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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" | |
35 | #include "demangle.h" | |
36 | #include "p-lang.h" | |
37 | #include "typeprint.h" | |
38 | ||
39 | #include "gdb_string.h" | |
40 | #include <errno.h> | |
41 | #include <ctype.h> | |
42 | ||
43 | static void pascal_type_print_args (struct type *, struct ui_file *); | |
44 | ||
45 | static void pascal_type_print_varspec_suffix (struct type *, struct ui_file *, int, int, int); | |
46 | ||
47 | static void pascal_type_print_derivation_info (struct ui_file *, struct type *); | |
48 | ||
49 | void pascal_type_print_varspec_prefix (struct type *, struct ui_file *, int, int); | |
50 | \f | |
51 | ||
52 | /* LEVEL is the depth to indent lines by. */ | |
53 | ||
54 | void | |
fba45db2 KB |
55 | pascal_print_type (struct type *type, char *varstring, struct ui_file *stream, |
56 | int show, int level) | |
373a8247 PM |
57 | { |
58 | register enum type_code code; | |
59 | int demangled_args; | |
60 | ||
61 | code = TYPE_CODE (type); | |
62 | ||
63 | if (show > 0) | |
64 | CHECK_TYPEDEF (type); | |
65 | ||
66 | if ((code == TYPE_CODE_FUNC || | |
67 | code == TYPE_CODE_METHOD)) | |
68 | { | |
69 | pascal_type_print_varspec_prefix (type, stream, show, 0); | |
70 | } | |
71 | /* first the name */ | |
72 | fputs_filtered (varstring, stream); | |
73 | ||
74 | if ((varstring != NULL && *varstring != '\0') && | |
75 | !(code == TYPE_CODE_FUNC || | |
76 | code == TYPE_CODE_METHOD)) | |
77 | { | |
78 | fputs_filtered (" : ", stream); | |
79 | } | |
80 | ||
81 | if (!(code == TYPE_CODE_FUNC || | |
82 | code == TYPE_CODE_METHOD)) | |
83 | { | |
84 | pascal_type_print_varspec_prefix (type, stream, show, 0); | |
85 | } | |
86 | ||
87 | pascal_type_print_base (type, stream, show, level); | |
88 | /* For demangled function names, we have the arglist as part of the name, | |
89 | so don't print an additional pair of ()'s */ | |
90 | ||
91 | demangled_args = varstring ? strchr (varstring, '(') != NULL : 0; | |
92 | pascal_type_print_varspec_suffix (type, stream, show, 0, demangled_args); | |
93 | ||
94 | } | |
95 | ||
96 | /* If TYPE is a derived type, then print out derivation information. | |
97 | Print only the actual base classes of this type, not the base classes | |
98 | of the base classes. I.E. for the derivation hierarchy: | |
99 | ||
100 | class A { int a; }; | |
101 | class B : public A {int b; }; | |
102 | class C : public B {int c; }; | |
103 | ||
104 | Print the type of class C as: | |
105 | ||
106 | class C : public B { | |
107 | int c; | |
108 | } | |
109 | ||
110 | Not as the following (like gdb used to), which is not legal C++ syntax for | |
111 | derived types and may be confused with the multiple inheritance form: | |
112 | ||
113 | class C : public B : public A { | |
114 | int c; | |
115 | } | |
116 | ||
117 | In general, gdb should try to print the types as closely as possible to | |
118 | the form that they appear in the source code. */ | |
119 | ||
120 | static void | |
fba45db2 | 121 | pascal_type_print_derivation_info (struct ui_file *stream, struct type *type) |
373a8247 PM |
122 | { |
123 | char *name; | |
124 | int i; | |
125 | ||
126 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) | |
127 | { | |
128 | fputs_filtered (i == 0 ? ": " : ", ", stream); | |
129 | fprintf_filtered (stream, "%s%s ", | |
