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:" |
88 | |
89 | #define DEFSTRUCT(T) typedef struct T T; struct T |
90 | |
0f875412 |
91 | #define UV_BITS (sizeof (UV) * CHAR_BIT) |
63915d26 |
92 | |
93 | enum { |
94 | FLAG_NAME_OK = 0x01, |
95 | FLAG_ANON_OK = 0x02, |
96 | FLAG_DEFAULT_ARGS = 0x04, |
d8e5d540 |
97 | FLAG_CHECK_NARGS = 0x08, |
e158cf8f |
98 | FLAG_INVOCANT = 0x10, |
51a483f8 |
99 | FLAG_NAMED_PARAMS = 0x20, |
100 | FLAG_TYPES_OK = 0x40, |
101 | FLAG_CHECK_TARGS = 0x80 |
63915d26 |
102 | }; |
103 | |
104 | DEFSTRUCT(KWSpec) { |
105 | unsigned flags; |
b72eb6ee |
106 | SV *shift; |
107 | SV *attrs; |
63915d26 |
108 | }; |
db81d362 |
109 | |
110 | static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **); |
111 | |
e4648f19 |
112 | DEFSTRUCT(Resource) { |
113 | Resource *next; |
114 | void *data; |
115 | void (*destroy)(pTHX_ void *); |
116 | }; |
117 | |
118 | typedef Resource *Sentinel[1]; |
119 | |
120 | static void sentinel_clear_void(pTHX_ void *p) { |
121 | Resource **pp = p; |
122 | while (*pp) { |
123 | Resource *cur = *pp; |
a4c13d40 |
124 | if (cur->destroy) { |
125 | cur->destroy(aTHX_ cur->data); |
126 | } |
e4648f19 |
127 | cur->data = (void *)"no"; |
128 | cur->destroy = NULL; |
129 | *pp = cur->next; |
130 | Safefree(cur); |
131 | } |
132 | } |
133 | |
a4c13d40 |
134 | static Resource *sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) { |
e4648f19 |
135 | Resource *cur; |
136 | |
137 | Newx(cur, 1, Resource); |
138 | cur->data = data; |
139 | cur->destroy = destroy; |
140 | cur->next = *sen; |
141 | *sen = cur; |
a4c13d40 |
142 | |
143 | return cur; |
144 | } |
145 | |
146 | static void sentinel_disarm(Resource *p) { |
147 | p->destroy = NULL; |
e4648f19 |
148 | } |
149 | |
150 | static void my_sv_refcnt_dec_void(pTHX_ void *p) { |
151 | SV *sv = p; |
152 | SvREFCNT_dec(sv); |
153 | } |
154 | |
155 | static SV *sentinel_mortalize(Sentinel sen, SV *sv) { |
156 | sentinel_register(sen, sv, my_sv_refcnt_dec_void); |
157 | return sv; |
158 | } |
159 | |
db81d362 |
160 | |
ed95eeff |
161 | #if HAVE_PERL_VERSION(5, 17, 2) |
162 | #define MY_OP_SLABBED(O) ((O)->op_slabbed) |
163 | #else |
164 | #define MY_OP_SLABBED(O) 0 |
165 | #endif |
166 | |
167 | DEFSTRUCT(OpGuard) { |
168 | OP *op; |
169 | bool needs_freed; |
170 | }; |
171 | |
172 | static void op_guard_init(OpGuard *p) { |
173 | p->op = NULL; |
174 | p->needs_freed = FALSE; |
175 | } |
176 | |
177 | static OpGuard op_guard_transfer(OpGuard *p) { |
178 | OpGuard r = *p; |
179 | op_guard_init(p); |
180 | return r; |
181 | } |
182 | |
183 | static OP *op_guard_relinquish(OpGuard *p) { |
184 | OP *o = p->op; |
185 | op_guard_init(p); |
186 | return o; |
187 | } |
188 | |
189 | static void op_guard_update(OpGuard *p, OP *o) { |
190 | p->op = o; |
191 | p->needs_freed = o && !MY_OP_SLABBED(o); |
192 | } |
193 | |
194 | static void op_guard_clear(pTHX_ OpGuard *p) { |
195 | if (p->needs_freed) { |
196 | op_free(p->op); |
197 | } |
198 | } |
199 | |
200 | static void free_op_guard_void(pTHX_ void *vp) { |
201 | OpGuard *p = vp; |
202 | op_guard_clear(aTHX_ p); |
203 | Safefree(p); |
c311cef3 |
204 | } |
205 | |
51a483f8 |
206 | static void free_op_void(pTHX_ void *vp) { |
207 | OP *p = vp; |
208 | op_free(p); |
209 | } |
210 | |
59016bfb |
211 | #define sv_eq_pvs(SV, S) my_sv_eq_pvn(aTHX_ SV, "" S "", sizeof (S) - 1) |
c311cef3 |
212 | |
59016bfb |
213 | static int my_sv_eq_pvn(pTHX_ SV *sv, const char *p, STRLEN n) { |
c311cef3 |
214 | STRLEN sv_len; |
215 | const char *sv_p = SvPV(sv, sv_len); |
59016bfb |
216 | return memcmp(sv_p, p, n) == 0; |
c311cef3 |
217 | } |
218 | |
219 | |
220 | #include "padop_on_crack.c.inc" |
221 | |
222 | |
c311cef3 |
223 | enum { |
224 | MY_ATTR_LVALUE = 0x01, |
225 | MY_ATTR_METHOD = 0x02, |
226 | MY_ATTR_SPECIAL = 0x04 |
227 | }; |
228 | |
31534187 |
229 | static void my_sv_cat_c(pTHX_ SV *sv, U32 c) { |
230 | char ds[UTF8_MAXBYTES + 1], *d; |
67fc1ddb |
231 | d = (char *)uvchr_to_utf8((U8 *)ds, c); |
31534187 |
232 | if (d - ds > 1) { |
233 | sv_utf8_upgrade(sv); |
234 | } |
235 | sv_catpvn(sv, ds, d - ds); |
236 | } |
237 | |
31534187 |
238 | |
e6d62383 |
239 | #define MY_UNI_IDFIRST(C) isIDFIRST_uni(C) |
240 | #define MY_UNI_IDCONT(C) isALNUM_uni(C) |
31534187 |
241 | |
e4648f19 |
242 | static SV *my_scan_word(pTHX_ Sentinel sen, bool allow_package) { |
31534187 |
243 | bool at_start, at_substart; |
244 | I32 c; |
e4648f19 |
245 | SV *sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
246 | if (lex_bufutf8()) { |
247 | SvUTF8_on(sv); |
248 | } |
249 | |
250 | at_start = at_substart = TRUE; |
251 | c = lex_peek_unichar(0); |
252 | |
253 | while (c != -1) { |
e6d62383 |
254 | if (at_substart ? MY_UNI_IDFIRST(c) : MY_UNI_IDCONT(c)) { |
31534187 |
255 | lex_read_unichar(0); |
256 | my_sv_cat_c(aTHX_ sv, c); |
257 | at_substart = FALSE; |
258 | c = lex_peek_unichar(0); |
259 | } else if (allow_package && !at_substart && c == '\'') { |
260 | lex_read_unichar(0); |
261 | c = lex_peek_unichar(0); |
e6d62383 |
262 | if (!MY_UNI_IDFIRST(c)) { |
31534187 |
263 | lex_stuff_pvs("'", 0); |
264 | break; |
265 | } |
266 | sv_catpvs(sv, "'"); |
267 | at_substart = TRUE; |
268 | } else if (allow_package && (at_start || !at_substart) && c == ':') { |
269 | lex_read_unichar(0); |
270 | if (lex_peek_unichar(0) != ':') { |
271 | lex_stuff_pvs(":", 0); |
272 | break; |
273 | } |
274 | lex_read_unichar(0); |
275 | c = lex_peek_unichar(0); |
e6d62383 |
276 | if (!MY_UNI_IDFIRST(c)) { |
31534187 |
277 | lex_stuff_pvs("::", 0); |
278 | break; |
279 | } |
280 | sv_catpvs(sv, "::"); |
281 | at_substart = TRUE; |
282 | } else { |
283 | break; |
284 | } |
285 | at_start = FALSE; |
286 | } |
287 | |
288 | return SvCUR(sv) ? sv : NULL; |
289 | } |
290 | |
e4648f19 |
291 | static SV *my_scan_parens_tail(pTHX_ Sentinel sen, bool keep_backslash) { |
31534187 |
292 | I32 c, nesting; |
293 | SV *sv; |
294 | line_t start; |
295 | |
296 | start = CopLINE(PL_curcop); |
297 | |
e4648f19 |
298 | sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
299 | if (lex_bufutf8()) { |
300 | SvUTF8_on(sv); |
301 | } |
302 | |
303 | nesting = 0; |
304 | for (;;) { |
305 | c = lex_read_unichar(0); |
306 | if (c == EOF) { |
307 | CopLINE_set(PL_curcop, start); |
308 | return NULL; |
309 | } |
310 | |
311 | if (c == '\\') { |
312 | c = lex_read_unichar(0); |
313 | if (c == EOF) { |
314 | CopLINE_set(PL_curcop, start); |
315 | return NULL; |
316 | } |
317 | if (keep_backslash || (c != '(' && c != ')')) { |
318 | sv_catpvs(sv, "\\"); |
319 | } |
320 | } else if (c == '(') { |
321 | nesting++; |
322 | } else if (c == ')') { |
323 | if (!nesting) { |
324 | break; |
325 | } |
326 | nesting--; |
327 | } |
328 | |
329 | my_sv_cat_c(aTHX_ sv, c); |
330 | } |
331 | |
332 | return sv; |
333 | } |
334 | |
e4648f19 |
335 | static void my_check_prototype(pTHX_ Sentinel sen, const SV *declarator, SV *proto) { |
31534187 |
336 | char *start, *r, *w, *end; |
337 | STRLEN len; |
338 | |
339 | /* strip spaces */ |
340 | start = SvPV(proto, len); |
341 | end = start + len; |
342 | |
343 | for (w = r = start; r < end; r++) { |
344 | if (!isSPACE(*r)) { |
345 | *w++ = *r; |
346 | } |
347 | } |
348 | *w = '\0'; |
349 | SvCUR_set(proto, w - start); |
350 | end = w; |
351 | len = end - start; |
352 | |
353 | if (!ckWARN(WARN_ILLEGALPROTO)) { |
354 | return; |
355 | } |
356 | |
357 | /* check for bad characters */ |
358 | if (strspn(start, "$@%*;[]&\\_+") != len) { |
e4648f19 |
359 | SV *dsv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
360 | warner( |
361 | packWARN(WARN_ILLEGALPROTO), |
362 | "Illegal character in prototype for %"SVf" : %s", |
363 | SVfARG(declarator), |
364 | SvUTF8(proto) |
365 | ? sv_uni_display( |
366 | dsv, |
367 | proto, |
368 | len, |
369 | UNI_DISPLAY_ISPRINT |
370 | ) |
371 | : pv_pretty(dsv, start, len, 60, NULL, NULL, |
372 | PERL_PV_ESCAPE_NONASCII |
373 | ) |
374 | ); |
375 | return; |
376 | } |
377 | |
378 | for (r = start; r < end; r++) { |
379 | switch (*r) { |
