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"
46 static bool java_init (void);
47 static void java_finish (void);
48 static unsigned int java_option_lang_mask (void);
49 static void java_init_options_struct (struct gcc_options
*);
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, location_t
,
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
, false }
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_STRUCT
129 #define LANG_HOOKS_INIT_OPTIONS_STRUCT java_init_options_struct
130 #undef LANG_HOOKS_INIT_OPTIONS
131 #define LANG_HOOKS_INIT_OPTIONS java_init_options
132 #undef LANG_HOOKS_HANDLE_OPTION
133 #define LANG_HOOKS_HANDLE_OPTION java_handle_option
134 #undef LANG_HOOKS_POST_OPTIONS
135 #define LANG_HOOKS_POST_OPTIONS java_post_options
136 #undef LANG_HOOKS_PARSE_FILE
137 #define LANG_HOOKS_PARSE_FILE java_parse_file
138 #undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
139 #define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL java_dup_lang_specific_decl
140 #undef LANG_HOOKS_DECL_PRINTABLE_NAME
141 #define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
142 #undef LANG_HOOKS_PRINT_ERROR_FUNCTION
143 #define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
144 #undef LANG_HOOKS_WRITE_GLOBALS
145 #define LANG_HOOKS_WRITE_GLOBALS java_write_globals
147 #undef LANG_HOOKS_TYPE_FOR_MODE
148 #define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
149 #undef LANG_HOOKS_TYPE_FOR_SIZE
150 #define LANG_HOOKS_TYPE_FOR_SIZE java_type_for_size
151 #undef LANG_HOOKS_CLASSIFY_RECORD
152 #define LANG_HOOKS_CLASSIFY_RECORD java_classify_record
154 #undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
155 #define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN java_dump_tree
157 #undef LANG_HOOKS_GIMPLIFY_EXPR
158 #define LANG_HOOKS_GIMPLIFY_EXPR java_gimplify_expr
160 #undef LANG_HOOKS_DECL_OK_FOR_SIBCALL
161 #define LANG_HOOKS_DECL_OK_FOR_SIBCALL java_decl_ok_for_sibcall
163 #undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
164 #define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME java_mangle_decl
166 #undef LANG_HOOKS_ATTRIBUTE_TABLE
167 #define LANG_HOOKS_ATTRIBUTE_TABLE java_attribute_table
169 #undef LANG_HOOKS_EH_PERSONALITY
170 #define LANG_HOOKS_EH_PERSONALITY java_eh_personality
172 #undef LANG_HOOKS_EH_USE_CXA_END_CLEANUP
173 #define LANG_HOOKS_EH_USE_CXA_END_CLEANUP true
175 /* Each front end provides its own. */
176 struct lang_hooks lang_hooks
= LANG_HOOKS_INITIALIZER
;
179 * process java-specific compiler command-line options
180 * return false, but do not complain if the option is not recognized.
183 java_handle_option (size_t scode
, const char *arg
, int value
,
184 int kind ATTRIBUTE_UNUSED
, location_t loc ATTRIBUTE_UNUSED
,
185 const struct cl_option_handlers
*handlers ATTRIBUTE_UNUSED
)
187 enum opt_code code
= (enum opt_code
) scode
;
192 jcf_path_include_arg (arg
);
196 jcf_dependency_init (1);
197 dependency_tracking
|= DEPEND_ENABLE
;
201 jcf_dependency_init (1);
202 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
206 jcf_dependency_set_dep_file (arg
);
207 dependency_tracking
|= DEPEND_FILE_ALREADY_SET
;
211 jcf_dependency_init (0);
212 dependency_tracking
|= DEPEND_ENABLE
;
216 jcf_dependency_init (0);
217 dependency_tracking
|= DEPEND_SET_FILE
| DEPEND_ENABLE
;
221 jcf_dependency_print_dummies ();
225 jcf_dependency_set_target (arg
);
226 dependency_tracking
|= DEPEND_TARGET_SET
;
231 /* When -Wall given, enable -Wunused. We do this because the C
232 compiler does it, and people expect it. */
236 case OPT_fenable_assertions_
:
237 add_enable_assert (arg
, value
);
240 case OPT_fenable_assertions
:
241 add_enable_assert ("", value
);
244 case OPT_fdisable_assertions_
:
245 add_enable_assert (arg
, !value
);
248 case OPT_fdisable_assertions
:
249 add_enable_assert ("", !value
);
252 case OPT_fassume_compiled_
:
253 add_assume_compiled (arg
, !value
);
256 case OPT_fassume_compiled
:
257 add_assume_compiled ("", !value
);
260 case OPT_fbootclasspath_
:
261 jcf_path_bootclasspath_arg (arg
