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-rw-r--r--new-luxc/source/luxc/lang/translation/runtime.jvm.lux608
1 files changed, 608 insertions, 0 deletions
diff --git a/new-luxc/source/luxc/lang/translation/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/runtime.jvm.lux
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+++ b/new-luxc/source/luxc/lang/translation/runtime.jvm.lux
@@ -0,0 +1,608 @@
+(;module:
+ lux
+ (lux (control monad)
+ (data text/format
+ (coll [list "list/" Functor<List>]))
+ [math]
+ [meta]
+ [host])
+ (luxc ["&" base]
+ [";L" host]
+ (host ["$" jvm]
+ (jvm ["$t" type]
+ ["$d" def]
+ ["$i" inst]))
+ (lang ["la" analysis]
+ ["ls" synthesis]
+ (translation [";T" common]))))
+
+(host;import java.lang.Object)
+(host;import java.lang.String)
+
+(host;import java.lang.reflect.Field
+ (get [Object] #try Object))
+
+(host;import (java.lang.Class a)
+ (getField [String] Field))
+
+(host;import org.objectweb.asm.Opcodes
+ (#static ACC_PUBLIC int)
+ (#static ACC_SUPER int)
+ (#static ACC_FINAL int)
+ (#static ACC_STATIC int)
+ (#static V1_6 int))
+
+(host;import org.objectweb.asm.ClassWriter
+ (#static COMPUTE_MAXS int)
+ (new [int])
+ (visit [int int String String String (Array String)] void)
+ (visitEnd [] void)
+ (toByteArray [] (Array byte)))
+
+(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 hostL;function-class (list)))
+(def: $Throwable $;Type ($t;class "java.lang.Throwable" (list)))
+
+(def: #export logI
+ $;Inst
+ (let [outI ($i;GETSTATIC "java.lang.System" "out" ($t;class "java.io.PrintStream" (list)))
+ printI (function [method] ($i;INVOKEVIRTUAL "java.io.PrintStream" method ($t;method (list $Object) #;None (list)) false))]
+ (|>. outI ($i;string "LOG: ") (printI "print")
+ outI $i;SWAP (printI "println"))))
+
+(def: variant-method
+ $;Method
+ ($t;method (list $t;int $Object $Object) (#;Some $Object-Array) (list)))
+
+(def: variantI
+ $;Inst
+ ($i;INVOKESTATIC hostL;runtime-class "variant_make" variant-method false))
+
+(def: #export leftI
+ $;Inst
+ (|>. ($i;int 0)
+ $i;NULL
+ $i;DUP2_X1
+ $i;POP2
+ variantI))
+
+(def: #export rightI
+ $;Inst
+ (|>. ($i;int 1)
+ ($i;string "")
+ $i;DUP2_X1
+ $i;POP2
+ variantI))
+
+(def: #export someI $;Inst rightI)
+
+(def: #export noneI
+ $;Inst
+ (|>. ($i;int 0)
+ $i;NULL
+ ($i;string hostL;unit)
+ variantI))
+
+(def: #export string-concatI
+ $;Inst
+ ($i;INVOKEVIRTUAL "java.lang.String" "concat" ($t;method (list $String) (#;Some $String) (list)) false))
+
+(def: #export partials-field Text "partials")
+(def: #export apply-method Text "apply")
+(def: #export num-apply-variants Nat +8)
+
+(def: #export (apply-signature arity)
+ (-> ls;Arity $;Method)
+ ($t;method (list;repeat arity $Object) (#;Some $Object) (list)))
+
+(def: adt-methods
+ $;Def
+ (let [store-tagI (|>. $i;DUP ($i;int 0) ($i;ILOAD +0) ($i;wrap #$;Int) $i;AASTORE)
+ store-flagI (|>. $i;DUP ($i;int 1) ($i;ALOAD +1) $i;AASTORE)
+ store-valueI (|>. $i;DUP ($i;int 2) ($i;ALOAD +2) $i;AASTORE)
+ force-textMT ($t;method (list $Object) (#;Some $String) (list))]
+ (|>. ($d;method #$;Public $;staticM "force_text" force-textMT
+ (<| $i;with-label (function [@is-null])
+ $i;with-label (function [@normal-object])
+ $i;with-label (function [@array-loop])
