Update x86 linker tests for --disable-x86-relax-relocations
[deliverable/binutils-gdb.git] / gdb / jv-typeprint.c
CommitLineData
c906108c 1/* Support for printing Java types for GDB, the GNU debugger.
618f726f 2 Copyright (C) 1997-2016 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
a9762ec7 8 the Free Software Foundation; either version 3 of the License, or
c5aa993b 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 16 You should have received a copy of the GNU General Public License
a9762ec7 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
c906108c
SS
18
19
20#include "defs.h"
21#include "symtab.h"
22#include "gdbtypes.h"
23#include "value.h"
24#include "demangle.h"
50f182aa 25#include "gdb-demangle.h"
c906108c 26#include "jv-lang.h"
c906108c 27#include "typeprint.h"
7a292a7a 28#include "c-lang.h"
015a42b4 29#include "cp-abi.h"
8de20a37 30#include "cp-support.h"
c906108c 31
392a587b
JM
32/* Local functions */
33
d9fcf2fb
JM
34static void java_type_print_base (struct type * type,
35 struct ui_file *stream, int show,
79d43c61
TT
36 int level,
37 const struct type_print_options *flags);
392a587b 38
c906108c 39static void
fba45db2 40java_type_print_derivation_info (struct ui_file *stream, struct type *type)
c906108c 41{
0d5cff50 42 const char *name;
c906108c
SS
43 int i;
44 int n_bases;
45 int prev;
46
47 n_bases = TYPE_N_BASECLASSES (type);
48
49 for (i = 0, prev = 0; i < n_bases; i++)
50 {
51 int kind;
52
c5aa993b 53 kind = BASETYPE_VIA_VIRTUAL (type, i) ? 'I' : 'E';
c906108c
SS
54
55 fputs_filtered (kind == prev ? ", "
56 : kind == 'I' ? " implements "
57 : " extends ",
58 stream);
59 prev = kind;
60 name = type_name_no_tag (TYPE_BASECLASS (type, i));
61
62 fprintf_filtered (stream, "%s", name ? name : "(null)");
63 }
64
65 if (i > 0)
66 fputs_filtered (" ", stream);
67}
68
69/* Print the name of the type (or the ultimate pointer target,
70 function value or array element), or the description of a
71 structure or union.
72
73 SHOW positive means print details about the type (e.g. enum values),
74 and print structure elements passing SHOW - 1 for show.
75 SHOW negative means just print the type name or struct tag if there is one.
76 If there is no name, print something sensible but concise like
77 "struct {...}".
78 SHOW zero means just print the type name or struct tag if there is one.
79 If there is no name, print something sensible but not as concise like
80 "struct {int x; int y;}".
81
82 LEVEL is the number of spaces to indent by.
83 We increase it for some recursive calls. */
84
392a587b 85static void
fba45db2 86java_type_print_base (struct type *type, struct ui_file *stream, int show,
79d43c61 87 int level, const struct type_print_options *flags)
c906108c 88{
52f0bd74
AC
89 int i;
90 int len;
c906108c
SS
91 char *mangled_name;
92 char *demangled_name;
c906108c 93
e0881a8e 94 QUIT;
c906108c
SS
95 wrap_here (" ");
96
97 if (type == NULL)
98 {
99 fputs_filtered ("<type unknown>", stream);
100 return;
101 }
102
103 /* When SHOW is zero or less, and there is a valid type name, then always
104 just print the type name directly from the type. */
105
106 if (show <= 0
107 && TYPE_NAME (type) != NULL)
108 {
109 fputs_filtered (TYPE_NAME (type), stream);
110 return;
111 }
112
f168693b 113 type = check_typedef (type);
c906108c
SS
114
115 switch (TYPE_CODE (type))
116 {
117 case TYPE_CODE_PTR:
79d43c61
TT
118 java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level,
119 flags);
c906108c
SS
120 break;
121
122 case TYPE_CODE_STRUCT:
123 if (TYPE_TAG_NAME (type) != NULL && TYPE_TAG_NAME (type)[0] == '[')
