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6de9cd9a | 1 | /* IO Code translation/library interface |
818ab71a | 2 | Copyright (C) 2002-2016 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" | |
35 | ||
6de9cd9a DN |
36 | /* Members of the ioparm structure. */ |
37 | ||
5e805e44 JJ |
38 | enum ioparam_type |
39 | { | |
40 | IOPARM_ptype_common, | |
41 | IOPARM_ptype_open, | |
42 | IOPARM_ptype_close, | |
43 | IOPARM_ptype_filepos, | |
44 | IOPARM_ptype_inquire, | |
45 | IOPARM_ptype_dt, | |
6f0f0b2e | 46 | IOPARM_ptype_wait, |
5e805e44 JJ |
47 | IOPARM_ptype_num |
48 | }; | |
49 | ||
50 | enum iofield_type | |
51 | { | |
52 | IOPARM_type_int4, | |
014ec6ee | 53 | IOPARM_type_intio, |
5e805e44 | 54 | IOPARM_type_pint4, |
014ec6ee | 55 | IOPARM_type_pintio, |
5e805e44 JJ |
56 | IOPARM_type_pchar, |
57 | IOPARM_type_parray, | |
58 | IOPARM_type_pad, | |
59 | IOPARM_type_char1, | |
60 | IOPARM_type_char2, | |
61 | IOPARM_type_common, | |
62 | IOPARM_type_num | |
63 | }; | |
64 | ||
d1b38208 | 65 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
66 | const char *name; |
67 | unsigned int mask; | |
68 | enum ioparam_type param_type; | |
69 | enum iofield_type type; | |
70 | tree field; | |
71 | tree field_len; | |
72 | } | |
73 | gfc_st_parameter_field; | |
6de9cd9a | 74 | |
d1b38208 | 75 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
76 | const char *name; |
77 | tree type; | |
78 | } | |
79 | gfc_st_parameter; | |
80 | ||
81 | enum iofield | |
82 | { | |
83 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
84 | #include "ioparm.def" | |
85 | #undef IOPARM | |
86 | IOPARM_field_num | |
87 | }; | |
88 | ||
89 | static GTY(()) gfc_st_parameter st_parameter[] = | |
90 | { | |
91 | { "common", NULL }, | |
92 | { "open", NULL }, | |
93 | { "close", NULL }, | |
94 | { "filepos", NULL }, | |
95 | { "inquire", NULL }, | |
6f0f0b2e JD |
96 | { "dt", NULL }, |
97 | { "wait", NULL } | |
5e805e44 JJ |
98 | }; |
99 | ||
100 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
101 | { | |
102 | #define IOPARM(param_type, name, mask, type) \ | |
103 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
104 | #include "ioparm.def" | |
105 | #undef IOPARM | |
81f40b79 | 106 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 107 | }; |
6de9cd9a DN |
108 | |
109 | /* Library I/O subroutines */ | |
110 | ||
5e805e44 JJ |
111 | enum iocall |
112 | { | |
113 | IOCALL_READ, | |
114 | IOCALL_READ_DONE, | |
115 | IOCALL_WRITE, | |
116 | IOCALL_WRITE_DONE, | |
117 | IOCALL_X_INTEGER, | |
6eb6875d | 118 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 119 | IOCALL_X_LOGICAL, |
6eb6875d | 120 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 121 | IOCALL_X_CHARACTER, |
6eb6875d | 122 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 123 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 124 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 125 | IOCALL_X_REAL, |
6eb6875d | 126 | IOCALL_X_REAL_WRITE, |
5e805e44 | 127 | IOCALL_X_COMPLEX, |
6eb6875d | 128 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
129 | IOCALL_X_REAL128, |
130 | IOCALL_X_REAL128_WRITE, | |
131 | IOCALL_X_COMPLEX128, | |
132 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 133 | IOCALL_X_ARRAY, |
6eb6875d | 134 | IOCALL_X_ARRAY_WRITE, |
e73d3ca6 | 135 | IOCALL_X_DERIVED, |
5e805e44 JJ |
136 | IOCALL_OPEN, |
137 | IOCALL_CLOSE, | |
138 | IOCALL_INQUIRE, | |
139 | IOCALL_IOLENGTH, | |
140 | IOCALL_IOLENGTH_DONE, | |
141 | IOCALL_REWIND, | |
142 | IOCALL_BACKSPACE, | |
143 | IOCALL_ENDFILE, | |
144 | IOCALL_FLUSH, | |
145 | IOCALL_SET_NML_VAL, | |
e73d3ca6 | 146 | IOCALL_SET_NML_DTIO_VAL, |
5e805e44 | 147 | IOCALL_SET_NML_VAL_DIM, |
6f0f0b2e | 148 | IOCALL_WAIT, |
5e805e44 JJ |
149 | IOCALL_NUM |
150 | }; | |
151 | ||
152 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
153 | |
154 | /* Variable for keeping track of what the last data transfer statement | |
155 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 156 | transfer is complete. */ |
8750f9cd | 157 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 158 | |
5e805e44 JJ |
159 | /* The data transfer parameter block that should be shared by all |
160 | data transfer calls belonging to the same read/write/iolength. */ | |
161 | static GTY(()) tree dt_parm; | |
162 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 163 | |
5e805e44 JJ |
164 | static void |
165 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
166 | { | |
32e8bb8e | 167 | unsigned int type; |
5e805e44 JJ |
168 | gfc_st_parameter_field *p; |
169 | char name[64]; | |
170 | size_t len; | |
171 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 172 | tree *chain = NULL; |
5e805e44 JJ |
173 | |
174 | len = strlen (st_parameter[ptype].name); | |
175 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
176 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
177 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 178 | len + 1); |
5e805e44 JJ |
179 | TYPE_NAME (t) = get_identifier (name); |
180 | ||
181 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
182 | if (p->param_type == ptype) | |
183 | switch (p->type) | |
184 | { | |
185 | case IOPARM_type_int4: | |
014ec6ee | 186 | case IOPARM_type_intio: |
5e805e44 | 187 | case IOPARM_type_pint4: |
014ec6ee | 188 | case IOPARM_type_pintio: |
5e805e44 JJ |
189 | case IOPARM_type_parray: |
190 | case IOPARM_type_pchar: | |
191 | case IOPARM_type_pad: | |
35151cd5 | 192 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 193 | types[p->type], &chain); |
5e805e44 JJ |
194 | break; |
195 | case IOPARM_type_char1: | |
35151cd5 | 196 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 197 | pchar_type_node, &chain); |
5e805e44 JJ |
198 | /* FALLTHROUGH */ |
199 | case IOPARM_type_char2: | |
200 | len = strlen (p->name); | |
201 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
202 | memcpy (name, p->name, len); | |
203 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 204 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
205 | gfc_charlen_type_node, |
206 | &chain); | |
5e805e44 | 207 | if (p->type == IOPARM_type_char2) |
35151cd5 | 208 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 209 | pchar_type_node, &chain); |
5e805e44 JJ |
210 | break; |
211 | case IOPARM_type_common: | |
212 | p->field | |
35151cd5 | 213 | = gfc_add_field_to_struct (t, |
5e805e44 | 214 | get_identifier (p->name), |
dfd6ece2 NF |
215 | st_parameter[IOPARM_ptype_common].type, |
216 | &chain); | |
5e805e44 JJ |
217 | break; |
218 | case IOPARM_type_num: | |
219 | gcc_unreachable (); | |
220 | } | |
6de9cd9a | 221 | |
5e805e44 JJ |
222 | gfc_finish_type (t); |
223 | st_parameter[ptype].type = t; | |
224 | } | |
6de9cd9a | 225 | |
f96d606f JD |
226 | |
227 | /* Build code to test an error condition and call generate_error if needed. | |
228 | Note: This builds calls to generate_error in the runtime library function. | |
229 | The function generate_error is dependent on certain parameters in the | |
230 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
231 | Therefore, the code to set these flags must be generated before | |
232 | this function is used. */ | |
233 | ||
ed9c79e1 JJ |
234 | static void |
235 | gfc_trans_io_runtime_check (bool has_iostat, tree cond, tree var, | |
236 | int error_code, const char * msgid, | |
237 | stmtblock_t * pblock) | |
f96d606f JD |
238 | { |
239 | stmtblock_t block; | |
240 | tree body; | |
241 | tree tmp; | |
242 | tree arg1, arg2, arg3; | |
243 | char *message; | |
244 | ||
245 | if (integer_zerop (cond)) | |
246 | return; | |
247 | ||
248 | /* The code to generate the error. */ | |
249 | gfc_start_block (&block); | |
8019105d | 250 | |
ed9c79e1 JJ |
251 | if (has_iostat) |
252 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_FORTRAN_FAIL_IO, | |
253 | NOT_TAKEN)); | |
254 | else | |
255 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_NORETURN, | |
256 | NOT_TAKEN)); | |
257 | ||
628c189e | 258 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
8019105d | 259 | |
f96d606f | 260 | arg2 = build_int_cst (integer_type_node, error_code), |
8019105d | 261 | |
1a33dc9e | 262 | message = xasprintf ("%s", _(msgid)); |
ee37d2f5 FXC |
263 | arg3 = gfc_build_addr_expr (pchar_type_node, |
264 | gfc_build_localized_cstring_const (message)); | |
cede9502 | 265 | free (message); |
8019105d | 266 | |
db3927fb AH |
267 | tmp = build_call_expr_loc (input_location, |
268 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
269 | |
270 | gfc_add_expr_to_block (&block, tmp); | |
271 | ||
272 | body = gfc_finish_block (&block); | |
273 | ||
274 | if (integer_onep (cond)) | |
275 | { | |
276 | gfc_add_expr_to_block (pblock, body); | |
277 | } | |
278 | else | |
279 | { | |
c2255bc4 | 280 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
281 | gfc_add_expr_to_block (pblock, tmp); |
282 | } | |
283 | } | |
284 | ||
285 | ||
6de9cd9a DN |
286 | /* Create function decls for IO library functions. */ |
287 | ||
288 | void | |
289 | gfc_build_io_library_fndecls (void) | |
290 | { | |
5e805e44 | 291 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 292 | tree gfc_intio_type_node; |
5e805e44 | 293 | tree parm_type, dt_parm_type; |
5e805e44 | 294 | HOST_WIDE_INT pad_size; |
09639a83 | 295 | unsigned int ptype; |
5e805e44 JJ |
296 | |
297 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
298 | types[IOPARM_type_intio] = gfc_intio_type_node |
299 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 300 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
301 | types[IOPARM_type_pintio] |
302 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
303 | types[IOPARM_type_parray] = pchar_type_node; |
304 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 305 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 306 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
df09d1d5 | 307 | pad_idx = build_index_type (size_int (pad_size - 1)); |
5e805e44 | 308 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
309 | |
310 | /* pad actually contains pointers and integers so it needs to have an | |
311 | alignment that is at least as large as the needed alignment for those | |
312 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
313 | what really goes into this space. */ | |
fe37c7af MM |
314 | SET_TYPE_ALIGN (types[IOPARM_type_pad], MAX (TYPE_ALIGN (pchar_type_node), |
315 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind)))); | |
7ae99337 | 316 | |
5e805e44 | 317 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 318 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 319 | |
6eb6875d | 320 | /* Define the transfer functions. */ |
6de9cd9a | 321 | |
5e805e44 JJ |
322 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
323 | ||
3f34855a TB |
324 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
325 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
326 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
327 | ||
6eb6875d TK |
328 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
329 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
330 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
331 | ||
3f34855a TB |
332 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
333 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
334 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
335 | ||
6eb6875d TK |
336 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
337 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
338 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
339 | ||
3f34855a TB |
340 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
341 | get_identifier (PREFIX("transfer_character")), ".wW", | |
342 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
343 | ||
6eb6875d TK |
344 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
345 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
346 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
347 | ||
3f34855a TB |
