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6de9cd9a | 1 | /* IO Code translation/library interface |
23a5b65a | 2 | Copyright (C) 2002-2014 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" | |
25 | #include "tree.h" | |
d8a2d370 DN |
26 | #include "stringpool.h" |
27 | #include "stor-layout.h" | |
6de9cd9a | 28 | #include "ggc.h" |
6de9cd9a | 29 | #include "gfortran.h" |
8e54f6d3 | 30 | #include "diagnostic-core.h" /* For internal_error. */ |
6de9cd9a DN |
31 | #include "trans.h" |
32 | #include "trans-stmt.h" | |
33 | #include "trans-array.h" | |
34 | #include "trans-types.h" | |
35 | #include "trans-const.h" | |
36 | ||
6de9cd9a DN |
37 | /* Members of the ioparm structure. */ |
38 | ||
5e805e44 JJ |
39 | enum ioparam_type |
40 | { | |
41 | IOPARM_ptype_common, | |
42 | IOPARM_ptype_open, | |
43 | IOPARM_ptype_close, | |
44 | IOPARM_ptype_filepos, | |
45 | IOPARM_ptype_inquire, | |
46 | IOPARM_ptype_dt, | |
6f0f0b2e | 47 | IOPARM_ptype_wait, |
5e805e44 JJ |
48 | IOPARM_ptype_num |
49 | }; | |
50 | ||
51 | enum iofield_type | |
52 | { | |
53 | IOPARM_type_int4, | |
014ec6ee | 54 | IOPARM_type_intio, |
5e805e44 | 55 | IOPARM_type_pint4, |
014ec6ee | 56 | IOPARM_type_pintio, |
5e805e44 JJ |
57 | IOPARM_type_pchar, |
58 | IOPARM_type_parray, | |
59 | IOPARM_type_pad, | |
60 | IOPARM_type_char1, | |
61 | IOPARM_type_char2, | |
62 | IOPARM_type_common, | |
63 | IOPARM_type_num | |
64 | }; | |
65 | ||
d1b38208 | 66 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
67 | const char *name; |
68 | unsigned int mask; | |
69 | enum ioparam_type param_type; | |
70 | enum iofield_type type; | |
71 | tree field; | |
72 | tree field_len; | |
73 | } | |
74 | gfc_st_parameter_field; | |
6de9cd9a | 75 | |
d1b38208 | 76 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
77 | const char *name; |
78 | tree type; | |
79 | } | |
80 | gfc_st_parameter; | |
81 | ||
82 | enum iofield | |
83 | { | |
84 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
85 | #include "ioparm.def" | |
86 | #undef IOPARM | |
87 | IOPARM_field_num | |
88 | }; | |
89 | ||
90 | static GTY(()) gfc_st_parameter st_parameter[] = | |
91 | { | |
92 | { "common", NULL }, | |
93 | { "open", NULL }, | |
94 | { "close", NULL }, | |
95 | { "filepos", NULL }, | |
96 | { "inquire", NULL }, | |
6f0f0b2e JD |
97 | { "dt", NULL }, |
98 | { "wait", NULL } | |
5e805e44 JJ |
99 | }; |
100 | ||
101 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
102 | { | |
103 | #define IOPARM(param_type, name, mask, type) \ | |
104 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
105 | #include "ioparm.def" | |
106 | #undef IOPARM | |
81f40b79 | 107 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 108 | }; |
6de9cd9a DN |
109 | |
110 | /* Library I/O subroutines */ | |
111 | ||
5e805e44 JJ |
112 | enum iocall |
113 | { | |
114 | IOCALL_READ, | |
115 | IOCALL_READ_DONE, | |
116 | IOCALL_WRITE, | |
117 | IOCALL_WRITE_DONE, | |
118 | IOCALL_X_INTEGER, | |
6eb6875d | 119 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 120 | IOCALL_X_LOGICAL, |
6eb6875d | 121 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 122 | IOCALL_X_CHARACTER, |
6eb6875d | 123 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 124 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 125 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 126 | IOCALL_X_REAL, |
6eb6875d | 127 | IOCALL_X_REAL_WRITE, |
5e805e44 | 128 | IOCALL_X_COMPLEX, |
6eb6875d | 129 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
130 | IOCALL_X_REAL128, |
131 | IOCALL_X_REAL128_WRITE, | |
132 | IOCALL_X_COMPLEX128, | |
133 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 134 | IOCALL_X_ARRAY, |
6eb6875d | 135 | IOCALL_X_ARRAY_WRITE, |
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, | |
146 | IOCALL_SET_NML_VAL_DIM, | |
6f0f0b2e | 147 | IOCALL_WAIT, |
5e805e44 JJ |
148 | IOCALL_NUM |
149 | }; | |
150 | ||
151 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
152 | |
153 | /* Variable for keeping track of what the last data transfer statement | |
154 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 155 | transfer is complete. */ |
8750f9cd | 156 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 157 | |
5e805e44 JJ |
158 | /* The data transfer parameter block that should be shared by all |
159 | data transfer calls belonging to the same read/write/iolength. */ | |
160 | static GTY(()) tree dt_parm; | |
161 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 162 | |
5e805e44 JJ |
163 | static void |
164 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
165 | { | |
32e8bb8e | 166 | unsigned int type; |
5e805e44 JJ |
167 | gfc_st_parameter_field *p; |
168 | char name[64]; | |
169 | size_t len; | |
170 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 171 | tree *chain = NULL; |
5e805e44 JJ |
172 | |
173 | len = strlen (st_parameter[ptype].name); | |
174 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
175 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
176 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 177 | len + 1); |
5e805e44 JJ |
178 | TYPE_NAME (t) = get_identifier (name); |
179 | ||
180 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
181 | if (p->param_type == ptype) | |
182 | switch (p->type) | |
183 | { | |
184 | case IOPARM_type_int4: | |
014ec6ee | 185 | case IOPARM_type_intio: |
5e805e44 | 186 | case IOPARM_type_pint4: |
014ec6ee | 187 | case IOPARM_type_pintio: |
5e805e44 JJ |
188 | case IOPARM_type_parray: |
189 | case IOPARM_type_pchar: | |
190 | case IOPARM_type_pad: | |
35151cd5 | 191 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 192 | types[p->type], &chain); |
5e805e44 JJ |
193 | break; |
194 | case IOPARM_type_char1: | |
35151cd5 | 195 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 196 | pchar_type_node, &chain); |
5e805e44 JJ |
197 | /* FALLTHROUGH */ |
198 | case IOPARM_type_char2: | |
199 | len = strlen (p->name); | |
200 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
201 | memcpy (name, p->name, len); | |
202 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 203 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
204 | gfc_charlen_type_node, |
205 | &chain); | |
5e805e44 | 206 | if (p->type == IOPARM_type_char2) |
35151cd5 | 207 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 208 | pchar_type_node, &chain); |
5e805e44 JJ |
209 | break; |
210 | case IOPARM_type_common: | |
211 | p->field | |
35151cd5 | 212 | = gfc_add_field_to_struct (t, |
5e805e44 | 213 | get_identifier (p->name), |
dfd6ece2 NF |
214 | st_parameter[IOPARM_ptype_common].type, |
215 | &chain); | |
5e805e44 JJ |
216 | break; |
217 | case IOPARM_type_num: | |
218 | gcc_unreachable (); | |
219 | } | |
6de9cd9a | 220 | |
5e805e44 JJ |
221 | gfc_finish_type (t); |
222 | st_parameter[ptype].type = t; | |
223 | } | |
6de9cd9a | 224 | |
f96d606f JD |
225 | |
226 | /* Build code to test an error condition and call generate_error if needed. | |
227 | Note: This builds calls to generate_error in the runtime library function. | |
228 | The function generate_error is dependent on certain parameters in the | |
229 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
230 | Therefore, the code to set these flags must be generated before | |
231 | this function is used. */ | |
232 | ||
ed9c79e1 JJ |
233 | static void |
234 | gfc_trans_io_runtime_check (bool has_iostat, tree cond, tree var, | |
235 | int error_code, const char * msgid, | |
236 | stmtblock_t * pblock) | |
f96d606f JD |
237 | { |
238 | stmtblock_t block; | |
239 | tree body; | |
240 | tree tmp; | |
241 | tree arg1, arg2, arg3; | |
242 | char *message; | |
243 | ||
244 | if (integer_zerop (cond)) | |
245 | return; | |
246 | ||
247 | /* The code to generate the error. */ | |
248 | gfc_start_block (&block); | |
8019105d | 249 | |
ed9c79e1 JJ |
250 | if (has_iostat) |
251 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_FORTRAN_FAIL_IO, | |
252 | NOT_TAKEN)); | |
253 | else | |
254 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_NORETURN, | |
255 | NOT_TAKEN)); | |
256 | ||
628c189e | 257 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
8019105d | 258 | |
f96d606f | 259 | arg2 = build_int_cst (integer_type_node, error_code), |
8019105d | 260 | |
f96d606f | 261 | asprintf (&message, "%s", _(msgid)); |
ee37d2f5 FXC |
262 | arg3 = gfc_build_addr_expr (pchar_type_node, |
263 | gfc_build_localized_cstring_const (message)); | |
cede9502 | 264 | free (message); |
8019105d | 265 | |
db3927fb AH |
266 | tmp = build_call_expr_loc (input_location, |
267 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
268 | |
269 | gfc_add_expr_to_block (&block, tmp); | |
270 | ||
271 | body = gfc_finish_block (&block); | |
272 | ||
273 | if (integer_onep (cond)) | |
274 | { | |
275 | gfc_add_expr_to_block (pblock, body); | |
276 | } | |
277 | else | |
278 | { | |
c2255bc4 | 279 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
280 | gfc_add_expr_to_block (pblock, tmp); |
281 | } | |
282 | } | |
283 | ||
284 | ||
6de9cd9a DN |
285 | /* Create function decls for IO library functions. */ |
286 | ||
287 | void | |
288 | gfc_build_io_library_fndecls (void) | |
289 | { | |
5e805e44 | 290 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 291 | tree gfc_intio_type_node; |
5e805e44 | 292 | tree parm_type, dt_parm_type; |
5e805e44 | 293 | HOST_WIDE_INT pad_size; |
09639a83 | 294 | unsigned int ptype; |
5e805e44 JJ |
295 | |
296 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
297 | types[IOPARM_type_intio] = gfc_intio_type_node |
298 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 299 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
300 | types[IOPARM_type_pintio] |
301 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
302 | types[IOPARM_type_parray] = pchar_type_node; |
303 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 304 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 305 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
df09d1d5 | 306 | pad_idx = build_index_type (size_int (pad_size - 1)); |
5e805e44 | 307 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
308 | |
309 | /* pad actually contains pointers and integers so it needs to have an | |
310 | alignment that is at least as large as the needed alignment for those | |
311 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
312 | what really goes into this space. */ | |
313 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
e1456843 | 314 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
7ae99337 | 315 | |
5e805e44 | 316 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 317 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 318 | |
6eb6875d | 319 | /* Define the transfer functions. */ |
6de9cd9a | 320 | |
5e805e44 JJ |
321 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
322 | ||
3f34855a TB |
323 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
324 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
