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373a8247 PM |
1 | /* Support for printing Pascal types for GDB, the GNU debugger. |
2 | Copyright 2000 | |
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | /* This file is derived from p-typeprint.c */ | |
22 | ||
23 | #include "defs.h" | |
24 | #include "obstack.h" | |
25 | #include "bfd.h" /* Binary File Description */ | |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "expression.h" | |
29 | #include "value.h" | |
30 | #include "gdbcore.h" | |
31 | #include "target.h" | |
32 | #include "command.h" | |
33 | #include "gdbcmd.h" | |
34 | #include "language.h" | |
373a8247 PM |
35 | #include "p-lang.h" |
36 | #include "typeprint.h" | |
37 | ||
38 | #include "gdb_string.h" | |
39 | #include <errno.h> | |
40 | #include <ctype.h> | |
41 | ||
42 | static void pascal_type_print_args (struct type *, struct ui_file *); | |
43 | ||
44 | static void pascal_type_print_varspec_suffix (struct type *, struct ui_file *, int, int, int); | |
45 | ||
46 | static void pascal_type_print_derivation_info (struct ui_file *, struct type *); | |
47 | ||
48 | void pascal_type_print_varspec_prefix (struct type *, struct ui_file *, int, int); | |
49 | \f | |
50 | ||
51 | /* LEVEL is the depth to indent lines by. */ | |
52 | ||
53 | void | |
fba45db2 KB |
54 | pascal_print_type (struct type *type, char *varstring, struct ui_file *stream, |
55 | int show, int level) | |
373a8247 PM |
56 | { |
57 | register enum type_code code; | |
58 | int demangled_args; | |
59 | ||
60 | code = TYPE_CODE (type); | |
61 | ||
62 | if (show > 0) | |
63 | CHECK_TYPEDEF (type); | |
64 | ||
65 | if ((code == TYPE_CODE_FUNC || | |
66 | code == TYPE_CODE_METHOD)) | |
67 | { | |
68 | pascal_type_print_varspec_prefix (type, stream, show, 0); | |
69 | } | |
70 | /* first the name */ | |
71 | fputs_filtered (varstring, stream); | |
72 | ||
73 | if ((varstring != NULL && *varstring != '\0') && | |
74 | !(code == TYPE_CODE_FUNC || | |
75 | code == TYPE_CODE_METHOD)) | |
76 | { | |
77 | fputs_filtered (" : ", stream); | |
78 | } | |
79 | ||
80 | if (!(code == TYPE_CODE_FUNC || | |
81 | code == TYPE_CODE_METHOD)) | |
82 | { | |
83 | pascal_type_print_varspec_prefix (type, stream, show, 0); | |
84 | } | |
85 | ||
86 | pascal_type_print_base (type, stream, show, level); | |
87 | /* For demangled function names, we have the arglist as part of the name, | |
88 | so don't print an additional pair of ()'s */ | |
89 | ||
90 | demangled_args = varstring ? strchr (varstring, '(') != NULL : 0; | |
91 | pascal_type_print_varspec_suffix (type, stream, show, 0, demangled_args); | |
92 | ||
93 | } | |
94 | ||
95 | /* If TYPE is a derived type, then print out derivation information. | |
96 | Print only the actual base classes of this type, not the base classes | |
97 | of the base classes. I.E. for the derivation hierarchy: | |
98 | ||
99 | class A { int a; }; | |
100 | class B : public A {int b; }; | |
101 | class C : public B {int c; }; | |
102 | ||
103 | Print the type of class C as: | |
104 | ||
105 | class C : public B { | |
106 | int c; | |
107 | } | |
108 | ||
109 | Not as the following (like gdb used to), which is not legal C++ syntax for | |
110 | derived types and may be confused with the multiple inheritance form: | |
111 | ||
112 | class C : public B : public A { | |
113 | int c; | |
114 | } | |
115 | ||
116 | In general, gdb should try to print the types as closely as possible to | |
117 | the form that they appear in the source code. */ | |
118 | ||
119 | static void | |
fba45db2 | 120 | pascal_type_print_derivation_info (struct ui_file *stream, struct type *type) |
373a8247 PM |
121 | { |
122 | char *name; | |
123 | int i; | |
124 | ||
125 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
126 | { | |
127 | fputs_filtered (i == 0 ? ": " : ", ", stream); | |
128 | fprintf_filtered (stream, "%s%s ", | |
129 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", | |