130 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", | |
131 | BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : ""); | |
132 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); | |
133 | fprintf_filtered (stream, "%s", name ? name : "(null)"); | |
134 | } | |
135 | if (i > 0) | |
136 | { | |
137 | fputs_filtered (" ", stream); | |
138 | } | |
139 | } | |
140 | ||
141 | /* Print the Pascal method arguments ARGS to the file STREAM. */ | |
142 | ||
143 | void | |
fba45db2 KB |
144 | pascal_type_print_method_args (char *physname, char *methodname, |
145 | struct ui_file *stream) | |
373a8247 PM |
146 | { |
147 | int is_constructor = STREQN (physname, "__ct__", 6); | |
148 | int is_destructor = STREQN (physname, "__dt__", 6); | |
149 | ||
150 | if (is_constructor || is_destructor) | |
151 | { | |
152 | physname += 6; | |
153 | } | |
154 | ||
155 | fputs_filtered (methodname, stream); | |
156 | ||
157 | if (physname && (*physname != 0)) | |
158 | { | |
159 | int i = 0; | |
160 | int len = 0; | |
161 | char storec; | |
162 | char *argname; | |
163 | fputs_filtered (" (", stream); | |
164 | /* we must demangle this */ | |
8ce17b9a | 165 | while (isdigit (physname[0])) |
373a8247 | 166 | { |
8ce17b9a | 167 | while (isdigit (physname[len])) |
373a8247 PM |
168 | { |
169 | len++; | |
170 | } | |
171 | i = strtol (physname, &argname, 0); | |
172 | physname += len; | |
173 | storec = physname[i]; | |
174 | physname[i] = 0; | |
175 | fputs_filtered (physname, stream); | |
176 | physname[i] = storec; | |
177 | physname += i; | |
178 | if (physname[0] != 0) | |
179 | { | |
180 | fputs_filtered (", ", stream); | |
181 | } | |
182 | } | |
183 | fputs_filtered (")", stream); | |
184 | } | |
185 | } | |
186 | ||
187 | /* Print any asterisks or open-parentheses needed before the | |
188 | variable name (to describe its type). | |
189 | ||
190 | On outermost call, pass 0 for PASSED_A_PTR. | |
191 | On outermost call, SHOW > 0 means should ignore | |
192 | any typename for TYPE and show its details. | |
193 | SHOW is always zero on recursive calls. */ | |
194 | ||
195 | void | |
fba45db2 KB |
196 | pascal_type_print_varspec_prefix (struct type *type, struct ui_file *stream, |
197 | int show, int passed_a_ptr) | |
373a8247 PM |
198 | { |
199 | char *name; | |
200 | if (type == 0) | |
201 | return; | |
202 | ||
203 | if (TYPE_NAME (type) && show <= 0) | |
204 | return; | |
205 | ||
206 | QUIT; | |
207 | ||
208 | switch (TYPE_CODE (type)) | |
209 | { | |
210 | case TYPE_CODE_PTR: | |
211 | fprintf_filtered (stream, "^"); | |
212 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
213 | break; /* pointer should be handled normally in pascal */ | |
214 | ||
215 | case TYPE_CODE_MEMBER: | |
216 | if (passed_a_ptr) | |
217 | fprintf_filtered (stream, "("); | |
218 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
219 | fprintf_filtered (stream, " "); | |
220 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); | |
221 | if (name) | |
222 | fputs_filtered (name, stream); | |
223 | else | |
224 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
225 | fprintf_filtered (stream, "::"); | |
226 | break; | |
227 | ||
228 | case TYPE_CODE_METHOD: | |
229 | if (passed_a_ptr) | |
230 | fprintf_filtered (stream, "("); | |
231 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
232 | { | |
233 | fprintf_filtered (stream, "function "); | |
234 | } | |
235 | else | |
236 | { | |