+ $i;with-label (function [@within-bounds])
+ $i;with-label (function [@is-first])
+ $i;with-label (function [@elem-end])
+ $i;with-label (function [@fold-end])
+ (let [on-normal-objectI (|>. ($i;ALOAD +0)
+ ($i;INVOKEVIRTUAL "java.lang.Object" "toString" ($t;method (list) (#;Some $String) (list)) false))
+ on-null-objectI ($i;string "NULL")
+ arrayI (|>. ($i;ALOAD +0)
+ ($i;CHECKCAST ($t;descriptor $Object-Array)))
+ recurseI ($i;INVOKESTATIC hostL;runtime-class "force_text" force-textMT false)
+ force-elemI (|>. $i;DUP arrayI $i;SWAP $i;AALOAD recurseI)
+ swap2 (|>. $i;DUP2_X2 ## X,Y => Y,X,Y
+ $i;POP2 ## Y,X,Y => Y,X
+ )
+ add-spacingI (|>. ($i;string ", ") $i;SWAP string-concatI)
+ merge-with-totalI (|>. $i;DUP_X2 $i;POP ## TSIP => TPSI
+ swap2 ## TPSI => SITP
+ string-concatI ## SITP => SIT
+ $i;DUP_X2 $i;POP ## SIT => TSI
+ )
+ foldI (|>. $i;DUP ## TSI => TSII
+ ($i;IFEQ @is-first) ## TSI
+ force-elemI add-spacingI merge-with-totalI ($i;GOTO @elem-end)
+ ($i;label @is-first) ## TSI
+ force-elemI merge-with-totalI
+ ($i;label @elem-end) ## TSI
+ )
+ inc-idxI (|>. ($i;int 1) $i;IADD)
+ on-array-objectI (|>. ($i;string "[") ## T
+ arrayI $i;ARRAYLENGTH ## TS
+ ($i;int 0) ## TSI
+ ($i;label @array-loop) ## TSI
+ $i;DUP2
+ ($i;IF_ICMPGT @within-bounds) ## TSI
+ $i;POP2 ($i;string "]") string-concatI ($i;GOTO @fold-end)
+ ($i;label @within-bounds)
+ foldI inc-idxI ($i;GOTO @array-loop)
+ ($i;label @fold-end))])
+ (|>. ($i;ALOAD +0)
+ ($i;IFNULL @is-null)
+ ($i;ALOAD +0)
+ ($i;INSTANCEOF ($t;descriptor $Object-Array))
+ ($i;IFEQ @normal-object)
+ on-array-objectI $i;ARETURN
+ ($i;label @normal-object) on-normal-objectI $i;ARETURN
+ ($i;label @is-null) on-null-objectI $i;ARETURN)))
+ ($d;method #$;Public $;staticM "variant_make"
+ ($t;method (list $t;int $Object $Object)
+ (#;Some $Variant)
+ (list))
+ (|>. ($i;int 3)
+ ($i;array $Object)
+ store-tagI
+ store-flagI
+ store-valueI
+ $i;ARETURN)))))
+
+(def: #export force-textI
+ $;Inst
+ ($i;INVOKESTATIC hostL;runtime-class "force_text" ($t;method (list $Object) (#;Some $String) (list)) false))
+
+(def: nat-methods
+ $;Def
+ (let [compare-nat-method ($t;method (list $t;long $t;long) (#;Some $t;int) (list))
+ less-thanI (function [@where] (|>. ($i;INVOKESTATIC hostL;runtime-class "compare_nat" compare-nat-method false) ($i;IFLT @where)))
+ $BigInteger ($t;class "java.math.BigInteger" (list))
+ upcast-method ($t;method (list $t;long) (#;Some $BigInteger) (list))
+ div-method ($t;method (list $t;long $t;long) (#;Some $t;long) (list))
+ upcastI ($i;INVOKESTATIC hostL;runtime-class "_toUnsignedBigInteger" upcast-method false)
+ downcastI ($i;INVOKEVIRTUAL "java.math.BigInteger" "longValue" ($t;method (list) (#;Some $t;long) (list)) false)]
+ ## http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#215
+ (|>. ($d;method #$;Public $;staticM "_toUnsignedBigInteger" upcast-method
+ (let [upcastI ($i;INVOKESTATIC "java.math.BigInteger" "valueOf" upcast-method false)
+ discernI (function [@where] (|>. ($i;LLOAD +0) ($i;long 0) $i;LCMP ($i;IFGE @where)))
+ prepare-upperI (|>. ($i;LLOAD +0) ($i;int 32) $i;LUSHR
+ upcastI
+ ($i;int 32) ($i;INVOKEVIRTUAL "java.math.BigInteger" "shiftLeft" ($t;method (list $t;int) (#;Some $BigInteger) (list)) false))
