Line data Source code
1 : /* Call-backs for C++ error reporting.
2 : This code is non-reentrant.
3 : Copyright (C) 1993-2026 Free Software Foundation, Inc.
4 : This file is part of GCC.
5 :
6 : GCC is free software; you can redistribute it and/or modify
7 : it under the terms of the GNU General Public License as published by
8 : the Free Software Foundation; either version 3, or (at your option)
9 : any later version.
10 :
11 : GCC is distributed in the hope that it will be useful,
12 : but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : GNU General Public License for more details.
15 :
16 : You should have received a copy of the GNU General Public License
17 : along with GCC; see the file COPYING3. If not see
18 : <http://www.gnu.org/licenses/>. */
19 :
20 : #define INCLUDE_VECTOR
21 : #include "config.h"
22 : /* For use with name_hint. */
23 : #include "system.h"
24 : #include "coretypes.h"
25 : #include "cp-tree.h"
26 : #include "stringpool.h"
27 : #include "tree-diagnostic.h"
28 : #include "diagnostics/color.h"
29 : #include "langhooks-def.h"
30 : #include "intl.h"
31 : #include "cxx-pretty-print.h"
32 : #include "tree-pretty-print.h"
33 : #include "tree-pretty-print-markup.h"
34 : #include "gimple-pretty-print.h"
35 : #include "c-family/c-objc.h"
36 : #include "ubsan.h"
37 : #include "internal-fn.h"
38 : #include "c-family/c-type-mismatch.h"
39 : #include "cp-name-hint.h"
40 : #include "attribs.h"
41 : #include "pretty-print-format-impl.h"
42 : #include "diagnostics/text-sink.h"
43 :
44 : #define pp_separate_with_comma(PP) pp_cxx_separate_with (PP, ',')
45 : #define pp_separate_with_semicolon(PP) pp_cxx_separate_with (PP, ';')
46 :
47 : /* cxx_pp is a C++ front-end-specific pretty printer: this is where we
48 : dump C++ ASTs as strings. It is mostly used only by the various
49 : tree -> string functions that are occasionally called from the
50 : debugger or by the front-end for things like
51 : __PRETTY_FUNCTION__. */
52 : static cxx_pretty_printer actual_pretty_printer;
53 : static cxx_pretty_printer * const cxx_pp = &actual_pretty_printer;
54 :
55 : /* Translate if being used for diagnostics, but not for dump files or
56 : __PRETTY_FUNCTION. */
57 : #define M_(msgid) (pp_translate_identifiers (cxx_pp) ? _(msgid) : (msgid))
58 :
59 : # define NEXT_CODE(T) (TREE_CODE (TREE_TYPE (T)))
60 :
61 : static const char *args_to_string (tree, int);
62 : static const char *code_to_string (enum tree_code);
63 : static const char *cv_to_string (tree, int);
64 : static const char *decl_to_string (tree, int, bool);
65 : static const char *fndecl_to_string (tree, int);
66 : static const char *op_to_string (bool, enum tree_code);
67 : static const char *parm_to_string (int);
68 : static const char *type_to_string (tree, int, bool, bool *, bool,
69 : const char * = nullptr);
70 :
71 : static void dump_alias_template_specialization (cxx_pretty_printer *, tree, int);
72 : static void dump_type (cxx_pretty_printer *, tree, int);
73 : static void dump_typename (cxx_pretty_printer *, tree, int);
74 : static void dump_simple_decl (cxx_pretty_printer *, tree, tree, int);
75 : static void dump_decl (cxx_pretty_printer *, tree, int);
76 : static void dump_template_decl (cxx_pretty_printer *, tree, int);
77 : static void dump_function_decl (cxx_pretty_printer *, tree, int);
78 : static void dump_expr (cxx_pretty_printer *, tree, int);
79 : static void dump_unary_op (cxx_pretty_printer *, const char *, tree, int);
80 : static void dump_binary_op (cxx_pretty_printer *, const char *, tree, int);
81 : static void dump_aggr_type (cxx_pretty_printer *, tree, int);
82 : static void dump_type_prefix (cxx_pretty_printer *, tree, int);
83 : static void dump_type_suffix (cxx_pretty_printer *, tree, int);
84 : static void dump_function_name (cxx_pretty_printer *, tree, int);
85 : static void dump_call_expr_args (cxx_pretty_printer *, tree, int, bool);
86 : static void dump_expr_list (cxx_pretty_printer *, tree, int);
87 : static void dump_global_iord (cxx_pretty_printer *, tree);
88 : static void dump_parameters (cxx_pretty_printer *, tree, int);
89 : static void dump_ref_qualifier (cxx_pretty_printer *, tree, int);
90 : static void dump_exception_spec (cxx_pretty_printer *, tree, int);
91 : static void dump_template_argument (cxx_pretty_printer *, tree, int);
92 : static void dump_template_argument_list (cxx_pretty_printer *, tree, int);
93 : static void dump_template_parameter (cxx_pretty_printer *, tree, int);
94 : static void dump_template_bindings (cxx_pretty_printer *, tree, tree,
95 : vec<tree, va_gc> *);
96 : static void dump_scope (cxx_pretty_printer *, tree, int);
97 : static void dump_template_parms (cxx_pretty_printer *, tree, int, int);
98 : static int get_non_default_template_args_count (tree, int);
99 : static const char *function_category (tree);
100 : static void maybe_print_constexpr_context (diagnostics::text_sink &);
101 : static void maybe_print_instantiation_context (diagnostics::text_sink &);
102 : static void print_instantiation_full_context (diagnostics::text_sink &);
103 : static void print_instantiation_partial_context (diagnostics::text_sink &,
104 : struct tinst_level *,
105 : location_t);
106 : static void maybe_print_constraint_context (diagnostics::text_sink &);
107 : static void cp_diagnostic_text_starter (diagnostics::text_sink &,
108 : const diagnostics::diagnostic_info *);
109 : static void cp_print_error_function (diagnostics::text_sink &,
110 : const diagnostics::diagnostic_info *);
111 :
112 : static bool cp_printer (pretty_printer *, text_info *, const char *,
113 : int, bool, bool, bool, bool *, pp_token_list &);
114 :
115 : /* Color names for highlighting "%qH" vs "%qI" values,
116 : and ranges corresponding to them. */
117 : const char *const highlight_colors::percent_h = "highlight-a";
118 : const char *const highlight_colors::percent_i = "highlight-b";
119 :
120 : /* Struct for handling %H or %I, which require delaying printing the
121 : type until a postprocessing stage. */
122 :
123 125760 : class deferred_printed_type
124 : {
125 : public:
126 336622 : deferred_printed_type ()
127 336622 : : m_tree (NULL_TREE),
128 336622 : m_printed_text (),
129 336622 : m_token_list (nullptr),
130 20960 : m_verbose (false), m_quote (false)
131 : {}
132 :
133 20960 : deferred_printed_type (tree type,
134 : pp_token_list &token_list,
135 : bool verbose,
136 : bool quote)
137 20960 : : m_tree (type),
138 20960 : m_printed_text (),
139 20960 : m_token_list (&token_list),
140 20960 : m_verbose (verbose),
141 20960 : m_quote (quote)
142 : {
143 20960 : gcc_assert (type);
144 : }
145 :
146 20960 : void set_text_for_token_list (const char *text, bool quote)
147 : {
148 : /* Replace the contents of m_token_list with a text token for TEXT,
149 : possibly wrapped by BEGIN_QUOTE/END_QUOTE (if QUOTE is true).
150 : This allows us to ignore any {BEGIN,END}_QUOTE tokens added
151 : by %qH and %qI, and instead use the quoting from type_to_string,
152 : and its logic for "aka". */
153 62880 : while (m_token_list->m_first)
154 41920 : m_token_list->pop_front ();
155 :
156 20960 : if (quote)
157 334 : m_token_list->push_back<pp_token_begin_quote> ();
158 :
159 : // TEXT is gc-allocated, so we can borrow it
160 20960 : m_token_list->push_back_text (label_text::borrow (text));
161 :
162 20960 : if (quote)
163 334 : m_token_list->push_back<pp_token_end_quote> ();
164 20960 : }
165 :
166 : /* The tree is not GTY-marked: they are only non-NULL within a
167 : call to pp_format. */
168 : tree m_tree;
169 : label_text m_printed_text;
170 : pp_token_list *m_token_list;
171 : bool m_verbose;
172 : bool m_quote;
173 : };
174 :
175 : /* Subclass of format_postprocessor for the C++ frontend.
176 : This handles the %H and %I formatting codes, printing them
177 : in a postprocessing phase (since they affect each other). */
178 :
179 : class cxx_format_postprocessor : public format_postprocessor
180 : {
181 : public:
182 315662 : cxx_format_postprocessor ()
183 315662 : : m_type_a (), m_type_b ()
184 : {}
185 :
186 : std::unique_ptr<format_postprocessor>
187 218174 : clone() const final override
188 : {
189 218174 : return std::make_unique<cxx_format_postprocessor> ();
190 : }
191 :
192 : void handle (pretty_printer *pp) final override;
193 :
194 : deferred_printed_type m_type_a;
195 : deferred_printed_type m_type_b;
196 : };
197 :
198 : /* Constructor and destructor for cxx_dump_pretty_printer, defined here to
199 : avoid needing to move cxx_format_postprocessor into the header as well. */
200 :
201 1261885393 : cxx_dump_pretty_printer::
202 1261885393 : cxx_dump_pretty_printer (int phase)
203 1261885393 : : phase (phase)
204 : {
205 1261885393 : outf = dump_begin (phase, &flags);
206 1261885393 : if (outf)
207 : {
208 0 : pp_format_decoder (this) = cp_printer;
209 0 : set_format_postprocessor (std::make_unique<cxx_format_postprocessor> ());
210 0 : set_output_stream (outf);
211 : }
212 1261885393 : }
213 :
214 1261885393 : cxx_dump_pretty_printer::
215 1261885393 : ~cxx_dump_pretty_printer ()
216 : {
217 1261885393 : if (outf)
218 : {
219 0 : pp_flush (this);
220 0 : dump_end (phase, outf);
221 : }
222 1261885393 : }
223 :
224 : /* Return the in-scope template that's currently being parsed, or
225 : NULL_TREE otherwise. */
226 :
227 : static tree
228 86204 : get_current_template ()
229 : {
230 86204 : if (scope_chain && in_template_context && !current_instantiation ())
231 10709 : if (tree ti = get_template_info (current_scope ()))
232 : {
233 4799 : if (PRIMARY_TEMPLATE_P (TI_TEMPLATE (ti)) && TI_PARTIAL_INFO (ti))
234 24 : ti = TI_PARTIAL_INFO (ti);
235 4799 : return TI_TEMPLATE (ti);
236 : }
237 :
238 : return NULL_TREE;
239 : }
240 :
241 : /* A map from TEMPLATE_DECLs that we've determined to be erroneous
242 : at parse time to the location of the first error within. */
243 :
244 : erroneous_templates_t *erroneous_templates;
245 :
246 : /* Callback function diagnostics::context::m_adjust_diagnostic_info.
247 :
248 : Errors issued when parsing a template are automatically treated like
249 : permerrors associated with the -Wtemplate-body flag and can be
250 : downgraded into warnings accordingly, in which case we'll still
251 : issue an error if we later need to instantiate the template. */
252 :
253 : static void
254 97004138 : cp_adjust_diagnostic_info (const diagnostics::context &context,
255 : diagnostics::diagnostic_info *diagnostic)
256 : {
257 97004138 : if (diagnostic->m_kind == diagnostics::kind::error)
258 86186 : if (tree tmpl = get_current_template ())
259 : {
260 4781 : diagnostic->m_option_id = OPT_Wtemplate_body;
261 :
262 4781 : if (context.m_permissive)
263 48 : diagnostic->m_kind = diagnostics::kind::warning;
264 :
265 4781 : bool existed;
266 4781 : location_t &error_loc
267 4781 : = hash_map_safe_get_or_insert<true> (erroneous_templates,
268 : tmpl, &existed);
269 4781 : if (!existed)
270 : /* Remember that this template had a parse-time error so
271 : that we'll ensure a hard error has been issued upon
272 : its instantiation. */
273 2302 : error_loc = diagnostic->m_richloc->get_loc ();
274 : }
275 97004138 : }
276 :
277 : /* A generalization of seen_error which also returns true if we've
278 : permissively downgraded an error to a warning inside a template. */
279 :
280 : bool
281 8577062 : cp_seen_error ()
282 : {
283 8577062 : if ((seen_error) ())
284 : return true;
285 :
286 8554193 : if (erroneous_templates)
287 18 : if (tree tmpl = get_current_template ())
288 18 : if (erroneous_templates->get (tmpl))
289 18 : return true;
290 :
291 : return false;
292 : }
293 :
294 : /* CONTEXT->printer is a basic pretty printer that was constructed
295 : presumably by diagnostic_initialize(), called early in the
296 : compiler's initialization process (in general_init) Before the FE
297 : is initialized. This (C++) FE-specific diagnostic initializer is
298 : thus replacing the basic pretty printer with one that has C++-aware
299 : capacities. */
300 :
301 : void
302 97488 : cxx_initialize_diagnostics (diagnostics::context *context)
303 : {
304 97488 : cxx_pretty_printer *pp = new cxx_pretty_printer ();
305 97488 : pp->set_format_postprocessor (std::make_unique<cxx_format_postprocessor> ());
306 97488 : context->set_pretty_printer (std::unique_ptr<pretty_printer> (pp));
307 :
308 97488 : c_common_diagnostics_set_defaults (context);
309 97488 : diagnostics::text_starter (context) = cp_diagnostic_text_starter;
310 : /* diagnostic_finalizer is already c_diagnostic_text_finalizer. */
311 97488 : context->set_format_decoder (cp_printer);
312 97488 : context->set_adjust_diagnostic_info_callback (cp_adjust_diagnostic_info);
313 97488 : }
314 :
315 : /* Dump an '@module' name suffix for DECL, if it's attached to an import. */
316 :
317 : static void
318 253282877 : dump_module_suffix (cxx_pretty_printer *pp, tree decl)
319 : {
320 253282877 : if (!modules_p ())
321 : return;
322 :
323 97357 : if (!DECL_CONTEXT (decl))
324 : return;
325 :
326 96841 : if (TREE_CODE (decl) != CONST_DECL
327 96841 : || !UNSCOPED_ENUM_P (DECL_CONTEXT (decl)))
328 : {
329 96813 : if (!DECL_NAMESPACE_SCOPE_P (decl))
330 : return;
331 :
332 45498 : if (TREE_CODE (decl) == NAMESPACE_DECL
333 0 : && !DECL_NAMESPACE_ALIAS (decl)
334 45498 : && (TREE_PUBLIC (decl) || !TREE_PUBLIC (CP_DECL_CONTEXT (decl))))
335 : return;
336 : }
337 :
338 45526 : int m = get_originating_module (decl, /*global=-1*/true);
339 45526 : if (m > 0)
340 315 : if (const char *n = module_name (m, false))
341 : {
342 315 : pp_character (pp, '@');
343 315 : pp->set_padding (pp_none);
344 315 : pp_string (pp, n);
345 : }
346 : }
347 :
348 : /* The scope of the declaration we're currently printing, to avoid redundantly
349 : dumping the same scope on parameter types. */
350 : static tree current_dump_scope;
351 :
352 : /* Dump a scope, if deemed necessary. */
353 :
354 : static void
355 207122563 : dump_scope (cxx_pretty_printer *pp, tree scope, int flags)
356 : {
357 207122563 : int f = flags & (TFF_SCOPE | TFF_CHASE_TYPEDEF);
358 :
359 207122563 : if (scope == NULL_TREE || scope == current_dump_scope)
360 : return;
361 :
362 : /* Enum values within an unscoped enum will be CONST_DECL with an
363 : ENUMERAL_TYPE as their "scope". Use CP_TYPE_CONTEXT of the
364 : ENUMERAL_TYPE, so as to print any enclosing namespace. */
365 206872794 : if (UNSCOPED_ENUM_P (scope))
366 202 : scope = CP_TYPE_CONTEXT (scope);
367 :
368 206872794 : if (TREE_CODE (scope) == NAMESPACE_DECL)
369 : {
370 185320084 : if (scope != global_namespace)
371 : {
372 103410214 : dump_decl (pp, scope, f);
373 103410214 : pp_cxx_colon_colon (pp);
374 : }
375 : }
376 21552710 : else if (AGGREGATE_TYPE_P (scope)
377 21552710 : || SCOPED_ENUM_P (scope))
378 : {
379 21055961 : dump_type (pp, scope, f);
380 21055961 : pp_cxx_colon_colon (pp);
381 : }
382 496749 : else if ((flags & TFF_SCOPE) && TREE_CODE (scope) == FUNCTION_DECL)
383 : {
384 482321 : dump_function_decl (pp, scope, f | TFF_NO_TEMPLATE_BINDINGS);
385 482321 : pp_cxx_colon_colon (pp);
386 : }
387 : }
388 :
389 : /* Dump the template ARGument under control of FLAGS. */
390 :
391 : static void
392 181907415 : dump_template_argument (cxx_pretty_printer *pp, tree arg, int flags)
393 : {
394 181907415 : if (ARGUMENT_PACK_P (arg))
395 7504865 : dump_template_argument_list (pp, ARGUMENT_PACK_ARGS (arg),
396 : /* No default args in argument packs. */
397 : flags|TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS);
398 174402550 : else if (TYPE_P (arg) || TREE_CODE (arg) == TEMPLATE_DECL)
399 149375159 : dump_type (pp, arg, flags & ~TFF_CLASS_KEY_OR_ENUM);
400 : else
401 : {
402 25027391 : if (TREE_CODE (arg) == TREE_LIST)
403 0 : arg = TREE_VALUE (arg);
404 :
405 : /* Strip implicit conversions. */
406 25027451 : while (CONVERT_EXPR_P (arg))
407 60 : arg = TREE_OPERAND (arg, 0);
408 :
409 25027391 : dump_expr (pp, arg, (flags | TFF_EXPR_IN_PARENS) & ~TFF_CLASS_KEY_OR_ENUM);
410 : }
411 181907415 : }
412 :
413 : /* Count the number of template arguments ARGS whose value does not
414 : match the (optional) default template parameter in PARAMS */
415 :
416 : static int
417 112382086 : get_non_default_template_args_count (tree args, int flags)
418 : {
419 112382086 : int n = TREE_VEC_LENGTH (INNERMOST_TEMPLATE_ARGS (args));
420 :
421 112382086 : if (/* We use this flag when generating debug information. We don't
422 : want to expand templates at this point, for this may generate
423 : new decls, which gets decl counts out of sync, which may in
424 : turn cause codegen differences between compilations with and
425 : without -g. */
426 112382086 : (flags & TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS) != 0
427 8035319 : || !flag_pretty_templates)
428 : return n;
429 :
430 8035262 : return GET_NON_DEFAULT_TEMPLATE_ARGS_COUNT (INNERMOST_TEMPLATE_ARGS (args));
431 : }
432 :
433 : /* Dump a template-argument-list ARGS (always a TREE_VEC) under control
434 : of FLAGS. */
435 :
436 : static void
437 7507879 : dump_template_argument_list (cxx_pretty_printer *pp, tree args, int flags)
438 : {
439 7507879 : int n = get_non_default_template_args_count (args, flags);
440 7507879 : int need_comma = 0;
441 7507879 : int i;
442 :
443 22453327 : for (i = 0; i < n; ++i)
444 : {
445 14945448 : tree arg = TREE_VEC_ELT (args, i);
446 :
447 : /* Only print a comma if we know there is an argument coming. In
448 : the case of an empty template argument pack, no actual
449 : argument will be printed. */
450 14945448 : if (need_comma
451 14945448 : && (!ARGUMENT_PACK_P (arg)
452 188 : || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg)) > 0))
453 7984629 : pp_separate_with_comma (pp);
454 :
455 14945448 : dump_template_argument (pp, arg, flags);
456 14945448 : need_comma = 1;
457 : }
458 7507879 : }
459 :
460 : /* Dump a template parameter PARM (a TREE_LIST) under control of FLAGS. */
461 :
462 : static void
463 72119 : dump_template_parameter (cxx_pretty_printer *pp, tree parm, int flags)
464 : {
465 72119 : tree p;
466 72119 : tree a;
467 :
468 72119 : if (parm == error_mark_node)
469 : return;
470 :
471 72119 : p = TREE_VALUE (parm);
472 72119 : a = TREE_PURPOSE (parm);
473 :
474 72119 : if (TREE_CODE (p) == TYPE_DECL)
475 : {
476 65236 : if (flags & TFF_DECL_SPECIFIERS)
477 : {
478 10598 : pp_cxx_ws_string (pp, "class");
479 10598 : if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (p)))
480 854 : pp_cxx_ws_string (pp, "...");
481 10598 : if (DECL_NAME (p))
482 9857 : pp_cxx_tree_identifier (pp, DECL_NAME (p));
483 : }
484 54638 : else if (DECL_NAME (p))
485 53805 : pp_cxx_tree_identifier (pp, DECL_NAME (p));
486 : else
487 833 : pp_cxx_canonical_template_parameter (pp, TREE_TYPE (p));
488 : }
489 : else
490 6883 : dump_decl (pp, p, flags | TFF_DECL_SPECIFIERS);
491 :
492 72119 : if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && a != NULL_TREE)
493 : {
494 0 : pp_cxx_whitespace (pp);
495 0 : pp_equal (pp);
496 0 : pp_cxx_whitespace (pp);
497 0 : if (TREE_CODE (p) == TYPE_DECL || TREE_CODE (p) == TEMPLATE_DECL)
498 0 : dump_type (pp, a, flags & ~TFF_CHASE_TYPEDEF);
499 : else
500 0 : dump_expr (pp, a, flags | TFF_EXPR_IN_PARENS);
501 : }
502 : }
503 :
504 : /* Dump, under control of FLAGS, a template-parameter-list binding.
505 : PARMS is a TREE_LIST of TREE_VEC of TREE_LIST and ARGS is a
506 : TREE_VEC. */
507 :
508 : static void
509 37838 : dump_template_bindings (cxx_pretty_printer *pp, tree parms, tree args,
510 : vec<tree, va_gc> *typenames)
511 : {
512 : /* Print "[with" and ']', conditional on whether anything is printed at all.
