1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008, 2010 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 3, 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 COPYING3. If not see
19 <http://www.gnu.org/licenses/>.
21 Java and all Java-based marks are trademarks or registered trademarks
22 of Sun Microsystems, Inc. in the United States and other countries.
23 The Free Software Foundation is independent of Sun Microsystems, Inc. */
25 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
29 #include "coretypes.h"
33 #include "java-tree.h"
36 #include "langhooks.h"
37 #include "langhooks-def.h"
40 #include "diagnostic.h"
41 #include "tree-inline.h"
42 #include "splay-tree.h"
43 #include "tree-dump.h"
47 static bool java_init (void);
48 static void java_finish (void);
49 static unsigned int java_option_lang_mask (void);
50 static void java_init_options (unsigned int, struct cl_decoded_option
*);
51 static bool java_post_options (const char **);
53 static bool java_handle_option (size_t, const char *, int, int,
54 const struct cl_option_handlers
*);
55 static void put_decl_string (const char *, int);
56 static void put_decl_node (tree
, int);
57 static void java_print_error_function (diagnostic_context
*, const char *,
59 static int merge_init_test_initialization (void * *, void *);
60 static int inline_init_test_initialization (void * *, void *);
61 static bool java_dump_tree (void *, tree
);
62 static void dump_compound_expr (dump_info_p
, tree
);
63 static bool java_decl_ok_for_sibcall (const_tree
);
65 static enum classify_record
java_classify_record (tree type
);
67 static tree
java_eh_personality (void);
69 #ifndef TARGET_OBJECT_SUFFIX
70 # define TARGET_OBJECT_SUFFIX ".o"
73 /* Table of machine-independent attributes. */
74 const struct attribute_spec java_attribute_table
[] =
76 { "nonnull", 0, -1, false, true, true,
78 { NULL
, 0, 0, false, false, false, NULL
}
81 /* Used to avoid printing error messages with bogus function
82 prototypes. Starts out false. */
83 static bool inhibit_error_function_printing
;
85 const char *resource_name
;
87 /* When nonzero, -Wall was turned on. */
90 /* When nonzero, report use of deprecated classes, methods, or fields. */
91 int flag_deprecated
= 1;
93 /* When zero, don't optimize static class initialization. This flag shouldn't
94 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
95 /* FIXME: Make this work with gimplify. */
96 /* int flag_optimize_sci = 0; */
98 /* Don't attempt to verify invocations. */
99 int flag_verify_invocations
= 0;
101 /* When nonzero, print extra version information. */
102 static int v_flag
= 0;
106 /* Variable controlling how dependency tracking is enabled in
108 static int dependency_tracking
= 0;
110 /* Flag values for DEPENDENCY_TRACKING. */
111 #define DEPEND_SET_FILE 1
112 #define DEPEND_ENABLE 2
113 #define DEPEND_TARGET_SET 4
114 #define DEPEND_FILE_ALREADY_SET 8
116 struct GTY(()) language_function
{
120 #undef LANG_HOOKS_NAME
121 #define LANG_HOOKS_NAME "GNU Java"
122 #undef LANG_HOOKS_INIT
123 #define LANG_HOOKS_INIT java_init
124 #undef LANG_HOOKS_FINISH
125 #define LANG_HOOKS_FINISH java_finish
126 #undef LANG_HOOKS_OPTION_LANG_MASK
127 #define LANG_HOOKS_OPTION_LANG_MASK java_option_lang_mask
128 #undef LANG_HOOKS_INIT_OPTIONS
129 #define LANG_HOOKS_INIT_OPTIONS java_init_options
130 #undef LANG_HOOKS_HANDLE_OPTION
131 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
132 #undef LANG_HOOKS_POST_OPTIONS
133 #define LANG_HOOKS_POST_OPTIONS java_post_options
134 #undef LANG_HOOKS_PARSE_FILE
135 #define LANG_HOOKS_PARSE_FILE java_parse_file
136 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
137 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
138 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
139 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
140 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
141 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
142 #undef LANG_HOOKS_WRITE_GLOBALS
143 #define LANG_HOOKS_WRITE_GLOBALS java_write_globals
145 #undef LANG_HOOKS_TYPE_FOR_MODE
146 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
147 #undef LANG_HOOKS_TYPE_FOR_SIZE
148 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
149 #undef LANG_HOOKS_CLASSIFY_RECORD
150 #define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
152 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
153 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
155 #undef LANG_HOOKS_GIMPLIFY_EXPR
156 #define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
158 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
159 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
161 #undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
162 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
164 #undef LANG_HOOKS_ATTRIBUTE_TABLE
165 #define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
167 #undef LANG_HOOKS_EH_PERSONALITY
168 #define LANG_HOOKS_EH_PERSONALITY java_eh_personality
170 #undef LANG_HOOKS_EH_USE_CXA_END_CLEANUP
171 #define LANG_HOOKS_EH_USE_CXA_END_CLEANUP true
173 /* Each front end provides its own. */
174 struct lang_hooks lang_hooks
= LANG_HOOKS_INITIALIZER
;
177 * process java-specific compiler command-line options
178 * return false, but do not complain if the option is not recognized.
