1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA.
22 Java and all Java-based marks are trademarks or registered trademarks
23 of Sun Microsystems, Inc. in the United States and other countries.
24 The Free Software Foundation is independent of Sun Microsystems, Inc. */
26 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
30 #include "coretypes.h"
36 #include "java-tree.h"
39 #include "langhooks.h"
40 #include "langhooks-def.h"
44 #include "diagnostic.h"
45 #include "tree-inline.h"
46 #include "splay-tree.h"
47 #include "tree-dump.h"
49 #include "j-options.h"
51 static bool java_init (void);
52 static void java_finish (void);
53 static int java_init_options (void);
54 static bool java_post_options (const char **);
56 static int java_handle_option (size_t scode, const char *arg, int value);
57 static void put_decl_string (const char *, int);
58 static void put_decl_node (tree);
59 static void java_print_error_function (diagnostic_context *, const char *);
60 static tree java_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
62 static int java_unsafe_for_reeval (tree);
63 static int merge_init_test_initialization (void * *, void *);
64 static int inline_init_test_initialization (void * *, void *);
65 static bool java_can_use_bit_fields_p (void);
66 static bool java_dump_tree (void *, tree);
67 static void dump_compound_expr (dump_info_p, tree);
68 static bool java_decl_ok_for_sibcall (tree);
70 #ifndef TARGET_OBJECT_SUFFIX
71 # define TARGET_OBJECT_SUFFIX ".o"
74 /* Table indexed by tree code giving a string containing a character
75 classifying the tree code. Possibilities are
76 t, d, s, c, r, <, 1 and 2. See java/java-tree.def for details. */
78 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
80 const char tree_code_type[] = {
83 #include "java-tree.def"
87 /* Table indexed by tree code giving number of expression
88 operands beyond the fixed part of the node structure.
89 Not used for types or decls. */
91 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
93 const unsigned char tree_code_length[] = {
96 #include "java-tree.def"
100 /* Names of tree components.
101 Used for printing out the tree and error messages. */
102 #define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
104 const char *const tree_code_name[] = {
107 #include "java-tree.def"
111 /* Used to avoid printing error messages with bogus function
112 prototypes. Starts out false. */
113 static bool inhibit_error_function_printing;
115 int compiling_from_source;
117 const char *resource_name;
119 int flag_emit_class_files = 0;
121 /* Nonzero if input file is a file with a list of filenames to compile. */
123 int flag_filelist_file = 0;
125 /* When nonzero, we emit xref strings. Values of the flag for xref
126 backends are defined in xref_flag_table, xref.c. */
128 int flag_emit_xref = 0;
130 /* When nonzero, -Wall was turned on. */
133 /* When nonzero, check for redundant modifier uses. */
134 int flag_redundant = 0;
136 /* When nonzero, call a library routine to do integer divisions. */
137 int flag_use_divide_subroutine = 1;
139 /* When nonzero, generate code for the Boehm GC. */
140 int flag_use_boehm_gc = 0;
142 /* When nonzero, assume the runtime uses a hash table to map an
143 object to its synchronization structure. */
144 int flag_hash_synchronization;
146 /* When nonzero, permit the use of the assert keyword. */
149 /* When nonzero, assume all native functions are implemented with
153 /* When nonzero, warn when source file is newer than matching class
157 /* When nonzero, generate checks for references to NULL. */
158 int flag_check_references = 0;
160 /* The encoding of the source file. */
161 const char *current_encoding = NULL;
163 /* When nonzero, report the now deprecated empty statements. */
164 int flag_extraneous_semicolon;
166 /* When nonzero, report use of deprecated classes, methods, or fields. */
167 int flag_deprecated = 1;
