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-rw-r--r--new-luxc/project.clj7
-rw-r--r--new-luxc/source/luxc/lang/host/r.lux347
-rw-r--r--new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux12
-rw-r--r--new-luxc/source/luxc/lang/translation/r.lux223
-rw-r--r--new-luxc/source/luxc/lang/translation/r/case.jvm.lux188
-rw-r--r--new-luxc/source/luxc/lang/translation/r/eval.jvm.lux162
-rw-r--r--new-luxc/source/luxc/lang/translation/r/expression.jvm.lux88
-rw-r--r--new-luxc/source/luxc/lang/translation/r/function.jvm.lux101
-rw-r--r--new-luxc/source/luxc/lang/translation/r/loop.jvm.lux37
-rw-r--r--new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux30
-rw-r--r--new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux29
-rw-r--r--new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux554
-rw-r--r--new-luxc/source/luxc/lang/translation/r/procedure/host.jvm.lux89
-rw-r--r--new-luxc/source/luxc/lang/translation/r/reference.jvm.lux42
-rw-r--r--new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux1023
-rw-r--r--new-luxc/source/luxc/lang/translation/r/statement.jvm.lux45
-rw-r--r--new-luxc/source/luxc/lang/translation/r/structure.jvm.lux31
-rw-r--r--new-luxc/test/test/luxc/common.lux12
-rw-r--r--new-luxc/test/test/luxc/lang/translation/case.lux4
-rw-r--r--new-luxc/test/test/luxc/lang/translation/common.lux4
-rw-r--r--new-luxc/test/test/luxc/lang/translation/function.lux4
-rw-r--r--new-luxc/test/test/luxc/lang/translation/primitive.lux4
-rw-r--r--new-luxc/test/test/luxc/lang/translation/reference.lux10
-rw-r--r--new-luxc/test/test/luxc/lang/translation/structure.lux4
24 files changed, 3039 insertions, 11 deletions
diff --git a/new-luxc/project.clj b/new-luxc/project.clj
index 73c42b472..770612a73 100644
--- a/new-luxc/project.clj
+++ b/new-luxc/project.clj
@@ -12,7 +12,8 @@
[:name "Eduardo Julian"]
[:url "https://github.com/eduardoejp"]]]
:repositories [["snapshots" "https://oss.sonatype.org/content/repositories/snapshots/"]
- ["releases" "https://oss.sonatype.org/service/local/staging/deploy/maven2/"]]
+ ["releases" "https://oss.sonatype.org/service/local/staging/deploy/maven2/"]
+ ["bedatadriven" "https://nexus.bedatadriven.com/content/groups/public/"]]
:scm {:name "git"
:url "https://github.com/LuxLang/lux.git"}
@@ -21,7 +22,9 @@
[net.sandius.rembulan/rembulan-stdlib "0.1-SNAPSHOT"]
[net.sandius.rembulan/rembulan-compiler "0.1-SNAPSHOT"]
[org.jruby/jruby-complete "9.1.16.0"]
- [org.python/jython-standalone "2.7.1"]]
+ [org.python/jython-standalone "2.7.1"]
+ [org.renjin/renjin-script-engine "0.8.2527"]
+ ]
:source-paths ["source"]
:test-paths ["test"]
diff --git a/new-luxc/source/luxc/lang/host/r.lux b/new-luxc/source/luxc/lang/host/r.lux
new file mode 100644
index 000000000..62c33479d
--- /dev/null
+++ b/new-luxc/source/luxc/lang/host/r.lux
@@ -0,0 +1,347 @@
+(.module:
+ [lux #- not or and list if function cond]
+ (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 (Var kind)
+ {}
+
+ Text
+
+ (def: name (All [k] (-> (Var k) Text)) (|>> @representation))
+
+ (def: #export var (-> Text (Var Single)) (|>> @abstraction))
+ (def: #export var-args (Var Poly) (@abstraction "..."))
+ )
+
+(type: #export SVar (Var Single))
+(type: #export PVar (Var Poly))
+
+(abstract: #export Expression
+ {}
+
+ Text
+
+ (def: #export expression (-> Expression Text) (|>> @representation))
+
+ (def: #export code (-> Text Expression) (|>> @abstraction))
+
+ (def: (self-contained code)
+ (-> Text Text)
+ (format "(" code ")"))
+
+ (def: #export null
+ Expression
+ (|> "NULL" self-contained @abstraction))
+
+ (def: #export n/a
+ Expression
+ (|> "NA" self-contained @abstraction))
+
+ (def: #export not-available Expression n/a)
+ (def: #export not-applicable Expression n/a)
+ (def: #export no-answer Expression n/a)
+
+ (def: #export bool
+ (-> Bool Expression)
+ (|>> (case> true "TRUE"
+ false "FALSE")
+ self-contained
+ @abstraction))
+
+ (def: #export (int value)
+ (-> Int Expression)
+ (@abstraction
+ (self-contained
+ (format "as.integer(" (%i value) ")"))))
+
+ (def: #export float
+ (-> Frac Expression)
+ (|>> (cond> [(f/= number.positive-infinity)]
+ [(new> "1.0/0.0")]
+
+ [(f/= number.negative-infinity)]
+ [(new> "-1.0/0.0")]
+
+ [(f/= number.not-a-number)]
+ [(new> "0.0/0.0")]
+
+ ## else
+ [%f])
+ self-contained
+ @abstraction))
+
+ (def: #export string
+ (-> Text Expression)
+ (|>> %t self-contained @abstraction))
+
+ (def: (composite-literal left-delimiter right-delimiter entry-serializer)
+ (All [a] (-> Text Text (-> a Text)
+ (-> (List a) Expression)))
+ (.function (_ entries)
+ (@abstraction
+ (self-contained
+ (format left-delimiter
+ (|> entries (list/map entry-serializer) (text.join-with ","))
+ right-delimiter)))))
+
+ (def: #export named-list
+ (-> (List [Text Expression]) Expression)
+ (composite-literal "list(" ")" (.function (_ [key value])
+ (format key "=" (@representation value)))))
+
+ (do-template [<name> <function>]
+ [(def: #export <name>
+ (-> (List Expression) Expression)
+ (composite-literal (format <function> "(") ")" expression))]
+
+ [vector "c"]
+ [list "list"]
+ )
+
+ (def: #export (slice from to list)
+ (-> Expression Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation list)
+ "[" (@representation from) ":" (@representation to) "]"))))
+
+ (def: #export (slice-from from list)
+ (-> Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation list)
+ "[-1" ":-" (@representation from) "]"))))
+
+ (def: #export (apply args func)
+ (-> (List Expression) Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation func) "(" (text.join-with "," (list/map expression args)) ")"))))
+
+ (def: #export (apply-kw args kw-args func)
+ (-> (List Expression) (List [Text Expression]) Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation func)
+ (format "("
+ (text.join-with "," (list/map expression args))
+ (text.join-with "," (list/map (.function (_ [key val])
+ (format key "=" (expression val)))
+ kw-args))
+ ")")))))
+
+ (def: #export (nth idx list)
+ (-> Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation list) "[[" (@representation idx) "]]"))))
+
+ (def: #export (if test then else)
+ (-> Expression Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format "if(" (@representation test) ")"
+ " " (@representation then)
+ " else " (@representation else)))))
+
+ (def: #export (cond clauses else)
+ (-> (List [Expression Expression]) Expression Expression)
+ (list/fold (.function (_ [test then] next)
+ (if test then next))
+ else
+ (list.reverse clauses)))
+
+ (do-template [<name> <op>]
+ [(def: #export (<name> param subject)
+ (-> Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation subject)
+ " " <op> " "
+ (@representation param)))))]
+
+ [= "=="]
+ [< "<"]
+ [<= "<="]
+ [> ">"]
+ [>= ">="]
+ [+ "+"]
+ [- "-"]
+ [* "*"]
+ [/ "/"]
+ [%% "%%"]
+ [** "**"]
+ [or "||"]
+ [and "&&"]
+ )
+
+ (def: #export @@
+ (All [k] (-> (Var k) Expression))
+ (|>> ..name self-contained @abstraction))
+
+ (def: #export global
+ (-> Text Expression)
+ (|>> var @@))
+
+ (do-template [<name> <func>]
+ [(def: #export (<name> param subject)
+ (-> Expression Expression Expression)
+ (..apply (.list subject param) (..global <func>)))]
+
+ [bit-or "bitwOr"]
+ [bit-and "bitwAnd"]
+ [bit-xor "bitwXor"]
+ [bit-shl "bitwShiftL"]
+ [bit-ushr "bitwShiftR"]
+ )
+
+ (def: #export (bit-not subject)
+ (-> Expression Expression)
+ (..apply (.list subject) (..global "bitwNot")))
+
+ (do-template [<name> <op>]
+ [(def: #export <name>
+ (-> Expression Expression)
+ (|>> @representation (format <op>) self-contained @abstraction))]
+
+ [not "!"]
+ [negate "-"]
+ )
+
+ (def: #export (length list)
+ (-> Expression Expression)
+ (..apply (.list list) (..global "length")))
+
+ (def: #export (range from to)
+ (-> Expression Expression Expression)
+ (@abstraction
+ (self-contained
+ (format (@representation from) ":" (@representation to)))))
+ )
+
+(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 list)
+ (-> Expression Expression SVar Statement)
+ (@abstraction (format (..name list) "[" (expression idx) "] <- " (expression value))))
+
+ (def: #export (set! var value)
+ (-> (Var Single) Expression Statement)
+ (@abstraction
+ (format (..name var) " <- " (expression value))))
+
+ (def: #export (if! test then! else!)
+ (-> Expression Statement Statement Statement)
+ (@abstraction
+ (format "if(" (expression test) ") {"
+ (nest then!)
+ "\n" "} else {"
+ (nest else!)
+ "\n" "}")))
+
+ (def: #export (when! test then!)
+ (-> Expression Statement Statement)
+ (@abstraction
+ (format "if(" (expression test) ") {"
+ (nest then!)
+ "\n" "}")))
+
+ (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!)
+ "\n" "}")))
+
+ (def: #export (do! expression)
+ (-> Expression Statement)
+ (@abstraction (..expression expression)))
+
+ (def: #export no-op!
+ Statement
+ (@abstraction "\n"))
+
+ (do-template [<name> <keyword>]
+ [(def: #export (<name> message)
+ (-> Expression Statement)
+ (@abstraction
+ (format <keyword> "(" (expression message) ")")))]
+
+ [stop! "stop"]
+ [print! "print"]
+ )
+
+ (def: #export (block statement)
+ (-> Statement Expression)
+ (..code (format "{"
+ (nest statement)
+ "\n" "}")))
+
+ (def: #export (for-in! var inputs body!)
+ (-> SVar Expression Statement Statement)
+ (@abstraction
+ (format "for (" (..name var) " in " (..expression inputs) ")"
+ (..expression (..block body!)))))
+ )
+
+(def: #export (function inputs body!)
+ (-> (List (Ex [k] (Var k))) Statement Expression)
+ (let [args (|> inputs (list/map ..name) (text.join-with ", "))]
+ (..code (format "function(" args ")" (..expression (..block body!))))))
+
+(def: #export (try body! warning error finally!)
