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 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 2, 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 COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
24 #include "coretypes.h"
31 #include "diagnostic.h"
32 #include "langhooks-def.h"
33 #include "cxx-pretty-print.h"
35 #define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
37 /* The global buffer where we dump everything. It is there only for
38 transitional purpose. It is expected, in the near future, to be
39 completely removed. */
40 static cxx_pretty_printer scratch_pretty_printer;
41 #define cxx_pp (&scratch_pretty_printer)
43 # define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
45 static const char *args_to_string (tree, int);
46 static const char *assop_to_string (enum tree_code);
47 static const char *code_to_string (enum tree_code);
48 static const char *cv_to_string (tree, int);
49 static const char *decl_to_string (tree, int);
50 static const char *expr_to_string (tree);
51 static const char *fndecl_to_string (tree, int);
52 static const char *op_to_string (enum tree_code);
53 static const char *parm_to_string (int);
54 static const char *type_to_string (tree, int);
56 static void dump_type (tree, int);
57 static void dump_typename (tree, int);
58 static void dump_simple_decl (tree, tree, int);
59 static void dump_decl (tree, int);
60 static void dump_template_decl (tree, int);
61 static void dump_function_decl (tree, int);
62 static void dump_expr (tree, int);
63 static void dump_unary_op (const char *, tree, int);
64 static void dump_binary_op (const char *, tree, int);
65 static void dump_aggr_type (tree, int);
66 static void dump_type_prefix (tree, int);
67 static void dump_type_suffix (tree, int);
68 static void dump_function_name (tree, int);
69 static void dump_expr_list (tree, int);
70 static void dump_global_iord (tree);
71 static void dump_parameters (tree, int);
72 static void dump_exception_spec (tree, int);
73 static void dump_template_argument (tree, int);
74 static void dump_template_argument_list (tree, int);
75 static void dump_template_parameter (tree, int);
76 static void dump_template_bindings (tree, tree);
77 static void dump_scope (tree, int);
78 static void dump_template_parms (tree, int, int);
80 static const char *function_category (tree);
81 static void maybe_print_instantiation_context (diagnostic_context *);
82 static void print_instantiation_full_context (diagnostic_context *);
83 static void print_instantiation_partial_context (diagnostic_context *,
85 static void cp_diagnostic_starter (diagnostic_context *, diagnostic_info *);
86 static void cp_diagnostic_finalizer (diagnostic_context *, diagnostic_info *);
87 static void cp_print_error_function (diagnostic_context *, diagnostic_info *);
89 static bool cp_printer (pretty_printer *, text_info *);
90 static tree locate_error (const char *, va_list);
91 static location_t location_of (tree);
96 diagnostic_starter (global_dc) = cp_diagnostic_starter;
97 diagnostic_finalizer (global_dc) = cp_diagnostic_finalizer;
98 diagnostic_format_decoder (global_dc) = cp_printer;
100 pp_construct (pp_base (cxx_pp), NULL, 0);
101 pp_cxx_pretty_printer_init (cxx_pp);
104 /* Dump a scope, if deemed necessary. */
107 dump_scope (tree scope, int flags)
109 int f = ~TFF_RETURN_TYPE & (flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF));
111 if (scope == NULL_TREE)
114 if (TREE_CODE (scope) == NAMESPACE_DECL)
116 if (scope != global_namespace)
118 dump_decl (scope, f);
119 pp_cxx_colon_colon (cxx_pp);
122 else if (AGGREGATE_TYPE_P (scope))
124 dump_type (scope, f);
125 pp_cxx_colon_colon (cxx_pp);
127 else if ((flags & TFF_SCOPE) && TREE_CODE (scope) == FUNCTION_DECL)
129 dump_function_decl (scope, f);
130 pp_cxx_colon_colon (cxx_pp);
134 /* Dump the template ARGument under control of FLAGS. */
137 dump_template_argument (tree arg, int flags)
139 if (TYPE_P (arg) || TREE_CODE (arg) == TEMPLATE_DECL)
140 dump_type (arg, flags & ~TFF_CLASS_KEY_OR_ENUM);
142 dump_expr (arg, (flags | TFF_EXPR_IN_PARENS) & ~TFF_CLASS_KEY_OR_ENUM);
145 /* Dump a template-argument-list ARGS (always a TREE_VEC) under control
149 dump_template_argument_list (tree args, int flags)
151 int n = TREE_VEC_LENGTH (args);
155 for (i = 0; i< n; ++i)
158 pp_separate_with_comma (cxx_pp);
159 dump_template_argument (TREE_VEC_ELT (args, i), flags);
164 /* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
167 dump_template_parameter (tree parm, int flags)
169 tree p = TREE_VALUE (parm);
170 tree a = TREE_PURPOSE (parm);
172 if (TREE_CODE (p) == TYPE_DECL)
174 if (flags & TFF_DECL_SPECIFIERS)
176 pp_cxx_identifier (cxx_pp, "class");
178 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
180 else if (DECL_NAME (p))
181 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (p));
183 pp_cxx_canonical_template_parameter (cxx_pp, TREE_TYPE (p));
186 dump_decl (p, flags | TFF_DECL_SPECIFIERS);
188 if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && a != NULL_TREE)
190 pp_cxx_whitespace (cxx_pp);
192 pp_cxx_whitespace (cxx_pp);
193 if (TREE_CODE (p) == TYPE_DECL || TREE_CODE (p) == TEMPLATE_DECL)
194 dump_type (a, flags & ~TFF_CHASE_TYPEDEF);
196 dump_expr (a, flags | TFF_EXPR_IN_PARENS);
200 /* Dump, under control of FLAGS, a template-parameter-list binding.
201 PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
205 dump_template_bindings (tree parms, tree args)
211 tree p = TREE_VALUE (parms);
212 int lvl = TMPL_PARMS_DEPTH (parms);
216 for (i = 0; i < TREE_VEC_LENGTH (p); ++i)
218 tree arg = NULL_TREE;
220 /* Don't crash if we had an invalid argument list. */
221 if (TMPL_ARGS_DEPTH (args) >= lvl)
223 tree lvl_args = TMPL_ARGS_LEVEL (args, lvl);
224 if (NUM_TMPL_ARGS (lvl_args) > arg_idx)
225 arg = TREE_VEC_ELT (lvl_args, arg_idx);
229 pp_separate_with_comma (cxx_pp);
230 dump_template_parameter (TREE_VEC_ELT (p, i), TFF_PLAIN_IDENTIFIER);
231 pp_cxx_whitespace (cxx_pp);
233 pp_cxx_whitespace (cxx_pp);
235 dump_template_argument (arg, TFF_PLAIN_IDENTIFIER);
237 pp_identifier (cxx_pp, "<missing>");
243 parms = TREE_CHAIN (parms);
247 /* Dump a human-readable equivalent of TYPE. FLAGS controls the
251 dump_type (tree t, int flags)
256 if (TYPE_PTRMEMFUNC_P (t))
259 switch (TREE_CODE (t))
262 pp_identifier (cxx_pp, "<unknown type>");
266 /* A list of function parms. */
267 dump_parameters (t, flags);
270 case IDENTIFIER_NODE:
271 pp_cxx_tree_identifier (cxx_pp, t);
275 dump_type (BINFO_TYPE (t), flags);
281 dump_aggr_type (t, flags);
285 if (flags & TFF_CHASE_TYPEDEF)
287 dump_type (DECL_ORIGINAL_TYPE (t)
288 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t), flags);
291 /* Else fall through. */
295 dump_decl (t, flags & ~TFF_DECL_SPECIFIERS);
304 pp_type_specifier_seq (cxx_pp, t);
307 case TEMPLATE_TEMPLATE_PARM:
308 /* For parameters inside template signature. */
309 if (TYPE_IDENTIFIER (t))
310 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
312 pp_cxx_canonical_template_parameter (cxx_pp, t);
