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, 2003,
4 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
5 Free Software Foundation, Inc.
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
24 #include "coretypes.h"
29 #include "diagnostic.h"
30 #include "tree-diagnostic.h"
31 #include "langhooks-def.h"
33 #include "cxx-pretty-print.h"
34 #include "tree-pretty-print.h"
35 #include "pointer-set.h"
36 #include "c-family/c-objc.h"
38 #define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
39 #define pp_separate_with_semicolon(PP) pp_cxx_separate_with (PP, ';')
41 /* The global buffer where we dump everything. It is there only for
42 transitional purpose. It is expected, in the near future, to be
43 completely removed. */
44 static cxx_pretty_printer scratch_pretty_printer
;
45 #define cxx_pp (&scratch_pretty_printer)
47 /* Translate if being used for diagnostics, but not for dump files or
49 #define M_(msgid) (pp_translate_identifiers (cxx_pp) ? _(msgid) : (msgid))
51 # define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
53 static const char *args_to_string (tree
, int);
54 static const char *assop_to_string (enum tree_code
);
55 static const char *code_to_string (enum tree_code
);
56 static const char *cv_to_string (tree
, int);
57 static const char *decl_to_string (tree
, int);
58 static const char *expr_to_string (tree
);
59 static const char *fndecl_to_string (tree
, int);
60 static const char *op_to_string (enum tree_code
);
61 static const char *parm_to_string (int);
62 static const char *type_to_string (tree
, int);
64 static void dump_alias_template_specialization (tree
, int);
65 static void dump_type (tree
, int);
66 static void dump_typename (tree
, int);
67 static void dump_simple_decl (tree
, tree
, int);
68 static void dump_decl (tree
, int);
69 static void dump_template_decl (tree
, int);
70 static void dump_function_decl (tree
, int);
71 static void dump_expr (tree
, int);
72 static void dump_unary_op (const char *, tree
, int);
73 static void dump_binary_op (const char *, tree
, int);
74 static void dump_aggr_type (tree
, int);
75 static void dump_type_prefix (tree
, int);
76 static void dump_type_suffix (tree
, int);
77 static void dump_function_name (tree
, int);
78 static void dump_call_expr_args (tree
, int, bool);
79 static void dump_aggr_init_expr_args (tree
, int, bool);
80 static void dump_expr_list (tree
, int);
81 static void dump_global_iord (tree
);
82 static void dump_parameters (tree
, int);
83 static void dump_exception_spec (tree
, int);
84 static void dump_template_argument (tree
, int);
85 static void dump_template_argument_list (tree
, int);
86 static void dump_template_parameter (tree
, int);
87 static void dump_template_bindings (tree
, tree
, VEC(tree
,gc
) *);
88 static void dump_scope (tree
, int);
89 static void dump_template_parms (tree
, int, int);
90 static int get_non_default_template_args_count (tree
, int);
91 static const char *function_category (tree
);
92 static void maybe_print_constexpr_context (diagnostic_context
*);
93 static void maybe_print_instantiation_context (diagnostic_context
*);
94 static void print_instantiation_full_context (diagnostic_context
*);
95 static void print_instantiation_partial_context (diagnostic_context
*,
98 static void cp_diagnostic_starter (diagnostic_context
*, diagnostic_info
*);
99 static void cp_diagnostic_finalizer (diagnostic_context
*, diagnostic_info
*);
100 static void cp_print_error_function (diagnostic_context
*, diagnostic_info
*);
102 static bool cp_printer (pretty_printer
*, text_info
*, const char *,
103 int, bool, bool, bool);
108 diagnostic_starter (global_dc
) = cp_diagnostic_starter
;
109 diagnostic_finalizer (global_dc
) = cp_diagnostic_finalizer
;
110 diagnostic_format_decoder (global_dc
) = cp_printer
;
112 pp_construct (pp_base (cxx_pp
), NULL
, 0);
113 pp_cxx_pretty_printer_init (cxx_pp
);
116 /* Dump a scope, if deemed necessary. */
119 dump_scope (tree scope
, int flags
)
121 int f
= flags
& (TFF_SCOPE
| TFF_CHASE_TYPEDEF
);
123 if (scope
== NULL_TREE
)
126 if (TREE_CODE (scope
) == NAMESPACE_DECL
)
128 if (scope
!= global_namespace
)
130 dump_decl (scope
, f
);
131 pp_cxx_colon_colon (cxx_pp
);
134 else if (AGGREGATE_TYPE_P (scope
))
136 dump_type (scope
, f
);
137 pp_cxx_colon_colon (cxx_pp
);
139 else if ((flags
& TFF_SCOPE
) && TREE_CODE (scope
) == FUNCTION_DECL
)
141 dump_function_decl (scope
, f
);
142 pp_cxx_colon_colon (cxx_pp
);
146 /* Dump the template ARGument under control of FLAGS. */
149 dump_template_argument (tree arg
, int flags
)
151 if (ARGUMENT_PACK_P (arg
))
152 dump_template_argument_list (ARGUMENT_PACK_ARGS (arg
),
153 /* No default args in argument packs. */
154 flags
|TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS
);
155 else if (TYPE_P (arg
) || TREE_CODE (arg
) == TEMPLATE_DECL
)
156 dump_type (arg
, flags
& ~TFF_CLASS_KEY_OR_ENUM
);
159 if (TREE_CODE (arg
) == TREE_LIST
)
160 arg
= TREE_VALUE (arg
);
162 dump_expr (arg
, (flags
| TFF_EXPR_IN_PARENS
) & ~TFF_CLASS_KEY_OR_ENUM
);
166 /* Count the number of template arguments ARGS whose value does not
167 match the (optional) default template parameter in PARAMS */
170 get_non_default_template_args_count (tree args
, int flags
)
172 int n
= TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (args
));
174 if (/* We use this flag when generating debug information. We don't
175 want to expand templates at this point, for this may generate
176 new decls, which gets decl counts out of sync, which may in
177 turn cause codegen differences between compilations with and
179 (flags
& TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS
) != 0
180 || !flag_pretty_templates
)
183 return GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (INNERMOST_TEMPLATE_ARGS (args
));
186 /* Dump a template-argument-list ARGS (always a TREE_VEC) under control
190 dump_template_argument_list (tree args
, int flags
)
192 int n
= get_non_default_template_args_count (args
, flags
);
196 for (i
= 0; i
< n
; ++i
)
198 tree arg
= TREE_VEC_ELT (args
, i
);
200 /* Only print a comma if we know there is an argument coming. In
201 the case of an empty template argument pack, no actual
202 argument will be printed. */
204 && (!ARGUMENT_PACK_P (arg
)
205 || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg
)) > 0))
206 pp_separate_with_comma (cxx_pp
);
208 dump_template_argument (arg
, flags
);
213 /* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
216 dump_template_parameter (tree parm
, int flags
)
221 if (parm
== error_mark_node
)
224 p
= TREE_VALUE (parm
);
225 a
= TREE_PURPOSE (parm
);
227 if (TREE_CODE (p
) == TYPE_DECL
)
229 if (flags
& TFF_DECL_SPECIFIERS
)
231 pp_cxx_ws_string (cxx_pp
, "class");
232 if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (p
)))
233 pp_cxx_ws_string (cxx_pp
, "...");
235 pp_cxx_tree_identifier (cxx_pp
, DECL_NAME (p
));
237 else if (DECL_NAME (p
))
238 pp_cxx_tree_identifier (cxx_pp
, DECL_NAME (p
));
240 pp_cxx_canonical_template_parameter (cxx_pp
, TREE_TYPE (p
));
243 dump_decl (p
, flags
| TFF_DECL_SPECIFIERS
);
245 if ((flags
& TFF_FUNCTION_DEFAULT_ARGUMENTS
) && a
!= NULL_TREE
)
247 pp_cxx_whitespace (cxx_pp
);
249 pp_cxx_whitespace (cxx_pp
);
250 if (TREE_CODE (p
) == TYPE_DECL
|| TREE_CODE (p
) == TEMPLATE_DECL
)
251 dump_type (a
, flags
& ~TFF_CHASE_TYPEDEF
);
253 dump_expr (a
, flags
| TFF_EXPR_IN_PARENS
);
257 /* Dump, under control of FLAGS, a template-parameter-list binding.
258 PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
262 dump_template_bindings (tree parms
, tree args
, VEC(tree
,gc
)* typenames
)
264 bool need_semicolon
= false;
270 tree p
= TREE_VALUE (parms
);
271 int lvl
= TMPL_PARMS_DEPTH (parms
);
274 tree lvl_args
= NULL_TREE
;
276 /* Don't crash if we had an invalid argument list. */
277 if (TMPL_ARGS_DEPTH (args
) >= lvl
)
278 lvl_args
= TMPL_ARGS_LEVEL (args
, lvl
);
280 for (i
= 0; i
< TREE_VEC_LENGTH (p
); ++i
)
282 tree arg
= NULL_TREE
;
284 /* Don't crash if we had an invalid argument list. */
285 if (lvl_args
&& NUM_TMPL_ARGS (lvl_args
) > arg_idx
)
286 arg
= TREE_VEC_ELT (lvl_args
, arg_idx
);
289 pp_separate_with_semicolon (cxx_pp
);
290 dump_template_parameter (TREE_VEC_ELT (p
, i
), TFF_PLAIN_IDENTIFIER
);
291 pp_cxx_whitespace (cxx_pp
);
293 pp_cxx_whitespace (cxx_pp
);
296 if (ARGUMENT_PACK_P (arg
))
297 pp_cxx_left_brace (cxx_pp
);
298 dump_template_argument (arg
, TFF_PLAIN_IDENTIFIER
);
299 if (ARGUMENT_PACK_P (arg
))
300 pp_cxx_right_brace (cxx_pp
);
303 pp_string (cxx_pp
, M_("<missing>"));
306 need_semicolon
= true;
309 parms
= TREE_CHAIN (parms
);
312 /* Don't bother with typenames for a partial instantiation. */
313 if (VEC_empty (tree
, typenames
) || uses_template_parms (args
))
316 FOR_EACH_VEC_ELT (tree
, typenames
, i
, t
)
319 pp_separate_with_semicolon (cxx_pp
);
320 dump_type (t
, TFF_PLAIN_IDENTIFIER
);
321 pp_cxx_whitespace (cxx_pp
);
323 pp_cxx_whitespace (cxx_pp
);
324 push_deferring_access_checks (dk_no_check
);
325 t
= tsubst (t
, args
, tf_none
, NULL_TREE
);
326 pop_deferring_access_checks ();
327 /* Strip typedefs. We can't just use TFF_CHASE_TYPEDEF because
328 pp_simple_type_specifier doesn't know about it. */
329 t
= strip_typedefs (t
);
330 dump_type (t
, TFF_PLAIN_IDENTIFIER
);
334 /* Dump a human-readable equivalent of the alias template
335 specialization of T. */
338 dump_alias_template_specialization (tree t
, int flags
)
342 gcc_assert (alias_template_specialization_p (t
));
344 if (!(flags
& TFF_UNQUALIFIED_NAME
))
345 dump_scope (CP_DECL_CONTEXT (TYPE_NAME (t
)), flags
);
346 name
= TYPE_IDENTIFIER (t
);
347 pp_cxx_tree_identifier (cxx_pp
, name
);
348 dump_template_parms (TYPE_TEMPLATE_INFO (t
),
350 flags
& ~TFF_TEMPLATE_HEADER
);
353 /* Dump a human-readable equivalent of TYPE. FLAGS controls the
357 dump_type (tree t
, int flags
)
362 /* Don't print e.g. "struct mytypedef". */
363 if (TYPE_P (t
) && typedef_variant_p (t
))
365 tree decl
= TYPE_NAME (t
);
366 if ((flags
& TFF_CHASE_TYPEDEF
)
367 || DECL_SELF_REFERENCE_P (decl
)
368 || (!flag_pretty_templates
369 && DECL_LANG_SPECIFIC (decl
) && DECL_TEMPLATE_INFO (decl
)))
370 t
= strip_typedefs (t
);
371 else if (alias_template_specialization_p (t
))
373 dump_alias_template_specialization (t
, flags
);
376 else if (same_type_p (t
, TREE_TYPE (decl
)))
380 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
381 pp_cxx_tree_identifier (cxx_pp