325 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
326 | ||
6eb6875d TK |
327 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
328 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
329 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
330 | ||
3f34855a TB |
331 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
332 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
333 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
334 | ||
6eb6875d TK |
335 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
336 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
337 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
338 | ||
3f34855a TB |
339 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
340 | get_identifier (PREFIX("transfer_character")), ".wW", | |
341 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
342 | ||
6eb6875d TK |
343 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
344 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
345 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
346 | ||
3f34855a TB |
347 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
348 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
349 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
350 | gfc_charlen_type_node, gfc_int4_type_node); | |
351 | ||
6eb6875d TK |
352 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
353 | gfc_build_library_function_decl_with_spec ( | |
354 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
355 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
356 | gfc_charlen_type_node, gfc_int4_type_node); | |
357 | ||
3f34855a TB |
358 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
359 | get_identifier (PREFIX("transfer_real")), ".wW", | |
360 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
361 | ||
6eb6875d TK |
362 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
363 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
364 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
365 | ||
3f34855a TB |
366 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
367 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
368 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
369 | ||
6eb6875d TK |
370 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
371 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
372 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
373 | ||
1ec601bf FXC |
374 | /* Version for __float128. */ |
375 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
376 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
377 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
378 | ||
379 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
380 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
381 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
382 | ||
383 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
384 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
385 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
386 | ||
387 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
388 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
389 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
390 | ||
3f34855a | 391 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 392 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
393 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
394 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 395 | |
6eb6875d TK |
396 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
397 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
398 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
399 | integer_type_node, gfc_charlen_type_node); | |
400 | ||
6de9cd9a DN |
401 | /* Library entry points */ |
402 | ||
3f34855a TB |
403 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
404 | get_identifier (PREFIX("st_read")), ".w", | |
405 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 406 | |
3f34855a TB |
407 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
408 | get_identifier (PREFIX("st_write")), ".w", | |
409 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
410 | |
411 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
412 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
413 | get_identifier (PREFIX("st_open")), ".w", | |
414 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
415 | |
416 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
417 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
418 | get_identifier (PREFIX("st_close")), ".w", | |
419 | void_type_node, 1, parm_type); | |
6de9cd9a | 420 | |
5e805e44 | 421 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
422 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
423 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 424 | void_type_node, 1, parm_type); |
6de9cd9a | 425 | |
3f34855a TB |
426 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
427 | get_identifier (PREFIX("st_iolength")), ".w", | |
428 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 429 | |
3f34855a | 430 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 431 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
432 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
433 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 434 | void_type_node, 1, parm_type); |
6f0f0b2e | 435 | |
5e805e44 | 436 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
437 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
438 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 439 | void_type_node, 1, parm_type); |
6de9cd9a | 440 | |
3f34855a TB |
441 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
442 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 443 | void_type_node, 1, parm_type); |
6de9cd9a | 444 | |
3f34855a TB |
445 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
446 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 447 | void_type_node, 1, parm_type); |
6403ec5f | 448 | |
3f34855a TB |
449 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
450 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 451 | void_type_node, 1, parm_type); |
6403ec5f | 452 | |
6de9cd9a DN |
453 | /* Library helpers */ |
454 | ||
3f34855a TB |
455 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
456 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 457 | void_type_node, 1, dt_parm_type); |
8750f9cd | 458 | |
3f34855a TB |
459 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
460 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 461 | void_type_node, 1, dt_parm_type); |
8750f9cd | 462 | |
3f34855a TB |
463 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
464 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 465 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 466 | |
3f34855a TB |
467 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
468 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
469 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
0522a84e | 470 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 471 | |
3f34855a TB |
472 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
473 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
474 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
475 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
476 | } |
477 | ||
478 | ||
5e805e44 JJ |
479 | /* Generate code to store an integer constant into the |
480 | st_parameter_XXX structure. */ | |
481 | ||
482 | static unsigned int | |
483 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
484 | unsigned int val) | |
485 | { | |
486 | tree tmp; | |
487 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
488 | ||
489 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
490 | var = fold_build3_loc (input_location, COMPONENT_REF, |
491 | st_parameter[IOPARM_ptype_common].type, | |
492 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
493 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
494 | var, p->field, NULL_TREE); | |
726a989a | 495 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
5e805e44 JJ |
496 | return p->mask; |
497 | } | |
498 | ||
499 | ||
49de9e73 | 500 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 501 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 502 | |
5e805e44 | 503 | static unsigned int |
ed9c79e1 JJ |
504 | set_parameter_value (stmtblock_t *block, bool has_iostat, tree var, |
505 | enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
506 | { |
507 | gfc_se se; | |
508 | tree tmp; | |
5e805e44 | 509 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 510 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
511 | |
512 | gfc_init_se (&se, NULL); | |
f96d606f JD |
513 | gfc_conv_expr_val (&se, e); |
514 | ||
515 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 516 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 517 | { |
9ad55c33 | 518 | tree cond, val; |
f96d606f JD |
519 | int i; |
520 | ||
f96d606f JD |
521 | /* Don't evaluate the UNIT number multiple times. */ |
522 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
523 | ||
9ad55c33 JD |
524 | /* UNIT numbers should be greater than the min. */ |
525 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
526 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
65a9ca82 TB |
527 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
528 | se.expr, | |
529 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
530 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
531 | "Unit number in I/O statement too small", | |
532 | &se.pre); | |
8019105d | 533 | |
f96d606f | 534 | /* UNIT numbers should be less than the max. */ |
9ad55c33 | 535 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
65a9ca82 TB |
536 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
537 | se.expr, | |
538 | fold_convert (TREE_TYPE (se.expr), val)); | |
ed9c79e1 JJ |
539 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
540 | "Unit number in I/O statement too large", | |
541 | &se.pre); | |
f96d606f JD |
542 | |
543 | } | |
544 | ||
545 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
546 | gfc_add_block_to_block (block, &se.pre); |
547 | ||
5e805e44 | 548 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
549 | var = fold_build3_loc (input_location, COMPONENT_REF, |
550 | st_parameter[IOPARM_ptype_common].type, | |
551 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 552 | |
65a9ca82 TB |
553 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
554 | p->field, NULL_TREE); | |
726a989a | 555 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 556 | return p->mask; |
6de9cd9a DN |
557 | } |
558 | ||
559 | ||
49de9e73 | 560 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 561 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 562 | |
5e805e44 JJ |
563 | static unsigned int |
564 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
565 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
566 | { |