348 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
349 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
350 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
351 | gfc_charlen_type_node, gfc_int4_type_node); | |
352 | ||
6eb6875d TK |
353 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
354 | gfc_build_library_function_decl_with_spec ( | |
355 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
356 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
357 | gfc_charlen_type_node, gfc_int4_type_node); | |
358 | ||
3f34855a TB |
359 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
360 | get_identifier (PREFIX("transfer_real")), ".wW", | |
361 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
362 | ||
6eb6875d TK |
363 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
364 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
365 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
366 | ||
3f34855a TB |
367 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
368 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
369 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
370 | ||
6eb6875d TK |
371 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
372 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
373 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
374 | ||
1ec601bf FXC |
375 | /* Version for __float128. */ |
376 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
377 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
378 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
379 | ||
380 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
381 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
382 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
383 | ||
384 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
385 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
386 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
387 | ||
388 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
389 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
390 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
391 | ||
3f34855a | 392 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 393 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
394 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
395 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 396 | |
6eb6875d TK |
397 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
398 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
399 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
400 | integer_type_node, gfc_charlen_type_node); | |
401 | ||
e73d3ca6 PT |
402 | iocall[IOCALL_X_DERIVED] = gfc_build_library_function_decl_with_spec ( |
403 | get_identifier (PREFIX("transfer_derived")), ".wrR", | |
404 | void_type_node, 2, dt_parm_type, pvoid_type_node, pchar_type_node); | |
405 | ||
6de9cd9a DN |
406 | /* Library entry points */ |
407 | ||
3f34855a TB |
408 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
409 | get_identifier (PREFIX("st_read")), ".w", | |
410 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 411 | |
3f34855a TB |
412 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
413 | get_identifier (PREFIX("st_write")), ".w", | |
414 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
415 | |
416 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
417 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
418 | get_identifier (PREFIX("st_open")), ".w", | |
419 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
420 | |
421 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
422 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
423 | get_identifier (PREFIX("st_close")), ".w", | |
424 | void_type_node, 1, parm_type); | |
6de9cd9a | 425 | |
5e805e44 | 426 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
427 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
428 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 429 | void_type_node, 1, parm_type); |
6de9cd9a | 430 | |
3f34855a TB |
431 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
432 | get_identifier (PREFIX("st_iolength")), ".w", | |
433 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 434 | |
3f34855a | 435 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 436 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
437 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
438 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 439 | void_type_node, 1, parm_type); |
6f0f0b2e | 440 | |
5e805e44 | 441 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
442 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
443 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 444 | void_type_node, 1, parm_type); |
6de9cd9a | 445 | |
3f34855a TB |
446 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
447 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 448 | void_type_node, 1, parm_type); |
6de9cd9a | 449 | |
3f34855a TB |
450 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
451 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 452 | void_type_node, 1, parm_type); |
6403ec5f | 453 | |
3f34855a TB |
454 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
455 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 456 | void_type_node, 1, parm_type); |
6403ec5f | 457 | |
6de9cd9a DN |
458 | /* Library helpers */ |
459 | ||
3f34855a TB |
460 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
461 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 462 | void_type_node, 1, dt_parm_type); |
8750f9cd | 463 | |
3f34855a TB |
464 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
465 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 466 | void_type_node, 1, dt_parm_type); |
8750f9cd | 467 | |
3f34855a TB |
468 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
469 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 470 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 471 | |
3f34855a TB |
472 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
473 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
474 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
0522a84e | 475 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 476 | |
e73d3ca6 PT |
477 | iocall[IOCALL_SET_NML_DTIO_VAL] = gfc_build_library_function_decl_with_spec ( |
478 | get_identifier (PREFIX("st_set_nml_dtio_var")), ".w.R", | |
479 | void_type_node, 8, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
480 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node, | |
481 | pvoid_type_node, pvoid_type_node); | |
482 | ||
3f34855a TB |
483 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
484 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
485 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
486 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
487 | } |
488 | ||
489 | ||
e73d3ca6 PT |
490 | static void |
491 | set_parameter_tree (stmtblock_t *block, tree var, enum iofield type, tree value) | |
5e805e44 JJ |
492 | { |
493 | tree tmp; | |
494 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
495 | ||
496 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
497 | var = fold_build3_loc (input_location, COMPONENT_REF, |
498 | st_parameter[IOPARM_ptype_common].type, | |
499 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
500 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
501 | var, p->field, NULL_TREE); | |
e73d3ca6 PT |
502 | gfc_add_modify (block, tmp, value); |
503 | } | |
504 | ||
505 | ||
506 | /* Generate code to store an integer constant into the | |
507 | st_parameter_XXX structure. */ | |
508 | ||
509 | static unsigned int | |
510 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
511 | unsigned int val) | |
512 | { | |
513 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
514 | ||
515 | set_parameter_tree (block, var, type, | |
516 | build_int_cst (TREE_TYPE (p->field), val)); | |
5e805e44 JJ |
517 | return p->mask; |
518 | } | |
519 | ||
520 | ||
49de9e73 | 521 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 522 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 523 | |
5e805e44 | 524 | static unsigned int |
e344505c JD |
525 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, |
526 | gfc_expr *e) | |
527 | { | |
528 | gfc_se se; | |
529 | tree tmp; | |
530 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
531 | tree dest_type = TREE_TYPE (p->field); | |
532 | ||
533 | gfc_init_se (&se, NULL); | |
534 | gfc_conv_expr_val (&se, e); | |
535 | ||
536 | se.expr = convert (dest_type, se.expr); | |
537 | gfc_add_block_to_block (block, &se.pre); | |
538 | ||
539 | if (p->param_type == IOPARM_ptype_common) | |
540 | var = fold_build3_loc (input_location, COMPONENT_REF, | |
541 | st_parameter[IOPARM_ptype_common].type, | |
542 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
543 | ||
544 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, | |
545 | p->field, NULL_TREE); | |
546 | gfc_add_modify (block, tmp, se.expr); | |
547 | return p->mask; | |
548 | } | |
549 | ||
550 | ||
551 | /* Similar to set_parameter_value except generate runtime | |
552 | error checks. */ | |
553 | ||
554 | static unsigned int | |
555 | set_parameter_value_chk (stmtblock_t *block, bool has_iostat, tree var, | |
ed9c79e1 | 556 | enum iofield type, gfc_expr *e) |
6de9cd9a DN |
557 | { |
558 | gfc_se se; | |
559 | tree tmp; | |
5e805e44 | 560 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 561 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
562 | |
563 | gfc_init_se (&se, NULL); | |
f96d606f JD |
564 | gfc_conv_expr_val (&se, e); |
565 | ||
566 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 567 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 568 | { |
9ad55c33 | 569 | tree cond, val; |
f96d606f JD |
570 | int i; |
571 | ||
f96d606f JD |
572 | /* Don't evaluate the UNIT number multiple times. */ |
573 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
574 | ||
9ad55c33 JD |
575 | /* UNIT numbers should be greater than the min. */ |
576 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
577 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
65a9ca82 TB |
578 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
579 | se.expr, | |
580 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
581 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
582 | "Unit number in I/O statement too small", | |
583 | &se.pre); | |
8019105d | 584 | |
f96d606f | 585 | /* UNIT numbers should be less than the max. */ |
9ad55c33 | 586 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
65a9ca82 TB |
587 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
588 | se.expr, | |
589 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
590 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
591 | "Unit number in I/O statement too large", | |
592 | &se.pre); | |
f96d606f JD |
593 | } |
594 | ||
595 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
596 | gfc_add_block_to_block (block, &se.pre); |
597 | ||
5e805e44 | 598 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
599 | var = fold_build3_loc (input_location, COMPONENT_REF, |
600 | st_parameter[IOPARM_ptype_common].type, | |
601 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 602 | |
65a9ca82 TB |
603 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
604 | p->field, NULL_TREE); | |
726a989a | 605 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 606 | return p->mask; |
6de9cd9a DN |
607 | } |
608 | ||
609 | ||
e344505c JD |
610 | /* Build code to check the unit range if KIND=8 is used. Similar to |
611 | set_parameter_value_chk but we do not generate error calls for | |
612 | inquire statements. */ | |
613 | ||
614 | static unsigned int | |
615 | set_parameter_value_inquire (stmtblock_t *block, tree var, | |
616 | enum iofield type, gfc_expr *e) | |
617 | { | |
618 | gfc_se se; | |
619 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
620 | tree dest_type = TREE_TYPE (p->field); | |
621 | ||
622 | gfc_init_se (&se, NULL); | |