237 | fprintf_filtered (stream, "procedure "); | |
238 | } | |
239 | ||
240 | if (passed_a_ptr) | |
241 | { | |
242 | fprintf_filtered (stream, " "); | |
243 | pascal_type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); | |
244 | fprintf_filtered (stream, "::"); | |
245 | } | |
246 | break; | |
247 | ||
248 | case TYPE_CODE_REF: | |
249 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); | |
250 | fprintf_filtered (stream, "&"); | |
251 | break; | |
252 | ||
253 | case TYPE_CODE_FUNC: | |
254 | if (passed_a_ptr) | |
255 | fprintf_filtered (stream, "("); | |
256 | ||
257 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
258 | { | |
259 | fprintf_filtered (stream, "function "); | |
260 | } | |
261 | else | |
262 | { | |
263 | fprintf_filtered (stream, "procedure "); | |
264 | } | |
265 | ||
266 | break; | |
267 | ||
268 | case TYPE_CODE_ARRAY: | |
269 | if (passed_a_ptr) | |
270 | fprintf_filtered (stream, "("); | |
271 | fprintf_filtered (stream, "array "); | |
272 | if (TYPE_LENGTH (type) >= 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0 | |
273 | && TYPE_ARRAY_UPPER_BOUND_TYPE (type) != BOUND_CANNOT_BE_DETERMINED) | |
274 | fprintf_filtered (stream, "[%d..%d] ", | |
275 | TYPE_ARRAY_LOWER_BOUND_VALUE (type), | |
276 | TYPE_ARRAY_UPPER_BOUND_VALUE (type) | |
277 | ); | |
278 | fprintf_filtered (stream, "of "); | |
279 | break; | |
280 | ||
281 | case TYPE_CODE_UNDEF: | |
282 | case TYPE_CODE_STRUCT: | |
283 | case TYPE_CODE_UNION: | |
284 | case TYPE_CODE_ENUM: | |
285 | case TYPE_CODE_INT: | |
286 | case TYPE_CODE_FLT: | |
287 | case TYPE_CODE_VOID: | |
288 | case TYPE_CODE_ERROR: | |
289 | case TYPE_CODE_CHAR: | |
290 | case TYPE_CODE_BOOL: | |
291 | case TYPE_CODE_SET: | |
292 | case TYPE_CODE_RANGE: | |
293 | case TYPE_CODE_STRING: | |
294 | case TYPE_CODE_BITSTRING: | |
295 | case TYPE_CODE_COMPLEX: | |
296 | case TYPE_CODE_TYPEDEF: | |
297 | case TYPE_CODE_TEMPLATE: | |
298 | /* These types need no prefix. They are listed here so that | |
299 | gcc -Wall will reveal any types that haven't been handled. */ | |
300 | break; | |
301 | default: | |
302 | error ("type not handled in pascal_type_print_varspec_prefix()"); | |
303 | break; | |
304 | } | |
305 | } | |
306 | ||
307 | static void | |
fba45db2 | 308 | pascal_type_print_args (struct type *type, struct ui_file *stream) |
373a8247 PM |
309 | { |
310 | int i; | |
311 | struct type **args; | |
312 | ||
313 | /* fprintf_filtered (stream, "("); | |
314 | no () for procedures !! */ | |
315 | args = TYPE_ARG_TYPES (type); | |
316 | if (args != NULL) | |
317 | { | |
318 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || | |
319 | (args[2] != NULL)) | |
320 | { | |
321 | fprintf_filtered (stream, "("); | |
322 | } | |
323 | if (args[1] == NULL) | |
324 | { | |
325 | fprintf_filtered (stream, "..."); | |
326 | } | |
327 | else | |
328 | { | |
329 | for (i = 1; | |
330 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; | |
331 | i++) | |
332 | { | |
333 | pascal_print_type (args[i], "", stream, -1, 0); | |
334 | if (args[i + 1] == NULL) | |
335 | { | |
336 | fprintf_filtered (stream, "..."); | |
337 | } | |
338 | else if (args[i + 1]->code != TYPE_CODE_VOID) | |
339 | { | |
340 | fprintf_filtered (stream, ","); | |
341 | wrap_here (" "); | |
342 | } | |
343 | } | |
344 | } | |
345 | if ((args[1] != NULL && args[1]->code != TYPE_CODE_VOID) || | |
346 | (args[2] != NULL)) | |
