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c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
dfa52d88 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2007 |
4 | Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "parser-defs.h" | |
28 | #include "language.h" | |
29 | #include "gdbtypes.h" | |
30 | #include "symtab.h" | |
31 | #include "symfile.h" | |
32 | #include "objfiles.h" | |
33 | #include "gdb_string.h" | |
34 | #include "value.h" | |
35 | #include "c-lang.h" | |
36 | #include "jv-lang.h" | |
37 | #include "gdbcore.h" | |
fe898f56 | 38 | #include "block.h" |
9a3d7dfd | 39 | #include "demangle.h" |
de4f826b | 40 | #include "dictionary.h" |
c906108c | 41 | #include <ctype.h> |
03b4bca2 | 42 | #include "gdb_assert.h" |
c906108c SS |
43 | |
44 | struct type *java_int_type; | |
45 | struct type *java_byte_type; | |
46 | struct type *java_short_type; | |
47 | struct type *java_long_type; | |
48 | struct type *java_boolean_type; | |
49 | struct type *java_char_type; | |
50 | struct type *java_float_type; | |
51 | struct type *java_double_type; | |
52 | struct type *java_void_type; | |
53 | ||
392a587b JM |
54 | /* Local functions */ |
55 | ||
a14ed312 | 56 | extern void _initialize_java_language (void); |
392a587b | 57 | |
a14ed312 KB |
58 | static int java_demangled_signature_length (char *); |
59 | static void java_demangled_signature_copy (char *, char *); | |
c906108c | 60 | |
a14ed312 | 61 | static struct symtab *get_java_class_symtab (void); |
75c9979e AC |
62 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
63 | static int java_class_is_primitive (struct value *clas); | |
75c9979e | 64 | static struct value *java_value_string (char *ptr, int len); |
392a587b | 65 | |
d9fcf2fb | 66 | static void java_emit_char (int c, struct ui_file * stream, int quoter); |
c906108c | 67 | |
31c27f77 JJ |
68 | static char *java_class_name_from_physname (const char *physname); |
69 | ||
c906108c SS |
70 | /* This objfile contains symtabs that have been dynamically created |
71 | to record dynamically loaded Java classes and dynamically | |
72 | compiled java methods. */ | |
73 | ||
74 | static struct objfile *dynamics_objfile = NULL; | |
75 | ||
75c9979e | 76 | static struct type *java_link_class_type (struct type *, struct value *); |
c906108c | 77 | |
eb9a305d DC |
78 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
79 | allocate_objfile with first argument NULL; as a result, this code | |
80 | breaks every so often. Somebody should write a test case that | |
81 | exercises GDB in various ways (e.g. something involving loading a | |
82 | dynamic library) after this code has been called. */ | |
83 | ||
c906108c | 84 | static struct objfile * |
fba45db2 | 85 | get_dynamics_objfile (void) |
c906108c SS |
86 | { |
87 | if (dynamics_objfile == NULL) | |
88 | { | |
2df3850c | 89 | dynamics_objfile = allocate_objfile (NULL, 0); |
c906108c SS |
90 | } |
91 | return dynamics_objfile; | |
92 | } | |
93 | ||
94 | #if 1 | |
95 | /* symtab contains classes read from the inferior. */ | |
96 | ||
97 | static struct symtab *class_symtab = NULL; | |
98 | ||
de4f826b | 99 | static void free_class_block (struct symtab *symtab); |
c906108c | 100 | |
392a587b | 101 | static struct symtab * |
fba45db2 | 102 | get_java_class_symtab (void) |
c906108c SS |
103 | { |
104 | if (class_symtab == NULL) | |
105 | { | |
c5aa993b | 106 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
107 | struct blockvector *bv; |
108 | struct block *bl; | |
109 | class_symtab = allocate_symtab ("<java-classes>", objfile); | |
110 | class_symtab->language = language_java; | |
111 | bv = (struct blockvector *) | |
4a146b47 | 112 | obstack_alloc (&objfile->objfile_obstack, |
de4f826b | 113 | sizeof (struct blockvector) + sizeof (struct block *)); |
c906108c SS |
114 | BLOCKVECTOR_NBLOCKS (bv) = 1; |
115 | BLOCKVECTOR (class_symtab) = bv; | |
116 | ||
117 | /* Allocate dummy STATIC_BLOCK. */ | |
4a146b47 EZ |
118 | bl = allocate_block (&objfile->objfile_obstack); |
119 | BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack, | |
de4f826b | 120 | NULL); |
c906108c SS |
121 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; |
122 | ||
5c4e30ca | 123 | /* Allocate GLOBAL_BLOCK. */ |
4a146b47 | 124 | bl = allocate_block (&objfile->objfile_obstack); |
de4f826b | 125 | BLOCK_DICT (bl) = dict_create_hashed_expandable (); |
c906108c | 126 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; |
de4f826b | 127 | class_symtab->free_func = free_class_block; |
c906108c SS |
128 | } |
129 | return class_symtab; | |
130 | } | |
131 | ||
132 | static void | |
fba45db2 | 133 | add_class_symtab_symbol (struct symbol *sym) |
c906108c SS |
134 | { |
135 | struct symtab *symtab = get_java_class_symtab (); | |
136 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
de4f826b | 137 | dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym); |
c906108c SS |
138 | } |
139 | ||
a14ed312 | 140 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
c906108c SS |
141 | |
142 | static struct symbol * | |
fba45db2 | 143 | add_class_symbol (struct type *type, CORE_ADDR addr) |
c906108c SS |
144 | { |
145 | struct symbol *sym; | |
146 | sym = (struct symbol *) | |
4a146b47 | 147 | obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol)); |
c906108c SS |
148 | memset (sym, 0, sizeof (struct symbol)); |
149 | SYMBOL_LANGUAGE (sym) = language_java; | |
22abf04a | 150 | DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); |
