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trudge

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This commit is contained in:
Matthew Butterick 2016-05-25 18:10:10 -07:00
parent d9e8be7544
commit 4bccc6c034
1 changed files with 10 additions and 1 deletions
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11
beautiful-racket/br/demo/hdl/expander.rkt
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@ -40,7 +40,16 @@
([(in-bus-assignments out-bus-assignments)
(syntax-case-partition #'(BUS-ASSIGNMENTS ...) ()
[((PREFIXED-WIRE . _) _)
(syntax-local-eval (syntax-shift-phase-level #'(input-bus? PREFIXED-WIRE) 1))])])
(let ([pw (syntax-shift-phase-level #'PREFIXED-WIRE 0)])
#|
phase 1 binding with `for-syntax` import active, no shift: (works)
'(#<module-path-index:("Nand.hdl.rkt")> a #<module-path-index:("Nand.hdl.rkt")> Nand-a 0 1 0)
phase 1 binding without `for-syntax` import (only regular require), but shifted up 1: (doesn't work)
'(#<module-path-index:("Nand.hdl.rkt")> a #<module-path-index:("Nand.hdl.rkt")> Nand-a 0 0 0)
phase 1 binding of `input-bus?` with shift 1:
'(#<module-path-index:("helper.rkt" br/demo/hdl/expander)> input-bus #<module-path-index:("helper.rkt" br/demo/hdl/expander)> input-bus 0 0 0)
|#
(syntax-local-eval (syntax-shift-phase-level #`(input-bus? #,pw) 1)))])])
(with-pattern
([(((IN-BUS IN-BUS-ARG ...) IN-BUS-VALUE) ...) in-bus-assignments]
[(IN-BUS-WRITE ...) (suffix-id #'(IN-BUS ...) "-write")]