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6de9cd9a | 1 | /* IO Code translation/library interface |
7d1f1e61 PT |
2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
3 | Free Software 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 | |
d234d788 | 10 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 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 | |
d234d788 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
21 | |
22 | ||
23 | #include "config.h" | |
24 | #include "system.h" | |
25 | #include "coretypes.h" | |
26 | #include "tree.h" | |
726a989a | 27 | #include "gimple.h" |
6de9cd9a DN |
28 | #include "ggc.h" |
29 | #include "toplev.h" | |
30 | #include "real.h" | |
6de9cd9a DN |
31 | #include "gfortran.h" |
32 | #include "trans.h" | |
33 | #include "trans-stmt.h" | |
34 | #include "trans-array.h" | |
35 | #include "trans-types.h" | |
36 | #include "trans-const.h" | |
37 | ||
6de9cd9a DN |
38 | /* Members of the ioparm structure. */ |
39 | ||
5e805e44 JJ |
40 | enum ioparam_type |
41 | { | |
42 | IOPARM_ptype_common, | |
43 | IOPARM_ptype_open, | |
44 | IOPARM_ptype_close, | |
45 | IOPARM_ptype_filepos, | |
46 | IOPARM_ptype_inquire, | |
47 | IOPARM_ptype_dt, | |
6f0f0b2e | 48 | IOPARM_ptype_wait, |
5e805e44 JJ |
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 | ||
d1b38208 | 67 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
68 | const char *name; |
69 | unsigned int mask; | |
70 | enum ioparam_type param_type; | |
71 | enum iofield_type type; | |
72 | tree field; | |
73 | tree field_len; | |
74 | } | |
75 | gfc_st_parameter_field; | |
6de9cd9a | 76 | |
d1b38208 | 77 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
78 | const char *name; |
79 | tree type; | |
80 | } | |
81 | gfc_st_parameter; | |
82 | ||
83 | enum iofield | |
84 | { | |
85 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
86 | #include "ioparm.def" | |
87 | #undef IOPARM | |
88 | IOPARM_field_num | |
89 | }; | |
90 | ||
91 | static GTY(()) gfc_st_parameter st_parameter[] = | |
92 | { | |
93 | { "common", NULL }, | |
94 | { "open", NULL }, | |
95 | { "close", NULL }, | |
96 | { "filepos", NULL }, | |
97 | { "inquire", NULL }, | |
6f0f0b2e JD |
98 | { "dt", NULL }, |
99 | { "wait", NULL } | |
5e805e44 JJ |
100 | }; |
101 | ||
102 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
103 | { | |
104 | #define IOPARM(param_type, name, mask, type) \ | |
105 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
106 | #include "ioparm.def" | |
107 | #undef IOPARM | |
108 | { NULL, 0, 0, 0, NULL, NULL } | |
109 | }; | |
6de9cd9a DN |
110 | |
111 | /* Library I/O subroutines */ | |
112 | ||
5e805e44 JJ |
113 | enum iocall |
114 | { | |
115 | IOCALL_READ, | |
116 | IOCALL_READ_DONE, | |
117 | IOCALL_WRITE, | |
118 | IOCALL_WRITE_DONE, | |
119 | IOCALL_X_INTEGER, | |
120 | IOCALL_X_LOGICAL, | |
121 | IOCALL_X_CHARACTER, | |
8a221914 | 122 | IOCALL_X_CHARACTER_WIDE, |
5e805e44 JJ |
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, | |
6f0f0b2e | 137 | IOCALL_WAIT, |
5e805e44 JJ |
138 | IOCALL_NUM |
139 | }; | |
140 | ||
141 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
142 | |
143 | /* Variable for keeping track of what the last data transfer statement | |
144 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 145 | transfer is complete. */ |
8750f9cd | 146 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 147 | |
5e805e44 JJ |
148 | /* The data transfer parameter block that should be shared by all |
149 | data transfer calls belonging to the same read/write/iolength. */ | |
150 | static GTY(()) tree dt_parm; | |
151 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 152 | |
5e805e44 JJ |
153 | static void |
154 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
155 | { | |
156 | enum iofield type; | |
157 | gfc_st_parameter_field *p; | |
158 | char name[64]; | |
159 | size_t len; | |
160 | tree t = make_node (RECORD_TYPE); | |
161 | ||
162 | len = strlen (st_parameter[ptype].name); | |
163 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
164 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
165 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 166 | len + 1); |
5e805e44 JJ |
167 | TYPE_NAME (t) = get_identifier (name); |
168 | ||
169 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
170 | if (p->param_type == ptype) | |
171 | switch (p->type) | |
172 | { | |
173 | case IOPARM_type_int4: | |
014ec6ee | 174 | case IOPARM_type_intio: |
5e805e44 | 175 | case IOPARM_type_pint4: |
014ec6ee | 176 | case IOPARM_type_pintio: |
5e805e44 JJ |
177 | case IOPARM_type_parray: |
178 | case IOPARM_type_pchar: | |
179 | case IOPARM_type_pad: | |
180 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
181 | get_identifier (p->name), | |
182 | types[p->type]); | |
183 | break; | |
184 | case IOPARM_type_char1: | |
185 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
186 | get_identifier (p->name), | |
187 | pchar_type_node); | |
188 | /* FALLTHROUGH */ | |
189 | case IOPARM_type_char2: | |
190 | len = strlen (p->name); | |
191 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
192 | memcpy (name, p->name, len); | |
193 | memcpy (name + len, "_len", sizeof ("_len")); | |
194 | p->field_len = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
195 | get_identifier (name), | |
196 | gfc_charlen_type_node); | |
197 | if (p->type == IOPARM_type_char2) | |
198 | p->field = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
199 | get_identifier (p->name), | |
200 | pchar_type_node); | |
201 | break; | |
202 | case IOPARM_type_common: | |
203 | p->field | |
204 | = gfc_add_field_to_struct (&TYPE_FIELDS (t), t, | |
205 | get_identifier (p->name), | |
206 | st_parameter[IOPARM_ptype_common].type); | |
207 | break; | |
208 | case IOPARM_type_num: | |
209 | gcc_unreachable (); | |
210 | } | |
6de9cd9a | 211 | |
5e805e44 JJ |
212 | gfc_finish_type (t); |
213 | st_parameter[ptype].type = t; | |
214 | } | |
6de9cd9a | 215 | |
f96d606f JD |
216 | |
217 | /* Build code to test an error condition and call generate_error if needed. | |
218 | Note: This builds calls to generate_error in the runtime library function. | |
219 | The function generate_error is dependent on certain parameters in the | |
220 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
221 | Therefore, the code to set these flags must be generated before | |
222 | this function is used. */ | |
223 | ||
224 | void | |
225 | gfc_trans_io_runtime_check (tree cond, tree var, int error_code, | |
226 | const char * msgid, stmtblock_t * pblock) | |
227 | { | |
228 | stmtblock_t block; | |
229 | tree body; | |
230 | tree tmp; | |
231 | tree arg1, arg2, arg3; | |
232 | char *message; | |
233 | ||
234 | if (integer_zerop (cond)) | |
235 | return; | |
236 | ||
237 | /* The code to generate the error. */ | |
238 | gfc_start_block (&block); | |
239 | ||
628c189e | 240 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
f96d606f JD |
241 | |
242 | arg2 = build_int_cst (integer_type_node, error_code), | |
243 | ||
244 | asprintf (&message, "%s", _(msgid)); | |
ee37d2f5 FXC |
245 | arg3 = gfc_build_addr_expr (pchar_type_node, |
246 | gfc_build_localized_cstring_const (message)); | |
f96d606f JD |
247 | gfc_free(message); |
248 | ||
249 | tmp = build_call_expr (gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
250 | ||
251 | gfc_add_expr_to_block (&block, tmp); | |
252 | ||
253 | body = gfc_finish_block (&block); | |
254 | ||
255 | if (integer_onep (cond)) | |
256 | { | |
257 | gfc_add_expr_to_block (pblock, body); | |
258 | } | |
259 | else | |
260 | { | |
261 | /* Tell the compiler that this isn't likely. */ | |
262 | cond = fold_convert (long_integer_type_node, cond); | |
263 | tmp = build_int_cst (long_integer_type_node, 0); | |
264 | cond = build_call_expr (built_in_decls[BUILT_IN_EXPECT], 2, cond, tmp); | |
265 | cond = fold_convert (boolean_type_node, cond); | |
266 | ||
267 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt ()); | |
268 | gfc_add_expr_to_block (pblock, tmp); | |
269 | } | |
270 | } | |
271 | ||
272 | ||
6de9cd9a DN |
273 | /* Create function decls for IO library functions. */ |
274 | ||
275 | void | |
276 | gfc_build_io_library_fndecls (void) | |
277 | { | |
5e805e44 | 278 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 279 | tree gfc_intio_type_node; |
5e805e44 | 280 | tree parm_type, dt_parm_type; |
5e805e44 JJ |
281 | HOST_WIDE_INT pad_size; |
282 | enum ioparam_type ptype; | |
283 | ||
284 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
285 | types[IOPARM_type_intio] = gfc_intio_type_node |
286 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 287 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
288 | types[IOPARM_type_pintio] |
289 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
290 | types[IOPARM_type_parray] = pchar_type_node; |
291 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 292 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 293 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
e1456843 | 294 | pad_idx = build_index_type (build_int_cst (NULL_TREE, pad_size - 1)); |
5e805e44 | 295 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
296 | |
297 | /* pad actually contains pointers and integers so it needs to have an | |
298 | alignment that is at least as large as the needed alignment for those | |
299 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
300 | what really goes into this space. */ | |
301 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
e1456843 | 302 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
7ae99337 | 303 | |
5e805e44 JJ |
304 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
305 | gfc_build_st_parameter (ptype, types); | |
6de9cd9a DN |
306 | |
307 | /* Define the transfer functions. */ | |
308 | ||
5e805e44 JJ |
309 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
310 | ||
311 | iocall[IOCALL_X_INTEGER] = | |
6de9cd9a DN |
312 | gfc_build_library_function_decl (get_identifier |
313 | (PREFIX("transfer_integer")), | |
5e805e44 JJ |
314 | void_type_node, 3, dt_parm_type, |
315 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 316 | |
5e805e44 | 317 | iocall[IOCALL_X_LOGICAL] = |
6de9cd9a DN |
