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Remove unnecessary string literals from static_assert in C++17 tests
[thirdparty/gcc.git] / libiberty / cp-demangle.c
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1b4974e7 1/* Demangler for g++ V3 ABI.
fbd26352 2 Copyright (C) 2003-2019 Free Software Foundation, Inc.
1b4974e7 3 Written by Ian Lance Taylor <ian@wasabisystems.com>.
168d63e5 4
484e4040 5 This file is part of the libiberty library, which is part of GCC.
09656987 6
484e4040 7 This file is free software; you can redistribute it and/or modify
168d63e5 8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
8916275c 12 In addition to the permissions in the GNU General Public License, the
13 Free Software Foundation gives you unlimited permission to link the
14 compiled version of this file into combinations with other programs,
15 and to distribute those combinations without any restriction coming
16 from the use of this file. (The General Public License restrictions
17 do apply in other respects; for example, they cover modification of
18 the file, and distribution when not linked into a combined
19 executable.)
20
168d63e5 21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
25
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
95b8d1bc 28 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
168d63e5 29*/
30
3c87c5c3 31/* This code implements a demangler for the g++ V3 ABI. The ABI is
32 described on this web page:
e77fdc26 33 https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling
3c87c5c3 34
35 This code was written while looking at the demangler written by
36 Alex Samuel <samuel@codesourcery.com>.
37
38 This code first pulls the mangled name apart into a list of
39 components, and then walks the list generating the demangled
40 name.
41
42 This file will normally define the following functions, q.v.:
43 char *cplus_demangle_v3(const char *mangled, int options)
44 char *java_demangle_v3(const char *mangled)
611fc3d0 45 int cplus_demangle_v3_callback(const char *mangled, int options,
46 demangle_callbackref callback)
47 int java_demangle_v3_callback(const char *mangled,
48 demangle_callbackref callback)
3c87c5c3 49 enum gnu_v3_ctor_kinds is_gnu_v3_mangled_ctor (const char *name)
50 enum gnu_v3_dtor_kinds is_gnu_v3_mangled_dtor (const char *name)
51
f95cb811 52 Also, the interface to the component list is public, and defined in
53 demangle.h. The interface consists of these types, which are
54 defined in demangle.h:
55 enum demangle_component_type
56 struct demangle_component
611fc3d0 57 demangle_callbackref
f95cb811 58 and these functions defined in this file:
59 cplus_demangle_fill_name
60 cplus_demangle_fill_extended_operator
61 cplus_demangle_fill_ctor
62 cplus_demangle_fill_dtor
63 cplus_demangle_print
611fc3d0 64 cplus_demangle_print_callback
f95cb811 65 and other functions defined in the file cp-demint.c.
66
67 This file also defines some other functions and variables which are
68 only to be used by the file cp-demint.c.
69
3c87c5c3 70 Preprocessor macros you can define while compiling this file:
71
72 IN_LIBGCC2
611fc3d0 73 If defined, this file defines the following functions, q.v.:
3c87c5c3 74 char *__cxa_demangle (const char *mangled, char *buf, size_t *len,
75 int *status)
611fc3d0 76 int __gcclibcxx_demangle_callback (const char *,
77 void (*)
78 (const char *, size_t, void *),
79 void *)
80 instead of cplus_demangle_v3[_callback]() and
81 java_demangle_v3[_callback]().
3c87c5c3 82
83 IN_GLIBCPP_V3
611fc3d0 84 If defined, this file defines only __cxa_demangle() and
85 __gcclibcxx_demangle_callback(), and no other publically visible
86 functions or variables.
3c87c5c3 87
88 STANDALONE_DEMANGLER
89 If defined, this file defines a main() function which demangles
90 any arguments, or, if none, demangles stdin.
91
92 CP_DEMANGLE_DEBUG
93 If defined, turns on debugging mode, which prints information on
94 stdout about the mangled string. This is not generally useful.
9f82fcbc 95
96 CHECK_DEMANGLER
97 If defined, additional sanity checks will be performed. It will
98 cause some slowdown, but will allow to catch out-of-bound access
99 errors earlier. This macro is intended for testing and debugging. */
3c87c5c3 100
611fc3d0 101#if defined (_AIX) && !defined (__GNUC__)
102 #pragma alloca
103#endif
104
168d63e5 105#ifdef HAVE_CONFIG_H
106#include "config.h"
107#endif
108
1b4974e7 109#include <stdio.h>
68e6b6e1 110
168d63e5 111#ifdef HAVE_STDLIB_H
112#include <stdlib.h>
113#endif
168d63e5 114#ifdef HAVE_STRING_H
115#include <string.h>
116#endif
117
611fc3d0 118#ifdef HAVE_ALLOCA_H
119# include <alloca.h>
120#else
121# ifndef alloca
122# ifdef __GNUC__
123# define alloca __builtin_alloca
124# else
125extern char *alloca ();
126# endif /* __GNUC__ */
127# endif /* alloca */
128#endif /* HAVE_ALLOCA_H */
129
7d235b1b 130#ifdef HAVE_LIMITS_H
131#include <limits.h>
132#endif
133#ifndef INT_MAX
134# define INT_MAX (int)(((unsigned int) ~0) >> 1) /* 0x7FFFFFFF */
135#endif
136
168d63e5 137#include "ansidecl.h"
138#include "libiberty.h"
4b7bc488 139#include "demangle.h"
f95cb811 140#include "cp-demangle.h"
141
142/* If IN_GLIBCPP_V3 is defined, some functions are made static. We
143 also rename them via #define to avoid compiler errors when the
144 static definition conflicts with the extern declaration in a header
145 file. */
146#ifdef IN_GLIBCPP_V3
147
148#define CP_STATIC_IF_GLIBCPP_V3 static
149
150#define cplus_demangle_fill_name d_fill_name
d94aaf66 151static int d_fill_name (struct demangle_component *, const char *, int);
f95cb811 152
153#define cplus_demangle_fill_extended_operator d_fill_extended_operator
154static int
d94aaf66 155d_fill_extended_operator (struct demangle_component *, int,
156 struct demangle_component *);
f95cb811 157
158#define cplus_demangle_fill_ctor d_fill_ctor
159static int
d94aaf66 160d_fill_ctor (struct demangle_component *, enum gnu_v3_ctor_kinds,
161 struct demangle_component *);
f95cb811 162
163#define cplus_demangle_fill_dtor d_fill_dtor
164static int
d94aaf66 165d_fill_dtor (struct demangle_component *, enum gnu_v3_dtor_kinds,
166 struct demangle_component *);
f95cb811 167
168#define cplus_demangle_mangled_name d_mangled_name
d94aaf66 169static struct demangle_component *d_mangled_name (struct d_info *, int);
f95cb811 170
171#define cplus_demangle_type d_type
d94aaf66 172static struct demangle_component *d_type (struct d_info *);
f95cb811 173
174#define cplus_demangle_print d_print
a664c62c 175static char *d_print (int, struct demangle_component *, int, size_t *);
f95cb811 176
611fc3d0 177#define cplus_demangle_print_callback d_print_callback
a664c62c 178static int d_print_callback (int, struct demangle_component *,
611fc3d0 179 demangle_callbackref, void *);
180
f95cb811 181#define cplus_demangle_init_info d_init_info
d94aaf66 182static void d_init_info (const char *, int, size_t, struct d_info *);
f95cb811 183
184#else /* ! defined(IN_GLIBCPP_V3) */
185#define CP_STATIC_IF_GLIBCPP_V3
186#endif /* ! defined(IN_GLIBCPP_V3) */
168d63e5 187
2c0843db 188/* See if the compiler supports dynamic arrays. */
189
190#ifdef __GNUC__
191#define CP_DYNAMIC_ARRAYS
192#else
193#ifdef __STDC__
194#ifdef __STDC_VERSION__
195#if __STDC_VERSION__ >= 199901L
196#define CP_DYNAMIC_ARRAYS
197#endif /* __STDC__VERSION >= 199901L */
198#endif /* defined (__STDC_VERSION__) */
199#endif /* defined (__STDC__) */
200#endif /* ! defined (__GNUC__) */
201
3c87c5c3 202/* We avoid pulling in the ctype tables, to prevent pulling in
203 additional unresolved symbols when this code is used in a library.
204 FIXME: Is this really a valid reason? This comes from the original
205 V3 demangler code.
1b4974e7 206
3c87c5c3 207 As of this writing this file has the following undefined references
611fc3d0 208 when compiled with -DIN_GLIBCPP_V3: realloc, free, memcpy, strcpy,
209 strcat, strlen. */
1b4974e7 210
1b4974e7 211#define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
3c87c5c3 212#define IS_UPPER(c) ((c) >= 'A' && (c) <= 'Z')
213#define IS_LOWER(c) ((c) >= 'a' && (c) <= 'z')
140d75d7 214
40e00cb0 215/* The prefix prepended by GCC to an identifier represnting the
216 anonymous namespace. */
217#define ANONYMOUS_NAMESPACE_PREFIX "_GLOBAL_"
1b4974e7 218#define ANONYMOUS_NAMESPACE_PREFIX_LEN \
219 (sizeof (ANONYMOUS_NAMESPACE_PREFIX) - 1)
40e00cb0 220
b69d25f7 221/* Information we keep for the standard substitutions. */
222
223struct d_standard_sub_info
224{
225 /* The code for this substitution. */
226 char code;
227 /* The simple string it expands to. */
228 const char *simple_expansion;
2c0843db 229 /* The length of the simple expansion. */
230 int simple_len;
b69d25f7 231 /* The results of a full, verbose, expansion. This is used when
232 qualifying a constructor/destructor, or when in verbose mode. */
233 const char *full_expansion;
2c0843db 234 /* The length of the full expansion. */
235 int full_len;
b69d25f7 236 /* What to set the last_name field of d_info to; NULL if we should
237 not set it. This is only relevant when qualifying a
238 constructor/destructor. */
239 const char *set_last_name;
2c0843db 240 /* The length of set_last_name. */
241 int set_last_name_len;
b69d25f7 242};
243
f95cb811 244/* Accessors for subtrees of struct demangle_component. */
168d63e5 245
1b4974e7 246#define d_left(dc) ((dc)->u.s_binary.left)
247#define d_right(dc) ((dc)->u.s_binary.right)
248
1b4974e7 249/* A list of templates. This is used while printing. */
168d63e5 250
1b4974e7 251struct d_print_template
252{
253 /* Next template on the list. */
254 struct d_print_template *next;
255 /* This template. */
f2d737fc 256 const struct demangle_component *template_decl;
1b4974e7 257};
168d63e5 258
1b4974e7 259/* A list of type modifiers. This is used while printing. */
168d63e5 260
1b4974e7 261struct d_print_mod
262{
263 /* Next modifier on the list. These are in the reverse of the order
264 in which they appeared in the mangled string. */
265 struct d_print_mod *next;
266 /* The modifier. */
a664c62c 267 struct demangle_component *mod;
1b4974e7 268 /* Whether this modifier was printed. */
269 int printed;
c1ea6f0c 270 /* The list of templates which applies to this modifier. */
271 struct d_print_template *templates;
1b4974e7 272};
168d63e5 273
611fc3d0 274/* We use these structures to hold information during printing. */
1b4974e7 275
611fc3d0 276struct d_growable_string
1b4974e7 277{
1b4974e7 278 /* Buffer holding the result. */
279 char *buf;
280 /* Current length of data in buffer. */
281 size_t len;
282 /* Allocated size of buffer. */
283 size_t alc;
611fc3d0 284 /* Set to 1 if we had a memory allocation failure. */
285 int allocation_failure;
286};
287
bb6c1235 288/* Stack of components, innermost first, used to avoid loops. */
289
290struct d_component_stack
291{
292 /* This component. */
293 const struct demangle_component *dc;
294 /* This component's parent. */
295 const struct d_component_stack *parent;
296};
297
a5ec7a66 298/* A demangle component and some scope captured when it was first
299 traversed. */
300
301struct d_saved_scope
302{
303 /* The component whose scope this is. */
304 const struct demangle_component *container;
305 /* The list of templates, if any, that was current when this
306 scope was captured. */
307 struct d_print_template *templates;
308};
309
f89ffc3b 310/* Checkpoint structure to allow backtracking. This holds copies
311 of the fields of struct d_info that need to be restored
312 if a trial parse needs to be backtracked over. */
313
314struct d_info_checkpoint
315{
316 const char *n;
317 int next_comp;
318 int next_sub;
f89ffc3b 319 int expansion;
320};
321
b4cd77b1 322/* Maximum number of times d_print_comp may be called recursively. */
323#define MAX_RECURSION_COUNT 1024
324
611fc3d0 325enum { D_PRINT_BUFFER_LENGTH = 256 };
326struct d_print_info
327{
611fc3d0 328 /* Fixed-length allocated buffer for demangled data, flushed to the
329 callback with a NUL termination once full. */
330 char buf[D_PRINT_BUFFER_LENGTH];
331 /* Current length of data in buffer. */
332 size_t len;
333 /* The last character printed, saved individually so that it survives
334 any buffer flush. */
335 char last_char;
336 /* Callback function to handle demangled buffer flush. */
337 demangle_callbackref callback;
338 /* Opaque callback argument. */
339 void *opaque;
1b4974e7 340 /* The current list of templates, if any. */
341 struct d_print_template *templates;
342 /* The current list of modifiers (e.g., pointer, reference, etc.),
343 if any. */
344 struct d_print_mod *modifiers;
611fc3d0 345 /* Set to 1 if we saw a demangling error. */
346 int demangle_failure;
b4cd77b1 347 /* Number of times d_print_comp was recursively called. Should not
348 be bigger than MAX_RECURSION_COUNT. */
349 int recursion;
b35d5d07 350 /* Non-zero if we're printing a lambda argument. A template
351 parameter reference actually means 'auto'. */
352 int is_lambda_arg;
4682b6fe 353 /* The current index into any template argument packs we are using
5bb83f10 354 for printing, or -1 to print the whole pack. */
4682b6fe 355 int pack_index;
f2ba0f87 356 /* Number of d_print_flush calls so far. */
357 unsigned long int flush_count;
bb6c1235 358 /* Stack of components, innermost first, used to avoid loops. */
359 const struct d_component_stack *component_stack;
a5ec7a66 360 /* Array of saved scopes for evaluating substitutions. */
361 struct d_saved_scope *saved_scopes;
b26b8335 362 /* Index of the next unused saved scope in the above array. */
363 int next_saved_scope;
a5ec7a66 364 /* Number of saved scopes in the above array. */
365 int num_saved_scopes;
b26b8335 366 /* Array of templates for saving into scopes. */
367 struct d_print_template *copy_templates;
368 /* Index of the next unused copy template in the above array. */
369 int next_copy_template;
370 /* Number of copy templates in the above array. */
371 int num_copy_templates;
f89ffc3b 372 /* The nearest enclosing template, if any. */
373 const struct demangle_component *current_template;
1b4974e7 374};
3a18c9fc 375
168d63e5 376#ifdef CP_DEMANGLE_DEBUG
d94aaf66 377static void d_dump (struct demangle_component *, int);
168d63e5 378#endif
f95cb811 379
380static struct demangle_component *
d94aaf66 381d_make_empty (struct d_info *);
f95cb811 382
383static struct demangle_component *
d94aaf66 384d_make_comp (struct d_info *, enum demangle_component_type,
385 struct demangle_component *,
386 struct demangle_component *);
f95cb811 387
388static struct demangle_component *
d94aaf66 389d_make_name (struct d_info *, const char *, int);
f95cb811 390
6400c038 391static struct demangle_component *
392d_make_demangle_mangled_name (struct d_info *, const char *);
393
f95cb811 394static struct demangle_component *
d94aaf66 395d_make_builtin_type (struct d_info *,
396 const struct demangle_builtin_type_info *);
f95cb811 397
398static struct demangle_component *
d94aaf66 399d_make_operator (struct d_info *,
400 const struct demangle_operator_info *);
f95cb811 401
402static struct demangle_component *
d94aaf66 403d_make_extended_operator (struct d_info *, int,
404 struct demangle_component *);
f95cb811 405
406static struct demangle_component *
d94aaf66 407d_make_ctor (struct d_info *, enum gnu_v3_ctor_kinds,
408 struct demangle_component *);
f95cb811 409
410static struct demangle_component *
d94aaf66 411d_make_dtor (struct d_info *, enum gnu_v3_dtor_kinds,
412 struct demangle_component *);
f95cb811 413
414static struct demangle_component *
7d235b1b 415d_make_template_param (struct d_info *, int);
f95cb811 416
417static struct demangle_component *
d94aaf66 418d_make_sub (struct d_info *, const char *, int);
f95cb811 419
420static int
d94aaf66 421has_return_type (struct demangle_component *);
f95cb811 422
423static int
d94aaf66 424is_ctor_dtor_or_conversion (struct demangle_component *);
f95cb811 425
d94aaf66 426static struct demangle_component *d_encoding (struct d_info *, int);
f95cb811 427
3dc558bb 428static struct demangle_component *d_name (struct d_info *);
f95cb811 429
d94aaf66 430static struct demangle_component *d_nested_name (struct d_info *);
f95cb811 431
d94aaf66 432static struct demangle_component *d_prefix (struct d_info *);
f95cb811 433
d94aaf66 434static struct demangle_component *d_unqualified_name (struct d_info *);
f95cb811 435
d94aaf66 436static struct demangle_component *d_source_name (struct d_info *);
f95cb811 437
7d235b1b 438static int d_number (struct d_info *);
f95cb811 439
7d235b1b 440static struct demangle_component *d_identifier (struct d_info *, int);
f95cb811 441
d94aaf66 442static struct demangle_component *d_operator_name (struct d_info *);
f95cb811 443
d94aaf66 444static struct demangle_component *d_special_name (struct d_info *);
f95cb811 445
2e9e9363 446static struct demangle_component *d_parmlist (struct d_info *);
447
d94aaf66 448static int d_call_offset (struct d_info *, int);
f95cb811 449
d94aaf66 450static struct demangle_component *d_ctor_dtor_name (struct d_info *);
f95cb811 451
452static struct demangle_component **
d94aaf66 453d_cv_qualifiers (struct d_info *, struct demangle_component **, int);
f95cb811 454
1189258f 455static struct demangle_component *
456d_ref_qualifier (struct d_info *, struct demangle_component *);
457
f95cb811 458static struct demangle_component *
d94aaf66 459d_function_type (struct d_info *);
f95cb811 460
461static struct demangle_component *
d94aaf66 462d_bare_function_type (struct d_info *, int);
f95cb811 463
464static struct demangle_component *
d94aaf66 465d_class_enum_type (struct d_info *);
f95cb811 466
d94aaf66 467static struct demangle_component *d_array_type (struct d_info *);
f95cb811 468
29e2e80a 469static struct demangle_component *d_vector_type (struct d_info *);
470
f95cb811 471static struct demangle_component *
d94aaf66 472d_pointer_to_member_type (struct d_info *);
f95cb811 473
474static struct demangle_component *
d94aaf66 475d_template_param (struct d_info *);
f95cb811 476
d94aaf66 477static struct demangle_component *d_template_args (struct d_info *);
17fdf85c 478static struct demangle_component *d_template_args_1 (struct d_info *);
f95cb811 479
480static struct demangle_component *
d94aaf66 481d_template_arg (struct d_info *);
f95cb811 482
d94aaf66 483static struct demangle_component *d_expression (struct d_info *);
f95cb811 484
d94aaf66 485static struct demangle_component *d_expr_primary (struct d_info *);
f95cb811 486
3dc558bb 487static struct demangle_component *d_local_name (struct d_info *);
f95cb811 488
d94aaf66 489static int d_discriminator (struct d_info *);
f95cb811 490
a8b75081 491static struct demangle_component *d_lambda (struct d_info *);
492
493static struct demangle_component *d_unnamed_type (struct d_info *);
494
0d80d940 495static struct demangle_component *
496d_clone_suffix (struct d_info *, struct demangle_component *);
497
f95cb811 498static int
d94aaf66 499d_add_substitution (struct d_info *, struct demangle_component *);
f95cb811 500
d94aaf66 501static struct demangle_component *d_substitution (struct d_info *, int);
f95cb811 502
f89ffc3b 503static void d_checkpoint (struct d_info *, struct d_info_checkpoint *);
504
505static void d_backtrack (struct d_info *, struct d_info_checkpoint *);
506
611fc3d0 507static void d_growable_string_init (struct d_growable_string *, size_t);
f95cb811 508
611fc3d0 509static inline void
510d_growable_string_resize (struct d_growable_string *, size_t);
f95cb811 511
611fc3d0 512static inline void
513d_growable_string_append_buffer (struct d_growable_string *,
514 const char *, size_t);
f95cb811 515static void
611fc3d0 516d_growable_string_callback_adapter (const char *, size_t, void *);
517
518static void
b26b8335 519d_print_init (struct d_print_info *, demangle_callbackref, void *,
520 const struct demangle_component *);
611fc3d0 521
522static inline void d_print_error (struct d_print_info *);
523
524static inline int d_print_saw_error (struct d_print_info *);
525
526static inline void d_print_flush (struct d_print_info *);
527
528static inline void d_append_char (struct d_print_info *, char);
f95cb811 529
611fc3d0 530static inline void d_append_buffer (struct d_print_info *,
531 const char *, size_t);
532
533static inline void d_append_string (struct d_print_info *, const char *);
534
535static inline char d_last_char (struct d_print_info *);
f95cb811 536
537static void
a664c62c 538d_print_comp (struct d_print_info *, int, struct demangle_component *);
f95cb811 539
540static void
d94aaf66 541d_print_java_identifier (struct d_print_info *, const char *, int);
f95cb811 542
543static void
ce673d9a 544d_print_mod_list (struct d_print_info *, int, struct d_print_mod *, int);
f95cb811 545
546static void
a664c62c 547d_print_mod (struct d_print_info *, int, struct demangle_component *);
f95cb811 548
549static void
ce673d9a 550d_print_function_type (struct d_print_info *, int,
a664c62c 551 struct demangle_component *,
d94aaf66 552 struct d_print_mod *);
f95cb811 553
554static void
ce673d9a 555d_print_array_type (struct d_print_info *, int,
a664c62c 556 struct demangle_component *,
d94aaf66 557 struct d_print_mod *);
f95cb811 558
559static void
a664c62c 560d_print_expr_op (struct d_print_info *, int, struct demangle_component *);
f95cb811 561
88845c03 562static void d_print_cast (struct d_print_info *, int,
a664c62c 563 struct demangle_component *);
88845c03 564static void d_print_conversion (struct d_print_info *, int,
a664c62c 565 struct demangle_component *);
f95cb811 566
611fc3d0 567static int d_demangle_callback (const char *, int,
568 demangle_callbackref, void *);
d94aaf66 569static char *d_demangle (const char *, int, size_t *);
1b4974e7 570
2e9e9363 571#define FNQUAL_COMPONENT_CASE \
572 case DEMANGLE_COMPONENT_RESTRICT_THIS: \
573 case DEMANGLE_COMPONENT_VOLATILE_THIS: \
574 case DEMANGLE_COMPONENT_CONST_THIS: \
575 case DEMANGLE_COMPONENT_REFERENCE_THIS: \
576 case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS: \
577 case DEMANGLE_COMPONENT_TRANSACTION_SAFE: \
578 case DEMANGLE_COMPONENT_NOEXCEPT: \
579 case DEMANGLE_COMPONENT_THROW_SPEC
580
2a80a8f0 581/* True iff TYPE is a demangling component representing a
582 function-type-qualifier. */
583
584static int
585is_fnqual_component_type (enum demangle_component_type type)
586{
587 switch (type)
588 {
589 FNQUAL_COMPONENT_CASE:
590 return 1;
591 default:
592 break;
593 }
594 return 0;
595}
596
597
168d63e5 598#ifdef CP_DEMANGLE_DEBUG
1b4974e7 599
600static void
d94aaf66 601d_dump (struct demangle_component *dc, int indent)
168d63e5 602{
603 int i;
168d63e5 604
1b4974e7 605 if (dc == NULL)
611fc3d0 606 {
607 if (indent == 0)
608 printf ("failed demangling\n");
609 return;
610 }
1b4974e7 611
612 for (i = 0; i < indent; ++i)
613 putchar (' ');
614
615 switch (dc->type)
616 {
f95cb811 617 case DEMANGLE_COMPONENT_NAME:
1b4974e7 618 printf ("name '%.*s'\n", dc->u.s_name.len, dc->u.s_name.s);
619 return;
d4701f6c 620 case DEMANGLE_COMPONENT_TAGGED_NAME:
621 printf ("tagged name\n");
622 d_dump (dc->u.s_binary.left, indent + 2);
623 d_dump (dc->u.s_binary.right, indent + 2);
624 return;
f95cb811 625 case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
1b4974e7 626 printf ("template parameter %ld\n", dc->u.s_number.number);
627 return;
95f798aa 628 case DEMANGLE_COMPONENT_TPARM_OBJ:
629 printf ("template parameter object\n");
630 break;
61b14403 631 case DEMANGLE_COMPONENT_FUNCTION_PARAM:
632 printf ("function parameter %ld\n", dc->u.s_number.number);
633 return;
f95cb811 634 case DEMANGLE_COMPONENT_CTOR:
1b4974e7 635 printf ("constructor %d\n", (int) dc->u.s_ctor.kind);
636 d_dump (dc->u.s_ctor.name, indent + 2);
637 return;
f95cb811 638 case DEMANGLE_COMPONENT_DTOR:
1b4974e7 639 printf ("destructor %d\n", (int) dc->u.s_dtor.kind);
640 d_dump (dc->u.s_dtor.name, indent + 2);
641 return;
f95cb811 642 case DEMANGLE_COMPONENT_SUB_STD:
1b4974e7 643 printf ("standard substitution %s\n", dc->u.s_string.string);
644 return;
f95cb811 645 case DEMANGLE_COMPONENT_BUILTIN_TYPE:
1b4974e7 646 printf ("builtin type %s\n", dc->u.s_builtin.type->name);
647 return;
f95cb811 648 case DEMANGLE_COMPONENT_OPERATOR:
1b4974e7 649 printf ("operator %s\n", dc->u.s_operator.op->name);
650 return;
f95cb811 651 case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
1b4974e7 652 printf ("extended operator with %d args\n",
653 dc->u.s_extended_operator.args);
654 d_dump (dc->u.s_extended_operator.name, indent + 2);
655 return;
656
f95cb811 657 case DEMANGLE_COMPONENT_QUAL_NAME:
1b4974e7 658 printf ("qualified name\n");
659 break;
f95cb811 660 case DEMANGLE_COMPONENT_LOCAL_NAME:
77097adf 661 printf ("local name\n");
662 break;
f95cb811 663 case DEMANGLE_COMPONENT_TYPED_NAME:
1b4974e7 664 printf ("typed name\n");
665 break;
f95cb811 666 case DEMANGLE_COMPONENT_TEMPLATE:
1b4974e7 667 printf ("template\n");
668 break;
f95cb811 669 case DEMANGLE_COMPONENT_VTABLE:
1b4974e7 670 printf ("vtable\n");
671 break;
f95cb811 672 case DEMANGLE_COMPONENT_VTT:
1b4974e7 673 printf ("VTT\n");
674 break;
f95cb811 675 case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
1b4974e7 676 printf ("construction vtable\n");
677 break;
f95cb811 678 case DEMANGLE_COMPONENT_TYPEINFO:
1b4974e7 679 printf ("typeinfo\n");
680 break;
f95cb811 681 case DEMANGLE_COMPONENT_TYPEINFO_NAME:
1b4974e7 682 printf ("typeinfo name\n");
683 break;
f95cb811 684 case DEMANGLE_COMPONENT_TYPEINFO_FN:
1b4974e7 685 printf ("typeinfo function\n");
686 break;
f95cb811 687 case DEMANGLE_COMPONENT_THUNK:
1b4974e7 688 printf ("thunk\n");
689 break;
f95cb811 690 case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
1b4974e7 691 printf ("virtual thunk\n");
692 break;
f95cb811 693 case DEMANGLE_COMPONENT_COVARIANT_THUNK:
1b4974e7 694 printf ("covariant thunk\n");
695 break;
f95cb811 696 case DEMANGLE_COMPONENT_JAVA_CLASS:
1b4974e7 697 printf ("java class\n");
698 break;
f95cb811 699 case DEMANGLE_COMPONENT_GUARD:
1b4974e7 700 printf ("guard\n");
701 break;
f95cb811 702 case DEMANGLE_COMPONENT_REFTEMP:
1b4974e7 703 printf ("reference temporary\n");
704 break;
e63e3841 705 case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
706 printf ("hidden alias\n");
707 break;
4c0315d0 708 case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
709 printf ("transaction clone\n");
710 break;
711 case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
712 printf ("non-transaction clone\n");
713 break;
f95cb811 714 case DEMANGLE_COMPONENT_RESTRICT:
1b4974e7 715 printf ("restrict\n");
716 break;
f95cb811 717 case DEMANGLE_COMPONENT_VOLATILE:
1b4974e7 718 printf ("volatile\n");
719 break;
f95cb811 720 case DEMANGLE_COMPONENT_CONST:
1b4974e7 721 printf ("const\n");
722 break;
f95cb811 723 case DEMANGLE_COMPONENT_RESTRICT_THIS:
3c87c5c3 724 printf ("restrict this\n");
725 break;
f95cb811 726 case DEMANGLE_COMPONENT_VOLATILE_THIS:
3c87c5c3 727 printf ("volatile this\n");
728 break;
f95cb811 729 case DEMANGLE_COMPONENT_CONST_THIS:
3c87c5c3 730 printf ("const this\n");
731 break;
1189258f 732 case DEMANGLE_COMPONENT_REFERENCE_THIS:
733 printf ("reference this\n");
734 break;
735 case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
736 printf ("rvalue reference this\n");
737 break;
6d02e6b2 738 case DEMANGLE_COMPONENT_TRANSACTION_SAFE:
739 printf ("transaction_safe this\n");
740 break;
f95cb811 741 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
1b4974e7 742 printf ("vendor type qualifier\n");
743 break;
f95cb811 744 case DEMANGLE_COMPONENT_POINTER:
1b4974e7 745 printf ("pointer\n");
746 break;
f95cb811 747 case DEMANGLE_COMPONENT_REFERENCE:
1b4974e7 748 printf ("reference\n");
749 break;
c4692e04 750 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
751 printf ("rvalue reference\n");
752 break;
f95cb811 753 case DEMANGLE_COMPONENT_COMPLEX:
1b4974e7 754 printf ("complex\n");
755 break;
f95cb811 756 case DEMANGLE_COMPONENT_IMAGINARY:
1b4974e7 757 printf ("imaginary\n");
758 break;
f95cb811 759 case DEMANGLE_COMPONENT_VENDOR_TYPE:
1b4974e7 760 printf ("vendor type\n");
761 break;
f95cb811 762 case DEMANGLE_COMPONENT_FUNCTION_TYPE:
1b4974e7 763 printf ("function type\n");
764 break;
f95cb811 765 case DEMANGLE_COMPONENT_ARRAY_TYPE:
1b4974e7 766 printf ("array type\n");
767 break;
f95cb811 768 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
1b4974e7 769 printf ("pointer to member type\n");
770 break;
e4583147 771 case DEMANGLE_COMPONENT_FIXED_TYPE:
d240d5fd 772 printf ("fixed-point type, accum? %d, sat? %d\n",
773 dc->u.s_fixed.accum, dc->u.s_fixed.sat);
9f82fcbc 774 d_dump (dc->u.s_fixed.length, indent + 2);
e4583147 775 break;
f95cb811 776 case DEMANGLE_COMPONENT_ARGLIST:
1b4974e7 777 printf ("argument list\n");
778 break;
f95cb811 779 case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
1b4974e7 780 printf ("template argument list\n");
781 break;
2d847c18 782 case DEMANGLE_COMPONENT_INITIALIZER_LIST:
783 printf ("initializer list\n");
784 break;
f95cb811 785 case DEMANGLE_COMPONENT_CAST:
1b4974e7 786 printf ("cast\n");
787 break;
88845c03 788 case DEMANGLE_COMPONENT_CONVERSION:
789 printf ("conversion operator\n");
790 break;
2d847c18 791 case DEMANGLE_COMPONENT_NULLARY:
792 printf ("nullary operator\n");
793 break;
f95cb811 794 case DEMANGLE_COMPONENT_UNARY:
1b4974e7 795 printf ("unary operator\n");
796 break;
f95cb811 797 case DEMANGLE_COMPONENT_BINARY:
1b4974e7 798 printf ("binary operator\n");
799 break;
f95cb811 800 case DEMANGLE_COMPONENT_BINARY_ARGS:
1b4974e7 801 printf ("binary operator arguments\n");
802 break;
f95cb811 803 case DEMANGLE_COMPONENT_TRINARY:
1b4974e7 804 printf ("trinary operator\n");
805 break;
f95cb811 806 case DEMANGLE_COMPONENT_TRINARY_ARG1:
1b4974e7 807 printf ("trinary operator arguments 1\n");
808 break;
f95cb811 809 case DEMANGLE_COMPONENT_TRINARY_ARG2:
1b4974e7 810 printf ("trinary operator arguments 1\n");
811 break;
f95cb811 812 case DEMANGLE_COMPONENT_LITERAL:
1b4974e7 813 printf ("literal\n");
814 break;
f95cb811 815 case DEMANGLE_COMPONENT_LITERAL_NEG:
b69d25f7 816 printf ("negative literal\n");
817 break;
c8d35c3c 818 case DEMANGLE_COMPONENT_JAVA_RESOURCE:
819 printf ("java resource\n");
820 break;
821 case DEMANGLE_COMPONENT_COMPOUND_NAME:
822 printf ("compound name\n");
823 break;
824 case DEMANGLE_COMPONENT_CHARACTER:
825 printf ("character '%c'\n", dc->u.s_character.character);
826 return;
61b14403 827 case DEMANGLE_COMPONENT_NUMBER:
828 printf ("number %ld\n", dc->u.s_number.number);
829 return;
a2ad5e1b 830 case DEMANGLE_COMPONENT_DECLTYPE:
831 printf ("decltype\n");
832 break;
4682b6fe 833 case DEMANGLE_COMPONENT_PACK_EXPANSION:
834 printf ("pack expansion\n");
835 break;
462819c8 836 case DEMANGLE_COMPONENT_TLS_INIT:
837 printf ("tls init function\n");
838 break;
839 case DEMANGLE_COMPONENT_TLS_WRAPPER:
840 printf ("tls wrapper function\n");
841 break;
dc78d83a 842 case DEMANGLE_COMPONENT_DEFAULT_ARG:
843 printf ("default argument %d\n", dc->u.s_unary_num.num);
844 d_dump (dc->u.s_unary_num.sub, indent+2);
845 return;
846 case DEMANGLE_COMPONENT_LAMBDA:
847 printf ("lambda %d\n", dc->u.s_unary_num.num);
848 d_dump (dc->u.s_unary_num.sub, indent+2);
849 return;
168d63e5 850 }
851
1b4974e7 852 d_dump (d_left (dc), indent + 2);
853 d_dump (d_right (dc), indent + 2);
854}
855
856#endif /* CP_DEMANGLE_DEBUG */
857
f95cb811 858/* Fill in a DEMANGLE_COMPONENT_NAME. */
859
860CP_STATIC_IF_GLIBCPP_V3
861int
d94aaf66 862cplus_demangle_fill_name (struct demangle_component *p, const char *s, int len)
f95cb811 863{
ccd47432 864 if (p == NULL || s == NULL || len <= 0)
f95cb811 865 return 0;
cb987b84 866 p->d_printing = 0;
f95cb811 867 p->type = DEMANGLE_COMPONENT_NAME;
868 p->u.s_name.s = s;
869 p->u.s_name.len = len;
870 return 1;
871}
872
873/* Fill in a DEMANGLE_COMPONENT_EXTENDED_OPERATOR. */
874
875CP_STATIC_IF_GLIBCPP_V3
876int
d94aaf66 877cplus_demangle_fill_extended_operator (struct demangle_component *p, int args,
878 struct demangle_component *name)
f95cb811 879{
880 if (p == NULL || args < 0 || name == NULL)
881 return 0;
cb987b84 882 p->d_printing = 0;
f95cb811 883 p->type = DEMANGLE_COMPONENT_EXTENDED_OPERATOR;
884 p->u.s_extended_operator.args = args;
885 p->u.s_extended_operator.name = name;
886 return 1;
887}
888
889/* Fill in a DEMANGLE_COMPONENT_CTOR. */
890
891CP_STATIC_IF_GLIBCPP_V3
892int
d94aaf66 893cplus_demangle_fill_ctor (struct demangle_component *p,
894 enum gnu_v3_ctor_kinds kind,
895 struct demangle_component *name)
f95cb811 896{
897 if (p == NULL
898 || name == NULL
1d6e7ce6 899 || (int) kind < gnu_v3_complete_object_ctor
4c0315d0 900 || (int) kind > gnu_v3_object_ctor_group)
f95cb811 901 return 0;
cb987b84 902 p->d_printing = 0;
f95cb811 903 p->type = DEMANGLE_COMPONENT_CTOR;
904 p->u.s_ctor.kind = kind;
905 p->u.s_ctor.name = name;
906 return 1;
907}
908
909/* Fill in a DEMANGLE_COMPONENT_DTOR. */
910
911CP_STATIC_IF_GLIBCPP_V3
912int
d94aaf66 913cplus_demangle_fill_dtor (struct demangle_component *p,
914 enum gnu_v3_dtor_kinds kind,
915 struct demangle_component *name)
f95cb811 916{
917 if (p == NULL
918 || name == NULL
1d6e7ce6 919 || (int) kind < gnu_v3_deleting_dtor
4c0315d0 920 || (int) kind > gnu_v3_object_dtor_group)
f95cb811 921 return 0;
cb987b84 922 p->d_printing = 0;
f95cb811 923 p->type = DEMANGLE_COMPONENT_DTOR;
924 p->u.s_dtor.kind = kind;
925 p->u.s_dtor.name = name;
926 return 1;
927}
928
1b4974e7 929/* Add a new component. */
930
f95cb811 931static struct demangle_component *
d94aaf66 932d_make_empty (struct d_info *di)
1b4974e7 933{
f95cb811 934 struct demangle_component *p;
1b4974e7 935
936 if (di->next_comp >= di->num_comps)
937 return NULL;
938 p = &di->comps[di->next_comp];
a664c62c 939 p->d_printing = 0;
1b4974e7 940 ++di->next_comp;
941 return p;
942}
943
944/* Add a new generic component. */
945
f95cb811 946static struct demangle_component *
d94aaf66 947d_make_comp (struct d_info *di, enum demangle_component_type type,
948 struct demangle_component *left,
949 struct demangle_component *right)
1b4974e7 950{
f95cb811 951 struct demangle_component *p;
1b4974e7 952
953 /* We check for errors here. A typical error would be a NULL return
c1ea6f0c 954 from a subroutine. We catch those here, and return NULL
955 upward. */
1b4974e7 956 switch (type)
957 {
958 /* These types require two parameters. */
f95cb811 959 case DEMANGLE_COMPONENT_QUAL_NAME:
960 case DEMANGLE_COMPONENT_LOCAL_NAME:
961 case DEMANGLE_COMPONENT_TYPED_NAME:
d4701f6c 962 case DEMANGLE_COMPONENT_TAGGED_NAME:
f95cb811 963 case DEMANGLE_COMPONENT_TEMPLATE:
a79e1701 964 case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
f95cb811 965 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
966 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
967 case DEMANGLE_COMPONENT_UNARY:
968 case DEMANGLE_COMPONENT_BINARY:
969 case DEMANGLE_COMPONENT_BINARY_ARGS:
970 case DEMANGLE_COMPONENT_TRINARY:
971 case DEMANGLE_COMPONENT_TRINARY_ARG1:
f95cb811 972 case DEMANGLE_COMPONENT_LITERAL:
973 case DEMANGLE_COMPONENT_LITERAL_NEG:
c8d35c3c 974 case DEMANGLE_COMPONENT_COMPOUND_NAME:
29e2e80a 975 case DEMANGLE_COMPONENT_VECTOR_TYPE:
0d80d940 976 case DEMANGLE_COMPONENT_CLONE:
1b4974e7 977 if (left == NULL || right == NULL)
978 return NULL;
979 break;
980
981 /* These types only require one parameter. */
f95cb811 982 case DEMANGLE_COMPONENT_VTABLE:
983 case DEMANGLE_COMPONENT_VTT:
f95cb811 984 case DEMANGLE_COMPONENT_TYPEINFO:
985 case DEMANGLE_COMPONENT_TYPEINFO_NAME:
986 case DEMANGLE_COMPONENT_TYPEINFO_FN:
987 case DEMANGLE_COMPONENT_THUNK:
988 case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
989 case DEMANGLE_COMPONENT_COVARIANT_THUNK:
990 case DEMANGLE_COMPONENT_JAVA_CLASS:
991 case DEMANGLE_COMPONENT_GUARD:
462819c8 992 case DEMANGLE_COMPONENT_TLS_INIT:
993 case DEMANGLE_COMPONENT_TLS_WRAPPER:
f95cb811 994 case DEMANGLE_COMPONENT_REFTEMP:
e63e3841 995 case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
4c0315d0 996 case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
997 case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
f95cb811 998 case DEMANGLE_COMPONENT_POINTER:
999 case DEMANGLE_COMPONENT_REFERENCE:
c4692e04 1000 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
f95cb811 1001 case DEMANGLE_COMPONENT_COMPLEX:
1002 case DEMANGLE_COMPONENT_IMAGINARY:
1003 case DEMANGLE_COMPONENT_VENDOR_TYPE:
f95cb811 1004 case DEMANGLE_COMPONENT_CAST:
88845c03 1005 case DEMANGLE_COMPONENT_CONVERSION:
c8d35c3c 1006 case DEMANGLE_COMPONENT_JAVA_RESOURCE:
a2ad5e1b 1007 case DEMANGLE_COMPONENT_DECLTYPE:
4682b6fe 1008 case DEMANGLE_COMPONENT_PACK_EXPANSION:
7ddff01e 1009 case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
1010 case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
2d847c18 1011 case DEMANGLE_COMPONENT_NULLARY:
1012 case DEMANGLE_COMPONENT_TRINARY_ARG2:
95f798aa 1013 case DEMANGLE_COMPONENT_TPARM_OBJ:
1b4974e7 1014 if (left == NULL)
1015 return NULL;
1016 break;
1017
1018 /* This needs a right parameter, but the left parameter can be
1019 empty. */
f95cb811 1020 case DEMANGLE_COMPONENT_ARRAY_TYPE:
2d847c18 1021 case DEMANGLE_COMPONENT_INITIALIZER_LIST:
1b4974e7 1022 if (right == NULL)
1023 return NULL;
1024 break;
1025
1026 /* These are allowed to have no parameters--in some cases they
1027 will be filled in later. */
f95cb811 1028 case DEMANGLE_COMPONENT_FUNCTION_TYPE:
1029 case DEMANGLE_COMPONENT_RESTRICT:
1030 case DEMANGLE_COMPONENT_VOLATILE:
1031 case DEMANGLE_COMPONENT_CONST:
4682b6fe 1032 case DEMANGLE_COMPONENT_ARGLIST:
1033 case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
2e9e9363 1034 FNQUAL_COMPONENT_CASE:
1b4974e7 1035 break;
1036
1037 /* Other types should not be seen here. */
1038 default:
1039 return NULL;
168d63e5 1040 }
1b4974e7 1041
f95cb811 1042 p = d_make_empty (di);
1b4974e7 1043 if (p != NULL)
168d63e5 1044 {
f95cb811 1045 p->type = type;
1b4974e7 1046 p->u.s_binary.left = left;
1047 p->u.s_binary.right = right;
168d63e5 1048 }
1b4974e7 1049 return p;
1050}
168d63e5 1051
6400c038 1052/* Add a new demangle mangled name component. */
1053
1054static struct demangle_component *
1055d_make_demangle_mangled_name (struct d_info *di, const char *s)
1056{
1057 if (d_peek_char (di) != '_' || d_peek_next_char (di) != 'Z')
1058 return d_make_name (di, s, strlen (s));
1059 d_advance (di, 2);
1060 return d_encoding (di, 0);
1061}
1062
1b4974e7 1063/* Add a new name component. */
140d75d7 1064
f95cb811 1065static struct demangle_component *
d94aaf66 1066d_make_name (struct d_info *di, const char *s, int len)
1b4974e7 1067{
f95cb811 1068 struct demangle_component *p;
140d75d7 1069
f95cb811 1070 p = d_make_empty (di);
1071 if (! cplus_demangle_fill_name (p, s, len))
3c87c5c3 1072 return NULL;
1b4974e7 1073 return p;
168d63e5 1074}
1075
1b4974e7 1076/* Add a new builtin type component. */
168d63e5 1077
f95cb811 1078static struct demangle_component *
d94aaf66 1079d_make_builtin_type (struct d_info *di,
1080 const struct demangle_builtin_type_info *type)
168d63e5 1081{
f95cb811 1082 struct demangle_component *p;
1b4974e7 1083
c1ea6f0c 1084 if (type == NULL)
1085 return NULL;
f95cb811 1086 p = d_make_empty (di);
1b4974e7 1087 if (p != NULL)
f95cb811 1088 {
1089 p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE;
1090 p->u.s_builtin.type = type;
1091 }
1b4974e7 1092 return p;
1093}
168d63e5 1094
1b4974e7 1095/* Add a new operator component. */
168d63e5 1096
f95cb811 1097static struct demangle_component *
d94aaf66 1098d_make_operator (struct d_info *di, const struct demangle_operator_info *op)
168d63e5 1099{
f95cb811 1100 struct demangle_component *p;
1b4974e7 1101
f95cb811 1102 p = d_make_empty (di);
1b4974e7 1103 if (p != NULL)
f95cb811 1104 {
1105 p->type = DEMANGLE_COMPONENT_OPERATOR;
1106 p->u.s_operator.op = op;
1107 }
1b4974e7 1108 return p;
168d63e5 1109}
1110
1b4974e7 1111/* Add a new extended operator component. */
168d63e5 1112
f95cb811 1113static struct demangle_component *
d94aaf66 1114d_make_extended_operator (struct d_info *di, int args,
1115 struct demangle_component *name)
168d63e5 1116{
f95cb811 1117 struct demangle_component *p;
140d75d7 1118
f95cb811 1119 p = d_make_empty (di);
1120 if (! cplus_demangle_fill_extended_operator (p, args, name))
c1ea6f0c 1121 return NULL;
1b4974e7 1122 return p;
168d63e5 1123}
1124
a8b75081 1125static struct demangle_component *
1126d_make_default_arg (struct d_info *di, int num,
1127 struct demangle_component *sub)
1128{
1129 struct demangle_component *p = d_make_empty (di);
1130 if (p)
1131 {
1132 p->type = DEMANGLE_COMPONENT_DEFAULT_ARG;
1133 p->u.s_unary_num.num = num;
1134 p->u.s_unary_num.sub = sub;
1135 }
1136 return p;
1137}
1138
1b4974e7 1139/* Add a new constructor component. */
168d63e5 1140
f95cb811 1141static struct demangle_component *
d94aaf66 1142d_make_ctor (struct d_info *di, enum gnu_v3_ctor_kinds kind,
1143 struct demangle_component *name)
168d63e5 1144{
f95cb811 1145 struct demangle_component *p;
1b4974e7 1146
f95cb811 1147 p = d_make_empty (di);
1148 if (! cplus_demangle_fill_ctor (p, kind, name))
c1ea6f0c 1149 return NULL;
1b4974e7 1150 return p;
168d63e5 1151}
1152
1b4974e7 1153/* Add a new destructor component. */
168d63e5 1154
f95cb811 1155static struct demangle_component *
d94aaf66 1156d_make_dtor (struct d_info *di, enum gnu_v3_dtor_kinds kind,
1157 struct demangle_component *name)
168d63e5 1158{
f95cb811 1159 struct demangle_component *p;
1b4974e7 1160
f95cb811 1161 p = d_make_empty (di);
1162 if (! cplus_demangle_fill_dtor (p, kind, name))
c1ea6f0c 1163 return NULL;
1b4974e7 1164 return p;
168d63e5 1165}
1166
1b4974e7 1167/* Add a new template parameter. */
f99edf23 1168
f95cb811 1169static struct demangle_component *
7d235b1b 1170d_make_template_param (struct d_info *di, int i)
f99edf23 1171{
f95cb811 1172 struct demangle_component *p;
1b4974e7 1173
f95cb811 1174 p = d_make_empty (di);
1b4974e7 1175 if (p != NULL)
f95cb811 1176 {
1177 p->type = DEMANGLE_COMPONENT_TEMPLATE_PARAM;
1178 p->u.s_number.number = i;
1179 }
1b4974e7 1180 return p;
f99edf23 1181}
1182
e92154af 1183/* Add a new function parameter. */
1184
1185static struct demangle_component *
7d235b1b 1186d_make_function_param (struct d_info *di, int i)
e92154af 1187{
1188 struct demangle_component *p;
1189
1190 p = d_make_empty (di);
1191 if (p != NULL)
1192 {
1193 p->type = DEMANGLE_COMPONENT_FUNCTION_PARAM;
1194 p->u.s_number.number = i;
1195 }
1196 return p;
1197}
1198
1b4974e7 1199/* Add a new standard substitution component. */
f99edf23 1200
f95cb811 1201static struct demangle_component *
d94aaf66 1202d_make_sub (struct d_info *di, const char *name, int len)
f99edf23 1203{
f95cb811 1204 struct demangle_component *p;
1b4974e7 1205
f95cb811 1206 p = d_make_empty (di);
1b4974e7 1207 if (p != NULL)
2c0843db 1208 {
f95cb811 1209 p->type = DEMANGLE_COMPONENT_SUB_STD;
2c0843db 1210 p->u.s_string.string = name;
1211 p->u.s_string.len = len;
1212 }
1b4974e7 1213 return p;
f99edf23 1214}
1215
0d80d940 1216/* <mangled-name> ::= _Z <encoding> [<clone-suffix>]*
c1ea6f0c 1217
1218 TOP_LEVEL is non-zero when called at the top level. */
f99edf23 1219
f95cb811 1220CP_STATIC_IF_GLIBCPP_V3
1221struct demangle_component *
d94aaf66 1222cplus_demangle_mangled_name (struct d_info *di, int top_level)
f99edf23 1223{
0d80d940 1224 struct demangle_component *p;
1225
e92154af 1226 if (! d_check_char (di, '_')
1227 /* Allow missing _ if not at toplevel to work around a
1228 bug in G++ abi-version=2 mangling; see the comment in
1229 write_template_arg. */
1230 && top_level)
1b4974e7 1231 return NULL;
b785de4a 1232 if (! d_check_char (di, 'Z'))
1b4974e7 1233 return NULL;
0d80d940 1234 p = d_encoding (di, top_level);
1235
1236 /* If at top level and parsing parameters, check for a clone
1237 suffix. */
1238 if (top_level && (di->options & DMGL_PARAMS) != 0)
1239 while (d_peek_char (di) == '.'
1240 && (IS_LOWER (d_peek_next_char (di))
1241 || d_peek_next_char (di) == '_'
1242 || IS_DIGIT (d_peek_next_char (di))))
1243 p = d_clone_suffix (di, p);
1244
1245 return p;
f99edf23 1246}
1247
1b4974e7 1248/* Return whether a function should have a return type. The argument
1249 is the function name, which may be qualified in various ways. The
1250 rules are that template functions have return types with some
1251 exceptions, function types which are not part of a function name
1252 mangling have return types with some exceptions, and non-template
1253 function names do not have return types. The exceptions are that
1254 constructors, destructors, and conversion operators do not have
1255 return types. */
f99edf23 1256
1257static int
d94aaf66 1258has_return_type (struct demangle_component *dc)
f99edf23 1259{
1b4974e7 1260 if (dc == NULL)
1261 return 0;
1262 switch (dc->type)
1263 {
1264 default:
1265 return 0;
3dc558bb 1266 case DEMANGLE_COMPONENT_LOCAL_NAME:
1267 return has_return_type (d_right (dc));
f95cb811 1268 case DEMANGLE_COMPONENT_TEMPLATE:
1b4974e7 1269 return ! is_ctor_dtor_or_conversion (d_left (dc));
2e9e9363 1270 FNQUAL_COMPONENT_CASE:
7522af2a 1271 return has_return_type (d_left (dc));
1b4974e7 1272 }
f99edf23 1273}
1274
1b4974e7 1275/* Return whether a name is a constructor, a destructor, or a
1276 conversion operator. */
168d63e5 1277
1278static int
d94aaf66 1279is_ctor_dtor_or_conversion (struct demangle_component *dc)
168d63e5 1280{
1b4974e7 1281 if (dc == NULL)
1282 return 0;
1283 switch (dc->type)
1284 {
1285 default:
1286 return 0;
f95cb811 1287 case DEMANGLE_COMPONENT_QUAL_NAME:
1288 case DEMANGLE_COMPONENT_LOCAL_NAME:
1b4974e7 1289 return is_ctor_dtor_or_conversion (d_right (dc));
f95cb811 1290 case DEMANGLE_COMPONENT_CTOR:
1291 case DEMANGLE_COMPONENT_DTOR:
88845c03 1292 case DEMANGLE_COMPONENT_CONVERSION:
1b4974e7 1293 return 1;
1294 }
168d63e5 1295}
1296
1b4974e7 1297/* <encoding> ::= <(function) name> <bare-function-type>
1298 ::= <(data) name>
55faa696 1299 ::= <special-name>
1300
1301 TOP_LEVEL is non-zero when called at the top level, in which case
1302 if DMGL_PARAMS is not set we do not demangle the function
1303 parameters. We only set this at the top level, because otherwise
1304 we would not correctly demangle names in local scopes. */
168d63e5 1305
f95cb811 1306static struct demangle_component *
d94aaf66 1307d_encoding (struct d_info *di, int top_level)
168d63e5 1308{
1b4974e7 1309 char peek = d_peek_char (di);
3dc558bb 1310 struct demangle_component *dc;
140d75d7 1311
1b4974e7 1312 if (peek == 'G' || peek == 'T')
3dc558bb 1313 dc = d_special_name (di);
1b4974e7 1314 else
140d75d7 1315 {
3dc558bb 1316 dc = d_name (di);
c1ea6f0c 1317
3dc558bb 1318 if (!dc)
1319 /* Failed already. */;
1320 else if (top_level && (di->options & DMGL_PARAMS) == 0)
c1ea6f0c 1321 {
1322 /* Strip off any initial CV-qualifiers, as they really apply
1323 to the `this' parameter, and they were not output by the
1324 v2 demangler without DMGL_PARAMS. */
3dc558bb 1325 while (is_fnqual_component_type (dc->type))
c1ea6f0c 1326 dc = d_left (dc);
f2c17d01 1327
f95cb811 1328 /* If the top level is a DEMANGLE_COMPONENT_LOCAL_NAME, then
2e9e9363 1329 there may be function-qualifiers on its right argument which
f95cb811 1330 really apply here; this happens when parsing a class
1331 which is local to a function. */
1332 if (dc->type == DEMANGLE_COMPONENT_LOCAL_NAME)
3dc558bb 1333 while (is_fnqual_component_type (d_right (dc)->type))
1334 d_right (dc) = d_left (d_right (dc));
1335 }
1336 else
1337 {
1338 peek = d_peek_char (di);
1339 if (peek != '\0' && peek != 'E')
f2c17d01 1340 {
3dc558bb 1341 struct demangle_component *ftype;
f2c17d01 1342
3dc558bb 1343 ftype = d_bare_function_type (di, has_return_type (dc));
1344 if (ftype)
5f480962 1345 {
1346 /* If this is a non-top-level local-name, clear the
1347 return type, so it doesn't confuse the user by
1348 being confused with the return type of whaever
1349 this is nested within. */
1350 if (!top_level && dc->type == DEMANGLE_COMPONENT_LOCAL_NAME
1351 && ftype->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
1352 d_left (ftype) = NULL;
1353
1354 dc = d_make_comp (di, DEMANGLE_COMPONENT_TYPED_NAME,
1355 dc, ftype);
1356 }
3dc558bb 1357 else
1358 dc = NULL;
1359 }
c1ea6f0c 1360 }
140d75d7 1361 }
3dc558bb 1362
1363 return dc;
1b4974e7 1364}
1365
d4701f6c 1366/* <tagged-name> ::= <name> B <source-name> */
1367
1368static struct demangle_component *
1369d_abi_tags (struct d_info *di, struct demangle_component *dc)
1370{
4ff52b56 1371 struct demangle_component *hold_last_name;
d4701f6c 1372 char peek;
4ff52b56 1373
1374 /* Preserve the last name, so the ABI tag doesn't clobber it. */
1375 hold_last_name = di->last_name;
1376
d4701f6c 1377 while (peek = d_peek_char (di),
1378 peek == 'B')
1379 {
1380 struct demangle_component *tag;
1381 d_advance (di, 1);
1382 tag = d_source_name (di);
1383 dc = d_make_comp (di, DEMANGLE_COMPONENT_TAGGED_NAME, dc, tag);
1384 }
4ff52b56 1385
1386 di->last_name = hold_last_name;
1387
d4701f6c 1388 return dc;
1389}
1390
1b4974e7 1391/* <name> ::= <nested-name>
1392 ::= <unscoped-name>
1393 ::= <unscoped-template-name> <template-args>
1394 ::= <local-name>
1395
1396 <unscoped-name> ::= <unqualified-name>
1397 ::= St <unqualified-name>
168d63e5 1398
1b4974e7 1399 <unscoped-template-name> ::= <unscoped-name>
1400 ::= <substitution>
1401*/
1402
f95cb811 1403static struct demangle_component *
3dc558bb 1404d_name (struct d_info *di)
1b4974e7 1405{
1406 char peek = d_peek_char (di);
f95cb811 1407 struct demangle_component *dc;
1b4974e7 1408
1409 switch (peek)
168d63e5 1410 {
1b4974e7 1411 case 'N':
185be9f5 1412 return d_nested_name (di);
1b4974e7 1413
1414 case 'Z':
3dc558bb 1415 return d_local_name (di);
1b4974e7 1416
a8b75081 1417 case 'U':
185be9f5 1418 return d_unqualified_name (di);
a8b75081 1419
1b4974e7 1420 case 'S':
1421 {
1422 int subst;
1423
1424 if (d_peek_next_char (di) != 't')
1425 {
b69d25f7 1426 dc = d_substitution (di, 0);
1b4974e7 1427 subst = 1;
1428 }
1429 else
1430 {
1431 d_advance (di, 2);
f95cb811 1432 dc = d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME,
1433 d_make_name (di, "std", 3),
1b4974e7 1434 d_unqualified_name (di));
2c0843db 1435 di->expansion += 3;
1b4974e7 1436 subst = 0;
1437 }
1438
1439 if (d_peek_char (di) != 'I')
1440 {
1441 /* The grammar does not permit this case to occur if we
1442 called d_substitution() above (i.e., subst == 1). We
1443 don't bother to check. */
1444 }
1445 else
1446 {
1447 /* This is <template-args>, which means that we just saw
1448 <unscoped-template-name>, which is a substitution
1449 candidate if we didn't just get it from a
1450 substitution. */
1451 if (! subst)
1452 {
1453 if (! d_add_substitution (di, dc))
1454 return NULL;
1455 }
f95cb811 1456 dc = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, dc,
1457 d_template_args (di));
1b4974e7 1458 }
1459
185be9f5 1460 return dc;
1b4974e7 1461 }
1462
9a00b355 1463 case 'L':
1b4974e7 1464 default:
1465 dc = d_unqualified_name (di);
1466 if (d_peek_char (di) == 'I')
140d75d7 1467 {
1b4974e7 1468 /* This is <template-args>, which means that we just saw
1469 <unscoped-template-name>, which is a substitution
1470 candidate. */
1471 if (! d_add_substitution (di, dc))
1472 return NULL;
f95cb811 1473 dc = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, dc,
1474 d_template_args (di));
140d75d7 1475 }
185be9f5 1476 return dc;
168d63e5 1477 }
1b4974e7 1478}
168d63e5 1479
1189258f 1480/* <nested-name> ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E
1481 ::= N [<CV-qualifiers>] [<ref-qualifier>] <template-prefix> <template-args> E
1b4974e7 1482*/
168d63e5 1483
f95cb811 1484static struct demangle_component *
d94aaf66 1485d_nested_name (struct d_info *di)
1b4974e7 1486{
f95cb811 1487 struct demangle_component *ret;
1488 struct demangle_component **pret;
1189258f 1489 struct demangle_component *rqual;
140d75d7 1490
b785de4a 1491 if (! d_check_char (di, 'N'))
1b4974e7 1492 return NULL;
168d63e5 1493
3c87c5c3 1494 pret = d_cv_qualifiers (di, &ret, 1);
1b4974e7 1495 if (pret == NULL)
1496 return NULL;
1497
1189258f 1498 /* Parse the ref-qualifier now and then attach it
1499 once we have something to attach it to. */
1500 rqual = d_ref_qualifier (di, NULL);
1501
1b4974e7 1502 *pret = d_prefix (di);
1503 if (*pret == NULL)
1504 return NULL;
168d63e5 1505
1189258f 1506 if (rqual)
1507 {
1508 d_left (rqual) = ret;
1509 ret = rqual;
1510 }
1511
b785de4a 1512 if (! d_check_char (di, 'E'))
168d63e5 1513 return NULL;
1514
1b4974e7 1515 return ret;
168d63e5 1516}
1517
1b4974e7 1518/* <prefix> ::= <prefix> <unqualified-name>
1519 ::= <template-prefix> <template-args>
1520 ::= <template-param>
c5a7bf9e 1521 ::= <decltype>
1b4974e7 1522 ::=
1523 ::= <substitution>
168d63e5 1524
1b4974e7 1525 <template-prefix> ::= <prefix> <(template) unqualified-name>
1526 ::= <template-param>
1527 ::= <substitution>
1528*/
1529
f95cb811 1530static struct demangle_component *
d94aaf66 1531d_prefix (struct d_info *di)
168d63e5 1532{
f95cb811 1533 struct demangle_component *ret = NULL;
168d63e5 1534
1b4974e7 1535 while (1)
168d63e5 1536 {
1b4974e7 1537 char peek;
f95cb811 1538 enum demangle_component_type comb_type;
1539 struct demangle_component *dc;
1b4974e7 1540
1541 peek = d_peek_char (di);
1542 if (peek == '\0')
1543 return NULL;
1544
1545 /* The older code accepts a <local-name> here, but I don't see
1546 that in the grammar. The older code does not accept a
1547 <template-param> here. */
168d63e5 1548
f95cb811 1549 comb_type = DEMANGLE_COMPONENT_QUAL_NAME;
c5a7bf9e 1550 if (peek == 'D')
1551 {
1552 char peek2 = d_peek_next_char (di);
1553 if (peek2 == 'T' || peek2 == 't')
1554 /* Decltype. */
1555 dc = cplus_demangle_type (di);
1556 else
1557 /* Destructor name. */
1558 dc = d_unqualified_name (di);
1559 }
1560 else if (IS_DIGIT (peek)
3c87c5c3 1561 || IS_LOWER (peek)
1b4974e7 1562 || peek == 'C'
a8b75081 1563 || peek == 'U'
9751796f 1564 || peek == 'L')
1b4974e7 1565 dc = d_unqualified_name (di);
1566 else if (peek == 'S')
b69d25f7 1567 dc = d_substitution (di, 1);
1b4974e7 1568 else if (peek == 'I')
1569 {
1570 if (ret == NULL)
1571 return NULL;
f95cb811 1572 comb_type = DEMANGLE_COMPONENT_TEMPLATE;
1b4974e7 1573 dc = d_template_args (di);
1574 }
1575 else if (peek == 'T')
1576 dc = d_template_param (di);
1577 else if (peek == 'E')
1578 return ret;
a8b75081 1579 else if (peek == 'M')
1580 {
1581 /* Initializer scope for a lambda. We don't need to represent
1582 this; the normal code will just treat the variable as a type
1583 scope, which gives appropriate output. */
1584 if (ret == NULL)
1585 return NULL;
1586 d_advance (di, 1);
1587 continue;
1588 }
1b4974e7 1589 else
1590 return NULL;
1591
1592 if (ret == NULL)
1593 ret = dc;
168d63e5 1594 else
1b4974e7 1595 ret = d_make_comp (di, comb_type, ret, dc);
1596
1597 if (peek != 'S' && d_peek_char (di) != 'E')
1598 {
1599 if (! d_add_substitution (di, ret))
1600 return NULL;
1601 }
168d63e5 1602 }
1603}
1604
1b4974e7 1605/* <unqualified-name> ::= <operator-name>
1606 ::= <ctor-dtor-name>
1607 ::= <source-name>
9751796f 1608 ::= <local-source-name>
1609
1610 <local-source-name> ::= L <source-name> <discriminator>
1b4974e7 1611*/
168d63e5 1612
f95cb811 1613static struct demangle_component *
d94aaf66 1614d_unqualified_name (struct d_info *di)
168d63e5 1615{
185be9f5 1616 struct demangle_component *ret;
1b4974e7 1617 char peek;
1618
1619 peek = d_peek_char (di);
1620 if (IS_DIGIT (peek))
185be9f5 1621 ret = d_source_name (di);
3c87c5c3 1622 else if (IS_LOWER (peek))
2c0843db 1623 {
322066d8 1624 if (peek == 'o' && d_peek_next_char (di) == 'n')
1625 d_advance (di, 2);
2c0843db 1626 ret = d_operator_name (di);
f95cb811 1627 if (ret != NULL && ret->type == DEMANGLE_COMPONENT_OPERATOR)
307586fb 1628 {
1629 di->expansion += sizeof "operator" + ret->u.s_operator.op->len - 2;
1630 if (!strcmp (ret->u.s_operator.op->code, "li"))
1631 ret = d_make_comp (di, DEMANGLE_COMPONENT_UNARY, ret,
1632 d_source_name (di));
1633 }
2c0843db 1634 }
1b4974e7 1635 else if (peek == 'C' || peek == 'D')
185be9f5 1636 ret = d_ctor_dtor_name (di);
9751796f 1637 else if (peek == 'L')
1638 {
9751796f 1639 d_advance (di, 1);
1640
1641 ret = d_source_name (di);
1642 if (ret == NULL)
1643 return NULL;
1644 if (! d_discriminator (di))
1645 return NULL;
9751796f 1646 }
a8b75081 1647 else if (peek == 'U')
1648 {
1649 switch (d_peek_next_char (di))
1650 {
1651 case 'l':
185be9f5 1652 ret = d_lambda (di);
1653 break;
a8b75081 1654 case 't':
185be9f5 1655 ret = d_unnamed_type (di);
1656 break;
a8b75081 1657 default:
1658 return NULL;
1659 }
1660 }
1b4974e7 1661 else
140d75d7 1662 return NULL;
185be9f5 1663
1664 if (d_peek_char (di) == 'B')
1665 ret = d_abi_tags (di, ret);
1666 return ret;
168d63e5 1667}
1668
1b4974e7 1669/* <source-name> ::= <(positive length) number> <identifier> */
168d63e5 1670
f95cb811 1671static struct demangle_component *
d94aaf66 1672d_source_name (struct d_info *di)
168d63e5 1673{
7d235b1b 1674 int len;
f95cb811 1675 struct demangle_component *ret;
1b4974e7 1676
1677 len = d_number (di);
1678 if (len <= 0)
1679 return NULL;
1680 ret = d_identifier (di, len);
1681 di->last_name = ret;
1682 return ret;
168d63e5 1683}
1684
1b4974e7 1685/* number ::= [n] <(non-negative decimal integer)> */
168d63e5 1686
7d235b1b 1687static int
d94aaf66 1688d_number (struct d_info *di)
168d63e5 1689{
2c0843db 1690 int negative;
1b4974e7 1691 char peek;
7d235b1b 1692 int ret;
168d63e5 1693
2c0843db 1694 negative = 0;
1b4974e7 1695 peek = d_peek_char (di);
1696 if (peek == 'n')
1697 {
2c0843db 1698 negative = 1;
1b4974e7 1699 d_advance (di, 1);
1700 peek = d_peek_char (di);
1701 }
168d63e5 1702
1b4974e7 1703 ret = 0;
1704 while (1)
168d63e5 1705 {
1b4974e7 1706 if (! IS_DIGIT (peek))
2c0843db 1707 {
1708 if (negative)
1709 ret = - ret;
1710 return ret;
1711 }
e309c6a6 1712 if (ret > ((INT_MAX - (peek - '0')) / 10))
1713 return -1;
1b4974e7 1714 ret = ret * 10 + peek - '0';
1715 d_advance (di, 1);
1716 peek = d_peek_char (di);
168d63e5 1717 }
168d63e5 1718}
1719
29e2e80a 1720/* Like d_number, but returns a demangle_component. */
1721
1722static struct demangle_component *
1723d_number_component (struct d_info *di)
1724{
1725 struct demangle_component *ret = d_make_empty (di);
1726 if (ret)
1727 {
1728 ret->type = DEMANGLE_COMPONENT_NUMBER;
1729 ret->u.s_number.number = d_number (di);
1730 }
1731 return ret;
1732}
1733
1b4974e7 1734/* identifier ::= <(unqualified source code identifier)> */
168d63e5 1735
f95cb811 1736static struct demangle_component *
7d235b1b 1737d_identifier (struct d_info *di, int len)
168d63e5 1738{
1b4974e7 1739 const char *name;
168d63e5 1740
1b4974e7 1741 name = d_str (di);
2c0843db 1742
1743 if (di->send - name < len)
1744 return NULL;
1745
1b4974e7 1746 d_advance (di, len);
168d63e5 1747
abe6933a 1748 /* A Java mangled name may have a trailing '$' if it is a C++
1749 keyword. This '$' is not included in the length count. We just
1750 ignore the '$'. */
1751 if ((di->options & DMGL_JAVA) != 0
1752 && d_peek_char (di) == '$')
1753 d_advance (di, 1);
1754
1b4974e7 1755 /* Look for something which looks like a gcc encoding of an
1756 anonymous namespace, and replace it with a more user friendly
1757 name. */
7d235b1b 1758 if (len >= (int) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2
1b4974e7 1759 && memcmp (name, ANONYMOUS_NAMESPACE_PREFIX,
1760 ANONYMOUS_NAMESPACE_PREFIX_LEN) == 0)
168d63e5 1761 {
1b4974e7 1762 const char *s;
1763
1764 s = name + ANONYMOUS_NAMESPACE_PREFIX_LEN;
1765 if ((*s == '.' || *s == '_' || *s == '$')
1766 && s[1] == 'N')
2c0843db 1767 {
1768 di->expansion -= len - sizeof "(anonymous namespace)";
1769 return d_make_name (di, "(anonymous namespace)",
1770 sizeof "(anonymous namespace)" - 1);
1771 }
168d63e5 1772 }
1b4974e7 1773
1774 return d_make_name (di, name, len);
168d63e5 1775}
1776
1b4974e7 1777/* operator_name ::= many different two character encodings.
