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 | |
e4648f19 |
756 | static int parse_fun(pTHX_ Sentinel sen, OP **pop, const char *keyword_ptr, STRLEN keyword_len, const KWSpec *spec) { |
e158cf8f |
757 | ParamSpec *param_spec; |
c311cef3 |
758 | SV *declarator; |
759 | I32 floor_ix; |
63915d26 |
760 | int save_ix; |
c311cef3 |
761 | SV *saw_name; |
1e0f1595 |
762 | OP **prelude_sentinel; |
c311cef3 |
763 | SV *proto; |
764 | OP **attrs_sentinel, *body; |
765 | unsigned builtin_attrs; |
db81d362 |
766 | I32 c; |
767 | |
e4648f19 |
768 | declarator = sentinel_mortalize(sen, newSVpvn(keyword_ptr, keyword_len)); |
db81d362 |
769 | |
db81d362 |
770 | lex_read_space(0); |
771 | |
c311cef3 |
772 | builtin_attrs = 0; |
773 | |
db81d362 |
774 | /* function name */ |
c311cef3 |
775 | saw_name = NULL; |
e4648f19 |
776 | if ((spec->flags & FLAG_NAME_OK) && (saw_name = my_scan_word(aTHX_ sen, TRUE))) { |
c311cef3 |
777 | |
778 | if (PL_parser->expect != XSTATE) { |
779 | /* bail out early so we don't predeclare $saw_name */ |
780 | croak("In %"SVf": I was expecting a function body, not \"%"SVf"\"", SVfARG(declarator), SVfARG(saw_name)); |
781 | } |
782 | |
db81d362 |
783 | sv_catpvs(declarator, " "); |
c311cef3 |
784 | sv_catsv(declarator, saw_name); |
785 | |
786 | if ( |
787 | sv_eq_pvs(saw_name, "BEGIN") || |
788 | sv_eq_pvs(saw_name, "END") || |
789 | sv_eq_pvs(saw_name, "INIT") || |
790 | sv_eq_pvs(saw_name, "CHECK") || |
791 | sv_eq_pvs(saw_name, "UNITCHECK") |
792 | ) { |
793 | builtin_attrs |= MY_ATTR_SPECIAL; |
794 | } |
795 | |
db81d362 |
796 | lex_read_space(0); |
63915d26 |
797 | } else if (!(spec->flags & FLAG_ANON_OK)) { |
31534187 |
798 | croak("I was expecting a function name, not \"%.*s\"", (int)(PL_parser->bufend - PL_parser->bufptr), PL_parser->bufptr); |
db81d362 |
799 | } else { |
800 | sv_catpvs(declarator, " (anon)"); |
801 | } |
802 | |
63915d26 |
803 | /* we're a subroutine declaration */ |
c311cef3 |
804 | floor_ix = start_subparse(FALSE, saw_name ? 0 : CVf_ANON); |
805 | SAVEFREESV(PL_compcv); |
806 | |
63915d26 |
807 | /* create outer block: '{' */ |
808 | save_ix = S_block_start(aTHX_ TRUE); |
809 | |
1e0f1595 |
810 | /* initialize synthetic optree */ |
811 | Newx(prelude_sentinel, 1, OP *); |
812 | *prelude_sentinel = NULL; |
e4648f19 |
813 | sentinel_register(sen, prelude_sentinel, free_ptr_op); |
1e0f1595 |
814 | |
db81d362 |
815 | /* parameters */ |
e158cf8f |
816 | param_spec = NULL; |
63915d26 |
817 | |
db81d362 |
818 | c = lex_peek_unichar(0); |
819 | if (c == '(') { |
e158cf8f |
820 | OP **init_sentinel; |
821 | |
822 | Newx(init_sentinel, 1, OP *); |
823 | *init_sentinel = NULL; |
e4648f19 |
824 | sentinel_register(sen, init_sentinel, free_ptr_op); |
e158cf8f |
825 | |
826 | Newx(param_spec, 1, ParamSpec); |
827 | ps_init(param_spec); |
e4648f19 |
828 | sentinel_register(sen, param_spec, ps_free_void); |
db81d362 |
829 | |
830 | lex_read_unichar(0); |
831 | lex_read_space(0); |
832 | |
e158cf8f |
833 | while ((c = lex_peek_unichar(0)) != ')') { |
834 | int flags; |
835 | SV *name; |
836 | char sigil; |
837 | PADOFFSET padoff; |
c311cef3 |
838 | |
e4648f19 |
839 | padoff = parse_param(aTHX_ sen, declarator, spec, param_spec, &flags, &name, init_sentinel); |
c311cef3 |
840 | |
e158cf8f |
841 | S_intro_my(aTHX); |
63915d26 |
842 | |
e158cf8f |
843 | sigil = SvPV_nolen(name)[0]; |
db81d362 |
844 | |
e158cf8f |
845 | /* internal consistency */ |
846 | if (flags & PARAM_NAMED) { |
847 | if (flags & PARAM_INVOCANT) { |
848 | croak("In %"SVf": invocant %"SVf" can't be a named parameter", SVfARG(declarator), SVfARG(name)); |
db81d362 |
849 | } |
e158cf8f |
850 | if (sigil != '$') { |