347 | { | |
348 | fprintf_filtered (stream, ")"); | |
349 | } | |
350 | } | |
351 | } | |
352 | ||
353 | static void | |
354 | pascal_print_func_args (struct type *type, struct ui_file *stream) | |
355 | { | |
356 | int i, len = TYPE_NFIELDS (type); | |
357 | if (len) | |
358 | { | |
359 | fprintf_filtered (stream, "("); | |
360 | } | |
361 | for (i = 0; i < len; i++) | |
362 | { | |
363 | if (i > 0) | |
364 | { | |
365 | fputs_filtered (", ", stream); | |
366 | wrap_here (" "); | |
367 | } | |
368 | /* can we find if it is a var parameter ?? | |
369 | if ( TYPE_FIELD(type, i) == ) | |
370 | { | |
371 | fprintf_filtered (stream, "var "); | |
372 | } */ | |
373 | pascal_print_type (TYPE_FIELD_TYPE (type, i), "" /* TYPE_FIELD_NAME seems invalid ! */ | |
374 | ,stream, -1, 0); | |
375 | } | |
376 | if (len) | |
377 | { | |
378 | fprintf_filtered (stream, ")"); | |
379 | } | |
380 | } | |
381 | ||
382 | /* Print any array sizes, function arguments or close parentheses | |
383 | needed after the variable name (to describe its type). | |
384 | Args work like pascal_type_print_varspec_prefix. */ | |
385 | ||
386 | static void | |
fba45db2 KB |
387 | pascal_type_print_varspec_suffix (struct type *type, struct ui_file *stream, |
388 | int show, int passed_a_ptr, | |
389 | int demangled_args) | |
373a8247 PM |
390 | { |
391 | if (type == 0) | |
392 | return; | |
393 | ||
394 | if (TYPE_NAME (type) && show <= 0) | |
395 | return; | |
396 | ||
397 | QUIT; | |
398 | ||
399 | switch (TYPE_CODE (type)) | |
400 | { | |
401 | case TYPE_CODE_ARRAY: | |
402 | if (passed_a_ptr) | |
403 | fprintf_filtered (stream, ")"); | |
404 | break; | |
405 | ||
406 | case TYPE_CODE_MEMBER: | |
407 | if (passed_a_ptr) | |
408 | fprintf_filtered (stream, ")"); | |
409 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); | |
410 | break; | |
411 | ||
412 | case TYPE_CODE_METHOD: | |
413 | if (passed_a_ptr) | |
414 | fprintf_filtered (stream, ")"); | |
415 | pascal_type_print_method_args ("", | |
416 | "", | |
417 | stream); | |
418 | /* pascal_type_print_args (type, stream); */ | |
419 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
420 | { | |
421 | fprintf_filtered (stream, " : "); | |
422 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
423 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
424 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
425 | passed_a_ptr, 0); | |
426 | } | |
427 | break; | |
428 | ||
429 | case TYPE_CODE_PTR: | |
430 | case TYPE_CODE_REF: | |
431 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); | |
432 | break; | |
433 | ||
434 | case TYPE_CODE_FUNC: | |
435 | if (passed_a_ptr) | |
436 | fprintf_filtered (stream, ")"); | |
437 | if (!demangled_args) | |
438 | pascal_print_func_args (type, stream); | |
439 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID) | |
440 | { | |
441 | fprintf_filtered (stream, " : "); | |
442 | pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
443 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0); | |
444 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, | |
445 | passed_a_ptr, 0); | |
446 | } | |
447 | break; | |
448 | ||
449 | case TYPE_CODE_UNDEF: | |
450 | case TYPE_CODE_STRUCT: | |
451 | case TYPE_CODE_UNION: | |
452 | case TYPE_CODE_ENUM: | |
453 | case TYPE_CODE_INT: | |
454 | case TYPE_CODE_FLT: | |
455 | case TYPE_CODE_VOID: | |
456 | case TYPE_CODE_ERROR: | |
