Commit | Line | Data |
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c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
b6ba6518 | 2 | Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | #include "defs.h" | |
22 | #include "symtab.h" | |
23 | #include "gdbtypes.h" | |
24 | #include "expression.h" | |
25 | #include "parser-defs.h" | |
26 | #include "language.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "symtab.h" | |
29 | #include "symfile.h" | |
30 | #include "objfiles.h" | |
31 | #include "gdb_string.h" | |
32 | #include "value.h" | |
33 | #include "c-lang.h" | |
34 | #include "jv-lang.h" | |
35 | #include "gdbcore.h" | |
36 | #include <ctype.h> | |
37 | ||
38 | struct type *java_int_type; | |
39 | struct type *java_byte_type; | |
40 | struct type *java_short_type; | |
41 | struct type *java_long_type; | |
42 | struct type *java_boolean_type; | |
43 | struct type *java_char_type; | |
44 | struct type *java_float_type; | |
45 | struct type *java_double_type; | |
46 | struct type *java_void_type; | |
47 | ||
392a587b JM |
48 | /* Local functions */ |
49 | ||
a14ed312 | 50 | extern void _initialize_java_language (void); |
392a587b | 51 | |
a14ed312 KB |
52 | static int java_demangled_signature_length (char *); |
53 | static void java_demangled_signature_copy (char *, char *); | |
c906108c | 54 | |
a14ed312 | 55 | static struct symtab *get_java_class_symtab (void); |
75c9979e AC |
56 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
57 | static int java_class_is_primitive (struct value *clas); | |
a14ed312 | 58 | static struct type *java_lookup_type (char *signature); |
75c9979e | 59 | static struct value *java_value_string (char *ptr, int len); |
392a587b | 60 | |
d9fcf2fb | 61 | static void java_emit_char (int c, struct ui_file * stream, int quoter); |
c906108c SS |
62 | |
63 | /* This objfile contains symtabs that have been dynamically created | |
64 | to record dynamically loaded Java classes and dynamically | |
65 | compiled java methods. */ | |
66 | ||
67 | static struct objfile *dynamics_objfile = NULL; | |
68 | ||
75c9979e | 69 | static struct type *java_link_class_type (struct type *, struct value *); |
c906108c SS |
70 | |
71 | static struct objfile * | |
fba45db2 | 72 | get_dynamics_objfile (void) |
c906108c SS |
73 | { |
74 | if (dynamics_objfile == NULL) | |
75 | { | |
2df3850c | 76 | dynamics_objfile = allocate_objfile (NULL, 0); |
c906108c SS |
77 | } |
78 | return dynamics_objfile; | |
79 | } | |
80 | ||
81 | #if 1 | |
82 | /* symtab contains classes read from the inferior. */ | |
83 | ||
84 | static struct symtab *class_symtab = NULL; | |
85 | ||
86 | /* Maximum number of class in class_symtab before relocation is needed. */ | |
87 | ||
88 | static int class_symtab_space; | |
89 | ||
392a587b | 90 | static struct symtab * |
fba45db2 | 91 | get_java_class_symtab (void) |
c906108c SS |
92 | { |
93 | if (class_symtab == NULL) | |
94 | { | |
c5aa993b | 95 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
96 | struct blockvector *bv; |
97 | struct block *bl; | |
98 | class_symtab = allocate_symtab ("<java-classes>", objfile); | |
99 | class_symtab->language = language_java; | |
100 | bv = (struct blockvector *) | |
101 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct blockvector)); | |
102 | BLOCKVECTOR_NBLOCKS (bv) = 1; | |
103 | BLOCKVECTOR (class_symtab) = bv; | |
104 | ||
105 | /* Allocate dummy STATIC_BLOCK. */ | |
106 | bl = (struct block *) | |
107 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct block)); | |
108 | BLOCK_NSYMS (bl) = 0; | |
261397f8 | 109 | BLOCK_HASHTABLE (bl) = 0; |
c906108c SS |
110 | BLOCK_START (bl) = 0; |
111 | BLOCK_END (bl) = 0; | |
112 | BLOCK_FUNCTION (bl) = NULL; | |
113 | BLOCK_SUPERBLOCK (bl) = NULL; | |
114 | BLOCK_GCC_COMPILED (bl) = 0; | |
115 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; | |
116 | ||
117 | /* Allocate GLOBAL_BLOCK. This has to be relocatable. */ | |
118 | class_symtab_space = 128; | |
753edfef AC |
119 | bl = xmmalloc (objfile->md, |
120 | sizeof (struct block) | |
121 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
c906108c SS |
122 | *bl = *BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
