Commit | Line | Data |
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14f9c5c9 AS |
1 | /* Support for printing Ada values for GDB, the GNU debugger. |
2 | Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001 | |
3 | Free Software Foundation, Inc. | |
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 <ctype.h> | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "expression.h" | |
26 | #include "value.h" | |
27 | #include "demangle.h" | |
28 | #include "valprint.h" | |
29 | #include "language.h" | |
30 | #include "annotate.h" | |
31 | #include "ada-lang.h" | |
32 | #include "c-lang.h" | |
33 | ||
34 | /* Encapsulates arguments to ada_val_print. */ | |
d2e4a39e AS |
35 | struct ada_val_print_args |
36 | { | |
37 | struct type *type; | |
38 | char *valaddr0; | |
14f9c5c9 AS |
39 | int embedded_offset; |
40 | CORE_ADDR address; | |
41 | struct ui_file *stream; | |
42 | int format; | |
43 | int deref_ref; | |
44 | int recurse; | |
45 | enum val_prettyprint pretty; | |
46 | }; | |
47 | ||
48 | extern int inspect_it; | |
49 | extern unsigned int repeat_count_threshold; | |
50 | ||
d2e4a39e | 51 | static void print_record (struct type *, char *, struct ui_file *, int, |
14f9c5c9 AS |
52 | int, enum val_prettyprint); |
53 | ||
d2e4a39e | 54 | static int print_field_values (struct type *, char *, struct ui_file *, |
14f9c5c9 | 55 | int, int, enum val_prettyprint, |
d2e4a39e | 56 | int, struct type *, char *); |
14f9c5c9 | 57 | |
d2e4a39e AS |
58 | static int print_variant_part (struct type *, int, char *, |
59 | struct ui_file *, int, int, | |
60 | enum val_prettyprint, int, struct type *, | |
61 | char *); | |
14f9c5c9 | 62 | |
d2e4a39e AS |
63 | static void val_print_packed_array_elements (struct type *, char *valaddr, |
64 | int, struct ui_file *, int, int, | |
3b19021e | 65 | enum val_prettyprint); |
14f9c5c9 | 66 | |
d2e4a39e | 67 | static void adjust_type_signedness (struct type *); |
14f9c5c9 AS |
68 | |
69 | static int ada_val_print_stub (PTR args0); | |
70 | ||
d2e4a39e AS |
71 | static int ada_val_print_1 (struct type *, char *, int, CORE_ADDR, |
72 | struct ui_file *, int, int, int, | |
73 | enum val_prettyprint); | |
14f9c5c9 AS |
74 | \f |
75 | ||
76 | /* Make TYPE unsigned if its range of values includes no negatives. */ | |
d2e4a39e | 77 | static void |
14f9c5c9 | 78 | adjust_type_signedness (type) |
d2e4a39e | 79 | struct type *type; |
14f9c5c9 | 80 | { |
d2e4a39e | 81 | if (type != NULL && TYPE_CODE (type) == TYPE_CODE_RANGE |
14f9c5c9 AS |
82 | && TYPE_LOW_BOUND (type) >= 0) |
83 | TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED; | |
d2e4a39e | 84 | } |
14f9c5c9 AS |
85 | |
86 | /* Assuming TYPE is a simple array type, prints its lower bound on STREAM, | |
87 | if non-standard (i.e., other than 1 for numbers, other than lower bound | |
88 | of index type for enumerated type). Returns 1 if something printed, | |
89 | otherwise 0. */ | |
90 | ||
d2e4a39e | 91 | static int |
ebf56fd3 | 92 | print_optional_low_bound (struct ui_file *stream, struct type *type) |
14f9c5c9 AS |
93 | { |
94 | struct type *index_type; | |
95 | long low_bound; | |
96 | ||
97 | index_type = TYPE_INDEX_TYPE (type); | |
98 | low_bound = 0; | |
99 | ||
100 | if (index_type == NULL) | |
101 | return 0; | |
d2e4a39e | 102 | if (TYPE_CODE (index_type) == TYPE_CODE_RANGE) |
14f9c5c9 AS |
103 | { |
104 | low_bound = TYPE_LOW_BOUND (index_type); | |
105 | index_type = TYPE_TARGET_TYPE (index_type); | |
106 | } | |
107 | else | |
108 | return 0; | |
d2e4a39e AS |
109 | |
110 | switch (TYPE_CODE (index_type)) | |
111 | { | |
112 | case TYPE_CODE_ENUM: | |
113 | if (low_bound == TYPE_FIELD_BITPOS (index_type, 0)) | |
114 | return 0; | |
115 | break; | |
116 | case TYPE_CODE_UNDEF: | |
117 | index_type = builtin_type_long; | |
118 | /* FALL THROUGH */ | |
119 | default: | |
120 | if (low_bound == 1) | |
121 | return 0; | |
122 | break; | |
123 | } | |
14f9c5c9 AS |
124 | |
125 | ada_print_scalar (index_type, (LONGEST) low_bound, stream); | |
126 | fprintf_filtered (stream, " => "); | |
127 | return 1; | |
128 | } | |
129 | ||
130 | /* Version of val_print_array_elements for GNAT-style packed arrays. | |
131 | Prints elements of packed array of type TYPE at bit offset | |
132 | BITOFFSET from VALADDR on STREAM. Formats according to FORMAT and | |
