Commit | Line | Data |
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c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
22abf04a | 2 | Copyright 1997, 1998, 1999, 2000, 2003 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" | |
fe898f56 | 36 | #include "block.h" |
9a3d7dfd | 37 | #include "demangle.h" |
c906108c SS |
38 | #include <ctype.h> |
39 | ||
40 | struct type *java_int_type; | |
41 | struct type *java_byte_type; | |
42 | struct type *java_short_type; | |
43 | struct type *java_long_type; | |
44 | struct type *java_boolean_type; | |
45 | struct type *java_char_type; | |
46 | struct type *java_float_type; | |
47 | struct type *java_double_type; | |
48 | struct type *java_void_type; | |
49 | ||
392a587b JM |
50 | /* Local functions */ |
51 | ||
a14ed312 | 52 | extern void _initialize_java_language (void); |
392a587b | 53 | |
a14ed312 KB |
54 | static int java_demangled_signature_length (char *); |
55 | static void java_demangled_signature_copy (char *, char *); | |
c906108c | 56 | |
a14ed312 | 57 | static struct symtab *get_java_class_symtab (void); |
75c9979e AC |
58 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
59 | static int java_class_is_primitive (struct value *clas); | |
a14ed312 | 60 | static struct type *java_lookup_type (char *signature); |
75c9979e | 61 | static struct value *java_value_string (char *ptr, int len); |
392a587b | 62 | |
d9fcf2fb | 63 | static void java_emit_char (int c, struct ui_file * stream, int quoter); |
c906108c SS |
64 | |
65 | /* This objfile contains symtabs that have been dynamically created | |
66 | to record dynamically loaded Java classes and dynamically | |
67 | compiled java methods. */ | |
68 | ||
69 | static struct objfile *dynamics_objfile = NULL; | |
70 | ||
75c9979e | 71 | static struct type *java_link_class_type (struct type *, struct value *); |
c906108c | 72 | |
eb9a305d DC |
73 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
74 | allocate_objfile with first argument NULL; as a result, this code | |
75 | breaks every so often. Somebody should write a test case that | |
76 | exercises GDB in various ways (e.g. something involving loading a | |
77 | dynamic library) after this code has been called. */ | |
78 | ||
c906108c | 79 | static struct objfile * |
fba45db2 | 80 | get_dynamics_objfile (void) |
c906108c SS |
81 | { |
82 | if (dynamics_objfile == NULL) | |
83 | { | |
2df3850c | 84 | dynamics_objfile = allocate_objfile (NULL, 0); |
c906108c SS |
85 | } |
86 | return dynamics_objfile; | |
87 | } | |
88 | ||
89 | #if 1 | |
90 | /* symtab contains classes read from the inferior. */ | |
91 | ||
92 | static struct symtab *class_symtab = NULL; | |
93 | ||
94 | /* Maximum number of class in class_symtab before relocation is needed. */ | |
95 | ||
96 | static int class_symtab_space; | |
97 | ||
392a587b | 98 | static struct symtab * |
fba45db2 | 99 | get_java_class_symtab (void) |
c906108c SS |
100 | { |
101 | if (class_symtab == NULL) | |
102 | { | |
c5aa993b | 103 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
104 | struct blockvector *bv; |
105 | struct block *bl; | |
106 | class_symtab = allocate_symtab ("<java-classes>", objfile); | |
107 | class_symtab->language = language_java; | |
108 | bv = (struct blockvector *) | |
109 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct blockvector)); | |
110 | BLOCKVECTOR_NBLOCKS (bv) = 1; | |
111 | BLOCKVECTOR (class_symtab) = bv; | |
112 | ||
113 | /* Allocate dummy STATIC_BLOCK. */ | |
114 | bl = (struct block *) | |
115 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct block)); | |
116 | BLOCK_NSYMS (bl) = 0; | |
261397f8 | 117 | BLOCK_HASHTABLE (bl) = 0; |
c906108c SS |
118 | BLOCK_START (bl) = 0; |
119 | BLOCK_END (bl) = 0; | |
120 | BLOCK_FUNCTION (bl) = NULL; | |
121 | BLOCK_SUPERBLOCK (bl) = NULL; | |
122 | BLOCK_GCC_COMPILED (bl) = 0; | |
123 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; | |
124 | ||
125 | /* Allocate GLOBAL_BLOCK. This has to be relocatable. */ | |
126 | class_symtab_space = 128; | |
753edfef AC |
127 | bl = xmmalloc (objfile->md, |
128 | sizeof (struct block) | |
129 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
c906108c SS |
130 | *bl = *BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
131 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; | |
132 | class_symtab->free_ptr = (char *) bl; | |
133 | } | |
134 | return class_symtab; | |
135 | } | |
136 | ||
137 | static void | |
fba45db2 | 138 | add_class_symtab_symbol (struct symbol *sym) |
c906108c SS |
139 | { |
140 | struct symtab *symtab = get_java_class_symtab (); | |
141 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
142 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
143 | if (BLOCK_NSYMS (bl) >= class_symtab_space) | |
144 | { | |
145 | /* Need to re-allocate. */ | |
146 | class_symtab_space *= 2; | |
4c178295 AC |
147 | bl = xmrealloc (symtab->objfile->md, bl, |
148 | sizeof (struct block) | |
149 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); | |
c906108c SS |
150 | class_symtab->free_ptr = (char *) bl; |
151 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; | |
