262 lines
8.6 KiB
Idris
262 lines
8.6 KiB
Idris
module Tests.Parser
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import Quox.Parser
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import Data.List
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import Data.String
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import TAP
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public export
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data Failure =
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LexError Lexer.Error
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| ParseError (List1 (ParsingError Token))
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| WrongResult String
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| ExpectedFail String
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export
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ToInfo Failure where
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toInfo (LexError err) =
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[("type", "LexError"), ("info", show err)]
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toInfo (ParseError errs) =
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("type", "ParseError") ::
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map (bimap show show) ([1 .. length errs] `zip` toList errs)
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toInfo (WrongResult got) =
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[("type", "WrongResult"), ("got", got)]
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toInfo (ExpectedFail got) =
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[("type", "ExpectedFail"), ("got", got)]
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parameters {c : Bool} {auto _ : Show a} (grm : Grammar c a)
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(inp : String)
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parameters {default (ltrim inp) label : String}
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parsesWith : (a -> Bool) -> Test
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parsesWith p = test label $ do
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toks <- mapFst LexError $ lex inp
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(res, _) <- mapFst ParseError $ parse (grm <* eof) toks
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unless (p res) $ Left $ WrongResult $ show res
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parses : Test
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parses = parsesWith $ const True
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parsesAs : Eq a => a -> Test
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parsesAs exp = parsesWith (== exp)
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parameters {default "\{ltrim inp} # fails" label : String}
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parseFails : Test
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parseFails = test label $ do
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toks <- mapFst LexError $ lex inp
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either (const $ Right ()) (Left . ExpectedFail . show . fst) $
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parse (grm <* eof) toks
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export
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tests : Test
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tests = "parser" :- [
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"bound names" :- [
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parsesAs bname "_" Nothing,
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parsesAs bname "F" (Just "F"),
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parseFails bname "a.b.c"
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],
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"names" :- [
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parsesAs name "x"
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(MakeName [<] $ UN "x"),
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parsesAs name "Data.String.length"
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(MakeName [< "Data", "String"] $ UN "length"),
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parseFails name "_"
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],
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"dimensions" :- [
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parsesAs dim "0" (K Zero),
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parsesAs dim "1" (K One),
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parsesAs dim "ι" (V "ι"),
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parsesAs dim "(0)" (K Zero),
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parseFails dim "M.x",
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parseFails dim "_"
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],
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"quantities" :- [
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parsesAs qty "0" Zero,
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parsesAs qty "1" One,
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parsesAs qty "ω" Any,
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parsesAs qty "#" Any,
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parsesAs qty "(#)" Any,
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parseFails qty "anythingElse",
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parseFails qty "_"
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],
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"enum types" :- [
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parsesAs term #"{}"# (Enum []),
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parsesAs term #"{a}"# (Enum ["a"]),
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parsesAs term #"{a,}"# (Enum ["a"]),
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parsesAs term #"{a.b.c.d}"# (Enum ["a.b.c.d"]),
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parsesAs term #"{"hel lo"}"# (Enum ["hel lo"]),
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parsesAs term #"{a, b}"# (Enum ["a", "b"]),
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parsesAs term #"{a, b,}"# (Enum ["a", "b"]),
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parsesAs term #"{a, b, ","}"# (Enum ["a", "b", ","]),
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parseFails term #"{,}"#
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],
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"tags" :- [