169 /* When nonzero, always check for a non gcj generated classes archive. */
170 int flag_force_classes_archive_check;
172 /* When zero, don't optimize static class initialization. This flag shouldn't
173 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
174 int flag_optimize_sci = 1;
176 /* When nonzero, use offset tables for virtual method calls
177 in order to improve binary compatibility. */
178 int flag_indirect_dispatch = 0;
180 /* When zero, don't generate runtime array store checks. */
181 int flag_store_check = 1;
183 /* When nonzero, print extra version information. */
184 static int version_flag = 0;
186 /* Set nonzero if the user specified -finline-functions on the command
188 int flag_really_inline = 0;
192 /* Variable controlling how dependency tracking is enabled in
194 static int dependency_tracking = 0;
196 /* Flag values for DEPENDENCY_TRACKING. */
197 #define DEPEND_SET_FILE 1
198 #define DEPEND_ENABLE 2
199 #define DEPEND_TARGET_SET 4
200 #define DEPEND_FILE_ALREADY_SET 8
202 struct language_function GTY(())
207 #undef LANG_HOOKS_NAME
208 #define LANG_HOOKS_NAME "GNU Java"
209 #undef LANG_HOOKS_INIT
210 #define LANG_HOOKS_INIT java_init
211 #undef LANG_HOOKS_FINISH
212 #define LANG_HOOKS_FINISH java_finish
213 #undef LANG_HOOKS_INIT_OPTIONS
214 #define LANG_HOOKS_INIT_OPTIONS java_init_options
215 #undef LANG_HOOKS_HANDLE_OPTION
216 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
217 #undef LANG_HOOKS_POST_OPTIONS
218 #define LANG_HOOKS_POST_OPTIONS java_post_options
219 #undef LANG_HOOKS_PARSE_FILE
220 #define LANG_HOOKS_PARSE_FILE java_parse_file
221 #undef LANG_HOOKS_UNSAFE_FOR_REEVAL
222 #define LANG_HOOKS_UNSAFE_FOR_REEVAL java_unsafe_for_reeval
223 #undef LANG_HOOKS_MARK_ADDRESSABLE
224 #define LANG_HOOKS_MARK_ADDRESSABLE java_mark_addressable
225 #undef LANG_HOOKS_EXPAND_EXPR
226 #define LANG_HOOKS_EXPAND_EXPR java_expand_expr
227 #undef LANG_HOOKS_TRUTHVALUE_CONVERSION
228 #define LANG_HOOKS_TRUTHVALUE_CONVERSION java_truthvalue_conversion
229 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
230 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
231 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
232 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
233 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
234 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
235 #undef LANG_HOOKS_CAN_USE_BIT_FIELDS_P
236 #define LANG_HOOKS_CAN_USE_BIT_FIELDS_P java_can_use_bit_fields_p
238 #undef LANG_HOOKS_TYPE_FOR_MODE
239 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
240 #undef LANG_HOOKS_TYPE_FOR_SIZE
241 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
242 #undef LANG_HOOKS_SIGNED_TYPE
243 #define LANG_HOOKS_SIGNED_TYPE java_signed_type
244 #undef LANG_HOOKS_UNSIGNED_TYPE
245 #define LANG_HOOKS_UNSIGNED_TYPE java_unsigned_type
246 #undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
247 #define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE java_signed_or_unsigned_type
249 #undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
250 #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES java_tree_inlining_walk_subtrees
252 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
253 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
255 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
256 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
258 /* Each front end provides its own. */
259 const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
262 * process java-specific compiler command-line options
263 * return 0, but do not complain if the option is not recognized.
266 java_handle_option (size_t scode, const char *arg, int value)
268 const struct cl_option *option = &cl_options[scode];
269 enum opt_code code = (enum opt_code) scode;
271 /* Ignore file names. */
275 if (arg == NULL && (option->flags & (CL_JOINED | CL_SEPARATE)))
277 /* These can take an empty argument. */
278 if (code == OPT_fassume_compiled_
