1 /* Java(TM) language-specific utility routines.
2 Copyright (C) 1996-2013 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 int merge_init_test_initialization (void * *, void *);
61 static int inline_init_test_initialization (void * *, void *);
62 static bool java_dump_tree (void *, tree
);
63 static void dump_compound_expr (dump_info_p
, tree
);
64 static bool java_decl_ok_for_sibcall (const_tree
);
66 static enum classify_record
java_classify_record (tree type
);
68 static tree
java_eh_personality (void);
70 #ifndef TARGET_OBJECT_SUFFIX
71 # define TARGET_OBJECT_SUFFIX ".o"
74 /* Table of machine-independent attributes. */
75 const struct attribute_spec java_attribute_table
[] =
77 { "nonnull", 0, -1, false, true, true,
79 { NULL
, 0, 0, false, false, false, NULL
, false }
82 /* Used to avoid printing error messages with bogus function
83 prototypes. Starts out false. */
84 static bool inhibit_error_function_printing
;
86 const char *resource_name
;
88 /* When nonzero, -Wall was turned on. */
91 /* When nonzero, report use of deprecated classes, methods, or fields. */
92 int flag_deprecated
= 1;
94 /* When zero, don't optimize static class initialization. This flag shouldn't
95 be tested alone, use STATIC_CLASS_INITIALIZATION_OPTIMIZATION_P instead. */
96 /* FIXME: Make this work with gimplify. */
97 /* int flag_optimize_sci = 0; */
99 /* Don't attempt to verify invocations. */
100 int flag_verify_invocations
= 0;
102 /* When nonzero, print extra version information. */
103 static int v_flag
= 0;
107 /* Variable controlling how dependency tracking is enabled in
109 static int dependency_tracking
= 0;
111 /* Flag values for DEPENDENCY_TRACKING. */
112 #define DEPEND_SET_FILE 1
113 #define DEPEND_ENABLE 2
114 #define DEPEND_TARGET_SET 4
115 #define DEPEND_FILE_ALREADY_SET 8
117 struct GTY(()) language_function
{
121 #undef LANG_HOOKS_NAME
122 #define LANG_HOOKS_NAME "GNU Java"
123 #undef LANG_HOOKS_INIT
124 #define LANG_HOOKS_INIT java_init
125 #undef LANG_HOOKS_FINISH
126 #define LANG_HOOKS_FINISH java_finish
127 #undef LANG_HOOKS_OPTION_LANG_MASK
128 #define LANG_HOOKS_OPTION_LANG_MASK java_option_lang_mask
129 #undef LANG_HOOKS_INIT_OPTIONS_STRUCT
130 #define LANG_HOOKS_INIT_OPTIONS_STRUCT java_init_options_struct
131 #undef LANG_HOOKS_INIT_OPTIONS
132 #define LANG_HOOKS_INIT_OPTIONS java_init_options
133 #undef LANG_HOOKS_HANDLE_OPTION
134 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
135 #undef LANG_HOOKS_POST_OPTIONS
136 #define LANG_HOOKS_POST_OPTIONS java_post_options
137 #undef LANG_HOOKS_PARSE_FILE
138 #define LANG_HOOKS_PARSE_FILE java_parse_file
139 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
140 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
141 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
142 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
143 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
144 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
145 #undef LANG_HOOKS_WRITE_GLOBALS
146 #define LANG_HOOKS_WRITE_GLOBALS java_write_globals
148 #undef LANG_HOOKS_TYPE_FOR_MODE
149 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
150 #undef LANG_HOOKS_TYPE_FOR_SIZE
151 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
152 #undef LANG_HOOKS_CLASSIFY_RECORD
153 #define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
155 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
156 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
158 #undef LANG_HOOKS_GIMPLIFY_EXPR
159 #define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
161 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
162 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
164 #undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
165 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
167 #undef LANG_HOOKS_ATTRIBUTE_TABLE
168 #define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
170 #undef LANG_HOOKS_EH_PERSONALITY
171 #define LANG_HOOKS_EH_PERSONALITY java_eh_personality
173 #undef LANG_HOOKS_EH_USE_CXA_END_CLEANUP
174 #define LANG_HOOKS_EH_USE_CXA_END_CLEANUP true
176 /* Each front end provides its own. */
177 struct lang_hooks lang_hooks
= LANG_HOOKS_INITIALIZER
;
180 * process java-specific compiler command-line options
181 * return false, but do not complain if the option is not recognized.