, TYPE_IDENTIFIER (t
));
386 if (TYPE_PTRMEMFUNC_P (t
))
389 switch (TREE_CODE (t
))
392 if (t
== init_list_type_node
)
393 pp_string (cxx_pp
, M_("<brace-enclosed initializer list>"));
394 else if (t
== unknown_type_node
)
395 pp_string (cxx_pp
, M_("<unresolved overloaded function type>"));
398 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
399 pp_cxx_tree_identifier (cxx_pp
, TYPE_IDENTIFIER (t
));
404 /* A list of function parms. */
405 dump_parameters (t
, flags
);
408 case IDENTIFIER_NODE
:
409 pp_cxx_tree_identifier (cxx_pp
, t
);
413 dump_type (BINFO_TYPE (t
), flags
);
419 dump_aggr_type (t
, flags
);
423 if (flags
& TFF_CHASE_TYPEDEF
)
425 dump_type (DECL_ORIGINAL_TYPE (t
)
426 ? DECL_ORIGINAL_TYPE (t
) : TREE_TYPE (t
), flags
);
429 /* Else fall through. */
433 dump_decl (t
, flags
& ~TFF_DECL_SPECIFIERS
);
442 case FIXED_POINT_TYPE
:
443 pp_type_specifier_seq (cxx_pp
, t
);
446 case TEMPLATE_TEMPLATE_PARM
:
447 /* For parameters inside template signature. */
448 if (TYPE_IDENTIFIER (t
))
449 pp_cxx_tree_identifier (cxx_pp
, TYPE_IDENTIFIER (t
));
451 pp_cxx_canonical_template_parameter (cxx_pp
, t
);
454 case BOUND_TEMPLATE_TEMPLATE_PARM
:
456 tree args
= TYPE_TI_ARGS (t
);
457 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
458 pp_cxx_tree_identifier (cxx_pp
, TYPE_IDENTIFIER (t
));
459 pp_cxx_begin_template_argument_list (cxx_pp
);
460 dump_template_argument_list (args
, flags
);
461 pp_cxx_end_template_argument_list (cxx_pp
);
465 case TEMPLATE_TYPE_PARM
:
466 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
467 if (TYPE_IDENTIFIER (t
))
468 pp_cxx_tree_identifier (cxx_pp
, TYPE_IDENTIFIER (t
));
470 pp_cxx_canonical_template_parameter
471 (cxx_pp
, TEMPLATE_TYPE_PARM_INDEX (t
));
474 /* This is not always necessary for pointers and such, but doing this
475 reduces code size. */
484 dump_type_prefix (t
, flags
);
485 dump_type_suffix (t
, flags
);
489 if (! (flags
& TFF_CHASE_TYPEDEF
)
490 && DECL_ORIGINAL_TYPE (TYPE_NAME (t
)))
492 dump_decl (TYPE_NAME (t
), TFF_PLAIN_IDENTIFIER
);
495 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
496 pp_cxx_ws_string (cxx_pp
,
497 TYPENAME_IS_ENUM_P (t
) ? "enum"
498 : TYPENAME_IS_CLASS_P (t
) ? "class"
500 dump_typename (t
, flags
);
503 case UNBOUND_CLASS_TEMPLATE
:
504 if (! (flags
& TFF_UNQUALIFIED_NAME
))
506 dump_type (TYPE_CONTEXT (t
), flags
);
507 pp_cxx_colon_colon (cxx_pp
);
509 pp_cxx_ws_string (cxx_pp
, "template");
510 dump_type (DECL_NAME (TYPE_NAME (t
)), flags
);
514 pp_cxx_ws_string (cxx_pp
, "__typeof__");
515 pp_cxx_whitespace (cxx_pp
);
516 pp_cxx_left_paren (cxx_pp
);
517 dump_expr (TYPEOF_TYPE_EXPR (t
), flags
& ~TFF_EXPR_IN_PARENS
);
518 pp_cxx_right_paren (cxx_pp
);
521 case UNDERLYING_TYPE
:
522 pp_cxx_ws_string (cxx_pp
, "__underlying_type");
523 pp_cxx_whitespace (cxx_pp
);
524 pp_cxx_left_paren (cxx_pp
);
525 dump_expr (UNDERLYING_TYPE_TYPE (t
), flags
& ~TFF_EXPR_IN_PARENS
);
526 pp_cxx_right_paren (cxx_pp
);
529 case TYPE_PACK_EXPANSION
:
530 dump_type (PACK_EXPANSION_PATTERN (t
), flags
);
531 pp_cxx_ws_string (cxx_pp
, "...");
534 case TYPE_ARGUMENT_PACK
:
535 dump_template_argument (t
, flags
);
539 pp_cxx_ws_string (cxx_pp
, "decltype");
540 pp_cxx_whitespace (cxx_pp
);
541 pp_cxx_left_paren (cxx_pp
);
542 dump_expr (DECLTYPE_TYPE_EXPR (t
), flags
& ~TFF_EXPR_IN_PARENS
);
543 pp_cxx_right_paren (cxx_pp
);
547 pp_string (cxx_pp
, "std::nullptr_t");
551 pp_unsupported_tree (cxx_pp
, t
);
552 /* Fall through to error. */
555 pp_string (cxx_pp
, M_("<type error>"));
560 /* Dump a TYPENAME_TYPE. We need to notice when the context is itself
564 dump_typename (tree t
, int flags
)
566 tree ctx
= TYPE_CONTEXT (t
);
568 if (TREE_CODE (ctx
) == TYPENAME_TYPE
)
569 dump_typename (ctx
, flags
);
571 dump_type (ctx
, flags
& ~TFF_CLASS_KEY_OR_ENUM
);
572 pp_cxx_colon_colon (cxx_pp
);
573 dump_decl (TYPENAME_TYPE_FULLNAME (t
), flags
);
576 /* Return the name of the supplied aggregate, or enumeral type. */
579 class_key_or_enum_as_string (tree t
)
581 if (TREE_CODE (t
) == ENUMERAL_TYPE
)
583 if (SCOPED_ENUM_P (t
))
588 else if (TREE_CODE (t
) == UNION_TYPE
)
590 else if (TYPE_LANG_SPECIFIC (t
) && CLASSTYPE_DECLARED_CLASS (t
))
596 /* Print out a class declaration T under the control of FLAGS,
597 in the form `class foo'. */
600 dump_aggr_type (tree t
, int flags
)
603 const char *variety
= class_key_or_enum_as_string (t
);
607 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
609 if (flags
& TFF_CLASS_KEY_OR_ENUM
)
610 pp_cxx_ws_string (cxx_pp
, variety
);
612 name
= TYPE_NAME (t
);
616 typdef
= (!DECL_ARTIFICIAL (name
)
617 /* An alias specialization is not considered to be a
619 && !alias_template_specialization_p (t
));
622 && ((flags
& TFF_CHASE_TYPEDEF
)
623 || (!flag_pretty_templates
&& DECL_LANG_SPECIFIC (name
)
624 && DECL_TEMPLATE_INFO (name
))))
625 || DECL_SELF_REFERENCE_P (name
))
627 t
= TYPE_MAIN_VARIANT (t
);
628 name
= TYPE_NAME (t
);
632 tmplate
= !typdef
&& TREE_CODE (t
) != ENUMERAL_TYPE
633 && TYPE_LANG_SPECIFIC (t
) && CLASSTYPE_TEMPLATE_INFO (t
)
634 && (TREE_CODE (CLASSTYPE_TI_TEMPLATE (t
)) != TEMPLATE_DECL
635 || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t
)));
637 if (! (flags
& TFF_UNQUALIFIED_NAME
))
638 dump_scope (CP_DECL_CONTEXT (name
), flags
| TFF_SCOPE
);
639 flags
&= ~TFF_UNQUALIFIED_NAME
;
642 /* Because the template names are mangled, we have to locate
643 the most general template, and use that name. */
644 tree tpl
= TYPE_TI_TEMPLATE (t
);
646 while (DECL_TEMPLATE_INFO (tpl
))
647 tpl
= DECL_TI_TEMPLATE (tpl
);
650 name
= DECL_NAME (name
);
653 if (name
== 0 || ANON_AGGRNAME_P (name
))
655 if (flags
& TFF_CLASS_KEY_OR_ENUM
)
656 pp_string (cxx_pp
, M_("<anonymous>"));
658 pp_printf (pp_base (cxx_pp
), M_("<anonymous %s>"), variety
);
660 else if (LAMBDANAME_P (name
))
662 /* A lambda's "type" is essentially its signature. */
663 pp_string (cxx_pp
, M_("<lambda"));
664 if (lambda_function (t
))
665 dump_parameters (FUNCTION_FIRST_USER_PARMTYPE (lambda_function (t
)),
667 pp_character(cxx_pp
, '>');
670 pp_cxx_tree_identifier (cxx_pp
, name
);
672 dump_template_parms (TYPE_TEMPLATE_INFO (t
),
673 !CLASSTYPE_USE_TEMPLATE (t
),
674 flags
& ~TFF_TEMPLATE_HEADER
);
677 /* Dump into the obstack the initial part of the output for a given type.
678 This is necessary when dealing with things like functions returning
681 return type of `int (* fee ())()': pointer -> function -> int. Both
682 pointer (and reference and offset) and function (and member) types must
683 deal with prefix and suffix.
685 Arrays must also do this for DECL nodes, like int a[], and for things like
689 dump_type_prefix (tree t
, int flags
)
691 if (TYPE_PTRMEMFUNC_P (t
))
693 t
= TYPE_PTRMEMFUNC_FN_TYPE (t
);
697 switch (TREE_CODE (t
))
702 tree sub
= TREE_TYPE (t
);
704 dump_type_prefix (sub
, flags
);
705 if (TREE_CODE (sub
) == ARRAY_TYPE
706 || TREE_CODE (sub
) == FUNCTION_TYPE
)
708 pp_cxx_whitespace (cxx_pp
);
709 pp_cxx_left_paren (cxx_pp
);
710 pp_c_attributes_display (pp_c_base (cxx_pp
),
711 TYPE_ATTRIBUTES (sub
));
713 if (TREE_CODE (t
) == POINTER_TYPE
)
714 pp_character(cxx_pp
, '*');
715 else if (TREE_CODE (t
) == REFERENCE_TYPE
)
717 if (TYPE_REF_IS_RVALUE (t
))
718 pp_string (cxx_pp
, "&&");
720 pp_character (cxx_pp
, '&');
722 pp_base (cxx_pp
)->padding
= pp_before
;
723 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
729 dump_type_prefix (TREE_TYPE (t
), flags
);
730 if (TREE_CODE (t
) == OFFSET_TYPE
) /* pmfs deal with this in d_t_p */
732 pp_maybe_space (cxx_pp
);
733 if (TREE_CODE (TREE_TYPE (t
)) == ARRAY_TYPE
)
734 pp_cxx_left_paren (cxx_pp
);
735 dump_type (TYPE_OFFSET_BASETYPE (t
), flags
);
736 pp_cxx_colon_colon (cxx_pp
);
738 pp_cxx_star (cxx_pp
);
739 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
740 pp_base (cxx_pp
)->padding
= pp_before
;
743 /* This can be reached without a pointer when dealing with
744 templates, e.g. std::is_function. */
746 dump_type_prefix (TREE_TYPE (t
), flags
);
750 dump_type_prefix (TREE_TYPE (t
), flags
);
751 pp_maybe_space (cxx_pp
);
752 pp_cxx_left_paren (cxx_pp
);
753 dump_aggr_type (TYPE_METHOD_BASETYPE (t
), flags
);
754 pp_cxx_colon_colon (cxx_pp
);
758 dump_type_prefix (TREE_TYPE (t
), flags
);
762 case IDENTIFIER_NODE
:
767 case TEMPLATE_TYPE_PARM
:
768 case TEMPLATE_TEMPLATE_PARM
:
769 case BOUND_TEMPLATE_TEMPLATE_PARM
:
780 case UNDERLYING_TYPE
:
782 case TYPE_PACK_EXPANSION
:
783 case FIXED_POINT_TYPE
:
785 dump_type (t
, flags
);
786 pp_base (cxx_pp
)->padding
= pp_before
;
790 pp_unsupported_tree (cxx_pp
, t
);
793 pp_string (cxx_pp
, M_("<typeprefixerror>"));
798 /* Dump the suffix of type T, under control of FLAGS. This is the part
799 which appears after the identifier (or function parms). */
802 dump_type_suffix (tree t
, int flags
)
804 if (TYPE_PTRMEMFUNC_P (t
))
805 t
= TYPE_PTRMEMFUNC_FN_TYPE (t
);
807 switch (TREE_CODE (t
))
812 if (TREE_CODE (TREE_TYPE (t
)) == ARRAY_TYPE
813 || TREE_CODE (TREE_TYPE (t
)) == FUNCTION_TYPE
)
814 pp_cxx_right_paren (cxx_pp
);
815 dump_type_suffix (TREE_TYPE (t
), flags
);
822 if (TREE_CODE (t
) == METHOD_TYPE
)
823 /* Can only be reached through a pointer. */
824 pp_cxx_right_paren (cxx_pp
);
825 arg
= TYPE_ARG_TYPES (t
);
826 if (TREE_CODE (t
) == METHOD_TYPE
)
827 arg
= TREE_CHAIN (arg
);
829 /* Function pointers don't have default args. Not in standard C++,
830 anyway; they may in g++, but we'll just pretend otherwise. */
831 dump_parameters (arg
, flags
& ~TFF_FUNCTION_DEFAULT_ARGUMENTS
);
833 if (TREE_CODE (t
) == METHOD_TYPE
)
834 pp_cxx_cv_qualifier_seq (cxx_pp
, class_of_this_parm (t
));
836 pp_cxx_cv_qualifier_seq (cxx_pp
, t
);
837 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t
), flags
);
838 dump_type_suffix (TREE_TYPE (t
), flags
);
843 pp_maybe_space (cxx_pp
);
844 pp_cxx_left_bracket (cxx_pp
);
847 tree dtype
= TYPE_DOMAIN (t
);
848 tree max
= TYPE_MAX_VALUE (dtype
);
849 if (host_integerp (max
, 0))
850 pp_wide_integer (cxx_pp
, tree_low_cst (max
, 0) + 1);
851 else if (TREE_CODE (max
) == MINUS_EXPR
)
852 dump_expr (TREE_OPERAND (max
, 0),
853 flags
& ~TFF_EXPR_IN_PARENS
);
855 dump_expr (fold_build2_loc (input_location
,
856 PLUS_EXPR
, dtype
, max
,
857 build_int_cst (dtype
, 1)),
858 flags
& ~TFF_EXPR_IN_PARENS
);
860 pp_cxx_right_bracket (cxx_pp
);
861 dump_type_suffix (TREE_TYPE (t
), flags
);
865 case IDENTIFIER_NODE
:
870 case TEMPLATE_TYPE_PARM
:
871 case TEMPLATE_TEMPLATE_PARM
