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Duplicates finder for various source code formats.

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Duplo (C/C++/Java Duplicate Source Code Block Finder)

Personal fork to add support for qml files (very similar or identical to javascript)

The rest of the README file is of the project from where I forked.

GENERAL INFORMATION

Duplicated source code blocks can harm maintainability of software systems. Duplo is a tool to find duplicated code blocks in large C, C++, Java, C# and VB.Net systems.

Sample output snippet:

...
src\engine\geometry\simple\TorusGeometry.cpp(56)
src\engine\geometry\simple\SphereGeometry.cpp(54)
    pBuffer[currentIndex*size+3]=(i+1)/(float)subdsU;
    pBuffer[currentIndex*size+4]=j/(float)subdsV;
    currentIndex++;
    pPrimitiveBuffer->unlock();

src\engine\geometry\subds\SubDsGeometry.cpp(37)
src\engine\geometry\SkinnedMeshGeometry.cpp(45)
    pBuffer[i*size+0]=m_ct[0]->m_pColors[i*3];
    pBuffer[i*size+1]=m_ct[0]->m_pColors[i*3+1];
    pBuffer[i*size+2]=m_ct[0]->m_pColors[i*3+2];
...

OPTIONS

Run "duplo --help" on the command line to see the detailed options.

FEEDBACK AND BUG REPORTING

Please send Feedback and Bug Reports to: dlidstrom@gmail.com

FILE LIST GENERATION

Generate a list of all files of a directory with:

Windows

dir /s /b /a-d *.cpp *.h > files.lst

UNIX

find -name "*.cpp" > cppList.lst
find -name "*.h" > includeList.lst
cat cppList.lst includeList.lst > all.lst

PERFORMANCE MEASUREMENTS

SYSTEM                  FILES     LOCs   TIME   HARDWARE
3D Game Engine            275    12211   4sec   3.4GHZ P4
Quake2                    266   102740  58sec   3.4GHZ P4
Computer Game            5639   754320  34min   3.4GHZ P4
Linux Kernel 2.6.11.10  17034  4184356  16h     3.4GHZ P4

BACKGROUND

Duplo uses the same techniques as Duploc to detect duplicated code blocks. See Duca99bCodeDuplication for further information.

LICENSE

Duplo is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

Foobar is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Duplo; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA


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