From 80acad444792b77a77b6fa232989e1d2caf8c673 Mon Sep 17 00:00:00 2001
From: "kr.angelov" <kr.angelov@gmail.com>
Date: Mon, 29 Sep 2014 15:00:04 +0000
Subject: bugfix in the pattern matching compiler and a number of other fixes
 that I somehow did not push before

---
 src/runtime/haskell/PGF/ByteCode.hs | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

(limited to 'src/runtime/haskell/PGF/ByteCode.hs')

diff --git a/src/runtime/haskell/PGF/ByteCode.hs b/src/runtime/haskell/PGF/ByteCode.hs
index f5fc343b7..7cec9cfe5 100644
--- a/src/runtime/haskell/PGF/ByteCode.hs
+++ b/src/runtime/haskell/PGF/ByteCode.hs
@@ -15,31 +15,31 @@ data Literal =
 type CodeLabel = Int
 
 data Instr
-  = ENTER
-  | CASE CId     {-# UNPACK #-} !CodeLabel
+  = CHECK_ARGS {-# UNPACK #-} !Int
+  | CASE CId {-# UNPACK #-} !Int  {-# UNPACK #-} !CodeLabel
   | CASE_LIT Literal  {-# UNPACK #-} !CodeLabel
   | ALLOC  {-# UNPACK #-} !Int
   | PUT_CONSTR CId
-  | PUT_FUN CId
   | PUT_CLOSURE   {-# UNPACK #-} !CodeLabel
   | PUT_LIT Literal
   | SET IVal
   | SET_PAD
   | PUSH IVal
   | EVAL IVal TailInfo
-  | CALL CId  TailInfo
+  | RET {-# UNPACK #-} !Int TailInfo
+  | DROP {-# UNPACK #-} !Int  {-# UNPACK #-} !CodeLabel
   | FAIL
-  | UPDATE
-  | RET {-# UNPACK #-} !Int
 
 data IVal
   = HEAP     {-# UNPACK #-} !Int
   | ARG_VAR  {-# UNPACK #-} !Int
   | FREE_VAR {-# UNPACK #-} !Int
+  | GLOBAL   CId
 
 data TailInfo
   = RecCall
-  | TailCall {-# UNPACK #-} !Int {-# UNPACK #-} !Int
+  | TailCall   {-# UNPACK #-} !Int {-# UNPACK #-} !Int {-# UNPACK #-} !Int
+  | UpdateCall                     {-# UNPACK #-} !Int {-# UNPACK #-} !Int
 
 ppLit (LStr s) = text (show s)
 ppLit (LInt n) = int n
@@ -49,28 +49,29 @@ ppCode :: Int -> [[Instr]] -> Doc
 ppCode l []       = empty
 ppCode l (is:iss) = ppLabel l <+> vcat (map ppInstr is) $$ ppCode (l+1) iss
 
-ppInstr (ENTER          ) = text "ENTER"
-ppInstr (CASE id l      ) = text "CASE       " <+> ppCId id <+> ppLabel l
+ppInstr (CHECK_ARGS    n) = text "CHECK_ARGS " <+> int n
+ppInstr (CASE id n l    ) = text "CASE       " <+> ppCId id <+> int n <+> ppLabel l
 ppInstr (CASE_LIT lit l ) = text "CASE_LIT   " <+> ppLit lit <+> ppLabel l
 ppInstr (ALLOC         n) = text "ALLOC      " <+> int n
 ppInstr (PUT_CONSTR   id) = text "PUT_CONSTR " <+> ppCId id
-ppInstr (PUT_FUN      id) = text "PUT_FUN    " <+> ppCId id
 ppInstr (PUT_CLOSURE   l) = text "PUT_CLOSURE" <+> ppLabel l
 ppInstr (PUT_LIT lit    ) = text "PUT_LIT    " <+> ppLit lit
 ppInstr (SET           v) = text "SET        " <+> ppIVal v
 ppInstr (SET_PAD        ) = text "SET_PAD"
 ppInstr (PUSH          v) = text "PUSH       " <+> ppIVal v
 ppInstr (EVAL       v ti) = text "EVAL       " <+> ppIVal v <+> ppTailInfo ti
-ppInstr (CALL       v ti) = text "CALL       " <+> ppCId v  <+> ppTailInfo ti
+ppInstr (RET h (TailCall a b c)) = text "RET        " <+> ppIVal (HEAP h) <+> text "tail"   <> parens (int a <> comma <> int b)
+ppInstr (RET h (UpdateCall b c)) = text "RET        " <+> ppIVal (HEAP h) <+> text "update" <> parens (int b)
+ppInstr (DROP n l       ) = text "DROP       " <+> int n <+> ppLabel l
 ppInstr (FAIL           ) = text "FAIL"
-ppInstr (UPDATE         ) = text "UPDATE"
-ppInstr (RET           n) = text "RET        " <+> int n
 
 ppIVal (HEAP     n) = text "hp"  <> parens (int n)
 ppIVal (ARG_VAR  n) = text "stk" <> parens (int n)
 ppIVal (FREE_VAR n) = text "env" <> parens (int n)
+ppIVal (GLOBAL  id) = ppCId id
 
-ppTailInfo RecCall        = empty
-ppTailInfo (TailCall a b) = text "tail" <> parens (int a <> comma <> int b)
+ppTailInfo RecCall            = empty
+ppTailInfo (TailCall   a b c) = text "tail"   <> parens (int a <> comma <> int b <> comma <> int c)
+ppTailInfo (UpdateCall   b c) = text "update" <> parens (int b <> comma <> int c)
 
 ppLabel l = text (let s = show l in replicate (3-length s) '0' ++ s)
-- 
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