1 /* Call-backs for C++ error reporting.
2 This code is non-reentrant.
3 Copyright (C) 1993, 94-97, 1998, 1999 Free Software Foundation, Inc.
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC 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 GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
29 typedef const char *cp_printer ();
31 #define obstack_chunk_alloc xmalloc
32 #define obstack_chunk_free free
34 /* Obstack where we build text strings for overloading, etc. */
35 static struct obstack scratch_obstack;
36 static char *scratch_firstobj;
38 # define OB_INIT() (scratch_firstobj ? (obstack_free (&scratch_obstack, scratch_firstobj), 0) : 0)
39 # define OB_PUTC(C) (obstack_1grow (&scratch_obstack, (C)))
40 # define OB_PUTC2(C1,C2) \
41 (obstack_1grow (&scratch_obstack, (C1)), obstack_1grow (&scratch_obstack, (C2)))
42 # define OB_PUTS(S) (obstack_grow (&scratch_obstack, (S), sizeof (S) - 1))
43 # define OB_PUTID(ID) \
44 (obstack_grow (&scratch_obstack, IDENTIFIER_POINTER (ID), \
45 IDENTIFIER_LENGTH (ID)))
46 # define OB_PUTCP(S) (obstack_grow (&scratch_obstack, (S), strlen (S)))
47 # define OB_FINISH() (obstack_1grow (&scratch_obstack, '\0'))
48 # define OB_PUTI(CST) do { sprintf (digit_buffer, HOST_WIDE_INT_PRINT_DEC, (HOST_WIDE_INT)(CST)); \
49 OB_PUTCP (digit_buffer); } while (0)
51 # define OB_END_TEMPLATE_ID() \
52 (((obstack_next_free (&scratch_obstack) != obstack_base (&scratch_obstack) \
53 && obstack_next_free (&scratch_obstack)[-1] == '>') \
54 ? OB_PUTC (' ') : (void)0), OB_PUTC ('>'))
56 # define NEXT_CODE(t) (TREE_CODE (TREE_TYPE (t)))
58 enum pad { none, before, after };
60 static const char *args_to_string PROTO((tree, int));
61 static const char *assop_to_string PROTO((enum tree_code, int));
62 static const char *code_to_string PROTO((enum tree_code, int));
63 static const char *cv_to_string PROTO((tree, int));
64 static const char *decl_to_string PROTO((tree, int));
65 static const char *expr_to_string PROTO((tree, int));
66 static const char *fndecl_to_string PROTO((tree, int));
67 static const char *language_to_string PROTO((enum languages, int));
68 static const char *op_to_string PROTO((enum tree_code, int));
69 static const char *parm_to_string PROTO((int, int));
70 static const char *type_to_string PROTO((tree, int));
72 static void dump_type PROTO((tree, enum tree_string_flags));
73 static void dump_simple_decl PROTO((tree, tree, enum tree_string_flags));
74 static void dump_decl PROTO((tree, enum tree_string_flags));
75 static void dump_template_decl PROTO((tree, enum tree_string_flags));
76 static void dump_function_decl PROTO((tree, enum tree_string_flags));
77 static void dump_expr PROTO((tree, enum tree_string_flags));
78 static void dump_unary_op PROTO((const char *, tree, enum tree_string_flags));
79 static void dump_binary_op PROTO((const char *, tree, enum tree_string_flags));
80 static void dump_aggr_type PROTO((tree, enum tree_string_flags));
81 static enum pad dump_type_prefix PROTO((tree, enum tree_string_flags));
82 static void dump_type_suffix PROTO((tree, enum tree_string_flags));
83 static void dump_function_name PROTO((tree, enum tree_string_flags));
84 static void dump_expr_list PROTO((tree, enum tree_string_flags));
85 static void dump_global_iord PROTO((tree));
86 static enum pad dump_qualifiers PROTO((tree, enum pad));
87 static void dump_char PROTO((int));
88 static void dump_parameters PROTO((tree, enum tree_string_flags));
89 static void dump_exception_spec PROTO((tree, enum tree_string_flags));
90 static const char *aggr_variety PROTO((tree));
91 static tree ident_fndecl PROTO((tree));
92 static void dump_template_argument PROTO((tree, enum tree_string_flags));
93 static void dump_template_argument_list PROTO((tree, enum tree_string_flags));
94 static void dump_template_parameter PROTO((tree, enum tree_string_flags));
95 static void dump_template_bindings PROTO((tree, tree));
96 static void dump_scope PROTO((tree, enum tree_string_flags));
97 static void dump_template_parms PROTO((tree, int, enum tree_string_flags));
99 #define A args_to_string
100 #define C code_to_string
101 #define D decl_to_string
102 #define E expr_to_string
103 #define F fndecl_to_string
104 #define L language_to_string
105 #define O op_to_string
106 #define P parm_to_string
107 #define Q assop_to_string
108 #define T type_to_string
109 #define V cv_to_string
111 #define o (cp_printer *) 0
112 cp_printer * cp_printers[256] =
114 /*0 1 2 3 4 5 6 7 8 9 A B C D E F */
115 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x00 */
116 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x10 */
117 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x20 */
118 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x30 */
119 o, A, o, C, D, E, F, o, o, o, o, o, L, o, o, O, /* 0x40 */
120 P, Q, o, o, T, o, V, o, o, o, o, o, o, o, o, o, /* 0x50 */
121 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x60 */
122 o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, o, /* 0x70 */
139 gcc_obstack_init (&scratch_obstack);
140 scratch_firstobj = (char *)obstack_alloc (&scratch_obstack, 0);
143 /* Dump a scope, if deemed necessary. */
146 dump_scope (scope, flags)
148 enum tree_string_flags flags;
150 if (scope == NULL_TREE)
153 if (TREE_CODE (scope) == NAMESPACE_DECL)
155 if (scope != global_namespace)
157 dump_decl (scope, (flags & (TS_PEDANTIC_NAME | TS_FUNC_SCOPE | TS_CHASE_TYPEDEFS))
158 | TS_FUNC_NORETURN | TS_DECL_TYPE);
161 else if (flags & TS_PEDANTIC_NAME)
164 else if (AGGREGATE_TYPE_P (scope))
166 dump_type (scope, (flags & (TS_PEDANTIC_NAME | TS_FUNC_SCOPE | TS_CHASE_TYPEDEFS))
167 | TS_FUNC_NORETURN | TS_DECL_TYPE);
170 else if ((flags & (TS_PEDANTIC_NAME | TS_FUNC_SCOPE))
171 && TREE_CODE (scope) == FUNCTION_DECL)
173 dump_function_decl (scope, (flags & (TS_PEDANTIC_NAME | TS_FUNC_SCOPE | TS_CHASE_TYPEDEFS))
174 | TS_FUNC_NORETURN | TS_DECL_TYPE);
179 /* Dump type qualifiers, providing padding as requested. Return an
180 indication of whether we dumped something. */
183 dump_qualifiers (t, p)
187 static const int masks[] =
