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4ee9c684 | 1 | /* IO Code translation/library interface |
d353bf18 | 2 | Copyright (C) 2002-2015 Free Software Foundation, Inc. |
4ee9c684 | 3 | Contributed by Paul Brook |
4 | ||
c84b470d | 5 | This file is part of GCC. |
4ee9c684 | 6 | |
c84b470d | 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 | |
bdabe786 | 9 | Software Foundation; either version 3, or (at your option) any later |
c84b470d | 10 | version. |
4ee9c684 | 11 | |
c84b470d | 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. | |
4ee9c684 | 16 | |
17 | You should have received a copy of the GNU General Public License | |
bdabe786 | 18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
4ee9c684 | 20 | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
24 | #include "coretypes.h" | |
b20a8bb4 | 25 | #include "alias.h" |
4ee9c684 | 26 | #include "tree.h" |
9ef16211 | 27 | #include "options.h" |
b20a8bb4 | 28 | #include "fold-const.h" |
9ed99284 | 29 | #include "stringpool.h" |
30 | #include "stor-layout.h" | |
4ee9c684 | 31 | #include "gfortran.h" |
dc8078a3 | 32 | #include "diagnostic-core.h" /* For internal_error. */ |
4ee9c684 | 33 | #include "trans.h" |
34 | #include "trans-stmt.h" | |
35 | #include "trans-array.h" | |
36 | #include "trans-types.h" | |
37 | #include "trans-const.h" | |
38 | ||
4ee9c684 | 39 | /* Members of the ioparm structure. */ |
40 | ||
60c514ba | 41 | enum ioparam_type |
42 | { | |
43 | IOPARM_ptype_common, | |
44 | IOPARM_ptype_open, | |
45 | IOPARM_ptype_close, | |
46 | IOPARM_ptype_filepos, | |
47 | IOPARM_ptype_inquire, | |
48 | IOPARM_ptype_dt, | |
ff6af856 | 49 | IOPARM_ptype_wait, |
60c514ba | 50 | IOPARM_ptype_num |
51 | }; | |
52 | ||
53 | enum iofield_type | |
54 | { | |
55 | IOPARM_type_int4, | |
e83964b2 | 56 | IOPARM_type_intio, |
60c514ba | 57 | IOPARM_type_pint4, |
e83964b2 | 58 | IOPARM_type_pintio, |
60c514ba | 59 | IOPARM_type_pchar, |
60 | IOPARM_type_parray, | |
61 | IOPARM_type_pad, | |
62 | IOPARM_type_char1, | |
63 | IOPARM_type_char2, | |
64 | IOPARM_type_common, | |
65 | IOPARM_type_num | |
66 | }; | |
67 | ||
fb1e4f4a | 68 | typedef struct GTY(()) gfc_st_parameter_field { |
60c514ba | 69 | const char *name; |
70 | unsigned int mask; | |
71 | enum ioparam_type param_type; | |
72 | enum iofield_type type; | |
73 | tree field; | |
74 | tree field_len; | |
75 | } | |
76 | gfc_st_parameter_field; | |
4ee9c684 | 77 | |
fb1e4f4a | 78 | typedef struct GTY(()) gfc_st_parameter { |
60c514ba | 79 | const char *name; |
80 | tree type; | |
81 | } | |
82 | gfc_st_parameter; | |
83 | ||
84 | enum iofield | |
85 | { | |
86 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
87 | #include "ioparm.def" | |
88 | #undef IOPARM | |
89 | IOPARM_field_num | |
90 | }; | |
91 | ||
92 | static GTY(()) gfc_st_parameter st_parameter[] = | |
93 | { | |
94 | { "common", NULL }, | |
95 | { "open", NULL }, | |
96 | { "close", NULL }, | |
97 | { "filepos", NULL }, | |
98 | { "inquire", NULL }, | |
ff6af856 | 99 | { "dt", NULL }, |
100 | { "wait", NULL } | |
60c514ba | 101 | }; |
102 | ||
103 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
104 | { | |
105 | #define IOPARM(param_type, name, mask, type) \ | |
106 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
107 | #include "ioparm.def" | |
108 | #undef IOPARM | |
bc620c5c | 109 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
60c514ba | 110 | }; |
4ee9c684 | 111 | |
112 | /* Library I/O subroutines */ | |
113 | ||
60c514ba | 114 | enum iocall |
115 | { | |
116 | IOCALL_READ, | |
117 | IOCALL_READ_DONE, | |
118 | IOCALL_WRITE, | |
119 | IOCALL_WRITE_DONE, | |
120 | IOCALL_X_INTEGER, | |
8545af25 | 121 | IOCALL_X_INTEGER_WRITE, |
60c514ba | 122 | IOCALL_X_LOGICAL, |
8545af25 | 123 | IOCALL_X_LOGICAL_WRITE, |
60c514ba | 124 | IOCALL_X_CHARACTER, |
8545af25 | 125 | IOCALL_X_CHARACTER_WRITE, |
dc01006d | 126 | IOCALL_X_CHARACTER_WIDE, |
8545af25 | 127 | IOCALL_X_CHARACTER_WIDE_WRITE, |
60c514ba | 128 | IOCALL_X_REAL, |
8545af25 | 129 | IOCALL_X_REAL_WRITE, |
60c514ba | 130 | IOCALL_X_COMPLEX, |
8545af25 | 131 | IOCALL_X_COMPLEX_WRITE, |
87969c8c | 132 | IOCALL_X_REAL128, |
133 | IOCALL_X_REAL128_WRITE, | |
134 | IOCALL_X_COMPLEX128, | |
135 | IOCALL_X_COMPLEX128_WRITE, | |
60c514ba | 136 | IOCALL_X_ARRAY, |
8545af25 | 137 | IOCALL_X_ARRAY_WRITE, |
60c514ba | 138 | IOCALL_OPEN, |
139 | IOCALL_CLOSE, | |
140 | IOCALL_INQUIRE, | |
141 | IOCALL_IOLENGTH, | |
142 | IOCALL_IOLENGTH_DONE, | |
143 | IOCALL_REWIND, | |
144 | IOCALL_BACKSPACE, | |
145 | IOCALL_ENDFILE, | |
146 | IOCALL_FLUSH, | |
147 | IOCALL_SET_NML_VAL, | |
148 | IOCALL_SET_NML_VAL_DIM, | |
ff6af856 | 149 | IOCALL_WAIT, |
60c514ba | 150 | IOCALL_NUM |
151 | }; | |
152 | ||
153 | static GTY(()) tree iocall[IOCALL_NUM]; | |
4ee9c684 | 154 | |
155 | /* Variable for keeping track of what the last data transfer statement | |
156 | was. Used for deciding which subroutine to call when the data | |
b14e2757 | 157 | transfer is complete. */ |
6799e2f8 | 158 | static enum { READ, WRITE, IOLENGTH } last_dt; |
4ee9c684 | 159 | |
60c514ba | 160 | /* The data transfer parameter block that should be shared by all |
161 | data transfer calls belonging to the same read/write/iolength. */ | |
162 | static GTY(()) tree dt_parm; | |
163 | static stmtblock_t *dt_post_end_block; | |
4ee9c684 | 164 | |
60c514ba | 165 | static void |
166 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
167 | { | |
8458f4ca | 168 | unsigned int type; |
60c514ba | 169 | gfc_st_parameter_field *p; |
170 | char name[64]; | |
171 | size_t len; | |
172 | tree t = make_node (RECORD_TYPE); | |
02e2a14b | 173 | tree *chain = NULL; |
60c514ba | 174 | |
175 | len = strlen (st_parameter[ptype].name); | |
176 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
177 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
178 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
6b7a7d7d | 179 | len + 1); |
60c514ba | 180 | TYPE_NAME (t) = get_identifier (name); |
181 | ||
182 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
183 | if (p->param_type == ptype) | |
184 | switch (p->type) | |
185 | { | |
186 | case IOPARM_type_int4: | |
e83964b2 | 187 | case IOPARM_type_intio: |
60c514ba | 188 | case IOPARM_type_pint4: |
e83964b2 | 189 | case IOPARM_type_pintio: |
60c514ba | 190 | case IOPARM_type_parray: |
191 | case IOPARM_type_pchar: | |
192 | case IOPARM_type_pad: | |
4ce1f210 | 193 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
02e2a14b | 194 | types[p->type], &chain); |
60c514ba | 195 | break; |
196 | case IOPARM_type_char1: | |
4ce1f210 | 197 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
02e2a14b | 198 | pchar_type_node, &chain); |
60c514ba | 199 | /* FALLTHROUGH */ |
200 | case IOPARM_type_char2: | |
201 | len = strlen (p->name); | |
202 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
203 | memcpy (name, p->name, len); | |
204 | memcpy (name + len, "_len", sizeof ("_len")); | |
4ce1f210 | 205 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
02e2a14b | 206 | gfc_charlen_type_node, |
207 | &chain); | |
60c514ba | 208 | if (p->type == IOPARM_type_char2) |
4ce1f210 | 209 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
02e2a14b | 210 | pchar_type_node, &chain); |
60c514ba | 211 | break; |
212 | case IOPARM_type_common: | |
213 | p->field | |
4ce1f210 | 214 | = gfc_add_field_to_struct (t, |
60c514ba | 215 | get_identifier (p->name), |
02e2a14b | 216 | st_parameter[IOPARM_ptype_common].type, |
217 | &chain); | |
60c514ba | 218 | break; |
219 | case IOPARM_type_num: | |
220 | gcc_unreachable (); | |
221 | } | |
4ee9c684 | 222 | |
60c514ba | 223 | gfc_finish_type (t); |
224 | st_parameter[ptype].type = t; | |
225 | } | |
4ee9c684 | 226 | |
50ad5fa2 | 227 | |
228 | /* Build code to test an error condition and call generate_error if needed. | |
229 | Note: This builds calls to generate_error in the runtime library function. | |
230 | The function generate_error is dependent on certain parameters in the | |
231 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
232 | Therefore, the code to set these flags must be generated before | |
233 | this function is used. */ | |
234 | ||
c83059be | 235 | static void |
236 | gfc_trans_io_runtime_check (bool has_iostat, tree cond, tree var, | |
237 | int error_code, const char * msgid, | |
238 | stmtblock_t * pblock) | |
50ad5fa2 | 239 | { |
240 | stmtblock_t block; | |
241 | tree body; | |
242 | tree tmp; | |
243 | tree arg1, arg2, arg3; | |
244 | char *message; | |
245 | ||
246 | if (integer_zerop (cond)) | |
247 | return; | |
248 | ||
249 | /* The code to generate the error. */ | |
250 | gfc_start_block (&block); | |
4442e7ec | 251 | |
c83059be | 252 | if (has_iostat) |
253 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_FORTRAN_FAIL_IO, | |
254 | NOT_TAKEN)); | |
255 | else | |
256 | gfc_add_expr_to_block (&block, build_predict_expr (PRED_NORETURN, | |
257 | NOT_TAKEN)); | |
258 | ||
86f2ad37 | 259 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
4442e7ec | 260 | |
50ad5fa2 | 261 | arg2 = build_int_cst (integer_type_node, error_code), |
4442e7ec | 262 | |
87fda26c | 263 | message = xasprintf ("%s", _(msgid)); |
8fb9e3cd | 264 | arg3 = gfc_build_addr_expr (pchar_type_node, |
265 | gfc_build_localized_cstring_const (message)); | |
434f0922 | 266 | free (message); |
4442e7ec | 267 | |
389dd41b | 268 | tmp = build_call_expr_loc (input_location, |
269 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
50ad5fa2 | 270 | |
271 | gfc_add_expr_to_block (&block, tmp); | |
272 | ||
273 | body = gfc_finish_block (&block); | |
274 | ||
275 | if (integer_onep (cond)) | |
276 | { | |
277 | gfc_add_expr_to_block (pblock, body); | |
278 | } | |
279 | else | |
280 | { | |
e60a6f7b | 281 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
50ad5fa2 | 282 | gfc_add_expr_to_block (pblock, tmp); |
283 | } | |
284 | } | |
285 | ||
286 | ||
4ee9c684 | 287 | /* Create function decls for IO library functions. */ |
288 | ||
289 | void | |
290 | gfc_build_io_library_fndecls (void) | |
291 | { | |
60c514ba | 292 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
e83964b2 | 293 | tree gfc_intio_type_node; |
60c514ba | 294 | tree parm_type, dt_parm_type; |
60c514ba | 295 | HOST_WIDE_INT pad_size; |
9f1b7d17 | 296 | unsigned int ptype; |
60c514ba | 297 | |
298 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
e83964b2 | 299 | types[IOPARM_type_intio] = gfc_intio_type_node |
300 | = gfc_get_int_type (gfc_intio_kind); | |
60c514ba | 301 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
e83964b2 | 302 | types[IOPARM_type_pintio] |
303 | = build_pointer_type (gfc_intio_type_node); | |
60c514ba | 304 | types[IOPARM_type_parray] = pchar_type_node; |
305 | types[IOPARM_type_pchar] = pchar_type_node; | |
b5d015e3 | 306 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
60c514ba | 307 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
35bf1214 | 308 | pad_idx = build_index_type (size_int (pad_size - 1)); |
60c514ba | 309 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
23434847 | 310 | |
311 | /* pad actually contains pointers and integers so it needs to have an | |
312 | alignment that is at least as large as the needed alignment for those | |
313 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
314 | what really goes into this space. */ | |
315 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
b5d015e3 | 316 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