+ (-> Statement (Maybe Expression) (Maybe Expression) (Maybe Statement) Expression)
+ (..code (format "(tryCatch("
+ (..expression (..block body!))
+ (case warning
+ (#.Some warning)
+ (format ", warning = " (..expression warning))
+
+ #.None
+ "")
+ (case error
+ (#.Some error)
+ (format ", error = " (..expression error))
+
+ #.None
+ "")
+ (case finally!
+ (#.Some finally!)
+ (format ", finally = " (..expression (..block finally!)))
+
+ #.None
+ "")
+ "))")))
diff --git a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
index 137e5d4ab..12a0fe6a5 100644
--- a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
+++ b/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
@@ -424,13 +424,13 @@
(lua.block! (list (lua.local! "process" (#.Some (lua.nth "idx" "queue")))
(lua.when! (lua.apply "coroutine.resume" (list "process"))
(lua.apply "table.insert" (list "survivors" "process"))))))
- (lua.set! "queue" "survivors")))]
+ (lua.set! "queue" "survivors")))
+ loop-body! (lua.block! (list migrate-incoming!
+ consume-queue!))]
(lua.block! (list (lua.local! "queue" (#.Some (lua.array (list))))
- migrate-incoming!
- consume-queue!
- (lua.when! (lua.> (lua.int 0)
- (lua.length "queue"))
- (process//loop unit))))))
+ loop-body!
+ (lua.while! (|> (lua.length "queue") (lua.> (lua.int 0)))
+ loop-body!)))))
(runtime: (process//future procedure)
(lua.block! (list (lua.apply "table.insert" (list process//incoming
diff --git a/new-luxc/source/luxc/lang/translation/r.lux b/new-luxc/source/luxc/lang/translation/r.lux
new file mode 100644
index 000000000..aba64bc87
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r.lux
@@ -0,0 +1,223 @@
+(.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 [r #+ Expression Statement]))
+ [".C" io]))
+
+(do-template [<name>]
+ [(exception: #export (<name> {message Text})
+ message)]
+
+ [No-Active-Module-Buffer]
+ [Cannot-Execute]
+
+ [No-Anchor]
+ )
+
+(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 javax/script/ScriptEngine
+ (eval [String] #try #? Object))
+
+(host.import javax/script/ScriptEngineFactory
+ (getScriptEngine [] ScriptEngine))
+
+(host.import org/renjin/script/RenjinScriptEngineFactory
+ (new []))
+
+(type: #export Anchor [Text Register])
+
+(type: #export Host
+ {#context [Text Nat]
+ #anchor (Maybe Anchor)
+ #loader (-> Statement (Error Unit))
+ #interpreter (-> Expression (Error Object))
+ #module-buffer (Maybe StringBuilder)
+ #program-buffer StringBuilder})
+
+(def: #export init
+ (IO Host)
+ (io (let [interpreter (|> (RenjinScriptEngineFactory::new [])
+ (ScriptEngineFactory::getScriptEngine []))]
+ {#context ["" +0]
+ #anchor #.None
+ #loader (function (_ code)
+ (do e.Monad<Error>
+ [_ (ScriptEngine::eval [(r.statement code)] interpreter)]
+ (wrap [])))
+ #interpreter (function (_ code)
+ (do e.Monad<Error>
+ [output (ScriptEngine::eval [(r.expression code)] interpreter)]
+ (wrap (maybe.default (:! Object [])
+ output))))
+ #module-buffer #.None
+ #program-buffer (StringBuilder::new [])})))
+
+(def: #export r-module-name Text "module.r")
+
+(def: #export init-module-buffer
+ (Meta Unit)
+ (function (_ compiler)
+ (#e.Success [(update@ #.host
+ (|>> (:! Host)
+ (set@ #module-buffer (#.Some (StringBuilder::new [])))
+ (:! Void))
+ compiler)
+ []])))
+
+(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 "f___" (%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)))))
+
+(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.throw 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> <unwrap>]
+ [(def: (<name> code)
+ (-> <inputT> (Meta <outputT>))
+ (function (_ compiler)
+ (let [runner (|> compiler (get@ #.host) (:! Host) (get@ <field>))]
+ (case (runner code)
+ (#e.Error error)
+ (exec ## (log! (<unwrap> code))
+ ((lang.throw Cannot-Execute error) compiler))
+
+ (#e.Success output)
+ (#e.Success [compiler output])))))]
+
+ [load! #loader Statement Unit r.statement]
+ [interpret #interpreter Expression Object r.expression]
+ )
+
+(def: #export variant-tag-field "luxVT")
+(def: #export variant-flag-field "luxVF")
+(def: #export variant-value-field "luxVV")
+
+(def: #export int-high-field "luxIH")
+(def: #export int-low-field "luxIL")
+
+(def: #export unit Text "")
+
+(def: #export (definition-name [module name])
+ (-> Ident Text)
+ (lang.normalize-name (format module "$" name)))
+
+(do-template [<name> <eval> <un-wrap> <inputT> <outputT>]
+ [(def: #export (<name> code)
+ (-> <inputT> (Meta <outputT>))
+ (do macro.Monad<Meta>
+ [module-buffer module-buffer
+ #let [_ (Appendable::append [(:! CharSequence (<un-wrap> code))]
+ module-buffer)]]
+ (<eval> code)))]
+
+ [save load! r.statement Statement Unit]
+ [run interpret r.expression Expression Object]
+ )
+
+(def: #export (save-module! target)
+ (-> File (Meta (Process Unit)))
+ (do macro.Monad<Meta>
+ [module macro.current-module-name
+ module-buffer module-buffer
+ program-buffer program-buffer
+ #let [module-code (StringBuilder::toString [] module-buffer)
+ _ (Appendable::append [(:! CharSequence (format module-code "\n"))]
+ program-buffer)]]
+ (wrap (ioC.write target
+ (format (lang.normalize-name module) "/" r-module-name)
+ (|> module-code
+ (String::getBytes ["UTF-8"])
+ e.assume)))))
diff --git a/new-luxc/source/luxc/lang/translation/r/case.jvm.lux b/new-luxc/source/luxc/lang/translation/r/case.jvm.lux
new file mode 100644
index 000000000..2a635030c
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/case.jvm.lux
@@ -0,0 +1,188 @@
+(.module:
+ lux
+ (lux (control [monad #+ do]
+ ["ex" exception #+ exception:])
+ (data [number]
+ [text]
+ text/format
+ (coll [list "list/" Functor<List> Fold<List>]
+ [set #+ Set]))
+ [macro #+ "meta/" Monad<Meta>]
+ (macro [code]))
+ (luxc [lang]
+ (lang [".L" variable #+ Register Variable]
+ ["ls" synthesis #+ Synthesis Path]
+ (host [r #+ Expression Statement SVar @@])))
+ [//]
+ (// [".T" runtime]
+ [".T" primitive]
+ [".T" reference]))
+
+(def: #export (translate-let translate register valueS bodyS)
+ (-> (-> Synthesis (Meta Expression)) Register Synthesis Synthesis
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueO (translate valueS)
+ bodyO (translate bodyS)
+ #let [$register (referenceT.variable register)]]
+ (wrap (r.block ($_ r.then!
+ (r.set! $register valueO)
+ (r.do! bodyO))))))
+
+(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 (r.int (:! Int idx)))))
+ valueO
+ pathP))))
+
+(def: #export (translate-if testO thenO elseO)
+ (-> Expression Expression Expression Expression)
+ (r.if testO thenO elseO))
+
+(def: $savepoint (r.var "lux_pm_cursor_savepoint"))
+(def: $cursor (r.var "lux_pm_cursor"))
+
+(def: top r.length)
+(def: next (|>> r.length (r.+ (r.int 1))))
+(def: (push! value var)
+ (-> Expression SVar Statement)
+ (r.set-nth! (next (@@ var)) value var))
+(def: (pop! var)
+ (-> SVar Statement)
+ (r.set-nth! (top (@@ var)) r.null var))
+
+(def: (push-cursor! value)
+ (-> Expression Statement)
+ (push! value $cursor))
+
+(def: save-cursor!
+ Statement
+ (push! (r.slice (r.float 1.0) (r.length (@@ $cursor)) (@@ $cursor))
+ $savepoint))
+
+(def: restore-cursor!
+ Statement
+ (r.set! $cursor (r.nth (top (@@ $savepoint)) (@@ $savepoint))))
+
+(def: cursor-top
+ Expression
+ (top (@@ $cursor)))
+
+(def: pop-cursor!
+ Statement
+ (pop! $cursor))
+
+(def: pm-error (r.string "PM-ERROR"))
+
+(def: fail-pm! (r.stop! pm-error))
+
+(def: $temp (r.var "lux_pm_temp"))
+
+(exception: #export (Unrecognized-Path {message Text})
+ message)
+
+(def: $alt_error (r.var "alt_error"))
+
+(def: (pm-catch handler!)
+ (-> Statement Expression)
+ (r.function (list $alt_error)
+ (r.if! (|> (@@ $alt_error) (r.= pm-error))
+ handler!
+ (r.stop! (@@ $alt_error)))))
+
+(def: (translate-pattern-matching' translate pathP)
+ (-> (-> Synthesis (Meta Expression)) Path (Meta Statement))
+ (case pathP
+ (^code ("lux case exec" (~ bodyS)))
+ (do macro.Monad<Meta>
+ [bodyO (translate bodyS)]
+ (wrap (r.do! bodyO)))
+
+ (^code ("lux case pop"))
+ (meta/wrap pop-cursor!)
+
+ (^code ("lux case bind" (~ [_ (#.Nat register)])))
+ (meta/wrap (r.set! (referenceT.variable register) cursor-top))
+
+ (^template [<tag> <format>]
+ [_ (<tag> value)]
+ (meta/wrap (r.when! (r.not (r.= (|> value <format>) cursor-top))
+ fail-pm!)))
+ ([#.Nat (<| runtimeT.int (:! Int))]
+ [#.Int runtimeT.int]
+ [#.Deg (<| runtimeT.int (:! Int))]
+ [#.Bool r.bool]
+ [#.Frac r.float]
+ [#.Text r.string])
+
+ (^template [<pm> <getter>]
+ (^code (<pm> (~ [_ (#.Nat idx)])))
+ (meta/wrap (push-cursor! (<getter> cursor-top (r.int (:! Int idx))))))
+ (["lux case tuple left" runtimeT.product//left]
+ ["lux case tuple right" runtimeT.product//right])
+
+ (^template [<pm> <flag>]
+ (^code (<pm> (~ [_ (#.Nat idx)])))
+ (meta/wrap ($_ r.then!
+ (r.set! $temp (runtimeT.sum//get cursor-top (r.int (:! Int idx)) <flag>))
+ (r.if! (r.not (r.= r.null (@@ $temp)))
+ (push-cursor! (@@ $temp))
+ fail-pm!))))
+ (["lux case variant left" r.null]
+ ["lux case variant right" (r.string "")])
+
+ (^code ("lux case seq" (~ leftP) (~ rightP)))
+ (do macro.Monad<Meta>
+ [leftO (translate-pattern-matching' translate leftP)
+ rightO (translate-pattern-matching' translate rightP)]
+ (wrap ($_ r.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 (r.do! (r.try ($_ r.then!
