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authorEduardo Julian2018-04-04 00:56:16 -0400
committerEduardo Julian2018-04-04 00:56:16 -0400
commit787fc34a8f7c66746046a8ce0c16403cf6c2bf6c (patch)
tree31c054f4a61e784875b7d66642558e9357d91493 /new-luxc/source
parentb14f95ca68887d9e6cea211b47e04e5ec00c05fa (diff)
- Initial Python back-end implementation.
Diffstat (limited to 'new-luxc/source')
-rw-r--r--new-luxc/source/luxc/lang/host.jvm.lux2
-rw-r--r--new-luxc/source/luxc/lang/host/python.lux340
-rw-r--r--new-luxc/source/luxc/lang/translation/jvm/procedure/common.jvm.lux1
-rw-r--r--new-luxc/source/luxc/lang/translation/python.lux208
-rw-r--r--new-luxc/source/luxc/lang/translation/python/case.jvm.lux265
-rw-r--r--new-luxc/source/luxc/lang/translation/python/eval.jvm.lux146
-rw-r--r--new-luxc/source/luxc/lang/translation/python/expression.jvm.lux82
-rw-r--r--new-luxc/source/luxc/lang/translation/python/function.jvm.lux99
-rw-r--r--new-luxc/source/luxc/lang/translation/python/loop.jvm.lux36
-rw-r--r--new-luxc/source/luxc/lang/translation/python/primitive.jvm.lux28
-rw-r--r--new-luxc/source/luxc/lang/translation/python/procedure.jvm.lux28
-rw-r--r--new-luxc/source/luxc/lang/translation/python/procedure/common.jvm.lux572
-rw-r--r--new-luxc/source/luxc/lang/translation/python/procedure/host.jvm.lux89
-rw-r--r--new-luxc/source/luxc/lang/translation/python/reference.jvm.lux42
-rw-r--r--new-luxc/source/luxc/lang/translation/python/runtime.jvm.lux583
-rw-r--r--new-luxc/source/luxc/lang/translation/python/statement.jvm.lux48
-rw-r--r--new-luxc/source/luxc/lang/translation/python/structure.jvm.lux31
-rw-r--r--new-luxc/source/luxc/lang/translation/ruby/primitive.jvm.lux6
18 files changed, 2601 insertions, 5 deletions
diff --git a/new-luxc/source/luxc/lang/host.jvm.lux b/new-luxc/source/luxc/lang/host.jvm.lux
index f22bf3302..58b79cfa4 100644
--- a/new-luxc/source/luxc/lang/host.jvm.lux
+++ b/new-luxc/source/luxc/lang/host.jvm.lux
@@ -183,4 +183,4 @@
(def: #export runtime-class Text "LuxRuntime")
(def: #export function-class Text "LuxFunction")
(def: #export runnable-class Text "LuxRunnable")
-(def: #export unit Text "\u0000")
+(def: #export unit Text "")
diff --git a/new-luxc/source/luxc/lang/host/python.lux b/new-luxc/source/luxc/lang/host/python.lux
new file mode 100644
index 000000000..335d418a3
--- /dev/null
+++ b/new-luxc/source/luxc/lang/host/python.lux
@@ -0,0 +1,340 @@
+(.module:
+ [lux #- not or and list if is]
+ (lux (control pipe)
+ (data [text]
+ text/format
+ [number]
+ (coll [list "list/" Functor<List> Fold<List>]))
+ (type abstract)))
+
+(abstract: #export Single {} Unit)
+(abstract: #export Poly {} Unit)
+(abstract: #export Keyword {} Unit)
+
+(abstract: #export (Var kind)
+ {}
+
+ Text
+
+ (def: name (All [k] (-> (Var k) Text)) (|>> @representation))
+
+ (def: #export var (-> Text (Var Single)) (|>> @abstraction))
+
+ (do-template [<name> <kind> <prefix>]
+ [(def: #export <name>
+ (-> (Var Single) (Var <kind>))
+ (|>> @representation (format <prefix>) @abstraction))]
+
+ [poly Poly "*"]
+ [keyword Keyword "**"]
+ )
+ )
+
+(type: #export SVar (Var Single))
+(type: #export PVar (Var Poly))
+(type: #export KVar (Var Keyword))
+
+(abstract: #export Expression
+ {}
+
+ Text
+
+ (def: #export expression (-> Expression Text) (|>> @representation))
+
+ (def: #export code (-> Text Expression) (|>> @abstraction))
+
+ (def: #export none
+ Expression
+ (@abstraction "None"))
+
+ (def: #export bool
+ (-> Bool Expression)
+ (|>> (case> true "True"
+ false "False")
+ @abstraction))
+
+ (def: #export int
+ (-> Int Expression)
+ (|>> %i @abstraction))
+
+ (def: #export float
+ (-> Frac Expression)
+ (|>> (cond> [(f/= number.positive-infinity)]
+ [(new> "float(\"inf\")")]
+
+ [(f/= number.negative-infinity)]
+ [(new> "float(\"-inf\")")]
+
+ [(f/= number.not-a-number)]
+ [(new> "float(\"nan\")")]
+
+ ## else
+ [%f])
+ @abstraction))
+
+ (def: #export string
+ (-> Text Expression)
+ (|>> %t @abstraction))
+
+ (def: (composite-literal left-delimiter right-delimiter entry-serializer)
+ (All [a] (-> Text Text (-> a Text)
+ (-> (List a) Expression)))
+ (function [entries]
+ (@abstraction (format "(" left-delimiter
+ (|> entries (list/map entry-serializer) (text.join-with ","))
+ right-delimiter ")"))))
+
+ (do-template [<name> <pre> <post>]
+ [(def: #export <name>
+ (-> (List Expression) Expression)
+ (composite-literal <pre> <post> expression))]
+
+ [tuple "(" ")"]
+ [list "[" "]"]
+ )
+
+ (def: #export (slice from to list)
+ (-> Expression Expression Expression Expression)
+ (@abstraction (format "(" (@representation list)
+ "[" (@representation from) ":" (@representation to) "]"
+ ")")))
+
+ (def: #export (slice-from from list)
+ (-> Expression Expression Expression)
+ (@abstraction (format "(" (@representation list)
+ "[" (@representation from) ":]"
+ ")")))
+
+ (def: #export dict
+ (-> (List [Expression Expression]) Expression)
+ (composite-literal "{" "}" (.function [[k v]] (format (@representation k) " : " (@representation v)))))
+
+ (def: #export (apply args func)
+ (-> (List Expression) Expression Expression)
+ (@abstraction (format "(" (@representation func)
+ "(" (text.join-with "," (list/map expression args)) ")"
+ ")")))
+
+ (do-template [<name> <kind> <prefix>]
+ [(def: (<name> var)
+ (-> Expression Text)
+ (format <prefix> (@representation var)))]
+
+ [splat-poly Poly "*"]
+ [splat-keyword Keyword "**"]
+ )
+
+ (do-template [<name> <splat>]
+ [(def: #export (<name> args extra func)
+ (-> (List Expression) Expression Expression Expression)
+ (@abstraction (format "(" (@representation func)
+ (format "(" (|> args
+ (list/map (function [arg] (format (@representation arg) ", ")))
+ (text.join-with ""))
+ (<splat> extra) ")")
+ ")")))]
+
+ [apply-poly splat-poly]
+ [apply-keyword splat-keyword]
+ )
+
+ (def: #export (field name object)
+ (-> Text Expression Expression)
+ (@abstraction (format "(" (@representation object) "." name ")")))
+
+ (def: #export (send args method object)
+ (-> (List Expression) Text Expression Expression)
+ (|> object (field method) (apply args)))
+
+ (do-template [<name> <apply>]
+ [(def: #export (<name> args extra method)
+ (-> (List Expression) Expression Text
+ (-> Expression Expression))
+ (|>> (field method) (<apply> args extra)))]
+
+ [send-poly apply-poly]
+ [send-keyword apply-keyword]
+ )
+
+ (def: #export (nth idx array)
+ (-> Expression Expression Expression)
+ (@abstraction (format "(" (@representation array) "[" (@representation idx) "])")))
+
+ (def: #export (if test then else)
+ (-> Expression Expression Expression Expression)
+ (@abstraction (format "(" (@representation then)
+ " if " (@representation test)
+ " else " (@representation else)
+ ")")))
+
+ (do-template [<name> <op>]
+ [(def: #export (<name> param subject)
+ (-> Expression Expression Expression)
+ (@abstraction (format "(" (@representation subject)
+ " " <op> " "
+ (@representation param) ")")))]
+
+ [is "is"]
+ [= "=="]
+ [< "<"]
+ [<= "<="]
+ [> ">"]
+ [>= ">="]
+ [+ "+"]
+ [- "-"]
+ [* "*"]
+ [/ "/"]
+ [% "%"]
+ [** "**"]
+ [bit-or "|"]
+ [bit-and "&"]
+ [bit-xor "^"]
+ [bit-shl "<<"]
+ [bit-shr ">>"]
+ )
+
+ (do-template [<name> <op>]
+ [(def: #export (<name> param subject)
+ (-> Expression Expression Expression)
+ (@abstraction (format "(" (@representation param)
+ " " <op> " "
+ (@representation subject) ")")))]
+
+ [or "or"]
+ [and "and"]
+ )
+
+ (def: #export (not subject)
+ (-> Expression Expression)
+ (@abstraction (format "(not " (@representation subject) ")")))
+
+ (def: #export (@@ var)
+ (All [k] (-> (Var k) Expression))
+ (@abstraction (format "(" (..name var) ")")))
+
+ (def: #export (lambda arguments body)
+ (-> (List (Ex [k] (Var k))) Expression Expression)
+ (@abstraction (format "(" "lambda " (|> arguments (list/map ..name) (text.join-with ", ")) ": "
+ (@representation body) ")")))
+
+ (def: #export global
+ (-> Text Expression)
+ (|>> var @@))
+
+ (def: #export (length sequence)
+ (-> Expression Expression)
+ (apply (.list sequence) (global "len")))
+ )
+
+(abstract: #export Statement
+ {}
+
+ Text
+
+ (def: #export statement (-> Statement Text) (|>> @representation))
+
+ (def: nest
+ (-> Statement Text)
+ (|>> @representation
+ (format "\n")
+ (text.replace-all "\n" "\n ")))
+
+ (def: #export (set-nth! idx value array)
+ (-> Expression Expression Expression Statement)
+ (@abstraction (format (expression array) "[" (expression idx) "] = " (expression value))))
+
+ (def: #export (set! vars value)
+ (-> (List (Var Single)) Expression Statement)
+ (@abstraction
+ (format (|> vars (list/map ..name) (text.join-with ", "))
+ " = "
+ (expression value))))
+
+ (def: #export (if! test then! else!)
+ (-> Expression Statement Statement Statement)
+ (@abstraction
+ (format "if " (expression test) ":"
+ (nest then!)
+ "\n" "else:"
+ (nest else!))))
+
+ (def: #export (when! test then!)
+ (-> Expression Statement Statement)
+ (@abstraction
+ (format "if " (expression test) ":"
+ (nest then!))))
+
+ (def: #export (cond! clauses else!)
+ (-> (List [Expression Statement]) Statement Statement)
+ (list/fold (.function [[test then!] next!]
+ (if! test then! next!))
+ else!
+ (list.reverse clauses)))
+
+ (def: #export (then! pre! post!)
+ (-> Statement Statement Statement)
+ (@abstraction
+ (format (@representation pre!)
+ "\n"
+ (@representation post!))))
+
+ (def: #export (while! test body!)
+ (-> Expression Statement Statement)
+ (@abstraction
+ (format "while " (expression test) ":"
+ (nest body!))))
