1 | package cf; |
1 | package cf; |
2 | |
2 | |
3 | use Symbol; |
3 | use Symbol; |
4 | use List::Util; |
4 | use List::Util; |
|
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5 | use Storable; |
|
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6 | use Opcode; |
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7 | use Safe; |
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8 | use Safe::Hole; |
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9 | |
|
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10 | use Time::HiRes; |
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11 | use Event; |
|
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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: $msg"; |
23 | }; |
32 | }; |
24 | } |
33 | } |
25 | |
34 | |
|
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35 | my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
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36 | |
26 | # generate property mutators |
37 | # generate property mutators |
27 | sub prop_gen { |
38 | sub prop_gen { |
28 | my ($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 | |
|
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74 | # we bless all objects into derived classes to force a method lookup |
|
|
75 | # within the Safe compartment. |
|
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76 | for my $pkg (qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region cf::arch)) { |
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77 | no strict 'refs'; |
|
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78 | @{"ext::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; |
|
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79 | } |
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80 | |
|
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81 | $Event::DIED = sub { |
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82 | warn "error in event callback: @_"; |
|
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83 | }; |
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84 | |
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85 | my %ext_pkg; |
63 | my @exts; |
86 | my @exts; |
64 | my @hook; |
87 | my @hook; |
65 | my %command; |
88 | my %command; |
|
|
89 | my %extcmd; |
66 | |
90 | |
67 | sub inject_event { |
91 | sub inject_event { |
68 | my ($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 { |
|
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102 | my $event = shift; |
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103 | |
|
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104 | my $cb = $hook[$event] |
|
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105 | or return; |
|
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106 | |
|
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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 $caller = caller; |
|
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124 | #warn "registering command '$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 | |
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130 | sub register_extcmd { |
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131 | my ($name, $cb) = @_; |
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132 | |
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133 | my $caller = caller; |
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134 | #warn "registering extcmd '$name' to '$caller'"; |
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135 | |
|
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136 | $extcmd{$name} = [$cb, $caller]; |
|
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137 | } |
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138 | |
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139 | sub register { |
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140 | my ($base, $pkg) = @_; |
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141 | |
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142 | for my $idx (0 .. $#EVENT) { |
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143 | if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
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144 | #warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
|
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145 | $hook[$idx]{$base} = $ref; |
|
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146 | } |
|
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147 | } |
|
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148 | } |
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149 | |
97 | sub load_extension { |
150 | sub load_extension { |
98 | my ($path) = @_; |
151 | my ($path) = @_; |
99 | |
152 | |
100 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
153 | $path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
|
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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; |
|
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174 | $ext_pkg{$base} = $pkg; |
120 | |
175 | |
121 | no strict 'refs'; |
176 | # no strict 'refs'; |
122 | |
|
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123 | # @{"$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]")) { |
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127 | warn "registering $EVENT[$idx] hook\n"; |
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128 | $hook[$idx]{$pkg} = $ref; |
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129 | } |
|
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130 | } |
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131 | } |
180 | } |
132 | |
181 | |
133 | sub unload_extension { |
182 | sub unload_extension { |
134 | my ($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 | |
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205 | # remove extcmds |
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206 | for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
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207 | delete $extcmd{$name}; |
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208 | } |
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209 | |
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210 | if (my $cb = $pkg->can ("on_unload")) { |
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211 | eval { |
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212 | $cb->($pkg); |
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213 | 1 |
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214 | } or warn "$pkg unloaded, but with errors: $@"; |
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215 | } |
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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>) { |
|
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224 | next unless -r $ext; |
|
