CAN SOMEONE PLEASE HELP ME WITH THIS!!!!

Build a compiler for Jack -- a modern, object-based, Java-like language. The compiler construction spans two projects: 10 (Syntax Analysis) and 11 (Code Generation). In this project we build a syntax analyzer that parses programs according to the Jack grammar, producing an XML file that reflects the program's structure.

main txt

// This file is part of the materials accompanying the book

// "The Elements of Computing Systems" by Nisan and Schocken,

// MIT Press. Book site: www.idc.ac.il/tecs

// File name: projects/10/ArrayTest/Main.jack

/** Computes the average of a sequence of integers. */

class Main {

function void main() {

var Array a;

var int length;

var int i, sum;

let length = Keyboard.readInt("HOW MANY NUMBERS? ");

let a = Array.new(length);

let i = 0;

while (i < length) {

let a[i] = Keyboard.readInt("ENTER THE NEXT NUMBER: ");

let i = i + 1;

}

let i = 0;

let sum = 0;

while (i < length) {

let sum = sum + a[i];

let i = i + 1;

}

do Output.printString("THE AVERAGE IS: ");

do Output.printInt(sum / length);

do Output.println();

return;

}

}

mainT

-

class

Main

{

function

void

main

(

)

{

var

Array

a

;

var

int

length

;

var

int

i

,

sum

;

let

length

=

Keyboard

.

readInt

(

HOW MANY NUMBERS?

)

;

let

a

=

Array

.

new

(

length

)

;

let

i

=

0

;

while

(

i

<

length

)

{

let

a

[

i

]

=

Keyboard

.

readInt

(

ENTER THE NEXT NUMBER:

)

;

let

i

=

i

+

1

;

}

let

i

=

0

;

let

sum

=

0

;

while

(

i

<

length

)

{

let

sum

=

sum

+

a

[

i

]

;

let

i

=

i

+

1

;

}

do

Output

.

printString

(

THE AVERAGE IS:

)

;

do

Output

.

printInt

(

sum

/

length

)

;

do

Output

.

println

(

)

;

return

;

}

}