380 | default: |
381 | warner( |
382 | packWARN(WARN_ILLEGALPROTO), |
383 | "Illegal character in prototype for %"SVf" : %s", |
384 | SVfARG(declarator), r |
385 | ); |
386 | return; |
387 | |
388 | case '_': |
389 | if (r[1] && !strchr(";@%", *r)) { |
390 | warner( |
391 | packWARN(WARN_ILLEGALPROTO), |
392 | "Illegal character after '_' in prototype for %"SVf" : %s", |
393 | SVfARG(declarator), r |
394 | ); |
395 | return; |
396 | } |
397 | break; |
398 | |
399 | case '@': |
400 | case '%': |
401 | if (r[1]) { |
402 | warner( |
403 | packWARN(WARN_ILLEGALPROTO), |
404 | "prototype after '%c' for %"SVf": %s", |
405 | *r, SVfARG(declarator), r + 1 |
406 | ); |
407 | return; |
408 | } |
409 | break; |
410 | |
411 | case '\\': |
412 | r++; |
413 | if (strchr("$@%&*", *r)) { |
414 | break; |
415 | } |
416 | if (*r == '[') { |
417 | r++; |
418 | for (; r < end && *r != ']'; r++) { |
419 | if (!strchr("$@%&*", *r)) { |
420 | break; |
421 | } |
422 | } |
423 | if (*r == ']' && r[-1] != '[') { |
424 | break; |
425 | } |
426 | } |
427 | warner( |
428 | packWARN(WARN_ILLEGALPROTO), |
429 | "Illegal character after '\\' in prototype for %"SVf" : %s", |
430 | SVfARG(declarator), r |
431 | ); |
432 | return; |
433 | |
434 | case '$': |
435 | case '*': |
436 | case '&': |
437 | case ';': |
438 | case '+': |
439 | break; |
440 | } |
441 | } |
442 | } |
443 | |
51a483f8 |
444 | static SV *parse_type(pTHX_ Sentinel, const SV *); |
445 | |
446 | static SV *parse_type_paramd(pTHX_ Sentinel sen, const SV *declarator) { |
447 | I32 c; |
448 | SV *t; |
449 | |
450 | t = my_scan_word(aTHX_ sen, TRUE); |
451 | lex_read_space(0); |
452 | |
453 | c = lex_peek_unichar(0); |
454 | if (c == '[') { |
455 | SV *u; |
456 | |
457 | lex_read_unichar(0); |
458 | lex_read_space(0); |
459 | my_sv_cat_c(aTHX_ t, c); |
460 | |
461 | u = parse_type(aTHX_ sen, declarator); |
462 | sv_catsv(t, u); |
463 | |
464 | c = lex_peek_unichar(0); |
465 | if (c != ']') { |
466 | croak("In %"SVf": missing ']' after '%"SVf"'", SVfARG(declarator), SVfARG(t)); |
467 | } |
468 | lex_read_unichar(0); |
469 | lex_read_space(0); |
470 | |
471 | my_sv_cat_c(aTHX_ t, c); |
472 | } |
473 | |
474 | return t; |
475 | } |
476 | |
477 | static SV *parse_type(pTHX_ Sentinel sen, const SV *declarator) { |
478 | I32 c; |
479 | SV *t; |
480 | |
481 | t = parse_type_paramd(aTHX_ sen, declarator); |
482 | |
483 | c = lex_peek_unichar(0); |
484 | while (c == '|') { |
485 | SV *u; |
486 | |
487 | lex_read_unichar(0); |
488 | lex_read_space(0); |
489 | |
490 | my_sv_cat_c(aTHX_ t, c); |
491 | u = parse_type_paramd(aTHX_ sen, declarator); |
492 | sv_catsv(t, u); |
493 | |
494 | c = lex_peek_unichar(0); |
495 | } |
496 | |
497 | return t; |
498 | } |
499 | |
500 | static SV *reify_type(pTHX_ Sentinel sen, const SV *declarator, SV *name) { |
501 | SV *t; |
502 | int n; |
503 | dSP; |
504 | |
505 | ENTER; |
506 | SAVETMPS; |
507 | |
508 | PUSHMARK(SP); |
509 | EXTEND(SP, 1); |
510 | PUSHs(name); |
511 | PUTBACK; |
512 | |
700071de |
513 | n = call_pv("Moose::Util::TypeConstraints::find_or_create_isa_type_constraint", G_SCALAR); |
51a483f8 |
514 | SPAGAIN; |
515 | |
516 | assert(n == 1); |
a8492ba4 |
517 | /* don't warn about n being unused if assert() is compiled out */ |
518 | n = n; |
519 | |
51a483f8 |
520 | t = sentinel_mortalize(sen, SvREFCNT_inc(POPs)); |
521 | |
522 | PUTBACK; |
523 | FREETMPS; |
524 | LEAVE; |
525 | |
526 | if (!SvTRUE(t)) { |
527 | croak("In %"SVf": undefined type '%"SVf"'", SVfARG(declarator), SVfARG(name)); |
528 | } |
529 | |
530 | return t; |
531 | } |
532 | |
e158cf8f |
533 | |
534 | DEFSTRUCT(Param) { |
535 | SV *name; |
536 | PADOFFSET padoff; |
51a483f8 |
537 | SV *type; |
e158cf8f |
538 | }; |
539 | |
540 | DEFSTRUCT(ParamInit) { |
541 | Param param; |
ed95eeff |
542 | OpGuard init; |
e158cf8f |
543 | }; |
544 | |
545 | #define VEC(B) B ## _Vec |
546 | |
547 | #define DEFVECTOR(B) DEFSTRUCT(VEC(B)) { \ |
548 | B (*data); \ |
549 | size_t used, size; \ |
550 | } |
551 | |
552 | DEFVECTOR(Param); |
553 | DEFVECTOR(ParamInit); |
554 | |
555 | #define DEFVECTOR_INIT(N, B) static void N(VEC(B) *p) { \ |
556 | p->used = 0; \ |
557 | p->size = 23; \ |
558 | Newx(p->data, p->size, B); \ |
559 | } static void N(VEC(B) *) |
560 | |
561 | DEFSTRUCT(ParamSpec) { |
562 | Param invocant; |
563 | VEC(Param) positional_required; |
564 | VEC(ParamInit) positional_optional; |
565 | VEC(Param) named_required; |
566 | VEC(ParamInit) named_optional; |
567 | Param slurpy; |
fc634bba |
568 | PADOFFSET rest_hash; |
e158cf8f |
569 | }; |
570 | |
571 | DEFVECTOR_INIT(pv_init, Param); |
572 | DEFVECTOR_INIT(piv_init, ParamInit); |
573 | |
574 | static void p_init(Param *p) { |
575 | p->name = NULL; |
576 | p->padoff = NOT_IN_PAD; |
51a483f8 |
577 | p->type = NULL; |
e158cf8f |
578 | } |
579 | |
580 | static void ps_init(ParamSpec *ps) { |
581 | p_init(&ps->invocant); |
582 | pv_init(&ps->positional_required); |
583 | piv_init(&ps->positional_optional); |
584 | pv_init(&ps->named_required); |
585 | piv_init(&ps->named_optional); |
586 | p_init(&ps->slurpy); |
fc634bba |
587 | ps->rest_hash = NOT_IN_PAD; |
e158cf8f |
588 | } |
589 | |
590 | #define DEFVECTOR_EXTEND(N, B) static B (*N(VEC(B) *p)) { \ |
591 | assert(p->used <= p->size); \ |
592 | if (p->used == p->size) { \ |
593 | const size_t n = p->size / 2 * 3 + 1; \ |
594 | Renew(p->data, n, B); \ |
595 | p->size = n; \ |
596 | } \ |
597 | return &p->data[p->used]; \ |
598 | } static B (*N(VEC(B) *)) |
599 | |
600 | DEFVECTOR_EXTEND(pv_extend, Param); |
601 | DEFVECTOR_EXTEND(piv_extend, ParamInit); |
602 | |
603 | #define DEFVECTOR_CLEAR(N, B, F) static void N(pTHX_ VEC(B) *p) { \ |
604 | while (p->used) { \ |
605 | p->used--; \ |
606 | F(aTHX_ &p->data[p->used]); \ |
607 | } \ |
608 | Safefree(p->data); \ |
609 | p->data = NULL; \ |
610 | p->size = 0; \ |
611 | } static void N(pTHX_ VEC(B) *) |
612 | |
613 | static void p_clear(pTHX_ Param *p) { |
614 | p->name = NULL; |
615 | p->padoff = NOT_IN_PAD; |
51a483f8 |
616 | p->type = NULL; |
e158cf8f |
617 | } |
618 | |
619 | static void pi_clear(pTHX_ ParamInit *pi) { |
620 | p_clear(aTHX_ &pi->param); |
ed95eeff |
621 | op_guard_clear(aTHX_ &pi->init); |
e158cf8f |
622 | } |
623 | |
624 | DEFVECTOR_CLEAR(pv_clear, Param, p_clear); |
625 | DEFVECTOR_CLEAR(piv_clear, ParamInit, pi_clear); |
626 | |
627 | static void ps_clear(pTHX_ ParamSpec *ps) { |
628 | p_clear(aTHX_ &ps->invocant); |
629 | |
630 | pv_clear(aTHX_ &ps->positional_required); |
631 | piv_clear(aTHX_ &ps->positional_optional); |
632 | |
633 | pv_clear(aTHX_ &ps->named_required); |
634 | piv_clear(aTHX_ &ps->named_optional); |
635 | |
636 | p_clear(aTHX_ &ps->slurpy); |
637 | } |
638 | |
639 | static int ps_contains(pTHX_ const ParamSpec *ps, SV *sv) { |
640 | size_t i, lim; |
641 | |
642 | if (ps->invocant.name && sv_eq(sv, ps->invocant.name)) { |
643 | return 1; |
644 | } |
645 | |
646 | for (i = 0, lim = ps->positional_required.used; i < lim; i++) { |
647 | if (sv_eq(sv, ps->positional_required.data[i].name)) { |
648 | return 1; |
649 | } |
650 | } |
651 | |
652 | for (i = 0, lim = ps->positional_optional.used; i < lim; i++) { |
653 | if (sv_eq(sv, ps->positional_optional.data[i].param.name)) { |
654 | return 1; |
655 | } |
656 | } |
657 | |
658 | for (i = 0, lim = ps->named_required.used; i < lim; i++) { |
659 | if (sv_eq(sv, ps->named_required.data[i].name)) { |
660 | return 1; |
661 | } |
662 | } |
663 | |
664 | for (i = 0, lim = ps->named_optional.used; i < lim; i++) { |
665 | if (sv_eq(sv, ps->named_optional.data[i].param.name)) { |
666 | return 1; |
667 | } |
668 | } |
669 | |
670 | return 0; |
671 | } |
672 | |
673 | static void ps_free_void(pTHX_ void *p) { |
674 | ps_clear(aTHX_ p); |
675 | Safefree(p); |
676 | } |
677 | |
678 | static int args_min(pTHX_ const ParamSpec *ps, const KWSpec *ks) { |
679 | int n = 0; |
680 | if (!ps) { |
681 | return SvTRUE(ks->shift) ? 1 : 0; |
682 | } |
683 | if (ps->invocant.name) { |
684 | n++; |
