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authorEduardo Julian2018-06-17 00:27:21 -0400
committerEduardo Julian2018-06-17 00:27:21 -0400
commitb6ccfc87c52e1a98ead3b04b45bccc119418a4dc (patch)
treedb13d4605a0a3041de6ef2ef5ddc92b766f1a7f3 /stdlib/source/lux/lang
parentbcd3d9ee8f6797f758a2abea98d5cb6a74cc7df0 (diff)
- Migrated Scheme back-end to stdlib.
Diffstat (limited to 'stdlib/source/lux/lang')
-rw-r--r--stdlib/source/lux/lang/analysis.lux10
-rw-r--r--stdlib/source/lux/lang/extension.lux53
-rw-r--r--stdlib/source/lux/lang/extension/synthesis.lux9
-rw-r--r--stdlib/source/lux/lang/extension/translation.lux9
-rw-r--r--stdlib/source/lux/lang/host/scheme.lux302
-rw-r--r--stdlib/source/lux/lang/init.lux15
-rw-r--r--stdlib/source/lux/lang/name.lux47
-rw-r--r--stdlib/source/lux/lang/synthesis.lux51
-rw-r--r--stdlib/source/lux/lang/synthesis/case.lux91
-rw-r--r--stdlib/source/lux/lang/synthesis/function.lux4
-rw-r--r--stdlib/source/lux/lang/synthesis/loop.lux6
-rw-r--r--stdlib/source/lux/lang/translation.lux164
-rw-r--r--stdlib/source/lux/lang/translation/scheme/case.jvm.lux170
-rw-r--r--stdlib/source/lux/lang/translation/scheme/expression.jvm.lux53
-rw-r--r--stdlib/source/lux/lang/translation/scheme/extension.jvm.lux32
-rw-r--r--stdlib/source/lux/lang/translation/scheme/extension/common.jvm.lux389
-rw-r--r--stdlib/source/lux/lang/translation/scheme/function.jvm.lux85
-rw-r--r--stdlib/source/lux/lang/translation/scheme/loop.jvm.lux39
-rw-r--r--stdlib/source/lux/lang/translation/scheme/primitive.jvm.lux22
-rw-r--r--stdlib/source/lux/lang/translation/scheme/reference.jvm.lux54
-rw-r--r--stdlib/source/lux/lang/translation/scheme/runtime.jvm.lux362
-rw-r--r--stdlib/source/lux/lang/translation/scheme/structure.jvm.lux29
22 files changed, 1902 insertions, 94 deletions
diff --git a/stdlib/source/lux/lang/analysis.lux b/stdlib/source/lux/lang/analysis.lux
index 0996ad1f4..6efa934d8 100644
--- a/stdlib/source/lux/lang/analysis.lux
+++ b/stdlib/source/lux/lang/analysis.lux
@@ -77,7 +77,11 @@
(type: #export (Tuple a) (List a))
-(type: #export Application [Analysis (List Analysis)])
+(type: #export Arity Nat)
+
+(type: #export (Abstraction c) [Environment Arity c])
+
+(type: #export (Application c) [c (List c)])
(def: (last? size tag)
(-> Nat Tag Bool)
@@ -131,7 +135,7 @@
)
(def: #export (apply [func args])
- (-> Application Analysis)
+ (-> (Application Analysis) Analysis)
(list/fold (function (_ arg func) (#Apply arg func)) func args))
(type: #export Analyser
@@ -180,7 +184,7 @@
)
(def: #export (application analysis)
- (-> Analysis Application)
+ (-> Analysis (Application Analysis))
(case analysis
(#Apply head func)
(let [[func' tail] (application func)]
diff --git a/stdlib/source/lux/lang/extension.lux b/stdlib/source/lux/lang/extension.lux
index d9eb90fc9..7edac52c3 100644
--- a/stdlib/source/lux/lang/extension.lux
+++ b/stdlib/source/lux/lang/extension.lux
@@ -4,16 +4,16 @@
["ex" exception #+ exception:])
(data ["e" error]
[text]
- (coll (dictionary ["dict" unordered #+ Dict])))
- [macro])
+ (coll (dictionary ["dict" unordered #+ Dict]))))
[// #+ Eval]
[//compiler #+ Operation Compiler]
[//analysis #+ Analyser]
- [//synthesis #+ Synthesizer])
+ [//synthesis #+ Synthesizer]
+ [//translation #+ Translator])
(do-template [<name>]
- [(exception: #export (<name> {message Text})
- message)]
+ [(exception: #export (<name> {extension Text})
+ extension)]
[unknown-analysis]
[unknown-synthesis]
@@ -27,7 +27,10 @@
)
(type: #export Analysis
- (-> Analyser Eval (List Code) (Meta //analysis.Analysis)))
+ (-> Analyser Eval
+ (Compiler .Lux
+ (List Code)
+ //analysis.Analysis)))
(type: #export Synthesis
(-> Synthesizer
@@ -35,8 +38,11 @@
(List //analysis.Analysis)
//synthesis.Synthesis)))
-(type: #export Translation
- (-> (List Code) (Meta Code)))
+(type: #export (Translation anchor code)
+ (-> (Translator anchor code)
+ (Compiler (//translation.State anchor code)
+ (List //synthesis.Synthesis)
+ code)))
(type: #export Statement
(-> (List Code) (Meta Any)))
@@ -72,14 +78,14 @@
(do-template [<name> <type> <category> <exception>]
[(def: #export (<name> name)
(-> Text (Meta <type>))
- (do macro.Monad<Meta>
+ (do //compiler.Monad<Operation>
[extensions ..get]
(case (dict.get name (get@ <category> extensions))
(#.Some extension)
(wrap extension)
#.None
- (//.throw <exception> name))))]
+ (//compiler.throw <exception> name))))]
[find-analysis Analysis #analysis unknown-analysis]
[find-synthesis Synthesis #synthesis unknown-synthesis]
@@ -91,25 +97,30 @@
(All [e] (Extension e))
(dict.new text.Hash<Text>))
-(do-template [<all> <type> <category>]
+(do-template [<params> <all> <state> <type> <category>]
[(def: #export <all>
- (Meta (Extension <type>))
+ (All <params> (Operation <state> (Extension <type>)))
(|> ..get
- (:: macro.Monad<Meta> map (get@ <category>))))]
-
- [all-analyses Analysis #analysis]
- [all-syntheses Synthesis #synthesis]
- [all-translations Translation #translation]
- [all-statements Statement #statement]
+ (:: //compiler.Monad<Operation> map (get@ <category>))))]
+
+ [[] all-analyses .Lux
+ Analysis #analysis]
+ [[] all-syntheses //synthesis.State
+ Synthesis #synthesis]
+ [[anchor code] all-translations (//translation.State anchor code)
+ Translation #translation]
+ [[] all-statements Any
+ Statement #statement]
)
(do-template [<name> <type> <category> <exception>]
[(def: #export (<name> name extension)
(-> Text <type> (Meta Any))
- (do macro.Monad<Meta>
+ (do //compiler.Monad<Operation>
[extensions ..get
- _ (//.assert <exception> name
- (not (dict.contains? name (get@ <category> extensions))))
+ _ (if (not (dict.contains? name (get@ <category> extensions)))
+ (wrap [])
+ (//compiler.throw <exception> name))
_ (..set (update@ <category> (dict.put name extension) extensions))]
(wrap [])))]
diff --git a/stdlib/source/lux/lang/extension/synthesis.lux b/stdlib/source/lux/lang/extension/synthesis.lux
new file mode 100644
index 000000000..c48f3e3a5
--- /dev/null
+++ b/stdlib/source/lux/lang/extension/synthesis.lux
@@ -0,0 +1,9 @@
+(.module:
+ lux
+ (lux (data [text]
+ (coll (dictionary ["dict" unordered #+ Dict]))))
+ [//])
+
+(def: #export defaults
+ (Dict Text //.Synthesis)
+ (dict.new text.Hash<Text>))
diff --git a/stdlib/source/lux/lang/extension/translation.lux b/stdlib/source/lux/lang/extension/translation.lux
new file mode 100644
index 000000000..bc95ed1f4
--- /dev/null
+++ b/stdlib/source/lux/lang/extension/translation.lux
@@ -0,0 +1,9 @@
+(.module:
+ lux
+ (lux (data [text]
+ (coll (dictionary ["dict" unordered #+ Dict]))))
+ [//])
+
+(def: #export defaults
+ (Dict Text //.Translation)
+ (dict.new text.Hash<Text>))
diff --git a/stdlib/source/lux/lang/host/scheme.lux b/stdlib/source/lux/lang/host/scheme.lux
new file mode 100644
index 000000000..f6e7b1834
--- /dev/null
+++ b/stdlib/source/lux/lang/host/scheme.lux
@@ -0,0 +1,302 @@
+(.module:
+ [lux #- Code' Code int or and if function cond when let]
+ (lux (control pipe)
+ (data [text]
+ text/format
+ [number]
+ (coll [list "list/" Functor<List> Fold<List>]))
+ (type abstract)))
+
+(abstract: Global' {} Any)
+(abstract: Var' {} Any)
+(abstract: Computation' {} Any)
+(abstract: (Expression' k) {} Any)
+
+(abstract: (Code' k)
+ {}
+
+ Text
+
+ (type: #export Code (Ex [k] (Code' k)))
+ (type: #export Expression (Code' (Ex [k] (Expression' k))))
+ (type: #export Global (Code' (Expression' Global')))
+ (type: #export Computation (Code' (Expression' Computation')))
+ (type: #export Var (Code' (Expression' Var')))
+
+ (type: #export Arguments
+ {#mandatory (List Var)
+ #rest (Maybe Var)})
+
+ (def: #export code (-> Code Text) (|>> @representation))
+
+ (def: #export var (-> Text Var) (|>> @abstraction))
+
+ (def: (arguments [vars rest])
+ (-> Arguments Code)
+ (case rest
+ (#.Some rest)
+ (case vars
+ #.Nil
+ rest
+
+ _
+ (|> (format " . " (@representation rest))
+ (format (|> vars
+ (list/map ..code)
+ (text.join-with " ")))
+ (text.enclose ["(" ")"])
+ @abstraction))
+
+ #.None
+ (|> vars
+ (list/map ..code)
+ (text.join-with " ")
+ (text.enclose ["(" ")"])
+ @abstraction)))
+
+ (def: #export nil
+ Computation
+ (@abstraction "'()"))
+
+ (def: #export bool
+ (-> Bool Computation)
+ (|>> (case> true "#t"
+ false "#f")
+ @abstraction))
+
+ (def: #export int
+ (-> Int Computation)
+ (|>> %i @abstraction))
+
+ (def: #export float
+ (-> Frac Computation)
+ (|>> (cond> [(f/= number.positive-infinity)]
+ [(new> "+inf.0")]
+
+ [(f/= number.negative-infinity)]
+ [(new> "-inf.0")]
+
+ [number.not-a-number?]
