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Phil Haack

2007-Sep-28 06:46 UTC

[Ironruby-core] Passing a .NET object to the RubyEngine...

Hi All, I posted some code for calling IronRuby code I found in the mailing
list onto the wiki.

 

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp

 

  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);

 

The only thing is, I don''t know how to pass a .NET object to the
context of
the RubyEngine so it can be called from within the script. I''d like to
update the example with that.

 

Any help?

 

Phil

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Eric Nicholson

2007-Sep-28 13:38 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);
A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to
Ruby Strings yet.
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric

On 9/28/07, Phil Haack <haacked at gmail.com>
wrote:>
>  Hi All, I posted some code for calling IronRuby code I found in the
> mailing list onto the wiki.
>
>
>
> http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp
>
>
>
>   RubyEngine re = RubyEngine.CurrentEngine;
>
>   string script = "s = ''let us get started''" +
Environment.NewLine
>
>     + "i = s.length");
>
>   re.ExecuteCommand(script);
>
>
>
> The only thing is, I don''t know how to pass a .NET object to the
context
> of the RubyEngine so it can be called from within the script. I''d
like to
> update the example with that.
>
>
>
> Any help?
>
>
>
> Phil
>
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
>
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Eric Nicholson

2007-Sep-28 13:39 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Whoops ... missing some semicolons there.  Can you tell I spend most of my
day in VB.NET?

On 9/28/07, Eric Nicholson <enicholson at gmail.com>
wrote:>
> Here''s a quick example:
>
> RubyEngine re = RubyEngine.CurrentEngine;
> IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule
>
>   string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"
>
>  mod.SetVariable("var", ".NET")
>
>   re.ExecuteCommand(script, mod);
> A couple things to note:
> 1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings
> to Ruby Strings yet.
> 2. I''m not sure why you need to pass in the default module to
> ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
> otherwise.
>
> -Eric
>
> On 9/28/07, Phil Haack <haacked at gmail.com> wrote:
>
> >  Hi All, I posted some code for calling IronRuby code I found in the
> > mailing list onto the wiki.
> >
> >
> >
> > http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp
> >
> >
> >
> >   RubyEngine re = RubyEngine.CurrentEngine;
> >
> >   string script = "s = ''let us get
started''" + Environment.NewLine
> >
> >     + "i = s.length");
> >
> >   re.ExecuteCommand(script);
> >
> >
> >
> > The only thing is, I don''t know how to pass a .NET object to
the context
> > of the RubyEngine so it can be called from within the script.
I''d like to
> > update the example with that.
> >
> >
> >
> > Any help?
> >
> >
> >
> > Phil
> >
> > _______________________________________________
> > Ironruby-core mailing list
> > Ironruby-core at rubyforge.org
> > http://rubyforge.org/mailman/listinfo/ironruby-core
> >
> >
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Stefan Hüttenrauch

2007-Sep-28 14:49 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Nice stuff Eric,

 

Have you already passed real objects back and forth between Ruby and C#?? That
would be the real cool stuff. I will hack a little tomorrow I guess, but if you
have any tips already, that would be great.

 

Thanks

Stefan

 

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Eric Nicholson
Sent: Freitag, 28. September 2007 15:40
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

 

Whoops ... missing some semicolons there.  Can you tell I spend most of my day
in VB.NET?

On 9/28/07, Eric Nicholson < enicholson at gmail.com <mailto:enicholson at
gmail.com>> wrote:
Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);

A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to
Ruby Strings yet. 
2. I''m not sure why you need to pass in the default module to
ExecuteCommand,
but I wasn''t able to evaluate the variable in Ruby otherwise.

-Eric

On 9/28/07, Phil Haack <haacked at gmail.com> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing
list onto the wiki.

 

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp 

 

  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);

 

The only thing is, I don''t know how to pass a .NET object to the
context of the
RubyEngine so it can be called from within the script. I''d like to
update the
example with that.

 

Any help?

 

Phil


_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org 
http://rubyforge.org/mailman/listinfo/ironruby-core

 

 

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Eric Nicholson

2007-Sep-28 14:55 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Well, technically between Ruby and VB.Net, but yeah, absolutely, works quite
well too.

The string above is actually a "real" object the way Ruby sees it, so
it''s
basically the same.  I''ll put a quick example together if no one beats
me to
it.

