Interpreter/Compiler in Rust

Create a compiler to parse, evaluate and execute a simple programming language (also custom defined).

Feature set

• Create a simple language which supports common features such as
  • Variable bindings
  • Arithmetic expressions
  • Functions
  • Strings/Arrays
• Create an interpreter to parse the source code, including
  • Lexer
  • Parser
  • Abstract Syntax Tree
  • Evaluator for AST
• Bytecode compiler and virtual machine to execute bytecode

Supported data-types:

• Booleans
• Numerals
  • Ints
  • Floats
• Strings
• Hash/Dictionary (dynamically typed)

Example of supported programming statements/expressions:

let x = 10; // identifiers
let y = {"key1": "str", "key2": 5}; // dictionary, string

x + 20; // arithmetic, accessing variables
fn compare(a, b) {
    a == b
} // function declaration, comparison operators
compare(3.0, 3.1) // function invokation, floats

Installation

1. Clone the repository
2. Install Rust using the steps mentioned here.
3. Run the project using the following possible commands:

// to run in Compile mode
cargo run compile
// OR, run in Evaluator mode
cargo run eval