X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fcmm%2FPprCmm.hs;h=7a1ffbbf299346fa6ec1f9776ffa9d90dca6d360;hp=55a8014b46331433b51b0ad05f9406d44a2ab6c2;hb=ad94d40948668032189ad22a0ad741ac1f645f50;hpb=f96e9aa0444de0e673b3c4055c6e43299639bc5b diff --git a/compiler/cmm/PprCmm.hs b/compiler/cmm/PprCmm.hs index 55a8014..7a1ffbb 100644 --- a/compiler/cmm/PprCmm.hs +++ b/compiler/cmm/PprCmm.hs @@ -1,3 +1,10 @@ +{-# OPTIONS -w #-} +-- The above warning supression flag is a temporary kludge. +-- While working on this module you are encouraged to remove it and fix +-- any warnings in the module. See +-- http://hackage.haskell.org/trac/ghc/wiki/CodingStyle#Warnings +-- for details + ---------------------------------------------------------------------------- -- -- Pretty-printing of Cmm as (a superset of) C-- @@ -33,7 +40,7 @@ -- module PprCmm ( - writeCmms, pprCmms, pprCmm, pprStmt, pprExpr + writeCmms, pprCmms, pprCmm, pprStmt, pprExpr, pprSection, pprStatic ) where #include "HsVersions.h" @@ -65,12 +72,16 @@ writeCmms handle cmms = printForC handle (pprCmms cmms) instance (Outputable info) => Outputable (GenCmm CmmStatic info CmmStmt) where ppr c = pprCmm c -instance (Outputable info) => Outputable (GenCmmTop CmmStatic info CmmStmt) where +instance (Outputable d, Outputable info, Outputable i) + => Outputable (GenCmmTop d info i) where ppr t = pprTop t -instance Outputable CmmBasicBlock where +instance (Outputable instr) => Outputable (GenBasicBlock instr) where ppr b = pprBBlock b +instance Outputable BlockId where + ppr id = pprBlockId id + instance Outputable CmmStmt where ppr s = pprStmt s @@ -92,6 +103,8 @@ instance Outputable CmmStatic where instance Outputable CmmInfo where ppr e = pprInfo e + + ----------------------------------------------------------------------------- pprCmm :: (Outputable info) => GenCmm CmmStatic info CmmStmt -> SDoc @@ -100,7 +113,9 @@ pprCmm (Cmm tops) = vcat $ intersperse (text "") $ map pprTop tops -- -------------------------------------------------------------------------- -- Top level `procedure' blocks. -- -pprTop :: (Outputable info) => GenCmmTop CmmStatic info CmmStmt -> SDoc +pprTop :: (Outputable d, Outputable info, Outputable i) + => GenCmmTop d info i -> SDoc + pprTop (CmmProc info lbl params blocks ) = vcat [ pprCLabel lbl <> parens (commafy $ map ppr params) <+> lbrace @@ -114,10 +129,13 @@ pprTop (CmmProc info lbl params blocks ) -- section "data" { ... } -- pprTop (CmmData section ds) = - (hang (pprSection section <+> lbrace) 4 (vcat (map pprStatic ds))) + (hang (pprSection section <+> lbrace) 4 (vcat (map ppr ds))) $$ rbrace - +-- -------------------------------------------------------------------------- +instance Outputable CmmSafety where + ppr CmmUnsafe = ptext SLIT("_unsafe_call_") + ppr (CmmSafe srt) = ppr srt -- -------------------------------------------------------------------------- -- Info tables. The current pretty printer needs refinement @@ -126,13 +144,19 @@ pprTop (CmmData section ds) = -- For ideas on how to refine it, they used to be printed in the -- style of C--'s 'stackdata' declaration, just inside the proc body, -- and were labelled with the procedure name ++ "_info". -pprInfo CmmNonInfo = empty -pprInfo (CmmInfo (ProfilingInfo closure_type closure_desc) - gc_target tag info) = - vcat [ptext SLIT("type: ") <> pprLit closure_type, +pprInfo (CmmInfo gc_target update_frame CmmNonInfoTable) = + vcat [{-ptext SLIT("gc_target: ") <> + maybe (ptext SLIT("")) pprBlockId gc_target,-} + ptext SLIT("update_frame: ") <> + maybe (ptext SLIT("")) pprUpdateFrame update_frame] +pprInfo (CmmInfo gc_target update_frame + (CmmInfoTable (ProfilingInfo closure_type closure_desc) tag info)) = + vcat [{-ptext SLIT("gc_target: ") <> + maybe (ptext SLIT("")) pprBlockId gc_target,-} + ptext SLIT("update_frame: ") <> + maybe (ptext SLIT("")) pprUpdateFrame update_frame, + ptext SLIT("type: ") <> pprLit closure_type, ptext SLIT("desc: ") <> pprLit closure_desc, - ptext SLIT("gc_target: ") <> - maybe (ptext SLIT("")) pprBlockId gc_target, ptext SLIT("tag: ") <> integer (toInteger tag), pprTypeInfo info] @@ -140,28 +164,44 @@ pprTypeInfo (ConstrInfo layout constr descr) = vcat [ptext SLIT("ptrs: ") <> integer (toInteger (fst layout)), ptext SLIT("nptrs: ") <> integer (toInteger (snd layout)), ptext SLIT("constructor: ") <> integer (toInteger constr), - ppr descr] + pprLit descr] pprTypeInfo (FunInfo layout srt fun_type arity args slow_entry) = vcat [ptext SLIT("ptrs: ") <> integer (toInteger (fst layout)), ptext SLIT("nptrs: ") <> integer (toInteger (snd layout)), ptext SLIT("srt: ") <> ppr srt, ptext SLIT("fun_type: ") <> integer (toInteger fun_type), - ptext SLIT("arity: ") <> integer (toInteger arity) - --ppr args, -- TODO: needs to be printed - --ppr slow_entry -- TODO: needs to be printed + ptext SLIT("arity: ") <> integer (toInteger arity), + --ptext SLIT("args: ") <> ppr args, -- TODO: needs to be printed + ptext SLIT("slow: ") <> pprLit slow_entry ] pprTypeInfo (ThunkInfo layout srt) = vcat [ptext SLIT("ptrs: ") <> integer (toInteger (fst layout)), ptext SLIT("nptrs: ") <> integer (toInteger (snd layout)), ptext SLIT("srt: ") <> ppr srt] +pprTypeInfo (ThunkSelectorInfo offset srt) = + vcat [ptext SLIT("ptrs: ") <> integer (toInteger offset), + ptext SLIT("srt: ") <> ppr srt] pprTypeInfo (ContInfo stack srt) = vcat [ptext SLIT("stack: ") <> ppr stack, ptext SLIT("srt: ") <> ppr srt] +pprUpdateFrame :: UpdateFrame -> SDoc +pprUpdateFrame (UpdateFrame expr args) = + hcat [ ptext SLIT("jump") + , space + , if isTrivialCmmExpr expr + then pprExpr expr + else case expr of + CmmLoad (CmmReg _) _ -> pprExpr expr + _ -> parens (pprExpr expr) + , space + , parens ( commafy $ map ppr args ) ] + + -- -------------------------------------------------------------------------- -- Basic blocks look like assembly blocks. -- lbl: stmt ; stmt ; .. -pprBBlock :: CmmBasicBlock -> SDoc +pprBBlock :: Outputable stmt => GenBasicBlock stmt -> SDoc pprBBlock (BasicBlock ident stmts) = hang (pprBlockId ident <> colon) 4 (vcat (map ppr stmts)) @@ -187,7 +227,7 @@ pprStmt stmt = case stmt of -- call "ccall" foo(x, y)[r1, r2]; -- ToDo ppr volatile - CmmCall (CmmForeignCall fn cconv) results args srt -> + CmmCall (CmmCallee fn cconv) results args safety ret -> hcat [ if null results then empty else parens (commafy $ map ppr results) <> @@ -195,14 +235,17 @@ pprStmt stmt = case stmt of ptext SLIT("call"), space, doubleQuotes(ppr cconv), space, target fn, parens ( commafy $ map ppr args ), - brackets (ppr srt), semi ] + brackets (ppr safety), + case ret of CmmMayReturn -> empty + CmmNeverReturns -> ptext SLIT(" never returns"), + semi ] where target (CmmLit lit) = pprLit lit target fn' = parens (ppr fn') - CmmCall (CmmPrim op) results args srt -> - pprStmt (CmmCall (CmmForeignCall (CmmLit lbl) CCallConv) - results args srt) + CmmCall (CmmPrim op) results args safety ret -> + pprStmt (CmmCall (CmmCallee (CmmLit lbl) CCallConv) + results args safety ret) where lbl = CmmLabel (mkForeignLabel (mkFastString (show op)) Nothing False)