Re: Making a partial C compiler

idbaxter@semdesigns.com (Ira Baxter)
24 May 2003 20:28:16 -0400

          From comp.compilers
Related articles
Making a partial C compiler cyberheg@l115.langkaer.dk (John Eskie) (2003-05-18)
Re: Making a partial C compiler torbenm@diku.dk (2003-05-23)
Re: Making a partial C compiler matt@peakfive.com (Matt Rosing) (2003-05-24)
Re: Making a partial C compiler blackmarlin@asean-mail.com (2003-05-24)
Re: Making a partial C compiler idbaxter@semdesigns.com (2003-05-24)
Re: Making a partial C compiler cyberheg@l115.langkaer.dk (John Eskie) (2003-05-29)
Re: Making a partial C compiler vbdis@aol.com (2003-06-03)
Re: Making a partial C compiler lars@bearnip.com (2003-06-03)
Re: Making a partial C compiler boldyrev@cgitftp.uiggm.nsc.ru (Ivan Boldyrev) (2003-06-03)
Re: Making a partial C compiler jyrixx@astro.temple.edu (2003-06-03)
Re: Making a partial C compiler torbenm@diku.dk (2003-06-05)
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From: idbaxter@semdesigns.com (Ira Baxter)
Newsgroups: comp.compilers
Date: 24 May 2003 20:28:16 -0400
Organization: http://groups.google.com/
References: 03-05-139
Keywords: C, translator
Posted-Date: 24 May 2003 20:28:16 EDT

"John Eskie" <cyberheg@l115.langkaer.dk> wrote
> I want to make a C/C++ source code obfuscator in C or C++. I don't
> need a full parser since I think about limited flow obfuscation. So
> what I need is to identify all "sub parts" of code like statements,
> if/while/for etc. pieces of code.
>
> Therefore I need some parsing code that could ease my job. ...
> the alternative is to write my own parsing
> code for my needs which probably won't be better then what exists
> already.


The DMS Software Reengineering Toolkit has both C and C++ front ends
and could be used for this. It parses a language and builds full ASTs
which clearly would identify the "sub parts". See
http://www.semanticdesigns.com/Products/DMS/DMSToolkit.html.


If you'll settle for just identifier obfuscation rather than going as
far as control flow obfuscation, then you can even obtain DMS-based C
and C++ obfuscators off the shelf. See
http://www.semanticdesigns.com/Products/Obfuscators/index.html

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