279 || code == OPT_fclasspath_
280 || code == OPT_fCLASSPATH_
281 || code == OPT_fbootclasspath_)
285 error ("missing argument to \"-%s\"", option->opt_text);
296 jcf_path_include_arg (arg);
300 jcf_dependency_init (1);
301 dependency_tracking |= DEPEND_ENABLE;
305 jcf_dependency_init (1);
306 dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
310 jcf_dependency_set_dep_file (arg);
314 jcf_dependency_init (0);
315 dependency_tracking |= DEPEND_ENABLE;
319 jcf_dependency_init (0);
320 dependency_tracking |= DEPEND_SET_FILE | DEPEND_ENABLE;
324 jcf_dependency_print_dummies ();
328 jcf_dependency_set_target (arg);
329 dependency_tracking |= DEPEND_TARGET_SET;
334 flag_redundant = value;
335 flag_extraneous_semicolon = value;
336 /* When -Wall given, enable -Wunused. We do this because the C
337 compiler does it, and people expect it. */
341 case OPT_Wdeprecated:
342 flag_deprecated = value;
345 case OPT_Wextraneous_semicolon:
346 flag_extraneous_semicolon = value;
349 case OPT_Wout_of_date:
353 case OPT_Wredundant_modifiers:
354 flag_redundant = value;
361 case OPT_fassume_compiled_:
362 add_assume_compiled (arg, !value);
365 case OPT_fassume_compiled:
366 add_assume_compiled ("", !value);
369 case OPT_fbootclasspath_:
370 jcf_path_bootclasspath_arg (arg);
373 case OPT_fcheck_references:
374 flag_check_references = value;
377 case OPT_fclasspath_:
378 case OPT_fCLASSPATH_:
379 jcf_path_classpath_arg (arg);
382 case OPT_fcompile_resource_:
387 if (!dump_switch_p (option->opt_text + strlen ("f")))
391 case OPT_femit_class_file:
392 case OPT_femit_class_files:
393 flag_emit_class_files = value;
397 current_encoding = arg;
401 jcf_path_extdirs_arg (arg);
404 case OPT_ffilelist_file:
405 flag_filelist_file = value;
408 case OPT_fforce_classes_archive_check:
409 flag_force_classes_archive_check = value;
412 case OPT_fhash_synchronization:
413 flag_hash_synchronization = value;
416 case OPT_findirect_dispatch:
417 flag_indirect_dispatch = value;
420 case OPT_finline_functions:
421 flag_inline_functions = value;
422 flag_really_inline = value;
429 case OPT_foptimize_static_class_initialization:
430 flag_optimize_sci = value;
433 case OPT_foutput_class_dir_:
434 jcf_write_base_directory = arg;
437 case OPT_fstore_check:
438 flag_store_check = value;
441 case OPT_fuse_boehm_gc:
442 flag_use_boehm_gc = value;
445 case OPT_fuse_divide_subroutine:
446 flag_use_divide_subroutine = value;
457 /* Global open file. */
464 extern int flag_minimal_debug;
465 flag_minimal_debug = 0;
468 if (flag_inline_functions)
469 flag_inline_trees = 1;
471 /* Force minimum function alignment if g++ uses the least significant
472 bit of function pointers to store the virtual bit. This is required
473 to keep vtables compatible. */
474 if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn
475 && force_align_functions_log < 1)
476 force_align_functions_log = 1;
478 jcf_path_seal (version_flag);
480 java_init_decl_processing ();
482 using_eh_for_cleanups ();
490 jcf_dependency_write ();
493 /* Buffer used by lang_printable_name. */
494 static char *decl_buf = NULL;
496 /* Allocated size of decl_buf. */
497 static int decl_buflen = 0;
499 /* Length of used part of decl_buf; position for next character. */
500 static int decl_bufpos = 0;
502 /* Append the string STR to decl_buf.
503 It length is given by LEN; -1 means the string is nul-terminated. */
506 put_decl_string (const char *str, int len)
510 if (decl_bufpos + len >= decl_buflen)
512 if (decl_buf == NULL)
514 decl_buflen = len + 100;
515 decl_buf = xmalloc (decl_buflen);
520 decl_buf = xrealloc (decl_buf, decl_buflen);
523 strcpy (decl_buf + decl_bufpos, str);
527 /* Append to decl_buf a printable name for NODE. */
530 put_decl_node (tree node)
533 if (TREE_CODE (node) == POINTER_TYPE)
535 node = TREE_TYPE (node);
538 if (TREE_CODE_CLASS (TREE_CODE (node)) == 'd'
539 && DECL_NAME (node) != NULL_TREE)
541 if (TREE_CODE (node) == FUNCTION_DECL)
