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6de9cd9a | 1 | /* IO Code translation/library interface |
fa502cb2 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
7d1f1e61 | 3 | Free Software Foundation, Inc. |
6de9cd9a DN |
4 | Contributed by Paul Brook |
5 | ||
9fc4d79b | 6 | This file is part of GCC. |
6de9cd9a | 7 | |
9fc4d79b TS |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
d234d788 | 10 | Software Foundation; either version 3, or (at your option) any later |
9fc4d79b | 11 | version. |
6de9cd9a | 12 | |
9fc4d79b TS |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
6de9cd9a DN |
17 | |
18 | You should have received a copy of the GNU General Public License | |
d234d788 NC |
19 | along with GCC; see the file COPYING3. If not see |
20 | <http://www.gnu.org/licenses/>. */ | |
6de9cd9a DN |
21 | |
22 | ||
23 | #include "config.h" | |
24 | #include "system.h" | |
25 | #include "coretypes.h" | |
26 | #include "tree.h" | |
6de9cd9a | 27 | #include "ggc.h" |
c829d016 | 28 | #include "diagnostic-core.h" /* For internal_error. */ |
6de9cd9a DN |
29 | #include "gfortran.h" |
30 | #include "trans.h" | |
31 | #include "trans-stmt.h" | |
32 | #include "trans-array.h" | |
33 | #include "trans-types.h" | |
34 | #include "trans-const.h" | |
35 | ||
6de9cd9a DN |
36 | /* Members of the ioparm structure. */ |
37 | ||
5e805e44 JJ |
38 | enum ioparam_type |
39 | { | |
40 | IOPARM_ptype_common, | |
41 | IOPARM_ptype_open, | |
42 | IOPARM_ptype_close, | |
43 | IOPARM_ptype_filepos, | |
44 | IOPARM_ptype_inquire, | |
45 | IOPARM_ptype_dt, | |
6f0f0b2e | 46 | IOPARM_ptype_wait, |
5e805e44 JJ |
47 | IOPARM_ptype_num |
48 | }; | |
49 | ||
50 | enum iofield_type | |
51 | { | |
52 | IOPARM_type_int4, | |
014ec6ee | 53 | IOPARM_type_intio, |
5e805e44 | 54 | IOPARM_type_pint4, |
014ec6ee | 55 | IOPARM_type_pintio, |
5e805e44 JJ |
56 | IOPARM_type_pchar, |
57 | IOPARM_type_parray, | |
58 | IOPARM_type_pad, | |
59 | IOPARM_type_char1, | |
60 | IOPARM_type_char2, | |
61 | IOPARM_type_common, | |
62 | IOPARM_type_num | |
63 | }; | |
64 | ||
d1b38208 | 65 | typedef struct GTY(()) gfc_st_parameter_field { |
5e805e44 JJ |
66 | const char *name; |
67 | unsigned int mask; | |
68 | enum ioparam_type param_type; | |
69 | enum iofield_type type; | |
70 | tree field; | |
71 | tree field_len; | |
72 | } | |
73 | gfc_st_parameter_field; | |
6de9cd9a | 74 | |
d1b38208 | 75 | typedef struct GTY(()) gfc_st_parameter { |
5e805e44 JJ |
76 | const char *name; |
77 | tree type; | |
78 | } | |
79 | gfc_st_parameter; | |
80 | ||
81 | enum iofield | |
82 | { | |
83 | #define IOPARM(param_type, name, mask, type) IOPARM_##param_type##_##name, | |
84 | #include "ioparm.def" | |
85 | #undef IOPARM | |
86 | IOPARM_field_num | |
87 | }; | |
88 | ||
89 | static GTY(()) gfc_st_parameter st_parameter[] = | |
90 | { | |
91 | { "common", NULL }, | |
92 | { "open", NULL }, | |
93 | { "close", NULL }, | |
94 | { "filepos", NULL }, | |
95 | { "inquire", NULL }, | |
6f0f0b2e JD |
96 | { "dt", NULL }, |
97 | { "wait", NULL } | |
5e805e44 JJ |
98 | }; |
99 | ||
100 | static GTY(()) gfc_st_parameter_field st_parameter_field[] = | |
101 | { | |
102 | #define IOPARM(param_type, name, mask, type) \ | |
103 | { #name, mask, IOPARM_ptype_##param_type, IOPARM_type_##type, NULL, NULL }, | |
104 | #include "ioparm.def" | |
105 | #undef IOPARM | |
81f40b79 | 106 | { NULL, 0, (enum ioparam_type) 0, (enum iofield_type) 0, NULL, NULL } |
5e805e44 | 107 | }; |
6de9cd9a DN |
108 | |
109 | /* Library I/O subroutines */ | |
110 | ||
5e805e44 JJ |
111 | enum iocall |
112 | { | |
113 | IOCALL_READ, | |
114 | IOCALL_READ_DONE, | |
115 | IOCALL_WRITE, | |
116 | IOCALL_WRITE_DONE, | |
117 | IOCALL_X_INTEGER, | |
6eb6875d | 118 | IOCALL_X_INTEGER_WRITE, |
5e805e44 | 119 | IOCALL_X_LOGICAL, |
6eb6875d | 120 | IOCALL_X_LOGICAL_WRITE, |
5e805e44 | 121 | IOCALL_X_CHARACTER, |
6eb6875d | 122 | IOCALL_X_CHARACTER_WRITE, |
8a221914 | 123 | IOCALL_X_CHARACTER_WIDE, |
6eb6875d | 124 | IOCALL_X_CHARACTER_WIDE_WRITE, |
5e805e44 | 125 | IOCALL_X_REAL, |
6eb6875d | 126 | IOCALL_X_REAL_WRITE, |
5e805e44 | 127 | IOCALL_X_COMPLEX, |
6eb6875d | 128 | IOCALL_X_COMPLEX_WRITE, |
1ec601bf FXC |
129 | IOCALL_X_REAL128, |
130 | IOCALL_X_REAL128_WRITE, | |
131 | IOCALL_X_COMPLEX128, | |
132 | IOCALL_X_COMPLEX128_WRITE, | |
5e805e44 | 133 | IOCALL_X_ARRAY, |
6eb6875d | 134 | IOCALL_X_ARRAY_WRITE, |
5e805e44 JJ |
135 | IOCALL_OPEN, |
136 | IOCALL_CLOSE, | |
137 | IOCALL_INQUIRE, | |
138 | IOCALL_IOLENGTH, | |
139 | IOCALL_IOLENGTH_DONE, | |
140 | IOCALL_REWIND, | |
141 | IOCALL_BACKSPACE, | |
142 | IOCALL_ENDFILE, | |
143 | IOCALL_FLUSH, | |
144 | IOCALL_SET_NML_VAL, | |
145 | IOCALL_SET_NML_VAL_DIM, | |
6f0f0b2e | 146 | IOCALL_WAIT, |
5e805e44 JJ |
147 | IOCALL_NUM |
148 | }; | |
149 | ||
150 | static GTY(()) tree iocall[IOCALL_NUM]; | |
6de9cd9a DN |
151 | |
152 | /* Variable for keeping track of what the last data transfer statement | |
153 | was. Used for deciding which subroutine to call when the data | |
f7b529fa | 154 | transfer is complete. */ |
8750f9cd | 155 | static enum { READ, WRITE, IOLENGTH } last_dt; |
6de9cd9a | 156 | |
5e805e44 JJ |
157 | /* The data transfer parameter block that should be shared by all |
158 | data transfer calls belonging to the same read/write/iolength. */ | |
159 | static GTY(()) tree dt_parm; | |
160 | static stmtblock_t *dt_post_end_block; | |
6de9cd9a | 161 | |
5e805e44 JJ |
162 | static void |
163 | gfc_build_st_parameter (enum ioparam_type ptype, tree *types) | |
164 | { | |
32e8bb8e | 165 | unsigned int type; |
5e805e44 JJ |
166 | gfc_st_parameter_field *p; |
167 | char name[64]; | |
168 | size_t len; | |
169 | tree t = make_node (RECORD_TYPE); | |
dfd6ece2 | 170 | tree *chain = NULL; |
5e805e44 JJ |
171 | |
172 | len = strlen (st_parameter[ptype].name); | |
173 | gcc_assert (len <= sizeof (name) - sizeof ("__st_parameter_")); | |
174 | memcpy (name, "__st_parameter_", sizeof ("__st_parameter_")); | |
175 | memcpy (name + sizeof ("__st_parameter_") - 1, st_parameter[ptype].name, | |
ff7417d4 | 176 | len + 1); |
5e805e44 JJ |
177 | TYPE_NAME (t) = get_identifier (name); |
178 | ||
179 | for (type = 0, p = st_parameter_field; type < IOPARM_field_num; type++, p++) | |
180 | if (p->param_type == ptype) | |
181 | switch (p->type) | |
182 | { | |
183 | case IOPARM_type_int4: | |
014ec6ee | 184 | case IOPARM_type_intio: |
5e805e44 | 185 | case IOPARM_type_pint4: |
014ec6ee | 186 | case IOPARM_type_pintio: |
5e805e44 JJ |
187 | case IOPARM_type_parray: |
188 | case IOPARM_type_pchar: | |
189 | case IOPARM_type_pad: | |
35151cd5 | 190 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 191 | types[p->type], &chain); |
5e805e44 JJ |
192 | break; |
193 | case IOPARM_type_char1: | |
35151cd5 | 194 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 195 | pchar_type_node, &chain); |
5e805e44 JJ |
196 | /* FALLTHROUGH */ |
197 | case IOPARM_type_char2: | |
198 | len = strlen (p->name); | |
199 | gcc_assert (len <= sizeof (name) - sizeof ("_len")); | |
200 | memcpy (name, p->name, len); | |
201 | memcpy (name + len, "_len", sizeof ("_len")); | |
35151cd5 | 202 | p->field_len = gfc_add_field_to_struct (t, get_identifier (name), |
dfd6ece2 NF |
203 | gfc_charlen_type_node, |
204 | &chain); | |
5e805e44 | 205 | if (p->type == IOPARM_type_char2) |
35151cd5 | 206 | p->field = gfc_add_field_to_struct (t, get_identifier (p->name), |
dfd6ece2 | 207 | pchar_type_node, &chain); |
5e805e44 JJ |
208 | break; |
209 | case IOPARM_type_common: | |
210 | p->field | |
35151cd5 | 211 | = gfc_add_field_to_struct (t, |
5e805e44 | 212 | get_identifier (p->name), |
dfd6ece2 NF |
213 | st_parameter[IOPARM_ptype_common].type, |
214 | &chain); | |
5e805e44 JJ |
215 | break; |
216 | case IOPARM_type_num: | |
217 | gcc_unreachable (); | |
218 | } | |
6de9cd9a | 219 | |
5e805e44 JJ |
220 | gfc_finish_type (t); |
221 | st_parameter[ptype].type = t; | |
222 | } | |
6de9cd9a | 223 | |
f96d606f JD |
224 | |
225 | /* Build code to test an error condition and call generate_error if needed. | |
226 | Note: This builds calls to generate_error in the runtime library function. | |
227 | The function generate_error is dependent on certain parameters in the | |
228 | st_parameter_common flags to be set. (See libgfortran/runtime/error.c) | |
229 | Therefore, the code to set these flags must be generated before | |
230 | this function is used. */ | |
231 | ||
232 | void | |
233 | gfc_trans_io_runtime_check (tree cond, tree var, int error_code, | |
234 | const char * msgid, stmtblock_t * pblock) | |
235 | { | |
236 | stmtblock_t block; | |
237 | tree body; | |
238 | tree tmp; | |
239 | tree arg1, arg2, arg3; | |
240 | char *message; | |
241 | ||
242 | if (integer_zerop (cond)) | |
243 | return; | |
244 | ||
245 | /* The code to generate the error. */ | |
246 | gfc_start_block (&block); | |
247 | ||
628c189e | 248 | arg1 = gfc_build_addr_expr (NULL_TREE, var); |
f96d606f JD |
249 | |
250 | arg2 = build_int_cst (integer_type_node, error_code), | |
251 | ||
252 | asprintf (&message, "%s", _(msgid)); | |
ee37d2f5 FXC |
253 | arg3 = gfc_build_addr_expr (pchar_type_node, |
254 | gfc_build_localized_cstring_const (message)); | |
f96d606f JD |
255 | gfc_free(message); |
256 | ||
db3927fb AH |
257 | tmp = build_call_expr_loc (input_location, |
258 | gfor_fndecl_generate_error, 3, arg1, arg2, arg3); | |
f96d606f JD |
259 | |
260 | gfc_add_expr_to_block (&block, tmp); | |
261 | ||
262 | body = gfc_finish_block (&block); | |
263 | ||
264 | if (integer_onep (cond)) | |
265 | { | |
266 | gfc_add_expr_to_block (pblock, body); | |
267 | } | |
268 | else | |
269 | { | |
270 | /* Tell the compiler that this isn't likely. */ | |
271 | cond = fold_convert (long_integer_type_node, cond); | |
272 | tmp = build_int_cst (long_integer_type_node, 0); | |
db3927fb AH |
273 | cond = build_call_expr_loc (input_location, |
274 | built_in_decls[BUILT_IN_EXPECT], 2, cond, tmp); | |
f96d606f JD |
275 | cond = fold_convert (boolean_type_node, cond); |
276 | ||
c2255bc4 | 277 | tmp = build3_v (COND_EXPR, cond, body, build_empty_stmt (input_location)); |
f96d606f JD |
278 | gfc_add_expr_to_block (pblock, tmp); |
279 | } | |
280 | } | |
281 | ||
282 | ||
6de9cd9a DN |
283 | /* Create function decls for IO library functions. */ |
284 | ||
285 | void | |
286 | gfc_build_io_library_fndecls (void) | |
287 | { | |
5e805e44 | 288 | tree types[IOPARM_type_num], pad_idx, gfc_int4_type_node; |
014ec6ee | 289 | tree gfc_intio_type_node; |
5e805e44 | 290 | tree parm_type, dt_parm_type; |
5e805e44 | 291 | HOST_WIDE_INT pad_size; |
09639a83 | 292 | unsigned int ptype; |
5e805e44 JJ |
293 | |
294 | types[IOPARM_type_int4] = gfc_int4_type_node = gfc_get_int_type (4); | |
014ec6ee JD |
295 | types[IOPARM_type_intio] = gfc_intio_type_node |
296 | = gfc_get_int_type (gfc_intio_kind); | |
5e805e44 | 297 | types[IOPARM_type_pint4] = build_pointer_type (gfc_int4_type_node); |
014ec6ee JD |
298 | types[IOPARM_type_pintio] |
299 | = build_pointer_type (gfc_intio_type_node); | |
5e805e44 JJ |
300 | types[IOPARM_type_parray] = pchar_type_node; |
301 | types[IOPARM_type_pchar] = pchar_type_node; | |
e1456843 | 302 | pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node)); |
5e805e44 | 303 | pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node)); |
e1456843 | 304 | pad_idx = build_index_type (build_int_cst (NULL_TREE, pad_size - 1)); |
5e805e44 | 305 | types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx); |
7ae99337 SE |
306 | |
307 | /* pad actually contains pointers and integers so it needs to have an | |
308 | alignment that is at least as large as the needed alignment for those | |
