]>
Commit | Line | Data |
---|---|---|
bd6946d1 ILT |
1 | /* Demangler for g++ V3 ABI. |
2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
3 | Written by Ian Lance Taylor <ian@wasabisystems.com>. | |
69afa80d | 4 | |
2b81b2c9 | 5 | This file is part of the libiberty library, which is part of GCC. |
759e8187 | 6 | |
2b81b2c9 | 7 | This file is free software; you can redistribute it and/or modify |
69afa80d AS |
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 | ||
b3dd43df MM |
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 | ||
69afa80d AS |
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 | |
28 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
29 | */ | |
30 | ||
69afa80d AS |
31 | #ifdef HAVE_CONFIG_H |
32 | #include "config.h" | |
33 | #endif | |
34 | ||
bd6946d1 | 35 | #include <stdio.h> |
8502a100 | 36 | |
69afa80d AS |
37 | #ifdef HAVE_STDLIB_H |
38 | #include <stdlib.h> | |
39 | #endif | |
69afa80d AS |
40 | #ifdef HAVE_STRING_H |
41 | #include <string.h> | |
42 | #endif | |
43 | ||
44 | #include "ansidecl.h" | |
45 | #include "libiberty.h" | |
7eb23b1f | 46 | #include "demangle.h" |
69afa80d | 47 | |
bd6946d1 ILT |
48 | /* This code implements a demangler for the g++ V3 ABI. The ABI is |
49 | described on this web page: | |
50 | http://www.codesourcery.com/cxx-abi/abi.html#mangling | |
69afa80d | 51 | |
bd6946d1 ILT |
52 | This code was written while looking at the demangler written by |
53 | Alex Samuel <samuel@codesourcery.com>. | |
54 | ||
55 | This code first pulls the mangled name apart into a list of | |
56 | components, and then walks the list generating the demangled | |
57 | name. */ | |
58 | ||
59 | /* Avoid pulling in the ctype tables for this simple usage. */ | |
60 | #define IS_DIGIT(c) ((c) >= '0' && (c) <= '9') | |
051664b0 | 61 | |
31e0ab1f AS |
62 | /* The prefix prepended by GCC to an identifier represnting the |
63 | anonymous namespace. */ | |
64 | #define ANONYMOUS_NAMESPACE_PREFIX "_GLOBAL_" | |
bd6946d1 ILT |
65 | #define ANONYMOUS_NAMESPACE_PREFIX_LEN \ |
66 | (sizeof (ANONYMOUS_NAMESPACE_PREFIX) - 1) | |
31e0ab1f | 67 | |
bd6946d1 | 68 | /* Information we keep for operators. */ |
69afa80d | 69 | |
bd6946d1 | 70 | struct d_operator_info |
69afa80d | 71 | { |
bd6946d1 ILT |
72 | /* Mangled name. */ |
73 | const char *code; | |
74 | /* Real name. */ | |
75 | const char *name; | |
76 | /* Number of arguments. */ | |
77 | int args; | |
78 | }; | |
0870bfd6 | 79 | |
bd6946d1 | 80 | /* How to print the value of a builtin type. */ |
0870bfd6 | 81 | |
bd6946d1 ILT |
82 | enum d_builtin_type_print |
83 | { | |
84 | /* Print as (type)val. */ | |
85 | D_PRINT_DEFAULT, | |
86 | /* Print as integer. */ | |
87 | D_PRINT_INT, | |
88 | /* Print as long, with trailing `l'. */ | |
89 | D_PRINT_LONG, | |
90 | /* Print as bool. */ | |
91 | D_PRINT_BOOL, | |
92 | /* Print in usual way, but here to detect void. */ | |
93 | D_PRINT_VOID | |
69afa80d AS |
94 | }; |
95 | ||
bd6946d1 | 96 | /* Information we keep for a builtin type. */ |
69afa80d | 97 | |
bd6946d1 | 98 | struct d_builtin_type_info |
69afa80d | 99 | { |
bd6946d1 ILT |
100 | /* Type name. */ |
101 | const char *name; | |
102 | /* Type name when using Java. */ | |
103 | const char *java_name; | |
104 | /* How to print a value of this type. */ | |
105 | enum d_builtin_type_print print; | |
106 | }; | |
69afa80d | 107 | |
bd6946d1 ILT |
108 | /* Component types found in mangled names. */ |
109 | ||
110 | enum d_comp_type | |
111 | { | |
112 | /* A name. */ | |
113 | D_COMP_NAME, | |
114 | /* A qualified name. */ | |
115 | D_COMP_QUAL_NAME, | |
116 | /* A typed name. */ | |
117 | D_COMP_TYPED_NAME, | |
118 | /* A template. */ | |
119 | D_COMP_TEMPLATE, | |
120 | /* A template parameter. */ | |
121 | D_COMP_TEMPLATE_PARAM, | |
122 | /* A constructor. */ | |
123 | D_COMP_CTOR, | |
124 | /* A destructor. */ | |
125 | D_COMP_DTOR, | |
126 | /* A vtable. */ | |
127 | D_COMP_VTABLE, | |
128 | /* A VTT structure. */ | |
129 | D_COMP_VTT, | |
130 | /* A construction vtable. */ | |
131 | D_COMP_CONSTRUCTION_VTABLE, | |
132 | /* A typeinfo structure. */ | |
133 | D_COMP_TYPEINFO, | |
134 | /* A typeinfo name. */ | |
135 | D_COMP_TYPEINFO_NAME, | |
136 | /* A typeinfo function. */ | |
137 | D_COMP_TYPEINFO_FN, | |
138 | /* A thunk. */ | |
139 | D_COMP_THUNK, | |
140 | /* A virtual thunk. */ | |
141 | D_COMP_VIRTUAL_THUNK, | |
142 | /* A covariant thunk. */ | |
143 | D_COMP_COVARIANT_THUNK, | |
144 | /* A Java class. */ | |
145 | D_COMP_JAVA_CLASS, | |
146 | /* A guard variable. */ | |
147 | D_COMP_GUARD, | |
148 | /* A reference temporary. */ | |
149 | D_COMP_REFTEMP, | |
150 | /* A standard substitution. */ | |
151 | D_COMP_SUB_STD, | |
152 | /* The restrict qualifier. */ | |
153 | D_COMP_RESTRICT, | |
154 | /* The volatile qualifier. */ | |
155 | D_COMP_VOLATILE, | |
156 | /* The const qualifier. */ | |
157 | D_COMP_CONST, | |
158 | /* A vendor qualifier. */ | |
159 | D_COMP_VENDOR_TYPE_QUAL, | |
160 | /* A pointer. */ | |
161 | D_COMP_POINTER, | |
162 | /* A reference. */ | |
163 | D_COMP_REFERENCE, | |
164 | /* A complex type. */ | |
165 | D_COMP_COMPLEX, | |
166 | /* An imaginary type. */ | |
167 | D_COMP_IMAGINARY, | |
168 | /* A builtin type. */ | |
169 | D_COMP_BUILTIN_TYPE, | |
170 | /* A vendor's builtin type. */ | |
171 | D_COMP_VENDOR_TYPE, | |
172 | /* A function type. */ | |
173 | D_COMP_FUNCTION_TYPE, | |
174 | /* An array type. */ | |
175 | D_COMP_ARRAY_TYPE, | |
176 | /* A pointer to member type. */ | |
177 | D_COMP_PTRMEM_TYPE, | |
178 | /* An argument list. */ | |
179 | D_COMP_ARGLIST, | |
180 | /* A template argument list. */ | |
181 | D_COMP_TEMPLATE_ARGLIST, | |
182 | /* An operator. */ | |
183 | D_COMP_OPERATOR, | |
184 | /* An extended operator. */ | |
185 | D_COMP_EXTENDED_OPERATOR, | |
186 | /* A typecast. */ | |
187 | D_COMP_CAST, | |
188 | /* A unary expression. */ | |
189 | D_COMP_UNARY, | |
190 | /* A binary expression. */ | |
191 | D_COMP_BINARY, | |
192 | /* Arguments to a binary expression. */ | |
193 | D_COMP_BINARY_ARGS, | |
194 | /* A trinary expression. */ | |
195 | D_COMP_TRINARY, | |
196 | /* Arguments to a trinary expression. */ | |
197 | D_COMP_TRINARY_ARG1, | |
198 | D_COMP_TRINARY_ARG2, | |
199 | /* A literal. */ | |
200 | D_COMP_LITERAL | |
69afa80d AS |
201 | }; |
202 | ||
bd6946d1 | 203 | /* A component of the mangled name. */ |
69afa80d | 204 | |
bd6946d1 | 205 | struct d_comp |
69afa80d | 206 | { |
bd6946d1 ILT |
207 | /* The type of this component. */ |
208 | enum d_comp_type type; | |
209 | union | |
210 | { | |
211 | /* For D_COMP_NAME. */ | |
212 | struct | |
213 | { | |
214 | /* A pointer to the name (not NULL terminated) and it's | |
215 | length. */ | |
216 | const char *s; | |
217 | int len; | |
218 | } s_name; | |
69afa80d | 219 | |
bd6946d1 ILT |
220 | /* For D_COMP_OPERATOR. */ |
221 | struct | |
222 | { | |
223 | /* Operator. */ | |
224 | const struct d_operator_info *op; | |
225 | } s_operator; | |
69afa80d | 226 | |
bd6946d1 ILT |
227 | /* For D_COMP_EXTENDED_OPERATOR. */ |
228 | struct | |
229 | { | |
230 | /* Number of arguments. */ | |
231 | int args; | |
232 | /* Name. */ | |
233 | struct d_comp *name; | |
234 | } s_extended_operator; | |
69afa80d | 235 | |
bd6946d1 ILT |
236 | /* For D_COMP_CTOR. */ |
237 | struct | |
238 | { | |
239 | enum gnu_v3_ctor_kinds kind; | |
240 | struct d_comp *name; | |
241 | } s_ctor; | |
69afa80d | 242 | |
bd6946d1 ILT |
243 | /* For D_COMP_DTOR. */ |
244 | struct | |
245 | { | |
246 | enum gnu_v3_dtor_kinds kind; | |
247 | struct d_comp *name; | |
248 | } s_dtor; | |
69afa80d | 249 | |
bd6946d1 ILT |
250 | /* For D_COMP_BUILTIN_TYPE. */ |
251 | struct | |
252 | { | |
253 | const struct d_builtin_type_info *type; | |
254 | } s_builtin; | |
255 | ||
256 | /* For D_COMP_SUB_STD. */ | |
257 | struct | |
258 | { | |
259 | const char* string; | |
260 | } s_string; | |
69afa80d | 261 | |
bd6946d1 ILT |
262 | /* For D_COMP_TEMPLATE_PARAM. */ |
263 | struct | |
264 | { | |
265 | long number; | |
266 | } s_number; | |
69afa80d | 267 | |
bd6946d1 ILT |
268 | /* For other types. */ |
269 | struct | |
270 | { | |
271 | struct d_comp *left; | |
272 | struct d_comp *right; | |
273 | } s_binary; | |
69afa80d | 274 | |
bd6946d1 ILT |
275 | } u; |
276 | }; | |
69afa80d | 277 | |
bd6946d1 ILT |
278 | #define d_left(dc) ((dc)->u.s_binary.left) |
279 | #define d_right(dc) ((dc)->u.s_binary.right) | |
280 | ||
281 | /* The information structure we pass around. */ | |
282 | ||
283 | struct d_info | |
284 | { | |
285 | /* The string we are demangling. */ | |
286 | const char *s; | |
287 | /* The options passed to the demangler. */ | |
288 | int options; | |
289 | /* The next character in the string to consider. */ | |
290 | const char *n; | |
291 | /* The array of components. */ | |
292 | struct d_comp *comps; | |
293 | /* The index of the next available component. */ | |
294 | int next_comp; | |
295 | /* The number of available component structures. */ | |
296 | int num_comps; | |
297 | /* The array of substitutions. */ | |
298 | struct d_comp **subs; | |
299 | /* The index of the next substitution. */ | |
300 | int next_sub; | |
301 | /* The number of available entries in the subs array. */ | |
302 | int num_subs; | |
303 | /* The last name we saw, for constructors and destructors. */ | |
304 | struct d_comp *last_name; | |
305 | }; | |
69afa80d | 306 | |
bd6946d1 ILT |
307 | #define d_peek_char(di) (*((di)->n)) |
308 | #define d_peek_next_char(di) ((di)->n[1]) | |
309 | #define d_advance(di, i) ((di)->n += (i)) | |
310 | #define d_next_char(di) (*((di)->n++)) | |
311 | #define d_str(di) ((di)->n) | |
69afa80d | 312 | |
bd6946d1 | 313 | /* A list of templates. This is used while printing. */ |
69afa80d | 314 | |
bd6946d1 ILT |
315 | struct d_print_template |
316 | { | |
317 | /* Next template on the list. */ | |
318 | struct d_print_template *next; | |
319 | /* This template. */ | |
320 | const struct d_comp *template; | |
321 | }; | |
69afa80d | 322 | |
bd6946d1 | 323 | /* A list of type modifiers. This is used while printing. */ |
69afa80d | 324 | |
bd6946d1 ILT |
325 | struct d_print_mod |
326 | { | |
327 | /* Next modifier on the list. These are in the reverse of the order | |
328 | in which they appeared in the mangled string. */ | |
329 | struct d_print_mod *next; | |
330 | /* The modifier. */ | |
331 | const struct d_comp *mod; | |
332 | /* Whether this modifier was printed. */ | |
333 | int printed; | |
334 | }; | |
69afa80d | 335 | |
bd6946d1 ILT |
336 | /* We use this structure to hold information during printing. */ |
337 | ||
338 | struct d_print_info | |
339 | { | |
340 | /* The options passed to the demangler. */ | |
341 | int options; | |
342 | /* Buffer holding the result. */ | |
343 | char *buf; | |
344 | /* Current length of data in buffer. */ | |
345 | size_t len; | |
346 | /* Allocated size of buffer. */ | |
347 | size_t alc; | |
348 | /* The current list of templates, if any. */ | |
349 | struct d_print_template *templates; | |
350 | /* The current list of modifiers (e.g., pointer, reference, etc.), | |
351 | if any. */ | |
352 | struct d_print_mod *modifiers; | |
353 | /* Set to 1 if we had a memory allocation failure. */ | |
354 | int allocation_failure; | |
355 | }; | |
7dce2eff | 356 | |
bd6946d1 | 357 | #define d_print_saw_error(dpi) ((dpi)->buf == NULL) |
7dce2eff | 358 | |
bd6946d1 ILT |
359 | #define d_append_char(dpi, c) \ |
360 | do \ | |
361 | { \ | |
362 | if ((dpi)->buf != NULL && (dpi)->len < (dpi)->alc) \ | |
363 | (dpi)->buf[(dpi)->len++] = (c); \ | |
364 | else \ | |
365 | d_print_append_char ((dpi), (c)); \ | |
366 | } \ | |
367 | while (0) | |
7dce2eff | 368 | |
bd6946d1 ILT |
369 | #define d_append_buffer(dpi, s, l) \ |
370 | do \ | |
371 | { \ | |
372 | if ((dpi)->buf != NULL && (dpi)->len + (l) <= (dpi)->alc) \ | |
373 | { \ | |
374 | memcpy ((dpi)->buf + (dpi)->len, (s), (l)); \ | |
375 | (dpi)->len += l; \ | |
376 | } \ | |
377 | else \ | |
378 | d_print_append_buffer ((dpi), (s), (l)); \ | |
379 | } \ | |
380 | while (0) | |
69afa80d | 381 | |
bd6946d1 ILT |
382 | #define d_append_string(dpi, s) \ |
383 | do \ | |
384 | { \ | |
385 | size_t d_append_string_len = strlen (s); \ | |
386 | d_append_buffer ((dpi), (s), d_append_string_len); \ | |
387 | } \ | |
051664b0 | 388 | while (0) |
69afa80d | 389 | |
69afa80d | 390 | #ifdef CP_DEMANGLE_DEBUG |
bd6946d1 | 391 | static void d_dump PARAMS ((struct d_comp *, int)); |
69afa80d | 392 | #endif |
bd6946d1 ILT |
393 | static struct d_comp *d_make_empty PARAMS ((struct d_info *, |
394 | enum d_comp_type)); | |
395 | static struct d_comp *d_make_comp PARAMS ((struct d_info *, enum d_comp_type, | |
396 | struct d_comp *, struct d_comp *)); | |
397 | static struct d_comp *d_make_name PARAMS ((struct d_info *, const char *, | |
398 | int)); | |
399 | static struct d_comp *d_make_builtin_type PARAMS ((struct d_info *, | |
400 | const struct d_builtin_type_info *)); | |
401 | static struct d_comp *d_make_operator PARAMS ((struct d_info *, | |
402 | const struct d_operator_info *)); | |
403 | static struct d_comp *d_make_extended_operator PARAMS ((struct d_info *, | |
404 | int, | |
405 | struct d_comp *)); | |
406 | static struct d_comp *d_make_ctor PARAMS ((struct d_info *, | |
407 | enum gnu_v3_ctor_kinds, | |
408 | struct d_comp *)); | |
409 | static struct d_comp *d_make_dtor PARAMS ((struct d_info *, | |
410 | enum gnu_v3_dtor_kinds, | |
411 | struct d_comp *)); | |
412 | static struct d_comp *d_make_template_param PARAMS ((struct d_info *, long)); | |
413 | static struct d_comp *d_make_sub PARAMS ((struct d_info *, const char *)); | |
414 | static struct d_comp *d_mangled_name PARAMS ((struct d_info *)); | |
415 | static int has_return_type PARAMS ((struct d_comp *)); | |
416 | static int is_ctor_dtor_or_conversion PARAMS ((struct d_comp *)); | |
417 | static struct d_comp *d_encoding PARAMS ((struct d_info *)); | |
418 | static struct d_comp *d_name PARAMS ((struct d_info *)); | |
419 | static struct d_comp *d_nested_name PARAMS ((struct d_info *)); | |
420 | static struct d_comp *d_prefix PARAMS ((struct d_info *)); | |
421 | static struct d_comp *d_unqualified_name PARAMS ((struct d_info *)); | |
422 | static struct d_comp *d_source_name PARAMS ((struct d_info *)); | |
423 | static long d_number PARAMS ((struct d_info *)); | |
424 | static struct d_comp *d_identifier PARAMS ((struct d_info *, int)); | |
425 | static struct d_comp *d_operator_name PARAMS ((struct d_info *)); | |
426 | static struct d_comp *d_special_name PARAMS ((struct d_info *)); | |
427 | static int d_call_offset PARAMS ((struct d_info *, int)); | |
428 | static struct d_comp *d_ctor_dtor_name PARAMS ((struct d_info *)); | |
429 | static struct d_comp *d_type PARAMS ((struct d_info *)); | |
430 | static struct d_comp **d_cv_qualifiers PARAMS ((struct d_info *, | |
431 | struct d_comp **)); | |
432 | static struct d_comp *d_function_type PARAMS ((struct d_info *)); | |
433 | static struct d_comp *d_bare_function_type PARAMS ((struct d_info *, int)); | |
434 | static struct d_comp *d_class_enum_type PARAMS ((struct d_info *)); | |
435 | static struct d_comp *d_array_type PARAMS ((struct d_info *)); | |
436 | static struct d_comp *d_pointer_to_member_type PARAMS ((struct d_info *)); | |
437 | static struct d_comp *d_template_param PARAMS ((struct d_info *)); | |
438 | static struct d_comp *d_template_args PARAMS ((struct d_info *)); | |
439 | static struct d_comp *d_template_arg PARAMS ((struct d_info *)); | |
440 | static struct d_comp *d_expression PARAMS ((struct d_info *)); | |
441 | static struct d_comp *d_expr_primary PARAMS ((struct d_info *)); | |
442 | static struct d_comp *d_local_name PARAMS ((struct d_info *)); | |
443 | static int d_discriminator PARAMS ((struct d_info *)); | |
444 | static int d_add_substitution PARAMS ((struct d_info *, struct d_comp *)); | |
445 | static struct d_comp *d_substitution PARAMS ((struct d_info *)); | |