543 /* We want to print the type the DECL belongs to. We don't do
544 that when we handle constructors. */
545 if (! DECL_CONSTRUCTOR_P (node)
546 && ! DECL_ARTIFICIAL (node) && DECL_CONTEXT (node))
548 put_decl_node (TYPE_NAME (DECL_CONTEXT (node)));
549 put_decl_string (".", 1);
551 if (! DECL_CONSTRUCTOR_P (node))
552 put_decl_node (DECL_NAME (node));
553 if (TREE_TYPE (node) != NULL_TREE)
556 tree args = TYPE_ARG_TYPES (TREE_TYPE (node));
557 if (TREE_CODE (TREE_TYPE (node)) == METHOD_TYPE)
558 args = TREE_CHAIN (args);
559 put_decl_string ("(", 1);
560 for ( ; args != end_params_node; args = TREE_CHAIN (args), i++)
563 put_decl_string (",", 1);
564 put_decl_node (TREE_VALUE (args));
566 put_decl_string (")", 1);
570 put_decl_node (DECL_NAME (node));
572 else if (TREE_CODE_CLASS (TREE_CODE (node)) == 't'
573 && TYPE_NAME (node) != NULL_TREE)
575 if (TREE_CODE (node) == RECORD_TYPE && TYPE_ARRAY_P (node))
577 put_decl_node (TYPE_ARRAY_ELEMENT (node));
578 put_decl_string("[]", 2);
580 else if (node == promoted_byte_type_node)
581 put_decl_string ("byte", 4);
582 else if (node == promoted_short_type_node)
583 put_decl_string ("short", 5);
584 else if (node == promoted_char_type_node)
585 put_decl_string ("char", 4);
586 else if (node == promoted_boolean_type_node)
587 put_decl_string ("boolean", 7);
588 else if (node == void_type_node && was_pointer)
589 put_decl_string ("null", 4);
591 put_decl_node (TYPE_NAME (node));
593 else if (TREE_CODE (node) == IDENTIFIER_NODE)
594 put_decl_string (IDENTIFIER_POINTER (node), IDENTIFIER_LENGTH (node));
596 put_decl_string ("<unknown>", -1);
599 /* Return a user-friendly name for DECL.
600 The resulting string is only valid until the next call.
601 The value of the hook decl_printable_name is this function,
602 which is also called directly by java_print_error_function. */
605 lang_printable_name (tree decl, int v __attribute__ ((__unused__)))
608 put_decl_node (decl);
609 put_decl_string ("", 1);
613 /* Does the same thing that lang_printable_name, but add a leading
614 space to the DECL name string -- With Leading Space. */
617 lang_printable_name_wls (tree decl, int v __attribute__ ((__unused__)))
620 put_decl_node (decl);
621 put_decl_string ("", 1);
626 /* Print on stderr the current class and method context. This function
627 is the value of the hook print_error_function. */
629 static GTY(()) tree last_error_function_context;
630 static GTY(()) tree last_error_function;
632 java_print_error_function (diagnostic_context *context ATTRIBUTE_UNUSED,
635 /* Don't print error messages with bogus function prototypes. */
636 if (inhibit_error_function_printing)
639 if (current_function_decl != NULL
640 && DECL_CONTEXT (current_function_decl) != last_error_function_context)
643 fprintf (stderr, "%s: ", file);
645 last_error_function_context = DECL_CONTEXT (current_function_decl);
646 fprintf (stderr, "In class `%s':\n",
647 lang_printable_name (last_error_function_context, 0));
649 if (last_error_function != current_function_decl)
652 fprintf (stderr, "%s: ", file);
654 if (current_function_decl == NULL)
655 fprintf (stderr, "At top level:\n");
658 const char *name = lang_printable_name (current_function_decl, 2);
659 fprintf (stderr, "In %s `%s':\n",
660 (DECL_CONSTRUCTOR_P (current_function_decl) ? "constructor"
665 last_error_function = current_function_decl;
670 /* Called to install the PRINT_ERROR_FUNCTION hook differently
671 according to LEVEL. LEVEL is 1 during early parsing, when function
672 prototypes aren't fully resolved. java_print_error_function is set
673 so it doesn't print incomplete function prototypes. When LEVEL is
674 2, function prototypes are fully resolved and can be printed when
677 void lang_init_source (int level)
679 inhibit_error_function_printing = (level == 1);
683 java_init_options (void)
685 flag_bounds_check = 1;
687 flag_non_call_exceptions = 1;
689 /* In Java floating point operations never trap. */
