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377029eb | 1 | /* Parser for Java(TM) .class files. |
f1717362 | 2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
377029eb | 3 | |
7d82ed5e | 4 | This file is part of GCC. |
377029eb | 5 | |
7d82ed5e | 6 | GCC is free software; you can redistribute it and/or modify |
377029eb | 7 | it under the terms of the GNU General Public License as published by |
e4b52719 | 8 | the Free Software Foundation; either version 3, or (at your option) |
377029eb | 9 | any later version. |
10 | ||
7d82ed5e | 11 | GCC is distributed in the hope that it will be useful, |
377029eb | 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 | |
e4b52719 | 17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. | |
377029eb | 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 | ||
377029eb | 26 | #include "config.h" |
014e6e0c | 27 | #include "system.h" |
805e22b2 | 28 | #include "coretypes.h" |
4cba6f60 | 29 | #include "target.h" |
30 | #include "function.h" | |
4cba6f60 | 31 | #include "bitmap.h" |
377029eb | 32 | #include "tree.h" |
9ed99284 | 33 | #include "stringpool.h" |
4cba6f60 | 34 | #include "cgraph.h" |
35 | #include "diagnostic-core.h" | |
65bf3316 | 36 | #include "javaop.h" |
377029eb | 37 | #include "java-tree.h" |
c140b944 | 38 | #include "debug.h" |
47369d8b | 39 | #include "toplev.h" |
377029eb | 40 | |
a0d0cc41 | 41 | #ifdef HAVE_LOCALE_H |
42 | #include <locale.h> | |
43 | #endif | |
44 | ||
bea73acf | 45 | #ifdef HAVE_LANGINFO_CODESET |
f1afe160 | 46 | #include <langinfo.h> |
47 | #endif | |
48 | ||
377029eb | 49 | /* A CONSTANT_Utf8 element is converted to an IDENTIFIER_NODE at parse time. */ |
50 | #define JPOOL_UTF(JCF, INDEX) CPOOL_UTF(&(JCF)->cpool, INDEX) | |
51 | #define JPOOL_UTF_LENGTH(JCF, INDEX) IDENTIFIER_LENGTH (JPOOL_UTF (JCF, INDEX)) | |
52 | #define JPOOL_UTF_DATA(JCF, INDEX) \ | |
68ddcc2a | 53 | ((const unsigned char *) IDENTIFIER_POINTER (JPOOL_UTF (JCF, INDEX))) |
377029eb | 54 | #define HANDLE_CONSTANT_Utf8(JCF, INDEX, LENGTH) \ |
55 | do { \ | |
56 | unsigned char save; unsigned char *text; \ | |
57 | JCF_FILL (JCF, (LENGTH)+1); /* Make sure we read 1 byte beyond string. */ \ | |
58 | text = (JCF)->read_ptr; \ | |
59 | save = text[LENGTH]; \ | |
60 | text[LENGTH] = 0; \ | |
8e452f9c | 61 | (JCF)->cpool.data[INDEX].t = get_identifier ((const char *) text); \ |
377029eb | 62 | text[LENGTH] = save; \ |
63 | JCF_SKIP (JCF, LENGTH); } while (0) | |
64 | ||
65 | #include "jcf.h" | |
377029eb | 66 | |
377029eb | 67 | extern struct obstack temporary_obstack; |
377029eb | 68 | |
43d03f3a | 69 | static GTY(()) tree parse_roots[2]; |
0453a7ca | 70 | |
7523afef | 71 | /* The FIELD_DECL for the current field. */ |
0453a7ca | 72 | #define current_field parse_roots[0] |
377029eb | 73 | |
23b7f2e1 | 74 | /* The METHOD_DECL for the current method. */ |
0453a7ca | 75 | #define current_method parse_roots[1] |
377029eb | 76 | |
da37f909 | 77 | /* Line 0 in current file, if compiling from bytecode. */ |
78 | static location_t file_start_location; | |
79 | ||
cb18c572 | 80 | /* The Java archive that provides main_class; the main input file. */ |
573aba85 | 81 | static GTY(()) struct JCF * main_jcf; |
0381e6c0 | 82 | |
43d03f3a | 83 | /* A list of all the class DECLs seen so far. */ |
f1f41a6c | 84 | static GTY(()) vec<tree, va_gc> *all_class_list; |
43d03f3a | 85 | |
2f7ab72c | 86 | /* The number of source files passed to us by -fsource-filename and an |
65bf3316 | 87 | array of pointers to each name. Used by find_sourcefile(). */ |
88 | static int num_files = 0; | |
89 | static char **filenames; | |
90 | ||
cb18c572 | 91 | static struct ZipFile *localToFile; |
92 | ||
65bf3316 | 93 | /* A map of byte offsets in the reflection data that are fields which |
94 | need renumbering. */ | |
95 | bitmap field_offsets; | |
96 | bitmap_obstack bit_obstack; | |
97 | ||
23b7f2e1 | 98 | /* Declarations of some functions used here. */ |
65bf3316 | 99 | static void handle_innerclass_attribute (int count, JCF *, int len); |
6852521a | 100 | static tree give_name_to_class (JCF *jcf, int index); |
caa8fa37 | 101 | static char *compute_class_name (struct ZipDirectory *zdir); |
102 | static int classify_zip_file (struct ZipDirectory *zdir); | |
6852521a | 103 | static void parse_zip_file_entries (void); |
104 | static void process_zip_dir (FILE *); | |
6852521a | 105 | static void parse_class_file (void); |
7e3e53bc | 106 | static void handle_deprecated (void); |
6852521a | 107 | static void set_source_filename (JCF *, int); |
6852521a | 108 | static void jcf_parse (struct JCF*); |
109 | static void load_inner_classes (tree); | |
65bf3316 | 110 | static void handle_annotation (JCF *jcf, int level); |
111 | static void java_layout_seen_class_methods (void); | |
f4e60d16 | 112 | |
7e3e53bc | 113 | /* Handle "Deprecated" attribute. */ |
114 | static void | |
115 | handle_deprecated (void) | |
116 | { | |
117 | if (current_field != NULL_TREE) | |
118 | FIELD_DEPRECATED (current_field) = 1; | |
119 | else if (current_method != NULL_TREE) | |
120 | METHOD_DEPRECATED (current_method) = 1; | |
121 | else if (current_class != NULL_TREE) | |
122 | CLASS_DEPRECATED (TYPE_NAME (current_class)) = 1; | |
123 | else | |
124 | { | |
125 | /* Shouldn't happen. */ | |
bc031ffe | 126 | gcc_unreachable (); |
7e3e53bc | 127 | } |
128 | } | |
129 | ||
65bf3316 | 130 | \f |
131 | ||
132 | /* Reverse a string. */ | |
133 | static char * | |
134 | reverse (const char *s) | |
135 | { | |
136 | if (s == NULL) | |
137 | return NULL; | |
138 | else | |
139 | { | |
140 | int len = strlen (s); | |
25a1c410 | 141 | char *d = XNEWVAR (char, len + 1); |
65bf3316 | 142 | const char *sp; |
143 | char *dp; | |
144 | ||
145 | d[len] = 0; | |
146 | for (dp = &d[0], sp = &s[len-1]; sp >= s; dp++, sp--) | |
147 | *dp = *sp; | |
148 | ||
149 | return d; | |
150 | } | |
151 | } | |
152 | ||
153 | /* Compare two strings for qsort(). */ | |
154 | static int | |
155 | cmpstringp (const void *p1, const void *p2) | |
156 | { | |
157 | /* The arguments to this function are "pointers to | |
158 | pointers to char", but strcmp() arguments are "pointers | |
159 | to char", hence the following cast plus dereference */ | |
160 | ||
aae87fc3 | 161 | return strcmp(*(const char *const*) p1, *(const char *const*) p2); |
65bf3316 | 162 | } |
163 | ||
164 | /* Create an array of strings, one for each source file that we've | |
165 | seen. fsource_filename can either be the name of a single .java | |
166 | file or a file that contains a list of filenames separated by | |
167 | newlines. */ | |
168 | void | |
169 | java_read_sourcefilenames (const char *fsource_filename) | |
170 | { | |
171 | if (fsource_filename | |
172 | && filenames == 0 | |
173 | && strlen (fsource_filename) > strlen (".java") | |
82715bcd | 174 | && filename_cmp ((fsource_filename |
175 | + strlen (fsource_filename) | |
176 | - strlen (".java")), | |
65bf3316 | 177 | ".java") != 0) |
178 | { | |
179 | /* fsource_filename isn't a .java file but a list of filenames | |
180 | separated by newlines */ | |
181 | FILE *finput = fopen (fsource_filename, "r"); | |
182 | int len = 0; | |
183 | int longest_line = 0; | |
184 | ||
185 | gcc_assert (finput); | |
186 | ||
187 | /* Find out how many files there are, and how long the filenames are. */ | |
188 | while (! feof (finput)) | |
189 | { | |
190 | int ch = getc (finput); | |
191 | if (ch == '\n') | |
192 | { | |
193 | num_files++; | |
194 | if (len > longest_line) | |
195 | longest_line = len; | |
196 | len = 0; | |
197 | continue; | |
198 | } | |
199 | if (ch == EOF) | |
200 | break; | |
201 | len++; | |
202 | } | |
203 | ||
204 | rewind (finput); | |
205 | ||
206 | /* Read the filenames. Put a pointer to each filename into the | |
207 | array FILENAMES. */ | |
208 | { | |
25a1c410 | 209 | char *linebuf = (char *) alloca (longest_line + 1); |
65bf3316 | 210 | int i = 0; |
211 | int charpos; | |
212 | ||
25a1c410 | 213 | filenames = XNEWVEC (char *, num_files); |
65bf3316 | 214 | |
215 | charpos = 0; | |
216 | for (;;) | |
217 | { | |
218 | int ch = getc (finput); | |
219 | if (ch == EOF) | |
220 | break; | |
221 | if (ch == '\n') | |
222 | { | |
223 | linebuf[charpos] = 0; | |
224 | gcc_assert (i < num_files); | |
225 | /* ??? Perhaps we should use lrealpath() here. Doing | |
226 | so would tidy up things like /../ but the rest of | |
227 | gcc seems to assume relative pathnames, not | |
228 | absolute pathnames. */ | |
229 | /* realname = lrealpath (linebuf); */ | |
230 | filenames[i++] = reverse (linebuf); | |
231 | charpos = 0; | |
232 | continue; | |
233 | } | |
234 | gcc_assert (charpos < longest_line); | |
235 | linebuf[charpos++] = ch; | |
236 | } | |
237 | ||
238 | if (num_files > 1) | |
239 | qsort (filenames, num_files, sizeof (char *), cmpstringp); | |
240 | } | |
241 | fclose (finput); | |
242 | } | |
243 | else | |
244 | { | |
25a1c410 | 245 | filenames = XNEWVEC (char *, 1); |
65bf3316 | 246 | filenames[0] = reverse (fsource_filename); |
247 | num_files = 1; | |
248 | } | |
249 | } | |
250 | ||
251 | /* Given a relative pathname such as foo/bar.java, attempt to find a | |
252 | longer pathname with the same suffix. | |
253 | ||
2f7e7db3 | 254 | This is a best guess heuristic; with some weird class hierarchies we |
65bf3316 | 255 | may fail to pick the correct source file. For example, if we have |
256 | the filenames foo/bar.java and also foo/foo/bar.java, we do not | |
257 | have enough information to know which one is the right match for | |
258 | foo/bar.java. */ | |
259 | ||
260 | static const char * | |
261 | find_sourcefile (const char *name) | |
262 | { | |
263 | int i = 0, j = num_files-1; | |
264 | char *found = NULL; | |
265 | ||
266 | if (filenames) | |
267 | { | |
268 | char *revname = reverse (name); | |
269 | ||
270 | do | |
271 | { | |
272 | int k = (i+j) / 2; | |
273 | int cmp = strncmp (revname, filenames[k], strlen (revname)); | |
274 | if (cmp == 0) | |
275 | { | |
276 | /* OK, so we found one. But is it a unique match? */ | |
277 | if ((k > i | |
278 | && strncmp (revname, filenames[k-1], strlen (revname)) == 0) | |
279 | || (k < j | |
280 | && (strncmp (revname, filenames[k+1], strlen (revname)) | |
281 | == 0))) | |
282 | ; | |
283 | else | |
284 | found = filenames[k]; | |
285 | break; | |
286 | } | |
287 | if (cmp > 0) | |
288 | i = k+1; | |
289 | else | |
290 | j = k-1; | |
291 | } | |
292 | while (i <= j); | |
293 | ||
294 | free (revname); | |
295 | } | |
296 | ||
297 | if (found && strlen (found) > strlen (name)) | |