c906108c | 151 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; |
c5aa993b | 152 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c | 153 | SYMBOL_TYPE (sym) = type; |
176620f1 | 154 | SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN; |
c906108c SS |
155 | SYMBOL_VALUE_ADDRESS (sym) = addr; |
156 | return sym; | |
157 | } | |
de4f826b DC |
158 | |
159 | /* Free the dynamic symbols block. */ | |
160 | static void | |
161 | free_class_block (struct symtab *symtab) | |
162 | { | |
163 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
164 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
165 | ||
166 | dict_free (BLOCK_DICT (bl)); | |
167 | } | |
c906108c SS |
168 | #endif |
169 | ||
170 | struct type * | |
fba45db2 | 171 | java_lookup_class (char *name) |
c906108c SS |
172 | { |
173 | struct symbol *sym; | |
176620f1 | 174 | sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, |
c906108c SS |
175 | (int *) 0, (struct symtab **) NULL); |
176 | if (sym != NULL) | |
177 | return SYMBOL_TYPE (sym); | |
178 | #if 0 | |
179 | CORE_ADDR addr; | |
180 | if (called from parser) | |
181 | { | |
182 | call lookup_class (or similar) in inferior; | |
c5aa993b JM |
183 | if not |
184 | found: | |
c906108c SS |
185 | return NULL; |
186 | addr = found in inferior; | |
187 | } | |
188 | else | |
189 | addr = 0; | |
190 | struct type *type; | |
191 | type = alloc_type (objfile); | |
192 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
193 | INIT_CPLUS_SPECIFIC (type); | |
b99607ea | 194 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->objfile_obstack); |
c906108c SS |
195 | TYPE_FLAGS (type) |= TYPE_FLAG_STUB; |
196 | TYPE ? = addr; | |
197 | return type; | |
198 | #else | |
199 | /* FIXME - should search inferior's symbol table. */ | |
200 | return NULL; | |
201 | #endif | |
202 | } | |
203 | ||
204 | /* Return a nul-terminated string (allocated on OBSTACK) for | |
205 | a name given by NAME (which has type Utf8Const*). */ | |
206 | ||
207 | char * | |
75c9979e | 208 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
c906108c SS |
209 | { |
210 | char *chrs; | |
75c9979e | 211 | struct value *temp = name; |
c906108c SS |
212 | int name_length; |
213 | CORE_ADDR data_addr; | |
214 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); | |
215 | name_length = (int) value_as_long (temp); | |
df407dfe AC |
216 | data_addr = VALUE_ADDRESS (temp) + value_offset (temp) |
217 | + TYPE_LENGTH (value_type (temp)); | |
c5aa993b JM |
218 | chrs = obstack_alloc (obstack, name_length + 1); |
219 | chrs[name_length] = '\0'; | |
c68a6671 | 220 | read_memory (data_addr, (gdb_byte *) chrs, name_length); |
c906108c SS |
221 | return chrs; |
222 | } | |
223 | ||
75c9979e AC |
224 | struct value * |
225 | java_class_from_object (struct value *obj_val) | |
c906108c SS |
226 | { |
227 | /* This is all rather inefficient, since the offsets of vtable and | |
228 | class are fixed. FIXME */ | |
75c9979e | 229 | struct value *vtable_val; |
c906108c | 230 | |
df407dfe AC |
231 | if (TYPE_CODE (value_type (obj_val)) == TYPE_CODE_PTR |
232 | && TYPE_LENGTH (TYPE_TARGET_TYPE (value_type (obj_val))) == 0) | |
c906108c | 233 | obj_val = value_at (get_java_object_type (), |
00a4c844 | 234 | value_as_address (obj_val)); |
c906108c SS |
235 | |
236 | vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure"); | |
237 | return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure"); | |
238 | } | |
239 | ||
240 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ | |
392a587b | 241 | static int |
75c9979e | 242 | java_class_is_primitive (struct value *clas) |
c906108c | 243 | { |
75c9979e | 244 | struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct"); |
1aa20aa8 | 245 | CORE_ADDR i = value_as_address (vtable); |
c906108c SS |
246 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
247 | } | |
248 | ||
249 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ | |
250 | ||
251 | struct type * | |
75c9979e | 252 | type_from_class (struct value *clas) |
c906108c SS |
253 | { |
254 | struct type *type; | |
255 | char *name; | |
75c9979e | 256 | struct value *temp; |
c906108c | 257 | struct objfile *objfile; |
75c9979e | 258 | struct value *utf8_name; |
c906108c SS |
259 | char *nptr; |
260 | CORE_ADDR addr; | |
261 | struct block *bl; | |
de4f826b | 262 | struct dict_iterator iter; |
c906108c SS |
263 | int is_array = 0; |
264 | ||
df407dfe | 265 | type = check_typedef (value_type (clas)); |
c906108c SS |
266 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
267 | { | |
268 | if (value_logical_not (clas)) | |
269 | return NULL; | |
270 | clas = value_ind (clas); | |
271 | } | |
df407dfe | 272 | addr = VALUE_ADDRESS (clas) + value_offset (clas); |
c906108c SS |
273 | |
274 | #if 0 | |
275 | get_java_class_symtab (); | |
276 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); | |
de4f826b | 277 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 278 | { |
c906108c SS |
279 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) |
280 | return SYMBOL_TYPE (sym); | |
281 | } | |
282 | #endif | |
283 | ||
c5aa993b | 284 | objfile = get_dynamics_objfile (); |
c906108c SS |
285 | if (java_class_is_primitive (clas)) |
286 | { | |
75c9979e | 287 | struct value *sig; |
c906108c SS |
288 | temp = clas; |
289 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
290 | return java_primitive_type (value_as_long (sig)); | |