133 | separates with commas. RECURSE is the recursion (nesting) level. | |
134 | If PRETTY, uses "prettier" format. TYPE must have been decoded (as | |
d2e4a39e | 135 | by ada_coerce_to_simple_array). */ |
14f9c5c9 AS |
136 | |
137 | static void | |
ebf56fd3 AS |
138 | val_print_packed_array_elements (struct type *type, char *valaddr, |
139 | int bitoffset, struct ui_file *stream, | |
140 | int format, int recurse, | |
141 | enum val_prettyprint pretty) | |
14f9c5c9 AS |
142 | { |
143 | unsigned int i; | |
144 | unsigned int things_printed = 0; | |
145 | unsigned len; | |
146 | struct type *elttype; | |
147 | unsigned eltlen; | |
148 | /* Position of the array element we are examining to see | |
149 | whether it is repeated. */ | |
150 | unsigned int rep1; | |
151 | /* Number of repetitions we have detected so far. */ | |
152 | unsigned int reps; | |
153 | unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0); | |
d2e4a39e AS |
154 | struct value *mark = value_mark (); |
155 | ||
14f9c5c9 AS |
156 | elttype = TYPE_TARGET_TYPE (type); |
157 | eltlen = TYPE_LENGTH (check_typedef (elttype)); | |
158 | ||
159 | { | |
160 | LONGEST low, high; | |
161 | if (get_discrete_bounds (TYPE_FIELD_TYPE (type, 0), &low, &high) < 0) | |
162 | len = 1; | |
163 | else | |
164 | len = high - low + 1; | |
165 | } | |
166 | ||
167 | i = 0; | |
168 | annotate_array_section_begin (i, elttype); | |
169 | ||
170 | while (i < len && things_printed < print_max) | |
171 | { | |
172 | struct value *v0, *v1; | |
173 | int i0; | |
174 | ||
175 | if (i != 0) | |
176 | { | |
177 | if (prettyprint_arrays) | |
178 | { | |
179 | fprintf_filtered (stream, ",\n"); | |
180 | print_spaces_filtered (2 + 2 * recurse, stream); | |
181 | } | |
182 | else | |
183 | { | |
184 | fprintf_filtered (stream, ", "); | |
185 | } | |
186 | } | |
187 | wrap_here (n_spaces (2 + 2 * recurse)); | |
188 | ||
189 | i0 = i; | |
d2e4a39e | 190 | v0 = ada_value_primitive_packed_val (NULL, valaddr, |
14f9c5c9 AS |
191 | (i0 * bitsize) / HOST_CHAR_BIT, |
192 | (i0 * bitsize) % HOST_CHAR_BIT, | |
193 | bitsize, elttype); | |
194 | while (1) | |
195 | { | |
196 | i += 1; | |
197 | if (i >= len) | |
198 | break; | |
d2e4a39e | 199 | v1 = ada_value_primitive_packed_val (NULL, valaddr, |
14f9c5c9 AS |
200 | (i * bitsize) / HOST_CHAR_BIT, |
201 | (i * bitsize) % HOST_CHAR_BIT, | |
202 | bitsize, elttype); | |
d2e4a39e | 203 | if (memcmp (VALUE_CONTENTS (v0), VALUE_CONTENTS (v1), eltlen) != 0) |
14f9c5c9 AS |
204 | break; |
205 | } | |
206 | ||
207 | if (i - i0 > repeat_count_threshold) | |
208 | { | |
209 | val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format, | |
210 | 0, recurse + 1, pretty); | |
211 | annotate_elt_rep (i - i0); | |
212 | fprintf_filtered (stream, " <repeats %u times>", i - i0); | |
213 | annotate_elt_rep_end (); | |
214 | ||
215 | } | |
216 | else | |
217 | { | |
218 | int j; | |
219 | for (j = i0; j < i; j += 1) | |
220 | { | |
d2e4a39e | 221 | if (j > i0) |
14f9c5c9 AS |
222 | { |
223 | if (prettyprint_arrays) | |
224 | { | |
225 | fprintf_filtered (stream, ",\n"); | |
226 | print_spaces_filtered (2 + 2 * recurse, stream); | |
227 | } | |
228 | else | |
229 | { | |
230 | fprintf_filtered (stream, ", "); | |
231 | } | |
232 | wrap_here (n_spaces (2 + 2 * recurse)); | |
233 | } | |
234 | val_print (elttype, VALUE_CONTENTS (v0), 0, 0, stream, format, | |
235 | 0, recurse + 1, pretty); | |
236 | annotate_elt (); | |
237 | } | |
238 | } | |
239 | things_printed += i - i0; | |
240 | } | |
241 | annotate_array_section_end (); | |
242 | if (i < len) | |
243 | { | |
244 | fprintf_filtered (stream, "..."); | |
245 | } | |
246 | ||
247 | value_free_to_mark (mark); | |
248 | } | |
249 | ||
d2e4a39e AS |
250 | static struct type * |
251 | printable_val_type (struct type *type, char *valaddr) | |
14f9c5c9 AS |
252 | { |
253 | return ada_to_fixed_type (ada_aligned_type (type), valaddr, 0, NULL); | |
254 | } | |
255 | ||
256 | /* Print the character C on STREAM as part of the contents of a literal | |
257 | string whose delimiter is QUOTER. TYPE_LEN is the length in bytes | |
258 | (1 or 2) of the character. */ | |
259 | ||
260 | void | |
ebf56fd3 | 261 | ada_emit_char (int c, struct ui_file *stream, int quoter, int type_len) |
14f9c5c9 AS |
262 | { |
263 | if (type_len != 2) | |