457 | case TYPE_CODE_CHAR: | |
458 | case TYPE_CODE_BOOL: | |
459 | case TYPE_CODE_SET: | |
460 | case TYPE_CODE_RANGE: | |
461 | case TYPE_CODE_STRING: | |
462 | case TYPE_CODE_BITSTRING: | |
463 | case TYPE_CODE_COMPLEX: | |
464 | case TYPE_CODE_TYPEDEF: | |
465 | case TYPE_CODE_TEMPLATE: | |
466 | /* These types do not need a suffix. They are listed so that | |
467 | gcc -Wall will report types that may not have been considered. */ | |
468 | break; | |
469 | default: | |
470 | error ("type not handled in pascal_type_print_varspec_suffix()"); | |
471 | break; | |
472 | } | |
473 | } | |
474 | ||
475 | /* Print the name of the type (or the ultimate pointer target, | |
476 | function value or array element), or the description of a | |
477 | structure or union. | |
478 | ||
479 | SHOW positive means print details about the type (e.g. enum values), | |
480 | and print structure elements passing SHOW - 1 for show. | |
481 | SHOW negative means just print the type name or struct tag if there is one. | |
482 | If there is no name, print something sensible but concise like | |
483 | "struct {...}". | |
484 | SHOW zero means just print the type name or struct tag if there is one. | |
485 | If there is no name, print something sensible but not as concise like | |
486 | "struct {int x; int y;}". | |
487 | ||
488 | LEVEL is the number of spaces to indent by. | |
489 | We increase it for some recursive calls. */ | |
490 | ||
491 | void | |
fba45db2 KB |
492 | pascal_type_print_base (struct type *type, struct ui_file *stream, int show, |
493 | int level) | |
373a8247 PM |
494 | { |
495 | register int i; | |
496 | register int len; | |
497 | register int lastval; | |
498 | enum | |
499 | { | |
500 | s_none, s_public, s_private, s_protected | |
501 | } | |
502 | section_type; | |
503 | QUIT; | |
504 | ||
505 | wrap_here (" "); | |
506 | if (type == NULL) | |
507 | { | |
508 | fputs_filtered ("<type unknown>", stream); | |
509 | return; | |
510 | } | |
511 | ||
512 | /* void pointer */ | |
513 | if ((TYPE_CODE (type) == TYPE_CODE_PTR) && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_VOID)) | |
514 | { | |
515 | fprintf_filtered (stream, | |
516 | TYPE_NAME (type) ? TYPE_NAME (type) : "pointer"); | |
517 | return; | |
518 | } | |
519 | /* When SHOW is zero or less, and there is a valid type name, then always | |
520 | just print the type name directly from the type. */ | |
521 | ||
522 | if (show <= 0 | |
523 | && TYPE_NAME (type) != NULL) | |
524 | { | |
525 | fputs_filtered (TYPE_NAME (type), stream); | |
526 | return; | |
527 | } | |
528 | ||
529 | CHECK_TYPEDEF (type); | |
530 | ||
531 | switch (TYPE_CODE (type)) | |
532 | { | |
533 | case TYPE_CODE_TYPEDEF: | |
534 | case TYPE_CODE_PTR: | |
535 | case TYPE_CODE_MEMBER: | |
536 | case TYPE_CODE_REF: | |
537 | /* case TYPE_CODE_FUNC: | |
538 | case TYPE_CODE_METHOD: */ | |
539 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
540 | break; | |
541 | ||
542 | case TYPE_CODE_ARRAY: | |
543 | /* pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0); | |
544 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
545 | pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); */ | |
546 | pascal_print_type (TYPE_TARGET_TYPE (type), NULL, stream, 0, 0); | |
547 | break; | |
548 | ||
549 | case TYPE_CODE_FUNC: | |
550 | case TYPE_CODE_METHOD: | |
551 | /* | |
552 | pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