851 | croak("In %"SVf": named parameter %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
db81d362 |
852 | } |
e158cf8f |
853 | } else if (flags & PARAM_INVOCANT) { |
854 | if (*init_sentinel) { |
855 | croak("In %"SVf": invocant %"SVf" can't have a default value", SVfARG(declarator), SVfARG(name)); |
db81d362 |
856 | } |
e158cf8f |
857 | if (sigil != '$') { |
858 | croak("In %"SVf": invocant %"SVf" can't be a%s", SVfARG(declarator), SVfARG(name), sigil == '@' ? "n array" : " hash"); |
859 | } |
860 | } else if (sigil != '$' && *init_sentinel) { |
861 | croak("In %"SVf": %s %"SVf" can't have a default value", SVfARG(declarator), sigil == '@' ? "array" : "hash", SVfARG(name)); |
862 | } |
db81d362 |
863 | |
e158cf8f |
864 | /* external constraints */ |
865 | if (param_spec->slurpy.name) { |
866 | croak("In %"SVf": I was expecting \")\" after \"%"SVf"\", not \"%"SVf"\"", SVfARG(declarator), SVfARG(param_spec->slurpy.name), SVfARG(name)); |
867 | } |
868 | if (sigil != '$') { |
869 | assert(!*init_sentinel); |
870 | param_spec->slurpy.name = name; |
871 | param_spec->slurpy.padoff = padoff; |
872 | continue; |
873 | } |
d8e5d540 |
874 | |
e158cf8f |
875 | if (!(flags & PARAM_NAMED) && count_named_params(param_spec)) { |
876 | 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)); |
877 | } |
d8e5d540 |
878 | |
e158cf8f |
879 | if (flags & PARAM_INVOCANT) { |
880 | if (param_spec->invocant.name) { |
881 | croak("In %"SVf": invalid double invocants %"SVf", %"SVf"", SVfARG(declarator), SVfARG(param_spec->invocant.name), SVfARG(name)); |
882 | } |
883 | if (count_positional_params(param_spec) || count_named_params(param_spec)) { |
884 | croak("In %"SVf": invocant %"SVf" must be first in parameter list", SVfARG(declarator), SVfARG(name)); |
63915d26 |
885 | } |
e158cf8f |
886 | if (!(spec->flags & FLAG_INVOCANT)) { |
887 | croak("In %"SVf": invocant %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
888 | } |
889 | param_spec->invocant.name = name; |
890 | param_spec->invocant.padoff = padoff; |
891 | continue; |
892 | } |
63915d26 |
893 | |
e158cf8f |
894 | if (*init_sentinel && !(spec->flags & FLAG_DEFAULT_ARGS)) { |
895 | croak("In %"SVf": default argument for %"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
896 | } |
1e0f1595 |
897 | |
e158cf8f |
898 | if (ps_contains(aTHX_ param_spec, name)) { |
899 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(name)); |
900 | } |
1e0f1595 |
901 | |
e158cf8f |
902 | if (flags & PARAM_NAMED) { |
903 | if (!(spec->flags & FLAG_NAMED_PARAMS)) { |
904 | croak("In %"SVf": named parameter :%"SVf" not allowed here", SVfARG(declarator), SVfARG(name)); |
1e0f1595 |
905 | } |
906 | |
e158cf8f |
907 | if (*init_sentinel) { |
908 | ParamInit *pi = piv_extend(¶m_spec->named_optional); |
909 | pi->param.name = name; |
910 | pi->param.padoff = padoff; |
911 | pi->init = *init_sentinel; |
912 | *init_sentinel = NULL; |
913 | param_spec->named_optional.used++; |
914 | } else { |
67fc1ddb |
915 | Param *p; |
916 | |
e158cf8f |
917 | if (param_spec->positional_optional.used) { |
918 | 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)); |
919 | } |
d8e5d540 |
920 | |
67fc1ddb |
921 | p = pv_extend(¶m_spec->named_required); |
e158cf8f |
922 | p->name = name; |
923 | p->padoff = padoff; |
924 | param_spec->named_required.used++; |
925 | } |
926 | } else { |
927 | if (*init_sentinel || param_spec->positional_optional.used) { |
928 | ParamInit *pi = piv_extend(¶m_spec->positional_optional); |
929 | pi->param.name = name; |
930 | pi->param.padoff = padoff; |
931 | pi->init = *init_sentinel; |
932 | *init_sentinel = NULL; |
933 | param_spec->positional_optional.used++; |
934 | } else { |