181 java_handle_option (size_t scode
, const char *arg
, int value
,
182 int kind ATTRIBUTE_UNUSED
,
183 const struct cl_option_handlers
*handlers ATTRIBUTE_UNUSED
)
185 enum opt_code code
= (enum opt_code
) scode
;
190 jcf_path_include_arg (arg
);
194 jcf_dependency_init (1);
195 dependency_tracking
|= DEPEND_ENABLE
;
199 jcf_dependency_init (1);
200 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
204 jcf_dependency_set_dep_file (arg
);
205 dependency_tracking
|= DEPEND_FILE_ALREADY_SET
;
209 jcf_dependency_init (0);
210 dependency_tracking
|= DEPEND_ENABLE
;
214 jcf_dependency_init (0);
215 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
219 jcf_dependency_print_dummies ();
223 jcf_dependency_set_target (arg
);
224 dependency_tracking
|= DEPEND_TARGET_SET
;
229 /* When -Wall given, enable -Wunused. We do this because the C
230 compiler does it, and people expect it. */
234 case OPT_fenable_assertions_
:
235 add_enable_assert (arg
, value
);
238 case OPT_fenable_assertions
:
239 add_enable_assert ("", value
);
242 case OPT_fdisable_assertions_
:
243 add_enable_assert (arg
, !value
);
246 case OPT_fdisable_assertions
:
247 add_enable_assert ("", !value
);
250 case OPT_fassume_compiled_
:
251 add_assume_compiled (arg
, !value
);
254 case OPT_fassume_compiled
:
255 add_assume_compiled ("", !value
);
258 case OPT_fbootclasspath_
:
259 jcf_path_bootclasspath_arg (arg
);
262 case OPT_faux_classpath
:
263 case OPT_fclasspath_
:
264 case OPT_fCLASSPATH_
:
265 jcf_path_classpath_arg (arg
);
268 case OPT_fcompile_resource_
:
273 if (!dump_switch_p (arg
))
282 jcf_path_extdirs_arg (arg
);
285 case OPT_foutput_class_dir_
:
286 /* FIXME: remove; this is handled by ecj1 now. */
293 case OPT_fsource_filename_
:
294 java_read_sourcefilenames (arg
);
298 if (cl_options
[code
].flags
& CL_Java
)
306 /* Global open file. */
312 /* FIXME: Indirect dispatch isn't yet compatible with static class
313 init optimization. */
314 if (flag_indirect_dispatch
)
315 always_initialize_class_p
= true;
317 if (!flag_indirect_dispatch
)
318 flag_indirect_classes
= false;
320 jcf_path_seal (v_flag
);
322 java_init_decl_processing ();
324 using_eh_for_cleanups ();
332 jcf_dependency_write ();
335 /* Buffer used by lang_printable_name. */
336 static char *decl_buf
= NULL
;
338 /* Allocated size of decl_buf. */
339 static int decl_buflen
= 0;
341 /* Length of used part of decl_buf; position for next character. */
342 static int decl_bufpos
= 0;
344 /* Append the string STR to decl_buf.
345 It length is given by LEN; -1 means the string is nul-terminated. */
348 put_decl_string (const char *str
, int len
)
352 if (decl_bufpos
+ len
>= decl_buflen
)
354 if (decl_buf
== NULL
)
356 decl_buflen
= len
+ 100;
357 decl_buf
= XNEWVEC (char, decl_buflen
);
362 decl_buf
= XRESIZEVAR (char, decl_buf
, decl_buflen
);
365 strcpy (decl_buf
+ decl_bufpos
, str
);
369 /* Append to decl_buf a printable name for NODE.
