hydra-kernel-0.16.0: src/main/haskell/Hydra/Decode/Parsing.hs
-- Note: this is an automatically generated file. Do not edit.
-- | Term decoders for hydra.parsing
module Hydra.Decode.Parsing where
import qualified Hydra.Core as Core
import qualified Hydra.Decode.Core as DecodeCore
import qualified Hydra.Errors as Errors
import qualified Hydra.Extract.Core as ExtractCore
import qualified Hydra.Graph as Graph
import qualified Hydra.Lexical as Lexical
import qualified Hydra.Haskell.Lib.Eithers as Eithers
import qualified Hydra.Haskell.Lib.Maps as Maps
import qualified Hydra.Haskell.Lib.Optionals as Optionals
import qualified Hydra.Haskell.Lib.Strings as Strings
import qualified Hydra.Parsing as Parsing
import qualified Hydra.Rewriting as Rewriting
import qualified Hydra.Util as Util
import Prelude hiding (Enum, Ordering, decodeFloat, encodeFloat, fail, map, pure, sum)
import qualified Data.Scientific as Sci
-- | Decoder for hydra.parsing.ParseError
parseError :: Graph.Graph -> Core.Term -> Either Errors.DecodingError Parsing.ParseError
parseError cx raw =
Eithers.either (\err -> Left err) (\stripped -> case stripped of
Core.TermRecord v0 ->
let fieldMap = ExtractCore.toFieldMap v0
in (Eithers.bind (ExtractCore.requireField "message" (\cx2 -> \raw2 -> Eithers.either (\err -> Left err) (\stripped2 -> case stripped2 of
Core.TermLiteral v1 -> case v1 of
Core.LiteralString v2 -> Right v2
_ -> Left (Errors.DecodingError "expected string literal")
_ -> Left (Errors.DecodingError "expected literal")) (ExtractCore.stripWithDecodingError cx2 raw2)) fieldMap cx) (\field_message -> Eithers.bind (ExtractCore.requireField "remainder" (\cx2 -> \raw2 -> Eithers.either (\err -> Left err) (\stripped2 -> case stripped2 of
Core.TermLiteral v1 -> case v1 of
Core.LiteralString v2 -> Right v2
_ -> Left (Errors.DecodingError "expected string literal")
_ -> Left (Errors.DecodingError "expected literal")) (ExtractCore.stripWithDecodingError cx2 raw2)) fieldMap cx) (\field_remainder -> Right (Parsing.ParseError {
Parsing.parseErrorMessage = field_message,
Parsing.parseErrorRemainder = field_remainder}))))
_ -> Left (Errors.DecodingError "expected a record of type hydra.parsing.ParseError")) (ExtractCore.stripWithDecodingError cx raw)
-- | Decoder for hydra.parsing.ParseResult
parseResult :: (Graph.Graph -> Core.Term -> Either Errors.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Errors.DecodingError (Parsing.ParseResult t0)
parseResult a cx raw =
Eithers.either (\err -> Left err) (\stripped -> case stripped of
Core.TermInject v0 ->
let field = Core.injectionField v0
fname = Core.fieldName field
fterm = Core.fieldTerm field
variantMap =
Maps.fromList [
(Core.Name "success", (\input -> Eithers.map (\t -> Parsing.ParseResultSuccess t) (parseSuccess a cx input))),
(Core.Name "failure", (\input -> Eithers.map (\t -> Parsing.ParseResultFailure t) (parseError cx input)))]
in (Optionals.cases (Maps.lookup fname variantMap) (Left (Errors.DecodingError (Strings.cat [
"no such field ",
(Core.unName fname),
" in union"]))) (\f -> f fterm))
_ -> Left (Errors.DecodingError "expected union")) (ExtractCore.stripWithDecodingError cx raw)
-- | Decoder for hydra.parsing.ParseSuccess
parseSuccess :: (Graph.Graph -> Core.Term -> Either Errors.DecodingError t0) -> Graph.Graph -> Core.Term -> Either Errors.DecodingError (Parsing.ParseSuccess t0)
parseSuccess a cx raw =
Eithers.either (\err -> Left err) (\stripped -> case stripped of
Core.TermRecord v0 ->
let fieldMap = ExtractCore.toFieldMap v0
in (Eithers.bind (ExtractCore.requireField "value" a fieldMap cx) (\field_value -> Eithers.bind (ExtractCore.requireField "remainder" (\cx2 -> \raw2 -> Eithers.either (\err -> Left err) (\stripped2 -> case stripped2 of
Core.TermLiteral v1 -> case v1 of
Core.LiteralString v2 -> Right v2
_ -> Left (Errors.DecodingError "expected string literal")
_ -> Left (Errors.DecodingError "expected literal")) (ExtractCore.stripWithDecodingError cx2 raw2)) fieldMap cx) (\field_remainder -> Right (Parsing.ParseSuccess {
Parsing.parseSuccessValue = field_value,
Parsing.parseSuccessRemainder = field_remainder}))))
_ -> Left (Errors.DecodingError "expected a record of type hydra.parsing.ParseSuccess")) (ExtractCore.stripWithDecodingError cx raw)