+ [(new> "+nan.0")]
+
+ ## else
+ [%f])
+ @abstraction))
+
+ (def: #export positive-infinity Computation (..float number.positive-infinity))
+ (def: #export negative-infinity Computation (..float number.negative-infinity))
+ (def: #export not-a-number Computation (..float number.not-a-number))
+
+ (def: #export string
+ (-> Text Computation)
+ (|>> %t @abstraction))
+
+ (def: #export symbol
+ (-> Text Computation)
+ (|>> (format "'") @abstraction))
+
+ (def: #export global
+ (-> Text Global)
+ (|>> @abstraction))
+
+ (def: form
+ (-> (List Code) Text)
+ (|>> (list/map ..code)
+ (text.join-with " ")
+ (text.enclose ["(" ")"])))
+
+ (def: #export (apply/* func args)
+ (-> Expression (List Expression) Computation)
+ (@abstraction (..form (#.Cons func args))))
+
+ (do-template [<name> <function>]
+ [(def: #export <name>
+ (-> (List Expression) Computation)
+ (apply/* (..global <function>)))]
+
+ [vector/* "vector"]
+ [list/* "list"]
+ )
+
+ (def: #export (apply/0 func)
+ (-> Expression Computation)
+ (..apply/* func (list)))
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export <lux-name> (apply/0 (..global <scheme-name>)))]
+
+ [newline/0 "newline"]
+ )
+
+ (def: #export (apply/1 func)
+ (-> Expression (-> Expression Computation))
+ (|>> (list) (..apply/* func)))
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export <lux-name> (apply/1 (..global <scheme-name>)))]
+
+ [exact/1 "exact"]
+ [integer->char/1 "integer->char"]
+ [number->string/1 "number->string"]
+ [string/1 "string"]
+ [length/1 "length"]
+ [values/1 "values"]
+ [null?/1 "null?"]
+ [car/1 "car"]
+ [cdr/1 "cdr"]
+ [raise/1 "raise"]
+ [error-object-message/1 "error-object-message"]
+ [make-vector/1 "make-vector"]
+ [vector-length/1 "vector-length"]
+ [not/1 "not"]
+ [string-length/1 "string-length"]
+ [string-hash/1 "string-hash"]
+ [reverse/1 "reverse"]
+ [display/1 "display"]
+ [exit/1 "exit"]
+ )
+
+ (def: #export (apply/2 func)
+ (-> Expression (-> Expression Expression Computation))
+ (.function (_ _0 _1)
+ (..apply/* func (list _0 _1))))
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export <lux-name> (apply/2 (..global <scheme-name>)))]
+
+ [append/2 "append"]
+ [cons/2 "cons"]
+ [make-vector/2 "make-vector"]
+ [vector-ref/2 "vector-ref"]
+ [list-tail/2 "list-tail"]
+ [map/2 "map"]
+ [string-ref/2 "string-ref"]
+ [string-append/2 "string-append"]
+ )
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export (<lux-name> param subject)
+ (-> Expression Expression Computation)
+ (..apply/2 (..global <scheme-name>) subject param))]
+
+ [=/2 "="]
+ [eq?/2 "eq?"]
+ [eqv?/2 "eqv?"]
+ [</2 "<"]
+ [<=/2 "<="]
+ [>/2 ">"]
+ [>=/2 ">="]
+ [string=?/2 "string=?"]
+ [string<?/2 "string<?"]
+ [+/2 "+"]
+ [-/2 "-"]
+ [//2 "/"]
+ [*/2 "*"]
+ [expt/2 "expt"]
+ [remainder/2 "remainder"]
+ [quotient/2 "quotient"]
+ [mod/2 "mod"]
+ [arithmetic-shift/2 "arithmetic-shift"]
+ [bit-and/2 "bitwise-and"]
+ [bit-or/2 "bitwise-ior"]
+ [bit-xor/2 "bitwise-xor"]
+ )
+
+ (def: #export (apply/3 func)
+ (-> Expression (-> Expression Expression Expression Computation))
+ (.function (_ _0 _1 _2)
+ (..apply/* func (list _0 _1 _2))))
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export <lux-name> (apply/3 (..global <scheme-name>)))]
+
+ [substring/3 "substring"]
+ [vector-set!/3 "vector-set!"]
+ )
+
+ (def: #export (vector-copy!/5 _0 _1 _2 _3 _4)
+ (-> Expression Expression Expression Expression Expression
+ Computation)
+ (..apply/* (..global "vector-copy!")
+ (list _0 _1 _2 _3 _4)))
+
+ (do-template [<lux-name> <scheme-name>]
+ [(def: #export <lux-name>
+ (-> (List Expression) Computation)
+ (|>> (list& (..global <scheme-name>)) ..form @abstraction))]
+
+ [or "or"]
+ [and "and"]
+ )
+
+ (do-template [<lux-name> <scheme-name> <var> <pre>]
+ [(def: #export (<lux-name> bindings body)
+ (-> (List [<var> Expression]) Expression Computation)
+ (@abstraction
+ (..form (list (..global <scheme-name>)
+ (|> bindings
+ (list/map (.function (_ [binding/name binding/value])
+ (@abstraction
+ (..form (list (<pre> binding/name)
+ binding/value)))))
+ ..form
+ @abstraction)
+ body))))]
+
+ [let "let" Var .id]
+ [let* "let*" Var .id]
+ [letrec "letrec" Var .id]
+ [let-values "let-values" Arguments ..arguments]
+ [let*-values "let*-values" Arguments ..arguments]
+ [letrec-values "letrec-values" Arguments ..arguments]
+ )
+
+ (def: #export (if test then else)
+ (-> Expression Expression Expression Computation)
+ (@abstraction
+ (..form (list (..global "if") test then else))))
+
+ (def: #export (when test then)
+ (-> Expression Expression Computation)
+ (@abstraction
+ (..form (list (..global "when") test then))))
+
+ (def: #export (cond clauses else)
+ (-> (List [Expression Expression]) Expression Computation)
+ (|> (list/fold (.function (_ [test then] next)
+ (if test then next))
+ else
+ (list.reverse clauses))
+ @representation
+ @abstraction))
+
+ (def: #export (lambda arguments body)
+ (-> Arguments Expression Computation)
+ (@abstraction
+ (..form (list (..global "lambda")
+ (..arguments arguments)
+ body))))
+
+ (def: #export (define name arguments body)
+ (-> Var Arguments Expression Computation)
+ (@abstraction
+ (..form (list (..global "define")
+ (|> arguments
+ (update@ #mandatory (|>> (#.Cons name)))
+ ..arguments)
+ body))))
+
+ (def: #export begin
+ (-> (List Expression) Computation)
+ (|>> (#.Cons (..global "begin")) ..form @abstraction))
+
+ (def: #export (set! name value)
+ (-> Var Expression Computation)
+ (@abstraction
+ (..form (list (..global "set!") name value))))
+
+ (def: #export (with-exception-handler handler body)
+ (-> Expression Expression Computation)
+ (@abstraction
+ (..form (list (..global "with-exception-handler") handler body))))
+ )
diff --git a/stdlib/source/lux/lang/init.lux b/stdlib/source/lux/lang/init.lux
index 9c909942e..40a7fc69c 100644
--- a/stdlib/source/lux/lang/init.lux
+++ b/stdlib/source/lux/lang/init.lux
@@ -1,10 +1,11 @@
(.module:
lux
+ [//]
(// ["//." target]
[".L" extension]
(extension [".E" analysis]
- ## [".E" synthesis]
- ## [".E" translation]
+ [".E" synthesis]
+ [".E" translation]
## [".E" statement]
)))
@@ -26,10 +27,6 @@
#.var-counter +0
#.var-bindings (list)})
-(type: #export Version Text)
-
-(def: #export version Version "0.6.0")
-
(`` (def: #export info
Info
{#.target (for {(~~ (static //target.common-lisp)) //target.common-lisp
@@ -41,7 +38,7 @@
(~~ (static //target.r)) //target.r
(~~ (static //target.ruby)) //target.ruby
(~~ (static //target.scheme)) //target.scheme})
- #.version ..version
+ #.version //.version
#.mode #.Build}))
(def: #export (compiler host)
@@ -57,8 +54,8 @@
#.seed +0
#.scope-type-vars (list)
#.extensions {#extensionL.analysis analysisE.defaults
- #extensionL.synthesis (:!! []) ## synthesisE.defaults
- #extensionL.translation (:!! []) ## translationE.defaults
+ #extensionL.synthesis synthesisE.defaults
+ #extensionL.translation translationE.defaults
#extensionL.statement (:!! []) ## statementE.defaults
}
#.host host})
diff --git a/stdlib/source/lux/lang/name.lux b/stdlib/source/lux/lang/name.lux
new file mode 100644
index 000000000..1053eb76f
--- /dev/null
+++ b/stdlib/source/lux/lang/name.lux
@@ -0,0 +1,47 @@
+(.module:
+ lux
+ (lux (data [maybe]
+ [text]
+ text/format)))
+
+(def: (sanitize char)
+ (-> Nat Text)
+ (case char
+ (^ (char "*")) "_ASTER_"
+ (^ (char "+")) "_PLUS_"
+ (^ (char "-")) "_DASH_"
+ (^ (char "/")) "_SLASH_"
+ (^ (char "\\")) "_BSLASH_"
+ (^ (char "_")) "_UNDERS_"
+ (^ (char "%")) "_PERCENT_"
+ (^ (char "$")) "_DOLLAR_"
+ (^ (char "'")) "_QUOTE_"
+ (^ (char "`")) "_BQUOTE_"