+ prepare-lowerI (|>. ($i;LLOAD +0) ($i;int 32) $i;LSHL
+ ($i;int 32) $i;LUSHR
+ upcastI)]
+ (<| $i;with-label (function [@simple])
+ (|>. (discernI @simple)
+ ## else
+ prepare-upperI
+ prepare-lowerI
+ ($i;INVOKEVIRTUAL "java.math.BigInteger" "add" ($t;method (list $BigInteger) (#;Some $BigInteger) (list)) false)
+ $i;ARETURN
+ ## then
+ ($i;label @simple)
+ ($i;LLOAD +0)
+ upcastI
+ $i;ARETURN))))
+ ## http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java?av=f#1267
+ ($d;method #$;Public $;staticM "compare_nat" compare-nat-method
+ (let [shiftI (|>. ($i;GETSTATIC "java.lang.Long" "MIN_VALUE" $t;long) $i;LADD)]
+ (|>. ($i;LLOAD +0) shiftI
+ ($i;LLOAD +2) shiftI
+ $i;LCMP
+ $i;IRETURN)))
+ ## http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#1290
+ ($d;method #$;Public $;staticM "div_nat" div-method
+ (let [is-param-largeI (function [@where] (|>. ($i;LLOAD +2) ($i;long 0) $i;LCMP ($i;IFLT @where)))
+ is-subject-smallI (function [@where] (|>. ($i;LLOAD +0) ($i;long 0) $i;LCMP ($i;IFGT @where)))
+ small-division (|>. ($i;LLOAD +0) ($i;LLOAD +2) $i;LDIV $i;LRETURN)
+ big-divisionI ($i;INVOKEVIRTUAL "java.math.BigInteger" "divide" ($t;method (list $BigInteger) (#;Some $BigInteger) (list)) false)]
+ (<| $i;with-label (function [@is-zero])
+ $i;with-label (function [@param-is-large])
+ $i;with-label (function [@subject-is-small])
+ (|>. (is-param-largeI @param-is-large)
+ ## Param is not too large
+ (is-subject-smallI @subject-is-small)
+ ## Param is small, but subject is large
+ ($i;LLOAD +0) upcastI
+ ($i;LLOAD +2) upcastI
+ big-divisionI downcastI $i;LRETURN
+ ## Both param and subject are small,
+ ## and can thus be divided normally.
+ ($i;label @subject-is-small)
+ small-division
+ ## Param is too large. Cannot simply divide.
+ ## Depending on the result of the
+ ## comparison, a result will be determined.
+ ($i;label @param-is-large)
+ ($i;LLOAD +0) ($i;LLOAD +2) (less-thanI @is-zero)
+ ## Greater-than or equals
+ ($i;long 1) $i;LRETURN
+ ## Less than
+ ($i;label @is-zero)
+ ($i;long 0) $i;LRETURN))))
+ ## http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#1323
+ ($d;method #$;Public $;staticM "rem_nat" div-method
+ (let [is-subject-largeI (function [@where] (|>. ($i;LLOAD +0) ($i;long 0) $i;LCMP ($i;IFLE @where)))
+ is-param-largeI (function [@where] (|>. ($i;LLOAD +2) ($i;long 0) $i;LCMP ($i;IFLE @where)))
+ small-remainderI (|>. ($i;LLOAD +0) ($i;LLOAD +2) $i;LREM $i;LRETURN)
+ big-remainderI ($i;INVOKEVIRTUAL "java.math.BigInteger" "remainder" ($t;method (list $BigInteger) (#;Some $BigInteger) (list)) false)]
+ (<| $i;with-label (function [@large-number])
+ $i;with-label (function [@subject-is-smaller-than-param])
+ (|>. (is-subject-largeI @large-number)
+ (is-param-largeI @large-number)
+ small-remainderI
+
+ ($i;label @large-number)
+ ($i;LLOAD +0) ($i;LLOAD +2) (less-thanI @subject-is-smaller-than-param)
+
+ ($i;LLOAD +0) upcastI
+ ($i;LLOAD +2) upcastI
+ big-remainderI downcastI $i;LRETURN
+
+ ($i;label @subject-is-smaller-than-param)
+ ($i;LLOAD +0)
+ $i;LRETURN))))
+ )))
+
+(def: frac-shiftI $;Inst ($i;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))
+ (<| $i;with-label (function [@from])
+ $i;with-label (function [@to])
+ $i;with-label (function [@handler])
