opencxx-users

[Opencxx-users] opencxx error

[aitor <ait...@ho...>]

Hi,
I have installed opencxx using apt-get,  
#apt-get install opencxx
          Architecture: i386
          Version: 2.8-9
I have also download the  tar openc++ to try the examples.
and when I try the examples...

~/Desktop/opencxx-2.8/examples/verbose$ occ -m VerboseClass.mc
EXECUTING: g++ g++ -D__opencxx -E -o VerboseClass.occ -x c++ VerboseClass.mc
/usr/include/c++/4.2/bits/cpp_type_traits.h:118: parse error before `>'
/usr/include/c++/4.2/bits/cpp_type_traits.h:123: parse error before `template'
/usr/include/c++/4.2/bits/cpp_type_traits.h:363: parse error before `__first'
/usr/include/c++/4.2/bits/cpp_type_traits.h:368: parse error before `enum'
/usr/include/c++/4.2/bits/cpp_type_traits.h:373: parse error before `template'
/usr/include/c++/4.2/bits/stl_relops.h:74: parse error before `std'
/usr/include/c++/4.2/bits/stl_relops.h:103: parse error before `<'
/usr/include/c++/4.2/bits/stl_relops.h:116: parse error before `<'
/usr/include/c++/4.2/bits/stl_relops.h:129: parse error before `<'
/usr/include/c++/4.2/bits/stl_relops.h:134: parse error before `}'
occ: too many errors

fatal error
aitor@aitor-laptop:~/Desktop/opencxx-2.8/examples/verbose$  

   
g++: 4.2
I have searched in Internet and there are a person with the same problem
Is this problem  fixed? If so, how can I use openc++?
Thanks.
_________________________________________________________________
MSN Noticias
http://noticias.msn.es/comunidad.aspx

[Opencxx-users] aspect-oriented software development

[SF M. E. <el...@us...>]

Hello,

Can your implementation and the generated software benefit from this 
design approach?
http://en.wikipedia.org/wiki/Aspect-oriented_programming

Would you like to reuse anything from the evolving tools and libraries?
1. http://aspectc.org/
2. http://wwwiti.cs.uni-magdeburg.de/iti_db/forschung/fop/featurec/
3. http://www.cs.tut.fi/~ask/aspects/aspects.html
4. http://springpython.python-hosting.com/wiki/AspectOrientedProgramming
5. http://xweaver.org/

Regards,
Markus

Re: [Opencxx-users] Newbie : command line errors

[<se...@in...>]

On Mon, 2007-04-23 at 19:06 +0530, Lazy Land wrote:
> Hello all,
> 
> Just a quick problem i'm facing with the command line.
> I've built OpenC++ using cygwin, and I'm trying to use the occ
> compiler in the command line.
> Here's how it goes :
> 
> $ occ -m VerboseClass.mc -I../include
> EXECUTING: g++ g++ -D__opencxx -E -o VerboseClass.occ -x c++ VerboseClass.mc
> VerboseClass.mc:38:25: opencxx/mop.h: No such file or directory
> 
> I'm using opencxx-2.8, and apparently g++ is not getting the include path.
> Has anybody else had this issue ?

you do not have given enough clues if you have install or not.
The most difficult build should be

let suppose your configuration is
/home1/p0/opencxx
  \-- build        # where we build the package
  \-- opencxx28    # where the untar or cvs is
from here, obviously the make install command has not been done.
We are checking if the thing work before install

here we have build from /home1/p0/opencxx/build
then /home1/p0/opencxx/build/occ2 is the script used to 
produce VerboseClass.occ

check that in occ2 script we have macro pointing to right place
abs_top_builddir=/home1/p0/opencxx/build
abs_top_srcdir=/home1/p0/opencxx/build/../opencxx28

from /home1/p0/opencxx/build/examples/verbose directory
$ echo $PATH
$ export PATH=/home1/p0/opencxx/build:$PATH
$ LD_LIBRARY_PATH=/home1/p0/opencxx/build/.libs make VerboseClass.exe
should work
that should be equivalent to but with added --verbose option to have
more details