298 | return reverse (found); | |
299 | else | |
300 | return name; | |
301 | } | |
302 | ||
303 | \f | |
304 | ||
377029eb | 305 | /* Handle "SourceFile" attribute. */ |
306 | ||
68ddcc2a | 307 | static void |
2883a3ed | 308 | set_source_filename (JCF *jcf, int index) |
377029eb | 309 | { |
310 | tree sfname_id = get_name_constant (jcf, index); | |
71d9fc9b | 311 | const char *sfname = IDENTIFIER_POINTER (sfname_id); |
3df42822 | 312 | const char *old_filename = LOCATION_FILE (input_location); |
da37f909 | 313 | int new_len = IDENTIFIER_LENGTH (sfname_id); |
314 | if (old_filename != NULL) | |
377029eb | 315 | { |
da37f909 | 316 | int old_len = strlen (old_filename); |
3df42822 | 317 | /* Use the filename from current input_location (derived from the |
318 | class name) if it has a directory prefix, but otherwise matches | |
319 | sfname. */ | |
377029eb | 320 | if (old_len > new_len |
82715bcd | 321 | && filename_cmp (sfname, old_filename + old_len - new_len) == 0 |
da37f909 | 322 | && (old_filename[old_len - new_len - 1] == '/' |
323 | || old_filename[old_len - new_len - 1] == '\\')) | |
9c85a98a | 324 | return; |
377029eb | 325 | } |
da37f909 | 326 | if (strchr (sfname, '/') == NULL && strchr (sfname, '\\') == NULL) |
327 | { | |
328 | const char *class_name | |
329 | = IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))); | |
384eaf80 | 330 | const char *dot = strrchr (class_name, '.'); |
da37f909 | 331 | if (dot != NULL) |
332 | { | |
4423a35c | 333 | /* Length of prefix, not counting final dot. */ |
334 | int i = dot - class_name; | |
da37f909 | 335 | /* Concatenate current package prefix with new sfname. */ |
4c36ffe6 | 336 | char *buf = XNEWVEC (char, i + new_len + 2); /* Space for '.' and '\0'. */ |
4423a35c | 337 | strcpy (buf + i + 1, sfname); |
338 | /* Copy package from class_name, replacing '.' by DIR_SEPARATOR. | |
339 | Note we start at the end with the final package dot. */ | |
da37f909 | 340 | for (; i >= 0; i--) |
341 | { | |
4423a35c | 342 | char c = class_name[i]; |
343 | if (c == '.') | |
344 | c = DIR_SEPARATOR; | |
345 | buf[i] = c; | |
da37f909 | 346 | } |
347 | sfname_id = get_identifier (buf); | |
4423a35c | 348 | free (buf); |
da37f909 | 349 | sfname = IDENTIFIER_POINTER (sfname_id); |
350 | } | |
351 | } | |
352 | ||
65bf3316 | 353 | sfname = find_sourcefile (sfname); |
3ce1a212 | 354 | LINEMAPS_LAST_ORDINARY_MAP (line_table)->to_file = sfname; |
da37f909 | 355 | if (current_class == main_class) main_input_filename = sfname; |
377029eb | 356 | } |
357 | ||
65bf3316 | 358 | |
359 | \f | |
360 | ||
361 | /* Annotation handling. | |
362 | ||
363 | The technique we use here is to copy the annotation data directly | |
2f7ab72c | 364 | from the input class file into the output file. We don't decode the |
65bf3316 | 365 | data at all, merely rewriting constant indexes whenever we come |
2f7ab72c | 366 | across them: this is necessary because the constant pool in the |
e66d204f | 367 | output file isn't the same as the constant pool in the input. |
65bf3316 | 368 | |
369 | The main advantage of this technique is that the resulting | |
370 | annotation data is pointer-free, so it doesn't have to be relocated | |
371 | at startup time. As a consequence of this, annotations have no | |
2f7ab72c | 372 | performance impact unless they are used. Also, this representation |
65bf3316 | 373 | is very dense. */ |
374 | ||
375 | ||
376 | /* Expand TYPE_REFLECTION_DATA by DELTA bytes. Return the address of | |
377 | the start of the newly allocated region. */ | |
378 | ||
379 | static unsigned char* | |
380 | annotation_grow (int delta) | |
381 | { | |
382 | unsigned char **data = &TYPE_REFLECTION_DATA (current_class); | |
383 | long *datasize = &TYPE_REFLECTION_DATASIZE (current_class); | |
384 | long len = *datasize; | |
385 | ||
386 | if (*data == NULL) | |
387 | { | |
25a1c410 | 388 | *data = XNEWVAR (unsigned char, delta); |
65bf3316 | 389 | } |
390 | else | |
391 | { | |
392 | int newlen = *datasize + delta; | |
393 | if (floor_log2 (newlen) != floor_log2 (*datasize)) | |
25a1c410 | 394 | *data = XRESIZEVAR (unsigned char, *data, 2 << (floor_log2 (newlen))); |
65bf3316 | 395 | } |
396 | *datasize += delta; | |
397 | return *data + len; | |
398 | } | |
399 | ||
400 | /* annotation_rewrite_TYPE. Rewrite various int types at p. Use Java | |
401 | byte order (i.e. big endian.) */ | |
402 | ||
403 | static void | |
404 | annotation_rewrite_byte (unsigned int n, unsigned char *p) | |
405 | { | |
406 | p[0] = n; | |
407 | } | |
408 | ||
409 | static void | |
410 | annotation_rewrite_short (unsigned int n, unsigned char *p) | |
411 | { | |
412 | p[0] = n>>8; | |
413 | p[1] = n; | |
414 | } | |
415 | ||
416 | static void | |
417 | annotation_rewrite_int (unsigned int n, unsigned char *p) | |
418 | { | |
419 | p[0] = n>>24; | |
420 | p[1] = n>>16; | |
421 | p[2] = n>>8; | |
422 | p[3] = n; | |
423 | } | |
424 | ||
425 | /* Read a 16-bit unsigned int in Java byte order (i.e. big | |
426 | endian.) */ | |
427 | ||
428 | static uint16 | |
429 | annotation_read_short (unsigned char *p) | |
430 | { | |
431 | uint16 tmp = p[0]; | |
432 | tmp = (tmp << 8) | p[1]; | |
433 | return tmp; | |
434 | } | |
435 | ||
436 | /* annotation_write_TYPE. Rewrite various int types, appending them | |
437 | to TYPE_REFLECTION_DATA. Use Java byte order (i.e. big | |
438 | endian.) */ | |
439 | ||
440 | static void | |
441 | annotation_write_byte (unsigned int n) | |
442 | { | |
443 | annotation_rewrite_byte (n, annotation_grow (1)); | |
444 | } | |
445 | ||
446 | static void | |
447 | annotation_write_short (unsigned int n) | |
448 | { | |
449 | annotation_rewrite_short (n, annotation_grow (2)); | |
450 | } | |
451 | ||
452 | static void | |
453 | annotation_write_int (unsigned int n) | |
454 | { | |
455 | annotation_rewrite_int (n, annotation_grow (4)); | |
456 | } | |
457 | ||
458 | /* Create a 64-bit constant in the constant pool. | |
459 | ||
460 | This is used for both integer and floating-point types. As a | |
461 | consequence, it will not work if the target floating-point format | |
462 | is anything other than IEEE-754. While this is arguably a bug, the | |
463 | runtime library makes exactly the same assumption and it's unlikely | |
464 | that Java will ever run on a non-IEEE machine. */ | |
465 | ||
466 | static int | |
467 | handle_long_constant (JCF *jcf, CPool *cpool, enum cpool_tag kind, | |
468 | int index, bool big_endian) | |
469 | { | |
470 | /* If we're on a 64-bit platform we can fit a long or double | |
471 | into the same space as a jword. */ | |
472 | if (POINTER_SIZE >= 64) | |
473 | index = find_constant1 (cpool, kind, JPOOL_LONG (jcf, index)); | |
474 | ||
475 | /* In a compiled program the constant pool is in native word | |
476 | order. How weird is that??? */ | |
477 | else if (big_endian) | |
478 | index = find_constant2 (cpool, kind, | |
479 | JPOOL_INT (jcf, index), | |
480 | JPOOL_INT (jcf, index+1)); | |
481 | else | |
482 | index = find_constant2 (cpool, kind, | |
483 | JPOOL_INT (jcf, index+1), | |
484 | JPOOL_INT (jcf, index)); | |
485 | ||
486 | return index; | |
487 | } | |
488 | ||
489 | /* Given a class file and an index into its constant pool, create an | |
490 | entry in the outgoing constant pool for the same item. */ | |
491 | ||
492 | static uint16 | |
493 | handle_constant (JCF *jcf, int index, enum cpool_tag purpose) | |
494 | { | |
561017b5 | 495 | unsigned int kind; |
65bf3316 | 496 | CPool *cpool = cpool_for_class (output_class); |
497 | ||
498 | if (index == 0) | |
499 | return 0; | |
500 | ||
501 | if (! CPOOL_INDEX_IN_RANGE (&jcf->cpool, index)) | |
502 | error ("<constant pool index %d not in range>", index); | |
503 | ||
561017b5 | 504 | kind = JPOOL_TAG (jcf, index); |
65bf3316 | 505 | |
506 | if ((kind & ~CONSTANT_ResolvedFlag) != purpose) | |
507 | { | |
508 | if (purpose == CONSTANT_Class | |
509 | && kind == CONSTANT_Utf8) | |
510 | ; | |
511 | else | |
512 | error ("<constant pool index %d unexpected type", index); | |
513 | } | |
514 | ||
515 | switch (kind) | |
516 | { | |
517 | case CONSTANT_Class: | |
518 | case CONSTANT_ResolvedClass: | |
519 | { | |
520 | /* For some reason I know not the what of, class names in | |
521 | annotations are UTF-8 strings in the constant pool but | |
522 | class names in EnclosingMethod attributes are real class | |
523 | references. Set CONSTANT_LazyFlag here so that the VM | |
524 | doesn't attempt to resolve them at class initialization | |
525 | time. */ | |
526 | tree resolved_class, class_name; | |
527 | resolved_class = get_class_constant (jcf, index); | |
528 | class_name = build_internal_class_name (resolved_class); | |
529 | index = alloc_name_constant (CONSTANT_Class | CONSTANT_LazyFlag, | |
530 | (unmangle_classname | |
531 | (IDENTIFIER_POINTER(class_name), | |
532 | IDENTIFIER_LENGTH(class_name)))); | |
533 | break; | |
534 | } | |
535 | case CONSTANT_Utf8: | |
536 | { | |
537 | tree utf8 = get_constant (jcf, index); | |
538 | if (purpose == CONSTANT_Class) | |
539 | /* Create a constant pool entry for a type signature. This | |
540 | one has '.' rather than '/' because it isn't going into a | |
541 | class file, it's going into a compiled object. | |
542 | ||
543 | This has to match the logic in | |
544 | _Jv_ClassReader::prepare_pool_entry(). */ | |
545 | utf8 = unmangle_classname (IDENTIFIER_POINTER(utf8), | |
546 | IDENTIFIER_LENGTH(utf8)); | |
547 | index = alloc_name_constant (kind, utf8); | |
548 | } | |
549 | break; | |
550 | ||
551 | case CONSTANT_Long: | |
561017b5 | 552 | index = handle_long_constant (jcf, cpool, CONSTANT_Long, index, |
183dc110 | 553 | targetm.words_big_endian ()); |
65bf3316 | 554 | break; |
555 | ||
556 | case CONSTANT_Double: | |
561017b5 | 557 | index = handle_long_constant (jcf, cpool, CONSTANT_Double, index, |
183dc110 | 558 | targetm.float_words_big_endian ()); |
65bf3316 | 559 | break; |
560 | ||
561 | case CONSTANT_Float: | |
562 | case CONSTANT_Integer: | |
563 | index = find_constant1 (cpool, kind, JPOOL_INT (jcf, index)); | |
564 | break; | |
565 | ||
566 | case CONSTANT_NameAndType: | |
567 | { | |
568 | uint16 name = JPOOL_USHORT1 (jcf, index); | |
569 | uint16 sig = JPOOL_USHORT2 (jcf, index); | |
570 | uint32 name_index = handle_constant (jcf, name, CONSTANT_Utf8); | |
571 | uint32 sig_index = handle_constant (jcf, sig, CONSTANT_Class); | |
572 | jword new_index = (name_index << 16) | sig_index; | |
573 | index = find_constant1 (cpool, kind, new_index); | |
574 | } | |
575 | break; | |
576 | ||
577 | default: | |
