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d00edca5 DD |
1 | /* Demangler for g++ V3 ABI. |
2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
3 | Written by Ian Lance Taylor <ian@wasabisystems.com>. | |
eb383413 | 4 | |
9ad1aa29 | 5 | This file is part of the libiberty library, which is part of GCC. |
74bcd529 | 6 | |
9ad1aa29 | 7 | This file is free software; you can redistribute it and/or modify |
eb383413 L |
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 | ||
35efcd67 DD |
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 | ||
eb383413 L |
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 | ||
eb383413 L |
31 | #ifdef HAVE_CONFIG_H |
32 | #include "config.h" | |
33 | #endif | |
34 | ||
d00edca5 | 35 | #include <stdio.h> |
b1233257 | 36 | |
eb383413 L |
37 | #ifdef HAVE_STDLIB_H |
38 | #include <stdlib.h> | |
39 | #endif | |
eb383413 L |
40 | #ifdef HAVE_STRING_H |
41 | #include <string.h> | |
42 | #endif | |
43 | ||
44 | #include "ansidecl.h" | |
45 | #include "libiberty.h" | |
eb383413 L |
46 | #include "demangle.h" |
47 | ||
d00edca5 DD |
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 | |
eb383413 | 51 | |
d00edca5 DD |
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') | |
03d5f569 | 61 | |
74bcd529 DD |
62 | /* The prefix prepended by GCC to an identifier represnting the |
63 | anonymous namespace. */ | |
64 | #define ANONYMOUS_NAMESPACE_PREFIX "_GLOBAL_" | |
d00edca5 DD |
65 | #define ANONYMOUS_NAMESPACE_PREFIX_LEN \ |
66 | (sizeof (ANONYMOUS_NAMESPACE_PREFIX) - 1) | |
74bcd529 | 67 | |
d00edca5 | 68 | /* Information we keep for operators. */ |
eb383413 | 69 | |
d00edca5 | 70 | struct d_operator_info |
eb383413 | 71 | { |
d00edca5 DD |
72 | /* Mangled name. */ |
73 | const char *code; | |
74 | /* Real name. */ | |
75 | const char *name; | |
76 | /* Number of arguments. */ | |
77 | int args; | |
78 | }; | |
59666b35 | 79 | |
d00edca5 | 80 | /* How to print the value of a builtin type. */ |
59666b35 | 81 | |
d00edca5 DD |
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 | |
eb383413 L |
94 | }; |
95 | ||
d00edca5 | 96 | /* Information we keep for a builtin type. */ |
eb383413 | 97 | |
d00edca5 | 98 | struct d_builtin_type_info |
eb383413 | 99 | { |
d00edca5 DD |
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 | }; | |
eb383413 | 107 | |
d00edca5 DD |
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 | |
eb383413 L |
201 | }; |
202 | ||
d00edca5 | 203 | /* A component of the mangled name. */ |
eb383413 | 204 | |
d00edca5 | 205 | struct d_comp |
eb383413 | 206 | { |
d00edca5 DD |
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; | |
eb383413 | 219 | |
d00edca5 DD |
220 | /* For D_COMP_OPERATOR. */ |
221 | struct | |
222 | { | |
223 | /* Operator. */ | |
224 | const struct d_operator_info *op; | |
225 | } s_operator; | |
eb383413 | 226 | |
d00edca5 DD |
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; | |
eb383413 | 235 | |
d00edca5 DD |
236 | /* For D_COMP_CTOR. */ |
237 | struct | |
238 | { | |
239 | enum gnu_v3_ctor_kinds kind; | |
240 | struct d_comp *name; | |
241 | } s_ctor; | |
eb383413 | 242 | |
d00edca5 DD |
243 | /* For D_COMP_DTOR. */ |
244 | struct | |
245 | { | |
246 | enum gnu_v3_dtor_kinds kind; | |
247 | struct d_comp *name; | |
248 | } s_dtor; | |
eb383413 | 249 | |
d00edca5 DD |
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; | |
eb383413 | 261 | |
d00edca5 DD |
262 | /* For D_COMP_TEMPLATE_PARAM. */ |
263 | struct | |
264 | { | |
265 | long number; | |
266 | } s_number; | |
eb383413 | 267 | |
d00edca5 DD |
268 | /* For other types. */ |
269 | struct | |
270 | { | |
271 | struct d_comp *left; | |
272 | struct d_comp *right; | |
273 | } s_binary; | |
eb383413 | 274 | |
d00edca5 DD |
275 | } u; |
276 | }; | |
eb383413 | 277 | |
d00edca5 DD |
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 | }; | |
eb383413 | 306 | |
d00edca5 DD |
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) | |
eb383413 | 312 | |
d00edca5 | 313 | /* A list of templates. This is used while printing. */ |
eb383413 | 314 | |
d00edca5 DD |
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 | }; | |
eb383413 | 322 | |
d00edca5 | 323 | /* A list of type modifiers. This is used while printing. */ |
eb383413 | 324 | |
d00edca5 DD |
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 | }; | |
eb383413 | 335 | |
d00edca5 DD |
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 | }; | |
e61231f1 | 356 | |
d00edca5 | 357 | #define d_print_saw_error(dpi) ((dpi)->buf == NULL) |
e61231f1 | 358 | |
d00edca5 DD |
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) | |
e61231f1 | 368 | |
d00edca5 DD |
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) | |
eb383413 | 381 | |
d00edca5 DD |
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 | } \ | |
03d5f569 JM |
388 | while (0) |
389 | ||
eb383413 | 390 | #ifdef CP_DEMANGLE_DEBUG |
d00edca5 | 391 | static void d_dump PARAMS ((struct d_comp *, int)); |
eb383413 | 392 | #endif |
d00edca5 DD |
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 | ||
eb383413 | 473 | #ifdef CP_DEMANGLE_DEBUG |
d00edca5 DD |
474 | |
475 | static void | |
476 | d_dump (dc, indent) | |
477 | struct d_comp *dc; | |
478 | int indent; | |
eb383413 L |
479 | { |
480 | int i; | |
eb383413 | 481 | |
d00edca5 DD |
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; | |
eb383413 L |
630 | } |
631 | ||
d00edca5 DD |
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; | |
eb383413 | 730 | } |
d00edca5 DD |
731 | |
732 | p = d_make_empty (di, type); | |
733 | if (p != NULL) | |
eb383413 | 734 | { |
d00edca5 DD |
735 | p->u.s_binary.left = left; |
736 | p->u.s_binary.right = right; | |
eb383413 | 737 | } |
d00edca5 DD |
738 | return p; |
739 | } | |
eb383413 | 740 | |
d00edca5 | 741 | /* Add a new name component. */ |
03d5f569 | 742 | |
d00edca5 DD |
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; | |
03d5f569 | 750 | |
d00edca5 DD |
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; | |
eb383413 | 756 | } |
d00edca5 | 757 | return p; |
eb383413 L |
758 | } |
759 | ||
d00edca5 | 760 | /* Add a new builtin type component. */ |
eb383413 | 761 | |
d00edca5 DD |
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; | |
eb383413 | 766 | { |
d00edca5 DD |
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 | } | |
eb383413 | 774 | |
d00edca5 | 775 | /* Add a new operator component. */ |
eb383413 | 776 | |
d00edca5 DD |
777 | static struct d_comp * |
778 | d_make_operator (di, op) | |
779 | struct d_info *di; | |
780 | const struct d_operator_info *op; | |
eb383413 | 781 | { |
d00edca5 DD |
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; | |
eb383413 L |
788 | } |
789 | ||
d00edca5 | 790 | /* Add a new extended operator component. */ |
eb383413 | 791 | |
d00edca5 DD |
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; | |
eb383413 | 797 | { |
d00edca5 | 798 | struct d_comp *p; |
03d5f569 | 799 | |
d00edca5 DD |
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; | |
eb383413 L |
807 | } |
808 | ||
d00edca5 | 809 | /* Add a new constructor component. */ |
eb383413 | 810 | |
d00edca5 DD |
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; | |
eb383413 | 816 | { |
d00edca5 DD |
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; | |
eb383413 L |
826 | } |
827 | ||
d00edca5 | 828 | /* Add a new destructor component. */ |
eb383413 | 829 | |
d00edca5 DD |
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; | |
eb383413 | 835 | { |
d00edca5 DD |
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; | |
eb383413 L |
845 | } |
846 | ||
d00edca5 | 847 | /* Add a new template parameter. */ |
59666b35 | 848 | |
d00edca5 DD |
849 | static struct d_comp * |
850 | d_make_template_param (di, i) | |
851 | struct d_info *di; | |
852 | long i; | |
59666b35 | 853 | { |
d00edca5 DD |
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; | |
59666b35 DD |
860 | } |
861 | ||
d00edca5 | 862 | /* Add a new standard substitution component. */ |
59666b35 | 863 | |
d00edca5 DD |
864 | static struct d_comp * |
865 | d_make_sub (di, name) | |
866 | struct d_info *di; | |
867 | const char *name; | |
59666b35 | 868 | { |
d00edca5 DD |
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; | |
59666b35 DD |
875 | } |
876 | ||
d00edca5 | 877 | /* <mangled-name> ::= _Z <encoding> */ |
59666b35 | 878 | |
d00edca5 DD |
879 | static struct d_comp * |
880 | d_mangled_name (di) | |
881 | struct d_info *di; | |
59666b35 | 882 | { |
d00edca5 DD |
883 | if (d_next_char (di) != '_') |
884 | return NULL; | |
885 | if (d_next_char (di) != 'Z') | |
886 | return NULL; | |
887 | return d_encoding (di); | |
59666b35 DD |
888 | } |
889 | ||
d00edca5 DD |
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. */ | |
59666b35 DD |
898 | |
899 | static int | |
d00edca5 DD |
900 | has_return_type (dc) |
901 | struct d_comp *dc; | |
59666b35 | 902 | { |
d00edca5 DD |
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)); | |
54a962d9 DD |
911 | case D_COMP_RESTRICT: |
912 | case D_COMP_VOLATILE: | |
913 | case D_COMP_CONST: | |
914 | case D_COMP_VENDOR_TYPE_QUAL: | |
915 | return has_return_type (d_left (dc)); | |
d00edca5 | 916 | } |
59666b35 DD |
917 | } |
918 | ||
d00edca5 DD |
919 | /* Return whether a name is a constructor, a destructor, or a |
920 | conversion operator. */ | |
eb383413 L |
921 | |
922 | static int | |
d00edca5 DD |
923 | is_ctor_dtor_or_conversion (dc) |
924 | struct d_comp *dc; | |
eb383413 | 925 | { |
d00edca5 DD |
926 | if (dc == NULL) |
927 | return 0; | |
928 | switch (dc->type) | |
929 | { | |
930 | default: | |
931 | return 0; | |
932 | case D_COMP_QUAL_NAME: | |
933 | return is_ctor_dtor_or_conversion (d_right (dc)); | |
934 | case D_COMP_CTOR: | |
935 | case D_COMP_DTOR: | |
936 | case D_COMP_CAST: | |
937 | return 1; | |
938 | } | |
eb383413 L |
939 | } |
940 | ||
d00edca5 DD |
941 | /* <encoding> ::= <(function) name> <bare-function-type> |
942 | ::= <(data) name> | |
943 | ::= <special-name> */ | |
eb383413 | 944 | |
d00edca5 DD |
945 | static struct d_comp * |
946 | d_encoding (di) | |
947 | struct d_info *di; | |
eb383413 | 948 | { |
d00edca5 | 949 | char peek = d_peek_char (di); |
03d5f569 | 950 | |
d00edca5 DD |
951 | if (peek == 'G' || peek == 'T') |
952 | return d_special_name (di); | |
953 | else | |
03d5f569 | 954 | { |
d00edca5 DD |
955 | struct d_comp *dc; |
956 | ||
957 | dc = d_name (di); | |
958 | peek = d_peek_char (di); | |
959 | if (peek == '\0' || peek == 'E') | |
960 | return dc; | |
961 | return d_make_comp (di, D_COMP_TYPED_NAME, dc, | |
962 | d_bare_function_type (di, has_return_type (dc))); | |
03d5f569 | 963 | } |
d00edca5 DD |
964 | } |
965 | ||
966 | /* <name> ::= <nested-name> | |
967 | ::= <unscoped-name> | |
968 | ::= <unscoped-template-name> <template-args> | |
969 | ::= <local-name> | |
970 | ||
971 | <unscoped-name> ::= <unqualified-name> | |
972 | ::= St <unqualified-name> | |
eb383413 | 973 | |
d00edca5 DD |
974 | <unscoped-template-name> ::= <unscoped-name> |
975 | ::= <substitution> | |
976 | */ | |
977 | ||
978 | static struct d_comp * | |
979 | d_name (di) | |
980 | struct d_info *di; | |
981 | { | |
982 | char peek = d_peek_char (di); | |
983 | struct d_comp *dc; | |
984 | ||
985 | switch (peek) | |
eb383413 | 986 | { |
d00edca5 DD |
987 | case 'N': |
988 | return d_nested_name (di); | |
989 | ||
990 | case 'Z': | |
991 | return d_local_name (di); | |
992 | ||
993 | case 'S': | |
994 | { | |
995 | int subst; | |
996 | ||
997 | if (d_peek_next_char (di) != 't') | |
998 | { | |
999 | dc = d_substitution (di); | |
1000 | subst = 1; | |
1001 | } | |
1002 | else | |
1003 | { | |
1004 | d_advance (di, 2); | |
1005 | dc = d_make_comp (di, D_COMP_QUAL_NAME, d_make_name (di, "std", 3), | |
1006 | d_unqualified_name (di)); | |
1007 | subst = 0; | |
1008 | } | |
1009 | ||
1010 | if (d_peek_char (di) != 'I') | |
1011 | { | |
1012 | /* The grammar does not permit this case to occur if we | |
1013 | called d_substitution() above (i.e., subst == 1). We | |
1014 | don't bother to check. */ | |
1015 | } | |
1016 | else | |
1017 | { | |
1018 | /* This is <template-args>, which means that we just saw | |
1019 | <unscoped-template-name>, which is a substitution | |
1020 | candidate if we didn't just get it from a | |
1021 | substitution. */ | |
1022 | if (! subst) | |
1023 | { | |
1024 | if (! d_add_substitution (di, dc)) | |
1025 | return NULL; | |
1026 | } | |
1027 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
1028 | } | |
1029 | ||
1030 | return dc; | |
1031 | } | |
1032 | ||
1033 | default: | |
1034 | dc = d_unqualified_name (di); | |
1035 | if (d_peek_char (di) == 'I') | |
03d5f569 | 1036 | { |
d00edca5 DD |
1037 | /* This is <template-args>, which means that we just saw |
1038 | <unscoped-template-name>, which is a substitution | |
1039 | candidate. */ | |
1040 | if (! d_add_substitution (di, dc)) | |
1041 | return NULL; | |
1042 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
03d5f569 | 1043 | } |
d00edca5 | 1044 | return dc; |
eb383413 | 1045 | } |
d00edca5 | 1046 | } |
eb383413 | 1047 | |
d00edca5 DD |
1048 | /* <nested-name> ::= N [<CV-qualifiers>] <prefix> <unqualified-name> E |
