1 /* Call-backs for C++ error reporting.
2 This code is non-reentrant.
3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
4 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
23 #include "coretypes.h"
30 #include "diagnostic.h"
31 #include "langhooks-def.h"
32 #include "cxx-pretty-print.h"
34 #define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
36 /* The global buffer where we dump everything. It is there only for
37 transitional purpose. It is expected, in the near future, to be
38 completely removed. */
39 static cxx_pretty_printer scratch_pretty_printer;
40 #define cxx_pp (&scratch_pretty_printer)
42 # define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
44 static const char *args_to_string (tree, int);
45 static const char *assop_to_string (enum tree_code);
46 static const char *code_to_string (enum tree_code);
47 static const char *cv_to_string (tree, int);
48 static const char *decl_to_string (tree, int);
49 static const char *expr_to_string (tree);
50 static const char *fndecl_to_string (tree, int);
51 static const char *op_to_string (enum tree_code);
52 static const char *parm_to_string (int);
53 static const char *type_to_string (tree, int);
55 static void dump_type (tree, int);
56 static void dump_typename (tree, int);
57 static void dump_simple_decl (tree, tree, int);
58 static void dump_decl (tree, int);
59 static void dump_template_decl (tree, int);
60 static void dump_function_decl (tree, int);
61 static void dump_expr (tree, int);
62 static void dump_unary_op (const char *, tree, int);
63 static void dump_binary_op (const char *, tree, int);
64 static void dump_aggr_type (tree, int);
65 static void dump_type_prefix (tree, int);
66 static void dump_type_suffix (tree, int);
67 static void dump_function_name (tree, int);
68 static void dump_call_expr_args (tree, int, bool);
69 static void dump_aggr_init_expr_args (tree, int, bool);
70 static void dump_expr_list (tree, int);
71 static void dump_global_iord (tree);
72 static void dump_parameters (tree, int);
73 static void dump_exception_spec (tree, int);
74 static void dump_template_argument (tree, int);
75 static void dump_template_argument_list (tree, int);
76 static void dump_template_parameter (tree, int);
77 static void dump_template_bindings (tree, tree);
78 static void dump_scope (tree, int);
79 static void dump_template_parms (tree, int, int);
81 static const char *function_category (tree);
82 static void maybe_print_instantiation_context (diagnostic_context *);
83 static void print_instantiation_full_context (diagnostic_context *);
84 static void print_instantiation_partial_context (diagnostic_context *,
87 static void cp_diagnostic_starter (diagnostic_context *, diagnostic_info *);
88 static void cp_diagnostic_finalizer (diagnostic_context *, diagnostic_info *);
89 static void cp_print_error_function (diagnostic_context *, diagnostic_info *);
91 static bool cp_printer (pretty_printer *, text_info *, const char *,
92 int, bool, bool, bool);
93 static location_t location_of (tree);
98 diagnostic_starter (global_dc) = cp_diagnostic_starter;
99 diagnostic_finalizer (global_dc) = cp_diagnostic_finalizer;
100 diagnostic_format_decoder (global_dc) = cp_printer;
102 pp_construct (pp_base (cxx_pp), NULL, 0);
103 pp_cxx_pretty_printer_init (cxx_pp);
106 /* Dump a scope, if deemed necessary. */
109 dump_scope (tree scope, int flags)
111 int f = ~TFF_RETURN_TYPE & (flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF));
113 if (scope == NULL_TREE)
116 if (TREE_CODE (scope) == NAMESPACE_DECL)
118 if (scope != global_namespace)
120 dump_decl (scope, f);
121 pp_cxx_colon_colon (cxx_pp);
124 else if (AGGREGATE_TYPE_P (scope))
126 dump_type (scope, f);
127 pp_cxx_colon_colon (cxx_pp);
129 else if ((flags & TFF_SCOPE) && TREE_CODE (scope) == FUNCTION_DECL)
131 dump_function_decl (scope, f);
132 pp_cxx_colon_colon (cxx_pp);
136 /* Dump the template ARGument under control of FLAGS. */
139 dump_template_argument (tree arg, int flags)
141 if (ARGUMENT_PACK_P (arg))
142 dump_template_argument_list (ARGUMENT_PACK_ARGS (arg), flags);
143 else if (TYPE_P (arg) || TREE_CODE (arg) == TEMPLATE_DECL)
144 dump_type (arg, flags & ~TFF_CLASS_KEY_OR_ENUM);
146 dump_expr (arg, (flags | TFF_EXPR_IN_PARENS) & ~TFF_CLASS_KEY_OR_ENUM);
149 /* Dump a template-argument-list ARGS (always a TREE_VEC) under control
153 dump_template_argument_list (tree args, int flags)
155 int n = TREE_VEC_LENGTH (args);
159 for (i = 0; i< n; ++i)
161 tree arg = TREE_VEC_ELT (args, i);
163 /* Only print a comma if we know there is an argument coming. In
164 the case of an empty template argument pack, no actual
165 argument will be printed. */
167 && (!ARGUMENT_PACK_P (arg)
168 || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg)) > 0))
169 pp_separate_with_comma (cxx_pp);
171 dump_template_argument (arg, flags);
176 /* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
179 dump_template_parameter (tree parm, int flags)
184 if (parm == error_mark_node)
187 p = TREE_VALUE (parm);
188 a = TREE_PURPOSE (parm);
190 if (TREE_CODE (p) == TYPE_DECL)
192 if (flags & TFF_DECL_SPECIFIERS)
194 pp_cxx_identifier (cxx_pp, "class");
195 if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (p)))
196 pp_cxx_identifier (cxx_pp, "...");
198 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
200 else if (DECL_NAME (p))
201 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
203 pp_cxx_canonical_template_parameter (cxx_pp, TREE_TYPE (p));
206 dump_decl (p, flags | TFF_DECL_SPECIFIERS);
208 if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && a != NULL_TREE)
210 pp_cxx_whitespace (cxx_pp);
212 pp_cxx_whitespace (cxx_pp);
213 if (TREE_CODE (p) == TYPE_DECL || TREE_CODE (p) == TEMPLATE_DECL)
214 dump_type (a, flags & ~TFF_CHASE_TYPEDEF);
216 dump_expr (a, flags | TFF_EXPR_IN_PARENS);
220 /* Dump, under control of FLAGS, a template-parameter-list binding.
