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
);
311 dependency_tracking
|= DEPEND_FILE_ALREADY_SET
;
315 jcf_dependency_init (0);
316 dependency_tracking
|= DEPEND_ENABLE
;
320 jcf_dependency_init (0);
321 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
325 jcf_dependency_print_dummies ();
329 jcf_dependency_set_target (arg
);
330 dependency_tracking
|= DEPEND_TARGET_SET
;
335 flag_redundant
= value
;
336 flag_extraneous_semicolon
= value
;
337 /* When -Wall given, enable -Wunused. We do this because the C
338 compiler does it, and people expect it. */
342 case OPT_Wdeprecated
:
343 flag_deprecated
= value
;
346 case OPT_Wextraneous_semicolon
:
347 flag_extraneous_semicolon
= value
;
350 case OPT_Wout_of_date
:
354 case OPT_Wredundant_modifiers
:
355 flag_redundant
= value
;
362 case OPT_fassume_compiled_
:
363 add_assume_compiled (arg
, !value
);
366 case OPT_fassume_compiled
:
367 add_assume_compiled ("", !value
);
370 case OPT_fbootclasspath_
:
371 jcf_path_bootclasspath_arg (arg
);
374 case OPT_fcheck_references
:
375 flag_check_references
= value
;
378 case OPT_fclasspath_
:
379 case OPT_fCLASSPATH_
:
380 jcf_path_classpath_arg (arg
);
383 case OPT_fcompile_resource_
:
388 if (!dump_switch_p (option
->opt_text
+ strlen ("f")))
392 case OPT_femit_class_file
:
393 case OPT_femit_class_files
:
394 flag_emit_class_files
= value
;
398 current_encoding
= arg
;
402 jcf_path_extdirs_arg (arg
);
405 case OPT_ffilelist_file
:
406 flag_filelist_file
= value
;
409 case OPT_fforce_classes_archive_check
:
410 flag_force_classes_archive_check
= value
;
413 case OPT_fhash_synchronization
:
414 flag_hash_synchronization
= value
;
417 case OPT_findirect_dispatch
:
418 flag_indirect_dispatch
= value
;
421 case OPT_finline_functions
:
422 flag_inline_functions
= value
;
423 flag_really_inline
= value
;
430 case OPT_foptimize_static_class_initialization
:
431 flag_optimize_sci
= value
;
434 case OPT_foutput_class_dir_
:
435 jcf_write_base_directory
= arg
;
438 case OPT_fstore_check
:
439 flag_store_check
= value
;
442 case OPT_fuse_boehm_gc
:
443 flag_use_boehm_gc
= value
;
446 case OPT_fuse_divide_subroutine
:
447 flag_use_divide_subroutine
= value
;
458 /* Global open file. */
465 extern int flag_minimal_debug
;
466 flag_minimal_debug
= 0;
469 if (flag_inline_functions
)
470 flag_inline_trees
= 1;
472 /* Force minimum function alignment if g++ uses the least significant
473 bit of function pointers to store the virtual bit. This is required
474 to keep vtables compatible. */
475 if (TARGET_PTRMEMFUNC_VBIT_LOCATION
== ptrmemfunc_vbit_in_pfn
476 && force_align_functions_log
< 1)
477 force_align_functions_log
= 1;
479 jcf_path_seal (version_flag
);
481 java_init_decl_processing ();
483 using_eh_for_cleanups ();
491 jcf_dependency_write ();
494 /* Buffer used by lang_printable_name. */
495 static char *decl_buf
= NULL
;
497 /* Allocated size of decl_buf. */
498 static int decl_buflen
= 0;
500 /* Length of used part of decl_buf; position for next character. */
501 static int decl_bufpos
= 0;
503 /* Append the string STR to decl_buf.