513 : This is tied to whether a semicolon is needed to separate multiple template
514 : parameters. */
515 37838 : struct prepost_semicolon
516 : {
517 : cxx_pretty_printer *pp;
518 : bool need_semicolon;
519 :
520 69851 : void operator() ()
521 : {
522 69851 : if (need_semicolon)
523 32013 : pp_separate_with_semicolon (pp);
524 : else
525 : {
526 37838 : pp_cxx_whitespace (pp);
527 37838 : pp_string (pp, colorize_start (pp_show_color (pp), "targs"));
528 37838 : pp_cxx_left_bracket (pp);
529 37838 : pp->translate_string ("with");
530 37838 : pp_cxx_whitespace (pp);
531 37838 : need_semicolon = true;
532 : }
533 69851 : }
534 :
535 37838 : ~prepost_semicolon ()
536 : {
537 37838 : if (need_semicolon)
538 : {
539 37838 : pp_cxx_right_bracket (pp);
540 37838 : pp_string (pp, colorize_stop (pp_show_color (pp)));
541 : }
542 37838 : }
543 37838 : } semicolon_or_introducer = {pp, false};
544 :
545 37838 : int i;
546 37838 : tree t;
547 :
548 77173 : while (parms)
549 : {
550 39335 : tree p = TREE_VALUE (parms);
551 39335 : int lvl = TMPL_PARMS_DEPTH (parms);
552 39335 : int arg_idx = 0;
553 39335 : int i;
554 39335 : tree lvl_args = NULL_TREE;
555 :
556 : /* Don't crash if we had an invalid argument list. */
557 115026 : if (TMPL_ARGS_DEPTH (args) >= lvl)
558 78658 : lvl_args = TMPL_ARGS_LEVEL (args, lvl);
559 :
560 99777 : for (i = 0; i < TREE_VEC_LENGTH (p); ++i)
561 : {
562 60442 : tree arg = NULL_TREE;
563 :
564 : /* Don't crash if we had an invalid argument list. */
565 120878 : if (lvl_args && NUM_TMPL_ARGS (lvl_args) > arg_idx)
566 60436 : arg = TREE_VEC_ELT (lvl_args, arg_idx);
567 :
568 60442 : tree parm_i = TREE_VEC_ELT (p, i);
569 : /* If the template argument repeats the template parameter (T = T),
570 : skip the parameter.*/
571 60407 : if (arg && TREE_CODE (arg) == TEMPLATE_TYPE_PARM
572 1032 : && arg == TYPE_MAIN_VARIANT (arg)
573 1032 : && TREE_CODE (parm_i) == TREE_LIST
574 1032 : && TREE_CODE (TREE_VALUE (parm_i)) == TYPE_DECL
575 1013 : && (TREE_CODE (TREE_TYPE (TREE_VALUE (parm_i)))
576 : == TEMPLATE_TYPE_PARM)
577 61455 : && (DECL_NAME (TREE_VALUE (parm_i))
578 1013 : == DECL_NAME (TYPE_STUB_DECL (arg))))
579 559 : continue;
580 :
581 59883 : semicolon_or_introducer ();
582 59883 : dump_template_parameter (pp, parm_i, TFF_PLAIN_IDENTIFIER);
583 59883 : pp_cxx_whitespace (pp);
584 59883 : pp_equal (pp);
585 59883 : pp_cxx_whitespace (pp);
586 59883 : if (arg)
587 : {
588 59848 : if (ARGUMENT_PACK_P (arg))
589 2223 : pp_cxx_left_brace (pp);
590 59848 : dump_template_argument (pp, arg, TFF_PLAIN_IDENTIFIER);
591 59848 : if (ARGUMENT_PACK_P (arg))
592 2223 : pp_cxx_right_brace (pp);
593 : }
594 : else
595 35 : pp_string (pp, M_("<missing>"));
596 :
597 59883 : ++arg_idx;
598 : }
599 :
600 39335 : parms = TREE_CHAIN (parms);
601 : }
602 :
603 : /* Don't bother with typenames for a partial instantiation. */
604 45595 : if (vec_safe_is_empty (typenames) || uses_template_parms (args))
605 30291 : return;
606 :
607 : /* Don't try to print typenames when we're processing a clone. */
608 7547 : if (current_function_decl
609 7547 : && !DECL_LANG_SPECIFIC (current_function_decl))
610 : return;
611 :
612 : /* Don't try to do this once cgraph starts throwing away front-end
613 : information. */
614 7547 : if (at_eof >= 3)
615 : return;
616 :
617 17278 : FOR_EACH_VEC_SAFE_ELT (typenames, i, t)
618 : {
619 9968 : semicolon_or_introducer ();
620 9968 : dump_type (pp, t, TFF_PLAIN_IDENTIFIER);
621 9968 : pp_cxx_whitespace (pp);
622 9968 : pp_equal (pp);
623 9968 : pp_cxx_whitespace (pp);
624 9968 : push_deferring_access_checks (dk_no_check);
625 9968 : t = tsubst (t, args, tf_none, NULL_TREE);
626 9968 : pop_deferring_access_checks ();
627 : /* Strip typedefs. We can't just use TFF_CHASE_TYPEDEF because
628 : pp_simple_type_specifier doesn't know about it. */
629 9968 : t = strip_typedefs (t, NULL, STF_USER_VISIBLE);
630 9968 : dump_type (pp, t, TFF_PLAIN_IDENTIFIER);
631 : }
632 37838 : }
633 :
634 : /* Dump a human-readable equivalent of the alias template
635 : specialization of T. */
636 :
637 : static void
638 5709 : dump_alias_template_specialization (cxx_pretty_printer *pp, tree t, int flags)
639 : {
640 5709 : gcc_assert (alias_template_specialization_p (t, nt_opaque));
641 :
642 5709 : tree decl = TYPE_NAME (t);
643 5709 : if (!(flags & TFF_UNQUALIFIED_NAME))
644 5709 : dump_scope (pp, CP_DECL_CONTEXT (decl), flags);
645 5709 : pp_cxx_tree_identifier (pp, DECL_NAME (decl));
646 5709 : dump_template_parms (pp, DECL_TEMPLATE_INFO (decl),
647 : /*primary=*/false,
648 : flags & ~TFF_TEMPLATE_HEADER);
649 5709 : }
650 :
651 : /* Dump a human-readable equivalent of TYPE. FLAGS controls the
652 : format. */
653 :
654 : static void
655 262217153 : dump_type (cxx_pretty_printer *pp, tree t, int flags)
656 : {
657 262217183 : if (t == NULL_TREE)
658 : return;
659 :
660 : /* Don't print e.g. "struct mytypedef". */
661 262217169 : if (TYPE_P (t) && typedef_variant_p (t))
662 : {
663 1206962 : tree decl = TYPE_NAME (t);
664 1206962 : if ((flags & TFF_CHASE_TYPEDEF)
665 1206962 : || DECL_SELF_REFERENCE_P (decl)
666 2413329 : || (!flag_pretty_templates
667 6 : && DECL_LANG_SPECIFIC (decl) && DECL_TEMPLATE_INFO (decl)))
668 : {
669 0 : unsigned int stf_flags = (!(pp->flags & pp_c_flag_gnu_v3)
670 601 : ? STF_USER_VISIBLE : 0);
671 601 : t = strip_typedefs (t, NULL, stf_flags);
672 : }
673 1206361 : else if (alias_template_specialization_p (t, nt_opaque))
674 : {
675 5709 : dump_alias_template_specialization (pp, t, flags);
676 5709 : return;
677 : }
678 1200652 : else if (same_type_p (t, TREE_TYPE (decl)))
679 : t = decl;
680 : else
681 : {
682 3168 : pp_cxx_cv_qualifier_seq (pp, t);
683 3168 : if (! (flags & TFF_UNQUALIFIED_NAME))
684 3168 : dump_scope (pp, CP_DECL_CONTEXT (decl), flags);
685 3168 : pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (t));
686 3168 : return;
687 : }
688 : }
689 :
690 262208292 : if (TYPE_PTRMEMFUNC_P (t))
691 167578 : goto offset_type;
692 :
693 262040714 : switch (TREE_CODE (t))
694 : {
695 438 : case LANG_TYPE:
696 438 : if (t == init_list_type_node)
697 279 : pp_string (pp, M_("<brace-enclosed initializer list>"));
698 159 : else if (t == unknown_type_node)
699 159 : pp_string (pp, M_("<unresolved overloaded function type>"));
700 : else
701 : {
702 0 : pp_cxx_cv_qualifier_seq (pp, t);
703 0 : if (tree id = TYPE_IDENTIFIER (t))
704 0 : pp_cxx_tree_identifier (pp, id);
705 : }
706 : break;
707 :
708 91 : case TREE_VEC:
709 91 : {
710 : /* A list of types used for a trait. */
711 91 : bool need_comma = false;
712 213 : for (tree arg : tree_vec_range (t))
713 : {
714 122 : if (need_comma)
715 31 : pp_separate_with_comma (pp);
716 122 : dump_type (pp, arg, flags);
717 122 : need_comma = true;
718 : }
719 : }
720 91 : break;
721 :
722 0 : case TREE_LIST:
723 : /* A list of function parms. */
724 0 : dump_parameters (pp, t, flags);
725 0 : break;
726 :
727 293 : case IDENTIFIER_NODE:
728 293 : pp_cxx_tree_identifier (pp, t);
729 293 : break;
730 :
731 24 : case TREE_BINFO:
732 24 : dump_type (pp, BINFO_TYPE (t), flags);
733 24 : break;
734 :
735 154788160 : case RECORD_TYPE:
736 154788160 : case UNION_TYPE:
737 154788160 : case ENUMERAL_TYPE:
738 154788160 : dump_aggr_type (pp, t, flags);
739 154788160 : break;
740 :
741 1198042 : case TYPE_DECL:
742 1198042 : if (flags & TFF_CHASE_TYPEDEF)
743 : {
744 0 : dump_type (pp, DECL_ORIGINAL_TYPE (t)
745 0 : ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t), flags);
746 0 : break;
747 : }
748 : /* Fall through. */
749 :
750 1685629 : case TEMPLATE_DECL:
751 1685629 : case NAMESPACE_DECL:
752 1685629 : case CONST_DECL:
753 1685629 : dump_decl (pp, t, flags & ~TFF_DECL_SPECIFIERS);
754 1685629 : break;
755 :
756 71366156 : case INTEGER_TYPE:
757 71366156 : case REAL_TYPE:
758 71366156 : case VOID_TYPE:
759 71366156 : case OPAQUE_TYPE:
760 71366156 : case BOOLEAN_TYPE:
761 71366156 : case COMPLEX_TYPE:
762 71366156 : case VECTOR_TYPE:
763 71366156 : case FIXED_POINT_TYPE:
764 71366156 : pp_type_specifier_seq (pp, t);
765 71366156 : break;
766 :
767 1567 : case TEMPLATE_TEMPLATE_PARM:
768 : /* For parameters inside template signature. */
769 1567 : if (TYPE_IDENTIFIER (t))
770 3044 : pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (t));
771 : else
772 45 : pp_cxx_canonical_template_parameter (pp, t);
773 : break;
774 :
775 420 : case BOUND_TEMPLATE_TEMPLATE_PARM:
776 420 : {
777 420 : tree args = TYPE_TI_ARGS (t);
778 420 : pp_cxx_cv_qualifier_seq (pp, t);
779 840 : pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (t));
780 420 : pp_cxx_begin_template_argument_list (pp);
781 420 : dump_template_argument_list (pp, args, flags);
782 420 : pp_cxx_end_template_argument_list (pp);
783 : }
784 420 : break;
785 :
786 252675 : case TEMPLATE_TYPE_PARM:
787 252675 : pp_cxx_cv_qualifier_seq (pp, t);
788 252675 : if (template_placeholder_p (t))
789 : {
790 57 : tree tmpl = TREE_TYPE (CLASS_PLACEHOLDER_TEMPLATE (t));
791 114 : pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (tmpl));
792 57 : pp_string (pp, "<...auto...>");
793 : }
794 252618 : else if (TYPE_IDENTIFIER (t))
795 503580 : pp_cxx_tree_identifier (pp, TYPE_IDENTIFIER (t));
796 : else
797 828 : pp_cxx_canonical_template_parameter
798 828 : (pp, TEMPLATE_TYPE_PARM_INDEX (t));
799 : /* If this is a constrained placeholder, add the requirements. */
800 252675 : if (tree c = PLACEHOLDER_TYPE_CONSTRAINTS (t))
801 180 : pp_cxx_constrained_type_spec (pp, c);
802 : break;
803 :
804 : /* This is not always necessary for pointers and such, but doing this
805 : reduces code size. */
806 33950734 : case ARRAY_TYPE:
807 33950734 : case POINTER_TYPE:
808 33950734 : case REFERENCE_TYPE:
809 33950734 : case OFFSET_TYPE:
810 33950734 : offset_type:
811 33950734 : case FUNCTION_TYPE:
812 33950734 : case METHOD_TYPE:
813 33950734 : {
814 33950734 : dump_type_prefix (pp, t, flags);
815 33950734 : dump_type_suffix (pp, t, flags);
816 33950734 : break;
817 : }
818 3219 : case TYPENAME_TYPE:
819 3219 : if (! (flags & TFF_CHASE_TYPEDEF)
820 3219 : && DECL_ORIGINAL_TYPE (TYPE_NAME (t)))
821 : {
822 0 : dump_decl (pp, TYPE_NAME (t), TFF_PLAIN_IDENTIFIER);
823 0 : break;
824 : }
825 3219 : pp_cxx_cv_qualifier_seq (pp, t);
826 3219 : if (const char *tag = tag_name (get_typename_tag (t)))
827 3190 : pp_cxx_ws_string (pp, tag);
828 3219 : dump_typename (pp, t, flags);
829 3219 : break;
830 :
831 6 : case UNBOUND_CLASS_TEMPLATE:
832 6 : if (! (flags & TFF_UNQUALIFIED_NAME))
833 : {
834 6 : dump_type (pp, TYPE_CONTEXT (t), flags);
835 6 : pp_cxx_colon_colon (pp);
836 : }
837 6 : pp_cxx_ws_string (pp, "template");
838 6 : dump_type (pp, TYPE_IDENTIFIER (t), flags);
839 6 : break;
840 :
841 3 : case TYPEOF_TYPE:
842 3 : pp_cxx_ws_string (pp, "__typeof__");
843 3 : pp_cxx_whitespace (pp);
844 3 : pp_cxx_left_paren (pp);
845 3 : dump_expr (pp, TYPEOF_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
846 3 : pp_cxx_right_paren (pp);
847 3 : break;
848 :
849 42 : case TRAIT_TYPE:
850 42 : pp_cxx_trait (pp, t);
851 42 : break;
852 :
853 33927 : case TYPE_PACK_EXPANSION:
854 33927 : dump_type (pp, PACK_EXPANSION_PATTERN (t), flags);
855 33927 : pp_cxx_ws_string (pp, "...");
856 33927 : break;
857 :
858 2 : case PACK_INDEX_TYPE:
859 2 : dump_type (pp, PACK_INDEX_PACK (t), flags);
860 2 : pp_cxx_left_bracket (pp);
861 2 : dump_expr (pp, PACK_INDEX_INDEX (t), flags & ~TFF_EXPR_IN_PARENS);
862 2 : pp_cxx_right_bracket (pp);
863 2 : break;
864 :
865 74 : case TYPE_ARGUMENT_PACK:
866 74 : dump_template_argument (pp, t, flags);
867 74 : break;
868 :
869 706 : case DECLTYPE_TYPE:
870 706 : pp_cxx_ws_string (pp, "decltype");
871 706 : pp_cxx_whitespace (pp);
872 706 : pp_cxx_left_paren (pp);
873 706 : dump_expr (pp, DECLTYPE_TYPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
874 706 : pp_cxx_right_paren (pp);
875 706 : break;
876 :
877 123356 : case NULLPTR_TYPE:
878 123356 : pp_string (pp, "std::nullptr_t");
879 123356 : break;
880 :
881 735 : case META_TYPE:
882 735 : pp_string (pp, "std::meta::info");
883 735 : break;
884 :
885 6 : case SPLICE_SCOPE:
886 6 : dump_expr (pp, SPLICE_SCOPE_EXPR (t), flags & ~TFF_EXPR_IN_PARENS);
887 6 : break;
888 :
889 0 : default:
890 0 : pp_unsupported_tree (pp, t);
891 : /* Fall through. */
892 :
893 29 : case ERROR_MARK:
894 29 : pp_string (pp, M_("<type error>"));
895 29 : break;
896 : }
897 : }
898 :
899 : /* Dump a TYPENAME_TYPE. We need to notice when the context is itself
900 : a TYPENAME_TYPE. */
901 :
902 : static void
903 3717 : dump_typename (cxx_pretty_printer *pp, tree t, int flags)
904 : {
905 3717 : tree ctx = TYPE_CONTEXT (t);
906 :
907 3717 : if (TREE_CODE (ctx) == TYPENAME_TYPE)
908 498 : dump_typename (pp, ctx, flags);
909 : else
910 3219 : dump_type (pp, ctx, flags & ~TFF_CLASS_KEY_OR_ENUM);
911 3717 : pp_cxx_colon_colon (pp);
912 3717 : dump_decl (pp, TYPENAME_TYPE_FULLNAME (t), flags);
913 3717 : }
914 :
915 : /* Return the name of the supplied aggregate, or enumeral type. */
916 :
917 : const char *
918 154959823 : class_key_or_enum_as_string (tree t)
919 : {
920 154959823 : if (TREE_CODE (t) == ENUMERAL_TYPE)
921 : {
922 2430378 : if (SCOPED_ENUM_P (t))
923 : return "enum class";
924 : else
925 1168399 : return "enum";
926 : }
927 152529445 : else if (TREE_CODE (t) == UNION_TYPE)
928 : return "union";
929 151852546 : else if (TYPE_LANG_SPECIFIC (t) && CLASSTYPE_DECLARED_CLASS (t))
930 47660700 : return "class";
931 : else
932 : return "struct";
933 : }
934 :
935 : /* Disable warnings about missing quoting in GCC diagnostics for
936 : the pp_verbatim call. Their format strings deliberately don't
937 : follow GCC diagnostic conventions. */
938 : #if __GNUC__ >= 10
939 : #pragma GCC diagnostic push
940 : #pragma GCC diagnostic ignored "-Wformat-diag"
941 : #endif
942 :
943 : /* Print out a class declaration T under the control of FLAGS,
944 : in the form `class foo'. */
945 :
946 : static void
947 154959714 : dump_aggr_type (cxx_pretty_printer *pp, tree t, int flags)
948 : {
949 154959714 : const char *variety = class_key_or_enum_as_string (t);
950 154959714 : int typdef = 0;
951 154959714 : int tmplate = 0;
952 :
953 154959714 : pp_cxx_cv_qualifier_seq (pp, t);
954 :
955 154959714 : if (flags & TFF_CLASS_KEY_OR_ENUM)
956 11755 : pp_cxx_ws_string (pp, variety);
957 :
958 154959714 : tree decl = TYPE_NAME (t);
959 :
960 154959714 : if (decl)
961 : {
962 154959714 : typdef = (!DECL_ARTIFICIAL (decl)
963 : /* An alias specialization is not considered to be a
964 : typedef. */
965 154959714 : && !alias_template_specialization_p (t, nt_opaque));
966 :
967 326280 : if ((typdef
968 326280 : && ((flags & TFF_CHASE_TYPEDEF)
969 326280 : || (!flag_pretty_templates && DECL_LANG_SPECIFIC (decl)
970 0 : && DECL_TEMPLATE_INFO (decl))))
971 154959714 : || DECL_SELF_REFERENCE_P (decl))
972 : {
973 0 : t = TYPE_MAIN_VARIANT (t);
974 0 : decl = TYPE_NAME (t);
975 0 : typdef = 0;
976 : }
977 :
978 154633434 : tmplate = !typdef && TREE_CODE (t) != ENUMERAL_TYPE
979 152203163 : && TYPE_LANG_SPECIFIC (t) && CLASSTYPE_TEMPLATE_INFO (t)
980 264713680 : && (TREE_CODE (CLASSTYPE_TI_TEMPLATE (t)) != TEMPLATE_DECL
981 109753966 : || PRIMARY_TEMPLATE_P (CLASSTYPE_TI_TEMPLATE (t)));
982 :
983 154959714 : if (! (flags & TFF_UNQUALIFIED_NAME))
984 101922751 : dump_scope (pp, CP_DECL_CONTEXT (decl), flags | TFF_SCOPE);
985 154959714 : flags &= ~TFF_UNQUALIFIED_NAME;
986 154959714 : if (tmplate)
987 : {
988 : /* Because the template names are mangled, we have to locate
989 : the most general template, and use that name. */
990 104632358 : tree tpl = TYPE_TI_TEMPLATE (t);
991 :
992 105441327 : while (DECL_TEMPLATE_INFO (tpl))
993 808969 : tpl = DECL_TI_TEMPLATE (tpl);
994 : decl = tpl;
995 : }
996 : }
997 :
998 306812077 : if (LAMBDA_TYPE_P (t))
999 : {
1000 : /* A lambda's "type" is essentially its signature. */
1001 388298 : pp_string (pp, M_("<lambda"));
1002 388298 : tree const fn = lambda_function (t);
1003 388298 : if (fn)
1004 : {
1005 388277 : int const parm_flags
1006 388277 : = DECL_XOBJ_MEMBER_FUNCTION_P (fn) ? TFF_XOBJ_FUNC | flags
1007 120 : : flags;
1008 388277 : dump_parameters (pp, FUNCTION_FIRST_USER_PARMTYPE (fn), parm_flags);
1009 : }
1010 388298 : pp_greater (pp);
1011 : }
1012 154571416 : else if (!decl || IDENTIFIER_ANON_P (DECL_NAME (decl)))
1013 : {
1014 1811 : if (flags & TFF_CLASS_KEY_OR_ENUM)
1015 208 : pp_string (pp, M_("<unnamed>"));
1016 : else
1017 1603 : pp_printf (pp, M_("<unnamed %s>"), variety);
1018 : }
1019 : else
1020 154569605 : pp_cxx_tree_identifier (pp, DECL_NAME (decl));
1021 :
1022 154959714 : dump_module_suffix (pp, decl);
1023 :
1024 154959714 : if (tmplate)
1025 104632358 : dump_template_parms (pp, TYPE_TEMPLATE_INFO (t),
1026 104632358 : !CLASSTYPE_USE_TEMPLATE (t),
1027 : flags & ~TFF_TEMPLATE_HEADER);
1028 154959714 : }
1029 :
1030 : #if __GNUC__ >= 10
1031 : #pragma GCC diagnostic pop
1032 : #endif
1033 :
1034 : /* Dump into the obstack the initial part of the output for a given type.
1035 : This is necessary when dealing with things like functions returning
1036 : functions. Examples:
1037 :
1038 : return type of `int (* fee ())()': pointer -> function -> int. Both
1039 : pointer (and reference and offset) and function (and member) types must
1040 : deal with prefix and suffix.
1041 :
1042 : Arrays must also do this for DECL nodes, like int a[], and for things like
1043 : int *[]&. */
1044 :
1045 : static void
1046 70321969 : dump_type_prefix (cxx_pretty_printer *pp, tree t, int flags)
1047 : {
1048 71618417 : if (TYPE_PTRMEMFUNC_P (t))
1049 : {
1050 171392 : t = TYPE_PTRMEMFUNC_FN_TYPE (t);
1051 171392 : goto offset_type;
1052 : }
1053 :
1054 71447025 : switch (TREE_CODE (t))
1055 : {
1056 35879523 : case POINTER_TYPE:
1057 35879523 : case REFERENCE_TYPE:
1058 35879523 : {
1059 35879523 : tree sub = TREE_TYPE (t);
1060 :
1061 35879523 : dump_type_prefix (pp, sub, flags);
1062 35879523 : if (TREE_CODE (sub) == ARRAY_TYPE
1063 35650018 : || TREE_CODE (sub) == FUNCTION_TYPE)
1064 : {
1065 486195 : pp_cxx_whitespace (pp);
1066 486195 : pp_cxx_left_paren (pp);
1067 : /* If we're dealing with the GNU form of attributes, print this:
1068 : void (__attribute__((noreturn)) *f) ();
1069 : If it is the standard [[]] attribute, we'll print the attribute
1070 : in dump_type_suffix. */
1071 486195 : if (!cxx11_attribute_p (TYPE_ATTRIBUTES (sub)))
1072 486190 : pp_c_attributes_display (pp, TYPE_ATTRIBUTES (sub));
1073 : }
1074 35879523 : if (TYPE_PTR_P (t))
1075 21191142 : pp_star (pp);
1076 14688381 : else if (TYPE_REF_P (t))
1077 : {
1078 14688381 : if (TYPE_REF_IS_RVALUE (t))
1079 2009855 : pp_ampersand_ampersand (pp);
1080 : else
1081 12678526 : pp_ampersand (pp);
1082 : }
1083 35879523 : pp->set_padding (pp_before);
1084 35879523 : pp_cxx_cv_qualifier_seq (pp, t);
1085 : }
1086 35879523 : break;
1087 :
1088 180286 : case OFFSET_TYPE:
1089 180286 : offset_type:
1090 180286 : dump_type_prefix (pp, TREE_TYPE (t), flags);
1091 180286 : if (TREE_CODE (t) == OFFSET_TYPE) /* pmfs deal with this in d_t_p */
1092 : {
1093 8894 : pp_maybe_space (pp);
1094 8894 : if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
1095 436 : pp_cxx_left_paren (pp);
1096 8894 : dump_type (pp, TYPE_OFFSET_BASETYPE (t), flags);
1097 8894 : pp_cxx_colon_colon (pp);
1098 : }
1099 180286 : pp_cxx_star (pp);
1100 180286 : pp_cxx_cv_qualifier_seq (pp, t);
1101 180286 : pp->set_padding (pp_before);
1102 180286 : break;
1103 :
1104 : /* This can be reached without a pointer when dealing with
1105 : templates, e.g. std::is_function. */
1106 487463 : case FUNCTION_TYPE:
1107 487463 : dump_type_prefix (pp, TREE_TYPE (t), flags);
1108 487463 : break;
1109 :
1110 171554 : case METHOD_TYPE:
1111 171554 : dump_type_prefix (pp, TREE_TYPE (t), flags);
1112 171554 : pp_maybe_space (pp);
1113 171554 : pp_cxx_left_paren (pp);
1114 171554 : dump_aggr_type (pp, TYPE_METHOD_BASETYPE (t), flags);
1115 171554 : pp_cxx_colon_colon (pp);
1116 171554 : break;
1117 :
1118 808985 : case ARRAY_TYPE:
1119 808985 : dump_type_prefix (pp, TREE_TYPE (t), flags);
1120 808985 : break;
1121 :
1122 34090575 : case ENUMERAL_TYPE:
1123 34090575 : case IDENTIFIER_NODE:
1124 34090575 : case INTEGER_TYPE:
1125 34090575 : case BOOLEAN_TYPE:
1126 34090575 : case REAL_TYPE:
1127 34090575 : case RECORD_TYPE:
1128 34090575 : case TEMPLATE_TYPE_PARM:
1129 34090575 : case TEMPLATE_TEMPLATE_PARM:
1130 34090575 : case BOUND_TEMPLATE_TEMPLATE_PARM:
1131 34090575 : case TREE_LIST:
1132 34090575 : case TYPE_DECL:
1133 34090575 : case TREE_VEC:
1134 34090575 : case UNION_TYPE:
1135 34090575 : case LANG_TYPE:
1136 34090575 : case VOID_TYPE:
1137 34090575 : case OPAQUE_TYPE:
1138 34090575 : case TYPENAME_TYPE:
1139 34090575 : case COMPLEX_TYPE:
1140 34090575 : case VECTOR_TYPE:
1141 34090575 : case TYPEOF_TYPE:
1142 34090575 : case TRAIT_TYPE:
1143 34090575 : case DECLTYPE_TYPE:
1144 34090575 : case TYPE_PACK_EXPANSION:
1145 34090575 : case FIXED_POINT_TYPE:
1146 34090575 : case NULLPTR_TYPE:
1147 34090575 : case PACK_INDEX_TYPE:
1148 34090575 : case META_TYPE:
1149 34090575 : case SPLICE_SCOPE:
1150 34090575 : dump_type (pp, t, flags);
1151 34090575 : pp->set_padding (pp_before);
1152 34090575 : break;
1153 :
1154 0 : default:
1155 0 : pp_unsupported_tree (pp, t);
1156 : /* fall through. */
1157 31 : case ERROR_MARK:
1158 31 : pp_string (pp, M_("<typeprefixerror>"));
1159 31 : break;
1160 : }
1161 70321969 : }
1162 :
1163 : /* Dump the suffix of type T, under control of FLAGS. This is the part
1164 : which appears after the identifier (or function parms). */
1165 :
1166 : static void
1167 34090943 : dump_type_suffix (cxx_pretty_printer *pp, tree t, int flags)
1168 : {
1169 71618754 : if (TYPE_PTRMEMFUNC_P (t))
1170 171392 : t = TYPE_PTRMEMFUNC_FN_TYPE (t);
1171 :
1172 71618754 : switch (TREE_CODE (t))
1173 : {
1174 36059809 : case POINTER_TYPE:
1175 36059809 : case REFERENCE_TYPE:
1176 36059809 : case OFFSET_TYPE:
1177 36059809 : if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE
1178 36059809 : || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE)
1179 486631 : pp_cxx_right_paren (pp);
1180 36059809 : if (TREE_CODE (t) == POINTER_TYPE)
1181 21362534 : flags |= TFF_POINTER;
1182 36059809 : dump_type_suffix (pp, TREE_TYPE (t), flags);
1183 36059809 : break;
1184 :
1185 659017 : case FUNCTION_TYPE:
1186 659017 : case METHOD_TYPE:
1187 659017 : {
1188 659017 : tree arg;
1189 659017 : if (TREE_CODE (t) == METHOD_TYPE)
1190 : /* Can only be reached through a pointer. */
1191 171554 : pp_cxx_right_paren (pp);
1192 659017 : arg = TYPE_ARG_TYPES (t);
1193 659017 : if (TREE_CODE (t) == METHOD_TYPE)
1194 171554 : arg = TREE_CHAIN (arg);
1195 :
1196 : /* Function pointers don't have default args. Not in standard C++,
1197 : anyway; they may in g++, but we'll just pretend otherwise. */
1198 659017 : dump_parameters (pp, arg, flags & ~TFF_FUNCTION_DEFAULT_ARGUMENTS);
1199 :
1200 659017 : pp->set_padding (pp_before);
1201 986579 : pp_cxx_cv_qualifiers (pp, type_memfn_quals (t),
1202 : TREE_CODE (t) == FUNCTION_TYPE
1203 : && (flags & TFF_POINTER));
1204 659017 : dump_ref_qualifier (pp, t, flags);
1205 659017 : if (tx_safe_fn_type_p (t))
1206 19 : pp_cxx_ws_string (pp, "transaction_safe");
1207 659017 : dump_exception_spec (pp, TYPE_RAISES_EXCEPTIONS (t), flags);
1208 : /* If this is the standard [[]] attribute, print
1209 : void (*)() [[noreturn]]; */
1210 659017 : if (cxx11_attribute_p (TYPE_ATTRIBUTES (t)))
1211 : {
1212 2 : pp_space (pp);
1213 2 : pp_c_attributes_display (pp, TYPE_ATTRIBUTES (t));
1214 2 : pp->set_padding (pp_before);
1215 : }