+ (|>. ($i;try @from @to @handler "java.lang.Exception")
+ ($i;label @from)
+ ($i;ALOAD +0)
+ ($i;INVOKESTATIC "java.lang.Double" "parseDouble" ($t;method (list $String) (#;Some $t;double) (list)) false)
+ ($i;wrap #$;Double)
+ someI
+ $i;ARETURN
+ ($i;label @to)
+ ($i;label @handler)
+ noneI
+ $i;ARETURN)))
+ ($d;method #$;Public $;staticM "frac_to_deg" ($t;method (list $t;double) (#;Some $t;long) (list))
+ (let [swap2 (|>. $i;DUP2_X2 $i;POP2)
+ drop-excessI (|>. ($i;double 1.0) $i;DREM)
+ shiftI (|>. frac-shiftI $i;DMUL)]
+ (|>. ($i;DLOAD +0)
+ ## Get upper half
+ drop-excessI
+ shiftI
+ ## Make a copy, so the lower half can be extracted
+ $i;DUP2
+ ## Get lower half
+ drop-excessI
+ shiftI
+ ## Turn it into a deg
+ $i;D2L
+ ## Turn the upper half into deg too
+ swap2
+ $i;D2L
+ ## Combine both pieces
+ $i;LADD
+ ## FINISH
+ $i;LRETURN
+ )))
+ ))
+
+(def: deg-bits Nat +64)
+(def: deg-method $;Method ($t;method (list $t;long $t;long) (#;Some $t;long) (list)))
+(def: clz-method $;Method ($t;method (list $t;long) (#;Some $t;int) (list)))
+
+(def: deg-methods
+ $;Def
+ (let [## "And" mask corresponding to -1 (FFFF...), on the low 32 bits.
+ low-half (|>. ($i;int -1) $i;I2L $i;LAND)
+ high-half (|>. ($i;int 32) $i;LUSHR)]
+ (|>. ($d;method #$;Public $;staticM "mul_deg" deg-method
+ ## Based on: http://stackoverflow.com/a/31629280/6823464
+ (let [shift-downI (|>. ($i;int 32) $i;LUSHR)
+ low-leftI (|>. ($i;LLOAD +0) low-half)
+ high-leftI (|>. ($i;LLOAD +0) high-half)
+ low-rightI (|>. ($i;LLOAD +2) low-half)
+ high-rightI (|>. ($i;LLOAD +2) high-half)
+ bottomI (|>. low-leftI low-rightI $i;LMUL)
+ middleLI (|>. high-leftI low-rightI $i;LMUL)
+ middleRI (|>. low-leftI high-rightI $i;LMUL)
+ middleI (|>. middleLI middleRI $i;LADD)
+ topI (|>. high-leftI high-rightI $i;LMUL)]
+ (|>. bottomI shift-downI
+ middleI $i;LADD shift-downI
+ topI $i;LADD
+ $i;LRETURN)))
+ ($d;method #$;Public $;staticM "count_leading_zeros" clz-method
+ (let [when-zeroI (function [@where] (|>. ($i;long 0) $i;LCMP ($i;IFEQ @where)))
+ shift-rightI (function [amount] (|>. ($i;int amount) $i;LUSHR))
+ decI (|>. ($i;int 1) $i;ISUB)]
+ (<| $i;with-label (function [@start])
+ $i;with-label (function [@done])
+ (|>. ($i;int 64)
+ ($i;label @start)
+ ($i;LLOAD +0) (when-zeroI @done)
+ ($i;LLOAD +0) (shift-rightI 1) ($i;LSTORE +0)
+ decI
+ ($i;GOTO @start)
+ ($i;label @done)
+ $i;IRETURN))))
+ ($d;method #$;Public $;staticM "div_deg" deg-method
+ (<| $i;with-label (function [@same])
+ (let [subjectI ($i;LLOAD +0)
+ paramI ($i;LLOAD +2)
+ equal?I (function [@where] (|>. $i;LCMP ($i;IFEQ @where)))
+ count-leading-zerosI ($i;INVOKESTATIC hostL;runtime-class "count_leading_zeros" clz-method false)
+ calc-max-shiftI (|>. subjectI count-leading-zerosI
+ paramI count-leading-zerosI
+ ($i;INVOKESTATIC "java.lang.Math" "min" ($t;method (list $t;int $t;int) (#;Some $t;int) (list)) false)
+ ($i;ISTORE +4))
+ shiftI (|>. ($i;ILOAD +4) $i;LSHL)
+ imprecise-divisionI (|>. subjectI shiftI
+ paramI shiftI high-half
+ $i;LDIV)
+ scale-downI (|>. ($i;int 32) $i;LSHL)]
+ (|>. subjectI paramI
+ (equal?I @same)
+ ## Based on: http://stackoverflow.com/a/8510587/6823464
+ ## Shifting the operands as much as possible can help
+ ## avoid some loss of precision later.
