Commit | Line | Data |
db81d362 |
1 | /* |
2 | Copyright 2012 Lukas Mai. |
3 | |
4 | This program is free software; you can redistribute it and/or modify it |
5 | under the terms of either: the GNU General Public License as published |
6 | by the Free Software Foundation; or the Artistic License. |
7 | |
8 | See http://dev.perl.org/licenses/ for more information. |
9 | */ |
10 | |
11 | #ifdef __GNUC__ |
12 | #if (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) || __GNUC__ >= 5 |
13 | #define PRAGMA_GCC_(X) _Pragma(#X) |
14 | #define PRAGMA_GCC(X) PRAGMA_GCC_(GCC X) |
15 | #endif |
16 | #endif |
17 | |
18 | #ifndef PRAGMA_GCC |
19 | #define PRAGMA_GCC(X) |
20 | #endif |
21 | |
22 | #ifdef DEVEL |
23 | #define WARNINGS_RESET PRAGMA_GCC(diagnostic pop) |
24 | #define WARNINGS_ENABLEW(X) PRAGMA_GCC(diagnostic warning #X) |
25 | #define WARNINGS_ENABLE \ |
26 | WARNINGS_ENABLEW(-Wall) \ |
27 | WARNINGS_ENABLEW(-Wextra) \ |
28 | WARNINGS_ENABLEW(-Wundef) \ |
c3e72f35 |
29 | /* WARNINGS_ENABLEW(-Wshadow) :-( */ \ |
db81d362 |
30 | WARNINGS_ENABLEW(-Wbad-function-cast) \ |
31 | WARNINGS_ENABLEW(-Wcast-align) \ |
32 | WARNINGS_ENABLEW(-Wwrite-strings) \ |
33 | /* WARNINGS_ENABLEW(-Wnested-externs) wtf? */ \ |
34 | WARNINGS_ENABLEW(-Wstrict-prototypes) \ |
35 | WARNINGS_ENABLEW(-Wmissing-prototypes) \ |
36 | WARNINGS_ENABLEW(-Winline) \ |
37 | WARNINGS_ENABLEW(-Wdisabled-optimization) |
38 | |
39 | #else |
40 | #define WARNINGS_RESET |
1bc47886 |
41 | #define WARNINGS_ENABLE |
db81d362 |
42 | #endif |
43 | |
44 | |
7dd35535 |
45 | #define PERL_NO_GET_CONTEXT |
db81d362 |
46 | #include "EXTERN.h" |
47 | #include "perl.h" |
48 | #include "XSUB.h" |
49 | |
50 | #include <string.h> |
51 | |
63915d26 |
52 | |
db81d362 |
53 | WARNINGS_ENABLE |
54 | |
db81d362 |
55 | |
7dd35535 |
56 | #define HAVE_PERL_VERSION(R, V, S) \ |
57 | (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S)))))) |
58 | |
de013990 |
59 | #if HAVE_PERL_VERSION(5, 16, 0) |
60 | #define IF_HAVE_PERL_5_16(YES, NO) YES |
61 | #else |
62 | #define IF_HAVE_PERL_5_16(YES, NO) NO |
63 | #endif |
64 | |
e158cf8f |
65 | #if 0 |
66 | #if HAVE_PERL_VERSION(5, 17, 6) |
67 | #error "internal error: missing definition of KEY_my (your perl is too new)" |
68 | #elif HAVE_PERL_VERSION(5, 15, 8) |
69 | #define S_KEY_my 134 |
70 | #elif HAVE_PERL_VERSION(5, 15, 6) |
71 | #define S_KEY_my 133 |
72 | #elif HAVE_PERL_VERSION(5, 15, 5) |
73 | #define S_KEY_my 132 |
74 | #elif HAVE_PERL_VERSION(5, 13, 0) |
75 | #define S_KEY_my 131 |
76 | #else |
77 | #error "internal error: missing definition of KEY_my (your perl is too old)" |
78 | #endif |
79 | #endif |
80 | |
63915d26 |
81 | |
82 | #define MY_PKG "Function::Parameters" |
83 | |
84 | #define HINTK_KEYWORDS MY_PKG "/keywords" |
85 | #define HINTK_FLAGS_ MY_PKG "/flags:" |
86 | #define HINTK_SHIFT_ MY_PKG "/shift:" |
87 | #define HINTK_ATTRS_ MY_PKG "/attrs:" |
7193dffb |
88 | #define HINTK_REIFY_ MY_PKG "/reify:" |
63915d26 |
89 | |
90 | #define DEFSTRUCT(T) typedef struct T T; struct T |
91 | |
63915d26 |
92 | enum { |
42e595b0 |
93 | FLAG_NAME_OK = 0x001, |
94 | FLAG_ANON_OK = 0x002, |
95 | FLAG_DEFAULT_ARGS = 0x004, |
96 | FLAG_CHECK_NARGS = 0x008, |
97 | FLAG_INVOCANT = 0x010, |
98 | FLAG_NAMED_PARAMS = 0x020, |
99 | FLAG_TYPES_OK = 0x040, |
100 | FLAG_CHECK_TARGS = 0x080, |
101 | FLAG_RUNTIME = 0x100 |
63915d26 |
102 | }; |
103 | |
104 | DEFSTRUCT(KWSpec) { |
105 | unsigned flags; |
7193dffb |
106 | I32 reify_type; |
b72eb6ee |
107 | SV *shift; |
108 | SV *attrs; |
63915d26 |
109 | }; |
db81d362 |
110 | |
111 | static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **); |
112 | |
e4648f19 |
113 | DEFSTRUCT(Resource) { |
114 | Resource *next; |
115 | void *data; |
116 | void (*destroy)(pTHX_ void *); |
117 | }; |
118 | |
119 | typedef Resource *Sentinel[1]; |
120 | |
121 | static void sentinel_clear_void(pTHX_ void *p) { |
122 | Resource **pp = p; |
123 | while (*pp) { |
124 | Resource *cur = *pp; |
a4c13d40 |
125 | if (cur->destroy) { |
126 | cur->destroy(aTHX_ cur->data); |
127 | } |
e4648f19 |
128 | cur->data = (void *)"no"; |
129 | cur->destroy = NULL; |
130 | *pp = cur->next; |
131 | Safefree(cur); |
132 | } |
133 | } |
134 | |
a4c13d40 |
135 | static Resource *sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) { |
e4648f19 |
136 | Resource *cur; |
137 | |
138 | Newx(cur, 1, Resource); |
139 | cur->data = data; |
140 | cur->destroy = destroy; |
141 | cur->next = *sen; |
142 | *sen = cur; |
a4c13d40 |
143 | |
144 | return cur; |
145 | } |
146 | |
147 | static void sentinel_disarm(Resource *p) { |
148 | p->destroy = NULL; |
e4648f19 |
149 | } |
150 | |
151 | static void my_sv_refcnt_dec_void(pTHX_ void *p) { |
152 | SV *sv = p; |
153 | SvREFCNT_dec(sv); |
154 | } |
155 | |
156 | static SV *sentinel_mortalize(Sentinel sen, SV *sv) { |
157 | sentinel_register(sen, sv, my_sv_refcnt_dec_void); |
158 | return sv; |
159 | } |
160 | |
db81d362 |
161 | |
ed95eeff |
162 | #if HAVE_PERL_VERSION(5, 17, 2) |
163 | #define MY_OP_SLABBED(O) ((O)->op_slabbed) |
164 | #else |
165 | #define MY_OP_SLABBED(O) 0 |
166 | #endif |
167 | |
168 | DEFSTRUCT(OpGuard) { |
169 | OP *op; |
170 | bool needs_freed; |
171 | }; |
172 | |
173 | static void op_guard_init(OpGuard *p) { |
174 | p->op = NULL; |
175 | p->needs_freed = FALSE; |
176 | } |
177 | |
178 | static OpGuard op_guard_transfer(OpGuard *p) { |
179 | OpGuard r = *p; |
180 | op_guard_init(p); |
181 | return r; |
182 | } |
183 | |
184 | static OP *op_guard_relinquish(OpGuard *p) { |
185 | OP *o = p->op; |
186 | op_guard_init(p); |
187 | return o; |
188 | } |
189 | |
190 | static void op_guard_update(OpGuard *p, OP *o) { |
191 | p->op = o; |
192 | p->needs_freed = o && !MY_OP_SLABBED(o); |
193 | } |
194 | |
195 | static void op_guard_clear(pTHX_ OpGuard *p) { |
196 | if (p->needs_freed) { |
197 | op_free(p->op); |
198 | } |
199 | } |
200 | |
201 | static void free_op_guard_void(pTHX_ void *vp) { |
202 | OpGuard *p = vp; |
203 | op_guard_clear(aTHX_ p); |
204 | Safefree(p); |
c311cef3 |
205 | } |
206 | |
51a483f8 |
207 | static void free_op_void(pTHX_ void *vp) { |
208 | OP *p = vp; |
209 | op_free(p); |
210 | } |
211 | |
59016bfb |
212 | #define sv_eq_pvs(SV, S) my_sv_eq_pvn(aTHX_ SV, "" S "", sizeof (S) - 1) |
c311cef3 |
213 | |
59016bfb |
214 | static int my_sv_eq_pvn(pTHX_ SV *sv, const char *p, STRLEN n) { |
c311cef3 |
215 | STRLEN sv_len; |
216 | const char *sv_p = SvPV(sv, sv_len); |
59016bfb |
217 | return memcmp(sv_p, p, n) == 0; |
c311cef3 |
218 | } |
219 | |
220 | |
221 | #include "padop_on_crack.c.inc" |
222 | |
223 | |
c311cef3 |
224 | enum { |
225 | MY_ATTR_LVALUE = 0x01, |
226 | MY_ATTR_METHOD = 0x02, |
227 | MY_ATTR_SPECIAL = 0x04 |
228 | }; |
229 | |
31534187 |
230 | static void my_sv_cat_c(pTHX_ SV *sv, U32 c) { |
231 | char ds[UTF8_MAXBYTES + 1], *d; |
67fc1ddb |
232 | d = (char *)uvchr_to_utf8((U8 *)ds, c); |
31534187 |
233 | if (d - ds > 1) { |
234 | sv_utf8_upgrade(sv); |
235 | } |
236 | sv_catpvn(sv, ds, d - ds); |
237 | } |
238 | |
31534187 |
239 | |
e6d62383 |
240 | #define MY_UNI_IDFIRST(C) isIDFIRST_uni(C) |
241 | #define MY_UNI_IDCONT(C) isALNUM_uni(C) |
31534187 |
242 | |
e4648f19 |
243 | static SV *my_scan_word(pTHX_ Sentinel sen, bool allow_package) { |
31534187 |
244 | bool at_start, at_substart; |
245 | I32 c; |
e4648f19 |
246 | SV *sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
247 | if (lex_bufutf8()) { |
248 | SvUTF8_on(sv); |
249 | } |
250 | |
251 | at_start = at_substart = TRUE; |
252 | c = lex_peek_unichar(0); |
253 | |
254 | while (c != -1) { |
e6d62383 |
255 | if (at_substart ? MY_UNI_IDFIRST(c) : MY_UNI_IDCONT(c)) { |
31534187 |
256 | lex_read_unichar(0); |
257 | my_sv_cat_c(aTHX_ sv, c); |
258 | at_substart = FALSE; |
259 | c = lex_peek_unichar(0); |
260 | } else if (allow_package && !at_substart && c == '\'') { |
261 | lex_read_unichar(0); |
262 | c = lex_peek_unichar(0); |
e6d62383 |
263 | if (!MY_UNI_IDFIRST(c)) { |
31534187 |
264 | lex_stuff_pvs("'", 0); |
265 | break; |
266 | } |
267 | sv_catpvs(sv, "'"); |
268 | at_substart = TRUE; |
269 | } else if (allow_package && (at_start || !at_substart) && c == ':') { |
270 | lex_read_unichar(0); |
271 | if (lex_peek_unichar(0) != ':') { |
272 | lex_stuff_pvs(":", 0); |
273 | break; |
274 | } |
275 | lex_read_unichar(0); |
276 | c = lex_peek_unichar(0); |
e6d62383 |
277 | if (!MY_UNI_IDFIRST(c)) { |
31534187 |
278 | lex_stuff_pvs("::", 0); |
279 | break; |
280 | } |
281 | sv_catpvs(sv, "::"); |
282 | at_substart = TRUE; |
283 | } else { |
284 | break; |
285 | } |
286 | at_start = FALSE; |
287 | } |
288 | |
289 | return SvCUR(sv) ? sv : NULL; |
290 | } |
291 | |
e4648f19 |
292 | static SV *my_scan_parens_tail(pTHX_ Sentinel sen, bool keep_backslash) { |
31534187 |
293 | I32 c, nesting; |
