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dd3b648e | 1 | /* Demangler for GNU C++ |
7d9884b9 | 2 | Copyright 1989, 1991 Free Software Foundation, Inc. |
f9b5584c FF |
3 | Written by James Clark (jjc@jclark.uucp) |
4 | Rewritten by Fred Fish (fnf@cygnus.com) for ARM and Lucid demangling | |
dd3b648e | 5 | |
572acbbe MT |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
99a7de40 | 10 | |
572acbbe MT |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
99a7de40 | 15 | |
572acbbe MT |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e | 19 | |
f9b5584c | 20 | /* This is for g++ 1.95.03 (November 13 version). */ |
dd3b648e | 21 | |
8f793aa5 | 22 | /* This file exports two functions; cplus_mangle_opname and cplus_demangle. |
dd3b648e RP |
23 | |
24 | This file imports xmalloc and xrealloc, which are like malloc and | |
25 | realloc except that they generate a fatal error if there is no | |
26 | available memory. */ | |
27 | ||
e1ce8aa5 JK |
28 | /* GDB-specific, FIXME. */ |
29 | #include "defs.h" | |
8f793aa5 | 30 | #include "demangle.h" |
e1ce8aa5 | 31 | |
d747e0af | 32 | #include <ctype.h> |
dd3b648e | 33 | #include <string.h> |
dd3b648e | 34 | |
f9b5584c FF |
35 | #if !defined (GNU_DEMANGLING) && !defined (ARM_DEMANGLING) |
36 | # define GNU_DEMANGLING 1 | |
37 | #endif | |
38 | ||
8ffd75c8 JG |
39 | /* This is '$' on systems where the assembler can deal with that. |
40 | Where the assembler can't, it's '.' (but on many systems '.' is | |
41 | used for other things). */ | |
f9b5584c | 42 | |
8ffd75c8 JG |
43 | #if !defined (CPLUS_MARKER) |
44 | #define CPLUS_MARKER '$' | |
45 | #endif | |
46 | ||
dd3b648e RP |
47 | #ifndef __STDC__ |
48 | #define const | |
49 | #endif | |
50 | ||
f9b5584c FF |
51 | /* Stuff that is shared between sub-routines. |
52 | * Using a shared structure allows cplus_demangle to be reentrant. */ | |
f536aa39 | 53 | |
f9b5584c FF |
54 | struct work_stuff |
55 | { | |
8f793aa5 | 56 | int options; |
f536aa39 PB |
57 | char **typevec; |
58 | int ntypes; | |
59 | int typevec_size; | |
f9b5584c FF |
60 | int constructor; |
61 | int destructor; | |
62 | int static_type; /* A static member function */ | |
63 | int const_type; /* A const member function */ | |
f536aa39 | 64 | }; |
dd3b648e | 65 | |
f9b5584c FF |
66 | #define PRINT_ANSI_QUALIFIERS (work -> options & DMGL_ANSI) |
67 | #define PRINT_ARG_TYPES (work -> options & DMGL_PARAMS) | |
68 | ||
69 | static const struct optable | |
70 | { | |
dd3b648e RP |
71 | const char *in; |
72 | const char *out; | |
8f793aa5 | 73 | int flags; |
dd3b648e | 74 | } optable[] = { |
8f793aa5 FF |
75 | "nw", " new", DMGL_ANSI, /* new (1.92, ansi) */ |
76 | "dl", " delete", DMGL_ANSI, /* new (1.92, ansi) */ | |
77 | "new", " new", 0, /* old (1.91, and 1.x) */ | |
78 | "delete", " delete", 0, /* old (1.91, and 1.x) */ | |
79 | "as", "=", DMGL_ANSI, /* ansi */ | |
80 | "ne", "!=", DMGL_ANSI, /* old, ansi */ | |
81 | "eq", "==", DMGL_ANSI, /* old, ansi */ | |
82 | "ge", ">=", DMGL_ANSI, /* old, ansi */ | |
83 | "gt", ">", DMGL_ANSI, /* old, ansi */ | |
84 | "le", "<=", DMGL_ANSI, /* old, ansi */ | |
85 | "lt", "<", DMGL_ANSI, /* old, ansi */ | |
86 | "plus", "+", 0, /* old */ | |
87 | "pl", "+", DMGL_ANSI, /* ansi */ | |
88 | "apl", "+=", DMGL_ANSI, /* ansi */ | |
89 | "minus", "-", 0, /* old */ | |
90 | "mi", "-", DMGL_ANSI, /* ansi */ | |
91 | "ami", "-=", DMGL_ANSI, /* ansi */ | |
92 | "mult", "*", 0, /* old */ | |
93 | "ml", "*", DMGL_ANSI, /* ansi */ | |
f9b5584c FF |
94 | #ifdef ARM_DEMANGLING |
95 | "amu", "*=", DMGL_ANSI, /* ansi */ | |
96 | #else | |
8f793aa5 | 97 | "aml", "*=", DMGL_ANSI, /* ansi */ |
f9b5584c | 98 | #endif |
8f793aa5 FF |
99 | "convert", "+", 0, /* old (unary +) */ |
100 | "negate", "-", 0, /* old (unary -) */ | |
101 | "trunc_mod", "%", 0, /* old */ | |
102 | "md", "%", DMGL_ANSI, /* ansi */ | |
103 | "amd", "%=", DMGL_ANSI, /* ansi */ | |
104 | "trunc_div", "/", 0, /* old */ | |
105 | "dv", "/", DMGL_ANSI, /* ansi */ | |
106 | "adv", "/=", DMGL_ANSI, /* ansi */ | |
107 | "truth_andif", "&&", 0, /* old */ | |
108 | "aa", "&&", DMGL_ANSI, /* ansi */ | |
109 | "truth_orif", "||", 0, /* old */ | |
110 | "oo", "||", DMGL_ANSI, /* ansi */ | |
111 | "truth_not", "!", 0, /* old */ | |
112 | "nt", "!", DMGL_ANSI, /* ansi */ | |
113 | "postincrement","++", 0, /* old */ | |
114 | "pp", "++", DMGL_ANSI, /* ansi */ | |
115 | "postdecrement","--", 0, /* old */ | |
116 | "mm", "--", DMGL_ANSI, /* ansi */ | |
117 | "bit_ior", "|", 0, /* old */ | |
118 | "or", "|", DMGL_ANSI, /* ansi */ | |
119 | "aor", "|=", DMGL_ANSI, /* ansi */ | |
120 | "bit_xor", "^", 0, /* old */ | |
121 | "er", "^", DMGL_ANSI, /* ansi */ | |
122 | "aer", "^=", DMGL_ANSI, /* ansi */ | |
123 | "bit_and", "&", 0, /* old */ | |
124 | "ad", "&", DMGL_ANSI, /* ansi */ | |
125 | "aad", "&=", DMGL_ANSI, /* ansi */ | |
126 | "bit_not", "~", 0, /* old */ | |
127 | "co", "~", DMGL_ANSI, /* ansi */ | |
128 | "call", "()", 0, /* old */ | |
129 | "cl", "()", DMGL_ANSI, /* ansi */ | |
130 | "alshift", "<<", 0, /* old */ | |
131 | "ls", "<<", DMGL_ANSI, /* ansi */ | |
132 | "als", "<<=", DMGL_ANSI, /* ansi */ | |
133 | "arshift", ">>", 0, /* old */ | |
134 | "rs", ">>", DMGL_ANSI, /* ansi */ | |
135 | "ars", ">>=", DMGL_ANSI, /* ansi */ | |
136 | "component", "->", 0, /* old */ | |
f9b5584c FF |
137 | #ifdef LUCID_DEMANGLING |
138 | "pt", "->", DMGL_ANSI, /* ansi; Lucid C++ form */ | |
139 | #else | |
8f793aa5 | 140 | "rf", "->", DMGL_ANSI, /* ansi */ |
f9b5584c | 141 | #endif |
8f793aa5 FF |
142 | "indirect", "*", 0, /* old */ |
143 | "method_call", "->()", 0, /* old */ | |
144 | "addr", "&", 0, /* old (unary &) */ | |
145 | "array", "[]", 0, /* old */ | |
146 | "vc", "[]", DMGL_ANSI, /* ansi */ | |
147 | "compound", ", ", 0, /* old */ | |
148 | "cm", ", ", DMGL_ANSI, /* ansi */ | |
149 | "cond", "?:", 0, /* old */ | |
150 | "cn", "?:", DMGL_ANSI, /* psuedo-ansi */ | |
151 | "max", ">?", 0, /* old */ | |
152 | "mx", ">?", DMGL_ANSI, /* psuedo-ansi */ | |
153 | "min", "<?", 0, /* old */ | |
154 | "mn", "<?", DMGL_ANSI, /* psuedo-ansi */ | |
155 | "nop", "", 0, /* old (for operator=) */ | |
156 | "rm", "->*", DMGL_ANSI, /* ansi */ | |
dd3b648e RP |
157 | }; |
158 | ||
dd3b648e | 159 | |
f9b5584c FF |
160 | typedef struct string /* Beware: these aren't required to be */ |
161 | { /* '\0' terminated. */ | |
dd3b648e RP |
162 | char *b; /* pointer to start of string */ |
163 | char *p; /* pointer after last character */ | |
164 | char *e; /* pointer after end of allocated space */ | |
165 | } string; | |
166 | ||
f9b5584c FF |
167 | #define STRING_EMPTY(str) ((str) -> b == (str) -> p) |
168 | #define PREPEND_BLANK(str) {if (!STRING_EMPTY(str)) \ | |
169 | string_prepend(str, " ");} | |
170 | #define APPEND_BLANK(str) {if (!STRING_EMPTY(str)) \ | |
171 | string_append(str, " ");} | |
172 | ||
173 | /* Prototypes for local functions */ | |
174 | ||
175 | static char * | |
176 | mop_up PARAMS ((string *, struct work_stuff *, int)); | |
177 | ||
178 | static int | |
179 | demangle_method_args PARAMS ((string *, const char **, struct work_stuff *)); | |
180 | ||
181 | static int | |
182 | demangle_template PARAMS ((string *declp, const char **, struct work_stuff *)); | |
183 | ||
184 | static int | |
185 | demangle_qualified PARAMS ((string *, const char **, struct work_stuff *)); | |
186 | ||
187 | static int | |
188 | demangle_class PARAMS ((string *, const char **, struct work_stuff *)); | |
189 | ||
190 | static int | |
191 | demangle_fund_type PARAMS ((const char **, string *, struct work_stuff *)); | |
192 | ||
193 | static int | |