+ calc-max-shiftI
+ imprecise-divisionI
+ scale-downI
+ $i;LRETURN
+ ($i;label @same)
+ ($i;long -1) ## ~= 1.0 Degrees
+ $i;LRETURN))))
+ ($d;method #$;Public $;staticM "deg_to_frac" ($t;method (list $t;long) (#;Some $t;double) (list))
+ (let [highI (|>. ($i;LLOAD +0) high-half $i;L2D)
+ lowI (|>. ($i;LLOAD +0) low-half $i;L2D)
+ scaleI (|>. frac-shiftI $i;DDIV)]
+ (|>. highI scaleI
+ lowI scaleI scaleI
+ $i;DADD
+ $i;DRETURN)))
+ )))
+
+(def: pm-methods
+ $;Def
+ (let [tuple-sizeI (|>. ($i;ALOAD +0) $i;ARRAYLENGTH)
+ tuple-elemI (|>. ($i;ALOAD +0) ($i;ILOAD +1) $i;AALOAD)
+ expected-last-sizeI (|>. ($i;ILOAD +1) ($i;int 1) $i;IADD)
+ tuple-tailI (|>. ($i;ALOAD +0) tuple-sizeI ($i;int 1) $i;ISUB $i;AALOAD ($i;CHECKCAST ($t;descriptor $Tuple)))]
+ (|>. ($d;method #$;Public $;staticM "pm_fail" ($t;method (list) #;None (list))
+ (|>. ($i;NEW "java.lang.IllegalStateException")
+ $i;DUP
+ ($i;string "Invalid expression for pattern-matching.")
+ ($i;INVOKESPECIAL "java.lang.IllegalStateException" "<init>" ($t;method (list $String) #;None (list)) false)
+ $i;ATHROW))
+ ($d;method #$;Public $;staticM "apply_fail" ($t;method (list) #;None (list))
+ (|>. ($i;NEW "java.lang.IllegalStateException")
+ $i;DUP
+ ($i;string "Error while applying function.")
+ ($i;INVOKESPECIAL "java.lang.IllegalStateException" "<init>" ($t;method (list $String) #;None (list)) false)
+ $i;ATHROW))
+ ($d;method #$;Public $;staticM "pm_push" ($t;method (list $Stack $Object) (#;Some $Stack) (list))
+ (|>. ($i;int 2)
+ ($i;ANEWARRAY "java.lang.Object")
+ $i;DUP
+ ($i;int 0)
+ ($i;ALOAD +0)
+ $i;AASTORE
+ $i;DUP
+ ($i;int 1)
+ ($i;ALOAD +1)
+ $i;AASTORE
+ $i;ARETURN))
+ ($d;method #$;Public $;staticM "pm_pop" ($t;method (list $Stack) (#;Some $Stack) (list))
+ (|>. ($i;ALOAD +0)
+ ($i;int 0)
+ $i;AALOAD
+ ($i;CHECKCAST ($t;descriptor $Stack))
+ $i;ARETURN))
+ ($d;method #$;Public $;staticM "pm_peek" ($t;method (list $Stack) (#;Some $Object) (list))
+ (|>. ($i;ALOAD +0)
+ ($i;int 1)
+ $i;AALOAD
+ $i;ARETURN))
+ ($d;method #$;Public $;staticM "pm_variant" ($t;method (list $Variant $Tag $Flag) (#;Some $Object) (list))
+ (<| $i;with-label (function [@begin])
+ $i;with-label (function [@just-return])
+ $i;with-label (function [@then])
+ $i;with-label (function [@further])
+ $i;with-label (function [@shorten])
+ $i;with-label (function [@wrong])
+ (let [variant-partI (: (-> Nat $;Inst)
+ (function [idx]
+ (|>. ($i;int (nat-to-int idx)) $i;AALOAD)))
+ tagI (: $;Inst
+ (|>. (variant-partI +0) ($i;unwrap #$;Int)))
+ flagI (variant-partI +1)
+ datumI (variant-partI +2)
+ shortenI (|>. ($i;ALOAD +0) tagI ## Get tag
+ ($i;ILOAD +1) $i;ISUB ## Shorten tag
+ ($i;ALOAD +0) flagI ## Get flag
+ ($i;ALOAD +0) datumI ## Get value
