Commit | Line | Data |
---|---|---|
14f9c5c9 | 1 | /* Support for printing Ada types for GDB, the GNU debugger. |
6aba47ca | 2 | Copyright (C) 1986, 1988, 1989, 1991, 1997, 1998, 1999, 2000, 2001, 2002, |
9b254dd1 | 3 | 2003, 2004, 2007, 2008 Free Software Foundation, Inc. |
14f9c5c9 | 4 | |
a9762ec7 | 5 | This file is part of GDB. |
14f9c5c9 | 6 | |
a9762ec7 JB |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
14f9c5c9 | 11 | |
a9762ec7 JB |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
14f9c5c9 | 16 | |
a9762ec7 JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
14f9c5c9 AS |
19 | |
20 | #include "defs.h" | |
04ea0df1 | 21 | #include "gdb_obstack.h" |
14f9c5c9 AS |
22 | #include "bfd.h" /* Binary File Description */ |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "expression.h" | |
26 | #include "value.h" | |
27 | #include "gdbcore.h" | |
28 | #include "target.h" | |
29 | #include "command.h" | |
30 | #include "gdbcmd.h" | |
31 | #include "language.h" | |
32 | #include "demangle.h" | |
33 | #include "c-lang.h" | |
34 | #include "typeprint.h" | |
35 | #include "ada-lang.h" | |
36 | ||
37 | #include <ctype.h> | |
0c30c098 | 38 | #include "gdb_string.h" |
14f9c5c9 AS |
39 | #include <errno.h> |
40 | ||
d2e4a39e | 41 | static int print_record_field_types (struct type *, struct type *, |
14f9c5c9 AS |
42 | struct ui_file *, int, int); |
43 | ||
d2e4a39e | 44 | static void print_array_type (struct type *, struct ui_file *, int, int); |
14f9c5c9 | 45 | |
d2e4a39e AS |
46 | static void print_choices (struct type *, int, struct ui_file *, |
47 | struct type *); | |
14f9c5c9 | 48 | |
d2e4a39e | 49 | static void print_range (struct type *, struct ui_file *); |
14f9c5c9 | 50 | |
d2e4a39e AS |
51 | static void print_range_bound (struct type *, char *, int *, |
52 | struct ui_file *); | |
14f9c5c9 | 53 | |
d2e4a39e AS |
54 | static void |
55 | print_dynamic_range_bound (struct type *, const char *, int, | |
56 | const char *, struct ui_file *); | |
14f9c5c9 | 57 | |
d2e4a39e | 58 | static void print_range_type_named (char *, struct ui_file *); |
14f9c5c9 AS |
59 | \f |
60 | ||
d2e4a39e AS |
61 | |
62 | static char *name_buffer; | |
14f9c5c9 AS |
63 | static int name_buffer_len; |
64 | ||
4c4b4cd2 PH |
65 | /* The (decoded) Ada name of TYPE. This value persists until the |
66 | next call. */ | |
14f9c5c9 | 67 | |
d2e4a39e | 68 | static char * |
4c4b4cd2 | 69 | decoded_type_name (struct type *type) |
14f9c5c9 AS |
70 | { |
71 | if (ada_type_name (type) == NULL) | |
72 | return NULL; | |
d2e4a39e | 73 | else |
14f9c5c9 | 74 | { |
d2e4a39e AS |
75 | char *raw_name = ada_type_name (type); |
76 | char *s, *q; | |
14f9c5c9 AS |
77 | |
78 | if (name_buffer == NULL || name_buffer_len <= strlen (raw_name)) | |
79 | { | |
80 | name_buffer_len = 16 + 2 * strlen (raw_name); | |
81 | name_buffer = xrealloc (name_buffer, name_buffer_len); | |
82 | } | |
83 | strcpy (name_buffer, raw_name); | |
84 | ||
d2e4a39e | 85 | s = (char *) strstr (name_buffer, "___"); |
14f9c5c9 AS |
86 | if (s != NULL) |
87 | *s = '\0'; | |
88 | ||
89 | s = name_buffer + strlen (name_buffer) - 1; | |
90 | while (s > name_buffer && (s[0] != '_' || s[-1] != '_')) | |
91 | s -= 1; | |
92 | ||
93 | if (s == name_buffer) | |
94 | return name_buffer; | |
95 | ||
d2e4a39e | 96 | if (!islower (s[1])) |
14f9c5c9 AS |
97 | return NULL; |
98 | ||
99 | for (s = q = name_buffer; *s != '\0'; q += 1) | |
100 | { | |
101 | if (s[0] == '_' && s[1] == '_') | |
102 | { | |
d2e4a39e AS |
103 | *q = '.'; |
104 | s += 2; | |
14f9c5c9 AS |
105 | } |
106 | else | |
107 | { | |
d2e4a39e AS |
108 | *q = *s; |
109 | s += 1; | |
14f9c5c9 AS |
110 | } |
111 | } | |
112 | *q = '\0'; | |
113 | return name_buffer; | |
114 | } | |
115 | } | |
116 | ||
117 | ||
4c4b4cd2 | 118 | /* Print a description of a type in the format of a |
14f9c5c9 | 119 | typedef for the current language. |
4c4b4cd2 | 120 | NEW is the new name for a type TYPE. */ |
14f9c5c9 AS |
121 | |
122 | void | |
d2e4a39e AS |
123 | ada_typedef_print (struct type *type, struct symbol *new, |
124 | struct ui_file *stream) | |
14f9c5c9 | 125 | { |
