The Interpreter Programming Project
Syntax of the Biola programming language A sample source program prime.txt written in BIOLA to probe for prime numbers
User interface module (a demo executable)	Step 1: Implementing a user interface class
Lexical scanner module (a demo executable)	Step 2: Implementing a lexical scanner class
Expression evaluator module (a demo executable)	Step 3: Implementing an expression evaluation class
A partially functional interpreter Download the skeleton framework here.	Step 4: A partial implementation of the interpreter)
A fully functional interpreter (a demo executable together with a couple of sample source programs)	Step 5: Full implementation of the interpreter