264 | type_len = 1; | |
265 | ||
266 | c &= (1 << (type_len * TARGET_CHAR_BIT)) - 1; | |
267 | ||
268 | if (isascii (c) && isprint (c)) | |
269 | { | |
270 | if (c == quoter && c == '"') | |
271 | fprintf_filtered (stream, "[\"%c\"]", quoter); | |
272 | else | |
273 | fprintf_filtered (stream, "%c", c); | |
274 | } | |
275 | else | |
d2e4a39e | 276 | fprintf_filtered (stream, "[\"%0*x\"]", type_len * 2, c); |
14f9c5c9 AS |
277 | } |
278 | ||
279 | /* Character #I of STRING, given that TYPE_LEN is the size in bytes (1 | |
280 | or 2) of a character. */ | |
281 | ||
282 | static int | |
d2e4a39e | 283 | char_at (char *string, int i, int type_len) |
14f9c5c9 AS |
284 | { |
285 | if (type_len == 1) | |
286 | return string[i]; | |
d2e4a39e AS |
287 | else |
288 | return (int) extract_unsigned_integer (string + 2 * i, 2); | |
14f9c5c9 AS |
289 | } |
290 | ||
291 | void | |
ebf56fd3 | 292 | ada_printchar (int c, struct ui_file *stream) |
14f9c5c9 AS |
293 | { |
294 | fputs_filtered ("'", stream); | |
295 | ada_emit_char (c, stream, '\'', 1); | |
296 | fputs_filtered ("'", stream); | |
297 | } | |
298 | ||
299 | /* [From print_type_scalar in typeprint.c]. Print VAL on STREAM in a | |
300 | form appropriate for TYPE. */ | |
301 | ||
302 | void | |
ebf56fd3 | 303 | ada_print_scalar (struct type *type, LONGEST val, struct ui_file *stream) |
14f9c5c9 AS |
304 | { |
305 | unsigned int i; | |
306 | unsigned len; | |
307 | ||
308 | CHECK_TYPEDEF (type); | |
309 | ||
310 | switch (TYPE_CODE (type)) | |
311 | { | |
312 | ||
313 | case TYPE_CODE_ENUM: | |
314 | len = TYPE_NFIELDS (type); | |
315 | for (i = 0; i < len; i++) | |
316 | { | |
317 | if (TYPE_FIELD_BITPOS (type, i) == val) | |
318 | { | |
319 | break; | |
320 | } | |
321 | } | |
322 | if (i < len) | |
323 | { | |
324 | fputs_filtered (ada_enum_name (TYPE_FIELD_NAME (type, i)), stream); | |
325 | } | |
326 | else | |
327 | { | |
328 | print_longest (stream, 'd', 0, val); | |
329 | } | |
330 | break; | |
331 | ||
332 | case TYPE_CODE_INT: | |
333 | print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0, val); | |
334 | break; | |
335 | ||
336 | case TYPE_CODE_CHAR: | |
337 | LA_PRINT_CHAR ((unsigned char) val, stream); | |
338 | break; | |
339 | ||
340 | case TYPE_CODE_BOOL: | |
341 | fprintf_filtered (stream, val ? "true" : "false"); | |
342 | break; | |
343 | ||
344 | case TYPE_CODE_RANGE: | |
345 | ada_print_scalar (TYPE_TARGET_TYPE (type), val, stream); | |
346 | return; | |
347 | ||
348 | case TYPE_CODE_UNDEF: | |
349 | case TYPE_CODE_PTR: | |
350 | case TYPE_CODE_ARRAY: | |
351 | case TYPE_CODE_STRUCT: | |
352 | case TYPE_CODE_UNION: | |
353 | case TYPE_CODE_FUNC: | |
354 | case TYPE_CODE_FLT: | |
355 | case TYPE_CODE_VOID: | |
356 | case TYPE_CODE_SET: | |
357 | case TYPE_CODE_STRING: | |
358 | case TYPE_CODE_ERROR: | |
359 | case TYPE_CODE_MEMBER: | |
360 | case TYPE_CODE_METHOD: | |
361 | case TYPE_CODE_REF: | |
362 | warning ("internal error: unhandled type in ada_print_scalar"); | |
363 | break; | |
364 | ||
365 | default: | |
366 | error ("Invalid type code in symbol table."); | |
367 | } | |
368 | gdb_flush (stream); | |
369 | } | |
370 | ||
371 | /* Print the character string STRING, printing at most LENGTH characters. | |
372 | Printing stops early if the number hits print_max; repeat counts | |
373 | are printed as appropriate. Print ellipses at the end if we | |
374 | had to stop before printing LENGTH characters, or if | |
375 | FORCE_ELLIPSES. TYPE_LEN is the length (1 or 2) of the character type. | |
376 | */ | |
377 | ||
378 | static void | |
ebf56fd3 AS |
379 | printstr (struct ui_file *stream, char *string, unsigned int length, |
380 | int force_ellipses, int type_len) | |
14f9c5c9 AS |
381 | { |
382 | unsigned int i; | |
383 | unsigned int things_printed = 0; | |
384 | int in_quotes = 0; | |
385 | int need_comma = 0; | |
386 | ||
387 | if (length == 0) | |
388 | { | |
389 | fputs_filtered ("\"\"", stream); | |
390 | return; | |
391 | } | |
392 | ||
393 | for (i = 0; i < length && things_printed < print_max; i += 1) | |
394 | { | |
395 | /* Position of the character we are examining | |
d2e4a39e | 396 | to see whether it is repeated. */ |
14f9c5c9 AS |
397 | unsigned int rep1; |
398 | /* Number of repetitions we have detected so far. */ | |