935 | Param *p = pv_extend(¶m_spec->positional_required); |
936 | p->name = name; |
937 | p->padoff = padoff; |
938 | param_spec->positional_required.used++; |
db81d362 |
939 | } |
940 | } |
941 | |
e158cf8f |
942 | } |
943 | lex_read_unichar(0); |
944 | lex_read_space(0); |
945 | *init_sentinel = NULL; |
db81d362 |
946 | |
e158cf8f |
947 | if (!param_spec->invocant.name && SvTRUE(spec->shift)) { |
948 | if (ps_contains(aTHX_ param_spec, spec->shift)) { |
949 | croak("In %"SVf": %"SVf" can't appear twice in the same parameter list", SVfARG(declarator), SVfARG(spec->shift)); |
db81d362 |
950 | } |
e158cf8f |
951 | |
952 | param_spec->invocant.name = spec->shift; |
953 | param_spec->invocant.padoff = pad_add_name_sv(param_spec->invocant.name, 0, NULL, NULL); |
db81d362 |
954 | } |
955 | } |
956 | |
957 | /* prototype */ |
c311cef3 |
958 | proto = NULL; |
db81d362 |
959 | c = lex_peek_unichar(0); |
960 | if (c == ':') { |
961 | lex_read_unichar(0); |
962 | lex_read_space(0); |
963 | |
964 | c = lex_peek_unichar(0); |
965 | if (c != '(') { |
c311cef3 |
966 | lex_stuff_pvs(":", 0); |
967 | c = ':'; |
db81d362 |
968 | } else { |
31534187 |
969 | lex_read_unichar(0); |
e4648f19 |
970 | if (!(proto = my_scan_parens_tail(aTHX_ sen, FALSE))) { |
f34187b8 |
971 | croak("In %"SVf": prototype not terminated", SVfARG(declarator)); |
db81d362 |
972 | } |
e4648f19 |
973 | my_check_prototype(aTHX_ sen, declarator, proto); |
db81d362 |
974 | lex_read_space(0); |
c311cef3 |
975 | c = lex_peek_unichar(0); |
514bcaa6 |
976 | if (!(c == ':' || c == '{')) { |
977 | lex_stuff_pvs(":", 0); |
978 | c = ':'; |
979 | } |
db81d362 |
980 | } |
981 | } |
982 | |
db81d362 |
983 | /* attributes */ |
c311cef3 |
984 | Newx(attrs_sentinel, 1, OP *); |
985 | *attrs_sentinel = NULL; |
e4648f19 |
986 | sentinel_register(sen, attrs_sentinel, free_ptr_op); |
c311cef3 |
987 | |
63915d26 |
988 | if (c == ':' || c == '{') /* '}' - hi, vim */ { |
c311cef3 |
989 | |
990 | /* kludge default attributes in */ |
991 | if (SvTRUE(spec->attrs) && SvPV_nolen(spec->attrs)[0] == ':') { |
992 | lex_stuff_sv(spec->attrs, 0); |
993 | c = ':'; |
994 | } |
b72eb6ee |
995 | |
db81d362 |
996 | if (c == ':') { |
db81d362 |
997 | lex_read_unichar(0); |
998 | lex_read_space(0); |
db81d362 |
999 | c = lex_peek_unichar(0); |
c311cef3 |
1000 | |
1001 | for (;;) { |
1002 | SV *attr; |
1003 | |
e4648f19 |
1004 | if (!(attr = my_scan_word(aTHX_ sen, FALSE))) { |
c311cef3 |
1005 | break; |
db81d362 |
1006 | } |
c311cef3 |
1007 | |
db81d362 |
1008 | lex_read_space(0); |
1009 | c = lex_peek_unichar(0); |
c311cef3 |
1010 | |
1011 | if (c != '(') { |
1012 | if (sv_eq_pvs(attr, "lvalue")) { |
1013 | builtin_attrs |= MY_ATTR_LVALUE; |
1014 | attr = NULL; |
1015 | } else if (sv_eq_pvs(attr, "method")) { |
1016 | builtin_attrs |= MY_ATTR_METHOD; |
1017 | attr = NULL; |
1018 | } |
1019 | } else { |
31534187 |
1020 | SV *sv; |
1021 | lex_read_unichar(0); |
e4648f19 |
1022 | if (!(sv = my_scan_parens_tail(aTHX_ sen, TRUE))) { |
c311cef3 |
1023 | croak("In %"SVf": unterminated attribute parameter in attribute list", SVfARG(declarator)); |
1024 | } |
31534187 |
1025 | sv_catpvs(attr, "("); |
c311cef3 |
1026 | sv_catsv(attr, sv); |
31534187 |
1027 | sv_catpvs(attr, ")"); |
c311cef3 |
1028 | |
1029 | lex_read_space(0); |
1030 | c = lex_peek_unichar(0); |
1031 | } |
1032 | |
1033 | if (attr) { |
fc634bba |
1034 | *attrs_sentinel = op_append_elem(OP_LIST, *attrs_sentinel, mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(attr))); |
c311cef3 |
1035 | } |
1036 | |
1037 | if (c == ':') { |
1038 | lex_read_unichar(0); |
1039 | lex_read_space(0); |
1040 | c = lex_peek_unichar(0); |
1041 | } |
db81d362 |
1042 | } |
1043 | } |
