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|
(.module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:])
(concurrency ["P" promise]
["T" task])
(data [product]
["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 [blob #+ Blob]
[file #+ File]))
(luxc ["&" lang]
["&." io]
[cache]
[cache/description]
[cache/io]
(lang [".L" module]
[".L" host]
[".L" macro]
[".L" extension]
(extension [".E" analysis]
[".E" synthesis]
[".E" translation]
[".E" statement])
(host ["$" jvm])
(analysis [".A" expression]
[".A" common])
(synthesis [".S" expression])
(translation [".T" runtime]
[".T" statement]
[".T" common #+ Artifacts]
[".T" expression]
[".T" eval]
[".T" imports])
["&." eval])
))
(def: analyse
(&.Analyser)
(expressionA.analyser &eval.eval))
(exception: #export Macro-Expansion-Failed)
(exception: #export Unrecognized-Statement)
(exception: #export Invalid-Macro)
(def: (process-annotations annsC)
(-> Code (Meta [$.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: #export (translate translate-module aliases code)
(-> (-> Text Compiler (Process Compiler)) Aliases Code (Meta Aliases))
(case code
(^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 ((~ [_ (#.Text statement)]) (~+ argsC+)))
(do macro.Monad<Meta>
[statement (extensionL.find-statement statement)
_ (statement argsC+)]
(wrap aliases))
(^code ((~ macroC) (~+ argsC+)))
(do macro.Monad<Meta>
[[_ macroA] (&.with-scope
(&.with-type Macro
(analyse macroC)))
[_macroT _macroM _macroV] (case macroA
[_ (#.Symbol macro-name)]
(&.with-error-tracking
(macro.find-def macro-name))
_
(&.throw Invalid-Macro (%code code)))
expansion (: (Meta (List Code))
(function [compiler]
(case (macroL.expand (:! Macro _macroV) argsC+ compiler)
(#e.Error error)
((&.throw Macro-Expansion-Failed error) compiler)
output
output)))
expansion-aliases (monad.map @ (translate translate-module aliases) expansion)]
(wrap (if (dict.empty? aliases)
(loop [expansion-aliases expansion-aliases]
(case expansion-aliases
#.Nil
aliases
(#.Cons head tail)
(if (dict.empty? head)
(recur tail)
head)))
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]))))
(for {"JVM" (as-is (host.import java/lang/String
(getBytes [String] #try (Array byte)))
(def: text-to-blob
(-> Text Blob)
(|>> (:! String)
(String::getBytes ["UTF-8"])
e.assume)))})
(def: (write-module target-dir file-name module-name module artifacts)
(-> File Text Text Module Artifacts (Process Unit))
(do io.Monad<Process>
[_ (monad.map @ (product.uncurry (&io.write target-dir))
(dict.entries artifacts))]
(&io.write target-dir
(format module-name "/" cache.descriptor-name)
(text-to-blob (%code (cache/description.write file-name module))))))
(def: no-aliases Aliases (dict.new text.Hash<Text>))
(def: #export (translate-module source-dirs target-dir module-name compiler)
(-> (List File) File Text Compiler (Process Compiler))
(do io.Monad<Process>
[[file-name file-content] (&io.read 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>
[[module artifacts _] (moduleL.with-module module-hash module-name
(commonT.with-artifacts
(with-active-compilation [module-name
file-name
file-content]
(forgive-eof
(loop [aliases no-aliases]
(do @
[code (read module-name aliases)
#let [[cursor _] code]
aliases' (&.with-cursor cursor
(translate translate-module aliases code))]
(forgive-eof (recur aliases'))))))))]
(wrap [module artifacts])))
(#e.Success [compiler [module artifacts]])
(do @
[_ (&io.prepare-module target-dir module-name)
_ (write-module target-dir file-name module-name module 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 .dummy-cursor
#.current-module #.None
#.modules (list)
#.scopes (list)
#.type-context init-type-context
#.expected #.None
#.seed +0
#.scope-type-vars (list)
#.extensions (:! Void extensionL.fresh)
#.host (:! Void host)})
(def: (initialize sources target)
(-> (List File) File (Process Compiler))
(do io.Monad<Process>
[compiler (: (Process Compiler)
(case (runtimeT.translate (init-compiler (io.run hostL.init-host)))
(#e.Error error)
(io.fail error)
(#e.Success [compiler [runtime-bc function-bc]])
(do @
[_ (&io.prepare-target target)
_ (&io.write target (format hostL.runtime-class ".class") runtime-bc)
_ (&io.write target (format hostL.function-class ".class") function-bc)
_ (cache/io.pre-load sources target (commonT.load-definition compiler))]
(wrap (set@ #.extensions
(:! Void
{#extensionL.analysis analysisE.defaults
#extensionL.synthesis synthesisE.defaults
#extensionL.translation translationE.defaults
#extensionL.statement statementE.defaults})
compiler)))))]
(translate-module sources target prelude compiler)))
(def: #export (translate-program sources target program)
(-> (List File) File Text (Process Unit))
(do io.Monad<Process>
[compiler (initialize sources target)
_ (translate-module sources target program compiler)
## _ (cache/io.clean target ...)
#let [_ (log! "Compilation complete!")]]
(wrap [])))
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