+ (^ (char "@")) "_AT_"
+ (^ (char "^")) "_CARET_"
+ (^ (char "&")) "_AMPERS_"
+ (^ (char "=")) "_EQ_"
+ (^ (char "!")) "_BANG_"
+ (^ (char "?")) "_QM_"
+ (^ (char ":")) "_COLON_"
+ (^ (char ".")) "_PERIOD_"
+ (^ (char ",")) "_COMMA_"
+ (^ (char "<")) "_LT_"
+ (^ (char ">")) "_GT_"
+ (^ (char "~")) "_TILDE_"
+ (^ (char "|")) "_PIPE_"
+ _ (text.from-code char)))
+
+(def: #export (normalize name)
+ (-> Text Text)
+ (let [name/size (text.size name)]
+ (loop [idx +0
+ output ""]
+ (if (n/< name/size idx)
+ (recur (inc idx)
+ (|> (text.nth idx name) maybe.assume sanitize (format output)))
+ output))))
+
+(def: #export (definition [module name])
+ (-> Ident Text)
+ (format (normalize module) "___" (normalize name)))
diff --git a/stdlib/source/lux/lang/synthesis.lux b/stdlib/source/lux/lang/synthesis.lux
index cc43ea0b3..1bf06cdd0 100644
--- a/stdlib/source/lux/lang/synthesis.lux
+++ b/stdlib/source/lux/lang/synthesis.lux
@@ -5,11 +5,9 @@
(coll (dictionary ["dict" unordered #+ Dict]))))
[// #+ Extension]
[//reference #+ Register Variable Reference]
- [//analysis #+ Environment Analysis]
+ [//analysis #+ Environment Arity Analysis]
[//compiler #+ Operation Compiler])
-(type: #export Arity Nat)
-
(type: #export Resolver (Dict Variable Variable))
(type: #export State
@@ -66,8 +64,7 @@
(type: #export (Branch s)
(#Case s (Path' s))
(#Let s Register s)
- (#If s s s)
- (#Exec s))
+ (#If s s s))
(type: #export (Scope s)
{#start Register
@@ -111,6 +108,29 @@
[path/text #..Text]
)
+(do-template [<name> <kind>]
+ [(template: #export (<name> content)
+ (.<| #..Access
+ <kind>
+ content))]
+
+ [path/side #..Side]
+ [path/member #..Member]
+ )
+
+(do-template [<name> <kind> <side>]
+ [(template: #export (<name> content)
+ (.<| #..Access
+ <kind>
+ <side>
+ content))]
+
+ [side/left #..Side #.Left]
+ [side/right #..Side #.Right]
+ [member/left #..Member #.Left]
+ [member/right #..Member #.Right]
+ )
+
(do-template [<name> <tag>]
[(template: #export (<name> content)
(<tag> content))]
@@ -186,25 +206,34 @@
(do-template [<name> <tag>]
[(template: #export (<name> content)
- (<| #..Reference
+ (<| #..Structure
<tag>
content))]
+ [variant #..Variant]
+ [tuple #..Tuple]
+ )
+
+(do-template [<name> <tag>]
+ [(template: #export (<name> content)
+ (.<| #..Reference
+ <tag>
+ content))]
+
[variable/local //reference.local]
[variable/foreign //reference.foreign]
)
(do-template [<name> <family> <tag>]
[(template: #export (<name> content)
- (<| #..Control
- <family>
- <tag>
- content))]
+ (.<| #..Control
+ <family>
+ <tag>
+ content))]
[branch/case #..Branch #..Case]
[branch/let #..Branch #..Let]
[branch/if #..Branch #..If]
- [branch/exec #..Branch #..Exec]
[loop/scope #..Loop #..Scope]
[loop/recur #..Loop #..Recur]
diff --git a/stdlib/source/lux/lang/synthesis/case.lux b/stdlib/source/lux/lang/synthesis/case.lux
index 85065393d..b7f224168 100644
--- a/stdlib/source/lux/lang/synthesis/case.lux
+++ b/stdlib/source/lux/lang/synthesis/case.lux
@@ -126,45 +126,52 @@
(-> //.Synthesizer Analysis Match (Operation //.State Synthesis))
(do ///compiler.Monad<Operation>
[inputS (synthesize^ inputA)]
- (case [headB tailB+]
- [[(#///analysis.Bind inputR) headB/bodyA]
- #.Nil]
- (case headB/bodyA
- (^ (#///analysis.Reference (///reference.local outputR)))
- (wrap (if (n/= inputR outputR)
- inputS
- (//.branch/exec inputS)))
-
- _
- (do @
- [arity //.scope-arity
- headB/bodyS (//.with-new-local
- (synthesize^ headB/bodyA))]
- (wrap (//.branch/let [inputS
- (if (//function.nested? arity)
- (n/+ (dec arity) inputR)
- inputR)
- headB/bodyS]))))
-
- (^or (^ [[(///analysis.pattern/bool true) thenA]
- (list [(///analysis.pattern/bool false) elseA])])
- (^ [[(///analysis.pattern/bool false) elseA]
- (list [(///analysis.pattern/bool true) thenA])]))
- (do @
- [thenS (synthesize^ thenA)
- elseS (synthesize^ elseA)]
- (wrap (//.branch/if [inputS thenS elseS])))
-
- _
- (let [[[lastP lastA] prevsPA] (|> (#.Cons headB tailB+)
- list.reverse
- (case> (#.Cons [lastP lastA] prevsPA)
- [[lastP lastA] prevsPA]
-
- _
- (undefined)))]
- (do @
- [lastSP (path synthesize^ lastP lastA)
- prevsSP+ (monad.map @ (product.uncurry (path synthesize^)) prevsPA)]
- (wrap (//.branch/case [inputS (list/fold weave lastSP prevsSP+)]))))
- )))
+ (with-expansions [<unnecesary-let>
+ (as-is (^multi (^ (#///analysis.Reference (///reference.local outputR)))
+ (n/= inputR outputR))
+ (wrap inputS))
+
+ <let>
+ (as-is [[(#///analysis.Bind inputR) headB/bodyA]
+ #.Nil]
+ (case headB/bodyA
+ <unnecesary-let>
+
+ _
+ (do @
+ [arity //.scope-arity
+ headB/bodyS (//.with-new-local
+ (synthesize^ headB/bodyA))]
+ (wrap (//.branch/let [inputS
+ (if (//function.nested? arity)
+ (n/+ (dec arity) inputR)
+ inputR)
+ headB/bodyS])))))
+
+ <if>
+ (as-is (^or (^ [[(///analysis.pattern/bool true) thenA]
+ (list [(///analysis.pattern/bool false) elseA])])
+ (^ [[(///analysis.pattern/bool false) elseA]
+ (list [(///analysis.pattern/bool true) thenA])]))
+ (do @
+ [thenS (synthesize^ thenA)
+ elseS (synthesize^ elseA)]
+ (wrap (//.branch/if [inputS thenS elseS]))))
+
+ <case>
+ (as-is _
+ (let [[[lastP lastA] prevsPA] (|> (#.Cons headB tailB+)
+ list.reverse
+ (case> (#.Cons [lastP lastA] prevsPA)
+ [[lastP lastA] prevsPA]
+
+ _
+ (undefined)))]
+ (do @
+ [lastSP (path synthesize^ lastP lastA)
+ prevsSP+ (monad.map @ (product.uncurry (path synthesize^)) prevsPA)]
+ (wrap (//.branch/case [inputS (list/fold weave lastSP prevsSP+)])))))]
+ (case [headB tailB+]
+ <let>
+ <if>
+ <case>))))
diff --git a/stdlib/source/lux/lang/synthesis/function.lux b/stdlib/source/lux/lang/synthesis/function.lux
index cc40bea4d..35b9e047e 100644
--- a/stdlib/source/lux/lang/synthesis/function.lux
+++ b/stdlib/source/lux/lang/synthesis/function.lux
@@ -10,8 +10,8 @@
(dictionary ["dict" unordered #+ Dict]))))
[///reference #+ Variable]
[///compiler #+ Operation]
- [///analysis #+ Environment Analysis]
- [// #+ Arity Synthesis Synthesizer]
+ [///analysis #+ Environment Arity Analysis]
+ [// #+ Synthesis Synthesizer]
[//loop])
(def: #export nested?
diff --git a/stdlib/source/lux/lang/synthesis/loop.lux b/stdlib/source/lux/lang/synthesis/loop.lux
index 6aab72213..eb57eb7ad 100644
--- a/stdlib/source/lux/lang/synthesis/loop.lux
+++ b/stdlib/source/lux/lang/synthesis/loop.lux
@@ -60,9 +60,6 @@
_
proper)))
- (#//.Exec bodyS)
- (proper? bodyS)
-
(#//.Let inputS register bodyS)
(and (proper? inputS)
(proper? bodyS))
@@ -131,9 +128,6 @@
(path-recursion recur)
(maybe/map (|>> (#//.Case inputS) #//.Branch #//.Control)))
- (#//.Exec bodyS)
- (maybe/map (|>> //.branch/exec) (recur bodyS))
-
(#//.Let inputS register bodyS)
(maybe/map (|>> (#//.Let inputS register) #//.Branch #//.Control)
(recur bodyS))
diff --git a/stdlib/source/lux/lang/translation.lux b/stdlib/source/lux/lang/translation.lux
new file mode 100644
index 000000000..c117bc019
--- /dev/null
+++ b/stdlib/source/lux/lang/translation.lux
@@ -0,0 +1,164 @@
+(.module:
+ lux
+ (lux (control ["ex" exception #+ exception:]
+ [monad #+ do])
+ (data [maybe "maybe/" Functor<Maybe>]
+ [error #+ Error]
+ [text]
+ text/format
+ (coll [sequence #+ Sequence]
+ (dictionary ["dict" unordered #+ Dict])))
+ (world [file #+ File]))
+ [//name]
+ [//reference #+ Register]
+ [//compiler #+ Operation Compiler]
+ [//synthesis #+ Synthesis])
+
+(do-template [<name>]
+ [(exception: #export (<name>)
+ "")]
+
+ [no-active-buffer]
+ [no-anchor]
+ )
+
+(exception: #export (cannot-interpret {message Text})
+ message)
+
+(type: #export Context
+ {#scope-name Text
+ #inner-functions Nat})
+
+(sig: #export (Host code)
+ (: (-> code (Error Any))
+ execute!)
