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6de9cd9a | 1 | /* IO Code translation/library interface |
d1e082c2 | 2 | Copyright (C) 2002-2013 Free Software Foundation, Inc. |
6de9cd9a DN |
3 | Contributed by Paul Brook |
4 | ||
9fc4d79b | 5 | This file is part of GCC. |
6de9cd9a | 6 | |
9fc4d79b TS |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 9 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 10 | version. |
6de9cd9a | 11 | |
9fc4d79b TS |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
6de9cd9a DN |
16 | |
17 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
20 | |
21 | ||
22 | #include "config.h" | |
23 | #include "system.h" | |
24 | #include "coretypes.h" | |
25 | #include "tree.h" | |
6de9cd9a | 26 | #include "ggc.h" |
c829d016 | 27 | #include "diagnostic-core.h" /* For internal_error. */ |
6de9cd9a DN |
28 | #include "gfortran.h" |
29 | #include "trans.h" | |
30 | #include "trans-stmt.h" | |
31 | #include "trans-array.h" | |
32 | #include "trans-types.h" | |
33 | #include "trans-const.h" | |
34 | ||
6de9cd9a DN |
35 | /* Members of the ioparm structure. */ |
36 | ||
5e805e44 JJ |
37 | enum ioparam_type |
38 | { | |
39 | IOPARM_ptype_common, | |
40 | IOPARM_ptype_open, | |
41 | IOPARM_ptype_close, | |
42 | IOPARM_ptype_filepos, | |
43 | IOPARM_ptype_inquire, | |
44 | IOPARM_ptype_dt, | |
6f0f0b2e | 45 | IOPARM_ptype_wait, |
5e805e44 JJ |
46 | IOPARM_ptype_num |
47 | }; | |
48 | ||
49 | enum iofield_type | |
50 | { | |
51 | IOPARM_type_int4, | |
014ec6ee | 52 | IOPARM_type_intio, |
5e805e44 | 53 | IOPARM_type_pint4, |
014ec6ee | 54 | IOPARM_type_pintio, |
5e805e44 JJ |
55 | IOPARM_type_pchar, |
56 | IOPARM_type_parray, | |
57 | IOPARM_type_pad, | |
58 | IOPARM_type_char1, | |
59 | IOPARM_type_char2, | |
60 | IOPARM_type_common, | |
61 | IOPARM_type_num | |
62 | }; | |
63 | ||
d1b38208 | 64 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
65 | const char *name; |
66 | unsigned int mask; | |
67 | enum ioparam_type param_type; | |
68 | enum iofield_type type; | |
69 | tree field; | |
70 | tree field_len; | |
71 | } | |
72 | gfc_st_parameter_field; | |
6de9cd9a | 73 | |
d1b38208 | 74 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
75 | const char *name; |
76 | tree type; | |
77 | } | |
78 | gfc_st_parameter; | |
79 | ||
80 | enum iofield | |
81 | { | |
82 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
83 | #include "ioparm.def" | |
84 | #undef IOPARM | |
85 | IOPARM_field_num | |
86 | }; | |
87 | ||
88 | static GTY(()) gfc_st_parameter st_parameter[] = | |
89 | { | |
90 | { "common", NULL }, | |
91 | { "open", NULL }, | |
92 | { "close", NULL }, | |
93 | { "filepos", NULL }, | |
94 | { "inquire", NULL }, | |
6f0f0b2e JD |
95 | { "dt", NULL }, |
96 | { "wait", NULL } | |
5e805e44 JJ |
97 | }; |
98 | ||
99 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
100 | { | |
101 | #define IOPARM(param_type, name, mask, type) \ | |
102 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
103 | #include "ioparm.def" | |
104 | #undef IOPARM | |
81f40b79 | 105 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 106 | }; |
6de9cd9a DN |
107 | |
108 | /* Library I/O subroutines */ | |
109 | ||
5e805e44 JJ |
110 | enum iocall |
111 | { | |
112 | IOCALL_READ, | |
113 | IOCALL_READ_DONE, | |
114 | IOCALL_WRITE, | |
115 | IOCALL_WRITE_DONE, | |
116 | IOCALL_X_INTEGER, | |
6eb6875d | 117 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 118 | IOCALL_X_LOGICAL, |
6eb6875d | 119 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 120 | IOCALL_X_CHARACTER, |
6eb6875d | 121 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 122 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 123 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 124 | IOCALL_X_REAL, |
6eb6875d | 125 | IOCALL_X_REAL_WRITE, |
5e805e44 | 126 | IOCALL_X_COMPLEX, |
6eb6875d | 127 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
128 | IOCALL_X_REAL128, |
129 | IOCALL_X_REAL128_WRITE, | |
130 | IOCALL_X_COMPLEX128, | |
131 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 132 | IOCALL_X_ARRAY, |
6eb6875d | 133 | IOCALL_X_ARRAY_WRITE, |
5e805e44 JJ |
134 | IOCALL_OPEN, |
135 | IOCALL_CLOSE, | |
136 | IOCALL_INQUIRE, | |
137 | IOCALL_IOLENGTH, | |
138 | IOCALL_IOLENGTH_DONE, | |
139 | IOCALL_REWIND, | |
140 | IOCALL_BACKSPACE, | |
141 | IOCALL_ENDFILE, | |
142 | IOCALL_FLUSH, | |
143 | IOCALL_SET_NML_VAL, | |
144 | IOCALL_SET_NML_VAL_DIM, | |
6f0f0b2e | 145 | IOCALL_WAIT, |
5e805e44 JJ |
146 | IOCALL_NUM |
147 | }; | |
148 | ||
149 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
150 | |
151 | /* Variable for keeping track of what the last data transfer statement | |
152 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 153 | transfer is complete. */ |
8750f9cd | 154 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 155 | |
5e805e44 JJ |
156 | /* The data transfer parameter block that should be shared by all |
157 | data transfer calls belonging to the same read/write/iolength. */ | |
158 | static GTY(()) tree dt_parm; | |
159 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 160 | |
5e805e44 JJ |
161 | static void |
162 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
163 | { | |
32e8bb8e | 164 | unsigned int type; |
5e805e44 JJ |
165 | gfc_st_parameter_field *p; |
166 | char name[64]; | |
167 | size_t len; | |
168 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 169 | tree *chain = NULL; |
5e805e44 JJ |
170 | |
171 | len = strlen (st_parameter[ptype].name); | |
172 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
173 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
174 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 175 | len + 1); |
5e805e44 JJ |
176 | TYPE_NAME (t) = get_identifier (name); |
177 | ||
178 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
179 | if (p->param_type == ptype) | |
180 | switch (p->type) | |
181 | { | |
182 | case IOPARM_type_int4: | |
014ec6ee | 183 | case IOPARM_type_intio: |
5e805e44 | 184 | case IOPARM_type_pint4: |
014ec6ee | 185 | case IOPARM_type_pintio: |
5e805e44 JJ |
186 | case IOPARM_type_parray: |
187 | case IOPARM_type_pchar: | |
188 | case IOPARM_type_pad: | |
35151cd5 | 189 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 190 | types[p->type], &chain); |
5e805e44 JJ |
191 | break; |
192 | case IOPARM_type_char1: | |
35151cd5 | 193 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 194 | pchar_type_node, &chain); |
5e805e44 JJ |
195 | /* FALLTHROUGH */ |
196 | case IOPARM_type_char2: | |
197 | len = strlen (p->name); | |
198 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
199 | memcpy (name, p->name, len); | |
200 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 201 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
202 | gfc_charlen_type_node, |
203 | &chain); | |
5e805e44 | 204 | if (p->type == IOPARM_type_char2) |
35151cd5 | 205 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 206 | pchar_type_node, &chain); |
5e805e44 JJ |
207 | break; |
208 | case IOPARM_type_common: | |
209 | p->field | |
35151cd5 | 210 | = gfc_add_field_to_struct (t, |
5e805e44 | 211 | get_identifier (p->name), |
dfd6ece2 NF |
212 | st_parameter[IOPARM_ptype_common].type, |
213 | &chain); | |
5e805e44 JJ |
214 | break; |
215 | case IOPARM_type_num: | |
216 | gcc_unreachable (); | |
217 | } | |
6de9cd9a | 218 | |
5e805e44 JJ |
219 | gfc_finish_type (t); |
220 | st_parameter[ptype].type = t; | |
221 | } | |
6de9cd9a | 222 | |
f96d606f JD |
223 | |
224 | /* Build code to test an error condition and call generate_error if needed. | |
225 | Note: This builds calls to generate_error in the runtime library function. | |
226 | The function generate_error is dependent on certain parameters in the | |
227 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
228 | Therefore, the code to set these flags must be generated before | |
229 | this function is used. */ | |
230 | ||
231 | void | |
232 | gfc_trans_io_runtime_check (tree cond, tree var, int error_code, | |
233 | const char * msgid, stmtblock_t * pblock) | |
234 | { | |
235 | stmtblock_t block; | |
236 | tree body; | |
237 | tree tmp; | |
238 | tree arg1, arg2, arg3; | |
239 | char *message; | |
240 | ||
241 | if (integer_zerop (cond)) | |
242 | return; | |
243 | ||
244 | /* The code to generate the error. */ | |
245 | gfc_start_block (&block); | |
246 | ||
628c189e | 247 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
f96d606f JD |
248 | |
249 | arg2 = build_int_cst (integer_type_node, error_code), | |
250 | ||
251 | asprintf (&message, "%s", _(msgid)); | |
ee37d2f5 FXC |
252 | arg3 = gfc_build_addr_expr (pchar_type_node, |
253 | gfc_build_localized_cstring_const (message)); | |
cede9502 | 254 | free (message); |
f96d606f | 255 | |
db3927fb AH |
256 | tmp = build_call_expr_loc (input_location, |
257 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
258 | |
259 | gfc_add_expr_to_block (&block, tmp); | |
260 | ||
261 | body = gfc_finish_block (&block); | |
262 | ||
263 | if (integer_onep (cond)) | |
264 | { | |
265 | gfc_add_expr_to_block (pblock, body); | |
266 | } | |
267 | else | |
268 | { | |
5af07930 | 269 | cond = gfc_unlikely (cond); |
c2255bc4 | 270 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
271 | gfc_add_expr_to_block (pblock, tmp); |
272 | } | |
273 | } | |
274 | ||
275 | ||
6de9cd9a DN |
276 | /* Create function decls for IO library functions. */ |
277 | ||
278 | void | |
279 | gfc_build_io_library_fndecls (void) | |
280 | { | |
5e805e44 | 281 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 282 | tree gfc_intio_type_node; |
5e805e44 | 283 | tree parm_type, dt_parm_type; |
5e805e44 | 284 | HOST_WIDE_INT pad_size; |
09639a83 | 285 | unsigned int ptype; |
5e805e44 JJ |
286 | |
287 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
288 | types[IOPARM_type_intio] = gfc_intio_type_node |
289 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 290 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
291 | types[IOPARM_type_pintio] |
292 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
293 | types[IOPARM_type_parray] = pchar_type_node; |
294 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 295 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 296 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
df09d1d5 | 297 | pad_idx = build_index_type (size_int (pad_size - 1)); |
5e805e44 | 298 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
299 | |
300 | /* pad actually contains pointers and integers so it needs to have an | |
301 | alignment that is at least as large as the needed alignment for those | |
302 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
303 | what really goes into this space. */ | |
304 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
e1456843 | 305 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