1049 | ::= N [<CV-qualifiers>] <template-prefix> <template-args> E | |
1050 | */ | |
eb383413 | 1051 | |
d00edca5 DD |
1052 | static struct d_comp * |
1053 | d_nested_name (di) | |
1054 | struct d_info *di; | |
1055 | { | |
1056 | struct d_comp *ret; | |
1057 | struct d_comp **pret; | |
03d5f569 | 1058 | |
d00edca5 DD |
1059 | if (d_next_char (di) != 'N') |
1060 | return NULL; | |
eb383413 | 1061 | |
d00edca5 DD |
1062 | pret = d_cv_qualifiers (di, &ret); |
1063 | if (pret == NULL) | |
1064 | return NULL; | |
1065 | ||
1066 | *pret = d_prefix (di); | |
1067 | if (*pret == NULL) | |
1068 | return NULL; | |
eb383413 | 1069 | |
d00edca5 | 1070 | if (d_next_char (di) != 'E') |
eb383413 L |
1071 | return NULL; |
1072 | ||
d00edca5 | 1073 | return ret; |
eb383413 L |
1074 | } |
1075 | ||
d00edca5 DD |
1076 | /* <prefix> ::= <prefix> <unqualified-name> |
1077 | ::= <template-prefix> <template-args> | |
1078 | ::= <template-param> | |
1079 | ::= | |
1080 | ::= <substitution> | |
eb383413 | 1081 | |
d00edca5 DD |
1082 | <template-prefix> ::= <prefix> <(template) unqualified-name> |
1083 | ::= <template-param> | |
1084 | ::= <substitution> | |
1085 | */ | |
1086 | ||
1087 | static struct d_comp * | |
1088 | d_prefix (di) | |
1089 | struct d_info *di; | |
eb383413 | 1090 | { |
d00edca5 | 1091 | struct d_comp *ret = NULL; |
eb383413 | 1092 | |
d00edca5 | 1093 | while (1) |
eb383413 | 1094 | { |
d00edca5 DD |
1095 | char peek; |
1096 | enum d_comp_type comb_type; | |
1097 | struct d_comp *dc; | |
1098 | ||
1099 | peek = d_peek_char (di); | |
1100 | if (peek == '\0') | |
1101 | return NULL; | |
1102 | ||
1103 | /* The older code accepts a <local-name> here, but I don't see | |
1104 | that in the grammar. The older code does not accept a | |
1105 | <template-param> here. */ | |
eb383413 | 1106 | |
d00edca5 DD |
1107 | comb_type = D_COMP_QUAL_NAME; |
1108 | if (IS_DIGIT (peek) | |
1109 | || (peek >= 'a' && peek <= 'z') | |
1110 | || peek == 'C' | |
1111 | || peek == 'D') | |
1112 | dc = d_unqualified_name (di); | |
1113 | else if (peek == 'S') | |
1114 | dc = d_substitution (di); | |
1115 | else if (peek == 'I') | |
1116 | { | |
1117 | if (ret == NULL) | |
1118 | return NULL; | |
1119 | comb_type = D_COMP_TEMPLATE; | |
1120 | dc = d_template_args (di); | |
1121 | } | |
1122 | else if (peek == 'T') | |
1123 | dc = d_template_param (di); | |
1124 | else if (peek == 'E') | |
1125 | return ret; | |
1126 | else | |
1127 | return NULL; | |
1128 | ||
1129 | if (ret == NULL) | |
1130 | ret = dc; | |
eb383413 | 1131 | else |
d00edca5 DD |
1132 | ret = d_make_comp (di, comb_type, ret, dc); |
1133 | ||
1134 | if (peek != 'S' && d_peek_char (di) != 'E') | |
1135 | { | |
1136 | if (! d_add_substitution (di, ret)) | |
1137 | return NULL; | |
1138 | } | |
eb383413 L |
1139 | } |
1140 | } | |
1141 | ||
d00edca5 DD |
1142 | /* <unqualified-name> ::= <operator-name> |
1143 | ::= <ctor-dtor-name> | |
1144 | ::= <source-name> | |
1145 | */ | |
eb383413 | 1146 | |
d00edca5 DD |
1147 | static struct d_comp * |
1148 | d_unqualified_name (di) | |
1149 | struct d_info *di; | |
eb383413 | 1150 | { |
d00edca5 DD |
1151 | char peek; |
1152 | ||
1153 | peek = d_peek_char (di); | |
1154 | if (IS_DIGIT (peek)) | |
1155 | return d_source_name (di); | |
1156 | else if (peek >= 'a' && peek <= 'z') | |
1157 | return d_operator_name (di); | |
1158 | else if (peek == 'C' || peek == 'D') | |
1159 | return d_ctor_dtor_name (di); | |
1160 | else | |
03d5f569 | 1161 | return NULL; |
eb383413 L |
1162 | } |
1163 | ||
d00edca5 | 1164 | /* <source-name> ::= <(positive length) number> <identifier> */ |
eb383413 | 1165 | |
d00edca5 DD |
1166 | static struct d_comp * |
1167 | d_source_name (di) | |
1168 | struct d_info *di; | |
eb383413 | 1169 | { |
d00edca5 DD |
1170 | long len; |
1171 | struct d_comp *ret; | |
1172 | ||
1173 | len = d_number (di); | |
1174 | if (len <= 0) | |
1175 | return NULL; | |
1176 | ret = d_identifier (di, len); | |
1177 | di->last_name = ret; | |
1178 | return ret; | |
eb383413 L |
1179 | } |
1180 | ||
d00edca5 | 1181 | /* number ::= [n] <(non-negative decimal integer)> */ |
eb383413 | 1182 | |
d00edca5 DD |
1183 | static long |
1184 | d_number (di) | |
1185 | struct d_info *di; | |
eb383413 | 1186 | { |
d00edca5 DD |
1187 | int sign; |
1188 | char peek; | |
1189 | long ret; | |
eb383413 | 1190 | |
d00edca5 DD |
1191 | sign = 1; |
1192 | peek = d_peek_char (di); | |
1193 | if (peek == 'n') | |
1194 | { | |
1195 | sign = -1; | |
1196 | d_advance (di, 1); | |
1197 | peek = d_peek_char (di); | |
1198 | } | |
eb383413 | 1199 | |
d00edca5 DD |
1200 | ret = 0; |
1201 | while (1) | |
eb383413 | 1202 | { |
d00edca5 DD |
1203 | if (! IS_DIGIT (peek)) |
1204 | return ret * sign; | |
1205 | ret = ret * 10 + peek - '0'; | |
1206 | d_advance (di, 1); | |
1207 | peek = d_peek_char (di); | |
eb383413 | 1208 | } |
eb383413 L |
1209 | } |
1210 | ||
d00edca5 | 1211 | /* identifier ::= <(unqualified source code identifier)> */ |
eb383413 | 1212 | |
d00edca5 DD |
1213 | static struct d_comp * |
1214 | d_identifier (di, len) | |
1215 | struct d_info *di; | |
1216 | int len; | |
eb383413 | 1217 | { |
d00edca5 | 1218 | const char *name; |
eb383413 | 1219 | |
d00edca5 DD |
1220 | name = d_str (di); |
1221 | d_advance (di, len); | |
eb383413 | 1222 | |
d00edca5 DD |
1223 | /* Look for something which looks like a gcc encoding of an |
1224 | anonymous namespace, and replace it with a more user friendly | |
1225 | name. */ | |
1226 | if (len >= (int) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2 | |
1227 | && memcmp (name, ANONYMOUS_NAMESPACE_PREFIX, | |
1228 | ANONYMOUS_NAMESPACE_PREFIX_LEN) == 0) | |
eb383413 | 1229 | { |
d00edca5 DD |
1230 | const char *s; |
1231 | ||
1232 | s = name + ANONYMOUS_NAMESPACE_PREFIX_LEN; | |
1233 | if ((*s == '.' || *s == '_' || *s == '$') | |
1234 | && s[1] == 'N') | |
1235 | return d_make_name (di, "(anonymous namespace)", | |
1236 | sizeof "(anonymous namespace)" - 1); | |
eb383413 | 1237 | } |
d00edca5 DD |
1238 | |
1239 | return d_make_name (di, name, len); | |
eb383413 L |
1240 | } |
1241 | ||
d00edca5 DD |
1242 | /* operator_name ::= many different two character encodings. |
1243 | ::= cv <type> | |
1244 | ::= v <digit> <source-name> | |
1245 | */ | |
eb383413 | 1246 | |
d00edca5 DD |
1247 | static const struct d_operator_info d_operators[] = |
1248 | { | |
1249 | { "aN", "&=", 2 }, | |
1250 | { "aS", "=", 2 }, | |
1251 | { "aa", "&&", 2 }, | |
1252 | { "ad", "&", 1 }, | |
1253 | { "an", "&", 2 }, | |
1254 | { "cl", "()", 0 }, | |
1255 | { "cm", ",", 2 }, | |
1256 | { "co", "~", 1 }, | |
1257 | { "dV", "/=", 2 }, | |
1258 | { "da", "delete[]", 1 }, | |
1259 | { "de", "*", 1 }, | |
1260 | { "dl", "delete", 1 }, | |
1261 | { "dv", "/", 2 }, | |
1262 | { "eO", "^=", 2 }, | |
1263 | { "eo", "^", 2 }, | |
1264 | { "eq", "==", 2 }, | |
1265 | { "ge", ">=", 2 }, | |
1266 | { "gt", ">", 2 }, | |
1267 | { "ix", "[]", 2 }, | |
1268 | { "lS", "<<=", 2 }, | |
1269 | { "le", "<=", 2 }, | |
1270 | { "ls", "<<", 2 }, | |
1271 | { "lt", "<", 2 }, | |
1272 | { "mI", "-=", 2 }, | |
1273 | { "mL", "*=", 2 }, | |
1274 | { "mi", "-", 2 }, | |
1275 | { "ml", "*", 2 }, | |
1276 | { "mm", "--", 1 }, | |
1277 | { "na", "new[]", 1 }, | |
1278 | { "ne", "!=", 2 }, | |
1279 | { "ng", "-", 1 }, | |
1280 | { "nt", "!", 1 }, | |
1281 | { "nw", "new", 1 }, | |
1282 | { "oR", "|=", 2 }, | |
1283 | { "oo", "||", 2 }, | |
1284 | { "or", "|", 2 }, | |
1285 | { "pL", "+=", 2 }, | |
1286 | { "pl", "+", 2 }, | |
1287 | { "pm", "->*", 2 }, | |
1288 | { "pp", "++", 1 }, | |
1289 | { "ps", "+", 1 }, | |
1290 | { "pt", "->", 2 }, | |
1291 | { "qu", "?", 3 }, | |
1292 | { "rM", "%=", 2 }, | |
1293 | { "rS", ">>=", 2 }, | |
1294 | { "rm", "%", 2 }, | |
1295 | { "rs", ">>", 2 }, | |
1296 | { "st", "sizeof ", 1 }, | |
1297 | { "sz", "sizeof ", 1 } | |
1298 | }; | |
eb383413 | 1299 | |
d00edca5 DD |
1300 | static struct d_comp * |
1301 | d_operator_name (di) | |
1302 | struct d_info *di; | |
eb383413 | 1303 | { |
d00edca5 DD |
1304 | char c1; |
1305 | char c2; | |
eb383413 | 1306 | |
d00edca5 DD |
1307 | c1 = d_next_char (di); |
1308 | c2 = d_next_char (di); | |
1309 | if (c1 == 'v' && IS_DIGIT (c2)) | |
1310 | return d_make_extended_operator (di, c2 - '0', d_source_name (di)); | |
1311 | else if (c1 == 'c' && c2 == 'v') | |
1312 | return d_make_comp (di, D_COMP_CAST, d_type (di), NULL); | |
1313 | else | |
eb383413 | 1314 | { |
d00edca5 DD |
1315 | int low = 0; |
1316 | int high = sizeof (d_operators) / sizeof (d_operators[0]); | |
eb383413 | 1317 | |
d00edca5 DD |
1318 | while (1) |
1319 | { | |
1320 | int i; | |
1321 | const struct d_operator_info *p; | |
eb383413 | 1322 | |
d00edca5 DD |
1323 | i = low + (high - low) / 2; |
1324 | p = d_operators + i; | |
eb383413 | 1325 | |
d00edca5 DD |
1326 | if (c1 == p->code[0] && c2 == p->code[1]) |
1327 | return d_make_operator (di, p); | |
1328 | ||
1329 | if (c1 < p->code[0] || (c1 == p->code[0] && c2 < p->code[1])) | |
1330 | high = i; | |
1331 | else | |
1332 | low = i + 1; | |
1333 | if (low == high) | |
1334 | return NULL; | |
1335 | } | |
1336 | } | |
eb383413 L |
1337 | } |
1338 | ||
d00edca5 DD |
1339 | /* <special-name> ::= TV <type> |
1340 | ::= TT <type> | |
1341 | ::= TI <type> | |
1342 | ::= TS <type> | |
1343 | ::= GV <(object) name> | |
1344 | ::= T <call-offset> <(base) encoding> | |
1345 | ::= Tc <call-offset> <call-offset> <(base) encoding> | |
1346 | Also g++ extensions: | |
1347 | ::= TC <type> <(offset) number> _ <(base) type> | |
1348 | ::= TF <type> | |
1349 | ::= TJ <type> | |
1350 | ::= GR <name> | |
1351 | */ | |
eb383413 | 1352 | |
d00edca5 DD |
1353 | static struct d_comp * |
1354 | d_special_name (di) | |
1355 | struct d_info *di; | |
eb383413 | 1356 | { |
d00edca5 | 1357 | char c; |
eb383413 | 1358 | |
d00edca5 DD |
1359 | c = d_next_char (di); |
1360 | if (c == 'T') | |
03d5f569 | 1361 | { |
d00edca5 DD |
1362 | switch (d_next_char (di)) |
1363 | { | |
1364 | case 'V': | |
1365 | return d_make_comp (di, D_COMP_VTABLE, d_type (di), NULL); | |
1366 | case 'T': | |
1367 | return d_make_comp (di, D_COMP_VTT, d_type (di), NULL); | |
1368 | case 'I': | |
1369 | return d_make_comp (di, D_COMP_TYPEINFO, d_type (di), NULL); | |
1370 | case 'S': | |
1371 | return d_make_comp (di, D_COMP_TYPEINFO_NAME, d_type (di), NULL); | |
eb383413 | 1372 | |
d00edca5 DD |
1373 | case 'h': |
1374 | if (! d_call_offset (di, 'h')) | |
1375 | return NULL; | |
1376 | return d_make_comp (di, D_COMP_THUNK, d_encoding (di), NULL); | |
eb383413 | 1377 | |
d00edca5 DD |
1378 | case 'v': |
1379 | if (! d_call_offset (di, 'v')) | |
1380 | return NULL; | |
1381 | return d_make_comp (di, D_COMP_VIRTUAL_THUNK, d_encoding (di), | |
1382 | NULL); | |
eb383413 | 1383 | |
d00edca5 DD |
1384 | case 'c': |
1385 | if (! d_call_offset (di, '\0')) | |
1386 | return NULL; | |
1387 | if (! d_call_offset (di, '\0')) | |
1388 | return NULL; | |
1389 | return d_make_comp (di, D_COMP_COVARIANT_THUNK, d_encoding (di), | |
1390 | NULL); | |
eb383413 | 1391 | |
d00edca5 DD |
1392 | case 'C': |
1393 | { | |
1394 | struct d_comp *derived_type; | |
1395 | long offset; | |
1396 | struct d_comp *base_type; | |
1397 | ||
1398 | derived_type = d_type (di); | |
1399 | offset = d_number (di); | |
1400 | if (offset < 0) | |
1401 | return NULL; | |
1402 | if (d_next_char (di) != '_') | |
1403 | return NULL; | |
1404 | base_type = d_type (di); | |
1405 | /* We don't display the offset. FIXME: We should display | |
1406 | it in verbose mode. */ | |
1407 | return d_make_comp (di, D_COMP_CONSTRUCTION_VTABLE, base_type, | |
1408 | derived_type); | |
1409 | } | |
eb383413 | 1410 | |
d00edca5 DD |
1411 | case 'F': |
1412 | return d_make_comp (di, D_COMP_TYPEINFO_FN, d_type (di), NULL); | |
1413 | case 'J': | |
1414 | return d_make_comp (di, D_COMP_JAVA_CLASS, d_type (di), NULL); | |
eb383413 | 1415 | |
d00edca5 DD |
1416 | default: |
1417 | return NULL; | |
1418 | } | |
eb383413 | 1419 | } |
d00edca5 | 1420 | else if (c == 'G') |
eb383413 | 1421 | { |
d00edca5 DD |
1422 | switch (d_next_char (di)) |
1423 | { | |
1424 | case 'V': | |
1425 | return d_make_comp (di, D_COMP_GUARD, d_name (di), NULL); | |
1426 | ||
1427 | case 'R': | |
1428 | return d_make_comp (di, D_COMP_REFTEMP, d_name (di), NULL); | |
1429 | ||
1430 | default: | |
1431 | return NULL; | |
1432 | } | |
eb383413 | 1433 | } |
d00edca5 DD |
1434 | else |
1435 | return NULL; | |
eb383413 L |
1436 | } |
1437 | ||
d00edca5 DD |
1438 | /* <call-offset> ::= h <nv-offset> _ |
1439 | ::= v <v-offset> _ | |
eb383413 | 1440 | |
d00edca5 | 1441 | <nv-offset> ::= <(offset) number> |
eb383413 | 1442 | |
d00edca5 | 1443 | <v-offset> ::= <(offset) number> _ <(virtual offset) number> |
eb383413 | 1444 | |
d00edca5 DD |
1445 | The C parameter, if not '\0', is a character we just read which is |
1446 | the start of the <call-offset>. | |
eb383413 | 1447 | |
d00edca5 DD |
1448 | We don't display the offset information anywhere. FIXME: We should |
1449 | display it in verbose mode. */ | |
eb383413 | 1450 | |
d00edca5 DD |
1451 | static int |
1452 | d_call_offset (di, c) | |
1453 | struct d_info *di; | |
1454 | int c; | |