370 Depending on VERBOSITY, more information about NODE
371 is printed. Read the comments of decl_printable_name in
372 langhooks.h for more. */
375 put_decl_node (tree node
, int verbosity
)
378 if (TREE_CODE (node
) == POINTER_TYPE
)
380 node
= TREE_TYPE (node
);
383 if (DECL_P (node
) && DECL_NAME (node
) != NULL_TREE
)
385 if (TREE_CODE (node
) == FUNCTION_DECL
)
387 if (verbosity
== 0 && DECL_NAME (node
))
388 /* We have been instructed to just print the bare name
391 put_decl_node (DECL_NAME (node
), 0);
395 /* We want to print the type the DECL belongs to. We don't do
396 that when we handle constructors. */
397 if (! DECL_CONSTRUCTOR_P (node
)
398 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
)
399 /* We want to print qualified DECL names only
400 if verbosity is higher than 1. */
403 put_decl_node (TYPE_NAME (DECL_CONTEXT (node
)),
405 put_decl_string (".", 1);
407 if (! DECL_CONSTRUCTOR_P (node
))
408 put_decl_node (DECL_NAME (node
), verbosity
);
409 if (TREE_TYPE (node
) != NULL_TREE
410 /* We want to print function parameters only if verbosity
415 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
416 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
417 args
= TREE_CHAIN (args
);
418 put_decl_string ("(", 1);
419 for ( ; args
!= end_params_node
; args
= TREE_CHAIN (args
), i
++)
422 put_decl_string (",", 1);
423 put_decl_node (TREE_VALUE (args
), verbosity
);
425 put_decl_string (")", 1);
429 put_decl_node (DECL_NAME (node
), verbosity
);
431 else if (TYPE_P (node
) && TYPE_NAME (node
) != NULL_TREE
)
433 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
)
434 /* Print detailed array information only if verbosity is higher
438 put_decl_node (TYPE_ARRAY_ELEMENT (node
), verbosity
);
439 put_decl_string("[]", 2);
441 else if (node
== promoted_byte_type_node
)
442 put_decl_string ("byte", 4);
443 else if (node
== promoted_short_type_node
)
444 put_decl_string ("short", 5);
445 else if (node
== promoted_char_type_node
)
446 put_decl_string ("char", 4);
447 else if (node
== promoted_boolean_type_node
)
448 put_decl_string ("boolean", 7);
449 else if (node
== void_type_node
&& was_pointer
)
450 put_decl_string ("null", 4);
452 put_decl_node (TYPE_NAME (node
), verbosity
);
454 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
455 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
457 put_decl_string ("<unknown>", -1);
460 /* Return a user-friendly name for DECL.
461 The resulting string is only valid until the next call.
462 The value of the hook decl_printable_name is this function,
463 which is also called directly by java_print_error_function. */
466 lang_printable_name (tree decl
, int v
)
469 put_decl_node (decl
, v
);
470 put_decl_string ("", 1);
474 /* Print on stderr the current class and method context. This function
475 is the value of the hook print_error_function. */
477 static GTY(()) tree last_error_function_context
;
478 static GTY(()) tree last_error_function
;
480 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
482 diagnostic_info
*diagnostic ATTRIBUTE_UNUSED
)
484 /* Don't print error messages with bogus function prototypes. */
485 if (inhibit_error_function_printing
)
488 if (current_function_decl
!= NULL
489 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
492 fprintf (stderr
, "%s: ", file
);
494 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
495 fprintf (stderr
, "In class '%s':\n",
496 lang_printable_name (last_error_function_context
, 0));
498 if (last_error_function
!= current_function_decl
)
501 fprintf (stderr
, "%s: ", file
);
503 if (current_function_decl
== NULL
)
504 fprintf (stderr
, "At top level:\n");
507 const char *name
= lang_printable_name (current_function_decl
, 2);
508 fprintf (stderr
, "In %s '%s':\n",
509 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
514 last_error_function
= current_function_decl
;
519 /* Called to install the PRINT_ERROR_FUNCTION hook differently
520 according to LEVEL. LEVEL is 1 during early parsing, when function
521 prototypes aren't fully resolved. java_print_error_function is set
522 so it doesn't print incomplete function prototypes. When LEVEL is
523 2, function prototypes are fully resolved and can be printed when
527 lang_init_source (int level
)
529 inhibit_error_function_printing
= (level
== 1);
533 java_option_lang_mask (void)
539 java_init_options (unsigned int decoded_options_count ATTRIBUTE_UNUSED
,
540 struct cl_decoded_option
*decoded_options ATTRIBUTE_UNUSED
)
542 flag_bounds_check
= 1;
544 flag_non_call_exceptions
= 1;
546 /* In Java floating point operations never trap. */
547 flag_trapping_math
= 0;
549 /* In Java arithmetic overflow always wraps around. */