7ae99337 | 306 | |
5e805e44 | 307 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 308 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 309 | |
6eb6875d | 310 | /* Define the transfer functions. */ |
6de9cd9a | 311 | |
5e805e44 JJ |
312 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
313 | ||
3f34855a TB |
314 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
315 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
316 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
317 | ||
6eb6875d TK |
318 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
319 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
320 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
321 | ||
3f34855a TB |
322 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
323 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
324 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
325 | ||
6eb6875d TK |
326 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
327 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
328 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
329 | ||
3f34855a TB |
330 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
331 | get_identifier (PREFIX("transfer_character")), ".wW", | |
332 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
333 | ||
6eb6875d TK |
334 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
335 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
336 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
337 | ||
3f34855a TB |
338 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
339 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
340 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
341 | gfc_charlen_type_node, gfc_int4_type_node); | |
342 | ||
6eb6875d TK |
343 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
344 | gfc_build_library_function_decl_with_spec ( | |
345 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
346 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
347 | gfc_charlen_type_node, gfc_int4_type_node); | |
348 | ||
3f34855a TB |
349 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
350 | get_identifier (PREFIX("transfer_real")), ".wW", | |
351 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
352 | ||
6eb6875d TK |
353 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
354 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
355 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
356 | ||
3f34855a TB |
357 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
358 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
359 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
360 | ||
6eb6875d TK |
361 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
362 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
363 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
364 | ||
1ec601bf FXC |
365 | /* Version for __float128. */ |
366 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
367 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
368 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
369 | ||
370 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
371 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
372 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
373 | ||
374 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
375 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
376 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
377 | ||
378 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
379 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
380 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
381 | ||
3f34855a | 382 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 383 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
384 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
385 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 386 | |
6eb6875d TK |
387 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
388 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
389 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
390 | integer_type_node, gfc_charlen_type_node); | |
391 | ||
6de9cd9a DN |
392 | /* Library entry points */ |
393 | ||
3f34855a TB |
394 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
395 | get_identifier (PREFIX("st_read")), ".w", | |
396 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 397 | |
3f34855a TB |
398 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
399 | get_identifier (PREFIX("st_write")), ".w", | |
400 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
401 | |
402 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
403 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
404 | get_identifier (PREFIX("st_open")), ".w", | |
405 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
406 | |
407 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
408 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
409 | get_identifier (PREFIX("st_close")), ".w", | |
410 | void_type_node, 1, parm_type); | |
6de9cd9a | 411 | |
5e805e44 | 412 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
413 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
414 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 415 | void_type_node, 1, parm_type); |
6de9cd9a | 416 | |
3f34855a TB |
417 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
418 | get_identifier (PREFIX("st_iolength")), ".w", | |
419 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 420 | |
3f34855a | 421 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 422 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
423 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
424 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 425 | void_type_node, 1, parm_type); |
6f0f0b2e | 426 | |
5e805e44 | 427 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
428 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
429 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 430 | void_type_node, 1, parm_type); |
6de9cd9a | 431 | |
3f34855a TB |
432 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
433 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 434 | void_type_node, 1, parm_type); |
6de9cd9a | 435 | |
3f34855a TB |
436 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
437 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 438 | void_type_node, 1, parm_type); |
6403ec5f | 439 | |
3f34855a TB |
440 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
441 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 442 | void_type_node, 1, parm_type); |
6403ec5f | 443 | |
6de9cd9a DN |
444 | /* Library helpers */ |
445 | ||
3f34855a TB |
446 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
447 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 448 | void_type_node, 1, dt_parm_type); |
8750f9cd | 449 | |
3f34855a TB |
450 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
451 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 452 | void_type_node, 1, dt_parm_type); |
8750f9cd | 453 | |
3f34855a TB |
454 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
455 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 456 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 457 | |
3f34855a TB |
458 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
459 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
460 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
a19d2b95 | 461 | void_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 462 | |
3f34855a TB |
463 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
464 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
465 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
466 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
467 | } |
468 | ||
469 | ||
5e805e44 JJ |
470 | /* Generate code to store an integer constant into the |
471 | st_parameter_XXX structure. */ | |
472 | ||
473 | static unsigned int | |
474 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
475 | unsigned int val) | |
476 | { | |
477 | tree tmp; | |
478 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
479 | ||
480 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
481 | var = fold_build3_loc (input_location, COMPONENT_REF, |
482 | st_parameter[IOPARM_ptype_common].type, | |
483 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
484 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
485 | var, p->field, NULL_TREE); | |
726a989a | 486 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
5e805e44 JJ |
487 | return p->mask; |
488 | } | |
489 | ||
490 | ||
49de9e73 | 491 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 492 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 493 | |
5e805e44 JJ |
494 | static unsigned int |
495 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, | |
496 | gfc_expr *e) | |
6de9cd9a DN |
497 | { |
498 | gfc_se se; | |
499 | tree tmp; | |
5e805e44 | 500 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 501 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
502 | |
503 | gfc_init_se (&se, NULL); | |
f96d606f JD |
504 | gfc_conv_expr_val (&se, e); |
505 | ||
506 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 507 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 508 | { |
9ad55c33 | 509 | tree cond, val; |
f96d606f JD |
510 | int i; |
511 | ||
f96d606f JD |
512 | /* Don't evaluate the UNIT number multiple times. */ |
513 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
514 | ||
9ad55c33 JD |
515 | /* UNIT numbers should be greater than the min. */ |
516 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
517 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
65a9ca82 TB |
518 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
519 | se.expr, | |
520 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 521 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
9ad55c33 | 522 | "Unit number in I/O statement too small", |
f96d606f JD |
523 | &se.pre); |
524 | ||
525 | /* UNIT numbers should be less than the max. */ | |
9ad55c33 | 526 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
65a9ca82 TB |
527 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
528 | se.expr, | |
529 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 530 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
f96d606f JD |
531 | "Unit number in I/O statement too large", |
532 | &se.pre); | |
533 | ||
534 | } | |
535 | ||
536 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
537 | gfc_add_block_to_block (block, &se.pre); |
538 | ||
5e805e44 | 539 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
540 | var = fold_build3_loc (input_location, COMPONENT_REF, |
541 | st_parameter[IOPARM_ptype_common].type, | |
542 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 543 | |
65a9ca82 TB |
