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 | |
63915d26 |
91 | enum { |
92 | FLAG_NAME_OK = 0x01, |
93 | FLAG_ANON_OK = 0x02, |
94 | FLAG_DEFAULT_ARGS = 0x04, |
d8e5d540 |
95 | FLAG_CHECK_NARGS = 0x08, |
e158cf8f |
96 | FLAG_INVOCANT = 0x10, |
97 | FLAG_NAMED_PARAMS = 0x20 |
63915d26 |
98 | }; |
99 | |
100 | DEFSTRUCT(KWSpec) { |
101 | unsigned flags; |
b72eb6ee |
102 | SV *shift; |
103 | SV *attrs; |
63915d26 |
104 | }; |
db81d362 |
105 | |
106 | static int (*next_keyword_plugin)(pTHX_ char *, STRLEN, OP **); |
107 | |
63915d26 |
108 | static int kw_flags(pTHX_ const char *kw_ptr, STRLEN kw_len, KWSpec *spec) { |
db81d362 |
109 | HV *hints; |
110 | SV *sv, **psv; |
111 | const char *p, *kw_active; |
112 | STRLEN kw_active_len; |
113 | |
63915d26 |
114 | spec->flags = 0; |
b72eb6ee |
115 | spec->shift = sv_2mortal(newSVpvs("")); |
116 | spec->attrs = sv_2mortal(newSVpvs("")); |
db81d362 |
117 | |
118 | if (!(hints = GvHV(PL_hintgv))) { |
119 | return FALSE; |
120 | } |
121 | if (!(psv = hv_fetchs(hints, HINTK_KEYWORDS, 0))) { |
122 | return FALSE; |
123 | } |
124 | sv = *psv; |
125 | kw_active = SvPV(sv, kw_active_len); |
126 | if (kw_active_len <= kw_len) { |
127 | return FALSE; |
128 | } |
e88490f6 |
129 | for ( |
130 | p = kw_active; |
131 | (p = strchr(p, *kw_ptr)) && |
132 | p < kw_active + kw_active_len - kw_len; |
133 | p++ |
134 | ) { |
db81d362 |
135 | if ( |
136 | (p == kw_active || p[-1] == ' ') && |
137 | p[kw_len] == ' ' && |
138 | memcmp(kw_ptr, p, kw_len) == 0 |
139 | ) { |
b72eb6ee |
140 | |
d970c3e7 |
141 | #define FETCH_HINTK_INTO(NAME, PTR, LEN, X) STMT_START { \ |
b72eb6ee |
142 | const char *fk_ptr_; \ |
143 | STRLEN fk_len_; \ |
144 | SV *fk_sv_; \ |
145 | fk_sv_ = sv_2mortal(newSVpvs(HINTK_ ## NAME)); \ |
146 | sv_catpvn(fk_sv_, PTR, LEN); \ |
147 | fk_ptr_ = SvPV(fk_sv_, fk_len_); \ |
148 | if (!((X) = hv_fetch(hints, fk_ptr_, fk_len_, 0))) { \ |
149 | croak("%s: internal error: $^H{'%.*s'} not set", MY_PKG, (int)fk_len_, fk_ptr_); \ |
150 | } \ |
d970c3e7 |
151 | } STMT_END |
b72eb6ee |
152 | |
63915d26 |
153 | FETCH_HINTK_INTO(FLAGS_, kw_ptr, kw_len, psv); |
154 | spec->flags = SvIV(*psv); |
db81d362 |
155 | |
b72eb6ee |
156 | FETCH_HINTK_INTO(SHIFT_, kw_ptr, kw_len, psv); |
157 | SvSetSV(spec->shift, *psv); |
db81d362 |
158 | |
b72eb6ee |
159 | FETCH_HINTK_INTO(ATTRS_, kw_ptr, kw_len, psv); |
160 | SvSetSV(spec->attrs, *psv); |
161 | |
162 | #undef FETCH_HINTK_INTO |
db81d362 |
163 | return TRUE; |
164 | } |
165 | } |
166 | return FALSE; |
167 | } |
168 | |
169 | |
311ced6f |
170 | static void free_ptr_op(pTHX_ void *vp) { |
c311cef3 |
171 | OP **pp = vp; |
172 | op_free(*pp); |
173 | Safefree(pp); |
174 | } |
175 | |
59016bfb |
176 | #define sv_eq_pvs(SV, S) my_sv_eq_pvn(aTHX_ SV, "" S "", sizeof (S) - 1) |
c311cef3 |
177 | |
59016bfb |
178 | static int my_sv_eq_pvn(pTHX_ SV *sv, const char *p, STRLEN n) { |
c311cef3 |
179 | STRLEN sv_len; |
180 | const char *sv_p = SvPV(sv, sv_len); |
59016bfb |
181 | return memcmp(sv_p, p, n) == 0; |
c311cef3 |
182 | } |
183 | |
184 | |
185 | #include "padop_on_crack.c.inc" |
186 | |
187 | |
c311cef3 |
188 | enum { |
189 | MY_ATTR_LVALUE = 0x01, |
190 | MY_ATTR_METHOD = 0x02, |
191 | MY_ATTR_SPECIAL = 0x04 |
192 | }; |
193 | |
31534187 |
194 | static void my_sv_cat_c(pTHX_ SV *sv, U32 c) { |
195 | char ds[UTF8_MAXBYTES + 1], *d; |
196 | d = uvchr_to_utf8(ds, c); |
197 | if (d - ds > 1) { |
198 | sv_utf8_upgrade(sv); |
199 | } |
200 | sv_catpvn(sv, ds, d - ds); |
201 | } |
202 | |
203 | static bool my_is_uni_xidfirst(pTHX_ UV c) { |
204 | U8 tmpbuf[UTF8_MAXBYTES + 1]; |
205 | uvchr_to_utf8(tmpbuf, c); |
206 | return is_utf8_xidfirst(tmpbuf); |
207 | } |
208 | |
209 | static bool my_is_uni_xidcont(pTHX_ UV c) { |
210 | U8 tmpbuf[UTF8_MAXBYTES + 1]; |
211 | uvchr_to_utf8(tmpbuf, c); |
212 | return is_utf8_xidcont(tmpbuf); |
213 | } |
214 | |
215 | static SV *my_scan_word(pTHX_ bool allow_package) { |
216 | bool at_start, at_substart; |
217 | I32 c; |
218 | SV *sv = sv_2mortal(newSVpvs("")); |
219 | if (lex_bufutf8()) { |
220 | SvUTF8_on(sv); |
221 | } |
222 | |
223 | at_start = at_substart = TRUE; |
224 | c = lex_peek_unichar(0); |
225 | |
226 | while (c != -1) { |
227 | if (at_substart ? my_is_uni_xidfirst(aTHX_ c) : my_is_uni_xidcont(aTHX_ c)) { |
228 | lex_read_unichar(0); |
229 | my_sv_cat_c(aTHX_ sv, c); |
230 | at_substart = FALSE; |
231 | c = lex_peek_unichar(0); |
232 | } else if (allow_package && !at_substart && c == '\'') { |
233 | lex_read_unichar(0); |
234 | c = lex_peek_unichar(0); |
235 | if (!my_is_uni_xidfirst(aTHX_ c)) { |
236 | lex_stuff_pvs("'", 0); |
237 | break; |
238 | } |
239 | sv_catpvs(sv, "'"); |
240 | at_substart = TRUE; |
241 | } else if (allow_package && (at_start || !at_substart) && c == ':') { |
242 | lex_read_unichar(0); |
243 | if (lex_peek_unichar(0) != ':') { |
244 | lex_stuff_pvs(":", 0); |
245 | break; |
246 | } |
247 | lex_read_unichar(0); |
248 | c = lex_peek_unichar(0); |
249 | if (!my_is_uni_xidfirst(aTHX_ c)) { |
250 | lex_stuff_pvs("::", 0); |
251 | break; |
252 | } |
253 | sv_catpvs(sv, "::"); |
254 | at_substart = TRUE; |
255 | } else { |
256 | break; |
257 | } |
258 | at_start = FALSE; |
259 | } |
260 | |
261 | return SvCUR(sv) ? sv : NULL; |
262 | } |
263 | |
264 | static SV *my_scan_parens_tail(pTHX_ bool keep_backslash) { |
265 | I32 c, nesting; |
266 | SV *sv; |
267 | line_t start; |
268 | |
269 | start = CopLINE(PL_curcop); |
270 | |
271 | sv = sv_2mortal(newSVpvs("")); |
272 | if (lex_bufutf8()) { |
273 | SvUTF8_on(sv); |
274 | } |
275 | |
276 | nesting = 0; |
277 | for (;;) { |
278 | c = lex_read_unichar(0); |
279 | if (c == EOF) { |
280 | CopLINE_set(PL_curcop, start); |
281 | return NULL; |
282 | } |
283 | |
284 | if (c == '\\') { |
285 | c = lex_read_unichar(0); |
286 | if (c == EOF) { |
287 | CopLINE_set(PL_curcop, start); |
288 | return NULL; |
289 | } |
290 | if (keep_backslash || (c != '(' && c != ')')) { |
291 | sv_catpvs(sv, "\\"); |
292 | } |
293 | } else if (c == '(') { |
294 | nesting++; |
295 | } else if (c == ')') { |
296 | if (!nesting) { |
297 | break; |
298 | } |
299 | nesting--; |
300 | } |
301 | |
302 | my_sv_cat_c(aTHX_ sv, c); |
303 | } |
304 | |
305 | return sv; |
306 | } |
307 | |