23434847 | 317 | |
60c514ba | 318 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
9f1b7d17 | 319 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
4ee9c684 | 320 | |
8545af25 | 321 | /* Define the transfer functions. */ |
4ee9c684 | 322 | |
60c514ba | 323 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
324 | ||
4bf69bc3 | 325 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
326 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
327 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
328 | ||
8545af25 | 329 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
330 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
331 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
332 | ||
4bf69bc3 | 333 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
334 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
335 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
336 | ||
8545af25 | 337 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
338 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
339 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
340 | ||
4bf69bc3 | 341 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
342 | get_identifier (PREFIX("transfer_character")), ".wW", | |
343 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
344 | ||
8545af25 | 345 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
346 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
347 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
348 | ||
4bf69bc3 | 349 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
350 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
351 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
352 | gfc_charlen_type_node, gfc_int4_type_node); | |
353 | ||
8545af25 | 354 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
355 | gfc_build_library_function_decl_with_spec ( | |
356 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
357 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
358 | gfc_charlen_type_node, gfc_int4_type_node); | |
359 | ||
4bf69bc3 | 360 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
361 | get_identifier (PREFIX("transfer_real")), ".wW", | |
362 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
363 | ||
8545af25 | 364 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
365 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
366 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
367 | ||
4bf69bc3 | 368 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
369 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
370 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
371 | ||
8545af25 | 372 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
373 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
374 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
375 | ||
87969c8c | 376 | /* Version for __float128. */ |
377 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
378 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
379 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
380 | ||
381 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
382 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
383 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
384 | ||
385 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
386 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
387 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
388 | ||
389 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
390 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
391 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
392 | ||
4bf69bc3 | 393 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
12997918 | 394 | get_identifier (PREFIX("transfer_array")), ".ww", |
4bf69bc3 | 395 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
396 | integer_type_node, gfc_charlen_type_node); | |
fd5a2518 | 397 | |
8545af25 | 398 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
399 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
400 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
401 | integer_type_node, gfc_charlen_type_node); | |
402 | ||
4ee9c684 | 403 | /* Library entry points */ |
404 | ||
4bf69bc3 | 405 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
406 | get_identifier (PREFIX("st_read")), ".w", | |
407 | void_type_node, 1, dt_parm_type); | |
4ee9c684 | 408 | |
4bf69bc3 | 409 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
410 | get_identifier (PREFIX("st_write")), ".w", | |
411 | void_type_node, 1, dt_parm_type); | |
60c514ba | 412 | |
413 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
4bf69bc3 | 414 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
415 | get_identifier (PREFIX("st_open")), ".w", | |
416 | void_type_node, 1, parm_type); | |
60c514ba | 417 | |
418 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
4bf69bc3 | 419 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
420 | get_identifier (PREFIX("st_close")), ".w", | |
421 | void_type_node, 1, parm_type); | |
4ee9c684 | 422 | |
60c514ba | 423 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
4bf69bc3 | 424 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
425 | get_identifier (PREFIX("st_inquire")), ".w", | |
f5e3bc0e | 426 | void_type_node, 1, parm_type); |
4ee9c684 | 427 | |
4bf69bc3 | 428 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
429 | get_identifier (PREFIX("st_iolength")), ".w", | |
430 | void_type_node, 1, dt_parm_type); | |
6799e2f8 | 431 | |
4bf69bc3 | 432 | /* TODO: Change when asynchronous I/O is implemented. */ |
ff6af856 | 433 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
4bf69bc3 | 434 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
435 | get_identifier (PREFIX("st_wait")), ".X", | |
f5e3bc0e | 436 | void_type_node, 1, parm_type); |
ff6af856 | 437 | |
60c514ba | 438 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
4bf69bc3 | 439 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
440 | get_identifier (PREFIX("st_rewind")), ".w", | |
f5e3bc0e | 441 | void_type_node, 1, parm_type); |
4ee9c684 | 442 | |
4bf69bc3 | 443 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
444 | get_identifier (PREFIX("st_backspace")), ".w", | |
f5e3bc0e | 445 | void_type_node, 1, parm_type); |
4ee9c684 | 446 | |
4bf69bc3 | 447 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
448 | get_identifier (PREFIX("st_endfile")), ".w", | |
f5e3bc0e | 449 | void_type_node, 1, parm_type); |
6c306f90 | 450 | |
4bf69bc3 | 451 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
452 | get_identifier (PREFIX("st_flush")), ".w", | |
f5e3bc0e | 453 | void_type_node, 1, parm_type); |
6c306f90 | 454 | |
4ee9c684 | 455 | /* Library helpers */ |
456 | ||
4bf69bc3 | 457 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
458 | get_identifier (PREFIX("st_read_done")), ".w", | |
f5e3bc0e | 459 | void_type_node, 1, dt_parm_type); |
6799e2f8 | 460 | |
4bf69bc3 | 461 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
462 | get_identifier (PREFIX("st_write_done")), ".w", | |
f5e3bc0e | 463 | void_type_node, 1, dt_parm_type); |
6799e2f8 | 464 | |
4bf69bc3 | 465 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
466 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
f5e3bc0e | 467 | void_type_node, 1, dt_parm_type); |
4ee9c684 | 468 | |
4bf69bc3 | 469 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
470 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
471 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
9803f9eb | 472 | gfc_int4_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
4ee9c684 | 473 | |
4bf69bc3 | 474 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
475 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
476 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
477 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
4ee9c684 | 478 | } |
479 | ||
480 | ||
60c514ba | 481 | /* Generate code to store an integer constant into the |
482 | st_parameter_XXX structure. */ | |
483 | ||
484 | static unsigned int | |
485 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
486 | unsigned int val) | |
487 | { | |
488 | tree tmp; | |
489 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
490 | ||
491 | if (p->param_type == IOPARM_ptype_common) | |
1516b2fb | 492 | var = fold_build3_loc (input_location, COMPONENT_REF, |
493 | st_parameter[IOPARM_ptype_common].type, | |
494 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
495 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
496 | var, p->field, NULL_TREE); | |
75a70cf9 | 497 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
60c514ba | 498 | return p->mask; |
499 | } | |
500 | ||
501 | ||
89d91d02 | 502 | /* Generate code to store a non-string I/O parameter into the |
60c514ba | 503 | st_parameter_XXX structure. This is a pass by value. */ |
4ee9c684 | 504 | |
60c514ba | 505 | static unsigned int |
f26dc717 | 506 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, |
507 | gfc_expr *e) | |
508 | { | |
509 | gfc_se se; | |
510 | tree tmp; | |
511 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
512 | tree dest_type = TREE_TYPE (p->field); | |
513 | ||
514 | gfc_init_se (&se, NULL); | |
515 | gfc_conv_expr_val (&se, e); | |
516 | ||
517 | se.expr = convert (dest_type, se.expr); | |
518 | gfc_add_block_to_block (block, &se.pre); | |
519 | ||
520 | if (p->param_type == IOPARM_ptype_common) | |
521 | var = fold_build3_loc (input_location, COMPONENT_REF, | |
522 | st_parameter[IOPARM_ptype_common].type, | |
523 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
524 | ||
525 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, | |
526 | p->field, NULL_TREE); | |
527 | gfc_add_modify (block, tmp, se.expr); | |
528 | return p->mask; | |
529 | } | |
530 | ||
531 | ||
532 | /* Similar to set_parameter_value except generate runtime | |
533 | error checks. */ | |
534 | ||
535 | static unsigned int | |
536 | set_parameter_value_chk (stmtblock_t *block, bool has_iostat, tree var, | |
c83059be | 537 | enum iofield type, gfc_expr *e) |
4ee9c684 | 538 | { |
539 | gfc_se se; | |
540 | tree tmp; | |
60c514ba | 541 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
50ad5fa2 | 542 | tree dest_type = TREE_TYPE (p->field); |
4ee9c684 | 543 | |
544 | gfc_init_se (&se, NULL); | |
50ad5fa2 | 545 | gfc_conv_expr_val (&se, e); |
546 | ||
547 | /* If we're storing a UNIT number, we need to check it first. */ | |
82b12af7 | 548 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
50ad5fa2 | 549 | { |
82b12af7 | 550 | tree cond, val; |
50ad5fa2 | 551 | int i; |
552 | ||
50ad5fa2 | 553 | /* Don't evaluate the UNIT number multiple times. */ |
554 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
555 | ||
82b12af7 | 556 | /* UNIT numbers should be greater than the min. */ |
557 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
558 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
1516b2fb | 559 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
560 | se.expr, | |
561 | fold_convert (TREE_TYPE (se.expr), val)); | |
c83059be | 562 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
563 | "Unit number in I/O statement too small", | |
564 | &se.pre); | |
4442e7ec | 565 | |
50ad5fa2 | 566 | /* UNIT numbers should be less than the max. */ |
82b12af7 | 567 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
1516b2fb | 568 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
569 | se.expr, | |
570 | fold_convert (TREE_TYPE (se.expr), val)); | |