1778 ::= cv <type>
1779 ::= v <digit> <source-name>
407e46c7 1780
1781 This list is sorted for binary search. */
168d63e5 1782
2c0843db 1783#define NL(s) s, (sizeof s) - 1
1784
f95cb811 1785CP_STATIC_IF_GLIBCPP_V3
1786const struct demangle_operator_info cplus_demangle_operators[] =
1b4974e7 1787{
2c0843db 1788 { "aN", NL ("&="), 2 },
1789 { "aS", NL ("="), 2 },
1790 { "aa", NL ("&&"), 2 },
1791 { "ad", NL ("&"), 1 },
1792 { "an", NL ("&"), 2 },
407e46c7 1793 { "at", NL ("alignof "), 1 },
1794 { "az", NL ("alignof "), 1 },
6434e009 1795 { "cc", NL ("const_cast"), 2 },
a2ad5e1b 1796 { "cl", NL ("()"), 2 },
2c0843db 1797 { "cm", NL (","), 2 },
1798 { "co", NL ("~"), 1 },
1799 { "dV", NL ("/="), 2 },
2d847c18 1800 { "da", NL ("delete[] "), 1 },
6434e009 1801 { "dc", NL ("dynamic_cast"), 2 },
2c0843db 1802 { "de", NL ("*"), 1 },
2d847c18 1803 { "dl", NL ("delete "), 1 },
1804 { "ds", NL (".*"), 2 },
4682b6fe 1805 { "dt", NL ("."), 2 },
2c0843db 1806 { "dv", NL ("/"), 2 },
1807 { "eO", NL ("^="), 2 },
1808 { "eo", NL ("^"), 2 },
1809 { "eq", NL ("=="), 2 },
5bb83f10 1810 { "fL", NL ("..."), 3 },
1811 { "fR", NL ("..."), 3 },
1812 { "fl", NL ("..."), 2 },
1813 { "fr", NL ("..."), 2 },
2c0843db 1814 { "ge", NL (">="), 2 },
2d847c18 1815 { "gs", NL ("::"), 1 },
2c0843db 1816 { "gt", NL (">"), 2 },
1817 { "ix", NL ("[]"), 2 },
1818 { "lS", NL ("<<="), 2 },
1819 { "le", NL ("<="), 2 },
307586fb 1820 { "li", NL ("operator\"\" "), 1 },
2c0843db 1821 { "ls", NL ("<<"), 2 },
1822 { "lt", NL ("<"), 2 },
1823 { "mI", NL ("-="), 2 },
1824 { "mL", NL ("*="), 2 },
1825 { "mi", NL ("-"), 2 },
1826 { "ml", NL ("*"), 2 },
1827 { "mm", NL ("--"), 1 },
2d847c18 1828 { "na", NL ("new[]"), 3 },
2c0843db 1829 { "ne", NL ("!="), 2 },
1830 { "ng", NL ("-"), 1 },
1831 { "nt", NL ("!"), 1 },
2d847c18 1832 { "nw", NL ("new"), 3 },
2c0843db 1833 { "oR", NL ("|="), 2 },
1834 { "oo", NL ("||"), 2 },
1835 { "or", NL ("|"), 2 },
1836 { "pL", NL ("+="), 2 },
1837 { "pl", NL ("+"), 2 },
1838 { "pm", NL ("->*"), 2 },
1839 { "pp", NL ("++"), 1 },
1840 { "ps", NL ("+"), 1 },
1841 { "pt", NL ("->"), 2 },
1842 { "qu", NL ("?"), 3 },
1843 { "rM", NL ("%="), 2 },
1844 { "rS", NL (">>="), 2 },
6434e009 1845 { "rc", NL ("reinterpret_cast"), 2 },
2c0843db 1846 { "rm", NL ("%"), 2 },
1847 { "rs", NL (">>"), 2 },
17fdf85c 1848 { "sP", NL ("sizeof..."), 1 },
1849 { "sZ", NL ("sizeof..."), 1 },
6434e009 1850 { "sc", NL ("static_cast"), 2 },
2c0843db 1851 { "st", NL ("sizeof "), 1 },
f95cb811 1852 { "sz", NL ("sizeof "), 1 },
2d847c18 1853 { "tr", NL ("throw"), 0 },
1854 { "tw", NL ("throw "), 1 },
f95cb811 1855 { NULL, NULL, 0, 0 }
1b4974e7 1856};
168d63e5 1857
f95cb811 1858static struct demangle_component *
d94aaf66 1859d_operator_name (struct d_info *di)
168d63e5 1860{
1b4974e7 1861 char c1;
1862 char c2;
168d63e5 1863
1b4974e7 1864 c1 = d_next_char (di);
1865 c2 = d_next_char (di);
1866 if (c1 == 'v' && IS_DIGIT (c2))
1867 return d_make_extended_operator (di, c2 - '0', d_source_name (di));
1868 else if (c1 == 'c' && c2 == 'v')
f89ffc3b 1869 {
1870 struct demangle_component *type;
1871 int was_conversion = di->is_conversion;
88845c03 1872 struct demangle_component *res;
f89ffc3b 1873
1874 di->is_conversion = ! di->is_expression;
1875 type = cplus_demangle_type (di);
88845c03 1876 if (di->is_conversion)
1877 res = d_make_comp (di, DEMANGLE_COMPONENT_CONVERSION, type, NULL);
1878 else
1879 res = d_make_comp (di, DEMANGLE_COMPONENT_CAST, type, NULL);
f89ffc3b 1880 di->is_conversion = was_conversion;
88845c03 1881 return res;
f89ffc3b 1882 }
1b4974e7 1883 else
168d63e5 1884 {
f95cb811 1885 /* LOW is the inclusive lower bound. */
1b4974e7 1886 int low = 0;
f95cb811 1887 /* HIGH is the exclusive upper bound. We subtract one to ignore
1888 the sentinel at the end of the array. */
1889 int high = ((sizeof (cplus_demangle_operators)
1890 / sizeof (cplus_demangle_operators[0]))
1891 - 1);
168d63e5 1892
1b4974e7 1893 while (1)
1894 {
1895 int i;
f95cb811 1896 const struct demangle_operator_info *p;
168d63e5 1897
1b4974e7 1898 i = low + (high - low) / 2;
f95cb811 1899 p = cplus_demangle_operators + i;
168d63e5 1900
1b4974e7 1901 if (c1 == p->code[0] && c2 == p->code[1])
1902 return d_make_operator (di, p);
1903
1904 if (c1 < p->code[0] || (c1 == p->code[0] && c2 < p->code[1]))
1905 high = i;
1906 else
1907 low = i + 1;
1908 if (low == high)
1909 return NULL;
1910 }
1911 }
168d63e5 1912}
1913
c8d35c3c 1914static struct demangle_component *
1915d_make_character (struct d_info *di, int c)
1916{
1917 struct demangle_component *p;
1918 p = d_make_empty (di);
1919 if (p != NULL)
1920 {
1921 p->type = DEMANGLE_COMPONENT_CHARACTER;
1922 p->u.s_character.character = c;
1923 }
1924 return p;
1925}
1926
1927static struct demangle_component *
1928d_java_resource (struct d_info *di)
1929{
1930 struct demangle_component *p = NULL;
1931 struct demangle_component *next = NULL;
7d235b1b 1932 int len, i;
c8d35c3c 1933 char c;
1934 const char *str;
1935
1936 len = d_number (di);
1937 if (len <= 1)
1938 return NULL;
1939
1940 /* Eat the leading '_'. */
1941 if (d_next_char (di) != '_')
1942 return NULL;
1943 len--;
1944
1945 str = d_str (di);
1946 i = 0;
1947
1948 while (len > 0)
1949 {
1950 c = str[i];
1951 if (!c)
1952 return NULL;
1953
1954 /* Each chunk is either a '$' escape... */
1955 if (c == '$')
1956 {
1957 i++;
1958 switch (str[i++])
1959 {
1960 case 'S':
1961 c = '/';
1962 break;
1963 case '_':
1964 c = '.';
1965 break;
1966 case '$':
1967 c = '$';
1968 break;
1969 default:
1970 return NULL;
1971 }
1972 next = d_make_character (di, c);
1973 d_advance (di, i);
1974 str = d_str (di);
1975 len -= i;
1976 i = 0;
1977 if (next == NULL)
1978 return NULL;
1979 }
1980 /* ... or a sequence of characters. */
1981 else
1982 {
1983 while (i < len && str[i] && str[i] != '$')
1984 i++;
1985
1986 next = d_make_name (di, str, i);
1987 d_advance (di, i);
1988 str = d_str (di);
1989 len -= i;
1990 i = 0;
1991 if (next == NULL)
1992 return NULL;
1993 }
1994
1995 if (p == NULL)
1996 p = next;
1997 else
1998 {
1999 p = d_make_comp (di, DEMANGLE_COMPONENT_COMPOUND_NAME, p, next);
2000 if (p == NULL)
2001 return NULL;
2002 }
2003 }
2004
2005 p = d_make_comp (di, DEMANGLE_COMPONENT_JAVA_RESOURCE, p, NULL);
2006
2007 return p;
2008}
2009
1b4974e7 2010/* <special-name> ::= TV <type>
2011 ::= TT <type>
2012 ::= TI <type>
2013 ::= TS <type>
95f798aa 2014 ::= TA <template-arg>
1b4974e7 2015 ::= GV <(object) name>
2016 ::= T <call-offset> <(base) encoding>
2017 ::= Tc <call-offset> <call-offset> <(base) encoding>
2018 Also g++ extensions:
2019 ::= TC <type> <(offset) number> _ <(base) type>
2020 ::= TF <type>
2021 ::= TJ <type>
2022 ::= GR <name>
e63e3841 2023 ::= GA <encoding>
c8d35c3c 2024 ::= Gr <resource name>
4c0315d0 2025 ::= GTt <encoding>
2026 ::= GTn <encoding>
1b4974e7 2027*/
168d63e5 2028
f95cb811 2029static struct demangle_component *
d94aaf66 2030d_special_name (struct d_info *di)
168d63e5 2031{
2c0843db 2032 di->expansion += 20;
b785de4a 2033 if (d_check_char (di, 'T'))
140d75d7 2034 {
1b4974e7 2035 switch (d_next_char (di))
2036 {
2037 case 'V':
2c0843db 2038 di->expansion -= 5;
f95cb811 2039 return d_make_comp (di, DEMANGLE_COMPONENT_VTABLE,
2040 cplus_demangle_type (di), NULL);
1b4974e7 2041 case 'T':
2c0843db 2042 di->expansion -= 10;
f95cb811 2043 return d_make_comp (di, DEMANGLE_COMPONENT_VTT,
2044 cplus_demangle_type (di), NULL);
1b4974e7 2045 case 'I':
f95cb811 2046 return d_make_comp (di, DEMANGLE_COMPONENT_TYPEINFO,
2047 cplus_demangle_type (di), NULL);
1b4974e7 2048 case 'S':
f95cb811 2049 return d_make_comp (di, DEMANGLE_COMPONENT_TYPEINFO_NAME,
2050 cplus_demangle_type (di), NULL);
168d63e5 2051
1b4974e7 2052 case 'h':
2053 if (! d_call_offset (di, 'h'))
2054 return NULL;
f95cb811 2055 return d_make_comp (di, DEMANGLE_COMPONENT_THUNK,
2056 d_encoding (di, 0), NULL);
168d63e5 2057
1b4974e7 2058 case 'v':
2059 if (! d_call_offset (di, 'v'))
2060 return NULL;
f95cb811 2061 return d_make_comp (di, DEMANGLE_COMPONENT_VIRTUAL_THUNK,
2062 d_encoding (di, 0), NULL);
168d63e5 2063
1b4974e7 2064 case 'c':
2065 if (! d_call_offset (di, '\0'))
2066 return NULL;
2067 if (! d_call_offset (di, '\0'))
2068 return NULL;
f95cb811 2069 return d_make_comp (di, DEMANGLE_COMPONENT_COVARIANT_THUNK,
2070 d_encoding (di, 0), NULL);
168d63e5 2071
1b4974e7 2072 case 'C':
2073 {
f95cb811 2074 struct demangle_component *derived_type;
7d235b1b 2075 int offset;
f95cb811 2076 struct demangle_component *base_type;
1b4974e7 2077
f95cb811 2078 derived_type = cplus_demangle_type (di);
1b4974e7 2079 offset = d_number (di);
2080 if (offset < 0)
2081 return NULL;
b785de4a 2082 if (! d_check_char (di, '_'))
1b4974e7 2083 return NULL;
f95cb811 2084 base_type = cplus_demangle_type (di);
1b4974e7 2085 /* We don't display the offset. FIXME: We should display
2086 it in verbose mode. */
2c0843db 2087 di->expansion += 5;
f95cb811 2088 return d_make_comp (di, DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE,
2089 base_type, derived_type);
1b4974e7 2090 }
168d63e5 2091
1b4974e7 2092 case 'F':
f95cb811 2093 return d_make_comp (di, DEMANGLE_COMPONENT_TYPEINFO_FN,
2094 cplus_demangle_type (di), NULL);
1b4974e7 2095 case 'J':
f95cb811 2096 return d_make_comp (di, DEMANGLE_COMPONENT_JAVA_CLASS,
2097 cplus_demangle_type (di), NULL);
168d63e5 2098
462819c8 2099 case 'H':
2100 return d_make_comp (di, DEMANGLE_COMPONENT_TLS_INIT,
3dc558bb 2101 d_name (di), NULL);
462819c8 2102
2103 case 'W':
2104 return d_make_comp (di, DEMANGLE_COMPONENT_TLS_WRAPPER,
3dc558bb 2105 d_name (di), NULL);
462819c8 2106
95f798aa 2107 case 'A':
2108 return d_make_comp (di, DEMANGLE_COMPONENT_TPARM_OBJ,
2109 d_template_arg (di), NULL);
2110
1b4974e7 2111 default:
2112 return NULL;
2113 }
168d63e5 2114 }
b785de4a 2115 else if (d_check_char (di, 'G'))
168d63e5 2116 {
1b4974e7 2117 switch (d_next_char (di))
2118 {
2119 case 'V':
4e5e8012 2120 return d_make_comp (di, DEMANGLE_COMPONENT_GUARD,
3dc558bb 2121 d_name (di), NULL);
1b4974e7 2122
2123 case 'R':
c7b89256 2124 {
3dc558bb 2125 struct demangle_component *name = d_name (di);
c7b89256 2126 return d_make_comp (di, DEMANGLE_COMPONENT_REFTEMP, name,
2127 d_number_component (di));
2128 }
1b4974e7 2129
e63e3841 2130 case 'A':
2131 return d_make_comp (di, DEMANGLE_COMPONENT_HIDDEN_ALIAS,
2132 d_encoding (di, 0), NULL);
2133
4c0315d0 2134 case 'T':
2135 switch (d_next_char (di))
2136 {
2137 case 'n':
2138 return d_make_comp (di, DEMANGLE_COMPONENT_NONTRANSACTION_CLONE,
2139 d_encoding (di, 0), NULL);
2140 default:
2141 /* ??? The proposal is that other letters (such as 'h') stand
2142 for different variants of transaction cloning, such as
2143 compiling directly for hardware transaction support. But
2144 they still should all be transactional clones of some sort
2145 so go ahead and call them that. */
2146 case 't':
2147 return d_make_comp (di, DEMANGLE_COMPONENT_TRANSACTION_CLONE,
2148 d_encoding (di, 0), NULL);
2149 }
2150
c8d35c3c 2151 case 'r':
2152 return d_java_resource (di);
2153
1b4974e7 2154 default:
2155 return NULL;
2156 }
168d63e5 2157 }
1b4974e7 2158 else
2159 return NULL;
168d63e5 2160}
2161
1b4974e7 2162/* <call-offset> ::= h <nv-offset> _
2163 ::= v <v-offset> _
168d63e5 2164
1b4974e7 2165 <nv-offset> ::= <(offset) number>
168d63e5 2166
1b4974e7 2167 <v-offset> ::= <(offset) number> _ <(virtual offset) number>
168d63e5 2168
1b4974e7 2169 The C parameter, if not '\0', is a character we just read which is
2170 the start of the <call-offset>.
168d63e5 2171
1b4974e7 2172 We don't display the offset information anywhere. FIXME: We should
2173 display it in verbose mode. */
168d63e5 2174
1b4974e7 2175static int
d94aaf66 2176d_call_offset (struct d_info *di, int c)
168d63e5 2177{
1b4974e7 2178 if (c == '\0')
2179 c = d_next_char (di);
168d63e5 2180
1b4974e7 2181 if (c == 'h')
0aef8b79 2182 d_number (di);
1b4974e7 2183 else if (c == 'v')
168d63e5 2184 {
0aef8b79 2185 d_number (di);
b785de4a 2186 if (! d_check_char (di, '_'))
1b4974e7 2187 return 0;
0aef8b79 2188 d_number (di);
168d63e5 2189 }
1b4974e7 2190 else
2191 return 0;
168d63e5 2192
b785de4a 2193 if (! d_check_char (di, '_'))
1b4974e7 2194 return 0;
168d63e5 2195
1b4974e7 2196 return 1;
168d63e5 2197}
2198
1b4974e7 2199/* <ctor-dtor-name> ::= C1
2200 ::= C2
2201 ::= C3
2202 ::= D0
2203 ::= D1
2204 ::= D2
2205*/
2206
f95cb811 2207static struct demangle_component *
d94aaf66 2208d_ctor_dtor_name (struct d_info *di)
1b4974e7 2209{
2c0843db 2210 if (di->last_name != NULL)
2211 {
f95cb811 2212 if (di->last_name->type == DEMANGLE_COMPONENT_NAME)
2c0843db 2213 di->expansion += di->last_name->u.s_name.len;
f95cb811 2214 else if (di->last_name->type == DEMANGLE_COMPONENT_SUB_STD)
2c0843db 2215 di->expansion += di->last_name->u.s_string.len;
2216 }
b785de4a 2217 switch (d_peek_char (di))
1b4974e7 2218 {
2219 case 'C':
2220 {
2221 enum gnu_v3_ctor_kinds kind;
7896267d 2222 int inheriting = 0;
2223
2224 if (d_peek_next_char (di) == 'I')
2225 {
2226 inheriting = 1;
2227 d_advance (di, 1);
2228 }
1b4974e7 2229
b785de4a 2230 switch (d_peek_next_char (di))
1b4974e7 2231 {
2232 case '1':
2233 kind = gnu_v3_complete_object_ctor;
2234 break;
2235 case '2':
2236 kind = gnu_v3_base_object_ctor;
2237 break;
2238 case '3':
2239 kind = gnu_v3_complete_object_allocating_ctor;
2240 break;
468088ac 2241 case '4':
2242 kind = gnu_v3_unified_ctor;
2243 break;
4c0315d0 2244 case '5':
2245 kind = gnu_v3_object_ctor_group;
2246 break;
1b4974e7 2247 default:
2248 return NULL;
2249 }
7896267d 2250
b785de4a 2251 d_advance (di, 2);
7896267d 2252
2253 if (inheriting)
2254 cplus_demangle_type (di);
2255
1b4974e7 2256 return d_make_ctor (di, kind, di->last_name);
2257 }
2258
2259 case 'D':
2260 {
2261 enum gnu_v3_dtor_kinds kind;
2262
b785de4a 2263 switch (d_peek_next_char (di))
1b4974e7 2264 {
2265 case '0':
2266 kind = gnu_v3_deleting_dtor;
2267 break;
2268 case '1':
2269 kind = gnu_v3_complete_object_dtor;
2270 break;
2271 case '2':
2272 kind = gnu_v3_base_object_dtor;
2273 break;
468088ac 2274 /* digit '3' is not used */
2275 case '4':
2276 kind = gnu_v3_unified_dtor;
2277 break;
4c0315d0 2278 case '5':
2279 kind = gnu_v3_object_dtor_group;
2280 break;
1b4974e7 2281 default:
2282 return NULL;
2283 }
b785de4a 2284 d_advance (di, 2);
1b4974e7 2285 return d_make_dtor (di, kind, di->last_name);
2286 }
168d63e5 2287
1b4974e7 2288 default:
2289 return NULL;
2290 }
2291}
168d63e5 2292
2e9e9363 2293/* True iff we're looking at an order-insensitive type-qualifier, including
2294 function-type-qualifiers. */
2295
2296static int
2297next_is_type_qual (struct d_info *di)
2298{
2299 char peek = d_peek_char (di);
2300 if (peek == 'r' || peek == 'V' || peek == 'K')
2301 return 1;
2302 if (peek == 'D')
2303 {
2304 peek = d_peek_next_char (di);
2305 if (peek == 'x' || peek == 'o' || peek == 'O' || peek == 'w')
2306 return 1;
2307 }
2308 return 0;
2309}
2310
1b4974e7 2311/* <type> ::= <builtin-type>
2312 ::= <function-type>
2313 ::= <class-enum-type>
2314 ::= <array-type>
2315 ::= <pointer-to-member-type>
2316 ::= <template-param>
2317 ::= <template-template-param> <template-args>
2318 ::= <substitution>
2319 ::= <CV-qualifiers> <type>
2320 ::= P <type>
2321 ::= R <type>
c4692e04 2322 ::= O <type> (C++0x)
1b4974e7 2323 ::= C <type>
2324 ::= G <type>
2325 ::= U <source-name> <type>
2326
2327 <builtin-type> ::= various one letter codes
2328 ::= u <source-name>
2329*/
168d63e5 2330
f95cb811 2331CP_STATIC_IF_GLIBCPP_V3
2332const struct demangle_builtin_type_info
2333cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] =
1b4974e7 2334{
a86aec34 2335 /* a */ { NL ("signed char"), NL ("signed char"), D_PRINT_DEFAULT },
2c0843db 2336 /* b */ { NL ("bool"), NL ("boolean"), D_PRINT_BOOL },
a86aec34 2337 /* c */ { NL ("char"), NL ("byte"), D_PRINT_DEFAULT },
2338 /* d */ { NL ("double"), NL ("double"), D_PRINT_FLOAT },
2339 /* e */ { NL ("long double"), NL ("long double"), D_PRINT_FLOAT },
2340 /* f */ { NL ("float"), NL ("float"), D_PRINT_FLOAT },
2341 /* g */ { NL ("__float128"), NL ("__float128"), D_PRINT_FLOAT },
2342 /* h */ { NL ("unsigned char"), NL ("unsigned char"), D_PRINT_DEFAULT },
2c0843db 2343 /* i */ { NL ("int"), NL ("int"), D_PRINT_INT },
a86aec34 2344 /* j */ { NL ("unsigned int"), NL ("unsigned"), D_PRINT_UNSIGNED },
2c0843db 2345 /* k */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
2346 /* l */ { NL ("long"), NL ("long"), D_PRINT_LONG },
a86aec34 2347 /* m */ { NL ("unsigned long"), NL ("unsigned long"), D_PRINT_UNSIGNED_LONG },
2c0843db 2348 /* n */ { NL ("__int128"), NL ("__int128"), D_PRINT_DEFAULT },
a86aec34 2349 /* o */ { NL ("unsigned __int128"), NL ("unsigned __int128"),
2350 D_PRINT_DEFAULT },
4682b6fe 2351 /* p */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
2352 /* q */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
2353 /* r */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
a86aec34 2354 /* s */ { NL ("short"), NL ("short"), D_PRINT_DEFAULT },
2355 /* t */ { NL ("unsigned short"), NL ("unsigned short"), D_PRINT_DEFAULT },
4682b6fe 2356 /* u */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
2c0843db 2357 /* v */ { NL ("void"), NL ("void"), D_PRINT_VOID },
a86aec34 2358 /* w */ { NL ("wchar_t"), NL ("char"), D_PRINT_DEFAULT },
2359 /* x */ { NL ("long long"), NL ("long"), D_PRINT_LONG_LONG },
2360 /* y */ { NL ("unsigned long long"), NL ("unsigned long long"),
2361 D_PRINT_UNSIGNED_LONG_LONG },
2c0843db 2362 /* z */ { NL ("..."), NL ("..."), D_PRINT_DEFAULT },
4682b6fe 2363 /* 26 */ { NL ("decimal32"), NL ("decimal32"), D_PRINT_DEFAULT },
2364 /* 27 */ { NL ("decimal64"), NL ("decimal64"), D_PRINT_DEFAULT },
2365 /* 28 */ { NL ("decimal128"), NL ("decimal128"), D_PRINT_DEFAULT },
2366 /* 29 */ { NL ("half"), NL ("half"), D_PRINT_FLOAT },
82362779 2367 /* 30 */ { NL ("char8_t"), NL ("char8_t"), D_PRINT_DEFAULT },
2368 /* 31 */ { NL ("char16_t"), NL ("char16_t"), D_PRINT_DEFAULT },
2369 /* 32 */ { NL ("char32_t"), NL ("char32_t"), D_PRINT_DEFAULT },
2370 /* 33 */ { NL ("decltype(nullptr)"), NL ("decltype(nullptr)"),
6fe11077 2371 D_PRINT_DEFAULT },
1b4974e7 2372};
168d63e5 2373
f95cb811 2374CP_STATIC_IF_GLIBCPP_V3
2375struct demangle_component *
d94aaf66 2376cplus_demangle_type (struct d_info *di)
168d63e5 2377{
1b4974e7 2378 char peek;
f95cb811 2379 struct demangle_component *ret;
1b4974e7 2380 int can_subst;
2381
2382 /* The ABI specifies that when CV-qualifiers are used, the base type
2383 is substitutable, and the fully qualified type is substitutable,
2384 but the base type with a strict subset of the CV-qualifiers is
2385 not substitutable. The natural recursive implementation of the
2386 CV-qualifiers would cause subsets to be substitutable, so instead
2387 we pull them all off now.
2388
c1ea6f0c 2389 FIXME: The ABI says that order-insensitive vendor qualifiers
2390 should be handled in the same way, but we have no way to tell
2391 which vendor qualifiers are order-insensitive and which are
2392 order-sensitive. So we just assume that they are all
2393 order-sensitive. g++ 3.4 supports only one vendor qualifier,
2394 __vector, and it treats it as order-sensitive when mangling
2395 names. */
1b4974e7 2396
2e9e9363 2397 if (next_is_type_qual (di))
1b4974e7 2398 {
f95cb811 2399 struct demangle_component **pret;
168d63e5 2400
3c87c5c3 2401 pret = d_cv_qualifiers (di, &ret, 0);
c1ea6f0c 2402 if (pret == NULL)
2403 return NULL;
862e5b6d 2404 if (d_peek_char (di) == 'F')
2405 {
2406 /* cv-qualifiers before a function type apply to 'this',
2407 so avoid adding the unqualified function type to
2408 the substitution list. */
2409 *pret = d_function_type (di);
2410 }
2411 else
2412 *pret = cplus_demangle_type (di);
2413 if (!*pret)
1189258f 2414 return NULL;
2415 if ((*pret)->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS
2416 || (*pret)->type == DEMANGLE_COMPONENT_REFERENCE_THIS)
2417 {
2418 /* Move the ref-qualifier outside the cv-qualifiers so that
2419 they are printed in the right order. */
2420 struct demangle_component *fn = d_left (*pret);
2421 d_left (*pret) = ret;
2422 ret = *pret;
2423 *pret = fn;
2424 }
2425 if (! d_add_substitution (di, ret))
1b4974e7 2426 return NULL;
2427 return ret;
2428 }
cf70278e 2429
1b4974e7 2430 can_subst = 1;
168d63e5 2431
2e9e9363 2432 peek = d_peek_char (di);
f8aeab41 2433 switch (peek)
168d63e5 2434 {
1b4974e7 2435 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
2436 case 'h': case 'i': case 'j': case 'l': case 'm': case 'n':
2437 case 'o': case 's': case 't':
2438 case 'v': case 'w': case 'x': case 'y': case 'z':
f95cb811 2439 ret = d_make_builtin_type (di,
2440 &cplus_demangle_builtin_types[peek - 'a']);
2c0843db 2441 di->expansion += ret->u.s_builtin.type->len;
1b4974e7 2442 can_subst = 0;
2443 d_advance (di, 1);
2444 break;
2445
2446 case 'u':
2447 d_advance (di, 1);
f95cb811 2448 ret = d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_TYPE,
2449 d_source_name (di), NULL);
1b4974e7 2450 break;
2451
2452 case 'F':
2453 ret = d_function_type (di);
168d63e5 2454 break;
2455
1b4974e7 2456 case '0': case '1': case '2': case '3': case '4':
2457 case '5': case '6': case '7': case '8': case '9':
2458 case 'N':
168d63e5 2459 case 'Z':
1b4974e7 2460 ret = d_class_enum_type (di);
168d63e5 2461 break;
2462
1b4974e7 2463 case 'A':
2464 ret = d_array_type (di);
2465 break;
2466
2467 case 'M':
2468 ret = d_pointer_to_member_type (di);
2469 break;
2470
2471 case 'T':
2472 ret = d_template_param (di);
2473 if (d_peek_char (di) == 'I')
b7f68aff 2474 {
f89ffc3b 2475 /* This may be <template-template-param> <template-args>.
2476 If this is the type for a conversion operator, we can
2477 have a <template-template-param> here only by following
2478 a derivation like this:
2479
2480 <nested-name>
2481 -> <template-prefix> <template-args>
2482 -> <prefix> <template-unqualified-name> <template-args>
2483 -> <unqualified-name> <template-unqualified-name> <template-args>
2484 -> <source-name> <template-unqualified-name> <template-args>
2485 -> <source-name> <operator-name> <template-args>
2486 -> <source-name> cv <type> <template-args>
2487 -> <source-name> cv <template-template-param> <template-args> <template-args>
2488
2489 where the <template-args> is followed by another.
2490 Otherwise, we must have a derivation like this:
2491
2492 <nested-name>
2493 -> <template-prefix> <template-args>
2494 -> <prefix> <template-unqualified-name> <template-args>
2495 -> <unqualified-name> <template-unqualified-name> <template-args>
2496 -> <source-name> <template-unqualified-name> <template-args>
2497 -> <source-name> <operator-name> <template-args>
2498 -> <source-name> cv <type> <template-args>
2499 -> <source-name> cv <template-param> <template-args>
2500
2501 where we need to leave the <template-args> to be processed
2502 by d_prefix (following the <template-prefix>).
2503
2504 The <template-template-param> part is a substitution
1b4974e7 2505 candidate. */
f89ffc3b 2506 if (! di->is_conversion)
2507 {
2508 if (! d_add_substitution (di, ret))
2509 return NULL;
2510 ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret,
2511 d_template_args (di));
2512 }
2513 else
2514 {
2515 struct demangle_component *args;
2516 struct d_info_checkpoint checkpoint;
2517
2518 d_checkpoint (di, &checkpoint);
2519 args = d_template_args (di);
2520 if (d_peek_char (di) == 'I')
2521 {
2522 if (! d_add_substitution (di, ret))
2523 return NULL;
2524 ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret,
2525 args);
2526 }
2527 else
2528 d_backtrack (di, &checkpoint);
2529 }
b7f68aff 2530 }
1b4974e7 2531 break;
2532
2533 case 'S':
2534 /* If this is a special substitution, then it is the start of
2535 <class-enum-type>. */
2536 {
2537 char peek_next;
62c2feed 2538
1b4974e7 2539 peek_next = d_peek_next_char (di);
2540 if (IS_DIGIT (peek_next)
2541 || peek_next == '_'
3c87c5c3 2542 || IS_UPPER (peek_next))
1b4974e7 2543 {
b69d25f7 2544 ret = d_substitution (di, 0);
1b4974e7 2545 /* The substituted name may have been a template name and
2546 may be followed by tepmlate args. */
2547 if (d_peek_char (di) == 'I')
f95cb811 2548 ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret,
1b4974e7 2549 d_template_args (di));
2550 else
2551 can_subst = 0;
2552 }
2553 else
2554 {
2555 ret = d_class_enum_type (di);
2556 /* If the substitution was a complete type, then it is not
2557 a new substitution candidate. However, if the
2558 substitution was followed by template arguments, then
2559 the whole thing is a substitution candidate. */
f95cb811 2560 if (ret != NULL && ret->type == DEMANGLE_COMPONENT_SUB_STD)
1b4974e7 2561 can_subst = 0;
2562 }
2563 }
168d63e5 2564 break;
2565
c4692e04 2566 case 'O':
2567 d_advance (di, 1);
2568 ret = d_make_comp (di, DEMANGLE_COMPONENT_RVALUE_REFERENCE,
2569 cplus_demangle_type (di), NULL);
2570 break;
2571
1b4974e7 2572 case 'P':
2573 d_advance (di, 1);
f95cb811 2574 ret = d_make_comp (di, DEMANGLE_COMPONENT_POINTER,
2575 cplus_demangle_type (di), NULL);
1b4974e7 2576 break;
168d63e5 2577
1b4974e7 2578 case 'R':
2579 d_advance (di, 1);
f95cb811 2580 ret = d_make_comp (di, DEMANGLE_COMPONENT_REFERENCE,
c4692e04 2581 cplus_demangle_type (di), NULL);
1b4974e7 2582 break;
168d63e5 2583
1b4974e7 2584 case 'C':
2585 d_advance (di, 1);
f95cb811 2586 ret = d_make_comp (di, DEMANGLE_COMPONENT_COMPLEX,
2587 cplus_demangle_type (di), NULL);
1b4974e7 2588 break;
2589
2590 case 'G':
2591 d_advance (di, 1);
f95cb811 2592 ret = d_make_comp (di, DEMANGLE_COMPONENT_IMAGINARY,
2593 cplus_demangle_type (di), NULL);
1b4974e7 2594 break;
168d63e5 2595
1b4974e7 2596 case 'U':
2597 d_advance (di, 1);
2598 ret = d_source_name (di);
399fbdbd 2599 if (d_peek_char (di) == 'I')
2600 ret = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, ret,
2601 d_template_args (di));
f95cb811 2602 ret = d_make_comp (di, DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL,
2603 cplus_demangle_type (di), ret);
168d63e5 2604 break;
1b4974e7 2605
a2ad5e1b 2606 case 'D':
2607 can_subst = 0;
2608 d_advance (di, 1);
2609 peek = d_next_char (di);
2610 switch (peek)
2611 {
2612 case 'T':
2613 case 't':
2614 /* decltype (expression) */
2615 ret = d_make_comp (di, DEMANGLE_COMPONENT_DECLTYPE,
2616 d_expression (di), NULL);
2617 if (ret && d_next_char (di) != 'E')
2618 ret = NULL;
407e46c7 2619 can_subst = 1;
a2ad5e1b 2620 break;
2621
2622 case 'p':
2623 /* Pack expansion. */
4682b6fe 2624 ret = d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION,
2625 cplus_demangle_type (di), NULL);
407e46c7 2626 can_subst = 1;
4682b6fe 2627 break;
1610993e 2628
2629 case 'a':
2630 /* auto */
2631 ret = d_make_name (di, "auto", 4);
2632 break;
ba3f376e 2633 case 'c':
2634 /* decltype(auto) */
2635 ret = d_make_name (di, "decltype(auto)", 14);
2636 break;
2637
a2ad5e1b 2638 case 'f':
4682b6fe 2639 /* 32-bit decimal floating point */
2640 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[26]);
a2ad5e1b 2641 di->expansion += ret->u.s_builtin.type->len;
2642 break;
2643 case 'd':
4682b6fe 2644 /* 64-bit DFP */
2645 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[27]);
a2ad5e1b 2646 di->expansion += ret->u.s_builtin.type->len;
2647 break;
2648 case 'e':
2649 /* 128-bit DFP */
4682b6fe 2650 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[28]);
a2ad5e1b 2651 di->expansion += ret->u.s_builtin.type->len;
2652 break;
2653 case 'h':
2654 /* 16-bit half-precision FP */
4682b6fe 2655 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[29]);
2656 di->expansion += ret->u.s_builtin.type->len;
2657 break;
82362779 2658 case 'u':
2659 /* char8_t */
2660 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[30]);
2661 di->expansion += ret->u.s_builtin.type->len;
2662 break;
4682b6fe 2663 case 's':
2664 /* char16_t */
82362779 2665 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[31]);
4682b6fe 2666 di->expansion += ret->u.s_builtin.type->len;
2667 break;
2668 case 'i':
2669 /* char32_t */
82362779 2670 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[32]);
a2ad5e1b 2671 di->expansion += ret->u.s_builtin.type->len;
2672 break;
e4583147 2673
2674 case 'F':
2675 /* Fixed point types. DF<int bits><length><fract bits><sat> */
2676 ret = d_make_empty (di);
2677 ret->type = DEMANGLE_COMPONENT_FIXED_TYPE;
2678 if ((ret->u.s_fixed.accum = IS_DIGIT (d_peek_char (di))))
2679 /* For demangling we don't care about the bits. */
2680 d_number (di);
2681 ret->u.s_fixed.length = cplus_demangle_type (di);
9734aa00 2682 if (ret->u.s_fixed.length == NULL)
2683 return NULL;
e4583147 2684 d_number (di);
2685 peek = d_next_char (di);
2686 ret->u.s_fixed.sat = (peek == 's');
2687 break;
c960ca50 2688
29e2e80a 2689 case 'v':
2690 ret = d_vector_type (di);
407e46c7 2691 can_subst = 1;
29e2e80a 2692 break;
2693
6fe11077 2694 case 'n':
2695 /* decltype(nullptr) */
82362779 2696 ret = d_make_builtin_type (di, &cplus_demangle_builtin_types[33]);
6fe11077 2697 di->expansion += ret->u.s_builtin.type->len;
2698 break;
2699
c960ca50 2700 default:
2701 return NULL;
a2ad5e1b 2702 }
2703 break;
2704
1b4974e7 2705 default:
2706 return NULL;
168d63e5 2707 }
2708
1b4974e7 2709 if (can_subst)
2710 {
2711 if (! d_add_substitution (di, ret))
2712 return NULL;
2713 }
168d63e5 2714
1b4974e7 2715 return ret;
2716}
168d63e5 2717
6d02e6b2 2718/* <CV-qualifiers> ::= [r] [V] [K] [Dx] */
168d63e5 2719
f95cb811 2720static struct demangle_component **
d94aaf66 2721d_cv_qualifiers (struct d_info *di,
2722 struct demangle_component **pret, int member_fn)
168d63e5 2723{
94dcf771 2724 struct demangle_component **pstart;
168d63e5 2725 char peek;
2726
94dcf771 2727 pstart = pret;
1b4974e7 2728 peek = d_peek_char (di);
2e9e9363 2729 while (next_is_type_qual (di))
168d63e5 2730 {
f95cb811 2731 enum demangle_component_type t;
2e9e9363 2732 struct demangle_component *right = NULL;
f99edf23 2733
1b4974e7 2734 d_advance (di, 1);
2735 if (peek == 'r')
2c0843db 2736 {
f95cb811 2737 t = (member_fn
2738 ? DEMANGLE_COMPONENT_RESTRICT_THIS
2739 : DEMANGLE_COMPONENT_RESTRICT);
2c0843db 2740 di->expansion += sizeof "restrict";
2741 }
1b4974e7 2742 else if (peek == 'V')
2c0843db 2743 {
f95cb811 2744 t = (member_fn
2745 ? DEMANGLE_COMPONENT_VOLATILE_THIS
2746 : DEMANGLE_COMPONENT_VOLATILE);
2c0843db 2747 di->expansion += sizeof "volatile";
2748 }
6d02e6b2 2749 else if (peek == 'K')
2c0843db 2750 {
f95cb811 2751 t = (member_fn
2752 ? DEMANGLE_COMPONENT_CONST_THIS
2753 : DEMANGLE_COMPONENT_CONST);
2c0843db 2754 di->expansion += sizeof "const";
2755 }
6d02e6b2 2756 else
2757 {
2e9e9363 2758 peek = d_next_char (di);
2759 if (peek == 'x')
2760 {
2761 t = DEMANGLE_COMPONENT_TRANSACTION_SAFE;
2762 di->expansion += sizeof "transaction_safe";
2763 }
2764 else if (peek == 'o'
2765 || peek == 'O')
2766 {
2767 t = DEMANGLE_COMPONENT_NOEXCEPT;
2768 di->expansion += sizeof "noexcept";
2769 if (peek == 'O')
2770 {
2771 right = d_expression (di);
2772 if (right == NULL)
2773 return NULL;
2774 if (! d_check_char (di, 'E'))
2775 return NULL;
2776 }
2777 }
2778 else if (peek == 'w')
2779 {
2780 t = DEMANGLE_COMPONENT_THROW_SPEC;
2781 di->expansion += sizeof "throw";
2782 right = d_parmlist (di);
2783 if (right == NULL)
2784 return NULL;
2785 if (! d_check_char (di, 'E'))
2786 return NULL;
2787 }
2788 else
2789 return NULL;
6d02e6b2 2790 }
168d63e5 2791
2e9e9363 2792 *pret = d_make_comp (di, t, NULL, right);
1b4974e7 2793 if (*pret == NULL)
2794 return NULL;
2795 pret = &d_left (*pret);
168d63e5 2796
1b4974e7 2797 peek = d_peek_char (di);
2798 }
168d63e5 2799
94dcf771 2800 if (!member_fn && peek == 'F')
2801 {
2802 while (pstart != pret)
2803 {
2804 switch ((*pstart)->type)
2805 {
2806 case DEMANGLE_COMPONENT_RESTRICT:
2807 (*pstart)->type = DEMANGLE_COMPONENT_RESTRICT_THIS;
2808 break;
2809 case DEMANGLE_COMPONENT_VOLATILE:
2810 (*pstart)->type = DEMANGLE_COMPONENT_VOLATILE_THIS;
2811 break;
2812 case DEMANGLE_COMPONENT_CONST:
2813 (*pstart)->type = DEMANGLE_COMPONENT_CONST_THIS;
2814 break;
2815 default:
2816 break;
2817 }
2818 pstart = &d_left (*pstart);
2819 }
2820 }
2821
1b4974e7 2822 return pret;
2823}
168d63e5 2824
1189258f 2825/* <ref-qualifier> ::= R
2826 ::= O */
2827
2828static struct demangle_component *
2829d_ref_qualifier (struct d_info *di, struct demangle_component *sub)
2830{
2831 struct demangle_component *ret = sub;
2832 char peek;
2833
2834 peek = d_peek_char (di);
2835 if (peek == 'R' || peek == 'O')
2836 {
2837 enum demangle_component_type t;
2838 if (peek == 'R')
2839 {
2840 t = DEMANGLE_COMPONENT_REFERENCE_THIS;
2841 di->expansion += sizeof "&";
2842 }
2843 else
2844 {
2845 t = DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS;
2846 di->expansion += sizeof "&&";
2847 }
2848 d_advance (di, 1);
2849
2850 ret = d_make_comp (di, t, ret, NULL);
2851 }
2852
2853 return ret;
2854}
2855
6d02e6b2 2856/* <function-type> ::= F [Y] <bare-function-type> [<ref-qualifier>] [T] E */
168d63e5 2857
f95cb811 2858static struct demangle_component *
d94aaf66 2859d_function_type (struct d_info *di)
168d63e5 2860{
03e51746 2861 struct demangle_component *ret = NULL;
168d63e5 2862
03e51746 2863 if ((di->options & DMGL_NO_RECURSE_LIMIT) == 0)
1b4974e7 2864 {
03e51746 2865 if (di->recursion_level > DEMANGLE_RECURSION_LIMIT)
2866 /* FIXME: There ought to be a way to report
2867 that the recursion limit has been reached. */
2868 return NULL;
2869
2870 di->recursion_level ++;
1b4974e7 2871 }
1189258f 2872
03e51746 2873 if (d_check_char (di, 'F'))
2874 {
2875 if (d_peek_char (di) == 'Y')
2876 {
2877 /* Function has C linkage. We don't print this information.
2878 FIXME: We should print it in verbose mode. */
2879 d_advance (di, 1);
2880 }
2881 ret = d_bare_function_type (di, 1);
2882 ret = d_ref_qualifier (di, ret);
2883
2884 if (! d_check_char (di, 'E'))
2885 ret = NULL;
2886 }
2887
2888 if ((di->options & DMGL_NO_RECURSE_LIMIT) == 0)
2889 di->recursion_level --;
1b4974e7 2890 return ret;
2891}
c1b316c0 2892
a8b75081 2893/* <type>+ */
168d63e5 2894
f95cb811 2895static struct demangle_component *
a8b75081 2896d_parmlist (struct d_info *di)
1b4974e7 2897{
f95cb811 2898 struct demangle_component *tl;
2899 struct demangle_component **ptl;
4c8420c9 2900
1b4974e7 2901 tl = NULL;
2902 ptl = &tl;
168d63e5 2903 while (1)
2904 {
f95cb811 2905 struct demangle_component *type;
168d63e5 2906
a8b75081 2907 char peek = d_peek_char (di);
0d80d940 2908 if (peek == '\0' || peek == 'E' || peek == '.')
1b4974e7 2909 break;
1189258f 2910 if ((peek == 'R' || peek == 'O')
2911 && d_peek_next_char (di) == 'E')
2912 /* Function ref-qualifier, not a ref prefix for a parameter type. */
2913 break;
f95cb811 2914 type = cplus_demangle_type (di);
1b4974e7 2915 if (type == NULL)
2916 return NULL;
a8b75081 2917 *ptl = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, type, NULL);
2918 if (*ptl == NULL)
2919 return NULL;
2920 ptl = &d_right (*ptl);
168d63e5 2921 }
168d63e5 2922
1b4974e7 2923 /* There should be at least one parameter type besides the optional
2924 return type. A function which takes no arguments will have a
2925 single parameter type void. */
2926 if (tl == NULL)
2927 return NULL;
168d63e5 2928
1b4974e7 2929 /* If we have a single parameter type void, omit it. */
2930 if (d_right (tl) == NULL
f95cb811 2931 && d_left (tl)->type == DEMANGLE_COMPONENT_BUILTIN_TYPE
1b4974e7 2932 && d_left (tl)->u.s_builtin.type->print == D_PRINT_VOID)
2c0843db 2933 {
2934 di->expansion -= d_left (tl)->u.s_builtin.type->len;
a8b75081 2935 d_left (tl) = NULL;
2c0843db 2936 }
168d63e5 2937
a8b75081 2938 return tl;
2939}
2940
2941/* <bare-function-type> ::= [J]<type>+ */
2942
2943static struct demangle_component *
2944d_bare_function_type (struct d_info *di, int has_return_type)
2945{
2946 struct demangle_component *return_type;
2947 struct demangle_component *tl;
2948 char peek;
2949
2950 /* Detect special qualifier indicating that the first argument
2951 is the return type. */
2952 peek = d_peek_char (di);
2953 if (peek == 'J')
2954 {
2955 d_advance (di, 1);
2956 has_return_type = 1;
2957 }
2958
2959 if (has_return_type)
2960 {
2961 return_type = cplus_demangle_type (di);
2962 if (return_type == NULL)
2963 return NULL;
2964 }
2965 else
2966 return_type = NULL;
2967
2968 tl = d_parmlist (di);
2969 if (tl == NULL)
2970 return NULL;
2971
2972 return d_make_comp (di, DEMANGLE_COMPONENT_FUNCTION_TYPE,
2973 return_type, tl);
1b4974e7 2974}
168d63e5 2975
1b4974e7 2976/* <class-enum-type> ::= <name> */
168d63e5 2977
f95cb811 2978static struct demangle_component *
d94aaf66 2979d_class_enum_type (struct d_info *di)
1b4974e7 2980{
3dc558bb 2981 return d_name (di);
1b4974e7 2982}
cf70278e 2983
1b4974e7 2984/* <array-type> ::= A <(positive dimension) number> _ <(element) type>
2985 ::= A [<(dimension) expression>] _ <(element) type>
2986*/
cf70278e 2987
f95cb811 2988static struct demangle_component *
d94aaf66 2989d_array_type (struct d_info *di)
1b4974e7 2990{
2991 char peek;
f95cb811 2992 struct demangle_component *dim;
cf70278e 2993
b785de4a 2994 if (! d_check_char (di, 'A'))
1b4974e7 2995 return NULL;
2996
2997 peek = d_peek_char (di);
2998 if (peek == '_')
2999 dim = NULL;
3000 else if (IS_DIGIT (peek))
cf70278e 3001 {
1b4974e7 3002 const char *s;
cf70278e 3003
1b4974e7 3004 s = d_str (di);
3005 do
3006 {
3007 d_advance (di, 1);
3008 peek = d_peek_char (di);
3009 }
3010 while (IS_DIGIT (peek));
3011 dim = d_make_name (di, s, d_str (di) - s);
c1ea6f0c 3012 if (dim == NULL)
3013 return NULL;
cf70278e 3014 }
168d63e5 3015 else
1b4974e7 3016 {
3017 dim = d_expression (di);
3018 if (dim == NULL)
3019 return NULL;
3020 }
168d63e5 3021
b785de4a 3022 if (! d_check_char (di, '_'))
1b4974e7 3023 return NULL;
168d63e5 3024
f95cb811 3025 return d_make_comp (di, DEMANGLE_COMPONENT_ARRAY_TYPE, dim,
3026 cplus_demangle_type (di));
1b4974e7 3027}
168d63e5 3028
29e2e80a 3029/* <vector-type> ::= Dv <number> _ <type>
3030 ::= Dv _ <expression> _ <type> */
3031
3032static struct demangle_component *
3033d_vector_type (struct d_info *di)
3034{
3035 char peek;
3036 struct demangle_component *dim;
3037
3038 peek = d_peek_char (di);
3039 if (peek == '_')
3040 {
3041 d_advance (di, 1);
3042 dim = d_expression (di);
3043 }
3044 else
3045 dim = d_number_component (di);
3046
3047 if (dim == NULL)
3048 return NULL;
3049
3050 if (! d_check_char (di, '_'))
3051 return NULL;
3052
3053 return d_make_comp (di, DEMANGLE_COMPONENT_VECTOR_TYPE, dim,
3054 cplus_demangle_type (di));
3055}
3056
1b4974e7 3057/* <pointer-to-member-type> ::= M <(class) type> <(member) type> */
168d63e5 3058
f95cb811 3059static struct demangle_component *
d94aaf66 3060d_pointer_to_member_type (struct d_info *di)
168d63e5 3061{
f95cb811 3062 struct demangle_component *cl;
3063 struct demangle_component *mem;
168d63e5 3064
b785de4a 3065 if (! d_check_char (di, 'M'))
1b4974e7 3066 return NULL;
168d63e5 3067
f95cb811 3068 cl = cplus_demangle_type (di);
862e5b6d 3069 if (cl == NULL)
a9ff8365 3070 return NULL;
168d63e5 3071
862e5b6d 3072 /* The ABI says, "The type of a non-static member function is considered
3073 to be different, for the purposes of substitution, from the type of a
3074 namespace-scope or static member function whose type appears
3075 similar. The types of two non-static member functions are considered
3076 to be different, for the purposes of substitution, if the functions
3077 are members of different classes. In other words, for the purposes of
3078 substitution, the class of which the function is a member is
3079 considered part of the type of function."
3080
3081 For a pointer to member function, this call to cplus_demangle_type
3082 will end up adding a (possibly qualified) non-member function type to
3083 the substitution table, which is not correct; however, the member
3084 function type will never be used in a substitution, so putting the
3085 wrong type in the substitution table is harmless. */
3086
3087 mem = cplus_demangle_type (di);
3088 if (mem == NULL)
3089 return NULL;
e6c28517 3090
f95cb811 3091 return d_make_comp (di, DEMANGLE_COMPONENT_PTRMEM_TYPE, cl, mem);
168d63e5 3092}
3093
a8b75081 3094/* <non-negative number> _ */
3095
7d235b1b 3096static int
a8b75081 3097d_compact_number (struct d_info *di)
3098{
7d235b1b 3099 int num;
a8b75081 3100 if (d_peek_char (di) == '_')
3101 num = 0;
3102 else if (d_peek_char (di) == 'n')
3103 return -1;
3104 else
3105 num = d_number (di) + 1;
3106
7d235b1b 3107 if (num < 0 || ! d_check_char (di, '_'))
a8b75081 3108 return -1;
3109 return num;
3110}
3111
1b4974e7 3112/* <template-param> ::= T_
3113 ::= T <(parameter-2 non-negative) number> _
3114*/
168d63e5 3115
f95cb811 3116static struct demangle_component *
d94aaf66 3117d_template_param (struct d_info *di)
168d63e5 3118{
7d235b1b 3119 int param;
168d63e5 3120
b785de4a 3121 if (! d_check_char (di, 'T'))
1b4974e7 3122 return NULL;
168d63e5 3123
a8b75081 3124 param = d_compact_number (di);
3125 if (param < 0)
1b4974e7 3126 return NULL;
168d63e5 3127
1b4974e7 3128 return d_make_template_param (di, param);
168d63e5 3129}
3130
1b4974e7 3131/* <template-args> ::= I <template-arg>+ E */
3132
f95cb811 3133static struct demangle_component *
d94aaf66 3134d_template_args (struct d_info *di)
17fdf85c 3135{
3136 if (d_peek_char (di) != 'I'
3137 && d_peek_char (di) != 'J')
3138 return NULL;
3139 d_advance (di, 1);
3140
3141 return d_template_args_1 (di);
3142}
3143
3144/* <template-arg>* E */
3145
3146static struct demangle_component *
3147d_template_args_1 (struct d_info *di)
168d63e5 3148{
f95cb811 3149 struct demangle_component *hold_last_name;
3150 struct demangle_component *al;
3151 struct demangle_component **pal;
168d63e5 3152
1b4974e7 3153 /* Preserve the last name we saw--don't let the template arguments
3154 clobber it, as that would give us the wrong name for a subsequent
3155 constructor or destructor. */
3156 hold_last_name = di->last_name;
168d63e5 3157
4682b6fe 3158 if (d_peek_char (di) == 'E')
3159 {
3160 /* An argument pack can be empty. */
3161 d_advance (di, 1);
3162 return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, NULL, NULL);
3163 }
3164
1b4974e7 3165 al = NULL;
3166 pal = &al;
168d63e5 3167 while (1)
3168 {
f95cb811 3169 struct demangle_component *a;
1b4974e7 3170
3171 a = d_template_arg (di);
3172 if (a == NULL)
3173 return NULL;
3174
f95cb811 3175 *pal = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE_ARGLIST, a, NULL);
c1ea6f0c 3176 if (*pal == NULL)
3177 return NULL;
1b4974e7 3178 pal = &d_right (*pal);
3179
3180 if (d_peek_char (di) == 'E')
140d75d7 3181 {
1b4974e7 3182 d_advance (di, 1);
3183 break;
140d75d7 3184 }
168d63e5 3185 }
3186
1b4974e7 3187 di->last_name = hold_last_name;
3188
3189 return al;
168d63e5 3190}
3191
1b4974e7 3192/* <template-arg> ::= <type>
3193 ::= X <expression> E
3194 ::= <expr-primary>
3195*/
168d63e5 3196
f95cb811 3197static struct demangle_component *
d94aaf66 3198d_template_arg (struct d_info *di)
168d63e5 3199{
f95cb811 3200 struct demangle_component *ret;
140d75d7 3201
1b4974e7 3202 switch (d_peek_char (di))
168d63e5 3203 {
1b4974e7 3204 case 'X':
3205 d_advance (di, 1);
3206 ret = d_expression (di);
b785de4a 3207 if (! d_check_char (di, 'E'))
1b4974e7 3208 return NULL;
3209 return ret;
abcf0552 3210
1b4974e7 3211 case 'L':
3212 return d_expr_primary (di);
168d63e5 3213
4682b6fe 3214 case 'I':
2d847c18 3215 case 'J':
4682b6fe 3216 /* An argument pack. */
3217 return d_template_args (di);
3218
1b4974e7 3219 default:
f95cb811 3220 return cplus_demangle_type (di);
40e00cb0 3221 }
168d63e5 3222}
3223
2d847c18 3224/* Parse a sequence of expressions until we hit the terminator
3225 character. */
a2ad5e1b 3226
3227static struct demangle_component *
2d847c18 3228d_exprlist (struct d_info *di, char terminator)
a2ad5e1b 3229{
3230 struct demangle_component *list = NULL;
3231 struct demangle_component **p = &list;
3232
2d847c18 3233 if (d_peek_char (di) == terminator)
4682b6fe 3234 {
3235 d_advance (di, 1);
3236 return d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, NULL, NULL);
3237 }
3238
a2ad5e1b 3239 while (1)
3240 {
3241 struct demangle_component *arg = d_expression (di);
3242 if (arg == NULL)
3243 return NULL;
3244
3245 *p = d_make_comp (di, DEMANGLE_COMPONENT_ARGLIST, arg, NULL);
3246 if (*p == NULL)
3247 return NULL;
3248 p = &d_right (*p);
3249
2d847c18 3250 if (d_peek_char (di) == terminator)
a2ad5e1b 3251 {
3252 d_advance (di, 1);
3253 break;
3254 }
3255 }
3256
3257 return list;
3258}
3259
6434e009 3260/* Returns nonzero iff OP is an operator for a C++ cast: const_cast,
3261 dynamic_cast, static_cast or reinterpret_cast. */
3262
3263static int
3264op_is_new_cast (struct demangle_component *op)
3265{
3266 const char *code = op->u.s_operator.op->code;
3267 return (code[1] == 'c'
3268 && (code[0] == 's' || code[0] == 'd'
3269 || code[0] == 'c' || code[0] == 'r'));
3270}
3271
1b4974e7 3272/* <expression> ::= <(unary) operator-name> <expression>
3273 ::= <(binary) operator-name> <expression> <expression>
3274 ::= <(trinary) operator-name> <expression> <expression> <expression>
a2ad5e1b 3275 ::= cl <expression>+ E
1b4974e7 3276 ::= st <type>
3277 ::= <template-param>
3278 ::= sr <type> <unqualified-name>
3279 ::= sr <type> <unqualified-name> <template-args>
3280 ::= <expr-primary>
3281*/
3282
f89ffc3b 3283static inline struct demangle_component *
3284d_expression_1 (struct d_info *di)
168d63e5 3285{
1b4974e7 3286 char peek;
168d63e5 3287
1b4974e7 3288 peek = d_peek_char (di);
3289 if (peek == 'L')
3290 return d_expr_primary (di);
3291 else if (peek == 'T')
3292 return d_template_param (di);
3293 else if (peek == 's' && d_peek_next_char (di) == 'r')
168d63e5 3294 {
f95cb811 3295 struct demangle_component *type;
3296 struct demangle_component *name;
168d63e5 3297
1b4974e7 3298 d_advance (di, 2);
f95cb811 3299 type = cplus_demangle_type (di);
1b4974e7 3300 name = d_unqualified_name (di);
3301 if (d_peek_char (di) != 'I')
f95cb811 3302 return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type, name);
1b4974e7 3303 else
f95cb811 3304 return d_make_comp (di, DEMANGLE_COMPONENT_QUAL_NAME, type,
3305 d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
1b4974e7 3306 d_template_args (di)));
74c75ba5 3307 }
8173d80a 3308 else if (peek == 's' && d_peek_next_char (di) == 'p')
3309 {
3310 d_advance (di, 2);
3311 return d_make_comp (di, DEMANGLE_COMPONENT_PACK_EXPANSION,
f89ffc3b 3312 d_expression_1 (di), NULL);
8173d80a 3313 }
e92154af 3314 else if (peek == 'f' && d_peek_next_char (di) == 'p')
a2ad5e1b 3315 {
e92154af 3316 /* Function parameter used in a late-specified return type. */
3317 int index;
a2ad5e1b 3318 d_advance (di, 2);
f220ea72 3319 if (d_peek_char (di) == 'T')
3320 {
3321 /* 'this' parameter. */
3322 d_advance (di, 1);
3323 index = 0;
3324 }
3325 else
3326 {
7d235b1b 3327 index = d_compact_number (di);
3328 if (index == INT_MAX || index == -1)
f220ea72 3329 return NULL;
0ae9d219 3330 index++;
f220ea72 3331 }
e92154af 3332 return d_make_function_param (di, index);
a2ad5e1b 3333 }
c44a7393 3334 else if (IS_DIGIT (peek)
3335 || (peek == 'o' && d_peek_next_char (di) == 'n'))
4682b6fe 3336 {
3337 /* We can get an unqualified name as an expression in the case of
c44a7393 3338 a dependent function call, i.e. decltype(f(t)). */
3339 struct demangle_component *name;
3340
3341 if (peek == 'o')
3342 /* operator-function-id, i.e. operator+(t). */
3343 d_advance (di, 2);
3344
3345 name = d_unqualified_name (di);
4682b6fe 3346 if (name == NULL)
3347 return NULL;
3348 if (d_peek_char (di) == 'I')
3349 return d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE, name,
3350 d_template_args (di));
3351 else
3352 return name;
3353 }
2d847c18 3354 else if ((peek == 'i' || peek == 't')
3355 && d_peek_next_char (di) == 'l')
3356 {
3357 /* Brace-enclosed initializer list, untyped or typed. */
3358 struct demangle_component *type = NULL;
95f798aa 3359 d_advance (di, 2);
2d847c18 3360 if (peek == 't')
3361 type = cplus_demangle_type (di);
9f82fcbc 3362 if (!d_peek_next_char (di))
3363 return NULL;
2d847c18 3364 return d_make_comp (di, DEMANGLE_COMPONENT_INITIALIZER_LIST,
3365 type, d_exprlist (di, 'E'));
3366 }
1b4974e7 3367 else
168d63e5 3368 {
f95cb811 3369 struct demangle_component *op;
2d847c18 3370 const char *code = NULL;
1b4974e7 3371 int args;
168d63e5 3372
1b4974e7 3373 op = d_operator_name (di);
3374 if (op == NULL)
3375 return NULL;
168d63e5 3376
f95cb811 3377 if (op->type == DEMANGLE_COMPONENT_OPERATOR)
2d847c18 3378 {
3379 code = op->u.s_operator.op->code;
3380 di->expansion += op->u.s_operator.op->len - 2;
3381 if (strcmp (code, "st") == 0)
3382 return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op,
3383 cplus_demangle_type (di));
3384 }
168d63e5 3385
1b4974e7 3386 switch (op->type)
3387 {
3388 default:
3389 return NULL;
f95cb811 3390 case DEMANGLE_COMPONENT_OPERATOR:
1b4974e7 3391 args = op->u.s_operator.op->args;
3392 break;
f95cb811 3393 case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
1b4974e7 3394 args = op->u.s_extended_operator.args;
3395 break;
f95cb811 3396 case DEMANGLE_COMPONENT_CAST:
356f9b5d 3397 args = 1;
1b4974e7 3398 break;
3399 }
3400
3401 switch (args)
3402 {
2d847c18 3403 case 0:
3404 return d_make_comp (di, DEMANGLE_COMPONENT_NULLARY, op, NULL);
3405
1b4974e7 3406 case 1:
e92154af 3407 {
3408 struct demangle_component *operand;
2d847c18 3409 int suffix = 0;
3410
3411 if (code && (code[0] == 'p' || code[0] == 'm')
3412 && code[1] == code[0])
3413 /* pp_ and mm_ are the prefix variants. */
3414 suffix = !d_check_char (di, '_');
3415
e92154af 3416 if (op->type == DEMANGLE_COMPONENT_CAST
3417 && d_check_char (di, '_'))
2d847c18 3418 operand = d_exprlist (di, 'E');
17fdf85c 3419 else if (code && !strcmp (code, "sP"))
3420 operand = d_template_args_1 (di);
e92154af 3421 else
f89ffc3b 3422 operand = d_expression_1 (di);
2d847c18 3423
3424 if (suffix)
3425 /* Indicate the suffix variant for d_print_comp. */
3dc558bb 3426 operand = d_make_comp (di, DEMANGLE_COMPONENT_BINARY_ARGS,
3427 operand, operand);
3428
3429 return d_make_comp (di, DEMANGLE_COMPONENT_UNARY, op, operand);
e92154af 3430 }
1b4974e7 3431 case 2:
3432 {
f95cb811 3433 struct demangle_component *left;
a2ad5e1b 3434 struct demangle_component *right;
1b4974e7 3435
9f82fcbc 3436 if (code == NULL)
3437 return NULL;
6434e009 3438 if (op_is_new_cast (op))
3439 left = cplus_demangle_type (di);
5bb83f10 3440 else if (code[0] == 'f')
3441 /* fold-expression. */
3442 left = d_operator_name (di);
6434e009 3443 else
f89ffc3b 3444 left = d_expression_1 (di);
c44a7393 3445 if (!strcmp (code, "cl"))
2d847c18 3446 right = d_exprlist (di, 'E');
c44a7393 3447 else if (!strcmp (code, "dt") || !strcmp (code, "pt"))
3448 {
3449 right = d_unqualified_name (di);
3450 if (d_peek_char (di) == 'I')
3451 right = d_make_comp (di, DEMANGLE_COMPONENT_TEMPLATE,
3452 right, d_template_args (di));
3453 }
a2ad5e1b 3454 else
f89ffc3b 3455 right = d_expression_1 (di);
a2ad5e1b 3456
f95cb811 3457 return d_make_comp (di, DEMANGLE_COMPONENT_BINARY, op,
3458 d_make_comp (di,
3459 DEMANGLE_COMPONENT_BINARY_ARGS,
a2ad5e1b 3460 left, right));
1b4974e7 3461 }
3462 case 3:
3463 {
f95cb811 3464 struct demangle_component *first;
3465 struct demangle_component *second;
2d847c18 3466 struct demangle_component *third;
1b4974e7 3467
9f82fcbc 3468 if (code == NULL)
3469 return NULL;
3470 else if (!strcmp (code, "qu"))
2d847c18 3471 {
3472 /* ?: expression. */
f89ffc3b 3473 first = d_expression_1 (di);
3474 second = d_expression_1 (di);
3475 third = d_expression_1 (di);
3a7ea919 3476 if (third == NULL)
3477 return NULL;
2d847c18 3478 }
5bb83f10 3479 else if (code[0] == 'f')
3480 {
3481 /* fold-expression. */
3482 first = d_operator_name (di);
3483 second = d_expression_1 (di);
3484 third = d_expression_1 (di);
3a7ea919 3485 if (third == NULL)
3486 return NULL;
5bb83f10 3487 }
2d847c18 3488 else if (code[0] == 'n')
3489 {
3490 /* new-expression. */
3491 if (code[1] != 'w' && code[1] != 'a')
3492 return NULL;
3493 first = d_exprlist (di, '_');
3494 second = cplus_demangle_type (di);
3495 if (d_peek_char (di) == 'E')
3496 {
3497 d_advance (di, 1);
3498 third = NULL;
3499 }
3500 else if (d_peek_char (di) == 'p'
3501 && d_peek_next_char (di) == 'i')
3502 {
3503 /* Parenthesized initializer. */
3504 d_advance (di, 2);
3505 third = d_exprlist (di, 'E');
3506 }
3507 else if (d_peek_char (di) == 'i'
3508 && d_peek_next_char (di) == 'l')
3509 /* initializer-list. */
f89ffc3b 3510 third = d_expression_1 (di);
2d847c18 3511 else
3512 return NULL;
3513 }
3514 else
3515 return NULL;
f95cb811 3516 return d_make_comp (di, DEMANGLE_COMPONENT_TRINARY, op,
3517 d_make_comp (di,
3518 DEMANGLE_COMPONENT_TRINARY_ARG1,
3519 first,
1b4974e7 3520 d_make_comp (di,
f95cb811 3521 DEMANGLE_COMPONENT_TRINARY_ARG2,
2d847c18 3522 second, third)));
1b4974e7 3523 }
3524 default:
3525 return NULL;
3526 }
168d63e5 3527 }
3528}
3529
f89ffc3b 3530static struct demangle_component *
3531d_expression (struct d_info *di)
3532{
3533 struct demangle_component *ret;
3534 int was_expression = di->is_expression;
3535
3536 di->is_expression = 1;
3537 ret = d_expression_1 (di);
3538 di->is_expression = was_expression;
3539 return ret;
3540}
3541
1b4974e7 3542/* <expr-primary> ::= L <type> <(value) number> E
3543 ::= L <type> <(value) float> E
3544 ::= L <mangled-name> E
3545*/
2b6805b4 3546
f95cb811 3547static struct demangle_component *
d94aaf66 3548d_expr_primary (struct d_info *di)
2b6805b4 3549{
f95cb811 3550 struct demangle_component *ret;
2b6805b4 3551
b785de4a 3552 if (! d_check_char (di, 'L'))
1b4974e7 3553 return NULL;
e92154af 3554 if (d_peek_char (di) == '_'
3555 /* Workaround for G++ bug; see comment in write_template_arg. */
3556 || d_peek_char (di) == 'Z')
f95cb811 3557 ret = cplus_demangle_mangled_name (di, 0);
1b4974e7 3558 else
2b6805b4 3559 {
f95cb811 3560 struct demangle_component *type;
3561 enum demangle_component_type t;
1b4974e7 3562 const char *s;
3563
f95cb811 3564 type = cplus_demangle_type (di);
a2e044d6 3565 if (type == NULL)
3566 return NULL;
1b4974e7 3567
2c0843db 3568 /* If we have a type we know how to print, we aren't going to
3569 print the type name itself. */
f95cb811 3570 if (type->type == DEMANGLE_COMPONENT_BUILTIN_TYPE
2c0843db 3571 && type->u.s_builtin.type->print != D_PRINT_DEFAULT)
3572 di->expansion -= type->u.s_builtin.type->len;
3573
1b4974e7 3574 /* Rather than try to interpret the literal value, we just
3575 collect it as a string. Note that it's possible to have a
3576 floating point literal here. The ABI specifies that the
3577 format of such literals is machine independent. That's fine,
3578 but what's not fine is that versions of g++ up to 3.2 with
3579 -fabi-version=1 used upper case letters in the hex constant,
3580 and dumped out gcc's internal representation. That makes it
3581 hard to tell where the constant ends, and hard to dump the
3582 constant in any readable form anyhow. We don't attempt to
3583 handle these cases. */
3584
f95cb811 3585 t = DEMANGLE_COMPONENT_LITERAL;
b69d25f7 3586 if (d_peek_char (di) == 'n')
3587 {
f95cb811 3588 t = DEMANGLE_COMPONENT_LITERAL_NEG;
b69d25f7 3589 d_advance (di, 1);
3590 }
1b4974e7 3591 s = d_str (di);
3592 while (d_peek_char (di) != 'E')
d8d90ee3 3593 {
3594 if (d_peek_char (di) == '\0')
3595 return NULL;
3596 d_advance (di, 1);
3597 }
b69d25f7 3598 ret = d_make_comp (di, t, type, d_make_name (di, s, d_str (di) - s));
1b4974e7 3599 }
b785de4a 3600 if (! d_check_char (di, 'E'))
1b4974e7 3601 return NULL;
3602 return ret;
2b6805b4 3603}
3604
1b4974e7 3605/* <local-name> ::= Z <(function) encoding> E <(entity) name> [<discriminator>]
3606 ::= Z <(function) encoding> E s [<discriminator>]
dc78d83a 3607 ::= Z <(function) encoding> E d [<parameter> number>] _ <entity name>
1b4974e7 3608*/
2b6805b4 3609
f95cb811 3610static struct demangle_component *
3dc558bb 3611d_local_name (struct d_info *di)
2b6805b4 3612{
f95cb811 3613 struct demangle_component *function;
2a80a8f0 3614 struct demangle_component *name;
2b6805b4 3615
b785de4a 3616 if (! d_check_char (di, 'Z'))
1b4974e7 3617 return NULL;
2b6805b4 3618
55faa696 3619 function = d_encoding (di, 0);
3dc558bb 3620 if (!function)
3621 return NULL;
2b6805b4 3622
b785de4a 3623 if (! d_check_char (di, 'E'))
1b4974e7 3624 return NULL;
2b6805b4 3625
1b4974e7 3626 if (d_peek_char (di) == 's')
2b6805b4 3627 {
1b4974e7 3628 d_advance (di, 1);
3629 if (! d_discriminator (di))
3630 return NULL;
2a80a8f0 3631 name = d_make_name (di, "string literal", sizeof "string literal" - 1);
2b6805b4 3632 }
1b4974e7 3633 else
2b6805b4 3634 {
a8b75081 3635 int num = -1;
3636
3637 if (d_peek_char (di) == 'd')
3638 {
3639 /* Default argument scope: d <number> _. */
3640 d_advance (di, 1);
3641 num = d_compact_number (di);
3642 if (num < 0)
3643 return NULL;
3644 }
2b6805b4 3645
3dc558bb 3646 name = d_name (di);
4e5e8012 3647
2a80a8f0 3648 if (name
4e5e8012 3649 /* Lambdas and unnamed types have internal discriminators
3650 and are not functions. */
2a80a8f0 3651 && name->type != DEMANGLE_COMPONENT_LAMBDA
4e5e8012 3652 && name->type != DEMANGLE_COMPONENT_UNNAMED_TYPE)
3653 {
4e5e8012 3654 /* Read and ignore an optional discriminator. */
3655 if (! d_discriminator (di))
3656 return NULL;
3657 }
2a80a8f0 3658
a8b75081 3659 if (num >= 0)
3660 name = d_make_default_arg (di, num, name);
2b6805b4 3661 }
2a80a8f0 3662
5f480962 3663 /* Elide the return type of the containing function so as to not
3664 confuse the user thinking it is the return type of whatever local
3665 function we might be containing. */
3666 if (function->type == DEMANGLE_COMPONENT_TYPED_NAME
3667 && d_right (function)->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
3668 d_left (d_right (function)) = NULL;
3669
2a80a8f0 3670 return d_make_comp (di, DEMANGLE_COMPONENT_LOCAL_NAME, function, name);
2b6805b4 3671}
3672
a2929a3a 3673/* <discriminator> ::= _ <number> # when number < 10
3674 ::= __ <number> _ # when number >= 10
3675
3676 <discriminator> ::= _ <number> # when number >=10
3677 is also accepted to support gcc versions that wrongly mangled that way.