399 | unsigned int reps; | |
400 | ||
401 | QUIT; | |
402 | ||
403 | if (need_comma) | |
404 | { | |
405 | fputs_filtered (", ", stream); | |
406 | need_comma = 0; | |
407 | } | |
408 | ||
409 | rep1 = i + 1; | |
410 | reps = 1; | |
d2e4a39e AS |
411 | while (rep1 < length && |
412 | char_at (string, rep1, type_len) == char_at (string, i, | |
413 | type_len)) | |
14f9c5c9 AS |
414 | { |
415 | rep1 += 1; | |
416 | reps += 1; | |
417 | } | |
418 | ||
419 | if (reps > repeat_count_threshold) | |
420 | { | |
421 | if (in_quotes) | |
422 | { | |
423 | if (inspect_it) | |
424 | fputs_filtered ("\\\", ", stream); | |
425 | else | |
426 | fputs_filtered ("\", ", stream); | |
427 | in_quotes = 0; | |
428 | } | |
429 | fputs_filtered ("'", stream); | |
d2e4a39e AS |
430 | ada_emit_char (char_at (string, i, type_len), stream, '\'', |
431 | type_len); | |
14f9c5c9 AS |
432 | fputs_filtered ("'", stream); |
433 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
434 | i = rep1 - 1; | |
435 | things_printed += repeat_count_threshold; | |
436 | need_comma = 1; | |
437 | } | |
438 | else | |
439 | { | |
440 | if (!in_quotes) | |
441 | { | |
442 | if (inspect_it) | |
443 | fputs_filtered ("\\\"", stream); | |
444 | else | |
445 | fputs_filtered ("\"", stream); | |
446 | in_quotes = 1; | |
447 | } | |
448 | ada_emit_char (char_at (string, i, type_len), stream, '"', | |
449 | type_len); | |
450 | things_printed += 1; | |
451 | } | |
452 | } | |
453 | ||
454 | /* Terminate the quotes if necessary. */ | |
455 | if (in_quotes) | |
456 | { | |
457 | if (inspect_it) | |
458 | fputs_filtered ("\\\"", stream); | |
459 | else | |
460 | fputs_filtered ("\"", stream); | |
461 | } | |
462 | ||
463 | if (force_ellipses || i < length) | |
464 | fputs_filtered ("...", stream); | |
465 | } | |
466 | ||
467 | void | |
ebf56fd3 AS |
468 | ada_printstr (struct ui_file *stream, char *string, unsigned int length, |
469 | int force_ellipses, int width) | |
14f9c5c9 AS |
470 | { |
471 | printstr (stream, string, length, force_ellipses, width); | |
472 | } | |
473 | ||
474 | ||
475 | /* Print data of type TYPE located at VALADDR (within GDB), which came from | |
476 | the inferior at address ADDRESS, onto stdio stream STREAM according to | |
477 | FORMAT (a letter as for the printf % codes or 0 for natural format). | |
478 | The data at VALADDR is in target byte order. | |
479 | ||
480 | If the data is printed as a string, returns the number of string characters | |
481 | printed. | |
482 | ||
483 | If DEREF_REF is nonzero, then dereference references, otherwise just print | |
484 | them like pointers. | |
485 | ||
486 | RECURSE indicates the amount of indentation to supply before | |
487 | continuation lines; this amount is roughly twice the value of RECURSE. | |
488 | ||
489 | When PRETTY is non-zero, prints record fields on separate lines. | |
490 | (For some reason, the current version of gdb instead uses a global | |
491 | variable---prettyprint_arrays--- to causes a similar effect on | |
492 | arrays.) */ | |
493 | ||
494 | int | |
d2e4a39e | 495 | ada_val_print (struct type *type, char *valaddr0, int embedded_offset, |
ebf56fd3 AS |
496 | CORE_ADDR address, struct ui_file *stream, int format, |
497 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
14f9c5c9 AS |
498 | { |
499 | struct ada_val_print_args args; | |
d2e4a39e AS |
500 | args.type = type; |
501 | args.valaddr0 = valaddr0; | |
14f9c5c9 AS |
502 | args.embedded_offset = embedded_offset; |
503 | args.address = address; | |
504 | args.stream = stream; | |
505 | args.format = format; | |
506 | args.deref_ref = deref_ref; | |
507 | args.recurse = recurse; | |
508 | args.pretty = pretty; | |
509 | ||
510 | return catch_errors (ada_val_print_stub, &args, NULL, RETURN_MASK_ALL); | |
511 | } | |
512 | ||
513 | /* Helper for ada_val_print; used as argument to catch_errors to | |
514 | unmarshal the arguments to ada_val_print_1, which does the work. */ | |
515 | static int | |
516 | ada_val_print_stub (PTR args0) | |
517 | { | |
d2e4a39e AS |
518 | struct ada_val_print_args *argsp = (struct ada_val_print_args *) args0; |
519 | return ada_val_print_1 (argsp->type, argsp->valaddr0, | |
520 | argsp->embedded_offset, argsp->address, | |
521 | argsp->stream, argsp->format, argsp->deref_ref, | |