567 | gfc_se se; | |
5e805e44 JJ |
568 | tree tmp, addr; |
569 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 570 | |
5e805e44 | 571 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 572 | gfc_init_se (&se, NULL); |
5e805e44 | 573 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 574 | |
6de9cd9a DN |
575 | gfc_add_block_to_block (block, &se.pre); |
576 | ||
5e805e44 JJ |
577 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
578 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 579 | { |
628c189e | 580 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
581 | |
582 | /* If this is for the iostat variable initialize the | |
d74b97cc | 583 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 584 | if (type == IOPARM_common_iostat) |
726a989a | 585 | gfc_add_modify (block, se.expr, |
d74b97cc | 586 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 587 | } |
5e805e44 JJ |
588 | else |
589 | { | |
590 | /* The type used by the library has different size | |
f96d606f JD |
591 | from the type of the variable supplied by the user. |
592 | Need to use a temporary. */ | |
593 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
594 | st_parameter_field[type].name); | |
595 | ||
596 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 597 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 598 | if (type == IOPARM_common_iostat) |
726a989a | 599 | gfc_add_modify (block, tmpvar, |
d74b97cc | 600 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 601 | |
628c189e | 602 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 603 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 604 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 605 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 606 | } |
5e805e44 JJ |
607 | |
608 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
609 | var = fold_build3_loc (input_location, COMPONENT_REF, |
610 | st_parameter[IOPARM_ptype_common].type, | |
611 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
612 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
613 | var, p->field, NULL_TREE); | |
726a989a | 614 | gfc_add_modify (block, tmp, addr); |
5e805e44 | 615 | return p->mask; |
6de9cd9a DN |
616 | } |
617 | ||
d3642f89 FW |
618 | /* Given an array expr, find its address and length to get a string. If the |
619 | array is full, the string's address is the address of array's first element | |
7e279142 | 620 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 621 | string's address is the element's address and the length is the rest size of |
7e279142 | 622 | the array. */ |
d3642f89 FW |
623 | |
624 | static void | |
625 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
626 | { | |
d3642f89 | 627 | tree size; |
d3642f89 | 628 | |
7e279142 | 629 | if (e->rank == 0) |
d3642f89 | 630 | { |
7e279142 JJ |
631 | tree type, array, tmp; |
632 | gfc_symbol *sym; | |
633 | int rank; | |
634 | ||
635 | /* If it is an element, we need its address and size of the rest. */ | |
636 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
637 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
638 | sym = e->symtree->n.sym; | |
639 | rank = sym->as->rank - 1; | |
d3642f89 | 640 | gfc_conv_expr (se, e); |
d3642f89 | 641 | |
7e279142 JJ |
642 | array = sym->backend_decl; |
643 | type = TREE_TYPE (array); | |
d3642f89 | 644 | |
7e279142 JJ |
645 | if (GFC_ARRAY_TYPE_P (type)) |
646 | size = GFC_TYPE_ARRAY_SIZE (type); | |
647 | else | |
648 | { | |
649 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
650 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
651 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
652 | gfc_array_index_type, | |
653 | gfc_conv_array_ubound (array, rank), | |
654 | gfc_conv_array_lbound (array, rank)); | |
655 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
656 | gfc_array_index_type, tmp, | |
657 | gfc_index_one_node); | |
658 | size = fold_build2_loc (input_location, MULT_EXPR, | |
659 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
660 | } |
661 | gcc_assert (size); | |
d3642f89 | 662 | |
65a9ca82 TB |
663 | size = fold_build2_loc (input_location, MINUS_EXPR, |
664 | gfc_array_index_type, size, | |
665 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 666 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 667 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
668 | size = fold_build2_loc (input_location, MULT_EXPR, |
669 | gfc_array_index_type, size, | |
670 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
671 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
672 | return; | |
d3642f89 FW |
673 | } |
674 | ||
2960a368 | 675 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
d3642f89 FW |
676 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
677 | } | |
6de9cd9a | 678 | |
109b0ac2 | 679 | |
6de9cd9a | 680 | /* Generate code to store a string and its length into the |
5e805e44 | 681 | st_parameter_XXX structure. */ |
6de9cd9a | 682 | |
5e805e44 | 683 | static unsigned int |
6de9cd9a | 684 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 685 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
686 | { |
687 | gfc_se se; | |
688 | tree tmp; | |
6de9cd9a DN |
689 | tree io; |
690 | tree len; | |
5e805e44 | 691 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
692 | |
693 | gfc_init_se (&se, NULL); | |
6de9cd9a | 694 | |
5e805e44 | 695 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
696 | var = fold_build3_loc (input_location, COMPONENT_REF, |
697 | st_parameter[IOPARM_ptype_common].type, | |
698 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
699 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 700 | var, p->field, NULL_TREE); |
65a9ca82 TB |
701 | len = fold_build3_loc (input_location, COMPONENT_REF, |
702 | TREE_TYPE (p->field_len), | |
703 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 704 | |
7ab92584 | 705 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
706 | if (e->ts.type == BT_INTEGER |
707 | && e->rank == 0 | |
708 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 709 | { |
dd18a33b | 710 | char * msg; |
c8fe94c7 | 711 | tree cond; |
dd18a33b | 712 | |
ce2df7c6 | 713 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 714 | tmp = GFC_DECL_STRING_LEN (se.expr); |
65a9ca82 TB |
715 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
716 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 717 | |
c8fe94c7 FXC |
718 | asprintf(&msg, "Label assigned to variable '%s' (%%ld) is not a format " |
719 | "label", e->symtree->name); | |
0d52899f | 720 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 721 | fold_convert (long_integer_type_node, tmp)); |
cede9502 | 722 | free (msg); |
dd18a33b | 723 | |
726a989a | 724 | gfc_add_modify (&se.pre, io, |
b078dfbf | 725 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 726 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
727 | } |
728 | else | |
729 | { | |
d3642f89 FW |
730 | /* General character. */ |
731 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
732 | gfc_conv_expr (&se, e); | |
733 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 734 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
735 | gfc_convert_array_to_string (&se, e); |
736 | else | |
737 | gcc_unreachable (); | |
738 | ||
6de9cd9a | 739 | gfc_conv_string_parameter (&se); |
726a989a RB |
740 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
741 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
742 | } |
743 | ||
744 | gfc_add_block_to_block (block, &se.pre); | |
745 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 746 | return p->mask; |
6de9cd9a DN |
747 | } |
748 | ||
749 | ||
109b0ac2 PT |
750 | /* Generate code to store the character (array) and the character length |
751 | for an internal unit. */ | |
752 | ||
5e805e44 | 753 | static unsigned int |
d4feb3d3 PT |
754 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
755 | tree var, gfc_expr * e) | |
109b0ac2 PT |
756 | { |
757 | gfc_se se; | |
758 | tree io; | |
759 | tree len; | |
760 | tree desc; | |
761 | tree tmp; | |
5e805e44 JJ |
762 | gfc_st_parameter_field *p; |
763 | unsigned int mask; | |
109b0ac2 PT |
764 | |
765 | gfc_init_se (&se, NULL); | |
766 | ||
5e805e44 JJ |
767 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
768 | mask = p->mask; | |
65a9ca82 TB |
769 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
770 | var, p->field, NULL_TREE); | |
771 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
772 | var, p->field_len, NULL_TREE); | |
5e805e44 | 773 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
774 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
775 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
776 | |
777 | gcc_assert (e->ts.type == BT_CHARACTER); | |
778 | ||
779 | /* Character scalars. */ | |
780 | if (e->rank == 0) | |
781 | { | |
782 | gfc_conv_expr (&se, e); | |
783 | gfc_conv_string_parameter (&se); | |
784 | tmp = se.expr; | |
c3238e32 | 785 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
786 | } |
787 | ||
788 | /* Character array. */ | |
64db4d29 | 789 | else if (e->rank > 0) |
109b0ac2 | 790 | { |
1d6b7f39 | 791 | if (is_subref_array (e)) |
d4feb3d3 PT |
792 | { |
793 | /* Use a temporary for components of arrays of derived types | |
794 | or substring array references. */ | |
1d6b7f39 | 795 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 796 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
797 | tmp = build_fold_indirect_ref_loc (input_location, |
798 | se.expr); | |
d4feb3d3 PT |
799 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
800 | tmp = gfc_conv_descriptor_data_get (tmp); | |
801 | } | |
802 | else | |
803 | { | |
804 | /* Return the data pointer and rank from the descriptor. */ | |
2960a368 | 805 | gfc_conv_expr_descriptor (&se, e); |
d4feb3d3 PT |
806 | tmp = gfc_conv_descriptor_data_get (se.expr); |
807 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
808 | } | |
109b0ac2 PT |
809 | } |
810 | else | |
811 | gcc_unreachable (); | |
812 | ||
813 | /* The cast is needed for character substrings and the descriptor | |
814 | data. */ | |
726a989a RB |
815 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
816 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 817 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 818 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
819 | |
820 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 821 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 822 | return mask; |
109b0ac2 PT |
823 | } |
824 | ||
6de9cd9a DN |
825 | /* Add a case to a IO-result switch. */ |
826 | ||
827 | static void | |
828 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
829 | { | |
830 | tree tmp, value; | |
831 | ||
832 | if (label == NULL) | |
833 | return; /* No label, no case */ | |
834 | ||
df09d1d5 | 835 | value = build_int_cst (integer_type_node, label_value); |
6de9cd9a DN |
836 | |
837 | /* Make a backend label for this case. */ | |
