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, |
99 | FLAG_NAMED_PARAMS = 0x20 |
63915d26 |
100 | }; |
101 | |
102 | DEFSTRUCT(KWSpec) { |
103 | unsigned flags; |
b72eb6ee |
104 | SV *shift; |
105 | SV *attrs; |
63915d26 |
106 | }; |
db81d362 |
107 | |
108 | static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **); |
109 | |
e4648f19 |
110 | DEFSTRUCT(Resource) { |
111 | Resource *next; |
112 | void *data; |
113 | void (*destroy)(pTHX_ void *); |
114 | }; |
115 | |
116 | typedef Resource *Sentinel[1]; |
117 | |
118 | static void sentinel_clear_void(pTHX_ void *p) { |
119 | Resource **pp = p; |
120 | while (*pp) { |
121 | Resource *cur = *pp; |
122 | cur->destroy(aTHX_ cur->data); |
123 | cur->data = (void *)"no"; |
124 | cur->destroy = NULL; |
125 | *pp = cur->next; |
126 | Safefree(cur); |
127 | } |
128 | } |
129 | |
130 | static void sentinel_register(Sentinel sen, void *data, void (*destroy)(pTHX_ void *)) { |
131 | Resource *cur; |
132 | |
133 | Newx(cur, 1, Resource); |
134 | cur->data = data; |
135 | cur->destroy = destroy; |
136 | cur->next = *sen; |
137 | *sen = cur; |
138 | } |
139 | |
140 | static void my_sv_refcnt_dec_void(pTHX_ void *p) { |
141 | SV *sv = p; |
142 | SvREFCNT_dec(sv); |
143 | } |
144 | |
145 | static SV *sentinel_mortalize(Sentinel sen, SV *sv) { |
146 | sentinel_register(sen, sv, my_sv_refcnt_dec_void); |
147 | return sv; |
148 | } |
149 | |
e4648f19 |
150 | static int kw_flags(pTHX_ Sentinel sen, const char *kw_ptr, STRLEN kw_len, KWSpec *spec) { |
db81d362 |
151 | HV *hints; |
152 | SV *sv, **psv; |
153 | const char *p, *kw_active; |
154 | STRLEN kw_active_len; |
155 | |
63915d26 |
156 | spec->flags = 0; |
e4648f19 |
157 | spec->shift = sentinel_mortalize(sen, newSVpvs("")); |
158 | spec->attrs = sentinel_mortalize(sen, newSVpvs("")); |
db81d362 |
159 | |
160 | if (!(hints = GvHV(PL_hintgv))) { |
161 | return FALSE; |
162 | } |
163 | if (!(psv = hv_fetchs(hints, HINTK_KEYWORDS, 0))) { |
164 | return FALSE; |
165 | } |
166 | sv = *psv; |
167 | kw_active = SvPV(sv, kw_active_len); |
168 | if (kw_active_len <= kw_len) { |
169 | return FALSE; |
170 | } |
e88490f6 |
171 | for ( |
172 | p = kw_active; |
173 | (p = strchr(p, *kw_ptr)) && |
174 | p < kw_active + kw_active_len - kw_len; |
175 | p++ |
176 | ) { |
db81d362 |
177 | if ( |
178 | (p == kw_active || p[-1] == ' ') && |
179 | p[kw_len] == ' ' && |
180 | memcmp(kw_ptr, p, kw_len) == 0 |
181 | ) { |
b72eb6ee |
182 | |
d970c3e7 |
183 | #define FETCH_HINTK_INTO(NAME, PTR, LEN, X) STMT_START { \ |
b72eb6ee |
184 | const char *fk_ptr_; \ |
185 | STRLEN fk_len_; \ |
186 | SV *fk_sv_; \ |
e4648f19 |
187 | fk_sv_ = sentinel_mortalize(sen, newSVpvs(HINTK_ ## NAME)); \ |
b72eb6ee |
188 | sv_catpvn(fk_sv_, PTR, LEN); \ |
189 | fk_ptr_ = SvPV(fk_sv_, fk_len_); \ |
190 | if (!((X) = hv_fetch(hints, fk_ptr_, fk_len_, 0))) { \ |
191 | croak("%s: internal error: $^H{'%.*s'} not set", MY_PKG, (int)fk_len_, fk_ptr_); \ |
192 | } \ |
d970c3e7 |
193 | } STMT_END |
b72eb6ee |
194 | |
63915d26 |
195 | FETCH_HINTK_INTO(FLAGS_, kw_ptr, kw_len, psv); |
196 | spec->flags = SvIV(*psv); |
db81d362 |
197 | |
b72eb6ee |
198 | FETCH_HINTK_INTO(SHIFT_, kw_ptr, kw_len, psv); |
199 | SvSetSV(spec->shift, *psv); |
db81d362 |
200 | |
b72eb6ee |
201 | FETCH_HINTK_INTO(ATTRS_, kw_ptr, kw_len, psv); |
202 | SvSetSV(spec->attrs, *psv); |
203 | |
204 | #undef FETCH_HINTK_INTO |
db81d362 |
205 | return TRUE; |
206 | } |
207 | } |
208 | return FALSE; |
209 | } |
210 | |
211 | |
311ced6f |
212 | static void free_ptr_op(pTHX_ void *vp) { |
c311cef3 |
213 | OP **pp = vp; |
214 | op_free(*pp); |
215 | Safefree(pp); |
216 | } |
217 | |
59016bfb |
218 | #define sv_eq_pvs(SV, S) my_sv_eq_pvn(aTHX_ SV, "" S "", sizeof (S) - 1) |
c311cef3 |
219 | |
59016bfb |
220 | static int my_sv_eq_pvn(pTHX_ SV *sv, const char *p, STRLEN n) { |
c311cef3 |
221 | STRLEN sv_len; |
222 | const char *sv_p = SvPV(sv, sv_len); |
59016bfb |
223 | return memcmp(sv_p, p, n) == 0; |
c311cef3 |
224 | } |
225 | |
226 | |
227 | #include "padop_on_crack.c.inc" |
228 | |
229 | |
c311cef3 |
230 | enum { |
231 | MY_ATTR_LVALUE = 0x01, |
232 | MY_ATTR_METHOD = 0x02, |
233 | MY_ATTR_SPECIAL = 0x04 |
234 | }; |
235 | |
31534187 |
236 | static void my_sv_cat_c(pTHX_ SV *sv, U32 c) { |
237 | char ds[UTF8_MAXBYTES + 1], *d; |
67fc1ddb |
238 | d = (char *)uvchr_to_utf8((U8 *)ds, c); |
31534187 |
239 | if (d - ds > 1) { |
240 | sv_utf8_upgrade(sv); |
241 | } |
242 | sv_catpvn(sv, ds, d - ds); |
243 | } |
244 | |
245 | static bool my_is_uni_xidfirst(pTHX_ UV c) { |
246 | U8 tmpbuf[UTF8_MAXBYTES + 1]; |
247 | uvchr_to_utf8(tmpbuf, c); |
248 | return is_utf8_xidfirst(tmpbuf); |
249 | } |
250 | |
251 | static bool my_is_uni_xidcont(pTHX_ UV c) { |
252 | U8 tmpbuf[UTF8_MAXBYTES + 1]; |
253 | uvchr_to_utf8(tmpbuf, c); |
254 | return is_utf8_xidcont(tmpbuf); |
255 | } |
256 | |
e4648f19 |
257 | static SV *my_scan_word(pTHX_ Sentinel sen, bool allow_package) { |
31534187 |
258 | bool at_start, at_substart; |
259 | I32 c; |
e4648f19 |
260 | SV *sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
261 | if (lex_bufutf8()) { |
262 | SvUTF8_on(sv); |
263 | } |
264 | |
265 | at_start = at_substart = TRUE; |
266 | c = lex_peek_unichar(0); |
267 | |
268 | while (c != -1) { |
269 | if (at_substart ? my_is_uni_xidfirst(aTHX_ c) : my_is_uni_xidcont(aTHX_ c)) { |
270 | lex_read_unichar(0); |
271 | my_sv_cat_c(aTHX_ sv, c); |
272 | at_substart = FALSE; |
273 | c = lex_peek_unichar(0); |
274 | } else if (allow_package && !at_substart && c == '\'') { |
275 | lex_read_unichar(0); |
276 | c = lex_peek_unichar(0); |
277 | if (!my_is_uni_xidfirst(aTHX_ c)) { |
278 | lex_stuff_pvs("'", 0); |
279 | break; |
280 | } |
281 | sv_catpvs(sv, "'"); |
282 | at_substart = TRUE; |
283 | } else if (allow_package && (at_start || !at_substart) && c == ':') { |
284 | lex_read_unichar(0); |
285 | if (lex_peek_unichar(0) != ':') { |
286 | lex_stuff_pvs(":", 0); |
287 | break; |
288 | } |
289 | lex_read_unichar(0); |
290 | c = lex_peek_unichar(0); |
291 | if (!my_is_uni_xidfirst(aTHX_ c)) { |
292 | lex_stuff_pvs("::", 0); |
293 | break; |
294 | } |
295 | sv_catpvs(sv, "::"); |
296 | at_substart = TRUE; |
297 | } else { |
298 | break; |
299 | } |
300 | at_start = FALSE; |
301 | } |
302 | |
303 | return SvCUR(sv) ? sv : NULL; |
304 | } |
305 | |