188 {TYPE_QUAL_CONST, TYPE_QUAL_VOLATILE, TYPE_QUAL_RESTRICT};
189 static const char *const names[] =
190 {"const", "volatile", "__restrict"};
192 int quals = TYPE_QUALS (t);
193 int do_after = p == after;
197 for (ix = 0; ix != 3; ix++)
198 if (masks[ix] & quals)
203 OB_PUTCP (names[ix]);
213 /* This must be large enough to hold any printed integer or floating-point
215 static char digit_buffer[128];
217 /* Dump the template ARGument under control of FLAGS. */
220 dump_template_argument (arg, flags)
222 enum tree_string_flags flags;
224 if (TREE_CODE_CLASS (TREE_CODE (arg)) == 't'
225 || TREE_CODE (arg) == TEMPLATE_DECL)
226 dump_type (arg, flags & ~TS_AGGR_TAGS);
228 dump_expr (arg, (flags | TS_EXPR_PARENS) & ~TS_AGGR_TAGS);
231 /* Dump a template-argument-list ARGS (always a TREE_VEC) under control
235 dump_template_argument_list (args, flags)
237 enum tree_string_flags flags;
239 int n = TREE_VEC_LENGTH (args);
243 for (i = 0; i< n; ++i)
247 dump_template_argument (TREE_VEC_ELT (args, i), flags);
252 /* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
255 dump_template_parameter (parm, flags)
257 enum tree_string_flags flags;
259 tree p = TREE_VALUE (parm);
260 tree a = TREE_PURPOSE (parm);
262 if (TREE_CODE (p) == TYPE_DECL)
264 if (flags & TS_DECL_TYPE)
270 OB_PUTID (DECL_NAME (p));
273 else if (DECL_NAME (p))
274 OB_PUTID (DECL_NAME (p));
276 OB_PUTS ("{template default argument error}");
279 dump_decl (p, flags | TS_DECL_TYPE);
281 if ((flags & TS_PARM_DEFAULTS) && a != NULL_TREE)
284 if (TREE_CODE (a) == TYPE_DECL || TREE_CODE (a) == TEMPLATE_DECL)
285 dump_type (a, flags & ~TS_CHASE_TYPEDEFS);
287 dump_expr (a, flags | TS_EXPR_PARENS);
291 /* Dump, under control of FLAGS, a template-parameter-list binding.
292 PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
296 dump_template_bindings (parms, args)
303 tree p = TREE_VALUE (parms);
304 int lvl = TMPL_PARMS_DEPTH (parms);
308 for (i = 0; i < TREE_VEC_LENGTH (p); ++i)
310 tree arg = TMPL_ARG (args, lvl, arg_idx);
314 dump_template_parameter (TREE_VEC_ELT (p, i), TS_PLAIN);
317 dump_template_argument (arg, TS_PLAIN);
319 OB_PUTS ("{missing}");
325 parms = TREE_CHAIN (parms);
329 /* Dump into the obstack a human-readable equivalent of TYPE. FLAGS
330 controls the format. */
335 enum tree_string_flags flags;
340 if (TYPE_PTRMEMFUNC_P (t))
343 switch (TREE_CODE (t))
346 OB_PUTS ("{unknown type}");
350 /* A list of function parms. */
351 dump_parameters (t, flags);
354 case IDENTIFIER_NODE:
359 dump_type (BINFO_TYPE (t), flags);
365 dump_aggr_type (t, flags);
369 if (flags & TS_CHASE_TYPEDEFS)
371 dump_type (DECL_ORIGINAL_TYPE (t)
372 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t), flags);
375 /* else fallthrough */
379 dump_decl (t, flags & ~TS_DECL_TYPE);
383 OB_PUTS ("complex ");
384 dump_type (TREE_TYPE (t), flags);
388 if (!TREE_UNSIGNED (TYPE_MAIN_VARIANT (t)) && TREE_UNSIGNED (t))
389 OB_PUTS ("unsigned ");
390 else if (TREE_UNSIGNED (TYPE_MAIN_VARIANT (t)) && !TREE_UNSIGNED (t))
399 dump_qualifiers (t, after);
400 type = flags & TS_CHASE_TYPEDEFS ? TYPE_MAIN_VARIANT (t) : t;
401 if (TYPE_NAME (type) && TYPE_IDENTIFIER (type))
402 OB_PUTID (TYPE_IDENTIFIER (type));
404 /* Types like intQI_type_node and friends have no names.
405 These don't come up in user error messages, but it's nice
406 to be able to print them from the debugger. */
407 OB_PUTS ("{anonymous}");
411 case TEMPLATE_TEMPLATE_PARM:
412 if (!TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO (t))
414 /* For parameters inside template signature. */
415 if (TYPE_IDENTIFIER (t))
416 OB_PUTID (TYPE_IDENTIFIER (t));
418 OB_PUTS ("{anonymous template template parameter}");
422 tree args = TYPE_TI_ARGS (t);
423 OB_PUTID (TYPE_IDENTIFIER (t));
425 dump_template_argument_list (args, flags);
426 OB_END_TEMPLATE_ID ();
430 case TEMPLATE_TYPE_PARM:
431 dump_qualifiers (t, after);
432 if (TYPE_IDENTIFIER (t))
433 OB_PUTID (TYPE_IDENTIFIER (t));
435 OB_PUTS ("{anonymous template type parameter}");
438 /* This is not always necessary for pointers and such, but doing this
439 reduces code size. */
448 dump_type_prefix (t, flags);
449 dump_type_suffix (t, flags);
453 OB_PUTS ("typename ");
454 dump_type (TYPE_CONTEXT (t), flags);
456 dump_decl (TYPENAME_TYPE_FULLNAME (t), flags);
460 OB_PUTS ("__typeof (");
461 dump_expr (TYPE_FIELDS (t), flags & ~TS_EXPR_PARENS);
466 sorry ("`%s' not supported by dump_type",
467 tree_code_name[(int) TREE_CODE (t)]);
468 /* Fall through to error. */
471 OB_PUTS ("{type error}");
476 /* Return the name of the supplied aggregate, or enumeral type. */
482 if (TREE_CODE (t) == ENUMERAL_TYPE)
484 else if (TREE_CODE (t) == UNION_TYPE)
486 else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
492 /* Print out a class declaration T under the control of FLAGS,
493 in the form `class foo'. */
496 dump_aggr_type (t, flags)
498 enum tree_string_flags flags;
501 const char *variety = aggr_variety (t);
505 dump_qualifiers (t, after);
507 if (flags & TS_AGGR_TAGS)
513 if (flags & TS_CHASE_TYPEDEFS)
514 t = TYPE_MAIN_VARIANT (t);
516 name = TYPE_NAME (t);
520 typdef = !DECL_ARTIFICIAL (name);
521 tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
522 && TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
523 && (CLASSTYPE_TEMPLATE_SPECIALIZATION (t)
524 || TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
525 || DECL_TEMPLATE_SPECIALIZATION (CLASSTYPE_TI_TEMPLATE (t))
526 || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t)));
527 dump_scope (CP_DECL_CONTEXT (name), flags | TS_FUNC_SCOPE);
530 /* Because the template names are mangled, we have to locate
531 the most general template, and use that name. */
532 tree tpl = CLASSTYPE_TI_TEMPLATE (t);
534 while (DECL_TEMPLATE_INFO (tpl))
535 tpl = DECL_TI_TEMPLATE (tpl);
538 name = DECL_NAME (name);
541 if (name == 0 || ANON_AGGRNAME_P (name))
543 OB_PUTS ("{anonymous");
544 if (!(flags & TS_AGGR_TAGS))
554 dump_template_parms (TYPE_TEMPLATE_INFO (t),
555 !CLASSTYPE_USE_TEMPLATE (t),
556 flags & ~TS_TEMPLATE_PREFIX);
559 /* Dump into the obstack the initial part of the output for a given type.
