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e04a16fb | 1 | /* Parser for Java(TM) .class files. |
23a5b65a | 2 | Copyright (C) 1996-2014 Free Software Foundation, Inc. |
e04a16fb | 3 | |
f309ff0a | 4 | This file is part of GCC. |
e04a16fb | 5 | |
f309ff0a | 6 | GCC is free software; you can redistribute it and/or modify |
e04a16fb | 7 | it under the terms of the GNU General Public License as published by |
8328d52a | 8 | the Free Software Foundation; either version 3, or (at your option) |
e04a16fb AG |
9 | any later version. |
10 | ||
f309ff0a | 11 | GCC is distributed in the hope that it will be useful, |
e04a16fb AG |
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
8328d52a NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. | |
e04a16fb AG |
19 | |
20 | Java and all Java-based marks are trademarks or registered trademarks | |
21 | of Sun Microsystems, Inc. in the United States and other countries. | |
22 | The Free Software Foundation is independent of Sun Microsystems, Inc. */ | |
23 | ||
24 | /* Written by Per Bothner <bothner@cygnus.com> */ | |
25 | ||
e04a16fb | 26 | #include "config.h" |
1f43f4b4 | 27 | #include "system.h" |
4977bab6 | 28 | #include "coretypes.h" |
e04a16fb | 29 | #include "tree.h" |
d8a2d370 | 30 | #include "stringpool.h" |
e04a16fb AG |
31 | #include "obstack.h" |
32 | #include "flags.h" | |
33 | #include "java-except.h" | |
34 | #include "input.h" | |
97b8365c | 35 | #include "javaop.h" |
e04a16fb | 36 | #include "java-tree.h" |
718f9c0f | 37 | #include "diagnostic-core.h" |
8e1f2d4c | 38 | #include "parse.h" |
19e223db | 39 | #include "ggc.h" |
7f905405 | 40 | #include "debug.h" |
916b57ce | 41 | #include "cgraph.h" |
62a00d08 | 42 | #include "bitmap.h" |
2e681adf | 43 | #include "target.h" |
807e902e | 44 | #include "wide-int.h" |
e04a16fb | 45 | |
6b8a24cd TT |
46 | #ifdef HAVE_LOCALE_H |
47 | #include <locale.h> | |
48 | #endif | |
49 | ||
7d503466 | 50 | #ifdef HAVE_LANGINFO_CODESET |
d19cbcb5 TT |
51 | #include <langinfo.h> |
52 | #endif | |
53 | ||
e04a16fb AG |
54 | /* A CONSTANT_Utf8 element is converted to an IDENTIFIER_NODE at parse time. */ |
55 | #define JPOOL_UTF(JCF, INDEX) CPOOL_UTF(&(JCF)->cpool, INDEX) | |
56 | #define JPOOL_UTF_LENGTH(JCF, INDEX) IDENTIFIER_LENGTH (JPOOL_UTF (JCF, INDEX)) | |
57 | #define JPOOL_UTF_DATA(JCF, INDEX) \ | |
c8e7d2e6 | 58 | ((const unsigned char *) IDENTIFIER_POINTER (JPOOL_UTF (JCF, INDEX))) |
e04a16fb AG |
59 | #define HANDLE_CONSTANT_Utf8(JCF, INDEX, LENGTH) \ |
60 | do { \ | |
61 | unsigned char save; unsigned char *text; \ | |
62 | JCF_FILL (JCF, (LENGTH)+1); /* Make sure we read 1 byte beyond string. */ \ | |
63 | text = (JCF)->read_ptr; \ | |
64 | save = text[LENGTH]; \ | |
65 | text[LENGTH] = 0; \ | |
0e7d217a | 66 | (JCF)->cpool.data[INDEX].t = get_identifier ((const char *) text); \ |
e04a16fb AG |
67 | text[LENGTH] = save; \ |
68 | JCF_SKIP (JCF, LENGTH); } while (0) | |
69 | ||
70 | #include "jcf.h" | |
e04a16fb | 71 | |
e04a16fb | 72 | extern struct obstack temporary_obstack; |
e04a16fb | 73 | |
cf484e91 | 74 | static GTY(()) tree parse_roots[2]; |
b5c4fed9 | 75 | |
23a79c61 | 76 | /* The FIELD_DECL for the current field. */ |
b5c4fed9 | 77 | #define current_field parse_roots[0] |
e04a16fb | 78 | |
5e942c50 | 79 | /* The METHOD_DECL for the current method. */ |
b5c4fed9 | 80 | #define current_method parse_roots[1] |
e04a16fb | 81 | |
cb3a1430 PB |
82 | /* Line 0 in current file, if compiling from bytecode. */ |
83 | static location_t file_start_location; | |
84 | ||
54646811 | 85 | /* The Java archive that provides main_class; the main input file. */ |
17211ab5 | 86 | static GTY(()) struct JCF * main_jcf; |
4f65832d | 87 | |
cf484e91 | 88 | /* A list of all the class DECLs seen so far. */ |
9771b263 | 89 | static GTY(()) vec<tree, va_gc> *all_class_list; |
cf484e91 | 90 | |
61a89891 | 91 | /* The number of source files passed to us by -fsource-filename and an |
97b8365c TT |
92 | array of pointers to each name. Used by find_sourcefile(). */ |
93 | static int num_files = 0; | |
94 | static char **filenames; | |
95 | ||
54646811 PB |
96 | static struct ZipFile *localToFile; |
97 | ||
97b8365c TT |
98 | /* A map of byte offsets in the reflection data that are fields which |
99 | need renumbering. */ | |
100 | bitmap field_offsets; | |
101 | bitmap_obstack bit_obstack; | |
102 | ||
5e942c50 | 103 | /* Declarations of some functions used here. */ |
97b8365c | 104 | static void handle_innerclass_attribute (int count, JCF *, int len); |
d2097937 | 105 | static tree give_name_to_class (JCF *jcf, int index); |
3e895978 TT |
106 | static char *compute_class_name (struct ZipDirectory *zdir); |
107 | static int classify_zip_file (struct ZipDirectory *zdir); | |
d2097937 KG |
108 | static void parse_zip_file_entries (void); |
109 | static void process_zip_dir (FILE *); | |
d2097937 | 110 | static void parse_class_file (void); |
f94ae540 | 111 | static void handle_deprecated (void); |
d2097937 | 112 | static void set_source_filename (JCF *, int); |
d2097937 KG |
113 | static void jcf_parse (struct JCF*); |
114 | static void load_inner_classes (tree); | |
97b8365c TT |
115 | static void handle_annotation (JCF *jcf, int level); |
116 | static void java_layout_seen_class_methods (void); | |
3432b91b | 117 | |
f94ae540 TT |
118 | /* Handle "Deprecated" attribute. */ |
119 | static void | |
120 | handle_deprecated (void) | |
121 | { | |
122 | if (current_field != NULL_TREE) | |
123 | FIELD_DEPRECATED (current_field) = 1; | |
124 | else if (current_method != NULL_TREE) | |
125 | METHOD_DEPRECATED (current_method) = 1; | |
126 | else if (current_class != NULL_TREE) | |
127 | CLASS_DEPRECATED (TYPE_NAME (current_class)) = 1; | |
128 | else | |
129 | { | |
130 | /* Shouldn't happen. */ | |
ab184b2a | 131 | gcc_unreachable (); |
f94ae540 TT |
132 | } |
133 | } | |
134 | ||
97b8365c TT |
135 | \f |
136 | ||
137 | /* Reverse a string. */ | |
138 | static char * | |
139 | reverse (const char *s) | |
140 | { | |
141 | if (s == NULL) | |
142 | return NULL; | |
143 | else | |
144 | { | |
145 | int len = strlen (s); | |
e1e4cdc4 | 146 | char *d = XNEWVAR (char, len + 1); |
97b8365c TT |
147 | const char *sp; |
148 | char *dp; | |
149 | ||
150 | d[len] = 0; | |
151 | for (dp = &d[0], sp = &s[len-1]; sp >= s; dp++, sp--) | |
152 | *dp = *sp; | |
153 | ||
154 | return d; | |
155 | } | |
156 | } | |
157 | ||
158 | /* Compare two strings for qsort(). */ | |
159 | static int | |
160 | cmpstringp (const void *p1, const void *p2) | |
161 | { | |
162 | /* The arguments to this function are "pointers to | |
163 | pointers to char", but strcmp() arguments are "pointers | |
164 | to char", hence the following cast plus dereference */ | |
165 | ||
741ac903 | 166 | return strcmp(*(const char *const*) p1, *(const char *const*) p2); |
97b8365c TT |
167 | } |
168 | ||
169 | /* Create an array of strings, one for each source file that we've | |
170 | seen. fsource_filename can either be the name of a single .java | |
171 | file or a file that contains a list of filenames separated by | |
172 | newlines. */ | |
173 | void | |
174 | java_read_sourcefilenames (const char *fsource_filename) | |
175 | { | |
176 | if (fsource_filename | |
177 | && filenames == 0 | |
178 | && strlen (fsource_filename) > strlen (".java") | |
ba78087b KT |
179 | && filename_cmp ((fsource_filename |
180 | + strlen (fsource_filename) | |
181 | - strlen (".java")), | |
97b8365c TT |
182 | ".java") != 0) |
183 | { | |
184 | /* fsource_filename isn't a .java file but a list of filenames | |
185 | separated by newlines */ | |
186 | FILE *finput = fopen (fsource_filename, "r"); | |
187 | int len = 0; | |
188 | int longest_line = 0; | |
189 | ||
190 | gcc_assert (finput); | |
191 | ||
192 | /* Find out how many files there are, and how long the filenames are. */ | |
193 | while (! feof (finput)) | |
194 | { | |
195 | int ch = getc (finput); | |
196 | if (ch == '\n') | |
197 | { | |
198 | num_files++; | |
199 | if (len > longest_line) | |
200 | longest_line = len; | |
201 | len = 0; | |
202 | continue; | |
203 | } | |
204 | if (ch == EOF) | |
205 | break; | |
206 | len++; | |
207 | } | |
208 | ||
209 | rewind (finput); | |
210 | ||
211 | /* Read the filenames. Put a pointer to each filename into the | |
212 | array FILENAMES. */ | |
213 | { | |
e1e4cdc4 | 214 | char *linebuf = (char *) alloca (longest_line + 1); |
97b8365c TT |
215 | int i = 0; |
216 | int charpos; | |
217 | ||
e1e4cdc4 | 218 | filenames = XNEWVEC (char *, num_files); |
97b8365c TT |
219 | |
220 | charpos = 0; | |
221 | for (;;) | |
222 | { | |
223 | int ch = getc (finput); | |
224 | if (ch == EOF) | |
225 | break; | |
226 | if (ch == '\n') | |
227 | { | |
228 | linebuf[charpos] = 0; | |
229 | gcc_assert (i < num_files); | |
230 | /* ??? Perhaps we should use lrealpath() here. Doing | |
231 | so would tidy up things like /../ but the rest of | |
232 | gcc seems to assume relative pathnames, not | |
233 | absolute pathnames. */ | |
234 | /* realname = lrealpath (linebuf); */ | |
235 | filenames[i++] = reverse (linebuf); | |
236 | charpos = 0; | |
237 | continue; | |
238 | } | |
239 | gcc_assert (charpos < longest_line); | |
240 | linebuf[charpos++] = ch; | |
241 | } | |
242 | ||
243 | if (num_files > 1) | |
244 | qsort (filenames, num_files, sizeof (char *), cmpstringp); | |
245 | } | |
246 | fclose (finput); | |
247 | } | |
248 | else | |
249 | { | |
e1e4cdc4 | 250 | filenames = XNEWVEC (char *, 1); |
97b8365c TT |
251 | filenames[0] = reverse (fsource_filename); |
252 | num_files = 1; | |
253 | } | |
254 | } | |
255 | ||
256 | /* Given a relative pathname such as foo/bar.java, attempt to find a | |
257 | longer pathname with the same suffix. | |
258 | ||
5041541e | 259 | This is a best guess heuristic; with some weird class hierarchies we |
97b8365c TT |
260 | may fail to pick the correct source file. For example, if we have |
261 | the filenames foo/bar.java and also foo/foo/bar.java, we do not | |
262 | have enough information to know which one is the right match for | |
263 | foo/bar.java. */ | |
264 | ||
265 | static const char * | |
266 | find_sourcefile (const char *name) | |
267 | { | |
268 | int i = 0, j = num_files-1; | |
269 | char *found = NULL; | |
270 | ||
271 | if (filenames) | |
272 | { | |
273 | char *revname = reverse (name); | |
274 | ||
275 | do | |
276 | { | |
277 | int k = (i+j) / 2; | |
278 | int cmp = strncmp (revname, filenames[k], strlen (revname)); | |
279 | if (cmp == 0) | |
280 | { | |
281 | /* OK, so we found one. But is it a unique match? */ | |
282 | if ((k > i | |
283 | && strncmp (revname, filenames[k-1], strlen (revname)) == 0) | |
