Commit | Line | Data |
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c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
d9fcf2fb | 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 KB |
55 | static struct symtab *get_java_class_symtab (void); |
56 | static char *get_java_utf8_name (struct obstack *obstack, value_ptr name); | |
57 | static int java_class_is_primitive (value_ptr clas); | |
58 | static struct type *java_lookup_type (char *signature); | |
59 | static value_ptr 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 | ||
a14ed312 | 69 | static struct type *java_link_class_type (struct type *, value_ptr); |
c906108c SS |
70 | |
71 | static struct objfile * | |
72 | get_dynamics_objfile () | |
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 * |
c906108c SS |
91 | get_java_class_symtab () |
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; | |
109 | BLOCK_START (bl) = 0; | |
110 | BLOCK_END (bl) = 0; | |
111 | BLOCK_FUNCTION (bl) = NULL; | |
112 | BLOCK_SUPERBLOCK (bl) = NULL; | |
113 | BLOCK_GCC_COMPILED (bl) = 0; | |
114 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; | |
115 | ||
116 | /* Allocate GLOBAL_BLOCK. This has to be relocatable. */ | |
117 | class_symtab_space = 128; | |
118 | bl = (struct block *) | |
119 | mmalloc (objfile->md, | |
120 | sizeof (struct block) | |
121 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
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 | |
130 | add_class_symtab_symbol (sym) | |
131 | struct symbol *sym; | |
132 | { | |
133 | struct symtab *symtab = get_java_class_symtab (); | |
134 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
135 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
136 | if (BLOCK_NSYMS (bl) >= class_symtab_space) | |
137 | { | |
138 | /* Need to re-allocate. */ | |
139 | class_symtab_space *= 2; | |
140 | bl = (struct block *) | |
141 | mrealloc (symtab->objfile->md, bl, | |
142 | sizeof (struct block) | |
143 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
144 | class_symtab->free_ptr = (char *) bl; | |
145 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; | |
146 | } | |
c5aa993b | 147 | |
c906108c SS |
148 | BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym; |
149 | BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1; | |
150 | } | |
151 | ||
a14ed312 | 152 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
c906108c SS |
153 | |
154 | static struct symbol * | |
155 | add_class_symbol (type, addr) | |
156 | struct type *type; | |
157 | CORE_ADDR addr; | |
158 | { | |
159 | struct symbol *sym; | |
160 | sym = (struct symbol *) | |
161 | obstack_alloc (&dynamics_objfile->symbol_obstack, sizeof (struct symbol)); | |
162 | memset (sym, 0, sizeof (struct symbol)); | |
163 | SYMBOL_LANGUAGE (sym) = language_java; | |
164 | SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); | |
165 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; | |
c5aa993b | 166 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c SS |
167 | SYMBOL_TYPE (sym) = type; |
168 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; | |
169 | SYMBOL_VALUE_ADDRESS (sym) = addr; | |
170 | return sym; | |
171 | } | |
172 | #endif | |
173 | ||
174 | struct type * | |
175 | java_lookup_class (name) | |
176 | char *name; | |
177 | { | |
178 | struct symbol *sym; | |
179 | sym = lookup_symbol (name, expression_context_block, STRUCT_NAMESPACE, | |
180 | (int *) 0, (struct symtab **) NULL); | |
181 | if (sym != NULL) | |
182 | return SYMBOL_TYPE (sym); | |
183 | #if 0 | |
184 | CORE_ADDR addr; | |
185 | if (called from parser) | |
186 | { | |
187 | call lookup_class (or similar) in inferior; | |
c5aa993b JM |
188 | if not |
189 | found: | |
c906108c SS |
190 | return NULL; |
191 | addr = found in inferior; | |
192 | } | |
193 | else | |
194 | addr = 0; | |
195 | struct type *type; | |
196 | type = alloc_type (objfile); | |
197 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
198 | INIT_CPLUS_SPECIFIC (type); | |
c5aa993b | 199 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->type_obstack); |
c906108c SS |
200 | TYPE_FLAGS (type) |= TYPE_FLAG_STUB; |
201 | TYPE ? = addr; | |
202 | return type; | |
203 | #else | |
204 | /* FIXME - should search inferior's symbol table. */ | |
205 | return NULL; | |
206 | #endif | |
207 | } | |
208 | ||
209 | /* Return a nul-terminated string (allocated on OBSTACK) for | |
210 | a name given by NAME (which has type Utf8Const*). */ | |
211 | ||
212 | char * | |
213 | get_java_utf8_name (obstack, name) | |
214 | struct obstack *obstack; | |
215 | value_ptr name; | |
216 | { | |
217 | char *chrs; | |
218 | value_ptr temp = name; | |
219 | int name_length; | |