623 | gfc_conv_expr_val (&se, e); | |
624 | ||
625 | /* If we're inquiring on a UNIT number, we need to check to make | |
626 | sure it exists for larger than kind = 4. */ | |
627 | if (type == IOPARM_common_unit && e->ts.kind > 4) | |
628 | { | |
629 | stmtblock_t newblock; | |
630 | tree cond1, cond2, cond3, val, body; | |
631 | int i; | |
632 | ||
633 | /* Don't evaluate the UNIT number multiple times. */ | |
634 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
635 | ||
636 | /* UNIT numbers should be greater than zero. */ | |
637 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
638 | cond1 = build2_loc (input_location, LT_EXPR, boolean_type_node, | |
639 | se.expr, | |
640 | fold_convert (TREE_TYPE (se.expr), | |
641 | integer_zero_node)); | |
642 | /* UNIT numbers should be less than the max. */ | |
643 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); | |
644 | cond2 = build2_loc (input_location, GT_EXPR, boolean_type_node, | |
645 | se.expr, | |
646 | fold_convert (TREE_TYPE (se.expr), val)); | |
647 | cond3 = build2_loc (input_location, TRUTH_OR_EXPR, | |
648 | boolean_type_node, cond1, cond2); | |
649 | ||
650 | gfc_start_block (&newblock); | |
651 | ||
652 | /* The unit number GFC_INVALID_UNIT is reserved. No units can | |
653 | ever have this value. It is used here to signal to the | |
654 | runtime library that the inquire unit number is outside the | |
655 | allowable range and so cannot exist. It is needed when | |
656 | -fdefault-integer-8 is used. */ | |
657 | set_parameter_const (&newblock, var, IOPARM_common_unit, | |
658 | GFC_INVALID_UNIT); | |
659 | ||
660 | body = gfc_finish_block (&newblock); | |
661 | ||
e73d3ca6 | 662 | cond3 = gfc_unlikely (cond3, PRED_FORTRAN_FAIL_IO); |
e344505c JD |
663 | var = build3_v (COND_EXPR, cond3, body, build_empty_stmt (input_location)); |
664 | gfc_add_expr_to_block (&se.pre, var); | |
665 | } | |
666 | ||
667 | se.expr = convert (dest_type, se.expr); | |
668 | gfc_add_block_to_block (block, &se.pre); | |
669 | ||
670 | return p->mask; | |
671 | } | |
672 | ||
673 | ||
49de9e73 | 674 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 675 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 676 | |
5e805e44 JJ |
677 | static unsigned int |
678 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
679 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
680 | { |
681 | gfc_se se; | |
5e805e44 JJ |
682 | tree tmp, addr; |
683 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 684 | |
5e805e44 | 685 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 686 | gfc_init_se (&se, NULL); |
5e805e44 | 687 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 688 | |
6de9cd9a DN |
689 | gfc_add_block_to_block (block, &se.pre); |
690 | ||
5e805e44 JJ |
691 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
692 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 693 | { |
628c189e | 694 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
695 | |
696 | /* If this is for the iostat variable initialize the | |
d74b97cc | 697 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 698 | if (type == IOPARM_common_iostat) |
726a989a | 699 | gfc_add_modify (block, se.expr, |
d74b97cc | 700 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 701 | } |
5e805e44 JJ |
702 | else |
703 | { | |
704 | /* The type used by the library has different size | |
f96d606f JD |
705 | from the type of the variable supplied by the user. |
706 | Need to use a temporary. */ | |
707 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
708 | st_parameter_field[type].name); | |
709 | ||
710 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 711 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 712 | if (type == IOPARM_common_iostat) |
726a989a | 713 | gfc_add_modify (block, tmpvar, |
d74b97cc | 714 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 715 | |
628c189e | 716 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 717 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 718 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 719 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 720 | } |
5e805e44 | 721 | |
e73d3ca6 | 722 | set_parameter_tree (block, var, type, addr); |
5e805e44 | 723 | return p->mask; |
6de9cd9a DN |
724 | } |
725 | ||
d3642f89 FW |
726 | /* Given an array expr, find its address and length to get a string. If the |
727 | array is full, the string's address is the address of array's first element | |
7e279142 | 728 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 729 | string's address is the element's address and the length is the rest size of |
7e279142 | 730 | the array. */ |
d3642f89 FW |
731 | |
732 | static void | |
733 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
734 | { | |
d3642f89 | 735 | tree size; |
d3642f89 | 736 | |
7e279142 | 737 | if (e->rank == 0) |
d3642f89 | 738 | { |
7e279142 JJ |
739 | tree type, array, tmp; |
740 | gfc_symbol *sym; | |
741 | int rank; | |
742 | ||
743 | /* If it is an element, we need its address and size of the rest. */ | |
744 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
745 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
746 | sym = e->symtree->n.sym; | |
747 | rank = sym->as->rank - 1; | |
d3642f89 | 748 | gfc_conv_expr (se, e); |
d3642f89 | 749 | |
7e279142 JJ |
750 | array = sym->backend_decl; |
751 | type = TREE_TYPE (array); | |
d3642f89 | 752 | |
7e279142 JJ |
753 | if (GFC_ARRAY_TYPE_P (type)) |
754 | size = GFC_TYPE_ARRAY_SIZE (type); | |
755 | else | |
756 | { | |
757 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
758 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
759 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
760 | gfc_array_index_type, | |
761 | gfc_conv_array_ubound (array, rank), | |
762 | gfc_conv_array_lbound (array, rank)); | |
763 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
764 | gfc_array_index_type, tmp, | |
765 | gfc_index_one_node); | |
766 | size = fold_build2_loc (input_location, MULT_EXPR, | |
767 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
768 | } |
769 | gcc_assert (size); | |
d3642f89 | 770 | |
65a9ca82 TB |
771 | size = fold_build2_loc (input_location, MINUS_EXPR, |
772 | gfc_array_index_type, size, | |
773 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 774 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 775 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
776 | size = fold_build2_loc (input_location, MULT_EXPR, |
777 | gfc_array_index_type, size, | |
778 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
779 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
780 | return; | |
d3642f89 FW |
781 | } |
782 | ||
2960a368 | 783 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
d3642f89 FW |
784 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
785 | } | |
6de9cd9a | 786 | |
109b0ac2 | 787 | |
6de9cd9a | 788 | /* Generate code to store a string and its length into the |
5e805e44 | 789 | st_parameter_XXX structure. */ |
6de9cd9a | 790 | |
5e805e44 | 791 | static unsigned int |
6de9cd9a | 792 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 793 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
794 | { |
795 | gfc_se se; | |
796 | tree tmp; | |
6de9cd9a DN |
797 | tree io; |
798 | tree len; | |
5e805e44 | 799 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
800 | |
801 | gfc_init_se (&se, NULL); | |
6de9cd9a | 802 | |
5e805e44 | 803 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
804 | var = fold_build3_loc (input_location, COMPONENT_REF, |
805 | st_parameter[IOPARM_ptype_common].type, | |
806 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
807 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 808 | var, p->field, NULL_TREE); |
65a9ca82 TB |
809 | len = fold_build3_loc (input_location, COMPONENT_REF, |
810 | TREE_TYPE (p->field_len), | |
811 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 812 | |
7ab92584 | 813 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
814 | if (e->ts.type == BT_INTEGER |
815 | && e->rank == 0 | |
816 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 817 | { |
dd18a33b | 818 | char * msg; |
c8fe94c7 | 819 | tree cond; |
dd18a33b | 820 | |
ce2df7c6 | 821 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 822 | tmp = GFC_DECL_STRING_LEN (se.expr); |
65a9ca82 TB |
823 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
824 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 825 | |
1a33dc9e UB |
826 | msg = xasprintf ("Label assigned to variable '%s' (%%ld) is not a format " |
827 | "label", e->symtree->name); | |
0d52899f | 828 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 829 | fold_convert (long_integer_type_node, tmp)); |
cede9502 | 830 | free (msg); |
dd18a33b | 831 | |
726a989a | 832 | gfc_add_modify (&se.pre, io, |
b078dfbf | 833 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 834 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
835 | } |
836 | else | |
837 | { | |
d3642f89 FW |
838 | /* General character. */ |
839 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
840 | gfc_conv_expr (&se, e); | |
841 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 842 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
843 | gfc_convert_array_to_string (&se, e); |
844 | else | |
845 | gcc_unreachable (); | |
846 | ||
6de9cd9a | 847 | gfc_conv_string_parameter (&se); |
726a989a RB |
848 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
849 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
850 | } |
851 | ||
852 | gfc_add_block_to_block (block, &se.pre); | |
853 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 854 | return p->mask; |
6de9cd9a DN |
855 | } |
856 | ||
857 | ||
109b0ac2 PT |
858 | /* Generate code to store the character (array) and the character length |
859 | for an internal unit. */ | |
860 | ||
5e805e44 | 861 | static unsigned int |
d4feb3d3 PT |
862 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
863 | tree var, gfc_expr * e) | |
109b0ac2 PT |
864 | { |
865 | gfc_se se; | |
866 | tree io; | |
867 | tree len; | |
868 | tree desc; | |
869 | tree tmp; | |
5e805e44 JJ |
870 | gfc_st_parameter_field *p; |
871 | unsigned int mask; | |
109b0ac2 PT |
872 | |
873 | gfc_init_se (&se, NULL); | |
874 | ||
5e805e44 JJ |
875 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
876 | mask = p->mask; | |
65a9ca82 TB |
877 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
878 | var, p->field, NULL_TREE); | |
879 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
880 | var, p->field_len, NULL_TREE); | |
5e805e44 | 881 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
882 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
883 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
884 | |
885 | gcc_assert (e->ts.type == BT_CHARACTER); | |
886 | ||
887 | /* Character scalars. */ | |
888 | if (e->rank == 0) | |
889 | { | |
890 | gfc_conv_expr (&se, e); | |
891 | gfc_conv_string_parameter (&se); | |
892 | tmp = se.expr; | |
c3238e32 | 893 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
894 | } |
895 | ||
896 | /* Character array. */ | |
64db4d29 | 897 | else if (e->rank > 0) |
109b0ac2 | 898 | { |
1d6b7f39 | 899 | if (is_subref_array (e)) |
d4feb3d3 PT |
900 | { |
901 | /* Use a temporary for components of arrays of derived types | |
902 | or substring array references. */ | |
1d6b7f39 | 903 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 904 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
905 | tmp = build_fold_indirect_ref_loc (input_location, |
906 | se.expr); | |
d4feb3d3 PT |
907 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
908 | tmp = gfc_conv_descriptor_data_get (tmp); | |
909 | } | |
910 | else | |
911 | { | |
912 | /* Return the data pointer and rank from the descriptor. */ | |
2960a368 | 913 | gfc_conv_expr_descriptor (&se, e); |
d4feb3d3 PT |
914 | tmp = gfc_conv_descriptor_data_get (se.expr); |