284 | || (k < j | |
285 | && (strncmp (revname, filenames[k+1], strlen (revname)) | |
286 | == 0))) | |
287 | ; | |
288 | else | |
289 | found = filenames[k]; | |
290 | break; | |
291 | } | |
292 | if (cmp > 0) | |
293 | i = k+1; | |
294 | else | |
295 | j = k-1; | |
296 | } | |
297 | while (i <= j); | |
298 | ||
299 | free (revname); | |
300 | } | |
301 | ||
302 | if (found && strlen (found) > strlen (name)) | |
303 | return reverse (found); | |
304 | else | |
305 | return name; | |
306 | } | |
307 | ||
308 | \f | |
309 | ||
e04a16fb AG |
310 | /* Handle "SourceFile" attribute. */ |
311 | ||
c8e7d2e6 | 312 | static void |
0a2f0c54 | 313 | set_source_filename (JCF *jcf, int index) |
e04a16fb AG |
314 | { |
315 | tree sfname_id = get_name_constant (jcf, index); | |
63ad61ed | 316 | const char *sfname = IDENTIFIER_POINTER (sfname_id); |
8400e75e | 317 | const char *old_filename = LOCATION_FILE (input_location); |
cb3a1430 PB |
318 | int new_len = IDENTIFIER_LENGTH (sfname_id); |
319 | if (old_filename != NULL) | |
e04a16fb | 320 | { |
cb3a1430 | 321 | int old_len = strlen (old_filename); |
8400e75e DM |
322 | /* Use the filename from current input_location (derived from the |
323 | class name) if it has a directory prefix, but otherwise matches | |
324 | sfname. */ | |
e04a16fb | 325 | if (old_len > new_len |
ba78087b | 326 | && filename_cmp (sfname, old_filename + old_len - new_len) == 0 |
cb3a1430 PB |
327 | && (old_filename[old_len - new_len - 1] == '/' |
328 | || old_filename[old_len - new_len - 1] == '\\')) | |
2d593c86 | 329 | return; |
e04a16fb | 330 | } |
cb3a1430 PB |
331 | if (strchr (sfname, '/') == NULL && strchr (sfname, '\\') == NULL) |
332 | { | |
333 | const char *class_name | |
334 | = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))); | |
74f24290 | 335 | const char *dot = strrchr (class_name, '.'); |
cb3a1430 PB |
336 | if (dot != NULL) |
337 | { | |
ca6b9955 PB |
338 | /* Length of prefix, not counting final dot. */ |
339 | int i = dot - class_name; | |
cb3a1430 | 340 | /* Concatenate current package prefix with new sfname. */ |
5ed6ace5 | 341 | char *buf = XNEWVEC (char, i + new_len + 2); /* Space for '.' and '\0'. */ |
ca6b9955 PB |
342 | strcpy (buf + i + 1, sfname); |
343 | /* Copy package from class_name, replacing '.' by DIR_SEPARATOR. | |
344 | Note we start at the end with the final package dot. */ | |
cb3a1430 PB |
345 | for (; i >= 0; i--) |
346 | { | |
ca6b9955 PB |
347 | char c = class_name[i]; |
348 | if (c == '.') | |
349 | c = DIR_SEPARATOR; | |
350 | buf[i] = c; | |
cb3a1430 PB |
351 | } |
352 | sfname_id = get_identifier (buf); | |
ca6b9955 | 353 | free (buf); |
cb3a1430 PB |
354 | sfname = IDENTIFIER_POINTER (sfname_id); |
355 | } | |
356 | } | |
357 | ||
97b8365c | 358 | sfname = find_sourcefile (sfname); |
46427374 | 359 | ORDINARY_MAP_FILE_NAME (LINEMAPS_LAST_ORDINARY_MAP (line_table)) = sfname; |
cb3a1430 | 360 | if (current_class == main_class) main_input_filename = sfname; |
e04a16fb AG |
361 | } |
362 | ||
97b8365c TT |
363 | |
364 | \f | |
365 | ||
366 | /* Annotation handling. | |
367 | ||
368 | The technique we use here is to copy the annotation data directly | |
61a89891 | 369 | from the input class file into the output file. We don't decode the |
97b8365c | 370 | data at all, merely rewriting constant indexes whenever we come |
61a89891 | 371 | across them: this is necessary because the constant pool in the |
cff41484 | 372 | output file isn't the same as the constant pool in the input. |
97b8365c TT |
373 | |
374 | The main advantage of this technique is that the resulting | |
375 | annotation data is pointer-free, so it doesn't have to be relocated | |
376 | at startup time. As a consequence of this, annotations have no | |
61a89891 | 377 | performance impact unless they are used. Also, this representation |
97b8365c TT |
378 | is very dense. */ |
379 | ||
380 | ||
381 | /* Expand TYPE_REFLECTION_DATA by DELTA bytes. Return the address of | |
382 | the start of the newly allocated region. */ | |
383 | ||
384 | static unsigned char* | |
385 | annotation_grow (int delta) | |
386 | { | |
387 | unsigned char **data = &TYPE_REFLECTION_DATA (current_class); | |
388 | long *datasize = &TYPE_REFLECTION_DATASIZE (current_class); | |
389 | long len = *datasize; | |
390 | ||
391 | if (*data == NULL) | |
392 | { | |
e1e4cdc4 | 393 | *data = XNEWVAR (unsigned char, delta); |
97b8365c TT |
394 | } |
395 | else | |
396 | { | |
397 | int newlen = *datasize + delta; | |
398 | if (floor_log2 (newlen) != floor_log2 (*datasize)) | |
e1e4cdc4 | 399 | *data = XRESIZEVAR (unsigned char, *data, 2 << (floor_log2 (newlen))); |
97b8365c TT |
400 | } |
401 | *datasize += delta; | |
402 | return *data + len; | |
403 | } | |
404 | ||
405 | /* annotation_rewrite_TYPE. Rewrite various int types at p. Use Java | |
406 | byte order (i.e. big endian.) */ | |
407 | ||
408 | static void | |
409 | annotation_rewrite_byte (unsigned int n, unsigned char *p) | |
410 | { | |
411 | p[0] = n; | |
412 | } | |
413 | ||
414 | static void | |
415 | annotation_rewrite_short (unsigned int n, unsigned char *p) | |
416 | { | |
417 | p[0] = n>>8; | |
418 | p[1] = n; | |
419 | } | |
420 | ||
421 | static void | |
422 | annotation_rewrite_int (unsigned int n, unsigned char *p) | |
423 | { | |
424 | p[0] = n>>24; | |
425 | p[1] = n>>16; | |
426 | p[2] = n>>8; | |
427 | p[3] = n; | |
428 | } | |
429 | ||
430 | /* Read a 16-bit unsigned int in Java byte order (i.e. big | |
431 | endian.) */ | |
432 | ||
433 | static uint16 | |
434 | annotation_read_short (unsigned char *p) | |
435 | { | |
436 | uint16 tmp = p[0]; | |
437 | tmp = (tmp << 8) | p[1]; | |
438 | return tmp; | |
439 | } | |
440 | ||
441 | /* annotation_write_TYPE. Rewrite various int types, appending them | |
442 | to TYPE_REFLECTION_DATA. Use Java byte order (i.e. big | |
443 | endian.) */ | |
444 | ||
445 | static void | |
446 | annotation_write_byte (unsigned int n) | |
447 | { | |
448 | annotation_rewrite_byte (n, annotation_grow (1)); | |
449 | } | |
450 | ||
451 | static void | |
452 | annotation_write_short (unsigned int n) | |
453 | { | |
454 | annotation_rewrite_short (n, annotation_grow (2)); | |
455 | } | |
456 | ||
457 | static void | |
458 | annotation_write_int (unsigned int n) | |
459 | { | |
460 | annotation_rewrite_int (n, annotation_grow (4)); | |
461 | } | |
462 | ||
463 | /* Create a 64-bit constant in the constant pool. | |
464 | ||
465 | This is used for both integer and floating-point types. As a | |
466 | consequence, it will not work if the target floating-point format | |
467 | is anything other than IEEE-754. While this is arguably a bug, the | |
468 | runtime library makes exactly the same assumption and it's unlikely | |
469 | that Java will ever run on a non-IEEE machine. */ | |
470 | ||
471 | static int | |
472 | handle_long_constant (JCF *jcf, CPool *cpool, enum cpool_tag kind, | |
473 | int index, bool big_endian) | |
474 | { | |
475 | /* If we're on a 64-bit platform we can fit a long or double | |
476 | into the same space as a jword. */ | |
477 | if (POINTER_SIZE >= 64) | |
478 | index = find_constant1 (cpool, kind, JPOOL_LONG (jcf, index)); | |
479 | ||
480 | /* In a compiled program the constant pool is in native word | |
481 | order. How weird is that??? */ | |
482 | else if (big_endian) | |
483 | index = find_constant2 (cpool, kind, | |
484 | JPOOL_INT (jcf, index), | |
485 | JPOOL_INT (jcf, index+1)); | |
486 | else | |
487 | index = find_constant2 (cpool, kind, | |
488 | JPOOL_INT (jcf, index+1), | |
489 | JPOOL_INT (jcf, index)); | |
490 | ||
491 | return index; | |
492 | } | |
493 | ||
494 | /* Given a class file and an index into its constant pool, create an | |
495 | entry in the outgoing constant pool for the same item. */ | |
496 | ||
497 | static uint16 | |
498 | handle_constant (JCF *jcf, int index, enum cpool_tag purpose) | |
499 | { | |
cdb88468 | 500 | unsigned int kind; |
97b8365c TT |
501 | CPool *cpool = cpool_for_class (output_class); |
502 | ||
503 | if (index == 0) | |
504 | return 0; | |
505 | ||
506 | if (! CPOOL_INDEX_IN_RANGE (&jcf->cpool, index)) | |
507 | error ("<constant pool index %d not in range>", index); | |
508 | ||
cdb88468 | 509 | kind = JPOOL_TAG (jcf, index); |
97b8365c TT |
510 | |
511 | if ((kind & ~CONSTANT_ResolvedFlag) != purpose) | |
512 | { | |
513 | if (purpose == CONSTANT_Class | |
514 | && kind == CONSTANT_Utf8) | |
515 | ; | |
516 | else | |
517 | error ("<constant pool index %d unexpected type", index); | |
518 | } | |
519 | ||
520 | switch (kind) | |
521 | { | |
522 | case CONSTANT_Class: | |
523 | case CONSTANT_ResolvedClass: | |
524 | { | |
525 | /* For some reason I know not the what of, class names in | |
526 | annotations are UTF-8 strings in the constant pool but | |
527 | class names in EnclosingMethod attributes are real class | |
528 | references. Set CONSTANT_LazyFlag here so that the VM | |
529 | doesn't attempt to resolve them at class initialization | |
530 | time. */ | |
531 | tree resolved_class, class_name; | |
532 | resolved_class = get_class_constant (jcf, index); | |
533 | class_name = build_internal_class_name (resolved_class); | |
534 | index = alloc_name_constant (CONSTANT_Class | CONSTANT_LazyFlag, | |
535 | (unmangle_classname | |
536 | (IDENTIFIER_POINTER(class_name), | |
537 | IDENTIFIER_LENGTH(class_name)))); | |
538 | break; | |
539 | } | |
540 | case CONSTANT_Utf8: | |
541 | { | |
542 | tree utf8 = get_constant (jcf, index); | |
543 | if (purpose == CONSTANT_Class) | |
544 | /* Create a constant pool entry for a type signature. This | |
545 | one has '.' rather than '/' because it isn't going into a | |
546 | class file, it's going into a compiled object. | |
547 | ||
548 | This has to match the logic in | |
549 | _Jv_ClassReader::prepare_pool_entry(). */ | |
550 | utf8 = unmangle_classname (IDENTIFIER_POINTER(utf8), | |
551 | IDENTIFIER_LENGTH(utf8)); | |
552 | index = alloc_name_constant (kind, utf8); | |
553 | } | |
554 | break; | |
555 | ||
556 | case CONSTANT_Long: | |
cdb88468 | 557 | index = handle_long_constant (jcf, cpool, CONSTANT_Long, index, |
2e681adf | 558 | targetm.words_big_endian ()); |
97b8365c TT |
559 | break; |
560 | ||
561 | case CONSTANT_Double: | |
cdb88468 | 562 | index = handle_long_constant (jcf, cpool, CONSTANT_Double, index, |
2e681adf | 563 | targetm.float_words_big_endian ()); |
97b8365c TT |
564 | break; |
565 | ||
566 | case CONSTANT_Float: | |
567 | case CONSTANT_Integer: | |
568 | index = find_constant1 (cpool, kind, JPOOL_INT (jcf, index)); | |
569 | break; | |
570 | ||
571 | case CONSTANT_NameAndType: | |
572 | { | |