$ occ2 --verbose \
    ../../../opencxx28/examples/verbose/VerboseClass.mc \
    -o VerboseClass.exe

if from cvs, opencxx-2.9 is preferable
because we do not add fix to opencxx

Re: [Opencxx-users] Opencxx-users Digest, Vol 6, Issue 5

[Manoj k. <man...@gm...>]

I am getting the same problem...........
Can anybody say , is it possible to compile occ Compiler on VC2005.
I am struggling from long time..... basically how to replace the fork() and
execve() system call with window substitute.........
Send the reply soon as i have struck on it...

Manoj

On 4/24/07, ope...@li... <
ope...@li...> wrote:
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>    1. Newbie : command line errors (Lazy Land)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 23 Apr 2007 19:06:38 +0530
> From: "Lazy Land" <laz...@gm...>
> Subject: [Opencxx-users] Newbie : command line errors
> To: ope...@li...
> Message-ID:
>         <10b...@ma...>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hello all,
>
> Just a quick problem i'm facing with the command line.
> I've built OpenC++ using cygwin, and I'm trying to use the occ
> compiler in the command line.
> Here's how it goes :
>
> $ occ -m VerboseClass.mc -I../include
> EXECUTING: g++ g++ -D__opencxx -E -o VerboseClass.occ -x c++
> VerboseClass.mc
> VerboseClass.mc:38:25: opencxx/mop.h: No such file or directory
>
> I'm using opencxx-2.8, and apparently g++ is not getting the include path.
> Has anybody else had this issue ?
>
> Thanks in advance,
> CP
>
>
>
> ------------------------------
>
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[Opencxx-users] Newbie : command line errors

[Lazy L. <laz...@gm...>]

Hello all,

Just a quick problem i'm facing with the command line.
I've built OpenC++ using cygwin, and I'm trying to use the occ
compiler in the command line.
Here's how it goes :

$ occ -m VerboseClass.mc -I../include
EXECUTING: g++ g++ -D__opencxx -E -o VerboseClass.occ -x c++ VerboseClass.mc
VerboseClass.mc:38:25: opencxx/mop.h: No such file or directory

I'm using opencxx-2.8, and apparently g++ is not getting the include path.
Has anybody else had this issue ?

Thanks in advance,
CP

Re: [Opencxx-users] Opencxx-users Digest, Vol 6, Issue 1

[Ferdinand P. <Fer...@op...>]

Hello Manoj, 

I used openc++ to do a testing C++ extension (evaluating the library) and 
to create a tool processing XML comments (.NET 1 C++ syntax). 

I used a little patched version 2.7. I had to make it compilable in VC6 
and make it understand source code for the managed C++ (well, I made it 
ignore it, more or less :-). I think I sent the patch here but I am not 
sure any more because I was very busy that time. I built it in both VC6 
and VC71. I suggest you to upgrade to VC71 since VC6 is not supported any 
more. 

You can have a look at http://prantl.host.sk/mcppdoc/. There is a 
compilable package and binaries there. I could help you more with it but I 
do not have much time to spend on it. 

I still find openc++ the best tool to integrate for manipulating the 
source code in spite of some comments in this thread. Unfortunately it 
seems that the maintainers do not have much time recently and the 
integration may require some extra work as you found out... Patience 
brings roses :-) 

Best regards, 
Ferda 



"Manoj kumar" <man...@gm...> 
Sent by: ope...@li... 
15.04.2007 06:26 



To
ope...@li... 
cc

Subject
Re: [Opencxx-users] Opencxx-users Digest, Vol 6, Issue 1












Hi Everybody
 I didn't get any response what i needed of my query..
I saw some people of group has done the work with OpenC++ on .NET 
plateform.
So pls can't anybody of u help me in how to go from Compiling OpenC++ to 
Running a simple program on VC6.

