Commit | Line | Data |
---|---|---|
dd3b648e | 1 | /* Demangler for GNU C++ |
7d9884b9 | 2 | Copyright 1989, 1991 Free Software Foundation, Inc. |
dd3b648e RP |
3 | written by James Clark (jjc@jclark.uucp) |
4 | ||
572acbbe MT |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2, or (at your option) | |
8 | any later version. | |
99a7de40 | 9 | |
572acbbe MT |
10 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
99a7de40 | 14 | |
572acbbe MT |
15 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
dd3b648e | 18 | |
7d9884b9 | 19 | /* This is for g++ 1.95.03 (November 13 verison). */ |
dd3b648e | 20 | |
8f793aa5 | 21 | /* This file exports two functions; cplus_mangle_opname and cplus_demangle. |
dd3b648e RP |
22 | |
23 | This file imports xmalloc and xrealloc, which are like malloc and | |
24 | realloc except that they generate a fatal error if there is no | |
25 | available memory. */ | |
26 | ||
27 | /* define this if names don't start with _ */ | |
28 | /* #define nounderscore 1 */ | |
29 | ||
e1ce8aa5 JK |
30 | /* GDB-specific, FIXME. */ |
31 | #include "defs.h" | |
8f793aa5 | 32 | #include "demangle.h" |
e1ce8aa5 | 33 | |
d747e0af MT |
34 | #include <ctype.h> |
35 | ||
dd3b648e RP |
36 | #ifdef USG |
37 | #include <memory.h> | |
38 | #include <string.h> | |
39 | #else | |
40 | #include <strings.h> | |
dd3b648e RP |
41 | #endif |
42 | ||
8ffd75c8 JG |
43 | /* This is '$' on systems where the assembler can deal with that. |
44 | Where the assembler can't, it's '.' (but on many systems '.' is | |
45 | used for other things). */ | |
46 | #if !defined (CPLUS_MARKER) | |
47 | #define CPLUS_MARKER '$' | |
48 | #endif | |
49 | ||
dd3b648e RP |
50 | #ifndef __STDC__ |
51 | #define const | |
52 | #endif | |
53 | ||
54 | #ifdef __STDC__ | |
8f793aa5 FF |
55 | extern char *cplus_demangle (const char *type, int options); |
56 | extern char *cplus_mangle_opname (char *opname, int options); | |
dd3b648e RP |
57 | #else |
58 | extern char *cplus_demangle (); | |
8f793aa5 | 59 | extern char *cplus_mangle_opname (); |
dd3b648e RP |
60 | #endif |
61 | ||
f536aa39 PB |
62 | /* Stuff that is shared betwen sub-routines. |
63 | * Using a shared structure allows cplus_demange to be reentrant. */ | |
64 | ||
65 | struct work_stuff { | |
8f793aa5 | 66 | int options; |
f536aa39 PB |
67 | char **typevec; |
68 | int ntypes; | |
69 | int typevec_size; | |
70 | }; | |
dd3b648e | 71 | |
ef98d5ac | 72 | const static struct optable { |
dd3b648e RP |
73 | const char *in; |
74 | const char *out; | |
8f793aa5 | 75 | int flags; |
dd3b648e | 76 | } optable[] = { |
8f793aa5 FF |
77 | "nw", " new", DMGL_ANSI, /* new (1.92, ansi) */ |
78 | "dl", " delete", DMGL_ANSI, /* new (1.92, ansi) */ | |
79 | "new", " new", 0, /* old (1.91, and 1.x) */ | |
80 | "delete", " delete", 0, /* old (1.91, and 1.x) */ | |
81 | "as", "=", DMGL_ANSI, /* ansi */ | |
82 | "ne", "!=", DMGL_ANSI, /* old, ansi */ | |
83 | "eq", "==", DMGL_ANSI, /* old, ansi */ | |
84 | "ge", ">=", DMGL_ANSI, /* old, ansi */ | |
85 | "gt", ">", DMGL_ANSI, /* old, ansi */ | |
86 | "le", "<=", DMGL_ANSI, /* old, ansi */ | |
87 | "lt", "<", DMGL_ANSI, /* old, ansi */ | |
88 | "plus", "+", 0, /* old */ | |
89 | "pl", "+", DMGL_ANSI, /* ansi */ | |
90 | "apl", "+=", DMGL_ANSI, /* ansi */ | |
91 | "minus", "-", 0, /* old */ | |
92 | "mi", "-", DMGL_ANSI, /* ansi */ | |
93 | "ami", "-=", DMGL_ANSI, /* ansi */ | |
94 | "mult", "*", 0, /* old */ | |
95 | "ml", "*", DMGL_ANSI, /* ansi */ | |
96 | "aml", "*=", DMGL_ANSI, /* ansi */ | |
97 | "convert", "+", 0, /* old (unary +) */ | |
98 | "negate", "-", 0, /* old (unary -) */ | |
99 | "trunc_mod", "%", 0, /* old */ | |
100 | "md", "%", DMGL_ANSI, /* ansi */ | |
101 | "amd", "%=", DMGL_ANSI, /* ansi */ | |
102 | "trunc_div", "/", 0, /* old */ | |
103 | "dv", "/", DMGL_ANSI, /* ansi */ | |
104 | "adv", "/=", DMGL_ANSI, /* ansi */ | |
105 | "truth_andif", "&&", 0, /* old */ | |
106 | "aa", "&&", DMGL_ANSI, /* ansi */ | |
107 | "truth_orif", "||", 0, /* old */ | |
108 | "oo", "||", DMGL_ANSI, /* ansi */ | |
109 | "truth_not", "!", 0, /* old */ | |
110 | "nt", "!", DMGL_ANSI, /* ansi */ | |
111 | "postincrement","++", 0, /* old */ | |
112 | "pp", "++", DMGL_ANSI, /* ansi */ | |
113 | "postdecrement","--", 0, /* old */ | |
114 | "mm", "--", DMGL_ANSI, /* ansi */ | |
115 | "bit_ior", "|", 0, /* old */ | |
116 | "or", "|", DMGL_ANSI, /* ansi */ | |
117 | "aor", "|=", DMGL_ANSI, /* ansi */ | |
118 | "bit_xor", "^", 0, /* old */ | |
119 | "er", "^", DMGL_ANSI, /* ansi */ | |
120 | "aer", "^=", DMGL_ANSI, /* ansi */ | |
121 | "bit_and", "&", 0, /* old */ | |
122 | "ad", "&", DMGL_ANSI, /* ansi */ | |
123 | "aad", "&=", DMGL_ANSI, /* ansi */ | |
124 | "bit_not", "~", 0, /* old */ | |
125 | "co", "~", DMGL_ANSI, /* ansi */ | |
126 | "call", "()", 0, /* old */ | |
127 | "cl", "()", DMGL_ANSI, /* ansi */ | |
128 | "alshift", "<<", 0, /* old */ | |
129 | "ls", "<<", DMGL_ANSI, /* ansi */ | |
130 | "als", "<<=", DMGL_ANSI, /* ansi */ | |
131 | "arshift", ">>", 0, /* old */ | |
132 | "rs", ">>", DMGL_ANSI, /* ansi */ | |
133 | "ars", ">>=", DMGL_ANSI, /* ansi */ | |
134 | "component", "->", 0, /* old */ | |
135 | "rf", "->", DMGL_ANSI, /* ansi */ | |
136 | "indirect", "*", 0, /* old */ | |
