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|
(.module:
[lux #*
[control
[monad (#+ do)]]
[data
[text
format]
[collection
["." list ("#/." functor)]]]
["." math]
[tool
[compiler
["." phase
[analysis (#+ Arity)]
["." translation]]]]]
[luxc
[lang
[host
["$" jvm (#+ Inst Method Def Operation)
["$t" type]
["$d" def]
["_" inst]]]]]
["." // (#+ ByteCode)])
(def: $Object $.Type ($t.class "java.lang.Object" (list)))
(def: $Object-Array $.Type ($t.array 1 $Object))
(def: $String $.Type ($t.class "java.lang.String" (list)))
(def: #export $Stack $.Type ($t.array 1 $Object))
(def: #export $Tuple $.Type $Object-Array)
(def: #export $Variant $.Type $Object-Array)
(def: #export $Tag $.Type $t.int)
(def: #export $Flag $.Type $Object)
(def: #export $Datum $.Type $Object)
(def: #export $Function $.Type ($t.class //.function-class (list)))
(def: $Throwable $.Type ($t.class "java.lang.Throwable" (list)))
(def: $Runtime $.Type ($t.class "java.lang.Runtime" (list)))
(def: #export logI
Inst
(let [outI (_.GETSTATIC "java.lang.System" "out" ($t.class "java.io.PrintStream" (list)))
printI (function (_ method) (_.INVOKEVIRTUAL "java.io.PrintStream" method ($t.method (list $Object) #.None (list)) #0))]
(|>> outI (_.string "LOG: ") (printI "print")
outI _.SWAP (printI "println"))))
(def: variant-method
Method
($t.method (list $t.int $Object $Object) (#.Some $Object-Array) (list)))
(def: #export variantI
Inst
(_.INVOKESTATIC //.runtime-class "variant_make" variant-method #0))
(def: #export leftI
Inst
(|>> (_.int +0)
_.NULL
_.DUP2_X1
_.POP2
variantI))
(def: #export rightI
Inst
(|>> (_.int +1)
(_.string "")
_.DUP2_X1
_.POP2
variantI))
(def: #export someI Inst rightI)
(def: #export noneI
Inst
(|>> (_.int +0)
_.NULL
(_.string //.unit)
variantI))
(def: (try-methodI unsafeI)
(-> Inst Inst)
(<| _.with-label (function (_ @from))
_.with-label (function (_ @to))
_.with-label (function (_ @handler))
(|>> (_.try @from @to @handler "java.lang.Exception")
(_.label @from)
unsafeI
someI
_.ARETURN
(_.label @to)
(_.label @handler)
noneI
_.ARETURN)))
(def: #export string-concatI
Inst
(_.INVOKEVIRTUAL "java.lang.String" "concat" ($t.method (list $String) (#.Some $String) (list)) #0))
(def: #export partials-field Text "partials")
(def: #export apply-method Text "apply")
(def: #export num-apply-variants Nat 8)
(def: #export (apply-signature arity)
(-> Arity Method)
($t.method (list.repeat arity $Object) (#.Some $Object) (list)))
(def: adt-methods
Def
(let [store-tagI (|>> _.DUP (_.int +0) (_.ILOAD 0) (_.wrap #$.Int) _.AASTORE)
store-flagI (|>> _.DUP (_.int +1) (_.ALOAD 1) _.AASTORE)
store-valueI (|>> _.DUP (_.int +2) (_.ALOAD 2) _.AASTORE)]
(|>> ($d.method #$.Public $.staticM "variant_make"
($t.method (list $t.int $Object $Object)
(#.Some $Variant)
(list))
(|>> (_.int +3)
(_.array $Object)
store-tagI
store-flagI
store-valueI
_.ARETURN)))))
(def: frac-shiftI Inst (_.double (math.pow +32.0 +2.0)))
(def: frac-methods
Def
(|>> ($d.method #$.Public $.staticM "decode_frac" ($t.method (list $String) (#.Some $Object-Array) (list))
(try-methodI
(|>> (_.ALOAD 0)
(_.INVOKESTATIC "java.lang.Double" "parseDouble" ($t.method (list $String) (#.Some $t.double) (list)) #0)
(_.wrap #$.Double))))
))
(def: pm-methods
Def
(let [tuple-sizeI (|>> (_.ALOAD 0) _.ARRAYLENGTH)
tuple-elemI (|>> (_.ALOAD 0) (_.ILOAD 1) _.AALOAD)
expected-last-sizeI (|>> (_.ILOAD 1) (_.int +1) _.IADD)
tuple-tailI (|>> (_.ALOAD 0) tuple-sizeI (_.int +1) _.ISUB _.AALOAD (_.CHECKCAST ($t.descriptor $Tuple)))]
(|>> ($d.method #$.Public $.staticM "pm_fail" ($t.method (list) #.None (list))
(|>> (_.NEW "java.lang.IllegalStateException")
_.DUP
(_.string "Invalid expression for pattern-matching.")