Thank
 Manoj

On 4/11/07, ope...@li... < 
ope...@li...> wrote: 
Send Opencxx-users mailing list submissions to 
       ope...@li...

To subscribe or unsubscribe via the World Wide Web, visit 
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or, via email, send a message with subject or body 'help' to
        ope...@li... 

You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific 
than "Re: Contents of Opencxx-users digest..."


Today's Topics:

  1. installing openc++ on vc6 (Manoj kumar)
  2. Re: installing openc++ on vc6 (Stefan Seefeld)


---------------------------------------------------------------------- 

Message: 1
Date: Tue, 10 Apr 2007 14:59:26 +0530
From: "Manoj kumar" <man...@gm... >
Subject: [Opencxx-users] installing openc++ on vc6 
To: ope...@li...
Message-ID:
       < 1ad...@ma... >
Content-Type: text/plain; charset="iso-8859-1"

Hi
Currently i am doing a project in which i need to use openc++ for parser
and lexer.
I have tried to install the main-con.cpp file of *openc++- 2.8 *but there
are lot of dependencies .
so anyone of u who have done compilation of openc++ on *window *using
*vc6*can guide me pls.
As i have struct in this.... so i am waiting for response as soon as
possible. 
Thanks......
Manoj
-------------- next part --------------
An HTML attachment was scrubbed...

------------------------------

Message: 2
Date: Tue, 10 Apr 2007 07:07:01 -0400
From: Stefan Seefeld < se...@sy...>
Subject: Re: [Opencxx-users] installing openc++ on vc6
To: Manoj kumar < man...@gm...> 
Cc: ope...@li...
Message-ID: < 461...@sy...>
Content-Type: text/plain; charset=ISO-8859-1 

Manoj kumar wrote:
> Hi
>  Currently i am doing a project in which i need to use openc++ for
> parser and lexer.
> I have tried to install the main-con.cpp file of *openc++-2.8 *but there
> are lot of dependencies .
> so anyone of u who have done compilation of openc++ on *window *using
> *vc6* can guide me pls.
> As i have struct in this.... so i am waiting for response as soon as
> possible.

Can you describe what you want to do with the parser ?

I haven't built openc++ on windows, but I have been working on a quite
similar project (synopsis; http://synopsis.fresco.org), which I 
successfully
compile for windows (using gcc -mno-cygwin), and which then works happily 
with
VC6.

HTH,
               Stefan

--

     ...ich hab' noch einen Koffer in Berlin... 



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Re: [Opencxx-users] Opencxx-users Digest, Vol 6, Issue 1

[Manoj k. <man...@gm...>]

Hi Everybody
  I didn't get any response what i needed of my query..
I saw some people of group has done the work with OpenC++ on .NET plateform.
So pls can't anybody of u help me in how to go from Compiling OpenC++ to
Running a simple program on VC6.

