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6de9cd9a | 1 | /* IO Code translation/library interface |
710a179f | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software |
bc0a33d3 | 3 | Foundation, Inc. |
6de9cd9a DN |
4 | Contributed by Paul Brook |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 2, or (at your option) any later | |
11 | version. | |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
9fc4d79b | 19 | along with GCC; see the file COPYING. If not, write to the Free |
ab57747b KC |
20 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
6de9cd9a DN |
22 | |
23 | ||
24 | #include "config.h" | |
25 | #include "system.h" | |
26 | #include "coretypes.h" | |
27 | #include "tree.h" | |
eadf906f | 28 | #include "tree-gimple.h" |
6de9cd9a DN |
29 | #include "ggc.h" |
30 | #include "toplev.h" | |
31 | #include "real.h" | |
6de9cd9a DN |
32 | #include "gfortran.h" |
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 | ||
6de9cd9a DN |
39 | /* Members of the ioparm structure. */ |
40 | ||
5e805e44 JJ |
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, | |
49 | IOPARM_ptype_num | |
50 | }; | |
51 | ||
52 | enum iofield_type | |
53 | { | |
54 | IOPARM_type_int4, | |
014ec6ee | 55 | IOPARM_type_intio, |
5e805e44 | 56 | IOPARM_type_pint4, |
014ec6ee | 57 | IOPARM_type_pintio, |
5e805e44 JJ |
58 | IOPARM_type_pchar, |
59 | IOPARM_type_parray, | |
60 | IOPARM_type_pad, | |
61 | IOPARM_type_char1, | |
62 | IOPARM_type_char2, | |
63 | IOPARM_type_common, | |
64 | IOPARM_type_num | |
65 | }; | |
66 | ||
67 | typedef struct gfc_st_parameter_field GTY(()) | |
68 | { | |
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; | |
6de9cd9a | 77 | |
5e805e44 JJ |
78 | typedef struct gfc_st_parameter GTY(()) |
79 | { | |
80 | const char *name; | |
81 | tree type; | |
82 | } | |
83 | gfc_st_parameter; | |
84 | ||
85 | enum iofield | |
86 | { | |
87 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
88 | #include "ioparm.def" | |
89 | #undef IOPARM | |
90 | IOPARM_field_num | |
91 | }; | |
92 | ||
93 | static GTY(()) gfc_st_parameter st_parameter[] = | |
94 | { | |
95 | { "common", NULL }, | |
96 | { "open", NULL }, | |
97 | { "close", NULL }, | |
98 | { "filepos", NULL }, | |
99 | { "inquire", NULL }, | |
100 | { "dt", NULL } | |
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 | |
109 | { NULL, 0, 0, 0, NULL, NULL } | |
110 | }; | |
6de9cd9a DN |
111 | |
112 | /* Library I/O subroutines */ | |
113 | ||
5e805e44 JJ |
114 | enum iocall |
115 | { | |
116 | IOCALL_READ, | |
117 | IOCALL_READ_DONE, | |
118 | IOCALL_WRITE, | |
119 | IOCALL_WRITE_DONE, | |
120 | IOCALL_X_INTEGER, | |
121 | IOCALL_X_LOGICAL, | |
122 | IOCALL_X_CHARACTER, | |
123 | IOCALL_X_REAL, | |
124 | IOCALL_X_COMPLEX, | |
125 | IOCALL_X_ARRAY, | |
126 | IOCALL_OPEN, | |
127 | IOCALL_CLOSE, | |
128 | IOCALL_INQUIRE, | |
129 | IOCALL_IOLENGTH, | |
130 | IOCALL_IOLENGTH_DONE, | |
131 | IOCALL_REWIND, | |
132 | IOCALL_BACKSPACE, | |
133 | IOCALL_ENDFILE, | |
134 | IOCALL_FLUSH, | |
135 | IOCALL_SET_NML_VAL, | |
136 | IOCALL_SET_NML_VAL_DIM, | |
137 | IOCALL_NUM | |
138 | }; | |
139 | ||
140 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
141 | |
142 | /* Variable for keeping track of what the last data transfer statement | |
143 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 144 | transfer is complete. */ |
8750f9cd | 145 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 146 | |
5e805e44 JJ |
147 | /* The data transfer parameter block that should be shared by all |
148 | data transfer calls belonging to the same read/write/iolength. */ | |
149 | static GTY(()) tree dt_parm; | |
150 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 151 | |
5e805e44 JJ |
152 | static void |
153 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
154 | { | |
155 | enum iofield type; | |
156 | gfc_st_parameter_field *p; | |
157 | char name[64]; | |
158 | size_t len; | |
159 | tree t = make_node (RECORD_TYPE); | |
160 | ||
161 | len = strlen (st_parameter[ptype].name); | |
162 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
163 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
164 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 165 | len + 1); |
5e805e44 JJ |
166 | TYPE_NAME (t) = get_identifier (name); |
167 | ||
168 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
169 | if (p->param_type == ptype) | |
170 | switch (p->type) | |
171 | { | |
172 | case IOPARM_type_int4: | |
014ec6ee | 173 | case IOPARM_type_intio: |
5e805e44 | 174 | case IOPARM_type_pint4: |
014ec6ee | 175 | case IOPARM_type_pintio: |
5e805e44 JJ |
176 | case IOPARM_type_parray: |
177 | case IOPARM_type_pchar: | |
178 | case IOPARM_type_pad: | |
179 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
180 | get_identifier (p->name), | |
181 | types[p->type]); | |
182 | break; | |
183 | case IOPARM_type_char1: | |
184 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
185 | get_identifier (p->name), | |
186 | pchar_type_node); | |
187 | /* FALLTHROUGH */ | |
188 | case IOPARM_type_char2: | |
189 | len = strlen (p->name); | |
190 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
191 | memcpy (name, p->name, len); | |
192 | memcpy (name + len, "_len", sizeof ("_len")); | |
193 | p->field_len = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
194 | get_identifier (name), | |
195 | gfc_charlen_type_node); | |
196 | if (p->type == IOPARM_type_char2) | |
197 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
198 | get_identifier (p->name), | |
199 | pchar_type_node); | |
200 | break; | |
201 | case IOPARM_type_common: | |
202 | p->field | |
203 | = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
204 | get_identifier (p->name), | |
205 | st_parameter[IOPARM_ptype_common].type); | |
206 | break; | |
207 | case IOPARM_type_num: | |
208 | gcc_unreachable (); | |
209 | } | |
6de9cd9a | 210 | |
5e805e44 JJ |
211 | gfc_finish_type (t); |
212 | st_parameter[ptype].type = t; | |
213 | } | |
6de9cd9a | 214 | |
f96d606f JD |
215 | |
216 | /* Build code to test an error condition and call generate_error if needed. | |
217 | Note: This builds calls to generate_error in the runtime library function. | |
218 | The function generate_error is dependent on certain parameters in the | |
219 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
220 | Therefore, the code to set these flags must be generated before | |
221 | this function is used. */ | |
222 | ||
223 | void | |
224 | gfc_trans_io_runtime_check (tree cond, tree var, int error_code, | |
225 | const char * msgid, stmtblock_t * pblock) | |
226 | { | |
227 | stmtblock_t block; | |
228 | tree body; | |
229 | tree tmp; | |
230 | tree arg1, arg2, arg3; | |
231 | char *message; | |
232 | ||
233 | if (integer_zerop (cond)) | |
234 | return; | |
235 | ||
236 | /* The code to generate the error. */ | |
237 | gfc_start_block (&block); | |
238 | ||
239 | arg1 = build_fold_addr_expr (var); | |
240 | ||
241 | arg2 = build_int_cst (integer_type_node, error_code), | |
242 | ||
243 | asprintf (&message, "%s", _(msgid)); | |
244 | arg3 = gfc_build_addr_expr (pchar_type_node, gfc_build_cstring_const(message)); | |
245 | gfc_free(message); | |
246 | ||
247 | tmp = build_call_expr (gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
248 | ||
249 | gfc_add_expr_to_block (&block, tmp); | |
250 | ||
251 | body = gfc_finish_block (&block); | |
252 | ||
253 | if (integer_onep (cond)) | |
254 | { | |
255 | gfc_add_expr_to_block (pblock, body); | |
256 | } | |
257 | else | |
258 | { | |
259 | /* Tell the compiler that this isn't likely. */ | |
260 | cond = fold_convert (long_integer_type_node, cond); | |
261 | tmp = build_int_cst (long_integer_type_node, 0); | |
262 | cond = build_call_expr (built_in_decls[BUILT_IN_EXPECT], 2, cond, tmp); | |
263 | cond = fold_convert (boolean_type_node, cond); | |
264 | ||
265 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt ()); | |
266 | gfc_add_expr_to_block (pblock, tmp); | |
267 | } | |
268 | } | |
269 | ||
270 | ||
6de9cd9a DN |
271 | /* Create function decls for IO library functions. */ |
272 | ||
273 | void | |
274 | gfc_build_io_library_fndecls (void) | |
275 | { | |
5e805e44 | 276 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 277 | tree gfc_intio_type_node; |
5e805e44 | 278 | tree parm_type, dt_parm_type; |
5e805e44 JJ |
279 | HOST_WIDE_INT pad_size; |
280 | enum ioparam_type ptype; | |
281 | ||
282 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
283 | types[IOPARM_type_intio] = gfc_intio_type_node |
284 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 285 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
286 | types[IOPARM_type_pintio] |
287 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
288 | types[IOPARM_type_parray] = pchar_type_node; |
289 | types[IOPARM_type_pchar] = pchar_type_node; | |
290 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); | |
291 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); | |
292 | pad_idx = build_index_type (build_int_cst (NULL_TREE, pad_size)); | |
293 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); | |
7ae99337 SE |
294 | |
295 | /* pad actually contains pointers and integers so it needs to have an | |