308 | static void my_check_prototype(pTHX_ const SV *declarator, SV *proto) { |
309 | char *start, *r, *w, *end; |
310 | STRLEN len; |
311 | |
312 | /* strip spaces */ |
313 | start = SvPV(proto, len); |
314 | end = start + len; |
315 | |
316 | for (w = r = start; r < end; r++) { |
317 | if (!isSPACE(*r)) { |
318 | *w++ = *r; |
319 | } |
320 | } |
321 | *w = '\0'; |
322 | SvCUR_set(proto, w - start); |
323 | end = w; |
324 | len = end - start; |
325 | |
326 | if (!ckWARN(WARN_ILLEGALPROTO)) { |
327 | return; |
328 | } |
329 | |
330 | /* check for bad characters */ |
331 | if (strspn(start, "$@%*;[]&\\_+") != len) { |
332 | SV *dsv = newSVpvs_flags("", SVs_TEMP); |
333 | warner( |
334 | packWARN(WARN_ILLEGALPROTO), |
335 | "Illegal character in prototype for %"SVf" : %s", |
336 | SVfARG(declarator), |
337 | SvUTF8(proto) |
338 | ? sv_uni_display( |
339 | dsv, |
340 | proto, |
341 | len, |
342 | UNI_DISPLAY_ISPRINT |
343 | ) |
344 | : pv_pretty(dsv, start, len, 60, NULL, NULL, |
345 | PERL_PV_ESCAPE_NONASCII |
346 | ) |
347 | ); |
348 | return; |
349 | } |
350 | |
351 | for (r = start; r < end; r++) { |
352 | switch (*r) { |
353 | default: |
354 | warner( |
355 | packWARN(WARN_ILLEGALPROTO), |
356 | "Illegal character in prototype for %"SVf" : %s", |
357 | SVfARG(declarator), r |
358 | ); |
359 | return; |
360 | |
361 | case '_': |
362 | if (r[1] && !strchr(";@%", *r)) { |
363 | warner( |
364 | packWARN(WARN_ILLEGALPROTO), |
365 | "Illegal character after '_' in prototype for %"SVf" : %s", |
366 | SVfARG(declarator), r |
367 | ); |
368 | return; |
369 | } |
370 | break; |
371 | |
372 | case '@': |
373 | case '%': |
374 | if (r[1]) { |
375 | warner( |
376 | packWARN(WARN_ILLEGALPROTO), |
377 | "prototype after '%c' for %"SVf": %s", |
378 | *r, SVfARG(declarator), r + 1 |
379 | ); |
380 | return; |
381 | } |
382 | break; |
383 | |
384 | case '\\': |
385 | r++; |
386 | if (strchr("$@%&*", *r)) { |
387 | break; |
388 | } |
389 | if (*r == '[') { |
390 | r++; |
391 | for (; r < end && *r != ']'; r++) { |
392 | if (!strchr("$@%&*", *r)) { |
393 | break; |
394 | } |
395 | } |
396 | if (*r == ']' && r[-1] != '[') { |
397 | break; |
398 | } |
399 | } |
400 | warner( |
401 | packWARN(WARN_ILLEGALPROTO), |
402 | "Illegal character after '\\' in prototype for %"SVf" : %s", |
403 | SVfARG(declarator), r |
404 | ); |
405 | return; |
406 | |
407 | case '$': |
408 | case '*': |
409 | case '&': |
410 | case ';': |
411 | case '+': |
412 | break; |
413 | } |
414 | } |
415 | } |
416 | |
e158cf8f |
417 | |
418 | DEFSTRUCT(Param) { |
419 | SV *name; |
420 | PADOFFSET padoff; |
421 | }; |
422 | |
423 | DEFSTRUCT(ParamInit) { |
424 | Param param; |
425 | OP *init; |
426 | }; |
427 | |
428 | #define VEC(B) B ## _Vec |
429 | |
430 | #define DEFVECTOR(B) DEFSTRUCT(VEC(B)) { \ |
431 | B (*data); \ |
432 | size_t used, size; \ |
433 | } |
434 | |
435 | DEFVECTOR(Param); |
436 | DEFVECTOR(ParamInit); |
437 | |
438 | #define DEFVECTOR_INIT(N, B) static void N(VEC(B) *p) { \ |
439 | p->used = 0; \ |
440 | p->size = 23; \ |
441 | Newx(p->data, p->size, B); \ |
442 | } static void N(VEC(B) *) |
443 | |
444 | DEFSTRUCT(ParamSpec) { |
445 | Param invocant; |
446 | VEC(Param) positional_required; |
447 | VEC(ParamInit) positional_optional; |
448 | VEC(Param) named_required; |
449 | VEC(ParamInit) named_optional; |
450 | Param slurpy; |
451 | }; |
452 | |
453 | DEFVECTOR_INIT(pv_init, Param); |
454 | DEFVECTOR_INIT(piv_init, ParamInit); |
455 | |
456 | static void p_init(Param *p) { |
457 | p->name = NULL; |
458 | p->padoff = NOT_IN_PAD; |
459 | } |
460 | |
461 | static void ps_init(ParamSpec *ps) { |
462 | p_init(&ps->invocant); |
463 | pv_init(&ps->positional_required); |
464 | piv_init(&ps->positional_optional); |
465 | pv_init(&ps->named_required); |
466 | piv_init(&ps->named_optional); |
467 | p_init(&ps->slurpy); |
468 | } |
469 | |
470 | #define DEFVECTOR_EXTEND(N, B) static B (*N(VEC(B) *p)) { \ |
471 | assert(p->used <= p->size); \ |
472 | if (p->used == p->size) { \ |
473 | const size_t n = p->size / 2 * 3 + 1; \ |
474 | Renew(p->data, n, B); \ |
475 | p->size = n; \ |
476 | } \ |
477 | return &p->data[p->used]; \ |
478 | } static B (*N(VEC(B) *)) |
479 | |
480 | DEFVECTOR_EXTEND(pv_extend, Param); |
481 | DEFVECTOR_EXTEND(piv_extend, ParamInit); |
482 | |
483 | #define DEFVECTOR_CLEAR(N, B, F) static void N(pTHX_ VEC(B) *p) { \ |
484 | while (p->used) { \ |
485 | p->used--; \ |
486 | F(aTHX_ &p->data[p->used]); \ |
487 | } \ |
488 | Safefree(p->data); \ |
489 | p->data = NULL; \ |
490 | p->size = 0; \ |
491 | } static void N(pTHX_ VEC(B) *) |
492 | |
493 | static void p_clear(pTHX_ Param *p) { |
494 | p->name = NULL; |
495 | p->padoff = NOT_IN_PAD; |
496 | } |
497 | |
498 | static void pi_clear(pTHX_ ParamInit *pi) { |
499 | p_clear(aTHX_ &pi->param); |
500 | if (pi->init) { |
501 | op_free(pi->init); |
502 | pi->init = NULL; |
503 | } |
504 | } |
505 | |
506 | DEFVECTOR_CLEAR(pv_clear, Param, p_clear); |
507 | DEFVECTOR_CLEAR(piv_clear, ParamInit, pi_clear); |
508 | |
509 | static void ps_clear(pTHX_ ParamSpec *ps) { |
510 | p_clear(aTHX_ &ps->invocant); |
511 | |
512 | pv_clear(aTHX_ &ps->positional_required); |
513 | piv_clear(aTHX_ &ps->positional_optional); |
514 | |
515 | pv_clear(aTHX_ &ps->named_required); |
516 | piv_clear(aTHX_ &ps->named_optional); |
517 | |
518 | p_clear(aTHX_ &ps->slurpy); |
519 | } |
520 | |
521 | static int ps_contains(pTHX_ const ParamSpec *ps, SV *sv) { |
522 | size_t i, lim; |
523 | |
524 | if (ps->invocant.name && sv_eq(sv, ps->invocant.name)) { |
525 | return 1; |
526 | } |
527 | |
528 | for (i = 0, lim = ps->positional_required.used; i < lim; i++) { |
529 | if (sv_eq(sv, ps->positional_required.data[i].name)) { |
530 | return 1; |
531 | } |
532 | } |
533 | |
534 | for (i = 0, lim = ps->positional_optional.used; i < lim; i++) { |
535 | if (sv_eq(sv, ps->positional_optional.data[i].param.name)) { |
536 | return 1; |
537 | } |
538 | } |
539 | |
540 | for (i = 0, lim = ps->named_required.used; i < lim; i++) { |
541 | if (sv_eq(sv, ps->named_required.data[i].name)) { |
542 | return 1; |
543 | } |
544 | } |
545 | |
546 | for (i = 0, lim = ps->named_optional.used; i < lim; i++) { |
547 | if (sv_eq(sv, ps->named_optional.data[i].param.name)) { |
