1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996-2014 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GCC is distributed in the hope that it will be useful,
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.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>.
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. */
24 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
28 #include "coretypes.h"
32 #include "java-tree.h"
34 #include "langhooks.h"
35 #include "langhooks-def.h"
38 #include "diagnostic.h"
39 #include "tree-inline.h"
40 #include "splay-tree.h"
41 #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_struct (struct gcc_options
*);
51 static void java_init_options (unsigned int, struct cl_decoded_option
*);
52 static bool java_post_options (const char **);
54 static bool java_handle_option (size_t, const char *, int, int, location_t
,
55 const struct cl_option_handlers
*);
56 static void put_decl_string (const char *, int);
57 static void put_decl_node (tree
, int);
58 static void java_print_error_function (diagnostic_context
*, const char *,
60 static bool java_dump_tree (void *, tree
);
61 static void dump_compound_expr (dump_info_p
, tree
);
62 static bool java_decl_ok_for_sibcall (const_tree
);
64 static enum classify_record
java_classify_record (tree type
);
66 static tree
java_eh_personality (void);
68 #ifndef TARGET_OBJECT_SUFFIX
69 # define TARGET_OBJECT_SUFFIX ".o"
72 /* Table of machine-independent attributes. */
73 const struct attribute_spec java_attribute_table
[] =
75 { "nonnull", 0, -1, false, true, true, NULL
, NULL
, false },
76 { NULL
, 0, 0, false, false, false, NULL
, NULL
, false }
79 /* Used to avoid printing error messages with bogus function
80 prototypes. Starts out false. */
81 static bool inhibit_error_function_printing
;
83 const char *resource_name
;
85 /* When nonzero, -Wall was turned on. */
88 /* When nonzero, report use of deprecated classes, methods, or fields. */
89 int flag_deprecated
= 1;
91 /* When zero, don't optimize static class initialization. This flag shouldn't
92 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
93 /* FIXME: Make this work with gimplify. */
94 /* int flag_optimize_sci = 0; */
96 /* Don't attempt to verify invocations. */
97 int flag_verify_invocations
= 0;
99 /* When nonzero, print extra version information. */
100 static int v_flag
= 0;
104 /* Variable controlling how dependency tracking is enabled in
106 static int dependency_tracking
= 0;
108 /* Flag values for DEPENDENCY_TRACKING. */
109 #define DEPEND_SET_FILE 1
110 #define DEPEND_ENABLE 2
111 #define DEPEND_TARGET_SET 4
112 #define DEPEND_FILE_ALREADY_SET 8
114 struct GTY(()) language_function
{
118 #undef LANG_HOOKS_NAME
119 #define LANG_HOOKS_NAME "GNU Java"
120 #undef LANG_HOOKS_INIT
121 #define LANG_HOOKS_INIT java_init
122 #undef LANG_HOOKS_FINISH
123 #define LANG_HOOKS_FINISH java_finish
124 #undef LANG_HOOKS_OPTION_LANG_MASK
125 #define LANG_HOOKS_OPTION_LANG_MASK java_option_lang_mask
126 #undef LANG_HOOKS_INIT_OPTIONS_STRUCT
127 #define LANG_HOOKS_INIT_OPTIONS_STRUCT java_init_options_struct
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
, location_t loc 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 jcf_path_classpath_arg (arg
);
267 case OPT_fcompile_resource_
:
272 if (!g
->get_dumps ()->dump_switch_p (arg
))
281 jcf_path_extdirs_arg (arg
);
284 case OPT_foutput_class_dir_
:
285 /* FIXME: remove; this is handled by ecj1 now. */
292 case OPT_fsource_filename_
:
293 java_read_sourcefilenames (arg
);
297 if (cl_options
[code
].flags
& CL_Java
)
305 /* Global open file. */
311 /* FIXME: Indirect dispatch isn't yet compatible with static class
312 init optimization. */
313 if (flag_indirect_dispatch
)
314 always_initialize_class_p
= true;
316 if (!flag_indirect_dispatch
)
317 flag_indirect_classes
= false;
319 jcf_path_seal (v_flag
);
321 java_init_decl_processing ();
323 using_eh_for_cleanups ();
331 jcf_dependency_write ();
334 /* Buffer used by lang_printable_name. */
335 static char *decl_buf
= NULL
;
337 /* Allocated size of decl_buf. */
338 static int decl_buflen
= 0;
340 /* Length of used part of decl_buf; position for next character. */
341 static int decl_bufpos
= 0;
343 /* Append the string STR to decl_buf.