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parsesAs term #" 'a "# (Tag "a"),
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parsesAs term #" 'abc "# (Tag "abc"),
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parsesAs term #" '"abc" "# (Tag "abc"),
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parsesAs term #" '"a b c" "# (Tag "a b c"),
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parsesAs term #" 'a b c "# (Tag "a" :@ V "b" :@ V "c")
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{label = "'a b c # application to two args"}
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],
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"universes" :- [
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parsesAs term "★₀" (TYPE 0),
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parsesAs term "★1" (TYPE 1),
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parsesAs term "★ 2" (TYPE 2),
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parsesAs term "Type₃" (TYPE 3),
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parsesAs term "Type4" (TYPE 4),
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parsesAs term "Type 100" (TYPE 100),
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parsesAs term "(Type 1000)" (TYPE 1000),
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parseFails term "Type",
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parseFails term "★"
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],
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"applications" :- [
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parsesAs term "f" (V "f"),
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parsesAs term "f.x.y" (V $ MakeName [< "f", "x"] $ UN "y"),
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parsesAs term "f x" (V "f" :@ V "x"),
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parsesAs term "f x y" (V "f" :@ V "x" :@ V "y"),
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parsesAs term "(f x) y" (V "f" :@ V "x" :@ V "y"),
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parsesAs term "f (g x)" (V "f" :@ (V "g" :@ V "x")),
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parsesAs term "f (g x) y" (V "f" :@ (V "g" :@ V "x") :@ V "y"),
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parsesAs term "f @p" (V "f" :% V "p"),
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parsesAs term "f x @p y" (V "f" :@ V "x" :% V "p" :@ V "y")
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],
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"annotations" :- [
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parsesAs term "f :: A" (V "f" :# V "A"),
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parsesAs term "f ∷ A" (V "f" :# V "A"),
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parsesAs term "f x y ∷ A B C"
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((V "f" :@ V "x" :@ V "y") :#
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(V "A" :@ V "B" :@ V "C")),
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parsesAs term "Type 0 ∷ Type 1 ∷ Type 2"
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(TYPE 0 :# (TYPE 1 :# TYPE 2))
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],
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"binders" :- [
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parsesAs term "(1·x : A) → B x" $
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Pi One (Just "x") (V "A") (V "B" :@ V "x"),
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parsesAs term "(1.x : A) -> B x" $
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Pi One (Just "x") (V "A") (V "B" :@ V "x"),
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parsesAs term "(ω·x : A) → B x" $
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Pi Any (Just "x") (V "A") (V "B" :@ V "x"),
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parsesAs term "(#.x : A) -> B x" $
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Pi Any (Just "x") (V "A") (V "B" :@ V "x"),
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parseFails term "(x : A) → B x",
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parseFails term "(1 ω·x : A) → B x",
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parsesAs term "(x : A) × B x" $
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Sig (Just "x") (V "A") (V "B" :@ V "x"),
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parsesAs term "(x : A) ** B x" $
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Sig (Just "x") (V "A") (V "B" :@ V "x"),
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parseFails term "(1·x : A) × B x"
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],
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"lambdas" :- [
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parsesAs term "λ x ⇒ x" $ Lam (Just "x") (V "x"),
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parsesAs term "λ x ⇒ x" $ Lam (Just "x") (V "x"),
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parsesAs term "fun x => x" $ Lam (Just "x") (V "x"),
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parsesAs term "δ i ⇒ x @i" $ DLam (Just "i") (V "x" :% V "i"),
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parsesAs term "dfun i => x @i" $ DLam (Just "i") (V "x" :% V "i"),
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parsesAs term "λ x y z ⇒ x z y" $
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Lam (Just "x") $ Lam (Just "y") $ Lam (Just "z") $
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V "x" :@ V "z" :@ V "y"
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],
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"pairs" :- [
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parsesAs term "(x, y)" $
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Pair (V "x") (V "y"),
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parsesAs term "(x, y, z)" $
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Pair (V "x") (Pair (V "y") (V "z")),
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parsesAs term "((x, y), z)" $
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Pair (Pair (V "x") (V "y")) (V "z"),
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parsesAs term "(f x, g @y)" $
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Pair (V "f" :@ V "x") (V "g" :% V "y"),
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parsesAs term "((x : A) × B, (0·x : C) → D)" $
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Pair (Sig (Just "x") (V "A") (V "B"))