323e0a4a | 126 | /* XXX: type_sprint */ |
0b48a291 | 127 | fprintf_filtered (stream, "type %.*s is ", |
de5ad195 DC |
128 | ada_name_prefix_len (SYMBOL_PRINT_NAME (new)), |
129 | SYMBOL_PRINT_NAME (new)); | |
14f9c5c9 AS |
130 | type_print (type, "", stream, 1); |
131 | } | |
132 | ||
4c4b4cd2 | 133 | /* Print range type TYPE on STREAM. */ |
14f9c5c9 AS |
134 | |
135 | static void | |
d2e4a39e | 136 | print_range (struct type *type, struct ui_file *stream) |
14f9c5c9 | 137 | { |
d2e4a39e | 138 | struct type *target_type; |
14f9c5c9 AS |
139 | target_type = TYPE_TARGET_TYPE (type); |
140 | if (target_type == NULL) | |
141 | target_type = type; | |
142 | ||
d2e4a39e | 143 | switch (TYPE_CODE (target_type)) |
14f9c5c9 AS |
144 | { |
145 | case TYPE_CODE_RANGE: | |
146 | case TYPE_CODE_INT: | |
147 | case TYPE_CODE_BOOL: | |
148 | case TYPE_CODE_CHAR: | |
149 | case TYPE_CODE_ENUM: | |
150 | break; | |
151 | default: | |
72d5681a | 152 | target_type = builtin_type_int; |
14f9c5c9 AS |
153 | break; |
154 | } | |
155 | ||
156 | if (TYPE_NFIELDS (type) < 2) | |
157 | { | |
4c4b4cd2 | 158 | /* A range needs at least 2 bounds to be printed. If there are less |
14f9c5c9 | 159 | than 2, just print the type name instead of the range itself. |
4c4b4cd2 | 160 | This check handles cases such as characters, for example. |
14f9c5c9 | 161 | |
529cad9c | 162 | If the name is not defined, then we don't print anything. |
14f9c5c9 AS |
163 | */ |
164 | fprintf_filtered (stream, "%.*s", | |
d2e4a39e AS |
165 | ada_name_prefix_len (TYPE_NAME (type)), |
166 | TYPE_NAME (type)); | |
14f9c5c9 AS |
167 | } |
168 | else | |
169 | { | |
170 | /* We extract the range type bounds respectively from the first element | |
171 | and the last element of the type->fields array */ | |
172 | const LONGEST lower_bound = (LONGEST) TYPE_LOW_BOUND (type); | |
173 | const LONGEST upper_bound = | |
d2e4a39e | 174 | (LONGEST) TYPE_FIELD_BITPOS (type, TYPE_NFIELDS (type) - 1); |
14f9c5c9 AS |
175 | |
176 | ada_print_scalar (target_type, lower_bound, stream); | |
177 | fprintf_filtered (stream, " .. "); | |
178 | ada_print_scalar (target_type, upper_bound, stream); | |
179 | } | |
180 | } | |
181 | ||
182 | /* Print the number or discriminant bound at BOUNDS+*N on STREAM, and | |
4c4b4cd2 | 183 | set *N past the bound and its delimiter, if any. */ |
14f9c5c9 AS |
184 | |
185 | static void | |
d2e4a39e AS |
186 | print_range_bound (struct type *type, char *bounds, int *n, |
187 | struct ui_file *stream) | |
14f9c5c9 AS |
188 | { |
189 | LONGEST B; | |
190 | if (ada_scan_number (bounds, *n, &B, n)) | |
191 | { | |
4c4b4cd2 PH |
192 | /* STABS decodes all range types which bounds are 0 .. -1 as |
193 | unsigned integers (ie. the type code is TYPE_CODE_INT, not | |
194 | TYPE_CODE_RANGE). Unfortunately, ada_print_scalar() relies | |
195 | on the unsigned flag to determine whether the bound should | |
196 | be printed as a signed or an unsigned value. This causes | |
197 | the upper bound of the 0 .. -1 range types to be printed as | |
198 | a very large unsigned number instead of -1. | |
199 | To workaround this stabs deficiency, we replace the TYPE by | |
200 | builtin_type_long when we detect that the bound is negative, | |
201 | and the type is a TYPE_CODE_INT. The bound is negative when | |
202 | 'm' is the last character of the number scanned in BOUNDS. */ | |
203 | if (bounds[*n - 1] == 'm' && TYPE_CODE (type) == TYPE_CODE_INT) | |
204 | type = builtin_type_long; | |
14f9c5c9 AS |
205 | ada_print_scalar (type, B, stream); |
206 | if (bounds[*n] == '_') | |
207 | *n += 2; | |
208 | } | |
209 | else | |
210 | { | |
211 | int bound_len; | |
d2e4a39e AS |
212 | char *bound = bounds + *n; |
213 | char *pend; | |
14f9c5c9 AS |
214 | |
215 | pend = strstr (bound, "__"); | |
216 | if (pend == NULL) | |
217 | *n += bound_len = strlen (bound); | |
d2e4a39e | 218 | else |
14f9c5c9 AS |
219 | { |
220 | bound_len = pend - bound; | |
221 | *n += bound_len + 2; | |
222 | } | |
223 | fprintf_filtered (stream, "%.*s", bound_len, bound); | |
224 | } | |
225 | } | |
226 | ||