:
872 case BOUND_TEMPLATE_TEMPLATE_PARM
:
883 case UNDERLYING_TYPE
:
885 case TYPE_PACK_EXPANSION
:
886 case FIXED_POINT_TYPE
:
891 pp_unsupported_tree (cxx_pp
, t
);
893 /* Don't mark it here, we should have already done in
900 dump_global_iord (tree t
)
902 const char *p
= NULL
;
904 if (DECL_GLOBAL_CTOR_P (t
))
905 p
= M_("(static initializers for %s)");
906 else if (DECL_GLOBAL_DTOR_P (t
))
907 p
= M_("(static destructors for %s)");
911 pp_printf (pp_base (cxx_pp
), p
, input_filename
);
915 dump_simple_decl (tree t
, tree type
, int flags
)
917 if (flags
& TFF_DECL_SPECIFIERS
)
919 if (TREE_CODE (t
) == VAR_DECL
920 && DECL_DECLARED_CONSTEXPR_P (t
))
921 pp_cxx_ws_string (cxx_pp
, "constexpr");
922 dump_type_prefix (type
, flags
& ~TFF_UNQUALIFIED_NAME
);
923 pp_maybe_space (cxx_pp
);
925 if (! (flags
& TFF_UNQUALIFIED_NAME
)
926 && TREE_CODE (t
) != PARM_DECL
927 && (!DECL_INITIAL (t
)
928 || TREE_CODE (DECL_INITIAL (t
)) != TEMPLATE_PARM_INDEX
))
929 dump_scope (CP_DECL_CONTEXT (t
), flags
);
930 flags
&= ~TFF_UNQUALIFIED_NAME
;
931 if ((flags
& TFF_DECL_SPECIFIERS
)
932 && DECL_TEMPLATE_PARM_P (t
)
933 && TEMPLATE_PARM_PARAMETER_PACK (DECL_INITIAL (t
)))
934 pp_string (cxx_pp
, "...");
936 dump_decl (DECL_NAME (t
), flags
);
938 pp_string (cxx_pp
, M_("<anonymous>"));
939 if (flags
& TFF_DECL_SPECIFIERS
)
940 dump_type_suffix (type
, flags
);
943 /* Dump a human readable string for the decl T under control of FLAGS. */
946 dump_decl (tree t
, int flags
)
951 /* If doing Objective-C++, give Objective-C a chance to demangle
952 Objective-C method names. */
953 if (c_dialect_objc ())
955 const char *demangled
= objc_maybe_printable_name (t
, flags
);
958 pp_string (cxx_pp
, demangled
);
963 switch (TREE_CODE (t
))
966 /* Don't say 'typedef class A' */
967 if (DECL_ARTIFICIAL (t
) && !DECL_SELF_REFERENCE_P (t
))
969 if ((flags
& TFF_DECL_SPECIFIERS
)
970 && TREE_CODE (TREE_TYPE (t
)) == TEMPLATE_TYPE_PARM
)
972 /* Say `class T' not just `T'. */
973 pp_cxx_ws_string (cxx_pp
, "class");
975 /* Emit the `...' for a parameter pack. */
976 if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t
)))
977 pp_cxx_ws_string (cxx_pp
, "...");
980 dump_type (TREE_TYPE (t
), flags
);
983 if (TYPE_DECL_ALIAS_P (t
)
984 && (flags
& TFF_DECL_SPECIFIERS
985 || flags
& TFF_CLASS_KEY_OR_ENUM
))
987 pp_cxx_ws_string (cxx_pp
, "using");
988 dump_decl (DECL_NAME (t
), flags
);
989 pp_cxx_whitespace (cxx_pp
);
990 pp_cxx_ws_string (cxx_pp
, "=");
991 pp_cxx_whitespace (cxx_pp
);
992 dump_type (DECL_ORIGINAL_TYPE (t
), flags
);
995 if ((flags
& TFF_DECL_SPECIFIERS
)
996 && !DECL_SELF_REFERENCE_P (t
))
997 pp_cxx_ws_string (cxx_pp
, "typedef");
998 dump_simple_decl (t
, DECL_ORIGINAL_TYPE (t
)
999 ? DECL_ORIGINAL_TYPE (t
) : TREE_TYPE (t
),
1004 if (DECL_NAME (t
) && VTABLE_NAME_P (DECL_NAME (t
)))
1006 pp_string (cxx_pp
, M_("vtable for "));
1007 gcc_assert (TYPE_P (DECL_CONTEXT (t
)));
1008 dump_type (DECL_CONTEXT (t
), flags
);
1011 /* Else fall through. */
1014 dump_simple_decl (t
, TREE_TYPE (t
), flags
);
1018 pp_string (cxx_pp
, M_("<return value> "));
1019 dump_simple_decl (t
, TREE_TYPE (t
), flags
);
1022 case NAMESPACE_DECL
:
1023 if (flags
& TFF_DECL_SPECIFIERS
)
1024 pp_cxx_declaration (cxx_pp
, t
);
1027 if (! (flags
& TFF_UNQUALIFIED_NAME
))
1028 dump_scope (CP_DECL_CONTEXT (t
), flags
);
1029 flags
&= ~TFF_UNQUALIFIED_NAME
;
1030 if (DECL_NAME (t
) == NULL_TREE
)
1031 pp_cxx_ws_string (cxx_pp
, M_("{anonymous}"));
1033 pp_cxx_tree_identifier (cxx_pp
, DECL_NAME (t
));
1038 dump_type (TREE_OPERAND (t
, 0), flags
);
1039 pp_string (cxx_pp
, "::");
1040 dump_decl (TREE_OPERAND (t
, 1), flags
|TFF_UNQUALIFIED_NAME
);
1044 dump_decl (TREE_OPERAND (t
, 0), flags
);
1045 pp_cxx_left_bracket (cxx_pp
);
1046 dump_decl (TREE_OPERAND (t
, 1), flags
);
1047 pp_cxx_right_bracket (cxx_pp
);
1050 /* So that we can do dump_decl on an aggr type. */
1054 dump_type (t
, flags
);
1058 /* This is a pseudo destructor call which has not been folded into
1059 a PSEUDO_DTOR_EXPR yet. */
1060 pp_cxx_complement (cxx_pp
);
1061 dump_type (TREE_OPERAND (t
, 0), flags
);
1068 /* These special cases are duplicated here so that other functions
1069 can feed identifiers to error and get them demangled properly. */
1070 case IDENTIFIER_NODE
:
1071 if (IDENTIFIER_TYPENAME_P (t
))
1073 pp_cxx_ws_string (cxx_pp
, "operator");
1074 /* Not exactly IDENTIFIER_TYPE_VALUE. */
1075 dump_type (TREE_TYPE (t
), flags
);
1079 pp_cxx_tree_identifier (cxx_pp
, t
);
1085 t
= OVL_CURRENT (t
);
1086 if (DECL_CLASS_SCOPE_P (t
))
1088 dump_type (DECL_CONTEXT (t
), flags
);
1089 pp_cxx_colon_colon (cxx_pp
);
1091 else if (!DECL_FILE_SCOPE_P (t
))
1093 dump_decl (DECL_CONTEXT (t
), flags
);
1094 pp_cxx_colon_colon (cxx_pp
);
1096 dump_decl (DECL_NAME (t
), flags
);
1100 /* If there's only one function, just treat it like an ordinary
1102 t
= OVL_CURRENT (t
);
1106 if (! DECL_LANG_SPECIFIC (t
))
1107 pp_string (cxx_pp
, M_("<built-in>"));
1108 else if (DECL_GLOBAL_CTOR_P (t
) || DECL_GLOBAL_DTOR_P (t
))
1109 dump_global_iord (t
);
1111 dump_function_decl (t
, flags
);
1115 dump_template_decl (t
, flags
);
1118 case TEMPLATE_ID_EXPR
:
1120 tree name
= TREE_OPERAND (t
, 0);
1121 tree args
= TREE_OPERAND (t
, 1);
1123 if (is_overloaded_fn (name
))
1124 name
= DECL_NAME (get_first_fn (name
));
1125 dump_decl (name
, flags
);
1126 pp_cxx_begin_template_argument_list (cxx_pp
);
1127 if (args
== error_mark_node
)
1128 pp_string (cxx_pp
, M_("<template arguments error>"));
1130 dump_template_argument_list (args
, flags
);
1131 pp_cxx_end_template_argument_list (cxx_pp
);
1136 pp_cxx_tree_identifier (cxx_pp
, DECL_NAME (t
));
1140 if ((TREE_TYPE (t
) != NULL_TREE
&& NEXT_CODE (t
) == ENUMERAL_TYPE
)
1141 || (DECL_INITIAL (t
) &&
1142 TREE_CODE (DECL_INITIAL (t
)) == TEMPLATE_PARM_INDEX
))
1143 dump_simple_decl (t
, TREE_TYPE (t
), flags
);
1144 else if (DECL_NAME (t
))
1145 dump_decl (DECL_NAME (t
), flags
);
1146 else if (DECL_INITIAL (t
))
1147 dump_expr (DECL_INITIAL (t
), flags
| TFF_EXPR_IN_PARENS
);
1149 pp_string (cxx_pp
, M_("<enumerator>"));
1153 pp_cxx_ws_string (cxx_pp
, "using");
1154 dump_type (USING_DECL_SCOPE (t
), flags
);
1155 pp_cxx_colon_colon (cxx_pp
);
1156 dump_decl (DECL_NAME (t
), flags
);
1160 pp_cxx_declaration (cxx_pp
, t
);
1164 dump_decl (BASELINK_FUNCTIONS (t
), flags
);
1167 case NON_DEPENDENT_EXPR
:
1168 dump_expr (t
, flags
);
1171 case TEMPLATE_TYPE_PARM
:
1172 if (flags
& TFF_DECL_SPECIFIERS
)
1173 pp_cxx_declaration (cxx_pp
, t
);
1175 pp_type_id (cxx_pp
, t
);
1178 case UNBOUND_CLASS_TEMPLATE
:
1179 case TYPE_PACK_EXPANSION
:
1181 dump_type (t
, flags
);
1185 pp_unsupported_tree (cxx_pp
, t
);
1186 /* Fall through to error. */
1189 pp_string (cxx_pp
, M_("<declaration error>"));
1194 /* Dump a template declaration T under control of FLAGS. This means the
1195 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
1198 dump_template_decl (tree t
, int flags
)
1200 tree orig_parms
= DECL_TEMPLATE_PARMS (t
);
1204 if (flags
& TFF_TEMPLATE_HEADER
)
1206 for (parms
= orig_parms
= nreverse (orig_parms
);
1208 parms
= TREE_CHAIN (parms
))
1210 tree inner_parms
= INNERMOST_TEMPLATE_PARMS (parms
);
1211 int len
= TREE_VEC_LENGTH (inner_parms
);
1213 pp_cxx_ws_string (cxx_pp
, "template");
1214 pp_cxx_begin_template_argument_list (cxx_pp
);
1216 /* If we've shown the template prefix, we'd better show the
1217 parameters' and decl's type too. */
1218 flags
|= TFF_DECL_SPECIFIERS
;
1220 for (i
= 0; i
< len
; i
++)
1223 pp_separate_with_comma (cxx_pp
);
1224 dump_template_parameter (TREE_VEC_ELT (inner_parms
, i
), flags
);
1226 pp_cxx_end_template_argument_list (cxx_pp
);
1227 pp_cxx_whitespace (cxx_pp
);
1229 nreverse(orig_parms
);
1231 if (DECL_TEMPLATE_TEMPLATE_PARM_P (t
))
1233 /* Say `template<arg> class TT' not just `template<arg> TT'. */
1234 pp_cxx_ws_string (cxx_pp
, "class");
1236 /* If this is a parameter pack, print the ellipsis. */
1237 if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t
)))
1238 pp_cxx_ws_string (cxx_pp
, "...");
1242 if (DECL_CLASS_TEMPLATE_P (t
))
1243 dump_type (TREE_TYPE (t
),
1244 ((flags
& ~TFF_CLASS_KEY_OR_ENUM
) | TFF_TEMPLATE_NAME
1245 | (flags
& TFF_DECL_SPECIFIERS
? TFF_CLASS_KEY_OR_ENUM
: 0)));
1246 else if (DECL_TEMPLATE_RESULT (t
)
1247 && (TREE_CODE (DECL_TEMPLATE_RESULT (t
)) == VAR_DECL
1248 /* Alias template. */
1249 || DECL_TYPE_TEMPLATE_P (t
)))
1250 dump_decl (DECL_TEMPLATE_RESULT (t
), flags
| TFF_TEMPLATE_NAME
);
1253 gcc_assert (TREE_TYPE (t
));
1254 switch (NEXT_CODE (t
))
1258 dump_function_decl (t
, flags
| TFF_TEMPLATE_NAME
);
1261 /* This case can occur with some invalid code. */
1262 dump_type (TREE_TYPE (t
),
1263 (flags
& ~TFF_CLASS_KEY_OR_ENUM
) | TFF_TEMPLATE_NAME
1264 | (flags
& TFF_DECL_SPECIFIERS
1265 ? TFF_CLASS_KEY_OR_ENUM
: 0));
1270 /* find_typenames looks through the type of the function template T
1271 and returns a VEC containing any typedefs, decltypes or TYPENAME_TYPEs
1274 struct find_typenames_t
1276 struct pointer_set_t
*p_set
;
1277 VEC (tree
,gc
) *typenames
;
1281 find_typenames_r (tree
*tp
, int *walk_subtrees ATTRIBUTE_UNUSED
, void *data
)
1283 struct find_typenames_t
*d
= (struct find_typenames_t
*)data
;
1284 tree mv
= NULL_TREE
;
1286 if (TYPE_P (*tp
) && is_typedef_decl (TYPE_NAME (*tp
)))
1287 /* Add the type of the typedef without any additional cv-quals. */
1288 mv
= TREE_TYPE (TYPE_NAME (*tp
));
1289 else if (TREE_CODE (*tp
) == TYPENAME_TYPE
1290 || TREE_CODE (*tp
) == DECLTYPE_TYPE
)
1291 /* Add the typename without any cv-qualifiers. */
1292 mv
= TYPE_MAIN_VARIANT (*tp
);
1294 if (mv
&& (mv
== *tp
|| !pointer_set_insert (d
->p_set
, mv
)))
1295 VEC_safe_push (tree
, gc
, d
->typenames
, mv
);
1297 /* Search into class template arguments, which cp_walk_subtrees
1299 if (CLASS_TYPE_P (*tp
) && CLASSTYPE_TEMPLATE_INFO (*tp
))
1300 cp_walk_tree (&CLASSTYPE_TI_ARGS (*tp
), find_typenames_r
,
1306 static VEC(tree
,gc
) *
1307 find_typenames (tree t
)
1309 struct find_typenames_t ft
;
1310 ft
.p_set
= pointer_set_create ();
1311 ft
.typenames
= NULL
;
1312 cp_walk_tree (&TREE_TYPE (DECL_TEMPLATE_RESULT (t
)),
1313 find_typenames_r
, &ft
, ft
.p_set
);
1314 pointer_set_destroy (ft
.p_set
);
1315 return ft
.typenames
;
1318 /* Pretty print a function decl. There are several ways we want to print a
1319 function declaration. The TFF_ bits in FLAGS tells us how to behave.