291 | } | |
292 | ||
293 | /* Get Class name. */ | |
294 | /* if clasloader non-null, prepend loader address. FIXME */ | |
295 | temp = clas; | |
296 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 297 | name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name); |
c5aa993b | 298 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
299 | { |
300 | if (*nptr == '/') | |
301 | *nptr = '.'; | |
302 | } | |
303 | ||
304 | type = java_lookup_class (name); | |
305 | if (type != NULL) | |
306 | return type; | |
307 | ||
308 | type = alloc_type (objfile); | |
309 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
310 | INIT_CPLUS_SPECIFIC (type); | |
311 | ||
312 | if (name[0] == '[') | |
313 | { | |
314 | char *signature = name; | |
315 | int namelen = java_demangled_signature_length (signature); | |
316 | if (namelen > strlen (name)) | |
b99607ea | 317 | name = obstack_alloc (&objfile->objfile_obstack, namelen + 1); |
c906108c SS |
318 | java_demangled_signature_copy (name, signature); |
319 | name[namelen] = '\0'; | |
320 | is_array = 1; | |
321 | temp = clas; | |
322 | /* Set array element type. */ | |
323 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
04624583 | 324 | deprecated_set_value_type (temp, lookup_pointer_type (value_type (clas))); |
c906108c SS |
325 | TYPE_TARGET_TYPE (type) = type_from_class (temp); |
326 | } | |
327 | ||
328 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
329 | TYPE_TAG_NAME (type) = name; | |
330 | ||
331 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
332 | return java_link_class_type (type, clas); | |
333 | } | |
334 | ||
c5aa993b | 335 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c SS |
336 | |
337 | struct type * | |
75c9979e | 338 | java_link_class_type (struct type *type, struct value *clas) |
c906108c | 339 | { |
75c9979e | 340 | struct value *temp; |
c906108c SS |
341 | char *unqualified_name; |
342 | char *name = TYPE_TAG_NAME (type); | |
343 | int ninterfaces, nfields, nmethods; | |
344 | int type_is_object = 0; | |
345 | struct fn_field *fn_fields; | |
346 | struct fn_fieldlist *fn_fieldlists; | |
75c9979e AC |
347 | struct value *fields; |
348 | struct value *methods; | |
c65ecaf3 AC |
349 | struct value *method = NULL; |
350 | struct value *field = NULL; | |
c906108c | 351 | int i, j; |
c5aa993b | 352 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
353 | struct type *tsuper; |
354 | ||
03b4bca2 | 355 | gdb_assert (name != NULL); |
c906108c SS |
356 | unqualified_name = strrchr (name, '.'); |
357 | if (unqualified_name == NULL) | |
358 | unqualified_name = name; | |
359 | ||
360 | temp = clas; | |
361 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); | |
03b4bca2 | 362 | if (strcmp (name, "java.lang.Object") == 0) |
c906108c SS |
363 | { |
364 | tsuper = get_java_object_type (); | |
365 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) | |
366 | tsuper = TYPE_TARGET_TYPE (tsuper); | |
367 | type_is_object = 1; | |
368 | } | |
369 | else | |
370 | tsuper = type_from_class (temp); | |
371 | ||
372 | #if 1 | |
373 | ninterfaces = 0; | |
374 | #else | |
375 | temp = clas; | |
376 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure")); | |
377 | #endif | |
378 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; | |
379 | temp = clas; | |
380 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure")); | |
381 | nfields += TYPE_N_BASECLASSES (type); | |
c5aa993b | 382 | nfields++; /* Add one for dummy "class" field. */ |
c906108c SS |
383 | TYPE_NFIELDS (type) = nfields; |
384 | TYPE_FIELDS (type) = (struct field *) | |
385 | TYPE_ALLOC (type, sizeof (struct field) * nfields); | |
386 | ||
387 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); | |
388 | ||
389 | TYPE_FIELD_PRIVATE_BITS (type) = | |
390 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
391 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); | |
392 | ||
393 | TYPE_FIELD_PROTECTED_BITS (type) = | |
394 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
395 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); | |
396 | ||
397 | TYPE_FIELD_IGNORE_BITS (type) = | |
398 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
399 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); | |
400 | ||
401 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) | |
402 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); | |
403 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); | |
404 | ||
405 | if (tsuper != NULL) | |
406 | { | |
407 | TYPE_BASECLASS (type, 0) = tsuper; | |
408 | if (type_is_object) | |
409 | SET_TYPE_FIELD_PRIVATE (type, 0); | |
410 | } | |
411 | ||
412 | i = strlen (name); | |
c5aa993b | 413 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
c906108c SS |
414 | { |
415 | /* FIXME */ | |
c5aa993b | 416 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
c906108c SS |
417 | } |
418 | else | |
419 | { | |
420 | temp = clas; | |
421 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure"); | |
422 | TYPE_LENGTH (type) = value_as_long (temp); | |
423 | } | |
424 | ||
425 | fields = NULL; | |
c5aa993b | 426 | nfields--; /* First set up dummy "class" field. */ |
c906108c | 427 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), |
df407dfe | 428 | VALUE_ADDRESS (clas) + value_offset (clas)); |
c906108c | 429 | TYPE_FIELD_NAME (type, nfields) = "class"; |
df407dfe | 430 | TYPE_FIELD_TYPE (type, nfields) = value_type (clas); |
