1 /* Java language support routines for GDB, the GNU debugger.
2 Copyright 1997 Free Software Foundation, Inc.
4 This file is part of GDB.
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.
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.
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, Boston, MA 02111-1307, USA. */
23 #include "expression.h"
24 #include "parser-defs.h"
30 #include "gdb_string.h"
36 struct type *java_int_type;
37 struct type *java_byte_type;
38 struct type *java_short_type;
39 struct type *java_long_type;
40 struct type *java_boolean_type;
41 struct type *java_char_type;
42 struct type *java_float_type;
43 struct type *java_double_type;
44 struct type *java_void_type;
46 struct type *java_object_type;
48 /* This objfile contains symtabs that have been dynamically created
49 to record dynamically loaded Java classes and dynamically
50 compiled java methods. */
51 struct objfile *dynamics_objfile = NULL;
53 struct type *java_link_class_type PARAMS((struct type*, value_ptr));
56 get_dynamics_objfile ()
58 if (dynamics_objfile == NULL)
60 dynamics_objfile = allocate_objfile (NULL, 0);
62 return dynamics_objfile;
66 /* symtab contains classes read from the inferior. */
68 static struct symtab *class_symtab = NULL;
70 /* Maximum number of class in class_symtab before relocation is needed. */
72 static int class_symtab_space;
75 get_java_class_symtab ()
77 if (class_symtab == NULL)
79 struct objfile *objfile = get_dynamics_objfile();
80 struct blockvector *bv;
82 class_symtab = allocate_symtab ("<java-classes>", objfile);
83 class_symtab->language = language_java;
84 bv = (struct blockvector *)
85 obstack_alloc (&objfile->symbol_obstack, sizeof (struct blockvector));
86 BLOCKVECTOR_NBLOCKS (bv) = 1;
87 BLOCKVECTOR (class_symtab) = bv;
89 /* Allocate dummy STATIC_BLOCK. */
91 obstack_alloc (&objfile->symbol_obstack, sizeof (struct block));
95 BLOCK_FUNCTION (bl) = NULL;
96 BLOCK_SUPERBLOCK (bl) = NULL;
97 BLOCK_GCC_COMPILED (bl) = 0;
98 BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl;
100 /* Allocate GLOBAL_BLOCK. This has to be relocatable. */
101 class_symtab_space = 128;
102 bl = (struct block *)
103 mmalloc (objfile->md,
104 sizeof (struct block)
105 + ((class_symtab_space - 1) * sizeof (struct symbol *)));
106 *bl = *BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
107 BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
108 class_symtab->free_ptr = (char *) bl;
114 add_class_symtab_symbol (sym)
117 struct symtab *symtab = get_java_class_symtab ();
118 struct blockvector *bv = BLOCKVECTOR (symtab);
119 struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
120 if (BLOCK_NSYMS (bl) >= class_symtab_space)
122 /* Need to re-allocate. */
123 class_symtab_space *= 2;
124 bl = (struct block *)
125 mrealloc (symtab->objfile->md, bl,
126 sizeof (struct block)
127 + ((class_symtab_space - 1) * sizeof (struct symbol *)));
128 class_symtab->free_ptr = (char *) bl;
129 BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl;
132 BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym;
133 BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1;
137 add_class_symbol (type, addr)
142 sym = (struct symbol *)
143 obstack_alloc (&dynamics_objfile->symbol_obstack, sizeof (struct symbol));
144 memset (sym, 0, sizeof (struct symbol));
145 SYMBOL_LANGUAGE (sym) = language_java;
146 SYMBOL_NAME (sym) = TYPE_TAG_NAME (type);
147 SYMBOL_CLASS (sym) = LOC_TYPEDEF;
148 /* SYMBOL_VALUE (sym) = valu;*/
149 SYMBOL_TYPE (sym) = type;
150 SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
151 SYMBOL_VALUE_ADDRESS (sym) = addr;
157 java_lookup_class (name)
161 sym = lookup_symbol (name, expression_context_block, STRUCT_NAMESPACE,
162 (int *) 0, (struct symtab **) NULL);
164 return SYMBOL_TYPE (sym);
167 if (called from parser)
169 call lookup_class (or similar) in inferior;
172 addr = found in inferior;
177 type = alloc_type (objfile);
178 TYPE_CODE (type) = TYPE_CODE_STRUCT;
179 INIT_CPLUS_SPECIFIC (type);
180 TYPE_TAG_NAME (type) = obsavestring (name, strlen(name), &objfile->type_obstack);