+ (: (-> code (Error Any))
+ evaluate!))
+
+(type: #export (Buffer code) (Sequence [Ident code]))
+
+(type: #export (Artifacts code) (Dict File (Buffer code)))
+
+(type: #export (State anchor code)
+ {#context Context
+ #anchor (Maybe anchor)
+ #host (Host code)
+ #buffer (Maybe (Buffer code))
+ #artifacts (Artifacts code)})
+
+(type: #export (Translator anchor code)
+ (Compiler (State anchor code) Synthesis code))
+
+(def: #export (init host)
+ (All [anchor code] (-> (Host code) (..State anchor code)))
+ {#context {#scope-name ""
+ #inner-functions +0}
+ #anchor #.None
+ #host host
+ #buffer #.None
+ #artifacts (dict.new text.Hash<Text>)})
+
+(def: #export (with-context expr)
+ (All [anchor code output]
+ (-> (Operation (..State anchor code) output)
+ (Operation (..State anchor code) [Text output])))
+ (function (_ state)
+ (let [[old-scope old-inner] (get@ #context state)
+ new-scope (format old-scope "c___" (%i (.int old-inner)))]
+ (case (expr (set@ #context [new-scope +0] state))
+ (#error.Success [state' output])
+ (#error.Success [(set@ #context [old-scope (inc old-inner)] state')
+ [new-scope output]])
+
+ (#error.Error error)
+ (#error.Error error)))))
+
+(def: #export context
+ (All [anchor code] (Operation (..State anchor code) Text))
+ (function (_ state)
+ (#error.Success [state
+ (|> state
+ (get@ #context)
+ (get@ #scope-name))])))
+
+(do-template [<tag>
+ <with-declaration> <with-type> <with-value>
+ <get> <get-type> <exception>]
+ [(def: #export <with-declaration>
+ (All [anchor code output] <with-type>)
+ (function (_ body)
+ (function (_ state)
+ (case (body (set@ <tag> (#.Some <with-value>) state))
+ (#error.Success [state' output])
+ (#error.Success [(set@ <tag> (get@ <tag> state) state')
+ output])
+
+ (#error.Error error)
+ (#error.Error error)))))
+
+ (def: #export <get>
+ (All [anchor code] (Operation (..State anchor code) <get-type>))
+ (function (_ state)
+ (case (get@ <tag> state)
+ (#.Some output)
+ (#error.Success [state output])
+
+ #.None
+ (ex.throw <exception> []))))]
+
+ [#anchor
+ (with-anchor anchor)
+ (-> anchor (Operation (..State anchor code) output)
+ (Operation (..State anchor code) output))
+ anchor
+ anchor anchor no-anchor]
+
+ [#buffer
+ with-buffer
+ (-> (Operation (..State anchor code) output)
+ (Operation (..State anchor code) output))
+ sequence.empty
+ buffer (Buffer code) no-active-buffer]
+ )
+
+(def: #export artifacts
+ (All [anchor code]
+ (Operation (..State anchor code) (Artifacts code)))
+ (function (_ state)
+ (#error.Success [state (get@ #artifacts state)])))
+
+(do-template [<name>]
+ [(def: #export (<name> code)
+ (All [anchor code]
+ (-> code (Operation (..State anchor code) Any)))
+ (function (_ state)
+ (case (:: (get@ #host state) <name> code)
+ (#error.Error error)
+ (ex.throw cannot-interpret error)
+
+ (#error.Success output)
+ (#error.Success [state output]))))]
+
+ [execute!]
+ [evaluate!]
+ )
+
+(def: #export (save! name code)
+ (All [anchor code]
+ (-> Ident code (Operation (..State anchor code) Any)))
+ (do //compiler.Monad<Operation>
+ [_ (execute! code)]
+ (function (_ state)
+ (#error.Success [(update@ #buffer
+ (maybe/map (sequence.add [name code]))
+ state)
+ []]))))
+
+(def: #export (save-buffer! target)
+ (All [anchor code]
+ (-> File (Operation (..State anchor code) Any)))
+ (do //compiler.Monad<Operation>
+ [buffer ..buffer]
+ (function (_ state)
+ (#error.Success [(update@ #artifacts (dict.put target buffer) state)
+ []]))))
diff --git a/stdlib/source/lux/lang/translation/scheme/case.jvm.lux b/stdlib/source/lux/lang/translation/scheme/case.jvm.lux
new file mode 100644
index 000000000..e5d12a005
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/case.jvm.lux
@@ -0,0 +1,170 @@
+(.module:
+ [lux #- case let if]
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data [number]
+ [text]
+ text/format
+ (coll [list "list/" Functor<List> Fold<List>]
+ (set ["set" unordered #+ Set]))))
+ (//// [reference #+ Register]
+ (host ["_" scheme #+ Expression Computation Var])
+ [compiler #+ "operation/" Monad<Operation>]
+ [synthesis #+ Synthesis Path])
+ [//runtime #+ Operation Translator]
+ [//reference])
+
+(def: #export (let translate [valueS register bodyS])
+ (-> Translator [Synthesis Register Synthesis]
+ (Operation Computation))
+ (do compiler.Monad<Operation>
+ [valueO (translate valueS)
+ bodyO (translate bodyS)]
+ (wrap (_.let (list [(//reference.local' register) valueO])
+ bodyO))))
+
+(def: #export (record-get translate valueS pathP)
+ (-> Translator Synthesis (List [Nat Bool])
+ (Operation Expression))
+ (do compiler.Monad<Operation>
+ [valueO (translate valueS)]
+ (wrap (list/fold (function (_ [idx tail?] source)
+ (.let [method (.if tail?
+ //runtime.product//right
+ //runtime.product//left)]
+ (method source (_.int (:! Int idx)))))
+ valueO
+ pathP))))
+
+(def: #export (if translate [testS thenS elseS])
+ (-> Translator [Synthesis Synthesis Synthesis]
+ (Operation Computation))
+ (do compiler.Monad<Operation>
+ [testO (translate testS)
+ thenO (translate thenS)
+ elseO (translate elseS)]
+ (wrap (_.if testO thenO elseO))))
+
+(def: @savepoint (_.var "lux_pm_cursor_savepoint"))
+
+(def: @cursor (_.var "lux_pm_cursor"))
+
+(def: top _.length/1)
+
+(def: (push! value var)
+ (-> Expression Var Computation)
+ (_.set! var (_.cons/2 value var)))
+
+(def: (pop! var)
+ (-> Var Computation)
+ (_.set! var var))
+
+(def: (push-cursor! value)
+ (-> Expression Computation)
+ (push! value @cursor))
+
+(def: save-cursor!
+ Computation
+ (push! @cursor @savepoint))
+
+(def: restore-cursor!
+ Computation
+ (_.set! @cursor (_.car/1 @savepoint)))
+
+(def: cursor-top
+ Computation
+ (_.car/1 @cursor))
+
+(def: pop-cursor!
+ Computation
+ (pop! @cursor))
+
+(def: pm-error (_.string "PM-ERROR"))
+
+(def: fail-pm! (_.raise/1 pm-error))
+
+(def: @temp (_.var "lux_pm_temp"))
+
+(exception: #export (unrecognized-path)
+ "")
+
+(def: $alt_error (_.var "alt_error"))
+
+(def: (pm-catch handler)
+ (-> Expression Computation)
+ (_.lambda [(list $alt_error) #.None]
+ (_.if (|> $alt_error (_.eqv?/2 pm-error))
+ handler
+ (_.raise/1 $alt_error))))
+
+(def: (pattern-matching' translate pathP)
+ (-> Translator Path (Operation Expression))
+ (.case pathP
+ (^ (synthesis.path/then bodyS))
+ (translate bodyS)
+
+ #synthesis.Pop
+ (operation/wrap pop-cursor!)
+
+ (#synthesis.Bind register)
+ (operation/wrap (_.define (//reference.local' register) [(list) #.None]
+ cursor-top))
+
+ (^template [<tag> <format> <=>]
+ (^ (<tag> value))
+ (operation/wrap (_.when (|> value <format> (<=> cursor-top) _.not/1)
+ fail-pm!)))
+ ([synthesis.path/bool _.bool _.eqv?/2]
+ [synthesis.path/i64 _.int _.=/2]
+ [synthesis.path/f64 _.float _.=/2]
+ [synthesis.path/text _.string _.eqv?/2])
+
+ (^template [<pm> <flag> <prep>]
+ (^ (<pm> idx))
+ (operation/wrap (_.let (list [@temp (|> idx <prep> .int _.int (//runtime.sum//get cursor-top <flag>))])
+ (_.if (_.null?/1 @temp)
+ fail-pm!
+ (push-cursor! @temp)))))
+ ([synthesis.side/left _.nil (<|)]
+ [synthesis.side/right (_.string "") inc])
+
+ (^template [<pm> <getter> <prep>]
+ (^ (<pm> idx))
+ (operation/wrap (|> idx <prep> .int _.int (<getter> cursor-top) push-cursor!)))
