My language (work in progres)

sample.py

# My pet language

int: Int32 #Start at 0
int: Int64 #Start at 0
int: Float #Start at 0.0
num: Num #Start at 0.0, DECIMAL / default number type
name: Str # UTf8
IsTrue: Bool #Start at false
today: Date = 2002-08-10  #Start at 0000-00-00
hour: Hour = 10:00:00 #24 H format  #Start at 00:00:00
todayHoue: DateTime = 2002-08-10-10:00:00
path: Path = /root  #Start at /
range: [1..2]  #Se debe incializar explicitamente

data: Dict = {num:name}  #Start at {}
dataTyped: Dict<Number,String> = {num:name}
things: List = [num, name, IsTrue] #Start at []
thingsTyped: List<String> = [name]
error?: ERROR #? say is nullable. Start at NULL

PI = 3.1416 #All CAPS means CONSTANT

#Looping
for thing in things:
    print(thing)

for i in range(1,10):
    print(i)

for IsTrue: #Reemplaza while.
    print("Yep forever!")

    break

for: #While forecer
    print("Infinite!")

if IsTrue:
    print("Yep") 

text:
    Just text %(IsTrue)s

#Inline function
doubleMe x : x + x 

#Private function. Start with "_" mean private
def _sample:
    print("hi")

#Public function with return value.
def sample : String
var:
    IsOk:Bool
body: 
    return "hi"

#Public function with multiple return values
def sample : Str, Error?
input:
    param1:Str
    param2:Number
    params: *List
body:
    return text:
        Hola [param1] [param2] [params]
    None

class Person:
    name:Str

    def print: Str
    text:
        Documentacion
    input:
        times:Int32
    body:
        for i in range(1,times):
            print(self.name)

#Herencia
class Moderator:
    embed: Person

mamcx = Moderator()

mamcx.print() #Los metodos de Person se invocan

#PowerType. Similar to declare a field in a RDBMS

type Mayuscula:Str
    #Ejecuta al asignar el valor
    def transform: Str
        return self.raw.toUpper()

    def require:Bool,Error?
        return assert(len(self.value)>0,Error("[self.name] no puede estar vacio")

miNombre:Mayuscula = "mario"
print(miNombre)
>> MARIO

miNombre = "" #RuntimeError: miNombre can't be empty 

#Funcion con PowerType

def sample:
input:
    nombre:Mayuscula
body: 
    print(nombre)

sample("") #RuntimeError: miNombre can't be empty 

#Function hook

def startDef:
    self.cache['start'] = now

def endDef:
    performance.register(self.function.__name,'time', now - self.cache['start'])

hook(sample,pre = startDef, post = endDef)

#Instrument

server= instrument.Attach('/c:/Proyecto/Programa.exe', ApiKey= '****')

server.hook(sample,pre = startDef, post = endDef)

print performance