685 | } |
686 | n += ps->positional_required.used; |
687 | n += ps->named_required.used * 2; |
688 | return n; |
689 | } |
690 | |
691 | static int args_max(const ParamSpec *ps) { |
692 | int n = 0; |
693 | if (!ps) { |
694 | return -1; |
695 | } |
696 | if (ps->invocant.name) { |
697 | n++; |
698 | } |
699 | n += ps->positional_required.used; |
700 | n += ps->positional_optional.used; |
701 | if (ps->named_required.used || ps->named_optional.used || ps->slurpy.name) { |
702 | n = -1; |
703 | } |
704 | return n; |
705 | } |
706 | |
707 | static size_t count_positional_params(const ParamSpec *ps) { |
708 | return ps->positional_required.used + ps->positional_optional.used; |
709 | } |
710 | |
711 | static size_t count_named_params(const ParamSpec *ps) { |
712 | return ps->named_required.used + ps->named_optional.used; |
713 | } |
714 | |
51a483f8 |
715 | static void my_require(pTHX_ const char *file) { |
c90fb97a |
716 | SV *err; |
51a483f8 |
717 | require_pv(file); |
c90fb97a |
718 | err = ERRSV; |
719 | if (SvTRUE(err)) { |
720 | croak_sv(err); |
51a483f8 |
721 | } |
722 | } |
723 | |
724 | static SV *my_eval(pTHX_ Sentinel sen, I32 floor, OP *op) { |
725 | SV *sv; |
726 | CV *cv; |
727 | dSP; |
728 | |
729 | cv = newATTRSUB(floor, NULL, NULL, NULL, op); |
730 | |
731 | ENTER; |
732 | SAVETMPS; |
733 | |
734 | PUSHMARK(SP); |
735 | call_sv((SV *)cv, G_SCALAR | G_NOARGS); |
736 | SPAGAIN; |
737 | sv = sentinel_mortalize(sen, SvREFCNT_inc(POPs)); |
738 | |
739 | PUTBACK; |
740 | FREETMPS; |
741 | LEAVE; |
742 | |
743 | return sv; |
744 | } |
745 | |
e158cf8f |
746 | enum { |
747 | PARAM_INVOCANT = 0x01, |
748 | PARAM_NAMED = 0x02 |
749 | }; |
750 | |
e158cf8f |
751 | static PADOFFSET parse_param( |
752 | pTHX_ |
e4648f19 |
753 | Sentinel sen, |
e158cf8f |
754 | const SV *declarator, const KWSpec *spec, ParamSpec *param_spec, |
ed95eeff |
755 | int *pflags, SV **pname, OpGuard *ginit, SV **ptype |
e158cf8f |
756 | ) { |
757 | I32 c; |
758 | char sigil; |
a4c13d40 |
759 | SV *name; |
e158cf8f |
760 | |
ed95eeff |
761 | assert(!ginit->op); |
e158cf8f |
762 | *pflags = 0; |
51a483f8 |
763 | *ptype = NULL; |
e158cf8f |
764 | |
765 | c = lex_peek_unichar(0); |
766 | |
51a483f8 |
767 | if (spec->flags & FLAG_TYPES_OK) { |
768 | if (c == '(') { |
769 | I32 floor; |
770 | OP *expr; |
a4c13d40 |
771 | Resource *expr_sentinel; |
51a483f8 |
772 | |
773 | lex_read_unichar(0); |
774 | |
a4c13d40 |
775 | floor = start_subparse(FALSE, 0); |
776 | SAVEFREESV(PL_compcv); |
777 | CvSPECIAL_on(PL_compcv); |
51a483f8 |
778 | |
779 | if (!(expr = parse_fullexpr(PARSE_OPTIONAL))) { |
780 | croak("In %"SVf": invalid type expression", SVfARG(declarator)); |
781 | } |
ed95eeff |
782 | if (MY_OP_SLABBED(expr)) { |
783 | expr_sentinel = NULL; |
784 | } else { |
785 | expr_sentinel = sentinel_register(sen, expr, free_op_void); |
786 | } |
51a483f8 |
787 | |
788 | lex_read_space(0); |
789 | c = lex_peek_unichar(0); |
790 | if (c != ')') { |
791 | croak("In %"SVf": missing ')' after type expression", SVfARG(declarator)); |
792 | } |
793 | lex_read_unichar(0); |
794 | lex_read_space(0); |
795 | |
a4c13d40 |
796 | SvREFCNT_inc_simple_void(PL_compcv); |
ed95eeff |
797 | if (expr_sentinel) { |
798 | sentinel_disarm(expr_sentinel); |
799 | } |
51a483f8 |
800 | *ptype = my_eval(aTHX_ sen, floor, expr); |
a4c13d40 |
801 | *ptype = reify_type(aTHX_ sen, declarator, *ptype); |
51a483f8 |
802 | if (!sv_isobject(*ptype)) { |
803 | croak("In %"SVf": (%"SVf") doesn't look like a type object", SVfARG(declarator), SVfARG(*ptype)); |
804 | } |
805 | |
806 | c = lex_peek_unichar(0); |
e6d62383 |
807 | } else if (MY_UNI_IDFIRST(c)) { |
a4c13d40 |
808 | *ptype = parse_type(aTHX_ sen, declarator); |
51a483f8 |
809 | my_require(aTHX_ "Moose/Util/TypeConstraints.pm"); |
a4c13d40 |
810 | *ptype = reify_type(aTHX_ sen, declarator, *ptype); |
51a483f8 |
811 | |
812 | c = lex_peek_unichar(0); |
813 | } |
814 | } |
815 | |
e158cf8f |
816 | if (c == ':') { |
817 | lex_read_unichar(0); |
818 | lex_read_space(0); |
819 | |
820 | *pflags |= PARAM_NAMED; |
821 | |
822 | c = lex_peek_unichar(0); |
823 | } |
824 | |
825 | if (c == -1) { |
826 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
827 | } |
51a483f8 |
828 | |
e158cf8f |
829 | if (!(c == '$' || c == '@' || c == '%')) { |
830 | croak("In %"SVf": unexpected '%c' in parameter list (expecting a sigil)", SVfARG(declarator), (int)c); |
831 | } |
832 | |
833 | sigil = c; |
834 | |
835 | lex_read_unichar(0); |
836 | lex_read_space(0); |
837 | |
e4648f19 |
838 | if (!(name = my_scan_word(aTHX_ sen, FALSE))) { |
e158cf8f |
839 | croak("In %"SVf": missing identifier after '%c'", SVfARG(declarator), sigil); |
840 | } |
841 | sv_insert(name, 0, 0, &sigil, 1); |
842 | *pname = name; |
843 | |
844 | lex_read_space(0); |
845 | c = lex_peek_unichar(0); |
846 | |
847 | if (c == '=') { |
848 | lex_read_unichar(0); |
849 | lex_read_space(0); |
850 | |
851 | |
852 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
853 | param_spec->invocant.name = spec->shift; |
854 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
855 | } |
856 | |
ed95eeff |
857 | op_guard_update(ginit, parse_termexpr(0)); |
e158cf8f |
858 | |
859 | lex_read_space(0); |
860 | c = lex_peek_unichar(0); |
861 | } |
862 | |
863 | if (c == ':') { |
864 | *pflags |= PARAM_INVOCANT; |
865 | lex_read_unichar(0); |
866 | lex_read_space(0); |
867 | } else if (c == ',') { |
868 | lex_read_unichar(0); |
869 | lex_read_space(0); |
870 | } else if (c != ')') { |
871 | if (c == -1) { |
872 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
873 | } |
874 | croak("In %"SVf": unexpected '%c' in parameter list (expecting ',')", SVfARG(declarator), (int)c); |
875 | } |
876 | |
877 | return pad_add_name_sv(*pname, IF_HAVE_PERL_5_16(padadd_NO_DUP_CHECK, 0), NULL, NULL); |
878 | } |
879 | |
880 | static OP *my_var_g(pTHX_ I32 type, I32 flags, PADOFFSET padoff) { |
881 | OP *var = newOP(type, flags); |
882 | var->op_targ = padoff; |
883 | return var; |
884 | } |
885 | |
886 | static OP *my_var(pTHX_ I32 flags, PADOFFSET padoff) { |
887 | return my_var_g(aTHX_ OP_PADSV, flags, padoff); |
888 | } |
889 | |
fc634bba |
890 | static OP *mkhvelem(pTHX_ PADOFFSET h, OP *k) { |
891 | OP *hv = my_var_g(aTHX_ OP_PADHV, OPf_REF, h); |
892 | return newBINOP(OP_HELEM, 0, hv, k); |
893 | } |
894 | |
895 | static OP *mkconstsv(pTHX_ SV *sv) { |
896 | return newSVOP(OP_CONST, 0, sv); |
897 | } |
898 | |
899 | static OP *mkconstiv(pTHX_ IV i) { |
900 | return mkconstsv(aTHX_ newSViv(i)); |
901 | } |
902 | |
903 | static OP *mkconstpv(pTHX_ const char *p, size_t n) { |
904 | return mkconstsv(aTHX_ newSVpv(p, n)); |
905 | } |
906 | |
907 | #define mkconstpvs(S) mkconstpv(aTHX_ "" S "", sizeof S - 1) |
908 | |
51a483f8 |
909 | static OP *mktypecheck(pTHX_ const SV *declarator, int nr, SV *name, PADOFFSET padoff, SV *type) { |
910 | /* $type->check($value) or Carp::croak "...: " . $type->get_message($value) */ |
a8492ba4 |
911 | OP *chk, *err, *msg, *xcroak; |
51a483f8 |
912 | |
913 | err = mkconstsv(aTHX_ newSVpvf("In %"SVf": parameter %d (%"SVf"): ", SVfARG(declarator), nr, SVfARG(name))); |
914 | { |
915 | OP *args = NULL; |
916 | |
917 | args = op_append_elem(OP_LIST, args, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(type))); |
918 | args = op_append_elem( |
919 | OP_LIST, args, |
920 | padoff == NOT_IN_PAD |
921 | ? S_newDEFSVOP(aTHX) |
922 | : my_var(aTHX_ 0, padoff) |
923 | ); |
924 | args = op_append_elem(OP_LIST, args, newUNOP(OP_METHOD, 0, mkconstpvs("get_message"))); |
925 | |
926 | msg = args; |
927 | msg->op_type = OP_ENTERSUB; |
928 | msg->op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
929 | msg->op_flags |= OPf_STACKED; |
930 | } |
931 | |
932 | msg = newBINOP(OP_CONCAT, 0, err, msg); |
933 | |
934 | xcroak = newCVREF( |
935 | OPf_WANT_SCALAR, |
936 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
937 | ); |
938 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
939 | |
940 | { |
941 | OP *args = NULL; |