560 This is necessary when dealing with things like functions returning
563 return type of `int (* fee ())()': pointer -> function -> int. Both
564 pointer (and reference and offset) and function (and member) types must
565 deal with prefix and suffix.
567 Arrays must also do this for DECL nodes, like int a[], and for things like
570 Return indicates how you should pad an object name after this. I.e. you
571 want to pad non-*, non-& cores, but not pad * or & types. */
574 dump_type_prefix (t, flags)
576 enum tree_string_flags flags;
578 enum pad padding = before;
580 if (TYPE_PTRMEMFUNC_P (t))
582 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
586 switch (TREE_CODE (t))
591 tree sub = TREE_TYPE (t);
593 padding = dump_type_prefix (sub, flags);
594 /* A tree for a member pointer looks like pointer to offset,
595 so let the OFFSET_TYPE case handle it. */
596 if (!TYPE_PTRMEM_P (t))
600 if (TREE_CODE (sub) == ARRAY_TYPE)
602 OB_PUTC ("&*"[TREE_CODE (t) == POINTER_TYPE]);
603 padding = dump_qualifiers (t, none);
610 padding = dump_type_prefix (TREE_TYPE (t), flags);
611 if (TREE_CODE (t) == OFFSET_TYPE) /* pmfs deal with this in d_t_p */
615 dump_type (TYPE_OFFSET_BASETYPE (t), flags);
619 padding = dump_qualifiers (t, none);
622 /* Can only be reached through function pointer -- this would not be
623 correct if FUNCTION_DECLs used it. */
625 padding = dump_type_prefix (TREE_TYPE (t), flags);
633 padding = dump_type_prefix (TREE_TYPE (t), flags);
638 dump_aggr_type (TYPE_METHOD_BASETYPE (t), flags);
643 padding = dump_type_prefix (TREE_TYPE (t), flags);
647 case IDENTIFIER_NODE:
652 case TEMPLATE_TYPE_PARM:
653 case TEMPLATE_TEMPLATE_PARM:
662 dump_type (t, flags);
667 sorry ("`%s' not supported by dump_type_prefix",
668 tree_code_name[(int) TREE_CODE (t)]);
671 OB_PUTS ("{typeprefixerror}");
677 /* Dump the suffix of type T, under control of FLAGS. This is the part
678 which appears after the identifier (or function parms). */
681 dump_type_suffix (t, flags)
683 enum tree_string_flags flags;
685 if (TYPE_PTRMEMFUNC_P (t))
686 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
688 switch (TREE_CODE (t))
693 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
695 dump_type_suffix (TREE_TYPE (t), flags);
698 /* Can only be reached through function pointer */
704 arg = TYPE_ARG_TYPES (t);
705 if (TREE_CODE (t) == METHOD_TYPE)
706 arg = TREE_CHAIN (arg);
708 /* Function pointers don't have default args. Not in standard C++,
709 anyway; they may in g++, but we'll just pretend otherwise. */
710 dump_parameters (arg, flags & ~TS_PARM_DEFAULTS);
712 if (TREE_CODE (t) == METHOD_TYPE)
714 (TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))), before);
715 dump_type_suffix (TREE_TYPE (t), flags);
716 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t), flags);
724 if (TREE_CODE (TYPE_MAX_VALUE (TYPE_DOMAIN (t))) == INTEGER_CST)
725 OB_PUTI (TREE_INT_CST_LOW (TYPE_MAX_VALUE (TYPE_DOMAIN (t))) + 1);
726 else if (TREE_CODE (TYPE_MAX_VALUE (TYPE_DOMAIN (t))) == MINUS_EXPR)
727 dump_expr (TREE_OPERAND (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0),
728 flags & ~TS_EXPR_PARENS);
730 dump_expr (fold (build_binary_op
731 (PLUS_EXPR, TYPE_MAX_VALUE (TYPE_DOMAIN (t)),
733 flags & ~TS_EXPR_PARENS);
736 dump_type_suffix (TREE_TYPE (t), flags);
740 case IDENTIFIER_NODE:
745 case TEMPLATE_TYPE_PARM:
746 case TEMPLATE_TEMPLATE_PARM:
758 sorry ("`%s' not supported by dump_type_suffix",
759 tree_code_name[(int) TREE_CODE (t)]);
762 /* Don't mark it here, we should have already done in
768 /* Return a function declaration which corresponds to the IDENTIFIER_NODE
775 tree n = lookup_name (t, 0);
780 if (TREE_CODE (n) == FUNCTION_DECL)
782 else if (TREE_CODE (n) == TREE_LIST
783 && TREE_CODE (TREE_VALUE (n)) == FUNCTION_DECL)
784 return TREE_VALUE (n);
786 my_friendly_abort (66);
790 #ifndef NO_DOLLAR_IN_LABEL
791 # define GLOBAL_THING "_GLOBAL_$"
793 # ifndef NO_DOT_IN_LABEL
794 # define GLOBAL_THING "_GLOBAL_."
