c36e914d |
1 | |
39b168b8 |
2 | struct parsed_proto; |
3 | |
3ebea2cf |
4 | struct parsed_type { |
5 | char *name; |
6 | unsigned int is_array:1; |
7 | unsigned int is_ptr:1; |
a652aa9f |
8 | unsigned int is_struct:1; // split for args |
3ebea2cf |
9 | }; |
10 | |
39b168b8 |
11 | struct parsed_proto_arg { |
12 | char *reg; |
3ebea2cf |
13 | struct parsed_type type; |
39b168b8 |
14 | struct parsed_proto *fptr; |
15 | void *datap; |
16 | }; |
17 | |
c36e914d |
18 | struct parsed_proto { |
39b168b8 |
19 | char name[256]; |
3ebea2cf |
20 | union { |
21 | struct parsed_type ret_type; |
22 | struct parsed_type type; |
23 | }; |
39b168b8 |
24 | struct parsed_proto_arg arg[16]; |
c36e914d |
25 | int argc; |
26 | int argc_stack; |
27 | int argc_reg; |
06c5d854 |
28 | unsigned int is_func:1; |
39b168b8 |
29 | unsigned int is_stdcall:1; |
7ba45c34 |
30 | unsigned int is_vararg:1; |
39b168b8 |
31 | unsigned int is_fptr:1; |
e56ab892 |
32 | unsigned int is_noreturn:1; |
a652aa9f |
33 | unsigned int has_structarg:1; |
c36e914d |
34 | }; |
35 | |
36 | static const char *hdrfn; |
37 | static int hdrfline = 0; |
38 | |
a652aa9f |
39 | static void pp_copy_arg(struct parsed_proto_arg *d, |
40 | const struct parsed_proto_arg *s); |
41 | |
bd96f656 |
42 | static int b_pp_c_handler(char *proto, const char *fname); |
43 | |
44 | static int do_protostrs(FILE *fhdr, const char *fname) |
c36e914d |
45 | { |
06c5d854 |
46 | const char *finc_name; |
bd96f656 |
47 | const char *hdrfn_saved; |
48 | char protostr[256]; |
36595fd2 |
49 | char path[256]; |
50 | char fname_inc[256]; |
39b168b8 |
51 | FILE *finc; |
c36e914d |
52 | int line = 0; |
39b168b8 |
53 | int ret; |
c36e914d |
54 | char *p; |
55 | |
bd96f656 |
56 | hdrfn_saved = hdrfn; |
57 | hdrfn = fname; |
39b168b8 |
58 | |
bd96f656 |
59 | while (fgets(protostr, sizeof(protostr), fhdr)) |
c36e914d |
60 | { |
61 | line++; |
bd96f656 |
62 | if (strncmp(protostr, "//#include ", 11) == 0) { |
63 | finc_name = protostr + 11; |
06c5d854 |
64 | p = strpbrk(finc_name, "\r\n "); |
39b168b8 |
65 | if (p != NULL) |
66 | *p = 0; |
67 | |
36595fd2 |
68 | path[0] = 0; |
69 | p = strrchr(hdrfn_saved, '/'); |
70 | if (p) { |
71 | memcpy(path, hdrfn_saved, |
72 | p - hdrfn_saved + 1); |
73 | path[p - hdrfn_saved + 1] = 0; |
74 | } |
75 | snprintf(fname_inc, sizeof(fname_inc), "%s%s", |
76 | path, finc_name); |
77 | finc = fopen(fname_inc, "r"); |
39b168b8 |
78 | if (finc == NULL) { |
79 | printf("%s:%d: can't open '%s'\n", |
36595fd2 |
80 | fname_inc, line, finc_name); |
39b168b8 |
81 | continue; |
82 | } |
bd96f656 |
83 | ret = do_protostrs(finc, finc_name); |
39b168b8 |
84 | fclose(finc); |
bd96f656 |
85 | if (ret < 0) |
39b168b8 |
86 | break; |
87 | continue; |
88 | } |
bd96f656 |
89 | if (strncmp(sskip(protostr), "//", 2) == 0) |
90 | continue; |
91 | |
92 | p = protostr + strlen(protostr); |
93 | for (p--; p >= protostr && my_isblank(*p); --p) |
94 | *p = 0; |
