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Commit | Line | Data |
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e04a16fb | 1 | /* Java(TM) language-specific utility routines. |
a5a4ce3c NB |
2 | Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
e04a16fb AG |
4 | |
5 | This file is part of GNU CC. | |
6 | ||
7 | GNU CC is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU CC is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU CC; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. | |
21 | ||
22 | Java and all Java-based marks are trademarks or registered trademarks | |
23 | of Sun Microsystems, Inc. in the United States and other countries. | |
24 | The Free Software Foundation is independent of Sun Microsystems, Inc. */ | |
25 | ||
26 | /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */ | |
27 | ||
e04a16fb | 28 | #include "config.h" |
1f43f4b4 | 29 | #include "system.h" |
e04a16fb AG |
30 | #include "tree.h" |
31 | #include "input.h" | |
49f48c71 KG |
32 | #include "rtl.h" |
33 | #include "expr.h" | |
e04a16fb AG |
34 | #include "java-tree.h" |
35 | #include "jcf.h" | |
1f43f4b4 | 36 | #include "toplev.h" |
c83303d8 | 37 | #include "langhooks.h" |
d23c55c2 | 38 | #include "langhooks-def.h" |
fc45c7ef | 39 | #include "flags.h" |
235acd35 | 40 | #include "xref.h" |
19e223db | 41 | #include "ggc.h" |
46f018e1 | 42 | #include "diagnostic.h" |
e04a16fb | 43 | |
b7436b72 TT |
44 | struct string_option |
45 | { | |
0b5826ac KG |
46 | const char *const string; |
47 | int *const variable; | |
48 | const int on_value; | |
b7436b72 TT |
49 | }; |
50 | ||
f5e99456 | 51 | static const char *java_init PARAMS ((const char *)); |
22703ccc | 52 | static void java_finish PARAMS ((void)); |
ee811cfd NB |
53 | static void java_init_options PARAMS ((void)); |
54 | static int java_decode_option PARAMS ((int, char **)); | |
df32d2ce KG |
55 | static void put_decl_string PARAMS ((const char *, int)); |
56 | static void put_decl_node PARAMS ((tree)); | |
7cb32822 NB |
57 | static void java_print_error_function PARAMS ((diagnostic_context *, |
58 | const char *)); | |
0b5826ac KG |
59 | static int process_option_with_no PARAMS ((const char *, |
60 | const struct string_option *, | |
b7436b72 | 61 | int)); |
c8e7d2e6 | 62 | |
45936a85 DD |
63 | #ifndef TARGET_OBJECT_SUFFIX |
64 | # define TARGET_OBJECT_SUFFIX ".o" | |
8603f9c5 TT |
65 | #endif |
66 | ||
e4de5a10 PB |
67 | /* Table indexed by tree code giving a string containing a character |
68 | classifying the tree code. Possibilities are | |
69 | t, d, s, c, r, <, 1 and 2. See java/java-tree.def for details. */ | |
70 | ||
71 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE, | |
72 | ||
2f9834e8 KG |
73 | const char tree_code_type[] = { |
74 | #include "tree.def" | |
e4de5a10 PB |
75 | 'x', |
76 | #include "java-tree.def" | |
77 | }; | |
78 | #undef DEFTREECODE | |
79 | ||
80 | /* Table indexed by tree code giving number of expression | |
81 | operands beyond the fixed part of the node structure. | |
82 | Not used for types or decls. */ | |
83 | ||
84 | #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH, | |
85 | ||
2f9834e8 KG |
86 | const unsigned char tree_code_length[] = { |
87 | #include "tree.def" | |
e4de5a10 PB |
88 | 0, |
89 | #include "java-tree.def" | |
90 | }; | |
91 | #undef DEFTREECODE | |
92 | ||
93 | /* Names of tree components. | |
94 | Used for printing out the tree and error messages. */ | |
95 | #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME, | |
96 | ||
2f9834e8 KG |