181 TYPE_FLAGS (type) |= TYPE_FLAG_STUB;
185 /* FIXME - should search inferior's symbol table. */
190 /* Return a nul-terminated string (allocated on OBSTACK) for
191 a name given by NAME (which has type Utf8Const*). */
194 get_java_utf8_name (obstack, name)
195 struct obstack *obstack;
199 value_ptr temp = name;
202 temp = value_struct_elt (&temp, NULL, "length", NULL, "structure");
203 name_length = (int) value_as_long (temp);
204 data_addr = VALUE_ADDRESS (temp) + VALUE_OFFSET (temp)
205 + TYPE_LENGTH (VALUE_TYPE (temp));
206 chrs = obstack_alloc (obstack, name_length+1);
207 chrs [name_length] = '\0';
208 read_memory_section (data_addr, chrs, name_length, NULL);
213 java_class_from_object (obj_val)
216 /* This is all rather inefficient, since the offsets of dtable and
217 class are fixed. FIXME */
218 value_ptr dtable_val;
220 if (TYPE_CODE (VALUE_TYPE (obj_val)) == TYPE_CODE_PTR
221 && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val))) == 0)
224 sym = lookup_symbol ("Hjava_lang_Object", NULL, STRUCT_NAMESPACE,
225 (int *) 0, (struct symtab **) NULL);
227 obj_val = value_at (VALUE_TYPE (sym),
228 value_as_pointer (obj_val), NULL);
231 dtable_val = value_struct_elt (&obj_val, NULL, "dtable", NULL, "structure");
232 return value_struct_elt (&dtable_val, NULL, "class", NULL, "structure");
235 /* Check if CLASS_IS_PRIMITIVE(value of clas): */
237 java_class_is_primitive (clas)
240 value_ptr dtable = value_struct_elt (&clas, NULL, "dtable", NULL, "struct");
241 CORE_ADDR i = value_as_pointer (dtable);
242 return (int) (i & 0x7fffffff) == (int) 0x7fffffff;
245 /* Read a Kaffe Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */
248 type_from_class (clas)
254 struct objfile *objfile;
262 type = check_typedef (VALUE_TYPE (clas));
263 if (TYPE_CODE (type) == TYPE_CODE_PTR)
265 if (value_logical_not (clas))
267 clas = value_ind (clas);
269 addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas);
272 get_java_class_symtab ();
273 bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK);
274 for (i = BLOCK_NSYMS (bl); --i >= 0; )
276 struct symbol *sym = BLOCK_SYM (bl, i);
277 if (SYMBOL_VALUE_ADDRESS (sym) == addr)
278 return SYMBOL_TYPE (sym);
282 objfile = get_dynamics_objfile();
283 if (java_class_is_primitive (clas))
287 sig = value_struct_elt (&temp, NULL, "msize", NULL, "structure");
288 return java_primitive_type (value_as_long (sig));
291 /* Get Class name. */
292 /* if clasloader non-null, prepend loader address. FIXME */
294 utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure");
295 name = get_java_utf8_name (&objfile->type_obstack, utf8_name);
296 for (nptr = name; *nptr != 0; nptr++)
302 type = java_lookup_class (name);
306 type = alloc_type (objfile);
307 TYPE_CODE (type) = TYPE_CODE_STRUCT;
308 INIT_CPLUS_SPECIFIC (type);
314 /* Set array element type. */
315 temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
316 VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas));
317 TYPE_TARGET_TYPE (type) = type_from_class (temp);
320 ALLOCATE_CPLUS_STRUCT_TYPE (type);
321 TYPE_TAG_NAME (type) = name;
323 add_class_symtab_symbol (add_class_symbol (type, addr));
324 return java_link_class_type (type, clas);
327 /* Fill in class TYPE with data from the CLAS value. */
330 java_link_class_type (type, clas)
335 char *unqualified_name;
336 char *name = TYPE_TAG_NAME (type);
337 int ninterfaces, nfields, nmethods;
338 int type_is_object = 0;
339 struct fn_field *fn_fields;
340 struct fn_fieldlist *fn_fieldlists;
341 value_ptr fields, field, method, methods;
343 struct objfile *objfile = get_dynamics_objfile();
346 unqualified_name = strrchr (name, '.');
347 if (unqualified_name == NULL)
348 unqualified_name = name;
351 temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure");
352 if (name != NULL && strcmp (name, "java.lang.Object") == 0)
354 tsuper = get_java_object_type ();
355 if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR)
356 tsuper = TYPE_TARGET_TYPE (tsuper);
360 tsuper = type_from_class (temp);
