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joko |
1.1 |
#!/usr/bin/perl |
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joko |
1.5 |
# fluscate.pl 0.04 - The Flash Obfuscator |
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joko |
1.1 |
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joko |
1.4 |
# $Id: fluscate.pl,v 1.3 2004/07/23 12:56:07 joko Exp $ |
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joko |
1.2 |
# $Log: fluscate.pl,v $ |
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joko |
1.5 |
# Revision 1.4 2004/07/26 13:51:54 joko |
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# updated pod |
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# |
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joko |
1.4 |
# Revision 1.3 2004/07/23 12:56:07 joko |
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# updated pod |
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# |
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joko |
1.3 |
# Revision 1.2 2004/07/23 12:24:52 joko |
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# pod |
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# |
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joko |
1.2 |
# Revision 1.1 2004/07/23 12:13:14 joko |
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# initial commit |
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# |
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joko |
1.1 |
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=pod |
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joko |
1.2 |
This software is Copyright (C) 2004 Andreas Motl |
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Ideas and future AppleScript integration by Holger Marseille. |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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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, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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joko |
1.1 |
=cut |
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=pod |
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=head1 Features |
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joko |
1.4 |
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=head2 Obfuscation |
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See ASO Pro: http://www.genable.com/aso/preview.html |
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joko |
1.2 |
=head2 Functions |
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fluscate handles two different styles of function declarations: |
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1. "Normal" ones |
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function mp3Player ('arg1', 'arg2') |
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2. There may be "stacked" function declarations |
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push 'mp3Player' |
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function () |
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joko |
1.3 |
=head1 Dependencies |
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"flasm" is required to disassemble swf files, see http://www.nowrap.de/flasm.html |
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ACKs go to Igor Kogan. |
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joko |
1.2 |
=head1 Usage |
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=head2 win32 |
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#> flasm.exe -d puzzle.swf > puzzle.flm |
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#> cat puzzle.flm | perl fluscate.pl > puzzle_fusc.flm |
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#> flasm.exe -a puzzle_fusc.flm |
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=head2 *nix |
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joko |
1.3 |
#> ./flasm -d puzzle.swf > puzzle.flm |
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#> cat puzzle.flm | ./fluscate.pl > puzzle_fusc.flm |
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#> ./flasm -a puzzle_fusc.flm |
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joko |
1.2 |
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=head1 Development |
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=head2 Todo |
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- provide list of flash event handler names to exclude from symbol replacement |
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=head2 Wishlist |
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joko |
1.1 |
- komplexere verschlüsselung als "-1, -2 ..." z-b nicht in der numerischen reihenfolge sondern nach |
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zufallsprinip (-21,-3,-89)? (->random) |
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- evtl. constants nach abfrage ersetzen ? leider sehr aufwendig, bei vielen constants (->ask) |
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- rausgeben des arrays mit den "neuen" werten um evtl die obfuscation rückgängig zu machen (->undo) |
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- " push 0 |
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ls: |
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dup |
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trace |
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branchIfTrue ls" |
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... after each "constants" declaration (->pollute) |
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joko |
1.2 |
- what about other symbols beside "function"s? (e.g. variables) (->mode) |
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joko |
1.5 |
- include list of ->keywords from: |
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http://www.macromedia.com/support/flash/action_scripts/actionscript_dictionary/ |
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- replace symbols in multiple files (->multifile) |
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joko |
1.1 |
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joko |
1.2 |
=head2 Notes |
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joko |
1.1 |
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- no function may be called "Initialize", rename it to (e.g.) "Initialize2", reassembling will not work otherwise |
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(doesn't matter when obfuscating since function names will be replaced of course) |
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- function names seem to be/work case insensitive (shuffle <-> Shuffle) |
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- successfully tested with http://download.macromedia.com/pub/flash/showme/win/puzzle.zip |
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- make sure -1, -2, -3, .... gets replaced with '-1', '-2', '-3', ... |
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- there are multiple caller lines: callFunction, callMethod; do we have to take special care to methods? |
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- "getMember" and "getVariable" also do function calls! |
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- there are reserved function names which must not be replaced! (-> event handlers, e.g. "onPress") |
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joko |
1.4 |
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=head1 Links |
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=head2 ActionScript Decompilers / Disassemblers |
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Flasm: |
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http://www.nowrap.de/flasm.html |
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http://www.opaque.net/~dave/flasm/ |
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Flare: http://www.nowrap.de/flare.html |
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Sothink SWF Decompiler: http://www.srctec.com/flashdecompiler/ |
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Imperator FLA: http://www.ave-imperator.com/ |
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SWF Decompiler: http://www.19.5degs.com/swfdecompiler.php |
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Gordon: http://www.futurecandy.com/ |
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=head2 ActionScript Editors & Co. |
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URL Action Editor and Actionscript Viewer: |
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http://www.buraks.com/ |
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http://voisen.org/archives/2003/02/uae_303_and_asv_309.php |
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SE|PY ActionScript Editor: http://www.sephiroth.it/python/sepy.php |
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=head2 Obfuscators |
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ASO Pro (ActionScript Obfuscator Pro): http://www.genable.com/aso/preview.html |