446 | static void d_print_resize PARAMS ((struct d_print_info *, size_t)); | |
447 | static void d_print_append_char PARAMS ((struct d_print_info *, int)); | |
448 | static void d_print_append_buffer PARAMS ((struct d_print_info *, const char *, | |
449 | size_t)); | |
450 | static void d_print_error PARAMS ((struct d_print_info *)); | |
451 | static char *d_print PARAMS ((int, const struct d_comp *, size_t *)); | |
452 | static void d_print_comp PARAMS ((struct d_print_info *, | |
453 | const struct d_comp *)); | |
454 | static void d_print_identifier PARAMS ((struct d_print_info *, const char *, | |
455 | int)); | |
456 | static void d_print_mod_list PARAMS ((struct d_print_info *, | |
457 | struct d_print_mod *)); | |
458 | static void d_print_mod PARAMS ((struct d_print_info *, | |
459 | const struct d_comp *)); | |
460 | static void d_print_function_type PARAMS ((struct d_print_info *, | |
461 | const struct d_comp *, | |
462 | struct d_print_mod *)); | |
463 | static void d_print_array_type PARAMS ((struct d_print_info *, | |
464 | const struct d_comp *, | |
465 | struct d_print_mod *)); | |
466 | static void d_print_expr_op PARAMS ((struct d_print_info *, | |
467 | const struct d_comp *)); | |
468 | static void d_print_cast PARAMS ((struct d_print_info *, | |
469 | const struct d_comp *)); | |
470 | static int d_init_info PARAMS ((const char *, int, size_t, struct d_info *)); | |
471 | static char *d_demangle PARAMS ((const char *, int, size_t *)); | |
472 | ||
69afa80d | 473 | #ifdef CP_DEMANGLE_DEBUG |
bd6946d1 ILT |
474 | |
475 | static void | |
476 | d_dump (dc, indent) | |
477 | struct d_comp *dc; | |
478 | int indent; | |
69afa80d AS |
479 | { |
480 | int i; | |
69afa80d | 481 | |
bd6946d1 ILT |
482 | if (dc == NULL) |
483 | return; | |
484 | ||
485 | for (i = 0; i < indent; ++i) | |
486 | putchar (' '); | |
487 | ||
488 | switch (dc->type) | |
489 | { | |
490 | case D_COMP_NAME: | |
491 | printf ("name '%.*s'\n", dc->u.s_name.len, dc->u.s_name.s); | |
492 | return; | |
493 | case D_COMP_TEMPLATE_PARAM: | |
494 | printf ("template parameter %ld\n", dc->u.s_number.number); | |
495 | return; | |
496 | case D_COMP_CTOR: | |
497 | printf ("constructor %d\n", (int) dc->u.s_ctor.kind); | |
498 | d_dump (dc->u.s_ctor.name, indent + 2); | |
499 | return; | |
500 | case D_COMP_DTOR: | |
501 | printf ("destructor %d\n", (int) dc->u.s_dtor.kind); | |
502 | d_dump (dc->u.s_dtor.name, indent + 2); | |
503 | return; | |
504 | case D_COMP_SUB_STD: | |
505 | printf ("standard substitution %s\n", dc->u.s_string.string); | |
506 | return; | |
507 | case D_COMP_BUILTIN_TYPE: | |
508 | printf ("builtin type %s\n", dc->u.s_builtin.type->name); | |
509 | return; | |
510 | case D_COMP_OPERATOR: | |
511 | printf ("operator %s\n", dc->u.s_operator.op->name); | |
512 | return; | |
513 | case D_COMP_EXTENDED_OPERATOR: | |
514 | printf ("extended operator with %d args\n", | |
515 | dc->u.s_extended_operator.args); | |
516 | d_dump (dc->u.s_extended_operator.name, indent + 2); | |
517 | return; | |
518 | ||
519 | case D_COMP_QUAL_NAME: | |
520 | printf ("qualified name\n"); | |
521 | break; | |
522 | case D_COMP_TYPED_NAME: | |
523 | printf ("typed name\n"); | |
524 | break; | |
525 | case D_COMP_TEMPLATE: | |
526 | printf ("template\n"); | |
527 | break; | |
528 | case D_COMP_VTABLE: | |
529 | printf ("vtable\n"); | |
530 | break; | |
531 | case D_COMP_VTT: | |
532 | printf ("VTT\n"); | |
533 | break; | |
534 | case D_COMP_CONSTRUCTION_VTABLE: | |
535 | printf ("construction vtable\n"); | |
536 | break; | |
537 | case D_COMP_TYPEINFO: | |
538 | printf ("typeinfo\n"); | |
539 | break; | |
540 | case D_COMP_TYPEINFO_NAME: | |
541 | printf ("typeinfo name\n"); | |
542 | break; | |
543 | case D_COMP_TYPEINFO_FN: | |
544 | printf ("typeinfo function\n"); | |
545 | break; | |
546 | case D_COMP_THUNK: | |
547 | printf ("thunk\n"); | |
548 | break; | |
549 | case D_COMP_VIRTUAL_THUNK: | |
550 | printf ("virtual thunk\n"); | |
551 | break; | |
552 | case D_COMP_COVARIANT_THUNK: | |
553 | printf ("covariant thunk\n"); | |
554 | break; | |
555 | case D_COMP_JAVA_CLASS: | |
556 | printf ("java class\n"); | |
557 | break; | |
558 | case D_COMP_GUARD: | |
559 | printf ("guard\n"); | |
560 | break; | |
561 | case D_COMP_REFTEMP: | |
562 | printf ("reference temporary\n"); | |
563 | break; | |
564 | case D_COMP_RESTRICT: | |
565 | printf ("restrict\n"); | |
566 | break; | |
567 | case D_COMP_VOLATILE: | |
568 | printf ("volatile\n"); | |
569 | break; | |
570 | case D_COMP_CONST: | |
571 | printf ("const\n"); | |
572 | break; | |
573 | case D_COMP_VENDOR_TYPE_QUAL: | |
574 | printf ("vendor type qualifier\n"); | |
575 | break; | |
576 | case D_COMP_POINTER: | |
577 | printf ("pointer\n"); | |
578 | break; | |
579 | case D_COMP_REFERENCE: | |
580 | printf ("reference\n"); | |
581 | break; | |
582 | case D_COMP_COMPLEX: | |
583 | printf ("complex\n"); | |
584 | break; | |
585 | case D_COMP_IMAGINARY: | |
586 | printf ("imaginary\n"); | |
587 | break; | |
588 | case D_COMP_VENDOR_TYPE: | |
589 | printf ("vendor type\n"); | |
590 | break; | |
591 | case D_COMP_FUNCTION_TYPE: | |
592 | printf ("function type\n"); | |
593 | break; | |
594 | case D_COMP_ARRAY_TYPE: | |
595 | printf ("array type\n"); | |
596 | break; | |
597 | case D_COMP_PTRMEM_TYPE: | |
598 | printf ("pointer to member type\n"); | |
599 | break; | |
600 | case D_COMP_ARGLIST: | |
601 | printf ("argument list\n"); | |
602 | break; | |
603 | case D_COMP_TEMPLATE_ARGLIST: | |
604 | printf ("template argument list\n"); | |
605 | break; | |
606 | case D_COMP_CAST: | |
607 | printf ("cast\n"); | |
608 | break; | |
609 | case D_COMP_UNARY: | |
610 | printf ("unary operator\n"); | |
611 | break; | |
612 | case D_COMP_BINARY: | |
613 | printf ("binary operator\n"); | |
614 | break; | |
615 | case D_COMP_BINARY_ARGS: | |
616 | printf ("binary operator arguments\n"); | |
617 | break; | |
618 | case D_COMP_TRINARY: | |
619 | printf ("trinary operator\n"); | |
620 | break; | |
621 | case D_COMP_TRINARY_ARG1: | |
622 | printf ("trinary operator arguments 1\n"); | |
623 | break; | |
624 | case D_COMP_TRINARY_ARG2: | |
625 | printf ("trinary operator arguments 1\n"); | |
626 | break; | |
627 | case D_COMP_LITERAL: | |
628 | printf ("literal\n"); | |
629 | break; | |
69afa80d AS |
630 | } |
631 | ||
bd6946d1 ILT |
632 | d_dump (d_left (dc), indent + 2); |
633 | d_dump (d_right (dc), indent + 2); | |
634 | } | |
635 | ||
636 | #endif /* CP_DEMANGLE_DEBUG */ | |
637 | ||
638 | /* Add a new component. */ | |
639 | ||
640 | static struct d_comp * | |
641 | d_make_empty (di, type) | |
642 | struct d_info *di; | |
643 | enum d_comp_type type; | |
644 | { | |
645 | struct d_comp *p; | |
646 | ||
647 | if (di->next_comp >= di->num_comps) | |
648 | return NULL; | |
649 | p = &di->comps[di->next_comp]; | |
650 | p->type = type; | |
651 | ++di->next_comp; | |
652 | return p; | |
653 | } | |
654 | ||
655 | /* Add a new generic component. */ | |
656 | ||
657 | static struct d_comp * | |
658 | d_make_comp (di, type, left, right) | |
659 | struct d_info *di; | |
660 | enum d_comp_type type; | |
661 | struct d_comp *left; | |
662 | struct d_comp *right; | |
663 | { | |
664 | struct d_comp *p; | |
665 | ||
666 | /* We check for errors here. A typical error would be a NULL return | |
667 | from a subroutine. We catch here, and return NULL on upward. */ | |
668 | switch (type) | |
669 | { | |
670 | /* These types require two parameters. */ | |
671 | case D_COMP_QUAL_NAME: | |
672 | case D_COMP_TYPED_NAME: | |
673 | case D_COMP_TEMPLATE: | |
674 | case D_COMP_VENDOR_TYPE_QUAL: | |
675 | case D_COMP_PTRMEM_TYPE: | |
676 | case D_COMP_UNARY: | |
677 | case D_COMP_BINARY: | |
678 | case D_COMP_BINARY_ARGS: | |
679 | case D_COMP_TRINARY: | |
680 | case D_COMP_TRINARY_ARG1: | |
681 | case D_COMP_TRINARY_ARG2: | |
682 | case D_COMP_LITERAL: | |
683 | if (left == NULL || right == NULL) | |
684 | return NULL; | |
685 | break; | |
686 | ||
687 | /* These types only require one parameter. */ | |
688 | case D_COMP_VTABLE: | |
689 | case D_COMP_VTT: | |
690 | case D_COMP_CONSTRUCTION_VTABLE: | |
691 | case D_COMP_TYPEINFO: | |
692 | case D_COMP_TYPEINFO_NAME: | |
693 | case D_COMP_TYPEINFO_FN: | |
694 | case D_COMP_THUNK: | |
695 | case D_COMP_VIRTUAL_THUNK: | |
696 | case D_COMP_COVARIANT_THUNK: | |
697 | case D_COMP_JAVA_CLASS: | |
698 | case D_COMP_GUARD: | |
699 | case D_COMP_REFTEMP: | |
700 | case D_COMP_POINTER: | |
701 | case D_COMP_REFERENCE: | |
702 | case D_COMP_COMPLEX: | |
703 | case D_COMP_IMAGINARY: | |
704 | case D_COMP_VENDOR_TYPE: | |
705 | case D_COMP_ARGLIST: | |
706 | case D_COMP_TEMPLATE_ARGLIST: | |
707 | case D_COMP_CAST: | |
708 | if (left == NULL) | |
709 | return NULL; | |
710 | break; | |
711 | ||
712 | /* This needs a right parameter, but the left parameter can be | |
713 | empty. */ | |
714 | case D_COMP_ARRAY_TYPE: | |
715 | if (right == NULL) | |
716 | return NULL; | |
717 | break; | |
718 | ||
719 | /* These are allowed to have no parameters--in some cases they | |
720 | will be filled in later. */ | |
721 | case D_COMP_FUNCTION_TYPE: | |
722 | case D_COMP_RESTRICT: | |
723 | case D_COMP_VOLATILE: | |
724 | case D_COMP_CONST: | |
725 | break; | |
726 | ||
727 | /* Other types should not be seen here. */ | |
728 | default: | |
729 | return NULL; | |
69afa80d | 730 | } |
bd6946d1 ILT |
731 | |
732 | p = d_make_empty (di, type); | |
733 | if (p != NULL) | |
69afa80d | 734 | { |
bd6946d1 ILT |
735 | p->u.s_binary.left = left; |
736 | p->u.s_binary.right = right; | |
69afa80d | 737 | } |
bd6946d1 ILT |
738 | return p; |
739 | } | |
69afa80d | 740 | |
bd6946d1 | 741 | /* Add a new name component. */ |
051664b0 | 742 | |
bd6946d1 ILT |
743 | static struct d_comp * |
744 | d_make_name (di, s, len) | |
745 | struct d_info *di; | |
746 | const char *s; | |
747 | int len; | |
748 | { | |
749 | struct d_comp *p; | |
051664b0 | 750 | |
bd6946d1 ILT |
751 | p = d_make_empty (di, D_COMP_NAME); |
752 | if (p != NULL) | |
753 | { | |
754 | p->u.s_name.s = s; | |
755 | p->u.s_name.len = len; | |
69afa80d | 756 | } |
bd6946d1 | 757 | return p; |
69afa80d AS |
758 | } |
759 | ||
bd6946d1 | 760 | /* Add a new builtin type component. */ |
69afa80d | 761 | |
bd6946d1 ILT |
762 | static struct d_comp * |
763 | d_make_builtin_type (di, type) | |
764 | struct d_info *di; | |
765 | const struct d_builtin_type_info *type; | |
69afa80d | 766 | { |
bd6946d1 ILT |
767 | struct d_comp *p; |
768 | ||
769 | p = d_make_empty (di, D_COMP_BUILTIN_TYPE); | |
770 | if (p != NULL) | |
771 | p->u.s_builtin.type = type; | |
772 | return p; | |
773 | } | |
69afa80d | 774 | |
bd6946d1 | 775 | /* Add a new operator component. */ |
69afa80d | 776 | |
bd6946d1 ILT |
777 | static struct d_comp * |
778 | d_make_operator (di, op) | |
779 | struct d_info *di; | |
780 | const struct d_operator_info *op; | |
69afa80d | 781 | { |
bd6946d1 ILT |
782 | struct d_comp *p; |
783 | ||
784 | p = d_make_empty (di, D_COMP_OPERATOR); | |
785 | if (p != NULL) | |
786 | p->u.s_operator.op = op; | |
787 | return p; | |
69afa80d AS |
788 | } |
789 | ||
bd6946d1 | 790 | /* Add a new extended operator component. */ |
69afa80d | 791 | |
bd6946d1 ILT |
792 | static struct d_comp * |
793 | d_make_extended_operator (di, args, name) | |
794 | struct d_info *di; | |
795 | int args; | |
796 | struct d_comp *name; | |
69afa80d | 797 | { |
bd6946d1 | 798 | struct d_comp *p; |
051664b0 | 799 | |
bd6946d1 ILT |
800 | p = d_make_empty (di, D_COMP_EXTENDED_OPERATOR); |
801 | if (p != NULL) | |
802 | { | |
803 | p->u.s_extended_operator.args = args; | |
804 | p->u.s_extended_operator.name = name; | |
805 | } | |
806 | return p; | |
69afa80d AS |
807 | } |
808 | ||
bd6946d1 | 809 | /* Add a new constructor component. */ |
69afa80d | 810 | |
bd6946d1 ILT |
811 | static struct d_comp * |
812 | d_make_ctor (di, kind, name) | |
813 | struct d_info *di; | |
814 | enum gnu_v3_ctor_kinds kind; | |
815 | struct d_comp *name; | |
69afa80d | 816 | { |
bd6946d1 ILT |
817 | struct d_comp *p; |
818 | ||
819 | p = d_make_empty (di, D_COMP_CTOR); | |
820 | if (p != NULL) | |
821 | { | |
822 | p->u.s_ctor.kind = kind; | |
823 | p->u.s_ctor.name = name; | |
824 | } | |
825 | return p; | |
69afa80d AS |
826 | } |
827 | ||
bd6946d1 | 828 | /* Add a new destructor component. */ |
69afa80d | 829 | |
bd6946d1 ILT |
830 | static struct d_comp * |
831 | d_make_dtor (di, kind, name) | |
832 | struct d_info *di; | |
833 | enum gnu_v3_dtor_kinds kind; | |
834 | struct d_comp *name; | |
69afa80d | 835 | { |
bd6946d1 ILT |
836 | struct d_comp *p; |
837 | ||
838 | p = d_make_empty (di, D_COMP_DTOR); | |
839 | if (p != NULL) | |
840 | { | |
841 | p->u.s_dtor.kind = kind; | |
842 | p->u.s_dtor.name = name; | |
843 | } | |
844 | return p; | |
69afa80d AS |
845 | } |
846 | ||
bd6946d1 | 847 | /* Add a new template parameter. */ |
0870bfd6 | 848 | |
bd6946d1 ILT |
849 | static struct d_comp * |
850 | d_make_template_param (di, i) | |
851 | struct d_info *di; | |
852 | long i; | |
0870bfd6 | 853 | { |
bd6946d1 ILT |
854 | struct d_comp *p; |
855 | ||
856 | p = d_make_empty (di, D_COMP_TEMPLATE_PARAM); | |
857 | if (p != NULL) | |
858 | p->u.s_number.number = i; | |
859 | return p; | |
0870bfd6 AS |
860 | } |
861 | ||
bd6946d1 | 862 | /* Add a new standard substitution component. */ |
0870bfd6 | 863 | |
bd6946d1 ILT |
864 | static struct d_comp * |
865 | d_make_sub (di, name) | |
866 | struct d_info *di; | |
867 | const char *name; | |
0870bfd6 | 868 | { |
bd6946d1 ILT |
869 | struct d_comp *p; |
870 | ||
871 | p = d_make_empty (di, D_COMP_SUB_STD); | |
872 | if (p != NULL) | |
873 | p->u.s_string.string = name; | |
874 | return p; | |
0870bfd6 AS |
875 | } |
876 | ||
bd6946d1 | 877 | /* <mangled-name> ::= _Z <encoding> */ |
0870bfd6 | 878 | |
bd6946d1 ILT |
879 | static struct d_comp * |
880 | d_mangled_name (di) | |
881 | struct d_info *di; | |
0870bfd6 | 882 | { |
bd6946d1 ILT |
883 | if (d_next_char (di) != '_') |
884 | return NULL; | |
885 | if (d_next_char (di) != 'Z') | |
886 | return NULL; | |
887 | return d_encoding (di); | |
0870bfd6 AS |
888 | } |
889 | ||
bd6946d1 ILT |
890 | /* Return whether a function should have a return type. The argument |
891 | is the function name, which may be qualified in various ways. The | |
892 | rules are that template functions have return types with some | |
893 | exceptions, function types which are not part of a function name | |
894 | mangling have return types with some exceptions, and non-template | |
895 | function names do not have return types. The exceptions are that | |
896 | constructors, destructors, and conversion operators do not have | |
897 | return types. */ | |
0870bfd6 AS |
898 | |
899 | static int | |
bd6946d1 ILT |
900 | has_return_type (dc) |
901 | struct d_comp *dc; | |
0870bfd6 | 902 | { |
bd6946d1 ILT |
903 | if (dc == NULL) |
904 | return 0; | |
905 | switch (dc->type) | |
906 | { | |
907 | default: | |
908 | return 0; | |
909 | case D_COMP_TEMPLATE: | |
910 | return ! is_ctor_dtor_or_conversion (d_left (dc)); | |
911 | } | |
0870bfd6 AS |
912 | } |
913 | ||
bd6946d1 ILT |
914 | /* Return whether a name is a constructor, a destructor, or a |
915 | conversion operator. */ | |
69afa80d AS |
916 | |
917 | static int | |
bd6946d1 ILT |
918 | is_ctor_dtor_or_conversion (dc) |
919 | struct d_comp *dc; | |
69afa80d | 920 | { |
bd6946d1 ILT |
921 | if (dc == NULL) |
922 | return 0; | |
923 | switch (dc->type) | |
924 | { | |
925 | default: | |
926 | return 0; | |
927 | case D_COMP_QUAL_NAME: | |
928 | return is_ctor_dtor_or_conversion (d_right (dc)); | |
929 | case D_COMP_CTOR: | |
930 | case D_COMP_DTOR: | |
931 | case D_COMP_CAST: | |
932 | return 1; | |
933 | } | |
69afa80d AS |
934 | } |
935 | ||
bd6946d1 ILT |
936 | /* <encoding> ::= <(function) name> <bare-function-type> |
937 | ::= <(data) name> | |
938 | ::= <special-name> */ | |
69afa80d | 939 | |