e4648f19 |
306 | static SV *my_scan_parens_tail(pTHX_ Sentinel sen, bool keep_backslash) { |
31534187 |
307 | I32 c, nesting; |
308 | SV *sv; |
309 | line_t start; |
310 | |
311 | start = CopLINE(PL_curcop); |
312 | |
e4648f19 |
313 | sv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
314 | if (lex_bufutf8()) { |
315 | SvUTF8_on(sv); |
316 | } |
317 | |
318 | nesting = 0; |
319 | for (;;) { |
320 | c = lex_read_unichar(0); |
321 | if (c == EOF) { |
322 | CopLINE_set(PL_curcop, start); |
323 | return NULL; |
324 | } |
325 | |
326 | if (c == '\\') { |
327 | c = lex_read_unichar(0); |
328 | if (c == EOF) { |
329 | CopLINE_set(PL_curcop, start); |
330 | return NULL; |
331 | } |
332 | if (keep_backslash || (c != '(' && c != ')')) { |
333 | sv_catpvs(sv, "\\"); |
334 | } |
335 | } else if (c == '(') { |
336 | nesting++; |
337 | } else if (c == ')') { |
338 | if (!nesting) { |
339 | break; |
340 | } |
341 | nesting--; |
342 | } |
343 | |
344 | my_sv_cat_c(aTHX_ sv, c); |
345 | } |
346 | |
347 | return sv; |
348 | } |
349 | |
e4648f19 |
350 | static void my_check_prototype(pTHX_ Sentinel sen, const SV *declarator, SV *proto) { |
31534187 |
351 | char *start, *r, *w, *end; |
352 | STRLEN len; |
353 | |
354 | /* strip spaces */ |
355 | start = SvPV(proto, len); |
356 | end = start + len; |
357 | |
358 | for (w = r = start; r < end; r++) { |
359 | if (!isSPACE(*r)) { |
360 | *w++ = *r; |
361 | } |
362 | } |
363 | *w = '\0'; |
364 | SvCUR_set(proto, w - start); |
365 | end = w; |
366 | len = end - start; |
367 | |
368 | if (!ckWARN(WARN_ILLEGALPROTO)) { |
369 | return; |
370 | } |
371 | |
372 | /* check for bad characters */ |
373 | if (strspn(start, "$@%*;[]&\\_+") != len) { |
e4648f19 |
374 | SV *dsv = sentinel_mortalize(sen, newSVpvs("")); |
31534187 |
375 | warner( |
376 | packWARN(WARN_ILLEGALPROTO), |
377 | "Illegal character in prototype for %"SVf" : %s", |
378 | SVfARG(declarator), |
379 | SvUTF8(proto) |
380 | ? sv_uni_display( |
381 | dsv, |
382 | proto, |
383 | len, |
384 | UNI_DISPLAY_ISPRINT |
385 | ) |
386 | : pv_pretty(dsv, start, len, 60, NULL, NULL, |
387 | PERL_PV_ESCAPE_NONASCII |
388 | ) |
389 | ); |
390 | return; |
391 | } |
392 | |
393 | for (r = start; r < end; r++) { |
394 | switch (*r) { |
395 | default: |
396 | warner( |
397 | packWARN(WARN_ILLEGALPROTO), |
398 | "Illegal character in prototype for %"SVf" : %s", |
399 | SVfARG(declarator), r |
400 | ); |
401 | return; |
402 | |
403 | case '_': |
404 | if (r[1] && !strchr(";@%", *r)) { |
405 | warner( |
406 | packWARN(WARN_ILLEGALPROTO), |
407 | "Illegal character after '_' in prototype for %"SVf" : %s", |
408 | SVfARG(declarator), r |
409 | ); |
410 | return; |
411 | } |
412 | break; |
413 | |
414 | case '@': |
415 | case '%': |
416 | if (r[1]) { |
417 | warner( |
418 | packWARN(WARN_ILLEGALPROTO), |
419 | "prototype after '%c' for %"SVf": %s", |
420 | *r, SVfARG(declarator), r + 1 |
421 | ); |
422 | return; |
423 | } |
424 | break; |
425 | |
426 | case '\\': |
427 | r++; |
428 | if (strchr("$@%&*", *r)) { |
429 | break; |
430 | } |
431 | if (*r == '[') { |
432 | r++; |
433 | for (; r < end && *r != ']'; r++) { |
434 | if (!strchr("$@%&*", *r)) { |
435 | break; |
436 | } |
437 | } |
438 | if (*r == ']' && r[-1] != '[') { |
439 | break; |
440 | } |
441 | } |
442 | warner( |
443 | packWARN(WARN_ILLEGALPROTO), |
444 | "Illegal character after '\\' in prototype for %"SVf" : %s", |
445 | SVfARG(declarator), r |
446 | ); |
447 | return; |
448 | |
449 | case '$': |
450 | case '*': |
451 | case '&': |
452 | case ';': |
453 | case '+': |
454 | break; |
455 | } |
456 | } |
457 | } |
458 | |
e158cf8f |
459 | |
460 | DEFSTRUCT(Param) { |
461 | SV *name; |
462 | PADOFFSET padoff; |
463 | }; |
464 | |
465 | DEFSTRUCT(ParamInit) { |
466 | Param param; |
467 | OP *init; |
468 | }; |
469 | |
470 | #define VEC(B) B ## _Vec |
471 | |
472 | #define DEFVECTOR(B) DEFSTRUCT(VEC(B)) { \ |
473 | B (*data); \ |
474 | size_t used, size; \ |
475 | } |
476 | |
477 | DEFVECTOR(Param); |
478 | DEFVECTOR(ParamInit); |
479 | |
480 | #define DEFVECTOR_INIT(N, B) static void N(VEC(B) *p) { \ |
481 | p->used = 0; \ |
482 | p->size = 23; \ |
483 | Newx(p->data, p->size, B); \ |
484 | } static void N(VEC(B) *) |
485 | |
486 | DEFSTRUCT(ParamSpec) { |
487 | Param invocant; |
488 | VEC(Param) positional_required; |
489 | VEC(ParamInit) positional_optional; |
490 | VEC(Param) named_required; |
491 | VEC(ParamInit) named_optional; |
492 | Param slurpy; |
fc634bba |
493 | PADOFFSET rest_hash; |
e158cf8f |
494 | }; |
495 | |
496 | DEFVECTOR_INIT(pv_init, Param); |
497 | DEFVECTOR_INIT(piv_init, ParamInit); |
498 | |
499 | static void p_init(Param *p) { |
500 | p->name = NULL; |
501 | p->padoff = NOT_IN_PAD; |
502 | } |
503 | |
504 | static void ps_init(ParamSpec *ps) { |
505 | p_init(&ps->invocant); |
506 | pv_init(&ps->positional_required); |
507 | piv_init(&ps->positional_optional); |
508 | pv_init(&ps->named_required); |
509 | piv_init(&ps->named_optional); |
510 | p_init(&ps->slurpy); |
fc634bba |
511 | ps->rest_hash = NOT_IN_PAD; |
e158cf8f |
512 | } |
513 | |
514 | #define DEFVECTOR_EXTEND(N, B) static B (*N(VEC(B) *p)) { \ |
515 | assert(p->used <= p->size); \ |
516 | if (p->used == p->size) { \ |
517 | const size_t n = p->size / 2 * 3 + 1; \ |
518 | Renew(p->data, n, B); \ |
519 | p->size = n; \ |
520 | } \ |
521 | return &p->data[p->used]; \ |
522 | } static B (*N(VEC(B) *)) |
523 | |
524 | DEFVECTOR_EXTEND(pv_extend, Param); |
525 | DEFVECTOR_EXTEND(piv_extend, ParamInit); |
526 | |
527 | #define DEFVECTOR_CLEAR(N, B, F) static void N(pTHX_ VEC(B) *p) { \ |
528 | while (p->used) { \ |
529 | p->used--; \ |
530 | F(aTHX_ &p->data[p->used]); \ |
531 | } \ |
532 | Safefree(p->data); \ |
533 | p->data = NULL; \ |
534 | p->size = 0; \ |
535 | } static void N(pTHX_ VEC(B) *) |
536 | |
537 | static void p_clear(pTHX_ Param *p) { |
538 | p->name = NULL; |
539 | p->padoff = NOT_IN_PAD; |
540 | } |
541 | |
542 | static void pi_clear(pTHX_ ParamInit *pi) { |
543 | p_clear(aTHX_ &pi->param); |
544 | if (pi->init) { |
545 | op_free(pi->init); |
546 | pi->init = NULL; |
547 | } |
548 | } |
549 | |
550 | DEFVECTOR_CLEAR(pv_clear, Param, p_clear); |
551 | DEFVECTOR_CLEAR(piv_clear, ParamInit, pi_clear); |
552 | |
553 | static void ps_clear(pTHX_ ParamSpec *ps) { |
554 | p_clear(aTHX_ &ps->invocant); |