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SWOB (swf obfuscator): http://home.byu.net/jtb64/Swob.htm |
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OBFU - A Flash Actionscript obfuscator: http://opaque.net/~dave/obfu/ |
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=head2 Misc |
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ActionScript Protection: |
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http://www.as-protect.com/ |
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http://www.quasimondo.com/archives/000377.php |
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Developer's SWF Guardian: http://anyrd.anyorganization.com/ |
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Password Busting / SWF Protections: http://www.searchlores.org/cinix_fla.htm |
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=head2 Off-Topic |
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XPath for Actionscript and other stuff: http://www.xfactorstudio.com/Actionscript/ |
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SerializerClass: http://sourceforge.net/projects/serializerclass/ |
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AMF::Perl - Flash Remoting in Perl and Python - using Flash Remoting protocol (AMF): |
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http://simonf.com/amfperl/ |
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PEAR::SWF - Read and write SWF head tag: http://www.sephiroth.it/test/php/SWF/ |
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AMFPHP - Flash Remoting for PHP: http://www.amfphp.org/ |
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joko |
1.1 |
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=cut |
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use strict; |
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use warnings; |
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my $regex = { |
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'function' => 'function(?:2|)\s(.+?)\s\(.*?\)', |
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'constants' => 'constants', |
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'call' => '(?:callFunction|callMethod|getMember|getVariable)', |
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'function_stacked' => 'function(?:2|)\s\s\(.*?\)', |
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'push' => 'push\s\'(.+?)\'', |
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}; |
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joko |
1.5 |
my @symbols_events = qw( |
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onDragOut |
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onDragOver |
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onKeyUp |
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onKeyDown |
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onKillFocus |
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onPress |
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onRelease |
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onReleaseOutside |
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onRollOut |
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onRollOver |
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onSetFocus |
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onActivity |
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onStatus |
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onSelect |
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onData |
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onLoad |
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allowDomain |
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allowInsecureDomain |
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onMouseDown |
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onMouseMove |
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onMouseUp |
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onMouseWheel |
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onEnterFrame |
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onUnload |
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onLoadComplete |
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onLoadError |
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onLoadInit |
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onLoadProgress |
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onLoadStart |
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onID3 |
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onSoundComplete |
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onResize |
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onChanged |
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onScroller |
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); |
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joko |
1.1 |
my @symbols; |
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# 1. read flasm code from STDIN |
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my @lines = <STDIN>; |
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my $counter = 0; |
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foreach (@lines) { |
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# trim newlines |
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#chomp; |
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my $symbol; |
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# check for all "function" / "function2" symbols and ... |
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if (m/$regex->{function}/) { |
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# ... remember them |
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$symbol = $1; |
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} elsif (m/$regex->{function_stacked}/) { |
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if ($lines[$counter - 1] =~ m/$regex->{push}/) { |
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$symbol = $1; |
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} |
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} |
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if ($symbol and not grep(/$symbol/, @symbols_events)) { |
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push @symbols, $symbol; |
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} |
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$counter++; |
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} |
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#print join("\n", @symbols); exit; |
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# 2. step through all symbols found and replace them |
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my $symbol_counter = -1; |
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foreach my $symbol (@symbols) { |
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my $line_counter = 0; |
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foreach (@lines) { |
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# function declarations; single quotes might not be there! |
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if (m/$regex->{function}/) { |
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joko |
1.5 |
s/\s'*$symbol'*\s/ '$symbol_counter' /i; |
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joko |
1.1 |
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# "constants"-line at begin of each block; single quotes should already be there |
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} elsif (m/$regex->{constants}/) { |
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s/'$symbol'/'$symbol_counter'/i; |
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# function calls; replace inside predecessor line of calling-lines |
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} elsif (m/$regex->{call}/) { |
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$lines[$line_counter - 1] =~ s/'$symbol'/'$symbol_counter'/i; |
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# function declarations; name of function is pushed on stack one line before! |
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} elsif (m/$regex->{function_stacked}/) { |
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$lines[$line_counter - 1] =~ s/'$symbol'/'$symbol_counter'/i; |
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} |
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$line_counter++; |
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} |
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$symbol_counter--; |
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} |
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# write all stuff to STDOUT |
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print STDOUT @lines; |
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