Simple Interpreter

Simple interpreter for Pascal language built using Python. This interpreter was built following the Let's Build a Simple Interpreter tutorial. This is an experiment project, the aim is have fun and learn more about compilers & interpreters.

How to use it

This interpreter can either process a file or run in the REPL mode.

Basically, we have to follow the steps bellow:

Clone this repository
Install all dependencies (see setup)
Process a Pascal file (see process a file)
REPL version (see REPL version)

Development

1. Setup

To properly run this interpreter, we should install the dependencies:

make setup

2. Running tests

We have two kinds of tests implemented: unit tests and behaviour tests. We can run the tests with the following commands:

make tests   # Run both unit and behaviour tests
make unit-tests
make behaviour-tests

3. Processing a Pascal file

We can run the application and see the web version of this interpreter. Just have to run the command bellow:

make run <filename>.pas

4. REPL

This interpreter also has a REPL mode that can be enable with the following command:

make run-repl

Running inside docker

To run this interpreter inside docker, we have to follow the commands bellow:

Install docker
Build simple interpreter image
```
docker build -t simple-interpreter
```

Run commands using docker

docker run -i -v `pwd`:/simple-interpreter make tests

Useful links

1 - Let's build a simple interpreter

License

LucasMagnum/simple-interpreter

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