-Eric

On 9/28/07, Stefan H?ttenrauch <stefan.huettenrauch at hpi.uni-potsdam.de>
wrote:>
>  Nice stuff Eric,
>
>
>
> Have you already passed real objects back and forth between Ruby and C#??
> That would be the real cool stuff. I will hack a little tomorrow I guess,
> but if you have any tips already, that would be great.
>
>
>
> Thanks
>
> Stefan
>
>
>
> *From:* ironruby-core-bounces at rubyforge.org [mailto:
> ironruby-core-bounces at rubyforge.org] *On Behalf Of *Eric Nicholson
> *Sent:* Freitag, 28. September 2007 15:40
> *To:* ironruby-core at rubyforge.org
> *Subject:* Re: [Ironruby-core] Passing a .NET object to the RubyEngine...
>
>
>
> Whoops ... missing some semicolons there.  Can you tell I spend most of my
> day in VB.NET?
>
> On 9/28/07, *Eric Nicholson* < enicholson at gmail.com> wrote:
>
> Here''s a quick example:
>
> RubyEngine re = RubyEngine.CurrentEngine;
> IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule
>
>   string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"
>
>  mod.SetVariable("var", ".NET")
>
>   re.ExecuteCommand(script, mod);
>
> A couple things to note:
> 1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings
> to Ruby Strings yet.
> 2. I''m not sure why you need to pass in the default module to
> ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
> otherwise.
>
> -Eric
>
> On 9/28/07, *Phil Haack* <haacked at gmail.com> wrote:
>
>   Hi All, I posted some code for calling IronRuby code I found in the
> mailing list onto the wiki.
>
>
>
> http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp
>
>
>
>   RubyEngine re = RubyEngine.CurrentEngine;
>
>   string script = "s = ''let us get started''" +
Environment.NewLine
>
>     + "i = s.length");
>
>   re.ExecuteCommand(script);
>
>
>
> The only thing is, I don''t know how to pass a .NET object to the
context
> of the RubyEngine so it can be called from within the script. I''d
like to
> update the example with that.
>
>
>
> Any help?
>
>
>
> Phil
>
>
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
>
>
>
>
>
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
>
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Cory Foy

2007-Sep-28 15:02 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

That''s what I was thinking too. Here''s what I put together:

class Program
{
    static void Main(string[] args)
    {
         RubyEngine re = RubyEngine.CurrentEngine;
         IScriptModule scriptModule =
ScriptDomainManager.CurrentManager.Host.DefaultModule;
         string script = "require ''CSIronRuby''; puts
''Hello, '' + var.GetName.to_s + ''
World!''";
         MyName name = new MyName();
         scriptModule.SetVariable("var", name);
         re.ExecuteCommand(script, scriptModule);
         Console.ReadLine();
    }
}

public class MyName
{
    public string Name = "Cory";

    public string GetName()
    {
         return Name;
    }
}

For some reason, I was having difficulty getting it to output just Name - I just
didn''t want to tear into it.

Cory

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Stefan H?ttenrauch
Sent: Friday, September 28, 2007 10:49 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Nice stuff Eric,

Have you already passed real objects back and forth between Ruby and C#?? That
would be the real cool stuff. I will hack a little tomorrow I guess, but if you
have any tips already, that would be great.

Thanks
Stefan

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Eric Nicholson
Sent: Freitag, 28. September 2007 15:40
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Whoops ... missing some semicolons there.  Can you tell I spend most of my day
in VB.NET<http://VB.NET>?
On 9/28/07, Eric Nicholson < enicholson at gmail.com<mailto:enicholson at
gmail.com>> wrote:
Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);
A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to Ruby Strings yet.
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric
On 9/28/07, Phil Haack <haacked at gmail.com<mailto:haacked at
gmail.com>> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing list
onto the wiki.



http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp



  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);



The only thing is, I don''t know how to pass a .NET object to the
context of the RubyEngine so it can be called from within the script.
I''d like to update the example with that.



Any help?



Phil

_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org <mailto:Ironruby-core at rubyforge.org>
http://rubyforge.org/mailman/listinfo/ironruby-core


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Charles Oliver Nutter

2007-Sep-28 16:12 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Eric Nicholson wrote:> Here''s a quick example:
> 
> RubyEngine re = RubyEngine.CurrentEngine;
> IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule
> 
>   string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"
> 
>  mod.SetVariable("var", ".NET")
> 
>   re.ExecuteCommand(script, mod);
> 
> A couple things to note:
> 1. var.to_s is necessary because I don''t think IR is coercing CLR 
> Strings to Ruby Strings yet.
> 2. I''m not sure why you need to pass in the default module to 
> ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
> otherwise.
How can this work? In order for var to be available in the script, it 
would have to be added into the toplevel scope. This would either mean 
that var is now available in all toplevel scopes across the system 
(incompatible with Ruby) or that it would only be available in the 
current thread''s scope above toplevel (which would prevent seeing it in
other threads. I''m a little confused. In JRuby we opted to not allow 
external variable binding into the eventual execution scope, because it 
seemed to violate that the scope should be created fresh for each script 
execution.

