Nyar High-Level Intermediate Representation

Task

• From text to AST
• Macro expand
• Fill missing lex level info

TEXT -> AST -> CSR -> CPS

Stage Abstract Syntax Tree

Remove all whitespace and comments (except documentation comments)

Stage Class Scope Resolver

Eliminate control flow keywords like

break, continue, fallthrough yield, yield_from

Transform such non-local exit to function call.

Identify tail calls and tail recursion.

Common subexpression elimination.

Stage Continuation Passing Style