555 | |
556 | pv_clear(aTHX_ &ps->positional_required); |
557 | piv_clear(aTHX_ &ps->positional_optional); |
558 | |
559 | pv_clear(aTHX_ &ps->named_required); |
560 | piv_clear(aTHX_ &ps->named_optional); |
561 | |
562 | p_clear(aTHX_ &ps->slurpy); |
563 | } |
564 | |
565 | static int ps_contains(pTHX_ const ParamSpec *ps, SV *sv) { |
566 | size_t i, lim; |
567 | |
568 | if (ps->invocant.name && sv_eq(sv, ps->invocant.name)) { |
569 | return 1; |
570 | } |
571 | |
572 | for (i = 0, lim = ps->positional_required.used; i < lim; i++) { |
573 | if (sv_eq(sv, ps->positional_required.data[i].name)) { |
574 | return 1; |
575 | } |
576 | } |
577 | |
578 | for (i = 0, lim = ps->positional_optional.used; i < lim; i++) { |
579 | if (sv_eq(sv, ps->positional_optional.data[i].param.name)) { |
580 | return 1; |
581 | } |
582 | } |
583 | |
584 | for (i = 0, lim = ps->named_required.used; i < lim; i++) { |
585 | if (sv_eq(sv, ps->named_required.data[i].name)) { |
586 | return 1; |
587 | } |
588 | } |
589 | |
590 | for (i = 0, lim = ps->named_optional.used; i < lim; i++) { |
591 | if (sv_eq(sv, ps->named_optional.data[i].param.name)) { |
592 | return 1; |
593 | } |
594 | } |
595 | |
596 | return 0; |
597 | } |
598 | |
599 | static void ps_free_void(pTHX_ void *p) { |
600 | ps_clear(aTHX_ p); |
601 | Safefree(p); |
602 | } |
603 | |
604 | static int args_min(pTHX_ const ParamSpec *ps, const KWSpec *ks) { |
605 | int n = 0; |
606 | if (!ps) { |
607 | return SvTRUE(ks->shift) ? 1 : 0; |
608 | } |
609 | if (ps->invocant.name) { |
610 | n++; |
611 | } |
612 | n += ps->positional_required.used; |
613 | n += ps->named_required.used * 2; |
614 | return n; |
615 | } |
616 | |
617 | static int args_max(const ParamSpec *ps) { |
618 | int n = 0; |
619 | if (!ps) { |
620 | return -1; |
621 | } |
622 | if (ps->invocant.name) { |
623 | n++; |
624 | } |
625 | n += ps->positional_required.used; |
626 | n += ps->positional_optional.used; |
627 | if (ps->named_required.used || ps->named_optional.used || ps->slurpy.name) { |
628 | n = -1; |
629 | } |
630 | return n; |
631 | } |
632 | |
633 | static size_t count_positional_params(const ParamSpec *ps) { |
634 | return ps->positional_required.used + ps->positional_optional.used; |
635 | } |
636 | |
637 | static size_t count_named_params(const ParamSpec *ps) { |
638 | return ps->named_required.used + ps->named_optional.used; |
639 | } |
640 | |
641 | enum { |
642 | PARAM_INVOCANT = 0x01, |
643 | PARAM_NAMED = 0x02 |
644 | }; |
645 | |
646 | /* *pinit must be NULL on entry. |
647 | * caller must free *pinit on error. |
648 | */ |
649 | static PADOFFSET parse_param( |
650 | pTHX_ |
e4648f19 |
651 | Sentinel sen, |
e158cf8f |
652 | const SV *declarator, const KWSpec *spec, ParamSpec *param_spec, |
653 | int *pflags, SV **pname, OP **pinit |
654 | ) { |
655 | I32 c; |
656 | char sigil; |
657 | SV *name; |
658 | |
659 | assert(!*pinit); |
660 | *pflags = 0; |
661 | |
662 | c = lex_peek_unichar(0); |
663 | |
664 | if (c == ':') { |
665 | lex_read_unichar(0); |
666 | lex_read_space(0); |
667 | |
668 | *pflags |= PARAM_NAMED; |
669 | |
670 | c = lex_peek_unichar(0); |
671 | } |
672 | |
673 | if (c == -1) { |
674 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
675 | } |
676 | if (!(c == '$' || c == '@' || c == '%')) { |
677 | croak("In %"SVf": unexpected '%c' in parameter list (expecting a sigil)", SVfARG(declarator), (int)c); |
678 | } |
679 | |
680 | sigil = c; |
681 | |
682 | lex_read_unichar(0); |
683 | lex_read_space(0); |
684 | |
e4648f19 |
685 | if (!(name = my_scan_word(aTHX_ sen, FALSE))) { |
e158cf8f |
686 | croak("In %"SVf": missing identifier after '%c'", SVfARG(declarator), sigil); |
687 | } |
688 | sv_insert(name, 0, 0, &sigil, 1); |
689 | *pname = name; |
690 | |
691 | lex_read_space(0); |
692 | c = lex_peek_unichar(0); |
693 | |
694 | if (c == '=') { |
695 | lex_read_unichar(0); |
696 | lex_read_space(0); |
697 | |
698 | |
699 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
700 | param_spec->invocant.name = spec->shift; |
701 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
702 | } |
703 | |
704 | *pinit = parse_termexpr(0); |
705 | |
706 | lex_read_space(0); |
707 | c = lex_peek_unichar(0); |
708 | } |
709 | |
710 | if (c == ':') { |
711 | *pflags |= PARAM_INVOCANT; |
712 | lex_read_unichar(0); |
713 | lex_read_space(0); |
714 | } else if (c == ',') { |
715 | lex_read_unichar(0); |
716 | lex_read_space(0); |
717 | } else if (c != ')') { |
718 | if (c == -1) { |
719 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
720 | } |
721 | croak("In %"SVf": unexpected '%c' in parameter list (expecting ',')", SVfARG(declarator), (int)c); |
722 | } |
723 | |
724 | return pad_add_name_sv(*pname, IF_HAVE_PERL_5_16(padadd_NO_DUP_CHECK, 0), NULL, NULL); |
725 | } |
726 | |
727 | static OP *my_var_g(pTHX_ I32 type, I32 flags, PADOFFSET padoff) { |
728 | OP *var = newOP(type, flags); |
729 | var->op_targ = padoff; |
730 | return var; |
731 | } |
732 | |
733 | static OP *my_var(pTHX_ I32 flags, PADOFFSET padoff) { |
734 | return my_var_g(aTHX_ OP_PADSV, flags, padoff); |
735 | } |
736 | |
fc634bba |
737 | static OP *mkhvelem(pTHX_ PADOFFSET h, OP *k) { |
738 | OP *hv = my_var_g(aTHX_ OP_PADHV, OPf_REF, h); |
739 | return newBINOP(OP_HELEM, 0, hv, k); |
740 | } |
741 | |
742 | static OP *mkconstsv(pTHX_ SV *sv) { |
743 | return newSVOP(OP_CONST, 0, sv); |
744 | } |
745 | |
746 | static OP *mkconstiv(pTHX_ IV i) { |
747 | return mkconstsv(aTHX_ newSViv(i)); |
748 | } |
749 | |
750 | static OP *mkconstpv(pTHX_ const char *p, size_t n) { |
751 | return mkconstsv(aTHX_ newSVpv(p, n)); |
752 | } |
753 | |
754 | #define mkconstpvs(S) mkconstpv(aTHX_ "" S "", sizeof S - 1) |
755 | |
53c979f0 |
756 | static void register_info(pTHX_ UV key, SV *declarator, const KWSpec *kws, const ParamSpec *ps) { |
757 | dSP; |
758 | |
759 | ENTER; |
760 | SAVETMPS; |
761 | |
762 | PUSHMARK(SP); |
763 | EXTEND(SP, 8); |
764 | |
765 | /* 0 */ { |
766 | mPUSHu(key); |
767 | } |
768 | /* 1 */ { |
769 | size_t n; |
770 | char *p = SvPV(declarator, n); |
771 | char *q = memchr(p, ' ', n); |
79bce2d4 |
772 | mPUSHp(p, q ? (size_t)(q - p) : n); |
53c979f0 |
773 | } |
774 | if (!ps) { |
775 | if (SvTRUE(kws->shift)) { |
776 | PUSHs(kws->shift); |
777 | } else { |
778 | PUSHmortal; |
779 | } |