c906108c | 431 | SET_TYPE_FIELD_PRIVATE (type, nfields); |
c5aa993b JM |
432 | |
433 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) | |
c906108c SS |
434 | { |
435 | int accflags; | |
436 | int boffset; | |
437 | if (fields == NULL) | |
438 | { | |
439 | temp = clas; | |
440 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); | |
441 | field = value_ind (fields); | |
442 | } | |
443 | else | |
c5aa993b | 444 | { /* Re-use field value for next field. */ |
df407dfe | 445 | VALUE_ADDRESS (field) += TYPE_LENGTH (value_type (field)); |
dfa52d88 | 446 | set_value_lazy (field, 1); |
c906108c SS |
447 | } |
448 | temp = field; | |
449 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
450 | TYPE_FIELD_NAME (type, i) = | |
b99607ea | 451 | get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
452 | temp = field; |
453 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", | |
454 | NULL, "structure")); | |
455 | temp = field; | |
456 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); | |
457 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", | |
c5aa993b JM |
458 | NULL, "structure")); |
459 | if (accflags & 0x0001) /* public access */ | |
c906108c SS |
460 | { |
461 | /* ??? */ | |
462 | } | |
c5aa993b | 463 | if (accflags & 0x0002) /* private access */ |
c906108c SS |
464 | { |
465 | SET_TYPE_FIELD_PRIVATE (type, i); | |
466 | } | |
c5aa993b | 467 | if (accflags & 0x0004) /* protected access */ |
c906108c SS |
468 | { |
469 | SET_TYPE_FIELD_PROTECTED (type, i); | |
470 | } | |
c5aa993b JM |
471 | if (accflags & 0x0008) /* ACC_STATIC */ |
472 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); | |
c906108c SS |
473 | else |
474 | TYPE_FIELD_BITPOS (type, i) = 8 * boffset; | |
c5aa993b | 475 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
c906108c | 476 | { |
c5aa993b | 477 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
c906108c SS |
478 | } |
479 | else | |
480 | { | |
481 | struct type *ftype; | |
482 | temp = field; | |
483 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); | |
484 | ftype = type_from_class (temp); | |
485 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) | |
486 | ftype = lookup_pointer_type (ftype); | |
487 | TYPE_FIELD_TYPE (type, i) = ftype; | |
488 | } | |
489 | } | |
490 | ||
491 | temp = clas; | |
492 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", | |
493 | NULL, "structure")); | |
494 | TYPE_NFN_FIELDS_TOTAL (type) = nmethods; | |
495 | j = nmethods * sizeof (struct fn_field); | |
c5aa993b | 496 | fn_fields = (struct fn_field *) |
4a146b47 | 497 | obstack_alloc (&dynamics_objfile->objfile_obstack, j); |
c906108c | 498 | memset (fn_fields, 0, j); |
c5aa993b | 499 | fn_fieldlists = (struct fn_fieldlist *) |
c906108c SS |
500 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
501 | ||
502 | methods = NULL; | |
c5aa993b | 503 | for (i = 0; i < nmethods; i++) |
c906108c SS |
504 | { |
505 | char *mname; | |
506 | int k; | |
507 | if (methods == NULL) | |
508 | { | |
509 | temp = clas; | |
510 | methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
511 | method = value_ind (methods); | |
512 | } | |
513 | else | |
c5aa993b | 514 | { /* Re-use method value for next method. */ |
df407dfe | 515 | VALUE_ADDRESS (method) += TYPE_LENGTH (value_type (method)); |
dfa52d88 | 516 | set_value_lazy (method, 1); |
c906108c SS |
517 | } |
518 | ||
519 | /* Get method name. */ | |
520 | temp = method; | |
521 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 522 | mname = get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
523 | if (strcmp (mname, "<init>") == 0) |
524 | mname = unqualified_name; | |
525 | ||
526 | /* Check for an existing method with the same name. | |
527 | * This makes building the fn_fieldslists an O(nmethods**2) | |
528 | * operation. That could be using hashing, but I doubt it | |
529 | * is worth it. Note that we do maintain the order of methods | |
530 | * in the inferior's Method table (as long as that is grouped | |
531 | * by method name), which I think is desirable. --PB */ | |
c5aa993b | 532 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
c906108c SS |
533 | { |
534 | if (--j < 0) | |
c5aa993b JM |
535 | { /* No match - new method name. */ |
536 | j = TYPE_NFN_FIELDS (type)++; | |
c906108c SS |
537 | fn_fieldlists[j].name = mname; |
538 | fn_fieldlists[j].length = 1; | |
539 | fn_fieldlists[j].fn_fields = &fn_fields[i]; | |
540 | k = i; | |
541 | break; | |
542 | } | |
543 | if (strcmp (mname, fn_fieldlists[j].name) == 0) | |
c5aa993b | 544 | { /* Found an existing method with the same name. */ |
c906108c SS |
545 | int l; |
546 | if (mname != unqualified_name) | |
b99607ea | 547 | obstack_free (&objfile->objfile_obstack, mname); |
c906108c SS |
548 | mname = fn_fieldlists[j].name; |
549 | fn_fieldlists[j].length++; | |
c5aa993b | 550 | k = i - k; /* Index of new slot. */ |
c906108c | 551 | /* Shift intervening fn_fields (between k and i) down. */ |
c5aa993b JM |
552 | for (l = i; l > k; l--) |
553 | fn_fields[l] = fn_fields[l - 1]; | |
554 | for (l = TYPE_NFN_FIELDS (type); --l > j;) | |
c906108c SS |
555 | fn_fieldlists[l].fn_fields++; |
556 | break; | |
557 | } | |
558 | k += fn_fieldlists[j].length; | |
559 | } | |
560 | fn_fields[k].physname = ""; | |
561 | fn_fields[k].is_stub = 1; | |
c5aa993b | 562 | fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME */ |
c906108c SS |
563 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
