Python Interpreter

Script Interpreter implements in Python

This is my attempt to create a new programing language, the language called ALPL and the interpreter implemented in Python. The program should get a "alpl" script and execute it, The program expect to get a file with extension ".alpl" as a command-line argument.

In this phase the ALPL language contains only six commands, the following is a description and rules of the language:

• The language only deals with positive or negative integer numbers
• There are ten registers numbered R0 - R9, each register can hold an integer number
• All the language tokens are in UPPERCASE
• Each line includes exactly one command or label, there are no multiline commands
• A label is an alphanumeric token followed by a colon (the token can’t be a command or a register name)
• When the program reaches the end of file it is ended

The solution includes the following scripts:

• main.py - the entry point and create the execution plan
• lexer.py - where we parse the source code and create execution tokens
• statements.py - where we initial the execution objects
• executer.py - where we execute the execution plan line by line
• tracer.py - where we set the tracer mode

Usage:

python main.py FILE_NAME (ALPL code file)

The source code on Github