c83059be | 571 | gfc_trans_io_runtime_check (has_iostat, cond, var, LIBERROR_BAD_UNIT, |
572 | "Unit number in I/O statement too large", | |
573 | &se.pre); | |
50ad5fa2 | 574 | } |
575 | ||
576 | se.expr = convert (dest_type, se.expr); | |
4ee9c684 | 577 | gfc_add_block_to_block (block, &se.pre); |
578 | ||
60c514ba | 579 | if (p->param_type == IOPARM_ptype_common) |
1516b2fb | 580 | var = fold_build3_loc (input_location, COMPONENT_REF, |
581 | st_parameter[IOPARM_ptype_common].type, | |
582 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
50ad5fa2 | 583 | |
1516b2fb | 584 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
585 | p->field, NULL_TREE); | |
75a70cf9 | 586 | gfc_add_modify (block, tmp, se.expr); |
60c514ba | 587 | return p->mask; |
4ee9c684 | 588 | } |
589 | ||
590 | ||
f26dc717 | 591 | /* Build code to check the unit range if KIND=8 is used. Similar to |
592 | set_parameter_value_chk but we do not generate error calls for | |
593 | inquire statements. */ | |
594 | ||
595 | static unsigned int | |
596 | set_parameter_value_inquire (stmtblock_t *block, tree var, | |
597 | enum iofield type, gfc_expr *e) | |
598 | { | |
599 | gfc_se se; | |
600 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
601 | tree dest_type = TREE_TYPE (p->field); | |
602 | ||
603 | gfc_init_se (&se, NULL); | |
604 | gfc_conv_expr_val (&se, e); | |
605 | ||
606 | /* If we're inquiring on a UNIT number, we need to check to make | |
607 | sure it exists for larger than kind = 4. */ | |
608 | if (type == IOPARM_common_unit && e->ts.kind > 4) | |
609 | { | |
610 | stmtblock_t newblock; | |
611 | tree cond1, cond2, cond3, val, body; | |
612 | int i; | |
613 | ||
614 | /* Don't evaluate the UNIT number multiple times. */ | |
615 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
616 | ||
617 | /* UNIT numbers should be greater than zero. */ | |
618 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
619 | cond1 = build2_loc (input_location, LT_EXPR, boolean_type_node, | |
620 | se.expr, | |
621 | fold_convert (TREE_TYPE (se.expr), | |
622 | integer_zero_node)); | |
623 | /* UNIT numbers should be less than the max. */ | |
624 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); | |
625 | cond2 = build2_loc (input_location, GT_EXPR, boolean_type_node, | |
626 | se.expr, | |
627 | fold_convert (TREE_TYPE (se.expr), val)); | |
628 | cond3 = build2_loc (input_location, TRUTH_OR_EXPR, | |
629 | boolean_type_node, cond1, cond2); | |
630 | ||
631 | gfc_start_block (&newblock); | |
632 | ||
633 | /* The unit number GFC_INVALID_UNIT is reserved. No units can | |
634 | ever have this value. It is used here to signal to the | |
635 | runtime library that the inquire unit number is outside the | |
636 | allowable range and so cannot exist. It is needed when | |
637 | -fdefault-integer-8 is used. */ | |
638 | set_parameter_const (&newblock, var, IOPARM_common_unit, | |
639 | GFC_INVALID_UNIT); | |
640 | ||
641 | body = gfc_finish_block (&newblock); | |
642 | ||
643 | cond3 = gfc_unlikely (cond3, PRED_FORTRAN_FAIL_IO); | |
644 | var = build3_v (COND_EXPR, cond3, body, build_empty_stmt (input_location)); | |
645 | gfc_add_expr_to_block (&se.pre, var); | |
646 | } | |
647 | ||
648 | se.expr = convert (dest_type, se.expr); | |
649 | gfc_add_block_to_block (block, &se.pre); | |
650 | ||
651 | return p->mask; | |
652 | } | |
653 | ||
654 | ||
89d91d02 | 655 | /* Generate code to store a non-string I/O parameter into the |
60c514ba | 656 | st_parameter_XXX structure. This is pass by reference. */ |
4ee9c684 | 657 | |
60c514ba | 658 | static unsigned int |
659 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
660 | tree var, enum iofield type, gfc_expr *e) | |
4ee9c684 | 661 | { |
662 | gfc_se se; | |
60c514ba | 663 | tree tmp, addr; |
664 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
4ee9c684 | 665 | |
60c514ba | 666 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
4ee9c684 | 667 | gfc_init_se (&se, NULL); |
60c514ba | 668 | gfc_conv_expr_lhs (&se, e); |
4ee9c684 | 669 | |
4ee9c684 | 670 | gfc_add_block_to_block (block, &se.pre); |
671 | ||
60c514ba | 672 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
673 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
50ad5fa2 | 674 | { |
86f2ad37 | 675 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
50ad5fa2 | 676 | |
677 | /* If this is for the iostat variable initialize the | |
18f0b7df | 678 | user variable to LIBERROR_OK which is zero. */ |
50ad5fa2 | 679 | if (type == IOPARM_common_iostat) |
75a70cf9 | 680 | gfc_add_modify (block, se.expr, |
18f0b7df | 681 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
50ad5fa2 | 682 | } |
60c514ba | 683 | else |
684 | { | |
685 | /* The type used by the library has different size | |
50ad5fa2 | 686 | from the type of the variable supplied by the user. |
687 | Need to use a temporary. */ | |
688 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
689 | st_parameter_field[type].name); | |
690 | ||
691 | /* If this is for the iostat variable, initialize the | |
18f0b7df | 692 | user variable to LIBERROR_OK which is zero. */ |
50ad5fa2 | 693 | if (type == IOPARM_common_iostat) |
75a70cf9 | 694 | gfc_add_modify (block, tmpvar, |
18f0b7df | 695 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
50ad5fa2 | 696 | |
86f2ad37 | 697 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
50ad5fa2 | 698 | /* After the I/O operation, we set the variable from the temporary. */ |
60c514ba | 699 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
75a70cf9 | 700 | gfc_add_modify (postblock, se.expr, tmp); |
50ad5fa2 | 701 | } |
60c514ba | 702 | |
703 | if (p->param_type == IOPARM_ptype_common) | |
1516b2fb | 704 | var = fold_build3_loc (input_location, COMPONENT_REF, |
705 | st_parameter[IOPARM_ptype_common].type, | |
706 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
707 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
708 | var, p->field, NULL_TREE); | |
75a70cf9 | 709 | gfc_add_modify (block, tmp, addr); |
60c514ba | 710 | return p->mask; |
4ee9c684 | 711 | } |
712 | ||
169f9d09 | 713 | /* Given an array expr, find its address and length to get a string. If the |
714 | array is full, the string's address is the address of array's first element | |
bc56d052 | 715 | and the length is the size of the whole array. If it is an element, the |
169f9d09 | 716 | string's address is the element's address and the length is the rest size of |
bc56d052 | 717 | the array. */ |
169f9d09 | 718 | |
719 | static void | |
720 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
721 | { | |
169f9d09 | 722 | tree size; |
169f9d09 | 723 | |
bc56d052 | 724 | if (e->rank == 0) |
169f9d09 | 725 | { |
bc56d052 | 726 | tree type, array, tmp; |
727 | gfc_symbol *sym; | |
728 | int rank; | |
729 | ||
730 | /* If it is an element, we need its address and size of the rest. */ | |
731 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
732 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
733 | sym = e->symtree->n.sym; | |
734 | rank = sym->as->rank - 1; | |
169f9d09 | 735 | gfc_conv_expr (se, e); |
169f9d09 | 736 | |
bc56d052 | 737 | array = sym->backend_decl; |
738 | type = TREE_TYPE (array); | |
169f9d09 | 739 | |
bc56d052 | 740 | if (GFC_ARRAY_TYPE_P (type)) |
741 | size = GFC_TYPE_ARRAY_SIZE (type); | |
742 | else | |
743 | { | |
744 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
745 | size = gfc_conv_array_stride (array, rank); | |
1516b2fb | 746 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
747 | gfc_array_index_type, | |
748 | gfc_conv_array_ubound (array, rank), | |
749 | gfc_conv_array_lbound (array, rank)); | |
750 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
751 | gfc_array_index_type, tmp, | |
752 | gfc_index_one_node); | |
753 | size = fold_build2_loc (input_location, MULT_EXPR, | |
754 | gfc_array_index_type, tmp, size); | |
bc56d052 | 755 | } |
756 | gcc_assert (size); | |
169f9d09 | 757 | |
1516b2fb | 758 | size = fold_build2_loc (input_location, MINUS_EXPR, |
759 | gfc_array_index_type, size, | |
760 | TREE_OPERAND (se->expr, 1)); | |
86f2ad37 | 761 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
bc56d052 | 762 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
1516b2fb | 763 | size = fold_build2_loc (input_location, MULT_EXPR, |
764 | gfc_array_index_type, size, | |
765 | fold_convert (gfc_array_index_type, tmp)); | |
bc56d052 | 766 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
767 | return; | |
169f9d09 | 768 | } |
769 | ||
5d34a30f | 770 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
169f9d09 | 771 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
772 | } | |
4ee9c684 | 773 | |
709f8308 | 774 | |
4ee9c684 | 775 | /* Generate code to store a string and its length into the |
60c514ba | 776 | st_parameter_XXX structure. */ |
4ee9c684 | 777 | |
60c514ba | 778 | static unsigned int |
4ee9c684 | 779 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
60c514ba | 780 | enum iofield type, gfc_expr * e) |
4ee9c684 | 781 | { |
782 | gfc_se se; | |
783 | tree tmp; | |
4ee9c684 | 784 | tree io; |
785 | tree len; | |
60c514ba | 786 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
4ee9c684 | 787 | |
788 | gfc_init_se (&se, NULL); | |
4ee9c684 | 789 | |
60c514ba | 790 | if (p->param_type == IOPARM_ptype_common) |
1516b2fb | 791 | var = fold_build3_loc (input_location, COMPONENT_REF, |
792 | st_parameter[IOPARM_ptype_common].type, | |
793 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
794 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
f75d6b8a | 795 | var, p->field, NULL_TREE); |
1516b2fb | 796 | len = fold_build3_loc (input_location, COMPONENT_REF, |
797 | TREE_TYPE (p->field_len), | |
798 | var, p->field_len, NULL_TREE); | |
4ee9c684 | 799 | |
260abd71 | 800 | /* Integer variable assigned a format label. */ |
bc56d052 | 801 | if (e->ts.type == BT_INTEGER |
802 | && e->rank == 0 | |
803 | && e->symtree->n.sym->attr.assign == 1) | |
4ee9c684 | 804 | { |
97c2a00c | 805 | char * msg; |
399aecc1 | 806 | tree cond; |
97c2a00c | 807 | |
836fa030 | 808 | gfc_conv_label_variable (&se, e); |
4ee9c684 | 809 | tmp = GFC_DECL_STRING_LEN (se.expr); |
1516b2fb | 810 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
811 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
97c2a00c | 812 | |
87fda26c | 813 | msg = xasprintf ("Label assigned to variable '%s' (%%ld) is not a format " |
814 | "label", e->symtree->name); | |
da6ffc6d | 815 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
399aecc1 | 816 | fold_convert (long_integer_type_node, tmp)); |
434f0922 | 817 | free (msg); |
97c2a00c | 818 | |
75a70cf9 | 819 | gfc_add_modify (&se.pre, io, |
6957b927 | 820 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
75a70cf9 | 821 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
4ee9c684 | 822 | } |
823 | else | |
824 | { | |
169f9d09 | 825 | /* General character. */ |
826 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
827 | gfc_conv_expr (&se, e); | |
828 | /* Array assigned Hollerith constant or character array. */ | |
bc56d052 | 829 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
169f9d09 | 830 | gfc_convert_array_to_string (&se, e); |
831 | else | |
832 | gcc_unreachable (); | |
833 | ||
4ee9c684 | 834 | gfc_conv_string_parameter (&se); |
75a70cf9 | 835 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
836 | gfc_add_modify (&se.pre, len, se.string_length); | |
4ee9c684 | 837 | } |
838 | ||