564 | } | |
565 | ||
c5aa993b JM |
566 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
567 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) | |
4a146b47 | 568 | obstack_alloc (&dynamics_objfile->objfile_obstack, j); |
c906108c | 569 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); |
c5aa993b | 570 | |
c906108c SS |
571 | return type; |
572 | } | |
573 | ||
574 | static struct type *java_object_type; | |
575 | ||
576 | struct type * | |
fba45db2 | 577 | get_java_object_type (void) |
c906108c SS |
578 | { |
579 | if (java_object_type == NULL) | |
580 | { | |
581 | struct symbol *sym; | |
176620f1 | 582 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, |
c906108c SS |
583 | (int *) 0, (struct symtab **) NULL); |
584 | if (sym == NULL) | |
8a3fe4f8 | 585 | error (_("cannot find java.lang.Object")); |
c906108c SS |
586 | java_object_type = SYMBOL_TYPE (sym); |
587 | } | |
588 | return java_object_type; | |
589 | } | |
590 | ||
591 | int | |
fba45db2 | 592 | get_java_object_header_size (void) |
c906108c SS |
593 | { |
594 | struct type *objtype = get_java_object_type (); | |
595 | if (objtype == NULL) | |
819844ad | 596 | return (2 * gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT); |
c906108c SS |
597 | else |
598 | return TYPE_LENGTH (objtype); | |
599 | } | |
600 | ||
601 | int | |
fba45db2 | 602 | is_object_type (struct type *type) |
c906108c SS |
603 | { |
604 | CHECK_TYPEDEF (type); | |
605 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
606 | { | |
607 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
608 | char *name; | |
609 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) | |
610 | return 0; | |
611 | while (TYPE_N_BASECLASSES (ttype) > 0) | |
612 | ttype = TYPE_BASECLASS (ttype, 0); | |
613 | name = TYPE_TAG_NAME (ttype); | |
614 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
615 | return 1; | |
c5aa993b | 616 | name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; |
c906108c SS |
617 | if (name != NULL && strcmp (name, "vtable") == 0) |
618 | { | |
619 | if (java_object_type == NULL) | |
620 | java_object_type = type; | |
621 | return 1; | |
622 | } | |
623 | } | |
624 | return 0; | |
625 | } | |
626 | ||
627 | struct type * | |
fba45db2 | 628 | java_primitive_type (int signature) |
c906108c SS |
629 | { |
630 | switch (signature) | |
631 | { | |
c5aa993b JM |
632 | case 'B': |
633 | return java_byte_type; | |
634 | case 'S': | |
635 | return java_short_type; | |
636 | case 'I': | |
637 | return java_int_type; | |
638 | case 'J': | |
639 | return java_long_type; | |
640 | case 'Z': | |
641 | return java_boolean_type; | |
642 | case 'C': | |
643 | return java_char_type; | |
644 | case 'F': | |
645 | return java_float_type; | |
646 | case 'D': | |
647 | return java_double_type; | |
648 | case 'V': | |
649 | return java_void_type; | |
c906108c | 650 | } |
8a3fe4f8 | 651 | error (_("unknown signature '%c' for primitive type"), (char) signature); |
c906108c SS |
652 | } |
653 | ||
654 | /* If name[0 .. namelen-1] is the name of a primitive Java type, | |
655 | return that type. Otherwise, return NULL. */ | |
656 | ||
657 | struct type * | |
fba45db2 | 658 | java_primitive_type_from_name (char *name, int namelen) |
c906108c SS |
659 | { |
660 | switch (name[0]) | |
661 | { | |
662 | case 'b': | |
663 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) | |
664 | return java_byte_type; | |
665 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) | |
666 | return java_boolean_type; | |
667 | break; | |
668 | case 'c': | |
669 | if (namelen == 4 && memcmp (name, "char", 4) == 0) | |
670 | return java_char_type; | |
671 | case 'd': | |
672 | if (namelen == 6 && memcmp (name, "double", 6) == 0) | |
673 | return java_double_type; | |
674 | break; | |
675 | case 'f': | |
676 | if (namelen == 5 && memcmp (name, "float", 5) == 0) | |
677 | return java_float_type; | |
678 | break; | |
679 | case 'i': | |
680 | if (namelen == 3 && memcmp (name, "int", 3) == 0) | |
681 | return java_int_type; | |
682 | break; | |
683 | case 'l': | |
684 | if (namelen == 4 && memcmp (name, "long", 4) == 0) | |
685 | return java_long_type; | |
686 | break; | |
687 | case 's': | |
688 | if (namelen == 5 && memcmp (name, "short", 5) == 0) | |
689 | return java_short_type; | |
690 | break; | |
691 | case 'v': | |
692 | if (namelen == 4 && memcmp (name, "void", 4) == 0) | |
693 | return java_void_type; | |
694 | break; | |
695 | } | |
696 | return NULL; | |
697 | } | |
698 | ||
699 | /* Return the length (in bytes) of demangled name of the Java type | |
700 | signature string SIGNATURE. */ | |
701 | ||
702 | static int | |
fba45db2 | 703 | java_demangled_signature_length (char *signature) |
c906108c SS |
704 | { |
705 | int array = 0; | |
c5aa993b JM |
706 | for (; *signature == '['; signature++) |
707 | array += 2; /* Two chars for "[]". */ | |
c906108c SS |
708 | switch (signature[0]) |
709 | { | |
710 | case 'L': | |
711 | /* Subtract 2 for 'L' and ';'. */ | |
712 | return strlen (signature) - 2 + array; | |
713 | default: | |
714 | return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array; | |
715 | } | |
716 | } | |
717 | ||
718 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ | |
719 | ||
720 | static void | |
fba45db2 | 721 | java_demangled_signature_copy (char *result, char *signature) |
c906108c SS |
722 | { |
723 | int array = 0; | |
724 | char *ptr; | |
725 | int i; | |