168d63e5 3678
1b4974e7 3679 We demangle the discriminator, but we don't print it out. FIXME:
3680 We should print it out in verbose mode. */
2b6805b4 3681
1b4974e7 3682static int
d94aaf66 3683d_discriminator (struct d_info *di)
1b4974e7 3684{
a2929a3a 3685 int discrim, num_underscores = 1;
2b6805b4 3686
1b4974e7 3687 if (d_peek_char (di) != '_')
3688 return 1;
3689 d_advance (di, 1);
a2929a3a 3690 if (d_peek_char (di) == '_')
3691 {
3692 ++num_underscores;
3693 d_advance (di, 1);
3694 }
3695
1b4974e7 3696 discrim = d_number (di);
3697 if (discrim < 0)
3698 return 0;
a2929a3a 3699 if (num_underscores > 1 && discrim >= 10)
3700 {
3701 if (d_peek_char (di) == '_')
3702 d_advance (di, 1);
3703 else
3704 return 0;
3705 }
3706
1b4974e7 3707 return 1;
3708}
168d63e5 3709
a8b75081 3710/* <closure-type-name> ::= Ul <lambda-sig> E [ <nonnegative number> ] _ */
3711
3712static struct demangle_component *
3713d_lambda (struct d_info *di)
3714{
3715 struct demangle_component *tl;
3716 struct demangle_component *ret;
3717 int num;
3718
3719 if (! d_check_char (di, 'U'))
3720 return NULL;
3721 if (! d_check_char (di, 'l'))
3722 return NULL;
3723
3724 tl = d_parmlist (di);
3725 if (tl == NULL)
3726 return NULL;
3727
3728 if (! d_check_char (di, 'E'))
3729 return NULL;
3730
3731 num = d_compact_number (di);
3732 if (num < 0)
3733 return NULL;
3734
3735 ret = d_make_empty (di);
3736 if (ret)
3737 {
3738 ret->type = DEMANGLE_COMPONENT_LAMBDA;
3739 ret->u.s_unary_num.sub = tl;
3740 ret->u.s_unary_num.num = num;
3741 }
3742
3743 if (! d_add_substitution (di, ret))
3744 return NULL;
3745
3746 return ret;
3747}
3748
3749/* <unnamed-type-name> ::= Ut [ <nonnegative number> ] _ */
3750
3751static struct demangle_component *
3752d_unnamed_type (struct d_info *di)
3753{
3754 struct demangle_component *ret;
7d235b1b 3755 int num;
a8b75081 3756
3757 if (! d_check_char (di, 'U'))
3758 return NULL;
3759 if (! d_check_char (di, 't'))
3760 return NULL;
3761
3762 num = d_compact_number (di);
3763 if (num < 0)
3764 return NULL;
3765
3766 ret = d_make_empty (di);
3767 if (ret)
3768 {
3769 ret->type = DEMANGLE_COMPONENT_UNNAMED_TYPE;
3770 ret->u.s_number.number = num;
3771 }
3772
3773 if (! d_add_substitution (di, ret))
3774 return NULL;
3775
3776 return ret;
3777}
3778
0d80d940 3779/* <clone-suffix> ::= [ . <clone-type-identifier> ] [ . <nonnegative number> ]*
3780*/
3781
3782static struct demangle_component *
3783d_clone_suffix (struct d_info *di, struct demangle_component *encoding)
3784{
3785 const char *suffix = d_str (di);
3786 const char *pend = suffix;
3787 struct demangle_component *n;
3788
3789 if (*pend == '.' && (IS_LOWER (pend[1]) || pend[1] == '_'))
3790 {
3791 pend += 2;
3792 while (IS_LOWER (*pend) || *pend == '_')
3793 ++pend;
3794 }
3795 while (*pend == '.' && IS_DIGIT (pend[1]))
3796 {
3797 pend += 2;
3798 while (IS_DIGIT (*pend))
3799 ++pend;
3800 }
3801 d_advance (di, pend - suffix);
3802 n = d_make_name (di, suffix, pend - suffix);
3803 return d_make_comp (di, DEMANGLE_COMPONENT_CLONE, encoding, n);
3804}
3805
1b4974e7 3806/* Add a new substitution. */
168d63e5 3807
1b4974e7 3808static int
d94aaf66 3809d_add_substitution (struct d_info *di, struct demangle_component *dc)
168d63e5 3810{
c1ea6f0c 3811 if (dc == NULL)
3812 return 0;
1b4974e7 3813 if (di->next_sub >= di->num_subs)
3814 return 0;
3815 di->subs[di->next_sub] = dc;
3816 ++di->next_sub;
3817 return 1;
3818}
3819
3820/* <substitution> ::= S <seq-id> _
3821 ::= S_
3822 ::= St
3823 ::= Sa
3824 ::= Sb
3825 ::= Ss
3826 ::= Si
3827 ::= So
3828 ::= Sd
b69d25f7 3829
3830 If PREFIX is non-zero, then this type is being used as a prefix in
3831 a qualified name. In this case, for the standard substitutions, we
3832 need to check whether we are being used as a prefix for a
3833 constructor or destructor, and return a full template name.
3834 Otherwise we will get something like std::iostream::~iostream()
3835 which does not correspond particularly well to any function which
3836 actually appears in the source.
1b4974e7 3837*/
168d63e5 3838
b69d25f7 3839static const struct d_standard_sub_info standard_subs[] =
3840{
2c0843db 3841 { 't', NL ("std"),
3842 NL ("std"),
3843 NULL, 0 },
3844 { 'a', NL ("std::allocator"),
3845 NL ("std::allocator"),
3846 NL ("allocator") },
3847 { 'b', NL ("std::basic_string"),
3848 NL ("std::basic_string"),
3849 NL ("basic_string") },
3850 { 's', NL ("std::string"),
3851 NL ("std::basic_string<char, std::char_traits<char>, std::allocator<char> >"),
3852 NL ("basic_string") },
3853 { 'i', NL ("std::istream"),
3854 NL ("std::basic_istream<char, std::char_traits<char> >"),
3855 NL ("basic_istream") },
3856 { 'o', NL ("std::ostream"),
3857 NL ("std::basic_ostream<char, std::char_traits<char> >"),
3858 NL ("basic_ostream") },
3859 { 'd', NL ("std::iostream"),
3860 NL ("std::basic_iostream<char, std::char_traits<char> >"),
3861 NL ("basic_iostream") }
b69d25f7 3862};
3863
f95cb811 3864static struct demangle_component *
d94aaf66 3865d_substitution (struct d_info *di, int prefix)
1b4974e7 3866{
3867 char c;
168d63e5 3868
b785de4a 3869 if (! d_check_char (di, 'S'))
1b4974e7 3870 return NULL;
6539a5d8 3871
1b4974e7 3872 c = d_next_char (di);
3c87c5c3 3873 if (c == '_' || IS_DIGIT (c) || IS_UPPER (c))
168d63e5 3874 {
a8c4f791 3875 unsigned int id;
168d63e5 3876
1b4974e7 3877 id = 0;
3878 if (c != '_')
168d63e5 3879 {
1b4974e7 3880 do
168d63e5 3881 {
a8c4f791 3882 unsigned int new_id;
3883
1b4974e7 3884 if (IS_DIGIT (c))
a8c4f791 3885 new_id = id * 36 + c - '0';
3c87c5c3 3886 else if (IS_UPPER (c))
a8c4f791 3887 new_id = id * 36 + c - 'A' + 10;
1b4974e7 3888 else
3889 return NULL;
a8c4f791 3890 if (new_id < id)
0b2d8352 3891 return NULL;
a8c4f791 3892 id = new_id;
1b4974e7 3893 c = d_next_char (di);
168d63e5 3894 }
1b4974e7 3895 while (c != '_');
168d63e5 3896
1b4974e7 3897 ++id;
168d63e5 3898 }
168d63e5 3899
a8c4f791 3900 if (id >= (unsigned int) di->next_sub)
1b4974e7 3901 return NULL;
168d63e5 3902
1b4974e7 3903 return di->subs[id];
168d63e5 3904 }
1b4974e7 3905 else
168d63e5 3906 {
b69d25f7 3907 int verbose;
3908 const struct d_standard_sub_info *p;
3909 const struct d_standard_sub_info *pend;
3910
3911 verbose = (di->options & DMGL_VERBOSE) != 0;
3912 if (! verbose && prefix)
3a18c9fc 3913 {
b69d25f7 3914 char peek;
3915
3916 peek = d_peek_char (di);
3917 if (peek == 'C' || peek == 'D')
3918 verbose = 1;
168d63e5 3919 }
b69d25f7 3920
3921 pend = (&standard_subs[0]
3922 + sizeof standard_subs / sizeof standard_subs[0]);
3923 for (p = &standard_subs[0]; p < pend; ++p)
3924 {
3925 if (c == p->code)
3926 {
2c0843db 3927 const char *s;
3928 int len;
6b3f15b8 3929 struct demangle_component *dc;
2c0843db 3930
b69d25f7 3931 if (p->set_last_name != NULL)
2c0843db 3932 di->last_name = d_make_sub (di, p->set_last_name,
3933 p->set_last_name_len);
b69d25f7 3934 if (verbose)
2c0843db 3935 {
3936 s = p->full_expansion;
3937 len = p->full_len;
3938 }
b69d25f7 3939 else
2c0843db 3940 {
3941 s = p->simple_expansion;
3942 len = p->simple_len;
3943 }
3944 di->expansion += len;
6b3f15b8 3945 dc = d_make_sub (di, s, len);
7cd4e87d 3946 if (d_peek_char (di) == 'B')
3947 {
3948 /* If there are ABI tags on the abbreviation, it becomes
3949 a substitution candidate. */
6b3f15b8 3950 dc = d_abi_tags (di, dc);
bd7ba887 3951 if (! d_add_substitution (di, dc))
3952 return NULL;
7cd4e87d 3953 }
6b3f15b8 3954 return dc;
b69d25f7 3955 }
3956 }
3957
3958 return NULL;
168d63e5 3959 }
168d63e5 3960}
3961
f89ffc3b 3962static void
3963d_checkpoint (struct d_info *di, struct d_info_checkpoint *checkpoint)
3964{
3965 checkpoint->n = di->n;
3966 checkpoint->next_comp = di->next_comp;
3967 checkpoint->next_sub = di->next_sub;
f89ffc3b 3968 checkpoint->expansion = di->expansion;
3969}
3970
3971static void
3972d_backtrack (struct d_info *di, struct d_info_checkpoint *checkpoint)
3973{
3974 di->n = checkpoint->n;
3975 di->next_comp = checkpoint->next_comp;
3976 di->next_sub = checkpoint->next_sub;
f89ffc3b 3977 di->expansion = checkpoint->expansion;
3978}
3979
611fc3d0 3980/* Initialize a growable string. */
168d63e5 3981
1b4974e7 3982static void
611fc3d0 3983d_growable_string_init (struct d_growable_string *dgs, size_t estimate)
1b4974e7 3984{
611fc3d0 3985 dgs->buf = NULL;
3986 dgs->len = 0;
3987 dgs->alc = 0;
3988 dgs->allocation_failure = 0;
168d63e5 3989
611fc3d0 3990 if (estimate > 0)
3991 d_growable_string_resize (dgs, estimate);
3992}
3993
3994/* Grow a growable string to a given size. */
3995
3996static inline void
3997d_growable_string_resize (struct d_growable_string *dgs, size_t need)
3998{
3999 size_t newalc;
4000 char *newbuf;
4001
4002 if (dgs->allocation_failure)
c1ea6f0c 4003 return;
f99edf23 4004
611fc3d0 4005 /* Start allocation at two bytes to avoid any possibility of confusion
4006 with the special value of 1 used as a return in *palc to indicate
4007 allocation failures. */
4008 newalc = dgs->alc > 0 ? dgs->alc : 2;
4009 while (newalc < need)
4010 newalc <<= 1;
4011
4012 newbuf = (char *) realloc (dgs->buf, newalc);
4013 if (newbuf == NULL)
4014 {
4015 free (dgs->buf);
4016 dgs->buf = NULL;
4017 dgs->len = 0;
4018 dgs->alc = 0;
4019 dgs->allocation_failure = 1;
4020 return;
40e00cb0 4021 }
611fc3d0 4022 dgs->buf = newbuf;
4023 dgs->alc = newalc;
1b4974e7 4024}
6b45c28d 4025
611fc3d0 4026/* Append a buffer to a growable string. */
6b45c28d 4027
611fc3d0 4028static inline void
4029d_growable_string_append_buffer (struct d_growable_string *dgs,
4030 const char *s, size_t l)
1b4974e7 4031{
611fc3d0 4032 size_t need;
6b45c28d 4033
611fc3d0 4034 need = dgs->len + l + 1;
4035 if (need > dgs->alc)
4036 d_growable_string_resize (dgs, need);
4037
4038 if (dgs->allocation_failure)
4039 return;
4040
4041 memcpy (dgs->buf + dgs->len, s, l);
4042 dgs->buf[dgs->len + l] = '\0';
4043 dgs->len += l;
168d63e5 4044}
4045
611fc3d0 4046/* Bridge growable strings to the callback mechanism. */
1b4974e7 4047
4048static void
611fc3d0 4049d_growable_string_callback_adapter (const char *s, size_t l, void *opaque)
168d63e5 4050{
611fc3d0 4051 struct d_growable_string *dgs = (struct d_growable_string*) opaque;
168d63e5 4052
611fc3d0 4053 d_growable_string_append_buffer (dgs, s, l);
168d63e5 4054}
4055
b26b8335 4056/* Walk the tree, counting the number of templates encountered, and
4057 the number of times a scope might be saved. These counts will be
4058 used to allocate data structures for d_print_comp, so the logic
4059 here must mirror the logic d_print_comp will use. It is not
4060 important that the resulting numbers are exact, so long as they
4061 are larger than the actual numbers encountered. */
4062
4063static void
ccd47432 4064d_count_templates_scopes (struct d_print_info *dpi,
b26b8335 4065 const struct demangle_component *dc)
4066{
4067 if (dc == NULL)
4068 return;
4069
4070 switch (dc->type)
4071 {
4072 case DEMANGLE_COMPONENT_NAME:
4073 case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
4074 case DEMANGLE_COMPONENT_FUNCTION_PARAM:
4075 case DEMANGLE_COMPONENT_SUB_STD:
4076 case DEMANGLE_COMPONENT_BUILTIN_TYPE:
4077 case DEMANGLE_COMPONENT_OPERATOR:
4078 case DEMANGLE_COMPONENT_CHARACTER:
4079 case DEMANGLE_COMPONENT_NUMBER:
4080 case DEMANGLE_COMPONENT_UNNAMED_TYPE:
4081 break;
4082
4083 case DEMANGLE_COMPONENT_TEMPLATE:
ccd47432 4084 dpi->num_copy_templates++;
b26b8335 4085 goto recurse_left_right;
4086
4087 case DEMANGLE_COMPONENT_REFERENCE:
4088 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
4089 if (d_left (dc)->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM)
ccd47432 4090 dpi->num_saved_scopes++;
b26b8335 4091 goto recurse_left_right;
4092
4093 case DEMANGLE_COMPONENT_QUAL_NAME:
4094 case DEMANGLE_COMPONENT_LOCAL_NAME:
4095 case DEMANGLE_COMPONENT_TYPED_NAME:
4096 case DEMANGLE_COMPONENT_VTABLE:
4097 case DEMANGLE_COMPONENT_VTT:
4098 case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
4099 case DEMANGLE_COMPONENT_TYPEINFO:
4100 case DEMANGLE_COMPONENT_TYPEINFO_NAME:
4101 case DEMANGLE_COMPONENT_TYPEINFO_FN:
4102 case DEMANGLE_COMPONENT_THUNK:
4103 case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
4104 case DEMANGLE_COMPONENT_COVARIANT_THUNK:
4105 case DEMANGLE_COMPONENT_JAVA_CLASS:
4106 case DEMANGLE_COMPONENT_GUARD:
4107 case DEMANGLE_COMPONENT_TLS_INIT:
4108 case DEMANGLE_COMPONENT_TLS_WRAPPER:
4109 case DEMANGLE_COMPONENT_REFTEMP:
4110 case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
4111 case DEMANGLE_COMPONENT_RESTRICT:
4112 case DEMANGLE_COMPONENT_VOLATILE:
4113 case DEMANGLE_COMPONENT_CONST:
4114 case DEMANGLE_COMPONENT_RESTRICT_THIS:
4115 case DEMANGLE_COMPONENT_VOLATILE_THIS:
4116 case DEMANGLE_COMPONENT_CONST_THIS:
4117 case DEMANGLE_COMPONENT_REFERENCE_THIS:
4118 case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
6d02e6b2 4119 case DEMANGLE_COMPONENT_TRANSACTION_SAFE:
2e9e9363 4120 case DEMANGLE_COMPONENT_NOEXCEPT:
4121 case DEMANGLE_COMPONENT_THROW_SPEC:
b26b8335 4122 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
4123 case DEMANGLE_COMPONENT_POINTER:
4124 case DEMANGLE_COMPONENT_COMPLEX:
4125 case DEMANGLE_COMPONENT_IMAGINARY:
4126 case DEMANGLE_COMPONENT_VENDOR_TYPE:
4127 case DEMANGLE_COMPONENT_FUNCTION_TYPE:
4128 case DEMANGLE_COMPONENT_ARRAY_TYPE:
4129 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
b26b8335 4130 case DEMANGLE_COMPONENT_VECTOR_TYPE:
4131 case DEMANGLE_COMPONENT_ARGLIST:
4132 case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
95f798aa 4133 case DEMANGLE_COMPONENT_TPARM_OBJ:
b26b8335 4134 case DEMANGLE_COMPONENT_INITIALIZER_LIST:
4135 case DEMANGLE_COMPONENT_CAST:
88845c03 4136 case DEMANGLE_COMPONENT_CONVERSION:
b26b8335 4137 case DEMANGLE_COMPONENT_NULLARY:
4138 case DEMANGLE_COMPONENT_UNARY:
4139 case DEMANGLE_COMPONENT_BINARY:
4140 case DEMANGLE_COMPONENT_BINARY_ARGS:
4141 case DEMANGLE_COMPONENT_TRINARY:
4142 case DEMANGLE_COMPONENT_TRINARY_ARG1:
4143 case DEMANGLE_COMPONENT_TRINARY_ARG2:
4144 case DEMANGLE_COMPONENT_LITERAL:
4145 case DEMANGLE_COMPONENT_LITERAL_NEG:
4146 case DEMANGLE_COMPONENT_JAVA_RESOURCE:
4147 case DEMANGLE_COMPONENT_COMPOUND_NAME:
4148 case DEMANGLE_COMPONENT_DECLTYPE:
4149 case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
4150 case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
4151 case DEMANGLE_COMPONENT_PACK_EXPANSION:
4152 case DEMANGLE_COMPONENT_TAGGED_NAME:
4153 case DEMANGLE_COMPONENT_CLONE:
4154 recurse_left_right:
ccd47432 4155 /* PR 89394 - Check for too much recursion. */
4156 if (dpi->recursion > DEMANGLE_RECURSION_LIMIT)
4157 /* FIXME: There ought to be a way to report to the
4158 user that the recursion limit has been reached. */
4159 return;
4160
4161 ++ dpi->recursion;
4162 d_count_templates_scopes (dpi, d_left (dc));
4163 d_count_templates_scopes (dpi, d_right (dc));
4164 -- dpi->recursion;
b26b8335 4165 break;
4166
4167 case DEMANGLE_COMPONENT_CTOR:
ccd47432 4168 d_count_templates_scopes (dpi, dc->u.s_ctor.name);
b26b8335 4169 break;
4170
4171 case DEMANGLE_COMPONENT_DTOR:
ccd47432 4172 d_count_templates_scopes (dpi, dc->u.s_dtor.name);
b26b8335 4173 break;
4174
4175 case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
ccd47432 4176 d_count_templates_scopes (dpi, dc->u.s_extended_operator.name);
b26b8335 4177 break;
4178
d240d5fd 4179 case DEMANGLE_COMPONENT_FIXED_TYPE:
ccd47432 4180 d_count_templates_scopes (dpi, dc->u.s_fixed.length);
d240d5fd 4181 break;
4182
b26b8335 4183 case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
4184 case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
ccd47432 4185 d_count_templates_scopes (dpi, d_left (dc));
b26b8335 4186 break;
4187
4188 case DEMANGLE_COMPONENT_LAMBDA:
4189 case DEMANGLE_COMPONENT_DEFAULT_ARG:
ccd47432 4190 d_count_templates_scopes (dpi, dc->u.s_unary_num.sub);
b26b8335 4191 break;
4192 }
4193}
4194
611fc3d0 4195/* Initialize a print information structure. */
168d63e5 4196
1b4974e7 4197static void
ce673d9a 4198d_print_init (struct d_print_info *dpi, demangle_callbackref callback,
b26b8335 4199 void *opaque, const struct demangle_component *dc)
611fc3d0 4200{
611fc3d0 4201 dpi->len = 0;
4202 dpi->last_char = '\0';
4203 dpi->templates = NULL;
4204 dpi->modifiers = NULL;
84be2b4d 4205 dpi->pack_index = 0;
f2ba0f87 4206 dpi->flush_count = 0;
611fc3d0 4207
4208 dpi->callback = callback;
4209 dpi->opaque = opaque;
4210
4211 dpi->demangle_failure = 0;
b4cd77b1 4212 dpi->recursion = 0;
b35d5d07 4213 dpi->is_lambda_arg = 0;
a5ec7a66 4214
bb6c1235 4215 dpi->component_stack = NULL;
4216
a5ec7a66 4217 dpi->saved_scopes = NULL;
b26b8335 4218 dpi->next_saved_scope = 0;
a5ec7a66 4219 dpi->num_saved_scopes = 0;
a5ec7a66 4220
b26b8335 4221 dpi->copy_templates = NULL;
4222 dpi->next_copy_template = 0;
4223 dpi->num_copy_templates = 0;
a5ec7a66 4224
ccd47432 4225 d_count_templates_scopes (dpi, dc);
4226 /* If we did not reach the recursion limit, then reset the
4227 current recursion value back to 0, so that we can print
4228 the templates. */
4229 if (dpi->recursion < DEMANGLE_RECURSION_LIMIT)
4230 dpi->recursion = 0;
b26b8335 4231 dpi->num_copy_templates *= dpi->num_saved_scopes;
a5ec7a66 4232
b26b8335 4233 dpi->current_template = NULL;
611fc3d0 4234}
4235
4236/* Indicate that an error occurred during printing, and test for error. */
4237
4238static inline void
d94aaf66 4239d_print_error (struct d_print_info *dpi)
1c1033dd 4240{
611fc3d0 4241 dpi->demangle_failure = 1;
4242}
4243
4244static inline int
4245d_print_saw_error (struct d_print_info *dpi)
4246{
4247 return dpi->demangle_failure != 0;
4248}
4249
4250/* Flush buffered characters to the callback. */
4251
4252static inline void
4253d_print_flush (struct d_print_info *dpi)
4254{
4255 dpi->buf[dpi->len] = '\0';
4256 dpi->callback (dpi->buf, dpi->len, dpi->opaque);
4257 dpi->len = 0;
f2ba0f87 4258 dpi->flush_count++;
611fc3d0 4259}
4260
4261/* Append characters and buffers for printing. */
4262
4263static inline void
4264d_append_char (struct d_print_info *dpi, char c)
4265{
4266 if (dpi->len == sizeof (dpi->buf) - 1)
4267 d_print_flush (dpi);
4268
4269 dpi->buf[dpi->len++] = c;
4270 dpi->last_char = c;
4271}
4272
4273static inline void
4274d_append_buffer (struct d_print_info *dpi, const char *s, size_t l)
4275{
4276 size_t i;
4277
4278 for (i = 0; i < l; i++)
4279 d_append_char (dpi, s[i]);
4280}
4281
4282static inline void
4283d_append_string (struct d_print_info *dpi, const char *s)
4284{
4285 d_append_buffer (dpi, s, strlen (s));
4286}
4287
a8b75081 4288static inline void
7d235b1b 4289d_append_num (struct d_print_info *dpi, int l)
a8b75081 4290{
4291 char buf[25];
7d235b1b 4292 sprintf (buf,"%d", l);
a8b75081 4293 d_append_string (dpi, buf);
4294}
4295
611fc3d0 4296static inline char
4297d_last_char (struct d_print_info *dpi)
4298{
4299 return dpi->last_char;
4300}
4301
4302/* Turn components into a human readable string. OPTIONS is the
4303 options bits passed to the demangler. DC is the tree to print.