152 | } | |
c5aa993b | 153 | |
c906108c SS |
154 | BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym; |
155 | BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1; | |
156 | } | |
157 | ||
a14ed312 | 158 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
c906108c SS |
159 | |
160 | static struct symbol * | |
fba45db2 | 161 | add_class_symbol (struct type *type, CORE_ADDR addr) |
c906108c SS |
162 | { |
163 | struct symbol *sym; | |
164 | sym = (struct symbol *) | |
165 | obstack_alloc (&dynamics_objfile->symbol_obstack, sizeof (struct symbol)); | |
166 | memset (sym, 0, sizeof (struct symbol)); | |
167 | SYMBOL_LANGUAGE (sym) = language_java; | |
22abf04a | 168 | DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); |
c906108c | 169 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; |
c5aa993b | 170 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c SS |
171 | SYMBOL_TYPE (sym) = type; |
172 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; | |
173 | SYMBOL_VALUE_ADDRESS (sym) = addr; | |
174 | return sym; | |
175 | } | |
176 | #endif | |
177 | ||
178 | struct type * | |
fba45db2 | 179 | java_lookup_class (char *name) |
c906108c SS |
180 | { |
181 | struct symbol *sym; | |
182 | sym = lookup_symbol (name, expression_context_block, STRUCT_NAMESPACE, | |
183 | (int *) 0, (struct symtab **) NULL); | |
184 | if (sym != NULL) | |
185 | return SYMBOL_TYPE (sym); | |
186 | #if 0 | |
187 | CORE_ADDR addr; | |
188 | if (called from parser) | |
189 | { | |
190 | call lookup_class (or similar) in inferior; | |
c5aa993b JM |
191 | if not |
192 | found: | |
c906108c SS |
193 | return NULL; |
194 | addr = found in inferior; | |
195 | } | |
196 | else | |
197 | addr = 0; | |
198 | struct type *type; | |
199 | type = alloc_type (objfile); | |
200 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
201 | INIT_CPLUS_SPECIFIC (type); | |
c5aa993b | 202 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->type_obstack); |
c906108c SS |
203 | TYPE_FLAGS (type) |= TYPE_FLAG_STUB; |
204 | TYPE ? = addr; | |
205 | return type; | |
206 | #else | |
207 | /* FIXME - should search inferior's symbol table. */ | |
208 | return NULL; | |
209 | #endif | |
210 | } | |
211 | ||
212 | /* Return a nul-terminated string (allocated on OBSTACK) for | |
213 | a name given by NAME (which has type Utf8Const*). */ | |
214 | ||
215 | char * | |
75c9979e | 216 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
c906108c SS |
217 | { |
218 | char *chrs; | |
75c9979e | 219 | struct value *temp = name; |
c906108c SS |
220 | int name_length; |
221 | CORE_ADDR data_addr; | |
222 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); | |
223 | name_length = (int) value_as_long (temp); | |
224 | data_addr = VALUE_ADDRESS (temp) + VALUE_OFFSET (temp) | |
225 | + TYPE_LENGTH (VALUE_TYPE (temp)); | |
c5aa993b JM |
226 | chrs = obstack_alloc (obstack, name_length + 1); |
227 | chrs[name_length] = '\0'; | |
d4b2399a | 228 | read_memory (data_addr, chrs, name_length); |
c906108c SS |
229 | return chrs; |
230 | } | |
231 | ||
75c9979e AC |
232 | struct value * |
233 | java_class_from_object (struct value *obj_val) | |
c906108c SS |
234 | { |
235 | /* This is all rather inefficient, since the offsets of vtable and | |
236 | class are fixed. FIXME */ | |
75c9979e | 237 | struct value *vtable_val; |
c906108c SS |
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 (), | |
1aa20aa8 | 242 | value_as_address (obj_val), NULL); |
c906108c SS |
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 |
75c9979e | 250 | java_class_is_primitive (struct value *clas) |
c906108c | 251 | { |
75c9979e | 252 | struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct"); |
1aa20aa8 | 253 | CORE_ADDR i = value_as_address (vtable); |
c906108c SS |
254 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
255 | } | |
256 | ||
257 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ | |
258 | ||
259 | struct type * | |
75c9979e | 260 | type_from_class (struct value *clas) |
c906108c SS |
261 | { |
262 | struct type *type; | |
263 | char *name; | |
75c9979e | 264 | struct value *temp; |
c906108c | 265 | struct objfile *objfile; |
75c9979e | 266 | struct value *utf8_name; |
c906108c SS |
267 | char *nptr; |
268 | CORE_ADDR addr; | |
269 | struct block *bl; | |
270 | int i; | |
271 | int is_array = 0; | |
272 | ||
273 | type = check_typedef (VALUE_TYPE (clas)); | |
274 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
275 | { | |
276 | if (value_logical_not (clas)) | |
277 | return NULL; | |
278 | clas = value_ind (clas); | |
279 | } | |
280 | addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas); | |
281 | ||
282 | #if 0 | |
283 | get_java_class_symtab (); | |
284 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); | |
c5aa993b | 285 | for (i = BLOCK_NSYMS (bl); --i >= 0;) |
c906108c SS |
286 | { |
287 | struct symbol *sym = BLOCK_SYM (bl, i); | |
288 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) | |
289 | return SYMBOL_TYPE (sym); | |
290 | } | |
291 | #endif | |
292 | ||