227 | /* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print | |
228 | the value (if found) of the bound indicated by SUFFIX ("___L" or | |
4c4b4cd2 | 229 | "___U") according to the ___XD conventions. */ |
14f9c5c9 AS |
230 | |
231 | static void | |
d2e4a39e AS |
232 | print_dynamic_range_bound (struct type *type, const char *name, int name_len, |
233 | const char *suffix, struct ui_file *stream) | |
14f9c5c9 AS |
234 | { |
235 | static char *name_buf = NULL; | |
236 | static size_t name_buf_len = 0; | |
237 | LONGEST B; | |
238 | int OK; | |
239 | ||
240 | GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1); | |
241 | strncpy (name_buf, name, name_len); | |
242 | strcpy (name_buf + name_len, suffix); | |
243 | ||
4c4b4cd2 | 244 | B = get_int_var_value (name_buf, &OK); |
14f9c5c9 AS |
245 | if (OK) |
246 | ada_print_scalar (type, B, stream); | |
247 | else | |
248 | fprintf_filtered (stream, "?"); | |
249 | } | |
250 | ||
4c4b4cd2 | 251 | /* Print the range type named NAME. */ |
14f9c5c9 AS |
252 | |
253 | static void | |
d2e4a39e | 254 | print_range_type_named (char *name, struct ui_file *stream) |
14f9c5c9 AS |
255 | { |
256 | struct type *raw_type = ada_find_any_type (name); | |
257 | struct type *base_type; | |
d2e4a39e | 258 | char *subtype_info; |
14f9c5c9 AS |
259 | |
260 | if (raw_type == NULL) | |
261 | base_type = builtin_type_int; | |
262 | else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE) | |
263 | base_type = TYPE_TARGET_TYPE (raw_type); | |
264 | else | |
265 | base_type = raw_type; | |
266 | ||
267 | subtype_info = strstr (name, "___XD"); | |
268 | if (subtype_info == NULL && raw_type == NULL) | |
269 | fprintf_filtered (stream, "? .. ?"); | |
270 | else if (subtype_info == NULL) | |
271 | print_range (raw_type, stream); | |
272 | else | |
273 | { | |
274 | int prefix_len = subtype_info - name; | |
275 | char *bounds_str; | |
276 | int n; | |
277 | ||
278 | subtype_info += 5; | |
279 | bounds_str = strchr (subtype_info, '_'); | |
280 | n = 1; | |
281 | ||
d2e4a39e | 282 | if (*subtype_info == 'L') |
14f9c5c9 | 283 | { |
4c4b4cd2 | 284 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 AS |
285 | subtype_info += 1; |
286 | } | |
287 | else | |
4c4b4cd2 | 288 | print_dynamic_range_bound (base_type, name, prefix_len, "___L", |
d2e4a39e | 289 | stream); |
14f9c5c9 AS |
290 | |
291 | fprintf_filtered (stream, " .. "); | |
292 | ||
d2e4a39e | 293 | if (*subtype_info == 'U') |
4c4b4cd2 | 294 | print_range_bound (base_type, bounds_str, &n, stream); |
14f9c5c9 | 295 | else |
4c4b4cd2 | 296 | print_dynamic_range_bound (base_type, name, prefix_len, "___U", |
d2e4a39e | 297 | stream); |
14f9c5c9 | 298 | } |
d2e4a39e | 299 | } |
14f9c5c9 | 300 | |
4c4b4cd2 | 301 | /* Print enumerated type TYPE on STREAM. */ |
14f9c5c9 AS |
302 | |
303 | static void | |
ebf56fd3 | 304 | print_enum_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
305 | { |
306 | int len = TYPE_NFIELDS (type); | |
307 | int i, lastval; | |
308 | ||
309 | fprintf_filtered (stream, "("); | |
310 | wrap_here (" "); | |
311 | ||
312 | lastval = 0; | |
313 | for (i = 0; i < len; i++) | |
314 | { | |
315 | QUIT; | |
d2e4a39e AS |
316 | if (i) |
317 | fprintf_filtered (stream, ", "); | |
14f9c5c9 AS |
318 | wrap_here (" "); |
319 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
320 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
321 | { | |
322 | fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i)); | |
323 | lastval = TYPE_FIELD_BITPOS (type, i); | |
324 | } | |
325 | lastval += 1; | |
326 | } | |
327 | fprintf_filtered (stream, ")"); | |
328 | } | |
329 | ||
4c4b4cd2 | 330 | /* Print representation of Ada fixed-point type TYPE on STREAM. */ |
14f9c5c9 AS |
331 | |
332 | static void | |
ebf56fd3 | 333 | print_fixed_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
334 | { |
335 | DOUBLEST delta = ada_delta (type); | |
336 | DOUBLEST small = ada_fixed_to_float (type, 1.0); | |
337 | ||
338 | if (delta < 0.0) | |
339 | fprintf_filtered (stream, "delta ??"); | |
340 | else | |
341 | { | |
342 | fprintf_filtered (stream, "delta %g", (double) delta); | |
