dev-elider-3
Matthew Butterick 9 years ago
parent 73f61936ba
commit 8345b0a0dd

@ -4,9 +4,17 @@
;; everything is prefixed br: whether it needs it or not so it can be stripped by #lang br ;; everything is prefixed br: whether it needs it or not so it can be stripped by #lang br
(define-for-syntax (syntax-flatten stx)
(flatten
(let loop ([stx stx])
(define maybe-list (syntax->list stx))
(if maybe-list
(map loop maybe-list)
stx))))
(define-for-syntax (generate-literals pats) (define-for-syntax (generate-literals pats)
;; generate literals for any symbols that are not ... or _ or _underscore-prefixed ;; generate literals for any symbols that are not ... or _ or _underscore-prefixed
(for*/list ([pat-arg (in-list (flatten (map (λ(stx) (or (syntax->list stx) stx)) (syntax->list pats))))] (for*/list ([pat-arg (in-list (syntax-flatten pats))]
[pat-datum (in-value (syntax->datum pat-arg))] [pat-datum (in-value (syntax->datum pat-arg))]
#:when (and (symbol? pat-datum) #:when (and (symbol? pat-datum)
(not (eq? pat-datum '...)) (not (eq? pat-datum '_)) (not (eq? pat-datum '...)) (not (eq? pat-datum '_))
@ -51,7 +59,7 @@
(syntax-case stx (LITERAL ...) (syntax-case stx (LITERAL ...)
[pat (syntax-parameterize ([caller-stx (make-rename-transformer #'stx)]) [pat (syntax-parameterize ([caller-stx (make-rename-transformer #'stx)])
body ...)] ... body ...)] ...
[else (raise-syntax-error 'define-cases (format "no matching case for syntax pattern `~a`" (syntax->datum stx)) (syntax->datum #'top-id.name))])) [else (raise-syntax-error 'define-cases (format "no matching case for syntax pattern ~v" (syntax->datum stx)) (syntax->datum #'top-id.name))]))
(if (not (syntax? result)) (if (not (syntax? result))
(datum->syntax stx result) (datum->syntax stx result)
result))))] result))))]
@ -136,10 +144,10 @@
(br:define #'plusser #'plus) (br:define #'plusser #'plus)
(check-equal? (plusser 42) +) (check-equal? (plusser 42) +)
(check-equal? plusser +) (check-equal? plusser +)
(br:define #'(times _ARG) #'(* _ARG _ARG)) (br:define #'(times [nested _ARG]) #'(* _ARG _ARG))
(check-equal? (times 10) 100) (check-equal? (times [nested 10]) 100)
(br:define #'timeser #'times) (br:define #'timeser #'times)
(check-equal? (timeser 12) 144) (check-equal? (timeser [nested 12]) 144)
(br:define #'fortytwo #'42) (br:define #'fortytwo #'42)
(check-equal? fortytwo 42) (check-equal? fortytwo 42)
(check-equal? (let () (check-equal? (let ()
@ -152,11 +160,11 @@
(br:define #'(redefine _id) #'(define _id 42)) (br:define #'(redefine _id) #'(define _id 42))
(redefine zoombar) (redefine zoombar)
(check-equal? zoombar 42)) (check-equal? zoombar 42))
;; use caller-stx parameter to introduce identifier unhygienically ;; use caller-stx parameter to introduce identifier unhygienically
(br:define #'(zam _arg1 _arg2 _arg3) (br:define #'(zam _arg1 _arg2 _arg3)
(with-syntax ([dz (datum->syntax caller-stx 'dirty-zam)]) (with-syntax ([dz (datum->syntax caller-stx 'dirty-zam)])
#`(define dz 'got-dirty-zam))) #`(define dz 'got-dirty-zam)))
(zam 'this 'that 42) (zam 'this 'that 42)
(check-equal? dirty-zam 'got-dirty-zam)) (check-equal? dirty-zam 'got-dirty-zam))

@ -0,0 +1,5 @@
#lang br
(module+ reader
(require "hdl/reader.rkt")
(provide (all-from-out "hdl/reader.rkt")))

