malkaviano / interpreter

Idea taken from Design Patterns book GoF. Simple interpreter for resolving boolean expressions.

Interpreter

Simple Interpreter to parse boolean expressions, inspired by GoF design pattern. It tries to keep a fidelity to composite pattern.

How to use:

Pass any string with boolean expressions to Interpreter#interpret, variables can be used with a $ prefix, variable value must be specified in a hash used as a context and injected into Interpreter.

Info

• Expressions: and, or, not and derivated.
• Parentesis are accepted to define precedence.
• Case sensitive

TODO:

• Include expression code evaluation.
• Better check for mal formatted expressions