137 | "method_call", "->()", 0, /* old */ | |
138 | "addr", "&", 0, /* old (unary &) */ | |
139 | "array", "[]", 0, /* old */ | |
140 | "vc", "[]", DMGL_ANSI, /* ansi */ | |
141 | "compound", ", ", 0, /* old */ | |
142 | "cm", ", ", DMGL_ANSI, /* ansi */ | |
143 | "cond", "?:", 0, /* old */ | |
144 | "cn", "?:", DMGL_ANSI, /* psuedo-ansi */ | |
145 | "max", ">?", 0, /* old */ | |
146 | "mx", ">?", DMGL_ANSI, /* psuedo-ansi */ | |
147 | "min", "<?", 0, /* old */ | |
148 | "mn", "<?", DMGL_ANSI, /* psuedo-ansi */ | |
149 | "nop", "", 0, /* old (for operator=) */ | |
150 | "rm", "->*", DMGL_ANSI, /* ansi */ | |
dd3b648e RP |
151 | }; |
152 | ||
153 | /* Beware: these aren't '\0' terminated. */ | |
154 | ||
ef98d5ac | 155 | typedef struct string { |
dd3b648e RP |
156 | char *b; /* pointer to start of string */ |
157 | char *p; /* pointer after last character */ | |
158 | char *e; /* pointer after end of allocated space */ | |
159 | } string; | |
160 | ||
1ab3bf1b JG |
161 | static void |
162 | string_need PARAMS ((string *, int)); | |
163 | ||
164 | static void | |
165 | string_delete PARAMS ((string *)); | |
166 | ||
167 | static void | |
168 | string_init PARAMS ((string *)); | |
169 | ||
170 | static void | |
171 | string_clear PARAMS ((string *)); | |
172 | ||
173 | static int | |
174 | string_empty PARAMS ((string *)); | |
175 | ||
176 | static void | |
177 | string_append PARAMS ((string *, const char *)); | |
178 | ||
179 | static void | |
180 | string_appends PARAMS ((string *, string *)); | |
181 | ||
182 | static void | |
183 | string_appendn PARAMS ((string *, const char *, int)); | |
184 | ||
185 | static void | |
186 | string_prepend PARAMS ((string *, const char *)); | |
187 | ||
188 | static void | |
189 | string_prependn PARAMS ((string *, const char *, int)); | |
190 | ||
191 | static int | |
192 | get_count PARAMS ((const char **, int *)); | |
193 | ||
194 | static int | |
f536aa39 | 195 | do_args PARAMS ((const char **, string *, struct work_stuff *)); |
1ab3bf1b JG |
196 | |
197 | static int | |
f536aa39 | 198 | do_type PARAMS ((const char **, string *, struct work_stuff *)); |
1ab3bf1b JG |
199 | |
200 | static int | |
f536aa39 | 201 | do_arg PARAMS ((const char **, string *, struct work_stuff*)); |
1ab3bf1b JG |
202 | |
203 | static void | |
f536aa39 | 204 | munge_function_name PARAMS ((string *, struct work_stuff*)); |
1ab3bf1b JG |
205 | |
206 | static void | |
f536aa39 | 207 | remember_type PARAMS ((const char *, int, struct work_stuff *)); |
1ab3bf1b | 208 | |
dd3b648e | 209 | #if 0 |
1ab3bf1b JG |
210 | static void |
211 | string_prepends PARAMS ((string *, string *)); | |
dd3b648e RP |
212 | #endif |
213 | ||
1ab3bf1b | 214 | |
55838914 | 215 | /* Takes operator name as e.g. "++" and returns mangled |
572acbbe MT |
216 | operator name (e.g. "postincrement_expr"), or NULL if not found. |
217 | ||
8f793aa5 FF |
218 | If OPTIONS & DMGL_ANSI == 1, return the ANSI name; |
219 | if OPTIONS & DMGL_ANSI == 0, return the old GNU name. */ | |
220 | ||
55838914 | 221 | char * |
8f793aa5 | 222 | cplus_mangle_opname (opname, options) |
55838914 | 223 | char *opname; |
8f793aa5 | 224 | int options; |
55838914 JK |
225 | { |
226 | int i, len = strlen (opname); | |
55838914 | 227 | |
8f793aa5 | 228 | for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++) |
55838914 JK |
229 | { |
230 | if (strlen (optable[i].out) == len | |
8f793aa5 | 231 | && (options & DMGL_ANSI) == (optable[i].flags & DMGL_ANSI) |
55838914 | 232 | && memcmp (optable[i].out, opname, len) == 0) |
e1ce8aa5 | 233 | return (char *)optable[i].in; |
55838914 | 234 | } |
55838914 JK |
235 | return 0; |
236 | } | |
237 | ||
8f793aa5 FF |
238 | /* char *cplus_demangle (const char *name, int options) |
239 | ||
240 | If NAME is a mangled function name produced by GNU C++, then | |
241 | a pointer to a malloced string giving a C++ representation | |
242 | of the name will be returned; otherwise NULL will be returned. | |
243 | It is the caller's responsibility to free the string which | |
244 | is returned. | |
245 | ||
246 | The OPTIONS arg may contain one or more of the following bits: | |
247 | ||
248 | DMGL_ANSI ANSI qualifiers such as `const' and `void' are | |
249 | included. | |
250 | DMGL_PARAMS Function parameters are included. | |
251 | ||
252 | For example, | |
253 | ||
254 | cplus_demangle ("foo__1Ai", DMGL_PARAMS) => "A::foo(int)" | |
255 | cplus_demangle ("foo__1Ai", DMGL_PARAMS | DMGL_ANSI) => "A::foo(int)" | |
256 | cplus_demangle ("foo__1Ai", 0) => "A::foo" | |
257 | ||
258 | cplus_demangle ("foo__1Afe", DMGL_PARAMS) => "A::foo(float,...)" | |
259 | cplus_demangle ("foo__1Afe", DMGL_PARAMS | DMGL_ANSI)=> "A::foo(float,...)" | |
260 | cplus_demangle ("foo__1Afe", 0) => "A::foo" | |
261 | */ | |
262 | ||
dd3b648e | 263 | char * |
8f793aa5 | 264 | cplus_demangle (type, options) |
dd3b648e | 265 | const char *type; |
8f793aa5 | 266 | int options; |
dd3b648e RP |
267 | { |
268 | string decl; | |
269 | int n; | |
270 | int success = 0; | |
271 | int constructor = 0; | |
4c53d9ca DHW |
272 | int destructor = 0; |
273 | int static_type = 0; | |
dd3b648e RP |
274 | int const_flag = 0; |
275 | int i; | |
f536aa39 | 276 | struct work_stuff work[1]; |