);
264 case OPT_faux_classpath
:
265 case OPT_fclasspath_
:
266 jcf_path_classpath_arg (arg
);
269 case OPT_fcompile_resource_
:
274 if (!dump_switch_p (arg
))
283 jcf_path_extdirs_arg (arg
);
286 case OPT_foutput_class_dir_
:
287 /* FIXME: remove; this is handled by ecj1 now. */
294 case OPT_fsource_filename_
:
295 java_read_sourcefilenames (arg
);
299 if (cl_options
[code
].flags
& CL_Java
)
307 /* Global open file. */
313 /* FIXME: Indirect dispatch isn't yet compatible with static class
314 init optimization. */
315 if (flag_indirect_dispatch
)
316 always_initialize_class_p
= true;
318 if (!flag_indirect_dispatch
)
319 flag_indirect_classes
= false;
321 jcf_path_seal (v_flag
);
323 java_init_decl_processing ();
325 using_eh_for_cleanups ();
333 jcf_dependency_write ();
336 /* Buffer used by lang_printable_name. */
337 static char *decl_buf
= NULL
;
339 /* Allocated size of decl_buf. */
340 static int decl_buflen
= 0;
342 /* Length of used part of decl_buf; position for next character. */
343 static int decl_bufpos
= 0;
345 /* Append the string STR to decl_buf.
346 It length is given by LEN; -1 means the string is nul-terminated. */
349 put_decl_string (const char *str
, int len
)
353 if (decl_bufpos
+ len
>= decl_buflen
)
355 if (decl_buf
== NULL
)
357 decl_buflen
= len
+ 100;
358 decl_buf
= XNEWVEC (char, decl_buflen
);
363 decl_buf
= XRESIZEVAR (char, decl_buf
, decl_buflen
);
366 strcpy (decl_buf
+ decl_bufpos
, str
);
370 /* Append to decl_buf a printable name for NODE.
371 Depending on VERBOSITY, more information about NODE
372 is printed. Read the comments of decl_printable_name in
373 langhooks.h for more. */
376 put_decl_node (tree node
, int verbosity
)
379 if (TREE_CODE (node
) == POINTER_TYPE
)
381 node
= TREE_TYPE (node
);
384 if (DECL_P (node
) && DECL_NAME (node
) != NULL_TREE
)
386 if (TREE_CODE (node
) == FUNCTION_DECL
)
388 if (verbosity
== 0 && DECL_NAME (node
))
389 /* We have been instructed to just print the bare name
392 put_decl_node (DECL_NAME (node
), 0);
396 /* We want to print the type the DECL belongs to. We don't do
397 that when we handle constructors. */
398 if (! DECL_CONSTRUCTOR_P (node
)
399 && ! DECL_ARTIFICIAL (node
) && DECL_CONTEXT (node
)
400 /* We want to print qualified DECL names only
401 if verbosity is higher than 1. */
404 put_decl_node (TREE_CODE (DECL_CONTEXT (node
)) == FUNCTION_DECL
405 ? DECL_CONTEXT (node
)
406 : TYPE_NAME (DECL_CONTEXT (node
)),
408 put_decl_string (".", 1);
410 if (! DECL_CONSTRUCTOR_P (node
))
411 put_decl_node (DECL_NAME (node
), verbosity
);
412 if (TREE_TYPE (node
) != NULL_TREE
413 /* We want to print function parameters only if verbosity
418 tree args
= TYPE_ARG_TYPES (TREE_TYPE (node
));
419 if (TREE_CODE (TREE_TYPE (node
)) == METHOD_TYPE
)
420 args
= TREE_CHAIN (args
);
421 put_decl_string ("(", 1);
422 for ( ; args
!= NULL_TREE
&& args
!= end_params_node
;
423 args
= TREE_CHAIN (args
), i
++)
426 put_decl_string (",", 1);
427 put_decl_node (TREE_VALUE (args
), verbosity
);
429 put_decl_string (")", 1);
433 put_decl_node (DECL_NAME (node
), verbosity
);
435 else if (TYPE_P (node
) && TYPE_NAME (node
) != NULL_TREE
)
437 if (TREE_CODE (node
) == RECORD_TYPE
&& TYPE_ARRAY_P (node
)
438 /* Print detailed array information only if verbosity is higher
442 put_decl_node (TYPE_ARRAY_ELEMENT (node
), verbosity
);
443 put_decl_string("[]", 2);
445 else if (node
== promoted_byte_type_node
)
446 put_decl_string ("byte", 4);
447 else if (node
== promoted_short_type_node
)
448 put_decl_string ("short", 5);
449 else if (node
== promoted_char_type_node
)
450 put_decl_string ("char", 4);
451 else if (node
== promoted_boolean_type_node
)
452 put_decl_string ("boolean", 7);
453 else if (node
== void_type_node
&& was_pointer
)
454 put_decl_string ("null", 4);
456 put_decl_node (TYPE_NAME (node
), verbosity
);
458 else if (TREE_CODE (node
) == IDENTIFIER_NODE
)
459 put_decl_string (IDENTIFIER_POINTER (node
), IDENTIFIER_LENGTH (node
));
461 put_decl_string ("<unknown>", -1);
464 /* Return a user-friendly name for DECL.