318 | gfc_build_library_function_decl (get_identifier |
319 | (PREFIX("transfer_logical")), | |
5e805e44 JJ |
320 | void_type_node, 3, dt_parm_type, |
321 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 322 | |
5e805e44 | 323 | iocall[IOCALL_X_CHARACTER] = |
6de9cd9a DN |
324 | gfc_build_library_function_decl (get_identifier |
325 | (PREFIX("transfer_character")), | |
5e805e44 JJ |
326 | void_type_node, 3, dt_parm_type, |
327 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 328 | |
8a221914 JD |
329 | iocall[IOCALL_X_CHARACTER_WIDE] = |
330 | gfc_build_library_function_decl (get_identifier | |
331 | (PREFIX("transfer_character_wide")), | |
332 | void_type_node, 4, dt_parm_type, | |
333 | pvoid_type_node, gfc_charlen_type_node, | |
334 | gfc_int4_type_node); | |
335 | ||
5e805e44 | 336 | iocall[IOCALL_X_REAL] = |
6de9cd9a | 337 | gfc_build_library_function_decl (get_identifier (PREFIX("transfer_real")), |
5e805e44 | 338 | void_type_node, 3, dt_parm_type, |
6de9cd9a DN |
339 | pvoid_type_node, gfc_int4_type_node); |
340 | ||
5e805e44 | 341 | iocall[IOCALL_X_COMPLEX] = |
6de9cd9a DN |
342 | gfc_build_library_function_decl (get_identifier |
343 | (PREFIX("transfer_complex")), | |
5e805e44 JJ |
344 | void_type_node, 3, dt_parm_type, |
345 | pvoid_type_node, gfc_int4_type_node); | |
6de9cd9a | 346 | |
5e805e44 | 347 | iocall[IOCALL_X_ARRAY] = |
18623fae JB |
348 | gfc_build_library_function_decl (get_identifier |
349 | (PREFIX("transfer_array")), | |
5e805e44 | 350 | void_type_node, 4, dt_parm_type, |
dd52ecb0 | 351 | pvoid_type_node, integer_type_node, |
18623fae JB |
352 | gfc_charlen_type_node); |
353 | ||
6de9cd9a DN |
354 | /* Library entry points */ |
355 | ||
5e805e44 | 356 | iocall[IOCALL_READ] = |
6de9cd9a | 357 | gfc_build_library_function_decl (get_identifier (PREFIX("st_read")), |
5e805e44 | 358 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 359 | |
5e805e44 | 360 | iocall[IOCALL_WRITE] = |
6de9cd9a | 361 | gfc_build_library_function_decl (get_identifier (PREFIX("st_write")), |
5e805e44 JJ |
362 | void_type_node, 1, dt_parm_type); |
363 | ||
364 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
365 | iocall[IOCALL_OPEN] = | |
6de9cd9a | 366 | gfc_build_library_function_decl (get_identifier (PREFIX("st_open")), |
5e805e44 | 367 | void_type_node, 1, parm_type); |
6de9cd9a | 368 | |
5e805e44 JJ |
369 | |
370 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
371 | iocall[IOCALL_CLOSE] = | |
6de9cd9a | 372 | gfc_build_library_function_decl (get_identifier (PREFIX("st_close")), |
5e805e44 | 373 | void_type_node, 1, parm_type); |
6de9cd9a | 374 | |
5e805e44 JJ |
375 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
376 | iocall[IOCALL_INQUIRE] = | |
6de9cd9a | 377 | gfc_build_library_function_decl (get_identifier (PREFIX("st_inquire")), |
5e805e44 | 378 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 379 | |
5e805e44 | 380 | iocall[IOCALL_IOLENGTH] = |
8750f9cd | 381 | gfc_build_library_function_decl(get_identifier (PREFIX("st_iolength")), |
5e805e44 | 382 | void_type_node, 1, dt_parm_type); |
8750f9cd | 383 | |
6f0f0b2e JD |
384 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
385 | iocall[IOCALL_WAIT] = | |
386 | gfc_build_library_function_decl (get_identifier (PREFIX("st_wait")), | |
387 | gfc_int4_type_node, 1, parm_type); | |
388 | ||
5e805e44 JJ |
389 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
390 | iocall[IOCALL_REWIND] = | |
6de9cd9a | 391 | gfc_build_library_function_decl (get_identifier (PREFIX("st_rewind")), |
5e805e44 | 392 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 393 | |
5e805e44 | 394 | iocall[IOCALL_BACKSPACE] = |
6de9cd9a | 395 | gfc_build_library_function_decl (get_identifier (PREFIX("st_backspace")), |
5e805e44 | 396 | gfc_int4_type_node, 1, parm_type); |
6de9cd9a | 397 | |
5e805e44 | 398 | iocall[IOCALL_ENDFILE] = |
6de9cd9a | 399 | gfc_build_library_function_decl (get_identifier (PREFIX("st_endfile")), |
5e805e44 | 400 | gfc_int4_type_node, 1, parm_type); |
6403ec5f | 401 | |
5e805e44 | 402 | iocall[IOCALL_FLUSH] = |
6403ec5f | 403 | gfc_build_library_function_decl (get_identifier (PREFIX("st_flush")), |
5e805e44 | 404 | gfc_int4_type_node, 1, parm_type); |
6403ec5f | 405 | |
6de9cd9a DN |
406 | /* Library helpers */ |
407 | ||
5e805e44 | 408 | iocall[IOCALL_READ_DONE] = |
6de9cd9a | 409 | gfc_build_library_function_decl (get_identifier (PREFIX("st_read_done")), |
5e805e44 | 410 | gfc_int4_type_node, 1, dt_parm_type); |
6de9cd9a | 411 | |
5e805e44 | 412 | iocall[IOCALL_WRITE_DONE] = |
6de9cd9a | 413 | gfc_build_library_function_decl (get_identifier (PREFIX("st_write_done")), |
5e805e44 | 414 | gfc_int4_type_node, 1, dt_parm_type); |
8750f9cd | 415 | |
5e805e44 | 416 | iocall[IOCALL_IOLENGTH_DONE] = |
8750f9cd | 417 | gfc_build_library_function_decl (get_identifier (PREFIX("st_iolength_done")), |
5e805e44 | 418 | gfc_int4_type_node, 1, dt_parm_type); |
8750f9cd | 419 | |
6de9cd9a | 420 | |
5e805e44 | 421 | iocall[IOCALL_SET_NML_VAL] = |
29dc5138 | 422 | gfc_build_library_function_decl (get_identifier (PREFIX("st_set_nml_var")), |
5e805e44 JJ |
423 | void_type_node, 6, dt_parm_type, |
424 | pvoid_type_node, pvoid_type_node, | |
425 | gfc_int4_type_node, gfc_charlen_type_node, | |
29dc5138 | 426 | gfc_int4_type_node); |
6de9cd9a | 427 | |
5e805e44 | 428 | iocall[IOCALL_SET_NML_VAL_DIM] = |
29dc5138 | 429 | gfc_build_library_function_decl (get_identifier (PREFIX("st_set_nml_var_dim")), |
5e805e44 | 430 | void_type_node, 5, dt_parm_type, |
6520ecac JB |
431 | gfc_int4_type_node, gfc_array_index_type, |
432 | gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
433 | } |
434 | ||
435 | ||
5e805e44 JJ |
436 | /* Generate code to store an integer constant into the |
437 | st_parameter_XXX structure. */ | |
438 | ||
439 | static unsigned int | |
440 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
441 | unsigned int val) | |
442 | { | |
443 | tree tmp; | |
444 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
445 | ||
446 | if (p->param_type == IOPARM_ptype_common) | |
44855d8c TS |
447 | var = fold_build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
448 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
449 | tmp = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), var, p->field, | |
450 | NULL_TREE); | |
726a989a | 451 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
5e805e44 JJ |
452 | return p->mask; |
453 | } | |
454 | ||
455 | ||
49de9e73 | 456 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 457 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 458 | |
5e805e44 JJ |
459 | static unsigned int |
460 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, | |
461 | gfc_expr *e) | |
6de9cd9a DN |
462 | { |
463 | gfc_se se; | |
464 | tree tmp; | |
5e805e44 | 465 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 466 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
467 | |
468 | gfc_init_se (&se, NULL); | |
f96d606f JD |
469 | gfc_conv_expr_val (&se, e); |
470 | ||
471 | /* If we're storing a UNIT number, we need to check it first. */ | |
472 | if (type == IOPARM_common_unit && e->ts.kind != 4) | |
473 | { | |
474 | tree cond, max; | |
f96d606f JD |
475 | int i; |
476 | ||
f96d606f JD |
477 | /* Don't evaluate the UNIT number multiple times. */ |
478 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
479 | ||
480 | /* UNIT numbers should be nonnegative. */ | |
481 | cond = fold_build2 (LT_EXPR, boolean_type_node, se.expr, | |
482 | build_int_cst (TREE_TYPE (se.expr),0)); | |
d74b97cc | 483 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
f96d606f JD |
484 | "Negative unit number in I/O statement", |
485 | &se.pre); | |
486 | ||
487 | /* UNIT numbers should be less than the max. */ | |
488 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
489 | max = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); | |
490 | cond = fold_build2 (GT_EXPR, boolean_type_node, se.expr, | |
491 | fold_convert (TREE_TYPE (se.expr), max)); | |
d74b97cc | 492 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
f96d606f JD |
493 | "Unit number in I/O statement too large", |
494 | &se.pre); | |
495 | ||
496 | } | |
497 | ||
498 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
499 | gfc_add_block_to_block (block, &se.pre); |
500 | ||
5e805e44 | 501 | if (p->param_type == IOPARM_ptype_common) |
44855d8c TS |
502 | var = fold_build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
503 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 504 | |
44855d8c | 505 | tmp = fold_build3 (COMPONENT_REF, dest_type, var, p->field, NULL_TREE); |
726a989a | 506 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 507 | return p->mask; |
6de9cd9a DN |
508 | } |
509 | ||
510 | ||
49de9e73 | 511 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 512 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 513 | |
5e805e44 JJ |
514 | static unsigned int |
515 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
516 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
517 | { |
518 | gfc_se se; | |
5e805e44 JJ |
519 | tree tmp, addr; |
520 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 521 | |
5e805e44 | 522 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 523 | gfc_init_se (&se, NULL); |
5e805e44 | 524 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 525 | |
6de9cd9a DN |
526 | gfc_add_block_to_block (block, &se.pre); |
527 | ||
5e805e44 JJ |
528 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
529 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 530 | { |
628c189e | 531 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
532 | |
533 | /* If this is for the iostat variable initialize the | |
d74b97cc | 534 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 535 | if (type == IOPARM_common_iostat) |
726a989a | 536 | gfc_add_modify (block, se.expr, |
d74b97cc | 537 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 538 | } |
5e805e44 JJ |
539 | else |
540 | { | |
541 | /* The type used by the library has different size | |
f96d606f JD |
542 | from the type of the variable supplied by the user. |
543 | Need to use a temporary. */ | |
544 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
545 | st_parameter_field[type].name); | |
