[antlr-interest] Pretty-printer for Java 5 grammar: Translating Java to C++

[Henri Sivonen]

I have two algorithm and primitive-tweaking-intensive Java classes  
that I'd like to translate into C++ classes (and keep maintaining as  
Java source). It seems to me that a sensible way to do this would be  
hacking a Java 5 AST to Java 5 serializer until it outputs C++ instead  
of Java 5 for the subset of Java that my two classes happen to use.

Is there an open-source pretty-printer/serializer for the Antlr Java 5  
grammar? (So that I could use it as a starting point.)

(I don't need general Java class library emulation in C++ or smart  
memory management code generation. However, I do need the ability to  
annotate individual field/argument/local declarations with C++ target  
types when non-obvious substitution is called for and I need the  
ability to have magic comments for not including certain lines in C++  
and adding manually written lines of C++ here and there.)

P.S. I did notice the thread from February 2007, but it didn't appear  
to came to an easy conclusion.
http://www.antlr.org/pipermail/antlr-interest/2007-February/019243.html
-- 
Henri Sivonen
hsivonen at iki.fi
http://hsivonen.iki.fi/