123 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; | |
124 | class_symtab->free_ptr = (char *) bl; | |
125 | } | |
126 | return class_symtab; | |
127 | } | |
128 | ||
129 | static void | |
fba45db2 | 130 | add_class_symtab_symbol (struct symbol *sym) |
c906108c SS |
131 | { |
132 | struct symtab *symtab = get_java_class_symtab (); | |
133 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
134 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
135 | if (BLOCK_NSYMS (bl) >= class_symtab_space) | |
136 | { | |
137 | /* Need to re-allocate. */ | |
138 | class_symtab_space *= 2; | |
4c178295 AC |
139 | bl = xmrealloc (symtab->objfile->md, bl, |
140 | sizeof (struct block) | |
141 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
c906108c SS |
142 | class_symtab->free_ptr = (char *) bl; |
143 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; | |
144 | } | |
c5aa993b | 145 | |
c906108c SS |
146 | BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym; |
147 | BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1; | |
148 | } | |
149 | ||
a14ed312 | 150 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
c906108c SS |
151 | |
152 | static struct symbol * | |
fba45db2 | 153 | add_class_symbol (struct type *type, CORE_ADDR addr) |
c906108c SS |
154 | { |
155 | struct symbol *sym; | |
156 | sym = (struct symbol *) | |
157 | obstack_alloc (&dynamics_objfile->symbol_obstack, sizeof (struct symbol)); | |
158 | memset (sym, 0, sizeof (struct symbol)); | |
159 | SYMBOL_LANGUAGE (sym) = language_java; | |
160 | SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); | |
161 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; | |
c5aa993b | 162 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c SS |
163 | SYMBOL_TYPE (sym) = type; |
164 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; | |
165 | SYMBOL_VALUE_ADDRESS (sym) = addr; | |
166 | return sym; | |
167 | } | |
168 | #endif | |
169 | ||
170 | struct type * | |
fba45db2 | 171 | java_lookup_class (char *name) |
c906108c SS |
172 | { |
173 | struct symbol *sym; | |
174 | sym = lookup_symbol (name, expression_context_block, STRUCT_NAMESPACE, | |
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); | |
c5aa993b | 194 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->type_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); | |
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'; | |
d4b2399a | 220 | read_memory (data_addr, 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 SS |
230 | |
231 | if (TYPE_CODE (VALUE_TYPE (obj_val)) == TYPE_CODE_PTR | |
232 | && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val))) == 0) | |
233 | obj_val = value_at (get_java_object_type (), | |
1aa20aa8 | 234 | value_as_address (obj_val), NULL); |
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; | |
262 | int i; | |
263 | int is_array = 0; | |
264 | ||
265 | type = check_typedef (VALUE_TYPE (clas)); | |
266 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
267 | { | |
268 | if (value_logical_not (clas)) | |
269 | return NULL; | |
270 | clas = value_ind (clas); | |
271 | } | |
272 | addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas); | |
273 | ||
274 | #if 0 | |
275 | get_java_class_symtab (); | |
276 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); | |
c5aa993b | 277 | for (i = BLOCK_NSYMS (bl); --i >= 0;) |
c906108c SS |
278 | { |
279 | struct symbol *sym = BLOCK_SYM (bl, i); | |
280 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) | |
281 | return SYMBOL_TYPE (sym); | |
282 | } | |
283 | #endif | |
284 | ||
c5aa993b | 285 | objfile = get_dynamics_objfile (); |
c906108c SS |
286 | if (java_class_is_primitive (clas)) |
287 | { | |
75c9979e | 288 | struct value *sig; |
c906108c SS |
289 | temp = clas; |
290 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
291 | return java_primitive_type (value_as_long (sig)); | |
292 | } | |
293 | ||
294 | /* Get Class name. */ | |
295 | /* if clasloader non-null, prepend loader address. FIXME */ | |
296 | temp = clas; | |
297 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
298 | name = get_java_utf8_name (&objfile->type_obstack, utf8_name); | |
c5aa993b | 299 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
