WSHVirtualMachine

Array.prototype.findAndReturnIndex = function (element) {
    var array = Object(this);

    for (var i = 0; i < array.length; i++){
        if (array[i] === element)
            return i;
    }

    return -1;
};

function main() {
    var fso = new ActiveXObject("Scripting.FileSystemObject")
    var ts = fso.OpenTextFile(WSH.arguments(0))
    var inputData = ts.ReadAll()

    if (inputData.length === 0){
        WSH.echo('Wrong input file!')
        return;
    }

    inputData += ' exit';

    var memory = inputData.split(/\s+/);

    var ip = 0;
    var dif = 0;

    for (var i = 0; i < memory.length; i++){
        WSH.echo('В ячейке ', i, ' хранится ', memory[i]);
    }

    while(memory[ip] !== 'exit'){
        switch (memory[ip]){
            case 'input':
                WSH.echo('Type number');
                memory[memory[ip + 1]] = parseFloat(WScript.StdIn.ReadLine());
                ip += 2;
                break;
            case 'output':
                WSH.echo('Result: ' + memory[memory[ip + 1]]);
                ip += 2;
                break;
            case 'plus':
                memory[memory[ip + 1]] = memory[memory[ip + 3]] + memory[memory[ip + 2]];
                ip += 4;
                break;
            case 'multiplication':
                memory[memory[ip + 1]] = memory[memory[ip + 3]] * memory[memory[ip + 2]];
                ip += 4;
                break;
            case 'mod':
                memory[memory[ip + 1]] = memory[memory[ip + 2]] % memory[memory[ip + 3]];
                ip += 4;
                break;
            case 'mov':
                memory[memory[ip + 1]] = Number(memory[ip + 2]);
                ip += 3;
                break;
            case 'assign':
                memory[memory[ip + 1]] = memory[memory[ip + 2]];
                ip += 3;
                break;
            case 'dif':
                dif = memory[memory[ip + 1]] -  memory[memory[ip + 2]];
                ip += 3;
                break;
            case 'jump':
                ip = memory.findAndReturnIndex(memory[ip + 1] + ':') + 1;
                break;
            case 'jumpLarge':
                if (dif > 0){
                    ip = memory.findAndReturnIndex(memory[ip + 1] + ':') + 1;
                }
                else
                {
                    ip += 2;
                }
                break;
            case 'jumpEqual':
                if (dif === 0){
                    ip = memory.findAndReturnIndex(memory[ip + 1] + ':') + 1;
                }
                else
                {
                    ip += 2;
                }
                break;
            case 'equal':
                if (memory[memory[ip + 1]] === memory[memory[ip + 2]]){
                    ip = memory[ip + 3];
                }
                else{
                    ip += 4;
                }
                break;
            case 'unequal':
                if (memory[memory[ip + 1]] !== memory[memory[ip + 2]]){
                    ip = memory[ip + 3]
                }
                else{
                    ip += 4;
                }
                break;
            case 'exit':
                return;
            default:
                if (memory[ip].charAt(memory[ip].length - 1) === ':')
                {
                    ip += 1
                }
                break;
        }
    }
}

main();