dd3b648e RP |
277 | const char *p; |
278 | #ifndef LONGERNAMES | |
279 | const char *premangle; | |
280 | #endif | |
281 | ||
8f793aa5 FF |
282 | # define PRINT_ANSI_QUALIFIERS (work->options & DMGL_ANSI) |
283 | # define PRINT_ARG_TYPES (work->options & DMGL_PARAMS) | |
dd3b648e RP |
284 | |
285 | if (type == NULL || *type == '\0') | |
286 | return NULL; | |
287 | #ifndef nounderscore | |
288 | if (*type++ != '_') | |
289 | return NULL; | |
290 | #endif | |
f536aa39 | 291 | |
8f793aa5 | 292 | work->options = options; |
f536aa39 PB |
293 | work->typevec = NULL; |
294 | work->ntypes = 0; | |
295 | work->typevec_size = 0; | |
296 | ||
dd3b648e RP |
297 | p = type; |
298 | while (*p != '\0' && !(*p == '_' && p[1] == '_')) | |
299 | p++; | |
300 | if (*p == '\0') | |
301 | { | |
302 | /* destructor */ | |
f88e7af8 | 303 | if (type[0] == '_' && type[1] == CPLUS_MARKER && type[2] == '_') |
dd3b648e | 304 | { |
0eb0a820 MT |
305 | int n; |
306 | char *tem; | |
307 | ||
308 | type += 3; /* Get past _$_ at front. */ | |
309 | while (isdigit (*type)) | |
310 | /* If there are digits at the front, it's because | |
311 | of new 2.0 name mangling. Just skip them. */ | |
312 | type++; | |
313 | ||
314 | n = strlen (type)*2 + 3 + 2 + 1; | |
315 | tem = (char *) xmalloc (n); | |
316 | strcpy (tem, type); | |
572acbbe | 317 | strcat (tem, "::~"); |
0eb0a820 | 318 | strcat (tem, type); |
8f793aa5 | 319 | if (PRINT_ARG_TYPES) |
572acbbe MT |
320 | strcat (tem, "()"); |
321 | return tem; | |
dd3b648e RP |
322 | } |
323 | /* static data member */ | |
572acbbe | 324 | if (*type != '_' && (p = strchr (type, CPLUS_MARKER)) != NULL) |
dd3b648e | 325 | { |
572acbbe MT |
326 | int n = strlen (type) + 2; |
327 | char *tem = (char *) xmalloc (n); | |
328 | memcpy (tem, type, p - type); | |
329 | strcpy (tem + (p - type), "::"); | |
330 | strcpy (tem + (p - type) + 2, p + 1); | |
331 | return tem; | |
dd3b648e | 332 | } |
572acbbe | 333 | /* virtual table "_vt$" */ |
f88e7af8 | 334 | if (type[0] == '_' && type[1] == 'v' && type[2] == 't' && type[3] == CPLUS_MARKER) |
dd3b648e | 335 | { |
572acbbe MT |
336 | int n = strlen (type + 4) + 14 + 1; |
337 | char *tem = (char *) xmalloc (n); | |
dd3b648e RP |
338 | strcpy (tem, type + 4); |
339 | strcat (tem, " virtual table"); | |
340 | return tem; | |
341 | } | |
342 | return NULL; | |
343 | } | |
344 | ||
345 | string_init (&decl); | |
346 | ||
4c53d9ca DHW |
347 | if (static_type) |
348 | { | |
349 | if (!isdigit (p[0]) && ('t' != p[0])) | |
350 | { | |
351 | string_delete (&decl); | |
352 | return NULL; | |
353 | } | |
354 | } | |
355 | else if (p == type) | |
dd3b648e | 356 | { |
572acbbe | 357 | if (!isdigit (p[2]) && ('t' != p[2])) |
dd3b648e | 358 | { |
572acbbe MT |
359 | p += 1; |
360 | while (*p != '\0' && !(*p == '_' && p[1] == '_')) | |
361 | p++; | |
1cca1729 MT |
362 | string_appendn (&decl, type, p - type); |
363 | string_need (&decl, 1); | |
572acbbe | 364 | *(decl.p) = '\0'; |
8f793aa5 | 365 | munge_function_name (&decl, work); /* options ?? */ |
572acbbe MT |
366 | if (decl.b[0] == '_') |
367 | { | |
368 | string_delete (&decl); | |
369 | return NULL; | |
370 | } | |
371 | else | |
372 | p += 2; | |
373 | } | |
374 | else | |
375 | { | |
376 | constructor = 1; | |
377 | p += 2; | |
dd3b648e | 378 | } |
dd3b648e RP |
379 | } |
380 | else | |
381 | { | |
382 | string_appendn (&decl, type, p - type); | |
1cca1729 | 383 | string_need (&decl, 1); |
572acbbe | 384 | *(decl.p) = '\0'; |
f536aa39 | 385 | munge_function_name (&decl, work); |
4c53d9ca | 386 | p += 2; |
dd3b648e | 387 | } |
dd3b648e RP |
388 | |
389 | #ifndef LONGERNAMES | |
390 | premangle = p; | |
391 | #endif | |
392 | switch (*p) | |
393 | { | |
f536aa39 PB |
394 | string class; |
395 | case 'Q': | |
396 | string_init (&class); | |
397 | n = p[1] - '0'; | |
398 | if (n < 0 || n > 9) | |
399 | success = 0; | |
400 | if (p[2] == '_') /* cfront style */ | |
401 | p += 1; | |
402 | p += 2; | |
403 | while (n-- > 0) | |
404 | { | |
405 | string tmp; | |
406 | do_type (&p, &tmp, work); | |
407 | string_appends (&class, &tmp); | |
408 | string_append (&class, "::"); | |
409 | if (n == 0 && (constructor || destructor)) | |
410 | { | |
411 | if (destructor) | |
412 | string_append(&class, "~"); | |
413 | string_appends (&class, &tmp); | |
414 | } | |
415 | string_delete (&tmp); | |
416 | } | |
417 | string_prependn (&decl, class.b, class.p - class.b); | |
418 | string_delete (&class); | |
419 | goto do_method_args; | |
dd3b648e RP |
420 | case 'C': |
421 | /* a const member function */ | |
422 | if (!isdigit (p[1])) | |
423 | { | |
424 | string_delete (&decl); | |
425 | return NULL; | |
426 | } | |
427 | p += 1; | |
428 | const_flag = 1; | |
429 | /* fall through */ | |
430 | case '0': | |
431 | case '1': | |
432 | case '2': | |
433 | case '3': | |
434 | case '4': | |
435 | case '5': | |
436 | case '6': | |
437 | case '7': | |
438 | case '8': | |
439 | case '9': | |
440 | n = 0; | |
441 | do | |
442 | { | |
443 | n *= 10; | |
444 | n += *p - '0'; | |
445 | p += 1; | |
446 | } | |
447 | while (isdigit (*p)); | |
448 | if (strlen (p) < n) | |
449 | { | |
450 | string_delete (&decl); | |
451 | return NULL; | |
452 | } | |