220 | CORE_ADDR data_addr; | |
221 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); | |
222 | name_length = (int) value_as_long (temp); | |
223 | data_addr = VALUE_ADDRESS (temp) + VALUE_OFFSET (temp) | |
224 | + TYPE_LENGTH (VALUE_TYPE (temp)); | |
c5aa993b JM |
225 | chrs = obstack_alloc (obstack, name_length + 1); |
226 | chrs[name_length] = '\0'; | |
d4b2399a | 227 | read_memory (data_addr, chrs, name_length); |
c906108c SS |
228 | return chrs; |
229 | } | |
230 | ||
231 | value_ptr | |
232 | java_class_from_object (obj_val) | |
233 | value_ptr obj_val; | |
234 | { | |
235 | /* This is all rather inefficient, since the offsets of vtable and | |
236 | class are fixed. FIXME */ | |
237 | value_ptr vtable_val; | |
238 | ||
239 | if (TYPE_CODE (VALUE_TYPE (obj_val)) == TYPE_CODE_PTR | |
240 | && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val))) == 0) | |
241 | obj_val = value_at (get_java_object_type (), | |
242 | value_as_pointer (obj_val), NULL); | |
243 | ||
244 | vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure"); | |
245 | return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure"); | |
246 | } | |
247 | ||
248 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ | |
392a587b | 249 | static int |
c906108c SS |
250 | java_class_is_primitive (clas) |
251 | value_ptr clas; | |
252 | { | |
253 | value_ptr vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct"); | |
254 | CORE_ADDR i = value_as_pointer (vtable); | |
255 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; | |
256 | } | |
257 | ||
258 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ | |
259 | ||
260 | struct type * | |
261 | type_from_class (clas) | |
262 | value_ptr clas; | |
263 | { | |
264 | struct type *type; | |
265 | char *name; | |
266 | value_ptr temp; | |
267 | struct objfile *objfile; | |
268 | value_ptr utf8_name; | |
269 | char *nptr; | |
270 | CORE_ADDR addr; | |
271 | struct block *bl; | |
272 | int i; | |
273 | int is_array = 0; | |
274 | ||
275 | type = check_typedef (VALUE_TYPE (clas)); | |
276 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
277 | { | |
278 | if (value_logical_not (clas)) | |
279 | return NULL; | |
280 | clas = value_ind (clas); | |
281 | } | |
282 | addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas); | |
283 | ||
284 | #if 0 | |
285 | get_java_class_symtab (); | |
286 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); | |
c5aa993b | 287 | for (i = BLOCK_NSYMS (bl); --i >= 0;) |
c906108c SS |
288 | { |
289 | struct symbol *sym = BLOCK_SYM (bl, i); | |
290 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) | |
291 | return SYMBOL_TYPE (sym); | |
292 | } | |
293 | #endif | |
294 | ||
c5aa993b | 295 | objfile = get_dynamics_objfile (); |
c906108c SS |
296 | if (java_class_is_primitive (clas)) |
297 | { | |
298 | value_ptr sig; | |
299 | temp = clas; | |
300 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
301 | return java_primitive_type (value_as_long (sig)); | |
302 | } | |
303 | ||
304 | /* Get Class name. */ | |
305 | /* if clasloader non-null, prepend loader address. FIXME */ | |
306 | temp = clas; | |
307 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
308 | name = get_java_utf8_name (&objfile->type_obstack, utf8_name); | |
c5aa993b | 309 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
310 | { |
311 | if (*nptr == '/') | |
312 | *nptr = '.'; | |
313 | } | |
314 | ||
315 | type = java_lookup_class (name); | |
316 | if (type != NULL) | |
317 | return type; | |
318 | ||
319 | type = alloc_type (objfile); | |
320 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
321 | INIT_CPLUS_SPECIFIC (type); | |
322 | ||
323 | if (name[0] == '[') | |
324 | { | |
325 | char *signature = name; | |
326 | int namelen = java_demangled_signature_length (signature); | |
327 | if (namelen > strlen (name)) | |
c5aa993b | 328 | name = obstack_alloc (&objfile->type_obstack, namelen + 1); |
c906108c SS |
329 | java_demangled_signature_copy (name, signature); |
330 | name[namelen] = '\0'; | |
331 | is_array = 1; | |
332 | temp = clas; | |
333 | /* Set array element type. */ | |
334 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
335 | VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas)); | |
336 | TYPE_TARGET_TYPE (type) = type_from_class (temp); | |
337 | } | |
338 | ||
339 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
340 | TYPE_TAG_NAME (type) = name; | |
341 | ||
342 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
343 | return java_link_class_type (type, clas); | |
344 | } | |
345 | ||
c5aa993b | 346 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c SS |
347 | |
348 | struct type * | |