95 | if (p < protostr) |
06c5d854 |
96 | continue; |
39b168b8 |
97 | |
bd96f656 |
98 | hdrfline = line; |
99 | |
100 | ret = b_pp_c_handler(protostr, hdrfn); |
101 | if (ret < 0) |
c36e914d |
102 | break; |
103 | } |
c36e914d |
104 | |
bd96f656 |
105 | hdrfn = hdrfn_saved; |
c36e914d |
106 | |
bd96f656 |
107 | if (feof(fhdr)) |
108 | return 0; |
c36e914d |
109 | |
bd96f656 |
110 | return -1; |
c36e914d |
111 | } |
112 | |
113 | static int get_regparm(char *dst, size_t dlen, char *p) |
114 | { |
115 | int i, o; |
116 | |
117 | if (*p != '<') |
118 | return 0; |
119 | |
120 | for (o = 0, i = 1; o < dlen; i++) { |
121 | if (p[i] == 0) |
122 | return 0; |
123 | if (p[i] == '>') |
124 | break; |
125 | dst[o++] = p[i]; |
126 | } |
127 | dst[o] = 0; |
128 | return i + 1; |
129 | } |
130 | |
131 | // hmh.. |
64c59faf |
132 | static const char *known_type_mod[] = { |
133 | "const", |
134 | "signed", |
135 | "unsigned", |
3ebea2cf |
136 | "struct", |
137 | "enum", |
840257f6 |
138 | "CONST", |
64c59faf |
139 | }; |
140 | |
3ebea2cf |
141 | static const char *known_ptr_types[] = { |
e56ab892 |
142 | "HACCEL", |
c36e914d |
143 | "HANDLE", |
e56ab892 |
144 | "HBITMAP", |
145 | "HCURSOR", |
3ebea2cf |
146 | "HDC", |
a652aa9f |
147 | "HFONT", |
3ebea2cf |
148 | "HGDIOBJ", |
e56ab892 |
149 | "HGLOBAL", |
150 | "HINSTANCE", |
1cd4a663 |
151 | "HIMC", |
e56ab892 |
152 | "HMODULE", |
153 | "HRGN", |
154 | "HRSRC", |
155 | "HKEY", |
156 | "HMENU", |
157 | "HWND", |
a2c1d768 |
158 | "PCRITICAL_SECTION", |
3ebea2cf |
159 | "PDWORD", |
94d447fb |
160 | "PHKEY", |
161 | "PLONG", |
a2c1d768 |
162 | "PMEMORY_BASIC_INFORMATION", |
46411e6c |
163 | "PUINT", |
3ebea2cf |
164 | "PVOID", |
165 | "PCVOID", |
e56ab892 |
166 | "DLGPROC", |
cdfaeed7 |
167 | "TIMERPROC", |
168 | "WNDENUMPROC", |
4f12f671 |
169 | "va_list", |
170 | "__VALIST", |
3ebea2cf |
171 | }; |
172 | |
173 | static const char *ignored_keywords[] = { |
174 | "extern", |
175 | "WINBASEAPI", |
176 | "WINUSERAPI", |
4f12f671 |
177 | "WINGDIAPI", |
178 | "WINADVAPI", |
c36e914d |
179 | }; |
180 | |
64c59faf |
181 | // returns ptr to char after type ends |
3ebea2cf |
182 | static int typecmp(const char *n, const char *t) |
39b168b8 |
183 | { |
184 | for (; *t != 0; n++, t++) { |
185 | while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*')) |
186 | n++; |
187 | while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*')) |
188 | t++; |
189 | if (*n != *t) |
3ebea2cf |
190 | return *n - *t; |
39b168b8 |
191 | } |
192 | |
3ebea2cf |
193 | return 0; |
39b168b8 |
194 | } |
195 | |
3ebea2cf |
196 | static const char *skip_type_mod(const char *n) |
c36e914d |
197 | { |
64c59faf |
198 | int len; |
39b168b8 |
199 | int i; |
c36e914d |
200 | |
64c59faf |
201 | for (i = 0; i < ARRAY_SIZE(known_type_mod); i++) { |
202 | len = strlen(known_type_mod[i]); |
203 | if (strncmp(n, known_type_mod[i], len) != 0) |
204 | continue; |
bd96f656 |
205 | if (!my_isblank(n[len])) |