221 PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
225 dump_template_bindings (tree parms, tree args)
231 tree p = TREE_VALUE (parms);
232 int lvl = TMPL_PARMS_DEPTH (parms);
236 for (i = 0; i < TREE_VEC_LENGTH (p); ++i)
238 tree arg = NULL_TREE;
240 /* Don't crash if we had an invalid argument list. */
241 if (TMPL_ARGS_DEPTH (args) >= lvl)
243 tree lvl_args = TMPL_ARGS_LEVEL (args, lvl);
244 if (NUM_TMPL_ARGS (lvl_args) > arg_idx)
245 arg = TREE_VEC_ELT (lvl_args, arg_idx);
249 pp_separate_with_comma (cxx_pp);
250 dump_template_parameter (TREE_VEC_ELT (p, i), TFF_PLAIN_IDENTIFIER);
251 pp_cxx_whitespace (cxx_pp);
253 pp_cxx_whitespace (cxx_pp);
255 dump_template_argument (arg, TFF_PLAIN_IDENTIFIER);
257 pp_identifier (cxx_pp, "<missing>");
263 parms = TREE_CHAIN (parms);
267 /* Dump a human-readable equivalent of TYPE. FLAGS controls the
271 dump_type (tree t, int flags)
276 if (TYPE_PTRMEMFUNC_P (t))
279 switch (TREE_CODE (t))
282 pp_identifier (cxx_pp, "<unresolved overloaded function type>");
286 /* A list of function parms. */
287 dump_parameters (t, flags);
290 case IDENTIFIER_NODE:
291 pp_cxx_tree_identifier (cxx_pp, t);
295 dump_type (BINFO_TYPE (t), flags);
301 dump_aggr_type (t, flags);
305 if (flags & TFF_CHASE_TYPEDEF)
307 dump_type (DECL_ORIGINAL_TYPE (t)
308 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t), flags);
311 /* Else fall through. */
315 dump_decl (t, flags & ~TFF_DECL_SPECIFIERS);
324 pp_type_specifier_seq (cxx_pp, t);
327 case TEMPLATE_TEMPLATE_PARM:
328 /* For parameters inside template signature. */
329 if (TYPE_IDENTIFIER (t))
330 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
332 pp_cxx_canonical_template_parameter (cxx_pp, t);
335 case BOUND_TEMPLATE_TEMPLATE_PARM:
337 tree args = TYPE_TI_ARGS (t);
338 pp_cxx_cv_qualifier_seq (cxx_pp, t);
339 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
340 pp_cxx_begin_template_argument_list (cxx_pp);
341 dump_template_argument_list (args, flags);
342 pp_cxx_end_template_argument_list (cxx_pp);
346 case TEMPLATE_TYPE_PARM:
347 pp_cxx_cv_qualifier_seq (cxx_pp, t);
348 if (TYPE_IDENTIFIER (t))
349 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
351 pp_cxx_canonical_template_parameter
352 (cxx_pp, TEMPLATE_TYPE_PARM_INDEX (t));
355 /* This is not always necessary for pointers and such, but doing this
356 reduces code size. */
365 dump_type_prefix (t, flags);
366 dump_type_suffix (t, flags);
370 pp_cxx_cv_qualifier_seq (cxx_pp, t);
371 pp_cxx_identifier (cxx_pp,
372 TYPENAME_IS_ENUM_P (t) ? "enum"
373 : TYPENAME_IS_CLASS_P (t) ? "class"
375 dump_typename (t, flags);
378 case UNBOUND_CLASS_TEMPLATE:
379 dump_type (TYPE_CONTEXT (t), flags);
380 pp_cxx_colon_colon (cxx_pp);
381 pp_cxx_identifier (cxx_pp, "template");
382 dump_type (DECL_NAME (TYPE_NAME (t)), flags);
386 pp_cxx_identifier (cxx_pp, "__typeof__");
387 pp_cxx_whitespace (cxx_pp);
388 pp_cxx_left_paren (cxx_pp);
389 dump_expr (TYPEOF_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
390 pp_cxx_right_paren (cxx_pp);
393 case TYPE_PACK_EXPANSION:
394 dump_type (PACK_EXPANSION_PATTERN (t), flags);
395 pp_cxx_identifier (cxx_pp, "...");
398 case TYPE_ARGUMENT_PACK:
400 tree args = ARGUMENT_PACK_ARGS (t);
402 for (i = 0; i < TREE_VEC_LENGTH (args); ++i)
405 pp_separate_with_comma (cxx_pp);
406 dump_type (TREE_VEC_ELT (args, i), flags);
412 pp_cxx_identifier (cxx_pp, "decltype");
413 pp_cxx_whitespace (cxx_pp);
414 pp_cxx_left_paren (cxx_pp);
415 dump_expr (DECLTYPE_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
416 pp_cxx_right_paren (cxx_pp);
420 pp_unsupported_tree (cxx_pp, t);
421 /* Fall through to error. */
424 pp_identifier (cxx_pp, "<type error>");
429 /* Dump a TYPENAME_TYPE. We need to notice when the context is itself
433 dump_typename (tree t, int flags)
435 tree ctx = TYPE_CONTEXT (t);
437 if (TREE_CODE (ctx) == TYPENAME_TYPE)
438 dump_typename (ctx, flags);
440 dump_type (ctx, flags & ~TFF_CLASS_KEY_OR_ENUM);
441 pp_cxx_colon_colon (cxx_pp);
442 dump_decl (TYPENAME_TYPE_FULLNAME (t), flags);
445 /* Return the name of the supplied aggregate, or enumeral type. */
448 class_key_or_enum_as_string (tree t)
450 if (TREE_CODE (t) == ENUMERAL_TYPE)
452 else if (TREE_CODE (t) == UNION_TYPE)
454 else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
460 /* Print out a class declaration T under the control of FLAGS,
461 in the form `class foo'. */
464 dump_aggr_type (tree t, int flags)
467 const char *variety = class_key_or_enum_as_string (t);
471 pp_cxx_cv_qualifier_seq (cxx_pp, t);
473 if (flags & TFF_CLASS_KEY_OR_ENUM)
474 pp_cxx_identifier (cxx_pp, variety);
476 if (flags & TFF_CHASE_TYPEDEF)
477 t = TYPE_MAIN_VARIANT (t);
479 name = TYPE_NAME (t);
483 typdef = !DECL_ARTIFICIAL (name);
484 tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
485 && TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
486 && (TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
487 || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t)));
489 if (! (flags & TFF_UNQUALIFIED_NAME))
490 dump_scope (CP_DECL_CONTEXT (name), flags | TFF_SCOPE);
491 flags &= ~TFF_UNQUALIFIED_NAME;
494 /* Because the template names are mangled, we have to locate
495 the most general template, and use that name. */
496 tree tpl = CLASSTYPE_TI_TEMPLATE (t);
498 while (DECL_TEMPLATE_INFO (tpl))
499 tpl = DECL_TI_TEMPLATE (tpl);
502 name = DECL_NAME (name);
505 if (name == 0 || ANON_AGGRNAME_P (name))
507 if (flags & TFF_CLASS_KEY_OR_ENUM)
508 pp_identifier (cxx_pp, "<anonymous>");
510 pp_printf (pp_base (cxx_pp), "<anonymous %s>", variety);
513 pp_cxx_tree_identifier (cxx_pp, name);
515 dump_template_parms (TYPE_TEMPLATE_INFO (t),
516 !CLASSTYPE_USE_TEMPLATE (t),
517 flags & ~TFF_TEMPLATE_HEADER);
520 /* Dump into the obstack the initial part of the output for a given type.
521 This is necessary when dealing with things like functions returning
524 return type of `int (* fee ())()': pointer -> function -> int. Both
525 pointer (and reference and offset) and function (and member) types must
526 deal with prefix and suffix.
528 Arrays must also do this for DECL nodes, like int a[], and for things like
532 dump_type_prefix (tree t, int flags)
534 if (TYPE_PTRMEMFUNC_P (t))
536 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
540 switch (TREE_CODE (t))
545 tree sub = TREE_TYPE (t);
547 dump_type_prefix (sub, flags);
548 if (TREE_CODE (sub) == ARRAY_TYPE)
550 pp_cxx_whitespace (cxx_pp);
551 pp_cxx_left_paren (cxx_pp);
553 if (TREE_CODE (t) == POINTER_TYPE)
554 pp_character(cxx_pp, '*');
555 else if (TREE_CODE (t) == REFERENCE_TYPE)
557 if (TYPE_REF_IS_RVALUE (t))
558 pp_string (cxx_pp, "&&");
560 pp_character (cxx_pp, '&');
562 pp_base (cxx_pp)->padding = pp_before;
563 pp_cxx_cv_qualifier_seq (cxx_pp, t);
569 dump_type_prefix (TREE_TYPE (t), flags);
570 if (TREE_CODE (t) == OFFSET_TYPE) /* pmfs deal with this in d_t_p */
572 pp_maybe_space (cxx_pp);
573 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
574 pp_cxx_left_paren (cxx_pp);
575 dump_type (TYPE_OFFSET_BASETYPE (t), flags);
576 pp_cxx_colon_colon (cxx_pp);
578 pp_cxx_star (cxx_pp);
579 pp_cxx_cv_qualifier_seq (cxx_pp, t);
580 pp_base (cxx_pp)->padding = pp_before;
583 /* Can only be reached through function pointer -- this would not be
584 correct if FUNCTION_DECLs used it. */
586 dump_type_prefix (TREE_TYPE (t), flags);
587 pp_maybe_space (cxx_pp);
588 pp_cxx_left_paren (cxx_pp);
592 dump_type_prefix (TREE_TYPE (t), flags);
593 pp_maybe_space (cxx_pp);
594 pp_cxx_left_paren (cxx_pp);
595 dump_aggr_type (TYPE_METHOD_BASETYPE (t), flags);
596 pp_cxx_colon_colon (cxx_pp);
600 dump_type_prefix (TREE_TYPE (t), flags);
604 case IDENTIFIER_NODE:
609 case TEMPLATE_TYPE_PARM:
610 case TEMPLATE_TEMPLATE_PARM:
611 case BOUND_TEMPLATE_TEMPLATE_PARM:
623 dump_type (t, flags);
624 pp_base (cxx_pp)->padding = pp_before;
628 pp_unsupported_tree (cxx_pp, t);
631 pp_identifier (cxx_pp, "<typeprefixerror>");
636 /* Dump the suffix of type T, under control of FLAGS. This is the part
637 which appears after the identifier (or function parms). */
640 dump_type_suffix (tree t, int flags)
642 if (TYPE_PTRMEMFUNC_P (t))
643 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
645 switch (TREE_CODE (t))
650 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
651 pp_cxx_right_paren (cxx_pp);