eb383413 | 1455 | { |
d00edca5 DD |
1456 | long offset; |
1457 | long virtual_offset; | |
eb383413 | 1458 | |
d00edca5 DD |
1459 | if (c == '\0') |
1460 | c = d_next_char (di); | |
eb383413 | 1461 | |
d00edca5 DD |
1462 | if (c == 'h') |
1463 | offset = d_number (di); | |
1464 | else if (c == 'v') | |
eb383413 | 1465 | { |
d00edca5 DD |
1466 | offset = d_number (di); |
1467 | if (d_next_char (di) != '_') | |
1468 | return 0; | |
1469 | virtual_offset = d_number (di); | |
eb383413 | 1470 | } |
d00edca5 DD |
1471 | else |
1472 | return 0; | |
eb383413 | 1473 | |
d00edca5 DD |
1474 | if (d_next_char (di) != '_') |
1475 | return 0; | |
eb383413 | 1476 | |
d00edca5 | 1477 | return 1; |
eb383413 L |
1478 | } |
1479 | ||
d00edca5 DD |
1480 | /* <ctor-dtor-name> ::= C1 |
1481 | ::= C2 | |
1482 | ::= C3 | |
1483 | ::= D0 | |
1484 | ::= D1 | |
1485 | ::= D2 | |
1486 | */ | |
1487 | ||
1488 | static struct d_comp * | |
1489 | d_ctor_dtor_name (di) | |
1490 | struct d_info *di; | |
1491 | { | |
1492 | switch (d_next_char (di)) | |
1493 | { | |
1494 | case 'C': | |
1495 | { | |
1496 | enum gnu_v3_ctor_kinds kind; | |
1497 | ||
1498 | switch (d_next_char (di)) | |
1499 | { | |
1500 | case '1': | |
1501 | kind = gnu_v3_complete_object_ctor; | |
1502 | break; | |
1503 | case '2': | |
1504 | kind = gnu_v3_base_object_ctor; | |
1505 | break; | |
1506 | case '3': | |
1507 | kind = gnu_v3_complete_object_allocating_ctor; | |
1508 | break; | |
1509 | default: | |
1510 | return NULL; | |
1511 | } | |
1512 | return d_make_ctor (di, kind, di->last_name); | |
1513 | } | |
1514 | ||
1515 | case 'D': | |
1516 | { | |
1517 | enum gnu_v3_dtor_kinds kind; | |
1518 | ||
1519 | switch (d_next_char (di)) | |
1520 | { | |
1521 | case '0': | |
1522 | kind = gnu_v3_deleting_dtor; | |
1523 | break; | |
1524 | case '1': | |
1525 | kind = gnu_v3_complete_object_dtor; | |
1526 | break; | |
1527 | case '2': | |
1528 | kind = gnu_v3_base_object_dtor; | |
1529 | break; | |
1530 | default: | |
1531 | return NULL; | |
1532 | } | |
1533 | return d_make_dtor (di, kind, di->last_name); | |
1534 | } | |
eb383413 | 1535 | |
d00edca5 DD |
1536 | default: |
1537 | return NULL; | |
1538 | } | |
1539 | } | |
eb383413 | 1540 | |
d00edca5 DD |
1541 | /* <type> ::= <builtin-type> |
1542 | ::= <function-type> | |
1543 | ::= <class-enum-type> | |
1544 | ::= <array-type> | |
1545 | ::= <pointer-to-member-type> | |
1546 | ::= <template-param> | |
1547 | ::= <template-template-param> <template-args> | |
1548 | ::= <substitution> | |
1549 | ::= <CV-qualifiers> <type> | |
1550 | ::= P <type> | |
1551 | ::= R <type> | |
1552 | ::= C <type> | |
1553 | ::= G <type> | |
1554 | ::= U <source-name> <type> | |
1555 | ||
1556 | <builtin-type> ::= various one letter codes | |
1557 | ::= u <source-name> | |
1558 | */ | |
eb383413 | 1559 | |
d00edca5 DD |
1560 | static const struct d_builtin_type_info d_builtin_types[26] = |
1561 | { | |
1562 | /* a */ { "signed char", "signed char", D_PRINT_INT }, | |
1563 | /* b */ { "bool", "boolean", D_PRINT_BOOL }, | |
1564 | /* c */ { "char", "byte", D_PRINT_INT }, | |
1565 | /* d */ { "double", "double", D_PRINT_DEFAULT }, | |
1566 | /* e */ { "long double", "long double", D_PRINT_DEFAULT }, | |
1567 | /* f */ { "float", "float", D_PRINT_DEFAULT }, | |
1568 | /* g */ { "__float128", "__float128", D_PRINT_DEFAULT }, | |
1569 | /* h */ { "unsigned char", "unsigned char", D_PRINT_INT }, | |
1570 | /* i */ { "int", "int", D_PRINT_INT }, | |
1571 | /* j */ { "unsigned int", "unsigned", D_PRINT_INT }, | |
1572 | /* k */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1573 | /* l */ { "long", "long", D_PRINT_LONG }, | |
1574 | /* m */ { "unsigned long", "unsigned long", D_PRINT_LONG }, | |
1575 | /* n */ { "__int128", "__int128", D_PRINT_DEFAULT }, | |
1576 | /* o */ { "unsigned __int128", "unsigned __int128", D_PRINT_DEFAULT }, | |
1577 | /* p */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1578 | /* q */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1579 | /* r */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1580 | /* s */ { "short", "short", D_PRINT_INT }, | |
1581 | /* t */ { "unsigned short", "unsigned short", D_PRINT_INT }, | |
1582 | /* u */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1583 | /* v */ { "void", "void", D_PRINT_VOID }, | |
1584 | /* w */ { "wchar_t", "char", D_PRINT_INT }, | |
1585 | /* x */ { "long long", "long", D_PRINT_DEFAULT }, | |
1586 | /* y */ { "unsigned long long", "unsigned long long", D_PRINT_DEFAULT }, | |
1587 | /* z */ { "...", "...", D_PRINT_DEFAULT }, | |
1588 | }; | |
eb383413 | 1589 | |
d00edca5 DD |
1590 | static struct d_comp * |
1591 | d_type (di) | |
1592 | struct d_info *di; | |
eb383413 | 1593 | { |
d00edca5 DD |
1594 | char peek; |
1595 | struct d_comp *ret; | |
1596 | int can_subst; | |
1597 | ||
1598 | /* The ABI specifies that when CV-qualifiers are used, the base type | |
1599 | is substitutable, and the fully qualified type is substitutable, | |
1600 | but the base type with a strict subset of the CV-qualifiers is | |
1601 | not substitutable. The natural recursive implementation of the | |
1602 | CV-qualifiers would cause subsets to be substitutable, so instead | |
1603 | we pull them all off now. | |
1604 | ||
1605 | FIXME: The ABI specifies that vendor qualifiers are handled just | |
1606 | like the standard CV-qualifiers with respect to subsetting and | |
1607 | substitution, but g++ does not appear to work this way. */ | |
1608 | ||
1609 | peek = d_peek_char (di); | |
1610 | if (peek == 'r' || peek == 'V' || peek == 'K') | |
1611 | { | |
1612 | struct d_comp **pret; | |
74bcd529 | 1613 | |
d00edca5 DD |
1614 | pret = d_cv_qualifiers (di, &ret); |
1615 | *pret = d_type (di); | |
1616 | if (! d_add_substitution (di, ret)) | |
1617 | return NULL; | |
1618 | return ret; | |
1619 | } | |
eb383413 | 1620 | |
d00edca5 | 1621 | can_subst = 1; |
eb383413 | 1622 | |
74bcd529 | 1623 | switch (peek) |
eb383413 | 1624 | { |
d00edca5 DD |
1625 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': |
1626 | case 'h': case 'i': case 'j': case 'l': case 'm': case 'n': | |
1627 | case 'o': case 's': case 't': | |
1628 | case 'v': case 'w': case 'x': case 'y': case 'z': | |
1629 | /* FIXME: The old demangler handles Java types here. */ | |
1630 | ret = d_make_builtin_type (di, &d_builtin_types[peek - 'a']); | |
1631 | can_subst = 0; | |
1632 | d_advance (di, 1); | |
1633 | break; | |
1634 | ||
1635 | case 'u': | |
1636 | d_advance (di, 1); | |
1637 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE, d_source_name (di), NULL); | |
1638 | break; | |
1639 | ||
1640 | case 'F': | |
1641 | ret = d_function_type (di); | |
eb383413 L |
1642 | break; |
1643 | ||
d00edca5 DD |
1644 | case '0': case '1': case '2': case '3': case '4': |
1645 | case '5': case '6': case '7': case '8': case '9': | |
1646 | case 'N': | |
eb383413 | 1647 | case 'Z': |
d00edca5 | 1648 | ret = d_class_enum_type (di); |
eb383413 L |
1649 | break; |
1650 | ||
d00edca5 DD |
1651 | case 'A': |
1652 | ret = d_array_type (di); | |
1653 | break; | |
1654 | ||
1655 | case 'M': | |
1656 | ret = d_pointer_to_member_type (di); | |
1657 | break; | |
1658 | ||
1659 | case 'T': | |
1660 | ret = d_template_param (di); | |
1661 | if (d_peek_char (di) == 'I') | |
03d5f569 | 1662 | { |
d00edca5 DD |
1663 | /* This is <template-template-param> <template-args>. The |
1664 | <template-template-param> part is a substitution | |
1665 | candidate. */ | |
1666 | if (! d_add_substitution (di, ret)) | |
1667 | return NULL; | |
1668 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, d_template_args (di)); | |
03d5f569 | 1669 | } |
d00edca5 DD |
1670 | break; |
1671 | ||
1672 | case 'S': | |
1673 | /* If this is a special substitution, then it is the start of | |
1674 | <class-enum-type>. */ | |
1675 | { | |
1676 | char peek_next; | |
74bcd529 | 1677 | |
d00edca5 DD |
1678 | peek_next = d_peek_next_char (di); |
1679 | if (IS_DIGIT (peek_next) | |
1680 | || peek_next == '_' | |
1681 | || (peek_next >= 'A' && peek_next <= 'Z')) | |
1682 | { | |
1683 | ret = d_substitution (di); | |
1684 | /* The substituted name may have been a template name and | |
1685 | may be followed by tepmlate args. */ | |
1686 | if (d_peek_char (di) == 'I') | |
1687 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, | |
1688 | d_template_args (di)); | |
1689 | else | |
1690 | can_subst = 0; | |
1691 | } | |
1692 | else | |
1693 | { | |
1694 | ret = d_class_enum_type (di); | |
1695 | /* If the substitution was a complete type, then it is not | |
1696 | a new substitution candidate. However, if the | |
1697 | substitution was followed by template arguments, then | |
1698 | the whole thing is a substitution candidate. */ | |
1699 | if (ret->type == D_COMP_SUB_STD) | |
1700 | can_subst = 0; | |
1701 | } | |
1702 | } | |
eb383413 L |
1703 | break; |
1704 | ||
d00edca5 DD |
1705 | case 'P': |
1706 | d_advance (di, 1); | |
1707 | ret = d_make_comp (di, D_COMP_POINTER, d_type (di), NULL); | |
1708 | break; | |
eb383413 | 1709 | |
d00edca5 DD |
1710 | case 'R': |
1711 | d_advance (di, 1); | |
1712 | ret = d_make_comp (di, D_COMP_REFERENCE, d_type (di), NULL); | |
1713 | break; | |
eb383413 | 1714 | |
d00edca5 DD |
1715 | case 'C': |
1716 | d_advance (di, 1); | |
1717 | ret = d_make_comp (di, D_COMP_COMPLEX, d_type (di), NULL); | |
1718 | break; | |
1719 | ||
1720 | case 'G': | |
1721 | d_advance (di, 1); | |
1722 | ret = d_make_comp (di, D_COMP_IMAGINARY, d_type (di), NULL); | |
1723 | break; | |
eb383413 | 1724 | |
d00edca5 DD |
1725 | case 'U': |
1726 | d_advance (di, 1); | |
1727 | ret = d_source_name (di); | |
1728 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE_QUAL, d_type (di), ret); | |
eb383413 | 1729 | break; |
d00edca5 DD |
1730 | |
1731 | default: | |
1732 | return NULL; | |
eb383413 L |
1733 | } |
1734 | ||
d00edca5 DD |
1735 | if (can_subst) |
1736 | { | |
1737 | if (! d_add_substitution (di, ret)) | |
1738 | return NULL; | |
1739 | } | |
eb383413 | 1740 | |
d00edca5 DD |
1741 | return ret; |
1742 | } | |
eb383413 | 1743 | |
d00edca5 | 1744 | /* <CV-qualifiers> ::= [r] [V] [K] */ |
eb383413 | 1745 | |
d00edca5 DD |
1746 | static struct d_comp ** |
1747 | d_cv_qualifiers (di, pret) | |
1748 | struct d_info *di; | |
1749 | struct d_comp **pret; | |
eb383413 L |
1750 | { |
1751 | char peek; | |
1752 | ||
d00edca5 DD |
1753 | peek = d_peek_char (di); |
1754 | while (peek == 'r' || peek == 'V' || peek == 'K') | |
eb383413 | 1755 | { |
d00edca5 | 1756 | enum d_comp_type t; |
59666b35 | 1757 | |
d00edca5 DD |
1758 | d_advance (di, 1); |
1759 | if (peek == 'r') | |
1760 | t = D_COMP_RESTRICT; | |
1761 | else if (peek == 'V') | |
1762 | t = D_COMP_VOLATILE; | |
1763 | else | |
1764 | t = D_COMP_CONST; | |
eb383413 | 1765 | |
d00edca5 DD |
1766 | *pret = d_make_comp (di, t, NULL, NULL); |
1767 | if (*pret == NULL) | |
1768 | return NULL; | |
1769 | pret = &d_left (*pret); | |
eb383413 | 1770 | |
d00edca5 DD |
1771 | peek = d_peek_char (di); |
1772 | } | |
eb383413 | 1773 | |
d00edca5 DD |
1774 | return pret; |
1775 | } | |
eb383413 | 1776 | |
d00edca5 | 1777 | /* <function-type> ::= F [Y] <bare-function-type> E */ |
eb383413 | 1778 | |
d00edca5 DD |
1779 | static struct d_comp * |
1780 | d_function_type (di) | |
1781 | struct d_info *di; | |
eb383413 | 1782 | { |
d00edca5 | 1783 | struct d_comp *ret; |
eb383413 | 1784 | |
d00edca5 DD |
1785 | if (d_next_char (di) != 'F') |
1786 | return NULL; | |
1787 | if (d_peek_char (di) == 'Y') | |
1788 | { | |
1789 | /* Function has C linkage. We don't print this information. | |
1790 | FIXME: We should print it in verbose mode. */ | |
1791 | d_advance (di, 1); | |
1792 | } | |
1793 | ret = d_bare_function_type (di, 1); | |
1794 | if (d_next_char (di) != 'E') | |
1795 | return NULL; | |
1796 | return ret; | |
1797 | } | |
74bcd529 | 1798 | |
d00edca5 | 1799 | /* <bare-function-type> ::= <type>+ */ |
eb383413 | 1800 | |
d00edca5 DD |
1801 | static struct d_comp * |
1802 | d_bare_function_type (di, has_return_type) | |
1803 | struct d_info *di; | |
1804 | int has_return_type; | |
1805 | { | |
1806 | struct d_comp *return_type; | |
1807 | struct d_comp *tl; | |
1808 | struct d_comp **ptl; | |
eb383413 | 1809 | |
d00edca5 DD |
1810 | return_type = NULL; |
1811 | tl = NULL; | |
1812 | ptl = &tl; | |
eb383413 L |
1813 | while (1) |
1814 | { | |
1815 | char peek; | |
d00edca5 | 1816 | struct d_comp *type; |
eb383413 | 1817 | |
d00edca5 DD |
1818 | peek = d_peek_char (di); |
1819 | if (peek == '\0' || peek == 'E') | |
1820 | break; | |
1821 | type = d_type (di); | |
1822 | if (type == NULL) | |
1823 | return NULL; | |
1824 | if (has_return_type) | |
eb383413 | 1825 | { |
d00edca5 DD |
1826 | return_type = type; |
1827 | has_return_type = 0; | |
eb383413 | 1828 | } |
d00edca5 | 1829 | else |
eb383413 | 1830 | { |
d00edca5 DD |
1831 | *ptl = d_make_comp (di, D_COMP_ARGLIST, type, NULL); |
1832 | ptl = &d_right (*ptl); | |
eb383413 | 1833 | } |
eb383413 | 1834 | } |
eb383413 | 1835 | |
d00edca5 DD |
1836 | /* There should be at least one parameter type besides the optional |
1837 | return type. A function which takes no arguments will have a | |
