Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Support for printing Java types for GDB, the GNU debugger. |
6aba47ca | 2 | Copyright (C) 1997, 1998, 1999, 2000, 2007 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" | |
25 | #include "jv-lang.h" | |
26 | #include "gdb_string.h" | |
27 | #include "typeprint.h" | |
7a292a7a | 28 | #include "c-lang.h" |
015a42b4 | 29 | #include "cp-abi.h" |
c906108c | 30 | |
392a587b JM |
31 | /* Local functions */ |
32 | ||
d9fcf2fb JM |
33 | static void java_type_print_base (struct type * type, |
34 | struct ui_file *stream, int show, | |
35 | int level); | |
392a587b | 36 | |
c906108c | 37 | static void |
fba45db2 | 38 | java_type_print_derivation_info (struct ui_file *stream, struct type *type) |
c906108c SS |
39 | { |
40 | char *name; | |
41 | int i; | |
42 | int n_bases; | |
43 | int prev; | |
44 | ||
45 | n_bases = TYPE_N_BASECLASSES (type); | |
46 | ||
47 | for (i = 0, prev = 0; i < n_bases; i++) | |
48 | { | |
49 | int kind; | |
50 | ||
c5aa993b | 51 | kind = BASETYPE_VIA_VIRTUAL (type, i) ? 'I' : 'E'; |
c906108c SS |
52 | |
53 | fputs_filtered (kind == prev ? ", " | |
54 | : kind == 'I' ? " implements " | |
55 | : " extends ", | |
56 | stream); | |
57 | prev = kind; | |
58 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); | |
59 | ||
60 | fprintf_filtered (stream, "%s", name ? name : "(null)"); | |
61 | } | |
62 | ||
63 | if (i > 0) | |
64 | fputs_filtered (" ", stream); | |
65 | } | |
66 | ||
67 | /* Print the name of the type (or the ultimate pointer target, | |
68 | function value or array element), or the description of a | |
69 | structure or union. | |
70 | ||
71 | SHOW positive means print details about the type (e.g. enum values), | |
72 | and print structure elements passing SHOW - 1 for show. | |
73 | SHOW negative means just print the type name or struct tag if there is one. | |
74 | If there is no name, print something sensible but concise like | |
75 | "struct {...}". | |
76 | SHOW zero means just print the type name or struct tag if there is one. | |
77 | If there is no name, print something sensible but not as concise like | |
78 | "struct {int x; int y;}". | |
79 | ||
80 | LEVEL is the number of spaces to indent by. | |
81 | We increase it for some recursive calls. */ | |
82 | ||
392a587b | 83 | static void |
fba45db2 KB |
84 | java_type_print_base (struct type *type, struct ui_file *stream, int show, |
85 | int level) | |
c906108c | 86 | { |
52f0bd74 AC |
87 | int i; |
88 | int len; | |
c906108c SS |
89 | char *mangled_name; |
90 | char *demangled_name; | |
91 | QUIT; | |
92 | ||
93 | wrap_here (" "); | |
94 | ||
95 | if (type == NULL) | |
96 | { | |
97 | fputs_filtered ("<type unknown>", stream); | |
98 | return; | |
99 | } | |
100 | ||
101 | /* When SHOW is zero or less, and there is a valid type name, then always | |
102 | just print the type name directly from the type. */ | |
103 | ||
104 | if (show <= 0 | |
105 | && TYPE_NAME (type) != NULL) | |
106 | { | |
107 | fputs_filtered (TYPE_NAME (type), stream); | |
108 | return; | |
109 | } | |
110 | ||
111 | CHECK_TYPEDEF (type); | |
112 | ||
113 | switch (TYPE_CODE (type)) | |
114 | { | |
115 | case TYPE_CODE_PTR: | |
116 | java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); | |
117 | break; | |
118 | ||
119 | case TYPE_CODE_STRUCT: | |
120 | if (TYPE_TAG_NAME (type) != NULL && TYPE_TAG_NAME (type)[0] == '[') | |
121 | { /* array type */ | |
122 | char *name = java_demangle_type_signature (TYPE_TAG_NAME (type)); | |
123 | fputs_filtered (name, stream); | |
b8c9b27d | 124 | xfree (name); |
c906108c SS |
125 | break; |
126 | } | |
127 | ||
128 | if (show >= 0) | |