300 | { |
301 | if (*nptr == '/') | |
302 | *nptr = '.'; | |
303 | } | |
304 | ||
305 | type = java_lookup_class (name); | |
306 | if (type != NULL) | |
307 | return type; | |
308 | ||
309 | type = alloc_type (objfile); | |
310 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
311 | INIT_CPLUS_SPECIFIC (type); | |
312 | ||
313 | if (name[0] == '[') | |
314 | { | |
315 | char *signature = name; | |
316 | int namelen = java_demangled_signature_length (signature); | |
317 | if (namelen > strlen (name)) | |
c5aa993b | 318 | name = obstack_alloc (&objfile->type_obstack, namelen + 1); |
c906108c SS |
319 | java_demangled_signature_copy (name, signature); |
320 | name[namelen] = '\0'; | |
321 | is_array = 1; | |
322 | temp = clas; | |
323 | /* Set array element type. */ | |
324 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
325 | VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas)); | |
326 | TYPE_TARGET_TYPE (type) = type_from_class (temp); | |
327 | } | |
328 | ||
329 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
330 | TYPE_TAG_NAME (type) = name; | |
331 | ||
332 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
333 | return java_link_class_type (type, clas); | |
334 | } | |
335 | ||
c5aa993b | 336 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c SS |
337 | |
338 | struct type * | |
75c9979e | 339 | java_link_class_type (struct type *type, struct value *clas) |
c906108c | 340 | { |
75c9979e | 341 | struct value *temp; |
c906108c SS |
342 | char *unqualified_name; |
343 | char *name = TYPE_TAG_NAME (type); | |
344 | int ninterfaces, nfields, nmethods; | |
345 | int type_is_object = 0; | |
346 | struct fn_field *fn_fields; | |
347 | struct fn_fieldlist *fn_fieldlists; | |
75c9979e AC |
348 | struct value *fields; |
349 | struct value *methods; | |
c65ecaf3 AC |
350 | struct value *method = NULL; |
351 | struct value *field = NULL; | |
c906108c | 352 | int i, j; |
c5aa993b | 353 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
354 | struct type *tsuper; |
355 | ||
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"); | |
362 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
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 SS |
427 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), |
428 | VALUE_ADDRESS (clas) + VALUE_OFFSET (clas)); | |
429 | TYPE_FIELD_NAME (type, nfields) = "class"; | |
430 | TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas); | |
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. */ |
c906108c SS |
445 | VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field)); |
446 | VALUE_LAZY (field) = 1; | |
447 | } | |
448 | temp = field; | |
449 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
450 | TYPE_FIELD_NAME (type, i) = | |
451 | get_java_utf8_name (&objfile->type_obstack, temp); | |
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 *) |
c906108c SS |
497 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
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. */ |
c906108c SS |
515 | VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method)); |
516 | VALUE_LAZY (method) = 1; | |
517 | } | |
518 | ||
519 | /* Get method name. */ | |
520 | temp = method; | |
521 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
522 | mname = get_java_utf8_name (&objfile->type_obstack, temp); | |
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) | |
547 | obstack_free (&objfile->type_obstack, mname); | |
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 *) | |
c906108c SS |
568 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
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; | |
582 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_NAMESPACE, | |
583 | (int *) 0, (struct symtab **) NULL); | |
584 | if (sym == NULL) | |
585 | error ("cannot find java.lang.Object"); | |
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) | |
596 | return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT); | |
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 SS |
650 | } |
651 | error ("unknown signature '%c' for primitive type", (char) signature); | |
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 | ||