522 | argsp->recurse, argsp->pretty); | |
14f9c5c9 AS |
523 | } |
524 | ||
525 | /* See the comment on ada_val_print. This function differs in that it | |
526 | * does not catch evaluation errors (leaving that to ada_val_print). */ | |
527 | ||
528 | static int | |
d2e4a39e | 529 | ada_val_print_1 (struct type *type, char *valaddr0, int embedded_offset, |
ebf56fd3 AS |
530 | CORE_ADDR address, struct ui_file *stream, int format, |
531 | int deref_ref, int recurse, enum val_prettyprint pretty) | |
14f9c5c9 AS |
532 | { |
533 | unsigned int len; | |
534 | int i; | |
535 | struct type *elttype; | |
536 | unsigned int eltlen; | |
537 | LONGEST val; | |
538 | CORE_ADDR addr; | |
d2e4a39e | 539 | char *valaddr = valaddr0 + embedded_offset; |
14f9c5c9 AS |
540 | |
541 | CHECK_TYPEDEF (type); | |
542 | ||
543 | if (ada_is_array_descriptor (type) || ada_is_packed_array_type (type)) | |
544 | { | |
545 | int retn; | |
d2e4a39e AS |
546 | struct value *mark = value_mark (); |
547 | struct value *val; | |
14f9c5c9 AS |
548 | val = value_from_contents_and_address (type, valaddr, address); |
549 | val = ada_coerce_to_simple_array_ptr (val); | |
550 | if (val == NULL) | |
551 | { | |
552 | fprintf_filtered (stream, "(null)"); | |
553 | retn = 0; | |
554 | } | |
555 | else | |
556 | retn = ada_val_print_1 (VALUE_TYPE (val), VALUE_CONTENTS (val), 0, | |
d2e4a39e | 557 | VALUE_ADDRESS (val), stream, format, |
14f9c5c9 AS |
558 | deref_ref, recurse, pretty); |
559 | value_free_to_mark (mark); | |
560 | return retn; | |
561 | } | |
562 | ||
563 | valaddr = ada_aligned_value_addr (type, valaddr); | |
564 | embedded_offset -= valaddr - valaddr0 - embedded_offset; | |
565 | type = printable_val_type (type, valaddr); | |
566 | ||
567 | switch (TYPE_CODE (type)) | |
568 | { | |
569 | default: | |
d2e4a39e | 570 | return c_val_print (type, valaddr0, embedded_offset, address, stream, |
14f9c5c9 AS |
571 | format, deref_ref, recurse, pretty); |
572 | ||
573 | case TYPE_CODE_INT: | |
574 | case TYPE_CODE_RANGE: | |
575 | if (ada_is_fixed_point_type (type)) | |
576 | { | |
577 | LONGEST v = unpack_long (type, valaddr); | |
578 | int len = TYPE_LENGTH (type); | |
579 | ||
580 | fprintf_filtered (stream, len < 4 ? "%.11g" : "%.17g", | |
581 | (double) ada_fixed_to_float (type, v)); | |
582 | return 0; | |
583 | } | |
584 | else if (ada_is_vax_floating_type (type)) | |
585 | { | |
d2e4a39e | 586 | struct value *val = |
14f9c5c9 | 587 | value_from_contents_and_address (type, valaddr, address); |
d2e4a39e | 588 | struct value *func = ada_vax_float_print_function (type); |
14f9c5c9 AS |
589 | if (func != 0) |
590 | { | |
d2e4a39e AS |
591 | static struct type *parray_of_char = NULL; |
592 | struct value *printable_val; | |
593 | ||
594 | if (parray_of_char == NULL) | |
595 | parray_of_char = | |
596 | make_pointer_type | |
597 | (create_array_type | |
598 | (NULL, builtin_type_char, | |
599 | create_range_type (NULL, builtin_type_int, 0, 32)), NULL); | |
600 | ||
601 | printable_val = | |
14f9c5c9 | 602 | value_ind (value_cast (parray_of_char, |
d2e4a39e AS |
603 | call_function_by_hand (func, 1, |
604 | &val))); | |
605 | ||
14f9c5c9 AS |
606 | fprintf_filtered (stream, "%s", VALUE_CONTENTS (printable_val)); |
607 | return 0; | |
608 | } | |
609 | /* No special printing function. Do as best we can. */ | |
610 | } | |
611 | else if (TYPE_CODE (type) == TYPE_CODE_RANGE) | |
612 | { | |
d2e4a39e | 613 | struct type *target_type = TYPE_TARGET_TYPE (type); |
14f9c5c9 AS |
614 | if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type)) |
615 | { | |
616 | /* Obscure case of range type that has different length from | |
d2e4a39e AS |
617 | its base type. Perform a conversion, or we will get a |
618 | nonsense value. Actually, we could use the same | |
619 | code regardless of lengths; I'm just avoiding a cast. */ | |
620 | struct value *v = value_cast (target_type, | |
621 | value_from_contents_and_address | |
622 | (type, valaddr, 0)); | |
14f9c5c9 AS |
623 | return ada_val_print_1 (target_type, VALUE_CONTENTS (v), 0, 0, |
624 | stream, format, 0, recurse + 1, pretty); | |
625 | } | |
626 | else | |
d2e4a39e | 627 | return ada_val_print_1 (TYPE_TARGET_TYPE (type), |
14f9c5c9 | 628 | valaddr0, embedded_offset, |
d2e4a39e | 629 | address, stream, format, deref_ref, |
14f9c5c9 AS |