349 | java_link_class_type (type, clas) | |
350 | struct type *type; | |
351 | value_ptr clas; | |
352 | { | |
353 | value_ptr temp; | |
354 | char *unqualified_name; | |
355 | char *name = TYPE_TAG_NAME (type); | |
356 | int ninterfaces, nfields, nmethods; | |
357 | int type_is_object = 0; | |
358 | struct fn_field *fn_fields; | |
359 | struct fn_fieldlist *fn_fieldlists; | |
360 | value_ptr fields, field, method, methods; | |
361 | int i, j; | |
c5aa993b | 362 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
363 | struct type *tsuper; |
364 | ||
365 | unqualified_name = strrchr (name, '.'); | |
366 | if (unqualified_name == NULL) | |
367 | unqualified_name = name; | |
368 | ||
369 | temp = clas; | |
370 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); | |
371 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
372 | { | |
373 | tsuper = get_java_object_type (); | |
374 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) | |
375 | tsuper = TYPE_TARGET_TYPE (tsuper); | |
376 | type_is_object = 1; | |
377 | } | |
378 | else | |
379 | tsuper = type_from_class (temp); | |
380 | ||
381 | #if 1 | |
382 | ninterfaces = 0; | |
383 | #else | |
384 | temp = clas; | |
385 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure")); | |
386 | #endif | |
387 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; | |
388 | temp = clas; | |
389 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure")); | |
390 | nfields += TYPE_N_BASECLASSES (type); | |
c5aa993b | 391 | nfields++; /* Add one for dummy "class" field. */ |
c906108c SS |
392 | TYPE_NFIELDS (type) = nfields; |
393 | TYPE_FIELDS (type) = (struct field *) | |
394 | TYPE_ALLOC (type, sizeof (struct field) * nfields); | |
395 | ||
396 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); | |
397 | ||
398 | TYPE_FIELD_PRIVATE_BITS (type) = | |
399 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
400 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); | |
401 | ||
402 | TYPE_FIELD_PROTECTED_BITS (type) = | |
403 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
404 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); | |
405 | ||
406 | TYPE_FIELD_IGNORE_BITS (type) = | |
407 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
408 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); | |
409 | ||
410 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) | |
411 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); | |
412 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); | |
413 | ||
414 | if (tsuper != NULL) | |
415 | { | |
416 | TYPE_BASECLASS (type, 0) = tsuper; | |
417 | if (type_is_object) | |
418 | SET_TYPE_FIELD_PRIVATE (type, 0); | |
419 | } | |
420 | ||
421 | i = strlen (name); | |
c5aa993b | 422 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
c906108c SS |
423 | { |
424 | /* FIXME */ | |
c5aa993b | 425 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
c906108c SS |
426 | } |
427 | else | |
428 | { | |
429 | temp = clas; | |
430 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure"); | |
431 | TYPE_LENGTH (type) = value_as_long (temp); | |
432 | } | |
433 | ||
434 | fields = NULL; | |
c5aa993b | 435 | nfields--; /* First set up dummy "class" field. */ |
c906108c SS |
436 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), |
437 | VALUE_ADDRESS (clas) + VALUE_OFFSET (clas)); | |
438 | TYPE_FIELD_NAME (type, nfields) = "class"; | |
439 | TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas); | |
440 | SET_TYPE_FIELD_PRIVATE (type, nfields); | |
c5aa993b JM |
441 | |
442 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) | |
c906108c SS |
443 | { |
444 | int accflags; | |
445 | int boffset; | |
446 | if (fields == NULL) | |
447 | { | |
448 | temp = clas; | |
449 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); | |
450 | field = value_ind (fields); | |
451 | } | |
452 | else | |
c5aa993b | 453 | { /* Re-use field value for next field. */ |
c906108c SS |
454 | VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field)); |
455 | VALUE_LAZY (field) = 1; | |
456 | } | |
457 | temp = field; | |
458 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
459 | TYPE_FIELD_NAME (type, i) = | |
460 | get_java_utf8_name (&objfile->type_obstack, temp); | |
461 | temp = field; | |
462 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", | |
463 | NULL, "structure")); | |
464 | temp = field; | |
465 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); | |
466 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", | |
c5aa993b JM |
467 | NULL, "structure")); |
468 | if (accflags & 0x0001) /* public access */ | |
c906108c SS |
469 | { |
470 | /* ??? */ | |
471 | } | |