544 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
545 | p->field, NULL_TREE); | |
726a989a | 546 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 547 | return p->mask; |
6de9cd9a DN |
548 | } |
549 | ||
550 | ||
49de9e73 | 551 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 552 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 553 | |
5e805e44 JJ |
554 | static unsigned int |
555 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
556 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
557 | { |
558 | gfc_se se; | |
5e805e44 JJ |
559 | tree tmp, addr; |
560 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 561 | |
5e805e44 | 562 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 563 | gfc_init_se (&se, NULL); |
5e805e44 | 564 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 565 | |
6de9cd9a DN |
566 | gfc_add_block_to_block (block, &se.pre); |
567 | ||
5e805e44 JJ |
568 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
569 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 570 | { |
628c189e | 571 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
572 | |
573 | /* If this is for the iostat variable initialize the | |
d74b97cc | 574 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 575 | if (type == IOPARM_common_iostat) |
726a989a | 576 | gfc_add_modify (block, se.expr, |
d74b97cc | 577 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 578 | } |
5e805e44 JJ |
579 | else |
580 | { | |
581 | /* The type used by the library has different size | |
f96d606f JD |
582 | from the type of the variable supplied by the user. |
583 | Need to use a temporary. */ | |
584 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
585 | st_parameter_field[type].name); | |
586 | ||
587 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 588 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 589 | if (type == IOPARM_common_iostat) |
726a989a | 590 | gfc_add_modify (block, tmpvar, |
d74b97cc | 591 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 592 | |
628c189e | 593 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 594 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 595 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 596 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 597 | } |
5e805e44 JJ |
598 | |
599 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
600 | var = fold_build3_loc (input_location, COMPONENT_REF, |
601 | st_parameter[IOPARM_ptype_common].type, | |
602 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
603 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
604 | var, p->field, NULL_TREE); | |
726a989a | 605 | gfc_add_modify (block, tmp, addr); |
5e805e44 | 606 | return p->mask; |
6de9cd9a DN |
607 | } |
608 | ||
d3642f89 FW |
609 | /* Given an array expr, find its address and length to get a string. If the |
610 | array is full, the string's address is the address of array's first element | |
7e279142 | 611 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 612 | string's address is the element's address and the length is the rest size of |
7e279142 | 613 | the array. */ |
d3642f89 FW |
614 | |
615 | static void | |
616 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
617 | { | |
d3642f89 | 618 | tree size; |
d3642f89 | 619 | |
7e279142 | 620 | if (e->rank == 0) |
d3642f89 | 621 | { |
7e279142 JJ |
622 | tree type, array, tmp; |
623 | gfc_symbol *sym; | |
624 | int rank; | |
625 | ||
626 | /* If it is an element, we need its address and size of the rest. */ | |
627 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
628 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
629 | sym = e->symtree->n.sym; | |
630 | rank = sym->as->rank - 1; | |
d3642f89 | 631 | gfc_conv_expr (se, e); |
d3642f89 | 632 | |
7e279142 JJ |
633 | array = sym->backend_decl; |
634 | type = TREE_TYPE (array); | |
d3642f89 | 635 | |
7e279142 JJ |
636 | if (GFC_ARRAY_TYPE_P (type)) |
637 | size = GFC_TYPE_ARRAY_SIZE (type); | |
638 | else | |
639 | { | |
640 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
641 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
642 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
643 | gfc_array_index_type, | |
644 | gfc_conv_array_ubound (array, rank), | |
645 | gfc_conv_array_lbound (array, rank)); | |
646 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
647 | gfc_array_index_type, tmp, | |
648 | gfc_index_one_node); | |
649 | size = fold_build2_loc (input_location, MULT_EXPR, | |
650 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
651 | } |
652 | gcc_assert (size); | |
d3642f89 | 653 | |
65a9ca82 TB |
654 | size = fold_build2_loc (input_location, MINUS_EXPR, |
655 | gfc_array_index_type, size, | |
656 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 657 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 658 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
659 | size = fold_build2_loc (input_location, MULT_EXPR, |
660 | gfc_array_index_type, size, | |
661 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
662 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
663 | return; | |
d3642f89 FW |
664 | } |
665 | ||
2960a368 | 666 | gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); |
d3642f89 FW |
667 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
668 | } | |
6de9cd9a | 669 | |
109b0ac2 | 670 | |
6de9cd9a | 671 | /* Generate code to store a string and its length into the |
5e805e44 | 672 | st_parameter_XXX structure. */ |
6de9cd9a | 673 | |
5e805e44 | 674 | static unsigned int |
6de9cd9a | 675 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 676 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
677 | { |
678 | gfc_se se; | |
679 | tree tmp; | |
6de9cd9a DN |
680 | tree io; |
681 | tree len; | |
5e805e44 | 682 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
683 | |
684 | gfc_init_se (&se, NULL); | |
6de9cd9a | 685 | |
5e805e44 | 686 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
687 | var = fold_build3_loc (input_location, COMPONENT_REF, |
688 | st_parameter[IOPARM_ptype_common].type, | |
689 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
690 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 691 | var, p->field, NULL_TREE); |
65a9ca82 TB |
692 | len = fold_build3_loc (input_location, COMPONENT_REF, |
693 | TREE_TYPE (p->field_len), | |
694 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 695 | |
7ab92584 | 696 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
697 | if (e->ts.type == BT_INTEGER |
698 | && e->rank == 0 | |
699 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 700 | { |
dd18a33b | 701 | char * msg; |
c8fe94c7 | 702 | tree cond; |
dd18a33b | 703 | |
ce2df7c6 | 704 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 705 | tmp = GFC_DECL_STRING_LEN (se.expr); |
65a9ca82 TB |
706 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
707 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 708 | |
c8fe94c7 FXC |
709 | asprintf(&msg, "Label assigned to variable '%s' (%%ld) is not a format " |
710 | "label", e->symtree->name); | |
0d52899f | 711 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 712 | fold_convert (long_integer_type_node, tmp)); |
cede9502 | 713 | free (msg); |
dd18a33b | 714 | |
726a989a | 715 | gfc_add_modify (&se.pre, io, |
b078dfbf | 716 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 717 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
718 | } |
719 | else | |
720 | { | |
d3642f89 FW |
721 | /* General character. */ |
722 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
723 | gfc_conv_expr (&se, e); | |
724 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 725 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
726 | gfc_convert_array_to_string (&se, e); |
727 | else | |
728 | gcc_unreachable (); | |
729 | ||
6de9cd9a | 730 | gfc_conv_string_parameter (&se); |
726a989a RB |
731 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
732 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
733 | } |
734 | ||
735 | gfc_add_block_to_block (block, &se.pre); | |
736 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 737 | return p->mask; |
6de9cd9a DN |
738 | } |
739 | ||
740 | ||
109b0ac2 PT |
741 | /* Generate code to store the character (array) and the character length |
742 | for an internal unit. */ | |
743 | ||
5e805e44 | 744 | static unsigned int |
d4feb3d3 PT |
745 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
746 | tree var, gfc_expr * e) | |
109b0ac2 PT |
747 | { |
748 | gfc_se se; | |
749 | tree io; | |
750 | tree len; | |
751 | tree desc; | |
752 | tree tmp; | |
5e805e44 JJ |
753 | gfc_st_parameter_field *p; |
754 | unsigned int mask; | |
109b0ac2 PT |
755 | |
756 | gfc_init_se (&se, NULL); | |
757 | ||
5e805e44 JJ |
758 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
759 | mask = p->mask; | |
65a9ca82 TB |
760 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
761 | var, p->field, NULL_TREE); | |
762 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
763 | var, p->field_len, NULL_TREE); | |
5e805e44 | 764 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
765 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
766 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
767 | |
768 | gcc_assert (e->ts.type == BT_CHARACTER); | |
769 | ||
770 | /* Character scalars. */ | |
771 | if (e->rank == 0) | |
772 | { | |
773 | gfc_conv_expr (&se, e); | |
774 | gfc_conv_string_parameter (&se); | |
775 | tmp = se.expr; | |
c3238e32 | 776 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
777 | } |
778 | ||
779 | /* Character array. */ | |
64db4d29 | 780 | else if (e->rank > 0) |
109b0ac2 | 781 | { |
1d6b7f39 | 782 | if (is_subref_array (e)) |
d4feb3d3 PT |
783 | { |
784 | /* Use a temporary for components of arrays of derived types | |
785 | or substring array references. */ | |
1d6b7f39 | 786 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 787 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
788 | tmp = build_fold_indirect_ref_loc (input_location, |
789 | se.expr); | |
d4feb3d3 PT |
790 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
791 | tmp = gfc_conv_descriptor_data_get (tmp); | |
792 | } | |
793 | else | |
794 | { | |
795 | /* Return the data pointer and rank from the descriptor. */ | |
2960a368 | 796 | gfc_conv_expr_descriptor (&se, e); |
d4feb3d3 PT |
797 | tmp = gfc_conv_descriptor_data_get (se.expr); |
798 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
799 | } | |
109b0ac2 PT |
800 | } |
801 | else | |
802 | gcc_unreachable (); | |
803 | ||
804 | /* The cast is needed for character substrings and the descriptor | |
805 | data. */ | |
726a989a RB |
806 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
807 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 808 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 809 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