194 | demangle_signature PARAMS ((string *, const char **, struct work_stuff *)); | |
195 | ||
196 | static int | |
197 | demangle_prefix PARAMS ((string *, const char **, struct work_stuff *)); | |
198 | ||
199 | static int | |
200 | gnu_special PARAMS ((string *, const char **, struct work_stuff *)); | |
201 | ||
1ab3bf1b JG |
202 | static void |
203 | string_need PARAMS ((string *, int)); | |
204 | ||
205 | static void | |
206 | string_delete PARAMS ((string *)); | |
207 | ||
208 | static void | |
209 | string_init PARAMS ((string *)); | |
210 | ||
211 | static void | |
212 | string_clear PARAMS ((string *)); | |
213 | ||
214 | static int | |
215 | string_empty PARAMS ((string *)); | |
216 | ||
217 | static void | |
218 | string_append PARAMS ((string *, const char *)); | |
219 | ||
220 | static void | |
221 | string_appends PARAMS ((string *, string *)); | |
222 | ||
223 | static void | |
224 | string_appendn PARAMS ((string *, const char *, int)); | |
225 | ||
226 | static void | |
227 | string_prepend PARAMS ((string *, const char *)); | |
228 | ||
229 | static void | |
230 | string_prependn PARAMS ((string *, const char *, int)); | |
231 | ||
232 | static int | |
233 | get_count PARAMS ((const char **, int *)); | |
234 | ||
235 | static int | |
f9b5584c | 236 | demangle_args PARAMS ((string *, const char **, struct work_stuff *)); |
1ab3bf1b JG |
237 | |
238 | static int | |
f536aa39 | 239 | do_type PARAMS ((const char **, string *, struct work_stuff *)); |
1ab3bf1b JG |
240 | |
241 | static int | |
f536aa39 | 242 | do_arg PARAMS ((const char **, string *, struct work_stuff*)); |
1ab3bf1b JG |
243 | |
244 | static void | |
f9b5584c FF |
245 | demangle_function_name PARAMS ((string *, const char **, struct work_stuff*, |
246 | const char *)); | |
1ab3bf1b JG |
247 | |
248 | static void | |
f536aa39 | 249 | remember_type PARAMS ((const char *, int, struct work_stuff *)); |
1ab3bf1b | 250 | |
dd3b648e | 251 | #if 0 |
1ab3bf1b JG |
252 | static void |
253 | string_prepends PARAMS ((string *, string *)); | |
dd3b648e RP |
254 | #endif |
255 | ||
1ab3bf1b | 256 | |
55838914 | 257 | /* Takes operator name as e.g. "++" and returns mangled |
572acbbe MT |
258 | operator name (e.g. "postincrement_expr"), or NULL if not found. |
259 | ||
8f793aa5 FF |
260 | If OPTIONS & DMGL_ANSI == 1, return the ANSI name; |
261 | if OPTIONS & DMGL_ANSI == 0, return the old GNU name. */ | |
262 | ||
55838914 | 263 | char * |
8f793aa5 | 264 | cplus_mangle_opname (opname, options) |
55838914 | 265 | char *opname; |
8f793aa5 | 266 | int options; |
55838914 | 267 | { |
f9b5584c FF |
268 | int i; |
269 | int len; | |
55838914 | 270 | |
f9b5584c | 271 | len = strlen (opname); |
8f793aa5 | 272 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) |
55838914 JK |
273 | { |
274 | if (strlen (optable[i].out) == len | |
8f793aa5 | 275 | && (options & DMGL_ANSI) == (optable[i].flags & DMGL_ANSI) |
55838914 | 276 | && memcmp (optable[i].out, opname, len) == 0) |
f9b5584c | 277 | return ((char *)optable[i].in); |
55838914 | 278 | } |
f9b5584c | 279 | return (0); |
55838914 JK |
280 | } |
281 | ||
8f793aa5 FF |
282 | /* char *cplus_demangle (const char *name, int options) |
283 | ||
284 | If NAME is a mangled function name produced by GNU C++, then | |
285 | a pointer to a malloced string giving a C++ representation | |
286 | of the name will be returned; otherwise NULL will be returned. | |
287 | It is the caller's responsibility to free the string which | |
288 | is returned. | |
289 | ||
290 | The OPTIONS arg may contain one or more of the following bits: | |
291 | ||
292 | DMGL_ANSI ANSI qualifiers such as `const' and `void' are | |
293 | included. | |
294 | DMGL_PARAMS Function parameters are included. | |
295 | ||
296 | For example, | |
297 | ||
298 | cplus_demangle ("foo__1Ai", DMGL_PARAMS) => "A::foo(int)" | |
299 | cplus_demangle ("foo__1Ai", DMGL_PARAMS | DMGL_ANSI) => "A::foo(int)" | |
300 | cplus_demangle ("foo__1Ai", 0) => "A::foo" | |
301 | ||
302 | cplus_demangle ("foo__1Afe", DMGL_PARAMS) => "A::foo(float,...)" | |
303 | cplus_demangle ("foo__1Afe", DMGL_PARAMS | DMGL_ANSI)=> "A::foo(float,...)" | |
304 | cplus_demangle ("foo__1Afe", 0) => "A::foo" | |
f9b5584c FF |
305 | |
306 | Note that any leading underscores, or other such characters prepended by | |
307 | the compilation system, are presumed to have already been stripped from | |
308 | TYPE. */ | |
8f793aa5 | 309 | |
dd3b648e | 310 | char * |
f9b5584c FF |
311 | cplus_demangle (mangled, options) |
312 | const char *mangled; | |
8f793aa5 | 313 | int options; |
dd3b648e RP |
314 | { |
315 | string decl; | |
dd3b648e | 316 | int success = 0; |
f536aa39 | 317 | struct work_stuff work[1]; |
dd3b648e | 318 | const char *p; |
f9b5584c FF |
319 | char *demangled = NULL; |
320 | ||
321 | if ((mangled != NULL) && (*mangled != '\0')) | |
322 | { | |
323 | (void) memset ((char *) work, 0, sizeof (work)); | |
324 | work -> options = options; | |
325 | ||
326 | string_init (&decl); | |
327 | success = demangle_prefix (&decl, &mangled, work); | |
328 | if (success && (*mangled != '\0')) | |
329 | { | |
330 | success = demangle_signature (&decl, &mangled, work); | |
331 | } | |
332 | demangled = mop_up (&decl, work, success); | |
333 | } | |
334 | return (demangled); | |
335 | } | |
336 | ||
337 | static char * | |
338 | mop_up (declp, work, success) | |
339 | string *declp; | |
340 | struct work_stuff *work; | |
341 | int success; | |
342 | { | |
343 | int i; | |
344 | char *demangled = NULL; | |
345 | ||
346 | /* Discard the remembered types, if any. */ | |
347 | ||
348 | for (i = 0; i < work -> ntypes; i++) | |
349 | { | |
350 | if (work -> typevec[i] != NULL) | |
351 | { | |
352 | free (work -> typevec[i]); | |
353 | } | |
354 | } | |
355 | if (work -> typevec != NULL) | |
356 | { | |
357 | free ((char *) work -> typevec); | |
358 | } | |
359 | ||
360 | /* If demangling was successful, ensure that the demangled string is null | |
361 | terminated and return it. Otherwise, free the demangling decl. */ | |
362 | ||
363 | if (!success) | |
364 | { | |
365 | string_delete (declp); | |
366 | } | |
367 | else | |
368 | { | |
369 | string_appendn (declp, "", 1); | |
370 | demangled = declp -> b; | |
371 | } | |
372 | return (demangled); | |
373 | } | |
374 | ||
375 | /* | |
376 | ||
377 | LOCAL FUNCTION | |
378 | ||
379 | demangle_signature -- demangle the signature part of a mangled name | |
380 | ||
381 | SYNOPSIS | |
382 | ||
383 | static int | |
384 | demangle_signature (string *declp, const char **mangled, | |
385 | struct work_stuff *work); | |
386 | ||
387 | DESCRIPTION | |
388 | ||
389 | Consume and demangle the signature portion of the mangled name. | |
390 | ||
391 | DECLP is the string where demangled output is being built. At | |
392 | entry it contains the demangled root name from the mangled name | |
393 | prefix. I.E. either a demangled operator name or the root function | |
394 | name. In some special cases, it may contain nothing. | |
395 | ||
396 | *MANGLED points to the current unconsumed location in the mangled | |
397 | name. As tokens are consumed and demangling is performed, the | |
398 | pointer is updated to continuously point at the next token to | |
399 | be consumed. | |
400 | ||
401 | Demangling GNU style mangled names is nasty because there is no | |
402 | explicit token that marks the start of the outermost function | |
403 | argument list. | |
404 | */ | |
405 | ||
406 | static int | |
407 | demangle_signature (declp, mangled, work) | |
408 | string *declp; | |
409 | const char **mangled; | |
410 | struct work_stuff *work; | |
411 | { | |
412 | int success = 1; | |
