JassHelper 0.A.2.B - A vJass and Zinc 2 Jass compiler

[akolyt0r]

Got some issues with extended structs / interfaces ...

JASS:

private struct A extends INTER
    integer a = 0
    private static method test takes nothing returns nothing
        local timer t = GetExpiredTimer()
        local A this=GetTimerData(t)
        call ReleaseTimer(t)
        if this.print.exists then
            call this.print()
        endif    
    endmethod
    private method starttimer takes nothing returns nothing
        local timer t = NewTimer()
        call SetTimerData(t,this)
        call TimerStart(t,0,false,function A.test)
    endmethod
    static method create takes integer a returns A
        local A this = A.allocate()
        set this.a = a
        call this.starttimer()        
        return this
    endmethod
    static method allocate2 takes integer a returns A
        local A this = A.allocate()
        set this.a = a
        call this.starttimer()
        return this
    endmethod
endstruct

private struct B extends A
    method print takes nothing returns nothing
        call BJDebugMsg(I2S(this.a))
    endmethod
    static method create takes nothing returns B
        return B.allocate(1)
    endmethod
    static method create2 takes nothing returns B
        return B.allocate2(2)
    endmethod
endstruct


private function RunTest takes nothing returns nothing
    local B this = B.create()
    set this = B.create2()
endfunction

Calling RunTest should display:

1
2

but it only displays the "1"
(i am using 0.9.F.5)

The print method isnt called for B-instances allocated trough A.allocate2... dunno why

EDIT: Can it be that a A.allocate2 doesnt "create" a instance of type B ..but only an instance of type A ....
That would suck ...i want to have the possibility to have more than one allocator ..for type B

[Vexorian]

Can it be that a A.allocate2 doesnt "create" a instance of type B ..but only an instance of type A ....
That would suck

jasshelper isn't too much into sorcery, create is the only method that can become the child's allocate, theres no syntax or anything so that you could specify another constructor.

[Skater]

Hey, i think i found a bug.
You cannt declare custom static operators.

JASS:

struct test
    private static integer A

    static method operator a takes nothing returns integer
        return .A
    endmethod
endstruct

error:
Operator < cannot be static.

Ofcourse you could just use public static readonly integer A but for more complex things you have to use setters and getters.

[Vexorian]

Not a bug just a limitation, I guess I'll have to add them.

[xombie]

Originally Posted by Vexorian

keyword

The keyword statement allows you to declare a replacement directive for an scope without declaring an actual function/variable/etc. It is useful for many reasons, the most important of the reasons being that you cannot use a private/public member in an scope before it is declared, in most cases this limitation is no more than an annoyance requiring you to change the position of declarations, in other situations though this is a limitator of other features.

For example two mutually recursive functions may use .evaluate (keep reading this readme) to call each other, but if you also want the functions to be private it is impossible to do it without using keyword:

JASS:

scope myScope

   private keyword B //we were able to declare B as private without having to actually
                     //include the statement of the function which would cause conflicts.

   private function A takes integer i returns nothing
       if(i!=0) then
           return B.evaluate(i-1)*2 //we can safely use B since it was already
                                    //declared as a private member of the scope
       endif
       return 0
   endfunction

   private function B takes integer i returns nothing
       if(i!=0) then
           return A(i-1)*3
       endif
       return 0
   endfunction

endscope

This is from the keyword section of the JassHelper manual.

Sorry, I didn't really understand what this meant but I'm going to take a shot at it and hope I get it right. So basically, the keyword functions in vJass by telling the pre-compiler that you are "about" to declare something though it was unable to be declared where you wanted it.

I also have another question regarding array parameters after a struct's declaration, such as struct someStruct [9000]. I read what this compiled into and what I got from it was that it just enabled you to use more instances of the struct than the default 8190. The same would apply to adding those parameters to a global array declaration. Is this correct?

[akolyt0r]

Originally Posted by xombie

I also have another question regarding array parameters after a struct's declaration, such as struct someStruct [9000]. I read what this compiled into and what I got from it was that it just enabled you to use more instances of the struct than the default 8190. The same would apply to adding those parameters to a global array declaration. Is this correct?

Correct, however it will also decrease speed ...because it will add an if-condition to every operation with struct-member-variables...

[xombie]

Yea, I figured that much. Well its always nice to know.

[gekko]

Originally Posted by Vexorian

For that sort of thing libraries and scopes are exactly the same thing, so I just don't think this is true, you'll have to give actual examples.
.

Here you are, I finally could recreate the private keyword bug:

Code:

library A
    private keyword PRIV
    
    struct B        
        integer PRIV
    endstruct
    
    struct D
        integer PRIV
    
        method setPriv takes nothing returns nothing
            set .PRIV = 0
        endmethod
    endstruct

endlibrary

gives the error PRIV is no member of D, even though both structs are in the library that declares PRIV as a private keyword.

[Vexorian]

try with this.PRIV

[gekko]

Originally Posted by Vexorian

try with this.PRIV

shouldn't this be optional in this context?

[Vexorian]

yes. But try it.

[gekko]

Originally Posted by Vexorian

try with this.PRIV

yes, then it works. But I have seen other scenarios with private keyword, where you cant use this.. Seems that it is still a bit bugged. (again begging for something like friend, hating keyword stuff :( )

[Vexorian]

If I add friend it would still break here. This is a bug with the replacing stuff. It is ignoring the keywords after a single .

[gekko]

Originally Posted by Vexorian

If I add friend it would still break here. This is a bug with the replacing stuff. It is ignoring the keywords after a single .

Well then add friend and fix this and you get tons of

[akolyt0r]

JASS:

globals
   debug private real BLAH
   debug real BLOH
endglobals

BLAH throws error:
"undefined type private"...

BLOH works ...