d2e4a39e | 343 | if (delta != small) |
14f9c5c9 AS |
344 | fprintf_filtered (stream, " <'small = %g>", (double) small); |
345 | } | |
346 | } | |
347 | ||
4c4b4cd2 | 348 | /* Print representation of special VAX floating-point type TYPE on STREAM. */ |
14f9c5c9 AS |
349 | |
350 | static void | |
ebf56fd3 | 351 | print_vax_floating_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
352 | { |
353 | fprintf_filtered (stream, "<float format %c>", | |
354 | ada_vax_float_type_suffix (type)); | |
355 | } | |
356 | ||
4c4b4cd2 PH |
357 | /* Print simple (constrained) array type TYPE on STREAM. LEVEL is the |
358 | recursion (indentation) level, in case the element type itself has | |
14f9c5c9 | 359 | nested structure, and SHOW is the number of levels of internal |
4c4b4cd2 | 360 | structure to show (see ada_print_type). */ |
14f9c5c9 AS |
361 | |
362 | static void | |
d2e4a39e AS |
363 | print_array_type (struct type *type, struct ui_file *stream, int show, |
364 | int level) | |
14f9c5c9 AS |
365 | { |
366 | int bitsize; | |
367 | int n_indices; | |
368 | ||
369 | bitsize = 0; | |
370 | fprintf_filtered (stream, "array ("); | |
371 | ||
372 | n_indices = -1; | |
d2e4a39e | 373 | if (show < 0) |
14f9c5c9 AS |
374 | fprintf_filtered (stream, "..."); |
375 | else | |
376 | { | |
377 | if (ada_is_packed_array_type (type)) | |
378 | type = ada_coerce_to_simple_array_type (type); | |
4c4b4cd2 PH |
379 | if (type == NULL) |
380 | { | |
e1d5a0d2 | 381 | fprintf_filtered (stream, _("<undecipherable array type>")); |
4c4b4cd2 PH |
382 | return; |
383 | } | |
384 | if (ada_is_simple_array_type (type)) | |
14f9c5c9 | 385 | { |
d2e4a39e | 386 | struct type *range_desc_type = |
14f9c5c9 | 387 | ada_find_parallel_type (type, "___XA"); |
d2e4a39e | 388 | struct type *arr_type; |
14f9c5c9 AS |
389 | |
390 | bitsize = 0; | |
391 | if (range_desc_type == NULL) | |
392 | { | |
393 | for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY; | |
394 | arr_type = TYPE_TARGET_TYPE (arr_type)) | |
395 | { | |
396 | if (arr_type != type) | |
397 | fprintf_filtered (stream, ", "); | |
398 | print_range (TYPE_INDEX_TYPE (arr_type), stream); | |
399 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) | |
400 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
401 | } | |
402 | } | |
d2e4a39e | 403 | else |
14f9c5c9 AS |
404 | { |
405 | int k; | |
d2e4a39e AS |
406 | n_indices = TYPE_NFIELDS (range_desc_type); |
407 | for (k = 0, arr_type = type; | |
14f9c5c9 AS |
408 | k < n_indices; |
409 | k += 1, arr_type = TYPE_TARGET_TYPE (arr_type)) | |
410 | { | |
411 | if (k > 0) | |
412 | fprintf_filtered (stream, ", "); | |
d2e4a39e AS |
413 | print_range_type_named (TYPE_FIELD_NAME |
414 | (range_desc_type, k), stream); | |
14f9c5c9 AS |
415 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) |
416 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
d2e4a39e | 417 | } |
14f9c5c9 AS |
418 | } |
419 | } | |
d2e4a39e | 420 | else |
14f9c5c9 AS |
421 | { |
422 | int i, i0; | |
423 | for (i = i0 = ada_array_arity (type); i > 0; i -= 1) | |
424 | fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", "); | |
425 | } | |
426 | } | |
427 | ||
428 | fprintf_filtered (stream, ") of "); | |
429 | wrap_here (""); | |
d2e4a39e AS |
430 | ada_print_type (ada_array_element_type (type, n_indices), "", stream, |
431 | show == 0 ? 0 : show - 1, level + 1); | |
14f9c5c9 AS |
432 | if (bitsize > 0) |
433 | fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize); | |
434 | } | |
435 | ||
436 | /* Print the choices encoded by field FIELD_NUM of variant-part TYPE on | |
4c4b4cd2 | 437 | STREAM, assuming the VAL_TYPE is the type of the values. */ |
14f9c5c9 AS |
438 | |
439 | static void | |
d2e4a39e AS |
440 | print_choices (struct type *type, int field_num, struct ui_file *stream, |
441 | struct type *val_type) | |
14f9c5c9 AS |
442 | { |
443 | int have_output; | |
444 | int p; | |
d2e4a39e | 445 | const char *name = TYPE_FIELD_NAME (type, field_num); |
14f9c5c9 AS |
446 | |
447 | have_output = 0; | |
448 | ||
4c4b4cd2 | 449 | /* Skip over leading 'V': NOTE soon to be obsolete. */ |