810 | |
811 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 812 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 813 | return mask; |
109b0ac2 PT |
814 | } |
815 | ||
6de9cd9a DN |
816 | /* Add a case to a IO-result switch. */ |
817 | ||
818 | static void | |
819 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
820 | { | |
821 | tree tmp, value; | |
822 | ||
823 | if (label == NULL) | |
824 | return; /* No label, no case */ | |
825 | ||
df09d1d5 | 826 | value = build_int_cst (integer_type_node, label_value); |
6de9cd9a DN |
827 | |
828 | /* Make a backend label for this case. */ | |
c006df4e | 829 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
830 | |
831 | /* And the case itself. */ | |
3d528853 | 832 | tmp = build_case_label (value, NULL_TREE, tmp); |
6de9cd9a DN |
833 | gfc_add_expr_to_block (body, tmp); |
834 | ||
835 | /* Jump to the label. */ | |
836 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
837 | gfc_add_expr_to_block (body, tmp); | |
838 | } | |
839 | ||
840 | ||
841 | /* Generate a switch statement that branches to the correct I/O | |
842 | result label. The last statement of an I/O call stores the | |
843 | result into a variable because there is often cleanup that | |
844 | must be done before the switch, so a temporary would have to | |
845 | be created anyway. */ | |
846 | ||
847 | static void | |
5e805e44 | 848 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
849 | gfc_st_label * end_label, gfc_st_label * eor_label) |
850 | { | |
851 | stmtblock_t body; | |
852 | tree tmp, rc; | |
5e805e44 | 853 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
854 | |
855 | /* If no labels are specified, ignore the result instead | |
856 | of building an empty switch. */ | |
857 | if (err_label == NULL | |
858 | && end_label == NULL | |
859 | && eor_label == NULL) | |
860 | return; | |
861 | ||
862 | /* Build a switch statement. */ | |
863 | gfc_start_block (&body); | |
864 | ||
865 | /* The label values here must be the same as the values | |
866 | in the library_return enum in the runtime library */ | |
867 | add_case (1, err_label, &body); | |
868 | add_case (2, end_label, &body); | |
869 | add_case (3, eor_label, &body); | |
870 | ||
871 | tmp = gfc_finish_block (&body); | |
872 | ||
65a9ca82 TB |
873 | var = fold_build3_loc (input_location, COMPONENT_REF, |
874 | st_parameter[IOPARM_ptype_common].type, | |
875 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
876 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
877 | var, p->field, NULL_TREE); | |
878 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
879 | rc, build_int_cst (TREE_TYPE (rc), | |
880 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 881 | |
0cd2402d SB |
882 | tmp = fold_build3_loc (input_location, SWITCH_EXPR, NULL_TREE, |
883 | rc, tmp, NULL_TREE); | |
6de9cd9a DN |
884 | |
885 | gfc_add_expr_to_block (block, tmp); | |
886 | } | |
887 | ||
888 | ||
889 | /* Store the current file and line number to variables so that if a | |
890 | library call goes awry, we can tell the user where the problem is. */ | |
891 | ||
892 | static void | |
5e805e44 | 893 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
894 | { |
895 | gfc_file *f; | |
5e805e44 | 896 | tree str, locus_file; |
6de9cd9a | 897 | int line; |
5e805e44 | 898 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 899 | |
65a9ca82 TB |
900 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
901 | st_parameter[IOPARM_ptype_common].type, | |
902 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
903 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
904 | TREE_TYPE (p->field), locus_file, | |
905 | p->field, NULL_TREE); | |
d4fa05b9 | 906 | f = where->lb->file; |
5e805e44 | 907 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 908 | |
5e805e44 | 909 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 910 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 911 | |
c8cc8542 | 912 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 913 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
914 | } |
915 | ||
916 | ||
917 | /* Translate an OPEN statement. */ | |
918 | ||
919 | tree | |
920 | gfc_trans_open (gfc_code * code) | |
921 | { | |
922 | stmtblock_t block, post_block; | |
923 | gfc_open *p; | |
5e805e44 JJ |
924 | tree tmp, var; |
925 | unsigned int mask = 0; | |
6de9cd9a | 926 | |
5e805e44 | 927 | gfc_start_block (&block); |
6de9cd9a DN |
928 | gfc_init_block (&post_block); |
929 | ||
5e805e44 JJ |
930 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
931 | ||
932 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
933 | p = code->ext.open; |
934 | ||
f96d606f JD |
935 | if (p->iomsg) |
936 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
937 | p->iomsg); | |
938 | ||
939 | if (p->iostat) | |
940 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
941 | p->iostat); | |
942 | ||
943 | if (p->err) | |
944 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
945 | |
946 | if (p->file) | |
5e805e44 | 947 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
948 | |
949 | if (p->status) | |
5e805e44 JJ |
950 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
951 | p->status); | |
6de9cd9a DN |
952 | |
953 | if (p->access) | |
5e805e44 JJ |
954 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
955 | p->access); | |
6de9cd9a DN |
956 | |
957 | if (p->form) | |
5e805e44 | 958 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
959 | |
960 | if (p->recl) | |
5e805e44 | 961 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, p->recl); |
6de9cd9a DN |
962 | |
963 | if (p->blank) | |
5e805e44 JJ |
964 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
965 | p->blank); | |
6de9cd9a DN |
966 | |
967 | if (p->position) | |
5e805e44 JJ |
968 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
969 | p->position); | |
6de9cd9a DN |
970 | |
971 | if (p->action) | |
5e805e44 JJ |
972 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
973 | p->action); | |
6de9cd9a DN |
974 | |
975 | if (p->delim) | |
5e805e44 JJ |
976 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
977 | p->delim); | |
6de9cd9a DN |
978 | |
979 | if (p->pad) | |
5e805e44 | 980 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 981 | |
6f0f0b2e JD |
982 | if (p->decimal) |
983 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
984 | p->decimal); | |
985 | ||
986 | if (p->encoding) | |
987 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
988 | p->encoding); | |
989 | ||
990 | if (p->round) | |
991 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
992 | ||
993 | if (p->sign) | |
994 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
995 | ||
996 | if (p->asynchronous) | |
997 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
998 | p->asynchronous); | |
999 | ||
181c9f4a TK |
1000 | if (p->convert) |
1001 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1002 | p->convert); | |
9ad55c33 JD |
1003 | |
1004 | if (p->newunit) | |
1005 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1006 | p->newunit); | |
181c9f4a | 1007 | |
5e805e44 JJ |
1008 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1009 | ||
f96d606f JD |
1010 | if (p->unit) |
1011 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1012 | else | |
1013 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1014 | ||
628c189e | 1015 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1016 | tmp = build_call_expr_loc (input_location, |
1017 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1018 | gfc_add_expr_to_block (&block, tmp); |
1019 | ||
1020 | gfc_add_block_to_block (&block, &post_block); | |
1021 | ||
5e805e44 | 1022 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1023 | |
1024 | return gfc_finish_block (&block); | |
1025 | } | |
1026 | ||
1027 | ||
1028 | /* Translate a CLOSE statement. */ | |
1029 | ||
1030 | tree | |
1031 | gfc_trans_close (gfc_code * code) | |
1032 | { | |
1033 | stmtblock_t block, post_block; | |
1034 | gfc_close *p; | |
5e805e44 JJ |
1035 | tree tmp, var; |
1036 | unsigned int mask = 0; | |
6de9cd9a | 1037 | |
5e805e44 | 1038 | gfc_start_block (&block); |
6de9cd9a DN |
1039 | gfc_init_block (&post_block); |
1040 | ||
5e805e44 JJ |
1041 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1042 | ||
1043 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1044 | p = code->ext.close; |
1045 | ||
7aba8abe | 1046 | if (p->iomsg) |
5e805e44 JJ |
1047 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1048 | p->iomsg); | |
7aba8abe | 1049 | |
6de9cd9a | 1050 | if (p->iostat) |
5e805e44 JJ |
1051 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1052 | p->iostat); | |
6de9cd9a DN |
1053 | |
1054 | if (p->err) | |
5e805e44 JJ |
1055 | mask |= IOPARM_common_err; |
1056 | ||
f96d606f JD |
1057 | if (p->status) |
1058 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1059 | p->status); | |
1060 | ||
5e805e44 | 1061 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1062 | |
f96d606f JD |
1063 | if (p->unit) |
1064 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1065 | else | |
1066 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1067 | ||
628c189e | 1068 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1069 | tmp = build_call_expr_loc (input_location, |
1070 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1071 | gfc_add_expr_to_block (&block, tmp); |
1072 | ||
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 | /* Common subroutine for building a file positioning statement. */ | |
1082 | ||
1083 | static tree | |
1084 | build_filepos (tree function, gfc_code * code) | |
1085 | { | |
7aba8abe | 1086 | stmtblock_t block, post_block; |
6de9cd9a | 1087 | gfc_filepos *p; |
5e805e44 JJ |
1088 | tree tmp, var; |
1089 | unsigned int mask = 0; | |
6de9cd9a DN |
1090 | |
1091 | p = code->ext.filepos; | |
1092 | ||
5e805e44 | 1093 | gfc_start_block (&block); |
7aba8abe | 1094 | gfc_init_block (&post_block); |
6de9cd9a | 1095 | |
5e805e44 JJ |
1096 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1097 | "filepos_parm"); | |
1098 | ||
1099 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1100 | |
7aba8abe | 1101 | if (p->iomsg) |
5e805e44 JJ |
1102 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1103 | p->iomsg); | |
7aba8abe | 1104 | |
6de9cd9a | 1105 | if (p->iostat) |
5e805e44 JJ |
1106 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1107 | p->iostat); | |
6de9cd9a DN |
1108 | |
1109 | if (p->err) | |
5e805e44 JJ |
1110 | mask |= IOPARM_common_err; |
1111 | ||
1112 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1113 | |
f96d606f JD |
1114 | if (p->unit) |
1115 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1116 | else | |
1117 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1118 | ||
