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88 lines
2.8 KiB
Perl
Executable File
88 lines
2.8 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# InspIRCd -- Internet Relay Chat Daemon
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#
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# Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
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#
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# This file is part of InspIRCd. InspIRCd is free software: you can
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# redistribute it and/or modify it under the terms of the GNU General Public
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# License as published by the Free Software Foundation, version 2.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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use strict;
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use warnings;
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my $maxparams = shift;
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die "You must supply a number of parameters to generate headers allowing for!" unless(defined $maxparams);
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die "You must request a non-negative parameter limit!" unless($maxparams >= 0);
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print STDERR "Generating headerfile for a maximium of $maxparams parameters\n";
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# First generate the HanderBase family
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my @templatetypes = ('ReturnType');
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for(my $i = 0; $i <= $maxparams; $i++)
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{
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push @templatetypes, "Param" . $i if($i > 0);
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print "template <typename " . join(', typename ', @templatetypes) . "> class CoreExport HandlerBase" . $i . "\n";
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print "{\n";
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print " public:\n";
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print " virtual ReturnType Call(" . join(', ', @templatetypes[1..$#templatetypes]) . ") = 0;\n";
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print " virtual ~HandlerBase" . $i . "() { }\n";
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print "};\n\n";
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}
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# And now the caller family
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print "template <typename HandlerType> class caller\n";
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print "{\n";
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print " public:\n";
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print " HandlerType* target;\n\n";
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print " caller(HandlerType* initial)\n";
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print " : target(initial)\n";
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print " { }\n\n";
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print " virtual ~caller() { }\n\n";
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print " caller& operator=(HandlerType* newtarget)\n";
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print " {\n";
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print " target = newtarget;\n";
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print " return *this;\n";
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print " }\n";
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print "};\n\n";
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@templatetypes = ('ReturnType');
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for(my $i = 0; $i <= $maxparams; $i++)
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{
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push @templatetypes, "Param" . $i if($i > 0);
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my $handlertype = "HandlerBase" . $i . "<" . join(', ', @templatetypes) . ">";
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my @templatetypepairs = map { $_ . " " . lc($_) } @templatetypes;
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my @lctemplatetypes = map(lc, @templatetypes);
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print "template <typename " . join(', typename ', @templatetypes) . "> class caller" . $i . " : public caller< " . $handlertype . " >\n";
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print "{\n";
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print " public:\n";
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print " caller" . $i . "(" . $handlertype . "* initial)\n";
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print " : caller< " . $handlertype. " >::caller(initial)\n";
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print " { }\n\n";
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print " ReturnType operator() (" . join(', ', @templatetypepairs[1..$#templatetypepairs]) . ")\n";
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print " {\n";
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print " return this->target->Call(" . join(', ', @lctemplatetypes[1..$#lctemplatetypes]) . ");\n";
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print " }\n";
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print "};\n\n";
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}
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