344 It length is given by LEN; -1 means the string is nul-terminated. */
347 put_decl_string (const char *str
, int len
)
351 if (decl_bufpos
+ len
>= decl_buflen
)
353 if (decl_buf
== NULL
)
355 decl_buflen
= len
+ 100;
356 decl_buf
= XNEWVEC (char, decl_buflen
);
361 decl_buf
= XRESIZEVAR (char, decl_buf
, decl_buflen
);
364 strcpy (decl_buf
+ decl_bufpos
, str
);
368 /* Append to decl_buf a printable name for NODE.
369 Depending on VERBOSITY, more information about NODE
370 is printed. Read the comments of decl_printable_name in
371 langhooks.h for more. */
374 put_decl_node (tree node
, int verbosity
)
377 if (TREE_CODE (node
) == POINTER_TYPE
)
379 node
= TREE_TYPE (node
);
382 if (DECL_P (node
) && DECL_NAME (node
) != NULL_TREE
)
384 if (TREE_CODE (node
) == FUNCTION_DECL
)
386 if (verbosity
== 0 && DECL_NAME (node
))
387 /* We have been instructed to just print the bare name
390 put_decl_node (DECL_NAME (node
), 0);
394 /* We want to print the type the DECL belongs to. We don't do
395 that when we handle constructors. */
396 if (! DECL_CONSTRUCTOR_P (node
)
397 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
)
398 /* We want to print qualified DECL names only
399 if verbosity is higher than 1. */
402 put_decl_node (TREE_CODE (DECL_CONTEXT (node
)) == FUNCTION_DECL
403 ? DECL_CONTEXT (node
)
404 : TYPE_NAME (DECL_CONTEXT (node
)),
406 put_decl_string (".", 1);
408 if (! DECL_CONSTRUCTOR_P (node
))
409 put_decl_node (DECL_NAME (node
), verbosity
);
410 if (TREE_TYPE (node
) != NULL_TREE
411 /* We want to print function parameters only if verbosity
416 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
417 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
418 args
= TREE_CHAIN (args
);
419 put_decl_string ("(", 1);
420 for ( ; args
!= NULL_TREE
&& args
!= end_params_node
;
421 args
= TREE_CHAIN (args
), i
++)
424 put_decl_string (",", 1);
425 put_decl_node (TREE_VALUE (args
), verbosity
);
427 put_decl_string (")", 1);
431 put_decl_node (DECL_NAME (node
), verbosity
);
433 else if (TYPE_P (node
) && TYPE_NAME (node
) != NULL_TREE
)
435 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
)
436 /* Print detailed array information only if verbosity is higher
440 put_decl_node (TYPE_ARRAY_ELEMENT (node
), verbosity
);
441 put_decl_string("[]", 2);
443 else if (node
== promoted_byte_type_node
)
444 put_decl_string ("byte", 4);
445 else if (node
== promoted_short_type_node
)
446 put_decl_string ("short", 5);
447 else if (node
== promoted_char_type_node
)
448 put_decl_string ("char", 4);
449 else if (node
== promoted_boolean_type_node
)
450 put_decl_string ("boolean", 7);
451 else if (node
== void_type_node
&& was_pointer
)
452 put_decl_string ("null", 4);
454 put_decl_node (TYPE_NAME (node
), verbosity
);
456 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
457 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
459 put_decl_string ("<unknown>", -1);
462 /* Return a user-friendly name for DECL.