+ ([synthesis.member/left //runtime.product//left (<|)]
+ [synthesis.member/right //runtime.product//right inc])
+
+ (^template [<tag> <computation>]
+ (^ (<tag> [leftP rightP]))
+ (do compiler.Monad<Operation>
+ [leftO (pattern-matching' translate leftP)
+ rightO (pattern-matching' translate rightP)]
+ (wrap <computation>)))
+ ([synthesis.path/seq (_.begin (list leftO
+ rightO))]
+ [synthesis.path/alt (_.with-exception-handler
+ (pm-catch (_.begin (list restore-cursor!
+ rightO)))
+ (_.lambda [(list) #.None]
+ (_.begin (list save-cursor!
+ leftO))))])
+
+ _
+ (compiler.throw unrecognized-path [])))
+
+(def: (pattern-matching translate pathP)
+ (-> Translator Path (Operation Computation))
+ (do compiler.Monad<Operation>
+ [pattern-matching! (pattern-matching' translate pathP)]
+ (wrap (_.with-exception-handler
+ (pm-catch (_.raise/1 (_.string "Invalid expression for pattern-matching.")))
+ (_.lambda [(list) #.None]
+ pattern-matching!)))))
+
+(def: #export (case translate [valueS pathP])
+ (-> Translator [Synthesis Path] (Operation Computation))
+ (do compiler.Monad<Operation>
+ [valueO (translate valueS)]
+ (<| (:: @ map (_.let (list [@cursor (_.list/* (list valueO))]
+ [@savepoint (_.list/* (list))])))
+ (pattern-matching translate pathP))))
diff --git a/stdlib/source/lux/lang/translation/scheme/expression.jvm.lux b/stdlib/source/lux/lang/translation/scheme/expression.jvm.lux
new file mode 100644
index 000000000..96bb17126
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/expression.jvm.lux
@@ -0,0 +1,53 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]))
+ (//// [compiler]
+ [synthesis]
+ [extension])
+ [//runtime #+ Translator]
+ [//primitive]
+ [//structure]
+ [//reference]
+ [//function]
+ [//case])
+
+(def: #export (translate synthesis)
+ Translator
+ (case synthesis
+ (^template [<tag> <generator>]
+ (^ (<tag> value))
+ (<generator> value))
+ ([synthesis.bool //primitive.bool]
+ [synthesis.i64 //primitive.i64]
+ [synthesis.f64 //primitive.f64]
+ [synthesis.text //primitive.text])
+
+ (^ (synthesis.variant variantS))
+ (//structure.variant translate variantS)
+
+ (^ (synthesis.tuple members))
+ (//structure.tuple translate members)
+
+ (#synthesis.Reference reference)
+ (//reference.reference reference)
+
+ (^ (synthesis.function/apply application))
+ (//function.apply translate application)
+
+ (^ (synthesis.function/abstraction abstraction))
+ (//function.function translate abstraction)
+
+ (^ (synthesis.branch/case case))
+ (//case.case translate case)
+
+ (^ (synthesis.branch/let let))
+ (//case.let translate let)
+
+ (^ (synthesis.branch/if if))
+ (//case.if translate if)
+
+ (#synthesis.Extension [extension argsS])
+ (do compiler.Monad<Operation>
+ [extension (extension.find-translation extension)]
+ (extension argsS))
+ ))
diff --git a/stdlib/source/lux/lang/translation/scheme/extension.jvm.lux b/stdlib/source/lux/lang/translation/scheme/extension.jvm.lux
new file mode 100644
index 000000000..6475caf68
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/extension.jvm.lux
@@ -0,0 +1,32 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data [maybe]
+ text/format
+ (coll (dictionary ["dict" unordered #+ Dict]))))
+ (//// [reference #+ Register Variable]
+ (host ["_" scheme #+ Computation])
+ [compiler "operation/" Monad<Operation>]
+ [synthesis #+ Synthesis])
+ [//runtime #+ Operation Translator]
+ [/common]
+ ## [/host]
+ )
+
+(exception: #export (unknown-extension {message Text})
+ message)
+
+(def: extensions
+ /common.Bundle
+ (|> /common.extensions
+ ## (dict.merge /host.extensions)
+ ))
+
+(def: #export (extension translate name args)
+ (-> Translator Text (List Synthesis)
+ (Operation Computation))
+ (<| (maybe.default (compiler.throw unknown-extension (%t name)))
+ (do maybe.Monad<Maybe>
+ [ext (dict.get name extensions)]
+ (wrap (ext translate args)))))
diff --git a/stdlib/source/lux/lang/translation/scheme/extension/common.jvm.lux b/stdlib/source/lux/lang/translation/scheme/extension/common.jvm.lux
new file mode 100644
index 000000000..140045aaf
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/extension/common.jvm.lux
@@ -0,0 +1,389 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data ["e" error]
+ [product]
+ [text]
+ text/format
+ [number #+ hex]
+ (coll [list "list/" Functor<List>]
+ (dictionary ["dict" unordered #+ Dict])))
+ [macro #+ with-gensyms]
+ (macro [code]
+ ["s" syntax #+ syntax:])
+ [host])
+ (///// (host ["_" scheme #+ Expression Computation])
+ [compiler]
+ [synthesis #+ Synthesis])
+ [///runtime #+ Operation Translator])
+
+## [Types]
+(type: #export Extension
+ (-> Translator (List Synthesis) (Operation Computation)))
+
+(type: #export Bundle
+ (Dict Text Extension))
+
+(syntax: (Vector {size s.nat} elemT)
+ (wrap (list (` [(~+ (list.repeat size elemT))]))))
+
+(type: #export Nullary (-> (Vector +0 Expression) Computation))
+(type: #export Unary (-> (Vector +1 Expression) Computation))
+(type: #export Binary (-> (Vector +2 Expression) Computation))
+(type: #export Trinary (-> (Vector +3 Expression) Computation))
+(type: #export Variadic (-> (List Expression) Computation))
+
+## [Utils]
+(def: #export (install name unnamed)
+ (-> Text (-> Text Extension)
+ (-> Bundle Bundle))
+ (dict.put name (unnamed name)))
+
+(def: #export (prefix prefix bundle)
+ (-> Text Bundle Bundle)
+ (|> bundle
+ dict.entries
+ (list/map (function (_ [key val]) [(format prefix " " key) val]))
+ (dict.from-list text.Hash<Text>)))
+
+(exception: #export (wrong-arity {extension Text} {expected Nat} {actual Nat})
+ (ex.report ["Extension" (%t extension)]
+ ["Expected" (|> expected .int %i)]
+ ["Actual" (|> actual .int %i)]))
+
+(syntax: (arity: {name s.local-symbol} {arity s.nat})
+ (with-gensyms [g!_ g!extension g!name g!translate g!inputs]
+ (do @
+ [g!input+ (monad.seq @ (list.repeat arity (macro.gensym "input")))]
+ (wrap (list (` (def: #export ((~ (code.local-symbol name)) (~ g!extension))
+ (-> (-> (..Vector (~ (code.nat arity)) Expression) Computation)
+ (-> Text ..Extension))
+ (function ((~ g!_) (~ g!name))
+ (function ((~ g!_) (~ g!translate) (~ g!inputs))
+ (case (~ g!inputs)
+ (^ (list (~+ g!input+)))
+ (do compiler.Monad<Operation>
+ [(~+ (|> g!input+
+ (list/map (function (_ g!input)
+ (list g!input (` ((~ g!translate) (~ g!input))))))
+ list.concat))]
+ ((~' wrap) ((~ g!extension) [(~+ g!input+)])))
+
+ (~' _)
+ (compiler.throw wrong-arity [(~ g!name) +1 (list.size (~ g!inputs))])))))))))))
+
+(arity: nullary +0)
+(arity: unary +1)
+(arity: binary +2)
+(arity: trinary +3)
+
+(def: #export (variadic extension)
+ (-> Variadic (-> Text Extension))
+ (function (_ extension-name)
+ (function (_ translate inputsS)
+ (do compiler.Monad<Operation>
+ [inputsI (monad.map @ translate inputsS)]
+ (wrap (extension inputsI))))))
+
+## [Extensions]
+## [[Lux]]
+(def: extensions/lux
+ Bundle
+ (|> (dict.new text.Hash<Text>)
+ (install "is?" (binary (product.uncurry _.eq?/2)))
+ (install "try" (unary ///runtime.lux//try))))
+
+## [[Bits]]
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [bit//and _.bit-and/2]
+ [bit//or _.bit-or/2]
+ [bit//xor _.bit-xor/2]
+ )
+
+(def: (bit//left-shift [subjectO paramO])
+ Binary
+ (_.arithmetic-shift/2 (_.remainder/2 (_.int 64) paramO)
+ subjectO))
+
+(def: (bit//arithmetic-right-shift [subjectO paramO])
+ Binary
+ (_.arithmetic-shift/2 (|> paramO (_.remainder/2 (_.int 64)) (_.*/2 (_.int -1)))
+ subjectO))
+
+(def: (bit//logical-right-shift [subjectO paramO])
+ Binary
+ (///runtime.bit//logical-right-shift (_.remainder/2 (_.int 64) paramO) subjectO))
+
+(def: extensions/bit
+ Bundle
+ (<| (prefix "bit")
+ (|> (dict.new text.Hash<Text>)
+ (install "and" (binary bit//and))
+ (install "or" (binary bit//or))
+ (install "xor" (binary bit//xor))
+ (install "left-shift" (binary bit//left-shift))
+ (install "logical-right-shift" (binary bit//logical-right-shift))
+ (install "arithmetic-right-shift" (binary bit//arithmetic-right-shift))
+ )))
+
+## [[Arrays]]
+(def: (array//new size0)
+ Unary
+ (_.make-vector/2 size0 _.nil))
+
+(def: (array//get [arrayO idxO])
+ Binary
+ (///runtime.array//get arrayO idxO))
+
+(def: (array//put [arrayO idxO elemO])
+ Trinary
+ (///runtime.array//put arrayO idxO elemO))
+
+(def: (array//remove [arrayO idxO])
+ Binary
+ (///runtime.array//put arrayO idxO _.nil))
+
+(def: extensions/array
+ Bundle
+ (<| (prefix "array")
+ (|> (dict.new text.Hash<Text>)
+ (install "new" (unary array//new))
+ (install "get" (binary array//get))
+ (install "put" (trinary array//put))
+ (install "remove" (binary array//remove))
+ (install "size" (unary _.vector-length/1))
+ )))
+
+## [[Numbers]]
+(host.import java/lang/Double
+ (#static MIN_VALUE Double)
+ (#static MAX_VALUE Double))
+
+(do-template [<name> <const> <encode>]