+ save-cursor!
+ leftO)
+ #.None
+ (#.Some (pm-catch ($_ r.then!
+ restore-cursor!
+ rightO)))
+ #.None))))
+
+ _
+ (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 (r.do! (r.try pattern-matching!
+ #.None
+ (#.Some (pm-catch (r.stop! (r.string "Invalid expression for pattern-matching."))))
+ #.None)))))
+
+(def: (initialize-pattern-matching! stack-init)
+ (-> Expression Statement)
+ ($_ r.then!
+ (r.set! $cursor (r.list (list stack-init)))
+ (r.set! $savepoint (r.list (list)))))
+
+(def: #export (translate-case translate valueS pathP)
+ (-> (-> Synthesis (Meta Expression)) Synthesis Path (Meta Expression))
+ (do macro.Monad<Meta>
+ [valueO (translate valueS)
+ pattern-matching! (translate-pattern-matching translate pathP)]
+ (wrap (r.block ($_ r.then!
+ (initialize-pattern-matching! valueO)
+ pattern-matching!)))))
diff --git a/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux b/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux
new file mode 100644
index 000000000..27d05fdaa
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux
@@ -0,0 +1,162 @@
+(.module:
+ lux
+ (lux (control ["ex" exception #+ exception:]
+ [monad #+ do])
+ (data [bit]
+ [maybe]
+ ["e" error #+ Error]
+ text/format
+ (coll [array]))
+ [host])
+ (luxc [lang]
+ (lang (host [r #+ Expression Statement])))
+ [//])
+
+(do-template [<name>]
+ [(exception: #export (<name> {message Text})
+ message)]
+
+ [Unknown-Kind-Of-Host-Object]
+ [Null-Has-No-Lux-Representation]
+ [Cannot-Evaluate]
+ )
+
+(host.import java/lang/Object
+ (toString [] String)
+ (getClass [] (Class Object)))
+
+(host.import java/lang/Long
+ (intValue [] Integer))
+
+(host.import org/renjin/sexp/SEXP)
+
+(host.import org/renjin/sexp/StringArrayVector
+ (getElementAsString [int] String))
+
+(host.import org/renjin/sexp/LogicalArrayVector
+ (getElementAsRawLogical [int] int))
+
+(host.import org/renjin/sexp/IntArrayVector
+ (getElementAsInt [int] int))
+
+(host.import org/renjin/sexp/DoubleArrayVector
+ (getElementAsDouble [int] double))
+
+(host.import org/renjin/sexp/ListVector
+ (length [] int)
+ (getElementAsSEXP [int] #try SEXP)
+ (getElementAsSEXP #as get-field-sexp [String] #try SEXP))
+
+(host.import org/renjin/sexp/Null)
+
+(def: (parse-tuple lux-object host-object)
+ (-> (-> Object (Error Top)) ListVector (Error Top))
+ (let [size (:! Nat (ListVector::length [] host-object))]
+ (loop [idx +0
+ output (:! (Array Top) (array.new size))]
+ (if (n/< size idx)
+ (case (ListVector::getElementAsSEXP [(:! Int idx)] host-object)
+ (#e.Error error)
+ (#e.Error error)
+
+ (#e.Success value)
+ (case (lux-object (:! Object value))
+ (#e.Error error)
+ (#e.Error error)
+
+ (#e.Success lux-value)
+ (recur (n/inc idx) (array.write idx (:! Top lux-value) output))))
+ (#e.Success output)))))
+
+(def: (parse-variant lux-object host-object)
+ (-> (-> Object (Error Top)) ListVector (Error Top))
+ (do e.Monad<Error>
+ [tag (ListVector::get-field-sexp [//.variant-tag-field] host-object)
+ flag (ListVector::get-field-sexp [//.variant-flag-field] host-object)
+ value (ListVector::get-field-sexp [//.variant-value-field] host-object)
+ value (lux-object (:! Object value))]
+ (wrap [(|> tag
+ (:! IntArrayVector)
+ (IntArrayVector::getElementAsInt [0])
+ (Long::intValue []))
+ (: Top
+ (if (host.instance? Null flag)
+ host.null
+ //.unit))
+ value])))
+
+(def: (parse-int host-object)
+ (-> ListVector (Error Int))
+ (do e.Monad<Error>
+ [high (ListVector::get-field-sexp [//.int-high-field] host-object)
+ low (ListVector::get-field-sexp [//.int-low-field] host-object)
+ #let [high (:! Nat (IntArrayVector::getElementAsInt [0] (:! IntArrayVector high)))
+ low (:! Nat (IntArrayVector::getElementAsInt [0] (:! IntArrayVector low)))]]
+ (wrap (|> high (bit.shift-left +32) (n/+ low) nat-to-int))))
+
+(def: (lux-object host-object)
+ (-> Object (Error Top))
+ (cond (host.instance? StringArrayVector host-object)
+ (#e.Success (StringArrayVector::getElementAsString [0] (:! StringArrayVector host-object)))
+
+ (host.instance? LogicalArrayVector host-object)
+ (#e.Success (i/= 1 (LogicalArrayVector::getElementAsRawLogical [0] (:! LogicalArrayVector host-object))))
+
+ (host.instance? IntArrayVector host-object)
+ (#e.Success (IntArrayVector::getElementAsInt [0] (:! IntArrayVector host-object)))
+
+ (host.instance? DoubleArrayVector host-object)
+ (#e.Success (DoubleArrayVector::getElementAsDouble [0] (:! DoubleArrayVector host-object)))
+
+ (host.instance? ListVector host-object)
+ (case (parse-int (:! ListVector host-object))
+ (#e.Error error)
+ (case (parse-variant lux-object (:! ListVector host-object))
+ (#e.Error error)
+ (parse-tuple lux-object (:! ListVector host-object))
+
+ output
+ output)
+
+ output
+ output)
+
+ ## else
+ (let [object-class (:! Text (Object::toString [] (Object::getClass [] (:! Object host-object))))
+ text-representation (:! Text (Object::toString [] (:! Object host-object)))]
+ (ex.throw Unknown-Kind-Of-Host-Object (format object-class " --- " text-representation))))
+ ## (case (python-type 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))))
+ )
+
+(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"
+ "<< " (r.expression code) "\n"
+ error))
+ ((lang.throw Cannot-Evaluate error) compiler))
+
+ (#e.Success output)
+ (case (lux-object output)
+ (#e.Success parsed-output)
+ (#e.Success [compiler parsed-output])
+
+ (#e.Error error)
+ (exec (log! (format "eval #e.Error\n"
+ "<< " (r.expression code) "\n"
+ error))
+ ((lang.throw Cannot-Evaluate error) compiler)))))))
diff --git a/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux b/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux
new file mode 100644
index 000000000..67ea089a2
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux
@@ -0,0 +1,88 @@
+(.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 [r #+ Expression Statement])))
+ [//]
+ (// [".T" runtime]
+ [".T" primitive]
+ [".T" structure]
+ [".T" reference]
+ [".T" function]
+ [".T" case]
+ [".T" procedure])
+ )
+
+(do-template [<name>]
+ [(exception: #export (<name> {message Text})
+ message)]
+
+ [Invalid-Function-Syntax]
+ [Unrecognized-Synthesis]
+ )
+
+(def: #export (translate synthesis)
+ (-> ls.Synthesis (Meta Expression))
+ (case synthesis
+ (^code [])
+ (:: macro.Monad<Meta> wrap runtimeT.unit)
+
+ (^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 [(~ singleton)])
+ (translate singleton)
+
+ (^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/r/function.jvm.lux b/new-luxc/source/luxc/lang/translation/r/function.jvm.lux
new file mode 100644
index 000000000..c42327839
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/function.jvm.lux
@@ -0,0 +1,101 @@
+(.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 [r #+ 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 (r.apply argsO+ functionO))))
+
+(def: $curried (r.var "curried"))
+
+(def: (input-declaration register)
+ (r.set! (referenceT.variable (n/inc register))
+ (|> (@@ $curried) (r.nth (|> register n/inc nat-to-int r.int)))))
+
+(def: (with-closure function-name inits function-definition)
+ (-> Text (List Expression) Statement (Meta Expression))
+ (let [$closure (r.var (format function-name "___CLOSURE"))]
+ (case inits
+ #.Nil
+ (do macro.Monad<Meta>
+ [_ (//.save function-definition)]
+ (wrap (r.global function-name)))
+
+ _
+ (do macro.Monad<Meta>
+ [_ (//.save (r.set! $closure
+ (r.function (|> (list.enumerate inits)
+ (list/map (|>> product.left referenceT.closure)))
+ ($_ r.then!
+ function-definition
+ (r.do! (r.global function-name))))))]
+ (wrap (r.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-inits! (|> (list.n/range +0 (n/dec arity))
+ (list/map input-declaration)
+ (case> #.Nil
+ r.no-op!
+
+ (#.Cons head tail)
+ (list/fold r.then! head tail)))
+ arityO (|> arity nat-to-int r.int)
+ $num_args (r.var "num_args")
+ $function (r.var function-name)
+ apply-poly (function (_ args func)
+ (r.apply (list func args) (r.global "do.call")))]]
+ (with-closure function-name closureO+
+ (r.set! $function
+ (r.function (list r.var-args)
+ ($_ r.then!
+ ## (r.set! $curried (r.apply (list (@@ r.var-args)) (r.global "list")))
+ (r.set! $curried (@@ r.var-args))
+ (r.set! $num_args (r.length (@@ $curried)))
+ (r.do!
+ (r.cond (list [(|> (@@ $num_args) (r.= arityO))
+ (r.block
+ ($_ r.then!
+ (r.set! (referenceT.variable +0) (@@ $function))
+ args-inits!
+ (r.do! bodyO)))]
+ [(|> (@@ $num_args) (r.> arityO))
+ (let [arity-args (r.slice (r.int 1) arityO (@@ $curried))
+ output-func-args (r.slice arityO (@@ $num_args) (@@ $curried))]
+ (|> (@@ $function)
+ (apply-poly arity-args)
+ (apply-poly output-func-args)))])
+ ## (|> (@@ $num_args) (r.< arityO))
+ (let [$missing (r.var "missing")]
+ (r.function (list r.var-args)
+ ($_ r.then!
