Annotation of /sml/trunk/src/compiler/FLINT/main/flintcomp.sml

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Original Path: sml/branches/SMLNJ/src/compiler/FLINT/main/flintcomp.sml

1 :	monnier	16	(* COPYRIGHT (c) 1998 YALE FLINT PROJECT *)
2 :			(* flintcomp.sml *)
3 :
4 :			functor FLINTComp (structure Gen: CPSGEN
5 :			val collect: unit -> Word8Vector.vector) : CODEGENERATOR =
6 :			struct
7 :
8 :			local structure CB = CompBasic
9 :			structure CGC = Control.CG
10 :			structure MachSpec = Gen.MachSpec
11 :			structure Convert = Convert(MachSpec)
12 :			structure CPStrans = CPStrans(MachSpec)
13 :			structure CPSopt = CPSopt(MachSpec)
14 :			structure NewClosure = NClosure(MachSpec)
15 :			structure Spill = Spill(MachSpec)
16 :			structure CpsSplit = CpsSplitFun (MachSpec)
17 :			in
18 :
19 :			val architecture = Gen.MachSpec.architecture
20 :			fun bug s = ErrorMsg.impossible ("FLINTComp:" ^ s)
21 :			val say = Control.Print.say
22 :
23 :			fun phase x = Stats.doPhase (Stats.makePhase x)
24 :
25 :			val lconLexp = phase "Compiler 052 lcontract" LContract.lcontract
26 :			val specLexp = phase "Compiler 053 specLexp" Specialize.specialize
27 :			val wrapLexp = phase "Compiler 054 wrapLexp" Wrapping.wrapLexp
28 :			val ltyComp = phase "Compiler 055 ltyComp" Reify.ltyComp
29 :			val narrow = phase "Compiler 056 ltNarrow" LtNarrow.narrow
30 :			(* val lambdaopt = phase "Compiler 057 lambdaopt" LContract.lcontract *)
31 :
32 :			val convert = phase "Compiler 060 Convert" Convert.convert
33 :			val cpstrans = phase "Compiler 065 CPStrans" CPStrans.cpstrans
34 :			val cpsopt = phase "Compiler 070 cpsopt" CPSopt.reduce
35 :			val closure = phase "Compiler 080 closure" NewClosure.closeCPS
36 :			val globalfix = phase "Compiler 090 globalfix" GlobalFix.globalfix
37 :			val spill = if MachSpec.spillAreaSz < 500 * MachSpec.valueSize
38 :			then phase "Compiler 100 spill" Spill.spill
39 :			else fn x => x
40 :			val limit = phase "Compiler 110 limit" Limit.nolimit
41 :			val codegen = phase "Compiler 120 cpsgen" Gen.codegen
42 :
43 :			fun prGen (flag,printE) s e =
44 :			(if !flag then (say ("\n\n[After " ^ s ^ " ...]\n\n"); printE e) else ();
45 :			e)
46 :
47 :			val prLexp = prGen (CGC.printLambda, MCprint.printLexp)
48 :			val prFlint = prGen (CGC.printLambda, PPFlint.printProg)
49 :			val prCps = prGen (CGC.printit, PPCps.printcps0)
50 :
51 :			(** compiling FLINT code into the binary machine code *)
52 :			fun flintcomp(flint, compInfo as {error, sourceName=src, ...}: CB.compInfo) =
53 :			let fun err severity s =
54 :			error (0,0) severity (concat["Real constant out of range: ",s,"\n"])
55 :
56 :			fun dumpTerm (printE, s, le) =
57 :			let val outS = TextIO.openAppend (src ^ s);
58 :			val saveOut = !Control.Print.out
59 :			fun done () =
60 :			(TextIO.closeOut outS; Control.Print.out := saveOut)
61 :			in Control.Print.out := {say = fn s => TextIO.output(outS,s),
62 :			flush = fn () => TextIO.flushOut outS};
63 :			printE le handle x => (done () handle _ => (); raise x);
64 :			done ()
65 :			end
66 :			fun check (checkE,printE,chkId) (enableChk,lvl,logId) e =
67 :			(if !enableChk andalso checkE (e,lvl) then
68 :			(dumpTerm (printE, "." ^ chkId ^ logId, e);
69 :			bug (chkId ^ " typing errors " ^ logId))
70 :			else ();
71 :			e)
72 :			val chkLexp = check (CheckLty.checkLty, MCprint.printLexp, "lambda")
73 :			val chkFlint = check (ChkFlint.checkTop, PPFlint.printFundec, "FLINT")
74 :
75 :			val _ = (chkFlint (CGC.checkflint1,1,"1") o prFlint "Translation") flint
76 :
77 :			val flint =
78 :			(chkFlint (CGC.checkflint1,1,"2") o prFlint "Lcontract" o lconLexp)
79 :			flint
80 :
81 :			val flint =
82 :			if !CGC.specialize then
83 :			(chkFlint (CGC.checkflint1,1,"3")
84 :			o prFlint "Specialization" o specLexp) flint
85 :			else flint
86 :
87 :			val lambda =
88 :			(chkLexp (CGC.checklty1,1,"1")
89 :			o prLexp "Translation-To-Lambda"
90 :			o Flint2Lambda.transFundec)
91 :			flint
92 :
93 :			val lambda =
94 :			(chkLexp (CGC.checklty1,11,"2") o prLexp "Wrapping" o wrapLexp)
95 :			lambda
96 :
97 :			val lambda = (chkLexp (CGC.checklty1,21,"3") o ltyComp) lambda
98 :
99 :			val lambda =
100 :			(chkLexp (CGC.checklty1,21,"4") o prLexp "Narrowing" o narrow) lambda
101 :
102 :			(*
103 :			val lambda = (chkLexp (CGC.checklty2,21,"5") o lambdaopt) lambda
104 :			*)
105 :
106 :			val (function,table) = convert lambda
107 :			val _ = prCps "convert" function
108 :
109 :			val function = (prCps "cpstrans" o cpstrans) function
110 :
111 :			val (function,table) =
112 :			if !CGC.cpsopt then cpsopt (function,table,NONE,false)
113 :			else (function,table)
114 :			val _ = prCps "cpsopt" function
115 :
116 :			fun gen function = let
117 :			val function = (prCps "closure" o closure) function
118 :			val carg = globalfix function
119 :			val carg = spill carg
120 :			val (carg, limit) = limit carg
121 :			in
122 :			codegen (carg, limit, err);
123 :			collect ()
124 :			end
125 :
126 :			val fun0 :: funn = CpsSplit.cpsSplit function
127 :			val c0 = gen fun0
128 :			val cn = map gen funn
129 :
130 :			in {c0=c0, cn=cn , name=ref (SOME src)}
131 :			end (* function flintcomp *)
132 :
133 :			val flintcomp = phase "Compiler 050 FLINTComp" flintcomp
134 :
135 :			end (* local *)
136 :			end (* structure FLINTComp *)

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