[antlr-interest] Re: (in)sanity check

ljw10001 ljw1001 at hotmail.com
Mon Apr 19 14:27:16 PDT 2004


I looked at Ephedra, but apparently it requires a VisualAge C++ 
compiler that runs only on AIX.  If it worked, it might be worth the 
expense of buying an AIX machine but I have no way to evaluate it. 

--- In antlr-interest at yahoogroups.com, "lgcraymer" <lgc at m...> wrote:
> Check out
> http://ovid.tigris.org/Ephedra/
> 
> --Loring
> 
> 
> --- In antlr-interest at yahoogroups.com, "ljw10001" <ljw1001 at h...> 
wrote:
> > I'm about to begin a project to port 400K LOC of C++ code to 
Java.  
> > To the greatest extent possible, we want to do a line by line 
port 
> > and, if possible I would like to automate some part of that 
effort.
> > 
> > What I have in mind is to use ANTLR/Sorcerer to do a rough 
> > translation.  
> > 
> > If I'm reading the various documents, articles, etc. correctly, 
there 
> > is a C++ grammar available that ANTLR can use to create a parse 
tree 
> > and also a Sorcerer description for Java that can read a 
(different) 
> > parse tree and generate java code. Presumably the first tree 
could be 
> > mapped to the second, or we could modify the Sorcerer description 
by 
> > hand to use the tree generated from the C++ source.
> > 
> > I'm not expecting the result to compile. In fact I would be happy 
to 
> > output C++ with some of the code selectively replaced by Java 
> > equivalents.  Anything that would reduce the amount of manual  
> > translation noticably would be useful.  
> > 
> > So, am I completely insane to attempt this with ANTLR?  
Suggestions 
> > for better ways to approach the problem would be greatly 
appreciated.



 
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