+ ## (r.set! $missing (r.apply (list (@@ r.var-args)) (r.global "list")))
+ (r.set! $missing (@@ r.var-args))
+ (r.do! (|> (@@ $function)
+ (apply-poly (r.apply (list (@@ $curried) (@@ $missing))
+ (r.global "append"))))))))))))))
+ ))
diff --git a/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux b/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux
new file mode 100644
index 000000000..d0caebd80
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux
@@ -0,0 +1,37 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ (data [text]
+ text/format
+ (coll [list "list/" Functor<List>]))
+ [macro])
+ (luxc [lang]
+ (lang ["ls" synthesis]
+ (host [r #+ Expression Statement @@])))
+ [//]
+ (// [".T" reference]))
+
+(def: #export (translate-loop translate offset initsS+ bodyS)
+ (-> (-> ls.Synthesis (Meta Expression)) Nat (List ls.Synthesis) ls.Synthesis
+ (Meta Expression))
+ (do macro.Monad<Meta>
+ [loop-name (|> (macro.gensym "loop")
+ (:: @ map (|>> %code lang.normalize-name)))
+ initsO+ (monad.map @ translate initsS+)
+ bodyO (//.with-anchor [loop-name offset]
+ (translate bodyS))
+ #let [$loop-name (r.var loop-name)
+ @loop-name (@@ $loop-name)]
+ _ (//.save (r.set! $loop-name
+ (r.function (|> (list.n/range +0 (n/dec (list.size initsS+)))
+ (list/map (|>> (n/+ offset) referenceT.variable)))
+ (r.do! bodyO))))]
+ (wrap (r.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 (r.apply argsO+ (r.global loop-name)))))
diff --git a/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux
new file mode 100644
index 000000000..2afe41421
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux
@@ -0,0 +1,30 @@
+(.module:
+ lux
+ (lux [macro "meta/" Monad<Meta>])
+ (luxc (lang (host [r #+ Expression Statement])))
+ [//]
+ (// [".T" runtime]))
+
+(def: #export translate-bool
+ (-> Bool (Meta Expression))
+ (|>> r.bool meta/wrap))
+
+(def: #export translate-int
+ (-> Int (Meta Expression))
+ (|>> runtimeT.int meta/wrap))
+
+(def: #export translate-nat
+ (-> Nat (Meta Expression))
+ (|>> (:! Int) runtimeT.int meta/wrap))
+
+(def: #export translate-deg
+ (-> Deg (Meta Expression))
+ (|>> (:! Int) runtimeT.int meta/wrap))
+
+(def: #export translate-frac
+ (-> Frac (Meta Expression))
+ (|>> r.float meta/wrap))
+
+(def: #export translate-text
+ (-> Text (Meta Expression))
+ (|>> r.string meta/wrap))
diff --git a/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux
new file mode 100644
index 000000000..699c0c000
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux
@@ -0,0 +1,29 @@
+(.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 {message Text})
+ message)
+
+(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/r/procedure/common.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux
new file mode 100644
index 000000000..849093126
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux
@@ -0,0 +1,554 @@
+(.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 [r #+ 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!_ 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!_) (~ g!name))
+ (function ((~ g!_) (~ 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
+ (r.apply (list leftO rightO)
+ (r.global "identical")))
+
+(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 {message Text})
+ message)
+
+(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 runtimeT.bit//and]
+ [bit//or runtimeT.bit//or]
+ [bit//xor runtimeT.bit//xor]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [bit//shift-left runtimeT.bit//shift-left]
+ [bit//signed-shift-right runtimeT.bit//signed-shift-right]
+ [bit//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//shift-right))
+ (install "shift-right" (binary bit//signed-shift-right))
+ )))
+
+## [[Arrays]]
+(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 r.null))
+
+(def: array-procs
+ Bundle
+ (<| (prefix "array")
+ (|> (dict.new text.Hash<Text>)
+ (install "new" (unary runtimeT.array//new))
+ (install "get" (binary array//get))
+ (install "put" (trinary array//put))
+ (install "remove" (binary array//remove))
+ (install "size" (unary r.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>))]
+
+ [frac//smallest Double::MIN_VALUE r.float]
+ [frac//min (f/* -1.0 Double::MAX_VALUE) r.float]
+ [frac//max Double::MAX_VALUE r.float]
+ )
+
+(do-template [<name> <expression>]
+ [(def: (<name> _)
+ Nullary
+ <expression>)]
+
+ [nat//min runtimeT.int//zero]
+ [nat//max runtimeT.int//-one]
+
+ [int//min runtimeT.int//min]
+ [int//max runtimeT.int//max]
+
+ [deg//min runtimeT.int//zero]
+ [deg//max runtimeT.int//-one]
+ )
+
+(do-template [<name> <frac>]
+ [(def: (<name> _)
+ Nullary
+ (r.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//add runtimeT.int//+]
+ [int//sub runtimeT.int//-]
+ [int//mul runtimeT.int//*]
+ [int//div runtimeT.int///]
+ [int//rem runtimeT.int//%]
+
+ [nat//add runtimeT.int//+]
+ [nat//sub runtimeT.int//-]
+ [nat//mul runtimeT.int//*]
+ [nat//div runtimeT.nat///]
+ [nat//rem runtimeT.nat//%]
+
+ [deg//add runtimeT.int//+]
+ [deg//sub runtimeT.int//-]
+ [deg//rem runtimeT.int//-]
+ [deg//scale runtimeT.int//*]
+ [deg//mul runtimeT.deg//*]
+ [deg//div runtimeT.deg///]
+ [deg//reciprocal runtimeT.int///]
+ )
+
+(do-template [<name> <op>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<op> paramO subjectO))]
+
+ [frac//add r.+]
+ [frac//sub r.-]
+ [frac//mul r.*]
+ [frac//div r./]
+ [frac//rem r.%%]
+ [frac//= r.=]
+ [frac//< r.<]
+
+ [text//= r.=]
+ [text//< r.<]
+ )
+
+(do-template [<name> <cmp>]
+ [(def: (<name> [subjectO paramO])
+ Binary
+ (<cmp> paramO subjectO))]
+
+ [nat//= runtimeT.int//=]
+ [nat//< runtimeT.nat//<]
+
+ [int//= runtimeT.int//=]
+ [int//< runtimeT.int//<]
+
+ [deg//= runtimeT.int//=]
+ [deg//< runtimeT.nat//<]
+ )
+
+(def: (apply1 func)
+ (-> Expression (-> Expression Expression))
+ (function (_ value)
+ (r.apply (list value) func)))
+
+(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 (r.global "intToUtf8")))))))
+
+(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 runtimeT.int//to-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 runtimeT.deg//to-frac)))))
+
+(def: (frac//encode value)
+ (-> Expression Expression)
+ (r.apply (list (r.string "%f") value) (r.global "sprintf")))
+
+(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 (r.global "as.integer"))))
+ (install "encode" (unary frac//encode))
+ (install "decode" (unary runtimeT.frac//decode)))))
+
+## [[Text]]
+(def: (text//concat [subjectO paramO])
+ Binary
+ (r.apply (list subjectO paramO) (r.global "paste0")))
+
+(def: (text//char [subjectO paramO])
+ Binary
+ (runtimeT.text//char subjectO paramO))
+
+(def: (text//replace-all [textO patternO replacementO])
+ Trinary
+ (r.apply (list patternO replacementO textO) (r.global "gsub")))
+
+(def: (text//replace-once [textO patternO replacementO])
+ Trinary
+ (r.apply (list patternO replacementO textO) (r.global "sub")))
+
+(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 (r.global "nchar")) runtimeT.int//from-float)))
+ (install "hash" (unary runtimeT.text//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 (apply1 (r.global "toupper"))))
+ (install "lower" (unary (apply1 (r.global "tolower"))))
+ )))
+
+## [[Math]]
+(def: (math//pow [subject param])
+ Binary
+ (|> subject (r.** param)))
+
+(def: (math-func name)
+ (-> Text (-> Expression Expression))
+ (function (_ input)
+ (r.apply (list input) (r.global name))))
+
+(def: math-procs
+ 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//exit input)
+ (-> Expression Expression)
+ (r.apply-kw (list)
+ (list ["status" (runtimeT.int//to-float input)])
+ (r.global "quit")))
+
+(def: io-procs
+ Bundle
+ (<| (prefix "io")
+ (|> (dict.new text.Hash<Text>)
+ (install "log" (unary (apply1 (r.global "print"))))
+ (install "error" (unary (apply1 (r.global "stop"))))
+ (install "exit" (unary io//exit))
+ (install "current-time" (nullary (function (_ _)
+ (runtimeT.io//current-time! runtimeT.unit)))))))
+
+## [[Atoms]]
+(def: atom//new
+ Unary
+ (|>> [runtimeT.atom//field] (list) r.named-list))
+
+(def: atom//read
+ Unary
+ (r.nth (r.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) r.list))
+
+(def: box//read
+ Unary
+ (r.nth (r.int 1)))
+
+(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
+ (r.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/r/procedure/host.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure/host.jvm.lux
new file mode 100644
index 000000000..c1b43da2f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/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/r/reference.jvm.lux b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
new file mode 100644
index 000000000..0a1bcae1f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
@@ -0,0 +1,42 @@
+(.module:
+ lux
+ (lux [macro]
+ (data [text]
+ text/format))
+ (luxc ["&" lang]
+ (lang [".L" variable #+ Variable Register]
+ (host [r #+ Expression Statement SVar @@])))
+ [//]
+ (// [".T" runtime]))
+
+(do-template [<register> <translation> <prefix>]
+ [(def: #export (<register> register)
+ (-> Register SVar)
+ (r.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 r.var))
+
+(def: #export (translate-definition name)
+ (-> Ident (Meta Expression))
+ (:: macro.Monad<Meta> wrap (@@ (global name))))
diff --git a/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux
new file mode 100644
index 000000000..9b6d0c862
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux
@@ -0,0 +1,1023 @@
+(.module:
+ lux
+ (lux (control ["p" parser "p/" Monad<Parser>]
+ [monad #+ do])
+ (data [bit]
+ [number #+ hex]
+ text/format
+ (coll [list "list/" Monad<List>]))
+ [macro]
+ (macro [code]
+ ["s" syntax #+ syntax:])
+ [io #+ Process])
+ [//]
+ (luxc [lang]
+ (lang (host [r #+ SVar Expression Statement @@]))))
+
+(def: prefix Text "LuxRuntime")
+
+(def: #export unit Expression (r.string //.unit))
+
+(def: high (|>> int-to-nat (bit.shift-right +32) nat-to-int))
+(def: low (|>> int-to-nat (bit.and (hex "+FFFFFFFF")) nat-to-int))
+
+(def: #export (int value)
+ (-> Int Expression)
+ (r.named-list (list [//.int-high-field (r.int (high value))]
+ [//.int-low-field (r.int (low value))])))
+
+(def: (flag value)
+ (-> Bool Expression)
+ (if value
+ (r.string "")
+ r.null))
+
+(def: (variant' tag last? value)
+ (-> Expression Expression Expression Expression)
+ (r.named-list (list [//.variant-tag-field tag]
+ [//.variant-flag-field last?]
