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(.module:
[lux (#- Definition)
[control
pipe
[monad (#+ do)]
["ex" exception (#+ exception:)]
[concurrency
["." atom (#+ Atom atom)]]]
[data
["." error (#+ Error)]
["." text ("#/." hash)
format]
[collection
["." array]
[list ("#/." functor)]
["." dictionary (#+ Dictionary)]]]
["." host (#+ import: do-to object)
[jvm
["." loader (#+ Library)]]]
["." io (#+ IO io)]
[world
[binary (#+ Binary)]]
[tool
[compiler
["." name]
[phase
["." translation]]]]]
[///
[host
["." jvm (#+ Inst Definition Host State)
["." type]
["." def]
["." inst]]]]
)
(import: org/objectweb/asm/Label)
(import: java/lang/reflect/Field
(get [#? Object] #try #? Object))
(import: (java/lang/Class a)
(getField [String] #try Field))
(import: java/lang/Object
(getClass [] (Class Object)))
(import: java/lang/ClassLoader)
(type: #export ByteCode Binary)
(def: #export value-field Text "_value")
(def: #export $Object jvm.Type (type.class "java.lang.Object" (list)))
(exception: #export (cannot-load {class Text} {error Text})
(ex.report ["Class" class]
["Error" error]))
(exception: #export (invalid-field {class Text} {field Text} {error Text})
(ex.report ["Class" class]
["Field" field]
["Error" error]))
(exception: #export (invalid-value {class Text})
(ex.report ["Class" class]))
(def: (class-value class-name class)
(-> Text (Class Object) (Error Any))
(case (Class::getField ..value-field class)
(#error.Success field)
(case (Field::get #.None field)
(#error.Success ?value)
(case ?value
(#.Some value)
(#error.Success value)
#.None
(ex.throw invalid-value class-name))
(#error.Failure error)
(ex.throw cannot-load [class-name error]))
(#error.Failure error)
(ex.throw invalid-field [class-name ..value-field error])))
(def: class-path-separator ".")
(def: (evaluate! library loader eval-class valueI)
(-> Library ClassLoader Text Inst (Error Any))
(let [bytecode-name (text.replace-all class-path-separator .module-separator eval-class)
bytecode (def.class #jvm.V1_6
#jvm.Public jvm.noneC
bytecode-name
(list) ["java.lang.Object" (list)]
(list)
(|>> (def.field #jvm.Public ($_ jvm.++F jvm.finalF jvm.staticF)
..value-field ..$Object)
(def.method #jvm.Public ($_ jvm.++M jvm.staticM jvm.strictM)
"<clinit>"
(type.method (list) #.None (list))
(|>> valueI
(inst.PUTSTATIC bytecode-name ..value-field ..$Object)
inst.RETURN))))]
(io.run (do (error.with io.monad)
[_ (loader.store eval-class bytecode library)
class (loader.load eval-class loader)]
(:: io.monad wrap (class-value eval-class class))))))
(def: (execute! library loader temp-label [class-name class-bytecode])
(-> Library ClassLoader Text Definition (Error Any))
(io.run (do (error.with io.monad)
[_ (loader.store class-name class-bytecode library)]
(loader.load class-name loader))))
(def: (define! library loader [module name] valueI)
(-> Library ClassLoader Name Inst (Error [Text Any]))
(let [class-name (format (text.replace-all .module-separator class-path-separator module)
class-path-separator (name.normalize name)
"___" (%n (text/hash name)))]
(do error.monad
[value (evaluate! library loader class-name valueI)]
(wrap [class-name value]))))
(def: #export init
(IO Host)
(io (let [library (loader.new-library [])
loader (loader.memory library)]
(: Host
(structure
(def: (evaluate! temp-label valueI)
(let [eval-class (|> temp-label name.normalize (text.replace-all " " "$"))]
(..evaluate! library loader eval-class valueI)))
(def: execute! (..execute! library loader))
(def: define! (..define! library loader)))))))
(def: #export runtime-class "LuxRuntime")
(def: #export function-class "LuxFunction")
(def: #export runnable-class "LuxRunnable")
(def: #export unit "")
(def: #export $Variant jvm.Type (type.array 1 ..$Object))
(def: #export $Tuple jvm.Type (type.array 1 ..$Object))
(def: #export $Function jvm.Type (type.class ..function-class (list)))
|