772 | struct type * | |
fba45db2 | 773 | java_lookup_type (char *signature) |
c906108c SS |
774 | { |
775 | switch (signature[0]) | |
776 | { | |
777 | case 'L': | |
778 | case '[': | |
779 | error ("java_lookup_type not fully implemented"); | |
780 | default: | |
781 | return java_primitive_type (signature[0]); | |
782 | } | |
783 | } | |
784 | ||
785 | /* Return the type of TYPE followed by DIMS pairs of [ ]. | |
786 | If DIMS == 0, TYPE is returned. */ | |
787 | ||
788 | struct type * | |
fba45db2 | 789 | java_array_type (struct type *type, int dims) |
c906108c SS |
790 | { |
791 | struct type *range_type; | |
792 | ||
793 | while (dims-- > 0) | |
794 | { | |
795 | range_type = create_range_type (NULL, builtin_type_int, 0, 0); | |
796 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ | |
797 | type = create_array_type (NULL, type, range_type); | |
798 | } | |
799 | ||
800 | return type; | |
801 | } | |
802 | ||
803 | /* Create a Java string in the inferior from a (Utf8) literal. */ | |
804 | ||
75c9979e | 805 | static struct value * |
fba45db2 | 806 | java_value_string (char *ptr, int len) |
c906108c | 807 | { |
c5aa993b | 808 | error ("not implemented - java_value_string"); /* FIXME */ |
c906108c SS |
809 | } |
810 | ||
811 | /* Print the character C on STREAM as part of the contents of a literal | |
812 | string whose delimiter is QUOTER. Note that that format for printing | |
813 | characters and strings is language specific. */ | |
814 | ||
815 | static void | |
fba45db2 | 816 | java_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c SS |
817 | { |
818 | switch (c) | |
819 | { | |
820 | case '\\': | |
821 | case '\'': | |
822 | fprintf_filtered (stream, "\\%c", c); | |
823 | break; | |
824 | case '\b': | |
825 | fputs_filtered ("\\b", stream); | |
826 | break; | |
827 | case '\t': | |
828 | fputs_filtered ("\\t", stream); | |
829 | break; | |
830 | case '\n': | |
831 | fputs_filtered ("\\n", stream); | |
832 | break; | |
833 | case '\f': | |
834 | fputs_filtered ("\\f", stream); | |
835 | break; | |
836 | case '\r': | |
837 | fputs_filtered ("\\r", stream); | |
838 | break; | |
839 | default: | |
840 | if (isprint (c)) | |
841 | fputc_filtered (c, stream); | |
842 | else | |
843 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); | |
844 | break; | |
845 | } | |
846 | } | |
847 | ||
75c9979e | 848 | static struct value * |
fba45db2 KB |
849 | evaluate_subexp_java (struct type *expect_type, register struct expression *exp, |
850 | register int *pos, enum noside noside) | |
c906108c SS |
851 | { |
852 | int pc = *pos; | |
853 | int i; | |
854 | char *name; | |
855 | enum exp_opcode op = exp->elts[*pos].opcode; | |
75c9979e AC |
856 | struct value *arg1; |
857 | struct value *arg2; | |
c906108c SS |
858 | struct type *type; |
859 | switch (op) | |
860 | { | |
861 | case UNOP_IND: | |
862 | if (noside == EVAL_SKIP) | |
863 | goto standard; | |
864 | (*pos)++; | |
865 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
866 | if (is_object_type (VALUE_TYPE (arg1))) | |
867 | { | |
868 | struct type *type; | |
869 | ||
870 | type = type_from_class (java_class_from_object (arg1)); | |
871 | arg1 = value_cast (lookup_pointer_type (type), arg1); | |
872 | } | |
873 | if (noside == EVAL_SKIP) | |
874 | goto nosideret; | |
875 | return value_ind (arg1); | |
876 | ||
877 | case BINOP_SUBSCRIPT: | |
878 | (*pos)++; | |
879 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
880 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
881 | if (noside == EVAL_SKIP) | |
882 | goto nosideret; | |
883 | /* If the user attempts to subscript something that is not an | |
c5aa993b JM |
884 | array or pointer type (like a plain int variable for example), |
885 | then report this as an error. */ | |
886 | ||
c906108c SS |
887 | COERCE_REF (arg1); |
888 | type = check_typedef (VALUE_TYPE (arg1)); | |
889 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
890 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
891 | name = TYPE_NAME (type); | |
892 | if (name == NULL) | |
893 | name = TYPE_TAG_NAME (type); | |
894 | i = name == NULL ? 0 : strlen (name); | |
895 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 896 | && i > 2 && name[i - 1] == ']') |
