78 lines
1.8 KiB
Idris
78 lines
1.8 KiB
Idris
module Tests.Parser
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import Quox.Syntax
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import Quox.Parser
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import Quox.Lexer
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import Tests.Lexer
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import Data.SnocVect
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import Text.Parser
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import TAP
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export
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Show tok => ToInfo (ParsingError tok) where
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toInfo (Error msg Nothing) = [("msg", msg)]
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toInfo (Error msg (Just loc)) = [("loc", show loc), ("msg", msg)]
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numberErrs : List1 Info -> Info
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numberErrs (head ::: []) = head
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numberErrs (head ::: tail) = go 0 (head :: tail) where
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number1 : Nat -> Info -> Info
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number1 n = map $ \(k, v) => (show n ++ k, v)
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go : Nat -> List Info -> Info
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go k [] = []
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go k (x :: xs) = number1 k x ++ go (S k) xs
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export
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ToInfo Parser.Error where
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toInfo (Lex err) = toInfo err
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toInfo (Parse errs) = numberErrs $ map toInfo errs
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toInfo (Leftover toks) = toInfo [("leftover", toks)]
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RealError = Quox.Parser.Error
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%hide Lexer.RealError
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%hide Quox.Parser.Error
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data Error a
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= Parser RealError
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| Unexpected a a
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| ShouldFail a
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export
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Show a => ToInfo (Error a) where
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toInfo (Parser err) = toInfo err
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toInfo (Unexpected exp got) = toInfo $
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[("expected", exp), ("received", got)]
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toInfo (ShouldFail got) = toInfo [("success", got)]
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parameters {c : Bool} (grm : Grammar c a) (input : String)
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parses : (Show a, Eq a) => a -> Test
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parses exp = test input $ delay $
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case lexParseAll grm input of
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Right got => if got == exp then Right ()
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else Left $ Unexpected exp got
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Left err => Left $ Parser err
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rejects : Show a => Test
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rejects = test input $ do
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case lexParseAll grm input of
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Left err => Right ()
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Right val => Left $ ShouldFail val
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tests = "parser" :- [
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"numbers" :- let parses = parses number in [
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parses "0" 0,
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parses "1" 1,
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parses "1000" 1000
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],
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"bound vars" :- let parses = parses (bound [< "x", "y", "z"]) in [
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]
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]
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