628c189e | 1119 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1120 | tmp = build_call_expr_loc (input_location, |
1121 | function, 1, tmp); | |
6de9cd9a DN |
1122 | gfc_add_expr_to_block (&block, tmp); |
1123 | ||
7aba8abe TK |
1124 | gfc_add_block_to_block (&block, &post_block); |
1125 | ||
5e805e44 | 1126 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1127 | |
1128 | return gfc_finish_block (&block); | |
1129 | } | |
1130 | ||
1131 | ||
1132 | /* Translate a BACKSPACE statement. */ | |
1133 | ||
1134 | tree | |
1135 | gfc_trans_backspace (gfc_code * code) | |
1136 | { | |
5e805e44 | 1137 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1138 | } |
1139 | ||
1140 | ||
1141 | /* Translate an ENDFILE statement. */ | |
1142 | ||
1143 | tree | |
1144 | gfc_trans_endfile (gfc_code * code) | |
1145 | { | |
5e805e44 | 1146 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1147 | } |
1148 | ||
1149 | ||
1150 | /* Translate a REWIND statement. */ | |
1151 | ||
1152 | tree | |
1153 | gfc_trans_rewind (gfc_code * code) | |
1154 | { | |
5e805e44 | 1155 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1156 | } |
1157 | ||
1158 | ||
6403ec5f JB |
1159 | /* Translate a FLUSH statement. */ |
1160 | ||
1161 | tree | |
1162 | gfc_trans_flush (gfc_code * code) | |
1163 | { | |
5e805e44 | 1164 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1165 | } |
1166 | ||
1167 | ||
c16dd6a8 JD |
1168 | /* Create a dummy iostat variable to catch any error due to bad unit. */ |
1169 | ||
1170 | static gfc_expr * | |
1171 | create_dummy_iostat (void) | |
1172 | { | |
1173 | gfc_symtree *st; | |
1174 | gfc_expr *e; | |
1175 | ||
1176 | gfc_get_ha_sym_tree ("@iostat", &st); | |
1177 | st->n.sym->ts.type = BT_INTEGER; | |
1178 | st->n.sym->ts.kind = gfc_default_integer_kind; | |
1179 | gfc_set_sym_referenced (st->n.sym); | |
bc9d9552 | 1180 | gfc_commit_symbol (st->n.sym); |
c16dd6a8 JD |
1181 | st->n.sym->backend_decl |
1182 | = gfc_create_var (gfc_get_int_type (st->n.sym->ts.kind), | |
1183 | st->n.sym->name); | |
1184 | ||
1185 | e = gfc_get_expr (); | |
1186 | e->expr_type = EXPR_VARIABLE; | |
1187 | e->symtree = st; | |
1188 | e->ts.type = BT_INTEGER; | |
1189 | e->ts.kind = st->n.sym->ts.kind; | |
1190 | ||
1191 | return e; | |
1192 | } | |
1193 | ||
1194 | ||
6de9cd9a DN |
1195 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1196 | ||
1197 | tree | |
1198 | gfc_trans_inquire (gfc_code * code) | |
1199 | { | |
1200 | stmtblock_t block, post_block; | |
1201 | gfc_inquire *p; | |
5e805e44 | 1202 | tree tmp, var; |
6f0f0b2e | 1203 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1204 | |
5e805e44 | 1205 | gfc_start_block (&block); |
6de9cd9a DN |
1206 | gfc_init_block (&post_block); |
1207 | ||
5e805e44 JJ |
1208 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1209 | "inquire_parm"); | |
1210 | ||
1211 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1212 | p = code->ext.inquire; |
1213 | ||
7aba8abe | 1214 | if (p->iomsg) |
5e805e44 JJ |
1215 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1216 | p->iomsg); | |
7aba8abe | 1217 | |
6de9cd9a | 1218 | if (p->iostat) |
5e805e44 JJ |
1219 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1220 | p->iostat); | |
6de9cd9a | 1221 | |
f96d606f JD |
1222 | if (p->err) |
1223 | mask |= IOPARM_common_err; | |
1224 | ||
1225 | /* Sanity check. */ | |
1226 | if (p->unit && p->file) | |
1227 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1228 | ||
1229 | if (p->file) | |
1230 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1231 | p->file); | |
1232 | ||
6de9cd9a | 1233 | if (p->exist) |
c16dd6a8 JD |
1234 | { |
1235 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, | |
1236 | p->exist); | |
1237 | ||
1238 | if (p->unit && !p->iostat) | |
1239 | { | |
1240 | p->iostat = create_dummy_iostat (); | |
1241 | mask |= set_parameter_ref (&block, &post_block, var, | |
1242 | IOPARM_common_iostat, p->iostat); | |
1243 | } | |
1244 | } | |
6de9cd9a DN |
1245 | |
1246 | if (p->opened) | |
5e805e44 JJ |
1247 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1248 | p->opened); | |
6de9cd9a DN |
1249 | |
1250 | if (p->number) | |
5e805e44 JJ |
1251 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1252 | p->number); | |
6de9cd9a DN |
1253 | |
1254 | if (p->named) | |
5e805e44 JJ |
1255 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1256 | p->named); | |
6de9cd9a DN |
1257 | |
1258 | if (p->name) | |
5e805e44 JJ |
1259 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1260 | p->name); | |
6de9cd9a DN |
1261 | |
1262 | if (p->access) | |
5e805e44 JJ |
1263 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1264 | p->access); | |
6de9cd9a DN |
1265 | |
1266 | if (p->sequential) | |
5e805e44 JJ |
1267 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1268 | p->sequential); | |
6de9cd9a DN |
1269 | |
1270 | if (p->direct) | |
5e805e44 JJ |
1271 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1272 | p->direct); | |
6de9cd9a DN |
1273 | |
1274 | if (p->form) | |
5e805e44 JJ |
1275 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1276 | p->form); | |
6de9cd9a DN |
1277 | |
1278 | if (p->formatted) | |
5e805e44 JJ |
1279 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1280 | p->formatted); | |
6de9cd9a DN |
1281 | |
1282 | if (p->unformatted) | |
5e805e44 JJ |
1283 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1284 | p->unformatted); | |
6de9cd9a DN |
1285 | |
1286 | if (p->recl) | |
5e805e44 JJ |
1287 | mask |= set_parameter_ref (&block, &post_block, var, |
1288 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1289 | |
1290 | if (p->nextrec) | |
5e805e44 JJ |
1291 | mask |= set_parameter_ref (&block, &post_block, var, |
1292 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1293 | |
1294 | if (p->blank) | |
5e805e44 JJ |
1295 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1296 | p->blank); | |
6de9cd9a | 1297 | |
d06b3496 JD |
1298 | if (p->delim) |
1299 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1300 | p->delim); | |
1301 | ||
6de9cd9a | 1302 | if (p->position) |
5e805e44 JJ |
1303 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1304 | p->position); | |
6de9cd9a DN |
1305 | |
1306 | if (p->action) | |
5e805e44 JJ |
1307 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1308 | p->action); | |
6de9cd9a DN |
1309 | |
1310 | if (p->read) | |
5e805e44 JJ |
1311 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1312 | p->read); | |
6de9cd9a DN |
1313 | |
1314 | if (p->write) | |
5e805e44 JJ |
1315 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1316 | p->write); | |
6de9cd9a DN |
1317 | |
1318 | if (p->readwrite) | |
5e805e44 JJ |
1319 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1320 | p->readwrite); | |
6de9cd9a | 1321 | |
dae24534 | 1322 | if (p->pad) |
5e805e44 JJ |
1323 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1324 | p->pad); | |
d06b3496 | 1325 | |
181c9f4a TK |
1326 | if (p->convert) |
1327 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1328 | p->convert); | |
1329 | ||
014ec6ee JD |
1330 | if (p->strm_pos) |
1331 | mask |= set_parameter_ref (&block, &post_block, var, | |
1332 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1333 | ||
6f0f0b2e JD |
1334 | /* The second series of flags. */ |
1335 | if (p->asynchronous) | |
1336 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1337 | p->asynchronous); | |
1338 | ||
1339 | if (p->decimal) | |
1340 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1341 | p->decimal); | |
1342 | ||
1343 | if (p->encoding) | |
1344 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1345 | p->encoding); | |
1346 | ||
1347 | if (p->round) | |
1348 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1349 | p->round); | |
1350 | ||
1351 | if (p->sign) | |
1352 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1353 | p->sign); | |
1354 | ||
1355 | if (p->pending) | |
1356 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1357 | IOPARM_inquire_pending, p->pending); | |
1358 | ||
1359 | if (p->size) | |
1360 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1361 | p->size); | |
1362 | ||
1363 | if (p->id) | |
d06b3496 JD |
1364 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1365 | p->id); | |
93e8af19 JD |
1366 | if (p->iqstream) |
1367 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_iqstream, | |
1368 | p->iqstream); | |
6f0f0b2e | 1369 | |
6f0f0b2e | 1370 | if (mask2) |
e1456843 | 1371 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1372 | |
5e805e44 | 1373 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1374 | |
f96d606f JD |
1375 | if (p->unit) |
1376 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1377 | else | |
1378 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1379 | ||
628c189e | 1380 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1381 | tmp = build_call_expr_loc (input_location, |
1382 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1383 | gfc_add_expr_to_block (&block, tmp); |
1384 | ||
1385 | gfc_add_block_to_block (&block, &post_block); | |
1386 | ||
5e805e44 | 1387 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1388 | |
1389 | return gfc_finish_block (&block); | |
1390 | } | |
1391 | ||
6f0f0b2e JD |
1392 | |
1393 | tree | |
1394 | gfc_trans_wait (gfc_code * code) | |
1395 | { | |
1396 | stmtblock_t block, post_block; | |
1397 | gfc_wait *p; | |
1398 | tree tmp, var; | |
1399 | unsigned int mask = 0; | |
1400 | ||
1401 | gfc_start_block (&block); | |
1402 | gfc_init_block (&post_block); | |
1403 | ||
1404 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1405 | "wait_parm"); | |
1406 | ||
1407 | set_error_locus (&block, var, &code->loc); | |
1408 | p = code->ext.wait; | |
1409 | ||
1410 | /* Set parameters here. */ | |
1411 | if (p->iomsg) | |
1412 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1413 | p->iomsg); | |
1414 | ||
1415 | if (p->iostat) | |
1416 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1417 | p->iostat); | |
1418 | ||
1419 | if (p->err) | |
1420 | mask |= IOPARM_common_err; | |
1421 | ||
1422 | if (p->id) | |
1423 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); | |
1424 | ||
1425 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1426 | ||
1427 | if (p->unit) | |
1428 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1429 | ||
628c189e | 1430 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1431 | tmp = build_call_expr_loc (input_location, |
1432 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1433 | gfc_add_expr_to_block (&block, tmp); |
1434 | ||
1435 | gfc_add_block_to_block (&block, &post_block); | |
1436 | ||
1437 | io_result (&block, var, p->err, NULL, NULL); | |
1438 | ||
1439 | return gfc_finish_block (&block); | |
1440 | ||
1441 | } | |
1442 | ||
6de9cd9a | 1443 | |
