| 1 | package cf; |
1 | package cf; |
| 2 | |
2 | |
| 3 | use Symbol; |
3 | use Symbol; |
| 4 | use List::Util; |
4 | use List::Util; |
|
|
5 | use Storable; |
|
|
6 | use Opcode; |
|
|
7 | use Safe; |
|
|
8 | use Safe::Hole; |
|
|
9 | |
|
|
10 | use Time::HiRes; |
|
|
11 | use Event; |
|
|
12 | $Event::Eval = 1; # no idea why this is required, but it is |
| 5 | |
13 | |
| 6 | use strict; |
14 | use strict; |
| 7 | |
15 | |
| 8 | our %COMMAND; |
16 | our %COMMAND; |
| 9 | our @EVENT; |
17 | our @EVENT; |
| 10 | our %PROP_TYPE; |
18 | our %PROP_TYPE; |
| 11 | our %PROP_IDX; |
19 | our %PROP_IDX; |
|
|
20 | our $LIBDIR = maps_directory "perl"; |
| 12 | |
21 | |
| 13 | BEGIN { |
22 | BEGIN { |
| 14 | @EVENT = map lc, @EVENT; |
23 | @EVENT = map lc, @EVENT; |
| 15 | |
24 | |
| 16 | *CORE::GLOBAL::warn = sub { |
25 | *CORE::GLOBAL::warn = sub { |
| … | |
… | |
| 21 | print STDERR "cfperl: $msg"; |
30 | print STDERR "cfperl: $msg"; |
| 22 | LOG llevError, "cfperl: $msg"; |
31 | LOG llevError, "cfperl: $msg"; |
| 23 | }; |
32 | }; |
| 24 | } |
33 | } |
| 25 | |
34 | |
|
|
35 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
|
|
36 | |
| 26 | # generate property mutators |
37 | # generate property mutators |
| 27 | sub prop_gen { |
38 | sub prop_gen { |
| 28 | my ($prefix, $class) = @_; |
39 | my ($prefix, $class) = @_; |
| 29 | |
40 | |
| 30 | no strict 'refs'; |
41 | no strict 'refs'; |
| … | |
… | |
| 40 | $_[0]->get_property ($type, $idx) |
51 | $_[0]->get_property ($type, $idx) |
| 41 | }; |
52 | }; |
| 42 | |
53 | |
| 43 | *{"$class\::set_$sub"} = sub { |
54 | *{"$class\::set_$sub"} = sub { |
| 44 | $_[0]->set_property ($type, $idx, $_[1]); |
55 | $_[0]->set_property ($type, $idx, $_[1]); |
| 45 | }; |
56 | } unless $ignore_set{$prop}; |
| 46 | } |
57 | } |
| 47 | } |
58 | } |
| 48 | |
59 | |
| 49 | # auto-generate most of the API |
60 | # auto-generate most of the API |
| 50 | |
61 | |
| … | |
… | |
| 55 | prop_gen MAP_PROP => "cf::map"; |
66 | prop_gen MAP_PROP => "cf::map"; |
| 56 | prop_gen ARCH_PROP => "cf::arch"; |
67 | prop_gen ARCH_PROP => "cf::arch"; |
| 57 | |
68 | |
| 58 | # guessed hierarchies |
69 | # guessed hierarchies |
| 59 | |
70 | |
| 60 | @cf::object::player::ISA = 'cf::object'; |
71 | @ext::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; |
| 61 | @cf::object::map::ISA = 'cf::object'; |
72 | @ext::cf::object::map::ISA = @cf::object::map::ISA = 'cf::object'; |
| 62 | |
73 | |
|
|
74 | # we bless all objects into derived classes to force a method lookup |
|
|
75 | # within the Safe compartment. |
|
|
76 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
|
|
77 | no strict 'refs'; |
|
|
78 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
|
79 | } |
|
|
80 | |
|
|
81 | $Event::DIED = sub { |
|
|
82 | warn "error in event callback: @_"; |
|
|
83 | }; |
|
|
84 | |
|
|
85 | my %ext_pkg; |
| 63 | my @exts; |
86 | my @exts; |
| 64 | my @hook; |
87 | my @hook; |
| 65 | my %command; |
88 | my %command; |
|
|
89 | my %extcmd; |
| 66 | |
90 | |
| 67 | sub inject_event { |
91 | sub inject_event { |
| 68 | my ($data) = @_; |
92 | my $extension = shift; |
|
|
93 | my $event_code = shift; |
| 69 | |
94 | |
| 70 | my $cb = $hook[$data->{event_code}] |
95 | my $cb = $hook[$event_code]{$extension} |
| 71 | or return; |
96 | or return; |
| 72 | |
97 | |
| 73 | $_->($data) for values %$cb; |
98 | &$cb |
|
|
99 | } |
| 74 | |
100 | |
| 75 | () |
101 | sub inject_global_event { |
|
|
102 | my $event = shift; |
|
|
103 | |
|
|
104 | my $cb = $hook[$event] |
|
|
105 | or return; |
|
|
106 | |
|
|
107 | List::Util::max map &$_, values %$cb |
| 76 | } |
108 | } |
| 77 | |
109 | |
| 78 | sub inject_command { |
110 | sub inject_command { |
| 79 | my ($name, $obj, $params) = @_; |
111 | my ($name, $obj, $params) = @_; |
| 80 | |
112 | |
| … | |
… | |
| 87 | |
119 | |
| 88 | sub register_command { |
120 | sub register_command { |
| 89 | my ($name, $time, $cb) = @_; |
121 | my ($name, $time, $cb) = @_; |
| 90 | |
122 | |
| 91 | my $caller = caller; |
123 | my $caller = caller; |
|
|
124 | #warn "registering command '$name/$time' to '$caller'"; |