@ -0,0 +1,259 @@
#reader(lib"read.ss""wxme")WXME0108 ##
#|
This file uses the GRacket editor format.
Open this file in DrRacket version 6.4.0.15 or later to read it.
Most likely, it was created by saving a program in DrRacket,
and it probably contains a program with non-text elements
(such as images or comment boxes).
http://racket-lang.org/
|#
22 7 #"wxtext\0"
3 1 6 #"wxtab\0"
1 1 8 #"wximage\0"
2 0 8 #"wxmedia\0"
4 1 34 #"(lib \"syntax-browser.ss\" \"mrlib\")\0"
1 0 16 #"drscheme:number\0"
3 0 44 #"(lib \"number-snip.ss\" \"drscheme\" \"private\")\0"
1 0 36 #"(lib \"comment-snip.ss\" \"framework\")\0"
1 0 93
(
#"((lib \"collapsed-snipclass.ss\" \"framework\") (lib \"collapsed-sni"
#"pclass-wxme.ss\" \"framework\"))\0"
) 0 0 43 #"(lib \"collapsed-snipclass.ss\" \"framework\")\0"
0 0 19 #"drscheme:sexp-snip\0"
0 0 36 #"(lib \"cache-image-snip.ss\" \"mrlib\")\0"
1 0 68
(
#"((lib \"image-core.ss\" \"mrlib\") (lib \"image-core-wxme.rkt\" \"mr"
#"lib\"))\0"
) 1 0 29 #"drscheme:bindings-snipclass%\0"
1 0 101
(
#"((lib \"ellipsis-snip.rkt\" \"drracket\" \"private\") (lib \"ellipsi"
#"s-snip-wxme.rkt\" \"drracket\" \"private\"))\0"
) 2 0 88
(
#"((lib \"pict-snip.rkt\" \"drracket\" \"private\") (lib \"pict-snip.r"
#"kt\" \"drracket\" \"private\"))\0"
) 0 0 34 #"(lib \"bullet-snip.rkt\" \"browser\")\0"
0 0 25 #"(lib \"matrix.ss\" \"htdp\")\0"
1 0 22 #"drscheme:lambda-snip%\0"
1 0 29 #"drclickable-string-snipclass\0"
0 0 26 #"drracket:spacer-snipclass\0"
0 0 57
#"(lib \"hrule-snip.rkt\" \"macro-debugger\" \"syntax-browser\")\0"
1 0 1 6 #"wxloc\0"
0 0 63 0 1 #"\0"
0 75 1 #"\0"
0 12 90 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 0 9
#"Standard\0"
0 75 15 #"Triplicate T3c\0"
0 16 90 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 -1 -1 2 24
#"framework:default-color\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 255 255 255 -1 -1 2
1 #"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 150 0 150 0 0 0 -1 -1 2 15
#"text:ports out\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 119 34 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1.0 0 -1 -1 93 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 255 0 0 0 0 0 -1
-1 2 15 #"text:ports err\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 136 17 17 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 175 0 0 0 -1 -1 2 17
#"text:ports value\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 34 119 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1
-1 2 27 #"Matching Parenthesis Style\0"
0 -1 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1
-1 2 1 #"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 37
#"framework:syntax-color:scheme:symbol\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 34 119 0 0 0 -1 -1 2 38
#"framework:syntax-color:scheme:keyword\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 34 119 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 194 116 31 0 0 0 -1 -1 2
38 #"framework:syntax-color:scheme:comment\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 119 34 119 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 37
#"framework:syntax-color:scheme:string\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 119 34 0 0 0 -1 -1 2 35
#"framework:syntax-color:scheme:text\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 119 34 0 0 0 -1 -1 2 39
#"framework:syntax-color:scheme:constant\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 119 34 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 49
#"framework:syntax-color:scheme:hash-colon-keyword\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 119 34 0 0 0 -1 -1 2 42