780 | mPUSHs(newRV_noinc((SV *)newAV())); |
781 | mPUSHs(newRV_noinc((SV *)newAV())); |
782 | mPUSHs(newRV_noinc((SV *)newAV())); |
783 | mPUSHs(newRV_noinc((SV *)newAV())); |
784 | mPUSHp("@_", 2); |
785 | } else { |
786 | /* 2 */ { |
787 | if (ps->invocant.name) { |
788 | PUSHs(ps->invocant.name); |
789 | } else { |
790 | PUSHmortal; |
791 | } |
792 | } |
793 | /* 3 */ { |
794 | size_t i, lim; |
795 | AV *av; |
796 | |
797 | lim = ps->positional_required.used; |
798 | |
799 | av = newAV(); |
800 | if (lim) { |
801 | av_extend(av, lim - 1); |
802 | for (i = 0; i < lim; i++) { |
803 | av_push(av, SvREFCNT_inc_simple_NN(ps->positional_required.data[i].name)); |
804 | } |
805 | } |
806 | |
807 | mPUSHs(newRV_noinc((SV *)av)); |
808 | } |
809 | /* 4 */ { |
810 | size_t i, lim; |
811 | AV *av; |
812 | |
813 | lim = ps->positional_optional.used; |
814 | |
815 | av = newAV(); |
816 | if (lim) { |
817 | av_extend(av, lim - 1); |
818 | for (i = 0; i < lim; i++) { |
819 | av_push(av, SvREFCNT_inc_simple_NN(ps->positional_optional.data[i].param.name)); |
820 | } |
821 | } |
822 | |
823 | mPUSHs(newRV_noinc((SV *)av)); |
824 | } |
825 | /* 5 */ { |
826 | size_t i, lim; |
827 | AV *av; |
828 | |
829 | lim = ps->named_required.used; |
830 | |
831 | av = newAV(); |
832 | if (lim) { |
833 | av_extend(av, lim - 1); |
834 | for (i = 0; i < lim; i++) { |
835 | av_push(av, SvREFCNT_inc_simple_NN(ps->named_required.data[i].name)); |
836 | } |
837 | } |
838 | |
839 | mPUSHs(newRV_noinc((SV *)av)); |
840 | } |
841 | /* 6 */ { |
842 | size_t i, lim; |
843 | AV *av; |
844 | |
845 | lim = ps->named_optional.used; |
846 | |
847 | av = newAV(); |
848 | if (lim) { |
849 | av_extend(av, lim - 1); |
850 | for (i = 0; i < lim; i++) { |
851 | av_push(av, SvREFCNT_inc_simple_NN(ps->named_optional.data[i].param.name)); |
852 | } |
853 | } |
854 | |
855 | mPUSHs(newRV_noinc((SV *)av)); |
856 | } |
857 | /* 7 */ { |
858 | if (ps->slurpy.name) { |
859 | PUSHs(ps->slurpy.name); |
860 | } else { |
861 | PUSHmortal; |
862 | } |
863 | } |
864 | } |
865 | PUTBACK; |
866 | |
867 | call_pv(MY_PKG "::_register_info", G_VOID); |
868 | |
869 | FREETMPS; |
870 | LEAVE; |
871 | } |
872 | |
e4648f19 |
873 | static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) { |
e158cf8f |
874 | ParamSpec *param_spec; |
c311cef3 |
875 | SV *declarator; |
876 | I32 floor_ix; |
63915d26 |
877 | int save_ix; |
c311cef3 |
878 | SV *saw_name; |
1e0f1595 |
879 | OP **prelude_sentinel; |
c311cef3 |
880 | SV *proto; |
881 | OP **attrs_sentinel, *body; |
882 | unsigned builtin_attrs; |
db81d362 |
883 | I32 c; |
884 | |
e4648f19 |
885 | declarator = sentinel_mortalize(sen, newSVpvn(keyword_ptr, keyword_len)); |
db81d362 |
886 | |
db81d362 |
887 | lex_read_space(0); |
888 | |
c311cef3 |
889 | builtin_attrs = 0; |
890 | |
db81d362 |
891 | /* function name */ |
c311cef3 |
892 | saw_name = NULL; |
e4648f19 |
893 | if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ sen, TRUE))) { |
c311cef3 |
894 | |
895 | if (PL_parser->expect != XSTATE) { |
896 | /* bail out early so we don't predeclare $saw_name */ |
897 | croak("In %"SVf": I was expecting a function body, not \"%"SVf"\"", SVfARG(declarator), SVfARG(saw_name)); |
898 | } |
899 | |
db81d362 |
900 | sv_catpvs(declarator, " "); |
c311cef3 |
901 | sv_catsv(declarator, saw_name); |
902 | |
903 | if ( |
904 | sv_eq_pvs(saw_name, "BEGIN") || |
905 | sv_eq_pvs(saw_name, "END") || |
906 | sv_eq_pvs(saw_name, "INIT") || |
907 | sv_eq_pvs(saw_name, "CHECK") || |
908 | sv_eq_pvs(saw_name, "UNITCHECK") |
909 | ) { |
910 | builtin_attrs |= MY_ATTR_SPECIAL; |
911 | } |
912 | |
db81d362 |
913 | lex_read_space(0); |
63915d26 |
914 | } else if (!(spec->flags & FLAG_ANON_OK)) { |
31534187 |
915 | croak("I was expecting a function name, not \"%.*s\"", (int)(PL_parser->bufend - PL_parser->bufptr), PL_parser->bufptr); |
db81d362 |
916 | } else { |
917 | sv_catpvs(declarator, " (anon)"); |
918 | } |
919 | |
63915d26 |
920 | /* we're a subroutine declaration */ |
c311cef3 |
921 | floor_ix = start_subparse(FALSE, saw_name ? 0 : CVf_ANON); |
922 | SAVEFREESV(PL_compcv); |
923 | |
63915d26 |
924 | /* create outer block: '{' */ |
925 | save_ix = S_block_start(aTHX_ TRUE); |
926 | |
1e0f1595 |
927 | /* initialize synthetic optree */ |
928 | Newx(prelude_sentinel, 1, OP *); |
929 | *prelude_sentinel = NULL; |
e4648f19 |
930 | sentinel_register(sen, prelude_sentinel, free_ptr_op); |
1e0f1595 |
931 | |
db81d362 |
932 | /* parameters */ |
e158cf8f |
933 | param_spec = NULL; |
63915d26 |
934 | |
db81d362 |
935 | c = lex_peek_unichar(0); |
936 | if (c == '(') { |
e158cf8f |
937 | OP **init_sentinel; |
938 | |
939 | Newx(init_sentinel, 1, OP *); |
940 | *init_sentinel = NULL; |
e4648f19 |
941 | sentinel_register(sen, init_sentinel, free_ptr_op); |
e158cf8f |
942 | |
943 | Newx(param_spec, 1, ParamSpec); |
944 | ps_init(param_spec); |
e4648f19 |
945 | sentinel_register(sen, param_spec, ps_free_void); |
db81d362 |
946 | |
947 | lex_read_unichar(0); |
948 | lex_read_space(0); |
949 | |
e158cf8f |
950 | while ((c = lex_peek_unichar(0)) != ')') { |
951 | int flags; |
952 | SV *name; |
953 | char sigil; |
954 | PADOFFSET padoff; |
c311cef3 |
955 | |
e4648f19 |
956 | padoff = parse_param(aTHX_ sen, declarator, spec, param_spec, &flags, &name, init_sentinel); |
c311cef3 |
957 | |
e158cf8f |
958 | S_intro_my(aTHX); |
63915d26 |
959 | |
e158cf8f |
960 | sigil = SvPV_nolen(name)[0]; |
db81d362 |
961 | |
e158cf8f |
962 | /* internal consistency */ |
963 | if (flags & PARAM_NAMED) { |
964 | if (flags & PARAM_INVOCANT) { |
965 | croak("In %"SVf": invocant %"SVf" can't be a named parameter", SVfARG(declarator), SVfARG(name)); |
db81d362 |
966 | } |
e158cf8f |
967 | if (sigil != '$') { |
968 | croak("In %"SVf": named parameter %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
db81d362 |
969 | } |
e158cf8f |
970 | } else if (flags & PARAM_INVOCANT) { |
971 | if (*init_sentinel) { |
972 | croak("In %"SVf": invocant %"SVf" can't have a default value", SVfARG(declarator), SVfARG(name)); |
db81d362 |
973 | } |
e158cf8f |
974 | if (sigil != '$') { |
975 | croak("In %"SVf": invocant %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
976 | } |
977 | } else if (sigil != '$' && *init_sentinel) { |
978 | croak("In %"SVf": %s %"SVf" can't have a default value", SVfARG(declarator), sigil == '@' ? "array" : "hash", SVfARG(name)); |