29dc5138 | 1444 | /* nml_full_name builds up the fully qualified name of a |
66e4ab31 | 1445 | derived type component. */ |
29dc5138 PT |
1446 | |
1447 | static char* | |
1448 | nml_full_name (const char* var_name, const char* cmp_name) | |
6de9cd9a | 1449 | { |
29dc5138 PT |
1450 | int full_name_length; |
1451 | char * full_name; | |
1452 | ||
1453 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
93acb62c | 1454 | full_name = XCNEWVEC (char, full_name_length + 1); |
29dc5138 PT |
1455 | strcpy (full_name, var_name); |
1456 | full_name = strcat (full_name, "%"); | |
1457 | full_name = strcat (full_name, cmp_name); | |
1458 | return full_name; | |
6de9cd9a DN |
1459 | } |
1460 | ||
19d36107 | 1461 | |
29dc5138 PT |
1462 | /* nml_get_addr_expr builds an address expression from the |
1463 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1464 | provided so that the address of an element of an array of | |
1465 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1466 | determine that span of the derived type. */ |
29dc5138 PT |
1467 | |
1468 | static tree | |
1469 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1470 | tree base_addr) | |
1471 | { | |
1472 | tree decl = NULL_TREE; | |
1473 | tree tmp; | |
29dc5138 PT |
1474 | |
1475 | if (sym) | |
1476 | { | |
1477 | sym->attr.referenced = 1; | |
1478 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1479 | |
1480 | /* If this is the enclosing function declaration, use | |
1481 | the fake result instead. */ | |
1482 | if (decl == current_function_decl) | |
1483 | decl = gfc_get_fake_result_decl (sym, 0); | |
1484 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1485 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1486 | } |
1487 | else | |
1488 | decl = c->backend_decl; | |
1489 | ||
1490 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1491 | || TREE_CODE (decl) == VAR_DECL | |
1492 | || TREE_CODE (decl) == PARM_DECL) | |
1493 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1494 | ||
1495 | tmp = decl; | |
1496 | ||
1497 | /* Build indirect reference, if dummy argument. */ | |
1498 | ||
19d36107 TB |
1499 | if (POINTER_TYPE_P (TREE_TYPE(tmp))) |
1500 | tmp = build_fold_indirect_ref_loc (input_location, tmp); | |
29dc5138 PT |
1501 | |
1502 | /* Treat the component of a derived type, using base_addr for | |
1503 | the derived type. */ | |
1504 | ||
1505 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1506 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1507 | base_addr, tmp, NULL_TREE); | |
29dc5138 | 1508 | |
19d36107 TB |
1509 | if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (tmp))) |
1510 | tmp = gfc_conv_array_data (tmp); | |
1511 | else | |
1512 | { | |
1513 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) | |
1514 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); | |
29dc5138 | 1515 | |
19d36107 TB |
1516 | if (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) |
1517 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); | |
29dc5138 | 1518 | |
19d36107 TB |
1519 | if (!POINTER_TYPE_P (TREE_TYPE (tmp))) |
1520 | tmp = build_fold_indirect_ref_loc (input_location, | |
db3927fb | 1521 | tmp); |
19d36107 | 1522 | } |
29dc5138 PT |
1523 | |
1524 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1525 | ||
1526 | return tmp; | |
1527 | } | |
3bc268e6 | 1528 | |
19d36107 | 1529 | |
29dc5138 | 1530 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1531 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1532 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1533 | |
29dc5138 | 1534 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1535 | |
1536 | static void | |
29dc5138 PT |
1537 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1538 | gfc_symbol * sym, gfc_component * c, | |
1539 | tree base_addr) | |
3bc268e6 | 1540 | { |
29dc5138 PT |
1541 | gfc_typespec * ts = NULL; |
1542 | gfc_array_spec * as = NULL; | |
1543 | tree addr_expr = NULL; | |
1544 | tree dt = NULL; | |
1545 | tree string; | |
1546 | tree tmp; | |
29dc5138 | 1547 | tree dtype; |
5e805e44 | 1548 | tree dt_parm_addr; |
19d36107 | 1549 | tree decl = NULL_TREE; |
29dc5138 PT |
1550 | int n_dim; |
1551 | int itype; | |
1552 | int rank = 0; | |
3bc268e6 | 1553 | |
29dc5138 | 1554 | gcc_assert (sym || c); |
3bc268e6 | 1555 | |
29dc5138 PT |
1556 | /* Build the namelist object name. */ |
1557 | ||
1558 | string = gfc_build_cstring_const (var_name); | |
1559 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1560 | ||
1561 | /* Build ts, as and data address using symbol or component. */ | |
1562 | ||
1563 | ts = (sym) ? &sym->ts : &c->ts; | |
1564 | as = (sym) ? sym->as : c->as; | |
1565 | ||
1566 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1567 | ||
1568 | if (as) | |
1569 | rank = as->rank; | |
1570 | ||
1571 | if (rank) | |
3bc268e6 | 1572 | { |
19d36107 TB |
1573 | decl = (sym) ? sym->backend_decl : c->backend_decl; |
1574 | if (sym && sym->attr.dummy) | |
1575 | decl = build_fold_indirect_ref_loc (input_location, decl); | |
1576 | dt = TREE_TYPE (decl); | |
29dc5138 | 1577 | dtype = gfc_get_dtype (dt); |
3bc268e6 | 1578 | } |
29dc5138 PT |
1579 | else |
1580 | { | |
a11930ba | 1581 | itype = ts->type; |
29dc5138 | 1582 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1583 | } |
1584 | ||
29dc5138 PT |
1585 | /* Build up the arguments for the transfer call. |
1586 | The call for the scalar part transfers: | |
1587 | (address, name, type, kind or string_length, dtype) */ | |
1588 | ||
628c189e | 1589 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 PT |
1590 | |
1591 | if (ts->type == BT_CHARACTER) | |
bc21d315 | 1592 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1593 | else |
5039610b | 1594 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
db3927fb AH |
1595 | tmp = build_call_expr_loc (input_location, |
1596 | iocall[IOCALL_SET_NML_VAL], 6, | |
5039610b SL |
1597 | dt_parm_addr, addr_expr, string, |
1598 | IARG (ts->kind), tmp, dtype); | |
3bc268e6 | 1599 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1600 | |
1601 | /* If the object is an array, transfer rank times: | |
1602 | (null pointer, name, stride, lbound, ubound) */ | |
1603 | ||
1604 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1605 | { | |
db3927fb AH |
1606 | tmp = build_call_expr_loc (input_location, |
1607 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b SL |
1608 | dt_parm_addr, |
1609 | IARG (n_dim), | |
19d36107 TB |
1610 | gfc_conv_array_stride (decl, n_dim), |
1611 | gfc_conv_array_lbound (decl, n_dim), | |
1612 | gfc_conv_array_ubound (decl, n_dim)); | |
29dc5138 PT |
1613 | gfc_add_expr_to_block (block, tmp); |
1614 | } | |
1615 | ||
fc2655fb | 1616 | if (ts->type == BT_DERIVED && ts->u.derived->components) |
29dc5138 PT |
1617 | { |
1618 | gfc_component *cmp; | |
1619 | ||
1620 | /* Provide the RECORD_TYPE to build component references. */ | |
1621 | ||
db3927fb AH |
1622 | tree expr = build_fold_indirect_ref_loc (input_location, |
1623 | addr_expr); | |
29dc5138 | 1624 | |
bc21d315 | 1625 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 PT |
1626 | { |
1627 | char *full_name = nml_full_name (var_name, cmp->name); | |
1628 | transfer_namelist_element (block, | |
1629 | full_name, | |
1630 | NULL, cmp, expr); | |
cede9502 | 1631 | free (full_name); |
29dc5138 PT |
1632 | } |
1633 | } | |
3bc268e6 | 1634 | } |
6de9cd9a | 1635 | |
29dc5138 | 1636 | #undef IARG |
29dc5138 | 1637 | |
6de9cd9a DN |
1638 | /* Create a data transfer statement. Not all of the fields are valid |
1639 | for both reading and writing, but improper use has been filtered | |
1640 | out by now. */ | |
1641 | ||
1642 | static tree | |
5e805e44 | 1643 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1644 | { |
d4feb3d3 | 1645 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1646 | gfc_dt *dt; |
5e805e44 | 1647 | tree tmp, var; |
29dc5138 | 1648 | gfc_expr *nmlname; |
3bc268e6 | 1649 | gfc_namelist *nml; |
5e1bdeb7 | 1650 | unsigned int mask = 0; |
6de9cd9a | 1651 | |
5e805e44 | 1652 | gfc_start_block (&block); |
6de9cd9a | 1653 | gfc_init_block (&post_block); |
5e805e44 | 1654 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1655 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1656 | |
1657 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1658 | ||
1659 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1660 | |
5e805e44 JJ |
1661 | if (last_dt == IOLENGTH) |
1662 | { | |
1663 | gfc_inquire *inq; | |
1664 | ||
1665 | inq = code->ext.inquire; | |
6de9cd9a | 1666 | |
5e805e44 JJ |
1667 | /* First check that preconditions are met. */ |
1668 | gcc_assert (inq != NULL); | |
1669 | gcc_assert (inq->iolength != NULL); | |
1670 | ||
1671 | /* Connect to the iolength variable. */ | |
1672 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1673 | IOPARM_dt_iolength, inq->iolength); | |
1674 | dt = NULL; | |
1675 | } | |
1676 | else | |
1677 | { | |
1678 | dt = code->ext.dt; | |
1679 | gcc_assert (dt != NULL); | |
1680 | } | |
8750f9cd | 1681 | |
5e805e44 | 1682 | if (dt && dt->io_unit) |
6de9cd9a DN |
1683 | { |
1684 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1685 | { | |
d4feb3d3 PT |
1686 | mask |= set_internal_unit (&block, &post_iu_block, |
1687 | var, dt->io_unit); | |
c8dce2cf JD |
1688 | set_parameter_const (&block, var, IOPARM_common_unit, |
1689 | dt->io_unit->ts.kind == 1 ? 0 : -1); | |
6de9cd9a | 1690 | } |
6de9cd9a | 1691 | } |
5e805e44 JJ |
1692 | else |
1693 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1694 | |
5e805e44 JJ |
1695 | if (dt) |
1696 | { | |
f96d606f JD |
1697 | if (dt->iomsg) |
1698 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1699 | dt->iomsg); | |
1700 | ||
1701 | if (dt->iostat) | |
1702 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1703 | IOPARM_common_iostat, dt->iostat); | |
1704 | ||
1705 | if (dt->err) | |
1706 | mask |= IOPARM_common_err; | |
1707 | ||
1708 | if (dt->eor) | |
1709 | mask |= IOPARM_common_eor; | |
1710 | ||
1711 | if (dt->end) | |
1712 | mask |= IOPARM_common_end; | |
1713 | ||
6f0f0b2e JD |
1714 | if (dt->id) |
1715 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1716 | IOPARM_dt_id, dt->id); | |
1717 | ||
1718 | if (dt->pos) | |
1719 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); | |
1720 | ||
1721 | if (dt->asynchronous) | |
1722 | mask |= set_string (&block, &post_block, var, IOPARM_dt_asynchronous, | |
1723 | dt->asynchronous); | |
1724 | ||
1725 | if (dt->blank) | |
1726 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1727 | dt->blank); | |
1728 | ||
1729 | if (dt->decimal) | |
1730 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1731 | dt->decimal); | |
1732 | ||
1733 | if (dt->delim) | |
1734 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1735 | dt->delim); | |
1736 | ||
1737 | if (dt->pad) | |
