gen-schema.rkt (initial rendering)
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(module gen-schema racket/base
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(provide (all-defined-out))
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(require preserves)
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(require preserves-schema/support)
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(require racket/match)
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(require racket/set)
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(require racket/dict)
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(struct NamedPattern-named (value) #:prefab)
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(struct NamedPattern-anonymous (value) #:prefab)
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(struct SimplePattern-any () #:prefab)
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(struct SimplePattern-atom (atomKind) #:prefab)
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(struct SimplePattern-embedded () #:prefab)
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(struct SimplePattern-lit (value) #:prefab)
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(struct SimplePattern-Ref (value) #:prefab)
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(struct NamedAlternative (variantLabel pattern) #:prefab)
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(struct Schema (version embeddedType definitions) #:prefab)
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(struct Pattern-SimplePattern (value) #:prefab)
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(struct Pattern-CompoundPattern (value) #:prefab)
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(struct CompoundPattern-rec (label fields) #:prefab)
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(struct CompoundPattern-tuple (patterns) #:prefab)
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(struct CompoundPattern-tuple* (fixed variable) #:prefab)
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(struct CompoundPattern-setof (pattern) #:prefab)
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(struct CompoundPattern-dictof (key value) #:prefab)
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(struct CompoundPattern-dict (entries) #:prefab)
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(struct Ref (module name) #:prefab)
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(struct Bundle (modules) #:prefab)
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(struct NamedSimplePattern_ (name pattern) #:prefab)
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(struct Definition-or (pattern0 pattern1 patternN) #:prefab)
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(struct Definition-and (pattern0 pattern1 patternN) #:prefab)
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(struct Definition-Pattern (value) #:prefab)
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(struct NamedSimplePattern-named (value) #:prefab)
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(struct NamedSimplePattern-anonymous (value) #:prefab)
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(struct EmbeddedTypeName-Ref (value) #:prefab)
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(struct EmbeddedTypeName-false () #:prefab)
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(struct AtomKind-Boolean () #:prefab)
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(struct AtomKind-Float () #:prefab)
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(struct AtomKind-Double () #:prefab)
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(struct AtomKind-SignedInteger () #:prefab)
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(struct AtomKind-String () #:prefab)
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(struct AtomKind-ByteString () #:prefab)
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(struct AtomKind-Symbol () #:prefab)
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(define (parse-NamedPattern input)
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(match
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input
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((app parse-NamedSimplePattern_ (and dest (not (== eof))))
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(NamedPattern-named dest))
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((app parse-Pattern (and dest (not (== eof))))
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(NamedPattern-anonymous dest))
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(_ eof)))
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(define (parse-SimplePattern input)
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(match
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input
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((and dest 'any) (SimplePattern-any))
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((and dest
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(record
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'atom
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(list (app parse-AtomKind (and $atomKind (not (== eof)))))))
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(SimplePattern-atom $atomKind))
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((and dest (record 'embedded (list))) (SimplePattern-embedded))
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((and dest (record 'lit (list $value))) (SimplePattern-lit $value))
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((app parse-Ref (and dest (not (== eof)))) (SimplePattern-Ref dest))
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(_ eof)))
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(define (parse-NamedAlternative input)
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(match
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input
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((and dest
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(list
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(and $variantLabel (? string?))
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(app parse-Pattern (and $pattern (not (== eof))))))
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(NamedAlternative $variantLabel $pattern))
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(_ eof)))
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(define (parse-Definitions input)
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(match
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input
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((parse-sequence
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dict?
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dict->list
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(cons
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(and key (? symbol?))
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(app parse-Definition (and value (not (== eof)))))
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(cons key value)
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make-immutable-hash
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dest)
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dest)
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(_ eof)))
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(define (parse-Schema input)
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(match
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input
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((and dest
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(record
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'schema
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(list
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(hash-table
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('version (app parse-Version (and $version (not (== eof)))))
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('embeddedType
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(app parse-EmbeddedTypeName (and $embeddedType (not (== eof)))))
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('definitions
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(app parse-Definitions (and $definitions (not (== eof)))))
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(_ _)
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...))))
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(Schema $version $embeddedType $definitions))
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(_ eof)))
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(define (parse-Pattern input)
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(match
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input
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((app parse-SimplePattern (and dest (not (== eof))))
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(Pattern-SimplePattern dest))
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((app parse-CompoundPattern (and dest (not (== eof))))
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(Pattern-CompoundPattern dest))
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(_ eof)))
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(define (parse-CompoundPattern input)
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(match
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input
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((and dest
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(record
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'rec
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(list
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(app parse-NamedPattern (and $label (not (== eof))))
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(app parse-NamedPattern (and $fields (not (== eof)))))))
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(CompoundPattern-rec $label $fields))
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((and dest
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(record
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'tuple
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(list
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(list*
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(list
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(app parse-NamedPattern (and $patterns (not (== eof))))
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...)))))