14f9c5c9 AS |
450 | if (name[0] == 'V') |
451 | { | |
d2e4a39e | 452 | if (!ada_scan_number (name, 1, NULL, &p)) |
14f9c5c9 AS |
453 | goto Huh; |
454 | } | |
455 | else | |
456 | p = 0; | |
457 | ||
458 | while (1) | |
459 | { | |
d2e4a39e | 460 | switch (name[p]) |
14f9c5c9 AS |
461 | { |
462 | default: | |
463 | return; | |
464 | case 'S': | |
465 | case 'R': | |
466 | case 'O': | |
d2e4a39e | 467 | if (have_output) |
14f9c5c9 AS |
468 | fprintf_filtered (stream, " | "); |
469 | have_output = 1; | |
470 | break; | |
471 | } | |
472 | ||
d2e4a39e | 473 | switch (name[p]) |
14f9c5c9 AS |
474 | { |
475 | case 'S': | |
476 | { | |
477 | LONGEST W; | |
d2e4a39e | 478 | if (!ada_scan_number (name, p + 1, &W, &p)) |
14f9c5c9 AS |
479 | goto Huh; |
480 | ada_print_scalar (val_type, W, stream); | |
481 | break; | |
482 | } | |
483 | case 'R': | |
484 | { | |
485 | LONGEST L, U; | |
d2e4a39e AS |
486 | if (!ada_scan_number (name, p + 1, &L, &p) |
487 | || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p)) | |
14f9c5c9 AS |
488 | goto Huh; |
489 | ada_print_scalar (val_type, L, stream); | |
490 | fprintf_filtered (stream, " .. "); | |
491 | ada_print_scalar (val_type, U, stream); | |
492 | break; | |
493 | } | |
494 | case 'O': | |
495 | fprintf_filtered (stream, "others"); | |
496 | p += 1; | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
501 | Huh: | |
502 | fprintf_filtered (stream, "??"); | |
503 | ||
504 | } | |
505 | ||
4c4b4cd2 PH |
506 | /* Assuming that field FIELD_NUM of TYPE is a VARIANTS field whose |
507 | discriminant is contained in OUTER_TYPE, print its variants on STREAM. | |
14f9c5c9 AS |
508 | LEVEL is the recursion |
509 | (indentation) level, in case any of the fields themselves have | |
510 | nested structure, and SHOW is the number of levels of internal structure | |
4c4b4cd2 | 511 | to show (see ada_print_type). For this purpose, fields nested in a |
14f9c5c9 | 512 | variant part are taken to be at the same level as the fields |
4c4b4cd2 | 513 | immediately outside the variant part. */ |
14f9c5c9 AS |
514 | |
515 | static void | |
ebf56fd3 AS |
516 | print_variant_clauses (struct type *type, int field_num, |
517 | struct type *outer_type, struct ui_file *stream, | |
518 | int show, int level) | |
14f9c5c9 AS |
519 | { |
520 | int i; | |
4c4b4cd2 | 521 | struct type *var_type, *par_type; |
14f9c5c9 AS |
522 | struct type *discr_type; |
523 | ||
524 | var_type = TYPE_FIELD_TYPE (type, field_num); | |
525 | discr_type = ada_variant_discrim_type (var_type, outer_type); | |
526 | ||
527 | if (TYPE_CODE (var_type) == TYPE_CODE_PTR) | |
528 | { | |
529 | var_type = TYPE_TARGET_TYPE (var_type); | |
4c4b4cd2 PH |
530 | if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION) |
531 | return; | |
14f9c5c9 AS |
532 | } |
533 | ||
4c4b4cd2 PH |
534 | par_type = ada_find_parallel_type (var_type, "___XVU"); |
535 | if (par_type != NULL) | |
536 | var_type = par_type; | |
537 | ||
d2e4a39e | 538 | for (i = 0; i < TYPE_NFIELDS (var_type); i += 1) |
14f9c5c9 AS |
539 | { |
540 | fprintf_filtered (stream, "\n%*swhen ", level + 4, ""); | |
541 | print_choices (var_type, i, stream, discr_type); | |
542 | fprintf_filtered (stream, " =>"); | |
d2e4a39e AS |
543 | if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i), |
544 | outer_type, stream, show, level + 4) <= 0) | |
14f9c5c9 AS |
545 | fprintf_filtered (stream, " null;"); |
546 | } | |
547 | } | |
548 | ||
4c4b4cd2 | 549 | /* Assuming that field FIELD_NUM of TYPE is a variant part whose |
14f9c5c9 | 550 | discriminants are contained in OUTER_TYPE, print a description of it |
4c4b4cd2 PH |
551 | on STREAM. LEVEL is the recursion (indentation) level, in case any of |
552 | the fields themselves have nested structure, and SHOW is the number of | |
553 | levels of internal structure to show (see ada_print_type). For this | |
554 | purpose, fields nested in a variant part are taken to be at the same | |
555 | level as the fields immediately outside the variant part. */ | |
14f9c5c9 AS |
556 | |
557 | static void | |
ebf56fd3 AS |
558 | print_variant_part (struct type *type, int field_num, struct type *outer_type, |
