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[smlnj] Annotation of /sml/trunk/src/compiler/FLINT/main/flintcomp.sml
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Annotation of /sml/trunk/src/compiler/FLINT/main/flintcomp.sml

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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 : monnier 102 structure Closure = Closure(MachSpec)
15 : monnier 16 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 : monnier 71 val fcollect = phase "Compiler 052 collect" (fn le => (Collect.collect le; le))
26 : monnier 84 (* val fcontract = phase "Compiler 052 fcontract" FContract.contract *)
27 : monnier 71 val lcontract = phase "Compiler 052 lcontract" LContract.lcontract
28 :     val specialize= phase "Compiler 053 specialize" Specialize.specialize
29 :     val wrapping = phase "Compiler 054 wrapping" Wrapping.wrapping
30 :     val reify = phase "Compiler 055 reify" Reify.reify
31 : monnier 16 (* val lambdaopt = phase "Compiler 057 lambdaopt" LContract.lcontract *)
32 :    
33 : monnier 71 val convert = phase "Compiler 060 convert" Convert.convert
34 :     val cpstrans = phase "Compiler 065 cpstrans" CPStrans.cpstrans
35 : monnier 16 val cpsopt = phase "Compiler 070 cpsopt" CPSopt.reduce
36 : monnier 102 val litsplit = phase "Compiler 075 litsplit" Literals.litsplit
37 :     val lit2cps = phase "Compiler 076 lit2cps" Literals.lit2cps
38 :     val closure = phase "Compiler 080 closure" Closure.closeCPS
39 : monnier 16 val globalfix = phase "Compiler 090 globalfix" GlobalFix.globalfix
40 :     val spill = if MachSpec.spillAreaSz < 500 * MachSpec.valueSize
41 :     then phase "Compiler 100 spill" Spill.spill
42 :     else fn x => x
43 :     val limit = phase "Compiler 110 limit" Limit.nolimit
44 :     val codegen = phase "Compiler 120 cpsgen" Gen.codegen
45 :    
46 : monnier 102 val closureD = phase "Compiler 081 closureD" Closure.closeCPS
47 :     val globalfixD= phase "Compiler 091 globalfixD" GlobalFix.globalfix
48 :     val spillD = if MachSpec.spillAreaSz < 500 * MachSpec.valueSize
49 :     then phase "Compiler 101 spillD" Spill.spill
50 :     else fn x => x
51 :     val limitD = phase "Compiler 110 limitD" Limit.nolimit
52 :     val codegenD = phase "Compiler 121 cpsgenD" Gen.codegen
53 : monnier 16
54 : monnier 71 (** pretty printing for the FLINT and CPS code *)
55 :     val (prF, prC) =
56 :     let fun prGen (flag,printE) s e =
57 : monnier 102 if !flag then (say ("\n[After " ^ s ^ " ...]\n\n"); printE e;
58 :     say "\n"; e)
59 : monnier 71 else e
60 :     in (prGen (CGC.printFlint, PPFlint.printProg),
61 :     prGen (CGC.printit, PPCps.printcps0))
62 :     end
63 : monnier 16
64 : monnier 71 (** writing out a term into a error output file *)
65 :     fun dumpTerm (printE, s, le) =
66 :     let val outS = TextIO.openAppend s;
67 :     val saveOut = !Control.Print.out
68 :     fun done () =
69 :     (TextIO.closeOut outS; Control.Print.out := saveOut)
70 :     in Control.Print.out := {say = fn s => TextIO.output(outS,s),
71 :     flush = fn () => TextIO.flushOut outS};
72 :     printE le handle x => (done () handle _ => (); raise x);
73 :     done ()
74 :     end (* function dumpTerm *)
75 :    
76 : monnier 16 (** compiling FLINT code into the binary machine code *)
77 :     fun flintcomp(flint, compInfo as {error, sourceName=src, ...}: CB.compInfo) =
78 :     let fun err severity s =
79 :     error (0,0) severity (concat["Real constant out of range: ",s,"\n"])
80 :    
81 :     fun check (checkE,printE,chkId) (enableChk,lvl,logId) e =
82 :     (if !enableChk andalso checkE (e,lvl) then
83 : monnier 71 (dumpTerm (printE, src ^ "." ^ chkId ^ logId, e);
84 :     bug (chkId ^ " typing errors " ^ logId))
85 : monnier 16 else ();
86 :     e)
87 : monnier 71 fun chkF (b, s) =
88 :     check (ChkFlint.checkTop, PPFlint.printFundec,
89 :     "FLINT") (CGC.checkFlint, b, s)
90 : monnier 16
91 : monnier 102 val _ = (chkF (false,"1") o prF "Translation/Normalization") flint
92 : monnier 71 val flint = (chkF (false,"2") o prF "Lcontract" o lcontract) flint
93 : monnier 16 val flint =
94 :     if !CGC.specialize then
95 : monnier 71 (chkF (false,"3") o prF "Specialization" o specialize) flint
96 : monnier 16 else flint
97 :    
98 : monnier 71 val flint = (chkF (false, "4") o prF "Wrapping" o wrapping) flint
99 :     val flint = (chkF (true, "5") o prF "Reify" o reify) flint
100 : monnier 102
101 :     val (nc0, ncn, dseg) =
102 :     let val function = convert flint
103 :     val _ = prC "convert" function
104 : monnier 71 val function = (prC "cpstrans" o cpstrans) function
105 : monnier 102 val function =
106 :     if !CGC.cpsopt then cpsopt (function,NONE,false)
107 :     else function
108 : monnier 71 val _ = prC "cpsopt" function
109 : monnier 45
110 : monnier 102 val (function, dlit) = litsplit function
111 :     val data = lit2cps dlit
112 :     val _ = prC "cpsopt-code" function
113 :     val _ = prC "cpsopt-data" data
114 :    
115 : monnier 71 fun gen fx =
116 :     let val fx = (prC "closure" o closure) fx
117 :     val carg = globalfix fx
118 :     val carg = spill carg
119 :     val (carg, limit) = limit carg
120 :     in codegen (carg, limit, err);
121 :     collect ()
122 :     end
123 : monnier 102
124 :     fun gdata dd =
125 :     let val x = Control.CG.printit
126 :     val y = !x
127 :     val _ = (x := false)
128 :     val fx = (prC "closure" o closureD) dd
129 :     val carg = globalfixD fx
130 :     val carg = spillD carg
131 :     val (carg, limit) = limitD carg
132 :     in codegenD (carg, limit, err);
133 :     (collect ()) before (x := y)
134 :     end
135 : monnier 71 in case CpsSplit.cpsSplit function
136 : monnier 102 of (fun0 :: funn) => (gen fun0, map gen funn, gdata data)
137 : monnier 71 | [] => bug "unexpected case on gen in flintcomp"
138 :     end
139 : monnier 102 in {c0=nc0, cn=ncn, data=dseg, name=ref (SOME src)}
140 : monnier 16 end (* function flintcomp *)
141 :    
142 : monnier 71 val flintcomp = phase "Compiler 050 flintcomp" flintcomp
143 : monnier 16
144 :     end (* local *)
145 :     end (* structure FLINTComp *)
146 : monnier 95
147 :     (*
148 :     * $Log: flintcomp.sml,v $
149 : monnier 109 * Revision 1.2 1998/05/20 18:34:48 george
150 :     * Add new literal splitting phase. -- zsh
151 :     *
152 : monnier 95 * Revision 1.1.1.1 1998/04/08 18:39:40 george
153 :     * Version 110.5
154 :     *
155 :     *)

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