1838 | single parameter type void. */ | |
1839 | if (tl == NULL) | |
1840 | return NULL; | |
eb383413 | 1841 | |
d00edca5 DD |
1842 | /* If we have a single parameter type void, omit it. */ |
1843 | if (d_right (tl) == NULL | |
1844 | && d_left (tl)->type == D_COMP_BUILTIN_TYPE | |
1845 | && d_left (tl)->u.s_builtin.type->print == D_PRINT_VOID) | |
1846 | tl = NULL; | |
eb383413 | 1847 | |
d00edca5 DD |
1848 | return d_make_comp (di, D_COMP_FUNCTION_TYPE, return_type, tl); |
1849 | } | |
eb383413 | 1850 | |
d00edca5 | 1851 | /* <class-enum-type> ::= <name> */ |
eb383413 | 1852 | |
d00edca5 DD |
1853 | static struct d_comp * |
1854 | d_class_enum_type (di) | |
1855 | struct d_info *di; | |
1856 | { | |
1857 | return d_name (di); | |
1858 | } | |
74bcd529 | 1859 | |
d00edca5 DD |
1860 | /* <array-type> ::= A <(positive dimension) number> _ <(element) type> |
1861 | ::= A [<(dimension) expression>] _ <(element) type> | |
1862 | */ | |
74bcd529 | 1863 | |
d00edca5 DD |
1864 | static struct d_comp * |
1865 | d_array_type (di) | |
1866 | struct d_info *di; | |
1867 | { | |
1868 | char peek; | |
1869 | struct d_comp *dim; | |
74bcd529 | 1870 | |
d00edca5 DD |
1871 | if (d_next_char (di) != 'A') |
1872 | return NULL; | |
1873 | ||
1874 | peek = d_peek_char (di); | |
1875 | if (peek == '_') | |
1876 | dim = NULL; | |
1877 | else if (IS_DIGIT (peek)) | |
74bcd529 | 1878 | { |
d00edca5 | 1879 | const char *s; |
74bcd529 | 1880 | |
d00edca5 DD |
1881 | s = d_str (di); |
1882 | do | |
1883 | { | |
1884 | d_advance (di, 1); | |
1885 | peek = d_peek_char (di); | |
1886 | } | |
1887 | while (IS_DIGIT (peek)); | |
1888 | dim = d_make_name (di, s, d_str (di) - s); | |
74bcd529 | 1889 | } |
eb383413 | 1890 | else |
d00edca5 DD |
1891 | { |
1892 | dim = d_expression (di); | |
1893 | if (dim == NULL) | |
1894 | return NULL; | |
1895 | } | |
eb383413 | 1896 | |
d00edca5 DD |
1897 | if (d_next_char (di) != '_') |
1898 | return NULL; | |
eb383413 | 1899 | |
d00edca5 DD |
1900 | return d_make_comp (di, D_COMP_ARRAY_TYPE, dim, d_type (di)); |
1901 | } | |
eb383413 | 1902 | |
d00edca5 | 1903 | /* <pointer-to-member-type> ::= M <(class) type> <(member) type> */ |
eb383413 | 1904 | |
d00edca5 DD |
1905 | static struct d_comp * |
1906 | d_pointer_to_member_type (di) | |
1907 | struct d_info *di; | |
eb383413 | 1908 | { |
d00edca5 DD |
1909 | struct d_comp *cl; |
1910 | struct d_comp *mem; | |
1911 | struct d_comp **pmem; | |
eb383413 | 1912 | |
d00edca5 DD |
1913 | if (d_next_char (di) != 'M') |
1914 | return NULL; | |
eb383413 | 1915 | |
d00edca5 | 1916 | cl = d_type (di); |
eb383413 | 1917 | |
d00edca5 DD |
1918 | /* The ABI specifies that any type can be a substitution source, and |
1919 | that M is followed by two types, and that when a CV-qualified | |
1920 | type is seen both the base type and the CV-qualified types are | |
1921 | substitution sources. The ABI also specifies that for a pointer | |
1922 | to a CV-qualified member function, the qualifiers are attached to | |
1923 | the second type. Given the grammar, a plain reading of the ABI | |
1924 | suggests that both the CV-qualified member function and the | |
1925 | non-qualified member function are substitution sources. However, | |
1926 | g++ does not work that way. g++ treats only the CV-qualified | |
1927 | member function as a substitution source. FIXME. So to work | |
1928 | with g++, we need to pull off the CV-qualifiers here, in order to | |
1929 | avoid calling add_substitution() in d_type(). */ | |
eb383413 | 1930 | |
d00edca5 DD |
1931 | pmem = d_cv_qualifiers (di, &mem); |
1932 | *pmem = d_type (di); | |
eb383413 | 1933 | |
d00edca5 | 1934 | return d_make_comp (di, D_COMP_PTRMEM_TYPE, cl, mem); |
eb383413 L |
1935 | } |
1936 | ||
d00edca5 DD |
1937 | /* <template-param> ::= T_ |
1938 | ::= T <(parameter-2 non-negative) number> _ | |
1939 | */ | |
eb383413 | 1940 | |
d00edca5 DD |
1941 | static struct d_comp * |
1942 | d_template_param (di) | |
1943 | struct d_info *di; | |
eb383413 | 1944 | { |
d00edca5 | 1945 | long param; |
eb383413 | 1946 | |
d00edca5 DD |
1947 | if (d_next_char (di) != 'T') |
1948 | return NULL; | |
eb383413 | 1949 | |
d00edca5 DD |
1950 | if (d_peek_char (di) == '_') |
1951 | param = 0; | |
1952 | else | |
1953 | { | |
1954 | param = d_number (di); | |
1955 | if (param < 0) | |
1956 | return NULL; | |
1957 | param += 1; | |
1958 | } | |
03d5f569 | 1959 | |
d00edca5 DD |
1960 | if (d_next_char (di) != '_') |
1961 | return NULL; | |
eb383413 | 1962 | |
d00edca5 | 1963 | return d_make_template_param (di, param); |
eb383413 L |
1964 | } |
1965 | ||
d00edca5 DD |
1966 | /* <template-args> ::= I <template-arg>+ E */ |
1967 | ||
1968 | static struct d_comp * | |
1969 | d_template_args (di) | |
1970 | struct d_info *di; | |
eb383413 | 1971 | { |
d00edca5 DD |
1972 | struct d_comp *hold_last_name; |
1973 | struct d_comp *al; | |
1974 | struct d_comp **pal; | |
eb383413 | 1975 | |
d00edca5 DD |
1976 | /* Preserve the last name we saw--don't let the template arguments |
1977 | clobber it, as that would give us the wrong name for a subsequent | |
1978 | constructor or destructor. */ | |
1979 | hold_last_name = di->last_name; | |
eb383413 | 1980 | |
d00edca5 DD |
1981 | if (d_next_char (di) != 'I') |
1982 | return NULL; | |
eb383413 | 1983 | |
d00edca5 DD |
1984 | al = NULL; |
1985 | pal = &al; | |
eb383413 L |
1986 | while (1) |
1987 | { | |
d00edca5 DD |
1988 | struct d_comp *a; |
1989 | ||
1990 | a = d_template_arg (di); | |
1991 | if (a == NULL) | |
1992 | return NULL; | |
1993 | ||
1994 | *pal = d_make_comp (di, D_COMP_TEMPLATE_ARGLIST, a, NULL); | |
1995 | pal = &d_right (*pal); | |
1996 | ||
1997 | if (d_peek_char (di) == 'E') | |
03d5f569 | 1998 | { |
d00edca5 DD |
1999 | d_advance (di, 1); |
2000 | break; | |
03d5f569 | 2001 | } |
eb383413 L |
2002 | } |
2003 | ||
d00edca5 DD |
2004 | di->last_name = hold_last_name; |
2005 | ||
2006 | return al; | |
eb383413 L |
2007 | } |
2008 | ||
d00edca5 DD |
2009 | /* <template-arg> ::= <type> |
2010 | ::= X <expression> E | |
2011 | ::= <expr-primary> | |
2012 | */ | |
eb383413 | 2013 | |
d00edca5 DD |
2014 | static struct d_comp * |
2015 | d_template_arg (di) | |
2016 | struct d_info *di; | |
eb383413 | 2017 | { |
d00edca5 | 2018 | struct d_comp *ret; |
03d5f569 | 2019 | |
d00edca5 | 2020 | switch (d_peek_char (di)) |
eb383413 | 2021 | { |
d00edca5 DD |
2022 | case 'X': |
2023 | d_advance (di, 1); | |
2024 | ret = d_expression (di); | |
2025 | if (d_next_char (di) != 'E') | |
2026 | return NULL; | |
2027 | return ret; | |
b851d07b | 2028 | |
d00edca5 DD |
2029 | case 'L': |
2030 | return d_expr_primary (di); | |
eb383413 | 2031 | |
d00edca5 DD |
2032 | default: |
2033 | return d_type (di); | |
74bcd529 | 2034 | } |
eb383413 L |
2035 | } |
2036 | ||
d00edca5 DD |
2037 | /* <expression> ::= <(unary) operator-name> <expression> |
2038 | ::= <(binary) operator-name> <expression> <expression> | |
2039 | ::= <(trinary) operator-name> <expression> <expression> <expression> | |
2040 | ::= st <type> | |
2041 | ::= <template-param> | |
2042 | ::= sr <type> <unqualified-name> | |
2043 | ::= sr <type> <unqualified-name> <template-args> | |
2044 | ::= <expr-primary> | |
2045 | */ | |
2046 | ||
2047 | static struct d_comp * | |
2048 | d_expression (di) | |
2049 | struct d_info *di; | |
eb383413 | 2050 | { |
d00edca5 | 2051 | char peek; |
eb383413 | 2052 | |
d00edca5 DD |
2053 | peek = d_peek_char (di); |
2054 | if (peek == 'L') | |
2055 | return d_expr_primary (di); | |
2056 | else if (peek == 'T') | |
2057 | return d_template_param (di); | |
2058 | else if (peek == 's' && d_peek_next_char (di) == 'r') | |
eb383413 | 2059 | { |
d00edca5 DD |
2060 | struct d_comp *type; |
2061 | struct d_comp *name; | |
eb383413 | 2062 | |
d00edca5 DD |
2063 | d_advance (di, 2); |
2064 | type = d_type (di); | |
2065 | name = d_unqualified_name (di); | |
2066 | if (d_peek_char (di) != 'I') | |
2067 | return d_make_comp (di, D_COMP_QUAL_NAME, type, name); | |
2068 | else | |
2069 | return d_make_comp (di, D_COMP_QUAL_NAME, type, | |
2070 | d_make_comp (di, D_COMP_TEMPLATE, name, | |
2071 | d_template_args (di))); | |
793011ca | 2072 | } |
d00edca5 | 2073 | else |
eb383413 | 2074 | { |
d00edca5 DD |
2075 | struct d_comp *op; |
2076 | int args; | |
eb383413 | 2077 | |
d00edca5 DD |
2078 | op = d_operator_name (di); |
2079 | if (op == NULL) | |
2080 | return NULL; | |
eb383413 | 2081 | |
d00edca5 DD |
2082 | if (op->type == D_COMP_OPERATOR |
2083 | && strcmp (op->u.s_operator.op->code, "st") == 0) | |
2084 | return d_make_comp (di, D_COMP_UNARY, op, d_type (di)); | |
eb383413 | 2085 | |
d00edca5 DD |
2086 | switch (op->type) |
2087 | { | |
2088 | default: | |
2089 | return NULL; | |
2090 | case D_COMP_OPERATOR: | |
2091 | args = op->u.s_operator.op->args; | |
2092 | break; | |
2093 | case D_COMP_EXTENDED_OPERATOR: | |
2094 | args = op->u.s_extended_operator.args; | |
2095 | break; | |
2096 | case D_COMP_CAST: | |
2097 | args = 1; | |
2098 | break; | |
2099 | } | |
2100 | ||
2101 | switch (args) | |
2102 | { | |
2103 | case 1: | |
2104 | return d_make_comp (di, D_COMP_UNARY, op, d_expression (di)); | |
2105 | case 2: | |
2106 | { | |
2107 | struct d_comp *left; | |
2108 | ||
2109 | left = d_expression (di); | |
2110 | return d_make_comp (di, D_COMP_BINARY, op, | |
2111 | d_make_comp (di, D_COMP_BINARY_ARGS, left, | |
2112 | d_expression (di))); | |
2113 | } | |
2114 | case 3: | |
2115 | { | |
2116 | struct d_comp *first; | |
2117 | struct d_comp *second; | |
2118 | ||
2119 | first = d_expression (di); | |
2120 | second = d_expression (di); | |
2121 | return d_make_comp (di, D_COMP_TRINARY, op, | |
2122 | d_make_comp (di, D_COMP_TRINARY_ARG1, first, | |
2123 | d_make_comp (di, | |
2124 | D_COMP_TRINARY_ARG2, | |
2125 | second, | |
2126 | d_expression (di)))); | |
2127 | } | |
2128 | default: | |
2129 | return NULL; | |
2130 | } | |
eb383413 L |
2131 | } |
2132 | } | |
2133 | ||
d00edca5 DD |
2134 | /* <expr-primary> ::= L <type> <(value) number> E |
2135 | ::= L <type> <(value) float> E | |
2136 | ::= L <mangled-name> E | |
2137 | */ | |
74bcd529 | 2138 | |
d00edca5 DD |
2139 | static struct d_comp * |
2140 | d_expr_primary (di) | |
2141 | struct d_info *di; | |
74bcd529 | 2142 | { |
d00edca5 | 2143 | struct d_comp *ret; |
74bcd529 | 2144 | |
d00edca5 DD |
2145 | if (d_next_char (di) != 'L') |
2146 | return NULL; | |
2147 | if (d_peek_char (di) == '_') | |
2148 | ret = d_mangled_name (di); | |
2149 | else | |
74bcd529 | 2150 | { |
d00edca5 DD |
2151 | struct d_comp *type; |
2152 | const char *s; | |
2153 | ||
2154 | type = d_type (di); | |
2155 | ||
2156 | /* Rather than try to interpret the literal value, we just | |
2157 | collect it as a string. Note that it's possible to have a | |
2158 | floating point literal here. The ABI specifies that the | |
2159 | format of such literals is machine independent. That's fine, | |
2160 | but what's not fine is that versions of g++ up to 3.2 with | |
2161 | -fabi-version=1 used upper case letters in the hex constant, | |
2162 | and dumped out gcc's internal representation. That makes it | |
2163 | hard to tell where the constant ends, and hard to dump the | |
2164 | constant in any readable form anyhow. We don't attempt to | |
2165 | handle these cases. */ | |
2166 | ||
2167 | s = d_str (di); | |
2168 | while (d_peek_char (di) != 'E') | |
2169 | d_advance (di, 1); | |
2170 | ret = d_make_comp (di, D_COMP_LITERAL, type, | |
2171 | d_make_name (di, s, d_str (di) - s)); | |
2172 | } | |
2173 | if (d_next_char (di) != 'E') | |
2174 | return NULL; | |
2175 | return ret; | |
74bcd529 DD |
2176 | } |
2177 | ||
d00edca5 DD |
2178 | /* <local-name> ::= Z <(function) encoding> E <(entity) name> [<discriminator>] |
2179 | ::= Z <(function) encoding> E s [<discriminator>] | |
2180 | */ | |
74bcd529 | 2181 | |
d00edca5 DD |
2182 | static struct d_comp * |
2183 | d_local_name (di) | |
2184 | struct d_info *di; | |
74bcd529 | 2185 | { |
d00edca5 | 2186 | struct d_comp *function; |
74bcd529 | 2187 | |
d00edca5 DD |
2188 | if (d_next_char (di) != 'Z') |
2189 | return NULL; | |
74bcd529 | 2190 | |
d00edca5 | 2191 | function = d_encoding (di); |
74bcd529 | 2192 | |
d00edca5 DD |
2193 | if (d_next_char (di) != 'E') |
2194 | return NULL; | |
74bcd529 | 2195 | |
d00edca5 | 2196 | if (d_peek_char (di) == 's') |
74bcd529 | 2197 | { |
d00edca5 DD |
2198 | d_advance (di, 1); |
2199 | if (! d_discriminator (di)) | |
2200 | return NULL; | |
2201 | return d_make_comp (di, D_COMP_QUAL_NAME, function, | |
2202 | d_make_name (di, "string literal", | |
2203 | sizeof "string literal" - 1)); | |
74bcd529 | 2204 | } |
d00edca5 | 2205 | else |
74bcd529 | 2206 | { |
d00edca5 | 2207 | struct d_comp *name; |
74bcd529 | 2208 | |
d00edca5 DD |
2209 | name = d_name (di); |
2210 | if (! d_discriminator (di)) | |
2211 | return NULL; | |
2212 | return d_make_comp (di, D_COMP_QUAL_NAME, function, name); | |
74bcd529 | 2213 | } |
74bcd529 DD |
2214 | } |
2215 | ||
d00edca5 | 2216 | /* <discriminator> ::= _ <(non-negative) number> |
eb383413 | 2217 | |
d00edca5 DD |
2218 | We demangle the discriminator, but we don't print it out. FIXME: |