652 dump_type_suffix (TREE_TYPE (t), flags);
655 /* Can only be reached through function pointer. */
660 pp_cxx_right_paren (cxx_pp);
661 arg = TYPE_ARG_TYPES (t);
662 if (TREE_CODE (t) == METHOD_TYPE)
663 arg = TREE_CHAIN (arg);
665 /* Function pointers don't have default args. Not in standard C++,
666 anyway; they may in g++, but we'll just pretend otherwise. */
667 dump_parameters (arg, flags & ~TFF_FUNCTION_DEFAULT_ARGUMENTS);
669 if (TREE_CODE (t) == METHOD_TYPE)
670 pp_cxx_cv_qualifier_seq
671 (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))));
673 pp_cxx_cv_qualifier_seq(cxx_pp, t);
674 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t), flags);
675 dump_type_suffix (TREE_TYPE (t), flags);
680 pp_maybe_space (cxx_pp);
681 pp_cxx_left_bracket (cxx_pp);
684 tree dtype = TYPE_DOMAIN (t);
685 tree max = TYPE_MAX_VALUE (dtype);
686 if (host_integerp (max, 0))
687 pp_wide_integer (cxx_pp, tree_low_cst (max, 0) + 1);
688 else if (TREE_CODE (max) == MINUS_EXPR)
689 dump_expr (TREE_OPERAND (max, 0),
690 flags & ~TFF_EXPR_IN_PARENS);
692 dump_expr (fold_build2 (PLUS_EXPR, dtype, max,
693 build_int_cst (dtype, 1)),
694 flags & ~TFF_EXPR_IN_PARENS);
696 pp_cxx_right_bracket (cxx_pp);
697 dump_type_suffix (TREE_TYPE (t), flags);
701 case IDENTIFIER_NODE:
706 case TEMPLATE_TYPE_PARM:
707 case TEMPLATE_TEMPLATE_PARM:
708 case BOUND_TEMPLATE_TEMPLATE_PARM:
723 pp_unsupported_tree (cxx_pp, t);
725 /* Don't mark it here, we should have already done in
732 dump_global_iord (tree t)
734 const char *p = NULL;
736 if (DECL_GLOBAL_CTOR_P (t))
738 else if (DECL_GLOBAL_DTOR_P (t))
743 pp_printf (pp_base (cxx_pp), "(static %s for %s)", p, input_filename);
747 dump_simple_decl (tree t, tree type, int flags)
749 if (flags & TFF_DECL_SPECIFIERS)
751 dump_type_prefix (type, flags & ~TFF_UNQUALIFIED_NAME);
752 pp_maybe_space (cxx_pp);
754 if (! (flags & TFF_UNQUALIFIED_NAME)
755 && (!DECL_INITIAL (t)
756 || TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX))
757 dump_scope (CP_DECL_CONTEXT (t), flags);
758 flags &= ~TFF_UNQUALIFIED_NAME;
760 dump_decl (DECL_NAME (t), flags);
762 pp_identifier (cxx_pp, "<anonymous>");
763 if (flags & TFF_DECL_SPECIFIERS)
764 dump_type_suffix (type, flags);
767 /* Dump a human readable string for the decl T under control of FLAGS. */
770 dump_decl (tree t, int flags)
775 switch (TREE_CODE (t))
778 /* Don't say 'typedef class A' */
779 if (DECL_ARTIFICIAL (t))
781 if ((flags & TFF_DECL_SPECIFIERS)
782 && TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TYPE_PARM)
783 /* Say `class T' not just `T'. */
784 pp_cxx_identifier (cxx_pp, "class");
786 dump_type (TREE_TYPE (t), flags);
789 if (flags & TFF_DECL_SPECIFIERS)
790 pp_cxx_identifier (cxx_pp, "typedef");
791 dump_simple_decl (t, DECL_ORIGINAL_TYPE (t)
792 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
797 if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
799 pp_string (cxx_pp, "vtable for ");
800 gcc_assert (TYPE_P (DECL_CONTEXT (t)));
801 dump_type (DECL_CONTEXT (t), flags);
804 /* Else fall through. */
807 dump_simple_decl (t, TREE_TYPE (t), flags);
811 pp_string (cxx_pp, "<return value> ");
812 dump_simple_decl (t, TREE_TYPE (t), flags);
816 if (flags & TFF_DECL_SPECIFIERS)
817 pp_cxx_declaration (cxx_pp, t);
820 if (! (flags & TFF_UNQUALIFIED_NAME))
821 dump_scope (CP_DECL_CONTEXT (t), flags);
822 flags &= ~TFF_UNQUALIFIED_NAME;
823 if (DECL_NAME (t) == NULL_TREE)
824 pp_identifier (cxx_pp, "<unnamed>");
826 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
831 pp_expression (cxx_pp, t);
835 dump_decl (TREE_OPERAND (t, 0), flags);
836 pp_cxx_left_bracket (cxx_pp);
837 dump_decl (TREE_OPERAND (t, 1), flags);
838 pp_cxx_right_bracket (cxx_pp);
841 /* So that we can do dump_decl on an aggr type. */
845 dump_type (t, flags);
849 /* This is a pseudo destructor call which has not been folded into
850 a PSEUDO_DTOR_EXPR yet. */
851 pp_cxx_complement (cxx_pp);
852 dump_type (TREE_OPERAND (t, 0), flags);
859 /* These special cases are duplicated here so that other functions
860 can feed identifiers to error and get them demangled properly. */
861 case IDENTIFIER_NODE:
862 if (IDENTIFIER_TYPENAME_P (t))
864 pp_cxx_identifier (cxx_pp, "operator");
865 /* Not exactly IDENTIFIER_TYPE_VALUE. */
866 dump_type (TREE_TYPE (t), flags);
870 pp_cxx_tree_identifier (cxx_pp, t);
877 if (DECL_CLASS_SCOPE_P (t))
879 dump_type (DECL_CONTEXT (t), flags);
880 pp_cxx_colon_colon (cxx_pp);
882 else if (DECL_CONTEXT (t))
884 dump_decl (DECL_CONTEXT (t), flags);
885 pp_cxx_colon_colon (cxx_pp);
887 dump_decl (DECL_NAME (t), flags);
891 /* If there's only one function, just treat it like an ordinary
897 if (! DECL_LANG_SPECIFIC (t))
898 pp_identifier (cxx_pp, "<built-in>");
899 else if (DECL_GLOBAL_CTOR_P (t) || DECL_GLOBAL_DTOR_P (t))
900 dump_global_iord (t);
902 dump_function_decl (t, flags);
906 dump_template_decl (t, flags);
909 case TEMPLATE_ID_EXPR:
911 tree name = TREE_OPERAND (t, 0);
913 if (is_overloaded_fn (name))
914 name = DECL_NAME (get_first_fn (name));
915 dump_decl (name, flags);
916 pp_cxx_begin_template_argument_list (cxx_pp);
917 if (TREE_OPERAND (t, 1))
918 dump_template_argument_list (TREE_OPERAND (t, 1), flags);
919 pp_cxx_end_template_argument_list (cxx_pp);
924 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
928 if ((TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == ENUMERAL_TYPE)
929 || (DECL_INITIAL (t) &&
930 TREE_CODE (DECL_INITIAL (t)) == TEMPLATE_PARM_INDEX))
931 dump_simple_decl (t, TREE_TYPE (t), flags);
932 else if (DECL_NAME (t))
933 dump_decl (DECL_NAME (t), flags);
934 else if (DECL_INITIAL (t))
935 dump_expr (DECL_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
937 pp_identifier (cxx_pp, "<enumerator>");
941 pp_cxx_identifier (cxx_pp, "using");
942 dump_type (USING_DECL_SCOPE (t), flags);
943 pp_cxx_colon_colon (cxx_pp);
944 dump_decl (DECL_NAME (t), flags);
948 pp_cxx_declaration (cxx_pp, t);
952 dump_decl (BASELINK_FUNCTIONS (t), flags);
955 case NON_DEPENDENT_EXPR:
956 dump_expr (t, flags);
959 case TEMPLATE_TYPE_PARM:
960 if (flags & TFF_DECL_SPECIFIERS)
961 pp_cxx_declaration (cxx_pp, t);
963 pp_type_id (cxx_pp, t);
966 case UNBOUND_CLASS_TEMPLATE:
967 dump_type (t, flags);
971 pp_unsupported_tree (cxx_pp, t);
972 /* Fall through to error. */
975 pp_identifier (cxx_pp, "<declaration error>");
980 /* Dump a template declaration T under control of FLAGS. This means the
981 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
984 dump_template_decl (tree t, int flags)
986 tree orig_parms = DECL_TEMPLATE_PARMS (t);
990 if (flags & TFF_TEMPLATE_HEADER)
992 for (parms = orig_parms = nreverse (orig_parms);
994 parms = TREE_CHAIN (parms))
996 tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
997 int len = TREE_VEC_LENGTH (inner_parms);
999 pp_cxx_identifier (cxx_pp, "template");
1000 pp_cxx_begin_template_argument_list (cxx_pp);
1002 /* If we've shown the template prefix, we'd better show the
1003 parameters' and decl's type too. */
1004 flags |= TFF_DECL_SPECIFIERS;
1006 for (i = 0; i < len; i++)
1009 pp_separate_with_comma (cxx_pp);
1010 dump_template_parameter (TREE_VEC_ELT (inner_parms, i), flags);
1012 pp_cxx_end_template_argument_list (cxx_pp);
1013 pp_cxx_whitespace (cxx_pp);
1015 nreverse(orig_parms);
1017 if (DECL_TEMPLATE_TEMPLATE_PARM_P (t))
1018 /* Say `template<arg> class TT' not just `template<arg> TT'. */
1019 pp_cxx_identifier (cxx_pp, "class");
1022 if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
1023 dump_type (TREE_TYPE (t),
1024 ((flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
1025 | (flags & TFF_DECL_SPECIFIERS ? TFF_CLASS_KEY_OR_ENUM : 0)));
1026 else if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == VAR_DECL)
1027 dump_decl (DECL_TEMPLATE_RESULT (t), flags | TFF_TEMPLATE_NAME);
1030 gcc_assert (TREE_TYPE (t));
1031 switch (NEXT_CODE (t))
1035 dump_function_decl (t, flags | TFF_TEMPLATE_NAME);
1038 /* This case can occur with some invalid code. */
1039 dump_type (TREE_TYPE (t),
1040 (flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
1041 | (flags & TFF_DECL_SPECIFIERS
1042 ? TFF_CLASS_KEY_OR_ENUM : 0));
1047 /* Pretty print a function decl. There are several ways we want to print a
1048 function declaration. The TFF_ bits in FLAGS tells us how to behave.