130 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); | |
131 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); | |
132 | fprintf_filtered (stream, "%s", name ? name : "(null)"); | |
133 | } | |
134 | if (i > 0) | |
135 | { | |
136 | fputs_filtered (" ", stream); | |
137 | } | |
138 | } | |
139 | ||
140 | /* Print the Pascal method arguments ARGS to the file STREAM. */ | |
141 | ||
142 | void | |
fba45db2 KB |
143 | pascal_type_print_method_args (char *physname, char *methodname, |
144 | struct ui_file *stream) | |
373a8247 PM |
145 | { |
146 | int is_constructor = STREQN (physname, "__ct__", 6); | |
147 | int is_destructor = STREQN (physname, "__dt__", 6); | |
148 | ||
149 | if (is_constructor || is_destructor) | |
150 | { | |
151 | physname += 6; | |
152 | } | |
153 | ||
154 | fputs_filtered (methodname, stream); | |
155 | ||
156 | if (physname && (*physname != 0)) | |
157 | { | |
158 | int i = 0; | |
159 | int len = 0; | |
160 | char storec; | |
161 | char *argname; | |
162 | fputs_filtered (" (", stream); | |
163 | /* we must demangle this */ | |
8ce17b9a | 164 | while (isdigit (physname[0])) |
373a8247 | 165 | { |
8ce17b9a | 166 | while (isdigit (physname[len])) |
373a8247 PM |
167 | { |
168 | len++; | |
169 | } | |
170 | i = strtol (physname, &argname, 0); | |
171 | physname += len; | |
172 | storec = physname[i]; | |
173 | physname[i] = 0; | |
174 | fputs_filtered (physname, stream); | |
175 | physname[i] = storec; | |
176 | physname += i; | |
177 | if (physname[0] != 0) | |
178 | { | |
179 | fputs_filtered (", ", stream); | |
180 | } | |
181 | } | |
182 | fputs_filtered (")", stream); | |
183 | } | |
184 | } | |
185 | ||
186 | /* Print any asterisks or open-parentheses needed before the | |
187 | variable name (to describe its type). | |
188 | ||
189 | On outermost call, pass 0 for PASSED_A_PTR. | |
190 | On outermost call, SHOW > 0 means should ignore | |
191 | any typename for TYPE and show its details. | |
192 | SHOW is always zero on recursive calls. */ | |
193 | ||
194 | void | |
fba45db2 KB |
195 | pascal_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
196 | int show, int passed_a_ptr) | |
373a8247 PM |
197 | { |
198 | char *name; | |
199 | if (type == 0) | |
200 | return; | |
201 | ||
202 | if (TYPE_NAME (type) && show <= 0) | |
203 | return; | |
204 | ||
205 | QUIT; | |
206 | ||
207 | switch (TYPE_CODE (type)) | |
208 | { | |
209 | case TYPE_CODE_PTR: | |
210 | fprintf_filtered (stream, "^"); | |
211 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
212 | break; /* pointer should be handled normally in pascal */ | |
213 | ||
214 | case TYPE_CODE_MEMBER: | |
215 | if (passed_a_ptr) | |
216 | fprintf_filtered (stream, "("); | |
217 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
218 | fprintf_filtered (stream, " "); | |
219 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); | |
220 | if (name) | |
221 | fputs_filtered (name, stream); | |
222 | else | |
223 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
224 | fprintf_filtered (stream, "::"); | |
225 | break; | |
226 | ||
227 | case TYPE_CODE_METHOD: | |
228 | if (passed_a_ptr) | |
229 | fprintf_filtered (stream, "("); | |
230 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
231 | { | |
232 | fprintf_filtered (stream, "function "); | |
233 | } | |
234 | else | |
235 | { | |
236 | fprintf_filtered (stream, "procedure "); | |
237 | } | |
238 | ||
239 | if (passed_a_ptr) | |
240 | { | |
241 | fprintf_filtered (stream, " "); | |
242 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
243 | fprintf_filtered (stream, "::"); | |
244 | } | |
245 | break; | |
246 | ||
247 | case TYPE_CODE_REF: | |
248 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
249 | fprintf_filtered (stream, "&"); | |
250 | break; | |
251 | ||
252 | case TYPE_CODE_FUNC: | |
253 | if (passed_a_ptr) | |
254 | fprintf_filtered (stream, "("); | |
255 | ||