315 case BOUND_TEMPLATE_TEMPLATE_PARM:
317 tree args = TYPE_TI_ARGS (t);
318 pp_cxx_cv_qualifier_seq (cxx_pp, t);
319 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
320 pp_cxx_begin_template_argument_list (cxx_pp);
321 dump_template_argument_list (args, flags);
322 pp_cxx_end_template_argument_list (cxx_pp);
326 case TEMPLATE_TYPE_PARM:
327 pp_cxx_cv_qualifier_seq (cxx_pp, t);
328 if (TYPE_IDENTIFIER (t))
329 pp_cxx_tree_identifier (cxx_pp, TYPE_IDENTIFIER (t));
331 pp_cxx_canonical_template_parameter
332 (cxx_pp, TEMPLATE_TYPE_PARM_INDEX (t));
335 /* This is not always necessary for pointers and such, but doing this
336 reduces code size. */
345 dump_type_prefix (t, flags);
346 dump_type_suffix (t, flags);
350 pp_cxx_cv_qualifier_seq (cxx_pp, t);
351 pp_cxx_identifier (cxx_pp,
352 TYPENAME_IS_ENUM_P (t) ? "enum"
353 : TYPENAME_IS_CLASS_P (t) ? "class"
355 dump_typename (t, flags);
358 case UNBOUND_CLASS_TEMPLATE:
359 dump_type (TYPE_CONTEXT (t), flags);
360 pp_cxx_colon_colon (cxx_pp);
361 pp_cxx_identifier (cxx_pp, "template");
362 dump_type (DECL_NAME (TYPE_NAME (t)), flags);
366 pp_cxx_identifier (cxx_pp, "__typeof__");
367 pp_cxx_whitespace (cxx_pp);
368 pp_cxx_left_paren (cxx_pp);
369 dump_expr (TYPEOF_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
370 pp_cxx_right_paren (cxx_pp);
374 pp_unsupported_tree (cxx_pp, t);
375 /* Fall through to error. */
378 pp_identifier (cxx_pp, "<type error>");
383 /* Dump a TYPENAME_TYPE. We need to notice when the context is itself
387 dump_typename (tree t, int flags)
389 tree ctx = TYPE_CONTEXT (t);
391 if (TREE_CODE (ctx) == TYPENAME_TYPE)
392 dump_typename (ctx, flags);
394 dump_type (ctx, flags & ~TFF_CLASS_KEY_OR_ENUM);
395 pp_cxx_colon_colon (cxx_pp);
396 dump_decl (TYPENAME_TYPE_FULLNAME (t), flags);
399 /* Return the name of the supplied aggregate, or enumeral type. */
402 class_key_or_enum_as_string (tree t)
404 if (TREE_CODE (t) == ENUMERAL_TYPE)
406 else if (TREE_CODE (t) == UNION_TYPE)
408 else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
414 /* Print out a class declaration T under the control of FLAGS,
415 in the form `class foo'. */
418 dump_aggr_type (tree t, int flags)
421 const char *variety = class_key_or_enum_as_string (t);
425 pp_cxx_cv_qualifier_seq (cxx_pp, t);
427 if (flags & TFF_CLASS_KEY_OR_ENUM)
428 pp_cxx_identifier (cxx_pp, variety);
430 if (flags & TFF_CHASE_TYPEDEF)
431 t = TYPE_MAIN_VARIANT (t);
433 name = TYPE_NAME (t);
437 typdef = !DECL_ARTIFICIAL (name);
438 tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
439 && TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
440 && (CLASSTYPE_TEMPLATE_SPECIALIZATION (t)
441 || TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
442 || DECL_TEMPLATE_SPECIALIZATION (CLASSTYPE_TI_TEMPLATE (t))
443 || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t)));
444 dump_scope (CP_DECL_CONTEXT (name), flags | TFF_SCOPE);
447 /* Because the template names are mangled, we have to locate
448 the most general template, and use that name. */
449 tree tpl = CLASSTYPE_TI_TEMPLATE (t);
451 while (DECL_TEMPLATE_INFO (tpl))
452 tpl = DECL_TI_TEMPLATE (tpl);
455 name = DECL_NAME (name);
458 if (name == 0 || ANON_AGGRNAME_P (name))
460 if (flags & TFF_CLASS_KEY_OR_ENUM)
461 pp_identifier (cxx_pp, "<anonymous>");
463 pp_printf (pp_base (cxx_pp), "<anonymous %s>", variety);
466 pp_cxx_tree_identifier (cxx_pp, name);
468 dump_template_parms (TYPE_TEMPLATE_INFO (t),
469 !CLASSTYPE_USE_TEMPLATE (t),
470 flags & ~TFF_TEMPLATE_HEADER);
473 /* Dump into the obstack the initial part of the output for a given type.
474 This is necessary when dealing with things like functions returning
477 return type of `int (* fee ())()': pointer -> function -> int. Both
478 pointer (and reference and offset) and function (and member) types must
479 deal with prefix and suffix.
481 Arrays must also do this for DECL nodes, like int a[], and for things like
485 dump_type_prefix (tree t, int flags)
487 if (TYPE_PTRMEMFUNC_P (t))
489 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
493 switch (TREE_CODE (t))
498 tree sub = TREE_TYPE (t);
500 dump_type_prefix (sub, flags);
501 if (TREE_CODE (sub) == ARRAY_TYPE)
503 pp_cxx_whitespace (cxx_pp);
504 pp_cxx_left_paren (cxx_pp);
506 pp_character (cxx_pp, "&*"[TREE_CODE (t) == POINTER_TYPE]);
507 pp_base (cxx_pp)->padding = pp_before;
508 pp_cxx_cv_qualifier_seq (cxx_pp, t);
514 dump_type_prefix (TREE_TYPE (t), flags);
515 if (TREE_CODE (t) == OFFSET_TYPE) /* pmfs deal with this in d_t_p */
517 pp_maybe_space (cxx_pp);
518 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
519 pp_cxx_left_paren (cxx_pp);
520 dump_type (TYPE_OFFSET_BASETYPE (t), flags);
521 pp_cxx_colon_colon (cxx_pp);
523 pp_cxx_star (cxx_pp);
524 pp_cxx_cv_qualifier_seq (cxx_pp, t);
525 pp_base (cxx_pp)->padding = pp_before;
528 /* Can only be reached through function pointer -- this would not be
529 correct if FUNCTION_DECLs used it. */
531 dump_type_prefix (TREE_TYPE (t), flags);
532 pp_maybe_space (cxx_pp);
533 pp_cxx_left_paren (cxx_pp);
537 dump_type_prefix (TREE_TYPE (t), flags);
538 pp_maybe_space (cxx_pp);
539 pp_cxx_left_paren (cxx_pp);
540 dump_aggr_type (TYPE_METHOD_BASETYPE (t), flags);
541 pp_cxx_colon_colon (cxx_pp);
545 dump_type_prefix (TREE_TYPE (t), flags);
549 case IDENTIFIER_NODE:
554 case TEMPLATE_TYPE_PARM:
555 case TEMPLATE_TEMPLATE_PARM:
556 case BOUND_TEMPLATE_TEMPLATE_PARM:
567 dump_type (t, flags);
568 pp_base (cxx_pp)->padding = pp_before;
572 pp_unsupported_tree (cxx_pp, t);
575 pp_identifier (cxx_pp, "<typeprefixerror>");
580 /* Dump the suffix of type T, under control of FLAGS. This is the part
581 which appears after the identifier (or function parms). */
584 dump_type_suffix (tree t, int flags)
586 if (TYPE_PTRMEMFUNC_P (t))
587 t = TYPE_PTRMEMFUNC_FN_TYPE (t);
589 switch (TREE_CODE (t))
594 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
595 pp_cxx_right_paren (cxx_pp);
596 dump_type_suffix (TREE_TYPE (t), flags);
599 /* Can only be reached through function pointer. */
604 pp_cxx_right_paren (cxx_pp);
605 arg = TYPE_ARG_TYPES (t);
606 if (TREE_CODE (t) == METHOD_TYPE)
607 arg = TREE_CHAIN (arg);
609 /* Function pointers don't have default args. Not in standard C++,
610 anyway; they may in g++, but we'll just pretend otherwise. */
611 dump_parameters (arg, flags & ~TFF_FUNCTION_DEFAULT_ARGUMENTS);
613 if (TREE_CODE (t) == METHOD_TYPE)
614 pp_cxx_cv_qualifier_seq
615 (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (t))));
616 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (t), flags);
617 dump_type_suffix (TREE_TYPE (t), flags);
622 pp_maybe_space (cxx_pp);
623 pp_cxx_left_bracket (cxx_pp);
626 if (host_integerp (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0))
628 (cxx_pp, tree_low_cst (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0) + 1);
629 else if (TREE_CODE (TYPE_MAX_VALUE (TYPE_DOMAIN (t))) == MINUS_EXPR)
630 dump_expr (TREE_OPERAND (TYPE_MAX_VALUE (TYPE_DOMAIN (t)), 0),
