | |
2557 | transfer_expr (&se, &expr->ts, se.expr, code, vptr); | |
18623fae | 2558 | } |
815d8045 | 2559 | else |
6de9cd9a | 2560 | { |
99c7ab42 PT |
2561 | /* Transfer an array. If it is an array of an intrinsic |
2562 | type, pass the descriptor to the library. Otherwise | |
2563 | scalarize the transfer. */ | |
2a573572 | 2564 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
99c7ab42 PT |
2565 | { |
2566 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
fc2655fb TB |
2567 | ref = ref->next); |
2568 | gcc_assert (ref && ref->type == REF_ARRAY); | |
99c7ab42 PT |
2569 | } |
2570 | ||
ff3598bc PT |
2571 | if (expr->ts.type != BT_CLASS |
2572 | && expr->expr_type == EXPR_VARIABLE | |
2573 | && gfc_expr_attr (expr).pointer) | |
2574 | goto scalarize; | |
2575 | ||
2576 | ||
e73d3ca6 PT |
2577 | if (!(gfc_bt_struct (expr->ts.type) |
2578 | || expr->ts.type == BT_CLASS) | |
1d6b7f39 PT |
2579 | && ref && ref->next == NULL |
2580 | && !is_subref_array (expr)) | |
815d8045 | 2581 | { |
c63173dd PT |
2582 | bool seen_vector = false; |
2583 | ||
2584 | if (ref && ref->u.ar.type == AR_SECTION) | |
2585 | { | |
2586 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2587 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
502af491 PCC |
2588 | { |
2589 | seen_vector = true; | |
2590 | break; | |
2591 | } | |
c63173dd PT |
2592 | } |
2593 | ||
2594 | if (seen_vector && last_dt == READ) | |
2595 | { | |
2596 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2597 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2598 | tmp = se.expr; |
2599 | } | |
2600 | else | |
2601 | { | |
2602 | /* Get the descriptor. */ | |
2960a368 | 2603 | gfc_conv_expr_descriptor (&se, expr); |
628c189e | 2604 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2605 | } |
2606 | ||
99c7ab42 PT |
2607 | transfer_array_desc (&se, &expr->ts, tmp); |
2608 | goto finish_block_label; | |
815d8045 | 2609 | } |
2960a368 | 2610 | |
ff3598bc | 2611 | scalarize: |
6de9cd9a | 2612 | /* Initialize the scalarizer. */ |
2960a368 | 2613 | ss = gfc_walk_expr (expr); |
6de9cd9a DN |
2614 | gfc_init_loopinfo (&loop); |
2615 | gfc_add_ss_to_loop (&loop, ss); | |
2616 | ||
2617 | /* Initialize the loop. */ | |
2618 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2619 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2620 | |
2621 | /* The main loop body. */ | |
2622 | gfc_mark_ss_chain_used (ss, 1); | |
2623 | gfc_start_scalarized_body (&loop, &body); | |
2624 | ||
2625 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2626 | se.ss = ss; | |
ff3598bc | 2627 | |
18623fae | 2628 | gfc_conv_expr_reference (&se, expr); |
ff3598bc | 2629 | |
e73d3ca6 PT |
2630 | if (expr->ts.type == BT_CLASS) |
2631 | vptr = gfc_get_vptr_from_expr (ss->info->data.array.descriptor); | |
2632 | else | |
2633 | vptr = NULL_TREE; | |
2634 | transfer_expr (&se, &expr->ts, se.expr, code, vptr); | |
18623fae | 2635 | } |
815d8045 JB |
2636 | |
2637 | finish_block_label: | |
6de9cd9a DN |
2638 | |
2639 | gfc_add_block_to_block (&body, &se.pre); | |
2640 | gfc_add_block_to_block (&body, &se.post); | |
2641 | ||
2642 | if (se.ss == NULL) | |
2643 | tmp = gfc_finish_block (&body); | |
2644 | else | |
2645 | { | |
770caa74 | 2646 | gcc_assert (expr->rank != 0); |
6e45f57b | 2647 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2648 | gfc_trans_scalarizing_loops (&loop, &body); |
2649 | ||
2650 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2651 | tmp = gfc_finish_block (&loop.pre); | |
2652 | gfc_cleanup_loop (&loop); | |
2653 | } | |
2654 | ||
2655 | gfc_add_expr_to_block (&block, tmp); | |
2656 | ||
d2ccf6aa | 2657 | return gfc_finish_block (&block); |
6de9cd9a DN |
2658 | } |
2659 | ||
2660 | #include "gt-fortran-trans-io.h" |