546 | ||
547 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 548 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 549 | if (type == IOPARM_common_iostat) |
726a989a | 550 | gfc_add_modify (block, tmpvar, |
d74b97cc | 551 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 552 | |
628c189e | 553 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 554 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 555 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 556 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 557 | } |
5e805e44 JJ |
558 | |
559 | if (p->param_type == IOPARM_ptype_common) | |
44855d8c TS |
560 | var = fold_build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
561 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
562 | tmp = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), | |
563 | var, p->field, NULL_TREE); | |
726a989a | 564 | gfc_add_modify (block, tmp, addr); |
5e805e44 | 565 | return p->mask; |
6de9cd9a DN |
566 | } |
567 | ||
d3642f89 FW |
568 | /* Given an array expr, find its address and length to get a string. If the |
569 | array is full, the string's address is the address of array's first element | |
570 | and the length is the size of the whole array. If it is an element, the | |
571 | string's address is the element's address and the length is the rest size of | |
572 | the array. | |
573 | */ | |
574 | ||
575 | static void | |
576 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
577 | { | |
578 | tree tmp; | |
579 | tree array; | |
580 | tree type; | |
581 | tree size; | |
582 | int rank; | |
583 | gfc_symbol *sym; | |
584 | ||
585 | sym = e->symtree->n.sym; | |
586 | rank = sym->as->rank - 1; | |
587 | ||
588 | if (e->ref->u.ar.type == AR_FULL) | |
589 | { | |
590 | se->expr = gfc_get_symbol_decl (sym); | |
591 | se->expr = gfc_conv_array_data (se->expr); | |
592 | } | |
593 | else | |
594 | { | |
595 | gfc_conv_expr (se, e); | |
596 | } | |
597 | ||
598 | array = sym->backend_decl; | |
599 | type = TREE_TYPE (array); | |
600 | ||
601 | if (GFC_ARRAY_TYPE_P (type)) | |
602 | size = GFC_TYPE_ARRAY_SIZE (type); | |
603 | else | |
604 | { | |
605 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
606 | size = gfc_conv_array_stride (array, rank); | |
607 | tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type, | |
608 | gfc_conv_array_ubound (array, rank), | |
609 | gfc_conv_array_lbound (array, rank)); | |
610 | tmp = fold_build2 (PLUS_EXPR, gfc_array_index_type, tmp, | |
611 | gfc_index_one_node); | |
612 | size = fold_build2 (MULT_EXPR, gfc_array_index_type, tmp, size); | |
613 | } | |
614 | ||
615 | gcc_assert (size); | |
616 | ||
617 | /* If it is an element, we need the its address and size of the rest. */ | |
618 | if (e->ref->u.ar.type == AR_ELEMENT) | |
619 | { | |
620 | size = fold_build2 (MINUS_EXPR, gfc_array_index_type, size, | |
621 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 622 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
d3642f89 FW |
623 | } |
624 | ||
625 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); | |
553b66ad RG |
626 | size = fold_build2 (MULT_EXPR, gfc_array_index_type, size, |
627 | fold_convert (gfc_array_index_type, tmp)); | |
d3642f89 FW |
628 | |
629 | se->string_length = fold_convert (gfc_charlen_type_node, size); | |
630 | } | |
6de9cd9a | 631 | |
109b0ac2 | 632 | |
6de9cd9a | 633 | /* Generate code to store a string and its length into the |
5e805e44 | 634 | st_parameter_XXX structure. */ |
6de9cd9a | 635 | |
5e805e44 | 636 | static unsigned int |
6de9cd9a | 637 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 638 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
639 | { |
640 | gfc_se se; | |
641 | tree tmp; | |
6de9cd9a DN |
642 | tree io; |
643 | tree len; | |
5e805e44 | 644 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
645 | |
646 | gfc_init_se (&se, NULL); | |
6de9cd9a | 647 | |
5e805e44 | 648 | if (p->param_type == IOPARM_ptype_common) |
44855d8c TS |
649 | var = fold_build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
650 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
651 | io = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), | |
652 | var, p->field, NULL_TREE); | |
653 | len = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field_len), | |
654 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 655 | |
7ab92584 | 656 | /* Integer variable assigned a format label. */ |
6de9cd9a DN |
657 | if (e->ts.type == BT_INTEGER && e->symtree->n.sym->attr.assign == 1) |
658 | { | |
dd18a33b | 659 | char * msg; |
c8fe94c7 | 660 | tree cond; |
dd18a33b | 661 | |
ce2df7c6 | 662 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 663 | tmp = GFC_DECL_STRING_LEN (se.expr); |
c8fe94c7 FXC |
664 | cond = fold_build2 (LT_EXPR, boolean_type_node, |
665 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 666 | |
c8fe94c7 FXC |
667 | asprintf(&msg, "Label assigned to variable '%s' (%%ld) is not a format " |
668 | "label", e->symtree->name); | |
0d52899f | 669 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 670 | fold_convert (long_integer_type_node, tmp)); |
dd18a33b FXC |
671 | gfc_free (msg); |
672 | ||
726a989a | 673 | gfc_add_modify (&se.pre, io, |
b078dfbf | 674 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 675 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
676 | } |
677 | else | |
678 | { | |
d3642f89 FW |
679 | /* General character. */ |
680 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
681 | gfc_conv_expr (&se, e); | |
682 | /* Array assigned Hollerith constant or character array. */ | |
683 | else if (e->symtree && (e->symtree->n.sym->as->rank > 0)) | |
684 | gfc_convert_array_to_string (&se, e); | |
685 | else | |
686 | gcc_unreachable (); | |
687 | ||
6de9cd9a | 688 | gfc_conv_string_parameter (&se); |
726a989a RB |
689 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
690 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
691 | } |
692 | ||
693 | gfc_add_block_to_block (block, &se.pre); | |
694 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 695 | return p->mask; |
6de9cd9a DN |
696 | } |
697 | ||
698 | ||
109b0ac2 PT |
699 | /* Generate code to store the character (array) and the character length |
700 | for an internal unit. */ | |
701 | ||
5e805e44 | 702 | static unsigned int |
d4feb3d3 PT |
703 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
704 | tree var, gfc_expr * e) | |
109b0ac2 PT |
705 | { |
706 | gfc_se se; | |
707 | tree io; | |
708 | tree len; | |
709 | tree desc; | |
710 | tree tmp; | |
5e805e44 JJ |
711 | gfc_st_parameter_field *p; |
712 | unsigned int mask; | |
109b0ac2 PT |
713 | |
714 | gfc_init_se (&se, NULL); | |
715 | ||
5e805e44 JJ |
716 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
717 | mask = p->mask; | |
44855d8c TS |
718 | io = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), |
719 | var, p->field, NULL_TREE); | |
720 | len = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field_len), | |
721 | var, p->field_len, NULL_TREE); | |
5e805e44 | 722 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
44855d8c TS |
723 | desc = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), |
724 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
725 | |
726 | gcc_assert (e->ts.type == BT_CHARACTER); | |
727 | ||
728 | /* Character scalars. */ | |
729 | if (e->rank == 0) | |
730 | { | |
731 | gfc_conv_expr (&se, e); | |
732 | gfc_conv_string_parameter (&se); | |
733 | tmp = se.expr; | |
c3238e32 | 734 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
735 | } |
736 | ||
737 | /* Character array. */ | |
64db4d29 | 738 | else if (e->rank > 0) |
109b0ac2 PT |
739 | { |
740 | se.ss = gfc_walk_expr (e); | |
741 | ||
1d6b7f39 | 742 | if (is_subref_array (e)) |
d4feb3d3 PT |
743 | { |
744 | /* Use a temporary for components of arrays of derived types | |
745 | or substring array references. */ | |
1d6b7f39 | 746 | gfc_conv_subref_array_arg (&se, e, 0, |
d4feb3d3 PT |
747 | last_dt == READ ? INTENT_IN : INTENT_OUT); |
748 | tmp = build_fold_indirect_ref (se.expr); | |
749 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); | |
750 | tmp = gfc_conv_descriptor_data_get (tmp); | |
751 | } | |
752 | else | |
753 | { | |
754 | /* Return the data pointer and rank from the descriptor. */ | |
755 | gfc_conv_expr_descriptor (&se, e, se.ss); | |
756 | tmp = gfc_conv_descriptor_data_get (se.expr); | |
757 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
758 | } | |
109b0ac2 PT |
759 | } |
760 | else | |
761 | gcc_unreachable (); | |
762 | ||
763 | /* The cast is needed for character substrings and the descriptor | |
764 | data. */ | |
726a989a RB |
765 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
766 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 767 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 768 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
769 | |
770 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 771 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 772 | return mask; |
109b0ac2 PT |
773 | } |
774 | ||
6de9cd9a DN |
775 | /* Add a case to a IO-result switch. */ |
776 | ||
777 | static void | |
778 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
779 | { | |
780 | tree tmp, value; | |
781 | ||
782 | if (label == NULL) | |
783 | return; /* No label, no case */ | |
784 | ||
7d60be94 | 785 | value = build_int_cst (NULL_TREE, label_value); |
6de9cd9a DN |
786 | |
787 | /* Make a backend label for this case. */ | |
c006df4e | 788 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
789 | |
790 | /* And the case itself. */ | |
923ab88c | 791 | tmp = build3_v (CASE_LABEL_EXPR, value, NULL_TREE, tmp); |
6de9cd9a DN |
792 | gfc_add_expr_to_block (body, tmp); |
793 | ||
794 | /* Jump to the label. */ | |
795 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
796 | gfc_add_expr_to_block (body, tmp); | |
797 | } | |
798 | ||
799 | ||
800 | /* Generate a switch statement that branches to the correct I/O | |
801 | result label. The last statement of an I/O call stores the | |
802 | result into a variable because there is often cleanup that | |
803 | must be done before the switch, so a temporary would have to | |