690 flag_trapping_math = 0;
692 /* In Java arithmetic overflow always wraps around. */
701 java_can_use_bit_fields_p (void)
703 /* The bit-field optimizations cause problems when generating class
705 return flag_emit_class_files ? false : true;
708 /* Post-switch processing. */
710 java_post_options (const char **pfilename)
712 const char *filename = *pfilename;
714 /* Use tree inlining if possible. Function instrumentation is only
715 done in the RTL level, so we disable tree inlining. */
716 if (! flag_instrument_function_entry_exit)
720 if (flag_inline_functions)
722 flag_inline_trees = 2;
723 flag_inline_functions = 0;
727 /* Open input file. */
729 if (filename == 0 || !strcmp (filename, "-"))
734 if (dependency_tracking)
735 error ("can't do dependency tracking with input from stdin");
739 if (dependency_tracking)
743 /* If the target is set and the output filename is set, then
744 there's no processing to do here. Otherwise we must
745 compute one or the other. */
746 if (! ((dependency_tracking & DEPEND_TARGET_SET)
747 && (dependency_tracking & DEPEND_FILE_ALREADY_SET)))
749 dot = strrchr (filename, '.');
751 error ("couldn't determine target name for dependency tracking");
754 char *buf = xmalloc (dot - filename +
755 3 + sizeof (TARGET_OBJECT_SUFFIX));
756 strncpy (buf, filename, dot - filename);
758 /* If emitting class files, we might have multiple
759 targets. The class generation code takes care of
760 registering them. Otherwise we compute the
762 if ((dependency_tracking & DEPEND_TARGET_SET))
764 else if (flag_emit_class_files)
765 jcf_dependency_set_target (NULL);
768 strcpy (buf + (dot - filename), TARGET_OBJECT_SUFFIX);
769 jcf_dependency_set_target (buf);
772 if ((dependency_tracking & DEPEND_FILE_ALREADY_SET))
774 else if ((dependency_tracking & DEPEND_SET_FILE))
776 strcpy (buf + (dot - filename), ".d");
777 jcf_dependency_set_dep_file (buf);
780 jcf_dependency_set_dep_file ("-");
788 /* Initialize the compiler back end. */
792 /* Return either DECL or its known constant value (if it has one). */
795 decl_constant_value (tree decl)
797 if (/* Don't change a variable array bound or initial value to a constant
798 in a place where a variable is invalid. */
799 current_function_decl != 0
800 && ! TREE_THIS_VOLATILE (decl)
801 && TREE_READONLY (decl)
802 && DECL_INITIAL (decl) != 0
803 && TREE_CODE (DECL_INITIAL (decl)) != ERROR_MARK
804 /* This is invalid if initial value is not constant.
805 If it has either a function call, a memory reference,
806 or a variable, then re-evaluating it could give different results. */
807 && TREE_CONSTANT (DECL_INITIAL (decl))
808 /* Check for cases where this is sub-optimal, even though valid. */
809 && TREE_CODE (DECL_INITIAL (decl)) != CONSTRUCTOR)
810 return DECL_INITIAL (decl);
814 /* Walk the language specific tree nodes during inlining. */
817 java_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED,
818 int *subtrees ATTRIBUTE_UNUSED,
819 walk_tree_fn func ATTRIBUTE_UNUSED,
820 void *data ATTRIBUTE_UNUSED,
821 void *htab ATTRIBUTE_UNUSED)
826 #define WALK_SUBTREE(NODE) \
829 result = walk_tree (&(NODE), func, data, htab); \
839 code = TREE_CODE (t);
843 if (BLOCK_EXPR_BODY (t))
845 tree *prev = &BLOCK_EXPR_BODY (*tp);
848 WALK_SUBTREE (*prev);
849 prev = &TREE_CHAIN (*prev);
860 /* Called from unsafe_for_reeval. */
862 java_unsafe_for_reeval (tree t)
864 switch (TREE_CODE (t))
867 /* Our expander tries to expand the variables twice. Boom. */
868 if (BLOCK_EXPR_DECLS (t) != NULL)
870 return unsafe_for_reeval (BLOCK_EXPR_BODY (t));
879 /* Every call to a static constructor has an associated boolean
880 variable which is in the outermost scope of the calling method.
881 This variable is used to avoid multiple calls to the static
882 constructor for each class.
884 It looks something like this:
888 boolean dummy = OtherClass.is_initialized;
893 OtherClass.initialize();
895 ... use OtherClass.data ...