+ variantI ## Build sum
+ $i;ARETURN)
+ update-tagI (|>. $i;ISUB ($i;ISTORE +1))
+ update-variantI (|>. ($i;ALOAD +0) datumI ($i;CHECKCAST ($t;descriptor $Variant)) ($i;ASTORE +0))
+ wrongI (|>. $i;NULL $i;ARETURN)
+ return-datumI (|>. ($i;ALOAD +0) datumI $i;ARETURN)])
+ (|>. ($i;label @begin)
+ ($i;ILOAD +1) ## tag
+ ($i;ALOAD +0) tagI ## tag, sumT
+ $i;DUP2 ($i;IF_ICMPEQ @then)
+ $i;DUP2 ($i;IF_ICMPGT @further)
+ $i;DUP2 ($i;IF_ICMPLT @shorten)
+ ## $i;POP2
+ wrongI
+ ($i;label @then) ## tag, sumT
+ ($i;ALOAD +2) ## tag, sumT, wants-last?
+ ($i;ALOAD +0) flagI ## tag, sumT, wants-last?, is-last?
+ ($i;IF_ACMPEQ @just-return) ## tag, sumT
+ ($i;label @further) ## tag, sumT
+ ($i;ALOAD +0) flagI ## tag, sumT, last?
+ ($i;IFNULL @wrong) ## tag, sumT
+ update-tagI
+ update-variantI
+ ($i;GOTO @begin)
+ ($i;label @just-return) ## tag, sumT
+ ## $i;POP2
+ return-datumI
+ ($i;label @shorten) ## tag, sumT
+ ($i;ALOAD +2) ($i;IFNULL @wrong)
+ ## $i;POP2
+ shortenI
+ ($i;label @wrong) ## tag, sumT
+ ## $i;POP2
+ wrongI)))
+ ($d;method #$;Public $;staticM "pm_left" ($t;method (list $Tuple $t;int) (#;Some $Object) (list))
+ (<| $i;with-label (function [@begin])
+ $i;with-label (function [@not-recursive])
+ (let [updated-idxI (|>. $i;SWAP $i;ISUB)])
+ (|>. ($i;label @begin)
+ tuple-sizeI
+ expected-last-sizeI
+ $i;DUP2 ($i;IF_ICMPGT @not-recursive)
+ ## Recursive
+ updated-idxI ($i;ISTORE +1)
+ tuple-tailI ($i;ASTORE +0)
+ ($i;GOTO @begin)
+ ($i;label @not-recursive)
+ ## $i;POP2
+ tuple-elemI
+ $i;ARETURN)))
+ ($d;method #$;Public $;staticM "pm_right" ($t;method (list $Tuple $t;int) (#;Some $Object) (list))
+ (<| $i;with-label (function [@begin])
+ $i;with-label (function [@tail])
+ $i;with-label (function [@slice])
+ (let [updated-idxI (|>. ($i;ILOAD +1) ($i;int 1) $i;IADD tuple-sizeI $i;ISUB)
+ sliceI (|>. ($i;ALOAD +0) ($i;ILOAD +1) tuple-sizeI
+ ($i;INVOKESTATIC "java.util.Arrays" "copyOfRange" ($t;method (list $Object-Array $t;int $t;int) (#;Some $Object-Array) (list)) false))])
+ (|>. ($i;label @begin)
+ tuple-sizeI
+ expected-last-sizeI
+ $i;DUP2 ($i;IF_ICMPEQ @tail)
+ ($i;IF_ICMPGT @slice)
+ ## Must recurse
+ tuple-tailI ($i;ASTORE +0)
+ updated-idxI ($i;ISTORE +1)
+ ($i;GOTO @begin)
+ ($i;label @slice)
+ sliceI
+ $i;ARETURN
+ ($i;label @tail)
+ ## $i;POP2
+ tuple-elemI
+ $i;ARETURN)))
+ )))
+
+(def: io-methods
+ $;Def
+ (let [string-writerI (|>. ($i;NEW "java.io.StringWriter")
+ $i;DUP
+ ($i;INVOKESPECIAL "java.io.StringWriter" "<init>" ($t;method (list) #;None (list)) false))
+ print-writerI (|>. ($i;NEW "java.io.PrintWriter")
+ $i;SWAP
+ $i;DUP2
+ $i;POP
+ $i;SWAP
+ ($i;boolean true)