97 | const char *const tree_code_name[] = { |
98 | #include "tree.def" | |
e4de5a10 PB |
99 | "@@dummy", |
100 | #include "java-tree.def" | |
101 | }; | |
102 | #undef DEFTREECODE | |
103 | ||
7cb32822 NB |
104 | /* Used to avoid printing error messages with bogus function |
105 | prototypes. Starts out false. */ | |
106 | static bool inhibit_error_function_printing; | |
107 | ||
e04a16fb AG |
108 | int compiling_from_source; |
109 | ||
7be5b0e5 AG |
110 | char * resource_name; |
111 | ||
e04a16fb AG |
112 | int flag_emit_class_files = 0; |
113 | ||
fea2d5da PB |
114 | /* Nonzero if input file is a file with a list of filenames to compile. */ |
115 | ||
116 | int flag_filelist_file = 0; | |
117 | ||
235acd35 APB |
118 | /* When non zero, we emit xref strings. Values of the flag for xref |
119 | backends are defined in xref_flag_table, xref.c. */ | |
120 | ||
121 | int flag_emit_xref = 0; | |
122 | ||
c877974e APB |
123 | /* When non zero, -Wall was turned on. */ |
124 | int flag_wall = 0; | |
125 | ||
5f1c312a | 126 | /* When non zero, check for redundant modifier uses. */ |
c877974e APB |
127 | int flag_redundant = 0; |
128 | ||
aa4759c1 AH |
129 | /* When non zero, call a library routine to do integer divisions. */ |
130 | int flag_use_divide_subroutine = 1; | |
131 | ||
5830574a TT |
132 | /* When non zero, generate code for the Boehm GC. */ |
133 | int flag_use_boehm_gc = 0; | |
134 | ||
64aa33dd TT |
135 | /* When non zero, assume the runtime uses a hash table to map an |
136 | object to its synchronization structure. */ | |
137 | int flag_hash_synchronization; | |
138 | ||
7145d9fe TT |
139 | /* When non zero, assume all native functions are implemented with |
140 | JNI, not CNI. */ | |
141 | int flag_jni = 0; | |
142 | ||
b7436b72 TT |
143 | /* When non zero, warn when source file is newer than matching class |
144 | file. */ | |
145 | int flag_newer = 1; | |
146 | ||
4ff17c6a AH |
147 | /* When non zero, generate checks for references to NULL. */ |
148 | int flag_check_references = 0; | |
149 | ||
d19cbcb5 | 150 | /* The encoding of the source file. */ |
a93eddcf | 151 | const char *current_encoding = NULL; |
d19cbcb5 | 152 | |
5f1c312a APB |
153 | /* When non zero, report the now deprecated empty statements. */ |
154 | int flag_extraneous_semicolon; | |
155 | ||
b124f72e APB |
156 | /* When non zero, always check for a non gcj generated classes archive. */ |
157 | int flag_force_classes_archive_check; | |
158 | ||
4009bb7d APB |
159 | /* When zero, don't optimize static class initialization. This flag shouldn't |
160 | be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */ | |
161 | int flag_optimize_sci = 1; | |
162 | ||
861ef928 BM |
163 | /* When non zero, use offset tables for virtual method calls |
164 | in order to improve binary compatibility. */ | |
165 | int flag_indirect_dispatch = 0; | |
166 | ||
022dcc46 BM |
167 | /* When zero, don't generate runtime array store checks. */ |
168 | int flag_store_check = 1; | |
169 | ||
4266d0b2 TT |
170 | /* When non zero, print extra version information. */ |
171 | static int version_flag = 0; | |
172 | ||
e04a16fb AG |
173 | /* Table of language-dependent -f options. |
174 | STRING is the option name. VARIABLE is the address of the variable. | |
175 | ON_VALUE is the value to store in VARIABLE | |
176 | if `-fSTRING' is seen as an option. | |
177 | (If `-fno-STRING' is seen as an option, the opposite value is stored.) */ | |
178 | ||
0b5826ac | 179 | static const struct string_option |
4bcde32e | 180 | lang_f_options[] = |