296 | alignment that is at least as large as the needed alignment for those | |
297 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
298 | what really goes into this space. */ | |
299 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
300 | TYPE_ALIGN (gfc_get_int_type (gfc_max_integer_kind))); | |
301 | ||
5e805e44 JJ |
302 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
303 | gfc_build_st_parameter (ptype, types); | |
6de9cd9a DN |
304 | |
305 | /* Define the transfer functions. */ | |
306 | ||
5e805e44 JJ |
307 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
308 | ||
309 | iocall[IOCALL_X_INTEGER] = | |
6de9cd9a DN |
310 | gfc_build_library_function_decl (get_identifier |
311 | (PREFIX("transfer_integer")), | |
5e805e44 JJ |
312 | void_type_node, 3, dt_parm_type, |
313 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 314 | |
5e805e44 | 315 | iocall[IOCALL_X_LOGICAL] = |
6de9cd9a DN |
316 | gfc_build_library_function_decl (get_identifier |
317 | (PREFIX("transfer_logical")), | |
5e805e44 JJ |
318 | void_type_node, 3, dt_parm_type, |
319 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 320 | |
5e805e44 | 321 | iocall[IOCALL_X_CHARACTER] = |
6de9cd9a DN |
322 | gfc_build_library_function_decl (get_identifier |
323 | (PREFIX("transfer_character")), | |
5e805e44 JJ |
324 | void_type_node, 3, dt_parm_type, |
325 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 326 | |
5e805e44 | 327 | iocall[IOCALL_X_REAL] = |
6de9cd9a | 328 | gfc_build_library_function_decl (get_identifier (PREFIX("transfer_real")), |
5e805e44 | 329 | void_type_node, 3, dt_parm_type, |
6de9cd9a DN |
330 | pvoid_type_node, gfc_int4_type_node); |
331 | ||
5e805e44 | 332 | iocall[IOCALL_X_COMPLEX] = |
6de9cd9a DN |
333 | gfc_build_library_function_decl (get_identifier |
334 | (PREFIX("transfer_complex")), | |
5e805e44 JJ |
335 | void_type_node, 3, dt_parm_type, |
336 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 337 | |
5e805e44 | 338 | iocall[IOCALL_X_ARRAY] = |
18623fae JB |
339 | gfc_build_library_function_decl (get_identifier |
340 | (PREFIX("transfer_array")), | |
5e805e44 | 341 | void_type_node, 4, dt_parm_type, |
dd52ecb0 | 342 | pvoid_type_node, integer_type_node, |
18623fae JB |
343 | gfc_charlen_type_node); |
344 | ||
6de9cd9a DN |
345 | /* Library entry points */ |
346 | ||
5e805e44 | 347 | iocall[IOCALL_READ] = |
6de9cd9a | 348 | gfc_build_library_function_decl (get_identifier (PREFIX("st_read")), |
5e805e44 | 349 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 350 | |
5e805e44 | 351 | iocall[IOCALL_WRITE] = |
6de9cd9a | 352 | gfc_build_library_function_decl (get_identifier (PREFIX("st_write")), |
5e805e44 JJ |
353 | void_type_node, 1, dt_parm_type); |
354 | ||
355 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
356 | iocall[IOCALL_OPEN] = | |
6de9cd9a | 357 | gfc_build_library_function_decl (get_identifier (PREFIX("st_open")), |
5e805e44 | 358 | void_type_node, 1, parm_type); |
6de9cd9a | 359 | |
5e805e44 JJ |
360 | |
361 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
362 | iocall[IOCALL_CLOSE] = | |
6de9cd9a | 363 | gfc_build_library_function_decl (get_identifier (PREFIX("st_close")), |
5e805e44 | 364 | void_type_node, 1, parm_type); |
6de9cd9a | 365 | |
5e805e44 JJ |
366 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
367 | iocall[IOCALL_INQUIRE] = | |
6de9cd9a | 368 | gfc_build_library_function_decl (get_identifier (PREFIX("st_inquire")), |
5e805e44 | 369 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 370 | |
5e805e44 | 371 | iocall[IOCALL_IOLENGTH] = |
8750f9cd | 372 | gfc_build_library_function_decl(get_identifier (PREFIX("st_iolength")), |
5e805e44 | 373 | void_type_node, 1, dt_parm_type); |
8750f9cd | 374 | |
5e805e44 JJ |
375 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
376 | iocall[IOCALL_REWIND] = | |
6de9cd9a | 377 | gfc_build_library_function_decl (get_identifier (PREFIX("st_rewind")), |
5e805e44 | 378 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 379 | |
5e805e44 | 380 | iocall[IOCALL_BACKSPACE] = |
6de9cd9a | 381 | gfc_build_library_function_decl (get_identifier (PREFIX("st_backspace")), |
5e805e44 | 382 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 383 | |
5e805e44 | 384 | iocall[IOCALL_ENDFILE] = |
6de9cd9a | 385 | gfc_build_library_function_decl (get_identifier (PREFIX("st_endfile")), |
5e805e44 | 386 | gfc_int4_type_node, 1, parm_type); |
6403ec5f | 387 | |
5e805e44 | 388 | iocall[IOCALL_FLUSH] = |
6403ec5f | 389 | gfc_build_library_function_decl (get_identifier (PREFIX("st_flush")), |
5e805e44 | 390 | gfc_int4_type_node, 1, parm_type); |
6403ec5f | 391 | |
6de9cd9a DN |
392 | /* Library helpers */ |
393 | ||
5e805e44 | 394 | iocall[IOCALL_READ_DONE] = |
6de9cd9a | 395 | gfc_build_library_function_decl (get_identifier (PREFIX("st_read_done")), |
5e805e44 | 396 | gfc_int4_type_node, 1, dt_parm_type); |
6de9cd9a | 397 | |
5e805e44 | 398 | iocall[IOCALL_WRITE_DONE] = |
6de9cd9a | 399 | gfc_build_library_function_decl (get_identifier (PREFIX("st_write_done")), |
5e805e44 | 400 | gfc_int4_type_node, 1, dt_parm_type); |
8750f9cd | 401 | |
5e805e44 | 402 | iocall[IOCALL_IOLENGTH_DONE] = |
8750f9cd | 403 | gfc_build_library_function_decl (get_identifier (PREFIX("st_iolength_done")), |
5e805e44 | 404 | gfc_int4_type_node, 1, dt_parm_type); |
8750f9cd | 405 | |
6de9cd9a | 406 | |
5e805e44 | 407 | iocall[IOCALL_SET_NML_VAL] = |
29dc5138 | 408 | gfc_build_library_function_decl (get_identifier (PREFIX("st_set_nml_var")), |
5e805e44 JJ |
409 | void_type_node, 6, dt_parm_type, |
410 | pvoid_type_node, pvoid_type_node, | |
411 | gfc_int4_type_node, gfc_charlen_type_node, | |
29dc5138 | 412 | gfc_int4_type_node); |
6de9cd9a | 413 | |
5e805e44 | 414 | iocall[IOCALL_SET_NML_VAL_DIM] = |
29dc5138 | 415 | gfc_build_library_function_decl (get_identifier (PREFIX("st_set_nml_var_dim")), |
5e805e44 | 416 | void_type_node, 5, dt_parm_type, |
6520ecac JB |
417 | gfc_int4_type_node, gfc_array_index_type, |
418 | gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
419 | } |
420 | ||
421 | ||
5e805e44 JJ |
422 | /* Generate code to store an integer constant into the |
423 | st_parameter_XXX structure. */ | |
424 | ||
425 | static unsigned int | |
426 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
427 | unsigned int val) | |
428 | { | |
429 | tree tmp; | |
430 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
431 | ||
432 | if (p->param_type == IOPARM_ptype_common) | |
433 | var = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, | |
434 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
435 | tmp = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
436 | NULL_TREE); | |
437 | gfc_add_modify_expr (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); | |
438 | return p->mask; | |
439 | } | |
440 | ||
441 | ||
49de9e73 | 442 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 443 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 444 | |
5e805e44 JJ |
445 | static unsigned int |
446 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, | |
447 | gfc_expr *e) | |
6de9cd9a DN |
448 | { |
449 | gfc_se se; | |
450 | tree tmp; | |
5e805e44 | 451 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 452 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
453 | |
454 | gfc_init_se (&se, NULL); | |
f96d606f JD |
455 | gfc_conv_expr_val (&se, e); |
456 | ||
457 | /* If we're storing a UNIT number, we need to check it first. */ | |
458 | if (type == IOPARM_common_unit && e->ts.kind != 4) | |
459 | { | |
460 | tree cond, max; | |
461 | ioerror_codes bad_unit; | |
462 | int i; | |
463 | ||
464 | bad_unit = IOERROR_BAD_UNIT; | |
465 | ||
466 | /* Don't evaluate the UNIT number multiple times. */ | |
467 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
468 | ||
469 | /* UNIT numbers should be nonnegative. */ | |
470 | cond = fold_build2 (LT_EXPR, boolean_type_node, se.expr, | |
471 | build_int_cst (TREE_TYPE (se.expr),0)); | |
472 | gfc_trans_io_runtime_check (cond, var, bad_unit, | |
473 | "Negative unit number in I/O statement", | |
474 | &se.pre); | |
475 | ||
476 | /* UNIT numbers should be less than the max. */ | |
477 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
478 | max = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); | |
479 | cond = fold_build2 (GT_EXPR, boolean_type_node, se.expr, | |
480 | fold_convert (TREE_TYPE (se.expr), max)); | |
481 | gfc_trans_io_runtime_check (cond, var, bad_unit, | |
482 | "Unit number in I/O statement too large", | |
483 | &se.pre); | |
484 | ||
485 | } | |
486 | ||
487 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
488 | gfc_add_block_to_block (block, &se.pre); |
489 | ||
5e805e44 JJ |
490 | if (p->param_type == IOPARM_ptype_common) |
491 | var = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, | |
492 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f JD |
493 | |
494 | tmp = build3 (COMPONENT_REF, dest_type, var, p->field, NULL_TREE); | |
6de9cd9a | 495 | gfc_add_modify_expr (block, tmp, se.expr); |
5e805e44 | 496 | return p->mask; |
6de9cd9a DN |
497 | } |
498 | ||
499 | ||
49de9e73 | 500 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 501 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 502 | |