294 | SV *sv; |
295 | line_t start; |
296 | |
297 | start = CopLINE(PL_curcop); |
298 | |
e4648f19 |
299 | sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
300 | if (lex_bufutf8()) { |
301 | SvUTF8_on(sv); |
302 | } |
303 | |
304 | nesting = 0; |
305 | for (;;) { |
306 | c = lex_read_unichar(0); |
307 | if (c == EOF) { |
308 | CopLINE_set(PL_curcop, start); |
309 | return NULL; |
310 | } |
311 | |
312 | if (c == '\\') { |
313 | c = lex_read_unichar(0); |
314 | if (c == EOF) { |
315 | CopLINE_set(PL_curcop, start); |
316 | return NULL; |
317 | } |
318 | if (keep_backslash || (c != '(' && c != ')')) { |
319 | sv_catpvs(sv, "\\"); |
320 | } |
321 | } else if (c == '(') { |
322 | nesting++; |
323 | } else if (c == ')') { |
324 | if (!nesting) { |
325 | break; |
326 | } |
327 | nesting--; |
328 | } |
329 | |
330 | my_sv_cat_c(aTHX_ sv, c); |
331 | } |
332 | |
333 | return sv; |
334 | } |
335 | |
e4648f19 |
336 | static void my_check_prototype(pTHX_ Sentinel sen, const SV *declarator, SV *proto) { |
31534187 |
337 | char *start, *r, *w, *end; |
338 | STRLEN len; |
339 | |
340 | /* strip spaces */ |
341 | start = SvPV(proto, len); |
342 | end = start + len; |
343 | |
344 | for (w = r = start; r < end; r++) { |
345 | if (!isSPACE(*r)) { |
346 | *w++ = *r; |
347 | } |
348 | } |
349 | *w = '\0'; |
350 | SvCUR_set(proto, w - start); |
351 | end = w; |
352 | len = end - start; |
353 | |
354 | if (!ckWARN(WARN_ILLEGALPROTO)) { |
355 | return; |
356 | } |
357 | |
358 | /* check for bad characters */ |
359 | if (strspn(start, "$@%*;[]&\\_+") != len) { |
e4648f19 |
360 | SV *dsv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
361 | warner( |
362 | packWARN(WARN_ILLEGALPROTO), |
363 | "Illegal character in prototype for %"SVf" : %s", |
364 | SVfARG(declarator), |
365 | SvUTF8(proto) |
366 | ? sv_uni_display( |
367 | dsv, |
368 | proto, |
369 | len, |
370 | UNI_DISPLAY_ISPRINT |
371 | ) |
372 | : pv_pretty(dsv, start, len, 60, NULL, NULL, |
373 | PERL_PV_ESCAPE_NONASCII |
374 | ) |
375 | ); |
376 | return; |
377 | } |
378 | |
379 | for (r = start; r < end; r++) { |
380 | switch (*r) { |
381 | default: |
382 | warner( |
383 | packWARN(WARN_ILLEGALPROTO), |
384 | "Illegal character in prototype for %"SVf" : %s", |
385 | SVfARG(declarator), r |
386 | ); |
387 | return; |
388 | |
389 | case '_': |
390 | if (r[1] && !strchr(";@%", *r)) { |
391 | warner( |
392 | packWARN(WARN_ILLEGALPROTO), |
393 | "Illegal character after '_' in prototype for %"SVf" : %s", |
394 | SVfARG(declarator), r |
395 | ); |
396 | return; |
397 | } |
398 | break; |
399 | |
400 | case '@': |
401 | case '%': |
402 | if (r[1]) { |
403 | warner( |
404 | packWARN(WARN_ILLEGALPROTO), |
405 | "prototype after '%c' for %"SVf": %s", |
406 | *r, SVfARG(declarator), r + 1 |
407 | ); |
408 | return; |
409 | } |
410 | break; |
411 | |
412 | case '\\': |
413 | r++; |
414 | if (strchr("$@%&*", *r)) { |
415 | break; |
416 | } |
417 | if (*r == '[') { |
418 | r++; |
419 | for (; r < end && *r != ']'; r++) { |
420 | if (!strchr("$@%&*", *r)) { |
421 | break; |
422 | } |
423 | } |
424 | if (*r == ']' && r[-1] != '[') { |
425 | break; |
426 | } |
427 | } |
428 | warner( |
429 | packWARN(WARN_ILLEGALPROTO), |
430 | "Illegal character after '\\' in prototype for %"SVf" : %s", |
431 | SVfARG(declarator), r |
432 | ); |
433 | return; |
434 | |
435 | case '$': |
436 | case '*': |
437 | case '&': |
438 | case ';': |
439 | case '+': |
440 | break; |
441 | } |
442 | } |
443 | } |
444 | |
51a483f8 |
445 | static SV *parse_type(pTHX_ Sentinel, const SV *); |
446 | |
447 | static SV *parse_type_paramd(pTHX_ Sentinel sen, const SV *declarator) { |
448 | I32 c; |
449 | SV *t; |
450 | |
451 | t = my_scan_word(aTHX_ sen, TRUE); |
452 | lex_read_space(0); |
453 | |
454 | c = lex_peek_unichar(0); |
455 | if (c == '[') { |
456 | SV *u; |
457 | |
458 | lex_read_unichar(0); |
459 | lex_read_space(0); |
460 | my_sv_cat_c(aTHX_ t, c); |
461 | |
462 | u = parse_type(aTHX_ sen, declarator); |
463 | sv_catsv(t, u); |
464 | |
465 | c = lex_peek_unichar(0); |
466 | if (c != ']') { |
467 | croak("In %"SVf": missing ']' after '%"SVf"'", SVfARG(declarator), SVfARG(t)); |
468 | } |
469 | lex_read_unichar(0); |
470 | lex_read_space(0); |
471 | |
472 | my_sv_cat_c(aTHX_ t, c); |
473 | } |
474 | |
475 | return t; |
476 | } |
477 | |
478 | static SV *parse_type(pTHX_ Sentinel sen, const SV *declarator) { |
479 | I32 c; |
480 | SV *t; |
481 | |
482 | t = parse_type_paramd(aTHX_ sen, declarator); |
483 | |
484 | c = lex_peek_unichar(0); |
485 | while (c == '|') { |
486 | SV *u; |
487 | |
488 | lex_read_unichar(0); |
489 | lex_read_space(0); |
490 | |
491 | my_sv_cat_c(aTHX_ t, c); |
492 | u = parse_type_paramd(aTHX_ sen, declarator); |
493 | sv_catsv(t, u); |
494 | |
495 | c = lex_peek_unichar(0); |
496 | } |
497 | |
498 | return t; |
499 | } |
500 | |
7193dffb |
501 | static SV *reify_type(pTHX_ Sentinel sen, const SV *declarator, const KWSpec *spec, SV *name) { |
502 | AV *type_reifiers; |
503 | SV *t, *sv, **psv; |
51a483f8 |
504 | int n; |
505 | dSP; |
506 | |
7193dffb |
507 | type_reifiers = get_av(MY_PKG "::type_reifiers", 0); |
508 | assert(type_reifiers != NULL); |
509 | |
510 | if (spec->reify_type < 0 || spec->reify_type > av_len(type_reifiers)) { |
511 | croak("In %"SVf": internal error: reify_type [%ld] out of range [%ld]", SVfARG(declarator), (long)spec->reify_type, (long)(av_len(type_reifiers) + 1)); |
512 | } |
513 | |
514 | psv = av_fetch(type_reifiers, spec->reify_type, 0); |
515 | assert(psv != NULL); |
516 | sv = *psv; |
52c18b0f |
517 | |
51a483f8 |
518 | ENTER; |
519 | SAVETMPS; |
520 | |
521 | PUSHMARK(SP); |
e7c6de2c |
522 | EXTEND(SP, 2); |
51a483f8 |
523 | PUSHs(name); |
e7c6de2c |
524 | PUSHs(PL_curstname); |
51a483f8 |
525 | PUTBACK; |
526 | |
7193dffb |
527 | n = call_sv(sv, G_SCALAR); |
51a483f8 |
528 | SPAGAIN; |
529 | |
530 | assert(n == 1); |
a8492ba4 |
531 | /* don't warn about n being unused if assert() is compiled out */ |
532 | n = n; |
533 | |
51a483f8 |
534 | t = sentinel_mortalize(sen, SvREFCNT_inc(POPs)); |
535 | |
536 | PUTBACK; |
537 | FREETMPS; |
538 | LEAVE; |
539 | |
540 | if (!SvTRUE(t)) { |
541 | croak("In %"SVf": undefined type '%"SVf"'", SVfARG(declarator), SVfARG(name)); |
542 | } |
543 | |
544 | return t; |
545 | } |
546 | |
e158cf8f |
547 | |
548 | DEFSTRUCT(Param) { |
549 | SV *name; |
550 | PADOFFSET padoff; |
51a483f8 |
551 | SV *type; |
e158cf8f |
552 | }; |
553 | |
554 | DEFSTRUCT(ParamInit) { |
555 | Param param; |
ed95eeff |
556 | OpGuard init; |
e158cf8f |
557 | }; |
558 | |
559 | #define VEC(B) B ## _Vec |
560 | |
561 | #define DEFVECTOR(B) DEFSTRUCT(VEC(B)) { \ |
562 | B (*data); \ |
563 | size_t used, size; \ |
564 | } |
565 | |
566 | DEFVECTOR(Param); |
567 | DEFVECTOR(ParamInit); |
568 | |
569 | #define DEFVECTOR_INIT(N, B) static void N(VEC(B) *p) { \ |
570 | p->used = 0; \ |
571 | p->size = 23; \ |
572 | Newx(p->data, p->size, B); \ |
573 | } static void N(VEC(B) *) |
574 | |
575 | DEFSTRUCT(ParamSpec) { |
576 | Param invocant; |
577 | VEC(Param) positional_required; |
578 | VEC(ParamInit) positional_optional; |
579 | VEC(Param) named_required; |
580 | VEC(ParamInit) named_optional; |
581 | Param slurpy; |
fc634bba |
582 | PADOFFSET rest_hash; |
e158cf8f |
583 | }; |
584 | |
585 | DEFVECTOR_INIT(pv_init, Param); |
586 | DEFVECTOR_INIT(piv_init, ParamInit); |
587 | |
588 | static void p_init(Param *p) { |
589 | p->name = NULL; |
590 | p->padoff = NOT_IN_PAD; |
51a483f8 |
591 | p->type = NULL; |
e158cf8f |
592 | } |
593 | |
594 | static void ps_init(ParamSpec *ps) { |
595 | p_init(&ps->invocant); |
596 | pv_init(&ps->positional_required); |
597 | piv_init(&ps->positional_optional); |
598 | pv_init(&ps->named_required); |
599 | piv_init(&ps->named_optional); |
600 | p_init(&ps->slurpy); |
fc634bba |
601 | ps->rest_hash = NOT_IN_PAD; |
e158cf8f |
602 | } |
603 | |
604 | #define DEFVECTOR_EXTEND(N, B) static B (*N(VEC(B) *p)) { \ |
605 | assert(p->used <= p->size); \ |
606 | if (p->used == p->size) { \ |
607 | const size_t n = p->size / 2 * 3 + 1; \ |
608 | Renew(p->data, n, B); \ |
609 | p->size = n; \ |
610 | } \ |
611 | return &p->data[p->used]; \ |
612 | } static B (*N(VEC(B) *)) |
613 | |
614 | DEFVECTOR_EXTEND(pv_extend, Param); |
615 | DEFVECTOR_EXTEND(piv_extend, ParamInit); |
616 | |
617 | #define DEFVECTOR_CLEAR(N, B, F) static void N(pTHX_ VEC(B) *p) { \ |
618 | while (p->used) { \ |
619 | p->used--; \ |
620 | F(aTHX_ &p->data[p->used]); \ |
621 | } \ |
622 | Safefree(p->data); \ |
623 | p->data = NULL; \ |
624 | p->size = 0; \ |
625 | } static void N(pTHX_ VEC(B) *) |
626 | |
627 | static void p_clear(pTHX_ Param *p) { |
628 | p->name = NULL; |
629 | p->padoff = NOT_IN_PAD; |
51a483f8 |
630 | p->type = NULL; |
e158cf8f |
