1 /* Support for printing Java values 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"
32 java_value_print (val
, stream
, format
, pretty
)
36 enum val_prettyprint pretty
;
38 struct type
*type
= VALUE_TYPE (val
);
39 CORE_ADDR address
= VALUE_ADDRESS (val
) + VALUE_OFFSET (val
);
40 if (is_object_type (type
))
42 CORE_ADDR obj_addr
= unpack_pointer (type
, VALUE_CONTENTS (val
));
46 = value_at (TYPE_TARGET_TYPE (type
), obj_addr
, NULL
);
47 type
= type_from_class (java_class_from_object (obj_val
));
48 type
= lookup_pointer_type (type
);
51 if (TYPE_CODE (type
) == TYPE_CODE_PTR
&& ! value_logical_not (val
))
53 type_print (TYPE_TARGET_TYPE (type
), "", stream
, -1);
56 if (TYPE_CODE (type
) == TYPE_CODE_STRUCT
&& TYPE_TAG_NAME (type
) != NULL
57 && TYPE_TAG_NAME (type
)[0] == '[')
59 value_ptr len
= value_at (java_int_type
, address
+ JAVA_OBJECT_SIZE
, 0);
60 long length
= value_as_long (len
);
61 fprintf_filtered (stream
, "{");
62 fprintf_filtered (stream
, "length = %ld", length
);
63 fprintf_filtered (stream
, "}");
67 return (val_print (type
, VALUE_CONTENTS (val
), address
,
68 stream
, format
, 1, 0, pretty
));
72 java_val_print (type
, valaddr
, address
, stream
, format
, deref_ref
, recurse
,
81 enum val_prettyprint pretty
;
83 register unsigned int i
= 0; /* Number of characters printed */
88 switch (TYPE_CODE (type
))
91 if (format
&& format
!= 's')
93 print_scalar_formatted (valaddr
, type
, format
, 0, stream
);
97 if (vtblprint
&& cp_is_vtbl_ptr_type(type
))
99 /* Print the unmangled name if desired. */
100 /* Print vtable entry - we only get here if we ARE using
101 -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
102 print_address_demangle(extract_address (valaddr
, TYPE_LENGTH (type
)),
107 addr
= unpack_pointer (type
, valaddr
);
110 fputs_filtered ("null", stream
);
113 elttype
= check_typedef (TYPE_TARGET_TYPE (type
));
115 print_unpacked_pointer
:
116 elttype
= check_typedef (TYPE_TARGET_TYPE (type
));
118 if (TYPE_CODE (elttype
) == TYPE_CODE_FUNC
)
120 /* Try to print what function it points to. */
121 print_address_demangle (addr
, stream
, demangle
);
122 /* Return value is irrelevant except for string pointers. */
126 if (addressprint
&& format
!= 's')
128 fputs_filtered ("@", stream
);
129 print_longest (stream
, 'x', 0, (ULONGEST
) addr
);
135 return c_val_print (type
, valaddr
, address
, stream
, format
,
136 deref_ref
, recurse
, pretty
);
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