I built a programming language in C (Arc) with a custom interpreter

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GitHub - VxidDev/Arc: A simple, interpreted programming language written in C. · GitHub

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Arc

Arc is a small programming language project written in C. It focuses on building a clean and reliable frontend pipeline, along with a simple interpreter for evaluating expressions and basic variable assignments.

Documentation

For detailed information, please refer to the documentation in the docs/ folder:

Getting Started

Language Reference

Architecture

Features

Arc is a C-based programming language with a focus on a clean frontend pipeline and a simple interpreter. Key implemented features include:

Variables and Assignment: Declare and update variables using the VAR keyword.

Functions: Define custom functions with parameters and return values using the FN and RETURN keywords.

Native Functions: Support for built-in functions implemented in C for core functionalities like I/O, type checking, and error handling.

Control Flow:

Conditional Statements: IF, THEN, ELIF, ELSE for branching logic.

Loops: WHILE loops for repetitive execution.

Control Flow Statements : BREAK and CONTINUE for loop control.

Operators: Full support for arithmetic (+, -, *, /, ^), comparison (==, !=, , >, , >=), and logical (AND, OR) operations.

Data Types: Supports numbers, strings, and booleans.

Error Handling: Robust error reporting with position tracking.

Read-Eval-Print Loop (REPL): An interactive environment for executing Arc code directly.

Example

File Execution

Create a file named script.arc:

VAR x = 0

WHILE x

Running this file (./arc script.arc) will output:

Five

Roadmap

Logical NOT operator

Scoped environments

Bytecode virtual machine (long-term goal)

License

GPL-3.0

About

A simple, interpreted programming language written in C.

Topics

programming-language

performance

interpreter

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Readme

License

GPL-3.0 license

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