309 | types. See the st_parameter_dt structure in libgfortran/io/io.h for | |
310 | what really goes into this space. */ | |
311 | TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node), | |
e1456843 | 312 | TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind))); |
7ae99337 | 313 | |
5e805e44 | 314 | for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++) |
09639a83 | 315 | gfc_build_st_parameter ((enum ioparam_type) ptype, types); |
6de9cd9a | 316 | |
6eb6875d | 317 | /* Define the transfer functions. */ |
6de9cd9a | 318 | |
5e805e44 JJ |
319 | dt_parm_type = build_pointer_type (st_parameter[IOPARM_ptype_dt].type); |
320 | ||
3f34855a TB |
321 | iocall[IOCALL_X_INTEGER] = gfc_build_library_function_decl_with_spec ( |
322 | get_identifier (PREFIX("transfer_integer")), ".wW", | |
323 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
324 | ||
6eb6875d TK |
325 | iocall[IOCALL_X_INTEGER_WRITE] = gfc_build_library_function_decl_with_spec ( |
326 | get_identifier (PREFIX("transfer_integer_write")), ".wR", | |
327 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
328 | ||
3f34855a TB |
329 | iocall[IOCALL_X_LOGICAL] = gfc_build_library_function_decl_with_spec ( |
330 | get_identifier (PREFIX("transfer_logical")), ".wW", | |
331 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
332 | ||
6eb6875d TK |
333 | iocall[IOCALL_X_LOGICAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
334 | get_identifier (PREFIX("transfer_logical_write")), ".wR", | |
335 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
336 | ||
3f34855a TB |
337 | iocall[IOCALL_X_CHARACTER] = gfc_build_library_function_decl_with_spec ( |
338 | get_identifier (PREFIX("transfer_character")), ".wW", | |
339 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
340 | ||
6eb6875d TK |
341 | iocall[IOCALL_X_CHARACTER_WRITE] = gfc_build_library_function_decl_with_spec ( |
342 | get_identifier (PREFIX("transfer_character_write")), ".wR", | |
343 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
344 | ||
3f34855a TB |
345 | iocall[IOCALL_X_CHARACTER_WIDE] = gfc_build_library_function_decl_with_spec ( |
346 | get_identifier (PREFIX("transfer_character_wide")), ".wW", | |
347 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
348 | gfc_charlen_type_node, gfc_int4_type_node); | |
349 | ||
6eb6875d TK |
350 | iocall[IOCALL_X_CHARACTER_WIDE_WRITE] = |
351 | gfc_build_library_function_decl_with_spec ( | |
352 | get_identifier (PREFIX("transfer_character_wide_write")), ".wR", | |
353 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
354 | gfc_charlen_type_node, gfc_int4_type_node); | |
355 | ||
3f34855a TB |
356 | iocall[IOCALL_X_REAL] = gfc_build_library_function_decl_with_spec ( |
357 | get_identifier (PREFIX("transfer_real")), ".wW", | |
358 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
359 | ||
6eb6875d TK |
360 | iocall[IOCALL_X_REAL_WRITE] = gfc_build_library_function_decl_with_spec ( |
361 | get_identifier (PREFIX("transfer_real_write")), ".wR", | |
362 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
363 | ||
3f34855a TB |
364 | iocall[IOCALL_X_COMPLEX] = gfc_build_library_function_decl_with_spec ( |
365 | get_identifier (PREFIX("transfer_complex")), ".wW", | |
366 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
367 | ||
6eb6875d TK |
368 | iocall[IOCALL_X_COMPLEX_WRITE] = gfc_build_library_function_decl_with_spec ( |
369 | get_identifier (PREFIX("transfer_complex_write")), ".wR", | |
370 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
371 | ||
1ec601bf FXC |
372 | /* Version for __float128. */ |
373 | iocall[IOCALL_X_REAL128] = gfc_build_library_function_decl_with_spec ( | |
374 | get_identifier (PREFIX("transfer_real128")), ".wW", | |
375 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
376 | ||
377 | iocall[IOCALL_X_REAL128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
378 | get_identifier (PREFIX("transfer_real128_write")), ".wR", | |
379 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
380 | ||
381 | iocall[IOCALL_X_COMPLEX128] = gfc_build_library_function_decl_with_spec ( | |
382 | get_identifier (PREFIX("transfer_complex128")), ".wW", | |
383 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
384 | ||
385 | iocall[IOCALL_X_COMPLEX128_WRITE] = gfc_build_library_function_decl_with_spec ( | |
386 | get_identifier (PREFIX("transfer_complex128_write")), ".wR", | |
387 | void_type_node, 3, dt_parm_type, pvoid_type_node, gfc_int4_type_node); | |
388 | ||
3f34855a | 389 | iocall[IOCALL_X_ARRAY] = gfc_build_library_function_decl_with_spec ( |
d4d9b0a6 | 390 | get_identifier (PREFIX("transfer_array")), ".ww", |
3f34855a TB |
391 | void_type_node, 4, dt_parm_type, pvoid_type_node, |
392 | integer_type_node, gfc_charlen_type_node); | |
18623fae | 393 | |
6eb6875d TK |
394 | iocall[IOCALL_X_ARRAY_WRITE] = gfc_build_library_function_decl_with_spec ( |
395 | get_identifier (PREFIX("transfer_array_write")), ".wr", | |
396 | void_type_node, 4, dt_parm_type, pvoid_type_node, | |
397 | integer_type_node, gfc_charlen_type_node); | |
398 | ||
6de9cd9a DN |
399 | /* Library entry points */ |
400 | ||
3f34855a TB |
401 | iocall[IOCALL_READ] = gfc_build_library_function_decl_with_spec ( |
402 | get_identifier (PREFIX("st_read")), ".w", | |
403 | void_type_node, 1, dt_parm_type); | |
6de9cd9a | 404 | |
3f34855a TB |
405 | iocall[IOCALL_WRITE] = gfc_build_library_function_decl_with_spec ( |
406 | get_identifier (PREFIX("st_write")), ".w", | |
407 | void_type_node, 1, dt_parm_type); | |
5e805e44 JJ |
408 | |
409 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_open].type); | |
3f34855a TB |
410 | iocall[IOCALL_OPEN] = gfc_build_library_function_decl_with_spec ( |
411 | get_identifier (PREFIX("st_open")), ".w", | |
412 | void_type_node, 1, parm_type); | |
5e805e44 JJ |
413 | |
414 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_close].type); | |
3f34855a TB |
415 | iocall[IOCALL_CLOSE] = gfc_build_library_function_decl_with_spec ( |
416 | get_identifier (PREFIX("st_close")), ".w", | |
417 | void_type_node, 1, parm_type); | |
6de9cd9a | 418 | |
5e805e44 | 419 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_inquire].type); |
3f34855a TB |
420 | iocall[IOCALL_INQUIRE] = gfc_build_library_function_decl_with_spec ( |
421 | get_identifier (PREFIX("st_inquire")), ".w", | |
a19d2b95 | 422 | void_type_node, 1, parm_type); |
6de9cd9a | 423 | |
3f34855a TB |
424 | iocall[IOCALL_IOLENGTH] = gfc_build_library_function_decl_with_spec( |
425 | get_identifier (PREFIX("st_iolength")), ".w", | |
426 | void_type_node, 1, dt_parm_type); | |
8750f9cd | 427 | |
3f34855a | 428 | /* TODO: Change when asynchronous I/O is implemented. */ |
6f0f0b2e | 429 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_wait].type); |
3f34855a TB |
430 | iocall[IOCALL_WAIT] = gfc_build_library_function_decl_with_spec ( |
431 | get_identifier (PREFIX("st_wait")), ".X", | |
a19d2b95 | 432 | void_type_node, 1, parm_type); |
6f0f0b2e | 433 | |
5e805e44 | 434 | parm_type = build_pointer_type (st_parameter[IOPARM_ptype_filepos].type); |
3f34855a TB |
435 | iocall[IOCALL_REWIND] = gfc_build_library_function_decl_with_spec ( |
436 | get_identifier (PREFIX("st_rewind")), ".w", | |
a19d2b95 | 437 | void_type_node, 1, parm_type); |
6de9cd9a | 438 | |
3f34855a TB |
439 | iocall[IOCALL_BACKSPACE] = gfc_build_library_function_decl_with_spec ( |
440 | get_identifier (PREFIX("st_backspace")), ".w", | |
a19d2b95 | 441 | void_type_node, 1, parm_type); |
6de9cd9a | 442 | |
3f34855a TB |
443 | iocall[IOCALL_ENDFILE] = gfc_build_library_function_decl_with_spec ( |
444 | get_identifier (PREFIX("st_endfile")), ".w", | |
a19d2b95 | 445 | void_type_node, 1, parm_type); |
6403ec5f | 446 | |
3f34855a TB |
447 | iocall[IOCALL_FLUSH] = gfc_build_library_function_decl_with_spec ( |
448 | get_identifier (PREFIX("st_flush")), ".w", | |
a19d2b95 | 449 | void_type_node, 1, parm_type); |
6403ec5f | 450 | |
6de9cd9a DN |
451 | /* Library helpers */ |
452 | ||
3f34855a TB |
453 | iocall[IOCALL_READ_DONE] = gfc_build_library_function_decl_with_spec ( |
454 | get_identifier (PREFIX("st_read_done")), ".w", | |
a19d2b95 | 455 | void_type_node, 1, dt_parm_type); |
8750f9cd | 456 | |
3f34855a TB |
457 | iocall[IOCALL_WRITE_DONE] = gfc_build_library_function_decl_with_spec ( |
458 | get_identifier (PREFIX("st_write_done")), ".w", | |
a19d2b95 | 459 | void_type_node, 1, dt_parm_type); |
8750f9cd | 460 | |
3f34855a TB |
461 | iocall[IOCALL_IOLENGTH_DONE] = gfc_build_library_function_decl_with_spec ( |
462 | get_identifier (PREFIX("st_iolength_done")), ".w", | |
a19d2b95 | 463 | void_type_node, 1, dt_parm_type); |
6de9cd9a | 464 | |
3f34855a TB |
465 | iocall[IOCALL_SET_NML_VAL] = gfc_build_library_function_decl_with_spec ( |
466 | get_identifier (PREFIX("st_set_nml_var")), ".w.R", | |
467 | void_type_node, 6, dt_parm_type, pvoid_type_node, pvoid_type_node, | |
a19d2b95 | 468 | void_type_node, gfc_charlen_type_node, gfc_int4_type_node); |
6de9cd9a | 469 | |
3f34855a TB |
470 | iocall[IOCALL_SET_NML_VAL_DIM] = gfc_build_library_function_decl_with_spec ( |
471 | get_identifier (PREFIX("st_set_nml_var_dim")), ".w", | |
472 | void_type_node, 5, dt_parm_type, gfc_int4_type_node, | |
473 | gfc_array_index_type, gfc_array_index_type, gfc_array_index_type); | |
6de9cd9a DN |
474 | } |
475 | ||
476 | ||
5e805e44 JJ |
477 | /* Generate code to store an integer constant into the |
478 | st_parameter_XXX structure. */ | |
479 | ||
480 | static unsigned int | |
481 | set_parameter_const (stmtblock_t *block, tree var, enum iofield type, | |
482 | unsigned int val) | |
483 | { | |
484 | tree tmp; | |
485 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
486 | ||
487 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
488 | var = fold_build3_loc (input_location, COMPONENT_REF, |
489 | st_parameter[IOPARM_ptype_common].type, | |
490 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
491 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
492 | var, p->field, NULL_TREE); | |
726a989a | 493 | gfc_add_modify (block, tmp, build_int_cst (TREE_TYPE (p->field), val)); |
5e805e44 JJ |
494 | return p->mask; |
495 | } | |
496 | ||
497 | ||
49de9e73 | 498 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 499 | st_parameter_XXX structure. This is a pass by value. */ |
6de9cd9a | 500 | |
5e805e44 JJ |
501 | static unsigned int |
502 | set_parameter_value (stmtblock_t *block, tree var, enum iofield type, | |
503 | gfc_expr *e) | |
6de9cd9a DN |
504 | { |
505 | gfc_se se; | |
506 | tree tmp; | |
5e805e44 | 507 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
f96d606f | 508 | tree dest_type = TREE_TYPE (p->field); |
6de9cd9a DN |
509 | |
510 | gfc_init_se (&se, NULL); | |
f96d606f JD |
511 | gfc_conv_expr_val (&se, e); |
512 | ||
513 | /* If we're storing a UNIT number, we need to check it first. */ | |
9ad55c33 | 514 | if (type == IOPARM_common_unit && e->ts.kind > 4) |
f96d606f | 515 | { |
9ad55c33 | 516 | tree cond, val; |
f96d606f JD |
517 | int i; |
518 | ||
f96d606f JD |
519 | /* Don't evaluate the UNIT number multiple times. */ |
520 | se.expr = gfc_evaluate_now (se.expr, &se.pre); | |
521 | ||
9ad55c33 JD |
522 | /* UNIT numbers should be greater than the min. */ |
523 | i = gfc_validate_kind (BT_INTEGER, 4, false); | |
524 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].pedantic_min_int, 4); | |
65a9ca82 TB |
525 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
526 | se.expr, | |
527 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 528 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
9ad55c33 | 529 | "Unit number in I/O statement too small", |
f96d606f JD |
530 | &se.pre); |
531 | ||
532 | /* UNIT numbers should be less than the max. */ | |
9ad55c33 | 533 | val = gfc_conv_mpz_to_tree (gfc_integer_kinds[i].huge, 4); |
65a9ca82 TB |
534 | cond = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, |
535 | se.expr, | |
536 | fold_convert (TREE_TYPE (se.expr), val)); | |
d74b97cc | 537 | gfc_trans_io_runtime_check (cond, var, LIBERROR_BAD_UNIT, |
f96d606f JD |
538 | "Unit number in I/O statement too large", |
539 | &se.pre); | |
540 | ||
541 | } | |
542 | ||
543 | se.expr = convert (dest_type, se.expr); | |
6de9cd9a DN |
544 | gfc_add_block_to_block (block, &se.pre); |
545 | ||
5e805e44 | 546 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
547 | var = fold_build3_loc (input_location, COMPONENT_REF, |
548 | st_parameter[IOPARM_ptype_common].type, | |
549 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
f96d606f | 550 | |
65a9ca82 TB |
551 | tmp = fold_build3_loc (input_location, COMPONENT_REF, dest_type, var, |
552 | p->field, NULL_TREE); | |
726a989a | 553 | gfc_add_modify (block, tmp, se.expr); |
5e805e44 | 554 | return p->mask; |
6de9cd9a DN |
555 | } |
556 | ||
557 | ||
49de9e73 | 558 | /* Generate code to store a non-string I/O parameter into the |
5e805e44 | 559 | st_parameter_XXX structure. This is pass by reference. */ |
6de9cd9a | 560 | |
5e805e44 JJ |
561 | static unsigned int |
562 | set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, | |
563 | tree var, enum iofield type, gfc_expr *e) | |
6de9cd9a DN |
564 | { |
565 | gfc_se se; | |
5e805e44 JJ |
566 | tree tmp, addr; |
567 | gfc_st_parameter_field *p = &st_parameter_field[type]; | |
6de9cd9a | 568 | |
5e805e44 | 569 | gcc_assert (e->ts.type == BT_INTEGER || e->ts.type == BT_LOGICAL); |
6de9cd9a | 570 | gfc_init_se (&se, NULL); |
5e805e44 | 571 | gfc_conv_expr_lhs (&se, e); |
6de9cd9a | 572 | |
6de9cd9a DN |
573 | gfc_add_block_to_block (block, &se.pre); |
574 | ||
5e805e44 JJ |
575 | if (TYPE_MODE (TREE_TYPE (se.expr)) |
576 | == TYPE_MODE (TREE_TYPE (TREE_TYPE (p->field)))) | |
f96d606f | 577 | { |
628c189e | 578 | addr = convert (TREE_TYPE (p->field), gfc_build_addr_expr (NULL_TREE, se.expr)); |
f96d606f JD |
579 | |
580 | /* If this is for the iostat variable initialize the | |
d74b97cc | 581 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 582 | if (type == IOPARM_common_iostat) |
726a989a | 583 | gfc_add_modify (block, se.expr, |
d74b97cc | 584 | build_int_cst (TREE_TYPE (se.expr), LIBERROR_OK)); |
f96d606f | 585 | } |
5e805e44 JJ |
586 | else |
587 | { | |
588 | /* The type used by the library has different size | |
f96d606f JD |
589 | from the type of the variable supplied by the user. |
590 | Need to use a temporary. */ | |
591 | tree tmpvar = gfc_create_var (TREE_TYPE (TREE_TYPE (p->field)), | |
592 | st_parameter_field[type].name); | |
593 | ||
594 | /* If this is for the iostat variable, initialize the | |
d74b97cc | 595 | user variable to LIBERROR_OK which is zero. */ |
f96d606f | 596 | if (type == IOPARM_common_iostat) |
726a989a | 597 | gfc_add_modify (block, tmpvar, |
d74b97cc | 598 | build_int_cst (TREE_TYPE (tmpvar), LIBERROR_OK)); |
f96d606f | 599 | |
628c189e | 600 | addr = gfc_build_addr_expr (NULL_TREE, tmpvar); |
f96d606f | 601 | /* After the I/O operation, we set the variable from the temporary. */ |
5e805e44 | 602 | tmp = convert (TREE_TYPE (se.expr), tmpvar); |
726a989a | 603 | gfc_add_modify (postblock, se.expr, tmp); |
f96d606f | 604 | } |
5e805e44 JJ |
605 | |
606 | if (p->param_type == IOPARM_ptype_common) | |
65a9ca82 TB |
607 | var = fold_build3_loc (input_location, COMPONENT_REF, |
608 | st_parameter[IOPARM_ptype_common].type, | |
609 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
610 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
611 | var, p->field, NULL_TREE); | |
726a989a | 612 | gfc_add_modify (block, tmp, addr); |
5e805e44 | 613 | return p->mask; |
6de9cd9a DN |
614 | } |
615 | ||
d3642f89 FW |
616 | /* Given an array expr, find its address and length to get a string. If the |
617 | array is full, the string's address is the address of array's first element | |
7e279142 | 618 | and the length is the size of the whole array. If it is an element, the |
d3642f89 | 619 | string's address is the element's address and the length is the rest size of |
7e279142 | 620 | the array. */ |
d3642f89 FW |
621 | |
622 | static void | |
623 | gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) | |
624 | { | |
d3642f89 | 625 | tree size; |
d3642f89 | 626 | |
7e279142 | 627 | if (e->rank == 0) |
d3642f89 | 628 | { |
7e279142 JJ |
629 | tree type, array, tmp; |
630 | gfc_symbol *sym; | |
631 | int rank; | |
632 | ||
633 | /* If it is an element, we need its address and size of the rest. */ | |
634 | gcc_assert (e->expr_type == EXPR_VARIABLE); | |
635 | gcc_assert (e->ref->u.ar.type == AR_ELEMENT); | |
636 | sym = e->symtree->n.sym; | |
637 | rank = sym->as->rank - 1; | |
d3642f89 | 638 | gfc_conv_expr (se, e); |
d3642f89 | 639 | |
7e279142 JJ |
640 | array = sym->backend_decl; |
641 | type = TREE_TYPE (array); | |
d3642f89 | 642 | |
7e279142 JJ |
643 | if (GFC_ARRAY_TYPE_P (type)) |
644 | size = GFC_TYPE_ARRAY_SIZE (type); | |
645 | else | |
646 | { | |
647 | gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); | |
648 | size = gfc_conv_array_stride (array, rank); | |
65a9ca82 TB |
649 | tmp = fold_build2_loc (input_location, MINUS_EXPR, |
650 | gfc_array_index_type, | |
651 | gfc_conv_array_ubound (array, rank), | |
652 | gfc_conv_array_lbound (array, rank)); | |
653 | tmp = fold_build2_loc (input_location, PLUS_EXPR, | |
654 | gfc_array_index_type, tmp, | |
655 | gfc_index_one_node); | |
656 | size = fold_build2_loc (input_location, MULT_EXPR, | |
657 | gfc_array_index_type, tmp, size); | |
7e279142 JJ |
658 | } |
659 | gcc_assert (size); | |
d3642f89 | 660 | |
65a9ca82 TB |
661 | size = fold_build2_loc (input_location, MINUS_EXPR, |
662 | gfc_array_index_type, size, | |
663 | TREE_OPERAND (se->expr, 1)); | |
628c189e | 664 | se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); |
7e279142 | 665 | tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); |
65a9ca82 TB |
666 | size = fold_build2_loc (input_location, MULT_EXPR, |
667 | gfc_array_index_type, size, | |
668 | fold_convert (gfc_array_index_type, tmp)); | |
7e279142 JJ |
669 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
670 | return; | |
d3642f89 FW |
671 | } |
672 | ||
f7172b55 | 673 | gfc_conv_array_parameter (se, e, gfc_walk_expr (e), true, NULL, NULL, &size); |
d3642f89 FW |
674 | se->string_length = fold_convert (gfc_charlen_type_node, size); |
675 | } | |
6de9cd9a | 676 | |
109b0ac2 | 677 | |
6de9cd9a | 678 | /* Generate code to store a string and its length into the |
5e805e44 | 679 | st_parameter_XXX structure. */ |
6de9cd9a | 680 | |
5e805e44 | 681 | static unsigned int |
6de9cd9a | 682 | set_string (stmtblock_t * block, stmtblock_t * postblock, tree var, |
5e805e44 | 683 | enum iofield type, gfc_expr * e) |
6de9cd9a DN |
684 | { |
685 | gfc_se se; | |
686 | tree tmp; | |
6de9cd9a DN |
687 | tree io; |
688 | tree len; | |
5e805e44 | 689 | gfc_st_parameter_field *p = &st_parameter_field[type]; |
6de9cd9a DN |
690 | |
691 | gfc_init_se (&se, NULL); | |
6de9cd9a | 692 | |
5e805e44 | 693 | if (p->param_type == IOPARM_ptype_common) |
65a9ca82 TB |
694 | var = fold_build3_loc (input_location, COMPONENT_REF, |
695 | st_parameter[IOPARM_ptype_common].type, | |
696 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
697 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
44855d8c | 698 | var, p->field, NULL_TREE); |
65a9ca82 TB |
699 | len = fold_build3_loc (input_location, COMPONENT_REF, |
700 | TREE_TYPE (p->field_len), | |
701 | var, p->field_len, NULL_TREE); | |
6de9cd9a | 702 | |
7ab92584 | 703 | /* Integer variable assigned a format label. */ |
7e279142 JJ |
704 | if (e->ts.type == BT_INTEGER |
705 | && e->rank == 0 | |
706 | && e->symtree->n.sym->attr.assign == 1) | |
6de9cd9a | 707 | { |
dd18a33b | 708 | char * msg; |
c8fe94c7 | 709 | tree cond; |
dd18a33b | 710 | |
ce2df7c6 | 711 | gfc_conv_label_variable (&se, e); |
6de9cd9a | 712 | tmp = GFC_DECL_STRING_LEN (se.expr); |
65a9ca82 TB |
713 | cond = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, |
714 | tmp, build_int_cst (TREE_TYPE (tmp), 0)); | |
dd18a33b | 715 | |
c8fe94c7 FXC |
716 | asprintf(&msg, "Label assigned to variable '%s' (%%ld) is not a format " |
717 | "label", e->symtree->name); | |
0d52899f | 718 | gfc_trans_runtime_check (true, false, cond, &se.pre, &e->where, msg, |
c8fe94c7 | 719 | fold_convert (long_integer_type_node, tmp)); |
dd18a33b FXC |
720 | gfc_free (msg); |
721 | ||
726a989a | 722 | gfc_add_modify (&se.pre, io, |
b078dfbf | 723 | fold_convert (TREE_TYPE (io), GFC_DECL_ASSIGN_ADDR (se.expr))); |
726a989a | 724 | gfc_add_modify (&se.pre, len, GFC_DECL_STRING_LEN (se.expr)); |
6de9cd9a DN |
725 | } |
726 | else | |
727 | { | |
d3642f89 FW |
728 | /* General character. */ |
729 | if (e->ts.type == BT_CHARACTER && e->rank == 0) | |
730 | gfc_conv_expr (&se, e); | |
731 | /* Array assigned Hollerith constant or character array. */ | |
7e279142 | 732 | else if (e->rank > 0 || (e->symtree && e->symtree->n.sym->as->rank > 0)) |
d3642f89 FW |
733 | gfc_convert_array_to_string (&se, e); |
734 | else | |
735 | gcc_unreachable (); | |
736 | ||
6de9cd9a | 737 | gfc_conv_string_parameter (&se); |
726a989a RB |
738 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), se.expr)); |
739 | gfc_add_modify (&se.pre, len, se.string_length); | |
6de9cd9a DN |
740 | } |
741 | ||
742 | gfc_add_block_to_block (block, &se.pre); | |
743 | gfc_add_block_to_block (postblock, &se.post); | |
5e805e44 | 744 | return p->mask; |
6de9cd9a DN |
745 | } |
746 | ||
747 | ||
109b0ac2 PT |
748 | /* Generate code to store the character (array) and the character length |
749 | for an internal unit. */ | |
750 | ||
5e805e44 | 751 | static unsigned int |
d4feb3d3 PT |
752 | set_internal_unit (stmtblock_t * block, stmtblock_t * post_block, |
753 | tree var, gfc_expr * e) | |
109b0ac2 PT |
754 | { |
755 | gfc_se se; | |
756 | tree io; | |
757 | tree len; | |
758 | tree desc; | |
759 | tree tmp; | |
5e805e44 JJ |
760 | gfc_st_parameter_field *p; |
761 | unsigned int mask; | |
109b0ac2 PT |
762 | |
763 | gfc_init_se (&se, NULL); | |
764 | ||
5e805e44 JJ |
765 | p = &st_parameter_field[IOPARM_dt_internal_unit]; |
766 | mask = p->mask; | |
65a9ca82 TB |
767 | io = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
768 | var, p->field, NULL_TREE); | |
769 | len = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field_len), | |
770 | var, p->field_len, NULL_TREE); | |
5e805e44 | 771 | p = &st_parameter_field[IOPARM_dt_internal_unit_desc]; |
65a9ca82 TB |
772 | desc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), |
773 | var, p->field, NULL_TREE); | |
109b0ac2 PT |
774 | |
775 | gcc_assert (e->ts.type == BT_CHARACTER); | |
776 | ||
777 | /* Character scalars. */ | |
778 | if (e->rank == 0) | |
779 | { | |
780 | gfc_conv_expr (&se, e); | |
781 | gfc_conv_string_parameter (&se); | |
782 | tmp = se.expr; | |
c3238e32 | 783 | se.expr = build_int_cst (pchar_type_node, 0); |
109b0ac2 PT |
784 | } |
785 | ||
786 | /* Character array. */ | |
64db4d29 | 787 | else if (e->rank > 0) |
109b0ac2 PT |
788 | { |
789 | se.ss = gfc_walk_expr (e); | |
790 | ||
1d6b7f39 | 791 | if (is_subref_array (e)) |
d4feb3d3 PT |
792 | { |
793 | /* Use a temporary for components of arrays of derived types | |
794 | or substring array references. */ | |
1d6b7f39 | 795 | gfc_conv_subref_array_arg (&se, e, 0, |
430f2d1f | 796 | last_dt == READ ? INTENT_IN : INTENT_OUT, false); |