c906108c SS |
897 | { |
898 | CORE_ADDR address; | |
899 | long length, index; | |
900 | struct type *el_type; | |
901 | char buf4[4]; | |
902 | ||
75c9979e AC |
903 | struct value *clas = java_class_from_object (arg1); |
904 | struct value *temp = clas; | |
c906108c SS |
905 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
906 | temp = value_struct_elt (&temp, NULL, "methods", | |
c5aa993b | 907 | NULL, "structure"); |
c906108c SS |
908 | VALUE_TYPE (temp) = VALUE_TYPE (clas); |
909 | el_type = type_from_class (temp); | |
910 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) | |
911 | el_type = lookup_pointer_type (el_type); | |
912 | ||
913 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
914 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
1aa20aa8 | 915 | address = value_as_address (arg1); |
c906108c SS |
916 | address += JAVA_OBJECT_SIZE; |
917 | read_memory (address, buf4, 4); | |
918 | length = (long) extract_signed_integer (buf4, 4); | |
919 | index = (long) value_as_long (arg2); | |
920 | if (index >= length || index < 0) | |
921 | error ("array index (%ld) out of bounds (length: %ld)", | |
922 | index, length); | |
923 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
924 | return value_at (el_type, address, NULL); | |
925 | } | |
926 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
927 | { | |
928 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
929 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
930 | else | |
931 | return value_subscript (arg1, arg2); | |
932 | } | |
933 | if (name) | |
934 | error ("cannot subscript something of type `%s'", name); | |
935 | else | |
936 | error ("cannot subscript requested type"); | |
937 | ||
938 | case OP_STRING: | |
939 | (*pos)++; | |
940 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
941 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
942 | if (noside == EVAL_SKIP) | |
943 | goto nosideret; | |
944 | return java_value_string (&exp->elts[pc + 2].string, i); | |
945 | ||
946 | case STRUCTOP_STRUCT: | |
947 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); | |
948 | /* Convert object field (such as TYPE.class) to reference. */ | |
949 | if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT) | |
950 | arg1 = value_addr (arg1); | |
951 | return arg1; | |
952 | default: | |
953 | break; | |
954 | } | |
955 | standard: | |
956 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 957 | nosideret: |
c906108c SS |
958 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
959 | } | |
960 | ||
961 | static struct type * | |
fba45db2 | 962 | java_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
963 | { |
964 | switch (typeid) | |
965 | { | |
c5aa993b JM |
966 | case FT_VOID: |
967 | return java_void_type; | |
968 | case FT_BOOLEAN: | |
969 | return java_boolean_type; | |
970 | case FT_CHAR: | |
971 | return java_char_type; | |
972 | case FT_FLOAT: | |
973 | return java_float_type; | |
974 | case FT_DBL_PREC_FLOAT: | |
975 | return java_double_type; | |
976 | case FT_BYTE: | |
977 | case FT_SIGNED_CHAR: | |
978 | return java_byte_type; | |
979 | case FT_SHORT: | |
980 | case FT_SIGNED_SHORT: | |
981 | return java_short_type; | |
982 | case FT_INTEGER: | |
983 | case FT_SIGNED_INTEGER: | |
984 | return java_int_type; | |
985 | case FT_LONG: | |
986 | case FT_SIGNED_LONG: | |
987 | return java_long_type; | |
c906108c SS |
988 | } |
989 | return c_create_fundamental_type (objfile, typeid); | |
990 | } | |
991 | ||
992 | /* Table mapping opcodes into strings for printing operators | |
993 | and precedences of the operators. */ | |
994 | ||
995 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
996 | { |
997 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
998 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
