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1b4974e7 | 1 | /* Demangler for g++ V3 ABI. |
2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
3 | Written by Ian Lance Taylor <ian@wasabisystems.com>. | |
168d63e5 | 4 | |
484e4040 | 5 | This file is part of the libiberty library, which is part of GCC. |
09656987 | 6 | |
484e4040 | 7 | This file is free software; you can redistribute it and/or modify |
168d63e5 | 8 | it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
8916275c | 12 | In addition to the permissions in the GNU General Public License, the |
13 | Free Software Foundation gives you unlimited permission to link the | |
14 | compiled version of this file into combinations with other programs, | |
15 | and to distribute those combinations without any restriction coming | |
16 | from the use of this file. (The General Public License restrictions | |
17 | do apply in other respects; for example, they cover modification of | |
18 | the file, and distribution when not linked into a combined | |
19 | executable.) | |
20 | ||
168d63e5 | 21 | This program is distributed in the hope that it will be useful, |
22 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | GNU General Public License for more details. | |
25 | ||
26 | You should have received a copy of the GNU General Public License | |
27 | along with this program; if not, write to the Free Software | |
28 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
29 | */ | |
30 | ||
168d63e5 | 31 | #ifdef HAVE_CONFIG_H |
32 | #include "config.h" | |
33 | #endif | |
34 | ||
1b4974e7 | 35 | #include <stdio.h> |
68e6b6e1 | 36 | |
168d63e5 | 37 | #ifdef HAVE_STDLIB_H |
38 | #include <stdlib.h> | |
39 | #endif | |
168d63e5 | 40 | #ifdef HAVE_STRING_H |
41 | #include <string.h> | |
42 | #endif | |
43 | ||
44 | #include "ansidecl.h" | |
45 | #include "libiberty.h" | |
4b7bc488 | 46 | #include "demangle.h" |
168d63e5 | 47 | |
1b4974e7 | 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 | |
168d63e5 | 51 | |
1b4974e7 | 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') | |
140d75d7 | 61 | |
40e00cb0 | 62 | /* The prefix prepended by GCC to an identifier represnting the |
63 | anonymous namespace. */ | |
64 | #define ANONYMOUS_NAMESPACE_PREFIX "_GLOBAL_" | |
1b4974e7 | 65 | #define ANONYMOUS_NAMESPACE_PREFIX_LEN \ |
66 | (sizeof (ANONYMOUS_NAMESPACE_PREFIX) - 1) | |
40e00cb0 | 67 | |
1b4974e7 | 68 | /* Information we keep for operators. */ |
168d63e5 | 69 | |
1b4974e7 | 70 | struct d_operator_info |
168d63e5 | 71 | { |
1b4974e7 | 72 | /* Mangled name. */ |
73 | const char *code; | |
74 | /* Real name. */ | |
75 | const char *name; | |
76 | /* Number of arguments. */ | |
77 | int args; | |
78 | }; | |
f99edf23 | 79 | |
1b4974e7 | 80 | /* How to print the value of a builtin type. */ |
f99edf23 | 81 | |
1b4974e7 | 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 | |
168d63e5 | 94 | }; |
95 | ||
1b4974e7 | 96 | /* Information we keep for a builtin type. */ |
168d63e5 | 97 | |
1b4974e7 | 98 | struct d_builtin_type_info |
168d63e5 | 99 | { |
1b4974e7 | 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 | }; | |
168d63e5 | 107 | |
1b4974e7 | 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 | |
168d63e5 | 201 | }; |
202 | ||
1b4974e7 | 203 | /* A component of the mangled name. */ |
168d63e5 | 204 | |
1b4974e7 | 205 | struct d_comp |
168d63e5 | 206 | { |
1b4974e7 | 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; | |
168d63e5 | 219 | |
1b4974e7 | 220 | /* For D_COMP_OPERATOR. */ |
221 | struct | |
222 | { | |
223 | /* Operator. */ | |
224 | const struct d_operator_info *op; | |
225 | } s_operator; | |
168d63e5 | 226 | |
1b4974e7 | 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; | |
168d63e5 | 235 | |
1b4974e7 | 236 | /* For D_COMP_CTOR. */ |
237 | struct | |
238 | { | |
239 | enum gnu_v3_ctor_kinds kind; | |
240 | struct d_comp *name; | |
241 | } s_ctor; | |
168d63e5 | 242 | |
1b4974e7 | 243 | /* For D_COMP_DTOR. */ |
244 | struct | |
245 | { | |
246 | enum gnu_v3_dtor_kinds kind; | |
247 | struct d_comp *name; | |
248 | } s_dtor; | |
168d63e5 | 249 | |
1b4974e7 | 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; | |
168d63e5 | 261 | |
1b4974e7 | 262 | /* For D_COMP_TEMPLATE_PARAM. */ |
263 | struct | |
264 | { | |
265 | long number; | |
266 | } s_number; | |
168d63e5 | 267 | |
1b4974e7 | 268 | /* For other types. */ |
269 | struct | |
270 | { | |
271 | struct d_comp *left; | |
272 | struct d_comp *right; | |
273 | } s_binary; | |
168d63e5 | 274 | |
1b4974e7 | 275 | } u; |
276 | }; | |
168d63e5 | 277 | |
1b4974e7 | 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 | }; | |
168d63e5 | 306 | |
1b4974e7 | 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) | |
168d63e5 | 312 | |
1b4974e7 | 313 | /* A list of templates. This is used while printing. */ |
168d63e5 | 314 | |
1b4974e7 | 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 | }; | |
168d63e5 | 322 | |
1b4974e7 | 323 | /* A list of type modifiers. This is used while printing. */ |
168d63e5 | 324 | |
1b4974e7 | 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 | }; | |
168d63e5 | 335 | |
1b4974e7 | 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 | }; | |
3a18c9fc | 356 | |
1b4974e7 | 357 | #define d_print_saw_error(dpi) ((dpi)->buf == NULL) |
3a18c9fc | 358 | |
1b4974e7 | 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) | |
3a18c9fc | 368 | |
1b4974e7 | 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) | |
168d63e5 | 381 | |
1b4974e7 | 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 | } \ | |
140d75d7 | 388 | while (0) |
168d63e5 | 389 | |
168d63e5 | 390 | #ifdef CP_DEMANGLE_DEBUG |
1b4974e7 | 391 | static void d_dump PARAMS ((struct d_comp *, int)); |
168d63e5 | 392 | #endif |
1b4974e7 | 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 *)); | |
55faa696 | 417 | static struct d_comp *d_encoding PARAMS ((struct d_info *, int)); |
1b4974e7 | 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 | ||
168d63e5 | 473 | #ifdef CP_DEMANGLE_DEBUG |
1b4974e7 | 474 | |
475 | static void | |
476 | d_dump (dc, indent) | |
477 | struct d_comp *dc; | |
478 | int indent; | |
168d63e5 | 479 | { |
480 | int i; | |
168d63e5 | 481 | |
1b4974e7 | 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; | |
168d63e5 | 630 | } |
631 | ||
1b4974e7 | 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; | |
168d63e5 | 730 | } |
1b4974e7 | 731 | |
732 | p = d_make_empty (di, type); | |
733 | if (p != NULL) | |
168d63e5 | 734 | { |
1b4974e7 | 735 | p->u.s_binary.left = left; |
736 | p->u.s_binary.right = right; | |
168d63e5 | 737 | } |
1b4974e7 | 738 | return p; |
739 | } | |
168d63e5 | 740 | |
1b4974e7 | 741 | /* Add a new name component. */ |
140d75d7 | 742 | |
1b4974e7 | 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; | |
140d75d7 | 750 | |
1b4974e7 | 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; | |
168d63e5 | 756 | } |
1b4974e7 | 757 | return p; |
168d63e5 | 758 | } |
759 | ||
1b4974e7 | 760 | /* Add a new builtin type component. */ |
168d63e5 | 761 | |
1b4974e7 | 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; | |
168d63e5 | 766 | { |
1b4974e7 | 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 | } | |
168d63e5 | 774 | |
1b4974e7 | 775 | /* Add a new operator component. */ |
168d63e5 | 776 | |
1b4974e7 | 777 | static struct d_comp * |
778 | d_make_operator (di, op) | |
779 | struct d_info *di; | |
780 | const struct d_operator_info *op; | |
168d63e5 | 781 | { |
1b4974e7 | 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; | |
168d63e5 | 788 | } |
789 | ||
1b4974e7 | 790 | /* Add a new extended operator component. */ |
168d63e5 | 791 | |
1b4974e7 | 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; | |
168d63e5 | 797 | { |
1b4974e7 | 798 | struct d_comp *p; |
140d75d7 | 799 | |
1b4974e7 | 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; | |
168d63e5 | 807 | } |
808 | ||
1b4974e7 | 809 | /* Add a new constructor component. */ |
168d63e5 | 810 | |
1b4974e7 | 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; | |
168d63e5 | 816 | { |
1b4974e7 | 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; | |
168d63e5 | 826 | } |
827 | ||
1b4974e7 | 828 | /* Add a new destructor component. */ |
168d63e5 | 829 | |
1b4974e7 | 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; | |
168d63e5 | 835 | { |
1b4974e7 | 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; | |
168d63e5 | 845 | } |
846 | ||
1b4974e7 | 847 | /* Add a new template parameter. */ |
f99edf23 | 848 | |
1b4974e7 | 849 | static struct d_comp * |
850 | d_make_template_param (di, i) | |
851 | struct d_info *di; | |
852 | long i; | |
f99edf23 | 853 | { |
1b4974e7 | 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; | |
f99edf23 | 860 | } |
861 | ||
1b4974e7 | 862 | /* Add a new standard substitution component. */ |
f99edf23 | 863 | |
1b4974e7 | 864 | static struct d_comp * |
865 | d_make_sub (di, name) | |
866 | struct d_info *di; | |
867 | const char *name; | |
f99edf23 | 868 | { |
1b4974e7 | 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; | |
f99edf23 | 875 | } |
876 | ||
1b4974e7 | 877 | /* <mangled-name> ::= _Z <encoding> */ |
f99edf23 | 878 | |
1b4974e7 | 879 | static struct d_comp * |
880 | d_mangled_name (di) | |
881 | struct d_info *di; | |
f99edf23 | 882 | { |
1b4974e7 | 883 | if (d_next_char (di) != '_') |
884 | return NULL; | |
885 | if (d_next_char (di) != 'Z') | |
886 | return NULL; | |
55faa696 | 887 | return d_encoding (di, 1); |
f99edf23 | 888 | } |
889 | ||
1b4974e7 | 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. */ | |
f99edf23 | 898 | |
899 | static int | |
1b4974e7 | 900 | has_return_type (dc) |
901 | struct d_comp *dc; | |
f99edf23 | 902 | { |
1b4974e7 | 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)); | |
7522af2a | 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)); | |
1b4974e7 | 916 | } |
f99edf23 | 917 | } |
918 | ||
1b4974e7 | 919 | /* Return whether a name is a constructor, a destructor, or a |
920 | conversion operator. */ | |
168d63e5 | 921 | |
922 | static int | |
1b4974e7 | 923 | is_ctor_dtor_or_conversion (dc) |
924 | struct d_comp *dc; | |
168d63e5 | 925 | { |
1b4974e7 | 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 | } | |
168d63e5 | 939 | } |
940 | ||
1b4974e7 | 941 | /* <encoding> ::= <(function) name> <bare-function-type> |
942 | ::= <(data) name> | |
55faa696 | 943 | ::= <special-name> |
944 | ||
945 | TOP_LEVEL is non-zero when called at the top level, in which case | |
946 | if DMGL_PARAMS is not set we do not demangle the function | |
947 | parameters. We only set this at the top level, because otherwise | |
948 | we would not correctly demangle names in local scopes. */ | |
168d63e5 | 949 | |
1b4974e7 | 950 | static struct d_comp * |
55faa696 | 951 | d_encoding (di, top_level) |
1b4974e7 | 952 | struct d_info *di; |
55faa696 | 953 | int top_level; |
168d63e5 | 954 | { |
1b4974e7 | 955 | char peek = d_peek_char (di); |
140d75d7 | 956 | |
1b4974e7 | 957 | if (peek == 'G' || peek == 'T') |
958 | return d_special_name (di); | |
959 | else | |
140d75d7 | 960 | { |
1b4974e7 | 961 | struct d_comp *dc; |
962 | ||
963 | dc = d_name (di); | |
964 | peek = d_peek_char (di); | |
55faa696 | 965 | if (peek == '\0' |
966 | || peek == 'E' | |
967 | || (top_level && (di->options & DMGL_PARAMS) == 0)) | |
1b4974e7 | 968 | return dc; |
969 | return d_make_comp (di, D_COMP_TYPED_NAME, dc, | |
970 | d_bare_function_type (di, has_return_type (dc))); | |
140d75d7 | 971 | } |
1b4974e7 | 972 | } |
973 | ||
974 | /* <name> ::= <nested-name> | |
975 | ::= <unscoped-name> | |
976 | ::= <unscoped-template-name> <template-args> | |
977 | ::= <local-name> | |
978 | ||
979 | <unscoped-name> ::= <unqualified-name> | |
980 | ::= St <unqualified-name> | |
168d63e5 | 981 | |
1b4974e7 | 982 | <unscoped-template-name> ::= <unscoped-name> |
983 | ::= <substitution> | |
984 | */ | |
985 | ||
986 | static struct d_comp * | |
987 | d_name (di) | |
988 | struct d_info *di; | |
989 | { | |
990 | char peek = d_peek_char (di); | |
991 | struct d_comp *dc; | |
992 | ||
993 | switch (peek) | |
168d63e5 | 994 | { |
1b4974e7 | 995 | case 'N': |
996 | return d_nested_name (di); | |
997 | ||
998 | case 'Z': | |
999 | return d_local_name (di); | |
1000 | ||
1001 | case 'S': | |
1002 | { | |
1003 | int subst; | |
1004 | ||
1005 | if (d_peek_next_char (di) != 't') | |
1006 | { | |
1007 | dc = d_substitution (di); | |
1008 | subst = 1; | |
1009 | } | |
1010 | else | |
1011 | { | |
1012 | d_advance (di, 2); | |
1013 | dc = d_make_comp (di, D_COMP_QUAL_NAME, d_make_name (di, "std", 3), | |
1014 | d_unqualified_name (di)); | |
1015 | subst = 0; | |
1016 | } | |
1017 | ||
1018 | if (d_peek_char (di) != 'I') | |
1019 | { | |
1020 | /* The grammar does not permit this case to occur if we | |
1021 | called d_substitution() above (i.e., subst == 1). We | |
1022 | don't bother to check. */ | |
1023 | } | |
1024 | else | |
1025 | { | |
1026 | /* This is <template-args>, which means that we just saw | |
1027 | <unscoped-template-name>, which is a substitution | |
1028 | candidate if we didn't just get it from a | |
1029 | substitution. */ | |