+
+ (def: #export (for-in! var inputs body!)
+ (-> SVar Expression Statement Statement)
+ (@abstraction
+ (format "for " (..name var) " in " (expression inputs) ":"
+ (nest body!))))
+
+ (def: #export (do! expression)
+ (-> Expression Statement)
+ (@abstraction
+ (format (..expression expression) ";")))
+
+ (def: #export no-op!
+ Statement
+ (@abstraction "\n"))
+
+ (type: #export Except
+ {#classes (List Text)
+ #exception SVar
+ #handler Statement})
+
+ (def: #export (try! body! excepts)
+ (-> Statement (List Except) Statement)
+ (@abstraction
+ (format "try:"
+ (nest body!)
+ (|> excepts
+ (list/map (function [[classes exception catch!]]
+ (format "\n" "except (" (text.join-with "," classes)
+ ") as " (..name exception) ":"
+ (nest catch!))))
+ (text.join-with "")))))
+
+ (do-template [<name> <keyword>]
+ [(def: #export (<name> message)
+ (-> Expression Statement)
+ (@abstraction
+ (format <keyword> " " (expression message))))]
+
+ [raise! "raise"]
+ [return! "return"]
+ [print! "print"]
+ )
+
+ (def: #export (def! name args body)
+ (-> (Var Single) (List (Ex [k] (Var k))) Statement Statement)
+ (@abstraction
+ (format "def " (..name name)
+ "(" (|> args (list/map ..name) (text.join-with ",")) "):"
+ (nest body))))
+
+ (def: #export (import! module-name)
+ (-> Text Statement)
+ (@abstraction (format "import " module-name)))
+ )
diff --git a/new-luxc/source/luxc/lang/translation/jvm/procedure/common.jvm.lux b/new-luxc/source/luxc/lang/translation/jvm/procedure/common.jvm.lux
index 422d9da1d..abd2d49c8 100644
--- a/new-luxc/source/luxc/lang/translation/jvm/procedure/common.jvm.lux
+++ b/new-luxc/source/luxc/lang/translation/jvm/procedure/common.jvm.lux
@@ -381,7 +381,6 @@
[text//size "java.lang.String" "length" lux-intI $t.int]
[text//hash "java.lang.Object" "hashCode" lux-intI $t.int]
- [text//trim "java.lang.String" "trim" id $String]
[text//upper "java.lang.String" "toUpperCase" id $String]
[text//lower "java.lang.String" "toLowerCase" id $String]
)
diff --git a/new-luxc/source/luxc/lang/translation/python.lux b/new-luxc/source/luxc/lang/translation/python.lux
new file mode 100644
index 000000000..7304ea560
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python.lux
@@ -0,0 +1,208 @@
+(.module:
+ lux
+ (lux (control ["ex" exception #+ exception:]
+ pipe
+ [monad #+ do])
+ (data [bit]
+ [maybe]
+ ["e" error #+ Error]
+ [text "text/" Eq<Text>]
+ text/format
+ (coll [array]))
+ [macro]
+ [io #+ IO Process io]
+ [host #+ class: interface: object]
+ (world [file #+ File]))
+ (luxc [lang]
+ (lang [".L" variable #+ Register]
+ (host [python #+ Expression Statement]))
+ [".C" io]))
+
+(host.import java/lang/Object)
+
+(host.import java/lang/String
+ (getBytes [String] #try (Array byte)))
+
+(host.import java/lang/CharSequence)
+
+(host.import java/lang/Appendable
+ (append [CharSequence] Appendable))
+
+(host.import java/lang/StringBuilder
+ (new [])
+ (toString [] String))
+
+(host.import org/python/core/PyObject)
+
+(host.import org/python/util/PythonInterpreter
+ (new [])
+ (exec [String] void)
+ (eval [String] PyObject))
+
+(type: #export Anchor [Text Register])
+
+(type: #export Host
+ {#context [Text Nat]
+ #anchor (Maybe Anchor)
+ #loader (-> Statement (Error Unit))
+ #interpreter (-> Expression (Error PyObject))
+ #module-buffer (Maybe StringBuilder)
+ #program-buffer StringBuilder})
+
+(def: #export init
+ (IO Host)
+ (io (let [interpreter (PythonInterpreter::new [])]
+ {#context ["" +0]
+ #anchor #.None
+ #loader (function [code]
+ ("lux try" (io (PythonInterpreter::exec [(python.statement code)] interpreter))))
+ #interpreter (function [code]
+ ("lux try" (io (PythonInterpreter::eval [(python.expression code)] interpreter))))
+ #module-buffer #.None
+ #program-buffer (StringBuilder::new [])})))
+
+(def: #export python-module-name Text "module.py")
+
+(def: #export init-module-buffer
+ (Meta Unit)
+ (function [compiler]
+ (#e.Success [(update@ #.host
+ (|>> (:! Host)
+ (set@ #module-buffer (#.Some (StringBuilder::new [])))
+ (:! Void))
+ compiler)
+ []])))
+
+(exception: #export No-Active-Module-Buffer)
+(exception: #export Cannot-Execute)
+
+(def: #export (with-sub-context expr)
+ (All [a] (-> (Meta a) (Meta [Text a])))
+ (function [compiler]
+ (let [old (:! Host (get@ #.host compiler))
+ [old-name old-sub] (get@ #context old)
+ new-name (format old-name "___" (%i (nat-to-int old-sub)))]
+ (case (expr (set@ #.host
+ (:! Void (set@ #context [new-name +0] old))
+ compiler))
+ (#e.Success [compiler' output])
+ (#e.Success [(update@ #.host
+ (|>> (:! Host)
+ (set@ #context [old-name (n/inc old-sub)])
+ (:! Void))
+ compiler')
+ [new-name output]])
+
+ (#e.Error error)
+ (#e.Error error)))))
+
+(def: #export context
+ (Meta Text)
+ (function [compiler]
+ (#e.Success [compiler
+ (|> (get@ #.host compiler)
+ (:! Host)
+ (get@ #context)
+ (let> [name sub]
+ name))])))
+
+(def: #export (with-anchor anchor expr)
+ (All [a] (-> Anchor (Meta a) (Meta a)))
+ (function [compiler]
+ (let [old (:! Host (get@ #.host compiler))]
+ (case (expr (set@ #.host
+ (:! Void (set@ #anchor (#.Some anchor) old))
+ compiler))
+ (#e.Success [compiler' output])
+ (#e.Success [(update@ #.host
+ (|>> (:! Host)
+ (set@ #anchor (get@ #anchor old))
+ (:! Void))
+ compiler')
+ output])
+
+ (#e.Error error)
+ (#e.Error error)))))
+
+(exception: #export No-Anchor)
+
+(def: #export anchor
+ (Meta Anchor)
+ (function [compiler]
+ (case (|> compiler (get@ #.host) (:! Host) (get@ #anchor))
+ (#.Some anchor)
+ (#e.Success [compiler anchor])
+
+ #.None
+ ((lang.throw No-Anchor "") compiler))))
+
+(def: #export module-buffer
+ (Meta StringBuilder)
+ (function [compiler]
+ (case (|> compiler (get@ #.host) (:! Host) (get@ #module-buffer))
+ #.None
+ ((lang.fail (No-Active-Module-Buffer "")) compiler)
+
+ (#.Some module-buffer)
+ (#e.Success [compiler module-buffer]))))
+
+(def: #export program-buffer
+ (Meta StringBuilder)
+ (function [compiler]
+ (#e.Success [compiler (|> compiler (get@ #.host) (:! Host) (get@ #program-buffer))])))
+
+(do-template [<name> <field> <inputT> <outputT>]
+ [(def: (<name> code)
+ (-> <inputT> (Meta <outputT>))
+ (function [compiler]
+ (let [runner (|> compiler (get@ #.host) (:! Host) (get@ <field>))]
+ (case (runner code)
+ (#e.Error error)
+ ((lang.fail (Cannot-Execute error)) compiler)
+
+ (#e.Success output)
+ (#e.Success [compiler output])))))]
+
+ [load! #loader Statement Unit]
+ [interpret #interpreter Expression PyObject]
+ )
+
+(exception: #export Unknown-Member)
+
+(def: #export variant-tag-field "_lux_tag")
+(def: #export variant-flag-field "_lux_flag")
+(def: #export variant-value-field "_lux_value")
+
+(def: #export unit Text "")
+
+(def: #export (definition-name [module name])
+ (-> Ident Text)
+ (lang.normalize-name (format module "$" name)))
+
+(do-template [<name> <eval> <un-wrap> <inputT> <outputT>]
+ [(def: #export (<name> code)
+ (-> <inputT> (Meta <outputT>))
+ (do macro.Monad<Meta>
+ [module-buffer module-buffer
+ #let [_ (Appendable::append [(:! CharSequence (<un-wrap> code))]
+ module-buffer)]]
+ (<eval> code)))]
+
+ [save load! python.statement Statement Unit]
+ [run interpret python.expression Expression PyObject]
+ )
+
+(def: #export (save-module! target)
+ (-> File (Meta (Process Unit)))
+ (do macro.Monad<Meta>
+ [module macro.current-module-name
+ module-buffer module-buffer
+ program-buffer program-buffer
+ #let [module-code (StringBuilder::toString [] module-buffer)
+ _ (Appendable::append [(:! CharSequence (format module-code "\n"))]
+ program-buffer)]]
+ (wrap (ioC.write target
+ (format (lang.normalize-name module) "/" python-module-name)
+ (|> module-code
+ (String::getBytes ["UTF-8"])
+ e.assume)))))
diff --git a/new-luxc/source/luxc/lang/translation/python/case.jvm.lux b/new-luxc/source/luxc/lang/translation/python/case.jvm.lux
new file mode 100644
index 000000000..2218c1994
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/case.jvm.lux
@@ -0,0 +1,265 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data [number]
+ [text]
+ text/format
+ (coll [list "list/" Functor<List> Fold<List>]
+ [set #+ Set]))
+ [macro #+ "meta/" Monad<Meta>]
+ (macro [code]))
+ (luxc [lang]
+ (lang [".L" variable #+ Register Variable]
+ ["ls" synthesis #+ Synthesis Path]
+ (host [python #+ Expression Statement Except SVar @@])))
+ [//]
+ (// [".T" runtime]
+ [".T" primitive]
+ [".T" reference]))
+
+(def: #export (translate-let translate register valueS bodyS)
+ (-> (-> Synthesis (Meta Expression)) Register Synthesis Synthesis
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueO (translate valueS)
+ bodyO (translate bodyS)
+ #let [$register (referenceT.variable register)]]
+ (wrap (|> bodyO
+ (python.lambda (list $register))
+ (python.apply (list valueO))))))
+
+(def: #export (translate-record-get translate valueS pathP)
+ (-> (-> Synthesis (Meta Expression)) Synthesis (List [Nat Bool])
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueO (translate valueS)]
+ (wrap (list/fold (function [[idx tail?] source]
+ (let [method (if tail?
+ runtimeT.product//right
+ runtimeT.product//left)]
+ (method source (python.int (:! Int idx)))))
+ valueO
+ pathP))))
+
+(def: #export (translate-if testO thenO elseO)
+ (-> Expression Expression Expression Expression)
+ (python.if testO thenO elseO))
+
+(def: $savepoint (python.var "pm_cursor_savepoint"))
+(def: $cursor (python.var "pm_cursor"))
+
+(def: (push-cursor! value)
+ (-> Expression Statement)
+ (python.do!
+ (python.send (list value)
+ "append" (@@ $cursor))))
+
+(def: save-cursor!
+ Statement
+ (python.do!