504 It length is given by LEN; -1 means the string is nul-terminated. */
507 put_decl_string (const char *str
, int len
)
511 if (decl_bufpos
+ len
>= decl_buflen
)
513 if (decl_buf
== NULL
)
515 decl_buflen
= len
+ 100;
516 decl_buf
= xmalloc (decl_buflen
);
521 decl_buf
= xrealloc (decl_buf
, decl_buflen
);
524 strcpy (decl_buf
+ decl_bufpos
, str
);
528 /* Append to decl_buf a printable name for NODE. */
531 put_decl_node (tree node
)
534 if (TREE_CODE (node
) == POINTER_TYPE
)
536 node
= TREE_TYPE (node
);
539 if (TREE_CODE_CLASS (TREE_CODE (node
)) == 'd'
540 && DECL_NAME (node
) != NULL_TREE
)
542 if (TREE_CODE (node
) == FUNCTION_DECL
)
544 /* We want to print the type the DECL belongs to. We don't do
545 that when we handle constructors. */
546 if (! DECL_CONSTRUCTOR_P (node
)
547 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
))
549 put_decl_node (TYPE_NAME (DECL_CONTEXT (node
)));
550 put_decl_string (".", 1);
552 if (! DECL_CONSTRUCTOR_P (node
))
553 put_decl_node (DECL_NAME (node
));
554 if (TREE_TYPE (node
) != NULL_TREE
)
557 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
558 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
559 args
= TREE_CHAIN (args
);
560 put_decl_string ("(", 1);
561 for ( ; args
!= end_params_node
; args
= TREE_CHAIN (args
), i
++)
564 put_decl_string (",", 1);
565 put_decl_node (TREE_VALUE (args
));
567 put_decl_string (")", 1);
571 put_decl_node (DECL_NAME (node
));
573 else if (TREE_CODE_CLASS (TREE_CODE (node
)) == 't'
574 && TYPE_NAME (node
) != NULL_TREE
)
576 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
))
578 put_decl_node (TYPE_ARRAY_ELEMENT (node
));
579 put_decl_string("[]", 2);
581 else if (node
== promoted_byte_type_node
)
582 put_decl_string ("byte", 4);
583 else if (node
== promoted_short_type_node
)
584 put_decl_string ("short", 5);
585 else if (node
== promoted_char_type_node
)
586 put_decl_string ("char", 4);
587 else if (node
== promoted_boolean_type_node
)
588 put_decl_string ("boolean", 7);
589 else if (node
== void_type_node
&& was_pointer
)
590 put_decl_string ("null", 4);
592 put_decl_node (TYPE_NAME (node
));
594 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
595 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
597 put_decl_string ("<unknown>", -1);
600 /* Return a user-friendly name for DECL.
601 The resulting string is only valid until the next call.
602 The value of the hook decl_printable_name is this function,
603 which is also called directly by java_print_error_function. */
606 lang_printable_name (tree decl
, int v
__attribute__ ((__unused__
)))
609 put_decl_node (decl
);
610 put_decl_string ("", 1);
614 /* Does the same thing that lang_printable_name, but add a leading
615 space to the DECL name string -- With Leading Space. */
618 lang_printable_name_wls (tree decl
, int v
__attribute__ ((__unused__
)))
621 put_decl_node (decl
);
622 put_decl_string ("", 1);
627 /* Print on stderr the current class and method context. This function
628 is the value of the hook print_error_function. */
630 static GTY(()) tree last_error_function_context
;
631 static GTY(()) tree last_error_function
;
633 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
636 /* Don't print error messages with bogus function prototypes. */
637 if (inhibit_error_function_printing
)
640 if (current_function_decl
!= NULL
641 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
644 fprintf (stderr
, "%s: ", file
);
646 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
647 fprintf (stderr
, "In class `%s':\n",
648 lang_printable_name (last_error_function_context
, 0));
650 if (last_error_function
!= current_function_decl
)
653 fprintf (stderr
, "%s: ", file
);
655 if (current_function_decl
== NULL
)
656 fprintf (stderr
, "At top level:\n");
659 const char *name
= lang_printable_name (current_function_decl
, 2);
660 fprintf (stderr
, "In %s `%s':\n",
661 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
666 last_error_function
= current_function_decl
;
671 /* Called to install the PRINT_ERROR_FUNCTION hook differently
672 according to LEVEL. LEVEL is 1 during early parsing, when function
673 prototypes aren't fully resolved. java_print_error_function is set
674 so it doesn't print incomplete function prototypes. When LEVEL is