631 | } |
632 | |
633 | static void pi_clear(pTHX_ ParamInit *pi) { |
634 | p_clear(aTHX_ &pi->param); |
ed95eeff |
635 | op_guard_clear(aTHX_ &pi->init); |
e158cf8f |
636 | } |
637 | |
638 | DEFVECTOR_CLEAR(pv_clear, Param, p_clear); |
639 | DEFVECTOR_CLEAR(piv_clear, ParamInit, pi_clear); |
640 | |
641 | static void ps_clear(pTHX_ ParamSpec *ps) { |
642 | p_clear(aTHX_ &ps->invocant); |
643 | |
644 | pv_clear(aTHX_ &ps->positional_required); |
645 | piv_clear(aTHX_ &ps->positional_optional); |
646 | |
647 | pv_clear(aTHX_ &ps->named_required); |
648 | piv_clear(aTHX_ &ps->named_optional); |
649 | |
650 | p_clear(aTHX_ &ps->slurpy); |
651 | } |
652 | |
653 | static int ps_contains(pTHX_ const ParamSpec *ps, SV *sv) { |
654 | size_t i, lim; |
655 | |
656 | if (ps->invocant.name && sv_eq(sv, ps->invocant.name)) { |
657 | return 1; |
658 | } |
659 | |
660 | for (i = 0, lim = ps->positional_required.used; i < lim; i++) { |
661 | if (sv_eq(sv, ps->positional_required.data[i].name)) { |
662 | return 1; |
663 | } |
664 | } |
665 | |
666 | for (i = 0, lim = ps->positional_optional.used; i < lim; i++) { |
667 | if (sv_eq(sv, ps->positional_optional.data[i].param.name)) { |
668 | return 1; |
669 | } |
670 | } |
671 | |
672 | for (i = 0, lim = ps->named_required.used; i < lim; i++) { |
673 | if (sv_eq(sv, ps->named_required.data[i].name)) { |
674 | return 1; |
675 | } |
676 | } |
677 | |
678 | for (i = 0, lim = ps->named_optional.used; i < lim; i++) { |
679 | if (sv_eq(sv, ps->named_optional.data[i].param.name)) { |
680 | return 1; |
681 | } |
682 | } |
683 | |
684 | return 0; |
685 | } |
686 | |
687 | static void ps_free_void(pTHX_ void *p) { |
688 | ps_clear(aTHX_ p); |
689 | Safefree(p); |
690 | } |
691 | |
692 | static int args_min(pTHX_ const ParamSpec *ps, const KWSpec *ks) { |
693 | int n = 0; |
694 | if (!ps) { |
695 | return SvTRUE(ks->shift) ? 1 : 0; |
696 | } |
697 | if (ps->invocant.name) { |
698 | n++; |
699 | } |
700 | n += ps->positional_required.used; |
701 | n += ps->named_required.used * 2; |
702 | return n; |
703 | } |
704 | |
705 | static int args_max(const ParamSpec *ps) { |
706 | int n = 0; |
707 | if (!ps) { |
708 | return -1; |
709 | } |
710 | if (ps->invocant.name) { |
711 | n++; |
712 | } |
713 | n += ps->positional_required.used; |
714 | n += ps->positional_optional.used; |
715 | if (ps->named_required.used || ps->named_optional.used || ps->slurpy.name) { |
716 | n = -1; |
717 | } |
718 | return n; |
719 | } |
720 | |
721 | static size_t count_positional_params(const ParamSpec *ps) { |
722 | return ps->positional_required.used + ps->positional_optional.used; |
723 | } |
724 | |
725 | static size_t count_named_params(const ParamSpec *ps) { |
726 | return ps->named_required.used + ps->named_optional.used; |
727 | } |
728 | |
51a483f8 |
729 | static SV *my_eval(pTHX_ Sentinel sen, I32 floor, OP *op) { |
730 | SV *sv; |
731 | CV *cv; |
732 | dSP; |
733 | |
734 | cv = newATTRSUB(floor, NULL, NULL, NULL, op); |
735 | |
736 | ENTER; |
737 | SAVETMPS; |
738 | |
739 | PUSHMARK(SP); |
740 | call_sv((SV *)cv, G_SCALAR | G_NOARGS); |
741 | SPAGAIN; |
742 | sv = sentinel_mortalize(sen, SvREFCNT_inc(POPs)); |
743 | |
744 | PUTBACK; |
745 | FREETMPS; |
746 | LEAVE; |
747 | |
748 | return sv; |
749 | } |
750 | |
e158cf8f |
751 | enum { |
752 | PARAM_INVOCANT = 0x01, |
753 | PARAM_NAMED = 0x02 |
754 | }; |
755 | |
e158cf8f |
756 | static PADOFFSET parse_param( |
757 | pTHX_ |
e4648f19 |
758 | Sentinel sen, |
e158cf8f |
759 | const SV *declarator, const KWSpec *spec, ParamSpec *param_spec, |
ed95eeff |
760 | int *pflags, SV **pname, OpGuard *ginit, SV **ptype |
e158cf8f |
761 | ) { |
762 | I32 c; |
763 | char sigil; |
a4c13d40 |
764 | SV *name; |
e158cf8f |
765 | |
ed95eeff |
766 | assert(!ginit->op); |
e158cf8f |
767 | *pflags = 0; |
51a483f8 |
768 | *ptype = NULL; |
e158cf8f |
769 | |
770 | c = lex_peek_unichar(0); |
771 | |
51a483f8 |
772 | if (spec->flags & FLAG_TYPES_OK) { |
773 | if (c == '(') { |
774 | I32 floor; |
775 | OP *expr; |
a4c13d40 |
776 | Resource *expr_sentinel; |
51a483f8 |
777 | |
778 | lex_read_unichar(0); |
779 | |
a4c13d40 |
780 | floor = start_subparse(FALSE, 0); |
781 | SAVEFREESV(PL_compcv); |
782 | CvSPECIAL_on(PL_compcv); |
51a483f8 |
783 | |
784 | if (!(expr = parse_fullexpr(PARSE_OPTIONAL))) { |
785 | croak("In %"SVf": invalid type expression", SVfARG(declarator)); |
786 | } |
ed95eeff |
787 | if (MY_OP_SLABBED(expr)) { |
788 | expr_sentinel = NULL; |
789 | } else { |
790 | expr_sentinel = sentinel_register(sen, expr, free_op_void); |
791 | } |
51a483f8 |
792 | |
793 | lex_read_space(0); |
794 | c = lex_peek_unichar(0); |
795 | if (c != ')') { |
796 | croak("In %"SVf": missing ')' after type expression", SVfARG(declarator)); |
797 | } |
798 | lex_read_unichar(0); |
799 | lex_read_space(0); |
800 | |
a4c13d40 |
801 | SvREFCNT_inc_simple_void(PL_compcv); |
ed95eeff |
802 | if (expr_sentinel) { |
803 | sentinel_disarm(expr_sentinel); |
804 | } |
51a483f8 |
805 | *ptype = my_eval(aTHX_ sen, floor, expr); |
52c18b0f |
806 | if (!SvROK(*ptype)) { |
7193dffb |
807 | *ptype = reify_type(aTHX_ sen, declarator, spec, *ptype); |
52c18b0f |
808 | } |
51a483f8 |
809 | if (!sv_isobject(*ptype)) { |
810 | croak("In %"SVf": (%"SVf") doesn't look like a type object", SVfARG(declarator), SVfARG(*ptype)); |
811 | } |
812 | |
813 | c = lex_peek_unichar(0); |
e6d62383 |
814 | } else if (MY_UNI_IDFIRST(c)) { |
a4c13d40 |
815 | *ptype = parse_type(aTHX_ sen, declarator); |
7193dffb |
816 | *ptype = reify_type(aTHX_ sen, declarator, spec, *ptype); |
51a483f8 |
817 | |
818 | c = lex_peek_unichar(0); |
819 | } |
820 | } |
821 | |
e158cf8f |
822 | if (c == ':') { |
823 | lex_read_unichar(0); |
824 | lex_read_space(0); |
825 | |
826 | *pflags |= PARAM_NAMED; |
827 | |
828 | c = lex_peek_unichar(0); |
829 | } |
830 | |
831 | if (c == -1) { |
832 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
833 | } |
51a483f8 |
834 | |
e158cf8f |
835 | if (!(c == '$' || c == '@' || c == '%')) { |
836 | croak("In %"SVf": unexpected '%c' in parameter list (expecting a sigil)", SVfARG(declarator), (int)c); |
837 | } |
838 | |
839 | sigil = c; |
840 | |
841 | lex_read_unichar(0); |
842 | lex_read_space(0); |
843 | |
e4648f19 |
844 | if (!(name = my_scan_word(aTHX_ sen, FALSE))) { |
e158cf8f |
845 | croak("In %"SVf": missing identifier after '%c'", SVfARG(declarator), sigil); |
846 | } |
847 | sv_insert(name, 0, 0, &sigil, 1); |
848 | *pname = name; |
849 | |
850 | lex_read_space(0); |
851 | c = lex_peek_unichar(0); |
852 | |
853 | if (c == '=') { |
854 | lex_read_unichar(0); |
855 | lex_read_space(0); |
856 | |
857 | |
858 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
859 | param_spec->invocant.name = spec->shift; |
860 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
861 | } |
862 | |
ed95eeff |
863 | op_guard_update(ginit, parse_termexpr(0)); |
e158cf8f |
864 | |
865 | lex_read_space(0); |
866 | c = lex_peek_unichar(0); |
867 | } |
868 | |
869 | if (c == ':') { |
870 | *pflags |= PARAM_INVOCANT; |
871 | lex_read_unichar(0); |
872 | lex_read_space(0); |
873 | } else if (c == ',') { |
874 | lex_read_unichar(0); |
875 | lex_read_space(0); |
876 | } else if (c != ')') { |
877 | if (c == -1) { |
878 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
879 | } |
880 | croak("In %"SVf": unexpected '%c' in parameter list (expecting ',')", SVfARG(declarator), (int)c); |
881 | } |
882 | |
883 | return pad_add_name_sv(*pname, IF_HAVE_PERL_5_16(padadd_NO_DUP_CHECK, 0), NULL, NULL); |
884 | } |
885 | |
886 | static OP *my_var_g(pTHX_ I32 type, I32 flags, PADOFFSET padoff) { |
887 | OP *var = newOP(type, flags); |
888 | var->op_targ = padoff; |
889 | return var; |
890 | } |
891 | |
892 | static OP *my_var(pTHX_ I32 flags, PADOFFSET padoff) { |
893 | return my_var_g(aTHX_ OP_PADSV, flags, padoff); |
894 | } |
895 | |
fc634bba |
896 | static OP *mkhvelem(pTHX_ PADOFFSET h, OP *k) { |
897 | OP *hv = my_var_g(aTHX_ OP_PADHV, OPf_REF, h); |
898 | return newBINOP(OP_HELEM, 0, hv, k); |
899 | } |
900 | |
901 | static OP *mkconstsv(pTHX_ SV *sv) { |
902 | return newSVOP(OP_CONST, 0, sv); |
903 | } |
904 | |
905 | static OP *mkconstiv(pTHX_ IV i) { |
906 | return mkconstsv(aTHX_ newSViv(i)); |
907 | } |
908 | |
909 | static OP *mkconstpv(pTHX_ const char *p, size_t n) { |
910 | return mkconstsv(aTHX_ newSVpv(p, n)); |
911 | } |
912 | |
913 | #define mkconstpvs(S) mkconstpv(aTHX_ "" S "", sizeof S - 1) |
914 | |
51a483f8 |
915 | static OP *mktypecheck(pTHX_ const SV *declarator, int nr, SV *name, PADOFFSET padoff, SV *type) { |
916 | /* $type->check($value) or Carp::croak "...: " . $type->get_message($value) */ |
a8492ba4 |
917 | OP *chk, *err, *msg, *xcroak; |
51a483f8 |
918 | |
