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README
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README
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________________________________________________________________________________
Duplo (C/C++/Java Duplicate Source Code Block Finder)
http://sourceforge.net/projects/duplo, Version 0.2.0 Readme File, May 2006
________________________________________________________________________________
CONTENTS
1 GENERAL INFORMATION
2 PERFORMANCE MEASUREMENTS
3 BACKGROUND
4 LICENSE
________________________________________________________________________________
1 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];
...
- Snippet end -----------
1.1 OPTIONS
Run "duplo --help" on the command line to see the detailed options.
1.2 FEEDBACK AND BUG REPORTING
Please send Feedback and Bug Reports to: [email protected]
1.3 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
________________________________________________________________________________
2 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
________________________________________________________________________________
3 BACKGROUND
Duplo uses the same techniques as Duploc to detect duplicated code blocks. See
http://www.iam.unibe.ch/~scg/Archive/Papers/Duca99bCodeDuplication.pdf for
further information.
________________________________________________________________________________
4 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
________________________________________________________________________________
2005, Christian M. Ammann ([email protected])