JNGP - JassHelper - Bugs?

struct Way
        group units = null
         
        private static method addWay takes thistype wy returns nothing

        endmethod

        public static method create takes nothing returns Way
            local thistype wy = thistype.allocate()
                call thistype.addWay(wy)
                set wy.units = CreateGroup()
            return wy
        endmethod
endstruct

//Generated allocator of Way
function rf__s__Way__allocate takes nothing returns nothing
 local integer this=si__Way_F
    if (this!=0) then
        set si__Way_F=si__Way_V[this]
    else
        set si__Way_I=si__Way_I+1
        set this=si__Way_I
    endif
    if (this>-1) then
        call DisplayTimedTextToPlayer(GetLocalPlayer(),0,0,1000.,"Unable to allocate id for an object of type: Way")
set rf__return_integer= 0
return
    endif
    set s__Way_wayPoints[this]=(this-1)*8191
   set s__Way_units[this]= null
   set s__Way_ID[this]= 0
   set s__Way_curwpID[this]= 0
    set si__Way_V[this]=-1
set rf__return_integer= this
return
endfunction