124 { /* array type */
125 char *name = java_demangle_type_signature (TYPE_TAG_NAME (type));
e0881a8e 126
c906108c 127 fputs_filtered (name, stream);
b8c9b27d 128 xfree (name);
c906108c
SS
129 break;
130 }
131
132 if (show >= 0)
133 fprintf_filtered (stream, "class ");
134
135 if (TYPE_TAG_NAME (type) != NULL)
136 {
137 fputs_filtered (TYPE_TAG_NAME (type), stream);
138 if (show > 0)
139 fputs_filtered (" ", stream);
140 }
141
142 wrap_here (" ");
143
144 if (show < 0)
145 {
146 /* If we just printed a tag name, no need to print anything else. */
147 if (TYPE_TAG_NAME (type) == NULL)
148 fprintf_filtered (stream, "{...}");
149 }
150 else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
151 {
152 java_type_print_derivation_info (stream, type);
c5aa993b 153
c906108c
SS
154 fprintf_filtered (stream, "{\n");
155 if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
7a292a7a 156 {
74a9bb82 157 if (TYPE_STUB (type))
7a292a7a
SS
158 fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
159 else
160 fprintfi_filtered (level + 4, stream, "<no data fields>\n");
161 }
c906108c
SS
162
163 /* If there is a base class for this type,
164 do not print the field that it occupies. */
165
166 len = TYPE_NFIELDS (type);
167 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
168 {
169 QUIT;
170 /* Don't print out virtual function table. */
61012eef 171 if (startswith (TYPE_FIELD_NAME (type, i), "_vptr")
c906108c
SS
172 && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
173 continue;
174
1777feb0 175 /* Don't print the dummy field "class". */
61012eef 176 if (startswith (TYPE_FIELD_NAME (type, i), "class"))
c906108c
SS
177 continue;
178
179 print_spaces_filtered (level + 4, stream);
180
181 if (HAVE_CPLUS_STRUCT (type))
7a292a7a
SS
182 {
183 if (TYPE_FIELD_PROTECTED (type, i))
184 fprintf_filtered (stream, "protected ");
185 else if (TYPE_FIELD_PRIVATE (type, i))
186 fprintf_filtered (stream, "private ");
187 else
188 fprintf_filtered (stream, "public ");
189 }
c906108c 190
d6a843b5 191 if (field_is_static (&TYPE_FIELD (type, i)))
c906108c
SS
192 fprintf_filtered (stream, "static ");
193
194 java_print_type (TYPE_FIELD_TYPE (type, i),
195 TYPE_FIELD_NAME (type, i),
79d43c61 196 stream, show - 1, level + 4, flags);
c906108c
SS
197
198 fprintf_filtered (stream, ";\n");
199 }
200
1777feb0 201 /* If there are both fields and methods, put a space between. */
c906108c
SS
202 len = TYPE_NFN_FIELDS (type);
203 if (len)
c5aa993b 204 fprintf_filtered (stream, "\n");
c906108c 205
1777feb0 206 /* Print out the methods. */
c906108c
SS
207
208 for (i = 0; i < len; i++)
209 {
210 struct fn_field *f;
211 int j;
0d5cff50
DE
212 const char *method_name;
213 const char *name;
c906108c
SS
214 int is_constructor;
215 int n_overloads;
216
217 f = TYPE_FN_FIELDLIST1 (type, i);
218 n_overloads = TYPE_FN_FIELDLIST_LENGTH (type, i);
219 method_name = TYPE_FN_FIELDLIST_NAME (type, i);
220 name = type_name_no_tag (type);
762f08a3 221 is_constructor = name && strcmp (method_name, name) == 0;
c906108c
SS
222
223 for (j = 0; j < n_overloads; j++)
224 {
1d06ead6 225 const char *real_physname;
e6a959d6
PA
226 const char *p;
227 char *physname;
c906108c
SS
228 int is_full_physname_constructor;
229
86ffb506
KS
230 real_physname = TYPE_FN_FIELD_PHYSNAME (f, j);
231
232 /* The physname will contain the return type
233 after the final closing parenthesis. Strip it off. */
234 p = strrchr (real_physname, ')');
235 gdb_assert (p != NULL);
236 ++p; /* Keep the trailing ')'. */