1320 As error can only apply the '#' flag once to give 0 and 1 for V, there
1321 is %D which doesn't print the throw specs, and %F which does. */
1324 dump_function_decl (tree t
, int flags
)
1328 tree cname
= NULL_TREE
;
1329 tree template_args
= NULL_TREE
;
1330 tree template_parms
= NULL_TREE
;
1331 int show_return
= flags
& TFF_RETURN_TYPE
|| flags
& TFF_DECL_SPECIFIERS
;
1332 int do_outer_scope
= ! (flags
& TFF_UNQUALIFIED_NAME
);
1334 VEC(tree
,gc
) *typenames
= NULL
;
1336 if (DECL_NAME (t
) && LAMBDA_FUNCTION_P (t
))
1338 /* A lambda's signature is essentially its "type", so defer. */
1339 gcc_assert (LAMBDA_TYPE_P (DECL_CONTEXT (t
)));
1340 dump_type (DECL_CONTEXT (t
), flags
);
1344 flags
&= ~TFF_UNQUALIFIED_NAME
;
1345 if (TREE_CODE (t
) == TEMPLATE_DECL
)
1346 t
= DECL_TEMPLATE_RESULT (t
);
1348 /* Save the exceptions, in case t is a specialization and we are
1349 emitting an error about incompatible specifications. */
1350 exceptions
= TYPE_RAISES_EXCEPTIONS (TREE_TYPE (t
));
1352 /* Pretty print template instantiations only. */
1353 if (DECL_USE_TEMPLATE (t
) && DECL_TEMPLATE_INFO (t
)
1354 && flag_pretty_templates
)
1358 template_args
= DECL_TI_ARGS (t
);
1359 tmpl
= most_general_template (t
);
1360 if (tmpl
&& TREE_CODE (tmpl
) == TEMPLATE_DECL
)
1362 template_parms
= DECL_TEMPLATE_PARMS (tmpl
);
1364 typenames
= find_typenames (t
);
1368 fntype
= TREE_TYPE (t
);
1369 parmtypes
= FUNCTION_FIRST_USER_PARMTYPE (t
);
1371 if (DECL_CLASS_SCOPE_P (t
))
1372 cname
= DECL_CONTEXT (t
);
1373 /* This is for partially instantiated template methods. */
1374 else if (TREE_CODE (fntype
) == METHOD_TYPE
)
1375 cname
= TREE_TYPE (TREE_VALUE (parmtypes
));
1377 if (flags
& TFF_DECL_SPECIFIERS
)
1379 if (DECL_STATIC_FUNCTION_P (t
))
1380 pp_cxx_ws_string (cxx_pp
, "static");
1381 else if (DECL_VIRTUAL_P (t
))
1382 pp_cxx_ws_string (cxx_pp
, "virtual");
1384 if (DECL_DECLARED_CONSTEXPR_P (STRIP_TEMPLATE (t
)))
1385 pp_cxx_ws_string (cxx_pp
, "constexpr");
1388 /* Print the return type? */
1390 show_return
= !DECL_CONV_FN_P (t
) && !DECL_CONSTRUCTOR_P (t
)
1391 && !DECL_DESTRUCTOR_P (t
);
1393 dump_type_prefix (TREE_TYPE (fntype
), flags
);
1395 /* Print the function name. */
1396 if (!do_outer_scope
)
1400 dump_type (cname
, flags
);
1401 pp_cxx_colon_colon (cxx_pp
);
1404 dump_scope (CP_DECL_CONTEXT (t
), flags
);
1406 dump_function_name (t
, flags
);
1408 if (!(flags
& TFF_NO_FUNCTION_ARGUMENTS
))
1410 dump_parameters (parmtypes
, flags
);
1412 if (TREE_CODE (fntype
) == METHOD_TYPE
)
1414 pp_base (cxx_pp
)->padding
= pp_before
;
1415 pp_cxx_cv_qualifier_seq (cxx_pp
, class_of_this_parm (fntype
));
1418 if (flags
& TFF_EXCEPTION_SPECIFICATION
)
1420 pp_base (cxx_pp
)->padding
= pp_before
;
1421 dump_exception_spec (exceptions
, flags
);
1425 dump_type_suffix (TREE_TYPE (fntype
), flags
);
1427 /* If T is a template instantiation, dump the parameter binding. */
1428 if (template_parms
!= NULL_TREE
&& template_args
!= NULL_TREE
)
1430 pp_cxx_whitespace (cxx_pp
);
1431 pp_cxx_left_bracket (cxx_pp
);
1432 pp_cxx_ws_string (cxx_pp
, M_("with"));
1433 pp_cxx_whitespace (cxx_pp
);
1434 dump_template_bindings (template_parms
, template_args
, typenames
);
1435 pp_cxx_right_bracket (cxx_pp
);
1438 else if (template_args
)
1440 bool need_comma
= false;
1442 pp_cxx_begin_template_argument_list (cxx_pp
);
1443 template_args
= INNERMOST_TEMPLATE_ARGS (template_args
);
1444 for (i
= 0; i
< TREE_VEC_LENGTH (template_args
); ++i
)
1446 tree arg
= TREE_VEC_ELT (template_args
, i
);
1448 pp_separate_with_comma (cxx_pp
);
1449 if (ARGUMENT_PACK_P (arg
))
1450 pp_cxx_left_brace (cxx_pp
);
1451 dump_template_argument (arg
, TFF_PLAIN_IDENTIFIER
);
1452 if (ARGUMENT_PACK_P (arg
))
1453 pp_cxx_right_brace (cxx_pp
);
1456 pp_cxx_end_template_argument_list (cxx_pp
);
1460 /* Print a parameter list. If this is for a member function, the
1461 member object ptr (and any other hidden args) should have
1462 already been removed. */
1465 dump_parameters (tree parmtypes
, int flags
)
1468 flags
&= ~TFF_SCOPE
;
1469 pp_cxx_left_paren (cxx_pp
);
1471 for (first
= 1; parmtypes
!= void_list_node
;
1472 parmtypes
= TREE_CHAIN (parmtypes
))
1475 pp_separate_with_comma (cxx_pp
);
1479 pp_cxx_ws_string (cxx_pp
, "...");
1483 dump_type (TREE_VALUE (parmtypes
), flags
);
1485 if ((flags
& TFF_FUNCTION_DEFAULT_ARGUMENTS
) && TREE_PURPOSE (parmtypes
))
1487 pp_cxx_whitespace (cxx_pp
);
1489 pp_cxx_whitespace (cxx_pp
);
1490 dump_expr (TREE_PURPOSE (parmtypes
), flags
| TFF_EXPR_IN_PARENS
);
1494 pp_cxx_right_paren (cxx_pp
);
1497 /* Print an exception specification. T is the exception specification. */
1500 dump_exception_spec (tree t
, int flags
)
1502 if (t
&& TREE_PURPOSE (t
))
1504 pp_cxx_ws_string (cxx_pp
, "noexcept");
1505 pp_cxx_whitespace (cxx_pp
);
1506 pp_cxx_left_paren (cxx_pp
);
1507 if (DEFERRED_NOEXCEPT_SPEC_P (t
))
1508 pp_cxx_ws_string (cxx_pp
, "<uninstantiated>");
1510 dump_expr (TREE_PURPOSE (t
), flags
);
1511 pp_cxx_right_paren (cxx_pp
);
1515 pp_cxx_ws_string (cxx_pp
, "throw");
1516 pp_cxx_whitespace (cxx_pp
);
1517 pp_cxx_left_paren (cxx_pp
);
1518 if (TREE_VALUE (t
) != NULL_TREE
)
1521 dump_type (TREE_VALUE (t
), flags
);
1525 pp_separate_with_comma (cxx_pp
);
1527 pp_cxx_right_paren (cxx_pp
);
1531 /* Handle the function name for a FUNCTION_DECL node, grokking operators
1532 and destructors properly. */
1535 dump_function_name (tree t
, int flags
)
1537 tree name
= DECL_NAME (t
);
1539 /* We can get here with a decl that was synthesized by language-
1540 independent machinery (e.g. coverage.c) in which case it won't
1541 have a lang_specific structure attached and DECL_CONSTRUCTOR_P
1542 will crash. In this case it is safe just to print out the
1544 if (!DECL_LANG_SPECIFIC (t
))
1546 pp_cxx_tree_identifier (cxx_pp
, name
);
1550 if (TREE_CODE (t
) == TEMPLATE_DECL
)
1551 t
= DECL_TEMPLATE_RESULT (t
);
1553 /* Don't let the user see __comp_ctor et al. */
1554 if (DECL_CONSTRUCTOR_P (t
)
1555 || DECL_DESTRUCTOR_P (t
))
1557 if (LAMBDA_TYPE_P (DECL_CONTEXT (t
)))
1558 name
= get_identifier ("<lambda>");
1560 name
= constructor_name (DECL_CONTEXT (t
));
1563 if (DECL_DESTRUCTOR_P (t
))
1565 pp_cxx_complement (cxx_pp
);
1566 dump_decl (name
, TFF_PLAIN_IDENTIFIER
);
1568 else if (DECL_CONV_FN_P (t
))
1570 /* This cannot use the hack that the operator's return
1571 type is stashed off of its name because it may be
1572 used for error reporting. In the case of conflicting
1573 declarations, both will have the same name, yet
1574 the types will be different, hence the TREE_TYPE field
1575 of the first name will be clobbered by the second. */
1576 pp_cxx_ws_string (cxx_pp
, "operator");
1577 dump_type (TREE_TYPE (TREE_TYPE (t
)), flags
);
1579 else if (name
&& IDENTIFIER_OPNAME_P (name
))
1580 pp_cxx_tree_identifier (cxx_pp
, name
);
1581 else if (name
&& UDLIT_OPER_P (name
))
1582 pp_cxx_tree_identifier (cxx_pp
, name
);
1584 dump_decl (name
, flags
);
1586 if (DECL_TEMPLATE_INFO (t
)
1587 && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t
)
1588 && (TREE_CODE (DECL_TI_TEMPLATE (t
)) != TEMPLATE_DECL
1589 || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t
))))
1590 dump_template_parms (DECL_TEMPLATE_INFO (t
), !DECL_USE_TEMPLATE (t
), flags
);
1593 /* Dump the template parameters from the template info INFO under control of
1594 FLAGS. PRIMARY indicates whether this is a primary template decl, or
1595 specialization (partial or complete). For partial specializations we show
1596 the specialized parameter values. For a primary template we show no
1600 dump_template_parms (tree info
, int primary
, int flags
)
1602 tree args
= info
? TI_ARGS (info
) : NULL_TREE
;
1604 if (primary
&& flags
& TFF_TEMPLATE_NAME
)
1606 flags
&= ~(TFF_CLASS_KEY_OR_ENUM
| TFF_TEMPLATE_NAME
);
1607 pp_cxx_begin_template_argument_list (cxx_pp
);
1609 /* Be careful only to print things when we have them, so as not
1610 to crash producing error messages. */
1611 if (args
&& !primary
)
1614 len
= get_non_default_template_args_count (args
, flags
);
1616 args
= INNERMOST_TEMPLATE_ARGS (args
);
1617 for (ix
= 0; ix
!= len
; ix
++)
1619 tree arg
= TREE_VEC_ELT (args
, ix
);
1621 /* Only print a comma if we know there is an argument coming. In
1622 the case of an empty template argument pack, no actual
1623 argument will be printed. */
1625 && (!ARGUMENT_PACK_P (arg
)
1626 || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg
)) > 0))
1627 pp_separate_with_comma (cxx_pp
);
1630 pp_string (cxx_pp
, M_("<template parameter error>"));
1632 dump_template_argument (arg
, flags
);
1637 tree tpl
= TI_TEMPLATE (info
);
1638 tree parms
= DECL_TEMPLATE_PARMS (tpl
);
1641 parms
= TREE_CODE (parms
) == TREE_LIST
? TREE_VALUE (parms
) : NULL_TREE
;
1642 len
= parms
? TREE_VEC_LENGTH (parms
) : 0;
1644 for (ix
= 0; ix
!= len
; ix
++)
1648 if (TREE_VEC_ELT (parms
, ix
) == error_mark_node
)
