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(.module:
[lux #*
[abstract
[monad (#+ do)]]
[control
pipe
[cli (#+ program:)]
["." exception (#+ exception:)]
["." io (#+ IO io)]]
[data
["." maybe]
["." error (#+ Error)]
[number
["." i64]]
["." text ("#@." hash)
format]
[collection
["." array (#+ Array)]
["." list ("#@." functor)]]]
[macro
["." template]]
[world
["." file]]
["." host (#+ import: interface: do-to object)
["_" python]]
[tool
[compiler
["." name]
["." synthesis]
[phase
[macro (#+ Expander)]
["." generation
["." python
["." runtime]
["." extension]]]]
[default
["." platform (#+ Platform)]]]]]
[program
["/" compositor
["/." cli]]])
(import: #long java/lang/String)
(import: #long (java/lang/Class a))
(import: #long java/lang/Object
(new [])
(toString [] java/lang/String)
(getClass [] (java/lang/Class java/lang/Object)))
(import: #long org/python/core/PyNone)
(import: #long org/python/core/PyBoolean)
(import: #long org/python/core/PyInteger)
(import: #long org/python/core/PyLong)
(import: #long org/python/core/PyFloat)
(import: #long org/python/core/PyTuple)
(import: #long org/python/core/PyList)
(import: #long org/python/core/PyString
(new [java/lang/String]))
(import: #long org/python/core/PyObject
(asInt [] java/lang/Integer)
(asLong [] long)
(asDouble [] double)
(asString [] java/lang/String)
(__nonzero__ [] boolean)
(__getitem__ [int] #try org/python/core/PyObject)
(__getitem__ #as __getitem__dict [org/python/core/PyObject] #try org/python/core/PyObject)
(__len__ [] int))
(import: #long org/python/core/PyFunction
(__call__ [(Array org/python/core/PyObject)] org/python/core/PyObject))
(import: #long org/python/core/PyArray
(new [(java/lang/Class java/lang/Object) java/lang/Object])
(getArray [] java/lang/Object))
(import: #long org/python/util/PythonInterpreter
(new [])
(exec [String] #try void)
(eval [String] #try PyObject))
(type: Translator
(-> org/python/core/PyObject (Error Any)))
(def: (read-tuple read host-object)
(-> Translator Translator)
(let [size (|> host-object org/python/core/PyObject::__len__ .nat)]
(loop [idx 0
output (:coerce (Array Any) (array.new size))]
(if (n/< size idx)
(case (org/python/core/PyObject::__getitem__ (.int idx) host-object)
(#error.Failure error)
(#error.Failure error)
(#error.Success value)
(case (read value)
(#error.Failure error)
(#error.Failure error)
(#error.Success lux-value)
(recur (inc idx) (array.write idx lux-value output))))
(#error.Success output)))))
(exception: (unknown-kind-of-object {object java/lang/Object})
(exception.report
["Object" (java/lang/Object::toString object)]))
(def: (read-variant read host-object)
(-> Translator Translator)
(case [(org/python/core/PyObject::__getitem__ +0 host-object)
(org/python/core/PyObject::__getitem__ +1 host-object)
(org/python/core/PyObject::__getitem__ +2 host-object)]
(^or [(#error.Failure error) _ _] [_ (#error.Failure error) _] [_ _ (#error.Failure error)])
(#error.Failure error)
(^multi [(#error.Success tag) (#error.Success flag) (#error.Success value)]
[(read tag)
(#error.Success tag)]
[(read value)
(#error.Success value)])
(#error.Success [tag
(: Any
(case (host.check org/python/core/PyNone flag)
(#.Some _)
(host.null)
#.None
synthesis.unit))
value])
_
(exception.throw ..unknown-kind-of-object host-object)))
(def: (read host-object)
Translator
(`` (<| (~~ (template [<class> <processing>]
[(case (host.check <class> host-object)
(#.Some host-object)
(#error.Success (<| <processing> host-object))
_)]
[org/python/core/PyNone (new> [] [])]