2219 | We should print it out in verbose mode. */ | |
74bcd529 | 2220 | |
d00edca5 DD |
2221 | static int |
2222 | d_discriminator (di) | |
2223 | struct d_info *di; | |
2224 | { | |
2225 | long discrim; | |
74bcd529 | 2226 | |
d00edca5 DD |
2227 | if (d_peek_char (di) != '_') |
2228 | return 1; | |
2229 | d_advance (di, 1); | |
2230 | discrim = d_number (di); | |
2231 | if (discrim < 0) | |
2232 | return 0; | |
2233 | return 1; | |
2234 | } | |
eb383413 | 2235 | |
d00edca5 | 2236 | /* Add a new substitution. */ |
eb383413 | 2237 | |
d00edca5 DD |
2238 | static int |
2239 | d_add_substitution (di, dc) | |
2240 | struct d_info *di; | |
2241 | struct d_comp *dc; | |
eb383413 | 2242 | { |
d00edca5 DD |
2243 | if (di->next_sub >= di->num_subs) |
2244 | return 0; | |
2245 | di->subs[di->next_sub] = dc; | |
2246 | ++di->next_sub; | |
2247 | return 1; | |
2248 | } | |
2249 | ||
2250 | /* <substitution> ::= S <seq-id> _ | |
2251 | ::= S_ | |
2252 | ::= St | |
2253 | ::= Sa | |
2254 | ::= Sb | |
2255 | ::= Ss | |
2256 | ::= Si | |
2257 | ::= So | |
2258 | ::= Sd | |
2259 | */ | |
eb383413 | 2260 | |
d00edca5 DD |
2261 | static struct d_comp * |
2262 | d_substitution (di) | |
2263 | struct d_info *di; | |
2264 | { | |
2265 | char c; | |
eb383413 | 2266 | |
d00edca5 DD |
2267 | if (d_next_char (di) != 'S') |
2268 | return NULL; | |
e7e9b069 | 2269 | |
d00edca5 DD |
2270 | c = d_next_char (di); |
2271 | if (c == '_' || IS_DIGIT (c) || (c >= 'A' && c <= 'Z')) | |
eb383413 | 2272 | { |
d00edca5 | 2273 | int id; |
eb383413 | 2274 | |
d00edca5 DD |
2275 | id = 0; |
2276 | if (c != '_') | |
eb383413 | 2277 | { |
d00edca5 | 2278 | do |
eb383413 | 2279 | { |
d00edca5 DD |
2280 | if (IS_DIGIT (c)) |
2281 | id = id * 36 + c - '0'; | |
2282 | else if (c >= 'A' && c <= 'Z') | |
2283 | id = id * 36 + c - 'A' + 10; | |
2284 | else | |
2285 | return NULL; | |
2286 | c = d_next_char (di); | |
eb383413 | 2287 | } |
d00edca5 | 2288 | while (c != '_'); |
eb383413 | 2289 | |
d00edca5 | 2290 | ++id; |
eb383413 | 2291 | } |
eb383413 | 2292 | |
d00edca5 DD |
2293 | if (id >= di->next_sub) |
2294 | return NULL; | |
eb383413 | 2295 | |
d00edca5 | 2296 | return di->subs[id]; |
eb383413 | 2297 | } |
d00edca5 | 2298 | else |
eb383413 | 2299 | { |
d00edca5 | 2300 | switch (c) |
e61231f1 | 2301 | { |
d00edca5 DD |
2302 | case 't': |
2303 | return d_make_sub (di, "std"); | |
2304 | case 'a': | |
2305 | di->last_name = d_make_sub (di, "allocator"); | |
2306 | return d_make_sub (di, "std::allocator"); | |
2307 | case 'b': | |
2308 | di->last_name = d_make_sub (di, "basic_string"); | |
2309 | return d_make_sub (di, "std::basic_string"); | |
2310 | case 's': | |
2311 | di->last_name = d_make_sub (di, "string"); | |
2312 | return d_make_sub (di, "std::string"); | |
2313 | case 'i': | |
2314 | di->last_name = d_make_sub (di, "istream"); | |
2315 | return d_make_sub (di, "std::istream"); | |
2316 | case 'o': | |
2317 | di->last_name = d_make_sub (di, "ostream"); | |
2318 | return d_make_sub (di, "std::ostream"); | |
2319 | case 'd': | |
2320 | di->last_name = d_make_sub (di, "iostream"); | |
2321 | return d_make_sub (di, "std::iostream"); | |
2322 | default: | |
2323 | return NULL; | |
eb383413 L |
2324 | } |
2325 | } | |
eb383413 L |
2326 | } |
2327 | ||
d00edca5 | 2328 | /* Resize the print buffer. */ |
eb383413 | 2329 | |
d00edca5 DD |
2330 | static void |
2331 | d_print_resize (dpi, add) | |
2332 | struct d_print_info *dpi; | |
2333 | size_t add; | |
2334 | { | |
2335 | size_t need; | |
eb383413 | 2336 | |
d00edca5 DD |
2337 | need = dpi->len + add; |
2338 | while (need > dpi->alc) | |
eb383413 | 2339 | { |
d00edca5 DD |
2340 | size_t newalc; |
2341 | char *newbuf; | |
59666b35 | 2342 | |
d00edca5 DD |
2343 | newalc = dpi->alc * 2; |
2344 | newbuf = realloc (dpi->buf, newalc); | |
2345 | if (newbuf == NULL) | |
0976f6a7 | 2346 | { |
d00edca5 DD |
2347 | free (dpi->buf); |
2348 | dpi->buf = NULL; | |
2349 | dpi->allocation_failure = 1; | |
2350 | return; | |
eb383413 | 2351 | } |
d00edca5 DD |
2352 | dpi->buf = newbuf; |
2353 | dpi->alc = newalc; | |
eb383413 | 2354 | } |
d00edca5 | 2355 | } |
0976f6a7 | 2356 | |
d00edca5 | 2357 | /* Append a character to the print buffer. */ |
0976f6a7 | 2358 | |
d00edca5 DD |
2359 | static void |
2360 | d_print_append_char (dpi, c) | |
2361 | struct d_print_info *dpi; | |
2362 | int c; | |
2363 | { | |
2364 | if (dpi->buf != NULL) | |
2365 | { | |
2366 | if (dpi->len >= dpi->alc) | |
2367 | { | |
2368 | d_print_resize (dpi, 1); | |
2369 | if (dpi->buf == NULL) | |
2370 | return; | |
2371 | } | |
0976f6a7 | 2372 | |
d00edca5 DD |
2373 | dpi->buf[dpi->len] = c; |
2374 | ++dpi->len; | |
74bcd529 | 2375 | } |
eb383413 L |
2376 | } |
2377 | ||
d00edca5 DD |
2378 | /* Append a buffer to the print buffer. */ |
2379 | ||
2380 | static void | |
2381 | d_print_append_buffer (dpi, s, l) | |
2382 | struct d_print_info *dpi; | |
2383 | const char *s; | |
2384 | size_t l; | |
eb383413 | 2385 | { |
d00edca5 | 2386 | if (dpi->buf != NULL) |
eb383413 | 2387 | { |
d00edca5 | 2388 | if (dpi->len + l > dpi->alc) |
eb383413 | 2389 | { |
d00edca5 DD |
2390 | d_print_resize (dpi, l); |
2391 | if (dpi->buf == NULL) | |
2392 | return; | |
eb383413 | 2393 | } |
eb383413 | 2394 | |
d00edca5 DD |
2395 | memcpy (dpi->buf + dpi->len, s, l); |
2396 | dpi->len += l; | |
2397 | } | |
eb383413 L |
2398 | } |
2399 | ||
d00edca5 | 2400 | /* Indicate that an error occurred during printing. */ |
eb383413 | 2401 | |
d00edca5 DD |
2402 | static void |
2403 | d_print_error (dpi) | |
2404 | struct d_print_info *dpi; | |
bc9bf259 | 2405 | { |
d00edca5 DD |
2406 | free (dpi->buf); |
2407 | dpi->buf = NULL; | |
2408 | } | |
bc9bf259 | 2409 | |
d00edca5 DD |
2410 | /* Turn components into a human readable string. Returns a string |
2411 | allocated by malloc, or NULL on error. On success, this sets *PALC | |
2412 | to the size of the allocated buffer. On failure, this sets *PALC | |
2413 | to 0 for a bad parse, or to 1 for a memory allocation failure. */ | |
eb383413 | 2414 | |
d00edca5 DD |
2415 | static char * |
2416 | d_print (options, dc, palc) | |
2417 | int options; | |
2418 | const struct d_comp *dc; | |
2419 | size_t *palc; | |
2420 | { | |
2421 | struct d_print_info dpi; | |
eb383413 | 2422 | |
d00edca5 | 2423 | dpi.options = options; |
eb383413 | 2424 | |
d00edca5 DD |
2425 | dpi.alc = 64; |
2426 | dpi.buf = malloc (dpi.alc); | |
2427 | if (dpi.buf == NULL) | |
eb383413 | 2428 | { |
d00edca5 DD |
2429 | *palc = 1; |
2430 | return NULL; | |
eb383413 | 2431 | } |
eb383413 | 2432 | |
d00edca5 DD |
2433 | dpi.len = 0; |
2434 | dpi.templates = NULL; | |
2435 | dpi.modifiers = NULL; | |
eb383413 | 2436 | |
d00edca5 | 2437 | dpi.allocation_failure = 0; |
eb383413 | 2438 | |
d00edca5 | 2439 | d_print_comp (&dpi, dc); |
eb383413 | 2440 | |
d00edca5 | 2441 | d_append_char (&dpi, '\0'); |
eb383413 | 2442 | |
d00edca5 DD |
2443 | if (dpi.buf != NULL) |
2444 | *palc = dpi.alc; | |
2445 | else | |
2446 | *palc = dpi.allocation_failure; | |
eb383413 | 2447 | |
d00edca5 | 2448 | return dpi.buf; |
eb383413 L |
2449 | } |
2450 | ||
d00edca5 | 2451 | /* Subroutine to handle components. */ |
eb383413 | 2452 | |
d00edca5 DD |
2453 | static void |
2454 | d_print_comp (dpi, dc) | |
2455 | struct d_print_info *dpi; | |
2456 | const struct d_comp *dc; | |
eb383413 | 2457 | { |
d00edca5 | 2458 | if (dc == NULL) |
eb383413 | 2459 | { |
d00edca5 DD |
2460 | d_print_error (dpi); |
2461 | return; | |
eb383413 | 2462 | } |
d00edca5 DD |
2463 | if (d_print_saw_error (dpi)) |
2464 | return; | |
eb383413 | 2465 | |
d00edca5 | 2466 | switch (dc->type) |
eb383413 | 2467 | { |
d00edca5 DD |
2468 | case D_COMP_NAME: |
2469 | d_print_identifier (dpi, dc->u.s_name.s, dc->u.s_name.len); | |
2470 | return; | |
eb383413 | 2471 | |
d00edca5 DD |
2472 | case D_COMP_QUAL_NAME: |
2473 | d_print_comp (dpi, d_left (dc)); | |
2474 | d_append_string (dpi, (dpi->options & DMGL_JAVA) == 0 ? "::" : "."); | |
2475 | d_print_comp (dpi, d_right (dc)); | |
2476 | return; | |
eb383413 | 2477 | |
d00edca5 DD |
2478 | case D_COMP_TYPED_NAME: |
2479 | { | |
2480 | const struct d_comp *typed_name; | |
2481 | struct d_print_mod dpm; | |
2482 | struct d_print_template dpt; | |
2483 | ||
2484 | /* Pass the name down to the type so that it can be printed in | |
2485 | the right place for the type. If the name has | |
2486 | CV-qualifiers, they are really method qualifiers; pull them | |
2487 | off now and print them after everything else. Note that we | |
2488 | don't handle D_COMP_VENDOR_TYPE_QUAL here; it's not | |
2489 | accepted by d_cv_qualifiers() either. */ | |
2490 | typed_name = d_left (dc); | |
2491 | while (typed_name != NULL | |
2492 | && (typed_name->type == D_COMP_RESTRICT | |
2493 | || typed_name->type == D_COMP_VOLATILE | |
2494 | || typed_name->type == D_COMP_CONST)) | |
2495 | typed_name = d_left (typed_name); | |
2496 | ||
2497 | dpm.next = dpi->modifiers; | |
2498 | dpi->modifiers = &dpm; | |
2499 | dpm.mod = typed_name; | |
2500 | dpm.printed = 0; | |
2501 | ||
2502 | /* If typed_name is a template, then it applies to the | |
2503 | function type as well. */ | |
2504 | if (typed_name->type == D_COMP_TEMPLATE) | |
2505 | { | |
2506 | dpt.next = dpi->templates; | |
2507 | dpi->templates = &dpt; | |
2508 | dpt.template = typed_name; | |
2509 | } | |
eb383413 | 2510 | |
d00edca5 | 2511 | d_print_comp (dpi, d_right (dc)); |
74bcd529 | 2512 | |
d00edca5 DD |
2513 | if (typed_name->type == D_COMP_TEMPLATE) |
2514 | dpi->templates = dpt.next; | |
eb383413 | 2515 | |
d00edca5 DD |
2516 | /* If the modifier didn't get printed by the type, print it |
2517 | now. */ | |
2518 | if (! dpm.printed) | |
2519 | { | |
2520 | d_append_char (dpi, ' '); | |
2521 | d_print_comp (dpi, typed_name); | |
2522 | } | |
eb383413 | 2523 | |
d00edca5 | 2524 | dpi->modifiers = dpm.next; |
eb383413 | 2525 | |
d00edca5 DD |
2526 | /* Now print any CV-qualifiers on the type. */ |
2527 | typed_name = d_left (dc); | |
2528 | while (typed_name != NULL | |
2529 | && (typed_name->type == D_COMP_RESTRICT | |
2530 | || typed_name->type == D_COMP_VOLATILE | |
2531 | || typed_name->type == D_COMP_CONST)) | |
2532 | { | |
2533 | d_print_mod (dpi, typed_name); | |
2534 | typed_name = d_left (typed_name); | |
2535 | } | |
eb383413 | 2536 | |
d00edca5 DD |
2537 | return; |
2538 | } | |
eb383413 | 2539 | |
d00edca5 DD |
2540 | case D_COMP_TEMPLATE: |
2541 | d_print_comp (dpi, d_left (dc)); | |
2542 | d_append_char (dpi, '<'); | |
2543 | d_print_comp (dpi, d_right (dc)); | |
2544 | /* Avoid generating two consecutive '>' characters, to avoid the | |
2545 | C++ syntactic ambiguity. */ | |
2546 | if (dpi->buf[dpi->len - 1] == '>') | |
2547 | d_append_char (dpi, ' '); | |
2548 | d_append_char (dpi, '>'); | |
2549 | return; | |
2550 | ||
2551 | case D_COMP_TEMPLATE_PARAM: | |
2552 | { | |
2553 | long i; | |
2554 | struct d_comp *a; | |
2555 | struct d_print_template *hold_dpt; | |
eb383413 | 2556 | |
d00edca5 DD |
2557 | if (dpi->templates == NULL) |
2558 | { | |
2559 | d_print_error (dpi); | |
2560 | return; | |
2561 | } | |
2562 | i = dc->u.s_number.number; | |
2563 | for (a = d_right (dpi->templates->template); | |
2564 | a != NULL; | |
2565 | a = d_right (a)) | |
2566 | { | |
2567 | if (a->type != D_COMP_TEMPLATE_ARGLIST) | |
2568 | { | |
2569 | d_print_error (dpi); | |
2570 | return; | |
2571 | } | |
2572 | if (i <= 0) | |
2573 | break; | |
2574 | --i; | |
2575 | } | |
2576 | if (i != 0 || a == NULL) | |
2577 | { | |
2578 | d_print_error (dpi); | |
2579 | return; | |
2580 | } | |
59666b35 | 2581 | |
d00edca5 DD |
2582 | /* While processing this parameter, we need to pop the list of |
2583 | templates. This is because the template parameter may | |
2584 | itself be a reference to a parameter of an outer | |
2585 | template. */ | |
59666b35 | 2586 | |
d00edca5 DD |
2587 | hold_dpt = dpi->templates; |
2588 | dpi->templates = hold_dpt->next; | |
eb383413 | 2589 | |
d00edca5 | 2590 | d_print_comp (dpi, d_left (a)); |
03d5f569 | 2591 | |
d00edca5 | 2592 | dpi->templates = hold_dpt; |
59666b35 | 2593 | |
d00edca5 DD |
2594 | return; |
2595 | } | |
eb383413 | 2596 | |
d00edca5 DD |
2597 | case D_COMP_CTOR: |
2598 | d_print_comp (dpi, dc->u.s_ctor.name); | |
2599 | return; | |
2600 | ||
2601 | case D_COMP_DTOR: | |
2602 | d_append_char (dpi, '~'); | |
2603 | d_print_comp (dpi, dc->u.s_dtor.name); | |
2604 | return; | |
2605 | ||
2606 | case D_COMP_VTABLE: | |
2607 | d_append_string (dpi, "vtable for "); | |
2608 | d_print_comp (dpi, d_left (dc)); | |
2609 | return; | |
2610 | ||
2611 | case D_COMP_VTT: | |
2612 | d_append_string (dpi, "VTT for "); | |
2613 | d_print_comp (dpi, d_left (dc)); | |
2614 | return; | |
2615 | ||
2616 | case D_COMP_CONSTRUCTION_VTABLE: | |
2617 | d_append_string (dpi, "construction vtable for "); | |
2618 | d_print_comp (dpi, d_left (dc)); | |
2619 | d_append_string (dpi, "-in-"); | |
2620 | d_print_comp (dpi, d_right (dc)); | |
2621 | return; | |
2622 | ||
2623 | case D_COMP_TYPEINFO: | |
2624 | d_append_string (dpi, "typeinfo for "); | |
2625 | d_print_comp (dpi, d_left (dc)); | |
2626 | return; | |
2627 | ||
2628 | case D_COMP_TYPEINFO_NAME: | |