942 | |
943 | args = op_append_elem(OP_LIST, args, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(type))); |
944 | args = op_append_elem( |
945 | OP_LIST, args, |
946 | padoff == NOT_IN_PAD |
947 | ? S_newDEFSVOP(aTHX) |
948 | : my_var(aTHX_ 0, padoff) |
949 | ); |
950 | args = op_append_elem(OP_LIST, args, newUNOP(OP_METHOD, 0, mkconstpvs("check"))); |
951 | |
952 | chk = args; |
953 | chk->op_type = OP_ENTERSUB; |
954 | chk->op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
955 | chk->op_flags |= OPf_STACKED; |
956 | } |
957 | |
958 | chk = newLOGOP(OP_OR, 0, chk, xcroak); |
959 | return chk; |
960 | } |
961 | |
962 | static OP *mktypecheckp(pTHX_ const SV *declarator, int nr, const Param *param) { |
963 | return mktypecheck(aTHX_ declarator, nr, param->name, param->padoff, param->type); |
964 | } |
965 | |
53c979f0 |
966 | static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const ParamSpec *ps) { |
967 | dSP; |
968 | |
969 | ENTER; |
970 | SAVETMPS; |
971 | |
972 | PUSHMARK(SP); |
51a483f8 |
973 | EXTEND(SP, 10); |
53c979f0 |
974 | |
975 | /* 0 */ { |
976 | mPUSHu(key); |
977 | } |
978 | /* 1 */ { |
979 | size_t n; |
980 | char *p = SvPV(declarator, n); |
981 | char *q = memchr(p, ' ', n); |
79bce2d4 |
982 | mPUSHp(p, q ? (size_t)(q - p) : n); |
53c979f0 |
983 | } |
984 | if (!ps) { |
985 | if (SvTRUE(kws->shift)) { |
986 | PUSHs(kws->shift); |
987 | } else { |
988 | PUSHmortal; |
989 | } |
51a483f8 |
990 | PUSHmortal; |
53c979f0 |
991 | mPUSHs(newRV_noinc((SV *)newAV())); |
992 | mPUSHs(newRV_noinc((SV *)newAV())); |
993 | mPUSHs(newRV_noinc((SV *)newAV())); |
994 | mPUSHs(newRV_noinc((SV *)newAV())); |
995 | mPUSHp("@_", 2); |
51a483f8 |
996 | PUSHmortal; |
53c979f0 |
997 | } else { |
51a483f8 |
998 | /* 2, 3 */ { |
53c979f0 |
999 | if (ps->invocant.name) { |
1000 | PUSHs(ps->invocant.name); |
51a483f8 |
1001 | if (ps->invocant.type) { |
1002 | PUSHs(ps->invocant.type); |
1003 | } else { |
1004 | PUSHmortal; |
1005 | } |
53c979f0 |
1006 | } else { |
1007 | PUSHmortal; |
51a483f8 |
1008 | PUSHmortal; |
53c979f0 |
1009 | } |
1010 | } |
51a483f8 |
1011 | /* 4 */ { |
53c979f0 |
1012 | size_t i, lim; |
1013 | AV *av; |
1014 | |
1015 | lim = ps->positional_required.used; |
1016 | |
1017 | av = newAV(); |
1018 | if (lim) { |
51a483f8 |
1019 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1020 | for (i = 0; i < lim; i++) { |
51a483f8 |
1021 | Param *cur = &ps->positional_required.data[i]; |
1022 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1023 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1024 | } |
1025 | } |
1026 | |
1027 | mPUSHs(newRV_noinc((SV *)av)); |
1028 | } |
51a483f8 |
1029 | /* 5 */ { |
53c979f0 |
1030 | size_t i, lim; |
1031 | AV *av; |
1032 | |
1033 | lim = ps->positional_optional.used; |
1034 | |
1035 | av = newAV(); |
1036 | if (lim) { |
51a483f8 |
1037 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1038 | for (i = 0; i < lim; i++) { |
51a483f8 |
1039 | Param *cur = &ps->positional_optional.data[i].param; |
1040 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1041 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1042 | } |
1043 | } |
1044 | |
1045 | mPUSHs(newRV_noinc((SV *)av)); |
1046 | } |
51a483f8 |
1047 | /* 6 */ { |
53c979f0 |
1048 | size_t i, lim; |
1049 | AV *av; |
1050 | |
1051 | lim = ps->named_required.used; |
1052 | |
1053 | av = newAV(); |
1054 | if (lim) { |
51a483f8 |
1055 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1056 | for (i = 0; i < lim; i++) { |
51a483f8 |
1057 | Param *cur = &ps->named_required.data[i]; |
1058 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1059 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1060 | } |
1061 | } |
1062 | |
1063 | mPUSHs(newRV_noinc((SV *)av)); |
1064 | } |
51a483f8 |
1065 | /* 7 */ { |
53c979f0 |
1066 | size_t i, lim; |
1067 | AV *av; |
1068 | |
1069 | lim = ps->named_optional.used; |
1070 | |
1071 | av = newAV(); |
1072 | if (lim) { |
51a483f8 |
1073 | av_extend(av, (lim - 1) * 2); |
53c979f0 |
1074 | for (i = 0; i < lim; i++) { |
51a483f8 |
1075 | Param *cur = &ps->named_optional.data[i].param; |
1076 | av_push(av, SvREFCNT_inc_simple_NN(cur->name)); |
1077 | av_push(av, cur->type ? SvREFCNT_inc_simple_NN(cur->type) : &PL_sv_undef); |
53c979f0 |
1078 | } |
1079 | } |
1080 | |
1081 | mPUSHs(newRV_noinc((SV *)av)); |
1082 | } |
51a483f8 |
1083 | /* 8, 9 */ { |
53c979f0 |
1084 | if (ps->slurpy.name) { |
1085 | PUSHs(ps->slurpy.name); |
51a483f8 |
1086 | if (ps->slurpy.type) { |
1087 | PUSHs(ps->slurpy.type); |
1088 | } else { |
1089 | PUSHmortal; |
1090 | } |
53c979f0 |
1091 | } else { |
1092 | PUSHmortal; |
51a483f8 |
1093 | PUSHmortal; |
53c979f0 |
1094 | } |
1095 | } |
1096 | } |
1097 | PUTBACK; |
1098 | |
1099 | call_pv(MY_PKG "::_register_info", G_VOID); |
1100 | |
1101 | FREETMPS; |
1102 | LEAVE; |
1103 | } |
1104 | |
e4648f19 |
1105 | static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) { |
e158cf8f |
1106 | ParamSpec *param_spec; |
c311cef3 |
1107 | SV *declarator; |
1108 | I32 floor_ix; |
63915d26 |
1109 | int save_ix; |
c311cef3 |
1110 | SV *saw_name; |
ed95eeff |
1111 | OpGuard *prelude_sentinel; |
c311cef3 |
1112 | SV *proto; |
ed95eeff |
1113 | OpGuard *attrs_sentinel; |
1114 | OP *body; |
c311cef3 |
1115 | unsigned builtin_attrs; |
db81d362 |
1116 | I32 c; |
1117 | |
e4648f19 |
1118 | declarator = sentinel_mortalize(sen, newSVpvn(keyword_ptr, keyword_len)); |
db81d362 |
1119 | |
db81d362 |
1120 | lex_read_space(0); |
1121 | |
c311cef3 |
1122 | builtin_attrs = 0; |
1123 | |
db81d362 |
1124 | /* function name */ |
c311cef3 |
1125 | saw_name = NULL; |
e4648f19 |
1126 | if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ sen, TRUE))) { |
c311cef3 |
1127 | |
1128 | if (PL_parser->expect != XSTATE) { |
1129 | /* bail out early so we don't predeclare $saw_name */ |
1130 | croak("In %"SVf": I was expecting a function body, not \"%"SVf"\"", SVfARG(declarator), SVfARG(saw_name)); |
1131 | } |
1132 | |
db81d362 |
1133 | sv_catpvs(declarator, " "); |
c311cef3 |
1134 | sv_catsv(declarator, saw_name); |
1135 | |
1136 | if ( |
1137 | sv_eq_pvs(saw_name, "BEGIN") || |
1138 | sv_eq_pvs(saw_name, "END") || |
1139 | sv_eq_pvs(saw_name, "INIT") || |
1140 | sv_eq_pvs(saw_name, "CHECK") || |
1141 | sv_eq_pvs(saw_name, "UNITCHECK") |
1142 | ) { |
1143 | builtin_attrs |= MY_ATTR_SPECIAL; |
1144 | } |
1145 | |
db81d362 |
1146 | lex_read_space(0); |
63915d26 |
1147 | } else if (!(spec->flags & FLAG_ANON_OK)) { |
31534187 |
1148 | croak("I was expecting a function name, not \"%.*s\"", (int)(PL_parser->bufend - PL_parser->bufptr), PL_parser->bufptr); |
db81d362 |
1149 | } else { |
1150 | sv_catpvs(declarator, " (anon)"); |
1151 | } |
1152 | |
63915d26 |
1153 | /* we're a subroutine declaration */ |
c311cef3 |
1154 | floor_ix = start_subparse(FALSE, saw_name ? 0 : CVf_ANON); |
1155 | SAVEFREESV(PL_compcv); |
1156 | |
63915d26 |
1157 | /* create outer block: '{' */ |
1158 | save_ix = S_block_start(aTHX_ TRUE); |
1159 | |
1e0f1595 |
1160 | /* initialize synthetic optree */ |
ed95eeff |
1161 | Newx(prelude_sentinel, 1, OpGuard); |
1162 | op_guard_init(prelude_sentinel); |
1163 | sentinel_register(sen, prelude_sentinel, free_op_guard_void); |
1e0f1595 |
1164 | |
db81d362 |
1165 | /* parameters */ |
e158cf8f |
1166 | param_spec = NULL; |
63915d26 |
1167 | |
db81d362 |
1168 | c = lex_peek_unichar(0); |
1169 | if (c == '(') { |
ed95eeff |
1170 | OpGuard *init_sentinel; |
e158cf8f |
1171 | |
ed95eeff |
1172 | Newx(init_sentinel, 1, OpGuard); |
1173 | op_guard_init(init_sentinel); |
1174 | sentinel_register(sen, init_sentinel, free_op_guard_void); |
e158cf8f |
1175 | |
1176 | Newx(param_spec, 1, ParamSpec); |
1177 | ps_init(param_spec); |
e4648f19 |
1178 | sentinel_register(sen, param_spec, ps_free_void); |
db81d362 |
1179 | |
1180 | lex_read_unichar(0); |
1181 | lex_read_space(0); |
1182 | |
e158cf8f |
1183 | while ((c = lex_peek_unichar(0)) != ')') { |
1184 | int flags; |
51a483f8 |
1185 | SV *name, *type; |