919 | err = mkconstsv(aTHX_ newSVpvf("In %"SVf": parameter %d (%"SVf"): ", SVfARG(declarator), nr, SVfARG(name))); |
920 | { |
921 | OP *args = NULL; |
922 | |
923 | args = op_append_elem(OP_LIST, args, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(type))); |
924 | args = op_append_elem( |
925 | OP_LIST, args, |
926 | padoff == NOT_IN_PAD |
927 | ? S_newDEFSVOP(aTHX) |
928 | : my_var(aTHX_ 0, padoff) |
929 | ); |
930 | args = op_append_elem(OP_LIST, args, newUNOP(OP_METHOD, 0, mkconstpvs("get_message"))); |
931 | |
932 | msg = args; |
933 | msg->op_type = OP_ENTERSUB; |
934 | msg->op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
935 | msg->op_flags |= OPf_STACKED; |
936 | } |
937 | |
938 | msg = newBINOP(OP_CONCAT, 0, err, msg); |
939 | |
940 | xcroak = newCVREF( |
941 | OPf_WANT_SCALAR, |
942 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
943 | ); |
944 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
945 | |
946 | { |
947 | OP *args = NULL; |
948 | |
949 | args = op_append_elem(OP_LIST, args, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(type))); |
950 | args = op_append_elem( |
951 | OP_LIST, args, |
952 | padoff == NOT_IN_PAD |
953 | ? S_newDEFSVOP(aTHX) |
954 | : my_var(aTHX_ 0, padoff) |
955 | ); |
956 | args = op_append_elem(OP_LIST, args, newUNOP(OP_METHOD, 0, mkconstpvs("check"))); |
957 | |
958 | chk = args; |
959 | chk->op_type = OP_ENTERSUB; |
960 | chk->op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
961 | chk->op_flags |= OPf_STACKED; |
962 | } |
963 | |
964 | chk = newLOGOP(OP_OR, 0, chk, xcroak); |
965 | return chk; |
966 | } |
967 | |
968 | static OP *mktypecheckp(pTHX_ const SV *declarator, int nr, const Param *param) { |
969 | return mktypecheck(aTHX_ declarator, nr, param->name, param->padoff, param->type); |
970 | } |
971 | |
53c979f0 |
972 | static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const ParamSpec *ps) { |
973 | dSP; |
974 | |
975 | ENTER; |
976 | SAVETMPS; |
977 | |
978 | PUSHMARK(SP); |
51a483f8 |
979 | EXTEND(SP, 10); |
53c979f0 |
980 | |
981 | /* 0 */ { |
982 | mPUSHu(key); |
983 | } |
984 | /* 1 */ { |
fd727b3e |
985 | STRLEN n; |
53c979f0 |
986 | char *p = SvPV(declarator, n); |
987 | char *q = memchr(p, ' ', n); |
fd727b3e |
988 | SV *tmp = newSVpvn_utf8(p, q ? (size_t)(q - p) : n, SvUTF8(declarator)); |
989 | mPUSHs(tmp); |
53c979f0 |
990 | } |
991 | if (!ps) { |
992 | if (SvTRUE(kws->shift)) { |
993 | PUSHs(kws->shift); |
994 | } else { |
995 | PUSHmortal; |
996 | } |
51a483f8 |
997 | PUSHmortal; |
53c979f0 |
998 | mPUSHs(newRV_noinc((SV *)newAV())); |
999 | mPUSHs(newRV_noinc((SV *)newAV())); |
1000 | mPUSHs(newRV_noinc((SV *)newAV())); |
1001 | mPUSHs(newRV_noinc((SV *)newAV())); |
1002 | mPUSHp("@_", 2); |
51a483f8 |
1003 | PUSHmortal; |
53c979f0 |
1004 | } else { |
51a483f8 |
1005 | /* 2, 3 */ { |
53c979f0 |
1006 | if (ps->invocant.name) { |
1007 | PUSHs(ps->invocant.name); |
51a483f8 |
1008 | if (ps->invocant.type) { |
1009 | PUSHs(ps->invocant.type); |
1010 | } else { |
1011 | PUSHmortal; |
1012 | } |
53c979f0 |
1013 | } else { |
1014 | PUSHmortal; |
51a483f8 |
1015 | PUSHmortal; |
53c979f0 |
1016 | } |
1017 | } |
51a483f8 |
1018 | /* 4 */ { |
53c979f0 |
1019 | size_t i, lim; |
1020 | AV *av; |
1021 | |
1022 | lim = ps->positional_required.used; |
1023 | |
1024 | av = newAV(); |
1025 | if (lim) { |
51a483f8 |
1026 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1027 | for (i = 0; i < lim; i++) { |
51a483f8 |
1028 | Param *cur = &ps->positional_required.data[i]; |
1029 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1030 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1031 | } |
1032 | } |
1033 | |
1034 | mPUSHs(newRV_noinc((SV *)av)); |
1035 | } |
51a483f8 |
1036 | /* 5 */ { |
53c979f0 |
1037 | size_t i, lim; |
1038 | AV *av; |
1039 | |
1040 | lim = ps->positional_optional.used; |
1041 | |
1042 | av = newAV(); |
1043 | if (lim) { |
51a483f8 |
1044 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1045 | for (i = 0; i < lim; i++) { |
51a483f8 |
1046 | Param *cur = &ps->positional_optional.data[i].param; |
1047 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1048 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1049 | } |
1050 | } |
1051 | |
1052 | mPUSHs(newRV_noinc((SV *)av)); |
1053 | } |
51a483f8 |
1054 | /* 6 */ { |
53c979f0 |
1055 | size_t i, lim; |
1056 | AV *av; |
1057 | |
1058 | lim = ps->named_required.used; |
1059 | |
1060 | av = newAV(); |
1061 | if (lim) { |
51a483f8 |
1062 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1063 | for (i = 0; i < lim; i++) { |
51a483f8 |
1064 | Param *cur = &ps->named_required.data[i]; |
1065 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1066 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1067 | } |
1068 | } |
1069 | |
1070 | mPUSHs(newRV_noinc((SV *)av)); |
1071 | } |
51a483f8 |
1072 | /* 7 */ { |
53c979f0 |
1073 | size_t i, lim; |
1074 | AV *av; |
1075 | |
1076 | lim = ps->named_optional.used; |
1077 | |
1078 | av = newAV(); |
1079 | if (lim) { |
51a483f8 |
1080 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1081 | for (i = 0; i < lim; i++) { |
51a483f8 |
1082 | Param *cur = &ps->named_optional.data[i].param; |
1083 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1084 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1085 | } |
1086 | } |
1087 | |
1088 | mPUSHs(newRV_noinc((SV *)av)); |
1089 | } |
51a483f8 |
1090 | /* 8, 9 */ { |
53c979f0 |
1091 | if (ps->slurpy.name) { |
1092 | PUSHs(ps->slurpy.name); |
51a483f8 |
1093 | if (ps->slurpy.type) { |
1094 | PUSHs(ps->slurpy.type); |
1095 | } else { |
1096 | PUSHmortal; |
1097 | } |
53c979f0 |
1098 | } else { |
1099 | PUSHmortal; |
51a483f8 |
1100 | PUSHmortal; |
53c979f0 |
1101 | } |
1102 | } |
1103 | } |
1104 | PUTBACK; |
1105 | |
1106 | call_pv(MY_PKG "::_register_info", G_VOID); |
1107 | |
1108 | FREETMPS; |
1109 | LEAVE; |
1110 | } |
1111 | |
e4648f19 |
1112 | static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) { |
e158cf8f |
1113 | ParamSpec *param_spec; |
c311cef3 |
1114 | SV *declarator; |
1115 | I32 floor_ix; |
63915d26 |
1116 | int save_ix; |
c311cef3 |
1117 | SV *saw_name; |
ed95eeff |
1118 | OpGuard *prelude_sentinel; |
c311cef3 |
1119 | SV *proto; |
ed95eeff |
1120 | OpGuard *attrs_sentinel; |
1121 | OP *body; |
c311cef3 |
1122 | unsigned builtin_attrs; |
db81d362 |
1123 | I32 c; |
1124 | |
e4648f19 |
1125 | declarator = sentinel_mortalize(sen, newSVpvn(keyword_ptr, keyword_len)); |
fd727b3e |
1126 | if (lex_bufutf8()) { |
1127 | SvUTF8_on(declarator); |
1128 | } |
db81d362 |
1129 | |
db81d362 |
1130 | lex_read_space(0); |
1131 | |
c311cef3 |
1132 | builtin_attrs = 0; |
1133 | |
db81d362 |
1134 | /* function name */ |
c311cef3 |
1135 | saw_name = NULL; |
e4648f19 |
1136 | if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ sen, TRUE))) { |
c311cef3 |
1137 | |
1138 | if (PL_parser->expect != XSTATE) { |
1139 | /* bail out early so we don't predeclare $saw_name */ |
1140 | croak("In %"SVf": I was expecting a function body, not \"%"SVf"\"", SVfARG(declarator), SVfARG(saw_name)); |
1141 | } |
1142 | |
db81d362 |
1143 | sv_catpvs(declarator, " "); |
c311cef3 |
1144 | sv_catsv(declarator, saw_name); |
1145 | |
1146 | if ( |
1147 | sv_eq_pvs(saw_name, "BEGIN") || |
1148 | sv_eq_pvs(saw_name, "END") || |
1149 | sv_eq_pvs(saw_name, "INIT") || |
1150 | sv_eq_pvs(saw_name, "CHECK") || |
1151 | sv_eq_pvs(saw_name, "UNITCHECK") |
1152 | ) { |
1153 | builtin_attrs |= MY_ATTR_SPECIAL; |
1154 | } |
1155 | |
db81d362 |
1156 | lex_read_space(0); |
63915d26 |
1157 | } else if (!(spec->flags & FLAG_ANON_OK)) { |
31534187 |
1158 | croak("I was expecting a function name, not \"%.*s\"", (int)(PL_parser->bufend - PL_parser->bufptr), PL_parser->bufptr); |
db81d362 |
1159 | } else { |
1160 | sv_catpvs(declarator, " (anon)"); |
1161 | } |
1162 | |
63915d26 |
1163 | /* we're a subroutine declaration */ |
c311cef3 |
1164 | floor_ix = start_subparse(FALSE, saw_name ? 0 : CVf_ANON); |
1165 | SAVEFREESV(PL_compcv); |
1166 | |
63915d26 |
1167 | /* create outer block: '{' */ |
1168 | save_ix = S_block_start(aTHX_ TRUE); |
1169 | |
1e0f1595 |
1170 | /* initialize synthetic optree */ |
ed95eeff |
1171 | Newx(prelude_sentinel, 1, OpGuard); |
1172 | op_guard_init(prelude_sentinel); |
1173 | sentinel_register(sen, prelude_sentinel, free_op_guard_void); |
1e0f1595 |
1174 | |
db81d362 |
1175 | /* parameters */ |
e158cf8f |
1176 | param_spec = NULL; |
63915d26 |
1177 | |
db81d362 |
1178 | c = lex_peek_unichar(0); |
1179 | if (c == '(') { |
ed95eeff |
1180 | OpGuard *init_sentinel; |
e158cf8f |
1181 | |
ed95eeff |
1182 | Newx(init_sentinel, 1, OpGuard); |
1183 | op_guard_init(init_sentinel); |
1184 | sentinel_register(sen, init_sentinel, free_op_guard_void); |
e158cf8f |
1185 | |
1186 | Newx(param_spec, 1, ParamSpec); |
