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Commit | Line | Data |
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14f9c5c9 | 1 | /* Support for printing Ada types for GDB, the GNU debugger. |
de5ad195 DC |
2 | Copyright 1986, 1988, 1989, 1991, 1997, 2003 Free Software |
3 | Foundation, Inc. | |
14f9c5c9 AS |
4 | |
5 | This file is part of GDB. | |
6 | ||
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 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | #include "defs.h" | |
04ea0df1 | 22 | #include "gdb_obstack.h" |
14f9c5c9 AS |
23 | #include "bfd.h" /* Binary File Description */ |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "value.h" | |
28 | #include "gdbcore.h" | |
29 | #include "target.h" | |
30 | #include "command.h" | |
31 | #include "gdbcmd.h" | |
32 | #include "language.h" | |
33 | #include "demangle.h" | |
34 | #include "c-lang.h" | |
35 | #include "typeprint.h" | |
36 | #include "ada-lang.h" | |
37 | ||
38 | #include <ctype.h> | |
0c30c098 | 39 | #include "gdb_string.h" |
14f9c5c9 AS |
40 | #include <errno.h> |
41 | ||
d2e4a39e | 42 | static int print_record_field_types (struct type *, struct type *, |
14f9c5c9 AS |
43 | struct ui_file *, int, int); |
44 | ||
d2e4a39e | 45 | static void print_array_type (struct type *, struct ui_file *, int, int); |
14f9c5c9 | 46 | |
d2e4a39e AS |
47 | static void print_choices (struct type *, int, struct ui_file *, |
48 | struct type *); | |
14f9c5c9 | 49 | |
d2e4a39e | 50 | static void print_range (struct type *, struct ui_file *); |
14f9c5c9 | 51 | |
d2e4a39e AS |
52 | static void print_range_bound (struct type *, char *, int *, |
53 | struct ui_file *); | |
14f9c5c9 | 54 | |
d2e4a39e AS |
55 | static void |
56 | print_dynamic_range_bound (struct type *, const char *, int, | |
57 | const char *, struct ui_file *); | |
14f9c5c9 | 58 | |
d2e4a39e | 59 | static void print_range_type_named (char *, struct ui_file *); |
14f9c5c9 AS |
60 | \f |
61 | ||
d2e4a39e AS |
62 | |
63 | static char *name_buffer; | |
14f9c5c9 AS |
64 | static int name_buffer_len; |
65 | ||
66 | /* The (demangled) Ada name of TYPE. This value persists until the | |
67 | next call. */ | |
68 | ||
d2e4a39e | 69 | static char * |
ebf56fd3 | 70 | demangled_type_name (struct type *type) |
14f9c5c9 AS |
71 | { |
72 | if (ada_type_name (type) == NULL) | |
73 | return NULL; | |
d2e4a39e | 74 | else |
14f9c5c9 | 75 | { |
d2e4a39e AS |
76 | char *raw_name = ada_type_name (type); |
77 | char *s, *q; | |
14f9c5c9 AS |
78 | |
79 | if (name_buffer == NULL || name_buffer_len <= strlen (raw_name)) | |
80 | { | |
81 | name_buffer_len = 16 + 2 * strlen (raw_name); | |
82 | name_buffer = xrealloc (name_buffer, name_buffer_len); | |
83 | } | |
84 | strcpy (name_buffer, raw_name); | |
85 | ||
d2e4a39e | 86 | s = (char *) strstr (name_buffer, "___"); |
14f9c5c9 AS |
87 | if (s != NULL) |
88 | *s = '\0'; | |
89 | ||
90 | s = name_buffer + strlen (name_buffer) - 1; | |
91 | while (s > name_buffer && (s[0] != '_' || s[-1] != '_')) | |
92 | s -= 1; | |
93 | ||
94 | if (s == name_buffer) | |
95 | return name_buffer; | |
96 | ||
d2e4a39e | 97 | if (!islower (s[1])) |
14f9c5c9 AS |
98 | return NULL; |
99 | ||
100 | for (s = q = name_buffer; *s != '\0'; q += 1) | |
101 | { | |
102 | if (s[0] == '_' && s[1] == '_') | |
103 | { | |
d2e4a39e AS |
104 | *q = '.'; |
105 | s += 2; | |
14f9c5c9 AS |
106 | } |
107 | else | |
108 | { | |
d2e4a39e AS |
109 | *q = *s; |
110 | s += 1; | |
14f9c5c9 AS |
111 | } |
112 | } | |
113 | *q = '\0'; | |
114 | return name_buffer; | |
115 | } | |
116 | } | |
117 | ||
118 | ||
119 | /* Print a description of a type in the format of a | |