631 flags & ~TFF_EXPR_IN_PARENS);
633 dump_expr (fold (cp_build_binary_op
634 (PLUS_EXPR, TYPE_MAX_VALUE (TYPE_DOMAIN (t)),
636 flags & ~TFF_EXPR_IN_PARENS);
638 pp_cxx_right_bracket (cxx_pp);
639 dump_type_suffix (TREE_TYPE (t), flags);
643 case IDENTIFIER_NODE:
648 case TEMPLATE_TYPE_PARM:
649 case TEMPLATE_TEMPLATE_PARM:
650 case BOUND_TEMPLATE_TEMPLATE_PARM:
664 pp_unsupported_tree (cxx_pp, t);
666 /* Don't mark it here, we should have already done in
673 dump_global_iord (tree t)
675 const char *p = NULL;
677 if (DECL_GLOBAL_CTOR_P (t))
679 else if (DECL_GLOBAL_DTOR_P (t))
684 pp_printf (pp_base (cxx_pp), "(static %s for %s)", p, input_filename);
688 dump_simple_decl (tree t, tree type, int flags)
690 if (flags & TFF_DECL_SPECIFIERS)
692 dump_type_prefix (type, flags);
693 pp_maybe_space (cxx_pp);
695 if (!DECL_INITIAL (t) || TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX)
696 dump_scope (CP_DECL_CONTEXT (t), flags);
698 dump_decl (DECL_NAME (t), flags);
700 pp_identifier (cxx_pp, "<anonymous>");
701 if (flags & TFF_DECL_SPECIFIERS)
702 dump_type_suffix (type, flags);
705 /* Dump a human readable string for the decl T under control of FLAGS. */
708 dump_decl (tree t, int flags)
713 switch (TREE_CODE (t))
716 /* Don't say 'typedef class A' */
717 if (DECL_ARTIFICIAL (t))
719 if ((flags & TFF_DECL_SPECIFIERS)
720 && TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TYPE_PARM)
721 /* Say `class T' not just `T'. */
722 pp_cxx_identifier (cxx_pp, "class");
724 dump_type (TREE_TYPE (t), flags);
727 if (flags & TFF_DECL_SPECIFIERS)
728 pp_cxx_identifier (cxx_pp, "typedef");
729 dump_simple_decl (t, DECL_ORIGINAL_TYPE (t)
730 ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
735 if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
737 pp_string (cxx_pp, "vtable for ");
738 gcc_assert (TYPE_P (DECL_CONTEXT (t)));
739 dump_type (DECL_CONTEXT (t), flags);
742 /* Else fall through. */
746 dump_simple_decl (t, TREE_TYPE (t), flags);
750 pp_string (cxx_pp, "<return value> ");
751 dump_simple_decl (t, TREE_TYPE (t), flags);
755 if (flags & TFF_DECL_SPECIFIERS)
756 pp_cxx_declaration (cxx_pp, t);
759 dump_scope (CP_DECL_CONTEXT (t), flags);
760 if (DECL_NAME (t) == NULL_TREE)
761 pp_identifier (cxx_pp, "<unnamed>");
763 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
768 pp_expression (cxx_pp, t);
772 dump_decl (TREE_OPERAND (t, 0), flags);
773 pp_cxx_left_bracket (cxx_pp);
774 dump_decl (TREE_OPERAND (t, 1), flags);
775 pp_cxx_right_bracket (cxx_pp);
778 /* So that we can do dump_decl on an aggr type. */
782 dump_type (t, flags);
786 /* This is a pseudo destructor call which has not been folded into
787 a PSEUDO_DTOR_EXPR yet. */
788 pp_cxx_complement (cxx_pp);
789 dump_type (TREE_OPERAND (t, 0), flags);
796 /* These special cases are duplicated here so that other functions
797 can feed identifiers to error and get them demangled properly. */
798 case IDENTIFIER_NODE:
799 if (IDENTIFIER_TYPENAME_P (t))
801 pp_cxx_identifier (cxx_pp, "operator");
802 /* Not exactly IDENTIFIER_TYPE_VALUE. */
803 dump_type (TREE_TYPE (t), flags);
807 pp_cxx_tree_identifier (cxx_pp, t);
814 if (DECL_CLASS_SCOPE_P (t))
816 dump_type (DECL_CONTEXT (t), flags);
817 pp_cxx_colon_colon (cxx_pp);
819 else if (DECL_CONTEXT (t))
821 dump_decl (DECL_CONTEXT (t), flags);
822 pp_cxx_colon_colon (cxx_pp);
824 dump_decl (DECL_NAME (t), flags);
828 /* If there's only one function, just treat it like an ordinary
834 if (! DECL_LANG_SPECIFIC (t))
835 pp_identifier (cxx_pp, "<built-in>");
836 else if (DECL_GLOBAL_CTOR_P (t) || DECL_GLOBAL_DTOR_P (t))
837 dump_global_iord (t);
839 dump_function_decl (t, flags);
843 dump_template_decl (t, flags);
846 case TEMPLATE_ID_EXPR:
848 tree name = TREE_OPERAND (t, 0);
850 if (is_overloaded_fn (name))
851 name = DECL_NAME (get_first_fn (name));
852 dump_decl (name, flags);
853 pp_cxx_begin_template_argument_list (cxx_pp);
854 if (TREE_OPERAND (t, 1))
855 dump_template_argument_list (TREE_OPERAND (t, 1), flags);
856 pp_cxx_end_template_argument_list (cxx_pp);
861 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (t));
865 if ((TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == ENUMERAL_TYPE)
866 || (DECL_INITIAL (t) &&
867 TREE_CODE (DECL_INITIAL (t)) == TEMPLATE_PARM_INDEX))
868 dump_simple_decl (t, TREE_TYPE (t), flags);
869 else if (DECL_NAME (t))
870 dump_decl (DECL_NAME (t), flags);
871 else if (DECL_INITIAL (t))
872 dump_expr (DECL_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
874 pp_identifier (cxx_pp, "<enumerator>");
878 pp_cxx_identifier (cxx_pp, "using");
879 dump_type (DECL_INITIAL (t), flags);
880 pp_cxx_colon_colon (cxx_pp);
881 dump_decl (DECL_NAME (t), flags);
885 dump_decl (BASELINK_FUNCTIONS (t), flags);
888 case NON_DEPENDENT_EXPR:
889 dump_expr (t, flags);
892 case TEMPLATE_TYPE_PARM:
893 if (flags & TFF_DECL_SPECIFIERS)
894 pp_cxx_declaration (cxx_pp, t);
896 pp_type_id (cxx_pp, t);
900 pp_unsupported_tree (cxx_pp, t);
901 /* Fall through to error. */
904 pp_identifier (cxx_pp, "<declaration error>");
909 /* Dump a template declaration T under control of FLAGS. This means the
910 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
913 dump_template_decl (tree t, int flags)
915 tree orig_parms = DECL_TEMPLATE_PARMS (t);
919 if (flags & TFF_TEMPLATE_HEADER)
921 for (parms = orig_parms = nreverse (orig_parms);
923 parms = TREE_CHAIN (parms))
925 tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
926 int len = TREE_VEC_LENGTH (inner_parms);
928 pp_cxx_identifier (cxx_pp, "template");
929 pp_cxx_begin_template_argument_list (cxx_pp);
931 /* If we've shown the template prefix, we'd better show the
932 parameters' and decl's type too. */
933 flags |= TFF_DECL_SPECIFIERS;
935 for (i = 0; i < len; i++)
938 pp_separate_with_comma (cxx_pp);
939 dump_template_parameter (TREE_VEC_ELT (inner_parms, i), flags);
941 pp_cxx_end_template_argument_list (cxx_pp);
942 pp_cxx_whitespace (cxx_pp);
944 nreverse(orig_parms);
946 if (DECL_TEMPLATE_TEMPLATE_PARM_P (t))
947 /* Say `template<arg> class TT' not just `template<arg> TT'. */
948 pp_cxx_identifier (cxx_pp, "class");
951 if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == TYPE_DECL)
952 dump_type (TREE_TYPE (t),
953 ((flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
954 | (flags & TFF_DECL_SPECIFIERS ? TFF_CLASS_KEY_OR_ENUM : 0)));
955 else if (TREE_CODE (DECL_TEMPLATE_RESULT (t)) == VAR_DECL)
956 dump_decl (DECL_TEMPLATE_RESULT (t), flags | TFF_TEMPLATE_NAME);
959 gcc_assert (TREE_TYPE (t));
960 switch (NEXT_CODE (t))
964 dump_function_decl (t, flags | TFF_TEMPLATE_NAME);
967 /* This case can occur with some invalid code. */
968 dump_type (TREE_TYPE (t),
969 (flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
970 | (flags & TFF_DECL_SPECIFIERS
971 ? TFF_CLASS_KEY_OR_ENUM : 0));
976 /* Pretty print a function decl. There are several ways we want to print a
977 function declaration. The TFF_ bits in FLAGS tells us how to behave.