1187 | ps_init(param_spec); |
e4648f19 |
1188 | sentinel_register(sen, param_spec, ps_free_void); |
db81d362 |
1189 | |
1190 | lex_read_unichar(0); |
1191 | lex_read_space(0); |
1192 | |
e158cf8f |
1193 | while ((c = lex_peek_unichar(0)) != ')') { |
1194 | int flags; |
51a483f8 |
1195 | SV *name, *type; |
e158cf8f |
1196 | char sigil; |
1197 | PADOFFSET padoff; |
c311cef3 |
1198 | |
51a483f8 |
1199 | padoff = parse_param(aTHX_ sen, declarator, spec, param_spec, &flags, &name, init_sentinel, &type); |
c311cef3 |
1200 | |
e158cf8f |
1201 | S_intro_my(aTHX); |
63915d26 |
1202 | |
e158cf8f |
1203 | sigil = SvPV_nolen(name)[0]; |
db81d362 |
1204 | |
e158cf8f |
1205 | /* internal consistency */ |
1206 | if (flags & PARAM_NAMED) { |
1207 | if (flags & PARAM_INVOCANT) { |
1208 | croak("In %"SVf": invocant %"SVf" can't be a named parameter", SVfARG(declarator), SVfARG(name)); |
db81d362 |
1209 | } |
e158cf8f |
1210 | if (sigil != '$') { |
1211 | croak("In %"SVf": named parameter %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
db81d362 |
1212 | } |
e158cf8f |
1213 | } else if (flags & PARAM_INVOCANT) { |
ed95eeff |
1214 | if (init_sentinel->op) { |
e158cf8f |
1215 | croak("In %"SVf": invocant %"SVf" can't have a default value", SVfARG(declarator), SVfARG(name)); |
db81d362 |
1216 | } |
e158cf8f |
1217 | if (sigil != '$') { |
1218 | croak("In %"SVf": invocant %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
1219 | } |
ed95eeff |
1220 | } else if (sigil != '$' && init_sentinel->op) { |
e158cf8f |
1221 | croak("In %"SVf": %s %"SVf" can't have a default value", SVfARG(declarator), sigil == '@' ? "array" : "hash", SVfARG(name)); |
1222 | } |
db81d362 |
1223 | |
e158cf8f |
1224 | /* external constraints */ |
1225 | if (param_spec->slurpy.name) { |
1226 | croak("In %"SVf": I was expecting \")\" after \"%"SVf"\", not \"%"SVf"\"", SVfARG(declarator), SVfARG(param_spec->slurpy.name), SVfARG(name)); |
1227 | } |
1228 | if (sigil != '$') { |
ed95eeff |
1229 | assert(!init_sentinel->op); |
e158cf8f |
1230 | param_spec->slurpy.name = name; |
1231 | param_spec->slurpy.padoff = padoff; |
51a483f8 |
1232 | param_spec->slurpy.type = type; |
e158cf8f |
1233 | continue; |
1234 | } |
d8e5d540 |
1235 | |
e158cf8f |
1236 | if (!(flags & PARAM_NAMED) && count_named_params(param_spec)) { |
1237 | croak("In %"SVf": positional parameter %"SVf" can't appear after named parameter %"SVf"", SVfARG(declarator), SVfARG(name), SVfARG((param_spec->named_required.used ? param_spec->named_required.data[0] : param_spec->named_optional.data[0].param).name)); |
1238 | } |
d8e5d540 |
1239 | |
e158cf8f |
1240 | if (flags & PARAM_INVOCANT) { |
1241 | if (param_spec->invocant.name) { |
1242 | croak("In %"SVf": invalid double invocants %"SVf", %"SVf"", SVfARG(declarator), SVfARG(param_spec->invocant.name), SVfARG(name)); |
1243 | } |
1244 | if (count_positional_params(param_spec) || count_named_params(param_spec)) { |
1245 | croak("In %"SVf": invocant %"SVf" must be first in parameter list", SVfARG(declarator), SVfARG(name)); |
63915d26 |
1246 | } |
e158cf8f |
1247 | if (!(spec->flags & FLAG_INVOCANT)) { |
1248 | croak("In %"SVf": invocant %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1249 | } |
1250 | param_spec->invocant.name = name; |
1251 | param_spec->invocant.padoff = padoff; |
51a483f8 |
1252 | param_spec->invocant.type = type; |
e158cf8f |
1253 | continue; |
1254 | } |
63915d26 |
1255 | |
ed95eeff |
1256 | if (init_sentinel->op && !(spec->flags & FLAG_DEFAULT_ARGS)) { |
e158cf8f |
1257 | croak("In %"SVf": default argument for %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1258 | } |
1e0f1595 |
1259 | |
e158cf8f |
1260 | if (ps_contains(aTHX_ param_spec, name)) { |
1261 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(name)); |
1262 | } |
1e0f1595 |
1263 | |
e158cf8f |
1264 | if (flags & PARAM_NAMED) { |
1265 | if (!(spec->flags & FLAG_NAMED_PARAMS)) { |
1266 | croak("In %"SVf": named parameter :%"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1e0f1595 |
1267 | } |
1268 | |
ed95eeff |
1269 | if (init_sentinel->op) { |
e158cf8f |
1270 | ParamInit *pi = piv_extend(¶m_spec->named_optional); |
1271 | pi->param.name = name; |
1272 | pi->param.padoff = padoff; |
51a483f8 |
1273 | pi->param.type = type; |
ed95eeff |
1274 | pi->init = op_guard_transfer(init_sentinel); |
e158cf8f |
1275 | param_spec->named_optional.used++; |
1276 | } else { |
67fc1ddb |
1277 | Param *p; |
1278 | |
e158cf8f |
1279 | if (param_spec->positional_optional.used) { |
1280 | croak("In %"SVf": can't combine optional positional (%"SVf") and required named (%"SVf") parameters", SVfARG(declarator), SVfARG(param_spec->positional_optional.data[0].param.name), SVfARG(name)); |
1281 | } |
d8e5d540 |
1282 | |
67fc1ddb |
1283 | p = pv_extend(¶m_spec->named_required); |
e158cf8f |
1284 | p->name = name; |
1285 | p->padoff = padoff; |
51a483f8 |
1286 | p->type = type; |
e158cf8f |
1287 | param_spec->named_required.used++; |
1288 | } |
1289 | } else { |
ed95eeff |
1290 | if (init_sentinel->op || param_spec->positional_optional.used) { |
e158cf8f |
1291 | ParamInit *pi = piv_extend(¶m_spec->positional_optional); |
1292 | pi->param.name = name; |
1293 | pi->param.padoff = padoff; |
51a483f8 |
1294 | pi->param.type = type; |
ed95eeff |
1295 | pi->init = op_guard_transfer(init_sentinel); |
e158cf8f |
1296 | param_spec->positional_optional.used++; |
1297 | } else { |
1298 | Param *p = pv_extend(¶m_spec->positional_required); |
1299 | p->name = name; |
1300 | p->padoff = padoff; |
51a483f8 |
1301 | p->type = type; |
e158cf8f |
1302 | param_spec->positional_required.used++; |
db81d362 |
1303 | } |
1304 | } |
1305 | |
e158cf8f |
1306 | } |
1307 | lex_read_unichar(0); |
1308 | lex_read_space(0); |
db81d362 |
1309 | |
e158cf8f |
1310 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
1311 | if (ps_contains(aTHX_ param_spec, spec->shift)) { |
1312 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(spec->shift)); |
db81d362 |
1313 | } |
e158cf8f |
1314 | |
1315 | param_spec->invocant.name = spec->shift; |
1316 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
db81d362 |
1317 | } |
1318 | } |
1319 | |
1320 | /* prototype */ |
c311cef3 |
1321 | proto = NULL; |
db81d362 |
1322 | c = lex_peek_unichar(0); |
1323 | if (c == ':') { |
1324 | lex_read_unichar(0); |
1325 | lex_read_space(0); |
1326 | |
1327 | c = lex_peek_unichar(0); |
1328 | if (c != '(') { |
c311cef3 |
1329 | lex_stuff_pvs(":", 0); |
1330 | c = ':'; |
db81d362 |
1331 | } else { |
31534187 |
1332 | lex_read_unichar(0); |
e4648f19 |
1333 | if (!(proto = my_scan_parens_tail(aTHX_ sen, FALSE))) { |
f34187b8 |
1334 | croak("In %"SVf": prototype not terminated", SVfARG(declarator)); |
db81d362 |
1335 | } |
e4648f19 |
1336 | my_check_prototype(aTHX_ sen, declarator, proto); |
db81d362 |
1337 | lex_read_space(0); |
c311cef3 |
1338 | c = lex_peek_unichar(0); |
514bcaa6 |
1339 | if (!(c == ':' || c == '{')) { |
1340 | lex_stuff_pvs(":", 0); |
1341 | c = ':'; |
1342 | } |
db81d362 |
1343 | } |
1344 | } |
1345 | |
db81d362 |
1346 | /* attributes */ |
ed95eeff |
1347 | Newx(attrs_sentinel, 1, OpGuard); |
1348 | op_guard_init(attrs_sentinel); |
1349 | sentinel_register(sen, attrs_sentinel, free_op_guard_void); |
c311cef3 |
1350 | |
63915d26 |
1351 | if (c == ':' || c == '{') /* '}' - hi, vim */ { |
c311cef3 |
1352 | |
1353 | /* kludge default attributes in */ |
1354 | if (SvTRUE(spec->attrs) && SvPV_nolen(spec->attrs)[0] == ':') { |
1355 | lex_stuff_sv(spec->attrs, 0); |
1356 | c = ':'; |
1357 | } |
b72eb6ee |
1358 | |
db81d362 |
1359 | if (c == ':') { |
db81d362 |
1360 | lex_read_unichar(0); |
1361 | lex_read_space(0); |
db81d362 |
1362 | c = lex_peek_unichar(0); |
c311cef3 |
1363 | |
1364 | for (;;) { |
1365 | SV *attr; |
1366 | |
e4648f19 |
1367 | if (!(attr = my_scan_word(aTHX_ sen, FALSE))) { |
c311cef3 |
1368 | break; |
db81d362 |
1369 | } |
c311cef3 |
1370 | |
db81d362 |
1371 | lex_read_space(0); |
1372 | c = lex_peek_unichar(0); |
c311cef3 |
1373 | |
1374 | if (c != '(') { |
1375 | if (sv_eq_pvs(attr, "lvalue")) { |
1376 | builtin_attrs |= MY_ATTR_LVALUE; |
1377 | attr = NULL; |
1378 | } else if (sv_eq_pvs(attr, "method")) { |
1379 | builtin_attrs |= MY_ATTR_METHOD; |
1380 | attr = NULL; |
1381 | } |
1382 | } else { |
31534187 |
1383 | SV *sv; |
1384 | lex_read_unichar(0); |
e4648f19 |
1385 | if (!(sv = my_scan_parens_tail(aTHX_ sen, TRUE))) { |
c311cef3 |
1386 | croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator)); |
1387 | } |
31534187 |
1388 | sv_catpvs(attr, "("); |
c311cef3 |
1389 | sv_catsv(attr, sv); |
31534187 |
1390 | sv_catpvs(attr, ")"); |
c311cef3 |
1391 | |
1392 | lex_read_space(0); |
1393 | c = lex_peek_unichar(0); |
1394 | } |
1395 | |
1396 | if (attr) { |
ed95eeff |
