X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FByteCodeInstr.lhs;h=fee17bccb51c9d7f4603f8ac9e24e1f703567741;hb=4da439a6b1e343fc5216d5c6bb51858c6d9aacd6;hp=c1aafc95cf3888305ef545cc3b1af0bd8437f891;hpb=04ed4bf79faffd0170030b963c7883be95d75376;p=ghc-hetmet.git diff --git a/compiler/ghci/ByteCodeInstr.lhs b/compiler/ghci/ByteCodeInstr.lhs index c1aafc9..fee17bc 100644 --- a/compiler/ghci/ByteCodeInstr.lhs +++ b/compiler/ghci/ByteCodeInstr.lhs @@ -5,12 +5,15 @@ ByteCodeInstrs: Bytecode instruction definitions \begin{code} module ByteCodeInstr ( - BCInstr(..), ProtoBCO(..), bciStackUse + BCInstr(..), ProtoBCO(..), bciStackUse, BreakInfo (..) ) where #include "HsVersions.h" #include "../includes/MachDeps.h" +import ByteCodeItbls ( ItblPtr ) + +import Type import Outputable import Name import Id @@ -24,6 +27,10 @@ import SMRep import GHC.Ptr +import Module (Module) +import GHC.Prim + + -- ---------------------------------------------------------------------------- -- Bytecode instructions @@ -38,7 +45,7 @@ data ProtoBCO a -- what the BCO came from protoBCOExpr :: Either [AnnAlt Id VarSet] (AnnExpr Id VarSet), -- malloc'd pointers - protoBCOPtrs :: [Ptr ()] + protoBCOPtrs :: [Either ItblPtr (Ptr ())] } type LocalLabel = Int @@ -127,6 +134,24 @@ data BCInstr | RETURN -- return a lifted value | RETURN_UBX CgRep -- return an unlifted value, here's its rep + -- Breakpoints + | BRK_FUN (MutableByteArray# RealWorld) Int BreakInfo + +data BreakInfo + = BreakInfo + { breakInfo_module :: Module + , breakInfo_number :: {-# UNPACK #-} !Int + , breakInfo_vars :: [(Id,Int)] + , breakInfo_resty :: Type + } + +instance Outputable BreakInfo where + ppr info = text "BreakInfo" <+> + parens (ppr (breakInfo_module info) <+> + ppr (breakInfo_number info) <+> + ppr (breakInfo_vars info) <+> + ppr (breakInfo_resty info)) + -- ----------------------------------------------------------------------------- -- Printing bytecode instructions @@ -194,6 +219,7 @@ instance Outputable BCInstr where ppr ENTER = text "ENTER" ppr RETURN = text "RETURN" ppr (RETURN_UBX pk) = text "RETURN_UBX " <+> ppr pk + ppr (BRK_FUN breakArray index info) = text "BRK_FUN" <+> text "" <+> int index <+> ppr info -- ----------------------------------------------------------------------------- -- The stack use, in words, of each bytecode insn. These _must_ be @@ -249,6 +275,7 @@ bciStackUse RETURN{} = 0 bciStackUse RETURN_UBX{} = 1 bciStackUse CCALL{} = 0 bciStackUse SWIZZLE{} = 0 +bciStackUse BRK_FUN{} = 0 -- These insns actually reduce stack use, but we need the high-tide level, -- so can't use this info. Not that it matters much.