839 | gfc_add_block_to_block (block, &se.pre); | |
840 | gfc_add_block_to_block (postblock, &se.post); | |
60c514ba | 841 | return p->mask; |
4ee9c684 | 842 | } |
843 | ||
844 | ||
709f8308 | 845 | /* Generate code to store the character (array) and the character length |
846 | for an internal unit. */ | |
847 | ||
60c514ba | 848 | static unsigned int |
2ecf364f | 849 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
850 | tree var, gfc_expr * e) | |
709f8308 | 851 | { |
852 | gfc_se se; | |
853 | tree io; | |
854 | tree len; | |
855 | tree desc; | |
856 | tree tmp; | |
60c514ba | 857 | gfc_st_parameter_field *p; |
858 | unsigned int mask; | |
709f8308 | 859 | |
860 | gfc_init_se (&se, NULL); | |
861 | ||
60c514ba | 862 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
863 | mask = p->mask; | |
1516b2fb | 864 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
865 | var, p->field, NULL_TREE); | |
866 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
867 | var, p->field_len, NULL_TREE); | |
60c514ba | 868 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
1516b2fb | 869 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
870 | var, p->field, NULL_TREE); | |
709f8308 | 871 | |
872 | gcc_assert (e->ts.type == BT_CHARACTER); | |
873 | ||
874 | /* Character scalars. */ | |
875 | if (e->rank == 0) | |
876 | { | |
877 | gfc_conv_expr (&se, e); | |
878 | gfc_conv_string_parameter (&se); | |
879 | tmp = se.expr; | |
7d3075f6 | 880 | se.expr = build_int_cst (pchar_type_node, 0); |
709f8308 | 881 | } |
882 | ||
883 | /* Character array. */ | |
6d7e860f | 884 | else if (e->rank > 0) |
709f8308 | 885 | { |
1033248c | 886 | if (is_subref_array (e)) |
2ecf364f | 887 | { |
888 | /* Use a temporary for components of arrays of derived types | |
889 | or substring array references. */ | |
1033248c | 890 | gfc_conv_subref_array_arg (&se, e, 0, |
3446c28b | 891 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
389dd41b | 892 | tmp = build_fold_indirect_ref_loc (input_location, |
893 | se.expr); | |
2ecf364f | 894 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
895 | tmp = gfc_conv_descriptor_data_get (tmp); | |
896 | } | |
897 | else | |
898 | { | |
899 | /* Return the data pointer and rank from the descriptor. */ | |
5d34a30f | 900 | gfc_conv_expr_descriptor (&se, e); |
2ecf364f | 901 | tmp = gfc_conv_descriptor_data_get (se.expr); |
902 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
903 | } | |
709f8308 | 904 | } |
905 | else | |
906 | gcc_unreachable (); | |
907 | ||
908 | /* The cast is needed for character substrings and the descriptor | |
909 | data. */ | |
75a70cf9 | 910 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
911 | gfc_add_modify (&se.pre, len, | |
2ecf364f | 912 | fold_convert (TREE_TYPE (len), se.string_length)); |
75a70cf9 | 913 | gfc_add_modify (&se.pre, desc, se.expr); |
709f8308 | 914 | |
915 | gfc_add_block_to_block (block, &se.pre); | |
2ecf364f | 916 | gfc_add_block_to_block (post_block, &se.post); |
60c514ba | 917 | return mask; |
709f8308 | 918 | } |
919 | ||
4ee9c684 | 920 | /* Add a case to a IO-result switch. */ |
921 | ||
922 | static void | |
923 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
924 | { | |
925 | tree tmp, value; | |
926 | ||
927 | if (label == NULL) | |
928 | return; /* No label, no case */ | |
929 | ||
35bf1214 | 930 | value = build_int_cst (integer_type_node, label_value); |
4ee9c684 | 931 | |
932 | /* Make a backend label for this case. */ | |
b797d6d3 | 933 | tmp = gfc_build_label_decl (NULL_TREE); |
4ee9c684 | 934 | |
935 | /* And the case itself. */ | |
b6e3dd65 | 936 | tmp = build_case_label (value, NULL_TREE, tmp); |
4ee9c684 | 937 | gfc_add_expr_to_block (body, tmp); |
938 | ||
939 | /* Jump to the label. */ | |
940 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
941 | gfc_add_expr_to_block (body, tmp); | |
942 | } | |
943 | ||
944 | ||
945 | /* Generate a switch statement that branches to the correct I/O | |
946 | result label. The last statement of an I/O call stores the | |
947 | result into a variable because there is often cleanup that | |
948 | must be done before the switch, so a temporary would have to | |
949 | be created anyway. */ | |
950 | ||
951 | static void | |
60c514ba | 952 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
4ee9c684 | 953 | gfc_st_label * end_label, gfc_st_label * eor_label) |
954 | { | |
955 | stmtblock_t body; | |
956 | tree tmp, rc; | |
60c514ba | 957 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
4ee9c684 | 958 | |
959 | /* If no labels are specified, ignore the result instead | |
960 | of building an empty switch. */ | |
961 | if (err_label == NULL | |
962 | && end_label == NULL | |
963 | && eor_label == NULL) | |
964 | return; | |
965 | ||
966 | /* Build a switch statement. */ | |
967 | gfc_start_block (&body); | |
968 | ||
969 | /* The label values here must be the same as the values | |
970 | in the library_return enum in the runtime library */ | |
971 | add_case (1, err_label, &body); | |
972 | add_case (2, end_label, &body); | |
973 | add_case (3, eor_label, &body); | |
974 | ||
975 | tmp = gfc_finish_block (&body); | |
976 | ||
1516b2fb | 977 | var = fold_build3_loc (input_location, COMPONENT_REF, |
978 | st_parameter[IOPARM_ptype_common].type, | |
979 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
980 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
981 | var, p->field, NULL_TREE); | |
982 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
983 | rc, build_int_cst (TREE_TYPE (rc), | |
984 | IOPARM_common_libreturn_mask)); | |
4ee9c684 | 985 | |
bfb10994 | 986 | tmp = fold_build3_loc (input_location, SWITCH_EXPR, NULL_TREE, |
987 | rc, tmp, NULL_TREE); | |
4ee9c684 | 988 | |
989 | gfc_add_expr_to_block (block, tmp); | |
990 | } | |
991 | ||
992 | ||
993 | /* Store the current file and line number to variables so that if a | |
994 | library call goes awry, we can tell the user where the problem is. */ | |
995 | ||
996 | static void | |
60c514ba | 997 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
4ee9c684 | 998 | { |
999 | gfc_file *f; | |
60c514ba | 1000 | tree str, locus_file; |
4ee9c684 | 1001 | int line; |
60c514ba | 1002 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
4ee9c684 | 1003 | |
1516b2fb | 1004 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
1005 | st_parameter[IOPARM_ptype_common].type, | |
1006 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
1007 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
1008 | TREE_TYPE (p->field), locus_file, | |
1009 | p->field, NULL_TREE); | |
b0057e95 | 1010 | f = where->lb->file; |
60c514ba | 1011 | str = gfc_build_cstring_const (f->filename); |
4ee9c684 | 1012 | |
60c514ba | 1013 | str = gfc_build_addr_expr (pchar_type_node, str); |
75a70cf9 | 1014 | gfc_add_modify (block, locus_file, str); |
4ee9c684 | 1015 | |
b31f705b | 1016 | line = LOCATION_LINE (where->lb->location); |
60c514ba | 1017 | set_parameter_const (block, var, IOPARM_common_line, line); |
4ee9c684 | 1018 | } |
1019 | ||
1020 | ||
1021 | /* Translate an OPEN statement. */ | |
1022 | ||
1023 | tree | |
1024 | gfc_trans_open (gfc_code * code) | |
1025 | { | |
1026 | stmtblock_t block, post_block; | |
1027 | gfc_open *p; | |
60c514ba | 1028 | tree tmp, var; |
1029 | unsigned int mask = 0; | |
4ee9c684 | 1030 | |
60c514ba | 1031 | gfc_start_block (&block); |
4ee9c684 | 1032 | gfc_init_block (&post_block); |
1033 | ||
60c514ba | 1034 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
1035 | ||
1036 | set_error_locus (&block, var, &code->loc); | |
4ee9c684 | 1037 | p = code->ext.open; |
1038 | ||
50ad5fa2 | 1039 | if (p->iomsg) |
1040 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1041 | p->iomsg); | |
1042 | ||
1043 | if (p->iostat) | |
1044 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1045 | p->iostat); | |
1046 | ||
1047 | if (p->err) | |
1048 | mask |= IOPARM_common_err; | |
4ee9c684 | 1049 | |
1050 | if (p->file) | |
60c514ba | 1051 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
4ee9c684 | 1052 | |
1053 | if (p->status) | |
60c514ba | 1054 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
1055 | p->status); | |
4ee9c684 | 1056 | |
1057 | if (p->access) | |
60c514ba | 1058 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
1059 | p->access); | |
4ee9c684 | 1060 | |
1061 | if (p->form) | |
60c514ba | 1062 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
4ee9c684 | 1063 | |
1064 | if (p->recl) | |
f26dc717 | 1065 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, |
c83059be | 1066 | p->recl); |
4ee9c684 | 1067 | |
1068 | if (p->blank) | |
60c514ba | 1069 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
1070 | p->blank); | |
4ee9c684 | 1071 | |
1072 | if (p->position) | |
60c514ba | 1073 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
1074 | p->position); | |
4ee9c684 | 1075 | |
1076 | if (p->action) | |
60c514ba | 1077 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
1078 | p->action); | |
4ee9c684 | 1079 | |
1080 | if (p->delim) | |
60c514ba | 1081 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
1082 | p->delim); | |
4ee9c684 | 1083 | |
1084 | if (p->pad) | |
60c514ba | 1085 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
4ee9c684 | 1086 | |
ff6af856 | 1087 | if (p->decimal) |
1088 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
1089 | p->decimal); | |
1090 | ||
1091 | if (p->encoding) | |
1092 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
1093 | p->encoding); | |
1094 | ||
1095 | if (p->round) | |
1096 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
1097 | ||
1098 | if (p->sign) | |
1099 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
1100 | ||
1101 | if (p->asynchronous) | |
1102 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
1103 | p->asynchronous); | |
1104 | ||
9e94d29f | 1105 | if (p->convert) |
1106 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1107 | p->convert); | |
4442e7ec | 1108 | |
82b12af7 | 1109 | if (p->newunit) |
1110 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1111 | p->newunit); | |
9e94d29f | 1112 | |
60c514ba | 1113 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1114 | ||
50ad5fa2 | 1115 | if (p->unit) |
f26dc717 | 1116 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
50ad5fa2 | 1117 | else |
1118 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1119 | ||
86f2ad37 | 1120 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
389dd41b | 1121 | tmp = build_call_expr_loc (input_location, |
1122 | iocall[IOCALL_OPEN], 1, tmp); | |
4ee9c684 | 1123 | gfc_add_expr_to_block (&block, tmp); |
1124 | ||
1125 | gfc_add_block_to_block (&block, &post_block); | |
1126 | ||
60c514ba | 1127 | io_result (&block, var, p->err, NULL, NULL); |
4ee9c684 | 1128 | |
1129 | return gfc_finish_block (&block); | |
1130 | } | |
1131 | ||
1132 | ||
1133 | /* Translate a CLOSE statement. */ | |
1134 | ||
1135 | tree | |
1136 | gfc_trans_close (gfc_code * code) | |
1137 | { | |
1138 | stmtblock_t block, post_block; | |
1139 | gfc_close *p; | |
60c514ba | 1140 | tree tmp, var; |
1141 | unsigned int mask = 0; | |
4ee9c684 | 1142 | |
60c514ba | 1143 | gfc_start_block (&block); |
4ee9c684 | 1144 | gfc_init_block (&post_block); |
1145 | ||
60c514ba | 1146 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1147 | ||
1148 | set_error_locus (&block, var, &code->loc); | |
4ee9c684 | 1149 | p = code->ext.close; |
1150 | ||
65f9e5fc | 1151 | if (p->iomsg) |