1216 659017 : dump_type_suffix (pp, TREE_TYPE (t), flags);
1217 659017 : break;
1218 : }
1219 :
1220 808985 : case ARRAY_TYPE:
1221 808985 : pp_maybe_space (pp);
1222 808985 : pp_cxx_left_bracket (pp);
1223 808985 : if (tree dtype = TYPE_DOMAIN (t))
1224 : {
1225 137196 : tree max = TYPE_MAX_VALUE (dtype);
1226 : /* Zero-length arrays have a null upper bound in C and SIZE_MAX
1227 : in C++. Handle both since the type might be constructed by
1228 : the middle end and end up here as a result of a warning (see
1229 : PR c++/97201). */
1230 137196 : if (!max || integer_all_onesp (max))
1231 651 : pp_character (pp, '0');
1232 136545 : else if (tree_fits_shwi_p (max))
1233 135987 : pp_wide_integer (pp, tree_to_shwi (max) + 1);
1234 : else
1235 : {
1236 558 : STRIP_NOPS (max);
1237 558 : if (TREE_CODE (max) == SAVE_EXPR)
1238 0 : max = TREE_OPERAND (max, 0);
1239 558 : if (TREE_CODE (max) == MINUS_EXPR
1240 558 : || TREE_CODE (max) == PLUS_EXPR)
1241 : {
1242 486 : max = TREE_OPERAND (max, 0);
1243 874 : while (CONVERT_EXPR_P (max))
1244 388 : max = TREE_OPERAND (max, 0);
1245 : }
1246 : else
1247 72 : max = fold_build2_loc (input_location,
1248 : PLUS_EXPR, dtype, max,
1249 : build_int_cst (dtype, 1));
1250 558 : dump_expr (pp, max, flags & ~TFF_EXPR_IN_PARENS);
1251 : }
1252 : }
1253 808985 : pp_cxx_right_bracket (pp);
1254 808985 : dump_type_suffix (pp, TREE_TYPE (t), flags);
1255 808985 : break;
1256 :
1257 : case ENUMERAL_TYPE:
1258 : case IDENTIFIER_NODE:
1259 : case INTEGER_TYPE:
1260 : case BOOLEAN_TYPE:
1261 : case REAL_TYPE:
1262 : case RECORD_TYPE:
1263 : case TEMPLATE_TYPE_PARM:
1264 : case TEMPLATE_TEMPLATE_PARM:
1265 : case BOUND_TEMPLATE_TEMPLATE_PARM:
1266 : case TREE_LIST:
1267 : case TYPE_DECL:
1268 : case TREE_VEC:
1269 : case UNION_TYPE:
1270 : case LANG_TYPE:
1271 : case VOID_TYPE:
1272 : case OPAQUE_TYPE:
1273 : case TYPENAME_TYPE:
1274 : case COMPLEX_TYPE:
1275 : case VECTOR_TYPE:
1276 : case TYPEOF_TYPE:
1277 : case TRAIT_TYPE:
1278 : case DECLTYPE_TYPE:
1279 : case TYPE_PACK_EXPANSION:
1280 : case FIXED_POINT_TYPE:
1281 : case NULLPTR_TYPE:
1282 : case PACK_INDEX_TYPE:
1283 : case META_TYPE:
1284 : case SPLICE_SCOPE:
1285 : break;
1286 :
1287 0 : default:
1288 0 : pp_unsupported_tree (pp, t);
1289 : case ERROR_MARK:
1290 : /* Don't mark it here, we should have already done in
1291 : dump_type_prefix. */
1292 : break;
1293 : }
1294 34090943 : }
1295 :
1296 : static void
1297 72 : dump_global_iord (cxx_pretty_printer *pp, tree t)
1298 : {
1299 72 : const char *p = NULL;
1300 :
1301 72 : if (DECL_GLOBAL_CTOR_P (t))
1302 72 : p = M_("(static initializers for %s)");
1303 0 : else if (DECL_GLOBAL_DTOR_P (t))
1304 0 : p = M_("(static destructors for %s)");
1305 : else
1306 0 : gcc_unreachable ();
1307 :
1308 72 : pp_printf (pp, p, DECL_SOURCE_FILE (t));
1309 72 : }
1310 :
1311 : /* Write a representation of OpenMP "declare mapper" T to PP in a manner
1312 : suitable for error messages. */
1313 :
1314 : static void
1315 48 : dump_omp_declare_mapper (cxx_pretty_printer *pp, tree t, int flags)
1316 : {
1317 48 : pp_string (pp, "#pragma omp declare mapper");
1318 48 : if (t == NULL_TREE || t == error_mark_node)
1319 : return;
1320 48 : pp_space (pp);
1321 48 : pp_cxx_left_paren (pp);
1322 48 : if (OMP_DECLARE_MAPPER_ID (t))
1323 : {
1324 12 : pp_cxx_tree_identifier (pp, OMP_DECLARE_MAPPER_ID (t));
1325 12 : pp_colon (pp);
1326 : }
1327 48 : dump_type (pp, TREE_TYPE (t), flags);
1328 48 : pp_cxx_right_paren (pp);
1329 : }
1330 :
1331 : static void
1332 1419429 : dump_simple_decl (cxx_pretty_printer *pp, tree t, tree type, int flags)
1333 : {
1334 1419429 : if (VAR_P (t) && DECL_NTTP_OBJECT_P (t))
1335 14649 : return dump_expr (pp, DECL_INITIAL (t), flags);
1336 :
1337 1404780 : if (TREE_CODE (t) == VAR_DECL
1338 25284 : && DECL_LANG_SPECIFIC (t)
1339 1409631 : && DECL_OMP_DECLARE_MAPPER_P (t))
1340 48 : return dump_omp_declare_mapper (pp, DECL_INITIAL (t), flags);
1341 :
1342 1404732 : if (flags & TFF_DECL_SPECIFIERS)
1343 : {
1344 25751 : if (concept_definition_p (t))
1345 337 : pp_cxx_ws_string (pp, "concept");
1346 25414 : else if (VAR_P (t) && DECL_DECLARED_CONSTEXPR_P (t))
1347 501 : pp_cxx_ws_string (pp, "constexpr");
1348 :
1349 25751 : if (!concept_definition_p (t))
1350 25414 : dump_type_prefix (pp, type, flags & ~TFF_UNQUALIFIED_NAME);
1351 25751 : pp_maybe_space (pp);
1352 : }
1353 1404732 : if (! (flags & TFF_UNQUALIFIED_NAME)
1354 1393521 : && TREE_CODE (t) != PARM_DECL
1355 2778700 : && (!DECL_INITIAL (t)
1356 8555 : || TREE_CODE (DECL_INITIAL (t)) != TEMPLATE_PARM_INDEX))
1357 1372459 : dump_scope (pp, CP_DECL_CONTEXT (t), flags);
1358 1404732 : flags &= ~TFF_UNQUALIFIED_NAME;
1359 1404732 : if ((flags & TFF_DECL_SPECIFIERS)
1360 25751 : && DECL_TEMPLATE_PARM_P (t)
1361 1410696 : && TEMPLATE_PARM_PARAMETER_PACK (DECL_INITIAL (t)))
1362 493 : pp_string (pp, "...");
1363 1404732 : if (DECL_NAME (t))
1364 : {
1365 1402834 : if (TREE_CODE (t) == FIELD_DECL && DECL_NORMAL_CAPTURE_P (t))
1366 : {
1367 12 : pp_less (pp);
1368 12 : pp_string (pp, IDENTIFIER_POINTER (DECL_NAME (t)) + 2);
1369 12 : pp_string (pp, " capture>");
1370 : }
1371 : else
1372 1402822 : dump_decl (pp, DECL_NAME (t), flags);
1373 : }
1374 1898 : else if (DECL_DECOMPOSITION_P (t))
1375 53 : pp_string (pp, M_("<structured bindings>"));
1376 1845 : else if (TREE_CODE (t) == FIELD_DECL && DECL_FIELD_IS_BASE (t))
1377 512 : dump_type (pp, TREE_TYPE (t), flags);
1378 : else
1379 1333 : pp_string (pp, M_("<anonymous>"));
1380 :
1381 1404732 : dump_module_suffix (pp, t);
1382 :
1383 1404732 : if (flags & TFF_DECL_SPECIFIERS)
1384 25751 : dump_type_suffix (pp, type, flags);
1385 : }
1386 :
1387 : class colorize_guard
1388 : {
1389 : bool colorize;
1390 : cxx_pretty_printer *pp;
1391 : public:
1392 96924661 : colorize_guard (bool _colorize, cxx_pretty_printer *pp, const char *name)
1393 96924661 : : colorize (_colorize && pp_show_color (pp)), pp (pp)
1394 : {
1395 96924661 : pp_string (pp, colorize_start (colorize, name));
1396 96924661 : }
1397 96924661 : ~colorize_guard ()
1398 : {
1399 96924661 : pp_string (pp, colorize_stop (colorize));
1400 96924661 : }
1401 : };
1402 :
1403 : /* Print an IDENTIFIER_NODE that is the name of a declaration. */
1404 :
1405 : static void
1406 201402873 : dump_decl_name (cxx_pretty_printer *pp, tree t, int flags)
1407 : {
1408 : /* These special cases are duplicated here so that other functions
1409 : can feed identifiers to error and get them demangled properly. */
1410 201402873 : if (IDENTIFIER_CONV_OP_P (t))
1411 : {
1412 27 : pp_cxx_ws_string (pp, "operator");
1413 : /* Not exactly IDENTIFIER_TYPE_VALUE. */
1414 27 : dump_type (pp, TREE_TYPE (t), flags);
1415 27 : return;
1416 : }
1417 201402846 : if (dguide_name_p (t))
1418 : {
1419 860 : dump_decl (pp, CLASSTYPE_TI_TEMPLATE (TREE_TYPE (t)),
1420 : TFF_UNQUALIFIED_NAME);
1421 860 : return;
1422 : }
1423 :
1424 201401986 : const char *str = IDENTIFIER_POINTER (t);
1425 201401986 : if (startswith (str, "_ZGR"))
1426 : {
1427 9 : pp_cxx_ws_string (pp, "<temporary>");
1428 9 : return;
1429 : }
1430 :
1431 201401977 : pp_cxx_tree_identifier (pp, t);
1432 : }
1433 :
1434 : /* Dump a human readable string for the decl T under control of FLAGS. */
1435 :
1436 : static void
1437 359944368 : dump_decl (cxx_pretty_printer *pp, tree t, int flags)
1438 : {
1439 359946002 : if (t == NULL_TREE)
1440 : return;
1441 :
1442 : /* If doing Objective-C++, give Objective-C a chance to demangle
1443 : Objective-C method names. */
1444 359946002 : if (c_dialect_objc ())
1445 : {
1446 0 : const char *demangled = objc_maybe_printable_name (t, flags);
1447 0 : if (demangled)
1448 : {
1449 0 : pp_string (pp, demangled);
1450 0 : return;
1451 : }
1452 : }
1453 :
1454 359946002 : switch (TREE_CODE (t))
1455 : {
1456 54423234 : case TYPE_DECL:
1457 : /* Don't say 'typedef class A' */
1458 54423234 : if (DECL_ARTIFICIAL (t) && !DECL_SELF_REFERENCE_P (t))
1459 : {
1460 53072980 : if ((flags & TFF_DECL_SPECIFIERS)
1461 53072980 : && TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TYPE_PARM)
1462 : {
1463 : /* Say `class T' not just `T'. */
1464 60 : pp_cxx_ws_string (pp, "class");
1465 :
1466 : /* Emit the `...' for a parameter pack. */
1467 60 : if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
1468 3 : pp_cxx_ws_string (pp, "...");
1469 : }
1470 :
1471 53072980 : dump_type (pp, TREE_TYPE (t), flags);
1472 53072980 : break;
1473 : }
1474 1350254 : if (TYPE_DECL_ALIAS_P (t)
1475 1350254 : && (flags & TFF_DECL_SPECIFIERS
1476 757744 : || flags & TFF_CLASS_KEY_OR_ENUM))
1477 : {
1478 475 : pp_cxx_ws_string (pp, "using");
1479 475 : if (! (flags & TFF_UNQUALIFIED_NAME))
1480 475 : dump_scope (pp, CP_DECL_CONTEXT (t), flags);
1481 475 : dump_decl (pp, DECL_NAME (t), flags);
1482 475 : pp_cxx_whitespace (pp);
1483 475 : pp_cxx_ws_string (pp, "=");
1484 475 : pp_cxx_whitespace (pp);
1485 498 : dump_type (pp, (DECL_ORIGINAL_TYPE (t)
1486 23 : ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t)),
1487 : flags);
1488 475 : break;
1489 : }
1490 1349779 : if ((flags & TFF_DECL_SPECIFIERS)
1491 1349779 : && !DECL_SELF_REFERENCE_P (t))
1492 11408 : pp_cxx_ws_string (pp, "typedef");
1493 1361089 : dump_simple_decl (pp, t, DECL_ORIGINAL_TYPE (t)
1494 11310 : ? DECL_ORIGINAL_TYPE (t) : TREE_TYPE (t),
1495 : flags);
1496 1349779 : break;
1497 :
1498 39933 : case VAR_DECL:
1499 39933 : if (DECL_NAME (t) && VTABLE_NAME_P (DECL_NAME (t)))
1500 : {
1501 0 : pp_string (pp, M_("vtable for "));
1502 0 : gcc_assert (TYPE_P (DECL_CONTEXT (t)));
1503 0 : dump_type (pp, DECL_CONTEXT (t), flags);
1504 0 : break;
1505 : }
1506 : /* Fall through. */
1507 67333 : case FIELD_DECL:
1508 67333 : case PARM_DECL:
1509 67333 : dump_simple_decl (pp, t, TREE_TYPE (t), flags);
1510 :
1511 : /* Handle variable template specializations. */
1512 67333 : if (VAR_P (t)
1513 39933 : && DECL_LANG_SPECIFIC (t)
1514 4851 : && DECL_TEMPLATE_INFO (t)
1515 68565 : && PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t)))
1516 : {
1517 483 : pp_cxx_begin_template_argument_list (pp);
1518 483 : tree args = INNERMOST_TEMPLATE_ARGS (DECL_TI_ARGS (t));
1519 483 : dump_template_argument_list (pp, args, flags);
1520 483 : pp_cxx_end_template_argument_list (pp);
1521 : }
1522 : break;
1523 :
1524 0 : case RESULT_DECL:
1525 0 : pp_string (pp, M_("<return value> "));
1526 0 : dump_simple_decl (pp, t, TREE_TYPE (t), flags);
1527 0 : break;
1528 :
1529 103437556 : case NAMESPACE_DECL:
1530 103437556 : if (flags & TFF_DECL_SPECIFIERS)
1531 72 : pp->declaration (t);
1532 : else
1533 : {
1534 103437484 : if (! (flags & TFF_UNQUALIFIED_NAME))
1535 103437463 : dump_scope (pp, CP_DECL_CONTEXT (t), flags);
1536 103437484 : flags &= ~TFF_UNQUALIFIED_NAME;
1537 103437484 : if (DECL_NAME (t) == NULL_TREE)
1538 : {
1539 7294 : if (!(pp->flags & pp_c_flag_gnu_v3))
1540 1694 : pp_cxx_ws_string (pp, M_("{anonymous}"));
1541 : else
1542 5600 : pp_cxx_ws_string (pp, M_("(anonymous namespace)"));
1543 : }
1544 : else
1545 103430190 : pp_cxx_tree_identifier (pp, DECL_NAME (t));
1546 : }
1547 : break;
1548 :
1549 924 : case SCOPE_REF:
1550 924 : dump_type (pp, TREE_OPERAND (t, 0), flags);
1551 924 : pp_cxx_colon_colon (pp);
1552 924 : dump_decl (pp, TREE_OPERAND (t, 1), TFF_UNQUALIFIED_NAME);
1553 924 : break;
1554 :
1555 0 : case ARRAY_REF:
1556 0 : dump_decl (pp, TREE_OPERAND (t, 0), flags);
1557 0 : pp_cxx_left_bracket (pp);
1558 0 : dump_decl (pp, TREE_OPERAND (t, 1), flags);
1559 0 : pp_cxx_right_bracket (pp);
1560 0 : break;
1561 :
1562 : /* So that we can do dump_decl on an aggr type. */
1563 1647 : case RECORD_TYPE:
1564 1647 : case UNION_TYPE:
1565 1647 : case ENUMERAL_TYPE:
1566 1647 : dump_type (pp, t, flags);
1567 1647 : break;
1568 :
1569 48 : case BIT_NOT_EXPR:
1570 : /* This is a pseudo destructor call which has not been folded into
1571 : a PSEUDO_DTOR_EXPR yet. */
1572 48 : pp_cxx_complement (pp);
1573 48 : dump_type (pp, TREE_OPERAND (t, 0), flags);
1574 48 : break;
1575 :
1576 0 : case TYPE_EXPR:
1577 0 : gcc_unreachable ();
1578 201402873 : break;
1579 :
1580 201402873 : case IDENTIFIER_NODE:
1581 201402873 : dump_decl_name (pp, t, flags);
1582 201402873 : break;
1583 :
1584 297 : case OVERLOAD:
1585 297 : if (!OVL_SINGLE_P (t))
1586 : {
1587 122 : tree ctx = ovl_scope (t);
1588 122 : if (ctx != global_namespace)
1589 : {
1590 69 : if (TYPE_P (ctx))
1591 59 : dump_type (pp, ctx, flags);
1592 : else
1593 10 : dump_decl (pp, ctx, flags);
1594 69 : pp_cxx_colon_colon (pp);
1595 : }
1596 244 : dump_decl (pp, OVL_NAME (t), flags);
1597 122 : break;
1598 : }
1599 :
1600 : /* If there's only one function, dump that. */
1601 359946002 : return dump_decl (pp, OVL_FIRST (t), flags);
1602 :
1603 137041 : case FUNCTION_DECL:
1604 137041 : if (! DECL_LANG_SPECIFIC (t))
1605 : {
1606 1644 : if (DECL_ABSTRACT_ORIGIN (t)
1607 1644 : && DECL_ABSTRACT_ORIGIN (t) != t)
1608 313 : dump_decl (pp, DECL_ABSTRACT_ORIGIN (t), flags);
1609 : else
1610 1331 : dump_function_name (pp, t, flags);
1611 : }
1612 135397 : else if (DECL_GLOBAL_CTOR_P (t) || DECL_GLOBAL_DTOR_P (t))
1613 72 : dump_global_iord (pp, t);
1614 : else
1615 135325 : dump_function_decl (pp, t, flags);
1616 : break;
1617 :
1618 469846 : case TEMPLATE_DECL:
1619 469846 : dump_template_decl (pp, t, flags);
1620 469846 : break;
1621 :
1622 362 : case CONCEPT_DECL:
1623 362 : dump_simple_decl (pp, t, TREE_TYPE (t), flags);
1624 362 : break;
1625 :
1626 2207 : case TEMPLATE_ID_EXPR:
1627 2207 : {
1628 2207 : tree name = TREE_OPERAND (t, 0);
1629 2207 : tree args = TREE_OPERAND (t, 1);
1630 :
1631 2207 : if (TREE_CODE (name) == SPLICE_EXPR)
1632 1 : dump_expr (pp, name, flags);
1633 : else
1634 : {
1635 2740 : if (!identifier_p (name))
1636 1587 : name = OVL_NAME (name);
1637 2206 : dump_decl (pp, name, flags);
1638 : }
1639 2207 : pp_cxx_begin_template_argument_list (pp);
1640 2207 : if (args == error_mark_node)
1641 0 : pp_string (pp, M_("<template arguments error>"));
1642 2207 : else if (args)
1643 2111 : dump_template_argument_list
1644 2111 : (pp, args, flags|TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS);
1645 2207 : pp_cxx_end_template_argument_list (pp);
1646 : }
1647 2207 : break;
1648 :
1649 382 : case LABEL_DECL:
1650 382 : if (DECL_NAME (t))
1651 376 : pp_cxx_tree_identifier (pp, DECL_NAME (t));
1652 : else
1653 6 : dump_generic_node (pp, t, 0, TDF_SLIM, false);
1654 : break;
1655 :
1656 1997 : case CONST_DECL:
1657 3988 : if ((TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == ENUMERAL_TYPE)
1658 3466 : || (DECL_INITIAL (t) &&
1659 1469 : TREE_CODE (DECL_INITIAL (t)) == TEMPLATE_PARM_INDEX))
1660 1955 : dump_simple_decl (pp, t, TREE_TYPE (t), flags);
1661 42 : else if (DECL_NAME (t))
1662 42 : dump_decl (pp, DECL_NAME (t), flags);
1663 0 : else if (DECL_INITIAL (t))
1664 0 : dump_expr (pp, DECL_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
1665 : else
1666 0 : pp_string (pp, M_("<enumerator>"));
1667 : break;
1668 :
1669 137 : case USING_DECL:
1670 137 : {
1671 137 : if (flags & TFF_DECL_SPECIFIERS)
1672 131 : pp_cxx_ws_string (pp, "using");
1673 137 : bool variadic = false;
1674 137 : if (!(flags & TFF_UNQUALIFIED_NAME))
1675 : {
1676 137 : tree scope = USING_DECL_SCOPE (t);
1677 137 : tree name = DECL_NAME (t);
1678 137 : if (PACK_EXPANSION_P (scope))
1679 : {
1680 0 : scope = PACK_EXPANSION_PATTERN (scope);
1681 : variadic = true;
1682 : }
1683 137 : if (identifier_p (name)
1684 137 : && IDENTIFIER_CONV_OP_P (name)
1685 0 : && PACK_EXPANSION_P (TREE_TYPE (name)))
1686 : {
1687 0 : name = make_conv_op_name (PACK_EXPANSION_PATTERN
1688 : (TREE_TYPE (name)));
1689 0 : variadic = true;
1690 : }
1691 137 : dump_type (pp, scope, flags);
1692 137 : pp_cxx_colon_colon (pp);
1693 : }
1694 137 : dump_decl (pp, DECL_NAME (t), flags);
1695 137 : if (variadic)
1696 0 : pp_cxx_ws_string (pp, "...");
1697 : }
1698 : break;
1699 :
1700 0 : case STATIC_ASSERT:
1701 0 : pp->declaration (t);
1702 0 : break;
1703 :
1704 58 : case BASELINK:
1705 58 : dump_decl (pp, BASELINK_FUNCTIONS (t), flags);
1706 58 : break;
1707 :
1708 0 : case TEMPLATE_TYPE_PARM:
1709 0 : if (flags & TFF_DECL_SPECIFIERS)
1710 0 : pp->declaration (t);
1711 : else
1712 0 : pp->type_id (t);
1713 : break;
1714 :
1715 9 : case UNBOUND_CLASS_TEMPLATE:
1716 9 : case TYPE_PACK_EXPANSION:
1717 9 : case TREE_BINFO:
1718 9 : dump_type (pp, t, flags);
1719 9 : break;
1720 :
1721 30 : default:
1722 30 : pp_unsupported_tree (pp, t);
1723 : /* Fall through. */
1724 :
1725 51 : case ERROR_MARK:
1726 51 : pp_string (pp, M_("<declaration error>"));
1727 51 : break;
1728 : }
1729 : }
1730 :
1731 : /* Dump a template declaration T under control of FLAGS. This means the
1732 : 'template <...> leaders plus the 'class X' or 'void fn(...)' part. */
1733 :
1734 : static void
1735 471397 : dump_template_decl (cxx_pretty_printer *pp, tree t, int flags)
1736 : {
1737 471397 : tree orig_parms = DECL_TEMPLATE_PARMS (t);
1738 471397 : tree parms;
1739 471397 : int i;
1740 :
1741 471397 : if (flags & TFF_TEMPLATE_HEADER)
1742 : {
1743 8063 : for (parms = orig_parms = nreverse (orig_parms);
1744 16666 : parms;
1745 8603 : parms = TREE_CHAIN (parms))
1746 : {
1747 8603 : tree inner_parms = INNERMOST_TEMPLATE_PARMS (parms);
1748 8603 : int len = TREE_VEC_LENGTH (inner_parms);
1749 :
1750 8603 : if (len == 0)
1751 : {
1752 : /* Skip over the dummy template levels of a template template
1753 : parm. */
1754 298 : gcc_assert (TREE_CODE (TREE_TYPE (t)) == TEMPLATE_TEMPLATE_PARM);
1755 298 : continue;
1756 : }
1757 :
1758 8305 : pp_cxx_ws_string (pp, "template");
1759 8305 : pp_cxx_begin_template_argument_list (pp);
1760 :
1761 : /* If we've shown the template prefix, we'd better show the
1762 : parameters' and decl's type too. */
1763 8305 : flags |= TFF_DECL_SPECIFIERS;
1764 :
1765 20541 : for (i = 0; i < len; i++)
1766 : {
1767 12236 : if (i)
1768 3931 : pp_separate_with_comma (pp);
1769 12236 : dump_template_parameter (pp, TREE_VEC_ELT (inner_parms, i),
1770 : flags);
1771 : }
1772 8305 : pp_cxx_end_template_argument_list (pp);
1773 8305 : pp_cxx_whitespace (pp);
1774 : }
1775 8063 : nreverse(orig_parms);
1776 :
1777 8063 : if (DECL_TEMPLATE_TEMPLATE_PARM_P (t))
1778 : {
1779 : /* Say `template<arg> class TT' not just `template<arg> TT'. */
1780 304 : pp_cxx_ws_string (pp, "class");
1781 :
1782 : /* If this is a parameter pack, print the ellipsis. */
1783 304 : if (TEMPLATE_TYPE_PARAMETER_PACK (TREE_TYPE (t)))
1784 54 : pp_cxx_ws_string (pp, "...");
1785 : }
1786 :
1787 : /* Only print the requirements if we're also printing
1788 : the template header. */
1789 8063 : if (flag_concepts)
1790 7102 : if (tree ci = get_constraints (t))
1791 2480 : if (check_constraint_info (ci))
1792 2480 : if (tree reqs = CI_TEMPLATE_REQS (ci))
1793 : {
1794 2013 : pp_cxx_requires_clause (pp, reqs);
1795 2013 : pp_cxx_whitespace (pp);
1796 : }
1797 : }
1798 :
1799 :
1800 471397 : if (DECL_CLASS_TEMPLATE_P (t))
1801 322375 : dump_type (pp, TREE_TYPE (t),
1802 322375 : ((flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
1803 322375 : | (flags & TFF_DECL_SPECIFIERS ? TFF_CLASS_KEY_OR_ENUM : 0)));
1804 149022 : else if (DECL_TEMPLATE_RESULT (t)
1805 149022 : && (VAR_P (DECL_TEMPLATE_RESULT (t))
1806 : /* Alias template. */
1807 148864 : || DECL_TYPE_TEMPLATE_P (t)
1808 : /* Concept definition. &*/
1809 6553 : || TREE_CODE (DECL_TEMPLATE_RESULT (t)) == CONCEPT_DECL))
1810 142816 : dump_decl (pp, DECL_TEMPLATE_RESULT (t), flags | TFF_TEMPLATE_NAME);
1811 : else
1812 : {
1813 6206 : gcc_assert (TREE_TYPE (t));
1814 6206 : switch (NEXT_CODE (t))
1815 : {
1816 6206 : case METHOD_TYPE:
1817 6206 : case FUNCTION_TYPE:
1818 6206 : dump_function_decl (pp, t, flags | TFF_TEMPLATE_NAME);
1819 6206 : break;
1820 0 : default:
1821 : /* This case can occur with some invalid code. */
1822 0 : dump_type (pp, TREE_TYPE (t),
1823 0 : (flags & ~TFF_CLASS_KEY_OR_ENUM) | TFF_TEMPLATE_NAME
1824 : | (flags & TFF_DECL_SPECIFIERS
1825 0 : ? TFF_CLASS_KEY_OR_ENUM : 0));
1826 : }
1827 : }
1828 471397 : }
1829 :
1830 : /* find_typenames looks through the type of the function template T
1831 : and returns a vec containing any typedefs, decltypes or TYPENAME_TYPEs
1832 : it finds. */
1833 :
1834 : struct find_typenames_t
1835 : {
1836 : hash_set<tree> *p_set;
1837 : vec<tree, va_gc> *typenames;
1838 : };
1839 :
1840 : static tree
1841 293910 : find_typenames_r (tree *tp, int *walk_subtrees, void *data)
1842 : {
1843 293910 : struct find_typenames_t *d = (struct find_typenames_t *)data;
1844 293910 : tree mv = NULL_TREE;
1845 :
1846 293910 : if (TYPE_P (*tp) && is_typedef_decl (TYPE_NAME (*tp)))
1847 : /* Add the type of the typedef without any additional cv-quals. */
1848 9840 : mv = TREE_TYPE (TYPE_NAME (*tp));
1849 284070 : else if (TREE_CODE (*tp) == TYPENAME_TYPE
1850 283549 : || TREE_CODE (*tp) == DECLTYPE_TYPE)
1851 : /* Add the typename without any cv-qualifiers. */
1852 675 : mv = TYPE_MAIN_VARIANT (*tp);
1853 :
1854 293910 : if (PACK_EXPANSION_P (*tp))
1855 : {
1856 : /* Don't mess with parameter packs since we don't remember
1857 : the pack expansion context for a particular typename. */
1858 1916 : *walk_subtrees = false;
1859 1916 : return NULL_TREE;
1860 : }
1861 :
1862 291994 : if (mv && (mv == *tp || !d->p_set->add (mv)))
1863 10499 : vec_safe_push (d->typenames, mv);
1864 :
1865 : return NULL_TREE;
1866 : }
1867 :
1868 : static vec<tree, va_gc> *
1869 36287 : find_typenames (tree t)
1870 : {
1871 36287 : struct find_typenames_t ft;
1872 36287 : ft.p_set = new hash_set<tree>;
1873 36287 : ft.typenames = NULL;
1874 36287 : cp_walk_tree (&TREE_TYPE (DECL_TEMPLATE_RESULT (t)),
1875 : find_typenames_r, &ft, ft.p_set);
1876 72574 : delete ft.p_set;
1877 36287 : return ft.typenames;
1878 : }
1879 :
1880 : /* Output the "[with ...]" clause for a template instantiation T iff
1881 : TEMPLATE_PARMS, TEMPLATE_ARGS and FLAGS are suitable. T may be NULL if
1882 : formatting a deduction/substitution diagnostic rather than an
1883 : instantiation. */
1884 :
1885 : static void
1886 611846 : dump_substitution (cxx_pretty_printer *pp,
1887 : tree t, tree template_parms, tree template_args,
1888 : int flags)
1889 : {
1890 611846 : if (template_parms != NULL_TREE && template_args != NULL_TREE
1891 37838 : && !(flags & TFF_NO_TEMPLATE_BINDINGS))
1892 : {
1893 37838 : vec<tree, va_gc> *typenames = t ? find_typenames (t) : NULL;
1894 37838 : dump_template_bindings (pp, template_parms, template_args, typenames);
1895 : }
1896 611846 : }
1897 :
1898 : /* Dump the lambda function FN including its 'mutable' qualifier and any
1899 : template bindings. */
1900 :
1901 : static void
1902 4494 : dump_lambda_function (cxx_pretty_printer *pp,
1903 : tree fn, tree template_parms, tree template_args,
1904 : int flags)
1905 : {
1906 : /* A lambda's signature is essentially its "type". */
1907 4494 : dump_type (pp, DECL_CONTEXT (fn), flags);
1908 4494 : if (DECL_XOBJ_MEMBER_FUNCTION_P (fn))
1909 : /* Early escape. */;
1910 4468 : else if (TREE_CODE (TREE_TYPE (fn)) == FUNCTION_TYPE)
1911 : {
1912 145 : pp->set_padding (pp_before);
1913 145 : pp_c_ws_string (pp, "static");
1914 : }
1915 4323 : else if (!(TYPE_QUALS (class_of_this_parm (TREE_TYPE (fn)))
1916 4323 : & TYPE_QUAL_CONST))
1917 : {
1918 87 : pp->set_padding (pp_before);
1919 87 : pp_c_ws_string (pp, "mutable");
1920 : }
1921 4494 : dump_substitution (pp, fn, template_parms, template_args, flags);
1922 4494 : }
1923 :
1924 : /* Pretty print a function decl. There are several ways we want to print a
1925 : function declaration. The TFF_ bits in FLAGS tells us how to behave.