c5aa993b | 293 | objfile = get_dynamics_objfile (); |
c906108c SS |
294 | if (java_class_is_primitive (clas)) |
295 | { | |
75c9979e | 296 | struct value *sig; |
c906108c SS |
297 | temp = clas; |
298 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
299 | return java_primitive_type (value_as_long (sig)); | |
300 | } | |
301 | ||
302 | /* Get Class name. */ | |
303 | /* if clasloader non-null, prepend loader address. FIXME */ | |
304 | temp = clas; | |
305 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
306 | name = get_java_utf8_name (&objfile->type_obstack, utf8_name); | |
c5aa993b | 307 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
308 | { |
309 | if (*nptr == '/') | |
310 | *nptr = '.'; | |
311 | } | |
312 | ||
313 | type = java_lookup_class (name); | |
314 | if (type != NULL) | |
315 | return type; | |
316 | ||
317 | type = alloc_type (objfile); | |
318 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
319 | INIT_CPLUS_SPECIFIC (type); | |
320 | ||
321 | if (name[0] == '[') | |
322 | { | |
323 | char *signature = name; | |
324 | int namelen = java_demangled_signature_length (signature); | |
325 | if (namelen > strlen (name)) | |
c5aa993b | 326 | name = obstack_alloc (&objfile->type_obstack, namelen + 1); |
c906108c SS |
327 | java_demangled_signature_copy (name, signature); |
328 | name[namelen] = '\0'; | |
329 | is_array = 1; | |
330 | temp = clas; | |
331 | /* Set array element type. */ | |
332 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
333 | VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas)); | |
334 | TYPE_TARGET_TYPE (type) = type_from_class (temp); | |
335 | } | |
336 | ||
337 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
338 | TYPE_TAG_NAME (type) = name; | |
339 | ||
340 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
341 | return java_link_class_type (type, clas); | |
342 | } | |
343 | ||
c5aa993b | 344 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c SS |
345 | |
346 | struct type * | |
75c9979e | 347 | java_link_class_type (struct type *type, struct value *clas) |
c906108c | 348 | { |
75c9979e | 349 | struct value *temp; |
c906108c SS |
350 | char *unqualified_name; |
351 | char *name = TYPE_TAG_NAME (type); | |
352 | int ninterfaces, nfields, nmethods; | |
353 | int type_is_object = 0; | |
354 | struct fn_field *fn_fields; | |
355 | struct fn_fieldlist *fn_fieldlists; | |
75c9979e AC |
356 | struct value *fields; |
357 | struct value *methods; | |
c65ecaf3 AC |
358 | struct value *method = NULL; |
359 | struct value *field = NULL; | |
c906108c | 360 | int i, j; |
c5aa993b | 361 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
362 | struct type *tsuper; |
363 | ||
364 | unqualified_name = strrchr (name, '.'); | |
365 | if (unqualified_name == NULL) | |
366 | unqualified_name = name; | |
367 | ||
368 | temp = clas; | |
369 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); | |
370 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
371 | { | |
372 | tsuper = get_java_object_type (); | |
373 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) | |
374 | tsuper = TYPE_TARGET_TYPE (tsuper); | |
375 | type_is_object = 1; | |
376 | } | |
377 | else | |
378 | tsuper = type_from_class (temp); | |
379 | ||
380 | #if 1 | |
381 | ninterfaces = 0; | |
382 | #else | |
383 | temp = clas; | |
384 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure")); | |
385 | #endif | |
386 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; | |
387 | temp = clas; | |
388 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure")); | |
389 | nfields += TYPE_N_BASECLASSES (type); | |
c5aa993b | 390 | nfields++; /* Add one for dummy "class" field. */ |
c906108c SS |
391 | TYPE_NFIELDS (type) = nfields; |
392 | TYPE_FIELDS (type) = (struct field *) | |
393 | TYPE_ALLOC (type, sizeof (struct field) * nfields); | |
394 | ||
395 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); | |
396 | ||
397 | TYPE_FIELD_PRIVATE_BITS (type) = | |
398 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
399 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); | |
400 | ||
401 | TYPE_FIELD_PROTECTED_BITS (type) = | |
402 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
403 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); | |
404 | ||
405 | TYPE_FIELD_IGNORE_BITS (type) = | |
406 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
407 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); | |
408 | ||
409 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) | |
410 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); | |
411 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); | |
412 | ||
413 | if (tsuper != NULL) | |
414 | { | |
415 | TYPE_BASECLASS (type, 0) = tsuper; | |
416 | if (type_is_object) | |
417 | SET_TYPE_FIELD_PRIVATE (type, 0); | |
418 | } | |
419 | ||
420 | i = strlen (name); | |
c5aa993b | 421 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
c906108c SS |
422 | { |
423 | /* FIXME */ | |
c5aa993b | 424 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
c906108c SS |
425 | } |
426 | else | |
427 | { | |
428 | temp = clas; | |