573 | uint16 name = JPOOL_USHORT1 (jcf, index); | |
574 | uint16 sig = JPOOL_USHORT2 (jcf, index); | |
575 | uint32 name_index = handle_constant (jcf, name, CONSTANT_Utf8); | |
576 | uint32 sig_index = handle_constant (jcf, sig, CONSTANT_Class); | |
577 | jword new_index = (name_index << 16) | sig_index; | |
578 | index = find_constant1 (cpool, kind, new_index); | |
579 | } | |
580 | break; | |
581 | ||
582 | default: | |
583 | abort (); | |
584 | } | |
585 | ||
586 | return index; | |
587 | } | |
588 | ||
589 | /* Read an element_value structure from an annotation in JCF. Return | |
590 | the constant pool index for the resulting constant pool entry. */ | |
591 | ||
592 | static int | |
593 | handle_element_value (JCF *jcf, int level) | |
594 | { | |
595 | uint8 tag = JCF_readu (jcf); | |
596 | int index = 0; | |
597 | ||
598 | annotation_write_byte (tag); | |
599 | switch (tag) | |
600 | { | |
601 | case 'B': | |
602 | case 'C': | |
603 | case 'S': | |
604 | case 'Z': | |
605 | case 'I': | |
606 | { | |
607 | uint16 cindex = JCF_readu2 (jcf); | |
608 | index = handle_constant (jcf, cindex, | |
609 | CONSTANT_Integer); | |
610 | annotation_write_short (index); | |
611 | } | |
612 | break; | |
613 | case 'D': | |
614 | { | |
615 | uint16 cindex = JCF_readu2 (jcf); | |
616 | index = handle_constant (jcf, cindex, | |
617 | CONSTANT_Double); | |
618 | annotation_write_short (index); | |
619 | } | |
620 | break; | |
621 | case 'F': | |
622 | { | |
623 | uint16 cindex = JCF_readu2 (jcf); | |
624 | index = handle_constant (jcf, cindex, | |
625 | CONSTANT_Float); | |
626 | annotation_write_short (index); | |
627 | } | |
628 | break; | |
629 | case 'J': | |
630 | { | |
631 | uint16 cindex = JCF_readu2 (jcf); | |
632 | index = handle_constant (jcf, cindex, | |
633 | CONSTANT_Long); | |
634 | annotation_write_short (index); | |
635 | } | |
636 | break; | |
637 | case 's': | |
638 | { | |
639 | uint16 cindex = JCF_readu2 (jcf); | |
640 | /* Despite what the JVM spec says, compilers generate a Utf8 | |
641 | constant here, not a String. */ | |
642 | index = handle_constant (jcf, cindex, | |
643 | CONSTANT_Utf8); | |
644 | annotation_write_short (index); | |
645 | } | |
646 | break; | |
647 | ||
648 | case 'e': | |
649 | { | |
650 | uint16 type_name_index = JCF_readu2 (jcf); | |
651 | uint16 const_name_index = JCF_readu2 (jcf); | |
652 | index = handle_constant (jcf, type_name_index, | |
653 | CONSTANT_Class); | |
654 | annotation_write_short (index); | |
655 | index = handle_constant (jcf, const_name_index, | |
656 | CONSTANT_Utf8); | |
657 | annotation_write_short (index); | |
658 | } | |
659 | break; | |
660 | case 'c': | |
661 | { | |
662 | uint16 class_info_index = JCF_readu2 (jcf); | |
663 | index = handle_constant (jcf, class_info_index, | |
664 | CONSTANT_Class); | |
665 | annotation_write_short (index); | |
666 | } | |
667 | break; | |
668 | case '@': | |
669 | { | |
670 | handle_annotation (jcf, level + 1); | |
671 | } | |
672 | break; | |
673 | case '[': | |
674 | { | |
675 | uint16 n_array_elts = JCF_readu2 (jcf); | |
676 | annotation_write_short (n_array_elts); | |
677 | while (n_array_elts--) | |
678 | handle_element_value (jcf, level + 1); | |
679 | } | |
680 | break; | |
681 | default: | |
682 | abort(); | |
683 | break; | |
684 | } | |
685 | return index; | |
686 | } | |
687 | ||
688 | /* Read an annotation structure from JCF. Write it to the | |
689 | reflection_data field of the outgoing class. */ | |
690 | ||
691 | static void | |
692 | handle_annotation (JCF *jcf, int level) | |
693 | { | |
694 | uint16 type_index = JCF_readu2 (jcf); | |
695 | uint16 npairs = JCF_readu2 (jcf); | |
696 | int index = handle_constant (jcf, type_index, | |
697 | CONSTANT_Class); | |
698 | annotation_write_short (index); | |
699 | annotation_write_short (npairs); | |
700 | while (npairs--) | |
701 | { | |
702 | uint16 name_index = JCF_readu2 (jcf); | |
703 | index = handle_constant (jcf, name_index, | |
704 | CONSTANT_Utf8); | |
705 | annotation_write_short (index); | |
706 | handle_element_value (jcf, level + 2); | |
707 | } | |
708 | } | |
709 | ||
710 | /* Read an annotation count from JCF, and write the following | |
61a89891 | 711 | annotations to the reflection_data field of the outgoing class. */ |
97b8365c TT |
712 | |
713 | static void | |
714 | handle_annotations (JCF *jcf, int level) | |
715 | { | |
716 | uint16 num = JCF_readu2 (jcf); | |
717 | annotation_write_short (num); | |
718 | while (num--) | |
719 | handle_annotation (jcf, level); | |
720 | } | |
721 | ||
722 | /* As handle_annotations(), but perform a sanity check that we write | |
723 | the same number of bytes that we were expecting. */ | |
724 | ||
725 | static void | |
726 | handle_annotation_attribute (int ATTRIBUTE_UNUSED index, JCF *jcf, | |
727 | long length) | |
728 | { | |
729 | long old_datasize = TYPE_REFLECTION_DATASIZE (current_class); | |
730 | ||
731 | handle_annotations (jcf, 0); | |
732 | ||
733 | gcc_assert (old_datasize + length | |
734 | == TYPE_REFLECTION_DATASIZE (current_class)); | |
735 | } | |
736 | ||
737 | /* gcj permutes its fields array after generating annotation_data, so | |
738 | we have to fixup field indexes for fields that have moved. Given | |
739 | ARG, a VEC_int, fixup the field indexes in the reflection_data of | |
740 | the outgoing class. We use field_offsets to tell us where the | |
741 | fixups must go. */ | |
742 | ||
743 | void | |
744 | rewrite_reflection_indexes (void *arg) | |
745 | { | |
746 | bitmap_iterator bi; | |
747 | unsigned int offset; | |
9771b263 | 748 | vec<int> *map = (vec<int> *) arg; |
97b8365c TT |
749 | unsigned char *data = TYPE_REFLECTION_DATA (current_class); |
750 | ||
751 | if (map) | |
752 | { | |
753 | EXECUTE_IF_SET_IN_BITMAP (field_offsets, 0, offset, bi) | |
754 | { | |
755 | uint16 index = annotation_read_short (data + offset); | |
756 | annotation_rewrite_short | |
9771b263 | 757 | ((*map)[index], data + offset); |
97b8365c TT |
758 | } |
759 | } | |
760 | } | |
761 | ||
762 | /* Read the RuntimeVisibleAnnotations from JCF and write them to the | |
763 | reflection_data of the outgoing class. */ | |
764 | ||
765 | static void | |
766 | handle_member_annotations (int member_index, JCF *jcf, | |
767 | const unsigned char *name ATTRIBUTE_UNUSED, | |
768 | long len, jv_attr_type member_type) | |
769 | { | |
770 | int new_len = len + 1; | |
771 | annotation_write_byte (member_type); | |
772 | if (member_type != JV_CLASS_ATTR) | |
773 | new_len += 2; | |
774 | annotation_write_int (new_len); | |
775 | annotation_write_byte (JV_ANNOTATIONS_KIND); | |
776 | if (member_type == JV_FIELD_ATTR) | |
777 | bitmap_set_bit (field_offsets, TYPE_REFLECTION_DATASIZE (current_class)); | |
778 | if (member_type != JV_CLASS_ATTR) | |
779 | annotation_write_short (member_index); | |
780 | handle_annotation_attribute (member_index, jcf, len); | |
781 | } | |
782 | ||
783 | /* Read the RuntimeVisibleParameterAnnotations from JCF and write them | |
784 | to the reflection_data of the outgoing class. */ | |
785 | ||
786 | static void | |
787 | handle_parameter_annotations (int member_index, JCF *jcf, | |
788 | const unsigned char *name ATTRIBUTE_UNUSED, | |
789 | long len, jv_attr_type member_type) | |
790 | { | |
791 | int new_len = len + 1; | |
792 | uint8 num; | |
793 | annotation_write_byte (member_type); | |
794 | if (member_type != JV_CLASS_ATTR) | |
795 | new_len += 2; | |
796 | annotation_write_int (new_len); | |
797 | annotation_write_byte (JV_PARAMETER_ANNOTATIONS_KIND); | |
798 | if (member_type != JV_CLASS_ATTR) | |
799 | annotation_write_short (member_index); | |
800 | num = JCF_readu (jcf); | |
801 | annotation_write_byte (num); | |
802 | while (num--) | |
803 | handle_annotations (jcf, 0); | |
804 | } | |
805 | ||
806 | ||
807 | /* Read the AnnotationDefault data from JCF and write them to the | |
808 | reflection_data of the outgoing class. */ | |
809 | ||
810 | static void | |
811 | handle_default_annotation (int member_index, JCF *jcf, | |
812 | const unsigned char *name ATTRIBUTE_UNUSED, | |
813 | long len, jv_attr_type member_type) | |
814 | { | |
815 | int new_len = len + 1; | |
816 | annotation_write_byte (member_type); | |
817 | if (member_type != JV_CLASS_ATTR) | |
818 | new_len += 2; | |
819 | annotation_write_int (new_len); | |
820 | annotation_write_byte (JV_ANNOTATION_DEFAULT_KIND); | |
821 | if (member_type != JV_CLASS_ATTR) | |
822 | annotation_write_short (member_index); | |
823 | handle_element_value (jcf, 0); | |
824 | } | |
825 | ||
826 | /* As above, for the EnclosingMethod attribute. */ | |
827 | ||
828 | static void | |
829 | handle_enclosingmethod_attribute (int member_index, JCF *jcf, | |
830 | const unsigned char *name ATTRIBUTE_UNUSED, | |
831 | long len, jv_attr_type member_type) | |
832 | { | |
833 | int new_len = len + 1; | |
834 | uint16 index; | |
835 | annotation_write_byte (member_type); | |
836 | if (member_type != JV_CLASS_ATTR) | |
837 | new_len += 2; | |
838 | annotation_write_int (new_len); | |
839 | annotation_write_byte (JV_ENCLOSING_METHOD_KIND); | |
840 | if (member_type != JV_CLASS_ATTR) | |
841 | annotation_write_short (member_index); | |
842 | ||
843 | index = JCF_readu2 (jcf); | |
844 | index = handle_constant (jcf, index, CONSTANT_Class); | |
845 | annotation_write_short (index); | |
846 | ||
847 | index = JCF_readu2 (jcf); | |
848 | index = handle_constant (jcf, index, CONSTANT_NameAndType); | |
849 | annotation_write_short (index); | |
850 | } | |
851 | ||
852 | /* As above, for the Signature attribute. */ | |
853 | ||
854 | static void | |
855 | handle_signature_attribute (int member_index, JCF *jcf, | |
856 | const unsigned char *name ATTRIBUTE_UNUSED, | |
857 | long len, jv_attr_type member_type) | |
858 | { | |
859 | int new_len = len + 1; | |
860 | uint16 index; | |
861 | annotation_write_byte (member_type); | |
862 | if (member_type != JV_CLASS_ATTR) | |
863 | new_len += 2; | |
864 | annotation_write_int (new_len); | |
865 | annotation_write_byte (JV_SIGNATURE_KIND); | |
866 | if (member_type != JV_CLASS_ATTR) | |
867 | annotation_write_short (member_index); | |
868 | ||
869 | index = JCF_readu2 (jcf); | |
870 | index = handle_constant (jcf, index, CONSTANT_Utf8); | |
871 | annotation_write_short (index); | |
872 | } | |
873 | ||
874 | \f | |
875 | ||
e04a16fb AG |
876 | #define HANDLE_SOURCEFILE(INDEX) set_source_filename (jcf, INDEX) |
877 | ||
878 | #define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \ | |
879 | { tree super_class = SUPER==0 ? NULL_TREE : get_class_constant (jcf, SUPER); \ | |
85194ee9 | 880 | output_class = current_class = give_name_to_class (jcf, THIS); \ |
e04a16fb AG |