db3927fb AH |
797 | tmp = build_fold_indirect_ref_loc (input_location, |
798 | se.expr); | |
d4feb3d3 PT |
799 | se.expr = gfc_build_addr_expr (pchar_type_node, tmp); |
800 | tmp = gfc_conv_descriptor_data_get (tmp); | |
801 | } | |
802 | else | |
803 | { | |
804 | /* Return the data pointer and rank from the descriptor. */ | |
805 | gfc_conv_expr_descriptor (&se, e, se.ss); | |
806 | tmp = gfc_conv_descriptor_data_get (se.expr); | |
807 | se.expr = gfc_build_addr_expr (pchar_type_node, se.expr); | |
808 | } | |
109b0ac2 PT |
809 | } |
810 | else | |
811 | gcc_unreachable (); | |
812 | ||
813 | /* The cast is needed for character substrings and the descriptor | |
814 | data. */ | |
726a989a RB |
815 | gfc_add_modify (&se.pre, io, fold_convert (TREE_TYPE (io), tmp)); |
816 | gfc_add_modify (&se.pre, len, | |
d4feb3d3 | 817 | fold_convert (TREE_TYPE (len), se.string_length)); |
726a989a | 818 | gfc_add_modify (&se.pre, desc, se.expr); |
109b0ac2 PT |
819 | |
820 | gfc_add_block_to_block (block, &se.pre); | |
d4feb3d3 | 821 | gfc_add_block_to_block (post_block, &se.post); |
5e805e44 | 822 | return mask; |
109b0ac2 PT |
823 | } |
824 | ||
6de9cd9a DN |
825 | /* Add a case to a IO-result switch. */ |
826 | ||
827 | static void | |
828 | add_case (int label_value, gfc_st_label * label, stmtblock_t * body) | |
829 | { | |
830 | tree tmp, value; | |
831 | ||
832 | if (label == NULL) | |
833 | return; /* No label, no case */ | |
834 | ||
7d60be94 | 835 | value = build_int_cst (NULL_TREE, label_value); |
6de9cd9a DN |
836 | |
837 | /* Make a backend label for this case. */ | |
c006df4e | 838 | tmp = gfc_build_label_decl (NULL_TREE); |
6de9cd9a DN |
839 | |
840 | /* And the case itself. */ | |
923ab88c | 841 | tmp = build3_v (CASE_LABEL_EXPR, value, NULL_TREE, tmp); |
6de9cd9a DN |
842 | gfc_add_expr_to_block (body, tmp); |
843 | ||
844 | /* Jump to the label. */ | |
845 | tmp = build1_v (GOTO_EXPR, gfc_get_label_decl (label)); | |
846 | gfc_add_expr_to_block (body, tmp); | |
847 | } | |
848 | ||
849 | ||
850 | /* Generate a switch statement that branches to the correct I/O | |
851 | result label. The last statement of an I/O call stores the | |
852 | result into a variable because there is often cleanup that | |
853 | must be done before the switch, so a temporary would have to | |
854 | be created anyway. */ | |
855 | ||
856 | static void | |
5e805e44 | 857 | io_result (stmtblock_t * block, tree var, gfc_st_label * err_label, |
6de9cd9a DN |
858 | gfc_st_label * end_label, gfc_st_label * eor_label) |
859 | { | |
860 | stmtblock_t body; | |
861 | tree tmp, rc; | |
5e805e44 | 862 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; |
6de9cd9a DN |
863 | |
864 | /* If no labels are specified, ignore the result instead | |
865 | of building an empty switch. */ | |
866 | if (err_label == NULL | |
867 | && end_label == NULL | |
868 | && eor_label == NULL) | |
869 | return; | |
870 | ||
871 | /* Build a switch statement. */ | |
872 | gfc_start_block (&body); | |
873 | ||
874 | /* The label values here must be the same as the values | |
875 | in the library_return enum in the runtime library */ | |
876 | add_case (1, err_label, &body); | |
877 | add_case (2, end_label, &body); | |
878 | add_case (3, eor_label, &body); | |
879 | ||
880 | tmp = gfc_finish_block (&body); | |
881 | ||
65a9ca82 TB |
882 | var = fold_build3_loc (input_location, COMPONENT_REF, |
883 | st_parameter[IOPARM_ptype_common].type, | |
884 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
885 | rc = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (p->field), | |
886 | var, p->field, NULL_TREE); | |
887 | rc = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (rc), | |
888 | rc, build_int_cst (TREE_TYPE (rc), | |
889 | IOPARM_common_libreturn_mask)); | |
6de9cd9a | 890 | |
923ab88c | 891 | tmp = build3_v (SWITCH_EXPR, rc, tmp, NULL_TREE); |
6de9cd9a DN |
892 | |
893 | gfc_add_expr_to_block (block, tmp); | |
894 | } | |
895 | ||
896 | ||
897 | /* Store the current file and line number to variables so that if a | |
898 | library call goes awry, we can tell the user where the problem is. */ | |
899 | ||
900 | static void | |
5e805e44 | 901 | set_error_locus (stmtblock_t * block, tree var, locus * where) |
6de9cd9a DN |
902 | { |
903 | gfc_file *f; | |
5e805e44 | 904 | tree str, locus_file; |
6de9cd9a | 905 | int line; |
5e805e44 | 906 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_filename]; |
6de9cd9a | 907 | |
65a9ca82 TB |
908 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, |
909 | st_parameter[IOPARM_ptype_common].type, | |
910 | var, TYPE_FIELDS (TREE_TYPE (var)), NULL_TREE); | |
911 | locus_file = fold_build3_loc (input_location, COMPONENT_REF, | |
912 | TREE_TYPE (p->field), locus_file, | |
913 | p->field, NULL_TREE); | |
d4fa05b9 | 914 | f = where->lb->file; |
5e805e44 | 915 | str = gfc_build_cstring_const (f->filename); |
6de9cd9a | 916 | |
5e805e44 | 917 | str = gfc_build_addr_expr (pchar_type_node, str); |
726a989a | 918 | gfc_add_modify (block, locus_file, str); |
6de9cd9a | 919 | |
c8cc8542 | 920 | line = LOCATION_LINE (where->lb->location); |
5e805e44 | 921 | set_parameter_const (block, var, IOPARM_common_line, line); |
6de9cd9a DN |
922 | } |
923 | ||
924 | ||
925 | /* Translate an OPEN statement. */ | |
926 | ||
927 | tree | |
928 | gfc_trans_open (gfc_code * code) | |
929 | { | |
930 | stmtblock_t block, post_block; | |
931 | gfc_open *p; | |
5e805e44 JJ |
932 | tree tmp, var; |
933 | unsigned int mask = 0; | |
6de9cd9a | 934 | |
5e805e44 | 935 | gfc_start_block (&block); |
6de9cd9a DN |
936 | gfc_init_block (&post_block); |
937 | ||
5e805e44 JJ |
938 | var = gfc_create_var (st_parameter[IOPARM_ptype_open].type, "open_parm"); |
939 | ||
940 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
941 | p = code->ext.open; |
942 | ||
f96d606f JD |
943 | if (p->iomsg) |
944 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
945 | p->iomsg); | |
946 | ||
947 | if (p->iostat) | |
948 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
949 | p->iostat); | |
950 | ||
951 | if (p->err) | |
952 | mask |= IOPARM_common_err; | |
6de9cd9a DN |
953 | |
954 | if (p->file) | |
5e805e44 | 955 | mask |= set_string (&block, &post_block, var, IOPARM_open_file, p->file); |
6de9cd9a DN |
956 | |
957 | if (p->status) | |
5e805e44 JJ |
958 | mask |= set_string (&block, &post_block, var, IOPARM_open_status, |
959 | p->status); | |
6de9cd9a DN |
960 | |
961 | if (p->access) | |
5e805e44 JJ |
962 | mask |= set_string (&block, &post_block, var, IOPARM_open_access, |
963 | p->access); | |
6de9cd9a DN |
964 | |
965 | if (p->form) | |
5e805e44 | 966 | mask |= set_string (&block, &post_block, var, IOPARM_open_form, p->form); |
6de9cd9a DN |
967 | |
968 | if (p->recl) | |
5e805e44 | 969 | mask |= set_parameter_value (&block, var, IOPARM_open_recl_in, p->recl); |
6de9cd9a DN |
970 | |
971 | if (p->blank) | |
5e805e44 JJ |
972 | mask |= set_string (&block, &post_block, var, IOPARM_open_blank, |
973 | p->blank); | |
6de9cd9a DN |
974 | |
975 | if (p->position) | |
5e805e44 JJ |
976 | mask |= set_string (&block, &post_block, var, IOPARM_open_position, |
977 | p->position); | |
6de9cd9a DN |
978 | |
979 | if (p->action) | |
5e805e44 JJ |
980 | mask |= set_string (&block, &post_block, var, IOPARM_open_action, |
981 | p->action); | |
6de9cd9a DN |
982 | |
983 | if (p->delim) | |
5e805e44 JJ |
984 | mask |= set_string (&block, &post_block, var, IOPARM_open_delim, |
985 | p->delim); | |
6de9cd9a DN |
986 | |
987 | if (p->pad) | |
5e805e44 | 988 | mask |= set_string (&block, &post_block, var, IOPARM_open_pad, p->pad); |
6de9cd9a | 989 | |
6f0f0b2e JD |
990 | if (p->decimal) |
991 | mask |= set_string (&block, &post_block, var, IOPARM_open_decimal, | |
992 | p->decimal); | |
993 | ||
994 | if (p->encoding) | |
995 | mask |= set_string (&block, &post_block, var, IOPARM_open_encoding, | |
996 | p->encoding); | |
997 | ||
998 | if (p->round) | |
999 | mask |= set_string (&block, &post_block, var, IOPARM_open_round, p->round); | |
1000 | ||
1001 | if (p->sign) | |
1002 | mask |= set_string (&block, &post_block, var, IOPARM_open_sign, p->sign); | |
1003 | ||
1004 | if (p->asynchronous) | |
1005 | mask |= set_string (&block, &post_block, var, IOPARM_open_asynchronous, | |
1006 | p->asynchronous); | |
1007 | ||
181c9f4a TK |
1008 | if (p->convert) |
1009 | mask |= set_string (&block, &post_block, var, IOPARM_open_convert, | |
1010 | p->convert); | |
9ad55c33 JD |
1011 | |
1012 | if (p->newunit) | |
1013 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_open_newunit, | |
1014 | p->newunit); | |
181c9f4a | 1015 | |
5e805e44 JJ |
1016 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
1017 | ||
f96d606f JD |
1018 | if (p->unit) |
1019 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1020 | else | |
1021 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1022 | ||
628c189e | 1023 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1024 | tmp = build_call_expr_loc (input_location, |
1025 | iocall[IOCALL_OPEN], 1, tmp); | |
6de9cd9a DN |
1026 | gfc_add_expr_to_block (&block, tmp); |
1027 | ||
1028 | gfc_add_block_to_block (&block, &post_block); | |
1029 | ||
5e805e44 | 1030 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1031 | |
1032 | return gfc_finish_block (&block); | |
1033 | } | |
1034 | ||
1035 | ||
1036 | /* Translate a CLOSE statement. */ | |
1037 | ||
1038 | tree | |
1039 | gfc_trans_close (gfc_code * code) | |
1040 | { | |
1041 | stmtblock_t block, post_block; | |
1042 | gfc_close *p; | |
5e805e44 JJ |
1043 | tree tmp, var; |
1044 | unsigned int mask = 0; | |
6de9cd9a | 1045 | |
5e805e44 | 1046 | gfc_start_block (&block); |
6de9cd9a DN |
1047 | gfc_init_block (&post_block); |
1048 | ||
5e805e44 JJ |
1049 | var = gfc_create_var (st_parameter[IOPARM_ptype_close].type, "close_parm"); |
1050 | ||
1051 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1052 | p = code->ext.close; |
1053 | ||
7aba8abe | 1054 | if (p->iomsg) |
5e805e44 JJ |
1055 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1056 | p->iomsg); | |
7aba8abe | 1057 | |
6de9cd9a | 1058 | if (p->iostat) |
5e805e44 JJ |
1059 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1060 | p->iostat); | |
6de9cd9a DN |
1061 | |
1062 | if (p->err) | |
5e805e44 JJ |
1063 | mask |= IOPARM_common_err; |
1064 | ||
f96d606f JD |
1065 | if (p->status) |
1066 | mask |= set_string (&block, &post_block, var, IOPARM_close_status, | |
1067 | p->status); | |
1068 | ||
5e805e44 | 1069 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1070 | |
f96d606f JD |
1071 | if (p->unit) |
1072 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1073 | else | |
1074 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1075 | ||
628c189e | 1076 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1077 | tmp = build_call_expr_loc (input_location, |
1078 | iocall[IOCALL_CLOSE], 1, tmp); | |
6de9cd9a DN |
1079 | gfc_add_expr_to_block (&block, tmp); |
1080 | ||
1081 | gfc_add_block_to_block (&block, &post_block); | |
1082 | ||
5e805e44 | 1083 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1084 | |
1085 | return gfc_finish_block (&block); | |
1086 | } | |
1087 | ||
1088 | ||
1089 | /* Common subroutine for building a file positioning statement. */ | |
1090 | ||
1091 | static tree | |
1092 | build_filepos (tree function, gfc_code * code) | |
1093 | { | |
7aba8abe | 1094 | stmtblock_t block, post_block; |
6de9cd9a | 1095 | gfc_filepos *p; |
5e805e44 JJ |
1096 | tree tmp, var; |
1097 | unsigned int mask = 0; | |
6de9cd9a DN |
1098 | |
1099 | p = code->ext.filepos; | |
1100 | ||
5e805e44 | 1101 | gfc_start_block (&block); |