366 ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure"));
368 TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces;
370 nfields = value_as_long (value_struct_elt (&temp, NULL, "nfields", NULL, "structure"));
371 nfields += TYPE_N_BASECLASSES (type);
372 nfields++; /* Add one for dummy "class" field. */
373 TYPE_NFIELDS (type) = nfields;
374 TYPE_FIELDS (type) = (struct field *)
375 TYPE_ALLOC (type, sizeof (struct field) * nfields);
377 memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);
379 TYPE_FIELD_PRIVATE_BITS (type) =
380 (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
381 B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
383 TYPE_FIELD_PROTECTED_BITS (type) =
384 (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
385 B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
387 TYPE_FIELD_IGNORE_BITS (type) =
388 (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
389 B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
391 TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
392 TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
393 B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
397 TYPE_BASECLASS (type, 0) = tsuper;
399 SET_TYPE_FIELD_PRIVATE (type, 0);
403 if (name[0] == '[' && tsuper != NULL)
405 TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */
410 temp = value_struct_elt (&temp, NULL, "bfsize", NULL, "structure");
411 TYPE_LENGTH (type) = value_as_long (temp);
415 nfields--; /* First set up dummy "class" field. */
416 SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields),
417 VALUE_ADDRESS (clas) + VALUE_OFFSET (clas));
418 TYPE_FIELD_NAME (type, nfields) = "class";
419 TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas);
420 SET_TYPE_FIELD_PRIVATE (type, nfields);
422 for (i = TYPE_N_BASECLASSES (type); i < nfields; i++)
429 fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure");
430 field = value_ind (fields);
433 { /* Re-use field value for next field. */
434 VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field));
435 VALUE_LAZY (field) = 1;
438 temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
439 TYPE_FIELD_NAME (type, i) =
440 get_java_utf8_name (&objfile->type_obstack, temp);
442 accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags",
445 temp = value_struct_elt (&temp, NULL, "info", NULL, "structure");
446 boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset",
448 if (accflags & 0x0001) /* public access */
452 if (accflags & 0x0002) /* private access */
454 SET_TYPE_FIELD_PRIVATE (type, i);
456 if (accflags & 0x0004) /* protected access */
458 SET_TYPE_FIELD_PROTECTED (type, i);
460 if (accflags & 0x0008) /* ACC_STATIC */
461 SET_FIELD_PHYSADDR(TYPE_FIELD(type, i), boffset);
463 TYPE_FIELD_BITPOS (type, i) = 8 * boffset;
464 if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */
466 TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */
472 temp = value_struct_elt (&temp, NULL, "type", NULL, "structure");
473 ftype = type_from_class (temp);
474 if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT)
475 ftype = lookup_pointer_type (ftype);
476 TYPE_FIELD_TYPE (type, i) = ftype;
481 nmethods = value_as_long (value_struct_elt (&temp, NULL, "nmethods",
483 TYPE_NFN_FIELDS_TOTAL (type) = nmethods;
484 j = nmethods * sizeof (struct fn_field);
485 fn_fields = (struct fn_field*)
486 obstack_alloc (&dynamics_objfile->symbol_obstack, j);
487 memset (fn_fields, 0, j);
488 fn_fieldlists = (struct fn_fieldlist*)
489 alloca (nmethods * sizeof (struct fn_fieldlist));
492 for (i = 0; i < nmethods; i++)
499 methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
500 method = value_ind (methods);
503 { /* Re-use method value for next method. */
504 VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method));
505 VALUE_LAZY (method) = 1;
508 /* Get method name. */
510 temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
511 mname = get_java_utf8_name (&objfile->type_obstack, temp);
512 if (strcmp (mname, "<init>") == 0)
513 mname = unqualified_name;
515 /* Check for an existing method with the same name.
