forked from GitHub/comp-syntax-gu-mlt
44 lines
914 B
Plaintext
44 lines
914 B
Plaintext
-- live-coded MicroResEng for Lab 2
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resource MicroResEng = {
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param
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Number = Sg | Pl ;
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oper
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-- phonological patterns
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sibilant : pattern Str
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= #("s" | "x" | "ch" | "sh" | "z") ;
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vowel : pattern Str
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= #("a" | "e" | "i" | "o" | "u") ;
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-- the type of nouns
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Noun : Type = {s : Number => Str} ;
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-- worst-case paradigm
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mkNoun : (sg, pl : Str) -> Noun
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= \sg, pl -> {s = table {Sg => sg ; Pl => pl}} ;
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-- regular paradigm
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regNoun : (sg : Str) -> Noun
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= \sg -> mkNoun sg (sg + "s") ;
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-- smart paradigm
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smartNoun : (sg : Str) -> Noun
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= \sg -> case sg of {
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x + #vowel + "y" => regNoun sg ;
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x + "y" => mkNoun sg (x + "ies") ;
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x + #sibilant => mkNoun sg (sg + "es") ;
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_ => regNoun sg
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} ;
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-- overloaded paradigm for lexicographers
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mkN = overload {
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mkN : (sg : Str) -> Noun = smartNoun ;
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mkN : (sg, pl : Str) -> Noun = mkNoun ;
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} ;
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} |