224c3ddb 237 physname = (char *) alloca (p - real_physname + 1);
86ffb506
KS
238 memcpy (physname, real_physname, p - real_physname);
239 physname[p - real_physname] = '\0';
c906108c 240
015a42b4 241 is_full_physname_constructor
7d27a96d
TT
242 = (TYPE_FN_FIELD_CONSTRUCTOR (f, j)
243 || is_constructor_name (physname)
015a42b4 244 || is_destructor_name (physname));
c906108c
SS
245
246 QUIT;
247
248 print_spaces_filtered (level + 4, stream);
249
250 if (TYPE_FN_FIELD_PROTECTED (f, j))
251 fprintf_filtered (stream, "protected ");
252 else if (TYPE_FN_FIELD_PRIVATE (f, j))
253 fprintf_filtered (stream, "private ");
254 else if (TYPE_FN_FIELD_PUBLIC (f, j))
255 fprintf_filtered (stream, "public ");
256
257 if (TYPE_FN_FIELD_ABSTRACT (f, j))
258 fprintf_filtered (stream, "abstract ");
259 if (TYPE_FN_FIELD_STATIC (f, j))
260 fprintf_filtered (stream, "static ");
261 if (TYPE_FN_FIELD_FINAL (f, j))
262 fprintf_filtered (stream, "final ");
263 if (TYPE_FN_FIELD_SYNCHRONIZED (f, j))
264 fprintf_filtered (stream, "synchronized ");
265 if (TYPE_FN_FIELD_NATIVE (f, j))
266 fprintf_filtered (stream, "native ");
267
268 if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
269 {
270 /* Keep GDB from crashing here. */
271 fprintf_filtered (stream, "<undefined type> %s;\n",
c5aa993b 272 TYPE_FN_FIELD_PHYSNAME (f, j));
c906108c
SS
273 break;
274 }
275 else if (!is_constructor && !is_full_physname_constructor)
276 {
277 type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
278 "", stream, -1);
279 fputs_filtered (" ", stream);
280 }
281
282 if (TYPE_FN_FIELD_STUB (f, j))
283 /* Build something we can demangle. */
284 mangled_name = gdb_mangle_name (type, i, j);
285 else
86ffb506 286 mangled_name = physname;
c906108c
SS
287
288 demangled_name =
8de20a37
TT
289 gdb_demangle (mangled_name,
290 DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);
c906108c
SS
291
292 if (demangled_name == NULL)
c2d11a7d 293 demangled_name = xstrdup (mangled_name);
c906108c
SS
294
295 {
296 char *demangled_no_class;
297 char *ptr;
298
299 ptr = demangled_no_class = demangled_name;
300
301 while (1)
302 {
303 char c;
304
305 c = *ptr++;
306
307 if (c == 0 || c == '(')
308 break;
309 if (c == '.')
310 demangled_no_class = ptr;
311 }
312
313 fputs_filtered (demangled_no_class, stream);
b8c9b27d 314 xfree (demangled_name);
c906108c
SS
315 }
316
317 if (TYPE_FN_FIELD_STUB (f, j))
b8c9b27d 318 xfree (mangled_name);
c906108c
SS
319
320 fprintf_filtered (stream, ";\n");
321 }
322 }
323
324 fprintfi_filtered (level, stream, "}");
325 }
326 break;
327
c5aa993b 328 default:
79d43c61 329 c_type_print_base (type, stream, show, level, flags);
c906108c
SS
330 }
331}
332
333/* LEVEL is the depth to indent lines by. */
334
335void
25b524e8 336java_print_type (struct type *type, const char *varstring,
79d43c61
TT
337 struct ui_file *stream, int show, int level,
338 const struct type_print_options *flags)
c906108c
SS
339{
340 int demangled_args;
341
79d43c61 342 java_type_print_base (type, stream, show, level, flags);
c906108c
SS
343
344 if (varstring != NULL && *varstring != '\0')
345 {
346 fputs_filtered (" ", stream);
347 fputs_filtered (varstring, stream);
348 }
349
350 /* For demangled function names, we have the arglist as part of the name,
1777feb0 351 so don't print an additional pair of ()'s. */
c906108c 352
dc5000e7 353 demangled_args = varstring != NULL && strchr (varstring, '(') != NULL;
79d43c61 354 c_type_print_varspec_suffix (type, stream, show, 0, demangled_args, flags);
c906108c 355}
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