1030 | if (! subst) | |
1031 | { | |
1032 | if (! d_add_substitution (di, dc)) | |
1033 | return NULL; | |
1034 | } | |
1035 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
1036 | } | |
1037 | ||
1038 | return dc; | |
1039 | } | |
1040 | ||
1041 | default: | |
1042 | dc = d_unqualified_name (di); | |
1043 | if (d_peek_char (di) == 'I') | |
140d75d7 | 1044 | { |
1b4974e7 | 1045 | /* This is <template-args>, which means that we just saw |
1046 | <unscoped-template-name>, which is a substitution | |
1047 | candidate. */ | |
1048 | if (! d_add_substitution (di, dc)) | |
1049 | return NULL; | |
1050 | dc = d_make_comp (di, D_COMP_TEMPLATE, dc, d_template_args (di)); | |
140d75d7 | 1051 | } |
1b4974e7 | 1052 | return dc; |
168d63e5 | 1053 | } |
1b4974e7 | 1054 | } |
168d63e5 | 1055 | |
1b4974e7 | 1056 | /* <nested-name> ::= N [<CV-qualifiers>] <prefix> <unqualified-name> E |
1057 | ::= N [<CV-qualifiers>] <template-prefix> <template-args> E | |
1058 | */ | |
168d63e5 | 1059 | |
1b4974e7 | 1060 | static struct d_comp * |
1061 | d_nested_name (di) | |
1062 | struct d_info *di; | |
1063 | { | |
1064 | struct d_comp *ret; | |
1065 | struct d_comp **pret; | |
140d75d7 | 1066 | |
1b4974e7 | 1067 | if (d_next_char (di) != 'N') |
1068 | return NULL; | |
168d63e5 | 1069 | |
1b4974e7 | 1070 | pret = d_cv_qualifiers (di, &ret); |
1071 | if (pret == NULL) | |
1072 | return NULL; | |
1073 | ||
1074 | *pret = d_prefix (di); | |
1075 | if (*pret == NULL) | |
1076 | return NULL; | |
168d63e5 | 1077 | |
1b4974e7 | 1078 | if (d_next_char (di) != 'E') |
168d63e5 | 1079 | return NULL; |
1080 | ||
1b4974e7 | 1081 | return ret; |
168d63e5 | 1082 | } |
1083 | ||
1b4974e7 | 1084 | /* <prefix> ::= <prefix> <unqualified-name> |
1085 | ::= <template-prefix> <template-args> | |
1086 | ::= <template-param> | |
1087 | ::= | |
1088 | ::= <substitution> | |
168d63e5 | 1089 | |
1b4974e7 | 1090 | <template-prefix> ::= <prefix> <(template) unqualified-name> |
1091 | ::= <template-param> | |
1092 | ::= <substitution> | |
1093 | */ | |
1094 | ||
1095 | static struct d_comp * | |
1096 | d_prefix (di) | |
1097 | struct d_info *di; | |
168d63e5 | 1098 | { |
1b4974e7 | 1099 | struct d_comp *ret = NULL; |
168d63e5 | 1100 | |
1b4974e7 | 1101 | while (1) |
168d63e5 | 1102 | { |
1b4974e7 | 1103 | char peek; |
1104 | enum d_comp_type comb_type; | |
1105 | struct d_comp *dc; | |
1106 | ||
1107 | peek = d_peek_char (di); | |
1108 | if (peek == '\0') | |
1109 | return NULL; | |
1110 | ||
1111 | /* The older code accepts a <local-name> here, but I don't see | |
1112 | that in the grammar. The older code does not accept a | |
1113 | <template-param> here. */ | |
168d63e5 | 1114 | |
1b4974e7 | 1115 | comb_type = D_COMP_QUAL_NAME; |
1116 | if (IS_DIGIT (peek) | |
1117 | || (peek >= 'a' && peek <= 'z') | |
1118 | || peek == 'C' | |
1119 | || peek == 'D') | |
1120 | dc = d_unqualified_name (di); | |
1121 | else if (peek == 'S') | |
1122 | dc = d_substitution (di); | |
1123 | else if (peek == 'I') | |
1124 | { | |
1125 | if (ret == NULL) | |
1126 | return NULL; | |
1127 | comb_type = D_COMP_TEMPLATE; | |
1128 | dc = d_template_args (di); | |
1129 | } | |
1130 | else if (peek == 'T') | |
1131 | dc = d_template_param (di); | |
1132 | else if (peek == 'E') | |
1133 | return ret; | |
1134 | else | |
1135 | return NULL; | |
1136 | ||
1137 | if (ret == NULL) | |
1138 | ret = dc; | |
168d63e5 | 1139 | else |
1b4974e7 | 1140 | ret = d_make_comp (di, comb_type, ret, dc); |
1141 | ||
1142 | if (peek != 'S' && d_peek_char (di) != 'E') | |
1143 | { | |
1144 | if (! d_add_substitution (di, ret)) | |
1145 | return NULL; | |
1146 | } | |
168d63e5 | 1147 | } |
1148 | } | |
1149 | ||
1b4974e7 | 1150 | /* <unqualified-name> ::= <operator-name> |
1151 | ::= <ctor-dtor-name> | |
1152 | ::= <source-name> | |
1153 | */ | |
168d63e5 | 1154 | |
1b4974e7 | 1155 | static struct d_comp * |
1156 | d_unqualified_name (di) | |
1157 | struct d_info *di; | |
168d63e5 | 1158 | { |
1b4974e7 | 1159 | char peek; |
1160 | ||
1161 | peek = d_peek_char (di); | |
1162 | if (IS_DIGIT (peek)) | |
1163 | return d_source_name (di); | |
1164 | else if (peek >= 'a' && peek <= 'z') | |
1165 | return d_operator_name (di); | |
1166 | else if (peek == 'C' || peek == 'D') | |
1167 | return d_ctor_dtor_name (di); | |
1168 | else | |
140d75d7 | 1169 | return NULL; |
168d63e5 | 1170 | } |
1171 | ||
1b4974e7 | 1172 | /* <source-name> ::= <(positive length) number> <identifier> */ |
168d63e5 | 1173 | |
1b4974e7 | 1174 | static struct d_comp * |
1175 | d_source_name (di) | |
1176 | struct d_info *di; | |
168d63e5 | 1177 | { |
1b4974e7 | 1178 | long len; |
1179 | struct d_comp *ret; | |
1180 | ||
1181 | len = d_number (di); | |
1182 | if (len <= 0) | |
1183 | return NULL; | |
1184 | ret = d_identifier (di, len); | |
1185 | di->last_name = ret; | |
1186 | return ret; | |
168d63e5 | 1187 | } |
1188 | ||
1b4974e7 | 1189 | /* number ::= [n] <(non-negative decimal integer)> */ |
168d63e5 | 1190 | |
1b4974e7 | 1191 | static long |
1192 | d_number (di) | |
1193 | struct d_info *di; | |
168d63e5 | 1194 | { |
1b4974e7 | 1195 | int sign; |
1196 | char peek; | |
1197 | long ret; | |
168d63e5 | 1198 | |
1b4974e7 | 1199 | sign = 1; |
1200 | peek = d_peek_char (di); | |
1201 | if (peek == 'n') | |
1202 | { | |
1203 | sign = -1; | |
1204 | d_advance (di, 1); | |
1205 | peek = d_peek_char (di); | |
1206 | } | |
168d63e5 | 1207 | |
1b4974e7 | 1208 | ret = 0; |
1209 | while (1) | |
168d63e5 | 1210 | { |
1b4974e7 | 1211 | if (! IS_DIGIT (peek)) |
1212 | return ret * sign; | |
1213 | ret = ret * 10 + peek - '0'; | |
1214 | d_advance (di, 1); | |
1215 | peek = d_peek_char (di); | |
168d63e5 | 1216 | } |
168d63e5 | 1217 | } |
1218 | ||
1b4974e7 | 1219 | /* identifier ::= <(unqualified source code identifier)> */ |
168d63e5 | 1220 | |
1b4974e7 | 1221 | static struct d_comp * |
1222 | d_identifier (di, len) | |
1223 | struct d_info *di; | |
1224 | int len; | |
168d63e5 | 1225 | { |
1b4974e7 | 1226 | const char *name; |
168d63e5 | 1227 | |
1b4974e7 | 1228 | name = d_str (di); |
1229 | d_advance (di, len); | |
168d63e5 | 1230 | |
1b4974e7 | 1231 | /* Look for something which looks like a gcc encoding of an |
1232 | anonymous namespace, and replace it with a more user friendly | |
1233 | name. */ | |
1234 | if (len >= (int) ANONYMOUS_NAMESPACE_PREFIX_LEN + 2 | |
1235 | && memcmp (name, ANONYMOUS_NAMESPACE_PREFIX, | |
1236 | ANONYMOUS_NAMESPACE_PREFIX_LEN) == 0) | |
168d63e5 | 1237 | { |
1b4974e7 | 1238 | const char *s; |
1239 | ||
1240 | s = name + ANONYMOUS_NAMESPACE_PREFIX_LEN; | |
1241 | if ((*s == '.' || *s == '_' || *s == '$') | |
1242 | && s[1] == 'N') | |
1243 | return d_make_name (di, "(anonymous namespace)", | |
1244 | sizeof "(anonymous namespace)" - 1); | |
168d63e5 | 1245 | } |
1b4974e7 | 1246 | |
1247 | return d_make_name (di, name, len); | |
168d63e5 | 1248 | } |
1249 | ||
1b4974e7 | 1250 | /* operator_name ::= many different two character encodings. |
1251 | ::= cv <type> | |
1252 | ::= v <digit> <source-name> | |
1253 | */ | |
168d63e5 | 1254 | |
1b4974e7 | 1255 | static const struct d_operator_info d_operators[] = |
1256 | { | |
1257 | { "aN", "&=", 2 }, | |
1258 | { "aS", "=", 2 }, | |
1259 | { "aa", "&&", 2 }, | |
1260 | { "ad", "&", 1 }, | |
1261 | { "an", "&", 2 }, | |
1262 | { "cl", "()", 0 }, | |
1263 | { "cm", ",", 2 }, | |
1264 | { "co", "~", 1 }, | |
1265 | { "dV", "/=", 2 }, | |
1266 | { "da", "delete[]", 1 }, | |
1267 | { "de", "*", 1 }, | |
1268 | { "dl", "delete", 1 }, | |
1269 | { "dv", "/", 2 }, | |
1270 | { "eO", "^=", 2 }, | |
1271 | { "eo", "^", 2 }, | |
1272 | { "eq", "==", 2 }, | |
1273 | { "ge", ">=", 2 }, | |
1274 | { "gt", ">", 2 }, | |
1275 | { "ix", "[]", 2 }, | |
1276 | { "lS", "<<=", 2 }, | |
1277 | { "le", "<=", 2 }, | |
1278 | { "ls", "<<", 2 }, | |
1279 | { "lt", "<", 2 }, | |
1280 | { "mI", "-=", 2 }, | |
1281 | { "mL", "*=", 2 }, | |
1282 | { "mi", "-", 2 }, | |
1283 | { "ml", "*", 2 }, | |
1284 | { "mm", "--", 1 }, | |
1285 | { "na", "new[]", 1 }, | |
1286 | { "ne", "!=", 2 }, | |
1287 | { "ng", "-", 1 }, | |
1288 | { "nt", "!", 1 }, | |
1289 | { "nw", "new", 1 }, | |
1290 | { "oR", "|=", 2 }, | |
1291 | { "oo", "||", 2 }, | |
1292 | { "or", "|", 2 }, | |
1293 | { "pL", "+=", 2 }, | |
1294 | { "pl", "+", 2 }, | |
1295 | { "pm", "->*", 2 }, | |
1296 | { "pp", "++", 1 }, | |
1297 | { "ps", "+", 1 }, | |
1298 | { "pt", "->", 2 }, | |
1299 | { "qu", "?", 3 }, | |
1300 | { "rM", "%=", 2 }, | |
1301 | { "rS", ">>=", 2 }, | |
1302 | { "rm", "%", 2 }, | |
1303 | { "rs", ">>", 2 }, | |
1304 | { "st", "sizeof ", 1 }, | |
1305 | { "sz", "sizeof ", 1 } | |
1306 | }; | |
168d63e5 | 1307 | |
1b4974e7 | 1308 | static struct d_comp * |
1309 | d_operator_name (di) | |
1310 | struct d_info *di; | |
168d63e5 | 1311 | { |
1b4974e7 | 1312 | char c1; |
1313 | char c2; | |
168d63e5 | 1314 | |
1b4974e7 | 1315 | c1 = d_next_char (di); |
1316 | c2 = d_next_char (di); | |
1317 | if (c1 == 'v' && IS_DIGIT (c2)) | |
1318 | return d_make_extended_operator (di, c2 - '0', d_source_name (di)); | |
1319 | else if (c1 == 'c' && c2 == 'v') | |
1320 | return d_make_comp (di, D_COMP_CAST, d_type (di), NULL); | |
1321 | else | |
168d63e5 | 1322 | { |
1b4974e7 | 1323 | int low = 0; |
1324 | int high = sizeof (d_operators) / sizeof (d_operators[0]); | |
168d63e5 | 1325 | |
1b4974e7 | 1326 | while (1) |
1327 | { | |
1328 | int i; | |
1329 | const struct d_operator_info *p; | |
168d63e5 | 1330 | |
1b4974e7 | 1331 | i = low + (high - low) / 2; |
1332 | p = d_operators + i; | |
168d63e5 | 1333 | |
1b4974e7 | 1334 | if (c1 == p->code[0] && c2 == p->code[1]) |
1335 | return d_make_operator (di, p); | |
1336 | ||
1337 | if (c1 < p->code[0] || (c1 == p->code[0] && c2 < p->code[1])) | |
1338 | high = i; | |
1339 | else | |
1340 | low = i + 1; | |
1341 | if (low == high) | |
1342 | return NULL; | |
1343 | } | |
1344 | } | |
168d63e5 | 1345 | } |
1346 | ||
1b4974e7 | 1347 | /* <special-name> ::= TV <type> |
1348 | ::= TT <type> | |
1349 | ::= TI <type> | |
1350 | ::= TS <type> | |
1351 | ::= GV <(object) name> | |
1352 | ::= T <call-offset> <(base) encoding> | |
1353 | ::= Tc <call-offset> <call-offset> <(base) encoding> | |
1354 | Also g++ extensions: | |
1355 | ::= TC <type> <(offset) number> _ <(base) type> | |
1356 | ::= TF <type> | |
1357 | ::= TJ <type> | |
1358 | ::= GR <name> | |
1359 | */ | |
168d63e5 | 1360 | |
1b4974e7 | 1361 | static struct d_comp * |
1362 | d_special_name (di) | |
1363 | struct d_info *di; | |
168d63e5 | 1364 | { |
1b4974e7 | 1365 | char c; |
168d63e5 | 1366 | |
1b4974e7 | 1367 | c = d_next_char (di); |
1368 | if (c == 'T') | |
140d75d7 | 1369 | { |
1b4974e7 | 1370 | switch (d_next_char (di)) |
1371 | { | |
1372 | case 'V': | |
1373 | return d_make_comp (di, D_COMP_VTABLE, d_type (di), NULL); | |
1374 | case 'T': | |
1375 | return d_make_comp (di, D_COMP_VTT, d_type (di), NULL); | |
1376 | case 'I': | |
1377 | return d_make_comp (di, D_COMP_TYPEINFO, d_type (di), NULL); | |
1378 | case 'S': | |
1379 | return d_make_comp (di, D_COMP_TYPEINFO_NAME, d_type (di), NULL); | |
168d63e5 | 1380 | |
1b4974e7 | 1381 | case 'h': |
1382 | if (! d_call_offset (di, 'h')) | |
1383 | return NULL; | |
55faa696 | 1384 | return d_make_comp (di, D_COMP_THUNK, d_encoding (di, 0), NULL); |
168d63e5 | 1385 | |
1b4974e7 | 1386 | case 'v': |
1387 | if (! d_call_offset (di, 'v')) | |
1388 | return NULL; | |
55faa696 | 1389 | return d_make_comp (di, D_COMP_VIRTUAL_THUNK, d_encoding (di, 0), |
1b4974e7 | 1390 | NULL); |
168d63e5 | 1391 | |
1b4974e7 | 1392 | case 'c': |
1393 | if (! d_call_offset (di, '\0')) | |
1394 | return NULL; | |
1395 | if (! d_call_offset (di, '\0')) | |
1396 | return NULL; | |
55faa696 | 1397 | return d_make_comp (di, D_COMP_COVARIANT_THUNK, d_encoding (di, 0), |
1b4974e7 | 1398 | NULL); |
168d63e5 | 1399 | |
1b4974e7 | 1400 | case 'C': |
1401 | { | |
1402 | struct d_comp *derived_type; | |
1403 | long offset; | |
1404 | struct d_comp *base_type; | |
1405 | ||
1406 | derived_type = d_type (di); | |
1407 | offset = d_number (di); | |
1408 | if (offset < 0) | |
1409 | return NULL; | |
1410 | if (d_next_char (di) != '_') | |
1411 | return NULL; | |
1412 | base_type = d_type (di); | |
1413 | /* We don't display the offset. FIXME: We should display | |
1414 | it in verbose mode. */ | |
1415 | return d_make_comp (di, D_COMP_CONSTRUCTION_VTABLE, base_type, | |
1416 | derived_type); | |
1417 | } | |
168d63e5 | 1418 | |
1b4974e7 | 1419 | case 'F': |
1420 | return d_make_comp (di, D_COMP_TYPEINFO_FN, d_type (di), NULL); | |
1421 | case 'J': | |
1422 | return d_make_comp (di, D_COMP_JAVA_CLASS, d_type (di), NULL); | |
168d63e5 | 1423 | |
1b4974e7 | 1424 | default: |
1425 | return NULL; | |
1426 | } | |
168d63e5 | 1427 | } |
1b4974e7 | 1428 | else if (c == 'G') |
168d63e5 | 1429 | { |
1b4974e7 | 1430 | switch (d_next_char (di)) |
1431 | { | |
1432 | case 'V': | |
1433 | return d_make_comp (di, D_COMP_GUARD, d_name (di), NULL); | |
1434 | ||
1435 | case 'R': | |
1436 | return d_make_comp (di, D_COMP_REFTEMP, d_name (di), NULL); | |
1437 | ||
1438 | default: | |
1439 | return NULL; | |
1440 | } | |
168d63e5 | 1441 | } |
1b4974e7 | 1442 | else |