+ (python.send (list (python.slice-from (python.int 0) (@@ $cursor)))
+ "append" (@@ $savepoint))))
+
+(def: restore-cursor!
+ Statement
+ (python.set! (list $cursor)
+ (python.send (list) "pop" (@@ $savepoint))))
+
+(def: cursor-top
+ Expression
+ (python.nth (python.int -1) (@@ $cursor)))
+
+(def: pop-cursor!
+ Statement
+ (python.do!
+ (python.send (list) "pop" (@@ $cursor))))
+
+(def: pm-error (python.string "PM-ERROR"))
+
+(def: (new-Exception error)
+ (-> Expression Expression)
+ (python.apply (list pm-error) (python.global "Exception")))
+
+(def: fail-pm! (python.raise! (new-Exception pm-error)))
+
+(def: $temp (python.var "temp"))
+
+(exception: #export Unrecognized-Path)
+
+(def: $alt_error (python.var "alt_error"))
+
+(def: (pm-catch! handler!)
+ (-> Statement Except)
+ [(list "Exception") $alt_error
+ (python.if! (python.= pm-error (python.apply (list (@@ $alt_error)) (python.global "str")))
+ handler!
+ (python.raise! (@@ $alt_error)))])
+
+(def: (translate-pattern-matching' translate pathP)
+ (-> (-> Synthesis (Meta Expression)) Path (Meta Statement))
+ (case pathP
+ (^code ("lux case exec" (~ bodyS)))
+ (do macro.Monad<Meta>
+ [bodyO (translate bodyS)]
+ (wrap (python.return! bodyO)))
+
+ (^code ("lux case pop"))
+ (meta/wrap pop-cursor!)
+
+ (^code ("lux case bind" (~ [_ (#.Nat register)])))
+ (meta/wrap (python.set! (list (referenceT.variable register)) cursor-top))
+
+ (^template [<tag> <format>]
+ [_ (<tag> value)]
+ (meta/wrap (python.when! (python.not (python.= (|> value <format>) cursor-top))
+ fail-pm!)))
+ ([#.Nat (<| python.int (:! Int))]
+ [#.Int python.int]
+ [#.Deg (<| python.int (:! Int))]
+ [#.Bool python.bool]
+ [#.Frac python.float]
+ [#.Text python.string])
+
+ (^template [<pm> <getter>]
+ (^code (<pm> (~ [_ (#.Nat idx)])))
+ (meta/wrap (push-cursor! (<getter> cursor-top (python.int (:! Int idx))))))
+ (["lux case tuple left" runtimeT.product//left]
+ ["lux case tuple right" runtimeT.product//right])
+
+ (^template [<pm> <flag>]
+ (^code (<pm> (~ [_ (#.Nat idx)])))
+ (meta/wrap ($_ python.then!
+ (python.set! (list $temp) (runtimeT.sum//get cursor-top (python.int (:! Int idx)) <flag>))
+ (python.if! (python.not (python.= python.none (@@ $temp)))
+ (push-cursor! (@@ $temp))
+ fail-pm!))))
+ (["lux case variant left" python.none]
+ ["lux case variant right" (python.string "")])
+
+ (^code ("lux case seq" (~ leftP) (~ rightP)))
+ (do macro.Monad<Meta>
+ [leftO (translate-pattern-matching' translate leftP)
+ rightO (translate-pattern-matching' translate rightP)]
+ (wrap ($_ python.then!
+ leftO
+ rightO)))
+
+ (^code ("lux case alt" (~ leftP) (~ rightP)))
+ (do macro.Monad<Meta>
+ [leftO (translate-pattern-matching' translate leftP)
+ rightO (translate-pattern-matching' translate rightP)]
+ (wrap (python.try! ($_ python.then!
+ save-cursor!
+ leftO)
+ (list (pm-catch!
+ ($_ python.then!
+ restore-cursor!
+ rightO))))))
+
+ _
+ (lang.throw Unrecognized-Path (%code pathP))
+ ))
+
+(def: (translate-pattern-matching translate pathP)
+ (-> (-> Synthesis (Meta Expression)) Path (Meta Statement))
+ (do macro.Monad<Meta>
+ [pattern-matching (translate-pattern-matching' translate pathP)]
+ (wrap (python.try! pattern-matching
+ (list (pm-catch!
+ (python.raise! (new-Exception (python.string "Invalid expression for pattern-matching.")))))))))
+
+(def: (initialize-pattern-matching! stack-init)
+ (-> Expression Statement)
+ ($_ python.then!
+ (python.set! (list $cursor) (python.list (list stack-init)))
+ (python.set! (list $savepoint) (python.list (list)))))
+
+(def: empty (Set Variable) (set.new number.Hash<Int>))
+
+(type: Storage
+ {#bindings (Set Variable)
+ #dependencies (Set Variable)})
+
+(def: (path-variables pathP)
+ (-> Path Storage)
+ (loop [pathP pathP
+ outer-variables {#bindings empty
+ #dependencies empty}]
+ ## TODO: Remove (let [outer recur]) once loops can have names.
+ (let [outer recur]
+ (case pathP
+ (^code ("lux case bind" (~ [_ (#.Nat register)])))
+ (update@ #bindings (set.add (nat-to-int register))
+ outer-variables)
+
+ (^or (^code ("lux case seq" (~ leftP) (~ rightP)))
+ (^code ("lux case alt" (~ leftP) (~ rightP))))
+ (list/fold outer outer-variables (list leftP rightP))
+
+ (^code ("lux case exec" (~ bodyS)))
+ (loop [bodyS bodyS
+ inner-variables outer-variables]
+ ## TODO: Remove (let [inner recur]) once loops can have names.
+ (let [inner recur]
+ (case bodyS
+ (^code ((~ [_ (#.Nat tag)]) (~ [_ (#.Bool last?)]) (~ valueS)))
+ (inner valueS inner-variables)
+
+ (^code [(~+ members)])
+ (list/fold inner inner-variables members)
+
+ (^ [_ (#.Form (list [_ (#.Int var)]))])
+ (if (set.member? (get@ #bindings inner-variables) var)
+ inner-variables
+ (update@ #dependencies (set.add var) inner-variables))
+
+ (^code ("lux call" (~ functionS) (~+ argsS)))
+ (list/fold inner inner-variables (#.Cons functionS argsS))
+
+ (^code ("lux function" (~ [_ (#.Nat arity)]) [(~+ environment)] (~ bodyS)))
+ (|> environment
+ (list/map (|>> (list) code.form))
+ (list/fold inner inner-variables))
+
+ (^code ("lux let" (~ [_ (#.Nat register)]) (~ inputS) (~ exprS)))
+ (list/fold inner (update@ #bindings (set.add (nat-to-int register))
+ inner-variables)
+ (list inputS exprS))
+
+ (^code ("lux case" (~ inputS) (~ pathPS)))
+ (|> inner-variables (inner inputS) (outer pathPS))
+
+ (^code ((~ [_ (#.Text procedure)]) (~+ argsS)))
+ (list/fold inner inner-variables argsS)
+
+ _
+ inner-variables)))
+
+ _
+ outer-variables))))
+
+(def: generated-name
+ (-> Text (Meta SVar))
+ (|>> macro.gensym
+ (:: macro.Monad<Meta> map (|>> %code
+ lang.normalize-name
+ python.var))))
+
+(def: #export (translate-case translate valueS pathP)
+ (-> (-> Synthesis (Meta Expression)) Synthesis Path (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueO (translate valueS)
+ $case (generated-name "case")
+ $value (generated-name "value")
+ #let [$dependencies+ (|> (path-variables pathP)
+ (get@ #dependencies)
+ set.to-list
+ (list/map referenceT.local))
+ @dependencies+ (list/map @@ $dependencies+)]
+ pattern-matching! (translate-pattern-matching translate pathP)
+ _ (//.save (python.def! $case (list& $value $dependencies+)
+ ($_ python.then!
+ (initialize-pattern-matching! (@@ $value))
+ pattern-matching!)))]
+ (wrap (python.apply (list& valueO @dependencies+) (@@ $case)))))
diff --git a/new-luxc/source/luxc/lang/translation/python/eval.jvm.lux b/new-luxc/source/luxc/lang/translation/python/eval.jvm.lux
new file mode 100644
index 000000000..bc6e1a342
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/eval.jvm.lux
@@ -0,0 +1,146 @@
+(.module:
+ lux
+ (lux (control ["ex" exception #+ exception:])
+ (data [bit]
+ [maybe]
+ ["e" error #+ Error]
+ text/format
+ (coll [array]))
+ [host])
+ (luxc [lang]
+ (lang (host [python #+ Expression Statement])))
+ [//])
+
+(host.import java/lang/Object
+ (toString [] String)
+ (getClass [] (Class Object)))
+
+(host.import java/lang/Long
+ (intValue [] Integer))
+
+(host.import org/python/core/PyType
+ (getName [] String))
+
+(host.import org/python/core/PyString
+ (new [String]))
+
+(host.import org/python/core/PyObject
+ (asLong [] long)
+ (asDouble [] double)
+ (asString [] String)
+ (__nonzero__ [] boolean)
+ (__getitem__ [int] #try PyObject)
+ (__getitem__ #as __getitem__dict [PyObject] #try PyObject)
+ (__len__ [] int)
+ (getType [] PyType))
+
+(def: (tuple lux-object host-object)
+ (-> (-> PyObject (Error Top)) PyObject (Error Top))
+ (let [size (:! Nat (PyObject::__len__ [] host-object))]
+ (loop [idx +0
+ output (:! (Array Top) (array.new size))]
+ (if (n/< size idx)
+ (case (PyObject::__getitem__ [(:! Int idx)] host-object)
+ (#e.Error error)
+ (#e.Error error)
+
+ (#e.Success value)
+ (case (lux-object value)
+ (#e.Error error)
+ (#e.Error error)
+
+ (#e.Success lux-value)
+ (recur (n/inc idx) (array.write idx lux-value output))))
+ (#e.Success output)))))
+
+(def: python-type
+ (-> PyObject Text)
+ (|>> (PyObject::getType []) (PyType::getName []) (:! Text)))
+
+(exception: #export Not-A-Variant)
+
+(def: tag-field (PyString::new [//.variant-tag-field]))
+(def: flag-field (PyString::new [//.variant-flag-field]))
+(def: value-field (PyString::new [//.variant-value-field]))
+
+(def: (variant lux-object host-object)
+ (-> (-> PyObject (Error Top)) PyObject (Error Top))
+ (case [(PyObject::__getitem__dict [tag-field] host-object)
+ (PyObject::__getitem__dict [flag-field] host-object)
+ (PyObject::__getitem__dict [value-field] host-object)]
+ (^or [(#e.Error error) _ _] [_ (#e.Error error) _] [_ _ (#e.Error error)])
+ (#e.Error error)
+
+ (^multi [(#e.Success tag) (#e.Success flag) (#e.Success value)]
+ [(lux-object tag)
+ (#e.Success tag)]
+ [(lux-object value)
+ (#e.Success value)])
+ (#e.Success [(Long::intValue [] (:! Long tag))
+ (: Top
+ (case (python-type (:! PyObject flag))
+ "NoneType"
+ (host.null)
+
+ _
+ ""))
+ value])
+
+ _
+ (ex.throw Not-A-Variant (Object::toString [] host-object))))
+
+(exception: #export Unknown-Kind-Of-Host-Object)
+(exception: #export Null-Has-No-Lux-Representation)
+
+(def: (lux-object host-object)
+ (-> PyObject (Error Top))
+ (case (python-type host-object)
+ "str"
+ (#e.Success (PyObject::asString [] host-object))
+
+ "bool"
+ (#e.Success (PyObject::__nonzero__ [] host-object))
+
+ "float"
+ (#e.Success (PyObject::asDouble [] host-object))
+
+ (^or "int" "long")
+ (#e.Success (PyObject::asLong [] host-object))
+
+ "tuple"
+ (tuple lux-object host-object)
+
+ "dict"
+ (variant lux-object host-object)
+
+ "NoneType"
+ (#e.Success [])
+
+ type
+ (ex.throw Unknown-Kind-Of-Host-Object (format type " " (Object::toString [] host-object)))))
+
+(exception: #export Cannot-Evaluate)
+
+(def: #export (eval code)
+ (-> Expression (Meta Top))
+ (function [compiler]
+ (let [interpreter (|> compiler (get@ #.host) (:! //.Host) (get@ #//.interpreter))]
+ (case (interpreter code)
+ (#e.Error error)
+ (exec (log! (format "eval #e.Error\n"
+ "<< " (python.expression code) "\n"
+ error))
+ ((lang.throw Cannot-Evaluate error) compiler))
+
+ (#e.Success output)
+ (case (lux-object output)
+ (#e.Success parsed-output)
+ (exec ## (log! (format "eval #e.Success\n"
+ ## "<< " (python.expression code)))
+ (#e.Success [compiler parsed-output]))
+
+ (#e.Error error)
+ (exec (log! (format "eval #e.Error\n"
+ "<< " (python.expression code) "\n"
+ error))
+ ((lang.throw Cannot-Evaluate error) compiler)))))))
diff --git a/new-luxc/source/luxc/lang/translation/python/expression.jvm.lux b/new-luxc/source/luxc/lang/translation/python/expression.jvm.lux
new file mode 100644
index 000000000..6a7497c22
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/expression.jvm.lux
@@ -0,0 +1,82 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:]
+ ["p" parser])
+ (data ["e" error]
+ text/format)
+ [macro]
+ (macro ["s" syntax]))
+ (luxc ["&" lang]
+ (lang [".L" variable #+ Variable Register]
+ [".L" extension]
+ ["ls" synthesis]
+ (host [python #+ Expression Statement])))
+ [//]
+ (// [".T" runtime]
+ [".T" primitive]
+ [".T" structure]
+ [".T" function]
+ [".T" reference]
+ [".T" case]
+ [".T" procedure]))
+
+(exception: #export Invalid-Function-Syntax)
+(exception: #export Unrecognized-Synthesis)
+
+(def: #export (translate synthesis)
+ (-> ls.Synthesis (Meta Expression))
+ (case synthesis
+ (^code [])
+ (:: macro.Monad<Meta> wrap runtimeT.unit)
+
+ (^code [(~ singleton)])
+ (translate singleton)
+
+ (^template [<tag> <generator>]
+ [_ (<tag> value)]
+ (<generator> value))
+ ([#.Bool primitiveT.translate-bool]
+ [#.Nat primitiveT.translate-nat]
+ [#.Int primitiveT.translate-int]
+ [#.Deg primitiveT.translate-deg]
+ [#.Frac primitiveT.translate-frac]
+ [#.Text primitiveT.translate-text])
+
+ (^code ((~ [_ (#.Nat tag)]) (~ [_ (#.Bool last?)]) (~ valueS)))
+ (structureT.translate-variant translate tag last? valueS)
+
+ (^code [(~+ members)])
+ (structureT.translate-tuple translate members)
+
+ (^ [_ (#.Form (list [_ (#.Int var)]))])
+ (referenceT.translate-variable var)
+
+ [_ (#.Symbol definition)]
+ (referenceT.translate-definition definition)
+
+ (^code ("lux let" (~ [_ (#.Nat register)]) (~ inputS) (~ exprS)))
+ (caseT.translate-let translate register inputS exprS)
+
+ (^code ("lux case" (~ inputS) (~ pathPS)))
+ (caseT.translate-case translate inputS pathPS)
+
+ (^code ("lux function" (~ [_ (#.Nat arity)]) [(~+ environment)] (~ bodyS)))
+ (case (s.run environment (p.some s.int))
+ (#e.Success environment)
+ (functionT.translate-function translate environment arity bodyS)
+
+ _
+ (&.throw Invalid-Function-Syntax (%code synthesis)))
+
+ (^code ("lux call" (~ functionS) (~+ argsS)))
+ (functionT.translate-apply translate functionS argsS)
+
+ (^code ((~ [_ (#.Text procedure)]) (~+ argsS)))
+ (procedureT.translate-procedure translate procedure argsS)
+ ## (do macro.Monad<Meta>
+ ## [translation (extensionL.find-translation procedure)]
+ ## (translation argsS))
+
+ _
+ (&.throw Unrecognized-Synthesis (%code synthesis))))
diff --git a/new-luxc/source/luxc/lang/translation/python/function.jvm.lux b/new-luxc/source/luxc/lang/translation/python/function.jvm.lux
new file mode 100644
index 000000000..97b936fc4
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/function.jvm.lux
@@ -0,0 +1,99 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ pipe)
+ (data [product]
+ [text]
+ text/format
+ (coll [list "list/" Functor<List> Fold<List>]))
+ [macro])
+ (luxc ["&" lang]
+ (lang ["ls" synthesis]
+ [".L" variable #+ Variable]
+ (host [python #+ Expression Statement @@])))
+ [//]
+ (// [".T" reference]))
+
+(def: #export (translate-apply translate functionS argsS+)
+ (-> (-> ls.Synthesis (Meta Expression)) ls.Synthesis (List ls.Synthesis) (Meta Expression))
+ (do macro.Monad<Meta>
+ [functionO (translate functionS)
+ argsO+ (monad.map @ translate argsS+)]
+ (wrap (python.apply argsO+ functionO))))
+
+(def: $curried (python.var "curried"))
+
+(def: (input-declaration register)
+ (python.set! (list (referenceT.variable (n/inc register)))
+ (python.nth (|> register nat-to-int python.int)
+ (@@ $curried))))
+
+(def: (with-closure function-name inits function-definition)
+ (-> Text (List Expression) Statement (Meta Expression))
+ (let [$closure (python.var (format function-name "___CLOSURE"))]
+ (case inits
+ #.Nil
+ (do macro.Monad<Meta>
+ [_ (//.save function-definition)]
+ (wrap (python.global function-name)))
+
+ _
+ (do macro.Monad<Meta>
+ [_ (//.save (python.def! $closure
+ (|> (list.enumerate inits)
+ (list/map (|>> product.left referenceT.closure)))
+ ($_ python.then!
+ function-definition
+ (python.return! (python.global function-name)))))]
+ (wrap (python.apply inits (@@ $closure)))))))
+
+(def: #export (translate-function translate env arity bodyS)
+ (-> (-> ls.Synthesis (Meta Expression))
+ (List Variable) ls.Arity ls.Synthesis
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [[function-name bodyO] (//.with-sub-context
+ (do @
+ [function-name //.context]
+ (//.with-anchor [function-name +1]
+ (translate bodyS))))
+ closureO+ (monad.map @ referenceT.translate-variable env)
+ #let [args-initsO+ (|> (list.n/range +0 (n/dec arity))
+ (list/map input-declaration)
+ (case> #.Nil
+ python.no-op!
+
+ (#.Cons head tail)
+ (list/fold python.then! head tail)))
+ arityO (|> arity nat-to-int python.int)
+ @curried (@@ $curried)
+ $num_args (python.var "num_args")
+ @num_args (@@ $num_args)
+ $function (python.var function-name)
+ @function (@@ $function)]]
+ (with-closure function-name closureO+
+ (python.def! $function (list (python.poly $curried))
+ ($_ python.then!
+ (let [@len (python.global "len")]
+ (python.set! (list $num_args) (python.apply (list @curried) @len)))
+ (python.if! (python.= arityO @num_args)
+ ($_ python.then!
+ (python.set! (list (referenceT.variable +0)) @function)
+ args-initsO+
+ (python.while! (python.bool true)
+ (python.return! bodyO)))
+ (python.if! (python.> arityO @num_args)
+ (let [arity-args (python.slice (python.int 0) arityO @curried)
+ output-func-args (python.slice arityO @num_args @curried)]
+ (python.return! (|> @function
+ (python.apply-poly (list) arity-args)
+ (python.apply-poly (list) output-func-args))))
+ (let [$next (python.var "next")
+ $missing (python.var "missing")]
+ ($_ python.then!