bd6946d1 ILT |
940 | static struct d_comp * |
941 | d_encoding (di) | |
942 | struct d_info *di; | |
69afa80d | 943 | { |
bd6946d1 | 944 | char peek = d_peek_char (di); |
051664b0 | 945 | |
bd6946d1 ILT |
946 | if (peek == 'G' || peek == 'T') |
947 | return d_special_name (di); | |
948 | else | |
051664b0 | 949 | { |
bd6946d1 ILT |
950 | struct d_comp *dc; |
951 | ||
952 | dc = d_name (di); | |
953 | peek = d_peek_char (di); | |
954 | if (peek == '\0' || peek == 'E') | |
955 | return dc; | |
956 | return d_make_comp (di, D_COMP_TYPED_NAME, dc, | |
957 | d_bare_function_type (di, has_return_type (dc))); | |
051664b0 | 958 | } |
bd6946d1 ILT |
959 | } |
960 | ||
961 | /* <name> ::= <nested-name> | |
962 | ::= <unscoped-name> | |
963 | ::= <unscoped-template-name> <template-args> | |
964 | ::= <local-name> | |
965 | ||
966 | <unscoped-name> ::= <unqualified-name> | |
967 | ::= St <unqualified-name> | |
69afa80d | 968 | |
bd6946d1 ILT |
969 | <unscoped-template-name> ::= <unscoped-name> |
970 | ::= <substitution> | |
971 | */ | |
972 | ||
973 | static struct d_comp * | |
974 | d_name (di) | |
975 | struct d_info *di; | |
976 | { | |
977 | char peek = d_peek_char (di); | |
978 | struct d_comp *dc; | |
979 | ||
980 | switch (peek) | |
69afa80d | 981 | { |
bd6946d1 ILT |
982 | case 'N': |
983 | return d_nested_name (di); | |
984 | ||
985 | case 'Z': | |
986 | return d_local_name (di); | |
987 | ||
988 | case 'S': | |
989 | { | |
990 | int subst; | |
991 | ||
992 | if (d_peek_next_char (di) != 't') | |
993 | { | |
994 | dc = d_substitution (di); | |
995 | subst = 1; | |
996 | } | |
997 | else | |
998 | { | |
999 | d_advance (di, 2); | |
1000 | dc = d_make_comp (di, D_COMP_QUAL_NAME, d_make_name (di, "std", 3), | |
1001 | d_unqualified_name (di)); | |
1002 | subst = 0; | |
1003 | } | |
1004 | ||
1005 | if (d_peek_char (di) != 'I') | |
1006 | { | |
1007 | /* The grammar does not permit this case to occur if we | |
1008 | called d_substitution() above (i.e., subst == 1). We | |
1009 | don't bother to check. */ | |
1010 | } | |
1011 | else | |
1012 | { | |
1013 | /* This is <template-args>, which means that we just saw | |
1014 | <unscoped-template-name>, which is a substitution | |
1015 | candidate if we didn't just get it from a | |
1016 | substitution. */ | |
1017 | if (! subst) | |
1018 | { | |
1019 | if (! d_add_substitution (di, dc)) | |
1020 | return NULL; | |
1021 | } | |
1022 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
1023 | } | |
1024 | ||
1025 | return dc; | |
1026 | } | |
1027 | ||
1028 | default: | |
1029 | dc = d_unqualified_name (di); | |
1030 | if (d_peek_char (di) == 'I') | |
051664b0 | 1031 | { |
bd6946d1 ILT |
1032 | /* This is <template-args>, which means that we just saw |
1033 | <unscoped-template-name>, which is a substitution | |
1034 | candidate. */ | |
1035 | if (! d_add_substitution (di, dc)) | |
1036 | return NULL; | |
1037 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
051664b0 | 1038 | } |
bd6946d1 | 1039 | return dc; |
69afa80d | 1040 | } |
bd6946d1 | 1041 | } |
69afa80d | 1042 | |
bd6946d1 ILT |
1043 | /* <nested-name> ::= N [<CV-qualifiers>] <prefix> <unqualified-name> E |
1044 | ::= N [<CV-qualifiers>] <template-prefix> <template-args> E | |
1045 | */ | |
69afa80d | 1046 | |
bd6946d1 ILT |
1047 | static struct d_comp * |
1048 | d_nested_name (di) | |
1049 | struct d_info *di; | |
1050 | { | |
1051 | struct d_comp *ret; | |
1052 | struct d_comp **pret; | |
051664b0 | 1053 | |
bd6946d1 ILT |
1054 | if (d_next_char (di) != 'N') |
1055 | return NULL; | |
69afa80d | 1056 | |
bd6946d1 ILT |
1057 | pret = d_cv_qualifiers (di, &ret); |
1058 | if (pret == NULL) | |
1059 | return NULL; | |
1060 | ||
1061 | *pret = d_prefix (di); | |
1062 | if (*pret == NULL) | |
1063 | return NULL; | |
69afa80d | 1064 | |
bd6946d1 | 1065 | if (d_next_char (di) != 'E') |
69afa80d AS |
1066 | return NULL; |
1067 | ||
bd6946d1 | 1068 | return ret; |
69afa80d AS |
1069 | } |
1070 | ||
bd6946d1 ILT |
1071 | /* <prefix> ::= <prefix> <unqualified-name> |
1072 | ::= <template-prefix> <template-args> | |
1073 | ::= <template-param> | |
1074 | ::= | |
1075 | ::= <substitution> | |
69afa80d | 1076 | |
bd6946d1 ILT |
1077 | <template-prefix> ::= <prefix> <(template) unqualified-name> |
1078 | ::= <template-param> | |
1079 | ::= <substitution> | |
1080 | */ | |
1081 | ||
1082 | static struct d_comp * | |
1083 | d_prefix (di) | |
1084 | struct d_info *di; | |
69afa80d | 1085 | { |
bd6946d1 | 1086 | struct d_comp *ret = NULL; |
69afa80d | 1087 | |
bd6946d1 | 1088 | while (1) |
69afa80d | 1089 | { |
bd6946d1 ILT |
1090 | char peek; |
1091 | enum d_comp_type comb_type; | |
1092 | struct d_comp *dc; | |
1093 | ||
1094 | peek = d_peek_char (di); | |
1095 | if (peek == '\0') | |
1096 | return NULL; | |
1097 | ||
1098 | /* The older code accepts a <local-name> here, but I don't see | |
1099 | that in the grammar. The older code does not accept a | |
1100 | <template-param> here. */ | |
69afa80d | 1101 | |
bd6946d1 ILT |
1102 | comb_type = D_COMP_QUAL_NAME; |
1103 | if (IS_DIGIT (peek) | |
1104 | || (peek >= 'a' && peek <= 'z') | |
1105 | || peek == 'C' | |
1106 | || peek == 'D') | |
1107 | dc = d_unqualified_name (di); | |
1108 | else if (peek == 'S') | |
1109 | dc = d_substitution (di); | |
1110 | else if (peek == 'I') | |
1111 | { | |
1112 | if (ret == NULL) | |
1113 | return NULL; | |
1114 | comb_type = D_COMP_TEMPLATE; | |
1115 | dc = d_template_args (di); | |
1116 | } | |
1117 | else if (peek == 'T') | |
1118 | dc = d_template_param (di); | |
1119 | else if (peek == 'E') | |
1120 | return ret; | |
1121 | else | |
1122 | return NULL; | |
1123 | ||
1124 | if (ret == NULL) | |
1125 | ret = dc; | |
69afa80d | 1126 | else |
bd6946d1 ILT |
1127 | ret = d_make_comp (di, comb_type, ret, dc); |
1128 | ||
1129 | if (peek != 'S' && d_peek_char (di) != 'E') | |
1130 | { | |
1131 | if (! d_add_substitution (di, ret)) | |
1132 | return NULL; | |
1133 | } | |
69afa80d AS |
1134 | } |
1135 | } | |
1136 | ||
bd6946d1 ILT |
1137 | /* <unqualified-name> ::= <operator-name> |
1138 | ::= <ctor-dtor-name> | |
1139 | ::= <source-name> | |
1140 | */ | |
69afa80d | 1141 | |
bd6946d1 ILT |
1142 | static struct d_comp * |
1143 | d_unqualified_name (di) | |
1144 | struct d_info *di; | |
69afa80d | 1145 | { |
bd6946d1 ILT |
1146 | char peek; |
1147 | ||
1148 | peek = d_peek_char (di); | |
1149 | if (IS_DIGIT (peek)) | |
1150 | return d_source_name (di); | |
1151 | else if (peek >= 'a' && peek <= 'z') | |
1152 | return d_operator_name (di); | |
1153 | else if (peek == 'C' || peek == 'D') | |
1154 | return d_ctor_dtor_name (di); | |
1155 | else | |
051664b0 | 1156 | return NULL; |
69afa80d AS |
1157 | } |
1158 | ||
bd6946d1 | 1159 | /* <source-name> ::= <(positive length) number> <identifier> */ |
69afa80d | 1160 | |
bd6946d1 ILT |
1161 | static struct d_comp * |
1162 | d_source_name (di) | |
1163 | struct d_info *di; | |
69afa80d | 1164 | { |
bd6946d1 ILT |
1165 | long len; |
1166 | struct d_comp *ret; | |
1167 | ||
1168 | len = d_number (di); | |
1169 | if (len <= 0) | |
1170 | return NULL; | |
1171 | ret = d_identifier (di, len); | |
1172 | di->last_name = ret; | |
1173 | return ret; | |
69afa80d AS |
1174 | } |
1175 | ||
bd6946d1 | 1176 | /* number ::= [n] <(non-negative decimal integer)> */ |
69afa80d | 1177 | |
bd6946d1 ILT |
1178 | static long |
1179 | d_number (di) | |
1180 | struct d_info *di; | |
69afa80d | 1181 | { |
bd6946d1 ILT |
1182 | int sign; |
1183 | char peek; | |
1184 | long ret; | |
69afa80d | 1185 | |
bd6946d1 ILT |
1186 | sign = 1; |
1187 | peek = d_peek_char (di); | |
1188 | if (peek == 'n') | |
1189 | { | |
1190 | sign = -1; | |
1191 | d_advance (di, 1); | |
1192 | peek = d_peek_char (di); | |
1193 | } | |
69afa80d | 1194 | |
bd6946d1 ILT |
1195 | ret = 0; |
1196 | while (1) | |
69afa80d | 1197 | { |
bd6946d1 ILT |
1198 | if (! IS_DIGIT (peek)) |
1199 | return ret * sign; | |
1200 | ret = ret * 10 + peek - '0'; | |
1201 | d_advance (di, 1); | |
1202 | peek = d_peek_char (di); | |
69afa80d | 1203 | } |
69afa80d AS |
1204 | } |
1205 | ||
bd6946d1 | 1206 | /* identifier ::= <(unqualified source code identifier)> */ |
69afa80d | 1207 | |
bd6946d1 ILT |
1208 | static struct d_comp * |
1209 | d_identifier (di, len) | |
1210 | struct d_info *di; | |
1211 | int len; | |
69afa80d | 1212 | { |
bd6946d1 | 1213 | const char *name; |
69afa80d | 1214 | |
bd6946d1 ILT |
1215 | name = d_str (di); |
1216 | d_advance (di, len); | |
69afa80d | 1217 | |
bd6946d1 ILT |
1218 | /* Look for something which looks like a gcc encoding of an |
1219 | anonymous namespace, and replace it with a more user friendly | |
1220 | name. */ | |
1221 | if (len >= (int) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2 | |
1222 | && memcmp (name, ANONYMOUS_NAMESPACE_PREFIX, | |
1223 | ANONYMOUS_NAMESPACE_PREFIX_LEN) == 0) | |
69afa80d | 1224 | { |
bd6946d1 ILT |
1225 | const char *s; |
1226 | ||
1227 | s = name + ANONYMOUS_NAMESPACE_PREFIX_LEN; | |
1228 | if ((*s == '.' || *s == '_' || *s == '$') | |
1229 | && s[1] == 'N') | |
1230 | return d_make_name (di, "(anonymous namespace)", | |
1231 | sizeof "(anonymous namespace)" - 1); | |
69afa80d | 1232 | } |
bd6946d1 ILT |
1233 | |
1234 | return d_make_name (di, name, len); | |
69afa80d AS |
1235 | } |
1236 | ||
bd6946d1 ILT |
1237 | /* operator_name ::= many different two character encodings. |
1238 | ::= cv <type> | |
1239 | ::= v <digit> <source-name> | |
1240 | */ | |
69afa80d | 1241 | |
bd6946d1 ILT |
1242 | static const struct d_operator_info d_operators[] = |
1243 | { | |
1244 | { "aN", "&=", 2 }, | |
1245 | { "aS", "=", 2 }, | |
1246 | { "aa", "&&", 2 }, | |
1247 | { "ad", "&", 1 }, | |
1248 | { "an", "&", 2 }, | |
1249 | { "cl", "()", 0 }, | |
1250 | { "cm", ",", 2 }, | |
1251 | { "co", "~", 1 }, | |
1252 | { "dV", "/=", 2 }, | |
1253 | { "da", "delete[]", 1 }, | |
1254 | { "de", "*", 1 }, | |
1255 | { "dl", "delete", 1 }, | |
1256 | { "dv", "/", 2 }, | |
1257 | { "eO", "^=", 2 }, | |
1258 | { "eo", "^", 2 }, | |
1259 | { "eq", "==", 2 }, | |
1260 | { "ge", ">=", 2 }, | |
1261 | { "gt", ">", 2 }, | |
1262 | { "ix", "[]", 2 }, | |
1263 | { "lS", "<<=", 2 }, | |
1264 | { "le", "<=", 2 }, | |
1265 | { "ls", "<<", 2 }, | |
1266 | { "lt", "<", 2 }, | |
1267 | { "mI", "-=", 2 }, | |
1268 | { "mL", "*=", 2 }, | |
1269 | { "mi", "-", 2 }, | |
1270 | { "ml", "*", 2 }, | |
1271 | { "mm", "--", 1 }, | |
1272 | { "na", "new[]", 1 }, | |
1273 | { "ne", "!=", 2 }, | |
1274 | { "ng", "-", 1 }, | |
1275 | { "nt", "!", 1 }, | |
1276 | { "nw", "new", 1 }, | |
1277 | { "oR", "|=", 2 }, | |
1278 | { "oo", "||", 2 }, | |
1279 | { "or", "|", 2 }, | |
1280 | { "pL", "+=", 2 }, | |
1281 | { "pl", "+", 2 }, | |
1282 | { "pm", "->*", 2 }, | |
1283 | { "pp", "++", 1 }, | |
1284 | { "ps", "+", 1 }, | |
1285 | { "pt", "->", 2 }, | |
1286 | { "qu", "?", 3 }, | |
1287 | { "rM", "%=", 2 }, | |
1288 | { "rS", ">>=", 2 }, | |
1289 | { "rm", "%", 2 }, | |
1290 | { "rs", ">>", 2 }, | |
1291 | { "st", "sizeof ", 1 }, | |
1292 | { "sz", "sizeof ", 1 } | |
1293 | }; | |
69afa80d | 1294 | |
bd6946d1 ILT |
1295 | static struct d_comp * |
1296 | d_operator_name (di) | |
1297 | struct d_info *di; | |
69afa80d | 1298 | { |
bd6946d1 ILT |
1299 | char c1; |
1300 | char c2; | |
69afa80d | 1301 | |
bd6946d1 ILT |
1302 | c1 = d_next_char (di); |
1303 | c2 = d_next_char (di); | |
1304 | if (c1 == 'v' && IS_DIGIT (c2)) | |
1305 | return d_make_extended_operator (di, c2 - '0', d_source_name (di)); | |
1306 | else if (c1 == 'c' && c2 == 'v') | |
1307 | return d_make_comp (di, D_COMP_CAST, d_type (di), NULL); | |
1308 | else | |
69afa80d | 1309 | { |
bd6946d1 ILT |
1310 | int low = 0; |
1311 | int high = sizeof (d_operators) / sizeof (d_operators[0]); | |
69afa80d | 1312 | |
bd6946d1 ILT |
1313 | while (1) |
1314 | { | |
1315 | int i; | |
1316 | const struct d_operator_info *p; | |
69afa80d | 1317 | |
bd6946d1 ILT |
1318 | i = low + (high - low) / 2; |
1319 | p = d_operators + i; | |
69afa80d | 1320 | |
bd6946d1 ILT |
1321 | if (c1 == p->code[0] && c2 == p->code[1]) |
1322 | return d_make_operator (di, p); | |
1323 | ||
1324 | if (c1 < p->code[0] || (c1 == p->code[0] && c2 < p->code[1])) | |
1325 | high = i; | |
1326 | else | |
1327 | low = i + 1; | |
1328 | if (low == high) | |
1329 | return NULL; | |
1330 | } | |
1331 | } | |
69afa80d AS |
1332 | } |
1333 | ||
bd6946d1 ILT |
1334 | /* <special-name> ::= TV <type> |
1335 | ::= TT <type> | |
1336 | ::= TI <type> | |
1337 | ::= TS <type> | |
1338 | ::= GV <(object) name> | |
1339 | ::= T <call-offset> <(base) encoding> | |
1340 | ::= Tc <call-offset> <call-offset> <(base) encoding> | |
1341 | Also g++ extensions: | |
1342 | ::= TC <type> <(offset) number> _ <(base) type> | |
1343 | ::= TF <type> | |
1344 | ::= TJ <type> | |
1345 | ::= GR <name> | |
1346 | */ | |
69afa80d | 1347 | |
bd6946d1 ILT |
1348 | static struct d_comp * |
1349 | d_special_name (di) | |
1350 | struct d_info *di; | |
69afa80d | 1351 | { |
bd6946d1 | 1352 | char c; |
69afa80d | 1353 | |
bd6946d1 ILT |
1354 | c = d_next_char (di); |
1355 | if (c == 'T') | |
051664b0 | 1356 | { |
bd6946d1 ILT |
1357 | switch (d_next_char (di)) |
1358 | { | |
1359 | case 'V': | |
1360 | return d_make_comp (di, D_COMP_VTABLE, d_type (di), NULL); | |
1361 | case 'T': | |
1362 | return d_make_comp (di, D_COMP_VTT, d_type (di), NULL); | |
1363 | case 'I': | |
1364 | return d_make_comp (di, D_COMP_TYPEINFO, d_type (di), NULL); | |
1365 | case 'S': | |
1366 | return d_make_comp (di, D_COMP_TYPEINFO_NAME, d_type (di), NULL); | |
69afa80d | 1367 | |
bd6946d1 ILT |
1368 | case 'h': |
1369 | if (! d_call_offset (di, 'h')) | |
1370 | return NULL; | |
1371 | return d_make_comp (di, D_COMP_THUNK, d_encoding (di), NULL); | |
69afa80d | 1372 | |
bd6946d1 ILT |
1373 | case 'v': |
1374 | if (! d_call_offset (di, 'v')) | |
1375 | return NULL; | |
1376 | return d_make_comp (di, D_COMP_VIRTUAL_THUNK, d_encoding (di), | |
1377 | NULL); | |
69afa80d | 1378 | |
bd6946d1 ILT |
1379 | case 'c': |
1380 | if (! d_call_offset (di, '\0')) | |
1381 | return NULL; | |
1382 | if (! d_call_offset (di, '\0')) | |
1383 | return NULL; | |
1384 | return d_make_comp (di, D_COMP_COVARIANT_THUNK, d_encoding (di), | |
1385 | NULL); | |
69afa80d | 1386 | |
bd6946d1 ILT |
1387 | case 'C': |
1388 | { | |
1389 | struct d_comp *derived_type; | |
1390 | long offset; | |
1391 | struct d_comp *base_type; | |
1392 | ||
1393 | derived_type = d_type (di); | |
1394 | offset = d_number (di); | |
1395 | if (offset < 0) | |
1396 | return NULL; | |
1397 | if (d_next_char (di) != '_') | |
1398 | return NULL; | |
1399 | base_type = d_type (di); | |
1400 | /* We don't display the offset. FIXME: We should display | |
1401 | it in verbose mode. */ | |
1402 | return d_make_comp (di, D_COMP_CONSTRUCTION_VTABLE, base_type, | |
1403 | derived_type); | |
1404 | } | |
69afa80d | 1405 | |
bd6946d1 ILT |
1406 | case 'F': |
1407 | return d_make_comp (di, D_COMP_TYPEINFO_FN, d_type (di), NULL); | |
1408 | case 'J': | |
1409 | return d_make_comp (di, D_COMP_JAVA_CLASS, d_type (di), NULL); | |
69afa80d | 1410 | |
bd6946d1 ILT |
1411 | default: |
1412 | return NULL; | |
1413 | } | |
69afa80d | 1414 | } |
bd6946d1 | 1415 | else if (c == 'G') |
69afa80d | 1416 | { |
bd6946d1 ILT |
1417 | switch (d_next_char (di)) |
1418 | { | |
1419 | case 'V': | |
1420 | return d_make_comp (di, D_COMP_GUARD, d_name (di), NULL); | |
1421 | ||
1422 | case 'R': | |
1423 | return d_make_comp (di, D_COMP_REFTEMP, d_name (di), NULL); | |
1424 | ||
1425 | default: | |
1426 | return NULL; | |
1427 | } | |
69afa80d | 1428 | } |
bd6946d1 ILT |
1429 | else |
1430 | return NULL; | |
69afa80d AS |
1431 | } |
1432 | ||
bd6946d1 ILT |
1433 | /* <call-offset> ::= h <nv-offset> _ |
1434 | ::= v <v-offset> _ | |
69afa80d | 1435 | |
bd6946d1 | 1436 | <nv-offset> ::= <(offset) number> |
69afa80d | 1437 | |
bd6946d1 | 1438 | <v-offset> ::= <(offset) number> _ <(virtual offset) number> |
69afa80d | 1439 | |