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225 | eval { |
163 | load_extension $ext; |
226 | load_extension $ext; |
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227 | 1 |
|
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228 | } or warn "$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)) { |
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236 | $who->message ("reloading..."); |
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237 | |
171 | warn "reloading...\n"; |
238 | warn "reloading...\n"; |
172 | unload_extension $_ for @exts; |
239 | eval { |
173 | @exts = 0; |
240 | # 1. cancel all watchers |
|
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241 | $_->cancel for Event::all_watchers; |
|
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242 | |
|
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243 | # 2. unload all extensions |
|
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244 | for (@exts) { |
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245 | $who->message ("unloading <$_>"); |
174 | load_extensions; |
246 | unload_extension $_; |
|
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247 | } |
|
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248 | |
|
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249 | # 3. unload all modules loaded from $LIBDIR |
|
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250 | while (my ($k, $v) = each %INC) { |
|
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251 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
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252 | |
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253 | $who->message ("removing <$k>"); |
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254 | delete $INC{$k}; |
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255 | |
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256 | $k =~ s/\.pm$//; |
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257 | $k =~ s/\//::/g; |
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258 | |
|
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259 | if (my $cb = $k->can ("unload_module")) { |
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260 | $cb->(); |
|
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261 | } |
|
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262 | |
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263 | Symbol::delete_package $k; |
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264 | } |
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265 | |
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266 | # 4. get rid of ext::, as good as possible |
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267 | Symbol::delete_package "ext::$_" |
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268 | for qw(cf::object cf::object::map cf::object::player cf::player cf::map cf::party cf::region); |
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269 | |
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270 | # 5. remove register_script_function callbacks |
|
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271 | # TODO |
|
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272 | |
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273 | # 6. unload cf.pm "a bit" |
|
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274 | delete $INC{"cf.pm"}; |
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275 | |
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276 | # don't, removes xs symbols, too |
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277 | #Symbol::delete_package __PACKAGE__; |
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278 | |
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279 | # 7. reload cf.pm |
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280 | $who->message ("reloading cf.pm"); |
|
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281 | require cf; |
|
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282 | }; |
|
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283 | warn $@ if $@; |
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284 | $who->message ($@) if $@; |
175 | warn "reloaded\n"; |
285 | warn "reloaded\n"; |
|
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286 | |
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287 | $who->message ("reloaded"); |
|
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288 | } else { |
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289 | $who->message ("Intruder Alert!"); |
|
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290 | } |
|
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291 | }; |
|
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292 | |
|
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293 | ############################################################################# |
|
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294 | # utility functions |
|
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295 | |
|
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296 | use JSON::Syck (); # TODO# replace by JSON::PC once working |
|
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297 | |
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298 | sub from_json($) { |
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299 | $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs |
|
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300 | JSON::Syck::Load $_[0] |
|
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301 | } |
|
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302 | |
|
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303 | sub to_json($) { |
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304 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
|
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305 | JSON::Syck::Dump $_[0] |
|
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306 | } |
|
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307 | |
|
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308 | ############################################################################# |
|
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309 | # extcmd framework, basically convert ext <msg> |
|
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310 | # into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
|
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311 | |
|
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312 | sub on_extcmd { |
|
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313 | my ($pl, $buf) = @_; |
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314 | |
|
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315 | my $msg = eval { from_json $buf }; |
|
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316 | |
|
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317 | if (ref $msg) { |
