beautiful-racket/beautiful-racket-demo/hdl-tst-demo/parser.rkt

#lang brag

tst-program : load-expr output-file-expr compare-to-expr output-list-expr /";" test-expr*

load-expr : /"load" ID /","

output-file-expr : /"output-file" ID /","

compare-to-expr : /"compare-to" ID /","

output-list-expr : /"output-list" column [column]+

/column :  ID FORMAT-STRING

@test-expr : step-expr+ /";"

@step-expr : (set-expr | eval-expr | output-expr) [/","]

set-expr : /"set" ID VAL

eval-expr : /"eval"

output-expr : /"output"