1650 pp_string (cxx_pp
, M_("<template parameter error>"));
1654 parm
= TREE_VALUE (TREE_VEC_ELT (parms
, ix
));
1657 pp_separate_with_comma (cxx_pp
);
1659 dump_decl (parm
, flags
& ~TFF_DECL_SPECIFIERS
);
1662 pp_cxx_end_template_argument_list (cxx_pp
);
1665 /* Print out the arguments of CALL_EXPR T as a parenthesized list using
1666 flags FLAGS. Skip over the first argument if SKIPFIRST is true. */
1669 dump_call_expr_args (tree t
, int flags
, bool skipfirst
)
1672 call_expr_arg_iterator iter
;
1674 pp_cxx_left_paren (cxx_pp
);
1675 FOR_EACH_CALL_EXPR_ARG (arg
, iter
, t
)
1681 dump_expr (arg
, flags
| TFF_EXPR_IN_PARENS
);
1682 if (more_call_expr_args_p (&iter
))
1683 pp_separate_with_comma (cxx_pp
);
1686 pp_cxx_right_paren (cxx_pp
);
1689 /* Print out the arguments of AGGR_INIT_EXPR T as a parenthesized list
1690 using flags FLAGS. Skip over the first argument if SKIPFIRST is
1694 dump_aggr_init_expr_args (tree t
, int flags
, bool skipfirst
)
1697 aggr_init_expr_arg_iterator iter
;
1699 pp_cxx_left_paren (cxx_pp
);
1700 FOR_EACH_AGGR_INIT_EXPR_ARG (arg
, iter
, t
)
1706 dump_expr (arg
, flags
| TFF_EXPR_IN_PARENS
);
1707 if (more_aggr_init_expr_args_p (&iter
))
1708 pp_separate_with_comma (cxx_pp
);
1711 pp_cxx_right_paren (cxx_pp
);
1714 /* Print out a list of initializers (subr of dump_expr). */
1717 dump_expr_list (tree l
, int flags
)
1721 dump_expr (TREE_VALUE (l
), flags
| TFF_EXPR_IN_PARENS
);
1724 pp_separate_with_comma (cxx_pp
);
1728 /* Print out a vector of initializers (subr of dump_expr). */
1731 dump_expr_init_vec (VEC(constructor_elt
,gc
) *v
, int flags
)
1733 unsigned HOST_WIDE_INT idx
;
1736 FOR_EACH_CONSTRUCTOR_VALUE (v
, idx
, value
)
1738 dump_expr (value
, flags
| TFF_EXPR_IN_PARENS
);
1739 if (idx
!= VEC_length (constructor_elt
, v
) - 1)
1740 pp_separate_with_comma (cxx_pp
);
1745 /* We've gotten an indirect REFERENCE (an OBJ_TYPE_REF) to a virtual
1746 function. Resolve it to a close relative -- in the sense of static
1747 type -- variant being overridden. That is close to what was written in
1748 the source code. Subroutine of dump_expr. */
1751 resolve_virtual_fun_from_obj_type_ref (tree ref
)
1753 tree obj_type
= TREE_TYPE (OBJ_TYPE_REF_OBJECT (ref
));
1754 HOST_WIDE_INT index
= tree_low_cst (OBJ_TYPE_REF_TOKEN (ref
), 1);
1755 tree fun
= BINFO_VIRTUALS (TYPE_BINFO (TREE_TYPE (obj_type
)));
1758 fun
= TREE_CHAIN (fun
);
1759 index
-= (TARGET_VTABLE_USES_DESCRIPTORS
1760 ? TARGET_VTABLE_USES_DESCRIPTORS
: 1);
1766 /* Print out an expression E under control of FLAGS. */
1769 dump_expr (tree t
, int flags
)
1774 if (STATEMENT_CLASS_P (t
))
1776 pp_cxx_ws_string (cxx_pp
, M_("<statement>"));
1780 switch (TREE_CODE (t
))
1788 case NAMESPACE_DECL
:
1792 case IDENTIFIER_NODE
:
1793 dump_decl (t
, ((flags
& ~(TFF_DECL_SPECIFIERS
|TFF_RETURN_TYPE
1794 |TFF_TEMPLATE_HEADER
))
1795 | TFF_NO_FUNCTION_ARGUMENTS
));
1799 if (!DECL_ARTIFICIAL (SSA_NAME_VAR (t
)))
1800 dump_expr (SSA_NAME_VAR (t
), flags
);
1802 pp_cxx_ws_string (cxx_pp
, M_("<unknown>"));
1809 pp_constant (cxx_pp
, t
);
1812 case USERDEF_LITERAL
:
1813 pp_cxx_userdef_literal (cxx_pp
, t
);
1817 /* While waiting for caret diagnostics, avoid printing
1818 __cxa_allocate_exception, __cxa_throw, and the like. */
1819 pp_cxx_ws_string (cxx_pp
, M_("<throw-expression>"));
1823 pp_ampersand (cxx_pp
);
1824 dump_type (PTRMEM_CST_CLASS (t
), flags
);
1825 pp_cxx_colon_colon (cxx_pp
);
1826 pp_cxx_tree_identifier (cxx_pp
, DECL_NAME (PTRMEM_CST_MEMBER (t
)));
1830 pp_cxx_left_paren (cxx_pp
);
1831 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
1832 pp_separate_with_comma (cxx_pp
);
1833 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
1834 pp_cxx_right_paren (cxx_pp
);
1838 pp_cxx_left_paren (cxx_pp
);
1839 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
1840 pp_string (cxx_pp
, " ? ");
1841 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
1842 pp_string (cxx_pp
, " : ");
1843 dump_expr (TREE_OPERAND (t
, 2), flags
| TFF_EXPR_IN_PARENS
);
1844 pp_cxx_right_paren (cxx_pp
);
1848 if (TREE_HAS_CONSTRUCTOR (t
))
1850 pp_cxx_ws_string (cxx_pp
, "new");
1851 pp_cxx_whitespace (cxx_pp
);
1852 dump_type (TREE_TYPE (TREE_TYPE (t
)), flags
);
1855 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
1858 case AGGR_INIT_EXPR
:
1860 tree fn
= NULL_TREE
;
1862 if (TREE_CODE (AGGR_INIT_EXPR_FN (t
)) == ADDR_EXPR
)
1863 fn
= TREE_OPERAND (AGGR_INIT_EXPR_FN (t
), 0);
1865 if (fn
&& TREE_CODE (fn
) == FUNCTION_DECL
)
1867 if (DECL_CONSTRUCTOR_P (fn
))
1868 dump_type (DECL_CONTEXT (fn
), flags
);
1873 dump_expr (AGGR_INIT_EXPR_FN (t
), 0);
1875 dump_aggr_init_expr_args (t
, flags
, true);
1880 tree fn
= CALL_EXPR_FN (t
);
1881 bool skipfirst
= false;
1883 if (TREE_CODE (fn
) == ADDR_EXPR
)
1884 fn
= TREE_OPERAND (fn
, 0);
1886 /* Nobody is interested in seeing the guts of vcalls. */
1887 if (TREE_CODE (fn
) == OBJ_TYPE_REF
)
1888 fn
= resolve_virtual_fun_from_obj_type_ref (fn
);
1890 if (TREE_TYPE (fn
) != NULL_TREE
1891 && NEXT_CODE (fn
) == METHOD_TYPE
1892 && call_expr_nargs (t
))
1894 tree ob
= CALL_EXPR_ARG (t
, 0);
1895 if (TREE_CODE (ob
) == ADDR_EXPR
)
1897 dump_expr (TREE_OPERAND (ob
, 0), flags
| TFF_EXPR_IN_PARENS
);
1898 pp_cxx_dot (cxx_pp
);
1900 else if (TREE_CODE (ob
) != PARM_DECL
1901 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob
)), "this"))
1903 dump_expr (ob
, flags
| TFF_EXPR_IN_PARENS
);
1904 pp_cxx_arrow (cxx_pp
);
1908 dump_expr (fn
, flags
| TFF_EXPR_IN_PARENS
);
1909 dump_call_expr_args (t
, flags
, skipfirst
);
1914 /* Note that this only works for G++ target exprs. If somebody
1915 builds a general TARGET_EXPR, there's no way to represent that
1916 it initializes anything other that the parameter slot for the
1917 default argument. Note we may have cleared out the first
1918 operand in expand_expr, so don't go killing ourselves. */
1919 if (TREE_OPERAND (t
, 1))
1920 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
1923 case POINTER_PLUS_EXPR
:
1924 dump_binary_op ("+", t
, flags
);
1929 dump_binary_op (assignment_operator_name_info
[(int)NOP_EXPR
].name
,
1936 case TRUNC_DIV_EXPR
:
1937 case TRUNC_MOD_EXPR
:
1945 case TRUTH_ANDIF_EXPR
:
1946 case TRUTH_ORIF_EXPR
:
1953 case EXACT_DIV_EXPR
:
1954 dump_binary_op (operator_name_info
[(int) TREE_CODE (t
)].name
, t
, flags
);
1958 case FLOOR_DIV_EXPR
:
1959 case ROUND_DIV_EXPR
:
1961 dump_binary_op ("/", t
, flags
);
1965 case FLOOR_MOD_EXPR
:
1966 case ROUND_MOD_EXPR
:
1967 dump_binary_op ("%", t
, flags
);
1972 tree ob
= TREE_OPERAND (t
, 0);
1973 if (TREE_CODE (ob
) == INDIRECT_REF
)
1975 ob
= TREE_OPERAND (ob
, 0);
1976 if (TREE_CODE (ob
) != PARM_DECL
1978 && strcmp (IDENTIFIER_POINTER (DECL_NAME (ob
)), "this")))
1980 dump_expr (ob
, flags
| TFF_EXPR_IN_PARENS
);
1981 if (TREE_CODE (TREE_TYPE (ob
)) == REFERENCE_TYPE
)
1982 pp_cxx_dot (cxx_pp
);
1984 pp_cxx_arrow (cxx_pp
);
1989 dump_expr (ob
, flags
| TFF_EXPR_IN_PARENS
);
1990 pp_cxx_dot (cxx_pp
);
1992 dump_expr (TREE_OPERAND (t
, 1), flags
& ~TFF_EXPR_IN_PARENS
);
1997 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
1998 pp_cxx_left_bracket (cxx_pp
);
1999 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
2000 pp_cxx_right_bracket (cxx_pp
);
2003 case UNARY_PLUS_EXPR
:
2004 dump_unary_op ("+", t
, flags
);
2008 if (TREE_CODE (TREE_OPERAND (t
, 0)) == FUNCTION_DECL
2009 || TREE_CODE (TREE_OPERAND (t
, 0)) == STRING_CST
2010 /* An ADDR_EXPR can have reference type. In that case, we
2011 shouldn't print the `&' doing so indicates to the user
2012 that the expression has pointer type. */
2014 && TREE_CODE (TREE_TYPE (t
)) == REFERENCE_TYPE
))
2015 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
2016 else if (TREE_CODE (TREE_OPERAND (t
, 0)) == LABEL_DECL
)
2017 dump_unary_op ("&&", t
, flags
);
2019 dump_unary_op ("&", t
, flags
);
2023 if (TREE_HAS_CONSTRUCTOR (t
))
2025 t
= TREE_OPERAND (t
, 0);
2026 gcc_assert (TREE_CODE (t
) == CALL_EXPR
);
2027 dump_expr (CALL_EXPR_FN (t
), flags
| TFF_EXPR_IN_PARENS
);
2028 dump_call_expr_args (t
, flags
, true);
2032 if (TREE_OPERAND (t
,0) != NULL_TREE
2033 && TREE_TYPE (TREE_OPERAND (t
, 0))
2034 && NEXT_CODE (TREE_OPERAND (t
, 0)) == REFERENCE_TYPE
)
2035 dump_expr (TREE_OPERAND (t
, 0), flags
);
2037 dump_unary_op ("*", t
, flags
);
2042 if (TREE_CODE (TREE_OPERAND (t
, 0)) == ADDR_EXPR
2043 && integer_zerop (TREE_OPERAND (t
, 1)))
2044 dump_expr (TREE_OPERAND (TREE_OPERAND (t
, 0), 0), flags
);
2047 pp_cxx_star (cxx_pp
);
2048 if (!integer_zerop (TREE_OPERAND (t
, 1)))
2050 pp_cxx_left_paren (cxx_pp
);
2051 if (!integer_onep (TYPE_SIZE_UNIT
2052 (TREE_TYPE (TREE_TYPE (TREE_OPERAND (t
, 0))))))
2054 pp_cxx_left_paren (cxx_pp
);
2055 dump_type (ptr_type_node
, flags
);
2056 pp_cxx_right_paren (cxx_pp
);
2059 dump_expr (TREE_OPERAND (t
, 0), flags
);
2060 if (!integer_zerop (TREE_OPERAND (t
, 1)))
2062 pp_cxx_ws_string (cxx_pp
, "+");
2063 dump_expr (fold_convert (ssizetype