256 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
257 | { | |
258 | fprintf_filtered (stream, "function "); | |
259 | } | |
260 | else | |
261 | { | |
262 | fprintf_filtered (stream, "procedure "); | |
263 | } | |
264 | ||
265 | break; | |
266 | ||
267 | case TYPE_CODE_ARRAY: | |
268 | if (passed_a_ptr) | |
269 | fprintf_filtered (stream, "("); | |
270 | fprintf_filtered (stream, "array "); | |
271 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 | |
272 | && TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED) | |
273 | fprintf_filtered (stream, "[%d..%d] ", | |
274 | TYPE_ARRAY_LOWER_BOUND_VALUE (type), | |
275 | TYPE_ARRAY_UPPER_BOUND_VALUE (type) | |
276 | ); | |
277 | fprintf_filtered (stream, "of "); | |
278 | break; | |
279 | ||
280 | case TYPE_CODE_UNDEF: | |
281 | case TYPE_CODE_STRUCT: | |
282 | case TYPE_CODE_UNION: | |
283 | case TYPE_CODE_ENUM: | |
284 | case TYPE_CODE_INT: | |
285 | case TYPE_CODE_FLT: | |
286 | case TYPE_CODE_VOID: | |
287 | case TYPE_CODE_ERROR: | |
288 | case TYPE_CODE_CHAR: | |
289 | case TYPE_CODE_BOOL: | |
290 | case TYPE_CODE_SET: | |
291 | case TYPE_CODE_RANGE: | |
292 | case TYPE_CODE_STRING: | |
293 | case TYPE_CODE_BITSTRING: | |
294 | case TYPE_CODE_COMPLEX: | |
295 | case TYPE_CODE_TYPEDEF: | |
296 | case TYPE_CODE_TEMPLATE: | |
297 | /* These types need no prefix. They are listed here so that | |
298 | gcc -Wall will reveal any types that haven't been handled. */ | |
299 | break; | |
300 | default: | |
301 | error ("type not handled in pascal_type_print_varspec_prefix()"); | |
302 | break; | |
303 | } | |
304 | } | |
305 | ||
306 | static void | |
fba45db2 | 307 | pascal_type_print_args (struct type *type, struct ui_file *stream) |
373a8247 PM |
308 | { |
309 | int i; | |
310 | struct type **args; | |
311 | ||
312 | /* fprintf_filtered (stream, "("); | |
313 | no () for procedures !! */ | |
314 | args = TYPE_ARG_TYPES (type); | |
315 | if (args != NULL) | |
316 | { | |
317 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || | |
318 | (args[2] != NULL)) | |
319 | { | |
320 | fprintf_filtered (stream, "("); | |
321 | } | |
322 | if (args[1] == NULL) | |
323 | { | |
324 | fprintf_filtered (stream, "..."); | |
325 | } | |
326 | else | |
327 | { | |
328 | for (i = 1; | |
329 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; | |
330 | i++) | |
331 | { | |
332 | pascal_print_type (args[i], "", stream, -1, 0); | |
333 | if (args[i + 1] == NULL) | |
334 | { | |
335 | fprintf_filtered (stream, "..."); | |
336 | } | |
337 | else if (args[i + 1]->code != TYPE_CODE_VOID) | |
338 | { | |
339 | fprintf_filtered (stream, ","); | |
340 | wrap_here (" "); | |
341 | } | |
342 | } | |
343 | } | |
344 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || | |
345 | (args[2] != NULL)) | |
346 | { | |
347 | fprintf_filtered (stream, ")"); | |
348 | } | |
349 | } | |
350 | } | |
351 | ||
352 | static void | |
353 | pascal_print_func_args (struct type *type, struct ui_file *stream) | |
354 | { | |
355 | int i, len = TYPE_NFIELDS (type); | |
356 | if (len) | |
357 | { | |
358 | fprintf_filtered (stream, "("); | |
359 | } | |
360 | for (i = 0; i < len; i++) | |
361 | { | |
362 | if (i > 0) | |
363 | { | |
364 | fputs_filtered (", ", stream); | |
365 | wrap_here (" "); | |
366 | } | |
367 | /* can we find if it is a var parameter ?? | |
368 | if ( TYPE_FIELD(type, i) == ) | |
369 | { | |
370 | fprintf_filtered (stream, "var "); | |
371 | } */ | |
372 | pascal_print_type (TYPE_FIELD_TYPE (type, i), "" /* TYPE_FIELD_NAME seems invalid ! */ | |
373 | ,stream, -1, 0); | |
374 | } | |
375 | if (len) | |
376 | { | |
377 | fprintf_filtered (stream, ")"); | |
378 | } | |
379 | } | |
380 | ||
381 | /* Print any array sizes, function arguments or close parentheses | |
382 | needed after the variable name (to describe its type). | |
383 | Args work like pascal_type_print_varspec_prefix. */ | |
384 | ||
385 | static void | |
fba45db2 KB |
