Methods & Classes using the command line.

> Hi,
>
> On Thu, Apr 13, 2017 at 6:57 PM, nacho <[hidden email]> wrote:
>
> > Hi pharoers,
> >
> > If I do the following in a minimal Pharo image, using the command line:
> >
> > ./Pharo --headless Pharo.image eval "Object subclass: #TestClass
> > instanceVariableNames: 'one' classVariableNames: '' package: 'IS-Test'."
> >
> > I get the class created. However, if I try to pass the following argument
> > to
> > eval:
> >
> > "Object subclass: #TestClass instanceVariableNames: 'one'
> > classVariableNames: '' package: 'IS-Test'. TestClass compile:'one ^one'
> > classified: 'accessor'."
>
>
> > I get an UndefinedObject>>DoIt (TestClass is Undeclared).
> >
>
> The problem is that the entire code is compiled at the same time. So, when
> the expression is compiled, the class TestClass does not exist yet. And
> what you see is a compiler warning.
>
> However, as soon as the class is created, the class is available to the
> already compiled code and should work.
>
> Moreover: if the TestClass was not created, you would have got an exception
> "nil does not understand compile:classified:" ;)
>
>
> >
> > At first I thought it could be that it takes sometime to compile the class,
> > so added some delay:
> >
> > "Object subclass: #TestClass instanceVariableNames: 'one'
> > classVariableNames: '' package: 'IS-Test'. (Delay forSeconds: 5) wait.
> > TestClass compile:'one ^one' classified: 'accessor'."
> >
> > But again: UndefinedObject>>DoIt (TestClass is Undeclared).
> >
> > I even tried to do:
> >
> > "Object subclass: #TestClass instanceVariableNames: 'one'
> > classVariableNames: '' package: 'IS-Test'. Smalltalk saveAndQuit."
> >
> > and after that add only a method by passing:
> >
> > "TestClass compile:'one ^one' classified: 'accessor'. Smalltalk
> > saveAndQuit."
> >
>
> This is strange because, the class is created and you're saving the
> image... If I try:
>
> ./pharo Pharo.image eval "Object subclass: #TestClass
> instanceVariableNames: 'one'
> classVariableNames: '' package: 'IS-Test'. TestClass compile:'one ^one'
> classified: 'accessor'. TestClass"
>
> (note that I just aded *TestClass * at the end) I get the following output:
>
> =>
> UndefinedObject>>DoIt (TestClass is Undeclared)
>
> UndefinedObject>>DoIt (TestClass is Undeclared)
> TestClass
>
> That is: two compiler warnings. + the class that is printed at the end.
>
> So it's working well on my end, delta the confusing warnings.
>
>
> > But again: UndefinedObject>>DoIt (TestClass is Undeclared)
> >
> > How do I add a method to a class using the command line?
> > Thanks in advance
> > Nacho
> >
> >
> >
> > -----
> > Nacho
> > Smalltalker apprentice.
> > Buenos Aires, Argentina.
> > --
> > View this message in context: http://forum.world.st/Methods-
> > Classes-using-the-command-line-tp4941977.html
> > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
> >
> >