999 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1000 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1001 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1002 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1003 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1004 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1005 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1006 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1007 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1008 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1009 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1010 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1011 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c906108c | 1012 | #if 0 |
c5aa993b | 1013 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
c906108c | 1014 | #endif |
c5aa993b JM |
1015 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1016 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1017 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1018 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1019 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1020 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1021 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1022 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1023 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c906108c | 1024 | #if 0 |
c5aa993b | 1025 | {"instanceof", ? ? ?, ? ? ?, 0}, |
c906108c | 1026 | #endif |
c5aa993b JM |
1027 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1028 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
1029 | {NULL, 0, 0, 0} | |
c906108c SS |
1030 | }; |
1031 | ||
c5aa993b JM |
1032 | const struct language_defn java_language_defn = |
1033 | { | |
1034 | "java", /* Language name */ | |
c906108c SS |
1035 | language_java, |
1036 | c_builtin_types, | |
1037 | range_check_off, | |
1038 | type_check_off, | |
63872f9d | 1039 | case_sensitive_on, |
c906108c SS |
1040 | java_parse, |
1041 | java_error, | |
1042 | evaluate_subexp_java, | |
1043 | c_printchar, /* Print a character constant */ | |
1044 | c_printstr, /* Function to print string constant */ | |
1045 | java_emit_char, /* Function to print a single character */ | |
1046 | java_create_fundamental_type, /* Create fundamental type in this language */ | |
1047 | java_print_type, /* Print a type using appropriate syntax */ | |
1048 | java_val_print, /* Print a value using appropriate syntax */ | |
1049 | java_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1050 | {"", "", "", ""}, /* Binary format info */ |
1051 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1052 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1053 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1054 | java_op_print_tab, /* expression operators for printing */ |
1055 | 0, /* not c-style arrays */ | |
1056 | 0, /* String lower bound */ | |
c5aa993b | 1057 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1058 | LANG_MAGIC |
1059 | }; | |
1060 | ||
1061 | void | |
fba45db2 | 1062 | _initialize_java_language (void) |
c906108c SS |
1063 | { |
1064 | ||
c5aa993b JM |
1065 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL); |
1066 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL); | |
1067 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL); | |
1068 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL); | |
1069 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL); | |
1070 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL); | |
1071 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL); | |
1072 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL); | |
1073 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL); | |
c906108c SS |
1074 | |
1075 | add_language (&java_language_defn); | |
1076 | } | |
1077 | ||
1078 | /* Cleanup code that should be run on every "run". | |
1079 | We should use make_run_cleanup to have this be called. | |
1080 | But will that mess up values in value histry? FIXME */ | |
1081 | ||
a14ed312 | 1082 | extern void java_rerun_cleanup (void); |
392a587b | 1083 | void |
fba45db2 | 1084 | java_rerun_cleanup (void) |
c906108c SS |
1085 | { |
1086 | if (class_symtab != NULL) | |
1087 | { | |
c5aa993b | 1088 | free_symtab (class_symtab); /* ??? */ |
c906108c SS |
1089 | class_symtab = NULL; |
1090 | } | |
1091 | if (dynamics_objfile != NULL) | |
1092 | { | |
1093 | free_objfile (dynamics_objfile); | |
1094 | dynamics_objfile = NULL; | |
1095 | } | |
1096 | ||
1097 | java_object_type = NULL; | |
1098 | } |