, TREE_OPERAND (t
, 1)), flags
);
2064 pp_cxx_right_paren (cxx_pp
);
2071 case TRUTH_NOT_EXPR
:
2072 case PREDECREMENT_EXPR
:
2073 case PREINCREMENT_EXPR
:
2074 dump_unary_op (operator_name_info
[(int)TREE_CODE (t
)].name
, t
, flags
);
2077 case POSTDECREMENT_EXPR
:
2078 case POSTINCREMENT_EXPR
:
2079 pp_cxx_left_paren (cxx_pp
);
2080 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
2081 pp_cxx_ws_string (cxx_pp
, operator_name_info
[(int)TREE_CODE (t
)].name
);
2082 pp_cxx_right_paren (cxx_pp
);
2085 case NON_LVALUE_EXPR
:
2086 /* FIXME: This is a KLUDGE workaround for a parsing problem. There
2087 should be another level of INDIRECT_REF so that I don't have to do
2089 if (TREE_TYPE (t
) != NULL_TREE
&& NEXT_CODE (t
) == POINTER_TYPE
)
2091 tree next
= TREE_TYPE (TREE_TYPE (t
));
2093 while (TREE_CODE (next
) == POINTER_TYPE
)
2094 next
= TREE_TYPE (next
);
2096 if (TREE_CODE (next
) == FUNCTION_TYPE
)
2098 if (flags
& TFF_EXPR_IN_PARENS
)
2099 pp_cxx_left_paren (cxx_pp
);
2100 pp_cxx_star (cxx_pp
);
2101 dump_expr (TREE_OPERAND (t
, 0), flags
& ~TFF_EXPR_IN_PARENS
);
2102 if (flags
& TFF_EXPR_IN_PARENS
)
2103 pp_cxx_right_paren (cxx_pp
);
2106 /* Else fall through. */
2108 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
2112 case IMPLICIT_CONV_EXPR
:
2113 case VIEW_CONVERT_EXPR
:
2115 tree op
= TREE_OPERAND (t
, 0);
2116 tree ttype
= TREE_TYPE (t
);
2117 tree optype
= TREE_TYPE (op
);
2119 if (TREE_CODE (ttype
) != TREE_CODE (optype
)
2120 && POINTER_TYPE_P (ttype
)
2121 && POINTER_TYPE_P (optype
)
2122 && same_type_p (TREE_TYPE (optype
),
2125 if (TREE_CODE (ttype
) == REFERENCE_TYPE
)
2126 dump_unary_op ("*", t
, flags
);
2128 dump_unary_op ("&", t
, flags
);
2130 else if (!same_type_p (TREE_TYPE (op
), TREE_TYPE (t
)))
2132 /* It is a cast, but we cannot tell whether it is a
2133 reinterpret or static cast. Use the C style notation. */
2134 if (flags
& TFF_EXPR_IN_PARENS
)
2135 pp_cxx_left_paren (cxx_pp
);
2136 pp_cxx_left_paren (cxx_pp
);
2137 dump_type (TREE_TYPE (t
), flags
);
2138 pp_cxx_right_paren (cxx_pp
);
2139 dump_expr (op
, flags
| TFF_EXPR_IN_PARENS
);
2140 if (flags
& TFF_EXPR_IN_PARENS
)
2141 pp_cxx_right_paren (cxx_pp
);
2144 dump_expr (op
, flags
);
2149 if (TREE_TYPE (t
) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t
)))
2151 tree idx
= build_ptrmemfunc_access_expr (t
, pfn_identifier
);
2153 if (integer_zerop (idx
))
2155 /* A NULL pointer-to-member constant. */
2156 pp_cxx_left_paren (cxx_pp
);
2157 pp_cxx_left_paren (cxx_pp
);
2158 dump_type (TREE_TYPE (t
), flags
);
2159 pp_cxx_right_paren (cxx_pp
);
2160 pp_character (cxx_pp
, '0');
2161 pp_cxx_right_paren (cxx_pp
);
2164 else if (host_integerp (idx
, 0))
2167 unsigned HOST_WIDE_INT n
;
2169 t
= TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t
)));
2170 t
= TYPE_METHOD_BASETYPE (t
);
2171 virtuals
= BINFO_VIRTUALS (TYPE_BINFO (TYPE_MAIN_VARIANT (t
)));
2173 n
= tree_low_cst (idx
, 0);
2175 /* Map vtable index back one, to allow for the null pointer to
2179 while (n
> 0 && virtuals
)
2182 virtuals
= TREE_CHAIN (virtuals
);
2186 dump_expr (BV_FN (virtuals
),
2187 flags
| TFF_EXPR_IN_PARENS
);
2192 if (TREE_TYPE (t
) && LAMBDA_TYPE_P (TREE_TYPE (t
)))
2193 pp_string (cxx_pp
, "<lambda closure object>");
2194 if (TREE_TYPE (t
) && EMPTY_CONSTRUCTOR_P (t
))
2196 dump_type (TREE_TYPE (t
), 0);
2197 pp_cxx_left_paren (cxx_pp
);
2198 pp_cxx_right_paren (cxx_pp
);
2202 if (!BRACE_ENCLOSED_INITIALIZER_P (t
))
2203 dump_type (TREE_TYPE (t
), 0);
2204 pp_cxx_left_brace (cxx_pp
);
2205 dump_expr_init_vec (CONSTRUCTOR_ELTS (t
), flags
);
2206 pp_cxx_right_brace (cxx_pp
);
2213 tree ob
= TREE_OPERAND (t
, 0);
2214 if (is_dummy_object (ob
))
2216 t
= TREE_OPERAND (t
, 1);
2217 if (TREE_CODE (t
) == FUNCTION_DECL
)
2219 dump_expr (t
, flags
| TFF_EXPR_IN_PARENS
);
2220 else if (BASELINK_P (t
))
2221 dump_expr (OVL_CURRENT (BASELINK_FUNCTIONS (t
)),
2222 flags
| TFF_EXPR_IN_PARENS
);
2224 dump_decl (t
, flags
);
2228 if (TREE_CODE (ob
) == INDIRECT_REF
)
2230 dump_expr (TREE_OPERAND (ob
, 0), flags
| TFF_EXPR_IN_PARENS
);
2231 pp_cxx_arrow (cxx_pp
);
2232 pp_cxx_star (cxx_pp
);
2236 dump_expr (ob
, flags
| TFF_EXPR_IN_PARENS
);
2237 pp_cxx_dot (cxx_pp
);
2238 pp_cxx_star (cxx_pp
);
2240 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
2245 case TEMPLATE_PARM_INDEX
:
2246 dump_decl (TEMPLATE_PARM_DECL (t
), flags
& ~TFF_DECL_SPECIFIERS
);
2250 if (TREE_OPERAND (t
, 0) == NULL_TREE
2251 || TREE_CHAIN (TREE_OPERAND (t
, 0)))
2253 dump_type (TREE_TYPE (t
), flags
);
2254 pp_cxx_left_paren (cxx_pp
);
2255 dump_expr_list (TREE_OPERAND (t
, 0), flags
);
2256 pp_cxx_right_paren (cxx_pp
);
2260 pp_cxx_left_paren (cxx_pp
);
2261 dump_type (TREE_TYPE (t
), flags
);
2262 pp_cxx_right_paren (cxx_pp
);
2263 pp_cxx_left_paren (cxx_pp
);
2264 dump_expr_list (TREE_OPERAND (t
, 0), flags
);
2265 pp_cxx_right_paren (cxx_pp
);
2269 case STATIC_CAST_EXPR
:
2270 pp_cxx_ws_string (cxx_pp
, "static_cast");
2272 case REINTERPRET_CAST_EXPR
:
2273 pp_cxx_ws_string (cxx_pp
, "reinterpret_cast");
2275 case CONST_CAST_EXPR
:
2276 pp_cxx_ws_string (cxx_pp
, "const_cast");
2278 case DYNAMIC_CAST_EXPR
:
2279 pp_cxx_ws_string (cxx_pp
, "dynamic_cast");
2281 pp_cxx_begin_template_argument_list (cxx_pp
);
2282 dump_type (TREE_TYPE (t
), flags
);
2283 pp_cxx_end_template_argument_list (cxx_pp
);
2284 pp_cxx_left_paren (cxx_pp
);
2285 dump_expr (TREE_OPERAND (t
, 0), flags
);
2286 pp_cxx_right_paren (cxx_pp
);
2290 dump_expr (TREE_OPERAND (t
, 0), flags
);
2291 pp_cxx_arrow (cxx_pp
);
2296 if (TREE_CODE (t
) == SIZEOF_EXPR
)
2297 pp_cxx_ws_string (cxx_pp
, "sizeof");
2300 gcc_assert (TREE_CODE (t
) == ALIGNOF_EXPR
);
2301 pp_cxx_ws_string (cxx_pp
, "__alignof__");
2303 pp_cxx_whitespace (cxx_pp
);
2304 pp_cxx_left_paren (cxx_pp
);
2305 if (TYPE_P (TREE_OPERAND (t
, 0)))
2306 dump_type (TREE_OPERAND (t
, 0), flags
);
2308 dump_expr (TREE_OPERAND (t
, 0), flags
);
2309 pp_cxx_right_paren (cxx_pp
);
2312 case AT_ENCODE_EXPR
:
2313 pp_cxx_ws_string (cxx_pp
, "@encode");
2314 pp_cxx_whitespace (cxx_pp
);
2315 pp_cxx_left_paren (cxx_pp
);
2316 dump_type (TREE_OPERAND (t
, 0), flags
);
2317 pp_cxx_right_paren (cxx_pp
);
2321 pp_cxx_ws_string (cxx_pp
, "noexcept");
2322 pp_cxx_whitespace (cxx_pp
);
2323 pp_cxx_left_paren (cxx_pp
);
2324 dump_expr (TREE_OPERAND (t
, 0), flags
);
2325 pp_cxx_right_paren (cxx_pp
);
2330 pp_cxx_ws_string (cxx_pp
, operator_name_info
[TREE_CODE (t
)].name
);
2331 pp_cxx_whitespace (cxx_pp
);
2332 dump_expr (TREE_OPERAND (t
, 0), flags
);
2336 pp_string (cxx_pp
, M_("<unparsed>"));
2339 case TRY_CATCH_EXPR
:
2340 case WITH_CLEANUP_EXPR
:
2341 case CLEANUP_POINT_EXPR
:
2342 dump_expr (TREE_OPERAND (t
, 0), flags
);
2345 case PSEUDO_DTOR_EXPR
:
2346 dump_expr (TREE_OPERAND (t
, 2), flags
);
2347 pp_cxx_dot (cxx_pp
);
2348 dump_type (TREE_OPERAND (t
, 0), flags
);
2349 pp_cxx_colon_colon (cxx_pp
);
2350 pp_cxx_complement (cxx_pp
);
2351 dump_type (TREE_OPERAND (t
, 1), flags
);
2354 case TEMPLATE_ID_EXPR
:
2355 dump_decl (t
, flags
);
2361 case STATEMENT_LIST
:
2362 /* We don't yet have a way of dumping statements in a
2363 human-readable format. */
2364 pp_string (cxx_pp
, "({...})");
2368 pp_string (cxx_pp
, "while (1) { ");
2369 dump_expr (TREE_OPERAND (t
, 0), flags
& ~TFF_EXPR_IN_PARENS
);
2370 pp_cxx_right_brace (cxx_pp
);
2374 pp_string (cxx_pp
, "if (");
2375 dump_expr (TREE_OPERAND (t
, 0), flags
& ~TFF_EXPR_IN_PARENS
);
2376 pp_string (cxx_pp
, ") break; ");
2380 dump_expr (BASELINK_FUNCTIONS (t
), flags
& ~TFF_EXPR_IN_PARENS
);
2383 case EMPTY_CLASS_EXPR
:
2384 dump_type (TREE_TYPE (t
), flags
);
2385 pp_cxx_left_paren (cxx_pp
);
2386 pp_cxx_right_paren (cxx_pp
);
2389 case NON_DEPENDENT_EXPR
:
2390 dump_expr (TREE_OPERAND (t
, 0), flags
);
2393 case ARGUMENT_PACK_SELECT
:
2394 dump_template_argument (ARGUMENT_PACK_SELECT_FROM_PACK (t
), flags
);
2406 pp_type_specifier_seq (cxx_pp
, t
);
2410 /* We get here when we want to print a dependent type as an
2411 id-expression, without any disambiguator decoration. */
2412 pp_id_expression (cxx_pp
, t
);
2415 case TEMPLATE_TYPE_PARM
:
2416 case TEMPLATE_TEMPLATE_PARM
:
2417 case BOUND_TEMPLATE_TEMPLATE_PARM
:
2418 dump_type (t
, flags
);
2422 pp_cxx_trait_expression (cxx_pp
, t
);
2426 pp_cxx_va_arg_expression (cxx_pp
, t
);
2430 pp_cxx_offsetof_expression (cxx_pp
, t
);
2434 dump_decl (t
, flags
);
2437 case EXPR_PACK_EXPANSION
:
2444 case VEC_DELETE_EXPR
:
2450 case UNORDERED_EXPR
:
2460 case FIX_TRUNC_EXPR
:
2462 pp_expression (cxx_pp
, t
);
2465 case TRUTH_AND_EXPR
:
2467 case TRUTH_XOR_EXPR
:
2468 if (flags
& TFF_EXPR_IN_PARENS
)
2469 pp_cxx_left_paren (cxx_pp
);
2470 pp_expression (cxx_pp
, t
);
2471 if (flags
& TFF_EXPR_IN_PARENS
)
2472 pp_cxx_right_paren (cxx_pp
);
2476 dump_expr (resolve_virtual_fun_from_obj_type_ref (t
), flags
);
2479 /* This list is incomplete, but should suffice for now.
