3 Syntax Objects and Macros🔗ℹ

Rhombus’s use of shrubbery notation makes it possible to provide convenient forms for matching and constructing syntactic terms. A syntax object encapsulates shrubbery structure—enriched with binding information and metadata such as source locations—without requiring that the shrubbery parses as an existing form. Pieces of a syntax object can be extracted via pattern matching and then spliced into new syntax-object constructions, which is the main work of defining syntactic forms through macros.