1044 | } |
1045 | |
1046 | /* body */ |
63915d26 |
1047 | if (c != '{') /* '}' - hi, vim */ { |
85bc3fbd |
1048 | croak("In %"SVf": I was expecting a function body, not \"%c\"", SVfARG(declarator), (int)c); |
db81d362 |
1049 | } |
c311cef3 |
1050 | |
63915d26 |
1051 | /* surprise predeclaration! */ |
1052 | if (saw_name) { |
1053 | /* 'sub NAME (PROTO);' to make name/proto known to perl before it |
1054 | starts parsing the body */ |
1055 | const I32 sub_ix = start_subparse(FALSE, 0); |
1056 | SAVEFREESV(PL_compcv); |
1057 | |
1058 | SvREFCNT_inc_simple_void(PL_compcv); |
1059 | |
1060 | newATTRSUB( |
1061 | sub_ix, |
fc634bba |
1062 | mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(saw_name)), |
1063 | proto ? mkconstsv(aTHX_ SvREFCNT_inc_simple_NN(proto)) : NULL, |
63915d26 |
1064 | NULL, |
1065 | NULL |
1066 | ); |
1067 | } |
1068 | |
c311cef3 |
1069 | if (builtin_attrs & MY_ATTR_LVALUE) { |
1070 | CvLVALUE_on(PL_compcv); |
db81d362 |
1071 | } |
c311cef3 |
1072 | if (builtin_attrs & MY_ATTR_METHOD) { |
1073 | CvMETHOD_on(PL_compcv); |
1074 | } |
1075 | if (builtin_attrs & MY_ATTR_SPECIAL) { |
1076 | CvSPECIAL_on(PL_compcv); |
db81d362 |
1077 | } |
1078 | |
e158cf8f |
1079 | /* check number of arguments */ |
1e0f1595 |
1080 | if (spec->flags & FLAG_CHECK_NARGS) { |
e158cf8f |
1081 | int amin, amax; |
abccbe86 |
1082 | |
e158cf8f |
1083 | amin = args_min(aTHX_ param_spec, spec); |
1084 | if (amin > 0) { |
67fc1ddb |
1085 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1086 | |
fc634bba |
1087 | err = mkconstsv(aTHX_ newSVpvf("Not enough arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amin)); |
1088 | err = newBINOP( |
1089 | OP_CONCAT, 0, |
1090 | err, |
1091 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1092 | ); |
1093 | err = newBINOP( |
1094 | OP_CONCAT, 0, |
1095 | err, |
1096 | mkconstpvs(")") |
1097 | ); |
63915d26 |
1098 | |
67fc1ddb |
1099 | xcroak = newCVREF(OPf_WANT_SCALAR, |
1100 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV))); |
1e0f1595 |
1101 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1102 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1103 | |
1e0f1595 |
1104 | cond = newBINOP(OP_LT, 0, |
5f50e017 |
1105 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1106 | mkconstiv(aTHX_ amin)); |
1e0f1595 |
1107 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1108 | |
1e0f1595 |
1109 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1110 | } |
abccbe86 |
1111 | |
e158cf8f |
1112 | amax = args_max(param_spec); |
1113 | if (amax >= 0) { |
67fc1ddb |
1114 | OP *chk, *cond, *err, *xcroak; |
63915d26 |
1115 | |
fc634bba |
1116 | err = mkconstsv(aTHX_ newSVpvf("Too many arguments for %"SVf" (expected %d, got ", SVfARG(declarator), amax)); |
1117 | err = newBINOP( |
1118 | OP_CONCAT, 0, |
1119 | err, |
1120 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)) |
1121 | ); |
1122 | err = newBINOP( |
1123 | OP_CONCAT, 0, |
1124 | err, |
1125 | mkconstpvs(")") |
1126 | ); |
63915d26 |
1127 | |
67fc1ddb |
1128 | xcroak = newCVREF( |
fc634bba |
1129 | OPf_WANT_SCALAR, |
1130 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1131 | ); |
1e0f1595 |
1132 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1133 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1134 | |
fc634bba |
1135 | cond = newBINOP( |
1136 | OP_GT, 0, |
1137 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1138 | mkconstiv(aTHX_ amax) |
1139 | ); |
1e0f1595 |
1140 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1141 | |
1e0f1595 |
1142 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
1143 | } |
e158cf8f |
1144 | |