429 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure"); | |
430 | TYPE_LENGTH (type) = value_as_long (temp); | |
431 | } | |
432 | ||
433 | fields = NULL; | |
c5aa993b | 434 | nfields--; /* First set up dummy "class" field. */ |
c906108c SS |
435 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), |
436 | VALUE_ADDRESS (clas) + VALUE_OFFSET (clas)); | |
437 | TYPE_FIELD_NAME (type, nfields) = "class"; | |
438 | TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas); | |
439 | SET_TYPE_FIELD_PRIVATE (type, nfields); | |
c5aa993b JM |
440 | |
441 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) | |
c906108c SS |
442 | { |
443 | int accflags; | |
444 | int boffset; | |
445 | if (fields == NULL) | |
446 | { | |
447 | temp = clas; | |
448 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); | |
449 | field = value_ind (fields); | |
450 | } | |
451 | else | |
c5aa993b | 452 | { /* Re-use field value for next field. */ |
c906108c SS |
453 | VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field)); |
454 | VALUE_LAZY (field) = 1; | |
455 | } | |
456 | temp = field; | |
457 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
458 | TYPE_FIELD_NAME (type, i) = | |
459 | get_java_utf8_name (&objfile->type_obstack, temp); | |
460 | temp = field; | |
461 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", | |
462 | NULL, "structure")); | |
463 | temp = field; | |
464 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); | |
465 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", | |
c5aa993b JM |
466 | NULL, "structure")); |
467 | if (accflags & 0x0001) /* public access */ | |
c906108c SS |
468 | { |
469 | /* ??? */ | |
470 | } | |
c5aa993b | 471 | if (accflags & 0x0002) /* private access */ |
c906108c SS |
472 | { |
473 | SET_TYPE_FIELD_PRIVATE (type, i); | |
474 | } | |
c5aa993b | 475 | if (accflags & 0x0004) /* protected access */ |
c906108c SS |
476 | { |
477 | SET_TYPE_FIELD_PROTECTED (type, i); | |
478 | } | |
c5aa993b JM |
479 | if (accflags & 0x0008) /* ACC_STATIC */ |
480 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); | |
c906108c SS |
481 | else |
482 | TYPE_FIELD_BITPOS (type, i) = 8 * boffset; | |
c5aa993b | 483 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
c906108c | 484 | { |
c5aa993b | 485 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
c906108c SS |
486 | } |
487 | else | |
488 | { | |
489 | struct type *ftype; | |
490 | temp = field; | |
491 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); | |
492 | ftype = type_from_class (temp); | |
493 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) | |
494 | ftype = lookup_pointer_type (ftype); | |
495 | TYPE_FIELD_TYPE (type, i) = ftype; | |
496 | } | |
497 | } | |
498 | ||
499 | temp = clas; | |
500 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", | |
501 | NULL, "structure")); | |
502 | TYPE_NFN_FIELDS_TOTAL (type) = nmethods; | |
503 | j = nmethods * sizeof (struct fn_field); | |
c5aa993b | 504 | fn_fields = (struct fn_field *) |
c906108c SS |
505 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
506 | memset (fn_fields, 0, j); | |
c5aa993b | 507 | fn_fieldlists = (struct fn_fieldlist *) |
c906108c SS |
508 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
509 | ||
510 | methods = NULL; | |
c5aa993b | 511 | for (i = 0; i < nmethods; i++) |
c906108c SS |
512 | { |
513 | char *mname; | |
514 | int k; | |
515 | if (methods == NULL) | |
516 | { | |
517 | temp = clas; | |
518 | methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
519 | method = value_ind (methods); | |
520 | } | |
521 | else | |
c5aa993b | 522 | { /* Re-use method value for next method. */ |
c906108c SS |
523 | VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method)); |
524 | VALUE_LAZY (method) = 1; | |
525 | } | |
526 | ||
527 | /* Get method name. */ | |
528 | temp = method; | |
529 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
530 | mname = get_java_utf8_name (&objfile->type_obstack, temp); | |
531 | if (strcmp (mname, "<init>") == 0) | |
532 | mname = unqualified_name; | |
533 | ||
534 | /* Check for an existing method with the same name. | |
535 | * This makes building the fn_fieldslists an O(nmethods**2) | |
536 | * operation. That could be using hashing, but I doubt it | |
537 | * is worth it. Note that we do maintain the order of methods | |
538 | * in the inferior's Method table (as long as that is grouped | |
539 | * by method name), which I think is desirable. --PB */ | |
c5aa993b | 540 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
c906108c SS |
541 | { |
542 | if (--j < 0) | |
c5aa993b JM |
543 | { /* No match - new method name. */ |
544 | j = TYPE_NFN_FIELDS (type)++; | |
c906108c SS |
545 | fn_fieldlists[j].name = mname; |
546 | fn_fieldlists[j].length = 1; | |
547 | fn_fieldlists[j].fn_fields = &fn_fields[i]; | |
548 | k = i; | |
549 | break; | |
550 | } | |
551 | if (strcmp (mname, fn_fieldlists[j].name) == 0) | |
c5aa993b | 552 | { /* Found an existing method with the same name. */ |
c906108c SS |
553 | int l; |
554 | if (mname != unqualified_name) | |
