Charr Lang

version: 0.0.2

(Early development)

---

Running the language:

You can give the CharrLang shell a test run for the syntax basics by visting this link: https://replit.com/@charlotte-2222/charr-lang?v=1

If you wish to run the language on your own machine, you are welcome to clone/or fork the repository. At the moment Charr is not ready for extended use, but it is capable of running .charr files to some extent.

Updates:

The current version of CharrLang now supports compilation of .charr files, as well as running syntax in the shell. On a previous version, I broke the shell; and that version remained stable on replit.

I wouldn't say I'm quite done yet, I'd like to keep working on both the shell, compiler, and further development of the language.

Eventually I'll upload to pypi.

General Syntax:

Writing Hello World is fairly easy. out="Hello, World!
One could also write:

Data Types

List/Arrays

List/Array(s) contains of elements of the same type (either int, float, string, bool).

They can be created using the following syntax:

var = [1, 2, 3, 4, 5]

Variables

These objects are used to store data.

Creating a variable

Charr does not declare explicit variables, variables are created when they are assigned to.

var = 1
foo = "bar"

Case Sensitivity

Charr variables are case sensitive.

Comments

Charr supports comments, which are lines starting with a // character.

// This is a comment

Operations, Logic Operators, and Assignment Operators

Arithmetic Operators

Charr supports the following arithmetic operators:

Operator	Name	Example
+	Addition	1 + 1
-	Subtraction	1 - 1
*	Multiplication	1 * 1
/	Division	1 / 1
%	Modulus	1 % 1
^	Exponent	x^y
inc	Increment	inc val
dec	Decrement	dec val

Logical Operators

Charr supports the following logical operators:

Operator	Name	Example
==	Equality	1 == 1
!=	Inequality	1 != 1
<	Less than	1 < 2
>	Greater than	1 > 2
<=	Less than or equal to	1 <= 2
>=	Greater than or equal to	1 >= 2

Assignment Operators

The assignment operator = is used to assign a value to a variable.

If Statements

Charr supports if statements.

if (condition) {
    // code to execute if condition is true
}
else{
    // code to execute if condition is false
}

Example:

 if counter % 5 == 0
            { output "Buzz" }
        else
            { output counter }

While Do Loops

With the while loop, we can execute a block of code as long as a condition is true.

while condition 
do{
    // code to execute
}

Example

precision = 100000
total = 0
counter = 0

while counter < precision
do {
    odd = (2 * counter + 1)
    if (counter % 2 == 0)
        { total = total + 1/odd }
    else
        { total = total - 1/odd }
    inc counter
}

pi = 4 * total
output pi

That's all for the time being.

Author: Charlotte Childers
Date of documentation: August 3rd, 2022

Contacts:

• Website Links
• Github
• Twitter
• LinkedIn
• Email

Feel free to contact me regarding this language or any other questions, comments, or concerns. Email would be the best way to get a response.