1443 | return NULL; | |
168d63e5 | 1444 | } |
1445 | ||
1b4974e7 | 1446 | /* <call-offset> ::= h <nv-offset> _ |
1447 | ::= v <v-offset> _ | |
168d63e5 | 1448 | |
1b4974e7 | 1449 | <nv-offset> ::= <(offset) number> |
168d63e5 | 1450 | |
1b4974e7 | 1451 | <v-offset> ::= <(offset) number> _ <(virtual offset) number> |
168d63e5 | 1452 | |
1b4974e7 | 1453 | The C parameter, if not '\0', is a character we just read which is |
1454 | the start of the <call-offset>. | |
168d63e5 | 1455 | |
1b4974e7 | 1456 | We don't display the offset information anywhere. FIXME: We should |
1457 | display it in verbose mode. */ | |
168d63e5 | 1458 | |
1b4974e7 | 1459 | static int |
1460 | d_call_offset (di, c) | |
1461 | struct d_info *di; | |
1462 | int c; | |
168d63e5 | 1463 | { |
1b4974e7 | 1464 | long offset; |
1465 | long virtual_offset; | |
168d63e5 | 1466 | |
1b4974e7 | 1467 | if (c == '\0') |
1468 | c = d_next_char (di); | |
168d63e5 | 1469 | |
1b4974e7 | 1470 | if (c == 'h') |
1471 | offset = d_number (di); | |
1472 | else if (c == 'v') | |
168d63e5 | 1473 | { |
1b4974e7 | 1474 | offset = d_number (di); |
1475 | if (d_next_char (di) != '_') | |
1476 | return 0; | |
1477 | virtual_offset = d_number (di); | |
168d63e5 | 1478 | } |
1b4974e7 | 1479 | else |
1480 | return 0; | |
168d63e5 | 1481 | |
1b4974e7 | 1482 | if (d_next_char (di) != '_') |
1483 | return 0; | |
168d63e5 | 1484 | |
1b4974e7 | 1485 | return 1; |
168d63e5 | 1486 | } |
1487 | ||
1b4974e7 | 1488 | /* <ctor-dtor-name> ::= C1 |
1489 | ::= C2 | |
1490 | ::= C3 | |
1491 | ::= D0 | |
1492 | ::= D1 | |
1493 | ::= D2 | |
1494 | */ | |
1495 | ||
1496 | static struct d_comp * | |
1497 | d_ctor_dtor_name (di) | |
1498 | struct d_info *di; | |
1499 | { | |
1500 | switch (d_next_char (di)) | |
1501 | { | |
1502 | case 'C': | |
1503 | { | |
1504 | enum gnu_v3_ctor_kinds kind; | |
1505 | ||
1506 | switch (d_next_char (di)) | |
1507 | { | |
1508 | case '1': | |
1509 | kind = gnu_v3_complete_object_ctor; | |
1510 | break; | |
1511 | case '2': | |
1512 | kind = gnu_v3_base_object_ctor; | |
1513 | break; | |
1514 | case '3': | |
1515 | kind = gnu_v3_complete_object_allocating_ctor; | |
1516 | break; | |
1517 | default: | |
1518 | return NULL; | |
1519 | } | |
1520 | return d_make_ctor (di, kind, di->last_name); | |
1521 | } | |
1522 | ||
1523 | case 'D': | |
1524 | { | |
1525 | enum gnu_v3_dtor_kinds kind; | |
1526 | ||
1527 | switch (d_next_char (di)) | |
1528 | { | |
1529 | case '0': | |
1530 | kind = gnu_v3_deleting_dtor; | |
1531 | break; | |
1532 | case '1': | |
1533 | kind = gnu_v3_complete_object_dtor; | |
1534 | break; | |
1535 | case '2': | |
1536 | kind = gnu_v3_base_object_dtor; | |
1537 | break; | |
1538 | default: | |
1539 | return NULL; | |
1540 | } | |
1541 | return d_make_dtor (di, kind, di->last_name); | |
1542 | } | |
168d63e5 | 1543 | |
1b4974e7 | 1544 | default: |
1545 | return NULL; | |
1546 | } | |
1547 | } | |
168d63e5 | 1548 | |
1b4974e7 | 1549 | /* <type> ::= <builtin-type> |
1550 | ::= <function-type> | |
1551 | ::= <class-enum-type> | |
1552 | ::= <array-type> | |
1553 | ::= <pointer-to-member-type> | |
1554 | ::= <template-param> | |
1555 | ::= <template-template-param> <template-args> | |
1556 | ::= <substitution> | |
1557 | ::= <CV-qualifiers> <type> | |
1558 | ::= P <type> | |
1559 | ::= R <type> | |
1560 | ::= C <type> | |
1561 | ::= G <type> | |
1562 | ::= U <source-name> <type> | |
1563 | ||
1564 | <builtin-type> ::= various one letter codes | |
1565 | ::= u <source-name> | |
1566 | */ | |
168d63e5 | 1567 | |
1b4974e7 | 1568 | static const struct d_builtin_type_info d_builtin_types[26] = |
1569 | { | |
1570 | /* a */ { "signed char", "signed char", D_PRINT_INT }, | |
1571 | /* b */ { "bool", "boolean", D_PRINT_BOOL }, | |
1572 | /* c */ { "char", "byte", D_PRINT_INT }, | |
1573 | /* d */ { "double", "double", D_PRINT_DEFAULT }, | |
1574 | /* e */ { "long double", "long double", D_PRINT_DEFAULT }, | |
1575 | /* f */ { "float", "float", D_PRINT_DEFAULT }, | |
1576 | /* g */ { "__float128", "__float128", D_PRINT_DEFAULT }, | |
1577 | /* h */ { "unsigned char", "unsigned char", D_PRINT_INT }, | |
1578 | /* i */ { "int", "int", D_PRINT_INT }, | |
1579 | /* j */ { "unsigned int", "unsigned", D_PRINT_INT }, | |
1580 | /* k */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1581 | /* l */ { "long", "long", D_PRINT_LONG }, | |
1582 | /* m */ { "unsigned long", "unsigned long", D_PRINT_LONG }, | |
1583 | /* n */ { "__int128", "__int128", D_PRINT_DEFAULT }, | |
1584 | /* o */ { "unsigned __int128", "unsigned __int128", D_PRINT_DEFAULT }, | |
1585 | /* p */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1586 | /* q */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1587 | /* r */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1588 | /* s */ { "short", "short", D_PRINT_INT }, | |
1589 | /* t */ { "unsigned short", "unsigned short", D_PRINT_INT }, | |
1590 | /* u */ { NULL, NULL, D_PRINT_DEFAULT }, | |
1591 | /* v */ { "void", "void", D_PRINT_VOID }, | |
1592 | /* w */ { "wchar_t", "char", D_PRINT_INT }, | |
1593 | /* x */ { "long long", "long", D_PRINT_DEFAULT }, | |
1594 | /* y */ { "unsigned long long", "unsigned long long", D_PRINT_DEFAULT }, | |
1595 | /* z */ { "...", "...", D_PRINT_DEFAULT }, | |
1596 | }; | |
168d63e5 | 1597 | |
1b4974e7 | 1598 | static struct d_comp * |
1599 | d_type (di) | |
1600 | struct d_info *di; | |
168d63e5 | 1601 | { |
1b4974e7 | 1602 | char peek; |
1603 | struct d_comp *ret; | |
1604 | int can_subst; | |
1605 | ||
1606 | /* The ABI specifies that when CV-qualifiers are used, the base type | |
1607 | is substitutable, and the fully qualified type is substitutable, | |
1608 | but the base type with a strict subset of the CV-qualifiers is | |
1609 | not substitutable. The natural recursive implementation of the | |
1610 | CV-qualifiers would cause subsets to be substitutable, so instead | |
1611 | we pull them all off now. | |
1612 | ||
1613 | FIXME: The ABI specifies that vendor qualifiers are handled just | |
1614 | like the standard CV-qualifiers with respect to subsetting and | |
1615 | substitution, but g++ does not appear to work this way. */ | |
1616 | ||
1617 | peek = d_peek_char (di); | |
1618 | if (peek == 'r' || peek == 'V' || peek == 'K') | |
1619 | { | |
1620 | struct d_comp **pret; | |
168d63e5 | 1621 | |
1b4974e7 | 1622 | pret = d_cv_qualifiers (di, &ret); |
1623 | *pret = d_type (di); | |
1624 | if (! d_add_substitution (di, ret)) | |
1625 | return NULL; | |
1626 | return ret; | |
1627 | } | |
cf70278e | 1628 | |
1b4974e7 | 1629 | can_subst = 1; |
168d63e5 | 1630 | |
f8aeab41 | 1631 | switch (peek) |
168d63e5 | 1632 | { |
1b4974e7 | 1633 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': |
1634 | case 'h': case 'i': case 'j': case 'l': case 'm': case 'n': | |
1635 | case 'o': case 's': case 't': | |
1636 | case 'v': case 'w': case 'x': case 'y': case 'z': | |
1b4974e7 | 1637 | ret = d_make_builtin_type (di, &d_builtin_types[peek - 'a']); |
1638 | can_subst = 0; | |
1639 | d_advance (di, 1); | |
1640 | break; | |
1641 | ||
1642 | case 'u': | |
1643 | d_advance (di, 1); | |
1644 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE, d_source_name (di), NULL); | |
1645 | break; | |
1646 | ||
1647 | case 'F': | |
1648 | ret = d_function_type (di); | |
168d63e5 | 1649 | break; |
1650 | ||
1b4974e7 | 1651 | case '0': case '1': case '2': case '3': case '4': |
1652 | case '5': case '6': case '7': case '8': case '9': | |
1653 | case 'N': | |
168d63e5 | 1654 | case 'Z': |
1b4974e7 | 1655 | ret = d_class_enum_type (di); |
168d63e5 | 1656 | break; |
1657 | ||
1b4974e7 | 1658 | case 'A': |
1659 | ret = d_array_type (di); | |
1660 | break; | |
1661 | ||
1662 | case 'M': | |
1663 | ret = d_pointer_to_member_type (di); | |
1664 | break; | |
1665 | ||
1666 | case 'T': | |
1667 | ret = d_template_param (di); | |
1668 | if (d_peek_char (di) == 'I') | |
b7f68aff | 1669 | { |
1b4974e7 | 1670 | /* This is <template-template-param> <template-args>. The |
1671 | <template-template-param> part is a substitution | |
1672 | candidate. */ | |
1673 | if (! d_add_substitution (di, ret)) | |
1674 | return NULL; | |
1675 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, d_template_args (di)); | |
b7f68aff | 1676 | } |
1b4974e7 | 1677 | break; |
1678 | ||
1679 | case 'S': | |
1680 | /* If this is a special substitution, then it is the start of | |
1681 | <class-enum-type>. */ | |
1682 | { | |
1683 | char peek_next; | |
62c2feed | 1684 | |
1b4974e7 | 1685 | peek_next = d_peek_next_char (di); |
1686 | if (IS_DIGIT (peek_next) | |
1687 | || peek_next == '_' | |
1688 | || (peek_next >= 'A' && peek_next <= 'Z')) | |
1689 | { | |
1690 | ret = d_substitution (di); | |
1691 | /* The substituted name may have been a template name and | |
1692 | may be followed by tepmlate args. */ | |
1693 | if (d_peek_char (di) == 'I') | |
1694 | ret = d_make_comp (di, D_COMP_TEMPLATE, ret, | |
1695 | d_template_args (di)); | |
1696 | else | |
1697 | can_subst = 0; | |
1698 | } | |
1699 | else | |
1700 | { | |
1701 | ret = d_class_enum_type (di); | |
1702 | /* If the substitution was a complete type, then it is not | |
1703 | a new substitution candidate. However, if the | |
1704 | substitution was followed by template arguments, then | |
1705 | the whole thing is a substitution candidate. */ | |
1706 | if (ret->type == D_COMP_SUB_STD) | |
1707 | can_subst = 0; | |
1708 | } | |
1709 | } | |
168d63e5 | 1710 | break; |
1711 | ||
1b4974e7 | 1712 | case 'P': |
1713 | d_advance (di, 1); | |
1714 | ret = d_make_comp (di, D_COMP_POINTER, d_type (di), NULL); | |
1715 | break; | |
168d63e5 | 1716 | |
1b4974e7 | 1717 | case 'R': |
1718 | d_advance (di, 1); | |
1719 | ret = d_make_comp (di, D_COMP_REFERENCE, d_type (di), NULL); | |
1720 | break; | |
168d63e5 | 1721 | |
1b4974e7 | 1722 | case 'C': |
1723 | d_advance (di, 1); | |
1724 | ret = d_make_comp (di, D_COMP_COMPLEX, d_type (di), NULL); | |
1725 | break; | |
1726 | ||
1727 | case 'G': | |
1728 | d_advance (di, 1); | |
1729 | ret = d_make_comp (di, D_COMP_IMAGINARY, d_type (di), NULL); | |
1730 | break; | |
168d63e5 | 1731 | |
1b4974e7 | 1732 | case 'U': |
1733 | d_advance (di, 1); | |
1734 | ret = d_source_name (di); | |
1735 | ret = d_make_comp (di, D_COMP_VENDOR_TYPE_QUAL, d_type (di), ret); | |
168d63e5 | 1736 | break; |
1b4974e7 | 1737 | |
1738 | default: | |
1739 | return NULL; | |
168d63e5 | 1740 | } |
1741 | ||
1b4974e7 | 1742 | if (can_subst) |
1743 | { | |
1744 | if (! d_add_substitution (di, ret)) | |
1745 | return NULL; | |
1746 | } | |
168d63e5 | 1747 | |
1b4974e7 | 1748 | return ret; |
1749 | } | |
168d63e5 | 1750 | |
1b4974e7 | 1751 | /* <CV-qualifiers> ::= [r] [V] [K] */ |
168d63e5 | 1752 | |
1b4974e7 | 1753 | static struct d_comp ** |
1754 | d_cv_qualifiers (di, pret) | |
1755 | struct d_info *di; | |
1756 | struct d_comp **pret; | |
168d63e5 | 1757 | { |
1758 | char peek; | |
1759 | ||
1b4974e7 | 1760 | peek = d_peek_char (di); |
1761 | while (peek == 'r' || peek == 'V' || peek == 'K') | |
168d63e5 | 1762 | { |
1b4974e7 | 1763 | enum d_comp_type t; |
f99edf23 | 1764 | |
1b4974e7 | 1765 | d_advance (di, 1); |
1766 | if (peek == 'r') | |
1767 | t = D_COMP_RESTRICT; | |
1768 | else if (peek == 'V') | |
1769 | t = D_COMP_VOLATILE; | |
1770 | else | |
1771 | t = D_COMP_CONST; | |
168d63e5 | 1772 | |
1b4974e7 | 1773 | *pret = d_make_comp (di, t, NULL, NULL); |
1774 | if (*pret == NULL) | |
1775 | return NULL; | |
1776 | pret = &d_left (*pret); | |
168d63e5 | 1777 | |
1b4974e7 | 1778 | peek = d_peek_char (di); |
1779 | } | |
168d63e5 | 1780 | |
1b4974e7 | 1781 | return pret; |
1782 | } | |
168d63e5 | 1783 | |
1b4974e7 | 1784 | /* <function-type> ::= F [Y] <bare-function-type> E */ |
168d63e5 | 1785 | |
1b4974e7 | 1786 | static struct d_comp * |
1787 | d_function_type (di) | |
1788 | struct d_info *di; | |
168d63e5 | 1789 | { |
1b4974e7 | 1790 | struct d_comp *ret; |
168d63e5 | 1791 | |
1b4974e7 | 1792 | if (d_next_char (di) != 'F') |
1793 | return NULL; | |
1794 | if (d_peek_char (di) == 'Y') | |
1795 | { | |
1796 | /* Function has C linkage. We don't print this information. | |
1797 | FIXME: We should print it in verbose mode. */ | |
1798 | d_advance (di, 1); | |
1799 | } | |
1800 | ret = d_bare_function_type (di, 1); | |
1801 | if (d_next_char (di) != 'E') | |
1802 | return NULL; | |
1803 | return ret; | |
1804 | } | |
c1b316c0 | 1805 | |
1b4974e7 | 1806 | /* <bare-function-type> ::= <type>+ */ |
168d63e5 | 1807 | |
1b4974e7 | 1808 | static struct d_comp * |
1809 | d_bare_function_type (di, has_return_type) | |
1810 | struct d_info *di; | |
1811 | int has_return_type; | |
1812 | { | |
1813 | struct d_comp *return_type; | |
1814 | struct d_comp *tl; | |
1815 | struct d_comp **ptl; | |
168d63e5 | 1816 | |
1b4974e7 | 1817 | return_type = NULL; |
1818 | tl = NULL; | |
1819 | ptl = &tl; | |
168d63e5 | 1820 | while (1) |
1821 | { | |
1822 | char peek; | |
1b4974e7 | 1823 | struct d_comp *type; |
168d63e5 | 1824 | |
1b4974e7 | 1825 | peek = d_peek_char (di); |
1826 | if (peek == '\0' || peek == 'E') | |
1827 | break; | |
1828 | type = d_type (di); | |
1829 | if (type == NULL) | |
1830 | return NULL; | |