979 | } |
db81d362 |
980 | |
e158cf8f |
981 | /* external constraints */ |
982 | if (param_spec->slurpy.name) { |
983 | croak("In %"SVf": I was expecting \")\" after \"%"SVf"\", not \"%"SVf"\"", SVfARG(declarator), SVfARG(param_spec->slurpy.name), SVfARG(name)); |
984 | } |
985 | if (sigil != '$') { |
986 | assert(!*init_sentinel); |
987 | param_spec->slurpy.name = name; |
988 | param_spec->slurpy.padoff = padoff; |
989 | continue; |
990 | } |
d8e5d540 |
991 | |
e158cf8f |
992 | if (!(flags & PARAM_NAMED) && count_named_params(param_spec)) { |
993 | 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)); |
994 | } |
d8e5d540 |
995 | |
e158cf8f |
996 | if (flags & PARAM_INVOCANT) { |
997 | if (param_spec->invocant.name) { |
998 | croak("In %"SVf": invalid double invocants %"SVf", %"SVf"", SVfARG(declarator), SVfARG(param_spec->invocant.name), SVfARG(name)); |
999 | } |
1000 | if (count_positional_params(param_spec) || count_named_params(param_spec)) { |
1001 | croak("In %"SVf": invocant %"SVf" must be first in parameter list", SVfARG(declarator), SVfARG(name)); |
63915d26 |
1002 | } |
e158cf8f |
1003 | if (!(spec->flags & FLAG_INVOCANT)) { |
1004 | croak("In %"SVf": invocant %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1005 | } |
1006 | param_spec->invocant.name = name; |
1007 | param_spec->invocant.padoff = padoff; |
1008 | continue; |
1009 | } |
63915d26 |
1010 | |
e158cf8f |
1011 | if (*init_sentinel && !(spec->flags & FLAG_DEFAULT_ARGS)) { |
1012 | croak("In %"SVf": default argument for %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1013 | } |
1e0f1595 |
1014 | |
e158cf8f |
1015 | if (ps_contains(aTHX_ param_spec, name)) { |
1016 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(name)); |
1017 | } |
1e0f1595 |
1018 | |
e158cf8f |
1019 | if (flags & PARAM_NAMED) { |
1020 | if (!(spec->flags & FLAG_NAMED_PARAMS)) { |
1021 | croak("In %"SVf": named parameter :%"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1e0f1595 |
1022 | } |
1023 | |
e158cf8f |
1024 | if (*init_sentinel) { |
1025 | ParamInit *pi = piv_extend(¶m_spec->named_optional); |
1026 | pi->param.name = name; |
1027 | pi->param.padoff = padoff; |
1028 | pi->init = *init_sentinel; |
1029 | *init_sentinel = NULL; |
1030 | param_spec->named_optional.used++; |
1031 | } else { |
67fc1ddb |
1032 | Param *p; |
1033 | |
e158cf8f |
1034 | if (param_spec->positional_optional.used) { |
1035 | 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)); |
1036 | } |
d8e5d540 |
1037 | |
67fc1ddb |
1038 | p = pv_extend(¶m_spec->named_required); |
e158cf8f |
1039 | p->name = name; |
1040 | p->padoff = padoff; |
1041 | param_spec->named_required.used++; |
1042 | } |
1043 | } else { |
1044 | if (*init_sentinel || param_spec->positional_optional.used) { |
1045 | ParamInit *pi = piv_extend(¶m_spec->positional_optional); |
1046 | pi->param.name = name; |
1047 | pi->param.padoff = padoff; |
1048 | pi->init = *init_sentinel; |
1049 | *init_sentinel = NULL; |
1050 | param_spec->positional_optional.used++; |
1051 | } else { |
1052 | Param *p = pv_extend(¶m_spec->positional_required); |
1053 | p->name = name; |
1054 | p->padoff = padoff; |
1055 | param_spec->positional_required.used++; |
db81d362 |
1056 | } |
1057 | } |
1058 | |
e158cf8f |
1059 | } |
1060 | lex_read_unichar(0); |
1061 | lex_read_space(0); |
1062 | *init_sentinel = NULL; |
db81d362 |
1063 | |
e158cf8f |
1064 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
1065 | if (ps_contains(aTHX_ param_spec, spec->shift)) { |
1066 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(spec->shift)); |
db81d362 |
1067 | } |
e158cf8f |
1068 | |
1069 | param_spec->invocant.name = spec->shift; |
1070 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
db81d362 |
1071 | } |
1072 | } |
1073 | |
1074 | /* prototype */ |
c311cef3 |
1075 | proto = NULL; |
db81d362 |
1076 | c = lex_peek_unichar(0); |
1077 | if (c == ':') { |
1078 | lex_read_unichar(0); |
1079 | lex_read_space(0); |
1080 | |
1081 | c = lex_peek_unichar(0); |
1082 | if (c != '(') { |
c311cef3 |
1083 | lex_stuff_pvs(":", 0); |
1084 | c = ':'; |
db81d362 |
1085 | } else { |
31534187 |
1086 | lex_read_unichar(0); |
e4648f19 |
1087 | if (!(proto = my_scan_parens_tail(aTHX_ sen, FALSE))) { |
f34187b8 |
1088 | croak("In %"SVf": prototype not terminated", SVfARG(declarator)); |
db81d362 |
1089 | } |
e4648f19 |
1090 | my_check_prototype(aTHX_ sen, declarator, proto); |
db81d362 |
1091 | lex_read_space(0); |
c311cef3 |
1092 | c = lex_peek_unichar(0); |
514bcaa6 |
1093 | if (!(c == ':' || c == '{')) { |
1094 | lex_stuff_pvs(":", 0); |
1095 | c = ':'; |
1096 | } |
db81d362 |
1097 | } |
1098 | } |
1099 | |
db81d362 |
1100 | /* attributes */ |
c311cef3 |
1101 | Newx(attrs_sentinel, 1, OP *); |
1102 | *attrs_sentinel = NULL; |
e4648f19 |
1103 | sentinel_register(sen, attrs_sentinel, free_ptr_op); |
c311cef3 |
1104 | |
63915d26 |
1105 | if (c == ':' || c == '{') /* '}' - hi, vim */ { |
c311cef3 |
1106 | |
1107 | /* kludge default attributes in */ |
1108 | if (SvTRUE(spec->attrs) && SvPV_nolen(spec->attrs)[0] == ':') { |
1109 | lex_stuff_sv(spec->attrs, 0); |
1110 | c = ':'; |
1111 | } |
b72eb6ee |
1112 | |
db81d362 |
1113 | if (c == ':') { |
db81d362 |
1114 | lex_read_unichar(0); |
1115 | lex_read_space(0); |
db81d362 |
1116 | c = lex_peek_unichar(0); |
c311cef3 |
1117 | |
1118 | for (;;) { |
1119 | SV *attr; |
1120 | |
e4648f19 |
1121 | if (!(attr = my_scan_word(aTHX_ sen, FALSE))) { |
c311cef3 |
1122 | break; |
db81d362 |
1123 | } |
c311cef3 |
1124 | |
db81d362 |
1125 | lex_read_space(0); |
1126 | c = lex_peek_unichar(0); |
c311cef3 |
1127 | |
1128 | if (c != '(') { |
1129 | if (sv_eq_pvs(attr, "lvalue")) { |
1130 | builtin_attrs |= MY_ATTR_LVALUE; |
1131 | attr = NULL; |
1132 | } else if (sv_eq_pvs(attr, "method")) { |
1133 | builtin_attrs |= MY_ATTR_METHOD; |
1134 | attr = NULL; |
1135 | } |
1136 | } else { |
31534187 |
1137 | SV *sv; |
1138 | lex_read_unichar(0); |
e4648f19 |
1139 | if (!(sv = my_scan_parens_tail(aTHX_ sen, TRUE))) { |
c311cef3 |
1140 | croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator)); |
1141 | } |
31534187 |
1142 | sv_catpvs(attr, "("); |
c311cef3 |
1143 | sv_catsv(attr, sv); |
31534187 |
1144 | sv_catpvs(attr, ")"); |
c311cef3 |
1145 | |
1146 | lex_read_space(0); |