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(Pi Zero (Just "x") (V "C") (V "D")),
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parsesAs term "(λ x ⇒ x, δ i ⇒ e @i)" $
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Pair (Lam (Just "x") (V "x"))
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(DLam (Just "i") (V "e" :% V "i")),
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parsesAs term "(x,)" (V "x"), -- i GUESS
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parseFails term "(,y)",
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parseFails term "(x,,y)"
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],
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"equality type" :- [
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parsesAs term "Eq [i ⇒ A] s t" $
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Eq (Just "i", V "A") (V "s") (V "t"),
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parsesAs term "Eq [i ⇒ A B (C @i)] (f x y) (g y z)" $
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Eq (Just "i", V "A" :@ V "B" :@ (V "C" :% V "i"))
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(V "f" :@ V "x" :@ V "y") (V "g" :@ V "y" :@ V "z"),
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parsesAs term "Eq [A] s t" $
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Eq (Nothing, V "A") (V "s") (V "t"),
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parsesAs term "s ≡ t : A" $
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Eq (Nothing, V "A") (V "s") (V "t"),
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parsesAs term "s == t : A" $
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Eq (Nothing, V "A") (V "s") (V "t"),
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parsesAs term "f x y ≡ g y z : A B C" $
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Eq (Nothing, V "A" :@ V "B" :@ V "C")
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(V "f" :@ V "x" :@ V "y") (V "g" :@ V "y" :@ V "z"),
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parseFails term "Eq",
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parseFails term "Eq s t",
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parseFails term "s ≡ t",
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parseFails term "≡"
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],
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"case" :- [
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parsesAs term
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"case1 f s return x ⇒ A x of { (l, r) ⇒ add l r }" $
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Case One (V "f" :@ V "s")
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(Just "x", V "A" :@ V "x")
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(CasePair (Just "l", Just "r")
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(V "add" :@ V "l" :@ V "r")),
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parsesAs term
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"case1 f s return x ⇒ A x of { (l, r) ⇒ add l r; }" $
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Case One (V "f" :@ V "s")
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(Just "x", V "A" :@ V "x")
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(CasePair (Just "l", Just "r")
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(V "add" :@ V "l" :@ V "r")),
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parsesAs term
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"case 1 · f s return x ⇒ A x of { (l, r) ⇒ add l r }" $
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Case One (V "f" :@ V "s")
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(Just "x", V "A" :@ V "x")
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(CasePair (Just "l", Just "r")
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(V "add" :@ V "l" :@ V "r")),
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parsesAs term
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"case1 t return A of { 'x ⇒ p; 'y ⇒ q; 'z ⇒ r }" $
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Case One (V "t")
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(Nothing, V "A")
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(CaseEnum [("x", V "p"), ("y", V "q"), ("z", V "r")]),
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parsesAs term "caseω t return A of {}" $
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Case Any (V "t") (Nothing, V "A") (CaseEnum []),
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parsesAs term "case# t return A of {}" $
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Case Any (V "t") (Nothing, V "A") (CaseEnum [])
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],
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"definitions" :- [
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parsesAs definition "defω x : (_: {a}) × {b} ≔ ('a, 'b);" $
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MkPDef Any "x" (Sig Nothing (Enum ["a"]) (Enum ["b"]))
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(Pair (Tag "a") (Tag "b")),
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parsesAs definition "def# x : (_: {a}) ** {b} ≔ ('a, 'b);" $
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MkPDef Any "x" (Sig Nothing (Enum ["a"]) (Enum ["b"]))
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(Pair (Tag "a") (Tag "b")),
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parsesAs definition "def ω·x : (_: {a}) × {b} ≔ ('a, 'b);" $
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MkPDef Any "x" (Sig Nothing (Enum ["a"]) (Enum ["b"]))
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(Pair (Tag "a") (Tag "b")),
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parsesAs definition "def x : (_: {a}) × {b} ≔ ('a, 'b);" $
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MkPDef Any "x" (Sig Nothing (Enum ["a"]) (Enum ["b"]))
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(Pair (Tag "a") (Tag "b")),
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parsesAs definition "def0 A : ★₀ ≔ {a, b, c};" $
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MkPDef Zero "A" (TYPE 0) (Enum ["a", "b", "c"]),
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parsesAs input "def0 A : ★₀ ≔ {}; def0 B : ★₁ ≔ A;" $
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[MkPDef Zero "A" (TYPE 0) (Enum []),
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MkPDef Zero "B" (TYPE 1) (V "A")]
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]
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]
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