c006df4e | 838 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
839 | |
840 | /* And the case itself. */ | |
3d528853 | 841 | tmp = build_case_label (value, NULL_TREE, tmp); |
6de9cd9a DN |
842 | gfc_add_expr_to_block (body, tmp); |
843 | ||
844 | /* Jump to the label. */ | |
845 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
846 | gfc_add_expr_to_block (body, tmp); | |
847 | } | |
848 | ||
849 | ||
850 | /* Generate a switch statement that branches to the correct I/O | |
851 | result label. The last statement of an I/O call stores the | |
852 | result into a variable because there is often cleanup that | |
853 | must be done before the switch, so a temporary would have to | |
854 | be created anyway. */ | |
855 | ||
856 | static void | |
5e805e44 | 857 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
858 | gfc_st_label * end_label, gfc_st_label * eor_label) |
859 | { | |
860 | stmtblock_t body; | |
861 | tree tmp, rc; | |
5e805e44 | 862 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
863 | |
864 | /* If no labels are specified, ignore the result instead | |
865 | of building an empty switch. */ | |
866 | if (err_label == NULL | |
867 | && end_label == NULL | |
868 | && eor_label == NULL) | |
869 | return; | |
870 | ||
871 | /* Build a switch statement. */ | |
872 | gfc_start_block (&body); | |
873 | ||
874 | /* The label values here must be the same as the values | |
875 | in the library_return enum in the runtime library */ | |
876 | add_case (1, err_label, &body); | |
877 | add_case (2, end_label, &body); | |
878 | add_case (3, eor_label, &body); | |
879 | ||
880 | tmp = gfc_finish_block (&body); | |
881 | ||
65a9ca82 TB |
882 | var = fold_build3_loc (input_location, COMPONENT_REF, |
883 | st_parameter[IOPARM_ptype_common].type, | |
884 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
885 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
886 | var, p->field, NULL_TREE); | |
887 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
888 | rc, build_int_cst (TREE_TYPE (rc), | |
889 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 890 | |
0cd2402d SB |
891 | tmp = fold_build3_loc (input_location, SWITCH_EXPR, NULL_TREE, |
892 | rc, tmp, NULL_TREE); | |
6de9cd9a DN |
893 | |
894 | gfc_add_expr_to_block (block, tmp); | |
895 | } | |
896 | ||
897 | ||
898 | /* Store the current file and line number to variables so that if a | |
899 | library call goes awry, we can tell the user where the problem is. */ | |
900 | ||
901 | static void | |
5e805e44 | 902 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
903 | { |
904 | gfc_file *f; | |
5e805e44 | 905 | tree str, locus_file; |
6de9cd9a | 906 | int line; |
5e805e44 | 907 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 908 | |
65a9ca82 TB |
909 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
910 | st_parameter[IOPARM_ptype_common].type, | |
911 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
912 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
913 | TREE_TYPE (p->field), locus_file, | |
914 | p->field, NULL_TREE); | |
d4fa05b9 | 915 | f = where->lb->file; |
5e805e44 | 916 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 917 | |
5e805e44 | 918 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 919 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 920 | |
c8cc8542 | 921 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 922 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
923 | } |
924 | ||
925 | ||
926 | /* Translate an OPEN statement. */ | |
927 | ||
928 | tree | |
929 | gfc_trans_open (gfc_code * code) | |
930 | { | |
931 | stmtblock_t block, post_block; | |
932 | gfc_open *p; | |
5e805e44 JJ |
933 | tree tmp, var; |
934 | unsigned int mask = 0; | |
6de9cd9a | 935 | |
5e805e44 | 936 | gfc_start_block (&block); |
6de9cd9a DN |
937 | gfc_init_block (&post_block); |
938 | ||
5e805e44 JJ |
939 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
940 | ||
941 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
942 | p = code->ext.open; |
943 | ||
f96d606f JD |
944 | if (p->iomsg) |
945 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
946 | p->iomsg); | |
947 | ||
948 | if (p->iostat) | |
949 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
950 | p->iostat); | |
951 | ||
952 | if (p->err) | |
953 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
954 | |
955 | if (p->file) | |
5e805e44 | 956 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
957 | |
958 | if (p->status) | |
5e805e44 JJ |
959 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
960 | p->status); | |
6de9cd9a DN |
961 | |
962 | if (p->access) | |
5e805e44 JJ |
963 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
964 | p->access); | |
6de9cd9a DN |
965 | |
966 | if (p->form) | |
5e805e44 | 967 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
968 | |
969 | if (p->recl) | |
ed9c79e1 JJ |
970 | mask |= set_parameter_value (&block, p->iostat, var, IOPARM_open_recl_in, |
971 | p->recl); | |
6de9cd9a DN |
972 | |
973 | if (p->blank) | |
5e805e44 JJ |
974 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
975 | p->blank); | |
6de9cd9a DN |
976 | |
977 | if (p->position) | |
5e805e44 JJ |
978 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
979 | p->position); | |
6de9cd9a DN |
980 | |
981 | if (p->action) | |
5e805e44 JJ |
982 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
983 | p->action); | |
6de9cd9a DN |
984 | |
985 | if (p->delim) | |
5e805e44 JJ |
986 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
987 | p->delim); | |
6de9cd9a DN |
988 | |
989 | if (p->pad) | |
5e805e44 | 990 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 991 | |
6f0f0b2e JD |
992 | if (p->decimal) |
993 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
994 | p->decimal); | |
995 | ||
996 | if (p->encoding) | |
997 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
998 | p->encoding); | |
999 | ||
1000 | if (p->round) | |
1001 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
1002 | ||
1003 | if (p->sign) | |
1004 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
1005 | ||
1006 | if (p->asynchronous) | |
1007 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
1008 | p->asynchronous); | |
1009 | ||
181c9f4a TK |
1010 | if (p->convert) |
1011 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1012 | p->convert); | |
8019105d | 1013 | |
9ad55c33 JD |
1014 | if (p->newunit) |
1015 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1016 | p->newunit); | |
181c9f4a | 1017 | |
5e805e44 JJ |
1018 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1019 | ||
f96d606f | 1020 | if (p->unit) |
ed9c79e1 | 1021 | set_parameter_value (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1022 | else |
1023 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1024 | ||
628c189e | 1025 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1026 | tmp = build_call_expr_loc (input_location, |
1027 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1028 | gfc_add_expr_to_block (&block, tmp); |
1029 | ||
1030 | gfc_add_block_to_block (&block, &post_block); | |
1031 | ||
5e805e44 | 1032 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1033 | |
1034 | return gfc_finish_block (&block); | |
1035 | } | |
1036 | ||
1037 | ||
1038 | /* Translate a CLOSE statement. */ | |
1039 | ||
1040 | tree | |
1041 | gfc_trans_close (gfc_code * code) | |
1042 | { | |
1043 | stmtblock_t block, post_block; | |
1044 | gfc_close *p; | |
5e805e44 JJ |
1045 | tree tmp, var; |
1046 | unsigned int mask = 0; | |
6de9cd9a | 1047 | |
5e805e44 | 1048 | gfc_start_block (&block); |
6de9cd9a DN |
1049 | gfc_init_block (&post_block); |
1050 | ||
5e805e44 JJ |
1051 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1052 | ||
1053 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1054 | p = code->ext.close; |
1055 | ||
7aba8abe | 1056 | if (p->iomsg) |
5e805e44 JJ |
1057 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1058 | p->iomsg); | |
7aba8abe | 1059 | |
6de9cd9a | 1060 | if (p->iostat) |
5e805e44 JJ |
1061 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1062 | p->iostat); | |
6de9cd9a DN |
1063 | |
1064 | if (p->err) | |
5e805e44 JJ |
1065 | mask |= IOPARM_common_err; |
1066 | ||
f96d606f JD |
1067 | if (p->status) |
1068 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1069 | p->status); | |
1070 | ||
5e805e44 | 1071 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1072 | |
f96d606f | 1073 | if (p->unit) |
ed9c79e1 | 1074 | set_parameter_value (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1075 | else |
1076 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1077 | ||
628c189e | 1078 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1079 | tmp = build_call_expr_loc (input_location, |
1080 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1081 | gfc_add_expr_to_block (&block, tmp); |
1082 | ||
1083 | gfc_add_block_to_block (&block, &post_block); | |
1084 | ||
5e805e44 | 1085 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1086 | |
1087 | return gfc_finish_block (&block); | |
1088 | } | |
1089 | ||
1090 | ||
1091 | /* Common subroutine for building a file positioning statement. */ | |
1092 | ||
1093 | static tree | |
1094 | build_filepos (tree function, gfc_code * code) | |
1095 | { | |
7aba8abe | 1096 | stmtblock_t block, post_block; |
6de9cd9a | 1097 | gfc_filepos *p; |
5e805e44 JJ |
1098 | tree tmp, var; |
1099 | unsigned int mask = 0; | |
6de9cd9a DN |
1100 | |
1101 | p = code->ext.filepos; | |
1102 | ||
5e805e44 | 1103 | gfc_start_block (&block); |
7aba8abe | 1104 | gfc_init_block (&post_block); |
6de9cd9a | 1105 | |
5e805e44 JJ |
1106 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1107 | "filepos_parm"); | |
1108 | ||
1109 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1110 | |
7aba8abe | 1111 | if (p->iomsg) |
5e805e44 JJ |
1112 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1113 | p->iomsg); | |
7aba8abe | 1114 | |
6de9cd9a | 1115 | if (p->iostat) |
5e805e44 JJ |
1116 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1117 | p->iostat); | |
6de9cd9a DN |
1118 | |
1119 | if (p->err) | |
5e805e44 JJ |
1120 | mask |= IOPARM_common_err; |
1121 | ||
1122 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1123 | |
f96d606f | 1124 | if (p->unit) |
ed9c79e1 | 1125 | set_parameter_value (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1126 | else |
1127 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1128 | ||
628c189e | 1129 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1130 | tmp = build_call_expr_loc (input_location, |
1131 | function, 1, tmp); | |
6de9cd9a DN |
1132 | gfc_add_expr_to_block (&block, tmp); |
1133 | ||
7aba8abe TK |
1134 | gfc_add_block_to_block (&block, &post_block); |
1135 | ||
5e805e44 | 1136 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1137 | |
1138 | return gfc_finish_block (&block); | |
1139 | } | |
1140 | ||
1141 | ||