e04a16fb | 181 | { |
e04a16fb AG |
182 | {"emit-class-file", &flag_emit_class_files, 1}, |
183 | {"emit-class-files", &flag_emit_class_files, 1}, | |
fea2d5da | 184 | {"filelist-file", &flag_filelist_file, 1}, |
aa4759c1 | 185 | {"use-divide-subroutine", &flag_use_divide_subroutine, 1}, |
64aa33dd | 186 | {"use-boehm-gc", &flag_use_boehm_gc, 1}, |
7145d9fe | 187 | {"hash-synchronization", &flag_hash_synchronization, 1}, |
4ff17c6a AH |
188 | {"jni", &flag_jni, 1}, |
189 | {"check-references", &flag_check_references, 1}, | |
8f25dc28 | 190 | {"force-classes-archive-check", &flag_force_classes_archive_check, 1}, |
861ef928 | 191 | {"optimize-static-class-initialization", &flag_optimize_sci, 1 }, |
022dcc46 BM |
192 | {"indirect-dispatch", &flag_indirect_dispatch, 1}, |
193 | {"store-check", &flag_store_check, 1} | |
e04a16fb AG |
194 | }; |
195 | ||
0b5826ac | 196 | static const struct string_option |
b7436b72 TT |
197 | lang_W_options[] = |
198 | { | |
b7436b72 TT |
199 | { "redundant-modifiers", &flag_redundant, 1 }, |
200 | { "extraneous-semicolon", &flag_extraneous_semicolon, 1 }, | |
201 | { "out-of-date", &flag_newer, 1 } | |
202 | }; | |
203 | ||
e04a16fb AG |
204 | JCF *current_jcf; |
205 | ||
fc45c7ef | 206 | /* Variable controlling how dependency tracking is enabled in |
f5e99456 | 207 | java_init. */ |
fc45c7ef TT |
208 | static int dependency_tracking = 0; |
209 | ||
210 | /* Flag values for DEPENDENCY_TRACKING. */ | |
211 | #define DEPEND_SET_FILE 1 | |
212 | #define DEPEND_ENABLE 2 | |
316a06a1 TT |
213 | #define DEPEND_TARGET_SET 4 |
214 | #define DEPEND_FILE_ALREADY_SET 8 | |
fc45c7ef | 215 | |
e2500fed GK |
216 | struct language_function GTY(()) |
217 | { | |
218 | int unused; | |
219 | }; | |
220 | ||
3ac88239 NB |
221 | #undef LANG_HOOKS_NAME |
222 | #define LANG_HOOKS_NAME "GNU Java" | |
c83303d8 APB |
223 | #undef LANG_HOOKS_INIT |
224 | #define LANG_HOOKS_INIT java_init | |
22703ccc NB |
225 | #undef LANG_HOOKS_FINISH |
226 | #define LANG_HOOKS_FINISH java_finish | |
c83303d8 APB |
227 | #undef LANG_HOOKS_INIT_OPTIONS |
228 | #define LANG_HOOKS_INIT_OPTIONS java_init_options | |
229 | #undef LANG_HOOKS_DECODE_OPTION | |
230 | #define LANG_HOOKS_DECODE_OPTION java_decode_option | |
52dabb6c NB |
231 | #undef LANG_HOOKS_PARSE_FILE |
232 | #define LANG_HOOKS_PARSE_FILE java_parse_file | |
dffd7eb6 NB |
233 | #undef LANG_HOOKS_MARK_ADDRESSABLE |
234 | #define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable | |
c9d892a8 NB |
235 | #undef LANG_HOOKS_EXPAND_EXPR |
236 | #define LANG_HOOKS_EXPAND_EXPR java_expand_expr | |
78ef5b89 NB |
237 | #undef LANG_HOOKS_TRUTHVALUE_CONVERSION |
238 | #define LANG_HOOKS_TRUTHVALUE_CONVERSION java_truthvalue_conversion | |
63e1b1c4 NB |
239 | #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL |
240 | #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl | |
7afff7cf NB |
241 | #undef LANG_HOOKS_DECL_PRINTABLE_NAME |
242 | #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name | |
7cb32822 NB |
243 | #undef LANG_HOOKS_PRINT_ERROR_FUNCTION |
244 | #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function | |
ceef8ce4 | 245 | |
b0c48229 NB |
246 | #undef LANG_HOOKS_TYPE_FOR_MODE |
247 | #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode | |
248 | #undef LANG_HOOKS_TYPE_FOR_SIZE | |
249 | #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size | |
ceef8ce4 NB |
250 | #undef LANG_HOOKS_SIGNED_TYPE |
251 | #define LANG_HOOKS_SIGNED_TYPE java_signed_type | |
252 | #undef LANG_HOOKS_UNSIGNED_TYPE | |