1145 | if (param_spec && (count_named_params(param_spec) || (param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'))) { |
67fc1ddb |
1146 | OP *chk, *cond, *err, *xcroak; |
e158cf8f |
1147 | const UV fixed = count_positional_params(param_spec) + !!param_spec->invocant.name; |
63915d26 |
1148 | |
fc634bba |
1149 | err = mkconstsv(aTHX_ newSVpvf("Odd number of paired arguments for %"SVf"", SVfARG(declarator))); |
63915d26 |
1150 | |
67fc1ddb |
1151 | xcroak = newCVREF( |
fc634bba |
1152 | OPf_WANT_SCALAR, |
1153 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1154 | ); |
1e0f1595 |
1155 | err = newUNOP(OP_ENTERSUB, OPf_STACKED, |
67fc1ddb |
1156 | op_append_elem(OP_LIST, err, xcroak)); |
63915d26 |
1157 | |
1e0f1595 |
1158 | cond = newBINOP(OP_GT, 0, |
5f50e017 |
1159 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1160 | mkconstiv(aTHX_ fixed)); |
e158cf8f |
1161 | cond = newLOGOP(OP_AND, 0, |
fc634bba |
1162 | cond, |
1163 | newBINOP(OP_MODULO, 0, |
1164 | fixed |
1165 | ? newBINOP(OP_SUBTRACT, 0, |
1166 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1167 | mkconstiv(aTHX_ fixed)) |
1168 | : newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
1169 | mkconstiv(aTHX_ 2))); |
1e0f1595 |
1170 | chk = newLOGOP(OP_AND, 0, cond, err); |
63915d26 |
1171 | |
1e0f1595 |
1172 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, chk)); |
c311cef3 |
1173 | } |
1e0f1595 |
1174 | } |
c311cef3 |
1175 | |
e158cf8f |
1176 | if (!param_spec) { |
1177 | /* my $invocant = shift; */ |
1178 | if (SvTRUE(spec->shift)) { |
1179 | OP *var; |
abccbe86 |
1180 | |
e158cf8f |
1181 | var = my_var( |
1182 | aTHX_ |
1183 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1184 | pad_add_name_sv(spec->shift, 0, NULL, NULL) |
1185 | ); |
1186 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
c311cef3 |
1187 | |
e158cf8f |
1188 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1189 | } |
1190 | } else { |
1191 | /* my $invocant = shift; */ |
1192 | if (param_spec->invocant.name) { |
1193 | OP *var; |
c311cef3 |
1194 | |
e158cf8f |
1195 | var = my_var( |
1196 | aTHX_ |
1197 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1198 | param_spec->invocant.padoff |
1199 | ); |
1200 | var = newASSIGNOP(OPf_STACKED, var, 0, newOP(OP_SHIFT, 0)); |
1e0f1595 |
1201 | |
e158cf8f |
1202 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
c311cef3 |
1203 | } |
1204 | |
e158cf8f |
1205 | /* my (...) = @_; */ |
1206 | { |
1207 | OP *lhs; |
1208 | size_t i, lim; |
63915d26 |
1209 | |
e158cf8f |
1210 | lhs = NULL; |
63915d26 |
1211 | |
e158cf8f |
1212 | for (i = 0, lim = param_spec->positional_required.used; i < lim; i++) { |
1213 | OP *const var = my_var( |
1214 | aTHX_ |
1215 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1216 | param_spec->positional_required.data[i].padoff |
1217 | ); |
1218 | lhs = op_append_elem(OP_LIST, lhs, var); |
1219 | } |
63915d26 |
1220 | |
e158cf8f |
1221 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1222 | OP *const var = my_var( |
1223 | aTHX_ |
1224 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
1225 | param_spec->positional_optional.data[i].param.padoff |
1226 | ); |
1227 | lhs = op_append_elem(OP_LIST, lhs, var); |
1228 | } |
63915d26 |
1229 | |
fc634bba |
1230 | { |
1231 | PADOFFSET padoff; |
1232 | I32 type; |
1233 | bool slurpy_hash; |
1234 | |
1235 | /* |
1236 | * cases: |
1237 | * 1) no named params |
1238 | * 1.1) slurpy |
1239 | * => put it in |
1240 | * 1.2) no slurpy |
1241 | * => nop |
1242 | * 2) named params |
1243 | * 2.1) no slurpy |
1244 | * => synthetic %{rest} |
1245 | * 2.2) slurpy is a hash |
1246 | * => put it in |
1247 | * 2.3) slurpy is an array |
1248 | * => synthetic %{rest} |
1249 | * remember to declare array later |