978 As error can only apply the '#' flag once to give 0 and 1 for V, there
979 is %D which doesn't print the throw specs, and %F which does. */
982 dump_function_decl (tree t, int flags)
986 tree cname = NULL_TREE;
987 tree template_args = NULL_TREE;
988 tree template_parms = NULL_TREE;
989 int show_return = flags & TFF_RETURN_TYPE || flags & TFF_DECL_SPECIFIERS;
991 if (TREE_CODE (t) == TEMPLATE_DECL)
992 t = DECL_TEMPLATE_RESULT (t);
994 /* Pretty print template instantiations only. */
995 if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t))
999 template_args = DECL_TI_ARGS (t);
1000 tmpl = most_general_template (t);
1001 if (tmpl && TREE_CODE (tmpl) == TEMPLATE_DECL)
1003 template_parms = DECL_TEMPLATE_PARMS (tmpl);
1008 fntype = TREE_TYPE (t);
1009 parmtypes = FUNCTION_FIRST_USER_PARMTYPE (t);
1011 if (DECL_CLASS_SCOPE_P (t))
1012 cname = DECL_CONTEXT (t);
1013 /* This is for partially instantiated template methods. */
1014 else if (TREE_CODE (fntype) == METHOD_TYPE)
1015 cname = TREE_TYPE (TREE_VALUE (parmtypes));
1017 if (!(flags & TFF_DECL_SPECIFIERS))
1019 else if (DECL_STATIC_FUNCTION_P (t))
1020 pp_cxx_identifier (cxx_pp, "static");
1021 else if (DECL_VIRTUAL_P (t))
1022 pp_cxx_identifier (cxx_pp, "virtual");
1024 /* Print the return type? */
1026 show_return = !DECL_CONV_FN_P (t) && !DECL_CONSTRUCTOR_P (t)
1027 && !DECL_DESTRUCTOR_P (t);
1029 dump_type_prefix (TREE_TYPE (fntype), flags);
1031 /* Print the function name. */
1034 dump_type (cname, flags);
1035 pp_cxx_colon_colon (cxx_pp);
1038 dump_scope (CP_DECL_CONTEXT (t), flags);
1040 dump_function_name (t, flags);
1042 if (!(flags & TFF_NO_FUNCTION_ARGUMENTS))
1044 dump_parameters (parmtypes, flags);
1046 if (TREE_CODE (fntype) == METHOD_TYPE)
1048 pp_base (cxx_pp)->padding = pp_before;
1049 pp_cxx_cv_qualifier_seq
1050 (cxx_pp, TREE_TYPE (TREE_VALUE (TYPE_ARG_TYPES (fntype))));
1053 if (flags & TFF_EXCEPTION_SPECIFICATION)
1055 pp_base (cxx_pp)->padding = pp_before;
1056 dump_exception_spec (TYPE_RAISES_EXCEPTIONS (fntype), flags);
1060 dump_type_suffix (TREE_TYPE (fntype), flags);
1063 /* If T is a template instantiation, dump the parameter binding. */
1064 if (template_parms != NULL_TREE && template_args != NULL_TREE)
1066 pp_cxx_whitespace (cxx_pp);
1067 pp_cxx_left_bracket (cxx_pp);
1068 pp_cxx_identifier (cxx_pp, "with");
1069 pp_cxx_whitespace (cxx_pp);
1070 dump_template_bindings (template_parms, template_args);
1071 pp_cxx_right_bracket (cxx_pp);
1075 /* Print a parameter list. If this is for a member function, the
1076 member object ptr (and any other hidden args) should have
1077 already been removed. */
1080 dump_parameters (tree parmtypes, int flags)
1084 pp_cxx_left_paren (cxx_pp);
1086 for (first = 1; parmtypes != void_list_node;
1087 parmtypes = TREE_CHAIN (parmtypes))
1090 pp_separate_with_comma (cxx_pp);
1094 pp_cxx_identifier (cxx_pp, "...");
1097 dump_type (TREE_VALUE (parmtypes), flags);
1099 if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && TREE_PURPOSE (parmtypes))
1101 pp_cxx_whitespace (cxx_pp);
1103 pp_cxx_whitespace (cxx_pp);
1104 dump_expr (TREE_PURPOSE (parmtypes), flags | TFF_EXPR_IN_PARENS);
1108 pp_cxx_right_paren (cxx_pp);
1111 /* Print an exception specification. T is the exception specification. */
1114 dump_exception_spec (tree t, int flags)
1118 pp_cxx_identifier (cxx_pp, "throw");
1119 pp_cxx_whitespace (cxx_pp);
1120 pp_cxx_left_paren (cxx_pp);
1121 if (TREE_VALUE (t) != NULL_TREE)
1124 dump_type (TREE_VALUE (t), flags);
1128 pp_separate_with_comma (cxx_pp);
1130 pp_cxx_right_paren (cxx_pp);
1134 /* Handle the function name for a FUNCTION_DECL node, grokking operators
1135 and destructors properly. */
1138 dump_function_name (tree t, int flags)
1140 tree name = DECL_NAME (t);
1142 /* We can get here with a decl that was synthesized by language-
1143 independent machinery (e.g. coverage.c) in which case it won't
1144 have a lang_specific structure attached and DECL_CONSTRUCTOR_P
1145 will crash. In this case it is safe just to print out the
1147 if (!DECL_LANG_SPECIFIC (t))
1149 pp_cxx_tree_identifier (cxx_pp, name);
1153 if (TREE_CODE (t) == TEMPLATE_DECL)
1154 t = DECL_TEMPLATE_RESULT (t);
1156 /* Don't let the user see __comp_ctor et al. */
1157 if (DECL_CONSTRUCTOR_P (t)
1158 || DECL_DESTRUCTOR_P (t))
1159 name = constructor_name (DECL_CONTEXT (t));
1161 if (DECL_DESTRUCTOR_P (t))
1163 pp_cxx_complement (cxx_pp);
1164 dump_decl (name, TFF_PLAIN_IDENTIFIER);
1166 else if (DECL_CONV_FN_P (t))
1168 /* This cannot use the hack that the operator's return
1169 type is stashed off of its name because it may be
1170 used for error reporting. In the case of conflicting
1171 declarations, both will have the same name, yet
1172 the types will be different, hence the TREE_TYPE field
1173 of the first name will be clobbered by the second. */
1174 pp_cxx_identifier (cxx_pp, "operator");
1175 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1177 else if (IDENTIFIER_OPNAME_P (name))
1178 pp_cxx_tree_identifier (cxx_pp, name);
1180 dump_decl (name, flags);
1182 if (DECL_TEMPLATE_INFO (t)
1183 && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)
1184 && (DECL_TEMPLATE_SPECIALIZATION (t)
1185 || TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL
1186 || DECL_TEMPLATE_SPECIALIZATION (DECL_TI_TEMPLATE (t))
1187 || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t))))
1188 dump_template_parms (DECL_TEMPLATE_INFO (t), !DECL_USE_TEMPLATE (t), flags);
1191 /* Dump the template parameters from the template info INFO under control of
1192 FLAGS. PRIMARY indicates whether this is a primary template decl, or
1193 specialization (partial or complete). For partial specializations we show
1194 the specialized parameter values. For a primary template we show no
1198 dump_template_parms (tree info, int primary, int flags)
1200 tree args = info ? TI_ARGS (info) : NULL_TREE;
1202 if (primary && flags & TFF_TEMPLATE_NAME)
1204 flags &= ~(TFF_CLASS_KEY_OR_ENUM | TFF_TEMPLATE_NAME);
1205 pp_cxx_begin_template_argument_list (cxx_pp);
1207 /* Be careful only to print things when we have them, so as not
1208 to crash producing error messages. */
1209 if (args && !primary)
1213 if (TMPL_ARGS_HAVE_MULTIPLE_LEVELS (args))
1214 args = TREE_VEC_ELT (args, TREE_VEC_LENGTH (args) - 1);
1216 len = TREE_VEC_LENGTH (args);
1218 for (ix = 0; ix != len; ix++)
1220 tree arg = TREE_VEC_ELT (args, ix);
1223 pp_separate_with_comma (cxx_pp);
1226 pp_identifier (cxx_pp, "<template parameter error>");
1228 dump_template_argument (arg, flags);
1233 tree tpl = TI_TEMPLATE (info);
1234 tree parms = DECL_TEMPLATE_PARMS (tpl);
1237 parms = TREE_CODE (parms) == TREE_LIST ? TREE_VALUE (parms) : NULL_TREE;
