amandacmarques/medley

Introduction

Welcome to Medley! Medley is...

Medley is created by @Henno Kublin, @Amanda Marques, @Nick Morgan, @Megan Richardson, @Josh Seaman, and @Tigerlilly Zietz.

Features

• Statically Typed

Types & Variable Declarations

Keywords in Javascript	Medley
function	blend
return	squeeze
if()	ifmelon()
else if()	elifmelon()
else	elsemelon
for()	formelon()
while()	whilemelon()

Built In Functions

JavaScript	Medley
console.log(“Hello World!”);	juice "Hello World!" |

Primitive Types

Types in JavaScript	Types in Medley	Variable Declarations Example
string	stringberry	stringberry title is "medley" |
boolean	boolberry	boolberry bestLanguagee is true |
int	intberry	intberry teamSize is 6 |
float	floatberry	floatberry ourIQ is 156.7 |

Booomglean Types In Javascript	Boolean Types In Medley
true	organic
false	gmo

Data Types

Types in Javascript	Types in Medley	Variable Declaration Example in Medley
Array	berrybasket	berrybasket~stringberry~ s = ~"strawberry" ; "blueberry"~ |
Dictionary	fruitbasket	fruitbasket~stringberry, stringberry~ s = ~"key1","value1" ; "key2","value2"~ |

Binary Operators

Operation	Type Compatability
add plus	Strings, Numbers
subtract minus	Numbers
multiply times	Numbers
divide divby	Numbers
modulus mod	Numbers
less than less	Numbers
greater than more	Numbers
less than or equal to less equals	Numbers
greater than or equal to more equals	Numbers
strictly equal equals	Strings, Numbers, Booleans
logical AND apple	Booleans
logical OR orange	Booleans

Unary Operators

Operation	Type Compatability
negative -	Numbers
negation nut	Booleans
increment ++	Numbers
decrement --	Numbers

Comments

• Single Line: ::
• Block: ::: :::

Medley Examples

If Statements

ifmelon 1 plus 1 equals 2  ->
  juice "this is factual information" |
<-

For Loops

formelon intberry i is 10 | i more equals num | i-- ->
  juice "the number is " plus i |
<-

While Loops

intberry i is 2 | 
whilemelon i less 10 ->
  juice " " plus i |
  i++ |
<-

Hello World

Javascript:

console.log('Hello World');

Medley:

juice "Hello, World!" |

Fibonacci

Javascript:

function fibonacci(num) {
    var num1 = 0;
    var num2 = 1;
    var sum;
    var i = 0;
    for (i = 0; i < num; i++) {
        sum = num1 + num2;
        num1 = num2;
        num2 = sum;
    }
    return num2;
}

Medley:

blend fibonacci(intberry num) ->
    intberry num1 is 0 |
    intberry num2 is 1 |
    intberry sum |
    intberry i is 0 |
    formelon i is 0 | i less num | i++ ->
        sum is num1 plus num2 |
        num1 is num2 |
        num2 is sum |
    <-
    squeeze num2 |
<-

Function to find if a number is odd

Javascript:

def odd_or_even(num):
    if(num % 2 == 0) {
        console.log("The number is even.");
    } else {
        console.log("The number is odd.");
    }

Medley:

blend oddOrEven(intberry num) ->
    ifmelon num mod 2 equals 0 ->
        juice "The number is even." |
    <- elsemelon ->
        juice "The number is odd." |
    <-
<-

Fahrenheit to celsius

Javascript:

function toCelsius(fahrenheit) {
    return (5/9) * (fahrenheit-32);
}

Medley:

blend toCelsius(floatberry fahrenheit) ->
    squeeze (5 divby 9) times (fahrenheit minus 32) |
<-

First factorial

Javascript:

function firstFactorial(x) {
    if (x == 0 || x == 1) {
        return 1;
    }
    return x * firstFactorial(x - 1);
}

Medley:

blend firstFactorial(num) ->
    ifmelon num equals 0 or num equals 1 ->
        squeeze 1 |
    <-
    squeeze num times firstFactorial(num minus 1) |
<-

Types of Static Semantic Errors

• Incompatible types
• Variable has already been declared
• Use of a non-initialized variable
• Invalid variable type
• Invalid types used with add, sub, mult, div, or mod
• Incorrect use of unary operator
• Index out of range
• Type mismatch in declaration
• Function missing return statement
• Mismatched function return type
• Incorrect number of function parameters
• Function call does not exist
• Break outside of loops or task
• Unreachable statement
• Types are not compatible