548 | return 1; |
549 | } |
550 | } |
551 | |
552 | return 0; |
553 | } |
554 | |
555 | static void ps_free_void(pTHX_ void *p) { |
556 | ps_clear(aTHX_ p); |
557 | Safefree(p); |
558 | } |
559 | |
560 | static int args_min(pTHX_ const ParamSpec *ps, const KWSpec *ks) { |
561 | int n = 0; |
562 | if (!ps) { |
563 | return SvTRUE(ks->shift) ? 1 : 0; |
564 | } |
565 | if (ps->invocant.name) { |
566 | n++; |
567 | } |
568 | n += ps->positional_required.used; |
569 | n += ps->named_required.used * 2; |
570 | return n; |
571 | } |
572 | |
573 | static int args_max(const ParamSpec *ps) { |
574 | int n = 0; |
575 | if (!ps) { |
576 | return -1; |
577 | } |
578 | if (ps->invocant.name) { |
579 | n++; |
580 | } |
581 | n += ps->positional_required.used; |
582 | n += ps->positional_optional.used; |
583 | if (ps->named_required.used || ps->named_optional.used || ps->slurpy.name) { |
584 | n = -1; |
585 | } |
586 | return n; |
587 | } |
588 | |
589 | static size_t count_positional_params(const ParamSpec *ps) { |
590 | return ps->positional_required.used + ps->positional_optional.used; |
591 | } |
592 | |
593 | static size_t count_named_params(const ParamSpec *ps) { |
594 | return ps->named_required.used + ps->named_optional.used; |
595 | } |
596 | |
597 | enum { |
598 | PARAM_INVOCANT = 0x01, |
599 | PARAM_NAMED = 0x02 |
600 | }; |
601 | |
602 | /* *pinit must be NULL on entry. |
603 | * caller must free *pinit on error. |
604 | */ |
605 | static PADOFFSET parse_param( |
606 | pTHX_ |
607 | const SV *declarator, const KWSpec *spec, ParamSpec *param_spec, |
608 | int *pflags, SV **pname, OP **pinit |
609 | ) { |
610 | I32 c; |
611 | char sigil; |
612 | SV *name; |
613 | |
614 | assert(!*pinit); |
615 | *pflags = 0; |
616 | |
617 | c = lex_peek_unichar(0); |
618 | |
619 | if (c == ':') { |
620 | lex_read_unichar(0); |
621 | lex_read_space(0); |
622 | |
623 | *pflags |= PARAM_NAMED; |
624 | |
625 | c = lex_peek_unichar(0); |
626 | } |
627 | |
628 | if (c == -1) { |
629 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
630 | } |
631 | if (!(c == '$' || c == '@' || c == '%')) { |
632 | croak("In %"SVf": unexpected '%c' in parameter list (expecting a sigil)", SVfARG(declarator), (int)c); |
633 | } |
634 | |
635 | sigil = c; |
636 | |
637 | lex_read_unichar(0); |
638 | lex_read_space(0); |
639 | |
640 | if (!(name = my_scan_word(aTHX_ FALSE))) { |
641 | croak("In %"SVf": missing identifier after '%c'", SVfARG(declarator), sigil); |
642 | } |
643 | sv_insert(name, 0, 0, &sigil, 1); |
644 | *pname = name; |
645 | |
646 | lex_read_space(0); |
647 | c = lex_peek_unichar(0); |
648 | |
649 | if (c == '=') { |
650 | lex_read_unichar(0); |
651 | lex_read_space(0); |
652 | |
653 | |
654 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
655 | param_spec->invocant.name = spec->shift; |
656 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
657 | } |
658 | |
659 | *pinit = parse_termexpr(0); |
660 | |
661 | lex_read_space(0); |
662 | c = lex_peek_unichar(0); |
663 | } |
664 | |
665 | if (c == ':') { |
666 | *pflags |= PARAM_INVOCANT; |
667 | lex_read_unichar(0); |
668 | lex_read_space(0); |
669 | } else if (c == ',') { |
670 | lex_read_unichar(0); |
671 | lex_read_space(0); |
672 | } else if (c != ')') { |
673 | if (c == -1) { |
674 | croak("In %"SVf": unterminated parameter list", SVfARG(declarator)); |
675 | } |
676 | croak("In %"SVf": unexpected '%c' in parameter list (expecting ',')", SVfARG(declarator), (int)c); |
677 | } |
678 | |
679 | return pad_add_name_sv(*pname, IF_HAVE_PERL_5_16(padadd_NO_DUP_CHECK, 0), NULL, NULL); |
680 | } |
681 | |
682 | static OP *my_var_g(pTHX_ I32 type, I32 flags, PADOFFSET padoff) { |
683 | OP *var = newOP(type, flags); |
684 | var->op_targ = padoff; |
685 | return var; |
686 | } |
687 | |
688 | static OP *my_var(pTHX_ I32 flags, PADOFFSET padoff) { |
689 | return my_var_g(aTHX_ OP_PADSV, flags, padoff); |
690 | } |
691 | |
692 | static SV *mkbits1(pTHX_ size_t n) { |
693 | size_t bytes = n / 8, bits = n % 8; |
694 | SV *sv = newSV(bytes + !!bits); |
695 | char *p = SvPVX(sv), *q = p; |
696 | while (bytes--) { |
697 | *p++ = '\xff'; |
698 | } |
699 | if (bits) { |
700 | *p++ = (1u << bits) - 1; |
701 | } |
702 | *p = '\0'; |
703 | SvCUR_set(sv, p - q); |
704 | SvPOK_on(sv); |
705 | return sv; |
706 | } |
707 | |
708 | static OP *mkvecbits(pTHX_ PADOFFSET padoff, size_t i) { |
709 | OP *first, *mid, *last, *vec; |
710 | |
711 | last = newSVOP(OP_CONST, 0, newSViv(1)); |
712 | first = last; |
713 | |
714 | mid = newSVOP(OP_CONST, 0, newSViv(i)); |
715 | mid->op_sibling = first; |
716 | first = mid; |
717 | |
718 | mid = my_var(aTHX_ 0, padoff); |
719 | mid->op_sibling = first; |
720 | |
721 | first = newOP(OP_PUSHMARK, 0); |
722 | |
723 | vec = newLISTOP(OP_VEC, 0, first, mid); |
724 | vec->op_targ = pad_alloc(OP_VEC, SVs_PADTMP); |
725 | ((LISTOP *)vec)->op_last = last; |
726 | op_null(((LISTOP *)vec)->op_first); |
727 | |
728 | return vec; |
729 | } |
730 | |
731 | static OP *mkargselem(pTHX_ OP *index) { |
732 | OP *args = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
733 | args->op_flags |= OPf_REF; |
734 | |
735 | return newBINOP(OP_AELEM, 0, args, index); |
736 | } |
737 | |
738 | static OP *mkargselemv(pTHX_ PADOFFSET v) { |
739 | return mkargselem(aTHX_ my_var(aTHX_ 0, v)); |
740 | } |
741 | |
63915d26 |
742 | static int parse_fun(pTHX_ OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) { |
e158cf8f |
743 | ParamSpec *param_spec; |
c311cef3 |
744 | SV *declarator; |
745 | I32 floor_ix; |
63915d26 |
746 | int save_ix; |
c311cef3 |
747 | SV *saw_name; |
1e0f1595 |
748 | OP **prelude_sentinel; |
c311cef3 |
749 | SV *proto; |
750 | OP **attrs_sentinel, *body; |
751 | unsigned builtin_attrs; |
db81d362 |
752 | I32 c; |
753 | |
db81d362 |
754 | declarator = sv_2mortal(newSVpvn(keyword_ptr, keyword_len)); |
db81d362 |
755 | |
db81d362 |
756 | lex_read_space(0); |
757 | |
c311cef3 |
758 | builtin_attrs = 0; |
759 | |
db81d362 |
760 | /* function name */ |
c311cef3 |
761 | saw_name = NULL; |
31534187 |
762 | if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ TRUE))) { |
c311cef3 |
763 | |
764 | if (PL_parser->expect != XSTATE) { |
765 | /* bail out early so we don't predeclare $saw_name */ |