5e805e44 JJ |
503 | static unsigned int |
504 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
505 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
506 | { |
507 | gfc_se se; | |
5e805e44 JJ |
508 | tree tmp, addr; |
509 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 510 | |
5e805e44 | 511 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 512 | gfc_init_se (&se, NULL); |
5e805e44 | 513 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 514 | |
6de9cd9a DN |
515 | gfc_add_block_to_block (block, &se.pre); |
516 | ||
5e805e44 JJ |
517 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
518 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f JD |
519 | { |
520 | addr = convert (TREE_TYPE (p->field), build_fold_addr_expr (se.expr)); | |
521 | ||
522 | /* If this is for the iostat variable initialize the | |
523 | user variable to IOERROR_OK which is zero. */ | |
524 | if (type == IOPARM_common_iostat) | |
525 | { | |
526 | ioerror_codes ok; | |
527 | ok = IOERROR_OK; | |
528 | gfc_add_modify_expr (block, se.expr, | |
529 | build_int_cst (TREE_TYPE (se.expr), ok)); | |
530 | } | |
531 | } | |
5e805e44 JJ |
532 | else |
533 | { | |
534 | /* The type used by the library has different size | |
f96d606f JD |
535 | from the type of the variable supplied by the user. |
536 | Need to use a temporary. */ | |
537 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
538 | st_parameter_field[type].name); | |
539 | ||
540 | /* If this is for the iostat variable, initialize the | |
541 | user variable to IOERROR_OK which is zero. */ | |
542 | if (type == IOPARM_common_iostat) | |
543 | { | |
544 | ioerror_codes ok; | |
545 | ok = IOERROR_OK; | |
546 | gfc_add_modify_expr (block, tmpvar, | |
547 | build_int_cst (TREE_TYPE (tmpvar), ok)); | |
548 | } | |
549 | ||
488ce07b | 550 | addr = build_fold_addr_expr (tmpvar); |
f96d606f | 551 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 JJ |
552 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
553 | gfc_add_modify_expr (postblock, se.expr, tmp); | |
f96d606f | 554 | } |
5e805e44 JJ |
555 | |
556 | if (p->param_type == IOPARM_ptype_common) | |
557 | var = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, | |
558 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
559 | tmp = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
560 | NULL_TREE); | |
561 | gfc_add_modify_expr (block, tmp, addr); | |
562 | return p->mask; | |
6de9cd9a DN |
563 | } |
564 | ||
d3642f89 FW |
565 | /* Given an array expr, find its address and length to get a string. If the |
566 | array is full, the string's address is the address of array's first element | |
567 | and the length is the size of the whole array. If it is an element, the | |
568 | string's address is the element's address and the length is the rest size of | |
569 | the array. | |
570 | */ | |
571 | ||
572 | static void | |
573 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
574 | { | |
575 | tree tmp; | |
576 | tree array; | |
577 | tree type; | |
578 | tree size; | |
579 | int rank; | |
580 | gfc_symbol *sym; | |
581 | ||
582 | sym = e->symtree->n.sym; | |
583 | rank = sym->as->rank - 1; | |
584 | ||
585 | if (e->ref->u.ar.type == AR_FULL) | |
586 | { | |
587 | se->expr = gfc_get_symbol_decl (sym); | |
588 | se->expr = gfc_conv_array_data (se->expr); | |
589 | } | |
590 | else | |
591 | { | |
592 | gfc_conv_expr (se, e); | |
593 | } | |
594 | ||
595 | array = sym->backend_decl; | |
596 | type = TREE_TYPE (array); | |
597 | ||
598 | if (GFC_ARRAY_TYPE_P (type)) | |
599 | size = GFC_TYPE_ARRAY_SIZE (type); | |
600 | else | |
601 | { | |
602 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
603 | size = gfc_conv_array_stride (array, rank); | |
604 | tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, | |
605 | gfc_conv_array_ubound (array, rank), | |
606 | gfc_conv_array_lbound (array, rank)); | |
607 | tmp = fold_build2 (PLUS_EXPR, gfc_array_index_type, tmp, | |
608 | gfc_index_one_node); | |
609 | size = fold_build2 (MULT_EXPR, gfc_array_index_type, tmp, size); | |
610 | } | |
611 | ||
612 | gcc_assert (size); | |
613 | ||
614 | /* If it is an element, we need the its address and size of the rest. */ | |
615 | if (e->ref->u.ar.type == AR_ELEMENT) | |
616 | { | |
617 | size = fold_build2 (MINUS_EXPR, gfc_array_index_type, size, | |
618 | TREE_OPERAND (se->expr, 1)); | |
488ce07b | 619 | se->expr = build_fold_addr_expr (se->expr); |
d3642f89 FW |
620 | } |
621 | ||
622 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); | |
553b66ad RG |
623 | size = fold_build2 (MULT_EXPR, gfc_array_index_type, size, |
624 | fold_convert (gfc_array_index_type, tmp)); | |
d3642f89 FW |
625 | |
626 | se->string_length = fold_convert (gfc_charlen_type_node, size); | |
627 | } | |
6de9cd9a | 628 | |
109b0ac2 | 629 | |
6de9cd9a | 630 | /* Generate code to store a string and its length into the |
5e805e44 | 631 | st_parameter_XXX structure. */ |
6de9cd9a | 632 | |
5e805e44 | 633 | static unsigned int |
6de9cd9a | 634 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 635 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
636 | { |
637 | gfc_se se; | |
638 | tree tmp; | |
6de9cd9a DN |
639 | tree io; |
640 | tree len; | |
5e805e44 | 641 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
642 | |
643 | gfc_init_se (&se, NULL); | |
6de9cd9a | 644 | |
5e805e44 JJ |
645 | if (p->param_type == IOPARM_ptype_common) |
646 | var = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, | |
647 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
648 | io = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
649 | NULL_TREE); | |
650 | len = build3 (COMPONENT_REF, TREE_TYPE (p->field_len), var, p->field_len, | |
923ab88c | 651 | NULL_TREE); |
6de9cd9a | 652 | |
7ab92584 | 653 | /* Integer variable assigned a format label. */ |
6de9cd9a DN |
654 | if (e->ts.type == BT_INTEGER && e->symtree->n.sym->attr.assign == 1) |
655 | { | |
dd18a33b FXC |
656 | char * msg; |
657 | ||
ce2df7c6 | 658 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 659 | tmp = GFC_DECL_STRING_LEN (se.expr); |
a01de5ec RS |
660 | tmp = fold_build2 (LT_EXPR, boolean_type_node, |
661 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b FXC |
662 | |
663 | asprintf(&msg, "Label assigned to variable '%s' is not a format label", | |
664 | e->symtree->name); | |
665 | gfc_trans_runtime_check (tmp, msg, &se.pre, &e->where); | |
666 | gfc_free (msg); | |
667 | ||
b078dfbf FW |
668 | gfc_add_modify_expr (&se.pre, io, |
669 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); | |
6de9cd9a DN |
670 | gfc_add_modify_expr (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
671 | } | |
672 | else | |
673 | { | |
d3642f89 FW |
674 | /* General character. */ |
675 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
676 | gfc_conv_expr (&se, e); | |
677 | /* Array assigned Hollerith constant or character array. */ | |
678 | else if (e->symtree && (e->symtree->n.sym->as->rank > 0)) | |
679 | gfc_convert_array_to_string (&se, e); | |
680 | else | |
681 | gcc_unreachable (); | |
682 | ||
6de9cd9a | 683 | gfc_conv_string_parameter (&se); |
7ab92584 | 684 | gfc_add_modify_expr (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
6de9cd9a DN |
685 | gfc_add_modify_expr (&se.pre, len, se.string_length); |
686 | } | |
687 | ||
688 | gfc_add_block_to_block (block, &se.pre); | |
689 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 690 | return p->mask; |
6de9cd9a DN |
691 | } |
692 | ||
693 | ||
109b0ac2 PT |
694 | /* Generate code to store the character (array) and the character length |
695 | for an internal unit. */ | |
696 | ||
5e805e44 | 697 | static unsigned int |
d4feb3d3 PT |
698 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
699 | tree var, gfc_expr * e) | |
109b0ac2 PT |
700 | { |
701 | gfc_se se; | |
702 | tree io; | |
703 | tree len; | |
704 | tree desc; | |
705 | tree tmp; | |
5e805e44 JJ |
706 | gfc_st_parameter_field *p; |
707 | unsigned int mask; | |
109b0ac2 PT |
708 | |
709 | gfc_init_se (&se, NULL); | |
710 | ||
5e805e44 JJ |
711 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
712 | mask = p->mask; | |
713 | io = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
714 | NULL_TREE); | |
715 | len = build3 (COMPONENT_REF, TREE_TYPE (p->field_len), var, p->field_len, | |
109b0ac2 | 716 | NULL_TREE); |
5e805e44 JJ |
717 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
718 | desc = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
109b0ac2 PT |
719 | NULL_TREE); |
720 | ||
721 | gcc_assert (e->ts.type == BT_CHARACTER); | |
722 | ||
723 | /* Character scalars. */ | |
724 | if (e->rank == 0) | |
725 | { | |
726 | gfc_conv_expr (&se, e); | |
727 | gfc_conv_string_parameter (&se); | |
728 | tmp = se.expr; | |
c3238e32 | 729 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
730 | } |
731 | ||
732 | /* Character array. */ | |
64db4d29 | 733 | else if (e->rank > 0) |
109b0ac2 PT |
734 | { |
735 | se.ss = gfc_walk_expr (e); | |
736 | ||
d4feb3d3 PT |
737 | if (is_aliased_array (e)) |
738 | { | |
739 | /* Use a temporary for components of arrays of derived types | |
740 | or substring array references. */ | |
741 | gfc_conv_aliased_arg (&se, e, 0, | |