184 java_handle_option (size_t scode
, const char *arg
, int value
,
185 int kind ATTRIBUTE_UNUSED
, location_t loc ATTRIBUTE_UNUSED
,
186 const struct cl_option_handlers
*handlers ATTRIBUTE_UNUSED
)
188 enum opt_code code
= (enum opt_code
) scode
;
193 jcf_path_include_arg (arg
);
197 jcf_dependency_init (1);
198 dependency_tracking
|= DEPEND_ENABLE
;
202 jcf_dependency_init (1);
203 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
207 jcf_dependency_set_dep_file (arg
);
208 dependency_tracking
|= DEPEND_FILE_ALREADY_SET
;
212 jcf_dependency_init (0);
213 dependency_tracking
|= DEPEND_ENABLE
;
217 jcf_dependency_init (0);
218 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
222 jcf_dependency_print_dummies ();
226 jcf_dependency_set_target (arg
);
227 dependency_tracking
|= DEPEND_TARGET_SET
;
232 /* When -Wall given, enable -Wunused. We do this because the C
233 compiler does it, and people expect it. */
237 case OPT_fenable_assertions_
:
238 add_enable_assert (arg
, value
);
241 case OPT_fenable_assertions
:
242 add_enable_assert ("", value
);
245 case OPT_fdisable_assertions_
:
246 add_enable_assert (arg
, !value
);
249 case OPT_fdisable_assertions
:
250 add_enable_assert ("", !value
);
253 case OPT_fassume_compiled_
:
254 add_assume_compiled (arg
, !value
);
257 case OPT_fassume_compiled
:
258 add_assume_compiled ("", !value
);
261 case OPT_fbootclasspath_
:
262 jcf_path_bootclasspath_arg (arg
);
265 case OPT_faux_classpath
:
266 case OPT_fclasspath_
:
267 jcf_path_classpath_arg (arg
);
270 case OPT_fcompile_resource_
:
275 if (!g
->get_dumps ()->dump_switch_p (arg
))
284 jcf_path_extdirs_arg (arg
);
287 case OPT_foutput_class_dir_
:
288 /* FIXME: remove; this is handled by ecj1 now. */
295 case OPT_fsource_filename_
:
296 java_read_sourcefilenames (arg
);
300 if (cl_options
[code
].flags
& CL_Java
)
308 /* Global open file. */
314 /* FIXME: Indirect dispatch isn't yet compatible with static class
315 init optimization. */
316 if (flag_indirect_dispatch
)
317 always_initialize_class_p
= true;
319 if (!flag_indirect_dispatch
)
320 flag_indirect_classes
= false;
322 jcf_path_seal (v_flag
);
324 java_init_decl_processing ();
326 using_eh_for_cleanups ();
334 jcf_dependency_write ();
337 /* Buffer used by lang_printable_name. */
338 static char *decl_buf
= NULL
;
340 /* Allocated size of decl_buf. */
341 static int decl_buflen
= 0;
343 /* Length of used part of decl_buf; position for next character. */
344 static int decl_bufpos
= 0;
346 /* Append the string STR to decl_buf.
347 It length is given by LEN; -1 means the string is nul-terminated. */
350 put_decl_string (const char *str
, int len
)
354 if (decl_bufpos
+ len
>= decl_buflen
)
356 if (decl_buf
== NULL
)
358 decl_buflen
= len
+ 100;
359 decl_buf
= XNEWVEC (char, decl_buflen
);
364 decl_buf
= XRESIZEVAR (char, decl_buf
, decl_buflen
);
367 strcpy (decl_buf
+ decl_bufpos
, str
);
371 /* Append to decl_buf a printable name for NODE.