60c514ba | 1152 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1153 | p->iomsg); | |
65f9e5fc | 1154 | |
4ee9c684 | 1155 | if (p->iostat) |
60c514ba | 1156 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1157 | p->iostat); | |
4ee9c684 | 1158 | |
1159 | if (p->err) | |
60c514ba | 1160 | mask |= IOPARM_common_err; |
1161 | ||
50ad5fa2 | 1162 | if (p->status) |
1163 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1164 | p->status); | |
1165 | ||
60c514ba | 1166 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
4ee9c684 | 1167 | |
50ad5fa2 | 1168 | if (p->unit) |
f26dc717 | 1169 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
50ad5fa2 | 1170 | else |
1171 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1172 | ||
86f2ad37 | 1173 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
389dd41b | 1174 | tmp = build_call_expr_loc (input_location, |
1175 | iocall[IOCALL_CLOSE], 1, tmp); | |
4ee9c684 | 1176 | gfc_add_expr_to_block (&block, tmp); |
1177 | ||
1178 | gfc_add_block_to_block (&block, &post_block); | |
1179 | ||
60c514ba | 1180 | io_result (&block, var, p->err, NULL, NULL); |
4ee9c684 | 1181 | |
1182 | return gfc_finish_block (&block); | |
1183 | } | |
1184 | ||
1185 | ||
1186 | /* Common subroutine for building a file positioning statement. */ | |
1187 | ||
1188 | static tree | |
1189 | build_filepos (tree function, gfc_code * code) | |
1190 | { | |
65f9e5fc | 1191 | stmtblock_t block, post_block; |
4ee9c684 | 1192 | gfc_filepos *p; |
60c514ba | 1193 | tree tmp, var; |
1194 | unsigned int mask = 0; | |
4ee9c684 | 1195 | |
1196 | p = code->ext.filepos; | |
1197 | ||
60c514ba | 1198 | gfc_start_block (&block); |
65f9e5fc | 1199 | gfc_init_block (&post_block); |
4ee9c684 | 1200 | |
60c514ba | 1201 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1202 | "filepos_parm"); | |
1203 | ||
1204 | set_error_locus (&block, var, &code->loc); | |
4ee9c684 | 1205 | |
65f9e5fc | 1206 | if (p->iomsg) |
60c514ba | 1207 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1208 | p->iomsg); | |
65f9e5fc | 1209 | |
4ee9c684 | 1210 | if (p->iostat) |
f26dc717 | 1211 | mask |= set_parameter_ref (&block, &post_block, var, |
1212 | IOPARM_common_iostat, p->iostat); | |
4ee9c684 | 1213 | |
1214 | if (p->err) | |
60c514ba | 1215 | mask |= IOPARM_common_err; |
1216 | ||
1217 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
4ee9c684 | 1218 | |
50ad5fa2 | 1219 | if (p->unit) |
f26dc717 | 1220 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, |
1221 | p->unit); | |
50ad5fa2 | 1222 | else |
1223 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1224 | ||
86f2ad37 | 1225 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
389dd41b | 1226 | tmp = build_call_expr_loc (input_location, |
1227 | function, 1, tmp); | |
4ee9c684 | 1228 | gfc_add_expr_to_block (&block, tmp); |
1229 | ||
65f9e5fc | 1230 | gfc_add_block_to_block (&block, &post_block); |
1231 | ||
60c514ba | 1232 | io_result (&block, var, p->err, NULL, NULL); |
4ee9c684 | 1233 | |
1234 | return gfc_finish_block (&block); | |
1235 | } | |
1236 | ||
1237 | ||
1238 | /* Translate a BACKSPACE statement. */ | |
1239 | ||
1240 | tree | |
1241 | gfc_trans_backspace (gfc_code * code) | |
1242 | { | |
60c514ba | 1243 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
4ee9c684 | 1244 | } |
1245 | ||
1246 | ||
1247 | /* Translate an ENDFILE statement. */ | |
1248 | ||
1249 | tree | |
1250 | gfc_trans_endfile (gfc_code * code) | |
1251 | { | |
60c514ba | 1252 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
4ee9c684 | 1253 | } |
1254 | ||
1255 | ||
1256 | /* Translate a REWIND statement. */ | |
1257 | ||
1258 | tree | |
1259 | gfc_trans_rewind (gfc_code * code) | |
1260 | { | |
60c514ba | 1261 | return build_filepos (iocall[IOCALL_REWIND], code); |
4ee9c684 | 1262 | } |
1263 | ||
1264 | ||
6c306f90 | 1265 | /* Translate a FLUSH statement. */ |
1266 | ||
1267 | tree | |
1268 | gfc_trans_flush (gfc_code * code) | |
1269 | { | |
60c514ba | 1270 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6c306f90 | 1271 | } |
1272 | ||
1273 | ||
4ee9c684 | 1274 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1275 | ||
1276 | tree | |
1277 | gfc_trans_inquire (gfc_code * code) | |
1278 | { | |
1279 | stmtblock_t block, post_block; | |
1280 | gfc_inquire *p; | |
60c514ba | 1281 | tree tmp, var; |
ff6af856 | 1282 | unsigned int mask = 0, mask2 = 0; |
4ee9c684 | 1283 | |
60c514ba | 1284 | gfc_start_block (&block); |
4ee9c684 | 1285 | gfc_init_block (&post_block); |
1286 | ||
60c514ba | 1287 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1288 | "inquire_parm"); | |
1289 | ||
1290 | set_error_locus (&block, var, &code->loc); | |
4ee9c684 | 1291 | p = code->ext.inquire; |
1292 | ||
65f9e5fc | 1293 | if (p->iomsg) |
60c514ba | 1294 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1295 | p->iomsg); | |
65f9e5fc | 1296 | |
4ee9c684 | 1297 | if (p->iostat) |
60c514ba | 1298 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1299 | p->iostat); | |
4ee9c684 | 1300 | |
50ad5fa2 | 1301 | if (p->err) |
1302 | mask |= IOPARM_common_err; | |
1303 | ||
1304 | /* Sanity check. */ | |
1305 | if (p->unit && p->file) | |
1306 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1307 | ||
1308 | if (p->file) | |
1309 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1310 | p->file); | |
1311 | ||
4ee9c684 | 1312 | if (p->exist) |
f26dc717 | 1313 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, |
07671b0c | 1314 | p->exist); |
4ee9c684 | 1315 | |
1316 | if (p->opened) | |
60c514ba | 1317 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1318 | p->opened); | |
4ee9c684 | 1319 | |
1320 | if (p->number) | |
60c514ba | 1321 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1322 | p->number); | |
4ee9c684 | 1323 | |
1324 | if (p->named) | |
60c514ba | 1325 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1326 | p->named); | |
4ee9c684 | 1327 | |
1328 | if (p->name) | |
60c514ba | 1329 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1330 | p->name); | |
4ee9c684 | 1331 | |
1332 | if (p->access) | |
60c514ba | 1333 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1334 | p->access); | |
4ee9c684 | 1335 | |
1336 | if (p->sequential) | |
60c514ba | 1337 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1338 | p->sequential); | |
4ee9c684 | 1339 | |
1340 | if (p->direct) | |
60c514ba | 1341 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1342 | p->direct); | |
4ee9c684 | 1343 | |
1344 | if (p->form) | |
60c514ba | 1345 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1346 | p->form); | |
4ee9c684 | 1347 | |
1348 | if (p->formatted) | |
60c514ba | 1349 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1350 | p->formatted); | |
4ee9c684 | 1351 | |
1352 | if (p->unformatted) | |
60c514ba | 1353 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1354 | p->unformatted); | |
4ee9c684 | 1355 | |
1356 | if (p->recl) | |
60c514ba | 1357 | mask |= set_parameter_ref (&block, &post_block, var, |
1358 | IOPARM_inquire_recl_out, p->recl); | |
4ee9c684 | 1359 | |
1360 | if (p->nextrec) | |
60c514ba | 1361 | mask |= set_parameter_ref (&block, &post_block, var, |
1362 | IOPARM_inquire_nextrec, p->nextrec); | |
4ee9c684 | 1363 | |
1364 | if (p->blank) | |
60c514ba | 1365 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1366 | p->blank); | |
4ee9c684 | 1367 | |
15618afa | 1368 | if (p->delim) |
1369 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1370 | p->delim); | |
1371 | ||
4ee9c684 | 1372 | if (p->position) |
60c514ba | 1373 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1374 | p->position); | |
4ee9c684 | 1375 | |
1376 | if (p->action) | |
60c514ba | 1377 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1378 | p->action); | |
4ee9c684 | 1379 | |
1380 | if (p->read) | |
60c514ba | 1381 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1382 | p->read); | |
4ee9c684 | 1383 | |
1384 | if (p->write) | |
60c514ba | 1385 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1386 | p->write); | |
4ee9c684 | 1387 | |
1388 | if (p->readwrite) | |
60c514ba | 1389 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1390 | p->readwrite); | |
4ee9c684 | 1391 | |
60065042 | 1392 | if (p->pad) |
60c514ba | 1393 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1394 | p->pad); | |
4442e7ec | 1395 | |
9e94d29f | 1396 | if (p->convert) |
1397 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1398 | p->convert); | |
1399 | ||
e83964b2 | 1400 | if (p->strm_pos) |
1401 | mask |= set_parameter_ref (&block, &post_block, var, | |
1402 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1403 | ||
ff6af856 | 1404 | /* The second series of flags. */ |
1405 | if (p->asynchronous) | |
1406 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1407 | p->asynchronous); | |
1408 | ||
1409 | if (p->decimal) | |
1410 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1411 | p->decimal); | |
1412 | ||
1413 | if (p->encoding) | |
1414 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1415 | p->encoding); | |
1416 | ||
1417 | if (p->round) | |
1418 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1419 | p->round); | |
1420 | ||
1421 | if (p->sign) | |
1422 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1423 | p->sign); | |
1424 | ||
1425 | if (p->pending) | |
1426 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1427 | IOPARM_inquire_pending, p->pending); | |
1428 | ||
1429 | if (p->size) | |
1430 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1431 | p->size); | |
1432 | ||
1433 | if (p->id) | |
15618afa | 1434 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1435 | p->id); | |
3f693491 | 1436 | if (p->iqstream) |
1437 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_iqstream, | |
1438 | p->iqstream); | |
ff6af856 | 1439 | |
ff6af856 | 1440 | if (mask2) |
b5d015e3 | 1441 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
ff6af856 | 1442 | |
60c514ba | 1443 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
4ee9c684 | 1444 | |
50ad5fa2 | 1445 | if (p->unit) |
f26dc717 | 1446 | { |
1447 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1448 | set_parameter_value_inquire (&block, var, IOPARM_common_unit, p->unit); | |
1449 | } | |
50ad5fa2 | 1450 | else |
1451 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1452 | ||
86f2ad37 | 1453 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
389dd41b | 1454 | tmp = build_call_expr_loc (input_location, |
1455 | iocall[IOCALL_INQUIRE], 1, tmp); | |
4ee9c684 | 1456 | gfc_add_expr_to_block (&block, tmp); |
1457 | ||
1458 | gfc_add_block_to_block (&block, &post_block); | |
1459 | ||
60c514ba | 1460 | io_result (&block, var, p->err, NULL, NULL); |
4ee9c684 | 1461 | |
1462 | return gfc_finish_block (&block); | |
1463 | } | |
1464 | ||
ff6af856 | 1465 | |
1466 | tree | |
1467 | gfc_trans_wait (gfc_code * code) | |
1468 | { | |
1469 | stmtblock_t block, post_block; | |
1470 | gfc_wait *p; | |
1471 | tree tmp, var; | |
1472 | unsigned int mask = 0; | |
1473 | ||
1474 | gfc_start_block (&block); | |
1475 | gfc_init_block (&post_block); | |
1476 | ||
1477 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1478 | "wait_parm"); | |
1479 | ||
1480 | set_error_locus (&block, var, &code->loc); | |
1481 | p = code->ext.wait; | |
1482 | ||
1483 | /* Set parameters here. */ | |
1484 | if (p->iomsg) | |
1485 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1486 | p->iomsg); | |
1487 | ||
1488 | if (p->iostat) | |
