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|
(.module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:])
(concurrency ["P" promise]
["T" task])
(data ["e" error]
[text "text/" Hash<Text>]
text/format
(coll [list "list/" Functor<List>]
[dict]))
[macro]
(lang [syntax #+ Aliases]
(type ["tc" check]))
[host]
[io #+ IO Process io]
(world [file #+ File]))
(luxc ["&" lang]
["&." io]
(lang [".L" module]
[".L" host]
[".L" macro]
(host ["$" jvm])
(analysis [".A" expression]
[".A" common])
(synthesis [".S" expression])
(translation [".T" runtime]
[".T" statement]
[".T" common]
[".T" expression]
[".T" eval]
[".T" imports])
["&." eval])
))
(def: analyse
(&.Analyser)
(expressionA.analyser &eval.eval))
(exception: #export Macro-Expansion-Failed)
(exception: #export Unrecognized-Statement)
(exception: #export Invalid-Alias)
(def: (process-annotations annsC)
(-> Code (Meta [$.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: (switch-compiler new-compiler)
(-> Compiler (Meta Aliases))
(function [old-compiler]
((do macro.Monad<Meta>
[this macro.current-module]
(wrap (|> this (get@ #.module-aliases) (dict.from-list text.Hash<Text>) (: Aliases))))
new-compiler)))
(def: (ensure-valid-alias def-name annotations value)
(-> Text Code Code (Meta Unit))
(case [annotations value]
(^multi [[_ (#.Record pairs)] [_ (#.Symbol _)]]
(|> pairs list.size (n/= +1)))
(:: macro.Monad<Meta> wrap [])
_
(&.throw Invalid-Alias def-name)))
(def: #export (translate translate-module aliases code)
(-> (-> Text Compiler (Process Compiler)) Aliases Code (Meta Aliases))
(case code
(^code ((~ [_ (#.Symbol macro-name)]) (~+ args)))
(do macro.Monad<Meta>
[?macro (&.with-error-tracking
(macro.find-macro macro-name))]
(case ?macro
(#.Some macro)
(do @
[expansion (: (Meta (List Code))
(function [compiler]
(case (macroL.expand macro args compiler)
(#e.Error error)
((&.throw Macro-Expansion-Failed error) compiler)
output
output)))
expansion-aliases (monad.map @ (translate translate-module aliases) expansion)]
(if (dict.empty? aliases)
(loop [expansion-aliases expansion-aliases]
(case expansion-aliases
#.Nil
(wrap aliases)
(#.Cons head tail)
(if (dict.empty? head)
(recur tail)
(wrap head))))
(wrap aliases)))
#.None
(&.throw Unrecognized-Statement (%code 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)]
(case (macro.get-symbol-ann (ident-for #.alias) annsV)
(#.Some real-def)
(do @
[_ (ensure-valid-alias def-name annsV valueC)
_ (&.with-scope
(statementT.translate-def def-name Void id annsI annsV))]
(wrap aliases))
#.None
(do @
[[_ 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))
## #let [_ (if (or (text/= "string~" def-name))
## (log! (format "{" def-name "}\n"
## " TYPE: " (%type valueT) "\n"
## " ANALYSIS: " (%code valueA) "\n"
## "SYNTHESIS: " (%code (expressionS.synthesize valueA))))
## [])]
valueI (expressionT.translate (expressionS.synthesize valueA))
_ (&.with-scope
(statementT.translate-def def-name valueT valueI annsI annsV))]
(wrap aliases))))))
(^code ("lux module" (~ annsC)))
(do macro.Monad<Meta>
[[annsI annsV] (process-annotations annsC)
process (importsT.translate-imports translate-module annsV)]
(case (io.run process)
(#e.Success compiler')
(switch-compiler compiler')
(#e.Error error)
(macro.fail error)))
(^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)]
(wrap aliases))
_
(&.throw Unrecognized-Statement (%code code))))
(def: (forgive-eof action)
(-> (Meta Unit) (Meta Unit))
(function [compiler]
(case (action compiler)
(#e.Error error)
(if (ex.match? syntax.End-Of-File error)
(#e.Success [compiler []])
(#e.Error error))
output
output)))
(def: #export 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: (read current-module aliases)
(-> Text Aliases (Meta Code))
(function [compiler]
(case (syntax.read current-module aliases (get@ #.source compiler))
(#e.Error error)
(#e.Error error)
(#e.Success [source' output])
(#e.Success [(set@ #.source source' compiler)
output]))))
(def: #export (translate-module source-dirs target-dir module-name compiler)
(-> (List File) File Text Compiler (Process Compiler))
(do io.Monad<Process>
[## _ (&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)
translate-module (translate-module source-dirs target-dir)]]
(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]
(forgive-eof
(loop [aliases (: Aliases
(dict.new text.Hash<Text>))]
(do @
[code (read module-name aliases)
#let [[cursor _] code]
aliases' (&.with-cursor cursor
(translate translate-module aliases code))]
(forgive-eof (recur aliases'))))))))]
(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)
(io.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 (for {"JVM" "JVM"
"JS" "JS"})
#.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 (format hostL.runtime-class ".class") runtime-bc)
_ (&io.write-file target (format hostL.function-class ".class") function-bc)]
(wrap compiler)))
(: (T.Task Compiler))
(:: @ map (|>> (translate-module sources target prelude) P.future)) (:: @ join)
(:: @ map (|>> (translate-module sources target program) P.future)) (:: @ join))
#let [_ (log! "Compilation complete!")]]
(wrap [])))
|