742 | last_dt == READ ? INTENT_IN : INTENT_OUT); | |
743 | tmp = build_fold_indirect_ref (se.expr); | |
744 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); | |
745 | tmp = gfc_conv_descriptor_data_get (tmp); | |
746 | } | |
747 | else | |
748 | { | |
749 | /* Return the data pointer and rank from the descriptor. */ | |
750 | gfc_conv_expr_descriptor (&se, e, se.ss); | |
751 | tmp = gfc_conv_descriptor_data_get (se.expr); | |
752 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
753 | } | |
109b0ac2 PT |
754 | } |
755 | else | |
756 | gcc_unreachable (); | |
757 | ||
758 | /* The cast is needed for character substrings and the descriptor | |
759 | data. */ | |
760 | gfc_add_modify_expr (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); | |
d4feb3d3 PT |
761 | gfc_add_modify_expr (&se.pre, len, |
762 | fold_convert (TREE_TYPE (len), se.string_length)); | |
109b0ac2 PT |
763 | gfc_add_modify_expr (&se.pre, desc, se.expr); |
764 | ||
765 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 766 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 767 | return mask; |
109b0ac2 PT |
768 | } |
769 | ||
6de9cd9a DN |
770 | /* Add a case to a IO-result switch. */ |
771 | ||
772 | static void | |
773 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
774 | { | |
775 | tree tmp, value; | |
776 | ||
777 | if (label == NULL) | |
778 | return; /* No label, no case */ | |
779 | ||
7d60be94 | 780 | value = build_int_cst (NULL_TREE, label_value); |
6de9cd9a DN |
781 | |
782 | /* Make a backend label for this case. */ | |
c006df4e | 783 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
784 | |
785 | /* And the case itself. */ | |
923ab88c | 786 | tmp = build3_v (CASE_LABEL_EXPR, value, NULL_TREE, tmp); |
6de9cd9a DN |
787 | gfc_add_expr_to_block (body, tmp); |
788 | ||
789 | /* Jump to the label. */ | |
790 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
791 | gfc_add_expr_to_block (body, tmp); | |
792 | } | |
793 | ||
794 | ||
795 | /* Generate a switch statement that branches to the correct I/O | |
796 | result label. The last statement of an I/O call stores the | |
797 | result into a variable because there is often cleanup that | |
798 | must be done before the switch, so a temporary would have to | |
799 | be created anyway. */ | |
800 | ||
801 | static void | |
5e805e44 | 802 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
803 | gfc_st_label * end_label, gfc_st_label * eor_label) |
804 | { | |
805 | stmtblock_t body; | |
806 | tree tmp, rc; | |
5e805e44 | 807 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
808 | |
809 | /* If no labels are specified, ignore the result instead | |
810 | of building an empty switch. */ | |
811 | if (err_label == NULL | |
812 | && end_label == NULL | |
813 | && eor_label == NULL) | |
814 | return; | |
815 | ||
816 | /* Build a switch statement. */ | |
817 | gfc_start_block (&body); | |
818 | ||
819 | /* The label values here must be the same as the values | |
820 | in the library_return enum in the runtime library */ | |
821 | add_case (1, err_label, &body); | |
822 | add_case (2, end_label, &body); | |
823 | add_case (3, eor_label, &body); | |
824 | ||
825 | tmp = gfc_finish_block (&body); | |
826 | ||
5e805e44 JJ |
827 | var = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
828 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
829 | rc = build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
830 | NULL_TREE); | |
831 | rc = build2 (BIT_AND_EXPR, TREE_TYPE (rc), rc, | |
832 | build_int_cst (TREE_TYPE (rc), IOPARM_common_libreturn_mask)); | |
6de9cd9a | 833 | |
923ab88c | 834 | tmp = build3_v (SWITCH_EXPR, rc, tmp, NULL_TREE); |
6de9cd9a DN |
835 | |
836 | gfc_add_expr_to_block (block, tmp); | |
837 | } | |
838 | ||
839 | ||
840 | /* Store the current file and line number to variables so that if a | |
841 | library call goes awry, we can tell the user where the problem is. */ | |
842 | ||
843 | static void | |
5e805e44 | 844 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
845 | { |
846 | gfc_file *f; | |
5e805e44 | 847 | tree str, locus_file; |
6de9cd9a | 848 | int line; |
5e805e44 | 849 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 850 | |
5e805e44 JJ |
851 | locus_file = build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
852 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
853 | locus_file = build3 (COMPONENT_REF, TREE_TYPE (p->field), locus_file, | |
854 | p->field, NULL_TREE); | |
d4fa05b9 | 855 | f = where->lb->file; |
5e805e44 | 856 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 857 | |
5e805e44 JJ |
858 | str = gfc_build_addr_expr (pchar_type_node, str); |
859 | gfc_add_modify_expr (block, locus_file, str); | |
6de9cd9a | 860 | |
c8cc8542 PB |
861 | #ifdef USE_MAPPED_LOCATION |
862 | line = LOCATION_LINE (where->lb->location); | |
863 | #else | |
d4fa05b9 | 864 | line = where->lb->linenum; |
c8cc8542 | 865 | #endif |
5e805e44 | 866 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
867 | } |
868 | ||
869 | ||
870 | /* Translate an OPEN statement. */ | |
871 | ||
872 | tree | |
873 | gfc_trans_open (gfc_code * code) | |
874 | { | |
875 | stmtblock_t block, post_block; | |
876 | gfc_open *p; | |
5e805e44 JJ |
877 | tree tmp, var; |
878 | unsigned int mask = 0; | |
6de9cd9a | 879 | |
5e805e44 | 880 | gfc_start_block (&block); |
6de9cd9a DN |
881 | gfc_init_block (&post_block); |
882 | ||
5e805e44 JJ |
883 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
884 | ||
885 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
886 | p = code->ext.open; |
887 | ||
f96d606f JD |
888 | if (p->iomsg) |
889 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
890 | p->iomsg); | |
891 | ||
892 | if (p->iostat) | |
893 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
894 | p->iostat); | |
895 | ||
896 | if (p->err) | |
897 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
898 | |
899 | if (p->file) | |
5e805e44 | 900 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
901 | |
902 | if (p->status) | |
5e805e44 JJ |
903 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
904 | p->status); | |
6de9cd9a DN |
905 | |
906 | if (p->access) | |
5e805e44 JJ |
907 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
908 | p->access); | |
6de9cd9a DN |
909 | |
910 | if (p->form) | |
5e805e44 | 911 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
912 | |
913 | if (p->recl) | |
5e805e44 | 914 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, p->recl); |
6de9cd9a DN |
915 | |
916 | if (p->blank) | |
5e805e44 JJ |
917 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
918 | p->blank); | |
6de9cd9a DN |
919 | |
920 | if (p->position) | |
5e805e44 JJ |
921 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
922 | p->position); | |
6de9cd9a DN |
923 | |
924 | if (p->action) | |
5e805e44 JJ |
925 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
926 | p->action); | |
6de9cd9a DN |
927 | |
928 | if (p->delim) | |
5e805e44 JJ |
929 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
930 | p->delim); | |
6de9cd9a DN |
931 | |
932 | if (p->pad) | |
5e805e44 | 933 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 934 | |
181c9f4a TK |
935 | if (p->convert) |
936 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
937 | p->convert); | |
938 | ||
5e805e44 JJ |
939 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
940 | ||
f96d606f JD |
941 | if (p->unit) |
942 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
943 | else | |
944 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
945 | ||
488ce07b | 946 | tmp = build_fold_addr_expr (var); |
5039610b | 947 | tmp = build_call_expr (iocall[IOCALL_OPEN], 1, tmp); |
6de9cd9a DN |
948 | gfc_add_expr_to_block (&block, tmp); |
949 | ||
950 | gfc_add_block_to_block (&block, &post_block); | |
951 | ||
5e805e44 | 952 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
953 | |
954 | return gfc_finish_block (&block); | |
955 | } | |
956 | ||
957 | ||
958 | /* Translate a CLOSE statement. */ | |
959 | ||
960 | tree | |
961 | gfc_trans_close (gfc_code * code) | |
962 | { | |
963 | stmtblock_t block, post_block; | |
964 | gfc_close *p; | |
5e805e44 JJ |
965 | tree tmp, var; |
966 | unsigned int mask = 0; | |
6de9cd9a | 967 | |
5e805e44 | 968 | gfc_start_block (&block); |
6de9cd9a DN |
969 | gfc_init_block (&post_block); |
970 | ||
5e805e44 JJ |
971 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
972 | ||
973 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
974 | p = code->ext.close; |
975 | ||
7aba8abe | 976 | if (p->iomsg) |
5e805e44 JJ |
977 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
978 | p->iomsg); | |
7aba8abe | 979 | |
6de9cd9a | 980 | if (p->iostat) |
5e805e44 JJ |
981 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
982 | p->iostat); | |
6de9cd9a DN |
983 | |
984 | if (p->err) | |
5e805e44 JJ |
985 | mask |= IOPARM_common_err; |
986 | ||
f96d606f JD |
987 | if (p->status) |
988 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
989 | p->status); | |
990 | ||
5e805e44 | 991 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 992 | |
f96d606f JD |
993 | if (p->unit) |
994 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
995 | else | |