4c53d9ca | 453 | if (constructor || destructor) |
dd3b648e RP |
454 | { |
455 | string_appendn (&decl, p, n); | |
456 | string_append (&decl, "::"); | |
4c53d9ca DHW |
457 | if (destructor) |
458 | string_append(&decl, "~"); | |
dd3b648e RP |
459 | string_appendn (&decl, p, n); |
460 | } | |
461 | else | |
462 | { | |
463 | string_prepend (&decl, "::"); | |
464 | string_prependn (&decl, p, n); | |
465 | } | |
466 | p += n; | |
467 | #ifndef LONGERNAMES | |
f536aa39 | 468 | remember_type (premangle, p - premangle, work); |
dd3b648e | 469 | #endif |
f536aa39 | 470 | do_method_args: |
4c53d9ca DHW |
471 | if (static_type) |
472 | { | |
473 | string_append(&decl, p+1); | |
474 | p += strlen(p); | |
475 | success = 1; | |
476 | } | |
477 | else | |
f536aa39 | 478 | success = do_args (&p, &decl, work); |
8f793aa5 | 479 | if (const_flag && PRINT_ARG_TYPES) |
dd3b648e RP |
480 | string_append (&decl, " const"); |
481 | break; | |
482 | case 'F': | |
483 | p += 1; | |
f536aa39 | 484 | success = do_args (&p, &decl, work); |
dd3b648e | 485 | break; |
4c53d9ca DHW |
486 | /* template additions */ |
487 | case 't': | |
488 | p += 1; | |
489 | { | |
490 | int r, i; | |
4c53d9ca DHW |
491 | string tname; |
492 | string trawname; | |
493 | ||
494 | string temp; | |
495 | int need_comma = 0; | |
496 | ||
497 | string_init(&tname); | |
498 | string_init(&trawname); | |
499 | ||
500 | /* get template name */ | |
501 | if (!get_count (&p, &r)) | |
502 | return 0; | |
503 | string_appendn (&tname, p, r); | |
504 | string_appendn (&trawname, p, r); | |
505 | string_appendn (&trawname, "", 1); | |
506 | p += r; | |
507 | string_append (&tname, "<"); | |
508 | /* get size of template parameter list */ | |
509 | if (!get_count (&p, &r)) | |
510 | return 0; | |
511 | for (i = 0; i < r; i++) | |
512 | { | |
513 | if (need_comma) | |
514 | string_append (&tname, ", "); | |
515 | /* Z for type parameters */ | |
516 | if (*p == 'Z') | |
517 | { | |
518 | p += 1; | |
519 | ||
f536aa39 | 520 | success = do_type (&p, &temp, work); |
4c53d9ca DHW |
521 | string_appendn (&temp, "", 1); |
522 | if (success) | |
523 | string_append (&tname, temp.b); | |
524 | string_delete(&temp); | |
525 | if (!success) | |
526 | break; | |
527 | } | |
528 | /* otherwise, value parameter */ | |
529 | else | |
530 | { | |
531 | const char *old_p = p; | |
532 | int is_pointer = 0; | |
533 | int is_real = 0; | |
534 | int is_integral = 0; | |
535 | int done = 0; | |
536 | ||
f536aa39 | 537 | success = do_type (&p, &temp, work); |
4c53d9ca DHW |
538 | string_appendn (&temp, "", 1); |
539 | if (success) | |
540 | string_append (&tname, temp.b); | |
541 | string_delete(&temp); | |
542 | if (!success) | |
543 | break; | |
544 | string_append (&tname, "="); | |
545 | while (*old_p && !done) | |
546 | { | |
547 | switch (*old_p) | |
548 | { | |
549 | case 'P': | |
550 | case 'R': | |
551 | done = is_pointer = 1; | |
552 | break; | |
553 | case 'C': /* const */ | |
04f27ddc | 554 | case 'S': /* explicitly signed [char] */ |
4c53d9ca DHW |
555 | case 'U': /* unsigned */ |
556 | case 'V': /* volatile */ | |
557 | case 'F': /* function */ | |
558 | case 'M': /* member function */ | |
559 | case 'O': /* ??? */ | |
560 | old_p++; | |
561 | continue; | |
562 | case 'Q': /* repetition of following */ | |
563 | case 'T': /* remembered type */ | |
564 | abort(); | |
565 | break; | |
566 | case 'v': /* void */ | |
567 | abort(); | |
568 | break; | |
569 | case 'x': /* long long */ | |
570 | case 'l': /* long */ | |
571 | case 'i': /* int */ | |
572 | case 's': /* short */ | |
573 | case 'c': /* char */ | |
574 | done = is_integral = 1; | |
575 | break; | |
576 | case 'r': /* long double */ | |
577 | case 'd': /* double */ | |
578 | case 'f': /* float */ | |
579 | done = is_real = 1; | |
580 | break; | |
581 | default: | |
582 | abort(); | |
583 | } | |
584 | } | |
585 | if (is_integral) | |
586 | { | |
587 | if (*p == 'm') | |
588 | { | |
589 | string_appendn (&tname, "-", 1); | |
590 | p++; | |
591 | } | |
592 | while (isdigit (*p)) | |
593 | { | |
594 | string_appendn (&tname, p, 1); | |
595 | p++; | |
596 | } | |
597 | } | |
598 | else if (is_real) | |
599 | { | |
600 | if (*p == 'm') | |
601 | { | |
602 | string_appendn (&tname, "-", 1); | |
603 | p++; | |
604 | } | |
605 | while (isdigit (*p)) | |
606 | { | |
607 | string_appendn (&tname, p, 1); | |
608 | p++; | |
609 | } | |
610 | if (*p == '.') /* fraction */ | |
611 | { | |
612 | string_appendn (&tname, ".", 1); | |
613 | p++; | |
614 | while (isdigit (*p)) | |
615 | { | |
616 | string_appendn (&tname, p, 1); | |
617 | p++; | |
618 | } | |
619 | } | |
620 | if (*p == 'e') /* exponent */ | |
621 | { | |
622 | string_appendn (&tname, "e", 1); | |
623 | p++; | |
624 | while (isdigit (*p)) | |
625 | { | |
626 | string_appendn (&tname, p, 1); | |
627 | p++; | |
628 | } | |
629 | } | |
630 | } | |
631 | else if (is_pointer) | |
632 | { | |
633 | int symbol_len; | |
634 | ||
635 | if (!get_count (&p, &symbol_len)) | |
636 | { | |
637 | success = 0; | |
638 | break; | |
639 | } | |
640 | string_appendn (&tname, p, symbol_len); | |
641 | p += symbol_len; | |
642 | } | |
643 | } | |
644 | need_comma = 1; | |
645 | } | |
646 | string_append (&tname, ">::"); | |