804 | be created anyway. */ | |
805 | ||
806 | static void | |
5e805e44 | 807 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
808 | gfc_st_label * end_label, gfc_st_label * eor_label) |
809 | { | |
810 | stmtblock_t body; | |
811 | tree tmp, rc; | |
5e805e44 | 812 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
813 | |
814 | /* If no labels are specified, ignore the result instead | |
815 | of building an empty switch. */ | |
816 | if (err_label == NULL | |
817 | && end_label == NULL | |
818 | && eor_label == NULL) | |
819 | return; | |
820 | ||
821 | /* Build a switch statement. */ | |
822 | gfc_start_block (&body); | |
823 | ||
824 | /* The label values here must be the same as the values | |
825 | in the library_return enum in the runtime library */ | |
826 | add_case (1, err_label, &body); | |
827 | add_case (2, end_label, &body); | |
828 | add_case (3, eor_label, &body); | |
829 | ||
830 | tmp = gfc_finish_block (&body); | |
831 | ||
44855d8c TS |
832 | var = fold_build3 (COMPONENT_REF, st_parameter[IOPARM_ptype_common].type, |
833 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
834 | rc = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), | |
835 | var, p->field, NULL_TREE); | |
836 | rc = fold_build2 (BIT_AND_EXPR, TREE_TYPE (rc), | |
837 | rc, build_int_cst (TREE_TYPE (rc), | |
838 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 839 | |
923ab88c | 840 | tmp = build3_v (SWITCH_EXPR, rc, tmp, NULL_TREE); |
6de9cd9a DN |
841 | |
842 | gfc_add_expr_to_block (block, tmp); | |
843 | } | |
844 | ||
845 | ||
846 | /* Store the current file and line number to variables so that if a | |
847 | library call goes awry, we can tell the user where the problem is. */ | |
848 | ||
849 | static void | |
5e805e44 | 850 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
851 | { |
852 | gfc_file *f; | |
5e805e44 | 853 | tree str, locus_file; |
6de9cd9a | 854 | int line; |
5e805e44 | 855 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 856 | |
44855d8c TS |
857 | locus_file = fold_build3 (COMPONENT_REF, |
858 | st_parameter[IOPARM_ptype_common].type, | |
859 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
860 | locus_file = fold_build3 (COMPONENT_REF, TREE_TYPE (p->field), | |
861 | locus_file, p->field, NULL_TREE); | |
d4fa05b9 | 862 | f = where->lb->file; |
5e805e44 | 863 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 864 | |
5e805e44 | 865 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 866 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 867 | |
c8cc8542 | 868 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 869 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
870 | } |
871 | ||
872 | ||
873 | /* Translate an OPEN statement. */ | |
874 | ||
875 | tree | |
876 | gfc_trans_open (gfc_code * code) | |
877 | { | |
878 | stmtblock_t block, post_block; | |
879 | gfc_open *p; | |
5e805e44 JJ |
880 | tree tmp, var; |
881 | unsigned int mask = 0; | |
6de9cd9a | 882 | |
5e805e44 | 883 | gfc_start_block (&block); |
6de9cd9a DN |
884 | gfc_init_block (&post_block); |
885 | ||
5e805e44 JJ |
886 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
887 | ||
888 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
889 | p = code->ext.open; |
890 | ||
f96d606f JD |
891 | if (p->iomsg) |
892 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
893 | p->iomsg); | |
894 | ||
895 | if (p->iostat) | |
896 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
897 | p->iostat); | |
898 | ||
899 | if (p->err) | |
900 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
901 | |
902 | if (p->file) | |
5e805e44 | 903 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
904 | |
905 | if (p->status) | |
5e805e44 JJ |
906 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
907 | p->status); | |
6de9cd9a DN |
908 | |
909 | if (p->access) | |
5e805e44 JJ |
910 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
911 | p->access); | |
6de9cd9a DN |
912 | |
913 | if (p->form) | |
5e805e44 | 914 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
915 | |
916 | if (p->recl) | |
5e805e44 | 917 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, p->recl); |
6de9cd9a DN |
918 | |
919 | if (p->blank) | |
5e805e44 JJ |
920 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
921 | p->blank); | |
6de9cd9a DN |
922 | |
923 | if (p->position) | |
5e805e44 JJ |
924 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
925 | p->position); | |
6de9cd9a DN |
926 | |
927 | if (p->action) | |
5e805e44 JJ |
928 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
929 | p->action); | |
6de9cd9a DN |
930 | |
931 | if (p->delim) | |
5e805e44 JJ |
932 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
933 | p->delim); | |
6de9cd9a DN |
934 | |
935 | if (p->pad) | |
5e805e44 | 936 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 937 | |
6f0f0b2e JD |
938 | if (p->decimal) |
939 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
940 | p->decimal); | |
941 | ||
942 | if (p->encoding) | |
943 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
944 | p->encoding); | |
945 | ||
946 | if (p->round) | |
947 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
948 | ||
949 | if (p->sign) | |
950 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
951 | ||
952 | if (p->asynchronous) | |
953 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
954 | p->asynchronous); | |
955 | ||
181c9f4a TK |
956 | if (p->convert) |
957 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
958 | p->convert); | |
959 | ||
5e805e44 JJ |
960 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
961 | ||
f96d606f JD |
962 | if (p->unit) |
963 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
964 | else | |
965 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
966 | ||
628c189e | 967 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
5039610b | 968 | tmp = build_call_expr (iocall[IOCALL_OPEN], 1, tmp); |
6de9cd9a DN |
969 | gfc_add_expr_to_block (&block, tmp); |
970 | ||
971 | gfc_add_block_to_block (&block, &post_block); | |
972 | ||
5e805e44 | 973 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
974 | |
975 | return gfc_finish_block (&block); | |
976 | } | |
977 | ||
978 | ||
979 | /* Translate a CLOSE statement. */ | |
980 | ||
981 | tree | |
982 | gfc_trans_close (gfc_code * code) | |
983 | { | |
984 | stmtblock_t block, post_block; | |
985 | gfc_close *p; | |
5e805e44 JJ |
986 | tree tmp, var; |
987 | unsigned int mask = 0; | |
6de9cd9a | 988 | |
5e805e44 | 989 | gfc_start_block (&block); |
6de9cd9a DN |
990 | gfc_init_block (&post_block); |
991 | ||
5e805e44 JJ |
992 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
993 | ||
994 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
995 | p = code->ext.close; |
996 | ||
7aba8abe | 997 | if (p->iomsg) |
5e805e44 JJ |
998 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
999 | p->iomsg); | |
7aba8abe | 1000 | |
6de9cd9a | 1001 | if (p->iostat) |
5e805e44 JJ |
1002 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1003 | p->iostat); | |
6de9cd9a DN |
1004 | |
1005 | if (p->err) | |
5e805e44 JJ |
1006 | mask |= IOPARM_common_err; |
1007 | ||
f96d606f JD |
1008 | if (p->status) |
1009 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1010 | p->status); | |
1011 | ||
5e805e44 | 1012 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1013 | |
f96d606f JD |
1014 | if (p->unit) |
1015 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1016 | else | |
1017 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1018 | ||
628c189e | 1019 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
5039610b | 1020 | tmp = build_call_expr (iocall[IOCALL_CLOSE], 1, tmp); |
6de9cd9a DN |
1021 | gfc_add_expr_to_block (&block, tmp); |
1022 | ||
1023 | gfc_add_block_to_block (&block, &post_block); | |
1024 | ||
5e805e44 | 1025 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1026 | |
1027 | return gfc_finish_block (&block); | |
1028 | } | |
1029 | ||
1030 | ||
1031 | /* Common subroutine for building a file positioning statement. */ | |
1032 | ||
1033 | static tree | |
1034 | build_filepos (tree function, gfc_code * code) | |
1035 | { | |
7aba8abe | 1036 | stmtblock_t block, post_block; |
6de9cd9a | 1037 | gfc_filepos *p; |
5e805e44 JJ |
1038 | tree tmp, var; |
1039 | unsigned int mask = 0; | |
6de9cd9a DN |
1040 | |
1041 | p = code->ext.filepos; | |
1042 | ||
5e805e44 | 1043 | gfc_start_block (&block); |
7aba8abe | 1044 | gfc_init_block (&post_block); |
6de9cd9a | 1045 | |
5e805e44 JJ |
1046 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1047 | "filepos_parm"); | |
1048 | ||
1049 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1050 | |
7aba8abe | 1051 | if (p->iomsg) |
5e805e44 JJ |
1052 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1053 | p->iomsg); | |
7aba8abe | 1054 | |
6de9cd9a | 1055 | if (p->iostat) |
5e805e44 JJ |
1056 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1057 | p->iostat); | |
6de9cd9a DN |
1058 | |
1059 | if (p->err) | |
5e805e44 JJ |
1060 | mask |= IOPARM_common_err; |
1061 | ||
1062 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1063 | |
f96d606f JD |
1064 | if (p->unit) |
1065 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1066 | else | |
1067 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1068 | ||
628c189e | 1069 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
5039610b | 1070 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a DN |
1071 | gfc_add_expr_to_block (&block, tmp); |
1072 | ||
7aba8abe TK |
1073 | gfc_add_block_to_block (&block, &post_block); |
1074 | ||
5e805e44 | 1075 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1076 | |
1077 | return gfc_finish_block (&block); | |
1078 | } | |
1079 | ||
1080 | ||
1081 | /* Translate a BACKSPACE statement. */ | |
1082 | ||
1083 | tree | |
1084 | gfc_trans_backspace (gfc_code * code) | |
1085 | { | |
5e805e44 | 1086 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1087 | } |
1088 | ||
1089 | ||
1090 | /* Translate an ENDFILE statement. */ | |
1091 | ||
1092 | tree | |
1093 | gfc_trans_endfile (gfc_code * code) | |
1094 | { | |
5e805e44 | 1095 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1096 | } |
1097 | ||
1098 | ||