766 | croak("In %"SVf": I was expecting a function body, not \"%"SVf"\"", SVfARG(declarator), SVfARG(saw_name)); |
767 | } |
768 | |
db81d362 |
769 | sv_catpvs(declarator, " "); |
c311cef3 |
770 | sv_catsv(declarator, saw_name); |
771 | |
772 | if ( |
773 | sv_eq_pvs(saw_name, "BEGIN") || |
774 | sv_eq_pvs(saw_name, "END") || |
775 | sv_eq_pvs(saw_name, "INIT") || |
776 | sv_eq_pvs(saw_name, "CHECK") || |
777 | sv_eq_pvs(saw_name, "UNITCHECK") |
778 | ) { |
779 | builtin_attrs |= MY_ATTR_SPECIAL; |
780 | } |
781 | |
db81d362 |
782 | lex_read_space(0); |
63915d26 |
783 | } else if (!(spec->flags & FLAG_ANON_OK)) { |
31534187 |
784 | croak("I was expecting a function name, not \"%.*s\"", (int)(PL_parser->bufend - PL_parser->bufptr), PL_parser->bufptr); |
db81d362 |
785 | } else { |
786 | sv_catpvs(declarator, " (anon)"); |
787 | } |
788 | |
63915d26 |
789 | /* we're a subroutine declaration */ |
c311cef3 |
790 | floor_ix = start_subparse(FALSE, saw_name ? 0 : CVf_ANON); |
791 | SAVEFREESV(PL_compcv); |
792 | |
63915d26 |
793 | /* create outer block: '{' */ |
794 | save_ix = S_block_start(aTHX_ TRUE); |
795 | |
1e0f1595 |
796 | /* initialize synthetic optree */ |
797 | Newx(prelude_sentinel, 1, OP *); |
798 | *prelude_sentinel = NULL; |
799 | SAVEDESTRUCTOR_X(free_ptr_op, prelude_sentinel); |
800 | |
db81d362 |
801 | /* parameters */ |
e158cf8f |
802 | param_spec = NULL; |
63915d26 |
803 | |
db81d362 |
804 | c = lex_peek_unichar(0); |
805 | if (c == '(') { |
e158cf8f |
806 | OP **init_sentinel; |
807 | |
808 | Newx(init_sentinel, 1, OP *); |
809 | *init_sentinel = NULL; |
810 | SAVEDESTRUCTOR_X(free_ptr_op, init_sentinel); |
811 | |
812 | Newx(param_spec, 1, ParamSpec); |
813 | ps_init(param_spec); |
814 | SAVEDESTRUCTOR_X(ps_free_void, param_spec); |
db81d362 |
815 | |
816 | lex_read_unichar(0); |
817 | lex_read_space(0); |
818 | |
e158cf8f |
819 | while ((c = lex_peek_unichar(0)) != ')') { |
820 | int flags; |
821 | SV *name; |
822 | char sigil; |
823 | PADOFFSET padoff; |
c311cef3 |
824 | |
e158cf8f |
825 | padoff = parse_param(aTHX_ declarator, spec, param_spec, &flags, &name, init_sentinel); |
c311cef3 |
826 | |
e158cf8f |
827 | S_intro_my(aTHX); |
63915d26 |
828 | |
e158cf8f |
829 | sigil = SvPV_nolen(name)[0]; |
db81d362 |
830 | |
e158cf8f |
831 | /* internal consistency */ |
832 | if (flags & PARAM_NAMED) { |
833 | if (flags & PARAM_INVOCANT) { |
834 | croak("In %"SVf": invocant %"SVf" can't be a named parameter", SVfARG(declarator), SVfARG(name)); |
db81d362 |
835 | } |
e158cf8f |
836 | if (sigil != '$') { |
837 | croak("In %"SVf": named parameter %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
db81d362 |
838 | } |
e158cf8f |
839 | } else if (flags & PARAM_INVOCANT) { |
840 | if (*init_sentinel) { |
841 | croak("In %"SVf": invocant %"SVf" can't have a default value", SVfARG(declarator), SVfARG(name)); |
db81d362 |
842 | } |
e158cf8f |
843 | if (sigil != '$') { |
844 | croak("In %"SVf": invocant %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
845 | } |
846 | } else if (sigil != '$' && *init_sentinel) { |
847 | croak("In %"SVf": %s %"SVf" can't have a default value", SVfARG(declarator), sigil == '@' ? "array" : "hash", SVfARG(name)); |
848 | } |
db81d362 |
849 | |
e158cf8f |
850 | /* external constraints */ |
851 | if (param_spec->slurpy.name) { |
852 | croak("In %"SVf": I was expecting \")\" after \"%"SVf"\", not \"%"SVf"\"", SVfARG(declarator), SVfARG(param_spec->slurpy.name), SVfARG(name)); |
853 | } |
854 | if (sigil != '$') { |
855 | assert(!*init_sentinel); |
856 | param_spec->slurpy.name = name; |
857 | param_spec->slurpy.padoff = padoff; |
858 | continue; |
859 | } |
d8e5d540 |
860 | |
e158cf8f |
861 | if (!(flags & PARAM_NAMED) && count_named_params(param_spec)) { |
862 | 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)); |
863 | } |
d8e5d540 |
864 | |
e158cf8f |
865 | if (flags & PARAM_INVOCANT) { |
866 | if (param_spec->invocant.name) { |
867 | croak("In %"SVf": invalid double invocants %"SVf", %"SVf"", SVfARG(declarator), SVfARG(param_spec->invocant.name), SVfARG(name)); |
868 | } |
869 | if (count_positional_params(param_spec) || count_named_params(param_spec)) { |
870 | croak("In %"SVf": invocant %"SVf" must be first in parameter list", SVfARG(declarator), SVfARG(name)); |
63915d26 |
871 | } |
e158cf8f |
872 | if (!(spec->flags & FLAG_INVOCANT)) { |
873 | croak("In %"SVf": invocant %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
874 | } |
875 | param_spec->invocant.name = name; |
876 | param_spec->invocant.padoff = padoff; |
877 | continue; |
878 | } |
63915d26 |
879 | |
e158cf8f |
880 | if (*init_sentinel && !(spec->flags & FLAG_DEFAULT_ARGS)) { |
881 | croak("In %"SVf": default argument for %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
882 | } |
1e0f1595 |
883 | |
e158cf8f |
884 | if (ps_contains(aTHX_ param_spec, name)) { |
885 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(name)); |
886 | } |
1e0f1595 |
887 | |
e158cf8f |
888 | if (flags & PARAM_NAMED) { |
889 | if (!(spec->flags & FLAG_NAMED_PARAMS)) { |
890 | croak("In %"SVf": named parameter :%"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1e0f1595 |
891 | } |
892 | |
e158cf8f |
893 | if (*init_sentinel) { |
894 | ParamInit *pi = piv_extend(¶m_spec->named_optional); |
895 | pi->param.name = name; |
896 | pi->param.padoff = padoff; |
897 | pi->init = *init_sentinel; |
898 | *init_sentinel = NULL; |
899 | param_spec->named_optional.used++; |
900 | } else { |
901 | if (param_spec->positional_optional.used) { |
902 | 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)); |
903 | } |
d8e5d540 |
904 | |
e158cf8f |
905 | Param *p = pv_extend(¶m_spec->named_required); |
906 | p->name = name; |
907 | p->padoff = padoff; |
908 | param_spec->named_required.used++; |
909 | } |
910 | } else { |
911 | if (*init_sentinel || param_spec->positional_optional.used) { |
912 | ParamInit *pi = piv_extend(¶m_spec->positional_optional); |
913 | pi->param.name = name; |
914 | pi->param.padoff = padoff; |
915 | pi->init = *init_sentinel; |
916 | *init_sentinel = NULL; |
917 | param_spec->positional_optional.used++; |
918 | } else { |
919 | Param *p = pv_extend(¶m_spec->positional_required); |
920 | p->name = name; |
921 | p->padoff = padoff; |