+ [//.variant-value-field value])))
+
+(def: #export (variant tag last? value)
+ (-> Nat Bool Expression Expression)
+ (variant' (r.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 (` (r.var (~ (code.text runtime))))
+ @runtime (` (@@ (~ $runtime)))
+ argsC+ (list/map code.local-symbol args)
+ argsLC+ (list/map (|>> lang.normalize-name code.text (~) (r.var) (`))
+ args)
+ declaration (` ((~ (code.local-symbol name))
+ (~+ argsC+)))
+ type (` (-> (~+ (list.repeat (list.size argsC+) (` r.Expression)))
+ r.Expression))]
+ (wrap (list (` (def: (~' #export) (~ declaration)
+ (~ type)
+ (r.apply (list (~+ argsC+)) (~ @runtime))))
+ (` (def: (~ implementation)
+ r.Statement
+ (~ (case argsC+
+ #.Nil
+ (` (r.set! (~ $runtime) (~ definition)))
+
+ _
+ (` (let [(~+ (|> (list.zip2 argsC+ argsLC+)
+ (list/map (function (_ [left right])
+ (list left right)))
+ list/join))]
+ (r.set! (~ $runtime)
+ (r.function (list (~+ argsLC+))
+ (~ definition)))))))))))))
+
+(syntax: #export (with-vars [vars (s.tuple (p.many s.local-symbol))]
+ body)
+ (wrap (list (` (let [(~+ (|> vars
+ (list/map (function (_ var)
+ (list (code.local-symbol var)
+ (` (r.var (~ (code.text (format "LRV__" (lang.normalize-name var)))))))))
+ list/join))]
+ (~ body))))))
+
+(def: high-shift (r.bit-shl (r.int 32)))
+
+(def: f2^32 (|> (r.int 1) high-shift))
+(def: f2^63 (|> (r.int 1) (r.bit-shl (r.int 63))))
+
+(def: (as-integer value)
+ (-> Expression Expression)
+ (r.apply (list value) (r.global "as.integer")))
+
+(runtime: (int//unsigned-low input)
+ (with-vars [low]
+ ($_ r.then!
+ (r.set! low (|> (@@ input) (r.nth (r.string //.int-low-field))))
+ (r.do!
+ (r.if (|> (@@ low) (r.>= (r.int 0)))
+ (@@ low)
+ (|> (@@ low) (r.+ f2^32)))))))
+
+(runtime: (int//to-float input)
+ (let [high (|> (@@ input)
+ (r.nth (r.string //.int-high-field))
+ high-shift)
+ low (|> (@@ input)
+ int//unsigned-low)]
+ (r.do! (|> high (r.+ low)))))
+
+(runtime: (int//new high low)
+ (r.do!
+ (r.named-list (list [//.int-high-field (as-integer (@@ high))]
+ [//.int-low-field (as-integer (@@ low))]))))
+
+(do-template [<name> <high> <low>]
+ [(runtime: <name>
+ (int//new (r.int <high>) (r.int <low>)))]
+
+ [int//zero 0 0]
+ [int//one 0 1]
+ [int//min (hex "80000000") 0]
+ [int//max (hex "7FFFFFFF") (hex "FFFFFFFF")]
+ )
+
+(def: int64-high (r.nth (r.string //.int-high-field)))
+(def: int64-low (r.nth (r.string //.int-low-field)))
+
+(runtime: (bit//not input)
+ (r.do! (int//new (|> (@@ input) int64-high r.bit-not)
+ (|> (@@ input) int64-low r.bit-not))))
+
+(runtime: (int//+ param subject)
+ (with-vars [sH sL pH pL
+ x00 x16 x32 x48]
+ ($_ r.then!
+ (r.set! sH (|> (@@ subject) int64-high))
+ (r.set! sL (|> (@@ subject) int64-low))
+ (r.set! pH (|> (@@ param) int64-high))
+ (r.set! pL (|> (@@ param) int64-low))
+ (let [bits16 (r.code "0xFFFF")
+ move-top-16 (r.bit-shl (r.int 16))
+ top-16 (r.bit-ushr (r.int 16))
+ bottom-16 (r.bit-and bits16)
+ split-16 (function (_ source)
+ [(|> source top-16)
+ (|> source bottom-16)])
+ split-int (function (_ high low)
+ [(split-16 high)
+ (split-16 low)])
+
+ [[s48 s32] [s16 s00]] (split-int (@@ sH) (@@ sL))
+ [[p48 p32] [p16 p00]] (split-int (@@ pH) (@@ pL))
+ new-half (function (_ top bottom)
+ (|> top bottom-16 move-top-16
+ (r.bit-or (bottom-16 bottom))))]
+ ($_ r.then!
+ (r.set! x00 (|> s00 (r.+ p00)))
+ (r.set! x16 (|> (@@ x00) top-16 (r.+ s16) (r.+ p16)))
+ (r.set! x32 (|> (@@ x16) top-16 (r.+ s32) (r.+ p32)))
+ (r.set! x48 (|> (@@ x32) top-16 (r.+ s48) (r.+ p48)))
+ (r.do! (int//new (new-half (@@ x48) (@@ x32))
+ (new-half (@@ x16) (@@ x00)))))))))
+
+(runtime: (int//= reference sample)
+ (let [comparison (: (-> (-> Expression Expression) Expression)
+ (function (_ field)
+ (|> (field (@@ sample)) (r.= (field (@@ reference))))))]
+ (r.do! (|> (comparison int64-high)
+ (r.and (comparison int64-low))))))
+
+(runtime: (int//negate input)
+ (r.do!
+ (r.if (|> (@@ input) (int//= int//min))
+ int//min
+ (|> (@@ input) bit//not (int//+ int//one)))))
+
+(runtime: int//-one
+ (int//negate int//one))
+
+(runtime: (int//- param subject)
+ (r.do! (int//+ (int//negate (@@ param)) (@@ subject))))
+
+(runtime: (int//< reference sample)
+ (with-vars [r-? s-?]
+ ($_ r.then!
+ (r.set! s-? (|> (@@ sample) int64-high (r.< (r.int 0))))
+ (r.set! r-? (|> (@@ reference) int64-high (r.< (r.int 0))))
+ (r.do! (|> (|> (@@ s-?) (r.and (r.not (@@ r-?))))
+ (r.or (|> (r.not (@@ s-?)) (r.and (@@ r-?)) r.not))
+ (r.or (|> (@@ sample)
+ (int//- (@@ reference))
+ int64-high
+ (r.< (r.int 0)))))))))
+
+(runtime: (int//from-float input)
+ (r.do!
+ (r.cond (list [(r.apply (list (@@ input)) (r.global "is.nan"))
+ int//zero]
+ [(|> (@@ input) (r.<= (r.negate f2^63)))
+ int//min]
+ [(|> (@@ input) (r.+ (r.float 1.0)) (r.>= f2^63))
+ int//max]
+ [(|> (@@ input) (r.< (r.float 0.0)))
+ (|> (@@ input) r.negate int//from-float int//negate)])
+ (int//new (|> (@@ input) (r./ f2^32))
+ (|> (@@ input) (r.%% f2^32))))))
+
+(runtime: (int//* param subject)
+ (with-vars [sH sL pH pL
+ x00 x16 x32 x48]
+ ($_ r.then!
+ (r.set! sH (|> (@@ subject) int64-high))
+ (r.set! pH (|> (@@ param) int64-high))
+ (let [negative-subject? (|> (@@ sH) (r.< (r.int 0)))
+ negative-param? (|> (@@ pH) (r.< (r.int 0)))]
+ (r.cond! (list [negative-subject?
+ (r.if! negative-param?
+ (r.do! (int//* (int//negate (@@ param))
+ (int//negate (@@ subject))))
+ (r.do! (int//negate (int//* (@@ param)
+ (int//negate (@@ subject))))))]
+
+ [negative-param?
+ (r.do! (int//negate (int//* (int//negate (@@ param))
+ (@@ subject))))])
+ ($_ r.then!
+ (r.set! sL (|> (@@ subject) int64-low))
+ (r.set! pL (|> (@@ param) int64-low))
+ (let [bits16 (r.code "0xFFFF")
+ move-top-16 (r.bit-shl (r.int 16))
+ top-16 (r.bit-ushr (r.int 16))
+ bottom-16 (r.bit-and bits16)
+ split-16 (function (_ source)
+ [(|> source top-16)
+ (|> source bottom-16)])
+ split-int (function (_ high low)
+ [(split-16 high)
+ (split-16 low)])
+ new-half (function (_ top bottom)
+ (|> top bottom-16 move-top-16
+ (r.bit-or (bottom-16 bottom))))
+
+ [[_s48 _s32] [_s16 _s00]] (split-int (@@ sH) (@@ sL))
+ [[_p48 _p32] [_p16 _p00]] (split-int (@@ pH) (@@ pL))
+ x16-top (|> (@@ x16) top-16)
+ x32-top (|> (@@ x32) top-16)]
+ (with-vars [s48 s32 s16 s00
+ p48 p32 p16 p00]
+ ($_ r.then!
+ (r.set! s48 _s48) (r.set! s32 _s32) (r.set! s16 _s16) (r.set! s00 _s00)
+ (r.set! p48 _p48) (r.set! p32 _p32) (r.set! p16 _p16) (r.set! p00 _p00)
+ (r.set! x00 (|> (@@ s00) (r.* (@@ p00))))
+ (r.set! x16 (|> (@@ x00) top-16 (r.+ (|> (@@ s16) (r.* (@@ p00))))))
+ (r.set! x32 x16-top)
+ (r.set! x16 (|> (@@ x16) bottom-16 (r.+ (|> (@@ s00) (r.* (@@ p16))))))
+ (r.set! x32 (|> (@@ x32) (r.+ x16-top) (r.+ (|> (@@ s32) (r.* (@@ p00))))))
+ (r.set! x48 x32-top)
+ (r.set! x32 (|> (@@ x32) bottom-16 (r.+ (|> (@@ s16) (r.* (@@ p16))))))
+ (r.set! x48 (|> (@@ x48) (r.+ x32-top)))
+ (r.set! x32 (|> (@@ x32) bottom-16 (r.+ (|> (@@ s00) (r.* (@@ p32))))))
+ (r.set! x48 (|> (@@ x48) (r.+ x32-top)
+ (r.+ (|> (@@ s48) (r.* (@@ p00))))
+ (r.+ (|> (@@ s32) (r.* (@@ p16))))
+ (r.+ (|> (@@ s16) (r.* (@@ p32))))
+ (r.+ (|> (@@ s00) (r.* (@@ p48))))))
+ (r.do! (int//new (new-half (@@ x48) (@@ x32))
+ (new-half (@@ x16) (@@ x00))))))
+ )))))))
+
+(def: (limit-shift! shift)
+ (-> SVar Statement)
+ (r.set! shift (|> (@@ shift) (r.bit-and (r.int 63)))))
+
+(def: (no-shift-clause shift input)
+ (-> SVar SVar [Expression Statement])
+ [(|> (@@ shift) (r.= (r.int 0)))
+ (r.do! (@@ input))])
+
+(runtime: (bit//shift-left shift input)
+ ($_ r.then!
+ (limit-shift! shift)
+ (r.cond! (list (no-shift-clause shift input)
+ [(|> (@@ shift) (r.< (r.int 32)))
+ (let [mid (|> (int64-low (@@ input)) (r.bit-ushr (|> (r.int 32) (r.- (@@ shift)))))
+ high (|> (int64-high (@@ input))
+ (r.bit-shl (@@ shift))
+ (r.bit-or mid))
+ low (|> (int64-low (@@ input))
+ (r.bit-shl (@@ shift)))]
+ (r.do! (int//new high low)))])
+ (let [high (|> (int64-high (@@ input))
+ (r.bit-shl (|> (@@ shift) (r.- (r.int 32)))))]
+ (r.do! (int//new high (r.int 0)))))))
+
+(runtime: (bit//signed-shift-right-32 shift input)
+ (let [top-bit (|> (@@ input) (r.bit-and (r.int (hex "80000000"))))]
+ (r.do! (|> (@@ input)
+ (r.bit-ushr (@@ shift))
+ (r.bit-or top-bit)))))
+
+(runtime: (bit//signed-shift-right shift input)
+ ($_ r.then!