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(CompoundPattern-tuple $patterns))
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((and dest
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(record
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'tuple*
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(list
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(list*
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(list (app parse-NamedPattern (and $fixed (not (== eof)))) ...))
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(app parse-NamedSimplePattern (and $variable (not (== eof)))))))
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(CompoundPattern-tuple* $fixed $variable))
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((and dest
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(record
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'setof
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(list (app parse-SimplePattern (and $pattern (not (== eof)))))))
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(CompoundPattern-setof $pattern))
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((and dest
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(record
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'dictof
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(list
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(app parse-SimplePattern (and $key (not (== eof))))
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(app parse-SimplePattern (and $value (not (== eof)))))))
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(CompoundPattern-dictof $key $value))
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((and dest
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(record
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'dict
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(list
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(app parse-DictionaryEntries (and $entries (not (== eof)))))))
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(CompoundPattern-dict $entries))
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(_ eof)))
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(define (parse-Modules input)
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(match
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input
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((parse-sequence
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dict?
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dict->list
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(cons
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(app parse-ModulePath (and key (not (== eof))))
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(app parse-Schema (and value (not (== eof)))))
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(cons key value)
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make-immutable-hash
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dest)
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dest)
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(_ eof)))
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(define (parse-Ref input)
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(match
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input
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((and dest
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(record
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'ref
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(list
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(app parse-ModulePath (and $module (not (== eof))))
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(and $name (? symbol?)))))
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(Ref $module $name))
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(_ eof)))
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(define (parse-Bundle input)
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(match
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input
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((and dest
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(record
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'bundle
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(list (app parse-Modules (and $modules (not (== eof)))))))
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(Bundle $modules))
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(_ eof)))
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(define (parse-NamedSimplePattern_ input)
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(match
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input
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((and dest
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(record
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'named
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(list
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(and $name (? symbol?))
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(app parse-SimplePattern (and $pattern (not (== eof)))))))
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(NamedSimplePattern_ $name $pattern))
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(_ eof)))
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(define (parse-Definition input)
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(match
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input
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((and dest
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(record
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'or
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(list
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(list*
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(app parse-NamedAlternative (and $pattern0 (not (== eof))))
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(app parse-NamedAlternative (and $pattern1 (not (== eof))))
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(list
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(app parse-NamedAlternative (and $patternN (not (== eof))))
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...)))))
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(Definition-or $pattern0 $pattern1 $patternN))
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((and dest
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(record
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'and
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(list
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(list*
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(app parse-NamedPattern (and $pattern0 (not (== eof))))
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(app parse-NamedPattern (and $pattern1 (not (== eof))))
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(list
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(app parse-NamedPattern (and $patternN (not (== eof))))
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...)))))
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(Definition-and $pattern0 $pattern1 $patternN))
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((app parse-Pattern (and dest (not (== eof)))) (Definition-Pattern dest))
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(_ eof)))
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(define (parse-NamedSimplePattern input)
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(match
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input
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((app parse-NamedSimplePattern_ (and dest (not (== eof))))
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(NamedSimplePattern-named dest))
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((app parse-SimplePattern (and dest (not (== eof))))
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(NamedSimplePattern-anonymous dest))
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(_ eof)))
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(define (parse-EmbeddedTypeName input)
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(match
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input
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((app parse-Ref (and dest (not (== eof)))) (EmbeddedTypeName-Ref dest))
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((and dest (== '#f)) (EmbeddedTypeName-false))
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(_ eof)))
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(define (parse-ModulePath input)
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(match
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input
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((parse-sequence list? values (and item (? symbol?)) item values dest)
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dest)
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(_ eof)))
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(define (parse-AtomKind input)
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(match
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input
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((and dest 'Boolean) (AtomKind-Boolean))
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((and dest 'Float) (AtomKind-Float))
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((and dest 'Double) (AtomKind-Double))
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((and dest 'SignedInteger) (AtomKind-SignedInteger))
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((and dest 'String) (AtomKind-String))
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((and dest 'ByteString) (AtomKind-ByteString))
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((and dest 'Symbol) (AtomKind-Symbol))
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(_ eof)))
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(define (parse-DictionaryEntries input)
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(match
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input
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((parse-sequence
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dict?