922 | param_spec->positional_required.used++; |
db81d362 |
923 | } |
924 | } |
925 | |
e158cf8f |
926 | } |
927 | lex_read_unichar(0); |
928 | lex_read_space(0); |
929 | *init_sentinel = NULL; |
db81d362 |
930 | |
e158cf8f |
931 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
932 | if (ps_contains(aTHX_ param_spec, spec->shift)) { |
933 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(spec->shift)); |
db81d362 |
934 | } |
e158cf8f |
935 | |
936 | param_spec->invocant.name = spec->shift; |
937 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
db81d362 |
938 | } |
939 | } |
940 | |
941 | /* prototype */ |
c311cef3 |
942 | proto = NULL; |
db81d362 |
943 | c = lex_peek_unichar(0); |
944 | if (c == ':') { |
945 | lex_read_unichar(0); |
946 | lex_read_space(0); |
947 | |
948 | c = lex_peek_unichar(0); |
949 | if (c != '(') { |
c311cef3 |
950 | lex_stuff_pvs(":", 0); |
951 | c = ':'; |
db81d362 |
952 | } else { |
31534187 |
953 | lex_read_unichar(0); |
954 | if (!(proto = my_scan_parens_tail(aTHX_ FALSE))) { |
f34187b8 |
955 | croak("In %"SVf": prototype not terminated", SVfARG(declarator)); |
db81d362 |
956 | } |
31534187 |
957 | my_check_prototype(aTHX_ declarator, proto); |
db81d362 |
958 | lex_read_space(0); |
c311cef3 |
959 | c = lex_peek_unichar(0); |
db81d362 |
960 | } |
961 | } |
962 | |
db81d362 |
963 | /* attributes */ |
c311cef3 |
964 | Newx(attrs_sentinel, 1, OP *); |
965 | *attrs_sentinel = NULL; |
311ced6f |
966 | SAVEDESTRUCTOR_X(free_ptr_op, attrs_sentinel); |
c311cef3 |
967 | |
63915d26 |
968 | if (c == ':' || c == '{') /* '}' - hi, vim */ { |
c311cef3 |
969 | |
970 | /* kludge default attributes in */ |
971 | if (SvTRUE(spec->attrs) && SvPV_nolen(spec->attrs)[0] == ':') { |
972 | lex_stuff_sv(spec->attrs, 0); |
973 | c = ':'; |
974 | } |
b72eb6ee |
975 | |
db81d362 |
976 | if (c == ':') { |
db81d362 |
977 | lex_read_unichar(0); |
978 | lex_read_space(0); |
db81d362 |
979 | c = lex_peek_unichar(0); |
c311cef3 |
980 | |
981 | for (;;) { |
982 | SV *attr; |
983 | |
31534187 |
984 | if (!(attr = my_scan_word(aTHX_ FALSE))) { |
c311cef3 |
985 | break; |
db81d362 |
986 | } |
c311cef3 |
987 | |
db81d362 |
988 | lex_read_space(0); |
989 | c = lex_peek_unichar(0); |
c311cef3 |
990 | |
991 | if (c != '(') { |
992 | if (sv_eq_pvs(attr, "lvalue")) { |
993 | builtin_attrs |= MY_ATTR_LVALUE; |
994 | attr = NULL; |
995 | } else if (sv_eq_pvs(attr, "method")) { |
996 | builtin_attrs |= MY_ATTR_METHOD; |
997 | attr = NULL; |
998 | } |
999 | } else { |
31534187 |
1000 | SV *sv; |
1001 | lex_read_unichar(0); |
1002 | if (!(sv = my_scan_parens_tail(aTHX_ TRUE))) { |
c311cef3 |
1003 | croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator)); |
1004 | } |
31534187 |
1005 | sv_catpvs(attr, "("); |
c311cef3 |
1006 | sv_catsv(attr, sv); |
31534187 |
1007 | sv_catpvs(attr, ")"); |
c311cef3 |
1008 | |
1009 | lex_read_space(0); |
1010 | c = lex_peek_unichar(0); |
1011 | } |
1012 | |
1013 | if (attr) { |
1014 | *attrs_sentinel = op_append_elem(OP_LIST, *attrs_sentinel, newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(attr))); |
1015 | } |
1016 | |
1017 | if (c == ':') { |
1018 | lex_read_unichar(0); |
1019 | lex_read_space(0); |
1020 | c = lex_peek_unichar(0); |
1021 | } |
db81d362 |
1022 | } |
1023 | } |
1024 | } |
1025 | |
1026 | /* body */ |
63915d26 |
1027 | if (c != '{') /* '}' - hi, vim */ { |
85bc3fbd |
1028 | croak("In %"SVf": I was expecting a function body, not \"%c\"", SVfARG(declarator), (int)c); |
db81d362 |
1029 | } |
c311cef3 |
1030 | |
63915d26 |
1031 | /* surprise predeclaration! */ |
1032 | if (saw_name) { |
1033 | /* 'sub NAME (PROTO);' to make name/proto known to perl before it |
1034 | starts parsing the body */ |
1035 | const I32 sub_ix = start_subparse(FALSE, 0); |
1036 | SAVEFREESV(PL_compcv); |
1037 | |
1038 | SvREFCNT_inc_simple_void(PL_compcv); |
1039 | |
1040 | newATTRSUB( |
1041 | sub_ix, |
1042 | newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)), |
1043 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1044 | NULL, |
1045 | NULL |
1046 | ); |
1047 | } |
1048 | |
c311cef3 |
1049 | if (builtin_attrs & MY_ATTR_LVALUE) { |
1050 | CvLVALUE_on(PL_compcv); |
db81d362 |
1051 | } |
c311cef3 |
1052 | if (builtin_attrs & MY_ATTR_METHOD) { |
1053 | CvMETHOD_on(PL_compcv); |
1054 | } |
1055 | if (builtin_attrs & MY_ATTR_SPECIAL) { |
1056 | CvSPECIAL_on(PL_compcv); |
db81d362 |
1057 | } |
1058 | |
e158cf8f |
1059 | /* check number of arguments */ |
1060 | if (spec->flags & FLAG_CHECK_NARGS) { |
1061 | int amin, amax; |
1062 | size_t named; |
d8e5d540 |
1063 | |
e158cf8f |
1064 | amin = args_min(aTHX_ param_spec, spec); |
1065 | if (amin > 0) { |
1066 | OP *chk, *cond, *err, *croak; |
d8e5d540 |
1067 | |
e158cf8f |
1068 | err = newSVOP(OP_CONST, 0, |
1069 | newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin)); |
1070 | err = newBINOP(OP_CONCAT, 0, |
1071 | err, |
1072 | newAVREF(newGVOP(OP_GV, 0, PL_defgv))); |
1073 | err = newBINOP(OP_CONCAT, 0, |
1074 | err, |
1075 | newSVOP(OP_CONST, 0, newSVpvs(")"))); |
d8e5d540 |
1076 | |
e158cf8f |
1077 | croak = newCVREF(OPf_WANT_SCALAR, |
1078 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1079 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
1080 | op_append_elem(OP_LIST, err, croak)); |
d8e5d540 |
1081 | |
e158cf8f |
1082 | cond = newBINOP(OP_LT, 0, |
1083 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1084 | newSVOP(OP_CONST, 0, newSViv(amin))); |
1085 | chk = newLOGOP(OP_AND, 0, cond, err); |
1086 | |
1087 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1e0f1595 |
1088 | } |
abccbe86 |
1089 | |
e158cf8f |
1090 | amax = args_max(param_spec); |
1091 | if (amax >= 0) { |
1e0f1595 |
1092 | OP *chk, *cond, *err, *croak; |
63915d26 |
1093 | |
1e0f1595 |
1094 | err = newSVOP(OP_CONST, 0, |
e158cf8f |
1095 | newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax)); |
1096 | err = newBINOP(OP_CONCAT, 0, |
1097 | err, |
1098 | newAVREF(newGVOP(OP_GV, 0, PL_defgv))); |
1099 | err = newBINOP(OP_CONCAT, 0, |
1100 | err, |
1101 | newSVOP(OP_CONST, 0, newSVpvs(")"))); |
63915d26 |
1102 | |
1e0f1595 |
1103 | croak = newCVREF(OPf_WANT_SCALAR, |
e158cf8f |
1104 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1105 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
