├── .gitignore ├── LICENSE ├── info.rkt └── ragg ├── Makefile ├── cfg-parser └── cfg-parser.rkt ├── codegen ├── codegen.rkt ├── flatten.rkt ├── lang │ └── reader.rkt ├── runtime.rkt ├── satisfaction.rkt └── sexp-based-lang.rkt ├── examples ├── 01-equal.rkt ├── 0n1.rkt ├── 0n1n.rkt ├── baby-json.rkt ├── bnf.rkt ├── lua-parser.rkt ├── nested-word-list.rkt ├── python-grammar.rkt ├── simple-arithmetic-grammar.rkt ├── simple-line-drawing.rkt ├── simple-line-drawing │ ├── examples │ │ └── letter-i.rkt │ ├── grammar.rkt │ ├── interpret.rkt │ ├── lang │ │ └── reader.rkt │ ├── lexer.rkt │ └── semantics.rkt ├── statlist-grammar.rkt └── wordy.rkt ├── info.rkt ├── lang └── reader.rkt ├── manual.scrbl ├── private └── internal-support.rkt ├── rules ├── lexer.rkt ├── parser.rkt ├── rule-structs.rkt ├── runtime.rkt ├── stx-types.rkt └── stx.rkt ├── support.rkt └── test ├── exercise-python-grammar.rkt ├── test-01-equal.rkt ├── test-0n1.rkt ├── test-0n1n.rkt ├── test-all.rkt ├── test-baby-json.rkt ├── 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