bd6946d1 ILT |
1440 | The C parameter, if not '\0', is a character we just read which is |
1441 | the start of the <call-offset>. | |
69afa80d | 1442 | |
bd6946d1 ILT |
1443 | We don't display the offset information anywhere. FIXME: We should |
1444 | display it in verbose mode. */ | |
69afa80d | 1445 | |
bd6946d1 ILT |
1446 | static int |
1447 | d_call_offset (di, c) | |
1448 | struct d_info *di; | |
1449 | int c; | |
69afa80d | 1450 | { |
bd6946d1 ILT |
1451 | long offset; |
1452 | long virtual_offset; | |
69afa80d | 1453 | |
bd6946d1 ILT |
1454 | if (c == '\0') |
1455 | c = d_next_char (di); | |
69afa80d | 1456 | |
bd6946d1 ILT |
1457 | if (c == 'h') |
1458 | offset = d_number (di); | |
1459 | else if (c == 'v') | |
69afa80d | 1460 | { |
bd6946d1 ILT |
1461 | offset = d_number (di); |
1462 | if (d_next_char (di) != '_') | |
1463 | return 0; | |
1464 | virtual_offset = d_number (di); | |
69afa80d | 1465 | } |
bd6946d1 ILT |
1466 | else |
1467 | return 0; | |
69afa80d | 1468 | |
bd6946d1 ILT |
1469 | if (d_next_char (di) != '_') |
1470 | return 0; | |
69afa80d | 1471 | |
bd6946d1 | 1472 | return 1; |
69afa80d AS |
1473 | } |
1474 | ||
bd6946d1 ILT |
1475 | /* <ctor-dtor-name> ::= C1 |
1476 | ::= C2 | |
1477 | ::= C3 | |
1478 | ::= D0 | |
1479 | ::= D1 | |
1480 | ::= D2 | |
1481 | */ | |
1482 | ||
1483 | static struct d_comp * | |
1484 | d_ctor_dtor_name (di) | |
1485 | struct d_info *di; | |
1486 | { | |
1487 | switch (d_next_char (di)) | |
1488 | { | |
1489 | case 'C': | |
1490 | { | |
1491 | enum gnu_v3_ctor_kinds kind; | |
1492 | ||
1493 | switch (d_next_char (di)) | |
1494 | { | |
1495 | case '1': | |
1496 | kind = gnu_v3_complete_object_ctor; | |
1497 | break; | |
1498 | case '2': | |
1499 | kind = gnu_v3_base_object_ctor; | |
1500 | break; | |
1501 | case '3': | |
1502 | kind = gnu_v3_complete_object_allocating_ctor; | |
1503 | break; | |
1504 | default: | |
1505 | return NULL; | |
1506 | } | |
1507 | return d_make_ctor (di, kind, di->last_name); | |
1508 | } | |
1509 | ||
1510 | case 'D': | |
1511 | { | |
1512 | enum gnu_v3_dtor_kinds kind; | |
1513 | ||
1514 | switch (d_next_char (di)) | |
1515 | { | |
1516 | case '0': | |
1517 | kind = gnu_v3_deleting_dtor; | |
1518 | break; | |
1519 | case '1': | |
1520 | kind = gnu_v3_complete_object_dtor; | |
1521 | break; | |
1522 | case '2': | |
1523 | kind = gnu_v3_base_object_dtor; | |
1524 | break; | |
1525 | default: | |
1526 | return NULL; | |
1527 | } | |
1528 | return d_make_dtor (di, kind, di->last_name); | |
1529 | } | |
69afa80d | 1530 | |
bd6946d1 ILT |
1531 | default: |
1532 | return NULL; | |
1533 | } | |
1534 | } | |
69afa80d | 1535 | |
bd6946d1 ILT |
1536 | /* <type> ::= <builtin-type> |
1537 | ::= <function-type> | |
1538 | ::= <class-enum-type> | |
1539 | ::= <array-type> | |
1540 | ::= <pointer-to-member-type> | |
1541 | ::= <template-param> | |
1542 | ::= <template-template-param> <template-args> | |
1543 | ::= <substitution> | |
1544 | ::= <CV-qualifiers> <type> | |
1545 | ::= P <type> | |
1546 | ::= R <type> | |
1547 | ::= C <type> | |
1548 | ::= G <type> | |
1549 | ::= U <source-name> <type> | |
1550 | ||
1551 | <builtin-type> ::= various one letter codes | |
1552 | ::= u <source-name> | |
1553 | */ | |
69afa80d | 1554 | |
bd6946d1 ILT |
1555 | static const struct d_builtin_type_info d_builtin_types[26] = |
1556 | { | |
1557 | /* a */ { "signed char", "signed char", D_PRINT_INT }, | |
1558 | /* b */ { "bool", "boolean", D_PRINT_BOOL }, | |
1559 | /* c */ { "char", "byte", D_PRINT_INT }, | |
1560 | /* d */ { "double", "double", D_PRINT_DEFAULT }, | |
1561 | /* e */ { "long double", "long double", D_PRINT_DEFAULT }, | |
1562 | /* f */ { "float", "float", D_PRINT_DEFAULT }, | |
1563 | /* g */ { "__float128", "__float128", D_PRINT_DEFAULT }, | |
1564 | /* h */ { "unsigned char", "unsigned char", D_PRINT_INT }, | |
1565 | /* i */ { "int", "int", D_PRINT_INT }, | |
1566 | /* j */ { "unsigned int", "unsigned", D_PRINT_INT }, | |
1567 | /* k */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1568 | /* l */ { "long", "long", D_PRINT_LONG }, | |
1569 | /* m */ { "unsigned long", "unsigned long", D_PRINT_LONG }, | |
1570 | /* n */ { "__int128", "__int128", D_PRINT_DEFAULT }, | |
1571 | /* o */ { "unsigned __int128", "unsigned __int128", D_PRINT_DEFAULT }, | |
1572 | /* p */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1573 | /* q */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1574 | /* r */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1575 | /* s */ { "short", "short", D_PRINT_INT }, | |
1576 | /* t */ { "unsigned short", "unsigned short", D_PRINT_INT }, | |
1577 | /* u */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1578 | /* v */ { "void", "void", D_PRINT_VOID }, | |
1579 | /* w */ { "wchar_t", "char", D_PRINT_INT }, | |
1580 | /* x */ { "long long", "long", D_PRINT_DEFAULT }, | |
1581 | /* y */ { "unsigned long long", "unsigned long long", D_PRINT_DEFAULT }, | |
1582 | /* z */ { "...", "...", D_PRINT_DEFAULT }, | |
1583 | }; | |
69afa80d | 1584 | |
bd6946d1 ILT |
1585 | static struct d_comp * |
1586 | d_type (di) | |
1587 | struct d_info *di; | |
69afa80d | 1588 | { |
bd6946d1 ILT |
1589 | char peek; |
1590 | struct d_comp *ret; | |
1591 | int can_subst; | |
1592 | ||
1593 | /* The ABI specifies that when CV-qualifiers are used, the base type | |
1594 | is substitutable, and the fully qualified type is substitutable, | |
1595 | but the base type with a strict subset of the CV-qualifiers is | |
1596 | not substitutable. The natural recursive implementation of the | |
1597 | CV-qualifiers would cause subsets to be substitutable, so instead | |
1598 | we pull them all off now. | |
1599 | ||
1600 | FIXME: The ABI specifies that vendor qualifiers are handled just | |
1601 | like the standard CV-qualifiers with respect to subsetting and | |
1602 | substitution, but g++ does not appear to work this way. */ | |
1603 | ||
1604 | peek = d_peek_char (di); | |
1605 | if (peek == 'r' || peek == 'V' || peek == 'K') | |
1606 | { | |
1607 | struct d_comp **pret; | |
69afa80d | 1608 | |
bd6946d1 ILT |
1609 | pret = d_cv_qualifiers (di, &ret); |
1610 | *pret = d_type (di); | |
1611 | if (! d_add_substitution (di, ret)) | |
1612 | return NULL; | |
1613 | return ret; | |
1614 | } | |
1056d228 | 1615 | |
bd6946d1 | 1616 | can_subst = 1; |
69afa80d | 1617 | |
a440fd19 | 1618 | switch (peek) |
69afa80d | 1619 | { |
bd6946d1 ILT |
1620 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': |
1621 | case 'h': case 'i': case 'j': case 'l': case 'm': case 'n': | |
1622 | case 'o': case 's': case 't': | |
1623 | case 'v': case 'w': case 'x': case 'y': case 'z': | |
1624 | /* FIXME: The old demangler handles Java types here. */ | |
1625 | ret = d_make_builtin_type (di, &d_builtin_types[peek - 'a']); | |
1626 | can_subst = 0; | |
1627 | d_advance (di, 1); | |
1628 | break; | |
1629 | ||
1630 | case 'u': | |
1631 | d_advance (di, 1); | |
1632 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE, d_source_name (di), NULL); | |
1633 | break; | |
1634 | ||
1635 | case 'F': | |
1636 | ret = d_function_type (di); | |
69afa80d AS |
1637 | break; |
1638 | ||
bd6946d1 ILT |
1639 | case '0': case '1': case '2': case '3': case '4': |
1640 | case '5': case '6': case '7': case '8': case '9': | |
1641 | case 'N': | |
69afa80d | 1642 | case 'Z': |
bd6946d1 | 1643 | ret = d_class_enum_type (di); |
69afa80d AS |
1644 | break; |
1645 | ||
bd6946d1 ILT |
1646 | case 'A': |
1647 | ret = d_array_type (di); | |
1648 | break; | |
1649 | ||
1650 | case 'M': | |
1651 | ret = d_pointer_to_member_type (di); | |
1652 | break; | |
1653 | ||
1654 | case 'T': | |
1655 | ret = d_template_param (di); | |
1656 | if (d_peek_char (di) == 'I') | |
bece74bd | 1657 | { |
bd6946d1 ILT |
1658 | /* This is <template-template-param> <template-args>. The |
1659 | <template-template-param> part is a substitution | |
1660 | candidate. */ | |
1661 | if (! d_add_substitution (di, ret)) | |
1662 | return NULL; | |
1663 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, d_template_args (di)); | |
bece74bd | 1664 | } |
bd6946d1 ILT |
1665 | break; |
1666 | ||
1667 | case 'S': | |
1668 | /* If this is a special substitution, then it is the start of | |
1669 | <class-enum-type>. */ | |
1670 | { | |
1671 | char peek_next; | |
d01ce591 | 1672 | |
bd6946d1 ILT |
1673 | peek_next = d_peek_next_char (di); |
1674 | if (IS_DIGIT (peek_next) | |
1675 | || peek_next == '_' | |
1676 | || (peek_next >= 'A' && peek_next <= 'Z')) | |
1677 | { | |
1678 | ret = d_substitution (di); | |
1679 | /* The substituted name may have been a template name and | |
1680 | may be followed by tepmlate args. */ | |
1681 | if (d_peek_char (di) == 'I') | |
1682 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, | |
1683 | d_template_args (di)); | |
1684 | else | |
1685 | can_subst = 0; | |
1686 | } | |
1687 | else | |
1688 | { | |
1689 | ret = d_class_enum_type (di); | |
1690 | /* If the substitution was a complete type, then it is not | |
1691 | a new substitution candidate. However, if the | |
1692 | substitution was followed by template arguments, then | |
1693 | the whole thing is a substitution candidate. */ | |
1694 | if (ret->type == D_COMP_SUB_STD) | |
1695 | can_subst = 0; | |
1696 | } | |
1697 | } | |
69afa80d AS |
1698 | break; |
1699 | ||
bd6946d1 ILT |
1700 | case 'P': |
1701 | d_advance (di, 1); | |
1702 | ret = d_make_comp (di, D_COMP_POINTER, d_type (di), NULL); | |
1703 | break; | |
69afa80d | 1704 | |
bd6946d1 ILT |
1705 | case 'R': |
1706 | d_advance (di, 1); | |
1707 | ret = d_make_comp (di, D_COMP_REFERENCE, d_type (di), NULL); | |
1708 | break; | |
69afa80d | 1709 | |
bd6946d1 ILT |
1710 | case 'C': |
1711 | d_advance (di, 1); | |
1712 | ret = d_make_comp (di, D_COMP_COMPLEX, d_type (di), NULL); | |
1713 | break; | |
1714 | ||
1715 | case 'G': | |
1716 | d_advance (di, 1); | |
1717 | ret = d_make_comp (di, D_COMP_IMAGINARY, d_type (di), NULL); | |
1718 | break; | |
69afa80d | 1719 | |
bd6946d1 ILT |
1720 | case 'U': |
1721 | d_advance (di, 1); | |
1722 | ret = d_source_name (di); | |
1723 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE_QUAL, d_type (di), ret); | |
69afa80d | 1724 | break; |
bd6946d1 ILT |
1725 | |
1726 | default: | |
1727 | return NULL; | |
69afa80d AS |
1728 | } |
1729 | ||
bd6946d1 ILT |
1730 | if (can_subst) |
1731 | { | |
1732 | if (! d_add_substitution (di, ret)) | |
1733 | return NULL; | |
1734 | } | |
69afa80d | 1735 | |
bd6946d1 ILT |
1736 | return ret; |
1737 | } | |
69afa80d | 1738 | |
bd6946d1 | 1739 | /* <CV-qualifiers> ::= [r] [V] [K] */ |
69afa80d | 1740 | |
bd6946d1 ILT |
1741 | static struct d_comp ** |
1742 | d_cv_qualifiers (di, pret) | |
1743 | struct d_info *di; | |
1744 | struct d_comp **pret; | |
69afa80d AS |
1745 | { |
1746 | char peek; | |
1747 | ||
bd6946d1 ILT |
1748 | peek = d_peek_char (di); |
1749 | while (peek == 'r' || peek == 'V' || peek == 'K') | |
69afa80d | 1750 | { |
bd6946d1 | 1751 | enum d_comp_type t; |
0870bfd6 | 1752 | |
bd6946d1 ILT |
1753 | d_advance (di, 1); |
1754 | if (peek == 'r') | |
1755 | t = D_COMP_RESTRICT; | |
1756 | else if (peek == 'V') | |
1757 | t = D_COMP_VOLATILE; | |
1758 | else | |
1759 | t = D_COMP_CONST; | |
69afa80d | 1760 | |
bd6946d1 ILT |
1761 | *pret = d_make_comp (di, t, NULL, NULL); |
1762 | if (*pret == NULL) | |
1763 | return NULL; | |
1764 | pret = &d_left (*pret); | |
69afa80d | 1765 | |
bd6946d1 ILT |
1766 | peek = d_peek_char (di); |
1767 | } | |
69afa80d | 1768 | |
bd6946d1 ILT |
1769 | return pret; |
1770 | } | |
69afa80d | 1771 | |
bd6946d1 | 1772 | /* <function-type> ::= F [Y] <bare-function-type> E */ |
69afa80d | 1773 | |
bd6946d1 ILT |
1774 | static struct d_comp * |
1775 | d_function_type (di) | |
1776 | struct d_info *di; | |
69afa80d | 1777 | { |
bd6946d1 | 1778 | struct d_comp *ret; |
69afa80d | 1779 | |
bd6946d1 ILT |
1780 | if (d_next_char (di) != 'F') |
1781 | return NULL; | |
1782 | if (d_peek_char (di) == 'Y') | |
1783 | { | |
1784 | /* Function has C linkage. We don't print this information. | |
1785 | FIXME: We should print it in verbose mode. */ | |
1786 | d_advance (di, 1); | |
1787 | } | |
1788 | ret = d_bare_function_type (di, 1); | |
1789 | if (d_next_char (di) != 'E') | |
1790 | return NULL; | |
1791 | return ret; | |
1792 | } | |
e282c9c9 | 1793 | |
bd6946d1 | 1794 | /* <bare-function-type> ::= <type>+ */ |
69afa80d | 1795 | |
bd6946d1 ILT |
1796 | static struct d_comp * |
1797 | d_bare_function_type (di, has_return_type) | |
1798 | struct d_info *di; | |
1799 | int has_return_type; | |
1800 | { | |
1801 | struct d_comp *return_type; | |
1802 | struct d_comp *tl; | |
1803 | struct d_comp **ptl; | |
69afa80d | 1804 | |
bd6946d1 ILT |
1805 | return_type = NULL; |
1806 | tl = NULL; | |
1807 | ptl = &tl; | |
69afa80d AS |
1808 | while (1) |
1809 | { | |
1810 | char peek; | |
bd6946d1 | 1811 | struct d_comp *type; |
69afa80d | 1812 | |
bd6946d1 ILT |
1813 | peek = d_peek_char (di); |
1814 | if (peek == '\0' || peek == 'E') | |
1815 | break; | |
1816 | type = d_type (di); | |
1817 | if (type == NULL) | |
1818 | return NULL; | |
1819 | if (has_return_type) | |
69afa80d | 1820 | { |
bd6946d1 ILT |
1821 | return_type = type; |
1822 | has_return_type = 0; | |
69afa80d | 1823 | } |
bd6946d1 | 1824 | else |
69afa80d | 1825 | { |
bd6946d1 ILT |
1826 | *ptl = d_make_comp (di, D_COMP_ARGLIST, type, NULL); |
1827 | ptl = &d_right (*ptl); | |
69afa80d | 1828 | } |
69afa80d | 1829 | } |
69afa80d | 1830 | |
bd6946d1 ILT |
1831 | /* There should be at least one parameter type besides the optional |
1832 | return type. A function which takes no arguments will have a | |
1833 | single parameter type void. */ | |
1834 | if (tl == NULL) | |
1835 | return NULL; | |
69afa80d | 1836 | |
bd6946d1 ILT |
1837 | /* If we have a single parameter type void, omit it. */ |
1838 | if (d_right (tl) == NULL | |
1839 | && d_left (tl)->type == D_COMP_BUILTIN_TYPE | |
1840 | && d_left (tl)->u.s_builtin.type->print == D_PRINT_VOID) | |
1841 | tl = NULL; | |
69afa80d | 1842 | |
bd6946d1 ILT |
1843 | return d_make_comp (di, D_COMP_FUNCTION_TYPE, return_type, tl); |
1844 | } | |
69afa80d | 1845 | |
bd6946d1 | 1846 | /* <class-enum-type> ::= <name> */ |
69afa80d | 1847 | |
bd6946d1 ILT |
1848 | static struct d_comp * |
1849 | d_class_enum_type (di) | |
1850 | struct d_info *di; | |
1851 | { | |
1852 | return d_name (di); | |
1853 | } | |
1056d228 | 1854 | |
bd6946d1 ILT |
1855 | /* <array-type> ::= A <(positive dimension) number> _ <(element) type> |
1856 | ::= A [<(dimension) expression>] _ <(element) type> | |
1857 | */ | |
1056d228 | 1858 | |
bd6946d1 ILT |
1859 | static struct d_comp * |
1860 | d_array_type (di) | |
1861 | struct d_info *di; | |
1862 | { | |
1863 | char peek; | |
1864 | struct d_comp *dim; | |
1056d228 | 1865 | |
bd6946d1 ILT |
1866 | if (d_next_char (di) != 'A') |
1867 | return NULL; | |
1868 | ||
1869 | peek = d_peek_char (di); | |
1870 | if (peek == '_') | |
1871 | dim = NULL; | |
1872 | else if (IS_DIGIT (peek)) | |
1056d228 | 1873 | { |
bd6946d1 | 1874 | const char *s; |
1056d228 | 1875 | |
bd6946d1 ILT |
1876 | s = d_str (di); |
1877 | do | |
1878 | { | |
1879 | d_advance (di, 1); | |
1880 | peek = d_peek_char (di); | |
1881 | } | |
1882 | while (IS_DIGIT (peek)); | |
1883 | dim = d_make_name (di, s, d_str (di) - s); | |
1056d228 | 1884 | } |
69afa80d | 1885 | else |
bd6946d1 ILT |
1886 | { |
1887 | dim = d_expression (di); | |
1888 | if (dim == NULL) | |
1889 | return NULL; | |
1890 | } | |
69afa80d | 1891 | |
bd6946d1 ILT |
1892 | if (d_next_char (di) != '_') |
1893 | return NULL; | |
69afa80d | 1894 | |
bd6946d1 ILT |
1895 | return d_make_comp (di, D_COMP_ARRAY_TYPE, dim, d_type (di)); |
1896 | } | |
69afa80d | 1897 | |
bd6946d1 | 1898 | /* <pointer-to-member-type> ::= M <(class) type> <(member) type> */ |
69afa80d | 1899 | |
bd6946d1 ILT |
1900 | static struct d_comp * |
1901 | d_pointer_to_member_type (di) | |