413 | int func_done = 0; | |
414 | #ifdef GNU_DEMANGLING | |
415 | int expect_func = 0; | |
416 | #endif | |
dd3b648e RP |
417 | #ifndef LONGERNAMES |
418 | const char *premangle; | |
419 | #endif | |
420 | ||
f9b5584c FF |
421 | #ifndef LONGERNAMES |
422 | premangle = *mangled; | |
dd3b648e | 423 | #endif |
f536aa39 | 424 | |
f9b5584c | 425 | while (success && (**mangled != '\0')) |
dd3b648e | 426 | { |
f9b5584c | 427 | switch (**mangled) |
dd3b648e | 428 | { |
f9b5584c FF |
429 | case 'Q': |
430 | success = demangle_qualified (declp, mangled, work); | |
431 | #ifdef GNU_DEMANGLING | |
432 | expect_func = 1; | |
433 | #endif | |
434 | break; | |
435 | ||
436 | case 'S': | |
437 | /* Static member function */ | |
438 | (*mangled)++; | |
439 | work -> static_type = 1; | |
440 | break; | |
441 | ||
442 | case 'C': | |
443 | /* a const member function */ | |
444 | (*mangled)++; | |
445 | work -> const_type = 1; | |
446 | break; | |
447 | ||
448 | case '0': case '1': case '2': case '3': case '4': | |
449 | case '5': case '6': case '7': case '8': case '9': | |
450 | success = demangle_class (declp, mangled, work); | |
451 | #ifndef LONGERNAMES | |
452 | if (success) | |
453 | { | |
454 | remember_type (premangle, *mangled - premangle, work); | |
455 | } | |
456 | #endif | |
457 | #ifdef GNU_DEMANGLING | |
458 | expect_func = 1; | |
459 | #endif | |
460 | break; | |
461 | ||
462 | case 'F': | |
463 | /* Function */ | |
464 | /* ARM style demangling includes a specific 'F' character after | |
465 | the class name. For GNU style, it is just implied. So we can | |
466 | safely just consume any 'F' at this point and be compatible | |
467 | with either style. */ | |
468 | func_done = 1; | |
469 | (*mangled)++; | |
470 | success = demangle_args (declp, mangled, work); | |
471 | break; | |
472 | ||
473 | case 't': | |
474 | /* Template */ | |
475 | success = demangle_template (declp, mangled, work); | |
476 | break; | |
477 | ||
7fd31a84 FF |
478 | case '_': |
479 | /* At the outermost level, we cannot have a return type specified, | |
480 | so if we run into another '_' at this point we are dealing with | |
481 | a mangled name that is either bogus, or has been mangled by | |
482 | some algorithm we don't know how to deal with. So just | |
483 | reject the entire demangling. */ | |
484 | success = 0; | |
485 | break; | |
486 | ||
f9b5584c FF |
487 | default: |
488 | #ifdef GNU_DEMANGLING | |
489 | /* Assume we have stumbled onto the first outermost function | |
490 | argument token, and start processing args. */ | |
491 | func_done = 1; | |
492 | success = demangle_args (declp, mangled, work); | |
493 | #else | |
494 | /* Non-GNU demanglers use a specific token to mark the start | |
495 | of the outermost function argument tokens. Typically 'F', | |
496 | for ARM-demangling, for example. So if we find something | |
497 | we are not prepared for, it must be an error. */ | |
498 | success = 0; | |
499 | #endif | |
500 | break; | |
dd3b648e | 501 | } |
f9b5584c | 502 | #ifdef GNU_DEMANGLING |
7fd31a84 | 503 | if (success && expect_func) |
dd3b648e | 504 | { |
f9b5584c FF |
505 | func_done = 1; |
506 | success = demangle_args (declp, mangled, work); | |
dd3b648e | 507 | } |
f9b5584c FF |
508 | #endif |
509 | } | |
510 | if (success && !func_done) | |
511 | { | |
512 | /* Even with ARM style demangling, sometimes there is no explicit | |
513 | function argument tokens if the function takes no arguments. */ | |
514 | success = demangle_args (declp, mangled, work); | |
dd3b648e | 515 | } |
f9b5584c FF |
516 | if (success && work -> static_type && PRINT_ARG_TYPES) |
517 | { | |
518 | string_append (declp, " static"); | |
519 | } | |
520 | if (success && work -> const_type && PRINT_ARG_TYPES) | |
521 | { | |
522 | string_append (declp, " const"); | |
523 | } | |
524 | return (success); | |
525 | } | |
dd3b648e | 526 | |
f9b5584c | 527 | #if 0 |
dd3b648e | 528 | |
f9b5584c FF |
529 | static int |
530 | demangle_method_args (declp, mangled, work) | |
531 | string *declp; | |
532 | const char **mangled; | |
533 | struct work_stuff *work; | |
534 | { | |
535 | int success = 0; | |
536 | ||
537 | if (work -> static_type) | |
4c53d9ca | 538 | { |
f9b5584c FF |
539 | string_append (declp, *mangled + 1); |
540 | *mangled += strlen (*mangled); | |
541 | success = 1; | |
4c53d9ca | 542 | } |
f9b5584c | 543 | else |
dd3b648e | 544 | { |
f9b5584c FF |
545 | success = demangle_args (declp, mangled, work); |
546 | } | |
547 | return (success); | |
548 | } | |
549 | ||
550 | #endif | |
551 | ||
552 | static int | |
553 | demangle_template (declp, mangled, work) | |
554 | string *declp; | |
555 | const char **mangled; | |
556 | struct work_stuff *work; | |
557 | { | |
558 | int i; | |
559 | int n; | |
560 | string tname; | |
561 | string trawname; | |
562 | int is_pointer; | |
563 | int is_real; | |
564 | int is_integral; | |
565 | int r; | |
566 | int need_comma = 0; | |
567 | int success = 0; | |
568 | int done; | |
569 | const char *old_p; | |
570 | int symbol_len; | |
571 | string temp; | |
572 | ||
573 | (*mangled)++; | |
574 | string_init (&tname); | |
575 | string_init (&trawname); | |
576 | /* get template name */ | |
577 | if (!get_count (mangled, &r)) | |
578 | { | |
579 | return (0); | |
580 | } | |
581 | string_appendn (&tname, *mangled, r); | |
582 | string_appendn (&trawname, *mangled, r); | |
583 | string_appendn (&trawname, "", 1); | |
584 | *mangled += r; | |
585 | string_append (&tname, "<"); | |
586 | /* get size of template parameter list */ | |
587 | if (!get_count (mangled, &r)) | |
588 | { | |
589 | return (0); | |
590 | } | |
591 | for (i = 0; i < r; i++) | |
592 | { | |
593 | if (need_comma) | |
dd3b648e | 594 | { |
f9b5584c FF |
595 | string_append (&tname, ", "); |
596 | } | |
597 | /* Z for type parameters */ | |
598 | if (**mangled == 'Z') | |
599 | { | |
600 | (*mangled)++; | |
601 | success = do_type (mangled, &temp, work); | |
602 | string_appendn (&temp, "", 1); | |
603 | if (success) | |
572acbbe | 604 | { |
f9b5584c FF |
605 | string_append (&tname, temp.b); |
606 | } | |
607 | string_delete(&temp); | |
608 | if (!success) | |
609 | { | |
610 | break; | |
572acbbe | 611 | } |
572acbbe MT |
612 | } |
613 | else | |
614 | { | |
f9b5584c FF |
615 | /* otherwise, value parameter */ |
616 | old_p = *mangled; | |
617 | is_pointer = 0; | |
618 | is_real = 0; | |
619 | is_integral = 0; | |
620 | done = 0; | |
621 | success = do_type (mangled, &temp, work); | |
622 | string_appendn (&temp, "", 1); | |
623 | if (success) | |
624 | { | |
625 | string_append (&tname, temp.b); | |
626 | } | |
627 | string_delete(&temp); | |
628 | if (!success) | |
629 | { | |
630 | break; | |
631 | } | |
632 | string_append (&tname, "="); | |
633 | while (*old_p && !done) | |
634 | { | |
635 | switch (*old_p) | |
636 | { | |
637 | case 'P': | |
638 | case 'R': | |
639 | done = is_pointer = 1; | |
640 | break; | |
641 | case 'C': /* const */ | |
642 | case 'S': /* explicitly signed [char] */ | |
643 | case 'U': /* unsigned */ | |
644 | case 'V': /* volatile */ | |
645 | case 'F': /* function */ | |
646 | case 'M': /* member function */ | |
647 | case 'O': /* ??? */ | |
648 | old_p++; | |
649 | continue; | |
650 | case 'Q': /* repetition of following */ | |
651 | case 'T': /* remembered type */ | |
652 | abort (); | |
653 | break; | |
654 | case 'v': /* void */ | |
655 | abort (); | |
656 | break; | |
657 | case 'x': /* long long */ | |
658 | case 'l': /* long */ | |
659 | case 'i': /* int */ | |
660 | case 's': /* short */ | |
661 | case 'c': /* char */ | |
662 | done = is_integral = 1; | |
663 | break; | |
664 | case 'r': /* long double */ | |