120 | typedef for the current language. | |
121 | NEW is the new name for a type TYPE. */ | |
122 | ||
123 | void | |
d2e4a39e AS |
124 | ada_typedef_print (struct type *type, struct symbol *new, |
125 | struct ui_file *stream) | |
14f9c5c9 | 126 | { |
d2e4a39e | 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 | ||
133 | /* Print range type TYPE on STREAM. */ | |
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: | |
152 | target_type = builtin_type_ada_int; | |
153 | break; | |
154 | } | |
155 | ||
156 | if (TYPE_NFIELDS (type) < 2) | |
157 | { | |
158 | /* A range needs at least 2 bounds to be printed. If there are less | |
159 | than 2, just print the type name instead of the range itself. | |
160 | This check handles cases such as characters, for example. | |
161 | ||
162 | Note that if the name is not defined, then we don't print anything. | |
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 | |
183 | set *N past the bound and its delimiter, if any. */ | |
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 | { | |
192 | ada_print_scalar (type, B, stream); | |
193 | if (bounds[*n] == '_') | |
194 | *n += 2; | |
195 | } | |
196 | else | |
197 | { | |
198 | int bound_len; | |
d2e4a39e AS |
199 | char *bound = bounds + *n; |
200 | char *pend; | |
14f9c5c9 AS |
201 | |
202 | pend = strstr (bound, "__"); | |
203 | if (pend == NULL) | |
204 | *n += bound_len = strlen (bound); | |
d2e4a39e | 205 | else |
14f9c5c9 AS |
206 | { |
207 | bound_len = pend - bound; | |
208 | *n += bound_len + 2; | |
209 | } | |
210 | fprintf_filtered (stream, "%.*s", bound_len, bound); | |
211 | } | |
212 | } | |
213 | ||
214 | /* Assuming NAME[0 .. NAME_LEN-1] is the name of a range type, print | |
215 | the value (if found) of the bound indicated by SUFFIX ("___L" or | |
216 | "___U") according to the ___XD conventions. */ | |
217 | ||
218 | static void | |
d2e4a39e AS |
219 | print_dynamic_range_bound (struct type *type, const char *name, int name_len, |
220 | const char *suffix, struct ui_file *stream) | |
14f9c5c9 AS |
221 | { |
222 | static char *name_buf = NULL; | |
223 | static size_t name_buf_len = 0; | |
224 | LONGEST B; | |
225 | int OK; | |
226 | ||
227 | GROW_VECT (name_buf, name_buf_len, name_len + strlen (suffix) + 1); | |
228 | strncpy (name_buf, name, name_len); | |
229 | strcpy (name_buf + name_len, suffix); | |
230 | ||
231 | B = get_int_var_value (name_buf, 0, &OK); | |
232 | if (OK) | |
233 | ada_print_scalar (type, B, stream); | |
234 | else | |
235 | fprintf_filtered (stream, "?"); | |
236 | } | |
237 | ||
238 | /* Print the range type named NAME. */ | |
239 | ||
240 | static void | |
d2e4a39e | 241 | print_range_type_named (char *name, struct ui_file *stream) |
14f9c5c9 AS |
242 | { |
243 | struct type *raw_type = ada_find_any_type (name); | |
244 | struct type *base_type; | |
245 | LONGEST low, high; | |
d2e4a39e | 246 | char *subtype_info; |
14f9c5c9 AS |
247 | |
248 | if (raw_type == NULL) | |
249 | base_type = builtin_type_int; | |
250 | else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE) | |
251 | base_type = TYPE_TARGET_TYPE (raw_type); | |
252 | else | |
253 | base_type = raw_type; | |
254 | ||
255 | subtype_info = strstr (name, "___XD"); | |
256 | if (subtype_info == NULL && raw_type == NULL) | |
257 | fprintf_filtered (stream, "? .. ?"); | |
258 | else if (subtype_info == NULL) | |
259 | print_range (raw_type, stream); | |
260 | else | |
261 | { | |
262 | int prefix_len = subtype_info - name; | |
263 | char *bounds_str; | |
264 | int n; | |
265 | ||
266 | subtype_info += 5; | |
267 | bounds_str = strchr (subtype_info, '_'); | |
268 | n = 1; | |
269 | ||