647 | if (destructor) | |
648 | string_append(&tname, "~"); | |
649 | if (constructor || destructor) { | |
650 | string_append (&tname, trawname.b); | |
651 | } | |
652 | string_delete(&trawname); | |
653 | ||
654 | if (!success) { | |
655 | string_delete(&tname); | |
656 | return 0; | |
657 | } | |
658 | string_prepend (&decl, tname.b); | |
659 | string_delete(&tname); | |
660 | ||
661 | if (static_type) | |
662 | { | |
663 | string_append(&decl, p+1); | |
664 | p += strlen(p); | |
665 | success = 1; | |
666 | } | |
667 | else | |
f536aa39 | 668 | success = do_args (&p, &decl, work); |
4c53d9ca DHW |
669 | break; |
670 | } | |
dd3b648e RP |
671 | } |
672 | ||
f536aa39 PB |
673 | for (i = 0; i < work->ntypes; i++) |
674 | if (work->typevec[i] != NULL) | |
675 | free (work->typevec[i]); | |
676 | if (work->typevec != NULL) | |
677 | free ((char *)work->typevec); | |
dd3b648e RP |
678 | |
679 | if (success) | |
680 | { | |
681 | string_appendn (&decl, "", 1); | |
682 | return decl.b; | |
683 | } | |
684 | else | |
685 | { | |
686 | string_delete (&decl); | |
687 | return NULL; | |
688 | } | |
689 | } | |
690 | ||
691 | static int | |
692 | get_count (type, count) | |
693 | const char **type; | |
694 | int *count; | |
695 | { | |
696 | if (!isdigit (**type)) | |
697 | return 0; | |
698 | *count = **type - '0'; | |
699 | *type += 1; | |
700 | /* see flush_repeats in cplus-method.c */ | |
701 | if (isdigit (**type)) | |
702 | { | |
703 | const char *p = *type; | |
704 | int n = *count; | |
705 | do | |
706 | { | |
707 | n *= 10; | |
708 | n += *p - '0'; | |
709 | p += 1; | |
710 | } | |
711 | while (isdigit (*p)); | |
712 | if (*p == '_') | |
713 | { | |
714 | *type = p + 1; | |
715 | *count = n; | |
716 | } | |
717 | } | |
718 | return 1; | |
719 | } | |
720 | ||
721 | /* result will be initialised here; it will be freed on failure */ | |
722 | ||
723 | static int | |
f536aa39 | 724 | do_type (type, result, work) |
dd3b648e RP |
725 | const char **type; |
726 | string *result; | |
f536aa39 | 727 | struct work_stuff *work; |
dd3b648e RP |
728 | { |
729 | int n; | |
730 | int done; | |
731 | int non_empty = 0; | |
732 | int success; | |
733 | string decl; | |
734 | const char *remembered_type; | |
735 | ||
736 | string_init (&decl); | |
737 | string_init (result); | |
738 | ||
739 | done = 0; | |
740 | success = 1; | |
741 | while (success && !done) | |
742 | { | |
743 | int member; | |
744 | switch (**type) | |
745 | { | |
55838914 JK |
746 | case 'Q': |
747 | n = (*type)[1] - '0'; | |
748 | if (n < 0 || n > 9) | |
749 | success = 0; | |
f536aa39 PB |
750 | if ((*type)[2] == '_') /* cfront style */ |
751 | *type += 1; | |
55838914 JK |
752 | *type += 2; |
753 | while (n-- > 0) | |
f536aa39 | 754 | do_type (type, result, work); |
55838914 JK |
755 | break; |
756 | ||
dd3b648e RP |
757 | case 'P': |
758 | *type += 1; | |
759 | string_prepend (&decl, "*"); | |
760 | break; | |
761 | ||
762 | case 'R': | |
763 | *type += 1; | |
764 | string_prepend (&decl, "&"); | |
765 | break; | |
766 | ||
767 | case 'T': | |
768 | *type += 1; | |
f536aa39 | 769 | if (!get_count (type, &n) || n >= work->ntypes) |
dd3b648e RP |
770 | success = 0; |
771 | else | |
772 | { | |
f536aa39 | 773 | remembered_type = work->typevec[n]; |
dd3b648e RP |
774 | type = &remembered_type; |
775 | } | |
776 | break; | |
777 | ||
778 | case 'F': | |
779 | *type += 1; | |
780 | if (!string_empty (&decl) && decl.b[0] == '*') | |
781 | { | |
782 | string_prepend (&decl, "("); | |
783 | string_append (&decl, ")"); | |
784 | } | |
8f793aa5 FF |
785 | /* After picking off the function args, we expect to either find the |
786 | function type (preceded by an '_') or the end of the string. */ | |
787 | if (!do_args (type, &decl, work) | |
788 | || (**type != '_' && **type != '\0')) | |
dd3b648e | 789 | success = 0; |
8f793aa5 | 790 | if (success && (**type == '_')) |
dd3b648e RP |
791 | *type += 1; |
792 | break; | |
793 | ||
794 | case 'M': | |
795 | case 'O': | |
796 | { | |
797 | int constp = 0; | |
798 | int volatilep = 0; | |
799 | ||
800 | member = **type == 'M'; | |
801 | *type += 1; | |
802 | if (!isdigit (**type)) | |
803 | { | |
804 | success = 0; | |
805 | break; | |
806 | } | |
807 | n = 0; | |
808 | do | |
809 | { | |
810 | n *= 10; | |
811 | n += **type - '0'; | |
812 | *type += 1; | |
813 | } | |
814 | while (isdigit (**type)); | |
815 | if (strlen (*type) < n) | |
816 | { | |
817 | success = 0; | |
818 | break; | |
819 | } | |
820 | string_append (&decl, ")"); | |
821 | string_prepend (&decl, "::"); | |
822 | string_prependn (&decl, *type, n); | |
823 | string_prepend (&decl, "("); | |
824 | *type += n; | |
825 | if (member) | |
826 | { | |
827 | if (**type == 'C') | |
828 | { | |
829 | *type += 1; | |
830 | constp = 1; | |
831 | } | |
832 | if (**type == 'V') | |
833 | { | |
834 | *type += 1; | |
835 | volatilep = 1; | |
836 | } | |
837 | if (*(*type)++ != 'F') | |
838 | { | |
839 | success = 0; | |
840 | break; | |
841 | } | |
842 | } | |
f536aa39 | 843 | if ((member && !do_args (type, &decl, work)) || **type != '_') |
dd3b648e RP |
844 | { |
845 | success = 0; | |
846 | break; | |
847 | } | |
848 | *type += 1; | |
8f793aa5 | 849 | if (! PRINT_ANSI_QUALIFIERS) |