665 | case 'd': /* double */ | |
666 | case 'f': /* float */ | |
667 | done = is_real = 1; | |
668 | break; | |
669 | default: | |
670 | abort (); | |
671 | } | |
672 | } | |
673 | if (is_integral) | |
674 | { | |
675 | if (**mangled == 'm') | |
676 | { | |
677 | string_appendn (&tname, "-", 1); | |
678 | (*mangled)++; | |
679 | } | |
680 | while (isdigit (**mangled)) | |
681 | { | |
682 | string_appendn (&tname, *mangled, 1); | |
683 | (*mangled)++; | |
684 | } | |
685 | } | |
686 | else if (is_real) | |
687 | { | |
688 | if (**mangled == 'm') | |
689 | { | |
690 | string_appendn (&tname, "-", 1); | |
691 | (*mangled)++; | |
692 | } | |
693 | while (isdigit (**mangled)) | |
694 | { | |
695 | string_appendn (&tname, *mangled, 1); | |
696 | (*mangled)++; | |
697 | } | |
698 | if (**mangled == '.') /* fraction */ | |
699 | { | |
700 | string_appendn (&tname, ".", 1); | |
701 | (*mangled)++; | |
702 | while (isdigit (**mangled)) | |
703 | { | |
704 | string_appendn (&tname, *mangled, 1); | |
705 | (*mangled)++; | |
706 | } | |
707 | } | |
708 | if (**mangled == 'e') /* exponent */ | |
709 | { | |
710 | string_appendn (&tname, "e", 1); | |
711 | (*mangled)++; | |
712 | while (isdigit (**mangled)) | |
713 | { | |
714 | string_appendn (&tname, *mangled, 1); | |
715 | (*mangled)++; | |
716 | } | |
717 | } | |
718 | } | |
719 | else if (is_pointer) | |
720 | { | |
721 | if (!get_count (mangled, &symbol_len)) | |
722 | { | |
723 | success = 0; | |
724 | break; | |
725 | } | |
726 | string_appendn (&tname, *mangled, symbol_len); | |
727 | *mangled += symbol_len; | |
728 | } | |
dd3b648e | 729 | } |
f9b5584c FF |
730 | need_comma = 1; |
731 | } | |
732 | string_append (&tname, ">::"); | |
733 | if (work -> destructor) | |
734 | { | |
735 | string_append (&tname, "~"); | |
736 | } | |
737 | if (work -> constructor || work -> destructor) | |
738 | { | |
739 | string_append (&tname, trawname.b); | |
740 | } | |
741 | string_delete(&trawname); | |
742 | ||
743 | if (!success) | |
744 | { | |
745 | string_delete(&tname); | |
dd3b648e RP |
746 | } |
747 | else | |
748 | { | |
f9b5584c FF |
749 | string_prepend (declp, tname.b); |
750 | string_delete (&tname); | |
751 | ||
752 | if (work -> static_type) | |
753 | { | |
754 | string_append (declp, *mangled + 1); | |
755 | *mangled += strlen (*mangled); | |
756 | success = 1; | |
757 | } | |
758 | else | |
759 | { | |
760 | success = demangle_args (declp, mangled, work); | |
761 | } | |
dd3b648e | 762 | } |
f9b5584c | 763 | } |
dd3b648e | 764 | |
f9b5584c FF |
765 | /* |
766 | ||
767 | LOCAL FUNCTION | |
768 | ||
769 | demangle_class -- demangle a mangled class sequence | |
770 | ||
771 | SYNOPSIS | |
772 | ||
773 | static int | |
774 | demangle_class (string *declp, const char **mangled, | |
775 | struct work_stuff *work) | |
776 | ||
777 | DESCRIPTION | |
778 | ||
779 | DECLP points to the buffer into which demangling is being done. | |
780 | ||
781 | *MANGLED points to the current token to be demangled. On input, | |
782 | it points to a mangled class (I.E. "3foo", "13verylongclass", etc.) | |
783 | On exit, it points to the next token after the mangled class on | |
784 | success, or the first unconsumed token on failure. | |
785 | ||
786 | If the CONSTRUCTOR or DESTRUCTOR flags are set in WORK, then | |
787 | we are demangling a constructor or destructor. In this case | |
788 | we prepend "class::class" or "class::~class" to DECLP. | |
789 | ||
790 | Otherwise, we prepend "class::" to the current DECLP. | |
791 | ||
792 | Reset the constructor/destructor flags once they have been | |
793 | "consumed". This allows demangle_class to be called later during | |
794 | the same demangling, to do normal class demangling. | |
795 | ||
796 | Returns 1 if demangling is successful, 0 otherwise. | |
797 | ||
798 | */ | |
799 | ||
800 | static int | |
801 | demangle_class (declp, mangled, work) | |
802 | string *declp; | |
803 | const char **mangled; | |
804 | struct work_stuff *work; | |
805 | { | |
806 | int n; | |
807 | int success = 0; | |
808 | ||
809 | n = 0; | |
810 | do | |
dd3b648e | 811 | { |
f9b5584c FF |
812 | n *= 10; |
813 | n += **mangled - '0'; | |
814 | (*mangled)++; | |
815 | } | |
816 | while (isdigit (**mangled)); | |
817 | if (strlen (*mangled) >= n) | |
818 | { | |
819 | if (work -> constructor || work -> destructor) | |
f536aa39 | 820 | { |
f9b5584c FF |
821 | string_prependn (declp, *mangled, n); |
822 | if (work -> destructor) | |
f536aa39 | 823 | { |
f9b5584c | 824 | string_prepend (declp, "~"); |
f536aa39 | 825 | } |
f9b5584c | 826 | work -> constructor = work -> destructor = 0; |
dd3b648e | 827 | } |
f9b5584c FF |
828 | string_prepend (declp, "::"); |
829 | string_prependn (declp, *mangled, n); | |
830 | *mangled += n; | |
831 | success = 1; | |
832 | } | |
833 | return (success); | |
834 | } | |
835 | ||
836 | /* | |
837 | ||
838 | LOCAL FUNCTION | |
839 | ||
840 | demangle_prefix -- consume the mangled name prefix and find signature | |
841 | ||
842 | SYNOPSIS | |
843 | ||
844 | static int | |
845 | demangle_prefix (string *declp, const char **mangled, | |
846 | struct work_stuff *work) | |
847 | ||
848 | DESCRIPTION | |
849 | ||
850 | Consume and demangle the prefix of the mangled name. | |
851 | ||
852 | DECLP points to the string buffer into which demangled output is | |
853 | placed. On entry, the buffer is empty. On exit it contains | |
854 | the root function name, the demangled operator name, or in some | |
855 | special cases either nothing or the completely demangled result. | |
856 | ||
857 | MANGLED points to the current pointer into the mangled name. As each | |
858 | token of the mangled name is consumed, it is updated. Upon entry | |
859 | the current mangled name pointer points to the first character of | |
860 | the mangled name. Upon exit, it should point to the first character | |
861 | of the signature if demangling was successful, or to the first | |
862 | unconsumed character if demangling of the prefix was unsuccessful. | |
863 | ||
864 | Returns 1 on success, 0 otherwise. | |
865 | */ | |
866 | ||
867 | static int | |
868 | demangle_prefix (declp, mangled, work) | |
869 | string *declp; | |
870 | const char **mangled; | |
871 | struct work_stuff *work; | |
872 | { | |
873 | int success = 1; | |
874 | const char *scan; | |
875 | ||
876 | if ((scan = strstr (*mangled, "__")) == NULL) | |
877 | { | |
878 | success = gnu_special (declp, mangled, work); | |
879 | } | |
880 | else if (work -> static_type) | |
881 | { | |
882 | if (!isdigit (scan[0]) && (scan[0] != 't')) | |
dd3b648e | 883 | { |
f9b5584c | 884 | success = 0; |
dd3b648e | 885 | } |
f9b5584c FF |
886 | } |
887 | else if ((scan == *mangled) && (isdigit (scan[2]) || (scan[2] == 'Q'))) | |
888 | { | |
889 | /* A GNU style constructor starts with "__<digit>" or "__Q". */ | |
890 | work -> constructor = 1; | |
891 | *mangled = scan + 2; | |
892 | } | |
893 | else if ((scan == *mangled) && !isdigit (scan[2]) && (scan[2] != 't')) | |
894 | { | |
895 | /* Mangled name starts with "__". Skip over any leading '_' characters, | |
896 | then find the next "__" that separates the prefix from the signature. | |
897 | */ | |
898 | while (*scan == '_') | |
dd3b648e | 899 | { |
f9b5584c | 900 | scan++; |
dd3b648e | 901 | } |
f9b5584c | 902 | if ((scan = strstr (scan, "__")) == NULL || (*(scan + 2) == '\0')) |
dd3b648e | 903 | { |
f9b5584c FF |
904 | /* No separator (I.E. "__not_mangled"), or empty signature |
905 | (I.E. "__not_mangled_either__") */ | |
906 | success = 0; | |
dd3b648e RP |
907 | } |
908 | else | |
909 | { | |