516 * This makes building the fn_fieldslists an O(nmethods**2)
517 * operation. That could be using hashing, but I doubt it
518 * is worth it. Note that we do maintain the order of methods
519 * in the inferior's Method table (as long as that is grouped
520 * by method name), which I think is desirable. --PB */
521 for (k = 0, j = TYPE_NFN_FIELDS (type); ; )
524 { /* No match - new method name. */
525 j = TYPE_NFN_FIELDS(type)++;
526 fn_fieldlists[j].name = mname;
527 fn_fieldlists[j].length = 1;
528 fn_fieldlists[j].fn_fields = &fn_fields[i];
532 if (strcmp (mname, fn_fieldlists[j].name) == 0)
533 { /* Found an existing method with the same name. */
535 if (mname != unqualified_name)
536 obstack_free (&objfile->type_obstack, mname);
537 mname = fn_fieldlists[j].name;
538 fn_fieldlists[j].length++;
539 k = i - k; /* Index of new slot. */
540 /* Shift intervening fn_fields (between k and i) down. */
541 for (l = i; l > k; l--) fn_fields[l] = fn_fields[l-1];
542 for (l = TYPE_NFN_FIELDS (type); --l > j; )
543 fn_fieldlists[l].fn_fields++;
546 k += fn_fieldlists[j].length;
548 fn_fields[k].physname = "";
549 fn_fields[k].is_stub = 1;
550 fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME*/
551 TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD;
554 j = TYPE_NFN_FIELDS(type) * sizeof (struct fn_fieldlist);
555 TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist*)
556 obstack_alloc (&dynamics_objfile->symbol_obstack, j);
557 memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
563 get_java_object_type ()
565 return java_object_type;
569 is_object_type (type)
572 CHECK_TYPEDEF (type);
573 if (TYPE_CODE (type) == TYPE_CODE_PTR)
575 struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type));
577 if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT)
579 while (TYPE_N_BASECLASSES (ttype) > 0)
580 ttype = TYPE_BASECLASS (ttype, 0);
581 name = TYPE_TAG_NAME (ttype);
582 if (name != NULL && strcmp (name, "java.lang.Object") == 0)
584 name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char*)0;
585 if (name != NULL && strcmp (name, "dtable") == 0)
587 if (java_object_type == NULL)
588 java_object_type = type;
596 java_primitive_type (signature)
601 case 'B': return java_byte_type;
602 case 'S': return java_short_type;
603 case 'I': return java_int_type;
604 case 'J': return java_long_type;
605 case 'Z': return java_boolean_type;
606 case 'C': return java_char_type;
607 case 'F': return java_float_type;
608 case 'D': return java_double_type;
609 case 'V': return java_void_type;
611 error ("unknown signature '%c' for primitive type", (char) signature);
614 /* Return the demangled name of the Java type signature string SIGNATURE,
615 as a freshly allocated copy. */
618 java_demangle_type_signature (signature)
625 while (*signature == '[')
630 switch (signature[0])
633 /* Substract 2 for 'L' and ';', but add 1 for final nul. */
634 result = xmalloc (strlen (signature) - 1 + 2 * array);
637 for ( ; *signature != ';' && *signature != '\0'; signature++)
639 if (*signature == '/')
646 ptr = TYPE_NAME (java_primitive_type (signature[0]));
648 result = xmalloc (i + 1 + 2 * array);
649 strcpy (result, ptr);
663 java_lookup_type (signature)
666 switch (signature[0])
670 error ("java_lookup_type not fully inmplemented");
672 return java_primitive_type (signature[0]);
676 /* Return the type of TYPE followed by DIMS pairs of [ ].