372 Depending on VERBOSITY, more information about NODE
373 is printed. Read the comments of decl_printable_name in
374 langhooks.h for more. */
377 put_decl_node (tree node
, int verbosity
)
380 if (TREE_CODE (node
) == POINTER_TYPE
)
382 node
= TREE_TYPE (node
);
385 if (DECL_P (node
) && DECL_NAME (node
) != NULL_TREE
)
387 if (TREE_CODE (node
) == FUNCTION_DECL
)
389 if (verbosity
== 0 && DECL_NAME (node
))
390 /* We have been instructed to just print the bare name
393 put_decl_node (DECL_NAME (node
), 0);
397 /* We want to print the type the DECL belongs to. We don't do
398 that when we handle constructors. */
399 if (! DECL_CONSTRUCTOR_P (node
)
400 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
)
401 /* We want to print qualified DECL names only
402 if verbosity is higher than 1. */
405 put_decl_node (TREE_CODE (DECL_CONTEXT (node
)) == FUNCTION_DECL
406 ? DECL_CONTEXT (node
)
407 : TYPE_NAME (DECL_CONTEXT (node
)),
409 put_decl_string (".", 1);
411 if (! DECL_CONSTRUCTOR_P (node
))
412 put_decl_node (DECL_NAME (node
), verbosity
);
413 if (TREE_TYPE (node
) != NULL_TREE
414 /* We want to print function parameters only if verbosity
419 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
420 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
421 args
= TREE_CHAIN (args
);
422 put_decl_string ("(", 1);
423 for ( ; args
!= NULL_TREE
&& args
!= end_params_node
;
424 args
= TREE_CHAIN (args
), i
++)
427 put_decl_string (",", 1);
428 put_decl_node (TREE_VALUE (args
), verbosity
);
430 put_decl_string (")", 1);
434 put_decl_node (DECL_NAME (node
), verbosity
);
436 else if (TYPE_P (node
) && TYPE_NAME (node
) != NULL_TREE
)
438 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
)
439 /* Print detailed array information only if verbosity is higher
443 put_decl_node (TYPE_ARRAY_ELEMENT (node
), verbosity
);
444 put_decl_string("[]", 2);
446 else if (node
== promoted_byte_type_node
)
447 put_decl_string ("byte", 4);
448 else if (node
== promoted_short_type_node
)
449 put_decl_string ("short", 5);
450 else if (node
== promoted_char_type_node
)
451 put_decl_string ("char", 4);
452 else if (node
== promoted_boolean_type_node
)
453 put_decl_string ("boolean", 7);
454 else if (node
== void_type_node
&& was_pointer
)
455 put_decl_string ("null", 4);
457 put_decl_node (TYPE_NAME (node
), verbosity
);
459 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
460 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
462 put_decl_string ("<unknown>", -1);
465 /* Return a user-friendly name for DECL.
466 The resulting string is only valid until the next call.
467 The value of the hook decl_printable_name is this function,
468 which is also called directly by java_print_error_function. */
471 lang_printable_name (tree decl
, int v
)
474 put_decl_node (decl
, v
);
475 put_decl_string ("", 1);
479 /* Print on stderr the current class and method context. This function
480 is the value of the hook print_error_function. */
482 static GTY(()) tree last_error_function_context
;
483 static GTY(()) tree last_error_function
;
485 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
487 diagnostic_info
*diagnostic ATTRIBUTE_UNUSED
)
489 /* Don't print error messages with bogus function prototypes. */
490 if (inhibit_error_function_printing
)
493 if (current_function_decl
!= NULL
494 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
497 fprintf (stderr
, "%s: ", file
);
499 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
500 fprintf (stderr
, "In class '%s':\n",
501 lang_printable_name (last_error_function_context
, 0));
503 if (last_error_function
!= current_function_decl
)
506 fprintf (stderr
, "%s: ", file
);
508 if (current_function_decl
== NULL
)
509 fprintf (stderr
, "At top level:\n");
512 const char *name
= lang_printable_name (current_function_decl
, 2);
513 fprintf (stderr
, "In %s '%s':\n",
514 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
519 last_error_function
= current_function_decl
;
524 /* Called to install the PRINT_ERROR_FUNCTION hook differently
525 according to LEVEL. LEVEL is 1 during early parsing, when function
526 prototypes aren't fully resolved. java_print_error_function is set
527 so it doesn't print incomplete function prototypes. When LEVEL is
528 2, function prototypes are fully resolved and can be printed when
532 lang_init_source (int level
)
534 inhibit_error_function_printing