f9b5584c | 910 | demangle_function_name (declp, mangled, work, scan); |
4c53d9ca | 911 | } |
f9b5584c FF |
912 | } |
913 | else if (*(scan + 2) != '\0') | |
914 | { | |
915 | /* Mangled name does not start with "__" but does have one somewhere | |
916 | in there with non empty stuff after it. Looks like a global | |
917 | function name. */ | |
918 | demangle_function_name (declp, mangled, work, scan); | |
919 | } | |
920 | else | |
921 | { | |
922 | /* Doesn't look like a mangled name */ | |
923 | success = 0; | |
924 | } | |
925 | return (success); | |
926 | } | |
4c53d9ca | 927 | |
f9b5584c FF |
928 | static int |
929 | gnu_special (declp, mangled, work) | |
930 | string *declp; | |
931 | const char **mangled; | |
932 | struct work_stuff *work; | |
933 | { | |
934 | int n; | |
935 | int success = 1; | |
936 | const char *p; | |
937 | ||
938 | if ((*mangled)[0] == '_' | |
939 | && (*mangled)[1] == CPLUS_MARKER | |
940 | && (*mangled)[2] == '_') | |
941 | { | |
942 | /* Found a GNU style destructor, get past "_<CPLUS_MARKER>_" */ | |
943 | (*mangled) += 3; | |
944 | work -> destructor = 1; | |
945 | } | |
946 | else if (**mangled != '_' && (p = strchr (*mangled, CPLUS_MARKER)) != NULL) | |
947 | { | |
948 | #if 0 | |
949 | /* static data member */ | |
950 | n = strlen (*mangled) + 2; | |
951 | tem = (char *) xmalloc (n); | |
952 | memcpy (tem, *mangled, p - *mangled); | |
953 | strcpy (tem + (p - *mangled), "::"); | |
954 | strcpy (tem + (p - *mangled) + 2, p + 1); | |
955 | #endif | |
dd3b648e | 956 | } |
f9b5584c FF |
957 | else if ((*mangled)[0] == '_' |
958 | && (*mangled)[1] == 'v' | |
959 | && (*mangled)[2] == 't' | |
960 | && (*mangled)[3] == CPLUS_MARKER) | |
dd3b648e | 961 | { |
f9b5584c FF |
962 | /* Found a GNU style virtual table, get past "_vt<CPLUS_MARKER>" |
963 | and create the decl. Note that we consume the entire mangled | |
964 | input string, which means that demangle_signature has no work | |
965 | to do. */ | |
966 | (*mangled) += 4; | |
967 | n = strlen (*mangled); | |
968 | string_appendn (declp, *mangled, n); | |
969 | string_append (declp, " virtual table"); | |
970 | (*mangled) += n; | |
dd3b648e RP |
971 | } |
972 | else | |
973 | { | |
f9b5584c FF |
974 | success = 0; |
975 | } | |
976 | return (success); | |
977 | } | |
978 | ||
979 | /* Do a qualified name, such as "Q25Outer5Inner" for "Outer::Inner" */ | |
980 | ||
981 | static int | |
982 | demangle_qualified (declp, mangled, work) | |
983 | string *declp; | |
984 | const char **mangled; | |
985 | struct work_stuff *work; | |
986 | { | |
987 | int n; | |
988 | string class; | |
989 | string tmp; | |
990 | int success = 0; | |
991 | ||
992 | n = (*mangled)[1] - '0'; | |
993 | if (n >= 0 && n <= 9) | |
994 | { | |
995 | if ((*mangled)[2] == '_') | |
996 | { | |
997 | /* cfront style */ | |
998 | (*mangled)++; | |
999 | } | |
1000 | (*mangled) += 2; | |
1001 | string_init (&class); | |
1002 | while (n-- > 0) | |
1003 | { | |
1004 | success = do_type (mangled, &tmp, work); | |
1005 | string_appends (&class, &tmp); | |
1006 | string_append (&class, "::"); | |
1007 | if (n == 0 && (work -> constructor || work -> destructor)) | |
1008 | { | |
1009 | if (work -> destructor) | |
1010 | { | |
1011 | string_append (&class, "~"); | |
1012 | } | |
1013 | string_appends (&class, &tmp); | |
1014 | } | |
1015 | string_delete (&tmp); | |
1016 | } | |
1017 | work -> constructor = work -> destructor = 0; | |
1018 | string_prependn (declp, class.b, class.p - class.b); | |
1019 | string_delete (&class); | |
dd3b648e | 1020 | } |
f9b5584c | 1021 | return (success); |
dd3b648e RP |
1022 | } |
1023 | ||
1024 | static int | |
1025 | get_count (type, count) | |
1026 | const char **type; | |
1027 | int *count; | |
1028 | { | |
f9b5584c FF |
1029 | const char *p; |
1030 | int n; | |
1031 | ||
dd3b648e | 1032 | if (!isdigit (**type)) |
f9b5584c FF |
1033 | { |
1034 | return (0); | |
1035 | } | |
dd3b648e | 1036 | *count = **type - '0'; |
f9b5584c | 1037 | (*type)++; |
dd3b648e RP |
1038 | /* see flush_repeats in cplus-method.c */ |
1039 | if (isdigit (**type)) | |
1040 | { | |
f9b5584c FF |
1041 | p = *type; |
1042 | n = *count; | |
dd3b648e RP |
1043 | do |
1044 | { | |
1045 | n *= 10; | |
1046 | n += *p - '0'; | |
f9b5584c | 1047 | p++; |
dd3b648e RP |
1048 | } |
1049 | while (isdigit (*p)); | |
1050 | if (*p == '_') | |
1051 | { | |
1052 | *type = p + 1; | |
1053 | *count = n; | |
1054 | } | |
1055 | } | |
f9b5584c | 1056 | return (1); |
dd3b648e RP |
1057 | } |
1058 | ||
1059 | /* result will be initialised here; it will be freed on failure */ | |
1060 | ||
1061 | static int | |
f536aa39 | 1062 | do_type (type, result, work) |
dd3b648e RP |
1063 | const char **type; |
1064 | string *result; | |
f536aa39 | 1065 | struct work_stuff *work; |
dd3b648e RP |
1066 | { |
1067 | int n; | |
1068 | int done; | |
dd3b648e RP |
1069 | int success; |
1070 | string decl; | |
1071 | const char *remembered_type; | |
f9b5584c FF |
1072 | int constp; |
1073 | int volatilep; | |
dd3b648e RP |
1074 | |
1075 | string_init (&decl); | |
1076 | string_init (result); | |
1077 | ||
1078 | done = 0; | |
1079 | success = 1; | |
1080 | while (success && !done) | |
1081 | { | |
1082 | int member; | |
1083 | switch (**type) | |
1084 | { | |
f9b5584c FF |
1085 | /* A qualified name, such as "Outer::Inner". Note qualifier count |
1086 | is limited to a single digit (0-9 qualifiers). */ | |
55838914 JK |
1087 | case 'Q': |
1088 | n = (*type)[1] - '0'; | |
1089 | if (n < 0 || n > 9) | |
f9b5584c FF |
1090 | { |
1091 | success = 0; | |
1092 | } | |
f536aa39 | 1093 | if ((*type)[2] == '_') /* cfront style */ |
f9b5584c FF |
1094 | { |
1095 | (*type)++; | |
1096 | } | |
55838914 JK |
1097 | *type += 2; |
1098 | while (n-- > 0) | |
f9b5584c FF |
1099 | { |
1100 | do_type (type, result, work); | |
1101 | } | |
55838914 JK |
1102 | break; |
1103 | ||
f9b5584c | 1104 | /* A pointer type */ |
dd3b648e | 1105 | case 'P': |
f9b5584c | 1106 | (*type)++; |
dd3b648e RP |
1107 | string_prepend (&decl, "*"); |
1108 | break; | |
1109 | ||
f9b5584c | 1110 | /* A reference type */ |
dd3b648e | 1111 | case 'R': |
f9b5584c | 1112 | (*type)++; |
dd3b648e RP |
1113 | string_prepend (&decl, "&"); |
1114 | break; | |
1115 | ||
f9b5584c | 1116 | /* A back reference to a previously seen type */ |
dd3b648e | 1117 | case 'T': |
f9b5584c FF |
1118 | (*type)++; |
1119 | if (!get_count (type, &n) || n >= work -> ntypes) | |
1120 | { | |
1121 | success = 0; | |
1122 | } | |
dd3b648e RP |
1123 | else |
1124 | { | |
f9b5584c | 1125 | remembered_type = work -> typevec[n]; |
dd3b648e RP |
1126 | type = &remembered_type; |
1127 | } | |
1128 | break; | |
1129 | ||
f9b5584c | 1130 | /* A function */ |
dd3b648e | 1131 | case 'F': |
f9b5584c FF |
1132 | (*type)++; |
1133 | if (!STRING_EMPTY (&decl) && decl.b[0] == '*') | |
dd3b648e RP |
1134 | { |
1135 | string_prepend (&decl, "("); | |
1136 | string_append (&decl, ")"); | |
1137 | } | |
8f793aa5 | 1138 | /* After picking off the function args, we expect to either find the |
f9b5584c FF |
1139 | function return type (preceded by an '_') or the end of the |
1140 | string. */ | |
1141 | if (!demangle_args (&decl, type, work) | |
8f793aa5 | 1142 | || (**type != '_' && **type != '\0')) |
f9b5584c FF |
1143 | { |
1144 | success = 0; | |
1145 | } | |
8f793aa5 | 1146 | if (success && (**type == '_')) |
f9b5584c FF |
1147 | { |
1148 | (*type)++; | |
1149 | } | |
dd3b648e RP |
1150 | break; |
1151 | ||
1152 | case 'M': | |
1153 | case 'O': | |
1154 | { | |
f9b5584c FF |
1155 | constp = 0; |
1156 | volatilep = 0; | |
dd3b648e RP |
1157 | |
1158 | member = **type == 'M'; | |
f9b5584c | 1159 | (*type)++; |