206 | continue; |
64c59faf |
207 | |
208 | n += len; |
209 | while (my_isblank(*n)) |
210 | n++; |
211 | i = 0; |
212 | } |
213 | |
3ebea2cf |
214 | return n; |
215 | } |
216 | |
217 | static int check_type(const char *name, struct parsed_type *type) |
218 | { |
219 | const char *n, *n1; |
220 | int ret = -1; |
221 | int i; |
222 | |
223 | n = skip_type_mod(name); |
224 | |
225 | for (i = 0; i < ARRAY_SIZE(known_ptr_types); i++) { |
226 | if (typecmp(n, known_ptr_types[i])) |
64c59faf |
227 | continue; |
228 | |
3ebea2cf |
229 | type->is_ptr = 1; |
230 | break; |
c36e914d |
231 | } |
232 | |
a652aa9f |
233 | if (n[0] == 'L' && n[1] == 'P' && strncmp(n, "LPARAM", 6)) |
3ebea2cf |
234 | type->is_ptr = 1; |
235 | |
236 | // assume single word |
237 | while (!my_isblank(*n) && !my_issep(*n)) |
238 | n++; |
239 | |
240 | while (1) { |
241 | n1 = n; |
242 | while (my_isblank(*n)) |
243 | n++; |
244 | if (*n == '*') { |
245 | type->is_ptr = 1; |
246 | n++; |
247 | continue; |
248 | } |
249 | break; |
250 | } |
251 | |
252 | ret = n1 - name; |
253 | type->name = strndup(name, ret); |
a2c1d768 |
254 | if (IS(type->name, "VOID")) |
255 | memcpy(type->name, "void", 4); |
256 | |
3ebea2cf |
257 | return ret; |
c36e914d |
258 | } |
259 | |
260 | /* args are always expanded to 32bit */ |
261 | static const char *map_reg(const char *reg) |
262 | { |
263 | const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" }; |
264 | const char *regs_w[] = { "ax", "bx", "cx", "dx", "si", "di" }; |
265 | const char *regs_b[] = { "al", "bl", "cl", "dl" }; |
266 | int i; |
267 | |
268 | for (i = 0; i < ARRAY_SIZE(regs_w); i++) |
269 | if (IS(reg, regs_w[i])) |
270 | return regs_f[i]; |
271 | |
272 | for (i = 0; i < ARRAY_SIZE(regs_b); i++) |
273 | if (IS(reg, regs_b[i])) |
274 | return regs_f[i]; |
275 | |
276 | return reg; |
277 | } |
278 | |
a652aa9f |
279 | static int check_struct_arg(struct parsed_proto_arg *arg) |
280 | { |
281 | if (IS(arg->type.name, "POINT")) |
282 | return 2 - 1; |
283 | |
284 | return 0; |
285 | } |
286 | |
c36e914d |
287 | static int parse_protostr(char *protostr, struct parsed_proto *pp) |
288 | { |
39b168b8 |
289 | struct parsed_proto_arg *arg; |
c36e914d |
290 | char regparm[16]; |
291 | char buf[256]; |
292 | char cconv[32]; |
c36e914d |
293 | int xarg = 0; |
39b168b8 |
294 | char *p, *p1; |
3ebea2cf |
295 | int i, l; |
c36e914d |
296 | int ret; |
c36e914d |
297 | |
06c5d854 |
298 | p = sskip(protostr); |
c36e914d |
299 | if (p[0] == '/' && p[1] == '/') { |
06c5d854 |
300 | printf("%s:%d: commented out?\n", hdrfn, hdrfline); |
c36e914d |
301 | p = sskip(p + 2); |
302 | } |
303 | |
06c5d854 |
304 | // strip unneeded stuff |
305 | for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) { |
306 | if ((p1[0] == '/' && p1[1] == '*') |
307 | || (p1[0] == '*' && p1[1] == '/')) |
308 | p1[0] = p1[1] = ' '; |
309 | } |
310 | |
e56ab892 |
311 | if (!strncmp(p, "DECLSPEC_NORETURN ", 18)) { |