630 | recurse, pretty); |
631 | } | |
d2e4a39e | 632 | else |
14f9c5c9 AS |
633 | { |
634 | format = format ? format : output_format; | |
635 | if (format) | |
636 | { | |
637 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
638 | } | |
639 | else | |
640 | { | |
641 | val_print_type_code_int (type, valaddr, stream); | |
642 | if (ada_is_character_type (type)) | |
643 | { | |
644 | fputs_filtered (" ", stream); | |
645 | ada_printchar ((unsigned char) unpack_long (type, valaddr), | |
646 | stream); | |
647 | } | |
648 | } | |
649 | return 0; | |
650 | } | |
651 | ||
652 | case TYPE_CODE_ENUM: | |
653 | if (format) | |
654 | { | |
655 | print_scalar_formatted (valaddr, type, format, 0, stream); | |
656 | break; | |
657 | } | |
658 | len = TYPE_NFIELDS (type); | |
659 | val = unpack_long (type, valaddr); | |
660 | for (i = 0; i < len; i++) | |
661 | { | |
662 | QUIT; | |
663 | if (val == TYPE_FIELD_BITPOS (type, i)) | |
664 | { | |
665 | break; | |
666 | } | |
667 | } | |
668 | if (i < len) | |
669 | { | |
d2e4a39e AS |
670 | const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i)); |
671 | if (name[0] == '\'') | |
14f9c5c9 AS |
672 | fprintf_filtered (stream, "%ld %s", (long) val, name); |
673 | else | |
674 | fputs_filtered (name, stream); | |
675 | } | |
676 | else | |
677 | { | |
678 | print_longest (stream, 'd', 0, val); | |
679 | } | |
680 | break; | |
d2e4a39e | 681 | |
14f9c5c9 AS |
682 | case TYPE_CODE_UNION: |
683 | case TYPE_CODE_STRUCT: | |
684 | if (ada_is_bogus_array_descriptor (type)) | |
685 | { | |
686 | fprintf_filtered (stream, "(...?)"); | |
687 | return 0; | |
d2e4a39e | 688 | } |
14f9c5c9 AS |
689 | else |
690 | { | |
d2e4a39e | 691 | print_record (type, valaddr, stream, format, recurse, pretty); |
14f9c5c9 AS |
692 | return 0; |
693 | } | |
694 | ||
695 | case TYPE_CODE_ARRAY: | |
696 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) | |
697 | { | |
698 | elttype = TYPE_TARGET_TYPE (type); | |
699 | eltlen = TYPE_LENGTH (elttype); | |
700 | len = TYPE_LENGTH (type) / eltlen; | |
d2e4a39e | 701 | |
14f9c5c9 | 702 | /* For an array of chars, print with string syntax. */ |
d2e4a39e | 703 | if (ada_is_string_type (type) && (format == 0 || format == 's')) |
14f9c5c9 AS |
704 | { |
705 | if (prettyprint_arrays) | |
706 | { | |
707 | print_spaces_filtered (2 + 2 * recurse, stream); | |
708 | } | |
709 | /* If requested, look for the first null char and only print | |
d2e4a39e | 710 | elements up to it. */ |
14f9c5c9 AS |
711 | if (stop_print_at_null) |
712 | { | |
713 | int temp_len; | |
d2e4a39e | 714 | |
14f9c5c9 AS |
715 | /* Look for a NULL char. */ |
716 | for (temp_len = 0; | |
717 | temp_len < len && temp_len < print_max | |
718 | && char_at (valaddr, temp_len, eltlen) != 0; | |
719 | temp_len += 1); | |
720 | len = temp_len; | |
721 | } | |
d2e4a39e | 722 | |
14f9c5c9 AS |
723 | printstr (stream, valaddr, len, 0, eltlen); |
724 | } | |
725 | else | |
726 | { | |
727 | len = 0; | |
728 | fprintf_filtered (stream, "("); | |
729 | print_optional_low_bound (stream, type); | |
d2e4a39e | 730 | if (TYPE_FIELD_BITSIZE (type, 0) > 0) |
14f9c5c9 | 731 | val_print_packed_array_elements (type, valaddr, 0, stream, |
d2e4a39e | 732 | format, recurse, pretty); |
14f9c5c9 AS |
733 | else |
734 | val_print_array_elements (type, valaddr, address, stream, | |
735 | format, deref_ref, recurse, | |
736 | pretty, 0); | |
737 | fprintf_filtered (stream, ")"); | |
738 | } | |
739 | gdb_flush (stream); | |
740 | return len; | |
741 | } | |
742 | ||
743 | case TYPE_CODE_REF: | |
744 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
745 | if (addressprint) | |
d2e4a39e | 746 | { |
14f9c5c9 AS |
747 | fprintf_filtered (stream, "@"); |
748 | print_address_numeric | |
749 | (extract_address (valaddr, | |
750 | TARGET_PTR_BIT / HOST_CHAR_BIT), 1, stream); | |
751 | if (deref_ref) | |
752 | fputs_filtered (": ", stream); | |
d2e4a39e | 753 | } |
14f9c5c9 AS |
754 | /* De-reference the reference */ |
755 | if (deref_ref) | |
756 | { | |
757 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) | |
758 | { | |
d2e4a39e AS |
759 | LONGEST deref_val_int = (LONGEST) |
760 | unpack_pointer (lookup_pointer_type (builtin_type_void), | |
14f9c5c9 | 761 | valaddr); |
d2e4a39e | 762 | if (deref_val_int != 0) |
14f9c5c9 | 763 | { |