553 | only after args !! */ | |
554 | break; | |
555 | case TYPE_CODE_STRUCT: | |
556 | if (TYPE_TAG_NAME (type) != NULL) | |
557 | { | |
558 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
559 | fputs_filtered (" = ", stream); | |
560 | } | |
561 | if (HAVE_CPLUS_STRUCT (type)) | |
562 | { | |
563 | fprintf_filtered (stream, "class "); | |
564 | } | |
565 | else | |
566 | { | |
567 | fprintf_filtered (stream, "record "); | |
568 | } | |
569 | goto struct_union; | |
570 | ||
571 | case TYPE_CODE_UNION: | |
572 | if (TYPE_TAG_NAME (type) != NULL) | |
573 | { | |
574 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
575 | fputs_filtered (" = ", stream); | |
576 | } | |
577 | fprintf_filtered (stream, "case <?> of "); | |
578 | ||
579 | struct_union: | |
580 | wrap_here (" "); | |
581 | if (show < 0) | |
582 | { | |
583 | /* If we just printed a tag name, no need to print anything else. */ | |
584 | if (TYPE_TAG_NAME (type) == NULL) | |
585 | fprintf_filtered (stream, "{...}"); | |
586 | } | |
587 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
588 | { | |
589 | pascal_type_print_derivation_info (stream, type); | |
590 | ||
591 | fprintf_filtered (stream, "\n"); | |
592 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) | |
593 | { | |
594 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) | |
595 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); | |
596 | else | |
597 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); | |
598 | } | |
599 | ||
600 | /* Start off with no specific section type, so we can print | |
601 | one for the first field we find, and use that section type | |
602 | thereafter until we find another type. */ | |
603 | ||
604 | section_type = s_none; | |
605 | ||
606 | /* If there is a base class for this type, | |
607 | do not print the field that it occupies. */ | |
608 | ||
609 | len = TYPE_NFIELDS (type); | |
610 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
611 | { | |
612 | QUIT; | |
613 | /* Don't print out virtual function table. */ | |
614 | if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5) | |
615 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) | |
616 | continue; | |
617 | ||
618 | /* If this is a pascal object or class we can print the | |
619 | various section labels. */ | |
620 | ||
621 | if (HAVE_CPLUS_STRUCT (type)) | |
622 | { | |
623 | if (TYPE_FIELD_PROTECTED (type, i)) | |
624 | { | |
625 | if (section_type != s_protected) | |
626 | { | |
627 | section_type = s_protected; | |
628 | fprintfi_filtered (level + 2, stream, | |
629 | "protected\n"); | |
630 | } | |
631 | } | |
632 | else if (TYPE_FIELD_PRIVATE (type, i)) | |
633 | { | |
634 | if (section_type != s_private) | |
635 | { | |
636 | section_type = s_private; | |
637 | fprintfi_filtered (level + 2, stream, "private\n"); | |
638 | } | |
639 | } | |
640 | else | |
641 | { | |
642 | if (section_type != s_public) | |
643 | { | |
644 | section_type = s_public; | |
645 | fprintfi_filtered (level + 2, stream, "public\n"); | |
646 | } | |
647 | } | |
648 | } | |
649 | ||
650 | print_spaces_filtered (level + 4, stream); | |
651 | if (TYPE_FIELD_STATIC (type, i)) | |
652 | { | |
653 | fprintf_filtered (stream, "static "); | |
654 | } | |
655 | pascal_print_type (TYPE_FIELD_TYPE (type, i), | |
656 | TYPE_FIELD_NAME (type, i), | |
657 | stream, show - 1, level + 4); | |