386 | pascal_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
387 | int show, int passed_a_ptr, | |
388 | int demangled_args) | |
373a8247 PM |
389 | { |
390 | if (type == 0) | |
391 | return; | |
392 | ||
393 | if (TYPE_NAME (type) && show <= 0) | |
394 | return; | |
395 | ||
396 | QUIT; | |
397 | ||
398 | switch (TYPE_CODE (type)) | |
399 | { | |
400 | case TYPE_CODE_ARRAY: | |
401 | if (passed_a_ptr) | |
402 | fprintf_filtered (stream, ")"); | |
403 | break; | |
404 | ||
405 | case TYPE_CODE_MEMBER: | |
406 | if (passed_a_ptr) | |
407 | fprintf_filtered (stream, ")"); | |
408 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
409 | break; | |
410 | ||
411 | case TYPE_CODE_METHOD: | |
412 | if (passed_a_ptr) | |
413 | fprintf_filtered (stream, ")"); | |
414 | pascal_type_print_method_args ("", | |
415 | "", | |
416 | stream); | |
417 | /* pascal_type_print_args (type, stream); */ | |
418 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
419 | { | |
420 | fprintf_filtered (stream, " : "); | |
421 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
422 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
423 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
424 | passed_a_ptr, 0); | |
425 | } | |
426 | break; | |
427 | ||
428 | case TYPE_CODE_PTR: | |
429 | case TYPE_CODE_REF: | |
430 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); | |
431 | break; | |
432 | ||
433 | case TYPE_CODE_FUNC: | |
434 | if (passed_a_ptr) | |
435 | fprintf_filtered (stream, ")"); | |
436 | if (!demangled_args) | |
437 | pascal_print_func_args (type, stream); | |
438 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
439 | { | |
440 | fprintf_filtered (stream, " : "); | |
441 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
442 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
443 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
444 | passed_a_ptr, 0); | |
445 | } | |
446 | break; | |
447 | ||
448 | case TYPE_CODE_UNDEF: | |
449 | case TYPE_CODE_STRUCT: | |
450 | case TYPE_CODE_UNION: | |
451 | case TYPE_CODE_ENUM: | |
452 | case TYPE_CODE_INT: | |
453 | case TYPE_CODE_FLT: | |
454 | case TYPE_CODE_VOID: | |
455 | case TYPE_CODE_ERROR: | |
456 | case TYPE_CODE_CHAR: | |
457 | case TYPE_CODE_BOOL: | |
458 | case TYPE_CODE_SET: | |
459 | case TYPE_CODE_RANGE: | |
460 | case TYPE_CODE_STRING: | |
461 | case TYPE_CODE_BITSTRING: | |
462 | case TYPE_CODE_COMPLEX: | |
463 | case TYPE_CODE_TYPEDEF: | |
464 | case TYPE_CODE_TEMPLATE: | |
465 | /* These types do not need a suffix. They are listed so that | |
466 | gcc -Wall will report types that may not have been considered. */ | |
467 | break; | |
468 | default: | |
469 | error ("type not handled in pascal_type_print_varspec_suffix()"); | |
470 | break; | |
471 | } | |
472 | } | |
473 | ||
474 | /* Print the name of the type (or the ultimate pointer target, | |
475 | function value or array element), or the description of a | |
476 | structure or union. | |
477 | ||
478 | SHOW positive means print details about the type (e.g. enum values), | |
479 | and print structure elements passing SHOW - 1 for show. | |
480 | SHOW negative means just print the type name or struct tag if there is one. | |
481 | If there is no name, print something sensible but concise like | |
482 | "struct {...}". | |
483 | SHOW zero means just print the type name or struct tag if there is one. | |
484 | If there is no name, print something sensible but not as concise like | |
485 | "struct {int x; int y;}". | |
486 | ||
487 | LEVEL is the number of spaces to indent by. | |
488 | We increase it for some recursive calls. */ | |
489 | ||
490 | void | |
fba45db2 KB |
491 | pascal_type_print_base (struct type *type, struct ui_file *stream, int show, |
492 | int level) | |
373a8247 PM |
493 | { |
494 | register int i; | |
495 | register int len; | |
496 | register int lastval; | |
497 | enum | |
498 | { | |
499 | s_none, s_public, s_private, s_protected | |