915 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
916 | } | |
109b0ac2 PT |
917 | } |
918 | else | |
919 | gcc_unreachable (); | |
920 | ||
921 | /* The cast is needed for character substrings and the descriptor | |
922 | data. */ | |
726a989a RB |
923 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
924 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 925 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 926 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
927 | |
928 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 929 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 930 | return mask; |
109b0ac2 PT |
931 | } |
932 | ||
6de9cd9a DN |
933 | /* Add a case to a IO-result switch. */ |
934 | ||
935 | static void | |
936 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
937 | { | |
938 | tree tmp, value; | |
939 | ||
940 | if (label == NULL) | |
941 | return; /* No label, no case */ | |
942 | ||
df09d1d5 | 943 | value = build_int_cst (integer_type_node, label_value); |
6de9cd9a DN |
944 | |
945 | /* Make a backend label for this case. */ | |
c006df4e | 946 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
947 | |
948 | /* And the case itself. */ | |
3d528853 | 949 | tmp = build_case_label (value, NULL_TREE, tmp); |
6de9cd9a DN |
950 | gfc_add_expr_to_block (body, tmp); |
951 | ||
952 | /* Jump to the label. */ | |
953 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
954 | gfc_add_expr_to_block (body, tmp); | |
955 | } | |
956 | ||
957 | ||
958 | /* Generate a switch statement that branches to the correct I/O | |
959 | result label. The last statement of an I/O call stores the | |
960 | result into a variable because there is often cleanup that | |
961 | must be done before the switch, so a temporary would have to | |
962 | be created anyway. */ | |
963 | ||
964 | static void | |
5e805e44 | 965 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
966 | gfc_st_label * end_label, gfc_st_label * eor_label) |
967 | { | |
968 | stmtblock_t body; | |
969 | tree tmp, rc; | |
5e805e44 | 970 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
971 | |
972 | /* If no labels are specified, ignore the result instead | |
973 | of building an empty switch. */ | |
974 | if (err_label == NULL | |
975 | && end_label == NULL | |
976 | && eor_label == NULL) | |
977 | return; | |
978 | ||
979 | /* Build a switch statement. */ | |
980 | gfc_start_block (&body); | |
981 | ||
982 | /* The label values here must be the same as the values | |
983 | in the library_return enum in the runtime library */ | |
984 | add_case (1, err_label, &body); | |
985 | add_case (2, end_label, &body); | |
986 | add_case (3, eor_label, &body); | |
987 | ||
988 | tmp = gfc_finish_block (&body); | |
989 | ||
65a9ca82 TB |
990 | var = fold_build3_loc (input_location, COMPONENT_REF, |
991 | st_parameter[IOPARM_ptype_common].type, | |
992 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
993 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
994 | var, p->field, NULL_TREE); | |
995 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
996 | rc, build_int_cst (TREE_TYPE (rc), | |
997 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 998 | |
0cd2402d SB |
999 | tmp = fold_build3_loc (input_location, SWITCH_EXPR, NULL_TREE, |
1000 | rc, tmp, NULL_TREE); | |
6de9cd9a DN |
1001 | |
1002 | gfc_add_expr_to_block (block, tmp); | |
1003 | } | |
1004 | ||
1005 | ||
1006 | /* Store the current file and line number to variables so that if a | |
1007 | library call goes awry, we can tell the user where the problem is. */ | |
1008 | ||
1009 | static void | |
5e805e44 | 1010 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
1011 | { |
1012 | gfc_file *f; | |
5e805e44 | 1013 | tree str, locus_file; |
6de9cd9a | 1014 | int line; |
5e805e44 | 1015 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 1016 | |
65a9ca82 TB |
1017 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
1018 | st_parameter[IOPARM_ptype_common].type, | |
1019 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
1020 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
1021 | TREE_TYPE (p->field), locus_file, | |
1022 | p->field, NULL_TREE); | |
d4fa05b9 | 1023 | f = where->lb->file; |
5e805e44 | 1024 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 1025 | |
5e805e44 | 1026 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 1027 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 1028 | |
c8cc8542 | 1029 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 1030 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
1031 | } |
1032 | ||
1033 | ||
1034 | /* Translate an OPEN statement. */ | |
1035 | ||
1036 | tree | |
1037 | gfc_trans_open (gfc_code * code) | |
1038 | { | |
1039 | stmtblock_t block, post_block; | |
1040 | gfc_open *p; | |
5e805e44 JJ |
1041 | tree tmp, var; |
1042 | unsigned int mask = 0; | |
6de9cd9a | 1043 | |
5e805e44 | 1044 | gfc_start_block (&block); |
6de9cd9a DN |
1045 | gfc_init_block (&post_block); |
1046 | ||
5e805e44 JJ |
1047 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
1048 | ||
1049 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1050 | p = code->ext.open; |
1051 | ||
f96d606f JD |
1052 | if (p->iomsg) |
1053 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1054 | p->iomsg); | |
1055 | ||
1056 | if (p->iostat) | |
1057 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1058 | p->iostat); | |
1059 | ||
1060 | if (p->err) | |
1061 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
1062 | |
1063 | if (p->file) | |
5e805e44 | 1064 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
1065 | |
1066 | if (p->status) | |
5e805e44 JJ |
1067 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
1068 | p->status); | |
6de9cd9a DN |
1069 | |
1070 | if (p->access) | |
5e805e44 JJ |
1071 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
1072 | p->access); | |
6de9cd9a DN |
1073 | |
1074 | if (p->form) | |
5e805e44 | 1075 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
1076 | |
1077 | if (p->recl) | |
e344505c | 1078 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, |
ed9c79e1 | 1079 | p->recl); |
6de9cd9a DN |
1080 | |
1081 | if (p->blank) | |
5e805e44 JJ |
1082 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
1083 | p->blank); | |
6de9cd9a DN |
1084 | |
1085 | if (p->position) | |
5e805e44 JJ |
1086 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
1087 | p->position); | |
6de9cd9a DN |
1088 | |
1089 | if (p->action) | |
5e805e44 JJ |
1090 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
1091 | p->action); | |
6de9cd9a DN |
1092 | |
1093 | if (p->delim) | |
5e805e44 JJ |
1094 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
1095 | p->delim); | |
6de9cd9a DN |
1096 | |
1097 | if (p->pad) | |
5e805e44 | 1098 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 1099 | |
6f0f0b2e JD |
1100 | if (p->decimal) |
1101 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
1102 | p->decimal); | |
1103 | ||
1104 | if (p->encoding) | |
1105 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
1106 | p->encoding); | |
1107 | ||
1108 | if (p->round) | |
1109 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
1110 | ||
1111 | if (p->sign) | |
1112 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
1113 | ||
1114 | if (p->asynchronous) | |
1115 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
1116 | p->asynchronous); | |
1117 | ||
181c9f4a TK |
1118 | if (p->convert) |
1119 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1120 | p->convert); | |
8019105d | 1121 | |
9ad55c33 JD |
1122 | if (p->newunit) |
1123 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1124 | p->newunit); | |
181c9f4a | 1125 | |
5e805e44 JJ |
1126 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1127 | ||
f96d606f | 1128 | if (p->unit) |
e344505c | 1129 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1130 | else |
1131 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1132 | ||
628c189e | 1133 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1134 | tmp = build_call_expr_loc (input_location, |
1135 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1136 | gfc_add_expr_to_block (&block, tmp); |
1137 | ||
1138 | gfc_add_block_to_block (&block, &post_block); | |
1139 | ||
5e805e44 | 1140 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1141 | |
1142 | return gfc_finish_block (&block); | |
1143 | } | |
1144 | ||
1145 | ||
1146 | /* Translate a CLOSE statement. */ | |
1147 | ||
1148 | tree | |
1149 | gfc_trans_close (gfc_code * code) | |
1150 | { | |
1151 | stmtblock_t block, post_block; | |
1152 | gfc_close *p; | |
5e805e44 JJ |
1153 | tree tmp, var; |
1154 | unsigned int mask = 0; | |
6de9cd9a | 1155 | |
5e805e44 | 1156 | gfc_start_block (&block); |
6de9cd9a DN |
1157 | gfc_init_block (&post_block); |
1158 | ||
5e805e44 JJ |
1159 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1160 | ||
1161 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1162 | p = code->ext.close; |
1163 | ||
7aba8abe | 1164 | if (p->iomsg) |
5e805e44 JJ |
1165 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1166 | p->iomsg); | |
7aba8abe | 1167 | |
6de9cd9a | 1168 | if (p->iostat) |
5e805e44 JJ |
1169 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1170 | p->iostat); | |
6de9cd9a DN |
1171 | |
1172 | if (p->err) | |
5e805e44 JJ |
1173 | mask |= IOPARM_common_err; |
1174 | ||
f96d606f JD |
1175 | if (p->status) |
1176 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1177 | p->status); | |
1178 | ||
5e805e44 | 1179 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1180 | |
f96d606f | 1181 | if (p->unit) |
e344505c | 1182 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1183 | else |
1184 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1185 | ||
628c189e | 1186 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1187 | tmp = build_call_expr_loc (input_location, |
1188 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1189 | gfc_add_expr_to_block (&block, tmp); |
1190 | ||
1191 | gfc_add_block_to_block (&block, &post_block); | |
1192 | ||
5e805e44 | 1193 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1194 | |
1195 | return gfc_finish_block (&block); | |
1196 | } | |
1197 | ||
1198 | ||
1199 | /* Common subroutine for building a file positioning statement. */ | |
1200 | ||
1201 | static tree | |
1202 | build_filepos (tree function, gfc_code * code) | |
1203 | { | |
7aba8abe | 1204 | stmtblock_t block, post_block; |
6de9cd9a | 1205 | gfc_filepos *p; |
5e805e44 JJ |
1206 | tree tmp, var; |
1207 | unsigned int mask = 0; | |
6de9cd9a DN |
1208 | |
1209 | p = code->ext.filepos; | |
1210 | ||
5e805e44 | 1211 | gfc_start_block (&block); |
7aba8abe | 1212 | gfc_init_block (&post_block); |
6de9cd9a | 1213 | |
5e805e44 JJ |
1214 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1215 | "filepos_parm"); | |
1216 | ||
1217 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1218 | |
7aba8abe | 1219 | if (p->iomsg) |
5e805e44 JJ |
1220 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1221 | p->iomsg); | |
7aba8abe | 1222 | |
6de9cd9a | 1223 | if (p->iostat) |
e344505c JD |
1224 | mask |= set_parameter_ref (&block, &post_block, var, |
1225 | IOPARM_common_iostat, p->iostat); | |
6de9cd9a DN |
1226 | |
1227 | if (p->err) | |
5e805e44 JJ |
1228 | mask |= IOPARM_common_err; |
1229 | ||
1230 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1231 | |
f96d606f | 1232 | if (p->unit) |
e344505c JD |
1233 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, |
1234 | p->unit); | |
f96d606f JD |
1235 | else |
1236 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1237 | ||
628c189e | 1238 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1239 | tmp = build_call_expr_loc (input_location, |
1240 | function, 1, tmp); | |
6de9cd9a DN |
1241 | gfc_add_expr_to_block (&block, tmp); |
1242 | ||
7aba8abe TK |
1243 | gfc_add_block_to_block (&block, &post_block); |
1244 | ||
5e805e44 | 1245 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1246 | |