796 # define GLOBAL_THING "_GLOBAL__"
800 #define GLOBAL_IORD_P(NODE) \
801 ! strncmp (IDENTIFIER_POINTER(NODE), GLOBAL_THING, sizeof (GLOBAL_THING) - 1)
807 const char *name = IDENTIFIER_POINTER (t);
809 OB_PUTS ("(static ");
810 if (name [sizeof (GLOBAL_THING) - 1] == 'I')
811 OB_PUTS ("initializers");
812 else if (name [sizeof (GLOBAL_THING) - 1] == 'D')
813 OB_PUTS ("destructors");
815 my_friendly_abort (352);
818 OB_PUTCP (input_filename);
823 dump_simple_decl (t, type, flags)
826 enum tree_string_flags flags;
828 if (flags & TS_DECL_TYPE)
830 if (dump_type_prefix (type, flags) != none)
833 if (!DECL_INITIAL (t) || TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX)
834 dump_scope (CP_DECL_CONTEXT (t), flags);
836 dump_decl (DECL_NAME (t), flags);
838 OB_PUTS ("{anonymous}");
839 if (flags & TS_DECL_TYPE)
840 dump_type_suffix (type, flags);
843 /* Dump a human readable string for the decl T under control of FLAGS. */
848 enum tree_string_flags flags;
853 switch (TREE_CODE (t))
857 /* Don't say 'typedef class A' */
858 if (DECL_ARTIFICIAL (t))
860 if ((flags & TS_DECL_TYPE)
861 && TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TYPE_PARM)
862 /* Say `class T' not just `T'. */
865 dump_type (TREE_TYPE (t), flags);
869 if (flags & TS_DECORATE)
870 OB_PUTS ("typedef ");
871 dump_simple_decl (t, DECL_ORIGINAL_TYPE (t)
872 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
877 if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
879 OB_PUTS ("vtable for ");
880 if (TYPE_P (DECL_CONTEXT (t)))
881 dump_type (DECL_CONTEXT (t), flags);
883 /* This case can arise with -fno-vtable-thunks. See
884 expand_upcast_fixups. It's not clear what to print
886 OB_PUTS ("{unknown type}");
889 /* else fall through */
892 dump_simple_decl (t, TREE_TYPE (t), flags);
896 OB_PUTS ("{return} ");
897 dump_simple_decl (t, TREE_TYPE (t), flags);
901 dump_scope (CP_DECL_CONTEXT (t), flags);
902 if (DECL_NAME (t) == anonymous_namespace_name)
903 OB_PUTS ("{unnamed}");
905 OB_PUTID (DECL_NAME (t));
909 dump_decl (TREE_OPERAND (t, 0), flags & ~TS_DECL_TYPE);
911 dump_decl (TREE_OPERAND (t, 1), flags);
915 dump_decl (TREE_OPERAND (t, 0), flags);
917 dump_decl (TREE_OPERAND (t, 1), flags);
921 /* So that we can do dump_decl on an aggr type. */
925 dump_type (t, flags);
929 my_friendly_abort (69);
932 /* These special cases are duplicated here so that other functions
933 can feed identifiers to cp_error and get them demangled properly. */
934 case IDENTIFIER_NODE:
936 if (DESTRUCTOR_NAME_P (t)
937 && (f = ident_fndecl (t))
938 && DECL_LANGUAGE (f) == lang_cplusplus)
941 dump_decl (DECL_NAME (f), flags);
943 else if (IDENTIFIER_TYPENAME_P (t))
945 OB_PUTS ("operator ");
946 /* Not exactly IDENTIFIER_TYPE_VALUE. */
947 dump_type (TREE_TYPE (t), flags);
950 else if (IDENTIFIER_OPNAME_P (t))
952 const char *name_string = operator_name_string (t);
953 OB_PUTS ("operator");
954 if (ISALPHA (name_string[0]))
956 OB_PUTCP (name_string);
968 if (GLOBAL_IORD_P (DECL_ASSEMBLER_NAME (t)))
969 dump_global_iord (DECL_ASSEMBLER_NAME (t));
970 else if (! DECL_LANG_SPECIFIC (t))
971 OB_PUTS ("{internal}");
972 else if (flags & TS_PEDANTIC_NAME)
973 dump_function_decl (t, flags | TS_FUNC_NORETURN | TS_DECL_TYPE);
975 dump_function_decl (t, flags);
979 if (flags & TS_PEDANTIC_NAME)
980 dump_template_decl (t, flags | TS_FUNC_NORETURN | TS_DECL_TYPE);
982 dump_template_decl (t, flags);
985 case TEMPLATE_ID_EXPR:
988 tree name = TREE_OPERAND (t, 0);
989 if (is_overloaded_fn (name))
990 name = DECL_NAME (get_first_fn (name));
991 dump_decl (name, flags);
993 for (args = TREE_OPERAND (t, 1); args; args = TREE_CHAIN (args))
995 dump_template_argument (TREE_VALUE (args), flags);
996 if (TREE_CHAIN (args))
999 OB_END_TEMPLATE_ID ();
1004 dump_decl (TREE_OPERAND (t, 0), flags);
1008 OB_PUTID (DECL_NAME (t));
1012 if ((TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == ENUMERAL_TYPE)
1013 || (DECL_INITIAL (t) &&
1014 TREE_CODE (DECL_INITIAL (t)) == TEMPLATE_PARM_INDEX))
1015 dump_simple_decl (t, TREE_TYPE (t), flags);
1016 else if (DECL_NAME (t))
1017 dump_decl (DECL_NAME (t), flags);
1018 else if (DECL_INITIAL (t))
1019 dump_expr (DECL_INITIAL (t), flags | TS_EXPR_PARENS);
1021 OB_PUTS ("enumerator");
1026 dump_type (DECL_INITIAL (t), flags);
1028 OB_PUTID (DECL_NAME (t));
1032 sorry ("`%s' not supported by dump_decl",
1033 tree_code_name[(int) TREE_CODE (t)]);
1034 /* Fallthrough to error. */
1037 OB_PUTS ("{declaration error}");
1042 /* Dump a template declaration T under control of FLAGS. This means the
1043 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
1046 dump_template_decl (t, flags)
1048 enum tree_string_flags flags;
1050 tree orig_parms = DECL_TEMPLATE_PARMS (t);
1054 if (flags & TS_TEMPLATE_PREFIX)
1056 for (parms = orig_parms = nreverse (orig_parms);
1058 parms = TREE_CHAIN (parms))
1060 tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
1061 int len = TREE_VEC_LENGTH (inner_parms);
1063 OB_PUTS ("template <");
1064 for (i = 0; i < len; i++)
1068 dump_template_parameter (TREE_VEC_ELT (inner_parms, i), flags);
1070 OB_END_TEMPLATE_ID ();
1073 nreverse(orig_parms);
1074 /* If we've shown the template<args> prefix, we'd better show the
1076 flags |= TS_DECL_TYPE;
1078 if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
1079 dump_type (TREE_TYPE (t),
1080 ((flags & ~TS_AGGR_TAGS) | TS_TEMPLATE_PLAIN
1081 | (flags & TS_DECL_TYPE ? TS_AGGR_TAGS : 0)));
1082 else if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == VAR_DECL)
1083 dump_decl (DECL_TEMPLATE_RESULT (t), flags | TS_TEMPLATE_PLAIN);
1084 else if (TREE_TYPE (t) == NULL_TREE)
1085 my_friendly_abort (353);
1087 switch (NEXT_CODE (t))
1091 dump_function_decl (t, flags | TS_TEMPLATE_PLAIN);
1094 /* This case can occur with some illegal code. */
1095 dump_type (TREE_TYPE (t),
1096 (flags & ~TS_AGGR_TAGS) | TS_TEMPLATE_PLAIN
1097 | (flags & TS_DECL_TYPE ? TS_AGGR_TAGS : 0));
1101 /* Pretty print a function decl. There are several ways we want to print a
1102 function declaration. The TS_FUNC bits in FLAGS tells us how to behave.