578 | abort (); | |
579 | } | |
580 | ||
581 | return index; | |
582 | } | |
583 | ||
584 | /* Read an element_value structure from an annotation in JCF. Return | |
585 | the constant pool index for the resulting constant pool entry. */ | |
586 | ||
587 | static int | |
588 | handle_element_value (JCF *jcf, int level) | |
589 | { | |
590 | uint8 tag = JCF_readu (jcf); | |
591 | int index = 0; | |
592 | ||
593 | annotation_write_byte (tag); | |
594 | switch (tag) | |
595 | { | |
596 | case 'B': | |
597 | case 'C': | |
598 | case 'S': | |
599 | case 'Z': | |
600 | case 'I': | |
601 | { | |
602 | uint16 cindex = JCF_readu2 (jcf); | |
603 | index = handle_constant (jcf, cindex, | |
604 | CONSTANT_Integer); | |
605 | annotation_write_short (index); | |
606 | } | |
607 | break; | |
608 | case 'D': | |
609 | { | |
610 | uint16 cindex = JCF_readu2 (jcf); | |
611 | index = handle_constant (jcf, cindex, | |
612 | CONSTANT_Double); | |
613 | annotation_write_short (index); | |
614 | } | |
615 | break; | |
616 | case 'F': | |
617 | { | |
618 | uint16 cindex = JCF_readu2 (jcf); | |
619 | index = handle_constant (jcf, cindex, | |
620 | CONSTANT_Float); | |
621 | annotation_write_short (index); | |
622 | } | |
623 | break; | |
624 | case 'J': | |
625 | { | |
626 | uint16 cindex = JCF_readu2 (jcf); | |
627 | index = handle_constant (jcf, cindex, | |
628 | CONSTANT_Long); | |
629 | annotation_write_short (index); | |
630 | } | |
631 | break; | |
632 | case 's': | |
633 | { | |
634 | uint16 cindex = JCF_readu2 (jcf); | |
635 | /* Despite what the JVM spec says, compilers generate a Utf8 | |
636 | constant here, not a String. */ | |
637 | index = handle_constant (jcf, cindex, | |
638 | CONSTANT_Utf8); | |
639 | annotation_write_short (index); | |
640 | } | |
641 | break; | |
642 | ||
643 | case 'e': | |
644 | { | |
645 | uint16 type_name_index = JCF_readu2 (jcf); | |
646 | uint16 const_name_index = JCF_readu2 (jcf); | |
647 | index = handle_constant (jcf, type_name_index, | |
648 | CONSTANT_Class); | |
649 | annotation_write_short (index); | |
650 | index = handle_constant (jcf, const_name_index, | |
651 | CONSTANT_Utf8); | |
652 | annotation_write_short (index); | |
653 | } | |
654 | break; | |
655 | case 'c': | |
656 | { | |
657 | uint16 class_info_index = JCF_readu2 (jcf); | |
658 | index = handle_constant (jcf, class_info_index, | |
659 | CONSTANT_Class); | |
660 | annotation_write_short (index); | |
661 | } | |
662 | break; | |
663 | case '@': | |
664 | { | |
665 | handle_annotation (jcf, level + 1); | |
666 | } | |
667 | break; | |
668 | case '[': | |
669 | { | |
670 | uint16 n_array_elts = JCF_readu2 (jcf); | |
671 | annotation_write_short (n_array_elts); | |
672 | while (n_array_elts--) | |
673 | handle_element_value (jcf, level + 1); | |
674 | } | |
675 | break; | |
676 | default: | |
677 | abort(); | |
678 | break; | |
679 | } | |
680 | return index; | |
681 | } | |
682 | ||
683 | /* Read an annotation structure from JCF. Write it to the | |
684 | reflection_data field of the outgoing class. */ | |
685 | ||
686 | static void | |
687 | handle_annotation (JCF *jcf, int level) | |
688 | { | |
689 | uint16 type_index = JCF_readu2 (jcf); | |
690 | uint16 npairs = JCF_readu2 (jcf); | |
691 | int index = handle_constant (jcf, type_index, | |
692 | CONSTANT_Class); | |
693 | annotation_write_short (index); | |
694 | annotation_write_short (npairs); | |
695 | while (npairs--) | |
696 | { | |
697 | uint16 name_index = JCF_readu2 (jcf); | |
698 | index = handle_constant (jcf, name_index, | |
699 | CONSTANT_Utf8); | |
700 | annotation_write_short (index); | |
701 | handle_element_value (jcf, level + 2); | |
702 | } | |
703 | } | |
704 | ||
705 | /* Read an annotation count from JCF, and write the following | |
2f7ab72c | 706 | annotations to the reflection_data field of the outgoing class. */ |
65bf3316 | 707 | |
708 | static void | |
709 | handle_annotations (JCF *jcf, int level) | |
710 | { | |
711 | uint16 num = JCF_readu2 (jcf); | |
712 | annotation_write_short (num); | |
713 | while (num--) | |
714 | handle_annotation (jcf, level); | |
715 | } | |
716 | ||
717 | /* As handle_annotations(), but perform a sanity check that we write | |
718 | the same number of bytes that we were expecting. */ | |
719 | ||
720 | static void | |
721 | handle_annotation_attribute (int ATTRIBUTE_UNUSED index, JCF *jcf, | |
722 | long length) | |
723 | { | |
724 | long old_datasize = TYPE_REFLECTION_DATASIZE (current_class); | |
725 | ||
726 | handle_annotations (jcf, 0); | |
727 | ||
728 | gcc_assert (old_datasize + length | |
729 | == TYPE_REFLECTION_DATASIZE (current_class)); | |
730 | } | |
731 | ||
732 | /* gcj permutes its fields array after generating annotation_data, so | |
733 | we have to fixup field indexes for fields that have moved. Given | |
734 | ARG, a VEC_int, fixup the field indexes in the reflection_data of | |
735 | the outgoing class. We use field_offsets to tell us where the | |
736 | fixups must go. */ | |
737 | ||
738 | void | |
739 | rewrite_reflection_indexes (void *arg) | |
740 | { | |
741 | bitmap_iterator bi; | |
742 | unsigned int offset; | |
f1f41a6c | 743 | vec<int> *map = (vec<int> *) arg; |
65bf3316 | 744 | unsigned char *data = TYPE_REFLECTION_DATA (current_class); |
745 | ||
746 | if (map) | |
747 | { | |
748 | EXECUTE_IF_SET_IN_BITMAP (field_offsets, 0, offset, bi) | |
749 | { | |
750 | uint16 index = annotation_read_short (data + offset); | |
751 | annotation_rewrite_short | |
f1f41a6c | 752 | ((*map)[index], data + offset); |
65bf3316 | 753 | } |
754 | } | |
755 | } | |
756 | ||
757 | /* Read the RuntimeVisibleAnnotations from JCF and write them to the | |
758 | reflection_data of the outgoing class. */ | |
759 | ||
760 | static void | |
761 | handle_member_annotations (int member_index, JCF *jcf, | |
762 | const unsigned char *name ATTRIBUTE_UNUSED, | |
763 | long len, jv_attr_type member_type) | |
764 | { | |
765 | int new_len = len + 1; | |
766 | annotation_write_byte (member_type); | |
767 | if (member_type != JV_CLASS_ATTR) | |
768 | new_len += 2; | |
769 | annotation_write_int (new_len); | |
770 | annotation_write_byte (JV_ANNOTATIONS_KIND); | |
771 | if (member_type == JV_FIELD_ATTR) | |
772 | bitmap_set_bit (field_offsets, TYPE_REFLECTION_DATASIZE (current_class)); | |
773 | if (member_type != JV_CLASS_ATTR) | |
774 | annotation_write_short (member_index); | |
775 | handle_annotation_attribute (member_index, jcf, len); | |
776 | } | |
777 | ||
778 | /* Read the RuntimeVisibleParameterAnnotations from JCF and write them | |
779 | to the reflection_data of the outgoing class. */ | |
780 | ||
781 | static void | |
782 | handle_parameter_annotations (int member_index, JCF *jcf, | |
783 | const unsigned char *name ATTRIBUTE_UNUSED, | |
784 | long len, jv_attr_type member_type) | |
785 | { | |
786 | int new_len = len + 1; | |
787 | uint8 num; | |
788 | annotation_write_byte (member_type); | |
789 | if (member_type != JV_CLASS_ATTR) | |
790 | new_len += 2; | |
791 | annotation_write_int (new_len); | |
792 | annotation_write_byte (JV_PARAMETER_ANNOTATIONS_KIND); | |
793 | if (member_type != JV_CLASS_ATTR) | |
794 | annotation_write_short (member_index); | |
795 | num = JCF_readu (jcf); | |
796 | annotation_write_byte (num); | |
797 | while (num--) | |
798 | handle_annotations (jcf, 0); | |
799 | } | |
800 | ||
801 | ||
802 | /* Read the AnnotationDefault data from JCF and write them to the | |
803 | reflection_data of the outgoing class. */ | |
804 | ||
805 | static void | |
806 | handle_default_annotation (int member_index, JCF *jcf, | |
807 | const unsigned char *name ATTRIBUTE_UNUSED, | |
808 | long len, jv_attr_type member_type) | |
809 | { | |
810 | int new_len = len + 1; | |
811 | annotation_write_byte (member_type); | |
812 | if (member_type != JV_CLASS_ATTR) | |
813 | new_len += 2; | |
814 | annotation_write_int (new_len); | |
815 | annotation_write_byte (JV_ANNOTATION_DEFAULT_KIND); | |
816 | if (member_type != JV_CLASS_ATTR) | |
817 | annotation_write_short (member_index); | |
818 | handle_element_value (jcf, 0); | |
819 | } | |
820 | ||
821 | /* As above, for the EnclosingMethod attribute. */ | |
822 | ||
823 | static void | |
824 | handle_enclosingmethod_attribute (int member_index, JCF *jcf, | |
825 | const unsigned char *name ATTRIBUTE_UNUSED, | |
826 | long len, jv_attr_type member_type) | |
827 | { | |
828 | int new_len = len + 1; | |
829 | uint16 index; | |
830 | annotation_write_byte (member_type); | |
831 | if (member_type != JV_CLASS_ATTR) | |
832 | new_len += 2; | |
833 | annotation_write_int (new_len); | |
834 | annotation_write_byte (JV_ENCLOSING_METHOD_KIND); | |
835 | if (member_type != JV_CLASS_ATTR) | |
836 | annotation_write_short (member_index); | |
837 | ||
838 | index = JCF_readu2 (jcf); | |
839 | index = handle_constant (jcf, index, CONSTANT_Class); | |
840 | annotation_write_short (index); | |
841 | ||
842 | index = JCF_readu2 (jcf); | |
843 | index = handle_constant (jcf, index, CONSTANT_NameAndType); | |
844 | annotation_write_short (index); | |
845 | } | |
846 | ||
847 | /* As above, for the Signature attribute. */ | |
848 | ||
849 | static void | |
850 | handle_signature_attribute (int member_index, JCF *jcf, | |
851 | const unsigned char *name ATTRIBUTE_UNUSED, | |
852 | long len, jv_attr_type member_type) | |
853 | { | |
854 | int new_len = len + 1; | |
855 | uint16 index; | |
856 | annotation_write_byte (member_type); | |
857 | if (member_type != JV_CLASS_ATTR) | |
858 | new_len += 2; | |
859 | annotation_write_int (new_len); | |
860 | annotation_write_byte (JV_SIGNATURE_KIND); | |
861 | if (member_type != JV_CLASS_ATTR) | |
862 | annotation_write_short (member_index); | |
863 | ||
864 | index = JCF_readu2 (jcf); | |
865 | index = handle_constant (jcf, index, CONSTANT_Utf8); | |
866 | annotation_write_short (index); | |
867 | } | |
868 | ||
869 | \f | |
870 | ||
377029eb | 871 | #define HANDLE_SOURCEFILE(INDEX) set_source_filename (jcf, INDEX) |
872 | ||
873 | #define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \ | |
874 | { tree super_class = SUPER==0 ? NULL_TREE : get_class_constant (jcf, SUPER); \ | |
757f6c6c | 875 | output_class = current_class = give_name_to_class (jcf, THIS); \ |
377029eb | 876 | set_super_info (ACCESS_FLAGS, current_class, super_class, INTERFACES_COUNT);} |
877 | ||
878 | #define HANDLE_CLASS_INTERFACE(INDEX) \ | |
879 | add_interface (current_class, get_class_constant (jcf, INDEX)) | |
880 | ||
881 | #define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ | |
882 | { int sig_index = SIGNATURE; \ | |
883 | current_field = add_field (current_class, get_name_constant (jcf, NAME), \ | |
884 | parse_signature (jcf, sig_index), ACCESS_FLAGS); \ | |
a24242f9 | 885 | set_java_signature (TREE_TYPE (current_field), JPOOL_UTF (jcf, sig_index)); \ |
886 | if ((ACCESS_FLAGS) & ACC_FINAL) \ | |
887 | MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (current_field); \ | |
888 | } | |
377029eb | 889 | |
890 | #define HANDLE_END_FIELDS() \ | |
891 | (current_field = NULL_TREE) | |
892 | ||
893 | #define HANDLE_CONSTANTVALUE(INDEX) \ | |
894 | { tree constant; int index = INDEX; \ | |
6548e808 | 895 | if (JPOOL_TAG (jcf, index) == CONSTANT_String) { \ |
377029eb | 896 | tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); \ |
897 | constant = build_utf8_ref (name); \ | |
898 | } \ | |
899 | else \ | |
900 | constant = get_constant (jcf, index); \ | |
901 | set_constant_value (current_field, constant); } | |
902 | ||
903 | #define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \ | |
904 | (current_method = add_method (current_class, ACCESS_FLAGS, \ | |
905 | get_name_constant (jcf, NAME), \ | |
906 | get_name_constant (jcf, SIGNATURE)), \ | |
907 | DECL_LOCALVARIABLES_OFFSET (current_method) = 0, \ | |
908 | DECL_LINENUMBERS_OFFSET (current_method) = 0) | |
909 | ||
910 | #define HANDLE_END_METHODS() \ | |
e6ec293d | 911 | { current_method = NULL_TREE; } |
377029eb | 912 | |
913 | #define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \ | |
914 | { DECL_MAX_STACK (current_method) = (MAX_STACK); \ | |
915 | DECL_MAX_LOCALS (current_method) = (MAX_LOCALS); \ | |
916 | DECL_CODE_LENGTH (current_method) = (CODE_LENGTH); \ | |
917 | DECL_CODE_OFFSET (current_method) = JCF_TELL (jcf); } | |
918 | ||
919 | #define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \ | |
920 | { int n = (COUNT); \ | |
921 | DECL_LOCALVARIABLES_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ | |
922 | JCF_SKIP (jcf, n * 10); } | |
923 | ||
924 | #define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \ | |
925 | { int n = (COUNT); \ | |
926 | DECL_LINENUMBERS_OFFSET (current_method) = JCF_TELL (jcf) - 2; \ | |
927 | JCF_SKIP (jcf, n * 4); } | |
928 | ||
d1016559 | 929 | #define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \ |
930 | { \ | |
931 | int n = COUNT; \ | |
f1f41a6c | 932 | vec<tree, va_gc> *v; \ |
933 | vec_alloc (v, n); \ | |
934 | gcc_assert (!DECL_FUNCTION_THROWS (current_method)); \ | |
d1016559 | 935 | while (--n >= 0) \ |
936 | { \ | |
937 | tree thrown_class = get_class_constant (jcf, JCF_readu2 (jcf)); \ | |
f1f41a6c | 938 | v->quick_push (thrown_class); \ |
d1016559 | 939 | } \ |
3d5bf92f | 940 | DECL_FUNCTION_THROWS (current_method) = v; \ |
d1016559 | 941 | } |
942 | ||
7e3e53bc | 943 | #define HANDLE_DEPRECATED_ATTRIBUTE() handle_deprecated () |
944 | ||
4654e794 | 945 | /* Link seen inner classes to their outer context and register the |
946 | inner class to its outer context. They will be later loaded. */ | |
a24242f9 | 947 | #define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \ |
65bf3316 | 948 | handle_innerclass_attribute (COUNT, jcf, attribute_length) |
a24242f9 | 949 | |
950 | #define HANDLE_SYNTHETIC_ATTRIBUTE() \ | |
951 | { \ | |
301dfdef | 952 | /* Irrelevant decls should have been nullified by the END macros. \ |
301dfdef | 953 | DECL_ARTIFICIAL on fields is used for something else (See \ |
954 | PUSH_FIELD in java-tree.h) */ \ | |
a24242f9 | 955 | if (current_method) \ |
956 | DECL_ARTIFICIAL (current_method) = 1; \ | |
65bf3316 | 957 | else if (current_field) \ |
958 | FIELD_SYNTHETIC (current_field) = 1; \ | |
959 | else \ | |
751d3443 | 960 | TYPE_SYNTHETIC (current_class) = 1; \ |
4654e794 | 961 | } |
962 | ||
99878175 | 963 | #define HANDLE_GCJCOMPILED_ATTRIBUTE() \ |
964 | { \ | |
965 | if (current_class == object_type_node) \ | |
966 | jcf->right_zip = 1; \ | |
967 | } | |
968 | ||
65bf3316 | 969 | #define HANDLE_RUNTIMEVISIBLEANNOTATIONS_ATTRIBUTE() \ |
970 | { \ | |
971 | handle_member_annotations (index, jcf, name_data, attribute_length, attr_type); \ | |
972 | } | |
973 | ||
974 | #define HANDLE_RUNTIMEINVISIBLEANNOTATIONS_ATTRIBUTE() \ | |
975 | { \ | |
976 | JCF_SKIP(jcf, attribute_length); \ | |
977 | } | |
978 | ||
979 | #define HANDLE_RUNTIMEVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ | |
980 | { \ | |
981 | handle_parameter_annotations (index, jcf, name_data, attribute_length, attr_type); \ | |
982 | } | |
983 | ||
984 | #define HANDLE_RUNTIMEINVISIBLEPARAMETERANNOTATIONS_ATTRIBUTE() \ | |
985 | { \ | |
986 | JCF_SKIP(jcf, attribute_length); \ | |
987 | } | |
988 | ||
989 | #define HANDLE_ANNOTATIONDEFAULT_ATTRIBUTE() \ | |
990 | { \ | |
991 | handle_default_annotation (index, jcf, name_data, attribute_length, attr_type); \ | |
992 | } | |
993 | ||
994 | #define HANDLE_ENCLOSINGMETHOD_ATTRIBUTE() \ | |
995 | { \ | |
996 | handle_enclosingmethod_attribute (index, jcf, name_data, \ | |
997 | attribute_length, attr_type); \ | |
998 | } | |
999 | ||
1000 | #define HANDLE_SIGNATURE_ATTRIBUTE() \ | |
1001 | { \ | |
1002 | handle_signature_attribute (index, jcf, name_data, \ | |
1003 | attribute_length, attr_type); \ | |
1004 | } | |
1005 | ||
377029eb | 1006 | #include "jcf-reader.c" |
1007 | ||
377029eb | 1008 | tree |
2883a3ed | 1009 | parse_signature (JCF *jcf, int sig_index) |
377029eb | 1010 | { |
bc031ffe | 1011 | gcc_assert (sig_index > 0 |
1012 | && sig_index < JPOOL_SIZE (jcf) | |
1013 | && JPOOL_TAG (jcf, sig_index) == CONSTANT_Utf8); | |
1014 | ||
1015 | return parse_signature_string (JPOOL_UTF_DATA (jcf, sig_index), | |
1016 | JPOOL_UTF_LENGTH (jcf, sig_index)); | |
377029eb | 1017 | } |
1018 | ||
377029eb | 1019 | tree |
2883a3ed | 1020 | get_constant (JCF *jcf, int index) |
377029eb | 1021 | { |
1022 | tree value; | |
1023 | int tag; | |
1024 | if (index <= 0 || index >= JPOOL_SIZE(jcf)) | |
1025 | goto bad; | |
1026 | tag = JPOOL_TAG (jcf, index); | |
1027 | if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8) | |
573aba85 | 1028 | return jcf->cpool.data[index].t; |
377029eb | 1029 | switch (tag) |
1030 | { | |
1031 | case CONSTANT_Integer: | |
1032 | { | |
1033 | jint num = JPOOL_INT(jcf, index); | |
7016c612 | 1034 | value = build_int_cst (int_type_node, num); |
377029eb | 1035 | break; |
1036 | } | |
1037 | case CONSTANT_Long: | |
1038 | { | |
c5083e8b | 1039 | unsigned HOST_WIDE_INT num; |
c5083e8b | 1040 | |
1041 | num = JPOOL_UINT (jcf, index); | |
ab2c1de8 | 1042 | wide_int val = wi::lshift (wide_int::from (num, 64, SIGNED), 32); |
c5083e8b | 1043 | num = JPOOL_UINT (jcf, index + 1); |
796b6678 | 1044 | val |= num; |
c5083e8b | 1045 | |
e913b5cd | 1046 | value = wide_int_to_tree (long_type_node, val); |
377029eb | 1047 | break; |
1048 | } | |
aa870c1b | 1049 | |
377029eb | 1050 | case CONSTANT_Float: |
83b94e03 | 1051 | { |
1052 | jint num = JPOOL_INT(jcf, index); | |
1053 | long buf = num; | |
1054 | REAL_VALUE_TYPE d; | |
1055 | ||
d55fadad | 1056 | real_from_target (&d, &buf, &ieee_single_format); |
83b94e03 | 1057 | value = build_real (float_type_node, d); |
1058 | break; | |
1059 | } | |
aa870c1b | 1060 | |
377029eb | 1061 | case CONSTANT_Double: |
83b94e03 | 1062 | { |
1063 | long buf[2], lo, hi; | |
1064 | REAL_VALUE_TYPE d; | |
aa870c1b | 1065 | |
83b94e03 | 1066 | hi = JPOOL_UINT (jcf, index); |
1067 | lo = JPOOL_UINT (jcf, index+1); | |
aa870c1b | 1068 | |
183dc110 | 1069 | if (targetm.float_words_big_endian ()) |
83b94e03 | 1070 | buf[0] = hi, buf[1] = lo; |
1071 | else | |
1072 | buf[0] = lo, buf[1] = hi; | |
aa870c1b | 1073 | |
d55fadad | 1074 | real_from_target (&d, buf, &ieee_double_format); |
83b94e03 | 1075 | value = build_real (double_type_node, d); |
1076 | break; | |
1077 | } | |
aa870c1b | 1078 | |
377029eb | 1079 | case CONSTANT_String: |
1080 | { | |
377029eb | 1081 | tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); |
68ddcc2a | 1082 | const char *utf8_ptr = IDENTIFIER_POINTER (name); |
377029eb | 1083 | int utf8_len = IDENTIFIER_LENGTH (name); |
44acf429 | 1084 | const unsigned char *utf8; |
2c8c01c1 | 1085 | int i; |
377029eb | 1086 | |
2c8c01c1 | 1087 | /* Check for a malformed Utf8 string. */ |
44acf429 | 1088 | utf8 = (const unsigned char *) utf8_ptr; |
1089 | i = utf8_len; | |
44acf429 | 1090 | while (i > 0) |
377029eb | 1091 | { |
44acf429 | 1092 | int char_len = UT8_CHAR_LENGTH (*utf8); |
4177eed1 | 1093 | if (char_len < 0 || char_len > 3 || char_len > i) |
c05be867 | 1094 | fatal_error (input_location, "bad string constant"); |
f060a027 | 1095 | |
44acf429 | 1096 | utf8 += char_len; |
377029eb | 1097 | i -= char_len; |
1098 | } | |
1099 | ||
2c8c01c1 | 1100 | /* Allocate a new string value. */ |
1101 | value = build_string (utf8_len, utf8_ptr); | |
44acf429 | 1102 | TREE_TYPE (value) = build_pointer_type (string_type_node); |
377029eb | 1103 | } |
1104 | break; | |
1105 | default: | |
1106 | goto bad; | |
1107 | } | |
f060a027 | 1108 | JPOOL_TAG (jcf, index) = tag | CONSTANT_ResolvedFlag; |
573aba85 | 1109 | jcf->cpool.data[index].t = value; |
377029eb | 1110 | return value; |
1111 | bad: | |
c05be867 | 1112 | fatal_error (input_location, "bad value constant type %d, index %d", |
39101666 | 1113 | JPOOL_TAG (jcf, index), index); |
377029eb | 1114 | } |
1115 | ||
1116 | tree | |
2883a3ed | 1117 | get_name_constant (JCF *jcf, int index) |
377029eb | 1118 | { |
1119 | tree name = get_constant (jcf, index); | |
bc031ffe | 1120 | gcc_assert (TREE_CODE (name) == IDENTIFIER_NODE); |
377029eb | 1121 | return name; |
1122 | } | |
1123 | ||
86523f9c | 1124 | /* Handle reading innerclass attributes. If a nonzero entry (denoting |
a24242f9 | 1125 | a non anonymous entry) is found, We augment the inner class list of |
1126 | the outer context with the newly resolved innerclass. */ | |
1127 | ||
1128 | static void | |
65bf3316 | 1129 | handle_innerclass_attribute (int count, JCF *jcf, int attribute_length) |
a24242f9 | 1130 | { |
65bf3316 | 1131 | int c = count; |
1132 | ||
1133 | annotation_write_byte (JV_CLASS_ATTR); | |
1134 | annotation_write_int (attribute_length+1); | |
1135 | annotation_write_byte (JV_INNER_CLASSES_KIND); | |
1136 | annotation_write_short (count); | |
1137 | ||
a24242f9 | 1138 | while (c--) |
1139 | { | |
1140 | /* Read inner_class_info_index. This may be 0 */ | |
1141 | int icii = JCF_readu2 (jcf); | |
1142 | /* Read outer_class_info_index. If the innerclasses attribute | |
1143 | entry isn't a member (like an inner class) the value is 0. */ | |
1144 | int ocii = JCF_readu2 (jcf); | |