e158cf8f |
1106 | op_append_elem(OP_LIST, err, croak)); |
63915d26 |
1107 | |
e158cf8f |
1108 | cond = newBINOP(OP_GT, 0, |
1109 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1110 | newSVOP(OP_CONST, 0, newSViv(amax))); |
1e0f1595 |
1111 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1112 | |
1e0f1595 |
1113 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1114 | } |
e158cf8f |
1115 | |
1116 | if (param_spec && (count_named_params(param_spec) || (param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'))) { |
1e0f1595 |
1117 | OP *chk, *cond, *err, *croak; |
e158cf8f |
1118 | const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name; |
63915d26 |
1119 | |
1e0f1595 |
1120 | err = newSVOP(OP_CONST, 0, |
e158cf8f |
1121 | newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator))); |
63915d26 |
1122 | |
1e0f1595 |
1123 | croak = newCVREF(OPf_WANT_SCALAR, |
e158cf8f |
1124 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1125 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
e158cf8f |
1126 | op_append_elem(OP_LIST, err, croak)); |
63915d26 |
1127 | |
1e0f1595 |
1128 | cond = newBINOP(OP_GT, 0, |
e158cf8f |
1129 | fixed |
1130 | ? newBINOP(OP_SUBTRACT, 0, |
1131 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1132 | newSVOP(OP_CONST, 0, newSVuv(fixed))) |
1133 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1134 | newSVOP(OP_CONST, 0, newSViv(0))); |
1135 | cond = newLOGOP(OP_AND, 0, |
1136 | cond, |
1137 | newBINOP(OP_MODULO, 0, |
1138 | fixed |
1139 | ? newBINOP(OP_SUBTRACT, 0, |
1140 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1141 | newSVOP(OP_CONST, 0, newSVuv(fixed))) |
1142 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1143 | newSVOP(OP_CONST, 0, newSViv(2)))); |
1e0f1595 |
1144 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1145 | |
1e0f1595 |
1146 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
c311cef3 |
1147 | } |
1e0f1595 |
1148 | } |
c311cef3 |
1149 | |
e158cf8f |
1150 | if (!param_spec) { |
1151 | /* my $invocant = shift; */ |
1152 | if (SvTRUE(spec->shift)) { |
1153 | OP *var; |
abccbe86 |
1154 | |
e158cf8f |
1155 | var = my_var( |
1156 | aTHX_ |
1157 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1158 | pad_add_name_sv(spec->shift, 0, NULL, NULL) |
1159 | ); |
1160 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
c311cef3 |
1161 | |
e158cf8f |
1162 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1163 | } |
1164 | } else { |
1165 | /* my $invocant = shift; */ |
1166 | if (param_spec->invocant.name) { |
1167 | OP *var; |
c311cef3 |
1168 | |
e158cf8f |
1169 | var = my_var( |
1170 | aTHX_ |
1171 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1172 | param_spec->invocant.padoff |
1173 | ); |
1174 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
1e0f1595 |
1175 | |
e158cf8f |
1176 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
c311cef3 |
1177 | } |
1178 | |
e158cf8f |
1179 | /* my (...) = @_; */ |
1180 | { |
1181 | OP *lhs; |
1182 | size_t i, lim; |
63915d26 |
1183 | |
e158cf8f |
1184 | lhs = NULL; |
63915d26 |
1185 | |
e158cf8f |
1186 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1187 | OP *const var = my_var( |
1188 | aTHX_ |
1189 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1190 | param_spec->positional_required.data[i].padoff |
1191 | ); |
1192 | lhs = op_append_elem(OP_LIST, lhs, var); |
1193 | } |
63915d26 |
1194 | |
e158cf8f |
1195 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1196 | OP *const var = my_var( |
1197 | aTHX_ |
1198 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1199 | param_spec->positional_optional.data[i].param.padoff |
1200 | ); |
1201 | lhs = op_append_elem(OP_LIST, lhs, var); |
1202 | } |
63915d26 |
1203 | |
e158cf8f |
1204 | if (param_spec->slurpy.name) { |
1205 | if (count_named_params(param_spec)) { |
1206 | OP *const var = my_var_g( |
1207 | aTHX_ |
1208 | SvPV_nolen(param_spec->slurpy.name)[0] == '@' ? OP_PADAV : OP_PADHV, |
1209 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1210 | param_spec->slurpy.padoff |
1211 | ); |
1212 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1213 | } else { |
1214 | OP *const var = my_var_g( |
1215 | aTHX_ |
1216 | SvPV_nolen(param_spec->slurpy.name)[0] == '@' ? OP_PADAV : OP_PADHV, |
1217 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1218 | param_spec->slurpy.padoff |
1219 | ); |
1220 | lhs = op_append_elem(OP_LIST, lhs, var); |
1221 | } |
1222 | } |
63915d26 |
1223 | |
e158cf8f |
1224 | if (lhs) { |
1225 | OP *rhs; |
1226 | lhs->op_flags |= OPf_PARENS; |
1227 | rhs = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
1228 | |
1229 | *prelude_sentinel = op_append_list( |
1230 | OP_LINESEQ, *prelude_sentinel, |
1231 | newSTATEOP( |
1232 | 0, NULL, |
1233 | newASSIGNOP(OPf_STACKED, lhs, 0, rhs) |
1234 | ) |
1235 | ); |
1236 | } |
1237 | } |
63915d26 |
1238 | |
e158cf8f |
1239 | /* default arguments */ |
1240 | { |
1241 | size_t i, lim, req; |
1242 | OP *nest; |
63915d26 |
1243 | |
e158cf8f |
1244 | nest = NULL; |
63915d26 |
1245 | |
e158cf8f |
1246 | req = param_spec->positional_required.used; |
1247 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1248 | ParamInit *cur = ¶m_spec->positional_optional.data[i]; |
1249 | OP *var, *cond; |
63915d26 |
1250 | |
e158cf8f |
1251 | cond = newBINOP( |
1252 | OP_LT, 0, |
1253 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1254 | newSVOP(OP_CONST, 0, newSViv(req + i + 1)) |
1255 | ); |
1e0f1595 |
1256 | |
e158cf8f |
1257 | var = my_var(aTHX_ 0, cur->param.padoff); |
1258 | |
1259 | nest = op_append_list( |
1260 | OP_LINESEQ, nest, |
1261 | newASSIGNOP(OPf_STACKED, var, 0, cur->init) |
1262 | ); |
1263 | cur->init = NULL; |
1264 | nest = newCONDOP( |
1265 | 0, |
1266 | cond, |
1267 | nest, |
1268 | NULL |
1269 | ); |
1270 | } |
1271 | |
1272 | *prelude_sentinel = op_append_list( |
1273 | OP_LINESEQ, *prelude_sentinel, |
1274 | nest |
1275 | ); |
c311cef3 |
1276 | } |
1277 | |
e158cf8f |
1278 | /* named parameters */ |
1279 | if (count_named_params(param_spec)) { |
1280 | int nameblock_ix; |
1281 | OP *nameblock; |
1282 | PADOFFSET vb, vc, vi, vk; |
1283 | const size_t pos = count_positional_params(param_spec); |
