AgrYpn1a / ska-scheme

Scheme interpreter written in Scala.

Ska Scheme

Scheme interpreter written in Scala, based on PC Scheme 2.0.

Development progress

Core

• Core interpreter

Core builtin functions

• Function definitions, define
• Quoting with quote
• let environment expander
• let* incremental environment expander
• letrec recursive environment expander

Conditional expressions

• if expression
• cond expression

Lists

• Lists with cons
• Lists with list
• Lists car
• Lists cdr
• Lists c...r

Numerical functions

• Basic arithmetic operations: +, -, *, /
• Increment, decrement operators: add1, sub1
• Modulo modulo
• Remainder remainder

Logical and relational functions

• Comparison functions: <?, <=?, =, <= ...
• Equivalence functions: eq?, eqv?, equal?
• Util functions: null?, atom?, pair?, number?
• Logical operators: and, or, not

Additional Scheme functions

• append for working with lists
• delete! for working with lists
• even?, odd? for working with numbers
• proc? for recognizing functions as arguments

How to run from source?

Windows

Linux

Install sbt or by running sudo apt install sbt. Clone this repository, and from terminal navigate to root folder of the cloned repository. Run sbt from command line.

Once the interpreter is opened, type compile in order to build the project and type run in order to run. To run all tests type test.

How to use?

Coming soon...

How to contribute?

Coming soon...