1902 | struct d_info *di; | |
69afa80d | 1903 | { |
bd6946d1 ILT |
1904 | struct d_comp *cl; |
1905 | struct d_comp *mem; | |
1906 | struct d_comp **pmem; | |
69afa80d | 1907 | |
bd6946d1 ILT |
1908 | if (d_next_char (di) != 'M') |
1909 | return NULL; | |
69afa80d | 1910 | |
bd6946d1 | 1911 | cl = d_type (di); |
69afa80d | 1912 | |
bd6946d1 ILT |
1913 | /* The ABI specifies that any type can be a substitution source, and |
1914 | that M is followed by two types, and that when a CV-qualified | |
1915 | type is seen both the base type and the CV-qualified types are | |
1916 | substitution sources. The ABI also specifies that for a pointer | |
1917 | to a CV-qualified member function, the qualifiers are attached to | |
1918 | the second type. Given the grammar, a plain reading of the ABI | |
1919 | suggests that both the CV-qualified member function and the | |
1920 | non-qualified member function are substitution sources. However, | |
1921 | g++ does not work that way. g++ treats only the CV-qualified | |
1922 | member function as a substitution source. FIXME. So to work | |
1923 | with g++, we need to pull off the CV-qualifiers here, in order to | |
1924 | avoid calling add_substitution() in d_type(). */ | |
69afa80d | 1925 | |
bd6946d1 ILT |
1926 | pmem = d_cv_qualifiers (di, &mem); |
1927 | *pmem = d_type (di); | |
69afa80d | 1928 | |
bd6946d1 | 1929 | return d_make_comp (di, D_COMP_PTRMEM_TYPE, cl, mem); |
69afa80d AS |
1930 | } |
1931 | ||
bd6946d1 ILT |
1932 | /* <template-param> ::= T_ |
1933 | ::= T <(parameter-2 non-negative) number> _ | |
1934 | */ | |
69afa80d | 1935 | |
bd6946d1 ILT |
1936 | static struct d_comp * |
1937 | d_template_param (di) | |
1938 | struct d_info *di; | |
69afa80d | 1939 | { |
bd6946d1 | 1940 | long param; |
69afa80d | 1941 | |
bd6946d1 ILT |
1942 | if (d_next_char (di) != 'T') |
1943 | return NULL; | |
69afa80d | 1944 | |
bd6946d1 ILT |
1945 | if (d_peek_char (di) == '_') |
1946 | param = 0; | |
1947 | else | |
1948 | { | |
1949 | param = d_number (di); | |
1950 | if (param < 0) | |
1951 | return NULL; | |
1952 | param += 1; | |
1953 | } | |
051664b0 | 1954 | |
bd6946d1 ILT |
1955 | if (d_next_char (di) != '_') |
1956 | return NULL; | |
69afa80d | 1957 | |
bd6946d1 | 1958 | return d_make_template_param (di, param); |
69afa80d AS |
1959 | } |
1960 | ||
bd6946d1 ILT |
1961 | /* <template-args> ::= I <template-arg>+ E */ |
1962 | ||
1963 | static struct d_comp * | |
1964 | d_template_args (di) | |
1965 | struct d_info *di; | |
69afa80d | 1966 | { |
bd6946d1 ILT |
1967 | struct d_comp *hold_last_name; |
1968 | struct d_comp *al; | |
1969 | struct d_comp **pal; | |
69afa80d | 1970 | |
bd6946d1 ILT |
1971 | /* Preserve the last name we saw--don't let the template arguments |
1972 | clobber it, as that would give us the wrong name for a subsequent | |
1973 | constructor or destructor. */ | |
1974 | hold_last_name = di->last_name; | |
69afa80d | 1975 | |
bd6946d1 ILT |
1976 | if (d_next_char (di) != 'I') |
1977 | return NULL; | |
69afa80d | 1978 | |
bd6946d1 ILT |
1979 | al = NULL; |
1980 | pal = &al; | |
69afa80d AS |
1981 | while (1) |
1982 | { | |
bd6946d1 ILT |
1983 | struct d_comp *a; |
1984 | ||
1985 | a = d_template_arg (di); | |
1986 | if (a == NULL) | |
1987 | return NULL; | |
1988 | ||
1989 | *pal = d_make_comp (di, D_COMP_TEMPLATE_ARGLIST, a, NULL); | |
1990 | pal = &d_right (*pal); | |
1991 | ||
1992 | if (d_peek_char (di) == 'E') | |
051664b0 | 1993 | { |
bd6946d1 ILT |
1994 | d_advance (di, 1); |
1995 | break; | |
051664b0 | 1996 | } |
69afa80d AS |
1997 | } |
1998 | ||
bd6946d1 ILT |
1999 | di->last_name = hold_last_name; |
2000 | ||
2001 | return al; | |
69afa80d AS |
2002 | } |
2003 | ||
bd6946d1 ILT |
2004 | /* <template-arg> ::= <type> |
2005 | ::= X <expression> E | |
2006 | ::= <expr-primary> | |
2007 | */ | |
69afa80d | 2008 | |
bd6946d1 ILT |
2009 | static struct d_comp * |
2010 | d_template_arg (di) | |
2011 | struct d_info *di; | |
69afa80d | 2012 | { |
bd6946d1 | 2013 | struct d_comp *ret; |
051664b0 | 2014 | |
bd6946d1 | 2015 | switch (d_peek_char (di)) |
69afa80d | 2016 | { |
bd6946d1 ILT |
2017 | case 'X': |
2018 | d_advance (di, 1); | |
2019 | ret = d_expression (di); | |
2020 | if (d_next_char (di) != 'E') | |
2021 | return NULL; | |
2022 | return ret; | |
28a34ec1 | 2023 | |
bd6946d1 ILT |
2024 | case 'L': |
2025 | return d_expr_primary (di); | |
69afa80d | 2026 | |
bd6946d1 ILT |
2027 | default: |
2028 | return d_type (di); | |
31e0ab1f | 2029 | } |
69afa80d AS |
2030 | } |
2031 | ||
bd6946d1 ILT |
2032 | /* <expression> ::= <(unary) operator-name> <expression> |
2033 | ::= <(binary) operator-name> <expression> <expression> | |
2034 | ::= <(trinary) operator-name> <expression> <expression> <expression> | |
2035 | ::= st <type> | |
2036 | ::= <template-param> | |
2037 | ::= sr <type> <unqualified-name> | |
2038 | ::= sr <type> <unqualified-name> <template-args> | |
2039 | ::= <expr-primary> | |
2040 | */ | |
2041 | ||
2042 | static struct d_comp * | |
2043 | d_expression (di) | |
2044 | struct d_info *di; | |
69afa80d | 2045 | { |
bd6946d1 | 2046 | char peek; |
69afa80d | 2047 | |
bd6946d1 ILT |
2048 | peek = d_peek_char (di); |
2049 | if (peek == 'L') | |
2050 | return d_expr_primary (di); | |
2051 | else if (peek == 'T') | |
2052 | return d_template_param (di); | |
2053 | else if (peek == 's' && d_peek_next_char (di) == 'r') | |
69afa80d | 2054 | { |
bd6946d1 ILT |
2055 | struct d_comp *type; |
2056 | struct d_comp *name; | |
69afa80d | 2057 | |
bd6946d1 ILT |
2058 | d_advance (di, 2); |
2059 | type = d_type (di); | |
2060 | name = d_unqualified_name (di); | |
2061 | if (d_peek_char (di) != 'I') | |
2062 | return d_make_comp (di, D_COMP_QUAL_NAME, type, name); | |
2063 | else | |
2064 | return d_make_comp (di, D_COMP_QUAL_NAME, type, | |
2065 | d_make_comp (di, D_COMP_TEMPLATE, name, | |
2066 | d_template_args (di))); | |
5d69ba1f | 2067 | } |
bd6946d1 | 2068 | else |
69afa80d | 2069 | { |
bd6946d1 ILT |
2070 | struct d_comp *op; |
2071 | int args; | |
69afa80d | 2072 | |
bd6946d1 ILT |
2073 | op = d_operator_name (di); |
2074 | if (op == NULL) | |
2075 | return NULL; | |
69afa80d | 2076 | |
bd6946d1 ILT |
2077 | if (op->type == D_COMP_OPERATOR |
2078 | && strcmp (op->u.s_operator.op->code, "st") == 0) | |
2079 | return d_make_comp (di, D_COMP_UNARY, op, d_type (di)); | |
69afa80d | 2080 | |
bd6946d1 ILT |
2081 | switch (op->type) |
2082 | { | |
2083 | default: | |
2084 | return NULL; | |
2085 | case D_COMP_OPERATOR: | |
2086 | args = op->u.s_operator.op->args; | |
2087 | break; | |
2088 | case D_COMP_EXTENDED_OPERATOR: | |
2089 | args = op->u.s_extended_operator.args; | |
2090 | break; | |
2091 | case D_COMP_CAST: | |
2092 | args = 1; | |
2093 | break; | |
2094 | } | |
2095 | ||
2096 | switch (args) | |
2097 | { | |
2098 | case 1: | |
2099 | return d_make_comp (di, D_COMP_UNARY, op, d_expression (di)); | |
2100 | case 2: | |
2101 | { | |
2102 | struct d_comp *left; | |
2103 | ||
2104 | left = d_expression (di); | |
2105 | return d_make_comp (di, D_COMP_BINARY, op, | |
2106 | d_make_comp (di, D_COMP_BINARY_ARGS, left, | |
2107 | d_expression (di))); | |
2108 | } | |
2109 | case 3: | |
2110 | { | |
2111 | struct d_comp *first; | |
2112 | struct d_comp *second; | |
2113 | ||
2114 | first = d_expression (di); | |
2115 | second = d_expression (di); | |
2116 | return d_make_comp (di, D_COMP_TRINARY, op, | |
2117 | d_make_comp (di, D_COMP_TRINARY_ARG1, first, | |
2118 | d_make_comp (di, | |
2119 | D_COMP_TRINARY_ARG2, | |
2120 | second, | |
2121 | d_expression (di)))); | |
2122 | } | |
2123 | default: | |
2124 | return NULL; | |
2125 | } | |
69afa80d AS |
2126 | } |
2127 | } | |
2128 | ||
bd6946d1 ILT |
2129 | /* <expr-primary> ::= L <type> <(value) number> E |
2130 | ::= L <type> <(value) float> E | |
2131 | ::= L <mangled-name> E | |
2132 | */ | |
92a16bbe | 2133 | |
bd6946d1 ILT |
2134 | static struct d_comp * |
2135 | d_expr_primary (di) | |
2136 | struct d_info *di; | |
92a16bbe | 2137 | { |
bd6946d1 | 2138 | struct d_comp *ret; |
92a16bbe | 2139 | |
bd6946d1 ILT |
2140 | if (d_next_char (di) != 'L') |
2141 | return NULL; | |
2142 | if (d_peek_char (di) == '_') | |
2143 | ret = d_mangled_name (di); | |
2144 | else | |
92a16bbe | 2145 | { |
bd6946d1 ILT |
2146 | struct d_comp *type; |
2147 | const char *s; | |
2148 | ||
2149 | type = d_type (di); | |
2150 | ||
2151 | /* Rather than try to interpret the literal value, we just | |
2152 | collect it as a string. Note that it's possible to have a | |
2153 | floating point literal here. The ABI specifies that the | |
2154 | format of such literals is machine independent. That's fine, | |
2155 | but what's not fine is that versions of g++ up to 3.2 with | |
2156 | -fabi-version=1 used upper case letters in the hex constant, | |
2157 | and dumped out gcc's internal representation. That makes it | |
2158 | hard to tell where the constant ends, and hard to dump the | |
2159 | constant in any readable form anyhow. We don't attempt to | |
2160 | handle these cases. */ | |
2161 | ||
2162 | s = d_str (di); | |
2163 | while (d_peek_char (di) != 'E') | |
2164 | d_advance (di, 1); | |
2165 | ret = d_make_comp (di, D_COMP_LITERAL, type, | |
2166 | d_make_name (di, s, d_str (di) - s)); | |
2167 | } | |
2168 | if (d_next_char (di) != 'E') | |
2169 | return NULL; | |
2170 | return ret; | |
92a16bbe AS |
2171 | } |
2172 | ||
bd6946d1 ILT |
2173 | /* <local-name> ::= Z <(function) encoding> E <(entity) name> [<discriminator>] |
2174 | ::= Z <(function) encoding> E s [<discriminator>] | |
2175 | */ | |
92a16bbe | 2176 | |
bd6946d1 ILT |
2177 | static struct d_comp * |
2178 | d_local_name (di) | |
2179 | struct d_info *di; | |
92a16bbe | 2180 | { |
bd6946d1 | 2181 | struct d_comp *function; |
92a16bbe | 2182 | |
bd6946d1 ILT |
2183 | if (d_next_char (di) != 'Z') |
2184 | return NULL; | |
92a16bbe | 2185 | |
bd6946d1 | 2186 | function = d_encoding (di); |
92a16bbe | 2187 | |
bd6946d1 ILT |
2188 | if (d_next_char (di) != 'E') |
2189 | return NULL; | |
92a16bbe | 2190 | |
bd6946d1 | 2191 | if (d_peek_char (di) == 's') |
92a16bbe | 2192 | { |
bd6946d1 ILT |
2193 | d_advance (di, 1); |
2194 | if (! d_discriminator (di)) | |
2195 | return NULL; | |
2196 | return d_make_comp (di, D_COMP_QUAL_NAME, function, | |
2197 | d_make_name (di, "string literal", | |
2198 | sizeof "string literal" - 1)); | |
92a16bbe | 2199 | } |
bd6946d1 | 2200 | else |
92a16bbe | 2201 | { |
bd6946d1 | 2202 | struct d_comp *name; |
92a16bbe | 2203 | |
bd6946d1 ILT |
2204 | name = d_name (di); |
2205 | if (! d_discriminator (di)) | |
2206 | return NULL; | |
2207 | return d_make_comp (di, D_COMP_QUAL_NAME, function, name); | |
92a16bbe | 2208 | } |
92a16bbe AS |
2209 | } |
2210 | ||
bd6946d1 | 2211 | /* <discriminator> ::= _ <(non-negative) number> |
69afa80d | 2212 | |
bd6946d1 ILT |
2213 | We demangle the discriminator, but we don't print it out. FIXME: |
2214 | We should print it out in verbose mode. */ | |
92a16bbe | 2215 | |
bd6946d1 ILT |
2216 | static int |
2217 | d_discriminator (di) | |
2218 | struct d_info *di; | |
2219 | { | |
2220 | long discrim; | |
92a16bbe | 2221 | |
bd6946d1 ILT |
2222 | if (d_peek_char (di) != '_') |
2223 | return 1; | |
2224 | d_advance (di, 1); | |
2225 | discrim = d_number (di); | |
2226 | if (discrim < 0) | |
2227 | return 0; | |
2228 | return 1; | |
2229 | } | |
69afa80d | 2230 | |
bd6946d1 | 2231 | /* Add a new substitution. */ |
69afa80d | 2232 | |
bd6946d1 ILT |
2233 | static int |
2234 | d_add_substitution (di, dc) | |
2235 | struct d_info *di; | |
2236 | struct d_comp *dc; | |
69afa80d | 2237 | { |
bd6946d1 ILT |
2238 | if (di->next_sub >= di->num_subs) |
2239 | return 0; | |
2240 | di->subs[di->next_sub] = dc; | |
2241 | ++di->next_sub; | |
2242 | return 1; | |
2243 | } | |
2244 | ||
2245 | /* <substitution> ::= S <seq-id> _ | |
2246 | ::= S_ | |
2247 | ::= St | |
2248 | ::= Sa | |
2249 | ::= Sb | |
2250 | ::= Ss | |
2251 | ::= Si | |
2252 | ::= So | |
2253 | ::= Sd | |
2254 | */ | |
69afa80d | 2255 | |
bd6946d1 ILT |
2256 | static struct d_comp * |
2257 | d_substitution (di) | |
2258 | struct d_info *di; | |
2259 | { | |
2260 | char c; | |
69afa80d | 2261 | |
bd6946d1 ILT |
2262 | if (d_next_char (di) != 'S') |
2263 | return NULL; | |
056400f1 | 2264 | |
bd6946d1 ILT |
2265 | c = d_next_char (di); |
2266 | if (c == '_' || IS_DIGIT (c) || (c >= 'A' && c <= 'Z')) | |
69afa80d | 2267 | { |
bd6946d1 | 2268 | int id; |
69afa80d | 2269 | |
bd6946d1 ILT |
2270 | id = 0; |
2271 | if (c != '_') | |
69afa80d | 2272 | { |
bd6946d1 | 2273 | do |
69afa80d | 2274 | { |
bd6946d1 ILT |
2275 | if (IS_DIGIT (c)) |
2276 | id = id * 36 + c - '0'; | |
2277 | else if (c >= 'A' && c <= 'Z') | |
2278 | id = id * 36 + c - 'A' + 10; | |
2279 | else | |
2280 | return NULL; | |
2281 | c = d_next_char (di); | |
69afa80d | 2282 | } |
bd6946d1 | 2283 | while (c != '_'); |
69afa80d | 2284 | |
bd6946d1 | 2285 | ++id; |
69afa80d | 2286 | } |
69afa80d | 2287 | |
bd6946d1 ILT |
2288 | if (id >= di->next_sub) |
2289 | return NULL; | |
69afa80d | 2290 | |
bd6946d1 | 2291 | return di->subs[id]; |
69afa80d | 2292 | } |
bd6946d1 | 2293 | else |
69afa80d | 2294 | { |
bd6946d1 | 2295 | switch (c) |
7dce2eff | 2296 | { |
bd6946d1 ILT |
2297 | case 't': |
2298 | return d_make_sub (di, "std"); | |
2299 | case 'a': | |
2300 | di->last_name = d_make_sub (di, "allocator"); | |
2301 | return d_make_sub (di, "std::allocator"); | |
2302 | case 'b': | |
2303 | di->last_name = d_make_sub (di, "basic_string"); | |
2304 | return d_make_sub (di, "std::basic_string"); | |
2305 | case 's': | |
2306 | di->last_name = d_make_sub (di, "string"); | |
2307 | return d_make_sub (di, "std::string"); | |
2308 | case 'i': | |
2309 | di->last_name = d_make_sub (di, "istream"); | |
2310 | return d_make_sub (di, "std::istream"); | |
2311 | case 'o': | |
2312 | di->last_name = d_make_sub (di, "ostream"); | |
2313 | return d_make_sub (di, "std::ostream"); | |
2314 | case 'd': | |
2315 | di->last_name = d_make_sub (di, "iostream"); | |
2316 | return d_make_sub (di, "std::iostream"); | |
2317 | default: | |
2318 | return NULL; | |
69afa80d AS |
2319 | } |
2320 | } | |
69afa80d AS |
2321 | } |
2322 | ||
bd6946d1 | 2323 | /* Resize the print buffer. */ |
69afa80d | 2324 | |
bd6946d1 ILT |
2325 | static void |
2326 | d_print_resize (dpi, add) | |
2327 | struct d_print_info *dpi; | |
2328 | size_t add; | |
2329 | { | |
2330 | size_t need; | |
69afa80d | 2331 | |
bd6946d1 ILT |
2332 | need = dpi->len + add; |
2333 | while (need > dpi->alc) | |
69afa80d | 2334 | { |
bd6946d1 ILT |
2335 | size_t newalc; |
2336 | char *newbuf; | |
0870bfd6 | 2337 | |
bd6946d1 ILT |
2338 | newalc = dpi->alc * 2; |
2339 | newbuf = realloc (dpi->buf, newalc); | |
2340 | if (newbuf == NULL) | |
820555e6 | 2341 | { |
bd6946d1 ILT |
2342 | free (dpi->buf); |
2343 | dpi->buf = NULL; | |
2344 | dpi->allocation_failure = 1; | |
2345 | return; | |
69afa80d | 2346 | } |
bd6946d1 ILT |
2347 | dpi->buf = newbuf; |
2348 | dpi->alc = newalc; | |
31e0ab1f | 2349 | } |
bd6946d1 | 2350 | } |
820555e6 | 2351 | |
bd6946d1 | 2352 | /* Append a character to the print buffer. */ |
820555e6 | 2353 | |
bd6946d1 ILT |
2354 | static void |
2355 | d_print_append_char (dpi, c) | |
2356 | struct d_print_info *dpi; | |
2357 | int c; | |
2358 | { | |
2359 | if (dpi->buf != NULL) | |
2360 | { | |
2361 | if (dpi->len >= dpi->alc) | |
2362 | { | |
2363 | d_print_resize (dpi, 1); | |
2364 | if (dpi->buf == NULL) | |
2365 | return; | |
2366 | } | |
820555e6 | 2367 | |
bd6946d1 ILT |
2368 | dpi->buf[dpi->len] = c; |
2369 | ++dpi->len; | |
31e0ab1f | 2370 | } |
69afa80d AS |
2371 | } |
2372 | ||
bd6946d1 ILT |
2373 | /* Append a buffer to the print buffer. */ |
2374 | ||
2375 | static void | |
2376 | d_print_append_buffer (dpi, s, l) | |
2377 | struct d_print_info *dpi; | |
2378 | const char *s; | |
2379 | size_t l; | |
69afa80d | 2380 | { |
bd6946d1 | 2381 | if (dpi->buf != NULL) |