| 92 | |
125 | |
| 93 | push @{ $command{$name} }, [$time, $cb, $caller]; |
126 | push @{ $command{$name} }, [$time, $cb, $caller]; |
| 94 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
127 | $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
| 95 | } |
128 | } |
| 96 | |
129 | |
|
|
130 | sub register_extcmd { |
|
|
131 | my ($name, $cb) = @_; |
|
|
132 | |
|
|
133 | my $caller = caller; |
|
|
134 | #warn "registering extcmd '$name' to '$caller'"; |
|
|
135 | |
|
|
136 | $extcmd{$name} = [$cb, $caller]; |
|
|
137 | } |
|
|
138 | |
|
|
139 | sub register { |
|
|
140 | my ($base, $pkg) = @_; |
|
|
141 | |
|
|
142 | for my $idx (0 .. $#EVENT) { |
|
|
143 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
|
|
144 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
|
|
145 | $hook[$idx]{$base} = $ref; |
|
|
146 | } |
|
|
147 | } |
|
|
148 | } |
|
|
149 | |
| 97 | sub load_extension { |
150 | sub load_extension { |
| 98 | my ($path) = @_; |
151 | my ($path) = @_; |
| 99 | |
152 | |
| 100 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
153 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
|
|
154 | my $base = $1; |
| 101 | my $pkg = $1; |
155 | my $pkg = $1; |
| 102 | $pkg =~ s/[^[:word:]]/_/g; |
156 | $pkg =~ s/[^[:word:]]/_/g; |
| 103 | $pkg = "cf::ext::$pkg"; |
157 | $pkg = "cf::ext::$pkg"; |
| 104 | |
158 | |
| 105 | warn "loading '$path' into '$pkg'\n"; |
159 | warn "loading '$path' into '$pkg'\n"; |
| … | |
… | |
| 115 | |
169 | |
| 116 | eval $source |
170 | eval $source |
| 117 | or die "$path: $@"; |
171 | or die "$path: $@"; |
| 118 | |
172 | |
| 119 | push @exts, $pkg; |
173 | push @exts, $pkg; |
|
|
174 | $ext_pkg{$base} = $pkg; |
| 120 | |
175 | |
| 121 | no strict 'refs'; |
176 | # no strict 'refs'; |
| 122 | |
|
|
| 123 | # @{"$pkg\::ISA"} = cf::ext::; |
177 | # @{"$pkg\::ISA"} = ext::; |
| 124 | |
178 | |
| 125 | for my $idx (0 .. $#EVENT) { |
179 | register $base, $pkg; |
| 126 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
|
|
| 127 | warn "registering $EVENT[$idx] hook\n"; |
|
|
| 128 | $hook[$idx]{$pkg} = $ref; |
|
|
| 129 | } |
|
|
| 130 | } |
|
|
| 131 | } |
180 | } |
| 132 | |
181 | |
| 133 | sub unload_extension { |
182 | sub unload_extension { |
| 134 | my ($pkg) = @_; |
183 | my ($pkg) = @_; |
| 135 | |
184 | |
| … | |
… | |
| 151 | delete $command{$name}; |
200 | delete $command{$name}; |
| 152 | delete $COMMAND{"$name\000"}; |
201 | delete $COMMAND{"$name\000"}; |
| 153 | } |
202 | } |
| 154 | } |
203 | } |
| 155 | |
204 | |
|
|
205 | # remove extcmds |
|
|
206 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
|
|
207 | delete $extcmd{$name}; |
|
|
208 | } |
|
|
209 | |
|
|
210 | if (my $cb = $pkg->can ("on_unload")) { |
|
|
211 | eval { |
|
|
212 | $cb->($pkg); |
|
|
213 | 1 |
|
|
214 | } or warn "$pkg unloaded, but with errors: $@"; |
|
|
215 | } |
|
|
216 | |
| 156 | Symbol::delete_package $pkg; |
217 | Symbol::delete_package $pkg; |
| 157 | } |
218 | } |
| 158 | |
219 | |
| 159 | sub load_extensions { |
220 | sub load_extensions { |
| 160 | my $LIBDIR = maps_directory "perl"; |
221 | my $LIBDIR = maps_directory "perl"; |
| 161 | |
222 | |
| 162 | for my $ext (<$LIBDIR/*.ext>) { |
223 | for my $ext (<$LIBDIR/*.ext>) { |
|
|
224 | next unless -r $ext; |
|
|
225 | eval { |
| 163 | load_extension $ext; |
226 | load_extension $ext; |
|
|
227 | 1 |
|
|
228 | } or warn "$ext not loaded: $@"; |
| 164 | } |
229 | } |
| 165 | } |
230 | } |
| 166 | |
231 | |
| 167 | register_command "perl-reload", 0, sub { |
232 | register_command "perl-reload", 0, sub { |
| 168 | my ($who, $arg) = @_; |
233 | my ($who, $arg) = @_; |
| 169 | |
234 | |
| 170 | if ($who->flag (FLAG_WIZ)) { |
235 | if ($who->flag (FLAG_WIZ)) { |
|
|
236 | $who->message ("reloading..."); |
|
|
237 | |
| 171 | warn "reloading...\n"; |
238 | warn "reloading...\n"; |
| 172 | unload_extension $_ for @exts; |
239 | eval { |
| 173 | @exts = 0; |
240 | # 1. cancel all watchers |
|
|
241 | $_->cancel for Event::all_watchers; |
|
|
242 | |
|
|
243 | # 2. unload all extensions |
|
|
244 | for (@exts) { |