d2e4a39e AS |
764 | struct value *deref_val = |
765 | ada_value_ind (value_from_longest | |
766 | (lookup_pointer_type (elttype), | |
14f9c5c9 AS |
767 | deref_val_int)); |
768 | val_print (VALUE_TYPE (deref_val), | |
769 | VALUE_CONTENTS (deref_val), 0, | |
770 | VALUE_ADDRESS (deref_val), stream, format, | |
771 | deref_ref, recurse + 1, pretty); | |
772 | } | |
773 | else | |
774 | fputs_filtered ("(null)", stream); | |
775 | } | |
776 | else | |
777 | fputs_filtered ("???", stream); | |
778 | } | |
779 | break; | |
780 | } | |
781 | return 0; | |
782 | } | |
783 | ||
784 | static int | |
ebf56fd3 AS |
785 | print_variant_part (struct type *type, int field_num, char *valaddr, |
786 | struct ui_file *stream, int format, int recurse, | |
787 | enum val_prettyprint pretty, int comma_needed, | |
788 | struct type *outer_type, char *outer_valaddr) | |
14f9c5c9 AS |
789 | { |
790 | struct type *var_type = TYPE_FIELD_TYPE (type, field_num); | |
d2e4a39e | 791 | int which = ada_which_variant_applies (var_type, outer_type, outer_valaddr); |
14f9c5c9 AS |
792 | |
793 | if (which < 0) | |
794 | return 0; | |
795 | else | |
d2e4a39e | 796 | return print_field_values |
14f9c5c9 AS |
797 | (TYPE_FIELD_TYPE (var_type, which), |
798 | valaddr + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT | |
799 | + TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT, | |
800 | stream, format, recurse, pretty, | |
801 | comma_needed, outer_type, outer_valaddr); | |
802 | } | |
803 | ||
804 | int | |
d2e4a39e | 805 | ada_value_print (struct value *val0, struct ui_file *stream, int format, |
ebf56fd3 | 806 | enum val_prettyprint pretty) |
14f9c5c9 | 807 | { |
d2e4a39e | 808 | char *valaddr = VALUE_CONTENTS (val0); |
14f9c5c9 | 809 | CORE_ADDR address = VALUE_ADDRESS (val0) + VALUE_OFFSET (val0); |
d2e4a39e | 810 | struct type *type = |
14f9c5c9 | 811 | ada_to_fixed_type (VALUE_TYPE (val0), valaddr, address, NULL); |
d2e4a39e AS |
812 | struct value *val = |
813 | value_from_contents_and_address (type, valaddr, address); | |
14f9c5c9 AS |
814 | |
815 | /* If it is a pointer, indicate what it points to. */ | |
d2e4a39e | 816 | if (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_CODE (type) == TYPE_CODE_REF) |
14f9c5c9 AS |
817 | { |
818 | /* Hack: remove (char *) for char strings. Their | |
d2e4a39e | 819 | type is indicated by the quoted string anyway. */ |
14f9c5c9 | 820 | if (TYPE_CODE (type) == TYPE_CODE_PTR && |
d2e4a39e | 821 | TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof (char) && |
14f9c5c9 AS |
822 | TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT && |
823 | !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) | |
824 | { | |
825 | /* Print nothing */ | |
826 | } | |
827 | else | |
828 | { | |
829 | fprintf_filtered (stream, "("); | |
830 | type_print (type, "", stream, -1); | |
831 | fprintf_filtered (stream, ") "); | |
832 | } | |
833 | } | |
d2e4a39e | 834 | else if (ada_is_array_descriptor (type)) |
14f9c5c9 AS |
835 | { |
836 | fprintf_filtered (stream, "("); | |
837 | type_print (type, "", stream, -1); | |
838 | fprintf_filtered (stream, ") "); | |
839 | } | |
840 | else if (ada_is_bogus_array_descriptor (type)) | |
841 | { | |
842 | fprintf_filtered (stream, "("); | |
843 | type_print (type, "", stream, -1); | |
844 | fprintf_filtered (stream, ") (...?)"); | |
845 | return 0; | |
846 | } | |
d2e4a39e | 847 | return (val_print (type, VALUE_CONTENTS (val), 0, address, |
14f9c5c9 AS |
848 | stream, format, 1, 0, pretty)); |
849 | } | |
d2e4a39e | 850 | |
14f9c5c9 | 851 | static void |
ebf56fd3 AS |
852 | print_record (struct type *type, char *valaddr, struct ui_file *stream, |
853 | int format, int recurse, enum val_prettyprint pretty) | |
14f9c5c9 AS |
854 | { |
855 | CHECK_TYPEDEF (type); | |
856 | ||
857 | fprintf_filtered (stream, "("); | |
858 | ||
859 | if (print_field_values (type, valaddr, stream, format, recurse, pretty, | |
d2e4a39e | 860 | 0, type, valaddr) != 0 && pretty) |
14f9c5c9 AS |
861 | { |
862 | fprintf_filtered (stream, "\n"); | |
863 | print_spaces_filtered (2 * recurse, stream); | |
864 | } | |
865 | ||
866 | fprintf_filtered (stream, ")"); | |
867 | } | |
868 | ||
869 | /* Print out fields of value at VALADDR having structure type TYPE. | |
870 | ||