726 | while (*signature == '[') | |
727 | { | |
728 | array++; | |
729 | signature++; | |
730 | } | |
731 | switch (signature[0]) | |
732 | { | |
733 | case 'L': | |
734 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ | |
735 | signature++; | |
736 | ptr = result; | |
c5aa993b | 737 | for (; *signature != ';' && *signature != '\0'; signature++) |
c906108c SS |
738 | { |
739 | if (*signature == '/') | |
740 | *ptr++ = '.'; | |
741 | else | |
742 | *ptr++ = *signature; | |
743 | } | |
744 | break; | |
745 | default: | |
746 | ptr = TYPE_NAME (java_primitive_type (signature[0])); | |
747 | i = strlen (ptr); | |
748 | strcpy (result, ptr); | |
749 | ptr = result + i; | |
750 | break; | |
751 | } | |
752 | while (--array >= 0) | |
753 | { | |
754 | *ptr++ = '['; | |
755 | *ptr++ = ']'; | |
756 | } | |
757 | } | |
758 | ||
759 | /* Return the demangled name of the Java type signature string SIGNATURE, | |
760 | as a freshly allocated copy. */ | |
761 | ||
762 | char * | |
fba45db2 | 763 | java_demangle_type_signature (char *signature) |
c906108c SS |
764 | { |
765 | int length = java_demangled_signature_length (signature); | |
766 | char *result = xmalloc (length + 1); | |
767 | java_demangled_signature_copy (result, signature); | |
768 | result[length] = '\0'; | |
769 | return result; | |
770 | } | |
771 | ||
c906108c SS |
772 | /* Return the type of TYPE followed by DIMS pairs of [ ]. |
773 | If DIMS == 0, TYPE is returned. */ | |
774 | ||
775 | struct type * | |
fba45db2 | 776 | java_array_type (struct type *type, int dims) |
c906108c SS |
777 | { |
778 | struct type *range_type; | |
779 | ||
780 | while (dims-- > 0) | |
781 | { | |
782 | range_type = create_range_type (NULL, builtin_type_int, 0, 0); | |
783 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ | |
784 | type = create_array_type (NULL, type, range_type); | |
785 | } | |
786 | ||
787 | return type; | |
788 | } | |
789 | ||
790 | /* Create a Java string in the inferior from a (Utf8) literal. */ | |
791 | ||
75c9979e | 792 | static struct value * |
fba45db2 | 793 | java_value_string (char *ptr, int len) |
c906108c | 794 | { |
8a3fe4f8 | 795 | error (_("not implemented - java_value_string")); /* FIXME */ |
c906108c SS |
796 | } |
797 | ||
798 | /* Print the character C on STREAM as part of the contents of a literal | |
799 | string whose delimiter is QUOTER. Note that that format for printing | |
800 | characters and strings is language specific. */ | |
801 | ||
802 | static void | |
fba45db2 | 803 | java_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c SS |
804 | { |
805 | switch (c) | |
806 | { | |
807 | case '\\': | |
808 | case '\'': | |
809 | fprintf_filtered (stream, "\\%c", c); | |
810 | break; | |
811 | case '\b': | |
812 | fputs_filtered ("\\b", stream); | |
813 | break; | |
814 | case '\t': | |
815 | fputs_filtered ("\\t", stream); | |
816 | break; | |
817 | case '\n': | |
818 | fputs_filtered ("\\n", stream); | |
819 | break; | |
820 | case '\f': | |
821 | fputs_filtered ("\\f", stream); | |
822 | break; | |
823 | case '\r': | |
824 | fputs_filtered ("\\r", stream); | |
825 | break; | |
826 | default: | |
827 | if (isprint (c)) | |
828 | fputc_filtered (c, stream); | |
829 | else | |
830 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); | |
831 | break; | |
832 | } | |
833 | } | |
834 | ||
75c9979e | 835 | static struct value * |
f86f5ca3 PH |
836 | evaluate_subexp_java (struct type *expect_type, struct expression *exp, |
837 | int *pos, enum noside noside) | |
c906108c SS |
838 | { |
839 | int pc = *pos; | |
840 | int i; | |
841 | char *name; | |
842 | enum exp_opcode op = exp->elts[*pos].opcode; | |
75c9979e AC |
843 | struct value *arg1; |
844 | struct value *arg2; | |
c906108c SS |
845 | struct type *type; |
846 | switch (op) | |
847 | { | |
848 | case UNOP_IND: | |
849 | if (noside == EVAL_SKIP) | |
850 | goto standard; | |
851 | (*pos)++; | |
852 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
df407dfe | 853 | if (is_object_type (value_type (arg1))) |
c906108c SS |
854 | { |
855 | struct type *type; | |
856 | ||
857 | type = type_from_class (java_class_from_object (arg1)); | |
858 | arg1 = value_cast (lookup_pointer_type (type), arg1); | |
859 | } | |
860 | if (noside == EVAL_SKIP) | |
861 | goto nosideret; | |
862 | return value_ind (arg1); | |
863 | ||
864 | case BINOP_SUBSCRIPT: | |
865 | (*pos)++; | |
866 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
867 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
868 | if (noside == EVAL_SKIP) | |
869 | goto nosideret; | |
870 | /* If the user attempts to subscript something that is not an | |
c5aa993b JM |
871 | array or pointer type (like a plain int variable for example), |
872 | then report this as an error. */ | |
873 | ||
994b9211 | 874 | arg1 = coerce_ref (arg1); |
df407dfe | 875 | type = check_typedef (value_type (arg1)); |
c906108c SS |
876 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
877 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
878 | name = TYPE_NAME (type); | |
879 | if (name == NULL) | |
880 | name = TYPE_TAG_NAME (type); | |
881 | i = name == NULL ? 0 : strlen (name); | |
882 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 883 | && i > 2 && name[i - 1] == ']') |
c906108c SS |
884 | { |
885 | CORE_ADDR address; | |
886 | long length, index; | |
887 | struct type *el_type; | |
c68a6671 | 888 | gdb_byte buf4[4]; |
c906108c | 889 | |
75c9979e AC |