1145 | /* Read inner_name_index. If the class we're dealing with is | |
4f9026a9 | 1146 | an anonymous class, it must be 0. */ |
a24242f9 | 1147 | int ini = JCF_readu2 (jcf); |
728b4c29 | 1148 | /* Read the access flag. */ |
1149 | int acc = JCF_readu2 (jcf); | |
65bf3316 | 1150 | |
1151 | annotation_write_short (handle_constant (jcf, icii, CONSTANT_Class)); | |
1152 | annotation_write_short (handle_constant (jcf, ocii, CONSTANT_Class)); | |
1153 | annotation_write_short (handle_constant (jcf, ini, CONSTANT_Utf8)); | |
1154 | annotation_write_short (acc); | |
1155 | ||
a24242f9 | 1156 | /* If icii is 0, don't try to read the class. */ |
1157 | if (icii >= 0) | |
1158 | { | |
ead29d98 | 1159 | tree klass = get_class_constant (jcf, icii); |
1160 | tree decl = TYPE_NAME (klass); | |
a24242f9 | 1161 | /* Skip reading further if ocii is null */ |
1162 | if (DECL_P (decl) && !CLASS_COMPLETE_P (decl) && ocii) | |
1163 | { | |
1164 | tree outer = TYPE_NAME (get_class_constant (jcf, ocii)); | |
1165 | tree alias = (ini ? get_name_constant (jcf, ini) : NULL_TREE); | |
728b4c29 | 1166 | set_class_decl_access_flags (acc, decl); |
a24242f9 | 1167 | DECL_CONTEXT (decl) = outer; |
1168 | DECL_INNER_CLASS_LIST (outer) = | |
1169 | tree_cons (decl, alias, DECL_INNER_CLASS_LIST (outer)); | |
1170 | CLASS_COMPLETE_P (decl) = 1; | |
1171 | } | |
1172 | } | |
a24242f9 | 1173 | } |
1174 | } | |
1175 | ||
377029eb | 1176 | static tree |
2883a3ed | 1177 | give_name_to_class (JCF *jcf, int i) |
377029eb | 1178 | { |
bc031ffe | 1179 | gcc_assert (i > 0 |
1180 | && i < JPOOL_SIZE (jcf) | |
1181 | && JPOOL_TAG (jcf, i) == CONSTANT_Class); | |
1182 | ||
377029eb | 1183 | { |
8f6353e5 | 1184 | tree package_name = NULL_TREE, tmp; |
377029eb | 1185 | tree this_class; |
1186 | int j = JPOOL_USHORT1 (jcf, i); | |
1187 | /* verify_constant_pool confirmed that j is a CONSTANT_Utf8. */ | |
8e452f9c | 1188 | tree class_name = unmangle_classname ((const char *) JPOOL_UTF_DATA (jcf, j), |
377029eb | 1189 | JPOOL_UTF_LENGTH (jcf, j)); |
1190 | this_class = lookup_class (class_name); | |
da37f909 | 1191 | { |
1192 | tree source_name = identifier_subst (class_name, "", '.', '/', ".java"); | |
9cc6dbce | 1193 | const char *sfname = find_sourcefile (IDENTIFIER_POINTER (source_name)); |
931b0a0f | 1194 | linemap_add (line_table, LC_ENTER, false, sfname, 0); |
1195 | input_location = linemap_line_start (line_table, 0, 1); | |
da37f909 | 1196 | file_start_location = input_location; |
1197 | DECL_SOURCE_LOCATION (TYPE_NAME (this_class)) = input_location; | |
1198 | if (main_input_filename == NULL && jcf == main_jcf) | |
1199 | main_input_filename = sfname; | |
1200 | } | |
377029eb | 1201 | |
573aba85 | 1202 | jcf->cpool.data[i].t = this_class; |
377029eb | 1203 | JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
8f6353e5 | 1204 | split_qualified_name (&package_name, &tmp, |
1205 | DECL_NAME (TYPE_NAME (this_class))); | |
1206 | TYPE_PACKAGE (this_class) = package_name; | |
377029eb | 1207 | return this_class; |
1208 | } | |
1209 | } | |
1210 | ||
1211 | /* Get the class of the CONSTANT_Class whose constant pool index is I. */ | |
1212 | ||
1213 | tree | |
2883a3ed | 1214 | get_class_constant (JCF *jcf, int i) |
377029eb | 1215 | { |
1216 | tree type; | |
bc031ffe | 1217 | gcc_assert (i > 0 |
1218 | && i < JPOOL_SIZE (jcf) | |
1219 | && (JPOOL_TAG (jcf, i) & ~CONSTANT_ResolvedFlag) == CONSTANT_Class); | |
377029eb | 1220 | |
1221 | if (JPOOL_TAG (jcf, i) != CONSTANT_ResolvedClass) | |
1222 | { | |
1223 | int name_index = JPOOL_USHORT1 (jcf, i); | |
1224 | /* verify_constant_pool confirmed that name_index is a CONSTANT_Utf8. */ | |
8e452f9c | 1225 | const char *name = (const char *) JPOOL_UTF_DATA (jcf, name_index); |
377029eb | 1226 | int nlength = JPOOL_UTF_LENGTH (jcf, name_index); |
f060a027 | 1227 | |
377029eb | 1228 | if (name[0] == '[') /* Handle array "classes". */ |
8e452f9c | 1229 | type = TREE_TYPE (parse_signature_string ((const unsigned char *) name, nlength)); |
377029eb | 1230 | else |
1231 | { | |
1232 | tree cname = unmangle_classname (name, nlength); | |
1233 | type = lookup_class (cname); | |
1234 | } | |
573aba85 | 1235 | jcf->cpool.data[i].t = type; |
377029eb | 1236 | JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass; |
1237 | } | |
1238 | else | |
573aba85 | 1239 | type = jcf->cpool.data[i].t; |
377029eb | 1240 | return type; |
1241 | } | |
1242 | ||
57fc05de | 1243 | /* Read a class with the fully qualified-name NAME. |
1244 | Return 1 iff we read the requested file. | |
1245 | (It is still possible we failed if the file did not | |
1246 | define the class it is supposed to.) */ | |
1247 | ||
1248 | int | |
2883a3ed | 1249 | read_class (tree name) |
377029eb | 1250 | { |
1251 | JCF this_jcf, *jcf; | |
ead29d98 | 1252 | tree icv, klass = NULL_TREE; |
377029eb | 1253 | tree save_current_class = current_class; |
7d709f85 | 1254 | tree save_output_class = output_class; |
7512c2db | 1255 | location_t save_location = input_location; |
377029eb | 1256 | JCF *save_current_jcf = current_jcf; |
377029eb | 1257 | |
de9c2bdc | 1258 | if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE) |
74aad24c | 1259 | { |
ead29d98 | 1260 | klass = TREE_TYPE (icv); |
1261 | jcf = TYPE_JCF (klass); | |
de9c2bdc | 1262 | } |
1263 | else | |
1264 | jcf = NULL; | |
1265 | ||
1266 | if (jcf == NULL) | |
1267 | { | |
121bd24d | 1268 | const char* path_name; |
de9c2bdc | 1269 | this_jcf.zipd = NULL; |
1270 | jcf = &this_jcf; | |
121bd24d | 1271 | |
1272 | path_name = find_class (IDENTIFIER_POINTER (name), | |
1273 | IDENTIFIER_LENGTH (name), | |
7e476713 | 1274 | &this_jcf); |
121bd24d | 1275 | if (path_name == 0) |
d7c47c0e | 1276 | return 0; |
121bd24d | 1277 | else |
e47a6f81 | 1278 | free(CONST_CAST (char *, path_name)); |
74aad24c | 1279 | } |
de9c2bdc | 1280 | |
1281 | current_jcf = jcf; | |
377029eb | 1282 | |
ead29d98 | 1283 | if (klass == NULL_TREE || ! CLASS_PARSED_P (klass)) |
0574932f | 1284 | { |
ead29d98 | 1285 | output_class = current_class = klass; |
7e476713 | 1286 | if (JCF_SEEN_IN_ZIP (current_jcf)) |
1287 | read_zip_member(current_jcf, | |
1288 | current_jcf->zipd, current_jcf->zipd->zipf); | |
1289 | jcf_parse (current_jcf); | |
1290 | /* Parsing might change the class, in which case we have to | |
1291 | put it back where we found it. */ | |
ead29d98 | 1292 | if (current_class != klass && icv != NULL_TREE) |
7e476713 | 1293 | TREE_TYPE (icv) = current_class; |
ead29d98 | 1294 | klass = current_class; |
0574932f | 1295 | } |
ead29d98 | 1296 | layout_class (klass); |
1297 | load_inner_classes (klass); | |
377029eb | 1298 | |
7d709f85 | 1299 | output_class = save_output_class; |
1300 | current_class = save_current_class; | |
7512c2db | 1301 | input_location = save_location; |
377029eb | 1302 | current_jcf = save_current_jcf; |
57fc05de | 1303 | return 1; |
1304 | } | |
1305 | ||
1306 | /* Load CLASS_OR_NAME. CLASS_OR_NAME can be a mere identifier if | |
1307 | called from the parser, otherwise it's a RECORD_TYPE node. If | |
1308 | VERBOSE is 1, print error message on failure to load a class. */ | |
57fc05de | 1309 | void |
2883a3ed | 1310 | load_class (tree class_or_name, int verbose) |
57fc05de | 1311 | { |
6eb95932 | 1312 | tree name, saved; |
a4ccc41f | 1313 | int class_loaded = 0; |
1314 | tree class_decl = NULL_TREE; | |
1315 | bool is_compiled_class = false; | |
1316 | ||
1317 | /* We've already failed, don't try again. */ | |
1318 | if (TREE_CODE (class_or_name) == RECORD_TYPE | |
1319 | && TYPE_DUMMY (class_or_name)) | |
1320 | return; | |
57fc05de | 1321 | |
1322 | /* class_or_name can be the name of the class we want to load */ | |
1323 | if (TREE_CODE (class_or_name) == IDENTIFIER_NODE) | |
1324 | name = class_or_name; | |
1325 | /* In some cases, it's a dependency that we process earlier that | |
1326 | we though */ | |
1327 | else if (TREE_CODE (class_or_name) == TREE_LIST) | |
1328 | name = TYPE_NAME (TREE_PURPOSE (class_or_name)); | |
1329 | /* Or it's a type in the making */ | |
1330 | else | |
ddfa1692 | 1331 | name = DECL_NAME (TYPE_NAME (class_or_name)); |
1332 | ||
a4ccc41f | 1333 | class_decl = IDENTIFIER_CLASS_VALUE (name); |
1334 | if (class_decl != NULL_TREE) | |
1335 | { | |
1336 | tree type = TREE_TYPE (class_decl); | |
1337 | is_compiled_class | |
1338 | = ((TYPE_JCF (type) && JCF_SEEN_IN_ZIP (TYPE_JCF (type))) | |
1339 | || CLASS_FROM_CURRENTLY_COMPILED_P (type)); | |
1340 | } | |
1341 | ||
6eb95932 | 1342 | saved = name; |
a4ccc41f | 1343 | |
1344 | /* If flag_verify_invocations is unset, we don't try to load a class | |
1345 | unless we're looking for Object (which is fixed by the ABI) or | |
1346 | it's a class that we're going to compile. */ | |
1347 | if (flag_verify_invocations | |
1348 | || class_or_name == object_type_node | |
1349 | || is_compiled_class | |
1350 | || TREE_CODE (class_or_name) == IDENTIFIER_NODE) | |
6eb95932 | 1351 | { |
a4ccc41f | 1352 | while (1) |
1353 | { | |
384eaf80 | 1354 | const char *separator; |
6eb95932 | 1355 | |
a4ccc41f | 1356 | /* We've already loaded it. */ |
1357 | if (IDENTIFIER_CLASS_VALUE (name) != NULL_TREE) | |
1358 | { | |
1359 | tree tmp_decl = IDENTIFIER_CLASS_VALUE (name); | |
1360 | if (CLASS_PARSED_P (TREE_TYPE (tmp_decl))) | |
1361 | break; | |
1362 | } | |
1363 | ||
1364 | if (read_class (name)) | |
1365 | break; | |
6eb95932 | 1366 | |
a4ccc41f | 1367 | /* We failed loading name. Now consider that we might be looking |
7a974467 | 1368 | for an inner class. */ |
a4ccc41f | 1369 | if ((separator = strrchr (IDENTIFIER_POINTER (name), '$')) |
1370 | || (separator = strrchr (IDENTIFIER_POINTER (name), '.'))) | |
384eaf80 | 1371 | name = get_identifier_with_length (IDENTIFIER_POINTER (name), |
1372 | (separator | |
1373 | - IDENTIFIER_POINTER (name))); | |
a4ccc41f | 1374 | /* Otherwise, we failed, we bail. */ |
1375 | else | |
da37f909 | 1376 | break; |
6eb95932 | 1377 | } |
6eb95932 | 1378 | |
a4ccc41f | 1379 | { |
1380 | /* have we found the class we're looking for? */ | |
1381 | tree type_decl = IDENTIFIER_CLASS_VALUE (saved); | |
1382 | tree type = type_decl ? TREE_TYPE (type_decl) : NULL; | |
1383 | class_loaded = type && CLASS_PARSED_P (type); | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | if (!class_loaded) | |
1388 | { | |
6548e808 | 1389 | if (flag_verify_invocations || ! flag_indirect_dispatch) |
a4ccc41f | 1390 | { |
1391 | if (verbose) | |
1392 | error ("cannot find file for class %s", IDENTIFIER_POINTER (saved)); | |
1393 | } | |
1394 | else if (verbose) | |
1395 | { | |
