[antlr-interest] C++ code generation
Ric Klaren
klaren at cs.utwente.nl
Mon Apr 28 04:17:34 PDT 2003
Hi,
On Mon, Apr 28, 2003 at 04:04:03PM +0530, vivek bhaskar wrote:
> I am working on antlr 2.7.1, to generate C++ code. Actually i had started
> with antlr 2.7.2, but even after repeated try, i was not able to produce
> static lib for c++ given in antlr/lib/cpp, due to one consistent error in
> code and thus shifted to 2.7.1.
2.7.1 is buggy YMMV. Check the archives for fixes for MSVC that were posted
after 2.7.2 release. When I get some time I plan to release or a devel
snapshot or see if we can get a official release with fixes for MSVC and
other stuff that popped up after 2.7.2 release.
> Here, i tried to generate C++ code, in which i call a function say,
> void myfunction(string &mystruing)
> and use a global variable
> string myvar;
>
> so i put both in header as
> header{
> #include ...
>
> void myfunction(string &mystruing);
> string myvar;
> }
The header section is not really the place to place a declaration like
that. Check out the docs:
http://www.antlr.org/doc/cpp-runtime.html#_template
Also could be that you omitted a std:: prefix somewhere, depending on your
compiler and it's settings. Also try looking at the generated code and see
if things are in the places where you expect them.
> so, my question is this:
> Is any body working on antlr, taking care of C++ features, as the current
> versions, support antlr only for namesake?
I take care of C++ stuff mostly. Yet off late I'm having trouble finding
time. Development platform is the Gnu C++ compiler. Compilers I test on
before release are various gcc's and one or two Sun CC version, I don't
have access to more. MSVC I usually receive post mortem fixes for (after
release)
> Lastly:
> when in java parser i did,
>
> left: r=right { use r}..it worked.
>
> But when i tried same in parser, to generate C++, it gave error and
> thus i had only choice, to use tree parser. Can anbody illustrate this
> problem?
If you illustrate what your problem exactly is I might be able to help. It
is really no help to post the working java code and not the non working C++
code. Rest assured that I use this stuff daily and it works.
Cheers,
Ric
--
-----+++++*****************************************************+++++++++-------
---- Ric Klaren ----- j.klaren at utwente.nl ----- +31 53 4893722 ----
-----+++++*****************************************************+++++++++-------
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"Good idea. We can do more damage that way."
--- Ghostbusters
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