677 If DIMS == 0, TYPE is returned. */
680 java_array_type (type, dims)
686 error ("array types not implemented");
689 /* Create a Java string in the inferior from a (Utf8) literal. */
692 java_value_string (ptr, len)
696 error ("not implemented - java_value_string"); /* FIXME */
699 /* Print the character C on STREAM as part of the contents of a literal
700 string whose delimiter is QUOTER. Note that that format for printing
701 characters and strings is language specific. */
704 java_emit_char (c, stream, quoter)
709 if (PRINT_LITERAL_FORM (c))
711 if (c == '\\' || c == quoter)
713 fputs_filtered ("\\", stream);
715 fprintf_filtered (stream, "%c", c);
722 fputs_filtered ("\\n", stream);
725 fputs_filtered ("\\b", stream);
728 fputs_filtered ("\\t", stream);
731 fputs_filtered ("\\f", stream);
734 fputs_filtered ("\\r", stream);
737 fputs_filtered ("\\e", stream);
740 fputs_filtered ("\\a", stream);
744 fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
746 fprintf_filtered (stream, "\\u%.4x", (unsigned int) c);
753 java_printchar (c, stream)
757 fputs_filtered ("'", stream);
758 java_emit_char (c, stream, '\'');
759 fputs_filtered ("'", stream);
763 evaluate_subexp_java (expect_type, exp, pos, noside)
764 struct type *expect_type;
765 register struct expression *exp;
772 enum exp_opcode op = exp->elts[*pos].opcode;
773 value_ptr arg1, arg2;
778 if (noside == EVAL_SKIP)
781 arg1 = evaluate_subexp_standard (expect_type, exp, pos, EVAL_NORMAL);
782 if (is_object_type (VALUE_TYPE (arg1)))
784 struct type *type = type_from_class (java_class_from_object (arg1));
785 arg1 = value_cast (lookup_pointer_type (type), arg1);
787 if (noside == EVAL_SKIP)
789 return value_ind (arg1);
791 case BINOP_SUBSCRIPT:
793 arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
794 arg2 = evaluate_subexp_with_coercion (exp, pos, noside);
795 if (noside == EVAL_SKIP)
797 /* If the user attempts to subscript something that is not an
798 array or pointer type (like a plain int variable for example),
799 then report this as an error. */
802 type = check_typedef (VALUE_TYPE (arg1));
803 name = TYPE_NAME (type);
804 if (TYPE_CODE (type) == TYPE_CODE_PTR)
806 type = check_typedef (TYPE_TARGET_TYPE (type));
807 if (TYPE_CODE (type) == TYPE_CODE_STRUCT
808 && TYPE_TAG_NAME (type) != NULL
809 && TYPE_TAG_NAME (type)[0] == '[')
813 struct type *el_type;
816 value_ptr clas = java_class_from_object(arg1);
817 value_ptr temp = clas;
818 /* Get CLASS_ELEMENT_TYPE of the array type. */
819 temp = value_struct_elt (&temp, NULL, "methods",
821 VALUE_TYPE (temp) = VALUE_TYPE (clas);
822 el_type = type_from_class (temp);
823 if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT)
824 el_type = lookup_pointer_type (el_type);
826 if (noside == EVAL_AVOID_SIDE_EFFECTS)
827 return value_zero (el_type, VALUE_LVAL (arg1));
828 address = value_as_pointer (arg1);
829 address += JAVA_OBJECT_SIZE;
830 read_memory (address, buf4, 4);
831 length = (long) extract_signed_integer (buf4, 4);
832 index = (long) value_as_long (arg2);
833 if (index >= length || index < 0)
834 error ("array index (%ld) out of bounds (length: %ld)",
836 address = (address + 4) + index * TYPE_LENGTH (el_type);
837 return value_at (el_type, address, NULL);
840 else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
842 if (noside == EVAL_AVOID_SIDE_EFFECTS)
843 return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
845 return value_subscript (arg1, arg2);
848 name == TYPE_TAG_NAME (type);
850 error ("cannot subscript something of type `%s'", name);
852 error ("cannot subscript requested type");
856 i = longest_to_int (exp->elts[pc + 1].longconst);
857 (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1);
858 if (noside == EVAL_SKIP)
860 return java_value_string (&exp->elts[pc + 2].string, i);
862 case STRUCTOP_STRUCT:
863 arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside);
864 /* Convert object field (such as TYPE.class) to reference. */
865 if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT)
866 arg1 = value_addr (arg1);
872 return evaluate_subexp_standard (expect_type, exp, pos, noside);