1738 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1739 | dt->pad); | |
1740 | ||
1741 | if (dt->round) | |
1742 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1743 | dt->round); | |
1744 | ||
1745 | if (dt->sign) | |
1746 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1747 | dt->sign); | |
1748 | ||
5e805e44 JJ |
1749 | if (dt->rec) |
1750 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); | |
6de9cd9a | 1751 | |
5e805e44 JJ |
1752 | if (dt->advance) |
1753 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1754 | dt->advance); | |
6de9cd9a | 1755 | |
5e805e44 | 1756 | if (dt->format_expr) |
9341698a | 1757 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1758 | dt->format_expr); |
6de9cd9a | 1759 | |
5e805e44 JJ |
1760 | if (dt->format_label) |
1761 | { | |
1762 | if (dt->format_label == &format_asterisk) | |
1763 | mask |= IOPARM_dt_list_format; | |
1764 | else | |
1765 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1766 | dt->format_label->format); | |
1767 | } | |
6de9cd9a | 1768 | |
5e805e44 JJ |
1769 | if (dt->size) |
1770 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1771 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1772 | |
5e805e44 JJ |
1773 | if (dt->namelist) |
1774 | { | |
1775 | if (dt->format_expr || dt->format_label) | |
1776 | gfc_internal_error ("build_dt: format with namelist"); | |
1777 | ||
b7e75771 JD |
1778 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1779 | dt->namelist->name, | |
1780 | strlen (dt->namelist->name)); | |
29dc5138 | 1781 | |
5e805e44 JJ |
1782 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1783 | nmlname); | |
29dc5138 | 1784 | |
76c1a7ec TB |
1785 | gfc_free_expr (nmlname); |
1786 | ||
5e805e44 JJ |
1787 | if (last_dt == READ) |
1788 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1789 | |
5e805e44 | 1790 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1791 | |
5e805e44 JJ |
1792 | dt_parm = var; |
1793 | ||
1794 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1795 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1796 | NULL, NULL_TREE); |
5e805e44 JJ |
1797 | } |
1798 | else | |
1799 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1800 | |
1801 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
1802 | set_parameter_value (&block, var, IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1803 | } |
5e805e44 JJ |
1804 | else |
1805 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1806 | |
628c189e | 1807 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 1808 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 1809 | function, 1, tmp); |
6de9cd9a DN |
1810 | gfc_add_expr_to_block (&block, tmp); |
1811 | ||
1812 | gfc_add_block_to_block (&block, &post_block); | |
1813 | ||
5e805e44 JJ |
1814 | dt_parm = var; |
1815 | dt_post_end_block = &post_end_block; | |
1816 | ||
bc51e726 JD |
1817 | /* Set implied do loop exit condition. */ |
1818 | if (last_dt == READ || last_dt == WRITE) | |
1819 | { | |
1820 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1821 | ||
65a9ca82 TB |
1822 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1823 | st_parameter[IOPARM_ptype_common].type, | |
1824 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1825 | NULL_TREE); | |
1826 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1827 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1828 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1829 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1830 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
1831 | } |
1832 | else /* IOLENGTH */ | |
1833 | tmp = NULL_TREE; | |
1834 | ||
1835 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 1836 | |
d4feb3d3 PT |
1837 | gfc_add_block_to_block (&block, &post_iu_block); |
1838 | ||
5e805e44 JJ |
1839 | dt_parm = NULL; |
1840 | dt_post_end_block = NULL; | |
1841 | ||
6de9cd9a DN |
1842 | return gfc_finish_block (&block); |
1843 | } | |
1844 | ||
1845 | ||
8750f9cd JB |
1846 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1847 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1848 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1849 | |
1850 | tree | |
1851 | gfc_trans_iolength (gfc_code * code) | |
1852 | { | |
8750f9cd | 1853 | last_dt = IOLENGTH; |
5e805e44 | 1854 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1855 | } |
1856 | ||
1857 | ||
6de9cd9a DN |
1858 | /* Translate a READ statement. */ |
1859 | ||
1860 | tree | |
1861 | gfc_trans_read (gfc_code * code) | |
1862 | { | |
6de9cd9a | 1863 | last_dt = READ; |
5e805e44 | 1864 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1865 | } |
1866 | ||
1867 | ||
1868 | /* Translate a WRITE statement */ | |
1869 | ||
1870 | tree | |
1871 | gfc_trans_write (gfc_code * code) | |
1872 | { | |
6de9cd9a | 1873 | last_dt = WRITE; |
5e805e44 | 1874 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1875 | } |
1876 | ||
1877 | ||
1878 | /* Finish a data transfer statement. */ | |
1879 | ||
1880 | tree | |
1881 | gfc_trans_dt_end (gfc_code * code) | |
1882 | { | |
1883 | tree function, tmp; | |
1884 | stmtblock_t block; | |
1885 | ||
1886 | gfc_init_block (&block); | |
1887 | ||
8750f9cd JB |
1888 | switch (last_dt) |
1889 | { | |
1890 | case READ: | |
5e805e44 | 1891 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1892 | break; |
1893 | ||
1894 | case WRITE: | |
5e805e44 | 1895 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1896 | break; |
1897 | ||
1898 | case IOLENGTH: | |
5e805e44 | 1899 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1900 | break; |
1901 | ||
1902 | default: | |
6e45f57b | 1903 | gcc_unreachable (); |
8750f9cd | 1904 | } |
6de9cd9a | 1905 | |
628c189e | 1906 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
1907 | tmp = build_call_expr_loc (input_location, |
1908 | function, 1, tmp); | |
6de9cd9a | 1909 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1910 | gfc_add_block_to_block (&block, dt_post_end_block); |
1911 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1912 | |
8750f9cd JB |
1913 | if (last_dt != IOLENGTH) |
1914 | { | |
6e45f57b | 1915 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1916 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1917 | code->ext.dt->end, code->ext.dt->eor); |
1918 | } | |
6de9cd9a DN |
1919 | |
1920 | return gfc_finish_block (&block); | |
1921 | } | |
1922 | ||
d2ccf6aa | 1923 | static void |
aa5e22f0 | 1924 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1925 | |
1926 | /* Given an array field in a derived type variable, generate the code | |
1927 | for the loop that iterates over array elements, and the code that | |
1928 | accesses those array elements. Use transfer_expr to generate code | |
1929 | for transferring that element. Because elements may also be | |
1930 | derived types, transfer_expr and transfer_array_component are mutually | |
1931 | recursive. */ | |
1932 | ||
1933 | static tree | |
bdfd2ff0 | 1934 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
1935 | { |
1936 | tree tmp; | |
1937 | stmtblock_t body; | |
1938 | stmtblock_t block; | |
1939 | gfc_loopinfo loop; | |
1940 | int n; | |
1941 | gfc_ss *ss; | |
1942 | gfc_se se; | |
08dcec61 | 1943 | gfc_array_info *ss_array; |
d2ccf6aa VL |
1944 | |
1945 | gfc_start_block (&block); | |
1946 | gfc_init_se (&se, NULL); | |
1947 | ||
1948 | /* Create and initialize Scalarization Status. Unlike in | |
1949 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1950 | care of this task, because we don't have a gfc_expr at hand. | |
1951 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1952 | ||
66877276 MM |
1953 | ss = gfc_get_array_ss (gfc_ss_terminator, NULL, cm->as->rank, |
1954 | GFC_SS_COMPONENT); | |
1838afec | 1955 | ss_array = &ss->info->data.array; |
08dcec61 MM |
1956 | ss_array->shape = gfc_get_shape (cm->as->rank); |
1957 | ss_array->descriptor = expr; | |
1958 | ss_array->data = gfc_conv_array_data (expr); | |
1959 | ss_array->offset = gfc_conv_array_offset (expr); | |
d2ccf6aa VL |
1960 | for (n = 0; n < cm->as->rank; n++) |
1961 | { | |
08dcec61 MM |
1962 | ss_array->start[n] = gfc_conv_array_lbound (expr, n); |
1963 | ss_array->stride[n] = gfc_index_one_node; | |
d2ccf6aa | 1964 | |
08dcec61 MM |
1965 | mpz_init (ss_array->shape[n]); |
1966 | mpz_sub (ss_array->shape[n], cm->as->upper[n]->value.integer, | |
d2ccf6aa | 1967 | cm->as->lower[n]->value.integer); |
08dcec61 | 1968 | mpz_add_ui (ss_array->shape[n], ss_array->shape[n], 1); |
d2ccf6aa VL |
1969 | } |
1970 | ||
f7b529fa | 1971 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1972 | |
1973 | gfc_init_loopinfo (&loop); | |
1974 | gfc_add_ss_to_loop (&loop, ss); | |
1975 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 1976 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
1977 | gfc_mark_ss_chain_used (ss, 1); |
1978 | gfc_start_scalarized_body (&loop, &body); | |
1979 | ||
1980 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1981 | se.ss = ss; | |
1982 | ||
1983 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
1984 | se.expr = expr; | |
1985 | gfc_conv_tmp_array_ref (&se); | |
1986 | ||
1987 | /* Now se.expr contains an element of the array. Take the address and pass | |
1988 | it to the IO routines. */ | |
628c189e | 1989 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
aa5e22f0 | 1990 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
1991 | |
1992 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 1993 | return. */ |
d2ccf6aa VL |
1994 | |
1995 | gfc_add_block_to_block (&body, &se.pre); | |
1996 | gfc_add_block_to_block (&body, &se.post); | |
1997 | ||
1998 | gfc_trans_scalarizing_loops (&loop, &body); | |
1999 | ||
2000 | gfc_add_block_to_block (&block, &loop.pre); | |
2001 | gfc_add_block_to_block (&block, &loop.post); | |
2002 | ||
08dcec61 MM |
2003 | gcc_assert (ss_array->shape != NULL); |
2004 | gfc_free_shape (&ss_array->shape, cm->as->rank); | |
96654664 PB |
2005 | gfc_cleanup_loop (&loop); |
2006 | ||
d2ccf6aa VL |
2007 | return gfc_finish_block (&block); |
2008 | } | |
6de9cd9a DN |
2009 | |
2010 | /* Generate the call for a scalar transfer node. */ | |
2011 | ||
2012 | static void | |
aa5e22f0 | 2013 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 2014 | { |
8a221914 | 2015 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2016 | gfc_component *c; |
2017 | int kind; | |
2018 | ||
a8b3b0b6 CR |
2019 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2020 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2021 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2022 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2023 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2024 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2025 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2026 | && ts->u.derived != NULL | |
