Oxido

Table of Contents:

• Oxido
  • Installation
  • Uninstallation
  • Usage
  • Syntax
    • Data types
    • Variables
    • Reassignments
    • Printing
    • If statements
    • Loop statements
    • Functions
    • Exiting

Oxido is a dynamic interpreted programming language basing most of its syntax on Rust. Conventionally, the files may end with the o extension, however Oxido ignores the extension.

Installation

Oxup, the official installer can be used to install the latest release from GitHub.

oxup install

Uninstallation

You can use oxup to remove the current installation.

oxup uninstall

Usage

You can run an Oxido file using the oxido command. The files may end with the o extension, however Oxido ignores the extension, and runs the file as-is.

oxido <filename>

For example:

oxido ./main.o

Conventionally, base Oxido files are named main.o.

Syntax

Data types

• String: A string is any value inside " (double quotes) passing the regex \"[A-Za-z0-9 !]+\".

• Integer: Integers (no fractions), passing the regex [0-9]+.

Variables

Variables are declared by the let keyword, followed by a space and the identifier, which must pass the regex [A-Za-z]+, followed by an equals sign and the value which must be a single string or an integer or an expression of integers, or a variable itself.

For example:

let a = "Hi mom!";
let a = 5;
let a = 5 * 5;

Reassignments

Reassignments are done stating the identifier, which must pass the regex [A-Za-z]+, followed by an equals sign and the value which must be a single string or an integer or an expression of integers, or a variable itself.

let a = 0;
a = "Hi mom!";
a = 5;
a = 5 * 5;

Printing

The print keyword can be used to print variables, expressions and strings to stdout, the value must be inside two parentheses.

print(a);
print(5);
print(5 * 5);
print("Hello world");

If statements

If statements check whether the given condition is true or not using the == or < or > operator. The == is applicable on strings and integers both, while < or > can only be used on integers. The condition must be followed after the code to be executed in the case the condition is true in curly braces {}.

if a == 5 {
    print(a);
}

Loop statements

Loop statements repeat given conditions until break is called.The conditions to be executed in the loop must be followed after the loop keyword in {}.

let b = 0;

loop {
    b = b + 1;

    if b == 5 {
        print("Hi mom!");
        break;
    }

    print(b);
}

Functions

Funcitons store the given conditions until they are called. They are declared with the fn keyword, followed by a space and the name of the function, the name must be a valid identifier, followed by args, seperated by commas in [] and the conditions in {}.

let text = "Hi mom!";

fn message[text] {
    print(text);
}

message[text];

Exiting

The exit keyword can be used to exit the program with the specified exit code

let code = 1;

exit(code);