996 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
997 | ||
488ce07b | 998 | tmp = build_fold_addr_expr (var); |
5039610b | 999 | tmp = build_call_expr (iocall[IOCALL_CLOSE], 1, tmp); |
6de9cd9a DN |
1000 | gfc_add_expr_to_block (&block, tmp); |
1001 | ||
1002 | gfc_add_block_to_block (&block, &post_block); | |
1003 | ||
5e805e44 | 1004 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1005 | |
1006 | return gfc_finish_block (&block); | |
1007 | } | |
1008 | ||
1009 | ||
1010 | /* Common subroutine for building a file positioning statement. */ | |
1011 | ||
1012 | static tree | |
1013 | build_filepos (tree function, gfc_code * code) | |
1014 | { | |
7aba8abe | 1015 | stmtblock_t block, post_block; |
6de9cd9a | 1016 | gfc_filepos *p; |
5e805e44 JJ |
1017 | tree tmp, var; |
1018 | unsigned int mask = 0; | |
6de9cd9a DN |
1019 | |
1020 | p = code->ext.filepos; | |
1021 | ||
5e805e44 | 1022 | gfc_start_block (&block); |
7aba8abe | 1023 | gfc_init_block (&post_block); |
6de9cd9a | 1024 | |
5e805e44 JJ |
1025 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1026 | "filepos_parm"); | |
1027 | ||
1028 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1029 | |
7aba8abe | 1030 | if (p->iomsg) |
5e805e44 JJ |
1031 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1032 | p->iomsg); | |
7aba8abe | 1033 | |
6de9cd9a | 1034 | if (p->iostat) |
5e805e44 JJ |
1035 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1036 | p->iostat); | |
6de9cd9a DN |
1037 | |
1038 | if (p->err) | |
5e805e44 JJ |
1039 | mask |= IOPARM_common_err; |
1040 | ||
1041 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1042 | |
f96d606f JD |
1043 | if (p->unit) |
1044 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1045 | else | |
1046 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1047 | ||
488ce07b | 1048 | tmp = build_fold_addr_expr (var); |
5039610b | 1049 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a DN |
1050 | gfc_add_expr_to_block (&block, tmp); |
1051 | ||
7aba8abe TK |
1052 | gfc_add_block_to_block (&block, &post_block); |
1053 | ||
5e805e44 | 1054 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1055 | |
1056 | return gfc_finish_block (&block); | |
1057 | } | |
1058 | ||
1059 | ||
1060 | /* Translate a BACKSPACE statement. */ | |
1061 | ||
1062 | tree | |
1063 | gfc_trans_backspace (gfc_code * code) | |
1064 | { | |
5e805e44 | 1065 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1066 | } |
1067 | ||
1068 | ||
1069 | /* Translate an ENDFILE statement. */ | |
1070 | ||
1071 | tree | |
1072 | gfc_trans_endfile (gfc_code * code) | |
1073 | { | |
5e805e44 | 1074 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1075 | } |
1076 | ||
1077 | ||
1078 | /* Translate a REWIND statement. */ | |
1079 | ||
1080 | tree | |
1081 | gfc_trans_rewind (gfc_code * code) | |
1082 | { | |
5e805e44 | 1083 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1084 | } |
1085 | ||
1086 | ||
6403ec5f JB |
1087 | /* Translate a FLUSH statement. */ |
1088 | ||
1089 | tree | |
1090 | gfc_trans_flush (gfc_code * code) | |
1091 | { | |
5e805e44 | 1092 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1093 | } |
1094 | ||
1095 | ||
6de9cd9a DN |
1096 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1097 | ||
1098 | tree | |
1099 | gfc_trans_inquire (gfc_code * code) | |
1100 | { | |
1101 | stmtblock_t block, post_block; | |
1102 | gfc_inquire *p; | |
5e805e44 JJ |
1103 | tree tmp, var; |
1104 | unsigned int mask = 0; | |
6de9cd9a | 1105 | |
5e805e44 | 1106 | gfc_start_block (&block); |
6de9cd9a DN |
1107 | gfc_init_block (&post_block); |
1108 | ||
5e805e44 JJ |
1109 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1110 | "inquire_parm"); | |
1111 | ||
1112 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1113 | p = code->ext.inquire; |
1114 | ||
7aba8abe | 1115 | if (p->iomsg) |
5e805e44 JJ |
1116 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1117 | p->iomsg); | |
7aba8abe | 1118 | |
6de9cd9a | 1119 | if (p->iostat) |
5e805e44 JJ |
1120 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1121 | p->iostat); | |
6de9cd9a | 1122 | |
f96d606f JD |
1123 | if (p->err) |
1124 | mask |= IOPARM_common_err; | |
1125 | ||
1126 | /* Sanity check. */ | |
1127 | if (p->unit && p->file) | |
1128 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1129 | ||
1130 | if (p->file) | |
1131 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1132 | p->file); | |
1133 | ||
6de9cd9a | 1134 | if (p->exist) |
5e805e44 JJ |
1135 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, |
1136 | p->exist); | |
6de9cd9a DN |
1137 | |
1138 | if (p->opened) | |
5e805e44 JJ |
1139 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1140 | p->opened); | |
6de9cd9a DN |
1141 | |
1142 | if (p->number) | |
5e805e44 JJ |
1143 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1144 | p->number); | |
6de9cd9a DN |
1145 | |
1146 | if (p->named) | |
5e805e44 JJ |
1147 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1148 | p->named); | |
6de9cd9a DN |
1149 | |
1150 | if (p->name) | |
5e805e44 JJ |
1151 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1152 | p->name); | |
6de9cd9a DN |
1153 | |
1154 | if (p->access) | |
5e805e44 JJ |
1155 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1156 | p->access); | |
6de9cd9a DN |
1157 | |
1158 | if (p->sequential) | |
5e805e44 JJ |
1159 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1160 | p->sequential); | |
6de9cd9a DN |
1161 | |
1162 | if (p->direct) | |
5e805e44 JJ |
1163 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1164 | p->direct); | |
6de9cd9a DN |
1165 | |
1166 | if (p->form) | |
5e805e44 JJ |
1167 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1168 | p->form); | |
6de9cd9a DN |
1169 | |
1170 | if (p->formatted) | |
5e805e44 JJ |
1171 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1172 | p->formatted); | |
6de9cd9a DN |
1173 | |
1174 | if (p->unformatted) | |
5e805e44 JJ |
1175 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1176 | p->unformatted); | |
6de9cd9a DN |
1177 | |
1178 | if (p->recl) | |
5e805e44 JJ |
1179 | mask |= set_parameter_ref (&block, &post_block, var, |
1180 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1181 | |
1182 | if (p->nextrec) | |
5e805e44 JJ |
1183 | mask |= set_parameter_ref (&block, &post_block, var, |
1184 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1185 | |
1186 | if (p->blank) | |
5e805e44 JJ |
1187 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1188 | p->blank); | |
6de9cd9a DN |
1189 | |
1190 | if (p->position) | |
5e805e44 JJ |
1191 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1192 | p->position); | |
6de9cd9a DN |
1193 | |
1194 | if (p->action) | |
5e805e44 JJ |
1195 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1196 | p->action); | |
6de9cd9a DN |
1197 | |
1198 | if (p->read) | |
5e805e44 JJ |
1199 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1200 | p->read); | |
6de9cd9a DN |
1201 | |
1202 | if (p->write) | |
5e805e44 JJ |
1203 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1204 | p->write); | |
6de9cd9a DN |
1205 | |
1206 | if (p->readwrite) | |
5e805e44 JJ |
1207 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1208 | p->readwrite); | |
6de9cd9a DN |
1209 | |
1210 | if (p->delim) | |
5e805e44 JJ |
1211 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, |
1212 | p->delim); | |
6de9cd9a | 1213 | |
dae24534 | 1214 | if (p->pad) |
5e805e44 JJ |
1215 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1216 | p->pad); | |
dae24534 | 1217 | |
181c9f4a TK |
1218 | if (p->convert) |
1219 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1220 | p->convert); | |
1221 | ||
014ec6ee JD |
1222 | if (p->strm_pos) |
1223 | mask |= set_parameter_ref (&block, &post_block, var, | |
1224 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1225 | ||
5e805e44 | 1226 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1227 | |
f96d606f JD |
1228 | if (p->unit) |
1229 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1230 | else | |
1231 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1232 | ||
488ce07b | 1233 | tmp = build_fold_addr_expr (var); |
5039610b | 1234 | tmp = build_call_expr (iocall[IOCALL_INQUIRE], 1, tmp); |
6de9cd9a DN |
1235 | gfc_add_expr_to_block (&block, tmp); |
1236 | ||
1237 | gfc_add_block_to_block (&block, &post_block); | |
1238 | ||
5e805e44 | 1239 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1240 | |
1241 | return gfc_finish_block (&block); | |
1242 | } | |
1243 | ||
6de9cd9a | 1244 | static gfc_expr * |
cb9e4f55 | 1245 | gfc_new_nml_name_expr (const char * name) |
6de9cd9a DN |
1246 | { |
1247 | gfc_expr * nml_name; | |
29dc5138 | 1248 | |
6de9cd9a DN |
1249 | nml_name = gfc_get_expr(); |
1250 | nml_name->ref = NULL; | |
1251 | nml_name->expr_type = EXPR_CONSTANT; | |
9d64df18 | 1252 | nml_name->ts.kind = gfc_default_character_kind; |
6de9cd9a DN |
1253 | nml_name->ts.type = BT_CHARACTER; |
1254 | nml_name->value.character.length = strlen(name); | |
cb9e4f55 TS |
1255 | nml_name->value.character.string = gfc_getmem (strlen (name) + 1); |
1256 | strcpy (nml_name->value.character.string, name); | |
6de9cd9a DN |
1257 | |
1258 | return nml_name; | |
1259 | } | |
1260 | ||
29dc5138 | 1261 | /* nml_full_name builds up the fully qualified name of a |
66e4ab31 | 1262 | derived type component. */ |
29dc5138 PT |
1263 | |
1264 | static char* | |
1265 | nml_full_name (const char* var_name, const char* cmp_name) | |
6de9cd9a | 1266 | { |
29dc5138 PT |
1267 | int full_name_length; |
1268 | char * full_name; | |
1269 | ||
1270 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
1271 | full_name = (char*)gfc_getmem (full_name_length + 1); | |
1272 | strcpy (full_name, var_name); | |
1273 | full_name = strcat (full_name, "%"); | |
1274 | full_name = strcat (full_name, cmp_name); | |
1275 | return full_name; | |
6de9cd9a DN |
1276 | } |
1277 | ||
29dc5138 PT |
1278 | /* nml_get_addr_expr builds an address expression from the |
1279 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1280 | provided so that the address of an element of an array of | |
1281 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1282 | determine that span of the derived type. */ |
29dc5138 PT |
1283 | |
1284 | static tree | |
1285 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1286 | tree base_addr) | |
1287 | { | |
1288 | tree decl = NULL_TREE; | |
1289 | tree tmp; | |
1290 | tree itmp; | |
1291 | int array_flagged; | |
1292 | int dummy_arg_flagged; | |
1293 | ||
1294 | if (sym) | |
1295 | { | |
1296 | sym->attr.referenced = 1; | |
1297 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1298 | |
1299 | /* If this is the enclosing function declaration, use | |
1300 | the fake result instead. */ | |
1301 | if (decl == current_function_decl) | |
1302 | decl = gfc_get_fake_result_decl (sym, 0); | |
1303 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1304 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1305 | } |
1306 | else | |
1307 | decl = c->backend_decl; | |
1308 | ||
1309 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1310 | || TREE_CODE (decl) == VAR_DECL | |
1311 | || TREE_CODE (decl) == PARM_DECL) | |
1312 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1313 | ||
1314 | tmp = decl; | |
1315 | ||
1316 | /* Build indirect reference, if dummy argument. */ | |
1317 | ||
1318 | dummy_arg_flagged = POINTER_TYPE_P (TREE_TYPE(tmp)); | |
1319 | ||
38611275 | 1320 | itmp = (dummy_arg_flagged) ? build_fold_indirect_ref (tmp) : tmp; |
29dc5138 PT |
1321 | |
1322 | /* If an array, set flag and use indirect ref. if built. */ | |
1323 | ||
1324 | array_flagged = (TREE_CODE (TREE_TYPE (itmp)) == ARRAY_TYPE | |
1325 | && !TYPE_STRING_FLAG (TREE_TYPE (itmp))); | |
1326 | ||
1327 | if (array_flagged) | |
1328 | tmp = itmp; | |
1329 | ||
1330 | /* Treat the component of a derived type, using base_addr for | |
1331 | the derived type. */ | |
1332 | ||
1333 | if (TREE_CODE (decl) == FIELD_DECL) | |
1334 | tmp = build3 (COMPONENT_REF, TREE_TYPE (tmp), | |
1335 | base_addr, tmp, NULL_TREE); | |
1336 | ||
1337 | /* If we have a derived type component, a reference to the first | |
1338 | element of the array is built. This is done so that base_addr, | |
1339 | used in the build of the component reference, always points to | |
1340 | a RECORD_TYPE. */ | |
1341 | ||
1342 | if (array_flagged) | |
1343 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node); | |
1344 | ||
1345 | /* Now build the address expression. */ | |
1346 | ||
488ce07b | 1347 | tmp = build_fold_addr_expr (tmp); |
29dc5138 PT |
1348 | |
1349 | /* If scalar dummy, resolve indirect reference now. */ | |
1350 | ||
1351 | if (dummy_arg_flagged && !array_flagged) | |
38611275 | 1352 | tmp = build_fold_indirect_ref (tmp); |
29dc5138 PT |
1353 | |
1354 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1355 | ||
1356 | return tmp; | |
1357 | } | |
3bc268e6 | 1358 | |
29dc5138 | 1359 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1360 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1361 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1362 | |
29dc5138 | 1363 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1364 | |
1365 | static void | |
29dc5138 PT |
1366 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1367 | gfc_symbol * sym, gfc_component * c, | |
1368 | tree base_addr) | |
3bc268e6 | 1369 | { |
29dc5138 PT |
1370 | gfc_typespec * ts = NULL; |
1371 | gfc_array_spec * as = NULL; | |
1372 | tree addr_expr = NULL; | |
1373 | tree dt = NULL; | |
1374 | tree string; | |
1375 | tree tmp; | |
29dc5138 | 1376 | tree dtype; |
5e805e44 | 1377 | tree dt_parm_addr; |
29dc5138 PT |
1378 | int n_dim; |
1379 | int itype; | |
1380 | int rank = 0; | |
3bc268e6 | 1381 | |
29dc5138 | 1382 | gcc_assert (sym || c); |
3bc268e6 | 1383 | |
29dc5138 PT |
1384 | /* Build the namelist object name. */ |
1385 | ||
1386 | string = gfc_build_cstring_const (var_name); | |
1387 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1388 | ||
1389 | /* Build ts, as and data address using symbol or component. */ | |
1390 | ||
1391 | ts = (sym) ? &sym->ts : &c->ts; | |
1392 | as = (sym) ? sym->as : c->as; | |
1393 | ||
1394 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1395 | ||
1396 | if (as) | |
1397 | rank = as->rank; | |
1398 | ||
1399 | if (rank) | |
3bc268e6 | 1400 | { |
29dc5138 PT |
1401 | dt = TREE_TYPE ((sym) ? sym->backend_decl : c->backend_decl); |
1402 | dtype = gfc_get_dtype (dt); | |
3bc268e6 | 1403 | } |
29dc5138 PT |
1404 | else |
1405 | { | |
1406 | itype = GFC_DTYPE_UNKNOWN; | |
3bc268e6 | 1407 | |
29dc5138 | 1408 | switch (ts->type) |
3bc268e6 | 1409 | |
29dc5138 PT |
1410 | { |
1411 | case BT_INTEGER: | |
1412 | itype = GFC_DTYPE_INTEGER; | |
1413 | break; | |
1414 | case BT_LOGICAL: | |
1415 | itype = GFC_DTYPE_LOGICAL; | |
1416 | break; | |
1417 | case BT_REAL: | |
1418 | itype = GFC_DTYPE_REAL; | |
1419 | break; | |
1420 | case BT_COMPLEX: | |
1421 | itype = GFC_DTYPE_COMPLEX; | |
1422 | break; | |
1423 | case BT_DERIVED: | |
1424 | itype = GFC_DTYPE_DERIVED; | |
1425 | break; | |
1426 | case BT_CHARACTER: | |
1427 | itype = GFC_DTYPE_CHARACTER; | |
1428 | break; | |
1429 | default: | |
1430 | gcc_unreachable (); | |
1431 | } | |
1432 | ||
1433 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); | |
3bc268e6 VL |
1434 | } |
1435 | ||
29dc5138 PT |
1436 | /* Build up the arguments for the transfer call. |
1437 | The call for the scalar part transfers: | |
1438 | (address, name, type, kind or string_length, dtype) */ | |
1439 | ||
488ce07b | 1440 | dt_parm_addr = build_fold_addr_expr (dt_parm); |
29dc5138 PT |
1441 | |
1442 | if (ts->type == BT_CHARACTER) | |
5039610b | 1443 | tmp = ts->cl->backend_decl; |
29dc5138 | 1444 | else |
5039610b SL |
1445 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
1446 | tmp = build_call_expr (iocall[IOCALL_SET_NML_VAL], 6, | |
1447 | dt_parm_addr, addr_expr, string, | |
1448 | IARG (ts->kind), tmp, dtype); | |
3bc268e6 | 1449 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1450 | |
1451 | /* If the object is an array, transfer rank times: | |
1452 | (null pointer, name, stride, lbound, ubound) */ | |
1453 | ||
1454 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1455 | { | |
5039610b SL |
1456 | tmp = build_call_expr (iocall[IOCALL_SET_NML_VAL_DIM], 5, |
1457 | dt_parm_addr, | |
1458 | IARG (n_dim), | |
1459 | GFC_TYPE_ARRAY_STRIDE (dt, n_dim), | |
1460 | GFC_TYPE_ARRAY_LBOUND (dt, n_dim), | |
1461 | GFC_TYPE_ARRAY_UBOUND (dt, n_dim)); | |
29dc5138 PT |
1462 | gfc_add_expr_to_block (block, tmp); |
1463 | } | |
1464 | ||
1465 | if (ts->type == BT_DERIVED) | |
1466 | { | |
1467 | gfc_component *cmp; | |
1468 | ||
1469 | /* Provide the RECORD_TYPE to build component references. */ | |
1470 | ||
38611275 | 1471 | tree expr = build_fold_indirect_ref (addr_expr); |
29dc5138 PT |
1472 | |
1473 | for (cmp = ts->derived->components; cmp; cmp = cmp->next) | |
1474 | { | |
1475 | char *full_name = nml_full_name (var_name, cmp->name); | |
1476 | transfer_namelist_element (block, | |
1477 | full_name, | |
1478 | NULL, cmp, expr); | |
1479 | gfc_free (full_name); | |
1480 | } | |
1481 | } | |
3bc268e6 | 1482 | } |
6de9cd9a | 1483 | |
29dc5138 | 1484 | #undef IARG |
29dc5138 | 1485 | |
6de9cd9a DN |
1486 | /* Create a data transfer statement. Not all of the fields are valid |
1487 | for both reading and writing, but improper use has been filtered | |
1488 | out by now. */ | |
1489 | ||
1490 | static tree | |
5e805e44 | 1491 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1492 | { |
d4feb3d3 | 1493 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1494 | gfc_dt *dt; |
5e805e44 | 1495 | tree tmp, var; |
29dc5138 | 1496 | gfc_expr *nmlname; |
3bc268e6 | 1497 | gfc_namelist *nml; |
5e805e44 | 1498 | unsigned int mask = 0; |
6de9cd9a | 1499 | |
5e805e44 | 1500 | gfc_start_block (&block); |
6de9cd9a | 1501 | gfc_init_block (&post_block); |
5e805e44 | 1502 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1503 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1504 | |
1505 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1506 | ||
1507 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1508 | |
5e805e44 JJ |
1509 | if (last_dt == IOLENGTH) |
1510 | { | |
1511 | gfc_inquire *inq; | |
1512 | ||
1513 | inq = code->ext.inquire; | |
6de9cd9a | 1514 | |
5e805e44 JJ |
1515 | /* First check that preconditions are met. */ |
