OpenVBS

The Script Engine for the BASIC-2020.

Description

This is a script engine for the modern BASIC powered by the Jujube core. It is compatible with VBScript and has the modern features added. In addition, the Classic-ASP layer is implemented(on the way) as a library, so you can port your website to the Linux. more...

Sample.obs

Bingo Machine:

option explicit: randomize:

dim machine = BingoMachine({})
machine.shuffle(1000)

dim taker = BingoTaker({}, machine)
doeach(taker.take, function(v) wscript.echo(v): end function)



function BingoMachine(self)
    self.balls   = [ 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,
                    21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
                    41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,
                    61,62,63,64,65,66,67,68,69,70,71,72,73,74,75]
    self.shuffle = function(n)
                    dim last = self.balls.length-1
                    do while n--
                        dim r = int(rnd()*last)
                        dim tmp = self.balls(r)
                        self.balls(r) = self.balls(last)
                        self.balls(last) = tmp
                    loop
                end function
    return self
end function

function BingoTaker(self, machine)
    self.machine = machine
    self.i       = machine.balls.length
    self.take    = function()
                    return if self.i then self.machine.balls(--self.i) else empty end if
                end function
    return self
end function

function doeach(eachee, dofunc)
    10 DIM E = EACHEE()
    20 IF ISEMPTY(E) THEN EXIT FUNCTION: END IF
    30 DOFUNC(E)
    40 GOTO 10
end function

How to build

[Windows] x64 Native Tools Command Prompt for VS 2019

> nmake -f makefile.win

[OSX] Xcode gcc

$ make -f makefile.osx

[Linux] GNU gcc

$ make -f makefile.linux

Usage

$ ./oscript sample.obs
$ echo "wscript.echo 123" | ./oscript

more...

Licence

CC-BY

Author

NaturalStyle PREMIUM

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yrm.20191209