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https://github.com/musale/monkey
An interpreter for a C-like language named "monkey" that is written in Go
https://github.com/musale/monkey
go interpreters
Last synced: 27 days ago
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An interpreter for a C-like language named "monkey" that is written in Go
- Host: GitHub
- URL: https://github.com/musale/monkey
- Owner: musale
- License: mit
- Created: 2019-12-02T08:06:12.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2020-05-21T11:35:20.000Z (over 4 years ago)
- Last Synced: 2024-03-16T02:40:35.631Z (10 months ago)
- Topics: go, interpreters
- Language: Go
- Homepage:
- Size: 60.5 KB
- Stars: 2
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Monkey
Monkey is a C-like interpreter for the `monkey language` that is built in the book ["Writing an interpreter in Go"](https://interpreterbook.com) by Thorsten Ball.
## Prerequisites
Before you begin, ensure you have met the following requirements:
- You have knowledge of programming and can do so in Go.
- You have Go v1.7+ installed.
## Language Features
- [x] Function literals.
- [x] First class and Higher Order Functions.
- [x] Closures.
- [x] Variable Bindings.
- [x] Prefix and Infix operations.
- [x] Builtin Data types;
- [x] Booleans.
- [x] Strings.
- [x] Hashes.
- [x] Integers.
- [x] Arrays.
- Builtin functions
- [x] `len` for length of iterables.
- [x] `first` for first element in an array.
- [x] `last` for the last element in an array.
- [x] `rest` for the elements in an array except the first.
- [x] `push` to add a new element to the end of the array.
## Personal TODOs:
- Read source code input from files.
- Support Unicode characters.
- Support floating point numbers.
- Postfix operations [?].
- Improve Syntax errors and stack errors.
- Add support for multiline strings.
- Improve string lexing i.e. check for opening and closing double quotes.
## Installing monkey
To install monkey, follow these steps:
- Clone this repository and then:
`$ cd monkey`
- And then build a binary
`$ go build cmd/* -o monkey`
- Finally run the binary
`$ ./monkey`
## Using monkey
To use monkey, follow these steps:
```
$ ./monkey
Hello mus!
__,__
.--. .-" "-. .--.
/ .. \/ .-. .-. \/ .. \
| | '| / Y \ |' | |
| \ \ \ 0 | 0 / / / |
\ '- ,\.-"""""""-./, -' /
''-' /_ ^ ^ _\ '-''
| \._ _./ |
\ \ '~' / /
'._ '-=-' _.'
'-----'
>> 1 + 1
3
>> let newAdder = fn(x) { fn(y) { x + y } };
>> let addTwo = newAdder(2);
>> addTwo(3);
5
```
## Contributing to monkey
To contribute to monkey, follow these steps:
1. Fork this repository.
2. Create a branch: `git checkout -b `.
3. Make your changes and commit them: `git commit -m ''`
4. Push to the original branch: `git push origin /`
5. Create the pull a request.
## Contact
If you want to contact me you can reach me at [email protected].
## License
This project uses the following license: [MIT](/LICENSE).