559 | struct ui_file *stream, int show, int level) | |
14f9c5c9 AS |
560 | { |
561 | fprintf_filtered (stream, "\n%*scase %s is", level + 4, "", | |
d2e4a39e AS |
562 | ada_variant_discrim_name |
563 | (TYPE_FIELD_TYPE (type, field_num))); | |
564 | print_variant_clauses (type, field_num, outer_type, stream, show, | |
565 | level + 4); | |
14f9c5c9 AS |
566 | fprintf_filtered (stream, "\n%*send case;", level + 4, ""); |
567 | } | |
568 | ||
4c4b4cd2 PH |
569 | /* Print a description on STREAM of the fields in record type TYPE, whose |
570 | discriminants are in OUTER_TYPE. LEVEL is the recursion (indentation) | |
571 | level, in case any of the fields themselves have nested structure, | |
572 | and SHOW is the number of levels of internal structure to show | |
573 | (see ada_print_type). Does not print parent type information of TYPE. | |
574 | Returns 0 if no fields printed, -1 for an incomplete type, else > 0. | |
14f9c5c9 | 575 | Prints each field beginning on a new line, but does not put a new line at |
4c4b4cd2 | 576 | end. */ |
14f9c5c9 AS |
577 | |
578 | static int | |
ebf56fd3 AS |
579 | print_record_field_types (struct type *type, struct type *outer_type, |
580 | struct ui_file *stream, int show, int level) | |
14f9c5c9 AS |
581 | { |
582 | int len, i, flds; | |
583 | ||
584 | flds = 0; | |
585 | len = TYPE_NFIELDS (type); | |
586 | ||
587 | if (len == 0 && (TYPE_FLAGS (type) & TYPE_FLAG_STUB) != 0) | |
588 | return -1; | |
589 | ||
590 | for (i = 0; i < len; i += 1) | |
591 | { | |
592 | QUIT; | |
593 | ||
d2e4a39e | 594 | if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i)) |
14f9c5c9 AS |
595 | ; |
596 | else if (ada_is_wrapper_field (type, i)) | |
597 | flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type, | |
598 | stream, show, level); | |
d2e4a39e | 599 | else if (ada_is_variant_part (type, i)) |
14f9c5c9 AS |
600 | { |
601 | print_variant_part (type, i, outer_type, stream, show, level); | |
602 | flds = 1; | |
603 | } | |
604 | else | |
605 | { | |
606 | flds += 1; | |
607 | fprintf_filtered (stream, "\n%*s", level + 4, ""); | |
608 | ada_print_type (TYPE_FIELD_TYPE (type, i), | |
609 | TYPE_FIELD_NAME (type, i), | |
610 | stream, show - 1, level + 4); | |
611 | fprintf_filtered (stream, ";"); | |
612 | } | |
613 | } | |
614 | ||
615 | return flds; | |
616 | } | |
617 | ||
4c4b4cd2 PH |
618 | /* Print record type TYPE on STREAM. LEVEL is the recursion (indentation) |
619 | level, in case the element type itself has nested structure, and SHOW is | |
620 | the number of levels of internal structure to show (see ada_print_type). */ | |
14f9c5c9 AS |
621 | |
622 | static void | |
d2e4a39e AS |
623 | print_record_type (struct type *type0, struct ui_file *stream, int show, |
624 | int level) | |
14f9c5c9 | 625 | { |
d2e4a39e AS |
626 | struct type *parent_type; |
627 | struct type *type; | |
628 | ||
4c4b4cd2 PH |
629 | type = ada_find_parallel_type (type0, "___XVE"); |
630 | if (type == NULL) | |
631 | type = type0; | |
14f9c5c9 AS |
632 | |
633 | parent_type = ada_parent_type (type); | |
d2e4a39e | 634 | if (ada_type_name (parent_type) != NULL) |
0b48a291 | 635 | fprintf_filtered (stream, "new %s with record", |
4c4b4cd2 PH |
636 | decoded_type_name (parent_type)); |
637 | else if (parent_type == NULL && ada_is_tagged_type (type, 0)) | |
0b48a291 PH |
638 | fprintf_filtered (stream, "tagged record"); |
639 | else | |
640 | fprintf_filtered (stream, "record"); | |
14f9c5c9 AS |
641 | |
642 | if (show < 0) | |
0b48a291 | 643 | fprintf_filtered (stream, " ... end record"); |
14f9c5c9 AS |
644 | else |
645 | { | |
646 | int flds; | |
647 | ||
648 | flds = 0; | |
649 | if (parent_type != NULL && ada_type_name (parent_type) == NULL) | |
d2e4a39e | 650 | flds += print_record_field_types (parent_type, parent_type, |
14f9c5c9 AS |
651 | stream, show, level); |
652 | flds += print_record_field_types (type, type, stream, show, level); | |
d2e4a39e | 653 | |
14f9c5c9 | 654 | if (flds > 0) |
0b48a291 | 655 | fprintf_filtered (stream, "\n%*send record", level, ""); |
d2e4a39e | 656 | else if (flds < 0) |