500 | } | |
501 | section_type; | |
502 | QUIT; | |
503 | ||
504 | wrap_here (" "); | |
505 | if (type == NULL) | |
506 | { | |
507 | fputs_filtered ("<type unknown>", stream); | |
508 | return; | |
509 | } | |
510 | ||
511 | /* void pointer */ | |
512 | if ((TYPE_CODE (type) == TYPE_CODE_PTR) && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)) | |
513 | { | |
514 | fprintf_filtered (stream, | |
515 | TYPE_NAME (type) ? TYPE_NAME (type) : "pointer"); | |
516 | return; | |
517 | } | |
518 | /* When SHOW is zero or less, and there is a valid type name, then always | |
519 | just print the type name directly from the type. */ | |
520 | ||
521 | if (show <= 0 | |
522 | && TYPE_NAME (type) != NULL) | |
523 | { | |
524 | fputs_filtered (TYPE_NAME (type), stream); | |
525 | return; | |
526 | } | |
527 | ||
528 | CHECK_TYPEDEF (type); | |
529 | ||
530 | switch (TYPE_CODE (type)) | |
531 | { | |
532 | case TYPE_CODE_TYPEDEF: | |
533 | case TYPE_CODE_PTR: | |
534 | case TYPE_CODE_MEMBER: | |
535 | case TYPE_CODE_REF: | |
536 | /* case TYPE_CODE_FUNC: | |
537 | case TYPE_CODE_METHOD: */ | |
538 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
539 | break; | |
540 | ||
541 | case TYPE_CODE_ARRAY: | |
542 | /* pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
543 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
544 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); */ | |
545 | pascal_print_type (TYPE_TARGET_TYPE (type), NULL, stream, 0, 0); | |
546 | break; | |
547 | ||
548 | case TYPE_CODE_FUNC: | |
549 | case TYPE_CODE_METHOD: | |
550 | /* | |
551 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
552 | only after args !! */ | |
553 | break; | |
554 | case TYPE_CODE_STRUCT: | |
555 | if (TYPE_TAG_NAME (type) != NULL) | |
556 | { | |
557 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
558 | fputs_filtered (" = ", stream); | |
559 | } | |
560 | if (HAVE_CPLUS_STRUCT (type)) | |
561 | { | |
562 | fprintf_filtered (stream, "class "); | |
563 | } | |
564 | else | |
565 | { | |
566 | fprintf_filtered (stream, "record "); | |
567 | } | |
568 | goto struct_union; | |
569 | ||
570 | case TYPE_CODE_UNION: | |
571 | if (TYPE_TAG_NAME (type) != NULL) | |
572 | { | |
573 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
574 | fputs_filtered (" = ", stream); | |
575 | } | |
576 | fprintf_filtered (stream, "case <?> of "); | |
577 | ||
578 | struct_union: | |
579 | wrap_here (" "); | |
580 | if (show < 0) | |
581 | { | |
582 | /* If we just printed a tag name, no need to print anything else. */ | |
583 | if (TYPE_TAG_NAME (type) == NULL) | |
584 | fprintf_filtered (stream, "{...}"); | |
585 | } | |
586 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
587 | { | |
588 | pascal_type_print_derivation_info (stream, type); | |
589 | ||
590 | fprintf_filtered (stream, "\n"); | |
591 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) | |
592 | { | |
593 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
594 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); | |
595 | else | |
596 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); | |
597 | } | |
598 | ||
599 | /* Start off with no specific section type, so we can print | |
600 | one for the first field we find, and use that section type | |
601 | thereafter until we find another type. */ | |
602 | ||
603 | section_type = s_none; | |
604 | ||
605 | /* If there is a base class for this type, | |
606 | do not print the field that it occupies. */ | |
607 | ||
608 | len = TYPE_NFIELDS (type); | |
609 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
610 | { | |
611 | QUIT; | |
612 | /* Don't print out virtual function table. */ | |
613 | if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5) | |
614 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) | |
615 | continue; | |
616 | ||
617 | /* If this is a pascal object or class we can print the | |
618 | various section labels. */ | |
