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(;module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:])
(concurrency ["T" task])
(data ["e" error]
[text "text/" Hash<Text>]
text/format
(coll [dict]))
[macro]
(lang [syntax]
(type ["tc" check]))
[host]
[io]
(world [file #+ File]))
(luxc ["&" lang]
["&;" io]
(lang [";L" module]
[";L" host]
[";L" macro]
(host ["$" jvm])
(analysis [";A" expression]
[";A" common])
(synthesis [";S" expression])
(translation [";T" runtime]
[";T" statement]
[";T" common]
[";T" expression]
[";T" eval])
["&;" eval])
))
(def: analyse
(&;Analyser)
(expressionA;analyser &eval;eval))
(exception: #export Macro-Expansion-Failed)
(exception: #export Unrecognized-Statement)
(def: (process-annotations annsC)
(-> Code (Meta [$;Inst Code]))
(do macro;Monad<Meta>
[[_ annsA] (&;with-scope
(&;with-type Code
(analyse annsC)))
annsI (expressionT;translate (expressionS;synthesize annsA))
annsV (evalT;eval annsI)]
(wrap [annsI (:! Code annsV)])))
(def: (translate code)
(-> Code (Meta Unit))
(case code
(^code ("lux def" (~ [_ (#;Symbol ["" def-name])]) (~ valueC) (~ annsC)))
(hostL;with-context def-name
(&;with-fresh-type-env
(do macro;Monad<Meta>
[[annsI annsV] (process-annotations annsC)
[_ valueT valueA] (&;with-scope
(if (macro;type? (:! Code annsV))
(do @
[valueA (&;with-type Type
(analyse valueC))]
(wrap [Type valueA]))
(commonA;with-unknown-type
(analyse valueC))))
valueT (&;with-type-env
(tc;clean valueT))
valueI (expressionT;translate (expressionS;synthesize valueA))
_ (&;with-scope
(statementT;translate-def def-name valueT valueI annsI annsV))]
(wrap []))))
(^code ("lux program" (~ [_ (#;Symbol ["" program-args])]) (~ programC)))
(do macro;Monad<Meta>
[[_ programA] (&;with-scope
(&;with-type (type (io;IO Unit))
(analyse programC)))
programI (expressionT;translate (expressionS;synthesize programA))]
(statementT;translate-program program-args programI))
(^code ("lux module" (~ annsC)))
(do macro;Monad<Meta>
[[annsI annsV] (process-annotations annsC)]
(&;fail (%code annsV)))
(^code ((~ [_ (#;Symbol macro-name)]) (~@ args)))
(do macro;Monad<Meta>
[macro-name (macro;normalize macro-name)
[def-type def-anns def-value] (macro;find-def macro-name)]
(if (macro;macro? def-anns)
(do @
[expansion (function [compiler]
(case (macroL;expand (:! Macro def-value) args compiler)
(#e;Success [compiler' output])
(#e;Success [compiler' output])
(#e;Error error)
((&;throw Macro-Expansion-Failed error) compiler)))
_ (monad;map @ translate expansion)]
(wrap []))
(&;throw Unrecognized-Statement (%code code))))
_
(&;throw Unrecognized-Statement (%code code))))
(def: (exhaust action)
(All [a] (-> (Meta a) (Meta Unit)))
(function [compiler]
(case (action compiler)
(#e;Success [compiler' _])
((exhaust action) compiler')
(#e;Error error)
(if (ex;match? syntax;End-Of-File error)
(#e;Success [compiler []])
(#e;Error error)))))
(def: prelude Text "lux")
(def: (with-active-compilation [module-name file-name source-code] action)
(All [a] (-> [Text Text Text] (Meta a) (Meta a)))
(do macro;Monad<Meta>
[#let [init-cursor [file-name +1 +0]]
output (&;with-source-code [init-cursor +0 source-code]
action)
_ (moduleL;flag-compiled! module-name)]
(wrap output)))
(def: (parse current-module)
(-> Text (Meta Code))
(function [compiler]
(case (syntax;parse current-module (get@ #;source compiler))
(#e;Error error)
(#e;Error error)
(#e;Success [source' output])
(#e;Success [(set@ #;source source' compiler)
output]))))
(def: (translate-module source-dirs target-dir module-name compiler)
(-> (List File) File Text Compiler (T;Task Compiler))
(do T;Monad<Task>
[_ (&io;prepare-module target-dir module-name)
[file-name file-content] (&io;read-module source-dirs module-name)
#let [module-hash (text/hash file-content)]]
(case (macro;run' compiler
(do macro;Monad<Meta>
[[_ artifacts _] (moduleL;with-module module-hash module-name
(commonT;with-artifacts
(with-active-compilation [module-name
file-name
file-content]
(exhaust
(do @
[code (parse module-name)
#let [[cursor _] code]]
(&;with-cursor cursor
(translate code)))))))]
(wrap artifacts)))
(#e;Success [compiler artifacts])
(do @
[_ (monad;map @ (function [[class-name class-bytecode]]
(&io;write-file target-dir class-name class-bytecode))
(dict;entries artifacts))]
(wrap compiler))
(#e;Error error)
(T;fail error))))
(def: init-cursor Cursor ["" +1 +0])
(def: #export init-type-context
Type-Context
{#;ex-counter +0
#;var-counter +0
#;var-bindings (list)})
(def: #export init-info
Info
{#;target "JVM"
#;version &;version
#;mode #;Build})
(def: #export (init-compiler host)
(-> commonT;Host Compiler)
{#;info init-info
#;source [init-cursor +0 ""]
#;cursor init-cursor
#;current-module #;None
#;modules (list)
#;scopes (list)
#;type-context init-type-context
#;expected #;None
#;seed +0
#;scope-type-vars (list)
#;host (:! Void host)})
(def: #export (translate-program sources target program)
(-> (List File) File Text (T;Task Unit))
(do T;Monad<Task>
[compiler (|> (case (runtimeT;translate (init-compiler (io;run hostL;init-host)))
(#e;Error error)
(T;fail error)
(#e;Success [compiler [runtime-bc function-bc]])
(do @
[_ (&io;prepare-target target)
_ (&io;write-file target hostL;runtime-class runtime-bc)
_ (&io;write-file target hostL;function-class function-bc)]
(wrap compiler)))
(: (T;Task Compiler))
(:: @ map (translate-module sources target prelude)) (:: @ join)
(:: @ map (translate-module sources target program)) (:: @ join))
#let [_ (log! "Compilation complete!")]]
(wrap [])))
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