1238 len = parms ? TREE_VEC_LENGTH (parms) : 0;
1240 for (ix = 0; ix != len; ix++)
1242 tree parm = TREE_VALUE (TREE_VEC_ELT (parms, ix));
1245 pp_separate_with_comma (cxx_pp);
1247 dump_decl (parm, flags & ~TFF_DECL_SPECIFIERS);
1250 pp_cxx_end_template_argument_list (cxx_pp);
1253 /* Print out a list of initializers (subr of dump_expr). */
1256 dump_expr_list (tree l, int flags)
1260 dump_expr (TREE_VALUE (l), flags | TFF_EXPR_IN_PARENS);
1263 pp_separate_with_comma (cxx_pp);
1267 /* Print out an expression E under control of FLAGS. */
1270 dump_expr (tree t, int flags)
1275 switch (TREE_CODE (t))
1283 case NAMESPACE_DECL:
1285 case IDENTIFIER_NODE:
1286 dump_decl (t, (flags & ~TFF_DECL_SPECIFIERS) | TFF_NO_FUNCTION_ARGUMENTS);
1290 if (PAREN_STRING_LITERAL_P (t))
1291 pp_cxx_left_paren (cxx_pp);
1292 pp_c_constant (pp_c_base (cxx_pp), t);
1293 if (PAREN_STRING_LITERAL_P (t))
1294 pp_cxx_right_paren (cxx_pp);
1299 pp_c_constant (pp_c_base (cxx_pp), t);
1303 pp_cxx_identifier (cxx_pp, "throw");
1304 dump_expr (TREE_OPERAND (t, 0), flags);
1308 pp_ampersand (cxx_pp);
1309 dump_type (PTRMEM_CST_CLASS (t), flags);
1310 pp_cxx_colon_colon (cxx_pp);
1311 pp_cxx_tree_identifier (cxx_pp, DECL_NAME (PTRMEM_CST_MEMBER (t)));
1315 pp_cxx_left_paren (cxx_pp);
1316 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1317 pp_separate_with_comma (cxx_pp);
1318 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1319 pp_cxx_right_paren (cxx_pp);
1323 pp_cxx_left_paren (cxx_pp);
1324 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1325 pp_string (cxx_pp, " ? ");
1326 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1327 pp_string (cxx_pp, " : ");
1328 dump_expr (TREE_OPERAND (t, 2), flags | TFF_EXPR_IN_PARENS);
1329 pp_cxx_right_paren (cxx_pp);
1333 if (TREE_HAS_CONSTRUCTOR (t))
1335 pp_cxx_identifier (cxx_pp, "new");
1336 pp_cxx_whitespace (cxx_pp);
1337 dump_type (TREE_TYPE (TREE_TYPE (t)), flags);
1340 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1343 case AGGR_INIT_EXPR:
1345 tree fn = NULL_TREE;
1347 if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR)
1348 fn = TREE_OPERAND (TREE_OPERAND (t, 0), 0);
1350 if (fn && TREE_CODE (fn) == FUNCTION_DECL)
1352 if (DECL_CONSTRUCTOR_P (fn))
1353 dump_type (DECL_CONTEXT (fn), flags);
1358 dump_expr (TREE_OPERAND (t, 0), 0);
1360 pp_cxx_left_paren (cxx_pp);
1361 if (TREE_OPERAND (t, 1))
1362 dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
1363 pp_cxx_right_paren (cxx_pp);
1368 tree fn = TREE_OPERAND (t, 0);
1369 tree args = TREE_OPERAND (t, 1);
1371 if (TREE_CODE (fn) == ADDR_EXPR)
1372 fn = TREE_OPERAND (fn, 0);
1374 if (TREE_TYPE (fn) != NULL_TREE && NEXT_CODE (fn) == METHOD_TYPE)
1376 tree ob = TREE_VALUE (args);
1377 if (TREE_CODE (ob) == ADDR_EXPR)
1379 dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
1382 else if (TREE_CODE (ob) != PARM_DECL
1383 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
1385 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1388 args = TREE_CHAIN (args);
1390 dump_expr (fn, flags | TFF_EXPR_IN_PARENS);
1391 pp_cxx_left_paren (cxx_pp);
1392 dump_expr_list (args, flags);
1393 pp_cxx_right_paren (cxx_pp);
1399 tree type = TREE_OPERAND (t, 1);
1400 tree init = TREE_OPERAND (t, 2);
1401 if (NEW_EXPR_USE_GLOBAL (t))
1402 pp_cxx_colon_colon (cxx_pp);
1403 pp_cxx_identifier (cxx_pp, "new");
1404 if (TREE_OPERAND (t, 0))
1406 pp_cxx_left_paren (cxx_pp);
1407 dump_expr_list (TREE_OPERAND (t, 0), flags);
1408 pp_cxx_right_paren (cxx_pp);
1409 pp_cxx_whitespace (cxx_pp);
1411 if (TREE_CODE (type) == ARRAY_REF)
1412 type = build_cplus_array_type
1413 (TREE_OPERAND (type, 0),
1414 build_index_type (fold (build2 (MINUS_EXPR, integer_type_node,
1415 TREE_OPERAND (type, 1),
1416 integer_one_node))));
1417 dump_type (type, flags);
1420 pp_cxx_left_paren (cxx_pp);
1421 if (TREE_CODE (init) == TREE_LIST)
1422 dump_expr_list (init, flags);
1423 else if (init == void_zero_node)
1424 /* This representation indicates an empty initializer,
1425 e.g.: "new int()". */
1428 dump_expr (init, flags);
1429 pp_cxx_right_paren (cxx_pp);
1435 /* Note that this only works for G++ target exprs. If somebody
1436 builds a general TARGET_EXPR, there's no way to represent that
1437 it initializes anything other that the parameter slot for the
1438 default argument. Note we may have cleared out the first
1439 operand in expand_expr, so don't go killing ourselves. */
1440 if (TREE_OPERAND (t, 1))
1441 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1449 case TRUNC_DIV_EXPR:
1450 case TRUNC_MOD_EXPR:
1458 case TRUTH_ANDIF_EXPR:
1459 case TRUTH_ORIF_EXPR:
1466 case EXACT_DIV_EXPR:
1467 dump_binary_op (operator_name_info[(int) TREE_CODE (t)].name, t, flags);
1471 case FLOOR_DIV_EXPR:
1472 case ROUND_DIV_EXPR:
1474 dump_binary_op ("/", t, flags);
1478 case FLOOR_MOD_EXPR:
1479 case ROUND_MOD_EXPR:
1480 dump_binary_op ("%", t, flags);
1485 tree ob = TREE_OPERAND (t, 0);
1486 if (TREE_CODE (ob) == INDIRECT_REF)
1488 ob = TREE_OPERAND (ob, 0);
1489 if (TREE_CODE (ob) != PARM_DECL
1490 || strcmp (IDENTIFIER_POINTER (DECL_NAME (ob)), "this"))
1492 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1493 pp_cxx_arrow (cxx_pp);
1498 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1499 pp_cxx_dot (cxx_pp);
1501 dump_expr (TREE_OPERAND (t, 1), flags & ~TFF_EXPR_IN_PARENS);
1506 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1507 pp_cxx_left_bracket (cxx_pp);
1508 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1509 pp_cxx_right_bracket (cxx_pp);
1513 if (TREE_TYPE (t) && VOID_TYPE_P (TREE_TYPE (t)))
1515 pp_cxx_left_paren (cxx_pp);
1516 dump_type (TREE_TYPE (t), flags);
1517 pp_cxx_right_paren (cxx_pp);
1518 dump_expr (TREE_OPERAND (t, 0), flags);
1521 dump_unary_op ("+", t, flags);
1525 if (TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL
1526 || TREE_CODE (TREE_OPERAND (t, 0)) == STRING_CST
1527 /* An ADDR_EXPR can have reference type. In that case, we
1528 shouldn't print the `&' doing so indicates to the user
1529 that the expression has pointer type. */
1531 && TREE_CODE (TREE_TYPE (t)) == REFERENCE_TYPE))
1532 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1534 dump_unary_op ("&", t, flags);
1538 if (TREE_HAS_CONSTRUCTOR (t))
1540 t = TREE_OPERAND (t, 0);
1541 gcc_assert (TREE_CODE (t) == CALL_EXPR);
1542 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1543 pp_cxx_left_paren (cxx_pp);
1544 dump_expr_list (TREE_CHAIN (TREE_OPERAND (t, 1)), flags);
1545 pp_cxx_right_paren (cxx_pp);
1549 if (TREE_OPERAND (t,0) != NULL_TREE
1550 && TREE_TYPE (TREE_OPERAND (t, 0))
1551 && NEXT_CODE (TREE_OPERAND (t, 0)) == REFERENCE_TYPE)
1552 dump_expr (TREE_OPERAND (t, 0), flags);