+ (limit-shift! shift)
+ (r.cond! (list (no-shift-clause shift input)
+ [(|> (@@ shift) (r.< (r.int 32)))
+ (let [mid (|> (int64-high (@@ input)) (r.bit-shl (|> (r.int 32) (r.- (@@ shift)))))
+ high (|> (int64-high (@@ input))
+ (bit//signed-shift-right-32 (@@ shift)))
+ low (|> (int64-low (@@ input))
+ (r.bit-ushr (@@ shift))
+ (r.bit-or mid))]
+ (r.do! (int//new high low)))])
+ (let [low (|> (int64-high (@@ input))
+ (bit//signed-shift-right-32 (|> (@@ shift) (r.- (r.int 32)))))
+ high (r.if (|> (int64-high (@@ input)) (r.>= (r.int 0)))
+ (r.int 0)
+ (r.int -1))]
+ (r.do! (int//new high low))))))
+
+(runtime: (int/// param subject)
+ (let [negative? (|>> (int//< int//zero))
+ valid-division-check [(|> (@@ param) (int//= int//zero))
+ (r.stop! (r.string "Cannot divide by zero!"))]
+ short-circuit-check [(|> (@@ subject) (int//= int//zero))
+ (r.do! int//zero)]]
+ (r.cond! (list valid-division-check
+ short-circuit-check
+
+ [(|> (@@ subject) (int//= int//min))
+ (r.cond! (list [(|> (|> (@@ param) (int//= int//one))
+ (r.or (|> (@@ param) (int//= int//-one))))
+ (r.do! int//min)]
+ [(|> (@@ param) (int//= int//min))
+ (r.do! int//one)])
+ (with-vars [approximation]
+ ($_ r.then!
+ (r.set! approximation
+ (|> (@@ subject)
+ (bit//signed-shift-right (r.int 1))
+ (int/// (@@ param))
+ (bit//shift-left (r.int 1))))
+ (r.if! (|> (@@ approximation) (int//= int//zero))
+ (r.do! (r.if (negative? (@@ param))
+ int//one
+ int//-one))
+ (let [remainder (int//- (int//* (@@ param) (@@ approximation))
+ (@@ subject))]
+ (r.do! (|> remainder
+ (int/// (@@ param))
+ (int//+ (@@ approximation)))))))))]
+ [(|> (@@ param) (int//= int//min))
+ (r.do! int//zero)]
+
+ [(negative? (@@ subject))
+ (r.do! (r.if (negative? (@@ param))
+ (|> (int//negate (@@ subject))
+ (int/// (int//negate (@@ param))))
+ (|> (int//negate (@@ subject))
+ (int/// (@@ param))
+ int//negate)))]
+
+ [(negative? (@@ param))
+ (r.do! (|> (@@ param)
+ int//negate
+ (int/// (@@ subject))
+ int//negate))])
+ (with-vars [result remainder approximate approximate-result log2 approximate-remainder]
+ ($_ r.then!
+ (r.set! result int//zero)
+ (r.set! remainder (@@ subject))
+ (r.while! (|> (|> (@@ remainder) (int//< (@@ param)))
+ (r.or (|> (@@ remainder) (int//= (@@ param)))))
+ (let [calc-rough-estimate (r.apply (list (|> (int//to-float (@@ remainder)) (r./ (int//to-float (@@ param)))))
+ (r.global "floor"))
+ calc-approximate-result (int//from-float (@@ approximate))
+ calc-approximate-remainder (|> (@@ approximate-result) (int//* (@@ param)))
+ delta (r.if (|> (r.float 48.0) (r.<= (@@ log2)))
+ (r.float 1.0)
+ (r.** (|> (@@ log2) (r.- (r.float 48.0)))
+ (r.float 2.0)))]
+ ($_ r.then!
+ (r.set! approximate (r.apply (list (r.float 1.0) calc-rough-estimate)
+ (r.global "max")))
+ (r.set! log2 (let [log (function (_ input)
+ (r.apply (list input) (r.global "log")))]
+ (r.apply (list (|> (log (r.int 2))
+ (r./ (log (@@ approximate)))))
+ (r.global "ceil"))))
+ (r.set! approximate-result calc-approximate-result)
+ (r.set! approximate-remainder calc-approximate-remainder)
+ (r.while! (|> (negative? (@@ approximate-remainder))
+ (r.or (|> (@@ approximate-remainder) (int//< (@@ remainder)))))
+ ($_ r.then!
+ (r.set! approximate (|> delta (r.- (@@ approximate))))
+ (r.set! approximate-result calc-approximate-result)
+ (r.set! approximate-remainder calc-approximate-remainder)))
+ (r.set! result (|> (r.if (|> (@@ approximate-result) (int//= int//zero))
+ int//one
+ (@@ approximate-result))
+ (int//+ (@@ result))))
+ (r.set! remainder (|> (@@ remainder) (int//- (@@ approximate-remainder)))))))
+ (r.do! (@@ result))))
+ )))
+
+(runtime: (int//% param subject)
+ (let [flat (|> (@@ subject) (int/// (@@ param)) (int//* (@@ param)))]
+ (r.do! (|> (@@ subject) (int//- flat)))))
+
+(def: runtime//int
+ Runtime
+ ($_ r.then!
+ @@int//unsigned-low
+ @@int//to-float
+ @@int//new
+ @@int//zero
+ @@int//one
+ @@int//min
+ @@int//max
+ @@int//=
+ @@int//<
+ @@int//+
+ @@int//-
+ @@int//*
+ @@int///
+ @@int//%
+ @@int//negate
+ @@int//from-float))
+
+(runtime: (lux//try op)
+ (with-vars [error value]
+ (r.do! (r.try ($_ r.then!
+ (r.set! value (r.apply (list ..unit) (@@ op)))
+ (r.do! (..right (@@ value))))
+ #.None
+ (#.Some (r.function (list error)
+ (r.do! (..left (@@ error)))))
+ #.None))))
+
+(runtime: (lux//program-args program-args)
+ (with-vars [inputs value]
+ ($_ r.then!
+ (r.set! inputs ..none)
+ (<| (r.for-in! value (@@ program-args))
+ (r.set! inputs (..some (r.list (list (@@ value) (@@ inputs))))))
+ (r.do! (@@ inputs)))))
+
+(def: runtime//lux
+ Runtime
+ ($_ r.then!
+ @@lux//try
+ @@lux//program-args))
+
+(def: current-time-float
+ Expression
+ (let [raw-time (r.apply (list) (r.global "Sys.time"))]
+ (r.apply (list raw-time) (r.global "as.numeric"))))
+
+(runtime: (io//current-time! _)
+ (r.do! (|> current-time-float
+ (r.* (r.float 1_000.0))
+ int//from-float)))
+
+(def: runtime//io
+ Runtime
+ ($_ r.then!
+ @@io//current-time!))
+
+(def: minimum-index-length
+ (-> SVar Expression)
+ (|>> @@ (r.+ (r.int 1))))
+
+(def: (product-element product index)
+ (-> Expression Expression Expression)
+ (|> product (r.nth (|> index (r.+ (r.int 1))))))
+
+(def: (product-tail product)
+ (-> SVar Expression)
+ (|> (@@ product) (r.nth (r.length (@@ product)))))
+
+(def: (updated-index min-length product)
+ (-> Expression Expression Expression)
+ (|> min-length (r.- (r.length product))))
+
+(runtime: (product//left product index)
+ (let [$index_min_length (r.var "index_min_length")]
+ ($_ r.then!
+ (r.set! $index_min_length (minimum-index-length index))
+ (r.do! (r.if (|> (r.length (@@ product)) (r.> (@@ $index_min_length)))
+ ## No need for recursion
+ (product-element (@@ product) (@@ index))
+ ## Needs recursion
+ (product//left (product-tail product)
+ (updated-index (@@ $index_min_length) (@@ product))))))))
+
+(runtime: (product//right product index)
+ (let [$index_min_length (r.var "index_min_length")]
+ ($_ r.then!
+ (r.set! $index_min_length (minimum-index-length index))
+ (r.do! (r.cond (list [## Last element.
+ (|> (r.length (@@ product)) (r.= (@@ $index_min_length)))
+ (product-element (@@ product) (@@ index))]
+ [## Needs recursion
+ (|> (r.length (@@ product)) (r.< (@@ $index_min_length)))
+ (product//right (product-tail product)
+ (updated-index (@@ $index_min_length) (@@ product)))])
+ ## Must slice
+ (|> (@@ product) (r.slice-from (@@ index))))))))
+
+(runtime: (sum//get sum wanted_tag wants_last)
+ (let [no-match r.null
+ sum-tag (|> (@@ sum) (r.nth (r.string //.variant-tag-field)))
+ sum-flag (|> (@@ sum) (r.nth (r.string //.variant-flag-field)))
+ sum-value (|> (@@ sum) (r.nth (r.string //.variant-value-field)))
+ is-last? (|> sum-flag (r.= (r.string "")))
+ test-recursion (r.if is-last?
+ ## Must recurse.
+ (sum//get sum-value
+ (|> (@@ wanted_tag) (r.- sum-tag))
+ (@@ wants_last))
+ no-match)]
+ (r.do! (r.cond (list [(r.= sum-tag (@@ wanted_tag))
+ (r.if (r.= (@@ wants_last) sum-flag)
+ sum-value
+ test-recursion)]
+
+ [(|> (@@ wanted_tag) (r.> sum-tag))
+ test-recursion]
+
+ [(|> (|> (@@ wants_last) (r.= (r.string "")))
+ (r.and (|> (@@ wanted_tag) (r.< sum-tag))))
+ (variant' (|> sum-tag (r.- (@@ wanted_tag))) sum-flag sum-value)])
+
+ no-match))))
+
+(def: runtime//adt
+ Runtime
+ ($_ r.then!
+ @@product//left
+ @@product//right
+ @@sum//get
+ ))
+
+(do-template [<name> <op>]
+ [(runtime: (<name> mask input)
+ (r.do! (int//new (<op> (int64-high (@@ mask))
+ (int64-high (@@ input)))
+ (<op> (int64-low (@@ mask))
+ (int64-low (@@ input))))))]
+
+ [bit//and r.bit-and]
+ [bit//or r.bit-or]
+ [bit//xor r.bit-xor]
+ )
+
+(runtime: (bit//count-32 input)
+ (with-vars [count]
+ ($_ r.then!
+ (r.set! count (r.int 0))
+ (let [last-input-bit (|> (@@ input) (r.bit-and (r.int 1)))
+ update-count! (r.set! count (|> (@@ count) (r.+ last-input-bit)))
+ consume-input! (r.set! input (|> (@@ input) (r.bit-ushr (r.int 1))))
+ input-remaining? (|> (@@ input) (r.= (r.int 0)))]
+ (r.while! input-remaining?
+ ($_ r.then!
+ update-count!
+ consume-input!)))
+ (r.do! (@@ count)))))
+
+(runtime: (bit//count input)
+ (r.do! (int//from-float (r.+ (int64-high (@@ input))
+ (int64-low (@@ input))))))
+
+(runtime: (bit//shift-right shift input)
+ ($_ r.then!