c5aa993b | 472 | if (accflags & 0x0002) /* private access */ |
c906108c SS |
473 | { |
474 | SET_TYPE_FIELD_PRIVATE (type, i); | |
475 | } | |
c5aa993b | 476 | if (accflags & 0x0004) /* protected access */ |
c906108c SS |
477 | { |
478 | SET_TYPE_FIELD_PROTECTED (type, i); | |
479 | } | |
c5aa993b JM |
480 | if (accflags & 0x0008) /* ACC_STATIC */ |
481 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); | |
c906108c SS |
482 | else |
483 | TYPE_FIELD_BITPOS (type, i) = 8 * boffset; | |
c5aa993b | 484 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
c906108c | 485 | { |
c5aa993b | 486 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
c906108c SS |
487 | } |
488 | else | |
489 | { | |
490 | struct type *ftype; | |
491 | temp = field; | |
492 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); | |
493 | ftype = type_from_class (temp); | |
494 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) | |
495 | ftype = lookup_pointer_type (ftype); | |
496 | TYPE_FIELD_TYPE (type, i) = ftype; | |
497 | } | |
498 | } | |
499 | ||
500 | temp = clas; | |
501 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", | |
502 | NULL, "structure")); | |
503 | TYPE_NFN_FIELDS_TOTAL (type) = nmethods; | |
504 | j = nmethods * sizeof (struct fn_field); | |
c5aa993b | 505 | fn_fields = (struct fn_field *) |
c906108c SS |
506 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
507 | memset (fn_fields, 0, j); | |
c5aa993b | 508 | fn_fieldlists = (struct fn_fieldlist *) |
c906108c SS |
509 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
510 | ||
511 | methods = NULL; | |
c5aa993b | 512 | for (i = 0; i < nmethods; i++) |
c906108c SS |
513 | { |
514 | char *mname; | |
515 | int k; | |
516 | if (methods == NULL) | |
517 | { | |
518 | temp = clas; | |
519 | methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
520 | method = value_ind (methods); | |
521 | } | |
522 | else | |
c5aa993b | 523 | { /* Re-use method value for next method. */ |
c906108c SS |
524 | VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method)); |
525 | VALUE_LAZY (method) = 1; | |
526 | } | |
527 | ||
528 | /* Get method name. */ | |
529 | temp = method; | |
530 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
531 | mname = get_java_utf8_name (&objfile->type_obstack, temp); | |
532 | if (strcmp (mname, "<init>") == 0) | |
533 | mname = unqualified_name; | |
534 | ||
535 | /* Check for an existing method with the same name. | |
536 | * This makes building the fn_fieldslists an O(nmethods**2) | |
537 | * operation. That could be using hashing, but I doubt it | |
538 | * is worth it. Note that we do maintain the order of methods | |
539 | * in the inferior's Method table (as long as that is grouped | |
540 | * by method name), which I think is desirable. --PB */ | |
c5aa993b | 541 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
c906108c SS |
542 | { |
543 | if (--j < 0) | |
c5aa993b JM |
544 | { /* No match - new method name. */ |
545 | j = TYPE_NFN_FIELDS (type)++; | |
c906108c SS |
546 | fn_fieldlists[j].name = mname; |
547 | fn_fieldlists[j].length = 1; | |
548 | fn_fieldlists[j].fn_fields = &fn_fields[i]; | |
549 | k = i; | |
550 | break; | |
551 | } | |
552 | if (strcmp (mname, fn_fieldlists[j].name) == 0) | |
c5aa993b | 553 | { /* Found an existing method with the same name. */ |
c906108c SS |
554 | int l; |
555 | if (mname != unqualified_name) | |
556 | obstack_free (&objfile->type_obstack, mname); | |
557 | mname = fn_fieldlists[j].name; | |
558 | fn_fieldlists[j].length++; | |
c5aa993b | 559 | k = i - k; /* Index of new slot. */ |
c906108c | 560 | /* Shift intervening fn_fields (between k and i) down. */ |
c5aa993b JM |
561 | for (l = i; l > k; l--) |
562 | fn_fields[l] = fn_fields[l - 1]; | |
563 | for (l = TYPE_NFN_FIELDS (type); --l > j;) | |
c906108c SS |
564 | fn_fieldlists[l].fn_fields++; |
565 | break; | |
566 | } | |
567 | k += fn_fieldlists[j].length; | |
568 | } | |
569 | fn_fields[k].physname = ""; | |
570 | fn_fields[k].is_stub = 1; | |
c5aa993b | 571 | fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME */ |
c906108c SS |
572 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
573 | } | |
574 | ||
c5aa993b JM |
575 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
576 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) | |
c906108c SS |
577 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
578 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); | |
c5aa993b | 579 | |
c906108c SS |
580 | return type; |
581 | } | |
582 | ||
583 | static struct type *java_object_type; | |
584 | ||
585 | struct type * | |
586 | get_java_object_type () | |
587 | { | |
588 | if (java_object_type == NULL) | |
589 | { | |