d2e4a39e | 270 | if (*subtype_info == 'L') |
14f9c5c9 AS |
271 | { |
272 | print_range_bound (raw_type, bounds_str, &n, stream); | |
273 | subtype_info += 1; | |
274 | } | |
275 | else | |
d2e4a39e AS |
276 | print_dynamic_range_bound (raw_type, name, prefix_len, "___L", |
277 | stream); | |
14f9c5c9 AS |
278 | |
279 | fprintf_filtered (stream, " .. "); | |
280 | ||
d2e4a39e | 281 | if (*subtype_info == 'U') |
14f9c5c9 AS |
282 | print_range_bound (raw_type, bounds_str, &n, stream); |
283 | else | |
d2e4a39e AS |
284 | print_dynamic_range_bound (raw_type, name, prefix_len, "___U", |
285 | stream); | |
14f9c5c9 | 286 | } |
d2e4a39e | 287 | } |
14f9c5c9 AS |
288 | |
289 | /* Print enumerated type TYPE on STREAM. */ | |
290 | ||
291 | static void | |
ebf56fd3 | 292 | print_enum_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
293 | { |
294 | int len = TYPE_NFIELDS (type); | |
295 | int i, lastval; | |
296 | ||
297 | fprintf_filtered (stream, "("); | |
298 | wrap_here (" "); | |
299 | ||
300 | lastval = 0; | |
301 | for (i = 0; i < len; i++) | |
302 | { | |
303 | QUIT; | |
d2e4a39e AS |
304 | if (i) |
305 | fprintf_filtered (stream, ", "); | |
14f9c5c9 AS |
306 | wrap_here (" "); |
307 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
308 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
309 | { | |
310 | fprintf_filtered (stream, " => %d", TYPE_FIELD_BITPOS (type, i)); | |
311 | lastval = TYPE_FIELD_BITPOS (type, i); | |
312 | } | |
313 | lastval += 1; | |
314 | } | |
315 | fprintf_filtered (stream, ")"); | |
316 | } | |
317 | ||
318 | /* Print representation of Ada fixed-point type TYPE on STREAM. */ | |
319 | ||
320 | static void | |
ebf56fd3 | 321 | print_fixed_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
322 | { |
323 | DOUBLEST delta = ada_delta (type); | |
324 | DOUBLEST small = ada_fixed_to_float (type, 1.0); | |
325 | ||
326 | if (delta < 0.0) | |
327 | fprintf_filtered (stream, "delta ??"); | |
328 | else | |
329 | { | |
330 | fprintf_filtered (stream, "delta %g", (double) delta); | |
d2e4a39e | 331 | if (delta != small) |
14f9c5c9 AS |
332 | fprintf_filtered (stream, " <'small = %g>", (double) small); |
333 | } | |
334 | } | |
335 | ||
336 | /* Print representation of special VAX floating-point type TYPE on STREAM. */ | |
337 | ||
338 | static void | |
ebf56fd3 | 339 | print_vax_floating_point_type (struct type *type, struct ui_file *stream) |
14f9c5c9 AS |
340 | { |
341 | fprintf_filtered (stream, "<float format %c>", | |
342 | ada_vax_float_type_suffix (type)); | |
343 | } | |
344 | ||
345 | /* Print simple (constrained) array type TYPE on STREAM. LEVEL is the | |
346 | recursion (indentation) level, in case the element type itself has | |
347 | nested structure, and SHOW is the number of levels of internal | |
348 | structure to show (see ada_print_type). */ | |
349 | ||
350 | static void | |
d2e4a39e AS |
351 | print_array_type (struct type *type, struct ui_file *stream, int show, |
352 | int level) | |
14f9c5c9 AS |
353 | { |
354 | int bitsize; | |
355 | int n_indices; | |
356 | ||
357 | bitsize = 0; | |
358 | fprintf_filtered (stream, "array ("); | |
359 | ||
360 | n_indices = -1; | |
d2e4a39e | 361 | if (show < 0) |
14f9c5c9 AS |
362 | fprintf_filtered (stream, "..."); |
363 | else | |
364 | { | |
365 | if (ada_is_packed_array_type (type)) | |
366 | type = ada_coerce_to_simple_array_type (type); | |
d2e4a39e | 367 | if (ada_is_simple_array (type)) |
14f9c5c9 | 368 | { |
d2e4a39e | 369 | struct type *range_desc_type = |
14f9c5c9 | 370 | ada_find_parallel_type (type, "___XA"); |
d2e4a39e | 371 | struct type *arr_type; |
14f9c5c9 AS |
372 | |
373 | bitsize = 0; | |