312 | pp->is_noreturn = 1; |
313 | p = sskip(p + 18); |
314 | } |
315 | |
3ebea2cf |
316 | for (i = 0; i < ARRAY_SIZE(ignored_keywords); i++) { |
317 | l = strlen(ignored_keywords[i]); |
318 | if (!strncmp(p, ignored_keywords[i], l) && my_isblank(p[l])) |
319 | p = sskip(p + l + 1); |
320 | } |
06c5d854 |
321 | |
3ebea2cf |
322 | ret = check_type(p, &pp->ret_type); |
323 | if (ret <= 0) { |
63df67be |
324 | printf("%s:%d:%zd: unhandled return in '%s'\n", |
c36e914d |
325 | hdrfn, hdrfline, (p - protostr) + 1, protostr); |
39b168b8 |
326 | return -1; |
c36e914d |
327 | } |
64c59faf |
328 | p = sskip(p + ret); |
c36e914d |
329 | |
06c5d854 |
330 | if (!strchr(p, ')')) { |
331 | p = next_idt(buf, sizeof(buf), p); |
332 | p = sskip(p); |
333 | if (buf[0] == 0) { |
63df67be |
334 | printf("%s:%d:%zd: var name missing\n", |
06c5d854 |
335 | hdrfn, hdrfline, (p - protostr) + 1); |
336 | return -1; |
337 | } |
338 | strcpy(pp->name, buf); |
339 | |
340 | p1 = strchr(p, ']'); |
341 | if (p1 != NULL) { |
342 | p = p1 + 1; |
3ebea2cf |
343 | pp->ret_type.is_array = 1; |
06c5d854 |
344 | } |
345 | return p - protostr; |
346 | } |
347 | |
348 | pp->is_func = 1; |
349 | |
39b168b8 |
350 | if (*p == '(') { |
351 | pp->is_fptr = 1; |
352 | p = sskip(p + 1); |
353 | } |
354 | |
c36e914d |
355 | p = next_word(cconv, sizeof(cconv), p); |
356 | p = sskip(p); |
357 | if (cconv[0] == 0) { |
63df67be |
358 | printf("%s:%d:%zd: cconv missing\n", |
c36e914d |
359 | hdrfn, hdrfline, (p - protostr) + 1); |
39b168b8 |
360 | return -1; |
c36e914d |
361 | } |
362 | if (IS(cconv, "__cdecl")) |
363 | pp->is_stdcall = 0; |
364 | else if (IS(cconv, "__stdcall")) |
365 | pp->is_stdcall = 1; |
366 | else if (IS(cconv, "__fastcall")) |
367 | pp->is_stdcall = 1; |
368 | else if (IS(cconv, "__thiscall")) |
369 | pp->is_stdcall = 1; |
370 | else if (IS(cconv, "__userpurge")) |
de50b98b |
371 | pp->is_stdcall = 1; // IDA |
c36e914d |
372 | else if (IS(cconv, "__usercall")) |
de50b98b |
373 | pp->is_stdcall = 0; // IDA |
64c59faf |
374 | else if (IS(cconv, "WINAPI")) |
375 | pp->is_stdcall = 1; |
c36e914d |
376 | else { |
63df67be |
377 | printf("%s:%d:%zd: unhandled cconv: '%s'\n", |
c36e914d |
378 | hdrfn, hdrfline, (p - protostr) + 1, cconv); |
39b168b8 |
379 | return -1; |
380 | } |
381 | |
382 | if (pp->is_fptr) { |
383 | if (*p != '*') { |
63df67be |
384 | printf("%s:%d:%zd: '*' expected\n", |
39b168b8 |
385 | hdrfn, hdrfline, (p - protostr) + 1); |
386 | return -1; |
387 | } |
bd96f656 |
388 | p++; |
389 | // XXX: skipping extra asterisks, for now |
390 | while (*p == '*') |
391 | p++; |
392 | p = sskip(p); |
c36e914d |
393 | } |
394 | |
395 | p = next_idt(buf, sizeof(buf), p); |
396 | p = sskip(p); |
397 | if (buf[0] == 0) { |
de50b98b |
398 | //printf("%s:%d:%zd: func name missing\n", |
399 | // hdrfn, hdrfline, (p - protostr) + 1); |
400 | //return -1; |
c36e914d |
401 | } |
39b168b8 |
402 | strcpy(pp->name, buf); |