1147 | c = lex_peek_unichar(0); |
1148 | } |
1149 | |
1150 | if (attr) { |
fc634bba |
1151 | *attrs_sentinel = op_append_elem(OP_LIST, *attrs_sentinel, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(attr))); |
c311cef3 |
1152 | } |
1153 | |
1154 | if (c == ':') { |
1155 | lex_read_unichar(0); |
1156 | lex_read_space(0); |
1157 | c = lex_peek_unichar(0); |
1158 | } |
db81d362 |
1159 | } |
1160 | } |
1161 | } |
1162 | |
1163 | /* body */ |
63915d26 |
1164 | if (c != '{') /* '}' - hi, vim */ { |
85bc3fbd |
1165 | croak("In %"SVf": I was expecting a function body, not \"%c\"", SVfARG(declarator), (int)c); |
db81d362 |
1166 | } |
c311cef3 |
1167 | |
63915d26 |
1168 | /* surprise predeclaration! */ |
1169 | if (saw_name) { |
1170 | /* 'sub NAME (PROTO);' to make name/proto known to perl before it |
1171 | starts parsing the body */ |
1172 | const I32 sub_ix = start_subparse(FALSE, 0); |
1173 | SAVEFREESV(PL_compcv); |
1174 | |
1175 | SvREFCNT_inc_simple_void(PL_compcv); |
1176 | |
1177 | newATTRSUB( |
1178 | sub_ix, |
fc634bba |
1179 | mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)), |
1180 | proto ? mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(proto)) : NULL, |
63915d26 |
1181 | NULL, |
1182 | NULL |
1183 | ); |
1184 | } |
1185 | |
c311cef3 |
1186 | if (builtin_attrs & MY_ATTR_LVALUE) { |
1187 | CvLVALUE_on(PL_compcv); |
db81d362 |
1188 | } |
c311cef3 |
1189 | if (builtin_attrs & MY_ATTR_METHOD) { |
1190 | CvMETHOD_on(PL_compcv); |
1191 | } |
1192 | if (builtin_attrs & MY_ATTR_SPECIAL) { |
1193 | CvSPECIAL_on(PL_compcv); |
db81d362 |
1194 | } |
1195 | |
e158cf8f |
1196 | /* check number of arguments */ |
1e0f1595 |
1197 | if (spec->flags & FLAG_CHECK_NARGS) { |
e158cf8f |
1198 | int amin, amax; |
abccbe86 |
1199 | |
e158cf8f |
1200 | amin = args_min(aTHX_ param_spec, spec); |
1201 | if (amin > 0) { |
67fc1ddb |
1202 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1203 | |
fc634bba |
1204 | err = mkconstsv(aTHX_ newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin)); |
1205 | err = newBINOP( |
1206 | OP_CONCAT, 0, |
1207 | err, |
1208 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1209 | ); |
1210 | err = newBINOP( |
1211 | OP_CONCAT, 0, |
1212 | err, |
1213 | mkconstpvs(")") |
1214 | ); |
63915d26 |
1215 | |
67fc1ddb |
1216 | xcroak = newCVREF(OPf_WANT_SCALAR, |
1217 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1218 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1219 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1220 | |
1e0f1595 |
1221 | cond = newBINOP(OP_LT, 0, |
5f50e017 |
1222 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1223 | mkconstiv(aTHX_ amin)); |
1e0f1595 |
1224 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1225 | |
1e0f1595 |
1226 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1227 | } |
abccbe86 |
1228 | |
e158cf8f |
1229 | amax = args_max(param_spec); |
1230 | if (amax >= 0) { |
67fc1ddb |
1231 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1232 | |
fc634bba |
1233 | err = mkconstsv(aTHX_ newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax)); |
1234 | err = newBINOP( |
1235 | OP_CONCAT, 0, |
1236 | err, |
1237 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1238 | ); |
1239 | err = newBINOP( |
1240 | OP_CONCAT, 0, |
1241 | err, |
1242 | mkconstpvs(")") |
1243 | ); |
63915d26 |
1244 | |
67fc1ddb |
1245 | xcroak = newCVREF( |
fc634bba |
1246 | OPf_WANT_SCALAR, |
1247 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1248 | ); |
1e0f1595 |
1249 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1250 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1251 | |
fc634bba |
1252 | cond = newBINOP( |
1253 | OP_GT, 0, |
1254 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1255 | mkconstiv(aTHX_ amax) |
1256 | ); |
1e0f1595 |
1257 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1258 | |
1e0f1595 |
1259 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1260 | } |
e158cf8f |
1261 | |
1262 | if (param_spec && (count_named_params(param_spec) || (param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'))) { |
67fc1ddb |
1263 | OP *chk, *cond, *err, *xcroak; |
e158cf8f |
1264 | const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name; |
63915d26 |
1265 | |
fc634bba |
1266 | err = mkconstsv(aTHX_ newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator))); |
63915d26 |
1267 | |
67fc1ddb |
1268 | xcroak = newCVREF( |
fc634bba |
1269 | OPf_WANT_SCALAR, |
1270 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1271 | ); |
1e0f1595 |
1272 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1273 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1274 | |
1e0f1595 |
1275 | cond = newBINOP(OP_GT, 0, |
5f50e017 |
1276 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1277 | mkconstiv(aTHX_ fixed)); |
e158cf8f |
1278 | cond = newLOGOP(OP_AND, 0, |
fc634bba |
1279 | cond, |
1280 | newBINOP(OP_MODULO, 0, |
1281 | fixed |
1282 | ? newBINOP(OP_SUBTRACT, 0, |
1283 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1284 | mkconstiv(aTHX_ fixed)) |
1285 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1286 | mkconstiv(aTHX_ 2))); |
1e0f1595 |
1287 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1288 | |
1e0f1595 |
1289 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
c311cef3 |
1290 | } |
1e0f1595 |
1291 | } |
c311cef3 |
1292 | |
e158cf8f |
1293 | if (!param_spec) { |
1294 | /* my $invocant = shift; */ |
1295 | if (SvTRUE(spec->shift)) { |
1296 | OP *var; |
abccbe86 |
1297 | |
e158cf8f |
1298 | var = my_var( |
1299 | aTHX_ |
1300 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1301 | pad_add_name_sv(spec->shift, 0, NULL, NULL) |
1302 | ); |
1303 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
c311cef3 |
1304 | |
e158cf8f |
1305 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1306 | } |
1307 | } else { |
1308 | /* my $invocant = shift; */ |
1309 | if (param_spec->invocant.name) { |
1310 | OP *var; |
c311cef3 |
1311 | |
e158cf8f |
1312 | var = my_var( |
1313 | aTHX_ |
1314 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1315 | param_spec->invocant.padoff |
1316 | ); |
1317 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
1e0f1595 |
1318 | |
e158cf8f |
1319 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
c311cef3 |
1320 | } |
1321 | |
e158cf8f |