(_.INVOKESPECIAL "java.lang.IllegalStateException" "<init>" ($t.method (list $String) #.None (list)) #0)
_.ATHROW))
($d.method #$.Public $.staticM "apply_fail" ($t.method (list) #.None (list))
(|>> (_.NEW "java.lang.IllegalStateException")
_.DUP
(_.string "Error while applying function.")
(_.INVOKESPECIAL "java.lang.IllegalStateException" "<init>" ($t.method (list $String) #.None (list)) #0)
_.ATHROW))
($d.method #$.Public $.staticM "pm_push" ($t.method (list $Stack $Object) (#.Some $Stack) (list))
(|>> (_.int +2)
(_.ANEWARRAY "java.lang.Object")
_.DUP
(_.int +0)
(_.ALOAD 0)
_.AASTORE
_.DUP
(_.int +1)
(_.ALOAD 1)
_.AASTORE
_.ARETURN))
($d.method #$.Public $.staticM "pm_pop" ($t.method (list $Stack) (#.Some $Stack) (list))
(|>> (_.ALOAD 0)
(_.int +0)
_.AALOAD
(_.CHECKCAST ($t.descriptor $Stack))
_.ARETURN))
($d.method #$.Public $.staticM "pm_peek" ($t.method (list $Stack) (#.Some $Object) (list))
(|>> (_.ALOAD 0)
(_.int +1)
_.AALOAD
_.ARETURN))
($d.method #$.Public $.staticM "pm_variant" ($t.method (list $Variant $Tag $Flag) (#.Some $Object) (list))
(<| _.with-label (function (_ @begin))
_.with-label (function (_ @just-return))
_.with-label (function (_ @then))
_.with-label (function (_ @further))
_.with-label (function (_ @shorten))
_.with-label (function (_ @wrong))
(let [variant-partI (: (-> Nat Inst)
(function (_ idx)
(|>> (_.int (.int idx)) _.AALOAD)))
tagI (: Inst
(|>> (variant-partI 0) (_.unwrap #$.Int)))
flagI (variant-partI 1)
datumI (variant-partI 2)
shortenI (|>> (_.ALOAD 0) tagI ## Get tag
(_.ILOAD 1) _.ISUB ## Shorten tag
(_.ALOAD 0) flagI ## Get flag
(_.ALOAD 0) datumI ## Get value
variantI ## Build sum
_.ARETURN)
update-tagI (|>> _.ISUB (_.ISTORE 1))
update-variantI (|>> (_.ALOAD 0) datumI (_.CHECKCAST ($t.descriptor $Variant)) (_.ASTORE 0))
failureI (|>> _.NULL _.ARETURN)
return-datumI (|>> (_.ALOAD 0) datumI _.ARETURN)])
(|>> (_.label @begin)
(_.ILOAD 1) ## tag
(_.ALOAD 0) tagI ## tag, sumT
_.DUP2 (_.IF_ICMPEQ @then)
_.DUP2 (_.IF_ICMPGT @further)
_.DUP2 (_.IF_ICMPLT @shorten)
## _.POP2
failureI
(_.label @then) ## tag, sumT
(_.ALOAD 2) ## tag, sumT, wants-last?
(_.ALOAD 0) flagI ## tag, sumT, wants-last?, is-last?
(_.IF_ACMPEQ @just-return) ## tag, sumT
(_.label @further) ## tag, sumT
(_.ALOAD 0) flagI ## tag, sumT, last?