+ (limit-shift! shift)
+ (r.cond! (list (no-shift-clause shift input)
+ [(|> (@@ shift) (r.< (r.int 32)))
+ (let [mid (|> (int64-high (@@ input)) (r.bit-shl (|> (r.int 32) (r.- (@@ shift)))))
+ high (|> (int64-high (@@ input)) (r.bit-ushr (@@ shift)))
+ low (|> (int64-low (@@ input))
+ (r.bit-ushr (@@ shift))
+ (r.bit-or mid))]
+ (r.do! (int//new high low)))]
+ [(|> (@@ shift) (r.= (r.int 32)))
+ (let [high (int64-high (@@ input))]
+ (r.do! (int//new (r.int 0) high)))])
+ (let [low (|> (int64-high (@@ input)) (r.bit-ushr (|> (@@ shift) (r.- (r.int 32)))))]
+ (r.do! (int//new (r.int 0) low))))))
+
+(def: runtime//bit
+ Runtime
+ ($_ r.then!
+ @@bit//and
+ @@bit//or
+ @@bit//xor
+ @@bit//not
+ @@bit//count-32
+ @@bit//count
+ @@bit//shift-left
+ @@bit//signed-shift-right-32
+ @@bit//signed-shift-right
+ @@bit//shift-right
+ ))
+
+(runtime: (nat//< param subject)
+ (with-vars [pH sH]
+ ($_ r.then!
+ (r.set! pH (..int64-high (@@ param)))
+ (r.set! sH (..int64-high (@@ subject)))
+ (let [lesser-high? (|> (@@ sH) (r.< (@@ pH)))
+ equal-high? (|> (@@ sH) (r.= (@@ pH)))
+ lesser-low? (|> (..int64-low (@@ subject)) (r.< (..int64-low (@@ param))))]
+ (r.do! (|> lesser-high?
+ (r.or (|> equal-high?
+ (r.and lesser-low?)))))))))
+
+(runtime: (nat/// parameter subject)
+ (let [negative? (int//< int//zero)
+ valid-division-check [(|> (@@ parameter) (int//= int//zero))
+ (r.stop! (r.string "Cannot divide by zero!"))]
+ short-circuit-check [(|> (@@ subject) (nat//< (@@ parameter)))
+ (r.do! int//zero)]]
+ (r.cond! (list valid-division-check
+ short-circuit-check
+
+ [(|> (@@ parameter)
+ (nat//< (|> (@@ subject) (bit//shift-right (r.int 1)))))
+ (r.do! int//one)])
+ (with-vars [result remainder approximate log2 approximate-result approximate-remainder delta]
+ ($_ r.then!
+ (r.set! result int//zero)
+ (r.set! remainder (@@ subject))
+ (r.while! (|> (|> (@@ remainder) (nat//< (@@ parameter)))
+ (r.or (|> (@@ remainder) (int//= (@@ parameter)))))
+ (let [rough-estimate (r.apply (list (|> (int//to-float (@@ parameter)) (r./ (int//to-float (@@ remainder)))))
+ (r.global "floor"))
+ calculate-approximate-result (int//from-float (@@ approximate))
+ calculate-approximate-remainder (int//* (@@ parameter) (@@ approximate-result))
+ delta (r.if (|> (r.float 48.0) (r.<= (@@ log2)))
+ (r.float 1.0)
+ (r.** (|> (r.float 48.0) (r.- (@@ log2)))
+ (r.float 2.0)))
+ update-approximates! ($_ r.then!
+ (r.set! approximate-result calculate-approximate-result)
+ (r.set! approximate-remainder calculate-approximate-remainder))]
+ ($_ r.then!
+ (r.set! approximate (r.apply (list (r.float 1.0) rough-estimate)
+ (r.global "max")))
+ (r.set! log2 (let [log (function (_ input)
+ (r.apply (list input) (r.global "log")))]
+ (r.apply (list (|> (log (r.int 2))
+ (r./ (log (@@ approximate)))))
+ (r.global "ceil"))))
+ update-approximates!
+ (r.while! (|> (negative? (@@ approximate-remainder))
+ (r.or (|> (@@ approximate-remainder) (int//< (@@ remainder)))))
+ ($_ r.then!
+ (r.set! approximate (|> delta (r.- (@@ approximate))))
+ update-approximates!))
+ ($_ r.then!
+ (r.set! result (|> (@@ result)
+ (int//+ (r.if (|> (@@ approximate-result) (int//= int//zero))
+ int//one
+ (@@ approximate-result)))))
+ (r.set! remainder (|> (@@ remainder) (int//- (@@ approximate-remainder))))))))
+ (r.do! (@@ result))))
+ )))
+
+(runtime: (nat//% param subject)
+ (let [flat (|> (@@ subject)
+ (nat/// (@@ param))
+ (int//* (@@ param)))]
+ (r.do! (|> (@@ subject) (int//- flat)))))
+
+(def: runtime//nat
+ Runtime
+ ($_ r.then!
+ @@nat//<
+ @@nat///
+ @@nat//%))
+
+(runtime: (deg//* param subject)
+ (with-vars [sL sH pL pH bottom middle top]
+ ($_ r.then!
+ (r.set! sL (int//from-float (int64-low (@@ subject))))
+ (r.set! sH (int//from-float (int64-high (@@ subject))))
+ (r.set! pL (int//from-float (int64-low (@@ param))))
+ (r.set! pH (int//from-float (int64-high (@@ param))))
+ (let [bottom (bit//shift-right (r.int 32)
+ (r.* (@@ pL) (@@ sL)))
+ middle (r.+ (r.* (@@ pL) (@@ sH))
+ (r.* (@@ pH) (@@ sL)))
+ top (r.* (@@ pH) (@@ sH))]
+ (r.do! (|> bottom
+ (r.+ middle)
+ (bit//shift-right (r.int 32))
+ (r.+ top)))))))
+
+(runtime: (deg//leading-zeroes input)
+ (with-vars [zeroes remaining]
+ ($_ r.then!
+ (r.set! zeroes (r.int 64))
+ (r.set! remaining (@@ input))
+ (r.while! (|> (@@ remaining) (int//= int//zero) r.not)
+ ($_ r.then!
+ (r.set! zeroes (|> (@@ zeroes) (r.- (r.int 1))))
+ (r.set! remaining (|> (@@ remaining) (bit//shift-right (r.int 1))))))
+ (r.do! (@@ zeroes)))))
+
+(runtime: (deg/// param subject)
+ (with-vars [min-shift]
+ (r.if! (|> (@@ subject) (int//= (@@ param)))
+ (r.do! int//-one)
+ ($_ r.then!
+ (r.set! min-shift
+ (r.apply (list (deg//leading-zeroes (@@ param))
+ (deg//leading-zeroes (@@ subject)))
+ (r.global "min")))
+ (let [subject' (|> (@@ subject) (bit//shift-left (@@ min-shift)))
+ param' (|> (@@ param) (bit//shift-left (@@ min-shift)) int64-low int//from-float)]
+ (r.do! (|> subject'
+ (int/// param')
+ (bit//shift-left (r.int 32)))))))))
+
+(runtime: (deg//from-frac input)
+ (with-vars [two32 shifted]
+ ($_ r.then!
+ (r.set! two32 (|> (r.float 2.0) (r.** (r.float 32.0))))
+ (r.set! shifted (|> (@@ input) (r.%% (r.float 1.0)) (r.* (@@ two32))))
+ (let [low (|> (@@ shifted) (r.%% (r.float 1.0)) (r.* (@@ two32)) as-integer)
+ high (|> (@@ shifted) as-integer)]
+ (r.do! (int//new high low))))))
+
+(runtime: (deg//to-frac input)
+ (with-vars [two32]
+ ($_ r.then!
+ (r.set! two32 f2^32)
+ (let [high (|> (int64-high (@@ input)) (r./ (@@ two32)))
+ low (|> (int64-low (@@ input)) (r./ (@@ two32)) (r./ (@@ two32)))]
+ (r.do! (|> low (r.+ high)))))))
+
+(def: runtime//deg
+ Runtime
+ ($_ r.then!
+ @@deg//*
+ @@deg//leading-zeroes
+ @@deg///
+ @@deg//from-frac
+ @@deg//to-frac))
+
+(runtime: (frac//decode input)
+ (with-vars [output]
+ ($_ r.then!
+ (r.set! output (r.apply (list (@@ input)) (r.global "as.numeric")))
+ (r.do! (r.if (|> (@@ output) (r.= r.n/a))
+ ..none
+ (..some (@@ output)))))))
+
+(def: runtime//frac
+ Runtime
+ ($_ r.then!
+ @@frac//decode))
+
+(def: inc (-> Expression Expression) (|>> (r.+ (r.int 1))))
+
+(do-template [<name> <top-cmp>]
+ [(def: (<name> top value)
+ (-> Expression Expression Expression)
+ (|> (|> value (r.>= (r.int 0)))
+ (r.and (|> value (<top-cmp> top)))))]
+
+ [within? r.<]
+ [up-to? r.<=]
+ )
+
+(def: (text-clip start end text)
+ (-> Expression Expression Expression Expression)
+ (r.apply (list text start end)
+ (r.global "substr")))
+
+(def: (text-length text)
+ (-> Expression Expression)
+ (r.apply (list text) (r.global "nchar")))
+
+(runtime: (text//index subject param start)
+ (with-vars [idx startF subjectL]
+ ($_ r.then!
+ (r.set! startF (int//to-float (@@ start)))
+ (r.set! subjectL (text-length (@@ subject)))
+ (r.do!
+ (r.if (|> (@@ startF) (within? (@@ subjectL)))
+ (r.block
+ ($_ r.then!
+ (r.set! idx (|> (r.apply-kw (list (@@ param) (r.if (|> (@@ startF) (r.= (r.int 0)))
+ (@@ subject)
+ (text-clip (inc (@@ startF))
+ (inc (@@ subjectL))
+ (@@ subject))))
+ (list ["fixed" (r.bool true)])
+ (r.global "regexpr"))
+ (r.nth (r.int 1))))
+ (r.do!
+ (r.if (|> (@@ idx) (r.= (r.int -1)))
+ ..none
+ (..some (int//from-float (|> (@@ idx) (r.+ (@@ startF)))))))))
+ ..none)))))
+
+(runtime: (text//clip text from to)
+ (with-vars [length]
+ ($_ r.then!
+ (r.set! length (r.length (@@ text)))
+ (r.do!
+ (r.if ($_ r.and
+ (|> (@@ to) (within? (@@ length)))
+ (|> (@@ from) (up-to? (@@ to))))
+ (..some (text-clip (inc (@@ from)) (inc (@@ to)) (@@ text)))
+ ..none)))))
+
+(def: (char-at idx text)
+ (-> Expression Expression Expression)
+ (r.apply (list (text-clip idx idx text))
+ (r.global "utf8ToInt")))
+
+(runtime: (text//char text idx)
+ (r.if! (|> (@@ idx) (within? (r.length (@@ text))))
+ ($_ r.then!
+ (r.set! idx (inc (@@ idx)))
+ (r.do! (..some (int//from-float (char-at (@@ idx) (@@ text))))))
+ (r.do! ..none)))
+
+(runtime: (text//hash input)
+ (let [bits-32 (r.code "0xFFFFFFFF")]
+ (with-vars [idx hash]
+ ($_ r.then!