552 /* Java requires left-to-right evaluation of subexpressions. */
553 flag_evaluation_order
= 1;
558 /* Post-switch processing. */
560 java_post_options (const char **pfilename
)
562 const char *filename
= *pfilename
;
564 /* Excess precision other than "fast" requires front-end
566 if (flag_excess_precision_cmdline
== EXCESS_PRECISION_STANDARD
567 && TARGET_FLT_EVAL_METHOD_NON_DEFAULT
)
568 sorry ("-fexcess-precision=standard for Java");
569 flag_excess_precision_cmdline
= EXCESS_PRECISION_FAST
;
571 /* An absolute requirement: if we're not using indirect dispatch, we
572 must always verify everything. */
573 if (! flag_indirect_dispatch
)
574 flag_verify_invocations
= true;
576 if (flag_reduced_reflection
)
578 if (flag_indirect_dispatch
)
579 error ("-findirect-dispatch is incompatible "
580 "with -freduced-reflection");
582 error ("-fjni is incompatible with -freduced-reflection");
585 /* Open input file. */
587 if (filename
== 0 || !strcmp (filename
, "-"))
592 if (dependency_tracking
)
593 error ("can't do dependency tracking with input from stdin");
597 if (dependency_tracking
)
601 /* If the target is set and the output filename is set, then
602 there's no processing to do here. Otherwise we must
603 compute one or the other. */
604 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
605 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
607 dot
= strrchr (filename
, '.');
609 error ("couldn't determine target name for dependency tracking");
612 char *buf
= XNEWVEC (char, dot
- filename
+
613 3 + sizeof (TARGET_OBJECT_SUFFIX
));
614 strncpy (buf
, filename
, dot
- filename
);
616 /* If emitting class files, we might have multiple
617 targets. The class generation code takes care of
618 registering them. Otherwise we compute the
620 if ((dependency_tracking
& DEPEND_TARGET_SET
))
624 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
625 jcf_dependency_set_target (buf
);
628 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
630 else if ((dependency_tracking
& DEPEND_SET_FILE
))
632 strcpy (buf
+ (dot
- filename
), ".d");
633 jcf_dependency_set_dep_file (buf
);
636 jcf_dependency_set_dep_file ("-");
643 linemap_add (line_table
, LC_ENTER
, false, filename
, 0);
644 linemap_add (line_table
, LC_RENAME
, false, "<built-in>", 0);
646 /* Initialize the compiler back end. */
650 /* Return either DECL or its known constant value (if it has one). */
653 decl_constant_value (tree decl
)
655 if (/* Don't change a variable array bound or initial value to a constant
656 in a place where a variable is invalid. */
657 current_function_decl
!= 0
658 && ! TREE_THIS_VOLATILE (decl
)
659 && TREE_READONLY (decl
)
660 && DECL_INITIAL (decl
) != 0
661 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
662 /* This is invalid if initial value is not constant.
663 If it has either a function call, a memory reference,
664 or a variable, then re-evaluating it could give different results. */
665 && TREE_CONSTANT (DECL_INITIAL (decl
))
666 /* Check for cases where this is sub-optimal, even though valid. */
667 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
668 return DECL_INITIAL (decl
);
672 /* Every call to a static constructor has an associated boolean
673 variable which is in the outermost scope of the calling method.
674 This variable is used to avoid multiple calls to the static
675 constructor for each class.
677 It looks something like this:
681 boolean dummy = OtherClass.is_initialized;
686 OtherClass.initialize();
688 ... use OtherClass.data ...
691 Each of these boolean variables has an entry in the
692 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
693 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
694 being inlined and create the boolean variables in the outermost
695 scope of the method being inlined into. */
697 /* Create a mapping from a boolean variable in a method being inlined
698 to one in the scope of the method being inlined into. */
701 merge_init_test_initialization (void **entry
, void *x
)
703 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
704 splay_tree decl_map
= (splay_tree
)x
;
706 tree
*init_test_decl
;
708 /* See if we have remapped this declaration. If we haven't there's
709 a bug in the inliner. */
710 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
713 /* Create a new entry for the class and its remapped boolean
714 variable. If we already have a mapping for this class we've
715 already initialized it, so don't overwrite the value. */
716 init_test_decl
= java_treetreehash_new
717 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
718 if (!*init_test_decl
)
719 *init_test_decl
= (tree
)n
->value
;
721 /* This fixes a weird case.