1049 As error can only apply the '#' flag once to give 0 and 1 for V, there
1050 is %D which doesn't print the throw specs, and %F which does. */
1053 dump_function_decl (tree t, int flags)
1057 tree cname = NULL_TREE;
1058 tree template_args = NULL_TREE;
1059 tree template_parms = NULL_TREE;
1060 int show_return = flags & TFF_RETURN_TYPE || flags & TFF_DECL_SPECIFIERS;
1061 int do_outer_scope = ! (flags & TFF_UNQUALIFIED_NAME);
1063 flags &= ~TFF_UNQUALIFIED_NAME;
1064 if (TREE_CODE (t) == TEMPLATE_DECL)
1065 t = DECL_TEMPLATE_RESULT (t);
1067 /* Pretty print template instantiations only. */
1068 if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t))
1072 template_args = DECL_TI_ARGS (t);
1073 tmpl = most_general_template (t);
1074 if (tmpl && TREE_CODE (tmpl) == TEMPLATE_DECL)
1076 template_parms = DECL_TEMPLATE_PARMS (tmpl);
1081 fntype = TREE_TYPE (t);
1082 parmtypes = FUNCTION_FIRST_USER_PARMTYPE (t);
1084 if (DECL_CLASS_SCOPE_P (t))
1085 cname = DECL_CONTEXT (t);
1086 /* This is for partially instantiated template methods. */
1087 else if (TREE_CODE (fntype) == METHOD_TYPE)
1088 cname = TREE_TYPE (TREE_VALUE (parmtypes));
1090 if (!(flags & TFF_DECL_SPECIFIERS))
1092 else if (DECL_STATIC_FUNCTION_P (t))
1093 pp_cxx_identifier (cxx_pp, "static");
1094 else if (DECL_VIRTUAL_P (t))
1095 pp_cxx_identifier (cxx_pp, "virtual");
1097 /* Print the return type? */
1099 show_return = !DECL_CONV_FN_P (t) && !DECL_CONSTRUCTOR_P (t)
1100 && !DECL_DESTRUCTOR_P (t);
1102 dump_type_prefix (TREE_TYPE (fntype), flags);
1104 /* Print the function name. */
1105 if (!do_outer_scope)
1109 dump_type (cname, flags);
1110 pp_cxx_colon_colon (cxx_pp);
1113 dump_scope (CP_DECL_CONTEXT (t), flags);
1115 dump_function_name (t, flags);
1117 if (!(flags & TFF_NO_FUNCTION_ARGUMENTS))
1119 dump_parameters (parmtypes, flags);
1121 if (TREE_CODE (fntype) == METHOD_TYPE)
1123 pp_base (cxx_pp)->padding = pp_before;
1124 pp_cxx_cv_qualifier_seq
1125 (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (fntype))));
1128 if (flags & TFF_EXCEPTION_SPECIFICATION)
1130 pp_base (cxx_pp)->padding = pp_before;
1131 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (fntype), flags);
1135 dump_type_suffix (TREE_TYPE (fntype), flags);
1138 /* If T is a template instantiation, dump the parameter binding. */
1139 if (template_parms != NULL_TREE && template_args != NULL_TREE)
1141 pp_cxx_whitespace (cxx_pp);
1142 pp_cxx_left_bracket (cxx_pp);
1143 pp_cxx_identifier (cxx_pp, "with");
1144 pp_cxx_whitespace (cxx_pp);
1145 dump_template_bindings (template_parms, template_args);
1146 pp_cxx_right_bracket (cxx_pp);
1150 /* Print a parameter list. If this is for a member function, the
1151 member object ptr (and any other hidden args) should have
1152 already been removed. */
1155 dump_parameters (tree parmtypes, int flags)
1158 pp_cxx_left_paren (cxx_pp);
1160 for (first = 1; parmtypes != void_list_node;
1161 parmtypes = TREE_CHAIN (parmtypes))
1164 pp_separate_with_comma (cxx_pp);
1168 pp_cxx_identifier (cxx_pp, "...");
1171 if (ARGUMENT_PACK_P (TREE_VALUE (parmtypes)))
1173 tree types = ARGUMENT_PACK_ARGS (TREE_VALUE (parmtypes));
1174 int i, len = TREE_VEC_LENGTH (types);
1176 for (i = 0; i < len; ++i)
1179 pp_separate_with_comma (cxx_pp);
1182 dump_type (TREE_VEC_ELT (types, i), flags);
1186 dump_type (TREE_VALUE (parmtypes), flags);
1188 if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && TREE_PURPOSE (parmtypes))
1190 pp_cxx_whitespace (cxx_pp);
1192 pp_cxx_whitespace (cxx_pp);
1193 dump_expr (TREE_PURPOSE (parmtypes), flags | TFF_EXPR_IN_PARENS);
1197 pp_cxx_right_paren (cxx_pp);
1200 /* Print an exception specification. T is the exception specification. */
1203 dump_exception_spec (tree t, int flags)
1207 pp_cxx_identifier (cxx_pp, "throw");
1208 pp_cxx_whitespace (cxx_pp);
1209 pp_cxx_left_paren (cxx_pp);
1210 if (TREE_VALUE (t) != NULL_TREE)
1213 dump_type (TREE_VALUE (t), flags);
1217 pp_separate_with_comma (cxx_pp);
1219 pp_cxx_right_paren (cxx_pp);
1223 /* Handle the function name for a FUNCTION_DECL node, grokking operators
1224 and destructors properly. */
1227 dump_function_name (tree t, int flags)
1229 tree name = DECL_NAME (t);
1231 /* We can get here with a decl that was synthesized by language-
1232 independent machinery (e.g. coverage.c) in which case it won't
1233 have a lang_specific structure attached and DECL_CONSTRUCTOR_P
1234 will crash. In this case it is safe just to print out the
1236 if (!DECL_LANG_SPECIFIC (t))
1238 pp_cxx_tree_identifier (cxx_pp, name);
1242 if (TREE_CODE (t) == TEMPLATE_DECL)
1243 t = DECL_TEMPLATE_RESULT (t);
1245 /* Don't let the user see __comp_ctor et al. */
1246 if (DECL_CONSTRUCTOR_P (t)
1247 || DECL_DESTRUCTOR_P (t))
1248 name = constructor_name (DECL_CONTEXT (t));
1250 if (DECL_DESTRUCTOR_P (t))
1252 pp_cxx_complement (cxx_pp);
1253 dump_decl (name, TFF_PLAIN_IDENTIFIER);
1255 else if (DECL_CONV_FN_P (t))
1257 /* This cannot use the hack that the operator's return
1258 type is stashed off of its name because it may be
1259 used for error reporting. In the case of conflicting
1260 declarations, both will have the same name, yet
1261 the types will be different, hence the TREE_TYPE field
1262 of the first name will be clobbered by the second. */
1263 pp_cxx_identifier (cxx_pp, "operator");
1264 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1266 else if (IDENTIFIER_OPNAME_P (name))
1267 pp_cxx_tree_identifier (cxx_pp, name);
1269 dump_decl (name, flags);
1271 if (DECL_TEMPLATE_INFO (t)
1272 && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)
1273 && (TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL
1274 || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t))))
1275 dump_template_parms (DECL_TEMPLATE_INFO (t), !DECL_USE_TEMPLATE (t), flags);
1278 /* Dump the template parameters from the template info INFO under control of
1279 FLAGS. PRIMARY indicates whether this is a primary template decl, or
1280 specialization (partial or complete). For partial specializations we show
1281 the specialized parameter values. For a primary template we show no
1285 dump_template_parms (tree info, int primary, int flags)
1287 tree args = info ? TI_ARGS (info) : NULL_TREE;
1289 if (primary && flags & TFF_TEMPLATE_NAME)
1291 flags &= ~(TFF_CLASS_KEY_OR_ENUM | TFF_TEMPLATE_NAME);
1292 pp_cxx_begin_template_argument_list (cxx_pp);
1294 /* Be careful only to print things when we have them, so as not
1295 to crash producing error messages. */
1296 if (args && !primary)
1300 if (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (args))
1301 args = TREE_VEC_ELT (args, TREE_VEC_LENGTH (args) - 1);
1303 len = TREE_VEC_LENGTH (args);
1305 for (ix = 0; ix != len; ix++)
1307 tree arg = TREE_VEC_ELT (args, ix);
1309 /* Only print a comma if we know there is an argument coming. In
1310 the case of an empty template argument pack, no actual
1311 argument will be printed. */