590 | struct symbol *sym; | |
591 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_NAMESPACE, | |
592 | (int *) 0, (struct symtab **) NULL); | |
593 | if (sym == NULL) | |
594 | error ("cannot find java.lang.Object"); | |
595 | java_object_type = SYMBOL_TYPE (sym); | |
596 | } | |
597 | return java_object_type; | |
598 | } | |
599 | ||
600 | int | |
601 | get_java_object_header_size () | |
602 | { | |
603 | struct type *objtype = get_java_object_type (); | |
604 | if (objtype == NULL) | |
605 | return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT); | |
606 | else | |
607 | return TYPE_LENGTH (objtype); | |
608 | } | |
609 | ||
610 | int | |
611 | is_object_type (type) | |
612 | struct type *type; | |
613 | { | |
614 | CHECK_TYPEDEF (type); | |
615 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
616 | { | |
617 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
618 | char *name; | |
619 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) | |
620 | return 0; | |
621 | while (TYPE_N_BASECLASSES (ttype) > 0) | |
622 | ttype = TYPE_BASECLASS (ttype, 0); | |
623 | name = TYPE_TAG_NAME (ttype); | |
624 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
625 | return 1; | |
c5aa993b | 626 | name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; |
c906108c SS |
627 | if (name != NULL && strcmp (name, "vtable") == 0) |
628 | { | |
629 | if (java_object_type == NULL) | |
630 | java_object_type = type; | |
631 | return 1; | |
632 | } | |
633 | } | |
634 | return 0; | |
635 | } | |
636 | ||
637 | struct type * | |
638 | java_primitive_type (signature) | |
639 | int signature; | |
640 | { | |
641 | switch (signature) | |
642 | { | |
c5aa993b JM |
643 | case 'B': |
644 | return java_byte_type; | |
645 | case 'S': | |
646 | return java_short_type; | |
647 | case 'I': | |
648 | return java_int_type; | |
649 | case 'J': | |
650 | return java_long_type; | |
651 | case 'Z': | |
652 | return java_boolean_type; | |
653 | case 'C': | |
654 | return java_char_type; | |
655 | case 'F': | |
656 | return java_float_type; | |
657 | case 'D': | |
658 | return java_double_type; | |
659 | case 'V': | |
660 | return java_void_type; | |
c906108c SS |
661 | } |
662 | error ("unknown signature '%c' for primitive type", (char) signature); | |
663 | } | |
664 | ||
665 | /* If name[0 .. namelen-1] is the name of a primitive Java type, | |
666 | return that type. Otherwise, return NULL. */ | |
667 | ||
668 | struct type * | |
669 | java_primitive_type_from_name (name, namelen) | |
c5aa993b | 670 | char *name; |
c906108c SS |
671 | int namelen; |
672 | { | |
673 | switch (name[0]) | |
674 | { | |
675 | case 'b': | |
676 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) | |
677 | return java_byte_type; | |
678 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) | |
679 | return java_boolean_type; | |
680 | break; | |
681 | case 'c': | |
682 | if (namelen == 4 && memcmp (name, "char", 4) == 0) | |
683 | return java_char_type; | |
684 | case 'd': | |
685 | if (namelen == 6 && memcmp (name, "double", 6) == 0) | |
686 | return java_double_type; | |
687 | break; | |
688 | case 'f': | |
689 | if (namelen == 5 && memcmp (name, "float", 5) == 0) | |
690 | return java_float_type; | |
691 | break; | |
692 | case 'i': | |
693 | if (namelen == 3 && memcmp (name, "int", 3) == 0) | |
694 | return java_int_type; | |
695 | break; | |
696 | case 'l': | |
697 | if (namelen == 4 && memcmp (name, "long", 4) == 0) | |
698 | return java_long_type; | |
699 | break; | |
700 | case 's': | |
701 | if (namelen == 5 && memcmp (name, "short", 5) == 0) | |
702 | return java_short_type; | |
703 | break; | |
704 | case 'v': | |
705 | if (namelen == 4 && memcmp (name, "void", 4) == 0) | |
706 | return java_void_type; | |
707 | break; | |
708 | } | |
709 | return NULL; | |
710 | } | |
711 | ||
712 | /* Return the length (in bytes) of demangled name of the Java type | |
713 | signature string SIGNATURE. */ | |
714 | ||
715 | static int | |
716 | java_demangled_signature_length (signature) | |
717 | char *signature; | |
718 | { | |
719 | int array = 0; | |
c5aa993b JM |
720 | for (; *signature == '['; signature++) |
721 | array += 2; /* Two chars for "[]". */ | |
c906108c SS |
722 | switch (signature[0]) |
723 | { | |
724 | case 'L': | |
725 | /* Subtract 2 for 'L' and ';'. */ | |
726 | return strlen (signature) - 2 + array; | |
727 | default: | |
728 | return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array; | |
729 | } | |
730 | } | |
731 | ||
732 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ | |
733 | ||
734 | static void | |
735 | java_demangled_signature_copy (result, signature) | |
736 | char *result; | |