dd3b648e RP |
850 | break; |
851 | if (constp) | |
852 | { | |
853 | if (non_empty) | |
854 | string_append (&decl, " "); | |
855 | else | |
856 | non_empty = 1; | |
857 | string_append (&decl, "const"); | |
858 | } | |
859 | if (volatilep) | |
860 | { | |
861 | if (non_empty) | |
862 | string_append (&decl, " "); | |
863 | else | |
864 | non_empty = 1; | |
865 | string_append (&decl, "volatile"); | |
866 | } | |
867 | break; | |
868 | } | |
869 | ||
870 | case 'C': | |
871 | if ((*type)[1] == 'P') | |
872 | { | |
873 | *type += 1; | |
8f793aa5 | 874 | if (PRINT_ANSI_QUALIFIERS) |
dd3b648e RP |
875 | { |
876 | if (!string_empty (&decl)) | |
877 | string_prepend (&decl, " "); | |
878 | string_prepend (&decl, "const"); | |
879 | } | |
880 | break; | |
881 | } | |
882 | ||
883 | /* fall through */ | |
884 | default: | |
885 | done = 1; | |
886 | break; | |
887 | } | |
888 | } | |
889 | ||
890 | done = 0; | |
891 | non_empty = 0; | |
892 | while (success && !done) | |
893 | { | |
894 | switch (**type) | |
895 | { | |
896 | case 'C': | |
897 | *type += 1; | |
8f793aa5 | 898 | if (PRINT_ANSI_QUALIFIERS) |
dd3b648e RP |
899 | { |
900 | if (non_empty) | |
901 | string_append (result, " "); | |
902 | else | |
903 | non_empty = 1; | |
904 | string_append (result, "const"); | |
905 | } | |
906 | break; | |
907 | case 'U': | |
908 | *type += 1; | |
909 | if (non_empty) | |
910 | string_append (result, " "); | |
911 | else | |
912 | non_empty = 1; | |
913 | string_append (result, "unsigned"); | |
914 | break; | |
04f27ddc PB |
915 | case 'S': /* signed char only */ |
916 | *type += 1; | |
917 | if (non_empty) | |
918 | string_append (result, " "); | |
919 | else | |
920 | non_empty = 1; | |
921 | string_append (result, "signed"); | |
922 | break; | |
dd3b648e RP |
923 | case 'V': |
924 | *type += 1; | |
8f793aa5 | 925 | if (PRINT_ANSI_QUALIFIERS) |
dd3b648e RP |
926 | { |
927 | if (non_empty) | |
928 | string_append (result, " "); | |
929 | else | |
930 | non_empty = 1; | |
931 | string_append (result, "volatile"); | |
932 | } | |
933 | break; | |
934 | default: | |
935 | done = 1; | |
936 | break; | |
937 | } | |
938 | } | |
939 | ||
940 | if (success) | |
941 | switch (**type) | |
942 | { | |
943 | case '\0': | |
944 | case '_': | |
945 | break; | |
946 | case 'v': | |
947 | *type += 1; | |
948 | if (non_empty) | |
949 | string_append (result, " "); | |
950 | string_append (result, "void"); | |
951 | break; | |
952 | case 'x': | |
953 | *type += 1; | |
954 | if (non_empty) | |
955 | string_append (result, " "); | |
956 | string_append (result, "long long"); | |
957 | break; | |
958 | case 'l': | |
959 | *type += 1; | |
960 | if (non_empty) | |
961 | string_append (result, " "); | |
962 | string_append (result, "long"); | |
963 | break; | |
964 | case 'i': | |
965 | *type += 1; | |
966 | if (non_empty) | |
967 | string_append (result, " "); | |
968 | string_append (result, "int"); | |
969 | break; | |
970 | case 's': | |
971 | *type += 1; | |
972 | if (non_empty) | |
973 | string_append (result, " "); | |
974 | string_append (result, "short"); | |
975 | break; | |
976 | case 'c': | |
977 | *type += 1; | |
978 | if (non_empty) | |
979 | string_append (result, " "); | |
980 | string_append (result, "char"); | |
981 | break; | |
982 | case 'r': | |
983 | *type += 1; | |
984 | if (non_empty) | |
985 | string_append (result, " "); | |
986 | string_append (result, "long double"); | |
987 | break; | |
988 | case 'd': | |
989 | *type += 1; | |
990 | if (non_empty) | |
991 | string_append (result, " "); | |
992 | string_append (result, "double"); | |
993 | break; | |
994 | case 'f': | |
995 | *type += 1; | |
996 | if (non_empty) | |
997 | string_append (result, " "); | |
998 | string_append (result, "float"); | |
999 | break; | |
1000 | case 'G': | |
1001 | *type += 1; | |
1002 | if (!isdigit (**type)) | |
1003 | { | |
1004 | success = 0; | |
1005 | break; | |
1006 | } | |
1007 | /* fall through */ | |
1008 | case '0': | |
1009 | case '1': | |
1010 | case '2': | |
1011 | case '3': | |
1012 | case '4': | |
1013 | case '5': | |
1014 | case '6': | |
1015 | case '7': | |
1016 | case '8': | |
1017 | case '9': | |
1018 | n = 0; | |
1019 | do | |
1020 | { | |
1021 | n *= 10; | |
1022 | n += **type - '0'; | |
1023 | *type += 1; | |
1024 | } | |
1025 | while (isdigit (**type)); | |
1026 | if (strlen (*type) < n) | |
1027 | { | |
1028 | success = 0; | |
1029 | break; | |
1030 | } | |
1031 | if (non_empty) | |
1032 | string_append (result, " "); | |
1033 | string_appendn (result, *type, n); | |
1034 | *type += n; | |
1035 | break; | |
1036 | default: | |
1037 | success = 0; | |
1038 | break; | |
1039 | } | |
1040 | ||
1041 | if (success) | |
1042 | { | |
1043 | if (!string_empty (&decl)) | |
1044 | { | |
1045 | string_append (result, " "); | |
1046 | string_appends (result, &decl); | |
1047 | } | |
1048 | string_delete (&decl); | |
1049 | return 1; | |
1050 | } | |
1051 | else | |
1052 | { | |
1053 | string_delete (&decl); | |
1054 | string_delete (result); | |
1055 | return 0; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | /* `result' will be initialised in do_type; it will be freed on failure */ | |
1060 | ||
1061 | static int | |