c36e914d |
403 | |
404 | ret = get_regparm(regparm, sizeof(regparm), p); |
405 | if (ret > 0) { |
406 | if (!IS(regparm, "eax") && !IS(regparm, "ax") |
2b43685d |
407 | && !IS(regparm, "al") && !IS(regparm, "edx:eax")) |
c36e914d |
408 | { |
63df67be |
409 | printf("%s:%d:%zd: bad regparm: %s\n", |
c36e914d |
410 | hdrfn, hdrfline, (p - protostr) + 1, regparm); |
39b168b8 |
411 | return -1; |
c36e914d |
412 | } |
413 | p += ret; |
414 | p = sskip(p); |
415 | } |
416 | |
39b168b8 |
417 | if (pp->is_fptr) { |
bd96f656 |
418 | if (*p == '[') { |
419 | // not really ret_type is array, but ohwell |
420 | pp->ret_type.is_array = 1; |
421 | p = strchr(p + 1, ']'); |
422 | if (p == NULL) { |
423 | printf("%s:%d:%zd: ']' expected\n", |
424 | hdrfn, hdrfline, (p - protostr) + 1); |
425 | return -1; |
426 | } |
427 | p = sskip(p + 1); |
428 | } |
39b168b8 |
429 | if (*p != ')') { |
63df67be |
430 | printf("%s:%d:%zd: ')' expected\n", |
39b168b8 |
431 | hdrfn, hdrfline, (p - protostr) + 1); |
432 | return -1; |
433 | } |
434 | p = sskip(p + 1); |
435 | } |
436 | |
c36e914d |
437 | if (*p != '(') { |
63df67be |
438 | printf("%s:%d:%zd: '(' expected, got '%c'\n", |
c36e914d |
439 | hdrfn, hdrfline, (p - protostr) + 1, *p); |
39b168b8 |
440 | return -1; |
c36e914d |
441 | } |
442 | p++; |
443 | |
39b168b8 |
444 | // check for x(void) |
445 | p = sskip(p); |
06c5d854 |
446 | if ((!strncmp(p, "void", 4) || !strncmp(p, "VOID", 4)) |
447 | && *sskip(p + 4) == ')') |
39b168b8 |
448 | p += 4; |
449 | |
c36e914d |
450 | while (1) { |
451 | p = sskip(p); |
39b168b8 |
452 | if (*p == ')') { |
453 | p++; |
c36e914d |
454 | break; |
39b168b8 |
455 | } |
840257f6 |
456 | if (xarg > 0) { |
457 | if (*p != ',') { |
458 | printf("%s:%d:%zd: ',' expected\n", |
459 | hdrfn, hdrfline, (p - protostr) + 1); |
460 | return -1; |
461 | } |
c36e914d |
462 | p = sskip(p + 1); |
840257f6 |
463 | } |
c36e914d |
464 | |
7ba45c34 |
465 | if (!strncmp(p, "...", 3)) { |
466 | pp->is_vararg = 1; |
467 | p = sskip(p + 3); |
468 | if (*p == ')') { |
469 | p++; |
470 | break; |
471 | } |
63df67be |
472 | printf("%s:%d:%zd: ')' expected\n", |
7ba45c34 |
473 | hdrfn, hdrfline, (p - protostr) + 1); |
474 | return -1; |
475 | } |
476 | |
39b168b8 |
477 | arg = &pp->arg[xarg]; |
c36e914d |
478 | xarg++; |
479 | |
39b168b8 |
480 | p1 = p; |
3ebea2cf |
481 | ret = check_type(p, &arg->type); |
482 | if (ret <= 0) { |
63df67be |
483 | printf("%s:%d:%zd: unhandled type for arg%d\n", |
c36e914d |
484 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
485 | return -1; |
c36e914d |
486 | } |
64c59faf |
487 | p = sskip(p + ret); |
c36e914d |
488 | |
39b168b8 |
489 | if (*p == '(') { |
490 | // func ptr |
491 | arg->fptr = calloc(1, sizeof(*arg->fptr)); |
492 | ret = parse_protostr(p1, arg->fptr); |
493 | if (ret < 0) { |
63df67be |
494 | printf("%s:%d:%zd: funcarg parse failed\n", |
39b168b8 |
495 | hdrfn, hdrfline, p1 - protostr); |