463 The resulting string is only valid until the next call.
464 The value of the hook decl_printable_name is this function,
465 which is also called directly by java_print_error_function. */
468 lang_printable_name (tree decl
, int v
)
471 put_decl_node (decl
, v
);
472 put_decl_string ("", 1);
476 /* Print on stderr the current class and method context. This function
477 is the value of the hook print_error_function. */
479 static GTY(()) tree last_error_function_context
;
480 static GTY(()) tree last_error_function
;
482 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
484 diagnostic_info
*diagnostic ATTRIBUTE_UNUSED
)
486 /* Don't print error messages with bogus function prototypes. */
487 if (inhibit_error_function_printing
)
490 if (current_function_decl
!= NULL
491 && DECL_CONTEXT (current_function_decl
) != NULL
492 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
495 fprintf (stderr
, "%s: ", file
);
497 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
498 fprintf (stderr
, "In class '%s':\n",
499 lang_printable_name (last_error_function_context
, 0));
501 if (last_error_function
!= current_function_decl
)
504 fprintf (stderr
, "%s: ", file
);
506 if (current_function_decl
== NULL
)
507 fprintf (stderr
, "At top level:\n");
510 const char *name
= lang_printable_name (current_function_decl
, 2);
511 fprintf (stderr
, "In %s '%s':\n",
512 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
517 last_error_function
= current_function_decl
;
522 /* Called to install the PRINT_ERROR_FUNCTION hook differently
523 according to LEVEL. LEVEL is 1 during early parsing, when function
524 prototypes aren't fully resolved. java_print_error_function is set
525 so it doesn't print incomplete function prototypes. When LEVEL is
526 2, function prototypes are fully resolved and can be printed when
530 lang_init_source (int level
)
532 inhibit_error_function_printing
= (level
== 1);
536 java_option_lang_mask (void)
541 /* Initialize options structure OPTS. */
544 java_init_options_struct (struct gcc_options
*opts
)
546 opts
->x_flag_bounds_check
= 1;
547 opts
->x_flag_exceptions
= 1;
548 opts
->x_flag_non_call_exceptions
= 1;
550 /* In Java floating point operations never trap. */
551 opts
->x_flag_trapping_math
= 0;
552 opts
->frontend_set_flag_trapping_math
= true;
554 /* In Java arithmetic overflow always wraps around. */
555 opts
->x_flag_wrapv
= 1;
557 /* Java requires left-to-right evaluation of subexpressions. */
558 opts
->x_flag_evaluation_order
= 1;
560 /* Java catches NULL pointer exceptions, thus we can not necessarily
561 rely on a pointer having a non-NULL value after a dereference. */
562 opts
->x_flag_delete_null_pointer_checks
= 0;
566 java_init_options (unsigned int decoded_options_count ATTRIBUTE_UNUSED
,
567 struct cl_decoded_option
*decoded_options ATTRIBUTE_UNUSED
)
572 /* Post-switch processing. */
574 java_post_options (const char **pfilename
)
576 const char *filename
= *pfilename
;
578 /* Excess precision other than "fast" requires front-end
580 if (flag_excess_precision_cmdline
== EXCESS_PRECISION_STANDARD
581 && TARGET_FLT_EVAL_METHOD_NON_DEFAULT
)
582 sorry ("-fexcess-precision=standard for Java");
583 flag_excess_precision_cmdline
= EXCESS_PRECISION_FAST
;
585 /* An absolute requirement: if we're not using indirect dispatch, we
586 must always verify everything. */
587 if (! flag_indirect_dispatch
)
588 flag_verify_invocations
= true;
590 if (flag_reduced_reflection
)
592 if (flag_indirect_dispatch
)
593 error ("-findirect-dispatch is incompatible "
594 "with -freduced-reflection");
596 error ("-fjni is incompatible with -freduced-reflection");
599 /* Open input file. */
601 if (filename
== 0 || !strcmp (filename
, "-"))
606 if (dependency_tracking
)
607 error ("can%'t do dependency tracking with input from stdin");
611 if (dependency_tracking
)
615 /* If the target is set and the output filename is set, then
616 there's no processing to do here. Otherwise we must