dd3b648e RP |
1160 | if (!isdigit (**type)) |
1161 | { | |
1162 | success = 0; | |
1163 | break; | |
1164 | } | |
1165 | n = 0; | |
1166 | do | |
1167 | { | |
1168 | n *= 10; | |
1169 | n += **type - '0'; | |
f9b5584c | 1170 | (*type)++; |
dd3b648e RP |
1171 | } |
1172 | while (isdigit (**type)); | |
1173 | if (strlen (*type) < n) | |
1174 | { | |
1175 | success = 0; | |
1176 | break; | |
1177 | } | |
1178 | string_append (&decl, ")"); | |
1179 | string_prepend (&decl, "::"); | |
1180 | string_prependn (&decl, *type, n); | |
1181 | string_prepend (&decl, "("); | |
1182 | *type += n; | |
1183 | if (member) | |
1184 | { | |
1185 | if (**type == 'C') | |
1186 | { | |
f9b5584c | 1187 | (*type)++; |
dd3b648e RP |
1188 | constp = 1; |
1189 | } | |
1190 | if (**type == 'V') | |
1191 | { | |
f9b5584c | 1192 | (*type)++; |
dd3b648e RP |
1193 | volatilep = 1; |
1194 | } | |
1195 | if (*(*type)++ != 'F') | |
1196 | { | |
1197 | success = 0; | |
1198 | break; | |
1199 | } | |
1200 | } | |
f9b5584c FF |
1201 | if ((member && !demangle_args (&decl, type, work)) |
1202 | || **type != '_') | |
dd3b648e RP |
1203 | { |
1204 | success = 0; | |
1205 | break; | |
1206 | } | |
f9b5584c | 1207 | (*type)++; |
8f793aa5 | 1208 | if (! PRINT_ANSI_QUALIFIERS) |
f9b5584c FF |
1209 | { |
1210 | break; | |
1211 | } | |
dd3b648e RP |
1212 | if (constp) |
1213 | { | |
f9b5584c | 1214 | APPEND_BLANK (&decl); |
dd3b648e RP |
1215 | string_append (&decl, "const"); |
1216 | } | |
1217 | if (volatilep) | |
1218 | { | |
f9b5584c | 1219 | APPEND_BLANK (&decl); |
dd3b648e RP |
1220 | string_append (&decl, "volatile"); |
1221 | } | |
1222 | break; | |
1223 | } | |
1224 | ||
1225 | case 'C': | |
1226 | if ((*type)[1] == 'P') | |
1227 | { | |
f9b5584c | 1228 | (*type)++; |
8f793aa5 | 1229 | if (PRINT_ANSI_QUALIFIERS) |
dd3b648e | 1230 | { |
f9b5584c FF |
1231 | if (!STRING_EMPTY (&decl)) |
1232 | { | |
1233 | string_prepend (&decl, " "); | |
1234 | } | |
dd3b648e RP |
1235 | string_prepend (&decl, "const"); |
1236 | } | |
1237 | break; | |
1238 | } | |
1239 | ||
1240 | /* fall through */ | |
1241 | default: | |
1242 | done = 1; | |
1243 | break; | |
1244 | } | |
1245 | } | |
1246 | ||
f9b5584c FF |
1247 | success = demangle_fund_type (type, result, work); |
1248 | ||
1249 | if (success) | |
1250 | { | |
1251 | if (!STRING_EMPTY (&decl)) | |
1252 | { | |
1253 | string_append (result, " "); | |
1254 | string_appends (result, &decl); | |
1255 | } | |
1256 | } | |
1257 | else | |
1258 | { | |
1259 | string_delete (result); | |
1260 | } | |
1261 | string_delete (&decl); | |
1262 | return (success); | |
1263 | } | |
1264 | ||
1265 | /* Given a pointer to a type string that represents a fundamental type | |
1266 | argument (int, long, unsigned int, etc) in TYPE, a pointer to the | |
1267 | string in which the demangled output is being built in RESULT, and | |
1268 | the WORK structure, decode the types and add them to the result. | |
1269 | ||
1270 | For example: | |
1271 | ||
1272 | "Ci" => "const int" | |
1273 | "Sl" => "signed long" | |
1274 | "CUs" => "const unsigned short" | |
1275 | ||
1276 | */ | |
1277 | ||
1278 | static int | |
1279 | demangle_fund_type (type, result, work) | |
1280 | const char **type; | |
1281 | string *result; | |
1282 | struct work_stuff *work; | |
1283 | { | |
1284 | int done = 0; | |
1285 | int success = 1; | |
1286 | int n; | |
1287 | ||
1288 | /* First pick off any type qualifiers. There can be more than one. */ | |
1289 | ||
1290 | while (!done) | |
dd3b648e RP |
1291 | { |
1292 | switch (**type) | |
1293 | { | |
f9b5584c FF |
1294 | case 'C': |
1295 | (*type)++; | |
1296 | if (PRINT_ANSI_QUALIFIERS) | |
1297 | { | |
1298 | APPEND_BLANK (result); | |
1299 | string_append (result, "const"); | |
1300 | } | |
1301 | break; | |
1302 | case 'U': | |
1303 | (*type)++; | |
1304 | APPEND_BLANK (result); | |
1305 | string_append (result, "unsigned"); | |
1306 | break; | |
1307 | case 'S': /* signed char only */ | |
1308 | (*type)++; | |
1309 | APPEND_BLANK (result); | |
1310 | string_append (result, "signed"); | |
1311 | break; | |
1312 | case 'V': | |
1313 | (*type)++; | |
1314 | if (PRINT_ANSI_QUALIFIERS) | |
1315 | { | |
1316 | APPEND_BLANK (result); | |
1317 | string_append (result, "volatile"); | |
1318 | } | |
1319 | break; | |
1320 | default: | |
1321 | done = 1; | |
1322 | break; | |
dd3b648e RP |
1323 | } |
1324 | } | |
1325 | ||
f9b5584c FF |
1326 | /* Now pick off the fundamental type. There can be only one. */ |
1327 | ||
1328 | switch (**type) | |
1329 | { | |
dd3b648e RP |
1330 | case '\0': |
1331 | case '_': | |
1332 | break; | |
1333 | case 'v': | |
f9b5584c FF |
1334 | (*type)++; |
1335 | APPEND_BLANK (result); | |
dd3b648e RP |
1336 | string_append (result, "void"); |
1337 | break; | |
1338 | case 'x': | |
f9b5584c FF |
1339 | (*type)++; |
1340 | APPEND_BLANK (result); | |
dd3b648e RP |
1341 | string_append (result, "long long"); |
1342 | break; | |
1343 | case 'l': | |
f9b5584c FF |
1344 | (*type)++; |
1345 | APPEND_BLANK (result); | |
dd3b648e RP |
1346 | string_append (result, "long"); |
1347 | break; | |
1348 | case 'i': | |
f9b5584c FF |
1349 | (*type)++; |
1350 | APPEND_BLANK (result); | |
dd3b648e RP |
1351 | string_append (result, "int"); |
1352 | break; | |
1353 | case 's': | |
f9b5584c FF |
1354 | (*type)++; |
1355 | APPEND_BLANK (result); | |
dd3b648e RP |
1356 | string_append (result, "short"); |
1357 | break; | |
1358 | case 'c': | |
f9b5584c FF |
1359 | (*type)++; |
1360 | APPEND_BLANK (result); | |
dd3b648e RP |
1361 | string_append (result, "char"); |
1362 | break; | |
1363 | case 'r': | |
f9b5584c FF |
1364 | (*type)++; |
1365 | APPEND_BLANK (result); | |
dd3b648e RP |
1366 | string_append (result, "long double"); |
1367 | break; | |
1368 | case 'd': | |
f9b5584c FF |
1369 | (*type)++; |
1370 | APPEND_BLANK (result); | |
dd3b648e RP |
1371 | string_append (result, "double"); |
1372 | break; | |
1373 | case 'f': | |
f9b5584c FF |
1374 | (*type)++; |
1375 | APPEND_BLANK (result); | |
dd3b648e RP |
1376 | string_append (result, "float"); |
1377 | break; | |
1378 | case 'G': | |
f9b5584c | 1379 | (*type)++; |
dd3b648e RP |
1380 | if (!isdigit (**type)) |
1381 | { | |
1382 | success = 0; | |
1383 | break; | |
1384 | } | |
1385 | /* fall through */ | |
f9b5584c | 1386 | /* An explicit type, such as "6mytype" or "7integer" */ |
dd3b648e RP |
1387 | case '0': |
1388 | case '1': | |
1389 | case '2': | |
1390 | case '3': | |
1391 | case '4': | |
1392 | case '5': | |
1393 | case '6': | |
1394 | case '7': | |
1395 | case '8': | |
1396 | case '9': | |
1397 | n = 0; | |
1398 | do | |
1399 | { | |
1400 | n *= 10; | |
1401 | n += **type - '0'; | |
f9b5584c | 1402 | (*type)++; |
dd3b648e RP |
1403 | } |
1404 | while (isdigit (**type)); | |
1405 | if (strlen (*type) < n) | |
1406 | { | |
1407 | success = 0; | |
1408 | break; | |
1409 | } | |
f9b5584c | 1410 | APPEND_BLANK (result); |
dd3b648e RP |
1411 | string_appendn (result, *type, n); |
1412 | *type += n; | |
1413 | break; | |
1414 | default: | |
1415 | success = 0; | |
1416 | break; | |
1417 | } | |
1418 | ||
f9b5584c | 1419 | return (success); |
dd3b648e RP |
1420 | } |
1421 | ||
f9b5584c | 1422 | /* `result' will be initialized in do_type; it will be freed on failure */ |
dd3b648e RP |
1423 | |
1424 | static int | |
f536aa39 | 1425 | do_arg (type, result, work) |
dd3b648e RP |
1426 | const char **type; |
1427 | string *result; | |
f536aa39 | 1428 | struct work_stuff *work; |
dd3b648e RP |
1429 | { |
1430 | const char *start = *type; | |
1431 | ||
f536aa39 | 1432 | if (!do_type (type, result, work)) |
f9b5584c FF |
1433 | { |
1434 | return (0); | |