|
|
245 | $who->message ("unloading <$_>"); |
| 174 | load_extensions; |
246 | unload_extension $_; |
|
|
247 | } |
|
|
248 | |
|
|
249 | # 3. unload all modules loaded from $LIBDIR |
|
|
250 | while (my ($k, $v) = each %INC) { |
|
|
251 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
|
|
252 | |
|
|
253 | $who->message ("removing <$k>"); |
|
|
254 | delete $INC{$k}; |
|
|
255 | |
|
|
256 | $k =~ s/\.pm$//; |
|
|
257 | $k =~ s/\//::/g; |
|
|
258 | |
|
|
259 | if (my $cb = $k->can ("unload_module")) { |
|
|
260 | $cb->(); |
|
|
261 | } |
|
|
262 | |
|
|
263 | Symbol::delete_package $k; |
|
|
264 | } |
|
|
265 | |
|
|
266 | # 4. get rid of ext::, as good as possible |
|
|
267 | Symbol::delete_package "ext::$_" |
|
|
268 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
|
|
269 | |
|
|
270 | # 5. remove register_script_function callbacks |
|
|
271 | # TODO |
|
|
272 | |
|
|
273 | # 6. unload cf.pm "a bit" |
|
|
274 | delete $INC{"cf.pm"}; |
|
|
275 | |
|
|
276 | # don't, removes xs symbols, too |
|
|
277 | #Symbol::delete_package __PACKAGE__; |
|
|
278 | |
|
|
279 | # 7. reload cf.pm |
|
|
280 | $who->message ("reloading cf.pm"); |
|
|
281 | require cf; |
|
|
282 | }; |
|
|
283 | warn $@ if $@; |
|
|
284 | $who->message ($@) if $@; |
| 175 | warn "reloaded\n"; |
285 | warn "reloaded\n"; |
|
|
286 | |
|
|
287 | $who->message ("reloaded"); |
|
|
288 | } else { |
|
|
289 | $who->message ("Intruder Alert!"); |
|
|
290 | } |
|
|
291 | }; |
|
|
292 | |
|
|
293 | ############################################################################# |
|
|
294 | # utility functions |
|
|
295 | |
|
|
296 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
|
297 | |
|
|
298 | sub from_json($) { |
|
|
299 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
|
300 | JSON::Syck::Load $_[0] |
|
|
301 | } |
|
|
302 | |
|
|
303 | sub to_json($) { |
|
|
304 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
|
305 | JSON::Syck::Dump $_[0] |
|
|
306 | } |
|
|
307 | |
|
|
308 | ############################################################################# |
|
|
309 | # extcmd framework, basically convert ext <msg> |
|
|
310 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
|
311 | |
|
|
312 | sub on_extcmd { |
|
|
313 | my ($pl, $buf) = @_; |
|
|
314 | |
|
|
315 | my $msg = eval { from_json $buf }; |
|
|
316 | |
|
|
317 | if (ref $msg) { |
|
|
318 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
|
319 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
|
320 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
|
321 | } |
|
|
322 | } |
|
|
323 | } else { |
|
|
324 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
|
325 | } |
|
|
326 | |
| 176 | } |
327 | 1 |
|
|
328 | } |
|
|
329 | |
|
|
330 | ############################################################################# |
|
|
331 | # load/save/clean perl data associated with a map |
|
|
332 | |
|
|
333 | *on_mapclean = sub { |
|
|
334 | my ($map) = @_; |
|
|
335 | |
|
|
336 | my $path = $map->tmpname; |
|
|
337 | defined $path or return; |
|
|
338 | |
|
|
339 | unlink "$path.cfperl"; |
| 177 | }; |
340 | }; |
|
|
341 | |
|
|
342 | *on_mapin = |
|
|
343 | *on_mapload = sub { |
|
|
344 | my ($map) = @_; |
|
|
345 | |
|
|
346 | my $path = $map->tmpname; |
|
|
347 | $path = $map->path unless defined $path; |
|
|
348 | |
|
|
349 | open my $fh, "<:raw", "$path.cfperl" |
|
|
350 | or return; # no perl data |
|
|
351 | |
|
|
352 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
|
353 | |
|
|
354 | $data->{version} <= 1 |
|
|
355 | or return; # too new |
|
|
356 | |
|
|
357 | $map->_set_obs ($data->{obs}); |
|
|
358 | }; |
|
|
359 | |
|
|
360 | *on_mapout = sub { |
|
|
361 | my ($map) = @_; |
|
|
362 | |
|
|
363 | my $path = $map->tmpname; |
|
|
364 | $path = $map->path unless defined $path; |
|
|
365 | |
|
|
366 | my $obs = $map->_get_obs; |
|
|
367 | |
|
|
368 | if (defined $obs) { |
|
|
369 | open my $fh, ">:raw", "$path.cfperl" |
|
|
370 | or die "$path.cfperl: $!"; |
|
|
371 | |
|
|
372 | stat $path; |
|
|
373 | |
|
|
374 | print $fh Storable::nfreeze { |
|
|
375 | size => (stat _)[7], |