374 | if (range_desc_type == NULL) | |
375 | { | |
376 | for (arr_type = type; TYPE_CODE (arr_type) == TYPE_CODE_ARRAY; | |
377 | arr_type = TYPE_TARGET_TYPE (arr_type)) | |
378 | { | |
379 | if (arr_type != type) | |
380 | fprintf_filtered (stream, ", "); | |
381 | print_range (TYPE_INDEX_TYPE (arr_type), stream); | |
382 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) | |
383 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
384 | } | |
385 | } | |
d2e4a39e | 386 | else |
14f9c5c9 AS |
387 | { |
388 | int k; | |
d2e4a39e AS |
389 | n_indices = TYPE_NFIELDS (range_desc_type); |
390 | for (k = 0, arr_type = type; | |
14f9c5c9 AS |
391 | k < n_indices; |
392 | k += 1, arr_type = TYPE_TARGET_TYPE (arr_type)) | |
393 | { | |
394 | if (k > 0) | |
395 | fprintf_filtered (stream, ", "); | |
d2e4a39e AS |
396 | print_range_type_named (TYPE_FIELD_NAME |
397 | (range_desc_type, k), stream); | |
14f9c5c9 AS |
398 | if (TYPE_FIELD_BITSIZE (arr_type, 0) > 0) |
399 | bitsize = TYPE_FIELD_BITSIZE (arr_type, 0); | |
d2e4a39e | 400 | } |
14f9c5c9 AS |
401 | } |
402 | } | |
d2e4a39e | 403 | else |
14f9c5c9 AS |
404 | { |
405 | int i, i0; | |
406 | for (i = i0 = ada_array_arity (type); i > 0; i -= 1) | |
407 | fprintf_filtered (stream, "%s<>", i == i0 ? "" : ", "); | |
408 | } | |
409 | } | |
410 | ||
411 | fprintf_filtered (stream, ") of "); | |
412 | wrap_here (""); | |
d2e4a39e AS |
413 | ada_print_type (ada_array_element_type (type, n_indices), "", stream, |
414 | show == 0 ? 0 : show - 1, level + 1); | |
14f9c5c9 AS |
415 | if (bitsize > 0) |
416 | fprintf_filtered (stream, " <packed: %d-bit elements>", bitsize); | |
417 | } | |
418 | ||
419 | /* Print the choices encoded by field FIELD_NUM of variant-part TYPE on | |
420 | STREAM, assuming the VAL_TYPE is the type of the values. */ | |
421 | ||
422 | static void | |
d2e4a39e AS |
423 | print_choices (struct type *type, int field_num, struct ui_file *stream, |
424 | struct type *val_type) | |
14f9c5c9 AS |
425 | { |
426 | int have_output; | |
427 | int p; | |
d2e4a39e | 428 | const char *name = TYPE_FIELD_NAME (type, field_num); |
14f9c5c9 AS |
429 | |
430 | have_output = 0; | |
431 | ||
432 | /* Skip over leading 'V': NOTE soon to be obsolete. */ | |
433 | if (name[0] == 'V') | |
434 | { | |
d2e4a39e | 435 | if (!ada_scan_number (name, 1, NULL, &p)) |
14f9c5c9 AS |
436 | goto Huh; |
437 | } | |
438 | else | |
439 | p = 0; | |
440 | ||
441 | while (1) | |
442 | { | |
d2e4a39e | 443 | switch (name[p]) |
14f9c5c9 AS |
444 | { |
445 | default: | |
446 | return; | |
447 | case 'S': | |
448 | case 'R': | |
449 | case 'O': | |
d2e4a39e | 450 | if (have_output) |
14f9c5c9 AS |
451 | fprintf_filtered (stream, " | "); |
452 | have_output = 1; | |
453 | break; | |
454 | } | |
455 | ||
d2e4a39e | 456 | switch (name[p]) |
14f9c5c9 AS |
457 | { |
458 | case 'S': | |
459 | { | |
460 | LONGEST W; | |
d2e4a39e | 461 | if (!ada_scan_number (name, p + 1, &W, &p)) |
14f9c5c9 AS |
462 | goto Huh; |
463 | ada_print_scalar (val_type, W, stream); | |
464 | break; | |
465 | } | |
466 | case 'R': | |
467 | { | |
468 | LONGEST L, U; | |
d2e4a39e AS |
469 | if (!ada_scan_number (name, p + 1, &L, &p) |
470 | || name[p] != 'T' || !ada_scan_number (name, p + 1, &U, &p)) | |
14f9c5c9 AS |
471 | goto Huh; |
472 | ada_print_scalar (val_type, L, stream); | |
473 | fprintf_filtered (stream, " .. "); | |
474 | ada_print_scalar (val_type, U, stream); | |
475 | break; | |
476 | } | |
477 | case 'O': | |
478 | fprintf_filtered (stream, "others"); | |
479 | p += 1; | |
480 | break; | |
481 | } | |
482 | } | |
483 | ||
484 | Huh: | |
485 | fprintf_filtered (stream, "??"); | |
486 | ||