+ [(def: (<name> _)
+ Nullary
+ (<encode> <const>))]
+
+ [frac//smallest Double::MIN_VALUE _.float]
+ [frac//min (f/* -1.0 Double::MAX_VALUE) _.float]
+ [frac//max Double::MAX_VALUE _.float]
+ )
+
+(do-template [<name> <frac>]
+ [(def: (<name> _)
+ Nullary
+ (_.float <frac>))]
+
+ [frac//not-a-number number.not-a-number]
+ [frac//positive-infinity number.positive-infinity]
+ [frac//negative-infinity number.negative-infinity]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (|> subjectO (<op> paramO)))]
+
+ [int//+ _.+/2]
+ [int//- _.-/2]
+ [int//* _.*/2]
+ [int/// _.quotient/2]
+ [int//% _.remainder/2]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [frac//+ _.+/2]
+ [frac//- _.-/2]
+ [frac//* _.*/2]
+ [frac/// _.//2]
+ [frac//% _.mod/2]
+ [frac//= _.=/2]
+ [frac//< _.</2]
+
+ [text//= _.string=?/2]
+ [text//< _.string<?/2]
+ )
+
+(do-template [<name> <cmp>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<cmp> paramO subjectO))]
+
+ [int//= _.=/2]
+ [int//< _.</2]
+ )
+
+(def: int//char (|>> _.integer->char/1 _.string/1))
+
+(def: extensions/int
+ Bundle
+ (<| (prefix "int")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary int//+))
+ (install "-" (binary int//-))
+ (install "*" (binary int//*))
+ (install "/" (binary int///))
+ (install "%" (binary int//%))
+ (install "=" (binary int//=))
+ (install "<" (binary int//<))
+ (install "to-frac" (unary (|>> (_.//2 (_.float 1.0)))))
+ (install "char" (unary int//char)))))
+
+(def: extensions/frac
+ Bundle
+ (<| (prefix "frac")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary frac//+))
+ (install "-" (binary frac//-))
+ (install "*" (binary frac//*))
+ (install "/" (binary frac///))
+ (install "%" (binary frac//%))
+ (install "=" (binary frac//=))
+ (install "<" (binary frac//<))
+ (install "smallest" (nullary frac//smallest))
+ (install "min" (nullary frac//min))
+ (install "max" (nullary frac//max))
+ (install "not-a-number" (nullary frac//not-a-number))
+ (install "positive-infinity" (nullary frac//positive-infinity))
+ (install "negative-infinity" (nullary frac//negative-infinity))
+ (install "to-int" (unary _.exact/1))
+ (install "encode" (unary _.number->string/1))
+ (install "decode" (unary ///runtime.frac//decode)))))
+
+## [[Text]]
+(def: (text//char [subjectO paramO])
+ Binary
+ (_.string/1 (_.string-ref/2 subjectO paramO)))
+
+(def: (text//clip [subjectO startO endO])
+ Trinary
+ (_.substring/3 subjectO startO endO))
+
+(def: extensions/text
+ Bundle
+ (<| (prefix "text")
+ (|> (dict.new text.Hash<Text>)
+ (install "=" (binary text//=))
+ (install "<" (binary text//<))
+ (install "concat" (binary (product.uncurry _.string-append/2)))
+ (install "size" (unary _.string-length/1))
+ (install "char" (binary text//char))
+ (install "clip" (trinary text//clip)))))
+
+## [[Math]]
+(def: (math//pow [subject param])
+ Binary
+ (_.expt/2 param subject))
+
+(def: math-func
+ (-> Text Unary)
+ (|>> _.global _.apply/1))
+
+(def: extensions/math
+ Bundle
+ (<| (prefix "math")
+ (|> (dict.new text.Hash<Text>)
+ (install "cos" (unary (math-func "cos")))
+ (install "sin" (unary (math-func "sin")))
+ (install "tan" (unary (math-func "tan")))
+ (install "acos" (unary (math-func "acos")))
+ (install "asin" (unary (math-func "asin")))
+ (install "atan" (unary (math-func "atan")))
+ (install "exp" (unary (math-func "exp")))
+ (install "log" (unary (math-func "log")))
+ (install "ceil" (unary (math-func "ceiling")))
+ (install "floor" (unary (math-func "floor")))
+ (install "pow" (binary math//pow))
+ )))
+
+## [[IO]]
+(def: (io//log input)
+ Unary
+ (_.begin (list (_.display/1 input)
+ _.newline/0)))
+
+(def: (void code)
+ (-> Expression Computation)
+ (_.begin (list code (_.string synthesis.unit))))
+
+(def: extensions/io
+ Bundle
+ (<| (prefix "io")
+ (|> (dict.new text.Hash<Text>)
+ (install "log" (unary (|>> io//log ..void)))
+ (install "error" (unary _.raise/1))
+ (install "exit" (unary _.exit/1))
+ (install "current-time" (nullary (function (_ _) (///runtime.io//current-time (_.string synthesis.unit))))))))
+
+## [[Atoms]]
+(def: atom//new
+ Unary
+ (|>> (list) _.vector/*))
+
+(def: (atom//read atom)
+ Unary
+ (_.vector-ref/2 atom (_.int 0)))
+
+(def: (atom//compare-and-swap [atomO oldO newO])
+ Trinary
+ (///runtime.atom//compare-and-swap atomO oldO newO))
+
+(def: extensions/atom
+ Bundle
+ (<| (prefix "atom")
+ (|> (dict.new text.Hash<Text>)
+ (install "new" (unary atom//new))
+ (install "read" (unary atom//read))
+ (install "compare-and-swap" (trinary atom//compare-and-swap)))))
+
+## [[Box]]
+(def: (box//write [valueO boxO])
+ Binary
+ (///runtime.box//write valueO boxO))
+
+(def: extensions/box
+ Bundle
+ (<| (prefix "box")
+ (|> (dict.new text.Hash<Text>)
+ (install "new" (unary atom//new))
+ (install "read" (unary atom//read))
+ (install "write" (binary box//write)))))
+
+## [[Processes]]
+(def: (process//parallelism-level [])
+ Nullary
+ (_.int 1))
+
+(def: extensions/process
+ Bundle
+ (<| (prefix "process")
+ (|> (dict.new text.Hash<Text>)
+ (install "parallelism-level" (nullary process//parallelism-level))
+ (install "schedule" (binary (product.uncurry ///runtime.process//schedule)))
+ )))
+
+## [Bundles]
+(def: #export extensions
+ Bundle
+ (<| (prefix "lux")
+ (|> extensions/lux
+ (dict.merge extensions/bit)
+ (dict.merge extensions/int)
+ (dict.merge extensions/frac)
+ (dict.merge extensions/text)
+ (dict.merge extensions/array)
+ (dict.merge extensions/math)
+ (dict.merge extensions/io)
+ (dict.merge extensions/atom)
+ (dict.merge extensions/box)
+ (dict.merge extensions/process)
+ )))
diff --git a/stdlib/source/lux/lang/translation/scheme/function.jvm.lux b/stdlib/source/lux/lang/translation/scheme/function.jvm.lux
new file mode 100644
index 000000000..11c64076c
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/function.jvm.lux
@@ -0,0 +1,85 @@
+(.module:
+ [lux #- function]
+ (lux (control [monad #+ do]
+ pipe)
+ (data [product]
+ text/format
+ (coll [list "list/" Functor<List>])))
+ (//// [reference #+ Register Variable]
+ [name]
+ [compiler "operation/" Monad<Operation>]
+ [analysis #+ Variant Tuple Environment Arity Abstraction Application Analysis]
+ [synthesis #+ Synthesis]
+ (host ["_" scheme #+ Expression Computation Var]))
+ [///]
+ [//runtime #+ Operation Translator]
+ [//primitive]
+ [//reference])
+
+(def: #export (apply translate [functionS argsS+])
+ (-> Translator (Application Synthesis) (Operation Computation))
+ (do compiler.Monad<Operation>
+ [functionO (translate functionS)
+ argsO+ (monad.map @ translate argsS+)]
+ (wrap (_.apply/* functionO argsO+))))
+
+(def: (with-closure function-name inits function-definition)
+ (-> Text (List Expression) Computation (Operation Computation))
+ (let [@closure (_.var (format function-name "___CLOSURE"))]
+ (operation/wrap
+ (case inits
+ #.Nil
+ function-definition
+
+ _
+ (_.letrec (list [@closure
+ (_.lambda [(|> (list.enumerate inits)
+ (list/map (|>> product.left //reference.foreign')))
+ #.None]
+ function-definition)])
+ (_.apply/* @closure inits))))))
+
+(def: @curried (_.var "curried"))
+(def: @missing (_.var "missing"))
+
+(def: input
+ (|>> inc //reference.local'))
+
+(def: #export (function translate [environment arity bodyS])
+ (-> Translator (Abstraction Synthesis) (Operation Computation))
+ (do compiler.Monad<Operation>
+ [[function-name bodyO] (///.with-context
+ (do @
+ [function-name ///.context]
+ (///.with-anchor (_.var function-name)
+ (translate bodyS))))
+ closureO+ (monad.map @ //reference.variable environment)
+ #let [arityO (|> arity .int _.int)
+ @num-args (_.var "num_args")
+ @function (_.var function-name)
+ apply-poly (.function (_ args func)
+ (_.apply/2 (_.global "apply") func args))]]
+ (with-closure function-name closureO+
+ (_.letrec (list [@function (_.lambda [(list) (#.Some @curried)]
+ (_.let (list [@num-args (_.length/1 @curried)])
+ (<| (_.if (|> @num-args (_.=/2 arityO))
+ (<| (_.let (list [(//reference.local' +0) @function]))
+ (_.let-values (list [[(|> (list.n/range +0 (dec arity))
+ (list/map ..input))
+ #.None]
+ (_.apply/2 (_.global "apply") (_.global "values") @curried)]))
+ bodyO))
+ (_.if (|> @num-args (_.>/2 arityO))
+ (let [arity-args (//runtime.slice (_.int 0) arityO @curried)
+ output-func-args (//runtime.slice arityO
+ (|> @num-args (_.-/2 arityO))
+ @curried)]
+ (|> @function
+ (apply-poly arity-args)
+ (apply-poly output-func-args))))
+ ## (|> @num-args (_.</2 arityO))
+ (_.lambda [(list) (#.Some @missing)]
+ (|> @function
+ (apply-poly (_.append/2 @curried @missing)))))))])
+ @function))
+ ))
diff --git a/stdlib/source/lux/lang/translation/scheme/loop.jvm.lux b/stdlib/source/lux/lang/translation/scheme/loop.jvm.lux
new file mode 100644
index 000000000..6f305336e