253 | #define LANG_HOOKS_UNSIGNED_TYPE java_unsigned_type | |
254 | #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE | |
255 | #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE java_signed_or_unsigned_type | |
c83303d8 | 256 | |
cd2a3ba2 | 257 | /* Each front end provides its own. */ |
3ac88239 | 258 | const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; |
cd2a3ba2 | 259 | |
b7436b72 TT |
260 | /* Process an option that can accept a `no-' form. |
261 | Return 1 if option found, 0 otherwise. */ | |
262 | static int | |
263 | process_option_with_no (p, table, table_size) | |
0b5826ac KG |
264 | const char *p; |
265 | const struct string_option *table; | |
b7436b72 TT |
266 | int table_size; |
267 | { | |
268 | int j; | |
269 | ||
270 | for (j = 0; j < table_size; j++) | |
271 | { | |
272 | if (!strcmp (p, table[j].string)) | |
273 | { | |
274 | *table[j].variable = table[j].on_value; | |
275 | return 1; | |
276 | } | |
277 | if (p[0] == 'n' && p[1] == 'o' && p[2] == '-' | |
278 | && ! strcmp (p+3, table[j].string)) | |
279 | { | |
280 | *table[j].variable = ! table[j].on_value; | |
281 | return 1; | |
282 | } | |
283 | } | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
e04a16fb AG |
288 | /* |
289 | * process java-specific compiler command-line options | |
03d32d1a | 290 | * return 0, but do not complain if the option is not recognised. |
e04a16fb | 291 | */ |
ee811cfd NB |
292 | static int |
293 | java_decode_option (argc, argv) | |
0a2138e2 | 294 | int argc __attribute__ ((__unused__)); |
e04a16fb AG |
295 | char **argv; |
296 | { | |
297 | char *p = argv[0]; | |
71f6a8e2 | 298 | |
2a85660d PB |
299 | jcf_path_init (); |
300 | ||
4266d0b2 TT |
301 | if (strcmp (p, "-version") == 0) |
302 | { | |
303 | version_flag = 1; | |
304 | /* We return 0 so that the caller can process this. */ | |
305 | return 0; | |
306 | } | |
307 | ||
7be5b0e5 AG |
308 | #define CLARG "-fcompile-resource=" |
309 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
310 | { | |
311 | resource_name = p + sizeof (CLARG) - 1; | |
312 | return 1; | |
313 | } | |
314 | #undef CLARG | |
48aedbca AG |
315 | #define CLARG "-fassume-compiled=" |
316 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
317 | { | |
318 | add_assume_compiled (p + sizeof (CLARG) - 1, 0); | |
319 | return 1; | |
320 | } | |
321 | #undef CLARG | |
322 | #define CLARG "-fno-assume-compiled=" | |
323 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
324 | { | |
325 | add_assume_compiled (p + sizeof (CLARG) - 1, 1); | |
326 | return 1; | |
327 | } | |
328 | #undef CLARG | |
329 | #define CLARG "-fassume-compiled" | |
330 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
331 | { | |
332 | add_assume_compiled ("", 0); | |
333 | return 1; | |
334 | } | |
335 | #undef CLARG | |
336 | #define CLARG "-fno-assume-compiled" | |
337 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
338 | { | |
339 | add_assume_compiled ("", 1); | |
340 | return 1; | |
341 | } | |
342 | #undef CLARG | |
db444fbe | 343 | #define CLARG "-fCLASSPATH=" |
71f6a8e2 TT |
344 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) |
345 | { | |
2a85660d | 346 | jcf_path_classpath_arg (p + sizeof (CLARG) - 1); |
71f6a8e2 TT |
347 | return 1; |
348 | } | |
349 | #undef CLARG | |
db444fbe | 350 | #define CLARG "-fclasspath=" |
48aedbca | 351 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) |
71f6a8e2 | 352 | { |
db444fbe | 353 | jcf_path_classpath_arg (p + sizeof (CLARG) - 1); |
71f6a8e2 TT |
354 | return 1; |
355 | } | |
2a85660d PB |