1926 : As error can only apply the '#' flag once to give 0 and 1 for V, there
1927 : is %D which doesn't print the throw specs, and %F which does. */
1928 :
1929 : static void
1930 623852 : dump_function_decl (cxx_pretty_printer *pp, tree t, int flags)
1931 : {
1932 623852 : tree fntype;
1933 623852 : tree parmtypes;
1934 623852 : tree cname = NULL_TREE;
1935 623852 : tree template_args = NULL_TREE;
1936 623852 : tree template_parms = NULL_TREE;
1937 623852 : int show_return = flags & TFF_RETURN_TYPE || flags & TFF_DECL_SPECIFIERS;
1938 623852 : int do_outer_scope = ! (flags & TFF_UNQUALIFIED_NAME);
1939 623852 : tree exceptions;
1940 623852 : bool constexpr_p;
1941 623852 : tree ret = NULL_TREE;
1942 :
1943 623852 : int dump_function_name_flags = flags & ~TFF_UNQUALIFIED_NAME;
1944 623852 : flags = dump_function_name_flags & ~TFF_TEMPLATE_NAME;
1945 623852 : if (TREE_CODE (t) == TEMPLATE_DECL)
1946 6206 : t = DECL_TEMPLATE_RESULT (t);
1947 :
1948 : /* Save the exceptions, in case t is a specialization and we are
1949 : emitting an error about incompatible specifications. */
1950 623852 : exceptions = TYPE_RAISES_EXCEPTIONS (TREE_TYPE (t));
1951 :
1952 : /* Likewise for the constexpr specifier, in case t is a specialization. */
1953 623852 : constexpr_p = (DECL_DECLARED_CONSTEXPR_P (t)
1954 623852 : && !decl_implicit_constexpr_p (t));
1955 :
1956 : /* Pretty print template instantiations only. */
1957 926451 : if (DECL_USE_TEMPLATE (t) && DECL_TEMPLATE_INFO (t)
1958 302545 : && !(flags & TFF_NO_TEMPLATE_BINDINGS)
1959 660188 : && flag_pretty_templates)
1960 : {
1961 36309 : tree tmpl;
1962 :
1963 36309 : template_args = DECL_TI_ARGS (t);
1964 36309 : tmpl = most_general_template (t);
1965 36309 : if (tmpl && TREE_CODE (tmpl) == TEMPLATE_DECL)
1966 : {
1967 36287 : template_parms = DECL_TEMPLATE_PARMS (tmpl);
1968 36287 : t = tmpl;
1969 : }
1970 : }
1971 :
1972 631731 : if (DECL_NAME (t) && LAMBDA_FUNCTION_P (t))
1973 4494 : return dump_lambda_function (pp, t, template_parms, template_args, flags);
1974 :
1975 619358 : fntype = TREE_TYPE (t);
1976 619358 : parmtypes = FUNCTION_FIRST_USER_PARMTYPE (t);
1977 :
1978 619358 : if (DECL_CLASS_SCOPE_P (t))
1979 238820 : cname = DECL_CONTEXT (t);
1980 : /* This is for partially instantiated template methods. */
1981 380538 : else if (TREE_CODE (fntype) == METHOD_TYPE)
1982 0 : cname = TREE_TYPE (TREE_VALUE (parmtypes));
1983 :
1984 619358 : if (flags & TFF_DECL_SPECIFIERS)
1985 : {
1986 126321 : if (DECL_STATIC_FUNCTION_P (t))
1987 3567 : pp_cxx_ws_string (pp, "static");
1988 122754 : else if (DECL_VIRTUAL_P (t))
1989 2730 : pp_cxx_ws_string (pp, "virtual");
1990 :
1991 126321 : if (constexpr_p)
1992 : {
1993 79718 : if (DECL_IMMEDIATE_FUNCTION_P (t))
1994 328 : pp_cxx_ws_string (pp, "consteval");
1995 : else
1996 39531 : pp_cxx_ws_string (pp, "constexpr");
1997 : }
1998 : }
1999 :
2000 : /* Print the return type? */
2001 619358 : if (show_return)
2002 378081 : show_return = (!DECL_CONV_FN_P (t) && !DECL_CONSTRUCTOR_P (t)
2003 242534 : && !DECL_DESTRUCTOR_P (t) && !deduction_guide_p (t));
2004 114458 : if (show_return)
2005 : {
2006 114458 : ret = fndecl_declared_return_type (t);
2007 114458 : dump_type_prefix (pp, ret, flags);
2008 : }
2009 :
2010 : /* Print the function name. */
2011 619358 : if (!do_outer_scope)
2012 : /* Nothing. */;
2013 619358 : else if (cname)
2014 : {
2015 238820 : dump_type (pp, cname, flags);
2016 238820 : pp_cxx_colon_colon (pp);
2017 : }
2018 : else
2019 380538 : dump_scope (pp, CP_DECL_CONTEXT (t), flags);
2020 :
2021 : /* Name lookup for the rest of the function declarator is implicitly in the
2022 : scope of the function, so avoid printing redundant scope qualifiers. */
2023 619358 : auto cds = make_temp_override (current_dump_scope, CP_DECL_CONTEXT (t));
2024 :
2025 619358 : dump_function_name (pp, t, dump_function_name_flags);
2026 :
2027 : /* By default we need no padding here, but if we emit target_version or
2028 : target_clones then we need some. */
2029 619358 : pp->set_padding (pp_none);
2030 619358 : pp_cxx_function_target_version (pp, t);
2031 619358 : pp_cxx_maybe_whitespace (pp);
2032 619358 : pp_cxx_function_target_clones (pp, t);
2033 619358 : pp_cxx_maybe_whitespace (pp);
2034 :
2035 619358 : if (!(flags & TFF_NO_FUNCTION_ARGUMENTS))
2036 : {
2037 605801 : int const parm_flags
2038 605801 : = DECL_XOBJ_MEMBER_FUNCTION_P (t) ? TFF_XOBJ_FUNC | flags : flags;
2039 605801 : dump_parameters (pp, parmtypes, parm_flags);
2040 :
2041 605801 : if (TREE_CODE (fntype) == METHOD_TYPE)
2042 : {
2043 231951 : pp->set_padding (pp_before);
2044 231951 : pp_cxx_cv_qualifier_seq (pp, class_of_this_parm (fntype));
2045 231951 : dump_ref_qualifier (pp, fntype, flags);
2046 : }
2047 :
2048 605801 : if (tx_safe_fn_type_p (fntype))
2049 : {
2050 18 : pp->set_padding (pp_before);
2051 18 : pp_cxx_ws_string (pp, "transaction_safe");
2052 : }
2053 :
2054 605801 : if (flags & TFF_EXCEPTION_SPECIFICATION)
2055 : {
2056 350 : pp->set_padding (pp_before);
2057 350 : dump_exception_spec (pp, exceptions, flags);
2058 : }
2059 :
2060 605801 : if (show_return)
2061 114458 : dump_type_suffix (pp, ret, flags);
2062 491343 : else if (deduction_guide_p (t))
2063 : {
2064 668 : pp->set_padding (pp_before);
2065 668 : pp_cxx_ws_string (pp, "->");
2066 668 : dump_type (pp, TREE_TYPE (TREE_TYPE (t)), flags);
2067 : }
2068 :
2069 605801 : if (flag_concepts)
2070 578993 : if (tree ci = get_constraints (t))
2071 46306 : if (tree reqs = CI_DECLARATOR_REQS (ci))
2072 13055 : pp_cxx_requires_clause (pp, reqs);
2073 :
2074 605801 : dump_substitution (pp, t, template_parms, template_args, flags);
2075 :
2076 1211602 : if (tree base = DECL_INHERITED_CTOR_BASE (t))
2077 : {
2078 71 : pp_cxx_ws_string (pp, "[inherited from");
2079 71 : dump_type (pp, base, TFF_PLAIN_IDENTIFIER);
2080 71 : pp_character (pp, ']');
2081 : }
2082 : }
2083 13557 : else if (template_args)
2084 : {
2085 0 : bool need_comma = false;
2086 0 : int i;
2087 0 : pp_cxx_begin_template_argument_list (pp);
2088 0 : template_args = INNERMOST_TEMPLATE_ARGS (template_args);
2089 0 : for (i = 0; i < TREE_VEC_LENGTH (template_args); ++i)
2090 : {
2091 0 : tree arg = TREE_VEC_ELT (template_args, i);
2092 0 : if (need_comma)
2093 0 : pp_separate_with_comma (pp);
2094 0 : if (ARGUMENT_PACK_P (arg))
2095 0 : pp_cxx_left_brace (pp);
2096 0 : dump_template_argument (pp, arg, TFF_PLAIN_IDENTIFIER);
2097 0 : if (ARGUMENT_PACK_P (arg))
2098 0 : pp_cxx_right_brace (pp);
2099 0 : need_comma = true;
2100 : }
2101 0 : pp_cxx_end_template_argument_list (pp);
2102 : }
2103 619358 : }
2104 :
2105 : /* Print a parameter list. If this is for a member function, the
2106 : member object ptr (and any other hidden args) should have
2107 : already been removed. */
2108 :
2109 : static void
2110 1653095 : dump_parameters (cxx_pretty_printer *pp, tree parmtypes, int flags)
2111 : {
2112 1653095 : int first = 1;
2113 1653095 : flags &= ~TFF_SCOPE;
2114 1653095 : pp_cxx_left_paren (pp);
2115 :
2116 5400390 : for (first = 1; parmtypes != void_list_node;
2117 2094200 : parmtypes = TREE_CHAIN (parmtypes))
2118 : {
2119 2096384 : if (first && flags & TFF_XOBJ_FUNC)
2120 1057 : pp_string (pp, "this ");
2121 1036315 : if (!first)
2122 1036315 : pp_separate_with_comma (pp);
2123 2096384 : first = 0;
2124 2096384 : if (!parmtypes)
2125 : {
2126 2184 : pp_cxx_ws_string (pp, "...");
2127 2184 : break;
2128 : }
2129 :
2130 2094200 : dump_type (pp, TREE_VALUE (parmtypes), flags);
2131 :
2132 2094215 : if ((flags & TFF_FUNCTION_DEFAULT_ARGUMENTS) && TREE_PURPOSE (parmtypes))
2133 : {
2134 6 : pp_cxx_whitespace (pp);
2135 6 : pp_equal (pp);
2136 6 : pp_cxx_whitespace (pp);
2137 6 : dump_expr (pp, TREE_PURPOSE (parmtypes), flags | TFF_EXPR_IN_PARENS);
2138 : }
2139 : }
2140 :
2141 1653095 : pp_cxx_right_paren (pp);
2142 1653095 : }
2143 :
2144 : /* Print ref-qualifier of a FUNCTION_TYPE or METHOD_TYPE. FLAGS are ignored. */
2145 :
2146 : static void
2147 890968 : dump_ref_qualifier (cxx_pretty_printer *pp, tree t, int flags ATTRIBUTE_UNUSED)
2148 : {
2149 890968 : if (FUNCTION_REF_QUALIFIED (t))
2150 : {
2151 1240 : pp->set_padding (pp_before);
2152 1240 : if (FUNCTION_RVALUE_QUALIFIED (t))
2153 381 : pp_cxx_ws_string (pp, "&&");
2154 : else
2155 859 : pp_cxx_ws_string (pp, "&");
2156 : }
2157 890968 : }
2158 :
2159 : /* Print an exception specification. T is the exception specification. */
2160 :
2161 : static void
2162 659370 : dump_exception_spec (cxx_pretty_printer *pp, tree t, int flags)
2163 : {
2164 664279 : if (t && TREE_PURPOSE (t))
2165 : {
2166 4811 : pp_cxx_ws_string (pp, "noexcept");
2167 4811 : if (!integer_onep (TREE_PURPOSE (t)))
2168 : {
2169 97 : pp_cxx_whitespace (pp);
2170 97 : pp_cxx_left_paren (pp);
2171 97 : if (DEFERRED_NOEXCEPT_SPEC_P (t))
2172 3 : pp_cxx_ws_string (pp, "<uninstantiated>");
2173 : else
2174 94 : dump_expr (pp, TREE_PURPOSE (t), flags);
2175 97 : pp_cxx_right_paren (pp);
2176 : }
2177 : }
2178 654559 : else if (t)
2179 : {
2180 98 : pp_cxx_ws_string (pp, "throw");
2181 98 : pp_cxx_whitespace (pp);
2182 98 : pp_cxx_left_paren (pp);
2183 98 : if (TREE_VALUE (t) != NULL_TREE)
2184 73 : while (1)
2185 : {
2186 61 : dump_type (pp, TREE_VALUE (t), flags);
2187 61 : t = TREE_CHAIN (t);
2188 61 : if (!t)
2189 : break;
2190 12 : pp_separate_with_comma (pp);
2191 : }
2192 98 : pp_cxx_right_paren (pp);
2193 : }
2194 659370 : }
2195 :
2196 : /* Handle the function name for a FUNCTION_DECL node, grokking operators
2197 : and destructors properly. */
2198 :
2199 : static void
2200 96924661 : dump_function_name (cxx_pretty_printer *pp, tree t, int flags)
2201 : {
2202 : /* Only colorize when we're printing something before the name; in
2203 : particular, not when printing a CALL_EXPR. */
2204 96924661 : bool colorize = flags & (TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE
2205 : | TFF_TEMPLATE_HEADER);
2206 :
2207 96924661 : colorize_guard g (colorize, pp, "fnname");
2208 :
2209 96924661 : tree name = DECL_NAME (t);
2210 :
2211 : /* We can get here with a decl that was synthesized by language-
2212 : independent machinery (e.g. coverage.cc) in which case it won't
2213 : have a lang_specific structure attached and DECL_CONSTRUCTOR_P
2214 : will crash. In this case it is safe just to print out the
2215 : literal name. */
2216 96924661 : if (!DECL_LANG_SPECIFIC (t))
2217 : {
2218 6230 : pp_cxx_tree_identifier (pp, name);
2219 6230 : return;
2220 : }
2221 :
2222 96918431 : if (TREE_CODE (t) == TEMPLATE_DECL)
2223 35522 : t = DECL_TEMPLATE_RESULT (t);
2224 :
2225 : /* Don't let the user see __comp_ctor et al. */
2226 96918431 : if (DECL_CONSTRUCTOR_P (t)
2227 96918431 : || DECL_DESTRUCTOR_P (t))
2228 : {
2229 38822520 : if (LAMBDA_TYPE_P (DECL_CONTEXT (t)))
2230 790149 : name = get_identifier ("<lambda>");
2231 37271360 : else if (TYPE_UNNAMED_P (DECL_CONTEXT (t)))
2232 110 : name = get_identifier ("<constructor>");
2233 : else
2234 18635515 : name = constructor_name (DECL_CONTEXT (t));
2235 : }
2236 :
2237 193836862 : if (DECL_DESTRUCTOR_P (t))
2238 : {
2239 2502568 : pp_cxx_complement (pp);
2240 2502568 : dump_decl (pp, name, TFF_PLAIN_IDENTIFIER);
2241 : }
2242 94415863 : else if (DECL_CONV_FN_P (t))
2243 : {
2244 : /* This cannot use the hack that the operator's return
2245 : type is stashed off of its name because it may be
2246 : used for error reporting. In the case of conflicting
2247 : declarations, both will have the same name, yet
2248 : the types will be different, hence the TREE_TYPE field
2249 : of the first name will be clobbered by the second. */
2250 1631554 : pp_cxx_ws_string (pp, "operator");
2251 1631554 : dump_type (pp, TREE_TYPE (TREE_TYPE (t)), flags);
2252 : }
2253 : else
2254 92784309 : dump_decl (pp, name, flags);
2255 :
2256 96918431 : dump_module_suffix (pp, t);
2257 :
2258 96918431 : if (DECL_TEMPLATE_INFO (t)
2259 75053479 : && !(flags & TFF_TEMPLATE_NAME)
2260 75047590 : && !DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)
2261 171913732 : && (TREE_CODE (DECL_TI_TEMPLATE (t)) != TEMPLATE_DECL
2262 74995279 : || PRIMARY_TEMPLATE_P (DECL_TI_TEMPLATE (t))))
2263 579976 : dump_template_parms (pp, DECL_TEMPLATE_INFO (t), !DECL_USE_TEMPLATE (t),
2264 : flags);
2265 96924661 : }
2266 :
2267 : /* Dump the template parameters from the template info INFO under control of
2268 : FLAGS. PRIMARY indicates whether this is a primary template decl, or
2269 : specialization (partial or complete). For partial specializations we show
2270 : the specialized parameter values. For a primary template we show no
2271 : decoration. */
2272 :
2273 : static void
2274 105218043 : dump_template_parms (cxx_pretty_printer *pp, tree info,
2275 : int primary, int flags)
2276 : {
2277 210436086 : tree args = info ? TI_ARGS (info) : NULL_TREE;
2278 :
2279 105218043 : if (primary && flags & TFF_TEMPLATE_NAME)
2280 : return;
2281 104895632 : flags &= ~(TFF_CLASS_KEY_OR_ENUM | TFF_TEMPLATE_NAME);
2282 104895632 : pp_cxx_begin_template_argument_list (pp);
2283 :
2284 : /* Be careful only to print things when we have them, so as not
2285 : to crash producing error messages. */
2286 104895632 : if (args && !primary)
2287 : {
2288 104873321 : int len, ix;
2289 104873321 : len = get_non_default_template_args_count (args, flags);
2290 :
2291 104873321 : args = INNERMOST_TEMPLATE_ARGS (args);
2292 271775366 : for (ix = 0; ix != len; ix++)
2293 : {
2294 166902045 : tree arg = TREE_VEC_ELT (args, ix);
2295 :
2296 : /* Only print a comma if we know there is an argument coming. In
2297 : the case of an empty template argument pack, no actual
2298 : argument will be printed. */
2299 166902045 : if (ix
2300 166902045 : && (!ARGUMENT_PACK_P (arg)
2301 3162842 : || TREE_VEC_LENGTH (ARGUMENT_PACK_ARGS (arg)) > 0))
2302 61645107 : pp_separate_with_comma (pp);
2303 :
2304 166902045 : if (!arg)
2305 0 : pp_string (pp, M_("<template parameter error>"));
2306 : else
2307 166902045 : dump_template_argument (pp, arg, flags);
2308 : }
2309 : }
2310 22311 : else if (primary)
2311 : {
2312 22305 : tree tpl = TI_TEMPLATE (info);
2313 22305 : tree parms = DECL_TEMPLATE_PARMS (tpl);
2314 22305 : int len, ix;
2315 :
2316 22305 : parms = TREE_CODE (parms) == TREE_LIST ? TREE_VALUE (parms) : NULL_TREE;
2317 44610 : len = parms ? TREE_VEC_LENGTH (parms) : 0;
2318 :
2319 59787 : for (ix = 0; ix != len; ix++)
2320 : {
2321 37482 : tree parm;
2322 :
2323 37482 : if (TREE_VEC_ELT (parms, ix) == error_mark_node)
2324 : {
2325 0 : pp_string (pp, M_("<template parameter error>"));
2326 0 : continue;
2327 : }
2328 :
2329 37482 : parm = TREE_VALUE (TREE_VEC_ELT (parms, ix));
2330 :
2331 37482 : if (ix)
2332 15177 : pp_separate_with_comma (pp);
2333 :
2334 37482 : dump_decl (pp, parm, flags & ~TFF_DECL_SPECIFIERS);
2335 : }
2336 : }
2337 104895632 : pp_cxx_end_template_argument_list (pp);
2338 : }
2339 :
2340 : /* Print out the arguments of CALL_EXPR T as a parenthesized list using
2341 : flags FLAGS. Skip over the first argument if SKIPFIRST is true. */
2342 :
2343 : static void
2344 5310 : dump_call_expr_args (cxx_pretty_printer *pp, tree t, int flags, bool skipfirst)
2345 : {
2346 5310 : const int len = call_expr_nargs (t);
2347 :
2348 5310 : pp_cxx_left_paren (pp);
2349 10290 : for (int i = skipfirst; i < len; ++i)
2350 : {
2351 4980 : tree arg = get_nth_callarg (t, i);
2352 4980 : dump_expr (pp, arg, flags | TFF_EXPR_IN_PARENS);
2353 4980 : if (i + 1 < len)
2354 1477 : pp_separate_with_comma (pp);
2355 : }
2356 5310 : pp_cxx_right_paren (pp);
2357 5310 : }
2358 :
2359 : /* Print out a list of initializers (subr of dump_expr). */
2360 :
2361 : static void
2362 208 : dump_expr_list (cxx_pretty_printer *pp, tree l, int flags)
2363 : {
2364 236 : while (l)
2365 : {
2366 126 : dump_expr (pp, TREE_VALUE (l), flags | TFF_EXPR_IN_PARENS);
2367 126 : l = TREE_CHAIN (l);
2368 126 : if (l)
2369 28 : pp_separate_with_comma (pp);
2370 : }
2371 208 : }
2372 :
2373 : /* Print out a vector of initializers (subr of dump_expr). */
2374 :
2375 : static void
2376 12335 : dump_expr_init_vec (cxx_pretty_printer *pp, vec<constructor_elt, va_gc> *v,
2377 : int flags)
2378 : {
2379 12335 : unsigned HOST_WIDE_INT idx;
2380 12335 : tree value;
2381 :
2382 27433 : FOR_EACH_CONSTRUCTOR_VALUE (v, idx, value)
2383 : {
2384 15098 : if (TREE_CODE (value) == RAW_DATA_CST)
2385 0 : for (unsigned i = 0; i < (unsigned) RAW_DATA_LENGTH (value); ++i)
2386 : {
2387 0 : if (TYPE_UNSIGNED (TREE_TYPE (value))
2388 0 : || TYPE_PRECISION (TREE_TYPE (value)) > CHAR_BIT)
2389 0 : pp_decimal_int (pp, RAW_DATA_UCHAR_ELT (value, i));
2390 : else
2391 0 : pp_decimal_int (pp, RAW_DATA_SCHAR_ELT (value, i));
2392 0 : if (i == RAW_DATA_LENGTH (value) - 1U)
2393 : break;
2394 0 : else if (i == 9 && RAW_DATA_LENGTH (value) > 20)
2395 : {
2396 0 : pp_string (pp, ", ..., ");
2397 0 : i = RAW_DATA_LENGTH (value) - 11;
2398 : }
2399 : else
2400 0 : pp_separate_with_comma (pp);
2401 : }
2402 : else
2403 15098 : dump_expr (pp, value, flags | TFF_EXPR_IN_PARENS);
2404 15098 : if (idx != v->length () - 1)
2405 2790 : pp_separate_with_comma (pp);
2406 : }
2407 12335 : }
2408 :
2409 :
2410 : /* We've gotten an indirect REFERENCE (an OBJ_TYPE_REF) to a virtual
2411 : function. Resolve it to a close relative -- in the sense of static
2412 : type -- variant being overridden. That is close to what was written in
2413 : the source code. Subroutine of dump_expr. */
2414 :
2415 : static tree
2416 143 : resolve_virtual_fun_from_obj_type_ref (tree ref)
2417 : {
2418 143 : tree obj_type = TREE_TYPE (OBJ_TYPE_REF_TOKEN (ref));
2419 143 : HOST_WIDE_INT index = tree_to_uhwi (OBJ_TYPE_REF_TOKEN (ref));
2420 143 : tree fun = BINFO_VIRTUALS (TYPE_BINFO (TREE_TYPE (obj_type)));
2421 280 : while (index)
2422 : {
2423 137 : fun = TREE_CHAIN (fun);
2424 137 : index -= (TARGET_VTABLE_USES_DESCRIPTORS
2425 : ? TARGET_VTABLE_USES_DESCRIPTORS : 1);
2426 : }
2427 :
2428 143 : return BV_FN (fun);
2429 : }
2430 :
2431 : /* Print out an expression E under control of FLAGS. */
2432 :
2433 : static void
2434 25135922 : dump_expr (cxx_pretty_printer *pp, tree t, int flags)
2435 : {
2436 25154198 : tree op;
2437 :
2438 25154198 : if (t == 0)
2439 : return;
2440 :
2441 25154174 : if (STATEMENT_CLASS_P (t))
2442 : {
2443 15 : pp_cxx_ws_string (pp, M_("<statement>"));
2444 15 : return;
2445 : }
2446 :
2447 25154159 : switch (TREE_CODE (t))
2448 : {
2449 60600 : case VAR_DECL:
2450 60600 : case PARM_DECL:
2451 60600 : case FIELD_DECL:
2452 60600 : case CONST_DECL:
2453 60600 : case FUNCTION_DECL:
2454 60600 : case TEMPLATE_DECL:
2455 60600 : case NAMESPACE_DECL:
2456 60600 : case LABEL_DECL:
2457 60600 : case OVERLOAD:
2458 60600 : case TYPE_DECL:
2459 60600 : case USING_DECL:
2460 60600 : case IDENTIFIER_NODE:
2461 60600 : dump_decl (pp, t, ((flags & ~(TFF_DECL_SPECIFIERS|TFF_RETURN_TYPE
2462 : |TFF_TEMPLATE_HEADER))
2463 : | TFF_NO_TEMPLATE_BINDINGS
2464 60600 : | TFF_NO_FUNCTION_ARGUMENTS));
2465 60600 : break;
2466 :
2467 6406 : case SSA_NAME:
2468 6406 : if (SSA_NAME_VAR (t)
2469 6334 : && !DECL_ARTIFICIAL (SSA_NAME_VAR (t)))
2470 : dump_expr (pp, SSA_NAME_VAR (t), flags);
2471 : else
2472 72 : pp_cxx_ws_string (pp, M_("<unknown>"));
2473 : break;
2474 :
2475 25034665 : case VOID_CST:
2476 25034665 : case INTEGER_CST:
2477 25034665 : case REAL_CST:
2478 25034665 : case STRING_CST:
2479 25034665 : case COMPLEX_CST:
2480 25034665 : pp->constant (t);
2481 25034665 : break;
2482 :
2483 0 : case USERDEF_LITERAL:
2484 0 : pp_cxx_userdef_literal (pp, t);
2485 0 : break;
2486 :
2487 115 : case THROW_EXPR:
2488 : /* While waiting for caret diagnostics, avoid printing
2489 : __cxa_allocate_exception, __cxa_throw, and the like. */
2490 115 : pp_cxx_ws_string (pp, M_("<throw-expression>"));
2491 115 : break;
2492 :
2493 496 : case PTRMEM_CST:
2494 496 : pp_ampersand (pp);
2495 496 : dump_type (pp, PTRMEM_CST_CLASS (t), flags);
2496 496 : pp_cxx_colon_colon (pp);
2497 496 : pp_cxx_tree_identifier (pp, DECL_NAME (PTRMEM_CST_MEMBER (t)));
2498 496 : break;
2499 :
2500 323 : case COMPOUND_EXPR:
2501 323 : pp_cxx_left_paren (pp);
2502 323 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2503 323 : pp_separate_with_comma (pp);
2504 323 : dump_expr (pp, TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
2505 323 : pp_cxx_right_paren (pp);
2506 323 : break;
2507 :
2508 53 : case COND_EXPR:
2509 53 : case VEC_COND_EXPR:
2510 53 : pp_cxx_left_paren (pp);
2511 53 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2512 53 : pp_string (pp, " ? ");
2513 53 : dump_expr (pp, TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
2514 53 : pp_string (pp, " : ");
2515 53 : dump_expr (pp, TREE_OPERAND (t, 2), flags | TFF_EXPR_IN_PARENS);
2516 53 : pp_cxx_right_paren (pp);
2517 53 : break;
2518 :
2519 248 : case SAVE_EXPR:
2520 248 : if (TREE_HAS_CONSTRUCTOR (t))
2521 : {
2522 0 : pp_cxx_ws_string (pp, "new");
2523 0 : pp_cxx_whitespace (pp);
2524 0 : dump_type (pp, TREE_TYPE (TREE_TYPE (t)), flags);
2525 : }
2526 : else
2527 248 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2528 : break;
2529 :
2530 5310 : case AGGR_INIT_EXPR:
2531 5310 : case CALL_EXPR:
2532 5310 : {
2533 5310 : tree fn = cp_get_callee (t);
2534 5310 : bool skipfirst = false;
2535 :
2536 : /* Deal with internal functions. */
2537 5310 : if (fn == NULL_TREE)
2538 : {
2539 3 : pp_string (pp, internal_fn_name (CALL_EXPR_IFN (t)));
2540 3 : dump_call_expr_args (pp, t, flags, skipfirst);
2541 3 : break;
2542 : }
2543 :
2544 5307 : if (TREE_CODE (fn) == ADDR_EXPR)
2545 4525 : fn = TREE_OPERAND (fn, 0);
2546 :
2547 : /* Nobody is interested in seeing the guts of vcalls. */
2548 5307 : if (TREE_CODE (fn) == OBJ_TYPE_REF)
2549 137 : fn = resolve_virtual_fun_from_obj_type_ref (fn);
2550 :
2551 5307 : if (TREE_TYPE (fn) != NULL_TREE
2552 5095 : && NEXT_CODE (fn) == METHOD_TYPE
2553 7286 : && call_expr_nargs (t))
2554 : {
2555 1976 : tree ob = get_nth_callarg (t, 0);
2556 1976 : if (is_dummy_object (ob))
2557 : /* Don't print dummy object. */;
2558 1517 : else if (TREE_CODE (ob) == ADDR_EXPR)
2559 : {
2560 949 : dump_expr (pp, TREE_OPERAND (ob, 0),
2561 : flags | TFF_EXPR_IN_PARENS);
2562 949 : pp_cxx_dot (pp);
2563 : }
2564 568 : else if (!is_this_parameter (ob))
2565 : {
2566 568 : dump_expr (pp, ob, flags | TFF_EXPR_IN_PARENS);
2567 568 : pp_cxx_arrow (pp);
2568 : }
2569 : skipfirst = true;
2570 : }
2571 5307 : if (flag_sanitize & SANITIZE_UNDEFINED
2572 5307 : && is_ubsan_builtin_p (fn))
2573 : {
2574 0 : pp_string (cxx_pp, M_("<ubsan routine call>"));
2575 0 : break;
2576 : }
2577 :
2578 5307 : if (TREE_CODE (fn) == FUNCTION_DECL
2579 4694 : && DECL_CONSTRUCTOR_P (fn)
2580 5964 : && is_dummy_object (get_nth_callarg (t, 0)))
2581 459 : dump_type (pp, DECL_CONTEXT (fn), flags);
2582 : else
2583 4848 : dump_expr (pp, fn, flags | TFF_EXPR_IN_PARENS);
2584 5307 : dump_call_expr_args (pp, t, flags, skipfirst);
2585 : }
2586 5307 : break;
2587 :
2588 1295 : case TARGET_EXPR:
2589 : /* Note that this only works for G++ target exprs. If somebody
2590 : builds a general TARGET_EXPR, there's no way to represent that
2591 : it initializes anything other that the parameter slot for the
2592 : default argument. Note we may have cleared out the first
2593 : operand in expand_expr, so don't go killing ourselves. */
2594 1295 : if (TARGET_EXPR_INITIAL (t))