1099 | /* Translate a REWIND statement. */ | |
1100 | ||
1101 | tree | |
1102 | gfc_trans_rewind (gfc_code * code) | |
1103 | { | |
5e805e44 | 1104 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1105 | } |
1106 | ||
1107 | ||
6403ec5f JB |
1108 | /* Translate a FLUSH statement. */ |
1109 | ||
1110 | tree | |
1111 | gfc_trans_flush (gfc_code * code) | |
1112 | { | |
5e805e44 | 1113 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1114 | } |
1115 | ||
1116 | ||
c16dd6a8 JD |
1117 | /* Create a dummy iostat variable to catch any error due to bad unit. */ |
1118 | ||
1119 | static gfc_expr * | |
1120 | create_dummy_iostat (void) | |
1121 | { | |
1122 | gfc_symtree *st; | |
1123 | gfc_expr *e; | |
1124 | ||
1125 | gfc_get_ha_sym_tree ("@iostat", &st); | |
1126 | st->n.sym->ts.type = BT_INTEGER; | |
1127 | st->n.sym->ts.kind = gfc_default_integer_kind; | |
1128 | gfc_set_sym_referenced (st->n.sym); | |
bc9d9552 | 1129 | gfc_commit_symbol (st->n.sym); |
c16dd6a8 JD |
1130 | st->n.sym->backend_decl |
1131 | = gfc_create_var (gfc_get_int_type (st->n.sym->ts.kind), | |
1132 | st->n.sym->name); | |
1133 | ||
1134 | e = gfc_get_expr (); | |
1135 | e->expr_type = EXPR_VARIABLE; | |
1136 | e->symtree = st; | |
1137 | e->ts.type = BT_INTEGER; | |
1138 | e->ts.kind = st->n.sym->ts.kind; | |
1139 | ||
1140 | return e; | |
1141 | } | |
1142 | ||
1143 | ||
6de9cd9a DN |
1144 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1145 | ||
1146 | tree | |
1147 | gfc_trans_inquire (gfc_code * code) | |
1148 | { | |
1149 | stmtblock_t block, post_block; | |
1150 | gfc_inquire *p; | |
5e805e44 | 1151 | tree tmp, var; |
6f0f0b2e | 1152 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1153 | |
5e805e44 | 1154 | gfc_start_block (&block); |
6de9cd9a DN |
1155 | gfc_init_block (&post_block); |
1156 | ||
5e805e44 JJ |
1157 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1158 | "inquire_parm"); | |
1159 | ||
1160 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1161 | p = code->ext.inquire; |
1162 | ||
7aba8abe | 1163 | if (p->iomsg) |
5e805e44 JJ |
1164 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1165 | p->iomsg); | |
7aba8abe | 1166 | |
6de9cd9a | 1167 | if (p->iostat) |
5e805e44 JJ |
1168 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1169 | p->iostat); | |
6de9cd9a | 1170 | |
f96d606f JD |
1171 | if (p->err) |
1172 | mask |= IOPARM_common_err; | |
1173 | ||
1174 | /* Sanity check. */ | |
1175 | if (p->unit && p->file) | |
1176 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1177 | ||
1178 | if (p->file) | |
1179 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1180 | p->file); | |
1181 | ||
6de9cd9a | 1182 | if (p->exist) |
c16dd6a8 JD |
1183 | { |
1184 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, | |
1185 | p->exist); | |
1186 | ||
1187 | if (p->unit && !p->iostat) | |
1188 | { | |
1189 | p->iostat = create_dummy_iostat (); | |
1190 | mask |= set_parameter_ref (&block, &post_block, var, | |
1191 | IOPARM_common_iostat, p->iostat); | |
1192 | } | |
1193 | } | |
6de9cd9a DN |
1194 | |
1195 | if (p->opened) | |
5e805e44 JJ |
1196 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1197 | p->opened); | |
6de9cd9a DN |
1198 | |
1199 | if (p->number) | |
5e805e44 JJ |
1200 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1201 | p->number); | |
6de9cd9a DN |
1202 | |
1203 | if (p->named) | |
5e805e44 JJ |
1204 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1205 | p->named); | |
6de9cd9a DN |
1206 | |
1207 | if (p->name) | |
5e805e44 JJ |
1208 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1209 | p->name); | |
6de9cd9a DN |
1210 | |
1211 | if (p->access) | |
5e805e44 JJ |
1212 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1213 | p->access); | |
6de9cd9a DN |
1214 | |
1215 | if (p->sequential) | |
5e805e44 JJ |
1216 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1217 | p->sequential); | |
6de9cd9a DN |
1218 | |
1219 | if (p->direct) | |
5e805e44 JJ |
1220 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1221 | p->direct); | |
6de9cd9a DN |
1222 | |
1223 | if (p->form) | |
5e805e44 JJ |
1224 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1225 | p->form); | |
6de9cd9a DN |
1226 | |
1227 | if (p->formatted) | |
5e805e44 JJ |
1228 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1229 | p->formatted); | |
6de9cd9a DN |
1230 | |
1231 | if (p->unformatted) | |
5e805e44 JJ |
1232 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1233 | p->unformatted); | |
6de9cd9a DN |
1234 | |
1235 | if (p->recl) | |
5e805e44 JJ |
1236 | mask |= set_parameter_ref (&block, &post_block, var, |
1237 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1238 | |
1239 | if (p->nextrec) | |
5e805e44 JJ |
1240 | mask |= set_parameter_ref (&block, &post_block, var, |
1241 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1242 | |
1243 | if (p->blank) | |
5e805e44 JJ |
1244 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1245 | p->blank); | |
6de9cd9a | 1246 | |
d06b3496 JD |
1247 | if (p->delim) |
1248 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1249 | p->delim); | |
1250 | ||
6de9cd9a | 1251 | if (p->position) |
5e805e44 JJ |
1252 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1253 | p->position); | |
6de9cd9a DN |
1254 | |
1255 | if (p->action) | |
5e805e44 JJ |
1256 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1257 | p->action); | |
6de9cd9a DN |
1258 | |
1259 | if (p->read) | |
5e805e44 JJ |
1260 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1261 | p->read); | |
6de9cd9a DN |
1262 | |
1263 | if (p->write) | |
5e805e44 JJ |
1264 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1265 | p->write); | |
6de9cd9a DN |
1266 | |
1267 | if (p->readwrite) | |
5e805e44 JJ |
1268 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1269 | p->readwrite); | |
6de9cd9a | 1270 | |
dae24534 | 1271 | if (p->pad) |
5e805e44 JJ |
1272 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1273 | p->pad); | |
d06b3496 | 1274 | |
181c9f4a TK |
1275 | if (p->convert) |
1276 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1277 | p->convert); | |
1278 | ||
014ec6ee JD |
1279 | if (p->strm_pos) |
1280 | mask |= set_parameter_ref (&block, &post_block, var, | |
1281 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1282 | ||
6f0f0b2e JD |
1283 | /* The second series of flags. */ |
1284 | if (p->asynchronous) | |
1285 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1286 | p->asynchronous); | |
1287 | ||
1288 | if (p->decimal) | |
1289 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1290 | p->decimal); | |
1291 | ||
1292 | if (p->encoding) | |
1293 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1294 | p->encoding); | |
1295 | ||
1296 | if (p->round) | |
1297 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1298 | p->round); | |
1299 | ||
1300 | if (p->sign) | |
1301 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1302 | p->sign); | |
1303 | ||
1304 | if (p->pending) | |
1305 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1306 | IOPARM_inquire_pending, p->pending); | |
1307 | ||
1308 | if (p->size) | |
1309 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1310 | p->size); | |
1311 | ||
1312 | if (p->id) | |
d06b3496 JD |
1313 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1314 | p->id); | |
6f0f0b2e | 1315 | |
6f0f0b2e | 1316 | if (mask2) |
e1456843 | 1317 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1318 | |
5e805e44 | 1319 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1320 | |
f96d606f JD |
1321 | if (p->unit) |
1322 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1323 | else | |
1324 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1325 | ||
628c189e | 1326 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
5039610b | 1327 | tmp = build_call_expr (iocall[IOCALL_INQUIRE], 1, tmp); |
6de9cd9a DN |
1328 | gfc_add_expr_to_block (&block, tmp); |
1329 | ||
1330 | gfc_add_block_to_block (&block, &post_block); | |
1331 | ||
5e805e44 | 1332 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1333 | |
1334 | return gfc_finish_block (&block); | |
1335 | } | |
1336 | ||
6f0f0b2e JD |
1337 | |
1338 | tree | |
1339 | gfc_trans_wait (gfc_code * code) | |
1340 | { | |
1341 | stmtblock_t block, post_block; | |
1342 | gfc_wait *p; | |
1343 | tree tmp, var; | |
1344 | unsigned int mask = 0; | |
1345 | ||
1346 | gfc_start_block (&block); | |
1347 | gfc_init_block (&post_block); | |
1348 | ||
1349 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1350 | "wait_parm"); | |
1351 | ||
1352 | set_error_locus (&block, var, &code->loc); | |
1353 | p = code->ext.wait; | |
1354 | ||
1355 | /* Set parameters here. */ | |
1356 | if (p->iomsg) | |
1357 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1358 | p->iomsg); | |
1359 | ||
1360 | if (p->iostat) | |
1361 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1362 | p->iostat); | |
1363 | ||
1364 | if (p->err) | |
1365 | mask |= IOPARM_common_err; | |
1366 | ||
1367 | if (p->id) | |
1368 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); | |
1369 | ||
1370 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1371 | ||
1372 | if (p->unit) | |
1373 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1374 | ||
628c189e | 1375 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
6f0f0b2e JD |
1376 | tmp = build_call_expr (iocall[IOCALL_WAIT], 1, tmp); |
1377 | gfc_add_expr_to_block (&block, tmp); | |
1378 | ||
1379 | gfc_add_block_to_block (&block, &post_block); | |
1380 | ||
1381 | io_result (&block, var, p->err, NULL, NULL); | |
1382 | ||
1383 | return gfc_finish_block (&block); | |
1384 | ||
1385 | } | |
1386 | ||
6de9cd9a | 1387 | static gfc_expr * |
cb9e4f55 | 1388 | gfc_new_nml_name_expr (const char * name) |
6de9cd9a DN |
1389 | { |
1390 | gfc_expr * nml_name; | |
29dc5138 | 1391 | |
6de9cd9a DN |
1392 | nml_name = gfc_get_expr(); |
1393 | nml_name->ref = NULL; | |
1394 | nml_name->expr_type = EXPR_CONSTANT; | |
9d64df18 | 1395 | nml_name->ts.kind = gfc_default_character_kind; |
6de9cd9a DN |
1396 | nml_name->ts.type = BT_CHARACTER; |
1397 | nml_name->value.character.length = strlen(name); | |
00660189 | 1398 | nml_name->value.character.string = gfc_char_to_widechar (name); |