1103 As cp_error can only apply the '#' flag once to give 0 and 1 for V, there
1104 is %D which doesn't print the throw specs, and %F which does. */
1107 dump_function_decl (t, flags)
1109 enum tree_string_flags flags;
1113 tree cname = NULL_TREE;
1114 tree template_args = NULL_TREE;
1115 tree template_parms = NULL_TREE;
1116 int show_return = !(flags & TS_FUNC_NORETURN) && (flags & TS_DECL_TYPE);
1118 if (TREE_CODE (t) == TEMPLATE_DECL)
1119 t = DECL_TEMPLATE_RESULT (t);
1121 /* Pretty print template instantiations only. */
1122 if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t))
1124 template_args = DECL_TI_ARGS (t);
1125 t = most_general_template (t);
1126 if (TREE_CODE (t) == TEMPLATE_DECL)
1127 template_parms = DECL_TEMPLATE_PARMS (t);
1130 fntype = TREE_TYPE (t);
1131 parmtypes = TYPE_ARG_TYPES (fntype);
1133 /* Friends have DECL_CLASS_CONTEXT set, but not DECL_CONTEXT. */
1134 if (DECL_CLASS_SCOPE_P (t))
1135 cname = DECL_CLASS_CONTEXT (t);
1136 /* this is for partially instantiated template methods */
1137 else if (TREE_CODE (fntype) == METHOD_TYPE)
1138 cname = TREE_TYPE (TREE_VALUE (parmtypes));
1140 if (!(flags & TS_DECORATE))
1142 else if (DECL_STATIC_FUNCTION_P (t))
1143 OB_PUTS ("static ");
1144 else if (TYPE_POLYMORPHIC_P (t))
1145 OB_PUTS ("virtual ");
1147 /* Print the return type? */
1149 show_return = !DECL_CONV_FN_P (t) && !DECL_CONSTRUCTOR_P (t)
1150 && !DECL_DESTRUCTOR_P (t);
1153 if (dump_type_prefix (TREE_TYPE (fntype), flags) != none)
1157 /* Print the function name. */
1160 dump_type (cname, flags);
1164 dump_scope (CP_DECL_CONTEXT (t), flags);
1166 dump_function_name (t, flags);
1168 if (!(flags & TS_DECL_TYPE))
1170 if (TREE_CODE (fntype) == METHOD_TYPE && parmtypes)
1171 /* Skip "this" parameter. */
1172 parmtypes = TREE_CHAIN (parmtypes);
1174 if (DECL_DESTRUCTOR_P (t) || DECL_CONSTRUCTOR_FOR_VBASE_P (t))
1175 /* Skip past "in_charge" identifier. */
1176 parmtypes = TREE_CHAIN (parmtypes);
1178 dump_parameters (parmtypes, flags);
1181 dump_type_suffix (TREE_TYPE (fntype), flags);
1183 if (TREE_CODE (fntype) == METHOD_TYPE)
1184 dump_qualifiers (TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (fntype))),
1187 if (flags & TS_FUNC_THROW)
1188 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (fntype), flags);
1190 /* If T is a template instantiation, dump the parameter binding. */
1191 if (template_parms != NULL_TREE && template_args != NULL_TREE)
1193 OB_PUTS (" [with ");
1194 dump_template_bindings (template_parms, template_args);
1199 /* Print a parameter list. If this is for a member function, the
1200 member object ptr (and any other hidden args) should have
1201 already been removed. */
1204 dump_parameters (parmtypes, flags)
1206 enum tree_string_flags flags;
1211 for (first = 1; parmtypes != void_list_node;
1212 parmtypes = TREE_CHAIN (parmtypes))
1222 dump_type (TREE_VALUE (parmtypes), flags);
1224 if ((flags & TS_PARM_DEFAULTS) && TREE_PURPOSE (parmtypes))
1227 dump_expr (TREE_PURPOSE (parmtypes), flags | TS_EXPR_PARENS);
1234 /* Print an exception specification. T is the exception specification. */
1237 dump_exception_spec (t, flags)
1239 enum tree_string_flags flags;
1243 OB_PUTS (" throw (");
1244 if (TREE_VALUE (t) != NULL_TREE)
1247 dump_type (TREE_VALUE (t), flags);
1257 /* Handle the function name for a FUNCTION_DECL node, grokking operators
1258 and destructors properly. */
1261 dump_function_name (t, flags)
1263 enum tree_string_flags flags;
1265 tree name = DECL_NAME (t);
1267 if (DECL_DESTRUCTOR_P (t))
1270 dump_decl (name, TS_PLAIN);
1272 else if (DECL_CONV_FN_P (t))
1274 /* This cannot use the hack that the operator's return
1275 type is stashed off of its name because it may be
1276 used for error reporting. In the case of conflicting
1277 declarations, both will have the same name, yet
1278 the types will be different, hence the TREE_TYPE field
1279 of the first name will be clobbered by the second. */
1280 OB_PUTS ("operator ");
1281 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1283 else if (IDENTIFIER_OPNAME_P (name))
1285 const char *name_string = operator_name_string (name);
1286 OB_PUTS ("operator");
1287 if (ISALPHA (name_string[0]))
1289 OB_PUTCP (name_string);
1292 dump_decl (name, flags);
1294 if (DECL_LANG_SPECIFIC (t) && DECL_TEMPLATE_INFO (t)
1295 && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)
1296 && (DECL_TEMPLATE_SPECIALIZATION (t)
1297 || TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL
1298 || DECL_TEMPLATE_SPECIALIZATION (DECL_TI_TEMPLATE (t))
1299 || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t))))
1300 dump_template_parms (DECL_TEMPLATE_INFO (t), !DECL_USE_TEMPLATE (t), flags);
1303 /* Dump the template parameters from the template info INFO under control of
1304 FLAGS. PRIMARY indicates whether this is a primary template decl, or
1305 specialization (partial or complete). For partial specializations we show
1306 the specialized parameter values. For a primary template we show no
1310 dump_template_parms (info, primary, flags)
1313 enum tree_string_flags flags;
1315 tree args = info ? TI_ARGS (info) : NULL_TREE;
1317 if (primary && flags & TS_TEMPLATE_PLAIN)
1319 flags &= ~(TS_AGGR_TAGS | TS_TEMPLATE_PLAIN);
1322 /* Be careful only to print things when we have them, so as not
1323 to crash producing error messages. */
1324 if (args && !primary)
1330 if (TREE_CODE (args) == TREE_VEC)
1332 if (TREE_VEC_LENGTH (args) > 0
1333 && TREE_CODE (TREE_VEC_ELT (args, 0)) == TREE_VEC)
1334 args = TREE_VEC_ELT (args, TREE_VEC_LENGTH (args) - 1);
1336 len = TREE_VEC_LENGTH (args);