2480 It is very important that `sorry' does not call
2481 `report_error_function'. That could cause an infinite loop. */
2483 pp_unsupported_tree (cxx_pp
, t
);
2484 /* fall through to ERROR_MARK... */
2486 pp_string (cxx_pp
, M_("<expression error>"));
2492 dump_binary_op (const char *opstring
, tree t
, int flags
)
2494 pp_cxx_left_paren (cxx_pp
);
2495 dump_expr (TREE_OPERAND (t
, 0), flags
| TFF_EXPR_IN_PARENS
);
2496 pp_cxx_whitespace (cxx_pp
);
2498 pp_cxx_ws_string (cxx_pp
, opstring
);
2500 pp_string (cxx_pp
, M_("<unknown operator>"));
2501 pp_cxx_whitespace (cxx_pp
);
2502 dump_expr (TREE_OPERAND (t
, 1), flags
| TFF_EXPR_IN_PARENS
);
2503 pp_cxx_right_paren (cxx_pp
);
2507 dump_unary_op (const char *opstring
, tree t
, int flags
)
2509 if (flags
& TFF_EXPR_IN_PARENS
)
2510 pp_cxx_left_paren (cxx_pp
);
2511 pp_cxx_ws_string (cxx_pp
, opstring
);
2512 dump_expr (TREE_OPERAND (t
, 0), flags
& ~TFF_EXPR_IN_PARENS
);
2513 if (flags
& TFF_EXPR_IN_PARENS
)
2514 pp_cxx_right_paren (cxx_pp
);
2518 reinit_cxx_pp (void)
2520 pp_clear_output_area (cxx_pp
);
2521 pp_base (cxx_pp
)->padding
= pp_none
;
2522 pp_indentation (cxx_pp
) = 0;
2523 pp_needs_newline (cxx_pp
) = false;
2524 cxx_pp
->enclosing_scope
= current_function_decl
;
2528 /* Exported interface to stringifying types, exprs and decls under TFF_*
2532 type_as_string (tree typ
, int flags
)
2535 pp_translate_identifiers (cxx_pp
) = false;
2536 dump_type (typ
, flags
);
2537 return pp_formatted_text (cxx_pp
);
2541 type_as_string_translate (tree typ
, int flags
)
2544 dump_type (typ
, flags
);
2545 return pp_formatted_text (cxx_pp
);
2549 expr_as_string (tree decl
, int flags
)
2552 pp_translate_identifiers (cxx_pp
) = false;
2553 dump_expr (decl
, flags
);
2554 return pp_formatted_text (cxx_pp
);
2558 decl_as_string (tree decl
, int flags
)
2561 pp_translate_identifiers (cxx_pp
) = false;
2562 dump_decl (decl
, flags
);
2563 return pp_formatted_text (cxx_pp
);
2567 decl_as_string_translate (tree decl
, int flags
)
2570 dump_decl (decl
, flags
);
2571 return pp_formatted_text (cxx_pp
);
2574 /* Generate the three forms of printable names for cxx_printable_name. */
2577 lang_decl_name (tree decl
, int v
, bool translate
)
2581 ? decl_as_string_translate (decl
, TFF_DECL_SPECIFIERS
)
2582 : decl_as_string (decl
, TFF_DECL_SPECIFIERS
));
2585 pp_translate_identifiers (cxx_pp
) = translate
;
2587 && (DECL_CLASS_SCOPE_P (decl
)
2588 || (DECL_NAMESPACE_SCOPE_P (decl
)
2589 && CP_DECL_CONTEXT (decl
) != global_namespace
)))
2591 dump_type (CP_DECL_CONTEXT (decl
), TFF_PLAIN_IDENTIFIER
);
2592 pp_cxx_colon_colon (cxx_pp
);
2595 if (TREE_CODE (decl
) == FUNCTION_DECL
)
2596 dump_function_name (decl
, TFF_PLAIN_IDENTIFIER
);
2598 dump_decl (DECL_NAME (decl
), TFF_PLAIN_IDENTIFIER
);
2600 return pp_formatted_text (cxx_pp
);
2603 /* Return the location of a tree passed to %+ formats. */
2606 location_of (tree t
)
2608 if (TREE_CODE (t
) == PARM_DECL
&& DECL_CONTEXT (t
))
2609 t
= DECL_CONTEXT (t
);
2610 else if (TYPE_P (t
))
2612 t
= TYPE_MAIN_DECL (t
);
2614 return input_location
;
2616 else if (TREE_CODE (t
) == OVERLOAD
)
2617 t
= OVL_FUNCTION (t
);
2620 return DECL_SOURCE_LOCATION (t
);
2621 return EXPR_LOC_OR_HERE (t
);
2624 /* Now the interfaces from error et al to dump_type et al. Each takes an
2625 on/off VERBOSE flag and supply the appropriate TFF_ flags to a dump_
2629 decl_to_string (tree decl
, int verbose
)
2633 if (TREE_CODE (decl
) == TYPE_DECL
|| TREE_CODE (decl
) == RECORD_TYPE
2634 || TREE_CODE (decl
) == UNION_TYPE
|| TREE_CODE (decl
) == ENUMERAL_TYPE
)
2635 flags
= TFF_CLASS_KEY_OR_ENUM
;
2637 flags
|= TFF_DECL_SPECIFIERS
;
2638 else if (TREE_CODE (decl
) == FUNCTION_DECL
)
2639 flags
|= TFF_DECL_SPECIFIERS
| TFF_RETURN_TYPE
;
2640 flags
|= TFF_TEMPLATE_HEADER
;
2643 dump_decl (decl
, flags
);
2644 return pp_formatted_text (cxx_pp
);
2648 expr_to_string (tree decl
)
2651 dump_expr (decl
, 0);
2652 return pp_formatted_text (cxx_pp
);
2656 fndecl_to_string (tree fndecl
, int verbose
)
2660 flags
= TFF_EXCEPTION_SPECIFICATION
| TFF_DECL_SPECIFIERS
2661 | TFF_TEMPLATE_HEADER
;
2663 flags
|= TFF_FUNCTION_DEFAULT_ARGUMENTS
;
2665 dump_decl (fndecl
, flags
);
2666 return pp_formatted_text (cxx_pp
);
2671 code_to_string (enum tree_code c
)
2673 return tree_code_name
[c
];
2677 language_to_string (enum languages c
)
2684 case lang_cplusplus
:
2696 /* Return the proper printed version of a parameter to a C++ function. */
2699 parm_to_string (int p
)
2703 pp_string (cxx_pp
, "'this'");
2705 pp_decimal_int (cxx_pp
, p
+ 1);
2706 return pp_formatted_text (cxx_pp
);
2710 op_to_string (enum tree_code p
)
2712 tree id
= operator_name_info
[(int) p
].identifier
;
2713 return id
? IDENTIFIER_POINTER (id
) : M_("<unknown>");
2717 type_to_string (tree typ
, int verbose
)
2721 flags
|= TFF_CLASS_KEY_OR_ENUM
;
2722 flags
|= TFF_TEMPLATE_HEADER
;
2725 dump_type (typ
, flags
);
2726 /* If we're printing a type that involves typedefs, also print the
2727 stripped version. But sometimes the stripped version looks
2728 exactly the same, so we don't want it after all. To avoid printing
2729 it in that case, we play ugly obstack games. */
2730 if (typ
&& TYPE_P (typ
) && typ
!= TYPE_CANONICAL (typ
)
2731 && !uses_template_parms (typ
))
2733 int aka_start
; char *p
;
2734 struct obstack
*ob
= pp_base (cxx_pp
)->buffer
->obstack
;
2735 /* Remember the end of the initial dump. */
2736 int len
= obstack_object_size (ob
);
2737 tree aka
= strip_typedefs (typ
);
2738 pp_string (cxx_pp
, " {aka");
2739 pp_cxx_whitespace (cxx_pp
);
2740 /* And remember the start of the aka dump. */
2741 aka_start
= obstack_object_size (ob
);
2742 dump_type (aka
, flags
);
2743 pp_character (cxx_pp
, '}');
2744 p
= (char*)obstack_base (ob
);
2745 /* If they are identical, cut off the aka with a NUL. */
2746 if (memcmp (p
, p
+aka_start
, len
) == 0)
2749 return pp_formatted_text (cxx_pp
);
2753 assop_to_string (enum tree_code p
)
2755 tree id
= assignment_operator_name_info
[(int) p
].identifier
;
2756 return id
? IDENTIFIER_POINTER (id
) : M_("{unknown}");
2760 args_to_string (tree p
, int verbose
)
2764 flags
|= TFF_CLASS_KEY_OR_ENUM
;
2769 if (TYPE_P (TREE_VALUE (p
)))
2770 return type_as_string_translate (p
, flags
);
2773 for (; p
; p
= TREE_CHAIN (p
))
2775 if (TREE_VALUE (p
) == null_node
)
2776 pp_cxx_ws_string (cxx_pp
, "NULL");
2778 dump_type (error_type (TREE_VALUE (p
)), flags
);
2780 pp_separate_with_comma (cxx_pp
);
2782 return pp_formatted_text (cxx_pp
);
2785 /* Pretty-print a deduction substitution (from deduction_tsubst_fntype). P
2786 is a TREE_LIST with purpose the TEMPLATE_DECL, value the template
2790 subst_to_string (tree p
)
2792 tree decl
= TREE_PURPOSE (p
);
2793 tree targs
= TREE_VALUE (p
);
2794 tree tparms
= DECL_TEMPLATE_PARMS (decl
);
2795 int flags
= TFF_DECL_SPECIFIERS
|TFF_TEMPLATE_HEADER
;
2801 dump_template_decl (TREE_PURPOSE (p
), flags
);
2802 pp_cxx_whitespace (cxx_pp
);
2803 pp_cxx_left_bracket (cxx_pp
);
2804 pp_cxx_ws_string (cxx_pp
, M_("with"));
2805 pp_cxx_whitespace (cxx_pp
);
2806 dump_template_bindings (tparms
, targs
, NULL
);
2807 pp_cxx_right_bracket (cxx_pp
);
2808 return pp_formatted_text (cxx_pp
);
2812 cv_to_string (tree p
, int v
)
2815 pp_base (cxx_pp
)->padding
= v
? pp_before
: pp_none
;
2816 pp_cxx_cv_qualifier_seq (cxx_pp
, p
);
2817 return pp_formatted_text (cxx_pp
);
2820 /* Langhook for print_error_function. */
2822 cxx_print_error_function (diagnostic_context
*context
, const char *file
,
2823 diagnostic_info
*diagnostic
)
2825 lhd_print_error_function (context
, file
, diagnostic
);
2826 pp_base_set_prefix (context
->printer
, file
);
2827 maybe_print_instantiation_context (context
);
2831 cp_diagnostic_starter (diagnostic_context
*context
,
2832 diagnostic_info
*diagnostic
)
2834 diagnostic_report_current_module (context
, diagnostic
->location
);
2835 cp_print_error_function (context
, diagnostic
);
2836 maybe_print_instantiation_context (context
);
2837 maybe_print_constexpr_context (context
);
2838 pp_base_set_prefix (context
->printer
, diagnostic_build_prefix (context
,
2843 cp_diagnostic_finalizer (diagnostic_context
*context
,
2844 diagnostic_info
*diagnostic
)
2846 virt_loc_aware_diagnostic_finalizer (context
, diagnostic
);
2847 pp_base_destroy_prefix (context
->printer
);
2850 /* Print current function onto BUFFER, in the process of reporting
2851 a diagnostic message. Called from cp_diagnostic_starter. */
2853 cp_print_error_function (diagnostic_context
*context
,
2854 diagnostic_info
*diagnostic
)
2856 /* If we are in an instantiation context, current_function_decl is likely
2857 to be wrong, so just rely on print_instantiation_full_context. */
2858 if (current_instantiation ())
2860 if (diagnostic_last_function_changed (context
, diagnostic
))
2862 const char *old_prefix
= context
->printer
->prefix
;
2863 const char *file
= LOCATION_FILE (diagnostic
->location
);
2864 tree abstract_origin
= diagnostic_abstract_origin (diagnostic
);
2865 char *new_prefix
= (file
&& abstract_origin
== NULL
)
2866 ? file_name_as_prefix (file
) : NULL
;
2868 pp_base_set_prefix (context
->printer
, new_prefix
);
2870 if (current_function_decl
== NULL
)
2871 pp_base_string (context
->printer
, _("At global scope:"));
2876 if (abstract_origin
)
2878 ao
= BLOCK_ABSTRACT_ORIGIN (abstract_origin
);
2879 while (TREE_CODE (ao
) == BLOCK
2880 && BLOCK_ABSTRACT_ORIGIN (ao
)
2881 && BLOCK_ABSTRACT_ORIGIN (ao
) != ao
)
2882 ao
= BLOCK_ABSTRACT_ORIGIN (ao
);
2883 gcc_assert (TREE_CODE (ao
) == FUNCTION_DECL
);
2887 fndecl
= current_function_decl
;
2889 pp_printf (context
->printer
, function_category (fndecl
),
2890 cxx_printable_name_translate (fndecl
, 2));
2892 while (abstract_origin
)
2895 tree block
= abstract_origin
;
2897 locus
= &BLOCK_SOURCE_LOCATION (block
);
2899 block
= BLOCK_SUPERCONTEXT (block
);
2900 while (block
&& TREE_CODE (block
) == BLOCK
2901 && BLOCK_ABSTRACT_ORIGIN (block
))
2903 ao
= BLOCK_ABSTRACT_ORIGIN (block
);
2905 while (TREE_CODE (ao
) == BLOCK
2906 && BLOCK_ABSTRACT_ORIGIN (ao
)
2907 && BLOCK_ABSTRACT_ORIGIN (ao
) != ao
)
2908 ao
= BLOCK_ABSTRACT_ORIGIN (ao
);
2910 if (TREE_CODE (ao
) == FUNCTION_DECL
)
2915 else if (TREE_CODE (ao
) != BLOCK
)
2918 block
= BLOCK_SUPERCONTEXT (block
);
2921 abstract_origin
= block
;
2924 while (block
&& TREE_CODE (block
) == BLOCK
)
2925 block
= BLOCK_SUPERCONTEXT (block
);
2927 if (block
&& TREE_CODE (block
) == FUNCTION_DECL
)
2929 abstract_origin
= NULL
;
2933 expanded_location s
= expand_location (*locus
);
2934 pp_base_character (context
->printer
, ',');
2935 pp_base_newline (context
->printer
);
2938 if (context
->show_column
&& s
.column
!= 0)
2939 pp_printf (context
->printer
,
2940 _(" inlined from %qs at %s:%d:%d"),
2941 cxx_printable_name_translate (fndecl
, 2),
2942 s
.file
, s
.line
, s
.column
);
2944 pp_printf (context
->printer
,
2945 _(" inlined from %qs at %s:%d"),
2946 cxx_printable_name_translate (fndecl
, 2),
2951 pp_printf (context
->printer
, _(" inlined from %qs"),