1247 | return gfc_finish_block (&block); | |
1248 | } | |
1249 | ||
1250 | ||
1251 | /* Translate a BACKSPACE statement. */ | |
1252 | ||
1253 | tree | |
1254 | gfc_trans_backspace (gfc_code * code) | |
1255 | { | |
5e805e44 | 1256 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1257 | } |
1258 | ||
1259 | ||
1260 | /* Translate an ENDFILE statement. */ | |
1261 | ||
1262 | tree | |
1263 | gfc_trans_endfile (gfc_code * code) | |
1264 | { | |
5e805e44 | 1265 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1266 | } |
1267 | ||
1268 | ||
1269 | /* Translate a REWIND statement. */ | |
1270 | ||
1271 | tree | |
1272 | gfc_trans_rewind (gfc_code * code) | |
1273 | { | |
5e805e44 | 1274 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1275 | } |
1276 | ||
1277 | ||
6403ec5f JB |
1278 | /* Translate a FLUSH statement. */ |
1279 | ||
1280 | tree | |
1281 | gfc_trans_flush (gfc_code * code) | |
1282 | { | |
5e805e44 | 1283 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1284 | } |
1285 | ||
1286 | ||
6de9cd9a DN |
1287 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1288 | ||
1289 | tree | |
1290 | gfc_trans_inquire (gfc_code * code) | |
1291 | { | |
1292 | stmtblock_t block, post_block; | |
1293 | gfc_inquire *p; | |
5e805e44 | 1294 | tree tmp, var; |
6f0f0b2e | 1295 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1296 | |
5e805e44 | 1297 | gfc_start_block (&block); |
6de9cd9a DN |
1298 | gfc_init_block (&post_block); |
1299 | ||
5e805e44 JJ |
1300 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1301 | "inquire_parm"); | |
1302 | ||
1303 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1304 | p = code->ext.inquire; |
1305 | ||
7aba8abe | 1306 | if (p->iomsg) |
5e805e44 JJ |
1307 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1308 | p->iomsg); | |
7aba8abe | 1309 | |
6de9cd9a | 1310 | if (p->iostat) |
5e805e44 JJ |
1311 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1312 | p->iostat); | |
6de9cd9a | 1313 | |
f96d606f JD |
1314 | if (p->err) |
1315 | mask |= IOPARM_common_err; | |
1316 | ||
1317 | /* Sanity check. */ | |
1318 | if (p->unit && p->file) | |
1319 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1320 | ||
1321 | if (p->file) | |
1322 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1323 | p->file); | |
1324 | ||
6de9cd9a | 1325 | if (p->exist) |
e344505c | 1326 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, |
c16dd6a8 | 1327 | p->exist); |
6de9cd9a DN |
1328 | |
1329 | if (p->opened) | |
5e805e44 JJ |
1330 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1331 | p->opened); | |
6de9cd9a DN |
1332 | |
1333 | if (p->number) | |
5e805e44 JJ |
1334 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1335 | p->number); | |
6de9cd9a DN |
1336 | |
1337 | if (p->named) | |
5e805e44 JJ |
1338 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1339 | p->named); | |
6de9cd9a DN |
1340 | |
1341 | if (p->name) | |
5e805e44 JJ |
1342 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1343 | p->name); | |
6de9cd9a DN |
1344 | |
1345 | if (p->access) | |
5e805e44 JJ |
1346 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1347 | p->access); | |
6de9cd9a DN |
1348 | |
1349 | if (p->sequential) | |
5e805e44 JJ |
1350 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1351 | p->sequential); | |
6de9cd9a DN |
1352 | |
1353 | if (p->direct) | |
5e805e44 JJ |
1354 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1355 | p->direct); | |
6de9cd9a DN |
1356 | |
1357 | if (p->form) | |
5e805e44 JJ |
1358 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1359 | p->form); | |
6de9cd9a DN |
1360 | |
1361 | if (p->formatted) | |
5e805e44 JJ |
1362 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1363 | p->formatted); | |
6de9cd9a DN |
1364 | |
1365 | if (p->unformatted) | |
5e805e44 JJ |
1366 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1367 | p->unformatted); | |
6de9cd9a DN |
1368 | |
1369 | if (p->recl) | |
5e805e44 JJ |
1370 | mask |= set_parameter_ref (&block, &post_block, var, |
1371 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1372 | |
1373 | if (p->nextrec) | |
5e805e44 JJ |
1374 | mask |= set_parameter_ref (&block, &post_block, var, |
1375 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1376 | |
1377 | if (p->blank) | |
5e805e44 JJ |
1378 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1379 | p->blank); | |
6de9cd9a | 1380 | |
d06b3496 JD |
1381 | if (p->delim) |
1382 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1383 | p->delim); | |
1384 | ||
6de9cd9a | 1385 | if (p->position) |
5e805e44 JJ |
1386 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1387 | p->position); | |
6de9cd9a DN |
1388 | |
1389 | if (p->action) | |
5e805e44 JJ |
1390 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1391 | p->action); | |
6de9cd9a DN |
1392 | |
1393 | if (p->read) | |
5e805e44 JJ |
1394 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1395 | p->read); | |
6de9cd9a DN |
1396 | |
1397 | if (p->write) | |
5e805e44 JJ |
1398 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1399 | p->write); | |
6de9cd9a DN |
1400 | |
1401 | if (p->readwrite) | |
5e805e44 JJ |
1402 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1403 | p->readwrite); | |
6de9cd9a | 1404 | |
dae24534 | 1405 | if (p->pad) |
5e805e44 JJ |
1406 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1407 | p->pad); | |
8019105d | 1408 | |
181c9f4a TK |
1409 | if (p->convert) |
1410 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1411 | p->convert); | |
1412 | ||
014ec6ee JD |
1413 | if (p->strm_pos) |
1414 | mask |= set_parameter_ref (&block, &post_block, var, | |
1415 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1416 | ||
6f0f0b2e JD |
1417 | /* The second series of flags. */ |
1418 | if (p->asynchronous) | |
1419 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1420 | p->asynchronous); | |
1421 | ||
1422 | if (p->decimal) | |
1423 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1424 | p->decimal); | |
1425 | ||
1426 | if (p->encoding) | |
1427 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1428 | p->encoding); | |
1429 | ||
1430 | if (p->round) | |
1431 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1432 | p->round); | |
1433 | ||
1434 | if (p->sign) | |
1435 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1436 | p->sign); | |
1437 | ||
1438 | if (p->pending) | |
1439 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1440 | IOPARM_inquire_pending, p->pending); | |
1441 | ||
1442 | if (p->size) | |
1443 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1444 | p->size); | |
1445 | ||
1446 | if (p->id) | |
d06b3496 JD |
1447 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1448 | p->id); | |
93e8af19 JD |
1449 | if (p->iqstream) |
1450 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_iqstream, | |
1451 | p->iqstream); | |
6f0f0b2e | 1452 | |
6f0f0b2e | 1453 | if (mask2) |
e1456843 | 1454 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1455 | |
5e805e44 | 1456 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1457 | |
f96d606f | 1458 | if (p->unit) |
e344505c JD |
1459 | { |
1460 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1461 | set_parameter_value_inquire (&block, var, IOPARM_common_unit, p->unit); | |
1462 | } | |
f96d606f JD |
1463 | else |
1464 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1465 | ||
628c189e | 1466 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1467 | tmp = build_call_expr_loc (input_location, |
1468 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1469 | gfc_add_expr_to_block (&block, tmp); |
1470 | ||
1471 | gfc_add_block_to_block (&block, &post_block); | |
1472 | ||
5e805e44 | 1473 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1474 | |
1475 | return gfc_finish_block (&block); | |
1476 | } | |
1477 | ||
6f0f0b2e JD |
1478 | |
1479 | tree | |
1480 | gfc_trans_wait (gfc_code * code) | |
1481 | { | |
1482 | stmtblock_t block, post_block; | |
1483 | gfc_wait *p; | |
1484 | tree tmp, var; | |
1485 | unsigned int mask = 0; | |
1486 | ||
1487 | gfc_start_block (&block); | |
1488 | gfc_init_block (&post_block); | |
1489 | ||
1490 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1491 | "wait_parm"); | |
1492 | ||
1493 | set_error_locus (&block, var, &code->loc); | |
1494 | p = code->ext.wait; | |
1495 | ||
1496 | /* Set parameters here. */ | |
1497 | if (p->iomsg) | |
1498 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1499 | p->iomsg); | |
1500 | ||
1501 | if (p->iostat) | |
1502 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1503 | p->iostat); | |
1504 | ||
1505 | if (p->err) | |
1506 | mask |= IOPARM_common_err; | |
1507 | ||
1508 | if (p->id) | |
e344505c | 1509 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); |
6f0f0b2e JD |
1510 | |
1511 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1512 | ||
1513 | if (p->unit) | |
e344505c | 1514 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
6f0f0b2e | 1515 | |
628c189e | 1516 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1517 | tmp = build_call_expr_loc (input_location, |
1518 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1519 | gfc_add_expr_to_block (&block, tmp); |
1520 | ||
1521 | gfc_add_block_to_block (&block, &post_block); | |
1522 | ||
1523 | io_result (&block, var, p->err, NULL, NULL); | |
1524 | ||
1525 | return gfc_finish_block (&block); | |
1526 | ||
1527 | } | |
1528 | ||
6de9cd9a | 1529 | |
29dc5138 | 1530 | /* nml_full_name builds up the fully qualified name of a |
3b111bd7 | 1531 | derived type component. '+' is used to denote a type extension. */ |
29dc5138 PT |
1532 | |
1533 | static char* | |
3b111bd7 | 1534 | nml_full_name (const char* var_name, const char* cmp_name, bool parent) |
6de9cd9a | 1535 | { |
29dc5138 PT |
1536 | int full_name_length; |
1537 | char * full_name; | |
1538 | ||
1539 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
93acb62c | 1540 | full_name = XCNEWVEC (char, full_name_length + 1); |
29dc5138 | 1541 | strcpy (full_name, var_name); |
3b111bd7 | 1542 | full_name = strcat (full_name, parent ? "+" : "%"); |
29dc5138 PT |
1543 | full_name = strcat (full_name, cmp_name); |
1544 | return full_name; | |
6de9cd9a DN |
1545 | } |
1546 | ||
19d36107 | 1547 | |
29dc5138 PT |
1548 | /* nml_get_addr_expr builds an address expression from the |
1549 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1550 | provided so that the address of an element of an array of | |
1551 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1552 | determine that span of the derived type. */ |
29dc5138 PT |
1553 | |
1554 | static tree | |
1555 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1556 | tree base_addr) | |
1557 | { | |
1558 | tree decl = NULL_TREE; | |
1559 | tree tmp; | |
29dc5138 PT |
1560 | |
1561 | if (sym) | |
1562 | { | |
1563 | sym->attr.referenced = 1; | |
1564 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1565 | |
1566 | /* If this is the enclosing function declaration, use | |
1567 | the fake result instead. */ | |
1568 | if (decl == current_function_decl) | |
1569 | decl = gfc_get_fake_result_decl (sym, 0); | |
1570 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1571 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1572 | } |
1573 | else | |
1574 | decl = c->backend_decl; | |
1575 | ||
d168c883 JJ |
1576 | gcc_assert (decl && (TREE_CODE (decl) == FIELD_DECL |
1577 | || VAR_P (decl) | |
1578 | || TREE_CODE (decl) == PARM_DECL | |
1579 | || TREE_CODE (decl) == COMPONENT_REF)); | |
29dc5138 PT |
1580 | |
1581 | tmp = decl; | |
1582 | ||
1583 | /* Build indirect reference, if dummy argument. */ | |
1584 | ||
19d36107 TB |
1585 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1586 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
29dc5138 PT |
1587 | |
1588 | /* Treat the component of a derived type, using base_addr for | |
1589 | the derived type. */ | |
1590 | ||