487 | } | |
488 | ||
489 | /* Assuming that field FIELD_NUM of TYPE is a VARIANTS field whose | |
490 | discriminant is contained in OUTER_TYPE, print its variants on STREAM. | |
491 | LEVEL is the recursion | |
492 | (indentation) level, in case any of the fields themselves have | |
493 | nested structure, and SHOW is the number of levels of internal structure | |
494 | to show (see ada_print_type). For this purpose, fields nested in a | |
495 | variant part are taken to be at the same level as the fields | |
496 | immediately outside the variant part. */ | |
497 | ||
498 | static void | |
ebf56fd3 AS |
499 | print_variant_clauses (struct type *type, int field_num, |
500 | struct type *outer_type, struct ui_file *stream, | |
501 | int show, int level) | |
14f9c5c9 AS |
502 | { |
503 | int i; | |
504 | struct type *var_type; | |
505 | struct type *discr_type; | |
506 | ||
507 | var_type = TYPE_FIELD_TYPE (type, field_num); | |
508 | discr_type = ada_variant_discrim_type (var_type, outer_type); | |
509 | ||
510 | if (TYPE_CODE (var_type) == TYPE_CODE_PTR) | |
511 | { | |
512 | var_type = TYPE_TARGET_TYPE (var_type); | |
d2e4a39e | 513 | if (TYPE_FLAGS (var_type) & TYPE_FLAG_STUB) |
14f9c5c9 AS |
514 | { |
515 | var_type = ada_find_parallel_type (var_type, "___XVU"); | |
516 | if (var_type == NULL) | |
517 | return; | |
518 | } | |
519 | } | |
520 | ||
d2e4a39e | 521 | for (i = 0; i < TYPE_NFIELDS (var_type); i += 1) |
14f9c5c9 AS |
522 | { |
523 | fprintf_filtered (stream, "\n%*swhen ", level + 4, ""); | |
524 | print_choices (var_type, i, stream, discr_type); | |
525 | fprintf_filtered (stream, " =>"); | |
d2e4a39e AS |
526 | if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i), |
527 | outer_type, stream, show, level + 4) <= 0) | |
14f9c5c9 AS |
528 | fprintf_filtered (stream, " null;"); |
529 | } | |
530 | } | |
531 | ||
532 | /* Assuming that field FIELD_NUM of TYPE is a variant part whose | |
533 | discriminants are contained in OUTER_TYPE, print a description of it | |
534 | on STREAM. LEVEL is the recursion (indentation) level, in case any of | |
535 | the fields themselves have nested structure, and SHOW is the number of | |
536 | levels of internal structure to show (see ada_print_type). For this | |
537 | purpose, fields nested in a variant part are taken to be at the same | |
538 | level as the fields immediately outside the variant part. */ | |
539 | ||
540 | static void | |
ebf56fd3 AS |
541 | print_variant_part (struct type *type, int field_num, struct type *outer_type, |
542 | struct ui_file *stream, int show, int level) | |
14f9c5c9 AS |
543 | { |
544 | fprintf_filtered (stream, "\n%*scase %s is", level + 4, "", | |
d2e4a39e AS |
545 | ada_variant_discrim_name |
546 | (TYPE_FIELD_TYPE (type, field_num))); | |
547 | print_variant_clauses (type, field_num, outer_type, stream, show, | |
548 | level + 4); | |
14f9c5c9 AS |
549 | fprintf_filtered (stream, "\n%*send case;", level + 4, ""); |
550 | } | |
551 | ||
552 | /* Print a description on STREAM of the fields in record type TYPE, whose | |
553 | discriminants are in OUTER_TYPE. LEVEL is the recursion (indentation) | |
554 | level, in case any of the fields themselves have nested structure, | |
555 | and SHOW is the number of levels of internal structure to show | |
556 | (see ada_print_type). Does not print parent type information of TYPE. | |
557 | Returns 0 if no fields printed, -1 for an incomplete type, else > 0. | |
558 | Prints each field beginning on a new line, but does not put a new line at | |
559 | end. */ | |
560 | ||
561 | static int | |
ebf56fd3 AS |
562 | print_record_field_types (struct type *type, struct type *outer_type, |