7aba8abe | 1102 | gfc_init_block (&post_block); |
6de9cd9a | 1103 | |
5e805e44 JJ |
1104 | var = gfc_create_var (st_parameter[IOPARM_ptype_filepos].type, |
1105 | "filepos_parm"); | |
1106 | ||
1107 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1108 | |
7aba8abe | 1109 | if (p->iomsg) |
5e805e44 JJ |
1110 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1111 | p->iomsg); | |
7aba8abe | 1112 | |
6de9cd9a | 1113 | if (p->iostat) |
5e805e44 JJ |
1114 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1115 | p->iostat); | |
6de9cd9a DN |
1116 | |
1117 | if (p->err) | |
5e805e44 JJ |
1118 | mask |= IOPARM_common_err; |
1119 | ||
1120 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1121 | |
f96d606f JD |
1122 | if (p->unit) |
1123 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1124 | else | |
1125 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1126 | ||
628c189e | 1127 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1128 | tmp = build_call_expr_loc (input_location, |
1129 | function, 1, tmp); | |
6de9cd9a DN |
1130 | gfc_add_expr_to_block (&block, tmp); |
1131 | ||
7aba8abe TK |
1132 | gfc_add_block_to_block (&block, &post_block); |
1133 | ||
5e805e44 | 1134 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1135 | |
1136 | return gfc_finish_block (&block); | |
1137 | } | |
1138 | ||
1139 | ||
1140 | /* Translate a BACKSPACE statement. */ | |
1141 | ||
1142 | tree | |
1143 | gfc_trans_backspace (gfc_code * code) | |
1144 | { | |
5e805e44 | 1145 | return build_filepos (iocall[IOCALL_BACKSPACE], code); |
6de9cd9a DN |
1146 | } |
1147 | ||
1148 | ||
1149 | /* Translate an ENDFILE statement. */ | |
1150 | ||
1151 | tree | |
1152 | gfc_trans_endfile (gfc_code * code) | |
1153 | { | |
5e805e44 | 1154 | return build_filepos (iocall[IOCALL_ENDFILE], code); |
6de9cd9a DN |
1155 | } |
1156 | ||
1157 | ||
1158 | /* Translate a REWIND statement. */ | |
1159 | ||
1160 | tree | |
1161 | gfc_trans_rewind (gfc_code * code) | |
1162 | { | |
5e805e44 | 1163 | return build_filepos (iocall[IOCALL_REWIND], code); |
6de9cd9a DN |
1164 | } |
1165 | ||
1166 | ||
6403ec5f JB |
1167 | /* Translate a FLUSH statement. */ |
1168 | ||
1169 | tree | |
1170 | gfc_trans_flush (gfc_code * code) | |
1171 | { | |
5e805e44 | 1172 | return build_filepos (iocall[IOCALL_FLUSH], code); |
6403ec5f JB |
1173 | } |
1174 | ||
1175 | ||
c16dd6a8 JD |
1176 | /* Create a dummy iostat variable to catch any error due to bad unit. */ |
1177 | ||
1178 | static gfc_expr * | |
1179 | create_dummy_iostat (void) | |
1180 | { | |
1181 | gfc_symtree *st; | |
1182 | gfc_expr *e; | |
1183 | ||
1184 | gfc_get_ha_sym_tree ("@iostat", &st); | |
1185 | st->n.sym->ts.type = BT_INTEGER; | |
1186 | st->n.sym->ts.kind = gfc_default_integer_kind; | |
1187 | gfc_set_sym_referenced (st->n.sym); | |
bc9d9552 | 1188 | gfc_commit_symbol (st->n.sym); |
c16dd6a8 JD |
1189 | st->n.sym->backend_decl |
1190 | = gfc_create_var (gfc_get_int_type (st->n.sym->ts.kind), | |
1191 | st->n.sym->name); | |
1192 | ||
1193 | e = gfc_get_expr (); | |
1194 | e->expr_type = EXPR_VARIABLE; | |
1195 | e->symtree = st; | |
1196 | e->ts.type = BT_INTEGER; | |
1197 | e->ts.kind = st->n.sym->ts.kind; | |
1198 | ||
1199 | return e; | |
1200 | } | |
1201 | ||
1202 | ||
6de9cd9a DN |
1203 | /* Translate the non-IOLENGTH form of an INQUIRE statement. */ |
1204 | ||
1205 | tree | |
1206 | gfc_trans_inquire (gfc_code * code) | |
1207 | { | |
1208 | stmtblock_t block, post_block; | |
1209 | gfc_inquire *p; | |
5e805e44 | 1210 | tree tmp, var; |
6f0f0b2e | 1211 | unsigned int mask = 0, mask2 = 0; |
6de9cd9a | 1212 | |
5e805e44 | 1213 | gfc_start_block (&block); |
6de9cd9a DN |
1214 | gfc_init_block (&post_block); |
1215 | ||
5e805e44 JJ |
1216 | var = gfc_create_var (st_parameter[IOPARM_ptype_inquire].type, |
1217 | "inquire_parm"); | |
1218 | ||
1219 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a DN |
1220 | p = code->ext.inquire; |
1221 | ||
7aba8abe | 1222 | if (p->iomsg) |
5e805e44 JJ |
1223 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, |
1224 | p->iomsg); | |
7aba8abe | 1225 | |
6de9cd9a | 1226 | if (p->iostat) |
5e805e44 JJ |
1227 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, |
1228 | p->iostat); | |
6de9cd9a | 1229 | |
f96d606f JD |
1230 | if (p->err) |
1231 | mask |= IOPARM_common_err; | |
1232 | ||
1233 | /* Sanity check. */ | |
1234 | if (p->unit && p->file) | |
1235 | gfc_error ("INQUIRE statement at %L cannot contain both FILE and UNIT specifiers", &code->loc); | |
1236 | ||
1237 | if (p->file) | |
1238 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_file, | |
1239 | p->file); | |
1240 | ||
6de9cd9a | 1241 | if (p->exist) |
c16dd6a8 JD |
1242 | { |
1243 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_exist, | |
1244 | p->exist); | |
1245 | ||
1246 | if (p->unit && !p->iostat) | |
1247 | { | |
1248 | p->iostat = create_dummy_iostat (); | |
1249 | mask |= set_parameter_ref (&block, &post_block, var, | |
1250 | IOPARM_common_iostat, p->iostat); | |
1251 | } | |
1252 | } | |
6de9cd9a DN |
1253 | |
1254 | if (p->opened) | |
5e805e44 JJ |
1255 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_opened, |
1256 | p->opened); | |
6de9cd9a DN |
1257 | |
1258 | if (p->number) | |
5e805e44 JJ |
1259 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_number, |
1260 | p->number); | |
6de9cd9a DN |
1261 | |
1262 | if (p->named) | |
5e805e44 JJ |
1263 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_named, |
1264 | p->named); | |
6de9cd9a DN |
1265 | |
1266 | if (p->name) | |
5e805e44 JJ |
1267 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_name, |
1268 | p->name); | |
6de9cd9a DN |
1269 | |
1270 | if (p->access) | |
5e805e44 JJ |
1271 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_access, |
1272 | p->access); | |
6de9cd9a DN |
1273 | |
1274 | if (p->sequential) | |
5e805e44 JJ |
1275 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_sequential, |
1276 | p->sequential); | |
6de9cd9a DN |
1277 | |
1278 | if (p->direct) | |
5e805e44 JJ |
1279 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_direct, |
1280 | p->direct); | |
6de9cd9a DN |
1281 | |
1282 | if (p->form) | |
5e805e44 JJ |
1283 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_form, |
1284 | p->form); | |
6de9cd9a DN |
1285 | |
1286 | if (p->formatted) | |
5e805e44 JJ |
1287 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_formatted, |
1288 | p->formatted); | |
6de9cd9a DN |
1289 | |
1290 | if (p->unformatted) | |
5e805e44 JJ |
1291 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_unformatted, |
1292 | p->unformatted); | |
6de9cd9a DN |
1293 | |
1294 | if (p->recl) | |
5e805e44 JJ |
1295 | mask |= set_parameter_ref (&block, &post_block, var, |
1296 | IOPARM_inquire_recl_out, p->recl); | |
6de9cd9a DN |
1297 | |
1298 | if (p->nextrec) | |
5e805e44 JJ |
1299 | mask |= set_parameter_ref (&block, &post_block, var, |
1300 | IOPARM_inquire_nextrec, p->nextrec); | |
6de9cd9a DN |
1301 | |
1302 | if (p->blank) | |
5e805e44 JJ |
1303 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_blank, |
1304 | p->blank); | |
6de9cd9a | 1305 | |
d06b3496 JD |
1306 | if (p->delim) |
1307 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_delim, | |
1308 | p->delim); | |
1309 | ||
6de9cd9a | 1310 | if (p->position) |
5e805e44 JJ |
1311 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_position, |
1312 | p->position); | |
6de9cd9a DN |
1313 | |
1314 | if (p->action) | |
5e805e44 JJ |
1315 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_action, |
1316 | p->action); | |
6de9cd9a DN |
1317 | |
1318 | if (p->read) | |
5e805e44 JJ |
1319 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_read, |
1320 | p->read); | |
6de9cd9a DN |
1321 | |
1322 | if (p->write) | |
5e805e44 JJ |
1323 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_write, |
1324 | p->write); | |
6de9cd9a DN |
1325 | |
1326 | if (p->readwrite) | |
5e805e44 JJ |
1327 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_readwrite, |
1328 | p->readwrite); | |
6de9cd9a | 1329 | |
dae24534 | 1330 | if (p->pad) |
5e805e44 JJ |
1331 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_pad, |
1332 | p->pad); | |
d06b3496 | 1333 | |
181c9f4a TK |
1334 | if (p->convert) |
1335 | mask |= set_string (&block, &post_block, var, IOPARM_inquire_convert, | |
1336 | p->convert); | |
1337 | ||
014ec6ee JD |
1338 | if (p->strm_pos) |
1339 | mask |= set_parameter_ref (&block, &post_block, var, | |
1340 | IOPARM_inquire_strm_pos_out, p->strm_pos); | |
1341 | ||
6f0f0b2e JD |
1342 | /* The second series of flags. */ |
1343 | if (p->asynchronous) | |
1344 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_asynchronous, | |
1345 | p->asynchronous); | |
1346 | ||
1347 | if (p->decimal) | |
1348 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_decimal, | |
1349 | p->decimal); | |
1350 | ||
1351 | if (p->encoding) | |
1352 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_encoding, | |
1353 | p->encoding); | |
1354 | ||
1355 | if (p->round) | |
1356 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_round, | |
1357 | p->round); | |
1358 | ||
1359 | if (p->sign) | |
1360 | mask2 |= set_string (&block, &post_block, var, IOPARM_inquire_sign, | |
1361 | p->sign); | |
1362 | ||
1363 | if (p->pending) | |
1364 | mask2 |= set_parameter_ref (&block, &post_block, var, | |
1365 | IOPARM_inquire_pending, p->pending); | |
1366 | ||
1367 | if (p->size) | |
1368 | mask2 |= set_parameter_ref (&block, &post_block, var, IOPARM_inquire_size, | |
1369 | p->size); | |
1370 | ||
1371 | if (p->id) | |
d06b3496 JD |
1372 | mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id, |
1373 | p->id); | |
6f0f0b2e | 1374 | |
6f0f0b2e | 1375 | if (mask2) |
e1456843 | 1376 | mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2); |
6f0f0b2e | 1377 | |
5e805e44 | 1378 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
6de9cd9a | 1379 | |
f96d606f JD |
1380 | if (p->unit) |
1381 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1382 | else | |
1383 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
1384 | ||
628c189e | 1385 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1386 | tmp = build_call_expr_loc (input_location, |
1387 | iocall[IOCALL_INQUIRE], 1, tmp); | |
6de9cd9a DN |
1388 | gfc_add_expr_to_block (&block, tmp); |
1389 | ||
1390 | gfc_add_block_to_block (&block, &post_block); | |
1391 | ||
5e805e44 | 1392 | io_result (&block, var, p->err, NULL, NULL); |
6de9cd9a DN |
1393 | |
1394 | return gfc_finish_block (&block); | |
1395 | } | |
1396 | ||
6f0f0b2e JD |
1397 | |
1398 | tree | |
1399 | gfc_trans_wait (gfc_code * code) | |
1400 | { | |
1401 | stmtblock_t block, post_block; | |
1402 | gfc_wait *p; | |
1403 | tree tmp, var; | |
1404 | unsigned int mask = 0; | |
1405 | ||
1406 | gfc_start_block (&block); | |
1407 | gfc_init_block (&post_block); | |
1408 | ||
1409 | var = gfc_create_var (st_parameter[IOPARM_ptype_wait].type, | |
1410 | "wait_parm"); | |
1411 | ||
1412 | set_error_locus (&block, var, &code->loc); | |
1413 | p = code->ext.wait; | |
1414 | ||
1415 | /* Set parameters here. */ | |
1416 | if (p->iomsg) | |
1417 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1418 | p->iomsg); | |
1419 | ||
1420 | if (p->iostat) | |
1421 | mask |= set_parameter_ref (&block, &post_block, var, IOPARM_common_iostat, | |
1422 | p->iostat); | |
1423 | ||
1424 | if (p->err) | |
1425 | mask |= IOPARM_common_err; | |
1426 | ||
1427 | if (p->id) | |
1428 | mask |= set_parameter_value (&block, var, IOPARM_wait_id, p->id); | |
1429 | ||
1430 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
1431 | ||
1432 | if (p->unit) | |
1433 | set_parameter_value (&block, var, IOPARM_common_unit, p->unit); | |
1434 | ||
628c189e | 1435 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
db3927fb AH |
1436 | tmp = build_call_expr_loc (input_location, |
1437 | iocall[IOCALL_WAIT], 1, tmp); | |
6f0f0b2e JD |
1438 | gfc_add_expr_to_block (&block, tmp); |
1439 | ||
1440 | gfc_add_block_to_block (&block, &post_block); | |
1441 | ||
1442 | io_result (&block, var, p->err, NULL, NULL); | |
1443 | ||
1444 | return gfc_finish_block (&block); | |
1445 | ||
1446 | } | |
1447 | ||
6de9cd9a | 1448 | |
29dc5138 | 1449 | /* nml_full_name builds up the fully qualified name of a |
66e4ab31 | 1450 | derived type component. */ |
29dc5138 PT |
1451 | |
1452 | static char* | |
1453 | nml_full_name (const char* var_name, const char* cmp_name) | |
6de9cd9a | 1454 | { |
29dc5138 PT |
1455 | int full_name_length; |
1456 | char * full_name; | |
1457 | ||
1458 | full_name_length = strlen (var_name) + strlen (cmp_name) + 1; | |
1459 | full_name = (char*)gfc_getmem (full_name_length + 1); | |
1460 | strcpy (full_name, var_name); | |
1461 | full_name = strcat (full_name, "%"); | |
1462 | full_name = strcat (full_name, cmp_name); | |
1463 | return full_name; | |
6de9cd9a DN |
1464 | } |
1465 | ||
29dc5138 PT |
1466 | /* nml_get_addr_expr builds an address expression from the |
1467 | gfc_symbol or gfc_component backend_decl's. An offset is | |
1468 | provided so that the address of an element of an array of | |
1469 | derived types is returned. This is used in the runtime to | |
66e4ab31 | 1470 | determine that span of the derived type. */ |
29dc5138 PT |
1471 | |
1472 | static tree | |
1473 | nml_get_addr_expr (gfc_symbol * sym, gfc_component * c, | |
1474 | tree base_addr) | |
1475 | { | |
1476 | tree decl = NULL_TREE; | |
1477 | tree tmp; | |
1478 | tree itmp; | |
1479 | int array_flagged; | |
1480 | int dummy_arg_flagged; | |
1481 | ||
1482 | if (sym) | |
1483 | { | |
1484 | sym->attr.referenced = 1; | |
1485 | decl = gfc_get_symbol_decl (sym); | |
847b053d PT |
1486 | |
1487 | /* If this is the enclosing function declaration, use | |
1488 | the fake result instead. */ | |
1489 | if (decl == current_function_decl) | |
1490 | decl = gfc_get_fake_result_decl (sym, 0); | |
1491 | else if (decl == DECL_CONTEXT (current_function_decl)) | |
1492 | decl = gfc_get_fake_result_decl (sym, 1); | |
29dc5138 PT |
1493 | } |
1494 | else | |
1495 | decl = c->backend_decl; | |
1496 | ||
1497 | gcc_assert (decl && ((TREE_CODE (decl) == FIELD_DECL | |
1498 | || TREE_CODE (decl) == VAR_DECL | |
1499 | || TREE_CODE (decl) == PARM_DECL) | |
1500 | || TREE_CODE (decl) == COMPONENT_REF)); | |
1501 | ||
1502 | tmp = decl; | |
1503 | ||
1504 | /* Build indirect reference, if dummy argument. */ | |
1505 | ||
1506 | dummy_arg_flagged = POINTER_TYPE_P (TREE_TYPE(tmp)); | |
1507 | ||
db3927fb AH |
1508 | itmp = (dummy_arg_flagged) ? build_fold_indirect_ref_loc (input_location, |
1509 | tmp) : tmp; | |
29dc5138 PT |
1510 | |
1511 | /* If an array, set flag and use indirect ref. if built. */ | |
1512 | ||
1513 | array_flagged = (TREE_CODE (TREE_TYPE (itmp)) == ARRAY_TYPE | |
1514 | && !TYPE_STRING_FLAG (TREE_TYPE (itmp))); | |
1515 | ||
1516 | if (array_flagged) | |
1517 | tmp = itmp; | |
1518 | ||
1519 | /* Treat the component of a derived type, using base_addr for | |
1520 | the derived type. */ | |
1521 | ||
1522 | if (TREE_CODE (decl) == FIELD_DECL) | |
65a9ca82 TB |
1523 | tmp = fold_build3_loc (input_location, COMPONENT_REF, TREE_TYPE (tmp), |
1524 | base_addr, tmp, NULL_TREE); | |
29dc5138 PT |
1525 | |
1526 | /* If we have a derived type component, a reference to the first | |
1527 | element of the array is built. This is done so that base_addr, | |
1528 | used in the build of the component reference, always points to | |
1529 | a RECORD_TYPE. */ | |
1530 | ||
1531 | if (array_flagged) | |
1d6b7f39 | 1532 | tmp = gfc_build_array_ref (tmp, gfc_index_zero_node, NULL); |
29dc5138 PT |
1533 | |
1534 | /* Now build the address expression. */ | |
1535 | ||
628c189e | 1536 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
29dc5138 PT |
1537 | |
1538 | /* If scalar dummy, resolve indirect reference now. */ | |
1539 | ||
1540 | if (dummy_arg_flagged && !array_flagged) | |
db3927fb AH |
1541 | tmp = build_fold_indirect_ref_loc (input_location, |
1542 | tmp); | |
29dc5138 PT |
1543 | |
1544 | gcc_assert (tmp && POINTER_TYPE_P (TREE_TYPE (tmp))); | |
1545 | ||
1546 | return tmp; | |
1547 | } | |
3bc268e6 | 1548 | |
29dc5138 | 1549 | /* For an object VAR_NAME whose base address is BASE_ADDR, generate a |
5e805e44 JJ |
1550 | call to iocall[IOCALL_SET_NML_VAL]. For derived type variable, recursively |
1551 | generate calls to iocall[IOCALL_SET_NML_VAL] for each component. */ | |
3bc268e6 | 1552 | |
29dc5138 | 1553 | #define IARG(i) build_int_cst (gfc_array_index_type, i) |
3bc268e6 VL |
1554 | |
1555 | static void | |
29dc5138 PT |
1556 | transfer_namelist_element (stmtblock_t * block, const char * var_name, |
1557 | gfc_symbol * sym, gfc_component * c, | |
1558 | tree base_addr) | |
3bc268e6 | 1559 | { |
29dc5138 PT |
1560 | gfc_typespec * ts = NULL; |
1561 | gfc_array_spec * as = NULL; | |
1562 | tree addr_expr = NULL; | |
1563 | tree dt = NULL; | |
1564 | tree string; | |
1565 | tree tmp; | |
29dc5138 | 1566 | tree dtype; |
5e805e44 | 1567 | tree dt_parm_addr; |
29dc5138 PT |
1568 | int n_dim; |
1569 | int itype; | |
1570 | int rank = 0; | |
3bc268e6 | 1571 | |
29dc5138 | 1572 | gcc_assert (sym || c); |
3bc268e6 | 1573 | |
29dc5138 PT |
1574 | /* Build the namelist object name. */ |
1575 | ||
1576 | string = gfc_build_cstring_const (var_name); | |
1577 | string = gfc_build_addr_expr (pchar_type_node, string); | |
1578 | ||
1579 | /* Build ts, as and data address using symbol or component. */ | |
1580 | ||
1581 | ts = (sym) ? &sym->ts : &c->ts; | |
1582 | as = (sym) ? sym->as : c->as; | |
1583 | ||
1584 | addr_expr = nml_get_addr_expr (sym, c, base_addr); | |
1585 | ||
1586 | if (as) | |
1587 | rank = as->rank; | |
1588 | ||
1589 | if (rank) | |
3bc268e6 | 1590 | { |
29dc5138 PT |
1591 | dt = TREE_TYPE ((sym) ? sym->backend_decl : c->backend_decl); |
1592 | dtype = gfc_get_dtype (dt); | |
3bc268e6 | 1593 | } |
29dc5138 PT |
1594 | else |
1595 | { | |
a11930ba | 1596 | itype = ts->type; |
29dc5138 | 1597 | dtype = IARG (itype << GFC_DTYPE_TYPE_SHIFT); |
3bc268e6 VL |
1598 | } |
1599 | ||
29dc5138 PT |
1600 | /* Build up the arguments for the transfer call. |
1601 | The call for the scalar part transfers: | |
1602 | (address, name, type, kind or string_length, dtype) */ | |
1603 | ||
628c189e | 1604 | dt_parm_addr = gfc_build_addr_expr (NULL_TREE, dt_parm); |
29dc5138 PT |
1605 | |
1606 | if (ts->type == BT_CHARACTER) | |
bc21d315 | 1607 | tmp = ts->u.cl->backend_decl; |
29dc5138 | 1608 | else |
5039610b | 1609 | tmp = build_int_cst (gfc_charlen_type_node, 0); |
db3927fb AH |
1610 | tmp = build_call_expr_loc (input_location, |
1611 | iocall[IOCALL_SET_NML_VAL], 6, | |
5039610b SL |
1612 | dt_parm_addr, addr_expr, string, |
1613 | IARG (ts->kind), tmp, dtype); | |
3bc268e6 | 1614 | gfc_add_expr_to_block (block, tmp); |
29dc5138 PT |
1615 | |
1616 | /* If the object is an array, transfer rank times: | |
1617 | (null pointer, name, stride, lbound, ubound) */ | |
1618 | ||
1619 | for ( n_dim = 0 ; n_dim < rank ; n_dim++ ) | |
1620 | { | |
db3927fb AH |
1621 | tmp = build_call_expr_loc (input_location, |
1622 | iocall[IOCALL_SET_NML_VAL_DIM], 5, | |
5039610b SL |
1623 | dt_parm_addr, |
1624 | IARG (n_dim), | |
1625 | GFC_TYPE_ARRAY_STRIDE (dt, n_dim), | |
1626 | GFC_TYPE_ARRAY_LBOUND (dt, n_dim), | |
1627 | GFC_TYPE_ARRAY_UBOUND (dt, n_dim)); | |
29dc5138 PT |
1628 | gfc_add_expr_to_block (block, tmp); |
1629 | } | |
1630 | ||
1631 | if (ts->type == BT_DERIVED) | |
1632 | { | |
1633 | gfc_component *cmp; | |
1634 | ||
1635 | /* Provide the RECORD_TYPE to build component references. */ | |
1636 | ||
db3927fb AH |
1637 | tree expr = build_fold_indirect_ref_loc (input_location, |
1638 | addr_expr); | |
29dc5138 | 1639 | |
bc21d315 | 1640 | for (cmp = ts->u.derived->components; cmp; cmp = cmp->next) |
29dc5138 PT |
1641 | { |
1642 | char *full_name = nml_full_name (var_name, cmp->name); | |
1643 | transfer_namelist_element (block, | |
1644 | full_name, | |
1645 | NULL, cmp, expr); | |
1646 | gfc_free (full_name); | |
1647 | } | |
1648 | } | |
3bc268e6 | 1649 | } |
6de9cd9a | 1650 | |
29dc5138 | 1651 | #undef IARG |
29dc5138 | 1652 | |
6de9cd9a DN |
1653 | /* Create a data transfer statement. Not all of the fields are valid |
1654 | for both reading and writing, but improper use has been filtered | |
1655 | out by now. */ | |
1656 | ||
1657 | static tree | |
5e805e44 | 1658 | build_dt (tree function, gfc_code * code) |
6de9cd9a | 1659 | { |
d4feb3d3 | 1660 | stmtblock_t block, post_block, post_end_block, post_iu_block; |
6de9cd9a | 1661 | gfc_dt *dt; |
5e805e44 | 1662 | tree tmp, var; |
29dc5138 | 1663 | gfc_expr *nmlname; |
3bc268e6 | 1664 | gfc_namelist *nml; |
5e1bdeb7 | 1665 | unsigned int mask = 0; |
6de9cd9a | 1666 | |
5e805e44 | 1667 | gfc_start_block (&block); |
6de9cd9a | 1668 | gfc_init_block (&post_block); |
5e805e44 | 1669 | gfc_init_block (&post_end_block); |
d4feb3d3 | 1670 | gfc_init_block (&post_iu_block); |
5e805e44 JJ |
1671 | |
1672 | var = gfc_create_var (st_parameter[IOPARM_ptype_dt].type, "dt_parm"); | |
1673 | ||
1674 | set_error_locus (&block, var, &code->loc); | |
6de9cd9a | 1675 | |
5e805e44 JJ |
1676 | if (last_dt == IOLENGTH) |
1677 | { | |
1678 | gfc_inquire *inq; | |
1679 | ||
1680 | inq = code->ext.inquire; | |
6de9cd9a | 1681 | |
5e805e44 JJ |
1682 | /* First check that preconditions are met. */ |
1683 | gcc_assert (inq != NULL); | |
1684 | gcc_assert (inq->iolength != NULL); | |
1685 | ||
1686 | /* Connect to the iolength variable. */ | |
1687 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1688 | IOPARM_dt_iolength, inq->iolength); | |
1689 | dt = NULL; | |
1690 | } | |
1691 | else | |
1692 | { | |
1693 | dt = code->ext.dt; | |
1694 | gcc_assert (dt != NULL); | |
1695 | } | |
8750f9cd | 1696 | |
5e805e44 | 1697 | if (dt && dt->io_unit) |
6de9cd9a DN |
1698 | { |
1699 | if (dt->io_unit->ts.type == BT_CHARACTER) | |
1700 | { | |
d4feb3d3 PT |
1701 | mask |= set_internal_unit (&block, &post_iu_block, |
1702 | var, dt->io_unit); | |
c8dce2cf JD |
1703 | set_parameter_const (&block, var, IOPARM_common_unit, |
1704 | dt->io_unit->ts.kind == 1 ? 0 : -1); | |
6de9cd9a | 1705 | } |
6de9cd9a | 1706 | } |
5e805e44 JJ |
1707 | else |
1708 | set_parameter_const (&block, var, IOPARM_common_unit, 0); | |
6de9cd9a | 1709 | |
5e805e44 JJ |
1710 | if (dt) |
1711 | { | |
f96d606f JD |
1712 | if (dt->iomsg) |
1713 | mask |= set_string (&block, &post_block, var, IOPARM_common_iomsg, | |
1714 | dt->iomsg); | |
1715 | ||
1716 | if (dt->iostat) | |
1717 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1718 | IOPARM_common_iostat, dt->iostat); | |
1719 | ||
1720 | if (dt->err) | |
1721 | mask |= IOPARM_common_err; | |
1722 | ||
1723 | if (dt->eor) | |
1724 | mask |= IOPARM_common_eor; | |
1725 | ||
1726 | if (dt->end) | |
1727 | mask |= IOPARM_common_end; | |
1728 | ||
6f0f0b2e JD |
1729 | if (dt->id) |
1730 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1731 | IOPARM_dt_id, dt->id); | |
1732 | ||
1733 | if (dt->pos) | |
1734 | mask |= set_parameter_value (&block, var, IOPARM_dt_pos, dt->pos); | |
1735 | ||
1736 | if (dt->asynchronous) | |
1737 | mask |= set_string (&block, &post_block, var, IOPARM_dt_asynchronous, | |
1738 | dt->asynchronous); | |
1739 | ||
1740 | if (dt->blank) | |