658 | if (!TYPE_FIELD_STATIC (type, i) | |
659 | && TYPE_FIELD_PACKED (type, i)) | |
660 | { | |
661 | /* It is a bitfield. This code does not attempt | |
662 | to look at the bitpos and reconstruct filler, | |
663 | unnamed fields. This would lead to misleading | |
664 | results if the compiler does not put out fields | |
665 | for such things (I don't know what it does). */ | |
666 | fprintf_filtered (stream, " : %d", | |
667 | TYPE_FIELD_BITSIZE (type, i)); | |
668 | } | |
669 | fprintf_filtered (stream, ";\n"); | |
670 | } | |
671 | ||
672 | /* If there are both fields and methods, put a space between. */ | |
673 | len = TYPE_NFN_FIELDS (type); | |
674 | if (len && section_type != s_none) | |
675 | fprintf_filtered (stream, "\n"); | |
676 | ||
677 | /* Pbject pascal: print out the methods */ | |
678 | ||
679 | for (i = 0; i < len; i++) | |
680 | { | |
681 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
682 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
683 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
684 | char *name = type_name_no_tag (type); | |
685 | /* this is GNU C++ specific | |
686 | how can we know constructor/destructor? | |
687 | It might work for GNU pascal */ | |
688 | for (j = 0; j < len2; j++) | |
689 | { | |
690 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); | |
691 | ||
692 | int is_constructor = STREQN (physname, "__ct__", 6); | |
693 | int is_destructor = STREQN (physname, "__dt__", 6); | |
694 | ||
695 | QUIT; | |
696 | if (TYPE_FN_FIELD_PROTECTED (f, j)) | |
697 | { | |
698 | if (section_type != s_protected) | |
699 | { | |
700 | section_type = s_protected; | |
701 | fprintfi_filtered (level + 2, stream, | |
702 | "protected\n"); | |
703 | } | |
704 | } | |
705 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) | |
706 | { | |
707 | if (section_type != s_private) | |
708 | { | |
709 | section_type = s_private; | |
710 | fprintfi_filtered (level + 2, stream, "private\n"); | |
711 | } | |
712 | } | |
713 | else | |
714 | { | |
715 | if (section_type != s_public) | |
716 | { | |
717 | section_type = s_public; | |
718 | fprintfi_filtered (level + 2, stream, "public\n"); | |
719 | } | |
720 | } | |
721 | ||
722 | print_spaces_filtered (level + 4, stream); | |
723 | if (TYPE_FN_FIELD_STATIC_P (f, j)) | |
724 | fprintf_filtered (stream, "static "); | |
725 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
726 | { | |
727 | /* Keep GDB from crashing here. */ | |
728 | fprintf_filtered (stream, "<undefined type> %s;\n", | |
729 | TYPE_FN_FIELD_PHYSNAME (f, j)); | |
730 | break; | |
731 | } | |
732 | ||
733 | if (is_constructor) | |
734 | { | |
735 | fprintf_filtered (stream, "constructor "); | |
736 | } | |
737 | else if (is_destructor) | |
738 | { | |
739 | fprintf_filtered (stream, "destructor "); | |
740 | } | |
741 | else if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && | |
742 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) | |
743 | { | |
744 | fprintf_filtered (stream, "function "); | |
745 | } | |
746 | else | |
747 | { | |
748 | fprintf_filtered (stream, "procedure "); | |
749 | } | |
750 | /* this does not work, no idea why !! */ | |
751 | ||
752 | pascal_type_print_method_args (physname, | |
753 | method_name, | |
754 | stream); | |
755 | ||
756 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) != 0 && | |
757 | TYPE_CODE (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j))) != TYPE_CODE_VOID) | |