1435 | } | |
1436 | else | |
1437 | { | |
1438 | remember_type (start, *type - start, work); | |
1439 | return (1); | |
1440 | } | |
dd3b648e RP |
1441 | } |
1442 | ||
1443 | static void | |
f536aa39 | 1444 | remember_type (start, len, work) |
dd3b648e RP |
1445 | const char *start; |
1446 | int len; | |
f536aa39 | 1447 | struct work_stuff *work; |
dd3b648e RP |
1448 | { |
1449 | char *tem; | |
1450 | ||
f9b5584c | 1451 | if (work -> ntypes >= work -> typevec_size) |
dd3b648e | 1452 | { |
f9b5584c | 1453 | if (work -> typevec_size == 0) |
dd3b648e | 1454 | { |
f9b5584c FF |
1455 | work -> typevec_size = 3; |
1456 | work -> typevec = | |
1457 | (char **) xmalloc (sizeof (char *) * work -> typevec_size); | |
dd3b648e RP |
1458 | } |
1459 | else | |
1460 | { | |
f9b5584c FF |
1461 | work -> typevec_size *= 2; |
1462 | work -> typevec = | |
1463 | (char **) xrealloc ((char *)work -> typevec, | |
1464 | sizeof (char *) * work -> typevec_size); | |
dd3b648e RP |
1465 | } |
1466 | } | |
1467 | tem = (char *) xmalloc (len + 1); | |
1468 | memcpy (tem, start, len); | |
1469 | tem[len] = '\0'; | |
f9b5584c | 1470 | work -> typevec[work -> ntypes++] = tem; |
dd3b648e RP |
1471 | } |
1472 | ||
f9b5584c FF |
1473 | /* Process the argument list part of the signature, after any class spec |
1474 | has been consumed, as well as the first 'F' character (if any). For | |
1475 | example: | |
1476 | ||
1477 | "__als__3fooRT0" => process "RT0" | |
1478 | "complexfunc5__FPFPc_PFl_i" => process "PFPc_PFl_i" | |
1479 | ||
1480 | DECLP must be already initialised, usually non-empty. It won't be freed | |
1481 | on failure */ | |
dd3b648e RP |
1482 | |
1483 | static int | |
f9b5584c FF |
1484 | demangle_args (declp, type, work) |
1485 | string *declp; | |
dd3b648e | 1486 | const char **type; |
f536aa39 | 1487 | struct work_stuff *work; |
dd3b648e RP |
1488 | { |
1489 | string arg; | |
1490 | int need_comma = 0; | |
f9b5584c FF |
1491 | int r; |
1492 | int t; | |
1493 | const char *tem; | |
1494 | char temptype; | |
dd3b648e | 1495 | |
8f793aa5 | 1496 | if (PRINT_ARG_TYPES) |
f9b5584c FF |
1497 | { |
1498 | string_append (declp, "("); | |
1499 | if (**type == '\0') | |
1500 | { | |
1501 | string_append (declp, "void"); | |
1502 | } | |
1503 | } | |
dd3b648e | 1504 | |
55b3ef9a | 1505 | while (**type != '_' && **type != '\0' && **type != 'e') |
dd3b648e | 1506 | { |
f9b5584c | 1507 | if ((**type == 'N') || (**type == 'T')) |
dd3b648e | 1508 | { |
f9b5584c FF |
1509 | temptype = *(*type)++; |
1510 | ||
1511 | if (temptype == 'N') | |
1512 | { | |
1513 | if (!get_count (type, &r)) | |
1514 | { | |
1515 | return (0); | |
1516 | } | |
1517 | } | |
1518 | else | |
1519 | { | |
1520 | r = 1; | |
1521 | } | |
1522 | if (!get_count (type, &t)) | |
1523 | { | |
1524 | return (0); | |
1525 | } | |
1526 | #ifdef ARM_DEMANGLING | |
1527 | t--; | |
1528 | #endif | |
1529 | if (t >= work -> ntypes) | |
1530 | { | |
1531 | return (0); | |
1532 | } | |
dd3b648e RP |
1533 | while (--r >= 0) |
1534 | { | |
f9b5584c | 1535 | tem = work -> typevec[t]; |
8f793aa5 | 1536 | if (need_comma && PRINT_ARG_TYPES) |
f9b5584c FF |
1537 | { |
1538 | string_append (declp, ", "); | |
1539 | } | |
f536aa39 | 1540 | if (!do_arg (&tem, &arg, work)) |
f9b5584c FF |
1541 | { |
1542 | return (0); | |
1543 | } | |
8f793aa5 | 1544 | if (PRINT_ARG_TYPES) |
f9b5584c FF |
1545 | { |
1546 | string_appends (declp, &arg); | |
1547 | } | |
dd3b648e RP |
1548 | string_delete (&arg); |
1549 | need_comma = 1; | |
1550 | } | |
1551 | } | |
1552 | else | |
1553 | { | |
8f793aa5 | 1554 | if (need_comma & PRINT_ARG_TYPES) |
f9b5584c FF |
1555 | { |
1556 | string_append (declp, ", "); | |
1557 | } | |
f536aa39 | 1558 | if (!do_arg (type, &arg, work)) |
f9b5584c FF |
1559 | { |
1560 | return (0); | |
1561 | } | |
8f793aa5 | 1562 | if (PRINT_ARG_TYPES) |
f9b5584c FF |
1563 | { |
1564 | string_appends (declp, &arg); | |
1565 | } | |
dd3b648e RP |
1566 | string_delete (&arg); |
1567 | need_comma = 1; | |
1568 | } | |
1569 | } | |
1570 | ||
55b3ef9a | 1571 | if (**type == 'e') |
dd3b648e | 1572 | { |
f9b5584c | 1573 | (*type)++; |
8f793aa5 | 1574 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1575 | { |
1576 | if (need_comma) | |
f9b5584c FF |
1577 | { |
1578 | string_append (declp, ","); | |
1579 | } | |
1580 | string_append (declp, "..."); | |
dd3b648e RP |
1581 | } |
1582 | } | |
1583 | ||
8f793aa5 | 1584 | if (PRINT_ARG_TYPES) |
f9b5584c FF |
1585 | { |
1586 | string_append (declp, ")"); | |
1587 | } | |
1588 | return (1); | |
dd3b648e RP |
1589 | } |
1590 | ||
1591 | static void | |
f9b5584c FF |
1592 | demangle_function_name (declp, mangled, work, scan) |
1593 | string *declp; | |
1594 | const char **mangled; | |
f536aa39 | 1595 | struct work_stuff *work; |
f9b5584c | 1596 | const char *scan; |
dd3b648e | 1597 | { |
f9b5584c FF |
1598 | int i; |
1599 | int len; | |
1600 | string type; | |
1601 | const char *tem; | |
1602 | ||
1603 | string_appendn (declp, (*mangled), scan - (*mangled)); | |
1604 | string_need (declp, 1); | |
1605 | *(declp -> p) = '\0'; | |
1606 | ||
1607 | /* Consume the function name, including the "__" separating the name | |
1608 | from the signature. We are guaranteed that SCAN points to the | |
1609 | separator. */ | |
1610 | ||
1611 | (*mangled) = scan + 2; | |
1612 | ||
1613 | #ifdef ARM_DEMANGLING | |
1614 | ||
1615 | /* See if we have an ARM style constructor or destructor operator. | |
1616 | If so, then just record it, clear the decl, and return. | |
1617 | We can't build the actual constructor/destructor decl until later, | |
1618 | when we recover the class name from the signature. */ | |
1619 | ||
1620 | if (strcmp (declp -> b, "__ct") == 0) | |
1621 | { | |
1622 | work -> constructor = 1; | |
1623 | string_clear (declp); | |
1624 | return; | |
1625 | } | |
1626 | else if (strcmp (declp -> b, "__dt") == 0) | |
1627 | { | |
1628 | work -> destructor = 1; | |
1629 | string_clear (declp); | |
1630 | return; | |
1631 | } | |
1632 | ||
1633 | #endif | |
572acbbe | 1634 | |
f9b5584c FF |
1635 | if (declp->p - declp->b >= 3 |
1636 | && declp->b[0] == 'o' | |
1637 | && declp->b[1] == 'p' | |
1638 | && declp->b[2] == CPLUS_MARKER) | |
dd3b648e | 1639 | { |
dd3b648e | 1640 | /* see if it's an assignment expression */ |
f9b5584c FF |
1641 | if (declp->p - declp->b >= 10 /* op$assign_ */ |
1642 | && memcmp (declp->b + 3, "assign_", 7) == 0) | |
dd3b648e | 1643 | { |
f9b5584c | 1644 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) |
dd3b648e | 1645 | { |
f9b5584c | 1646 | len = declp->p - declp->b - 10; |
dd3b648e | 1647 | if (strlen (optable[i].in) == len |
f9b5584c | 1648 | && memcmp (optable[i].in, declp->b + 10, len) == 0) |
dd3b648e | 1649 | { |
f9b5584c FF |
1650 | string_clear (declp); |
1651 | string_append (declp, "operator"); | |
1652 | string_append (declp, optable[i].out); | |
1653 | string_append (declp, "="); | |
1654 | break; | |
dd3b648e RP |
1655 | } |
1656 | } | |
1657 | } | |
1658 | else | |
1659 | { | |
f9b5584c | 1660 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) |
dd3b648e | 1661 | { |
f9b5584c | 1662 | int len = declp->p - declp->b - 3; |
dd3b648e | 1663 | if (strlen (optable[i].in) == len |
f9b5584c | 1664 | && memcmp (optable[i].in, declp->b + 3, len) == 0) |
dd3b648e | 1665 | { |
f9b5584c FF |
1666 | string_clear (declp); |
1667 | string_append (declp, "operator"); | |
1668 | string_append (declp, optable[i].out); | |
1669 | break; | |
dd3b648e RP |
1670 | } |
1671 | } | |
1672 | } | |
dd3b648e | 1673 | } |
f9b5584c | 1674 | else if (declp->p - declp->b >= 5 && memcmp (declp->b, "type$", 5) == 0) |