555 | obstack_free (&objfile->type_obstack, mname); | |
556 | mname = fn_fieldlists[j].name; | |
557 | fn_fieldlists[j].length++; | |
c5aa993b | 558 | k = i - k; /* Index of new slot. */ |
c906108c | 559 | /* Shift intervening fn_fields (between k and i) down. */ |
c5aa993b JM |
560 | for (l = i; l > k; l--) |
561 | fn_fields[l] = fn_fields[l - 1]; | |
562 | for (l = TYPE_NFN_FIELDS (type); --l > j;) | |
c906108c SS |
563 | fn_fieldlists[l].fn_fields++; |
564 | break; | |
565 | } | |
566 | k += fn_fieldlists[j].length; | |
567 | } | |
568 | fn_fields[k].physname = ""; | |
569 | fn_fields[k].is_stub = 1; | |
c5aa993b | 570 | fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME */ |
c906108c SS |
571 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
572 | } | |
573 | ||
c5aa993b JM |
574 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
575 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) | |
c906108c SS |
576 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
577 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); | |
c5aa993b | 578 | |
c906108c SS |
579 | return type; |
580 | } | |
581 | ||
582 | static struct type *java_object_type; | |
583 | ||
584 | struct type * | |
fba45db2 | 585 | get_java_object_type (void) |
c906108c SS |
586 | { |
587 | if (java_object_type == NULL) | |
588 | { | |
589 | struct symbol *sym; | |
590 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_NAMESPACE, | |
591 | (int *) 0, (struct symtab **) NULL); | |
592 | if (sym == NULL) | |
593 | error ("cannot find java.lang.Object"); | |
594 | java_object_type = SYMBOL_TYPE (sym); | |
595 | } | |
596 | return java_object_type; | |
597 | } | |
598 | ||
599 | int | |
fba45db2 | 600 | get_java_object_header_size (void) |
c906108c SS |
601 | { |
602 | struct type *objtype = get_java_object_type (); | |
603 | if (objtype == NULL) | |
604 | return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT); | |
605 | else | |
606 | return TYPE_LENGTH (objtype); | |
607 | } | |
608 | ||
609 | int | |
fba45db2 | 610 | is_object_type (struct type *type) |
c906108c SS |
611 | { |
612 | CHECK_TYPEDEF (type); | |
613 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
614 | { | |
615 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
616 | char *name; | |
617 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) | |
618 | return 0; | |
619 | while (TYPE_N_BASECLASSES (ttype) > 0) | |
620 | ttype = TYPE_BASECLASS (ttype, 0); | |
621 | name = TYPE_TAG_NAME (ttype); | |
622 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
623 | return 1; | |
c5aa993b | 624 | name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; |
c906108c SS |
625 | if (name != NULL && strcmp (name, "vtable") == 0) |
626 | { | |
627 | if (java_object_type == NULL) | |
628 | java_object_type = type; | |
629 | return 1; | |
630 | } | |
631 | } | |
632 | return 0; | |
633 | } | |
634 | ||
635 | struct type * | |
fba45db2 | 636 | java_primitive_type (int signature) |
c906108c SS |
637 | { |
638 | switch (signature) | |
639 | { | |
c5aa993b JM |
640 | case 'B': |
641 | return java_byte_type; | |
642 | case 'S': | |
643 | return java_short_type; | |
644 | case 'I': | |
645 | return java_int_type; | |
646 | case 'J': | |
647 | return java_long_type; | |
648 | case 'Z': | |
649 | return java_boolean_type; | |
650 | case 'C': | |
651 | return java_char_type; | |
652 | case 'F': | |
653 | return java_float_type; | |
654 | case 'D': | |
655 | return java_double_type; | |
656 | case 'V': | |
657 | return java_void_type; | |
c906108c SS |
658 | } |
659 | error ("unknown signature '%c' for primitive type", (char) signature); | |
660 | } | |
661 | ||
662 | /* If name[0 .. namelen-1] is the name of a primitive Java type, | |
663 | return that type. Otherwise, return NULL. */ | |
664 | ||
665 | struct type * | |
fba45db2 | 666 | java_primitive_type_from_name (char *name, int namelen) |
c906108c SS |
667 | { |
668 | switch (name[0]) | |
669 | { | |
670 | case 'b': | |
671 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) | |
672 | return java_byte_type; | |
673 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) | |
674 | return java_boolean_type; | |
675 | break; | |
676 | case 'c': | |
677 | if (namelen == 4 && memcmp (name, "char", 4) == 0) | |
678 | return java_char_type; | |
679 | case 'd': | |
680 | if (namelen == 6 && memcmp (name, "double", 6) == 0) | |
681 | return java_double_type; | |
682 | break; | |
683 | case 'f': | |
684 | if (namelen == 5 && memcmp (name, "float", 5) == 0) | |
685 | return java_float_type; | |
686 | break; | |
687 | case 'i': | |
688 | if (namelen == 3 && memcmp (name, "int", 3) == 0) | |
689 | return java_int_type; | |
690 | break; | |
691 | case 'l': | |
692 | if (namelen == 4 && memcmp (name, "long", 4) == 0) | |
693 | return java_long_type; | |
694 | break; | |
695 | case 's': | |
696 | if (namelen == 5 && memcmp (name, "short", 5) == 0) | |
697 | return java_short_type; | |
698 | break; | |
699 | case 'v': | |
700 | if (namelen == 4 && memcmp (name, "void", 4) == 0) | |
701 | return java_void_type; | |
702 | break; | |
703 | } | |