Thank
  Manoj

On 4/11/07, ope...@li...
<ope...@li...>
wrote:
>
> Send Opencxx-users mailing list submissions to
>         ope...@li...
>
> To subscribe or unsubscribe via the World Wide Web, visit
>          https://lists.sourceforge.net/lists/listinfo/opencxx-users
> or, via email, send a message with subject or body 'help' to
>         ope...@li...
>
> You can reach the person managing the list at
>         ope...@li...
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Opencxx-users digest..."
>
>
> Today's Topics:
>
>    1. installing openc++ on vc6 (Manoj kumar)
>    2. Re: installing openc++ on vc6 (Stefan Seefeld)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 10 Apr 2007 14:59:26 +0530
> From: "Manoj kumar" <man...@gm...>
> Subject: [Opencxx-users] installing openc++ on vc6
> To: ope...@li...
> Message-ID:
>         <1ad...@ma... >
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi
> Currently i am doing a project in which i need to use openc++ for parser
> and lexer.
> I have tried to install the main-con.cpp file of *openc++- 2.8 *but there
> are lot of dependencies .
> so anyone of u who have done compilation of openc++ on *window *using
> *vc6*can guide me pls.
> As i have struct in this.... so i am waiting for response as soon as
> possible.
> Thanks......
> Manoj
> -------------- next part --------------
> An HTML attachment was scrubbed...
>
> ------------------------------
>
> Message: 2
> Date: Tue, 10 Apr 2007 07:07:01 -0400
> From: Stefan Seefeld < se...@sy...>
> Subject: Re: [Opencxx-users] installing openc++ on vc6
> To: Manoj kumar <man...@gm...>
> Cc: ope...@li...
> Message-ID: <461...@sy...>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Manoj kumar wrote:
> > Hi
> >  Currently i am doing a project in which i need to use openc++ for
> > parser and lexer.
> > I have tried to install the main-con.cpp file of *openc++-2.8 *but there
> > are lot of dependencies .
> > so anyone of u who have done compilation of openc++ on *window *using
> > *vc6* can guide me pls.
> > As i have struct in this.... so i am waiting for response as soon as
> > possible.
>
> Can you describe what you want to do with the parser ?
>
> I haven't built openc++ on windows, but I have been working on a quite
> similar project (synopsis; http://synopsis.fresco.org), which I
> successfully
> compile for windows (using gcc -mno-cygwin), and which then works happily
> with
> VC6.
>
> HTH,
>                 Stefan
>
> --
>
>       ...ich hab' noch einen Koffer in Berlin...
>
>
>
> ------------------------------
>
> -------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
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>

Re: [Opencxx-users] installing openc++ on vc6

[Stefan S. <se...@sy...>]

Manoj kumar wrote:
> Hi,
>   In my project , i want to use meta - class which will do source to
> source translation .
> Basically i need to add some function in my program to do task like
> saving and restoring the class object . And this should be done at
> compile time .
> For this i need to use the openc++ compiler. As i am working on window
> plateform and using vc6 , i have to compile openc++ on vc6 only so that
> there should be any dependencies on other program.

Compiling openc++ and using it with an external compiler are two distinct
things. It may be easier to try to compile openc++ with the mingw compiler
(i.e. gcc) than with VC6, but you certainly need to call cl.exe from occ.

I'm not sure how hard the latter is, or whether it's possible at all.

Unfortunately, while Synopsis works fine in this environment, it currently
doesn't support source-to-source translation the same way openc++ does
(instead, it hands users back the parse tree which they are supposed to
traverse and translate themselves). So I'm not sure how useful that would
be for your purposes.

HTH,
		Stefan

-- 

      ...ich hab' noch einen Koffer in Berlin...

Re: [Opencxx-users] installing openc++ on vc6

[Stefan S. <se...@sy...>]

Manoj kumar wrote:
> Hi
>  Currently i am doing a project in which i need to use openc++ for
> parser and lexer.
> I have tried to install the main-con.cpp file of *openc++-2.8 *but there
> are lot of dependencies .
> so anyone of u who have done compilation of openc++ on *window *using
> *vc6* can guide me pls.
> As i have struct in this.... so i am waiting for response as soon as
> possible.

Can you describe what you want to do with the parser ?

I haven't built openc++ on windows, but I have been working on a quite
similar project (synopsis; http://synopsis.fresco.org), which I successfully
compile for windows (using gcc -mno-cygwin), and which then works happily with
VC6.

HTH,
		Stefan

-- 

      ...ich hab' noch einen Koffer in Berlin...

[Opencxx-users] installing openc++ on vc6

[Manoj k. <man...@gm...>]

Hi
 Currently i am doing a project in which i need to use openc++ for parser
and lexer.
I have tried to install the main-con.cpp file of *openc++-2.8 *but there
are lot of dependencies .
so anyone of u who have done compilation of openc++ on *window *using
*vc6*can guide me pls.
As i have struct in this.... so i am waiting for response as soon as
possible.
Thanks......
Manoj

Re: [Opencxx-users] Gcc 4.0

[Scott D. F. <sd...@ms...>]

Hi Gilles,

> > I've been unable to use OpenC++ with gcc 4.x. OpenC++'s parser barfs
> > on some of the standard headers.
>
> see
> from: Gilles J. Seguin
> subject: "make check" fail on branch rel_2_9 with gcc 4.0.1 in C++
> headers
>                               Date:
> Thu, 20 Oct 2005 06:03:37 -0400

I looked at the email exchange you cite above, and I see that it
describes the problem with gcc 4 that I encountered. However, I don't
see a solution described.