129 | fprintf_filtered (stream, "class "); | |
130 | ||
131 | if (TYPE_TAG_NAME (type) != NULL) | |
132 | { | |
133 | fputs_filtered (TYPE_TAG_NAME (type), stream); | |
134 | if (show > 0) | |
135 | fputs_filtered (" ", stream); | |
136 | } | |
137 | ||
138 | wrap_here (" "); | |
139 | ||
140 | if (show < 0) | |
141 | { | |
142 | /* If we just printed a tag name, no need to print anything else. */ | |
143 | if (TYPE_TAG_NAME (type) == NULL) | |
144 | fprintf_filtered (stream, "{...}"); | |
145 | } | |
146 | else if (show > 0 || TYPE_TAG_NAME (type) == NULL) | |
147 | { | |
148 | java_type_print_derivation_info (stream, type); | |
c5aa993b | 149 | |
c906108c SS |
150 | fprintf_filtered (stream, "{\n"); |
151 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) | |
7a292a7a | 152 | { |
74a9bb82 | 153 | if (TYPE_STUB (type)) |
7a292a7a SS |
154 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); |
155 | else | |
156 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); | |
157 | } | |
c906108c SS |
158 | |
159 | /* If there is a base class for this type, | |
160 | do not print the field that it occupies. */ | |
161 | ||
162 | len = TYPE_NFIELDS (type); | |
163 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) | |
164 | { | |
165 | QUIT; | |
166 | /* Don't print out virtual function table. */ | |
5cb316ef | 167 | if (strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0 |
c906108c SS |
168 | && is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5])) |
169 | continue; | |
170 | ||
171 | /* Don't print the dummy field "class". */ | |
5cb316ef | 172 | if (strncmp (TYPE_FIELD_NAME (type, i), "class", 5) == 0) |
c906108c SS |
173 | continue; |
174 | ||
175 | print_spaces_filtered (level + 4, stream); | |
176 | ||
177 | if (HAVE_CPLUS_STRUCT (type)) | |
7a292a7a SS |
178 | { |
179 | if (TYPE_FIELD_PROTECTED (type, i)) | |
180 | fprintf_filtered (stream, "protected "); | |
181 | else if (TYPE_FIELD_PRIVATE (type, i)) | |
182 | fprintf_filtered (stream, "private "); | |
183 | else | |
184 | fprintf_filtered (stream, "public "); | |
185 | } | |
c906108c SS |
186 | |
187 | if (TYPE_FIELD_STATIC (type, i)) | |
188 | fprintf_filtered (stream, "static "); | |
189 | ||
190 | java_print_type (TYPE_FIELD_TYPE (type, i), | |
191 | TYPE_FIELD_NAME (type, i), | |
192 | stream, show - 1, level + 4); | |
193 | ||
194 | fprintf_filtered (stream, ";\n"); | |
195 | } | |
196 | ||
197 | /* If there are both fields and methods, put a space between. */ | |
198 | len = TYPE_NFN_FIELDS (type); | |
199 | if (len) | |
c5aa993b | 200 | fprintf_filtered (stream, "\n"); |
c906108c SS |
201 | |
202 | /* Print out the methods */ | |
203 | ||
204 | for (i = 0; i < len; i++) | |
205 | { | |
206 | struct fn_field *f; | |
207 | int j; | |
208 | char *method_name; | |
209 | char *name; | |
210 | int is_constructor; | |
211 | int n_overloads; | |
212 | ||
213 | f = TYPE_FN_FIELDLIST1 (type, i); | |
214 | n_overloads = TYPE_FN_FIELDLIST_LENGTH (type, i); | |
215 | method_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
216 | name = type_name_no_tag (type); | |
762f08a3 | 217 | is_constructor = name && strcmp (method_name, name) == 0; |
c906108c SS |
218 | |
219 | for (j = 0; j < n_overloads; j++) | |
220 | { | |
221 | char *physname; | |
222 | int is_full_physname_constructor; | |
223 | ||
224 | physname = TYPE_FN_FIELD_PHYSNAME (f, j); | |
225 | ||
015a42b4 JB |
226 | is_full_physname_constructor |
227 | = (is_constructor_name (physname) | |
228 | || is_destructor_name (physname)); | |
c906108c SS |
229 | |
230 | QUIT; | |
231 | ||
232 | print_spaces_filtered (level + 4, stream); | |
233 | ||
234 | if (TYPE_FN_FIELD_PROTECTED (f, j)) | |