617 compute one or the other. */
618 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
619 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
621 dot
= strrchr (filename
, '.');
623 error ("couldn%'t determine target name for dependency tracking");
626 char *buf
= XNEWVEC (char, dot
- filename
+
627 3 + sizeof (TARGET_OBJECT_SUFFIX
));
628 strncpy (buf
, filename
, dot
- filename
);
630 /* If emitting class files, we might have multiple
631 targets. The class generation code takes care of
632 registering them. Otherwise we compute the
634 if ((dependency_tracking
& DEPEND_TARGET_SET
))
638 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
639 jcf_dependency_set_target (buf
);
642 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
644 else if ((dependency_tracking
& DEPEND_SET_FILE
))
646 strcpy (buf
+ (dot
- filename
), ".d");
647 jcf_dependency_set_dep_file (buf
);
650 jcf_dependency_set_dep_file ("-");
657 linemap_add (line_table
, LC_ENTER
, false, filename
, 0);
658 linemap_add (line_table
, LC_RENAME
, false, "<built-in>", 0);
660 /* Initialize the compiler back end. */
664 /* Return either DECL or its known constant value (if it has one). */
667 decl_constant_value (tree decl
)
669 if (/* Don't change a variable array bound or initial value to a constant
670 in a place where a variable is invalid. */
671 current_function_decl
!= 0
672 && ! TREE_THIS_VOLATILE (decl
)
673 && TREE_READONLY (decl
)
674 && DECL_INITIAL (decl
) != 0
675 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
676 /* This is invalid if initial value is not constant.
677 If it has either a function call, a memory reference,
678 or a variable, then re-evaluating it could give different results. */
679 && TREE_CONSTANT (DECL_INITIAL (decl
))
680 /* Check for cases where this is sub-optimal, even though valid. */
681 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
682 return DECL_INITIAL (decl
);
686 /* Every call to a static constructor has an associated boolean
687 variable which is in the outermost scope of the calling method.
688 This variable is used to avoid multiple calls to the static
689 constructor for each class.
691 It looks something like this:
695 boolean dummy = OtherClass.is_initialized;
700 OtherClass.initialize();
702 ... use OtherClass.data ...
705 Each of these boolean variables has an entry in the
706 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
707 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
708 being inlined and create the boolean variables in the outermost
709 scope of the method being inlined into. */
711 /* Create a mapping from a boolean variable in a method being inlined
712 to one in the scope of the method being inlined into. */
715 merge_init_test_initialization (treetreehash_entry
**entry
, void *x
)
717 struct treetreehash_entry
*ite
= *entry
;
718 splay_tree decl_map
= (splay_tree
)x
;
720 tree
*init_test_decl
;
722 /* See if we have remapped this declaration. If we haven't there's
723 a bug in the inliner. */
724 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
727 /* Create a new entry for the class and its remapped boolean
728 variable. If we already have a mapping for this class we've
729 already initialized it, so don't overwrite the value. */
730 init_test_decl
= java_treetreehash_new
731 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
732 if (!*init_test_decl
)
733 *init_test_decl
= (tree
)n
->value
;
735 /* This fixes a weird case.
737 The front end assumes that once we have called a method that
738 initializes some class, we can assume the class is initialized. It
739 does this by setting the DECL_INITIAL of the init_test_decl for that
740 class, and no initializations are emitted for that class.
742 However, what if the method that is supposed to do the initialization
743 is itself inlined in the caller? When expanding the called method
744 we'll assume that the class initialization has already been done,
745 because the DECL_INITIAL of the init_test_decl is set.
