MyLang

A hobby compiler build by nearley.

Features

• Lexer
• Parser
• AST Tree as JSON format
• Generate JS as intermediate code

Statements

• While loop
• Variable
• Print
• Operator + - * / >= <= > < = :=

Using

$ node parser.js examples/hello-world.mylang
$ node examples/hello-world.js

Examples

Print

$ node parser.js examples/hello-world.mylang 
$ node examples/hello-world.js 

print 10

Loop

$ node parser.js examples/loop.mylang
$ node examples/loop.js

n := 1
while n < 10 {
	n := n + 1
	print n
}

Fibonacci

$ node parser.js examples/fib.mylang
$ node examples/fib.js

i := 1
n := 10
fi := 1
fii := 1
while i <= n {
	print fi
	temp := fi + fii
	fi := fii
	fii := temp
	i := i +1
}

TODO

• For
• Function
• Array value
• String value
• Boolean value

© Copyright Max Base 2021

Thanks from Toby Ho and Nearley (https://nearley.js.org/)