[Pas2js] @pointer/reference inside ASM block - missing feature

[Michael Van Canneyt]

On Sat, 9 Jun 2018, warleyalex via Pas2js wrote:

> Michael Van Canneyt wrote
>> Why do you need @ ?
>
> //----VERSION 1 # compile but does not work
> -------------------------------------------
>  P1 := TPerson.new;
>  P1.Name:= 'John';
>  P1.Age:= 52;
>  P1.Status:= true; 
>
> function Myfunction(const aValue: String): String;
> begin
>  console.log(aValue);
>  result := aValue;
> end;
>
> {...}
> begin
>  // code here
>  asm
>    window.Myfunction1 = Myfunction(P1.Name);  // -->Uncaught
> ReferenceError: Myfunction is not defined
>  end;
>
> end;
> //---------------------------------------------------------------------------------------------
> The pas2js compiler does neither parse, nor check the syntax of the JS;
> smart linking did omit the Myfunction1 method, and I've got  the "Uncaught
> ReferenceError: Myfunction is not defined"

You cannot just use the Myfunction name from Javascript. 
It's probably more something like $mod.Myfunction

See e.g.

https://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/utils/pas2js/docs/translation.html?view=co#asm

> //------- VERSION 3 # using @prefix suggestion
> -------------------------------
> {...}
> begin
>  // code here
>  asm
>    window.Myfunction1 = @Myfunction(P1.Name);  // --> should work as well
>  end;
>
> end;
>
> //----------------------------------------------------------------------------
> In Version 3, pas2js compiler quickly figure out that is an Object Pascal
> variable, understands the @ character and it will initialize/auto include
> the Myfunction for us. :)

Maybe one day it should just recognize

   asm
     window.Myfunction1 = Myfunction(P1.Name);  // --> should work as well
   end;

There is no need for the @ sign.

Michael.