890 | struct value *clas = java_class_from_object (arg1); |
891 | struct value *temp = clas; | |
c906108c SS |
892 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
893 | temp = value_struct_elt (&temp, NULL, "methods", | |
c5aa993b | 894 | NULL, "structure"); |
04624583 | 895 | deprecated_set_value_type (temp, value_type (clas)); |
c906108c SS |
896 | el_type = type_from_class (temp); |
897 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) | |
898 | el_type = lookup_pointer_type (el_type); | |
899 | ||
900 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
901 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
1aa20aa8 | 902 | address = value_as_address (arg1); |
c906108c SS |
903 | address += JAVA_OBJECT_SIZE; |
904 | read_memory (address, buf4, 4); | |
905 | length = (long) extract_signed_integer (buf4, 4); | |
906 | index = (long) value_as_long (arg2); | |
907 | if (index >= length || index < 0) | |
8a3fe4f8 | 908 | error (_("array index (%ld) out of bounds (length: %ld)"), |
c906108c SS |
909 | index, length); |
910 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
00a4c844 | 911 | return value_at (el_type, address); |
c906108c SS |
912 | } |
913 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
914 | { | |
915 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
916 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
917 | else | |
918 | return value_subscript (arg1, arg2); | |
919 | } | |
920 | if (name) | |
8a3fe4f8 | 921 | error (_("cannot subscript something of type `%s'"), name); |
c906108c | 922 | else |
8a3fe4f8 | 923 | error (_("cannot subscript requested type")); |
c906108c SS |
924 | |
925 | case OP_STRING: | |
926 | (*pos)++; | |
927 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
928 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
929 | if (noside == EVAL_SKIP) | |
930 | goto nosideret; | |
931 | return java_value_string (&exp->elts[pc + 2].string, i); | |
932 | ||
dc5000e7 | 933 | case STRUCTOP_PTR: |
c906108c SS |
934 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); |
935 | /* Convert object field (such as TYPE.class) to reference. */ | |
df407dfe | 936 | if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT) |
c906108c SS |
937 | arg1 = value_addr (arg1); |
938 | return arg1; | |
939 | default: | |
940 | break; | |
941 | } | |
942 | standard: | |
943 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 944 | nosideret: |
c906108c SS |
945 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
946 | } | |
947 | ||
948 | static struct type * | |
fba45db2 | 949 | java_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
950 | { |
951 | switch (typeid) | |
952 | { | |
c5aa993b JM |
953 | case FT_VOID: |
954 | return java_void_type; | |
955 | case FT_BOOLEAN: | |
956 | return java_boolean_type; | |
957 | case FT_CHAR: | |
958 | return java_char_type; | |
959 | case FT_FLOAT: | |
960 | return java_float_type; | |
961 | case FT_DBL_PREC_FLOAT: | |
962 | return java_double_type; | |
963 | case FT_BYTE: | |
964 | case FT_SIGNED_CHAR: | |
965 | return java_byte_type; | |
966 | case FT_SHORT: | |
967 | case FT_SIGNED_SHORT: | |
968 | return java_short_type; | |
969 | case FT_INTEGER: | |
970 | case FT_SIGNED_INTEGER: | |
971 | return java_int_type; | |
972 | case FT_LONG: | |
973 | case FT_SIGNED_LONG: | |
974 | return java_long_type; | |
c906108c SS |
975 | } |
976 | return c_create_fundamental_type (objfile, typeid); | |
977 | } | |
978 | ||
9a3d7dfd AF |
979 | static char *java_demangle (const char *mangled, int options) |
980 | { | |
981 | return cplus_demangle (mangled, options | DMGL_JAVA); | |
982 | } | |
983 | ||
31c27f77 JJ |
984 | /* Find the member function name of the demangled name NAME. NAME |
985 | must be a method name including arguments, in order to correctly | |
986 | locate the last component. | |
987 | ||
988 | This function return a pointer to the first dot before the | |
989 | member function name, or NULL if the name was not of the | |
990 | expected form. */ | |
991 | ||
992 | static const char * | |
993 | java_find_last_component (const char *name) | |
994 | { | |
995 | const char *p; | |
996 | ||
997 | /* Find argument list. */ | |
998 | p = strchr (name, '('); | |
999 | ||
1000 | if (p == NULL) | |
1001 | return NULL; | |
1002 | ||
1003 | /* Back up and find first dot prior to argument list. */ | |
1004 | while (p > name && *p != '.') | |
1005 | p--; | |
1006 | ||
1007 | if (p == name) | |
1008 | return NULL; | |
1009 | ||
1010 | return p; | |
1011 | } | |
1012 | ||
1013 | /* Return the name of the class containing method PHYSNAME. */ | |
1014 | ||
1015 | static char * | |
1016 | java_class_name_from_physname (const char *physname) | |
1017 | { | |
1018 | char *ret = NULL; | |
1019 | const char *end; | |
1020 | int depth = 0; | |
1021 | char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI); | |
1022 | ||
1023 | if (demangled_name == NULL) | |
1024 | return NULL; | |
1025 | ||
1026 | end = java_find_last_component (demangled_name); | |
1027 | if (end != NULL) | |
1028 | { | |
1029 | ret = xmalloc (end - demangled_name + 1); | |
1030 | memcpy (ret, demangled_name, end - demangled_name); | |
1031 | ret[end - demangled_name] = '\0'; | |
1032 | } | |
1033 | ||
1034 | xfree (demangled_name); | |
1035 | return ret; | |
1036 | } | |
9a3d7dfd | 1037 | |
c906108c SS |
1038 | /* Table mapping opcodes into strings for printing operators |
1039 | and precedences of the operators. */ | |
