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the code for def rules now uses proper graph update to preserve lazyness

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kr.angelov
2014-09-05 11:53:02 +00:00
parent 5e5ad8f2db
commit d7dc541f74
7 changed files with 67 additions and 12 deletions
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5
src/runtime/haskell/PGF/ByteCode.hs
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@@ -23,12 +23,13 @@ data Instr
| SET_VALUE {-# UNPACK #-} !Int
| SET_ARG_VAR {-# UNPACK #-} !Int
| SET_FREE_VAR {-# UNPACK #-} !Int
| SET_PAD
| PUSH_VALUE {-# UNPACK #-} !Int
| PUSH_ARG_VAR {-# UNPACK #-} !Int
| PUSH_FREE_VAR {-# UNPACK #-} !Int
| TAIL_CALL CId
| UPDATE
| FAIL
| UPDATE
| RET {-# UNPACK #-} !Int
ppCode :: Int -> [[Instr]] -> Doc
@@ -52,11 +53,13 @@ ppInstr (PUT_FLT d ) = text "PUT_FLT " <+> double d
ppInstr (SET_VALUE n) = text "SET_VALUE " <+> int n
ppInstr (SET_ARG_VAR n) = text "SET_ARG_VAR " <+> int n
ppInstr (SET_FREE_VAR n) = text "SET_FREE_VAR " <+> int n
ppInstr (SET_PAD ) = text "SET_PAD"
ppInstr (PUSH_VALUE n) = text "PUSH_VALUE " <+> int n
ppInstr (PUSH_ARG_VAR n) = text "PUSH_ARG_VAR " <+> int n
ppInstr (PUSH_FREE_VAR n) = text "PUSH_FREE_VAR" <+> int n
ppInstr (TAIL_CALL id) = text "TAIL_CALL " <+> ppCId id
ppInstr (FAIL ) = text "FAIL"
ppInstr (UPDATE ) = text "UPDATE"
ppInstr (RET n) = text "RET " <+> int n
ppLabel l = text (let s = show l in replicate (3-length s) '0' ++ s)