2629 | d_append_string (dpi, "typeinfo name for "); | |
2630 | d_print_comp (dpi, d_left (dc)); | |
2631 | return; | |
2632 | ||
2633 | case D_COMP_TYPEINFO_FN: | |
2634 | d_append_string (dpi, "typeinfo fn for "); | |
2635 | d_print_comp (dpi, d_left (dc)); | |
2636 | return; | |
2637 | ||
2638 | case D_COMP_THUNK: | |
2639 | d_append_string (dpi, "non-virtual thunk to "); | |
2640 | d_print_comp (dpi, d_left (dc)); | |
2641 | return; | |
2642 | ||
2643 | case D_COMP_VIRTUAL_THUNK: | |
2644 | d_append_string (dpi, "virtual thunk to "); | |
2645 | d_print_comp (dpi, d_left (dc)); | |
2646 | return; | |
2647 | ||
2648 | case D_COMP_COVARIANT_THUNK: | |
2649 | d_append_string (dpi, "covariant return thunk to "); | |
2650 | d_print_comp (dpi, d_left (dc)); | |
2651 | return; | |
2652 | ||
2653 | case D_COMP_JAVA_CLASS: | |
2654 | d_append_string (dpi, "java Class for "); | |
2655 | d_print_comp (dpi, d_left (dc)); | |
2656 | return; | |
2657 | ||
2658 | case D_COMP_GUARD: | |
2659 | d_append_string (dpi, "guard variable for "); | |
2660 | d_print_comp (dpi, d_left (dc)); | |
2661 | return; | |
2662 | ||
2663 | case D_COMP_REFTEMP: | |
2664 | d_append_string (dpi, "reference temporary for "); | |
2665 | d_print_comp (dpi, d_left (dc)); | |
2666 | return; | |
2667 | ||
2668 | case D_COMP_SUB_STD: | |
2669 | d_append_string (dpi, dc->u.s_string.string); | |
2670 | return; | |
2671 | ||
2672 | case D_COMP_RESTRICT: | |
2673 | case D_COMP_VOLATILE: | |
2674 | case D_COMP_CONST: | |
2675 | case D_COMP_VENDOR_TYPE_QUAL: | |
2676 | case D_COMP_POINTER: | |
2677 | case D_COMP_REFERENCE: | |
2678 | case D_COMP_COMPLEX: | |
2679 | case D_COMP_IMAGINARY: | |
2680 | { | |
2681 | /* We keep a list of modifiers on the stack. */ | |
2682 | struct d_print_mod dpm; | |
eb383413 | 2683 | |
d00edca5 DD |
2684 | dpm.next = dpi->modifiers; |
2685 | dpi->modifiers = &dpm; | |
2686 | dpm.mod = dc; | |
2687 | dpm.printed = 0; | |
eb383413 | 2688 | |
d00edca5 | 2689 | d_print_comp (dpi, d_left (dc)); |
59666b35 | 2690 | |
d00edca5 DD |
2691 | /* If the modifier didn't get printed by the type, print it |
2692 | now. */ | |
2693 | if (! dpm.printed) | |
2694 | d_print_mod (dpi, dc); | |
eb383413 | 2695 | |
d00edca5 | 2696 | dpi->modifiers = dpm.next; |
eb383413 | 2697 | |
d00edca5 DD |
2698 | return; |
2699 | } | |
eb383413 | 2700 | |
d00edca5 DD |
2701 | case D_COMP_BUILTIN_TYPE: |
2702 | if ((dpi->options & DMGL_JAVA) == 0) | |
2703 | d_append_string (dpi, dc->u.s_builtin.type->name); | |
2704 | else | |
2705 | d_append_string (dpi, dc->u.s_builtin.type->java_name); | |
2706 | return; | |
eb383413 | 2707 | |
d00edca5 DD |
2708 | case D_COMP_VENDOR_TYPE: |
2709 | d_print_comp (dpi, d_left (dc)); | |
2710 | return; | |
eb383413 | 2711 | |
d00edca5 DD |
2712 | case D_COMP_FUNCTION_TYPE: |
2713 | { | |
2714 | if (d_left (dc) != NULL) | |
2715 | { | |
2716 | struct d_print_mod dpm; | |
eb383413 | 2717 | |
d00edca5 DD |
2718 | /* We must pass this type down as a modifier in order to |
2719 | print it in the right location. */ | |
eb383413 | 2720 | |
d00edca5 DD |
2721 | dpm.next = dpi->modifiers; |
2722 | dpi->modifiers = &dpm; | |
2723 | dpm.mod = dc; | |
2724 | dpm.printed = 0; | |
eb383413 | 2725 | |
d00edca5 | 2726 | d_print_comp (dpi, d_left (dc)); |
eb383413 | 2727 | |
d00edca5 | 2728 | dpi->modifiers = dpm.next; |
eb383413 | 2729 | |
d00edca5 DD |
2730 | if (dpm.printed) |
2731 | return; | |
eb383413 | 2732 | |
d00edca5 DD |
2733 | d_append_char (dpi, ' '); |
2734 | } | |
eb383413 | 2735 | |
d00edca5 | 2736 | d_print_function_type (dpi, dc, dpi->modifiers); |
03d5f569 | 2737 | |
d00edca5 DD |
2738 | return; |
2739 | } | |
eb383413 | 2740 | |
d00edca5 DD |
2741 | case D_COMP_ARRAY_TYPE: |
2742 | { | |
2743 | struct d_print_mod dpm; | |
eb383413 | 2744 | |
d00edca5 DD |
2745 | /* We must pass this type down as a modifier in order to print |
2746 | multi-dimensional arrays correctly. */ | |
03d5f569 | 2747 | |
d00edca5 DD |
2748 | dpm.next = dpi->modifiers; |
2749 | dpi->modifiers = &dpm; | |
2750 | dpm.mod = dc; | |
2751 | dpm.printed = 0; | |
eb383413 | 2752 | |
d00edca5 | 2753 | d_print_comp (dpi, d_right (dc)); |
eb383413 | 2754 | |
d00edca5 | 2755 | dpi->modifiers = dpm.next; |
eb383413 | 2756 | |
d00edca5 DD |
2757 | if (dpm.printed) |
2758 | return; | |
eb383413 | 2759 | |
d00edca5 | 2760 | d_print_array_type (dpi, dc, dpi->modifiers); |
eb383413 | 2761 | |
d00edca5 DD |
2762 | return; |
2763 | } | |
eb383413 | 2764 | |
d00edca5 DD |
2765 | case D_COMP_PTRMEM_TYPE: |
2766 | { | |
2767 | const struct d_comp *target_type; | |
2768 | struct d_print_mod dpm; | |
2769 | ||
2770 | /* Pass the name down to the type so that it can be printed in | |
2771 | the right place for the type. If the type has | |
2772 | CV-qualifiers, they are really method qualifiers; pull them | |
2773 | off now and print them after everything else. */ | |
2774 | target_type = d_right (dc); | |
2775 | while (target_type != NULL | |
2776 | && (target_type->type == D_COMP_RESTRICT | |
2777 | || target_type->type == D_COMP_VOLATILE | |
2778 | || target_type->type == D_COMP_CONST)) | |
2779 | target_type = d_left (target_type); | |
2780 | ||
2781 | dpm.next = dpi->modifiers; | |
2782 | dpi->modifiers = &dpm; | |
2783 | dpm.mod = dc; | |
2784 | dpm.printed = 0; | |
2785 | ||
2786 | d_print_comp (dpi, target_type); | |
2787 | ||
2788 | /* If the modifier didn't get printed by the type, print it | |
2789 | now. */ | |
2790 | if (! dpm.printed) | |
2791 | { | |
2792 | d_append_char (dpi, ' '); | |
2793 | d_print_comp (dpi, d_left (dc)); | |
2794 | d_append_string (dpi, "::*"); | |
2795 | } | |
eb383413 | 2796 | |
d00edca5 | 2797 | dpi->modifiers = dpm.next; |
eb383413 | 2798 | |
d00edca5 DD |
2799 | /* Now print any CV-qualifiers on the type. */ |
2800 | target_type = d_right (dc); | |
2801 | while (target_type != NULL | |
2802 | && (target_type->type == D_COMP_RESTRICT | |
2803 | || target_type->type == D_COMP_VOLATILE | |
2804 | || target_type->type == D_COMP_CONST)) | |
2805 | { | |
2806 | d_print_mod (dpi, target_type); | |
2807 | target_type = d_left (target_type); | |
2808 | } | |
eb383413 | 2809 | |
d00edca5 DD |
2810 | return; |
2811 | } | |
eb383413 | 2812 | |
d00edca5 DD |
2813 | case D_COMP_ARGLIST: |
2814 | case D_COMP_TEMPLATE_ARGLIST: | |
2815 | d_print_comp (dpi, d_left (dc)); | |
2816 | if (d_right (dc) != NULL) | |
2817 | { | |
2818 | d_append_string (dpi, ", "); | |
2819 | d_print_comp (dpi, d_right (dc)); | |
2820 | } | |
2821 | return; | |
eb383413 | 2822 | |
d00edca5 DD |
2823 | case D_COMP_OPERATOR: |
2824 | { | |
2825 | char c; | |
2826 | ||
2827 | d_append_string (dpi, "operator"); | |
2828 | c = dc->u.s_operator.op->name[0]; | |
2829 | if (c >= 'a' && c <= 'z') | |
2830 | d_append_char (dpi, ' '); | |
2831 | d_append_string (dpi, dc->u.s_operator.op->name); | |
2832 | return; | |
2833 | } | |
eb383413 | 2834 | |
d00edca5 DD |
2835 | case D_COMP_EXTENDED_OPERATOR: |
2836 | d_append_string (dpi, "operator "); | |
2837 | d_print_comp (dpi, dc->u.s_extended_operator.name); | |
2838 | return; | |
eb383413 | 2839 | |
d00edca5 DD |
2840 | case D_COMP_CAST: |
2841 | d_append_string (dpi, "operator "); | |
2842 | d_print_cast (dpi, dc); | |
2843 | return; | |
eb383413 | 2844 | |
d00edca5 DD |
2845 | case D_COMP_UNARY: |
2846 | if (d_left (dc)->type != D_COMP_CAST) | |
2847 | d_print_expr_op (dpi, d_left (dc)); | |
2848 | else | |
eb383413 | 2849 | { |
d00edca5 DD |
2850 | d_append_string (dpi, "(("); |
2851 | d_print_cast (dpi, d_left (dc)); | |
2852 | d_append_char (dpi, ')'); | |
eb383413 | 2853 | } |
d00edca5 DD |
2854 | d_append_char (dpi, '('); |
2855 | d_print_comp (dpi, d_right (dc)); | |
2856 | d_append_char (dpi, ')'); | |
2857 | if (d_left (dc)->type == D_COMP_CAST) | |
2858 | d_append_char (dpi, ')'); | |
2859 | return; | |
2860 | ||
2861 | case D_COMP_BINARY: | |
2862 | if (d_right (dc)->type != D_COMP_BINARY_ARGS) | |
eb383413 | 2863 | { |
d00edca5 DD |
2864 | d_print_error (dpi); |
2865 | return; | |
eb383413 | 2866 | } |
d00edca5 DD |
2867 | d_append_char (dpi, '('); |
2868 | d_print_comp (dpi, d_left (d_right (dc))); | |
2869 | d_append_string (dpi, ") "); | |
2870 | d_print_expr_op (dpi, d_left (dc)); | |
2871 | d_append_string (dpi, " ("); | |
2872 | d_print_comp (dpi, d_right (d_right (dc))); | |
2873 | d_append_char (dpi, ')'); | |
2874 | return; | |
2875 | ||
2876 | case D_COMP_BINARY_ARGS: | |
2877 | /* We should only see this as part of D_COMP_BINARY. */ | |
2878 | d_print_error (dpi); | |
2879 | return; | |
2880 | ||
2881 | case D_COMP_TRINARY: | |
2882 | if (d_right (dc)->type != D_COMP_TRINARY_ARG1 | |
2883 | || d_right (d_right (dc))->type != D_COMP_TRINARY_ARG2) | |
2884 | { | |
2885 | d_print_error (dpi); | |
2886 | return; | |
2887 | } | |
2888 | d_append_char (dpi, '('); | |
2889 | d_print_comp (dpi, d_left (d_right (dc))); | |
2890 | d_append_string (dpi, ") "); | |
2891 | d_print_expr_op (dpi, d_left (dc)); | |
2892 | d_append_string (dpi, " ("); | |
2893 | d_print_comp (dpi, d_left (d_right (d_right (dc)))); | |
2894 | d_append_string (dpi, ") : ("); | |
2895 | d_print_comp (dpi, d_right (d_right (d_right (dc)))); | |
2896 | d_append_char (dpi, ')'); | |
2897 | return; | |
2898 | ||
2899 | case D_COMP_TRINARY_ARG1: | |
2900 | case D_COMP_TRINARY_ARG2: | |
2901 | /* We should only see these are part of D_COMP_TRINARY. */ | |
2902 | d_print_error (dpi); | |
2903 | return; | |
2904 | ||
2905 | case D_COMP_LITERAL: | |
2906 | /* For some builtin types, produce simpler output. */ | |
2907 | if (d_left (dc)->type == D_COMP_BUILTIN_TYPE) | |
2908 | { | |
2909 | switch (d_left (dc)->u.s_builtin.type->print) | |
2910 | { | |
2911 | case D_PRINT_INT: | |
2912 | if (d_right (dc)->type == D_COMP_NAME) | |
2913 | { | |
2914 | d_print_comp (dpi, d_right (dc)); | |
2915 | return; | |
2916 | } | |
2917 | break; | |
2918 | ||
2919 | case D_PRINT_LONG: | |
2920 | if (d_right (dc)->type == D_COMP_NAME) | |
2921 | { | |
2922 | d_print_comp (dpi, d_right (dc)); | |
2923 | d_append_char (dpi, 'l'); | |
2924 | return; | |
2925 | } | |
2926 | break; | |
eb383413 | 2927 | |
d00edca5 DD |
2928 | case D_PRINT_BOOL: |
2929 | if (d_right (dc)->type == D_COMP_NAME | |
2930 | && d_right (dc)->u.s_name.len == 1) | |
2931 | { | |
2932 | switch (d_right (dc)->u.s_name.s[0]) | |
2933 | { | |
2934 | case '0': | |
2935 | d_append_string (dpi, "false"); | |
2936 | return; | |
2937 | case '1': | |
2938 | d_append_string (dpi, "true"); | |
2939 | return; | |
2940 | default: | |
2941 | break; | |
2942 | } | |
2943 | } | |
2944 | break; | |
03d5f569 | 2945 | |
d00edca5 DD |
2946 | default: |
2947 | break; | |
2948 | } | |
2949 | } | |
eb383413 | 2950 | |
d00edca5 DD |
2951 | d_append_char (dpi, '('); |
2952 | d_print_comp (dpi, d_left (dc)); | |
2953 | d_append_char (dpi, ')'); | |
2954 | d_print_comp (dpi, d_right (dc)); | |
2955 | return; | |
eb383413 | 2956 | |
d00edca5 DD |
2957 | default: |
2958 | d_print_error (dpi); | |
2959 | return; | |
2960 | } | |
eb383413 L |
2961 | } |
2962 | ||
d00edca5 | 2963 | /* Print an identifier. */ |
eb383413 | 2964 | |
d00edca5 DD |
2965 | static void |
2966 | d_print_identifier (dpi, name, len) | |
2967 | struct d_print_info *dpi; | |
2968 | const char *name; | |
2969 | int len; | |
eb383413 | 2970 | { |
d00edca5 DD |
2971 | if ((dpi->options & DMGL_JAVA) == 0) |
2972 | d_append_buffer (dpi, name, len); | |
2973 | else | |
eb383413 | 2974 | { |
d00edca5 DD |
2975 | const char *p; |
2976 | const char *end; | |
eb383413 | 2977 | |
d00edca5 DD |
2978 | /* For Java we try to handle encoded extended Unicode |
2979 | characters. The C++ ABI doesn't mention Unicode encoding, so | |
2980 | we don't it for C++. Characters are encoded as | |
2981 | __U<hex-char>+_. */ | |
2982 | end = name + len; | |
2983 | for (p = name; p < end; ++p) | |
eb383413 | 2984 | { |
d00edca5 DD |
2985 | if (end - p > 3 |
2986 | && p[0] == '_' | |
2987 | && p[1] == '_' | |
2988 | && p[2] == 'U') | |
2989 | { | |
2990 | unsigned long c; | |
2991 | const char *q; | |
eb383413 | 2992 | |
d00edca5 DD |
2993 | c = 0; |
2994 | for (q = p + 3; q < end; ++q) | |
2995 | { | |
2996 | int dig; | |
2997 | ||
2998 | if (*q >= '0' && *q <= '9') | |
2999 | dig = *q - '0'; | |
3000 | else if (*q >= 'A' && *q <= 'F') | |
3001 | dig = *q - 'A' + 10; | |
3002 | else if (*q >= 'a' && *q <= 'f') | |
3003 | dig = *q - 'a' + 10; | |
3004 | else | |
3005 | break; | |
3006 | ||
3007 | c = c * 16 + dig; | |
3008 | } | |
3009 | /* If the Unicode character is larger than 256, we don't | |
3010 | try to deal with it here. FIXME. */ | |
3011 | if (q < end && *q == '_' && c < 256) | |
3012 | { | |
3013 | d_append_char (dpi, c); | |
3014 | p = q; | |
3015 | continue; | |
3016 | } | |
3017 | } | |
eb383413 | 3018 | |
d00edca5 DD |
3019 | d_append_char (dpi, *p); |
3020 | } | |
eb383413 | 3021 | } |
eb383413 L |
3022 | } |
3023 | ||
d00edca5 | 3024 | /* Print a list of modifiers. */ |
eb383413 | 3025 | |
d00edca5 DD |
3026 | static void |
3027 | d_print_mod_list (dpi, mods) | |
3028 | struct d_print_info *dpi; | |
3029 | struct d_print_mod *mods; | |
eb383413 | 3030 | { |
d00edca5 DD |