1338 else if (TREE_CODE (args) == TREE_LIST)
1340 while (ix != len && args)
1345 arg = TREE_VEC_ELT (args, ix);
1350 arg = TREE_VALUE (args);
1351 args = TREE_CHAIN (args);
1357 OB_PUTS ("{template parameter error}");
1359 dump_template_argument (arg, flags);
1365 tree tpl = TI_TEMPLATE (info);
1366 tree parms = DECL_TEMPLATE_PARMS (tpl);
1369 parms = TREE_CODE (parms) == TREE_LIST ? TREE_VALUE (parms) : NULL_TREE;
1370 len = parms ? TREE_VEC_LENGTH (parms) : 0;
1372 for (ix = 0; ix != len; ix++)
1374 tree parm = TREE_VALUE (TREE_VEC_ELT (parms, ix));
1379 dump_decl (parm, flags & ~TS_DECL_TYPE);
1382 OB_END_TEMPLATE_ID ();
1391 case TARGET_NEWLINE:
1426 sprintf (digit_buffer, "\\%03o", (int) c);
1427 OB_PUTCP (digit_buffer);
1432 /* Print out a list of initializers (subr of dump_expr) */
1435 dump_expr_list (l, flags)
1437 enum tree_string_flags flags;
1441 dump_expr (TREE_VALUE (l), flags | TS_EXPR_PARENS);
1448 /* Print out an expression E under control of FLAGS. */
1451 dump_expr (t, flags)
1453 enum tree_string_flags flags;
1455 switch (TREE_CODE (t))
1463 case NAMESPACE_DECL:
1465 dump_decl (t, flags & ~TS_DECL_TYPE);
1470 tree type = TREE_TYPE (t);
1471 my_friendly_assert (type != 0, 81);
1473 /* If it's an enum, output its tag, rather than its value. */
1474 if (TREE_CODE (type) == ENUMERAL_TYPE)
1476 const char *p = enum_name_string (t, type);
1479 else if (type == boolean_type_node)
1481 if (t == boolean_false_node
1482 || (TREE_INT_CST_LOW (t) == 0
1483 && TREE_INT_CST_HIGH (t) == 0))
1485 else if (t == boolean_true_node)
1488 else if (type == char_type_node)
1491 dump_char (TREE_INT_CST_LOW (t));
1494 else if (TREE_INT_CST_HIGH (t)
1495 != (TREE_INT_CST_LOW (t) >> (HOST_BITS_PER_WIDE_INT - 1)))
1498 if (TREE_INT_CST_HIGH (val) < 0)
1501 val = build_int_2 (~TREE_INT_CST_LOW (val),
1502 -TREE_INT_CST_HIGH (val));
1504 /* Would "%x%0*x" or "%x%*0x" get zero-padding on all
1507 static char format[10]; /* "%x%09999x\0" */
1509 sprintf (format, "%%x%%0%dx", HOST_BITS_PER_INT / 4);
1510 sprintf (digit_buffer, format, TREE_INT_CST_HIGH (val),
1511 TREE_INT_CST_LOW (val));
1512 OB_PUTCP (digit_buffer);
1516 OB_PUTI (TREE_INT_CST_LOW (t));
1521 #ifndef REAL_IS_NOT_DOUBLE
1522 sprintf (digit_buffer, "%g", TREE_REAL_CST (t));
1525 const unsigned char *p = (const unsigned char *) &TREE_REAL_CST (t);
1527 strcpy (digit_buffer, "0x");
1528 for (i = 0; i < sizeof TREE_REAL_CST (t); i++)
1529 sprintf (digit_buffer + 2 + 2*i, "%02x", *p++);
1532 OB_PUTCP (digit_buffer);
1537 dump_type (PTRMEM_CST_CLASS (t), flags);
1539 OB_PUTID (DECL_NAME (PTRMEM_CST_MEMBER (t)));
1544 const char *p = TREE_STRING_POINTER (t);
1545 int len = TREE_STRING_LENGTH (t) - 1;
1549 for (i = 0; i < len; i++)
1557 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1559 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1565 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1567 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1569 dump_expr (TREE_OPERAND (t, 2), flags | TS_EXPR_PARENS);
1574 if (TREE_HAS_CONSTRUCTOR (t))
1577 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1581 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1585 case AGGR_INIT_EXPR:
1587 tree fn = NULL_TREE;
1589 if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR)
1590 fn = TREE_OPERAND (TREE_OPERAND (t, 0), 0);
1592 if (fn && TREE_CODE (fn) == FUNCTION_DECL)
1594 if (DECL_CONSTRUCTOR_P (fn))
1595 OB_PUTID (TYPE_IDENTIFIER (TREE_TYPE (t)));
1600 dump_expr (TREE_OPERAND (t, 0), 0);
1603 if (TREE_OPERAND (t, 1))
1604 dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
1610 tree fn = TREE_OPERAND (t, 0);
1611 tree args = TREE_OPERAND (t, 1);
1613 if (TREE_CODE (fn) == ADDR_EXPR)
1614 fn = TREE_OPERAND (fn, 0);
1616 if (TREE_TYPE (fn) != NULL_TREE && NEXT_CODE (fn) == METHOD_TYPE)
1618 tree ob = TREE_VALUE (args);
1619 if (TREE_CODE (ob) == ADDR_EXPR)
1621 dump_expr (TREE_OPERAND (ob, 0), flags | TS_EXPR_PARENS);
1624 else if (TREE_CODE (ob) != PARM_DECL
1625 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
1627 dump_expr (ob, flags | TS_EXPR_PARENS);
1630 args = TREE_CHAIN (args);
1632 dump_expr (fn, flags | TS_EXPR_PARENS);
1634 dump_expr_list (args, flags);
1641 tree type = TREE_OPERAND (t, 1);
1642 if (NEW_EXPR_USE_GLOBAL (t))
1645 if (TREE_OPERAND (t, 0))
1648 dump_expr_list (TREE_OPERAND (t, 0), flags);
1651 if (TREE_CODE (type) == ARRAY_REF)
1652 type = build_cplus_array_type
1653 (TREE_OPERAND (type, 0),
1654 build_index_type (size_binop (MINUS_EXPR, TREE_OPERAND (type, 1),
1655 integer_one_node)));
1656 dump_type (type, flags);
1657 if (TREE_OPERAND (t, 2))
1660 dump_expr_list (TREE_OPERAND (t, 2), flags);
1667 /* Note that this only works for G++ target exprs. If somebody
1668 builds a general TARGET_EXPR, there's no way to represent that
1669 it initializes anything other that the parameter slot for the
1670 default argument. Note we may have cleared out the first
1671 operand in expand_expr, so don't go killing ourselves. */
1672 if (TREE_OPERAND (t, 1))
1673 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1681 case TRUNC_DIV_EXPR:
1682 case TRUNC_MOD_EXPR:
1690 case BIT_ANDTC_EXPR:
1691 case TRUTH_ANDIF_EXPR:
1692 case TRUTH_ORIF_EXPR:
1699 case EXACT_DIV_EXPR:
1700 dump_binary_op (opname_tab[(int) TREE_CODE (t)], t, flags);
1704 case FLOOR_DIV_EXPR:
1705 case ROUND_DIV_EXPR:
1706 dump_binary_op ("/", t, flags);
1710 case FLOOR_MOD_EXPR:
1711 case ROUND_MOD_EXPR:
1712 dump_binary_op ("%", t, flags);
1717 tree ob = TREE_OPERAND (t, 0);
1718 if (TREE_CODE (ob) == INDIRECT_REF)
1720 ob = TREE_OPERAND (ob, 0);