2595 1295 : dump_expr (pp, TARGET_EXPR_INITIAL (t), flags | TFF_EXPR_IN_PARENS);
2596 : break;
2597 :
2598 296 : case POINTER_PLUS_EXPR:
2599 296 : dump_binary_op (pp, "+", t, flags);
2600 296 : break;
2601 :
2602 2 : case POINTER_DIFF_EXPR:
2603 2 : dump_binary_op (pp, "-", t, flags);
2604 2 : break;
2605 :
2606 24 : case INIT_EXPR:
2607 24 : case MODIFY_EXPR:
2608 24 : dump_binary_op (pp, OVL_OP_INFO (true, NOP_EXPR)->name, t, flags);
2609 24 : break;
2610 :
2611 1595 : case PLUS_EXPR:
2612 1595 : case MINUS_EXPR:
2613 1595 : case MULT_EXPR:
2614 1595 : case TRUNC_DIV_EXPR:
2615 1595 : case TRUNC_MOD_EXPR:
2616 1595 : case MIN_EXPR:
2617 1595 : case MAX_EXPR:
2618 1595 : case LSHIFT_EXPR:
2619 1595 : case RSHIFT_EXPR:
2620 1595 : case BIT_IOR_EXPR:
2621 1595 : case BIT_XOR_EXPR:
2622 1595 : case BIT_AND_EXPR:
2623 1595 : case TRUTH_ANDIF_EXPR:
2624 1595 : case TRUTH_ORIF_EXPR:
2625 1595 : case LT_EXPR:
2626 1595 : case LE_EXPR:
2627 1595 : case GT_EXPR:
2628 1595 : case GE_EXPR:
2629 1595 : case EQ_EXPR:
2630 1595 : case NE_EXPR:
2631 1595 : case SPACESHIP_EXPR:
2632 1595 : case EXACT_DIV_EXPR:
2633 1595 : dump_binary_op (pp, OVL_OP_INFO (false, TREE_CODE (t))->name, t, flags);
2634 1595 : break;
2635 :
2636 7 : case CEIL_DIV_EXPR:
2637 7 : case FLOOR_DIV_EXPR:
2638 7 : case ROUND_DIV_EXPR:
2639 7 : case RDIV_EXPR:
2640 7 : dump_binary_op (pp, "/", t, flags);
2641 7 : break;
2642 :
2643 0 : case CEIL_MOD_EXPR:
2644 0 : case FLOOR_MOD_EXPR:
2645 0 : case ROUND_MOD_EXPR:
2646 0 : dump_binary_op (pp, "%", t, flags);
2647 0 : break;
2648 :
2649 1786 : case COMPONENT_REF:
2650 1786 : {
2651 1786 : tree ob = TREE_OPERAND (t, 0);
2652 1786 : if (INDIRECT_REF_P (ob))
2653 : {
2654 798 : ob = TREE_OPERAND (ob, 0);
2655 798 : if (!is_this_parameter (ob)
2656 798 : && !is_dummy_object (ob))
2657 : {
2658 774 : dump_expr (pp, ob, flags | TFF_EXPR_IN_PARENS);
2659 774 : if (TYPE_REF_P (TREE_TYPE (ob)))
2660 203 : pp_cxx_dot (pp);
2661 : else
2662 571 : pp_cxx_arrow (pp);
2663 : }
2664 : }
2665 : else
2666 : {
2667 988 : dump_expr (pp, ob, flags | TFF_EXPR_IN_PARENS);
2668 988 : if (TREE_CODE (ob) != ARROW_EXPR)
2669 985 : pp_cxx_dot (pp);
2670 : }
2671 1786 : dump_expr (pp, TREE_OPERAND (t, 1), flags & ~TFF_EXPR_IN_PARENS);
2672 : }
2673 1786 : break;
2674 :
2675 257 : case ARRAY_REF:
2676 257 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2677 257 : pp_cxx_left_bracket (pp);
2678 257 : dump_expr (pp, TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
2679 257 : pp_cxx_right_bracket (pp);
2680 257 : break;
2681 :
2682 33 : case OMP_ARRAY_SECTION:
2683 33 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
2684 33 : pp_cxx_left_bracket (pp);
2685 33 : dump_expr (pp, TREE_OPERAND (t, 1), flags);
2686 33 : pp_colon (pp);
2687 33 : dump_expr (pp, TREE_OPERAND (t, 2), flags);
2688 33 : pp_cxx_right_bracket (pp);
2689 33 : break;
2690 :
2691 0 : case UNARY_PLUS_EXPR:
2692 0 : dump_unary_op (pp, "+", t, flags);
2693 0 : break;
2694 :
2695 1769 : case ADDR_EXPR:
2696 1769 : if (TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL
2697 1036 : || TREE_CODE (TREE_OPERAND (t, 0)) == STRING_CST
2698 : /* An ADDR_EXPR can have reference type. In that case, we
2699 : shouldn't print the `&' doing so indicates to the user
2700 : that the expression has pointer type. */
2701 2735 : || (TREE_TYPE (t)
2702 966 : && TYPE_REF_P (TREE_TYPE (t))))
2703 827 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2704 942 : else if (TREE_CODE (TREE_OPERAND (t, 0)) == LABEL_DECL)
2705 3 : dump_unary_op (pp, "&&", t, flags);
2706 : else
2707 939 : dump_unary_op (pp, "&", t, flags);
2708 : break;
2709 :
2710 676 : case INDIRECT_REF:
2711 676 : if (TREE_HAS_CONSTRUCTOR (t))
2712 : {
2713 0 : t = TREE_OPERAND (t, 0);
2714 0 : gcc_assert (TREE_CODE (t) == CALL_EXPR);
2715 0 : dump_expr (pp, CALL_EXPR_FN (t), flags | TFF_EXPR_IN_PARENS);
2716 0 : dump_call_expr_args (pp, t, flags, true);
2717 : }
2718 676 : else if (is_stub_object (t))
2719 : {
2720 18 : pp_string (pp, "std::declval<");
2721 18 : if (lvalue_p (t)) /* T& */
2722 0 : dump_type (pp, TREE_TYPE (STRIP_REFERENCE_REF (t)), flags);
2723 : else /* T */
2724 18 : dump_type (pp, TREE_TYPE (t), flags);
2725 18 : pp_string (pp, ">()");
2726 : }
2727 : else
2728 : {
2729 658 : if (TREE_OPERAND (t,0) != NULL_TREE
2730 658 : && TREE_TYPE (TREE_OPERAND (t, 0))
2731 1308 : && NEXT_CODE (TREE_OPERAND (t, 0)) == REFERENCE_TYPE)
2732 392 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
2733 : else
2734 266 : dump_unary_op (pp, "*", t, flags);
2735 : }
2736 : break;
2737 :
2738 570 : case MEM_REF:
2739 : /* Delegate to the base "C" pretty printer. */
2740 570 : pp->c_pretty_printer::unary_expression (t);
2741 570 : break;
2742 :
2743 0 : case TARGET_MEM_REF:
2744 : /* TARGET_MEM_REF can't appear directly from source, but can appear
2745 : during late GIMPLE optimizations and through late diagnostic we might
2746 : need to support it. Print it as dereferencing of a pointer after
2747 : cast to the TARGET_MEM_REF type, with pointer arithmetics on some
2748 : pointer to single byte types, so
2749 : *(type *)((char *) ptr + step * index + index2) if all the operands
2750 : are present and the casts are needed. */
2751 0 : pp_cxx_star (pp);
2752 0 : pp_cxx_left_paren (pp);
2753 0 : if (TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (TMR_BASE (t)))) == NULL_TREE
2754 0 : || !integer_onep (TYPE_SIZE_UNIT
2755 : (TREE_TYPE (TREE_TYPE (TMR_BASE (t))))))
2756 : {
2757 0 : if (TYPE_SIZE_UNIT (TREE_TYPE (t))
2758 0 : && integer_onep (TYPE_SIZE_UNIT (TREE_TYPE (t))))
2759 : {
2760 0 : pp_cxx_left_paren (pp);
2761 0 : dump_type (pp, build_pointer_type (TREE_TYPE (t)), flags);
2762 : }
2763 : else
2764 : {
2765 0 : dump_type (pp, build_pointer_type (TREE_TYPE (t)), flags);
2766 0 : pp_cxx_right_paren (pp);
2767 0 : pp_cxx_left_paren (pp);
2768 0 : pp_cxx_left_paren (pp);
2769 0 : dump_type (pp, build_pointer_type (char_type_node), flags);
2770 : }
2771 0 : pp_cxx_right_paren (pp);
2772 : }
2773 0 : else if (!same_type_p (TREE_TYPE (t),
2774 : TREE_TYPE (TREE_TYPE (TMR_BASE (t)))))
2775 : {
2776 0 : dump_type (pp, build_pointer_type (TREE_TYPE (t)), flags);
2777 0 : pp_cxx_right_paren (pp);
2778 0 : pp_cxx_left_paren (pp);
2779 : }
2780 0 : dump_expr (pp, TMR_BASE (t), flags);
2781 0 : if (TMR_STEP (t) && TMR_INDEX (t))
2782 : {
2783 0 : pp_cxx_ws_string (pp, "+");
2784 0 : dump_expr (pp, TMR_INDEX (t), flags);
2785 0 : pp_cxx_ws_string (pp, "*");
2786 0 : dump_expr (pp, TMR_STEP (t), flags);
2787 : }
2788 0 : if (TMR_INDEX2 (t))
2789 : {
2790 0 : pp_cxx_ws_string (pp, "+");
2791 0 : dump_expr (pp, TMR_INDEX2 (t), flags);
2792 : }
2793 0 : if (!integer_zerop (TMR_OFFSET (t)))
2794 : {
2795 0 : pp_cxx_ws_string (pp, "+");
2796 0 : dump_expr (pp, fold_convert (ssizetype, TMR_OFFSET (t)), flags);
2797 : }
2798 0 : pp_cxx_right_paren (pp);
2799 0 : break;
2800 :
2801 221 : case NEGATE_EXPR:
2802 221 : case BIT_NOT_EXPR:
2803 221 : case TRUTH_NOT_EXPR:
2804 221 : case PREDECREMENT_EXPR:
2805 221 : case PREINCREMENT_EXPR:
2806 221 : dump_unary_op (pp, OVL_OP_INFO (false, TREE_CODE (t))->name, t, flags);
2807 221 : break;
2808 :
2809 0 : case POSTDECREMENT_EXPR:
2810 0 : case POSTINCREMENT_EXPR:
2811 0 : pp_cxx_left_paren (pp);
2812 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2813 0 : pp_cxx_ws_string (pp, OVL_OP_INFO (false, TREE_CODE (t))->name);
2814 0 : pp_cxx_right_paren (pp);
2815 0 : break;
2816 :
2817 1541 : case NON_LVALUE_EXPR:
2818 : /* FIXME: This is a KLUDGE workaround for a parsing problem. There
2819 : should be another level of INDIRECT_REF so that I don't have to do
2820 : this. */
2821 1541 : if (TREE_TYPE (t) != NULL_TREE && NEXT_CODE (t) == POINTER_TYPE)
2822 : {
2823 21 : tree next = TREE_TYPE (TREE_TYPE (t));
2824 :
2825 21 : while (TYPE_PTR_P (next))
2826 0 : next = TREE_TYPE (next);
2827 :
2828 21 : if (TREE_CODE (next) == FUNCTION_TYPE)
2829 : {
2830 0 : if (flags & TFF_EXPR_IN_PARENS)
2831 0 : pp_cxx_left_paren (pp);
2832 0 : pp_cxx_star (pp);
2833 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
2834 0 : if (flags & TFF_EXPR_IN_PARENS)
2835 0 : pp_cxx_right_paren (pp);
2836 : break;
2837 : }
2838 : /* Else fall through. */
2839 : }
2840 1541 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
2841 1541 : break;
2842 :
2843 9376 : CASE_CONVERT:
2844 9376 : case IMPLICIT_CONV_EXPR:
2845 9376 : case VIEW_CONVERT_EXPR:
2846 9376 : case EXCESS_PRECISION_EXPR:
2847 9376 : {
2848 9376 : tree op = TREE_OPERAND (t, 0);
2849 :
2850 9376 : if (location_wrapper_p (t))
2851 : {
2852 : dump_expr (pp, op, flags);
2853 : break;
2854 : }
2855 :
2856 5322 : tree ttype = TREE_TYPE (t);
2857 5322 : tree optype = TREE_TYPE (op);
2858 5322 : if (!optype)
2859 150 : optype = unknown_type_node;
2860 :
2861 5322 : if (TREE_CODE (ttype) != TREE_CODE (optype)
2862 3068 : && INDIRECT_TYPE_P (ttype)
2863 2775 : && INDIRECT_TYPE_P (optype)
2864 8019 : && same_type_p (TREE_TYPE (optype),
2865 : TREE_TYPE (ttype)))
2866 : {
2867 2649 : if (TYPE_REF_P (ttype))
2868 : {
2869 1986 : STRIP_NOPS (op);
2870 1986 : if (TREE_CODE (op) == ADDR_EXPR)
2871 1382 : dump_expr (pp, TREE_OPERAND (op, 0), flags);
2872 : else
2873 604 : dump_unary_op (pp, "*", t, flags);
2874 : }
2875 : else
2876 663 : dump_unary_op (pp, "&", t, flags);
2877 : }
2878 2673 : else if (!same_type_p (optype, ttype))
2879 : {
2880 : /* It is a cast, but we cannot tell whether it is a
2881 : reinterpret or static cast. Use the C style notation. */
2882 2426 : if (flags & TFF_EXPR_IN_PARENS)
2883 1796 : pp_cxx_left_paren (pp);
2884 2426 : pp_cxx_left_paren (pp);
2885 2426 : dump_type (pp, TREE_TYPE (t), flags);
2886 2426 : pp_cxx_right_paren (pp);
2887 2426 : dump_expr (pp, op, flags | TFF_EXPR_IN_PARENS);
2888 2426 : if (flags & TFF_EXPR_IN_PARENS)
2889 1796 : pp_cxx_right_paren (pp);
2890 : }
2891 : else
2892 : dump_expr (pp, op, flags);
2893 : break;
2894 : }
2895 :
2896 17999 : case CONSTRUCTOR:
2897 17999 : if (TREE_TYPE (t) && TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
2898 : {
2899 12 : tree idx = build_ptrmemfunc_access_expr (t, pfn_identifier);
2900 :
2901 12 : if (integer_zerop (idx))
2902 : {
2903 : /* A NULL pointer-to-member constant. */
2904 8 : pp_cxx_left_paren (pp);
2905 8 : pp_cxx_left_paren (pp);
2906 8 : dump_type (pp, TREE_TYPE (t), flags);
2907 8 : pp_cxx_right_paren (pp);
2908 8 : pp_character (pp, '0');
2909 8 : pp_cxx_right_paren (pp);
2910 8 : break;
2911 : }
2912 4 : else if (tree_fits_shwi_p (idx))
2913 : {
2914 4 : tree virtuals;
2915 4 : unsigned HOST_WIDE_INT n;
2916 :
2917 4 : t = TREE_TYPE (TYPE_PTRMEMFUNC_FN_TYPE (TREE_TYPE (t)));
2918 4 : t = TYPE_METHOD_BASETYPE (t);
2919 4 : virtuals = BINFO_VIRTUALS (TYPE_BINFO (TYPE_MAIN_VARIANT (t)));
2920 :
2921 4 : n = tree_to_shwi (idx);
2922 :
2923 : /* Map vtable index back one, to allow for the null pointer to
2924 : member. */
2925 4 : --n;
2926 :
2927 4 : while (n > 0 && virtuals)
2928 : {
2929 0 : --n;
2930 0 : virtuals = TREE_CHAIN (virtuals);
2931 : }
2932 4 : if (virtuals)
2933 : {
2934 4 : dump_expr (pp, BV_FN (virtuals),
2935 : flags | TFF_EXPR_IN_PARENS);
2936 4 : break;
2937 : }
2938 : }
2939 : }
2940 34096 : if (TREE_TYPE (t) && LAMBDA_TYPE_P (TREE_TYPE (t)))
2941 423 : pp_string (pp, "<lambda closure object>");
2942 17987 : if (TREE_TYPE (t) && EMPTY_CONSTRUCTOR_P (t))
2943 : {
2944 5652 : dump_type (pp, TREE_TYPE (t), 0);
2945 5652 : pp_cxx_left_paren (pp);
2946 5652 : pp_cxx_right_paren (pp);
2947 : }
2948 : else
2949 : {
2950 12335 : if (!BRACE_ENCLOSED_INITIALIZER_P (t))
2951 12276 : dump_type (pp, TREE_TYPE (t), 0);
2952 12335 : pp_cxx_left_brace (pp);
2953 12335 : dump_expr_init_vec (pp, CONSTRUCTOR_ELTS (t), flags);
2954 12335 : pp_cxx_right_brace (pp);
2955 : }
2956 :
2957 : break;
2958 :
2959 25 : case OFFSET_REF:
2960 25 : {
2961 25 : tree ob = TREE_OPERAND (t, 0);
2962 25 : if (is_dummy_object (ob))
2963 : {
2964 22 : t = TREE_OPERAND (t, 1);
2965 22 : if (TREE_CODE (t) == FUNCTION_DECL)
2966 : /* A::f */
2967 0 : dump_expr (pp, t, flags | TFF_EXPR_IN_PARENS);
2968 22 : else if (BASELINK_P (t))
2969 25154217 : dump_expr (pp, OVL_FIRST (BASELINK_FUNCTIONS (t)),
2970 : flags | TFF_EXPR_IN_PARENS);
2971 : else
2972 3 : dump_decl (pp, t, flags);
2973 : }
2974 : else
2975 : {
2976 3 : if (INDIRECT_REF_P (ob))
2977 : {
2978 3 : dump_expr (pp, TREE_OPERAND (ob, 0), flags | TFF_EXPR_IN_PARENS);
2979 3 : pp_cxx_arrow (pp);
2980 3 : pp_cxx_star (pp);
2981 : }
2982 : else
2983 : {
2984 0 : dump_expr (pp, ob, flags | TFF_EXPR_IN_PARENS);
2985 0 : pp_cxx_dot (pp);
2986 0 : pp_cxx_star (pp);
2987 : }
2988 3 : dump_expr (pp, TREE_OPERAND (t, 1), flags | TFF_EXPR_IN_PARENS);
2989 : }
2990 : break;
2991 : }
2992 :
2993 1440 : case TEMPLATE_PARM_INDEX:
2994 1440 : dump_decl (pp, TEMPLATE_PARM_DECL (t), flags & ~TFF_DECL_SPECIFIERS);
2995 1440 : break;
2996 :
2997 161 : case CAST_EXPR:
2998 161 : if (TREE_OPERAND (t, 0) == NULL_TREE
2999 161 : || TREE_CHAIN (TREE_OPERAND (t, 0)))
3000 : {
3001 111 : dump_type (pp, TREE_TYPE (t), flags);
3002 111 : pp_cxx_left_paren (pp);
3003 111 : dump_expr_list (pp, TREE_OPERAND (t, 0), flags);
3004 111 : pp_cxx_right_paren (pp);
3005 : }
3006 : else
3007 : {
3008 50 : pp_cxx_left_paren (pp);
3009 50 : dump_type (pp, TREE_TYPE (t), flags);
3010 50 : pp_cxx_right_paren (pp);
3011 50 : pp_cxx_left_paren (pp);
3012 50 : dump_expr_list (pp, TREE_OPERAND (t, 0), flags);
3013 50 : pp_cxx_right_paren (pp);
3014 : }
3015 : break;
3016 :
3017 31 : case STATIC_CAST_EXPR:
3018 31 : pp_cxx_ws_string (pp, "static_cast");
3019 31 : goto cast;
3020 0 : case REINTERPRET_CAST_EXPR:
3021 0 : pp_cxx_ws_string (pp, "reinterpret_cast");
3022 0 : goto cast;
3023 3 : case CONST_CAST_EXPR:
3024 3 : pp_cxx_ws_string (pp, "const_cast");
3025 3 : goto cast;
3026 0 : case DYNAMIC_CAST_EXPR:
3027 0 : pp_cxx_ws_string (pp, "dynamic_cast");
3028 34 : cast:
3029 34 : pp_cxx_begin_template_argument_list (pp);
3030 34 : dump_type (pp, TREE_TYPE (t), flags);
3031 34 : pp_cxx_end_template_argument_list (pp);
3032 34 : pp_cxx_left_paren (pp);
3033 34 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3034 34 : pp_cxx_right_paren (pp);
3035 34 : break;
3036 :
3037 3 : case ARROW_EXPR:
3038 3 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3039 3 : pp_cxx_arrow (pp);
3040 3 : break;
3041 :
3042 190 : case SIZEOF_EXPR:
3043 190 : case ALIGNOF_EXPR:
3044 190 : if (TREE_CODE (t) == SIZEOF_EXPR)
3045 172 : pp_cxx_ws_string (pp, "sizeof");
3046 18 : else if (ALIGNOF_EXPR_STD_P (t))
3047 12 : pp_cxx_ws_string (pp, "alignof");
3048 : else
3049 6 : pp_cxx_ws_string (pp, "__alignof__");
3050 190 : op = TREE_OPERAND (t, 0);
3051 190 : if (PACK_EXPANSION_P (op))
3052 : {
3053 84 : pp_string (pp, "...");
3054 84 : op = PACK_EXPANSION_PATTERN (op);
3055 : }
3056 190 : pp_cxx_whitespace (pp);
3057 190 : pp_cxx_left_paren (pp);
3058 190 : if (TREE_CODE (t) == SIZEOF_EXPR && SIZEOF_EXPR_TYPE_P (t))
3059 29 : dump_type (pp, TREE_TYPE (op), flags);
3060 161 : else if (TYPE_P (TREE_OPERAND (t, 0)))
3061 98 : dump_type (pp, op, flags);
3062 : else
3063 63 : dump_expr (pp, op, flags);
3064 190 : pp_cxx_right_paren (pp);
3065 190 : break;
3066 :
3067 0 : case AT_ENCODE_EXPR:
3068 0 : pp_cxx_ws_string (pp, "@encode");
3069 0 : pp_cxx_whitespace (pp);
3070 0 : pp_cxx_left_paren (pp);
3071 0 : dump_type (pp, TREE_OPERAND (t, 0), flags);
3072 0 : pp_cxx_right_paren (pp);
3073 0 : break;
3074 :
3075 12 : case NOEXCEPT_EXPR:
3076 12 : pp_cxx_ws_string (pp, "noexcept");
3077 12 : pp_cxx_whitespace (pp);
3078 12 : pp_cxx_left_paren (pp);
3079 12 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3080 12 : pp_cxx_right_paren (pp);
3081 12 : break;
3082 :
3083 0 : case REALPART_EXPR:
3084 0 : case IMAGPART_EXPR:
3085 0 : pp_cxx_ws_string (pp, OVL_OP_INFO (false, TREE_CODE (t))->name);
3086 0 : pp_cxx_whitespace (pp);
3087 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3088 0 : break;
3089 :
3090 0 : case DEFERRED_PARSE:
3091 0 : pp_string (pp, M_("<unparsed>"));
3092 0 : break;
3093 :
3094 0 : case TRY_CATCH_EXPR:
3095 0 : case CLEANUP_POINT_EXPR:
3096 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3097 0 : break;
3098 :
3099 0 : case PSEUDO_DTOR_EXPR:
3100 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3101 0 : pp_cxx_dot (pp);
3102 0 : if (TREE_OPERAND (t, 1))
3103 : {
3104 0 : dump_type (pp, TREE_OPERAND (t, 1), flags);
3105 0 : pp_cxx_colon_colon (pp);
3106 : }
3107 0 : pp_cxx_complement (pp);
3108 0 : dump_type (pp, TREE_OPERAND (t, 2), flags);
3109 0 : break;
3110 :
3111 1371 : case TEMPLATE_ID_EXPR:
3112 1371 : dump_decl (pp, t, flags);
3113 1371 : break;
3114 :
3115 28 : case BIND_EXPR:
3116 28 : case STMT_EXPR:
3117 28 : case EXPR_STMT:
3118 28 : case STATEMENT_LIST:
3119 : /* We don't yet have a way of dumping statements in a
3120 : human-readable format. */
3121 28 : pp_string (pp, "({...})");
3122 28 : break;
3123 :
3124 0 : case LOOP_EXPR:
3125 0 : pp_string (pp, "while (1) { ");
3126 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
3127 0 : pp_cxx_right_brace (pp);
3128 0 : break;
3129 :
3130 0 : case EXIT_EXPR:
3131 0 : pp_string (pp, "if (");
3132 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
3133 0 : pp_string (pp, ") break; ");
3134 0 : break;
3135 :
3136 133 : case BASELINK:
3137 133 : dump_expr (pp, BASELINK_FUNCTIONS (t), flags & ~TFF_EXPR_IN_PARENS);
3138 133 : break;
3139 :
3140 259 : case EMPTY_CLASS_EXPR:
3141 259 : dump_type (pp, TREE_TYPE (t), flags);
3142 259 : pp_cxx_left_paren (pp);
3143 259 : pp_cxx_right_paren (pp);
3144 259 : break;
3145 :
3146 0 : case ARGUMENT_PACK_SELECT:
3147 0 : dump_template_argument (pp, ARGUMENT_PACK_SELECT_FROM_PACK (t), flags);
3148 0 : break;
3149 :
3150 90 : case RECORD_TYPE:
3151 90 : case UNION_TYPE:
3152 90 : case ENUMERAL_TYPE:
3153 90 : case REAL_TYPE:
3154 90 : case VOID_TYPE:
3155 90 : case OPAQUE_TYPE:
3156 90 : case BOOLEAN_TYPE:
3157 90 : case INTEGER_TYPE:
3158 90 : case COMPLEX_TYPE:
3159 90 : case VECTOR_TYPE:
3160 90 : case DECLTYPE_TYPE:
3161 90 : pp_type_specifier_seq (pp, t);
3162 90 : break;
3163 :
3164 0 : case TYPENAME_TYPE:
3165 : /* We get here when we want to print a dependent type as an
3166 : id-expression, without any disambiguator decoration. */
3167 0 : pp->id_expression (t);
3168 0 : break;
3169 :
3170 33 : case TEMPLATE_TYPE_PARM:
3171 33 : case TEMPLATE_TEMPLATE_PARM:
3172 33 : case BOUND_TEMPLATE_TEMPLATE_PARM:
3173 33 : dump_type (pp, t, flags);
3174 33 : break;
3175 :
3176 56 : case TRAIT_EXPR:
3177 56 : pp_cxx_trait (pp, t);
3178 56 : break;
3179 :
3180 3 : case VA_ARG_EXPR:
3181 3 : pp_cxx_va_arg_expression (pp, t);
3182 3 : break;
3183 :
3184 15 : case OFFSETOF_EXPR:
3185 15 : pp_cxx_offsetof_expression (pp, t);
3186 15 : break;
3187 :
3188 0 : case ADDRESSOF_EXPR:
3189 0 : pp_cxx_addressof_expression (pp, t);
3190 0 : break;
3191 :
3192 921 : case SCOPE_REF:
3193 921 : dump_decl (pp, t, flags);
3194 921 : break;
3195 :
3196 2502 : case EXPR_PACK_EXPANSION:
3197 2502 : case UNARY_LEFT_FOLD_EXPR:
3198 2502 : case UNARY_RIGHT_FOLD_EXPR:
3199 2502 : case BINARY_LEFT_FOLD_EXPR:
3200 2502 : case BINARY_RIGHT_FOLD_EXPR:
3201 2502 : case TYPEID_EXPR:
3202 2502 : case MEMBER_REF:
3203 2502 : case DOTSTAR_EXPR:
3204 2502 : case NEW_EXPR:
3205 2502 : case VEC_NEW_EXPR:
3206 2502 : case DELETE_EXPR:
3207 2502 : case VEC_DELETE_EXPR:
3208 2502 : case MODOP_EXPR:
3209 2502 : case ABS_EXPR:
3210 2502 : case ABSU_EXPR:
3211 2502 : case CONJ_EXPR:
3212 2502 : case VECTOR_CST:
3213 2502 : case FIXED_CST:
3214 2502 : case UNORDERED_EXPR:
3215 2502 : case ORDERED_EXPR:
3216 2502 : case UNLT_EXPR:
3217 2502 : case UNLE_EXPR:
3218 2502 : case UNGT_EXPR:
3219 2502 : case UNGE_EXPR:
3220 2502 : case UNEQ_EXPR:
3221 2502 : case LTGT_EXPR:
3222 2502 : case COMPLEX_EXPR:
3223 2502 : case BIT_FIELD_REF:
3224 2502 : case FIX_TRUNC_EXPR:
3225 2502 : case FLOAT_EXPR:
3226 2502 : pp->expression (t);
3227 2502 : break;
3228 :
3229 0 : case PACK_INDEX_EXPR:
3230 0 : pp->expression (PACK_INDEX_PACK (t));
3231 0 : pp_cxx_left_bracket (pp);
3232 0 : pp->expression (PACK_INDEX_INDEX (t));
3233 0 : pp_cxx_right_bracket (pp);
3234 0 : break;
3235 :
3236 0 : case TRUTH_AND_EXPR:
3237 0 : case TRUTH_OR_EXPR:
3238 0 : case TRUTH_XOR_EXPR:
3239 0 : if (flags & TFF_EXPR_IN_PARENS)
3240 0 : pp_cxx_left_paren (pp);
3241 0 : pp->expression (t);
3242 0 : if (flags & TFF_EXPR_IN_PARENS)
3243 0 : pp_cxx_right_paren (pp);
3244 : break;
3245 :
3246 6 : case OBJ_TYPE_REF:
3247 6 : dump_expr (pp, resolve_virtual_fun_from_obj_type_ref (t), flags);
3248 6 : break;
3249 :
3250 75 : case LAMBDA_EXPR:
3251 75 : pp_string (pp, M_("<lambda>"));
3252 75 : break;
3253 :
3254 10 : case PAREN_EXPR:
3255 10 : pp_cxx_left_paren (pp);
3256 10 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
3257 10 : pp_cxx_right_paren (pp);
3258 10 : break;
3259 :
3260 3 : case REQUIRES_EXPR:
3261 3 : pp_cxx_requires_expr (cxx_pp, t);
3262 3 : break;
3263 :
3264 0 : case SIMPLE_REQ:
3265 0 : pp_cxx_simple_requirement (cxx_pp, t);
3266 0 : break;
3267 :
3268 0 : case TYPE_REQ:
3269 0 : pp_cxx_type_requirement (cxx_pp, t);
3270 0 : break;
3271 :
3272 0 : case COMPOUND_REQ:
3273 0 : pp_cxx_compound_requirement (cxx_pp, t);
3274 0 : break;
3275 :
3276 0 : case NESTED_REQ:
3277 0 : pp_cxx_nested_requirement (cxx_pp, t);
3278 0 : break;
3279 :
3280 945 : case ATOMIC_CONSTR:
3281 945 : case CONJ_CONSTR:
3282 945 : case DISJ_CONSTR:
3283 945 : {
3284 945 : pp_cxx_constraint (cxx_pp, t);
3285 945 : break;
3286 : }
3287 :
3288 13 : case PLACEHOLDER_EXPR:
3289 13 : pp_string (pp, M_("*this"));
3290 13 : break;
3291 :
3292 47 : case TREE_LIST:
3293 47 : dump_expr_list (pp, t, flags);
3294 47 : break;
3295 :
3296 6 : case NONTYPE_ARGUMENT_PACK:
3297 6 : {
3298 6 : tree args = ARGUMENT_PACK_ARGS (t);
3299 6 : int len = TREE_VEC_LENGTH (args);
3300 6 : pp_cxx_left_brace (pp);
3301 12 : for (int i = 0; i < len; ++i)
3302 : {
3303 6 : if (i > 0)
3304 0 : pp_separate_with_comma (pp);
3305 6 : dump_expr (pp, TREE_VEC_ELT (args, i), flags);
3306 : }
3307 6 : pp_cxx_right_brace (pp);
3308 6 : break;
3309 : }
3310 :
3311 3 : case CO_AWAIT_EXPR:
3312 3 : pp_cxx_ws_string (pp, "co_await");
3313 3 : pp_cxx_whitespace (pp);
3314 3 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3315 3 : break;
3316 :
3317 0 : case CO_YIELD_EXPR:
3318 0 : pp_cxx_ws_string (pp, "co_yield");
3319 0 : pp_cxx_whitespace (pp);
3320 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3321 0 : break;
3322 :
3323 0 : case CO_RETURN_EXPR:
3324 0 : pp_cxx_ws_string (pp, "co_return");
3325 0 : if (TREE_OPERAND (t, 0))
3326 : {
3327 0 : pp_cxx_whitespace (pp);
3328 0 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3329 : }
3330 : break;
3331 :
3332 58 : case REFLECT_EXPR:
3333 58 : {
3334 58 : pp_string (pp, "^^");
3335 58 : tree h = REFLECT_EXPR_HANDLE (t);
3336 58 : if (DECL_P (h))
3337 38 : dump_decl (pp, h, flags);
3338 20 : else if (TYPE_P (h))
3339 18 : dump_type (pp, h, flags);
3340 : else
3341 : dump_expr (pp, h, flags);
3342 : break;
3343 : }
3344 :
3345 6 : case SPLICE_EXPR:
3346 6 : pp_cxx_ws_string (pp, "[:");
3347 6 : pp_cxx_whitespace (pp);
3348 6 : dump_expr (pp, TREE_OPERAND (t, 0), flags);
3349 6 : pp_cxx_whitespace (pp);
3350 6 : pp_cxx_ws_string (pp, ":]");
3351 6 : break;
3352 :
3353 : /* This list is incomplete, but should suffice for now.