881 | set_super_info (ACCESS_FLAGS, current_class, super_class, INTERFACES_COUNT);} |
882 | ||
883 | #define HANDLE_CLASS_INTERFACE(INDEX) \ | |
884 | add_interface (current_class, get_class_constant (jcf, INDEX)) | |
885 | ||
886 | #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ | |
887 | { int sig_index = SIGNATURE; \ | |
888 | current_field = add_field (current_class, get_name_constant (jcf, NAME), \ | |
889 | parse_signature (jcf, sig_index), ACCESS_FLAGS); \ | |
493d561d APB |
890 | set_java_signature (TREE_TYPE (current_field), JPOOL_UTF (jcf, sig_index)); \ |
891 | if ((ACCESS_FLAGS) & ACC_FINAL) \ | |
892 | MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (current_field); \ | |
893 | } | |
e04a16fb AG |
894 | |
895 | #define HANDLE_END_FIELDS() \ | |
896 | (current_field = NULL_TREE) | |
897 | ||
898 | #define HANDLE_CONSTANTVALUE(INDEX) \ | |
899 | { tree constant; int index = INDEX; \ | |
6e63e240 | 900 | if (JPOOL_TAG (jcf, index) == CONSTANT_String) { \ |
e04a16fb AG |
901 | tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); \ |
902 | constant = build_utf8_ref (name); \ | |
903 | } \ | |
904 | else \ | |
905 | constant = get_constant (jcf, index); \ | |
906 | set_constant_value (current_field, constant); } | |
907 | ||
908 | #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ | |
909 | (current_method = add_method (current_class, ACCESS_FLAGS, \ | |
910 | get_name_constant (jcf, NAME), \ | |
911 | get_name_constant (jcf, SIGNATURE)), \ | |
912 | DECL_LOCALVARIABLES_OFFSET (current_method) = 0, \ | |
913 | DECL_LINENUMBERS_OFFSET (current_method) = 0) | |
914 | ||
915 | #define HANDLE_END_METHODS() \ | |
c02ebb18 | 916 | { current_method = NULL_TREE; } |
e04a16fb AG |
917 | |
918 | #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \ | |
919 | { DECL_MAX_STACK (current_method) = (MAX_STACK); \ | |
920 | DECL_MAX_LOCALS (current_method) = (MAX_LOCALS); \ | |
921 | DECL_CODE_LENGTH (current_method) = (CODE_LENGTH); \ | |
922 | DECL_CODE_OFFSET (current_method) = JCF_TELL (jcf); } | |
923 | ||
924 | #define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \ | |
925 | { int n = (COUNT); \ | |
926 | DECL_LOCALVARIABLES_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ | |
927 | JCF_SKIP (jcf, n * 10); } | |
928 | ||
929 | #define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \ | |
930 | { int n = (COUNT); \ | |
931 | DECL_LINENUMBERS_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ | |
932 | JCF_SKIP (jcf, n * 4); } | |
933 | ||
0ef38928 PB |
934 | #define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \ |
935 | { \ | |
936 | int n = COUNT; \ | |
9771b263 DN |
937 | vec<tree, va_gc> *v; \ |
938 | vec_alloc (v, n); \ | |
939 | gcc_assert (!DECL_FUNCTION_THROWS (current_method)); \ | |
0ef38928 PB |
940 | while (--n >= 0) \ |
941 | { \ | |
942 | tree thrown_class = get_class_constant (jcf, JCF_readu2 (jcf)); \ | |
9771b263 | 943 | v->quick_push (thrown_class); \ |
0ef38928 | 944 | } \ |
6484716c | 945 | DECL_FUNCTION_THROWS (current_method) = v; \ |
0ef38928 PB |
946 | } |
947 | ||
f94ae540 TT |
948 | #define HANDLE_DEPRECATED_ATTRIBUTE() handle_deprecated () |
949 | ||
c2952b01 APB |
950 | /* Link seen inner classes to their outer context and register the |
951 | inner class to its outer context. They will be later loaded. */ | |
493d561d | 952 | #define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \ |
97b8365c | 953 | handle_innerclass_attribute (COUNT, jcf, attribute_length) |
493d561d APB |
954 | |
955 | #define HANDLE_SYNTHETIC_ATTRIBUTE() \ | |
956 | { \ | |
1456345e | 957 | /* Irrelevant decls should have been nullified by the END macros. \ |
1456345e APB |
958 | DECL_ARTIFICIAL on fields is used for something else (See \ |
959 | PUSH_FIELD in java-tree.h) */ \ | |
493d561d APB |
960 | if (current_method) \ |
961 | DECL_ARTIFICIAL (current_method) = 1; \ | |
97b8365c TT |
962 | else if (current_field) \ |
963 | FIELD_SYNTHETIC (current_field) = 1; \ | |
964 | else \ | |
c863b570 | 965 | TYPE_SYNTHETIC (current_class) = 1; \ |
c2952b01 APB |
966 | } |
967 | ||
b124f72e APB |
968 | #define HANDLE_GCJCOMPILED_ATTRIBUTE() \ |
969 | { \ | |
970 | if (current_class == object_type_node) \ | |
971 | jcf->right_zip = 1; \ | |
972 | } | |
973 | ||
97b8365c TT |
974 | #define HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE() \ |
975 | { \ | |
976 | handle_member_annotations (index, jcf, name_data, attribute_length, attr_type); \ | |
977 | } | |
978 | ||
979 | #define HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE() \ | |
980 | { \ | |
981 | JCF_SKIP(jcf, attribute_length); \ | |
982 | } | |
983 | ||
984 | #define HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ | |
985 | { \ | |
986 | handle_parameter_annotations (index, jcf, name_data, attribute_length, attr_type); \ | |
987 | } | |
988 | ||
989 | #define HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ | |
990 | { \ | |
991 | JCF_SKIP(jcf, attribute_length); \ | |
992 | } | |
993 | ||
994 | #define HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE() \ | |
995 | { \ | |
996 | handle_default_annotation (index, jcf, name_data, attribute_length, attr_type); \ | |
997 | } | |
998 | ||
999 | #define HANDLE_ENCLOSINGMETHOD_ATTRIBUTE() \ | |
1000 | { \ | |
1001 | handle_enclosingmethod_attribute (index, jcf, name_data, \ | |
1002 | attribute_length, attr_type); \ | |
1003 | } | |
1004 | ||
1005 | #define HANDLE_SIGNATURE_ATTRIBUTE() \ | |
1006 | { \ | |
1007 | handle_signature_attribute (index, jcf, name_data, \ | |
1008 | attribute_length, attr_type); \ | |
1009 | } | |
1010 | ||
e04a16fb AG |
1011 | #include "jcf-reader.c" |
1012 | ||
e04a16fb | 1013 | tree |
0a2f0c54 | 1014 | parse_signature (JCF *jcf, int sig_index) |
e04a16fb | 1015 | { |
ab184b2a BE |
1016 | gcc_assert (sig_index > 0 |
1017 | && sig_index < JPOOL_SIZE (jcf) | |
1018 | && JPOOL_TAG (jcf, sig_index) == CONSTANT_Utf8); | |
1019 | ||
1020 | return parse_signature_string (JPOOL_UTF_DATA (jcf, sig_index), | |
1021 | JPOOL_UTF_LENGTH (jcf, sig_index)); | |
e04a16fb AG |
1022 | } |
1023 | ||
e04a16fb | 1024 | tree |
0a2f0c54 | 1025 | get_constant (JCF *jcf, int index) |
e04a16fb AG |
1026 | { |
1027 | tree value; | |
1028 | int tag; | |
1029 | if (index <= 0 || index >= JPOOL_SIZE(jcf)) | |
1030 | goto bad; | |
1031 | tag = JPOOL_TAG (jcf, index); | |
1032 | if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8) | |
17211ab5 | 1033 | return jcf->cpool.data[index].t; |
e04a16fb AG |
1034 | switch (tag) |
1035 | { | |
1036 | case CONSTANT_Integer: | |
1037 | { | |
1038 | jint num = JPOOL_INT(jcf, index); | |
7d60be94 | 1039 | value = build_int_cst (int_type_node, num); |
e04a16fb AG |
1040 | break; |
1041 | } | |
1042 | case CONSTANT_Long: | |
1043 | { | |
1961ffb8 | 1044 | unsigned HOST_WIDE_INT num; |
1961ffb8 AS |
1045 | |
1046 | num = JPOOL_UINT (jcf, index); | |
807e902e | 1047 | wide_int val = wi::lshift (wide_int::from (num, 64, SIGNED), 32); |
1961ffb8 | 1048 | num = JPOOL_UINT (jcf, index + 1); |
807e902e | 1049 | val |= num; |
1961ffb8 | 1050 | |
807e902e | 1051 | value = wide_int_to_tree (long_type_node, val); |
e04a16fb AG |
1052 | break; |
1053 | } | |
efdc7e19 | 1054 | |
e04a16fb | 1055 | case CONSTANT_Float: |
aa2046c4 RH |
1056 | { |
1057 | jint num = JPOOL_INT(jcf, index); | |
1058 | long buf = num; | |
1059 | REAL_VALUE_TYPE d; | |
1060 | ||
1061 | real_from_target_fmt (&d, &buf, &ieee_single_format); | |
1062 | value = build_real (float_type_node, d); | |
1063 | break; | |
1064 | } | |
efdc7e19 | 1065 | |
e04a16fb | 1066 | case CONSTANT_Double: |
aa2046c4 RH |
1067 | { |
1068 | long buf[2], lo, hi; | |
1069 | REAL_VALUE_TYPE d; | |
efdc7e19 | 1070 | |
aa2046c4 RH |
1071 | hi = JPOOL_UINT (jcf, index); |
1072 | lo = JPOOL_UINT (jcf, index+1); | |
efdc7e19 | 1073 | |
2e681adf | 1074 | if (targetm.float_words_big_endian ()) |
aa2046c4 RH |
1075 | buf[0] = hi, buf[1] = lo; |
1076 | else | |
1077 | buf[0] = lo, buf[1] = hi; | |
efdc7e19 | 1078 | |
ba0bb02d | 1079 | real_from_target_fmt (&d, buf, &ieee_double_format); |
aa2046c4 RH |
1080 | value = build_real (double_type_node, d); |
1081 | break; | |
1082 | } | |
efdc7e19 | 1083 | |
e04a16fb AG |
1084 | case CONSTANT_String: |
1085 | { | |
e04a16fb | 1086 | tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); |
c8e7d2e6 | 1087 | const char *utf8_ptr = IDENTIFIER_POINTER (name); |
e04a16fb | 1088 | int utf8_len = IDENTIFIER_LENGTH (name); |
520a57c8 | 1089 | const unsigned char *utf8; |
8a611251 | 1090 | int i; |
e04a16fb | 1091 | |
8a611251 | 1092 | /* Check for a malformed Utf8 string. */ |
520a57c8 ZW |
1093 | utf8 = (const unsigned char *) utf8_ptr; |
1094 | i = utf8_len; | |
520a57c8 | 1095 | while (i > 0) |
e04a16fb | 1096 | { |
520a57c8 | 1097 | int char_len = UT8_CHAR_LENGTH (*utf8); |
34d4df06 | 1098 | if (char_len < 0 || char_len > 3 || char_len > i) |
400500c4 RK |
1099 | fatal_error ("bad string constant"); |
1100 | ||
520a57c8 | 1101 | utf8 += char_len; |
e04a16fb AG |
1102 | i -= char_len; |
1103 | } | |
1104 | ||
8a611251 TT |
1105 | /* Allocate a new string value. */ |
1106 | value = build_string (utf8_len, utf8_ptr); | |
520a57c8 | 1107 | TREE_TYPE (value) = build_pointer_type (string_type_node); |
e04a16fb AG |
1108 | } |
1109 | break; | |
1110 | default: | |
1111 | goto bad; | |
1112 | } | |
400500c4 | 1113 | JPOOL_TAG (jcf, index) = tag | CONSTANT_ResolvedFlag; |
17211ab5 | 1114 | jcf->cpool.data[index].t = value; |
e04a16fb AG |
1115 | return value; |
1116 | bad: | |
cca4dd59 AH |
1117 | fatal_error ("bad value constant type %d, index %d", |
1118 | JPOOL_TAG (jcf, index), index); | |
e04a16fb AG |
1119 | } |
1120 | ||
1121 | tree | |
0a2f0c54 | 1122 | get_name_constant (JCF *jcf, int index) |
e04a16fb AG |
1123 | { |
1124 | tree name = get_constant (jcf, index); | |
ab184b2a | 1125 | gcc_assert (TREE_CODE (name) == IDENTIFIER_NODE); |
e04a16fb AG |
1126 | return name; |
1127 | } | |
1128 | ||
ee142fe7 | 1129 | /* Handle reading innerclass attributes. If a nonzero entry (denoting |
493d561d APB |
1130 | a non anonymous entry) is found, We augment the inner class list of |
1131 | the outer context with the newly resolved innerclass. */ | |
1132 | ||
1133 | static void | |
97b8365c | 1134 | handle_innerclass_attribute (int count, JCF *jcf, int attribute_length) |
493d561d | 1135 | { |
97b8365c TT |
1136 | int c = count; |
1137 | ||
1138 | annotation_write_byte (JV_CLASS_ATTR); | |
1139 | annotation_write_int (attribute_length+1); | |
1140 | annotation_write_byte (JV_INNER_CLASSES_KIND); | |
1141 | annotation_write_short (count); | |
1142 | ||
493d561d APB |
1143 | while (c--) |