(_.IFNULL @wrong) ## tag, sumT
update-tagI
update-variantI
(_.GOTO @begin)
(_.label @just-return) ## tag, sumT
## _.POP2
return-datumI
(_.label @shorten) ## tag, sumT
(_.ALOAD 2) (_.IFNULL @wrong)
## _.POP2
shortenI
(_.label @wrong) ## tag, sumT
## _.POP2
failureI)))
($d.method #$.Public $.staticM "pm_left" ($t.method (list $Tuple $t.int) (#.Some $Object) (list))
(<| _.with-label (function (_ @begin))
_.with-label (function (_ @not-recursive))
(let [updated-idxI (|>> _.SWAP _.ISUB)])
(|>> (_.label @begin)
tuple-sizeI
expected-last-sizeI
_.DUP2 (_.IF_ICMPGT @not-recursive)
## Recursive
updated-idxI (_.ISTORE 1)
tuple-tailI (_.ASTORE 0)
(_.GOTO @begin)
(_.label @not-recursive)
## _.POP2
tuple-elemI
_.ARETURN)))
($d.method #$.Public $.staticM "pm_right" ($t.method (list $Tuple $t.int) (#.Some $Object) (list))
(<| _.with-label (function (_ @begin))
_.with-label (function (_ @tail))
_.with-label (function (_ @slice))
(let [updated-idxI (|>> (_.ILOAD 1) (_.int +1) _.ISUB tuple-sizeI _.ISUB)
sliceI (|>> (_.ALOAD 0) (_.ILOAD 1) tuple-sizeI
(_.INVOKESTATIC "java.util.Arrays" "copyOfRange"
($t.method (list $Object-Array $t.int $t.int)
(#.Some $Object-Array)
(list))
#0))])
(|>> (_.label @begin)
tuple-sizeI
expected-last-sizeI
_.DUP2 (_.IF_ICMPEQ @tail)
(_.IF_ICMPGT @slice)
## Must recurse
tuple-tailI (_.ASTORE 0)
updated-idxI (_.ISTORE 1)
(_.GOTO @begin)
(_.label @slice)
sliceI
_.ARETURN
(_.label @tail)
## _.POP2
tuple-elemI
_.ARETURN)))
)))
(def: io-methods
Def
(let [string-writerI (|>> (_.NEW "java.io.StringWriter")
_.DUP
(_.INVOKESPECIAL "java.io.StringWriter" "<init>" ($t.method (list) #.None (list)) #0))
print-writerI (|>> (_.NEW "java.io.PrintWriter")
_.SWAP
_.DUP2
_.POP
_.SWAP
(_.boolean #1)
(_.INVOKESPECIAL "java.io.PrintWriter" "<init>" ($t.method (list ($t.class "java.io.Writer" (list)) $t.boolean) #.None (list)) #0)
)]
(|>> ($d.method #$.Public $.staticM "try" ($t.method (list $Function) (#.Some $Variant) (list))
(<| _.with-label (function (_ @from))
_.with-label (function (_ @to))
_.with-label (function (_ @handler))
(|>> (_.try @from @to @handler "java.lang.Throwable")
(_.label @from)
(_.ALOAD 0)
_.NULL
(_.INVOKEVIRTUAL //.function-class apply-method (apply-signature 1) #0)
rightI
_.ARETURN
(_.label @to)
(_.label @handler)
string-writerI ## TW
_.DUP2 ## TWTW
print-writerI ## TWTP
(_.INVOKEVIRTUAL "java.lang.Throwable" "printStackTrace" ($t.method (list ($t.class "java.io.PrintWriter" (list))) #.None (list)) #0) ## TW
(_.INVOKEVIRTUAL "java.io.StringWriter" "toString" ($t.method (list) (#.Some $String) (list)) #0) ## TS
_.SWAP _.POP leftI
_.ARETURN)))
)))
(def: translate-runtime
(Operation ByteCode)
(let [bytecode ($d.class #$.V1_6 #$.Public $.finalC //.runtime-class (list) ["java.lang.Object" (list)] (list)
(|>> adt-methods
frac-methods
pm-methods
io-methods))]
(do phase.monad
[_ (translation.execute! //.runtime-class [//.runtime-class bytecode])]
(wrap bytecode))))
(def: translate-function
(Operation ByteCode)
(let [applyI (|> (list.n/range 2 num-apply-variants)
(list/map (function (_ arity)
($d.method #$.Public $.noneM apply-method (apply-signature arity)
(let [preI (|> (list.n/range 0 (dec arity))
(list/map _.ALOAD)
_.fuse)]
(|>> preI
(_.INVOKEVIRTUAL //.function-class apply-method (apply-signature (dec arity)) #0)
(_.CHECKCAST //.function-class)
(_.ALOAD arity)
(_.INVOKEVIRTUAL //.function-class apply-method (apply-signature 1) #0)
_.ARETURN)))))
(list& ($d.abstract-method #$.Public $.noneM apply-method (apply-signature 1)))
$d.fuse)
bytecode ($d.abstract #$.V1_6 #$.Public $.noneC //.function-class (list) ["java.lang.Object" (list)] (list)
(|>> ($d.field #$.Public $.finalF partials-field $t.int)
($d.method #$.Public $.noneM "<init>" ($t.method (list $t.int) #.None (list))
(|>> (_.ALOAD 0)
(_.INVOKESPECIAL "java.lang.Object" "<init>" ($t.method (list) #.None (list)) #0)
(_.ALOAD 0)
(_.ILOAD 1)
(_.PUTFIELD //.function-class partials-field $t.int)
_.RETURN))
applyI))]
(do phase.monad
[_ (translation.execute! //.function-class [//.function-class bytecode])]
(wrap bytecode))))
(def: #export translate
(Operation Any)
(do phase.monad
[runtime-bc translate-runtime
function-bc translate-function]
(wrap [])))
|