1142 | /* Translate a BACKSPACE statement. */ | |
1143 | ||
1144 | tree | |
1145 | gfc_trans_backspace (gfc_code * code) | |
1146 | { | |
5e805e44 | 1147 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1148 | } |
1149 | ||
1150 | ||
1151 | /* Translate an ENDFILE statement. */ | |
1152 | ||
1153 | tree | |
1154 | gfc_trans_endfile (gfc_code * code) | |
1155 | { | |
5e805e44 | 1156 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1157 | } |
1158 | ||
1159 | ||
1160 | /* Translate a REWIND statement. */ | |
1161 | ||
1162 | tree | |
1163 | gfc_trans_rewind (gfc_code * code) | |
1164 | { | |
5e805e44 | 1165 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1166 | } |
1167 | ||
1168 | ||
6403ec5f JB |
1169 | /* Translate a FLUSH statement. */ |
1170 | ||
1171 | tree | |
1172 | gfc_trans_flush (gfc_code * code) | |
1173 | { | |
5e805e44 | 1174 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1175 | } |
1176 | ||
1177 | ||
c16dd6a8 JD |
1178 | /* Create a dummy iostat variable to catch any error due to bad unit. */ |
1179 | ||
1180 | static gfc_expr * | |
1181 | create_dummy_iostat (void) | |
1182 | { | |
1183 | gfc_symtree *st; | |
1184 | gfc_expr *e; | |
1185 | ||
1186 | gfc_get_ha_sym_tree ("@iostat", &st); | |
1187 | st->n.sym->ts.type = BT_INTEGER; | |
1188 | st->n.sym->ts.kind = gfc_default_integer_kind; | |
1189 | gfc_set_sym_referenced (st->n.sym); | |
bc9d9552 | 1190 | gfc_commit_symbol (st->n.sym); |
c16dd6a8 JD |
1191 | st->n.sym->backend_decl |
1192 | = gfc_create_var (gfc_get_int_type (st->n.sym->ts.kind), | |
1193 | st->n.sym->name); | |
1194 | ||
1195 | e = gfc_get_expr (); | |
1196 | e->expr_type = EXPR_VARIABLE; | |
1197 | e->symtree = st; | |
1198 | e->ts.type = BT_INTEGER; | |
1199 | e->ts.kind = st->n.sym->ts.kind; | |
1200 | ||
1201 | return e; | |
1202 | } | |
1203 | ||
1204 | ||
6de9cd9a DN |
1205 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1206 | ||
1207 | tree | |
1208 | gfc_trans_inquire (gfc_code * code) | |
1209 | { | |
1210 | stmtblock_t block, post_block; | |
1211 | gfc_inquire *p; | |
5e805e44 | 1212 | tree tmp, var; |
6f0f0b2e | 1213 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1214 | |
5e805e44 | 1215 | gfc_start_block (&block); |
6de9cd9a DN |
1216 | gfc_init_block (&post_block); |
1217 | ||
5e805e44 JJ |
1218 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1219 | "inquire_parm"); | |
1220 | ||
1221 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1222 | p = code->ext.inquire; |
1223 | ||
7aba8abe | 1224 | if (p->iomsg) |
5e805e44 JJ |
1225 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1226 | p->iomsg); | |
7aba8abe | 1227 | |
6de9cd9a | 1228 | if (p->iostat) |
5e805e44 JJ |
1229 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1230 | p->iostat); | |
6de9cd9a | 1231 | |
f96d606f JD |
1232 | if (p->err) |
1233 | mask |= IOPARM_common_err; | |
1234 | ||
1235 | /* Sanity check. */ | |
1236 | if (p->unit && p->file) | |
1237 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1238 | ||
1239 | if (p->file) | |
1240 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1241 | p->file); | |
1242 | ||
6de9cd9a | 1243 | if (p->exist) |
c16dd6a8 JD |
1244 | { |
1245 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, | |
1246 | p->exist); | |
8019105d | 1247 | |
c16dd6a8 JD |
1248 | if (p->unit && !p->iostat) |
1249 | { | |
1250 | p->iostat = create_dummy_iostat (); | |
1251 | mask |= set_parameter_ref (&block, &post_block, var, | |
1252 | IOPARM_common_iostat, p->iostat); | |
1253 | } | |
1254 | } | |
6de9cd9a DN |
1255 | |
1256 | if (p->opened) | |
5e805e44 JJ |
1257 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1258 | p->opened); | |
6de9cd9a DN |
1259 | |
1260 | if (p->number) | |
5e805e44 JJ |
1261 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1262 | p->number); | |
6de9cd9a DN |
1263 | |
1264 | if (p->named) | |
5e805e44 JJ |
1265 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1266 | p->named); | |
6de9cd9a DN |
1267 | |
1268 | if (p->name) | |
5e805e44 JJ |
1269 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1270 | p->name); | |
6de9cd9a DN |
1271 | |
1272 | if (p->access) | |
5e805e44 JJ |
1273 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1274 | p->access); | |
6de9cd9a DN |
1275 | |
1276 | if (p->sequential) | |
5e805e44 JJ |
1277 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1278 | p->sequential); | |
6de9cd9a DN |
1279 | |
1280 | if (p->direct) | |
5e805e44 JJ |
1281 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1282 | p->direct); | |
6de9cd9a DN |
1283 | |
1284 | if (p->form) | |
5e805e44 JJ |
1285 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1286 | p->form); | |
6de9cd9a DN |
1287 | |
1288 | if (p->formatted) | |
5e805e44 JJ |
1289 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1290 | p->formatted); | |
6de9cd9a DN |
1291 | |
1292 | if (p->unformatted) | |
5e805e44 JJ |
1293 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1294 | p->unformatted); | |
6de9cd9a DN |
1295 | |
1296 | if (p->recl) | |
5e805e44 JJ |
1297 | mask |= set_parameter_ref (&block, &post_block, var, |
1298 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1299 | |
1300 | if (p->nextrec) | |
5e805e44 JJ |
1301 | mask |= set_parameter_ref (&block, &post_block, var, |
1302 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1303 | |
1304 | if (p->blank) | |
5e805e44 JJ |
1305 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1306 | p->blank); | |
6de9cd9a | 1307 | |
d06b3496 JD |
1308 | if (p->delim) |
1309 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1310 | p->delim); | |
1311 | ||
6de9cd9a | 1312 | if (p->position) |
5e805e44 JJ |
1313 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1314 | p->position); | |
6de9cd9a DN |
1315 | |
1316 | if (p->action) | |
5e805e44 JJ |
1317 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1318 | p->action); | |
6de9cd9a DN |
1319 | |
1320 | if (p->read) | |
5e805e44 JJ |
1321 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1322 | p->read); | |
6de9cd9a DN |
1323 | |
1324 | if (p->write) | |
5e805e44 JJ |
1325 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1326 | p->write); | |
6de9cd9a DN |
1327 | |
1328 | if (p->readwrite) | |
5e805e44 JJ |
1329 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1330 | p->readwrite); | |
6de9cd9a | 1331 | |
dae24534 | 1332 | if (p->pad) |
5e805e44 JJ |
1333 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1334 | p->pad); | |
8019105d | 1335 | |
181c9f4a TK |
1336 | if (p->convert) |
1337 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1338 | p->convert); | |
1339 | ||
014ec6ee JD |
1340 | if (p->strm_pos) |
1341 | mask |= set_parameter_ref (&block, &post_block, var, | |
1342 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1343 | ||
6f0f0b2e JD |
1344 | /* The second series of flags. */ |
1345 | if (p->asynchronous) | |
1346 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1347 | p->asynchronous); | |
1348 | ||
1349 | if (p->decimal) | |
1350 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1351 | p->decimal); | |
1352 | ||
1353 | if (p->encoding) | |
1354 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1355 | p->encoding); | |
1356 | ||
1357 | if (p->round) | |
1358 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1359 | p->round); | |
1360 | ||
1361 | if (p->sign) | |
1362 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1363 | p->sign); | |
1364 | ||
1365 | if (p->pending) | |
1366 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1367 | IOPARM_inquire_pending, p->pending); | |
1368 | ||
1369 | if (p->size) | |
1370 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1371 | p->size); | |
1372 | ||
1373 | if (p->id) | |
d06b3496 JD |
1374 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1375 | p->id); | |
93e8af19 JD |
1376 | if (p->iqstream) |
1377 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_iqstream, | |
1378 | p->iqstream); | |
6f0f0b2e | 1379 | |
6f0f0b2e | 1380 | if (mask2) |
e1456843 | 1381 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1382 | |
5e805e44 | 1383 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1384 | |
f96d606f | 1385 | if (p->unit) |
ed9c79e1 | 1386 | set_parameter_value (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
f96d606f JD |
1387 | else |
1388 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1389 | ||
628c189e | 1390 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1391 | tmp = build_call_expr_loc (input_location, |
1392 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1393 | gfc_add_expr_to_block (&block, tmp); |
1394 | ||
1395 | gfc_add_block_to_block (&block, &post_block); | |
1396 | ||
5e805e44 | 1397 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1398 | |
1399 | return gfc_finish_block (&block); | |
1400 | } | |
1401 | ||
6f0f0b2e JD |
1402 | |
1403 | tree | |
1404 | gfc_trans_wait (gfc_code * code) | |
1405 | { | |
1406 | stmtblock_t block, post_block; | |
1407 | gfc_wait *p; | |
1408 | tree tmp, var; | |
1409 | unsigned int mask = 0; | |
1410 | ||
1411 | gfc_start_block (&block); | |
1412 | gfc_init_block (&post_block); | |
1413 | ||
1414 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1415 | "wait_parm"); | |
1416 | ||
1417 | set_error_locus (&block, var, &code->loc); | |
1418 | p = code->ext.wait; | |
1419 | ||
1420 | /* Set parameters here. */ | |
1421 | if (p->iomsg) | |
1422 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1423 | p->iomsg); | |
1424 | ||
1425 | if (p->iostat) | |
1426 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1427 | p->iostat); | |
1428 | ||
1429 | if (p->err) | |
1430 | mask |= IOPARM_common_err; | |
1431 | ||
1432 | if (p->id) | |
ed9c79e1 | 1433 | mask |= set_parameter_value (&block, p->iostat, var, IOPARM_wait_id, p->id); |
6f0f0b2e JD |
1434 | |
1435 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1436 | ||
1437 | if (p->unit) | |
ed9c79e1 | 1438 | set_parameter_value (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
6f0f0b2e | 1439 | |
628c189e | 1440 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1441 | tmp = build_call_expr_loc (input_location, |
1442 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1443 | gfc_add_expr_to_block (&block, tmp); |
1444 | ||
1445 | gfc_add_block_to_block (&block, &post_block); | |
1446 | ||
1447 | io_result (&block, var, p->err, NULL, NULL); | |
1448 | ||
1449 | return gfc_finish_block (&block); | |
1450 | ||
1451 | } | |
1452 | ||
6de9cd9a | 1453 | |
29dc5138 | 1454 | /* nml_full_name builds up the fully qualified name of a |
3b111bd7 | 1455 | derived type component. '+' is used to denote a type extension. */ |
29dc5138 PT |
1456 | |
1457 | static char* | |
3b111bd7 | 1458 | nml_full_name (const char* var_name, const char* cmp_name, bool parent) |
6de9cd9a | 1459 | { |
29dc5138 PT |
1460 | int full_name_length; |
1461 | char * full_name; | |
1462 | ||
1463 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