#"framework:syntax-color:scheme:parenthesis\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 178 178 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 36
#"framework:syntax-color:scheme:error\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 136 17 17 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 36
#"framework:syntax-color:scheme:other\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 34 34 119 0 0 0 -1 -1 2 16
#"Misspelled Text\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2
38 #"drracket:check-syntax:lexically-bound\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 28
#"drracket:check-syntax:set!d\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 136 17 17 0 0 0 -1 -1 2 37
#"drracket:check-syntax:unused-require\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 136 17 17 0 0 0 -1 -1 2 36
#"drracket:check-syntax:free-variable\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 136 17 17 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 31
#"drracket:check-syntax:imported\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 47
#"drracket:check-syntax:my-obligation-style-pref\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 50
#"drracket:check-syntax:their-obligation-style-pref\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 48
#"drracket:check-syntax:unk-obligation-style-pref\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2
49 #"drracket:check-syntax:both-obligation-style-pref\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2
37 #"plt:module-language:test-coverage-on\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1
#"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 2 38
#"plt:module-language:test-coverage-off\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 4 1
#"\0"
0 71 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
-1 -1 4 1 #"\0"
0 -1 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1
-1 4 1 #"\0"
0 71 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1
-1 4 1 #"\0"
0 71 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 100 0 0 0 0 -1
-1 2 1 #"\0"
0 -1 1 #"\0"
1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 200 0 0 0 0 0 -1 -1 4 1
#"\0"
0 -1 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 255 255 0 -1 -1 0
1 #"\0"
0 75 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
-1 -1 2 1 #"\0"
0 75 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
-1 -1 2 1 #"\0"
0 75 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 255 255 255 -1 -1
2 1 #"\0"
0 75 1 #"\0"
1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 0 0 0 34 139 34 255 255 255 -1
-1 2 1 #"\0"
0 -1 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 36 36 140 0 0 0 -1
-1 2 1 #"\0"
0 -1 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
-1 -1 2 1 #"\0"
0 -1 1 #"\0"
0 4 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1
-1 2 1 #"\0"
0 75 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 36 36 140 0 0 0 -1
-1 2 1 #"\0"
0 75 1 #"\0"
1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0
-1 -1 2 1 #"\0"
0 75 1 #"\0"
0 4 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1
-1 0 25 0 28 3 17 #"#lang br/demo/hdl"
0 0 24 29 1 #"\n"
0 0 24 29 1 #"\n"
0 0 14 3 4 #"CHIP"
0 0 24 3 1 #" "
0 0 14 3 3 #"Not"
0 0 24 3 2 #" {"
0 0 24 29 1 #"\n"
0 0 24 3 10 #" "
0 0 14 3 2 #"IN"
0 0 24 3 1 #" "
0 0 14 3 1 #"x"
0 0 28 3 1 #","
0 0 24 3 1 #" "
0 0 14 3 1 #"y"
0 0 28 3 1 #","
0 0 24 3 1 #" "
0 0 14 3 1 #"z"
0 0 17 3 1 #";"
0 0 24 29 1 #"\n"
0 0 24 3 1 #"}"
0 0 24 29 1 #"\n"
0 0 24 29 1 #"\n"
0 0 24 29 1 #"\n"
0 0 24 29 1 #"\n"
0 0

