+{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
module Mate.Utilities where
buildMethodID :: Class Resolved -> Word16 -> MethodInfo
buildMethodID cls idx = MethodInfo (ntName nt) rc (ntSignature nt)
- where
- (CMethod rc nt) = (constsPool cls) M.! idx
+ where (rc, nt) = case constsPool cls M.! idx of
+ (CMethod rc' nt') -> (rc', nt')
+ (CIfaceMethod rc' nt') -> (rc', nt')
+ _ -> error "buildMethodID: something wrong. abort."
buildStaticFieldID :: Class Resolved -> Word16 -> StaticFieldInfo
buildStaticFieldID cls idx = StaticFieldInfo rc (ntName fnt)
- where (CField rc fnt) = (constsPool cls) M.! idx
+ where (CField rc fnt) = constsPool cls M.! idx
buildFieldOffset :: Class Resolved -> Word16 -> (B.ByteString, B.ByteString)
-buildFieldOffset cls idx = (thisClass cls, ntName fnt)
- where (CField rc fnt) = (constsPool cls) M.! idx
+buildFieldOffset cls idx = (rc, ntName fnt)
+ where (CField rc fnt) = constsPool cls M.! idx
+
+buildClassID :: Class Resolved -> Word16 -> B.ByteString
+buildClassID cls idx = cl
+ where (CClass cl) = constsPool cls M.! idx
methodGetArgsCount :: Class Resolved -> Word16 -> Word32
methodGetArgsCount cls idx = fromIntegral $ length args
where
- (CMethod _ nt) = (constsPool cls) M.! idx
+ nt = case constsPool cls M.! idx of
+ (CMethod _ nt') -> nt'
+ (CIfaceMethod _ nt') -> nt'
+ _ -> error "methodGetArgsCount: something wrong. abort."
(MethodSignature args _) = ntSignature nt
-- TODO(bernhard): Extend it to more than just int, and provide typeinformation
methodHaveReturnValue cls idx = case ret of
ReturnsVoid -> False;
(Returns IntType) -> True;
+ (Returns (ObjectType _)) -> True;
_ -> error "methodHaveReturnValue: todo"
where
- (CMethod _ nt) = (constsPool cls) M.! idx
+ nt = case constsPool cls M.! idx of
+ (CMethod _ nt') -> nt'
+ (CIfaceMethod _ nt') -> nt'
+ _ -> error "methodHaveReturnValue: something wrong. abort."
(MethodSignature _ ret) = ntSignature nt