619 | ||
620 | if (HAVE_CPLUS_STRUCT (type)) | |
621 | { | |
622 | if (TYPE_FIELD_PROTECTED (type, i)) | |
623 | { | |
624 | if (section_type != s_protected) | |
625 | { | |
626 | section_type = s_protected; | |
627 | fprintfi_filtered (level + 2, stream, | |
628 | "protected\n"); | |
629 | } | |
630 | } | |
631 | else if (TYPE_FIELD_PRIVATE (type, i)) | |
632 | { | |
633 | if (section_type != s_private) | |
634 | { | |
635 | section_type = s_private; | |
636 | fprintfi_filtered (level + 2, stream, "private\n"); | |
637 | } | |
638 | } | |
639 | else | |
640 | { | |
641 | if (section_type != s_public) | |
642 | { | |
643 | section_type = s_public; | |
644 | fprintfi_filtered (level + 2, stream, "public\n"); | |
645 | } | |
646 | } | |
647 | } | |
648 | ||
649 | print_spaces_filtered (level + 4, stream); | |
650 | if (TYPE_FIELD_STATIC (type, i)) | |
651 | { | |
652 | fprintf_filtered (stream, "static "); | |
653 | } | |
654 | pascal_print_type (TYPE_FIELD_TYPE (type, i), | |
655 | TYPE_FIELD_NAME (type, i), | |
656 | stream, show - 1, level + 4); | |
657 | if (!TYPE_FIELD_STATIC (type, i) | |
658 | && TYPE_FIELD_PACKED (type, i)) | |
659 | { | |
660 | /* It is a bitfield. This code does not attempt | |
661 | to look at the bitpos and reconstruct filler, | |
662 | unnamed fields. This would lead to misleading | |
663 | results if the compiler does not put out fields | |
664 | for such things (I don't know what it does). */ | |
665 | fprintf_filtered (stream, " : %d", | |
666 | TYPE_FIELD_BITSIZE (type, i)); | |
667 | } | |
668 | fprintf_filtered (stream, ";\n"); | |
669 | } | |
670 | ||
671 | /* If there are both fields and methods, put a space between. */ | |
672 | len = TYPE_NFN_FIELDS (type); | |
673 | if (len && section_type != s_none) | |
674 | fprintf_filtered (stream, "\n"); | |
675 | ||
676 | /* Pbject pascal: print out the methods */ | |
677 | ||
678 | for (i = 0; i < len; i++) | |
679 | { | |
680 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
681 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
682 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
683 | char *name = type_name_no_tag (type); | |
684 | /* this is GNU C++ specific | |
685 | how can we know constructor/destructor? | |
686 | It might work for GNU pascal */ | |
687 | for (j = 0; j < len2; j++) | |
688 | { | |
689 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); | |
690 | ||
691 | int is_constructor = STREQN (physname, "__ct__", 6); | |
692 | int is_destructor = STREQN (physname, "__dt__", 6); | |
693 | ||
694 | QUIT; | |
695 | if (TYPE_FN_FIELD_PROTECTED (f, j)) | |
696 | { | |
697 | if (section_type != s_protected) | |
698 | { | |
699 | section_type = s_protected; | |
700 | fprintfi_filtered (level + 2, stream, | |
701 | "protected\n"); | |
702 | } | |
703 | } | |
704 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) | |
705 | { | |
706 | if (section_type != s_private) | |
707 | { | |
708 | section_type = s_private; | |
709 | fprintfi_filtered (level + 2, stream, "private\n"); | |
710 | } | |
711 | } | |
712 | else | |
713 | { | |
714 | if (section_type != s_public) | |
715 | { | |
716 | section_type = s_public; | |
717 | fprintfi_filtered (level + 2, stream, "public\n"); | |
718 | } | |
719 | } | |
720 | ||
721 | print_spaces_filtered (level + 4, stream); | |
722 | if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
723 | fprintf_filtered (stream, "static "); | |
724 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
725 | { | |
726 | /* Keep GDB from crashing here. */ | |
727 | fprintf_filtered (stream, "<undefined type> %s;\n", | |
728 | TYPE_FN_FIELD_PHYSNAME (f, j)); | |
729 | break; | |
730 | } | |
731 | ||
732 | if (is_constructor) | |
733 | { | |
734 | fprintf_filtered (stream, "constructor "); | |
735 | } | |
736 | else if (is_destructor) | |
737 | { | |
738 | fprintf_filtered (stream, "destructor "); | |
739 | } | |