2027 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2028 | { |
cadddfdd TB |
2029 | ts->type = BT_INTEGER; |
2030 | ts->kind = gfc_index_integer_kind; | |
a8b3b0b6 CR |
2031 | } |
2032 | ||
6de9cd9a DN |
2033 | kind = ts->kind; |
2034 | function = NULL; | |
2035 | arg2 = NULL; | |
8a221914 | 2036 | arg3 = NULL; |
6de9cd9a DN |
2037 | |
2038 | switch (ts->type) | |
2039 | { | |
2040 | case BT_INTEGER: | |
df09d1d5 | 2041 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2042 | if (last_dt == READ) |
2043 | function = iocall[IOCALL_X_INTEGER]; | |
2044 | else | |
2045 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2046 | ||
6de9cd9a DN |
2047 | break; |
2048 | ||
2049 | case BT_REAL: | |
df09d1d5 | 2050 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2051 | if (last_dt == READ) |
1ec601bf FXC |
2052 | { |
2053 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2054 | function = iocall[IOCALL_X_REAL128]; | |
2055 | else | |
2056 | function = iocall[IOCALL_X_REAL]; | |
2057 | } | |
6eb6875d | 2058 | else |
1ec601bf FXC |
2059 | { |
2060 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2061 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2062 | else | |
2063 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2064 | } | |
6eb6875d | 2065 | |
6de9cd9a DN |
2066 | break; |
2067 | ||
2068 | case BT_COMPLEX: | |
df09d1d5 | 2069 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d | 2070 | if (last_dt == READ) |
1ec601bf FXC |
2071 | { |
2072 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2073 | function = iocall[IOCALL_X_COMPLEX128]; | |
2074 | else | |
2075 | function = iocall[IOCALL_X_COMPLEX]; | |
2076 | } | |
6eb6875d | 2077 | else |
1ec601bf FXC |
2078 | { |
2079 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2080 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2081 | else | |
2082 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2083 | } | |
6eb6875d | 2084 | |
6de9cd9a DN |
2085 | break; |
2086 | ||
2087 | case BT_LOGICAL: | |
df09d1d5 | 2088 | arg2 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2089 | if (last_dt == READ) |
2090 | function = iocall[IOCALL_X_LOGICAL]; | |
2091 | else | |
2092 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2093 | ||
6de9cd9a DN |
2094 | break; |
2095 | ||
2096 | case BT_CHARACTER: | |
8a221914 JD |
2097 | if (kind == 4) |
2098 | { | |
2099 | if (se->string_length) | |
2100 | arg2 = se->string_length; | |
2101 | else | |
2102 | { | |
db3927fb AH |
2103 | tmp = build_fold_indirect_ref_loc (input_location, |
2104 | addr_expr); | |
8a221914 JD |
2105 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2106 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2107 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2108 | } | |
df09d1d5 | 2109 | arg3 = build_int_cst (integer_type_node, kind); |
6eb6875d TK |
2110 | if (last_dt == READ) |
2111 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2112 | else | |
2113 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
2114 | ||
628c189e | 2115 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2116 | tmp = build_call_expr_loc (input_location, |
2117 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2118 | gfc_add_expr_to_block (&se->pre, tmp); |
2119 | gfc_add_block_to_block (&se->pre, &se->post); | |
2120 | return; | |
2121 | } | |
2122 | /* Fall through. */ | |
7b95e2a8 | 2123 | case BT_HOLLERITH: |
d2ccf6aa VL |
2124 | if (se->string_length) |
2125 | arg2 = se->string_length; | |
2126 | else | |
2127 | { | |
db3927fb AH |
2128 | tmp = build_fold_indirect_ref_loc (input_location, |
2129 | addr_expr); | |
d2ccf6aa VL |
2130 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2131 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2132 | } | |
6eb6875d TK |
2133 | if (last_dt == READ) |
2134 | function = iocall[IOCALL_X_CHARACTER]; | |
2135 | else | |
2136 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2137 | ||
6de9cd9a DN |
2138 | break; |
2139 | ||
2140 | case BT_DERIVED: | |
fc2655fb TB |
2141 | if (ts->u.derived->components == NULL) |
2142 | return; | |
2143 | ||
d2ccf6aa | 2144 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 2145 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
db3927fb AH |
2146 | expr = build_fold_indirect_ref_loc (input_location, |
2147 | expr); | |
6de9cd9a | 2148 | |
bc21d315 | 2149 | for (c = ts->u.derived->components; c; c = c->next) |
6de9cd9a DN |
2150 | { |
2151 | field = c->backend_decl; | |
6e45f57b | 2152 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 2153 | |
db3927fb AH |
2154 | tmp = fold_build3_loc (UNKNOWN_LOCATION, |
2155 | COMPONENT_REF, TREE_TYPE (field), | |
44855d8c | 2156 | expr, field, NULL_TREE); |
6de9cd9a | 2157 | |
d4b7d0f0 | 2158 | if (c->attr.dimension) |
d2ccf6aa | 2159 | { |
bdfd2ff0 | 2160 | tmp = transfer_array_component (tmp, c, & code->loc); |
d2ccf6aa VL |
2161 | gfc_add_expr_to_block (&se->pre, tmp); |
2162 | } | |
2163 | else | |
2164 | { | |
d4b7d0f0 | 2165 | if (!c->attr.pointer) |
628c189e | 2166 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
aa5e22f0 | 2167 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 2168 | } |
6de9cd9a DN |
2169 | } |
2170 | return; | |
2171 | ||
2172 | default: | |
2173 | internal_error ("Bad IO basetype (%d)", ts->type); | |
2174 | } | |
2175 | ||
628c189e | 2176 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2177 | tmp = build_call_expr_loc (input_location, |
2178 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2179 | gfc_add_expr_to_block (&se->pre, tmp); |
2180 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2181 | |
6de9cd9a DN |
2182 | } |
2183 | ||
2184 | ||
18623fae JB |
2185 | /* Generate a call to pass an array descriptor to the IO library. The |
2186 | array should be of one of the intrinsic types. */ | |
2187 | ||
2188 | static void | |
2189 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2190 | { | |
6eb6875d | 2191 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2192 | |
2193 | if (ts->type == BT_CHARACTER) | |
2194 | charlen_arg = se->string_length; | |
2195 | else | |
df09d1d5 | 2196 | charlen_arg = build_int_cst (gfc_charlen_type_node, 0); |
18623fae | 2197 | |
df09d1d5 | 2198 | kind_arg = build_int_cst (integer_type_node, ts->kind); |
e5ef4b3b | 2199 | |
628c189e | 2200 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2201 | if (last_dt == READ) |
2202 | io_call = iocall[IOCALL_X_ARRAY]; | |
2203 | else | |
2204 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2205 | ||
033e7d21 | 2206 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2207 | io_call, 4, |
5039610b | 2208 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2209 | gfc_add_expr_to_block (&se->pre, tmp); |
2210 | gfc_add_block_to_block (&se->pre, &se->post); | |
2211 | } | |
2212 | ||
2213 | ||
6de9cd9a DN |
2214 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2215 | ||
2216 | tree | |
2217 | gfc_trans_transfer (gfc_code * code) | |
2218 | { | |
2219 | stmtblock_t block, body; | |
2220 | gfc_loopinfo loop; | |
2221 | gfc_expr *expr; | |
99c7ab42 | 2222 | gfc_ref *ref; |
6de9cd9a DN |
2223 | gfc_ss *ss; |
2224 | gfc_se se; | |
2225 | tree tmp; | |
c63173dd | 2226 | int n; |
6de9cd9a DN |
2227 | |
2228 | gfc_start_block (&block); | |
18623fae | 2229 | gfc_init_block (&body); |
6de9cd9a | 2230 | |
a513927a | 2231 | expr = code->expr1; |
99c7ab42 | 2232 | ref = NULL; |
6de9cd9a DN |
2233 | gfc_init_se (&se, NULL); |
2234 | ||
2960a368 | 2235 | if (expr->rank == 0) |
18623fae | 2236 | { |
815d8045 | 2237 | /* Transfer a scalar value. */ |
18623fae | 2238 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2239 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2240 | } |
815d8045 | 2241 | else |
6de9cd9a | 2242 | { |
99c7ab42 PT |
2243 | /* Transfer an array. If it is an array of an intrinsic |
2244 | type, pass the descriptor to the library. Otherwise | |
2245 | scalarize the transfer. */ | |
2a573572 | 2246 | if (expr->ref && !gfc_is_proc_ptr_comp (expr)) |
99c7ab42 PT |
2247 | { |
2248 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
fc2655fb TB |
2249 | ref = ref->next); |
2250 | gcc_assert (ref && ref->type == REF_ARRAY); | |
99c7ab42 PT |
2251 | } |
2252 | ||
1d6b7f39 PT |
2253 | if (expr->ts.type != BT_DERIVED |
2254 | && ref && ref->next == NULL | |
2255 | && !is_subref_array (expr)) | |
815d8045 | 2256 | { |
c63173dd PT |
2257 | bool seen_vector = false; |
2258 | ||
2259 | if (ref && ref->u.ar.type == AR_SECTION) | |
2260 | { | |
2261 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2262 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
2263 | seen_vector = true; | |
2264 | } | |
2265 | ||
2266 | if (seen_vector && last_dt == READ) | |
2267 | { | |
2268 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2269 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2270 | tmp = se.expr; |
2271 | } | |
2272 | else | |
2273 | { | |
2274 | /* Get the descriptor. */ | |
2960a368 | 2275 | gfc_conv_expr_descriptor (&se, expr); |
628c189e | 2276 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2277 | } |
2278 | ||
99c7ab42 PT |
2279 | transfer_array_desc (&se, &expr->ts, tmp); |
2280 | goto finish_block_label; | |
815d8045 | 2281 | } |
2960a368 | 2282 | |
6de9cd9a | 2283 | /* Initialize the scalarizer. */ |
2960a368 | 2284 | ss = gfc_walk_expr (expr); |
6de9cd9a DN |
2285 | gfc_init_loopinfo (&loop); |
2286 | gfc_add_ss_to_loop (&loop, ss); | |
2287 | ||
2288 | /* Initialize the loop. */ | |
2289 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2290 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2291 | |
2292 | /* The main loop body. */ | |
2293 | gfc_mark_ss_chain_used (ss, 1); | |
2294 | gfc_start_scalarized_body (&loop, &body); | |
2295 | ||
2296 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2297 | se.ss = ss; | |
6de9cd9a | 2298 | |
18623fae | 2299 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2300 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2301 | } |
815d8045 JB |
2302 | |
2303 | finish_block_label: | |
6de9cd9a DN |
2304 | |
2305 | gfc_add_block_to_block (&body, &se.pre); | |
2306 | gfc_add_block_to_block (&body, &se.post); | |
2307 | ||
2308 | if (se.ss == NULL) | |
2309 | tmp = gfc_finish_block (&body); | |
2310 | else | |
2311 | { | |
770caa74 | 2312 | gcc_assert (expr->rank != 0); |
6e45f57b | 2313 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2314 | gfc_trans_scalarizing_loops (&loop, &body); |
2315 | ||
2316 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2317 | tmp = gfc_finish_block (&loop.pre); | |
2318 | gfc_cleanup_loop (&loop); | |
2319 | } | |
2320 | ||
2321 | gfc_add_expr_to_block (&block, tmp); | |
2322 | ||
d2ccf6aa | 2323 | return gfc_finish_block (&block); |
6de9cd9a DN |
2324 | } |
2325 | ||
2326 | #include "gt-fortran-trans-io.h" |