93acb62c | 1464 | full_name = XCNEWVEC (char, full_name_length + 1); |
29dc5138 | 1465 | strcpy (full_name, var_name); |
3b111bd7 | 1466 | full_name = strcat (full_name, parent ? "+" : "%"); |
29dc5138 PT |
1467 | full_name = strcat (full_name, cmp_name); |
1468 | return full_name; | |
6de9cd9a DN |
1469 | } |
1470 | ||
19d36107 | 1471 | |
29dc5138 PT |
1472 | /* nml_get_addr_expr builds an address expression from the |
1473 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1474 | provided so that the address of an element of an array of | |
1475 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1476 | determine that span of the derived type. */ |
29dc5138 PT |
1477 | |
1478 | static tree | |
1479 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1480 | tree base_addr) | |
1481 | { | |
1482 | tree decl = NULL_TREE; | |
1483 | tree tmp; | |
29dc5138 PT |
1484 | |
1485 | if (sym) | |
1486 | { | |
1487 | sym->attr.referenced = 1; | |
1488 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1489 | |
1490 | /* If this is the enclosing function declaration, use | |
1491 | the fake result instead. */ | |
1492 | if (decl == current_function_decl) | |
1493 | decl = gfc_get_fake_result_decl (sym, 0); | |
1494 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1495 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1496 | } |
1497 | else | |
1498 | decl = c->backend_decl; | |
1499 | ||
1500 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1501 | || TREE_CODE (decl) == VAR_DECL | |
1502 | || TREE_CODE (decl) == PARM_DECL) | |
1503 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1504 | ||
1505 | tmp = decl; | |
1506 | ||
1507 | /* Build indirect reference, if dummy argument. */ | |
1508 | ||
19d36107 TB |
1509 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1510 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
29dc5138 PT |
1511 | |
1512 | /* Treat the component of a derived type, using base_addr for | |
1513 | the derived type. */ | |
1514 | ||
1515 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1516 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1517 | base_addr, tmp, NULL_TREE); | |
29dc5138 | 1518 | |
19d36107 TB |
1519 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1520 | tmp = gfc_conv_array_data (tmp); | |
1521 | else | |
1522 | { | |
1523 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1524 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
29dc5138 | 1525 | |
19d36107 TB |
1526 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1527 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
29dc5138 | 1528 | |
19d36107 TB |
1529 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1530 | tmp = build_fold_indirect_ref_loc (input_location, | |
db3927fb | 1531 | tmp); |
19d36107 | 1532 | } |
29dc5138 PT |
1533 | |
1534 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1535 | ||
1536 | return tmp; | |
1537 | } | |
3bc268e6 | 1538 | |
19d36107 | 1539 | |
29dc5138 | 1540 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1541 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1542 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1543 | |
29dc5138 | 1544 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1545 | |
1546 | static void | |
29dc5138 PT |
1547 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1548 | gfc_symbol * sym, gfc_component * c, | |
1549 | tree base_addr) | |
3bc268e6 | 1550 | { |
29dc5138 PT |
1551 | gfc_typespec * ts = NULL; |
1552 | gfc_array_spec * as = NULL; | |
1553 | tree addr_expr = NULL; | |
1554 | tree dt = NULL; | |
1555 | tree string; | |
1556 | tree tmp; | |
29dc5138 | 1557 | tree dtype; |
5e805e44 | 1558 | tree dt_parm_addr; |
19d36107 | 1559 | tree decl = NULL_TREE; |
0522a84e | 1560 | tree gfc_int4_type_node = gfc_get_int_type (4); |
8019105d | 1561 | int n_dim; |
29dc5138 PT |
1562 | int itype; |
1563 | int rank = 0; | |
3bc268e6 | 1564 | |
29dc5138 | 1565 | gcc_assert (sym || c); |
3bc268e6 | 1566 | |
29dc5138 PT |
1567 | /* Build the namelist object name. */ |
1568 | ||
1569 | string = gfc_build_cstring_const (var_name); | |
1570 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1571 | ||
1572 | /* Build ts, as and data address using symbol or component. */ | |
1573 | ||
1574 | ts = (sym) ? &sym->ts : &c->ts; | |
1575 | as = (sym) ? sym->as : c->as; | |
1576 | ||
1577 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1578 | ||
1579 | if (as) | |
1580 | rank = as->rank; | |
1581 | ||
1582 | if (rank) | |
3bc268e6 | 1583 | { |
19d36107 TB |
1584 | decl = (sym) ? sym->backend_decl : c->backend_decl; |
1585 | if (sym && sym->attr.dummy) | |
1586 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
1587 | dt = TREE_TYPE (decl); | |
29dc5138 | 1588 | dtype = gfc_get_dtype (dt); |
3bc268e6 | 1589 | } |
29dc5138 PT |
1590 | else |
1591 | { | |
a11930ba | 1592 | itype = ts->type; |
29dc5138 | 1593 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1594 | } |
1595 | ||
29dc5138 PT |
1596 | /* Build up the arguments for the transfer call. |
1597 | The call for the scalar part transfers: | |
1598 | (address, name, type, kind or string_length, dtype) */ | |
1599 | ||
628c189e | 1600 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 PT |
1601 | |
1602 | if (ts->type == BT_CHARACTER) | |
bc21d315 | 1603 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1604 | else |
5039610b | 1605 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
db3927fb AH |
1606 | tmp = build_call_expr_loc (input_location, |
1607 | iocall[IOCALL_SET_NML_VAL], 6, | |
5039610b | 1608 | dt_parm_addr, addr_expr, string, |
0522a84e TB |
1609 | build_int_cst (gfc_int4_type_node, ts->kind), |
1610 | tmp, dtype); | |
3bc268e6 | 1611 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1612 | |
1613 | /* If the object is an array, transfer rank times: | |
1614 | (null pointer, name, stride, lbound, ubound) */ | |
1615 | ||
1616 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1617 | { | |
db3927fb AH |
1618 | tmp = build_call_expr_loc (input_location, |
1619 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b | 1620 | dt_parm_addr, |
0522a84e | 1621 | build_int_cst (gfc_int4_type_node, n_dim), |
19d36107 TB |
1622 | gfc_conv_array_stride (decl, n_dim), |
1623 | gfc_conv_array_lbound (decl, n_dim), | |
1624 | gfc_conv_array_ubound (decl, n_dim)); | |
29dc5138 PT |
1625 | gfc_add_expr_to_block (block, tmp); |
1626 | } | |
1627 | ||
fc2655fb | 1628 | if (ts->type == BT_DERIVED && ts->u.derived->components) |
29dc5138 PT |
1629 | { |
1630 | gfc_component *cmp; | |
1631 | ||
1632 | /* Provide the RECORD_TYPE to build component references. */ | |
1633 | ||
db3927fb AH |
1634 | tree expr = build_fold_indirect_ref_loc (input_location, |
1635 | addr_expr); | |
29dc5138 | 1636 | |
bc21d315 | 1637 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 | 1638 | { |
3b111bd7 JD |
1639 | char *full_name = nml_full_name (var_name, cmp->name, |
1640 | ts->u.derived->attr.extension); | |
29dc5138 PT |
1641 | transfer_namelist_element (block, |
1642 | full_name, | |
1643 | NULL, cmp, expr); | |
cede9502 | 1644 | free (full_name); |
29dc5138 PT |
1645 | } |
1646 | } | |
3bc268e6 | 1647 | } |
6de9cd9a | 1648 | |
29dc5138 | 1649 | #undef IARG |
29dc5138 | 1650 | |
6de9cd9a DN |
1651 | /* Create a data transfer statement. Not all of the fields are valid |
1652 | for both reading and writing, but improper use has been filtered | |
1653 | out by now. */ | |
1654 | ||
1655 | static tree | |
5e805e44 | 1656 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1657 | { |
d4feb3d3 | 1658 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1659 | gfc_dt *dt; |
5e805e44 | 1660 | tree tmp, var; |
29dc5138 | 1661 | gfc_expr *nmlname; |
3bc268e6 | 1662 | gfc_namelist *nml; |
5e1bdeb7 | 1663 | unsigned int mask = 0; |
6de9cd9a | 1664 | |
5e805e44 | 1665 | gfc_start_block (&block); |
6de9cd9a | 1666 | gfc_init_block (&post_block); |
5e805e44 | 1667 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1668 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1669 | |
1670 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1671 | ||
1672 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1673 | |
5e805e44 JJ |
1674 | if (last_dt == IOLENGTH) |
1675 | { | |
1676 | gfc_inquire *inq; | |
1677 | ||
1678 | inq = code->ext.inquire; | |
6de9cd9a | 1679 | |
5e805e44 JJ |
1680 | /* First check that preconditions are met. */ |
1681 | gcc_assert (inq != NULL); | |
1682 | gcc_assert (inq->iolength != NULL); | |
1683 | ||
1684 | /* Connect to the iolength variable. */ | |
1685 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1686 | IOPARM_dt_iolength, inq->iolength); | |
1687 | dt = NULL; | |
1688 | } | |
1689 | else | |
1690 | { | |
1691 | dt = code->ext.dt; | |
1692 | gcc_assert (dt != NULL); | |
1693 | } | |
8750f9cd | 1694 | |
5e805e44 | 1695 | if (dt && dt->io_unit) |
6de9cd9a DN |
1696 | { |
1697 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1698 | { | |
d4feb3d3 PT |
1699 | mask |= set_internal_unit (&block, &post_iu_block, |
1700 | var, dt->io_unit); | |
c8dce2cf JD |
1701 | set_parameter_const (&block, var, IOPARM_common_unit, |
1702 | dt->io_unit->ts.kind == 1 ? 0 : -1); | |
6de9cd9a | 1703 | } |
6de9cd9a | 1704 | } |
5e805e44 JJ |
1705 | else |
1706 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1707 | |
5e805e44 JJ |
1708 | if (dt) |
1709 | { | |
f96d606f JD |
1710 | if (dt->iomsg) |
1711 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1712 | dt->iomsg); | |
1713 | ||
1714 | if (dt->iostat) | |
1715 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1716 | IOPARM_common_iostat, dt->iostat); | |
1717 | ||
1718 | if (dt->err) | |
1719 | mask |= IOPARM_common_err; | |
1720 | ||
1721 | if (dt->eor) | |
1722 | mask |= IOPARM_common_eor; | |
1723 | ||
1724 | if (dt->end) | |
1725 | mask |= IOPARM_common_end; | |
1726 | ||
6f0f0b2e JD |
1727 | if (dt->id) |
1728 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1729 | IOPARM_dt_id, dt->id); | |
1730 | ||
1731 | if (dt->pos) | |
ed9c79e1 JJ |
1732 | mask |= set_parameter_value (&block, dt->iostat, var, IOPARM_dt_pos, |
1733 | dt->pos); | |
6f0f0b2e JD |
1734 | |
1735 | if (dt->asynchronous) | |
1736 | mask |= set_string (&block, &post_block, var, IOPARM_dt_asynchronous, | |
1737 | dt->asynchronous); | |
1738 | ||
1739 | if (dt->blank) | |
1740 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1741 | dt->blank); | |
1742 | ||
1743 | if (dt->decimal) | |
1744 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1745 | dt->decimal); | |
1746 | ||
1747 | if (dt->delim) | |
1748 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1749 | dt->delim); | |
1750 | ||
1751 | if (dt->pad) | |
1752 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1753 | dt->pad); | |
1754 | ||
1755 | if (dt->round) | |
1756 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1757 | dt->round); | |
1758 | ||
1759 | if (dt->sign) | |