f536aa39 | 1062 | do_arg (type, result, work) |
dd3b648e RP |
1063 | const char **type; |
1064 | string *result; | |
f536aa39 | 1065 | struct work_stuff *work; |
dd3b648e RP |
1066 | { |
1067 | const char *start = *type; | |
1068 | ||
f536aa39 | 1069 | if (!do_type (type, result, work)) |
dd3b648e | 1070 | return 0; |
f536aa39 | 1071 | remember_type (start, *type - start, work); |
dd3b648e RP |
1072 | return 1; |
1073 | } | |
1074 | ||
1075 | static void | |
f536aa39 | 1076 | remember_type (start, len, work) |
dd3b648e RP |
1077 | const char *start; |
1078 | int len; | |
f536aa39 | 1079 | struct work_stuff *work; |
dd3b648e RP |
1080 | { |
1081 | char *tem; | |
1082 | ||
f536aa39 | 1083 | if (work->ntypes >= work->typevec_size) |
dd3b648e | 1084 | { |
f536aa39 | 1085 | if (work->typevec_size == 0) |
dd3b648e | 1086 | { |
f536aa39 PB |
1087 | work->typevec_size = 3; |
1088 | work->typevec = (char **) xmalloc (sizeof (char*)*work->typevec_size); | |
dd3b648e RP |
1089 | } |
1090 | else | |
1091 | { | |
f536aa39 PB |
1092 | work->typevec_size *= 2; |
1093 | work->typevec = (char **) xrealloc ((char *)work->typevec, sizeof (char*)*work->typevec_size); | |
dd3b648e RP |
1094 | } |
1095 | } | |
1096 | tem = (char *) xmalloc (len + 1); | |
1097 | memcpy (tem, start, len); | |
1098 | tem[len] = '\0'; | |
f536aa39 | 1099 | work->typevec[work->ntypes++] = tem; |
dd3b648e RP |
1100 | } |
1101 | ||
1102 | /* `decl' must be already initialised, usually non-empty; | |
1103 | it won't be freed on failure */ | |
1104 | ||
1105 | static int | |
f536aa39 | 1106 | do_args (type, decl, work) |
dd3b648e RP |
1107 | const char **type; |
1108 | string *decl; | |
f536aa39 | 1109 | struct work_stuff *work; |
dd3b648e RP |
1110 | { |
1111 | string arg; | |
1112 | int need_comma = 0; | |
1113 | ||
8f793aa5 | 1114 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1115 | string_append (decl, "("); |
1116 | ||
1117 | while (**type != '_' && **type != '\0' && **type != 'e' && **type != 'v') | |
1118 | { | |
1119 | if (**type == 'N') | |
1120 | { | |
1121 | int r; | |
1122 | int t; | |
1123 | *type += 1; | |
f536aa39 | 1124 | if (!get_count (type, &r) || !get_count (type, &t) || t >= work->ntypes) |
dd3b648e RP |
1125 | return 0; |
1126 | while (--r >= 0) | |
1127 | { | |
f536aa39 | 1128 | const char *tem = work->typevec[t]; |
8f793aa5 | 1129 | if (need_comma && PRINT_ARG_TYPES) |
dd3b648e | 1130 | string_append (decl, ", "); |
f536aa39 | 1131 | if (!do_arg (&tem, &arg, work)) |
dd3b648e | 1132 | return 0; |
8f793aa5 | 1133 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1134 | string_appends (decl, &arg); |
1135 | string_delete (&arg); | |
1136 | need_comma = 1; | |
1137 | } | |
1138 | } | |
1139 | else | |
1140 | { | |
8f793aa5 | 1141 | if (need_comma & PRINT_ARG_TYPES) |
dd3b648e | 1142 | string_append (decl, ", "); |
f536aa39 | 1143 | if (!do_arg (type, &arg, work)) |
dd3b648e | 1144 | return 0; |
8f793aa5 | 1145 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1146 | string_appends (decl, &arg); |
1147 | string_delete (&arg); | |
1148 | need_comma = 1; | |
1149 | } | |
1150 | } | |
1151 | ||
1152 | if (**type == 'v') | |
1153 | *type += 1; | |
1154 | else if (**type == 'e') | |
1155 | { | |
1156 | *type += 1; | |
8f793aa5 | 1157 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1158 | { |
1159 | if (need_comma) | |
1160 | string_append (decl, ","); | |
1161 | string_append (decl, "..."); | |
1162 | } | |
1163 | } | |
1164 | ||
8f793aa5 | 1165 | if (PRINT_ARG_TYPES) |
dd3b648e RP |
1166 | string_append (decl, ")"); |
1167 | return 1; | |
1168 | } | |
1169 | ||
1170 | static void | |
f536aa39 | 1171 | munge_function_name (name, work) |
dd3b648e | 1172 | string *name; |
f536aa39 | 1173 | struct work_stuff *work; |
dd3b648e | 1174 | { |
572acbbe MT |
1175 | if (string_empty (name)) |
1176 | return; | |
1177 | ||
1178 | if (name->p - name->b >= 3 | |
f88e7af8 | 1179 | && name->b[0] == 'o' && name->b[1] == 'p' && name->b[2] == CPLUS_MARKER) |
dd3b648e RP |
1180 | { |
1181 | int i; | |
1182 | /* see if it's an assignment expression */ | |
1183 | if (name->p - name->b >= 10 /* op$assign_ */ | |
1184 | && memcmp (name->b + 3, "assign_", 7) == 0) | |
1185 | { | |
1186 | for (i = 0; i < sizeof (optable)/sizeof (optable[0]); i++) | |
1187 | { | |
1188 | int len = name->p - name->b - 10; | |
1189 | if (strlen (optable[i].in) == len | |
1190 | && memcmp (optable[i].in, name->b + 10, len) == 0) | |
1191 | { | |
1192 | string_clear (name); | |
1193 | string_append (name, "operator"); | |
1194 | string_append (name, optable[i].out); | |
1195 | string_append (name, "="); | |
1196 | return; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | else | |
1201 | { | |
1202 | for (i = 0; i < sizeof (optable)/sizeof (optable[0]); i++) | |
1203 | { | |
1204 | int len = name->p - name->b - 3; | |
1205 | if (strlen (optable[i].in) == len | |
1206 | && memcmp (optable[i].in, name->b + 3, len) == 0) | |
1207 | { | |
1208 | string_clear (name); | |
1209 | string_append (name, "operator"); | |
1210 | string_append (name, optable[i].out); | |
1211 | return; | |
1212 | } | |
1213 | } | |
1214 | } | |
1215 | return; | |
1216 | } | |
572acbbe | 1217 | else if (name->p - name->b >= 5 && memcmp (name->b, "type$", 5) == 0) |