323e0a4a | 657 | fprintf_filtered (stream, _(" <incomplete type> end record")); |
d2e4a39e | 658 | else |
0b48a291 | 659 | fprintf_filtered (stream, " null; end record"); |
14f9c5c9 AS |
660 | } |
661 | } | |
662 | ||
663 | /* Print the unchecked union type TYPE in something resembling Ada | |
4c4b4cd2 | 664 | format on STREAM. LEVEL is the recursion (indentation) level |
14f9c5c9 | 665 | in case the element type itself has nested structure, and SHOW is the |
4c4b4cd2 | 666 | number of levels of internal structure to show (see ada_print_type). */ |
14f9c5c9 | 667 | static void |
d2e4a39e | 668 | print_unchecked_union_type (struct type *type, struct ui_file *stream, |
14f9c5c9 AS |
669 | int show, int level) |
670 | { | |
14f9c5c9 | 671 | if (show < 0) |
0b48a291 | 672 | fprintf_filtered (stream, "record (?) is ... end record"); |
d2e4a39e | 673 | else if (TYPE_NFIELDS (type) == 0) |
0b48a291 | 674 | fprintf_filtered (stream, "record (?) is null; end record"); |
14f9c5c9 AS |
675 | else |
676 | { | |
677 | int i; | |
678 | ||
0b48a291 | 679 | fprintf_filtered (stream, "record (?) is\n%*scase ? is", level + 4, ""); |
14f9c5c9 | 680 | |
d2e4a39e | 681 | for (i = 0; i < TYPE_NFIELDS (type); i += 1) |
14f9c5c9 | 682 | { |
0b48a291 | 683 | fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "", |
d2e4a39e | 684 | level + 12, ""); |
14f9c5c9 AS |
685 | ada_print_type (TYPE_FIELD_TYPE (type, i), |
686 | TYPE_FIELD_NAME (type, i), | |
687 | stream, show - 1, level + 12); | |
688 | fprintf_filtered (stream, ";"); | |
689 | } | |
690 | ||
0b48a291 | 691 | fprintf_filtered (stream, "\n%*send case;\n%*send record", |
d2e4a39e | 692 | level + 4, "", level, ""); |
14f9c5c9 AS |
693 | } |
694 | } | |
d2e4a39e | 695 | |
14f9c5c9 AS |
696 | |
697 | ||
698 | /* Print function or procedure type TYPE on STREAM. Make it a header | |
4c4b4cd2 | 699 | for function or procedure NAME if NAME is not null. */ |
14f9c5c9 AS |
700 | |
701 | static void | |
d2e4a39e | 702 | print_func_type (struct type *type, struct ui_file *stream, char *name) |
14f9c5c9 AS |
703 | { |
704 | int i, len = TYPE_NFIELDS (type); | |
705 | ||
706 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID) | |
707 | fprintf_filtered (stream, "procedure"); | |
708 | else | |
709 | fprintf_filtered (stream, "function"); | |
710 | ||
d2e4a39e | 711 | if (name != NULL && name[0] != '\0') |
14f9c5c9 AS |
712 | fprintf_filtered (stream, " %s", name); |
713 | ||
d2e4a39e | 714 | if (len > 0) |
14f9c5c9 AS |
715 | { |
716 | fprintf_filtered (stream, " ("); | |
717 | for (i = 0; i < len; i += 1) | |
718 | { | |
719 | if (i > 0) | |
720 | { | |
721 | fputs_filtered ("; ", stream); | |
722 | wrap_here (" "); | |
723 | } | |
d2e4a39e | 724 | fprintf_filtered (stream, "a%d: ", i + 1); |
14f9c5c9 AS |
725 | ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0); |
726 | } | |
727 | fprintf_filtered (stream, ")"); | |
d2e4a39e | 728 | } |
14f9c5c9 AS |
729 | |
730 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
731 | { | |
732 | fprintf_filtered (stream, " return "); | |
733 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0); | |
734 | } | |
735 | } | |
736 | ||
737 | ||
738 | /* Print a description of a type TYPE0. | |
739 | Output goes to STREAM (via stdio). | |
740 | If VARSTRING is a non-empty string, print as an Ada variable/field | |
741 | declaration. | |
4c4b4cd2 | 742 | SHOW+1 is the maximum number of levels of internal type structure |
14f9c5c9 AS |
743 | to show (this applies to record types, enumerated types, and |
744 | array types). | |
745 | SHOW is the number of levels of internal type structure to show | |
4c4b4cd2 | 746 | when there is a type name for the SHOWth deepest level (0th is |
14f9c5c9 AS |
747 | outer level). |
748 | When SHOW<0, no inner structure is shown. | |
4c4b4cd2 | 749 | LEVEL indicates level of recursion (for nested definitions). */ |
14f9c5c9 AS |
750 | |
751 | void | |
d2e4a39e | 752 | ada_print_type (struct type *type0, char *varstring, struct ui_file *stream, |
ebf56fd3 | 753 | int show, int level) |
14f9c5c9 | 754 | { |