871 | TYPE, VALADDR, STREAM, FORMAT, RECURSE, and PRETTY have the | |
872 | same meanings as in ada_print_value and ada_val_print. | |
873 | ||
874 | OUTER_TYPE and OUTER_VALADDR give type and address of enclosing record | |
875 | (used to get discriminant values when printing variant parts). | |
876 | ||
877 | COMMA_NEEDED is 1 if fields have been printed at the current recursion | |
878 | level, so that a comma is needed before any field printed by this | |
879 | call. | |
880 | ||
881 | Returns 1 if COMMA_NEEDED or any fields were printed. */ | |
882 | ||
883 | static int | |
ebf56fd3 AS |
884 | print_field_values (struct type *type, char *valaddr, struct ui_file *stream, |
885 | int format, int recurse, enum val_prettyprint pretty, | |
886 | int comma_needed, struct type *outer_type, | |
887 | char *outer_valaddr) | |
14f9c5c9 AS |
888 | { |
889 | int i, len; | |
890 | ||
891 | len = TYPE_NFIELDS (type); | |
892 | ||
893 | for (i = 0; i < len; i += 1) | |
894 | { | |
895 | if (ada_is_ignored_field (type, i)) | |
d2e4a39e | 896 | continue; |
14f9c5c9 AS |
897 | |
898 | if (ada_is_wrapper_field (type, i)) | |
899 | { | |
d2e4a39e | 900 | comma_needed = |
14f9c5c9 | 901 | print_field_values (TYPE_FIELD_TYPE (type, i), |
d2e4a39e | 902 | valaddr |
14f9c5c9 AS |
903 | + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT, |
904 | stream, format, recurse, pretty, | |
905 | comma_needed, type, valaddr); | |
906 | continue; | |
907 | } | |
908 | else if (ada_is_variant_part (type, i)) | |
909 | { | |
910 | comma_needed = | |
911 | print_variant_part (type, i, valaddr, | |
912 | stream, format, recurse, pretty, comma_needed, | |
913 | outer_type, outer_valaddr); | |
914 | continue; | |
915 | } | |
916 | ||
917 | if (comma_needed) | |
918 | fprintf_filtered (stream, ", "); | |
919 | comma_needed = 1; | |
920 | ||
921 | if (pretty) | |
922 | { | |
923 | fprintf_filtered (stream, "\n"); | |
924 | print_spaces_filtered (2 + 2 * recurse, stream); | |
925 | } | |
d2e4a39e | 926 | else |
14f9c5c9 AS |
927 | { |
928 | wrap_here (n_spaces (2 + 2 * recurse)); | |
929 | } | |
930 | if (inspect_it) | |
931 | { | |
932 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR) | |
933 | fputs_filtered ("\"( ptr \"", stream); | |
934 | else | |
935 | fputs_filtered ("\"( nodef \"", stream); | |
936 | fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), | |
937 | language_cplus, DMGL_NO_OPTS); | |
938 | fputs_filtered ("\" \"", stream); | |
939 | fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i), | |
940 | language_cplus, DMGL_NO_OPTS); | |
941 | fputs_filtered ("\") \"", stream); | |
942 | } | |
943 | else | |
944 | { | |
945 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)); | |
d2e4a39e | 946 | fprintf_filtered (stream, "%.*s", |
14f9c5c9 AS |
947 | ada_name_prefix_len (TYPE_FIELD_NAME (type, i)), |
948 | TYPE_FIELD_NAME (type, i)); | |
949 | annotate_field_name_end (); | |
950 | fputs_filtered (" => ", stream); | |
951 | annotate_field_value (); | |
952 | } | |
953 | ||
954 | if (TYPE_FIELD_PACKED (type, i)) | |
955 | { | |
d2e4a39e | 956 | struct value *v; |
14f9c5c9 AS |
957 | |
958 | /* Bitfields require special handling, especially due to byte | |
959 | order problems. */ | |
960 | if (TYPE_CPLUS_SPECIFIC (type) != NULL | |
961 | && TYPE_FIELD_IGNORE (type, i)) | |
962 | { | |
963 | fputs_filtered ("<optimized out or zero length>", stream); | |
964 | } | |
965 | else | |
966 | { | |
967 | int bit_pos = TYPE_FIELD_BITPOS (type, i); | |
968 | int bit_size = TYPE_FIELD_BITSIZE (type, i); | |
d2e4a39e | 969 | |
14f9c5c9 AS |
970 | adjust_type_signedness (TYPE_FIELD_TYPE (type, i)); |
971 | v = ada_value_primitive_packed_val (NULL, valaddr, | |
972 | bit_pos / HOST_CHAR_BIT, | |
973 | bit_pos % HOST_CHAR_BIT, | |
d2e4a39e | 974 | bit_size, |
14f9c5c9 | 975 | TYPE_FIELD_TYPE (type, i)); |
d2e4a39e | 976 | val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, 0, |
14f9c5c9 AS |
977 | stream, format, 0, recurse + 1, pretty); |
978 | } | |
979 | } | |
980 | else | |
d2e4a39e AS |
981 | ada_val_print (TYPE_FIELD_TYPE (type, i), |
982 | valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT, | |
983 | 0, 0, stream, format, 0, recurse + 1, pretty); | |
14f9c5c9 AS |
984 | annotate_field_end (); |
985 | } | |
986 | ||
987 | return comma_needed; | |
988 | } |