1831 | if (has_return_type) | |
168d63e5 | 1832 | { |
1b4974e7 | 1833 | return_type = type; |
1834 | has_return_type = 0; | |
168d63e5 | 1835 | } |
1b4974e7 | 1836 | else |
168d63e5 | 1837 | { |
1b4974e7 | 1838 | *ptl = d_make_comp (di, D_COMP_ARGLIST, type, NULL); |
1839 | ptl = &d_right (*ptl); | |
168d63e5 | 1840 | } |
168d63e5 | 1841 | } |
168d63e5 | 1842 | |
1b4974e7 | 1843 | /* There should be at least one parameter type besides the optional |
1844 | return type. A function which takes no arguments will have a | |
1845 | single parameter type void. */ | |
1846 | if (tl == NULL) | |
1847 | return NULL; | |
168d63e5 | 1848 | |
1b4974e7 | 1849 | /* If we have a single parameter type void, omit it. */ |
1850 | if (d_right (tl) == NULL | |
1851 | && d_left (tl)->type == D_COMP_BUILTIN_TYPE | |
1852 | && d_left (tl)->u.s_builtin.type->print == D_PRINT_VOID) | |
1853 | tl = NULL; | |
168d63e5 | 1854 | |
1b4974e7 | 1855 | return d_make_comp (di, D_COMP_FUNCTION_TYPE, return_type, tl); |
1856 | } | |
168d63e5 | 1857 | |
1b4974e7 | 1858 | /* <class-enum-type> ::= <name> */ |
168d63e5 | 1859 | |
1b4974e7 | 1860 | static struct d_comp * |
1861 | d_class_enum_type (di) | |
1862 | struct d_info *di; | |
1863 | { | |
1864 | return d_name (di); | |
1865 | } | |
cf70278e | 1866 | |
1b4974e7 | 1867 | /* <array-type> ::= A <(positive dimension) number> _ <(element) type> |
1868 | ::= A [<(dimension) expression>] _ <(element) type> | |
1869 | */ | |
cf70278e | 1870 | |
1b4974e7 | 1871 | static struct d_comp * |
1872 | d_array_type (di) | |
1873 | struct d_info *di; | |
1874 | { | |
1875 | char peek; | |
1876 | struct d_comp *dim; | |
cf70278e | 1877 | |
1b4974e7 | 1878 | if (d_next_char (di) != 'A') |
1879 | return NULL; | |
1880 | ||
1881 | peek = d_peek_char (di); | |
1882 | if (peek == '_') | |
1883 | dim = NULL; | |
1884 | else if (IS_DIGIT (peek)) | |
cf70278e | 1885 | { |
1b4974e7 | 1886 | const char *s; |
cf70278e | 1887 | |
1b4974e7 | 1888 | s = d_str (di); |
1889 | do | |
1890 | { | |
1891 | d_advance (di, 1); | |
1892 | peek = d_peek_char (di); | |
1893 | } | |
1894 | while (IS_DIGIT (peek)); | |
1895 | dim = d_make_name (di, s, d_str (di) - s); | |
cf70278e | 1896 | } |
168d63e5 | 1897 | else |
1b4974e7 | 1898 | { |
1899 | dim = d_expression (di); | |
1900 | if (dim == NULL) | |
1901 | return NULL; | |
1902 | } | |
168d63e5 | 1903 | |
1b4974e7 | 1904 | if (d_next_char (di) != '_') |
1905 | return NULL; | |
168d63e5 | 1906 | |
1b4974e7 | 1907 | return d_make_comp (di, D_COMP_ARRAY_TYPE, dim, d_type (di)); |
1908 | } | |
168d63e5 | 1909 | |
1b4974e7 | 1910 | /* <pointer-to-member-type> ::= M <(class) type> <(member) type> */ |
168d63e5 | 1911 | |
1b4974e7 | 1912 | static struct d_comp * |
1913 | d_pointer_to_member_type (di) | |
1914 | struct d_info *di; | |
168d63e5 | 1915 | { |
1b4974e7 | 1916 | struct d_comp *cl; |
1917 | struct d_comp *mem; | |
1918 | struct d_comp **pmem; | |
168d63e5 | 1919 | |
1b4974e7 | 1920 | if (d_next_char (di) != 'M') |
1921 | return NULL; | |
168d63e5 | 1922 | |
1b4974e7 | 1923 | cl = d_type (di); |
168d63e5 | 1924 | |
1b4974e7 | 1925 | /* The ABI specifies that any type can be a substitution source, and |
1926 | that M is followed by two types, and that when a CV-qualified | |
1927 | type is seen both the base type and the CV-qualified types are | |
1928 | substitution sources. The ABI also specifies that for a pointer | |
1929 | to a CV-qualified member function, the qualifiers are attached to | |
1930 | the second type. Given the grammar, a plain reading of the ABI | |
1931 | suggests that both the CV-qualified member function and the | |
1932 | non-qualified member function are substitution sources. However, | |
1933 | g++ does not work that way. g++ treats only the CV-qualified | |
1934 | member function as a substitution source. FIXME. So to work | |
1935 | with g++, we need to pull off the CV-qualifiers here, in order to | |
1936 | avoid calling add_substitution() in d_type(). */ | |
168d63e5 | 1937 | |
1b4974e7 | 1938 | pmem = d_cv_qualifiers (di, &mem); |
1939 | *pmem = d_type (di); | |
168d63e5 | 1940 | |
1b4974e7 | 1941 | return d_make_comp (di, D_COMP_PTRMEM_TYPE, cl, mem); |
168d63e5 | 1942 | } |
1943 | ||
1b4974e7 | 1944 | /* <template-param> ::= T_ |
1945 | ::= T <(parameter-2 non-negative) number> _ | |
1946 | */ | |
168d63e5 | 1947 | |
1b4974e7 | 1948 | static struct d_comp * |
1949 | d_template_param (di) | |
1950 | struct d_info *di; | |
168d63e5 | 1951 | { |
1b4974e7 | 1952 | long param; |
168d63e5 | 1953 | |
1b4974e7 | 1954 | if (d_next_char (di) != 'T') |
1955 | return NULL; | |
168d63e5 | 1956 | |
1b4974e7 | 1957 | if (d_peek_char (di) == '_') |
1958 | param = 0; | |
1959 | else | |
1960 | { | |
1961 | param = d_number (di); | |
1962 | if (param < 0) | |
1963 | return NULL; | |
1964 | param += 1; | |
1965 | } | |
140d75d7 | 1966 | |
1b4974e7 | 1967 | if (d_next_char (di) != '_') |
1968 | return NULL; | |
168d63e5 | 1969 | |
1b4974e7 | 1970 | return d_make_template_param (di, param); |
168d63e5 | 1971 | } |
1972 | ||
1b4974e7 | 1973 | /* <template-args> ::= I <template-arg>+ E */ |
1974 | ||
1975 | static struct d_comp * | |
1976 | d_template_args (di) | |
1977 | struct d_info *di; | |
168d63e5 | 1978 | { |
1b4974e7 | 1979 | struct d_comp *hold_last_name; |
1980 | struct d_comp *al; | |
1981 | struct d_comp **pal; | |
168d63e5 | 1982 | |
1b4974e7 | 1983 | /* Preserve the last name we saw--don't let the template arguments |
1984 | clobber it, as that would give us the wrong name for a subsequent | |
1985 | constructor or destructor. */ | |
1986 | hold_last_name = di->last_name; | |
168d63e5 | 1987 | |
1b4974e7 | 1988 | if (d_next_char (di) != 'I') |
1989 | return NULL; | |
168d63e5 | 1990 | |
1b4974e7 | 1991 | al = NULL; |
1992 | pal = &al; | |
168d63e5 | 1993 | while (1) |
1994 | { | |
1b4974e7 | 1995 | struct d_comp *a; |
1996 | ||
1997 | a = d_template_arg (di); | |
1998 | if (a == NULL) | |
1999 | return NULL; | |
2000 | ||
2001 | *pal = d_make_comp (di, D_COMP_TEMPLATE_ARGLIST, a, NULL); | |
2002 | pal = &d_right (*pal); | |
2003 | ||
2004 | if (d_peek_char (di) == 'E') | |
140d75d7 | 2005 | { |
1b4974e7 | 2006 | d_advance (di, 1); |
2007 | break; | |
140d75d7 | 2008 | } |
168d63e5 | 2009 | } |
2010 | ||
1b4974e7 | 2011 | di->last_name = hold_last_name; |
2012 | ||
2013 | return al; | |
168d63e5 | 2014 | } |
2015 | ||
1b4974e7 | 2016 | /* <template-arg> ::= <type> |
2017 | ::= X <expression> E | |
2018 | ::= <expr-primary> | |
2019 | */ | |
168d63e5 | 2020 | |
1b4974e7 | 2021 | static struct d_comp * |
2022 | d_template_arg (di) | |
2023 | struct d_info *di; | |
168d63e5 | 2024 | { |
1b4974e7 | 2025 | struct d_comp *ret; |
140d75d7 | 2026 | |
1b4974e7 | 2027 | switch (d_peek_char (di)) |
168d63e5 | 2028 | { |
1b4974e7 | 2029 | case 'X': |
2030 | d_advance (di, 1); | |
2031 | ret = d_expression (di); | |
2032 | if (d_next_char (di) != 'E') | |
2033 | return NULL; | |
2034 | return ret; | |
abcf0552 | 2035 | |
1b4974e7 | 2036 | case 'L': |
2037 | return d_expr_primary (di); | |
168d63e5 | 2038 | |
1b4974e7 | 2039 | default: |
2040 | return d_type (di); | |
40e00cb0 | 2041 | } |
168d63e5 | 2042 | } |
2043 | ||
1b4974e7 | 2044 | /* <expression> ::= <(unary) operator-name> <expression> |
2045 | ::= <(binary) operator-name> <expression> <expression> | |
2046 | ::= <(trinary) operator-name> <expression> <expression> <expression> | |
2047 | ::= st <type> | |
2048 | ::= <template-param> | |
2049 | ::= sr <type> <unqualified-name> | |
2050 | ::= sr <type> <unqualified-name> <template-args> | |
2051 | ::= <expr-primary> | |
2052 | */ | |
2053 | ||
2054 | static struct d_comp * | |
2055 | d_expression (di) | |
2056 | struct d_info *di; | |
168d63e5 | 2057 | { |
1b4974e7 | 2058 | char peek; |
168d63e5 | 2059 | |
1b4974e7 | 2060 | peek = d_peek_char (di); |
2061 | if (peek == 'L') | |
2062 | return d_expr_primary (di); | |
2063 | else if (peek == 'T') | |
2064 | return d_template_param (di); | |
2065 | else if (peek == 's' && d_peek_next_char (di) == 'r') | |
168d63e5 | 2066 | { |
1b4974e7 | 2067 | struct d_comp *type; |
2068 | struct d_comp *name; | |
168d63e5 | 2069 | |
1b4974e7 | 2070 | d_advance (di, 2); |
2071 | type = d_type (di); | |
2072 | name = d_unqualified_name (di); | |
2073 | if (d_peek_char (di) != 'I') | |
2074 | return d_make_comp (di, D_COMP_QUAL_NAME, type, name); | |
2075 | else | |
2076 | return d_make_comp (di, D_COMP_QUAL_NAME, type, | |
2077 | d_make_comp (di, D_COMP_TEMPLATE, name, | |
2078 | d_template_args (di))); | |
74c75ba5 | 2079 | } |
1b4974e7 | 2080 | else |
168d63e5 | 2081 | { |
1b4974e7 | 2082 | struct d_comp *op; |
2083 | int args; | |
168d63e5 | 2084 | |
1b4974e7 | 2085 | op = d_operator_name (di); |
2086 | if (op == NULL) | |
2087 | return NULL; | |
168d63e5 | 2088 | |
1b4974e7 | 2089 | if (op->type == D_COMP_OPERATOR |
2090 | && strcmp (op->u.s_operator.op->code, "st") == 0) | |
2091 | return d_make_comp (di, D_COMP_UNARY, op, d_type (di)); | |
168d63e5 | 2092 | |
1b4974e7 | 2093 | switch (op->type) |
2094 | { | |
2095 | default: | |
2096 | return NULL; | |
2097 | case D_COMP_OPERATOR: | |
2098 | args = op->u.s_operator.op->args; | |
2099 | break; | |
2100 | case D_COMP_EXTENDED_OPERATOR: | |
2101 | args = op->u.s_extended_operator.args; | |
2102 | break; | |
2103 | case D_COMP_CAST: | |
2104 | args = 1; | |
2105 | break; | |
2106 | } | |
2107 | ||
2108 | switch (args) | |
2109 | { | |
2110 | case 1: | |
2111 | return d_make_comp (di, D_COMP_UNARY, op, d_expression (di)); | |
2112 | case 2: | |
2113 | { | |
2114 | struct d_comp *left; | |
2115 | ||
2116 | left = d_expression (di); | |
2117 | return d_make_comp (di, D_COMP_BINARY, op, | |
2118 | d_make_comp (di, D_COMP_BINARY_ARGS, left, | |
2119 | d_expression (di))); | |
2120 | } | |
2121 | case 3: | |
2122 | { | |
2123 | struct d_comp *first; | |
2124 | struct d_comp *second; | |
2125 | ||
2126 | first = d_expression (di); | |
2127 | second = d_expression (di); | |
2128 | return d_make_comp (di, D_COMP_TRINARY, op, | |
2129 | d_make_comp (di, D_COMP_TRINARY_ARG1, first, | |
2130 | d_make_comp (di, | |
2131 | D_COMP_TRINARY_ARG2, | |
2132 | second, | |
2133 | d_expression (di)))); | |
2134 | } | |
2135 | default: | |
2136 | return NULL; | |
2137 | } | |
168d63e5 | 2138 | } |
2139 | } | |
2140 | ||
1b4974e7 | 2141 | /* <expr-primary> ::= L <type> <(value) number> E |
2142 | ::= L <type> <(value) float> E | |
2143 | ::= L <mangled-name> E | |
2144 | */ | |
2b6805b4 | 2145 | |
1b4974e7 | 2146 | static struct d_comp * |
2147 | d_expr_primary (di) | |
2148 | struct d_info *di; | |
2b6805b4 | 2149 | { |
1b4974e7 | 2150 | struct d_comp *ret; |
2b6805b4 | 2151 | |
1b4974e7 | 2152 | if (d_next_char (di) != 'L') |
2153 | return NULL; | |
2154 | if (d_peek_char (di) == '_') | |
2155 | ret = d_mangled_name (di); | |
2156 | else | |
2b6805b4 | 2157 | { |
1b4974e7 | 2158 | struct d_comp *type; |
2159 | const char *s; | |
2160 | ||
2161 | type = d_type (di); | |
2162 | ||
2163 | /* Rather than try to interpret the literal value, we just | |
2164 | collect it as a string. Note that it's possible to have a | |
2165 | floating point literal here. The ABI specifies that the | |
2166 | format of such literals is machine independent. That's fine, | |
2167 | but what's not fine is that versions of g++ up to 3.2 with | |
2168 | -fabi-version=1 used upper case letters in the hex constant, | |
2169 | and dumped out gcc's internal representation. That makes it | |
2170 | hard to tell where the constant ends, and hard to dump the | |
2171 | constant in any readable form anyhow. We don't attempt to | |
2172 | handle these cases. */ | |
2173 | ||
2174 | s = d_str (di); | |
2175 | while (d_peek_char (di) != 'E') | |
2176 | d_advance (di, 1); | |
2177 | ret = d_make_comp (di, D_COMP_LITERAL, type, | |
2178 | d_make_name (di, s, d_str (di) - s)); | |
2179 | } | |
2180 | if (d_next_char (di) != 'E') | |
2181 | return NULL; | |
2182 | return ret; | |
2b6805b4 | 2183 | } |
2184 | ||
1b4974e7 | 2185 | /* <local-name> ::= Z <(function) encoding> E <(entity) name> [<discriminator>] |
2186 | ::= Z <(function) encoding> E s [<discriminator>] | |
2187 | */ | |
2b6805b4 | 2188 | |
1b4974e7 | 2189 | static struct d_comp * |
2190 | d_local_name (di) | |
2191 | struct d_info *di; | |
2b6805b4 | 2192 | { |
1b4974e7 | 2193 | struct d_comp *function; |
2b6805b4 | 2194 | |
1b4974e7 | 2195 | if (d_next_char (di) != 'Z') |
2196 | return NULL; | |
2b6805b4 | 2197 | |
55faa696 | 2198 | function = d_encoding (di, 0); |
2b6805b4 | 2199 | |
1b4974e7 | 2200 | if (d_next_char (di) != 'E') |
2201 | return NULL; | |
2b6805b4 | 2202 | |
1b4974e7 | 2203 | if (d_peek_char (di) == 's') |
2b6805b4 | 2204 | { |
1b4974e7 | 2205 | d_advance (di, 1); |
2206 | if (! d_discriminator (di)) | |
2207 | return NULL; | |
2208 | return d_make_comp (di, D_COMP_QUAL_NAME, function, | |
2209 | d_make_name (di, "string literal", | |
2210 | sizeof "string literal" - 1)); | |
2b6805b4 | 2211 | } |
1b4974e7 | 2212 | else |
2b6805b4 | 2213 | { |
1b4974e7 | 2214 | struct d_comp *name; |
2b6805b4 | 2215 | |
1b4974e7 | 2216 | name = d_name (di); |
2217 | if (! d_discriminator (di)) | |