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318 | if (my $cb = $extcmd{$msg->{msgtype}}) { |
|
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319 | if (my %reply = $cb->[0]->($pl, $msg)) { |
|
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320 | $pl->ext_reply ($msg->{msgid}, %reply); |
|
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321 | } |
|
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322 | } |
|
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323 | } else { |
|
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324 | warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; |
|
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325 | } |
|
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326 | |
176 | } |
327 | 1 |
|
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328 | } |
|
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329 | |
|
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330 | ############################################################################# |
|
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331 | # load/save/clean perl data associated with a map |
|
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332 | |
|
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333 | *on_mapclean = sub { |
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334 | my ($map) = @_; |
|
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335 | |
|
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336 | my $path = $map->tmpname; |
|
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337 | defined $path or return; |
|
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338 | |
|
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339 | unlink "$path.cfperl"; |
177 | }; |
340 | }; |
|
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341 | |
|
|
342 | *on_mapin = |
|
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343 | *on_mapload = sub { |
|
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344 | my ($map) = @_; |
|
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345 | |
|
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346 | my $path = $map->tmpname; |
|
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347 | $path = $map->path unless defined $path; |
|
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348 | |
|
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349 | open my $fh, "<:raw", "$path.cfperl" |
|
|
350 | or return; # no perl data |
|
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351 | |
|
|
352 | my $data = Storable::thaw do { local $/; <$fh> }; |
|
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353 | |
|
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354 | $data->{version} <= 1 |
|
|
355 | or return; # too new |
|
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356 | |
|
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357 | $map->_set_obs ($data->{obs}); |
|
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358 | }; |
|
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359 | |
|
|
360 | *on_mapout = sub { |
|
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361 | my ($map) = @_; |
|
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362 | |
|
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363 | my $path = $map->tmpname; |
|
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364 | $path = $map->path unless defined $path; |
|
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365 | |
|
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366 | my $obs = $map->_get_obs; |
|
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367 | |
|
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368 | if (defined $obs) { |
|
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369 | open my $fh, ">:raw", "$path.cfperl" |
|
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370 | or die "$path.cfperl: $!"; |
|
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371 | |
|
|
372 | stat $path; |
|
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373 | |
|
|
374 | print $fh Storable::nfreeze { |
|
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375 | size => (stat _)[7], |
|
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376 | time => (stat _)[9], |
|
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377 | version => 1, |
|
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378 | obs => $obs, |
|
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379 | }; |
|
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380 | |
|
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381 | chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
|
|
382 | } else { |
|
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383 | unlink "$path.cfperl"; |
|
|
384 | } |
|
|
385 | }; |
|
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386 | |
|
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387 | ############################################################################# |
|
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388 | # load/save perl data associated with player->ob objects |
|
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389 | |
|
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390 | sub all_objects(@) { |
|
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391 | @_, map all_objects ($_->inv), @_ |
|
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392 | } |
|
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393 | |
|
|
394 | *on_player_load = sub { |
|
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395 | my ($ob, $path) = @_; |
|
|
396 | |
|
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397 | for my $o (all_objects $ob) { |
|
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398 | if (my $value = $o->get_ob_key_value ("_perl_data")) { |
|
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399 | $o->set_ob_key_value ("_perl_data"); |
|
|
400 | |
|
|
401 | %$o = %{ Storable::thaw pack "H*", $value }; |
|
|
402 | } |
|
|
403 | } |
|
|
404 | }; |
|
|
405 | |
|
|
406 | *on_player_save = sub { |
|
|
407 | my ($ob, $path) = @_; |
|
|
408 | |
|
|
409 | $_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
|
|
410 | for grep %$_, all_objects $ob; |
|
|
411 | }; |
|
|
412 | |
|
|
413 | ############################################################################# |
|
|
414 | # core extensions - in perl |
|
|
415 | |
|
|
416 | my $delta_timer = Event->timer ( |
|
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417 | parked => 1, |
|
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418 | prio => Event::PRIO_HIGH, |
|
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419 | cb => sub { Event::unloop (undef) }, |
|
|
420 | ); |
|
|
421 | |
|
|
422 | sub sleep_delta($) { |
|
|
423 | $delta_timer->at (Event::time + $_[0]); |
|
|
424 | $delta_timer->start; |
|
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425 | Event::loop; |
|
|
426 | } |
|
|
427 | |