+ ($i;INVOKESPECIAL "java.io.PrintWriter" "<init>" ($t;method (list ($t;class "java.io.Writer" (list)) $t;boolean) #;None (list)) false)
+ )]
+ (|>. ($d;method #$;Public $;staticM "try" ($t;method (list $Function) (#;Some $Variant) (list))
+ (<| $i;with-label (function [@from])
+ $i;with-label (function [@to])
+ $i;with-label (function [@handler])
+ (|>. ($i;try @from @to @handler "java.lang.Throwable")
+ ($i;label @from)
+ ($i;ALOAD +0)
+ $i;NULL
+ ($i;INVOKEVIRTUAL hostL;function-class apply-method (apply-signature +1) false)
+ rightI
+ $i;ARETURN
+ ($i;label @to)
+ ($i;label @handler)
+ string-writerI ## TW
+ $i;DUP2 ## TWTW
+ print-writerI ## TWTP
+ ($i;INVOKEVIRTUAL "java.lang.Throwable" "printStackTrace" ($t;method (list ($t;class "java.io.PrintWriter" (list))) #;None (list)) false) ## TW
+ ($i;INVOKEVIRTUAL "java.io.StringWriter" "toString" ($t;method (list) (#;Some $String) (list)) false) ## TS
+ $i;SWAP $i;POP leftI
+ $i;ARETURN)))
+ )))
+
+(def: generate-runtime
+ (Meta commonT;Bytecode)
+ (do meta;Monad<Meta>
+ [_ (wrap [])
+ #let [bytecode ($d;class #$;V1.6 #$;Public $;finalC hostL;runtime-class (list) ["java.lang.Object" (list)] (list)
+ (|>. adt-methods
+ nat-methods
+ frac-methods
+ deg-methods
+ pm-methods
+ io-methods))]
+ _ (commonT;store-class hostL;runtime-class bytecode)]
+ (wrap bytecode)))
+
+(def: generate-function
+ (Meta commonT;Bytecode)
+ (do meta;Monad<Meta>
+ [_ (wrap [])
+ #let [applyI (|> (list;n.range +2 num-apply-variants)
+ (list/map (function [arity]
+ ($d;method #$;Public $;noneM apply-method (apply-signature arity)
+ (let [preI (|> (list;n.range +0 (n.dec arity))
+ (list/map $i;ALOAD)
+ $i;fuse)]
+ (|>. preI
+ ($i;INVOKEVIRTUAL hostL;function-class apply-method (apply-signature (n.dec arity)) false)
+ ($i;CHECKCAST hostL;function-class)
+ ($i;ALOAD arity)
+ ($i;INVOKEVIRTUAL hostL;function-class apply-method (apply-signature +1) false)
+ $i;ARETURN)))))
+ (list& ($d;abstract-method #$;Public $;noneM apply-method (apply-signature +1)))
+ $d;fuse)
+ bytecode ($d;abstract #$;V1.6 #$;Public $;noneC hostL;function-class (list) ["java.lang.Object" (list)] (list)
+ (|>. ($d;field #$;Public $;finalF partials-field $t;int)
+ ($d;method #$;Public $;noneM "<init>" ($t;method (list $t;int) #;None (list))
+ (|>. ($i;ALOAD +0)
+ ($i;INVOKESPECIAL "java.lang.Object" "<init>" ($t;method (list) #;None (list)) false)
+ ($i;ALOAD +0)
+ ($i;ILOAD +1)
+ ($i;PUTFIELD hostL;function-class partials-field $t;int)
+ $i;RETURN))
+ applyI))]
+ _ (commonT;store-class hostL;function-class bytecode)]
+ (wrap bytecode)))
+
+(def: #export generate
+ (Meta [commonT;Bytecode commonT;Bytecode])
+ (do meta;Monad<Meta>
+ [runtime-bc generate-runtime
+ function-bc generate-function]
+ (wrap [runtime-bc function-bc])))