874 return value_from_longest (builtin_type_long, (LONGEST) 1);
878 java_create_fundamental_type (objfile, typeid)
879 struct objfile *objfile;
884 case FT_VOID: return java_void_type;
885 case FT_BOOLEAN: return java_boolean_type;
886 case FT_CHAR: return java_char_type;
887 case FT_FLOAT: return java_float_type;
888 case FT_DBL_PREC_FLOAT: return java_double_type;
889 case FT_BYTE: case FT_SIGNED_CHAR: return java_byte_type;
890 case FT_SHORT: case FT_SIGNED_SHORT: return java_short_type;
891 case FT_INTEGER: case FT_SIGNED_INTEGER: return java_int_type;
892 case FT_LONG: case FT_SIGNED_LONG: return java_long_type;
894 return c_create_fundamental_type (objfile, typeid);
897 /* Table mapping opcodes into strings for printing operators
898 and precedences of the operators. */
900 const struct op_print java_op_print_tab[] =
902 {",", BINOP_COMMA, PREC_COMMA, 0},
903 {"=", BINOP_ASSIGN, PREC_ASSIGN, 1},
904 {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
905 {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
906 {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
907 {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
908 {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
909 {"==", BINOP_EQUAL, PREC_EQUAL, 0},
910 {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0},
911 {"<=", BINOP_LEQ, PREC_ORDER, 0},
912 {">=", BINOP_GEQ, PREC_ORDER, 0},
913 {">", BINOP_GTR, PREC_ORDER, 0},
914 {"<", BINOP_LESS, PREC_ORDER, 0},
915 {">>", BINOP_RSH, PREC_SHIFT, 0},
916 {"<<", BINOP_LSH, PREC_SHIFT, 0},
918 {">>>", BINOP_???, PREC_SHIFT, 0},
920 {"+", BINOP_ADD, PREC_ADD, 0},
921 {"-", BINOP_SUB, PREC_ADD, 0},
922 {"*", BINOP_MUL, PREC_MUL, 0},
923 {"/", BINOP_DIV, PREC_MUL, 0},
924 {"%", BINOP_REM, PREC_MUL, 0},
925 {"-", UNOP_NEG, PREC_PREFIX, 0},
926 {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
927 {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0},
928 {"*", UNOP_IND, PREC_PREFIX, 0},
930 {"instanceof", ???, ???, 0},
932 {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0},
933 {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0},
937 const struct language_defn java_language_defn = {
938 "java", /* Language name */
945 evaluate_subexp_java,
946 java_printchar, /* Print a character constant */
947 c_printstr, /* Function to print string constant */
948 java_create_fundamental_type, /* Create fundamental type in this language */
949 java_print_type, /* Print a type using appropriate syntax */
950 java_val_print, /* Print a value using appropriate syntax */
951 java_value_print, /* Print a top-level value */
952 {"", "", "", ""}, /* Binary format info */
953 {"0%lo", "0", "o", ""}, /* Octal format info */
954 {"%ld", "", "d", ""}, /* Decimal format info */
955 {"0x%lx", "0x", "x", ""}, /* Hex format info */
956 java_op_print_tab, /* expression operators for printing */
957 0, /* not c-style arrays */
958 0, /* String lower bound */
959 &builtin_type_char, /* Type of string elements */
964 _initialize_java_language ()
967 java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL);
968 java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL);
969 java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL);
970 java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL);
971 java_boolean_type= init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL);
972 java_char_type = init_type (TYPE_CODE_CHAR, 2, 0, "char", NULL);
973 java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL);
974 java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL);
975 java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL);
977 add_language (&java_language_defn);
980 /* Cleanup code that should be run on every "run".
981 We should use make_run_cleanup to have this be called.
982 But will that mess up values in value histry? FIXME */
984 void java_rerun_cleanup ()
986 if (class_symtab != NULL)
988 free_symtab (class_symtab); /* ??? */
991 if (dynamics_objfile != NULL)
993 free_objfile (dynamics_objfile);
994 dynamics_objfile = NULL;
997 java_object_type = NULL;