1721 if (TREE_CODE (ob) != PARM_DECL
1722 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
1724 dump_expr (ob, flags | TS_EXPR_PARENS);
1730 dump_expr (ob, flags | TS_EXPR_PARENS);
1733 dump_expr (TREE_OPERAND (t, 1), flags & ~TS_EXPR_PARENS);
1738 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1740 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1745 if (same_type_p (TREE_TYPE (t), void_type_node))
1748 dump_expr (TREE_OPERAND (t, 0), flags);
1751 dump_unary_op ("+", t, flags);
1755 if (TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL
1756 || TREE_CODE (TREE_OPERAND (t, 0)) == STRING_CST)
1757 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1759 dump_unary_op ("&", t, flags);
1763 if (TREE_HAS_CONSTRUCTOR (t))
1765 t = TREE_OPERAND (t, 0);
1766 my_friendly_assert (TREE_CODE (t) == CALL_EXPR, 237);
1767 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1769 dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
1774 if (TREE_OPERAND (t,0) != NULL_TREE
1775 && TREE_TYPE (TREE_OPERAND (t, 0))
1776 && NEXT_CODE (TREE_OPERAND (t, 0)) == REFERENCE_TYPE)
1777 dump_expr (TREE_OPERAND (t, 0), flags);
1779 dump_unary_op ("*", t, flags);
1785 case TRUTH_NOT_EXPR:
1786 case PREDECREMENT_EXPR:
1787 case PREINCREMENT_EXPR:
1788 dump_unary_op (opname_tab [(int)TREE_CODE (t)], t, flags);
1791 case POSTDECREMENT_EXPR:
1792 case POSTINCREMENT_EXPR:
1794 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1795 OB_PUTCP (opname_tab[(int)TREE_CODE (t)]);
1799 case NON_LVALUE_EXPR:
1800 /* FIXME: This is a KLUDGE workaround for a parsing problem. There
1801 should be another level of INDIRECT_REF so that I don't have to do
1803 if (TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == POINTER_TYPE)
1805 tree next = TREE_TYPE (TREE_TYPE (t));
1807 while (TREE_CODE (next) == POINTER_TYPE)
1808 next = TREE_TYPE (next);
1810 if (TREE_CODE (next) == FUNCTION_TYPE)
1812 if (flags & TS_EXPR_PARENS)
1815 dump_expr (TREE_OPERAND (t, 0), flags & ~TS_EXPR_PARENS);
1816 if (flags & TS_EXPR_PARENS)
1822 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
1826 dump_expr (TREE_OPERAND (t, 0), flags);
1829 case EXPR_WITH_FILE_LOCATION:
1830 dump_expr (EXPR_WFL_NODE (t), flags);
1834 if (TREE_TYPE (t) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
1836 tree idx = build_component_ref (t, index_identifier, NULL_TREE, 0);
1838 if (integer_all_onesp (idx))
1840 tree pfn = PFN_FROM_PTRMEMFUNC (t);
1841 dump_unary_op ("&", pfn, flags | TS_EXPR_PARENS);
1844 else if (TREE_CODE (idx) == INTEGER_CST
1845 && tree_int_cst_equal (idx, integer_zero_node))
1847 /* A NULL pointer-to-member constant. */
1849 dump_type (TREE_TYPE (t), flags);
1853 else if (TREE_CODE (idx) == INTEGER_CST
1854 && TREE_INT_CST_HIGH (idx) == 0)
1857 unsigned HOST_WIDE_INT n;
1859 t = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t)));
1860 t = TYPE_METHOD_BASETYPE (t);
1861 virtuals = TYPE_BINFO_VIRTUALS (TYPE_MAIN_VARIANT (t));
1863 n = TREE_INT_CST_LOW (idx);
1865 /* Map vtable index back one, to allow for the null pointer to
1869 while (n > 0 && virtuals)
1872 virtuals = TREE_CHAIN (virtuals);
1876 dump_expr (TREE_VALUE (virtuals),
1877 flags | TS_EXPR_PARENS);
1883 dump_expr_list (CONSTRUCTOR_ELTS (t), flags);
1889 tree ob = TREE_OPERAND (t, 0);
1890 if (is_dummy_object (ob))
1892 t = TREE_OPERAND (t, 1);
1893 if (TREE_CODE (t) == FUNCTION_DECL)
1895 dump_expr (t, flags | TS_EXPR_PARENS);
1896 else if (BASELINK_P (t))
1897 dump_expr (OVL_CURRENT (TREE_VALUE (t)), flags | TS_EXPR_PARENS);
1899 dump_decl (t, flags);
1903 if (TREE_CODE (ob) == INDIRECT_REF)
1905 dump_expr (TREE_OPERAND (ob, 0), flags | TS_EXPR_PARENS);
1910 dump_expr (ob, flags | TS_EXPR_PARENS);
1913 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1918 case TEMPLATE_PARM_INDEX:
1919 dump_decl (TEMPLATE_PARM_DECL (t), flags & ~TS_DECL_TYPE);
1922 case IDENTIFIER_NODE:
1927 dump_type (TREE_OPERAND (t, 0), flags);
1929 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
1933 if (TREE_OPERAND (t, 0) == NULL_TREE
1934 || TREE_CHAIN (TREE_OPERAND (t, 0)))
1936 dump_type (TREE_TYPE (t), flags);
1938 dump_expr_list (TREE_OPERAND (t, 0), flags);
1944 dump_type (TREE_TYPE (t), flags);
1947 dump_expr_list (TREE_OPERAND (t, 0), flags);
1953 OB_PUTID (TREE_OPERAND (t, 0));
1957 dump_expr (TREE_OPERAND (t, 0), flags);
1963 if (TREE_CODE (t) == SIZEOF_EXPR)
1964 OB_PUTS ("sizeof (");
1967 my_friendly_assert (TREE_CODE (t) == ALIGNOF_EXPR, 0);
1968 OB_PUTS ("__alignof__ (");
1970 if (TREE_CODE_CLASS (TREE_CODE (TREE_OPERAND (t, 0))) == 't')
1971 dump_type (TREE_OPERAND (t, 0), flags);
1973 dump_unary_op ("*", t, flags | TS_EXPR_PARENS);
1978 OB_PUTS ("{unparsed}");
1981 case TRY_CATCH_EXPR:
1982 case WITH_CLEANUP_EXPR:
1983 case CLEANUP_POINT_EXPR:
1984 dump_expr (TREE_OPERAND (t, 0), flags);
1987 case PSEUDO_DTOR_EXPR:
1988 dump_expr (TREE_OPERAND (t, 2), flags);
1990 dump_type (TREE_OPERAND (t, 0), flags);
1992 dump_type (TREE_OPERAND (t, 1), flags);
1995 case TEMPLATE_ID_EXPR:
1996 dump_decl (t, flags);
2000 /* We don't yet have a way of dumping statements in a
2001 human-readable format. */
2002 OB_PUTS ("{ ... }");
2007 dump_expr (TREE_OPERAND (t, 1), flags & ~TS_EXPR_PARENS);
2012 OB_PUTS ("while (1) { ");
2013 dump_expr (TREE_OPERAND (t, 0), flags & ~TS_EXPR_PARENS);
2019 dump_expr (TREE_OPERAND (t, 0), flags & ~TS_EXPR_PARENS);
2020 OB_PUTS (") break; ");
2024 if (TREE_VALUE (t) && TREE_CODE (TREE_VALUE (t)) == FUNCTION_DECL)
2026 OB_PUTID (DECL_NAME (TREE_VALUE (t)));
2029 /* else fall through */
2031 /* This list is incomplete, but should suffice for now.