6de9cd9a DN |
1399 | |
1400 | return nml_name; | |
1401 | } | |
1402 | ||
29dc5138 | 1403 | /* nml_full_name builds up the fully qualified name of a |
66e4ab31 | 1404 | derived type component. */ |
29dc5138 PT |
1405 | |
1406 | static char* | |
1407 | nml_full_name (const char* var_name, const char* cmp_name) | |
6de9cd9a | 1408 | { |
29dc5138 PT |
1409 | int full_name_length; |
1410 | char * full_name; | |
1411 | ||
1412 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
1413 | full_name = (char*)gfc_getmem (full_name_length + 1); | |
1414 | strcpy (full_name, var_name); | |
1415 | full_name = strcat (full_name, "%"); | |
1416 | full_name = strcat (full_name, cmp_name); | |
1417 | return full_name; | |
6de9cd9a DN |
1418 | } |
1419 | ||
29dc5138 PT |
1420 | /* nml_get_addr_expr builds an address expression from the |
1421 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1422 | provided so that the address of an element of an array of | |
1423 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1424 | determine that span of the derived type. */ |
29dc5138 PT |
1425 | |
1426 | static tree | |
1427 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1428 | tree base_addr) | |
1429 | { | |
1430 | tree decl = NULL_TREE; | |
1431 | tree tmp; | |
1432 | tree itmp; | |
1433 | int array_flagged; | |
1434 | int dummy_arg_flagged; | |
1435 | ||
1436 | if (sym) | |
1437 | { | |
1438 | sym->attr.referenced = 1; | |
1439 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1440 | |
1441 | /* If this is the enclosing function declaration, use | |
1442 | the fake result instead. */ | |
1443 | if (decl == current_function_decl) | |
1444 | decl = gfc_get_fake_result_decl (sym, 0); | |
1445 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1446 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1447 | } |
1448 | else | |
1449 | decl = c->backend_decl; | |
1450 | ||
1451 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1452 | || TREE_CODE (decl) == VAR_DECL | |
1453 | || TREE_CODE (decl) == PARM_DECL) | |
1454 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1455 | ||
1456 | tmp = decl; | |
1457 | ||
1458 | /* Build indirect reference, if dummy argument. */ | |
1459 | ||
1460 | dummy_arg_flagged = POINTER_TYPE_P (TREE_TYPE(tmp)); | |
1461 | ||
38611275 | 1462 | itmp = (dummy_arg_flagged) ? build_fold_indirect_ref (tmp) : tmp; |
29dc5138 PT |
1463 | |
1464 | /* If an array, set flag and use indirect ref. if built. */ | |
1465 | ||
1466 | array_flagged = (TREE_CODE (TREE_TYPE (itmp)) == ARRAY_TYPE | |
1467 | && !TYPE_STRING_FLAG (TREE_TYPE (itmp))); | |
1468 | ||
1469 | if (array_flagged) | |
1470 | tmp = itmp; | |
1471 | ||
1472 | /* Treat the component of a derived type, using base_addr for | |
1473 | the derived type. */ | |
1474 | ||
1475 | if (TREE_CODE (decl) == FIELD_DECL) | |
44855d8c TS |
1476 | tmp = fold_build3 (COMPONENT_REF, TREE_TYPE (tmp), |
1477 | base_addr, tmp, NULL_TREE); | |
29dc5138 PT |
1478 | |
1479 | /* If we have a derived type component, a reference to the first | |
1480 | element of the array is built. This is done so that base_addr, | |
1481 | used in the build of the component reference, always points to | |
1482 | a RECORD_TYPE. */ | |
1483 | ||
1484 | if (array_flagged) | |
1d6b7f39 | 1485 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); |
29dc5138 PT |
1486 | |
1487 | /* Now build the address expression. */ | |
1488 | ||
628c189e | 1489 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
29dc5138 PT |
1490 | |
1491 | /* If scalar dummy, resolve indirect reference now. */ | |
1492 | ||
1493 | if (dummy_arg_flagged && !array_flagged) | |
38611275 | 1494 | tmp = build_fold_indirect_ref (tmp); |
29dc5138 PT |
1495 | |
1496 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1497 | ||
1498 | return tmp; | |
1499 | } | |
3bc268e6 | 1500 | |
29dc5138 | 1501 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1502 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1503 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1504 | |
29dc5138 | 1505 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1506 | |
1507 | static void | |
29dc5138 PT |
1508 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1509 | gfc_symbol * sym, gfc_component * c, | |
1510 | tree base_addr) | |
3bc268e6 | 1511 | { |
29dc5138 PT |
1512 | gfc_typespec * ts = NULL; |
1513 | gfc_array_spec * as = NULL; | |
1514 | tree addr_expr = NULL; | |
1515 | tree dt = NULL; | |
1516 | tree string; | |
1517 | tree tmp; | |
29dc5138 | 1518 | tree dtype; |
5e805e44 | 1519 | tree dt_parm_addr; |
29dc5138 PT |
1520 | int n_dim; |
1521 | int itype; | |
1522 | int rank = 0; | |
3bc268e6 | 1523 | |
29dc5138 | 1524 | gcc_assert (sym || c); |
3bc268e6 | 1525 | |
29dc5138 PT |
1526 | /* Build the namelist object name. */ |
1527 | ||
1528 | string = gfc_build_cstring_const (var_name); | |
1529 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1530 | ||
1531 | /* Build ts, as and data address using symbol or component. */ | |
1532 | ||
1533 | ts = (sym) ? &sym->ts : &c->ts; | |
1534 | as = (sym) ? sym->as : c->as; | |
1535 | ||
1536 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1537 | ||
1538 | if (as) | |
1539 | rank = as->rank; | |
1540 | ||
1541 | if (rank) | |
3bc268e6 | 1542 | { |
29dc5138 PT |
1543 | dt = TREE_TYPE ((sym) ? sym->backend_decl : c->backend_decl); |
1544 | dtype = gfc_get_dtype (dt); | |
3bc268e6 | 1545 | } |
29dc5138 PT |
1546 | else |
1547 | { | |
1548 | itype = GFC_DTYPE_UNKNOWN; | |
3bc268e6 | 1549 | |
29dc5138 | 1550 | switch (ts->type) |
3bc268e6 | 1551 | |
29dc5138 PT |
1552 | { |
1553 | case BT_INTEGER: | |
1554 | itype = GFC_DTYPE_INTEGER; | |
1555 | break; | |
1556 | case BT_LOGICAL: | |
1557 | itype = GFC_DTYPE_LOGICAL; | |
1558 | break; | |
1559 | case BT_REAL: | |
1560 | itype = GFC_DTYPE_REAL; | |
1561 | break; | |
1562 | case BT_COMPLEX: | |
1563 | itype = GFC_DTYPE_COMPLEX; | |
1564 | break; | |
1565 | case BT_DERIVED: | |
1566 | itype = GFC_DTYPE_DERIVED; | |
1567 | break; | |
1568 | case BT_CHARACTER: | |
1569 | itype = GFC_DTYPE_CHARACTER; | |
1570 | break; | |
1571 | default: | |
1572 | gcc_unreachable (); | |
1573 | } | |
1574 | ||
1575 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); | |
3bc268e6 VL |
1576 | } |
1577 | ||
29dc5138 PT |
1578 | /* Build up the arguments for the transfer call. |
1579 | The call for the scalar part transfers: | |
1580 | (address, name, type, kind or string_length, dtype) */ | |
1581 | ||
628c189e | 1582 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 PT |
1583 | |
1584 | if (ts->type == BT_CHARACTER) | |
5039610b | 1585 | tmp = ts->cl->backend_decl; |
29dc5138 | 1586 | else |
5039610b SL |
1587 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
1588 | tmp = build_call_expr (iocall[IOCALL_SET_NML_VAL], 6, | |
1589 | dt_parm_addr, addr_expr, string, | |
1590 | IARG (ts->kind), tmp, dtype); | |
3bc268e6 | 1591 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1592 | |
1593 | /* If the object is an array, transfer rank times: | |
1594 | (null pointer, name, stride, lbound, ubound) */ | |
1595 | ||
1596 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1597 | { | |
5039610b SL |
1598 | tmp = build_call_expr (iocall[IOCALL_SET_NML_VAL_DIM], 5, |
1599 | dt_parm_addr, | |
1600 | IARG (n_dim), | |
1601 | GFC_TYPE_ARRAY_STRIDE (dt, n_dim), | |
1602 | GFC_TYPE_ARRAY_LBOUND (dt, n_dim), | |
1603 | GFC_TYPE_ARRAY_UBOUND (dt, n_dim)); | |
29dc5138 PT |
1604 | gfc_add_expr_to_block (block, tmp); |
1605 | } | |
1606 | ||
1607 | if (ts->type == BT_DERIVED) | |
1608 | { | |
1609 | gfc_component *cmp; | |
1610 | ||
1611 | /* Provide the RECORD_TYPE to build component references. */ | |
1612 | ||
38611275 | 1613 | tree expr = build_fold_indirect_ref (addr_expr); |
29dc5138 PT |
1614 | |
1615 | for (cmp = ts->derived->components; cmp; cmp = cmp->next) | |
1616 | { | |
1617 | char *full_name = nml_full_name (var_name, cmp->name); | |
1618 | transfer_namelist_element (block, | |
1619 | full_name, | |
1620 | NULL, cmp, expr); | |
1621 | gfc_free (full_name); | |
1622 | } | |
1623 | } | |
3bc268e6 | 1624 | } |
6de9cd9a | 1625 | |
29dc5138 | 1626 | #undef IARG |
29dc5138 | 1627 | |
6de9cd9a DN |
1628 | /* Create a data transfer statement. Not all of the fields are valid |
1629 | for both reading and writing, but improper use has been filtered | |
1630 | out by now. */ | |
1631 | ||
1632 | static tree | |
5e805e44 | 1633 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1634 | { |
d4feb3d3 | 1635 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1636 | gfc_dt *dt; |
5e805e44 | 1637 | tree tmp, var; |
29dc5138 | 1638 | gfc_expr *nmlname; |
3bc268e6 | 1639 | gfc_namelist *nml; |
5e1bdeb7 | 1640 | unsigned int mask = 0; |
6de9cd9a | 1641 | |
5e805e44 | 1642 | gfc_start_block (&block); |
6de9cd9a | 1643 | gfc_init_block (&post_block); |
5e805e44 | 1644 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1645 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1646 | |
1647 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1648 | ||
1649 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1650 | |
5e805e44 JJ |
1651 | if (last_dt == IOLENGTH) |
1652 | { | |
1653 | gfc_inquire *inq; | |
1654 | ||
1655 | inq = code->ext.inquire; | |
6de9cd9a | 1656 | |
5e805e44 JJ |
1657 | /* First check that preconditions are met. */ |
1658 | gcc_assert (inq != NULL); | |
1659 | gcc_assert (inq->iolength != NULL); | |
1660 | ||
1661 | /* Connect to the iolength variable. */ | |
1662 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1663 | IOPARM_dt_iolength, inq->iolength); | |
1664 | dt = NULL; | |
1665 | } | |
1666 | else | |
1667 | { | |
1668 | dt = code->ext.dt; | |
1669 | gcc_assert (dt != NULL); | |
1670 | } | |
8750f9cd | 1671 | |
5e805e44 | 1672 | if (dt && dt->io_unit) |
6de9cd9a DN |
1673 | { |
1674 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1675 | { | |
d4feb3d3 PT |
1676 | mask |= set_internal_unit (&block, &post_iu_block, |
1677 | var, dt->io_unit); | |
5e805e44 | 1678 | set_parameter_const (&block, var, IOPARM_common_unit, 0); |
6de9cd9a | 1679 | } |
6de9cd9a | 1680 | } |
5e805e44 JJ |
1681 | else |
1682 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1683 | |
