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(.module:
[library
[lux #*
[abstract
[monad (#+ do)]]
[control
[pipe (#+ case>)]
["." exception (#+ exception:)]
["<>" parser
["<.>" binary (#+ Parser)]]]
[data
["." product]
["." text
["%" format (#+ format)]]
[collection
["." list]
["." row (#+ Row) ("#\." functor fold)]
["." dictionary (#+ Dictionary)]]
[format
["." binary (#+ Writer)]]]
[type
abstract]]])
(type: .public ID
Nat)
(type: .public Category
#Anonymous
(#Definition Text)
(#Analyser Text)
(#Synthesizer Text)
(#Generator Text)
(#Directive Text)
(#Custom Text))
(type: .public Artifact
{#id ID
#category Category})
(abstract: .public Registry
{}
{#artifacts (Row Artifact)
#resolver (Dictionary Text ID)}
(def: .public empty
Registry
(:abstraction {#artifacts row.empty
#resolver (dictionary.empty text.hash)}))
(def: .public artifacts
(-> Registry (Row Artifact))
(|>> :representation (value@ #artifacts)))
(def: next
(-> Registry ID)
(|>> ..artifacts row.size))
(def: .public (resource registry)
(-> Registry [ID Registry])
(let [id (..next registry)]
[id
(|> registry
:representation
(revised@ #artifacts (row.suffix {#id id
#category #Anonymous}))
:abstraction)]))
(template [<tag> <create> <fetch>]
[(def: .public (<create> name registry)
(-> Text Registry [ID Registry])
(let [id (..next registry)]
[id
(|> registry
:representation
(revised@ #artifacts (row.suffix {#id id
#category (<tag> name)}))
(revised@ #resolver (dictionary.has name id))
:abstraction)]))
(def: .public (<fetch> registry)
(-> Registry (List Text))
(|> registry
:representation
(value@ #artifacts)
row.list
(list.all (|>> (value@ #category)
(case> (<tag> name) (#.Some name)
_ #.None)))))]
[#Definition definition definitions]
[#Analyser analyser analysers]
[#Synthesizer synthesizer synthesizers]
[#Generator generator generators]
[#Directive directive directives]
[#Custom custom customs]
)
(def: .public (remember name registry)
(-> Text Registry (Maybe ID))
(|> (:representation registry)
(value@ #resolver)
(dictionary.value name)))
(def: .public writer
(Writer Registry)
(let [category (: (Writer Category)
(function (_ value)
(case value
(^template [<nat> <tag> <writer>]
[(<tag> value) ((binary.and binary.nat <writer>) [<nat> value])])
([0 #Anonymous binary.any]
[1 #Definition binary.text]
[2 #Analyser binary.text]
[3 #Synthesizer binary.text]
[4 #Generator binary.text]
[5 #Directive binary.text]
[6 #Custom binary.text]))))
artifacts (: (Writer (Row Category))
(binary.row/64 category))]
(|>> :representation
(value@ #artifacts)
(row\map (value@ #category))
artifacts)))
(exception: .public (invalid_category {tag Nat})
(exception.report
["Tag" (%.nat tag)]))
(def: .public parser
(Parser Registry)
(let [category (: (Parser Category)
(do {! <>.monad}
[tag <binary>.nat]
(case tag
(^template [<nat> <tag> <parser>]
[<nat> (\ ! map (|>> <tag>) <parser>)])
([0 #Anonymous <binary>.any]
[1 #Definition <binary>.text]
[2 #Analyser <binary>.text]
[3 #Synthesizer <binary>.text]
[4 #Generator <binary>.text]
[5 #Directive <binary>.text]
[6 #Custom <binary>.text])
_ (<>.failure (exception.error ..invalid_category [tag])))))]
(|> (<binary>.row/64 category)
(\ <>.monad map (row\fold (function (_ artifact registry)
(product.right
(case artifact
#Anonymous
(..resource registry)
(^template [<tag> <create>]
[(<tag> name)
(<create> name registry)])
([#Definition ..definition]
[#Analyser ..analyser]
[#Synthesizer ..synthesizer]
[#Generator ..generator]
[#Directive ..directive]
[#Custom ..custom])
)))
..empty)))))
)
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