2032 It is very important that `sorry' does not call
2033 `report_error_function'. That could cause an infinite loop. */
2035 sorry ("`%s' not supported by dump_expr",
2036 tree_code_name[(int) TREE_CODE (t)]);
2038 /* fall through to ERROR_MARK... */
2040 OB_PUTCP ("{expression error}");
2046 dump_binary_op (opstring, t, flags)
2047 const char *opstring;
2049 enum tree_string_flags flags;
2052 dump_expr (TREE_OPERAND (t, 0), flags | TS_EXPR_PARENS);
2055 OB_PUTCP (opstring);
2057 OB_PUTS ("<unknown operator>");
2059 dump_expr (TREE_OPERAND (t, 1), flags | TS_EXPR_PARENS);
2064 dump_unary_op (opstring, t, flags)
2065 const char *opstring;
2067 enum tree_string_flags flags;
2069 if (flags & TS_EXPR_PARENS)
2071 OB_PUTCP (opstring);
2072 dump_expr (TREE_OPERAND (t, 0), flags & ~TS_EXPR_PARENS);
2073 if (flags & TS_EXPR_PARENS)
2077 /* Exported interface to stringifying types, exprs and decls under TS_*
2081 type_as_string (typ, flags)
2083 enum tree_string_flags flags;
2087 dump_type (typ, flags);
2091 return (char *)obstack_base (&scratch_obstack);
2095 expr_as_string (decl, flags)
2097 enum tree_string_flags flags;
2101 dump_expr (decl, flags);
2105 return (char *)obstack_base (&scratch_obstack);
2109 decl_as_string (decl, flags)
2111 enum tree_string_flags flags;
2115 dump_decl (decl, flags);
2119 return (char *)obstack_base (&scratch_obstack);
2123 context_as_string (context, flags)
2125 enum tree_string_flags flags;
2129 dump_scope (context, flags);
2133 return (char *)obstack_base (&scratch_obstack);
2136 /* Generate the three forms of printable names for lang_printable_name. */
2139 lang_decl_name (decl, v)
2144 return decl_as_string (decl, TS_DECL_TYPE);
2148 if (v == 1 && DECL_CLASS_SCOPE_P (decl))
2151 if (TREE_CODE (decl) == FUNCTION_DECL)
2152 cname = DECL_CLASS_CONTEXT (decl);
2154 cname = DECL_CONTEXT (decl);
2155 dump_type (cname, TS_PLAIN);
2159 if (TREE_CODE (decl) == FUNCTION_DECL)
2160 dump_function_name (decl, TS_PLAIN);
2162 dump_decl (DECL_NAME (decl), TS_PLAIN);
2166 return (char *)obstack_base (&scratch_obstack);
2173 if (TREE_CODE (t) == PARM_DECL && DECL_CONTEXT (t))
2174 return DECL_SOURCE_FILE (DECL_CONTEXT (t));
2175 else if (TREE_CODE_CLASS (TREE_CODE (t)) == 't')
2176 return DECL_SOURCE_FILE (TYPE_MAIN_DECL (t));
2177 else if (TREE_CODE (t) == OVERLOAD)
2178 return DECL_SOURCE_FILE (OVL_FUNCTION (t));
2180 return DECL_SOURCE_FILE (t);
2188 if (TREE_CODE (t) == PARM_DECL && DECL_CONTEXT (t))
2189 line = DECL_SOURCE_LINE (DECL_CONTEXT (t));
2190 if (TREE_CODE (t) == TYPE_DECL && DECL_ARTIFICIAL (t)
2191 && TYPE_MAIN_DECL (TREE_TYPE (t)))
2194 if (TREE_CODE_CLASS (TREE_CODE (t)) == 't')
2195 line = DECL_SOURCE_LINE (TYPE_MAIN_DECL (t));
2196 else if (TREE_CODE (t) == OVERLOAD)
2197 line = DECL_SOURCE_LINE (OVL_FUNCTION (t));
2199 line = DECL_SOURCE_LINE (t);
2207 /* Now the interfaces from cp_error et al to dump_type et al. Each takes an
2208 on/off VERBOSE flag and supply the appropriate TS_ flags to a dump_
2212 decl_to_string (decl, verbose)
2216 enum tree_string_flags flags = 0;
2218 if (TREE_CODE (decl) == TYPE_DECL || TREE_CODE (decl) == RECORD_TYPE
2219 || TREE_CODE (decl) == UNION_TYPE || TREE_CODE (decl) == ENUMERAL_TYPE)
2220 flags = TS_AGGR_TAGS;
2222 flags |= TS_DECL_TYPE | TS_DECORATE | TS_PARM_DEFAULTS;
2223 else if (TREE_CODE (decl) == FUNCTION_DECL)
2224 flags |= TS_DECL_TYPE | TS_FUNC_NORETURN;
2225 flags |= TS_TEMPLATE_PREFIX;
2229 dump_decl (decl, flags);
2233 return (char *)obstack_base (&scratch_obstack);
2237 expr_to_string (decl, verbose)
2239 int verbose ATTRIBUTE_UNUSED;
2243 dump_expr (decl, 0);
2247 return (char *)obstack_base (&scratch_obstack);
2251 fndecl_to_string (fndecl, verbose)
2255 enum tree_string_flags flags;
2257 flags = TS_FUNC_THROW | TS_DECL_TYPE;
2259 flags |= TS_PARM_DEFAULTS;
2262 dump_decl (fndecl, flags);
2266 return (char *)obstack_base (&scratch_obstack);
2271 code_to_string (c, v)
2273 int v ATTRIBUTE_UNUSED;
2275 return tree_code_name [c];
2279 language_to_string (c, v)
2281 int v ATTRIBUTE_UNUSED;
2288 case lang_cplusplus:
2295 my_friendly_abort (355);
2300 /* Return the proper printed version of a parameter to a C++ function. */
2303 parm_to_string (p, v)
2305 int v ATTRIBUTE_UNUSED;
2310 sprintf (digit_buffer, "%d", p+1);
2311 return digit_buffer;
2317 int v ATTRIBUTE_UNUSED;
2319 static char buf[] = "operator ";
2324 strcpy (buf + 8, opname_tab [p]);
2329 type_to_string (typ, verbose)
2333 enum tree_string_flags flags;
2337 flags |= TS_AGGR_TAGS;
2338 flags |= TS_TEMPLATE_PREFIX;
2342 dump_type (typ, flags);
2346 return (char *)obstack_base (&scratch_obstack);
2350 assop_to_string (p, v)
2352 int v ATTRIBUTE_UNUSED;
2354 static char buf[] = "operator ";
2359 strcpy (buf + 9, assignop_tab [p]);
2364 args_to_string (p, verbose)
2368 enum tree_string_flags flags = 0;
2370 flags |= TS_AGGR_TAGS;
2375 if (TREE_CODE_CLASS (TREE_CODE (TREE_VALUE (p))) == 't')
2376 return type_as_string (p, flags);
2379 for (; p; p = TREE_CHAIN (p))
2381 if (TREE_VALUE (p) == null_node)
2384 dump_type (error_type (TREE_VALUE (p)), flags);
2389 return (char *)obstack_base (&scratch_obstack);
2395 int v ATTRIBUTE_UNUSED;
2399 dump_qualifiers (p, before);
2403 return (char *)obstack_base (&scratch_obstack);