1741 | mask |= set_string (&block, &post_block, var, IOPARM_dt_blank, | |
1742 | dt->blank); | |
1743 | ||
1744 | if (dt->decimal) | |
1745 | mask |= set_string (&block, &post_block, var, IOPARM_dt_decimal, | |
1746 | dt->decimal); | |
1747 | ||
1748 | if (dt->delim) | |
1749 | mask |= set_string (&block, &post_block, var, IOPARM_dt_delim, | |
1750 | dt->delim); | |
1751 | ||
1752 | if (dt->pad) | |
1753 | mask |= set_string (&block, &post_block, var, IOPARM_dt_pad, | |
1754 | dt->pad); | |
1755 | ||
1756 | if (dt->round) | |
1757 | mask |= set_string (&block, &post_block, var, IOPARM_dt_round, | |
1758 | dt->round); | |
1759 | ||
1760 | if (dt->sign) | |
1761 | mask |= set_string (&block, &post_block, var, IOPARM_dt_sign, | |
1762 | dt->sign); | |
1763 | ||
5e805e44 JJ |
1764 | if (dt->rec) |
1765 | mask |= set_parameter_value (&block, var, IOPARM_dt_rec, dt->rec); | |
6de9cd9a | 1766 | |
5e805e44 JJ |
1767 | if (dt->advance) |
1768 | mask |= set_string (&block, &post_block, var, IOPARM_dt_advance, | |
1769 | dt->advance); | |
6de9cd9a | 1770 | |
5e805e44 | 1771 | if (dt->format_expr) |
9341698a | 1772 | mask |= set_string (&block, &post_end_block, var, IOPARM_dt_format, |
5e805e44 | 1773 | dt->format_expr); |
6de9cd9a | 1774 | |
5e805e44 JJ |
1775 | if (dt->format_label) |
1776 | { | |
1777 | if (dt->format_label == &format_asterisk) | |
1778 | mask |= IOPARM_dt_list_format; | |
1779 | else | |
1780 | mask |= set_string (&block, &post_block, var, IOPARM_dt_format, | |
1781 | dt->format_label->format); | |
1782 | } | |
6de9cd9a | 1783 | |
5e805e44 JJ |
1784 | if (dt->size) |
1785 | mask |= set_parameter_ref (&block, &post_end_block, var, | |
1786 | IOPARM_dt_size, dt->size); | |
6de9cd9a | 1787 | |
5e805e44 JJ |
1788 | if (dt->namelist) |
1789 | { | |
1790 | if (dt->format_expr || dt->format_label) | |
1791 | gfc_internal_error ("build_dt: format with namelist"); | |
1792 | ||
b7e75771 JD |
1793 | nmlname = gfc_get_character_expr (gfc_default_character_kind, NULL, |
1794 | dt->namelist->name, | |
1795 | strlen (dt->namelist->name)); | |
29dc5138 | 1796 | |
5e805e44 JJ |
1797 | mask |= set_string (&block, &post_block, var, IOPARM_dt_namelist_name, |
1798 | nmlname); | |
29dc5138 | 1799 | |
5e805e44 JJ |
1800 | if (last_dt == READ) |
1801 | mask |= IOPARM_dt_namelist_read_mode; | |
29dc5138 | 1802 | |
5e805e44 | 1803 | set_parameter_const (&block, var, IOPARM_common_flags, mask); |
29dc5138 | 1804 | |
5e805e44 JJ |
1805 | dt_parm = var; |
1806 | ||
1807 | for (nml = dt->namelist->namelist; nml; nml = nml->next) | |
1808 | transfer_namelist_element (&block, nml->sym->name, nml->sym, | |
71ff73f3 | 1809 | NULL, NULL_TREE); |
5e805e44 JJ |
1810 | } |
1811 | else | |
1812 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
f96d606f JD |
1813 | |
1814 | if (dt->io_unit && dt->io_unit->ts.type == BT_INTEGER) | |
1815 | set_parameter_value (&block, var, IOPARM_common_unit, dt->io_unit); | |
6de9cd9a | 1816 | } |
5e805e44 JJ |
1817 | else |
1818 | set_parameter_const (&block, var, IOPARM_common_flags, mask); | |
6de9cd9a | 1819 | |
628c189e | 1820 | tmp = gfc_build_addr_expr (NULL_TREE, var); |
033e7d21 | 1821 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
db3927fb | 1822 | function, 1, tmp); |
6de9cd9a DN |
1823 | gfc_add_expr_to_block (&block, tmp); |
1824 | ||
1825 | gfc_add_block_to_block (&block, &post_block); | |
1826 | ||
5e805e44 JJ |
1827 | dt_parm = var; |
1828 | dt_post_end_block = &post_end_block; | |
1829 | ||
bc51e726 JD |
1830 | /* Set implied do loop exit condition. */ |
1831 | if (last_dt == READ || last_dt == WRITE) | |
1832 | { | |
1833 | gfc_st_parameter_field *p = &st_parameter_field[IOPARM_common_flags]; | |
1834 | ||
65a9ca82 TB |
1835 | tmp = fold_build3_loc (input_location, COMPONENT_REF, |
1836 | st_parameter[IOPARM_ptype_common].type, | |
1837 | dt_parm, TYPE_FIELDS (TREE_TYPE (dt_parm)), | |
1838 | NULL_TREE); | |
1839 | tmp = fold_build3_loc (input_location, COMPONENT_REF, | |
1840 | TREE_TYPE (p->field), tmp, p->field, NULL_TREE); | |
1841 | tmp = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (tmp), | |
1842 | tmp, build_int_cst (TREE_TYPE (tmp), | |
1843 | IOPARM_common_libreturn_mask)); | |
bc51e726 JD |
1844 | } |
1845 | else /* IOLENGTH */ | |
1846 | tmp = NULL_TREE; | |
1847 | ||
1848 | gfc_add_expr_to_block (&block, gfc_trans_code_cond (code->block->next, tmp)); | |
5e805e44 | 1849 | |
d4feb3d3 PT |
1850 | gfc_add_block_to_block (&block, &post_iu_block); |
1851 | ||
5e805e44 JJ |
1852 | dt_parm = NULL; |
1853 | dt_post_end_block = NULL; | |
1854 | ||
6de9cd9a DN |
1855 | return gfc_finish_block (&block); |
1856 | } | |
1857 | ||
1858 | ||
8750f9cd JB |
1859 | /* Translate the IOLENGTH form of an INQUIRE statement. We treat |
1860 | this as a third sort of data transfer statement, except that | |
e7dc5b4f | 1861 | lengths are summed instead of actually transferring any data. */ |
8750f9cd JB |
1862 | |
1863 | tree | |
1864 | gfc_trans_iolength (gfc_code * code) | |
1865 | { | |
8750f9cd | 1866 | last_dt = IOLENGTH; |
5e805e44 | 1867 | return build_dt (iocall[IOCALL_IOLENGTH], code); |
8750f9cd JB |
1868 | } |
1869 | ||
1870 | ||
6de9cd9a DN |
1871 | /* Translate a READ statement. */ |
1872 | ||
1873 | tree | |
1874 | gfc_trans_read (gfc_code * code) | |
1875 | { | |
6de9cd9a | 1876 | last_dt = READ; |
5e805e44 | 1877 | return build_dt (iocall[IOCALL_READ], code); |
6de9cd9a DN |
1878 | } |
1879 | ||
1880 | ||
1881 | /* Translate a WRITE statement */ | |
1882 | ||
1883 | tree | |
1884 | gfc_trans_write (gfc_code * code) | |
1885 | { | |
6de9cd9a | 1886 | last_dt = WRITE; |
5e805e44 | 1887 | return build_dt (iocall[IOCALL_WRITE], code); |
6de9cd9a DN |
1888 | } |
1889 | ||
1890 | ||
1891 | /* Finish a data transfer statement. */ | |
1892 | ||
1893 | tree | |
1894 | gfc_trans_dt_end (gfc_code * code) | |
1895 | { | |
1896 | tree function, tmp; | |
1897 | stmtblock_t block; | |
1898 | ||
1899 | gfc_init_block (&block); | |
1900 | ||
8750f9cd JB |
1901 | switch (last_dt) |
1902 | { | |
1903 | case READ: | |
5e805e44 | 1904 | function = iocall[IOCALL_READ_DONE]; |
8750f9cd JB |
1905 | break; |
1906 | ||
1907 | case WRITE: | |
5e805e44 | 1908 | function = iocall[IOCALL_WRITE_DONE]; |
8750f9cd JB |
1909 | break; |
1910 | ||
1911 | case IOLENGTH: | |
5e805e44 | 1912 | function = iocall[IOCALL_IOLENGTH_DONE]; |
8750f9cd JB |
1913 | break; |
1914 | ||
1915 | default: | |
6e45f57b | 1916 | gcc_unreachable (); |
8750f9cd | 1917 | } |
6de9cd9a | 1918 | |
628c189e | 1919 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
1920 | tmp = build_call_expr_loc (input_location, |
1921 | function, 1, tmp); | |
6de9cd9a | 1922 | gfc_add_expr_to_block (&block, tmp); |
5e805e44 JJ |
1923 | gfc_add_block_to_block (&block, dt_post_end_block); |
1924 | gfc_init_block (dt_post_end_block); | |
6de9cd9a | 1925 | |
8750f9cd JB |
1926 | if (last_dt != IOLENGTH) |
1927 | { | |
6e45f57b | 1928 | gcc_assert (code->ext.dt != NULL); |
5e805e44 | 1929 | io_result (&block, dt_parm, code->ext.dt->err, |
8750f9cd JB |
1930 | code->ext.dt->end, code->ext.dt->eor); |
1931 | } | |
6de9cd9a DN |
1932 | |
1933 | return gfc_finish_block (&block); | |
1934 | } | |
1935 | ||
d2ccf6aa | 1936 | static void |
aa5e22f0 | 1937 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code); |
d2ccf6aa VL |
1938 | |
1939 | /* Given an array field in a derived type variable, generate the code | |
1940 | for the loop that iterates over array elements, and the code that | |
1941 | accesses those array elements. Use transfer_expr to generate code | |
1942 | for transferring that element. Because elements may also be | |
1943 | derived types, transfer_expr and transfer_array_component are mutually | |
1944 | recursive. */ | |
1945 | ||
1946 | static tree | |
bdfd2ff0 | 1947 | transfer_array_component (tree expr, gfc_component * cm, locus * where) |
d2ccf6aa VL |
1948 | { |
1949 | tree tmp; | |
1950 | stmtblock_t body; | |
1951 | stmtblock_t block; | |
1952 | gfc_loopinfo loop; | |
1953 | int n; | |
1954 | gfc_ss *ss; | |
1955 | gfc_se se; | |
1956 | ||
1957 | gfc_start_block (&block); | |
1958 | gfc_init_se (&se, NULL); | |
1959 | ||
1960 | /* Create and initialize Scalarization Status. Unlike in | |
1961 | gfc_trans_transfer, we can't simply use gfc_walk_expr to take | |
1962 | care of this task, because we don't have a gfc_expr at hand. | |
1963 | Build one manually, as in gfc_trans_subarray_assign. */ | |
1964 | ||
1965 | ss = gfc_get_ss (); | |
1966 | ss->type = GFC_SS_COMPONENT; | |
1967 | ss->expr = NULL; | |
1968 | ss->shape = gfc_get_shape (cm->as->rank); | |
1969 | ss->next = gfc_ss_terminator; | |
1970 | ss->data.info.dimen = cm->as->rank; | |
1971 | ss->data.info.descriptor = expr; | |
1972 | ss->data.info.data = gfc_conv_array_data (expr); | |
1973 | ss->data.info.offset = gfc_conv_array_offset (expr); | |
1974 | for (n = 0; n < cm->as->rank; n++) | |
1975 | { | |
1976 | ss->data.info.dim[n] = n; | |
1977 | ss->data.info.start[n] = gfc_conv_array_lbound (expr, n); | |
1978 | ss->data.info.stride[n] = gfc_index_one_node; | |
1979 | ||
1980 | mpz_init (ss->shape[n]); | |
1981 | mpz_sub (ss->shape[n], cm->as->upper[n]->value.integer, | |
1982 | cm->as->lower[n]->value.integer); | |
1983 | mpz_add_ui (ss->shape[n], ss->shape[n], 1); | |
1984 | } | |
1985 | ||
f7b529fa | 1986 | /* Once we got ss, we use scalarizer to create the loop. */ |
d2ccf6aa VL |
1987 | |
1988 | gfc_init_loopinfo (&loop); | |
1989 | gfc_add_ss_to_loop (&loop, ss); | |
1990 | gfc_conv_ss_startstride (&loop); | |
bdfd2ff0 | 1991 | gfc_conv_loop_setup (&loop, where); |
d2ccf6aa VL |
1992 | gfc_mark_ss_chain_used (ss, 1); |
1993 | gfc_start_scalarized_body (&loop, &body); | |
1994 | ||
1995 | gfc_copy_loopinfo_to_se (&se, &loop); | |
1996 | se.ss = ss; | |
1997 | ||
1998 | /* gfc_conv_tmp_array_ref assumes that se.expr contains the array. */ | |
1999 | se.expr = expr; | |
2000 | gfc_conv_tmp_array_ref (&se); | |
2001 | ||
2002 | /* Now se.expr contains an element of the array. Take the address and pass | |
2003 | it to the IO routines. */ | |
628c189e | 2004 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
aa5e22f0 | 2005 | transfer_expr (&se, &cm->ts, tmp, NULL); |
d2ccf6aa VL |
2006 | |
2007 | /* We are done now with the loop body. Wrap up the scalarizer and | |
f7b529fa | 2008 | return. */ |
d2ccf6aa VL |
2009 | |
2010 | gfc_add_block_to_block (&body, &se.pre); | |
2011 | gfc_add_block_to_block (&body, &se.post); | |
2012 | ||
2013 | gfc_trans_scalarizing_loops (&loop, &body); | |
2014 | ||
2015 | gfc_add_block_to_block (&block, &loop.pre); | |
2016 | gfc_add_block_to_block (&block, &loop.post); | |
2017 | ||
d2ccf6aa VL |
2018 | for (n = 0; n < cm->as->rank; n++) |
2019 | mpz_clear (ss->shape[n]); | |
2020 | gfc_free (ss->shape); | |
2021 | ||
96654664 PB |
2022 | gfc_cleanup_loop (&loop); |
2023 | ||
d2ccf6aa VL |
2024 | return gfc_finish_block (&block); |
2025 | } | |
6de9cd9a DN |
2026 | |
2027 | /* Generate the call for a scalar transfer node. */ | |
2028 | ||
2029 | static void | |
aa5e22f0 | 2030 | transfer_expr (gfc_se * se, gfc_typespec * ts, tree addr_expr, gfc_code * code) |
6de9cd9a | 2031 | { |
8a221914 | 2032 | tree tmp, function, arg2, arg3, field, expr; |
6de9cd9a DN |
2033 | gfc_component *c; |
2034 | int kind; | |
2035 | ||
a8b3b0b6 CR |
2036 | /* It is possible to get a C_NULL_PTR or C_NULL_FUNPTR expression here if |
2037 | the user says something like: print *, 'c_null_ptr: ', c_null_ptr | |
2038 | We need to translate the expression to a constant if it's either | |
aa5e22f0 CR |
2039 | C_NULL_PTR or C_NULL_FUNPTR. We could also get a user variable of |