@ -1,7 +1,14 @@
#lang racket/base #lang s-exp br/demo/hdl/expander
(provide And)
(define (And #:a a #:b b) (chip And
(define out (if (and (not (zero? a)) (not (zero? b))) (a b)
1 (out)
0)) ((Nand [a a] [b b] [out nand-out])
out) (Not [in nand-out] [out out])))
(module+ test
(require rackunit)
(check-equal? (And #:a 0 #:b 0) 0)
(check-equal? (And #:a 0 #:b 1) 0)
(check-equal? (And #:a 1 #:b 0) 0)
(check-equal? (And #:a 1 #:b 1) 1))

@ -0,0 +1,13 @@
#lang br
(define+provide (Nand #:a a #:b b)
(if (< (+ a b) 2)
1
0))
(module+ test
(require rackunit)
(check-equal? (Nand #:a 0 #:b 0) 1)
(check-equal? (Nand #:a 0 #:b 1) 1)
(check-equal? (Nand #:a 1 #:b 0) 1)
(check-equal? (Nand #:a 1 #:b 1) 0))

@ -1,7 +1,11 @@
#lang racket/base #lang s-exp br/demo/hdl/expander
(provide Not)
(define (Not #:in in) (chip Not
(define out (if (zero? in) (in)
1 (out)
0)) ((Nand [a in] [b in] [out out])))
out)
(module+ test
(require rackunit)
(check-equal? (Not #:in 0) 1)
(check-equal? (Not #:in 1) 0))

@ -0,0 +1,8 @@
#lang br/demo/hdl
CHIP Not {
IN x;
}

@ -1,7 +1,16 @@
#lang racket/base #lang s-exp br/demo/hdl/expander
(provide Or)
(define (Or #:a a #:b b) (chip Or
(define out (if (or (not (zero? a)) (not (zero? b))) (a b)
1 (out)
0)) ((Not [in a] [out nota])
out) (Not [in b] [out notb])
(And [a nota] [b notb] [out and-out])
(Not [in and-out] [out out])))
(module+ test
(require rackunit)
(check-equal? (Or #:a 0 #:b 0) 0)
(check-equal? (Or #:a 0 #:b 1) 1)
(check-equal? (Or #:a 1 #:b 0) 1)
(check-equal? (Or #:a 1 #:b 1) 1))

@ -1,4 +1,4 @@
#lang s-exp "hdl.rkt" #lang s-exp br/demo/hdl/expander
(chip Xor (IN a b) (chip Xor (IN a b)
(OUT out) (OUT out)

@ -1,4 +1,4 @@
#lang reader "hdl-reader.rkt" #lang br/demo/hdl
CHIP Xor { CHIP Xor {
IN a, b; IN a, b;
@ -12,9 +12,4 @@ CHIP Xor {
} }
(module+ test
(require rackunit)
(check-equal? (Xor #:a 0 #:b 0) 0)
(check-equal? (Xor #:a 0 #:b 1) 1)
(check-equal? (Xor #:a 1 #:b 0) 1)
(check-equal? (Xor #:a 1 #:b 1) 0))

@ -3,10 +3,9 @@
(define #'(chip _Chip (define #'(chip _Chip
(IN _input-pin ...) (_input-pin ...)
(OUT _output-pin) (_output-pin)
(PARTS ((_Part [_pin-in _val-id] ... [out _pin-out]) ...))
(_Part [_pin-in _val-id] ... [out _pin-out]) ...))
#'(begin #'(begin
(provide _Chip) (provide _Chip)
(define _Chip (define _Chip

@ -0,0 +1,21 @@
#lang ragg
chip-program : "CHIP" chip-name "{" in-pin-spec "}"
chip-name : ID
in-pin-spec : "IN" pin-list ";"
out-pin-spec : "OUT" pin-list ";"
pin-list : pin ["," pin-list]
pin : ID
part-spec : "PARTS:" part+
part : ID "(" part-arg-list ")" ";"
part-arg-list : part-arg ["," part-arg-list]
part-arg : ID "=" ID

@ -0,0 +1,6 @@
#lang br
(require br/reader-utils "parser.rkt" "tokenizer.rkt")
(define-read-and-read-syntax (source-path input-port)
#`(module hdl-mod br/demo/hdl/expander
#,(parse source-path (tokenize input-port))))

@ -0,0 +1,17 @@
#lang br
(require parser-tools/lex parser-tools/lex-sre
ragg/support
racket/string)
(provide tokenize)
(define (tokenize input-port)
(define (next-token)
(define get-token
(lexer
[(eof) eof]
[(union #\tab #\space #\newline) (get-token input-port)]
[(union "CHIP" "IN" "OUT" "PARTS:") lexeme]
[(char-set "{}(),;=") lexeme]
[(repetition 1 +inf.0 (union alphabetic numeric)) (token 'ID (string->symbol lexeme))]))
(get-token input-port))
next-token)
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