1760 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1761 | dt->sign); | |
1762 | ||
5e805e44 | 1763 | if (dt->rec) |
ed9c79e1 JJ |
1764 | mask |= set_parameter_value (&block, dt->iostat, var, IOPARM_dt_rec, |
1765 | dt->rec); | |
6de9cd9a | 1766 | |
5e805e44 JJ |
1767 | if (dt->advance) |
1768 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1769 | dt->advance); | |
6de9cd9a | 1770 | |
5e805e44 | 1771 | if (dt->format_expr) |
9341698a | 1772 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1773 | dt->format_expr); |
6de9cd9a | 1774 | |
5e805e44 JJ |
1775 | if (dt->format_label) |
1776 | { | |
1777 | if (dt->format_label == &format_asterisk) | |
1778 | mask |= IOPARM_dt_list_format; | |
1779 | else | |
1780 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1781 | dt->format_label->format); | |
1782 | } | |
6de9cd9a | 1783 | |
5e805e44 JJ |
1784 | if (dt->size) |
1785 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1786 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1787 | |
5e805e44 JJ |
1788 | if (dt->namelist) |
1789 | { | |
1790 | if (dt->format_expr || dt->format_label) | |
1791 | gfc_internal_error ("build_dt: format with namelist"); | |
1792 | ||
b7e75771 JD |
1793 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1794 | dt->namelist->name, | |
1795 | strlen (dt->namelist->name)); | |
29dc5138 | 1796 | |
5e805e44 JJ |
1797 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1798 | nmlname); | |
29dc5138 | 1799 | |
76c1a7ec TB |
1800 | gfc_free_expr (nmlname); |
1801 | ||
5e805e44 JJ |
1802 | if (last_dt == READ) |
1803 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1804 | |
5e805e44 | 1805 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1806 | |
5e805e44 JJ |
1807 | dt_parm = var; |
1808 | ||
1809 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1810 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1811 | NULL, NULL_TREE); |
5e805e44 JJ |
1812 | } |
1813 | else | |
1814 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1815 | |
1816 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
ed9c79e1 JJ |
1817 | set_parameter_value (&block, dt->iostat, var, IOPARM_common_unit, |
1818 | dt->io_unit); | |
6de9cd9a | 1819 | } |
5e805e44 JJ |
1820 | else |
1821 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1822 | |
628c189e | 1823 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 1824 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 1825 | function, 1, tmp); |
6de9cd9a DN |
1826 | gfc_add_expr_to_block (&block, tmp); |
1827 | ||
1828 | gfc_add_block_to_block (&block, &post_block); | |
1829 | ||
5e805e44 JJ |
1830 | dt_parm = var; |
1831 | dt_post_end_block = &post_end_block; | |
1832 | ||
bc51e726 JD |
1833 | /* Set implied do loop exit condition. */ |
1834 | if (last_dt == READ || last_dt == WRITE) | |
1835 | { | |
1836 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1837 | ||
65a9ca82 TB |
1838 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1839 | st_parameter[IOPARM_ptype_common].type, | |
1840 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1841 | NULL_TREE); | |
1842 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1843 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1844 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1845 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1846 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
1847 | } |
1848 | else /* IOLENGTH */ | |
1849 | tmp = NULL_TREE; | |
1850 | ||
1851 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 1852 | |
d4feb3d3 PT |
1853 | gfc_add_block_to_block (&block, &post_iu_block); |
1854 | ||
5e805e44 JJ |
1855 | dt_parm = NULL; |
1856 | dt_post_end_block = NULL; | |
1857 | ||
6de9cd9a DN |
1858 | return gfc_finish_block (&block); |
1859 | } | |
1860 | ||
1861 | ||
8750f9cd JB |
1862 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1863 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1864 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1865 | |
1866 | tree | |
1867 | gfc_trans_iolength (gfc_code * code) | |
1868 | { | |
8750f9cd | 1869 | last_dt = IOLENGTH; |
5e805e44 | 1870 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1871 | } |
1872 | ||
1873 | ||
6de9cd9a DN |
1874 | /* Translate a READ statement. */ |
1875 | ||
1876 | tree | |
1877 | gfc_trans_read (gfc_code * code) | |
1878 | { | |
6de9cd9a | 1879 | last_dt = READ; |
5e805e44 | 1880 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1881 | } |
1882 | ||
1883 | ||
1884 | /* Translate a WRITE statement */ | |
1885 | ||
1886 | tree | |
1887 | gfc_trans_write (gfc_code * code) | |
1888 | { | |
6de9cd9a | 1889 | last_dt = WRITE; |
5e805e44 | 1890 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1891 | } |
1892 | ||
1893 | ||
1894 | /* Finish a data transfer statement. */ | |
1895 | ||
1896 | tree | |
1897 | gfc_trans_dt_end (gfc_code * code) | |
1898 | { | |
1899 | tree function, tmp; | |
1900 | stmtblock_t block; | |
1901 | ||
1902 | gfc_init_block (&block); | |
1903 | ||
8750f9cd JB |
1904 | switch (last_dt) |
1905 | { | |
1906 | case READ: | |
5e805e44 | 1907 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1908 | break; |
1909 | ||
1910 | case WRITE: | |
5e805e44 | 1911 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1912 | break; |
1913 | ||
1914 | case IOLENGTH: | |
5e805e44 | 1915 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1916 | break; |
1917 | ||
1918 | default: | |
6e45f57b | 1919 | gcc_unreachable (); |
8750f9cd | 1920 | } |
6de9cd9a | 1921 | |
628c189e | 1922 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
1923 | tmp = build_call_expr_loc (input_location, |
1924 | function, 1, tmp); | |
6de9cd9a | 1925 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1926 | gfc_add_block_to_block (&block, dt_post_end_block); |
1927 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1928 | |
8750f9cd JB |
1929 | if (last_dt != IOLENGTH) |
1930 | { | |
6e45f57b | 1931 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1932 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1933 | code->ext.dt->end, code->ext.dt->eor); |
1934 | } | |
6de9cd9a DN |
1935 | |
1936 | return gfc_finish_block (&block); | |
1937 | } | |
1938 | ||
d2ccf6aa | 1939 | static void |
aa5e22f0 | 1940 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1941 | |
1942 | /* Given an array field in a derived type variable, generate the code | |
1943 | for the loop that iterates over array elements, and the code that | |
1944 | accesses those array elements. Use transfer_expr to generate code | |
1945 | for transferring that element. Because elements may also be | |
1946 | derived types, transfer_expr and transfer_array_component are mutually | |
1947 | recursive. */ | |
1948 | ||
1949 | static tree | |
bdfd2ff0 | 1950 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
1951 | { |
1952 | tree tmp; | |
1953 | stmtblock_t body; | |
1954 | stmtblock_t block; | |
1955 | gfc_loopinfo loop; | |
1956 | int n; | |
1957 | gfc_ss *ss; | |
1958 | gfc_se se; | |
08dcec61 | 1959 | gfc_array_info *ss_array; |
d2ccf6aa VL |
1960 | |
1961 | gfc_start_block (&block); | |
1962 | gfc_init_se (&se, NULL); | |
1963 | ||
1964 | /* Create and initialize Scalarization Status. Unlike in | |
1965 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1966 | care of this task, because we don't have a gfc_expr at hand. | |
1967 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1968 | ||
66877276 MM |
1969 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
1970 | GFC_SS_COMPONENT); | |
1838afec | 1971 | ss_array = &ss->info->data.array; |
08dcec61 MM |
1972 | ss_array->shape = gfc_get_shape (cm->as->rank); |
1973 | ss_array->descriptor = expr; | |
1974 | ss_array->data = gfc_conv_array_data (expr); | |
1975 | ss_array->offset = gfc_conv_array_offset (expr); | |
d2ccf6aa VL |
1976 | for (n = 0; n < cm->as->rank; n++) |
1977 | { | |
08dcec61 MM |
1978 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
1979 | ss_array->stride[n] = gfc_index_one_node; | |
d2ccf6aa | 1980 | |
08dcec61 MM |
1981 | mpz_init (ss_array->shape[n]); |
1982 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
d2ccf6aa | 1983 | cm->as->lower[n]->value.integer); |
08dcec61 | 1984 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
d2ccf6aa VL |
1985 | } |
1986 | ||
f7b529fa | 1987 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1988 | |
1989 | gfc_init_loopinfo (&loop); | |
1990 | gfc_add_ss_to_loop (&loop, ss); | |
1991 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 1992 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
1993 | gfc_mark_ss_chain_used (ss, 1); |
1994 | gfc_start_scalarized_body (&loop, &body); | |
1995 | ||
1996 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1997 | se.ss = ss; | |
1998 | ||
1999 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
2000 | se.expr = expr; | |
2001 | gfc_conv_tmp_array_ref (&se); | |
2002 | ||
2003 | /* Now se.expr contains an element of the array. Take the address and pass | |
2004 | it to the IO routines. */ | |
628c189e | 2005 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
aa5e22f0 | 2006 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
2007 | |
2008 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 2009 | return. */ |
d2ccf6aa VL |
2010 | |
2011 | gfc_add_block_to_block (&body, &se.pre); | |
2012 | gfc_add_block_to_block (&body, &se.post); | |
2013 | ||
2014 | gfc_trans_scalarizing_loops (&loop, &body); | |
2015 | ||
2016 | gfc_add_block_to_block (&block, &loop.pre); | |
2017 | gfc_add_block_to_block (&block, &loop.post); | |
2018 | ||
08dcec61 MM |
2019 | gcc_assert (ss_array->shape != NULL); |
2020 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
96654664 PB |
2021 | gfc_cleanup_loop (&loop); |
2022 | ||
d2ccf6aa VL |
2023 | return gfc_finish_block (&block); |
2024 | } | |
6de9cd9a DN |
2025 | |
2026 | /* Generate the call for a scalar transfer node. */ | |
2027 | ||
2028 | static void | |
aa5e22f0 | 2029 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 2030 | { |
8a221914 | 2031 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2032 | gfc_component *c; |
2033 | int kind; | |
2034 | ||
a8b3b0b6 CR |
2035 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2036 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2037 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2038 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2039 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2040 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2041 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2042 | && ts->u.derived != NULL | |
2043 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2044 | { |
cadddfdd TB |
2045 | ts->type = BT_INTEGER; |
2046 | ts->kind = gfc_index_integer_kind; | |
a8b3b0b6 | 2047 | } |
8019105d | 2048 | |
6de9cd9a DN |
2049 | kind = ts->kind; |
2050 | function = NULL; | |
2051 | arg2 = NULL; | |