69afa80d | 2382 | { |
bd6946d1 | 2383 | if (dpi->len + l > dpi->alc) |
69afa80d | 2384 | { |
bd6946d1 ILT |
2385 | d_print_resize (dpi, l); |
2386 | if (dpi->buf == NULL) | |
2387 | return; | |
69afa80d | 2388 | } |
69afa80d | 2389 | |
bd6946d1 ILT |
2390 | memcpy (dpi->buf + dpi->len, s, l); |
2391 | dpi->len += l; | |
2392 | } | |
69afa80d AS |
2393 | } |
2394 | ||
bd6946d1 | 2395 | /* Indicate that an error occurred during printing. */ |
69afa80d | 2396 | |
bd6946d1 ILT |
2397 | static void |
2398 | d_print_error (dpi) | |
2399 | struct d_print_info *dpi; | |
3b60dd8e | 2400 | { |
bd6946d1 ILT |
2401 | free (dpi->buf); |
2402 | dpi->buf = NULL; | |
2403 | } | |
3b60dd8e | 2404 | |
bd6946d1 ILT |
2405 | /* Turn components into a human readable string. Returns a string |
2406 | allocated by malloc, or NULL on error. On success, this sets *PALC | |
2407 | to the size of the allocated buffer. On failure, this sets *PALC | |
2408 | to 0 for a bad parse, or to 1 for a memory allocation failure. */ | |
69afa80d | 2409 | |
bd6946d1 ILT |
2410 | static char * |
2411 | d_print (options, dc, palc) | |
2412 | int options; | |
2413 | const struct d_comp *dc; | |
2414 | size_t *palc; | |
2415 | { | |
2416 | struct d_print_info dpi; | |
69afa80d | 2417 | |
bd6946d1 | 2418 | dpi.options = options; |
69afa80d | 2419 | |
bd6946d1 ILT |
2420 | dpi.alc = 64; |
2421 | dpi.buf = malloc (dpi.alc); | |
2422 | if (dpi.buf == NULL) | |
69afa80d | 2423 | { |
bd6946d1 ILT |
2424 | *palc = 1; |
2425 | return NULL; | |
69afa80d | 2426 | } |
69afa80d | 2427 | |
bd6946d1 ILT |
2428 | dpi.len = 0; |
2429 | dpi.templates = NULL; | |
2430 | dpi.modifiers = NULL; | |
69afa80d | 2431 | |
bd6946d1 | 2432 | dpi.allocation_failure = 0; |
69afa80d | 2433 | |
bd6946d1 | 2434 | d_print_comp (&dpi, dc); |
69afa80d | 2435 | |
bd6946d1 | 2436 | d_append_char (&dpi, '\0'); |
69afa80d | 2437 | |
bd6946d1 ILT |
2438 | if (dpi.buf != NULL) |
2439 | *palc = dpi.alc; | |
2440 | else | |
2441 | *palc = dpi.allocation_failure; | |
69afa80d | 2442 | |
bd6946d1 | 2443 | return dpi.buf; |
69afa80d AS |
2444 | } |
2445 | ||
bd6946d1 | 2446 | /* Subroutine to handle components. */ |
69afa80d | 2447 | |
bd6946d1 ILT |
2448 | static void |
2449 | d_print_comp (dpi, dc) | |
2450 | struct d_print_info *dpi; | |
2451 | const struct d_comp *dc; | |
69afa80d | 2452 | { |
bd6946d1 | 2453 | if (dc == NULL) |
69afa80d | 2454 | { |
bd6946d1 ILT |
2455 | d_print_error (dpi); |
2456 | return; | |
69afa80d | 2457 | } |
bd6946d1 ILT |
2458 | if (d_print_saw_error (dpi)) |
2459 | return; | |
69afa80d | 2460 | |
bd6946d1 | 2461 | switch (dc->type) |
69afa80d | 2462 | { |
bd6946d1 ILT |
2463 | case D_COMP_NAME: |
2464 | d_print_identifier (dpi, dc->u.s_name.s, dc->u.s_name.len); | |
2465 | return; | |
69afa80d | 2466 | |
bd6946d1 ILT |
2467 | case D_COMP_QUAL_NAME: |
2468 | d_print_comp (dpi, d_left (dc)); | |
2469 | d_append_string (dpi, (dpi->options & DMGL_JAVA) == 0 ? "::" : "."); | |
2470 | d_print_comp (dpi, d_right (dc)); | |
2471 | return; | |
69afa80d | 2472 | |
bd6946d1 ILT |
2473 | case D_COMP_TYPED_NAME: |
2474 | { | |
2475 | const struct d_comp *typed_name; | |
2476 | struct d_print_mod dpm; | |
2477 | struct d_print_template dpt; | |
2478 | ||
2479 | /* Pass the name down to the type so that it can be printed in | |
2480 | the right place for the type. If the name has | |
2481 | CV-qualifiers, they are really method qualifiers; pull them | |
2482 | off now and print them after everything else. Note that we | |
2483 | don't handle D_COMP_VENDOR_TYPE_QUAL here; it's not | |
2484 | accepted by d_cv_qualifiers() either. */ | |
2485 | typed_name = d_left (dc); | |
2486 | while (typed_name != NULL | |
2487 | && (typed_name->type == D_COMP_RESTRICT | |
2488 | || typed_name->type == D_COMP_VOLATILE | |
2489 | || typed_name->type == D_COMP_CONST)) | |
2490 | typed_name = d_left (typed_name); | |
2491 | ||
2492 | dpm.next = dpi->modifiers; | |
2493 | dpi->modifiers = &dpm; | |
2494 | dpm.mod = typed_name; | |
2495 | dpm.printed = 0; | |
2496 | ||
2497 | /* If typed_name is a template, then it applies to the | |
2498 | function type as well. */ | |
2499 | if (typed_name->type == D_COMP_TEMPLATE) | |
2500 | { | |
2501 | dpt.next = dpi->templates; | |
2502 | dpi->templates = &dpt; | |
2503 | dpt.template = typed_name; | |
2504 | } | |
69afa80d | 2505 | |
bd6946d1 | 2506 | d_print_comp (dpi, d_right (dc)); |
1056d228 | 2507 | |
bd6946d1 ILT |
2508 | if (typed_name->type == D_COMP_TEMPLATE) |
2509 | dpi->templates = dpt.next; | |
69afa80d | 2510 | |
bd6946d1 ILT |
2511 | /* If the modifier didn't get printed by the type, print it |
2512 | now. */ | |
2513 | if (! dpm.printed) | |
2514 | { | |
2515 | d_append_char (dpi, ' '); | |
2516 | d_print_comp (dpi, typed_name); | |
2517 | } | |
69afa80d | 2518 | |
bd6946d1 | 2519 | dpi->modifiers = dpm.next; |
69afa80d | 2520 | |
bd6946d1 ILT |
2521 | /* Now print any CV-qualifiers on the type. */ |
2522 | typed_name = d_left (dc); | |
2523 | while (typed_name != NULL | |
2524 | && (typed_name->type == D_COMP_RESTRICT | |
2525 | || typed_name->type == D_COMP_VOLATILE | |
2526 | || typed_name->type == D_COMP_CONST)) | |
2527 | { | |
2528 | d_print_mod (dpi, typed_name); | |
2529 | typed_name = d_left (typed_name); | |
2530 | } | |
69afa80d | 2531 | |
bd6946d1 ILT |
2532 | return; |
2533 | } | |
69afa80d | 2534 | |
bd6946d1 ILT |
2535 | case D_COMP_TEMPLATE: |
2536 | d_print_comp (dpi, d_left (dc)); | |
2537 | d_append_char (dpi, '<'); | |
2538 | d_print_comp (dpi, d_right (dc)); | |
2539 | /* Avoid generating two consecutive '>' characters, to avoid the | |
2540 | C++ syntactic ambiguity. */ | |
2541 | if (dpi->buf[dpi->len - 1] == '>') | |
2542 | d_append_char (dpi, ' '); | |
2543 | d_append_char (dpi, '>'); | |
2544 | return; | |
2545 | ||
2546 | case D_COMP_TEMPLATE_PARAM: | |
2547 | { | |
2548 | long i; | |
2549 | struct d_comp *a; | |
2550 | struct d_print_template *hold_dpt; | |
69afa80d | 2551 | |
bd6946d1 ILT |
2552 | if (dpi->templates == NULL) |
2553 | { | |
2554 | d_print_error (dpi); | |
2555 | return; | |
2556 | } | |
2557 | i = dc->u.s_number.number; | |
2558 | for (a = d_right (dpi->templates->template); | |
2559 | a != NULL; | |
2560 | a = d_right (a)) | |
2561 | { | |
2562 | if (a->type != D_COMP_TEMPLATE_ARGLIST) | |
2563 | { | |
2564 | d_print_error (dpi); | |
2565 | return; | |
2566 | } | |
2567 | if (i <= 0) | |
2568 | break; | |
2569 | --i; | |
2570 | } | |
2571 | if (i != 0 || a == NULL) | |
2572 | { | |
2573 | d_print_error (dpi); | |
2574 | return; | |
2575 | } | |
0870bfd6 | 2576 | |
bd6946d1 ILT |
2577 | /* While processing this parameter, we need to pop the list of |
2578 | templates. This is because the template parameter may | |
2579 | itself be a reference to a parameter of an outer | |
2580 | template. */ | |
0870bfd6 | 2581 | |
bd6946d1 ILT |
2582 | hold_dpt = dpi->templates; |
2583 | dpi->templates = hold_dpt->next; | |
69afa80d | 2584 | |
bd6946d1 | 2585 | d_print_comp (dpi, d_left (a)); |
051664b0 | 2586 | |
bd6946d1 | 2587 | dpi->templates = hold_dpt; |
0870bfd6 | 2588 | |
bd6946d1 ILT |
2589 | return; |
2590 | } | |
69afa80d | 2591 | |
bd6946d1 ILT |
2592 | case D_COMP_CTOR: |
2593 | d_print_comp (dpi, dc->u.s_ctor.name); | |
2594 | return; | |
2595 | ||
2596 | case D_COMP_DTOR: | |
2597 | d_append_char (dpi, '~'); | |
2598 | d_print_comp (dpi, dc->u.s_dtor.name); | |
2599 | return; | |
2600 | ||
2601 | case D_COMP_VTABLE: | |
2602 | d_append_string (dpi, "vtable for "); | |
2603 | d_print_comp (dpi, d_left (dc)); | |
2604 | return; | |
2605 | ||
2606 | case D_COMP_VTT: | |
2607 | d_append_string (dpi, "VTT for "); | |
2608 | d_print_comp (dpi, d_left (dc)); | |
2609 | return; | |
2610 | ||
2611 | case D_COMP_CONSTRUCTION_VTABLE: | |
2612 | d_append_string (dpi, "construction vtable for "); | |
2613 | d_print_comp (dpi, d_left (dc)); | |
2614 | d_append_string (dpi, "-in-"); | |
2615 | d_print_comp (dpi, d_right (dc)); | |
2616 | return; | |
2617 | ||
2618 | case D_COMP_TYPEINFO: | |
2619 | d_append_string (dpi, "typeinfo for "); | |
2620 | d_print_comp (dpi, d_left (dc)); | |
2621 | return; | |
2622 | ||
2623 | case D_COMP_TYPEINFO_NAME: | |
2624 | d_append_string (dpi, "typeinfo name for "); | |
2625 | d_print_comp (dpi, d_left (dc)); | |
2626 | return; | |
2627 | ||
2628 | case D_COMP_TYPEINFO_FN: | |
2629 | d_append_string (dpi, "typeinfo fn for "); | |
2630 | d_print_comp (dpi, d_left (dc)); | |
2631 | return; | |
2632 | ||
2633 | case D_COMP_THUNK: | |
2634 | d_append_string (dpi, "non-virtual thunk to "); | |
2635 | d_print_comp (dpi, d_left (dc)); | |
2636 | return; | |
2637 | ||
2638 | case D_COMP_VIRTUAL_THUNK: | |
2639 | d_append_string (dpi, "virtual thunk to "); | |
2640 | d_print_comp (dpi, d_left (dc)); | |
2641 | return; | |
2642 | ||
2643 | case D_COMP_COVARIANT_THUNK: | |
2644 | d_append_string (dpi, "covariant return thunk to "); | |
2645 | d_print_comp (dpi, d_left (dc)); | |
2646 | return; | |
2647 | ||
2648 | case D_COMP_JAVA_CLASS: | |
2649 | d_append_string (dpi, "java Class for "); | |
2650 | d_print_comp (dpi, d_left (dc)); | |
2651 | return; | |
2652 | ||
2653 | case D_COMP_GUARD: | |
2654 | d_append_string (dpi, "guard variable for "); | |
2655 | d_print_comp (dpi, d_left (dc)); | |
2656 | return; | |
2657 | ||
2658 | case D_COMP_REFTEMP: | |
2659 | d_append_string (dpi, "reference temporary for "); | |
2660 | d_print_comp (dpi, d_left (dc)); | |
2661 | return; | |
2662 | ||
2663 | case D_COMP_SUB_STD: | |
2664 | d_append_string (dpi, dc->u.s_string.string); | |
2665 | return; | |
2666 | ||
2667 | case D_COMP_RESTRICT: | |
2668 | case D_COMP_VOLATILE: | |
2669 | case D_COMP_CONST: | |
2670 | case D_COMP_VENDOR_TYPE_QUAL: | |
2671 | case D_COMP_POINTER: | |
2672 | case D_COMP_REFERENCE: | |
2673 | case D_COMP_COMPLEX: | |
2674 | case D_COMP_IMAGINARY: | |
2675 | { | |
2676 | /* We keep a list of modifiers on the stack. */ | |
2677 | struct d_print_mod dpm; | |
69afa80d | 2678 | |
bd6946d1 ILT |
2679 | dpm.next = dpi->modifiers; |
2680 | dpi->modifiers = &dpm; | |
2681 | dpm.mod = dc; | |
2682 | dpm.printed = 0; | |
69afa80d | 2683 | |
bd6946d1 | 2684 | d_print_comp (dpi, d_left (dc)); |
0870bfd6 | 2685 | |
bd6946d1 ILT |
2686 | /* If the modifier didn't get printed by the type, print it |
2687 | now. */ | |
2688 | if (! dpm.printed) | |
2689 | d_print_mod (dpi, dc); | |
69afa80d | 2690 | |
bd6946d1 | 2691 | dpi->modifiers = dpm.next; |
69afa80d | 2692 | |
bd6946d1 ILT |
2693 | return; |
2694 | } | |
69afa80d | 2695 | |
bd6946d1 ILT |
2696 | case D_COMP_BUILTIN_TYPE: |
2697 | if ((dpi->options & DMGL_JAVA) == 0) | |
2698 | d_append_string (dpi, dc->u.s_builtin.type->name); | |
2699 | else | |
2700 | d_append_string (dpi, dc->u.s_builtin.type->java_name); | |
2701 | return; | |
69afa80d | 2702 | |
bd6946d1 ILT |
2703 | case D_COMP_VENDOR_TYPE: |
2704 | d_print_comp (dpi, d_left (dc)); | |
2705 | return; | |
69afa80d | 2706 | |
bd6946d1 ILT |
2707 | case D_COMP_FUNCTION_TYPE: |
2708 | { | |
2709 | if (d_left (dc) != NULL) | |
2710 | { | |
2711 | struct d_print_mod dpm; | |
69afa80d | 2712 | |
bd6946d1 ILT |
2713 | /* We must pass this type down as a modifier in order to |
2714 | print it in the right location. */ | |
69afa80d | 2715 | |
bd6946d1 ILT |
2716 | dpm.next = dpi->modifiers; |
2717 | dpi->modifiers = &dpm; | |
2718 | dpm.mod = dc; | |
2719 | dpm.printed = 0; | |
69afa80d | 2720 | |
bd6946d1 | 2721 | d_print_comp (dpi, d_left (dc)); |
69afa80d | 2722 | |
bd6946d1 | 2723 | dpi->modifiers = dpm.next; |
69afa80d | 2724 | |
bd6946d1 ILT |
2725 | if (dpm.printed) |
2726 | return; | |
69afa80d | 2727 | |
bd6946d1 ILT |
2728 | d_append_char (dpi, ' '); |
2729 | } | |
69afa80d | 2730 | |
bd6946d1 | 2731 | d_print_function_type (dpi, dc, dpi->modifiers); |
051664b0 | 2732 | |
bd6946d1 ILT |
2733 | return; |
2734 | } | |
69afa80d | 2735 | |
bd6946d1 ILT |
2736 | case D_COMP_ARRAY_TYPE: |
2737 | { | |
2738 | struct d_print_mod dpm; | |
69afa80d | 2739 | |
bd6946d1 ILT |
2740 | /* We must pass this type down as a modifier in order to print |
2741 | multi-dimensional arrays correctly. */ | |
051664b0 | 2742 | |
bd6946d1 ILT |
2743 | dpm.next = dpi->modifiers; |
2744 | dpi->modifiers = &dpm; | |
2745 | dpm.mod = dc; | |
2746 | dpm.printed = 0; | |
69afa80d | 2747 | |
bd6946d1 | 2748 | d_print_comp (dpi, d_right (dc)); |
69afa80d | 2749 | |
bd6946d1 | 2750 | dpi->modifiers = dpm.next; |
69afa80d | 2751 | |
bd6946d1 ILT |
2752 | if (dpm.printed) |
2753 | return; | |
69afa80d | 2754 | |
bd6946d1 | 2755 | d_print_array_type (dpi, dc, dpi->modifiers); |
69afa80d | 2756 | |
bd6946d1 ILT |
2757 | return; |
2758 | } | |
69afa80d | 2759 | |
bd6946d1 ILT |
2760 | case D_COMP_PTRMEM_TYPE: |
2761 | { | |
2762 | const struct d_comp *target_type; | |
2763 | struct d_print_mod dpm; | |
2764 | ||
2765 | /* Pass the name down to the type so that it can be printed in | |
2766 | the right place for the type. If the type has | |
2767 | CV-qualifiers, they are really method qualifiers; pull them | |
2768 | off now and print them after everything else. */ | |
2769 | target_type = d_right (dc); | |
2770 | while (target_type != NULL | |
2771 | && (target_type->type == D_COMP_RESTRICT | |
2772 | || target_type->type == D_COMP_VOLATILE | |
2773 | || target_type->type == D_COMP_CONST)) | |
2774 | target_type = d_left (target_type); | |
2775 | ||
2776 | dpm.next = dpi->modifiers; | |
2777 | dpi->modifiers = &dpm; | |
2778 | dpm.mod = dc; | |
2779 | dpm.printed = 0; | |
2780 | ||
2781 | d_print_comp (dpi, target_type); | |
2782 | ||
2783 | /* If the modifier didn't get printed by the type, print it | |
2784 | now. */ | |
2785 | if (! dpm.printed) | |
2786 | { | |
2787 | d_append_char (dpi, ' '); | |
2788 | d_print_comp (dpi, d_left (dc)); | |
2789 | d_append_string (dpi, "::*"); | |
2790 | } | |
69afa80d | 2791 | |
bd6946d1 | 2792 | dpi->modifiers = dpm.next; |
69afa80d | 2793 | |
bd6946d1 ILT |
2794 | /* Now print any CV-qualifiers on the type. */ |
2795 | target_type = d_right (dc); | |
2796 | while (target_type != NULL | |
2797 | && (target_type->type == D_COMP_RESTRICT | |
2798 | || target_type->type == D_COMP_VOLATILE | |
2799 | || target_type->type == D_COMP_CONST)) | |
2800 | { | |
2801 | d_print_mod (dpi, target_type); | |
2802 | target_type = d_left (target_type); | |
2803 | } | |
69afa80d | 2804 | |
bd6946d1 ILT |
2805 | return; |
2806 | } | |
69afa80d | 2807 | |
bd6946d1 ILT |
2808 | case D_COMP_ARGLIST: |
2809 | case D_COMP_TEMPLATE_ARGLIST: | |
2810 | d_print_comp (dpi, d_left (dc)); | |
2811 | if (d_right (dc) != NULL) | |
2812 | { | |
2813 | d_append_string (dpi, ", "); | |
2814 | d_print_comp (dpi, d_right (dc)); | |
2815 | } | |
2816 | return; | |
69afa80d | 2817 | |
bd6946d1 ILT |
2818 | case D_COMP_OPERATOR: |
2819 | { | |
2820 | char c; | |
2821 | ||
2822 | d_append_string (dpi, "operator"); | |
2823 | c = dc->u.s_operator.op->name[0]; | |
2824 | if (c >= 'a' && c <= 'z') | |
2825 | d_append_char (dpi, ' '); | |
2826 | d_append_string (dpi, dc->u.s_operator.op->name); | |
2827 | return; | |
2828 | } | |
69afa80d | 2829 | |
bd6946d1 ILT |
2830 | case D_COMP_EXTENDED_OPERATOR: |
2831 | d_append_string (dpi, "operator "); | |
2832 | d_print_comp (dpi, dc->u.s_extended_operator.name); | |
2833 | return; | |
69afa80d | 2834 | |
bd6946d1 ILT |
2835 | case D_COMP_CAST: |
2836 | d_append_string (dpi, "operator "); | |
2837 | d_print_cast (dpi, dc); | |
2838 | return; | |
69afa80d | 2839 | |
bd6946d1 ILT |
2840 | case D_COMP_UNARY: |
2841 | if (d_left (dc)->type != D_COMP_CAST) | |
2842 | d_print_expr_op (dpi, d_left (dc)); | |
2843 | else | |
69afa80d | 2844 | { |
bd6946d1 ILT |
2845 | d_append_string (dpi, "(("); |
2846 | d_print_cast (dpi, d_left (dc)); | |
2847 | d_append_char (dpi, ')'); | |
69afa80d | 2848 | } |
bd6946d1 ILT |
2849 | d_append_char (dpi, '('); |
2850 | d_print_comp (dpi, d_right (dc)); | |
2851 | d_append_char (dpi, ')'); | |