1489 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1490 | p->iostat); | |
1491 | ||
1492 | if (p->err) | |
1493 | mask |= IOPARM_common_err; | |
1494 | ||
1495 | if (p->id) | |
f26dc717 | 1496 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); |
ff6af856 | 1497 | |
1498 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1499 | ||
1500 | if (p->unit) | |
f26dc717 | 1501 | set_parameter_value_chk (&block, p->iostat, var, IOPARM_common_unit, p->unit); |
ff6af856 | 1502 | |
86f2ad37 | 1503 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
389dd41b | 1504 | tmp = build_call_expr_loc (input_location, |
1505 | iocall[IOCALL_WAIT], 1, tmp); | |
ff6af856 | 1506 | gfc_add_expr_to_block (&block, tmp); |
1507 | ||
1508 | gfc_add_block_to_block (&block, &post_block); | |
1509 | ||
1510 | io_result (&block, var, p->err, NULL, NULL); | |
1511 | ||
1512 | return gfc_finish_block (&block); | |
1513 | ||
1514 | } | |
1515 | ||
4ee9c684 | 1516 | |
fc2a7c27 | 1517 | /* nml_full_name builds up the fully qualified name of a |
74f5b093 | 1518 | derived type component. '+' is used to denote a type extension. */ |
fc2a7c27 | 1519 | |
1520 | static char* | |
74f5b093 | 1521 | nml_full_name (const char* var_name, const char* cmp_name, bool parent) |
4ee9c684 | 1522 | { |
fc2a7c27 | 1523 | int full_name_length; |
1524 | char * full_name; | |
1525 | ||
1526 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
dfa3fb6a | 1527 | full_name = XCNEWVEC (char, full_name_length + 1); |
fc2a7c27 | 1528 | strcpy (full_name, var_name); |
74f5b093 | 1529 | full_name = strcat (full_name, parent ? "+" : "%"); |
fc2a7c27 | 1530 | full_name = strcat (full_name, cmp_name); |
1531 | return full_name; | |
4ee9c684 | 1532 | } |
1533 | ||
95fad61e | 1534 | |
fc2a7c27 | 1535 | /* nml_get_addr_expr builds an address expression from the |
1536 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1537 | provided so that the address of an element of an array of | |
1538 | derived types is returned. This is used in the runtime to | |
f6d0e37a | 1539 | determine that span of the derived type. */ |
fc2a7c27 | 1540 | |
1541 | static tree | |
1542 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1543 | tree base_addr) | |
1544 | { | |
1545 | tree decl = NULL_TREE; | |
1546 | tree tmp; | |
fc2a7c27 | 1547 | |
1548 | if (sym) | |
1549 | { | |
1550 | sym->attr.referenced = 1; | |
1551 | decl = gfc_get_symbol_decl (sym); | |
bc055333 | 1552 | |
1553 | /* If this is the enclosing function declaration, use | |
1554 | the fake result instead. */ | |
1555 | if (decl == current_function_decl) | |
1556 | decl = gfc_get_fake_result_decl (sym, 0); | |
1557 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1558 | decl = gfc_get_fake_result_decl (sym, 1); | |
fc2a7c27 | 1559 | } |
1560 | else | |
1561 | decl = c->backend_decl; | |
1562 | ||
1563 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1564 | || TREE_CODE (decl) == VAR_DECL | |
1565 | || TREE_CODE (decl) == PARM_DECL) | |
1566 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1567 | ||
1568 | tmp = decl; | |
1569 | ||
1570 | /* Build indirect reference, if dummy argument. */ | |
1571 | ||
95fad61e | 1572 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1573 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
fc2a7c27 | 1574 | |
1575 | /* Treat the component of a derived type, using base_addr for | |
1576 | the derived type. */ | |
1577 | ||
1578 | if (TREE_CODE (decl) == FIELD_DECL) | |
1516b2fb | 1579 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1580 | base_addr, tmp, NULL_TREE); | |
fc2a7c27 | 1581 | |
95fad61e | 1582 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1583 | tmp = gfc_conv_array_data (tmp); | |
1584 | else | |
1585 | { | |
1586 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1587 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
fc2a7c27 | 1588 | |
95fad61e | 1589 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1590 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
fc2a7c27 | 1591 | |
95fad61e | 1592 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1593 | tmp = build_fold_indirect_ref_loc (input_location, | |
389dd41b | 1594 | tmp); |
95fad61e | 1595 | } |
fc2a7c27 | 1596 | |
1597 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1598 | ||
1599 | return tmp; | |
1600 | } | |
2cd58ad7 | 1601 | |
95fad61e | 1602 | |
fc2a7c27 | 1603 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
60c514ba | 1604 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1605 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
2cd58ad7 | 1606 | |
fc2a7c27 | 1607 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
2cd58ad7 | 1608 | |
1609 | static void | |
fc2a7c27 | 1610 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1611 | gfc_symbol * sym, gfc_component * c, | |
1612 | tree base_addr) | |
2cd58ad7 | 1613 | { |
fc2a7c27 | 1614 | gfc_typespec * ts = NULL; |
1615 | gfc_array_spec * as = NULL; | |
1616 | tree addr_expr = NULL; | |
1617 | tree dt = NULL; | |
1618 | tree string; | |
1619 | tree tmp; | |
fc2a7c27 | 1620 | tree dtype; |
60c514ba | 1621 | tree dt_parm_addr; |
95fad61e | 1622 | tree decl = NULL_TREE; |
9803f9eb | 1623 | tree gfc_int4_type_node = gfc_get_int_type (4); |
4442e7ec | 1624 | int n_dim; |
fc2a7c27 | 1625 | int itype; |
1626 | int rank = 0; | |
2cd58ad7 | 1627 | |
fc2a7c27 | 1628 | gcc_assert (sym || c); |
2cd58ad7 | 1629 | |
fc2a7c27 | 1630 | /* Build the namelist object name. */ |
1631 | ||
1632 | string = gfc_build_cstring_const (var_name); | |
1633 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1634 | ||
1635 | /* Build ts, as and data address using symbol or component. */ | |
1636 | ||
1637 | ts = (sym) ? &sym->ts : &c->ts; | |
1638 | as = (sym) ? sym->as : c->as; | |
1639 | ||
1640 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1641 | ||
1642 | if (as) | |
1643 | rank = as->rank; | |
1644 | ||
1645 | if (rank) | |
2cd58ad7 | 1646 | { |
95fad61e | 1647 | decl = (sym) ? sym->backend_decl : c->backend_decl; |
1648 | if (sym && sym->attr.dummy) | |
1649 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
1650 | dt = TREE_TYPE (decl); | |
fc2a7c27 | 1651 | dtype = gfc_get_dtype (dt); |
2cd58ad7 | 1652 | } |
fc2a7c27 | 1653 | else |
1654 | { | |
79dda023 | 1655 | itype = ts->type; |
fc2a7c27 | 1656 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
2cd58ad7 | 1657 | } |
1658 | ||
fc2a7c27 | 1659 | /* Build up the arguments for the transfer call. |
1660 | The call for the scalar part transfers: | |
1661 | (address, name, type, kind or string_length, dtype) */ | |
1662 | ||
86f2ad37 | 1663 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
fc2a7c27 | 1664 | |
1665 | if (ts->type == BT_CHARACTER) | |
eeebe20b | 1666 | tmp = ts->u.cl->backend_decl; |
fc2a7c27 | 1667 | else |
c2f47e15 | 1668 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
389dd41b | 1669 | tmp = build_call_expr_loc (input_location, |
1670 | iocall[IOCALL_SET_NML_VAL], 6, | |
c2f47e15 | 1671 | dt_parm_addr, addr_expr, string, |
9803f9eb | 1672 | build_int_cst (gfc_int4_type_node, ts->kind), |
1673 | tmp, dtype); | |
2cd58ad7 | 1674 | gfc_add_expr_to_block (block, tmp); |
fc2a7c27 | 1675 | |
1676 | /* If the object is an array, transfer rank times: | |
1677 | (null pointer, name, stride, lbound, ubound) */ | |
1678 | ||
1679 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1680 | { | |
389dd41b | 1681 | tmp = build_call_expr_loc (input_location, |
1682 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
c2f47e15 | 1683 | dt_parm_addr, |
9803f9eb | 1684 | build_int_cst (gfc_int4_type_node, n_dim), |
95fad61e | 1685 | gfc_conv_array_stride (decl, n_dim), |
1686 | gfc_conv_array_lbound (decl, n_dim), | |
1687 | gfc_conv_array_ubound (decl, n_dim)); | |
fc2a7c27 | 1688 | gfc_add_expr_to_block (block, tmp); |
1689 | } | |
1690 | ||
d526ff88 | 1691 | if (ts->type == BT_DERIVED && ts->u.derived->components) |
fc2a7c27 | 1692 | { |
1693 | gfc_component *cmp; | |
1694 | ||
1695 | /* Provide the RECORD_TYPE to build component references. */ | |
1696 | ||
389dd41b | 1697 | tree expr = build_fold_indirect_ref_loc (input_location, |
1698 | addr_expr); | |
fc2a7c27 | 1699 | |
eeebe20b | 1700 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
fc2a7c27 | 1701 | { |
74f5b093 | 1702 | char *full_name = nml_full_name (var_name, cmp->name, |
1703 | ts->u.derived->attr.extension); | |
fc2a7c27 | 1704 | transfer_namelist_element (block, |
1705 | full_name, | |
1706 | NULL, cmp, expr); | |
434f0922 | 1707 | free (full_name); |
fc2a7c27 | 1708 | } |
1709 | } | |
2cd58ad7 | 1710 | } |
4ee9c684 | 1711 | |
fc2a7c27 | 1712 | #undef IARG |
fc2a7c27 | 1713 | |
4ee9c684 | 1714 | /* Create a data transfer statement. Not all of the fields are valid |
1715 | for both reading and writing, but improper use has been filtered | |
1716 | out by now. */ | |
1717 | ||
1718 | static tree | |
60c514ba | 1719 | build_dt (tree function, gfc_code * code) |
4ee9c684 | 1720 | { |
2ecf364f | 1721 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
4ee9c684 | 1722 | gfc_dt *dt; |
60c514ba | 1723 | tree tmp, var; |
fc2a7c27 | 1724 | gfc_expr *nmlname; |
2cd58ad7 | 1725 | gfc_namelist *nml; |
0db1fafd | 1726 | unsigned int mask = 0; |
4ee9c684 | 1727 | |
60c514ba | 1728 | gfc_start_block (&block); |
4ee9c684 | 1729 | gfc_init_block (&post_block); |
60c514ba | 1730 | gfc_init_block (&post_end_block); |
2ecf364f | 1731 | gfc_init_block (&post_iu_block); |
60c514ba | 1732 | |
1733 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1734 | ||
1735 | set_error_locus (&block, var, &code->loc); | |
4ee9c684 | 1736 | |
60c514ba | 1737 | if (last_dt == IOLENGTH) |
1738 | { | |
1739 | gfc_inquire *inq; | |
1740 | ||
1741 | inq = code->ext.inquire; | |
4ee9c684 | 1742 | |
60c514ba | 1743 | /* First check that preconditions are met. */ |
1744 | gcc_assert (inq != NULL); | |
1745 | gcc_assert (inq->iolength != NULL); | |
1746 | ||
1747 | /* Connect to the iolength variable. */ | |
1748 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1749 | IOPARM_dt_iolength, inq->iolength); | |
1750 | dt = NULL; | |
1751 | } | |
1752 | else | |
1753 | { | |
1754 | dt = code->ext.dt; | |
1755 | gcc_assert (dt != NULL); | |
1756 | } | |
6799e2f8 | 1757 | |
60c514ba | 1758 | if (dt && dt->io_unit) |
4ee9c684 | 1759 | { |
1760 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1761 | { | |
2ecf364f | 1762 | mask |= set_internal_unit (&block, &post_iu_block, |
1763 | var, dt->io_unit); | |
487c959a | 1764 | set_parameter_const (&block, var, IOPARM_common_unit, |
1765 | dt->io_unit->ts.kind == 1 ? 0 : -1); | |
4ee9c684 | 1766 | } |
4ee9c684 | 1767 | } |
60c514ba | 1768 | else |
1769 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
4ee9c684 | 1770 | |
60c514ba | 1771 | if (dt) |
1772 | { | |
50ad5fa2 | 1773 | if (dt->iomsg) |
1774 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1775 | dt->iomsg); | |
1776 | ||
1777 | if (dt->iostat) | |
1778 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1779 | IOPARM_common_iostat, dt->iostat); | |
1780 | ||
1781 | if (dt->err) | |
1782 | mask |= IOPARM_common_err; | |
1783 | ||
1784 | if (dt->eor) | |
1785 | mask |= IOPARM_common_eor; | |
1786 | ||
1787 | if (dt->end) | |
1788 | mask |= IOPARM_common_end; | |
1789 | ||
ff6af856 | 1790 | if (dt->id) |
1791 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1792 | IOPARM_dt_id, dt->id); | |
1793 | ||
1794 | if (dt->pos) | |