4304 CALLBACK is a function to call to flush demangled string segments
4305 as they fill the intermediate buffer, and OPAQUE is a generalized
4306 callback argument. On success, this returns 1. On failure,
4307 it returns 0, indicating a bad parse. It does not use heap
4308 memory to build an output string, so cannot encounter memory
4309 allocation failure. */
4310
4311CP_STATIC_IF_GLIBCPP_V3
4312int
4313cplus_demangle_print_callback (int options,
a664c62c 4314 struct demangle_component *dc,
611fc3d0 4315 demangle_callbackref callback, void *opaque)
4316{
4317 struct d_print_info dpi;
4318
b26b8335 4319 d_print_init (&dpi, callback, opaque, dc);
611fc3d0 4320
b26b8335 4321 {
4322#ifdef CP_DYNAMIC_ARRAYS
16c4a63b 4323 /* Avoid zero-length VLAs, which are prohibited by the C99 standard
4324 and flagged as errors by Address Sanitizer. */
4325 __extension__ struct d_saved_scope scopes[(dpi.num_saved_scopes > 0)
4326 ? dpi.num_saved_scopes : 1];
4327 __extension__ struct d_print_template temps[(dpi.num_copy_templates > 0)
4328 ? dpi.num_copy_templates : 1];
b26b8335 4329
4330 dpi.saved_scopes = scopes;
4331 dpi.copy_templates = temps;
4332#else
4333 dpi.saved_scopes = alloca (dpi.num_saved_scopes
4334 * sizeof (*dpi.saved_scopes));
4335 dpi.copy_templates = alloca (dpi.num_copy_templates
4336 * sizeof (*dpi.copy_templates));
4337#endif
4338
4339 d_print_comp (&dpi, options, dc);
4340 }
611fc3d0 4341
4342 d_print_flush (&dpi);
4343
b26b8335 4344 return ! d_print_saw_error (&dpi);
1b4974e7 4345}
1c1033dd 4346
2c0843db 4347/* Turn components into a human readable string. OPTIONS is the
4348 options bits passed to the demangler. DC is the tree to print.
4349 ESTIMATE is a guess at the length of the result. This returns a
4350 string allocated by malloc, or NULL on error. On success, this
4351 sets *PALC to the size of the allocated buffer. On failure, this
4352 sets *PALC to 0 for a bad parse, or to 1 for a memory allocation
4353 failure. */
168d63e5 4354
f95cb811 4355CP_STATIC_IF_GLIBCPP_V3
4356char *
a664c62c 4357cplus_demangle_print (int options, struct demangle_component *dc,
d94aaf66 4358 int estimate, size_t *palc)
1b4974e7 4359{
611fc3d0 4360 struct d_growable_string dgs;
168d63e5 4361
611fc3d0 4362 d_growable_string_init (&dgs, estimate);
168d63e5 4363
611fc3d0 4364 if (! cplus_demangle_print_callback (options, dc,
4365 d_growable_string_callback_adapter,
4366 &dgs))
168d63e5 4367 {
611fc3d0 4368 free (dgs.buf);
4369 *palc = 0;
1b4974e7 4370 return NULL;
168d63e5 4371 }
168d63e5 4372
611fc3d0 4373 *palc = dgs.allocation_failure ? 1 : dgs.alc;
4374 return dgs.buf;
168d63e5 4375}
4376
4682b6fe 4377/* Returns the I'th element of the template arglist ARGS, or NULL on
5bb83f10 4378 failure. If I is negative, return the entire arglist. */
4682b6fe 4379
4380static struct demangle_component *
4381d_index_template_argument (struct demangle_component *args, int i)
4382{
4383 struct demangle_component *a;
4384
5bb83f10 4385 if (i < 0)
4386 /* Print the whole argument pack. */
4387 return args;
4388
4682b6fe 4389 for (a = args;
4390 a != NULL;
4391 a = d_right (a))
4392 {
4393 if (a->type != DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
4394 return NULL;
4395 if (i <= 0)
4396 break;
4397 --i;
4398 }
4399 if (i != 0 || a == NULL)
4400 return NULL;
4401
4402 return d_left (a);
4403}
4404
4405/* Returns the template argument from the current context indicated by DC,
4406 which is a DEMANGLE_COMPONENT_TEMPLATE_PARAM, or NULL. */
4407
4408static struct demangle_component *
4409d_lookup_template_argument (struct d_print_info *dpi,
4410 const struct demangle_component *dc)
4411{
4412 if (dpi->templates == NULL)
4413 {
4414 d_print_error (dpi);
4415 return NULL;
4416 }
4417
4418 return d_index_template_argument
4419 (d_right (dpi->templates->template_decl),
4420 dc->u.s_number.number);
4421}
4422
4423/* Returns a template argument pack used in DC (any will do), or NULL. */
4424
4425static struct demangle_component *
4426d_find_pack (struct d_print_info *dpi,
4427 const struct demangle_component *dc)
4428{
4429 struct demangle_component *a;
4430 if (dc == NULL)
4431 return NULL;
4432
4433 switch (dc->type)
4434 {
4435 case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
4436 a = d_lookup_template_argument (dpi, dc);
4437 if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
4438 return a;
4439 return NULL;
4440
4441 case DEMANGLE_COMPONENT_PACK_EXPANSION:
4442 return NULL;
4443
3058a4ce 4444 case DEMANGLE_COMPONENT_LAMBDA:
4682b6fe 4445 case DEMANGLE_COMPONENT_NAME:
d4701f6c 4446 case DEMANGLE_COMPONENT_TAGGED_NAME:
4682b6fe 4447 case DEMANGLE_COMPONENT_OPERATOR:
4448 case DEMANGLE_COMPONENT_BUILTIN_TYPE:
4449 case DEMANGLE_COMPONENT_SUB_STD:
4450 case DEMANGLE_COMPONENT_CHARACTER:
8173d80a 4451 case DEMANGLE_COMPONENT_FUNCTION_PARAM:
6fc68d02 4452 case DEMANGLE_COMPONENT_UNNAMED_TYPE:
9f82fcbc 4453 case DEMANGLE_COMPONENT_FIXED_TYPE:
4454 case DEMANGLE_COMPONENT_DEFAULT_ARG:
4455 case DEMANGLE_COMPONENT_NUMBER:
4682b6fe 4456 return NULL;
4457
4458 case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
4459 return d_find_pack (dpi, dc->u.s_extended_operator.name);
4460 case DEMANGLE_COMPONENT_CTOR:
4461 return d_find_pack (dpi, dc->u.s_ctor.name);
4462 case DEMANGLE_COMPONENT_DTOR:
4463 return d_find_pack (dpi, dc->u.s_dtor.name);
4464
4465 default:
4466 a = d_find_pack (dpi, d_left (dc));
4467 if (a)
4468 return a;
4469 return d_find_pack (dpi, d_right (dc));
4470 }
4471}
4472
4473/* Returns the length of the template argument pack DC. */
4474
4475static int
4476d_pack_length (const struct demangle_component *dc)
4477{
4478 int count = 0;
4479 while (dc && dc->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST
4480 && d_left (dc) != NULL)
4481 {
4482 ++count;
4483 dc = d_right (dc);
4484 }
4485 return count;
4486}
4487
17fdf85c 4488/* Returns the number of template args in DC, expanding any pack expansions
4489 found there. */
4490
4491static int
4492d_args_length (struct d_print_info *dpi, const struct demangle_component *dc)
4493{
4494 int count = 0;
4495 for (; dc && dc->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST;
4496 dc = d_right (dc))
4497 {
4498 struct demangle_component *elt = d_left (dc);
4499 if (elt == NULL)
4500 break;
4501 if (elt->type == DEMANGLE_COMPONENT_PACK_EXPANSION)
4502 {
4503 struct demangle_component *a = d_find_pack (dpi, d_left (elt));
4504 count += d_pack_length (a);
4505 }
4506 else
4507 ++count;
4508 }
4509 return count;
4510}
4511
4682b6fe 4512/* DC is a component of a mangled expression. Print it, wrapped in parens
4513 if needed. */
4514
4515static void
ce673d9a 4516d_print_subexpr (struct d_print_info *dpi, int options,
a664c62c 4517 struct demangle_component *dc)
4682b6fe 4518{
4519 int simple = 0;
8173d80a 4520 if (dc->type == DEMANGLE_COMPONENT_NAME
2d847c18 4521 || dc->type == DEMANGLE_COMPONENT_QUAL_NAME
4522 || dc->type == DEMANGLE_COMPONENT_INITIALIZER_LIST
8173d80a 4523 || dc->type == DEMANGLE_COMPONENT_FUNCTION_PARAM)
4682b6fe 4524 simple = 1;
4525 if (!simple)
4526 d_append_char (dpi, '(');
ce673d9a 4527 d_print_comp (dpi, options, dc);
4682b6fe 4528 if (!simple)
4529 d_append_char (dpi, ')');
4530}
4531
b26b8335 4532/* Save the current scope. */
a5ec7a66 4533
b26b8335 4534static void
4535d_save_scope (struct d_print_info *dpi,
4536 const struct demangle_component *container)
a5ec7a66 4537{
b26b8335 4538 struct d_saved_scope *scope;
4539 struct d_print_template *src, **link;
4540
4541 if (dpi->next_saved_scope >= dpi->num_saved_scopes)
4542 {
4543 d_print_error (dpi);
4544 return;
4545 }
4546 scope = &dpi->saved_scopes[dpi->next_saved_scope];
4547 dpi->next_saved_scope++;
4548
4549 scope->container = container;
4550 link = &scope->templates;
a5ec7a66 4551
4552 for (src = dpi->templates; src != NULL; src = src->next)
4553 {
b26b8335 4554 struct d_print_template *dst;
a5ec7a66 4555
b26b8335 4556 if (dpi->next_copy_template >= dpi->num_copy_templates)
a5ec7a66 4557 {
4558 d_print_error (dpi);
b26b8335 4559 return;
a5ec7a66 4560 }
b26b8335 4561 dst = &dpi->copy_templates[dpi->next_copy_template];
4562 dpi->next_copy_template++;
a5ec7a66 4563
4564 dst->template_decl = src->template_decl;
4565 *link = dst;
4566 link = &dst->next;
4567 }
4568
4569 *link = NULL;
b26b8335 4570}
4571
4572/* Attempt to locate a previously saved scope. Returns NULL if no
4573 corresponding saved scope was found. */
4574
4575static struct d_saved_scope *
4576d_get_saved_scope (struct d_print_info *dpi,
4577 const struct demangle_component *container)
4578{
4579 int i;
4580
4581 for (i = 0; i < dpi->next_saved_scope; i++)
4582 if (dpi->saved_scopes[i].container == container)
4583 return &dpi->saved_scopes[i];
a5ec7a66 4584
b26b8335 4585 return NULL;
a5ec7a66 4586}
4587
5bb83f10 4588/* If DC is a C++17 fold-expression, print it and return true; otherwise
4589 return false. */
4590
4591static int
4592d_maybe_print_fold_expression (struct d_print_info *dpi, int options,
a664c62c 4593 struct demangle_component *dc)
5bb83f10 4594{
a664c62c 4595 struct demangle_component *ops, *operator_, *op1, *op2;
5bb83f10 4596 int save_idx;
4597
4598 const char *fold_code = d_left (dc)->u.s_operator.op->code;
4599 if (fold_code[0] != 'f')
4600 return 0;
4601
4602 ops = d_right (dc);
4603 operator_ = d_left (ops);
4604 op1 = d_right (ops);
4605 op2 = 0;
4606 if (op1->type == DEMANGLE_COMPONENT_TRINARY_ARG2)
4607 {
4608 op2 = d_right (op1);
4609 op1 = d_left (op1);
4610 }
4611
4612 /* Print the whole pack. */
4613 save_idx = dpi->pack_index;
4614 dpi->pack_index = -1;
4615
4616 switch (fold_code[1])
4617 {
4618 /* Unary left fold, (... + X). */
4619 case 'l':
4620 d_append_string (dpi, "(...");
4621 d_print_expr_op (dpi, options, operator_);
4622 d_print_subexpr (dpi, options, op1);
4623 d_append_char (dpi, ')');
4624 break;
4625
4626 /* Unary right fold, (X + ...). */
4627 case 'r':
4628 d_append_char (dpi, '(');
4629 d_print_subexpr (dpi, options, op1);
4630 d_print_expr_op (dpi, options, operator_);
4631 d_append_string (dpi, "...)");
4632 break;
4633
4634 /* Binary left fold, (42 + ... + X). */
4635 case 'L':
4636 /* Binary right fold, (X + ... + 42). */
4637 case 'R':
4638 d_append_char (dpi, '(');
4639 d_print_subexpr (dpi, options, op1);
4640 d_print_expr_op (dpi, options, operator_);
4641 d_append_string (dpi, "...");
4642 d_print_expr_op (dpi, options, operator_);
4643 d_print_subexpr (dpi, options, op2);
4644 d_append_char (dpi, ')');
4645 break;
4646 }
4647
4648 dpi->pack_index = save_idx;
4649 return 1;
4650}
4651
1b4974e7 4652/* Subroutine to handle components. */
168d63e5 4653
1b4974e7 4654static void
bb6c1235 4655d_print_comp_inner (struct d_print_info *dpi, int options,
a664c62c 4656 struct demangle_component *dc)
168d63e5 4657{
bad78770 4658 /* Magic variable to let reference smashing skip over the next modifier
4659 without needing to modify *dc. */
a664c62c 4660 struct demangle_component *mod_inner = NULL;
bad78770 4661
a5ec7a66 4662 /* Variable used to store the current templates while a previously
4663 captured scope is used. */
4664 struct d_print_template *saved_templates;
4665
4666 /* Nonzero if templates have been stored in the above variable. */
4667 int need_template_restore = 0;
4668
1b4974e7 4669 if (dc == NULL)
168d63e5 4670 {
1b4974e7 4671 d_print_error (dpi);
4672 return;
168d63e5 4673 }
1b4974e7 4674 if (d_print_saw_error (dpi))
4675 return;
168d63e5 4676
1b4974e7 4677 switch (dc->type)
168d63e5 4678 {
f95cb811 4679 case DEMANGLE_COMPONENT_NAME:
ce673d9a 4680 if ((options & DMGL_JAVA) == 0)
2c0843db 4681 d_append_buffer (dpi, dc->u.s_name.s, dc->u.s_name.len);
4682 else
4683 d_print_java_identifier (dpi, dc->u.s_name.s, dc->u.s_name.len);
1b4974e7 4684 return;
168d63e5 4685
d4701f6c 4686 case DEMANGLE_COMPONENT_TAGGED_NAME:
4687 d_print_comp (dpi, options, d_left (dc));
4688 d_append_string (dpi, "[abi:");
4689 d_print_comp (dpi, options, d_right (dc));
4690 d_append_char (dpi, ']');
4691 return;
4692
f95cb811 4693 case DEMANGLE_COMPONENT_QUAL_NAME:
4694 case DEMANGLE_COMPONENT_LOCAL_NAME:
ce673d9a 4695 d_print_comp (dpi, options, d_left (dc));
4696 if ((options & DMGL_JAVA) == 0)
611fc3d0 4697 d_append_string (dpi, "::");
2c0843db 4698 else
4699 d_append_char (dpi, '.');
dc78d83a 4700 {
4701 struct demangle_component *local_name = d_right (dc);
4702 if (local_name->type == DEMANGLE_COMPONENT_DEFAULT_ARG)
4703 {
4704 d_append_string (dpi, "{default arg#");
4705 d_append_num (dpi, local_name->u.s_unary_num.num + 1);
4706 d_append_string (dpi, "}::");
4707 local_name = local_name->u.s_unary_num.sub;
4708 }
4709 d_print_comp (dpi, options, local_name);
4710 }
1b4974e7 4711 return;
168d63e5 4712
f95cb811 4713 case DEMANGLE_COMPONENT_TYPED_NAME:
1b4974e7 4714 {
3c87c5c3 4715 struct d_print_mod *hold_modifiers;
f95cb811 4716 struct demangle_component *typed_name;
3c87c5c3 4717 struct d_print_mod adpm[4];
4718 unsigned int i;
1b4974e7 4719 struct d_print_template dpt;
4720
4721 /* Pass the name down to the type so that it can be printed in
3c87c5c3 4722 the right place for the type. We also have to pass down
4723 any CV-qualifiers, which apply to the this parameter. */
4724 hold_modifiers = dpi->modifiers;
e92154af 4725 dpi->modifiers = 0;
3c87c5c3 4726 i = 0;
1b4974e7 4727 typed_name = d_left (dc);
3c87c5c3 4728 while (typed_name != NULL)
4729 {
4730 if (i >= sizeof adpm / sizeof adpm[0])
4731 {
4732 d_print_error (dpi);
4733 return;
4734 }
1b4974e7 4735
3c87c5c3 4736 adpm[i].next = dpi->modifiers;
4737 dpi->modifiers = &adpm[i];
4738 adpm[i].mod = typed_name;
4739 adpm[i].printed = 0;
4740 adpm[i].templates = dpi->templates;
4741 ++i;
4742
2e9e9363 4743 if (!is_fnqual_component_type (typed_name->type))
3c87c5c3 4744 break;
4745
4746 typed_name = d_left (typed_name);
4747 }
1b4974e7 4748
9ec61790 4749 if (typed_name == NULL)
4750 {
4751 d_print_error (dpi);
4752 return;
4753 }
4754
f95cb811 4755 /* If typed_name is a DEMANGLE_COMPONENT_LOCAL_NAME, then
4756 there may be CV-qualifiers on its right argument which
3dc558bb 4757 really apply here; this happens when parsing a class that
f95cb811 4758 is local to a function. */
4759 if (typed_name->type == DEMANGLE_COMPONENT_LOCAL_NAME)
77097adf 4760 {
3dc558bb 4761 typed_name = d_right (typed_name);
4762 if (typed_name->type == DEMANGLE_COMPONENT_DEFAULT_ARG)
4763 typed_name = typed_name->u.s_unary_num.sub;
4764 if (typed_name == NULL)
9f82fcbc 4765 {
4766 d_print_error (dpi);
4767 return;
4768 }
3dc558bb 4769 while (is_fnqual_component_type (typed_name->type))
77097adf 4770 {
4771 if (i >= sizeof adpm / sizeof adpm[0])
4772 {
4773 d_print_error (dpi);
4774 return;
4775 }
4776
4777 adpm[i] = adpm[i - 1];
4778 adpm[i].next = &adpm[i - 1];
4779 dpi->modifiers = &adpm[i];
4780
3dc558bb 4781 adpm[i - 1].mod = typed_name;
77097adf 4782 adpm[i - 1].printed = 0;
4783 adpm[i - 1].templates = dpi->templates;
4784 ++i;
4785
3dc558bb 4786 typed_name = d_left (typed_name);
77097adf 4787 }
4788 }
4789
3dc558bb 4790 /* If typed_name is a template, then it applies to the
4791 function type as well. */
4792 if (typed_name->type == DEMANGLE_COMPONENT_TEMPLATE)
4793 {
4794 dpt.next = dpi->templates;
4795 dpi->templates = &dpt;
4796 dpt.template_decl = typed_name;
4797 }
4798
ce673d9a 4799 d_print_comp (dpi, options, d_right (dc));
cf70278e 4800
f95cb811 4801 if (typed_name->type == DEMANGLE_COMPONENT_TEMPLATE)
1b4974e7 4802 dpi->templates = dpt.next;
168d63e5 4803
3c87c5c3 4804 /* If the modifiers didn't get printed by the type, print them
1b4974e7 4805 now. */
3c87c5c3 4806 while (i > 0)
1b4974e7 4807 {
3c87c5c3 4808 --i;
4809 if (! adpm[i].printed)
4810 {
4811 d_append_char (dpi, ' ');
ce673d9a 4812 d_print_mod (dpi, options, adpm[i].mod);
3c87c5c3 4813 }
1b4974e7 4814 }
168d63e5 4815
3c87c5c3 4816 dpi->modifiers = hold_modifiers;
168d63e5 4817
1b4974e7 4818 return;
4819 }
168d63e5 4820
f95cb811 4821 case DEMANGLE_COMPONENT_TEMPLATE:
c1ea6f0c 4822 {
4823 struct d_print_mod *hold_dpm;
611fc3d0 4824 struct demangle_component *dcl;
f89ffc3b 4825 const struct demangle_component *hold_current;
4826
4827 /* This template may need to be referenced by a cast operator
4828 contained in its subtree. */
4829 hold_current = dpi->current_template;
4830 dpi->current_template = dc;
c1ea6f0c 4831
4832 /* Don't push modifiers into a template definition. Doing so
4833 could give the wrong definition for a template argument.
4834 Instead, treat the template essentially as a name. */
4835
4836 hold_dpm = dpi->modifiers;
4837 dpi->modifiers = NULL;
4838
611fc3d0 4839 dcl = d_left (dc);
4840
ce673d9a 4841 if ((options & DMGL_JAVA) != 0
611fc3d0 4842 && dcl->type == DEMANGLE_COMPONENT_NAME
4843 && dcl->u.s_name.len == 6
4844 && strncmp (dcl->u.s_name.s, "JArray", 6) == 0)
4845 {
4846 /* Special-case Java arrays, so that JArray<TYPE> appears
4847 instead as TYPE[]. */
4848
ce673d9a 4849 d_print_comp (dpi, options, d_right (dc));
611fc3d0 4850 d_append_string (dpi, "[]");
4851 }
4852 else
4853 {
ce673d9a 4854 d_print_comp (dpi, options, dcl);
611fc3d0 4855 if (d_last_char (dpi) == '<')
4856 d_append_char (dpi, ' ');
4857 d_append_char (dpi, '<');
ce673d9a 4858 d_print_comp (dpi, options, d_right (dc));
611fc3d0 4859 /* Avoid generating two consecutive '>' characters, to avoid
4860 the C++ syntactic ambiguity. */
4861 if (d_last_char (dpi) == '>')
4862 d_append_char (dpi, ' ');
4863 d_append_char (dpi, '>');
4864 }
c1ea6f0c 4865
4866 dpi->modifiers = hold_dpm;
f89ffc3b 4867 dpi->current_template = hold_current;
c1ea6f0c 4868
4869 return;
4870 }
1b4974e7 4871
f95cb811 4872 case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
b35d5d07 4873 if (dpi->is_lambda_arg)
4874 {
4875 /* Show the template parm index, as that's how g++ displays
4876 these, and future proofs us against potential
4877 '[]<typename T> (T *a, T *b) {...}'. */
4878 d_append_buffer (dpi, "auto:", 5);
4879 d_append_num (dpi, dc->u.s_number.number + 1);
4880 }
4881 else
4882 {
4883 struct d_print_template *hold_dpt;
4884 struct demangle_component *a = d_lookup_template_argument (dpi, dc);
4682b6fe 4885
b35d5d07 4886 if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
4887 a = d_index_template_argument (a, dpi->pack_index);
f99edf23 4888
b35d5d07 4889 if (a == NULL)
4890 {
4891 d_print_error (dpi);
4892 return;
4893 }
f99edf23 4894
b35d5d07 4895 /* While processing this parameter, we need to pop the list
4896 of templates. This is because the template parameter may
4897 itself be a reference to a parameter of an outer
4898 template. */
168d63e5 4899
b35d5d07 4900 hold_dpt = dpi->templates;
4901 dpi->templates = hold_dpt->next;
140d75d7 4902
b35d5d07 4903 d_print_comp (dpi, options, a);
f99edf23 4904
b35d5d07 4905 dpi->templates = hold_dpt;
4906 }
4907 return;
168d63e5 4908
95f798aa 4909 case DEMANGLE_COMPONENT_TPARM_OBJ:
4910 d_append_string (dpi, "template parameter object for ");
4911 d_print_comp (dpi, options, d_left (dc));
4912 return;
4913
f95cb811 4914 case DEMANGLE_COMPONENT_CTOR:
ce673d9a 4915 d_print_comp (dpi, options, dc->u.s_ctor.name);
1b4974e7 4916 return;
4917
f95cb811 4918 case DEMANGLE_COMPONENT_DTOR:
1b4974e7 4919 d_append_char (dpi, '~');
ce673d9a 4920 d_print_comp (dpi, options, dc->u.s_dtor.name);
1b4974e7 4921 return;
4922
f95cb811 4923 case DEMANGLE_COMPONENT_VTABLE:
611fc3d0 4924 d_append_string (dpi, "vtable for ");
ce673d9a 4925 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4926 return;
4927
f95cb811 4928 case DEMANGLE_COMPONENT_VTT:
611fc3d0 4929 d_append_string (dpi, "VTT for ");
ce673d9a 4930 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4931 return;
4932
f95cb811 4933 case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
611fc3d0 4934 d_append_string (dpi, "construction vtable for ");
ce673d9a 4935 d_print_comp (dpi, options, d_left (dc));
611fc3d0 4936 d_append_string (dpi, "-in-");
ce673d9a 4937 d_print_comp (dpi, options, d_right (dc));
1b4974e7 4938 return;
4939
f95cb811 4940 case DEMANGLE_COMPONENT_TYPEINFO:
611fc3d0 4941 d_append_string (dpi, "typeinfo for ");
ce673d9a 4942 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4943 return;
4944
f95cb811 4945 case DEMANGLE_COMPONENT_TYPEINFO_NAME:
611fc3d0 4946 d_append_string (dpi, "typeinfo name for ");
ce673d9a 4947 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4948 return;
4949
f95cb811 4950 case DEMANGLE_COMPONENT_TYPEINFO_FN:
611fc3d0 4951 d_append_string (dpi, "typeinfo fn for ");
ce673d9a 4952 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4953 return;
4954
f95cb811 4955 case DEMANGLE_COMPONENT_THUNK:
611fc3d0 4956 d_append_string (dpi, "non-virtual thunk to ");
ce673d9a 4957 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4958 return;
4959
f95cb811 4960 case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
611fc3d0 4961 d_append_string (dpi, "virtual thunk to ");
ce673d9a 4962 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4963 return;
4964
f95cb811 4965 case DEMANGLE_COMPONENT_COVARIANT_THUNK:
611fc3d0 4966 d_append_string (dpi, "covariant return thunk to ");
ce673d9a 4967 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4968 return;
4969
f95cb811 4970 case DEMANGLE_COMPONENT_JAVA_CLASS:
611fc3d0 4971 d_append_string (dpi, "java Class for ");
ce673d9a 4972 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4973 return;
4974
f95cb811 4975 case DEMANGLE_COMPONENT_GUARD:
611fc3d0 4976 d_append_string (dpi, "guard variable for ");
ce673d9a 4977 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4978 return;
4979
462819c8 4980 case DEMANGLE_COMPONENT_TLS_INIT:
4981 d_append_string (dpi, "TLS init function for ");
4982 d_print_comp (dpi, options, d_left (dc));
4983 return;
4984
4985 case DEMANGLE_COMPONENT_TLS_WRAPPER:
4986 d_append_string (dpi, "TLS wrapper function for ");
4987 d_print_comp (dpi, options, d_left (dc));
4988 return;
4989
f95cb811 4990 case DEMANGLE_COMPONENT_REFTEMP:
c7b89256 4991 d_append_string (dpi, "reference temporary #");
4992 d_print_comp (dpi, options, d_right (dc));
4993 d_append_string (dpi, " for ");
ce673d9a 4994 d_print_comp (dpi, options, d_left (dc));
1b4974e7 4995 return;
4996
e63e3841 4997 case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
611fc3d0 4998 d_append_string (dpi, "hidden alias for ");
ce673d9a 4999 d_print_comp (dpi, options, d_left (dc));
e63e3841 5000 return;
5001
4c0315d0 5002 case DEMANGLE_COMPONENT_TRANSACTION_CLONE:
5003 d_append_string (dpi, "transaction clone for ");
5004 d_print_comp (dpi, options, d_left (dc));
5005 return;
5006
5007 case DEMANGLE_COMPONENT_NONTRANSACTION_CLONE:
5008 d_append_string (dpi, "non-transaction clone for ");
5009 d_print_comp (dpi, options, d_left (dc));
5010 return;
5011
f95cb811 5012 case DEMANGLE_COMPONENT_SUB_STD:
2c0843db 5013 d_append_buffer (dpi, dc->u.s_string.string, dc->u.s_string.len);
1b4974e7 5014 return;
5015
f95cb811 5016 case DEMANGLE_COMPONENT_RESTRICT:
5017 case DEMANGLE_COMPONENT_VOLATILE:
5018 case DEMANGLE_COMPONENT_CONST:
6ff4434d 5019 {
5020 struct d_print_mod *pdpm;
5021
5022 /* When printing arrays, it's possible to have cases where the
5023 same CV-qualifier gets pushed on the stack multiple times.
5024 We only need to print it once. */
5025
5026 for (pdpm = dpi->modifiers; pdpm != NULL; pdpm = pdpm->next)
5027 {
5028 if (! pdpm->printed)
5029 {
5030 if (pdpm->mod->type != DEMANGLE_COMPONENT_RESTRICT
5031 && pdpm->mod->type != DEMANGLE_COMPONENT_VOLATILE
5032 && pdpm->mod->type != DEMANGLE_COMPONENT_CONST)
5033 break;
5034 if (pdpm->mod->type == dc->type)
5035 {
ce673d9a 5036 d_print_comp (dpi, options, d_left (dc));
6ff4434d 5037 return;
5038 }
5039 }
5040 }
5041 }
bad78770 5042 goto modifier;
5043
5044 case DEMANGLE_COMPONENT_REFERENCE:
5045 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
5046 {
5047 /* Handle reference smashing: & + && = &. */
a664c62c 5048 struct demangle_component *sub = d_left (dc);
b35d5d07 5049 if (!dpi->is_lambda_arg
5050 && sub->type == DEMANGLE_COMPONENT_TEMPLATE_PARAM)
bad78770 5051 {
b26b8335 5052 struct d_saved_scope *scope = d_get_saved_scope (dpi, sub);
a5ec7a66 5053 struct demangle_component *a;
a5ec7a66 5054
5055 if (scope == NULL)
5056 {
5057 /* This is the first time SUB has been traversed.