1554 dump_unary_op ("*", t, flags);
1560 case TRUTH_NOT_EXPR:
1561 case PREDECREMENT_EXPR:
1562 case PREINCREMENT_EXPR:
1563 dump_unary_op (operator_name_info [(int)TREE_CODE (t)].name, t, flags);
1566 case POSTDECREMENT_EXPR:
1567 case POSTINCREMENT_EXPR:
1568 pp_cxx_left_paren (cxx_pp);
1569 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1570 pp_cxx_identifier (cxx_pp, operator_name_info[(int)TREE_CODE (t)].name);
1571 pp_cxx_right_paren (cxx_pp);
1574 case NON_LVALUE_EXPR:
1575 /* FIXME: This is a KLUDGE workaround for a parsing problem. There
1576 should be another level of INDIRECT_REF so that I don't have to do
1578 if (TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == POINTER_TYPE)
1580 tree next = TREE_TYPE (TREE_TYPE (t));
1582 while (TREE_CODE (next) == POINTER_TYPE)
1583 next = TREE_TYPE (next);
1585 if (TREE_CODE (next) == FUNCTION_TYPE)
1587 if (flags & TFF_EXPR_IN_PARENS)
1588 pp_cxx_left_paren (cxx_pp);
1589 pp_cxx_star (cxx_pp);
1590 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
1591 if (flags & TFF_EXPR_IN_PARENS)
1592 pp_cxx_right_paren (cxx_pp);
1595 /* Else fall through. */
1597 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1602 tree op = TREE_OPERAND (t, 0);
1604 if (!same_type_p (TREE_TYPE (op), TREE_TYPE (t)))
1606 /* It is a cast, but we cannot tell whether it is a
1607 reinterpret or static cast. Use the C style notation. */
1608 if (flags & TFF_EXPR_IN_PARENS)
1609 pp_cxx_left_paren (cxx_pp);
1610 pp_cxx_left_paren (cxx_pp);
1611 dump_type (TREE_TYPE (t), flags);
1612 pp_cxx_right_paren (cxx_pp);
1613 dump_expr (op, flags | TFF_EXPR_IN_PARENS);
1614 if (flags & TFF_EXPR_IN_PARENS)
1615 pp_cxx_right_paren (cxx_pp);
1618 dump_expr (op, flags);
1623 if (TREE_TYPE (t) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
1625 tree idx = build_ptrmemfunc_access_expr (t, pfn_identifier);
1627 if (integer_zerop (idx))
1629 /* A NULL pointer-to-member constant. */
1630 pp_cxx_left_paren (cxx_pp);
1631 pp_cxx_left_paren (cxx_pp);
1632 dump_type (TREE_TYPE (t), flags);
1633 pp_cxx_right_paren (cxx_pp);
1634 pp_character (cxx_pp, '0');
1635 pp_cxx_right_paren (cxx_pp);
1638 else if (host_integerp (idx, 0))
1641 unsigned HOST_WIDE_INT n;
1643 t = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t)));
1644 t = TYPE_METHOD_BASETYPE (t);
1645 virtuals = BINFO_VIRTUALS (TYPE_BINFO (TYPE_MAIN_VARIANT (t)));
1647 n = tree_low_cst (idx, 0);
1649 /* Map vtable index back one, to allow for the null pointer to
1653 while (n > 0 && virtuals)
1656 virtuals = TREE_CHAIN (virtuals);
1660 dump_expr (BV_FN (virtuals),
1661 flags | TFF_EXPR_IN_PARENS);
1666 if (TREE_TYPE (t) && !CONSTRUCTOR_ELTS (t))
1668 dump_type (TREE_TYPE (t), 0);
1669 pp_cxx_left_paren (cxx_pp);
1670 pp_cxx_right_paren (cxx_pp);
1674 pp_cxx_left_brace (cxx_pp);
1675 dump_expr_list (CONSTRUCTOR_ELTS (t), flags);
1676 pp_cxx_right_brace (cxx_pp);
1683 tree ob = TREE_OPERAND (t, 0);
1684 if (is_dummy_object (ob))
1686 t = TREE_OPERAND (t, 1);
1687 if (TREE_CODE (t) == FUNCTION_DECL)
1689 dump_expr (t, flags | TFF_EXPR_IN_PARENS);
1690 else if (BASELINK_P (t))
1691 dump_expr (OVL_CURRENT (BASELINK_FUNCTIONS (t)),
1692 flags | TFF_EXPR_IN_PARENS);
1694 dump_decl (t, flags);
1698 if (TREE_CODE (ob) == INDIRECT_REF)
1700 dump_expr (TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
1701 pp_cxx_arrow (cxx_pp);
1702 pp_cxx_star (cxx_pp);
1706 dump_expr (ob, flags | TFF_EXPR_IN_PARENS);
1707 pp_cxx_dot (cxx_pp);
1708 pp_cxx_star (cxx_pp);
1710 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1715 case TEMPLATE_PARM_INDEX:
1716 dump_decl (TEMPLATE_PARM_DECL (t), flags & ~TFF_DECL_SPECIFIERS);
1720 pp_expression (cxx_pp, t);
1724 if (TREE_OPERAND (t, 0) == NULL_TREE
1725 || TREE_CHAIN (TREE_OPERAND (t, 0)))
1727 dump_type (TREE_TYPE (t), flags);
1728 pp_cxx_left_paren (cxx_pp);
1729 dump_expr_list (TREE_OPERAND (t, 0), flags);
1730 pp_cxx_right_paren (cxx_pp);
1734 pp_cxx_left_paren (cxx_pp);
1735 dump_type (TREE_TYPE (t), flags);
1736 pp_cxx_right_paren (cxx_pp);
1737 pp_cxx_left_paren (cxx_pp);
1738 dump_expr_list (TREE_OPERAND (t, 0), flags);
1739 pp_cxx_right_paren (cxx_pp);
1743 case STATIC_CAST_EXPR:
1744 pp_cxx_identifier (cxx_pp, "static_cast");
1746 case REINTERPRET_CAST_EXPR:
1747 pp_cxx_identifier (cxx_pp, "reinterpret_cast");
1749 case CONST_CAST_EXPR:
1750 pp_cxx_identifier (cxx_pp, "const_cast");
1752 case DYNAMIC_CAST_EXPR:
1753 pp_cxx_identifier (cxx_pp, "dynamic_cast");
1755 pp_cxx_begin_template_argument_list (cxx_pp);
1756 dump_type (TREE_TYPE (t), flags);
1757 pp_cxx_end_template_argument_list (cxx_pp);
1758 pp_cxx_left_paren (cxx_pp);
1759 dump_expr (TREE_OPERAND (t, 0), flags);
1760 pp_cxx_right_paren (cxx_pp);
1764 dump_expr (TREE_OPERAND (t, 0), flags);
1765 pp_cxx_arrow (cxx_pp);
1770 if (TREE_CODE (t) == SIZEOF_EXPR)
1771 pp_cxx_identifier (cxx_pp, "sizeof");
1774 gcc_assert (TREE_CODE (t) == ALIGNOF_EXPR);
1775 pp_cxx_identifier (cxx_pp, "__alignof__");
1777 pp_cxx_whitespace (cxx_pp);
1778 pp_cxx_left_paren (cxx_pp);
1779 if (TYPE_P (TREE_OPERAND (t, 0)))
1780 dump_type (TREE_OPERAND (t, 0), flags);
1782 dump_expr (TREE_OPERAND (t, 0), flags);
1783 pp_cxx_right_paren (cxx_pp);
1788 pp_cxx_identifier (cxx_pp, operator_name_info[TREE_CODE (t)].name);
1789 pp_cxx_whitespace (cxx_pp);
1790 dump_expr (TREE_OPERAND (t, 0), flags);
1794 pp_identifier (cxx_pp, "<unparsed>");
1797 case TRY_CATCH_EXPR:
1798 case WITH_CLEANUP_EXPR:
1799 case CLEANUP_POINT_EXPR:
1800 dump_expr (TREE_OPERAND (t, 0), flags);
1803 case PSEUDO_DTOR_EXPR:
1804 dump_expr (TREE_OPERAND (t, 2), flags);
1805 pp_cxx_dot (cxx_pp);
1806 dump_type (TREE_OPERAND (t, 0), flags);
1807 pp_cxx_colon_colon (cxx_pp);
1808 pp_cxx_complement (cxx_pp);
1809 dump_type (TREE_OPERAND (t, 1), flags);
1812 case TEMPLATE_ID_EXPR:
1813 dump_decl (t, flags);
1817 /* We don't yet have a way of dumping statements in a
1818 human-readable format. */
1819 pp_string (cxx_pp, "({...})");
1823 pp_cxx_left_brace (cxx_pp);
1824 dump_expr (TREE_OPERAND (t, 1), flags & ~TFF_EXPR_IN_PARENS);
1825 pp_cxx_right_brace (cxx_pp);
1829 pp_string (cxx_pp, "while (1) { ");
1830 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
1831 pp_cxx_right_brace (cxx_pp);
1835 pp_string (cxx_pp, "if (");
1836 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
1837 pp_string (cxx_pp, ") break; ");
1841 dump_expr (get_first_fn (t), flags & ~TFF_EXPR_IN_PARENS);
1844 case EMPTY_CLASS_EXPR:
1845 dump_type (TREE_TYPE (t), flags);
1846 pp_cxx_left_paren (cxx_pp);
1847 pp_cxx_right_paren (cxx_pp);
1850 case NON_DEPENDENT_EXPR:
1851 dump_expr (TREE_OPERAND (t, 0), flags);
1854 /* This list is incomplete, but should suffice for now.