61ee279c | 755 | struct type *type = ada_check_typedef (ada_get_base_type (type0)); |
f192137b | 756 | char *type_name = decoded_type_name (type0); |
14f9c5c9 AS |
757 | int is_var_decl = (varstring != NULL && varstring[0] != '\0'); |
758 | ||
759 | if (type == NULL) | |
760 | { | |
761 | if (is_var_decl) | |
762 | fprintf_filtered (stream, "%.*s: ", | |
d2e4a39e | 763 | ada_name_prefix_len (varstring), varstring); |
14f9c5c9 AS |
764 | fprintf_filtered (stream, "<null type?>"); |
765 | return; | |
766 | } | |
767 | ||
768 | if (show > 0) | |
61ee279c | 769 | type = ada_check_typedef (type); |
14f9c5c9 AS |
770 | |
771 | if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC) | |
d2e4a39e AS |
772 | fprintf_filtered (stream, "%.*s: ", |
773 | ada_name_prefix_len (varstring), varstring); | |
14f9c5c9 AS |
774 | |
775 | if (type_name != NULL && show <= 0) | |
776 | { | |
d2e4a39e | 777 | fprintf_filtered (stream, "%.*s", |
14f9c5c9 AS |
778 | ada_name_prefix_len (type_name), type_name); |
779 | return; | |
780 | } | |
781 | ||
782 | if (ada_is_aligner_type (type)) | |
783 | ada_print_type (ada_aligned_type (type), "", stream, show, level); | |
784 | else if (ada_is_packed_array_type (type)) | |
785 | print_array_type (type, stream, show, level); | |
786 | else | |
d2e4a39e AS |
787 | switch (TYPE_CODE (type)) |
788 | { | |
789 | default: | |
790 | fprintf_filtered (stream, "<"); | |
791 | c_print_type (type, "", stream, show, level); | |
792 | fprintf_filtered (stream, ">"); | |
793 | break; | |
794 | case TYPE_CODE_PTR: | |
795 | fprintf_filtered (stream, "access "); | |
796 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level); | |
797 | break; | |
798 | case TYPE_CODE_REF: | |
799 | fprintf_filtered (stream, "<ref> "); | |
800 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level); | |
801 | break; | |
802 | case TYPE_CODE_ARRAY: | |
14f9c5c9 | 803 | print_array_type (type, stream, show, level); |
d2e4a39e AS |
804 | break; |
805 | case TYPE_CODE_INT: | |
806 | if (ada_is_fixed_point_type (type)) | |
807 | print_fixed_point_type (type, stream); | |
808 | else if (ada_is_vax_floating_type (type)) | |
809 | print_vax_floating_point_type (type, stream); | |
810 | else | |
811 | { | |
812 | char *name = ada_type_name (type); | |
813 | if (!ada_is_range_type_name (name)) | |
e1d5a0d2 | 814 | fprintf_filtered (stream, _("<%d-byte integer>"), |
d2e4a39e AS |
815 | TYPE_LENGTH (type)); |
816 | else | |
817 | { | |
818 | fprintf_filtered (stream, "range "); | |
819 | print_range_type_named (name, stream); | |
820 | } | |
821 | } | |
822 | break; | |
823 | case TYPE_CODE_RANGE: | |
824 | if (ada_is_fixed_point_type (type)) | |
825 | print_fixed_point_type (type, stream); | |
826 | else if (ada_is_vax_floating_type (type)) | |
827 | print_vax_floating_point_type (type, stream); | |
828 | else if (ada_is_modular_type (type)) | |
529cad9c PH |
829 | fprintf_filtered (stream, "mod %s", |
830 | int_string (ada_modulus (type), 10, 0, 0, 1)); | |
d2e4a39e AS |
831 | else |
832 | { | |
833 | fprintf_filtered (stream, "range "); | |
834 | print_range (type, stream); | |
835 | } | |
836 | break; | |
837 | case TYPE_CODE_FLT: | |
e1d5a0d2 | 838 | fprintf_filtered (stream, _("<%d-byte float>"), TYPE_LENGTH (type)); |
d2e4a39e AS |
839 | break; |
840 | case TYPE_CODE_ENUM: | |
841 | if (show < 0) | |
842 | fprintf_filtered (stream, "(...)"); | |
843 | else | |
844 | print_enum_type (type, stream); | |
845 | break; | |
846 | case TYPE_CODE_STRUCT: | |
4c4b4cd2 | 847 | if (ada_is_array_descriptor_type (type)) |
d2e4a39e AS |
848 | print_array_type (type, stream, show, level); |
849 | else if (ada_is_bogus_array_descriptor (type)) | |
850 | fprintf_filtered (stream, | |
e1d5a0d2 | 851 | _("array (?) of ? (<mal-formed descriptor>)")); |
d2e4a39e AS |
852 | else |
853 | print_record_type (type, stream, show, level); | |
854 | break; | |
855 | case TYPE_CODE_UNION: | |
856 | print_unchecked_union_type (type, stream, show, level); | |
857 | break; | |
858 | case TYPE_CODE_FUNC: | |
859 | print_func_type (type, stream, varstring); | |
860 | break; | |
861 | } | |
14f9c5c9 | 862 | } |