3354 : It is very important that `sorry' does not call
3355 : `report_error_function'. That could cause an infinite loop. */
3356 12 : default:
3357 12 : pp_unsupported_tree (pp, t);
3358 : /* Fall through. */
3359 48 : case ERROR_MARK:
3360 48 : pp_string (pp, M_("<expression error>"));
3361 48 : break;
3362 : }
3363 : }
3364 :
3365 : static void
3366 1924 : dump_binary_op (cxx_pretty_printer *pp, const char *opstring, tree t,
3367 : int flags)
3368 : {
3369 1924 : pp_cxx_left_paren (pp);
3370 1924 : dump_expr (pp, TREE_OPERAND (t, 0), flags | TFF_EXPR_IN_PARENS);
3371 1924 : pp_cxx_whitespace (pp);
3372 1924 : if (opstring)
3373 1922 : pp_cxx_ws_string (pp, opstring);
3374 : else
3375 2 : pp_string (pp, M_("<unknown operator>"));
3376 1924 : pp_cxx_whitespace (pp);
3377 1924 : tree op1 = TREE_OPERAND (t, 1);
3378 1924 : if (TREE_CODE (t) == POINTER_PLUS_EXPR
3379 296 : && TREE_CODE (op1) == INTEGER_CST
3380 2094 : && tree_int_cst_sign_bit (op1))
3381 : /* A pointer minus an integer is represented internally as plus a very
3382 : large number, don't expose that to users. */
3383 25 : op1 = convert (ssizetype, op1);
3384 1924 : dump_expr (pp, op1, flags | TFF_EXPR_IN_PARENS);
3385 1924 : pp_cxx_right_paren (pp);
3386 1924 : }
3387 :
3388 : static void
3389 2696 : dump_unary_op (cxx_pretty_printer *pp, const char *opstring, tree t, int flags)
3390 : {
3391 2696 : if (flags & TFF_EXPR_IN_PARENS)
3392 1446 : pp_cxx_left_paren (pp);
3393 2696 : pp_cxx_ws_string (pp, opstring);
3394 2696 : dump_expr (pp, TREE_OPERAND (t, 0), flags & ~TFF_EXPR_IN_PARENS);
3395 2696 : if (flags & TFF_EXPR_IN_PARENS)
3396 1446 : pp_cxx_right_paren (pp);
3397 2696 : }
3398 :
3399 : static void
3400 254327561 : reinit_cxx_pp (void)
3401 : {
3402 254327561 : pp_clear_output_area (cxx_pp);
3403 254327561 : cxx_pp->set_padding (pp_none);
3404 254327561 : pp_indentation (cxx_pp) = 0;
3405 254327561 : pp_needs_newline (cxx_pp) = false;
3406 254327561 : pp_show_color (cxx_pp) = false;
3407 254327561 : cxx_pp->enclosing_scope = current_function_decl;
3408 254327561 : }
3409 :
3410 : /* Same as pp_formatted_text, except the return string is a separate
3411 : copy and has a GGC storage duration, e.g. an indefinite lifetime. */
3412 :
3413 : inline const char *
3414 254327971 : pp_ggc_formatted_text (pretty_printer *pp)
3415 : {
3416 254327971 : return ggc_strdup (pp_formatted_text (pp));
3417 : }
3418 :
3419 : /* Exported interface to stringifying types, exprs and decls under TFF_*
3420 : control. */
3421 :
3422 : const char *
3423 213 : type_as_string (tree typ, int flags)
3424 : {
3425 213 : reinit_cxx_pp ();
3426 213 : pp_translate_identifiers (cxx_pp) = false;
3427 213 : dump_type (cxx_pp, typ, flags);
3428 213 : return pp_ggc_formatted_text (cxx_pp);
3429 : }
3430 :
3431 : const char *
3432 0 : type_as_string_translate (tree typ, int flags)
3433 : {
3434 0 : reinit_cxx_pp ();
3435 0 : dump_type (cxx_pp, typ, flags);
3436 0 : return pp_ggc_formatted_text (cxx_pp);
3437 : }
3438 :
3439 : const char *
3440 3755 : expr_as_string (tree decl, int flags)
3441 : {
3442 3755 : reinit_cxx_pp ();
3443 3755 : pp_translate_identifiers (cxx_pp) = false;
3444 3755 : dump_expr (cxx_pp, decl, flags);
3445 3755 : return pp_ggc_formatted_text (cxx_pp);
3446 : }
3447 :
3448 : /* Wrap decl_as_string with options appropriate for dwarf. */
3449 :
3450 : const char *
3451 53047323 : decl_as_dwarf_string (tree decl, int flags)
3452 : {
3453 53047323 : const char *name;
3454 : /* Curiously, reinit_cxx_pp doesn't reset the flags field, so setting the flag
3455 : here will be adequate to get the desired behavior. */
3456 53047323 : cxx_pp->flags |= pp_c_flag_gnu_v3;
3457 53047323 : name = decl_as_string (decl, flags);
3458 : /* Subsequent calls to the pretty printer shouldn't use this style. */
3459 53047323 : cxx_pp->flags &= ~pp_c_flag_gnu_v3;
3460 53047323 : return name;
3461 : }
3462 :
3463 : const char *
3464 53111513 : decl_as_string (tree decl, int flags)
3465 : {
3466 53111513 : reinit_cxx_pp ();
3467 53111513 : pp_translate_identifiers (cxx_pp) = false;
3468 53111513 : dump_decl (cxx_pp, decl, flags);
3469 53111513 : return pp_ggc_formatted_text (cxx_pp);
3470 : }
3471 :
3472 : const char *
3473 0 : decl_as_string_translate (tree decl, int flags)
3474 : {
3475 0 : reinit_cxx_pp ();
3476 0 : dump_decl (cxx_pp, decl, flags);
3477 0 : return pp_ggc_formatted_text (cxx_pp);
3478 : }
3479 :
3480 : /* Wrap lang_decl_name with options appropriate for dwarf. */
3481 :
3482 : const char *
3483 200912458 : lang_decl_dwarf_name (tree decl, int v, bool translate)
3484 : {
3485 200912458 : const char *name;
3486 : /* Curiously, reinit_cxx_pp doesn't reset the flags field, so setting the flag
3487 : here will be adequate to get the desired behavior. */
3488 200912458 : cxx_pp->flags |= pp_c_flag_gnu_v3;
3489 200912458 : name = lang_decl_name (decl, v, translate);
3490 : /* Subsequent calls to the pretty printer shouldn't use this style. */
3491 200912458 : cxx_pp->flags &= ~pp_c_flag_gnu_v3;
3492 200912458 : return name;
3493 : }
3494 :
3495 : /* Generate the three forms of printable names for cxx_printable_name. */
3496 :
3497 : const char *
3498 201056914 : lang_decl_name (tree decl, int v, bool translate)
3499 : {
3500 201056914 : if (v >= 2)
3501 63933 : return (translate
3502 63933 : ? decl_as_string_translate (decl, TFF_DECL_SPECIFIERS)
3503 63933 : : decl_as_string (decl, TFF_DECL_SPECIFIERS));
3504 :
3505 200992981 : reinit_cxx_pp ();
3506 200992981 : pp_translate_identifiers (cxx_pp) = translate;
3507 200992981 : if (v == 1
3508 200992981 : && (DECL_CLASS_SCOPE_P (decl)
3509 84819 : || (DECL_NAMESPACE_SCOPE_P (decl)
3510 83540 : && CP_DECL_CONTEXT (decl) != global_namespace)))
3511 : {
3512 166909 : dump_type (cxx_pp, CP_DECL_CONTEXT (decl), TFF_PLAIN_IDENTIFIER);
3513 166909 : pp_cxx_colon_colon (cxx_pp);
3514 : }
3515 :
3516 200992981 : if (TREE_CODE (decl) == FUNCTION_DECL)
3517 96303972 : dump_function_name (cxx_pp, decl, TFF_PLAIN_IDENTIFIER);
3518 104689009 : else if ((DECL_NAME (decl) == NULL_TREE)
3519 104689009 : && TREE_CODE (decl) == NAMESPACE_DECL)
3520 21 : dump_decl (cxx_pp, decl, TFF_PLAIN_IDENTIFIER | TFF_UNQUALIFIED_NAME);
3521 : else
3522 104688988 : dump_decl (cxx_pp, DECL_NAME (decl), TFF_PLAIN_IDENTIFIER);
3523 :
3524 200992981 : return pp_ggc_formatted_text (cxx_pp);
3525 : }
3526 :
3527 : /* Return the location of a tree passed to %+ formats. */
3528 :
3529 : location_t
3530 3346950 : location_of (tree t)
3531 : {
3532 3346950 : if (TYPE_P (t))
3533 : {
3534 3887 : t = TYPE_MAIN_DECL (t);
3535 3887 : if (t == NULL_TREE)
3536 696 : return input_location;
3537 : }
3538 3343063 : else if (TREE_CODE (t) == OVERLOAD)
3539 36 : t = (OVL_FIRST (t) != conv_op_marker ? OVL_FIRST (t)
3540 0 : : OVL_FIRST (OVL_CHAIN (t)));
3541 :
3542 3346254 : if (DECL_P (t))
3543 2558783 : return DECL_SOURCE_LOCATION (t);
3544 787471 : if (TREE_CODE (t) == DEFERRED_PARSE)
3545 22 : return defparse_location (t);
3546 787449 : return cp_expr_loc_or_input_loc (t);
3547 : }
3548 :
3549 : /* Now the interfaces from error et al to dump_type et al. Each takes an
3550 : on/off VERBOSE flag and supply the appropriate TFF_ flags to a dump_
3551 : function. */
3552 :
3553 : static const char *
3554 98995 : decl_to_string (tree decl, int verbose, bool show_color)
3555 : {
3556 98995 : int flags = 0;
3557 :
3558 98995 : if (TREE_CODE (decl) == TYPE_DECL || TREE_CODE (decl) == RECORD_TYPE
3559 : || TREE_CODE (decl) == UNION_TYPE || TREE_CODE (decl) == ENUMERAL_TYPE)
3560 3713 : flags = TFF_CLASS_KEY_OR_ENUM;
3561 98995 : if (verbose)
3562 30278 : flags |= TFF_DECL_SPECIFIERS;
3563 68717 : else if (TREE_CODE (decl) == FUNCTION_DECL)
3564 43987 : flags |= TFF_DECL_SPECIFIERS | TFF_RETURN_TYPE;
3565 98995 : flags |= TFF_TEMPLATE_HEADER;
3566 :
3567 98995 : reinit_cxx_pp ();
3568 98995 : pp_show_color (cxx_pp) = show_color;
3569 98995 : dump_decl (cxx_pp, decl, flags);
3570 98995 : return pp_ggc_formatted_text (cxx_pp);
3571 : }
3572 :
3573 : const char *
3574 49895 : expr_to_string (tree decl)
3575 : {
3576 49895 : reinit_cxx_pp ();
3577 49895 : dump_expr (cxx_pp, decl, 0);
3578 49895 : return pp_ggc_formatted_text (cxx_pp);
3579 : }
3580 :
3581 : static const char *
3582 350 : fndecl_to_string (tree fndecl, int verbose)
3583 : {
3584 350 : int flags;
3585 :
3586 350 : flags = TFF_EXCEPTION_SPECIFICATION | TFF_DECL_SPECIFIERS
3587 : | TFF_TEMPLATE_HEADER;
3588 350 : if (verbose)
3589 91 : flags |= TFF_FUNCTION_DEFAULT_ARGUMENTS;
3590 350 : reinit_cxx_pp ();
3591 350 : dump_decl (cxx_pp, fndecl, flags);
3592 350 : return pp_ggc_formatted_text (cxx_pp);
3593 : }
3594 :
3595 :
3596 : static const char *
3597 2 : code_to_string (enum tree_code c)
3598 : {
3599 0 : return get_tree_code_name (c);
3600 : }
3601 :
3602 : const char *
3603 14398 : language_to_string (enum languages c)
3604 : {
3605 14398 : switch (c)
3606 : {
3607 : case lang_c:
3608 : return "C";
3609 :
3610 12 : case lang_cplusplus:
3611 12 : return "C++";
3612 :
3613 0 : default:
3614 0 : gcc_unreachable ();
3615 : }
3616 : return NULL;
3617 : }
3618 :
3619 : /* Return the proper printed version of a parameter to a C++ function. */
3620 :
3621 : static const char *
3622 1535 : parm_to_string (int p)
3623 : {
3624 1535 : reinit_cxx_pp ();
3625 1535 : if (p < 0)
3626 28 : pp_string (cxx_pp, "'this'");
3627 : else
3628 1507 : pp_decimal_int (cxx_pp, p + 1);
3629 1535 : return pp_ggc_formatted_text (cxx_pp);
3630 : }
3631 :
3632 : static const char *
3633 321 : op_to_string (bool assop, enum tree_code p)
3634 : {
3635 321 : tree id = ovl_op_identifier (assop, p);
3636 639 : return id ? IDENTIFIER_POINTER (id) : M_("<unknown>");
3637 : }
3638 :
3639 : /* Return a GC-allocated representation of type TYP, with verbosity VERBOSE.
3640 :
3641 : If QUOTE is non-NULL and if *QUOTE is true, then quotes are added to the
3642 : string in appropriate places, and *QUOTE is written to with false
3643 : to suppress pp_format's trailing close quote so that e.g.
3644 : foo_typedef {aka underlying_foo} {enum}
3645 : can be printed by "%qT" as:
3646 : `foo_typedef' {aka `underlying_foo'} {enum}
3647 : rather than:
3648 : `foo_typedef {aka underlying_foo} {enum}'
3649 : When adding such quotes, if POSTPROCESSED is true (for handling %H and %I)
3650 : then a leading open quote will be added, whereas if POSTPROCESSED is false
3651 : (for handling %T) then any leading quote has already been added by
3652 : pp_format, or is not needed due to QUOTE being NULL (for template arguments
3653 : within %H and %I).
3654 :
3655 : SHOW_COLOR and HIGHLIGHT_COLOR are used to determine the colorization of
3656 : any quotes that are added. */
3657 :
3658 : static const char *
3659 63083 : type_to_string (tree typ, int verbose, bool postprocessed, bool *quote,
3660 : bool show_color, const char *highlight_color)
3661 : {
3662 63083 : int flags = 0;
3663 63083 : if (verbose)
3664 9506 : flags |= TFF_CLASS_KEY_OR_ENUM;
3665 63083 : flags |= TFF_TEMPLATE_HEADER;
3666 :
3667 63083 : reinit_cxx_pp ();
3668 63083 : pp_show_color (cxx_pp) = show_color;
3669 :
3670 63083 : if (postprocessed && quote && *quote)
3671 : {
3672 20626 : pp_begin_quote (cxx_pp, show_color);
3673 20626 : if (show_color && highlight_color)
3674 0 : pp_string (cxx_pp, colorize_start (show_color, highlight_color));
3675 : }
3676 :
3677 63083 : struct obstack *ob = pp_buffer (cxx_pp)->m_obstack;
3678 63083 : int type_start, type_len;
3679 63083 : type_start = obstack_object_size (ob);
3680 :
3681 63083 : dump_type (cxx_pp, typ, flags);
3682 :
3683 : /* Remember the end of the initial dump. */
3684 63083 : type_len = obstack_object_size (ob) - type_start;
3685 :
3686 : /* If we're printing a type that involves typedefs, also print the
3687 : stripped version. But sometimes the stripped version looks
3688 : exactly the same, so we don't want it after all. To avoid printing
3689 : it in that case, we play ugly obstack games. */
3690 63069 : if (typ && TYPE_P (typ) && typ != TYPE_CANONICAL (typ)
3691 69167 : && !uses_template_parms (typ))
3692 : {
3693 4354 : int aka_start, aka_len; char *p;
3694 4354 : tree aka = strip_typedefs (typ, NULL, STF_USER_VISIBLE);
3695 4354 : if (quote && *quote)
3696 3901 : pp_end_quote (cxx_pp, show_color);
3697 4354 : pp_string (cxx_pp, " {aka");
3698 4354 : pp_cxx_whitespace (cxx_pp);
3699 4354 : if (quote && *quote)
3700 3901 : pp_begin_quote (cxx_pp, show_color);
3701 4354 : if (highlight_color)
3702 1197 : pp_string (cxx_pp, colorize_start (show_color, highlight_color));
3703 : /* And remember the start of the aka dump. */
3704 4354 : aka_start = obstack_object_size (ob);
3705 4354 : dump_type (cxx_pp, aka, flags);
3706 4354 : aka_len = obstack_object_size (ob) - aka_start;
3707 4354 : if (quote && *quote)
3708 3901 : pp_end_quote (cxx_pp, show_color);
3709 4354 : pp_right_brace (cxx_pp);
3710 4354 : p = (char*)obstack_base (ob);
3711 : /* If they are identical, cut off the aka by unwinding the obstack. */
3712 4354 : if (type_len == aka_len
3713 936 : && memcmp (p + type_start, p+aka_start, type_len) == 0)
3714 : {
3715 : /* We can't add a '\0' here, since we may be adding a closing quote
3716 : below, and it would be hidden by the '\0'.