704 | return NULL; | |
705 | } | |
706 | ||
707 | /* Return the length (in bytes) of demangled name of the Java type | |
708 | signature string SIGNATURE. */ | |
709 | ||
710 | static int | |
fba45db2 | 711 | java_demangled_signature_length (char *signature) |
c906108c SS |
712 | { |
713 | int array = 0; | |
c5aa993b JM |
714 | for (; *signature == '['; signature++) |
715 | array += 2; /* Two chars for "[]". */ | |
c906108c SS |
716 | switch (signature[0]) |
717 | { | |
718 | case 'L': | |
719 | /* Subtract 2 for 'L' and ';'. */ | |
720 | return strlen (signature) - 2 + array; | |
721 | default: | |
722 | return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array; | |
723 | } | |
724 | } | |
725 | ||
726 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ | |
727 | ||
728 | static void | |
fba45db2 | 729 | java_demangled_signature_copy (char *result, char *signature) |
c906108c SS |
730 | { |
731 | int array = 0; | |
732 | char *ptr; | |
733 | int i; | |
734 | while (*signature == '[') | |
735 | { | |
736 | array++; | |
737 | signature++; | |
738 | } | |
739 | switch (signature[0]) | |
740 | { | |
741 | case 'L': | |
742 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ | |
743 | signature++; | |
744 | ptr = result; | |
c5aa993b | 745 | for (; *signature != ';' && *signature != '\0'; signature++) |
c906108c SS |
746 | { |
747 | if (*signature == '/') | |
748 | *ptr++ = '.'; | |
749 | else | |
750 | *ptr++ = *signature; | |
751 | } | |
752 | break; | |
753 | default: | |
754 | ptr = TYPE_NAME (java_primitive_type (signature[0])); | |
755 | i = strlen (ptr); | |
756 | strcpy (result, ptr); | |
757 | ptr = result + i; | |
758 | break; | |
759 | } | |
760 | while (--array >= 0) | |
761 | { | |
762 | *ptr++ = '['; | |
763 | *ptr++ = ']'; | |
764 | } | |
765 | } | |
766 | ||
767 | /* Return the demangled name of the Java type signature string SIGNATURE, | |
768 | as a freshly allocated copy. */ | |
769 | ||
770 | char * | |
fba45db2 | 771 | java_demangle_type_signature (char *signature) |
c906108c SS |
772 | { |
773 | int length = java_demangled_signature_length (signature); | |
774 | char *result = xmalloc (length + 1); | |
775 | java_demangled_signature_copy (result, signature); | |
776 | result[length] = '\0'; | |
777 | return result; | |
778 | } | |
779 | ||
780 | struct type * | |
fba45db2 | 781 | java_lookup_type (char *signature) |
c906108c SS |
782 | { |
783 | switch (signature[0]) | |
784 | { | |
785 | case 'L': | |
786 | case '[': | |
787 | error ("java_lookup_type not fully implemented"); | |
788 | default: | |
789 | return java_primitive_type (signature[0]); | |
790 | } | |
791 | } | |
792 | ||
793 | /* Return the type of TYPE followed by DIMS pairs of [ ]. | |
794 | If DIMS == 0, TYPE is returned. */ | |
795 | ||
796 | struct type * | |
fba45db2 | 797 | java_array_type (struct type *type, int dims) |
c906108c SS |
798 | { |
799 | struct type *range_type; | |
800 | ||
801 | while (dims-- > 0) | |
802 | { | |
803 | range_type = create_range_type (NULL, builtin_type_int, 0, 0); | |
804 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ | |
805 | type = create_array_type (NULL, type, range_type); | |
806 | } | |
807 | ||
808 | return type; | |
809 | } | |
810 | ||
811 | /* Create a Java string in the inferior from a (Utf8) literal. */ | |
812 | ||
75c9979e | 813 | static struct value * |
fba45db2 | 814 | java_value_string (char *ptr, int len) |
c906108c | 815 | { |
c5aa993b | 816 | error ("not implemented - java_value_string"); /* FIXME */ |
c906108c SS |
817 | } |
818 | ||
819 | /* Print the character C on STREAM as part of the contents of a literal | |
820 | string whose delimiter is QUOTER. Note that that format for printing | |
821 | characters and strings is language specific. */ | |
822 | ||
823 | static void | |
fba45db2 | 824 | java_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c SS |
825 | { |
826 | switch (c) | |
827 | { | |
828 | case '\\': | |
829 | case '\'': | |
830 | fprintf_filtered (stream, "\\%c", c); | |
831 | break; | |
832 | case '\b': | |
833 | fputs_filtered ("\\b", stream); | |
834 | break; | |
835 | case '\t': | |
836 | fputs_filtered ("\\t", stream); | |
837 | break; | |
838 | case '\n': | |
839 | fputs_filtered ("\\n", stream); | |
840 | break; | |
841 | case '\f': | |
842 | fputs_filtered ("\\f", stream); | |
843 | break; | |
844 | case '\r': | |
845 | fputs_filtered ("\\r", stream); | |
846 | break; | |
847 | default: | |
848 | if (isprint (c)) | |
849 | fputc_filtered (c, stream); | |
850 | else | |
851 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); | |
852 | break; | |
853 | } | |
854 | } | |
855 | ||
75c9979e | 856 | static struct value * |
fba45db2 KB |
857 | evaluate_subexp_java (struct type *expect_type, register struct expression *exp, |
858 | register int *pos, enum noside noside) | |
c906108c SS |
859 | { |
860 | int pc = *pos; | |
861 | int i; | |
862 | char *name; | |
863 | enum exp_opcode op = exp->elts[*pos].opcode; | |
75c9979e AC |
864 | struct value *arg1; |
865 | struct value *arg2; | |
c906108c SS |
866 | struct type *type; |
867 | switch (op) | |