1284 | |
1285 | nameblock = NULL; |
1286 | nameblock_ix = S_block_start(aTHX_ TRUE); |
1287 | |
1288 | { |
1289 | OP *decl, *var; |
1290 | |
1291 | decl = NULL; |
1292 | |
1293 | if (!param_spec->named_required.used || !(spec->flags & FLAG_CHECK_NARGS)) { |
1294 | vb = 0; |
1295 | } else { |
1296 | var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8)); |
1297 | var->op_targ = vb = pad_add_name_pvs("$__B", 0, NULL, NULL); |
1298 | var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, newSVpvs(""))); |
1299 | decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var)); |
1300 | } |
1301 | |
1302 | if (!param_spec->named_optional.used) { |
1303 | vc = 0; |
1304 | } else { |
1305 | var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8)); |
1306 | var->op_targ = vc = pad_add_name_pvs("$__C", 0, NULL, NULL); |
1307 | var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, newSVpvs(""))); |
1308 | decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var)); |
1309 | } |
1310 | |
1311 | var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8)); |
1312 | var->op_targ = vk = pad_add_name_pvs("$__K", 0, NULL, NULL); |
1313 | decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var)); |
1314 | |
1315 | var = newOP(OP_PADSV, OPf_MOD | (OPpLVAL_INTRO << 8)); |
1316 | var->op_targ = vi = pad_add_name_pvs("$__I", 0, NULL, NULL); |
1317 | var = newASSIGNOP(OPf_STACKED, var, 0, newSVOP(OP_CONST, 0, newSViv(pos))); |
1318 | decl = op_append_list(OP_LINESEQ, decl, newSTATEOP(0, NULL, var)); |
1319 | |
1320 | //S_intro_my(aTHX); |
1321 | nameblock = op_append_list(OP_LINESEQ, nameblock, decl); |
1322 | } |
1323 | |
1324 | { |
1325 | OP *loop; |
1326 | |
1327 | loop = NULL; |
1328 | |
1329 | loop = op_append_list( |
1330 | OP_LINESEQ, |
1331 | loop, |
1332 | newSTATEOP( |
1333 | 0, NULL, |
1334 | newASSIGNOP( |
1335 | OPf_STACKED, |
1336 | my_var(aTHX_ 0, vk), |
1337 | 0, |
1338 | mkargselemv(aTHX_ vi) |
1339 | ) |
1340 | ) |
1341 | ); |
1342 | |
1343 | { |
1344 | OP *nest; |
1345 | size_t i; |
1346 | |
1347 | if (param_spec->slurpy.name) { |
1348 | if (SvPV_nolen(param_spec->slurpy.name)[0] == '@') { |
1349 | OP *first, *mid, *last; |
1350 | |
1351 | last = mkargselem( |
1352 | aTHX_ |
1353 | newBINOP( |
1354 | OP_ADD, 0, |
1355 | my_var(aTHX_ 0, vi), |
1356 | newSVOP(OP_CONST, 0, newSViv(1)) |
1357 | ) |
1358 | ); |
1359 | mid = last; |
1360 | |
1361 | first = my_var(aTHX_ 0, vk); |
1362 | first->op_sibling = mid; |
1363 | mid = first; |
1364 | |
1365 | first = my_var_g(aTHX_ OP_PADAV, 0, param_spec->slurpy.padoff); |
1366 | first->op_sibling = mid; |
1367 | mid = first; |
1368 | |
1369 | first = newOP(OP_PUSHMARK, 0); |
1370 | nest = newLISTOP(OP_PUSH, 0, first, mid); |
1371 | nest->op_targ = pad_alloc(OP_PUSH, SVs_PADTMP); |
1372 | ((LISTOP *)nest)->op_last = last; |
1373 | } else { |
1374 | nest = newASSIGNOP( |
1375 | OPf_STACKED, |
1376 | newBINOP( |
1377 | OP_HELEM, 0, |
1378 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->slurpy.padoff), |
1379 | my_var(aTHX_ 0, vk) |
1380 | ), |
1381 | 0, |
1382 | mkargselem( |
1383 | aTHX_ |
1384 | newBINOP( |
1385 | OP_ADD, 0, |
1386 | my_var(aTHX_ 0, vi), |
1387 | newSVOP(OP_CONST, 0, newSViv(1)) |
1388 | ) |
1389 | ) |
1390 | ); |
1391 | } |
1392 | } else if (spec->flags & FLAG_CHECK_NARGS) { |
1393 | OP *err, *croak; |
1394 | |
1395 | err = newSVOP(OP_CONST, 0, |
1396 | newSVpvf("In %"SVf": No such named parameter: ", SVfARG(declarator))); |
1397 | err = newBINOP( |
1398 | OP_CONCAT, 0, |
1399 | err, |
1400 | my_var(aTHX_ 0, vk) |
1401 | ); |
1402 | |
1403 | croak = newCVREF(OPf_WANT_SCALAR, |
1404 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1405 | nest = newUNOP(OP_ENTERSUB, OPf_STACKED, |
1406 | op_append_elem(OP_LIST, err, croak)); |
1407 | } else { |
1408 | nest = NULL; |
1409 | } |
1410 | |
1411 | for (i = param_spec->named_optional.used; i--; ) { |
1412 | Param *cur = ¶m_spec->named_optional.data[i].param; |
1413 | size_t dn; |
1414 | char *dp = SvPV(cur->name, dn); |
1415 | OP *vec; |
1416 | |
1417 | if (!(spec->flags & FLAG_CHECK_NARGS)) { |
1418 | vec = NULL; |
1419 | } else { |
1420 | vec = newASSIGNOP( |
1421 | OPf_STACKED, |
1422 | mkvecbits(aTHX_ vc, i), |
1423 | 0, |
1424 | newSVOP(OP_CONST, 0, newSViv(1)) |
1425 | ); |
1426 | } |
1427 | |
1428 | nest = newCONDOP( |
1429 | 0, |
1430 | newBINOP( |
1431 | OP_SEQ, 0, |
1432 | my_var(aTHX_ 0, vk), |
1433 | newSVOP(OP_CONST, 0, newSVpvn_utf8(dp + 1, dn - 1, SvUTF8(cur->name))) |
1434 | ), |
1435 | op_append_list( |
1436 | OP_LINESEQ, |
1437 | newASSIGNOP( |
1438 | OPf_STACKED, |
1439 | my_var(aTHX_ 0, cur->padoff), |
1440 | 0, |
1441 | mkargselem( |
1442 | aTHX_ |
1443 | newBINOP( |
1444 | OP_ADD, 0, |
1445 | my_var(aTHX_ 0, vi), |
1446 | newSVOP(OP_CONST, 0, newSViv(1)) |
1447 | ) |
1448 | ) |
1449 | ), |
1450 | vec |
1451 | ), |
1452 | nest |
1453 | ); |
1454 | } |
1455 | |
1456 | for (i = param_spec->named_required.used; i--; ) { |
1457 | Param *cur = ¶m_spec->named_required.data[i]; |
1458 | size_t dn; |
1459 | char *dp = SvPV(cur->name, dn); |
1460 | OP *vec; |
1461 | |
1462 | if (!(spec->flags & FLAG_CHECK_NARGS)) { |
1463 | vec = NULL; |
1464 | } else { |
1465 | vec = newASSIGNOP( |
1466 | OPf_STACKED, |
1467 | mkvecbits(aTHX_ vb, i), |
1468 | 0, |
1469 | newSVOP(OP_CONST, 0, newSViv(1)) |
1470 | ); |
1471 | } |
1472 | |
1473 | nest = newCONDOP( |
1474 | 0, |
1475 | newBINOP( |
1476 | OP_SEQ, 0, |
1477 | my_var(aTHX_ 0, vk), |
1478 | newSVOP(OP_CONST, 0, newSVpvn_utf8(dp + 1, dn - 1, SvUTF8(cur->name))) |
1479 | ), |
1480 | op_append_list( |
1481 | OP_LINESEQ, |
1482 | newASSIGNOP( |
1483 | OPf_STACKED, |
1484 | my_var(aTHX_ 0, cur->padoff), |
1485 | 0, |
1486 | mkargselem( |
1487 | aTHX_ |
1488 | newBINOP( |
1489 | OP_ADD, 0, |
1490 | my_var(aTHX_ 0, vi), |
1491 | newSVOP(OP_CONST, 0, newSViv(1)) |
1492 | ) |
1493 | ) |
1494 | ), |
1495 | vec |
1496 | ), |
1497 | nest |
1498 | ); |
1499 | } |
1500 | |
1501 | loop = op_append_elem(OP_LINESEQ, loop, newSTATEOP(0, NULL, nest)); |
1502 | } |
1503 | |
1504 | loop = newWHILEOP( |
1505 | 0, 1, |
1506 | NULL, |
1507 | newBINOP( |
1508 | OP_LT, 0, |
1509 | my_var(aTHX_ 0, vi), |
1510 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1511 | ), |
1512 | loop, |