496 | return -1; |
497 | } |
498 | // we'll treat it as void * for non-calls |
a652aa9f |
499 | arg->type.name = strdup("void *"); |
3ebea2cf |
500 | arg->type.is_ptr = 1; |
39b168b8 |
501 | |
502 | p = p1 + ret; |
503 | } |
504 | |
c36e914d |
505 | p = next_idt(buf, sizeof(buf), p); |
506 | p = sskip(p); |
507 | #if 0 |
508 | if (buf[0] == 0) { |
63df67be |
509 | printf("%s:%d:%zd: idt missing for arg%d\n", |
c36e914d |
510 | hdrfn, hdrfline, (p - protostr) + 1, xarg); |
39b168b8 |
511 | return -1; |
c36e914d |
512 | } |
513 | #endif |
39b168b8 |
514 | arg->reg = NULL; |
c36e914d |
515 | |
516 | ret = get_regparm(regparm, sizeof(regparm), p); |
517 | if (ret > 0) { |
518 | p += ret; |
519 | p = sskip(p); |
520 | |
39b168b8 |
521 | arg->reg = strdup(map_reg(regparm)); |
c36e914d |
522 | } |
a652aa9f |
523 | |
524 | ret = check_struct_arg(arg); |
525 | if (ret > 0) { |
526 | pp->has_structarg = 1; |
527 | arg->type.is_struct = 1; |
528 | free(arg->type.name); |
529 | arg->type.name = strdup("int"); |
530 | for (l = 0; l < ret; l++) { |
531 | pp_copy_arg(&pp->arg[xarg], arg); |
532 | xarg++; |
533 | } |
534 | } |
c36e914d |
535 | } |
536 | |
537 | if (xarg > 0 && (IS(cconv, "__fastcall") || IS(cconv, "__thiscall"))) { |
538 | if (pp->arg[0].reg != NULL) { |
539 | printf("%s:%d: %s with arg1 spec %s?\n", |
540 | hdrfn, hdrfline, cconv, pp->arg[0].reg); |
541 | } |
542 | pp->arg[0].reg = strdup("ecx"); |
543 | } |
544 | |
545 | if (xarg > 1 && IS(cconv, "__fastcall")) { |
546 | if (pp->arg[1].reg != NULL) { |
547 | printf("%s:%d: %s with arg2 spec %s?\n", |
548 | hdrfn, hdrfline, cconv, pp->arg[1].reg); |
549 | } |
550 | pp->arg[1].reg = strdup("edx"); |
551 | } |
552 | |
7ba45c34 |
553 | if (pp->is_vararg && pp->is_stdcall) { |
554 | printf("%s:%d: vararg stdcall?\n", hdrfn, hdrfline); |
555 | return -1; |
556 | } |
557 | |
c36e914d |
558 | pp->argc = xarg; |
559 | |
560 | for (i = 0; i < pp->argc; i++) { |
561 | if (pp->arg[i].reg == NULL) |
562 | pp->argc_stack++; |
563 | else |
564 | pp->argc_reg++; |
565 | } |
566 | |
39b168b8 |
567 | return p - protostr; |
c36e914d |
568 | } |
569 | |
bd96f656 |
570 | static int pp_name_cmp(const void *p1, const void *p2) |
571 | { |
572 | const struct parsed_proto *pp1 = p1, *pp2 = p2; |
573 | return strcmp(pp1->name, pp2->name); |
574 | } |
575 | |
576 | static struct parsed_proto *pp_cache; |
577 | static int pp_cache_size; |
578 | static int pp_cache_alloc; |
579 | |
580 | static int b_pp_c_handler(char *proto, const char *fname) |
581 | { |
582 | int ret; |
583 | |
584 | if (pp_cache_size >= pp_cache_alloc) { |
585 | pp_cache_alloc = pp_cache_alloc * 2 + 64; |
586 | pp_cache = realloc(pp_cache, pp_cache_alloc |
587 | * sizeof(pp_cache[0])); |
588 | my_assert_not(pp_cache, NULL); |
589 | memset(pp_cache + pp_cache_size, 0, |
590 | (pp_cache_alloc - pp_cache_size) |
591 | * sizeof(pp_cache[0])); |
592 | } |
593 | |
594 | ret = parse_protostr(proto, &pp_cache[pp_cache_size]); |