868 | { | |
869 | case UNOP_IND: | |
870 | if (noside == EVAL_SKIP) | |
871 | goto standard; | |
872 | (*pos)++; | |
873 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
874 | if (is_object_type (VALUE_TYPE (arg1))) | |
875 | { | |
876 | struct type *type; | |
877 | ||
878 | type = type_from_class (java_class_from_object (arg1)); | |
879 | arg1 = value_cast (lookup_pointer_type (type), arg1); | |
880 | } | |
881 | if (noside == EVAL_SKIP) | |
882 | goto nosideret; | |
883 | return value_ind (arg1); | |
884 | ||
885 | case BINOP_SUBSCRIPT: | |
886 | (*pos)++; | |
887 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
888 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
889 | if (noside == EVAL_SKIP) | |
890 | goto nosideret; | |
891 | /* If the user attempts to subscript something that is not an | |
c5aa993b JM |
892 | array or pointer type (like a plain int variable for example), |
893 | then report this as an error. */ | |
894 | ||
c906108c SS |
895 | COERCE_REF (arg1); |
896 | type = check_typedef (VALUE_TYPE (arg1)); | |
897 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
898 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
899 | name = TYPE_NAME (type); | |
900 | if (name == NULL) | |
901 | name = TYPE_TAG_NAME (type); | |
902 | i = name == NULL ? 0 : strlen (name); | |
903 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 904 | && i > 2 && name[i - 1] == ']') |
c906108c SS |
905 | { |
906 | CORE_ADDR address; | |
907 | long length, index; | |
908 | struct type *el_type; | |
909 | char buf4[4]; | |
910 | ||
75c9979e AC |
911 | struct value *clas = java_class_from_object (arg1); |
912 | struct value *temp = clas; | |
c906108c SS |
913 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
914 | temp = value_struct_elt (&temp, NULL, "methods", | |
c5aa993b | 915 | NULL, "structure"); |
c906108c SS |
916 | VALUE_TYPE (temp) = VALUE_TYPE (clas); |
917 | el_type = type_from_class (temp); | |
918 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) | |
919 | el_type = lookup_pointer_type (el_type); | |
920 | ||
921 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
922 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
1aa20aa8 | 923 | address = value_as_address (arg1); |
c906108c SS |
924 | address += JAVA_OBJECT_SIZE; |
925 | read_memory (address, buf4, 4); | |
926 | length = (long) extract_signed_integer (buf4, 4); | |
927 | index = (long) value_as_long (arg2); | |
928 | if (index >= length || index < 0) | |
929 | error ("array index (%ld) out of bounds (length: %ld)", | |
930 | index, length); | |
931 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
932 | return value_at (el_type, address, NULL); | |
933 | } | |
934 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
935 | { | |
936 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
937 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
938 | else | |
939 | return value_subscript (arg1, arg2); | |
940 | } | |
941 | if (name) | |
942 | error ("cannot subscript something of type `%s'", name); | |
943 | else | |
944 | error ("cannot subscript requested type"); | |
945 | ||
946 | case OP_STRING: | |
947 | (*pos)++; | |
948 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
949 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
950 | if (noside == EVAL_SKIP) | |
951 | goto nosideret; | |
952 | return java_value_string (&exp->elts[pc + 2].string, i); | |
953 | ||
954 | case STRUCTOP_STRUCT: | |
955 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); | |
956 | /* Convert object field (such as TYPE.class) to reference. */ | |
957 | if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT) | |
958 | arg1 = value_addr (arg1); | |
959 | return arg1; | |
960 | default: | |
961 | break; | |
962 | } | |
963 | standard: | |
964 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 965 | nosideret: |
c906108c SS |
966 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
967 | } | |
968 | ||
969 | static struct type * | |
fba45db2 | 970 | java_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
971 | { |
972 | switch (typeid) | |
973 | { | |
c5aa993b JM |
974 | case FT_VOID: |
975 | return java_void_type; | |
976 | case FT_BOOLEAN: | |
977 | return java_boolean_type; | |
978 | case FT_CHAR: | |
979 | return java_char_type; | |
980 | case FT_FLOAT: | |
981 | return java_float_type; | |
982 | case FT_DBL_PREC_FLOAT: | |
983 | return java_double_type; | |
984 | case FT_BYTE: | |
985 | case FT_SIGNED_CHAR: | |
986 | return java_byte_type; | |
987 | case FT_SHORT: | |
988 | case FT_SIGNED_SHORT: | |
989 | return java_short_type; | |
990 | case FT_INTEGER: | |
991 | case FT_SIGNED_INTEGER: | |
992 | return java_int_type; | |
993 | case FT_LONG: | |
994 | case FT_SIGNED_LONG: | |
995 | return java_long_type; | |
c906108c SS |
996 | } |
997 | return c_create_fundamental_type (objfile, typeid); | |
998 | } | |
999 | ||
9a3d7dfd AF |
1000 | static char *java_demangle (const char *mangled, int options) |
1001 | { | |
1002 | return cplus_demangle (mangled, options | DMGL_JAVA); | |
1003 | } | |
1004 | ||
1005 | ||