1513 | newASSIGNOP( |
1514 | OPf_STACKED, |
1515 | my_var(aTHX_ 0, vi), |
1516 | OP_ADD, |
1517 | newSVOP(OP_CONST, 0, newSViv(2)) |
1518 | ), |
1519 | 0 |
1520 | ); |
1521 | |
1522 | nameblock = op_append_list(OP_LINESEQ, nameblock, newSTATEOP(0, NULL, loop)); |
1523 | } |
1524 | |
1525 | if (param_spec->named_required.used && (spec->flags & FLAG_CHECK_NARGS)) { |
1526 | OP *cond, *err, *croak, *join; |
1527 | |
1528 | { |
1529 | size_t i, lim; |
1530 | OP *first, *mid, *last; |
1531 | |
1532 | last = newNULLLIST(); |
1533 | mid = last; |
1534 | |
1535 | for (i = param_spec->named_required.used; i--; ) { |
1536 | OP *cur; |
1537 | SV *sv = param_spec->named_required.data[i].name; |
1538 | size_t n; |
1539 | char *p = SvPV(sv, n); |
1540 | cur = newCONDOP( |
1541 | 0, |
1542 | mkvecbits(aTHX_ vb, i), |
1543 | newNULLLIST(), |
1544 | newSVOP(OP_CONST, 0, newSVpvn_utf8(p + 1, n - 1, SvUTF8(sv))) |
1545 | ); |
1546 | cur->op_sibling = mid; |
1547 | mid = cur; |
1548 | } |
1549 | |
1550 | first = newSVOP(OP_CONST, 0, newSVpvs(", ")); |
1551 | first->op_sibling = mid; |
1552 | mid = first; |
1553 | |
1554 | first = newOP(OP_PUSHMARK, 0); |
1555 | |
1556 | join = newLISTOP(OP_JOIN, 0, first, mid); |
1557 | join->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP); |
1558 | ((LISTOP *)join)->op_last = last; |
1559 | } |
1560 | |
1561 | err = newSVOP( |
1562 | OP_CONST, 0, |
1563 | newSVpvf("In %"SVf": Missing named parameter(s): ", SVfARG(declarator)) |
1564 | ); |
1565 | err = newBINOP(OP_CONCAT, 0, err, join); |
1566 | croak = newCVREF( |
1567 | OPf_WANT_SCALAR, |
1568 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1569 | ); |
1570 | err = newUNOP( |
1571 | OP_ENTERSUB, |
1572 | OPf_STACKED, |
1573 | op_append_elem(OP_LIST, err, croak) |
1574 | ); |
1575 | cond = newBINOP( |
1576 | OP_SNE, 0, |
1577 | my_var(aTHX_ 0, vb), |
1578 | newSVOP(OP_CONST, 0, mkbits1(aTHX_ param_spec->named_required.used)) |
1579 | ); |
1580 | err = newCONDOP( |
1581 | 0, |
1582 | cond, |
1583 | err, |
1584 | NULL |
1585 | ); |
1586 | |
1587 | nameblock = op_append_list(OP_LINESEQ, nameblock, err); |
1588 | } |
1589 | |
1590 | if (param_spec->named_optional.used) { |
1591 | size_t i, lim; |
1592 | |
1593 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1594 | ParamInit *const cur = ¶m_spec->named_optional.data[i]; |
1595 | OP *init, *cond; |
1596 | |
1597 | init = newASSIGNOP( |
1598 | OPf_STACKED, |
1599 | my_var(aTHX_ 0, cur->param.padoff), |
1600 | 0, |
1601 | cur->init |
1602 | ); |
1603 | cur->init = NULL; |
1604 | |
1605 | cond = newUNOP(OP_NOT, OPf_SPECIAL, mkvecbits(aTHX_ vc, i)); |
1606 | |
1607 | init = newCONDOP(0, cond, init, NULL); |
1608 | |
1609 | nameblock = op_append_list(OP_LINESEQ, nameblock, newSTATEOP(0, NULL, init)); |
1610 | } |
1611 | } |
1612 | |
1613 | nameblock = S_block_end(aTHX_ nameblock_ix, nameblock); |
1614 | nameblock = op_scope(nameblock); |
1615 | |
1616 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, nameblock); |
1617 | } |
1e0f1595 |
1618 | } |
c311cef3 |
1619 | |
1e0f1595 |
1620 | /* finally let perl parse the actual subroutine body */ |
1621 | body = parse_block(0); |
c311cef3 |
1622 | |
1e0f1595 |
1623 | /* add '();' to make function return nothing by default */ |
1624 | /* (otherwise the invisible parameter initialization can "leak" into |
1625 | the return value: fun ($x) {}->("asdf", 0) == 2) */ |
1626 | if (*prelude_sentinel) { |
1627 | body = newSTATEOP(0, NULL, body); |
db81d362 |
1628 | } |
1629 | |
1e0f1595 |
1630 | body = op_append_list(OP_LINESEQ, *prelude_sentinel, body); |
1631 | *prelude_sentinel = NULL; |
1632 | |
c311cef3 |
1633 | /* it's go time. */ |
1634 | { |
1635 | OP *const attrs = *attrs_sentinel; |
1636 | *attrs_sentinel = NULL; |
1637 | SvREFCNT_inc_simple_void(PL_compcv); |
1638 | |
63915d26 |
1639 | /* close outer block: '}' */ |
1640 | S_block_end(aTHX_ save_ix, body); |
1641 | |
c311cef3 |
1642 | if (!saw_name) { |
1643 | *pop = newANONATTRSUB( |
1644 | floor_ix, |
1645 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1646 | attrs, |
1647 | body |
1648 | ); |
1649 | return KEYWORD_PLUGIN_EXPR; |
1650 | } |
1651 | |
1652 | newATTRSUB( |
1653 | floor_ix, |
1654 | newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)), |
1655 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1656 | attrs, |
1657 | body |
1658 | ); |
5efe0e0e |
1659 | *pop = newOP(OP_NULL, 0); |
c311cef3 |
1660 | return KEYWORD_PLUGIN_STMT; |
db81d362 |
1661 | } |
db81d362 |
1662 | } |
1663 | |
1664 | static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) { |
63915d26 |
1665 | KWSpec spec; |
db81d362 |
1666 | int ret; |
1667 | |
1668 | SAVETMPS; |
1669 | |
7dd35535 |
1670 | if (kw_flags(aTHX_ keyword_ptr, keyword_len, &spec)) { |
1671 | ret = parse_fun(aTHX_ op_ptr, keyword_ptr, keyword_len, &spec); |
db81d362 |
1672 | } else { |
7dd35535 |
1673 | ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr); |
db81d362 |
1674 | } |
1675 | |
1676 | FREETMPS; |
1677 | |
1678 | return ret; |
1679 | } |
1680 | |
1681 | WARNINGS_RESET |
1682 | |
1683 | MODULE = Function::Parameters PACKAGE = Function::Parameters |
1684 | PROTOTYPES: ENABLE |
1685 | |
1686 | BOOT: |
1687 | WARNINGS_ENABLE { |
1688 | HV *const stash = gv_stashpvs(MY_PKG, GV_ADD); |
426a4d69 |
1689 | /**/ |
d8e5d540 |
1690 | newCONSTSUB(stash, "FLAG_NAME_OK", newSViv(FLAG_NAME_OK)); |
1691 | newCONSTSUB(stash, "FLAG_ANON_OK", newSViv(FLAG_ANON_OK)); |
63915d26 |
1692 | newCONSTSUB(stash, "FLAG_DEFAULT_ARGS", newSViv(FLAG_DEFAULT_ARGS)); |
d8e5d540 |
1693 | newCONSTSUB(stash, "FLAG_CHECK_NARGS", newSViv(FLAG_CHECK_NARGS)); |
1694 | newCONSTSUB(stash, "FLAG_INVOCANT", newSViv(FLAG_INVOCANT)); |
e158cf8f |
1695 | newCONSTSUB(stash, "FLAG_NAMED_PARAMS", newSViv(FLAG_NAMED_PARAMS)); |
db81d362 |
1696 | newCONSTSUB(stash, "HINTK_KEYWORDS", newSVpvs(HINTK_KEYWORDS)); |
d8e5d540 |
1697 | newCONSTSUB(stash, "HINTK_FLAGS_", newSVpvs(HINTK_FLAGS_)); |
1698 | newCONSTSUB(stash, "HINTK_SHIFT_", newSVpvs(HINTK_SHIFT_)); |
1699 | newCONSTSUB(stash, "HINTK_ATTRS_", newSVpvs(HINTK_ATTRS_)); |
426a4d69 |
1700 | /**/ |
db81d362 |
1701 | next_keyword_plugin = PL_keyword_plugin; |
1702 | PL_keyword_plugin = my_keyword_plugin; |
1703 | } WARNINGS_RESET |