[Vm-dev] [Cog] Cannot generate code anymore

[Eliot Miranda]

Hi Igor,




On Wed, Dec 19, 2012 at 4:59 AM, Igor Stasenko <siguctua at gmail.com> wrote:

>
> Hello,
>
> i am lost (again) what , where, and how things should be initialized,
> and in what order
> in order to generate code for Cog.
>
> After Esteban merged VMMaker with latest , i ran into issue with
> 'isPushNilFunction' == nil.
>
> The problem is that it is class instance variable..


>
> Since i made own subclass of
>
> StackToRegisterMappingCogit
>
> and doing
>
> 'myclass initializeWithOptions: ... '
>
> it initializes isPushNilFunction variable properly there.
>
> Now at early stages of code generation a run into error, because
> CCodeGenerator walks over superclasses and doing #addClass:
> for each..
>
> it breaks in
> StackToRegisterMappingCogit class>>declareCVarsIn: aCodeGen
>
>                 >>      declareC: 'sqInt (*isPushNilFunction)(struct
> _BytecodeDescriptor
> *,sqInt,sqInt,sqInt) = ', (aCodeGen cFunctionNameFor:
> isPushNilFunction);
>
> because, of course isPushNilFunction variable has separate value for
> this class than in my subclass.


OK, I'll make an accessor.

-- 
best,
Eliot
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