- Charlie

Eric Nicholson

2007-Sep-28 17:28 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Someone at MS can probably answer this better than I, but I''m guessing
that
passing in the module explicitly to the ExecuteCommand statement is what
makes this work.  If you leave off that optional parameter the variable
isn''t directly accessible.

You can always create a new module fairly easily and pass that in as well if
you''d rather.

On 9/28/07, Charles Oliver Nutter <charles.nutter at sun.com>
wrote:>
> Eric Nicholson wrote:
> > Here''s a quick example:
> >
> > RubyEngine re = RubyEngine.CurrentEngine;
> > IScriptModule mod >
ScriptDomainManager.CurrentManager.Host.DefaultModule
> >
> >   string script = "puts ''Ruby and '' + var.to_s
+ '' together at last''"
> >
> >  mod.SetVariable("var", ".NET")
> >
> >   re.ExecuteCommand(script, mod);
> >
> > A couple things to note:
> > 1. var.to_s is necessary because I don''t think IR is coercing
CLR
> > Strings to Ruby Strings yet.
> > 2. I''m not sure why you need to pass in the default module to
> > ExecuteCommand, but I wasn''t able to evaluate the variable in
Ruby
> > otherwise.
>
> How can this work? In order for var to be available in the script, it
> would have to be added into the toplevel scope. This would either mean
> that var is now available in all toplevel scopes across the system
> (incompatible with Ruby) or that it would only be available in the
> current thread''s scope above toplevel (which would prevent seeing
it in
> other threads. I''m a little confused. In JRuby we opted to not
allow
> external variable binding into the eventual execution scope, because it
> seemed to violate that the scope should be created fresh for each script
> execution.
>
> - Charlie
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
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Cory Foy

2007-Sep-28 17:33 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Sorry, ignore the require line in the script - that was cruft left over from
something else I was doing and isn''t needed.

Cory

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Cory Foy
Sent: Friday, September 28, 2007 11:02 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

That''s what I was thinking too. Here''s what I put together:

class Program
{
    static void Main(string[] args)
    {
         RubyEngine re = RubyEngine.CurrentEngine;
         IScriptModule scriptModule =
ScriptDomainManager.CurrentManager.Host.DefaultModule;
         string script = "require ''CSIronRuby''; puts
''Hello, '' + var.GetName.to_s + ''
World!''";
         MyName name = new MyName();
         scriptModule.SetVariable("var", name);
         re.ExecuteCommand(script, scriptModule);
         Console.ReadLine();
    }
}

public class MyName
{
    public string Name = "Cory";

    public string GetName()
    {
         return Name;
    }
}

For some reason, I was having difficulty getting it to output just Name - I just
didn''t want to tear into it.

Cory

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Stefan H?ttenrauch
Sent: Friday, September 28, 2007 10:49 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Nice stuff Eric,

Have you already passed real objects back and forth between Ruby and C#?? That
would be the real cool stuff. I will hack a little tomorrow I guess, but if you
have any tips already, that would be great.

Thanks
Stefan

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Eric Nicholson
Sent: Freitag, 28. September 2007 15:40
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Whoops ... missing some semicolons there.  Can you tell I spend most of my day
in VB.NET<http://VB.NET>?
On 9/28/07, Eric Nicholson < enicholson at gmail.com<mailto:enicholson at
gmail.com>> wrote:
Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);
A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to Ruby Strings yet.
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric
On 9/28/07, Phil Haack <haacked at gmail.com<mailto:haacked at
gmail.com>> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing list
onto the wiki.

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp

  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);

The only thing is, I don''t know how to pass a .NET object to the
context of the RubyEngine so it can be called from within the script.
I''d like to update the example with that.

Any help?

Phil

_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org <mailto:Ironruby-core at rubyforge.org>
http://rubyforge.org/mailman/listinfo/ironruby-core

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Phil Haack

2007-Sep-28 17:36 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Nice! I''ll update the wiki. This worked for me.

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Eric Nicholson
Sent: Friday, September 28, 2007 6:38 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);

A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to
Ruby Strings yet. 
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric

On 9/28/07, Phil Haack <haacked at gmail.com> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing
list onto the wiki.