675 2, function prototypes are fully resolved and can be printed when
678 void lang_init_source (int level
)
680 inhibit_error_function_printing
= (level
== 1);
684 java_init_options (void)
686 flag_bounds_check
= 1;
688 flag_non_call_exceptions
= 1;
690 /* In Java floating point operations never trap. */
691 flag_trapping_math
= 0;
693 /* In Java arithmetic overflow always wraps around. */
702 java_can_use_bit_fields_p (void)
704 /* The bit-field optimizations cause problems when generating class
706 return flag_emit_class_files
? false : true;
709 /* Post-switch processing. */
711 java_post_options (const char **pfilename
)
713 const char *filename
= *pfilename
;
715 /* Use tree inlining if possible. Function instrumentation is only
716 done in the RTL level, so we disable tree inlining. */
717 if (! flag_instrument_function_entry_exit
)
721 if (flag_inline_functions
)
723 flag_inline_trees
= 2;
724 flag_inline_functions
= 0;
728 /* Open input file. */
730 if (filename
== 0 || !strcmp (filename
, "-"))
735 if (dependency_tracking
)
736 error ("can't do dependency tracking with input from stdin");
740 if (dependency_tracking
)
744 /* If the target is set and the output filename is set, then
745 there's no processing to do here. Otherwise we must
746 compute one or the other. */
747 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
748 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
750 dot
= strrchr (filename
, '.');
752 error ("couldn't determine target name for dependency tracking");
755 char *buf
= xmalloc (dot
- filename
+
756 3 + sizeof (TARGET_OBJECT_SUFFIX
));
757 strncpy (buf
, filename
, dot
- filename
);
759 /* If emitting class files, we might have multiple
760 targets. The class generation code takes care of
761 registering them. Otherwise we compute the
763 if ((dependency_tracking
& DEPEND_TARGET_SET
))
765 else if (flag_emit_class_files
)
766 jcf_dependency_set_target (NULL
);
769 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
770 jcf_dependency_set_target (buf
);
773 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
775 else if ((dependency_tracking
& DEPEND_SET_FILE
))
777 strcpy (buf
+ (dot
- filename
), ".d");
778 jcf_dependency_set_dep_file (buf
);
781 jcf_dependency_set_dep_file ("-");
789 /* Initialize the compiler back end. */
793 /* Return either DECL or its known constant value (if it has one). */
796 decl_constant_value (tree decl
)
798 if (/* Don't change a variable array bound or initial value to a constant
799 in a place where a variable is invalid. */
800 current_function_decl
!= 0
801 && ! TREE_THIS_VOLATILE (decl
)
802 && TREE_READONLY (decl
)
803 && DECL_INITIAL (decl
) != 0
804 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
805 /* This is invalid if initial value is not constant.
806 If it has either a function call, a memory reference,
807 or a variable, then re-evaluating it could give different results. */
808 && TREE_CONSTANT (DECL_INITIAL (decl
))
809 /* Check for cases where this is sub-optimal, even though valid. */
810 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
811 return DECL_INITIAL (decl
);
815 /* Walk the language specific tree nodes during inlining. */
818 java_tree_inlining_walk_subtrees (tree
*tp ATTRIBUTE_UNUSED
,
819 int *subtrees ATTRIBUTE_UNUSED
,
820 walk_tree_fn func ATTRIBUTE_UNUSED
,
821 void *data ATTRIBUTE_UNUSED
,
822 void *htab ATTRIBUTE_UNUSED
)
827 #define WALK_SUBTREE(NODE) \
830 result = walk_tree (&(NODE), func, data, htab); \
840 code
= TREE_CODE (t
);
844 if (BLOCK_EXPR_BODY (t
))
846 tree
*prev
= &BLOCK_EXPR_BODY (*tp
);
849 WALK_SUBTREE (*prev
);
850 prev
= &TREE_CHAIN (*prev
);
861 /* Called from unsafe_for_reeval. */
863 java_unsafe_for_reeval (tree t
)
865 switch (TREE_CODE (t
))
868 /* Our expander tries to expand the variables twice. Boom. */
869 if (BLOCK_EXPR_DECLS (t
) != NULL
)
871 return unsafe_for_reeval (BLOCK_EXPR_BODY (t
));
880 /* Every call to a static constructor has an associated boolean
881 variable which is in the outermost scope of the calling method.
882 This variable is used to avoid multiple calls to the static
883 constructor for each class.
885 It looks something like this:
889 boolean dummy = OtherClass.is_initialized;
894 OtherClass.initialize();
896 ... use OtherClass.data ...