758 | { | |
759 | fputs_filtered (" : ", stream); | |
760 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
761 | "", stream, -1); | |
762 | } | |
763 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) | |
764 | fprintf_filtered (stream, "; virtual"); | |
765 | ||
766 | fprintf_filtered (stream, ";\n"); | |
767 | } | |
768 | } | |
769 | fprintfi_filtered (level, stream, "end"); | |
770 | } | |
771 | break; | |
772 | ||
773 | case TYPE_CODE_ENUM: | |
774 | if (TYPE_TAG_NAME (type) != NULL) | |
775 | { | |
776 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
777 | if (show > 0) | |
778 | fputs_filtered (" ", stream); | |
779 | } | |
780 | /* enum is just defined by | |
781 | type enume_name = (enum_member1,enum_member2,...) */ | |
782 | fprintf_filtered (stream, " = "); | |
783 | wrap_here (" "); | |
784 | if (show < 0) | |
785 | { | |
786 | /* If we just printed a tag name, no need to print anything else. */ | |
787 | if (TYPE_TAG_NAME (type) == NULL) | |
788 | fprintf_filtered (stream, "(...)"); | |
789 | } | |
790 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
791 | { | |
792 | fprintf_filtered (stream, "("); | |
793 | len = TYPE_NFIELDS (type); | |
794 | lastval = 0; | |
795 | for (i = 0; i < len; i++) | |
796 | { | |
797 | QUIT; | |
798 | if (i) | |
799 | fprintf_filtered (stream, ", "); | |
800 | wrap_here (" "); | |
801 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); | |
802 | if (lastval != TYPE_FIELD_BITPOS (type, i)) | |
803 | { | |
804 | fprintf_filtered (stream, " := %d", TYPE_FIELD_BITPOS (type, i)); | |
805 | lastval = TYPE_FIELD_BITPOS (type, i); | |
806 | } | |
807 | lastval++; | |
808 | } | |
809 | fprintf_filtered (stream, ")"); | |
810 | } | |
811 | break; | |
812 | ||
813 | case TYPE_CODE_VOID: | |
814 | fprintf_filtered (stream, "void"); | |
815 | break; | |
816 | ||
817 | case TYPE_CODE_UNDEF: | |
818 | fprintf_filtered (stream, "record <unknown>"); | |
819 | break; | |
820 | ||
821 | case TYPE_CODE_ERROR: | |
822 | fprintf_filtered (stream, "<unknown type>"); | |
823 | break; | |
824 | ||
825 | /* this probably does not work for enums */ | |
826 | case TYPE_CODE_RANGE: | |
827 | { | |
828 | struct type *target = TYPE_TARGET_TYPE (type); | |
829 | if (target == NULL) | |
830 | target = builtin_type_long; | |
831 | print_type_scalar (target, TYPE_LOW_BOUND (type), stream); | |
832 | fputs_filtered ("..", stream); | |
833 | print_type_scalar (target, TYPE_HIGH_BOUND (type), stream); | |
834 | } | |
835 | break; | |
836 | ||
837 | case TYPE_CODE_SET: | |
838 | fputs_filtered ("set of ", stream); | |
839 | pascal_print_type (TYPE_INDEX_TYPE (type), "", stream, | |
840 | show - 1, level); | |
841 | break; | |
842 | ||
843 | default: | |
844 | /* Handle types not explicitly handled by the other cases, | |
845 | such as fundamental types. For these, just print whatever | |
846 | the type name is, as recorded in the type itself. If there | |
847 | is no type name, then complain. */ | |
848 | if (TYPE_NAME (type) != NULL) | |
849 | { | |
850 | fputs_filtered (TYPE_NAME (type), stream); | |
851 | } | |
852 | else | |
853 | { | |
854 | /* At least for dump_symtab, it is important that this not be | |
855 | an error (). */ | |
856 | fprintf_filtered (stream, "<invalid unnamed pascal type code %d>", | |
857 | TYPE_CODE (type)); | |
858 | } | |
859 | break; | |
860 | } | |
861 | } |