1855 It is very important that `sorry' does not call
1856 `report_error_function'. That could cause an infinite loop. */
1858 pp_unsupported_tree (cxx_pp, t);
1859 /* fall through to ERROR_MARK... */
1861 pp_identifier (cxx_pp, "<expression error>");
1867 dump_binary_op (const char *opstring, tree t, int flags)
1869 pp_cxx_left_paren (cxx_pp);
1870 dump_expr (TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
1871 pp_cxx_whitespace (cxx_pp);
1873 pp_cxx_identifier (cxx_pp, opstring);
1875 pp_identifier (cxx_pp, "<unknown operator>");
1876 pp_cxx_whitespace (cxx_pp);
1877 dump_expr (TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
1878 pp_cxx_right_paren (cxx_pp);
1882 dump_unary_op (const char *opstring, tree t, int flags)
1884 if (flags & TFF_EXPR_IN_PARENS)
1885 pp_cxx_left_paren (cxx_pp);
1886 pp_cxx_identifier (cxx_pp, opstring);
1887 dump_expr (TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
1888 if (flags & TFF_EXPR_IN_PARENS)
1889 pp_cxx_right_paren (cxx_pp);
1893 reinit_cxx_pp (void)
1895 pp_clear_output_area (cxx_pp);
1896 pp_base (cxx_pp)->padding = pp_none;
1897 pp_indentation (cxx_pp) = 0;
1898 pp_needs_newline (cxx_pp) = false;
1899 cxx_pp->enclosing_scope = 0;
1903 /* Exported interface to stringifying types, exprs and decls under TFF_*
1907 type_as_string (tree typ, int flags)
1910 dump_type (typ, flags);
1911 return pp_formatted_text (cxx_pp);
1915 expr_as_string (tree decl, int flags)
1918 dump_expr (decl, flags);
1919 return pp_formatted_text (cxx_pp);
1923 decl_as_string (tree decl, int flags)
1926 dump_decl (decl, flags);
1927 return pp_formatted_text (cxx_pp);
1930 /* Generate the three forms of printable names for cxx_printable_name. */
1933 lang_decl_name (tree decl, int v)
1936 return decl_as_string (decl, TFF_DECL_SPECIFIERS);
1939 if (v == 1 && DECL_CLASS_SCOPE_P (decl))
1941 dump_type (CP_DECL_CONTEXT (decl), TFF_PLAIN_IDENTIFIER);
1942 pp_cxx_colon_colon (cxx_pp);
1945 if (TREE_CODE (decl) == FUNCTION_DECL)
1946 dump_function_name (decl, TFF_PLAIN_IDENTIFIER);
1948 dump_decl (DECL_NAME (decl), TFF_PLAIN_IDENTIFIER);
1950 return pp_formatted_text (cxx_pp);
1954 location_of (tree t)
1956 if (TREE_CODE (t) == PARM_DECL && DECL_CONTEXT (t))
1957 t = DECL_CONTEXT (t);
1958 else if (TYPE_P (t))
1959 t = TYPE_MAIN_DECL (t);
1960 else if (TREE_CODE (t) == OVERLOAD)
1961 t = OVL_FUNCTION (t);
1963 return DECL_SOURCE_LOCATION (t);
1966 /* Now the interfaces from error et al to dump_type et al. Each takes an
1967 on/off VERBOSE flag and supply the appropriate TFF_ flags to a dump_
1971 decl_to_string (tree decl, int verbose)
1975 if (TREE_CODE (decl) == TYPE_DECL || TREE_CODE (decl) == RECORD_TYPE
1976 || TREE_CODE (decl) == UNION_TYPE || TREE_CODE (decl) == ENUMERAL_TYPE)
1977 flags = TFF_CLASS_KEY_OR_ENUM;
1979 flags |= TFF_DECL_SPECIFIERS;
1980 else if (TREE_CODE (decl) == FUNCTION_DECL)
1981 flags |= TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE;
1982 flags |= TFF_TEMPLATE_HEADER;
1985 dump_decl (decl, flags);
1986 return pp_formatted_text (cxx_pp);
1990 expr_to_string (tree decl)
1993 dump_expr (decl, 0);
1994 return pp_formatted_text (cxx_pp);
1998 fndecl_to_string (tree fndecl, int verbose)
2002 flags = TFF_EXCEPTION_SPECIFICATION | TFF_DECL_SPECIFIERS;
2004 flags |= TFF_FUNCTION_DEFAULT_ARGUMENTS;
2006 dump_decl (fndecl, flags);
2007 return pp_formatted_text (cxx_pp);
2012 code_to_string (enum tree_code c)
2014 return tree_code_name [c];
2018 language_to_string (enum languages c)
2025 case lang_cplusplus:
2037 /* Return the proper printed version of a parameter to a C++ function. */
2040 parm_to_string (int p)
2044 pp_string (cxx_pp, "'this'");
2046 pp_decimal_int (cxx_pp, p + 1);
2047 return pp_formatted_text (cxx_pp);
2051 op_to_string (enum tree_code p)
2053 tree id = operator_name_info[(int) p].identifier;
2054 return id ? IDENTIFIER_POINTER (id) : "<unknown>";
2058 type_to_string (tree typ, int verbose)
2062 flags |= TFF_CLASS_KEY_OR_ENUM;
2063 flags |= TFF_TEMPLATE_HEADER;
2066 dump_type (typ, flags);
2067 return pp_formatted_text (cxx_pp);
2071 assop_to_string (enum tree_code p)
2073 tree id = assignment_operator_name_info[(int) p].identifier;
2074 return id ? IDENTIFIER_POINTER (id) : "{unknown}";
2078 args_to_string (tree p, int verbose)
2082 flags |= TFF_CLASS_KEY_OR_ENUM;
2087 if (TYPE_P (TREE_VALUE (p)))
2088 return type_as_string (p, flags);
2091 for (; p; p = TREE_CHAIN (p))
2093 if (TREE_VALUE (p) == null_node)
2094 pp_cxx_identifier (cxx_pp, "NULL");
2096 dump_type (error_type (TREE_VALUE (p)), flags);
2098 pp_separate_with_comma (cxx_pp);
2100 return pp_formatted_text (cxx_pp);
2104 cv_to_string (tree p, int v)
2107 pp_base (cxx_pp)->padding = v ? pp_before : pp_none;
2108 pp_cxx_cv_qualifier_seq (cxx_pp, p);
2109 return pp_formatted_text (cxx_pp);
2112 /* Langhook for print_error_function. */
2114 cxx_print_error_function (diagnostic_context *context, const char *file)
2116 lhd_print_error_function (context, file);
2117 pp_base_set_prefix (context->printer, file);
2118 maybe_print_instantiation_context (context);
2122 cp_diagnostic_starter (diagnostic_context *context,
2123 diagnostic_info *diagnostic)
2125 diagnostic_report_current_module (context);
2126 cp_print_error_function (context, diagnostic);
2127 maybe_print_instantiation_context (context);
2128 pp_base_set_prefix (context->printer, diagnostic_build_prefix (diagnostic));
2132 cp_diagnostic_finalizer (diagnostic_context *context,
2133 diagnostic_info *diagnostic ATTRIBUTE_UNUSED)
2135 pp_base_destroy_prefix (context->printer);
2138 /* Print current function onto BUFFER, in the process of reporting
2139 a diagnostic message. Called from cp_diagnostic_starter. */
2141 cp_print_error_function (diagnostic_context *context,
2142 diagnostic_info *diagnostic)
2144 if (diagnostic_last_function_changed (context))
2146 const char *old_prefix = context->printer->prefix;
2147 const char *file = LOCATION_FILE (diagnostic->location);
2148 char *new_prefix = file ? file_name_as_prefix (file) : NULL;
2150 pp_base_set_prefix (context->printer, new_prefix);
2152 if (current_function_decl == NULL)