1591 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1592 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1593 | base_addr, tmp, NULL_TREE); | |
29dc5138 | 1594 | |
19d36107 TB |
1595 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1596 | tmp = gfc_conv_array_data (tmp); | |
1597 | else | |
1598 | { | |
1599 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1600 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
29dc5138 | 1601 | |
19d36107 TB |
1602 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1603 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
29dc5138 | 1604 | |
19d36107 TB |
1605 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1606 | tmp = build_fold_indirect_ref_loc (input_location, | |
db3927fb | 1607 | tmp); |
19d36107 | 1608 | } |
29dc5138 PT |
1609 | |
1610 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1611 | ||
1612 | return tmp; | |
1613 | } | |
3bc268e6 | 1614 | |
19d36107 | 1615 | |
29dc5138 | 1616 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1617 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1618 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1619 | |
29dc5138 | 1620 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1621 | |
1622 | static void | |
29dc5138 PT |
1623 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1624 | gfc_symbol * sym, gfc_component * c, | |
1625 | tree base_addr) | |
3bc268e6 | 1626 | { |
29dc5138 PT |
1627 | gfc_typespec * ts = NULL; |
1628 | gfc_array_spec * as = NULL; | |
1629 | tree addr_expr = NULL; | |
1630 | tree dt = NULL; | |
1631 | tree string; | |
1632 | tree tmp; | |
29dc5138 | 1633 | tree dtype; |
5e805e44 | 1634 | tree dt_parm_addr; |
19d36107 | 1635 | tree decl = NULL_TREE; |
0522a84e | 1636 | tree gfc_int4_type_node = gfc_get_int_type (4); |
e73d3ca6 PT |
1637 | tree dtio_proc = null_pointer_node; |
1638 | tree vtable = null_pointer_node; | |
8019105d | 1639 | int n_dim; |
29dc5138 PT |
1640 | int itype; |
1641 | int rank = 0; | |
3bc268e6 | 1642 | |
29dc5138 | 1643 | gcc_assert (sym || c); |
3bc268e6 | 1644 | |
29dc5138 PT |
1645 | /* Build the namelist object name. */ |
1646 | ||
1647 | string = gfc_build_cstring_const (var_name); | |
1648 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1649 | ||
1650 | /* Build ts, as and data address using symbol or component. */ | |
1651 | ||
1652 | ts = (sym) ? &sym->ts : &c->ts; | |
1653 | as = (sym) ? sym->as : c->as; | |
1654 | ||
1655 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1656 | ||
1657 | if (as) | |
1658 | rank = as->rank; | |
1659 | ||
1660 | if (rank) | |
3bc268e6 | 1661 | { |
19d36107 TB |
1662 | decl = (sym) ? sym->backend_decl : c->backend_decl; |
1663 | if (sym && sym->attr.dummy) | |
1664 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
1665 | dt = TREE_TYPE (decl); | |
29dc5138 | 1666 | dtype = gfc_get_dtype (dt); |
3bc268e6 | 1667 | } |
29dc5138 PT |
1668 | else |
1669 | { | |
a11930ba | 1670 | itype = ts->type; |
29dc5138 | 1671 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1672 | } |
1673 | ||
29dc5138 PT |
1674 | /* Build up the arguments for the transfer call. |
1675 | The call for the scalar part transfers: | |
1676 | (address, name, type, kind or string_length, dtype) */ | |
1677 | ||
628c189e | 1678 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 | 1679 | |
e73d3ca6 PT |
1680 | /* Check if the derived type has a specific DTIO for the mode. |
1681 | Note that although namelist io is forbidden to have a format | |
1682 | list, the specific subroutine is of the formatted kind. */ | |
1683 | if (ts->type == BT_DERIVED) | |
1684 | { | |
1685 | gfc_symbol *dtio_sub = NULL; | |
1686 | gfc_symbol *vtab; | |
1687 | dtio_sub = gfc_find_specific_dtio_proc (ts->u.derived, | |
1688 | last_dt == WRITE, | |
1689 | true); | |
1690 | if (dtio_sub != NULL) | |
1691 | { | |
1692 | dtio_proc = gfc_get_symbol_decl (dtio_sub); | |
1693 | dtio_proc = gfc_build_addr_expr (NULL, dtio_proc); | |
1694 | vtab = gfc_find_derived_vtab (ts->u.derived); | |
1695 | vtable = vtab->backend_decl; | |
1696 | if (vtable == NULL_TREE) | |
1697 | vtable = gfc_get_symbol_decl (vtab); | |
1698 | vtable = gfc_build_addr_expr (pvoid_type_node, vtable); | |
1699 | } | |
1700 | } | |
1701 | ||
29dc5138 | 1702 | if (ts->type == BT_CHARACTER) |
bc21d315 | 1703 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1704 | else |
5039610b | 1705 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
e73d3ca6 PT |
1706 | |
1707 | if (dtio_proc == NULL_TREE) | |
1708 | tmp = build_call_expr_loc (input_location, | |
1709 | iocall[IOCALL_SET_NML_VAL], 6, | |
1710 | dt_parm_addr, addr_expr, string, | |
1711 | build_int_cst (gfc_int4_type_node, ts->kind), | |
1712 | tmp, dtype); | |
1713 | else | |
1714 | tmp = build_call_expr_loc (input_location, | |
1715 | iocall[IOCALL_SET_NML_DTIO_VAL], 8, | |
1716 | dt_parm_addr, addr_expr, string, | |
1717 | build_int_cst (gfc_int4_type_node, ts->kind), | |
1718 | tmp, dtype, dtio_proc, vtable); | |
3bc268e6 | 1719 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1720 | |
1721 | /* If the object is an array, transfer rank times: | |
1722 | (null pointer, name, stride, lbound, ubound) */ | |
1723 | ||
1724 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1725 | { | |
db3927fb AH |
1726 | tmp = build_call_expr_loc (input_location, |
1727 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b | 1728 | dt_parm_addr, |
0522a84e | 1729 | build_int_cst (gfc_int4_type_node, n_dim), |
19d36107 TB |
1730 | gfc_conv_array_stride (decl, n_dim), |
1731 | gfc_conv_array_lbound (decl, n_dim), | |
1732 | gfc_conv_array_ubound (decl, n_dim)); | |
29dc5138 PT |
1733 | gfc_add_expr_to_block (block, tmp); |
1734 | } | |
1735 | ||
e73d3ca6 PT |
1736 | if (gfc_bt_struct (ts->type) && ts->u.derived->components |
1737 | && dtio_proc == null_pointer_node) | |
29dc5138 PT |
1738 | { |
1739 | gfc_component *cmp; | |
1740 | ||
1741 | /* Provide the RECORD_TYPE to build component references. */ | |
1742 | ||
db3927fb AH |
1743 | tree expr = build_fold_indirect_ref_loc (input_location, |
1744 | addr_expr); | |
29dc5138 | 1745 | |
bc21d315 | 1746 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 | 1747 | { |
3b111bd7 JD |
1748 | char *full_name = nml_full_name (var_name, cmp->name, |
1749 | ts->u.derived->attr.extension); | |
29dc5138 PT |
1750 | transfer_namelist_element (block, |
1751 | full_name, | |
1752 | NULL, cmp, expr); | |
cede9502 | 1753 | free (full_name); |
29dc5138 PT |
1754 | } |
1755 | } | |
3bc268e6 | 1756 | } |
6de9cd9a | 1757 | |
29dc5138 | 1758 | #undef IARG |
29dc5138 | 1759 | |
6de9cd9a DN |
1760 | /* Create a data transfer statement. Not all of the fields are valid |
1761 | for both reading and writing, but improper use has been filtered | |
1762 | out by now. */ | |
1763 | ||
1764 | static tree | |
5e805e44 | 1765 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1766 | { |
d4feb3d3 | 1767 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1768 | gfc_dt *dt; |
5e805e44 | 1769 | tree tmp, var; |
29dc5138 | 1770 | gfc_expr *nmlname; |
3bc268e6 | 1771 | gfc_namelist *nml; |
5e1bdeb7 | 1772 | unsigned int mask = 0; |
6de9cd9a | 1773 | |
5e805e44 | 1774 | gfc_start_block (&block); |
6de9cd9a | 1775 | gfc_init_block (&post_block); |
5e805e44 | 1776 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1777 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1778 | |
1779 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1780 | ||
1781 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1782 | |
5e805e44 JJ |
1783 | if (last_dt == IOLENGTH) |
1784 | { | |
1785 | gfc_inquire *inq; | |
1786 | ||
1787 | inq = code->ext.inquire; | |
6de9cd9a | 1788 | |
5e805e44 JJ |
1789 | /* First check that preconditions are met. */ |
1790 | gcc_assert (inq != NULL); | |
1791 | gcc_assert (inq->iolength != NULL); | |
1792 | ||
1793 | /* Connect to the iolength variable. */ | |
1794 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1795 | IOPARM_dt_iolength, inq->iolength); | |
1796 | dt = NULL; | |
1797 | } | |
1798 | else | |
1799 | { | |
1800 | dt = code->ext.dt; | |
1801 | gcc_assert (dt != NULL); | |
1802 | } | |
8750f9cd | 1803 | |
5e805e44 | 1804 | if (dt && dt->io_unit) |
6de9cd9a DN |
1805 | { |
1806 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1807 | { | |
d4feb3d3 PT |
1808 | mask |= set_internal_unit (&block, &post_iu_block, |
1809 | var, dt->io_unit); | |
c8dce2cf | 1810 | set_parameter_const (&block, var, IOPARM_common_unit, |
4a8d4422 JD |
1811 | dt->io_unit->ts.kind == 1 ? |
1812 | GFC_INTERNAL_UNIT : GFC_INTERNAL_UNIT4); | |
6de9cd9a | 1813 | } |
6de9cd9a | 1814 | } |
5e805e44 JJ |
1815 | else |
1816 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1817 | |
5e805e44 JJ |
1818 | if (dt) |
1819 | { | |
f96d606f JD |
1820 | if (dt->iomsg) |
1821 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1822 | dt->iomsg); | |
1823 | ||
1824 | if (dt->iostat) | |
1825 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1826 | IOPARM_common_iostat, dt->iostat); | |
1827 | ||
1828 | if (dt->err) | |
1829 | mask |= IOPARM_common_err; | |
1830 | ||
1831 | if (dt->eor) | |
1832 | mask |= IOPARM_common_eor; | |
1833 | ||
1834 | if (dt->end) | |
1835 | mask |= IOPARM_common_end; | |
1836 | ||
6f0f0b2e JD |
1837 | if (dt->id) |
1838 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1839 | IOPARM_dt_id, dt->id); | |
1840 | ||
1841 | if (dt->pos) | |
e344505c | 1842 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); |
6f0f0b2e JD |
1843 | |
1844 | if (dt->asynchronous) | |
e344505c JD |
1845 | mask |= set_string (&block, &post_block, var, |
1846 | IOPARM_dt_asynchronous, dt->asynchronous); | |
6f0f0b2e JD |
1847 | |
1848 | if (dt->blank) | |
1849 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1850 | dt->blank); | |
1851 | ||
1852 | if (dt->decimal) | |
1853 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1854 | dt->decimal); | |
1855 | ||
1856 | if (dt->delim) | |
1857 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1858 | dt->delim); | |
1859 | ||
1860 | if (dt->pad) | |
1861 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1862 | dt->pad); | |
1863 | ||
1864 | if (dt->round) | |
1865 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1866 | dt->round); | |
1867 | ||
1868 | if (dt->sign) | |
1869 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1870 | dt->sign); | |
1871 | ||
5e805e44 | 1872 | if (dt->rec) |
e344505c | 1873 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); |
6de9cd9a | 1874 | |
5e805e44 JJ |
1875 | if (dt->advance) |
1876 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1877 | dt->advance); | |
6de9cd9a | 1878 | |
5e805e44 | 1879 | if (dt->format_expr) |
9341698a | 1880 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1881 | dt->format_expr); |
6de9cd9a | 1882 | |
5e805e44 JJ |
1883 | if (dt->format_label) |
1884 | { | |
1885 | if (dt->format_label == &format_asterisk) | |
1886 | mask |= IOPARM_dt_list_format; | |
1887 | else | |
1888 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1889 | dt->format_label->format); | |
1890 | } | |
6de9cd9a | 1891 | |
5e805e44 JJ |
1892 | if (dt->size) |
1893 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1894 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1895 | |
4a8d4422 JD |
1896 | if (dt->udtio) |
1897 | mask |= IOPARM_dt_dtio; | |
1898 | ||
5e805e44 JJ |
1899 | if (dt->namelist) |
1900 | { | |
1901 | if (dt->format_expr || dt->format_label) | |
1902 | gfc_internal_error ("build_dt: format with namelist"); | |
1903 | ||
b7e75771 JD |
1904 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1905 | dt->namelist->name, | |
1906 | strlen (dt->namelist->name)); | |
29dc5138 | 1907 | |
5e805e44 JJ |
1908 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1909 | nmlname); | |
29dc5138 | 1910 | |
76c1a7ec TB |
1911 | gfc_free_expr (nmlname); |
1912 | ||
5e805e44 JJ |
1913 | if (last_dt == READ) |
1914 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1915 | |
