forked from GitHub/gf-core
bugfix in the pattern matching compiler and a number of other fixes that I somehow did not push before
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@@ -15,31 +15,31 @@ data Literal =
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type CodeLabel = Int
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data Instr
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= ENTER
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| CASE CId {-# UNPACK #-} !CodeLabel
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= CHECK_ARGS {-# UNPACK #-} !Int
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| CASE CId {-# UNPACK #-} !Int {-# UNPACK #-} !CodeLabel
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| CASE_LIT Literal {-# UNPACK #-} !CodeLabel
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| ALLOC {-# UNPACK #-} !Int
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| PUT_CONSTR CId
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| PUT_FUN CId
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| PUT_CLOSURE {-# UNPACK #-} !CodeLabel
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| PUT_LIT Literal
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| SET IVal
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| SET_PAD
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| PUSH IVal
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| EVAL IVal TailInfo
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| CALL CId TailInfo
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| RET {-# UNPACK #-} !Int TailInfo
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| DROP {-# UNPACK #-} !Int {-# UNPACK #-} !CodeLabel
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| FAIL
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| UPDATE
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| RET {-# UNPACK #-} !Int
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data IVal
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= HEAP {-# UNPACK #-} !Int
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| ARG_VAR {-# UNPACK #-} !Int
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| FREE_VAR {-# UNPACK #-} !Int
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| GLOBAL CId
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data TailInfo
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= RecCall
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| TailCall {-# UNPACK #-} !Int {-# UNPACK #-} !Int
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| TailCall {-# UNPACK #-} !Int {-# UNPACK #-} !Int {-# UNPACK #-} !Int
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| UpdateCall {-# UNPACK #-} !Int {-# UNPACK #-} !Int
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ppLit (LStr s) = text (show s)
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ppLit (LInt n) = int n
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@@ -49,28 +49,29 @@ ppCode :: Int -> [[Instr]] -> Doc
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ppCode l [] = empty
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ppCode l (is:iss) = ppLabel l <+> vcat (map ppInstr is) $$ ppCode (l+1) iss
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ppInstr (ENTER ) = text "ENTER"
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ppInstr (CASE id l ) = text "CASE " <+> ppCId id <+> ppLabel l
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ppInstr (CHECK_ARGS n) = text "CHECK_ARGS " <+> int n
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ppInstr (CASE id n l ) = text "CASE " <+> ppCId id <+> int n <+> ppLabel l
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ppInstr (CASE_LIT lit l ) = text "CASE_LIT " <+> ppLit lit <+> ppLabel l
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ppInstr (ALLOC n) = text "ALLOC " <+> int n
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ppInstr (PUT_CONSTR id) = text "PUT_CONSTR " <+> ppCId id
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ppInstr (PUT_FUN id) = text "PUT_FUN " <+> ppCId id
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ppInstr (PUT_CLOSURE l) = text "PUT_CLOSURE" <+> ppLabel l
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ppInstr (PUT_LIT lit ) = text "PUT_LIT " <+> ppLit lit
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ppInstr (SET v) = text "SET " <+> ppIVal v
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ppInstr (SET_PAD ) = text "SET_PAD"
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ppInstr (PUSH v) = text "PUSH " <+> ppIVal v
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ppInstr (EVAL v ti) = text "EVAL " <+> ppIVal v <+> ppTailInfo ti
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ppInstr (CALL v ti) = text "CALL " <+> ppCId v <+> ppTailInfo ti
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ppInstr (RET h (TailCall a b c)) = text "RET " <+> ppIVal (HEAP h) <+> text "tail" <> parens (int a <> comma <> int b)
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ppInstr (RET h (UpdateCall b c)) = text "RET " <+> ppIVal (HEAP h) <+> text "update" <> parens (int b)
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ppInstr (DROP n l ) = text "DROP " <+> int n <+> ppLabel l
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ppInstr (FAIL ) = text "FAIL"
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ppInstr (UPDATE ) = text "UPDATE"
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ppInstr (RET n) = text "RET " <+> int n
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ppIVal (HEAP n) = text "hp" <> parens (int n)
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ppIVal (ARG_VAR n) = text "stk" <> parens (int n)
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ppIVal (FREE_VAR n) = text "env" <> parens (int n)
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ppIVal (GLOBAL id) = ppCId id
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ppTailInfo RecCall = empty
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ppTailInfo (TailCall a b) = text "tail" <> parens (int a <> comma <> int b)
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ppTailInfo RecCall = empty
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ppTailInfo (TailCall a b c) = text "tail" <> parens (int a <> comma <> int b <> comma <> int c)
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ppTailInfo (UpdateCall b c) = text "update" <> parens (int b <> comma <> int c)
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ppLabel l = text (let s = show l in replicate (3-length s) '0' ++ s)
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