+ (python.def! $next (list (python.poly $missing))
+ (python.return! (|> @function
+ (python.apply-poly (list) (|> @curried
+ (python.+ (@@ $missing)))))))
+ (python.return! (@@ $next)))))))))
+ ))
diff --git a/new-luxc/source/luxc/lang/translation/python/loop.jvm.lux b/new-luxc/source/luxc/lang/translation/python/loop.jvm.lux
new file mode 100644
index 000000000..e490033bf
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/loop.jvm.lux
@@ -0,0 +1,36 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ (data [text]
+ text/format
+ (coll [list "list/" Functor<List>]))
+ [macro])
+ (luxc [lang]
+ (lang ["ls" synthesis]
+ (host [python #+ Expression Statement @@])))
+ [//]
+ (// [".T" reference]))
+
+(def: #export (translate-loop translate offset initsS+ bodyS)
+ (-> (-> ls.Synthesis (Meta Expression)) Nat (List ls.Synthesis) ls.Synthesis
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [loop-name (|> (macro.gensym "loop")
+ (:: @ map (|>> %code lang.normalize-name)))
+ initsO+ (monad.map @ translate initsS+)
+ bodyO (//.with-anchor [loop-name offset]
+ (translate bodyS))
+ #let [$loop-name (python.var loop-name)
+ @loop-name (@@ $loop-name)]
+ _ (//.save (python.def! $loop-name (|> (list.n/range +0 (n/dec (list.size initsS+)))
+ (list/map (|>> (n/+ offset) referenceT.variable)))
+ (python.return! bodyO)))]
+ (wrap (python.apply initsO+ @loop-name))))
+
+(def: #export (translate-recur translate argsS+)
+ (-> (-> ls.Synthesis (Meta Expression)) (List ls.Synthesis)
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [[loop-name offset] //.anchor
+ argsO+ (monad.map @ translate argsS+)]
+ (wrap (python.apply argsO+ (python.global loop-name)))))
diff --git a/new-luxc/source/luxc/lang/translation/python/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/python/primitive.jvm.lux
new file mode 100644
index 000000000..7b2ba1786
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/primitive.jvm.lux
@@ -0,0 +1,28 @@
+(.module:
+ lux
+ (lux [macro "meta/" Monad<Meta>])
+ (luxc (lang (host [python #+ Expression Statement]))))
+
+(def: #export translate-bool
+ (-> Bool (Meta Expression))
+ (|>> python.bool meta/wrap))
+
+(def: #export translate-int
+ (-> Int (Meta Expression))
+ (|>> python.int meta/wrap))
+
+(def: #export translate-nat
+ (-> Nat (Meta Expression))
+ (|>> (:! Int) python.int meta/wrap))
+
+(def: #export translate-deg
+ (-> Deg (Meta Expression))
+ (|>> (:! Int) python.int meta/wrap))
+
+(def: #export translate-frac
+ (-> Frac (Meta Expression))
+ (|>> python.float meta/wrap))
+
+(def: #export translate-text
+ (-> Text (Meta Expression))
+ (|>> python.string meta/wrap))
diff --git a/new-luxc/source/luxc/lang/translation/python/procedure.jvm.lux b/new-luxc/source/luxc/lang/translation/python/procedure.jvm.lux
new file mode 100644
index 000000000..a46778503
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/procedure.jvm.lux
@@ -0,0 +1,28 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data [maybe]
+ text/format
+ (coll [dict])))
+ (luxc ["&" lang]
+ (lang ["ls" synthesis]
+ (host [python #+ Expression Statement])))
+ [//]
+ (/ ["/." common]
+ ["/." host]))
+
+(exception: #export Unknown-Procedure)
+
+(def: procedures
+ /common.Bundle
+ (|> /common.procedures
+ (dict.merge /host.procedures)))
+
+(def: #export (translate-procedure translate name args)
+ (-> (-> ls.Synthesis (Meta Expression)) Text (List ls.Synthesis)
+ (Meta Expression))
+ (<| (maybe.default (&.throw Unknown-Procedure (%t name)))
+ (do maybe.Monad<Maybe>
+ [proc (dict.get name procedures)]
+ (wrap (proc translate args)))))
diff --git a/new-luxc/source/luxc/lang/translation/python/procedure/common.jvm.lux b/new-luxc/source/luxc/lang/translation/python/procedure/common.jvm.lux
new file mode 100644
index 000000000..6205d22a7
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/procedure/common.jvm.lux
@@ -0,0 +1,572 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:]
+ ["p" parser])
+ (data ["e" error]
+ [text]
+ text/format
+ [number]
+ (coll [list "list/" Functor<List>]
+ [dict #+ Dict]))
+ [macro #+ with-gensyms]
+ (macro [code]
+ ["s" syntax #+ syntax:])
+ [host])
+ (luxc ["&" lang]
+ (lang ["la" analysis]
+ ["ls" synthesis]
+ (host [python #+ Expression Statement])))
+ [///]
+ (/// [".T" runtime]
+ [".T" case]
+ [".T" function]
+ [".T" loop]))
+
+## [Types]
+(type: #export Translator
+ (-> ls.Synthesis (Meta Expression)))
+
+(type: #export Proc
+ (-> Translator (List ls.Synthesis) (Meta Expression)))
+
+(type: #export Bundle
+ (Dict Text Proc))
+
+(syntax: (Vector [size s.nat] elemT)
+ (wrap (list (` [(~+ (list.repeat size elemT))]))))
+
+(type: #export Nullary (-> (Vector +0 Expression) Expression))
+(type: #export Unary (-> (Vector +1 Expression) Expression))
+(type: #export Binary (-> (Vector +2 Expression) Expression))
+(type: #export Trinary (-> (Vector +3 Expression) Expression))
+(type: #export Variadic (-> (List Expression) Expression))
+
+## [Utils]
+(def: #export (install name unnamed)
+ (-> Text (-> Text Proc)
+ (-> 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>)))
+
+(def: (wrong-arity proc expected actual)
+ (-> Text Nat Nat Text)
+ (format "Wrong number of arguments for " (%t proc) "\n"
+ "Expected: " (|> expected nat-to-int %i) "\n"
+ " Actual: " (|> actual nat-to-int %i)))
+
+(syntax: (arity: [name s.local-symbol] [arity s.nat])
+ (with-gensyms [g!proc 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!proc))
+ (-> (-> (..Vector (~ (code.nat arity)) Expression) Expression)
+ (-> Text ..Proc))
+ (function [(~ g!name)]
+ (function [(~ g!translate) (~ g!inputs)]
+ (case (~ g!inputs)
+ (^ (list (~+ g!input+)))
+ (do macro.Monad<Meta>
+ [(~+ (|> g!input+
+ (list/map (function [g!input]
+ (list g!input (` ((~ g!translate) (~ g!input))))))
+ list.concat))]
+ ((~' wrap) ((~ g!proc) [(~+ g!input+)])))
+
+ (~' _)
+ (macro.fail (wrong-arity (~ g!name) +1 (list.size (~ g!inputs))))))))))))))
+
+(arity: nullary +0)
+(arity: unary +1)
+(arity: binary +2)
+(arity: trinary +3)
+
+(def: #export (variadic proc)
+ (-> Variadic (-> Text Proc))
+ (function [proc-name]
+ (function [translate inputsS]
+ (do macro.Monad<Meta>
+ [inputsI (monad.map @ translate inputsS)]
+ (wrap (proc inputsI))))))
+
+## [Procedures]
+## [[Lux]]
+(def: (lux//is [leftO rightO])
+ Binary
+ (python.is leftO rightO))
+
+(def: (lux//if [testO thenO elseO])
+ Trinary
+ (caseT.translate-if testO thenO elseO))
+
+(def: (lux//try riskyO)
+ Unary
+ (runtimeT.lux//try riskyO))
+
+(def: (lux//noop valueO)
+ Unary
+ valueO)
+
+(exception: #export Wrong-Syntax)
+(def: #export (wrong-syntax procedure args)
+ (-> Text (List ls.Synthesis) Text)
+ (format "Procedure: " procedure "\n"
+ "Arguments: " (%code (code.tuple args))))
+
+(def: lux//loop
+ (-> Text Proc)
+ (function [proc-name]
+ (function [translate inputsS]
+ (case (s.run inputsS ($_ p.seq s.nat (s.tuple (p.many s.any)) s.any))
+ (#e.Success [offset initsS+ bodyS])
+ (loopT.translate-loop translate offset initsS+ bodyS)
+
+ (#e.Error error)
+ (&.throw Wrong-Syntax (wrong-syntax proc-name inputsS)))
+ )))
+
+(def: lux//recur
+ (-> Text Proc)
+ (function [proc-name]
+ (function [translate inputsS]
+ (loopT.translate-recur translate inputsS))))
+
+(def: lux-procs
+ Bundle
+ (|> (dict.new text.Hash<Text>)
+ (install "noop" (unary lux//noop))
+ (install "is" (binary lux//is))
+ (install "try" (unary lux//try))
+ (install "if" (trinary lux//if))
+ (install "loop" lux//loop)
+ (install "recur" lux//recur)
+ ))
+
+## [[Bits]]
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [bit//and python.bit-and]
+ [bit//or python.bit-or]
+ [bit//xor python.bit-xor]
+ )
+
+(def: (bit//shift-left [subjectO paramO])
+ Binary
+ (|> (python.bit-shl paramO subjectO)
+ runtimeT.bit//64))
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [bit//shift-right python.bit-shr]
+ [bit//unsigned-shift-right runtimeT.bit//shift-right]
+ )
+
+(def: bit-procs
+ Bundle
+ (<| (prefix "bit")
+ (|> (dict.new text.Hash<Text>)
+ (install "count" (unary runtimeT.bit//count))
+ (install "and" (binary bit//and))
+ (install "or" (binary bit//or))
+ (install "xor" (binary bit//xor))
+ (install "shift-left" (binary bit//shift-left))
+ (install "unsigned-shift-right" (binary bit//unsigned-shift-right))
+ (install "shift-right" (binary bit//shift-right))
+ )))
+
+## [[Arrays]]
+(def: (array//new sizeO)
+ Unary
+ (|> python.none
+ list python.list
+ (python.* sizeO)))
+
+(def: (array//get [arrayO idxO])
+ Binary
+ (runtimeT.array//get arrayO idxO))
+
+(def: (array//put [arrayO idxO elemO])
+ Trinary
+ (runtimeT.array//put arrayO idxO elemO))
+
+(def: (array//remove [arrayO idxO])
+ Binary
+ (runtimeT.array//put arrayO idxO python.none))
+
+(def: array-procs
+ 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 python.length))
+ )))
+
+## [[Numbers]]
+(host.import java/lang/Double
+ (#static MIN_VALUE Double)
+ (#static MAX_VALUE Double))
+
+(do-template [<name> <const> <encode>]
+ [(def: (<name> _)
+ Nullary
+ (<encode> <const>))]
+
+ [nat//min 0 python.int]
+ [nat//max -1 python.int]
+
+ [frac//smallest Double::MIN_VALUE python.float]
+ [frac//min (f/* -1.0 Double::MAX_VALUE) python.float]
+ [frac//max Double::MAX_VALUE python.float]
+
+ [deg//min 0 python.int]
+ [deg//max -1 python.int]
+ )
+
+(do-template [<name> <expression>]
+ [(def: (<name> _)
+ Nullary
+ <expression>)]
+
+ [int//min (|> (python.int -2) (python.** (python.int 63)))]
+ [int//max (|> (python.int 2) (python.** (python.int 63)) (python.- (python.int 1)))]
+ )
+
+(do-template [<name> <label>]
+ [(def: (<name> _)
+ Nullary
+ (python.apply (list (python.string <label>)) (python.global "float")))]
+
+ [frac//not-a-number "nan"]
+ [frac//positive-infinity "inf"]
+ [frac//negative-infinity "-inf"]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (|> subjectO
+ (<op> paramO)
+ runtimeT.bit//64))]
+
+ [int//add python.+]
+ [int//sub python.-]
+ [int//mul python.*]
+
+ [nat//add python.+]
+ [nat//sub python.-]
+ [nat//mul python.*]
+
+ [deg//add python.+]
+ [deg//sub python.-]
+ [deg//rem python.-]
+ [deg//scale python.*]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (|> subjectO
+ (<op> paramO)))]
+
+ [int//div python./]
+ [int//rem python.%]
+
+ [nat//div runtimeT.nat///]
+ [nat//rem runtimeT.nat//%]
+
+ [deg//mul runtimeT.deg//*]
+ [deg//div runtimeT.deg///]
+ [deg//reciprocal python./]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [frac//add python.+]
+ [frac//sub python.-]
+ [frac//mul python.*]
+ [frac//div python./]
+ [frac//rem python.%]
+ [frac//= python.=]
+ [frac//< python.<]
+
+ [text//= python.=]
+ [text//< python.<]
+ )
+
+(do-template [<name> <cmp>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<cmp> paramO subjectO))]
+
+ [nat//= python.=]
+ [nat//< runtimeT.nat//<]
+
+ [int//= python.=]
+ [int//< python.<]
+
+ [deg//= python.=]
+ [deg//< runtimeT.nat//<]
+ )
+
+(def: (apply1 func)
+ (-> Expression (-> Expression Expression))
+ (function [value]
+ (python.apply (list value) func)))
+
+(def: (send0 method)
+ (-> Text (-> Expression Expression))
+ (function [object]
+ (python.send (list) method object)))
+
+(do-template [<name> <divisor>]
+ [(def: (<name> inputO)
+ Unary
+ (|> inputO (python./ <divisor>)))]
+
+ [deg//to-frac (python.apply (list (|> (python.int 1) (python.bit-shl (python.int 32))))
+ (python.global "float"))]
+ )
+
+(def: nat-procs
+ Bundle
+ (<| (prefix "nat")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary nat//add))
+ (install "-" (binary nat//sub))
+ (install "*" (binary nat//mul))
+ (install "/" (binary nat//div))
+ (install "%" (binary nat//rem))
+ (install "=" (binary nat//=))
+ (install "<" (binary nat//<))
+ (install "min" (nullary nat//min))
+ (install "max" (nullary nat//max))
+ (install "to-int" (unary id))
+ (install "char" (unary (apply1 (python.global "chr")))))))
+
+(def: int-procs
+ Bundle
+ (<| (prefix "int")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary int//add))
+ (install "-" (binary int//sub))
+ (install "*" (binary int//mul))
+ (install "/" (binary int//div))
+ (install "%" (binary int//rem))
+ (install "=" (binary int//=))
+ (install "<" (binary int//<))
+ (install "min" (nullary int//min))
+ (install "max" (nullary int//max))
+ (install "to-nat" (unary id))
+ (install "to-frac" (unary (apply1 (python.global "float")))))))
+
+(def: deg-procs
+ Bundle
+ (<| (prefix "deg")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary deg//add))
+ (install "-" (binary deg//sub))
+ (install "*" (binary deg//mul))
+ (install "/" (binary deg//div))
+ (install "%" (binary deg//rem))
+ (install "=" (binary deg//=))
+ (install "<" (binary deg//<))
+ (install "scale" (binary deg//scale))
+ (install "reciprocal" (binary deg//reciprocal))
+ (install "min" (nullary deg//min))
+ (install "max" (nullary deg//max))
+ (install "to-frac" (unary deg//to-frac)))))
+
+(def: frac-procs
+ Bundle
+ (<| (prefix "frac")
+ (|> (dict.new text.Hash<Text>)
+ (install "+" (binary frac//add))
+ (install "-" (binary frac//sub))
+ (install "*" (binary frac//mul))
+ (install "/" (binary frac//div))
+ (install "%" (binary frac//rem))
+ (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-deg" (unary runtimeT.deg//from-frac))
+ (install "to-int" (unary (apply1 (python.global "int"))))
+ (install "encode" (unary (apply1 (python.global "repr"))))
+ (install "decode" (unary runtimeT.frac//decode)))))
+
+## [[Text]]
+(def: (text//concat [subjectO paramO])
+ Binary
+ (|> subjectO (python.+ paramO)))
+
+(def: (text//char [subjectO paramO])
+ Binary
+ (runtimeT.text//char subjectO paramO))
+
+(def: (text//replace-all [subjectO paramO extraO])
+ Trinary
+ (python.send (list paramO extraO) "replace" subjectO))
+
+(def: (text//replace-once [subjectO paramO extraO])
+ Trinary
+ (python.send (list paramO extraO (python.int 1)) "replace" subjectO))
+
+(def: (text//clip [subjectO paramO extraO])
+ Trinary
+ (runtimeT.text//clip subjectO paramO extraO))
+
+(def: (text//index [textO partO startO])
+ Trinary
+ (runtimeT.text//index textO partO startO))
+
+(def: text-procs
+ Bundle
+ (<| (prefix "text")
+ (|> (dict.new text.Hash<Text>)
+ (install "=" (binary text//=))
+ (install "<" (binary text//<))
+ (install "concat" (binary text//concat))
+ (install "index" (trinary text//index))
+ (install "size" (unary (apply1 (python.global "len"))))
+ (install "hash" (unary (apply1 (python.global "hash"))))
+ (install "replace-once" (trinary text//replace-once))
+ (install "replace-all" (trinary text//replace-all))
+ (install "char" (binary text//char))
+ (install "clip" (trinary text//clip))
+ (install "upper" (unary (send0 "upper")))
+ (install "lower" (unary (send0 "lower")))
+ )))
+
+## [[Math]]
+(def: (math//pow [subject param])
+ Binary
+ (|> subject (python.** param)))
+
+(def: math-procs
+ Bundle
+ (<| (prefix "math")
+ (|> (dict.new text.Hash<Text>)
+ (install "cos" (unary runtimeT.math//cos))
+ (install "sin" (unary runtimeT.math//sin))
+ (install "tan" (unary runtimeT.math//tan))
+ (install "acos" (unary runtimeT.math//acos))
+ (install "asin" (unary runtimeT.math//asin))
+ (install "atan" (unary runtimeT.math//atan))
+ (install "exp" (unary runtimeT.math//exp))
+ (install "log" (unary runtimeT.math//log))
+ (install "ceil" (unary runtimeT.math//ceil))
+ (install "floor" (unary runtimeT.math//floor))
+ (install "pow" (binary math//pow))
+ )))
+
+## [[IO]]
+(def: io-procs
+ Bundle
+ (<| (prefix "io")
+ (|> (dict.new text.Hash<Text>)
+ (install "log" (unary runtimeT.io//log!))
+ (install "error" (unary runtimeT.io//throw!))
+ (install "exit" (unary runtimeT.io//exit!))
+ (install "current-time" (nullary (function [_]
+ (runtimeT.io//current-time! runtimeT.unit)))))))
+
+## [[Atoms]]
+(def: atom//new
+ Unary
+ (|>> [(python.string runtimeT.atom//field)] (list) python.dict))
+
+(def: atom//read
+ Unary
+ (python.nth (python.string runtimeT.atom//field)))
+
+(def: (atom//compare-and-swap [atomO oldO newO])
+ Trinary
+ (runtimeT.atom//compare-and-swap atomO oldO newO))
+
+(def: atom-procs
+ 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//new
+ Unary
+ (|>> (list) python.list))
+
+(def: box//read
+ Unary
+ (python.nth (python.int 0)))
+
+(def: (box//write [valueO boxO])
+ Binary
+ (runtimeT.box//write valueO boxO))
+
+(def: box-procs
+ Bundle
+ (<| (prefix "box")
+ (|> (dict.new text.Hash<Text>)
+ (install "new" (unary box//new))
+ (install "read" (unary box//read))
+ (install "write" (binary box//write)))))
+
+## [[Processes]]
+(def: (process//concurrency-level [])
+ Nullary
+ (python.int 1))
+
+(def: (process//schedule [milli-secondsO procedureO])
+ Binary
+ (runtimeT.process//schedule milli-secondsO procedureO))
+
+(def: process-procs
+ Bundle
+ (<| (prefix "process")
+ (|> (dict.new text.Hash<Text>)
+ (install "concurrency-level" (nullary process//concurrency-level))
+ (install "future" (unary runtimeT.process//future))
+ (install "schedule" (binary process//schedule))
+ )))
+
+## [Bundles]
+(def: #export procedures
+ Bundle
+ (<| (prefix "lux")
+ (|> lux-procs
+ (dict.merge bit-procs)
+ (dict.merge nat-procs)
+ (dict.merge int-procs)
+ (dict.merge deg-procs)
+ (dict.merge frac-procs)
+ (dict.merge text-procs)
+ (dict.merge array-procs)
+ (dict.merge math-procs)
+ (dict.merge io-procs)
+ (dict.merge atom-procs)
+ (dict.merge box-procs)
+ (dict.merge process-procs)
+ )))
diff --git a/new-luxc/source/luxc/lang/translation/python/procedure/host.jvm.lux b/new-luxc/source/luxc/lang/translation/python/procedure/host.jvm.lux
new file mode 100644
index 000000000..c1b43da2f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/procedure/host.jvm.lux
@@ -0,0 +1,89 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ (data [text]
+ text/format
+ (coll [list "list/" Functor<List>]
+ [dict #+ Dict]))
+ [macro "macro/" Monad<Meta>])
+ (luxc ["&" lang]
+ (lang ["la" analysis]
+ ["ls" synthesis]
+ (host [ruby #+ Ruby Expression Statement])))
+ [///]
+ (/// [".T" runtime])
+ (// ["@" common]))
+
+## (do-template [<name> <lua>]
+## [(def: (<name> _) @.Nullary <lua>)]
+
+## [lua//nil "nil"]
+## [lua//table "{}"]
+## )
+
+## (def: (lua//global proc translate inputs)
+## (-> Text @.Proc)
+## (case inputs
+## (^ (list [_ (#.Text name)]))
+## (do macro.Monad<Meta>
+## []
+## (wrap name))
+
+## _
+## (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: (lua//call proc translate inputs)
+## (-> Text @.Proc)
+## (case inputs
+## (^ (list& functionS argsS+))
+## (do macro.Monad<Meta>
+## [functionO (translate functionS)
+## argsO+ (monad.map @ translate argsS+)]
+## (wrap (lua.apply functionO argsO+)))
+
+## _
+## (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: lua-procs
+## @.Bundle
+## (|> (dict.new text.Hash<Text>)
+## (@.install "nil" (@.nullary lua//nil))
+## (@.install "table" (@.nullary lua//table))
+## (@.install "global" lua//global)
+## (@.install "call" lua//call)))
+
+## (def: (table//call proc translate inputs)
+## (-> Text @.Proc)
+## (case inputs
+## (^ (list& tableS [_ (#.Text field)] argsS+))
+## (do macro.Monad<Meta>
+## [tableO (translate tableS)
+## argsO+ (monad.map @ translate argsS+)]
+## (wrap (lua.method field tableO argsO+)))
+
+## _
+## (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: (table//get [fieldO tableO])
+## @.Binary
+## (runtimeT.lua//get tableO fieldO))
+
+## (def: (table//set [fieldO valueO tableO])
+## @.Trinary
+## (runtimeT.lua//set tableO fieldO valueO))
+
+## (def: table-procs
+## @.Bundle
+## (<| (@.prefix "table")
+## (|> (dict.new text.Hash<Text>)
+## (@.install "call" table//call)
+## (@.install "get" (@.binary table//get))
+## (@.install "set" (@.trinary table//set)))))
+
+(def: #export procedures
+ @.Bundle
+ (<| (@.prefix "lua")
+ (dict.new text.Hash<Text>)
+ ## (|> lua-procs
+ ## (dict.merge table-procs))
+ ))
diff --git a/new-luxc/source/luxc/lang/translation/python/reference.jvm.lux b/new-luxc/source/luxc/lang/translation/python/reference.jvm.lux
new file mode 100644
index 000000000..1f29da34a
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/reference.jvm.lux
@@ -0,0 +1,42 @@
+(.module:
+ lux
+ (lux [macro]
+ (data [text]
+ text/format))
+ (luxc ["&" lang]
+ (lang [".L" variable #+ Variable Register]
+ (host [python #+ Expression Statement SVar @@])))
+ [//]
+ (// [".T" runtime]))
+
+(do-template [<register> <translation> <prefix>]
+ [(def: #export (<register> register)
+ (-> Register SVar)
+ (python.var (format <prefix> (%i (nat-to-int register)))))
+
+ (def: #export (<translation> register)
+ (-> Register (Meta Expression))
+ (:: macro.Monad<Meta> wrap (@@ (<register> register))))]
+
+ [closure translate-captured "c"]
+ [variable translate-local "v"])
+
+(def: #export (local var)
+ (-> Variable SVar)
+ (if (variableL.captured? var)
+ (closure (variableL.captured-register var))
+ (variable (int-to-nat var))))
+
+(def: #export (translate-variable var)
+ (-> Variable (Meta Expression))
+ (if (variableL.captured? var)
+ (translate-captured (variableL.captured-register var))
+ (translate-local (int-to-nat var))))
+
+(def: #export global
+ (-> Ident SVar)
+ (|>> //.definition-name python.var))
+
+(def: #export (translate-definition name)
+ (-> Ident (Meta Expression))
+ (:: macro.Monad<Meta> wrap (@@ (global name))))
diff --git a/new-luxc/source/luxc/lang/translation/python/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/python/runtime.jvm.lux
new file mode 100644
index 000000000..e8f564745
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/runtime.jvm.lux
@@ -0,0 +1,583 @@
+(.module:
+ lux
+ (lux (control ["p" parser "p/" Monad<Parser>]
+ [monad #+ do])
+ (data text/format
+ (coll [list "list/" Monad<List>]))
+ [macro]
+ (macro [code]
+ ["s" syntax #+ syntax:])
+ [io #+ Process])
+ [//]
+ (luxc [lang]
+ (lang (host [python #+ Expression Statement @@]))))
+
+(def: prefix Text "LuxRuntime")
+
+(def: #export unit Expression (python.string //.unit))
+
+(def: (flag value)
+ (-> Bool Expression)
+ (if value
+ (python.string "")
+ python.none))
+
+(def: (variant' tag last? value)
+ (-> Expression Expression Expression Expression)
+ (python.dict (list [(python.string //.variant-tag-field) tag]
+ [(python.string //.variant-flag-field) last?]
+ [(python.string //.variant-value-field) value])))
+
+(def: #export (variant tag last? value)
+ (-> Nat Bool Expression Expression)
+ (variant' (python.int (nat-to-int tag))
+ (flag last?)