563 | struct ui_file *stream, int show, int level) | |
14f9c5c9 AS |
564 | { |
565 | int len, i, flds; | |
566 | ||
567 | flds = 0; | |
568 | len = TYPE_NFIELDS (type); | |
569 | ||
570 | if (len == 0 && (TYPE_FLAGS (type) & TYPE_FLAG_STUB) != 0) | |
571 | return -1; | |
572 | ||
573 | for (i = 0; i < len; i += 1) | |
574 | { | |
575 | QUIT; | |
576 | ||
d2e4a39e | 577 | if (ada_is_parent_field (type, i) || ada_is_ignored_field (type, i)) |
14f9c5c9 AS |
578 | ; |
579 | else if (ada_is_wrapper_field (type, i)) | |
580 | flds += print_record_field_types (TYPE_FIELD_TYPE (type, i), type, | |
581 | stream, show, level); | |
d2e4a39e | 582 | else if (ada_is_variant_part (type, i)) |
14f9c5c9 AS |
583 | { |
584 | print_variant_part (type, i, outer_type, stream, show, level); | |
585 | flds = 1; | |
586 | } | |
587 | else | |
588 | { | |
589 | flds += 1; | |
590 | fprintf_filtered (stream, "\n%*s", level + 4, ""); | |
591 | ada_print_type (TYPE_FIELD_TYPE (type, i), | |
592 | TYPE_FIELD_NAME (type, i), | |
593 | stream, show - 1, level + 4); | |
594 | fprintf_filtered (stream, ";"); | |
595 | } | |
596 | } | |
597 | ||
598 | return flds; | |
599 | } | |
600 | ||
601 | /* Print record type TYPE on STREAM. LEVEL is the recursion (indentation) | |
602 | level, in case the element type itself has nested structure, and SHOW is | |
603 | the number of levels of internal structure to show (see ada_print_type). */ | |
604 | ||
605 | static void | |
d2e4a39e AS |
606 | print_record_type (struct type *type0, struct ui_file *stream, int show, |
607 | int level) | |
14f9c5c9 | 608 | { |
d2e4a39e AS |
609 | struct type *parent_type; |
610 | struct type *type; | |
611 | ||
14f9c5c9 AS |
612 | type = type0; |
613 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
614 | { | |
d2e4a39e | 615 | struct type *type1 = ada_find_parallel_type (type, "___XVE"); |
14f9c5c9 AS |
616 | if (type1 != NULL) |
617 | type = type1; | |
618 | } | |
619 | ||
620 | parent_type = ada_parent_type (type); | |
d2e4a39e AS |
621 | if (ada_type_name (parent_type) != NULL) |
622 | fprintf_filtered (stream, "new %s with ", | |
14f9c5c9 AS |
623 | demangled_type_name (parent_type)); |
624 | else if (parent_type == NULL && ada_is_tagged_type (type)) | |
625 | fprintf_filtered (stream, "tagged "); | |
626 | ||
627 | fprintf_filtered (stream, "record"); | |
628 | ||
629 | if (show < 0) | |
630 | fprintf_filtered (stream, " ... end record"); | |
631 | else | |
632 | { | |
633 | int flds; | |
634 | ||
635 | flds = 0; | |
636 | if (parent_type != NULL && ada_type_name (parent_type) == NULL) | |
d2e4a39e | 637 | flds += print_record_field_types (parent_type, parent_type, |
14f9c5c9 AS |
638 | stream, show, level); |
639 | flds += print_record_field_types (type, type, stream, show, level); | |
d2e4a39e | 640 | |
14f9c5c9 AS |
641 | if (flds > 0) |
642 | fprintf_filtered (stream, "\n%*send record", level, ""); | |
d2e4a39e | 643 | else if (flds < 0) |
14f9c5c9 | 644 | fprintf_filtered (stream, " <incomplete type> end record"); |
d2e4a39e | 645 | else |
14f9c5c9 AS |
646 | fprintf_filtered (stream, " null; end record"); |
647 | } | |
648 | } | |
649 | ||
650 | /* Print the unchecked union type TYPE in something resembling Ada | |
651 | format on STREAM. LEVEL is the recursion (indentation) level | |
652 | in case the element type itself has nested structure, and SHOW is the | |
653 | number of levels of internal structure to show (see ada_print_type). */ | |
654 | static void | |
d2e4a39e | 655 | print_unchecked_union_type (struct type *type, struct ui_file *stream, |
14f9c5c9 AS |
656 | int show, int level) |
657 | { | |