465 The resulting string is only valid until the next call.
466 The value of the hook decl_printable_name is this function,
467 which is also called directly by java_print_error_function. */
470 lang_printable_name (tree decl
, int v
)
473 put_decl_node (decl
, v
);
474 put_decl_string ("", 1);
478 /* Print on stderr the current class and method context. This function
479 is the value of the hook print_error_function. */
481 static GTY(()) tree last_error_function_context
;
482 static GTY(()) tree last_error_function
;
484 java_print_error_function (diagnostic_context
*context ATTRIBUTE_UNUSED
,
486 diagnostic_info
*diagnostic ATTRIBUTE_UNUSED
)
488 /* Don't print error messages with bogus function prototypes. */
489 if (inhibit_error_function_printing
)
492 if (current_function_decl
!= NULL
493 && DECL_CONTEXT (current_function_decl
) != last_error_function_context
)
496 fprintf (stderr
, "%s: ", file
);
498 last_error_function_context
= DECL_CONTEXT (current_function_decl
);
499 fprintf (stderr
, "In class '%s':\n",
500 lang_printable_name (last_error_function_context
, 0));
502 if (last_error_function
!= current_function_decl
)
505 fprintf (stderr
, "%s: ", file
);
507 if (current_function_decl
== NULL
)
508 fprintf (stderr
, "At top level:\n");
511 const char *name
= lang_printable_name (current_function_decl
, 2);
512 fprintf (stderr
, "In %s '%s':\n",
513 (DECL_CONSTRUCTOR_P (current_function_decl
) ? "constructor"
518 last_error_function
= current_function_decl
;
523 /* Called to install the PRINT_ERROR_FUNCTION hook differently
524 according to LEVEL. LEVEL is 1 during early parsing, when function
525 prototypes aren't fully resolved. java_print_error_function is set
526 so it doesn't print incomplete function prototypes. When LEVEL is
527 2, function prototypes are fully resolved and can be printed when
531 lang_init_source (int level
)
533 inhibit_error_function_printing
= (level
== 1);
537 java_option_lang_mask (void)
542 /* Initialize options structure OPTS. */
545 java_init_options_struct (struct gcc_options
*opts
)
547 opts
->x_flag_bounds_check
= 1;
548 opts
->x_flag_exceptions
= 1;
549 opts
->x_flag_non_call_exceptions
= 1;
551 /* In Java floating point operations never trap. */
552 opts
->x_flag_trapping_math
= 0;
553 opts
->frontend_set_flag_trapping_math
= true;
555 /* In Java arithmetic overflow always wraps around. */
556 opts
->x_flag_wrapv
= 1;
558 /* Java requires left-to-right evaluation of subexpressions. */
559 opts
->x_flag_evaluation_order
= 1;
561 /* Java catches NULL pointer exceptions, thus we can not necessarily
562 rely on a pointer having a non-NULL value after a dereference. */
563 opts
->x_flag_delete_null_pointer_checks
= 0;
567 java_init_options (unsigned int decoded_options_count ATTRIBUTE_UNUSED
,
568 struct cl_decoded_option
*decoded_options ATTRIBUTE_UNUSED
)
573 /* Post-switch processing. */
575 java_post_options (const char **pfilename
)
577 const char *filename
= *pfilename
;
579 /* Excess precision other than "fast" requires front-end
581 if (flag_excess_precision_cmdline
== EXCESS_PRECISION_STANDARD
582 && TARGET_FLT_EVAL_METHOD_NON_DEFAULT
)
583 sorry ("-fexcess-precision=standard for Java");
584 flag_excess_precision_cmdline
= EXCESS_PRECISION_FAST
;
586 /* An absolute requirement: if we're not using indirect dispatch, we
587 must always verify everything. */
588 if (! flag_indirect_dispatch
)
589 flag_verify_invocations
= true;
591 if (flag_reduced_reflection
)
593 if (flag_indirect_dispatch
)
594 error ("-findirect-dispatch is incompatible "
595 "with -freduced-reflection");
597 error ("-fjni is incompatible with -freduced-reflection");
600 /* Open input file. */
602 if (filename
== 0 || !strcmp (filename
, "-"))
607 if (dependency_tracking
)
608 error ("can%'t do dependency tracking with input from stdin");
612 if (dependency_tracking
)
616 /* If the target is set and the output filename is set, then
617 there's no processing to do here. Otherwise we must
618 compute one or the other. */
619 if (! ((dependency_tracking
& DEPEND_TARGET_SET
)
620 && (dependency_tracking
& DEPEND_FILE_ALREADY_SET
)))
622 dot
= strrchr (filename
, '.');
624 error ("couldn%'t determine target name for dependency tracking");
627 char *buf
= XNEWVEC (char, dot
- filename
+
628 3 + sizeof (TARGET_OBJECT_SUFFIX
));
629 strncpy (buf
, filename
, dot
- filename
);
631 /* If emitting class files, we might have multiple
632 targets. The class generation code takes care of
633 registering them. Otherwise we compute the
635 if ((dependency_tracking
& DEPEND_TARGET_SET
))
639 strcpy (buf
+ (dot
- filename
), TARGET_OBJECT_SUFFIX
);
640 jcf_dependency_set_target (buf
);
643 if ((dependency_tracking
& DEPEND_FILE_ALREADY_SET
))
645 else if ((dependency_tracking
& DEPEND_SET_FILE
))
647 strcpy (buf
+ (dot
- filename
), ".d");
648 jcf_dependency_set_dep_file (buf
);
651 jcf_dependency_set_dep_file ("-");
658 linemap_add (line_table
, LC_ENTER
, false, filename
, 0);
659 linemap_add (line_table
, LC_RENAME
, false, "<built-in>", 0);
661 /* Initialize the compiler back end. */
665 /* Return either DECL or its known constant value (if it has one). */
668 decl_constant_value (tree decl
)
670 if (/* Don't change a variable array bound or initial value to a constant
671 in a place where a variable is invalid. */
672 current_function_decl
!= 0
673 && ! TREE_THIS_VOLATILE (decl
)
674 && TREE_READONLY (decl
)
675 && DECL_INITIAL (decl
) != 0
676 && TREE_CODE (DECL_INITIAL (decl
)) != ERROR_MARK
677 /* This is invalid if initial value is not constant.
678 If it has either a function call, a memory reference,
679 or a variable, then re-evaluating it could give different results. */
680 && TREE_CONSTANT (DECL_INITIAL (decl
))
681 /* Check for cases where this is sub-optimal, even though valid. */
682 && TREE_CODE (DECL_INITIAL (decl
)) != CONSTRUCTOR
)
683 return DECL_INITIAL (decl
);
687 /* Every call to a static constructor has an associated boolean
688 variable which is in the outermost scope of the calling method.
689 This variable is used to avoid multiple calls to the static
690 constructor for each class.
692 It looks something like this:
696 boolean dummy = OtherClass.is_initialized;
701 OtherClass.initialize();
703 ... use OtherClass.data ...
706 Each of these boolean variables has an entry in the
707 DECL_FUNCTION_INIT_TEST_TABLE of a method. When inlining a method
708 we must merge the DECL_FUNCTION_INIT_TEST_TABLE from the function
709 being inlined and create the boolean variables in the outermost
710 scope of the method being inlined into. */
712 /* Create a mapping from a boolean variable in a method being inlined
713 to one in the scope of the method being inlined into. */
716 merge_init_test_initialization (void **entry
, void *x
)
718 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
719 splay_tree decl_map
= (splay_tree
)x
;
721 tree
*init_test_decl
;
723 /* See if we have remapped this declaration. If we haven't there's
724 a bug in the inliner. */
725 n
= splay_tree_lookup (decl_map
, (splay_tree_key
) ite
->value
);
728 /* Create a new entry for the class and its remapped boolean
729 variable. If we already have a mapping for this class we've
730 already initialized it, so don't overwrite the value. */
731 init_test_decl
= java_treetreehash_new
732 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
733 if (!*init_test_decl
)
734 *init_test_decl
= (tree
)n
->value
;
736 /* This fixes a weird case.
738 The front end assumes that once we have called a method that
739 initializes some class, we can assume the class is initialized. It
740 does this by setting the DECL_INITIAL of the init_test_decl for that
741 class, and no initializations are emitted for that class.