2218 | return NULL; | |
2219 | return d_make_comp (di, D_COMP_QUAL_NAME, function, name); | |
2b6805b4 | 2220 | } |
2b6805b4 | 2221 | } |
2222 | ||
1b4974e7 | 2223 | /* <discriminator> ::= _ <(non-negative) number> |
168d63e5 | 2224 | |
1b4974e7 | 2225 | We demangle the discriminator, but we don't print it out. FIXME: |
2226 | We should print it out in verbose mode. */ | |
2b6805b4 | 2227 | |
1b4974e7 | 2228 | static int |
2229 | d_discriminator (di) | |
2230 | struct d_info *di; | |
2231 | { | |
2232 | long discrim; | |
2b6805b4 | 2233 | |
1b4974e7 | 2234 | if (d_peek_char (di) != '_') |
2235 | return 1; | |
2236 | d_advance (di, 1); | |
2237 | discrim = d_number (di); | |
2238 | if (discrim < 0) | |
2239 | return 0; | |
2240 | return 1; | |
2241 | } | |
168d63e5 | 2242 | |
1b4974e7 | 2243 | /* Add a new substitution. */ |
168d63e5 | 2244 | |
1b4974e7 | 2245 | static int |
2246 | d_add_substitution (di, dc) | |
2247 | struct d_info *di; | |
2248 | struct d_comp *dc; | |
168d63e5 | 2249 | { |
1b4974e7 | 2250 | if (di->next_sub >= di->num_subs) |
2251 | return 0; | |
2252 | di->subs[di->next_sub] = dc; | |
2253 | ++di->next_sub; | |
2254 | return 1; | |
2255 | } | |
2256 | ||
2257 | /* <substitution> ::= S <seq-id> _ | |
2258 | ::= S_ | |
2259 | ::= St | |
2260 | ::= Sa | |
2261 | ::= Sb | |
2262 | ::= Ss | |
2263 | ::= Si | |
2264 | ::= So | |
2265 | ::= Sd | |
2266 | */ | |
168d63e5 | 2267 | |
1b4974e7 | 2268 | static struct d_comp * |
2269 | d_substitution (di) | |
2270 | struct d_info *di; | |
2271 | { | |
2272 | char c; | |
168d63e5 | 2273 | |
1b4974e7 | 2274 | if (d_next_char (di) != 'S') |
2275 | return NULL; | |
6539a5d8 | 2276 | |
1b4974e7 | 2277 | c = d_next_char (di); |
2278 | if (c == '_' || IS_DIGIT (c) || (c >= 'A' && c <= 'Z')) | |
168d63e5 | 2279 | { |
1b4974e7 | 2280 | int id; |
168d63e5 | 2281 | |
1b4974e7 | 2282 | id = 0; |
2283 | if (c != '_') | |
168d63e5 | 2284 | { |
1b4974e7 | 2285 | do |
168d63e5 | 2286 | { |
1b4974e7 | 2287 | if (IS_DIGIT (c)) |
2288 | id = id * 36 + c - '0'; | |
2289 | else if (c >= 'A' && c <= 'Z') | |
2290 | id = id * 36 + c - 'A' + 10; | |
2291 | else | |
2292 | return NULL; | |
2293 | c = d_next_char (di); | |
168d63e5 | 2294 | } |
1b4974e7 | 2295 | while (c != '_'); |
168d63e5 | 2296 | |
1b4974e7 | 2297 | ++id; |
168d63e5 | 2298 | } |
168d63e5 | 2299 | |
1b4974e7 | 2300 | if (id >= di->next_sub) |
2301 | return NULL; | |
168d63e5 | 2302 | |
1b4974e7 | 2303 | return di->subs[id]; |
168d63e5 | 2304 | } |
1b4974e7 | 2305 | else |
168d63e5 | 2306 | { |
1b4974e7 | 2307 | switch (c) |
3a18c9fc | 2308 | { |
1b4974e7 | 2309 | case 't': |
2310 | return d_make_sub (di, "std"); | |
2311 | case 'a': | |
2312 | di->last_name = d_make_sub (di, "allocator"); | |
2313 | return d_make_sub (di, "std::allocator"); | |
2314 | case 'b': | |
2315 | di->last_name = d_make_sub (di, "basic_string"); | |
2316 | return d_make_sub (di, "std::basic_string"); | |
2317 | case 's': | |
2318 | di->last_name = d_make_sub (di, "string"); | |
2319 | return d_make_sub (di, "std::string"); | |
2320 | case 'i': | |
2321 | di->last_name = d_make_sub (di, "istream"); | |
2322 | return d_make_sub (di, "std::istream"); | |
2323 | case 'o': | |
2324 | di->last_name = d_make_sub (di, "ostream"); | |
2325 | return d_make_sub (di, "std::ostream"); | |
2326 | case 'd': | |
2327 | di->last_name = d_make_sub (di, "iostream"); | |
2328 | return d_make_sub (di, "std::iostream"); | |
2329 | default: | |
2330 | return NULL; | |
168d63e5 | 2331 | } |
2332 | } | |
168d63e5 | 2333 | } |
2334 | ||
1b4974e7 | 2335 | /* Resize the print buffer. */ |
168d63e5 | 2336 | |
1b4974e7 | 2337 | static void |
2338 | d_print_resize (dpi, add) | |
2339 | struct d_print_info *dpi; | |
2340 | size_t add; | |
2341 | { | |
2342 | size_t need; | |
168d63e5 | 2343 | |
1b4974e7 | 2344 | need = dpi->len + add; |
2345 | while (need > dpi->alc) | |
168d63e5 | 2346 | { |
1b4974e7 | 2347 | size_t newalc; |
2348 | char *newbuf; | |
f99edf23 | 2349 | |
1b4974e7 | 2350 | newalc = dpi->alc * 2; |
2351 | newbuf = realloc (dpi->buf, newalc); | |
2352 | if (newbuf == NULL) | |
6b45c28d | 2353 | { |
1b4974e7 | 2354 | free (dpi->buf); |
2355 | dpi->buf = NULL; | |
2356 | dpi->allocation_failure = 1; | |
2357 | return; | |
168d63e5 | 2358 | } |
1b4974e7 | 2359 | dpi->buf = newbuf; |
2360 | dpi->alc = newalc; | |
40e00cb0 | 2361 | } |
1b4974e7 | 2362 | } |
6b45c28d | 2363 | |
1b4974e7 | 2364 | /* Append a character to the print buffer. */ |
6b45c28d | 2365 | |
1b4974e7 | 2366 | static void |
2367 | d_print_append_char (dpi, c) | |
2368 | struct d_print_info *dpi; | |
2369 | int c; | |
2370 | { | |
2371 | if (dpi->buf != NULL) | |
2372 | { | |
2373 | if (dpi->len >= dpi->alc) | |
2374 | { | |
2375 | d_print_resize (dpi, 1); | |
2376 | if (dpi->buf == NULL) | |
2377 | return; | |
2378 | } | |
6b45c28d | 2379 | |
1b4974e7 | 2380 | dpi->buf[dpi->len] = c; |
2381 | ++dpi->len; | |
40e00cb0 | 2382 | } |
168d63e5 | 2383 | } |
2384 | ||
1b4974e7 | 2385 | /* Append a buffer to the print buffer. */ |
2386 | ||
2387 | static void | |
2388 | d_print_append_buffer (dpi, s, l) | |
2389 | struct d_print_info *dpi; | |
2390 | const char *s; | |
2391 | size_t l; | |
168d63e5 | 2392 | { |
1b4974e7 | 2393 | if (dpi->buf != NULL) |
168d63e5 | 2394 | { |
1b4974e7 | 2395 | if (dpi->len + l > dpi->alc) |
168d63e5 | 2396 | { |
1b4974e7 | 2397 | d_print_resize (dpi, l); |
2398 | if (dpi->buf == NULL) | |
2399 | return; | |
168d63e5 | 2400 | } |
168d63e5 | 2401 | |
1b4974e7 | 2402 | memcpy (dpi->buf + dpi->len, s, l); |
2403 | dpi->len += l; | |
2404 | } | |
168d63e5 | 2405 | } |
2406 | ||
1b4974e7 | 2407 | /* Indicate that an error occurred during printing. */ |
168d63e5 | 2408 | |
1b4974e7 | 2409 | static void |
2410 | d_print_error (dpi) | |
2411 | struct d_print_info *dpi; | |
1c1033dd | 2412 | { |
1b4974e7 | 2413 | free (dpi->buf); |
2414 | dpi->buf = NULL; | |
2415 | } | |
1c1033dd | 2416 | |
1b4974e7 | 2417 | /* Turn components into a human readable string. Returns a string |
2418 | allocated by malloc, or NULL on error. On success, this sets *PALC | |
2419 | to the size of the allocated buffer. On failure, this sets *PALC | |
2420 | to 0 for a bad parse, or to 1 for a memory allocation failure. */ | |
168d63e5 | 2421 | |
1b4974e7 | 2422 | static char * |
2423 | d_print (options, dc, palc) | |
2424 | int options; | |
2425 | const struct d_comp *dc; | |
2426 | size_t *palc; | |
2427 | { | |
2428 | struct d_print_info dpi; | |
168d63e5 | 2429 | |
1b4974e7 | 2430 | dpi.options = options; |
168d63e5 | 2431 | |
1b4974e7 | 2432 | dpi.alc = 64; |
2433 | dpi.buf = malloc (dpi.alc); | |
2434 | if (dpi.buf == NULL) | |
168d63e5 | 2435 | { |
1b4974e7 | 2436 | *palc = 1; |
2437 | return NULL; | |
168d63e5 | 2438 | } |
168d63e5 | 2439 | |
1b4974e7 | 2440 | dpi.len = 0; |
2441 | dpi.templates = NULL; | |
2442 | dpi.modifiers = NULL; | |
168d63e5 | 2443 | |
1b4974e7 | 2444 | dpi.allocation_failure = 0; |
168d63e5 | 2445 | |
1b4974e7 | 2446 | d_print_comp (&dpi, dc); |
168d63e5 | 2447 | |
1b4974e7 | 2448 | d_append_char (&dpi, '\0'); |
168d63e5 | 2449 | |
1b4974e7 | 2450 | if (dpi.buf != NULL) |
2451 | *palc = dpi.alc; | |
2452 | else | |
2453 | *palc = dpi.allocation_failure; | |
168d63e5 | 2454 | |
1b4974e7 | 2455 | return dpi.buf; |
168d63e5 | 2456 | } |
2457 | ||
1b4974e7 | 2458 | /* Subroutine to handle components. */ |
168d63e5 | 2459 | |
1b4974e7 | 2460 | static void |
2461 | d_print_comp (dpi, dc) | |
2462 | struct d_print_info *dpi; | |
2463 | const struct d_comp *dc; | |
168d63e5 | 2464 | { |
1b4974e7 | 2465 | if (dc == NULL) |
168d63e5 | 2466 | { |
1b4974e7 | 2467 | d_print_error (dpi); |
2468 | return; | |
168d63e5 | 2469 | } |
1b4974e7 | 2470 | if (d_print_saw_error (dpi)) |
2471 | return; | |
168d63e5 | 2472 | |
1b4974e7 | 2473 | switch (dc->type) |
168d63e5 | 2474 | { |
1b4974e7 | 2475 | case D_COMP_NAME: |
2476 | d_print_identifier (dpi, dc->u.s_name.s, dc->u.s_name.len); | |
2477 | return; | |
168d63e5 | 2478 | |
1b4974e7 | 2479 | case D_COMP_QUAL_NAME: |
2480 | d_print_comp (dpi, d_left (dc)); | |
2481 | d_append_string (dpi, (dpi->options & DMGL_JAVA) == 0 ? "::" : "."); | |
2482 | d_print_comp (dpi, d_right (dc)); | |
2483 | return; | |
168d63e5 | 2484 | |
1b4974e7 | 2485 | case D_COMP_TYPED_NAME: |
2486 | { | |
2487 | const struct d_comp *typed_name; | |
2488 | struct d_print_mod dpm; | |
2489 | struct d_print_template dpt; | |
2490 | ||
2491 | /* Pass the name down to the type so that it can be printed in | |
2492 | the right place for the type. If the name has | |
2493 | CV-qualifiers, they are really method qualifiers; pull them | |
2494 | off now and print them after everything else. Note that we | |
2495 | don't handle D_COMP_VENDOR_TYPE_QUAL here; it's not | |
2496 | accepted by d_cv_qualifiers() either. */ | |
2497 | typed_name = d_left (dc); | |
2498 | while (typed_name != NULL | |
2499 | && (typed_name->type == D_COMP_RESTRICT | |
2500 | || typed_name->type == D_COMP_VOLATILE | |
2501 | || typed_name->type == D_COMP_CONST)) | |
2502 | typed_name = d_left (typed_name); | |
2503 | ||
2504 | dpm.next = dpi->modifiers; | |
2505 | dpi->modifiers = &dpm; | |
2506 | dpm.mod = typed_name; | |
2507 | dpm.printed = 0; | |
2508 | ||
2509 | /* If typed_name is a template, then it applies to the | |
2510 | function type as well. */ | |
2511 | if (typed_name->type == D_COMP_TEMPLATE) | |
2512 | { | |
2513 | dpt.next = dpi->templates; | |
2514 | dpi->templates = &dpt; | |
2515 | dpt.template = typed_name; | |
2516 | } | |
168d63e5 | 2517 | |
1b4974e7 | 2518 | d_print_comp (dpi, d_right (dc)); |
cf70278e | 2519 | |
1b4974e7 | 2520 | if (typed_name->type == D_COMP_TEMPLATE) |
2521 | dpi->templates = dpt.next; | |
168d63e5 | 2522 | |
1b4974e7 | 2523 | /* If the modifier didn't get printed by the type, print it |
2524 | now. */ | |
2525 | if (! dpm.printed) | |
2526 | { | |
2527 | d_append_char (dpi, ' '); | |
2528 | d_print_comp (dpi, typed_name); | |
2529 | } | |
168d63e5 | 2530 | |
1b4974e7 | 2531 | dpi->modifiers = dpm.next; |
168d63e5 | 2532 | |
1b4974e7 | 2533 | /* Now print any CV-qualifiers on the type. */ |
2534 | typed_name = d_left (dc); | |
2535 | while (typed_name != NULL | |
2536 | && (typed_name->type == D_COMP_RESTRICT | |
2537 | || typed_name->type == D_COMP_VOLATILE | |
2538 | || typed_name->type == D_COMP_CONST)) | |
2539 | { | |
2540 | d_print_mod (dpi, typed_name); | |
2541 | typed_name = d_left (typed_name); | |
2542 | } | |
168d63e5 | 2543 | |
1b4974e7 | 2544 | return; |
2545 | } | |
168d63e5 | 2546 | |
1b4974e7 | 2547 | case D_COMP_TEMPLATE: |
2548 | d_print_comp (dpi, d_left (dc)); | |
2549 | d_append_char (dpi, '<'); | |
2550 | d_print_comp (dpi, d_right (dc)); | |
2551 | /* Avoid generating two consecutive '>' characters, to avoid the | |
2552 | C++ syntactic ambiguity. */ | |
2553 | if (dpi->buf[dpi->len - 1] == '>') | |
2554 | d_append_char (dpi, ' '); | |
2555 | d_append_char (dpi, '>'); | |
2556 | return; | |
2557 | ||
2558 | case D_COMP_TEMPLATE_PARAM: | |
2559 | { | |
2560 | long i; | |
2561 | struct d_comp *a; | |
2562 | struct d_print_template *hold_dpt; | |
168d63e5 | 2563 | |
1b4974e7 | 2564 | if (dpi->templates == NULL) |
2565 | { | |
2566 | d_print_error (dpi); | |
2567 | return; | |
2568 | } | |
2569 | i = dc->u.s_number.number; | |
2570 | for (a = d_right (dpi->templates->template); | |
2571 | a != NULL; | |
2572 | a = d_right (a)) | |
2573 | { | |
2574 | if (a->type != D_COMP_TEMPLATE_ARGLIST) | |
2575 | { | |
2576 | d_print_error (dpi); | |
2577 | return; | |
2578 | } | |
2579 | if (i <= 0) | |
2580 | break; | |
2581 | --i; | |
2582 | } | |
2583 | if (i != 0 || a == NULL) | |
2584 | { | |
2585 | d_print_error (dpi); | |
2586 | return; | |
2587 | } | |
f99edf23 | 2588 | |
1b4974e7 | 2589 | /* While processing this parameter, we need to pop the list of |
2590 | templates. This is because the template parameter may | |
2591 | itself be a reference to a parameter of an outer | |
2592 | template. */ | |
f99edf23 | 2593 | |
1b4974e7 | 2594 | hold_dpt = dpi->templates; |
2595 | dpi->templates = hold_dpt->next; | |
168d63e5 | 2596 | |
1b4974e7 | 2597 | d_print_comp (dpi, d_left (a)); |
140d75d7 | 2598 | |
1b4974e7 | 2599 | dpi->templates = hold_dpt; |
f99edf23 | 2600 | |
1b4974e7 | 2601 | return; |
2602 | } | |
168d63e5 | 2603 | |
1b4974e7 | 2604 | case D_COMP_CTOR: |
2605 | d_print_comp (dpi, dc->u.s_ctor.name); | |
2606 | return; | |
2607 | ||
2608 | case D_COMP_DTOR: | |
2609 | d_append_char (dpi, '~'); | |
2610 | d_print_comp (dpi, dc->u.s_dtor.name); | |
2611 | return; | |
2612 | ||
2613 | case D_COMP_VTABLE: | |
2614 | d_append_string (dpi, "vtable for "); | |
2615 | d_print_comp (dpi, d_left (dc)); | |
2616 | return; | |
2617 | ||
2618 | case D_COMP_VTT: | |
2619 | d_append_string (dpi, "VTT for "); | |
2620 | d_print_comp (dpi, d_left (dc)); | |
2621 | return; | |
2622 | ||
2623 | case D_COMP_CONSTRUCTION_VTABLE: | |
2624 | d_append_string (dpi, "construction vtable for "); | |
2625 | d_print_comp (dpi, d_left (dc)); | |
2626 | d_append_string (dpi, "-in-"); | |
2627 | d_print_comp (dpi, d_right (dc)); | |
2628 | return; | |
2629 | ||
