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|
(.module:
[library
[lux (#- int char)
[abstract
[equivalence (#+ Equivalence)]
[hash (#+ Hash)]]
[data
["." text ("#\." hash)
["%" format (#+ format)]]
[collection
["." list ("#\." functor)]]]
[type
abstract]]]
["." // #_
[category (#+ Void Value Return Method Primitive Object Class Array Var Parameter Declaration)]
["#." descriptor]
["/#" // #_
[encoding
["#." name (#+ External)]]]])
(abstract: #export (Signature category)
Text
(def: #export signature
(-> (Signature Any) Text)
(|>> :representation))
(template [<category> <name> <descriptor>]
[(def: #export <name>
(Signature <category>)
(:abstraction (//descriptor.descriptor <descriptor>)))]
[Void void //descriptor.void]
[Primitive boolean //descriptor.boolean]
[Primitive byte //descriptor.byte]
[Primitive short //descriptor.short]
[Primitive int //descriptor.int]
[Primitive long //descriptor.long]
[Primitive float //descriptor.float]
[Primitive double //descriptor.double]
[Primitive char //descriptor.char]
)
(def: #export array
(-> (Signature Value) (Signature Array))
(|>> :representation
(format //descriptor.array_prefix)
:abstraction))
(def: #export wildcard
(Signature Parameter)
(:abstraction "*"))
(def: #export var_prefix "T")
(def: #export var
(-> Text (Signature Var))
(|>> (text.enclosed [..var_prefix //descriptor.class_suffix])
:abstraction))
(def: #export var_name
(-> (Signature Var) Text)
(|>> :representation
(text.replace_all ..var_prefix "")
(text.replace_all //descriptor.class_suffix "")))
(def: #export lower_prefix "-")
(def: #export upper_prefix "+")
(template [<name> <prefix>]
[(def: #export <name>
(-> (Signature Class) (Signature Parameter))
(|>> :representation (format <prefix>) :abstraction))]
[lower ..lower_prefix]
[upper ..upper_prefix]
)
(def: #export parameters_start "<")
(def: #export parameters_end ">")
(def: #export (class name parameters)
(-> External (List (Signature Parameter)) (Signature Class))
(:abstraction
(format //descriptor.class_prefix
(|> name ///name.internal ///name.read)
(case parameters
#.End
""
_
(format ..parameters_start
(|> parameters
(list\map ..signature)
(text.join_with ""))
..parameters_end))
//descriptor.class_suffix)))
(def: #export (declaration name variables)
(-> External (List (Signature Var)) (Signature Declaration))
(:transmutation (..class name variables)))
(def: #export as_class
(-> (Signature Declaration) (Signature Class))
(|>> :transmutation))
(def: #export arguments_start "(")
(def: #export arguments_end ")")
(def: #export exception_prefix "^")
(def: class_bound
(|> (..class "java.lang.Object" (list))
..signature
(format ":")))
(def: #export (method [type_variables inputs output exceptions])
(-> [(List (Signature Var))
(List (Signature Value))
(Signature Return)
(List (Signature Class))]
(Signature Method))
(:abstraction
(format (case type_variables
#.End
""
_
(|> type_variables
(list\map (|>> ..var_name
(text.suffix ..class_bound)))
(text.join_with "")
(text.enclosed [..parameters_start
..parameters_end])))
(|> inputs
(list\map ..signature)
(text.join_with "")
(text.enclosed [..arguments_start
..arguments_end]))
(:representation output)
(|> exceptions
(list\map (|>> :representation (format ..exception_prefix)))
(text.join_with "")))))
(implementation: #export equivalence
(All [category] (Equivalence (Signature category)))
(def: (= parameter subject)
(text\= (:representation parameter)
(:representation subject))))
(implementation: #export hash
(All [category] (Hash (Signature category)))
(def: &equivalence ..equivalence)
(def: hash (|>> :representation text\hash)))
)
|