356 | #undef CLARG |
357 | #define CLARG "-fbootclasspath=" | |
358 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
359 | { | |
360 | jcf_path_bootclasspath_arg (p + sizeof (CLARG) - 1); | |
361 | return 1; | |
362 | } | |
9fef1fe3 AG |
363 | #undef CLARG |
364 | #define CLARG "-fextdirs=" | |
365 | if (strncmp (p, CLARG, sizeof (CLARG) - 1) == 0) | |
366 | { | |
367 | jcf_path_extdirs_arg (p + sizeof (CLARG) - 1); | |
368 | return 1; | |
369 | } | |
71f6a8e2 TT |
370 | #undef CLARG |
371 | else if (strncmp (p, "-I", 2) == 0) | |
372 | { | |
373 | jcf_path_include_arg (p + 2); | |
374 | return 1; | |
375 | } | |
376 | ||
df66b566 TT |
377 | #define ARG "-foutput-class-dir=" |
378 | if (strncmp (p, ARG, sizeof (ARG) - 1) == 0) | |
379 | { | |
380 | jcf_write_base_directory = p + sizeof (ARG) - 1; | |
381 | return 1; | |
382 | } | |
383 | #undef ARG | |
d19cbcb5 TT |
384 | #define ARG "-fencoding=" |
385 | if (strncmp (p, ARG, sizeof (ARG) - 1) == 0) | |
386 | { | |
387 | current_encoding = p + sizeof (ARG) - 1; | |
388 | return 1; | |
389 | } | |
390 | #undef ARG | |
df66b566 | 391 | |
e04a16fb AG |
392 | if (p[0] == '-' && p[1] == 'f') |
393 | { | |
394 | /* Some kind of -f option. | |
395 | P's value is the option sans `-f'. | |
396 | Search for it in the table of options. */ | |
e04a16fb | 397 | p += 2; |
12cfb4fc TT |
398 | if (process_option_with_no (p, lang_f_options, |
399 | ARRAY_SIZE (lang_f_options))) | |
400 | return 1; | |
401 | return dump_switch_p (p); | |
e04a16fb AG |
402 | } |
403 | ||
c877974e APB |
404 | if (strcmp (p, "-Wall") == 0) |
405 | { | |
406 | flag_wall = 1; | |
407 | flag_redundant = 1; | |
5f1c312a | 408 | flag_extraneous_semicolon = 1; |
ae23f3ed TT |
409 | /* When -Wall given, enable -Wunused. We do this because the C |
410 | compiler does it, and people expect it. */ | |
078721e1 | 411 | set_Wunused (1); |
7f10c2e2 APB |
412 | return 1; |
413 | } | |
414 | ||
b7436b72 | 415 | if (p[0] == '-' && p[1] == 'W') |
7f10c2e2 | 416 | { |
b7436b72 TT |
417 | /* Skip `-W' and see if we accept the option or its `no-' form. */ |
418 | p += 2; | |
419 | return process_option_with_no (p, lang_W_options, | |
420 | ARRAY_SIZE (lang_W_options)); | |
5f1c312a APB |
421 | } |
422 | ||
fc45c7ef TT |
423 | if (strcmp (p, "-MD") == 0) |
424 | { | |
425 | jcf_dependency_init (1); | |
426 | dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE; | |
427 | return 1; | |
428 | } | |
429 | else if (strcmp (p, "-MMD") == 0) | |
430 | { | |
431 | jcf_dependency_init (0); | |
432 | dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE; | |
433 | return 1; | |
434 | } | |
435 | else if (strcmp (p, "-M") == 0) | |
436 | { | |
437 | jcf_dependency_init (1); | |
438 | dependency_tracking |= DEPEND_ENABLE; | |
439 | return 1; | |
440 | } | |
441 | else if (strcmp (p, "-MM") == 0) | |
442 | { | |
443 | jcf_dependency_init (0); | |
444 | dependency_tracking |= DEPEND_ENABLE; | |
445 | return 1; | |
446 | } | |
a5a4ce3c | 447 | else if (strcmp (p, "-MP") == 0) |
316a06a1 TT |
448 | { |
449 | jcf_dependency_print_dummies (); | |
450 | return 1; | |
451 | } | |
452 | else if (strcmp (p, "-MT") == 0) | |
453 | { | |
454 | jcf_dependency_set_target (argv[1]); | |
455 | dependency_tracking |= DEPEND_TARGET_SET; | |
456 | return 2; | |
457 | } | |
458 | else if (strcmp (p, "-MF") == 0) | |
459 | { | |
460 | jcf_dependency_set_dep_file (argv[1]); | |
461 | dependency_tracking |= DEPEND_FILE_ALREADY_SET; | |
462 | return 2; | |
463 | } | |
fc45c7ef | 464 | |
e04a16fb AG |
465 | return 0; |