2630 | case D_COMP_TYPEINFO: | |
2631 | d_append_string (dpi, "typeinfo for "); | |
2632 | d_print_comp (dpi, d_left (dc)); | |
2633 | return; | |
2634 | ||
2635 | case D_COMP_TYPEINFO_NAME: | |
2636 | d_append_string (dpi, "typeinfo name for "); | |
2637 | d_print_comp (dpi, d_left (dc)); | |
2638 | return; | |
2639 | ||
2640 | case D_COMP_TYPEINFO_FN: | |
2641 | d_append_string (dpi, "typeinfo fn for "); | |
2642 | d_print_comp (dpi, d_left (dc)); | |
2643 | return; | |
2644 | ||
2645 | case D_COMP_THUNK: | |
2646 | d_append_string (dpi, "non-virtual thunk to "); | |
2647 | d_print_comp (dpi, d_left (dc)); | |
2648 | return; | |
2649 | ||
2650 | case D_COMP_VIRTUAL_THUNK: | |
2651 | d_append_string (dpi, "virtual thunk to "); | |
2652 | d_print_comp (dpi, d_left (dc)); | |
2653 | return; | |
2654 | ||
2655 | case D_COMP_COVARIANT_THUNK: | |
2656 | d_append_string (dpi, "covariant return thunk to "); | |
2657 | d_print_comp (dpi, d_left (dc)); | |
2658 | return; | |
2659 | ||
2660 | case D_COMP_JAVA_CLASS: | |
2661 | d_append_string (dpi, "java Class for "); | |
2662 | d_print_comp (dpi, d_left (dc)); | |
2663 | return; | |
2664 | ||
2665 | case D_COMP_GUARD: | |
2666 | d_append_string (dpi, "guard variable for "); | |
2667 | d_print_comp (dpi, d_left (dc)); | |
2668 | return; | |
2669 | ||
2670 | case D_COMP_REFTEMP: | |
2671 | d_append_string (dpi, "reference temporary for "); | |
2672 | d_print_comp (dpi, d_left (dc)); | |
2673 | return; | |
2674 | ||
2675 | case D_COMP_SUB_STD: | |
2676 | d_append_string (dpi, dc->u.s_string.string); | |
2677 | return; | |
2678 | ||
2679 | case D_COMP_RESTRICT: | |
2680 | case D_COMP_VOLATILE: | |
2681 | case D_COMP_CONST: | |
2682 | case D_COMP_VENDOR_TYPE_QUAL: | |
2683 | case D_COMP_POINTER: | |
2684 | case D_COMP_REFERENCE: | |
2685 | case D_COMP_COMPLEX: | |
2686 | case D_COMP_IMAGINARY: | |
2687 | { | |
2688 | /* We keep a list of modifiers on the stack. */ | |
2689 | struct d_print_mod dpm; | |
168d63e5 | 2690 | |
1b4974e7 | 2691 | dpm.next = dpi->modifiers; |
2692 | dpi->modifiers = &dpm; | |
2693 | dpm.mod = dc; | |
2694 | dpm.printed = 0; | |
168d63e5 | 2695 | |
1b4974e7 | 2696 | d_print_comp (dpi, d_left (dc)); |
f99edf23 | 2697 | |
1b4974e7 | 2698 | /* If the modifier didn't get printed by the type, print it |
2699 | now. */ | |
2700 | if (! dpm.printed) | |
2701 | d_print_mod (dpi, dc); | |
168d63e5 | 2702 | |
1b4974e7 | 2703 | dpi->modifiers = dpm.next; |
168d63e5 | 2704 | |
1b4974e7 | 2705 | return; |
2706 | } | |
168d63e5 | 2707 | |
1b4974e7 | 2708 | case D_COMP_BUILTIN_TYPE: |
2709 | if ((dpi->options & DMGL_JAVA) == 0) | |
2710 | d_append_string (dpi, dc->u.s_builtin.type->name); | |
2711 | else | |
2712 | d_append_string (dpi, dc->u.s_builtin.type->java_name); | |
2713 | return; | |
168d63e5 | 2714 | |
1b4974e7 | 2715 | case D_COMP_VENDOR_TYPE: |
2716 | d_print_comp (dpi, d_left (dc)); | |
2717 | return; | |
168d63e5 | 2718 | |
1b4974e7 | 2719 | case D_COMP_FUNCTION_TYPE: |
2720 | { | |
2721 | if (d_left (dc) != NULL) | |
2722 | { | |
2723 | struct d_print_mod dpm; | |
168d63e5 | 2724 | |
1b4974e7 | 2725 | /* We must pass this type down as a modifier in order to |
2726 | print it in the right location. */ | |
168d63e5 | 2727 | |
1b4974e7 | 2728 | dpm.next = dpi->modifiers; |
2729 | dpi->modifiers = &dpm; | |
2730 | dpm.mod = dc; | |
2731 | dpm.printed = 0; | |
168d63e5 | 2732 | |
1b4974e7 | 2733 | d_print_comp (dpi, d_left (dc)); |
168d63e5 | 2734 | |
1b4974e7 | 2735 | dpi->modifiers = dpm.next; |
168d63e5 | 2736 | |
1b4974e7 | 2737 | if (dpm.printed) |
2738 | return; | |
168d63e5 | 2739 | |
1b4974e7 | 2740 | d_append_char (dpi, ' '); |
2741 | } | |
168d63e5 | 2742 | |
1b4974e7 | 2743 | d_print_function_type (dpi, dc, dpi->modifiers); |
140d75d7 | 2744 | |
1b4974e7 | 2745 | return; |
2746 | } | |
168d63e5 | 2747 | |
1b4974e7 | 2748 | case D_COMP_ARRAY_TYPE: |
2749 | { | |
2750 | struct d_print_mod dpm; | |
168d63e5 | 2751 | |
1b4974e7 | 2752 | /* We must pass this type down as a modifier in order to print |
2753 | multi-dimensional arrays correctly. */ | |
140d75d7 | 2754 | |
1b4974e7 | 2755 | dpm.next = dpi->modifiers; |
2756 | dpi->modifiers = &dpm; | |
2757 | dpm.mod = dc; | |
2758 | dpm.printed = 0; | |
168d63e5 | 2759 | |
1b4974e7 | 2760 | d_print_comp (dpi, d_right (dc)); |
168d63e5 | 2761 | |
1b4974e7 | 2762 | dpi->modifiers = dpm.next; |
168d63e5 | 2763 | |
1b4974e7 | 2764 | if (dpm.printed) |
2765 | return; | |
168d63e5 | 2766 | |
1b4974e7 | 2767 | d_print_array_type (dpi, dc, dpi->modifiers); |
168d63e5 | 2768 | |
1b4974e7 | 2769 | return; |
2770 | } | |
168d63e5 | 2771 | |
1b4974e7 | 2772 | case D_COMP_PTRMEM_TYPE: |
2773 | { | |
2774 | const struct d_comp *target_type; | |
2775 | struct d_print_mod dpm; | |
2776 | ||
2777 | /* Pass the name down to the type so that it can be printed in | |
2778 | the right place for the type. If the type has | |
2779 | CV-qualifiers, they are really method qualifiers; pull them | |
2780 | off now and print them after everything else. */ | |
2781 | target_type = d_right (dc); | |
2782 | while (target_type != NULL | |
2783 | && (target_type->type == D_COMP_RESTRICT | |
2784 | || target_type->type == D_COMP_VOLATILE | |
2785 | || target_type->type == D_COMP_CONST)) | |
2786 | target_type = d_left (target_type); | |
2787 | ||
2788 | dpm.next = dpi->modifiers; | |
2789 | dpi->modifiers = &dpm; | |
2790 | dpm.mod = dc; | |
2791 | dpm.printed = 0; | |
2792 | ||
2793 | d_print_comp (dpi, target_type); | |
2794 | ||
2795 | /* If the modifier didn't get printed by the type, print it | |
2796 | now. */ | |
2797 | if (! dpm.printed) | |
2798 | { | |
2799 | d_append_char (dpi, ' '); | |
2800 | d_print_comp (dpi, d_left (dc)); | |
2801 | d_append_string (dpi, "::*"); | |
2802 | } | |
168d63e5 | 2803 | |
1b4974e7 | 2804 | dpi->modifiers = dpm.next; |
168d63e5 | 2805 | |
1b4974e7 | 2806 | /* Now print any CV-qualifiers on the type. */ |
2807 | target_type = d_right (dc); | |
2808 | while (target_type != NULL | |
2809 | && (target_type->type == D_COMP_RESTRICT | |
2810 | || target_type->type == D_COMP_VOLATILE | |
2811 | || target_type->type == D_COMP_CONST)) | |
2812 | { | |
2813 | d_print_mod (dpi, target_type); | |
2814 | target_type = d_left (target_type); | |
2815 | } | |
168d63e5 | 2816 | |
1b4974e7 | 2817 | return; |
2818 | } | |
168d63e5 | 2819 | |
1b4974e7 | 2820 | case D_COMP_ARGLIST: |
2821 | case D_COMP_TEMPLATE_ARGLIST: | |
2822 | d_print_comp (dpi, d_left (dc)); | |
2823 | if (d_right (dc) != NULL) | |
2824 | { | |
2825 | d_append_string (dpi, ", "); | |
2826 | d_print_comp (dpi, d_right (dc)); | |
2827 | } | |
2828 | return; | |
168d63e5 | 2829 | |
1b4974e7 | 2830 | case D_COMP_OPERATOR: |
2831 | { | |
2832 | char c; | |
2833 | ||
2834 | d_append_string (dpi, "operator"); | |
2835 | c = dc->u.s_operator.op->name[0]; | |
2836 | if (c >= 'a' && c <= 'z') | |
2837 | d_append_char (dpi, ' '); | |
2838 | d_append_string (dpi, dc->u.s_operator.op->name); | |
2839 | return; | |
2840 | } | |
168d63e5 | 2841 | |
1b4974e7 | 2842 | case D_COMP_EXTENDED_OPERATOR: |
2843 | d_append_string (dpi, "operator "); | |
2844 | d_print_comp (dpi, dc->u.s_extended_operator.name); | |
2845 | return; | |
168d63e5 | 2846 | |
1b4974e7 | 2847 | case D_COMP_CAST: |
2848 | d_append_string (dpi, "operator "); | |
2849 | d_print_cast (dpi, dc); | |
2850 | return; | |
168d63e5 | 2851 | |
1b4974e7 | 2852 | case D_COMP_UNARY: |
2853 | if (d_left (dc)->type != D_COMP_CAST) | |
2854 | d_print_expr_op (dpi, d_left (dc)); | |
2855 | else | |
168d63e5 | 2856 | { |
1b4974e7 | 2857 | d_append_string (dpi, "(("); |
2858 | d_print_cast (dpi, d_left (dc)); | |
2859 | d_append_char (dpi, ')'); | |
168d63e5 | 2860 | } |
1b4974e7 | 2861 | d_append_char (dpi, '('); |
2862 | d_print_comp (dpi, d_right (dc)); | |
2863 | d_append_char (dpi, ')'); | |
2864 | if (d_left (dc)->type == D_COMP_CAST) | |
2865 | d_append_char (dpi, ')'); | |
2866 | return; | |
2867 | ||
2868 | case D_COMP_BINARY: | |
2869 | if (d_right (dc)->type != D_COMP_BINARY_ARGS) | |
168d63e5 | 2870 | { |
1b4974e7 | 2871 | d_print_error (dpi); |
2872 | return; | |
168d63e5 | 2873 | } |
1b4974e7 | 2874 | d_append_char (dpi, '('); |
2875 | d_print_comp (dpi, d_left (d_right (dc))); | |
2876 | d_append_string (dpi, ") "); | |
2877 | d_print_expr_op (dpi, d_left (dc)); | |
2878 | d_append_string (dpi, " ("); | |
2879 | d_print_comp (dpi, d_right (d_right (dc))); | |
2880 | d_append_char (dpi, ')'); | |
2881 | return; | |
2882 | ||
2883 | case D_COMP_BINARY_ARGS: | |
2884 | /* We should only see this as part of D_COMP_BINARY. */ | |
2885 | d_print_error (dpi); | |
2886 | return; | |
2887 | ||
2888 | case D_COMP_TRINARY: | |
2889 | if (d_right (dc)->type != D_COMP_TRINARY_ARG1 | |
2890 | || d_right (d_right (dc))->type != D_COMP_TRINARY_ARG2) | |
2891 | { | |
2892 | d_print_error (dpi); | |
2893 | return; | |
2894 | } | |
2895 | d_append_char (dpi, '('); | |
2896 | d_print_comp (dpi, d_left (d_right (dc))); | |
2897 | d_append_string (dpi, ") "); | |
2898 | d_print_expr_op (dpi, d_left (dc)); | |
2899 | d_append_string (dpi, " ("); | |
2900 | d_print_comp (dpi, d_left (d_right (d_right (dc)))); | |
2901 | d_append_string (dpi, ") : ("); | |
2902 | d_print_comp (dpi, d_right (d_right (d_right (dc)))); | |
2903 | d_append_char (dpi, ')'); | |
2904 | return; | |
2905 | ||
2906 | case D_COMP_TRINARY_ARG1: | |
2907 | case D_COMP_TRINARY_ARG2: | |
2908 | /* We should only see these are part of D_COMP_TRINARY. */ | |
2909 | d_print_error (dpi); | |
2910 | return; | |
2911 | ||
2912 | case D_COMP_LITERAL: | |
2913 | /* For some builtin types, produce simpler output. */ | |
2914 | if (d_left (dc)->type == D_COMP_BUILTIN_TYPE) | |
2915 | { | |
2916 | switch (d_left (dc)->u.s_builtin.type->print) | |
2917 | { | |
2918 | case D_PRINT_INT: | |
2919 | if (d_right (dc)->type == D_COMP_NAME) | |
2920 | { | |
2921 | d_print_comp (dpi, d_right (dc)); | |
2922 | return; | |
2923 | } | |
2924 | break; | |
2925 | ||
2926 | case D_PRINT_LONG: | |
2927 | if (d_right (dc)->type == D_COMP_NAME) | |
2928 | { | |
2929 | d_print_comp (dpi, d_right (dc)); | |
2930 | d_append_char (dpi, 'l'); | |
2931 | return; | |
2932 | } | |
2933 | break; | |
168d63e5 | 2934 | |
1b4974e7 | 2935 | case D_PRINT_BOOL: |
2936 | if (d_right (dc)->type == D_COMP_NAME | |
2937 | && d_right (dc)->u.s_name.len == 1) | |
2938 | { | |
2939 | switch (d_right (dc)->u.s_name.s[0]) | |
2940 | { | |
2941 | case '0': | |
2942 | d_append_string (dpi, "false"); | |
2943 | return; | |
2944 | case '1': | |
2945 | d_append_string (dpi, "true"); | |
2946 | return; | |
2947 | default: | |
2948 | break; | |
2949 | } | |
2950 | } | |
2951 | break; | |
140d75d7 | 2952 | |
1b4974e7 | 2953 | default: |
2954 | break; | |
2955 | } | |
2956 | } | |
168d63e5 | 2957 | |
1b4974e7 | 2958 | d_append_char (dpi, '('); |
2959 | d_print_comp (dpi, d_left (dc)); | |
2960 | d_append_char (dpi, ')'); | |
2961 | d_print_comp (dpi, d_right (dc)); | |
2962 | return; | |
168d63e5 | 2963 | |
1b4974e7 | 2964 | default: |
2965 | d_print_error (dpi); | |
2966 | return; | |
2967 | } | |
168d63e5 | 2968 | } |
2969 | ||
1b4974e7 | 2970 | /* Print an identifier. */ |
168d63e5 | 2971 | |
1b4974e7 | 2972 | static void |
2973 | d_print_identifier (dpi, name, len) | |
2974 | struct d_print_info *dpi; | |
2975 | const char *name; | |
2976 | int len; | |
168d63e5 | 2977 | { |
1b4974e7 | 2978 | if ((dpi->options & DMGL_JAVA) == 0) |
2979 | d_append_buffer (dpi, name, len); | |
2980 | else | |
168d63e5 | 2981 | { |
1b4974e7 | 2982 | const char *p; |
2983 | const char *end; | |
168d63e5 | 2984 | |
1b4974e7 | 2985 | /* For Java we try to handle encoded extended Unicode |
2986 | characters. The C++ ABI doesn't mention Unicode encoding, so | |
2987 | we don't it for C++. Characters are encoded as | |
2988 | __U<hex-char>+_. */ | |
2989 | end = name + len; | |
2990 | for (p = name; p < end; ++p) | |
168d63e5 | 2991 | { |
1b4974e7 | 2992 | if (end - p > 3 |
2993 | && p[0] == '_' | |
2994 | && p[1] == '_' | |
2995 | && p[2] == 'U') | |
2996 | { | |
2997 | unsigned long c; | |
2998 | const char *q; | |
168d63e5 | 2999 | |
1b4974e7 | 3000 | c = 0; |
3001 | for (q = p + 3; q < end; ++q) | |
3002 | { | |
3003 | int dig; | |
3004 | ||
3005 | if (*q >= '0' && *q <= '9') | |
3006 | dig = *q - '0'; | |
3007 | else if (*q >= 'A' && *q <= 'F') | |
3008 | dig = *q - 'A' + 10; | |
3009 | else if (*q >= 'a' && *q <= 'f') | |
3010 | dig = *q - 'a' + 10; | |
3011 | else | |
3012 | break; | |
3013 | ||
3014 | c = c * 16 + dig; | |
3015 | } | |
3016 | /* If the Unicode character is larger than 256, we don't | |
3017 | try to deal with it here. FIXME. */ | |
3018 | if (q < end && *q == '_' && c < 256) | |
3019 | { | |
3020 | d_append_char (dpi, c); | |
3021 | p = q; | |
3022 | continue; | |
3023 | } | |
3024 | } | |
168d63e5 | 3025 | |
1b4974e7 | 3026 | d_append_char (dpi, *p); |
3027 | } | |
168d63e5 | 3028 | } |
168d63e5 | 3029 | } |
3030 | ||
1b4974e7 | 3031 | /* Print a list of modifiers. */ |
168d63e5 | 3032 | |
1b4974e7 | 3033 | static void |
3034 | d_print_mod_list (dpi, mods) | |
3035 | struct d_print_info *dpi; | |