dd3b648e RP |
1675 | { |
1676 | /* type conversion operator */ | |
f9b5584c | 1677 | tem = declp->b + 5; |
f536aa39 | 1678 | if (do_type (&tem, &type, work)) |
dd3b648e | 1679 | { |
f9b5584c FF |
1680 | string_clear (declp); |
1681 | string_append (declp, "operator "); | |
1682 | string_appends (declp, &type); | |
dd3b648e | 1683 | string_delete (&type); |
dd3b648e RP |
1684 | } |
1685 | } | |
f9b5584c | 1686 | else if (declp->b[2] == 'o' && declp->b[3] == 'p') |
572acbbe | 1687 | { |
f9b5584c | 1688 | /* ANSI. */ |
572acbbe | 1689 | /* type conversion operator. */ |
f9b5584c | 1690 | tem = declp->b + 4; |
f536aa39 | 1691 | if (do_type (&tem, &type, work)) |
572acbbe | 1692 | { |
f9b5584c FF |
1693 | string_clear (declp); |
1694 | string_append (declp, "operator "); | |
1695 | string_appends (declp, &type); | |
572acbbe | 1696 | string_delete (&type); |
572acbbe MT |
1697 | } |
1698 | } | |
f9b5584c FF |
1699 | else if (declp->b[0] == '_' && declp->b[1] == '_' |
1700 | && declp->b[2] >= 'a' && declp->b[2] <= 'z' | |
1701 | && declp->b[3] >= 'a' && declp->b[3] <= 'z') | |
572acbbe | 1702 | { |
f9b5584c | 1703 | if (declp->b[4] == '\0') |
572acbbe MT |
1704 | { |
1705 | /* Operator. */ | |
f9b5584c | 1706 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) |
572acbbe MT |
1707 | { |
1708 | if (strlen (optable[i].in) == 2 | |
f9b5584c | 1709 | && memcmp (optable[i].in, declp->b + 2, 2) == 0) |
572acbbe | 1710 | { |
f9b5584c FF |
1711 | string_clear (declp); |
1712 | string_append (declp, "operator"); | |
1713 | string_append (declp, optable[i].out); | |
1714 | break; | |
572acbbe MT |
1715 | } |
1716 | } | |
1717 | } | |
1718 | else | |
1719 | { | |
f9b5584c | 1720 | if (declp->b[2] == 'a' && declp->b[5] == '\0') |
572acbbe | 1721 | { |
f9b5584c FF |
1722 | /* Assignment. */ |
1723 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) | |
572acbbe | 1724 | { |
f9b5584c FF |
1725 | if (strlen (optable[i].in) == 3 |
1726 | && memcmp (optable[i].in, declp->b + 2, 3) == 0) | |
1727 | { | |
1728 | string_clear (declp); | |
1729 | string_append (declp, "operator"); | |
1730 | string_append (declp, optable[i].out); | |
1731 | break; | |
1732 | } | |
572acbbe MT |
1733 | } |
1734 | } | |
1735 | } | |
1736 | } | |
dd3b648e RP |
1737 | } |
1738 | ||
1739 | /* a mini string-handling package */ | |
1740 | ||
1741 | static void | |
1742 | string_need (s, n) | |
1743 | string *s; | |
1744 | int n; | |
1745 | { | |
f9b5584c FF |
1746 | int tem; |
1747 | ||
dd3b648e RP |
1748 | if (s->b == NULL) |
1749 | { | |
1750 | if (n < 32) | |
f9b5584c FF |
1751 | { |
1752 | n = 32; | |
1753 | } | |
dd3b648e RP |
1754 | s->p = s->b = (char *) xmalloc (n); |
1755 | s->e = s->b + n; | |
1756 | } | |
1757 | else if (s->e - s->p < n) | |
1758 | { | |
f9b5584c | 1759 | tem = s->p - s->b; |
dd3b648e RP |
1760 | n += tem; |
1761 | n *= 2; | |
1762 | s->b = (char *) xrealloc (s->b, n); | |
1763 | s->p = s->b + tem; | |
1764 | s->e = s->b + n; | |
1765 | } | |
1766 | } | |
1767 | ||
1768 | static void | |
1769 | string_delete (s) | |
1770 | string *s; | |
1771 | { | |
1772 | if (s->b != NULL) | |
1773 | { | |
1774 | free (s->b); | |
1775 | s->b = s->e = s->p = NULL; | |
1776 | } | |
1777 | } | |
1778 | ||
1779 | static void | |
1780 | string_init (s) | |
1781 | string *s; | |
1782 | { | |
1783 | s->b = s->p = s->e = NULL; | |
1784 | } | |
1785 | ||
1786 | static void | |
1787 | string_clear (s) | |
1788 | string *s; | |
1789 | { | |
1790 | s->p = s->b; | |
1791 | } | |
1792 | ||
1793 | static int | |
1794 | string_empty (s) | |
1795 | string *s; | |
1796 | { | |
f9b5584c | 1797 | return (s->b == s->p); |
dd3b648e RP |
1798 | } |
1799 | ||
1800 | static void | |
1801 | string_append (p, s) | |
1802 | string *p; | |
1803 | const char *s; | |
1804 | { | |
1805 | int n; | |
1806 | if (s == NULL || *s == '\0') | |
1807 | return; | |
1808 | n = strlen (s); | |
1809 | string_need (p, n); | |
1810 | memcpy (p->p, s, n); | |
1811 | p->p += n; | |
1812 | } | |
1813 | ||
1814 | static void | |
1815 | string_appends (p, s) | |
1816 | string *p, *s; | |
1817 | { | |
1818 | int n; | |
f9b5584c FF |
1819 | |
1820 | if (s->b != s->p) | |
1821 | { | |
1822 | n = s->p - s->b; | |
1823 | string_need (p, n); | |
1824 | memcpy (p->p, s->b, n); | |
1825 | p->p += n; | |
1826 | } | |
dd3b648e RP |
1827 | } |
1828 | ||
1829 | static void | |
1830 | string_appendn (p, s, n) | |
1831 | string *p; | |
1832 | const char *s; | |
1833 | int n; | |
1834 | { | |
f9b5584c FF |
1835 | if (n != 0) |
1836 | { | |
1837 | string_need (p, n); | |
1838 | memcpy (p->p, s, n); | |
1839 | p->p += n; | |
1840 | } | |
dd3b648e RP |
1841 | } |
1842 | ||
1843 | static void | |
1844 | string_prepend (p, s) | |
1845 | string *p; | |
1846 | const char *s; | |
1847 | { | |
f9b5584c FF |
1848 | if (s != NULL && *s != '\0') |
1849 | { | |
1850 | string_prependn (p, s, strlen (s)); | |
1851 | } | |
dd3b648e RP |
1852 | } |
1853 | ||
1854 | #if 0 | |
1855 | static void | |
1856 | string_prepends (p, s) | |
1857 | string *p, *s; | |
1858 | { | |
f9b5584c FF |
1859 | if (s->b != s->p) |
1860 | { | |
1861 | string_prependn (p, s->b, s->p - s->b); | |
1862 | } | |
dd3b648e RP |
1863 | } |
1864 | #endif | |
1865 | ||
1866 | static void | |
1867 | string_prependn (p, s, n) | |
1868 | string *p; | |
1869 | const char *s; | |
1870 | int n; | |
1871 | { | |
1872 | char *q; | |
1873 | ||
f9b5584c FF |
1874 | if (n != 0) |
1875 | { | |
1876 | string_need (p, n); | |
1877 | for (q = p->p - 1; q >= p->b; q--) | |
1878 | { | |
1879 | q[n] = q[0]; | |
1880 | } | |
1881 | memcpy (p->b, s, n); | |
1882 | p->p += n; | |
1883 | } | |
1884 | } | |
1885 | ||
1886 | /* To generate a standalone demangler program for testing purposes, just | |
1887 | compile and link this file with -DMAIN. When run, it demangles each | |
1888 | command line arg, or each stdin string, and prints the result on stdout. */ | |
1889 | ||
1890 | #ifdef MAIN | |
1891 | ||
1892 | static void | |
1893 | demangle_it (mangled_name) | |
1894 | char *mangled_name; | |
1895 | { | |
1896 | char *result; | |
1897 | ||
1898 | result = cplus_demangle (mangled_name, DMGL_PARAMS | DMGL_ANSI); | |
1899 | if (result == NULL) | |
1900 | { | |
1901 | printf ("%s\n", mangled_name); | |
1902 | } | |
1903 | else | |
1904 | { | |
1905 | printf ("%s\n", result); | |
1906 | free (result); | |
1907 | } | |
1908 | } | |
1909 | ||
1910 | PTR | |
1911 | xmalloc (size) | |
1912 | long size; | |
1913 | { | |
1914 | PTR newmem; | |
1915 | ||
1916 | if ((newmem = malloc ((int) size)) == NULL) | |
1917 | { | |
1918 | fprintf (stderr, "\nCan't allocate %u bytes\n", size); | |
1919 | exit (1); | |
1920 | } | |
1921 | return (newmem); | |
1922 | } | |
1923 | ||
1924 | PTR | |
1925 | xrealloc (oldmem, size) | |
1926 | PTR oldmem; | |
1927 | long size; | |
1928 | { | |
1929 | PTR newmem; | |
1930 | ||
1931 | if ((newmem = realloc ((char *) oldmem, (int) size)) == NULL) | |
1932 | { | |
1933 | fprintf (stderr, "\nCan't reallocate %u bytes\n", size); | |
1934 | exit (1); | |
1935 | } | |
1936 | return (newmem); | |
1937 | } | |
1938 | ||
1939 | main (argc, argv) | |
1940 | int argc; | |
1941 | char **argv; | |
1942 | { | |
1943 | char mangled_name[128]; | |
1944 | char *result; | |
1945 | ||
1946 | if (argc > 1) | |
1947 | { | |
1948 | argc--; | |
1949 | argv++; | |
1950 | while (argc-- > 0) | |
1951 | { | |
1952 | demangle_it (*argv); | |
1953 | } | |
1954 | } | |
1955 | else | |
1956 | { | |
1957 | while (gets (mangled_name)) | |
1958 | { | |
1959 | demangle_it (mangled_name); | |
1960 | } | |
1961 | } | |
dd3b648e | 1962 | } |
f9b5584c FF |
1963 | |
1964 | #endif |