235 | fprintf_filtered (stream, "protected "); | |
236 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) | |
237 | fprintf_filtered (stream, "private "); | |
238 | else if (TYPE_FN_FIELD_PUBLIC (f, j)) | |
239 | fprintf_filtered (stream, "public "); | |
240 | ||
241 | if (TYPE_FN_FIELD_ABSTRACT (f, j)) | |
242 | fprintf_filtered (stream, "abstract "); | |
243 | if (TYPE_FN_FIELD_STATIC (f, j)) | |
244 | fprintf_filtered (stream, "static "); | |
245 | if (TYPE_FN_FIELD_FINAL (f, j)) | |
246 | fprintf_filtered (stream, "final "); | |
247 | if (TYPE_FN_FIELD_SYNCHRONIZED (f, j)) | |
248 | fprintf_filtered (stream, "synchronized "); | |
249 | if (TYPE_FN_FIELD_NATIVE (f, j)) | |
250 | fprintf_filtered (stream, "native "); | |
251 | ||
252 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) | |
253 | { | |
254 | /* Keep GDB from crashing here. */ | |
255 | fprintf_filtered (stream, "<undefined type> %s;\n", | |
c5aa993b | 256 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
c906108c SS |
257 | break; |
258 | } | |
259 | else if (!is_constructor && !is_full_physname_constructor) | |
260 | { | |
261 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), | |
262 | "", stream, -1); | |
263 | fputs_filtered (" ", stream); | |
264 | } | |
265 | ||
266 | if (TYPE_FN_FIELD_STUB (f, j)) | |
267 | /* Build something we can demangle. */ | |
268 | mangled_name = gdb_mangle_name (type, i, j); | |
269 | else | |
270 | mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j); | |
271 | ||
272 | demangled_name = | |
273 | cplus_demangle (mangled_name, | |
274 | DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA); | |
275 | ||
276 | if (demangled_name == NULL) | |
c2d11a7d | 277 | demangled_name = xstrdup (mangled_name); |
c906108c SS |
278 | |
279 | { | |
280 | char *demangled_no_class; | |
281 | char *ptr; | |
282 | ||
283 | ptr = demangled_no_class = demangled_name; | |
284 | ||
285 | while (1) | |
286 | { | |
287 | char c; | |
288 | ||
289 | c = *ptr++; | |
290 | ||
291 | if (c == 0 || c == '(') | |
292 | break; | |
293 | if (c == '.') | |
294 | demangled_no_class = ptr; | |
295 | } | |
296 | ||
297 | fputs_filtered (demangled_no_class, stream); | |
b8c9b27d | 298 | xfree (demangled_name); |
c906108c SS |
299 | } |
300 | ||
301 | if (TYPE_FN_FIELD_STUB (f, j)) | |
b8c9b27d | 302 | xfree (mangled_name); |
c906108c SS |
303 | |
304 | fprintf_filtered (stream, ";\n"); | |
305 | } | |
306 | } | |
307 | ||
308 | fprintfi_filtered (level, stream, "}"); | |
309 | } | |
310 | break; | |
311 | ||
c5aa993b JM |
312 | default: |
313 | c_type_print_base (type, stream, show, level); | |
c906108c SS |
314 | } |
315 | } | |
316 | ||
317 | /* LEVEL is the depth to indent lines by. */ | |
318 | ||
d9fcf2fb JM |
319 | extern void c_type_print_varspec_suffix (struct type *, struct ui_file *, |
320 | int, int, int); | |
7a292a7a | 321 | |
c906108c | 322 | void |
fba45db2 KB |
323 | java_print_type (struct type *type, char *varstring, struct ui_file *stream, |
324 | int show, int level) | |
c906108c SS |
325 | { |
326 | int demangled_args; | |
327 | ||
328 | java_type_print_base (type, stream, show, level); | |
329 | ||
330 | if (varstring != NULL && *varstring != '\0') | |
331 | { | |
332 | fputs_filtered (" ", stream); | |
333 | fputs_filtered (varstring, stream); | |
334 | } | |
335 | ||
336 | /* For demangled function names, we have the arglist as part of the name, | |
337 | so don't print an additional pair of ()'s */ | |
338 | ||
dc5000e7 | 339 | demangled_args = varstring != NULL && strchr (varstring, '(') != NULL; |
c906108c SS |
340 | c_type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
341 | } |