3036 | struct d_print_mod *mods; | |
168d63e5 | 3037 | { |
1b4974e7 | 3038 | if (mods == NULL || mods->printed || d_print_saw_error (dpi)) |
3039 | return; | |
168d63e5 | 3040 | |
1b4974e7 | 3041 | if (mods->mod->type == D_COMP_FUNCTION_TYPE) |
168d63e5 | 3042 | { |
1b4974e7 | 3043 | mods->printed = 1; |
3044 | d_print_function_type (dpi, mods->mod, mods->next); | |
3045 | return; | |
3046 | } | |
3047 | else if (mods->mod->type == D_COMP_ARRAY_TYPE) | |
3048 | { | |
3049 | mods->printed = 1; | |
3050 | d_print_array_type (dpi, mods->mod, mods->next); | |
3051 | return; | |
3052 | } | |
168d63e5 | 3053 | |
1b4974e7 | 3054 | mods->printed = 1; |
168d63e5 | 3055 | |
1b4974e7 | 3056 | d_print_mod (dpi, mods->mod); |
168d63e5 | 3057 | |
1b4974e7 | 3058 | d_print_mod_list (dpi, mods->next); |
168d63e5 | 3059 | } |
1b4974e7 | 3060 | |
3061 | /* Print a modifier. */ | |
168d63e5 | 3062 | |
1b4974e7 | 3063 | static void |
3064 | d_print_mod (dpi, mod) | |
3065 | struct d_print_info *dpi; | |
3066 | const struct d_comp *mod; | |
3067 | { | |
3068 | switch (mod->type) | |
3069 | { | |
3070 | case D_COMP_RESTRICT: | |
3071 | d_append_string (dpi, " restrict"); | |
3072 | return; | |
3073 | case D_COMP_VOLATILE: | |
3074 | d_append_string (dpi, " volatile"); | |
3075 | return; | |
3076 | case D_COMP_CONST: | |
3077 | d_append_string (dpi, " const"); | |
3078 | return; | |
3079 | case D_COMP_VENDOR_TYPE_QUAL: | |
3080 | d_append_char (dpi, ' '); | |
3081 | d_print_comp (dpi, d_right (mod)); | |
3082 | return; | |
3083 | case D_COMP_POINTER: | |
3084 | /* There is no pointer symbol in Java. */ | |
3085 | if ((dpi->options & DMGL_JAVA) == 0) | |
3086 | d_append_char (dpi, '*'); | |
3087 | return; | |
3088 | case D_COMP_REFERENCE: | |
3089 | d_append_char (dpi, '&'); | |
3090 | return; | |
3091 | case D_COMP_COMPLEX: | |
3092 | d_append_string (dpi, "complex "); | |
3093 | return; | |
3094 | case D_COMP_IMAGINARY: | |
3095 | d_append_string (dpi, "imaginary "); | |
3096 | return; | |
3097 | case D_COMP_PTRMEM_TYPE: | |
3098 | if (dpi->buf[dpi->len - 1] != '(') | |
3099 | d_append_char (dpi, ' '); | |
3100 | d_print_comp (dpi, d_left (mod)); | |
3101 | d_append_string (dpi, "::*"); | |
3102 | return; | |
3103 | case D_COMP_TYPED_NAME: | |
3104 | d_print_comp (dpi, d_left (mod)); | |
3105 | return; | |
3106 | default: | |
3107 | /* Otherwise, we have something that won't go back on the | |
3108 | modifier stack, so we can just print it. */ | |
3109 | d_print_comp (dpi, mod); | |
3110 | return; | |
3111 | } | |
3112 | } | |
168d63e5 | 3113 | |
1b4974e7 | 3114 | /* Print a function type, except for the return type. */ |
168d63e5 | 3115 | |
1b4974e7 | 3116 | static void |
3117 | d_print_function_type (dpi, dc, mods) | |
3118 | struct d_print_info *dpi; | |
3119 | const struct d_comp *dc; | |
3120 | struct d_print_mod *mods; | |
168d63e5 | 3121 | { |
1b4974e7 | 3122 | if (mods != NULL) |
3123 | { | |
3124 | int need_paren; | |
3125 | int saw_mod; | |
3126 | struct d_print_mod *p; | |
168d63e5 | 3127 | |
1b4974e7 | 3128 | need_paren = 0; |
3129 | saw_mod = 0; | |
3130 | for (p = mods; p != NULL; p = p->next) | |
3131 | { | |
3132 | if (p->printed) | |
3133 | break; | |
168d63e5 | 3134 | |
1b4974e7 | 3135 | saw_mod = 1; |
3136 | switch (p->mod->type) | |
3137 | { | |
3138 | case D_COMP_RESTRICT: | |
3139 | case D_COMP_VOLATILE: | |
3140 | case D_COMP_CONST: | |
3141 | case D_COMP_VENDOR_TYPE_QUAL: | |
3142 | case D_COMP_POINTER: | |
3143 | case D_COMP_REFERENCE: | |
3144 | case D_COMP_COMPLEX: | |
3145 | case D_COMP_IMAGINARY: | |
3146 | case D_COMP_PTRMEM_TYPE: | |
3147 | need_paren = 1; | |
3148 | break; | |
3149 | default: | |
3150 | break; | |
3151 | } | |
3152 | if (need_paren) | |
3153 | break; | |
3154 | } | |
168d63e5 | 3155 | |
1b4974e7 | 3156 | if (d_left (dc) != NULL && ! saw_mod) |
3157 | need_paren = 1; | |
168d63e5 | 3158 | |
1b4974e7 | 3159 | if (need_paren) |
3160 | d_append_char (dpi, '('); | |
168d63e5 | 3161 | |
1b4974e7 | 3162 | d_print_mod_list (dpi, mods); |
168d63e5 | 3163 | |
1b4974e7 | 3164 | if (need_paren) |
3165 | d_append_char (dpi, ')'); | |
168d63e5 | 3166 | } |
168d63e5 | 3167 | |
1b4974e7 | 3168 | d_append_char (dpi, '('); |
168d63e5 | 3169 | |
1b4974e7 | 3170 | if (d_right (dc) != NULL) |
3171 | d_print_comp (dpi, d_right (dc)); | |
168d63e5 | 3172 | |
1b4974e7 | 3173 | d_append_char (dpi, ')'); |
3174 | } | |
168d63e5 | 3175 | |
1b4974e7 | 3176 | /* Print an array type, except for the element type. */ |
168d63e5 | 3177 | |
1b4974e7 | 3178 | static void |
3179 | d_print_array_type (dpi, dc, mods) | |
3180 | struct d_print_info *dpi; | |
3181 | const struct d_comp *dc; | |
3182 | struct d_print_mod *mods; | |
3183 | { | |
3184 | int need_space; | |
168d63e5 | 3185 | |
1b4974e7 | 3186 | need_space = 1; |
3187 | if (mods != NULL) | |
168d63e5 | 3188 | { |
1b4974e7 | 3189 | int need_paren; |
3190 | struct d_print_mod *p; | |
140d75d7 | 3191 | |
1b4974e7 | 3192 | need_paren = 0; |
3193 | for (p = mods; p != NULL; p = p->next) | |
168d63e5 | 3194 | { |
1b4974e7 | 3195 | if (p->printed) |
3196 | break; | |
168d63e5 | 3197 | |
1b4974e7 | 3198 | if (p->mod->type == D_COMP_ARRAY_TYPE) |
168d63e5 | 3199 | { |
1b4974e7 | 3200 | need_space = 0; |
3201 | break; | |
168d63e5 | 3202 | } |
3203 | else | |
3204 | { | |
1b4974e7 | 3205 | need_paren = 1; |
3206 | need_space = 1; | |
3207 | break; | |
168d63e5 | 3208 | } |
1b4974e7 | 3209 | } |
168d63e5 | 3210 | |
1b4974e7 | 3211 | if (need_paren) |
3212 | d_append_string (dpi, " ("); | |
168d63e5 | 3213 | |
1b4974e7 | 3214 | d_print_mod_list (dpi, mods); |
168d63e5 | 3215 | |
1b4974e7 | 3216 | if (need_paren) |
3217 | d_append_char (dpi, ')'); | |
3218 | } | |
168d63e5 | 3219 | |
1b4974e7 | 3220 | if (need_space) |
3221 | d_append_char (dpi, ' '); | |
140d75d7 | 3222 | |
1b4974e7 | 3223 | d_append_char (dpi, '['); |
140d75d7 | 3224 | |
1b4974e7 | 3225 | if (d_left (dc) != NULL) |
3226 | d_print_comp (dpi, d_left (dc)); | |
168d63e5 | 3227 | |
1b4974e7 | 3228 | d_append_char (dpi, ']'); |
3229 | } | |
168d63e5 | 3230 | |
1b4974e7 | 3231 | /* Print an operator in an expression. */ |
168d63e5 | 3232 | |
1b4974e7 | 3233 | static void |
3234 | d_print_expr_op (dpi, dc) | |
3235 | struct d_print_info *dpi; | |
3236 | const struct d_comp *dc; | |
3237 | { | |
3238 | if (dc->type == D_COMP_OPERATOR) | |
3239 | d_append_string (dpi, dc->u.s_operator.op->name); | |
3240 | else | |
3241 | d_print_comp (dpi, dc); | |
168d63e5 | 3242 | } |
3243 | ||
1b4974e7 | 3244 | /* Print a cast. */ |
168d63e5 | 3245 | |
1b4974e7 | 3246 | static void |
3247 | d_print_cast (dpi, dc) | |
3248 | struct d_print_info *dpi; | |
3249 | const struct d_comp *dc; | |
168d63e5 | 3250 | { |
1b4974e7 | 3251 | if (d_left (dc)->type != D_COMP_TEMPLATE) |
3252 | d_print_comp (dpi, d_left (dc)); | |
3253 | else | |
3254 | { | |
3255 | struct d_print_template dpt; | |
6b45c28d | 3256 | |
1b4974e7 | 3257 | /* It appears that for a templated cast operator, we need to put |
3258 | the template parameters in scope for the operator name, but | |
3259 | not for the parameters. The effect is that we need to handle | |
3260 | the template printing here. FIXME: Verify this. */ | |
168d63e5 | 3261 | |
1b4974e7 | 3262 | dpt.next = dpi->templates; |
3263 | dpi->templates = &dpt; | |
3264 | dpt.template = d_left (dc); | |
6b45c28d | 3265 | |
1b4974e7 | 3266 | d_print_comp (dpi, d_left (d_left (dc))); |
6b45c28d | 3267 | |
1b4974e7 | 3268 | dpi->templates = dpt.next; |
168d63e5 | 3269 | |
1b4974e7 | 3270 | d_append_char (dpi, '<'); |
3271 | d_print_comp (dpi, d_right (d_left (dc))); | |
3272 | /* Avoid generating two consecutive '>' characters, to avoid | |
3273 | the C++ syntactic ambiguity. */ | |
3274 | if (dpi->buf[dpi->len - 1] == '>') | |
3275 | d_append_char (dpi, ' '); | |
3276 | d_append_char (dpi, '>'); | |
168d63e5 | 3277 | } |
1b4974e7 | 3278 | } |
3279 | ||
3280 | /* Initialize the information structure we use to pass around | |
3281 | information. */ | |
3282 | ||
3283 | static int | |
3284 | d_init_info (mangled, options, len, di) | |
3285 | const char *mangled; | |
3286 | int options; | |
3287 | size_t len; | |
3288 | struct d_info *di; | |
168d63e5 | 3289 | { |
1b4974e7 | 3290 | di->s = mangled; |
3291 | di->options = options; | |
168d63e5 | 3292 | |
1b4974e7 | 3293 | di->n = mangled; |
3294 | ||
3295 | /* We can not need more components than twice the number of chars in | |
3296 | the mangled string. Most components correspond directly to | |
3297 | chars, but the ARGLIST types are exceptions. */ | |
3298 | di->num_comps = 2 * len; | |
3299 | di->comps = (struct d_comp *) malloc (di->num_comps | |
3300 | * sizeof (struct d_comp)); | |
3301 | di->next_comp = 0; | |
3302 | ||
3303 | /* Similarly, we can not need more substitutions than there are | |
3304 | chars in the mangled string divided by 2, since it takes at least | |
3305 | two chars to refer to a substitution. */ | |
3306 | di->num_subs = (len + 1) / 2; | |
3307 | di->subs = (struct d_comp **) malloc (di->num_subs | |
3308 | * sizeof (struct d_comp *)); | |
3309 | di->next_sub = 0; | |
3310 | ||
3311 | di->last_name = NULL; | |
3312 | ||
3313 | if (di->comps == NULL || di->subs == NULL) | |
168d63e5 | 3314 | { |
1b4974e7 | 3315 | if (di->comps != NULL) |
3316 | free (di->comps); | |
3317 | if (di->subs != NULL) | |
3318 | free (di->subs); | |
3319 | return 0; | |
168d63e5 | 3320 | } |
3321 | ||
1b4974e7 | 3322 | return 1; |
168d63e5 | 3323 | } |
3324 | ||
1b4974e7 | 3325 | /* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled |
3326 | name, return a buffer allocated with malloc holding the demangled | |
3327 | name. OPTIONS is the usual libiberty demangler options. On | |
3328 | success, this sets *PALC to the allocated size of the returned | |
3329 | buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for | |
3330 | a memory allocation failure. On failure, this returns NULL. */ | |
168d63e5 | 3331 | |
1b4974e7 | 3332 | static char * |
3333 | d_demangle (mangled, options, palc) | |
3334 | const char* mangled; | |
3335 | int options; | |
3336 | size_t *palc; | |
168d63e5 | 3337 | { |
1b4974e7 | 3338 | size_t len; |
3339 | int type; | |
3340 | struct d_info di; | |
3341 | struct d_comp *dc; | |
3342 | char *ret; | |
168d63e5 | 3343 | |
1b4974e7 | 3344 | *palc = 0; |
168d63e5 | 3345 | |
1b4974e7 | 3346 | len = strlen (mangled); |
3347 | ||
3348 | if (mangled[0] == '_' && mangled[1] == 'Z') | |
3349 | type = 0; | |
3350 | else if (strncmp (mangled, "_GLOBAL_", 8) == 0 | |
3351 | && (mangled[8] == '.' || mangled[8] == '_' || mangled[8] == '$') | |
3352 | && (mangled[9] == 'D' || mangled[9] == 'I') | |
3353 | && mangled[10] == '_') | |
3354 | { | |
3355 | char *r; | |
168d63e5 | 3356 | |
1b4974e7 | 3357 | r = malloc (40 + len - 11); |
3358 | if (r == NULL) | |
3359 | *palc = 1; | |
3360 | else | |
168d63e5 | 3361 | { |
1b4974e7 | 3362 | if (mangled[9] == 'I') |
3363 | strcpy (r, "global constructors keyed to "); | |
3364 | else | |
3365 | strcpy (r, "global destructors keyed to "); | |
3366 | strcat (r, mangled + 11); | |
168d63e5 | 3367 | } |
1b4974e7 | 3368 | return r; |
168d63e5 | 3369 | } |
3370 | else | |
3371 | { | |
1b4974e7 | 3372 | if ((options & DMGL_TYPES) == 0) |
3373 | return NULL; | |
3374 | type = 1; | |
168d63e5 | 3375 | } |
3376 | ||
1b4974e7 | 3377 | if (! d_init_info (mangled, options, len, &di)) |
140d75d7 | 3378 | { |
1b4974e7 | 3379 | *palc = 1; |
3380 | return NULL; | |
140d75d7 | 3381 | } |
3382 | ||
1b4974e7 | 3383 | if (! type) |
3384 | dc = d_mangled_name (&di); | |
3385 | else | |
3386 | dc = d_type (&di); | |
3387 | ||
3388 | #ifdef CP_DEMANGLE_DEBUG | |
3389 | if (dc == NULL) | |
3390 | printf ("failed demangling\n"); | |
3391 | else | |
3392 | d_dump (dc, 0); | |
3393 | #endif | |
3394 | ||
3395 | free (di.subs); | |
3396 | di.subs = NULL; | |
140d75d7 | 3397 | |
1b4974e7 | 3398 | ret = NULL; |
3399 | if (dc != NULL) | |
3400 | ret = d_print (options, dc, palc); | |
140d75d7 | 3401 | |
1b4974e7 | 3402 | free (di.comps); |
140d75d7 | 3403 | |
1b4974e7 | 3404 | return ret; |
168d63e5 | 3405 | } |
3406 | ||
5acfe29d | 3407 | #if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3) |
1b4974e7 | 3408 | |
140d75d7 | 3409 | extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *)); |
3410 | ||
1b4974e7 | 3411 | /* ia64 ABI-mandated entry point in the C++ runtime library for |
3412 | performing demangling. MANGLED_NAME is a NUL-terminated character | |
3413 | string containing the name to be demangled. | |
140d75d7 | 3414 | |
3415 | OUTPUT_BUFFER is a region of memory, allocated with malloc, of | |
3416 | *LENGTH bytes, into which the demangled name is stored. If | |
3417 | OUTPUT_BUFFER is not long enough, it is expanded using realloc. | |
3418 | OUTPUT_BUFFER may instead be NULL; in that case, the demangled name | |
1b4974e7 | 3419 | is placed in a region of memory allocated with malloc. |
140d75d7 | 3420 | |
3421 | If LENGTH is non-NULL, the length of the buffer conaining the | |
1b4974e7 | 3422 | demangled name, is placed in *LENGTH. |
140d75d7 | 3423 | |
3424 | The return value is a pointer to the start of the NUL-terminated | |