dd3b648e RP |
1218 | { |
1219 | /* type conversion operator */ | |
1220 | string type; | |
1221 | const char *tem = name->b + 5; | |
f536aa39 | 1222 | if (do_type (&tem, &type, work)) |
dd3b648e RP |
1223 | { |
1224 | string_clear (name); | |
1225 | string_append (name, "operator "); | |
1226 | string_appends (name, &type); | |
1227 | string_delete (&type); | |
1228 | return; | |
1229 | } | |
1230 | } | |
572acbbe MT |
1231 | /* ANSI. */ |
1232 | else if (name->b[2] == 'o' && name->b[3] == 'p') | |
1233 | { | |
1234 | /* type conversion operator. */ | |
1235 | string type; | |
1236 | const char *tem = name->b + 4; | |
f536aa39 | 1237 | if (do_type (&tem, &type, work)) |
572acbbe MT |
1238 | { |
1239 | string_clear (name); | |
1240 | string_append (name, "operator "); | |
1241 | string_appends (name, &type); | |
1242 | string_delete (&type); | |
1243 | return; | |
1244 | } | |
1245 | } | |
1246 | else if (name->b[0] == '_' && name->b[1] == '_' | |
1247 | && name->b[2] >= 'a' && name->b[2] <= 'z' | |
1248 | && name->b[3] >= 'a' && name->b[3] <= 'z') | |
1249 | { | |
1250 | int i; | |
1251 | ||
1252 | if (name->b[4] == '\0') | |
1253 | { | |
1254 | /* Operator. */ | |
1255 | for (i = 0; i < sizeof (optable)/sizeof (optable[0]); i++) | |
1256 | { | |
1257 | if (strlen (optable[i].in) == 2 | |
1258 | && memcmp (optable[i].in, name->b + 2, 2) == 0) | |
1259 | { | |
1260 | string_clear (name); | |
1261 | string_append (name, "operator"); | |
1262 | string_append (name, optable[i].out); | |
1263 | return; | |
1264 | } | |
1265 | } | |
1266 | } | |
1267 | else | |
1268 | { | |
1269 | if (name->b[2] != 'a' || name->b[5] != '\0') | |
1270 | return; | |
1271 | /* Assignment. */ | |
1272 | for (i = 0; i < sizeof (optable)/sizeof (optable[0]); i++) | |
1273 | { | |
1274 | if (strlen (optable[i].in) == 3 | |
1275 | && memcmp (optable[i].in, name->b + 2, 3) == 0) | |
1276 | { | |
1277 | string_clear (name); | |
1278 | string_append (name, "operator"); | |
1279 | string_append (name, optable[i].out); | |
1280 | return; | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | } | |
dd3b648e RP |
1285 | } |
1286 | ||
1287 | /* a mini string-handling package */ | |
1288 | ||
1289 | static void | |
1290 | string_need (s, n) | |
1291 | string *s; | |
1292 | int n; | |
1293 | { | |
1294 | if (s->b == NULL) | |
1295 | { | |
1296 | if (n < 32) | |
1297 | n = 32; | |
1298 | s->p = s->b = (char *) xmalloc (n); | |
1299 | s->e = s->b + n; | |
1300 | } | |
1301 | else if (s->e - s->p < n) | |
1302 | { | |
1303 | int tem = s->p - s->b; | |
1304 | n += tem; | |
1305 | n *= 2; | |
1306 | s->b = (char *) xrealloc (s->b, n); | |
1307 | s->p = s->b + tem; | |
1308 | s->e = s->b + n; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | static void | |
1313 | string_delete (s) | |
1314 | string *s; | |
1315 | { | |
1316 | if (s->b != NULL) | |
1317 | { | |
1318 | free (s->b); | |
1319 | s->b = s->e = s->p = NULL; | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | static void | |
1324 | string_init (s) | |
1325 | string *s; | |
1326 | { | |
1327 | s->b = s->p = s->e = NULL; | |
1328 | } | |
1329 | ||
1330 | static void | |
1331 | string_clear (s) | |
1332 | string *s; | |
1333 | { | |
1334 | s->p = s->b; | |
1335 | } | |
1336 | ||
1337 | static int | |
1338 | string_empty (s) | |
1339 | string *s; | |
1340 | { | |
1341 | return s->b == s->p; | |
1342 | } | |
1343 | ||
1344 | static void | |
1345 | string_append (p, s) | |
1346 | string *p; | |
1347 | const char *s; | |
1348 | { | |
1349 | int n; | |
1350 | if (s == NULL || *s == '\0') | |
1351 | return; | |
1352 | n = strlen (s); | |
1353 | string_need (p, n); | |
1354 | memcpy (p->p, s, n); | |
1355 | p->p += n; | |
1356 | } | |
1357 | ||
1358 | static void | |
1359 | string_appends (p, s) | |
1360 | string *p, *s; | |
1361 | { | |
1362 | int n; | |
1363 | if (s->b == s->p) | |
1364 | return; | |
1365 | n = s->p - s->b; | |
1366 | string_need (p, n); | |
1367 | memcpy (p->p, s->b, n); | |
1368 | p->p += n; | |
1369 | } | |
1370 | ||
1371 | static void | |
1372 | string_appendn (p, s, n) | |
1373 | string *p; | |
1374 | const char *s; | |
1375 | int n; | |
1376 | { | |
1377 | if (n == 0) | |
1378 | return; | |
1379 | string_need (p, n); | |
1380 | memcpy (p->p, s, n); | |
1381 | p->p += n; | |
1382 | } | |
1383 | ||
1384 | static void | |
1385 | string_prepend (p, s) | |
1386 | string *p; | |
1387 | const char *s; | |
1388 | { | |
1389 | if (s == NULL || *s == '\0') | |
1390 | return; | |
1391 | string_prependn (p, s, strlen (s)); | |
1392 | } | |
1393 | ||
1394 | #if 0 | |
1395 | static void | |
1396 | string_prepends (p, s) | |
1397 | string *p, *s; | |
1398 | { | |
1399 | if (s->b == s->p) | |
1400 | return; | |
1401 | string_prependn (p, s->b, s->p - s->b); | |
1402 | } | |
1403 | #endif | |
1404 | ||
1405 | static void | |
1406 | string_prependn (p, s, n) | |
1407 | string *p; | |
1408 | const char *s; | |
1409 | int n; | |
1410 | { | |
1411 | char *q; | |
1412 | ||
1413 | if (n == 0) | |
1414 | return; | |
1415 | string_need (p, n); | |
1416 | for (q = p->p - 1; q >= p->b; q--) | |
1417 | q[n] = q[0]; | |
1418 | memcpy (p->b, s, n); | |
1419 | p->p += n; | |
1420 | } |