> i am 4.1.1 and working

What version of OpenC++ are you using? If it's the version in the CVS
repository, would you mind posting a new snapshot to the OpenC++
homepage?

Also, if you do add a new snapshot, you might also add an entry to the
news section of OpenC++ homepage. I think it would help direct new
users to the version that will give them the best results.

> >  I do have it working with gcc 3.x.
> > Although, I have hacked the parser a bit to get it to work, and the
> > latest OpenC++ cvs snapshot may not have similar patches applied to
> > it.
>
> I can add contributed patches to branches rel_2_9

If you have a version of OpenC++ that works with gcc 4.1.1, I suspect
my patches are no longer necessary. If I find it otherwise, I will let
you know.

Thanks, Scott

Re: [Opencxx-users] Gcc 4.0

[<wu...@gm...>]

Hi Scott,

2006/11/16, Scott D. Fleming <sd...@ms...>:
>
> OpenC++ hard codes the name of the compiler "g++" into its source as a
> string. Before you compile OpenC++, you will need to find that string
> and replace it with the correct command name for your version. I can't
> recall if there are any other difficulties with getting this sort of
> setup to work, but there may very well be.


That helped me.

grep '"g++"' -r .
Did found the source files with g++ hardcoded and after that I changed them.

-- 
Emilio Wuerges
LAPS - Laboratorio de Automacao de Projeto de Sistemas
UFSC - Universidade Federal de Santa Catarina
Brasil

Re: [Opencxx-users] Gcc 4.0

[<se...@in...>]

On Thu, 2006-11-16 at 16:57 -0500, Scott D. Fleming wrote:
> Hi Emilio,
> I've been unable to use OpenC++ with gcc 4.x. OpenC++'s parser barfs
> on some of the standard headers.

see 
from: Gilles J. Seguin
subject: "make check" fail on branch rel_2_9 with gcc 4.0.1 in C++
headers
                              Date: 
Thu, 20 Oct 2005 06:03:37 -0400

i am 4.1.1 and working

>  I do have it working with gcc 3.x.
> Although, I have hacked the parser a bit to get it to work, and the
> latest OpenC++ cvs snapshot may not have similar patches applied to
> it.

I can add contributed patches to branches rel_2_9

> You may want to install multiple versions of gcc on your system,
> having the latest/greatest as your default and using an older version
> with OpenC++. On Debian-based systems (e.g. Ubuntu), they offer
> different gcc version packages. For the older versions, the commands
> are appended with "-version"; for example, "gcc" becomes "gcc-3.3".
> When you build OpenC++ by hand, you can pass configure options that
> tell it to use the older version of gcc. There is a catch, though.
> OpenC++ hard codes the name of the compiler "g++" into its source as a
> string. Before you compile OpenC++, you will need to find that string
> and replace it with the correct command name for your version. I can't
> recall if there are any other difficulties with getting this sort of
> setup to work, but there may very well be.
> 
> Good luck!
> Cheers, Scott

Re: [Opencxx-users] Source Introspection

[<se...@in...>]

On Thu, 2006-11-16 at 09:50 -0200, Em=C3=ADlio Wuerges wrote:
> Hi to All,
>=20
> My problem is simple:
> I need to parse a header file, search for classes declaration with
> virtual methods and print their signature.
> I searched for an example in OpenC++ documentation and this list with
> no results.

in Reference Manuel paragraph 8.1 Introspection, for me it is page 45
bool IsVirtual()
bool IsPureVirtual()

> Can someone give me a clue?
> Can OpenC++ do it?
>=20
> After that, I would like to add a few members, remove some and output
> a refactored C++ code.
> Can OpenC++ still do it?

see 7.4 Translation and 7.4.1 Class Definition
should provide enough for what you describe
see AppendMember(...)