2952 cxx_printable_name_translate (fndecl
, 2));
2955 pp_base_character (context
->printer
, ':');
2957 pp_base_newline (context
->printer
);
2959 diagnostic_set_last_function (context
, diagnostic
);
2960 pp_base_destroy_prefix (context
->printer
);
2961 context
->printer
->prefix
= old_prefix
;
2965 /* Returns a description of FUNCTION using standard terminology. The
2966 result is a format string of the form "In CATEGORY %qs". */
2968 function_category (tree fn
)
2970 /* We can get called from the middle-end for diagnostics of function
2971 clones. Make sure we have language specific information before
2972 dereferencing it. */
2973 if (DECL_LANG_SPECIFIC (STRIP_TEMPLATE (fn
))
2974 && DECL_FUNCTION_MEMBER_P (fn
))
2976 if (DECL_STATIC_FUNCTION_P (fn
))
2977 return _("In static member function %qs");
2978 else if (DECL_COPY_CONSTRUCTOR_P (fn
))
2979 return _("In copy constructor %qs");
2980 else if (DECL_CONSTRUCTOR_P (fn
))
2981 return _("In constructor %qs");
2982 else if (DECL_DESTRUCTOR_P (fn
))
2983 return _("In destructor %qs");
2984 else if (LAMBDA_FUNCTION_P (fn
))
2985 return _("In lambda function");
2987 return _("In member function %qs");
2990 return _("In function %qs");
2993 /* Report the full context of a current template instantiation,
2996 print_instantiation_full_context (diagnostic_context
*context
)
2998 struct tinst_level
*p
= current_instantiation ();
2999 location_t location
= input_location
;
3003 pp_verbatim (context
->printer
,
3004 TREE_CODE (p
->decl
) == TREE_LIST
3005 ? _("%s: In substitution of %qS:\n")
3006 : _("%s: In instantiation of %q#D:\n"),
3007 LOCATION_FILE (location
),
3010 location
= p
->locus
;
3014 print_instantiation_partial_context (context
, p
, location
);
3017 /* Helper function of print_instantiation_partial_context() that
3018 prints a single line of instantiation context. */
3021 print_instantiation_partial_context_line (diagnostic_context
*context
,
3022 const struct tinst_level
*t
,
3023 location_t loc
, bool recursive_p
)
3025 expanded_location xloc
;
3026 xloc
= expand_location (loc
);
3028 if (context
->show_column
)
3029 pp_verbatim (context
->printer
, _("%s:%d:%d: "),
3030 xloc
.file
, xloc
.line
, xloc
.column
);
3032 pp_verbatim (context
->printer
, _("%s:%d: "),
3033 xloc
.file
, xloc
.line
);
3037 if (TREE_CODE (t
->decl
) == TREE_LIST
)
3038 pp_verbatim (context
->printer
,
3040 ? _("recursively required by substitution of %qS\n")
3041 : _("required by substitution of %qS\n"),
3044 pp_verbatim (context
->printer
,
3046 ? _("recursively required from %q#D\n")
3047 : _("required from %q#D\n"),
3052 pp_verbatim (context
->printer
,
3054 ? _("recursively required from here")
3055 : _("required from here"));
3059 /* Same as print_instantiation_full_context but less verbose. */
3062 print_instantiation_partial_context (diagnostic_context
*context
,
3063 struct tinst_level
*t0
, location_t loc
)
3065 struct tinst_level
*t
;
3068 location_t prev_loc
= loc
;
3070 for (t
= t0
; t
!= NULL
; t
= t
->next
)
3071 if (prev_loc
!= t
->locus
)
3073 prev_loc
= t
->locus
;
3081 int skip
= n_total
- 10;
3082 for (n
= 0; n
< 5; n
++)
3084 gcc_assert (t
!= NULL
);
3085 if (loc
!= t
->locus
)
3086 print_instantiation_partial_context_line (context
, t
, loc
,
3087 /*recursive_p=*/false);
3091 if (t
!= NULL
&& skip
> 1)
3093 expanded_location xloc
;
3094 xloc
= expand_location (loc
);
3095 if (context
->show_column
)
3096 pp_verbatim (context
->printer
,
3097 _("%s:%d:%d: [ skipping %d instantiation contexts ]\n"),
3098 xloc
.file
, xloc
.line
, xloc
.column
, skip
);
3100 pp_verbatim (context
->printer
,
3101 _("%s:%d: [ skipping %d instantiation contexts ]\n"),
3102 xloc
.file
, xloc
.line
, skip
);
3107 } while (t
!= NULL
&& --skip
> 0);
3113 while (t
->next
!= NULL
&& t
->locus
== t
->next
->locus
)
3118 print_instantiation_partial_context_line (context
, t
, loc
,
3123 print_instantiation_partial_context_line (context
, NULL
, loc
,
3124 /*recursive_p=*/false);
3125 pp_base_newline (context
->printer
);
3128 /* Called from cp_thing to print the template context for an error. */
3130 maybe_print_instantiation_context (diagnostic_context
*context
)
3132 if (!problematic_instantiation_changed () || current_instantiation () == 0)
3135 record_last_problematic_instantiation ();
3136 print_instantiation_full_context (context
);
3139 /* Report the bare minimum context of a template instantiation. */
3141 print_instantiation_context (void)
3143 print_instantiation_partial_context
3144 (global_dc
, current_instantiation (), input_location
);
3145 diagnostic_flush_buffer (global_dc
);
3148 /* Report what constexpr call(s) we're trying to expand, if any. */
3151 maybe_print_constexpr_context (diagnostic_context
*context
)
3153 VEC(tree
,heap
) *call_stack
= cx_error_context ();
3157 FOR_EACH_VEC_ELT (tree
, call_stack
, ix
, t
)
3159 expanded_location xloc
= expand_location (EXPR_LOCATION (t
));
3160 const char *s
= expr_as_string (t
, 0);
3161 if (context
->show_column
)
3162 pp_verbatim (context
->printer
,
3163 _("%s:%d:%d: in constexpr expansion of %qs"),
3164 xloc
.file
, xloc
.line
, xloc
.column
, s
);
3166 pp_verbatim (context
->printer
,
3167 _("%s:%d: in constexpr expansion of %qs"),
3168 xloc
.file
, xloc
.line
, s
);
3169 pp_base_newline (context
->printer
);
3173 /* Called from output_format -- during diagnostic message processing --
3174 to handle C++ specific format specifier with the following meanings:
3175 %A function argument-list.
3179 %F function declaration.
3180 %L language as used in extern "lang".
3182 %P function parameter whose position is indicated by an integer.
3183 %Q assignment operator.
3187 cp_printer (pretty_printer
*pp
, text_info
*text
, const char *spec
,
3188 int precision
, bool wide
, bool set_locus
, bool verbose
)
3192 #define next_tree (t = va_arg (*text->args_ptr, tree))
3193 #define next_tcode ((enum tree_code) va_arg (*text->args_ptr, int))
3194 #define next_lang ((enum languages) va_arg (*text->args_ptr, int))
3195 #define next_int va_arg (*text->args_ptr, int)
3197 if (precision
!= 0 || wide
)
3200 if (text
->locus
== NULL
)
3205 case 'A': result
= args_to_string (next_tree
, verbose
); break;
3206 case 'C': result
= code_to_string (next_tcode
); break;
3209 tree temp
= next_tree
;
3211 && DECL_DEBUG_EXPR_IS_FROM (temp
) && DECL_DEBUG_EXPR (temp
))
3213 temp
= DECL_DEBUG_EXPR (temp
);
3216 result
= expr_to_string (temp
);
3220 result
= decl_to_string (temp
, verbose
);
3223 case 'E': result
= expr_to_string (next_tree
); break;
3224 case 'F': result
= fndecl_to_string (next_tree
, verbose
); break;
3225 case 'L': result
= language_to_string (next_lang
); break;
3226 case 'O': result
= op_to_string (next_tcode
); break;
3227 case 'P': result
= parm_to_string (next_int
); break;
3228 case 'Q': result
= assop_to_string (next_tcode
); break;
3229 case 'S': result
= subst_to_string (next_tree
); break;
3230 case 'T': result
= type_to_string (next_tree
, verbose
); break;
3231 case 'V': result
= cv_to_string (next_tree
, verbose
); break;
3234 percent_K_format (text
);
3241 pp_base_string (pp
, result
);
3242 if (set_locus
&& t
!= NULL
)
3243 *text
->locus
= location_of (t
);
3251 /* Warn about the use of C++0x features when appropriate. */
3253 maybe_warn_cpp0x (cpp0x_warn_str str
)
3255 if ((cxx_dialect
== cxx98
) && !in_system_header
)
3256 /* We really want to suppress this warning in system headers,
3257 because libstdc++ uses variadic templates even when we aren't
3261 case CPP0X_INITIALIZER_LISTS
:
3262 pedwarn (input_location
, 0,
3263 "extended initializer lists "
3264 "only available with -std=c++11 or -std=gnu++11");
3266 case CPP0X_EXPLICIT_CONVERSION
:
3267 pedwarn (input_location
, 0,
3268 "explicit conversion operators "
3269 "only available with -std=c++11 or -std=gnu++11");
3271 case CPP0X_VARIADIC_TEMPLATES
:
3272 pedwarn (input_location
, 0,
3273 "variadic templates "
3274 "only available with -std=c++11 or -std=gnu++11");
3276 case CPP0X_LAMBDA_EXPR
:
3277 pedwarn (input_location
, 0,
3278 "lambda expressions "
3279 "only available with -std=c++11 or -std=gnu++11");
3282 pedwarn (input_location
, 0,
3283 "C++0x auto only available with -std=c++11 or -std=gnu++11");
3285 case CPP0X_SCOPED_ENUMS
:
3286 pedwarn (input_location
, 0,
3287 "scoped enums only available with -std=c++11 or -std=gnu++11");
3289 case CPP0X_DEFAULTED_DELETED
:
3290 pedwarn (input_location
, 0,
3291 "defaulted and deleted functions "
3292 "only available with -std=c++11 or -std=gnu++11");
3294 case CPP0X_INLINE_NAMESPACES
:
3295 pedwarn (input_location
, OPT_pedantic
,
3296 "inline namespaces "
3297 "only available with -std=c++11 or -std=gnu++11");
3299 case CPP0X_OVERRIDE_CONTROLS
:
3300 pedwarn (input_location
, 0,
3301 "override controls (override/final) "
3302 "only available with -std=c++11 or -std=gnu++11");
3305 pedwarn (input_location
, 0,
3306 "non-static data member initializers "
3307 "only available with -std=c++11 or -std=gnu++11");
3309 case CPP0X_USER_DEFINED_LITERALS
:
3310 pedwarn (input_location
, 0,
3311 "user-defined literals "
3312 "only available with -std=c++11 or -std=gnu++11");
3314 case CPP0X_DELEGATING_CTORS
:
3315 pedwarn (input_location
, 0,
3316 "delegating constructors "
3317 "only available with -std=c++11 or -std=gnu++11");
3324 /* Warn about the use of variadic templates when appropriate. */
3326 maybe_warn_variadic_templates (void)
3328 maybe_warn_cpp0x (CPP0X_VARIADIC_TEMPLATES
);
3332 /* Issue an ISO C++98 pedantic warning at LOCATION, conditional on
3333 option OPT with text GMSGID. Use this function to report
3334 diagnostics for constructs that are invalid C++98, but valid
3337 pedwarn_cxx98 (location_t location
, int opt
, const char *gmsgid
, ...)
3339 diagnostic_info diagnostic
;
3342 va_start (ap
, gmsgid
);
3343 diagnostic_set_info (&diagnostic
, gmsgid
, &ap
, location
,
3344 (cxx_dialect
== cxx98
) ? DK_PEDWARN
: DK_WARNING
);
3345 diagnostic
.option_index
= opt
;
3347 return report_diagnostic (&diagnostic
);
3350 /* Issue a diagnostic that NAME cannot be found in SCOPE. DECL is what
3351 we found when we tried to do the lookup. LOCATION is the location of
3352 the NAME identifier. */
3355 qualified_name_lookup_error (tree scope
, tree name
,
3356 tree decl
, location_t location
)
3358 if (scope
== error_mark_node
)
3359 ; /* We already complained. */
3360 else if (TYPE_P (scope
))
3362 if (!COMPLETE_TYPE_P (scope
))
3363 error_at (location
, "incomplete type %qT used in nested name specifier",
3365 else if (TREE_CODE (decl
) == TREE_LIST
)
3367 error_at (location
, "reference to %<%T::%D%> is ambiguous",
3369 print_candidates (decl
);
3372 error_at (location
, "%qD is not a member of %qT", name
, scope
);
3374 else if (scope
!= global_namespace
)
3376 error_at (location
, "%qD is not a member of %qD", name
, scope
);
3377 suggest_alternatives_for (location
, name
);
3381 error_at (location
, "%<::%D%> has not been declared", name
);
3382 suggest_alternatives_for (location
, name
);