466 | } | |
467 | ||
d19cbcb5 | 468 | /* Global open file. */ |
e04a16fb | 469 | FILE *finput; |
d19cbcb5 | 470 | |
f5e99456 NB |
471 | static const char * |
472 | java_init (filename) | |
3b304f5b | 473 | const char *filename; |
e04a16fb | 474 | { |
f5e99456 NB |
475 | #if 0 |
476 | extern int flag_minimal_debug; | |
477 | flag_minimal_debug = 0; | |
478 | #endif | |
479 | ||
e04a16fb AG |
480 | /* Open input file. */ |
481 | ||
482 | if (filename == 0 || !strcmp (filename, "-")) | |
483 | { | |
484 | finput = stdin; | |
485 | filename = "stdin"; | |
fc45c7ef TT |
486 | |
487 | if (dependency_tracking) | |
488 | error ("can't do dependency tracking with input from stdin"); | |
e04a16fb AG |
489 | } |
490 | else | |
fc45c7ef TT |
491 | { |
492 | if (dependency_tracking) | |
493 | { | |
494 | char *dot; | |
316a06a1 TT |
495 | |
496 | /* If the target is set and the output filename is set, then | |
497 | there's no processing to do here. Otherwise we must | |
498 | compute one or the other. */ | |
499 | if (! ((dependency_tracking & DEPEND_TARGET_SET) | |
500 | && (dependency_tracking & DEPEND_FILE_ALREADY_SET))) | |
fc45c7ef | 501 | { |
316a06a1 TT |
502 | dot = strrchr (filename, '.'); |
503 | if (dot == NULL) | |
504 | error ("couldn't determine target name for dependency tracking"); | |
fc45c7ef TT |
505 | else |
506 | { | |
316a06a1 | 507 | char *buf = (char *) xmalloc (dot - filename + |
45936a85 | 508 | 3 + sizeof (TARGET_OBJECT_SUFFIX)); |
316a06a1 TT |
509 | strncpy (buf, filename, dot - filename); |
510 | ||
511 | /* If emitting class files, we might have multiple | |
512 | targets. The class generation code takes care of | |
513 | registering them. Otherwise we compute the | |
514 | target name here. */ | |
515 | if ((dependency_tracking & DEPEND_TARGET_SET)) | |
516 | ; /* Nothing. */ | |
517 | else if (flag_emit_class_files) | |
518 | jcf_dependency_set_target (NULL); | |
519 | else | |
520 | { | |
45936a85 | 521 | strcpy (buf + (dot - filename), TARGET_OBJECT_SUFFIX); |
316a06a1 TT |
522 | jcf_dependency_set_target (buf); |
523 | } | |
524 | ||
525 | if ((dependency_tracking & DEPEND_FILE_ALREADY_SET)) | |
526 | ; /* Nothing. */ | |
527 | else if ((dependency_tracking & DEPEND_SET_FILE)) | |
528 | { | |
529 | strcpy (buf + (dot - filename), ".d"); | |
530 | jcf_dependency_set_dep_file (buf); | |
531 | } | |
532 | else | |
533 | jcf_dependency_set_dep_file ("-"); | |
534 | ||
535 | free (buf); | |
fc45c7ef | 536 | } |
fc45c7ef TT |
537 | } |
538 | } | |
fc45c7ef | 539 | } |
d19cbcb5 | 540 | |
f5e99456 NB |
541 | jcf_path_init (); |
542 | jcf_path_seal (version_flag); | |
543 | ||
f5e99456 NB |
544 | java_init_decl_processing (); |
545 | ||
546 | using_eh_for_cleanups (); | |
547 | ||
e04a16fb AG |
548 | return filename; |
549 | } | |
550 | ||
22703ccc NB |
551 | static void |
552 | java_finish () | |
e04a16fb | 553 | { |
fc45c7ef | 554 | jcf_dependency_write (); |
e04a16fb AG |
555 | } |
556 | ||
557 | /* Buffer used by lang_printable_name. */ | |
558 | static char *decl_buf = NULL; | |
559 | ||
560 | /* Allocated size of decl_buf. */ | |
561 | static int decl_buflen = 0; | |
562 | ||
563 | /* Length of used part of decl_buf; position for next character. */ | |
564 | static int decl_bufpos = 0; | |
565 | ||
566 | /* Append the string STR to decl_buf. | |
567 | It length is given by LEN; -1 means the string is nul-terminated. */ | |
568 | ||
569 | static void | |
570 | put_decl_string (str, len) | |
c8e7d2e6 | 571 | const char *str; |
e04a16fb AG |
572 | int len; |