c906108c SS |
1006 | /* Table mapping opcodes into strings for printing operators |
1007 | and precedences of the operators. */ | |
1008 | ||
1009 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
1010 | { |
1011 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
1012 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
1013 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1014 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1015 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1016 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1017 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1018 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1019 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1020 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1021 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1022 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1023 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1024 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1025 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c906108c | 1026 | #if 0 |
c5aa993b | 1027 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
c906108c | 1028 | #endif |
c5aa993b JM |
1029 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1030 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1031 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1032 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1033 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1034 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1035 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1036 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1037 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c906108c | 1038 | #if 0 |
c5aa993b | 1039 | {"instanceof", ? ? ?, ? ? ?, 0}, |
c906108c | 1040 | #endif |
c5aa993b JM |
1041 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1042 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
1043 | {NULL, 0, 0, 0} | |
c906108c SS |
1044 | }; |
1045 | ||
c5aa993b JM |
1046 | const struct language_defn java_language_defn = |
1047 | { | |
1048 | "java", /* Language name */ | |
c906108c SS |
1049 | language_java, |
1050 | c_builtin_types, | |
1051 | range_check_off, | |
1052 | type_check_off, | |
63872f9d | 1053 | case_sensitive_on, |
c906108c SS |
1054 | java_parse, |
1055 | java_error, | |
1056 | evaluate_subexp_java, | |
1057 | c_printchar, /* Print a character constant */ | |
1058 | c_printstr, /* Function to print string constant */ | |
1059 | java_emit_char, /* Function to print a single character */ | |
1060 | java_create_fundamental_type, /* Create fundamental type in this language */ | |
1061 | java_print_type, /* Print a type using appropriate syntax */ | |
1062 | java_val_print, /* Print a value using appropriate syntax */ | |
1063 | java_value_print, /* Print a top-level value */ | |
f636b87d | 1064 | NULL, /* Language specific skip_trampoline */ |
9a3d7dfd | 1065 | java_demangle, /* Language specific symbol demangler */ |
c5aa993b JM |
1066 | {"", "", "", ""}, /* Binary format info */ |
1067 | {"0%lo", "0", "o", ""}, /* Octal format info */ | |
1068 | {"%ld", "", "d", ""}, /* Decimal format info */ | |
1069 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ | |
c906108c SS |
1070 | java_op_print_tab, /* expression operators for printing */ |
1071 | 0, /* not c-style arrays */ | |
1072 | 0, /* String lower bound */ | |
c5aa993b | 1073 | &builtin_type_char, /* Type of string elements */ |
c906108c SS |
1074 | LANG_MAGIC |
1075 | }; | |
1076 | ||
1077 | void | |
fba45db2 | 1078 | _initialize_java_language (void) |
c906108c SS |
1079 | { |
1080 | ||
c5aa993b JM |
1081 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL); |
1082 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL); | |
1083 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL); | |
1084 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL); | |
1085 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL); | |
1086 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL); | |
1087 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL); | |
1088 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL); | |
1089 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL); | |
c906108c SS |
1090 | |
1091 | add_language (&java_language_defn); | |
1092 | } | |
1093 | ||
1094 | /* Cleanup code that should be run on every "run". | |
1095 | We should use make_run_cleanup to have this be called. | |
1096 | But will that mess up values in value histry? FIXME */ | |
1097 | ||
a14ed312 | 1098 | extern void java_rerun_cleanup (void); |
392a587b | 1099 | void |
fba45db2 | 1100 | java_rerun_cleanup (void) |
c906108c SS |
1101 | { |
1102 | if (class_symtab != NULL) | |
1103 | { | |
c5aa993b | 1104 | free_symtab (class_symtab); /* ??? */ |
c906108c SS |
1105 | class_symtab = NULL; |
1106 | } | |
1107 | if (dynamics_objfile != NULL) | |
1108 | { | |
1109 | free_objfile (dynamics_objfile); | |
1110 | dynamics_objfile = NULL; | |
1111 | } | |
1112 | ||
1113 | java_object_type = NULL; | |
1114 | } |