1396 | /* This is just a diagnostic during testing, not a real problem. */ | |
1397 | if (!quiet_flag) | |
c3ceba8e | 1398 | warning (0, "cannot find file for class %s", |
1399 | IDENTIFIER_POINTER (saved)); | |
a4ccc41f | 1400 | |
1401 | /* Fake it. */ | |
1402 | if (TREE_CODE (class_or_name) == RECORD_TYPE) | |
1403 | { | |
1404 | set_super_info (0, class_or_name, object_type_node, 0); | |
1405 | TYPE_DUMMY (class_or_name) = 1; | |
1406 | /* We won't be able to output any debug info for this class. */ | |
1407 | DECL_IGNORED_P (TYPE_NAME (class_or_name)) = 1; | |
1408 | } | |
1409 | } | |
1410 | } | |
377029eb | 1411 | } |
1412 | ||
377029eb | 1413 | /* Parse the .class file JCF. */ |
1414 | ||
9140e457 | 1415 | static void |
2883a3ed | 1416 | jcf_parse (JCF* jcf) |
377029eb | 1417 | { |
1418 | int i, code; | |
7e37b1c3 | 1419 | |
1420 | bitmap_clear (field_offsets); | |
377029eb | 1421 | |
1422 | if (jcf_parse_preamble (jcf) != 0) | |
c05be867 | 1423 | fatal_error (input_location, "not a valid Java .class file"); |
377029eb | 1424 | code = jcf_parse_constant_pool (jcf); |
1425 | if (code != 0) | |
c05be867 | 1426 | fatal_error (input_location, "error while parsing constant pool"); |
377029eb | 1427 | code = verify_constant_pool (jcf); |
1428 | if (code > 0) | |
c05be867 | 1429 | fatal_error (input_location, "error in constant pool entry #%d\n", code); |
377029eb | 1430 | |
1431 | jcf_parse_class (jcf); | |
1432 | if (main_class == NULL_TREE) | |
1433 | main_class = current_class; | |
1434 | if (! quiet_flag && TYPE_NAME (current_class)) | |
c0c735e9 | 1435 | fprintf (stderr, " %s %s", |
1436 | (jcf->access_flags & ACC_INTERFACE) ? "interface" : "class", | |
377029eb | 1437 | IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class)))); |
0574932f | 1438 | if (CLASS_PARSED_P (current_class)) |
1439 | { | |
1440 | /* FIXME - where was first time */ | |
c05be867 | 1441 | fatal_error (input_location, |
1442 | "reading class %s for the second time from %s", | |
0574932f | 1443 | IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))), |
1444 | jcf->filename); | |
1445 | } | |
1446 | CLASS_PARSED_P (current_class) = 1; | |
377029eb | 1447 | |
1448 | for (i = 1; i < JPOOL_SIZE(jcf); i++) | |
1449 | { | |
1450 | switch (JPOOL_TAG (jcf, i)) | |
1451 | { | |
1452 | case CONSTANT_Class: | |
1453 | get_class_constant (jcf, i); | |
1454 | break; | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | code = jcf_parse_fields (jcf); | |
1459 | if (code != 0) | |
c05be867 | 1460 | fatal_error (input_location, "error while parsing fields"); |
377029eb | 1461 | code = jcf_parse_methods (jcf); |
1462 | if (code != 0) | |
c05be867 | 1463 | fatal_error (input_location, "error while parsing methods"); |
377029eb | 1464 | code = jcf_parse_final_attributes (jcf); |
1465 | if (code != 0) | |
c05be867 | 1466 | fatal_error (input_location, "error while parsing final attributes"); |
65bf3316 | 1467 | |
1468 | if (TYPE_REFLECTION_DATA (current_class)) | |
1469 | annotation_write_byte (JV_DONE_ATTR); | |
1470 | ||
931b0a0f | 1471 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
377029eb | 1472 | |
1473 | /* The fields of class_type_node are already in correct order. */ | |
1474 | if (current_class != class_type_node && current_class != object_type_node) | |
1475 | TYPE_FIELDS (current_class) = nreverse (TYPE_FIELDS (current_class)); | |
1476 | ||
7523afef | 1477 | if (current_class == object_type_node) |
7e476713 | 1478 | layout_class_methods (object_type_node); |
7523afef | 1479 | else |
f1f41a6c | 1480 | vec_safe_push (all_class_list, TYPE_NAME (current_class)); |
cb18c572 | 1481 | } |
4654e794 | 1482 | |
cb18c572 | 1483 | /* If we came across inner classes, load them now. */ |
1484 | static void | |
2883a3ed | 1485 | load_inner_classes (tree cur_class) |
cb18c572 | 1486 | { |
1487 | tree current; | |
1488 | for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (cur_class)); current; | |
4654e794 | 1489 | current = TREE_CHAIN (current)) |
a24242f9 | 1490 | { |
1491 | tree name = DECL_NAME (TREE_PURPOSE (current)); | |
1492 | tree decl = IDENTIFIER_GLOBAL_VALUE (name); | |
7c779a81 | 1493 | if (decl && ! CLASS_LOADED_P (TREE_TYPE (decl)) |
1494 | && !CLASS_BEING_LAIDOUT (TREE_TYPE (decl))) | |
a24242f9 | 1495 | load_class (name, 1); |
1496 | } | |
377029eb | 1497 | } |
1498 | ||
95df7640 | 1499 | static void |
1500 | duplicate_class_warning (const char *filename) | |
1501 | { | |
1502 | location_t warn_loc; | |
931b0a0f | 1503 | linemap_add (line_table, LC_RENAME, 0, filename, 0); |
1504 | warn_loc = linemap_line_start (line_table, 0, 1); | |
5fb6a912 | 1505 | warning_at (warn_loc, 0, "duplicate class will only be compiled once"); |
95df7640 | 1506 | } |
1507 | ||
65bf3316 | 1508 | static void |
1509 | java_layout_seen_class_methods (void) | |
1510 | { | |
43d03f3a | 1511 | unsigned start = 0; |
f1f41a6c | 1512 | unsigned end = vec_safe_length (all_class_list); |
65bf3316 | 1513 | |
1514 | while (1) | |
1515 | { | |
43d03f3a | 1516 | unsigned ix; |
1517 | unsigned new_length; | |
1518 | ||
1519 | for (ix = start; ix != end; ix++) | |
65bf3316 | 1520 | { |
f1f41a6c | 1521 | tree decl = (*all_class_list)[ix]; |
65bf3316 | 1522 | tree cls = TREE_TYPE (decl); |
1523 | ||
1524 | input_location = DECL_SOURCE_LOCATION (decl); | |
1525 | ||
1526 | if (! CLASS_LOADED_P (cls)) | |
1527 | load_class (cls, 0); | |
1528 | ||
1529 | layout_class_methods (cls); | |
1530 | } | |
1531 | ||
1532 | /* Note that new classes might have been added while laying out | |
1533 | methods, changing the value of all_class_list. */ | |
f1f41a6c | 1534 | new_length = vec_safe_length (all_class_list); |
43d03f3a | 1535 | if (end != new_length) |
65bf3316 | 1536 | { |
43d03f3a | 1537 | start = end; |
1538 | end = new_length; | |
65bf3316 | 1539 | } |
1540 | else | |
1541 | break; | |
1542 | } | |
1543 | } | |
1544 | ||
003019ba | 1545 | static void |
2883a3ed | 1546 | parse_class_file (void) |
377029eb | 1547 | { |
a82984ec | 1548 | tree method; |
7512c2db | 1549 | location_t save_location = input_location; |
377029eb | 1550 | |
b82a0849 | 1551 | java_layout_seen_class_methods (); |
7523afef | 1552 | |
da37f909 | 1553 | input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
3e04ac91 | 1554 | { |
1555 | /* Re-enter the current file. */ | |
1556 | expanded_location loc = expand_location (input_location); | |
1557 | linemap_add (line_table, LC_ENTER, 0, loc.file, loc.line); | |
1558 | } | |
a4ccc41f | 1559 | file_start_location = input_location; |
3df42822 | 1560 | (*debug_hooks->start_source_file) (LOCATION_LINE (input_location), |
1561 | LOCATION_FILE (input_location)); | |
377029eb | 1562 | |
699a0022 | 1563 | java_mark_class_local (current_class); |
1564 | ||
757f6c6c | 1565 | gen_indirect_dispatch_tables (current_class); |
1566 | ||
e6ec293d | 1567 | for (method = TYPE_METHODS (current_class); |
1767a056 | 1568 | method != NULL_TREE; method = DECL_CHAIN (method)) |
377029eb | 1569 | { |
1570 | JCF *jcf = current_jcf; | |
1571 | ||
a4ccc41f | 1572 | if (METHOD_ABSTRACT (method) || METHOD_DUMMY (method)) |
377029eb | 1573 | continue; |
1574 | ||
47efb553 | 1575 | if (METHOD_NATIVE (method)) |
1576 | { | |
728b4c29 | 1577 | tree arg; |
1578 | int decl_max_locals; | |
1579 | ||
47efb553 | 1580 | if (! flag_jni) |
1581 | continue; | |
728b4c29 | 1582 | /* We need to compute the DECL_MAX_LOCALS. We need to take |
1583 | the wide types into account too. */ | |
1584 | for (arg = TYPE_ARG_TYPES (TREE_TYPE (method)), decl_max_locals = 0; | |
1585 | arg != end_params_node; | |
1586 | arg = TREE_CHAIN (arg), decl_max_locals += 1) | |
1587 | { | |
1588 | if (TREE_VALUE (arg) && TYPE_IS_WIDE (TREE_VALUE (arg))) | |
1589 | decl_max_locals += 1; | |
1590 | } | |
1591 | DECL_MAX_LOCALS (method) = decl_max_locals; | |
47efb553 | 1592 | start_java_method (method); |
1593 | give_name_to_locals (jcf); | |
4ee9c684 | 1594 | *get_stmts () = build_jni_stub (method); |
47efb553 | 1595 | end_java_method (); |
1596 | continue; | |
1597 | } | |
1598 | ||
377029eb | 1599 | if (DECL_CODE_OFFSET (method) == 0) |
1600 | { | |
9fb34998 | 1601 | current_function_decl = method; |
377029eb | 1602 | error ("missing Code attribute"); |
1603 | continue; | |
1604 | } | |
1605 | ||
ce4f2a3c | 1606 | input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class)); |
377029eb | 1607 | if (DECL_LINENUMBERS_OFFSET (method)) |
1608 | { | |
fdbb243d | 1609 | int i; |
cd31eb43 | 1610 | int min_line = 0; |
fdbb243d | 1611 | unsigned char *ptr; |
377029eb | 1612 | JCF_SEEK (jcf, DECL_LINENUMBERS_OFFSET (method)); |
1613 | linenumber_count = i = JCF_readu2 (jcf); | |
1614 | linenumber_table = ptr = jcf->read_ptr; | |
1615 | ||
1616 | for (ptr += 2; --i >= 0; ptr += 4) | |
1617 | { | |
1618 | int line = GET_u2 (ptr); | |
3df42822 | 1619 | /* Set initial line of input_location to smallest |
1620 | * linenumber. | |
377029eb | 1621 | * Needs to be set before init_function_start. */ |
cd31eb43 | 1622 | if (min_line == 0 || line < min_line) |
1623 | min_line = line; | |
1624 | } | |
cd31eb43 | 1625 | if (min_line != 0) |
931b0a0f | 1626 | input_location = linemap_line_start (line_table, min_line, 1); |
377029eb | 1627 | } |
1628 | else | |
1629 | { | |
1630 | linenumber_table = NULL; | |
1631 | linenumber_count = 0; | |
1632 | } | |
1633 | ||
1634 | start_java_method (method); | |
1635 | ||
713ada26 | 1636 | note_instructions (jcf, method); |
1637 | ||
377029eb | 1638 | give_name_to_locals (jcf); |
1639 | ||
d3dc666e | 1640 | /* Bump up start_label_pc_this_method so we get a unique label number |
1641 | and reset highest_label_pc_this_method. */ | |
1642 | if (highest_label_pc_this_method >= 0) | |
1643 | { | |
1644 | /* We adjust to the next multiple of 1000. This is just a frill | |
1645 | so the last 3 digits of the label number match the bytecode | |
1646 | offset, which might make debugging marginally more convenient. */ | |
1647 | start_label_pc_this_method | |
1648 | = ((((start_label_pc_this_method + highest_label_pc_this_method) | |
1649 | / 1000) | |
1650 | + 1) | |
1651 | * 1000); | |
1652 | highest_label_pc_this_method = -1; | |
1653 | } | |
1654 | ||
4ee9c684 | 1655 | /* Convert bytecode to trees. */ |
377029eb | 1656 | expand_byte_code (jcf, method); |
1657 | ||
1658 | end_java_method (); | |
1659 | } | |
1660 | ||
5b0a320e | 1661 | finish_class (); |
377029eb | 1662 | |
cd31eb43 | 1663 | (*debug_hooks->end_source_file) (LOCATION_LINE (save_location)); |
7512c2db | 1664 | input_location = save_location; |
377029eb | 1665 | } |
1666 | ||