1144 | { | |
1145 | /* Read inner_class_info_index. This may be 0 */ | |
1146 | int icii = JCF_readu2 (jcf); | |
1147 | /* Read outer_class_info_index. If the innerclasses attribute | |
1148 | entry isn't a member (like an inner class) the value is 0. */ | |
1149 | int ocii = JCF_readu2 (jcf); | |
1150 | /* Read inner_name_index. If the class we're dealing with is | |
634661fe | 1151 | an anonymous class, it must be 0. */ |
493d561d | 1152 | int ini = JCF_readu2 (jcf); |
4a70e37e APB |
1153 | /* Read the access flag. */ |
1154 | int acc = JCF_readu2 (jcf); | |
97b8365c TT |
1155 | |
1156 | annotation_write_short (handle_constant (jcf, icii, CONSTANT_Class)); | |
1157 | annotation_write_short (handle_constant (jcf, ocii, CONSTANT_Class)); | |
1158 | annotation_write_short (handle_constant (jcf, ini, CONSTANT_Utf8)); | |
1159 | annotation_write_short (acc); | |
1160 | ||
493d561d APB |
1161 | /* If icii is 0, don't try to read the class. */ |
1162 | if (icii >= 0) | |
1163 | { | |
f02a84d9 TT |
1164 | tree klass = get_class_constant (jcf, icii); |
1165 | tree decl = TYPE_NAME (klass); | |
493d561d APB |
1166 | /* Skip reading further if ocii is null */ |
1167 | if (DECL_P (decl) && !CLASS_COMPLETE_P (decl) && ocii) | |
1168 | { | |
1169 | tree outer = TYPE_NAME (get_class_constant (jcf, ocii)); | |
1170 | tree alias = (ini ? get_name_constant (jcf, ini) : NULL_TREE); | |
4a70e37e | 1171 | set_class_decl_access_flags (acc, decl); |
493d561d APB |
1172 | DECL_CONTEXT (decl) = outer; |
1173 | DECL_INNER_CLASS_LIST (outer) = | |
1174 | tree_cons (decl, alias, DECL_INNER_CLASS_LIST (outer)); | |
1175 | CLASS_COMPLETE_P (decl) = 1; | |
1176 | } | |
1177 | } | |
493d561d APB |
1178 | } |
1179 | } | |
1180 | ||
e04a16fb | 1181 | static tree |
0a2f0c54 | 1182 | give_name_to_class (JCF *jcf, int i) |
e04a16fb | 1183 | { |
ab184b2a BE |
1184 | gcc_assert (i > 0 |
1185 | && i < JPOOL_SIZE (jcf) | |
1186 | && JPOOL_TAG (jcf, i) == CONSTANT_Class); | |
1187 | ||
e04a16fb | 1188 | { |
c629e611 | 1189 | tree package_name = NULL_TREE, tmp; |
e04a16fb AG |
1190 | tree this_class; |
1191 | int j = JPOOL_USHORT1 (jcf, i); | |
1192 | /* verify_constant_pool confirmed that j is a CONSTANT_Utf8. */ | |
0e7d217a | 1193 | tree class_name = unmangle_classname ((const char *) JPOOL_UTF_DATA (jcf, j), |
e04a16fb AG |
1194 | JPOOL_UTF_LENGTH (jcf, j)); |
1195 | this_class = lookup_class (class_name); | |
cb3a1430 PB |
1196 | { |
1197 | tree source_name = identifier_subst (class_name, "", '.', '/', ".java"); | |
163792bc | 1198 | const char *sfname = find_sourcefile (IDENTIFIER_POINTER (source_name)); |
5ffeb913 TT |
1199 | linemap_add (line_table, LC_ENTER, false, sfname, 0); |
1200 | input_location = linemap_line_start (line_table, 0, 1); | |
cb3a1430 PB |
1201 | file_start_location = input_location; |
1202 | DECL_SOURCE_LOCATION (TYPE_NAME (this_class)) = input_location; | |
1203 | if (main_input_filename == NULL && jcf == main_jcf) | |
1204 | main_input_filename = sfname; | |
1205 | } | |
e04a16fb | 1206 | |
17211ab5 | 1207 | jcf->cpool.data[i].t = this_class; |
e04a16fb | 1208 | JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
c629e611 BM |
1209 | split_qualified_name (&package_name, &tmp, |
1210 | DECL_NAME (TYPE_NAME (this_class))); | |
1211 | TYPE_PACKAGE (this_class) = package_name; | |
e04a16fb AG |
1212 | return this_class; |
1213 | } | |
1214 | } | |
1215 | ||
1216 | /* Get the class of the CONSTANT_Class whose constant pool index is I. */ | |
1217 | ||
1218 | tree | |
0a2f0c54 | 1219 | get_class_constant (JCF *jcf, int i) |
e04a16fb AG |
1220 | { |
1221 | tree type; | |
ab184b2a BE |
1222 | gcc_assert (i > 0 |
1223 | && i < JPOOL_SIZE (jcf) | |
1224 | && (JPOOL_TAG (jcf, i) & ~CONSTANT_ResolvedFlag) == CONSTANT_Class); | |
e04a16fb AG |
1225 | |
1226 | if (JPOOL_TAG (jcf, i) != CONSTANT_ResolvedClass) | |
1227 | { | |
1228 | int name_index = JPOOL_USHORT1 (jcf, i); | |
1229 | /* verify_constant_pool confirmed that name_index is a CONSTANT_Utf8. */ | |
0e7d217a | 1230 | const char *name = (const char *) JPOOL_UTF_DATA (jcf, name_index); |
e04a16fb | 1231 | int nlength = JPOOL_UTF_LENGTH (jcf, name_index); |
400500c4 | 1232 | |
e04a16fb | 1233 | if (name[0] == '[') /* Handle array "classes". */ |
0e7d217a | 1234 | type = TREE_TYPE (parse_signature_string ((const unsigned char *) name, nlength)); |
e04a16fb AG |
1235 | else |
1236 | { | |
1237 | tree cname = unmangle_classname (name, nlength); | |
1238 | type = lookup_class (cname); | |
1239 | } | |
17211ab5 | 1240 | jcf->cpool.data[i].t = type; |
e04a16fb AG |
1241 | JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
1242 | } | |
1243 | else | |
17211ab5 | 1244 | type = jcf->cpool.data[i].t; |
e04a16fb AG |
1245 | return type; |
1246 | } | |
1247 | ||
bc3ca41b PB |
1248 | /* Read a class with the fully qualified-name NAME. |
1249 | Return 1 iff we read the requested file. | |
1250 | (It is still possible we failed if the file did not | |
1251 | define the class it is supposed to.) */ | |
1252 | ||
1253 | int | |
0a2f0c54 | 1254 | read_class (tree name) |
e04a16fb AG |
1255 | { |
1256 | JCF this_jcf, *jcf; | |
f02a84d9 | 1257 | tree icv, klass = NULL_TREE; |
e04a16fb | 1258 | tree save_current_class = current_class; |
e081a9c4 | 1259 | tree save_output_class = output_class; |
436fac17 | 1260 | location_t save_location = input_location; |
e04a16fb | 1261 | JCF *save_current_jcf = current_jcf; |
e04a16fb | 1262 | |
a4796c80 | 1263 | if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE) |
1ba305b5 | 1264 | { |
f02a84d9 TT |
1265 | klass = TREE_TYPE (icv); |
1266 | jcf = TYPE_JCF (klass); | |
a4796c80 PB |
1267 | } |
1268 | else | |
1269 | jcf = NULL; | |
1270 | ||
1271 | if (jcf == NULL) | |
1272 | { | |
b927d3a4 | 1273 | const char* path_name; |
a4796c80 PB |
1274 | this_jcf.zipd = NULL; |
1275 | jcf = &this_jcf; | |
b927d3a4 MW |
1276 | |
1277 | path_name = find_class (IDENTIFIER_POINTER (name), | |
1278 | IDENTIFIER_LENGTH (name), | |
6ef795d2 | 1279 | &this_jcf); |
b927d3a4 | 1280 | if (path_name == 0) |
1f8f4a0b | 1281 | return 0; |
b927d3a4 | 1282 | else |
b1d5455a | 1283 | free(CONST_CAST (char *, path_name)); |
1ba305b5 | 1284 | } |
a4796c80 PB |
1285 | |
1286 | current_jcf = jcf; | |
e04a16fb | 1287 | |
f02a84d9 | 1288 | if (klass == NULL_TREE || ! CLASS_PARSED_P (klass)) |
3c0ce750 | 1289 | { |
f02a84d9 | 1290 | output_class = current_class = klass; |
6ef795d2 TT |
1291 | if (JCF_SEEN_IN_ZIP (current_jcf)) |
1292 | read_zip_member(current_jcf, | |
1293 | current_jcf->zipd, current_jcf->zipd->zipf); | |
1294 | jcf_parse (current_jcf); | |
1295 | /* Parsing might change the class, in which case we have to | |
1296 | put it back where we found it. */ | |
f02a84d9 | 1297 | if (current_class != klass && icv != NULL_TREE) |
6ef795d2 | 1298 | TREE_TYPE (icv) = current_class; |
f02a84d9 | 1299 | klass = current_class; |
3c0ce750 | 1300 | } |
f02a84d9 TT |
1301 | layout_class (klass); |
1302 | load_inner_classes (klass); | |
e04a16fb | 1303 | |
e081a9c4 AH |
1304 | output_class = save_output_class; |
1305 | current_class = save_current_class; | |
436fac17 | 1306 | input_location = save_location; |
e04a16fb | 1307 | current_jcf = save_current_jcf; |
bc3ca41b PB |
1308 | return 1; |
1309 | } | |
1310 | ||
1311 | /* Load CLASS_OR_NAME. CLASS_OR_NAME can be a mere identifier if | |
1312 | called from the parser, otherwise it's a RECORD_TYPE node. If | |
1313 | VERBOSE is 1, print error message on failure to load a class. */ | |
bc3ca41b | 1314 | void |
0a2f0c54 | 1315 | load_class (tree class_or_name, int verbose) |
bc3ca41b | 1316 | { |
17126208 | 1317 | tree name, saved; |
36739040 TT |
1318 | int class_loaded = 0; |
1319 | tree class_decl = NULL_TREE; | |
1320 | bool is_compiled_class = false; | |
1321 | ||
1322 | /* We've already failed, don't try again. */ | |
1323 | if (TREE_CODE (class_or_name) == RECORD_TYPE | |
1324 | && TYPE_DUMMY (class_or_name)) | |
1325 | return; | |
bc3ca41b PB |
1326 | |
1327 | /* class_or_name can be the name of the class we want to load */ | |
1328 | if (TREE_CODE (class_or_name) == IDENTIFIER_NODE) | |
1329 | name = class_or_name; | |
1330 | /* In some cases, it's a dependency that we process earlier that | |
1331 | we though */ | |
1332 | else if (TREE_CODE (class_or_name) == TREE_LIST) | |
1333 | name = TYPE_NAME (TREE_PURPOSE (class_or_name)); | |
1334 | /* Or it's a type in the making */ | |
1335 | else | |
1679340f AH |
1336 | name = DECL_NAME (TYPE_NAME (class_or_name)); |
1337 | ||
36739040 TT |
1338 | class_decl = IDENTIFIER_CLASS_VALUE (name); |
1339 | if (class_decl != NULL_TREE) | |
1340 | { | |
1341 | tree type = TREE_TYPE (class_decl); | |
1342 | is_compiled_class | |
1343 | = ((TYPE_JCF (type) && JCF_SEEN_IN_ZIP (TYPE_JCF (type))) | |
1344 | || CLASS_FROM_CURRENTLY_COMPILED_P (type)); | |
1345 | } | |
1346 | ||
17126208 | 1347 | saved = name; |
36739040 TT |
1348 | |
1349 | /* If flag_verify_invocations is unset, we don't try to load a class | |
1350 | unless we're looking for Object (which is fixed by the ABI) or | |
1351 | it's a class that we're going to compile. */ | |
1352 | if (flag_verify_invocations | |
1353 | || class_or_name == object_type_node | |
1354 | || is_compiled_class | |
1355 | || TREE_CODE (class_or_name) == IDENTIFIER_NODE) | |
17126208 | 1356 | { |
36739040 TT |
1357 | while (1) |
1358 | { | |
74f24290 | 1359 | const char *separator; |
17126208 | 1360 | |
36739040 TT |
1361 | /* We've already loaded it. */ |
1362 | if (IDENTIFIER_CLASS_VALUE (name) != NULL_TREE) | |
1363 | { | |
1364 | tree tmp_decl = IDENTIFIER_CLASS_VALUE (name); | |
1365 | if (CLASS_PARSED_P (TREE_TYPE (tmp_decl))) | |
1366 | break; | |
1367 | } | |
1368 | ||
1369 | if (read_class (name)) | |
1370 | break; | |
17126208 | 1371 | |
36739040 | 1372 | /* We failed loading name. Now consider that we might be looking |
cd64dc98 | 1373 | for an inner class. */ |
36739040 TT |
1374 | if ((separator = strrchr (IDENTIFIER_POINTER (name), '$')) |
1375 | || (separator = strrchr (IDENTIFIER_POINTER (name), '.'))) | |
74f24290 JR |
1376 | name = get_identifier_with_length (IDENTIFIER_POINTER (name), |
1377 | (separator | |
1378 | - IDENTIFIER_POINTER (name))); | |
36739040 TT |
1379 | /* Otherwise, we failed, we bail. */ |
1380 | else | |
cb3a1430 | 1381 | break; |
17126208 | 1382 | } |
17126208 | 1383 | |
36739040 TT |
1384 | { |
1385 | /* have we found the class we're looking for? */ | |
1386 | tree type_decl = IDENTIFIER_CLASS_VALUE (saved); | |
1387 | tree type = type_decl ? TREE_TYPE (type_decl) : NULL; | |
1388 | class_loaded = type && CLASS_PARSED_P (type); | |
1389 | } | |
1390 | } | |
