isbpl

Improved Stack-Based Programming Language

Incomplete, not currently compilable, only interpretable.

Stuff: TudbuT/isbpl-random-stuff

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ISBPL is similar to Lisp:

(print (+ 1 (* 1 2)))

is the same as

2 1 * 1 + print

or

(((2 1 *) 1 +) print)

in both languages, this will print 3.

These examples used the print function, which does not exist by default, instead, puts should be used in combination with _string.

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Objects, Functions, and Variables in ISBPL

OOP works like this:

• There are three separate function resolvers:
  • Object
  • Local
  • (Multiple more levels determined by the frame height)
  • Global
• They are executed in the order shown above
• The object resolver peeks onto the stack, gets the type of the object, and checks for methods on the type, if it finds one, it executes it
• The local resolver checks for functions defined in the current function, but not in any other function or area
• The global resolver checks for top-level functions, meaning ones that arent in any other function.
• Because variables are native functions under the hood, they are also called by the function resolvers
• Object-local variables are in a Table: Type?->Instance?->ID?->Value

To call a method of an object:

parameter1 parameter2 etc object method

As explained above, methods are resolved separately, and it is therefore not required to define them in any other way.