2852 | if (d_left (dc)->type == D_COMP_CAST) | |
2853 | d_append_char (dpi, ')'); | |
2854 | return; | |
2855 | ||
2856 | case D_COMP_BINARY: | |
2857 | if (d_right (dc)->type != D_COMP_BINARY_ARGS) | |
69afa80d | 2858 | { |
bd6946d1 ILT |
2859 | d_print_error (dpi); |
2860 | return; | |
69afa80d | 2861 | } |
bd6946d1 ILT |
2862 | d_append_char (dpi, '('); |
2863 | d_print_comp (dpi, d_left (d_right (dc))); | |
2864 | d_append_string (dpi, ") "); | |
2865 | d_print_expr_op (dpi, d_left (dc)); | |
2866 | d_append_string (dpi, " ("); | |
2867 | d_print_comp (dpi, d_right (d_right (dc))); | |
2868 | d_append_char (dpi, ')'); | |
2869 | return; | |
2870 | ||
2871 | case D_COMP_BINARY_ARGS: | |
2872 | /* We should only see this as part of D_COMP_BINARY. */ | |
2873 | d_print_error (dpi); | |
2874 | return; | |
2875 | ||
2876 | case D_COMP_TRINARY: | |
2877 | if (d_right (dc)->type != D_COMP_TRINARY_ARG1 | |
2878 | || d_right (d_right (dc))->type != D_COMP_TRINARY_ARG2) | |
2879 | { | |
2880 | d_print_error (dpi); | |
2881 | return; | |
2882 | } | |
2883 | d_append_char (dpi, '('); | |
2884 | d_print_comp (dpi, d_left (d_right (dc))); | |
2885 | d_append_string (dpi, ") "); | |
2886 | d_print_expr_op (dpi, d_left (dc)); | |
2887 | d_append_string (dpi, " ("); | |
2888 | d_print_comp (dpi, d_left (d_right (d_right (dc)))); | |
2889 | d_append_string (dpi, ") : ("); | |
2890 | d_print_comp (dpi, d_right (d_right (d_right (dc)))); | |
2891 | d_append_char (dpi, ')'); | |
2892 | return; | |
2893 | ||
2894 | case D_COMP_TRINARY_ARG1: | |
2895 | case D_COMP_TRINARY_ARG2: | |
2896 | /* We should only see these are part of D_COMP_TRINARY. */ | |
2897 | d_print_error (dpi); | |
2898 | return; | |
2899 | ||
2900 | case D_COMP_LITERAL: | |
2901 | /* For some builtin types, produce simpler output. */ | |
2902 | if (d_left (dc)->type == D_COMP_BUILTIN_TYPE) | |
2903 | { | |
2904 | switch (d_left (dc)->u.s_builtin.type->print) | |
2905 | { | |
2906 | case D_PRINT_INT: | |
2907 | if (d_right (dc)->type == D_COMP_NAME) | |
2908 | { | |
2909 | d_print_comp (dpi, d_right (dc)); | |
2910 | return; | |
2911 | } | |
2912 | break; | |
2913 | ||
2914 | case D_PRINT_LONG: | |
2915 | if (d_right (dc)->type == D_COMP_NAME) | |
2916 | { | |
2917 | d_print_comp (dpi, d_right (dc)); | |
2918 | d_append_char (dpi, 'l'); | |
2919 | return; | |
2920 | } | |
2921 | break; | |
69afa80d | 2922 | |
bd6946d1 ILT |
2923 | case D_PRINT_BOOL: |
2924 | if (d_right (dc)->type == D_COMP_NAME | |
2925 | && d_right (dc)->u.s_name.len == 1) | |
2926 | { | |
2927 | switch (d_right (dc)->u.s_name.s[0]) | |
2928 | { | |
2929 | case '0': | |
2930 | d_append_string (dpi, "false"); | |
2931 | return; | |
2932 | case '1': | |
2933 | d_append_string (dpi, "true"); | |
2934 | return; | |
2935 | default: | |
2936 | break; | |
2937 | } | |
2938 | } | |
2939 | break; | |
051664b0 | 2940 | |
bd6946d1 ILT |
2941 | default: |
2942 | break; | |
2943 | } | |
2944 | } | |
69afa80d | 2945 | |
bd6946d1 ILT |
2946 | d_append_char (dpi, '('); |
2947 | d_print_comp (dpi, d_left (dc)); | |
2948 | d_append_char (dpi, ')'); | |
2949 | d_print_comp (dpi, d_right (dc)); | |
2950 | return; | |
69afa80d | 2951 | |
bd6946d1 ILT |
2952 | default: |
2953 | d_print_error (dpi); | |
2954 | return; | |
2955 | } | |
69afa80d AS |
2956 | } |
2957 | ||
bd6946d1 | 2958 | /* Print an identifier. */ |
69afa80d | 2959 | |
bd6946d1 ILT |
2960 | static void |
2961 | d_print_identifier (dpi, name, len) | |
2962 | struct d_print_info *dpi; | |
2963 | const char *name; | |
2964 | int len; | |
69afa80d | 2965 | { |
bd6946d1 ILT |
2966 | if ((dpi->options & DMGL_JAVA) == 0) |
2967 | d_append_buffer (dpi, name, len); | |
2968 | else | |
69afa80d | 2969 | { |
bd6946d1 ILT |
2970 | const char *p; |
2971 | const char *end; | |
69afa80d | 2972 | |
bd6946d1 ILT |
2973 | /* For Java we try to handle encoded extended Unicode |
2974 | characters. The C++ ABI doesn't mention Unicode encoding, so | |
2975 | we don't it for C++. Characters are encoded as | |
2976 | __U<hex-char>+_. */ | |
2977 | end = name + len; | |
2978 | for (p = name; p < end; ++p) | |
69afa80d | 2979 | { |
bd6946d1 ILT |
2980 | if (end - p > 3 |
2981 | && p[0] == '_' | |
2982 | && p[1] == '_' | |
2983 | && p[2] == 'U') | |
2984 | { | |
2985 | unsigned long c; | |
2986 | const char *q; | |
69afa80d | 2987 | |
bd6946d1 ILT |
2988 | c = 0; |
2989 | for (q = p + 3; q < end; ++q) | |
2990 | { | |
2991 | int dig; | |
2992 | ||
2993 | if (*q >= '0' && *q <= '9') | |
2994 | dig = *q - '0'; | |
2995 | else if (*q >= 'A' && *q <= 'F') | |
2996 | dig = *q - 'A' + 10; | |
2997 | else if (*q >= 'a' && *q <= 'f') | |
2998 | dig = *q - 'a' + 10; | |
2999 | else | |
3000 | break; | |
3001 | ||
3002 | c = c * 16 + dig; | |
3003 | } | |
3004 | /* If the Unicode character is larger than 256, we don't | |
3005 | try to deal with it here. FIXME. */ | |
3006 | if (q < end && *q == '_' && c < 256) | |
3007 | { | |
3008 | d_append_char (dpi, c); | |
3009 | p = q; | |
3010 | continue; | |
3011 | } | |
3012 | } | |
69afa80d | 3013 | |
bd6946d1 ILT |
3014 | d_append_char (dpi, *p); |
3015 | } | |
69afa80d | 3016 | } |
69afa80d AS |
3017 | } |
3018 | ||
bd6946d1 | 3019 | /* Print a list of modifiers. */ |
69afa80d | 3020 | |
bd6946d1 ILT |
3021 | static void |
3022 | d_print_mod_list (dpi, mods) | |
3023 | struct d_print_info *dpi; | |
3024 | struct d_print_mod *mods; | |
69afa80d | 3025 | { |
bd6946d1 ILT |
3026 | if (mods == NULL || mods->printed || d_print_saw_error (dpi)) |
3027 | return; | |
69afa80d | 3028 | |
bd6946d1 | 3029 | if (mods->mod->type == D_COMP_FUNCTION_TYPE) |
69afa80d | 3030 | { |
bd6946d1 ILT |
3031 | mods->printed = 1; |
3032 | d_print_function_type (dpi, mods->mod, mods->next); | |
3033 | return; | |
3034 | } | |
3035 | else if (mods->mod->type == D_COMP_ARRAY_TYPE) | |
3036 | { | |
3037 | mods->printed = 1; | |
3038 | d_print_array_type (dpi, mods->mod, mods->next); | |
3039 | return; | |
3040 | } | |
69afa80d | 3041 | |
bd6946d1 | 3042 | mods->printed = 1; |
69afa80d | 3043 | |
bd6946d1 | 3044 | d_print_mod (dpi, mods->mod); |
69afa80d | 3045 | |
bd6946d1 | 3046 | d_print_mod_list (dpi, mods->next); |
69afa80d | 3047 | } |
bd6946d1 ILT |
3048 | |
3049 | /* Print a modifier. */ | |
69afa80d | 3050 | |
bd6946d1 ILT |
3051 | static void |
3052 | d_print_mod (dpi, mod) | |
3053 | struct d_print_info *dpi; | |
3054 | const struct d_comp *mod; | |
3055 | { | |
3056 | switch (mod->type) | |
3057 | { | |
3058 | case D_COMP_RESTRICT: | |
3059 | d_append_string (dpi, " restrict"); | |
3060 | return; | |
3061 | case D_COMP_VOLATILE: | |
3062 | d_append_string (dpi, " volatile"); | |
3063 | return; | |
3064 | case D_COMP_CONST: | |
3065 | d_append_string (dpi, " const"); | |
3066 | return; | |
3067 | case D_COMP_VENDOR_TYPE_QUAL: | |
3068 | d_append_char (dpi, ' '); | |
3069 | d_print_comp (dpi, d_right (mod)); | |
3070 | return; | |
3071 | case D_COMP_POINTER: | |
3072 | /* There is no pointer symbol in Java. */ | |
3073 | if ((dpi->options & DMGL_JAVA) == 0) | |
3074 | d_append_char (dpi, '*'); | |
3075 | return; | |
3076 | case D_COMP_REFERENCE: | |
3077 | d_append_char (dpi, '&'); | |
3078 | return; | |
3079 | case D_COMP_COMPLEX: | |
3080 | d_append_string (dpi, "complex "); | |
3081 | return; | |
3082 | case D_COMP_IMAGINARY: | |
3083 | d_append_string (dpi, "imaginary "); | |
3084 | return; | |
3085 | case D_COMP_PTRMEM_TYPE: | |
3086 | if (dpi->buf[dpi->len - 1] != '(') | |
3087 | d_append_char (dpi, ' '); | |
3088 | d_print_comp (dpi, d_left (mod)); | |
3089 | d_append_string (dpi, "::*"); | |
3090 | return; | |
3091 | case D_COMP_TYPED_NAME: | |
3092 | d_print_comp (dpi, d_left (mod)); | |
3093 | return; | |
3094 | default: | |
3095 | /* Otherwise, we have something that won't go back on the | |
3096 | modifier stack, so we can just print it. */ | |
3097 | d_print_comp (dpi, mod); | |
3098 | return; | |
3099 | } | |
3100 | } | |
69afa80d | 3101 | |
bd6946d1 | 3102 | /* Print a function type, except for the return type. */ |
69afa80d | 3103 | |
bd6946d1 ILT |
3104 | static void |
3105 | d_print_function_type (dpi, dc, mods) | |
3106 | struct d_print_info *dpi; | |
3107 | const struct d_comp *dc; | |
3108 | struct d_print_mod *mods; | |
69afa80d | 3109 | { |
bd6946d1 ILT |
3110 | if (mods != NULL) |
3111 | { | |
3112 | int need_paren; | |
3113 | int saw_mod; | |
3114 | struct d_print_mod *p; | |
69afa80d | 3115 | |
bd6946d1 ILT |
3116 | need_paren = 0; |
3117 | saw_mod = 0; | |
3118 | for (p = mods; p != NULL; p = p->next) | |
3119 | { | |
3120 | if (p->printed) | |
3121 | break; | |
69afa80d | 3122 | |
bd6946d1 ILT |
3123 | saw_mod = 1; |
3124 | switch (p->mod->type) | |
3125 | { | |
3126 | case D_COMP_RESTRICT: | |
3127 | case D_COMP_VOLATILE: | |
3128 | case D_COMP_CONST: | |
3129 | case D_COMP_VENDOR_TYPE_QUAL: | |
3130 | case D_COMP_POINTER: | |
3131 | case D_COMP_REFERENCE: | |
3132 | case D_COMP_COMPLEX: | |
3133 | case D_COMP_IMAGINARY: | |
3134 | case D_COMP_PTRMEM_TYPE: | |
3135 | need_paren = 1; | |
3136 | break; | |
3137 | default: | |
3138 | break; | |
3139 | } | |
3140 | if (need_paren) | |
3141 | break; | |
3142 | } | |
69afa80d | 3143 | |
bd6946d1 ILT |
3144 | if (d_left (dc) != NULL && ! saw_mod) |
3145 | need_paren = 1; | |
69afa80d | 3146 | |
bd6946d1 ILT |
3147 | if (need_paren) |
3148 | d_append_char (dpi, '('); | |
69afa80d | 3149 | |
bd6946d1 | 3150 | d_print_mod_list (dpi, mods); |
69afa80d | 3151 | |
bd6946d1 ILT |
3152 | if (need_paren) |
3153 | d_append_char (dpi, ')'); | |
69afa80d | 3154 | } |
69afa80d | 3155 | |
bd6946d1 | 3156 | d_append_char (dpi, '('); |
69afa80d | 3157 | |
bd6946d1 ILT |
3158 | if (d_right (dc) != NULL) |
3159 | d_print_comp (dpi, d_right (dc)); | |
69afa80d | 3160 | |
bd6946d1 ILT |
3161 | d_append_char (dpi, ')'); |
3162 | } | |
69afa80d | 3163 | |
bd6946d1 | 3164 | /* Print an array type, except for the element type. */ |
69afa80d | 3165 | |
bd6946d1 ILT |
3166 | static void |
3167 | d_print_array_type (dpi, dc, mods) | |
3168 | struct d_print_info *dpi; | |
3169 | const struct d_comp *dc; | |
3170 | struct d_print_mod *mods; | |
3171 | { | |
3172 | int need_space; | |
69afa80d | 3173 | |
bd6946d1 ILT |
3174 | need_space = 1; |
3175 | if (mods != NULL) | |
69afa80d | 3176 | { |
bd6946d1 ILT |
3177 | int need_paren; |
3178 | struct d_print_mod *p; | |
051664b0 | 3179 | |
bd6946d1 ILT |
3180 | need_paren = 0; |
3181 | for (p = mods; p != NULL; p = p->next) | |
69afa80d | 3182 | { |
bd6946d1 ILT |
3183 | if (p->printed) |
3184 | break; | |
69afa80d | 3185 | |
bd6946d1 | 3186 | if (p->mod->type == D_COMP_ARRAY_TYPE) |
69afa80d | 3187 | { |
bd6946d1 ILT |
3188 | need_space = 0; |
3189 | break; | |
69afa80d AS |
3190 | } |
3191 | else | |
3192 | { | |
bd6946d1 ILT |
3193 | need_paren = 1; |
3194 | need_space = 1; | |
3195 | break; | |
69afa80d | 3196 | } |
bd6946d1 | 3197 | } |
69afa80d | 3198 | |
bd6946d1 ILT |
3199 | if (need_paren) |
3200 | d_append_string (dpi, " ("); | |
69afa80d | 3201 | |
bd6946d1 | 3202 | d_print_mod_list (dpi, mods); |
69afa80d | 3203 | |
bd6946d1 ILT |
3204 | if (need_paren) |
3205 | d_append_char (dpi, ')'); | |
3206 | } | |
69afa80d | 3207 | |
bd6946d1 ILT |
3208 | if (need_space) |
3209 | d_append_char (dpi, ' '); | |
051664b0 | 3210 | |
bd6946d1 | 3211 | d_append_char (dpi, '['); |
051664b0 | 3212 | |
bd6946d1 ILT |
3213 | if (d_left (dc) != NULL) |
3214 | d_print_comp (dpi, d_left (dc)); | |
69afa80d | 3215 | |
bd6946d1 ILT |
3216 | d_append_char (dpi, ']'); |
3217 | } | |
69afa80d | 3218 | |
bd6946d1 | 3219 | /* Print an operator in an expression. */ |
69afa80d | 3220 | |
bd6946d1 ILT |
3221 | static void |
3222 | d_print_expr_op (dpi, dc) | |
3223 | struct d_print_info *dpi; | |
3224 | const struct d_comp *dc; | |
3225 | { | |
3226 | if (dc->type == D_COMP_OPERATOR) | |
3227 | d_append_string (dpi, dc->u.s_operator.op->name); | |
3228 | else | |
3229 | d_print_comp (dpi, dc); | |
69afa80d AS |
3230 | } |
3231 | ||
bd6946d1 | 3232 | /* Print a cast. */ |
69afa80d | 3233 | |
bd6946d1 ILT |
3234 | static void |
3235 | d_print_cast (dpi, dc) | |
3236 | struct d_print_info *dpi; | |
3237 | const struct d_comp *dc; | |
69afa80d | 3238 | { |
bd6946d1 ILT |
3239 | if (d_left (dc)->type != D_COMP_TEMPLATE) |
3240 | d_print_comp (dpi, d_left (dc)); | |
3241 | else | |
3242 | { | |
3243 | struct d_print_template dpt; | |
820555e6 | 3244 | |
bd6946d1 ILT |
3245 | /* It appears that for a templated cast operator, we need to put |
3246 | the template parameters in scope for the operator name, but | |
3247 | not for the parameters. The effect is that we need to handle | |
3248 | the template printing here. FIXME: Verify this. */ | |
69afa80d | 3249 | |
bd6946d1 ILT |
3250 | dpt.next = dpi->templates; |
3251 | dpi->templates = &dpt; | |
3252 | dpt.template = d_left (dc); | |
820555e6 | 3253 | |
bd6946d1 | 3254 | d_print_comp (dpi, d_left (d_left (dc))); |
820555e6 | 3255 | |
bd6946d1 | 3256 | dpi->templates = dpt.next; |
69afa80d | 3257 | |
bd6946d1 ILT |
3258 | d_append_char (dpi, '<'); |
3259 | d_print_comp (dpi, d_right (d_left (dc))); | |
3260 | /* Avoid generating two consecutive '>' characters, to avoid | |
3261 | the C++ syntactic ambiguity. */ | |
3262 | if (dpi->buf[dpi->len - 1] == '>') | |
3263 | d_append_char (dpi, ' '); | |
3264 | d_append_char (dpi, '>'); | |
69afa80d | 3265 | } |
bd6946d1 ILT |
3266 | } |
3267 | ||
3268 | /* Initialize the information structure we use to pass around | |
3269 | information. */ | |
3270 | ||
3271 | static int | |
3272 | d_init_info (mangled, options, len, di) | |
3273 | const char *mangled; | |
3274 | int options; | |
3275 | size_t len; | |
3276 | struct d_info *di; | |
69afa80d | 3277 | { |
bd6946d1 ILT |
3278 | di->s = mangled; |
3279 | di->options = options; | |
69afa80d | 3280 | |
bd6946d1 ILT |
3281 | di->n = mangled; |
3282 | ||
3283 | /* We can not need more components than twice the number of chars in | |
3284 | the mangled string. Most components correspond directly to | |
3285 | chars, but the ARGLIST types are exceptions. */ | |
3286 | di->num_comps = 2 * len; | |
3287 | di->comps = (struct d_comp *) malloc (di->num_comps | |
3288 | * sizeof (struct d_comp)); | |
3289 | di->next_comp = 0; | |
3290 | ||
3291 | /* Similarly, we can not need more substitutions than there are | |
3292 | chars in the mangled string divided by 2, since it takes at least | |
3293 | two chars to refer to a substitution. */ | |
3294 | di->num_subs = (len + 1) / 2; | |
3295 | di->subs = (struct d_comp **) malloc (di->num_subs | |
3296 | * sizeof (struct d_comp *)); | |
3297 | di->next_sub = 0; | |
3298 | ||
3299 | di->last_name = NULL; | |
3300 | ||
3301 | if (di->comps == NULL || di->subs == NULL) | |
69afa80d | 3302 | { |
bd6946d1 ILT |
3303 | if (di->comps != NULL) |
3304 | free (di->comps); | |
3305 | if (di->subs != NULL) | |
3306 | free (di->subs); | |
3307 | return 0; | |
69afa80d AS |
3308 | } |
3309 | ||
bd6946d1 | 3310 | return 1; |
69afa80d AS |
3311 | } |
3312 | ||
bd6946d1 ILT |
3313 | /* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled |
3314 | name, return a buffer allocated with malloc holding the demangled | |
3315 | name. OPTIONS is the usual libiberty demangler options. On | |
3316 | success, this sets *PALC to the allocated size of the returned | |
3317 | buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for | |
3318 | a memory allocation failure. On failure, this returns NULL. */ | |
69afa80d | 3319 | |
bd6946d1 ILT |
3320 | static char * |
3321 | d_demangle (mangled, options, palc) | |
3322 | const char* mangled; | |
3323 | int options; | |
3324 | size_t *palc; | |
69afa80d | 3325 | { |
bd6946d1 ILT |
3326 | size_t len; |
3327 | int type; | |
3328 | struct d_info di; | |
3329 | struct d_comp *dc; | |
3330 | char *ret; | |
69afa80d | 3331 | |
bd6946d1 | 3332 | *palc = 0; |
69afa80d | 3333 | |
bd6946d1 ILT |
3334 | len = strlen (mangled); |
3335 | ||