5e805e44 | 1916 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1917 | |
5e805e44 JJ |
1918 | dt_parm = var; |
1919 | ||
1920 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1921 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1922 | NULL, NULL_TREE); |
5e805e44 JJ |
1923 | } |
1924 | else | |
1925 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1926 | |
1927 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
e344505c JD |
1928 | set_parameter_value_chk (&block, dt->iostat, var, |
1929 | IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1930 | } |
5e805e44 JJ |
1931 | else |
1932 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1933 | |
628c189e | 1934 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 1935 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 1936 | function, 1, tmp); |
6de9cd9a DN |
1937 | gfc_add_expr_to_block (&block, tmp); |
1938 | ||
1939 | gfc_add_block_to_block (&block, &post_block); | |
1940 | ||
5e805e44 JJ |
1941 | dt_parm = var; |
1942 | dt_post_end_block = &post_end_block; | |
1943 | ||
bc51e726 JD |
1944 | /* Set implied do loop exit condition. */ |
1945 | if (last_dt == READ || last_dt == WRITE) | |
1946 | { | |
1947 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1948 | ||
65a9ca82 TB |
1949 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1950 | st_parameter[IOPARM_ptype_common].type, | |
1951 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1952 | NULL_TREE); | |
1953 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1954 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1955 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1956 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1957 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
1958 | } |
1959 | else /* IOLENGTH */ | |
1960 | tmp = NULL_TREE; | |
1961 | ||
1962 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 1963 | |
d4feb3d3 PT |
1964 | gfc_add_block_to_block (&block, &post_iu_block); |
1965 | ||
5e805e44 JJ |
1966 | dt_parm = NULL; |
1967 | dt_post_end_block = NULL; | |
1968 | ||
6de9cd9a DN |
1969 | return gfc_finish_block (&block); |
1970 | } | |
1971 | ||
1972 | ||
8750f9cd JB |
1973 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1974 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1975 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1976 | |
1977 | tree | |
1978 | gfc_trans_iolength (gfc_code * code) | |
1979 | { | |
8750f9cd | 1980 | last_dt = IOLENGTH; |
5e805e44 | 1981 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1982 | } |
1983 | ||
1984 | ||
6de9cd9a DN |
1985 | /* Translate a READ statement. */ |
1986 | ||
1987 | tree | |
1988 | gfc_trans_read (gfc_code * code) | |
1989 | { | |
6de9cd9a | 1990 | last_dt = READ; |
5e805e44 | 1991 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1992 | } |
1993 | ||
1994 | ||
1995 | /* Translate a WRITE statement */ | |
1996 | ||
1997 | tree | |
1998 | gfc_trans_write (gfc_code * code) | |
1999 | { | |
6de9cd9a | 2000 | last_dt = WRITE; |
5e805e44 | 2001 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
2002 | } |
2003 | ||
2004 | ||
2005 | /* Finish a data transfer statement. */ | |
2006 | ||
2007 | tree | |
2008 | gfc_trans_dt_end (gfc_code * code) | |
2009 | { | |
2010 | tree function, tmp; | |
2011 | stmtblock_t block; | |
2012 | ||
2013 | gfc_init_block (&block); | |
2014 | ||
8750f9cd JB |
2015 | switch (last_dt) |
2016 | { | |
2017 | case READ: | |
5e805e44 | 2018 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
2019 | break; |
2020 | ||
2021 | case WRITE: | |
5e805e44 | 2022 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
2023 | break; |
2024 | ||
2025 | case IOLENGTH: | |
5e805e44 | 2026 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
2027 | break; |
2028 | ||
2029 | default: | |
6e45f57b | 2030 | gcc_unreachable (); |
8750f9cd | 2031 | } |
6de9cd9a | 2032 | |
628c189e | 2033 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2034 | tmp = build_call_expr_loc (input_location, |
2035 | function, 1, tmp); | |
6de9cd9a | 2036 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
2037 | gfc_add_block_to_block (&block, dt_post_end_block); |
2038 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 2039 | |
8750f9cd JB |
2040 | if (last_dt != IOLENGTH) |
2041 | { | |
6e45f57b | 2042 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 2043 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
2044 | code->ext.dt->end, code->ext.dt->eor); |
2045 | } | |
6de9cd9a DN |
2046 | |
2047 | return gfc_finish_block (&block); | |
2048 | } | |
2049 | ||
d2ccf6aa | 2050 | static void |
e73d3ca6 PT |
2051 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, |
2052 | gfc_code * code, tree vptr); | |
d2ccf6aa VL |
2053 | |
2054 | /* Given an array field in a derived type variable, generate the code | |
2055 | for the loop that iterates over array elements, and the code that | |
2056 | accesses those array elements. Use transfer_expr to generate code | |
2057 | for transferring that element. Because elements may also be | |
2058 | derived types, transfer_expr and transfer_array_component are mutually | |
2059 | recursive. */ | |
2060 | ||
2061 | static tree | |
bdfd2ff0 | 2062 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
2063 | { |
2064 | tree tmp; | |
2065 | stmtblock_t body; | |
2066 | stmtblock_t block; | |
2067 | gfc_loopinfo loop; | |
2068 | int n; | |
2069 | gfc_ss *ss; | |
2070 | gfc_se se; | |
08dcec61 | 2071 | gfc_array_info *ss_array; |
d2ccf6aa VL |
2072 | |
2073 | gfc_start_block (&block); | |
2074 | gfc_init_se (&se, NULL); | |
2075 | ||
2076 | /* Create and initialize Scalarization Status. Unlike in | |
2077 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
2078 | care of this task, because we don't have a gfc_expr at hand. | |
2079 | Build one manually, as in gfc_trans_subarray_assign. */ | |
2080 | ||
66877276 MM |
2081 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
2082 | GFC_SS_COMPONENT); | |
1838afec | 2083 | ss_array = &ss->info->data.array; |
08dcec61 MM |
2084 | ss_array->shape = gfc_get_shape (cm->as->rank); |
2085 | ss_array->descriptor = expr; | |
2086 | ss_array->data = gfc_conv_array_data (expr); | |
2087 | ss_array->offset = gfc_conv_array_offset (expr); | |
d2ccf6aa VL |
2088 | for (n = 0; n < cm->as->rank; n++) |
2089 | { | |
08dcec61 MM |
2090 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
2091 | ss_array->stride[n] = gfc_index_one_node; | |
d2ccf6aa | 2092 | |
08dcec61 MM |
2093 | mpz_init (ss_array->shape[n]); |
2094 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
d2ccf6aa | 2095 | cm->as->lower[n]->value.integer); |
08dcec61 | 2096 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
d2ccf6aa VL |
2097 | } |
2098 | ||
f7b529fa | 2099 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
2100 | |
2101 | gfc_init_loopinfo (&loop); | |
2102 | gfc_add_ss_to_loop (&loop, ss); | |
2103 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 2104 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
2105 | gfc_mark_ss_chain_used (ss, 1); |
2106 | gfc_start_scalarized_body (&loop, &body); | |
2107 | ||
2108 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2109 | se.ss = ss; | |
2110 | ||
2111 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
2112 | se.expr = expr; | |
2113 | gfc_conv_tmp_array_ref (&se); | |
2114 | ||
2115 | /* Now se.expr contains an element of the array. Take the address and pass | |
2116 | it to the IO routines. */ | |
628c189e | 2117 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
e73d3ca6 | 2118 | transfer_expr (&se, &cm->ts, tmp, NULL, NULL_TREE); |
d2ccf6aa VL |
2119 | |
2120 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 2121 | return. */ |
d2ccf6aa VL |
2122 | |
2123 | gfc_add_block_to_block (&body, &se.pre); | |
2124 | gfc_add_block_to_block (&body, &se.post); | |
2125 | ||
2126 | gfc_trans_scalarizing_loops (&loop, &body); | |
2127 | ||
2128 | gfc_add_block_to_block (&block, &loop.pre); | |
2129 | gfc_add_block_to_block (&block, &loop.post); | |
2130 | ||
08dcec61 MM |
2131 | gcc_assert (ss_array->shape != NULL); |
2132 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
96654664 PB |
2133 | gfc_cleanup_loop (&loop); |
2134 | ||
d2ccf6aa VL |
2135 | return gfc_finish_block (&block); |
2136 | } | |
6de9cd9a | 2137 | |
e73d3ca6 PT |
2138 | |
2139 | /* Helper function for transfer_expr that looks for the DTIO procedure | |
2140 | either as a typebound binding or in a generic interface. If present, | |
2141 | the address expression of the procedure is returned. It is assumed | |
2142 | that the procedure interface has been checked during resolution. */ | |
2143 | ||
2144 | static tree | |
2145 | get_dtio_proc (gfc_typespec * ts, gfc_code * code, gfc_symbol **dtio_sub) | |
2146 | { | |
2147 | gfc_symbol *derived; | |
2148 | bool formatted = false; | |
2149 | gfc_dt *dt = code->ext.dt; | |
2150 | ||
2151 | if (dt && dt->format_expr) | |
2152 | { | |
2153 | char *fmt; | |
2154 | fmt = gfc_widechar_to_char (dt->format_expr->value.character.string, | |
2155 | -1); | |
2156 | if (strtok (fmt, "DT") != NULL) | |
2157 | formatted = true; | |
2158 | } | |
2159 | else if (dt && dt->format_label == &format_asterisk) | |
2160 | { | |
2161 | /* List directed io must call the formatted DTIO procedure. */ | |
2162 | formatted = true; | |
2163 | } | |
2164 | ||
2165 | if (ts->type == BT_DERIVED) | |
2166 | derived = ts->u.derived; | |
2167 | else | |
2168 | derived = ts->u.derived->components->ts.u.derived; | |
2169 | ||
2170 | *dtio_sub = gfc_find_specific_dtio_proc (derived, last_dt == WRITE, | |
2171 | formatted); | |
2172 | ||
2173 | if (*dtio_sub) | |
2174 | return gfc_build_addr_expr (NULL, gfc_get_symbol_decl (*dtio_sub)); | |
2175 | ||
2176 | return NULL_TREE; | |
2177 | ||
2178 | } | |
2179 | ||
6de9cd9a DN |
2180 | /* Generate the call for a scalar transfer node. */ |
2181 | ||
2182 | static void | |
e73d3ca6 PT |
2183 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, |
2184 | gfc_code * code, tree vptr) | |
6de9cd9a | 2185 | { |
8a221914 | 2186 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2187 | gfc_component *c; |
2188 | int kind; | |
2189 | ||
a8b3b0b6 CR |
2190 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2191 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2192 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2193 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2194 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2195 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2196 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2197 | && ts->u.derived != NULL | |
2198 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2199 | { |
cadddfdd TB |
2200 | ts->type = BT_INTEGER; |
2201 | ts->kind = gfc_index_integer_kind; | |
a8b3b0b6 | 2202 | } |
8019105d | 2203 | |
6de9cd9a DN |
2204 | kind = ts->kind; |
2205 | function = NULL; | |
2206 | arg2 = NULL; | |
8a221914 | 2207 | arg3 = NULL; |
6de9cd9a DN |
2208 | |
2209 | switch (ts->type) | |
2210 | { | |
2211 | case BT_INTEGER: | |
df09d1d5 | 2212 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2213 | if (last_dt == READ) |
2214 | function = iocall[IOCALL_X_INTEGER]; | |
2215 | else | |
2216 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2217 | ||
6de9cd9a DN |
2218 | break; |
2219 | ||
2220 | case BT_REAL: | |
df09d1d5 | 2221 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2222 | if (last_dt == READ) |
1ec601bf FXC |
2223 | { |
2224 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2225 | function = iocall[IOCALL_X_REAL128]; | |
2226 | else | |
2227 | function = iocall[IOCALL_X_REAL]; | |
2228 | } | |
6eb6875d | 2229 | else |
1ec601bf FXC |
2230 | { |
2231 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2232 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2233 | else | |
2234 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2235 | } | |
6eb6875d | 2236 | |
