Created
May 18, 2013 15:53
-
-
Save UnkindPartition/5604887 to your computer and use it in GitHub Desktop.
aeson's parser non-deterministic behaviour
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| {-# LANGUAGE OverloadedStrings, TemplateHaskell #-} | |
| import Data.Aeson | |
| import Data.Aeson.TH | |
| import qualified Data.ByteString.Lazy as BS | |
| import Control.Applicative | |
| import Control.Monad | |
| instance FromJSON GName where | |
| parseJSON (Object v) = | |
| GName <$> | |
| v .: "module" <*> | |
| v .: "name" | |
| parseJSON _ = empty | |
| data SymValueInfo | |
| = SymValue { sv_origName :: GName, sv_fixity :: Maybe String } | |
| | Other | |
| data GName = GName String String | |
| deriveFromJSON (drop 3) ''SymValueInfo | |
| {-# NOINLINE mydecode #-} | |
| mydecode :: BS.ByteString -> Either String [[SymValueInfo]] | |
| mydecode = eitherDecode | |
| main = do | |
| let path = "prim.json" | |
| c <- BS.readFile path | |
| forM_ (replicate 2000 c) $ \c -> | |
| print $ void $ mydecode c |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| [ | |
| [ | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| }, | |
| { | |
| "SymValue": { | |
| "origName": { | |
| "name": "*#", | |
| "module": "GHC.Prim" | |
| }, | |
| "fixity": null | |
| } | |
| } | |
| ] | |
| , | |
| [] | |
| ] |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment