example.newlang

#comments begin with a pound sign

#The script automatically calls the function "main" after loading it

#this is how you declare a function called "main"
START main:
	#do stuff
END #all functions finish with END

#this is how you write a function with arguments
START func a b:
	#do stuff
	RETURN 'hello world' #this is how you return a value
END

SET a = CALL func #this is how you set a variable from a function

#this is how you call a function (wrong number of arguments is a syntax error)
CALL func a b

#set a variable (strongly typed, 0 and FALSE are falsy, everything else is truthy)
SET number = 42 #optional trailing decimals
SET string = 'hello world'
SET boolean = TRUE
SET boolean = FALSE

#print to the console for debugging
PRINT string
PRINT 'hello world'

#conditionals
IF condition THEN:
	#do stuff
ELSE IF condition THEN:
	#do stuff
ELSE:
	#do stuff
ENDIF

#while loops
WHILE condition THEN:
	#do stuff
ENDWHILE

#conditionals
IF a EQUALS b THEN:
IF NOT a EQUALS b THEN: #not negates any conditional
IF a LTHAN b THEN:
IF a GTHAN b THEN:
IF a LTHAN EQUALS b THEN:
IF a GTHAN EQUALS b THEN:
#This is invalid; no AND and OR keywords: IF a AND b THEN:
#This is invalid; no AND and OR keywords: IF a OR b THEN:
#This is invalid; you can't nest conditionals: IF a LTHAN b AND c LTHAN d THEN:

#if every line was executed one-gamestep-at-a-time, then this could be possible
BRANCH func a b #fork the process, calling the function func with a and b as parameters; all globals are shared, never returns