+ value))
+
+(def: #export none
+ Expression
+ (variant +0 false unit))
+
+(def: #export some
+ (-> Expression Expression)
+ (variant +1 true))
+
+(def: #export left
+ (-> Expression Expression)
+ (variant +0 false))
+
+(def: #export right
+ (-> Expression Expression)
+ (variant +1 true))
+
+(type: Runtime Statement)
+
+(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 "__" (lang.normalize-name name))
+ $runtime (` (python.var (~ (code.text runtime))))
+ @runtime (` (@@ (~ $runtime)))
+ argsC+ (list/map code.local-symbol args)
+ argsLC+ (list/map (|>> lang.normalize-name code.text (~) (python.var) (`))
+ args)
+ declaration (` ((~ (code.local-symbol name))
+ (~+ argsC+)))
+ type (` (-> (~+ (list.repeat (list.size argsC+) (` python.Expression)))
+ python.Expression))]
+ (wrap (list (` (def: (~' #export) (~ declaration)
+ (~ type)
+ (python.apply (list (~+ argsC+)) (~ @runtime))))
+ (` (def: (~ implementation)
+ python.Statement
+ (~ (case argsC+
+ #.Nil
+ (` (python.set! (list (~ $runtime)) (~ definition)))
+
+ _
+ (` (let [(~+ (|> (list.zip2 argsC+ argsLC+)
+ (list/map (function [[left right]]
+ (list left (` (@@ (~ right))))))
+ list/join))]
+ (python.def! (~ $runtime)
+ (list (~+ argsLC+))
+ (~ definition))))))))))))
+
+(syntax: (with-vars [vars (s.tuple (p.many s.local-symbol))]
+ body)
+ (wrap (list (` (let [(~+ (|> vars
+ (list/map (function [var]
+ (list (code.local-symbol var)
+ (` (python.var (~ (code.text (lang.normalize-name var))))))))
+ list/join))]
+ (~ body))))))
+
+(runtime: (lux//try op)
+ (let [$error (python.var "error")
+ $value (python.var "value")]
+ (python.try! ($_ python.then!
+ (python.set! (list $value) (python.apply (list unit) op))
+ (python.return! (right (@@ $value))))
+ (list [(list "Exception") $error
+ (python.return! (left (python.apply (list (@@ $error)) (python.global "str"))))]))))
+
+(runtime: (lux//program-args program-args)
+ (let [$inputs (python.var "inputs")
+ $value (python.var "value")]
+ ($_ python.then!
+ (python.set! (list $inputs) none)
+ (<| (python.for-in! $value program-args)
+ (python.set! (list $inputs)
+ (some (python.tuple (list (@@ $value) (@@ $inputs))))))
+ (python.return! (@@ $inputs)))))
+
+(def: runtime//lux
+ Runtime
+ ($_ python.then!
+ @@lux//try
+ @@lux//program-args))
+
+(runtime: (io//log! message)
+ ($_ python.then!
+ (python.print! message)
+ (python.return! ..unit)))
+
+(def: (exception message)
+ (-> Expression Expression)
+ (python.apply (list message) (python.global "Exception")))
+
+(runtime: (io//throw! message)
+ ($_ python.then!
+ (python.raise! (exception message))
+ (python.return! ..unit)))
+
+(runtime: (io//exit! code)
+ ($_ python.then!
+ (python.import! "sys")
+ (python.do! (|> (python.global "sys") (python.send (list code) "exit")))
+ (python.return! ..unit)))
+
+(runtime: (io//current-time! _)
+ ($_ python.then!
+ (python.import! "time")
+ (python.return! (let [time (|> (python.global "time")
+ (python.send (list) "time")
+ (python.* (python.int 1_000)))]
+ (python.apply (list time) (python.global "int"))))))
+
+(def: runtime//io
+ Runtime
+ ($_ python.then!
+ @@io//log!
+ @@io//throw!
+ @@io//exit!
+ @@io//current-time!))
+
+(runtime: (product//left product index)
+ (let [$index_min_length (python.var "index_min_length")]
+ ($_ python.then!
+ (python.set! (list $index_min_length) (python.+ (python.int 1) index))
+ (python.if! (python.> (@@ $index_min_length) (python.length product))
+ ## No need for recursion
+ (python.return! (python.nth index product))
+ ## Needs recursion
+ (python.return! (product//left (python.nth (python.- (python.int 1)
+ (python.length product))
+ product)
+ (python.- (python.length product)
+ (@@ $index_min_length))))))))
+
+(runtime: (product//right product index)
+ (let [$index_min_length (python.var "index_min_length")]
+ ($_ python.then!
+ (python.set! (list $index_min_length) (python.+ (python.int 1) index))
+ (python.cond! (list [(python.= (@@ $index_min_length) (python.length product))
+ ## Last element.
+ (python.return! (python.nth index product))]
+ [(python.< (@@ $index_min_length) (python.length product))
+ ## Needs recursion
+ (python.return! (product//right (python.nth (python.- (python.int 1)
+ (python.length product))
+ product)
+ (python.- (python.length product)
+ (@@ $index_min_length))))])
+ ## Must slice
+ (python.return! (python.slice-from index product))))))
+
+(runtime: (sum//get sum wantedTag wantsLast)
+ (let [no-match! (python.return! python.none)
+ sum-tag (python.nth (python.string //.variant-tag-field) sum)
+ sum-flag (python.nth (python.string //.variant-flag-field) sum)
+ sum-value (python.nth (python.string //.variant-value-field) sum)
+ is-last? (python.= (python.string "") sum-flag)
+ test-recursion! (python.if! is-last?
+ ## Must recurse.
+ (python.return! (sum//get sum-value (python.- sum-tag wantedTag) wantsLast))
+ no-match!)]
+ (python.cond! (list [(python.= sum-tag wantedTag)
+ (python.if! (python.= wantsLast sum-flag)
+ (python.return! sum-value)
+ test-recursion!)]
+
+ [(python.> sum-tag wantedTag)
+ test-recursion!]
+
+ [(python.and (python.< sum-tag wantedTag)
+ (python.= (python.string "") wantsLast))
+ (python.return! (variant' (python.- wantedTag sum-tag) sum-flag sum-value))])
+
+ no-match!)))
+
+(def: runtime//adt
+ Runtime
+ ($_ python.then!
+ @@product//left
+ @@product//right
+ @@sum//get))
+
+(def: full-32-bits (python.code "0xFFFFFFFF"))
+
+(runtime: (bit//32 input)
+ (with-vars [capped]
+ (python.cond! (list [(|> input (python.> full-32-bits))
+ (python.return! (|> input (python.bit-and full-32-bits) bit//32))]
+ [(|> input (python.> (python.code "0x7FFFFFFF")))
+ ($_ python.then!
+ (python.set! (list capped)
+ (python.apply (list (|> (python.code "0x100000000")
+ (python.- input)))
+ (python.global "int")))
+ (python.if! (|> (@@ capped) (python.<= (python.int 2147483647)))
+ (python.return! (|> (@@ capped) (python.* (python.int -1))))
+ (python.return! (python.int -2147483648))))])
+ (python.return! input))))
+
+(def: full-64-bits (python.code "0xFFFFFFFFFFFFFFFF"))
+
+(runtime: (bit//64 input)
+ (with-vars [capped]
+ (python.cond! (list [(|> input (python.> full-64-bits))
+ (python.return! (|> input (python.bit-and full-64-bits) bit//64))]
+ [(|> input (python.> (python.code "0x7FFFFFFFFFFFFFFF")))
+ ($_ python.then!
+ (python.set! (list capped)
+ (python.apply (list (|> (python.code "0x10000000000000000")
+ (python.- input)))
+ (python.global "int")))
+ (python.if! (|> (@@ capped) (python.<= (python.code "9223372036854775807L")))
+ (python.return! (|> (@@ capped) (python.* (python.int -1))))
+ (python.return! (python.code "-9223372036854775808L"))))])
+ (python.return! input))))
+
+(runtime: (bit//count subject)
+ (with-vars [count remaining]
+ ($_ python.then!
+ (python.set! (list count) (python.int 0))
+ (python.set! (list remaining) subject)
+ (python.while! (|> (@@ remaining) (python.> (python.int 0)))
+ ($_ python.then!
+ (let [last-bit (|> (@@ remaining) (python.% (python.int 2)))]
+ (python.set! (list count) (|> (@@ count) (python.+ last-bit))))
+ (python.set! (list remaining) (|> (@@ remaining) (python./ (python.int 2))))))
+ (python.return! (@@ count)))))
+
+(runtime: (bit//shift-right param subject)
+ (let [mask (|> (python.int 1)
+ (python.bit-shl (python.- param (python.int 64)))
+ (python.- (python.int 1)))]
+ (python.return! (|> subject
+ (python.bit-shr param)
+ (python.bit-and mask)))))
+
+(def: runtime//bit
+ Runtime
+ ($_ python.then!
+ @@bit//32
+ @@bit//64
+ @@bit//count
+ @@bit//shift-right))
+
+(def: high (-> Expression Expression) (bit//shift-right (python.int 32)))
+(def: low (-> Expression Expression) (python.bit-and full-32-bits))
+
+(runtime: (nat//< param subject)
+ (with-vars [ph sh]
+ ($_ python.then!
+ (python.set! (list ph) (..high param))
+ (python.set! (list sh) (..high subject))
+ (python.return! (python.or (python.< (@@ ph) (@@ sh))
+ (python.and (python.= (@@ ph) (@@ sh))
+ (python.< (low param) (low subject))))))))
+
+(runtime: (nat/// param subject)
+ (with-vars [quotient remainder]
+ (python.if! (python.< (python.int 0) param)
+ (python.if! (nat//< param subject)
+ (python.return! (python.int 0))
+ (python.return! (python.int 1)))
+ ($_ python.then!
+ (python.set! (list quotient) (|> subject
+ (python.bit-shr (python.int 1))
+ (python./ param)
+ (python.bit-shl (python.int 1))))
+ (let [remainder (python.- (python.* param (@@ quotient))
+ subject)]
+ (python.if! (python.not (nat//< param remainder))
+ (python.return! (python.+ (python.int 1) (@@ quotient)))
+ (python.return! (@@ quotient))))))))
+
+(runtime: (nat//% param subject)
+ (let [flat (|> subject
+ (nat/// param)
+ (python.* param))]
+ (python.return! (|> subject (python.- flat)))))
+
+(def: runtime//nat
+ Runtime
+ ($_ python.then!
+ @@nat//<
+ @@nat///
+ @@nat//%))
+
+(runtime: (deg//* param subject)
+ (with-vars [$sL $sH $pL $pH $bottom $middle $top]
+ ($_ python.then!
+ (python.set! (list $sL) (..low subject))
+ (python.set! (list $sH) (high subject))
+ (python.set! (list $pL) (..low param))
+ (python.set! (list $pH) (high param))
+ (python.set! (list $bottom) (bit//shift-right (python.int 32)
+ (python.* (@@ $pL) (@@ $sL))))
+ (python.set! (list $middle) (python.+ (python.* (@@ $pL) (@@ $sH))
+ (python.* (@@ $pH) (@@ $sL))))
+ (python.set! (list $top) (python.* (@@ $pH) (@@ $sH)))
+ (python.return! (|> (@@ $bottom)
+ (python.+ (@@ $middle))
+ high
+ (python.+ (@@ $top)))))))
+
+(runtime: (deg//leading-zeroes input)
+ (with-vars [zeroes remaining]
+ ($_ python.then!
+ (python.set! (list zeroes) (python.int 64))
+ (python.set! (list remaining) input)
+ (python.while! (python.not (python.= (python.int 0) (@@ remaining)))
+ ($_ python.then!