1322 | /* my (...) = @_; */ |
1323 | { |
1324 | OP *lhs; |
1325 | size_t i, lim; |
63915d26 |
1326 | |
e158cf8f |
1327 | lhs = NULL; |
63915d26 |
1328 | |
e158cf8f |
1329 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1330 | OP *const var = my_var( |
1331 | aTHX_ |
1332 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1333 | param_spec->positional_required.data[i].padoff |
1334 | ); |
1335 | lhs = op_append_elem(OP_LIST, lhs, var); |
1336 | } |
63915d26 |
1337 | |
e158cf8f |
1338 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1339 | OP *const var = my_var( |
1340 | aTHX_ |
1341 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1342 | param_spec->positional_optional.data[i].param.padoff |
1343 | ); |
1344 | lhs = op_append_elem(OP_LIST, lhs, var); |
1345 | } |
63915d26 |
1346 | |
fc634bba |
1347 | { |
1348 | PADOFFSET padoff; |
1349 | I32 type; |
1350 | bool slurpy_hash; |
1351 | |
1352 | /* |
1353 | * cases: |
1354 | * 1) no named params |
1355 | * 1.1) slurpy |
1356 | * => put it in |
1357 | * 1.2) no slurpy |
1358 | * => nop |
1359 | * 2) named params |
1360 | * 2.1) no slurpy |
1361 | * => synthetic %{rest} |
1362 | * 2.2) slurpy is a hash |
1363 | * => put it in |
1364 | * 2.3) slurpy is an array |
1365 | * => synthetic %{rest} |
1366 | * remember to declare array later |
1367 | */ |
1368 | |
1369 | slurpy_hash = param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'; |
1370 | if (!count_named_params(param_spec)) { |
1371 | if (param_spec->slurpy.name) { |
1372 | padoff = param_spec->slurpy.padoff; |
1373 | type = slurpy_hash ? OP_PADHV : OP_PADAV; |
1374 | } else { |
1375 | padoff = NOT_IN_PAD; |
1376 | type = OP_PADSV; |
1377 | } |
1378 | } else if (slurpy_hash) { |
1379 | padoff = param_spec->slurpy.padoff; |
1380 | type = OP_PADHV; |
e158cf8f |
1381 | } else { |
fc634bba |
1382 | padoff = param_spec->rest_hash = pad_add_name_pvs("%{rest}", 0, NULL, NULL); |
1383 | type = OP_PADHV; |
1384 | } |
1385 | |
1386 | if (padoff != NOT_IN_PAD) { |
e158cf8f |
1387 | OP *const var = my_var_g( |
1388 | aTHX_ |
fc634bba |
1389 | type, |
e158cf8f |
1390 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
fc634bba |
1391 | padoff |
e158cf8f |
1392 | ); |
fc634bba |
1393 | |
e158cf8f |
1394 | lhs = op_append_elem(OP_LIST, lhs, var); |
fc634bba |
1395 | |
1396 | if (type == OP_PADHV) { |
1397 | param_spec->rest_hash = padoff; |
1398 | } |
e158cf8f |
1399 | } |
1400 | } |
63915d26 |
1401 | |
e158cf8f |
1402 | if (lhs) { |
1403 | OP *rhs; |
1404 | lhs->op_flags |= OPf_PARENS; |
1405 | rhs = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
1406 | |
1407 | *prelude_sentinel = op_append_list( |
1408 | OP_LINESEQ, *prelude_sentinel, |
1409 | newSTATEOP( |
1410 | 0, NULL, |
1411 | newASSIGNOP(OPf_STACKED, lhs, 0, rhs) |
1412 | ) |
1413 | ); |
1414 | } |
1415 | } |
63915d26 |
1416 | |
fc634bba |
1417 | /* default positional arguments */ |
e158cf8f |
1418 | { |
1419 | size_t i, lim, req; |
1420 | OP *nest; |
63915d26 |
1421 | |
e158cf8f |
1422 | nest = NULL; |
63915d26 |
1423 | |
e158cf8f |
1424 | req = param_spec->positional_required.used; |
1425 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1426 | ParamInit *cur = ¶m_spec->positional_optional.data[i]; |
1427 | OP *var, *cond; |
63915d26 |
1428 | |
e158cf8f |
1429 | cond = newBINOP( |
1430 | OP_LT, 0, |
1431 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1432 | mkconstiv(aTHX_ req + i + 1) |
e158cf8f |
1433 | ); |
63915d26 |
1434 | |
e158cf8f |
1435 | var = my_var(aTHX_ 0, cur->param.padoff); |
63915d26 |
1436 | |
e158cf8f |
1437 | nest = op_append_list( |
1438 | OP_LINESEQ, nest, |
1439 | newASSIGNOP(OPf_STACKED, var, 0, cur->init) |
1440 | ); |
1441 | cur->init = NULL; |
1442 | nest = newCONDOP( |
1443 | 0, |
1444 | cond, |
1445 | nest, |
1446 | NULL |
1447 | ); |
1448 | } |
1e0f1595 |
1449 | |
e158cf8f |
1450 | *prelude_sentinel = op_append_list( |
1451 | OP_LINESEQ, *prelude_sentinel, |
1452 | nest |
1453 | ); |
c311cef3 |
1454 | } |
1455 | |
e158cf8f |
1456 | /* named parameters */ |
1457 | if (count_named_params(param_spec)) { |
fc634bba |
1458 | size_t i, lim; |
1459 | |
1460 | assert(param_spec->rest_hash != NOT_IN_PAD); |
1461 | |
1462 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1463 | Param *cur = ¶m_spec->named_required.data[i]; |
1464 | size_t n; |
1465 | char *p = SvPV(cur->name, n); |
1466 | OP *var, *cond; |
1467 | |
1468 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1469 | |
1470 | if (spec->flags & FLAG_CHECK_NARGS) { |
67fc1ddb |
1471 | OP *xcroak, *msg; |
fc634bba |
1472 | |
1473 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1474 | var = newUNOP(OP_DELETE, 0, var); |
1475 | |
1476 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": missing named parameter: %.*s", SVfARG(declarator), (int)(n - 1), p + 1)); |
67fc1ddb |
1477 | xcroak = newCVREF( |
fc634bba |
1478 | OPf_WANT_SCALAR, |
1479 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1480 | ); |
67fc1ddb |
1481 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1482 | |
1483 | cond = newUNOP(OP_EXISTS, 0, cond); |
1484 | |
67fc1ddb |
1485 | cond = newCONDOP(0, cond, var, xcroak); |
fc634bba |
1486 | } |
1487 | |
1488 | var = my_var( |
1489 | aTHX_ |
1490 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1491 | cur->padoff |
1492 | ); |
1493 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1494 | |
1495 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1496 | } |
1497 | |
1498 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1499 | ParamInit *cur = ¶m_spec->named_optional.data[i]; |
1500 | size_t n; |
1501 | char *p = SvPV(cur->param.name, n); |
1502 | OP *var, *cond; |
1503 | |
1504 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1505 | var = newUNOP(OP_DELETE, 0, var); |
1506 | |
1507 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1508 | cond = newUNOP(OP_EXISTS, 0, cond); |
1509 | |
1510 | cond = newCONDOP(0, cond, var, cur->init); |
1511 | cur->init = NULL; |
1512 | |
1513 | var = my_var( |
1514 | aTHX_ |
1515 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1516 | cur->param.padoff |
1517 | ); |
1518 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1519 | |
1520 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1521 | } |
1522 | |
1523 | if (!param_spec->slurpy.name) { |