737 | char *signature; | |
738 | { | |
739 | int array = 0; | |
740 | char *ptr; | |
741 | int i; | |
742 | while (*signature == '[') | |
743 | { | |
744 | array++; | |
745 | signature++; | |
746 | } | |
747 | switch (signature[0]) | |
748 | { | |
749 | case 'L': | |
750 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ | |
751 | signature++; | |
752 | ptr = result; | |
c5aa993b | 753 | for (; *signature != ';' && *signature != '\0'; signature++) |
c906108c SS |
754 | { |
755 | if (*signature == '/') | |
756 | *ptr++ = '.'; | |
757 | else | |
758 | *ptr++ = *signature; | |
759 | } | |
760 | break; | |
761 | default: | |
762 | ptr = TYPE_NAME (java_primitive_type (signature[0])); | |
763 | i = strlen (ptr); | |
764 | strcpy (result, ptr); | |
765 | ptr = result + i; | |
766 | break; | |
767 | } | |
768 | while (--array >= 0) | |
769 | { | |
770 | *ptr++ = '['; | |
771 | *ptr++ = ']'; | |
772 | } | |
773 | } | |
774 | ||
775 | /* Return the demangled name of the Java type signature string SIGNATURE, | |
776 | as a freshly allocated copy. */ | |
777 | ||
778 | char * | |
779 | java_demangle_type_signature (signature) | |
780 | char *signature; | |
781 | { | |
782 | int length = java_demangled_signature_length (signature); | |
783 | char *result = xmalloc (length + 1); | |
784 | java_demangled_signature_copy (result, signature); | |
785 | result[length] = '\0'; | |
786 | return result; | |
787 | } | |
788 | ||
789 | struct type * | |
790 | java_lookup_type (signature) | |
791 | char *signature; | |
792 | { | |
793 | switch (signature[0]) | |
794 | { | |
795 | case 'L': | |
796 | case '[': | |
797 | error ("java_lookup_type not fully implemented"); | |
798 | default: | |
799 | return java_primitive_type (signature[0]); | |
800 | } | |
801 | } | |
802 | ||
803 | /* Return the type of TYPE followed by DIMS pairs of [ ]. | |
804 | If DIMS == 0, TYPE is returned. */ | |
805 | ||
806 | struct type * | |
807 | java_array_type (type, dims) | |
808 | struct type *type; | |
809 | int dims; | |
810 | { | |
811 | struct type *range_type; | |
812 | ||
813 | while (dims-- > 0) | |
814 | { | |
815 | range_type = create_range_type (NULL, builtin_type_int, 0, 0); | |
816 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ | |
817 | type = create_array_type (NULL, type, range_type); | |
818 | } | |
819 | ||
820 | return type; | |
821 | } | |
822 | ||
823 | /* Create a Java string in the inferior from a (Utf8) literal. */ | |
824 | ||
392a587b | 825 | static value_ptr |
c906108c SS |
826 | java_value_string (ptr, len) |
827 | char *ptr; | |
828 | int len; | |
829 | { | |
c5aa993b | 830 | error ("not implemented - java_value_string"); /* FIXME */ |
c906108c SS |
831 | } |
832 | ||
833 | /* Print the character C on STREAM as part of the contents of a literal | |
834 | string whose delimiter is QUOTER. Note that that format for printing | |
835 | characters and strings is language specific. */ | |
836 | ||
837 | static void | |
838 | java_emit_char (c, stream, quoter) | |
839 | int c; | |
d9fcf2fb | 840 | struct ui_file *stream; |
c906108c SS |
841 | int quoter; |
842 | { | |
843 | switch (c) | |
844 | { | |
845 | case '\\': | |
846 | case '\'': | |
847 | fprintf_filtered (stream, "\\%c", c); | |
848 | break; | |
849 | case '\b': | |
850 | fputs_filtered ("\\b", stream); | |
851 | break; | |
852 | case '\t': | |
853 | fputs_filtered ("\\t", stream); | |
854 | break; | |
855 | case '\n': | |
856 | fputs_filtered ("\\n", stream); | |
857 | break; | |
858 | case '\f': | |
859 | fputs_filtered ("\\f", stream); | |
860 | break; | |
861 | case '\r': | |
862 | fputs_filtered ("\\r", stream); | |
863 | break; | |
864 | default: | |
865 | if (isprint (c)) | |
866 | fputc_filtered (c, stream); | |
867 | else | |
868 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); | |
869 | break; | |
870 | } | |
871 | } | |
872 | ||
873 | static value_ptr | |
874 | evaluate_subexp_java (expect_type, exp, pos, noside) | |
875 | struct type *expect_type; | |
876 | register struct expression *exp; | |
877 | register int *pos; | |
878 | enum noside noside; | |
879 | { | |
880 | int pc = *pos; | |
881 | int i; | |
882 | char *name; | |
883 | enum exp_opcode op = exp->elts[*pos].opcode; | |
884 | value_ptr arg1, arg2; | |
885 | struct type *type; | |
886 | switch (op) | |
887 | { | |
888 | case UNOP_IND: | |
889 | if (noside == EVAL_SKIP) | |
890 | goto standard; | |
891 | (*pos)++; | |
892 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
893 | if (is_object_type (VALUE_TYPE (arg1))) | |
894 | { | |
895 | struct type *type; | |
896 | ||
897 | type = type_from_class (java_class_from_object (arg1)); | |
898 | arg1 = value_cast (lookup_pointer_type (type), arg1); | |
