simple-basic-script-interpreter

A simple and basic scripting language + interpreter, inteded to be an example for educational purposes.

Keywords in the Language

Keyword	Definition
#	Comment
LET	Defines a variable, optionally provide an initial value.
SET	Sets a variable to the value of another variable or an integer literal.
PRINT	Prints out a variable to the standard output.
ADD	Adds a variable with the value of another variable or an integer literal.
SUB	Subtracts from a variable the value of another variable or an integer literal.
MUL	Multiplies a variable with the value of another variable or an integer literal.
DIV	Divides a variable with the value of another variable or an integer literal.
MOD	Performs Modulus on a variable with the value of another variable or an integer literal.
INPUT	Reads an integer from standard input and sets the value of a variable to it.
DO	Places the "do pointer" at that line.
WHILE_NEQ	Compares a variable with the value of another variable or an integer literal, and jumps to the "do pointer" if they are not equal.

It's worth noting that although nested do loops are not possible, you can use multiple WHILE_NEQ following a DO - and simulate the effect of a nested do loop.

Provided Example Programs

• fibonacci.basic
• power_of_two.basic
• decimal_to_binary.basic