1397 | op_guard_update(attrs_sentinel, op_append_elem(OP_LIST, attrs_sentinel->op, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(attr)))); |
c311cef3 |
1398 | } |
1399 | |
1400 | if (c == ':') { |
1401 | lex_read_unichar(0); |
1402 | lex_read_space(0); |
1403 | c = lex_peek_unichar(0); |
1404 | } |
db81d362 |
1405 | } |
1406 | } |
1407 | } |
1408 | |
1409 | /* body */ |
63915d26 |
1410 | if (c != '{') /* '}' - hi, vim */ { |
85bc3fbd |
1411 | croak("In %"SVf": I was expecting a function body, not \"%c\"", SVfARG(declarator), (int)c); |
db81d362 |
1412 | } |
c311cef3 |
1413 | |
63915d26 |
1414 | /* surprise predeclaration! */ |
42e595b0 |
1415 | if (saw_name && !(spec->flags & FLAG_RUNTIME)) { |
63915d26 |
1416 | /* 'sub NAME (PROTO);' to make name/proto known to perl before it |
1417 | starts parsing the body */ |
1418 | const I32 sub_ix = start_subparse(FALSE, 0); |
1419 | SAVEFREESV(PL_compcv); |
1420 | |
1421 | SvREFCNT_inc_simple_void(PL_compcv); |
1422 | |
1423 | newATTRSUB( |
1424 | sub_ix, |
fc634bba |
1425 | mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)), |
1426 | proto ? mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(proto)) : NULL, |
63915d26 |
1427 | NULL, |
1428 | NULL |
1429 | ); |
1430 | } |
1431 | |
c311cef3 |
1432 | if (builtin_attrs & MY_ATTR_LVALUE) { |
1433 | CvLVALUE_on(PL_compcv); |
db81d362 |
1434 | } |
c311cef3 |
1435 | if (builtin_attrs & MY_ATTR_METHOD) { |
1436 | CvMETHOD_on(PL_compcv); |
1437 | } |
1438 | if (builtin_attrs & MY_ATTR_SPECIAL) { |
1439 | CvSPECIAL_on(PL_compcv); |
db81d362 |
1440 | } |
1441 | |
e158cf8f |
1442 | /* check number of arguments */ |
1e0f1595 |
1443 | if (spec->flags & FLAG_CHECK_NARGS) { |
e158cf8f |
1444 | int amin, amax; |
abccbe86 |
1445 | |
e158cf8f |
1446 | amin = args_min(aTHX_ param_spec, spec); |
1447 | if (amin > 0) { |
51a483f8 |
1448 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1449 | |
fc634bba |
1450 | err = mkconstsv(aTHX_ newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin)); |
1451 | err = newBINOP( |
1452 | OP_CONCAT, 0, |
1453 | err, |
1454 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1455 | ); |
1456 | err = newBINOP( |
1457 | OP_CONCAT, 0, |
1458 | err, |
1459 | mkconstpvs(")") |
1460 | ); |
63915d26 |
1461 | |
51a483f8 |
1462 | xcroak = newCVREF(OPf_WANT_SCALAR, |
1463 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1464 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1465 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1466 | |
1e0f1595 |
1467 | cond = newBINOP(OP_LT, 0, |
5f50e017 |
1468 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1469 | mkconstiv(aTHX_ amin)); |
1e0f1595 |
1470 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1471 | |
ed95eeff |
1472 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
1e0f1595 |
1473 | } |
abccbe86 |
1474 | |
e158cf8f |
1475 | amax = args_max(param_spec); |
1476 | if (amax >= 0) { |
51a483f8 |
1477 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1478 | |
fc634bba |
1479 | err = mkconstsv(aTHX_ newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax)); |
1480 | err = newBINOP( |
1481 | OP_CONCAT, 0, |
1482 | err, |
1483 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1484 | ); |
1485 | err = newBINOP( |
1486 | OP_CONCAT, 0, |
1487 | err, |
1488 | mkconstpvs(")") |
1489 | ); |
63915d26 |
1490 | |
51a483f8 |
1491 | xcroak = newCVREF( |
fc634bba |
1492 | OPf_WANT_SCALAR, |
1493 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1494 | ); |
1e0f1595 |
1495 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1496 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1497 | |
fc634bba |
1498 | cond = newBINOP( |
1499 | OP_GT, 0, |
1500 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1501 | mkconstiv(aTHX_ amax) |
1502 | ); |
1e0f1595 |
1503 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1504 | |
ed95eeff |
1505 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
1e0f1595 |
1506 | } |
e158cf8f |
1507 | |
1508 | if (param_spec && (count_named_params(param_spec) || (param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'))) { |
51a483f8 |
1509 | OP *chk, *cond, *err, *xcroak; |
e158cf8f |
1510 | const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name; |
63915d26 |
1511 | |
fc634bba |
1512 | err = mkconstsv(aTHX_ newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator))); |
63915d26 |
1513 | |
51a483f8 |
1514 | xcroak = newCVREF( |
fc634bba |
1515 | OPf_WANT_SCALAR, |
1516 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1517 | ); |
1e0f1595 |
1518 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1519 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1520 | |
1e0f1595 |
1521 | cond = newBINOP(OP_GT, 0, |
5f50e017 |
1522 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1523 | mkconstiv(aTHX_ fixed)); |
e158cf8f |
1524 | cond = newLOGOP(OP_AND, 0, |
fc634bba |
1525 | cond, |
1526 | newBINOP(OP_MODULO, 0, |
1527 | fixed |
1528 | ? newBINOP(OP_SUBTRACT, 0, |
1529 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1530 | mkconstiv(aTHX_ fixed)) |
1531 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1532 | mkconstiv(aTHX_ 2))); |
1e0f1595 |
1533 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1534 | |
ed95eeff |
1535 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
c311cef3 |
1536 | } |
1e0f1595 |
1537 | } |
c311cef3 |
1538 | |
e158cf8f |
1539 | if (!param_spec) { |
1540 | /* my $invocant = shift; */ |
1541 | if (SvTRUE(spec->shift)) { |
1542 | OP *var; |
abccbe86 |
1543 | |
e158cf8f |
1544 | var = my_var( |
1545 | aTHX_ |
1546 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1547 | pad_add_name_sv(spec->shift, 0, NULL, NULL) |
1548 | ); |
1549 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
c311cef3 |
1550 | |
ed95eeff |
1551 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
e158cf8f |
1552 | } |
1553 | } else { |
1554 | /* my $invocant = shift; */ |
1555 | if (param_spec->invocant.name) { |
1556 | OP *var; |
c311cef3 |
1557 | |
e158cf8f |
1558 | var = my_var( |
1559 | aTHX_ |
1560 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1561 | param_spec->invocant.padoff |
1562 | ); |
1563 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
1e0f1595 |
1564 | |
ed95eeff |
1565 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
51a483f8 |
1566 | |
1567 | if (param_spec->invocant.type && (spec->flags & FLAG_CHECK_TARGS)) { |
ed95eeff |
1568 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, 0, ¶m_spec->invocant)))); |
51a483f8 |
1569 | } |
c311cef3 |
1570 | } |
1571 | |
e158cf8f |
1572 | /* my (...) = @_; */ |
1573 | { |
1574 | OP *lhs; |
1575 | size_t i, lim; |
63915d26 |
1576 | |
e158cf8f |
1577 | lhs = NULL; |
63915d26 |
1578 | |
e158cf8f |
1579 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1580 | OP *const var = my_var( |
1581 | aTHX_ |
1582 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1583 | param_spec->positional_required.data[i].padoff |
1584 | ); |
1585 | lhs = op_append_elem(OP_LIST, lhs, var); |
1586 | } |
63915d26 |
1587 | |
e158cf8f |
1588 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1589 | OP *const var = my_var( |
1590 | aTHX_ |
1591 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1592 | param_spec->positional_optional.data[i].param.padoff |
1593 | ); |
1594 | lhs = op_append_elem(OP_LIST, lhs, var); |
1595 | } |
63915d26 |
1596 | |
fc634bba |
1597 | { |
1598 | PADOFFSET padoff; |
1599 | I32 type; |
1600 | bool slurpy_hash; |
1601 | |
1602 | /* |
1603 | * cases: |
1604 | * 1) no named params |
1605 | * 1.1) slurpy |
1606 | * => put it in |
1607 | * 1.2) no slurpy |
1608 | * => nop |
1609 | * 2) named params |
1610 | * 2.1) no slurpy |
1611 | * => synthetic %{rest} |
1612 | * 2.2) slurpy is a hash |
1613 | * => put it in |
1614 | * 2.3) slurpy is an array |
1615 | * => synthetic %{rest} |
1616 | * remember to declare array later |
1617 | */ |
1618 | |
1619 | slurpy_hash = param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'; |
1620 | if (!count_named_params(param_spec)) { |
1621 | if (param_spec->slurpy.name) { |
1622 | padoff = param_spec->slurpy.padoff; |
1623 | type = slurpy_hash ? OP_PADHV : OP_PADAV; |
1624 | } else { |
1625 | padoff = NOT_IN_PAD; |
1626 | type = OP_PADSV; |
1627 | } |
1628 | } else if (slurpy_hash) { |
1629 | padoff = param_spec->slurpy.padoff; |
1630 | type = OP_PADHV; |
e158cf8f |
1631 | } else { |
fc634bba |
1632 | padoff = param_spec->rest_hash = pad_add_name_pvs("%{rest}", 0, NULL, NULL); |
1633 | type = OP_PADHV; |
1634 | } |
1635 | |
1636 | if (padoff != NOT_IN_PAD) { |
e158cf8f |
1637 | OP *const var = my_var_g( |
1638 | aTHX_ |
fc634bba |
1639 | type, |
e158cf8f |
1640 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
fc634bba |
1641 | padoff |
e158cf8f |
1642 | ); |
fc634bba |
1643 | |
e158cf8f |