899 | } | |
900 | if (noside == EVAL_SKIP) | |
901 | goto nosideret; | |
902 | return value_ind (arg1); | |
903 | ||
904 | case BINOP_SUBSCRIPT: | |
905 | (*pos)++; | |
906 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
907 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
908 | if (noside == EVAL_SKIP) | |
909 | goto nosideret; | |
910 | /* If the user attempts to subscript something that is not an | |
c5aa993b JM |
911 | array or pointer type (like a plain int variable for example), |
912 | then report this as an error. */ | |
913 | ||
c906108c SS |
914 | COERCE_REF (arg1); |
915 | type = check_typedef (VALUE_TYPE (arg1)); | |
916 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
917 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
918 | name = TYPE_NAME (type); | |
919 | if (name == NULL) | |
920 | name = TYPE_TAG_NAME (type); | |
921 | i = name == NULL ? 0 : strlen (name); | |
922 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 923 | && i > 2 && name[i - 1] == ']') |
c906108c SS |
924 | { |
925 | CORE_ADDR address; | |
926 | long length, index; | |
927 | struct type *el_type; | |
928 | char buf4[4]; | |
929 | ||
c5aa993b | 930 | value_ptr clas = java_class_from_object (arg1); |
c906108c SS |
931 | value_ptr temp = clas; |
932 | /* Get CLASS_ELEMENT_TYPE of the array type. */ | |
933 | temp = value_struct_elt (&temp, NULL, "methods", | |
c5aa993b | 934 | NULL, "structure"); |
c906108c SS |
935 | VALUE_TYPE (temp) = VALUE_TYPE (clas); |
936 | el_type = type_from_class (temp); | |
937 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) | |
938 | el_type = lookup_pointer_type (el_type); | |
939 | ||
940 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
941 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
942 | address = value_as_pointer (arg1); | |
943 | address += JAVA_OBJECT_SIZE; | |
944 | read_memory (address, buf4, 4); | |
945 | length = (long) extract_signed_integer (buf4, 4); | |
946 | index = (long) value_as_long (arg2); | |
947 | if (index >= length || index < 0) | |
948 | error ("array index (%ld) out of bounds (length: %ld)", | |
949 | index, length); | |
950 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
951 | return value_at (el_type, address, NULL); | |
952 | } | |
953 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
954 | { | |
955 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
956 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
957 | else | |
958 | return value_subscript (arg1, arg2); | |
959 | } | |
960 | if (name) | |
961 | error ("cannot subscript something of type `%s'", name); | |
962 | else | |
963 | error ("cannot subscript requested type"); | |
964 | ||
965 | case OP_STRING: | |
966 | (*pos)++; | |
967 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
968 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
969 | if (noside == EVAL_SKIP) | |
970 | goto nosideret; | |
971 | return java_value_string (&exp->elts[pc + 2].string, i); | |
972 | ||
973 | case STRUCTOP_STRUCT: | |
974 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); | |
975 | /* Convert object field (such as TYPE.class) to reference. */ | |
976 | if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT) | |
977 | arg1 = value_addr (arg1); | |
978 | return arg1; | |
979 | default: | |
980 | break; | |
981 | } | |
982 | standard: | |
983 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 984 | nosideret: |
c906108c SS |
985 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
986 | } | |
987 | ||
988 | static struct type * | |
989 | java_create_fundamental_type (objfile, typeid) | |
990 | struct objfile *objfile; | |
991 | int typeid; | |
992 | { | |
993 | switch (typeid) | |
994 | { | |
c5aa993b JM |
995 | case FT_VOID: |
996 | return java_void_type; | |
997 | case FT_BOOLEAN: | |
998 | return java_boolean_type; | |
999 | case FT_CHAR: | |
1000 | return java_char_type; | |
1001 | case FT_FLOAT: | |
1002 | return java_float_type; | |
1003 | case FT_DBL_PREC_FLOAT: | |
1004 | return java_double_type; | |
1005 | case FT_BYTE: | |
1006 | case FT_SIGNED_CHAR: | |
1007 | return java_byte_type; | |
1008 | case FT_SHORT: | |
1009 | case FT_SIGNED_SHORT: | |
1010 | return java_short_type; | |
1011 | case FT_INTEGER: | |
1012 | case FT_SIGNED_INTEGER: | |
1013 | return java_int_type; | |
1014 | case FT_LONG: | |
1015 | case FT_SIGNED_LONG: | |
1016 | return java_long_type; | |
c906108c SS |
1017 | } |
1018 | return c_create_fundamental_type (objfile, typeid); | |
1019 | } | |
1020 | ||
1021 | /* Table mapping opcodes into strings for printing operators | |
1022 | and precedences of the operators. */ | |
1023 | ||
