R2

R2 interpreter codes with concrete comments. This is a good start for PL learning.

Features

• Functional Environments
• Lexical Scoping

TODOs

• give an explain to the puzzle
• verify the puzzle
• arrays, recursion and etc.
• error report
• data structure(env) with higher effciency
• AST Construction to eliminate ambiguity

Acknowledge

Yin Wang's Blog