3031 | if (mods == NULL || mods->printed || d_print_saw_error (dpi)) |
3032 | return; | |
eb383413 | 3033 | |
d00edca5 | 3034 | if (mods->mod->type == D_COMP_FUNCTION_TYPE) |
eb383413 | 3035 | { |
d00edca5 DD |
3036 | mods->printed = 1; |
3037 | d_print_function_type (dpi, mods->mod, mods->next); | |
3038 | return; | |
3039 | } | |
3040 | else if (mods->mod->type == D_COMP_ARRAY_TYPE) | |
3041 | { | |
3042 | mods->printed = 1; | |
3043 | d_print_array_type (dpi, mods->mod, mods->next); | |
3044 | return; | |
3045 | } | |
eb383413 | 3046 | |
d00edca5 | 3047 | mods->printed = 1; |
eb383413 | 3048 | |
d00edca5 | 3049 | d_print_mod (dpi, mods->mod); |
eb383413 | 3050 | |
d00edca5 | 3051 | d_print_mod_list (dpi, mods->next); |
eb383413 | 3052 | } |
d00edca5 DD |
3053 | |
3054 | /* Print a modifier. */ | |
eb383413 | 3055 | |
d00edca5 DD |
3056 | static void |
3057 | d_print_mod (dpi, mod) | |
3058 | struct d_print_info *dpi; | |
3059 | const struct d_comp *mod; | |
3060 | { | |
3061 | switch (mod->type) | |
3062 | { | |
3063 | case D_COMP_RESTRICT: | |
3064 | d_append_string (dpi, " restrict"); | |
3065 | return; | |
3066 | case D_COMP_VOLATILE: | |
3067 | d_append_string (dpi, " volatile"); | |
3068 | return; | |
3069 | case D_COMP_CONST: | |
3070 | d_append_string (dpi, " const"); | |
3071 | return; | |
3072 | case D_COMP_VENDOR_TYPE_QUAL: | |
3073 | d_append_char (dpi, ' '); | |
3074 | d_print_comp (dpi, d_right (mod)); | |
3075 | return; | |
3076 | case D_COMP_POINTER: | |
3077 | /* There is no pointer symbol in Java. */ | |
3078 | if ((dpi->options & DMGL_JAVA) == 0) | |
3079 | d_append_char (dpi, '*'); | |
3080 | return; | |
3081 | case D_COMP_REFERENCE: | |
3082 | d_append_char (dpi, '&'); | |
3083 | return; | |
3084 | case D_COMP_COMPLEX: | |
3085 | d_append_string (dpi, "complex "); | |
3086 | return; | |
3087 | case D_COMP_IMAGINARY: | |
3088 | d_append_string (dpi, "imaginary "); | |
3089 | return; | |
3090 | case D_COMP_PTRMEM_TYPE: | |
3091 | if (dpi->buf[dpi->len - 1] != '(') | |
3092 | d_append_char (dpi, ' '); | |
3093 | d_print_comp (dpi, d_left (mod)); | |
3094 | d_append_string (dpi, "::*"); | |
3095 | return; | |
3096 | case D_COMP_TYPED_NAME: | |
3097 | d_print_comp (dpi, d_left (mod)); | |
3098 | return; | |
3099 | default: | |
3100 | /* Otherwise, we have something that won't go back on the | |
3101 | modifier stack, so we can just print it. */ | |
3102 | d_print_comp (dpi, mod); | |
3103 | return; | |
3104 | } | |
3105 | } | |
eb383413 | 3106 | |
d00edca5 | 3107 | /* Print a function type, except for the return type. */ |
eb383413 | 3108 | |
d00edca5 DD |
3109 | static void |
3110 | d_print_function_type (dpi, dc, mods) | |
3111 | struct d_print_info *dpi; | |
3112 | const struct d_comp *dc; | |
3113 | struct d_print_mod *mods; | |
eb383413 | 3114 | { |
d00edca5 DD |
3115 | if (mods != NULL) |
3116 | { | |
3117 | int need_paren; | |
3118 | int saw_mod; | |
3119 | struct d_print_mod *p; | |
eb383413 | 3120 | |
d00edca5 DD |
3121 | need_paren = 0; |
3122 | saw_mod = 0; | |
3123 | for (p = mods; p != NULL; p = p->next) | |
3124 | { | |
3125 | if (p->printed) | |
3126 | break; | |
eb383413 | 3127 | |
d00edca5 DD |
3128 | saw_mod = 1; |
3129 | switch (p->mod->type) | |
3130 | { | |
3131 | case D_COMP_RESTRICT: | |
3132 | case D_COMP_VOLATILE: | |
3133 | case D_COMP_CONST: | |
3134 | case D_COMP_VENDOR_TYPE_QUAL: | |
3135 | case D_COMP_POINTER: | |
3136 | case D_COMP_REFERENCE: | |
3137 | case D_COMP_COMPLEX: | |
3138 | case D_COMP_IMAGINARY: | |
3139 | case D_COMP_PTRMEM_TYPE: | |
3140 | need_paren = 1; | |
3141 | break; | |
3142 | default: | |
3143 | break; | |
3144 | } | |
3145 | if (need_paren) | |
3146 | break; | |
3147 | } | |
eb383413 | 3148 | |
d00edca5 DD |
3149 | if (d_left (dc) != NULL && ! saw_mod) |
3150 | need_paren = 1; | |
eb383413 | 3151 | |
d00edca5 DD |
3152 | if (need_paren) |
3153 | d_append_char (dpi, '('); | |
eb383413 | 3154 | |
d00edca5 | 3155 | d_print_mod_list (dpi, mods); |
eb383413 | 3156 | |
d00edca5 DD |
3157 | if (need_paren) |
3158 | d_append_char (dpi, ')'); | |
eb383413 | 3159 | } |
eb383413 | 3160 | |
d00edca5 | 3161 | d_append_char (dpi, '('); |
eb383413 | 3162 | |
d00edca5 DD |
3163 | if (d_right (dc) != NULL) |
3164 | d_print_comp (dpi, d_right (dc)); | |
eb383413 | 3165 | |
d00edca5 DD |
3166 | d_append_char (dpi, ')'); |
3167 | } | |
eb383413 | 3168 | |
d00edca5 | 3169 | /* Print an array type, except for the element type. */ |
eb383413 | 3170 | |
d00edca5 DD |
3171 | static void |
3172 | d_print_array_type (dpi, dc, mods) | |
3173 | struct d_print_info *dpi; | |
3174 | const struct d_comp *dc; | |
3175 | struct d_print_mod *mods; | |
3176 | { | |
3177 | int need_space; | |
eb383413 | 3178 | |
d00edca5 DD |
3179 | need_space = 1; |
3180 | if (mods != NULL) | |
eb383413 | 3181 | { |
d00edca5 DD |
3182 | int need_paren; |
3183 | struct d_print_mod *p; | |
03d5f569 | 3184 | |
d00edca5 DD |
3185 | need_paren = 0; |
3186 | for (p = mods; p != NULL; p = p->next) | |
eb383413 | 3187 | { |
d00edca5 DD |
3188 | if (p->printed) |
3189 | break; | |
eb383413 | 3190 | |
d00edca5 | 3191 | if (p->mod->type == D_COMP_ARRAY_TYPE) |
eb383413 | 3192 | { |
d00edca5 DD |
3193 | need_space = 0; |
3194 | break; | |
eb383413 L |
3195 | } |
3196 | else | |
3197 | { | |
d00edca5 DD |
3198 | need_paren = 1; |
3199 | need_space = 1; | |
3200 | break; | |
eb383413 | 3201 | } |
d00edca5 | 3202 | } |
eb383413 | 3203 | |
d00edca5 DD |
3204 | if (need_paren) |
3205 | d_append_string (dpi, " ("); | |
eb383413 | 3206 | |
d00edca5 | 3207 | d_print_mod_list (dpi, mods); |
eb383413 | 3208 | |
d00edca5 DD |
3209 | if (need_paren) |
3210 | d_append_char (dpi, ')'); | |
3211 | } | |
eb383413 | 3212 | |
d00edca5 DD |
3213 | if (need_space) |
3214 | d_append_char (dpi, ' '); | |
03d5f569 | 3215 | |
d00edca5 | 3216 | d_append_char (dpi, '['); |
03d5f569 | 3217 | |
d00edca5 DD |
3218 | if (d_left (dc) != NULL) |
3219 | d_print_comp (dpi, d_left (dc)); | |
eb383413 | 3220 | |
d00edca5 DD |
3221 | d_append_char (dpi, ']'); |
3222 | } | |
eb383413 | 3223 | |
d00edca5 | 3224 | /* Print an operator in an expression. */ |
eb383413 | 3225 | |
d00edca5 DD |
3226 | static void |
3227 | d_print_expr_op (dpi, dc) | |
3228 | struct d_print_info *dpi; | |
3229 | const struct d_comp *dc; | |
3230 | { | |
3231 | if (dc->type == D_COMP_OPERATOR) | |
3232 | d_append_string (dpi, dc->u.s_operator.op->name); | |
3233 | else | |
3234 | d_print_comp (dpi, dc); | |
eb383413 L |
3235 | } |
3236 | ||
d00edca5 | 3237 | /* Print a cast. */ |
eb383413 | 3238 | |
d00edca5 DD |
3239 | static void |
3240 | d_print_cast (dpi, dc) | |
3241 | struct d_print_info *dpi; | |
3242 | const struct d_comp *dc; | |
eb383413 | 3243 | { |
d00edca5 DD |
3244 | if (d_left (dc)->type != D_COMP_TEMPLATE) |
3245 | d_print_comp (dpi, d_left (dc)); | |
3246 | else | |
3247 | { | |
3248 | struct d_print_template dpt; | |
0976f6a7 | 3249 | |
d00edca5 DD |
3250 | /* It appears that for a templated cast operator, we need to put |
3251 | the template parameters in scope for the operator name, but | |
3252 | not for the parameters. The effect is that we need to handle | |
3253 | the template printing here. FIXME: Verify this. */ | |
eb383413 | 3254 | |
d00edca5 DD |
3255 | dpt.next = dpi->templates; |
3256 | dpi->templates = &dpt; | |
3257 | dpt.template = d_left (dc); | |
0976f6a7 | 3258 | |
d00edca5 | 3259 | d_print_comp (dpi, d_left (d_left (dc))); |
0976f6a7 | 3260 | |
d00edca5 | 3261 | dpi->templates = dpt.next; |
eb383413 | 3262 | |
d00edca5 DD |
3263 | d_append_char (dpi, '<'); |
3264 | d_print_comp (dpi, d_right (d_left (dc))); | |
3265 | /* Avoid generating two consecutive '>' characters, to avoid | |
3266 | the C++ syntactic ambiguity. */ | |
3267 | if (dpi->buf[dpi->len - 1] == '>') | |
3268 | d_append_char (dpi, ' '); | |
3269 | d_append_char (dpi, '>'); | |
eb383413 | 3270 | } |
d00edca5 DD |
3271 | } |
3272 | ||
3273 | /* Initialize the information structure we use to pass around | |
3274 | information. */ | |
3275 | ||
3276 | static int | |
3277 | d_init_info (mangled, options, len, di) | |
3278 | const char *mangled; | |
3279 | int options; | |
3280 | size_t len; | |
3281 | struct d_info *di; | |
eb383413 | 3282 | { |
d00edca5 DD |
3283 | di->s = mangled; |
3284 | di->options = options; | |
eb383413 | 3285 | |
d00edca5 DD |
3286 | di->n = mangled; |
3287 | ||
3288 | /* We can not need more components than twice the number of chars in | |
3289 | the mangled string. Most components correspond directly to | |
3290 | chars, but the ARGLIST types are exceptions. */ | |
3291 | di->num_comps = 2 * len; | |
3292 | di->comps = (struct d_comp *) malloc (di->num_comps | |
3293 | * sizeof (struct d_comp)); | |
3294 | di->next_comp = 0; | |
3295 | ||
3296 | /* Similarly, we can not need more substitutions than there are | |
3297 | chars in the mangled string divided by 2, since it takes at least | |
3298 | two chars to refer to a substitution. */ | |
3299 | di->num_subs = (len + 1) / 2; | |
3300 | di->subs = (struct d_comp **) malloc (di->num_subs | |
3301 | * sizeof (struct d_comp *)); | |
3302 | di->next_sub = 0; | |
3303 | ||
3304 | di->last_name = NULL; | |
3305 | ||
3306 | if (di->comps == NULL || di->subs == NULL) | |
eb383413 | 3307 | { |
d00edca5 DD |
3308 | if (di->comps != NULL) |
3309 | free (di->comps); | |
3310 | if (di->subs != NULL) | |
3311 | free (di->subs); | |
3312 | return 0; | |
eb383413 L |
3313 | } |
3314 | ||
d00edca5 | 3315 | return 1; |
eb383413 L |
3316 | } |
3317 | ||
d00edca5 DD |
3318 | /* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled |
3319 | name, return a buffer allocated with malloc holding the demangled | |
3320 | name. OPTIONS is the usual libiberty demangler options. On | |
3321 | success, this sets *PALC to the allocated size of the returned | |
3322 | buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for | |
3323 | a memory allocation failure. On failure, this returns NULL. */ | |
eb383413 | 3324 | |
d00edca5 DD |
3325 | static char * |
3326 | d_demangle (mangled, options, palc) | |
3327 | const char* mangled; | |
3328 | int options; | |
3329 | size_t *palc; | |
eb383413 | 3330 | { |
d00edca5 DD |
3331 | size_t len; |
3332 | int type; | |
3333 | struct d_info di; | |
3334 | struct d_comp *dc; | |
3335 | char *ret; | |
eb383413 | 3336 | |
d00edca5 | 3337 | *palc = 0; |
eb383413 | 3338 | |
d00edca5 DD |
3339 | len = strlen (mangled); |
3340 | ||
3341 | if (mangled[0] == '_' && mangled[1] == 'Z') | |
3342 | type = 0; | |
3343 | else if (strncmp (mangled, "_GLOBAL_", 8) == 0 | |
3344 | && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$') | |
3345 | && (mangled[9] == 'D' || mangled[9] == 'I') | |
3346 | && mangled[10] == '_') | |
3347 | { | |
3348 | char *r; | |
eb383413 | 3349 | |
d00edca5 DD |
3350 | r = malloc (40 + len - 11); |
3351 | if (r == NULL) | |
3352 | *palc = 1; | |
3353 | else | |
eb383413 | 3354 | { |
d00edca5 DD |
3355 | if (mangled[9] == 'I') |
3356 | strcpy (r, "global constructors keyed to "); | |
3357 | else | |
3358 | strcpy (r, "global destructors keyed to "); | |
3359 | strcat (r, mangled + 11); | |
eb383413 | 3360 | } |
d00edca5 | 3361 | return r; |
eb383413 L |
3362 | } |
3363 | else | |
3364 | { | |
d00edca5 DD |
3365 | if ((options & DMGL_TYPES) == 0) |
3366 | return NULL; | |
3367 | type = 1; | |
eb383413 L |
3368 | } |
3369 | ||
d00edca5 | 3370 | if (! d_init_info (mangled, options, len, &di)) |
03d5f569 | 3371 | { |
d00edca5 DD |
3372 | *palc = 1; |
3373 | return NULL; | |
03d5f569 JM |
3374 | } |
3375 | ||
d00edca5 DD |
3376 | if (! type) |
3377 | dc = d_mangled_name (&di); | |
3378 | else | |
3379 | dc = d_type (&di); | |
3380 | ||
3381 | #ifdef CP_DEMANGLE_DEBUG | |
3382 | if (dc == NULL) | |
3383 | printf ("failed demangling\n"); | |
3384 | else | |
3385 | d_dump (dc, 0); | |
3386 | #endif | |
3387 | ||
3388 | free (di.subs); | |
3389 | di.subs = NULL; | |
03d5f569 | 3390 | |
d00edca5 DD |
3391 | ret = NULL; |
3392 | if (dc != NULL) | |
3393 | ret = d_print (options, dc, palc); | |
03d5f569 | 3394 | |
d00edca5 | 3395 | free (di.comps); |
03d5f569 | 3396 | |
d00edca5 | 3397 | return ret; |
eb383413 L |
3398 | } |
3399 | ||
0c4460bb | 3400 | #if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3) |
d00edca5 | 3401 | |
03d5f569 JM |
3402 | extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *)); |
3403 | ||
d00edca5 DD |
3404 | /* ia64 ABI-mandated entry point in the C++ runtime library for |
3405 | performing demangling. MANGLED_NAME is a NUL-terminated character | |
3406 | string containing the name to be demangled. | |
03d5f569 JM |
3407 | |
3408 | OUTPUT_BUFFER is a region of memory, allocated with malloc, of | |
3409 | *LENGTH bytes, into which the demangled name is stored. If | |
3410 | OUTPUT_BUFFER is not long enough, it is expanded using realloc. | |
3411 | OUTPUT_BUFFER may instead be NULL; in that case, the demangled name | |
d00edca5 | 3412 | is placed in a region of memory allocated with malloc. |
03d5f569 JM |
3413 | |
3414 | If LENGTH is non-NULL, the length of the buffer conaining the | |
d00edca5 | 3415 | demangled name, is placed in *LENGTH. |