723 The front end assumes that once we have called a method that
724 initializes some class, we can assume the class is initialized. It
725 does this by setting the DECL_INITIAL of the init_test_decl for that
726 class, and no initializations are emitted for that class.
728 However, what if the method that is supposed to do the initialization
729 is itself inlined in the caller? When expanding the called method
730 we'll assume that the class initialization has already been done,
731 because the DECL_INITIAL of the init_test_decl is set.
733 To fix this we remove the DECL_INITIAL (in the caller scope) of all
734 the init_test_decls corresponding to classes initialized by the
735 inlined method. This makes the caller no longer assume that the
736 method being inlined does any class initializations. */
737 DECL_INITIAL (*init_test_decl
) = NULL
;
742 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
746 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
749 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
750 merge_init_test_initialization
, decl_map
);
753 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
754 inlining into. If we already have a corresponding entry in that
755 class we don't need to create another one, so we create a mapping
756 from the variable in the inlined class to the corresponding
760 inline_init_test_initialization (void **entry
, void *x
)
762 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
763 splay_tree decl_map
= (splay_tree
)x
;
765 tree h
= java_treetreehash_find
766 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
769 splay_tree_insert (decl_map
,
770 (splay_tree_key
) ite
->value
,
771 (splay_tree_value
) h
);
775 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
776 of a method being inlined. For each hone, if we already have a
777 variable associated with the same class in the method being inlined
778 into, create a new mapping for it. */
781 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
784 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
785 inline_init_test_initialization
, decl_map
);
788 /* Avoid voluminous output for deep recursion of compound exprs. */
791 dump_compound_expr (dump_info_p di
, tree t
)
797 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
800 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
804 dump_child ("expr", TREE_OPERAND (t
, i
));
810 java_dump_tree (void *dump_info
, tree t
)
813 dump_info_p di
= (dump_info_p
) dump_info
;
815 /* Figure out what kind of node this is. */
816 code
= TREE_CODE (t
);
821 dump_child ("args", DECL_ARGUMENTS (t
));
822 if (DECL_EXTERNAL (t
))
823 dump_string (di
, "undefined");
825 dump_string (di
, "extern");
827 dump_string (di
, "static");
828 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
829 dump_child ("inline body", DECL_SAVED_TREE (t
));
833 dump_child ("expr", TREE_OPERAND (t
, 0));
837 dump_child ("goto", TREE_OPERAND (t
, 0));
841 dump_child ("label", TREE_OPERAND (t
, 0));
845 if (BLOCK_EXPR_BODY (t
))
847 tree local
= BLOCK_VARS (t
);
850 tree next
= TREE_CHAIN (local
);
851 dump_child ("var", local
);
856 tree block
= BLOCK_EXPR_BODY (t
);
857 dump_child ("body", block
);
858 block
= TREE_CHAIN (block
);
864 if (!dump_flag (di
, TDF_SLIM
, t
))
866 dump_compound_expr (di
, t
);
875 /* Java calls can't, in general, be sibcalls because we need an
876 accurate stack trace in order to guarantee correct operation of
877 methods such as Class.forName(String) and
878 SecurityManager.getClassContext(). */
881 java_decl_ok_for_sibcall (const_tree decl
)
883 return (decl
!= NULL
&& DECL_CONTEXT (decl
) == output_class
884 && !DECL_UNINLINABLE (decl
));
887 static enum classify_record
888 java_classify_record (tree type
)
890 if (! CLASS_P (type
))
891 return RECORD_IS_STRUCT
;
893 if (CLASS_INTERFACE (TYPE_NAME (type
)))
894 return RECORD_IS_INTERFACE
;
896 return RECORD_IS_CLASS
;
899 static GTY(()) tree java_eh_personality_decl
;
902 java_eh_personality (void)
904 if (!java_eh_personality_decl
)
905 java_eh_personality_decl
906 = build_personality_function (USING_SJLJ_EXCEPTIONS
907 ? "__gcj_personality_sj0"
908 : "__gcj_personality_v0");
910 return java_eh_personality_decl
;
913 #include "gt-java-lang.h"