658 | fprintf_filtered (stream, "record (?) is"); | |
659 | ||
660 | if (show < 0) | |
661 | fprintf_filtered (stream, " ... end record"); | |
d2e4a39e | 662 | else if (TYPE_NFIELDS (type) == 0) |
14f9c5c9 AS |
663 | fprintf_filtered (stream, " null; end record"); |
664 | else | |
665 | { | |
666 | int i; | |
667 | ||
d2e4a39e | 668 | fprintf_filtered (stream, "\n%*scase ? is", level + 4, ""); |
14f9c5c9 | 669 | |
d2e4a39e | 670 | for (i = 0; i < TYPE_NFIELDS (type); i += 1) |
14f9c5c9 | 671 | { |
d2e4a39e AS |
672 | fprintf_filtered (stream, "\n%*swhen ? =>\n%*s", level + 8, "", |
673 | level + 12, ""); | |
14f9c5c9 AS |
674 | ada_print_type (TYPE_FIELD_TYPE (type, i), |
675 | TYPE_FIELD_NAME (type, i), | |
676 | stream, show - 1, level + 12); | |
677 | fprintf_filtered (stream, ";"); | |
678 | } | |
679 | ||
d2e4a39e AS |
680 | fprintf_filtered (stream, "\n%*send case;\n%*send record", |
681 | level + 4, "", level, ""); | |
14f9c5c9 AS |
682 | } |
683 | } | |
d2e4a39e | 684 | |
14f9c5c9 AS |
685 | |
686 | ||
687 | /* Print function or procedure type TYPE on STREAM. Make it a header | |
688 | for function or procedure NAME if NAME is not null. */ | |
689 | ||
690 | static void | |
d2e4a39e | 691 | print_func_type (struct type *type, struct ui_file *stream, char *name) |
14f9c5c9 AS |
692 | { |
693 | int i, len = TYPE_NFIELDS (type); | |
694 | ||
695 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID) | |
696 | fprintf_filtered (stream, "procedure"); | |
697 | else | |
698 | fprintf_filtered (stream, "function"); | |
699 | ||
d2e4a39e | 700 | if (name != NULL && name[0] != '\0') |
14f9c5c9 AS |
701 | fprintf_filtered (stream, " %s", name); |
702 | ||
d2e4a39e | 703 | if (len > 0) |
14f9c5c9 AS |
704 | { |
705 | fprintf_filtered (stream, " ("); | |
706 | for (i = 0; i < len; i += 1) | |
707 | { | |
708 | if (i > 0) | |
709 | { | |
710 | fputs_filtered ("; ", stream); | |
711 | wrap_here (" "); | |
712 | } | |
d2e4a39e | 713 | fprintf_filtered (stream, "a%d: ", i + 1); |
14f9c5c9 AS |
714 | ada_print_type (TYPE_FIELD_TYPE (type, i), "", stream, -1, 0); |
715 | } | |
716 | fprintf_filtered (stream, ")"); | |
d2e4a39e | 717 | } |
14f9c5c9 AS |
718 | |
719 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
720 | { | |
721 | fprintf_filtered (stream, " return "); | |
722 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, 0, 0); | |
723 | } | |
724 | } | |
725 | ||
726 | ||
727 | /* Print a description of a type TYPE0. | |
728 | Output goes to STREAM (via stdio). | |
729 | If VARSTRING is a non-empty string, print as an Ada variable/field | |
730 | declaration. | |
731 | SHOW+1 is the maximum number of levels of internal type structure | |
732 | to show (this applies to record types, enumerated types, and | |
733 | array types). | |
734 | SHOW is the number of levels of internal type structure to show | |
735 | when there is a type name for the SHOWth deepest level (0th is | |
736 | outer level). | |
737 | When SHOW<0, no inner structure is shown. | |
738 | LEVEL indicates level of recursion (for nested definitions). */ | |
739 | ||
740 | void | |
d2e4a39e | 741 | ada_print_type (struct type *type0, char *varstring, struct ui_file *stream, |
ebf56fd3 | 742 | int show, int level) |
14f9c5c9 AS |
743 | { |
744 | enum type_code code; | |
745 | int demangled_args; | |
d2e4a39e AS |
746 | struct type *type = ada_completed_type (ada_get_base_type (type0)); |
747 | char *type_name = demangled_type_name (type); | |
14f9c5c9 AS |
748 | int is_var_decl = (varstring != NULL && varstring[0] != '\0'); |
749 | ||
750 | if (type == NULL) | |
751 | { | |
752 | if (is_var_decl) | |