2040 | type C_PTR or C_FUNPTR, in which case the ts->type may no longer be | |
2041 | BT_DERIVED (could have been changed by gfc_conv_expr). */ | |
bc21d315 JW |
2042 | if ((ts->type == BT_DERIVED || ts->type == BT_INTEGER) |
2043 | && ts->u.derived != NULL | |
2044 | && (ts->is_iso_c == 1 || ts->u.derived->ts.is_iso_c == 1)) | |
a8b3b0b6 | 2045 | { |
aa5e22f0 CR |
2046 | /* C_PTR and C_FUNPTR have private components which means they can not |
2047 | be printed. However, if -std=gnu and not -pedantic, allow | |
2048 | the component to be printed to help debugging. */ | |
2049 | if (gfc_notification_std (GFC_STD_GNU) != SILENT) | |
2050 | { | |
2051 | gfc_error_now ("Derived type '%s' at %L has PRIVATE components", | |
bc21d315 | 2052 | ts->u.derived->name, code != NULL ? &(code->loc) : |
aa5e22f0 CR |
2053 | &gfc_current_locus); |
2054 | return; | |
2055 | } | |
2056 | ||
bc21d315 JW |
2057 | ts->type = ts->u.derived->ts.type; |
2058 | ts->kind = ts->u.derived->ts.kind; | |
2059 | ts->f90_type = ts->u.derived->ts.f90_type; | |
a8b3b0b6 CR |
2060 | } |
2061 | ||
6de9cd9a DN |
2062 | kind = ts->kind; |
2063 | function = NULL; | |
2064 | arg2 = NULL; | |
8a221914 | 2065 | arg3 = NULL; |
6de9cd9a DN |
2066 | |
2067 | switch (ts->type) | |
2068 | { | |
2069 | case BT_INTEGER: | |
7d60be94 | 2070 | arg2 = build_int_cst (NULL_TREE, kind); |
6eb6875d TK |
2071 | if (last_dt == READ) |
2072 | function = iocall[IOCALL_X_INTEGER]; | |
2073 | else | |
2074 | function = iocall[IOCALL_X_INTEGER_WRITE]; | |
2075 | ||
6de9cd9a DN |
2076 | break; |
2077 | ||
2078 | case BT_REAL: | |
7d60be94 | 2079 | arg2 = build_int_cst (NULL_TREE, kind); |
6eb6875d | 2080 | if (last_dt == READ) |
1ec601bf FXC |
2081 | { |
2082 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2083 | function = iocall[IOCALL_X_REAL128]; | |
2084 | else | |
2085 | function = iocall[IOCALL_X_REAL]; | |
2086 | } | |
6eb6875d | 2087 | else |
1ec601bf FXC |
2088 | { |
2089 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2090 | function = iocall[IOCALL_X_REAL128_WRITE]; | |
2091 | else | |
2092 | function = iocall[IOCALL_X_REAL_WRITE]; | |
2093 | } | |
6eb6875d | 2094 | |
6de9cd9a DN |
2095 | break; |
2096 | ||
2097 | case BT_COMPLEX: | |
7d60be94 | 2098 | arg2 = build_int_cst (NULL_TREE, kind); |
6eb6875d | 2099 | if (last_dt == READ) |
1ec601bf FXC |
2100 | { |
2101 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2102 | function = iocall[IOCALL_X_COMPLEX128]; | |
2103 | else | |
2104 | function = iocall[IOCALL_X_COMPLEX]; | |
2105 | } | |
6eb6875d | 2106 | else |
1ec601bf FXC |
2107 | { |
2108 | if (gfc_real16_is_float128 && ts->kind == 16) | |
2109 | function = iocall[IOCALL_X_COMPLEX128_WRITE]; | |
2110 | else | |
2111 | function = iocall[IOCALL_X_COMPLEX_WRITE]; | |
2112 | } | |
6eb6875d | 2113 | |
6de9cd9a DN |
2114 | break; |
2115 | ||
2116 | case BT_LOGICAL: | |
7d60be94 | 2117 | arg2 = build_int_cst (NULL_TREE, kind); |
6eb6875d TK |
2118 | if (last_dt == READ) |
2119 | function = iocall[IOCALL_X_LOGICAL]; | |
2120 | else | |
2121 | function = iocall[IOCALL_X_LOGICAL_WRITE]; | |
2122 | ||
6de9cd9a DN |
2123 | break; |
2124 | ||
2125 | case BT_CHARACTER: | |
8a221914 JD |
2126 | if (kind == 4) |
2127 | { | |
2128 | if (se->string_length) | |
2129 | arg2 = se->string_length; | |
2130 | else | |
2131 | { | |
db3927fb AH |
2132 | tmp = build_fold_indirect_ref_loc (input_location, |
2133 | addr_expr); | |
8a221914 JD |
2134 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2135 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2136 | arg2 = fold_convert (gfc_charlen_type_node, arg2); | |
2137 | } | |
2138 | arg3 = build_int_cst (NULL_TREE, kind); | |
6eb6875d TK |
2139 | if (last_dt == READ) |
2140 | function = iocall[IOCALL_X_CHARACTER_WIDE]; | |
2141 | else | |
2142 | function = iocall[IOCALL_X_CHARACTER_WIDE_WRITE]; | |
2143 | ||
628c189e | 2144 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2145 | tmp = build_call_expr_loc (input_location, |
2146 | function, 4, tmp, addr_expr, arg2, arg3); | |
8a221914 JD |
2147 | gfc_add_expr_to_block (&se->pre, tmp); |
2148 | gfc_add_block_to_block (&se->pre, &se->post); | |
2149 | return; | |
2150 | } | |
2151 | /* Fall through. */ | |
7b95e2a8 | 2152 | case BT_HOLLERITH: |
d2ccf6aa VL |
2153 | if (se->string_length) |
2154 | arg2 = se->string_length; | |
2155 | else | |
2156 | { | |
db3927fb AH |
2157 | tmp = build_fold_indirect_ref_loc (input_location, |
2158 | addr_expr); | |
d2ccf6aa VL |
2159 | gcc_assert (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE); |
2160 | arg2 = TYPE_MAX_VALUE (TYPE_DOMAIN (TREE_TYPE (tmp))); | |
2161 | } | |
6eb6875d TK |
2162 | if (last_dt == READ) |
2163 | function = iocall[IOCALL_X_CHARACTER]; | |
2164 | else | |
2165 | function = iocall[IOCALL_X_CHARACTER_WRITE]; | |
2166 | ||
6de9cd9a DN |
2167 | break; |
2168 | ||
2169 | case BT_DERIVED: | |
d2ccf6aa | 2170 | /* Recurse into the elements of the derived type. */ |
6de9cd9a | 2171 | expr = gfc_evaluate_now (addr_expr, &se->pre); |
db3927fb AH |
2172 | expr = build_fold_indirect_ref_loc (input_location, |
2173 | expr); | |
6de9cd9a | 2174 | |
bc21d315 | 2175 | for (c = ts->u.derived->components; c; c = c->next) |
6de9cd9a DN |
2176 | { |
2177 | field = c->backend_decl; | |
6e45f57b | 2178 | gcc_assert (field && TREE_CODE (field) == FIELD_DECL); |
6de9cd9a | 2179 | |
db3927fb AH |
2180 | tmp = fold_build3_loc (UNKNOWN_LOCATION, |
2181 | COMPONENT_REF, TREE_TYPE (field), | |
44855d8c | 2182 | expr, field, NULL_TREE); |
6de9cd9a | 2183 | |
d4b7d0f0 | 2184 | if (c->attr.dimension) |
d2ccf6aa | 2185 | { |
bdfd2ff0 | 2186 | tmp = transfer_array_component (tmp, c, & code->loc); |
d2ccf6aa VL |
2187 | gfc_add_expr_to_block (&se->pre, tmp); |
2188 | } | |
2189 | else | |
2190 | { | |
d4b7d0f0 | 2191 | if (!c->attr.pointer) |
628c189e | 2192 | tmp = gfc_build_addr_expr (NULL_TREE, tmp); |
aa5e22f0 | 2193 | transfer_expr (se, &c->ts, tmp, code); |
d2ccf6aa | 2194 | } |
6de9cd9a DN |
2195 | } |
2196 | return; | |
2197 | ||
2198 | default: | |
2199 | internal_error ("Bad IO basetype (%d)", ts->type); | |
2200 | } | |
2201 | ||
628c189e | 2202 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
db3927fb AH |
2203 | tmp = build_call_expr_loc (input_location, |
2204 | function, 3, tmp, addr_expr, arg2); | |
6de9cd9a DN |
2205 | gfc_add_expr_to_block (&se->pre, tmp); |
2206 | gfc_add_block_to_block (&se->pre, &se->post); | |
8750f9cd | 2207 | |
6de9cd9a DN |
2208 | } |
2209 | ||
2210 | ||
18623fae JB |
2211 | /* Generate a call to pass an array descriptor to the IO library. The |
2212 | array should be of one of the intrinsic types. */ | |
2213 | ||
2214 | static void | |
2215 | transfer_array_desc (gfc_se * se, gfc_typespec * ts, tree addr_expr) | |
2216 | { | |
6eb6875d | 2217 | tree tmp, charlen_arg, kind_arg, io_call; |
18623fae JB |
2218 | |
2219 | if (ts->type == BT_CHARACTER) | |
2220 | charlen_arg = se->string_length; | |
2221 | else | |
7fb41a42 | 2222 | charlen_arg = build_int_cst (NULL_TREE, 0); |
18623fae | 2223 | |
e5ef4b3b JB |
2224 | kind_arg = build_int_cst (NULL_TREE, ts->kind); |
2225 | ||
628c189e | 2226 | tmp = gfc_build_addr_expr (NULL_TREE, dt_parm); |
6eb6875d TK |
2227 | if (last_dt == READ) |
2228 | io_call = iocall[IOCALL_X_ARRAY]; | |
2229 | else | |
2230 | io_call = iocall[IOCALL_X_ARRAY_WRITE]; | |
2231 | ||
033e7d21 | 2232 | tmp = build_call_expr_loc (UNKNOWN_LOCATION, |
6eb6875d | 2233 | io_call, 4, |
5039610b | 2234 | tmp, addr_expr, kind_arg, charlen_arg); |
18623fae JB |
2235 | gfc_add_expr_to_block (&se->pre, tmp); |
2236 | gfc_add_block_to_block (&se->pre, &se->post); | |
2237 | } | |
2238 | ||
2239 | ||
6de9cd9a DN |
2240 | /* gfc_trans_transfer()-- Translate a TRANSFER code node */ |
2241 | ||
2242 | tree | |
2243 | gfc_trans_transfer (gfc_code * code) | |
2244 | { | |
2245 | stmtblock_t block, body; | |
2246 | gfc_loopinfo loop; | |
2247 | gfc_expr *expr; | |
99c7ab42 | 2248 | gfc_ref *ref; |
6de9cd9a DN |
2249 | gfc_ss *ss; |
2250 | gfc_se se; | |
2251 | tree tmp; | |
c63173dd | 2252 | int n; |
6de9cd9a DN |
2253 | |
2254 | gfc_start_block (&block); | |
18623fae | 2255 | gfc_init_block (&body); |
6de9cd9a | 2256 | |
a513927a | 2257 | expr = code->expr1; |
6de9cd9a DN |
2258 | ss = gfc_walk_expr (expr); |
2259 | ||
99c7ab42 | 2260 | ref = NULL; |
6de9cd9a DN |
2261 | gfc_init_se (&se, NULL); |
2262 | ||
2263 | if (ss == gfc_ss_terminator) | |
18623fae | 2264 | { |
815d8045 | 2265 | /* Transfer a scalar value. */ |
18623fae | 2266 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2267 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2268 | } |
815d8045 | 2269 | else |
6de9cd9a | 2270 | { |
99c7ab42 PT |
2271 | /* Transfer an array. If it is an array of an intrinsic |
2272 | type, pass the descriptor to the library. Otherwise | |
2273 | scalarize the transfer. */ | |
f64edc8b | 2274 | if (expr->ref && !gfc_is_proc_ptr_comp (expr, NULL)) |
99c7ab42 PT |
2275 | { |
2276 | for (ref = expr->ref; ref && ref->type != REF_ARRAY; | |
2277 | ref = ref->next); | |
2278 | gcc_assert (ref->type == REF_ARRAY); | |
2279 | } | |
2280 | ||
1d6b7f39 PT |
2281 | if (expr->ts.type != BT_DERIVED |
2282 | && ref && ref->next == NULL | |
2283 | && !is_subref_array (expr)) | |
815d8045 | 2284 | { |
c63173dd PT |
2285 | bool seen_vector = false; |
2286 | ||
2287 | if (ref && ref->u.ar.type == AR_SECTION) | |
2288 | { | |
2289 | for (n = 0; n < ref->u.ar.dimen; n++) | |
2290 | if (ref->u.ar.dimen_type[n] == DIMEN_VECTOR) | |
2291 | seen_vector = true; | |
2292 | } | |
2293 | ||
2294 | if (seen_vector && last_dt == READ) | |
2295 | { | |
2296 | /* Create a temp, read to that and copy it back. */ | |
430f2d1f | 2297 | gfc_conv_subref_array_arg (&se, expr, 0, INTENT_OUT, false); |
c63173dd PT |
2298 | tmp = se.expr; |
2299 | } | |
2300 | else | |
2301 | { | |
2302 | /* Get the descriptor. */ | |
2303 | gfc_conv_expr_descriptor (&se, expr, ss); | |
628c189e | 2304 | tmp = gfc_build_addr_expr (NULL_TREE, se.expr); |
c63173dd PT |
2305 | } |
2306 | ||
99c7ab42 PT |
2307 | transfer_array_desc (&se, &expr->ts, tmp); |
2308 | goto finish_block_label; | |
815d8045 JB |
2309 | } |
2310 | ||
6de9cd9a DN |
2311 | /* Initialize the scalarizer. */ |
2312 | gfc_init_loopinfo (&loop); | |
2313 | gfc_add_ss_to_loop (&loop, ss); | |
2314 | ||
2315 | /* Initialize the loop. */ | |
2316 | gfc_conv_ss_startstride (&loop); | |
a513927a | 2317 | gfc_conv_loop_setup (&loop, &code->expr1->where); |
6de9cd9a DN |
2318 | |
2319 | /* The main loop body. */ | |
2320 | gfc_mark_ss_chain_used (ss, 1); | |
2321 | gfc_start_scalarized_body (&loop, &body); | |
2322 | ||
2323 | gfc_copy_loopinfo_to_se (&se, &loop); | |
2324 | se.ss = ss; | |
6de9cd9a | 2325 | |
18623fae | 2326 | gfc_conv_expr_reference (&se, expr); |
aa5e22f0 | 2327 | transfer_expr (&se, &expr->ts, se.expr, code); |
18623fae | 2328 | } |
815d8045 JB |
2329 | |
2330 | finish_block_label: | |
6de9cd9a DN |
2331 | |
2332 | gfc_add_block_to_block (&body, &se.pre); | |
2333 | gfc_add_block_to_block (&body, &se.post); | |
2334 | ||
2335 | if (se.ss == NULL) | |
2336 | tmp = gfc_finish_block (&body); | |
2337 | else | |
2338 | { | |
6e45f57b | 2339 | gcc_assert (se.ss == gfc_ss_terminator); |
6de9cd9a DN |
2340 | gfc_trans_scalarizing_loops (&loop, &body); |
2341 | ||
2342 | gfc_add_block_to_block (&loop.pre, &loop.post); | |
2343 | tmp = gfc_finish_block (&loop.pre); | |
2344 | gfc_cleanup_loop (&loop); | |
2345 | } | |
2346 | ||
2347 | gfc_add_expr_to_block (&block, tmp); | |
2348 | ||
d2ccf6aa | 2349 | return gfc_finish_block (&block); |
6de9cd9a DN |
2350 | } |
2351 | ||
2352 | #include "gt-fortran-trans-io.h" |