1250 | */ |
1251 | |
1252 | slurpy_hash = param_spec->slurpy.name && SvPV_nolen(param_spec->slurpy.name)[0] == '%'; |
1253 | if (!count_named_params(param_spec)) { |
1254 | if (param_spec->slurpy.name) { |
1255 | padoff = param_spec->slurpy.padoff; |
1256 | type = slurpy_hash ? OP_PADHV : OP_PADAV; |
1257 | } else { |
1258 | padoff = NOT_IN_PAD; |
1259 | type = OP_PADSV; |
1260 | } |
1261 | } else if (slurpy_hash) { |
1262 | padoff = param_spec->slurpy.padoff; |
1263 | type = OP_PADHV; |
e158cf8f |
1264 | } else { |
fc634bba |
1265 | padoff = param_spec->rest_hash = pad_add_name_pvs("%{rest}", 0, NULL, NULL); |
1266 | type = OP_PADHV; |
1267 | } |
1268 | |
1269 | if (padoff != NOT_IN_PAD) { |
e158cf8f |
1270 | OP *const var = my_var_g( |
1271 | aTHX_ |
fc634bba |
1272 | type, |
e158cf8f |
1273 | OPf_WANT_LIST | (OPpLVAL_INTRO << 8), |
fc634bba |
1274 | padoff |
e158cf8f |
1275 | ); |
fc634bba |
1276 | |
e158cf8f |
1277 | lhs = op_append_elem(OP_LIST, lhs, var); |
fc634bba |
1278 | |
1279 | if (type == OP_PADHV) { |
1280 | param_spec->rest_hash = padoff; |
1281 | } |
e158cf8f |
1282 | } |
1283 | } |
63915d26 |
1284 | |
e158cf8f |
1285 | if (lhs) { |
1286 | OP *rhs; |
1287 | lhs->op_flags |= OPf_PARENS; |
1288 | rhs = newAVREF(newGVOP(OP_GV, 0, PL_defgv)); |
1289 | |
1290 | *prelude_sentinel = op_append_list( |
1291 | OP_LINESEQ, *prelude_sentinel, |
1292 | newSTATEOP( |
1293 | 0, NULL, |
1294 | newASSIGNOP(OPf_STACKED, lhs, 0, rhs) |
1295 | ) |
1296 | ); |
1297 | } |
1298 | } |
63915d26 |
1299 | |
fc634bba |
1300 | /* default positional arguments */ |
e158cf8f |
1301 | { |
1302 | size_t i, lim, req; |
1303 | OP *nest; |
63915d26 |
1304 | |
e158cf8f |
1305 | nest = NULL; |
63915d26 |
1306 | |
e158cf8f |
1307 | req = param_spec->positional_required.used; |
1308 | for (i = 0, lim = param_spec->positional_optional.used; i < lim; i++) { |
1309 | ParamInit *cur = ¶m_spec->positional_optional.data[i]; |
1310 | OP *var, *cond; |
63915d26 |
1311 | |
e158cf8f |
1312 | cond = newBINOP( |
1313 | OP_LT, 0, |
1314 | newAVREF(newGVOP(OP_GV, 0, PL_defgv)), |
fc634bba |
1315 | mkconstiv(aTHX_ req + i + 1) |
e158cf8f |
1316 | ); |
63915d26 |
1317 | |
e158cf8f |
1318 | var = my_var(aTHX_ 0, cur->param.padoff); |
63915d26 |
1319 | |
e158cf8f |
1320 | nest = op_append_list( |
1321 | OP_LINESEQ, nest, |
1322 | newASSIGNOP(OPf_STACKED, var, 0, cur->init) |
1323 | ); |
1324 | cur->init = NULL; |
1325 | nest = newCONDOP( |
1326 | 0, |
1327 | cond, |
1328 | nest, |
1329 | NULL |
1330 | ); |
1331 | } |
1e0f1595 |
1332 | |
e158cf8f |
1333 | *prelude_sentinel = op_append_list( |
1334 | OP_LINESEQ, *prelude_sentinel, |
1335 | nest |
1336 | ); |
c311cef3 |
1337 | } |
1338 | |
e158cf8f |
1339 | /* named parameters */ |
1340 | if (count_named_params(param_spec)) { |
fc634bba |
1341 | size_t i, lim; |
1342 | |
1343 | assert(param_spec->rest_hash != NOT_IN_PAD); |
1344 | |
1345 | for (i = 0, lim = param_spec->named_required.used; i < lim; i++) { |
1346 | Param *cur = ¶m_spec->named_required.data[i]; |
1347 | size_t n; |
1348 | char *p = SvPV(cur->name, n); |
1349 | OP *var, *cond; |
1350 | |
1351 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1352 | |
1353 | if (spec->flags & FLAG_CHECK_NARGS) { |
67fc1ddb |
1354 | OP *xcroak, *msg; |
fc634bba |
1355 | |
1356 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1357 | var = newUNOP(OP_DELETE, 0, var); |
1358 | |
1359 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": missing named parameter: %.*s", SVfARG(declarator), (int)(n - 1), p + 1)); |
67fc1ddb |
1360 | xcroak = newCVREF( |
fc634bba |
1361 | OPf_WANT_SCALAR, |
1362 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1363 | ); |