1313 && (!ARGUMENT_PACK_P (arg)
1314 || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg)) > 0))
1315 pp_separate_with_comma (cxx_pp);
1318 pp_identifier (cxx_pp, "<template parameter error>");
1320 dump_template_argument (arg, flags);
1325 tree tpl = TI_TEMPLATE (info);
1326 tree parms = DECL_TEMPLATE_PARMS (tpl);
1329 parms = TREE_CODE (parms) == TREE_LIST ? TREE_VALUE (parms) : NULL_TREE;
1330 len = parms ? TREE_VEC_LENGTH (parms) : 0;
1332 for (ix = 0; ix != len; ix++)
1336 if (TREE_VEC_ELT (parms, ix) == error_mark_node)
1338 pp_identifier (cxx_pp, "<template parameter error>");
1342 parm = TREE_VALUE (TREE_VEC_ELT (parms, ix));
1345 pp_separate_with_comma (cxx_pp);
1347 dump_decl (parm, flags & ~TFF_DECL_SPECIFIERS);
1350 pp_cxx_end_template_argument_list (cxx_pp);
1353 /* Print out the arguments of CALL_EXPR T as a parenthesized list using
1354 flags FLAGS. Skip over the first argument if SKIPFIRST is true. */
1357 dump_call_expr_args (tree t, int flags, bool skipfirst)
1360 call_expr_arg_iterator iter;
1362 pp_cxx_left_paren (cxx_pp);
1363 FOR_EACH_CALL_EXPR_ARG (arg, iter, t)
1369 dump_expr (arg, flags | TFF_EXPR_IN_PARENS);
1370 if (more_call_expr_args_p (&iter))
1371 pp_separate_with_comma (cxx_pp);
1374 pp_cxx_right_paren (cxx_pp);
1377 /* Print out the arguments of AGGR_INIT_EXPR T as a parenthesized list
1378 using flags FLAGS. Skip over the first argument if SKIPFIRST is
1382 dump_aggr_init_expr_args (tree t, int flags, bool skipfirst)
1385 aggr_init_expr_arg_iterator iter;
1387 pp_cxx_left_paren (cxx_pp);
1388 FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t)
1394 dump_expr (arg, flags | TFF_EXPR_IN_PARENS);
1395 if (more_aggr_init_expr_args_p (&iter))
1396 pp_separate_with_comma (cxx_pp);
1399 pp_cxx_right_paren (cxx_pp);
1402 /* Print out a list of initializers (subr of dump_expr). */
1405 dump_expr_list (tree l, int flags)
1409 dump_expr (TREE_VALUE (l), flags | TFF_EXPR_IN_PARENS);
1412 pp_separate_with_comma (cxx_pp);
1416 /* Print out a vector of initializers (subr of dump_expr). */
1419 dump_expr_init_vec (VEC(constructor_elt,gc) *v, int flags)
1421 unsigned HOST_WIDE_INT idx;
1424 FOR_EACH_CONSTRUCTOR_VALUE (v, idx, value)
1426 dump_expr (value, flags | TFF_EXPR_IN_PARENS);
1427 if (idx != VEC_length (constructor_elt, v) - 1)
1428 pp_separate_with_comma (cxx_pp);
1433 /* We've gotten an indirect REFERENCE (an OBJ_TYPE_REF) to a virtual
1434 function. Resolve it to a close relative -- in the sense of static
1435 type -- variant being overridden. That is close to what was written in
1436 the source code. Subroutine of dump_expr. */
1439 resolve_virtual_fun_from_obj_type_ref (tree ref)
1441 tree obj_type = TREE_TYPE (OBJ_TYPE_REF_OBJECT (ref));
1442 HOST_WIDE_INT index = tree_low_cst (OBJ_TYPE_REF_TOKEN (ref), 1);
1443 tree fun = BINFO_VIRTUALS (TYPE_BINFO (TREE_TYPE (obj_type)));
1446 fun = TREE_CHAIN (fun);
1447 index -= (TARGET_VTABLE_USES_DESCRIPTORS
1448 ? TARGET_VTABLE_USES_DESCRIPTORS : 1);
1454 /* Print out an expression E under control of FLAGS. */
1457 dump_expr (tree t, int flags)
1462 switch (TREE_CODE (t))
1470 case NAMESPACE_DECL:
1473 case IDENTIFIER_NODE:
1474 dump_decl (t, (flags & ~TFF_DECL_SPECIFIERS) | TFF_NO_FUNCTION_ARGUMENTS);
1481 pp_constant (cxx_pp, t);
1485 pp_cxx_identifier (cxx_pp, "throw");
1486 dump_expr (TREE_OPERAND (t, 0), flags);
1490 pp_ampersand (cxx_pp);
1491 dump_type (PTRMEM_CST_CLASS (t), flags);
1492 pp_cxx_colon_colon (cxx_pp);
1493 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (PTRMEM_CST_MEMBER (t)));
1497 pp_cxx_left_paren (cxx_pp);
1498 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1499 pp_separate_with_comma (cxx_pp);
1500 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1501 pp_cxx_right_paren (cxx_pp);
1505 pp_cxx_left_paren (cxx_pp);
1506 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1507 pp_string (cxx_pp, " ? ");
1508 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1509 pp_string (cxx_pp, " : ");
1510 dump_expr (TREE_OPERAND (t, 2), flags | TFF_EXPR_IN_PARENS);
1511 pp_cxx_right_paren (cxx_pp);
1515 if (TREE_HAS_CONSTRUCTOR (t))
1517 pp_cxx_identifier (cxx_pp, "new");
1518 pp_cxx_whitespace (cxx_pp);
1519 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1522 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1525 case AGGR_INIT_EXPR:
1527 tree fn = NULL_TREE;
1529 if (TREE_CODE (AGGR_INIT_EXPR_FN (t)) == ADDR_EXPR)
1530 fn = TREE_OPERAND (AGGR_INIT_EXPR_FN (t), 0);
1532 if (fn && TREE_CODE (fn) == FUNCTION_DECL)
1534 if (DECL_CONSTRUCTOR_P (fn))
1535 dump_type (DECL_CONTEXT (fn), flags);
1540 dump_expr (AGGR_INIT_EXPR_FN (t), 0);
1542 dump_aggr_init_expr_args (t, flags, true);
1547 tree fn = CALL_EXPR_FN (t);
1548 bool skipfirst = false;
1550 if (TREE_CODE (fn) == ADDR_EXPR)
1551 fn = TREE_OPERAND (fn, 0);
1553 /* Nobody is interested in seeing the guts of vcalls. */
1554 if (TREE_CODE (fn) == OBJ_TYPE_REF)
1555 fn = resolve_virtual_fun_from_obj_type_ref (fn);
1557 if (TREE_TYPE (fn) != NULL_TREE && NEXT_CODE (fn) == METHOD_TYPE)
1559 tree ob = CALL_EXPR_ARG (t, 0);
1560 if (TREE_CODE (ob) == ADDR_EXPR)
1562 dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
1563 pp_cxx_dot (cxx_pp);
1565 else if (TREE_CODE (ob) != PARM_DECL
1566 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
1568 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1569 pp_cxx_arrow (cxx_pp);
1573 dump_expr (fn, flags | TFF_EXPR_IN_PARENS);
1574 dump_call_expr_args (t, flags, skipfirst);
1580 tree type = TREE_OPERAND (t, 1);
1581 tree init = TREE_OPERAND (t, 2);
1582 if (NEW_EXPR_USE_GLOBAL (t))
1583 pp_cxx_colon_colon (cxx_pp);
1584 pp_cxx_identifier (cxx_pp, "new");
1585 if (TREE_OPERAND (t, 0))
1587 pp_cxx_left_paren (cxx_pp);
1588 dump_expr_list (TREE_OPERAND (t, 0), flags);
1589 pp_cxx_right_paren (cxx_pp);
1590 pp_cxx_whitespace (cxx_pp);
1592 if (TREE_CODE (type) == ARRAY_REF)
1593 type = build_cplus_array_type
1594 (TREE_OPERAND (type, 0),
1595 build_index_type (fold_build2 (MINUS_EXPR, integer_type_node,
1596 TREE_OPERAND (type, 1),
1597 integer_one_node)));
1598 dump_type (type, flags);
1601 pp_cxx_left_paren (cxx_pp);
1602 if (TREE_CODE (init) == TREE_LIST)
1603 dump_expr_list (init, flags);
1604 else if (init == void_zero_node)
1605 /* This representation indicates an empty initializer,
1606 e.g.: "new int()". */
1609 dump_expr (init, flags);
1610 pp_cxx_right_paren (cxx_pp);
1616 /* Note that this only works for G++ target exprs. If somebody
1617 builds a general TARGET_EXPR, there's no way to represent that
1618 it initializes anything other that the parameter slot for the
1619 default argument. Note we may have cleared out the first
1620 operand in expand_expr, so don't go killing ourselves. */
1621 if (TREE_OPERAND (t, 1))
1622 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1625 case POINTER_PLUS_EXPR:
1626 dump_binary_op ("+", t, flags);
1634 case TRUNC_DIV_EXPR:
