refactor Error into submodules

1 files changed, 0 insertions, 31 deletions

diff --git a/src/Error.hs b/src/Error.hs
deleted file mode 100644
index bfc8d14..0000000
--- a/src/Error.hs
+++ /dev/null
@@ -1,31 +0,0 @@
-module Error (
-             LispError (..)
-             , LispResult (..)
-             , unwrap
-             ) where
-
-import           Control.Monad.Except
-import           Parser
-import           Text.ParserCombinators.Parsec
-
-data LispError = Parse ParseError
-               | BadForm String Expr
-               | ArgCount Int [Expr]
-               | UnknownFunction String
-               | TypeMismatch String Expr
-
-unwordsList :: [Expr] -> String
-unwordsList = unwords . map show
-
-instance Show LispError where
-    show (Parse e)              = "Parser Error: " ++ show e
-    show (BadForm s expr)       = "Bad Form: " ++ s ++ ": " ++ show expr
-    show (ArgCount n es)        = "Invalid arity, expected " ++ show n ++ ", got value(s): " ++ unwordsList es
-    show (UnknownFunction fn)   = "Cannot apply function: " ++ fn
-    show (TypeMismatch msg got) = "Type mismatch, expected " ++ msg ++ ", got: " ++ show got
-
-type LispResult = Either LispError
-
-unwrap :: LispResult t -> t
-unwrap (Right v) = v
-unwrap (Left _)  = undefined -- should panic