1391 | ||
1392 | if (!class_loaded) | |
1393 | { | |
6e63e240 | 1394 | if (flag_verify_invocations || ! flag_indirect_dispatch) |
36739040 TT |
1395 | { |
1396 | if (verbose) | |
1397 | error ("cannot find file for class %s", IDENTIFIER_POINTER (saved)); | |
1398 | } | |
1399 | else if (verbose) | |
1400 | { | |
1401 | /* This is just a diagnostic during testing, not a real problem. */ | |
1402 | if (!quiet_flag) | |
d4ee4d25 DD |
1403 | warning (0, "cannot find file for class %s", |
1404 | IDENTIFIER_POINTER (saved)); | |
36739040 TT |
1405 | |
1406 | /* Fake it. */ | |
1407 | if (TREE_CODE (class_or_name) == RECORD_TYPE) | |
1408 | { | |
1409 | set_super_info (0, class_or_name, object_type_node, 0); | |
1410 | TYPE_DUMMY (class_or_name) = 1; | |
1411 | /* We won't be able to output any debug info for this class. */ | |
1412 | DECL_IGNORED_P (TYPE_NAME (class_or_name)) = 1; | |
1413 | } | |
1414 | } | |
1415 | } | |
e04a16fb AG |
1416 | } |
1417 | ||
e04a16fb AG |
1418 | /* Parse the .class file JCF. */ |
1419 | ||
8ce33230 | 1420 | static void |
0a2f0c54 | 1421 | jcf_parse (JCF* jcf) |
e04a16fb AG |
1422 | { |
1423 | int i, code; | |
2a97d6b2 AH |
1424 | |
1425 | bitmap_clear (field_offsets); | |
e04a16fb AG |
1426 | |
1427 | if (jcf_parse_preamble (jcf) != 0) | |
400500c4 | 1428 | fatal_error ("not a valid Java .class file"); |
e04a16fb AG |
1429 | code = jcf_parse_constant_pool (jcf); |
1430 | if (code != 0) | |
400500c4 | 1431 | fatal_error ("error while parsing constant pool"); |
e04a16fb AG |
1432 | code = verify_constant_pool (jcf); |
1433 | if (code > 0) | |
400500c4 | 1434 | fatal_error ("error in constant pool entry #%d\n", code); |
e04a16fb AG |
1435 | |
1436 | jcf_parse_class (jcf); | |
1437 | if (main_class == NULL_TREE) | |
1438 | main_class = current_class; | |
1439 | if (! quiet_flag && TYPE_NAME (current_class)) | |
48aedbca AG |
1440 | fprintf (stderr, " %s %s", |
1441 | (jcf->access_flags & ACC_INTERFACE) ? "interface" : "class", | |
e04a16fb | 1442 | IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class)))); |
3c0ce750 PB |
1443 | if (CLASS_PARSED_P (current_class)) |
1444 | { | |
1445 | /* FIXME - where was first time */ | |
e194201c | 1446 | fatal_error ("reading class %s for the second time from %s", |
3c0ce750 PB |
1447 | IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))), |
1448 | jcf->filename); | |
1449 | } | |
1450 | CLASS_PARSED_P (current_class) = 1; | |
e04a16fb AG |
1451 | |
1452 | for (i = 1; i < JPOOL_SIZE(jcf); i++) | |
1453 | { | |
1454 | switch (JPOOL_TAG (jcf, i)) | |
1455 | { | |
1456 | case CONSTANT_Class: | |
1457 | get_class_constant (jcf, i); | |
1458 | break; | |
1459 | } | |
1460 | } | |
1461 | ||
1462 | code = jcf_parse_fields (jcf); | |
1463 | if (code != 0) | |
400500c4 | 1464 | fatal_error ("error while parsing fields"); |
e04a16fb AG |
1465 | code = jcf_parse_methods (jcf); |
1466 | if (code != 0) | |
400500c4 | 1467 | fatal_error ("error while parsing methods"); |
e04a16fb AG |
1468 | code = jcf_parse_final_attributes (jcf); |
1469 | if (code != 0) | |
400500c4 | 1470 | fatal_error ("error while parsing final attributes"); |
97b8365c TT |
1471 | |
1472 | if (TYPE_REFLECTION_DATA (current_class)) | |
1473 | annotation_write_byte (JV_DONE_ATTR); | |
1474 | ||
5ffeb913 | 1475 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
e04a16fb AG |
1476 | |
1477 | /* The fields of class_type_node are already in correct order. */ | |
1478 | if (current_class != class_type_node && current_class != object_type_node) | |
1479 | TYPE_FIELDS (current_class) = nreverse (TYPE_FIELDS (current_class)); | |
1480 | ||
23a79c61 | 1481 | if (current_class == object_type_node) |
6ef795d2 | 1482 | layout_class_methods (object_type_node); |
23a79c61 | 1483 | else |
9771b263 | 1484 | vec_safe_push (all_class_list, TYPE_NAME (current_class)); |
54646811 | 1485 | } |
c2952b01 | 1486 | |
54646811 PB |
1487 | /* If we came across inner classes, load them now. */ |
1488 | static void | |
0a2f0c54 | 1489 | load_inner_classes (tree cur_class) |
54646811 PB |
1490 | { |
1491 | tree current; | |
1492 | for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (cur_class)); current; | |
c2952b01 | 1493 | current = TREE_CHAIN (current)) |
493d561d APB |
1494 | { |
1495 | tree name = DECL_NAME (TREE_PURPOSE (current)); | |
1496 | tree decl = IDENTIFIER_GLOBAL_VALUE (name); | |
80fc2e84 PB |
1497 | if (decl && ! CLASS_LOADED_P (TREE_TYPE (decl)) |
1498 | && !CLASS_BEING_LAIDOUT (TREE_TYPE (decl))) | |
493d561d APB |
1499 | load_class (name, 1); |
1500 | } | |
e04a16fb AG |
1501 | } |
1502 | ||
3af57c70 BM |
1503 | static void |
1504 | duplicate_class_warning (const char *filename) | |
1505 | { | |
1506 | location_t warn_loc; | |
5ffeb913 TT |
1507 | linemap_add (line_table, LC_RENAME, 0, filename, 0); |
1508 | warn_loc = linemap_line_start (line_table, 0, 1); | |
fab922b1 | 1509 | warning_at (warn_loc, 0, "duplicate class will only be compiled once"); |
3af57c70 BM |
1510 | } |
1511 | ||
97b8365c TT |
1512 | static void |
1513 | java_layout_seen_class_methods (void) | |
1514 | { | |
cf484e91 | 1515 | unsigned start = 0; |
9771b263 | 1516 | unsigned end = vec_safe_length (all_class_list); |
97b8365c TT |
1517 | |
1518 | while (1) | |
1519 | { | |
cf484e91 NF |
1520 | unsigned ix; |
1521 | unsigned new_length; | |
1522 | ||
1523 | for (ix = start; ix != end; ix++) | |
97b8365c | 1524 | { |
9771b263 | 1525 | tree decl = (*all_class_list)[ix]; |
97b8365c TT |
1526 | tree cls = TREE_TYPE (decl); |
1527 | ||
1528 | input_location = DECL_SOURCE_LOCATION (decl); | |
1529 | ||
1530 | if (! CLASS_LOADED_P (cls)) | |
1531 | load_class (cls, 0); | |
1532 | ||
1533 | layout_class_methods (cls); | |
1534 | } | |
1535 | ||
1536 | /* Note that new classes might have been added while laying out | |
1537 | methods, changing the value of all_class_list. */ | |
9771b263 | 1538 | new_length = vec_safe_length (all_class_list); |
cf484e91 | 1539 | if (end != new_length) |
97b8365c | 1540 | { |
cf484e91 NF |
1541 | start = end; |
1542 | end = new_length; | |
97b8365c TT |
1543 | } |
1544 | else | |
1545 | break; | |
1546 | } | |
1547 | } | |
1548 | ||
4bcde32e | 1549 | static void |
0a2f0c54 | 1550 | parse_class_file (void) |
e04a16fb | 1551 | { |
3bec3c0c | 1552 | tree method; |
436fac17 | 1553 | location_t save_location = input_location; |
e04a16fb | 1554 | |
1886c9d8 | 1555 | java_layout_seen_class_methods (); |
23a79c61 | 1556 | |
cb3a1430 | 1557 | input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
ae582cbf TT |
1558 | { |
1559 | /* Re-enter the current file. */ | |
1560 | expanded_location loc = expand_location (input_location); | |
1561 | linemap_add (line_table, LC_ENTER, 0, loc.file, loc.line); | |
1562 | } | |
36739040 | 1563 | file_start_location = input_location; |
8400e75e DM |
1564 | (*debug_hooks->start_source_file) (LOCATION_LINE (input_location), |
1565 | LOCATION_FILE (input_location)); | |
e04a16fb | 1566 | |
0741e2af AH |
1567 | java_mark_class_local (current_class); |
1568 | ||
85194ee9 AH |
1569 | gen_indirect_dispatch_tables (current_class); |
1570 | ||
c02ebb18 | 1571 | for (method = TYPE_METHODS (current_class); |
910ad8de | 1572 | method != NULL_TREE; method = DECL_CHAIN (method)) |
e04a16fb AG |
1573 | { |
1574 | JCF *jcf = current_jcf; | |
1575 | ||
36739040 | 1576 | if (METHOD_ABSTRACT (method) || METHOD_DUMMY (method)) |
e04a16fb AG |
1577 | continue; |
1578 | ||
7145d9fe TT |
1579 | if (METHOD_NATIVE (method)) |
1580 | { | |
4a70e37e APB |
1581 | tree arg; |
1582 | int decl_max_locals; | |
1583 | ||
7145d9fe TT |
1584 | if (! flag_jni) |
1585 | continue; | |
4a70e37e APB |
1586 | /* We need to compute the DECL_MAX_LOCALS. We need to take |
1587 | the wide types into account too. */ | |
1588 | for (arg = TYPE_ARG_TYPES (TREE_TYPE (method)), decl_max_locals = 0; | |
1589 | arg != end_params_node; | |
1590 | arg = TREE_CHAIN (arg), decl_max_locals += 1) | |
1591 | { | |
1592 | if (TREE_VALUE (arg) && TYPE_IS_WIDE (TREE_VALUE (arg))) | |
1593 | decl_max_locals += 1; | |
1594 | } | |
1595 | DECL_MAX_LOCALS (method) = decl_max_locals; | |
7145d9fe TT |
1596 | start_java_method (method); |
1597 | give_name_to_locals (jcf); | |
6de9cd9a | 1598 | *get_stmts () = build_jni_stub (method); |
7145d9fe TT |
1599 | end_java_method (); |
1600 | continue; | |
1601 | } | |
1602 | ||
e04a16fb AG |
1603 | if (DECL_CODE_OFFSET (method) == 0) |
1604 | { | |
bc8a5e56 | 1605 | current_function_decl = method; |
e04a16fb AG |
1606 | error ("missing Code attribute"); |
1607 | continue; | |
1608 | } | |
1609 | ||
b9e6e588 | 1610 | input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
e04a16fb AG |
1611 | if (DECL_LINENUMBERS_OFFSET (method)) |
1612 | { | |
3a976c72 | 1613 | int i; |
9ec819d4 | 1614 | int min_line = 0; |
3a976c72 | 1615 | unsigned char *ptr; |
e04a16fb AG |
1616 | JCF_SEEK (jcf, DECL_LINENUMBERS_OFFSET (method)); |
1617 | linenumber_count = i = JCF_readu2 (jcf); | |
1618 | linenumber_table = ptr = jcf->read_ptr; | |
1619 | ||
1620 | for (ptr += 2; --i >= 0; ptr += 4) | |
1621 | { | |
1622 | int line = GET_u2 (ptr); | |
8400e75e DM |
1623 | /* Set initial line of input_location to smallest |
1624 | * linenumber. | |
e04a16fb | 1625 | * Needs to be set before init_function_start. */ |
9ec819d4 PB |
1626 | if (min_line == 0 || line < min_line) |
1627 | min_line = line; | |
1628 | } | |
9ec819d4 | 1629 | if (min_line != 0) |
5ffeb913 | 1630 | input_location = linemap_line_start (line_table, min_line, 1); |
e04a16fb AG |
1631 | } |
1632 | else | |
1633 | { | |
1634 | linenumber_table = NULL; | |
1635 | linenumber_count = 0; | |
1636 | } | |
1637 | ||
1638 | start_java_method (method); | |
1639 | ||
7e1cb6b6 APB |
1640 | note_instructions (jcf, method); |
1641 | ||
e04a16fb AG |
1642 | give_name_to_locals (jcf); |
1643 | ||
885beb81 PB |
1644 | /* Bump up start_label_pc_this_method so we get a unique label number |
1645 | and reset highest_label_pc_this_method. */ | |
1646 | if (highest_label_pc_this_method >= 0) | |
1647 | { | |
1648 | /* We adjust to the next multiple of 1000. This is just a frill | |
1649 | so the last 3 digits of the label number match the bytecode | |
1650 | offset, which might make debugging marginally more convenient. */ | |
1651 | start_label_pc_this_method | |
1652 | = ((((start_label_pc_this_method + highest_label_pc_this_method) | |
1653 | / 1000) | |
1654 | + 1) | |
1655 | * 1000); | |
1656 | highest_label_pc_this_method = -1; | |
1657 | } | |
1658 | ||
6de9cd9a | 1659 | /* Convert bytecode to trees. */ |
e04a16fb AG |
1660 | expand_byte_code (jcf, method); |
1661 | ||
1662 | end_java_method (); | |