1635 case TRUNC_MOD_EXPR:
1643 case TRUTH_ANDIF_EXPR:
1644 case TRUTH_ORIF_EXPR:
1651 case EXACT_DIV_EXPR:
1652 dump_binary_op (operator_name_info[(int) TREE_CODE (t)].name, t, flags);
1656 case FLOOR_DIV_EXPR:
1657 case ROUND_DIV_EXPR:
1659 dump_binary_op ("/", t, flags);
1663 case FLOOR_MOD_EXPR:
1664 case ROUND_MOD_EXPR:
1665 dump_binary_op ("%", t, flags);
1670 tree ob = TREE_OPERAND (t, 0);
1671 if (TREE_CODE (ob) == INDIRECT_REF)
1673 ob = TREE_OPERAND (ob, 0);
1674 if (TREE_CODE (ob) != PARM_DECL
1676 && strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this")))
1678 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1679 pp_cxx_arrow (cxx_pp);
1684 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1685 pp_cxx_dot (cxx_pp);
1687 dump_expr (TREE_OPERAND (t, 1), flags & ~TFF_EXPR_IN_PARENS);
1692 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1693 pp_cxx_left_bracket (cxx_pp);
1694 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1695 pp_cxx_right_bracket (cxx_pp);
1698 case UNARY_PLUS_EXPR:
1699 dump_unary_op ("+", t, flags);
1703 if (TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL
1704 || TREE_CODE (TREE_OPERAND (t, 0)) == STRING_CST
1705 /* An ADDR_EXPR can have reference type. In that case, we
1706 shouldn't print the `&' doing so indicates to the user
1707 that the expression has pointer type. */
1709 && TREE_CODE (TREE_TYPE (t)) == REFERENCE_TYPE))
1710 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1711 else if (TREE_CODE (TREE_OPERAND (t, 0)) == LABEL_DECL)
1712 dump_unary_op ("&&", t, flags);
1714 dump_unary_op ("&", t, flags);
1718 if (TREE_HAS_CONSTRUCTOR (t))
1720 t = TREE_OPERAND (t, 0);
1721 gcc_assert (TREE_CODE (t) == CALL_EXPR);
1722 dump_expr (CALL_EXPR_FN (t), flags | TFF_EXPR_IN_PARENS);
1723 dump_call_expr_args (t, flags, true);
1727 if (TREE_OPERAND (t,0) != NULL_TREE
1728 && TREE_TYPE (TREE_OPERAND (t, 0))
1729 && NEXT_CODE (TREE_OPERAND (t, 0)) == REFERENCE_TYPE)
1730 dump_expr (TREE_OPERAND (t, 0), flags);
1732 dump_unary_op ("*", t, flags);
1738 case TRUTH_NOT_EXPR:
1739 case PREDECREMENT_EXPR:
1740 case PREINCREMENT_EXPR:
1741 dump_unary_op (operator_name_info [(int)TREE_CODE (t)].name, t, flags);
1744 case POSTDECREMENT_EXPR:
1745 case POSTINCREMENT_EXPR:
1746 pp_cxx_left_paren (cxx_pp);
1747 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1748 pp_cxx_identifier (cxx_pp, operator_name_info[(int)TREE_CODE (t)].name);
1749 pp_cxx_right_paren (cxx_pp);
1752 case NON_LVALUE_EXPR:
1753 /* FIXME: This is a KLUDGE workaround for a parsing problem. There
1754 should be another level of INDIRECT_REF so that I don't have to do
1756 if (TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == POINTER_TYPE)
1758 tree next = TREE_TYPE (TREE_TYPE (t));
1760 while (TREE_CODE (next) == POINTER_TYPE)
1761 next = TREE_TYPE (next);
1763 if (TREE_CODE (next) == FUNCTION_TYPE)
1765 if (flags & TFF_EXPR_IN_PARENS)
1766 pp_cxx_left_paren (cxx_pp);
1767 pp_cxx_star (cxx_pp);
1768 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
1769 if (flags & TFF_EXPR_IN_PARENS)
1770 pp_cxx_right_paren (cxx_pp);
1773 /* Else fall through. */
1775 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1781 tree op = TREE_OPERAND (t, 0);
1783 if (!same_type_p (TREE_TYPE (op), TREE_TYPE (t)))
1785 /* It is a cast, but we cannot tell whether it is a
1786 reinterpret or static cast. Use the C style notation. */
1787 if (flags & TFF_EXPR_IN_PARENS)
1788 pp_cxx_left_paren (cxx_pp);
1789 pp_cxx_left_paren (cxx_pp);
1790 dump_type (TREE_TYPE (t), flags);
1791 pp_cxx_right_paren (cxx_pp);
1792 dump_expr (op, flags | TFF_EXPR_IN_PARENS);
1793 if (flags & TFF_EXPR_IN_PARENS)
1794 pp_cxx_right_paren (cxx_pp);
1797 dump_expr (op, flags);
1802 if (TREE_TYPE (t) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
1804 tree idx = build_ptrmemfunc_access_expr (t, pfn_identifier);
1806 if (integer_zerop (idx))
1808 /* A NULL pointer-to-member constant. */
1809 pp_cxx_left_paren (cxx_pp);
1810 pp_cxx_left_paren (cxx_pp);
1811 dump_type (TREE_TYPE (t), flags);
1812 pp_cxx_right_paren (cxx_pp);
1813 pp_character (cxx_pp, '0');
1814 pp_cxx_right_paren (cxx_pp);
1817 else if (host_integerp (idx, 0))
1820 unsigned HOST_WIDE_INT n;
1822 t = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t)));
1823 t = TYPE_METHOD_BASETYPE (t);
1824 virtuals = BINFO_VIRTUALS (TYPE_BINFO (TYPE_MAIN_VARIANT (t)));
1826 n = tree_low_cst (idx, 0);
1828 /* Map vtable index back one, to allow for the null pointer to
1832 while (n > 0 && virtuals)
1835 virtuals = TREE_CHAIN (virtuals);
1839 dump_expr (BV_FN (virtuals),
1840 flags | TFF_EXPR_IN_PARENS);
1845 if (TREE_TYPE (t) && EMPTY_CONSTRUCTOR_P (t))
1847 dump_type (TREE_TYPE (t), 0);
1848 pp_cxx_left_paren (cxx_pp);
1849 pp_cxx_right_paren (cxx_pp);
1853 pp_cxx_left_brace (cxx_pp);
1854 dump_expr_init_vec (CONSTRUCTOR_ELTS (t), flags);
1855 pp_cxx_right_brace (cxx_pp);
1862 tree ob = TREE_OPERAND (t, 0);
1863 if (is_dummy_object (ob))
1865 t = TREE_OPERAND (t, 1);
1866 if (TREE_CODE (t) == FUNCTION_DECL)
1868 dump_expr (t, flags | TFF_EXPR_IN_PARENS);
1869 else if (BASELINK_P (t))
1870 dump_expr (OVL_CURRENT (BASELINK_FUNCTIONS (t)),
1871 flags | TFF_EXPR_IN_PARENS);
1873 dump_decl (t, flags);
1877 if (TREE_CODE (ob) == INDIRECT_REF)
1879 dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
1880 pp_cxx_arrow (cxx_pp);
1881 pp_cxx_star (cxx_pp);
1885 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1886 pp_cxx_dot (cxx_pp);
1887 pp_cxx_star (cxx_pp);
1889 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1894 case TEMPLATE_PARM_INDEX:
1895 dump_decl (TEMPLATE_PARM_DECL (t), flags & ~TFF_DECL_SPECIFIERS);
1899 pp_expression (cxx_pp, t);
1903 if (TREE_OPERAND (t, 0) == NULL_TREE
1904 || TREE_CHAIN (TREE_OPERAND (t, 0)))
1906 dump_type (TREE_TYPE (t), flags);
1907 pp_cxx_left_paren (cxx_pp);
1908 dump_expr_list (TREE_OPERAND (t, 0), flags);
1909 pp_cxx_right_paren (cxx_pp);
1913 pp_cxx_left_paren (cxx_pp);
1914 dump_type (TREE_TYPE (t), flags);
1915 pp_cxx_right_paren (cxx_pp);
1916 pp_cxx_left_paren (cxx_pp);
1917 dump_expr_list (TREE_OPERAND (t, 0), flags);
1918 pp_cxx_right_paren (cxx_pp);
1922 case STATIC_CAST_EXPR:
1923 pp_cxx_identifier (cxx_pp, "static_cast");
1925 case REINTERPRET_CAST_EXPR:
1926 pp_cxx_identifier (cxx_pp, "reinterpret_cast");
1928 case CONST_CAST_EXPR:
1929 pp_cxx_identifier (cxx_pp, "const_cast");
1931 case DYNAMIC_CAST_EXPR:
1932 pp_cxx_identifier (cxx_pp, "dynamic_cast");
1934 pp_cxx_begin_template_argument_list (cxx_pp);
1935 dump_type (TREE_TYPE (t), flags);
1936 pp_cxx_end_template_argument_list (cxx_pp);
1937 pp_cxx_left_paren (cxx_pp);
1938 dump_expr (TREE_OPERAND (t, 0), flags);
1939 pp_cxx_right_paren (cxx_pp);
1943 dump_expr (TREE_OPERAND (t, 0), flags);
1944 pp_cxx_arrow (cxx_pp);
1949 if (TREE_CODE (t) == SIZEOF_EXPR)
1950 pp_cxx_identifier (cxx_pp, "sizeof");
1953 gcc_assert (TREE_CODE (t) == ALIGNOF_EXPR);