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/loop.jvm.lux
@@ -0,0 +1,39 @@
+(.module:
+ [lux #- loop]
+ (lux (control [monad #+ do])
+ (data [product]
+ [text]
+ text/format
+ (coll [list "list/" Functor<List>]))
+ [macro])
+ [////]
+ (//// [name]
+ (host ["_" scheme #+ Computation Var])
+ [compiler "operation/" Monad<Operation>]
+ [synthesis #+ Synthesis])
+ [///]
+ [//runtime #+ Operation Translator]
+ [//reference])
+
+(def: @loop (_.var "loop"))
+
+(def: #export (loop translate offset initsS+ bodyS)
+ (-> Translator Nat (List Synthesis) Synthesis
+ (Operation Computation))
+ (do compiler.Monad<Operation>
+ [initsO+ (monad.map @ translate initsS+)
+ bodyO (///.with-anchor @loop
+ (translate bodyS))]
+ (wrap (_.letrec (list [@loop (_.lambda [(|> initsS+
+ list.enumerate
+ (list/map (|>> product.left (n/+ offset) //reference.local')))
+ #.None]
+ bodyO)])
+ (_.apply/* @loop initsO+)))))
+
+(def: #export (recur translate argsS+)
+ (-> Translator (List Synthesis) (Operation Computation))
+ (do compiler.Monad<Operation>
+ [@loop ///.anchor
+ argsO+ (monad.map @ translate argsS+)]
+ (wrap (_.apply/* @loop argsO+))))
diff --git a/stdlib/source/lux/lang/translation/scheme/primitive.jvm.lux b/stdlib/source/lux/lang/translation/scheme/primitive.jvm.lux
new file mode 100644
index 000000000..ac775fa82
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/primitive.jvm.lux
@@ -0,0 +1,22 @@
+(.module:
+ [lux #- i64]
+ [/// #+ State]
+ (//// [compiler #+ "operation/" Monad<Operation>]
+ (host ["_" scheme #+ Expression]))
+ [//runtime #+ Operation])
+
+(def: #export bool
+ (-> Bool (Operation Expression))
+ (|>> _.bool operation/wrap))
+
+(def: #export i64
+ (-> (I64 Any) (Operation Expression))
+ (|>> .int _.int operation/wrap))
+
+(def: #export f64
+ (-> Frac (Operation Expression))
+ (|>> _.float operation/wrap))
+
+(def: #export text
+ (-> Text (Operation Expression))
+ (|>> _.string operation/wrap))
diff --git a/stdlib/source/lux/lang/translation/scheme/reference.jvm.lux b/stdlib/source/lux/lang/translation/scheme/reference.jvm.lux
new file mode 100644
index 000000000..453d4edb6
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/reference.jvm.lux
@@ -0,0 +1,54 @@
+(.module:
+ lux
+ (lux (control pipe)
+ (data text/format))
+ (//// [reference #+ Register Variable Reference]
+ [name]
+ [compiler "operation/" Monad<Operation>]
+ [analysis #+ Variant Tuple]
+ [synthesis #+ Synthesis]
+ (host ["_" scheme #+ Expression Var]))
+ [//runtime #+ Operation Translator]
+ [//primitive])
+
+(do-template [<name> <prefix>]
+ [(def: #export <name>
+ (-> Register Var)
+ (|>> .int %i (format <prefix>) _.var))]
+
+ [local' "l"]
+ [foreign' "f"]
+ )
+
+(def: #export variable'
+ (-> Variable Var)
+ (|>> (case> (#reference.Local register)
+ (local' register)
+
+ (#reference.Foreign register)
+ (foreign' register))))
+
+(def: #export variable
+ (-> Variable (Operation Var))
+ (|>> ..variable'
+ operation/wrap))
+
+(def: #export constant'
+ (-> Ident Var)
+ (|>> name.definition _.var))
+
+(def: #export constant
+ (-> Ident (Operation Var))
+ (|>> constant' operation/wrap))
+
+(def: #export reference'
+ (-> Reference Expression)
+ (|>> (case> (#reference.Constant value)
+ (..constant' value)
+
+ (#reference.Variable value)
+ (..variable' value))))
+
+(def: #export reference
+ (-> Reference (Operation Expression))
+ (|>> reference' operation/wrap))
diff --git a/stdlib/source/lux/lang/translation/scheme/runtime.jvm.lux b/stdlib/source/lux/lang/translation/scheme/runtime.jvm.lux
new file mode 100644
index 000000000..b30aff3a2
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/runtime.jvm.lux
@@ -0,0 +1,362 @@
+(.module:
+ lux
+ (lux (control ["p" parser "p/" Monad<Parser>]
+ [monad #+ do])
+ (data [number #+ hex]
+ text/format
+ (coll [list "list/" Monad<List>]))
+ [function]
+ (macro [code]
+ ["s" syntax #+ syntax:]))
+ [/// #+ State]
+ (//// [name]
+ [compiler]
+ [analysis #+ Variant]
+ [synthesis]
+ (host ["_" scheme #+ Expression Computation Var])))
+
+(type: #export Operation
+ (compiler.Operation (State Var Expression)))
+
+(type: #export Translator
+ (///.Translator Var Expression))
+
+(def: prefix Text "LuxRuntime")
+
+(def: unit (_.string synthesis.unit))
+
+(def: #export variant-tag "lux-variant")
+
+(def: (flag value)
+ (-> Bool Computation)
+ (if value
+ (_.string "")
+ _.nil))
+
+(def: (variant' tag last? value)
+ (-> Expression Expression Expression Computation)
+ (<| (_.cons/2 (_.symbol ..variant-tag))
+ (_.cons/2 tag)
+ (_.cons/2 last?)
+ value))
+
+(def: #export (variant [lefts right? value])
+ (-> (Variant Expression) Computation)
+ (variant' (_.int (.int lefts)) (flag right?) value))
+
+(def: #export none
+ Computation
+ (variant [+0 false ..unit]))
+
+(def: #export some
+ (-> Expression Computation)
+ (|>> [+0 true] ..variant))
+
+(def: #export left
+ (-> Expression Computation)
+ (|>> [+0 false] ..variant))
+
+(def: #export right
+ (-> Expression Computation)
+ (|>> [+0 true] ..variant))
+
+(def: declaration
+ (s.Syntax [Text (List Text)])
+ (p.either (p.seq s.local-symbol (p/wrap (list)))
+ (s.form (p.seq s.local-symbol (p.some s.local-symbol)))))
+
+(syntax: (runtime: {[name args] declaration}
+ definition)
+ (let [implementation (code.local-symbol (format "@@" name))
+ runtime (format prefix "__" (name.normalize name))
+ @runtime (` (_.var (~ (code.text runtime))))
+ argsC+ (list/map code.local-symbol args)
+ argsLC+ (list/map (|>> name.normalize (format "LRV__") code.text (~) (_.var) (`))
+ args)
+ declaration (` ((~ (code.local-symbol name))
+ (~+ argsC+)))
+ type (` (-> (~+ (list.repeat (list.size argsC+) (` _.Expression)))
+ _.Computation))]
+ (wrap (list (` (def: (~' #export) (~ declaration)
+ (~ type)
+ (~ (case argsC+
+ #.Nil
+ @runtime
+
+ _
+ (` (_.apply/* (~ @runtime) (list (~+ argsC+))))))))
+ (` (def: (~ implementation)
+ _.Computation
+ (~ (case argsC+
+ #.Nil
+ (` (_.define (~ @runtime) [(list) #.None] (~ definition)))
+
+ _
+ (` (let [(~+ (|> (list.zip2 argsC+ argsLC+)
+ (list/map (function (_ [left right])
+ (list left right)))
+ list/join))]
+ (_.define (~ @runtime) [(list (~+ argsLC+)) #.None]
+ (~ definition))))))))))))
+
+(runtime: (slice offset length list)
+ (<| (_.if (_.null?/1 list)
+ list)
+ (_.if (|> offset (_.>/2 (_.int 0)))
+ (slice (|> offset (_.-/2 (_.int 1)))
+ length
+ (_.cdr/1 list)))
+ (_.if (|> length (_.>/2 (_.int 0)))
+ (_.cons/2 (_.car/1 list)
+ (slice offset
+ (|> length (_.-/2 (_.int 1)))
+ (_.cdr/1 list))))
+ _.nil))
+
+(syntax: #export (with-vars {vars (s.tuple (p.many s.local-symbol))}
+ body)
+ (wrap (list (` (let [(~+ (|> vars
+ (list/map (function (_ var)
+ (list (code.local-symbol var)
+ (` (_.var (~ (code.text (format "LRV__" (name.normalize var)))))))))
+ list/join))]
+ (~ body))))))
+
+(runtime: (lux//try op)
+ (with-vars [error]
+ (_.with-exception-handler
+ (_.lambda [(list error) #.None]
+ (..left error))
+ (_.lambda [(list) #.None]
+ (..right (_.apply/* op (list ..unit)))))))
+
+(runtime: (lux//program-args program-args)
+ (with-vars [@loop @input @output]
+ (_.letrec (list [@loop (_.lambda [(list @input @output) #.None]
+ (_.if (_.eqv?/2 _.nil @input)
+ @output
+ (_.apply/2 @loop (_.cdr/1 @input) (..some (_.vector/* (list (_.car/1 @input) @output))))))])
+ (_.apply/2 @loop (_.reverse/1 program-args) ..none))))
+
+(def: runtime//lux
+ Computation
+ (_.begin (list @@lux//try
+ @@lux//program-args)))
+
+(def: minimum-index-length
+ (-> Expression Computation)
+ (|>> (_.+/2 (_.int 1))))
+
+(def: product-element
+ (-> Expression Expression Computation)
+ (function.flip _.vector-ref/2))
+
+(def: (product-tail product)
+ (-> Expression Computation)
+ (_.vector-ref/2 product (|> (_.length/1 product) (_.-/2 (_.int 1)))))
+
+(def: (updated-index min-length product)
+ (-> Expression Expression Computation)
+ (|> min-length (_.-/2 (_.length/1 product))))
+
+(runtime: (product//left product index)
+ (let [@index_min_length (_.var "index_min_length")]
+ (_.begin
+ (list (_.define @index_min_length [(list) #.None]
+ (minimum-index-length index))
+ (_.if (|> product _.length/1 (_.>/2 @index_min_length))
+ ## No need for recursion
+ (product-element index product)
+ ## Needs recursion
+ (product//left (product-tail product)
+ (updated-index @index_min_length product)))))))
+
+(runtime: (product//right product index)
+ (let [@index_min_length (_.var "index_min_length")
+ @product_length (_.var "product_length")
+ @slice (_.var "slice")
+ last-element? (|> @product_length (_.=/2 @index_min_length))
+ needs-recursion? (|> @product_length (_.</2 @index_min_length))]
+ (_.begin
+ (list
+ (_.define @index_min_length [(list) #.None] (minimum-index-length index))
+ (_.define @product_length [(list) #.None] (_.length/1 product))
+ (<| (_.if last-element?