5e805e44 JJ |
1684 | if (dt) |
1685 | { | |
f96d606f JD |
1686 | if (dt->iomsg) |
1687 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1688 | dt->iomsg); | |
1689 | ||
1690 | if (dt->iostat) | |
1691 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1692 | IOPARM_common_iostat, dt->iostat); | |
1693 | ||
1694 | if (dt->err) | |
1695 | mask |= IOPARM_common_err; | |
1696 | ||
1697 | if (dt->eor) | |
1698 | mask |= IOPARM_common_eor; | |
1699 | ||
1700 | if (dt->end) | |
1701 | mask |= IOPARM_common_end; | |
1702 | ||
6f0f0b2e JD |
1703 | if (dt->id) |
1704 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1705 | IOPARM_dt_id, dt->id); | |
1706 | ||
1707 | if (dt->pos) | |
1708 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); | |
1709 | ||
1710 | if (dt->asynchronous) | |
1711 | mask |= set_string (&block, &post_block, var, IOPARM_dt_asynchronous, | |
1712 | dt->asynchronous); | |
1713 | ||
1714 | if (dt->blank) | |
1715 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1716 | dt->blank); | |
1717 | ||
1718 | if (dt->decimal) | |
1719 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1720 | dt->decimal); | |
1721 | ||
1722 | if (dt->delim) | |
1723 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1724 | dt->delim); | |
1725 | ||
1726 | if (dt->pad) | |
1727 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1728 | dt->pad); | |
1729 | ||
1730 | if (dt->round) | |
1731 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1732 | dt->round); | |
1733 | ||
1734 | if (dt->sign) | |
1735 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1736 | dt->sign); | |
1737 | ||
5e805e44 JJ |
1738 | if (dt->rec) |
1739 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); | |
6de9cd9a | 1740 | |
5e805e44 JJ |
1741 | if (dt->advance) |
1742 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1743 | dt->advance); | |
6de9cd9a | 1744 | |
5e805e44 | 1745 | if (dt->format_expr) |
9341698a | 1746 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1747 | dt->format_expr); |
6de9cd9a | 1748 | |
5e805e44 JJ |
1749 | if (dt->format_label) |
1750 | { | |
1751 | if (dt->format_label == &format_asterisk) | |
1752 | mask |= IOPARM_dt_list_format; | |
1753 | else | |
1754 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1755 | dt->format_label->format); | |
1756 | } | |
6de9cd9a | 1757 | |
5e805e44 JJ |
1758 | if (dt->size) |
1759 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1760 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1761 | |
5e805e44 JJ |
1762 | if (dt->namelist) |
1763 | { | |
1764 | if (dt->format_expr || dt->format_label) | |
1765 | gfc_internal_error ("build_dt: format with namelist"); | |
1766 | ||
1767 | nmlname = gfc_new_nml_name_expr (dt->namelist->name); | |
29dc5138 | 1768 | |
5e805e44 JJ |
1769 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1770 | nmlname); | |
29dc5138 | 1771 | |
5e805e44 JJ |
1772 | if (last_dt == READ) |
1773 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1774 | |
5e805e44 | 1775 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1776 | |
5e805e44 JJ |
1777 | dt_parm = var; |
1778 | ||
1779 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1780 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
1781 | NULL, NULL); | |
1782 | } | |
1783 | else | |
1784 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1785 | |
1786 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
1787 | set_parameter_value (&block, var, IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1788 | } |
5e805e44 JJ |
1789 | else |
1790 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1791 | |
628c189e | 1792 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
5039610b | 1793 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a DN |
1794 | gfc_add_expr_to_block (&block, tmp); |
1795 | ||
1796 | gfc_add_block_to_block (&block, &post_block); | |
1797 | ||
5e805e44 JJ |
1798 | dt_parm = var; |
1799 | dt_post_end_block = &post_end_block; | |
1800 | ||
1801 | gfc_add_expr_to_block (&block, gfc_trans_code (code->block->next)); | |
1802 | ||
d4feb3d3 PT |
1803 | gfc_add_block_to_block (&block, &post_iu_block); |
1804 | ||
5e805e44 JJ |
1805 | dt_parm = NULL; |
1806 | dt_post_end_block = NULL; | |
1807 | ||
6de9cd9a DN |
1808 | return gfc_finish_block (&block); |
1809 | } | |
1810 | ||
1811 | ||
8750f9cd JB |
1812 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1813 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1814 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1815 | |
1816 | tree | |
1817 | gfc_trans_iolength (gfc_code * code) | |
1818 | { | |
8750f9cd | 1819 | last_dt = IOLENGTH; |
5e805e44 | 1820 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1821 | } |
1822 | ||
1823 | ||
6de9cd9a DN |
1824 | /* Translate a READ statement. */ |
1825 | ||
1826 | tree | |
1827 | gfc_trans_read (gfc_code * code) | |
1828 | { | |
6de9cd9a | 1829 | last_dt = READ; |
5e805e44 | 1830 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1831 | } |
1832 | ||
1833 | ||
1834 | /* Translate a WRITE statement */ | |
1835 | ||
1836 | tree | |
1837 | gfc_trans_write (gfc_code * code) | |
1838 | { | |
6de9cd9a | 1839 | last_dt = WRITE; |
5e805e44 | 1840 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1841 | } |
1842 | ||
1843 | ||
1844 | /* Finish a data transfer statement. */ | |
1845 | ||
1846 | tree | |
1847 | gfc_trans_dt_end (gfc_code * code) | |
1848 | { | |
1849 | tree function, tmp; | |
1850 | stmtblock_t block; | |
1851 | ||
1852 | gfc_init_block (&block); | |
1853 | ||
8750f9cd JB |
1854 | switch (last_dt) |
1855 | { | |
1856 | case READ: | |
5e805e44 | 1857 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1858 | break; |
1859 | ||
1860 | case WRITE: | |
5e805e44 | 1861 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1862 | break; |
1863 | ||
1864 | case IOLENGTH: | |
5e805e44 | 1865 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1866 | break; |
1867 | ||
1868 | default: | |
6e45f57b | 1869 | gcc_unreachable (); |
8750f9cd | 1870 | } |
6de9cd9a | 1871 | |
628c189e | 1872 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
5039610b | 1873 | tmp = build_call_expr (function, 1, tmp); |
6de9cd9a | 1874 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1875 | gfc_add_block_to_block (&block, dt_post_end_block); |
1876 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1877 | |
8750f9cd JB |
1878 | if (last_dt != IOLENGTH) |
1879 | { | |
6e45f57b | 1880 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1881 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1882 | code->ext.dt->end, code->ext.dt->eor); |
1883 | } | |
6de9cd9a DN |
1884 | |
1885 | return gfc_finish_block (&block); | |
1886 | } | |
1887 | ||
d2ccf6aa | 1888 | static void |
aa5e22f0 | 1889 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1890 | |
1891 | /* Given an array field in a derived type variable, generate the code | |
1892 | for the loop that iterates over array elements, and the code that | |
1893 | accesses those array elements. Use transfer_expr to generate code | |
1894 | for transferring that element. Because elements may also be | |
1895 | derived types, transfer_expr and transfer_array_component are mutually | |
1896 | recursive. */ | |
1897 | ||
1898 | static tree | |
bdfd2ff0 | 1899 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
1900 | { |
1901 | tree tmp; | |
1902 | stmtblock_t body; | |
1903 | stmtblock_t block; | |
1904 | gfc_loopinfo loop; | |
1905 | int n; | |
1906 | gfc_ss *ss; | |
1907 | gfc_se se; | |
1908 | ||
1909 | gfc_start_block (&block); | |
1910 | gfc_init_se (&se, NULL); | |
1911 | ||
1912 | /* Create and initialize Scalarization Status. Unlike in | |
1913 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1914 | care of this task, because we don't have a gfc_expr at hand. | |
1915 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1916 | ||
1917 | ss = gfc_get_ss (); | |
1918 | ss->type = GFC_SS_COMPONENT; | |
1919 | ss->expr = NULL; | |
1920 | ss->shape = gfc_get_shape (cm->as->rank); | |
1921 | ss->next = gfc_ss_terminator; | |
1922 | ss->data.info.dimen = cm->as->rank; | |
1923 | ss->data.info.descriptor = expr; | |
1924 | ss->data.info.data = gfc_conv_array_data (expr); | |
1925 | ss->data.info.offset = gfc_conv_array_offset (expr); | |
1926 | for (n = 0; n < cm->as->rank; n++) | |
1927 | { | |
1928 | ss->data.info.dim[n] = n; | |
1929 | ss->data.info.start[n] = gfc_conv_array_lbound (expr, n); | |
1930 | ss->data.info.stride[n] = gfc_index_one_node; | |
1931 | ||
1932 | mpz_init (ss->shape[n]); | |
1933 | mpz_sub (ss->shape[n], cm->as->upper[n]->value.integer, | |
1934 | cm->as->lower[n]->value.integer); | |
1935 | mpz_add_ui (ss->shape[n], ss->shape[n], 1); | |
1936 | } | |
1937 | ||
f7b529fa | 1938 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1939 | |
1940 | gfc_init_loopinfo (&loop); | |
1941 | gfc_add_ss_to_loop (&loop, ss); | |
1942 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 1943 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
1944 | gfc_mark_ss_chain_used (ss, 1); |
1945 | gfc_start_scalarized_body (&loop, &body); | |
1946 | ||
1947 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1948 | se.ss = ss; | |
1949 | ||
1950 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
1951 | se.expr = expr; | |
1952 | gfc_conv_tmp_array_ref (&se); | |
1953 | ||
1954 | /* Now se.expr contains an element of the array. Take the address and pass | |
1955 | it to the IO routines. */ | |
628c189e | 1956 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
aa5e22f0 | 1957 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
1958 | |
1959 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 1960 | return. */ |
d2ccf6aa VL |
1961 | |
1962 | gfc_add_block_to_block (&body, &se.pre); | |
1963 | gfc_add_block_to_block (&body, &se.post); | |
1964 | ||
1965 | gfc_trans_scalarizing_loops (&loop, &body); | |
1966 | ||
1967 | gfc_add_block_to_block (&block, &loop.pre); | |
1968 | gfc_add_block_to_block (&block, &loop.post); | |
1969 | ||
d2ccf6aa VL |
1970 | for (n = 0; n < cm->as->rank; n++) |
1971 | mpz_clear (ss->shape[n]); | |
1972 | gfc_free (ss->shape); | |
1973 | ||
96654664 PB |