1954 pp_cxx_identifier (cxx_pp, "__alignof__");
1956 pp_cxx_whitespace (cxx_pp);
1957 pp_cxx_left_paren (cxx_pp);
1958 if (TYPE_P (TREE_OPERAND (t, 0)))
1959 dump_type (TREE_OPERAND (t, 0), flags);
1961 dump_expr (TREE_OPERAND (t, 0), flags);
1962 pp_cxx_right_paren (cxx_pp);
1967 pp_cxx_identifier (cxx_pp, operator_name_info[TREE_CODE (t)].name);
1968 pp_cxx_whitespace (cxx_pp);
1969 dump_expr (TREE_OPERAND (t, 0), flags);
1973 pp_identifier (cxx_pp, "<unparsed>");
1976 case TRY_CATCH_EXPR:
1977 case WITH_CLEANUP_EXPR:
1978 case CLEANUP_POINT_EXPR:
1979 dump_expr (TREE_OPERAND (t, 0), flags);
1982 case PSEUDO_DTOR_EXPR:
1983 dump_expr (TREE_OPERAND (t, 2), flags);
1984 pp_cxx_dot (cxx_pp);
1985 dump_type (TREE_OPERAND (t, 0), flags);
1986 pp_cxx_colon_colon (cxx_pp);
1987 pp_cxx_complement (cxx_pp);
1988 dump_type (TREE_OPERAND (t, 1), flags);
1991 case TEMPLATE_ID_EXPR:
1992 dump_decl (t, flags);
1997 case STATEMENT_LIST:
1998 /* We don't yet have a way of dumping statements in a
1999 human-readable format. */
2000 pp_string (cxx_pp, "({...})");
2004 pp_string (cxx_pp, "while (1) { ");
2005 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
2006 pp_cxx_right_brace (cxx_pp);
2010 pp_string (cxx_pp, "if (");
2011 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
2012 pp_string (cxx_pp, ") break; ");
2016 dump_expr (get_first_fn (t), flags & ~TFF_EXPR_IN_PARENS);
2019 case EMPTY_CLASS_EXPR:
2020 dump_type (TREE_TYPE (t), flags);
2021 pp_cxx_left_paren (cxx_pp);
2022 pp_cxx_right_paren (cxx_pp);
2025 case NON_DEPENDENT_EXPR:
2026 dump_expr (TREE_OPERAND (t, 0), flags);
2029 case EXPR_PACK_EXPANSION:
2030 dump_expr (PACK_EXPANSION_PATTERN (t), flags);
2031 pp_cxx_identifier (cxx_pp, "...");
2043 pp_type_specifier_seq (cxx_pp, t);
2047 /* We get here when we want to print a dependent type as an
2048 id-expression, without any disambiguator decoration. */
2049 pp_id_expression (cxx_pp, t);
2052 case TEMPLATE_TYPE_PARM:
2053 case BOUND_TEMPLATE_TEMPLATE_PARM:
2054 dump_type (t, flags);
2057 /* This list is incomplete, but should suffice for now.
2058 It is very important that `sorry' does not call
2059 `report_error_function'. That could cause an infinite loop. */
2061 pp_unsupported_tree (cxx_pp, t);
2062 /* fall through to ERROR_MARK... */
2064 pp_identifier (cxx_pp, "<expression error>");
2070 dump_binary_op (const char *opstring, tree t, int flags)
2072 pp_cxx_left_paren (cxx_pp);
2073 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2074 pp_cxx_whitespace (cxx_pp);
2076 pp_cxx_identifier (cxx_pp, opstring);
2078 pp_identifier (cxx_pp, "<unknown operator>");
2079 pp_cxx_whitespace (cxx_pp);
2080 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
2081 pp_cxx_right_paren (cxx_pp);
2085 dump_unary_op (const char *opstring, tree t, int flags)
2087 if (flags & TFF_EXPR_IN_PARENS)
2088 pp_cxx_left_paren (cxx_pp);
2089 pp_cxx_identifier (cxx_pp, opstring);
2090 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
2091 if (flags & TFF_EXPR_IN_PARENS)
2092 pp_cxx_right_paren (cxx_pp);
2096 reinit_cxx_pp (void)
2098 pp_clear_output_area (cxx_pp);
2099 pp_base (cxx_pp)->padding = pp_none;
2100 pp_indentation (cxx_pp) = 0;
2101 pp_needs_newline (cxx_pp) = false;
2102 cxx_pp->enclosing_scope = 0;
2106 /* Exported interface to stringifying types, exprs and decls under TFF_*
2110 type_as_string (tree typ, int flags)
2113 dump_type (typ, flags);
2114 return pp_formatted_text (cxx_pp);
2118 expr_as_string (tree decl, int flags)
2121 dump_expr (decl, flags);
2122 return pp_formatted_text (cxx_pp);
2126 decl_as_string (tree decl, int flags)
2129 dump_decl (decl, flags);
2130 return pp_formatted_text (cxx_pp);
2133 /* Generate the three forms of printable names for cxx_printable_name. */
2136 lang_decl_name (tree decl, int v)
2139 return decl_as_string (decl, TFF_DECL_SPECIFIERS);
2142 if (v == 1 && DECL_CLASS_SCOPE_P (decl))
2144 dump_type (CP_DECL_CONTEXT (decl), TFF_PLAIN_IDENTIFIER);
2145 pp_cxx_colon_colon (cxx_pp);
2148 if (TREE_CODE (decl) == FUNCTION_DECL)
2149 dump_function_name (decl, TFF_PLAIN_IDENTIFIER);
2151 dump_decl (DECL_NAME (decl), TFF_PLAIN_IDENTIFIER);
2153 return pp_formatted_text (cxx_pp);
2156 /* Return the location of a tree passed to %+ formats. */
2159 location_of (tree t)
2161 if (TREE_CODE (t) == PARM_DECL && DECL_CONTEXT (t))
2162 t = DECL_CONTEXT (t);
2163 else if (TYPE_P (t))
2164 t = TYPE_MAIN_DECL (t);
2165 else if (TREE_CODE (t) == OVERLOAD)
2166 t = OVL_FUNCTION (t);
2168 return DECL_SOURCE_LOCATION (t);
2171 /* Now the interfaces from error et al to dump_type et al. Each takes an
2172 on/off VERBOSE flag and supply the appropriate TFF_ flags to a dump_
2176 decl_to_string (tree decl, int verbose)
2180 if (TREE_CODE (decl) == TYPE_DECL || TREE_CODE (decl) == RECORD_TYPE
2181 || TREE_CODE (decl) == UNION_TYPE || TREE_CODE (decl) == ENUMERAL_TYPE)
2182 flags = TFF_CLASS_KEY_OR_ENUM;
2184 flags |= TFF_DECL_SPECIFIERS;
2185 else if (TREE_CODE (decl) == FUNCTION_DECL)
2186 flags |= TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE;
2187 flags |= TFF_TEMPLATE_HEADER;
2190 dump_decl (decl, flags);
2191 return pp_formatted_text (cxx_pp);
2195 expr_to_string (tree decl)
2198 dump_expr (decl, 0);
2199 return pp_formatted_text (cxx_pp);
2203 fndecl_to_string (tree fndecl, int verbose)
2207 flags = TFF_EXCEPTION_SPECIFICATION | TFF_DECL_SPECIFIERS
2208 | TFF_TEMPLATE_HEADER;
2210 flags |= TFF_FUNCTION_DEFAULT_ARGUMENTS;
2212 dump_decl (fndecl, flags);
2213 return pp_formatted_text (cxx_pp);
2218 code_to_string (enum tree_code c)
2220 return tree_code_name [c];
2224 language_to_string (enum languages c)
2231 case lang_cplusplus:
2243 /* Return the proper printed version of a parameter to a C++ function. */
2246 parm_to_string (int p)
2250 pp_string (cxx_pp, "'this'");
2252 pp_decimal_int (cxx_pp, p + 1);
2253 return pp_formatted_text (cxx_pp);
2257 op_to_string (enum tree_code p)
2259 tree id = operator_name_info[(int) p].identifier;
2260 return id ? IDENTIFIER_POINTER (id) : "<unknown>";
2264 type_to_string (tree typ, int verbose)
2268 flags |= TFF_CLASS_KEY_OR_ENUM;
2269 flags |= TFF_TEMPLATE_HEADER;
2272 dump_type (typ, flags);
2273 return pp_formatted_text (cxx_pp);
2277 assop_to_string (enum tree_code p)
2279 tree id = assignment_operator_name_info[(int) p].identifier;
2280 return id ? IDENTIFIER_POINTER (id) : "{unknown}";
2284 args_to_string (tree p, int verbose)
2288 flags |= TFF_CLASS_KEY_OR_ENUM;
2293 if (TYPE_P (TREE_VALUE (p)))
2294 return type_as_string (p, flags);
2297 for (; p; p = TREE_CHAIN (p))
2299 if (TREE_VALUE (p) == null_node)
2300 pp_cxx_identifier (cxx_pp, "NULL");
2302 dump_type (error_type (TREE_VALUE (p)), flags);
2304 pp_separate_with_comma (cxx_pp);
2306 return pp_formatted_text (cxx_pp);
2310 cv_to_string (tree p, int v)
2313 pp_base (cxx_pp)->padding = v ? pp_before : pp_none;
2314 pp_cxx_cv_qualifier_seq (cxx_pp, p);
