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Monty Language Interpreter

About

  • This is an introductory project that explains:
  • What do LIFO and FIFO mean
  • What is a stack, and when to use it
  • What is a queue, and when to use it
  • What are the common implementations of stacks and queues
  • What are the most common use cases of stacks and queues
  • What is the proper way to use global variables
  • How to work with git submodules

Requirements

  • Ubuntu 20.04 LTS
  • gcc version 9.4.0 flags: -Wall -Werror -Wextra and -pedantic

Installation

  1. Clone the repository https://github.com/fatimasgit/holbertonschool-monty

  2. Compile the program gcc -Wall -Werror -Wextra -pedantic *.c -o monty

  3. Run the program as follows:

  • Usage: monty <file.m>
  • Ex: ./monty ./bytecodes/00.m

There are multiple .m files to choose from in the bytcodes files that run different Opcode functionality. Below is a table of all the Opcode options. Each file in the bytcodes folder contains different Opcodes that run their specific functionality.

Opcode Name Opcode Description
push pushes an element on to the stack
pall prints all the values on the stack, starting from the top
pint prints the value at the top of the stack
pop removes the top element of the stack
swap swaps the top two elements of the stack
add adds the top two elements of the stack
nop doesn't do anything
sub subtracts the top element of the stack from the second top element of the stack
div divides the second top element of the stack by the top element of the stack
mul multiplies the second top element of the stack with the top element of the stack
mod computes the modulus of the second top element of the stack by the top element of the stack
comments (#) add a # to the beginning of the line to comment in the file
pchar prints the ASCII equivalent of the number at the top of the stack
pstr prints the ASCII equivalent of the numbers stored in each element in the stack, starting from the top
rotl rotates the top element of the stack to the bottom of the stack
rotr rotates the bottom element of the stack to the top of the stack

Example

$ cat -e bytecodes/000.m
push 0$
push 1$
push 2$
  push 3$
                   pall    $
push 4$
    push 5    $
      push    6        $
pall$
$ ./monty ./bytecodes/000.m
3
2
1
0
6
5
4
3
2
1
0
$
---

Other files

  • monty.h - Header file; Contains function, struct and global variable declarations
  • bytecodes - A directory containing test files used while making this program

Technologies Used

  • Language: C
  • Operating System: gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1) (Trusty64)
  • Style: Betty
  • Compiler: GCC

Author

Sakina Mammadzade Fatima Mammadova