1974 | gfc_cleanup_loop (&loop); |
1975 | ||
d2ccf6aa VL |
1976 | return gfc_finish_block (&block); |
1977 | } | |
6de9cd9a DN |
1978 | |
1979 | /* Generate the call for a scalar transfer node. */ | |
1980 | ||
1981 | static void | |
aa5e22f0 | 1982 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 1983 | { |
8a221914 | 1984 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
1985 | gfc_component *c; |
1986 | int kind; | |
1987 | ||
a8b3b0b6 CR |
1988 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
1989 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
1990 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
1991 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
1992 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
1993 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
1994 | if ((ts->type == BT_DERIVED && ts->is_iso_c == 1 && ts->derived != NULL) | |
1995 | || (ts->derived != NULL && ts->derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 1996 | { |
aa5e22f0 CR |
1997 | /* C_PTR and C_FUNPTR have private components which means they can not |
1998 | be printed. However, if -std=gnu and not -pedantic, allow | |
1999 | the component to be printed to help debugging. */ | |
2000 | if (gfc_notification_std (GFC_STD_GNU) != SILENT) | |
2001 | { | |
2002 | gfc_error_now ("Derived type '%s' at %L has PRIVATE components", | |
2003 | ts->derived->name, code != NULL ? &(code->loc) : | |
2004 | &gfc_current_locus); | |
2005 | return; | |
2006 | } | |
2007 | ||
a8b3b0b6 CR |
2008 | ts->type = ts->derived->ts.type; |
2009 | ts->kind = ts->derived->ts.kind; | |
2010 | ts->f90_type = ts->derived->ts.f90_type; | |
2011 | } | |
2012 | ||
6de9cd9a DN |
2013 | kind = ts->kind; |
2014 | function = NULL; | |
2015 | arg2 = NULL; | |
8a221914 | 2016 | arg3 = NULL; |
6de9cd9a DN |
2017 | |
2018 | switch (ts->type) | |
2019 | { | |
2020 | case BT_INTEGER: | |
7d60be94 | 2021 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 2022 | function = iocall[IOCALL_X_INTEGER]; |
6de9cd9a DN |
2023 | break; |
2024 | ||
2025 | case BT_REAL: | |
7d60be94 | 2026 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 2027 | function = iocall[IOCALL_X_REAL]; |
6de9cd9a DN |
2028 | break; |
2029 | ||
2030 | case BT_COMPLEX: | |
7d60be94 | 2031 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 2032 | function = iocall[IOCALL_X_COMPLEX]; |
6de9cd9a DN |
2033 | break; |
2034 | ||
2035 | case BT_LOGICAL: | |
7d60be94 | 2036 | arg2 = build_int_cst (NULL_TREE, kind); |
5e805e44 | 2037 | function = iocall[IOCALL_X_LOGICAL]; |
6de9cd9a DN |
2038 | break; |
2039 | ||
2040 | case BT_CHARACTER: | |
8a221914 JD |
2041 | if (kind == 4) |
2042 | { | |
2043 | if (se->string_length) | |
2044 | arg2 = se->string_length; | |
2045 | else | |
2046 | { | |
2047 | tmp = build_fold_indirect_ref (addr_expr); | |
2048 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); | |
2049 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2050 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2051 | } | |
2052 | arg3 = build_int_cst (NULL_TREE, kind); | |
2053 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
628c189e | 2054 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
8a221914 JD |
2055 | tmp = build_call_expr (function, 4, tmp, addr_expr, arg2, arg3); |
2056 | gfc_add_expr_to_block (&se->pre, tmp); | |
2057 | gfc_add_block_to_block (&se->pre, &se->post); | |
2058 | return; | |
2059 | } | |
2060 | /* Fall through. */ | |
7b95e2a8 | 2061 | case BT_HOLLERITH: |
d2ccf6aa VL |
2062 | if (se->string_length) |
2063 | arg2 = se->string_length; | |
2064 | else | |
2065 | { | |
38611275 | 2066 | tmp = build_fold_indirect_ref (addr_expr); |
d2ccf6aa VL |
2067 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2068 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2069 | } | |
5e805e44 | 2070 | function = iocall[IOCALL_X_CHARACTER]; |
6de9cd9a DN |
2071 | break; |
2072 | ||
2073 | case BT_DERIVED: | |
d2ccf6aa | 2074 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 2075 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
38611275 | 2076 | expr = build_fold_indirect_ref (expr); |
6de9cd9a DN |
2077 | |
2078 | for (c = ts->derived->components; c; c = c->next) | |
2079 | { | |
2080 | field = c->backend_decl; | |
6e45f57b | 2081 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 2082 | |
44855d8c TS |
2083 | tmp = fold_build3 (COMPONENT_REF, TREE_TYPE (field), |
2084 | expr, field, NULL_TREE); | |
6de9cd9a | 2085 | |
d4b7d0f0 | 2086 | if (c->attr.dimension) |
d2ccf6aa | 2087 | { |
bdfd2ff0 | 2088 | tmp = transfer_array_component (tmp, c, & code->loc); |
d2ccf6aa VL |
2089 | gfc_add_expr_to_block (&se->pre, tmp); |
2090 | } | |
2091 | else | |
2092 | { | |
d4b7d0f0 | 2093 | if (!c->attr.pointer) |
628c189e | 2094 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
aa5e22f0 | 2095 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 2096 | } |
6de9cd9a DN |
2097 | } |
2098 | return; | |
2099 | ||
2100 | default: | |
2101 | internal_error ("Bad IO basetype (%d)", ts->type); | |
2102 | } | |
2103 | ||
628c189e | 2104 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
5039610b | 2105 | tmp = build_call_expr (function, 3, tmp, addr_expr, arg2); |
6de9cd9a DN |
2106 | gfc_add_expr_to_block (&se->pre, tmp); |
2107 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2108 | |
6de9cd9a DN |
2109 | } |
2110 | ||
2111 | ||
18623fae JB |
2112 | /* Generate a call to pass an array descriptor to the IO library. The |
2113 | array should be of one of the intrinsic types. */ | |
2114 | ||
2115 | static void | |
2116 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2117 | { | |
5039610b | 2118 | tree tmp, charlen_arg, kind_arg; |
18623fae JB |
2119 | |
2120 | if (ts->type == BT_CHARACTER) | |
2121 | charlen_arg = se->string_length; | |
2122 | else | |
7fb41a42 | 2123 | charlen_arg = build_int_cst (NULL_TREE, 0); |
18623fae | 2124 | |
e5ef4b3b JB |
2125 | kind_arg = build_int_cst (NULL_TREE, ts->kind); |
2126 | ||
628c189e | 2127 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
5039610b SL |
2128 | tmp = build_call_expr (iocall[IOCALL_X_ARRAY], 4, |
2129 | tmp, addr_expr, kind_arg, charlen_arg); | |
18623fae JB |
2130 | gfc_add_expr_to_block (&se->pre, tmp); |
2131 | gfc_add_block_to_block (&se->pre, &se->post); | |
2132 | } | |
2133 | ||
2134 | ||
6de9cd9a DN |
2135 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2136 | ||
2137 | tree | |
2138 | gfc_trans_transfer (gfc_code * code) | |
2139 | { | |
2140 | stmtblock_t block, body; | |
2141 | gfc_loopinfo loop; | |
2142 | gfc_expr *expr; | |
99c7ab42 | 2143 | gfc_ref *ref; |
6de9cd9a DN |
2144 | gfc_ss *ss; |
2145 | gfc_se se; | |
2146 | tree tmp; | |
c63173dd | 2147 | int n; |
6de9cd9a DN |
2148 | |
2149 | gfc_start_block (&block); | |
18623fae | 2150 | gfc_init_block (&body); |
6de9cd9a DN |
2151 | |
2152 | expr = code->expr; | |
2153 | ss = gfc_walk_expr (expr); | |
2154 | ||
99c7ab42 | 2155 | ref = NULL; |
6de9cd9a DN |
2156 | gfc_init_se (&se, NULL); |
2157 | ||
2158 | if (ss == gfc_ss_terminator) | |
18623fae | 2159 | { |
815d8045 | 2160 | /* Transfer a scalar value. */ |
18623fae | 2161 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2162 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2163 | } |
815d8045 | 2164 | else |
6de9cd9a | 2165 | { |
99c7ab42 PT |
2166 | /* Transfer an array. If it is an array of an intrinsic |
2167 | type, pass the descriptor to the library. Otherwise | |
2168 | scalarize the transfer. */ | |
2169 | if (expr->ref) | |
2170 | { | |
2171 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
2172 | ref = ref->next); | |
2173 | gcc_assert (ref->type == REF_ARRAY); | |
2174 | } | |
2175 | ||
1d6b7f39 PT |
2176 | if (expr->ts.type != BT_DERIVED |
2177 | && ref && ref->next == NULL | |
2178 | && !is_subref_array (expr)) | |
815d8045 | 2179 | { |
c63173dd PT |
2180 | bool seen_vector = false; |
2181 | ||
2182 | if (ref && ref->u.ar.type == AR_SECTION) | |
2183 | { | |
2184 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2185 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
2186 | seen_vector = true; | |
2187 | } | |
2188 | ||
2189 | if (seen_vector && last_dt == READ) | |
2190 | { | |
2191 | /* Create a temp, read to that and copy it back. */ | |
2192 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT); | |
2193 | tmp = se.expr; | |
2194 | } | |
2195 | else | |
2196 | { | |
2197 | /* Get the descriptor. */ | |
2198 | gfc_conv_expr_descriptor (&se, expr, ss); | |
628c189e | 2199 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2200 | } |
2201 | ||
99c7ab42 PT |
2202 | transfer_array_desc (&se, &expr->ts, tmp); |
2203 | goto finish_block_label; | |
815d8045 JB |
2204 | } |
2205 | ||
6de9cd9a DN |
2206 | /* Initialize the scalarizer. */ |
2207 | gfc_init_loopinfo (&loop); | |
2208 | gfc_add_ss_to_loop (&loop, ss); | |
2209 | ||
2210 | /* Initialize the loop. */ | |
2211 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 2212 | gfc_conv_loop_setup (&loop, &code->expr->where); |
6de9cd9a DN |
2213 | |
2214 | /* The main loop body. */ | |
2215 | gfc_mark_ss_chain_used (ss, 1); | |
2216 | gfc_start_scalarized_body (&loop, &body); | |
2217 | ||
2218 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2219 | se.ss = ss; | |
6de9cd9a | 2220 | |
18623fae | 2221 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2222 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2223 | } |
815d8045 JB |
2224 | |
2225 | finish_block_label: | |
6de9cd9a DN |
2226 | |
2227 | gfc_add_block_to_block (&body, &se.pre); | |
2228 | gfc_add_block_to_block (&body, &se.post); | |
2229 | ||
2230 | if (se.ss == NULL) | |
2231 | tmp = gfc_finish_block (&body); | |
2232 | else | |
2233 | { | |
6e45f57b | 2234 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2235 | gfc_trans_scalarizing_loops (&loop, &body); |
2236 | ||
2237 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2238 | tmp = gfc_finish_block (&loop.pre); | |
2239 | gfc_cleanup_loop (&loop); | |
2240 | } | |
2241 | ||
2242 | gfc_add_expr_to_block (&block, tmp); | |
2243 | ||
d2ccf6aa | 2244 | return gfc_finish_block (&block); |
6de9cd9a DN |
2245 | } |
2246 | ||
2247 | #include "gt-fortran-trans-io.h" | |
2248 |