3717 : Instead, manually unwind the current object within the obstack
3718 : so that the insertion point is at the end of the type, before
3719 : the "' {aka". */
3720 758 : int delta = type_start + type_len - obstack_object_size (ob);
3721 758 : gcc_assert (delta <= 0);
3722 758 : obstack_blank_fast (ob, delta);
3723 758 : }
3724 : else
3725 3596 : if (quote)
3726 : /* No further closing quotes are needed. */
3727 3569 : *quote = false;
3728 : }
3729 :
3730 63056 : if (quote && *quote)
3731 : {
3732 55860 : if (show_color && highlight_color)
3733 0 : pp_string (cxx_pp, colorize_stop (show_color));
3734 55860 : pp_end_quote (cxx_pp, show_color);
3735 55860 : *quote = false;
3736 : }
3737 63083 : return pp_ggc_formatted_text (cxx_pp);
3738 : }
3739 :
3740 : static const char *
3741 3891 : args_to_string (tree p, int verbose)
3742 : {
3743 3891 : int flags = 0;
3744 3891 : if (verbose)
3745 0 : flags |= TFF_CLASS_KEY_OR_ENUM;
3746 :
3747 3891 : if (p == NULL_TREE)
3748 : return "";
3749 :
3750 3048 : if (TYPE_P (TREE_VALUE (p)))
3751 0 : return type_as_string_translate (p, flags);
3752 :
3753 3048 : reinit_cxx_pp ();
3754 9816 : for (; p; p = TREE_CHAIN (p))
3755 : {
3756 3720 : if (null_node_p (TREE_VALUE (p)))
3757 3 : pp_cxx_ws_string (cxx_pp, "NULL");
3758 : else
3759 3717 : dump_type (cxx_pp, error_type (TREE_VALUE (p)), flags);
3760 3720 : if (TREE_CHAIN (p))
3761 672 : pp_separate_with_comma (cxx_pp);
3762 : }
3763 3048 : return pp_ggc_formatted_text (cxx_pp);
3764 : }
3765 :
3766 : /* Pretty-print a deduction substitution (from deduction_tsubst_fntype). P
3767 : is a TREE_LIST with purpose the TEMPLATE_DECL, value the template
3768 : arguments. */
3769 :
3770 : static const char *
3771 1551 : subst_to_string (tree p, bool show_color)
3772 : {
3773 1551 : tree decl = TREE_PURPOSE (p);
3774 1551 : tree targs = TREE_VALUE (p);
3775 1551 : tree tparms = DECL_TEMPLATE_PARMS (decl);
3776 1551 : int flags = (TFF_DECL_SPECIFIERS|TFF_TEMPLATE_HEADER
3777 : |TFF_NO_TEMPLATE_BINDINGS);
3778 :
3779 1551 : if (p == NULL_TREE)
3780 : return "";
3781 :
3782 1551 : reinit_cxx_pp ();
3783 1551 : pp_show_color (cxx_pp) = show_color;
3784 1551 : dump_template_decl (cxx_pp, TREE_PURPOSE (p), flags);
3785 1551 : dump_substitution (cxx_pp, NULL, tparms, targs, /*flags=*/0);
3786 1551 : return pp_ggc_formatted_text (cxx_pp);
3787 : }
3788 :
3789 : static const char *
3790 639 : cv_to_string (tree p, int v)
3791 : {
3792 639 : reinit_cxx_pp ();
3793 639 : cxx_pp->set_padding (v ? pp_before : pp_none);
3794 639 : pp_cxx_cv_qualifier_seq (cxx_pp, p);
3795 639 : return pp_ggc_formatted_text (cxx_pp);
3796 : }
3797 :
3798 : static const char *
3799 3 : eh_spec_to_string (tree p, int /*v*/)
3800 : {
3801 3 : int flags = 0;
3802 3 : reinit_cxx_pp ();
3803 3 : dump_exception_spec (cxx_pp, p, flags);
3804 3 : return pp_ggc_formatted_text (cxx_pp);
3805 : }
3806 :
3807 : /* Langhook for print_error_function. */
3808 : void
3809 119 : cxx_print_error_function (diagnostics::text_sink &text_output,
3810 : const char *file,
3811 : const diagnostics::diagnostic_info *diagnostic)
3812 : {
3813 119 : char *prefix;
3814 119 : if (file)
3815 119 : prefix = xstrdup (file);
3816 : else
3817 : prefix = NULL;
3818 119 : lhd_print_error_function (text_output, file, diagnostic);
3819 :
3820 119 : pp_set_prefix (text_output.get_printer (), prefix);
3821 119 : maybe_print_instantiation_context (text_output);
3822 119 : }
3823 :
3824 : static void
3825 224917 : cp_diagnostic_text_starter (diagnostics::text_sink &text_output,
3826 : const diagnostics::diagnostic_info *diagnostic)
3827 : {
3828 224917 : pp_set_prefix (text_output.get_printer (),
3829 : text_output.build_indent_prefix (true));
3830 224917 : text_output.report_current_module (diagnostic_location (diagnostic));
3831 224917 : cp_print_error_function (text_output, diagnostic);
3832 224917 : maybe_print_instantiation_context (text_output);
3833 224917 : maybe_print_constexpr_context (text_output);
3834 224917 : maybe_print_constraint_context (text_output);
3835 224917 : pp_set_prefix (text_output.get_printer (),
3836 : text_output.build_prefix (*diagnostic));
3837 224917 : }
3838 :
3839 : /* Print current function onto BUFFER, in the process of reporting
3840 : a diagnostic message. Called from cp_diagnostic_starter. */
3841 : static void
3842 224917 : cp_print_error_function (diagnostics::text_sink &text_output,
3843 : const diagnostics::diagnostic_info *diagnostic)
3844 : {
3845 : /* If we are in an instantiation context, current_function_decl is likely
3846 : to be wrong, so just rely on print_instantiation_full_context. */
3847 224917 : if (current_instantiation ())
3848 : return;
3849 : /* The above is true for constraint satisfaction also. */
3850 210454 : if (current_failed_constraint)
3851 : return;
3852 210186 : diagnostics::context *const context = &text_output.get_context ();
3853 210186 : if (diagnostic_last_function_changed (context, diagnostic))
3854 : {
3855 25359 : pretty_printer *const pp = text_output.get_printer ();
3856 25359 : char *old_prefix = pp_take_prefix (pp);
3857 25359 : const char *file = LOCATION_FILE (diagnostic_location (diagnostic));
3858 25359 : tree abstract_origin = diagnostic_abstract_origin (diagnostic);
3859 25359 : char *new_prefix = (file && abstract_origin == NULL)
3860 25359 : ? text_output.file_name_as_prefix (file) : NULL;
3861 :
3862 25359 : pp_set_prefix (pp, new_prefix);
3863 :
3864 25359 : if (current_function_decl == NULL)
3865 923 : pp_string (pp, _("At global scope:"));
3866 : else
3867 : {
3868 24436 : tree fndecl, ao;
3869 :
3870 24436 : if (abstract_origin)
3871 : {
3872 389 : ao = BLOCK_ABSTRACT_ORIGIN (abstract_origin);
3873 389 : gcc_assert (TREE_CODE (ao) == FUNCTION_DECL);
3874 : fndecl = ao;
3875 : }
3876 : else
3877 : fndecl = current_function_decl;
3878 :
3879 24436 : pp_printf (pp, function_category (fndecl),
3880 : fndecl);
3881 :
3882 49484 : while (abstract_origin)
3883 : {
3884 612 : location_t *locus;
3885 612 : tree block = abstract_origin;
3886 :
3887 612 : locus = &BLOCK_SOURCE_LOCATION (block);
3888 612 : fndecl = NULL;
3889 612 : block = BLOCK_SUPERCONTEXT (block);
3890 1369 : while (block && TREE_CODE (block) == BLOCK
3891 1505 : && BLOCK_ABSTRACT_ORIGIN (block))
3892 : {
3893 368 : ao = BLOCK_ABSTRACT_ORIGIN (block);
3894 368 : if (TREE_CODE (ao) == FUNCTION_DECL)
3895 : {
3896 : fndecl = ao;
3897 : break;
3898 : }
3899 145 : else if (TREE_CODE (ao) != BLOCK)
3900 : break;
3901 :
3902 145 : block = BLOCK_SUPERCONTEXT (block);
3903 : }
3904 612 : if (fndecl)
3905 : abstract_origin = block;
3906 : else
3907 : {
3908 836 : while (block && TREE_CODE (block) == BLOCK)
3909 447 : block = BLOCK_SUPERCONTEXT (block);
3910 :
3911 389 : if (block && TREE_CODE (block) == FUNCTION_DECL)
3912 : fndecl = block;
3913 : abstract_origin = NULL;
3914 : }
3915 : if (fndecl)
3916 : {
3917 612 : expanded_location s = expand_location (*locus);
3918 612 : pp_character (pp, ',');
3919 612 : pp_newline (pp);
3920 612 : if (s.file != NULL)
3921 : {
3922 612 : if (text_output.show_column_p () && s.column != 0)
3923 538 : pp_printf (pp,
3924 : G_(" inlined from %qD at %r%s:%d:%d%R"),
3925 : fndecl,
3926 : "locus", s.file, s.line, s.column);
3927 : else
3928 74 : pp_printf (pp,
3929 : G_(" inlined from %qD at %r%s:%d%R"),
3930 : fndecl,
3931 : "locus", s.file, s.line);
3932 :
3933 : }
3934 : else
3935 0 : pp_printf (pp, G_(" inlined from %qD"),
3936 : fndecl);
3937 : }
3938 : }
3939 24436 : pp_character (pp, ':');
3940 : }
3941 25359 : pp_newline (pp);
3942 :
3943 25359 : diagnostic_set_last_function (context, diagnostic);
3944 25359 : pp->set_prefix (old_prefix);
3945 : }
3946 : }
3947 :
3948 : /* Returns a description of FUNCTION using standard terminology. The
3949 : result is a format string of the form "In CATEGORY %qD". */
3950 :
3951 : static const char *
3952 24436 : function_category (tree fn)
3953 : {
3954 : /* We can get called from the middle-end for diagnostics of function
3955 : clones. Make sure we have language specific information before
3956 : dereferencing it. */
3957 24436 : if (DECL_LANG_SPECIFIC (STRIP_TEMPLATE (fn))
3958 24436 : && DECL_FUNCTION_MEMBER_P (fn))
3959 : {
3960 3121 : if (DECL_STATIC_FUNCTION_P (fn))
3961 : return G_("In static member function %qD");
3962 2996 : else if (DECL_COPY_CONSTRUCTOR_P (fn))
3963 : return G_("In copy constructor %qD");
3964 5910 : else if (DECL_CONSTRUCTOR_P (fn))
3965 : return G_("In constructor %qD");
3966 1976 : else if (DECL_DESTRUCTOR_P (fn))
3967 : return G_("In destructor %qD");
3968 2404 : else if (LAMBDA_FUNCTION_P (fn))
3969 : return G_("In lambda function");
3970 1307 : else if (DECL_XOBJ_MEMBER_FUNCTION_P (fn))
3971 14 : return G_("In explicit object member function %qD");
3972 : else
3973 : return G_("In member function %qD");
3974 : }
3975 : else
3976 : return G_("In function %qD");
3977 : }
3978 :
3979 : /* We expected some kind of tree but instead got T and emitted a diagnostic.
3980 : Print the category of T (type, expression, ...) if possible. */
3981 :
3982 : void
3983 89 : inform_tree_category (tree t)
3984 : {
3985 89 : const location_t loc = location_of (t);
3986 :
3987 89 : t = maybe_get_first_fn (t);
3988 89 : if (TREE_CODE (t) == TYPE_DECL)
3989 5 : t = TREE_TYPE (t);
3990 :
3991 89 : if (TYPE_P (t))
3992 49 : inform (loc, "but %qE is a type", t);
3993 40 : else if (EXPR_P (t))
3994 0 : inform (loc, "but %qE is an expression", t);
3995 40 : else if (DECL_DECOMPOSITION_P (t) && !DECL_DECOMP_IS_BASE (t))
3996 1 : inform (loc, "but %qE is a structured binding", t);
3997 39 : else if (VAR_P (t))
3998 15 : inform (loc, "but %qE is a variable", t);
3999 24 : else if (TREE_CODE (t) == PARM_DECL)
4000 2 : inform (loc, "but %qE is a parameter", t);
4001 22 : else if (TREE_CODE (t) == FUNCTION_DECL)
4002 5 : inform (loc, "but %qE is a function", t);
4003 17 : else if (TREE_CODE (t) == FIELD_DECL)
4004 1 : inform (loc, "but %qE is a data member", t);
4005 16 : else if (DECL_FUNCTION_TEMPLATE_P (t))
4006 2 : inform (loc, "but %qE is a function template", t);
4007 14 : else if (DECL_CLASS_TEMPLATE_P (t))
4008 3 : inform (loc, "but %qE is a class template", t);
4009 11 : else if (TREE_CODE (t) == NAMESPACE_DECL)
4010 8 : inform (loc, "but %qE is a namespace", t);
4011 3 : else if (TREE_CODE (t) == CONST_DECL && !DECL_TEMPLATE_PARM_P (t))
4012 2 : inform (loc, "but %qE is an enumerator", t);
4013 89 : }
4014 :
4015 : /* Disable warnings about missing quoting in GCC diagnostics for
4016 : the pp_verbatim calls. Their format strings deliberately don't
4017 : follow GCC diagnostic conventions. */
4018 : #if __GNUC__ >= 10
4019 : #pragma GCC diagnostic push
4020 : #pragma GCC diagnostic ignored "-Wformat-diag"
4021 : #endif
4022 :
4023 : /* Report the full context of a current template instantiation,
4024 : onto BUFFER. */
4025 : static void
4026 5328 : print_instantiation_full_context (diagnostics::text_sink &text_output)
4027 : {
4028 5328 : struct tinst_level *p = current_instantiation ();
4029 5328 : location_t location = input_location;
4030 :
4031 5328 : if (p)
4032 : {
4033 5328 : bool show_file
4034 5328 : = ((!text_output.show_nesting_p ())
4035 5328 : || text_output.show_locations_in_nesting_p ());
4036 5328 : char *indent = text_output.build_indent_prefix (true);
4037 5328 : bool expansion_stmt_p = TREE_CODE (p->tldcl) == TEMPLATE_FOR_STMT;
4038 10737 : pp_verbatim (text_output.get_printer (),
4039 : expansion_stmt_p
4040 : ? G_("%s%s%sIn instantiation of %<template for%> "
4041 : "iteration %E:\n")
4042 5328 : : p->list_p ()
4043 : ? G_("%s%s%sIn substitution of %qS:\n")
4044 : : G_("%s%s%sIn instantiation of %q#D:\n"),
4045 : indent,
4046 5319 : show_file ? LOCATION_FILE (location) : "",
4047 : show_file ? ": " : "",
4048 : expansion_stmt_p
4049 81 : ? TREE_VEC_ELT (p->targs, 0)
4050 5328 : : p->get_node ());
4051 5328 : free (indent);
4052 5328 : location = p->locus;
4053 5328 : p = p->next;
4054 : }
4055 :
4056 5328 : print_instantiation_partial_context (text_output, p, location);
4057 5328 : }
4058 :
4059 : static void
4060 11947 : print_location (diagnostics::text_sink &text_output,
4061 : location_t loc)
4062 : {
4063 11947 : expanded_location xloc = expand_location (loc);
4064 11947 : pretty_printer *const pp = text_output.get_printer ();
4065 11947 : if (text_output.show_column_p ())
4066 7282 : pp_verbatim (pp, G_("%r%s:%d:%d:%R "),
4067 : "locus", xloc.file, xloc.line, xloc.column);
4068 : else
4069 4665 : pp_verbatim (pp, G_("%r%s:%d:%R "),
4070 : "locus", xloc.file, xloc.line);
4071 11947 : }
4072 :
4073 : /* A RAII class for use when emitting a line of contextual information
4074 : via pp_verbatim to a diagnostics::text_sink to add before/after
4075 : behaviors to the pp_verbatim calls.
4076 :
4077 : If the text output has show_nesting_p (), then the ctor prints
4078 : leading indentation and a bullet point, and the dtor prints
4079 : the location on a new line, and calls diagnostic_show_locus, both
4080 : with indentation (and no bullet point).
4081 :
4082 : Otherwise (when the text output has !show_nesting_p), the ctor prints
4083 : the location as leading information on the same line, and the
4084 : dtor optionally calls diagnostic_show_locus. */
4085 :
4086 : class auto_context_line
4087 : {
4088 : public:
4089 11983 : auto_context_line (diagnostics::text_sink &text_output,
4090 : location_t loc,
4091 : bool show_locus = false)
4092 11983 : : m_text_output (text_output),
4093 11983 : m_loc (loc),
4094 11983 : m_show_locus (show_locus),
4095 11983 : m_nesting_level (text_output.get_context ().get_diagnostic_nesting_level ()),
4096 11983 : m_location_printed (false)
4097 : {
4098 11983 : char *indent = m_text_output.build_indent_prefix (true);
4099 11983 : pp_verbatim (m_text_output.get_printer (), indent);
4100 11983 : free (indent);
4101 11983 : if (m_nesting_level == 0 || !m_text_output.show_nesting_p ())
4102 : {
4103 11947 : print_location (m_text_output, m_loc);
4104 11947 : m_location_printed = true;
4105 : }
4106 11983 : }
4107 11983 : ~auto_context_line ()
4108 : {
4109 11983 : pretty_printer *const pp = m_text_output.get_printer ();
4110 11983 : if (m_text_output.show_nesting_p ())
4111 : {
4112 47 : if (m_text_output.show_locations_in_nesting_p ())
4113 : {
4114 11 : char *indent = m_text_output.build_indent_prefix (false);
4115 11 : if (!m_location_printed)
4116 : {
4117 0 : pp_verbatim (pp, indent);
4118 0 : print_location (m_text_output, m_loc);
4119 0 : pp_newline (pp);
4120 0 : m_location_printed = true;
4121 : }
4122 :
4123 11 : char *saved_prefix = pp_take_prefix (pp);
4124 11 : pp_set_prefix (pp, indent);
4125 11 : gcc_rich_location rich_loc (m_loc);
4126 11 : diagnostic_show_locus (&m_text_output.get_context (),
4127 11 : m_text_output.get_source_printing_options (),
4128 : &rich_loc,
4129 : diagnostics::kind::note, pp);
4130 11 : pp_set_prefix (pp, saved_prefix);
4131 11 : }
4132 : }
4133 11936 : else if (m_show_locus)
4134 : {
4135 7071 : char *saved_prefix = pp_take_prefix (pp);
4136 7071 : pp_set_prefix (pp, nullptr);
4137 7071 : gcc_rich_location rich_loc (m_loc);
4138 7071 : diagnostic_show_locus (&m_text_output.get_context (),
4139 7071 : m_text_output.get_source_printing_options (),
4140 : &rich_loc,
4141 : diagnostics::kind::note, pp);
4142 7071 : pp_set_prefix (pp, saved_prefix);
4143 7071 : }
4144 11983 : }
4145 : private:
4146 : diagnostics::text_sink &m_text_output;
4147 : location_t m_loc;
4148 : bool m_show_locus;
4149 : int m_nesting_level;
4150 : bool m_location_printed;
4151 : };
4152 :
4153 : /* Helper function of print_instantiation_partial_context() that
4154 : prints a single line of instantiation context. */
4155 :
4156 : static void
4157 7091 : print_instantiation_partial_context_line (diagnostics::text_sink &text_output,
4158 : struct tinst_level *t,
4159 : location_t loc, bool recursive_p)
4160 : {
4161 7091 : if (loc == UNKNOWN_LOCATION)
4162 0 : return;
4163 :
4164 7091 : auto_context_line sentinel (text_output, loc, true);
4165 :
4166 7091 : pretty_printer *const pp = text_output.get_printer ();
4167 :
4168 7091 : if (t != NULL)
4169 : {
4170 1763 : if (TREE_CODE (t->tldcl) == TEMPLATE_FOR_STMT)
4171 0 : pp_verbatim (pp,
4172 : recursive_p
4173 : ? G_("recursively required from %<template for%> "
4174 : "iteration %E\n")
4175 : : G_("required from %<template for%> iteration %E\n"),
4176 0 : TREE_VEC_ELT (t->targs, 0));
4177 1763 : else if (t->list_p ())
4178 756 : pp_verbatim (pp,
4179 : recursive_p
4180 : ? G_("recursively required by substitution of %qS\n")
4181 : : G_("required by substitution of %qS\n"),
4182 : t->get_node ());
4183 : else
4184 2862 : pp_verbatim (pp,
4185 : recursive_p
4186 : ? G_("recursively required from %q#D\n")
4187 : : G_("required from %q#D\n"),
4188 : t->get_node ());
4189 : }
4190 : else
4191 : {
4192 10656 : pp_verbatim (pp,
4193 : recursive_p
4194 : ? G_("recursively required from here\n")
4195 : : G_("required from here\n"));
4196 : }
4197 7091 : }
4198 :
4199 : /* Same as print_instantiation_full_context but less verbose. */
4200 :
4201 : static void
4202 5328 : print_instantiation_partial_context (diagnostics::text_sink &text_output,
4203 : struct tinst_level *t0, location_t loc)
4204 : {
4205 5328 : struct tinst_level *t;
4206 5328 : int n_total = 0;
4207 5328 : int n;
4208 5328 : location_t prev_loc = loc;
4209 :
4210 40013 : for (t = t0; t != NULL; t = t->next)
4211 34685 : if (prev_loc != t->locus)
4212 : {
4213 1697 : prev_loc = t->locus;
4214 1697 : n_total++;
4215 : }
4216 :
4217 5328 : t = t0;
4218 :
4219 5328 : if (template_backtrace_limit
4220 5328 : && n_total > template_backtrace_limit)
4221 : {
4222 0 : int skip = n_total - template_backtrace_limit;
4223 0 : int head = template_backtrace_limit / 2;
4224 :
4225 : /* Avoid skipping just 1. If so, skip 2. */
4226 0 : if (skip == 1)
4227 : {
4228 0 : skip = 2;
4229 0 : head = (template_backtrace_limit - 1) / 2;
4230 : }
4231 :
4232 0 : for (n = 0; n < head; n++)
4233 : {
4234 0 : gcc_assert (t != NULL);
4235 0 : if (loc != t->locus)
4236 0 : print_instantiation_partial_context_line (text_output, t, loc,
4237 : /*recursive_p=*/false);
4238 0 : loc = t->locus;
4239 0 : t = t->next;
4240 : }
4241 0 : if (t != NULL && skip > 0)
4242 : {
4243 0 : auto_context_line sentinel (text_output, loc);
4244 0 : pp_verbatim (text_output.get_printer (),
4245 : G_("[ skipping %d instantiation contexts,"
4246 : " use -ftemplate-backtrace-limit=0 to disable ]\n"),
4247 : skip);
4248 0 : do {
4249 0 : loc = t->locus;
4250 0 : t = t->next;
4251 0 : } while (t != NULL && --skip > 0);
4252 0 : }
4253 : }
4254 :
4255 7091 : while (t != NULL)
4256 : {
4257 34685 : while (t->next != NULL && t->locus == t->next->locus)
4258 : {
4259 : loc = t->locus;
4260 : t = t->next;
4261 : }
4262 1763 : print_instantiation_partial_context_line (text_output, t, loc,
4263 1763 : t->locus == loc);
4264 1763 : loc = t->locus;
4265 1763 : t = t->next;
4266 : }
4267 5328 : print_instantiation_partial_context_line (text_output, NULL, loc,
4268 : /*recursive_p=*/false);
4269 5328 : }
4270 :
4271 : /* Called from cp_thing to print the template context for an error. */
4272 : static void
4273 225036 : maybe_print_instantiation_context (diagnostics::text_sink &text_output)
4274 : {
4275 225036 : if (!problematic_instantiation_changed () || current_instantiation () == 0)
4276 219708 : return;
4277 :
4278 5328 : record_last_problematic_instantiation ();
4279 5328 : print_instantiation_full_context (text_output);
4280 : }
4281 :
4282 : /* Report what constexpr call(s) we're trying to expand, if any. */
4283 :
4284 : void
4285 224917 : maybe_print_constexpr_context (diagnostics::text_sink &text_output)
4286 : {
4287 224917 : vec<tree> call_stack = cx_error_context ();
4288 224917 : unsigned ix;
4289 224917 : tree t;
4290 :
4291 228099 : FOR_EACH_VEC_ELT (call_stack, ix, t)
4292 : {
4293 3182 : const char *s = expr_as_string (t, 0);
4294 3182 : pretty_printer *const pp = text_output.get_printer ();
4295 3182 : auto_context_line sentinel (text_output, EXPR_LOCATION (t));
4296 3182 : pp_verbatim (pp,
4297 : G_("in %<constexpr%> expansion of %qs"),
4298 : s);
4299 3182 : pp_newline (pp);
4300 3182 : }
4301 224917 : }
4302 :
4303 :
4304 : static void
4305 603 : print_constrained_decl_info (diagnostics::text_sink &text_output,
4306 : tree decl)
4307 : {
4308 603 : auto_context_line sentinel (text_output, DECL_SOURCE_LOCATION (decl));
4309 603 : pretty_printer *const pp = text_output.get_printer ();
4310 603 : pp_verbatim (pp, G_("required by the constraints of %q#D\n"), decl);
4311 603 : }
4312 :
4313 : static void
4314 789 : print_concept_check_info (diagnostics::text_sink &text_output,
4315 : tree expr, tree map, tree args)
4316 : {
4317 789 : gcc_assert (concept_check_p (expr));
4318 :
4319 789 : tree tmpl = TREE_OPERAND (expr, 0);
4320 :
4321 789 : auto_context_line sentinel (text_output, DECL_SOURCE_LOCATION (tmpl));
4322 :
4323 789 : cxx_pretty_printer *const pp
4324 789 : = (cxx_pretty_printer *)text_output.get_printer ();
4325 789 : pp_verbatim (pp, G_("required for the satisfaction of %qE"), expr);
4326 789 : if (map && map != error_mark_node)
4327 : {
4328 771 : tree subst_map = tsubst_parameter_mapping (map, args, tf_none, NULL_TREE);
4329 773 : pp_cxx_parameter_mapping (pp, (subst_map != error_mark_node
4330 : ? subst_map : map));
4331 : }
4332 789 : pp_newline (pp);
4333 789 : }
4334 :
4335 : /* Diagnose the entry point into the satisfaction error. Returns the next
4336 : context, if any. */
4337 :
4338 : static tree
4339 1324 : print_constraint_context_head (diagnostics::text_sink &text_output,
4340 : tree cxt, tree args)
4341 : {
4342 1324 : tree src = TREE_VALUE (cxt);
4343 1324 : if (!src)
4344 : {
4345 0 : auto_context_line sentinel (text_output, input_location);
4346 0 : pretty_printer *const pp = text_output.get_printer ();
4347 0 : pp_verbatim (pp, G_("required for constraint satisfaction\n"));
4348 0 : return NULL_TREE;
4349 0 : }
4350 1324 : if (DECL_P (src))
4351 : {
4352 603 : print_constrained_decl_info (text_output, src);
4353 603 : return NULL_TREE;
4354 : }
4355 : else
4356 : {
4357 721 : print_concept_check_info (text_output, src, TREE_PURPOSE (cxt), args);
4358 721 : return TREE_CHAIN (cxt);
4359 : }
4360 : }
4361 :
4362 : static void
4363 320 : print_requires_expression_info (diagnostics::text_sink &text_output,
4364 : tree constr, tree args)
4365 : {
4366 :
4367 320 : tree expr = ATOMIC_CONSTR_EXPR (constr);
4368 320 : tree map = ATOMIC_CONSTR_MAP (constr);
4369 320 : map = tsubst_parameter_mapping (map, args, tf_none, NULL_TREE);
4370 320 : if (map == error_mark_node)
4371 2 : return;
4372 :
4373 318 : auto_context_line sentinel (text_output, cp_expr_loc_or_input_loc (expr));
4374 318 : cxx_pretty_printer *const pp
4375 318 : = static_cast <cxx_pretty_printer *> (text_output.get_printer ());
4376 :
4377 318 : tree parms = TREE_OPERAND (expr, 0);
4378 318 : pp_verbatim (pp, parms ? G_("in requirements with ")
4379 : : G_("in requirements "));
4380 923 : while (parms)
4381 : {
4382 287 : pp_verbatim (pp, "%q#D", parms);
4383 287 : if (TREE_CHAIN (parms))
4384 97 : pp_separate_with_comma (pp);
4385 287 : parms = TREE_CHAIN (parms);
4386 : }
4387 318 : pp_cxx_parameter_mapping (pp, map);
4388 :
4389 318 : pp_verbatim (pp, "\n");
4390 318 : }
4391 :
4392 : void
4393 1351 : maybe_print_single_constraint_context (diagnostics::text_sink &text_output,
4394 : tree failed)
4395 : {
4396 1351 : if (!failed)
4397 : return;
4398 :
4399 1351 : tree constr = TREE_VALUE (failed);
4400 1351 : if (!constr || constr == error_mark_node)
4401 : return;
4402 1351 : tree cxt = CONSTR_CONTEXT (constr);
4403 1351 : if (!cxt)
4404 : return;
4405 1324 : tree args = TREE_PURPOSE (failed);
4406 :
4407 : /* Print the stack of requirements. */
4408 1324 : cxt = print_constraint_context_head (text_output, cxt, args);
4409 3374 : while (cxt && !DECL_P (TREE_VALUE (cxt)))
4410 : {
4411 68 : tree expr = TREE_VALUE (cxt);
4412 68 : tree map = TREE_PURPOSE (cxt);
4413 68 : print_concept_check_info (text_output, expr, map, args);
4414 68 : cxt = TREE_CHAIN (cxt);
4415 : }
4416 :
4417 : /* For certain constraints, we can provide additional context. */
4418 1324 : if (TREE_CODE (constr) == ATOMIC_CONSTR
4419 1324 : && TREE_CODE (ATOMIC_CONSTR_EXPR (constr)) == REQUIRES_EXPR)
4420 320 : print_requires_expression_info (text_output, constr, args);
4421 : }
4422 :
4423 : void
4424 224920 : maybe_print_constraint_context (diagnostics::text_sink &text_output)
4425 : {
4426 224920 : if (!current_failed_constraint)
4427 : return;
4428 :
4429 1351 : tree cur = current_failed_constraint;
4430 :
4431 : /* Recursively print nested contexts. */
4432 1351 : current_failed_constraint = TREE_CHAIN (current_failed_constraint);
4433 1351 : if (current_failed_constraint)
4434 3 : maybe_print_constraint_context (text_output);
4435 :
4436 : /* Print this context. */
4437 1351 : maybe_print_single_constraint_context (text_output, cur);
4438 : }
4439 :
4440 : /* Return true iff TYPE_A and TYPE_B are template types that are
4441 : meaningful to compare. */
4442 :
4443 : static bool
4444 11459 : comparable_template_types_p (tree type_a, tree type_b)
4445 : {
4446 11459 : if (!CLASS_TYPE_P (type_a))
4447 : return false;
4448 1330 : if (!CLASS_TYPE_P (type_b))
4449 : return false;
4450 :
4451 411 : tree tinfo_a = TYPE_TEMPLATE_INFO (type_a);
4452 411 : tree tinfo_b = TYPE_TEMPLATE_INFO (type_b);
4453 411 : if (!tinfo_a || !tinfo_b)
4454 : return false;
4455 :
4456 250 : return TI_TEMPLATE (tinfo_a) == TI_TEMPLATE (tinfo_b);
4457 : }
4458 :
4459 : /* Start a new line indented by SPC spaces on PP. */
4460 :
4461 : static void
4462 228 : newline_and_indent (pretty_printer *pp, int spc)
4463 : {
4464 228 : pp_newline (pp);
4465 1020 : for (int i = 0; i < spc; i++)
4466 792 : pp_space (pp);
4467 228 : }
4468 :
4469 : /* Generate a GC-allocated string for ARG, an expression or type. */
4470 :
4471 : static const char *
4472 628 : arg_to_string (tree arg, bool verbose)
4473 : {
4474 628 : if (TYPE_P (arg))
4475 366 : return type_to_string (arg, verbose, true, NULL, false);
4476 : else
4477 262 : return expr_to_string (arg);
4478 : }
4479 :
4480 : /* Subroutine to type_to_string_with_compare and
4481 : print_template_tree_comparison.