1644 | lhs = op_append_elem(OP_LIST, lhs, var); |
fc634bba |
1645 | |
1646 | if (type == OP_PADHV) { |
1647 | param_spec->rest_hash = padoff; |
1648 | } |
e158cf8f |
1649 | } |
1650 | } |
63915d26 |
1651 | |
e158cf8f |
1652 | if (lhs) { |
1653 | OP *rhs; |
1654 | lhs->op_flags |= OPf_PARENS; |
1655 | rhs = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
1656 | |
ed95eeff |
1657 | op_guard_update(prelude_sentinel, op_append_list( |
1658 | OP_LINESEQ, prelude_sentinel->op, |
e158cf8f |
1659 | newSTATEOP( |
1660 | 0, NULL, |
1661 | newASSIGNOP(OPf_STACKED, lhs, 0, rhs) |
1662 | ) |
ed95eeff |
1663 | )); |
e158cf8f |
1664 | } |
1665 | } |
63915d26 |
1666 | |
fc634bba |
1667 | /* default positional arguments */ |
e158cf8f |
1668 | { |
1669 | size_t i, lim, req; |
1670 | OP *nest; |
63915d26 |
1671 | |
e158cf8f |
1672 | nest = NULL; |
63915d26 |
1673 | |
e158cf8f |
1674 | req = param_spec->positional_required.used; |
1675 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1676 | ParamInit *cur = ¶m_spec->positional_optional.data[i]; |
1677 | OP *var, *cond; |
63915d26 |
1678 | |
e158cf8f |
1679 | cond = newBINOP( |
1680 | OP_LT, 0, |
1681 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1682 | mkconstiv(aTHX_ req + i + 1) |
e158cf8f |
1683 | ); |
63915d26 |
1684 | |
e158cf8f |
1685 | var = my_var(aTHX_ 0, cur->param.padoff); |
63915d26 |
1686 | |
e158cf8f |
1687 | nest = op_append_list( |
1688 | OP_LINESEQ, nest, |
ed95eeff |
1689 | newASSIGNOP(OPf_STACKED, var, 0, op_guard_relinquish(&cur->init)) |
e158cf8f |
1690 | ); |
e158cf8f |
1691 | nest = newCONDOP( |
1692 | 0, |
1693 | cond, |
1694 | nest, |
1695 | NULL |
1696 | ); |
1697 | } |
1e0f1595 |
1698 | |
ed95eeff |
1699 | op_guard_update(prelude_sentinel, op_append_list( |
1700 | OP_LINESEQ, prelude_sentinel->op, |
e158cf8f |
1701 | nest |
ed95eeff |
1702 | )); |
c311cef3 |
1703 | } |
1704 | |
e158cf8f |
1705 | /* named parameters */ |
1706 | if (count_named_params(param_spec)) { |
fc634bba |
1707 | size_t i, lim; |
1708 | |
1709 | assert(param_spec->rest_hash != NOT_IN_PAD); |
1710 | |
1711 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1712 | Param *cur = ¶m_spec->named_required.data[i]; |
1713 | size_t n; |
1714 | char *p = SvPV(cur->name, n); |
1715 | OP *var, *cond; |
1716 | |
1717 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1718 | |
1719 | if (spec->flags & FLAG_CHECK_NARGS) { |
51a483f8 |
1720 | OP *xcroak, *msg; |
fc634bba |
1721 | |
1722 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1723 | var = newUNOP(OP_DELETE, 0, var); |
1724 | |
1725 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": missing named parameter: %.*s", SVfARG(declarator), (int)(n - 1), p + 1)); |
51a483f8 |
1726 | xcroak = newCVREF( |
fc634bba |
1727 | OPf_WANT_SCALAR, |
1728 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1729 | ); |
51a483f8 |
1730 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1731 | |
1732 | cond = newUNOP(OP_EXISTS, 0, cond); |
1733 | |
51a483f8 |
1734 | cond = newCONDOP(0, cond, var, xcroak); |
fc634bba |
1735 | } |
1736 | |
1737 | var = my_var( |
1738 | aTHX_ |
1739 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1740 | cur->padoff |
1741 | ); |
1742 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1743 | |
ed95eeff |
1744 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1745 | } |
1746 | |
1747 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1748 | ParamInit *cur = ¶m_spec->named_optional.data[i]; |
1749 | size_t n; |
1750 | char *p = SvPV(cur->param.name, n); |
1751 | OP *var, *cond; |
1752 | |
1753 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1754 | var = newUNOP(OP_DELETE, 0, var); |
1755 | |
1756 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1757 | cond = newUNOP(OP_EXISTS, 0, cond); |
1758 | |
ed95eeff |
1759 | cond = newCONDOP(0, cond, var, op_guard_relinquish(&cur->init)); |
fc634bba |
1760 | |
1761 | var = my_var( |
1762 | aTHX_ |
1763 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1764 | cur->param.padoff |
1765 | ); |
1766 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1767 | |
ed95eeff |
1768 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1769 | } |
1770 | |
1771 | if (!param_spec->slurpy.name) { |
1772 | if (spec->flags & FLAG_CHECK_NARGS) { |
1773 | /* croak if %{rest} */ |
51a483f8 |
1774 | OP *xcroak, *cond, *keys, *msg; |
fc634bba |
1775 | |
1776 | keys = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1777 | keys = newLISTOP(OP_SORT, 0, newOP(OP_PUSHMARK, 0), keys); |
1778 | { |
1779 | OP *first, *mid, *last; |
1780 | |
1781 | last = keys; |
1782 | |
1783 | mid = mkconstpvs(", "); |
1784 | mid->op_sibling = last; |
1785 | |
1786 | first = newOP(OP_PUSHMARK, 0); |
1787 | |
1788 | keys = newLISTOP(OP_JOIN, 0, first, mid); |
1789 | keys->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP); |
1790 | ((LISTOP *)keys)->op_last = last; |
1791 | } |
1792 | |
1793 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator))); |
1794 | msg = newBINOP(OP_CONCAT, 0, msg, keys); |
1795 | |
51a483f8 |
1796 | xcroak = newCVREF( |
fc634bba |
1797 | OPf_WANT_SCALAR, |
1798 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1799 | ); |
51a483f8 |
1800 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1801 | |
1802 | cond = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
51a483f8 |
1803 | xcroak = newCONDOP(0, cond, xcroak, NULL); |
fc634bba |
1804 | |
ed95eeff |
1805 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, xcroak))); |
fc634bba |
1806 | } else { |
1807 | OP *clear; |
1808 | |
1809 | clear = newASSIGNOP( |
1810 | OPf_STACKED, |
1811 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1812 | 0, |
1813 | newNULLLIST() |
1814 | ); |
1815 | |
ed95eeff |
1816 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, clear))); |
fc634bba |
1817 | } |
1818 | } else if (param_spec->slurpy.padoff != param_spec->rest_hash) { |
1819 | OP *var, *clear; |
1820 | |
1821 | assert(SvPV_nolen(param_spec->slurpy.name)[0] == '@'); |
1822 | |
1823 | var = my_var_g( |
1824 | aTHX_ |
1825 | OP_PADAV, |
1826 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1827 | param_spec->slurpy.padoff |
1828 | ); |
1829 | |
1830 | var = newASSIGNOP(OPf_STACKED, var, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1831 | |
ed95eeff |
1832 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1833 | |
1834 | clear = newASSIGNOP( |
1835 | OPf_STACKED, |
1836 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1837 | 0, |
1838 | newNULLLIST() |
1839 | ); |
1840 | |
ed95eeff |
1841 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, clear))); |
fc634bba |
1842 | } |
1843 | } |
51a483f8 |
1844 | |
1845 | if (spec->flags & FLAG_CHECK_TARGS) { |
1846 | size_t i, lim, base; |
1847 | |
1848 | base = 1; |
1849 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1850 | Param *cur = ¶m_spec->positional_required.data[i]; |
1851 | |
1852 | if (cur->type) { |
ed95eeff |
1853 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1854 | } |
1855 | } |
1856 | base += i; |
1857 | |
1858 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1859 | Param *cur = ¶m_spec->positional_optional.data[i].param; |
1860 | |
1861 | if (cur->type) { |
ed95eeff |
1862 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1863 | } |
1864 | } |
1865 | base += i; |
1866 | |
1867 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1868 | Param *cur = ¶m_spec->named_required.data[i]; |
1869 | |
1870 | if (cur->type) { |
ed95eeff |
1871 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1872 | } |
1873 | } |
1874 | base += i; |
1875 | |
1876 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1877 | Param *cur = ¶m_spec->named_optional.data[i].param; |
1878 | |
1879 | if (cur->type) { |
ed95eeff |
1880 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1881 | } |
1882 | } |
1883 | base += i; |
1884 | |
1885 | if (param_spec->slurpy.type) { |
1886 | /* $type->valid($_) or croak $type->get_message($_) for @rest / values %rest */ |
a8492ba4 |
1887 | OP *check, *list, *loop; |
51a483f8 |
1888 | |
a8492ba4 |
1889 | check = mktypecheck(aTHX_ declarator, base, param_spec->slurpy.name, NOT_IN_PAD, param_spec->slurpy.type); |
51a483f8 |
1890 | |
1891 | if (SvPV_nolen(param_spec->slurpy.name)[0] == '@') { |
1892 | list = my_var_g(aTHX_ OP_PADAV, 0, param_spec->slurpy.padoff); |
1893 | } else { |
1894 | list = my_var_g(aTHX_ OP_PADHV, 0, param_spec->slurpy.padoff); |
1895 | list = newUNOP(OP_VALUES, 0, list); |
1896 | } |
1897 | |
a8492ba4 |
1898 | loop = newFOROP(0, NULL, list, check, NULL); |
51a483f8 |
1899 | |
ed95eeff |
1900 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, loop))); |
51a483f8 |
1901 | } |
1902 | } |
1e0f1595 |
1903 | } |
c311cef3 |
1904 | |
1e0f1595 |