1524 | if (spec->flags & FLAG_CHECK_NARGS) { |
1525 | /* croak if %{rest} */ |
67fc1ddb |
1526 | OP *xcroak, *cond, *keys, *msg; |
fc634bba |
1527 | |
1528 | keys = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1529 | keys = newLISTOP(OP_SORT, 0, newOP(OP_PUSHMARK, 0), keys); |
1530 | { |
1531 | OP *first, *mid, *last; |
1532 | |
1533 | last = keys; |
1534 | |
1535 | mid = mkconstpvs(", "); |
1536 | mid->op_sibling = last; |
1537 | |
1538 | first = newOP(OP_PUSHMARK, 0); |
1539 | |
1540 | keys = newLISTOP(OP_JOIN, 0, first, mid); |
1541 | keys->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP); |
1542 | ((LISTOP *)keys)->op_last = last; |
1543 | } |
1544 | |
1545 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator))); |
1546 | msg = newBINOP(OP_CONCAT, 0, msg, keys); |
1547 | |
67fc1ddb |
1548 | xcroak = newCVREF( |
fc634bba |
1549 | OPf_WANT_SCALAR, |
1550 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1551 | ); |
67fc1ddb |
1552 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1553 | |
1554 | cond = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
67fc1ddb |
1555 | xcroak = newCONDOP(0, cond, xcroak, NULL); |
fc634bba |
1556 | |
67fc1ddb |
1557 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, xcroak)); |
fc634bba |
1558 | } else { |
1559 | OP *clear; |
1560 | |
1561 | clear = newASSIGNOP( |
1562 | OPf_STACKED, |
1563 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1564 | 0, |
1565 | newNULLLIST() |
1566 | ); |
1567 | |
1568 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear)); |
1569 | } |
1570 | } else if (param_spec->slurpy.padoff != param_spec->rest_hash) { |
1571 | OP *var, *clear; |
1572 | |
1573 | assert(SvPV_nolen(param_spec->slurpy.name)[0] == '@'); |
1574 | |
1575 | var = my_var_g( |
1576 | aTHX_ |
1577 | OP_PADAV, |
1578 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1579 | param_spec->slurpy.padoff |
1580 | ); |
1581 | |
1582 | var = newASSIGNOP(OPf_STACKED, var, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1583 | |
1584 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1585 | |
1586 | clear = newASSIGNOP( |
1587 | OPf_STACKED, |
1588 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1589 | 0, |
1590 | newNULLLIST() |
1591 | ); |
1592 | |
1593 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear)); |
1594 | } |
1595 | } |
1e0f1595 |
1596 | } |
c311cef3 |
1597 | |
1e0f1595 |
1598 | /* finally let perl parse the actual subroutine body */ |
1599 | body = parse_block(0); |
c311cef3 |
1600 | |
1e0f1595 |
1601 | /* add '();' to make function return nothing by default */ |
1602 | /* (otherwise the invisible parameter initialization can "leak" into |
1603 | the return value: fun ($x) {}->("asdf", 0) == 2) */ |
1604 | if (*prelude_sentinel) { |
1605 | body = newSTATEOP(0, NULL, body); |
db81d362 |
1606 | } |
1607 | |
1e0f1595 |
1608 | body = op_append_list(OP_LINESEQ, *prelude_sentinel, body); |
1609 | *prelude_sentinel = NULL; |
1610 | |
c311cef3 |
1611 | /* it's go time. */ |
1612 | { |
53c979f0 |
1613 | CV *cv; |
c311cef3 |
1614 | OP *const attrs = *attrs_sentinel; |
1615 | *attrs_sentinel = NULL; |
53c979f0 |
1616 | |
c311cef3 |
1617 | SvREFCNT_inc_simple_void(PL_compcv); |
1618 | |
63915d26 |
1619 | /* close outer block: '}' */ |
1620 | S_block_end(aTHX_ save_ix, body); |
1621 | |
53c979f0 |
1622 | cv = newATTRSUB( |
c311cef3 |
1623 | floor_ix, |
53c979f0 |
1624 | saw_name ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)) : NULL, |
c311cef3 |
1625 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1626 | attrs, |
1627 | body |
1628 | ); |
53c979f0 |
1629 | |
1630 | register_info(aTHX_ PTR2UV(CvROOT(cv)), declarator, spec, param_spec); |
1631 | |
1632 | if (saw_name) { |
1633 | *pop = newOP(OP_NULL, 0); |
1634 | return KEYWORD_PLUGIN_STMT; |
1635 | } |
1636 | |
1637 | *pop = newUNOP( |
1638 | OP_REFGEN, 0, |
1639 | newSVOP( |
1640 | OP_ANONCODE, 0, |
1641 | (SV *)cv |
1642 | ) |
1643 | ); |
1644 | return KEYWORD_PLUGIN_EXPR; |
db81d362 |
1645 | } |
db81d362 |
1646 | } |
1647 | |
1648 | static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) { |
63915d26 |
1649 | KWSpec spec; |
db81d362 |
1650 | int ret; |
e4648f19 |
1651 | Sentinel sen = { NULL }; |
db81d362 |
1652 | |
e4648f19 |
1653 | ENTER; |
db81d362 |
1654 | SAVETMPS; |
1655 | |
e4648f19 |
1656 | SAVEDESTRUCTOR_X(sentinel_clear_void, sen); |
1657 | |
1658 | if (kw_flags(aTHX_ sen, keyword_ptr, keyword_len, &spec)) { |
1659 | ret = parse_fun(aTHX_ sen, op_ptr, keyword_ptr, keyword_len, &spec); |
db81d362 |
1660 | } else { |
7dd35535 |
1661 | ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr); |
db81d362 |
1662 | } |
1663 | |
1664 | FREETMPS; |
e4648f19 |
1665 | LEAVE; |
db81d362 |
1666 | |
1667 | return ret; |
1668 | } |
1669 | |
1670 | WARNINGS_RESET |
1671 | |
53c979f0 |
1672 | MODULE = Function::Parameters PACKAGE = Function::Parameters PREFIX = fp_ |
db81d362 |
1673 | PROTOTYPES: ENABLE |
1674 | |
53c979f0 |
1675 | UV |
1676 | fp__cv_root(sv) |
1677 | SV * sv |
1678 | PREINIT: |
79bce2d4 |
1679 | CV *xcv; |
53c979f0 |
1680 | HV *hv; |
1681 | GV *gv; |
1682 | CODE: |
79bce2d4 |
1683 | xcv = sv_2cv(sv, &hv, &gv, 0); |
1684 | RETVAL = PTR2UV(xcv ? CvROOT(xcv) : NULL); |
53c979f0 |
1685 | OUTPUT: |
1686 | RETVAL |
1687 | |
db81d362 |
1688 | BOOT: |
1689 | WARNINGS_ENABLE { |
1690 | HV *const stash = gv_stashpvs(MY_PKG, GV_ADD); |
426a4d69 |
1691 | /**/ |
d8e5d540 |
1692 | newCONSTSUB(stash, "FLAG_NAME_OK", newSViv(FLAG_NAME_OK)); |
1693 | newCONSTSUB(stash, "FLAG_ANON_OK", newSViv(FLAG_ANON_OK)); |
63915d26 |
1694 | newCONSTSUB(stash, "FLAG_DEFAULT_ARGS", newSViv(FLAG_DEFAULT_ARGS)); |
d8e5d540 |
1695 | newCONSTSUB(stash, "FLAG_CHECK_NARGS", newSViv(FLAG_CHECK_NARGS)); |
1696 | newCONSTSUB(stash, "FLAG_INVOCANT", newSViv(FLAG_INVOCANT)); |
e158cf8f |
1697 | newCONSTSUB(stash, "FLAG_NAMED_PARAMS", newSViv(FLAG_NAMED_PARAMS)); |
db81d362 |
1698 | newCONSTSUB(stash, "HINTK_KEYWORDS", newSVpvs(HINTK_KEYWORDS)); |
d8e5d540 |
1699 | newCONSTSUB(stash, "HINTK_FLAGS_", newSVpvs(HINTK_FLAGS_)); |
1700 | newCONSTSUB(stash, "HINTK_SHIFT_", newSVpvs(HINTK_SHIFT_)); |
1701 | newCONSTSUB(stash, "HINTK_ATTRS_", newSVpvs(HINTK_ATTRS_)); |
426a4d69 |
1702 | /**/ |
db81d362 |
1703 | next_keyword_plugin = PL_keyword_plugin; |
1704 | PL_keyword_plugin = my_keyword_plugin; |
1705 | } WARNINGS_RESET |