e158cf8f |
1186 | char sigil; |
1187 | PADOFFSET padoff; |
c311cef3 |
1188 | |
51a483f8 |
1189 | padoff = parse_param(aTHX_ sen, declarator, spec, param_spec, &flags, &name, init_sentinel, &type); |
c311cef3 |
1190 | |
e158cf8f |
1191 | S_intro_my(aTHX); |
63915d26 |
1192 | |
e158cf8f |
1193 | sigil = SvPV_nolen(name)[0]; |
db81d362 |
1194 | |
e158cf8f |
1195 | /* internal consistency */ |
1196 | if (flags & PARAM_NAMED) { |
1197 | if (flags & PARAM_INVOCANT) { |
1198 | croak("In %"SVf": invocant %"SVf" can't be a named parameter", SVfARG(declarator), SVfARG(name)); |
db81d362 |
1199 | } |
e158cf8f |
1200 | if (sigil != '$') { |
1201 | croak("In %"SVf": named parameter %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
db81d362 |
1202 | } |
e158cf8f |
1203 | } else if (flags & PARAM_INVOCANT) { |
ed95eeff |
1204 | if (init_sentinel->op) { |
e158cf8f |
1205 | croak("In %"SVf": invocant %"SVf" can't have a default value", SVfARG(declarator), SVfARG(name)); |
db81d362 |
1206 | } |
e158cf8f |
1207 | if (sigil != '$') { |
1208 | croak("In %"SVf": invocant %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
1209 | } |
ed95eeff |
1210 | } else if (sigil != '$' && init_sentinel->op) { |
e158cf8f |
1211 | croak("In %"SVf": %s %"SVf" can't have a default value", SVfARG(declarator), sigil == '@' ? "array" : "hash", SVfARG(name)); |
1212 | } |
db81d362 |
1213 | |
e158cf8f |
1214 | /* external constraints */ |
1215 | if (param_spec->slurpy.name) { |
1216 | croak("In %"SVf": I was expecting \")\" after \"%"SVf"\", not \"%"SVf"\"", SVfARG(declarator), SVfARG(param_spec->slurpy.name), SVfARG(name)); |
1217 | } |
1218 | if (sigil != '$') { |
ed95eeff |
1219 | assert(!init_sentinel->op); |
e158cf8f |
1220 | param_spec->slurpy.name = name; |
1221 | param_spec->slurpy.padoff = padoff; |
51a483f8 |
1222 | param_spec->slurpy.type = type; |
e158cf8f |
1223 | continue; |
1224 | } |
d8e5d540 |
1225 | |
e158cf8f |
1226 | if (!(flags & PARAM_NAMED) && count_named_params(param_spec)) { |
1227 | 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)); |
1228 | } |
d8e5d540 |
1229 | |
e158cf8f |
1230 | if (flags & PARAM_INVOCANT) { |
1231 | if (param_spec->invocant.name) { |
1232 | croak("In %"SVf": invalid double invocants %"SVf", %"SVf"", SVfARG(declarator), SVfARG(param_spec->invocant.name), SVfARG(name)); |
1233 | } |
1234 | if (count_positional_params(param_spec) || count_named_params(param_spec)) { |
1235 | croak("In %"SVf": invocant %"SVf" must be first in parameter list", SVfARG(declarator), SVfARG(name)); |
63915d26 |
1236 | } |
e158cf8f |
1237 | if (!(spec->flags & FLAG_INVOCANT)) { |
1238 | croak("In %"SVf": invocant %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1239 | } |
1240 | param_spec->invocant.name = name; |
1241 | param_spec->invocant.padoff = padoff; |
51a483f8 |
1242 | param_spec->invocant.type = type; |
e158cf8f |
1243 | continue; |
1244 | } |
63915d26 |
1245 | |
ed95eeff |
1246 | if (init_sentinel->op && !(spec->flags & FLAG_DEFAULT_ARGS)) { |
e158cf8f |
1247 | croak("In %"SVf": default argument for %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1248 | } |
1e0f1595 |
1249 | |
e158cf8f |
1250 | if (ps_contains(aTHX_ param_spec, name)) { |
1251 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(name)); |
1252 | } |
1e0f1595 |
1253 | |
e158cf8f |
1254 | if (flags & PARAM_NAMED) { |
1255 | if (!(spec->flags & FLAG_NAMED_PARAMS)) { |
1256 | croak("In %"SVf": named parameter :%"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1e0f1595 |
1257 | } |
1258 | |
ed95eeff |
1259 | if (init_sentinel->op) { |
e158cf8f |
1260 | ParamInit *pi = piv_extend(¶m_spec->named_optional); |
1261 | pi->param.name = name; |
1262 | pi->param.padoff = padoff; |
51a483f8 |
1263 | pi->param.type = type; |
ed95eeff |
1264 | pi->init = op_guard_transfer(init_sentinel); |
e158cf8f |
1265 | param_spec->named_optional.used++; |
1266 | } else { |
67fc1ddb |
1267 | Param *p; |
1268 | |
e158cf8f |
1269 | if (param_spec->positional_optional.used) { |
1270 | 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)); |
1271 | } |
d8e5d540 |
1272 | |
67fc1ddb |
1273 | p = pv_extend(¶m_spec->named_required); |
e158cf8f |
1274 | p->name = name; |
1275 | p->padoff = padoff; |
51a483f8 |
1276 | p->type = type; |
e158cf8f |
1277 | param_spec->named_required.used++; |
1278 | } |
1279 | } else { |
ed95eeff |
1280 | if (init_sentinel->op || param_spec->positional_optional.used) { |
e158cf8f |
1281 | ParamInit *pi = piv_extend(¶m_spec->positional_optional); |
1282 | pi->param.name = name; |
1283 | pi->param.padoff = padoff; |
51a483f8 |
1284 | pi->param.type = type; |
ed95eeff |
1285 | pi->init = op_guard_transfer(init_sentinel); |
e158cf8f |
1286 | param_spec->positional_optional.used++; |
1287 | } else { |
1288 | Param *p = pv_extend(¶m_spec->positional_required); |
1289 | p->name = name; |
1290 | p->padoff = padoff; |
51a483f8 |
1291 | p->type = type; |
e158cf8f |
1292 | param_spec->positional_required.used++; |
db81d362 |
1293 | } |
1294 | } |
1295 | |
e158cf8f |
1296 | } |
1297 | lex_read_unichar(0); |
1298 | lex_read_space(0); |
db81d362 |
1299 | |
e158cf8f |
1300 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
1301 | if (ps_contains(aTHX_ param_spec, spec->shift)) { |
1302 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(spec->shift)); |
db81d362 |
1303 | } |
e158cf8f |
1304 | |
1305 | param_spec->invocant.name = spec->shift; |
1306 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
db81d362 |
1307 | } |
1308 | } |
1309 | |
1310 | /* prototype */ |
c311cef3 |
1311 | proto = NULL; |
db81d362 |
1312 | c = lex_peek_unichar(0); |
1313 | if (c == ':') { |
1314 | lex_read_unichar(0); |
1315 | lex_read_space(0); |
1316 | |
1317 | c = lex_peek_unichar(0); |
1318 | if (c != '(') { |
c311cef3 |
1319 | lex_stuff_pvs(":", 0); |
1320 | c = ':'; |
db81d362 |
1321 | } else { |
31534187 |
1322 | lex_read_unichar(0); |
e4648f19 |
1323 | if (!(proto = my_scan_parens_tail(aTHX_ sen, FALSE))) { |
f34187b8 |
1324 | croak("In %"SVf": prototype not terminated", SVfARG(declarator)); |
db81d362 |
1325 | } |
e4648f19 |
1326 | my_check_prototype(aTHX_ sen, declarator, proto); |
db81d362 |
1327 | lex_read_space(0); |
c311cef3 |
1328 | c = lex_peek_unichar(0); |
514bcaa6 |
1329 | if (!(c == ':' || c == '{')) { |
1330 | lex_stuff_pvs(":", 0); |
1331 | c = ':'; |
1332 | } |
db81d362 |
1333 | } |
1334 | } |
1335 | |
db81d362 |
1336 | /* attributes */ |
ed95eeff |
1337 | Newx(attrs_sentinel, 1, OpGuard); |
1338 | op_guard_init(attrs_sentinel); |
1339 | sentinel_register(sen, attrs_sentinel, free_op_guard_void); |
c311cef3 |
1340 | |
63915d26 |
1341 | if (c == ':' || c == '{') /* '}' - hi, vim */ { |
c311cef3 |
1342 | |
1343 | /* kludge default attributes in */ |
1344 | if (SvTRUE(spec->attrs) && SvPV_nolen(spec->attrs)[0] == ':') { |
1345 | lex_stuff_sv(spec->attrs, 0); |
1346 | c = ':'; |
1347 | } |
b72eb6ee |
1348 | |
db81d362 |
1349 | if (c == ':') { |
db81d362 |
1350 | lex_read_unichar(0); |
1351 | lex_read_space(0); |
db81d362 |
1352 | c = lex_peek_unichar(0); |
c311cef3 |
1353 | |
1354 | for (;;) { |
1355 | SV *attr; |
1356 | |
e4648f19 |
1357 | if (!(attr = my_scan_word(aTHX_ sen, FALSE))) { |
c311cef3 |
1358 | break; |
db81d362 |
1359 | } |
c311cef3 |
1360 | |
db81d362 |
1361 | lex_read_space(0); |
1362 | c = lex_peek_unichar(0); |
c311cef3 |
1363 | |
1364 | if (c != '(') { |
1365 | if (sv_eq_pvs(attr, "lvalue")) { |
1366 | builtin_attrs |= MY_ATTR_LVALUE; |
1367 | attr = NULL; |
1368 | } else if (sv_eq_pvs(attr, "method")) { |
1369 | builtin_attrs |= MY_ATTR_METHOD; |
1370 | attr = NULL; |
1371 | } |
1372 | } else { |
31534187 |
1373 | SV *sv; |
1374 | lex_read_unichar(0); |
e4648f19 |
1375 | if (!(sv = my_scan_parens_tail(aTHX_ sen, TRUE))) { |
c311cef3 |
1376 | croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator)); |
1377 | } |
31534187 |
1378 | sv_catpvs(attr, "("); |
c311cef3 |
1379 | sv_catsv(attr, sv); |
31534187 |
1380 | sv_catpvs(attr, ")"); |
c311cef3 |
1381 | |