> Tx for your time,

Re: [Opencxx-users] Gcc 4.0

[Scott D. F. <sd...@ms...>]

Hi Emilio,
I've been unable to use OpenC++ with gcc 4.x. OpenC++'s parser barfs
on some of the standard headers. I do have it working with gcc 3.x.
Although, I have hacked the parser a bit to get it to work, and the
latest OpenC++ cvs snapshot may not have similar patches applied to
it.

You may want to install multiple versions of gcc on your system,
having the latest/greatest as your default and using an older version
with OpenC++. On Debian-based systems (e.g. Ubuntu), they offer
different gcc version packages. For the older versions, the commands
are appended with "-version"; for example, "gcc" becomes "gcc-3.3".
When you build OpenC++ by hand, you can pass configure options that
tell it to use the older version of gcc. There is a catch, though.
OpenC++ hard codes the name of the compiler "g++" into its source as a
string. Before you compile OpenC++, you will need to find that string
and replace it with the correct command name for your version. I can't
recall if there are any other difficulties with getting this sort of
setup to work, but there may very well be.

Good luck!
Cheers, Scott

On 11/16/06, Em=EDlio Wuerges <wu...@gm...> wrote:
> Hi everyone,
>
> How should I procced to use openc++ with gcc 4.0?
>
> --
> Emilio Wuerges
> LAPS - Laboratorio de Automacao de Projeto de Sistemas
> UFSC - Universidade Federal de Santa Catarina
> Brasil
> -------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
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our
> opinions on IT & business topics through brief surveys - and earn cash
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DEVDEV
>
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>
>

Re: [Opencxx-users] Gcc 4.0

[Stefan S. <se...@sy...>]

Emílio Wuerges wrote:
> Hi everyone,
> 
> How should I procced to use openc++ with gcc 4.0?

Can you elaborate what you mean with 'use with gcc 4.0' ?

Are you looking for ways to compile openc++ with gcc 4.0 ?

Or Use openc++ with gcc 4.0 system headers (i.e. when
processing your own code with it) ?

Openc++ should probably compile fine with any version of gcc,
but I believe the libstdc++ version that ships with gcc 4.0
contains constructs that openc++'s parser can't handle
(that's what I alluded to in my previous mail).

Regards,
		Stefan

-- 

      ...ich hab' noch einen Koffer in Berlin...

[Opencxx-users] Gcc 4.0

[<wu...@gm...>]

Hi everyone,

How should I procced to use openc++ with gcc 4.0?

-- 
Emilio Wuerges
LAPS - Laboratorio de Automacao de Projeto de Sistemas
UFSC - Universidade Federal de Santa Catarina
Brasil

Re: [Opencxx-users] Source Introspection

[Stefan S. <se...@sy...>]

Emílio Wuerges wrote:
> Hi to All,
> 
> My problem is simple:
> I need to parse a header file, search for classes declaration with
> virtual methods
> and print their signature.
> I searched for an example in OpenC++ documentation and this list with no
> results.
> 
> Can someone give me a clue?
> Can OpenC++ do it?

Probably.

> After that, I would like to add a few members, remove some and output a
> refactored C++ code.
> Can OpenC++ still do it?

Also probably. (It depends on your C++ code: OpenC++ has some trouble with
more modern C++ constructs, so depending on your code it may do well
or just fall over.)

In case you don't get the answer you are looking for here, you may consider
using synopsis instead (http://synopsis.fresco.org), which provides that
functionality too. (Its C++ parser started as a fork of OpenC++ many years ago.)

As I'm the main developer there, I may be able to help you with that.

Regards,
		Stefan

-- 

      ...ich hab' noch einen Koffer in Berlin...

