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(;module:
lux
(lux (control monad)
(concurrency ["P" promise])
(data ["E" error]
[text "T/" Hash<Text>]
text/format)
[macro #+ Monad<Lux>])
(luxc ["&" base]
["&;" io]
["&;" module]
["&;" parser]
(compiler ["&&;" runtime]
["&&;" statement])
))
(def: (compile ast)
(-> AST (Lux Unit))
(case ast
(^ [_ (#;Form (list [_ (#;Symbol ["" "_lux_def"])]
[_ (#;Symbol ["" def-name])]
def-value
def-meta))])
(&&statement;compile-def def-name def-value def-meta)
(^ [_ (#;Form (list [_ (#;Symbol ["" "_lux_program"])]
[_ (#;Symbol ["" prog-args])]
prog-body))])
(&&statement;compile-program prog-args prog-body)
_
(&;fail (format "Unrecognized statement: " (%ast ast)))))
(def: (exhaust action)
(All [a] (-> (Lux a) (Lux Unit)))
(do Monad<Lux>
[result action]
(exhaust action)))
(def: (ensure-new-module! file-hash module-name)
(-> Nat Text (Lux Unit))
(do Monad<Lux>
[module-exists? (macro;module-exists? module-name)
_ (: (Lux Unit)
(if module-exists?
(&;fail (format "Cannot re-define a module: " module-name))
(wrap [])))
_ (&module;create file-hash module-name)]
(wrap [])))
(def: prelude Text "lux")
(def: (with-active-compilation [module-name file-name source-code] action)
(All [a] (-> [Text Text Text] (Lux a) (Lux a)))
(do Monad<Lux>
[_ (ensure-new-module! (T/hash source-code) module-name)
#let [init-cursor [file-name +0 +0]]
output (&;with-source-code [init-cursor source-code]
action)
_ (&module;flag-compiled! module-name)]
(wrap output)))
(def: parse
(Lux AST)
(function [compiler]
(case (&parser;parse (get@ #;source compiler))
(#E;Error error)
(#E;Error error)
(#E;Success [source' output])
(#E;Success [(set@ #;source source' compiler)
output]))))
(def: (compile-module source-dirs module-name compiler)
(-> (List &;Path) Text Compiler (P;Promise (E;Error Compiler)))
(do P;Monad<Promise>
[?input (&io;read-module source-dirs module-name)]
(case ?input
(#E;Success [file-name file-content])
(let [compilation (do Monad<Lux>
[_ (with-active-compilation [module-name
file-name
file-content]
(exhaust
(do @
[ast parse]
(compile ast))))]
(wrap [])
## (&module;generate-descriptor module-name)
)]
(case (macro;run' compiler compilation)
(#E;Success [compiler module-descriptor])
(do @
[## _ (&io;write-module module-name module-descriptor)
]
(wrap (#E;Success compiler)))
(#E;Error error)
(wrap (#E;Error error))))
(#E;Error error)
(wrap (#E;Error error)))))
(type: Host Unit)
(def: init-host Host [])
(def: init-cursor Cursor ["" +0 +0])
(def: init-type-context
Type-Context
{#;ex-counter +0
#;var-counter +0
#;var-bindings (list)})
(def: compiler-version Text "0.6.0")
(def: init-compiler-info
Compiler-Info
{#;compiler-version compiler-version
#;compiler-mode #;Build})
(def: (init-compiler host)
(-> Host Compiler)
{#;info init-compiler-info
#;source [init-cursor ""]
#;cursor init-cursor
#;modules (list)
#;scopes (list)
#;type-context init-type-context
#;expected #;None
#;seed +0
#;scope-type-vars (list)
#;host (:! Void host)})
(def: (or-crash! action)
(All [a] (-> (P;Promise (E;Error a)) (P;Promise a)))
(do P;Monad<Promise>
[?output action]
(case ?output
(#E;Error error)
(error! error)
(#E;Success output)
(wrap output))))
(def: #export (compile-program program target sources)
(-> &;Path &;Path (List &;Path) (P;Promise Unit))
(do P;Monad<Promise>
[#let [compiler (init-compiler init-host)]
_ (or-crash! (&&runtime;compile-runtime []))
compiler (or-crash! (compile-module sources prelude compiler))
compiler (or-crash! (compile-module sources program compiler))
#let [_ (log! "Compilation complete!")]]
(wrap [])))
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