1040 | ||
1041 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
1042 | { |
1043 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
1044 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
1045 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1046 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1047 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1048 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1049 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1050 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1051 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1052 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1053 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1054 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1055 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1056 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1057 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c906108c | 1058 | #if 0 |
c5aa993b | 1059 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
c906108c | 1060 | #endif |
c5aa993b JM |
1061 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1062 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1063 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1064 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1065 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1066 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1067 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1068 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1069 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c906108c | 1070 | #if 0 |
c5aa993b | 1071 | {"instanceof", ? ? ?, ? ? ?, 0}, |
c906108c | 1072 | #endif |
c5aa993b JM |
1073 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1074 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
1075 | {NULL, 0, 0, 0} | |
c906108c SS |
1076 | }; |
1077 | ||
5f9769d1 PH |
1078 | const struct exp_descriptor exp_descriptor_java = |
1079 | { | |
1080 | print_subexp_standard, | |
1081 | operator_length_standard, | |
1082 | op_name_standard, | |
1083 | dump_subexp_body_standard, | |
1084 | evaluate_subexp_java | |
1085 | }; | |
1086 | ||
c5aa993b JM |
1087 | const struct language_defn java_language_defn = |
1088 | { | |
1089 | "java", /* Language name */ | |
c906108c | 1090 | language_java, |
e9667a65 | 1091 | NULL, |
c906108c SS |
1092 | range_check_off, |
1093 | type_check_off, | |
63872f9d | 1094 | case_sensitive_on, |
7ca2d3a3 | 1095 | array_row_major, |
5f9769d1 | 1096 | &exp_descriptor_java, |
c906108c SS |
1097 | java_parse, |
1098 | java_error, | |
e85c3284 | 1099 | null_post_parser, |
c906108c SS |
1100 | c_printchar, /* Print a character constant */ |
1101 | c_printstr, /* Function to print string constant */ | |
1102 | java_emit_char, /* Function to print a single character */ | |
1103 | java_create_fundamental_type, /* Create fundamental type in this language */ | |
1104 | java_print_type, /* Print a type using appropriate syntax */ | |
1105 | java_val_print, /* Print a value using appropriate syntax */ | |
1106 | java_value_print, /* Print a top-level value */ | |
f636b87d | 1107 | NULL, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
1108 | value_of_this, /* value_of_this */ |
1109 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 1110 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1111 | java_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1112 | java_class_name_from_physname,/* Language specific class name */ |
c906108c SS |
1113 | java_op_print_tab, /* expression operators for printing */ |
1114 | 0, /* not c-style arrays */ | |
1115 | 0, /* String lower bound */ | |
e9667a65 | 1116 | NULL, |
6084f43a | 1117 | default_word_break_characters, |
e9667a65 | 1118 | c_language_arch_info, |
e79af960 | 1119 | default_print_array_index, |
c906108c SS |
1120 | LANG_MAGIC |
1121 | }; | |
1122 | ||
1123 | void | |
fba45db2 | 1124 | _initialize_java_language (void) |
c906108c SS |
1125 | { |
1126 | ||
c5aa993b JM |
1127 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL); |
1128 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL); | |
1129 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL); | |
1130 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL); | |
1131 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL); | |
1132 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL); | |
1133 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL); | |
1134 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL); | |
1135 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL); | |
c906108c SS |
1136 | |
1137 | add_language (&java_language_defn); | |
1138 | } | |
1139 | ||
1140 | /* Cleanup code that should be run on every "run". | |
1141 | We should use make_run_cleanup to have this be called. | |
1142 | But will that mess up values in value histry? FIXME */ | |
1143 | ||
a14ed312 | 1144 | extern void java_rerun_cleanup (void); |
392a587b | 1145 | void |
fba45db2 | 1146 | java_rerun_cleanup (void) |
c906108c SS |
1147 | { |
1148 | if (class_symtab != NULL) | |
1149 | { | |
c5aa993b | 1150 | free_symtab (class_symtab); /* ??? */ |
c906108c SS |
1151 | class_symtab = NULL; |
1152 | } | |
1153 | if (dynamics_objfile != NULL) | |
1154 | { | |
1155 | free_objfile (dynamics_objfile); | |
1156 | dynamics_objfile = NULL; | |
1157 | } | |
1158 | ||
1159 | java_object_type = NULL; | |
1160 | } |