diff options
Diffstat (limited to 'AST.hs')
-rw-r--r-- | AST.hs | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -13,6 +13,7 @@ data Value | VString String | VName Name | VQuoted Value + | VDefine Name Value | VLambda [Name] Value | VLet [(Name, Value)] Value | VBuiltin String @@ -29,6 +30,7 @@ instance Show Value where show (VString s) = show s show (VName n) = n show (VQuoted e) = '\'' : show e + show (VDefine n v) = "(define " ++ n ++ " " ++ show v ++ ")" show (VLambda as v) = "(lambda (" ++ intercalate " " as ++ ") " ++ show v ++ ")" show (VLet ps v) = "(let (" ++ intercalate " " ["(" ++ n ++ " " ++ show w ++ ")" | (n, w) <- ps] ++ ") " ++ show v ++ ")" show (VBuiltin str) = "[[builtin " ++ str ++ "]]" |