740 | else if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && | |
741 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) | |
742 | { | |
743 | fprintf_filtered (stream, "function "); | |
744 | } | |
745 | else | |
746 | { | |
747 | fprintf_filtered (stream, "procedure "); | |
748 | } | |
749 | /* this does not work, no idea why !! */ | |
750 | ||
751 | pascal_type_print_method_args (physname, | |
752 | method_name, | |
753 | stream); | |
754 | ||
755 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && | |
756 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) | |
757 | { | |
758 | fputs_filtered (" : ", stream); | |
759 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
760 | "", stream, -1); | |
761 | } | |
762 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
763 | fprintf_filtered (stream, "; virtual"); | |
764 | ||
765 | fprintf_filtered (stream, ";\n"); | |
766 | } | |
767 | } | |
768 | fprintfi_filtered (level, stream, "end"); | |
769 | } | |
770 | break; | |
771 | ||
772 | case TYPE_CODE_ENUM: | |
773 | if (TYPE_TAG_NAME (type) != NULL) | |
774 | { | |
775 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
776 | if (show > 0) | |
777 | fputs_filtered (" ", stream); | |
778 | } | |
779 | /* enum is just defined by | |
780 | type enume_name = (enum_member1,enum_member2,...) */ | |
781 | fprintf_filtered (stream, " = "); | |
782 | wrap_here (" "); | |
783 | if (show < 0) | |
784 | { | |
785 | /* If we just printed a tag name, no need to print anything else. */ | |
786 | if (TYPE_TAG_NAME (type) == NULL) | |
787 | fprintf_filtered (stream, "(...)"); | |
788 | } | |
789 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
790 | { | |
791 | fprintf_filtered (stream, "("); | |
792 | len = TYPE_NFIELDS (type); | |
793 | lastval = 0; | |
794 | for (i = 0; i < len; i++) | |
795 | { | |
796 | QUIT; | |
797 | if (i) | |
798 | fprintf_filtered (stream, ", "); | |
799 | wrap_here (" "); | |
800 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
801 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
802 | { | |
803 | fprintf_filtered (stream, " := %d", TYPE_FIELD_BITPOS (type, i)); | |
804 | lastval = TYPE_FIELD_BITPOS (type, i); | |
805 | } | |
806 | lastval++; | |
807 | } | |
808 | fprintf_filtered (stream, ")"); | |
809 | } | |
810 | break; | |
811 | ||
812 | case TYPE_CODE_VOID: | |
813 | fprintf_filtered (stream, "void"); | |
814 | break; | |
815 | ||
816 | case TYPE_CODE_UNDEF: | |
817 | fprintf_filtered (stream, "record <unknown>"); | |
818 | break; | |
819 | ||
820 | case TYPE_CODE_ERROR: | |
821 | fprintf_filtered (stream, "<unknown type>"); | |
822 | break; | |
823 | ||
824 | /* this probably does not work for enums */ | |
825 | case TYPE_CODE_RANGE: | |
826 | { | |
827 | struct type *target = TYPE_TARGET_TYPE (type); | |
828 | if (target == NULL) | |
829 | target = builtin_type_long; | |
830 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); | |
831 | fputs_filtered ("..", stream); | |
832 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); | |
833 | } | |
834 | break; | |
835 | ||
836 | case TYPE_CODE_SET: | |
837 | fputs_filtered ("set of ", stream); | |
838 | pascal_print_type (TYPE_INDEX_TYPE (type), "", stream, | |
839 | show - 1, level); | |
840 | break; | |
841 | ||
842 | default: | |
843 | /* Handle types not explicitly handled by the other cases, | |
844 | such as fundamental types. For these, just print whatever | |
845 | the type name is, as recorded in the type itself. If there | |
846 | is no type name, then complain. */ | |
847 | if (TYPE_NAME (type) != NULL) | |
848 | { | |
849 | fputs_filtered (TYPE_NAME (type), stream); | |
850 | } | |
851 | else | |
852 | { | |
853 | /* At least for dump_symtab, it is important that this not be | |
854 | an error (). */ | |
855 | fprintf_filtered (stream, "<invalid unnamed pascal type code %d>", | |
856 | TYPE_CODE (type)); | |
857 | } | |
858 | break; | |
859 | } | |
860 | } |