1382 | lex_read_space(0); |
1383 | c = lex_peek_unichar(0); |
1384 | } |
1385 | |
1386 | if (attr) { |
ed95eeff |
1387 | op_guard_update(attrs_sentinel, op_append_elem(OP_LIST, attrs_sentinel->op, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(attr)))); |
c311cef3 |
1388 | } |
1389 | |
1390 | if (c == ':') { |
1391 | lex_read_unichar(0); |
1392 | lex_read_space(0); |
1393 | c = lex_peek_unichar(0); |
1394 | } |
db81d362 |
1395 | } |
1396 | } |
1397 | } |
1398 | |
1399 | /* body */ |
63915d26 |
1400 | if (c != '{') /* '}' - hi, vim */ { |
85bc3fbd |
1401 | croak("In %"SVf": I was expecting a function body, not \"%c\"", SVfARG(declarator), (int)c); |
db81d362 |
1402 | } |
c311cef3 |
1403 | |
63915d26 |
1404 | /* surprise predeclaration! */ |
1405 | if (saw_name) { |
1406 | /* 'sub NAME (PROTO);' to make name/proto known to perl before it |
1407 | starts parsing the body */ |
1408 | const I32 sub_ix = start_subparse(FALSE, 0); |
1409 | SAVEFREESV(PL_compcv); |
1410 | |
1411 | SvREFCNT_inc_simple_void(PL_compcv); |
1412 | |
1413 | newATTRSUB( |
1414 | sub_ix, |
fc634bba |
1415 | mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)), |
1416 | proto ? mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(proto)) : NULL, |
63915d26 |
1417 | NULL, |
1418 | NULL |
1419 | ); |
1420 | } |
1421 | |
c311cef3 |
1422 | if (builtin_attrs & MY_ATTR_LVALUE) { |
1423 | CvLVALUE_on(PL_compcv); |
db81d362 |
1424 | } |
c311cef3 |
1425 | if (builtin_attrs & MY_ATTR_METHOD) { |
1426 | CvMETHOD_on(PL_compcv); |
1427 | } |
1428 | if (builtin_attrs & MY_ATTR_SPECIAL) { |
1429 | CvSPECIAL_on(PL_compcv); |
db81d362 |
1430 | } |
1431 | |
e158cf8f |
1432 | /* check number of arguments */ |
1e0f1595 |
1433 | if (spec->flags & FLAG_CHECK_NARGS) { |
e158cf8f |
1434 | int amin, amax; |
abccbe86 |
1435 | |
e158cf8f |
1436 | amin = args_min(aTHX_ param_spec, spec); |
1437 | if (amin > 0) { |
51a483f8 |
1438 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1439 | |
fc634bba |
1440 | err = mkconstsv(aTHX_ newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin)); |
1441 | err = newBINOP( |
1442 | OP_CONCAT, 0, |
1443 | err, |
1444 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1445 | ); |
1446 | err = newBINOP( |
1447 | OP_CONCAT, 0, |
1448 | err, |
1449 | mkconstpvs(")") |
1450 | ); |
63915d26 |
1451 | |
51a483f8 |
1452 | xcroak = newCVREF(OPf_WANT_SCALAR, |
1453 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1454 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1455 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1456 | |
1e0f1595 |
1457 | cond = newBINOP(OP_LT, 0, |
5f50e017 |
1458 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1459 | mkconstiv(aTHX_ amin)); |
1e0f1595 |
1460 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1461 | |
ed95eeff |
1462 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
1e0f1595 |
1463 | } |
abccbe86 |
1464 | |
e158cf8f |
1465 | amax = args_max(param_spec); |
1466 | if (amax >= 0) { |
51a483f8 |
1467 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1468 | |
fc634bba |
1469 | err = mkconstsv(aTHX_ newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax)); |
1470 | err = newBINOP( |
1471 | OP_CONCAT, 0, |
1472 | err, |
1473 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1474 | ); |
1475 | err = newBINOP( |
1476 | OP_CONCAT, 0, |
1477 | err, |
1478 | mkconstpvs(")") |
1479 | ); |
63915d26 |
1480 | |
51a483f8 |
1481 | xcroak = newCVREF( |
fc634bba |
1482 | OPf_WANT_SCALAR, |
1483 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1484 | ); |
1e0f1595 |
1485 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1486 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1487 | |
fc634bba |
1488 | cond = newBINOP( |
1489 | OP_GT, 0, |
1490 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1491 | mkconstiv(aTHX_ amax) |
1492 | ); |
1e0f1595 |
1493 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1494 | |
ed95eeff |
1495 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
1e0f1595 |
1496 | } |
e158cf8f |
1497 | |
1498 | if (param_spec && (count_named_params(param_spec) || (param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'))) { |
51a483f8 |
1499 | OP *chk, *cond, *err, *xcroak; |
e158cf8f |
1500 | const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name; |
63915d26 |
1501 | |
fc634bba |
1502 | err = mkconstsv(aTHX_ newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator))); |
63915d26 |
1503 | |
51a483f8 |
1504 | xcroak = newCVREF( |
fc634bba |
1505 | OPf_WANT_SCALAR, |
1506 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1507 | ); |
1e0f1595 |
1508 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
51a483f8 |
1509 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1510 | |
1e0f1595 |
1511 | cond = newBINOP(OP_GT, 0, |
5f50e017 |
1512 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1513 | mkconstiv(aTHX_ fixed)); |
e158cf8f |
1514 | cond = newLOGOP(OP_AND, 0, |
fc634bba |
1515 | cond, |
1516 | newBINOP(OP_MODULO, 0, |
1517 | fixed |
1518 | ? newBINOP(OP_SUBTRACT, 0, |
1519 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1520 | mkconstiv(aTHX_ fixed)) |
1521 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1522 | mkconstiv(aTHX_ 2))); |
1e0f1595 |
1523 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1524 | |
ed95eeff |
1525 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, chk))); |
c311cef3 |
1526 | } |
1e0f1595 |
1527 | } |
c311cef3 |
1528 | |
e158cf8f |
1529 | if (!param_spec) { |
1530 | /* my $invocant = shift; */ |
1531 | if (SvTRUE(spec->shift)) { |
1532 | OP *var; |
abccbe86 |
1533 | |
e158cf8f |
1534 | var = my_var( |
1535 | aTHX_ |
1536 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1537 | pad_add_name_sv(spec->shift, 0, NULL, NULL) |
1538 | ); |
1539 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
c311cef3 |
1540 | |
ed95eeff |
1541 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
e158cf8f |
1542 | } |
1543 | } else { |
1544 | /* my $invocant = shift; */ |
1545 | if (param_spec->invocant.name) { |
1546 | OP *var; |
c311cef3 |
1547 | |
e158cf8f |
1548 | var = my_var( |
1549 | aTHX_ |
1550 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1551 | param_spec->invocant.padoff |
1552 | ); |
1553 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
1e0f1595 |
1554 | |
ed95eeff |
1555 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
51a483f8 |
1556 | |
1557 | if (param_spec->invocant.type && (spec->flags & FLAG_CHECK_TARGS)) { |
ed95eeff |
1558 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, 0, ¶m_spec->invocant)))); |
51a483f8 |
1559 | } |
c311cef3 |
1560 | } |
1561 | |
e158cf8f |
1562 | /* my (...) = @_; */ |
1563 | { |
1564 | OP *lhs; |
1565 | size_t i, lim; |
63915d26 |
1566 | |
e158cf8f |
1567 | lhs = NULL; |
63915d26 |
1568 | |
e158cf8f |
1569 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1570 | OP *const var = my_var( |
1571 | aTHX_ |
1572 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1573 | param_spec->positional_required.data[i].padoff |
1574 | ); |
1575 | lhs = op_append_elem(OP_LIST, lhs, var); |
1576 | } |
63915d26 |
1577 | |
e158cf8f |
1578 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1579 | OP *const var = my_var( |
1580 | aTHX_ |
1581 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1582 | param_spec->positional_optional.data[i].param.padoff |
1583 | ); |
1584 | lhs = op_append_elem(OP_LIST, lhs, var); |
1585 | } |
63915d26 |
1586 | |
fc634bba |
1587 | { |
1588 | PADOFFSET padoff; |
1589 | I32 type; |
1590 | bool slurpy_hash; |
1591 | |
1592 | /* |
1593 | * cases: |
1594 | * 1) no named params |
1595 | * 1.1) slurpy |
1596 | * => put it in |
1597 | * 1.2) no slurpy |
1598 | * => nop |
1599 | * 2) named params |
1600 | * 2.1) no slurpy |
1601 | * => synthetic %{rest} |
1602 | * 2.2) slurpy is a hash |
1603 | * => put it in |
1604 | * 2.3) slurpy is an array |
1605 | * => synthetic %{rest} |
1606 | * remember to declare array later |
1607 | */ |
1608 | |