67fc1ddb |
1364 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1365 | |
1366 | cond = newUNOP(OP_EXISTS, 0, cond); |
1367 | |
67fc1ddb |
1368 | cond = newCONDOP(0, cond, var, xcroak); |
fc634bba |
1369 | } |
1370 | |
1371 | var = my_var( |
1372 | aTHX_ |
1373 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1374 | cur->padoff |
1375 | ); |
1376 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1377 | |
1378 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1379 | } |
1380 | |
1381 | for (i = 0, lim = param_spec->named_optional.used; i < lim; i++) { |
1382 | ParamInit *cur = ¶m_spec->named_optional.data[i]; |
1383 | size_t n; |
1384 | char *p = SvPV(cur->param.name, n); |
1385 | OP *var, *cond; |
1386 | |
1387 | var = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1388 | var = newUNOP(OP_DELETE, 0, var); |
1389 | |
1390 | cond = mkhvelem(aTHX_ param_spec->rest_hash, mkconstpv(aTHX_ p + 1, n - 1)); |
1391 | cond = newUNOP(OP_EXISTS, 0, cond); |
1392 | |
1393 | cond = newCONDOP(0, cond, var, cur->init); |
1394 | cur->init = NULL; |
1395 | |
1396 | var = my_var( |
1397 | aTHX_ |
1398 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1399 | cur->param.padoff |
1400 | ); |
1401 | var = newASSIGNOP(OPf_STACKED, var, 0, cond); |
1402 | |
1403 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1404 | } |
1405 | |
1406 | if (!param_spec->slurpy.name) { |
1407 | if (spec->flags & FLAG_CHECK_NARGS) { |
1408 | /* croak if %{rest} */ |
67fc1ddb |
1409 | OP *xcroak, *cond, *keys, *msg; |
fc634bba |
1410 | |
1411 | keys = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1412 | keys = newLISTOP(OP_SORT, 0, newOP(OP_PUSHMARK, 0), keys); |
1413 | { |
1414 | OP *first, *mid, *last; |
1415 | |
1416 | last = keys; |
1417 | |
1418 | mid = mkconstpvs(", "); |
1419 | mid->op_sibling = last; |
1420 | |
1421 | first = newOP(OP_PUSHMARK, 0); |
1422 | |
1423 | keys = newLISTOP(OP_JOIN, 0, first, mid); |
1424 | keys->op_targ = pad_alloc(OP_JOIN, SVs_PADTMP); |
1425 | ((LISTOP *)keys)->op_last = last; |
1426 | } |
1427 | |
1428 | msg = mkconstsv(aTHX_ newSVpvf("In %"SVf": no such named parameter: ", SVfARG(declarator))); |
1429 | msg = newBINOP(OP_CONCAT, 0, msg, keys); |
1430 | |
67fc1ddb |
1431 | xcroak = newCVREF( |
fc634bba |
1432 | OPf_WANT_SCALAR, |
1433 | newGVOP(OP_GV, 0, gv_fetchpvs("Carp::croak", 0, SVt_PVCV)) |
1434 | ); |
67fc1ddb |
1435 | xcroak = newUNOP(OP_ENTERSUB, OPf_STACKED, op_append_elem(OP_LIST, msg, xcroak)); |
fc634bba |
1436 | |
1437 | cond = newUNOP(OP_KEYS, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
67fc1ddb |
1438 | xcroak = newCONDOP(0, cond, xcroak, NULL); |
fc634bba |
1439 | |
67fc1ddb |
1440 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, xcroak)); |
fc634bba |
1441 | } else { |
1442 | OP *clear; |
1443 | |
1444 | clear = newASSIGNOP( |
1445 | OPf_STACKED, |
1446 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1447 | 0, |
1448 | newNULLLIST() |
1449 | ); |
1450 | |
1451 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear)); |
1452 | } |
1453 | } else if (param_spec->slurpy.padoff != param_spec->rest_hash) { |
1454 | OP *var, *clear; |
1455 | |
1456 | assert(SvPV_nolen(param_spec->slurpy.name)[0] == '@'); |
1457 | |
1458 | var = my_var_g( |
1459 | aTHX_ |
1460 | OP_PADAV, |
1461 | OPf_MOD | (OPpLVAL_INTRO << 8), |
1462 | param_spec->slurpy.padoff |
1463 | ); |
1464 | |
1465 | var = newASSIGNOP(OPf_STACKED, var, 0, my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash)); |
1466 | |
1467 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, var)); |
1468 | |
1469 | clear = newASSIGNOP( |
1470 | OPf_STACKED, |
1471 | my_var_g(aTHX_ OP_PADHV, 0, param_spec->rest_hash), |