+ (r.set! hash (r.int 0))
+ (r.for-in! idx (r.range (r.int 1) (text-length (@@ input)))
+ (r.set! hash (|> (@@ hash)
+ (r.bit-shl (r.int 5))
+ (r.- (@@ hash))
+ (r.+ (char-at (@@ idx) (@@ input)))
+ (r.bit-and bits-32))))
+ (r.do! (int//from-float (@@ hash)))))))
+
+(def: runtime//text
+ Runtime
+ ($_ r.then!
+ @@text//index
+ @@text//clip
+ @@text//char
+ @@text//hash))
+
+(def: (check-index-out-of-bounds array idx body!)
+ (-> Expression Expression Statement Statement)
+ (r.if! (|> idx (r.<= (r.length array)))
+ body!
+ (r.stop! (r.string "Array index out of bounds!"))))
+
+(runtime: (array//new size)
+ (with-vars [output]
+ ($_ r.then!
+ (r.set! output (r.list (list)))
+ (r.set-nth! (|> (@@ size) (r.+ (r.int 1)))
+ r.null
+ output)
+ (r.do! (@@ output)))))
+
+(runtime: (array//get array idx)
+ (with-vars [temp]
+ (<| (check-index-out-of-bounds (@@ array) (@@ idx))
+ ($_ r.then!
+ (r.set! temp (|> (@@ array) (r.nth (@@ idx))))
+ (r.if! (|> (@@ temp) (r.= r.null))
+ (r.do! ..none)
+ (r.do! (..some (@@ temp))))))))
+
+(runtime: (array//put array idx value)
+ (<| (check-index-out-of-bounds (@@ array) (@@ idx))
+ ($_ r.then!
+ (r.set-nth! (@@ idx) (@@ value) array)
+ (r.do! (@@ array)))))
+
+(def: runtime//array
+ Runtime
+ ($_ r.then!
+ @@array//new
+ @@array//get
+ @@array//put))
+
+(def: #export atom//field Text "lux_atom")
+
+(runtime: (atom//compare-and-swap atom old new)
+ (let [atom//field (r.string atom//field)]
+ (r.do!
+ (r.if (|> (@@ atom) (r.nth atom//field) (r.= (@@ old)))
+ (r.block
+ ($_ r.then!
+ (r.set-nth! atom//field (@@ new) atom)
+ (r.do! (r.bool true))))
+ (r.bool false)))))
+
+(def: runtime//atom
+ Runtime
+ ($_ r.then!
+ @@atom//compare-and-swap))
+
+(runtime: (box//write value box)
+ ($_ r.then!
+ (r.set-nth! (r.int 1) (@@ value) box)
+ (r.do! ..unit)))
+
+(def: runtime//box
+ Runtime
+ ($_ r.then!
+ @@box//write))
+
+(def: process//incoming
+ SVar
+ (r.var (lang.normalize-name "process//incoming")))
+
+(def: (list-append! value rlist)
+ (-> Expression SVar Statement)
+ (r.set-nth! (r.length (@@ rlist)) value rlist))
+
+(runtime: (process//loop _)
+ (let [empty (r.list (list))]
+ (with-vars [queue process]
+ (let [migrate-incoming! ($_ r.then!
+ (r.set! queue empty)
+ (<| (r.for-in! process (@@ process//incoming))
+ (list-append! (@@ process) queue))
+ (r.set! process//incoming empty))
+ consume-queue! (<| (r.for-in! process (@@ queue))
+ (r.do! (r.apply (list ..unit) (@@ process))))]
+ ($_ r.then!
+ migrate-incoming!
+ consume-queue!
+ (r.when! (|> (r.length (@@ queue)) (r.> (r.int 0)))
+ (r.do! (process//loop ..unit))))))))
+
+(runtime: (process//future procedure)
+ ($_ r.then!
+ (list-append! (@@ procedure) process//incoming)
+ (r.do! ..unit)))
+
+(runtime: (process//schedule milli-seconds procedure)
+ (let [to-seconds (|>> (r./ (r.float 1_000.0)))
+ to-millis (|>> (r.* (r.float 1_000.0)))]
+ (with-vars [start now seconds _arg elapsed-time]
+ ($_ r.then!
+ (r.set! start current-time-float)
+ (r.set! seconds (to-seconds (@@ milli-seconds)))
+ (list-append! (r.function (list _arg)
+ ($_ r.then!
+ (r.set! now current-time-float)
+ (r.set! elapsed-time (|> (@@ now) (r.- (@@ start))))
+ (r.if! (|> (@@ elapsed-time) (r.>= (@@ seconds)))
+ (r.do! (@@ procedure))
+ (r.do! (process//schedule (to-millis (@@ elapsed-time))
+ (@@ procedure))))))
+ process//incoming)
+ (r.do! ..unit)))))
+
+(def: runtime//process
+ Runtime
+ ($_ r.then!
+ (r.set! process//incoming (r.list (list)))
+ @@process//loop
+ @@process//future
+ @@process//schedule
+ ))
+
+(def: runtime
+ Runtime
+ ($_ r.then!
+ runtime//int
+ runtime//lux
+ runtime//adt
+ runtime//bit
+ runtime//nat
+ runtime//deg
+ runtime//frac
+ runtime//text
+ runtime//array
+ runtime//atom
+ runtime//box
+ runtime//io
+ runtime//process
+ ))
+
+(def: #export artifact Text (format prefix ".r"))
+
+(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/r/statement.jvm.lux b/new-luxc/source/luxc/lang/translation/r/statement.jvm.lux
new file mode 100644
index 000000000..317abcf73
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/statement.jvm.lux
@@ -0,0 +1,45 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ [macro]
+ (data text/format))
+ (luxc (lang [".L" module]
+ (host [r #+ 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 (r.set! 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"))
diff --git a/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux b/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux
new file mode 100644
index 000000000..16d144f93
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux
@@ -0,0 +1,31 @@
+(.module:
+ lux
+ (lux (control [monad #+ do])
+ (data [text]
+ text/format)
+ [macro])
+ (luxc ["&" lang]
+ (lang [synthesis #+ Synthesis]
+ (host [r #+ 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 (r.list 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/test/test/luxc/common.lux b/new-luxc/test/test/luxc/common.lux
index 49f294a68..7d4b156b8 100644
--- a/new-luxc/test/test/luxc/common.lux
+++ b/new-luxc/test/test/luxc/common.lux
@@ -33,7 +33,13 @@
(python [".T_python" expression]
[".T_python" eval]
[".T_python" runtime]
- [".T_python" statement])))))
+ [".T_python" statement])
+ [r]
+ (r [".T_r" expression]
+ [".T_r" eval]
+ [".T_r" runtime]
+ [".T_r" statement])
+ ))))
(type: #export Runner (-> Synthesis (e.Error Top)))
(type: #export Definer (-> Ident Synthesis (e.Error Top)))
@@ -50,6 +56,7 @@
[init-lua lua.init]
[init-ruby ruby.init]
[init-python python.init]
+ [init-r r.init]
)
(def: (runner translate-runtime translate-expression eval init)
@@ -92,3 +99,6 @@
(def: #export run-python (runner runtimeT_python.translate expressionT_python.translate evalT_python.eval init-python))
(def: #export def-python (definer runtimeT_python.translate expressionT_python.translate evalT_python.eval init-python statementT_python.translate-def))
+
+(def: #export run-r (runner runtimeT_r.translate expressionT_r.translate evalT_r.eval init-r))
+(def: #export def-r (definer runtimeT_r.translate expressionT_r.translate evalT_r.eval init-r statementT_r.translate-def))
diff --git a/new-luxc/test/test/luxc/lang/translation/case.lux b/new-luxc/test/test/luxc/lang/translation/case.lux
index ca960dba4..04a373e42 100644
--- a/new-luxc/test/test/luxc/lang/translation/case.lux
+++ b/new-luxc/test/test/luxc/lang/translation/case.lux
@@ -113,3 +113,7 @@
(context: "[Python] Function."
(<| (times +100)
(pattern-matching-spec run-python)))
+
+(context: "[R] Pattern-matching."
+ (<| (times +100)
+ (pattern-matching-spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/common.lux b/new-luxc/test/test/luxc/lang/translation/common.lux
index 6de3ad822..e29931667 100644
--- a/new-luxc/test/test/luxc/lang/translation/common.lux
+++ b/new-luxc/test/test/luxc/lang/translation/common.lux
@@ -729,3 +729,7 @@
(context: "[Python] Common procedures."
(<| (times +100)
(all-specs run-python)))
+
+(context: "[R] Common procedures."
+ (<| (times +100)
+ (all-specs run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/function.lux b/new-luxc/test/test/luxc/lang/translation/function.lux
index d7505bf37..105072df7 100644
--- a/new-luxc/test/test/luxc/lang/translation/function.lux
+++ b/new-luxc/test/test/luxc/lang/translation/function.lux
@@ -106,3 +106,7 @@
(context: "[Python] Function."
(<| (times +100)
(function-spec run-python)))
+
+(context: "[R] Function."
+ (<| (times +100)
+ (function-spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/primitive.lux b/new-luxc/test/test/luxc/lang/translation/primitive.lux
index 6d74d4fca..d410f29f0 100644
--- a/new-luxc/test/test/luxc/lang/translation/primitive.lux
+++ b/new-luxc/test/test/luxc/lang/translation/primitive.lux
@@ -75,3 +75,7 @@
(context: "[Python] Primitives."
(<| (times +100)
(spec run-python)))
+
+(context: "[R] Primitives."
+ (<| (times +100)
+ (spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/reference.lux b/new-luxc/test/test/luxc/lang/translation/reference.lux
index 3c2b66b2d..6f27b75f2 100644
--- a/new-luxc/test/test/luxc/lang/translation/reference.lux
+++ b/new-luxc/test/test/luxc/lang/translation/reference.lux
@@ -16,7 +16,8 @@
(js [".T_js" statement])
(lua [".T_lua" statement])
(ruby [".T_ruby" statement])
- (python [".T_python" statement]))))
+ (python [".T_python" statement])
+ (r [".T_r" statement]))))
(test/luxc common))
(def: upper-alpha-ascii
@@ -42,7 +43,8 @@
(i/= def-value (:! Int valueT))
(#e.Error error)
- false)))))
+ (exec (log! error)
+ false))))))
(def: (variables-spec run)
(-> Runner Test)
@@ -84,3 +86,7 @@
(context: "[Python] References."
(<| (times +100)
(references-spec run-python def-python)))
+
+(context: "[R] References."
+ (<| (times +100)
+ (references-spec run-r def-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/structure.lux b/new-luxc/test/test/luxc/lang/translation/structure.lux
index bd2cdcbb4..deb015727 100644
--- a/new-luxc/test/test/luxc/lang/translation/structure.lux
+++ b/new-luxc/test/test/luxc/lang/translation/structure.lux
@@ -131,3 +131,7 @@
(context: "[Python] Structures."
(<| (times +100)
(structure-spec run-python)))
+
+(context: "[R] Structures."
+ (<| (times +100)
+ (structure-spec run-r)))