= (level
== 1);
538 java_option_lang_mask (void)
543 /* Initialize options structure OPTS. */
546 java_init_options_struct (struct gcc_options
*opts
)
548 opts
->x_flag_bounds_check
= 1;
549 opts
->x_flag_exceptions
= 1;
550 opts
->x_flag_non_call_exceptions
= 1;
552 /* In Java floating point operations never trap. */
553 opts
->x_flag_trapping_math
= 0;
554 opts
->frontend_set_flag_trapping_math
= true;
556 /* In Java arithmetic overflow always wraps around. */
557 opts
->x_flag_wrapv
= 1;
559 /* Java requires left-to-right evaluation of subexpressions. */
560 opts
->x_flag_evaluation_order
= 1;
562 /* Java catches NULL pointer exceptions, thus we can not necessarily
563 rely on a pointer having a non-NULL value after a dereference. */
564 opts
->x_flag_delete_null_pointer_checks
= 0;
568 java_init_options (unsigned int decoded_options_count ATTRIBUTE_UNUSED
,
569 struct cl_decoded_option
*decoded_options ATTRIBUTE_UNUSED
)
574 /* Post-switch processing. */
576 java_post_options (const char **pfilename
)
578 const char *filename
= *pfilename
;
580 /* Excess precision other than "fast" requires front-end
582 if (flag_excess_precision_cmdline
== EXCESS_PRECISION_STANDARD
583 && TARGET_FLT_EVAL_METHOD_NON_DEFAULT
)
584 sorry ("-fexcess-precision=standard for Java");
585 flag_excess_precision_cmdline
= EXCESS_PRECISION_FAST
;
587 /* An absolute requirement: if we're not using indirect dispatch, we
588 must always verify everything. */
589 if (! flag_indirect_dispatch
)
590 flag_verify_invocations
= true;
592 if (flag_reduced_reflection
)
594 if (flag_indirect_dispatch
)
595 error ("-findirect-dispatch is incompatible "
596 "with -freduced-reflection");
598 error ("-fjni is incompatible with -freduced-reflection");
601 /* Open input file. */
603 if (filename
== 0 || !strcmp (filename
, "-"))
608 if (dependency_tracking
)
609 error ("can%'t do dependency tracking with input from stdin");
613 if (dependency_tracking
)
617 /* If the target is set and the output filename is set, then
618 there's no processing to do here. Otherwise we must
619 compute one or the other. */
620 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
621 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
623 dot
= strrchr (filename
, '.');
625 error ("couldn%'t determine target name for dependency tracking");
628 char *buf
= XNEWVEC (char, dot
- filename
+
629 3 + sizeof (TARGET_OBJECT_SUFFIX
));
630 strncpy (buf
, filename
, dot
- filename
);
632 /* If emitting class files, we might have multiple
633 targets. The class generation code takes care of
634 registering them. Otherwise we compute the
636 if ((dependency_tracking
& DEPEND_TARGET_SET
))
640 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
641 jcf_dependency_set_target (buf
);
644 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
646 else if ((dependency_tracking
& DEPEND_SET_FILE
))
648 strcpy (buf
+ (dot
- filename
), ".d");
649 jcf_dependency_set_dep_file (buf
);
652 jcf_dependency_set_dep_file ("-");
659 linemap_add (line_table
, LC_ENTER
, false, filename
, 0);
660 linemap_add (line_table
, LC_RENAME
, false, "<built-in>", 0);
662 /* Initialize the compiler back end. */
666 /* Return either DECL or its known constant value (if it has one). */
669 decl_constant_value (tree decl
)
671 if (/* Don't change a variable array bound or initial value to a constant
672 in a place where a variable is invalid. */
673 current_function_decl
!= 0
674 && ! TREE_THIS_VOLATILE (decl
)
675 && TREE_READONLY (decl
)
676 && DECL_INITIAL (decl
) != 0
677 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
678 /* This is invalid if initial value is not constant.
679 If it has either a function call, a memory reference,
680 or a variable, then re-evaluating it could give different results. */
681 && TREE_CONSTANT (DECL_INITIAL (decl
))
682 /* Check for cases where this is sub-optimal, even though valid. */
683 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
684 return DECL_INITIAL (decl
);
688 /* Every call to a static constructor has an associated boolean
689 variable which is in the outermost scope of the calling method.
690 This variable is used to avoid multiple calls to the static
691 constructor for each class.
693 It looks something like this:
697 boolean dummy = OtherClass.is_initialized;
702 OtherClass.initialize();
704 ... use OtherClass.data ...
