hjs-0.2: src/HJS/Interpreter/Error.hs
module HJS.Interpreter.Error where
import Control.Monad.Identity
import Control.Monad.Error
import Control.Monad.State
import HJS.Interpreter.InterpMDecl
import HJS.Interpreter.InterpM
import HJS.Interpreter.ObjectBasic
errorConstructor :: InterpM Value
errorConstructor = do
args <- getArgs
o <- newObject "Error"
t <- getThis
p <- getProperty (toObjId t) "prototype"
putPropertyInternal o "__proto__" p
case args of
(x:_) -> putProperty o "message" x
_ -> return ()
return $ inj o
addErrorBuiltIn newConstructorWith putBuiltIn = do
newConstructorWith "Error" errorConstructor
-- p <- getProperty fo "prototype"
-- let p' = toObjId p