898 Each of these boolean variables has an entry in the
899 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
900 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
901 being inlined and create the boolean variables in the outermost
902 scope of the method being inlined into. */
904 /* Create a mapping from a boolean variable in a method being inlined
905 to one in the scope of the method being inlined into. */
908 merge_init_test_initialization (void **entry, void *x)
910 struct treetreehash_entry *ite = (struct treetreehash_entry *) *entry;
911 splay_tree decl_map = (splay_tree)x;
913 tree *init_test_decl;
915 /* See if we have remapped this declaration. If we haven't there's
916 a bug in the inliner. */
917 n = splay_tree_lookup (decl_map, (splay_tree_key) ite->value);
921 /* Create a new entry for the class and its remapped boolean
922 variable. If we already have a mapping for this class we've
923 already initialized it, so don't overwrite the value. */
924 init_test_decl = java_treetreehash_new
925 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl), ite->key);
926 if (!*init_test_decl)
927 *init_test_decl = (tree)n->value;
932 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
936 java_inlining_merge_static_initializers (tree fn, void *decl_map)
939 (DECL_FUNCTION_INIT_TEST_TABLE (fn),
940 merge_init_test_initialization, decl_map);
943 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
944 inlining into. If we already have a corresponding entry in that
945 class we don't need to create another one, so we create a mapping
946 from the variable in the inlined class to the corresponding
950 inline_init_test_initialization (void **entry, void *x)
952 struct treetreehash_entry *ite = (struct treetreehash_entry *) *entry;
953 splay_tree decl_map = (splay_tree)x;
955 tree h = java_treetreehash_find
956 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl), ite->key);
960 splay_tree_insert (decl_map,
961 (splay_tree_key) ite->value,
962 (splay_tree_value) h);
967 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
968 of a method being inlined. For each hone, if we already have a
969 variable associated with the same class in the method being inlined
970 into, create a new mapping for it. */
973 java_inlining_map_static_initializers (tree fn, void *decl_map)
976 (DECL_FUNCTION_INIT_TEST_TABLE (fn),
977 inline_init_test_initialization, decl_map);
980 /* Avoid voluminous output for deep recursion of compound exprs. */
983 dump_compound_expr (dump_info_p di, tree t)
989 switch (TREE_CODE (TREE_OPERAND (t, i)))
992 dump_compound_expr (di, TREE_OPERAND (t, i));
995 case EXPR_WITH_FILE_LOCATION:
997 tree wfl_node = EXPR_WFL_NODE (TREE_OPERAND (t, i));
998 dump_child ("expr", wfl_node);
1003 dump_child ("expr", TREE_OPERAND (t, i));
1009 java_dump_tree (void *dump_info, tree t)
1011 enum tree_code code;
1012 dump_info_p di = (dump_info_p) dump_info;
1014 /* Figure out what kind of node this is. */
1015 code = TREE_CODE (t);
1020 dump_child ("args", DECL_ARGUMENTS (t));
1021 if (DECL_EXTERNAL (t))
1022 dump_string (di, "undefined");
1023 if (TREE_PUBLIC (t))
1024 dump_string (di, "extern");
1026 dump_string (di, "static");
1027 if (DECL_LANG_SPECIFIC (t))
1028 dump_child ("body", DECL_FUNCTION_BODY (t));
1029 if (DECL_LANG_SPECIFIC (t) && !dump_flag (di, TDF_SLIM, t))
1030 dump_child ("inline body", DECL_SAVED_TREE (t));
1034 dump_child ("expr", TREE_OPERAND (t, 0));
1038 dump_child ("goto", TREE_OPERAND (t, 0));
1042 dump_child ("label", TREE_OPERAND (t, 0));
1045 case LABELED_BLOCK_EXPR:
1046 dump_child ("label", TREE_OPERAND (t, 0));
1047 dump_child ("block", TREE_OPERAND (t, 1));
1050 case EXIT_BLOCK_EXPR:
1051 dump_child ("block", TREE_OPERAND (t, 0));
1052 dump_child ("val", TREE_OPERAND (t, 1));
1056 if (BLOCK_EXPR_BODY (t))
1058 tree local = BLOCK_VARS (t);
1061 tree next = TREE_CHAIN (local);
1062 dump_child ("var", local);
1067 tree block = BLOCK_EXPR_BODY (t);
1068 dump_child ("body", block);
1069 block = TREE_CHAIN (block);
1075 if (!dump_flag (di, TDF_SLIM, t))
1077 dump_compound_expr (di, t);
1086 /* Java calls can't, in general, be sibcalls because we need an
1087 accurate stack trace in order to guarantee correct operation of
1088 methods such as Class.forName(String) and
1089 SecurityManager.getClassContext(). */
1092 java_decl_ok_for_sibcall (tree decl)
1094 return decl != NULL && DECL_CONTEXT (decl) == current_class;
1097 #include "gt-java-lang.h"