573 | { | |
574 | if (len < 0) | |
575 | len = strlen (str); | |
576 | if (decl_bufpos + len >= decl_buflen) | |
577 | { | |
578 | if (decl_buf == NULL) | |
579 | { | |
580 | decl_buflen = len + 100; | |
581 | decl_buf = (char *) xmalloc (decl_buflen); | |
582 | } | |
583 | else | |
584 | { | |
585 | decl_buflen *= 2; | |
586 | decl_buf = (char *) xrealloc (decl_buf, decl_buflen); | |
587 | } | |
588 | } | |
589 | strcpy (decl_buf + decl_bufpos, str); | |
590 | decl_bufpos += len; | |
591 | } | |
592 | ||
593 | /* Append to decl_buf a printable name for NODE. */ | |
594 | ||
595 | static void | |
596 | put_decl_node (node) | |
597 | tree node; | |
598 | { | |
599 | int was_pointer = 0; | |
600 | if (TREE_CODE (node) == POINTER_TYPE) | |
601 | { | |
602 | node = TREE_TYPE (node); | |
603 | was_pointer = 1; | |
604 | } | |
605 | if (TREE_CODE_CLASS (TREE_CODE (node)) == 'd' | |
606 | && DECL_NAME (node) != NULL_TREE) | |
607 | { | |
bc8a5e56 | 608 | if (TREE_CODE (node) == FUNCTION_DECL) |
2c36c7fd | 609 | { |
bc8a5e56 PB |
610 | /* We want to print the type the DECL belongs to. We don't do |
611 | that when we handle constructors. */ | |
612 | if (! DECL_CONSTRUCTOR_P (node) | |
613 | && ! DECL_ARTIFICIAL (node) && DECL_CONTEXT (node)) | |
e04a16fb | 614 | { |
bc8a5e56 PB |
615 | put_decl_node (TYPE_NAME (DECL_CONTEXT (node))); |
616 | put_decl_string (".", 1); | |
617 | } | |
618 | if (! DECL_CONSTRUCTOR_P (node)) | |
619 | put_decl_node (DECL_NAME (node)); | |
620 | if (TREE_TYPE (node) != NULL_TREE) | |
621 | { | |
622 | int i = 0; | |
623 | tree args = TYPE_ARG_TYPES (TREE_TYPE (node)); | |
624 | if (TREE_CODE (TREE_TYPE (node)) == METHOD_TYPE) | |
625 | args = TREE_CHAIN (args); | |
626 | put_decl_string ("(", 1); | |
627 | for ( ; args != end_params_node; args = TREE_CHAIN (args), i++) | |
628 | { | |
629 | if (i > 0) | |
630 | put_decl_string (",", 1); | |
631 | put_decl_node (TREE_VALUE (args)); | |
632 | } | |
633 | put_decl_string (")", 1); | |
e04a16fb | 634 | } |
e04a16fb | 635 | } |
bc8a5e56 PB |
636 | else |
637 | put_decl_node (DECL_NAME (node)); | |
e04a16fb AG |
638 | } |
639 | else if (TREE_CODE_CLASS (TREE_CODE (node)) == 't' | |
640 | && TYPE_NAME (node) != NULL_TREE) | |
641 | { | |
642 | if (TREE_CODE (node) == RECORD_TYPE && TYPE_ARRAY_P (node)) | |
643 | { | |
644 | put_decl_node (TYPE_ARRAY_ELEMENT (node)); | |
645 | put_decl_string("[]", 2); | |
646 | } | |
647 | else if (node == promoted_byte_type_node) | |
648 | put_decl_string ("byte", 4); | |
649 | else if (node == promoted_short_type_node) | |
650 | put_decl_string ("short", 5); | |
651 | else if (node == promoted_char_type_node) | |
652 | put_decl_string ("char", 4); | |
653 | else if (node == promoted_boolean_type_node) | |
654 | put_decl_string ("boolean", 7); | |
655 | else if (node == void_type_node && was_pointer) | |
656 | put_decl_string ("null", 4); | |
657 | else | |
658 | put_decl_node (TYPE_NAME (node)); | |
659 | } | |
660 | else if (TREE_CODE (node) == IDENTIFIER_NODE) | |
661 | put_decl_string (IDENTIFIER_POINTER (node), IDENTIFIER_LENGTH (node)); | |
662 | else | |
663 | put_decl_string ("<unknown>", -1); | |
664 | } | |
665 | ||
666 | /* Return a user-friendly name for DECL. | |
667 | The resulting string is only valid until the next call. | |
668 | The value of the hook decl_printable_name is this function, | |
7cb32822 | 669 | which is also called directly by java_print_error_function. */ |
e04a16fb | 670 | |
1b93a502 | 671 | const char * |
e04a16fb AG |
672 | lang_printable_name (decl, v) |