2153 pp_base_string (context->printer, "At global scope:");
2155 pp_printf (context->printer, "In %s %qs:",
2156 function_category (current_function_decl),
2157 cxx_printable_name (current_function_decl, 2));
2158 pp_base_newline (context->printer);
2160 diagnostic_set_last_function (context);
2161 pp_base_destroy_prefix (context->printer);
2162 context->printer->prefix = old_prefix;
2166 /* Returns a description of FUNCTION using standard terminology. */
2168 function_category (tree fn)
2170 if (DECL_FUNCTION_MEMBER_P (fn))
2172 if (DECL_STATIC_FUNCTION_P (fn))
2173 return "static member function";
2174 else if (DECL_COPY_CONSTRUCTOR_P (fn))
2175 return "copy constructor";
2176 else if (DECL_CONSTRUCTOR_P (fn))
2177 return "constructor";
2178 else if (DECL_DESTRUCTOR_P (fn))
2179 return "destructor";
2181 return "member function";
2187 /* Report the full context of a current template instantiation,
2190 print_instantiation_full_context (diagnostic_context *context)
2192 tree p = current_instantiation ();
2193 location_t location = input_location;
2197 if (current_function_decl != TINST_DECL (p)
2198 && current_function_decl != NULL_TREE)
2199 /* We can get here during the processing of some synthesized
2200 method. Then, TINST_DECL (p) will be the function that's causing
2205 if (current_function_decl == TINST_DECL (p))
2206 /* Avoid redundancy with the the "In function" line. */;
2208 pp_verbatim (context->printer,
2209 "%s: In instantiation of %qs:\n",
2210 LOCATION_FILE (location),
2211 decl_as_string (TINST_DECL (p),
2212 TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
2214 location = TINST_LOCATION (p);
2219 print_instantiation_partial_context (context, p, location);
2222 /* Same as above but less verbose. */
2224 print_instantiation_partial_context (diagnostic_context *context,
2225 tree t, location_t loc)
2227 expanded_location xloc;
2228 for (; ; t = TREE_CHAIN (t))
2230 xloc = expand_location (loc);
2233 pp_verbatim (context->printer, "%s:%d: instantiated from %qs\n",
2234 xloc.file, xloc.line,
2235 decl_as_string (TINST_DECL (t),
2236 TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE));
2237 loc = TINST_LOCATION (t);
2239 pp_verbatim (context->printer, "%s:%d: instantiated from here\n",
2240 xloc.file, xloc.line);
2243 /* Called from cp_thing to print the template context for an error. */
2245 maybe_print_instantiation_context (diagnostic_context *context)
2247 if (!problematic_instantiation_changed () || current_instantiation () == 0)
2250 record_last_problematic_instantiation ();
2251 print_instantiation_full_context (context);
2254 /* Report the bare minimum context of a template instantiation. */
2256 print_instantiation_context (void)
2258 print_instantiation_partial_context
2259 (global_dc, current_instantiation (), input_location);
2260 diagnostic_flush_buffer (global_dc);
2263 /* Called from output_format -- during diagnostic message processing --
2264 to handle C++ specific format specifier with the following meanings:
2265 %A function argument-list.
2269 %F function declaration.
2270 %L language as used in extern "lang".
2272 %P function parameter whose position is indicated by an integer.
2273 %Q assignment operator.
2277 cp_printer (pretty_printer *pp, text_info *text)
2281 #define next_tree va_arg (*text->args_ptr, tree)
2282 #define next_tcode va_arg (*text->args_ptr, enum tree_code)
2283 #define next_lang va_arg (*text->args_ptr, enum languages)
2284 #define next_int va_arg (*text->args_ptr, int)
2286 if (*text->format_spec == '+')
2287 ++text->format_spec;
2288 if (*text->format_spec == '#')
2291 ++text->format_spec;
2294 switch (*text->format_spec)
2296 case 'A': result = args_to_string (next_tree, verbose); break;
2297 case 'C': result = code_to_string (next_tcode); break;
2298 case 'D': result = decl_to_string (next_tree, verbose); break;
2299 case 'E': result = expr_to_string (next_tree); break;
2300 case 'F': result = fndecl_to_string (next_tree, verbose); break;
2301 case 'L': result = language_to_string (next_lang); break;
2302 case 'O': result = op_to_string (next_tcode); break;
2303 case 'P': result = parm_to_string (next_int); break;
2304 case 'Q': result = assop_to_string (next_tcode); break;
2305 case 'T': result = type_to_string (next_tree, verbose); break;
2306 case 'V': result = cv_to_string (next_tree, verbose); break;
2312 pp_base_string (pp, result);
2320 /* These are temporary wrapper functions which handle the historic
2321 behavior of cp_*_at. */
2324 locate_error (const char *msgid, va_list ap)
2330 for (f = msgid; *f; f++)
2336 ++f; /* ignore quoting flag. */
2348 /* Just ignore these possibilities. */
2351 case 'd': (void) va_arg (ap, int); break;
2352 case 's': (void) va_arg (ap, char *); break;
2353 case 'L': (void) va_arg (ap, enum languages); break;
2356 case 'Q': (void) va_arg (ap, enum tree_code); break;
2358 /* These take a tree, which may be where the error is
2366 t = va_arg (ap, tree);
2372 errorcount = 0; /* damn ICE suppression */
2373 internal_error ("unexpected letter %qc in locate_error\n", *f);
2379 here = va_arg (ap, tree);
2386 cp_error_at (const char *msgid, ...)
2389 diagnostic_info diagnostic;
2392 va_start (ap, msgid);
2393 here = locate_error (msgid, ap);
2396 va_start (ap, msgid);
2397 diagnostic_set_info (&diagnostic, msgid, &ap,
2398 input_location, DK_ERROR);
2399 cp_diagnostic_starter (global_dc, &diagnostic);
2400 diagnostic_set_info (&diagnostic, msgid, &ap,
2401 location_of (here), DK_ERROR);
2402 report_diagnostic (&diagnostic);
2407 cp_warning_at (const char *msgid, ...)
2410 diagnostic_info diagnostic;
2413 va_start (ap, msgid);
2414 here = locate_error (msgid, ap);
2417 va_start (ap, msgid);
2418 diagnostic_set_info (&diagnostic, msgid, &ap,
2419 location_of (here), DK_WARNING);
2420 report_diagnostic (&diagnostic);
2425 cp_pedwarn_at (const char *msgid, ...)
2428 diagnostic_info diagnostic;
2431 va_start (ap, msgid);
2432 here = locate_error (msgid, ap);
2435 va_start (ap, msgid);
2436 diagnostic_set_info (&diagnostic, msgid, &ap,
2437 location_of (here), pedantic_error_kind());
2438 report_diagnostic (&diagnostic);