[Opencxx-users] Source Introspection

[<wu...@gm...>]

Hi to All,

My problem is simple:
I need to parse a header file, search for classes declaration with virtual
methods
and print their signature.
I searched for an example in OpenC++ documentation and this list with no
results.

Can someone give me a clue?
Can OpenC++ do it?

After that, I would like to add a few members, remove some and output a
refactored C++ code.
Can OpenC++ still do it?

Tx for your time,

Emilio Wuerges
LAPS - Systems Project Automation Laboratory
UFSC - Federal University of Santa Catarina
Brazil

Re: [Opencxx-users] Re2: Simple template processing

[Stefan S. <se...@sy...>]

Andrey,

could you please provide a *complete* test case that lets me easily
reproduce the failure. This should contain:

* all files I need (your main.cpp, simple.cpp)
* complete build instructions
* the expected result, as well as the actual result

I can of course guess all of this myself, but it takes up valuable time
that I could better spend actually fixing the bug you are reporting.

Thanks,
		Stefan

-- 

      ...ich hab' noch einen Koffer in Berlin...

[Opencxx-users] =?koi8-r?b?UmUyOiAgU2ltcGxlIHRlbXBsYXRlIHByb2Nl?= =?koi8-r?b?c3Npbmc=?=

[Andrey K. <kar...@li...>]

> This sounds like a bug that is easy to fix.

I would describe this situation in-depth.
Let's look on OpenCXX code:
Ptree* ClassWalker::TranslateAssign(Ptree* exp)
{
    using namespace PtreeUtil;
    
    Ptree *left, *left2, *right, *right2, *exp2;
    Environment* scope;
    Class* metaobject;
    TypeInfo type;

    left = First(exp);
    right = Third(exp);
    if (left->IsA(ntDotMemberExpr) || left->IsA(ntArrowMemberExpr)) {
        Ptree* object = First(left);
        Ptree* op = Second(left);
        Ptree* member = Third(left);
        Ptree* assign_op = Second(exp);
        Typeof(object, type);
        if(!Eq(op, '.'))
            type.Dereference();

        metaobject = GetClassMetaobject(type);
    }
...
}

GetClassMetaobject() function return NULL for non template class (from first letter).
It's work that:
Class* ClassWalker::GetClassMetaobject(TypeInfo& tinfo)
{
    Class* c;
    if(tinfo.IsClass(c))
        return c;
    else if(tinfo.IsReferenceType()){
        tinfo.Dereference();
        if(tinfo.IsClass(c))
            return c;
    }

    return 0;
}

In this code  tinfo.IsClass(c) return false, because translating template class. In result GetClassMetaobject() return 0 and lookup class member type is impossible (environment is absent). See code for lookup type in first letter. 

> Can you describe exactly what program / command line you used ? occ-core 
> doesn't appear to contain (or generate) an 'occ' executable.

I write own executable with main() like this:

int main() {
  std::ifstream stream;
  char* filename = "simple.cpp";
  stream.open(filename);
    ProgramFile program(stream, filename);
    
    Lex lexer(&program);
    ErrorLog &errorLog = TheErrorLog();
    Parser parser(&lexer, errorLog);

    Ptree* ptree = 0;
    ClassWalker walker(&parser);

    while (parser.rProgram(ptree))
      walker.Translate(ptree);

  }

Re: [Opencxx-users] Simple template processing

[Stefan S. <se...@sy...>]

?????? ?????? wrote:

> But for template class metaobject is NULL.
> How i can get [int] for template class?

This sounds like a bug that is easy to fix.

> P.S. I use occ-core-20050912.tar.gz.

Can you describe exactly what program / command line you used ? occ-core doesn't
appear to contain (or generate) an 'occ' executable.

(Sorry, I'm not very familiar with the current occ build procedure. It has been
a while...)

Regards,
		Stefan

PS: FWIW, the occ-core-20050912.tar.gz package's files have the wrong (DOS) line endings,
    meaning that the build instructions in BUILDING don't work (bash fails) unless I run
    dos2unix over the whole thing.