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dict->list
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(cons key (app parse-NamedSimplePattern (and value (not (== eof)))))
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(cons key value)
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make-immutable-hash
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dest)
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dest)
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(_ eof)))
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(define (parse-Version input)
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(match input ((and dest (== '1)) (void)) (_ eof)))
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(define (NamedPattern->preserves input)
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(match
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input
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((NamedPattern-named src) (NamedSimplePattern_->preserves src))
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((NamedPattern-anonymous src) (Pattern->preserves src))))
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(define (SimplePattern->preserves input)
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(match
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input
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((SimplePattern-any) 'any)
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((SimplePattern-atom $atomKind)
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(record 'atom (list (AtomKind->preserves $atomKind))))
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((SimplePattern-embedded) (record 'embedded (list)))
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((SimplePattern-lit $value) (record 'lit (list $value)))
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((SimplePattern-Ref src) (Ref->preserves src))))
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(define (NamedAlternative->preserves input)
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(match
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input
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((NamedAlternative $variantLabel $pattern)
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(list $variantLabel (Pattern->preserves $pattern)))))
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(define (Definitions->preserves input)
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(match
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input
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(src
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(for/hash
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(((key value) (in-dict src)))
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(values key (Definition->preserves value))))))
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(define (Schema->preserves input)
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(match
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input
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((Schema $version $embeddedType $definitions)
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(record
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'schema
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(list
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(hash
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'version
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(Version->preserves $version)
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'embeddedType
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(EmbeddedTypeName->preserves $embeddedType)
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'definitions
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(Definitions->preserves $definitions)))))))
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(define (Pattern->preserves input)
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(match
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input
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((Pattern-SimplePattern src) (SimplePattern->preserves src))
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((Pattern-CompoundPattern src) (CompoundPattern->preserves src))))
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(define (CompoundPattern->preserves input)
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(match
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input
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((CompoundPattern-rec $label $fields)
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(record
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'rec
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(list
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(NamedPattern->preserves $label)
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(NamedPattern->preserves $fields))))
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((CompoundPattern-tuple $patterns)
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(record
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'tuple
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(list
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(list*
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(for/list
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((item (in-list $patterns)))
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(NamedPattern->preserves item))))))
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((CompoundPattern-tuple* $fixed $variable)
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(record
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'tuple*
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(list
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(list*
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(for/list ((item (in-list $fixed))) (NamedPattern->preserves item)))
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(NamedSimplePattern->preserves $variable))))
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((CompoundPattern-setof $pattern)
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(record 'setof (list (SimplePattern->preserves $pattern))))
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((CompoundPattern-dictof $key $value)
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(record
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'dictof
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(list
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(SimplePattern->preserves $key)
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(SimplePattern->preserves $value))))
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((CompoundPattern-dict $entries)
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(record 'dict (list (DictionaryEntries->preserves $entries))))))
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(define (Modules->preserves input)
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(match
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input
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(src
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(for/hash
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(((key value) (in-dict src)))
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(values (ModulePath->preserves key) (Schema->preserves value))))))
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(define (Ref->preserves input)
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(match
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input
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((Ref $module $name)
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(record 'ref (list (ModulePath->preserves $module) $name)))))
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(define (Bundle->preserves input)
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(match
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input
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((Bundle $modules)
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(record 'bundle (list (Modules->preserves $modules))))))
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(define (NamedSimplePattern_->preserves input)
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(match
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input
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((NamedSimplePattern_ $name $pattern)
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(record 'named (list $name (SimplePattern->preserves $pattern))))))
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(define (Definition->preserves input)
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(match
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input
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((Definition-or $pattern0 $pattern1 $patternN)
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(record
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'or
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(list
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(list*
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(NamedAlternative->preserves $pattern0)
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(NamedAlternative->preserves $pattern1)
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(for/list
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((item (in-list $patternN)))
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(NamedAlternative->preserves item))))))
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((Definition-and $pattern0 $pattern1 $patternN)
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(record
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'and
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(list
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(list*
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(NamedPattern->preserves $pattern0)
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(NamedPattern->preserves $pattern1)
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(for/list
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((item (in-list $patternN)))
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(NamedPattern->preserves item))))))
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((Definition-Pattern src) (Pattern->preserves src))))
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(define (NamedSimplePattern->preserves input)
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(match
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input
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((NamedSimplePattern-named src) (NamedSimplePattern_->preserves src))
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((NamedSimplePattern-anonymous src) (SimplePattern->preserves src))))
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(define (EmbeddedTypeName->preserves input)
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(match
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input
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((EmbeddedTypeName-Ref src) (Ref->preserves src))
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((EmbeddedTypeName-false) '#f)))
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(define (ModulePath->preserves input)
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(match input (src (for/list ((item (in-list src))) item))))
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(define (AtomKind->preserves input)
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(match
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input
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((AtomKind-Boolean) 'Boolean)
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((AtomKind-Float) 'Float)
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((AtomKind-Double) 'Double)
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((AtomKind-SignedInteger) 'SignedInteger)
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((AtomKind-String) 'String)
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((AtomKind-ByteString) 'ByteString)
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((AtomKind-Symbol) 'Symbol)))
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(define (DictionaryEntries->preserves input)
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(match
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input
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(src
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(for/hash
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(((key value) (in-dict src)))
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(values key (NamedSimplePattern->preserves value))))))
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(define (Version->preserves input) (match input ((? void?) '1))))
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