8a221914 | 2052 | arg3 = NULL; |
6de9cd9a DN |
2053 | |
2054 | switch (ts->type) | |
2055 | { | |
2056 | case BT_INTEGER: | |
df09d1d5 | 2057 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2058 | if (last_dt == READ) |
2059 | function = iocall[IOCALL_X_INTEGER]; | |
2060 | else | |
2061 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2062 | ||
6de9cd9a DN |
2063 | break; |
2064 | ||
2065 | case BT_REAL: | |
df09d1d5 | 2066 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2067 | if (last_dt == READ) |
1ec601bf FXC |
2068 | { |
2069 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2070 | function = iocall[IOCALL_X_REAL128]; | |
2071 | else | |
2072 | function = iocall[IOCALL_X_REAL]; | |
2073 | } | |
6eb6875d | 2074 | else |
1ec601bf FXC |
2075 | { |
2076 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2077 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2078 | else | |
2079 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2080 | } | |
6eb6875d | 2081 | |
6de9cd9a DN |
2082 | break; |
2083 | ||
2084 | case BT_COMPLEX: | |
df09d1d5 | 2085 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2086 | if (last_dt == READ) |
1ec601bf FXC |
2087 | { |
2088 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2089 | function = iocall[IOCALL_X_COMPLEX128]; | |
2090 | else | |
2091 | function = iocall[IOCALL_X_COMPLEX]; | |
2092 | } | |
6eb6875d | 2093 | else |
1ec601bf FXC |
2094 | { |
2095 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2096 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2097 | else | |
2098 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2099 | } | |
6eb6875d | 2100 | |
6de9cd9a DN |
2101 | break; |
2102 | ||
2103 | case BT_LOGICAL: | |
df09d1d5 | 2104 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2105 | if (last_dt == READ) |
2106 | function = iocall[IOCALL_X_LOGICAL]; | |
2107 | else | |
2108 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2109 | ||
6de9cd9a DN |
2110 | break; |
2111 | ||
2112 | case BT_CHARACTER: | |
8a221914 JD |
2113 | if (kind == 4) |
2114 | { | |
2115 | if (se->string_length) | |
2116 | arg2 = se->string_length; | |
2117 | else | |
2118 | { | |
db3927fb AH |
2119 | tmp = build_fold_indirect_ref_loc (input_location, |
2120 | addr_expr); | |
8a221914 JD |
2121 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2122 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2123 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2124 | } | |
df09d1d5 | 2125 | arg3 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2126 | if (last_dt == READ) |
2127 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2128 | else | |
2129 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
8019105d | 2130 | |
628c189e | 2131 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2132 | tmp = build_call_expr_loc (input_location, |
2133 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2134 | gfc_add_expr_to_block (&se->pre, tmp); |
2135 | gfc_add_block_to_block (&se->pre, &se->post); | |
2136 | return; | |
2137 | } | |
1cc0e193 | 2138 | /* Fall through. */ |
7b95e2a8 | 2139 | case BT_HOLLERITH: |
d2ccf6aa VL |
2140 | if (se->string_length) |
2141 | arg2 = se->string_length; | |
2142 | else | |
2143 | { | |
db3927fb AH |
2144 | tmp = build_fold_indirect_ref_loc (input_location, |
2145 | addr_expr); | |
d2ccf6aa VL |
2146 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2147 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2148 | } | |
6eb6875d TK |
2149 | if (last_dt == READ) |
2150 | function = iocall[IOCALL_X_CHARACTER]; | |
2151 | else | |
2152 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2153 | ||
6de9cd9a DN |
2154 | break; |
2155 | ||
2156 | case BT_DERIVED: | |
fc2655fb TB |
2157 | if (ts->u.derived->components == NULL) |
2158 | return; | |
2159 | ||
d2ccf6aa | 2160 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 2161 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
db3927fb AH |
2162 | expr = build_fold_indirect_ref_loc (input_location, |
2163 | expr); | |
6de9cd9a | 2164 | |
8019105d PT |
2165 | /* Make sure that the derived type has been built. An external |
2166 | function, if only referenced in an io statement, requires this | |
2167 | check (see PR58771). */ | |
2168 | if (ts->u.derived->backend_decl == NULL_TREE) | |
2a9e9a65 | 2169 | (void) gfc_typenode_for_spec (ts); |
8019105d | 2170 | |
bc21d315 | 2171 | for (c = ts->u.derived->components; c; c = c->next) |
6de9cd9a DN |
2172 | { |
2173 | field = c->backend_decl; | |
6e45f57b | 2174 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 2175 | |
db3927fb AH |
2176 | tmp = fold_build3_loc (UNKNOWN_LOCATION, |
2177 | COMPONENT_REF, TREE_TYPE (field), | |
44855d8c | 2178 | expr, field, NULL_TREE); |
6de9cd9a | 2179 | |
d4b7d0f0 | 2180 | if (c->attr.dimension) |
d2ccf6aa | 2181 | { |
bdfd2ff0 | 2182 | tmp = transfer_array_component (tmp, c, & code->loc); |
d2ccf6aa VL |
2183 | gfc_add_expr_to_block (&se->pre, tmp); |
2184 | } | |
2185 | else | |
2186 | { | |
d4b7d0f0 | 2187 | if (!c->attr.pointer) |
628c189e | 2188 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
aa5e22f0 | 2189 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 2190 | } |
6de9cd9a DN |
2191 | } |
2192 | return; | |
2193 | ||
2194 | default: | |
17d5d49f | 2195 | gfc_internal_error ("Bad IO basetype (%d)", ts->type); |
6de9cd9a DN |
2196 | } |
2197 | ||
628c189e | 2198 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2199 | tmp = build_call_expr_loc (input_location, |
2200 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2201 | gfc_add_expr_to_block (&se->pre, tmp); |
2202 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2203 | |
6de9cd9a DN |
2204 | } |
2205 | ||
2206 | ||
18623fae JB |
2207 | /* Generate a call to pass an array descriptor to the IO library. The |
2208 | array should be of one of the intrinsic types. */ | |
2209 | ||
2210 | static void | |
2211 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2212 | { | |
6eb6875d | 2213 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2214 | |
2215 | if (ts->type == BT_CHARACTER) | |
2216 | charlen_arg = se->string_length; | |
2217 | else | |
df09d1d5 | 2218 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
18623fae | 2219 | |
df09d1d5 | 2220 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
e5ef4b3b | 2221 | |
628c189e | 2222 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2223 | if (last_dt == READ) |
2224 | io_call = iocall[IOCALL_X_ARRAY]; | |
2225 | else | |
2226 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2227 | ||
033e7d21 | 2228 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2229 | io_call, 4, |
5039610b | 2230 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2231 | gfc_add_expr_to_block (&se->pre, tmp); |
2232 | gfc_add_block_to_block (&se->pre, &se->post); | |
2233 | } | |
2234 | ||
2235 | ||
6de9cd9a DN |
2236 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2237 | ||
2238 | tree | |
2239 | gfc_trans_transfer (gfc_code * code) | |
2240 | { | |
2241 | stmtblock_t block, body; | |
2242 | gfc_loopinfo loop; | |
2243 | gfc_expr *expr; | |
99c7ab42 | 2244 | gfc_ref *ref; |
6de9cd9a DN |
2245 | gfc_ss *ss; |
2246 | gfc_se se; | |
2247 | tree tmp; | |
c63173dd | 2248 | int n; |
6de9cd9a DN |
2249 | |
2250 | gfc_start_block (&block); | |
18623fae | 2251 | gfc_init_block (&body); |
6de9cd9a | 2252 | |
a513927a | 2253 | expr = code->expr1; |
99c7ab42 | 2254 | ref = NULL; |
6de9cd9a DN |
2255 | gfc_init_se (&se, NULL); |
2256 | ||
2960a368 | 2257 | if (expr->rank == 0) |
18623fae | 2258 | { |
815d8045 | 2259 | /* Transfer a scalar value. */ |
18623fae | 2260 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2261 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2262 | } |
815d8045 | 2263 | else |
6de9cd9a | 2264 | { |
99c7ab42 PT |
2265 | /* Transfer an array. If it is an array of an intrinsic |
2266 | type, pass the descriptor to the library. Otherwise | |
2267 | scalarize the transfer. */ | |
2a573572 | 2268 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
99c7ab42 PT |
2269 | { |
2270 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
fc2655fb TB |
2271 | ref = ref->next); |
2272 | gcc_assert (ref && ref->type == REF_ARRAY); | |
99c7ab42 PT |
2273 | } |
2274 | ||
1d6b7f39 PT |
2275 | if (expr->ts.type != BT_DERIVED |
2276 | && ref && ref->next == NULL | |
2277 | && !is_subref_array (expr)) | |
815d8045 | 2278 | { |
c63173dd PT |
2279 | bool seen_vector = false; |
2280 | ||
2281 | if (ref && ref->u.ar.type == AR_SECTION) | |
2282 | { | |
2283 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2284 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
502af491 PCC |
2285 | { |
2286 | seen_vector = true; | |
2287 | break; | |
2288 | } | |
c63173dd PT |
2289 | } |
2290 | ||
2291 | if (seen_vector && last_dt == READ) | |
2292 | { | |
2293 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2294 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2295 | tmp = se.expr; |
2296 | } | |
2297 | else | |
2298 | { | |
2299 | /* Get the descriptor. */ | |
2960a368 | 2300 | gfc_conv_expr_descriptor (&se, expr); |
628c189e | 2301 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2302 | } |
2303 | ||
99c7ab42 PT |
2304 | transfer_array_desc (&se, &expr->ts, tmp); |
2305 | goto finish_block_label; | |
815d8045 | 2306 | } |
2960a368 | 2307 | |
6de9cd9a | 2308 | /* Initialize the scalarizer. */ |
2960a368 | 2309 | ss = gfc_walk_expr (expr); |
6de9cd9a DN |
2310 | gfc_init_loopinfo (&loop); |
2311 | gfc_add_ss_to_loop (&loop, ss); | |
2312 | ||
2313 | /* Initialize the loop. */ | |
2314 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2315 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2316 | |
2317 | /* The main loop body. */ | |
2318 | gfc_mark_ss_chain_used (ss, 1); | |
2319 | gfc_start_scalarized_body (&loop, &body); | |
2320 | ||
2321 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2322 | se.ss = ss; | |
6de9cd9a | 2323 | |
18623fae | 2324 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2325 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2326 | } |
815d8045 JB |
2327 | |
2328 | finish_block_label: | |
6de9cd9a DN |
2329 | |
2330 | gfc_add_block_to_block (&body, &se.pre); | |
2331 | gfc_add_block_to_block (&body, &se.post); | |
2332 | ||
2333 | if (se.ss == NULL) | |
2334 | tmp = gfc_finish_block (&body); | |
2335 | else | |
2336 | { | |
770caa74 | 2337 | gcc_assert (expr->rank != 0); |
6e45f57b | 2338 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2339 | gfc_trans_scalarizing_loops (&loop, &body); |
2340 | ||
2341 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2342 | tmp = gfc_finish_block (&loop.pre); | |
2343 | gfc_cleanup_loop (&loop); | |
2344 | } | |
2345 | ||
2346 | gfc_add_expr_to_block (&block, tmp); | |
2347 | ||
d2ccf6aa | 2348 | return gfc_finish_block (&block); |
6de9cd9a DN |
2349 | } |
2350 | ||
2351 | #include "gt-fortran-trans-io.h" |