1516 | gcc_assert (inq != NULL); | |
1517 | gcc_assert (inq->iolength != NULL); | |
1518 | ||
1519 | /* Connect to the iolength variable. */ | |
1520 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1521 | IOPARM_dt_iolength, inq->iolength); | |
1522 | dt = NULL; | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | dt = code->ext.dt; | |
1527 | gcc_assert (dt != NULL); | |
1528 | } | |
8750f9cd | 1529 | |
5e805e44 | 1530 | if (dt && dt->io_unit) |
6de9cd9a DN |
1531 | { |
1532 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1533 | { | |
d4feb3d3 PT |
1534 | mask |= set_internal_unit (&block, &post_iu_block, |
1535 | var, dt->io_unit); | |
5e805e44 | 1536 | set_parameter_const (&block, var, IOPARM_common_unit, 0); |
6de9cd9a | 1537 | } |
6de9cd9a | 1538 | } |
5e805e44 JJ |
1539 | else |
1540 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1541 | |
5e805e44 JJ |
1542 | if (dt) |
1543 | { | |
f96d606f JD |
1544 | if (dt->iomsg) |
1545 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1546 | dt->iomsg); | |
1547 | ||
1548 | if (dt->iostat) | |
1549 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1550 | IOPARM_common_iostat, dt->iostat); | |
1551 | ||
1552 | if (dt->err) | |
1553 | mask |= IOPARM_common_err; | |
1554 | ||
1555 | if (dt->eor) | |
1556 | mask |= IOPARM_common_eor; | |
1557 | ||
1558 | if (dt->end) | |
1559 | mask |= IOPARM_common_end; | |
1560 | ||
5e805e44 JJ |
1561 | if (dt->rec) |
1562 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); | |
6de9cd9a | 1563 | |
5e805e44 JJ |
1564 | if (dt->advance) |
1565 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1566 | dt->advance); | |
6de9cd9a | 1567 | |
5e805e44 | 1568 | if (dt->format_expr) |
9341698a | 1569 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1570 | dt->format_expr); |
6de9cd9a | 1571 | |
5e805e44 JJ |
1572 | if (dt->format_label) |
1573 | { | |
1574 | if (dt->format_label == &format_asterisk) | |
1575 | mask |= IOPARM_dt_list_format; | |
1576 | else | |
1577 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1578 | dt->format_label->format); | |
1579 | } | |
6de9cd9a | 1580 | |
5e805e44 JJ |
1581 | if (dt->size) |
1582 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1583 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1584 | |
5e805e44 JJ |
1585 | if (dt->namelist) |
1586 | { | |
1587 | if (dt->format_expr || dt->format_label) | |
1588 | gfc_internal_error ("build_dt: format with namelist"); | |
1589 | ||
1590 | nmlname = gfc_new_nml_name_expr (dt->namelist->name); | |
29dc5138 | 1591 | |
5e805e44 JJ |
1592 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1593 | nmlname); | |
29dc5138 | 1594 | |
5e805e44 JJ |
1595 | if (last_dt == READ) |
1596 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1597 | |
5e805e44 | 1598 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1599 | |
5e805e44 JJ |
1600 | dt_parm = var; |
1601 | ||
1602 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1603 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
1604 | NULL, NULL); | |
1605 | } | |
1606 | else | |
1607 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1608 | |
1609 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
1610 | set_parameter_value (&block, var, IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1611 | } |
5e805e44 JJ |
1612 | else |
1613 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1614 | |
488ce07b | 1615 | tmp = build_fold_addr_expr (var); |
5039610b | 1616 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a DN |
1617 | gfc_add_expr_to_block (&block, tmp); |
1618 | ||
1619 | gfc_add_block_to_block (&block, &post_block); | |
1620 | ||
5e805e44 JJ |
1621 | dt_parm = var; |
1622 | dt_post_end_block = &post_end_block; | |
1623 | ||
1624 | gfc_add_expr_to_block (&block, gfc_trans_code (code->block->next)); | |
1625 | ||
d4feb3d3 PT |
1626 | gfc_add_block_to_block (&block, &post_iu_block); |
1627 | ||
5e805e44 JJ |
1628 | dt_parm = NULL; |
1629 | dt_post_end_block = NULL; | |
1630 | ||
6de9cd9a DN |
1631 | return gfc_finish_block (&block); |
1632 | } | |
1633 | ||
1634 | ||
8750f9cd JB |
1635 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1636 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1637 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1638 | |
1639 | tree | |
1640 | gfc_trans_iolength (gfc_code * code) | |
1641 | { | |
8750f9cd | 1642 | last_dt = IOLENGTH; |
5e805e44 | 1643 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1644 | } |
1645 | ||
1646 | ||
6de9cd9a DN |
1647 | /* Translate a READ statement. */ |
1648 | ||
1649 | tree | |
1650 | gfc_trans_read (gfc_code * code) | |
1651 | { | |
6de9cd9a | 1652 | last_dt = READ; |
5e805e44 | 1653 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1654 | } |
1655 | ||
1656 | ||
1657 | /* Translate a WRITE statement */ | |
1658 | ||
1659 | tree | |
1660 | gfc_trans_write (gfc_code * code) | |
1661 | { | |
6de9cd9a | 1662 | last_dt = WRITE; |
5e805e44 | 1663 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1664 | } |
1665 | ||
1666 | ||
1667 | /* Finish a data transfer statement. */ | |
1668 | ||
1669 | tree | |
1670 | gfc_trans_dt_end (gfc_code * code) | |
1671 | { | |
1672 | tree function, tmp; | |
1673 | stmtblock_t block; | |
1674 | ||
1675 | gfc_init_block (&block); | |
1676 | ||
8750f9cd JB |
1677 | switch (last_dt) |
1678 | { | |
1679 | case READ: | |
5e805e44 | 1680 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1681 | break; |
1682 | ||
1683 | case WRITE: | |
5e805e44 | 1684 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1685 | break; |
1686 | ||
1687 | case IOLENGTH: | |
5e805e44 | 1688 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1689 | break; |
1690 | ||
1691 | default: | |
6e45f57b | 1692 | gcc_unreachable (); |
8750f9cd | 1693 | } |
6de9cd9a | 1694 | |
488ce07b | 1695 | tmp = build_fold_addr_expr (dt_parm); |
5039610b | 1696 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a | 1697 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1698 | gfc_add_block_to_block (&block, dt_post_end_block); |
1699 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1700 | |
8750f9cd JB |
1701 | if (last_dt != IOLENGTH) |
1702 | { | |
6e45f57b | 1703 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1704 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1705 | code->ext.dt->end, code->ext.dt->eor); |
1706 | } | |
6de9cd9a DN |
1707 | |
1708 | return gfc_finish_block (&block); | |
1709 | } | |
1710 | ||
d2ccf6aa | 1711 | static void |
aa5e22f0 | 1712 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1713 | |
1714 | /* Given an array field in a derived type variable, generate the code | |
1715 | for the loop that iterates over array elements, and the code that | |
1716 | accesses those array elements. Use transfer_expr to generate code | |
1717 | for transferring that element. Because elements may also be | |
1718 | derived types, transfer_expr and transfer_array_component are mutually | |
1719 | recursive. */ | |
1720 | ||
1721 | static tree | |
1722 | transfer_array_component (tree expr, gfc_component * cm) | |
1723 | { | |
1724 | tree tmp; | |
1725 | stmtblock_t body; | |
1726 | stmtblock_t block; | |
1727 | gfc_loopinfo loop; | |
1728 | int n; | |
1729 | gfc_ss *ss; | |
1730 | gfc_se se; | |
1731 | ||
1732 | gfc_start_block (&block); | |
1733 | gfc_init_se (&se, NULL); | |
1734 | ||
1735 | /* Create and initialize Scalarization Status. Unlike in | |
1736 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1737 | care of this task, because we don't have a gfc_expr at hand. | |
1738 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1739 | ||
1740 | ss = gfc_get_ss (); | |
1741 | ss->type = GFC_SS_COMPONENT; | |
1742 | ss->expr = NULL; | |
1743 | ss->shape = gfc_get_shape (cm->as->rank); | |
1744 | ss->next = gfc_ss_terminator; | |
1745 | ss->data.info.dimen = cm->as->rank; | |
1746 | ss->data.info.descriptor = expr; | |
1747 | ss->data.info.data = gfc_conv_array_data (expr); | |
1748 | ss->data.info.offset = gfc_conv_array_offset (expr); | |
1749 | for (n = 0; n < cm->as->rank; n++) | |
1750 | { | |
1751 | ss->data.info.dim[n] = n; | |
1752 | ss->data.info.start[n] = gfc_conv_array_lbound (expr, n); | |
1753 | ss->data.info.stride[n] = gfc_index_one_node; | |
1754 | ||
1755 | mpz_init (ss->shape[n]); | |
1756 | mpz_sub (ss->shape[n], cm->as->upper[n]->value.integer, | |
1757 | cm->as->lower[n]->value.integer); | |
1758 | mpz_add_ui (ss->shape[n], ss->shape[n], 1); | |
1759 | } | |
1760 | ||
f7b529fa | 1761 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1762 | |
1763 | gfc_init_loopinfo (&loop); | |
1764 | gfc_add_ss_to_loop (&loop, ss); | |
1765 | gfc_conv_ss_startstride (&loop); | |
1766 | gfc_conv_loop_setup (&loop); | |
1767 | gfc_mark_ss_chain_used (ss, 1); | |
1768 | gfc_start_scalarized_body (&loop, &body); | |
1769 | ||
1770 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1771 | se.ss = ss; | |
1772 | ||
1773 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
1774 | se.expr = expr; | |
1775 | gfc_conv_tmp_array_ref (&se); | |
1776 | ||
1777 | /* Now se.expr contains an element of the array. Take the address and pass | |
1778 | it to the IO routines. */ | |