|
|
428 | =item cf::player::exists $login |
|
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429 | |
|
|
430 | Returns true when the given account exists. |
|
|
431 | |
|
|
432 | =cut |
|
|
433 | |
|
|
434 | sub cf::player::exists($) { |
|
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435 | cf::player::find $_[0] |
|
|
436 | or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; |
|
|
437 | } |
|
|
438 | |
|
|
439 | =item $player->reply ($npc, $msg[, $flags]) |
|
|
440 | |
|
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441 | Sends a message to the player, as if the npc C<$npc> replied. C<$npc> |
|
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442 | can be C<undef>. Does the right thing when the player is currently in a |
|
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443 | dialogue with the given NPC character. |
|
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444 | |
|
|
445 | =cut |
|
|
446 | |
|
|
447 | # rough implementation of a future "reply" method that works |
|
|
448 | # with dialog boxes. |
|
|
449 | sub cf::object::player::reply($$$;$) { |
|
|
450 | my ($self, $npc, $msg, $flags) = @_; |
|
|
451 | |
|
|
452 | $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; |
|
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453 | |
|
|
454 | if ($self->{record_replies}) { |
|
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455 | push @{ $self->{record_replies} }, [$npc, $msg, $flags]; |
|
|
456 | } else { |
|
|
457 | $msg = $npc->name . " says: $msg" if $npc; |
|
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458 | $self->message ($msg, $flags); |
|
|
459 | } |
|
|
460 | } |
|
|
461 | |
|
|
462 | =item $player->ext_reply ($msgid, $msgtype, %msg) |
|
|
463 | |
|
|
464 | Sends an ext reply to the player. |
|
|
465 | |
|
|
466 | =cut |
|
|
467 | |
|
|
468 | sub cf::player::ext_reply($$$%) { |
|
|
469 | my ($self, $id, %msg) = @_; |
|
|
470 | |
|
|
471 | $msg{msgid} = $id; |
|
|
472 | |
|
|
473 | $self->send ("ext " . to_json \%msg); |
|
|
474 | } |
|
|
475 | |
|
|
476 | ############################################################################# |
|
|
477 | # map scripting support |
|
|
478 | |
|
|
479 | our $safe = new Safe "ext"; |
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480 | our $safe_hole = new Safe::Hole; |
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481 | |
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482 | $SIG{FPE} = 'IGNORE'; |
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483 | |
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484 | $safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); |
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485 | |
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486 | # here we export the classes and methods available to script code |
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487 | |
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488 | for ( |
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489 | ["cf::object" => qw(contr pay_amount pay_player)], |
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490 | ["cf::object::player" => qw(player)], |
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491 | ["cf::player" => qw(peaceful)], |
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492 | ) { |
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493 | no strict 'refs'; |
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494 | my ($pkg, @funs) = @$_; |
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495 | *{"ext::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) |
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496 | for @funs; |
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497 | } |
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498 | |
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499 | sub safe_eval($;@) { |
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500 | my ($code, %vars) = @_; |
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501 | |
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502 | my $qcode = $code; |
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503 | $qcode =~ s/"/‟/g; # not allowed in #line filenames |
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504 | $qcode =~ s/\n/\\n/g; |
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505 | |
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506 | local $_; |
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507 | local @ext::cf::_safe_eval_args = values %vars; |
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508 | |
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509 | $code = |
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510 | "do {\n" |
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511 | . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" |
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512 | . "#line 0 \"{$qcode}\"\n" |
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513 | . $code |
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514 | . "\n}" |
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515 | ; |
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516 | |
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517 | sub_generation_inc; |
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518 | my @res = wantarray ? $safe->reval ($code) : scalar $safe->reval ($code); |
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519 | sub_generation_inc; |
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520 | |
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521 | wantarray ? @res : $res[0] |
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522 | } |
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523 | |
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524 | sub register_script_function { |
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525 | my ($fun, $cb) = @_; |
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526 | |
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527 | no strict 'refs'; |
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528 | *{"ext::$fun"} = $safe_hole->wrap ($cb); |
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529 | } |
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530 | |
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531 | ############################################################################# |
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532 | # initialisation |
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533 | |
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534 | register "<global>", __PACKAGE__; |
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535 | |
|
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536 | unshift @INC, $LIBDIR; |
178 | |
537 | |
179 | load_extensions; |
538 | load_extensions; |
180 | |
539 | |
181 | 1 |
540 | 1 |
182 | |
541 | |