1905 | /* finally let perl parse the actual subroutine body */ |
1906 | body = parse_block(0); |
c311cef3 |
1907 | |
1e0f1595 |
1908 | /* add '();' to make function return nothing by default */ |
1909 | /* (otherwise the invisible parameter initialization can "leak" into |
1910 | the return value: fun ($x) {}->("asdf", 0) == 2) */ |
ed95eeff |
1911 | if (prelude_sentinel->op) { |
1e0f1595 |
1912 | body = newSTATEOP(0, NULL, body); |
db81d362 |
1913 | } |
1914 | |
ed95eeff |
1915 | body = op_append_list(OP_LINESEQ, op_guard_relinquish(prelude_sentinel), body); |
1e0f1595 |
1916 | |
c311cef3 |
1917 | /* it's go time. */ |
1918 | { |
42e595b0 |
1919 | int runtime = spec->flags & FLAG_RUNTIME; |
53c979f0 |
1920 | CV *cv; |
ed95eeff |
1921 | OP *const attrs = op_guard_relinquish(attrs_sentinel); |
53c979f0 |
1922 | |
c311cef3 |
1923 | SvREFCNT_inc_simple_void(PL_compcv); |
1924 | |
63915d26 |
1925 | /* close outer block: '}' */ |
1926 | S_block_end(aTHX_ save_ix, body); |
1927 | |
53c979f0 |
1928 | cv = newATTRSUB( |
c311cef3 |
1929 | floor_ix, |
42e595b0 |
1930 | saw_name && !runtime ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)) : NULL, |
1931 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
c311cef3 |
1932 | attrs, |
1933 | body |
1934 | ); |
53c979f0 |
1935 | |
2c1cb7bd |
1936 | if (cv) { |
1937 | register_info(aTHX_ PTR2UV(CvROOT(cv)), declarator, spec, param_spec); |
1938 | } |
53c979f0 |
1939 | |
1940 | if (saw_name) { |
42e595b0 |
1941 | if (!runtime) { |
1942 | *pop = newOP(OP_NULL, 0); |
1943 | } else { |
1944 | *pop = newUNOP( |
1945 | OP_ENTERSUB, OPf_STACKED, |
1946 | op_append_elem( |
1947 | OP_LIST, |
1948 | op_append_elem( |
1949 | OP_LIST, |
1950 | mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)), |
1951 | newUNOP( |
1952 | OP_REFGEN, 0, |
1953 | newSVOP(OP_ANONCODE, 0, (SV *)cv) |
1954 | ) |
1955 | ), |
1956 | newCVREF(0, newGVOP(OP_GV, 0, gv_fetchpvs(MY_PKG "::_defun", 0, SVt_PVCV))) |
1957 | ) |
1958 | ); |
1959 | } |
53c979f0 |
1960 | return KEYWORD_PLUGIN_STMT; |
1961 | } |
1962 | |
1963 | *pop = newUNOP( |
1964 | OP_REFGEN, 0, |
1965 | newSVOP( |
1966 | OP_ANONCODE, 0, |
1967 | (SV *)cv |
1968 | ) |
1969 | ); |
1970 | return KEYWORD_PLUGIN_EXPR; |
db81d362 |
1971 | } |
db81d362 |
1972 | } |
1973 | |
8216fac4 |
1974 | static int kw_flags_enter(pTHX_ Sentinel sen, const char *kw_ptr, STRLEN kw_len, KWSpec *spec) { |
1975 | HV *hints; |
1976 | SV *sv, **psv; |
1977 | const char *p, *kw_active; |
1978 | STRLEN kw_active_len; |
fd727b3e |
1979 | bool kw_is_utf8; |
8216fac4 |
1980 | |
1981 | if (!(hints = GvHV(PL_hintgv))) { |
1982 | return FALSE; |
1983 | } |
1984 | if (!(psv = hv_fetchs(hints, HINTK_KEYWORDS, 0))) { |
1985 | return FALSE; |
1986 | } |
1987 | sv = *psv; |
1988 | kw_active = SvPV(sv, kw_active_len); |
1989 | if (kw_active_len <= kw_len) { |
1990 | return FALSE; |
1991 | } |
fd727b3e |
1992 | |
1993 | kw_is_utf8 = lex_bufutf8(); |
1994 | |
8216fac4 |
1995 | for ( |
1996 | p = kw_active; |
1997 | (p = strchr(p, *kw_ptr)) && |
1998 | p < kw_active + kw_active_len - kw_len; |
1999 | p++ |
2000 | ) { |
2001 | if ( |
2002 | (p == kw_active || p[-1] == ' ') && |
2003 | p[kw_len] == ' ' && |
2004 | memcmp(kw_ptr, p, kw_len) == 0 |
2005 | ) { |
2006 | ENTER; |
2007 | SAVETMPS; |
2008 | |
2009 | SAVEDESTRUCTOR_X(sentinel_clear_void, sen); |
2010 | |
2011 | spec->flags = 0; |
7193dffb |
2012 | spec->reify_type = 0; |
8216fac4 |
2013 | spec->shift = sentinel_mortalize(sen, newSVpvs("")); |
2014 | spec->attrs = sentinel_mortalize(sen, newSVpvs("")); |
2015 | |
2016 | #define FETCH_HINTK_INTO(NAME, PTR, LEN, X) STMT_START { \ |
2017 | const char *fk_ptr_; \ |
2018 | STRLEN fk_len_; \ |
fd727b3e |
2019 | I32 fk_xlen_; \ |
8216fac4 |
2020 | SV *fk_sv_; \ |
2021 | fk_sv_ = sentinel_mortalize(sen, newSVpvs(HINTK_ ## NAME)); \ |
2022 | sv_catpvn(fk_sv_, PTR, LEN); \ |
2023 | fk_ptr_ = SvPV(fk_sv_, fk_len_); \ |
fd727b3e |
2024 | fk_xlen_ = fk_len_; \ |
2025 | if (kw_is_utf8) { \ |
2026 | fk_xlen_ = -fk_xlen_; \ |
2027 | } \ |
2028 | if (!((X) = hv_fetch(hints, fk_ptr_, fk_xlen_, 0))) { \ |
8216fac4 |
2029 | croak("%s: internal error: $^H{'%.*s'} not set", MY_PKG, (int)fk_len_, fk_ptr_); \ |
2030 | } \ |
2031 | } STMT_END |
2032 | |
2033 | FETCH_HINTK_INTO(FLAGS_, kw_ptr, kw_len, psv); |
2034 | spec->flags = SvIV(*psv); |
2035 | |
7193dffb |
2036 | FETCH_HINTK_INTO(REIFY_, kw_ptr, kw_len, psv); |
2037 | spec->reify_type = SvIV(*psv); |
2038 | |
8216fac4 |
2039 | FETCH_HINTK_INTO(SHIFT_, kw_ptr, kw_len, psv); |
2040 | SvSetSV(spec->shift, *psv); |
2041 | |
2042 | FETCH_HINTK_INTO(ATTRS_, kw_ptr, kw_len, psv); |
2043 | SvSetSV(spec->attrs, *psv); |
2044 | |
2045 | #undef FETCH_HINTK_INTO |
2046 | return TRUE; |
2047 | } |
2048 | } |
2049 | return FALSE; |
2050 | } |
2051 | |
db81d362 |
2052 | static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) { |
8216fac4 |
2053 | Sentinel sen = { NULL }; |
63915d26 |
2054 | KWSpec spec; |
db81d362 |
2055 | int ret; |
2056 | |
8216fac4 |
2057 | if (kw_flags_enter(aTHX_ sen, keyword_ptr, keyword_len, &spec)) { |
2058 | /* scope was entered, 'sen' and 'spec' are initialized */ |
e4648f19 |
2059 | ret = parse_fun(aTHX_ sen, op_ptr, keyword_ptr, keyword_len, &spec); |
8216fac4 |
2060 | FREETMPS; |
2061 | LEAVE; |
db81d362 |
2062 | } else { |
8216fac4 |
2063 | /* not one of our keywords, no allocation done */ |
7dd35535 |
2064 | ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr); |
db81d362 |
2065 | } |
2066 | |
db81d362 |
2067 | return ret; |
2068 | } |
2069 | |
42e595b0 |
2070 | #ifndef SvREFCNT_dec_NN |
2071 | #define SvREFCNT_dec_NN(SV) SvREFCNT_dec(SV) |
2072 | #endif |
2073 | |
2074 | #ifndef assert_ |
2075 | #ifdef DEBUGGING |
2076 | #define assert_(X) assert(X), |
2077 | #else |
2078 | #define assert_(X) |
2079 | #endif |
2080 | #endif |
2081 | |
2082 | #ifndef gv_method_changed |
2083 | #define gv_method_changed(GV) ( \ |
2084 | assert_(isGV_with_GP(GV)) \ |
2085 | GvREFCNT(GV) > 1 \ |
2086 | ? (void)PL_sub_generation++ \ |
2087 | : mro_method_changed_in(GvSTASH(GV)) \ |
2088 | ) |
2089 | #endif |
2090 | |
db81d362 |
2091 | WARNINGS_RESET |
2092 | |
53c979f0 |
2093 | MODULE = Function::Parameters PACKAGE = Function::Parameters PREFIX = fp_ |
db81d362 |
2094 | PROTOTYPES: ENABLE |
2095 | |
53c979f0 |
2096 | UV |
2097 | fp__cv_root(sv) |
42e595b0 |
2098 | SV *sv |
53c979f0 |
2099 | PREINIT: |
79bce2d4 |
2100 | CV *xcv; |
53c979f0 |
2101 | HV *hv; |
2102 | GV *gv; |
2103 | CODE: |
79bce2d4 |
2104 | xcv = sv_2cv(sv, &hv, &gv, 0); |
2105 | RETVAL = PTR2UV(xcv ? CvROOT(xcv) : NULL); |
53c979f0 |
2106 | OUTPUT: |
2107 | RETVAL |
2108 | |
42e595b0 |
2109 | void |
2110 | fp__defun(name, body) |
2111 | SV *name |
2112 | CV *body |
2113 | PREINIT: |
2114 | GV *gv; |
2115 | CV *xcv; |
2116 | CODE: |
2117 | assert(SvTYPE(body) == SVt_PVCV); |
2118 | gv = gv_fetchsv(name, GV_ADDMULTI, SVt_PVCV); |
2119 | xcv = GvCV(gv); |
2120 | if (xcv) { |
2121 | if (!GvCVGEN(gv) && (CvROOT(xcv) || CvXSUB(xcv)) && ckWARN(WARN_REDEFINE)) { |
2122 | warner(packWARN(WARN_REDEFINE), "Subroutine %"SVf" redefined", SVfARG(name)); |
2123 | } |
2124 | SvREFCNT_dec_NN(xcv); |
2125 | } |
2126 | GvCVGEN(gv) = 0; |
2127 | GvASSUMECV_on(gv); |
2128 | if (GvSTASH(gv)) { |
2129 | gv_method_changed(gv); |
2130 | } |
2131 | GvCV_set(gv, (CV *)SvREFCNT_inc_simple_NN(body)); |
2132 | CvGV_set(body, gv); |
2133 | CvANON_off(body); |
2134 | |
db81d362 |
2135 | BOOT: |
2136 | WARNINGS_ENABLE { |
2137 | HV *const stash = gv_stashpvs(MY_PKG, GV_ADD); |
426a4d69 |
2138 | /**/ |
d8e5d540 |
2139 | newCONSTSUB(stash, "FLAG_NAME_OK", newSViv(FLAG_NAME_OK)); |
2140 | newCONSTSUB(stash, "FLAG_ANON_OK", newSViv(FLAG_ANON_OK)); |
63915d26 |
2141 | newCONSTSUB(stash, "FLAG_DEFAULT_ARGS", newSViv(FLAG_DEFAULT_ARGS)); |
d8e5d540 |
2142 | newCONSTSUB(stash, "FLAG_CHECK_NARGS", newSViv(FLAG_CHECK_NARGS)); |
2143 | newCONSTSUB(stash, "FLAG_INVOCANT", newSViv(FLAG_INVOCANT)); |
e158cf8f |
2144 | newCONSTSUB(stash, "FLAG_NAMED_PARAMS", newSViv(FLAG_NAMED_PARAMS)); |
51a483f8 |
2145 | newCONSTSUB(stash, "FLAG_TYPES_OK", newSViv(FLAG_TYPES_OK)); |
2146 | newCONSTSUB(stash, "FLAG_CHECK_TARGS", newSViv(FLAG_CHECK_TARGS)); |
42e595b0 |
2147 | newCONSTSUB(stash, "FLAG_RUNTIME", newSViv(FLAG_RUNTIME)); |
db81d362 |
2148 | newCONSTSUB(stash, "HINTK_KEYWORDS", newSVpvs(HINTK_KEYWORDS)); |
d8e5d540 |
2149 | newCONSTSUB(stash, "HINTK_FLAGS_", newSVpvs(HINTK_FLAGS_)); |
2150 | newCONSTSUB(stash, "HINTK_SHIFT_", newSVpvs(HINTK_SHIFT_)); |
2151 | newCONSTSUB(stash, "HINTK_ATTRS_", newSVpvs(HINTK_ATTRS_)); |
7193dffb |
2152 | newCONSTSUB(stash, "HINTK_REIFY_", newSVpvs(HINTK_REIFY_)); |
426a4d69 |
2153 | /**/ |
db81d362 |
2154 | next_keyword_plugin = PL_keyword_plugin; |
2155 | PL_keyword_plugin = my_keyword_plugin; |
2156 | } WARNINGS_RESET |