|
|
376 | time => (stat _)[9], |
|
|
377 | version => 1, |
|
|
378 | obs => $obs, |
|
|
379 | }; |
|
|
380 | |
|
|
381 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
|
382 | } else { |
|
|
383 | unlink "$path.cfperl"; |
|
|
384 | } |
|
|
385 | }; |
|
|
386 | |
|
|
387 | ############################################################################# |
|
|
388 | # load/save perl data associated with player->ob objects |
|
|
389 | |
|
|
390 | *on_player_load = sub { |
|
|
391 | my ($ob, $path) = @_; |
|
|
392 | |
|
|
393 | for my $o ($ob, $ob->inv) { |
|
|
394 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
|
395 | $o->set_ob_key_value ("_perl_data"); |
|
|
396 | |
|
|
397 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
398 | } |
|
|
399 | } |
|
|
400 | }; |
|
|
401 | |
|
|
402 | *on_player_save = sub { |
|
|
403 | my ($ob, $path) = @_; |
|
|
404 | |
|
|
405 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
406 | for grep %$_, $ob, $ob->inv; |
|
|
407 | }; |
|
|
408 | |
|
|
409 | ############################################################################# |
|
|
410 | # core extensions - in perl |
|
|
411 | |
|
|
412 | my $delta_timer = Event->timer ( |
|
|
413 | parked => 1, |
|
|
414 | prio => Event::PRIO_HIGH, |
|
|
415 | cb => sub { Event::unloop (undef) }, |
|
|
416 | ); |
|
|
417 | |
|
|
418 | sub sleep_delta($) { |
|
|
419 | $delta_timer->at (Event::time + $_[0]); |
|
|
420 | $delta_timer->start; |
|
|
421 | Event::loop; |
|
|
422 | } |
|
|
423 | |
|
|
424 | =item cf::player::exists $login |
|
|
425 | |
|
|
426 | Returns true when the given account exists. |
|
|
427 | |
|
|
428 | =cut |
|
|
429 | |
|
|
430 | sub cf::player::exists($) { |
|
|
431 | cf::player::find $_[0] |
|
|
432 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
433 | } |
|
|
434 | |
|
|
435 | =item $player->reply ($npc, $msg[, $flags]) |
|
|
436 | |
|
|
437 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
|
438 | can be C<undef>. Does the right thing when the player is currently in a |
|
|
439 | dialogue with the given NPC character. |
|
|
440 | |
|
|
441 | =cut |
|
|
442 | |
|
|
443 | # rough implementation of a future "reply" method that works |
|
|
444 | # with dialog boxes. |
|
|
445 | sub cf::object::player::reply($$$;$) { |
|
|
446 | my ($self, $npc, $msg, $flags) = @_; |
|
|
447 | |
|
|
448 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
|
449 | |
|
|
450 | if ($self->{record_replies}) { |
|
|
451 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
452 | } else { |
|
|
453 | $msg = $npc->name . " says: $msg" if $npc; |
|
|
454 | $self->message ($msg, $flags); |
|
|
455 | } |
|
|
456 | } |
|
|
457 | |
|
|
458 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
459 | |
|
|
460 | Sends an ext reply to the player. |
|
|
461 | |
|
|
462 | =cut |
|
|
463 | |
|
|
464 | sub cf::player::ext_reply($$$%) { |
|
|
465 | my ($self, $id, %msg) = @_; |
|
|
466 | |
|
|
467 | $msg{msgid} = $id; |
|
|
468 | |
|
|
469 | $self->send ("ext " . to_json \%msg); |
|
|
470 | } |
|
|
471 | |
|
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472 | ############################################################################# |
|
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473 | # map scripting support |
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474 | |
|
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475 | our $safe = new Safe "ext"; |
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476 | our $safe_hole = new Safe::Hole; |
|
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477 | |
|
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478 | $SIG{FPE} = 'IGNORE'; |
|
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479 | |
|
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480 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
|
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481 | |
|
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482 | # here we export the classes and methods available to script code |
|
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483 | |
|
