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|
(.module:
[lux #*
[control
[monad (#+ do)]
pipe]
[data
["." error ("error/." functor)]]
[compiler
[default
["." reference]
["." phase
["." analysis (#+ Branch Analysis)]
["//" synthesis (#+ Synthesis)
["." expression]]
[extension
["." bundle]]]]]
[math
["r" random]]
test]
["." //primitive])
(context: "Dummy variables."
(<| (times 100)
(do @
[maskedA //primitive.primitive
temp (|> r.nat (:: @ map (n/% 100)))
#let [maskA (analysis.control/case
[maskedA
[[(#analysis.Bind temp)
(#analysis.Reference (reference.local temp))]
(list)]])]]
(test "Dummy variables created to mask expressions get eliminated during synthesis."
(|> maskA
expression.phase
(phase.run [bundle.empty //.init])
(error/map (//primitive.corresponds? maskedA))
(error.default #0))))))
(context: "Let expressions."
(<| (times 100)
(do @
[registerA r.nat
inputA //primitive.primitive
outputA //primitive.primitive
#let [letA (analysis.control/case
[inputA
[[(#analysis.Bind registerA)
outputA]
(list)]])]]
(test "Can detect and reify simple 'let' expressions."
(|> letA
expression.phase
(phase.run [bundle.empty //.init])
(case> (^ (#error.Success (//.branch/let [inputS registerS outputS])))
(and (n/= registerA registerS)
(//primitive.corresponds? inputA inputS)
(//primitive.corresponds? outputA outputS))
_
#0))))))
(context: "If expressions."
(<| (times 100)
(do @
[then|else r.bit
inputA //primitive.primitive
thenA //primitive.primitive
elseA //primitive.primitive
#let [thenB (: Branch
[(#analysis.Simple (#analysis.Bit #1))
thenA])
elseB (: Branch
[(#analysis.Simple (#analysis.Bit #0))
elseA])
ifA (if then|else
(analysis.control/case [inputA [thenB (list elseB)]])
(analysis.control/case [inputA [elseB (list thenB)]]))]]
(test "Can detect and reify simple 'if' expressions."
(|> ifA
expression.phase
(phase.run [bundle.empty //.init])
(case> (^ (#error.Success (//.branch/if [inputS thenS elseS])))
(and (//primitive.corresponds? inputA inputS)
(//primitive.corresponds? thenA thenS)
(//primitive.corresponds? elseA elseS))
_
#0))))))
|