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp 

  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);

The only thing is, I don''t know how to pass a .NET object to the
context of
the RubyEngine so it can be called from within the script. I''d like to
update the example with that.

Any help?

Phil

_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org
http://rubyforge.org/mailman/listinfo/ironruby-core

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Charles Oliver Nutter

2007-Sep-28 17:48 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Eric Nicholson wrote:> Someone at MS can probably answer this better than I, but I''m
guessing
> that passing in the module explicitly to the ExecuteCommand statement is 
> what makes this work.  If you leave off that optional parameter the 
> variable isn''t directly accessible. 
> 
> You can always create a new module fairly easily and pass that in as 
> well if you''d rather.
Local variables aren''t stored in modules though; unless this is adding 
an attribute, which would seem really wrong.

- Charlie

Eric Nicholson

2007-Sep-28 18:09 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

I believe there are two types of "Modules" at play here.  I think a
DLR
"Module" is something more like a scope than the Ruby
"Module".

On 9/28/07, Charles Oliver Nutter <charles.nutter at sun.com>
wrote:>
> Eric Nicholson wrote:
> > Someone at MS can probably answer this better than I, but I''m
guessing
> > that passing in the module explicitly to the ExecuteCommand statement
is
> > what makes this work.  If you leave off that optional parameter the
> > variable isn''t directly accessible.
> >
> > You can always create a new module fairly easily and pass that in as
> > well if you''d rather.
>
> Local variables aren''t stored in modules though; unless this is
adding
> an attribute, which would seem really wrong.
>
> - Charlie
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
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Tomas Matousek

2007-Sep-28 19:45 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

This is part of the hosting API we provide for host applications so that they
can pass objects to and from a dynamic language (be it Ruby or Python), execute
some code within some scope etc.

This API gradually undergoes major changes and it isn''t fully
compatible with Ruby''s semantics today. We already have some design on
"paper" (needs to be polished/reviewed still) that makes it right.
It''s implementation will take some time though. The code bellow should
kind of work (there is a little tweak to the variable binding in the Ruby
compiler to allow it) until we provide some better way. Good news is that we
found a way how to do the integration right for Ruby, so all features listed
above (passing objects there and back, executing code, etc) will be available in
future.

Tomas

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Cory Foy
Sent: Friday, September 28, 2007 8:02 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

That''s what I was thinking too. Here''s what I put together:

class Program
{
    static void Main(string[] args)
    {
         RubyEngine re = RubyEngine.CurrentEngine;
         IScriptModule scriptModule =
ScriptDomainManager.CurrentManager.Host.DefaultModule;
         string script = "require ''CSIronRuby''; puts
''Hello, '' + var.GetName.to_s + ''
World!''";
         MyName name = new MyName();
         scriptModule.SetVariable("var", name);
         re.ExecuteCommand(script, scriptModule);
         Console.ReadLine();
    }
}

public class MyName
{
    public string Name = "Cory";

    public string GetName()
    {
         return Name;
    }
}

For some reason, I was having difficulty getting it to output just Name - I just
didn''t want to tear into it.

Cory

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Stefan H?ttenrauch
Sent: Friday, September 28, 2007 10:49 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Nice stuff Eric,

Have you already passed real objects back and forth between Ruby and C#?? That
would be the real cool stuff. I will hack a little tomorrow I guess, but if you
have any tips already, that would be great.

Thanks
Stefan

From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Eric Nicholson
Sent: Freitag, 28. September 2007 15:40
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

Whoops ... missing some semicolons there.  Can you tell I spend most of my day
in VB.NET<http://VB.NET>?
On 9/28/07, Eric Nicholson < enicholson at gmail.com<mailto:enicholson at
gmail.com>> wrote:
Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);
A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to Ruby Strings yet.
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric
On 9/28/07, Phil Haack <haacked at gmail.com<mailto:haacked at
gmail.com>> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing list
onto the wiki.



http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp



  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);



The only thing is, I don''t know how to pass a .NET object to the
context of the RubyEngine so it can be called from within the script.
I''d like to update the example with that.



Any help?



Phil

_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org <mailto:Ironruby-core at rubyforge.org>
http://rubyforge.org/mailman/listinfo/ironruby-core


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Phil Haack

2007-Sep-28 22:19 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

I updated the demo code in the wiki based on the code snippet here.