3336 | if (mangled[0] == '_' && mangled[1] == 'Z') | |
3337 | type = 0; | |
3338 | else if (strncmp (mangled, "_GLOBAL_", 8) == 0 | |
3339 | && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$') | |
3340 | && (mangled[9] == 'D' || mangled[9] == 'I') | |
3341 | && mangled[10] == '_') | |
3342 | { | |
3343 | char *r; | |
69afa80d | 3344 | |
bd6946d1 ILT |
3345 | r = malloc (40 + len - 11); |
3346 | if (r == NULL) | |
3347 | *palc = 1; | |
3348 | else | |
69afa80d | 3349 | { |
bd6946d1 ILT |
3350 | if (mangled[9] == 'I') |
3351 | strcpy (r, "global constructors keyed to "); | |
3352 | else | |
3353 | strcpy (r, "global destructors keyed to "); | |
3354 | strcat (r, mangled + 11); | |
69afa80d | 3355 | } |
bd6946d1 | 3356 | return r; |
69afa80d AS |
3357 | } |
3358 | else | |
3359 | { | |
bd6946d1 ILT |
3360 | if ((options & DMGL_TYPES) == 0) |
3361 | return NULL; | |
3362 | type = 1; | |
69afa80d AS |
3363 | } |
3364 | ||
bd6946d1 | 3365 | if (! d_init_info (mangled, options, len, &di)) |
051664b0 | 3366 | { |
bd6946d1 ILT |
3367 | *palc = 1; |
3368 | return NULL; | |
051664b0 AS |
3369 | } |
3370 | ||
bd6946d1 ILT |
3371 | if (! type) |
3372 | dc = d_mangled_name (&di); | |
3373 | else | |
3374 | dc = d_type (&di); | |
3375 | ||
3376 | #ifdef CP_DEMANGLE_DEBUG | |
3377 | if (dc == NULL) | |
3378 | printf ("failed demangling\n"); | |
3379 | else | |
3380 | d_dump (dc, 0); | |
3381 | #endif | |
3382 | ||
3383 | free (di.subs); | |
3384 | di.subs = NULL; | |
051664b0 | 3385 | |
bd6946d1 ILT |
3386 | ret = NULL; |
3387 | if (dc != NULL) | |
3388 | ret = d_print (options, dc, palc); | |
051664b0 | 3389 | |
bd6946d1 | 3390 | free (di.comps); |
051664b0 | 3391 | |
bd6946d1 | 3392 | return ret; |
69afa80d AS |
3393 | } |
3394 | ||
bd7e6f2d | 3395 | #if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3) |
bd6946d1 | 3396 | |
051664b0 AS |
3397 | extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *)); |
3398 | ||
bd6946d1 ILT |
3399 | /* ia64 ABI-mandated entry point in the C++ runtime library for |
3400 | performing demangling. MANGLED_NAME is a NUL-terminated character | |
3401 | string containing the name to be demangled. | |
051664b0 AS |
3402 | |
3403 | OUTPUT_BUFFER is a region of memory, allocated with malloc, of | |
3404 | *LENGTH bytes, into which the demangled name is stored. If | |
3405 | OUTPUT_BUFFER is not long enough, it is expanded using realloc. | |
3406 | OUTPUT_BUFFER may instead be NULL; in that case, the demangled name | |
bd6946d1 | 3407 | is placed in a region of memory allocated with malloc. |
051664b0 AS |
3408 | |
3409 | If LENGTH is non-NULL, the length of the buffer conaining the | |
bd6946d1 | 3410 | demangled name, is placed in *LENGTH. |
051664b0 AS |
3411 | |
3412 | The return value is a pointer to the start of the NUL-terminated | |
3413 | demangled name, or NULL if the demangling fails. The caller is | |
bd6946d1 | 3414 | responsible for deallocating this memory using free. |
051664b0 AS |
3415 | |
3416 | *STATUS is set to one of the following values: | |
3417 | 0: The demangling operation succeeded. | |
bd6946d1 | 3418 | -1: A memory allocation failure occurred. |
051664b0 AS |
3419 | -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules. |
3420 | -3: One of the arguments is invalid. | |
3421 | ||
bd6946d1 | 3422 | The demangling is performed using the C++ ABI mangling rules, with |
051664b0 AS |
3423 | GNU extensions. */ |
3424 | ||
3425 | char * | |
3426 | __cxa_demangle (mangled_name, output_buffer, length, status) | |
3427 | const char *mangled_name; | |
3428 | char *output_buffer; | |
3429 | size_t *length; | |
3430 | int *status; | |
3431 | { | |
bd6946d1 ILT |
3432 | char *demangled; |
3433 | size_t alc; | |
051664b0 AS |
3434 | |
3435 | if (status == NULL) | |
3436 | return NULL; | |
3437 | ||
bd6946d1 ILT |
3438 | if (mangled_name == NULL) |
3439 | { | |
051664b0 AS |
3440 | *status = -3; |
3441 | return NULL; | |
3442 | } | |
051664b0 | 3443 | |
bd6946d1 | 3444 | if (output_buffer != NULL && length == NULL) |
051664b0 | 3445 | { |
bd6946d1 ILT |
3446 | *status = -3; |
3447 | return NULL; | |
051664b0 | 3448 | } |
bd6946d1 ILT |
3449 | |
3450 | demangled = d_demangle (mangled_name, DMGL_TYPES, &alc); | |
3451 | ||
3452 | if (demangled == NULL) | |
051664b0 | 3453 | { |
bd6946d1 ILT |
3454 | if (alc == 1) |
3455 | *status = -1; | |
3456 | else | |
3457 | *status = -2; | |
051664b0 AS |
3458 | return NULL; |
3459 | } | |
bd6946d1 ILT |
3460 | |
3461 | if (output_buffer == NULL) | |
3462 | { | |
3463 | if (length != NULL) | |
3464 | *length = alc; | |
3465 | } | |
051664b0 | 3466 | else |
051664b0 | 3467 | { |
bd6946d1 ILT |
3468 | if (strlen (demangled) < *length) |
3469 | { | |
3470 | strcpy (output_buffer, demangled); | |
3471 | free (demangled); | |
3472 | demangled = output_buffer; | |
3473 | } | |
3474 | else | |
3475 | { | |
3476 | free (output_buffer); | |
3477 | *length = alc; | |
3478 | } | |
051664b0 | 3479 | } |
bd6946d1 ILT |
3480 | |
3481 | *status = 0; | |
3482 | ||
3483 | return demangled; | |
051664b0 AS |
3484 | } |
3485 | ||
bd7e6f2d | 3486 | #else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */ |
051664b0 | 3487 | |
bd6946d1 ILT |
3488 | /* Entry point for libiberty demangler. If MANGLED is a g++ v3 ABI |
3489 | mangled name, return a buffer allocated with malloc holding the | |
3490 | demangled name. Otherwise, return NULL. */ | |
69afa80d AS |
3491 | |
3492 | char * | |
c13db5d1 | 3493 | cplus_demangle_v3 (mangled, options) |
69afa80d | 3494 | const char* mangled; |
c13db5d1 | 3495 | int options; |
69afa80d | 3496 | { |
bd6946d1 | 3497 | size_t alc; |
b5d1497d | 3498 | |
bd6946d1 | 3499 | return d_demangle (mangled, options, &alc); |
69afa80d AS |
3500 | } |
3501 | ||
3b60dd8e BM |
3502 | /* Demangle a Java symbol. Java uses a subset of the V3 ABI C++ mangling |
3503 | conventions, but the output formatting is a little different. | |
3504 | This instructs the C++ demangler not to emit pointer characters ("*"), and | |
3505 | to use Java's namespace separator symbol ("." instead of "::"). It then | |
3506 | does an additional pass over the demangled output to replace instances | |
3507 | of JArray<TYPE> with TYPE[]. */ | |
3508 | ||
3509 | char * | |
3510 | java_demangle_v3 (mangled) | |
3511 | const char* mangled; | |
3512 | { | |
bd6946d1 ILT |
3513 | size_t alc; |
3514 | char *demangled; | |
3515 | int nesting; | |
3516 | char *from; | |
3517 | char *to; | |
3518 | ||
3519 | demangled = d_demangle (mangled, DMGL_JAVA, &alc); | |
3520 | ||
3521 | if (demangled == NULL) | |
3522 | return NULL; | |
3523 | ||
3524 | nesting = 0; | |
3525 | from = demangled; | |
3526 | to = from; | |
3527 | while (*from != '\0') | |
3b60dd8e | 3528 | { |
bd6946d1 ILT |
3529 | if (strncmp (from, "JArray<", 7) == 0) |
3530 | { | |
3531 | from += 7; | |
3b60dd8e | 3532 | ++nesting; |
3b60dd8e | 3533 | } |
bd6946d1 ILT |
3534 | else if (nesting > 0 && *from == '>') |
3535 | { | |
3536 | while (to > demangled && to[-1] == ' ') | |
3537 | --to; | |
3538 | *to++ = '['; | |
3539 | *to++ = ']'; | |
3b60dd8e | 3540 | --nesting; |
bd6946d1 | 3541 | ++from; |
3b60dd8e BM |
3542 | } |
3543 | else | |
bd6946d1 | 3544 | *to++ = *from++; |
3b60dd8e BM |
3545 | } |
3546 | ||
bd6946d1 | 3547 | *to = '\0'; |
a8f55e51 | 3548 | |
bd6946d1 | 3549 | return demangled; |
3b60dd8e BM |
3550 | } |
3551 | ||
bd7e6f2d | 3552 | #endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */ |
051664b0 | 3553 | |
84326592 | 3554 | #ifndef IN_GLIBCPP_V3 |
bd6946d1 ILT |
3555 | |
3556 | /* Demangle a string in order to find out whether it is a constructor | |
3557 | or destructor. Return non-zero on success. Set *CTOR_KIND and | |
3558 | *DTOR_KIND appropriately. */ | |
3559 | ||
3560 | static int | |
3561 | is_ctor_or_dtor (mangled, ctor_kind, dtor_kind) | |
3562 | const char *mangled; | |
3563 | enum gnu_v3_ctor_kinds *ctor_kind; | |
3564 | enum gnu_v3_dtor_kinds *dtor_kind; | |
7dce2eff | 3565 | { |
bd6946d1 ILT |
3566 | struct d_info di; |
3567 | struct d_comp *dc; | |
7dce2eff | 3568 | |
bd6946d1 ILT |
3569 | *ctor_kind = (enum gnu_v3_ctor_kinds) 0; |
3570 | *dtor_kind = (enum gnu_v3_dtor_kinds) 0; | |
3571 | ||
3572 | if (! d_init_info (mangled, DMGL_GNU_V3, strlen (mangled), &di)) | |
7dce2eff JB |
3573 | return 0; |
3574 | ||
bd6946d1 ILT |
3575 | dc = d_mangled_name (&di); |
3576 | ||
3577 | if (dc == NULL) | |
3578 | return 0; | |
7dce2eff | 3579 | |
bd6946d1 | 3580 | while (dc != NULL) |
7dce2eff | 3581 | { |
bd6946d1 ILT |
3582 | switch (dc->type) |
3583 | { | |
3584 | default: | |
3585 | return 0; | |
3586 | case D_COMP_TYPED_NAME: | |
3587 | case D_COMP_TEMPLATE: | |
3588 | case D_COMP_RESTRICT: | |
3589 | case D_COMP_VOLATILE: | |
3590 | case D_COMP_CONST: | |
3591 | case D_COMP_VENDOR_TYPE_QUAL: | |
3592 | dc = d_left (dc); | |
3593 | break; | |
3594 | case D_COMP_QUAL_NAME: | |
3595 | dc = d_right (dc); | |
3596 | break; | |
3597 | case D_COMP_CTOR: | |
3598 | *ctor_kind = dc->u.s_ctor.kind; | |
3599 | return 1; | |
3600 | case D_COMP_DTOR: | |
3601 | *dtor_kind = dc->u.s_dtor.kind; | |
3602 | return 1; | |
3603 | } | |
7dce2eff JB |
3604 | } |
3605 | ||
7dce2eff JB |
3606 | return 0; |
3607 | } | |
3608 | ||
bd6946d1 ILT |
3609 | /* Return whether NAME is the mangled form of a g++ V3 ABI constructor |
3610 | name. A non-zero return indicates the type of constructor. */ | |
7dce2eff | 3611 | |
7dce2eff | 3612 | enum gnu_v3_ctor_kinds |
641b2721 ZW |
3613 | is_gnu_v3_mangled_ctor (name) |
3614 | const char *name; | |
7dce2eff | 3615 | { |
bd6946d1 ILT |
3616 | enum gnu_v3_ctor_kinds ctor_kind; |
3617 | enum gnu_v3_dtor_kinds dtor_kind; | |
7dce2eff | 3618 | |
bd6946d1 | 3619 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
f08b7eee | 3620 | return (enum gnu_v3_ctor_kinds) 0; |
bd6946d1 | 3621 | return ctor_kind; |
7dce2eff JB |
3622 | } |
3623 | ||
3624 | ||
bd6946d1 ILT |
3625 | /* Return whether NAME is the mangled form of a g++ V3 ABI destructor |
3626 | name. A non-zero return indicates the type of destructor. */ | |
3627 | ||
7dce2eff | 3628 | enum gnu_v3_dtor_kinds |
641b2721 ZW |
3629 | is_gnu_v3_mangled_dtor (name) |
3630 | const char *name; | |
7dce2eff | 3631 | { |
bd6946d1 ILT |
3632 | enum gnu_v3_ctor_kinds ctor_kind; |
3633 | enum gnu_v3_dtor_kinds dtor_kind; | |
7dce2eff | 3634 | |
bd6946d1 | 3635 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
f08b7eee | 3636 | return (enum gnu_v3_dtor_kinds) 0; |
bd6946d1 | 3637 | return dtor_kind; |
7dce2eff JB |
3638 | } |
3639 | ||
bd6946d1 | 3640 | #endif /* IN_GLIBCPP_V3 */ |
7dce2eff | 3641 | |
69afa80d AS |
3642 | #ifdef STANDALONE_DEMANGLER |
3643 | ||
3644 | #include "getopt.h" | |
bd6946d1 ILT |
3645 | #include "dyn-string.h" |
3646 | ||
3647 | static void print_usage PARAMS ((FILE* fp, int exit_value)); | |
69afa80d | 3648 | |
bd6946d1 ILT |
3649 | #define IS_ALPHA(CHAR) \ |
3650 | (((CHAR) >= 'a' && (CHAR) <= 'z') \ | |
3651 | || ((CHAR) >= 'A' && (CHAR) <= 'Z')) | |
69afa80d AS |
3652 | |
3653 | /* Non-zero if CHAR is a character than can occur in a mangled name. */ | |
3faa108c | 3654 | #define is_mangled_char(CHAR) \ |
31e0ab1f AS |
3655 | (IS_ALPHA (CHAR) || IS_DIGIT (CHAR) \ |
3656 | || (CHAR) == '_' || (CHAR) == '.' || (CHAR) == '$') | |
69afa80d AS |
3657 | |
3658 | /* The name of this program, as invoked. */ | |
3659 | const char* program_name; | |
3660 | ||
3661 | /* Prints usage summary to FP and then exits with EXIT_VALUE. */ | |
3662 | ||
3663 | static void | |
3664 | print_usage (fp, exit_value) | |
3665 | FILE* fp; | |
3666 | int exit_value; | |
3667 | { | |
3668 | fprintf (fp, "Usage: %s [options] [names ...]\n", program_name); | |
d01ce591 | 3669 | fprintf (fp, "Options:\n"); |
69afa80d | 3670 | fprintf (fp, " -h,--help Display this message.\n"); |
69afa80d AS |
3671 | fprintf (fp, " -v,--verbose Produce verbose demanglings.\n"); |
3672 | fprintf (fp, "If names are provided, they are demangled. Otherwise filters standard input.\n"); | |
3673 | ||
3674 | exit (exit_value); | |
3675 | } | |
3676 | ||
3677 | /* Option specification for getopt_long. */ | |
5e65297b | 3678 | static const struct option long_options[] = |
69afa80d AS |
3679 | { |
3680 | { "help", no_argument, NULL, 'h' }, | |
69afa80d AS |
3681 | { "verbose", no_argument, NULL, 'v' }, |
3682 | { NULL, no_argument, NULL, 0 }, | |
3683 | }; | |
3684 | ||
3685 | /* Main entry for a demangling filter executable. It will demangle | |
3686 | its command line arguments, if any. If none are provided, it will | |
3687 | filter stdin to stdout, replacing any recognized mangled C++ names | |
3688 | with their demangled equivalents. */ | |
3689 | ||
3690 | int | |
3691 | main (argc, argv) | |
3692 | int argc; | |
3693 | char *argv[]; | |
3694 | { | |
69afa80d AS |
3695 | int i; |
3696 | int opt_char; | |
bd6946d1 | 3697 | int options = DMGL_PARAMS | DMGL_ANSI | DMGL_TYPES; |
69afa80d AS |
3698 | |
3699 | /* Use the program name of this program, as invoked. */ | |
3700 | program_name = argv[0]; | |
3701 | ||
3702 | /* Parse options. */ | |
3703 | do | |
3704 | { | |
bd6946d1 | 3705 | opt_char = getopt_long (argc, argv, "hv", long_options, NULL); |
69afa80d AS |
3706 | switch (opt_char) |
3707 | { | |
3708 | case '?': /* Unrecognized option. */ | |
3709 | print_usage (stderr, 1); | |
3710 | break; | |
3711 | ||
3712 | case 'h': | |
3713 | print_usage (stdout, 0); | |
3714 | break; | |
3715 | ||
69afa80d | 3716 | case 'v': |
bd6946d1 | 3717 | options |= DMGL_VERBOSE; |
69afa80d AS |
3718 | break; |
3719 | } | |
3720 | } | |
3721 | while (opt_char != -1); | |
3722 | ||
3723 | if (optind == argc) | |
3724 | /* No command line arguments were provided. Filter stdin. */ | |
3725 | { | |
3726 | dyn_string_t mangled = dyn_string_new (3); | |
bd6946d1 | 3727 | char *s; |
69afa80d AS |
3728 | |
3729 | /* Read all of input. */ | |
3730 | while (!feof (stdin)) | |
3731 | { | |
bd6946d1 | 3732 | char c; |
69afa80d AS |
3733 | |
3734 | /* Pile characters into mangled until we hit one that can't | |
3735 | occur in a mangled name. */ | |
3736 | c = getchar (); | |
3737 | while (!feof (stdin) && is_mangled_char (c)) | |
3738 | { | |
3739 | dyn_string_append_char (mangled, c); | |
3740 | if (feof (stdin)) | |
3741 | break; | |
3742 | c = getchar (); | |
3743 | } | |
3744 | ||
bd6946d1 | 3745 | if (dyn_string_length (mangled) > 0) |
051664b0 | 3746 | { |
bd6946d1 ILT |
3747 | s = cplus_demangle_v3 (dyn_string_buf (mangled), options); |
3748 | ||
3749 | if (s != NULL) | |
3750 | { | |
3751 | fputs (s, stdout); | |
3752 | free (s); | |
3753 | } | |
3754 | else | |
3755 | { | |
3756 | /* It might not have been a mangled name. Print the | |
3757 | original text. */ | |
3758 | fputs (dyn_string_buf (mangled), stdout); | |
3759 | } | |
3760 | ||
3761 | dyn_string_clear (mangled); | |
051664b0 | 3762 | } |
69afa80d AS |
3763 | |
3764 | /* If we haven't hit EOF yet, we've read one character that | |
3765 | can't occur in a mangled name, so print it out. */ | |
3766 | if (!feof (stdin)) | |
3767 | putchar (c); | |
69afa80d AS |
3768 | } |
3769 | ||
3770 | dyn_string_delete (mangled); | |
69afa80d AS |
3771 | } |
3772 | else | |
3773 | /* Demangle command line arguments. */ | |
3774 | { | |
69afa80d AS |
3775 | /* Loop over command line arguments. */ |
3776 | for (i = optind; i < argc; ++i) | |
3777 | { | |
bd6946d1 ILT |
3778 | char *s; |
3779 | ||
69afa80d | 3780 | /* Attempt to demangle. */ |
bd6946d1 | 3781 | s = cplus_demangle_v3 (argv[i], options); |
69afa80d AS |
3782 | |
3783 | /* If it worked, print the demangled name. */ | |
bd6946d1 | 3784 | if (s != NULL) |
051664b0 | 3785 | { |
bd6946d1 ILT |
3786 | printf ("%s\n", s); |
3787 | free (s); | |
051664b0 | 3788 | } |
bd6946d1 ILT |
3789 | else |
3790 | fprintf (stderr, "Failed: %s\n", argv[i]); | |
69afa80d | 3791 | } |
69afa80d AS |
3792 | } |
3793 | ||
3794 | return 0; | |
3795 | } | |
3796 | ||
3797 | #endif /* STANDALONE_DEMANGLER */ |