1663 | } | |
1664 | ||
d593dd8c | 1665 | finish_class (); |
e04a16fb | 1666 | |
9ec819d4 | 1667 | (*debug_hooks->end_source_file) (LOCATION_LINE (save_location)); |
436fac17 | 1668 | input_location = save_location; |
e04a16fb AG |
1669 | } |
1670 | ||
9771b263 | 1671 | static vec<tree, va_gc> *predefined_filenames; |
cf484e91 | 1672 | |
fec763fc | 1673 | void |
0a2f0c54 | 1674 | add_predefined_file (tree name) |
fec763fc | 1675 | { |
9771b263 | 1676 | vec_safe_push (predefined_filenames, name); |
fec763fc TT |
1677 | } |
1678 | ||
1679 | int | |
0a2f0c54 | 1680 | predefined_filename_p (tree node) |
5423609c | 1681 | { |
cf484e91 NF |
1682 | unsigned ix; |
1683 | tree f; | |
1684 | ||
9771b263 | 1685 | FOR_EACH_VEC_SAFE_ELT (predefined_filenames, ix, f) |
cf484e91 NF |
1686 | if (f == node) |
1687 | return 1; | |
fec763fc | 1688 | |
5423609c APB |
1689 | return 0; |
1690 | } | |
1691 | ||
c9b9aa64 RH |
1692 | /* Generate a function that does all static initialization for this |
1693 | translation unit. */ | |
1694 | ||
1695 | static void | |
1696 | java_emit_static_constructor (void) | |
1697 | { | |
1698 | tree body = NULL; | |
1699 | ||
1700 | emit_register_classes (&body); | |
1701 | write_resource_constructor (&body); | |
1702 | ||
1703 | if (body) | |
08906bf8 AH |
1704 | { |
1705 | tree name = get_identifier ("_Jv_global_static_constructor"); | |
1706 | ||
1707 | tree decl | |
c2255bc4 | 1708 | = build_decl (input_location, FUNCTION_DECL, name, |
9dc1704f | 1709 | build_function_type_list (void_type_node, NULL_TREE)); |
08906bf8 | 1710 | |
c2255bc4 AH |
1711 | tree resdecl = build_decl (input_location, |
1712 | RESULT_DECL, NULL_TREE, void_type_node); | |
08906bf8 AH |
1713 | DECL_ARTIFICIAL (resdecl) = 1; |
1714 | DECL_RESULT (decl) = resdecl; | |
1715 | current_function_decl = decl; | |
1716 | allocate_struct_function (decl, false); | |
1717 | ||
1718 | TREE_STATIC (decl) = 1; | |
1719 | TREE_USED (decl) = 1; | |
1720 | DECL_ARTIFICIAL (decl) = 1; | |
1721 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1; | |
1722 | DECL_SAVED_TREE (decl) = body; | |
1723 | DECL_UNINLINABLE (decl) = 1; | |
1724 | ||
1725 | DECL_INITIAL (decl) = make_node (BLOCK); | |
1726 | TREE_USED (DECL_INITIAL (decl)) = 1; | |
1727 | ||
1728 | DECL_STATIC_CONSTRUCTOR (decl) = 1; | |
1729 | java_genericize (decl); | |
1730 | cgraph_finalize_function (decl, false); | |
1731 | } | |
c9b9aa64 RH |
1732 | } |
1733 | ||
30e257e5 | 1734 | |
52dabb6c | 1735 | void |
b37421c6 | 1736 | java_parse_file (void) |
e04a16fb | 1737 | { |
fea2d5da | 1738 | int filename_count = 0; |
cb3a1430 | 1739 | location_t save_location = input_location; |
b927d3a4 | 1740 | char *file_list = NULL, *list, *next; |
1510057a | 1741 | tree node; |
54646811 | 1742 | FILE *finput = NULL; |
f699e454 | 1743 | int in_quotes = 0; |
cf484e91 | 1744 | unsigned ix; |
f699e454 | 1745 | |
97b8365c TT |
1746 | bitmap_obstack_initialize (&bit_obstack); |
1747 | field_offsets = BITMAP_ALLOC (&bit_obstack); | |
1748 | ||
fea2d5da PB |
1749 | if (flag_filelist_file) |
1750 | { | |
1751 | int avail = 2000; | |
cb3a1430 | 1752 | finput = fopen (main_input_filename, "r"); |
fea2d5da | 1753 | if (finput == NULL) |
8400e75e | 1754 | fatal_error ("can%'t open %s: %m", LOCATION_FILE (input_location)); |
5ed6ace5 | 1755 | list = XNEWVEC (char, avail); |
fea2d5da PB |
1756 | next = list; |
1757 | for (;;) | |
1758 | { | |
1759 | int count; | |
1760 | if (avail < 500) | |
1761 | { | |
1762 | count = next - list; | |
1763 | avail = 2 * (count + avail); | |
e1e4cdc4 | 1764 | list = XRESIZEVEC (char, list, avail); |
fea2d5da PB |
1765 | next = list + count; |
1766 | avail = avail - count; | |
1767 | } | |
dd5a833e | 1768 | /* Subtract one to guarantee space for final '\0'. */ |
fea2d5da PB |
1769 | count = fread (next, 1, avail - 1, finput); |
1770 | if (count == 0) | |
1771 | { | |
1772 | if (! feof (finput)) | |
8400e75e DM |
1773 | fatal_error ("error closing %s: %m", |
1774 | LOCATION_FILE (input_location)); | |
fea2d5da PB |
1775 | *next = '\0'; |
1776 | break; | |
1777 | } | |
1778 | avail -= count; | |
1779 | next += count; | |
1780 | } | |
1781 | fclose (finput); | |
54646811 | 1782 | finput = NULL; |
b927d3a4 | 1783 | file_list = list; |
fea2d5da PB |
1784 | } |
1785 | else | |
b1d5455a | 1786 | list = CONST_CAST (char *, main_input_filename); |
fea2d5da | 1787 | |
083474cc | 1788 | while (list) |
e04a16fb | 1789 | { |
fea2d5da | 1790 | for (next = list; ; ) |
b351b287 | 1791 | { |
54646811 | 1792 | char ch = *next; |
f699e454 EL |
1793 | if (flag_filelist_file && ! in_quotes |
1794 | && (ch == '\n' || ch == '\r' || ch == '\t' || ch == ' ' | |
1795 | || ch == '&') /* FIXME */) | |
fea2d5da PB |
1796 | { |
1797 | if (next == list) | |
1798 | { | |
1799 | next++; | |
1800 | list = next; | |
1801 | continue; | |
1802 | } | |
1803 | else | |
1804 | { | |
1805 | *next++ = '\0'; | |
1806 | break; | |
1807 | } | |
1808 | } | |
f699e454 EL |
1809 | if (flag_filelist_file && ch == '"') |
1810 | { | |
1811 | in_quotes = ! in_quotes; | |
1812 | *next++ = '\0'; | |
1813 | if (in_quotes) | |
1814 | list = next; | |
1815 | else | |
1816 | break; | |
1817 | } | |
fea2d5da PB |
1818 | if (ch == '\0') |
1819 | { | |
1820 | next = NULL; | |
1821 | break; | |
1822 | } | |
1823 | next++; | |
b351b287 APB |
1824 | } |
1825 | ||
97b8365c TT |
1826 | /* Exclude .java files. */ |
1827 | if (strlen (list) > 5 && ! strcmp (list + strlen (list) - 5, ".java")) | |
1828 | { | |
1829 | /* Nothing. */ | |
1830 | } | |
1831 | else if (list[0]) | |
b351b287 | 1832 | { |
cb3a1430 | 1833 | node = get_identifier (list); |
5423609c | 1834 | |
fea2d5da PB |
1835 | filename_count++; |
1836 | ||
cb3a1430 | 1837 | /* Exclude file that we see twice on the command line. */ |
5423609c | 1838 | |
cb3a1430 | 1839 | if (IS_A_COMMAND_LINE_FILENAME_P (node)) |
3af57c70 | 1840 | duplicate_class_warning (IDENTIFIER_POINTER (node)); |
5423609c APB |
1841 | else |
1842 | { | |
6be14c0e | 1843 | build_translation_unit_decl (node); |
5423609c | 1844 | IS_A_COMMAND_LINE_FILENAME_P (node) = 1; |
5423609c | 1845 | } |
b351b287 APB |
1846 | } |
1847 | list = next; | |
1848 | } | |
b351b287 | 1849 | |
04695783 | 1850 | free (file_list); |
b927d3a4 | 1851 | |
fea2d5da | 1852 | if (filename_count == 0) |
d4ee4d25 | 1853 | warning (0, "no input file specified"); |
fea2d5da | 1854 | |
7be5b0e5 AG |
1855 | if (resource_name) |
1856 | { | |
b9daac31 | 1857 | const char *resource_filename; |
7be5b0e5 AG |
1858 | |
1859 | /* Only one resource file may be compiled at a time. */ | |
9771b263 | 1860 | gcc_assert (all_translation_units->length () == 1); |
7be5b0e5 | 1861 | |
6be14c0e | 1862 | resource_filename |
9771b263 | 1863 | = IDENTIFIER_POINTER (DECL_NAME ((*all_translation_units)[0])); |
7be5b0e5 | 1864 | compile_resource_file (resource_name, resource_filename); |
8d39b447 | 1865 | |
c9b9aa64 | 1866 | goto finish; |
7be5b0e5 AG |
1867 | } |
1868 | ||
22eed1e6 | 1869 | current_jcf = main_jcf; |
9771b263 | 1870 | FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
b351b287 | 1871 | { |
54646811 | 1872 | unsigned char magic_string[4]; |
b927d3a4 | 1873 | char *real_path; |
496849ba | 1874 | uint32 magic = 0; |
cb3a1430 | 1875 | tree name = DECL_NAME (node); |
cfb6b4b8 | 1876 | tree real_file; |
cb3a1430 | 1877 | const char *filename = IDENTIFIER_POINTER (name); |
b351b287 | 1878 | |
22eed1e6 | 1879 | /* Skip already parsed files */ |
b927d3a4 MW |
1880 | real_path = lrealpath (filename); |
1881 | real_file = get_identifier (real_path); | |
1882 | free (real_path); | |
cfb6b4b8 | 1883 | if (HAS_BEEN_ALREADY_PARSED_P (real_file)) |
22eed1e6 | 1884 | continue; |
cb3a1430 | 1885 | |
22eed1e6 | 1886 | /* Close previous descriptor, if any */ |
54646811 | 1887 | if (finput && fclose (finput)) |
d8a07487 | 1888 | fatal_error ("can%'t close input file %s: %m", main_input_filename); |
22eed1e6 | 1889 | |
cb3a1430 | 1890 | finput = fopen (filename, "rb"); |
54646811 | 1891 | if (finput == NULL) |
d8a07487 | 1892 | fatal_error ("can%'t open %s: %m", filename); |
3e895978 | 1893 | |
22eed1e6 | 1894 | #ifdef IO_BUFFER_SIZE |
a92cb0c3 | 1895 | setvbuf (finput, xmalloc (IO_BUFFER_SIZE), |
22eed1e6 APB |
1896 | _IOFBF, IO_BUFFER_SIZE); |
1897 | #endif | |
b351b287 | 1898 | |
54646811 | 1899 | /* Figure what kind of file we're dealing with */ |
496849ba APB |
1900 | if (fread (magic_string, 1, 4, finput) == 4) |
1901 | { | |
1902 | fseek (finput, 0L, SEEK_SET); | |
1903 | magic = GET_u4 (magic_string); | |
1904 | } | |
54646811 | 1905 | if (magic == 0xcafebabe) |
b351b287 | 1906 | { |
54646811 | 1907 | CLASS_FILE_P (node) = 1; |
766090c2 | 1908 | current_jcf = ggc_cleared_alloc<JCF> (); |
54646811 PB |
1909 | current_jcf->read_state = finput; |
1910 | current_jcf->filbuf = jcf_filbuf_from_stdio; | |
b351b287 | 1911 | jcf_parse (current_jcf); |
cb3a1430 | 1912 | DECL_SOURCE_LOCATION (node) = file_start_location; |
54646811 | 1913 | TYPE_JCF (current_class) = current_jcf; |
3af57c70 BM |
1914 | if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class)) |
1915 | { | |
1916 | /* We've already compiled this class. */ | |
1917 | duplicate_class_warning (filename); | |
1918 | continue; | |
1919 | } | |
54646811 | 1920 | CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1; |
cb3a1430 | 1921 | TREE_TYPE (node) = current_class; |
54646811 PB |
1922 | } |
1923 | else if (magic == (JCF_u4)ZIPMAGIC) | |
1924 | { | |
766090c2 | 1925 | main_jcf = ggc_cleared_alloc<JCF> (); |
54646811 PB |
1926 | main_jcf->read_state = finput; |
1927 | main_jcf->filbuf = jcf_filbuf_from_stdio; | |
5ffeb913 TT |
1928 | linemap_add (line_table, LC_ENTER, false, filename, 0); |
1929 | input_location = linemap_line_start (line_table, 0, 1); | |
cb3a1430 PB |
1930 | if (open_in_zip (main_jcf, filename, NULL, 0) < 0) |
1931 | fatal_error ("bad zip/jar file %s", filename); | |
54646811 | 1932 | localToFile = SeenZipFiles; |
3e895978 | 1933 | /* Register all the classes defined there. */ |
e1e4cdc4 | 1934 | process_zip_dir ((FILE *) main_jcf->read_state); |
5ffeb913 | 1935 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
54646811 | 1936 | parse_zip_file_entries (); |
54646811 | 1937 | } |
7c4b32bc TT |
1938 | else if (magic == (JCF_u4) ZIPEMPTYMAGIC) |
1939 | { | |
1940 | /* Ignore an empty input jar. */ | |
1941 | } | |
54646811 PB |
1942 | else |
1943 | { | |
97b8365c TT |
1944 | gcc_unreachable (); |
1945 | #if 0 | |
5e942c50 APB |
1946 | java_push_parser_context (); |
1947 | java_parser_context_save_global (); | |
cfb6b4b8 | 1948 | |
9ec819d4 | 1949 | parse_source_file_1 (real_file, filename, finput); |
5e942c50 APB |