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp

 

I?ll try and make sure it stays up to date. J

 

Phil

 

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Tomas Matousek
Sent: Friday, September 28, 2007 12:46 PM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

 

This is part of the hosting API we provide for host applications so that
they can pass objects to and from a dynamic language (be it Ruby or Python),
execute some code within some scope etc. 

 

This API gradually undergoes major changes and it isn?t fully compatible
with Ruby?s semantics today. We already have some design on ?paper? (needs
to be polished/reviewed still) that makes it right. It?s implementation will
take some time though. The code bellow should kind of work (there is a
little tweak to the variable binding in the Ruby compiler to allow it) until
we provide some better way. Good news is that we found a way how to do the
integration right for Ruby, so all features listed above (passing objects
there and back, executing code, etc) will be available in future.

 

Tomas

 

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Cory Foy
Sent: Friday, September 28, 2007 8:02 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

 

That?s what I was thinking too. Here?s what I put together:

 

class Program

{

    static void Main(string[] args)

    {

         RubyEngine re = RubyEngine.CurrentEngine;

         IScriptModule scriptModule
ScriptDomainManager.CurrentManager.Host.DefaultModule;

         string script = "require ''CSIronRuby''; puts
''Hello, '' +
var.GetName.to_s + '' World!''";

         MyName name = new MyName();

         scriptModule.SetVariable("var", name);

         re.ExecuteCommand(script, scriptModule);

         Console.ReadLine();

    }

}

 

public class MyName

{

    public string Name = "Cory";

 

    public string GetName()

    {

         return Name;

    }

}

 

For some reason, I was having difficulty getting it to output just Name ? I
just didn?t want to tear into it.

 

Cory

 

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Stefan H?ttenrauch
Sent: Friday, September 28, 2007 10:49 AM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

 

Nice stuff Eric,

 

Have you already passed real objects back and forth between Ruby and C#??
That would be the real cool stuff. I will hack a little tomorrow I guess,
but if you have any tips already, that would be great.

 

Thanks

Stefan

 

From: ironruby-core-bounces at rubyforge.org
[mailto:ironruby-core-bounces at rubyforge.org] On Behalf Of Eric Nicholson
Sent: Freitag, 28. September 2007 15:40
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Passing a .NET object to the RubyEngine...

 

Whoops ... missing some semicolons there.  Can you tell I spend most of my
day in VB.NET?

On 9/28/07, Eric Nicholson < enicholson at gmail.com
<mailto:enicholson at gmail.com> > wrote:

Here''s a quick example:

RubyEngine re = RubyEngine.CurrentEngine;
IScriptModule mod = ScriptDomainManager.CurrentManager.Host.DefaultModule

  string script = "puts ''Ruby and '' + var.to_s +
'' together at last''"

 mod.SetVariable("var", ".NET")

  re.ExecuteCommand(script, mod);

A couple things to note:
1. var.to_s is necessary because I don''t think IR is coercing CLR
Strings to
Ruby Strings yet. 
2. I''m not sure why you need to pass in the default module to
ExecuteCommand, but I wasn''t able to evaluate the variable in Ruby
otherwise.

-Eric

On 9/28/07, Phil Haack <haacked at gmail.com> wrote:

Hi All, I posted some code for calling IronRuby code I found in the mailing
list onto the wiki.

 

http://ironruby.rubyforge.org/wiki/wiki.pl?ExecutingIronRubyFromCSharp 

 

  RubyEngine re = RubyEngine.CurrentEngine;

  string script = "s = ''let us get started''" +
Environment.NewLine

    + "i = s.length");

  re.ExecuteCommand(script);

 

The only thing is, I don''t know how to pass a .NET object to the
context of
the RubyEngine so it can be called from within the script. I''d like to
update the example with that.

 

Any help?

 

Phil


_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org 
http://rubyforge.org/mailman/listinfo/ironruby-core

 

 

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Josh Nursing

2007-Sep-30 19:24 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

BTW, Charles,

congrats on the release of JRuby.

Josh Nursing

Charles Oliver Nutter wrote:

Charles Oliver Nutter

2007-Oct-01 02:23 UTC

head link

[Ironruby-core] Passing a .NET object to the RubyEngine...

Josh Nursing wrote:> BTW, Charles,
> 
> congrats on the release of JRuby.
Well, it isn''t a new release yet; the current release is still the
1.0.1
maintenance release we cut this summer. I just blogged about the 
compiler being complete, and it will be shipped with the 1.1 release 
(candidate) in November.

Thanks for the congrats though :)

- Charlie

Ironruby core - Sep 2007 - Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...

[Ironruby-core] Passing a .NET object to the RubyEngine...