707 Each of these boolean variables has an entry in the
708 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
709 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
710 being inlined and create the boolean variables in the outermost
711 scope of the method being inlined into. */
713 /* Create a mapping from a boolean variable in a method being inlined
714 to one in the scope of the method being inlined into. */
717 merge_init_test_initialization (void **entry
, void *x
)
719 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
720 splay_tree decl_map
= (splay_tree
)x
;
722 tree
*init_test_decl
;
724 /* See if we have remapped this declaration. If we haven't there's
725 a bug in the inliner. */
726 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
729 /* Create a new entry for the class and its remapped boolean
730 variable. If we already have a mapping for this class we've
731 already initialized it, so don't overwrite the value. */
732 init_test_decl
= java_treetreehash_new
733 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
734 if (!*init_test_decl
)
735 *init_test_decl
= (tree
)n
->value
;
737 /* This fixes a weird case.
739 The front end assumes that once we have called a method that
740 initializes some class, we can assume the class is initialized. It
741 does this by setting the DECL_INITIAL of the init_test_decl for that
742 class, and no initializations are emitted for that class.
744 However, what if the method that is supposed to do the initialization
745 is itself inlined in the caller? When expanding the called method
746 we'll assume that the class initialization has already been done,
747 because the DECL_INITIAL of the init_test_decl is set.
749 To fix this we remove the DECL_INITIAL (in the caller scope) of all
750 the init_test_decls corresponding to classes initialized by the
751 inlined method. This makes the caller no longer assume that the
752 method being inlined does any class initializations. */
753 DECL_INITIAL (*init_test_decl
) = NULL
;
758 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
762 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
765 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
766 merge_init_test_initialization
, decl_map
);
769 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
770 inlining into. If we already have a corresponding entry in that
771 class we don't need to create another one, so we create a mapping
772 from the variable in the inlined class to the corresponding
776 inline_init_test_initialization (void **entry
, void *x
)
778 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
779 splay_tree decl_map
= (splay_tree
)x
;
781 tree h
= java_treetreehash_find
782 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
785 splay_tree_insert (decl_map
,
786 (splay_tree_key
) ite
->value
,
787 (splay_tree_value
) h
);
791 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
792 of a method being inlined. For each hone, if we already have a
793 variable associated with the same class in the method being inlined
794 into, create a new mapping for it. */
797 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
800 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
801 inline_init_test_initialization
, decl_map
);
804 /* Avoid voluminous output for deep recursion of compound exprs. */
807 dump_compound_expr (dump_info_p di
, tree t
)
813 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
816 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
820 dump_child ("expr", TREE_OPERAND (t
, i
));
826 java_dump_tree (void *dump_info
, tree t
)
829 dump_info_p di
= (dump_info_p
) dump_info
;
831 /* Figure out what kind of node this is. */
832 code
= TREE_CODE (t
);
837 dump_child ("args", DECL_ARGUMENTS (t
));
838 if (DECL_EXTERNAL (t
))
839 dump_string (di
, "undefined");
841 dump_string (di
, "extern");
843 dump_string (di
, "static");
844 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
845 dump_child ("inline body", DECL_SAVED_TREE (t
));
849 dump_child ("expr", TREE_OPERAND (t
, 0));
853 dump_child ("goto", TREE_OPERAND (t
, 0));
857 dump_child ("label", TREE_OPERAND (t
, 0));
861 if (BLOCK_EXPR_BODY (t
))
863 tree local
= BLOCK_VARS (t
);
866 tree next
= TREE_CHAIN (local
);
867 dump_child ("var", local
);
872 tree block
= BLOCK_EXPR_BODY (t
);
873 dump_child ("body", block
);
874 block
= TREE_CHAIN (block
);
880 if (!dump_flag (di
, TDF_SLIM
, t
))
882 dump_compound_expr (di
, t
);
891 /* Java calls can't, in general, be sibcalls because we need an
892 accurate stack trace in order to guarantee correct operation of
893 methods such as Class.forName(String) and
894 SecurityManager.getClassContext(). */
897 java_decl_ok_for_sibcall (const_tree decl
)
899 return (decl
!= NULL
&& DECL_CONTEXT (decl
) == output_class
900 && !DECL_UNINLINABLE (decl
));
903 static enum classify_record
904 java_classify_record (tree type
)
906 if (! CLASS_P (type
))
907 return RECORD_IS_STRUCT
;
909 if (CLASS_INTERFACE (TYPE_NAME (type
)))
910 return RECORD_IS_INTERFACE
;
912 return RECORD_IS_CLASS
;
915 static GTY(()) tree java_eh_personality_decl
;
918 java_eh_personality (void)
920 if (!java_eh_personality_decl
)
921 java_eh_personality_decl
= build_personality_function ("gcj");
922 return java_eh_personality_decl
;
925 #include "gt-java-lang.h"