1024 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
1025 | { |
1026 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
1027 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
1028 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1029 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1030 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1031 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1032 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1033 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1034 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1035 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1036 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1037 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1038 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1039 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1040 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c906108c | 1041 | #if 0 |
c5aa993b | 1042 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
c906108c | 1043 | #endif |
c5aa993b JM |
1044 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1045 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1046 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1047 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1048 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1049 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1050 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1051 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1052 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c906108c | 1053 | #if 0 |
c5aa993b | 1054 | {"instanceof", ? ? ?, ? ? ?, 0}, |
c906108c | 1055 | #endif |
c5aa993b JM |
1056 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1057 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
1058 | {NULL, 0, 0, 0} | |
c906108c SS |
1059 | }; |
1060 | ||
c5aa993b JM |
1061 | const struct language_defn java_language_defn = |
1062 | { | |
1063 | "java", /* Language name */ | |
c906108c SS |
1064 | language_java, |
1065 | c_builtin_types, | |
1066 | range_check_off, | |
1067 | type_check_off, | |
1068 | java_parse, | |
1069 | java_error, | |
1070 | evaluate_subexp_java, | |
1071 | c_printchar, /* Print a character constant */ | |
1072 | c_printstr, /* Function to print string constant */ | |
1073 | java_emit_char, /* Function to print a single character */ | |
1074 | java_create_fundamental_type, /* Create fundamental type in this language */ | |
1075 | java_print_type, /* Print a type using appropriate syntax */ | |
1076 | java_val_print, /* Print a value using appropriate syntax */ | |
1077 | java_value_print, /* Print a top-level value */ | |
c5aa993b JM |
1078 | {"", "", "", ""}, /* Binary format info */ |
1079 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1080 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1081 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1082 | java_op_print_tab, /* expression operators for printing */ |
1083 | 0, /* not c-style arrays */ | |
1084 | 0, /* String lower bound */ | |
c5aa993b | 1085 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1086 | LANG_MAGIC |
1087 | }; | |
1088 | ||
1089 | void | |
1090 | _initialize_java_language () | |
1091 | { | |
1092 | ||
c5aa993b JM |
1093 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL); |
1094 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL); | |
1095 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL); | |
1096 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL); | |
1097 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL); | |
1098 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL); | |
1099 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL); | |
1100 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL); | |
1101 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL); | |
c906108c SS |
1102 | |
1103 | add_language (&java_language_defn); | |
1104 | } | |
1105 | ||
1106 | /* Cleanup code that should be run on every "run". | |
1107 | We should use make_run_cleanup to have this be called. | |
1108 | But will that mess up values in value histry? FIXME */ | |
1109 | ||
a14ed312 | 1110 | extern void java_rerun_cleanup (void); |
392a587b JM |
1111 | void |
1112 | java_rerun_cleanup () | |
c906108c SS |
1113 | { |
1114 | if (class_symtab != NULL) | |
1115 | { | |
c5aa993b | 1116 | free_symtab (class_symtab); /* ??? */ |
c906108c SS |
1117 | class_symtab = NULL; |
1118 | } | |
1119 | if (dynamics_objfile != NULL) | |
1120 | { | |
1121 | free_objfile (dynamics_objfile); | |
1122 | dynamics_objfile = NULL; | |
1123 | } | |
1124 | ||
1125 | java_object_type = NULL; | |
1126 | } |