f26dc717 | 1795 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); |
ff6af856 | 1796 | |
1797 | if (dt->asynchronous) | |
f26dc717 | 1798 | mask |= set_string (&block, &post_block, var, |
1799 | IOPARM_dt_asynchronous, dt->asynchronous); | |
ff6af856 | 1800 | |
1801 | if (dt->blank) | |
1802 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1803 | dt->blank); | |
1804 | ||
1805 | if (dt->decimal) | |
1806 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1807 | dt->decimal); | |
1808 | ||
1809 | if (dt->delim) | |
1810 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1811 | dt->delim); | |
1812 | ||
1813 | if (dt->pad) | |
1814 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1815 | dt->pad); | |
1816 | ||
1817 | if (dt->round) | |
1818 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1819 | dt->round); | |
1820 | ||
1821 | if (dt->sign) | |
1822 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1823 | dt->sign); | |
1824 | ||
60c514ba | 1825 | if (dt->rec) |
f26dc717 | 1826 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); |
4ee9c684 | 1827 | |
60c514ba | 1828 | if (dt->advance) |
1829 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1830 | dt->advance); | |
4ee9c684 | 1831 | |
60c514ba | 1832 | if (dt->format_expr) |
c1f61f13 | 1833 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
60c514ba | 1834 | dt->format_expr); |
4ee9c684 | 1835 | |
60c514ba | 1836 | if (dt->format_label) |
1837 | { | |
1838 | if (dt->format_label == &format_asterisk) | |
1839 | mask |= IOPARM_dt_list_format; | |
1840 | else | |
1841 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1842 | dt->format_label->format); | |
1843 | } | |
4ee9c684 | 1844 | |
60c514ba | 1845 | if (dt->size) |
1846 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1847 | IOPARM_dt_size, dt->size); | |
4ee9c684 | 1848 | |
60c514ba | 1849 | if (dt->namelist) |
1850 | { | |
1851 | if (dt->format_expr || dt->format_label) | |
1852 | gfc_internal_error ("build_dt: format with namelist"); | |
1853 | ||
126387b5 | 1854 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1855 | dt->namelist->name, | |
1856 | strlen (dt->namelist->name)); | |
fc2a7c27 | 1857 | |
60c514ba | 1858 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1859 | nmlname); | |
fc2a7c27 | 1860 | |
c23adf93 | 1861 | gfc_free_expr (nmlname); |
1862 | ||
60c514ba | 1863 | if (last_dt == READ) |
1864 | mask |= IOPARM_dt_namelist_read_mode; | |
fc2a7c27 | 1865 | |
60c514ba | 1866 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
fc2a7c27 | 1867 | |
60c514ba | 1868 | dt_parm = var; |
1869 | ||
1870 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1871 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
7623e879 | 1872 | NULL, NULL_TREE); |
60c514ba | 1873 | } |
1874 | else | |
1875 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
50ad5fa2 | 1876 | |
1877 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
f26dc717 | 1878 | set_parameter_value_chk (&block, dt->iostat, var, |
1879 | IOPARM_common_unit, dt->io_unit); | |
4ee9c684 | 1880 | } |
60c514ba | 1881 | else |
1882 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
4ee9c684 | 1883 | |
86f2ad37 | 1884 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
1108483a | 1885 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
389dd41b | 1886 | function, 1, tmp); |
4ee9c684 | 1887 | gfc_add_expr_to_block (&block, tmp); |
1888 | ||
1889 | gfc_add_block_to_block (&block, &post_block); | |
1890 | ||
60c514ba | 1891 | dt_parm = var; |
1892 | dt_post_end_block = &post_end_block; | |
1893 | ||
1e8c7f7a | 1894 | /* Set implied do loop exit condition. */ |
1895 | if (last_dt == READ || last_dt == WRITE) | |
1896 | { | |
1897 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1898 | ||
1516b2fb | 1899 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1900 | st_parameter[IOPARM_ptype_common].type, | |
1901 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1902 | NULL_TREE); | |
1903 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1904 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1905 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1906 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1907 | IOPARM_common_libreturn_mask)); | |
1e8c7f7a | 1908 | } |
1909 | else /* IOLENGTH */ | |
1910 | tmp = NULL_TREE; | |
1911 | ||
1912 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
60c514ba | 1913 | |
2ecf364f | 1914 | gfc_add_block_to_block (&block, &post_iu_block); |
1915 | ||
60c514ba | 1916 | dt_parm = NULL; |
1917 | dt_post_end_block = NULL; | |
1918 | ||
4ee9c684 | 1919 | return gfc_finish_block (&block); |
1920 | } | |
1921 | ||
1922 | ||
6799e2f8 | 1923 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1924 | this as a third sort of data transfer statement, except that | |
7b3423b9 | 1925 | lengths are summed instead of actually transferring any data. */ |
6799e2f8 | 1926 | |
1927 | tree | |
1928 | gfc_trans_iolength (gfc_code * code) | |
1929 | { | |
6799e2f8 | 1930 | last_dt = IOLENGTH; |
60c514ba | 1931 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
6799e2f8 | 1932 | } |
1933 | ||
1934 | ||
4ee9c684 | 1935 | /* Translate a READ statement. */ |
1936 | ||
1937 | tree | |
1938 | gfc_trans_read (gfc_code * code) | |
1939 | { | |
4ee9c684 | 1940 | last_dt = READ; |
60c514ba | 1941 | return build_dt (iocall[IOCALL_READ], code); |
4ee9c684 | 1942 | } |
1943 | ||
1944 | ||
1945 | /* Translate a WRITE statement */ | |
1946 | ||
1947 | tree | |
1948 | gfc_trans_write (gfc_code * code) | |
1949 | { | |
4ee9c684 | 1950 | last_dt = WRITE; |
60c514ba | 1951 | return build_dt (iocall[IOCALL_WRITE], code); |
4ee9c684 | 1952 | } |
1953 | ||
1954 | ||
1955 | /* Finish a data transfer statement. */ | |
1956 | ||
1957 | tree | |
1958 | gfc_trans_dt_end (gfc_code * code) | |
1959 | { | |
1960 | tree function, tmp; | |
1961 | stmtblock_t block; | |
1962 | ||
1963 | gfc_init_block (&block); | |
1964 | ||
6799e2f8 | 1965 | switch (last_dt) |
1966 | { | |
1967 | case READ: | |
60c514ba | 1968 | function = iocall[IOCALL_READ_DONE]; |
6799e2f8 | 1969 | break; |
1970 | ||
1971 | case WRITE: | |
60c514ba | 1972 | function = iocall[IOCALL_WRITE_DONE]; |
6799e2f8 | 1973 | break; |
1974 | ||
1975 | case IOLENGTH: | |
60c514ba | 1976 | function = iocall[IOCALL_IOLENGTH_DONE]; |
6799e2f8 | 1977 | break; |
1978 | ||
1979 | default: | |
22d678e8 | 1980 | gcc_unreachable (); |
6799e2f8 | 1981 | } |
4ee9c684 | 1982 | |
86f2ad37 | 1983 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
389dd41b | 1984 | tmp = build_call_expr_loc (input_location, |
1985 | function, 1, tmp); | |
4ee9c684 | 1986 | gfc_add_expr_to_block (&block, tmp); |
60c514ba | 1987 | gfc_add_block_to_block (&block, dt_post_end_block); |
1988 | gfc_init_block (dt_post_end_block); | |
4ee9c684 | 1989 | |
6799e2f8 | 1990 | if (last_dt != IOLENGTH) |
1991 | { | |
22d678e8 | 1992 | gcc_assert (code->ext.dt != NULL); |
60c514ba | 1993 | io_result (&block, dt_parm, code->ext.dt->err, |
6799e2f8 | 1994 | code->ext.dt->end, code->ext.dt->eor); |
1995 | } | |
4ee9c684 | 1996 | |
1997 | return gfc_finish_block (&block); | |
1998 | } | |
1999 | ||
3273c361 | 2000 | static void |
e4eda3ec | 2001 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
3273c361 | 2002 | |
2003 | /* Given an array field in a derived type variable, generate the code | |
2004 | for the loop that iterates over array elements, and the code that | |
2005 | accesses those array elements. Use transfer_expr to generate code | |
2006 | for transferring that element. Because elements may also be | |
2007 | derived types, transfer_expr and transfer_array_component are mutually | |
2008 | recursive. */ | |
2009 | ||
2010 | static tree | |
92f4d1c4 | 2011 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
3273c361 | 2012 | { |
2013 | tree tmp; | |
2014 | stmtblock_t body; | |
2015 | stmtblock_t block; | |
2016 | gfc_loopinfo loop; | |
2017 | int n; | |
2018 | gfc_ss *ss; | |
2019 | gfc_se se; | |
f6b46ebc | 2020 | gfc_array_info *ss_array; |
3273c361 | 2021 | |
2022 | gfc_start_block (&block); | |
2023 | gfc_init_se (&se, NULL); | |
2024 | ||
2025 | /* Create and initialize Scalarization Status. Unlike in | |
2026 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
2027 | care of this task, because we don't have a gfc_expr at hand. | |
2028 | Build one manually, as in gfc_trans_subarray_assign. */ | |
2029 | ||
f912e858 | 2030 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
2031 | GFC_SS_COMPONENT); | |
b8f38347 | 2032 | ss_array = &ss->info->data.array; |
f6b46ebc | 2033 | ss_array->shape = gfc_get_shape (cm->as->rank); |
2034 | ss_array->descriptor = expr; | |
2035 | ss_array->data = gfc_conv_array_data (expr); | |
2036 | ss_array->offset = gfc_conv_array_offset (expr); | |
3273c361 | 2037 | for (n = 0; n < cm->as->rank; n++) |
2038 | { | |
f6b46ebc | 2039 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
2040 | ss_array->stride[n] = gfc_index_one_node; | |
3273c361 | 2041 | |
f6b46ebc | 2042 | mpz_init (ss_array->shape[n]); |
2043 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
3273c361 | 2044 | cm->as->lower[n]->value.integer); |
f6b46ebc | 2045 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
3273c361 | 2046 | } |
2047 | ||
b14e2757 | 2048 | /* Once we got ss, we use scalarizer to create the loop. */ |
3273c361 | 2049 | |
2050 | gfc_init_loopinfo (&loop); | |
2051 | gfc_add_ss_to_loop (&loop, ss); | |
2052 | gfc_conv_ss_startstride (&loop); | |
92f4d1c4 | 2053 | gfc_conv_loop_setup (&loop, where); |
3273c361 | 2054 | gfc_mark_ss_chain_used (ss, 1); |
2055 | gfc_start_scalarized_body (&loop, &body); | |
2056 | ||
2057 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2058 | se.ss = ss; | |
2059 | ||
2060 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
2061 | se.expr = expr; | |
2062 | gfc_conv_tmp_array_ref (&se); | |
2063 | ||
2064 | /* Now se.expr contains an element of the array. Take the address and pass | |
2065 | it to the IO routines. */ | |
86f2ad37 | 2066 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
e4eda3ec | 2067 | transfer_expr (&se, &cm->ts, tmp, NULL); |
3273c361 | 2068 | |
2069 | /* We are done now with the loop body. Wrap up the scalarizer and | |
b14e2757 | 2070 | return. */ |
3273c361 | 2071 | |
2072 | gfc_add_block_to_block (&body, &se.pre); | |
2073 | gfc_add_block_to_block (&body, &se.post); | |
2074 | ||
2075 | gfc_trans_scalarizing_loops (&loop, &body); | |
2076 | ||
2077 | gfc_add_block_to_block (&block, &loop.pre); | |
2078 | gfc_add_block_to_block (&block, &loop.post); | |
2079 | ||
f6b46ebc | 2080 | gcc_assert (ss_array->shape != NULL); |
2081 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
6cf06ccd | 2082 | gfc_cleanup_loop (&loop); |
2083 | ||
3273c361 | 2084 | return gfc_finish_block (&block); |
2085 | } | |
4ee9c684 | 2086 | |
2087 | /* Generate the call for a scalar transfer node. */ | |
2088 | ||
2089 | static void | |
e4eda3ec | 2090 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
4ee9c684 | 2091 | { |
dc01006d | 2092 | tree tmp, function, arg2, arg3, field, expr; |
4ee9c684 | 2093 | gfc_component *c; |
2094 | int kind; | |
2095 | ||
c5d33754 | 2096 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2097 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2098 | We need to translate the expression to a constant if it's either | |
e4eda3ec | 2099 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2100 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2101 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
