• Python 3.x
• ANTLR 4.x

On Ubuntu Linux 24.04 you need to install a number of packages:

A simple fraction calculator written in Python with a lexer/parser in ANTLR 4.x.

python3 src/main.py "1/2 + 2/3"

sudo apt install antlr4

A simple fraction calculator written in Python with a lexer/parser in ANTLR 4.x.

python3 src/main.py "1/2 + 2/3"

• Python 3.x
• ANTLR 4.x

On Ubuntu Linux 24.04 you need to install a number of packages:

sudo apt install antlr4 python3-antlr4

You can generate the lexer and parser with the following command:

antlr4 -Dlanguage=Python3 calculator.g4