1950 | java_parser_context_restore_global (); |
1951 | java_pop_parser_context (1); | |
5ffeb913 | 1952 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
9ec819d4 | 1953 | #endif |
b351b287 | 1954 | } |
e04a16fb | 1955 | } |
c877974e | 1956 | |
9771b263 | 1957 | FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
54646811 | 1958 | { |
cb3a1430 | 1959 | input_location = DECL_SOURCE_LOCATION (node); |
54646811 PB |
1960 | if (CLASS_FILE_P (node)) |
1961 | { | |
36739040 TT |
1962 | /* FIXME: These two flags really should be independent. We |
1963 | should be able to compile fully binary compatible, but | |
1964 | with flag_verify_invocations on. */ | |
1965 | flag_verify_invocations = ! flag_indirect_dispatch; | |
cb3a1430 | 1966 | output_class = current_class = TREE_TYPE (node); |
36739040 | 1967 | |
54646811 | 1968 | current_jcf = TYPE_JCF (current_class); |
3c0ce750 | 1969 | layout_class (current_class); |
54646811 PB |
1970 | load_inner_classes (current_class); |
1971 | parse_class_file (); | |
3c0ce750 | 1972 | JCF_FINISH (current_jcf); |
54646811 PB |
1973 | } |
1974 | } | |
cb3a1430 | 1975 | input_location = save_location; |
fea2d5da | 1976 | |
97b8365c TT |
1977 | bitmap_obstack_release (&bit_obstack); |
1978 | ||
c9b9aa64 RH |
1979 | finish: |
1980 | /* Arrange for any necessary initialization to happen. */ | |
1981 | java_emit_static_constructor (); | |
30e257e5 | 1982 | gcc_assert (global_bindings_p ()); |
3e895978 TT |
1983 | } |
1984 | ||
c9b9aa64 | 1985 | |
3e895978 TT |
1986 | /* Return the name of the class corresponding to the name of the file |
1987 | in this zip entry. The result is newly allocated using ALLOC. */ | |
1988 | static char * | |
1989 | compute_class_name (struct ZipDirectory *zdir) | |
1990 | { | |
1991 | char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
1992 | char *class_name; | |
5789147f | 1993 | int i; |
36739040 | 1994 | int filename_length = zdir->filename_length; |
5789147f | 1995 | |
36739040 TT |
1996 | while (filename_length > 2 && strncmp (class_name_in_zip_dir, "./", 2) == 0) |
1997 | { | |
1998 | class_name_in_zip_dir += 2; | |
1999 | filename_length -= 2; | |
2000 | } | |
5789147f | 2001 | |
36739040 | 2002 | filename_length -= strlen (".class"); |
5ed6ace5 | 2003 | class_name = XNEWVEC (char, filename_length + 1); |
5789147f AH |
2004 | memcpy (class_name, class_name_in_zip_dir, filename_length); |
2005 | class_name [filename_length] = '\0'; | |
2006 | ||
2007 | for (i = 0; i < filename_length; i++) | |
2008 | if (class_name[i] == '/') | |
2009 | class_name[i] = '.'; | |
3e895978 | 2010 | |
3e895978 TT |
2011 | return class_name; |
2012 | } | |
2013 | ||
2014 | /* Return 0 if we should skip this entry, 1 if it is a .class file, 2 | |
2015 | if it is a property file of some sort. */ | |
2016 | static int | |
2017 | classify_zip_file (struct ZipDirectory *zdir) | |
2018 | { | |
2019 | char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
2020 | ||
2021 | if (zdir->filename_length > 6 | |
2022 | && !strncmp (&class_name_in_zip_dir[zdir->filename_length - 6], | |
2023 | ".class", 6)) | |
2024 | return 1; | |
2025 | ||
b9bc3665 | 2026 | /* For now we drop the manifest, but not other information. */ |
87a9cbf9 | 2027 | if (zdir->filename_length == 20 |
b9bc3665 | 2028 | && !strncmp (class_name_in_zip_dir, "META-INF/MANIFEST.MF", 20)) |
3e895978 TT |
2029 | return 0; |
2030 | ||
2031 | /* Drop directory entries. */ | |
2032 | if (zdir->filename_length > 0 | |
2033 | && class_name_in_zip_dir[zdir->filename_length - 1] == '/') | |
2034 | return 0; | |
2035 | ||
2036 | return 2; | |
e04a16fb AG |
2037 | } |
2038 | ||
e04a16fb | 2039 | /* Process all class entries found in the zip file. */ |
4bcde32e | 2040 | static void |
e04a16fb AG |
2041 | parse_zip_file_entries (void) |
2042 | { | |
2043 | struct ZipDirectory *zdir; | |
2044 | int i; | |
2045 | ||
a4796c80 PB |
2046 | for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
2047 | i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) | |
e04a16fb | 2048 | { |
f02a84d9 | 2049 | tree klass; |
e04a16fb | 2050 | |
3e895978 | 2051 | switch (classify_zip_file (zdir)) |
e04a16fb | 2052 | { |
3e895978 TT |
2053 | case 0: |
2054 | continue; | |
e04a16fb | 2055 | |
3e895978 TT |
2056 | case 1: |
2057 | { | |
2058 | char *class_name = compute_class_name (zdir); | |
5e96e6c0 | 2059 | int previous_alias_set = -1; |
f02a84d9 | 2060 | klass = lookup_class (get_identifier (class_name)); |
3e895978 | 2061 | FREE (class_name); |
f02a84d9 TT |
2062 | current_jcf = TYPE_JCF (klass); |
2063 | output_class = current_class = klass; | |
3e895978 | 2064 | |
ab184b2a BE |
2065 | /* This is a dummy class, and now we're compiling it for |
2066 | real. */ | |
f02a84d9 | 2067 | gcc_assert (! TYPE_DUMMY (klass)); |
36739040 | 2068 | |
5789147f | 2069 | /* This is for a corner case where we have a superclass |
5e96e6c0 | 2070 | but no superclass fields. |
5789147f AH |
2071 | |
2072 | This can happen if we earlier failed to lay out this | |
2073 | class because its superclass was still in the process | |
2074 | of being laid out; this occurs when we have recursive | |
5e96e6c0 AH |
2075 | class dependencies via inner classes. We must record |
2076 | the previous alias set and restore it after laying out | |
2077 | the class. | |
2078 | ||
2079 | FIXME: this really is a kludge. We should figure out a | |
2080 | way to lay out the class properly before this | |
2081 | happens. */ | |
f02a84d9 TT |
2082 | if (TYPE_SIZE (klass) && CLASSTYPE_SUPER (klass) |
2083 | && integer_zerop (TYPE_SIZE (klass))) | |
5e96e6c0 | 2084 | { |
f02a84d9 TT |
2085 | TYPE_SIZE (klass) = NULL_TREE; |
2086 | previous_alias_set = TYPE_ALIAS_SET (klass); | |
2087 | TYPE_ALIAS_SET (klass) = -1; | |
5e96e6c0 | 2088 | } |
5789147f | 2089 | |
f02a84d9 | 2090 | if (! CLASS_LOADED_P (klass)) |
3e895978 | 2091 | { |
f02a84d9 | 2092 | if (! CLASS_PARSED_P (klass)) |
3e895978 TT |
2093 | { |
2094 | read_zip_member (current_jcf, zdir, localToFile); | |
2095 | jcf_parse (current_jcf); | |
2096 | } | |
2097 | layout_class (current_class); | |
2098 | load_inner_classes (current_class); | |
2099 | } | |
2100 | ||
5e96e6c0 | 2101 | if (previous_alias_set != -1) |
f02a84d9 | 2102 | TYPE_ALIAS_SET (klass) = previous_alias_set; |
5e96e6c0 | 2103 | |
3e895978 TT |
2104 | if (TYPE_SIZE (current_class) != error_mark_node) |
2105 | { | |
3e895978 | 2106 | parse_class_file (); |
5ed6ace5 | 2107 | free (current_jcf->buffer); /* No longer necessary */ |
3e895978 TT |
2108 | /* Note: there is a way to free this buffer right after a |
2109 | class seen in a zip file has been parsed. The idea is the | |
2110 | set its jcf in such a way that buffer will be reallocated | |
2111 | the time the code for the class will be generated. FIXME. */ | |
2112 | } | |
2113 | } | |
2114 | break; | |
2115 | ||
2116 | case 2: | |
2117 | { | |
2118 | char *file_name, *class_name_in_zip_dir, *buffer; | |
2119 | JCF *jcf; | |
5ed6ace5 | 2120 | file_name = XNEWVEC (char, zdir->filename_length + 1); |
3e895978 TT |
2121 | class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
2122 | strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); | |
2123 | file_name[zdir->filename_length] = '\0'; | |
5ed6ace5 | 2124 | jcf = XNEW (JCF); |
3e895978 TT |
2125 | JCF_ZERO (jcf); |
2126 | jcf->read_state = finput; | |
2127 | jcf->filbuf = jcf_filbuf_from_stdio; | |
3e895978 TT |
2128 | jcf->classname = NULL; |
2129 | jcf->filename = file_name; | |
2130 | jcf->zipd = zdir; | |
2131 | ||
2132 | if (read_zip_member (jcf, zdir, localToFile) < 0) | |
2133 | fatal_error ("error while reading %s from zip file", file_name); | |
2134 | ||
5ed6ace5 | 2135 | buffer = XNEWVEC (char, zdir->filename_length + 1 + |
3e895978 TT |
2136 | (jcf->buffer_end - jcf->buffer)); |
2137 | strcpy (buffer, file_name); | |
8bef0925 TT |
2138 | /* This is not a typo: we overwrite the trailing \0 of the |
2139 | file name; this is just how the data is laid out. */ | |
2140 | memcpy (buffer + zdir->filename_length, | |
3e895978 TT |
2141 | jcf->buffer, jcf->buffer_end - jcf->buffer); |
2142 | ||
2143 | compile_resource_data (file_name, buffer, | |
2144 | jcf->buffer_end - jcf->buffer); | |
2145 | JCF_FINISH (jcf); | |
5ed6ace5 MD |
2146 | free (jcf); |
2147 | free (buffer); | |
3e895978 TT |
2148 | } |
2149 | break; | |
2150 | ||
2151 | default: | |
ab184b2a | 2152 | gcc_unreachable (); |
22eed1e6 | 2153 | } |
e04a16fb AG |
2154 | } |
2155 | } | |
2156 | ||
2157 | /* Read all the entries of the zip file, creates a class and a JCF. Sets the | |
2158 | jcf up for further processing and link it to the created class. */ | |
2159 | ||
ac51395d AG |
2160 | static void |
2161 | process_zip_dir (FILE *finput) | |
e04a16fb AG |
2162 | { |
2163 | int i; | |
2164 | ZipDirectory *zdir; | |
2165 | ||
a4796c80 PB |
2166 | for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
2167 | i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) | |
e04a16fb AG |
2168 | { |
2169 | char *class_name, *file_name, *class_name_in_zip_dir; | |
f02a84d9 | 2170 | tree klass; |
e04a16fb | 2171 | JCF *jcf; |
e04a16fb AG |
2172 | |
2173 | class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
2174 | ||
3e895978 TT |
2175 | /* Here we skip non-class files; we handle them later. */ |
2176 | if (classify_zip_file (zdir) != 1) | |
2177 | continue; | |
e04a16fb | 2178 | |
3e895978 | 2179 | class_name = compute_class_name (zdir); |
5ed6ace5 | 2180 | file_name = XNEWVEC (char, zdir->filename_length+1); |
766090c2 | 2181 | jcf = ggc_cleared_alloc<JCF> (); |
e04a16fb | 2182 | |
e04a16fb AG |
2183 | strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); |
2184 | file_name [zdir->filename_length] = '\0'; | |
2185 | ||
f02a84d9 | 2186 | klass = lookup_class (get_identifier (class_name)); |
e04a16fb | 2187 | |
f02a84d9 | 2188 | if (CLASS_FROM_CURRENTLY_COMPILED_P (klass)) |
97b8365c TT |
2189 | { |
2190 | /* We've already compiled this class. */ | |
2191 | duplicate_class_warning (file_name); | |
2192 | continue; | |
2193 | } | |
2194 | /* This function is only called when processing a zip file seen | |
2195 | on the command line. */ | |
f02a84d9 | 2196 | CLASS_FROM_CURRENTLY_COMPILED_P (klass) = 1; |
97b8365c | 2197 | |
e04a16fb AG |
2198 | jcf->read_state = finput; |
2199 | jcf->filbuf = jcf_filbuf_from_stdio; | |
e04a16fb AG |
2200 | jcf->classname = class_name; |
2201 | jcf->filename = file_name; | |
a4796c80 | 2202 | jcf->zipd = zdir; |
e04a16fb | 2203 | |
f02a84d9 | 2204 | TYPE_JCF (klass) = jcf; |
e04a16fb AG |
2205 | } |
2206 | } | |
2207 | ||
e2500fed | 2208 | #include "gt-java-jcf-parse.h" |
97b8365c | 2209 | #include "gtype-java.h" |