eeebe20b | 2102 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2103 | && ts->u.derived != NULL | |
2104 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
c5d33754 | 2105 | { |
07f0c434 | 2106 | ts->type = BT_INTEGER; |
2107 | ts->kind = gfc_index_integer_kind; | |
c5d33754 | 2108 | } |
4442e7ec | 2109 | |
4ee9c684 | 2110 | kind = ts->kind; |
2111 | function = NULL; | |
2112 | arg2 = NULL; | |
dc01006d | 2113 | arg3 = NULL; |
4ee9c684 | 2114 | |
2115 | switch (ts->type) | |
2116 | { | |
2117 | case BT_INTEGER: | |
35bf1214 | 2118 | arg2 = build_int_cst (integer_type_node, kind); |
8545af25 | 2119 | if (last_dt == READ) |
2120 | function = iocall[IOCALL_X_INTEGER]; | |
2121 | else | |
2122 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2123 | ||
4ee9c684 | 2124 | break; |
2125 | ||
2126 | case BT_REAL: | |
35bf1214 | 2127 | arg2 = build_int_cst (integer_type_node, kind); |
8545af25 | 2128 | if (last_dt == READ) |
87969c8c | 2129 | { |
2130 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2131 | function = iocall[IOCALL_X_REAL128]; | |
2132 | else | |
2133 | function = iocall[IOCALL_X_REAL]; | |
2134 | } | |
8545af25 | 2135 | else |
87969c8c | 2136 | { |
2137 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2138 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2139 | else | |
2140 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2141 | } | |
8545af25 | 2142 | |
4ee9c684 | 2143 | break; |
2144 | ||
2145 | case BT_COMPLEX: | |
35bf1214 | 2146 | arg2 = build_int_cst (integer_type_node, kind); |
8545af25 | 2147 | if (last_dt == READ) |
87969c8c | 2148 | { |
2149 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2150 | function = iocall[IOCALL_X_COMPLEX128]; | |
2151 | else | |
2152 | function = iocall[IOCALL_X_COMPLEX]; | |
2153 | } | |
8545af25 | 2154 | else |
87969c8c | 2155 | { |
2156 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2157 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2158 | else | |
2159 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2160 | } | |
8545af25 | 2161 | |
4ee9c684 | 2162 | break; |
2163 | ||
2164 | case BT_LOGICAL: | |
35bf1214 | 2165 | arg2 = build_int_cst (integer_type_node, kind); |
8545af25 | 2166 | if (last_dt == READ) |
2167 | function = iocall[IOCALL_X_LOGICAL]; | |
2168 | else | |
2169 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2170 | ||
4ee9c684 | 2171 | break; |
2172 | ||
2173 | case BT_CHARACTER: | |
dc01006d | 2174 | if (kind == 4) |
2175 | { | |
2176 | if (se->string_length) | |
2177 | arg2 = se->string_length; | |
2178 | else | |
2179 | { | |
389dd41b | 2180 | tmp = build_fold_indirect_ref_loc (input_location, |
2181 | addr_expr); | |
dc01006d | 2182 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2183 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2184 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2185 | } | |
35bf1214 | 2186 | arg3 = build_int_cst (integer_type_node, kind); |
8545af25 | 2187 | if (last_dt == READ) |
2188 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2189 | else | |
2190 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
4442e7ec | 2191 | |
86f2ad37 | 2192 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
389dd41b | 2193 | tmp = build_call_expr_loc (input_location, |
2194 | function, 4, tmp, addr_expr, arg2, arg3); | |
dc01006d | 2195 | gfc_add_expr_to_block (&se->pre, tmp); |
2196 | gfc_add_block_to_block (&se->pre, &se->post); | |
2197 | return; | |
2198 | } | |
293d72e0 | 2199 | /* Fall through. */ |
61807373 | 2200 | case BT_HOLLERITH: |
3273c361 | 2201 | if (se->string_length) |
2202 | arg2 = se->string_length; | |
2203 | else | |
2204 | { | |
389dd41b | 2205 | tmp = build_fold_indirect_ref_loc (input_location, |
2206 | addr_expr); | |
3273c361 | 2207 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2208 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2209 | } | |
8545af25 | 2210 | if (last_dt == READ) |
2211 | function = iocall[IOCALL_X_CHARACTER]; | |
2212 | else | |
2213 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2214 | ||
4ee9c684 | 2215 | break; |
2216 | ||
2217 | case BT_DERIVED: | |
d526ff88 | 2218 | if (ts->u.derived->components == NULL) |
2219 | return; | |
2220 | ||
3273c361 | 2221 | /* Recurse into the elements of the derived type. */ |
4ee9c684 | 2222 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
389dd41b | 2223 | expr = build_fold_indirect_ref_loc (input_location, |
2224 | expr); | |
4ee9c684 | 2225 | |
4442e7ec | 2226 | /* Make sure that the derived type has been built. An external |
2227 | function, if only referenced in an io statement, requires this | |
2228 | check (see PR58771). */ | |
2229 | if (ts->u.derived->backend_decl == NULL_TREE) | |
ca5cd38f | 2230 | (void) gfc_typenode_for_spec (ts); |
4442e7ec | 2231 | |
eeebe20b | 2232 | for (c = ts->u.derived->components; c; c = c->next) |
4ee9c684 | 2233 | { |
2234 | field = c->backend_decl; | |
22d678e8 | 2235 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
4ee9c684 | 2236 | |
389dd41b | 2237 | tmp = fold_build3_loc (UNKNOWN_LOCATION, |
2238 | COMPONENT_REF, TREE_TYPE (field), | |
f75d6b8a | 2239 | expr, field, NULL_TREE); |
4ee9c684 | 2240 | |
3be2b8d5 | 2241 | if (c->attr.dimension) |
3273c361 | 2242 | { |
92f4d1c4 | 2243 | tmp = transfer_array_component (tmp, c, & code->loc); |
3273c361 | 2244 | gfc_add_expr_to_block (&se->pre, tmp); |
2245 | } | |
2246 | else | |
2247 | { | |
3be2b8d5 | 2248 | if (!c->attr.pointer) |
86f2ad37 | 2249 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
e4eda3ec | 2250 | transfer_expr (se, &c->ts, tmp, code); |
3273c361 | 2251 | } |
4ee9c684 | 2252 | } |
2253 | return; | |
2254 | ||
2255 | default: | |
382ad5c3 | 2256 | gfc_internal_error ("Bad IO basetype (%d)", ts->type); |
4ee9c684 | 2257 | } |
2258 | ||
86f2ad37 | 2259 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
389dd41b | 2260 | tmp = build_call_expr_loc (input_location, |
2261 | function, 3, tmp, addr_expr, arg2); | |
4ee9c684 | 2262 | gfc_add_expr_to_block (&se->pre, tmp); |
2263 | gfc_add_block_to_block (&se->pre, &se->post); | |
6799e2f8 | 2264 | |
4ee9c684 | 2265 | } |
2266 | ||
2267 | ||
fd5a2518 | 2268 | /* Generate a call to pass an array descriptor to the IO library. The |
2269 | array should be of one of the intrinsic types. */ | |
2270 | ||
2271 | static void | |
2272 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2273 | { | |
8545af25 | 2274 | tree tmp, charlen_arg, kind_arg, io_call; |
fd5a2518 | 2275 | |
2276 | if (ts->type == BT_CHARACTER) | |
2277 | charlen_arg = se->string_length; | |
2278 | else | |
35bf1214 | 2279 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
fd5a2518 | 2280 | |
35bf1214 | 2281 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
4ea6d60e | 2282 | |
86f2ad37 | 2283 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
8545af25 | 2284 | if (last_dt == READ) |
2285 | io_call = iocall[IOCALL_X_ARRAY]; | |
2286 | else | |
2287 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2288 | ||
1108483a | 2289 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
8545af25 | 2290 | io_call, 4, |
c2f47e15 | 2291 | tmp, addr_expr, kind_arg, charlen_arg); |
fd5a2518 | 2292 | gfc_add_expr_to_block (&se->pre, tmp); |
2293 | gfc_add_block_to_block (&se->pre, &se->post); | |
2294 | } | |
2295 | ||
2296 | ||
4ee9c684 | 2297 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2298 | ||
2299 | tree | |
2300 | gfc_trans_transfer (gfc_code * code) | |
2301 | { | |
2302 | stmtblock_t block, body; | |
2303 | gfc_loopinfo loop; | |
2304 | gfc_expr *expr; | |
0b044e59 | 2305 | gfc_ref *ref; |
4ee9c684 | 2306 | gfc_ss *ss; |
2307 | gfc_se se; | |
2308 | tree tmp; | |
25d7376a | 2309 | int n; |
4ee9c684 | 2310 | |
2311 | gfc_start_block (&block); | |
fd5a2518 | 2312 | gfc_init_block (&body); |
4ee9c684 | 2313 | |
578d3f19 | 2314 | expr = code->expr1; |
0b044e59 | 2315 | ref = NULL; |
4ee9c684 | 2316 | gfc_init_se (&se, NULL); |
2317 | ||
5d34a30f | 2318 | if (expr->rank == 0) |
fd5a2518 | 2319 | { |
868213c7 | 2320 | /* Transfer a scalar value. */ |
fd5a2518 | 2321 | gfc_conv_expr_reference (&se, expr); |
e4eda3ec | 2322 | transfer_expr (&se, &expr->ts, se.expr, code); |
fd5a2518 | 2323 | } |
868213c7 | 2324 | else |
4ee9c684 | 2325 | { |
0b044e59 | 2326 | /* Transfer an array. If it is an array of an intrinsic |
2327 | type, pass the descriptor to the library. Otherwise | |
2328 | scalarize the transfer. */ | |
b3961d7b | 2329 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
0b044e59 | 2330 | { |
2331 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
d526ff88 | 2332 | ref = ref->next); |
2333 | gcc_assert (ref && ref->type == REF_ARRAY); | |
0b044e59 | 2334 | } |
2335 | ||
1033248c | 2336 | if (expr->ts.type != BT_DERIVED |
2337 | && ref && ref->next == NULL | |
2338 | && !is_subref_array (expr)) | |
868213c7 | 2339 | { |
25d7376a | 2340 | bool seen_vector = false; |
2341 | ||
2342 | if (ref && ref->u.ar.type == AR_SECTION) | |
2343 | { | |
2344 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2345 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
16e3c896 | 2346 | { |
2347 | seen_vector = true; | |
2348 | break; | |
2349 | } | |
25d7376a | 2350 | } |
2351 | ||
2352 | if (seen_vector && last_dt == READ) | |
2353 | { | |
2354 | /* Create a temp, read to that and copy it back. */ | |
3446c28b | 2355 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
25d7376a | 2356 | tmp = se.expr; |
2357 | } | |
2358 | else | |
2359 | { | |
2360 | /* Get the descriptor. */ | |
5d34a30f | 2361 | gfc_conv_expr_descriptor (&se, expr); |
86f2ad37 | 2362 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
25d7376a | 2363 | } |
2364 | ||
0b044e59 | 2365 | transfer_array_desc (&se, &expr->ts, tmp); |
2366 | goto finish_block_label; | |
868213c7 | 2367 | } |
5d34a30f | 2368 | |
4ee9c684 | 2369 | /* Initialize the scalarizer. */ |
5d34a30f | 2370 | ss = gfc_walk_expr (expr); |
4ee9c684 | 2371 | gfc_init_loopinfo (&loop); |
2372 | gfc_add_ss_to_loop (&loop, ss); | |
2373 | ||
2374 | /* Initialize the loop. */ | |
2375 | gfc_conv_ss_startstride (&loop); | |
578d3f19 | 2376 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
4ee9c684 | 2377 | |
2378 | /* The main loop body. */ | |
2379 | gfc_mark_ss_chain_used (ss, 1); | |
2380 | gfc_start_scalarized_body (&loop, &body); | |
2381 | ||
2382 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2383 | se.ss = ss; | |
4ee9c684 | 2384 | |
fd5a2518 | 2385 | gfc_conv_expr_reference (&se, expr); |
e4eda3ec | 2386 | transfer_expr (&se, &expr->ts, se.expr, code); |
fd5a2518 | 2387 | } |
868213c7 | 2388 | |
2389 | finish_block_label: | |
4ee9c684 | 2390 | |
2391 | gfc_add_block_to_block (&body, &se.pre); | |
2392 | gfc_add_block_to_block (&body, &se.post); | |
2393 | ||
2394 | if (se.ss == NULL) | |
2395 | tmp = gfc_finish_block (&body); | |
2396 | else | |
2397 | { | |
a4e45797 | 2398 | gcc_assert (expr->rank != 0); |
22d678e8 | 2399 | gcc_assert (se.ss == gfc_ss_terminator); |
4ee9c684 | 2400 | gfc_trans_scalarizing_loops (&loop, &body); |
2401 | ||
2402 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2403 | tmp = gfc_finish_block (&loop.pre); | |
2404 | gfc_cleanup_loop (&loop); | |
2405 | } | |
2406 | ||
2407 | gfc_add_expr_to_block (&block, tmp); | |
2408 | ||
3273c361 | 2409 | return gfc_finish_block (&block); |
4ee9c684 | 2410 | } |
2411 | ||
2412 | #include "gt-fortran-trans-io.h" |