f1f41a6c | 1667 | static vec<tree, va_gc> *predefined_filenames; |
43d03f3a | 1668 | |
fcffb974 | 1669 | void |
2883a3ed | 1670 | add_predefined_file (tree name) |
fcffb974 | 1671 | { |
f1f41a6c | 1672 | vec_safe_push (predefined_filenames, name); |
fcffb974 | 1673 | } |
1674 | ||
1675 | int | |
2883a3ed | 1676 | predefined_filename_p (tree node) |
53bd31b5 | 1677 | { |
43d03f3a | 1678 | unsigned ix; |
1679 | tree f; | |
1680 | ||
f1f41a6c | 1681 | FOR_EACH_VEC_SAFE_ELT (predefined_filenames, ix, f) |
43d03f3a | 1682 | if (f == node) |
1683 | return 1; | |
fcffb974 | 1684 | |
53bd31b5 | 1685 | return 0; |
1686 | } | |
1687 | ||
b5530559 | 1688 | /* Generate a function that does all static initialization for this |
1689 | translation unit. */ | |
1690 | ||
1691 | static void | |
1692 | java_emit_static_constructor (void) | |
1693 | { | |
1694 | tree body = NULL; | |
1695 | ||
1696 | emit_register_classes (&body); | |
1697 | write_resource_constructor (&body); | |
1698 | ||
1699 | if (body) | |
acd48105 | 1700 | { |
1701 | tree name = get_identifier ("_Jv_global_static_constructor"); | |
1702 | ||
1703 | tree decl | |
e60a6f7b | 1704 | = build_decl (input_location, FUNCTION_DECL, name, |
bfa624b3 | 1705 | build_function_type_list (void_type_node, NULL_TREE)); |
acd48105 | 1706 | |
e60a6f7b | 1707 | tree resdecl = build_decl (input_location, |
1708 | RESULT_DECL, NULL_TREE, void_type_node); | |
acd48105 | 1709 | DECL_ARTIFICIAL (resdecl) = 1; |
1710 | DECL_RESULT (decl) = resdecl; | |
1711 | current_function_decl = decl; | |
1712 | allocate_struct_function (decl, false); | |
1713 | ||
1714 | TREE_STATIC (decl) = 1; | |
1715 | TREE_USED (decl) = 1; | |
1716 | DECL_ARTIFICIAL (decl) = 1; | |
1717 | DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1; | |
1718 | DECL_SAVED_TREE (decl) = body; | |
1719 | DECL_UNINLINABLE (decl) = 1; | |
1720 | ||
1721 | DECL_INITIAL (decl) = make_node (BLOCK); | |
1722 | TREE_USED (DECL_INITIAL (decl)) = 1; | |
1723 | ||
1724 | DECL_STATIC_CONSTRUCTOR (decl) = 1; | |
1725 | java_genericize (decl); | |
35ee1c66 | 1726 | cgraph_node::finalize_function (decl, false); |
acd48105 | 1727 | } |
b5530559 | 1728 | } |
1729 | ||
c616456b | 1730 | |
b78207a0 | 1731 | void |
b8ba44e7 | 1732 | java_parse_file (void) |
377029eb | 1733 | { |
489283da | 1734 | int filename_count = 0; |
da37f909 | 1735 | location_t save_location = input_location; |
121bd24d | 1736 | char *file_list = NULL, *list, *next; |
9d1847a0 | 1737 | tree node; |
cb18c572 | 1738 | FILE *finput = NULL; |
0750f30d | 1739 | int in_quotes = 0; |
43d03f3a | 1740 | unsigned ix; |
0750f30d | 1741 | |
65bf3316 | 1742 | bitmap_obstack_initialize (&bit_obstack); |
1743 | field_offsets = BITMAP_ALLOC (&bit_obstack); | |
1744 | ||
489283da | 1745 | if (flag_filelist_file) |
1746 | { | |
1747 | int avail = 2000; | |
da37f909 | 1748 | finput = fopen (main_input_filename, "r"); |
489283da | 1749 | if (finput == NULL) |
c05be867 | 1750 | fatal_error (input_location, |
1751 | "can%'t open %s: %m", LOCATION_FILE (input_location)); | |
4c36ffe6 | 1752 | list = XNEWVEC (char, avail); |
489283da | 1753 | next = list; |
1754 | for (;;) | |
1755 | { | |
1756 | int count; | |
1757 | if (avail < 500) | |
1758 | { | |
1759 | count = next - list; | |
1760 | avail = 2 * (count + avail); | |
25a1c410 | 1761 | list = XRESIZEVEC (char, list, avail); |
489283da | 1762 | next = list + count; |
1763 | avail = avail - count; | |
1764 | } | |
851d9296 | 1765 | /* Subtract one to guarantee space for final '\0'. */ |
489283da | 1766 | count = fread (next, 1, avail - 1, finput); |
1767 | if (count == 0) | |
1768 | { | |
1769 | if (! feof (finput)) | |
c05be867 | 1770 | fatal_error (input_location, "error closing %s: %m", |
3df42822 | 1771 | LOCATION_FILE (input_location)); |
489283da | 1772 | *next = '\0'; |
1773 | break; | |
1774 | } | |
1775 | avail -= count; | |
1776 | next += count; | |
1777 | } | |
1778 | fclose (finput); | |
cb18c572 | 1779 | finput = NULL; |
121bd24d | 1780 | file_list = list; |
489283da | 1781 | } |
1782 | else | |
e47a6f81 | 1783 | list = CONST_CAST (char *, main_input_filename); |
489283da | 1784 | |
905df476 | 1785 | while (list) |
377029eb | 1786 | { |
489283da | 1787 | for (next = list; ; ) |
c31939b7 | 1788 | { |
cb18c572 | 1789 | char ch = *next; |
0750f30d | 1790 | if (flag_filelist_file && ! in_quotes |
1791 | && (ch == '\n' || ch == '\r' || ch == '\t' || ch == ' ' | |
1792 | || ch == '&') /* FIXME */) | |
489283da | 1793 | { |
1794 | if (next == list) | |
1795 | { | |
1796 | next++; | |
1797 | list = next; | |
1798 | continue; | |
1799 | } | |
1800 | else | |
1801 | { | |
1802 | *next++ = '\0'; | |
1803 | break; | |
1804 | } | |
1805 | } | |
0750f30d | 1806 | if (flag_filelist_file && ch == '"') |
1807 | { | |
1808 | in_quotes = ! in_quotes; | |
1809 | *next++ = '\0'; | |
1810 | if (in_quotes) | |
1811 | list = next; | |
1812 | else | |
1813 | break; | |
1814 | } | |
489283da | 1815 | if (ch == '\0') |
1816 | { | |
1817 | next = NULL; | |
1818 | break; | |
1819 | } | |
1820 | next++; | |
c31939b7 | 1821 | } |
1822 | ||
65bf3316 | 1823 | /* Exclude .java files. */ |
1824 | if (strlen (list) > 5 && ! strcmp (list + strlen (list) - 5, ".java")) | |
1825 | { | |
1826 | /* Nothing. */ | |
1827 | } | |
1828 | else if (list[0]) | |
c31939b7 | 1829 | { |
da37f909 | 1830 | node = get_identifier (list); |
53bd31b5 | 1831 | |
489283da | 1832 | filename_count++; |
1833 | ||
da37f909 | 1834 | /* Exclude file that we see twice on the command line. */ |
53bd31b5 | 1835 | |
da37f909 | 1836 | if (IS_A_COMMAND_LINE_FILENAME_P (node)) |
95df7640 | 1837 | duplicate_class_warning (IDENTIFIER_POINTER (node)); |
53bd31b5 | 1838 | else |
1839 | { | |
23bdc9ca | 1840 | build_translation_unit_decl (node); |
53bd31b5 | 1841 | IS_A_COMMAND_LINE_FILENAME_P (node) = 1; |
53bd31b5 | 1842 | } |
c31939b7 | 1843 | } |
1844 | list = next; | |
1845 | } | |
c31939b7 | 1846 | |
dd045aee | 1847 | free (file_list); |
121bd24d | 1848 | |
489283da | 1849 | if (filename_count == 0) |
c3ceba8e | 1850 | warning (0, "no input file specified"); |
489283da | 1851 | |
7ad6876a | 1852 | if (resource_name) |
1853 | { | |
76c6f48d | 1854 | const char *resource_filename; |
7ad6876a | 1855 | |
1856 | /* Only one resource file may be compiled at a time. */ | |
f1f41a6c | 1857 | gcc_assert (all_translation_units->length () == 1); |
7ad6876a | 1858 | |
23bdc9ca | 1859 | resource_filename |
f1f41a6c | 1860 | = IDENTIFIER_POINTER (DECL_NAME ((*all_translation_units)[0])); |
7ad6876a | 1861 | compile_resource_file (resource_name, resource_filename); |
657424c4 | 1862 | |
b5530559 | 1863 | goto finish; |
7ad6876a | 1864 | } |
1865 | ||
a31ac40f | 1866 | current_jcf = main_jcf; |
f1f41a6c | 1867 | FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
c31939b7 | 1868 | { |
cb18c572 | 1869 | unsigned char magic_string[4]; |
121bd24d | 1870 | char *real_path; |
57763f86 | 1871 | uint32 magic = 0; |
da37f909 | 1872 | tree name = DECL_NAME (node); |
f1d4bfad | 1873 | tree real_file; |
da37f909 | 1874 | const char *filename = IDENTIFIER_POINTER (name); |
c31939b7 | 1875 | |
a31ac40f | 1876 | /* Skip already parsed files */ |
121bd24d | 1877 | real_path = lrealpath (filename); |
1878 | real_file = get_identifier (real_path); | |
1879 | free (real_path); | |
f1d4bfad | 1880 | if (HAS_BEEN_ALREADY_PARSED_P (real_file)) |
a31ac40f | 1881 | continue; |
da37f909 | 1882 | |
a31ac40f | 1883 | /* Close previous descriptor, if any */ |
cb18c572 | 1884 | if (finput && fclose (finput)) |
c05be867 | 1885 | fatal_error (input_location, |
1886 | "can%'t close input file %s: %m", main_input_filename); | |
a31ac40f | 1887 | |
da37f909 | 1888 | finput = fopen (filename, "rb"); |
cb18c572 | 1889 | if (finput == NULL) |
c05be867 | 1890 | fatal_error (input_location, "can%'t open %s: %m", filename); |
caa8fa37 | 1891 | |
a31ac40f | 1892 | #ifdef IO_BUFFER_SIZE |
0cc50a21 | 1893 | setvbuf (finput, xmalloc (IO_BUFFER_SIZE), |
a31ac40f | 1894 | _IOFBF, IO_BUFFER_SIZE); |
1895 | #endif | |
c31939b7 | 1896 | |
cb18c572 | 1897 | /* Figure what kind of file we're dealing with */ |
57763f86 | 1898 | if (fread (magic_string, 1, 4, finput) == 4) |
1899 | { | |
1900 | fseek (finput, 0L, SEEK_SET); | |
1901 | magic = GET_u4 (magic_string); | |
1902 | } | |
cb18c572 | 1903 | if (magic == 0xcafebabe) |
c31939b7 | 1904 | { |
cb18c572 | 1905 | CLASS_FILE_P (node) = 1; |
25a27413 | 1906 | current_jcf = ggc_cleared_alloc<JCF> (); |
cb18c572 | 1907 | current_jcf->read_state = finput; |
1908 | current_jcf->filbuf = jcf_filbuf_from_stdio; | |
c31939b7 | 1909 | jcf_parse (current_jcf); |
da37f909 | 1910 | DECL_SOURCE_LOCATION (node) = file_start_location; |
cb18c572 | 1911 | TYPE_JCF (current_class) = current_jcf; |
95df7640 | 1912 | if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class)) |
1913 | { | |
1914 | /* We've already compiled this class. */ | |
1915 | duplicate_class_warning (filename); | |
1916 | continue; | |
1917 | } | |
cb18c572 | 1918 | CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1; |
da37f909 | 1919 | TREE_TYPE (node) = current_class; |
cb18c572 | 1920 | } |
1921 | else if (magic == (JCF_u4)ZIPMAGIC) | |
1922 | { | |
25a27413 | 1923 | main_jcf = ggc_cleared_alloc<JCF> (); |
cb18c572 | 1924 | main_jcf->read_state = finput; |
1925 | main_jcf->filbuf = jcf_filbuf_from_stdio; | |
931b0a0f | 1926 | linemap_add (line_table, LC_ENTER, false, filename, 0); |
1927 | input_location = linemap_line_start (line_table, 0, 1); | |
da37f909 | 1928 | if (open_in_zip (main_jcf, filename, NULL, 0) < 0) |
c05be867 | 1929 | fatal_error (input_location, "bad zip/jar file %s", filename); |
cb18c572 | 1930 | localToFile = SeenZipFiles; |
caa8fa37 | 1931 | /* Register all the classes defined there. */ |
25a1c410 | 1932 | process_zip_dir ((FILE *) main_jcf->read_state); |
931b0a0f | 1933 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
cb18c572 | 1934 | parse_zip_file_entries (); |
cb18c572 | 1935 | } |
3a6ff634 | 1936 | else if (magic == (JCF_u4) ZIPEMPTYMAGIC) |
1937 | { | |
1938 | /* Ignore an empty input jar. */ | |
1939 | } | |
cb18c572 | 1940 | else |
1941 | { | |
65bf3316 | 1942 | gcc_unreachable (); |
1943 | #if 0 | |
23b7f2e1 | 1944 | java_push_parser_context (); |
1945 | java_parser_context_save_global (); | |
f1d4bfad | 1946 | |
cd31eb43 | 1947 | parse_source_file_1 (real_file, filename, finput); |
23b7f2e1 | 1948 | java_parser_context_restore_global (); |
1949 | java_pop_parser_context (1); | |
931b0a0f | 1950 | linemap_add (line_table, LC_LEAVE, false, NULL, 0); |
