The Swas programming language
This is a language that was made for fun.
Installation
Step 0: Make sure you have python installed
Step 1. Clone this repo or download it as a zip
Step 2. Run pip install -r requirements.txt
This is all that you need to do to start writing in swas lang.
Running
python -m swas [filename]
The filename is optional, if no filename is provided it will run the shell.
Getting Started
Hello World
output "Hello, World!"
Variables
Variables are containers for storing data.
Creating Variables
Swas has no command for declaring a variable.
A variable is created the moment you first assign a value to it.
x => 5
y => "Mark"
Using Variables
To use the variables, simply reference them
output x
output y
Case Sensitive
Note: Variables names are case sensitive i.e. a => 5 is not the same as A => 5
Operators
Operators are used to perform operations on variables and values.
Arithmetic Operators
| Operator | Name | Example |
|---|---|---|
| + | Addition | x + y |
| - | Subtraction | x - y |
| * | Multiplication | x * y |
| / | Division | x / y |
| % | Modulus | x % y |
| inc | Increment | inc x |
| dec | Decrement | dec x |
Logical Operators
| Operator | Name | Example |
|---|---|---|
| == | Equals | x == y |
| != | Not Equals | x != y |
| > | Greater than | x > y |
| >= | Greater than or equal to | x >= y |
| < | Lesser than | x < y |
| <= | Lesser than or equal to | x <= y |
Join Operator ( & )
The Join Operator ( & ) lets you join 2 statements into 1.
Example
output "Hi" & output "Bye"
The Assignment Operator ( => )
The Assignment Operator ( => ) is used to assign a variable to a value.
If Else
An "if else statement" is written by using the if and else keywords.
Syntax
if condition => {
statement
}
else => {
statement
}
Note: The indentation isn't needed, it has been used here for readability
Example
name => input "Enter your name: " &
if name == "John" => {
output "hi," + name
}
else => {
output "bye," + name
}
While Do
With the while loop you can execute a set of statements as long as a condition is true.
Syntax
while condition
do {
statement
}
Note: The indentation isn't needed, it has been used here for readability
Example
start => 1 &
end => 10 &
while start != end
do {
output start & inc start
}
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