595 | if (ret < 0) |
596 | return -1; |
597 | |
598 | pp_cache_size++; |
599 | return 0; |
600 | } |
601 | |
602 | static void build_pp_cache(FILE *fhdr) |
c36e914d |
603 | { |
c36e914d |
604 | int ret; |
605 | |
bd96f656 |
606 | rewind(fhdr); |
607 | |
608 | ret = do_protostrs(fhdr, hdrfn); |
609 | if (ret < 0) |
610 | exit(1); |
611 | |
612 | qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp); |
613 | } |
614 | |
36595fd2 |
615 | static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym, |
616 | int quiet) |
bd96f656 |
617 | { |
618 | const struct parsed_proto *pp_ret; |
619 | struct parsed_proto pp_search; |
620 | |
621 | if (pp_cache == NULL) |
622 | build_pp_cache(fhdr); |
623 | |
624 | if (sym[0] == '_') // && strncmp(fname, "stdc", 4) == 0) |
625 | sym++; |
c36e914d |
626 | |
bd96f656 |
627 | strcpy(pp_search.name, sym); |
628 | pp_ret = bsearch(&pp_search, pp_cache, pp_cache_size, |
629 | sizeof(pp_cache[0]), pp_name_cmp); |
36595fd2 |
630 | if (pp_ret == NULL && !quiet) |
c36e914d |
631 | printf("%s: sym '%s' is missing\n", hdrfn, sym); |
bd96f656 |
632 | |
633 | return pp_ret; |
634 | } |
635 | |
a652aa9f |
636 | static void pp_copy_arg(struct parsed_proto_arg *d, |
637 | const struct parsed_proto_arg *s) |
638 | { |
639 | memcpy(d, s, sizeof(*d)); |
640 | |
641 | if (s->reg != NULL) { |
642 | d->reg = strdup(s->reg); |
643 | my_assert_not(d->reg, NULL); |
644 | } |
645 | if (s->type.name != NULL) { |
646 | d->type.name = strdup(s->type.name); |
647 | my_assert_not(d->type.name, NULL); |
648 | } |
649 | if (s->fptr != NULL) { |
650 | d->fptr = malloc(sizeof(*d->fptr)); |
651 | my_assert_not(d->fptr, NULL); |
652 | memcpy(d->fptr, s->fptr, sizeof(*d->fptr)); |
653 | } |
654 | } |
655 | |
bd96f656 |
656 | struct parsed_proto *proto_clone(const struct parsed_proto *pp_c) |
657 | { |
658 | struct parsed_proto *pp; |
659 | int i; |
660 | |
661 | pp = malloc(sizeof(*pp)); |
662 | my_assert_not(pp, NULL); |
663 | memcpy(pp, pp_c, sizeof(*pp)); // lazy.. |
664 | |
665 | // do the actual deep copy.. |
a652aa9f |
666 | for (i = 0; i < pp_c->argc; i++) |
667 | pp_copy_arg(&pp->arg[i], &pp_c->arg[i]); |
bd96f656 |
668 | if (pp_c->ret_type.name != NULL) |
669 | pp->ret_type.name = strdup(pp_c->ret_type.name); |
c36e914d |
670 | |
bd96f656 |
671 | return pp; |
c36e914d |
672 | } |
673 | |
bd96f656 |
674 | static inline void proto_release(struct parsed_proto *pp) |
c36e914d |
675 | { |
676 | int i; |
677 | |
678 | for (i = 0; i < pp->argc; i++) { |
39b168b8 |
679 | if (pp->arg[i].reg != NULL) |
c36e914d |
680 | free(pp->arg[i].reg); |
3ebea2cf |
681 | if (pp->arg[i].type.name != NULL) |
682 | free(pp->arg[i].type.name); |
39b168b8 |
683 | if (pp->arg[i].fptr != NULL) |
684 | free(pp->arg[i].fptr); |
c36e914d |
685 | } |
3ebea2cf |
686 | if (pp->ret_type.name != NULL) |
687 | free(pp->ret_type.name); |
bd96f656 |
688 | free(pp); |
c36e914d |
689 | } |