cd31eb43 | 1951 | #endif |
c31939b7 | 1952 | } |
377029eb | 1953 | } |
6b0c8920 | 1954 | |
f1f41a6c | 1955 | FOR_EACH_VEC_ELT (*all_translation_units, ix, node) |
cb18c572 | 1956 | { |
da37f909 | 1957 | input_location = DECL_SOURCE_LOCATION (node); |
cb18c572 | 1958 | if (CLASS_FILE_P (node)) |
1959 | { | |
a4ccc41f | 1960 | /* FIXME: These two flags really should be independent. We |
1961 | should be able to compile fully binary compatible, but | |
1962 | with flag_verify_invocations on. */ | |
1963 | flag_verify_invocations = ! flag_indirect_dispatch; | |
da37f909 | 1964 | output_class = current_class = TREE_TYPE (node); |
a4ccc41f | 1965 | |
cb18c572 | 1966 | current_jcf = TYPE_JCF (current_class); |
0574932f | 1967 | layout_class (current_class); |
cb18c572 | 1968 | load_inner_classes (current_class); |
1969 | parse_class_file (); | |
0574932f | 1970 | JCF_FINISH (current_jcf); |
cb18c572 | 1971 | } |
1972 | } | |
da37f909 | 1973 | input_location = save_location; |
489283da | 1974 | |
65bf3316 | 1975 | bitmap_obstack_release (&bit_obstack); |
1976 | ||
b5530559 | 1977 | finish: |
1978 | /* Arrange for any necessary initialization to happen. */ | |
1979 | java_emit_static_constructor (); | |
c616456b | 1980 | gcc_assert (global_bindings_p ()); |
3a1c9df2 | 1981 | |
1982 | /* Do final processing on globals. */ | |
1983 | global_decl_processing (); | |
caa8fa37 | 1984 | } |
1985 | ||
b5530559 | 1986 | |
caa8fa37 | 1987 | /* Return the name of the class corresponding to the name of the file |
1988 | in this zip entry. The result is newly allocated using ALLOC. */ | |
1989 | static char * | |
1990 | compute_class_name (struct ZipDirectory *zdir) | |
1991 | { | |
1992 | char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
1993 | char *class_name; | |
4d905f63 | 1994 | int i; |
a4ccc41f | 1995 | int filename_length = zdir->filename_length; |
4d905f63 | 1996 | |
a4ccc41f | 1997 | while (filename_length > 2 && strncmp (class_name_in_zip_dir, "./", 2) == 0) |
1998 | { | |
1999 | class_name_in_zip_dir += 2; | |
2000 | filename_length -= 2; | |
2001 | } | |
4d905f63 | 2002 | |
a4ccc41f | 2003 | filename_length -= strlen (".class"); |
4c36ffe6 | 2004 | class_name = XNEWVEC (char, filename_length + 1); |
4d905f63 | 2005 | memcpy (class_name, class_name_in_zip_dir, filename_length); |
2006 | class_name [filename_length] = '\0'; | |
2007 | ||
2008 | for (i = 0; i < filename_length; i++) | |
2009 | if (class_name[i] == '/') | |
2010 | class_name[i] = '.'; | |
caa8fa37 | 2011 | |
caa8fa37 | 2012 | return class_name; |
2013 | } | |
2014 | ||
2015 | /* Return 0 if we should skip this entry, 1 if it is a .class file, 2 | |
2016 | if it is a property file of some sort. */ | |
2017 | static int | |
2018 | classify_zip_file (struct ZipDirectory *zdir) | |
2019 | { | |
2020 | char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
2021 | ||
2022 | if (zdir->filename_length > 6 | |
2023 | && !strncmp (&class_name_in_zip_dir[zdir->filename_length - 6], | |
2024 | ".class", 6)) | |
2025 | return 1; | |
2026 | ||
639e4191 | 2027 | /* For now we drop the manifest, but not other information. */ |
90483006 | 2028 | if (zdir->filename_length == 20 |
639e4191 | 2029 | && !strncmp (class_name_in_zip_dir, "META-INF/MANIFEST.MF", 20)) |
caa8fa37 | 2030 | return 0; |
2031 | ||
2032 | /* Drop directory entries. */ | |
2033 | if (zdir->filename_length > 0 | |
2034 | && class_name_in_zip_dir[zdir->filename_length - 1] == '/') | |
2035 | return 0; | |
2036 | ||
2037 | return 2; | |
377029eb | 2038 | } |
2039 | ||
377029eb | 2040 | /* Process all class entries found in the zip file. */ |
003019ba | 2041 | static void |
377029eb | 2042 | parse_zip_file_entries (void) |
2043 | { | |
2044 | struct ZipDirectory *zdir; | |
2045 | int i; | |
2046 | ||
de9c2bdc | 2047 | for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
2048 | i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) | |
377029eb | 2049 | { |
ead29d98 | 2050 | tree klass; |
377029eb | 2051 | |
caa8fa37 | 2052 | switch (classify_zip_file (zdir)) |
377029eb | 2053 | { |
caa8fa37 | 2054 | case 0: |
2055 | continue; | |
377029eb | 2056 | |
caa8fa37 | 2057 | case 1: |
2058 | { | |
2059 | char *class_name = compute_class_name (zdir); | |
6a609ad9 | 2060 | int previous_alias_set = -1; |
ead29d98 | 2061 | klass = lookup_class (get_identifier (class_name)); |
caa8fa37 | 2062 | FREE (class_name); |
ead29d98 | 2063 | current_jcf = TYPE_JCF (klass); |
2064 | output_class = current_class = klass; | |
caa8fa37 | 2065 | |
bc031ffe | 2066 | /* This is a dummy class, and now we're compiling it for |
2067 | real. */ | |
ead29d98 | 2068 | gcc_assert (! TYPE_DUMMY (klass)); |
a4ccc41f | 2069 | |
4d905f63 | 2070 | /* This is for a corner case where we have a superclass |
6a609ad9 | 2071 | but no superclass fields. |
4d905f63 | 2072 | |
2073 | This can happen if we earlier failed to lay out this | |
2074 | class because its superclass was still in the process | |
2075 | of being laid out; this occurs when we have recursive | |
6a609ad9 | 2076 | class dependencies via inner classes. We must record |
2077 | the previous alias set and restore it after laying out | |
2078 | the class. | |
2079 | ||
2080 | FIXME: this really is a kludge. We should figure out a | |
2081 | way to lay out the class properly before this | |
2082 | happens. */ | |
ead29d98 | 2083 | if (TYPE_SIZE (klass) && CLASSTYPE_SUPER (klass) |
2084 | && integer_zerop (TYPE_SIZE (klass))) | |
6a609ad9 | 2085 | { |
ead29d98 | 2086 | TYPE_SIZE (klass) = NULL_TREE; |
2087 | previous_alias_set = TYPE_ALIAS_SET (klass); | |
2088 | TYPE_ALIAS_SET (klass) = -1; | |
6a609ad9 | 2089 | } |
4d905f63 | 2090 | |
ead29d98 | 2091 | if (! CLASS_LOADED_P (klass)) |
caa8fa37 | 2092 | { |
ead29d98 | 2093 | if (! CLASS_PARSED_P (klass)) |
caa8fa37 | 2094 | { |
2095 | read_zip_member (current_jcf, zdir, localToFile); | |
2096 | jcf_parse (current_jcf); | |
2097 | } | |
2098 | layout_class (current_class); | |
2099 | load_inner_classes (current_class); | |
2100 | } | |
2101 | ||
6a609ad9 | 2102 | if (previous_alias_set != -1) |
ead29d98 | 2103 | TYPE_ALIAS_SET (klass) = previous_alias_set; |
6a609ad9 | 2104 | |
caa8fa37 | 2105 | if (TYPE_SIZE (current_class) != error_mark_node) |
2106 | { | |
caa8fa37 | 2107 | parse_class_file (); |
4c36ffe6 | 2108 | free (current_jcf->buffer); /* No longer necessary */ |
caa8fa37 | 2109 | /* Note: there is a way to free this buffer right after a |
2110 | class seen in a zip file has been parsed. The idea is the | |
2111 | set its jcf in such a way that buffer will be reallocated | |
2112 | the time the code for the class will be generated. FIXME. */ | |
2113 | } | |
2114 | } | |
2115 | break; | |
2116 | ||
2117 | case 2: | |
2118 | { | |
2119 | char *file_name, *class_name_in_zip_dir, *buffer; | |
2120 | JCF *jcf; | |
4c36ffe6 | 2121 | file_name = XNEWVEC (char, zdir->filename_length + 1); |
caa8fa37 | 2122 | class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); |
2123 | strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); | |
2124 | file_name[zdir->filename_length] = '\0'; | |
4c36ffe6 | 2125 | jcf = XNEW (JCF); |
caa8fa37 | 2126 | JCF_ZERO (jcf); |
2127 | jcf->read_state = finput; | |
2128 | jcf->filbuf = jcf_filbuf_from_stdio; | |
caa8fa37 | 2129 | jcf->classname = NULL; |
2130 | jcf->filename = file_name; | |
2131 | jcf->zipd = zdir; | |
2132 | ||
2133 | if (read_zip_member (jcf, zdir, localToFile) < 0) | |
c05be867 | 2134 | fatal_error (input_location, |
2135 | "error while reading %s from zip file", file_name); | |
caa8fa37 | 2136 | |
4c36ffe6 | 2137 | buffer = XNEWVEC (char, zdir->filename_length + 1 + |
caa8fa37 | 2138 | (jcf->buffer_end - jcf->buffer)); |
2139 | strcpy (buffer, file_name); | |
97d9c1af | 2140 | /* This is not a typo: we overwrite the trailing \0 of the |
2141 | file name; this is just how the data is laid out. */ | |
2142 | memcpy (buffer + zdir->filename_length, | |
caa8fa37 | 2143 | jcf->buffer, jcf->buffer_end - jcf->buffer); |
2144 | ||
2145 | compile_resource_data (file_name, buffer, | |
2146 | jcf->buffer_end - jcf->buffer); | |
2147 | JCF_FINISH (jcf); | |
4c36ffe6 | 2148 | free (jcf); |
2149 | free (buffer); | |
caa8fa37 | 2150 | } |
2151 | break; | |
2152 | ||
2153 | default: | |
bc031ffe | 2154 | gcc_unreachable (); |
a31ac40f | 2155 | } |
377029eb | 2156 | } |
2157 | } | |
2158 | ||
2159 | /* Read all the entries of the zip file, creates a class and a JCF. Sets the | |
2160 | jcf up for further processing and link it to the created class. */ | |
2161 | ||
92b90214 | 2162 | static void |
2163 | process_zip_dir (FILE *finput) | |
377029eb | 2164 | { |
2165 | int i; | |
2166 | ZipDirectory *zdir; | |
2167 | ||
de9c2bdc | 2168 | for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory; |
2169 | i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir)) | |
377029eb | 2170 | { |
2171 | char *class_name, *file_name, *class_name_in_zip_dir; | |
ead29d98 | 2172 | tree klass; |
377029eb | 2173 | JCF *jcf; |
377029eb | 2174 | |
2175 | class_name_in_zip_dir = ZIPDIR_FILENAME (zdir); | |
2176 | ||
caa8fa37 | 2177 | /* Here we skip non-class files; we handle them later. */ |
2178 | if (classify_zip_file (zdir) != 1) | |
2179 | continue; | |
377029eb | 2180 | |
caa8fa37 | 2181 | class_name = compute_class_name (zdir); |
4c36ffe6 | 2182 | file_name = XNEWVEC (char, zdir->filename_length+1); |
25a27413 | 2183 | jcf = ggc_cleared_alloc<JCF> (); |
377029eb | 2184 | |
377029eb | 2185 | strncpy (file_name, class_name_in_zip_dir, zdir->filename_length); |
2186 | file_name [zdir->filename_length] = '\0'; | |
2187 | ||
ead29d98 | 2188 | klass = lookup_class (get_identifier (class_name)); |
377029eb | 2189 | |
ead29d98 | 2190 | if (CLASS_FROM_CURRENTLY_COMPILED_P (klass)) |
65bf3316 | 2191 | { |
2192 | /* We've already compiled this class. */ | |
2193 | duplicate_class_warning (file_name); | |
2194 | continue; | |
2195 | } | |
2196 | /* This function is only called when processing a zip file seen | |
2197 | on the command line. */ | |
ead29d98 | 2198 | CLASS_FROM_CURRENTLY_COMPILED_P (klass) = 1; |
65bf3316 | 2199 | |
377029eb | 2200 | jcf->read_state = finput; |
2201 | jcf->filbuf = jcf_filbuf_from_stdio; | |
377029eb | 2202 | jcf->classname = class_name; |
2203 | jcf->filename = file_name; | |
de9c2bdc | 2204 | jcf->zipd = zdir; |
377029eb | 2205 | |
ead29d98 | 2206 | TYPE_JCF (klass) = jcf; |
377029eb | 2207 | } |
2208 | } | |
2209 | ||
1f3233d1 | 2210 | #include "gt-java-jcf-parse.h" |
65bf3316 | 2211 | #include "gtype-java.h" |