syntax.md

OxyPy Language Syntax

Variables and Data Types

Basic Types

let name: string = "John"
let age: i32 = 25
let height: f32 = 5.9
let isStudent: bool = true
let numbers: list = [1, 2, 3, 4, 5]

Supported Data Types

• Integers: i32, i64
• Floats: f32, f64
• Boolean: bool
• String: string
• List: list

Functions

Function Definition

fn greet(name: string) -> string {
    return "Hello, " + name
}

fn add(a: i32, b: i32) -> i32 {
    return a + b
}

Function Calls

let message = greet("Alice")
let sum = add(10, 20)

Classes

Class Definition

class Person {
    public {
        name: string
        age: i32
    }
    
    public {
        fn greet(self) -> string {
            return "Hello, my name is " + self.name
        }
        
        fn set_age(self, new_age: i32) {
            self.age = new_age
        }
    }
}

Class Usage

let person = Person { name: "Alice", age: 30 }
print(person.greet())
person.set_age(31)

Control Flow

If-Else Statements

if ( age >= 18 ){
    print("Adult")
} else {
    print("Minor")
}

While Loops

let i: i32 = 0
while ( i < 5 ){
    print(i)
    i = i + 1
}

For Loops with Ranges

for (i in ./[0,5,1]) {
    print(i)
}

Built-in Functions

• print(args...) - Print values to stdout
• println(args...) - Print values to stdout with newline
• len(string|list) - Get length of string or list
• current_time() - Get current timestamp
• to_string(value) - Convert value to string
• parse_int(string) - Parse string to integer

Operators

Arithmetic Operations

• + Addition
• - Subtraction
• * Multiplication
• / Division
• % Modulo
• ! Logical NOT

Comparison Operations

• == Equal
• != Not equal
• > Greater than
• < Less than
• >= Greater than or equal
• <= Less than or equal

Logical Operations

• && AND
• || OR

Comments

Single-line comments using //:

// This is a comment
let x: i32 = 42  // End-of-line comment