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484 | for ( |
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485 | ["cf::object" => qw(contr pay_amount pay_player)], |
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486 | ["cf::object::player" => qw(player)], |
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487 | ["cf::player" => qw(peaceful)], |
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488 | ) { |
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489 | no strict 'refs'; |
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490 | my ($pkg, @funs) = @$_; |
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491 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
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492 | for @funs; |
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493 | } |
|
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494 | |
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495 | sub safe_eval($;@) { |
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496 | my ($code, %vars) = @_; |
|
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497 | |
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498 | my $qcode = $code; |
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499 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
|
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500 | $qcode =~ s/\n/\\n/g; |
|
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501 | |
|
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502 | local $_; |
|
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503 | local @ext::cf::_safe_eval_args = values %vars; |
|
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504 | |
|
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505 | $code = |
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506 | "do {\n" |
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507 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
|
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508 | . "#line 0 \"{$qcode}\"\n" |
|
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509 | . $code |
|
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510 | . "\n}" |
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511 | ; |
|
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512 | |
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513 | sub_generation_inc; |
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514 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
|
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515 | sub_generation_inc; |
|
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516 | |
|
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517 | wantarray ? @res : $res[0] |
|
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518 | } |
|
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519 | |
|
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520 | sub register_script_function { |
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521 | my ($fun, $cb) = @_; |
|
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522 | |
|
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523 | no strict 'refs'; |
|
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524 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
|
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525 | } |
|
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526 | |
|
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527 | ############################################################################# |
|
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528 | # initialisation |
|
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529 | |
|
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530 | register "<global>", __PACKAGE__; |
|
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531 | |
|
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532 | unshift @INC, $LIBDIR; |
| 178 | |
533 | |
| 179 | load_extensions; |
534 | load_extensions; |
| 180 | |
535 | |
| 181 | 1 |
536 | 1 |
| 182 | |
537 | |