1609 | slurpy_hash = param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'; |
1610 | if (!count_named_params(param_spec)) { |
1611 | if (param_spec->slurpy.name) { |
1612 | padoff = param_spec->slurpy.padoff; |
1613 | type = slurpy_hash ? OP_PADHV : OP_PADAV; |
1614 | } else { |
1615 | padoff = NOT_IN_PAD; |
1616 | type = OP_PADSV; |
1617 | } |
1618 | } else if (slurpy_hash) { |
1619 | padoff = param_spec->slurpy.padoff; |
1620 | type = OP_PADHV; |
e158cf8f |
1621 | } else { |
fc634bba |
1622 | padoff = param_spec->rest_hash = pad_add_name_pvs("%{rest}", 0, NULL, NULL); |
1623 | type = OP_PADHV; |
1624 | } |
1625 | |
1626 | if (padoff != NOT_IN_PAD) { |
e158cf8f |
1627 | OP *const var = my_var_g( |
1628 | aTHX_ |
fc634bba |
1629 | type, |
e158cf8f |
1630 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
fc634bba |
1631 | padoff |
e158cf8f |
1632 | ); |
fc634bba |
1633 | |
e158cf8f |
1634 | lhs = op_append_elem(OP_LIST, lhs, var); |
fc634bba |
1635 | |
1636 | if (type == OP_PADHV) { |
1637 | param_spec->rest_hash = padoff; |
1638 | } |
e158cf8f |
1639 | } |
1640 | } |
63915d26 |
1641 | |
e158cf8f |
1642 | if (lhs) { |
1643 | OP *rhs; |
1644 | lhs->op_flags |= OPf_PARENS; |
1645 | rhs = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
1646 | |
ed95eeff |
1647 | op_guard_update(prelude_sentinel, op_append_list( |
1648 | OP_LINESEQ, prelude_sentinel->op, |
e158cf8f |
1649 | newSTATEOP( |
1650 | 0, NULL, |
1651 | newASSIGNOP(OPf_STACKED, lhs, 0, rhs) |
1652 | ) |
ed95eeff |
1653 | )); |
e158cf8f |
1654 | } |
1655 | } |
63915d26 |
1656 | |
fc634bba |
1657 | /* default positional arguments */ |
e158cf8f |
1658 | { |
1659 | size_t i, lim, req; |
1660 | OP *nest; |
63915d26 |
1661 | |
e158cf8f |
1662 | nest = NULL; |
63915d26 |
1663 | |
e158cf8f |
1664 | req = param_spec->positional_required.used; |
1665 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1666 | ParamInit *cur = ¶m_spec->positional_optional.data[i]; |
1667 | OP *var, *cond; |
63915d26 |
1668 | |
e158cf8f |
1669 | cond = newBINOP( |
1670 | OP_LT, 0, |
1671 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1672 | mkconstiv(aTHX_ req + i + 1) |
e158cf8f |
1673 | ); |
63915d26 |
1674 | |
e158cf8f |
1675 | var = my_var(aTHX_ 0, cur->param.padoff); |
63915d26 |
1676 | |
e158cf8f |
1677 | nest = op_append_list( |
1678 | OP_LINESEQ, nest, |
ed95eeff |
1679 | newASSIGNOP(OPf_STACKED, var, 0, op_guard_relinquish(&cur->init)) |
e158cf8f |
1680 | ); |
e158cf8f |
1681 | nest = newCONDOP( |
1682 | 0, |
1683 | cond, |
1684 | nest, |
1685 | NULL |
1686 | ); |
1687 | } |
1e0f1595 |
1688 | |
ed95eeff |
1689 | op_guard_update(prelude_sentinel, op_append_list( |
1690 | OP_LINESEQ, prelude_sentinel->op, |
e158cf8f |
1691 | nest |
ed95eeff |
1692 | )); |
c311cef3 |
1693 | } |
1694 | |
e158cf8f |
1695 | /* named parameters */ |
1696 | if (count_named_params(param_spec)) { |
fc634bba |
1697 | size_t i, lim; |
1698 | |
1699 | assert(param_spec->rest_hash != NOT_IN_PAD); |
1700 | |
1701 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1702 | Param *cur = ¶m_spec->named_required.data[i]; |
1703 | size_t n; |
1704 | char *p = SvPV(cur->name, n); |
1705 | OP *var, *cond; |
1706 | |
1707 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1708 | |
1709 | if (spec->flags & FLAG_CHECK_NARGS) { |
51a483f8 |
1710 | OP *xcroak, *msg; |
fc634bba |
1711 | |
1712 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1713 | var = newUNOP(OP_DELETE, 0, var); |
1714 | |
1715 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": missing named parameter: %.*s", SVfARG(declarator), (int)(n - 1), p + 1)); |
51a483f8 |
1716 | xcroak = newCVREF( |
fc634bba |
1717 | OPf_WANT_SCALAR, |
1718 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1719 | ); |
51a483f8 |
1720 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1721 | |
1722 | cond = newUNOP(OP_EXISTS, 0, cond); |
1723 | |
51a483f8 |
1724 | cond = newCONDOP(0, cond, var, xcroak); |
fc634bba |
1725 | } |
1726 | |
1727 | var = my_var( |
1728 | aTHX_ |
1729 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1730 | cur->padoff |
1731 | ); |
1732 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1733 | |
ed95eeff |
1734 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1735 | } |
1736 | |
1737 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1738 | ParamInit *cur = ¶m_spec->named_optional.data[i]; |
1739 | size_t n; |
1740 | char *p = SvPV(cur->param.name, n); |
1741 | OP *var, *cond; |
1742 | |
1743 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1744 | var = newUNOP(OP_DELETE, 0, var); |
1745 | |
1746 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1747 | cond = newUNOP(OP_EXISTS, 0, cond); |
1748 | |
ed95eeff |
1749 | cond = newCONDOP(0, cond, var, op_guard_relinquish(&cur->init)); |
fc634bba |
1750 | |
1751 | var = my_var( |
1752 | aTHX_ |
1753 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1754 | cur->param.padoff |
1755 | ); |
1756 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1757 | |
ed95eeff |
1758 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1759 | } |
1760 | |
1761 | if (!param_spec->slurpy.name) { |
1762 | if (spec->flags & FLAG_CHECK_NARGS) { |
1763 | /* croak if %{rest} */ |
51a483f8 |
1764 | OP *xcroak, *cond, *keys, *msg; |
fc634bba |
1765 | |
1766 | keys = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1767 | keys = newLISTOP(OP_SORT, 0, newOP(OP_PUSHMARK, 0), keys); |
1768 | { |
1769 | OP *first, *mid, *last; |
1770 | |
1771 | last = keys; |
1772 | |
1773 | mid = mkconstpvs(", "); |
1774 | mid->op_sibling = last; |
1775 | |
1776 | first = newOP(OP_PUSHMARK, 0); |
1777 | |
1778 | keys = newLISTOP(OP_JOIN, 0, first, mid); |
1779 | keys->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP); |
1780 | ((LISTOP *)keys)->op_last = last; |
1781 | } |
1782 | |
1783 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator))); |
1784 | msg = newBINOP(OP_CONCAT, 0, msg, keys); |
1785 | |
51a483f8 |
1786 | xcroak = newCVREF( |
fc634bba |
1787 | OPf_WANT_SCALAR, |
1788 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1789 | ); |
51a483f8 |
1790 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1791 | |
1792 | cond = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
51a483f8 |
1793 | xcroak = newCONDOP(0, cond, xcroak, NULL); |
fc634bba |
1794 | |
ed95eeff |
1795 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, xcroak))); |
fc634bba |
1796 | } else { |
1797 | OP *clear; |
1798 | |
1799 | clear = newASSIGNOP( |
1800 | OPf_STACKED, |
1801 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1802 | 0, |
1803 | newNULLLIST() |
1804 | ); |
1805 | |
ed95eeff |
1806 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, clear))); |
fc634bba |
1807 | } |
1808 | } else if (param_spec->slurpy.padoff != param_spec->rest_hash) { |
1809 | OP *var, *clear; |
1810 | |
1811 | assert(SvPV_nolen(param_spec->slurpy.name)[0] == '@'); |
1812 | |
1813 | var = my_var_g( |
1814 | aTHX_ |
1815 | OP_PADAV, |
1816 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1817 | param_spec->slurpy.padoff |
1818 | ); |
1819 | |
1820 | var = newASSIGNOP(OPf_STACKED, var, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1821 | |
ed95eeff |
1822 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, var))); |
fc634bba |
1823 | |
1824 | clear = newASSIGNOP( |
1825 | OPf_STACKED, |
1826 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1827 | 0, |
1828 | newNULLLIST() |
1829 | ); |
1830 | |
ed95eeff |
1831 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, clear))); |
fc634bba |
1832 | } |
1833 | } |
51a483f8 |
1834 | |
1835 | if (spec->flags & FLAG_CHECK_TARGS) { |
1836 | size_t i, lim, base; |
1837 | |
1838 | base = 1; |
1839 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1840 | Param *cur = ¶m_spec->positional_required.data[i]; |
1841 | |
1842 | if (cur->type) { |
ed95eeff |
1843 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1844 | } |
1845 | } |
1846 | base += i; |
1847 | |