-- 

      ...ich hab' noch einen Koffer in Berlin...

[Opencxx-users] Simple template processing

[<kar...@li...>]

Please help my with template translating.
I know that template support in OpenCXX incomplete,
but i need simple thing.

For example we want process next code:

template<class T> class MyClass {
  int member;
};

void main() {
  MyClass<float> object;
  object.member = 1;
}

How we find out that type of (object.member) is "int" ?

I try next approach:

Ptree* ClassWalker::TranslateAssign(Ptree* exp) {
  .................
  metaobject = GetClassMetaobject(type);

  if (metaobject != NULL) {
    TypeInfo memberType;
    Environment *metaobjectEnv = metaobject->GetEnvironment();
    if (metaobjectEnv != NULL)
    {
      if (metaobjectEnv->Lookup(member, memberType))
      {
        Ptree *typeName = memberType.FullTypeName();
        if (typeName != NULL)
          typeName->Display();
      }
    }
  }
  .................
}

For non template class like this

class MyClass {
  int member;
};

void main() {
  MyClass object;
  object.member = 1;
}

on display we get 
[int]

But for template class metaobject is NULL.
How i can get [int] for template class?

P.S. I use occ-core-20050912.tar.gz.

[Opencxx-users] C Function Declarations

[Scott D. F. <sd...@ms...>]

Hi,
I am having a spot of trouble translating C function declarations
(ones without a definition, that is). Consider the following simple
program foo.cc and metaclass TransCFunc:

  int foo( int x = 5 );

  int main()
  {...}

  int foo( int x )
  {...}

//////////////////////////////////////////////////////////////////////

  char* const DEFAULT_METACLASS = "TransCFunc";

  class TransCFunc : public Class {
  public:
    static bool Initialize();
    ...
    void TranslateClass( Environment* env );
    void TranslateMemberFunction( Environment* env, Member& m );
  }; // class TransCFunc

  bool TransCFunc::Initialize()
  { ChangeDefaultMetaclass(DEFAULT_METACLASS);
    SetMetaclassForFunctions(DEFAULT_METACLASS);
    return true;
  }

  void TransCFunc::TranslateClass( Environment* env )
  { cout << "CLASS: " << Name()->ToString() << endl; }

  void TransCFunc::TranslateMemberFunction( Environment* env, Member& m )
  { cout << "MEMBER: " << Name()->ToString() << "::" <<
m.Name()->ToString() << endl; }

Running a compiler generated from TransCFunc on foo.cc gives the output:

  MEMBER: <C>::main
  MEMBER: <C>::foo

I would have expected TranslateMemberFunction() to get called for the
first foo() declaration, but this does not seem to be the case. Anyone
know how I can get it to translate?
Thanks, Scott

Re: [Opencxx-users] test build failure: Ubuntu Dapper Amd64/libtool

[skaller <sk...@us...>]

On Tue, 2006-07-25 at 10:14 -0400, Stefan Seefeld wrote:
> Gilles J. Seguin wrote:
> > On Mon, 2006-07-24 at 14:53 -0400, Stefan Seefeld wrote:
> >> skaller wrote:
> >>> On Mon, 2006-07-24 at 14:14 -0400, Stefan Seefeld wrote:
> >>>> skaller wrote:
> > [...]
> >>> In other words it generates an actual parse tree, rather than
> >>> an abstract syntax tree?
> > 
> > the "rather" may mislead, the parse tree is an augmented AST.
> 
> Well, considering how both representations are actually built,
> I would phrase it differently. You don't generate a parse tree
> from an AST by adding to it, but rather, you create an AST by
> removing ('abstracting away') things from the parse tree.

Of course I use the term AST loosely :) In theory it is a 
representation in abstract syntax which has specific 
mathematical properties which few production parser ASTs
actually have.

> Ideally, the tool can generate multiple representations, and let users
> control the processing pipeline, and only build the representation required
> for a particular task.

Of course this is very easy to do in functional language using
folds ..

-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net