747 To fix this we remove the DECL_INITIAL (in the caller scope) of all
748 the init_test_decls corresponding to classes initialized by the
749 inlined method. This makes the caller no longer assume that the
750 method being inlined does any class initializations. */
751 DECL_INITIAL (*init_test_decl
) = NULL
;
756 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
760 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
762 DECL_FUNCTION_INIT_TEST_TABLE (fn
)
763 ->traverse
<void *, merge_init_test_initialization
> (decl_map
);
766 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
767 inlining into. If we already have a corresponding entry in that
768 class we don't need to create another one, so we create a mapping
769 from the variable in the inlined class to the corresponding
773 inline_init_test_initialization (treetreehash_entry
**entry
, void *x
)
775 struct treetreehash_entry
*ite
= *entry
;
776 splay_tree decl_map
= (splay_tree
)x
;
778 tree h
= java_treetreehash_find
779 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
782 splay_tree_insert (decl_map
,
783 (splay_tree_key
) ite
->value
,
784 (splay_tree_value
) h
);
788 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
789 of a method being inlined. For each hone, if we already have a
790 variable associated with the same class in the method being inlined
791 into, create a new mapping for it. */
794 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
796 DECL_FUNCTION_INIT_TEST_TABLE (fn
)
797 ->traverse
<void *, inline_init_test_initialization
> (decl_map
);
800 /* Avoid voluminous output for deep recursion of compound exprs. */
803 dump_compound_expr (dump_info_p di
, tree t
)
809 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
812 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
816 dump_child ("expr", TREE_OPERAND (t
, i
));
822 java_dump_tree (void *dump_info
, tree t
)
825 dump_info_p di
= (dump_info_p
) dump_info
;
827 /* Figure out what kind of node this is. */
828 code
= TREE_CODE (t
);
833 dump_child ("args", DECL_ARGUMENTS (t
));
834 if (DECL_EXTERNAL (t
))
835 dump_string (di
, "undefined");
837 dump_string (di
, "extern");
839 dump_string (di
, "static");
840 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
841 dump_child ("inline body", DECL_SAVED_TREE (t
));
845 dump_child ("expr", TREE_OPERAND (t
, 0));
849 dump_child ("goto", TREE_OPERAND (t
, 0));
853 dump_child ("label", TREE_OPERAND (t
, 0));
857 if (BLOCK_EXPR_BODY (t
))
859 tree local
= BLOCK_VARS (t
);
862 tree next
= TREE_CHAIN (local
);
863 dump_child ("var", local
);
868 tree block
= BLOCK_EXPR_BODY (t
);
869 dump_child ("body", block
);
870 block
= TREE_CHAIN (block
);
876 if (!dump_flag (di
, TDF_SLIM
, t
))
878 dump_compound_expr (di
, t
);
887 /* Java calls can't, in general, be sibcalls because we need an
888 accurate stack trace in order to guarantee correct operation of
889 methods such as Class.forName(String) and
890 SecurityManager.getClassContext(). */
893 java_decl_ok_for_sibcall (const_tree decl
)
895 return (decl
!= NULL
&& DECL_CONTEXT (decl
) == output_class
896 && !DECL_UNINLINABLE (decl
));
899 static enum classify_record
900 java_classify_record (tree type
)
902 if (! CLASS_P (type
))
903 return RECORD_IS_STRUCT
;
905 if (CLASS_INTERFACE (TYPE_NAME (type
)))
906 return RECORD_IS_INTERFACE
;
908 return RECORD_IS_CLASS
;
911 static GTY(()) tree java_eh_personality_decl
;
914 java_eh_personality (void)
916 if (!java_eh_personality_decl
)
917 java_eh_personality_decl
= build_personality_function ("gcj");
918 return java_eh_personality_decl
;
921 #include "gt-java-lang.h"