753 | fprintf_filtered (stream, "%.*s: ", | |
d2e4a39e | 754 | ada_name_prefix_len (varstring), varstring); |
14f9c5c9 AS |
755 | fprintf_filtered (stream, "<null type?>"); |
756 | return; | |
757 | } | |
758 | ||
759 | if (show > 0) | |
d2e4a39e | 760 | CHECK_TYPEDEF (type); |
14f9c5c9 AS |
761 | |
762 | if (is_var_decl && TYPE_CODE (type) != TYPE_CODE_FUNC) | |
d2e4a39e AS |
763 | fprintf_filtered (stream, "%.*s: ", |
764 | ada_name_prefix_len (varstring), varstring); | |
14f9c5c9 AS |
765 | |
766 | if (type_name != NULL && show <= 0) | |
767 | { | |
d2e4a39e | 768 | fprintf_filtered (stream, "%.*s", |
14f9c5c9 AS |
769 | ada_name_prefix_len (type_name), type_name); |
770 | return; | |
771 | } | |
772 | ||
773 | if (ada_is_aligner_type (type)) | |
774 | ada_print_type (ada_aligned_type (type), "", stream, show, level); | |
775 | else if (ada_is_packed_array_type (type)) | |
776 | print_array_type (type, stream, show, level); | |
777 | else | |
d2e4a39e AS |
778 | switch (TYPE_CODE (type)) |
779 | { | |
780 | default: | |
781 | fprintf_filtered (stream, "<"); | |
782 | c_print_type (type, "", stream, show, level); | |
783 | fprintf_filtered (stream, ">"); | |
784 | break; | |
785 | case TYPE_CODE_PTR: | |
786 | fprintf_filtered (stream, "access "); | |
787 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level); | |
788 | break; | |
789 | case TYPE_CODE_REF: | |
790 | fprintf_filtered (stream, "<ref> "); | |
791 | ada_print_type (TYPE_TARGET_TYPE (type), "", stream, show, level); | |
792 | break; | |
793 | case TYPE_CODE_ARRAY: | |
14f9c5c9 | 794 | print_array_type (type, stream, show, level); |
d2e4a39e AS |
795 | break; |
796 | case TYPE_CODE_INT: | |
797 | if (ada_is_fixed_point_type (type)) | |
798 | print_fixed_point_type (type, stream); | |
799 | else if (ada_is_vax_floating_type (type)) | |
800 | print_vax_floating_point_type (type, stream); | |
801 | else | |
802 | { | |
803 | char *name = ada_type_name (type); | |
804 | if (!ada_is_range_type_name (name)) | |
805 | fprintf_filtered (stream, "<%d-byte integer>", | |
806 | TYPE_LENGTH (type)); | |
807 | else | |
808 | { | |
809 | fprintf_filtered (stream, "range "); | |
810 | print_range_type_named (name, stream); | |
811 | } | |
812 | } | |
813 | break; | |
814 | case TYPE_CODE_RANGE: | |
815 | if (ada_is_fixed_point_type (type)) | |
816 | print_fixed_point_type (type, stream); | |
817 | else if (ada_is_vax_floating_type (type)) | |
818 | print_vax_floating_point_type (type, stream); | |
819 | else if (ada_is_modular_type (type)) | |
820 | fprintf_filtered (stream, "mod %ld", (long) ada_modulus (type)); | |
821 | else | |
822 | { | |
823 | fprintf_filtered (stream, "range "); | |
824 | print_range (type, stream); | |
825 | } | |
826 | break; | |
827 | case TYPE_CODE_FLT: | |
828 | fprintf_filtered (stream, "<%d-byte float>", TYPE_LENGTH (type)); | |
829 | break; | |
830 | case TYPE_CODE_ENUM: | |
831 | if (show < 0) | |
832 | fprintf_filtered (stream, "(...)"); | |
833 | else | |
834 | print_enum_type (type, stream); | |
835 | break; | |
836 | case TYPE_CODE_STRUCT: | |
837 | if (ada_is_array_descriptor (type)) | |
838 | print_array_type (type, stream, show, level); | |
839 | else if (ada_is_bogus_array_descriptor (type)) | |
840 | fprintf_filtered (stream, | |
841 | "array (?) of ? (<mal-formed descriptor>)"); | |
842 | else | |
843 | print_record_type (type, stream, show, level); | |
844 | break; | |
845 | case TYPE_CODE_UNION: | |
846 | print_unchecked_union_type (type, stream, show, level); | |
847 | break; | |
848 | case TYPE_CODE_FUNC: | |
849 | print_func_type (type, stream, varstring); | |
850 | break; | |
851 | } | |
14f9c5c9 | 852 | } |