899 Each of these boolean variables has an entry in the
900 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
901 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
902 being inlined and create the boolean variables in the outermost
903 scope of the method being inlined into. */
905 /* Create a mapping from a boolean variable in a method being inlined
906 to one in the scope of the method being inlined into. */
909 merge_init_test_initialization (void **entry
, void *x
)
911 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
912 splay_tree decl_map
= (splay_tree
)x
;
914 tree
*init_test_decl
;
916 /* See if we have remapped this declaration. If we haven't there's
917 a bug in the inliner. */
918 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
922 /* Create a new entry for the class and its remapped boolean
923 variable. If we already have a mapping for this class we've
924 already initialized it, so don't overwrite the value. */
925 init_test_decl
= java_treetreehash_new
926 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
927 if (!*init_test_decl
)
928 *init_test_decl
= (tree
)n
->value
;
933 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
937 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
940 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
941 merge_init_test_initialization
, decl_map
);
944 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
945 inlining into. If we already have a corresponding entry in that
946 class we don't need to create another one, so we create a mapping
947 from the variable in the inlined class to the corresponding
951 inline_init_test_initialization (void **entry
, void *x
)
953 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
954 splay_tree decl_map
= (splay_tree
)x
;
956 tree h
= java_treetreehash_find
957 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
961 splay_tree_insert (decl_map
,
962 (splay_tree_key
) ite
->value
,
963 (splay_tree_value
) h
);
968 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
969 of a method being inlined. For each hone, if we already have a
970 variable associated with the same class in the method being inlined
971 into, create a new mapping for it. */
974 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
977 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
978 inline_init_test_initialization
, decl_map
);
981 /* Avoid voluminous output for deep recursion of compound exprs. */
984 dump_compound_expr (dump_info_p di
, tree t
)
990 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
993 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
996 case EXPR_WITH_FILE_LOCATION
:
998 tree wfl_node
= EXPR_WFL_NODE (TREE_OPERAND (t
, i
));
999 dump_child ("expr", wfl_node
);
1004 dump_child ("expr", TREE_OPERAND (t
, i
));
1010 java_dump_tree (void *dump_info
, tree t
)
1012 enum tree_code code
;
1013 dump_info_p di
= (dump_info_p
) dump_info
;
1015 /* Figure out what kind of node this is. */
1016 code
= TREE_CODE (t
);
1021 dump_child ("args", DECL_ARGUMENTS (t
));
1022 if (DECL_EXTERNAL (t
))
1023 dump_string (di
, "undefined");
1024 if (TREE_PUBLIC (t
))
1025 dump_string (di
, "extern");
1027 dump_string (di
, "static");
1028 if (DECL_LANG_SPECIFIC (t
))
1029 dump_child ("body", DECL_FUNCTION_BODY (t
));
1030 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
1031 dump_child ("inline body", DECL_SAVED_TREE (t
));
1035 dump_child ("expr", TREE_OPERAND (t
, 0));
1039 dump_child ("goto", TREE_OPERAND (t
, 0));
1043 dump_child ("label", TREE_OPERAND (t
, 0));
1046 case LABELED_BLOCK_EXPR
:
1047 dump_child ("label", TREE_OPERAND (t
, 0));
1048 dump_child ("block", TREE_OPERAND (t
, 1));
1051 case EXIT_BLOCK_EXPR
:
1052 dump_child ("block", TREE_OPERAND (t
, 0));
1053 dump_child ("val", TREE_OPERAND (t
, 1));
1057 if (BLOCK_EXPR_BODY (t
))
1059 tree local
= BLOCK_VARS (t
);
1062 tree next
= TREE_CHAIN (local
);
1063 dump_child ("var", local
);
1068 tree block
= BLOCK_EXPR_BODY (t
);
1069 dump_child ("body", block
);
1070 block
= TREE_CHAIN (block
);
1076 if (!dump_flag (di
, TDF_SLIM
, t
))
1078 dump_compound_expr (di
, t
);
1087 /* Java calls can't, in general, be sibcalls because we need an
1088 accurate stack trace in order to guarantee correct operation of
1089 methods such as Class.forName(String) and
1090 SecurityManager.getClassContext(). */
1093 java_decl_ok_for_sibcall (tree decl
)
1095 return decl
!= NULL
&& DECL_CONTEXT (decl
) == current_class
;
1098 #include "gt-java-lang.h"