3425 | demangled name, or NULL if the demangling fails. The caller is | |
1b4974e7 | 3426 | responsible for deallocating this memory using free. |
140d75d7 | 3427 | |
3428 | *STATUS is set to one of the following values: | |
3429 | 0: The demangling operation succeeded. | |
1b4974e7 | 3430 | -1: A memory allocation failure occurred. |
140d75d7 | 3431 | -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules. |
3432 | -3: One of the arguments is invalid. | |
3433 | ||
1b4974e7 | 3434 | The demangling is performed using the C++ ABI mangling rules, with |
140d75d7 | 3435 | GNU extensions. */ |
3436 | ||
3437 | char * | |
3438 | __cxa_demangle (mangled_name, output_buffer, length, status) | |
3439 | const char *mangled_name; | |
3440 | char *output_buffer; | |
3441 | size_t *length; | |
3442 | int *status; | |
3443 | { | |
1b4974e7 | 3444 | char *demangled; |
3445 | size_t alc; | |
140d75d7 | 3446 | |
3447 | if (status == NULL) | |
3448 | return NULL; | |
3449 | ||
1b4974e7 | 3450 | if (mangled_name == NULL) |
3451 | { | |
140d75d7 | 3452 | *status = -3; |
3453 | return NULL; | |
3454 | } | |
140d75d7 | 3455 | |
1b4974e7 | 3456 | if (output_buffer != NULL && length == NULL) |
140d75d7 | 3457 | { |
1b4974e7 | 3458 | *status = -3; |
3459 | return NULL; | |
140d75d7 | 3460 | } |
1b4974e7 | 3461 | |
3462 | demangled = d_demangle (mangled_name, DMGL_TYPES, &alc); | |
3463 | ||
3464 | if (demangled == NULL) | |
140d75d7 | 3465 | { |
1b4974e7 | 3466 | if (alc == 1) |
3467 | *status = -1; | |
3468 | else | |
3469 | *status = -2; | |
140d75d7 | 3470 | return NULL; |
3471 | } | |
1b4974e7 | 3472 | |
3473 | if (output_buffer == NULL) | |
3474 | { | |
3475 | if (length != NULL) | |
3476 | *length = alc; | |
3477 | } | |
140d75d7 | 3478 | else |
140d75d7 | 3479 | { |
1b4974e7 | 3480 | if (strlen (demangled) < *length) |
3481 | { | |
3482 | strcpy (output_buffer, demangled); | |
3483 | free (demangled); | |
3484 | demangled = output_buffer; | |
3485 | } | |
3486 | else | |
3487 | { | |
3488 | free (output_buffer); | |
3489 | *length = alc; | |
3490 | } | |
140d75d7 | 3491 | } |
1b4974e7 | 3492 | |
3493 | *status = 0; | |
3494 | ||
3495 | return demangled; | |
140d75d7 | 3496 | } |
3497 | ||
5acfe29d | 3498 | #else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */ |
140d75d7 | 3499 | |
1b4974e7 | 3500 | /* Entry point for libiberty demangler. If MANGLED is a g++ v3 ABI |
3501 | mangled name, return a buffer allocated with malloc holding the | |
3502 | demangled name. Otherwise, return NULL. */ | |
168d63e5 | 3503 | |
3504 | char * | |
c6d86b63 | 3505 | cplus_demangle_v3 (mangled, options) |
168d63e5 | 3506 | const char* mangled; |
c6d86b63 | 3507 | int options; |
168d63e5 | 3508 | { |
1b4974e7 | 3509 | size_t alc; |
cf0ad6a8 | 3510 | |
1b4974e7 | 3511 | return d_demangle (mangled, options, &alc); |
168d63e5 | 3512 | } |
3513 | ||
1c1033dd | 3514 | /* Demangle a Java symbol. Java uses a subset of the V3 ABI C++ mangling |
3515 | conventions, but the output formatting is a little different. | |
3516 | This instructs the C++ demangler not to emit pointer characters ("*"), and | |
3517 | to use Java's namespace separator symbol ("." instead of "::"). It then | |
3518 | does an additional pass over the demangled output to replace instances | |
3519 | of JArray<TYPE> with TYPE[]. */ | |
3520 | ||
3521 | char * | |
3522 | java_demangle_v3 (mangled) | |
3523 | const char* mangled; | |
3524 | { | |
1b4974e7 | 3525 | size_t alc; |
3526 | char *demangled; | |
3527 | int nesting; | |
3528 | char *from; | |
3529 | char *to; | |
3530 | ||
8a238b4d | 3531 | demangled = d_demangle (mangled, DMGL_JAVA | DMGL_PARAMS, &alc); |
1b4974e7 | 3532 | |
3533 | if (demangled == NULL) | |
3534 | return NULL; | |
3535 | ||
3536 | nesting = 0; | |
3537 | from = demangled; | |
3538 | to = from; | |
3539 | while (*from != '\0') | |
1c1033dd | 3540 | { |
1b4974e7 | 3541 | if (strncmp (from, "JArray<", 7) == 0) |
3542 | { | |
3543 | from += 7; | |
1c1033dd | 3544 | ++nesting; |
1c1033dd | 3545 | } |
1b4974e7 | 3546 | else if (nesting > 0 && *from == '>') |
3547 | { | |
3548 | while (to > demangled && to[-1] == ' ') | |
3549 | --to; | |
3550 | *to++ = '['; | |
3551 | *to++ = ']'; | |
1c1033dd | 3552 | --nesting; |
1b4974e7 | 3553 | ++from; |
1c1033dd | 3554 | } |
3555 | else | |
1b4974e7 | 3556 | *to++ = *from++; |
1c1033dd | 3557 | } |
3558 | ||
1b4974e7 | 3559 | *to = '\0'; |
87591c4a | 3560 | |
1b4974e7 | 3561 | return demangled; |
1c1033dd | 3562 | } |
3563 | ||
5acfe29d | 3564 | #endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */ |
140d75d7 | 3565 | |
c62ef5b5 | 3566 | #ifndef IN_GLIBCPP_V3 |
1b4974e7 | 3567 | |
3568 | /* Demangle a string in order to find out whether it is a constructor | |
3569 | or destructor. Return non-zero on success. Set *CTOR_KIND and | |
3570 | *DTOR_KIND appropriately. */ | |
3571 | ||
3572 | static int | |
3573 | is_ctor_or_dtor (mangled, ctor_kind, dtor_kind) | |
3574 | const char *mangled; | |
3575 | enum gnu_v3_ctor_kinds *ctor_kind; | |
3576 | enum gnu_v3_dtor_kinds *dtor_kind; | |
3a18c9fc | 3577 | { |
1b4974e7 | 3578 | struct d_info di; |
3579 | struct d_comp *dc; | |
3a18c9fc | 3580 | |
1b4974e7 | 3581 | *ctor_kind = (enum gnu_v3_ctor_kinds) 0; |
3582 | *dtor_kind = (enum gnu_v3_dtor_kinds) 0; | |
3583 | ||
3584 | if (! d_init_info (mangled, DMGL_GNU_V3, strlen (mangled), &di)) | |
3a18c9fc | 3585 | return 0; |
3586 | ||
1b4974e7 | 3587 | dc = d_mangled_name (&di); |
3588 | ||
3589 | if (dc == NULL) | |
3590 | return 0; | |
3a18c9fc | 3591 | |
1b4974e7 | 3592 | while (dc != NULL) |
3a18c9fc | 3593 | { |
1b4974e7 | 3594 | switch (dc->type) |
3595 | { | |
3596 | default: | |
3597 | return 0; | |
3598 | case D_COMP_TYPED_NAME: | |
3599 | case D_COMP_TEMPLATE: | |
3600 | case D_COMP_RESTRICT: | |
3601 | case D_COMP_VOLATILE: | |
3602 | case D_COMP_CONST: | |
3603 | case D_COMP_VENDOR_TYPE_QUAL: | |
3604 | dc = d_left (dc); | |
3605 | break; | |
3606 | case D_COMP_QUAL_NAME: | |
3607 | dc = d_right (dc); | |
3608 | break; | |
3609 | case D_COMP_CTOR: | |
3610 | *ctor_kind = dc->u.s_ctor.kind; | |
3611 | return 1; | |
3612 | case D_COMP_DTOR: | |
3613 | *dtor_kind = dc->u.s_dtor.kind; | |
3614 | return 1; | |
3615 | } | |
3a18c9fc | 3616 | } |
3617 | ||
3a18c9fc | 3618 | return 0; |
3619 | } | |
3620 | ||
1b4974e7 | 3621 | /* Return whether NAME is the mangled form of a g++ V3 ABI constructor |
3622 | name. A non-zero return indicates the type of constructor. */ | |
3a18c9fc | 3623 | |
3a18c9fc | 3624 | enum gnu_v3_ctor_kinds |
e5f55ef4 | 3625 | is_gnu_v3_mangled_ctor (name) |
3626 | const char *name; | |
3a18c9fc | 3627 | { |
1b4974e7 | 3628 | enum gnu_v3_ctor_kinds ctor_kind; |
3629 | enum gnu_v3_dtor_kinds dtor_kind; | |
3a18c9fc | 3630 | |
1b4974e7 | 3631 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
05455547 | 3632 | return (enum gnu_v3_ctor_kinds) 0; |
1b4974e7 | 3633 | return ctor_kind; |
3a18c9fc | 3634 | } |
3635 | ||
3636 | ||
1b4974e7 | 3637 | /* Return whether NAME is the mangled form of a g++ V3 ABI destructor |
3638 | name. A non-zero return indicates the type of destructor. */ | |
3639 | ||
3a18c9fc | 3640 | enum gnu_v3_dtor_kinds |
e5f55ef4 | 3641 | is_gnu_v3_mangled_dtor (name) |
3642 | const char *name; | |
3a18c9fc | 3643 | { |
1b4974e7 | 3644 | enum gnu_v3_ctor_kinds ctor_kind; |
3645 | enum gnu_v3_dtor_kinds dtor_kind; | |
3a18c9fc | 3646 | |
1b4974e7 | 3647 | if (! is_ctor_or_dtor (name, &ctor_kind, &dtor_kind)) |
05455547 | 3648 | return (enum gnu_v3_dtor_kinds) 0; |
1b4974e7 | 3649 | return dtor_kind; |
3a18c9fc | 3650 | } |
3651 | ||
1b4974e7 | 3652 | #endif /* IN_GLIBCPP_V3 */ |
3a18c9fc | 3653 | |
168d63e5 | 3654 | #ifdef STANDALONE_DEMANGLER |
3655 | ||
3656 | #include "getopt.h" | |
1b4974e7 | 3657 | #include "dyn-string.h" |
3658 | ||
3659 | static void print_usage PARAMS ((FILE* fp, int exit_value)); | |
168d63e5 | 3660 | |
1b4974e7 | 3661 | #define IS_ALPHA(CHAR) \ |
3662 | (((CHAR) >= 'a' && (CHAR) <= 'z') \ | |
3663 | || ((CHAR) >= 'A' && (CHAR) <= 'Z')) | |
168d63e5 | 3664 | |
3665 | /* Non-zero if CHAR is a character than can occur in a mangled name. */ | |
7ae7b54c | 3666 | #define is_mangled_char(CHAR) \ |
40e00cb0 | 3667 | (IS_ALPHA (CHAR) || IS_DIGIT (CHAR) \ |
3668 | || (CHAR) == '_' || (CHAR) == '.' || (CHAR) == '$') | |
168d63e5 | 3669 | |
3670 | /* The name of this program, as invoked. */ | |
3671 | const char* program_name; | |
3672 | ||
3673 | /* Prints usage summary to FP and then exits with EXIT_VALUE. */ | |
3674 | ||
3675 | static void | |
3676 | print_usage (fp, exit_value) | |
3677 | FILE* fp; | |
3678 | int exit_value; | |
3679 | { | |
3680 | fprintf (fp, "Usage: %s [options] [names ...]\n", program_name); | |
62c2feed | 3681 | fprintf (fp, "Options:\n"); |
168d63e5 | 3682 | fprintf (fp, " -h,--help Display this message.\n"); |
55faa696 | 3683 | fprintf (fp, " -p,--no-params Don't display function parameters\n"); |
168d63e5 | 3684 | fprintf (fp, " -v,--verbose Produce verbose demanglings.\n"); |
3685 | fprintf (fp, "If names are provided, they are demangled. Otherwise filters standard input.\n"); | |
3686 | ||
3687 | exit (exit_value); | |
3688 | } | |
3689 | ||
3690 | /* Option specification for getopt_long. */ | |
c077395f | 3691 | static const struct option long_options[] = |
168d63e5 | 3692 | { |
55faa696 | 3693 | { "help", no_argument, NULL, 'h' }, |
3694 | { "no-params", no_argument, NULL, 'p' }, | |
3695 | { "verbose", no_argument, NULL, 'v' }, | |
3696 | { NULL, no_argument, NULL, 0 }, | |
168d63e5 | 3697 | }; |
3698 | ||
3699 | /* Main entry for a demangling filter executable. It will demangle | |
3700 | its command line arguments, if any. If none are provided, it will | |
3701 | filter stdin to stdout, replacing any recognized mangled C++ names | |
3702 | with their demangled equivalents. */ | |
3703 | ||
3704 | int | |
3705 | main (argc, argv) | |
3706 | int argc; | |
3707 | char *argv[]; | |
3708 | { | |
168d63e5 | 3709 | int i; |
3710 | int opt_char; | |
1b4974e7 | 3711 | int options = DMGL_PARAMS | DMGL_ANSI | DMGL_TYPES; |
168d63e5 | 3712 | |
3713 | /* Use the program name of this program, as invoked. */ | |
3714 | program_name = argv[0]; | |
3715 | ||
3716 | /* Parse options. */ | |
3717 | do | |
3718 | { | |
55faa696 | 3719 | opt_char = getopt_long (argc, argv, "hpv", long_options, NULL); |
168d63e5 | 3720 | switch (opt_char) |
3721 | { | |
3722 | case '?': /* Unrecognized option. */ | |
3723 | print_usage (stderr, 1); | |
3724 | break; | |
3725 | ||
3726 | case 'h': | |
3727 | print_usage (stdout, 0); | |
3728 | break; | |
3729 | ||
55faa696 | 3730 | case 'p': |
3731 | options &= ~ DMGL_PARAMS; | |
3732 | break; | |
3733 | ||
168d63e5 | 3734 | case 'v': |
1b4974e7 | 3735 | options |= DMGL_VERBOSE; |
168d63e5 | 3736 | break; |
3737 | } | |
3738 | } | |
3739 | while (opt_char != -1); | |
3740 | ||
3741 | if (optind == argc) | |
3742 | /* No command line arguments were provided. Filter stdin. */ | |
3743 | { | |
3744 | dyn_string_t mangled = dyn_string_new (3); | |
1b4974e7 | 3745 | char *s; |
168d63e5 | 3746 | |
3747 | /* Read all of input. */ | |
3748 | while (!feof (stdin)) | |
3749 | { | |
1b4974e7 | 3750 | char c; |
168d63e5 | 3751 | |
3752 | /* Pile characters into mangled until we hit one that can't | |
3753 | occur in a mangled name. */ | |
3754 | c = getchar (); | |
3755 | while (!feof (stdin) && is_mangled_char (c)) | |
3756 | { | |
3757 | dyn_string_append_char (mangled, c); | |
3758 | if (feof (stdin)) | |
3759 | break; | |
3760 | c = getchar (); | |
3761 | } | |
3762 | ||
1b4974e7 | 3763 | if (dyn_string_length (mangled) > 0) |
140d75d7 | 3764 | { |
1b4974e7 | 3765 | s = cplus_demangle_v3 (dyn_string_buf (mangled), options); |
3766 | ||
3767 | if (s != NULL) | |
3768 | { | |
3769 | fputs (s, stdout); | |
3770 | free (s); | |
3771 | } | |
3772 | else | |
3773 | { | |
3774 | /* It might not have been a mangled name. Print the | |
3775 | original text. */ | |
3776 | fputs (dyn_string_buf (mangled), stdout); | |
3777 | } | |
3778 | ||
3779 | dyn_string_clear (mangled); | |
140d75d7 | 3780 | } |
168d63e5 | 3781 | |
3782 | /* If we haven't hit EOF yet, we've read one character that | |
3783 | can't occur in a mangled name, so print it out. */ | |
3784 | if (!feof (stdin)) | |
3785 | putchar (c); | |
168d63e5 | 3786 | } |
3787 | ||
3788 | dyn_string_delete (mangled); | |
168d63e5 | 3789 | } |
3790 | else | |
3791 | /* Demangle command line arguments. */ | |
3792 | { | |
168d63e5 | 3793 | /* Loop over command line arguments. */ |
3794 | for (i = optind; i < argc; ++i) | |
3795 | { | |
1b4974e7 | 3796 | char *s; |
3797 | ||
168d63e5 | 3798 | /* Attempt to demangle. */ |
1b4974e7 | 3799 | s = cplus_demangle_v3 (argv[i], options); |
168d63e5 | 3800 | |
3801 | /* If it worked, print the demangled name. */ | |
1b4974e7 | 3802 | if (s != NULL) |
140d75d7 | 3803 | { |
1b4974e7 | 3804 | printf ("%s\n", s); |
3805 | free (s); | |
140d75d7 | 3806 | } |
1b4974e7 | 3807 | else |
3808 | fprintf (stderr, "Failed: %s\n", argv[i]); | |
168d63e5 | 3809 | } |
168d63e5 | 3810 | } |
3811 | ||
3812 | return 0; | |
3813 | } | |
3814 | ||
3815 | #endif /* STANDALONE_DEMANGLER */ |