+ (product-element index product))
+ (_.if needs-recursion?
+ (product//right (product-tail product)
+ (updated-index @index_min_length product)))
+ ## Must slice
+ (_.begin
+ (list (_.define @slice [(list) #.None]
+ (_.make-vector/1 (|> @product_length (_.-/2 index))))
+ (_.vector-copy!/5 @slice (_.int 0) product index @product_length)
+ @slice)))))))
+
+(runtime: (sum//get sum last? wanted-tag)
+ (with-vars [variant-tag sum-tag sum-flag sum-value]
+ (let [no-match _.nil
+ is-last? (|> sum-flag (_.eqv?/2 (_.string "")))
+ test-recursion (_.if is-last?
+ ## Must recurse.
+ (sum//get sum-value
+ (|> wanted-tag (_.-/2 sum-tag))
+ last?)
+ no-match)]
+ (<| (_.let-values (list [[(list variant-tag sum-tag sum-flag sum-value) #.None]
+ (_.apply/* (_.global "apply") (list (_.global "values") sum))]))
+ (_.if (|> wanted-tag (_.=/2 sum-tag))
+ (_.if (|> sum-flag (_.eqv?/2 last?))
+ sum-value
+ test-recursion))
+ (_.if (|> wanted-tag (_.>/2 sum-tag))
+ test-recursion)
+ (_.if (_.and (list (|> last? (_.eqv?/2 (_.string "")))
+ (|> wanted-tag (_.</2 sum-tag))))
+ (variant' (|> sum-tag (_.-/2 wanted-tag)) sum-flag sum-value))
+ no-match))))
+
+(def: runtime//adt
+ Computation
+ (_.begin (list @@product//left
+ @@product//right
+ @@sum//get)))
+
+(runtime: (bit//logical-right-shift shift input)
+ (_.if (_.=/2 (_.int 0) shift)
+ input
+ (|> input
+ (_.arithmetic-shift/2 (_.*/2 (_.int -1) shift))
+ (_.bit-and/2 (_.int (hex "7FFFFFFFFFFFFFFF"))))))
+
+(def: runtime//bit
+ Computation
+ (_.begin (list @@bit//logical-right-shift)))
+
+(runtime: (frac//decode input)
+ (with-vars [@output]
+ (_.let (list [@output ((_.apply/1 (_.global "string->number")) input)])
+ (_.if (_.and (list (_.not/1 (_.=/2 @output @output))
+ (_.not/1 (_.eqv?/2 (_.string "+nan.0") input))))
+ ..none
+ (..some @output)))))
+
+(def: runtime//frac
+ Computation
+ (_.begin
+ (list @@frac//decode)))
+
+(def: (check-index-out-of-bounds array idx body)
+ (-> Expression Expression Expression Computation)
+ (_.if (|> idx (_.<=/2 (_.length/1 array)))
+ body
+ (_.raise/1 (_.string "Array index out of bounds!"))))
+
+(runtime: (array//get array idx)
+ (with-vars [@temp]
+ (<| (check-index-out-of-bounds array idx)
+ (_.let (list [@temp (_.vector-ref/2 array idx)])
+ (_.if (|> @temp (_.eqv?/2 _.nil))
+ ..none
+ (..some @temp))))))
+
+(runtime: (array//put array idx value)
+ (<| (check-index-out-of-bounds array idx)
+ (_.begin
+ (list (_.vector-set!/3 array idx value)
+ array))))
+
+(def: runtime//array
+ Computation
+ (_.begin
+ (list @@array//get
+ @@array//put)))
+
+(runtime: (atom//compare-and-swap atom old new)
+ (with-vars [@temp]
+ (_.let (list [@temp (_.vector-ref/2 atom (_.int 0))])
+ (_.if (_.eq?/2 old @temp)
+ (_.begin
+ (list (_.vector-set!/3 atom (_.int 0) new)
+ (_.bool true)))
+ (_.bool false)))))
+
+(def: runtime//atom
+ Computation
+ @@atom//compare-and-swap)
+
+(runtime: (box//write value box)
+ (_.begin
+ (list
+ (_.vector-set!/3 box (_.int 0) value)
+ ..unit)))
+
+(def: runtime//box
+ Computation
+ (_.begin (list @@box//write)))
+
+(runtime: (io//current-time _)
+ (|> (_.apply/* (_.global "current-second") (list))
+ (_.*/2 (_.int 1_000))
+ _.exact/1))
+
+(def: runtime//io
+ (_.begin (list @@io//current-time)))
+
+(def: process//incoming
+ Var
+ (_.var (name.normalize "process//incoming")))
+
+(runtime: (process//loop _)
+ (_.when (_.not/1 (_.null?/1 process//incoming))
+ (with-vars [queue process]
+ (_.let (list [queue process//incoming])
+ (_.begin (list (_.set! process//incoming (_.list/* (list)))
+ (_.map/2 (_.lambda [(list process) #.None]
+ (_.apply/1 process ..unit))
+ queue)
+ (process//loop ..unit)))))))
+
+(runtime: (process//schedule milli-seconds procedure)
+ (let [process//future (function (_ process)
+ (_.set! process//incoming (_.cons/2 process process//incoming)))]
+ (_.begin
+ (list
+ (_.if (_.=/2 (_.int 0) milli-seconds)
+ (process//future procedure)
+ (with-vars [@start @process @now @ignored]
+ (_.let (list [@start (io//current-time ..unit)])
+ (_.letrec (list [@process (_.lambda [(list) (#.Some @ignored)]
+ (_.let (list [@now (io//current-time ..unit)])
+ (_.if (|> @now (_.-/2 @start) (_.>=/2 milli-seconds))
+ (_.apply/1 procedure ..unit)
+ (process//future @process))))])
+ (process//future @process)))))
+ ..unit))))
+
+(def: runtime//process
+ Computation
+ (_.begin (list (_.define process//incoming [(list) #.None] (_.list/* (list)))
+ @@process//loop
+ @@process//schedule)))
+
+(def: runtime
+ Computation
+ (_.begin (list @@slice
+ runtime//lux
+ runtime//bit
+ runtime//adt
+ runtime//frac
+ runtime//array
+ runtime//atom
+ runtime//box
+ runtime//io
+ runtime//process
+ )))
+
+(def: #export translate
+ (Operation Any)
+ (///.with-buffer
+ (do compiler.Monad<Operation>
+ [_ (///.save! ["" ..prefix] ..runtime)]
+ (///.save-buffer! ""))))
diff --git a/stdlib/source/lux/lang/translation/scheme/structure.jvm.lux b/stdlib/source/lux/lang/translation/scheme/structure.jvm.lux
new file mode 100644
index 000000000..a11434594
--- /dev/null
+++ b/stdlib/source/lux/lang/translation/scheme/structure.jvm.lux
@@ -0,0 +1,29 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]))
+ (//// [compiler]
+ [analysis #+ Variant Tuple]
+ [synthesis #+ Synthesis]
+ (host ["_" scheme #+ Expression]))
+ [//runtime #+ Operation Translator]
+ [//primitive])
+
+(def: #export (tuple translate elemsS+)
+ (-> Translator (Tuple Synthesis) (Operation Expression))
+ (case elemsS+
+ #.Nil
+ (//primitive.text synthesis.unit)
+
+ (#.Cons singletonS #.Nil)
+ (translate singletonS)
+
+ _
+ (do compiler.Monad<Operation>
+ [elemsT+ (monad.map @ translate elemsS+)]
+ (wrap (_.vector/* elemsT+)))))
+
+(def: #export (variant translate [lefts right? valueS])
+ (-> Translator (Variant Synthesis) (Operation Expression))
+ (do compiler.Monad<Operation>
+ [valueT (translate valueS)]
+ (wrap (//runtime.variant [lefts right? valueT]))))