5058 We need to capture the current templates so
5059 they can be restored if SUB is reentered as a
5060 substitution. */
b26b8335 5061 d_save_scope (dpi, sub);
a5ec7a66 5062 if (d_print_saw_error (dpi))
5063 return;
5064 }
5065 else
5066 {
bb6c1235 5067 const struct d_component_stack *dcse;
5068 int found_self_or_parent = 0;
5069
a5ec7a66 5070 /* This traversal is reentering SUB as a substition.
bb6c1235 5071 If we are not beneath SUB or DC in the tree then we
5072 need to restore SUB's template stack temporarily. */
5073 for (dcse = dpi->component_stack; dcse != NULL;
5074 dcse = dcse->parent)
5075 {
5076 if (dcse->dc == sub
5077 || (dcse->dc == dc
5078 && dcse != dpi->component_stack))
5079 {
5080 found_self_or_parent = 1;
5081 break;
5082 }
5083 }
5084
5085 if (!found_self_or_parent)
5086 {
5087 saved_templates = dpi->templates;
5088 dpi->templates = scope->templates;
5089 need_template_restore = 1;
5090 }
a5ec7a66 5091 }
5092
5093 a = d_lookup_template_argument (dpi, sub);
bad78770 5094 if (a && a->type == DEMANGLE_COMPONENT_TEMPLATE_ARGLIST)
5095 a = d_index_template_argument (a, dpi->pack_index);
84be2b4d 5096
5097 if (a == NULL)
5098 {
a5ec7a66 5099 if (need_template_restore)
5100 dpi->templates = saved_templates;
5101
84be2b4d 5102 d_print_error (dpi);
5103 return;
5104 }
5105
bad78770 5106 sub = a;
5107 }
5108
5109 if (sub->type == DEMANGLE_COMPONENT_REFERENCE
5110 || sub->type == dc->type)
5111 dc = sub;
5112 else if (sub->type == DEMANGLE_COMPONENT_RVALUE_REFERENCE)
5113 mod_inner = d_left (sub);
5114 }
6ff4434d 5115 /* Fall through. */
bad78770 5116
f95cb811 5117 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
5118 case DEMANGLE_COMPONENT_POINTER:
f95cb811 5119 case DEMANGLE_COMPONENT_COMPLEX:
5120 case DEMANGLE_COMPONENT_IMAGINARY:
2e9e9363 5121 FNQUAL_COMPONENT_CASE:
bad78770 5122 modifier:
1b4974e7 5123 {
5124 /* We keep a list of modifiers on the stack. */
5125 struct d_print_mod dpm;
168d63e5 5126
1b4974e7 5127 dpm.next = dpi->modifiers;
5128 dpi->modifiers = &dpm;
5129 dpm.mod = dc;
5130 dpm.printed = 0;
c1ea6f0c 5131 dpm.templates = dpi->templates;
168d63e5 5132
bad78770 5133 if (!mod_inner)
5134 mod_inner = d_left (dc);
5135
5136 d_print_comp (dpi, options, mod_inner);
f99edf23 5137
1b4974e7 5138 /* If the modifier didn't get printed by the type, print it
5139 now. */
5140 if (! dpm.printed)
ce673d9a 5141 d_print_mod (dpi, options, dc);
168d63e5 5142
1b4974e7 5143 dpi->modifiers = dpm.next;
168d63e5 5144
a5ec7a66 5145 if (need_template_restore)
5146 dpi->templates = saved_templates;
5147
1b4974e7 5148 return;
5149 }
168d63e5 5150
f95cb811 5151 case DEMANGLE_COMPONENT_BUILTIN_TYPE:
ce673d9a 5152 if ((options & DMGL_JAVA) == 0)
2c0843db 5153 d_append_buffer (dpi, dc->u.s_builtin.type->name,
5154 dc->u.s_builtin.type->len);
1b4974e7 5155 else
2c0843db 5156 d_append_buffer (dpi, dc->u.s_builtin.type->java_name,
5157 dc->u.s_builtin.type->java_len);
1b4974e7 5158 return;
168d63e5 5159
f95cb811 5160 case DEMANGLE_COMPONENT_VENDOR_TYPE:
ce673d9a 5161 d_print_comp (dpi, options, d_left (dc));
1b4974e7 5162 return;
168d63e5 5163
f95cb811 5164 case DEMANGLE_COMPONENT_FUNCTION_TYPE:
1b4974e7 5165 {
ce673d9a 5166 if ((options & DMGL_RET_POSTFIX) != 0)
932501f9 5167 d_print_function_type (dpi,
5168 options & ~(DMGL_RET_POSTFIX | DMGL_RET_DROP),
5169 dc, dpi->modifiers);
4c8420c9 5170
5171 /* Print return type if present */
be03abe8 5172 if (d_left (dc) != NULL && (options & DMGL_RET_POSTFIX) != 0)
5173 d_print_comp (dpi, options & ~(DMGL_RET_POSTFIX | DMGL_RET_DROP),
5174 d_left (dc));
5175 else if (d_left (dc) != NULL && (options & DMGL_RET_DROP) == 0)
1b4974e7 5176 {
5177 struct d_print_mod dpm;
168d63e5 5178
1b4974e7 5179 /* We must pass this type down as a modifier in order to
5180 print it in the right location. */
1b4974e7 5181 dpm.next = dpi->modifiers;
5182 dpi->modifiers = &dpm;
5183 dpm.mod = dc;
5184 dpm.printed = 0;
c1ea6f0c 5185 dpm.templates = dpi->templates;
168d63e5 5186
932501f9 5187 d_print_comp (dpi, options & ~(DMGL_RET_POSTFIX | DMGL_RET_DROP),
5188 d_left (dc));
168d63e5 5189
1b4974e7 5190 dpi->modifiers = dpm.next;
168d63e5 5191
1b4974e7 5192 if (dpm.printed)
5193 return;
168d63e5 5194
4c8420c9 5195 /* In standard prefix notation, there is a space between the
5196 return type and the function signature. */
ce673d9a 5197 if ((options & DMGL_RET_POSTFIX) == 0)
4c8420c9 5198 d_append_char (dpi, ' ');
1b4974e7 5199 }
168d63e5 5200
ce673d9a 5201 if ((options & DMGL_RET_POSTFIX) == 0)
932501f9 5202 d_print_function_type (dpi,
5203 options & ~(DMGL_RET_POSTFIX | DMGL_RET_DROP),
5204 dc, dpi->modifiers);
140d75d7 5205
1b4974e7 5206 return;
5207 }
168d63e5 5208
f95cb811 5209 case DEMANGLE_COMPONENT_ARRAY_TYPE:
1b4974e7 5210 {
6ff4434d 5211 struct d_print_mod *hold_modifiers;
5212 struct d_print_mod adpm[4];
5213 unsigned int i;
5214 struct d_print_mod *pdpm;
168d63e5 5215
1b4974e7 5216 /* We must pass this type down as a modifier in order to print
6ff4434d 5217 multi-dimensional arrays correctly. If the array itself is
5218 CV-qualified, we act as though the element type were
5219 CV-qualified. We do this by copying the modifiers down
5220 rather than fiddling pointers, so that we don't wind up
5221 with a d_print_mod higher on the stack pointing into our
5222 stack frame after we return. */
140d75d7 5223
6ff4434d 5224 hold_modifiers = dpi->modifiers;
5225
5226 adpm[0].next = hold_modifiers;
5227 dpi->modifiers = &adpm[0];
5228 adpm[0].mod = dc;
5229 adpm[0].printed = 0;
5230 adpm[0].templates = dpi->templates;
5231
5232 i = 1;
5233 pdpm = hold_modifiers;
5234 while (pdpm != NULL
5235 && (pdpm->mod->type == DEMANGLE_COMPONENT_RESTRICT
5236 || pdpm->mod->type == DEMANGLE_COMPONENT_VOLATILE
5237 || pdpm->mod->type == DEMANGLE_COMPONENT_CONST))
5238 {
5239 if (! pdpm->printed)
5240 {
5241 if (i >= sizeof adpm / sizeof adpm[0])
5242 {
5243 d_print_error (dpi);
5244 return;
5245 }
5246
5247 adpm[i] = *pdpm;
5248 adpm[i].next = dpi->modifiers;
5249 dpi->modifiers = &adpm[i];
5250 pdpm->printed = 1;
5251 ++i;
5252 }
5253
5254 pdpm = pdpm->next;
5255 }
168d63e5 5256
ce673d9a 5257 d_print_comp (dpi, options, d_right (dc));
168d63e5 5258
6ff4434d 5259 dpi->modifiers = hold_modifiers;
168d63e5 5260
6ff4434d 5261 if (adpm[0].printed)
1b4974e7 5262 return;
168d63e5 5263
6ff4434d 5264 while (i > 1)
5265 {
5266 --i;
ce673d9a 5267 d_print_mod (dpi, options, adpm[i].mod);
6ff4434d 5268 }
5269
ce673d9a 5270 d_print_array_type (dpi, options, dc, dpi->modifiers);
168d63e5 5271
1b4974e7 5272 return;
5273 }
168d63e5 5274
f95cb811 5275 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
29e2e80a 5276 case DEMANGLE_COMPONENT_VECTOR_TYPE:
1b4974e7 5277 {
1b4974e7 5278 struct d_print_mod dpm;
5279
1b4974e7 5280 dpm.next = dpi->modifiers;
5281 dpi->modifiers = &dpm;
5282 dpm.mod = dc;
5283 dpm.printed = 0;
c1ea6f0c 5284 dpm.templates = dpi->templates;
1b4974e7 5285
ce673d9a 5286 d_print_comp (dpi, options, d_right (dc));
1b4974e7 5287
5288 /* If the modifier didn't get printed by the type, print it
5289 now. */
5290 if (! dpm.printed)
ce673d9a 5291 d_print_mod (dpi, options, dc);
168d63e5 5292
1b4974e7 5293 dpi->modifiers = dpm.next;
168d63e5 5294
1b4974e7 5295 return;
5296 }
168d63e5 5297
e4583147 5298 case DEMANGLE_COMPONENT_FIXED_TYPE:
5299 if (dc->u.s_fixed.sat)
5300 d_append_string (dpi, "_Sat ");
5301 /* Don't print "int _Accum". */
5302 if (dc->u.s_fixed.length->u.s_builtin.type
5303 != &cplus_demangle_builtin_types['i'-'a'])
5304 {
ce673d9a 5305 d_print_comp (dpi, options, dc->u.s_fixed.length);
e4583147 5306 d_append_char (dpi, ' ');
5307 }
5308 if (dc->u.s_fixed.accum)
5309 d_append_string (dpi, "_Accum");
5310 else
5311 d_append_string (dpi, "_Fract");
5312 return;
5313
f95cb811 5314 case DEMANGLE_COMPONENT_ARGLIST:
5315 case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
4682b6fe 5316 if (d_left (dc) != NULL)
ce673d9a 5317 d_print_comp (dpi, options, d_left (dc));
1b4974e7 5318 if (d_right (dc) != NULL)
5319 {
3986b463 5320 size_t len;
f2ba0f87 5321 unsigned long int flush_count;
5322 /* Make sure ", " isn't flushed by d_append_string, otherwise
5323 dpi->len -= 2 wouldn't work. */
5324 if (dpi->len >= sizeof (dpi->buf) - 2)
5325 d_print_flush (dpi);
611fc3d0 5326 d_append_string (dpi, ", ");
3986b463 5327 len = dpi->len;
f2ba0f87 5328 flush_count = dpi->flush_count;
ce673d9a 5329 d_print_comp (dpi, options, d_right (dc));
3986b463 5330 /* If that didn't print anything (which can happen with empty
5331 template argument packs), remove the comma and space. */
f2ba0f87 5332 if (dpi->flush_count == flush_count && dpi->len == len)
3986b463 5333 dpi->len -= 2;
1b4974e7 5334 }
5335 return;
168d63e5 5336
2d847c18 5337 case DEMANGLE_COMPONENT_INITIALIZER_LIST:
5338 {
5339 struct demangle_component *type = d_left (dc);
5340 struct demangle_component *list = d_right (dc);
5341
5342 if (type)
5343 d_print_comp (dpi, options, type);
5344 d_append_char (dpi, '{');
5345 d_print_comp (dpi, options, list);
5346 d_append_char (dpi, '}');
5347 }
5348 return;
5349
f95cb811 5350 case DEMANGLE_COMPONENT_OPERATOR:
1b4974e7 5351 {
4ef84ecb 5352 const struct demangle_operator_info *op = dc->u.s_operator.op;
5353 int len = op->len;
1b4974e7 5354
611fc3d0 5355 d_append_string (dpi, "operator");
4ef84ecb 5356 /* Add a space before new/delete. */
5357 if (IS_LOWER (op->name[0]))
1b4974e7 5358 d_append_char (dpi, ' ');
4ef84ecb 5359 /* Omit a trailing space. */
5360 if (op->name[len-1] == ' ')
5361 --len;
5362 d_append_buffer (dpi, op->name, len);
1b4974e7 5363 return;
5364 }
168d63e5 5365
f95cb811 5366 case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
611fc3d0 5367 d_append_string (dpi, "operator ");
ce673d9a 5368 d_print_comp (dpi, options, dc->u.s_extended_operator.name);
1b4974e7 5369 return;
168d63e5 5370
88845c03 5371 case DEMANGLE_COMPONENT_CONVERSION:
611fc3d0 5372 d_append_string (dpi, "operator ");
88845c03 5373 d_print_conversion (dpi, options, dc);
1b4974e7 5374 return;
168d63e5 5375
2d847c18 5376 case DEMANGLE_COMPONENT_NULLARY:
5377 d_print_expr_op (dpi, options, d_left (dc));
5378 return;
5379
f95cb811 5380 case DEMANGLE_COMPONENT_UNARY:
2d847c18 5381 {
5382 struct demangle_component *op = d_left (dc);
5383 struct demangle_component *operand = d_right (dc);
5384 const char *code = NULL;
c87f3e50 5385
2d847c18 5386 if (op->type == DEMANGLE_COMPONENT_OPERATOR)
5387 {
5388 code = op->u.s_operator.op->code;
5389 if (!strcmp (code, "ad"))
5390 {
5391 /* Don't print the argument list for the address of a
5392 function. */
5393 if (operand->type == DEMANGLE_COMPONENT_TYPED_NAME
5394 && d_left (operand)->type == DEMANGLE_COMPONENT_QUAL_NAME
5395 && d_right (operand)->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
5396 operand = d_left (operand);
5397 }
5398 if (operand->type == DEMANGLE_COMPONENT_BINARY_ARGS)
5399 {
5400 /* This indicates a suffix operator. */
5401 operand = d_left (operand);
5402 d_print_subexpr (dpi, options, operand);
5403 d_print_expr_op (dpi, options, op);
5404 return;
5405 }
5406 }
c87f3e50 5407
17fdf85c 5408 /* For sizeof..., just print the pack length. */
5409 if (code && !strcmp (code, "sZ"))
5410 {
5411 struct demangle_component *a = d_find_pack (dpi, operand);
5412 int len = d_pack_length (a);
5413 d_append_num (dpi, len);
5414 return;
5415 }
5416 else if (code && !strcmp (code, "sP"))
5417 {
5418 int len = d_args_length (dpi, operand);
5419 d_append_num (dpi, len);
5420 return;
5421 }
5422
2d847c18 5423 if (op->type != DEMANGLE_COMPONENT_CAST)
5424 d_print_expr_op (dpi, options, op);
5425 else
5426 {
5427 d_append_char (dpi, '(');
5428 d_print_cast (dpi, options, op);
5429 d_append_char (dpi, ')');
5430 }
5431 if (code && !strcmp (code, "gs"))
5432 /* Avoid parens after '::'. */
5433 d_print_comp (dpi, options, operand);
5434 else if (code && !strcmp (code, "st"))
5435 /* Always print parens for sizeof (type). */
5436 {
5437 d_append_char (dpi, '(');
5438 d_print_comp (dpi, options, operand);
5439 d_append_char (dpi, ')');
5440 }
5441 else
5442 d_print_subexpr (dpi, options, operand);
5443 }
1b4974e7 5444 return;
5445
f95cb811 5446 case DEMANGLE_COMPONENT_BINARY:
5447 if (d_right (dc)->type != DEMANGLE_COMPONENT_BINARY_ARGS)
168d63e5 5448 {
1b4974e7 5449 d_print_error (dpi);
5450 return;
168d63e5 5451 }
3c87c5c3 5452
6434e009 5453 if (op_is_new_cast (d_left (dc)))
5454 {
5455 d_print_expr_op (dpi, options, d_left (dc));
5456 d_append_char (dpi, '<');
5457 d_print_comp (dpi, options, d_left (d_right (dc)));
5458 d_append_string (dpi, ">(");
5459 d_print_comp (dpi, options, d_right (d_right (dc)));
5460 d_append_char (dpi, ')');
5461 return;
5462 }
5463
5bb83f10 5464 if (d_maybe_print_fold_expression (dpi, options, dc))
5465 return;
5466
3c87c5c3 5467 /* We wrap an expression which uses the greater-than operator in
5468 an extra layer of parens so that it does not get confused
5469 with the '>' which ends the template parameters. */
f95cb811 5470 if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
2c0843db 5471 && d_left (dc)->u.s_operator.op->len == 1
5472 && d_left (dc)->u.s_operator.op->name[0] == '>')
3c87c5c3 5473 d_append_char (dpi, '(');
5474
c87f3e50 5475 if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") == 0
5476 && d_left (d_right (dc))->type == DEMANGLE_COMPONENT_TYPED_NAME)
5477 {
5478 /* Function call used in an expression should not have printed types
5479 of the function arguments. Values of the function arguments still
5480 get printed below. */
5481
5482 const struct demangle_component *func = d_left (d_right (dc));
5483
5484 if (d_right (func)->type != DEMANGLE_COMPONENT_FUNCTION_TYPE)
5485 d_print_error (dpi);
5486 d_print_subexpr (dpi, options, d_left (func));
5487 }
5488 else
5489 d_print_subexpr (dpi, options, d_left (d_right (dc)));
e9b1be72 5490 if (strcmp (d_left (dc)->u.s_operator.op->code, "ix") == 0)
5491 {
5492 d_append_char (dpi, '[');
ce673d9a 5493 d_print_comp (dpi, options, d_right (d_right (dc)));
e9b1be72 5494 d_append_char (dpi, ']');
5495 }
5496 else
5497 {
5498 if (strcmp (d_left (dc)->u.s_operator.op->code, "cl") != 0)
ce673d9a 5499 d_print_expr_op (dpi, options, d_left (dc));
5500 d_print_subexpr (dpi, options, d_right (d_right (dc)));
e9b1be72 5501 }
3c87c5c3 5502
f95cb811 5503 if (d_left (dc)->type == DEMANGLE_COMPONENT_OPERATOR
2c0843db 5504 && d_left (dc)->u.s_operator.op->len == 1
5505 && d_left (dc)->u.s_operator.op->name[0] == '>')
3c87c5c3 5506 d_append_char (dpi, ')');
5507
1b4974e7 5508 return;
5509
f95cb811 5510 case DEMANGLE_COMPONENT_BINARY_ARGS:
5511 /* We should only see this as part of DEMANGLE_COMPONENT_BINARY. */
1b4974e7 5512 d_print_error (dpi);
5513 return;
5514
f95cb811 5515 case DEMANGLE_COMPONENT_TRINARY:
5516 if (d_right (dc)->type != DEMANGLE_COMPONENT_TRINARY_ARG1
5517 || d_right (d_right (dc))->type != DEMANGLE_COMPONENT_TRINARY_ARG2)
1b4974e7 5518 {
5519 d_print_error (dpi);
5520 return;
5521 }
5bb83f10 5522 if (d_maybe_print_fold_expression (dpi, options, dc))
5523 return;
2d847c18 5524 {
5525 struct demangle_component *op = d_left (dc);
5526 struct demangle_component *first = d_left (d_right (dc));
5527 struct demangle_component *second = d_left (d_right (d_right (dc)));
5528 struct demangle_component *third = d_right (d_right (d_right (dc)));
5529
5530 if (!strcmp (op->u.s_operator.op->code, "qu"))
5531 {
5532 d_print_subexpr (dpi, options, first);
5533 d_print_expr_op (dpi, options, op);
5534 d_print_subexpr (dpi, options, second);
5535 d_append_string (dpi, " : ");
5536 d_print_subexpr (dpi, options, third);
5537 }
5538 else
5539 {
5540 d_append_string (dpi, "new ");
5541 if (d_left (first) != NULL)
5542 {
5543 d_print_subexpr (dpi, options, first);
5544 d_append_char (dpi, ' ');
5545 }
5546 d_print_comp (dpi, options, second);
5547 if (third)
5548 d_print_subexpr (dpi, options, third);
5549 }
5550 }
1b4974e7 5551 return;
5552
f95cb811 5553 case DEMANGLE_COMPONENT_TRINARY_ARG1:
5554 case DEMANGLE_COMPONENT_TRINARY_ARG2:
5555 /* We should only see these are part of DEMANGLE_COMPONENT_TRINARY. */
1b4974e7 5556 d_print_error (dpi);
5557 return;
5558
f95cb811 5559 case DEMANGLE_COMPONENT_LITERAL:
5560 case DEMANGLE_COMPONENT_LITERAL_NEG:
a86aec34 5561 {
5562 enum d_builtin_type_print tp;
1b4974e7 5563
a86aec34 5564 /* For some builtin types, produce simpler output. */
5565 tp = D_PRINT_DEFAULT;
5566 if (d_left (dc)->type == DEMANGLE_COMPONENT_BUILTIN_TYPE)
5567 {
5568 tp = d_left (dc)->u.s_builtin.type->print;
5569 switch (tp)
5570 {
5571 case D_PRINT_INT:
5572 case D_PRINT_UNSIGNED:
5573 case D_PRINT_LONG:
5574 case D_PRINT_UNSIGNED_LONG:
5575 case D_PRINT_LONG_LONG:
5576 case D_PRINT_UNSIGNED_LONG_LONG:
5577 if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME)
5578 {
5579 if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
5580 d_append_char (dpi, '-');
ce673d9a 5581 d_print_comp (dpi, options, d_right (dc));
a86aec34 5582 switch (tp)
5583 {
5584 default:
5585 break;
5586 case D_PRINT_UNSIGNED:
5587 d_append_char (dpi, 'u');
5588 break;
5589 case D_PRINT_LONG:
5590 d_append_char (dpi, 'l');
5591 break;
5592 case D_PRINT_UNSIGNED_LONG:
611fc3d0 5593 d_append_string (dpi, "ul");
a86aec34 5594 break;
5595 case D_PRINT_LONG_LONG:
611fc3d0 5596 d_append_string (dpi, "ll");
a86aec34 5597 break;
5598 case D_PRINT_UNSIGNED_LONG_LONG:
611fc3d0 5599 d_append_string (dpi, "ull");
a86aec34 5600 break;
5601 }
5602 return;
5603 }
5604 break;
168d63e5 5605
a86aec34 5606 case D_PRINT_BOOL:
5607 if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME
5608 && d_right (dc)->u.s_name.len == 1
5609 && dc->type == DEMANGLE_COMPONENT_LITERAL)
5610 {
5611 switch (d_right (dc)->u.s_name.s[0])
5612 {
5613 case '0':
611fc3d0 5614 d_append_string (dpi, "false");
a86aec34 5615 return;
5616 case '1':
611fc3d0 5617 d_append_string (dpi, "true");
a86aec34 5618 return;
5619 default:
5620 break;
5621 }
5622 }
5623 break;
140d75d7 5624
a86aec34 5625 default:
5626 break;
5627 }
5628 }
168d63e5 5629
a86aec34 5630 d_append_char (dpi, '(');
ce673d9a 5631 d_print_comp (dpi, options, d_left (dc));
a86aec34 5632 d_append_char (dpi, ')');
5633 if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
5634 d_append_char (dpi, '-');
5635 if (tp == D_PRINT_FLOAT)
5636 d_append_char (dpi, '[');
ce673d9a 5637 d_print_comp (dpi, options, d_right (dc));
a86aec34 5638 if (tp == D_PRINT_FLOAT)
5639 d_append_char (dpi, ']');
5640 }
1b4974e7 5641 return;
168d63e5 5642
29e2e80a 5643 case DEMANGLE_COMPONENT_NUMBER:
5644 d_append_num (dpi, dc->u.s_number.number);
5645 return;
5646
c8d35c3c 5647 case DEMANGLE_COMPONENT_JAVA_RESOURCE:
5648 d_append_string (dpi, "java resource ");
ce673d9a 5649 d_print_comp (dpi, options, d_left (dc));
c8d35c3c 5650 return;
5651
5652 case DEMANGLE_COMPONENT_COMPOUND_NAME:
ce673d9a 5653 d_print_comp (dpi, options, d_left (dc));
5654 d_print_comp (dpi, options, d_right (dc));
c8d35c3c 5655 return;
5656
5657 case DEMANGLE_COMPONENT_CHARACTER:
5658 d_append_char (dpi, dc->u.s_character.character);
5659 return;
5660
a2ad5e1b 5661 case DEMANGLE_COMPONENT_DECLTYPE:
5662 d_append_string (dpi, "decltype (");
ce673d9a 5663 d_print_comp (dpi, options, d_left (dc));
a2ad5e1b 5664 d_append_char (dpi, ')');
5665 return;
5666
4682b6fe 5667 case DEMANGLE_COMPONENT_PACK_EXPANSION:
5668 {
8173d80a 5669 int len;
4682b6fe 5670 int i;
8173d80a 5671 struct demangle_component *a = d_find_pack (dpi, d_left (dc));
5672 if (a == NULL)
5673 {
5674 /* d_find_pack won't find anything if the only packs involved
5675 in this expansion are function parameter packs; in that
5676 case, just print the pattern and "...". */
ce673d9a 5677 d_print_subexpr (dpi, options, d_left (dc));
8173d80a 5678 d_append_string (dpi, "...");
5679 return;
5680 }
4682b6fe 5681
8173d80a 5682 len = d_pack_length (a);
4682b6fe 5683 dc = d_left (dc);
5684 for (i = 0; i < len; ++i)
5685 {
5686 dpi->pack_index = i;
ce673d9a 5687 d_print_comp (dpi, options, dc);
4682b6fe 5688 if (i < len-1)
5689 d_append_string (dpi, ", ");
5690 }
5691 }
5692 return;
5693
e92154af 5694 case DEMANGLE_COMPONENT_FUNCTION_PARAM:
f220ea72 5695 {
5696 long num = dc->u.s_number.number;
5697 if (num == 0)
5698 d_append_string (dpi, "this");
5699 else
5700 {
5701 d_append_string (dpi, "{parm#");
5702 d_append_num (dpi, num);
5703 d_append_char (dpi, '}');
5704 }
5705 }
a8b75081 5706 return;
e92154af 5707
7ddff01e 5708 case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS:
5709 d_append_string (dpi, "global constructors keyed to ");
ce673d9a 5710 d_print_comp (dpi, options, dc->u.s_binary.left);
7ddff01e 5711 return;
5712
5713 case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS:
5714 d_append_string (dpi, "global destructors keyed to ");
ce673d9a 5715 d_print_comp (dpi, options, dc->u.s_binary.left);
7ddff01e 5716 return;
5717
a8b75081 5718 case DEMANGLE_COMPONENT_LAMBDA:
5719 d_append_string (dpi, "{lambda(");
b35d5d07 5720 /* Generic lambda auto parms are mangled as the template type
5721 parm they are. */
5722 dpi->is_lambda_arg++;
ce673d9a 5723 d_print_comp (dpi, options, dc->u.s_unary_num.sub);
b35d5d07 5724 dpi->is_lambda_arg--;
a8b75081 5725 d_append_string (dpi, ")#");
5726 d_append_num (dpi, dc->u.s_unary_num.num + 1);
5727 d_append_char (dpi, '}');
5728 return;
5729
5730 case DEMANGLE_COMPONENT_UNNAMED_TYPE:
5731 d_append_string (dpi, "{unnamed type#");
5732 d_append_num (dpi, dc->u.s_number.number + 1);
5733 d_append_char (dpi, '}');
5734 return;
5735
0d80d940 5736 case DEMANGLE_COMPONENT_CLONE:
5737 d_print_comp (dpi, options, d_left (dc));
5738 d_append_string (dpi, " [clone ");
5739 d_print_comp (dpi, options, d_right (dc));
5740 d_append_char (dpi, ']');
5741 return;
5742
1b4974e7 5743 default:
5744 d_print_error (dpi);
5745 return;
5746 }
168d63e5 5747}
5748
bb6c1235 5749static void
5750d_print_comp (struct d_print_info *dpi, int options,
a664c62c 5751 struct demangle_component *dc)
bb6c1235 5752{
5753 struct d_component_stack self;
b4cd77b1 5754 if (dc == NULL || dc->d_printing > 1 || dpi->recursion > MAX_RECURSION_COUNT)
a664c62c 5755 {
5756 d_print_error (dpi);
5757 return;
5758 }
b4cd77b1 5759
5760 dc->d_printing++;
5761 dpi->recursion++;
bb6c1235 5762
5763 self.dc = dc;
5764 self.parent = dpi->component_stack;
5765 dpi->component_stack = &self;
5766
5767 d_print_comp_inner (dpi, options, dc);
5768
5769 dpi->component_stack = self.parent;
a664c62c 5770 dc->d_printing--;
b4cd77b1 5771 dpi->recursion--;
bb6c1235 5772}
5773
2c0843db 5774/* Print a Java dentifier. For Java we try to handle encoded extended
5775 Unicode characters. The C++ ABI doesn't mention Unicode encoding,
5776 so we don't it for C++. Characters are encoded as
5777 __U<hex-char>+_. */
168d63e5 5778
1b4974e7 5779static void
d94aaf66 5780d_print_java_identifier (struct d_print_info *dpi, const char *name, int len)
168d63e5 5781{
2c0843db 5782 const char *p;
5783 const char *end;
168d63e5 5784
2c0843db 5785 end = name + len;
5786 for (p = name; p < end; ++p)
5787 {
5788 if (end - p > 3
5789 && p[0] == '_'
5790 && p[1] == '_'
5791 && p[2] == 'U')
168d63e5 5792 {
2c0843db 5793 unsigned long c;
5794 const char *q;
5795
5796 c = 0;
5797 for (q = p + 3; q < end; ++q)
1b4974e7 5798 {
2c0843db 5799 int dig;
5800
5801 if (IS_DIGIT (*q))
5802 dig = *q - '0';
5803 else if (*q >= 'A' && *q <= 'F')
5804 dig = *q - 'A' + 10;
5805 else if (*q >= 'a' && *q <= 'f')
5806 dig = *q - 'a' + 10;
5807 else
5808 break;
168d63e5 5809
2c0843db 5810 c = c * 16 + dig;
5811 }
5812 /* If the Unicode character is larger than 256, we don't try
5813 to deal with it here. FIXME. */
5814 if (q < end && *q == '_' && c < 256)
5815 {
5816 d_append_char (dpi, c);
5817 p = q;
5818 continue;
1b4974e7 5819 }
1b4974e7 5820 }
2c0843db 5821
5822 d_append_char (dpi, *p);
168d63e5 5823 }
168d63e5 5824}
5825
3c87c5c3 5826/* Print a list of modifiers. SUFFIX is 1 if we are printing
5827 qualifiers on this after printing a function. */
168d63e5 5828
1b4974e7 5829static void
ce673d9a 5830d_print_mod_list (struct d_print_info *dpi, int options,
d94aaf66 5831 struct d_print_mod *mods, int suffix)
168d63e5 5832{
c1ea6f0c 5833 struct d_print_template *hold_dpt;
5834
3c87c5c3 5835 if (mods == NULL || d_print_saw_error (dpi))
1b4974e7 5836 return;
168d63e5 5837
3c87c5c3 5838 if (mods->printed
5839 || (! suffix
2e9e9363 5840 && (is_fnqual_component_type (mods->mod->type))))
3c87c5c3 5841 {
ce673d9a 5842 d_print_mod_list (dpi, options, mods->next, suffix);
3c87c5c3 5843 return;
5844 }
5845
c1ea6f0c 5846 mods->printed = 1;
5847
5848 hold_dpt = dpi->templates;
5849 dpi->templates = mods->templates;
5850
f95cb811 5851 if (mods->mod->type == DEMANGLE_COMPONENT_FUNCTION_TYPE)
168d63e5 5852 {
ce673d9a 5853 d_print_function_type (dpi, options, mods->mod, mods->next);
c1ea6f0c 5854 dpi->templates = hold_dpt;
1b4974e7 5855 return;
5856 }
f95cb811 5857 else if (mods->mod->type == DEMANGLE_COMPONENT_ARRAY_TYPE)
1b4974e7 5858 {
ce673d9a 5859 d_print_array_type (dpi, options, mods->mod, mods->next);
c1ea6f0c 5860 dpi->templates = hold_dpt;
1b4974e7 5861 return;
5862 }
f95cb811 5863 else if (mods->mod->type == DEMANGLE_COMPONENT_LOCAL_NAME)
77097adf 5864 {
5865 struct d_print_mod *hold_modifiers;
f95cb811 5866 struct demangle_component *dc;
77097adf 5867
5868 /* When this is on the modifier stack, we have pulled any
5869 qualifiers off the right argument already. Otherwise, we
5870 print it as usual, but don't let the left argument see any
5871 modifiers. */
5872
5873 hold_modifiers = dpi->modifiers;
5874 dpi->modifiers = NULL;
ce673d9a 5875 d_print_comp (dpi, options, d_left (mods->mod));
77097adf 5876 dpi->modifiers = hold_modifiers;
5877
ce673d9a 5878 if ((options & DMGL_JAVA) == 0)
611fc3d0 5879 d_append_string (dpi, "::");
2c0843db 5880 else
5881 d_append_char (dpi, '.');
77097adf 5882
5883 dc = d_right (mods->mod);
a8b75081 5884
5885 if (dc->type == DEMANGLE_COMPONENT_DEFAULT_ARG)
5886 {
5887 d_append_string (dpi, "{default arg#");
5888 d_append_num (dpi, dc->u.s_unary_num.num + 1);
5889 d_append_string (dpi, "}::");
5890 dc = dc->u.s_unary_num.sub;
5891 }
5892
2e9e9363 5893 while (is_fnqual_component_type (dc->type))
77097adf 5894 dc = d_left (dc);
5895
ce673d9a 5896 d_print_comp (dpi, options, dc);
77097adf 5897
5898 dpi->templates = hold_dpt;
5899 return;
5900 }
168d63e5 5901
ce673d9a 5902 d_print_mod (dpi, options, mods->mod);
168d63e5 5903
c1ea6f0c 5904 dpi->templates = hold_dpt;
5905
ce673d9a 5906 d_print_mod_list (dpi, options, mods->next, suffix);
168d63e5 5907}
c1ea6f0c 5908
1b4974e7 5909/* Print a modifier. */
168d63e5 5910
1b4974e7 5911static void
ce673d9a 5912d_print_mod (struct d_print_info *dpi, int options,
a664c62c 5913 struct demangle_component *mod)
1b4974e7 5914{
5915 switch (mod->type)
5916 {
f95cb811 5917 case DEMANGLE_COMPONENT_RESTRICT:
5918 case DEMANGLE_COMPONENT_RESTRICT_THIS:
611fc3d0 5919 d_append_string (dpi, " restrict");
1b4974e7 5920 return;
f95cb811 5921 case DEMANGLE_COMPONENT_VOLATILE:
5922 case DEMANGLE_COMPONENT_VOLATILE_THIS:
611fc3d0 5923 d_append_string (dpi, " volatile");
1b4974e7 5924 return;
f95cb811 5925 case DEMANGLE_COMPONENT_CONST:
5926 case DEMANGLE_COMPONENT_CONST_THIS:
611fc3d0 5927 d_append_string (dpi, " const");
1b4974e7 5928 return;
6d02e6b2 5929 case DEMANGLE_COMPONENT_TRANSACTION_SAFE:
5930 d_append_string (dpi, " transaction_safe");
5931 return;
2e9e9363 5932 case DEMANGLE_COMPONENT_NOEXCEPT:
5933 d_append_string (dpi, " noexcept");
5934 if (d_right (mod))
5935 {
5936 d_append_char (dpi, '(');
5937 d_print_comp (dpi, options, d_right (mod));
5938 d_append_char (dpi, ')');
5939 }
5940 return;
5941 case DEMANGLE_COMPONENT_THROW_SPEC:
5942 d_append_string (dpi, " throw");
5943 if (d_right (mod))
5944 {
5945 d_append_char (dpi, '(');
5946 d_print_comp (dpi, options, d_right (mod));
5947 d_append_char (dpi, ')');
5948 }
5949 return;
f95cb811 5950 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
1b4974e7 5951 d_append_char (dpi, ' ');
ce673d9a 5952 d_print_comp (dpi, options, d_right (mod));
1b4974e7 5953 return;
f95cb811 5954 case DEMANGLE_COMPONENT_POINTER:
1b4974e7 5955 /* There is no pointer symbol in Java. */
ce673d9a 5956 if ((options & DMGL_JAVA) == 0)
1b4974e7 5957 d_append_char (dpi, '*');
5958 return;
1189258f 5959 case DEMANGLE_COMPONENT_REFERENCE_THIS:
5960 /* For the ref-qualifier, put a space before the &. */
5961 d_append_char (dpi, ' ');
e3533433 5962 /* FALLTHRU */
f95cb811 5963 case DEMANGLE_COMPONENT_REFERENCE:
1b4974e7 5964 d_append_char (dpi, '&');
5965 return;
1189258f 5966 case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
5967 d_append_char (dpi, ' ');
e3533433 5968 /* FALLTHRU */
c4692e04 5969 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
5970 d_append_string (dpi, "&&");
5971 return;
f95cb811 5972 case DEMANGLE_COMPONENT_COMPLEX:
611fc3d0 5973 d_append_string (dpi, "complex ");
1b4974e7 5974 return;
f95cb811 5975 case DEMANGLE_COMPONENT_IMAGINARY:
611fc3d0 5976 d_append_string (dpi, "imaginary ");
1b4974e7 5977 return;
f95cb811 5978 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
3c87c5c3 5979 if (d_last_char (dpi) != '(')
1b4974e7 5980 d_append_char (dpi, ' ');
ce673d9a 5981 d_print_comp (dpi, options, d_left (mod));
611fc3d0 5982 d_append_string (dpi, "::*");
1b4974e7 5983 return;
f95cb811 5984 case DEMANGLE_COMPONENT_TYPED_NAME:
ce673d9a 5985 d_print_comp (dpi, options, d_left (mod));
1b4974e7 5986 return;
29e2e80a 5987 case DEMANGLE_COMPONENT_VECTOR_TYPE:
2c69eb5f 5988 d_append_string (dpi, " __vector(");
ce673d9a 5989 d_print_comp (dpi, options, d_left (mod));
2c69eb5f 5990 d_append_char (dpi, ')');
29e2e80a 5991 return;
5992
1b4974e7 5993 default:
5994 /* Otherwise, we have something that won't go back on the
5995 modifier stack, so we can just print it. */
ce673d9a 5996 d_print_comp (dpi, options, mod);
1b4974e7 5997 return;
5998 }
5999}
168d63e5 6000
1b4974e7 6001/* Print a function type, except for the return type. */
168d63e5 6002
1b4974e7 6003static void
ce673d9a 6004d_print_function_type (struct d_print_info *dpi, int options,
a664c62c 6005 struct demangle_component *dc,
d94aaf66 6006 struct d_print_mod *mods)
168d63e5 6007{
c1ea6f0c 6008 int need_paren;
a86aec34 6009 int need_space;
c1ea6f0c 6010 struct d_print_mod *p;
77097adf 6011 struct d_print_mod *hold_modifiers;
c1ea6f0c 6012
6013 need_paren = 0;
a86aec34 6014 need_space = 0;
c1ea6f0c 6015 for (p = mods; p != NULL; p = p->next)
1b4974e7 6016 {
c1ea6f0c 6017 if (p->printed)
6018 break;
168d63e5 6019
c1ea6f0c 6020 switch (p->mod->type)
1b4974e7 6021 {
a86aec34 6022 case DEMANGLE_COMPONENT_POINTER:
6023 case DEMANGLE_COMPONENT_REFERENCE:
c4692e04 6024 case DEMANGLE_COMPONENT_RVALUE_REFERENCE:
a86aec34 6025 need_paren = 1;
6026 break;
f95cb811 6027 case DEMANGLE_COMPONENT_RESTRICT:
6028 case DEMANGLE_COMPONENT_VOLATILE:
6029 case DEMANGLE_COMPONENT_CONST:
6030 case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
f95cb811 6031 case DEMANGLE_COMPONENT_COMPLEX:
6032 case DEMANGLE_COMPONENT_IMAGINARY:
6033 case DEMANGLE_COMPONENT_PTRMEM_TYPE:
a86aec34 6034 need_space = 1;
c1ea6f0c 6035 need_paren = 1;
6036 break;
2e9e9363 6037 FNQUAL_COMPONENT_CASE:
3c87c5c3 6038 break;
c1ea6f0c 6039 default:
6040 break;
1b4974e7 6041 }
c1ea6f0c 6042 if (need_paren)
6043 break;
6044 }
168d63e5 6045
c1ea6f0c 6046 if (need_paren)
3c87c5c3 6047 {
a86aec34 6048 if (! need_space)
3c87c5c3 6049 {
a86aec34 6050 if (d_last_char (dpi) != '('
6051 && d_last_char (dpi) != '*')
6052 need_space = 1;
3c87c5c3 6053 }
a86aec34 6054 if (need_space && d_last_char (dpi) != ' ')
6055 d_append_char (dpi, ' ');
3c87c5c3 6056 d_append_char (dpi, '(');
6057 }
168d63e5 6058
77097adf 6059 hold_modifiers = dpi->modifiers;
6060 dpi->modifiers = NULL;
6061
ce673d9a 6062 d_print_mod_list (dpi, options, mods, 0);
168d63e5 6063
c1ea6f0c 6064 if (need_paren)
6065 d_append_char (dpi, ')');
168d63e5 6066
1b4974e7 6067 d_append_char (dpi, '(');
168d63e5 6068
1b4974e7 6069 if (d_right (dc) != NULL)
ce673d9a 6070 d_print_comp (dpi, options, d_right (dc));
168d63e5 6071
1b4974e7 6072 d_append_char (dpi, ')');
3c87c5c3 6073
ce673d9a 6074 d_print_mod_list (dpi, options, mods, 1);
77097adf 6075
6076 dpi->modifiers = hold_modifiers;
1b4974e7 6077}
168d63e5 6078
1b4974e7 6079/* Print an array type, except for the element type. */
168d63e5 6080
1b4974e7 6081static void
ce673d9a 6082d_print_array_type (struct d_print_info *dpi, int options,
a664c62c 6083 struct demangle_component *dc,
d94aaf66 6084 struct d_print_mod *mods)
1b4974e7 6085{
6086 int need_space;
168d63e5 6087
1b4974e7 6088 need_space = 1;
6089 if (mods != NULL)
168d63e5 6090 {
1b4974e7 6091 int need_paren;
6092 struct d_print_mod *p;
140d75d7 6093
1b4974e7 6094 need_paren = 0;
6095 for (p = mods; p != NULL; p = p->next)
168d63e5 6096 {
6ff4434d 6097 if (! p->printed)
168d63e5 6098 {
6ff4434d 6099 if (p->mod->type == DEMANGLE_COMPONENT_ARRAY_TYPE)
6100 {
6101 need_space = 0;
6102 break;
6103 }
6104 else
6105 {
6106 need_paren = 1;
6107 need_space = 1;
6108 break;
6109 }
168d63e5 6110 }
1b4974e7 6111 }
168d63e5 6112
1b4974e7 6113 if (need_paren)
611fc3d0 6114 d_append_string (dpi, " (");
168d63e5 6115
ce673d9a 6116 d_print_mod_list (dpi, options, mods, 0);
168d63e5 6117
1b4974e7 6118 if (need_paren)
6119 d_append_char (dpi, ')');
6120 }
168d63e5 6121
1b4974e7 6122 if (need_space)
6123 d_append_char (dpi, ' ');
140d75d7 6124
1b4974e7 6125 d_append_char (dpi, '[');
140d75d7 6126
1b4974e7 6127 if (d_left (dc) != NULL)
ce673d9a 6128 d_print_comp (dpi, options, d_left (dc));
168d63e5 6129
1b4974e7 6130 d_append_char (dpi, ']');
6131}
168d63e5 6132
1b4974e7 6133/* Print an operator in an expression. */
168d63e5 6134
1b4974e7 6135static void
ce673d9a 6136d_print_expr_op (struct d_print_info *dpi, int options,
a664c62c 6137 struct demangle_component *dc)
1b4974e7 6138{
f95cb811 6139 if (dc->type == DEMANGLE_COMPONENT_OPERATOR)
2c0843db 6140 d_append_buffer (dpi, dc->u.s_operator.op->name,
6141 dc->u.s_operator.op->len);
1b4974e7 6142 else
ce673d9a 6143 d_print_comp (dpi, options, dc);
168d63e5 6144}
6145
1b4974e7 6146/* Print a cast. */
168d63e5 6147
1b4974e7 6148static void
ce673d9a 6149d_print_cast (struct d_print_info *dpi, int options,
a664c62c 6150 struct demangle_component *dc)
88845c03 6151{
6152 d_print_comp (dpi, options, d_left (dc));
6153}
6154
6155/* Print a conversion operator. */
6156
6157static void
6158d_print_conversion (struct d_print_info *dpi, int options,
a664c62c 6159 struct demangle_component *dc)
168d63e5 6160{
f89ffc3b 6161 struct d_print_template dpt;
c1ea6f0c 6162
88845c03 6163 /* For a conversion operator, we need the template parameters from
f89ffc3b 6164 the enclosing template in scope for processing the type. */
6165 if (dpi->current_template != NULL)
6166 {
1b4974e7 6167 dpt.next = dpi->templates;
6168 dpi->templates = &dpt;
f89ffc3b 6169 dpt.template_decl = dpi->current_template;
6170 }
6b45c28d 6171
f89ffc3b 6172 if (d_left (dc)->type != DEMANGLE_COMPONENT_TEMPLATE)
6173 {
6174 d_print_comp (dpi, options, d_left (dc));
6175 if (dpi->current_template != NULL)
6176 dpi->templates = dpt.next;
6177 }
6178 else
6179 {
ce673d9a 6180 d_print_comp (dpi, options, d_left (d_left (dc)));
6b45c28d 6181
f89ffc3b 6182 /* For a templated cast operator, we need to remove the template
6183 parameters from scope after printing the operator name,
6184 so we need to handle the template printing here. */
6185 if (dpi->current_template != NULL)
6186 dpi->templates = dpt.next;
168d63e5 6187
3c87c5c3 6188 if (d_last_char (dpi) == '<')
6189 d_append_char (dpi, ' ');
1b4974e7 6190 d_append_char (dpi, '<');
ce673d9a 6191 d_print_comp (dpi, options, d_right (d_left (dc)));
1b4974e7 6192 /* Avoid generating two consecutive '>' characters, to avoid
6193 the C++ syntactic ambiguity. */
3c87c5c3 6194 if (d_last_char (dpi) == '>')
1b4974e7 6195 d_append_char (dpi, ' ');
6196 d_append_char (dpi, '>');
168d63e5 6197 }
1b4974e7 6198}
6199
6200/* Initialize the information structure we use to pass around
6201 information. */
6202
f95cb811 6203CP_STATIC_IF_GLIBCPP_V3
6204void
d94aaf66 6205cplus_demangle_init_info (const char *mangled, int options, size_t len,
6206 struct d_info *di)
168d63e5 6207{
1b4974e7 6208 di->s = mangled;
2c0843db 6209 di->send = mangled + len;
1b4974e7 6210 di->options = options;
168d63e5 6211
1b4974e7 6212 di->n = mangled;
6213
130bd651 6214 /* We cannot need more components than twice the number of chars in
1b4974e7 6215 the mangled string. Most components correspond directly to
6216 chars, but the ARGLIST types are exceptions. */
6217 di->num_comps = 2 * len;
1b4974e7 6218 di->next_comp = 0;
6219
130bd651 6220 /* Similarly, we cannot need more substitutions than there are
c1ea6f0c 6221 chars in the mangled string. */
6222 di->num_subs = len;
1b4974e7 6223 di->next_sub = 0;
6224
6225 di->last_name = NULL;
6226
2c0843db 6227 di->expansion = 0;
f89ffc3b 6228 di->is_expression = 0;
6229 di->is_conversion = 0;
03e51746 6230 di->recursion_level = 0;
168d63e5 6231}
6232
611fc3d0 6233/* Internal implementation for the demangler. If MANGLED is a g++ v3 ABI
6234 mangled name, return strings in repeated callback giving the demangled
6235 name. OPTIONS is the usual libiberty demangler options. On success,
6236 this returns 1. On failure, returns 0. */
168d63e5 6237
611fc3d0 6238static int
6239d_demangle_callback (const char *mangled, int options,
6240 demangle_callbackref callback, void *opaque)
168d63e5 6241{
7ddff01e 6242 enum
6243 {
6244 DCT_TYPE,
6245 DCT_MANGLED,
6246 DCT_GLOBAL_CTORS,
6247 DCT_GLOBAL_DTORS
6248 }
6249 type;
1b4974e7 6250 struct d_info di;
f95cb811 6251 struct demangle_component *dc;
611fc3d0 6252 int status;
1b4974e7 6253
6254 if (mangled[0] == '_' && mangled[1] == 'Z')
7ddff01e 6255 type = DCT_MANGLED;
1b4974e7 6256 else if (strncmp (mangled, "_GLOBAL_", 8) == 0
6257 && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$')
6258 && (mangled[9] == 'D' || mangled[9] == 'I')
6259 && mangled[10] == '_')
7ddff01e 6260 type = mangled[9] == 'I' ? DCT_GLOBAL_CTORS : DCT_GLOBAL_DTORS;
168d63e5 6261 else
6262 {
1b4974e7 6263 if ((options & DMGL_TYPES) == 0)
611fc3d0 6264 return 0;
7ddff01e 6265 type = DCT_TYPE;
168d63e5 6266 }
6267
611fc3d0 6268 cplus_demangle_init_info (mangled, options, strlen (mangled), &di);
140d75d7 6269
03e51746 6270 /* PR 87675 - Check for a mangled string that is so long
6271 that we do not have enough stack space to demangle it. */
6272 if (((options & DMGL_NO_RECURSE_LIMIT) == 0)
6273 /* This check is a bit arbitrary, since what we really want to do is to
6274 compare the sizes of the di.comps and di.subs arrays against the
6275 amount of stack space remaining. But there is no portable way to do
6276 this, so instead we use the recursion limit as a guide to the maximum
6277 size of the arrays. */
6278 && (unsigned long) di.num_comps > DEMANGLE_RECURSION_LIMIT)
6279 {
6280 /* FIXME: We need a way to indicate that a stack limit has been reached. */
6281 return 0;
6282 }
6283
2c0843db 6284 {
6285#ifdef CP_DYNAMIC_ARRAYS
f95cb811 6286 __extension__ struct demangle_component comps[di.num_comps];
6287 __extension__ struct demangle_component *subs[di.num_subs];
2c0843db 6288
611fc3d0 6289 di.comps = comps;
6290 di.subs = subs;
2c0843db 6291#else
611fc3d0 6292 di.comps = alloca (di.num_comps * sizeof (*di.comps));
6293 di.subs = alloca (di.num_subs * sizeof (*di.subs));
2c0843db 6294#endif
6295
7ddff01e 6296 switch (type)
6297 {
6298 case DCT_TYPE:
6299 dc = cplus_demangle_type (&di);
6300 break;
6301 case DCT_MANGLED:
6302 dc = cplus_demangle_mangled_name (&di, 1);
6303 break;
6304 case DCT_GLOBAL_CTORS:
6305 case DCT_GLOBAL_DTORS:
6306 d_advance (&di, 11);
6307 dc = d_make_comp (&di,
6308 (type == DCT_GLOBAL_CTORS
6309 ? DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS
6310 : DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS),
6400c038 6311 d_make_demangle_mangled_name (&di, d_str (&di)),
7ddff01e 6312 NULL);
6313 d_advance (&di, strlen (d_str (&di)));
6314 break;
91cb463c 6315 default:
6316 abort (); /* We have listed all the cases. */
7ddff01e 6317 }
1b4974e7 6318
2c0843db 6319 /* If DMGL_PARAMS is set, then if we didn't consume the entire
6320 mangled string, then we didn't successfully demangle it. If
6321 DMGL_PARAMS is not set, we didn't look at the trailing
6322 parameters. */
6323 if (((options & DMGL_PARAMS) != 0) && d_peek_char (&di) != '\0')
6324 dc = NULL;
72983aaa 6325
1b4974e7 6326#ifdef CP_DEMANGLE_DEBUG
611fc3d0 6327 d_dump (dc, 0);
1b4974e7 6328#endif
6329
611fc3d0 6330 status = (dc != NULL)
6331 ? cplus_demangle_print_callback (options, dc, callback, opaque)
6332 : 0;
6333 }
140d75d7 6334
611fc3d0 6335 return status;
6336}
140d75d7 6337
611fc3d0 6338/* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled
6339 name, return a buffer allocated with malloc holding the demangled
6340 name. OPTIONS is the usual libiberty demangler options. On
6341 success, this sets *PALC to the allocated size of the returned
6342 buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for
6343 a memory allocation failure, and returns NULL. */
2c0843db 6344
611fc3d0 6345static char *
6346d_demangle (const char *mangled, int options, size_t *palc)
6347{
6348 struct d_growable_string dgs;
6349 int status;
140d75d7 6350
611fc3d0 6351 d_growable_string_init (&dgs, 0);
6352
6353 status = d_demangle_callback (mangled, options,
6354 d_growable_string_callback_adapter, &dgs);
6355 if (status == 0)
6356 {
6357 free (dgs.buf);
6358 *palc = 0;
6359 return NULL;
6360 }
6361
db80fc3f 6362 *palc = dgs.allocation_failure ? 1 : dgs.alc;
611fc3d0 6363 return dgs.buf;
168d63e5 6364}
6365
5acfe29d 6366#if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3)
1b4974e7 6367
d94aaf66 6368extern char *__cxa_demangle (const char *, char *, size_t *, int *);
140d75d7 6369
1b4974e7 6370/* ia64 ABI-mandated entry point in the C++ runtime library for
6371 performing demangling. MANGLED_NAME is a NUL-terminated character
6372 string containing the name to be demangled.
140d75d7 6373
6374 OUTPUT_BUFFER is a region of memory, allocated with malloc, of
6375 *LENGTH bytes, into which the demangled name is stored. If
6376 OUTPUT_BUFFER is not long enough, it is expanded using realloc.
6377 OUTPUT_BUFFER may instead be NULL; in that case, the demangled name
1b4974e7 6378 is placed in a region of memory allocated with malloc.
140d75d7 6379
611fc3d0 6380 If LENGTH is non-NULL, the length of the buffer containing the
1b4974e7 6381 demangled name, is placed in *LENGTH.
140d75d7 6382
6383 The return value is a pointer to the start of the NUL-terminated
6384 demangled name, or NULL if the demangling fails. The caller is
1b4974e7 6385 responsible for deallocating this memory using free.
140d75d7 6386
6387 *STATUS is set to one of the following values:
6388 0: The demangling operation succeeded.
1b4974e7 6389 -1: A memory allocation failure occurred.
140d75d7 6390 -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules.
6391 -3: One of the arguments is invalid.
6392
1b4974e7 6393 The demangling is performed using the C++ ABI mangling rules, with
140d75d7 6394 GNU extensions. */
6395
6396char *
d94aaf66 6397__cxa_demangle (const char *mangled_name, char *output_buffer,
6398 size_t *length, int *status)
140d75d7 6399{
1b4974e7 6400 char *demangled;
6401 size_t alc;
140d75d7 6402
1b4974e7 6403 if (mangled_name == NULL)
6404 {
dbe9febb 6405 if (status != NULL)
6406 *status = -3;
140d75d7 6407 return NULL;
6408 }
140d75d7 6409
1b4974e7 6410 if (output_buffer != NULL && length == NULL)
140d75d7 6411 {
dbe9febb 6412 if (status != NULL)
6413 *status = -3;
6414 return NULL;
6415 }
6416
d87adc77 6417 demangled = d_demangle (mangled_name, DMGL_PARAMS | DMGL_TYPES, &alc);
1b4974e7 6418
6419 if (demangled == NULL)
140d75d7 6420 {
dbe9febb 6421 if (status != NULL)
6422 {
6423 if (alc == 1)
6424 *status = -1;
6425 else
6426 *status = -2;
6427 }
140d75d7 6428 return NULL;
6429 }
1b4974e7 6430
6431 if (output_buffer == NULL)
6432 {
6433 if (length != NULL)
6434 *length = alc;
6435 }
140d75d7 6436 else
140d75d7 6437 {
1b4974e7 6438 if (strlen (demangled) < *length)
6439 {
6440 strcpy (output_buffer, demangled);
6441 free (demangled);
6442 demangled = output_buffer;
6443 }
6444 else
6445 {
6446 free (output_buffer);
6447 *length = alc;
6448 }
140d75d7 6449 }
1b4974e7 6450
dbe9febb 6451 if (status != NULL)
6452 *status = 0;
1b4974e7 6453
6454 return demangled;
140d75d7 6455}
6456
611fc3d0 6457extern int __gcclibcxx_demangle_callback (const char *,
6458 void (*)
6459 (const char *, size_t, void *),
6460 void *);
6461
6462/* Alternative, allocationless entry point in the C++ runtime library
6463 for performing demangling. MANGLED_NAME is a NUL-terminated character
6464 string containing the name to be demangled.
6465
6466 CALLBACK is a callback function, called with demangled string
6467 segments as demangling progresses; it is called at least once,
6468 but may be called more than once. OPAQUE is a generalized pointer
6469 used as a callback argument.
6470
6471 The return code is one of the following values, equivalent to
6472 the STATUS values of __cxa_demangle() (excluding -1, since this
6473 function performs no memory allocations):
6474 0: The demangling operation succeeded.
6475 -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules.
6476 -3: One of the arguments is invalid.
6477
6478 The demangling is performed using the C++ ABI mangling rules, with
6479 GNU extensions. */
6480
6481int
6482__gcclibcxx_demangle_callback (const char *mangled_name,
6483 void (*callback) (const char *, size_t, void *),
6484 void *opaque)
6485{
6486 int status;
6487
6488 if (mangled_name == NULL || callback == NULL)
6489 return -3;
6490
6491 status = d_demangle_callback (mangled_name, DMGL_PARAMS | DMGL_TYPES,
6492 callback, opaque);
6493 if (status == 0)
6494 return -2;
6495
6496 return 0;
6497}
6498
5acfe29d 6499#else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */
140d75d7 6500
1b4974e7 6501/* Entry point for libiberty demangler. If MANGLED is a g++ v3 ABI
6502 mangled name, return a buffer allocated with malloc holding the
6503 demangled name. Otherwise, return NULL. */
168d63e5 6504
6505char *
611fc3d0 6506cplus_demangle_v3 (const char *mangled, int options)
168d63e5 6507{
1b4974e7 6508 size_t alc;
cf0ad6a8 6509
1b4974e7 6510 return d_demangle (mangled, options, &alc);
168d63e5 6511}
6512
611fc3d0 6513int
6514cplus_demangle_v3_callback (const char *mangled, int options,
6515 demangle_callbackref callback, void *opaque)
6516{
6517 return d_demangle_callback (mangled, options, callback, opaque);
6518}
6519
1c1033dd 6520/* Demangle a Java symbol. Java uses a subset of the V3 ABI C++ mangling
6521 conventions, but the output formatting is a little different.
611fc3d0 6522 This instructs the C++ demangler not to emit pointer characters ("*"), to
6523 use Java's namespace separator symbol ("." instead of "::"), and to output
6524 JArray<TYPE> as TYPE[]. */
1c1033dd 6525
6526char *
611fc3d0 6527java_demangle_v3 (const char *mangled)
1c1033dd 6528{
1b4974e7 6529 size_t alc;
1c1033dd 6530
611fc3d0 6531 return d_demangle (mangled, DMGL_JAVA | DMGL_PARAMS | DMGL_RET_POSTFIX, &alc);
6532}
87591c4a 6533
611fc3d0 6534int
6535java_demangle_v3_callback (const char *mangled,
6536 demangle_callbackref callback, void *opaque)
6537{
6538 return d_demangle_callback (mangled,
6539 DMGL_JAVA | DMGL_PARAMS | DMGL_RET_POSTFIX,
6540 callback, opaque);
1c1033dd 6541}
6542
5acfe29d 6543#endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */
140d75d7 6544
c62ef5b5 6545#ifndef IN_GLIBCPP_V3
1b4974e7 6546
6547/* Demangle a string in order to find out whether it is a constructor
6548 or destructor. Return non-zero on success. Set *CTOR_KIND and
6549 *DTOR_KIND appropriately. */
6550
6551static int
d94aaf66 6552is_ctor_or_dtor (const char *mangled,
6553 enum gnu_v3_ctor_kinds *ctor_kind,
6554 enum gnu_v3_dtor_kinds *dtor_kind)
3a18c9fc 6555{
1b4974e7 6556 struct d_info di;
f95cb811 6557 struct demangle_component *dc;
3c87c5c3 6558 int ret;
3a18c9fc 6559
1b4974e7 6560 *ctor_kind = (enum gnu_v3_ctor_kinds) 0;
6561 *dtor_kind = (enum gnu_v3_dtor_kinds) 0;
6562
f95cb811 6563 cplus_demangle_init_info (mangled, DMGL_GNU_V3, strlen (mangled), &di);
3a18c9fc 6564
2c0843db 6565 {
6566#ifdef CP_DYNAMIC_ARRAYS
f95cb811 6567 __extension__ struct demangle_component comps[di.num_comps];
6568 __extension__ struct demangle_component *subs[di.num_subs];
2c0843db 6569
611fc3d0 6570 di.comps = comps;
6571 di.subs = subs;
2c0843db 6572#else
611fc3d0 6573 di.comps = alloca (di.num_comps * sizeof (*di.comps));
6574 di.subs = alloca (di.num_subs * sizeof (*di.subs));
2c0843db 6575#endif
1b4974e7 6576
f95cb811 6577 dc = cplus_demangle_mangled_name (&di, 1);
08d5ae10 6578
2c0843db 6579 /* Note that because we did not pass DMGL_PARAMS, we don't expect
6580 to demangle the entire string. */
3a18c9fc 6581
2c0843db 6582 ret = 0;
6583 while (dc != NULL)
6584 {
6585 switch (dc->type)
6586 {
1189258f 6587 /* These cannot appear on a constructor or destructor. */
6588 case DEMANGLE_COMPONENT_RESTRICT_THIS:
6589 case DEMANGLE_COMPONENT_VOLATILE_THIS:
6590 case DEMANGLE_COMPONENT_CONST_THIS:
6591 case DEMANGLE_COMPONENT_REFERENCE_THIS:
6592 case DEMANGLE_COMPONENT_RVALUE_REFERENCE_THIS:
2c0843db 6593 default:
6594 dc = NULL;
6595 break;
f95cb811 6596 case DEMANGLE_COMPONENT_TYPED_NAME:
6597 case DEMANGLE_COMPONENT_TEMPLATE:
2c0843db 6598 dc = d_left (dc);
6599 break;
f95cb811 6600 case DEMANGLE_COMPONENT_QUAL_NAME:
6601 case DEMANGLE_COMPONENT_LOCAL_NAME:
2c0843db 6602 dc = d_right (dc);
6603 break;
f95cb811 6604 case DEMANGLE_COMPONENT_CTOR:
2c0843db 6605 *ctor_kind = dc->u.s_ctor.kind;
6606 ret = 1;
6607 dc = NULL;
6608 break;
f95cb811 6609 case DEMANGLE_COMPONENT_DTOR:
2c0843db 6610 *dtor_kind = dc->u.s_dtor.kind;
6611 ret = 1;
6612 dc = NULL;
6613 break;
6614 }
6615 }
2c0843db 6616 }
3c87c5c3 6617
6618 return ret;
3a18c9fc 6619}
6620
1b4974e7 6621/* Return whether NAME is the mangled form of a g++ V3 ABI constructor
6622 name. A non-zero return indicates the type of constructor. */
3a18c9fc 6623
3a18c9fc 6624enum gnu_v3_ctor_kinds
d94aaf66 6625is_gnu_v3_mangled_ctor (const char *name)
3a18c9fc 6626{
1b4974e7 6627 enum gnu_v3_ctor_kinds ctor_kind;
6628 enum gnu_v3_dtor_kinds dtor_kind;
3a18c9fc 6629
1b4974e7 6630 if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind))
05455547 6631 return (enum gnu_v3_ctor_kinds) 0;
1b4974e7 6632 return ctor_kind;
3a18c9fc 6633}
6634
6635
1b4974e7 6636/* Return whether NAME is the mangled form of a g++ V3 ABI destructor
6637 name. A non-zero return indicates the type of destructor. */
6638
3a18c9fc 6639enum gnu_v3_dtor_kinds
d94aaf66 6640is_gnu_v3_mangled_dtor (const char *name)
3a18c9fc 6641{
1b4974e7 6642 enum gnu_v3_ctor_kinds ctor_kind;
6643 enum gnu_v3_dtor_kinds dtor_kind;
3a18c9fc 6644
1b4974e7 6645 if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind))
05455547 6646 return (enum gnu_v3_dtor_kinds) 0;
1b4974e7 6647 return dtor_kind;
3a18c9fc 6648}
6649
1b4974e7 6650#endif /* IN_GLIBCPP_V3 */
3a18c9fc 6651
168d63e5 6652#ifdef STANDALONE_DEMANGLER
6653
6654#include "getopt.h"
1b4974e7 6655#include "dyn-string.h"
6656
320d4d0a 6657static void print_usage (FILE* fp, int exit_value);
168d63e5 6658
1b4974e7 6659#define IS_ALPHA(CHAR) \
6660 (((CHAR) >= 'a' && (CHAR) <= 'z') \
6661 || ((CHAR) >= 'A' && (CHAR) <= 'Z'))
168d63e5 6662
6663/* Non-zero if CHAR is a character than can occur in a mangled name. */
7ae7b54c 6664#define is_mangled_char(CHAR) \
40e00cb0 6665 (IS_ALPHA (CHAR) || IS_DIGIT (CHAR) \
6666 || (CHAR) == '_' || (CHAR) == '.' || (CHAR) == '$')
168d63e5 6667
6668/* The name of this program, as invoked. */
6669const char* program_name;
6670
6671/* Prints usage summary to FP and then exits with EXIT_VALUE. */
6672
6673static void
d94aaf66 6674print_usage (FILE* fp, int exit_value)
168d63e5 6675{
6676 fprintf (fp, "Usage: %s [options] [names ...]\n", program_name);
62c2feed 6677 fprintf (fp, "Options:\n");
168d63e5 6678 fprintf (fp, " -h,--help Display this message.\n");
55faa696 6679 fprintf (fp, " -p,--no-params Don't display function parameters\n");
168d63e5 6680 fprintf (fp, " -v,--verbose Produce verbose demanglings.\n");
6681 fprintf (fp, "If names are provided, they are demangled. Otherwise filters standard input.\n");
6682
6683 exit (exit_value);
6684}
6685
6686/* Option specification for getopt_long. */
c077395f 6687static const struct option long_options[] =
168d63e5 6688{
55faa696 6689 { "help", no_argument, NULL, 'h' },
6690 { "no-params", no_argument, NULL, 'p' },
6691 { "verbose", no_argument, NULL, 'v' },
6692 { NULL, no_argument, NULL, 0 },
168d63e5 6693};
6694
6695/* Main entry for a demangling filter executable. It will demangle
6696 its command line arguments, if any. If none are provided, it will
6697 filter stdin to stdout, replacing any recognized mangled C++ names
6698 with their demangled equivalents. */
6699
6700int
d94aaf66 6701main (int argc, char *argv[])
168d63e5 6702{
168d63e5 6703 int i;
6704 int opt_char;
1b4974e7 6705 int options = DMGL_PARAMS | DMGL_ANSI | DMGL_TYPES;
168d63e5 6706
6707 /* Use the program name of this program, as invoked. */
6708 program_name = argv[0];
6709
6710 /* Parse options. */
6711 do
6712 {
55faa696 6713 opt_char = getopt_long (argc, argv, "hpv", long_options, NULL);
168d63e5 6714 switch (opt_char)
6715 {
6716 case '?': /* Unrecognized option. */
6717 print_usage (stderr, 1);
6718 break;
6719
6720 case 'h':
6721 print_usage (stdout, 0);
6722 break;
6723
55faa696 6724 case 'p':
6725 options &= ~ DMGL_PARAMS;
6726 break;
6727
168d63e5 6728 case 'v':
1b4974e7 6729 options |= DMGL_VERBOSE;
168d63e5 6730 break;
6731 }
6732 }
6733 while (opt_char != -1);
6734
6735 if (optind == argc)
6736 /* No command line arguments were provided. Filter stdin. */
6737 {
6738 dyn_string_t mangled = dyn_string_new (3);
1b4974e7 6739 char *s;
168d63e5 6740
6741 /* Read all of input. */
6742 while (!feof (stdin))
6743 {
1b4974e7 6744 char c;
168d63e5 6745
6746 /* Pile characters into mangled until we hit one that can't
6747 occur in a mangled name. */
6748 c = getchar ();
6749 while (!feof (stdin) && is_mangled_char (c))
6750 {
6751 dyn_string_append_char (mangled, c);
6752 if (feof (stdin))
6753 break;
6754 c = getchar ();
6755 }
6756
1b4974e7 6757 if (dyn_string_length (mangled) > 0)
140d75d7 6758 {
dbe9febb 6759#ifdef IN_GLIBCPP_V3
6760 s = __cxa_demangle (dyn_string_buf (mangled), NULL, NULL, NULL);
6761#else
1b4974e7 6762 s = cplus_demangle_v3 (dyn_string_buf (mangled), options);
dbe9febb 6763#endif
1b4974e7 6764
6765 if (s != NULL)
6766 {
6767 fputs (s, stdout);
6768 free (s);
6769 }
6770 else
6771 {
6772 /* It might not have been a mangled name. Print the
6773 original text. */
6774 fputs (dyn_string_buf (mangled), stdout);
6775 }
6776
6777 dyn_string_clear (mangled);
140d75d7 6778 }
168d63e5 6779
6780 /* If we haven't hit EOF yet, we've read one character that
6781 can't occur in a mangled name, so print it out. */
6782 if (!feof (stdin))
6783 putchar (c);
168d63e5 6784 }
6785
6786 dyn_string_delete (mangled);
168d63e5 6787 }
6788 else
6789 /* Demangle command line arguments. */
6790 {
168d63e5 6791 /* Loop over command line arguments. */
6792 for (i = optind; i < argc; ++i)
6793 {
1b4974e7 6794 char *s;
dbe9febb 6795#ifdef IN_GLIBCPP_V3
6796 int status;
6797#endif
1b4974e7 6798
168d63e5 6799 /* Attempt to demangle. */
dbe9febb 6800#ifdef IN_GLIBCPP_V3
6801 s = __cxa_demangle (argv[i], NULL, NULL, &status);
6802#else
1b4974e7 6803 s = cplus_demangle_v3 (argv[i], options);
dbe9febb 6804#endif
168d63e5 6805
6806 /* If it worked, print the demangled name. */
1b4974e7 6807 if (s != NULL)
140d75d7 6808 {
1b4974e7 6809 printf ("%s\n", s);
6810 free (s);
140d75d7 6811 }
1b4974e7 6812 else
dbe9febb 6813 {
6814#ifdef IN_GLIBCPP_V3
6815 fprintf (stderr, "Failed: %s (status %d)\n", argv[i], status);
6816#else
6817 fprintf (stderr, "Failed: %s\n", argv[i]);
6818#endif
6819 }
168d63e5 6820 }
168d63e5 6821 }
6822
6823 return 0;
6824}
6825
6826#endif /* STANDALONE_DEMANGLER */
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