Toronto

Toronto is a simple, general purpose programming language which compiles into javascript.

Toronto is still a work in progress.

Getting Started

Download Deno, which is an alternative JavaScript runtime to Node.

Then, download this repository and use it as a template, don't touch any of the files besides main.toronto.

Comments

To make a comment, use a # and then that entire line will be ignored.

# This is a comment.
# Use it as many times as you want.

Utilizing the console

To send data to the console, use the print keyword.

print "Hello World!"

To get data from the console use the input keyword.

var inp = input "What is your name?"

Creating Variables

To make a variable use the var keyword.

var string = "Hello World!"

To make a mutable variable use the mut keyword.

mut string = "Hello World!"
string = "Hello, World!"

Template Strings

A template string allows us to substitute values in the string for something else.

var name = "John Doe"
print 'Hello ${name}!'

Making functions

To make a function use the func keyword.

func sayHello(name){
	print 'Hello ${name}!'
}

Use return to return data.

func add(x,y){
	return x + y
}

Using builtin functions

Here are all the builtin functions, there arguments, and what they return.

• toInt accepts a string with a number in it, then returns that string as a integer.

print toInt("36") # >> 36

• sqrt accepts a number and returns the square root of that number.

print sqrt(25) # >> 5

• exec accepts a string containing toronto code and executes it. Does not return anything.

exec('print "Hello World"') # >> Hello World!

Asynchronous Functions

To make a function asynchronous, use the async keyword.

async func add(x,y){
	return x + y
}

This gives you access to the await keyword, which can be used to resolve promises.

Using the main function

In toronto, the majority of your code lives inside the main function. If you don't use the main function then your code will error.

async func main(){ # Main function does not have to be asynchronous.
	print add(1,3)
}

func add(x,y){
	return x + y
}

Creating a promise

To create a promise, use the promise keyword, followed by the name of the promise and the resolvable value.

promise hello = "Hello World!"

Then use the await keyword in an asynchronous function to resolve the promise.

print await hello