488ce07b | 1779 | tmp = build_fold_addr_expr (se.expr); |
aa5e22f0 | 1780 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
1781 | |
1782 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 1783 | return. */ |
d2ccf6aa VL |
1784 | |
1785 | gfc_add_block_to_block (&body, &se.pre); | |
1786 | gfc_add_block_to_block (&body, &se.post); | |
1787 | ||
1788 | gfc_trans_scalarizing_loops (&loop, &body); | |
1789 | ||
1790 | gfc_add_block_to_block (&block, &loop.pre); | |
1791 | gfc_add_block_to_block (&block, &loop.post); | |
1792 | ||
d2ccf6aa VL |
1793 | for (n = 0; n < cm->as->rank; n++) |
1794 | mpz_clear (ss->shape[n]); | |
1795 | gfc_free (ss->shape); | |
1796 | ||
96654664 PB |
1797 | gfc_cleanup_loop (&loop); |
1798 | ||
d2ccf6aa VL |
1799 | return gfc_finish_block (&block); |
1800 | } | |
6de9cd9a DN |
1801 | |
1802 | /* Generate the call for a scalar transfer node. */ | |
1803 | ||
1804 | static void | |
aa5e22f0 | 1805 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 1806 | { |
5039610b | 1807 | tree tmp, function, arg2, field, expr; |
6de9cd9a DN |
1808 | gfc_component *c; |
1809 | int kind; | |
1810 | ||
a8b3b0b6 CR |
1811 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
1812 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
1813 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
1814 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
1815 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
1816 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
1817 | if ((ts->type == BT_DERIVED && ts->is_iso_c == 1 && ts->derived != NULL) | |
1818 | || (ts->derived != NULL && ts->derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 1819 | { |
aa5e22f0 CR |
1820 | /* C_PTR and C_FUNPTR have private components which means they can not |
1821 | be printed. However, if -std=gnu and not -pedantic, allow | |
1822 | the component to be printed to help debugging. */ | |
1823 | if (gfc_notification_std (GFC_STD_GNU) != SILENT) | |
1824 | { | |
1825 | gfc_error_now ("Derived type '%s' at %L has PRIVATE components", | |
1826 | ts->derived->name, code != NULL ? &(code->loc) : | |
1827 | &gfc_current_locus); | |
1828 | return; | |
1829 | } | |
1830 | ||
a8b3b0b6 CR |
1831 | ts->type = ts->derived->ts.type; |
1832 | ts->kind = ts->derived->ts.kind; | |
1833 | ts->f90_type = ts->derived->ts.f90_type; | |
1834 | } | |
1835 | ||
6de9cd9a DN |
1836 | kind = ts->kind; |
1837 | function = NULL; | |
1838 | arg2 = NULL; | |
1839 | ||
1840 | switch (ts->type) | |
1841 | { | |
1842 | case BT_INTEGER: | |
7d60be94 | 1843 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 1844 | function = iocall[IOCALL_X_INTEGER]; |
6de9cd9a DN |
1845 | break; |
1846 | ||
1847 | case BT_REAL: | |
7d60be94 | 1848 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 1849 | function = iocall[IOCALL_X_REAL]; |
6de9cd9a DN |
1850 | break; |
1851 | ||
1852 | case BT_COMPLEX: | |
7d60be94 | 1853 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 1854 | function = iocall[IOCALL_X_COMPLEX]; |
6de9cd9a DN |
1855 | break; |
1856 | ||
1857 | case BT_LOGICAL: | |
7d60be94 | 1858 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 1859 | function = iocall[IOCALL_X_LOGICAL]; |
6de9cd9a DN |
1860 | break; |
1861 | ||
1862 | case BT_CHARACTER: | |
7b95e2a8 | 1863 | case BT_HOLLERITH: |
d2ccf6aa VL |
1864 | if (se->string_length) |
1865 | arg2 = se->string_length; | |
1866 | else | |
1867 | { | |
38611275 | 1868 | tmp = build_fold_indirect_ref (addr_expr); |
d2ccf6aa VL |
1869 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
1870 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
1871 | } | |
5e805e44 | 1872 | function = iocall[IOCALL_X_CHARACTER]; |
6de9cd9a DN |
1873 | break; |
1874 | ||
1875 | case BT_DERIVED: | |
d2ccf6aa | 1876 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 1877 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
38611275 | 1878 | expr = build_fold_indirect_ref (expr); |
6de9cd9a DN |
1879 | |
1880 | for (c = ts->derived->components; c; c = c->next) | |
1881 | { | |
1882 | field = c->backend_decl; | |
6e45f57b | 1883 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 1884 | |
923ab88c TS |
1885 | tmp = build3 (COMPONENT_REF, TREE_TYPE (field), expr, field, |
1886 | NULL_TREE); | |
6de9cd9a | 1887 | |
d2ccf6aa VL |
1888 | if (c->dimension) |
1889 | { | |
1890 | tmp = transfer_array_component (tmp, c); | |
1891 | gfc_add_expr_to_block (&se->pre, tmp); | |
1892 | } | |
1893 | else | |
1894 | { | |
1895 | if (!c->pointer) | |
488ce07b | 1896 | tmp = build_fold_addr_expr (tmp); |
aa5e22f0 | 1897 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 1898 | } |
6de9cd9a DN |
1899 | } |
1900 | return; | |
1901 | ||
1902 | default: | |
1903 | internal_error ("Bad IO basetype (%d)", ts->type); | |
1904 | } | |
1905 | ||
488ce07b | 1906 | tmp = build_fold_addr_expr (dt_parm); |
5039610b | 1907 | tmp = build_call_expr (function, 3, tmp, addr_expr, arg2); |
6de9cd9a DN |
1908 | gfc_add_expr_to_block (&se->pre, tmp); |
1909 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 1910 | |
6de9cd9a DN |
1911 | } |
1912 | ||
1913 | ||
18623fae JB |
1914 | /* Generate a call to pass an array descriptor to the IO library. The |
1915 | array should be of one of the intrinsic types. */ | |
1916 | ||
1917 | static void | |
1918 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
1919 | { | |
5039610b | 1920 | tree tmp, charlen_arg, kind_arg; |
18623fae JB |
1921 | |
1922 | if (ts->type == BT_CHARACTER) | |
1923 | charlen_arg = se->string_length; | |
1924 | else | |
7fb41a42 | 1925 | charlen_arg = build_int_cst (NULL_TREE, 0); |
18623fae | 1926 | |
e5ef4b3b JB |
1927 | kind_arg = build_int_cst (NULL_TREE, ts->kind); |
1928 | ||
488ce07b | 1929 | tmp = build_fold_addr_expr (dt_parm); |
5039610b SL |
1930 | tmp = build_call_expr (iocall[IOCALL_X_ARRAY], 4, |
1931 | tmp, addr_expr, kind_arg, charlen_arg); | |
18623fae JB |
1932 | gfc_add_expr_to_block (&se->pre, tmp); |
1933 | gfc_add_block_to_block (&se->pre, &se->post); | |
1934 | } | |
1935 | ||
1936 | ||
6de9cd9a DN |
1937 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
1938 | ||
1939 | tree | |
1940 | gfc_trans_transfer (gfc_code * code) | |
1941 | { | |
1942 | stmtblock_t block, body; | |
1943 | gfc_loopinfo loop; | |
1944 | gfc_expr *expr; | |
99c7ab42 | 1945 | gfc_ref *ref; |
6de9cd9a DN |
1946 | gfc_ss *ss; |
1947 | gfc_se se; | |
1948 | tree tmp; | |
1949 | ||
1950 | gfc_start_block (&block); | |
18623fae | 1951 | gfc_init_block (&body); |
6de9cd9a DN |
1952 | |
1953 | expr = code->expr; | |
1954 | ss = gfc_walk_expr (expr); | |
1955 | ||
99c7ab42 | 1956 | ref = NULL; |
6de9cd9a DN |
1957 | gfc_init_se (&se, NULL); |
1958 | ||
1959 | if (ss == gfc_ss_terminator) | |
18623fae | 1960 | { |
815d8045 | 1961 | /* Transfer a scalar value. */ |
18623fae | 1962 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 1963 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 1964 | } |
815d8045 | 1965 | else |
6de9cd9a | 1966 | { |
99c7ab42 PT |
1967 | /* Transfer an array. If it is an array of an intrinsic |
1968 | type, pass the descriptor to the library. Otherwise | |
1969 | scalarize the transfer. */ | |
1970 | if (expr->ref) | |
1971 | { | |
1972 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
1973 | ref = ref->next); | |
1974 | gcc_assert (ref->type == REF_ARRAY); | |
1975 | } | |
1976 | ||
1977 | if (expr->ts.type != BT_DERIVED && ref && ref->next == NULL) | |
815d8045 JB |
1978 | { |
1979 | /* Get the descriptor. */ | |
1980 | gfc_conv_expr_descriptor (&se, expr, ss); | |
488ce07b | 1981 | tmp = build_fold_addr_expr (se.expr); |
99c7ab42 PT |
1982 | transfer_array_desc (&se, &expr->ts, tmp); |
1983 | goto finish_block_label; | |
815d8045 JB |
1984 | } |
1985 | ||
6de9cd9a DN |
1986 | /* Initialize the scalarizer. */ |
1987 | gfc_init_loopinfo (&loop); | |
1988 | gfc_add_ss_to_loop (&loop, ss); | |
1989 | ||
1990 | /* Initialize the loop. */ | |
1991 | gfc_conv_ss_startstride (&loop); | |
1992 | gfc_conv_loop_setup (&loop); | |
1993 | ||
1994 | /* The main loop body. */ | |
1995 | gfc_mark_ss_chain_used (ss, 1); | |
1996 | gfc_start_scalarized_body (&loop, &body); | |
1997 | ||
1998 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1999 | se.ss = ss; | |
6de9cd9a | 2000 | |
18623fae | 2001 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2002 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2003 | } |
815d8045 JB |
2004 | |
2005 | finish_block_label: | |
6de9cd9a DN |
2006 | |
2007 | gfc_add_block_to_block (&body, &se.pre); | |
2008 | gfc_add_block_to_block (&body, &se.post); | |
2009 | ||
2010 | if (se.ss == NULL) | |
2011 | tmp = gfc_finish_block (&body); | |
2012 | else | |
2013 | { | |
6e45f57b | 2014 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2015 | gfc_trans_scalarizing_loops (&loop, &body); |
2016 | ||
2017 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2018 | tmp = gfc_finish_block (&loop.pre); | |
2019 | gfc_cleanup_loop (&loop); | |
2020 | } | |
2021 | ||
2022 | gfc_add_expr_to_block (&block, tmp); | |
2023 | ||
d2ccf6aa | 2024 | return gfc_finish_block (&block); |
6de9cd9a DN |
2025 | } |
2026 | ||
2027 | #include "gt-fortran-trans-io.h" | |
2028 |