743 However, what if the method that is supposed to do the initialization
744 is itself inlined in the caller? When expanding the called method
745 we'll assume that the class initialization has already been done,
746 because the DECL_INITIAL of the init_test_decl is set.
748 To fix this we remove the DECL_INITIAL (in the caller scope) of all
749 the init_test_decls corresponding to classes initialized by the
750 inlined method. This makes the caller no longer assume that the
751 method being inlined does any class initializations. */
752 DECL_INITIAL (*init_test_decl
) = NULL
;
757 /* Merge the DECL_FUNCTION_INIT_TEST_TABLE from the function we're
761 java_inlining_merge_static_initializers (tree fn
, void *decl_map
)
764 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
765 merge_init_test_initialization
, decl_map
);
768 /* Lookup a DECL_FUNCTION_INIT_TEST_TABLE entry in the method we're
769 inlining into. If we already have a corresponding entry in that
770 class we don't need to create another one, so we create a mapping
771 from the variable in the inlined class to the corresponding
775 inline_init_test_initialization (void **entry
, void *x
)
777 struct treetreehash_entry
*ite
= (struct treetreehash_entry
*) *entry
;
778 splay_tree decl_map
= (splay_tree
)x
;
780 tree h
= java_treetreehash_find
781 (DECL_FUNCTION_INIT_TEST_TABLE (current_function_decl
), ite
->key
);
784 splay_tree_insert (decl_map
,
785 (splay_tree_key
) ite
->value
,
786 (splay_tree_value
) h
);
790 /* Look up the boolean variables in the DECL_FUNCTION_INIT_TEST_TABLE
791 of a method being inlined. For each hone, if we already have a
792 variable associated with the same class in the method being inlined
793 into, create a new mapping for it. */
796 java_inlining_map_static_initializers (tree fn
, void *decl_map
)
799 (DECL_FUNCTION_INIT_TEST_TABLE (fn
),
800 inline_init_test_initialization
, decl_map
);
803 /* Avoid voluminous output for deep recursion of compound exprs. */
806 dump_compound_expr (dump_info_p di
, tree t
)
812 switch (TREE_CODE (TREE_OPERAND (t
, i
)))
815 dump_compound_expr (di
, TREE_OPERAND (t
, i
));
819 dump_child ("expr", TREE_OPERAND (t
, i
));
825 java_dump_tree (void *dump_info
, tree t
)
828 dump_info_p di
= (dump_info_p
) dump_info
;
830 /* Figure out what kind of node this is. */
831 code
= TREE_CODE (t
);
836 dump_child ("args", DECL_ARGUMENTS (t
));
837 if (DECL_EXTERNAL (t
))
838 dump_string (di
, "undefined");
840 dump_string (di
, "extern");
842 dump_string (di
, "static");
843 if (DECL_LANG_SPECIFIC (t
) && !dump_flag (di
, TDF_SLIM
, t
))
844 dump_child ("inline body", DECL_SAVED_TREE (t
));
848 dump_child ("expr", TREE_OPERAND (t
, 0));
852 dump_child ("goto", TREE_OPERAND (t
, 0));
856 dump_child ("label", TREE_OPERAND (t
, 0));
860 if (BLOCK_EXPR_BODY (t
))
862 tree local
= BLOCK_VARS (t
);
865 tree next
= TREE_CHAIN (local
);
866 dump_child ("var", local
);
871 tree block
= BLOCK_EXPR_BODY (t
);
872 dump_child ("body", block
);
873 block
= TREE_CHAIN (block
);
879 if (!dump_flag (di
, TDF_SLIM
, t
))
881 dump_compound_expr (di
, t
);
890 /* Java calls can't, in general, be sibcalls because we need an
891 accurate stack trace in order to guarantee correct operation of
892 methods such as Class.forName(String) and
893 SecurityManager.getClassContext(). */
896 java_decl_ok_for_sibcall (const_tree decl
)
898 return (decl
!= NULL
&& DECL_CONTEXT (decl
) == output_class
899 && !DECL_UNINLINABLE (decl
));
902 static enum classify_record
903 java_classify_record (tree type
)
905 if (! CLASS_P (type
))
906 return RECORD_IS_STRUCT
;
908 if (CLASS_INTERFACE (TYPE_NAME (type
)))
909 return RECORD_IS_INTERFACE
;
911 return RECORD_IS_CLASS
;
914 static GTY(()) tree java_eh_personality_decl
;
917 java_eh_personality (void)
919 if (!java_eh_personality_decl
)
920 java_eh_personality_decl
= build_personality_function ("gcj");
921 return java_eh_personality_decl
;
924 #include "gt-java-lang.h"