03d5f569 JM |
3416 | |
3417 | The return value is a pointer to the start of the NUL-terminated | |
3418 | demangled name, or NULL if the demangling fails. The caller is | |
d00edca5 | 3419 | responsible for deallocating this memory using free. |
03d5f569 JM |
3420 | |
3421 | *STATUS is set to one of the following values: | |
3422 | 0: The demangling operation succeeded. | |
d00edca5 | 3423 | -1: A memory allocation failure occurred. |
03d5f569 JM |
3424 | -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules. |
3425 | -3: One of the arguments is invalid. | |
3426 | ||
d00edca5 | 3427 | The demangling is performed using the C++ ABI mangling rules, with |
03d5f569 JM |
3428 | GNU extensions. */ |
3429 | ||
3430 | char * | |
3431 | __cxa_demangle (mangled_name, output_buffer, length, status) | |
3432 | const char *mangled_name; | |
3433 | char *output_buffer; | |
3434 | size_t *length; | |
3435 | int *status; | |
3436 | { | |
d00edca5 DD |
3437 | char *demangled; |
3438 | size_t alc; | |
03d5f569 JM |
3439 | |
3440 | if (status == NULL) | |
3441 | return NULL; | |
3442 | ||
d00edca5 DD |
3443 | if (mangled_name == NULL) |
3444 | { | |
03d5f569 JM |
3445 | *status = -3; |
3446 | return NULL; | |
3447 | } | |
03d5f569 | 3448 | |
d00edca5 | 3449 | if (output_buffer != NULL && length == NULL) |
03d5f569 | 3450 | { |
d00edca5 DD |
3451 | *status = -3; |
3452 | return NULL; | |
03d5f569 | 3453 | } |
d00edca5 DD |
3454 | |
3455 | demangled = d_demangle (mangled_name, DMGL_TYPES, &alc); | |
3456 | ||
3457 | if (demangled == NULL) | |
03d5f569 | 3458 | { |
d00edca5 DD |
3459 | if (alc == 1) |
3460 | *status = -1; | |
3461 | else | |
3462 | *status = -2; | |
03d5f569 JM |
3463 | return NULL; |
3464 | } | |
d00edca5 DD |
3465 | |
3466 | if (output_buffer == NULL) | |
3467 | { | |
3468 | if (length != NULL) | |
3469 | *length = alc; | |
3470 | } | |
03d5f569 | 3471 | else |
03d5f569 | 3472 | { |
d00edca5 DD |
3473 | if (strlen (demangled) < *length) |
3474 | { | |
3475 | strcpy (output_buffer, demangled); | |
3476 | free (demangled); | |
3477 | demangled = output_buffer; | |
3478 | } | |
3479 | else | |
3480 | { | |
3481 | free (output_buffer); | |
3482 | *length = alc; | |
3483 | } | |
03d5f569 | 3484 | } |
d00edca5 DD |
3485 | |
3486 | *status = 0; | |
3487 | ||
3488 | return demangled; | |
03d5f569 JM |
3489 | } |
3490 | ||
0c4460bb | 3491 | #else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */ |
03d5f569 | 3492 | |
d00edca5 DD |
3493 | /* Entry point for libiberty demangler. If MANGLED is a g++ v3 ABI |
3494 | mangled name, return a buffer allocated with malloc holding the | |
3495 | demangled name. Otherwise, return NULL. */ | |
eb383413 L |
3496 | |
3497 | char * | |
44354ae1 | 3498 | cplus_demangle_v3 (mangled, options) |
eb383413 | 3499 | const char* mangled; |
44354ae1 | 3500 | int options; |
eb383413 | 3501 | { |
d00edca5 | 3502 | size_t alc; |
849ee224 | 3503 | |
d00edca5 | 3504 | return d_demangle (mangled, options, &alc); |
eb383413 L |
3505 | } |
3506 | ||
bc9bf259 DD |
3507 | /* Demangle a Java symbol. Java uses a subset of the V3 ABI C++ mangling |
3508 | conventions, but the output formatting is a little different. | |
3509 | This instructs the C++ demangler not to emit pointer characters ("*"), and | |
3510 | to use Java's namespace separator symbol ("." instead of "::"). It then | |
3511 | does an additional pass over the demangled output to replace instances | |
3512 | of JArray<TYPE> with TYPE[]. */ | |
3513 | ||
3514 | char * | |
3515 | java_demangle_v3 (mangled) | |
3516 | const char* mangled; | |
3517 | { | |
d00edca5 DD |
3518 | size_t alc; |
3519 | char *demangled; | |
3520 | int nesting; | |
3521 | char *from; | |
3522 | char *to; | |
3523 | ||
3524 | demangled = d_demangle (mangled, DMGL_JAVA, &alc); | |
3525 | ||
3526 | if (demangled == NULL) | |
3527 | return NULL; | |
3528 | ||
3529 | nesting = 0; | |
3530 | from = demangled; | |
3531 | to = from; | |
3532 | while (*from != '\0') | |
bc9bf259 | 3533 | { |
d00edca5 DD |
3534 | if (strncmp (from, "JArray<", 7) == 0) |
3535 | { | |
3536 | from += 7; | |
bc9bf259 | 3537 | ++nesting; |
bc9bf259 | 3538 | } |
d00edca5 DD |
3539 | else if (nesting > 0 && *from == '>') |
3540 | { | |
3541 | while (to > demangled && to[-1] == ' ') | |
3542 | --to; | |
3543 | *to++ = '['; | |
3544 | *to++ = ']'; | |
bc9bf259 | 3545 | --nesting; |
d00edca5 | 3546 | ++from; |
bc9bf259 DD |
3547 | } |
3548 | else | |
d00edca5 | 3549 | *to++ = *from++; |
bc9bf259 DD |
3550 | } |
3551 | ||
d00edca5 | 3552 | *to = '\0'; |
f2160d2b | 3553 | |
d00edca5 | 3554 | return demangled; |
bc9bf259 DD |
3555 | } |
3556 | ||
0c4460bb | 3557 | #endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */ |
03d5f569 | 3558 | |
2a9dffbf | 3559 | #ifndef IN_GLIBCPP_V3 |
d00edca5 DD |
3560 | |
3561 | /* Demangle a string in order to find out whether it is a constructor | |
3562 | or destructor. Return non-zero on success. Set *CTOR_KIND and | |
3563 | *DTOR_KIND appropriately. */ | |
3564 | ||
3565 | static int | |
3566 | is_ctor_or_dtor (mangled, ctor_kind, dtor_kind) | |
3567 | const char *mangled; | |
3568 | enum gnu_v3_ctor_kinds *ctor_kind; | |
3569 | enum gnu_v3_dtor_kinds *dtor_kind; | |
e61231f1 | 3570 | { |
d00edca5 DD |
3571 | struct d_info di; |
3572 | struct d_comp *dc; | |
e61231f1 | 3573 | |
d00edca5 DD |
3574 | *ctor_kind = (enum gnu_v3_ctor_kinds) 0; |
3575 | *dtor_kind = (enum gnu_v3_dtor_kinds) 0; | |
3576 | ||
3577 | if (! d_init_info (mangled, DMGL_GNU_V3, strlen (mangled), &di)) | |
e61231f1 JB |
3578 | return 0; |
3579 | ||
d00edca5 DD |
3580 | dc = d_mangled_name (&di); |
3581 | ||
3582 | if (dc == NULL) | |
3583 | return 0; | |
e61231f1 | 3584 | |
d00edca5 | 3585 | while (dc != NULL) |
e61231f1 | 3586 | { |
d00edca5 DD |
3587 | switch (dc->type) |
3588 | { | |
3589 | default: | |
3590 | return 0; | |
3591 | case D_COMP_TYPED_NAME: | |
3592 | case D_COMP_TEMPLATE: | |
3593 | case D_COMP_RESTRICT: | |
3594 | case D_COMP_VOLATILE: | |
3595 | case D_COMP_CONST: | |
3596 | case D_COMP_VENDOR_TYPE_QUAL: | |
3597 | dc = d_left (dc); | |
3598 | break; | |
3599 | case D_COMP_QUAL_NAME: | |
3600 | dc = d_right (dc); | |
3601 | break; | |
3602 | case D_COMP_CTOR: | |
3603 | *ctor_kind = dc->u.s_ctor.kind; | |
3604 | return 1; | |
3605 | case D_COMP_DTOR: | |
3606 | *dtor_kind = dc->u.s_dtor.kind; | |
3607 | return 1; | |
3608 | } | |
e61231f1 JB |
3609 | } |
3610 | ||
e61231f1 JB |
3611 | return 0; |
3612 | } | |
3613 | ||
d00edca5 DD |
3614 | /* Return whether NAME is the mangled form of a g++ V3 ABI constructor |
3615 | name. A non-zero return indicates the type of constructor. */ | |
e61231f1 | 3616 | |
e61231f1 | 3617 | enum gnu_v3_ctor_kinds |
457161bf DD |
3618 | is_gnu_v3_mangled_ctor (name) |
3619 | const char *name; | |
e61231f1 | 3620 | { |
d00edca5 DD |
3621 | enum gnu_v3_ctor_kinds ctor_kind; |
3622 | enum gnu_v3_dtor_kinds dtor_kind; | |
e61231f1 | 3623 | |
d00edca5 | 3624 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
585cc78f | 3625 | return (enum gnu_v3_ctor_kinds) 0; |
d00edca5 | 3626 | return ctor_kind; |
e61231f1 JB |
3627 | } |
3628 | ||
3629 | ||
d00edca5 DD |
3630 | /* Return whether NAME is the mangled form of a g++ V3 ABI destructor |
3631 | name. A non-zero return indicates the type of destructor. */ | |
3632 | ||
e61231f1 | 3633 | enum gnu_v3_dtor_kinds |
457161bf DD |
3634 | is_gnu_v3_mangled_dtor (name) |
3635 | const char *name; | |
e61231f1 | 3636 | { |
d00edca5 DD |
3637 | enum gnu_v3_ctor_kinds ctor_kind; |
3638 | enum gnu_v3_dtor_kinds dtor_kind; | |
e61231f1 | 3639 | |
d00edca5 | 3640 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
585cc78f | 3641 | return (enum gnu_v3_dtor_kinds) 0; |
d00edca5 | 3642 | return dtor_kind; |
e61231f1 JB |
3643 | } |
3644 | ||
d00edca5 | 3645 | #endif /* IN_GLIBCPP_V3 */ |
e61231f1 | 3646 | |
eb383413 L |
3647 | #ifdef STANDALONE_DEMANGLER |
3648 | ||
3649 | #include "getopt.h" | |
d00edca5 DD |
3650 | #include "dyn-string.h" |
3651 | ||
3652 | static void print_usage PARAMS ((FILE* fp, int exit_value)); | |
eb383413 | 3653 | |
d00edca5 DD |
3654 | #define IS_ALPHA(CHAR) \ |
3655 | (((CHAR) >= 'a' && (CHAR) <= 'z') \ | |
3656 | || ((CHAR) >= 'A' && (CHAR) <= 'Z')) | |
eb383413 L |
3657 | |
3658 | /* Non-zero if CHAR is a character than can occur in a mangled name. */ | |
3659 | #define is_mangled_char(CHAR) \ | |
74bcd529 DD |
3660 | (IS_ALPHA (CHAR) || IS_DIGIT (CHAR) \ |
3661 | || (CHAR) == '_' || (CHAR) == '.' || (CHAR) == '$') | |
eb383413 L |
3662 | |
3663 | /* The name of this program, as invoked. */ | |
3664 | const char* program_name; | |
3665 | ||
3666 | /* Prints usage summary to FP and then exits with EXIT_VALUE. */ | |
3667 | ||
3668 | static void | |
3669 | print_usage (fp, exit_value) | |
3670 | FILE* fp; | |
3671 | int exit_value; | |
3672 | { | |
3673 | fprintf (fp, "Usage: %s [options] [names ...]\n", program_name); | |
74bcd529 | 3674 | fprintf (fp, "Options:\n"); |
eb383413 | 3675 | fprintf (fp, " -h,--help Display this message.\n"); |
eb383413 L |
3676 | fprintf (fp, " -v,--verbose Produce verbose demanglings.\n"); |
3677 | fprintf (fp, "If names are provided, they are demangled. Otherwise filters standard input.\n"); | |
3678 | ||
3679 | exit (exit_value); | |
3680 | } | |
3681 | ||
3682 | /* Option specification for getopt_long. */ | |
c23795e2 | 3683 | static const struct option long_options[] = |
eb383413 L |
3684 | { |
3685 | { "help", no_argument, NULL, 'h' }, | |
eb383413 L |
3686 | { "verbose", no_argument, NULL, 'v' }, |
3687 | { NULL, no_argument, NULL, 0 }, | |
3688 | }; | |
3689 | ||
3690 | /* Main entry for a demangling filter executable. It will demangle | |
3691 | its command line arguments, if any. If none are provided, it will | |
3692 | filter stdin to stdout, replacing any recognized mangled C++ names | |
3693 | with their demangled equivalents. */ | |
3694 | ||
3695 | int | |
3696 | main (argc, argv) | |
3697 | int argc; | |
3698 | char *argv[]; | |
3699 | { | |
eb383413 L |
3700 | int i; |
3701 | int opt_char; | |
d00edca5 | 3702 | int options = DMGL_PARAMS | DMGL_ANSI | DMGL_TYPES; |
eb383413 L |
3703 | |
3704 | /* Use the program name of this program, as invoked. */ | |
3705 | program_name = argv[0]; | |
3706 | ||
3707 | /* Parse options. */ | |
3708 | do | |
3709 | { | |
d00edca5 | 3710 | opt_char = getopt_long (argc, argv, "hv", long_options, NULL); |
eb383413 L |
3711 | switch (opt_char) |
3712 | { | |
3713 | case '?': /* Unrecognized option. */ | |
3714 | print_usage (stderr, 1); | |
3715 | break; | |
3716 | ||
3717 | case 'h': | |
3718 | print_usage (stdout, 0); | |
3719 | break; | |
3720 | ||
eb383413 | 3721 | case 'v': |
d00edca5 | 3722 | options |= DMGL_VERBOSE; |
eb383413 L |
3723 | break; |
3724 | } | |
3725 | } | |
3726 | while (opt_char != -1); | |
3727 | ||
3728 | if (optind == argc) | |
3729 | /* No command line arguments were provided. Filter stdin. */ | |
3730 | { | |
3731 | dyn_string_t mangled = dyn_string_new (3); | |
d00edca5 | 3732 | char *s; |
eb383413 L |
3733 | |
3734 | /* Read all of input. */ | |
3735 | while (!feof (stdin)) | |
3736 | { | |
d00edca5 | 3737 | char c; |
eb383413 L |
3738 | |
3739 | /* Pile characters into mangled until we hit one that can't | |
3740 | occur in a mangled name. */ | |
3741 | c = getchar (); | |
3742 | while (!feof (stdin) && is_mangled_char (c)) | |
3743 | { | |
3744 | dyn_string_append_char (mangled, c); | |
3745 | if (feof (stdin)) | |
3746 | break; | |
3747 | c = getchar (); | |
3748 | } | |
3749 | ||
d00edca5 | 3750 | if (dyn_string_length (mangled) > 0) |
03d5f569 | 3751 | { |
d00edca5 DD |
3752 | s = cplus_demangle_v3 (dyn_string_buf (mangled), options); |
3753 | ||
3754 | if (s != NULL) | |
3755 | { | |
3756 | fputs (s, stdout); | |
3757 | free (s); | |
3758 | } | |
3759 | else | |
3760 | { | |
3761 | /* It might not have been a mangled name. Print the | |
3762 | original text. */ | |
3763 | fputs (dyn_string_buf (mangled), stdout); | |
3764 | } | |
3765 | ||
3766 | dyn_string_clear (mangled); | |
03d5f569 | 3767 | } |
eb383413 L |
3768 | |
3769 | /* If we haven't hit EOF yet, we've read one character that | |
3770 | can't occur in a mangled name, so print it out. */ | |
3771 | if (!feof (stdin)) | |
3772 | putchar (c); | |
eb383413 L |
3773 | } |
3774 | ||
3775 | dyn_string_delete (mangled); | |
eb383413 L |
3776 | } |
3777 | else | |
3778 | /* Demangle command line arguments. */ | |
3779 | { | |
eb383413 L |
3780 | /* Loop over command line arguments. */ |
3781 | for (i = optind; i < argc; ++i) | |
3782 | { | |
d00edca5 DD |
3783 | char *s; |
3784 | ||
eb383413 | 3785 | /* Attempt to demangle. */ |
d00edca5 | 3786 | s = cplus_demangle_v3 (argv[i], options); |
eb383413 L |
3787 | |
3788 | /* If it worked, print the demangled name. */ | |
d00edca5 | 3789 | if (s != NULL) |
03d5f569 | 3790 | { |
d00edca5 DD |
3791 | printf ("%s\n", s); |
3792 | free (s); | |
03d5f569 | 3793 | } |
d00edca5 DD |
3794 | else |
3795 | fprintf (stderr, "Failed: %s\n", argv[i]); | |
eb383413 | 3796 | } |
eb383413 L |
3797 | } |
3798 | ||
3799 | return 0; | |
3800 | } | |
3801 | ||
3802 | #endif /* STANDALONE_DEMANGLER */ |