1848 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1849 | Param *cur = ¶m_spec->positional_optional.data[i].param; |
1850 | |
1851 | if (cur->type) { |
ed95eeff |
1852 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1853 | } |
1854 | } |
1855 | base += i; |
1856 | |
1857 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1858 | Param *cur = ¶m_spec->named_required.data[i]; |
1859 | |
1860 | if (cur->type) { |
ed95eeff |
1861 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1862 | } |
1863 | } |
1864 | base += i; |
1865 | |
1866 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1867 | Param *cur = ¶m_spec->named_optional.data[i].param; |
1868 | |
1869 | if (cur->type) { |
ed95eeff |
1870 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, mktypecheckp(aTHX_ declarator, base + i, cur)))); |
51a483f8 |
1871 | } |
1872 | } |
1873 | base += i; |
1874 | |
1875 | if (param_spec->slurpy.type) { |
1876 | /* $type->valid($_) or croak $type->get_message($_) for @rest / values %rest */ |
a8492ba4 |
1877 | OP *check, *list, *loop; |
51a483f8 |
1878 | |
a8492ba4 |
1879 | check = mktypecheck(aTHX_ declarator, base, param_spec->slurpy.name, NOT_IN_PAD, param_spec->slurpy.type); |
51a483f8 |
1880 | |
1881 | if (SvPV_nolen(param_spec->slurpy.name)[0] == '@') { |
1882 | list = my_var_g(aTHX_ OP_PADAV, 0, param_spec->slurpy.padoff); |
1883 | } else { |
1884 | list = my_var_g(aTHX_ OP_PADHV, 0, param_spec->slurpy.padoff); |
1885 | list = newUNOP(OP_VALUES, 0, list); |
1886 | } |
1887 | |
a8492ba4 |
1888 | loop = newFOROP(0, NULL, list, check, NULL); |
51a483f8 |
1889 | |
ed95eeff |
1890 | op_guard_update(prelude_sentinel, op_append_list(OP_LINESEQ, prelude_sentinel->op, newSTATEOP(0, NULL, loop))); |
51a483f8 |
1891 | } |
1892 | } |
1e0f1595 |
1893 | } |
c311cef3 |
1894 | |
1e0f1595 |
1895 | /* finally let perl parse the actual subroutine body */ |
1896 | body = parse_block(0); |
c311cef3 |
1897 | |
1e0f1595 |
1898 | /* add '();' to make function return nothing by default */ |
1899 | /* (otherwise the invisible parameter initialization can "leak" into |
1900 | the return value: fun ($x) {}->("asdf", 0) == 2) */ |
ed95eeff |
1901 | if (prelude_sentinel->op) { |
1e0f1595 |
1902 | body = newSTATEOP(0, NULL, body); |
db81d362 |
1903 | } |
1904 | |
ed95eeff |
1905 | body = op_append_list(OP_LINESEQ, op_guard_relinquish(prelude_sentinel), body); |
1e0f1595 |
1906 | |
c311cef3 |
1907 | /* it's go time. */ |
1908 | { |
53c979f0 |
1909 | CV *cv; |
ed95eeff |
1910 | OP *const attrs = op_guard_relinquish(attrs_sentinel); |
53c979f0 |
1911 | |
c311cef3 |
1912 | SvREFCNT_inc_simple_void(PL_compcv); |
1913 | |
63915d26 |
1914 | /* close outer block: '}' */ |
1915 | S_block_end(aTHX_ save_ix, body); |
1916 | |
53c979f0 |
1917 | cv = newATTRSUB( |
c311cef3 |
1918 | floor_ix, |
53c979f0 |
1919 | saw_name ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)) : NULL, |
c311cef3 |
1920 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1921 | attrs, |
1922 | body |
1923 | ); |
53c979f0 |
1924 | |
2c1cb7bd |
1925 | if (cv) { |
1926 | register_info(aTHX_ PTR2UV(CvROOT(cv)), declarator, spec, param_spec); |
1927 | } |
53c979f0 |
1928 | |
1929 | if (saw_name) { |
1930 | *pop = newOP(OP_NULL, 0); |
1931 | return KEYWORD_PLUGIN_STMT; |
1932 | } |
1933 | |
1934 | *pop = newUNOP( |
1935 | OP_REFGEN, 0, |
1936 | newSVOP( |
1937 | OP_ANONCODE, 0, |
1938 | (SV *)cv |
1939 | ) |
1940 | ); |
1941 | return KEYWORD_PLUGIN_EXPR; |
db81d362 |
1942 | } |
db81d362 |
1943 | } |
1944 | |
8216fac4 |
1945 | static int kw_flags_enter(pTHX_ Sentinel sen, const char *kw_ptr, STRLEN kw_len, KWSpec *spec) { |
1946 | HV *hints; |
1947 | SV *sv, **psv; |
1948 | const char *p, *kw_active; |
1949 | STRLEN kw_active_len; |
1950 | |
1951 | if (!(hints = GvHV(PL_hintgv))) { |
1952 | return FALSE; |
1953 | } |
1954 | if (!(psv = hv_fetchs(hints, HINTK_KEYWORDS, 0))) { |
1955 | return FALSE; |
1956 | } |
1957 | sv = *psv; |
1958 | kw_active = SvPV(sv, kw_active_len); |
1959 | if (kw_active_len <= kw_len) { |
1960 | return FALSE; |
1961 | } |
1962 | for ( |
1963 | p = kw_active; |
1964 | (p = strchr(p, *kw_ptr)) && |
1965 | p < kw_active + kw_active_len - kw_len; |
1966 | p++ |
1967 | ) { |
1968 | if ( |
1969 | (p == kw_active || p[-1] == ' ') && |
1970 | p[kw_len] == ' ' && |
1971 | memcmp(kw_ptr, p, kw_len) == 0 |
1972 | ) { |
1973 | ENTER; |
1974 | SAVETMPS; |
1975 | |
1976 | SAVEDESTRUCTOR_X(sentinel_clear_void, sen); |
1977 | |
1978 | spec->flags = 0; |
1979 | spec->shift = sentinel_mortalize(sen, newSVpvs("")); |
1980 | spec->attrs = sentinel_mortalize(sen, newSVpvs("")); |
1981 | |
1982 | #define FETCH_HINTK_INTO(NAME, PTR, LEN, X) STMT_START { \ |
1983 | const char *fk_ptr_; \ |
1984 | STRLEN fk_len_; \ |
1985 | SV *fk_sv_; \ |
1986 | fk_sv_ = sentinel_mortalize(sen, newSVpvs(HINTK_ ## NAME)); \ |
1987 | sv_catpvn(fk_sv_, PTR, LEN); \ |
1988 | fk_ptr_ = SvPV(fk_sv_, fk_len_); \ |
1989 | if (!((X) = hv_fetch(hints, fk_ptr_, fk_len_, 0))) { \ |
1990 | croak("%s: internal error: $^H{'%.*s'} not set", MY_PKG, (int)fk_len_, fk_ptr_); \ |
1991 | } \ |
1992 | } STMT_END |
1993 | |
1994 | FETCH_HINTK_INTO(FLAGS_, kw_ptr, kw_len, psv); |
1995 | spec->flags = SvIV(*psv); |
1996 | |
1997 | FETCH_HINTK_INTO(SHIFT_, kw_ptr, kw_len, psv); |
1998 | SvSetSV(spec->shift, *psv); |
1999 | |
2000 | FETCH_HINTK_INTO(ATTRS_, kw_ptr, kw_len, psv); |
2001 | SvSetSV(spec->attrs, *psv); |
2002 | |
2003 | #undef FETCH_HINTK_INTO |
2004 | return TRUE; |
2005 | } |
2006 | } |
2007 | return FALSE; |
2008 | } |
2009 | |
db81d362 |
2010 | static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) { |
8216fac4 |
2011 | Sentinel sen = { NULL }; |
63915d26 |
2012 | KWSpec spec; |
db81d362 |
2013 | int ret; |
2014 | |
8216fac4 |
2015 | if (kw_flags_enter(aTHX_ sen, keyword_ptr, keyword_len, &spec)) { |
2016 | /* scope was entered, 'sen' and 'spec' are initialized */ |
e4648f19 |
2017 | ret = parse_fun(aTHX_ sen, op_ptr, keyword_ptr, keyword_len, &spec); |
8216fac4 |
2018 | FREETMPS; |
2019 | LEAVE; |
db81d362 |
2020 | } else { |
8216fac4 |
2021 | /* not one of our keywords, no allocation done */ |
7dd35535 |
2022 | ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr); |
db81d362 |
2023 | } |
2024 | |
db81d362 |
2025 | return ret; |
2026 | } |
2027 | |
2028 | WARNINGS_RESET |
2029 | |
53c979f0 |
2030 | MODULE = Function::Parameters PACKAGE = Function::Parameters PREFIX = fp_ |
db81d362 |
2031 | PROTOTYPES: ENABLE |
2032 | |
53c979f0 |
2033 | UV |
2034 | fp__cv_root(sv) |
2035 | SV * sv |
2036 | PREINIT: |
79bce2d4 |
2037 | CV *xcv; |
53c979f0 |
2038 | HV *hv; |
2039 | GV *gv; |
2040 | CODE: |
79bce2d4 |
2041 | xcv = sv_2cv(sv, &hv, &gv, 0); |
2042 | RETVAL = PTR2UV(xcv ? CvROOT(xcv) : NULL); |
53c979f0 |
2043 | OUTPUT: |
2044 | RETVAL |
2045 | |
db81d362 |
2046 | BOOT: |
2047 | WARNINGS_ENABLE { |
2048 | HV *const stash = gv_stashpvs(MY_PKG, GV_ADD); |
426a4d69 |
2049 | /**/ |
d8e5d540 |
2050 | newCONSTSUB(stash, "FLAG_NAME_OK", newSViv(FLAG_NAME_OK)); |
2051 | newCONSTSUB(stash, "FLAG_ANON_OK", newSViv(FLAG_ANON_OK)); |
63915d26 |
2052 | newCONSTSUB(stash, "FLAG_DEFAULT_ARGS", newSViv(FLAG_DEFAULT_ARGS)); |
d8e5d540 |
2053 | newCONSTSUB(stash, "FLAG_CHECK_NARGS", newSViv(FLAG_CHECK_NARGS)); |
2054 | newCONSTSUB(stash, "FLAG_INVOCANT", newSViv(FLAG_INVOCANT)); |
e158cf8f |
2055 | newCONSTSUB(stash, "FLAG_NAMED_PARAMS", newSViv(FLAG_NAMED_PARAMS)); |
51a483f8 |
2056 | newCONSTSUB(stash, "FLAG_TYPES_OK", newSViv(FLAG_TYPES_OK)); |
2057 | newCONSTSUB(stash, "FLAG_CHECK_TARGS", newSViv(FLAG_CHECK_TARGS)); |
db81d362 |
2058 | newCONSTSUB(stash, "HINTK_KEYWORDS", newSVpvs(HINTK_KEYWORDS)); |
d8e5d540 |
2059 | newCONSTSUB(stash, "HINTK_FLAGS_", newSVpvs(HINTK_FLAGS_)); |
2060 | newCONSTSUB(stash, "HINTK_SHIFT_", newSVpvs(HINTK_SHIFT_)); |
2061 | newCONSTSUB(stash, "HINTK_ATTRS_", newSVpvs(HINTK_ATTRS_)); |
426a4d69 |
2062 | /**/ |
db81d362 |
2063 | next_keyword_plugin = PL_keyword_plugin; |
2064 | PL_keyword_plugin = my_keyword_plugin; |
2065 | } WARNINGS_RESET |