+ (python.set! (list zeroes) (python.- (python.int 1) (@@ zeroes)))
+ (python.set! (list remaining) (bit//shift-right (python.int 1) (@@ remaining)))))
+ (python.return! (@@ zeroes)))))
+
+(runtime: (deg/// param subject)
+ (with-vars [min-shift]
+ (python.if! (python.= param subject)
+ (python.return! (python.int -1))
+ ($_ python.then!
+ (python.set! (list min-shift)
+ (python.apply (list (deg//leading-zeroes param)
+ (deg//leading-zeroes subject))
+ (python.global "min")))
+ (python.return! (|> (python.bit-shl (@@ min-shift) subject)
+ (python./ (|> param (python.bit-shl (@@ min-shift)) ..low))
+ (python.bit-shl (python.int 32))))))))
+
+(def: (float-to-int float)
+ (-> Expression Expression)
+ (python.apply (list float) (python.global "int")))
+
+(runtime: (deg//from-frac input)
+ (with-vars [two32 shifted]
+ ($_ python.then!
+ (python.set! (list two32) (|> (python.float 2.0)
+ (python.** (python.float 32.0))))
+ (python.set! (list shifted) (|> input
+ (python.% (python.float 1.0))
+ (python.* (@@ two32))))
+ (let [low (|> (@@ shifted)
+ (python.% (python.float 1.0))
+ (python.* (@@ two32))
+ float-to-int)
+ high (|> (@@ shifted) float-to-int (python.bit-shl (python.int 32)))]
+ (python.return! (|> low (python.+ high)))))))
+
+(def: runtime//deg
+ Runtime
+ ($_ python.then!
+ @@deg//*
+ @@deg//leading-zeroes
+ @@deg///
+ @@deg//from-frac))
+
+(runtime: (frac//decode input)
+ (let [$ex (python.var "ex")]
+ (python.try!
+ (python.return! (..some (python.apply (list input) (python.global "float"))))
+ (list [(list "Exception") $ex
+ (python.return! ..none)]))))
+
+(def: runtime//frac
+ Runtime
+ ($_ python.then!
+ @@frac//decode))
+
+(runtime: (text//index subject param start)
+ (with-vars [idx]
+ ($_ python.then!
+ (python.set! (list idx) (python.send (list param start) "find" subject))
+ (python.if! (python.= (python.int -1) (@@ idx))
+ (python.return! ..none)
+ (python.return! (..some (@@ idx)))))))
+
+(def: inc (|>> (python.+ (python.int 1))))
+
+(do-template [<name> <top-cmp>]
+ [(def: (<name> top value)
+ (-> Expression Expression Expression)
+ (python.and (|> value (python.>= (python.int 0)))
+ (|> value (<top-cmp> top))))]
+
+ [within? python.<]
+ [up-to? python.<=]
+ )
+
+(runtime: (text//clip @text @from @to)
+ (with-vars [length]
+ ($_ python.then!
+ (python.set! (list length) (python.length @text))
+ (python.if! ($_ python.and
+ (|> @to (within? (@@ length)))
+ (|> @from (up-to? @to)))
+ (python.return! (..some (|> @text (python.slice @from (inc @to)))))
+ (python.return! ..none)))))
+
+(runtime: (text//char text idx)
+ (python.if! (|> idx (within? (python.length text)))
+ (python.return! (..some (python.apply (list (|> text (python.slice idx (inc idx))))
+ (python.global "ord"))))
+ (python.return! ..none)))
+
+(def: runtime//text
+ Runtime
+ ($_ python.then!
+ @@text//index
+ @@text//clip
+ @@text//char))
+
+(def: (check-index-out-of-bounds array idx body!)
+ (-> Expression Expression Statement Statement)
+ (python.if! (|> idx (python.<= (python.length array)))
+ body!
+ (python.raise! (exception (python.string "Array index out of bounds!")))))
+
+(runtime: (array//get array idx)
+ (with-vars [temp]
+ (<| (check-index-out-of-bounds array idx)
+ ($_ python.then!
+ (python.set! (list temp) (python.nth idx array))
+ (python.if! (python.= python.none (@@ temp))
+ (python.return! ..none)
+ (python.return! (..some (@@ temp))))))))
+
+(runtime: (array//put array idx value)
+ (<| (check-index-out-of-bounds array idx)
+ ($_ python.then!
+ (python.set-nth! idx value array)
+ (python.return! array))))
+
+(def: runtime//array
+ Runtime
+ ($_ python.then!
+ @@array//get
+ @@array//put))
+
+(def: #export atom//field Text "_lux_atom")
+
+(runtime: (atom//compare-and-swap atom old new)
+ (let [atom//field (python.string atom//field)]
+ (python.if! (python.= old (python.nth atom//field atom))
+ ($_ python.then!
+ (python.set-nth! atom//field new atom)
+ (python.return! (python.bool true)))
+ (python.return! (python.bool false)))))
+
+(def: runtime//atom
+ Runtime
+ ($_ python.then!
+ @@atom//compare-and-swap))
+
+(runtime: (box//write value box)
+ ($_ python.then!
+ (python.set-nth! (python.int 0) value box)
+ (python.return! ..unit)))
+
+(def: runtime//box
+ Runtime
+ ($_ python.then!
+ @@box//write))
+
+(runtime: (process//future procedure)
+ ($_ python.then!
+ (python.import! "threading")
+ (let [params (python.dict (list [(python.string "target") procedure]))]
+ (python.do! (|> (python.global "threading")
+ (python.send-keyword (list) params "Thread")
+ (python.send (list) "start"))))
+ (python.return! ..unit)))
+
+(runtime: (process//schedule milli-seconds procedure)
+ ($_ python.then!
+ (python.import! "threading")
+ (let [seconds (|> milli-seconds (python./ (python.float 1_000.0)))]
+ (python.do! (|> (python.global "threading")
+ (python.send (list seconds procedure) "Timer")
+ (python.send (list) "start"))))
+ (python.return! ..unit)))
+
+(def: runtime//process
+ Runtime
+ ($_ python.then!
+ @@process//future
+ @@process//schedule))
+
+(do-template [<name> <method>]
+ [(runtime: (<name> input)
+ ($_ python.then!
+ (python.import! "math")
+ (python.return! (|> (python.global "math") (python.send (list input) <method>)))))]
+
+ [math//cos "cos"]
+ [math//sin "sin"]
+ [math//tan "tan"]
+ [math//acos "acos"]
+ [math//asin "asin"]
+ [math//atan "atan"]
+ [math//exp "exp"]
+ [math//log "log"]
+ [math//ceil "ceil"]
+ [math//floor "floor"]
+ )
+
+(def: runtime//math
+ Runtime
+ ($_ python.then!
+ @@math//cos
+ @@math//sin
+ @@math//tan
+ @@math//acos
+ @@math//asin
+ @@math//atan
+ @@math//exp
+ @@math//log
+ @@math//ceil
+ @@math//floor))
+
+(def: runtime
+ Runtime
+ ($_ python.then!
+ runtime//lux
+ runtime//adt
+ runtime//bit
+ runtime//nat
+ runtime//deg
+ runtime//frac
+ runtime//text
+ runtime//array
+ runtime//atom
+ runtime//box
+ runtime//io
+ runtime//process
+ runtime//math
+ ))
+
+(def: #export artifact Text (format prefix ".py"))
+
+(def: #export translate
+ (Meta (Process Unit))
+ (do macro.Monad<Meta>
+ [_ //.init-module-buffer
+ _ (//.save runtime)]
+ (//.save-module! artifact)))
diff --git a/new-luxc/source/luxc/lang/translation/python/statement.jvm.lux b/new-luxc/source/luxc/lang/translation/python/statement.jvm.lux
new file mode 100644
index 000000000..36fe472d3
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/statement.jvm.lux
@@ -0,0 +1,48 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ [macro]
+ (data text/format))
+ (luxc (lang [".L" module]
+ (host [python #+ Expression Statement @@])))
+ [//]
+ (// [".T" runtime]
+ [".T" reference]
+ [".T" eval]))
+
+(def: #export (translate-def name expressionT expressionO metaV)
+ (-> Text Type Expression Code (Meta Unit))
+ (do macro.Monad<Meta>
+ [current-module macro.current-module-name
+ #let [def-ident [current-module name]]]
+ (case (macro.get-symbol-ann (ident-for #.alias) metaV)
+ (#.Some real-def)
+ (do @
+ [[realT realA realV] (macro.find-def real-def)
+ _ (moduleL.define def-ident [realT metaV realV])]
+ (wrap []))
+
+ _
+ (do @
+ [#let [def-name (referenceT.global def-ident)]
+ _ (//.save (python.set! (list def-name) expressionO))
+ expressionV (evalT.eval (@@ def-name))
+ _ (moduleL.define def-ident [expressionT metaV expressionV])
+ _ (if (macro.type? metaV)
+ (case (macro.declared-tags metaV)
+ #.Nil
+ (wrap [])
+
+ tags
+ (moduleL.declare-tags tags (macro.export? metaV) (:! Type expressionV)))
+ (wrap []))
+ #let [_ (log! (format "DEF " (%ident def-ident)))]]
+ (wrap []))
+ )))
+
+(def: #export (translate-program programO)
+ (-> Expression (Meta Statement))
+ (macro.fail "translate-program NOT IMPLEMENTED YET")
+ ## (hostT.save (format "var " (referenceT.variable +0) " = " runtimeT.lux//program-args "();"
+ ## "(" programO ")(null);"))
+ )
diff --git a/new-luxc/source/luxc/lang/translation/python/structure.jvm.lux b/new-luxc/source/luxc/lang/translation/python/structure.jvm.lux
new file mode 100644
index 000000000..0452ef504
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/python/structure.jvm.lux
@@ -0,0 +1,31 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ (data [text]
+ text/format)
+ [macro])
+ (luxc ["&" lang]
+ (lang [synthesis #+ Synthesis]
+ (host [python #+ Expression Statement])))
+ [//]
+ (// [".T" runtime]))
+
+(def: #export (translate-tuple translate elemsS+)
+ (-> (-> Synthesis (Meta Expression)) (List Synthesis) (Meta Expression))
+ (case elemsS+
+ #.Nil
+ (:: macro.Monad<Meta> wrap runtimeT.unit)
+
+ (#.Cons singletonS #.Nil)
+ (translate singletonS)
+
+ _
+ (do macro.Monad<Meta>
+ [elemsT+ (monad.map @ translate elemsS+)]
+ (wrap (python.tuple elemsT+)))))
+
+(def: #export (translate-variant translate tag tail? valueS)
+ (-> (-> Synthesis (Meta Expression)) Nat Bool Synthesis (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueT (translate valueS)]
+ (wrap (runtimeT.variant tag tail? valueT))))
diff --git a/new-luxc/source/luxc/lang/translation/ruby/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/ruby/primitive.jvm.lux
index 15e68d8c6..1e76ef9e4 100644
--- a/new-luxc/source/luxc/lang/translation/ruby/primitive.jvm.lux
+++ b/new-luxc/source/luxc/lang/translation/ruby/primitive.jvm.lux
@@ -25,13 +25,13 @@
(def: #export translate-frac
(-> Frac (Meta Expression))
(|>> (cond> [(f/= number.positive-infinity)]
- [(new> "(1/0)")]
+ [(new> "(1.0/0.0)")]
[(f/= number.negative-infinity)]
- [(new> "(-1/0)")]
+ [(new> "(-1.0/0.0)")]
[(f/= number.not-a-number)]
- [(new> "(0/0)")]
+ [(new> "(0.0/0.0)")]
## else
[%f])