6de9cd9a DN |
2237 | break; |
2238 | ||
2239 | case BT_COMPLEX: | |
df09d1d5 | 2240 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2241 | if (last_dt == READ) |
1ec601bf FXC |
2242 | { |
2243 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2244 | function = iocall[IOCALL_X_COMPLEX128]; | |
2245 | else | |
2246 | function = iocall[IOCALL_X_COMPLEX]; | |
2247 | } | |
6eb6875d | 2248 | else |
1ec601bf FXC |
2249 | { |
2250 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2251 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2252 | else | |
2253 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2254 | } | |
6eb6875d | 2255 | |
6de9cd9a DN |
2256 | break; |
2257 | ||
2258 | case BT_LOGICAL: | |
df09d1d5 | 2259 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2260 | if (last_dt == READ) |
2261 | function = iocall[IOCALL_X_LOGICAL]; | |
2262 | else | |
2263 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2264 | ||
6de9cd9a DN |
2265 | break; |
2266 | ||
2267 | case BT_CHARACTER: | |
8a221914 JD |
2268 | if (kind == 4) |
2269 | { | |
2270 | if (se->string_length) | |
2271 | arg2 = se->string_length; | |
2272 | else | |
2273 | { | |
db3927fb AH |
2274 | tmp = build_fold_indirect_ref_loc (input_location, |
2275 | addr_expr); | |
8a221914 JD |
2276 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2277 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2278 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2279 | } | |
df09d1d5 | 2280 | arg3 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2281 | if (last_dt == READ) |
2282 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2283 | else | |
2284 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
8019105d | 2285 | |
628c189e | 2286 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2287 | tmp = build_call_expr_loc (input_location, |
2288 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2289 | gfc_add_expr_to_block (&se->pre, tmp); |
2290 | gfc_add_block_to_block (&se->pre, &se->post); | |
2291 | return; | |
2292 | } | |
1cc0e193 | 2293 | /* Fall through. */ |
7b95e2a8 | 2294 | case BT_HOLLERITH: |
d2ccf6aa VL |
2295 | if (se->string_length) |
2296 | arg2 = se->string_length; | |
2297 | else | |
2298 | { | |
db3927fb AH |
2299 | tmp = build_fold_indirect_ref_loc (input_location, |
2300 | addr_expr); | |
d2ccf6aa VL |
2301 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2302 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2303 | } | |
6eb6875d TK |
2304 | if (last_dt == READ) |
2305 | function = iocall[IOCALL_X_CHARACTER]; | |
2306 | else | |
2307 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2308 | ||
6de9cd9a DN |
2309 | break; |
2310 | ||
f6288c24 | 2311 | case_bt_struct: |
e73d3ca6 | 2312 | case BT_CLASS: |
fc2655fb TB |
2313 | if (ts->u.derived->components == NULL) |
2314 | return; | |
e73d3ca6 PT |
2315 | if (ts->type == BT_DERIVED || ts->type == BT_CLASS) |
2316 | { | |
2317 | gfc_symbol *derived; | |
2318 | gfc_symbol *dtio_sub = NULL; | |
2319 | /* Test for a specific DTIO subroutine. */ | |
2320 | if (ts->type == BT_DERIVED) | |
2321 | derived = ts->u.derived; | |
2322 | else | |
2323 | derived = ts->u.derived->components->ts.u.derived; | |
fc2655fb | 2324 | |
e73d3ca6 PT |
2325 | if (derived->attr.has_dtio_procs) |
2326 | arg2 = get_dtio_proc (ts, code, &dtio_sub); | |
6de9cd9a | 2327 | |
6c0347f6 | 2328 | if ((dtio_sub != NULL) && (last_dt != IOLENGTH)) |
e73d3ca6 PT |
2329 | { |
2330 | tree decl; | |
2331 | decl = build_fold_indirect_ref_loc (input_location, | |
2332 | se->expr); | |
2333 | /* Remember that the first dummy of the DTIO subroutines | |
2334 | is CLASS(derived) for extensible derived types, so the | |
2335 | conversion must be done here for derived type and for | |
2336 | scalarized CLASS array element io-list objects. */ | |
2337 | if ((ts->type == BT_DERIVED | |
2338 | && !(ts->u.derived->attr.sequence | |
2339 | || ts->u.derived->attr.is_bind_c)) | |
2340 | || (ts->type == BT_CLASS | |
2341 | && !GFC_CLASS_TYPE_P (TREE_TYPE (decl)))) | |
2342 | gfc_conv_derived_to_class (se, code->expr1, | |
2343 | dtio_sub->formal->sym->ts, | |
2344 | vptr, false, false); | |
2345 | addr_expr = se->expr; | |
2346 | function = iocall[IOCALL_X_DERIVED]; | |
2347 | break; | |
2348 | } | |
2349 | else if (ts->type == BT_DERIVED) | |
2350 | { | |
2351 | /* Recurse into the elements of the derived type. */ | |
2352 | expr = gfc_evaluate_now (addr_expr, &se->pre); | |
2353 | expr = build_fold_indirect_ref_loc (input_location, | |
2354 | expr); | |
8019105d | 2355 | |
e73d3ca6 PT |
2356 | /* Make sure that the derived type has been built. An external |
2357 | function, if only referenced in an io statement, requires this | |
2358 | check (see PR58771). */ | |
2359 | if (ts->u.derived->backend_decl == NULL_TREE) | |
2360 | (void) gfc_typenode_for_spec (ts); | |
2361 | ||
2362 | for (c = ts->u.derived->components; c; c = c->next) | |
2363 | { | |
2364 | field = c->backend_decl; | |
2365 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); | |
2366 | ||
2367 | tmp = fold_build3_loc (UNKNOWN_LOCATION, | |
2368 | COMPONENT_REF, TREE_TYPE (field), | |
2369 | expr, field, NULL_TREE); | |
2370 | ||
2371 | if (c->attr.dimension) | |
2372 | { | |
2373 | tmp = transfer_array_component (tmp, c, & code->loc); | |
2374 | gfc_add_expr_to_block (&se->pre, tmp); | |
2375 | } | |
2376 | else | |
2377 | { | |
2378 | if (!c->attr.pointer) | |
2379 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
2380 | transfer_expr (se, &c->ts, tmp, code, NULL_TREE); | |
2381 | } | |
2382 | } | |
2383 | return; | |
2384 | } | |
2385 | /* If a CLASS object gets through to here, fall through and ICE. */ | |
6de9cd9a | 2386 | } |
81fea426 | 2387 | gcc_fallthrough (); |
6de9cd9a | 2388 | default: |
17d5d49f | 2389 | gfc_internal_error ("Bad IO basetype (%d)", ts->type); |
6de9cd9a DN |
2390 | } |
2391 | ||
628c189e | 2392 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2393 | tmp = build_call_expr_loc (input_location, |
2394 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2395 | gfc_add_expr_to_block (&se->pre, tmp); |
2396 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2397 | |
6de9cd9a DN |
2398 | } |
2399 | ||
2400 | ||
18623fae JB |
2401 | /* Generate a call to pass an array descriptor to the IO library. The |
2402 | array should be of one of the intrinsic types. */ | |
2403 | ||
2404 | static void | |
2405 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2406 | { | |
6eb6875d | 2407 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2408 | |
2409 | if (ts->type == BT_CHARACTER) | |
2410 | charlen_arg = se->string_length; | |
2411 | else | |
df09d1d5 | 2412 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
18623fae | 2413 | |
df09d1d5 | 2414 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
e5ef4b3b | 2415 | |
628c189e | 2416 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2417 | if (last_dt == READ) |
2418 | io_call = iocall[IOCALL_X_ARRAY]; | |
2419 | else | |
2420 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2421 | ||
033e7d21 | 2422 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2423 | io_call, 4, |
5039610b | 2424 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2425 | gfc_add_expr_to_block (&se->pre, tmp); |
2426 | gfc_add_block_to_block (&se->pre, &se->post); | |
2427 | } | |
2428 | ||
2429 | ||
6de9cd9a DN |
2430 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2431 | ||
2432 | tree | |
2433 | gfc_trans_transfer (gfc_code * code) | |
2434 | { | |
2435 | stmtblock_t block, body; | |
2436 | gfc_loopinfo loop; | |
2437 | gfc_expr *expr; | |
99c7ab42 | 2438 | gfc_ref *ref; |
6de9cd9a DN |
2439 | gfc_ss *ss; |
2440 | gfc_se se; | |
2441 | tree tmp; | |
e73d3ca6 | 2442 | tree vptr; |
c63173dd | 2443 | int n; |
6de9cd9a DN |
2444 | |
2445 | gfc_start_block (&block); | |
18623fae | 2446 | gfc_init_block (&body); |
6de9cd9a | 2447 | |
a513927a | 2448 | expr = code->expr1; |
99c7ab42 | 2449 | ref = NULL; |
6de9cd9a DN |
2450 | gfc_init_se (&se, NULL); |
2451 | ||
2960a368 | 2452 | if (expr->rank == 0) |
18623fae | 2453 | { |
815d8045 | 2454 | /* Transfer a scalar value. */ |
e73d3ca6 PT |
2455 | if (expr->ts.type == BT_CLASS) |
2456 | { | |
2457 | se.want_pointer = 1; | |
2458 | gfc_conv_expr (&se, expr); | |
2459 | vptr = gfc_get_vptr_from_expr (se.expr); | |
2460 | } | |
2461 | else | |
2462 | { | |
2463 | vptr = NULL_TREE; | |
2464 | gfc_conv_expr_reference (&se, expr); | |
2465 | } | |
2466 | transfer_expr (&se, &expr->ts, se.expr, code, vptr); | |
18623fae | 2467 | } |
815d8045 | 2468 | else |
6de9cd9a | 2469 | { |
99c7ab42 PT |
2470 | /* Transfer an array. If it is an array of an intrinsic |
2471 | type, pass the descriptor to the library. Otherwise | |
2472 | scalarize the transfer. */ | |
2a573572 | 2473 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
99c7ab42 PT |
2474 | { |
2475 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
fc2655fb TB |
2476 | ref = ref->next); |
2477 | gcc_assert (ref && ref->type == REF_ARRAY); | |
99c7ab42 PT |
2478 | } |
2479 | ||
e73d3ca6 PT |
2480 | if (!(gfc_bt_struct (expr->ts.type) |
2481 | || expr->ts.type == BT_CLASS) | |
1d6b7f39 PT |
2482 | && ref && ref->next == NULL |
2483 | && !is_subref_array (expr)) | |
815d8045 | 2484 | { |
c63173dd PT |
2485 | bool seen_vector = false; |
2486 | ||
2487 | if (ref && ref->u.ar.type == AR_SECTION) | |
2488 | { | |
2489 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2490 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
502af491 PCC |
2491 | { |
2492 | seen_vector = true; | |
2493 | break; | |
2494 | } | |
c63173dd PT |
2495 | } |
2496 | ||
2497 | if (seen_vector && last_dt == READ) | |
2498 | { | |
2499 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2500 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2501 | tmp = se.expr; |
2502 | } | |
2503 | else | |
2504 | { | |
2505 | /* Get the descriptor. */ | |
2960a368 | 2506 | gfc_conv_expr_descriptor (&se, expr); |
628c189e | 2507 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2508 | } |
2509 | ||
99c7ab42 PT |
2510 | transfer_array_desc (&se, &expr->ts, tmp); |
2511 | goto finish_block_label; | |
815d8045 | 2512 | } |
2960a368 | 2513 | |
6de9cd9a | 2514 | /* Initialize the scalarizer. */ |
2960a368 | 2515 | ss = gfc_walk_expr (expr); |
6de9cd9a DN |
2516 | gfc_init_loopinfo (&loop); |
2517 | gfc_add_ss_to_loop (&loop, ss); | |
2518 | ||
2519 | /* Initialize the loop. */ | |
2520 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2521 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2522 | |
2523 | /* The main loop body. */ | |
2524 | gfc_mark_ss_chain_used (ss, 1); | |
2525 | gfc_start_scalarized_body (&loop, &body); | |
2526 | ||
2527 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2528 | se.ss = ss; | |
18623fae | 2529 | gfc_conv_expr_reference (&se, expr); |
e73d3ca6 PT |
2530 | if (expr->ts.type == BT_CLASS) |
2531 | vptr = gfc_get_vptr_from_expr (ss->info->data.array.descriptor); | |
2532 | else | |
2533 | vptr = NULL_TREE; | |
2534 | transfer_expr (&se, &expr->ts, se.expr, code, vptr); | |
18623fae | 2535 | } |
815d8045 JB |
2536 | |
2537 | finish_block_label: | |
6de9cd9a DN |
2538 | |
2539 | gfc_add_block_to_block (&body, &se.pre); | |
2540 | gfc_add_block_to_block (&body, &se.post); | |
2541 | ||
2542 | if (se.ss == NULL) | |
2543 | tmp = gfc_finish_block (&body); | |
2544 | else | |
2545 | { | |
770caa74 | 2546 | gcc_assert (expr->rank != 0); |
6e45f57b | 2547 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2548 | gfc_trans_scalarizing_loops (&loop, &body); |
2549 | ||
2550 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2551 | tmp = gfc_finish_block (&loop.pre); | |
2552 | gfc_cleanup_loop (&loop); | |
2553 | } | |
2554 | ||
2555 | gfc_add_expr_to_block (&block, tmp); | |
2556 | ||
d2ccf6aa | 2557 | return gfc_finish_block (&block); |
6de9cd9a DN |
2558 | } |
2559 | ||
2560 | #include "gt-fortran-trans-io.h" |