[org/python/core/PyBoolean org/python/core/PyObject::__nonzero__]
[org/python/core/PyInteger org/python/core/PyObject::asInt]
[org/python/core/PyLong org/python/core/PyObject::asLong]
[org/python/core/PyFloat org/python/core/PyObject::asDouble]
[org/python/core/PyString org/python/core/PyObject::asString]
[org/python/core/PyFunction (|>)]
[org/python/core/PyArray org/python/core/PyArray::getArray]
[(Array java/lang/Object) (|>)]
))
(~~ (template [<class> <processing>]
[(case (host.check <class> host-object)
(#.Some host-object)
(<| <processing> host-object)
_)]
[org/python/core/PyTuple (..read-variant read)]
[org/python/core/PyList (..read-tuple read)]
))
(exception.throw ..unknown-kind-of-object host-object))))
(exception: (cannot-apply-a-non-function {object java/lang/Object})
(exception.report
["Non-function" (java/lang/Object::toString object)]))
(def: (ensure-macro macro)
(-> Macro (Maybe org/python/core/PyFunction))
(host.check org/python/core/PyFunction (:coerce java/lang/Object macro)))
(def: object-class
(java/lang/Class java/lang/Object)
(java/lang/Object::getClass (java/lang/Object::new)))
(def: to-host
(-> Any org/python/core/PyObject)
(|>> (:coerce java/lang/Object) (org/python/core/PyArray::new ..object-class)))
(def: (call-macro inputs lux macro)
(-> (List Code) Lux org/python/core/PyFunction (Error (Error [Lux (List Code)])))
(<| :assume
..read
(org/python/core/PyFunction::__call__ (|> (host.array org/python/core/PyObject 2)
(host.array-write 0 (..to-host inputs))
(host.array-write 1 (..to-host lux)))
macro)))
(def: (expander macro inputs lux)
Expander
(case (ensure-macro macro)
(#.Some macro)
(case (call-macro inputs lux macro)
(#error.Success output)
(|> output
(:coerce org/python/core/PyObject)
..read
(:coerce (Error (Error [Lux (List Code)]))))
(#error.Failure error)
(#error.Failure error))
#.None
(exception.throw cannot-apply-a-non-function (:coerce java/lang/Object macro)))
)
(def: separator "___")
(type: Host
(generation.Host (_.Expression Any) (_.Statement Any)))
(def: host
(IO Host)
(io (let [interpreter (org/python/util/PythonInterpreter::new)
evaluate! (: (-> Text (_.Expression Any) (Error Any))
(function (evaluate! alias input)
(do error.monad
[output (org/python/util/PythonInterpreter::eval (_.code input) interpreter)]
(..read output))))
execute! (: (-> Text (_.Statement Any) (Error Any))
(function (execute! alias input)
(do error.monad
[_ (org/python/util/PythonInterpreter::exec (_.code input) interpreter)]
(wrap []))))]
(: Host
(structure
(def: evaluate! evaluate!)
(def: execute! execute!)
(def: (define! [module name] input)
(let [global (format (text.replace-all .module-separator ..separator module)
..separator (name.normalize name)
"___" (%n (text@hash name)))
@global (_.var global)]
(do error.monad
[#let [definition (_.set (list @global) input)]
_ (execute! global definition)
value (evaluate! global @global)]
(wrap [global value definition])))))))))
(def: platform
(IO (Platform IO _.SVar (_.Expression Any) (_.Statement Any)))
(do io.monad
[host ..host]
(wrap {#platform.&monad io.monad
#platform.&file-system file.system
#platform.host host
#platform.phase python.generate
#platform.runtime runtime.generate})))
(def: (program program)
(-> (_.Expression Any) (_.Statement Any))
($_ _.then
(_.import "sys")
(_.when (_.= (_.string "__main__") (_.var "__name__"))
(_.statement (_.apply/2 program
(runtime.lux//program-args (|> (_.var "sys") (_.the "argv")))
_.none)))))
(program: [{service /cli.service}]
(/.compiler ..expander
..platform
extension.bundle
..program
service))
|