2315 return pp_formatted_text (cxx_pp);
2318 /* Langhook for print_error_function. */
2320 cxx_print_error_function (diagnostic_context *context, const char *file)
2322 lhd_print_error_function (context, file);
2323 pp_base_set_prefix (context->printer, file);
2324 maybe_print_instantiation_context (context);
2328 cp_diagnostic_starter (diagnostic_context *context,
2329 diagnostic_info *diagnostic)
2331 diagnostic_report_current_module (context);
2332 cp_print_error_function (context, diagnostic);
2333 maybe_print_instantiation_context (context);
2334 pp_base_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
2338 cp_diagnostic_finalizer (diagnostic_context *context,
2339 diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
2341 pp_base_destroy_prefix (context->printer);
2344 /* Print current function onto BUFFER, in the process of reporting
2345 a diagnostic message. Called from cp_diagnostic_starter. */
2347 cp_print_error_function (diagnostic_context *context,
2348 diagnostic_info *diagnostic)
2350 if (diagnostic_last_function_changed (context))
2352 const char *old_prefix = context->printer->prefix;
2353 const char *file = LOCATION_FILE (diagnostic->location);
2354 char *new_prefix = file ? file_name_as_prefix (file) : NULL;
2356 pp_base_set_prefix (context->printer, new_prefix);
2358 if (current_function_decl == NULL)
2359 pp_base_string (context->printer, "At global scope:");
2361 pp_printf (context->printer, "In %s %qs:",
2362 function_category (current_function_decl),
2363 cxx_printable_name (current_function_decl, 2));
2364 pp_base_newline (context->printer);
2366 diagnostic_set_last_function (context);
2367 pp_base_destroy_prefix (context->printer);
2368 context->printer->prefix = old_prefix;
2372 /* Returns a description of FUNCTION using standard terminology. */
2374 function_category (tree fn)
2376 if (DECL_FUNCTION_MEMBER_P (fn))
2378 if (DECL_STATIC_FUNCTION_P (fn))
2379 return "static member function";
2380 else if (DECL_COPY_CONSTRUCTOR_P (fn))
2381 return "copy constructor";
2382 else if (DECL_CONSTRUCTOR_P (fn))
2383 return "constructor";
2384 else if (DECL_DESTRUCTOR_P (fn))
2385 return "destructor";
2387 return "member function";
2393 /* Report the full context of a current template instantiation,
2396 print_instantiation_full_context (diagnostic_context *context)
2398 struct tinst_level *p = current_instantiation ();
2399 location_t location = input_location;
2403 if (current_function_decl != p->decl
2404 && current_function_decl != NULL_TREE)
2405 /* We can get here during the processing of some synthesized
2406 method. Then, P->DECL will be the function that's causing
2411 if (current_function_decl == p->decl)
2412 /* Avoid redundancy with the "In function" line. */;
2414 pp_verbatim (context->printer,
2415 "%s: In instantiation of %qs:\n",
2416 LOCATION_FILE (location),
2417 decl_as_string (p->decl,
2418 TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
2420 location = p->locus;
2425 print_instantiation_partial_context (context, p, location);
2428 /* Same as above but less verbose. */
2430 print_instantiation_partial_context (diagnostic_context *context,
2431 struct tinst_level *t, location_t loc)
2433 expanded_location xloc;
2434 for (; ; t = t->next)
2436 xloc = expand_location (loc);
2439 pp_verbatim (context->printer, "%s:%d: instantiated from %qs\n",
2440 xloc.file, xloc.line,
2441 decl_as_string (t->decl,
2442 TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
2445 pp_verbatim (context->printer, "%s:%d: instantiated from here",
2446 xloc.file, xloc.line);
2447 pp_base_newline (context->printer);
2450 /* Called from cp_thing to print the template context for an error. */
2452 maybe_print_instantiation_context (diagnostic_context *context)
2454 if (!problematic_instantiation_changed () || current_instantiation () == 0)
2457 record_last_problematic_instantiation ();
2458 print_instantiation_full_context (context);
2461 /* Report the bare minimum context of a template instantiation. */
2463 print_instantiation_context (void)
2465 print_instantiation_partial_context
2466 (global_dc, current_instantiation (), input_location);
2467 diagnostic_flush_buffer (global_dc);
2470 /* Called from output_format -- during diagnostic message processing --
2471 to handle C++ specific format specifier with the following meanings:
2472 %A function argument-list.
2476 %F function declaration.
2477 %L language as used in extern "lang".
2479 %P function parameter whose position is indicated by an integer.
2480 %Q assignment operator.
2484 cp_printer (pretty_printer *pp, text_info *text, const char *spec,
2485 int precision, bool wide, bool set_locus, bool verbose)
2489 #define next_tree (t = va_arg (*text->args_ptr, tree))
2490 #define next_tcode va_arg (*text->args_ptr, enum tree_code)
2491 #define next_lang va_arg (*text->args_ptr, enum languages)
2492 #define next_int va_arg (*text->args_ptr, int)
2494 if (precision != 0 || wide)
2497 if (text->locus == NULL)
2502 case 'A': result = args_to_string (next_tree, verbose); break;
2503 case 'C': result = code_to_string (next_tcode); break;
2506 tree temp = next_tree;
2508 && DECL_DEBUG_EXPR_IS_FROM (temp) && DECL_DEBUG_EXPR (temp))
2510 temp = DECL_DEBUG_EXPR (temp);
2513 result = expr_to_string (temp);
2517 result = decl_to_string (temp, verbose);
2520 case 'E': result = expr_to_string (next_tree); break;
2521 case 'F': result = fndecl_to_string (next_tree, verbose); break;
2522 case 'L': result = language_to_string (next_lang); break;
2523 case 'O': result = op_to_string (next_tcode); break;
2524 case 'P': result = parm_to_string (next_int); break;
2525 case 'Q': result = assop_to_string (next_tcode); break;
2526 case 'T': result = type_to_string (next_tree, verbose); break;
2527 case 'V': result = cv_to_string (next_tree, verbose); break;
2533 pp_base_string (pp, result);
2534 if (set_locus && t != NULL)
2535 *text->locus = location_of (t);
2543 /* Callback from cpp_error for PFILE to print diagnostics arising from
2544 interpreting strings. The diagnostic is of type LEVEL; MSG is the
2545 translated message and AP the arguments. */
2548 cp_cpp_error (cpp_reader *pfile ATTRIBUTE_UNUSED, int level,
2549 const char *msg, va_list *ap)
2551 diagnostic_info diagnostic;
2552 diagnostic_t dlevel;
2555 case CPP_DL_WARNING:
2556 case CPP_DL_WARNING_SYSHDR:
2557 dlevel = DK_WARNING;
2559 case CPP_DL_PEDWARN:
2560 dlevel = pedantic_error_kind ();
2571 diagnostic_set_info_translated (&diagnostic, msg, ap,
2572 input_location, dlevel);
2573 report_diagnostic (&diagnostic);
2576 /* Warn about the use of variadic templates when appropriate. */
2578 maybe_warn_variadic_templates (void)
2580 if ((cxx_dialect == cxx98) && !in_system_header)
2581 /* We really want to suppress this warning in system headers,
2582 because libstdc++ uses variadic templates even when we aren't
2584 pedwarn ("ISO C++ does not include variadic templates");