You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.8 KiB
Racket
44 lines
1.8 KiB
Racket
#lang br
|
|
(require "helper.rkt" (for-syntax racket/base racket/syntax "helper.rkt" racket/list racket/require-transform))
|
|
(provide #%top-interaction #%module-begin #%app #%datum (all-defined-out))
|
|
|
|
|
|
(define #'(chip-program _chipname
|
|
(in-spec _input-pin ...)
|
|
(out-spec _output-pin ...)
|
|
(part-spec (part _partname (_pin _val) ... ) ...))
|
|
(with-syntax ([chip-prefix (format-id #'_chipname "~a-" #'_chipname)])
|
|
#'(begin
|
|
(provide (prefix-out chip-prefix (combine-out _input-pin ... _output-pin ...)))
|
|
(define _input-pin (make-input)) ...
|
|
(handle-part _partname (_pin _val) ...) ...)))
|
|
|
|
|
|
(define #'(handle-part _prefix [_suffix _arg] ...)
|
|
(with-syntax ([(prefix-suffix ...) (map (λ(s) (format-id s "~a-~a" #'_prefix s)) (syntax->list #'(_suffix ...)))]
|
|
[chip-module-path (datum->syntax #'_prefix (format "~a.hdl.rkt" (syntax->datum #'_prefix)))])
|
|
#'(begin
|
|
(require (import-chip chip-module-path) (for-syntax (import-chip chip-module-path)))
|
|
(handle-wires [prefix-suffix _arg] ...))))
|
|
|
|
|
|
(define-syntax import-chip
|
|
(make-require-transformer
|
|
(λ (stx)
|
|
(syntax-case stx ()
|
|
[(_ module-path)
|
|
(expand-import #'module-path)]))))
|
|
|
|
|
|
(define #'(handle-wires _wirearg-pair ...)
|
|
(let-values ([(in-wire-stxs out-wire-stxs)
|
|
(partition (λ(wirearg-pair-stx)
|
|
(define wire-stx (car (syntax->list wirearg-pair-stx)))
|
|
(input-wire? (syntax-local-eval wire-stx)))
|
|
(syntax->list #'(_wirearg-pair ...)))])
|
|
(with-syntax ([([in-wire in-arg] ...) in-wire-stxs]
|
|
[([out-wire out-arg] ...) out-wire-stxs])
|
|
#'(begin
|
|
(define (out-arg)
|
|
(in-wire (in-arg)) ...
|
|
(out-wire)) ...)))) |