1472 | 0, |
1473 | newNULLLIST() |
1474 | ); |
1475 | |
1476 | *prelude_sentinel = op_append_list(OP_LINESEQ, *prelude_sentinel, newSTATEOP(0, NULL, clear)); |
1477 | } |
1478 | } |
1e0f1595 |
1479 | } |
c311cef3 |
1480 | |
1e0f1595 |
1481 | /* finally let perl parse the actual subroutine body */ |
1482 | body = parse_block(0); |
c311cef3 |
1483 | |
1e0f1595 |
1484 | /* add '();' to make function return nothing by default */ |
1485 | /* (otherwise the invisible parameter initialization can "leak" into |
1486 | the return value: fun ($x) {}->("asdf", 0) == 2) */ |
1487 | if (*prelude_sentinel) { |
1488 | body = newSTATEOP(0, NULL, body); |
db81d362 |
1489 | } |
1490 | |
1e0f1595 |
1491 | body = op_append_list(OP_LINESEQ, *prelude_sentinel, body); |
1492 | *prelude_sentinel = NULL; |
1493 | |
c311cef3 |
1494 | /* it's go time. */ |
1495 | { |
1496 | OP *const attrs = *attrs_sentinel; |
1497 | *attrs_sentinel = NULL; |
1498 | SvREFCNT_inc_simple_void(PL_compcv); |
1499 | |
63915d26 |
1500 | /* close outer block: '}' */ |
1501 | S_block_end(aTHX_ save_ix, body); |
1502 | |
c311cef3 |
1503 | if (!saw_name) { |
1504 | *pop = newANONATTRSUB( |
1505 | floor_ix, |
1506 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1507 | attrs, |
1508 | body |
1509 | ); |
1510 | return KEYWORD_PLUGIN_EXPR; |
1511 | } |
1512 | |
1513 | newATTRSUB( |
1514 | floor_ix, |
1515 | newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(saw_name)), |
1516 | proto ? newSVOP(OP_CONST, 0, SvREFCNT_inc_simple_NN(proto)) : NULL, |
1517 | attrs, |
1518 | body |
1519 | ); |
5efe0e0e |
1520 | *pop = newOP(OP_NULL, 0); |
c311cef3 |
1521 | return KEYWORD_PLUGIN_STMT; |
db81d362 |
1522 | } |
db81d362 |
1523 | } |
1524 | |
1525 | static int my_keyword_plugin(pTHX_ char *keyword_ptr, STRLEN keyword_len, OP **op_ptr) { |
63915d26 |
1526 | KWSpec spec; |
db81d362 |
1527 | int ret; |
e4648f19 |
1528 | Sentinel sen = { NULL }; |
db81d362 |
1529 | |
e4648f19 |
1530 | ENTER; |
db81d362 |
1531 | SAVETMPS; |
1532 | |
e4648f19 |
1533 | SAVEDESTRUCTOR_X(sentinel_clear_void, sen); |
1534 | |
1535 | if (kw_flags(aTHX_ sen, keyword_ptr, keyword_len, &spec)) { |
1536 | ret = parse_fun(aTHX_ sen, op_ptr, keyword_ptr, keyword_len, &spec); |
db81d362 |
1537 | } else { |
7dd35535 |
1538 | ret = next_keyword_plugin(aTHX_ keyword_ptr, keyword_len, op_ptr); |
db81d362 |
1539 | } |
1540 | |
1541 | FREETMPS; |
e4648f19 |
1542 | LEAVE; |
db81d362 |
1543 | |
1544 | return ret; |
1545 | } |
1546 | |
1547 | WARNINGS_RESET |
1548 | |
1549 | MODULE = Function::Parameters PACKAGE = Function::Parameters |
1550 | PROTOTYPES: ENABLE |
1551 | |
1552 | BOOT: |
1553 | WARNINGS_ENABLE { |
1554 | HV *const stash = gv_stashpvs(MY_PKG, GV_ADD); |
426a4d69 |
1555 | /**/ |
d8e5d540 |
1556 | newCONSTSUB(stash, "FLAG_NAME_OK", newSViv(FLAG_NAME_OK)); |
1557 | newCONSTSUB(stash, "FLAG_ANON_OK", newSViv(FLAG_ANON_OK)); |
63915d26 |
1558 | newCONSTSUB(stash, "FLAG_DEFAULT_ARGS", newSViv(FLAG_DEFAULT_ARGS)); |
d8e5d540 |
1559 | newCONSTSUB(stash, "FLAG_CHECK_NARGS", newSViv(FLAG_CHECK_NARGS)); |
1560 | newCONSTSUB(stash, "FLAG_INVOCANT", newSViv(FLAG_INVOCANT)); |
e158cf8f |
1561 | newCONSTSUB(stash, "FLAG_NAMED_PARAMS", newSViv(FLAG_NAMED_PARAMS)); |
db81d362 |
1562 | newCONSTSUB(stash, "HINTK_KEYWORDS", newSVpvs(HINTK_KEYWORDS)); |
d8e5d540 |
1563 | newCONSTSUB(stash, "HINTK_FLAGS_", newSVpvs(HINTK_FLAGS_)); |
1564 | newCONSTSUB(stash, "HINTK_SHIFT_", newSVpvs(HINTK_SHIFT_)); |
1565 | newCONSTSUB(stash, "HINTK_ATTRS_", newSVpvs(HINTK_ATTRS_)); |
426a4d69 |
1566 | /**/ |
db81d362 |
1567 | next_keyword_plugin = PL_keyword_plugin; |
1568 | PL_keyword_plugin = my_keyword_plugin; |
1569 | } WARNINGS_RESET |