4482 :
4483 : Print a representation of ARG (an expression or type) to PP,
4484 : colorizing it if PP->show_color, using HIGHLIGHT_COLOR,
4485 : or "type-diff" if the latter is NULL. */
4486 :
4487 : static void
4488 616 : print_nonequal_arg (pretty_printer *pp, tree arg, bool verbose,
4489 : const char *highlight_color)
4490 : {
4491 616 : if (!highlight_color)
4492 10 : highlight_color = "type-diff";
4493 1232 : pp_printf (pp, "%r%s%R",
4494 : highlight_color,
4495 : (arg
4496 616 : ? arg_to_string (arg, verbose)
4497 : : G_("(no argument)")));
4498 616 : }
4499 :
4500 : /* Recursively print template TYPE_A to PP, as compared to template TYPE_B.
4501 :
4502 : The types must satisfy comparable_template_types_p.
4503 :
4504 : If INDENT is 0, then this is equivalent to type_to_string (TYPE_A), but
4505 : potentially colorizing/eliding in comparison with TYPE_B.
4506 :
4507 : For example given types:
4508 : vector<map<int,double>>
4509 : and
4510 : vector<map<int,float>>
4511 : then the result on PP would be:
4512 : vector<map<[...],double>>
4513 : with type elision, and:
4514 : vector<map<int,double>>
4515 : without type elision.
4516 :
4517 : In both cases the parts of TYPE that differ from PEER will be colorized
4518 : if pp_show_color (pp) is true. In the above example, this would be
4519 : "double".
4520 :
4521 : If INDENT is non-zero, then the types are printed in a tree-like form
4522 : which shows both types. In the above example, the result on PP would be:
4523 :
4524 : vector<
4525 : map<
4526 : [...],
4527 : [double != float]>>
4528 :
4529 : and without type-elision would be:
4530 :
4531 : vector<
4532 : map<
4533 : int,
4534 : [double != float]>>
4535 :
4536 : As before, the differing parts of the types are colorized if
4537 : pp_show_color (pp) is true ("double" and "float" in this example).
4538 :
4539 : Template arguments in which both types are using the default arguments
4540 : are not printed; if at least one of the two types is using a non-default
4541 : argument, then that argument is printed (or both arguments for the
4542 : tree-like print format). */
4543 :
4544 : static void
4545 443 : print_template_differences (pretty_printer *pp, tree type_a, tree type_b,
4546 : bool verbose, int indent,
4547 : const char *highlight_color_a,
4548 : const char *highlight_color_b)
4549 : {
4550 443 : if (indent)
4551 85 : newline_and_indent (pp, indent);
4552 :
4553 443 : tree tinfo_a = TYPE_TEMPLATE_INFO (type_a);
4554 443 : tree tinfo_b = TYPE_TEMPLATE_INFO (type_b);
4555 :
4556 443 : pp_printf (pp, "%s<",
4557 443 : IDENTIFIER_POINTER (DECL_NAME (TI_TEMPLATE (tinfo_a))));
4558 :
4559 443 : tree args_a = TI_ARGS (tinfo_a);
4560 443 : tree args_b = TI_ARGS (tinfo_b);
4561 443 : gcc_assert (TREE_CODE (args_a) == TREE_VEC);
4562 443 : gcc_assert (TREE_CODE (args_b) == TREE_VEC);
4563 443 : int flags = 0;
4564 443 : int len_a = get_non_default_template_args_count (args_a, flags);
4565 443 : args_a = INNERMOST_TEMPLATE_ARGS (args_a);
4566 443 : int len_b = get_non_default_template_args_count (args_b, flags);
4567 443 : args_b = INNERMOST_TEMPLATE_ARGS (args_b);
4568 : /* Determine the maximum range of args for which non-default template args
4569 : were used; beyond this, only default args (if any) were used, and so
4570 : they will be equal from this point onwards.
4571 : One of the two peers might have used default arguments within this
4572 : range, but the other will be using non-default arguments, and so
4573 : it's more readable to print both within this range, to highlight
4574 : the differences. */
4575 443 : int len_max = MAX (len_a, len_b);
4576 443 : gcc_assert (TREE_CODE (args_a) == TREE_VEC);
4577 443 : gcc_assert (TREE_CODE (args_b) == TREE_VEC);
4578 1116 : for (int idx = 0; idx < len_max; idx++)
4579 : {
4580 673 : if (idx)
4581 230 : pp_character (pp, ',');
4582 :
4583 673 : tree arg_a = TREE_VEC_ELT (args_a, idx);
4584 673 : tree arg_b = TREE_VEC_ELT (args_b, idx);
4585 673 : if (arg_a == arg_b)
4586 : {
4587 128 : if (indent)
4588 39 : newline_and_indent (pp, indent + 2);
4589 : /* Can do elision here, printing "[...]". */
4590 128 : if (flag_elide_type)
4591 116 : pp_string (pp, G_("[...]"));
4592 : else
4593 12 : pp_string (pp, arg_to_string (arg_a, verbose));
4594 : }
4595 : else
4596 : {
4597 545 : int new_indent = indent ? indent + 2 : 0;
4598 545 : if (comparable_template_types_p (arg_a, arg_b))
4599 33 : print_template_differences (pp, arg_a, arg_b, verbose, new_indent,
4600 : highlight_color_a, highlight_color_b);
4601 : else
4602 512 : if (indent)
4603 : {
4604 104 : newline_and_indent (pp, indent + 2);
4605 104 : pp_character (pp, '[');
4606 104 : print_nonequal_arg (pp, arg_a, verbose, highlight_color_a);
4607 104 : pp_string (pp, " != ");
4608 104 : print_nonequal_arg (pp, arg_b, verbose, highlight_color_b);
4609 104 : pp_character (pp, ']');
4610 : }
4611 : else
4612 408 : print_nonequal_arg (pp, arg_a, verbose, highlight_color_a);
4613 : }
4614 : }
4615 443 : pp_printf (pp, ">");
4616 443 : }
4617 :
4618 : /* As type_to_string, but for a template, potentially colorizing/eliding
4619 : in comparison with PEER.
4620 : For example, if TYPE is map<int,double> and PEER is map<int,int>,
4621 : then the resulting string would be:
4622 : map<[...],double>
4623 : with type elision, and:
4624 : map<int,double>
4625 : without type elision.
4626 :
4627 : In both cases the parts of TYPE that differ from PEER will be colorized
4628 : if SHOW_COLOR is true. In the above example, this would be "double".
4629 :
4630 : Template arguments in which both types are using the default arguments
4631 : are not printed; if at least one of the two types is using a non-default
4632 : argument, then both arguments are printed.
4633 :
4634 : The resulting string is in a GC-allocated buffer. */
4635 :
4636 : static const char *
4637 336 : type_to_string_with_compare (tree type, tree peer, bool verbose,
4638 : bool show_color,
4639 : const char *this_highlight_color,
4640 : const char *peer_highlight_color)
4641 : {
4642 336 : pretty_printer inner_pp;
4643 336 : pretty_printer *pp = &inner_pp;
4644 336 : pp_show_color (pp) = show_color;
4645 :
4646 336 : print_template_differences (pp, type, peer, verbose, 0,
4647 : this_highlight_color, peer_highlight_color);
4648 336 : return pp_ggc_formatted_text (pp);
4649 336 : }
4650 :
4651 : /* Recursively print a tree-like comparison of TYPE_A and TYPE_B to PP,
4652 : indented by INDENT spaces.
4653 :
4654 : For example given types:
4655 :
4656 : vector<map<int,double>>
4657 :
4658 : and
4659 :
4660 : vector<map<double,float>>
4661 :
4662 : the output with type elision would be:
4663 :
4664 : vector<
4665 : map<
4666 : [...],
4667 : [double != float]>>
4668 :
4669 : and without type-elision would be:
4670 :
4671 : vector<
4672 : map<
4673 : int,
4674 : [double != float]>>
4675 :
4676 : TYPE_A and TYPE_B must both be comparable template types
4677 : (as per comparable_template_types_p).
4678 :
4679 : Template arguments in which both types are using the default arguments
4680 : are not printed; if at least one of the two types is using a non-default
4681 : argument, then both arguments are printed. */
4682 :
4683 : static void
4684 74 : print_template_tree_comparison (pretty_printer *pp, tree type_a, tree type_b,
4685 : bool verbose, int indent,
4686 : const char *highlight_color_a,
4687 : const char *highlight_color_b)
4688 : {
4689 0 : print_template_differences (pp, type_a, type_b, verbose, indent,
4690 : highlight_color_a,
4691 : highlight_color_b);
4692 0 : }
4693 :
4694 : /* Subroutine for use in a format_postprocessor::handle
4695 : implementation. Adds a chunk to the end of
4696 : formatted output, so that it will be printed
4697 : by pp_output_formatted_text. */
4698 :
4699 : static void
4700 74 : append_formatted_chunk (pretty_printer *pp, const char *content)
4701 : {
4702 74 : output_buffer *buffer = pp_buffer (pp);
4703 74 : pp_formatted_chunks *chunk_array = buffer->m_cur_formatted_chunks;
4704 0 : chunk_array->append_formatted_chunk (buffer->m_chunk_obstack, content);
4705 0 : }
4706 :
4707 : #if __GNUC__ >= 10
4708 : #pragma GCC diagnostic pop
4709 : #endif
4710 :
4711 : /* If we had %H and %I, and hence deferred printing them,
4712 : print them now, storing the result into custom_token_value
4713 : for the custom pp_token. Quote them if 'q' was provided.
4714 : Also print the difference in tree form, adding it as
4715 : an additional chunk. */
4716 :
4717 : void
4718 345258 : cxx_format_postprocessor::handle (pretty_printer *pp)
4719 : {
4720 : /* If we have one of %H and %I, the other should have
4721 : been present. */
4722 345258 : if (m_type_a.m_tree || m_type_b.m_tree)
4723 : {
4724 10480 : const bool show_highlight_colors = pp_show_highlight_colors (pp);
4725 10480 : const char *percent_h
4726 10480 : = show_highlight_colors ? highlight_colors::percent_h : nullptr;
4727 2 : const char *percent_i
4728 : = show_highlight_colors ? highlight_colors::percent_i : nullptr;
4729 : /* Avoid reentrancy issues by working with a copy of
4730 : m_type_a and m_type_b, resetting them now. */
4731 10480 : deferred_printed_type type_a = std::move (m_type_a);
4732 10480 : deferred_printed_type type_b = std::move (m_type_b);
4733 10480 : m_type_a = deferred_printed_type ();
4734 10480 : m_type_b = deferred_printed_type ();
4735 :
4736 10480 : gcc_assert (type_a.m_token_list);
4737 10480 : gcc_assert (type_b.m_token_list);
4738 :
4739 10480 : bool show_color = pp_show_color (pp);
4740 :
4741 10480 : const char *type_a_text;
4742 10480 : const char *type_b_text;
4743 :
4744 10480 : if (comparable_template_types_p (type_a.m_tree, type_b.m_tree))
4745 : {
4746 167 : type_a_text = type_to_string_with_compare
4747 167 : (type_a.m_tree, type_b.m_tree,
4748 : type_a.m_verbose, show_color,
4749 : percent_h, percent_i);
4750 167 : type_b_text = type_to_string_with_compare
4751 167 : (type_b.m_tree, type_a.m_tree,
4752 : type_b.m_verbose, show_color,
4753 : percent_i, percent_h);
4754 :
4755 167 : if (flag_diagnostics_show_template_tree)
4756 : {
4757 74 : pretty_printer inner_pp;
4758 74 : pp_show_color (&inner_pp) = pp_show_color (pp);
4759 74 : print_template_tree_comparison
4760 74 : (&inner_pp, type_a.m_tree, type_b.m_tree, type_a.m_verbose, 2,
4761 : percent_h, percent_i);
4762 74 : append_formatted_chunk (pp, pp_ggc_formatted_text (&inner_pp));
4763 74 : }
4764 : }
4765 : else
4766 : {
4767 : /* If the types were not comparable (or if only one of %H/%I was
4768 : provided), they are printed normally, and no difference tree
4769 : is printed. */
4770 10313 : type_a_text = type_to_string (type_a.m_tree, type_a.m_verbose,
4771 : true, &type_a.m_quote, show_color,
4772 : percent_h);
4773 10313 : type_b_text = type_to_string (type_b.m_tree, type_b.m_verbose,
4774 : true, &type_b.m_quote, show_color,
4775 : percent_i);
4776 : }
4777 :
4778 10480 : type_a.set_text_for_token_list (type_a_text, type_a.m_quote);
4779 10480 : type_b.set_text_for_token_list (type_b_text, type_b.m_quote);
4780 10480 : }
4781 345258 : }
4782 :
4783 : /* Subroutine for handling %H and %I, to support i18n of messages like:
4784 :
4785 : error_at (loc, "could not convert %qE from %qH to %qI",
4786 : expr, type_a, type_b);
4787 :
4788 : so that we can print things like:
4789 :
4790 : could not convert 'foo' from 'map<int,double>' to 'map<int,int>'
4791 :
4792 : and, with type-elision:
4793 :
4794 : could not convert 'foo' from 'map<[...],double>' to 'map<[...],int>'
4795 :
4796 : (with color-coding of the differences between the types).
4797 :
4798 : The %H and %I format codes are peers: both must be present,
4799 : and they affect each other. Hence to handle them, we must
4800 : delay printing until we have both, deferring the printing to
4801 : pretty_printer's m_format_postprocessor hook.
4802 :
4803 : This is called in phase 2 of pp_format, when it is accumulating
4804 : a series of pp_token lists. Since we have to interact with the
4805 : fiddly quoting logic for "aka", we store the pp_token_list *
4806 : and in the m_format_postprocessor hook we generate text for the type
4807 : (possibly with quotes and colors), then replace all tokens in that token list
4808 : (such as [BEGIN_QUOTE, END_QUOTE]) with a text token containing the
4809 : freshly generated text.
4810 :
4811 : We also need to stash whether a 'q' prefix was provided (the QUOTE
4812 : param) so that we can add the quotes when writing out the delayed
4813 : chunk. */
4814 :
4815 : static void
4816 20960 : defer_phase_2_of_type_diff (deferred_printed_type *deferred,
4817 : tree type,
4818 : pp_token_list &formatted_token_list,
4819 : bool verbose, bool quote)
4820 : {
4821 20960 : gcc_assert (deferred->m_tree == NULL_TREE);
4822 41920 : *deferred = deferred_printed_type (type, formatted_token_list,
4823 20960 : verbose, quote);
4824 20960 : }
4825 :
4826 : /* Implementation of pp_markup::element_quoted_type::print_type
4827 : for C++/ObjC++. */
4828 :
4829 : void
4830 752 : pp_markup::element_quoted_type::print_type (pp_markup::context &ctxt)
4831 : {
4832 752 : const char *highlight_color
4833 752 : = pp_show_highlight_colors (&ctxt.m_pp) ? m_highlight_color : nullptr;
4834 752 : const char *result
4835 1504 : = type_to_string (m_type, false, false, &ctxt.m_quoted,
4836 752 : pp_show_color (&ctxt.m_pp), highlight_color);
4837 752 : pp_string (&ctxt.m_pp, result);
4838 752 : }
4839 :
4840 : /* Called from output_format -- during diagnostic message processing --
4841 : to handle C++ specific format specifier with the following meanings:
4842 : %A function argument-list.
4843 : %C tree code.
4844 : %D declaration.
4845 : %E expression.
4846 : %F function declaration.
4847 : %H type difference (from).
4848 : %I type difference (to).
4849 : %L language as used in extern "lang".
4850 : %O binary operator.
4851 : %P function parameter whose position is indicated by an integer.
4852 : %Q assignment operator.
4853 : %S substitution (template + args)
4854 : %T type.
4855 : %V cv-qualifier.
4856 : %X exception-specification. */
4857 : static bool
4858 218697 : cp_printer (pretty_printer *pp, text_info *text, const char *spec,
4859 : int precision, bool wide, bool set_locus, bool verbose,
4860 : bool *quoted, pp_token_list &formatted_token_list)
4861 : {
4862 218697 : gcc_assert (pp_format_postprocessor (pp));
4863 218697 : cxx_format_postprocessor *postprocessor
4864 218697 : = static_cast <cxx_format_postprocessor *> (pp_format_postprocessor (pp));
4865 :
4866 218697 : const char *result;
4867 218697 : tree t = NULL;
4868 : #define next_tree (t = va_arg (*text->m_args_ptr, tree))
4869 : #define next_tcode ((enum tree_code) va_arg (*text->m_args_ptr, int))
4870 : #define next_lang ((enum languages) va_arg (*text->m_args_ptr, int))
4871 : #define next_int va_arg (*text->m_args_ptr, int)
4872 :
4873 218697 : if (precision != 0 || wide)
4874 : return false;
4875 :
4876 218697 : switch (*spec)
4877 : {
4878 3891 : case 'A': result = args_to_string (next_tree, verbose); break;
4879 2 : case 'C': result = code_to_string (next_tcode); break;
4880 99019 : case 'D':
4881 99019 : {
4882 99019 : tree temp = next_tree;
4883 99019 : if (VAR_P (temp)
4884 99019 : && DECL_HAS_DEBUG_EXPR_P (temp))
4885 : {
4886 24 : temp = DECL_DEBUG_EXPR (temp);
4887 24 : if (!DECL_P (temp))
4888 : {
4889 24 : result = expr_to_string (temp);
4890 24 : break;
4891 : }
4892 : }
4893 98995 : result = decl_to_string (temp, verbose, pp_show_color (pp));
4894 : }
4895 98995 : break;
4896 49498 : case 'E': result = expr_to_string (next_tree); break;
4897 350 : case 'F': result = fndecl_to_string (next_tree, verbose); break;
4898 10480 : case 'H':
4899 20960 : defer_phase_2_of_type_diff (&postprocessor->m_type_a, next_tree,
4900 10480 : formatted_token_list, verbose, *quoted);
4901 10480 : return true;
4902 10480 : case 'I':
4903 20960 : defer_phase_2_of_type_diff (&postprocessor->m_type_b, next_tree,
4904 10480 : formatted_token_list, verbose, *quoted);
4905 10480 : return true;
4906 24 : case 'L': result = language_to_string (next_lang); break;
4907 297 : case 'O': result = op_to_string (false, next_tcode); break;
4908 1535 : case 'P': result = parm_to_string (next_int); break;
4909 24 : case 'Q': result = op_to_string (true, next_tcode); break;
4910 1551 : case 'S': result = subst_to_string (next_tree, pp_show_color (pp)); break;
4911 40904 : case 'T':
4912 40904 : {
4913 81808 : result = type_to_string (next_tree, verbose, false, quoted,
4914 40904 : pp_show_color (pp));
4915 : }
4916 40904 : break;
4917 639 : case 'V': result = cv_to_string (next_tree, verbose); break;
4918 3 : case 'X': result = eh_spec_to_string (next_tree, verbose); break;
4919 :
4920 : default:
4921 : return false;
4922 : }
4923 :
4924 197737 : pp_string (pp, result);
4925 197737 : if (set_locus && t != NULL)
4926 1772 : text->set_location (0, location_of (t), SHOW_RANGE_WITH_CARET);
4927 : return true;
4928 : #undef next_tree
4929 : #undef next_tcode
4930 : #undef next_lang
4931 : #undef next_int
4932 : }
4933 :
4934 : /* Warn about the use of C++0x features when appropriate. */
4935 : void
4936 83550504 : maybe_warn_cpp0x (cpp0x_warn_str str, location_t loc/*=input_location*/)
4937 : {
4938 83550504 : if (cxx_dialect == cxx98)
4939 4266 : switch (str)
4940 : {
4941 180 : case CPP0X_INITIALIZER_LISTS:
4942 180 : pedwarn (loc, OPT_Wc__11_extensions,
4943 : "extended initializer lists "
4944 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4945 180 : break;
4946 0 : case CPP0X_EXPLICIT_CONVERSION:
4947 0 : pedwarn (loc, OPT_Wc__11_extensions,
4948 : "explicit conversion operators "
4949 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4950 0 : break;
4951 1390 : case CPP0X_VARIADIC_TEMPLATES:
4952 1390 : pedwarn (loc, OPT_Wc__11_extensions,
4953 : "variadic templates "
4954 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4955 1390 : break;
4956 6 : case CPP0X_LAMBDA_EXPR:
4957 6 : pedwarn (loc, OPT_Wc__11_extensions,
4958 : "lambda expressions "
4959 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4960 6 : break;
4961 0 : case CPP0X_AUTO:
4962 0 : pedwarn (loc, OPT_Wc__11_extensions,
4963 : "C++11 auto only available with %<-std=c++11%> or "
4964 : "%<-std=gnu++11%>");
4965 0 : break;
4966 15 : case CPP0X_SCOPED_ENUMS:
4967 15 : pedwarn (loc, OPT_Wc__11_extensions,
4968 : "scoped enums only available with %<-std=c++11%> or "
4969 : "%<-std=gnu++11%>");
4970 15 : break;
4971 499 : case CPP0X_DEFAULTED_DELETED:
4972 499 : pedwarn (loc, OPT_Wc__11_extensions,
4973 : "defaulted and deleted functions "
4974 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4975 499 : break;
4976 1885 : case CPP0X_INLINE_NAMESPACES:
4977 1885 : if (pedantic)
4978 581 : pedwarn (loc, OPT_Wc__11_extensions,
4979 : "inline namespaces "
4980 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4981 : break;
4982 3 : case CPP0X_OVERRIDE_CONTROLS:
4983 3 : pedwarn (loc, OPT_Wc__11_extensions,
4984 : "override controls (override/final) "
4985 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4986 3 : break;
4987 132 : case CPP0X_NSDMI:
4988 132 : pedwarn (loc, OPT_Wc__11_extensions,
4989 : "non-static data member initializers "
4990 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4991 132 : break;
4992 4 : case CPP0X_USER_DEFINED_LITERALS:
4993 4 : pedwarn (loc, OPT_Wc__11_extensions,
4994 : "user-defined literals "
4995 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
4996 4 : break;
4997 3 : case CPP0X_DELEGATING_CTORS:
4998 3 : pedwarn (loc, OPT_Wc__11_extensions,
4999 : "delegating constructors "
5000 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
5001 3 : break;
5002 3 : case CPP0X_INHERITING_CTORS:
5003 3 : pedwarn (loc, OPT_Wc__11_extensions,
5004 : "inheriting constructors "
5005 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
5006 3 : break;
5007 146 : case CPP0X_ATTRIBUTES:
5008 146 : if (pedantic)
5009 24 : pedwarn (loc, OPT_Wc__11_extensions,
5010 : "C++11 attributes "
5011 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
5012 : break;
5013 0 : case CPP0X_REF_QUALIFIER:
5014 0 : pedwarn (loc, OPT_Wc__11_extensions,
5015 : "ref-qualifiers "
5016 : "only available with %<-std=c++11%> or %<-std=gnu++11%>");
5017 0 : break;
5018 0 : default:
5019 0 : gcc_unreachable ();
5020 : }
5021 83550504 : }
5022 :
5023 : /* Warn about the use of variadic templates when appropriate. */
5024 : void
5025 13724923 : maybe_warn_variadic_templates (void)
5026 : {
5027 13724923 : maybe_warn_cpp0x (CPP0X_VARIADIC_TEMPLATES);
5028 13724923 : }
5029 :
5030 :
5031 : /* Issue an ISO C++98 pedantic warning at LOCATION, conditional on
5032 : option OPTION_ID with text GMSGID. Use this function to report
5033 : diagnostics for constructs that are invalid C++98, but valid
5034 : C++0x. */
5035 : bool
5036 3609127 : pedwarn_cxx98 (location_t location,
5037 : diagnostics::option_id option_id,
5038 : const char *gmsgid, ...)
5039 : {
5040 3609127 : diagnostics::diagnostic_info diagnostic;
5041 3609127 : va_list ap;
5042 3609127 : bool ret;
5043 3609127 : rich_location richloc (line_table, location);
5044 :
5045 3609127 : va_start (ap, gmsgid);
5046 3609127 : diagnostic_set_info (&diagnostic, gmsgid, &ap, &richloc,
5047 3609127 : (cxx_dialect == cxx98
5048 : ? diagnostics::kind::pedwarn
5049 : : diagnostics::kind::warning));
5050 3609127 : diagnostic.m_option_id = option_id;
5051 3609127 : ret = diagnostic_report_diagnostic (global_dc, &diagnostic);
5052 3609127 : va_end (ap);
5053 7218254 : return ret;
5054 3609127 : }
5055 :
5056 : /* Issue a diagnostic that NAME cannot be found in SCOPE. DECL is what
5057 : we found when we tried to do the lookup. LOCATION is the location of
5058 : the NAME identifier. */
5059 :
5060 : void
5061 554 : qualified_name_lookup_error (tree scope, tree name,
5062 : tree decl, location_t location)
5063 : {
5064 554 : if (scope == error_mark_node)
5065 : ; /* We already complained. */
5066 439 : else if (TYPE_P (scope))
5067 : {
5068 246 : if (!COMPLETE_TYPE_P (scope)
5069 246 : && !currently_open_class (scope))
5070 41 : error_at (location, "incomplete type %qT used in nested name specifier",
5071 : scope);
5072 205 : else if (TREE_CODE (decl) == TREE_LIST)
5073 : {
5074 0 : auto_diagnostic_group d;
5075 0 : error_at (location, "reference to %<%T::%D%> is ambiguous",
5076 : scope, name);
5077 0 : print_candidates (location, decl);
5078 0 : }
5079 : else
5080 : {
5081 205 : auto_diagnostic_group d;
5082 205 : name_hint hint;
5083 205 : if (SCOPED_ENUM_P (scope) && TREE_CODE (name) == IDENTIFIER_NODE)
5084 15 : hint = suggest_alternative_in_scoped_enum (name, scope);
5085 205 : if (const char *suggestion = hint.suggestion ())
5086 : {
5087 9 : gcc_rich_location richloc (location);
5088 9 : richloc.add_fixit_replace (suggestion);
5089 9 : error_at (&richloc,
5090 : "%qD is not a member of %qT; did you mean %qs?",
5091 : name, scope, suggestion);
5092 9 : }
5093 : else
5094 196 : error_at (location, "%qD is not a member of %qT", name, scope);
5095 205 : }
5096 : }
5097 193 : else if (scope != global_namespace)
5098 : {
5099 175 : auto_diagnostic_group d;
5100 175 : bool emit_fixit = true;
5101 175 : name_hint hint
5102 175 : = suggest_alternative_in_explicit_scope (location, name, scope);
5103 175 : if (!hint)
5104 : {
5105 59 : hint = suggest_alternatives_in_other_namespaces (location, name);
5106 : /* "location" is just the location of the name, not of the explicit
5107 : scope, and it's not easy to get at the latter, so we can't issue
5108 : fix-it hints for the suggestion. */
5109 59 : emit_fixit = false;
5110 : }
5111 175 : if (const char *suggestion = hint.suggestion ())
5112 : {
5113 54 : gcc_rich_location richloc (location);
5114 54 : if (emit_fixit)
5115 33 : richloc.add_fixit_replace (suggestion);
5116 54 : error_at (&richloc, "%qD is not a member of %qD; did you mean %qs?",
5117 : name, scope, suggestion);
5118 54 : }
5119 : else
5120 121 : error_at (location, "%qD is not a member of %qD", name, scope);
5121 175 : }
5122 : else
5123 : {
5124 18 : auto_diagnostic_group d;
5125 18 : name_hint hint = suggest_alternatives_for (location, name, true);
5126 18 : if (const char *suggestion = hint.suggestion ())
5127 : {
5128 9 : gcc_rich_location richloc (location);
5129 9 : richloc.add_fixit_replace (suggestion);
5130 9 : error_at (&richloc,
5131 : "%<::%D%> has not been declared; did you mean %qs?",
5132 : name, suggestion);
5133 9 : }
5134 : else
5135 9 : error_at (location, "%<::%D%> has not been declared", name);
5136 18 : }
5137 554 : }
5138 :
5139 : /* C++-specific implementation of range_label::get_text () vfunc for
5140 : range_label_for_type_mismatch.
5141 :
5142 : Compare with print_template_differences above. */
5143 :
5144 : label_text
5145 437 : range_label_for_type_mismatch::get_text (unsigned /*range_idx*/) const
5146 : {
5147 437 : if (m_labelled_type == NULL_TREE)
5148 0 : return label_text::borrow (NULL);
5149 :
5150 437 : const bool verbose = false;
5151 437 : const bool show_color = false;
5152 :
5153 437 : const char *result;
5154 437 : if (m_other_type
5155 437 : && comparable_template_types_p (m_labelled_type, m_other_type))
5156 2 : result = type_to_string_with_compare (m_labelled_type, m_other_type,
5157 : verbose, show_color,
5158 : nullptr, nullptr);
5159 : else
5160 435 : result = type_to_string (m_labelled_type, verbose, true, NULL, show_color);
5161 :
5162 : /* Both of the above return GC-allocated buffers, so the caller mustn't
5163 : free them. */
5164 437 : return label_text::borrow (result);
5165 : }
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