673 | tree decl; | |
0a2138e2 | 674 | int v __attribute__ ((__unused__)); |
e04a16fb AG |
675 | { |
676 | decl_bufpos = 0; | |
677 | put_decl_node (decl); | |
678 | put_decl_string ("", 1); | |
679 | return decl_buf; | |
680 | } | |
681 | ||
761491c8 APB |
682 | /* Does the same thing that lang_printable_name, but add a leading |
683 | space to the DECL name string -- With Leading Space. */ | |
684 | ||
685 | const char * | |
686 | lang_printable_name_wls (decl, v) | |
687 | tree decl; | |
688 | int v __attribute__ ((__unused__)); | |
689 | { | |
690 | decl_bufpos = 1; | |
691 | put_decl_node (decl); | |
692 | put_decl_string ("", 1); | |
693 | decl_buf [0] = ' '; | |
694 | return decl_buf; | |
695 | } | |
696 | ||
e04a16fb | 697 | /* Print on stderr the current class and method context. This function |
7cb32822 | 698 | is the value of the hook print_error_function. */ |
e04a16fb | 699 | |
e2500fed GK |
700 | static GTY(()) tree last_error_function_context; |
701 | static GTY(()) tree last_error_function; | |
be245ac0 | 702 | static void |
7cb32822 | 703 | java_print_error_function (context, file) |
46f018e1 | 704 | diagnostic_context *context __attribute__((__unused__)); |
0070eeda | 705 | const char *file; |
e04a16fb | 706 | { |
7cb32822 NB |
707 | /* Don't print error messages with bogus function prototypes. */ |
708 | if (inhibit_error_function_printing) | |
709 | return; | |
710 | ||
e04a16fb AG |
711 | if (current_function_decl != NULL |
712 | && DECL_CONTEXT (current_function_decl) != last_error_function_context) | |
713 | { | |
714 | if (file) | |
715 | fprintf (stderr, "%s: ", file); | |
716 | ||
717 | last_error_function_context = DECL_CONTEXT (current_function_decl); | |
718 | fprintf (stderr, "In class `%s':\n", | |
0a2138e2 | 719 | lang_printable_name (last_error_function_context, 0)); |
e04a16fb AG |
720 | } |
721 | if (last_error_function != current_function_decl) | |
722 | { | |
723 | if (file) | |
724 | fprintf (stderr, "%s: ", file); | |
725 | ||
726 | if (current_function_decl == NULL) | |
727 | fprintf (stderr, "At top level:\n"); | |
728 | else | |
729 | { | |
c8e7d2e6 | 730 | const char *name = lang_printable_name (current_function_decl, 2); |
bc8a5e56 PB |
731 | fprintf (stderr, "In %s `%s':\n", |
732 | (DECL_CONSTRUCTOR_P (current_function_decl) ? "constructor" | |
733 | : "method"), | |
734 | name); | |
e04a16fb AG |
735 | } |
736 | ||
737 | last_error_function = current_function_decl; | |
738 | } | |
739 | ||
740 | } | |
741 | ||
e04a16fb AG |
742 | /* Called to install the PRINT_ERROR_FUNCTION hook differently |
743 | according to LEVEL. LEVEL is 1 during early parsing, when function | |
7cb32822 NB |
744 | prototypes aren't fully resolved. java_print_error_function is set |
745 | so it doesn't print incomplete function prototypes. When LEVEL is | |
746 | 2, function prototypes are fully resolved and can be printed when | |
e04a16fb AG |
747 | reporting errors. */ |
748 | ||
749 | void lang_init_source (level) | |
750 | int level; | |
751 | { | |
7cb32822 | 752 | inhibit_error_function_printing = (level == 1); |
e04a16fb AG |
753 | } |
754 | ||
ee811cfd NB |
755 | static void |
756 | java_init_options () | |
e04a16fb | 757 | { |
13f9ac51 | 758 | flag_bounds_check = 1; |
da7da8f9 RH |
759 | flag_exceptions = 1; |
760 | flag_non_call_exceptions = 1; | |
f5eb5fd0 JH |
761 | |
762 | /* In Java floating point operations never trap. */ | |
763 | flag_trapping_math = 0; | |
e04a16fb | 764 | } |
e2500fed GK |
765 | |
766 | #include "gt-java-lang.h" |