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[smlnj] Annotation of /sml/trunk/src/cm/bootstrap/btcompile.sml
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Annotation of /sml/trunk/src/cm/bootstrap/btcompile.sml

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1 : blume 327 (*
2 :     * The bootstrap compiler.
3 :     * (Formerly known as "batch" compiler.)
4 :     *
5 :     * (C) 1999 Lucent Technologies, Bell Laboratories
6 :     *
7 :     * Author: Matthias Blume (blume@kurims.kyoto-u.ac.jp)
8 :     *)
9 : blume 329 functor BootstrapCompileFn (structure MachDepVC: MACHDEP_VC
10 : blume 357 val os: SMLofNJ.SysInfo.os_kind) :> sig
11 : blume 360 val compile : string option -> bool
12 : blume 357 end = struct
13 :    
14 : blume 327 structure EM = GenericVC.ErrorMsg
15 :     structure E = GenericVC.Environment
16 :     structure SE = GenericVC.CMStaticEnv
17 :     structure BE = GenericVC.BareEnvironment
18 :     structure PS = GenericVC.PersStamps
19 :     structure CoerceEnv = GenericVC.CoerceEnv
20 : blume 336 structure SSV = SpecificSymValFn (structure MachDepVC = MachDepVC
21 :     val os = os)
22 : blume 327
23 :     (* Since the bootstrap compiler never executes any of the code
24 :     * it produces, we don't need any dynamic values. Therefore,
25 :     * we create RecompPersstate (but not FullPersstate!) and
26 :     * instantiate Recomp as well as RecompTraversal.
27 :     * Since RecompPersstate is not part of any surrounding FullPersstate,
28 :     * function "discard_value" simply does nothing. *)
29 :     structure RecompPersstate =
30 :     RecompPersstateFn (structure MachDepVC = MachDepVC
31 :     val discard_code = true
32 : blume 360 fun new_smlinfo (i, popt) = ())
33 :    
34 : blume 327 structure Recomp = RecompFn (structure PS = RecompPersstate)
35 :     structure RT = CompileGenericFn (structure CT = Recomp)
36 :    
37 :     fun recomp gp g = isSome (RT.group gp g)
38 :    
39 :     (* instantiate Stabilize... *)
40 : blume 329 structure Stabilize =
41 :     StabilizeFn (fun bn2statenv gp i = #1 (#stat (valOf (RT.bnode gp i)))
42 : blume 357 val getPid = RecompPersstate.pid_fetch_sml
43 :     fun warmup (i, p) = ()
44 : blume 329 val recomp = recomp)
45 : blume 327 (* ... and Parse *)
46 :     structure Parse = ParseFn (structure Stabilize = Stabilize)
47 :    
48 : blume 358 fun listName p =
49 :     case OS.Path.fromString p of
50 :     { vol = "", isAbs = false, arcs = _ :: arc1 :: arcn } => let
51 :     fun win32name () =
52 :     concat (arc1 ::
53 :     foldr (fn (a, r) => "\\" :: a :: r) [] arcn)
54 :     in
55 :     case os of
56 :     SMLofNJ.SysInfo.WIN32 => win32name ()
57 :     | _ => OS.Path.toString { isAbs = false, vol = "",
58 :     arcs = arc1 :: arcn }
59 :     end
60 :     | _ => raise Fail "BootstrapCompile:listName: bad name"
61 : blume 327
62 : blume 360 fun compile dbopt = let
63 : blume 358
64 : blume 360 val dirbase = getOpt (dbopt, BtNames.dirbaseDefault)
65 :     val pcmodespec = BtNames.pcmodespec
66 :     val initgspec = BtNames.initgspec
67 :     val maingspec = BtNames.maingspec
68 :    
69 : blume 357 val arch = MachDepVC.architecture
70 :     val osname = FilenamePolicy.kind2name os
71 :     val bindir = concat [dirbase, ".bin.", arch, "-", osname]
72 :     val bootdir = concat [dirbase, ".boot.", arch, "-", osname]
73 :    
74 : blume 329 val keep_going = EnvConfig.getSet StdConfig.keep_going NONE
75 :    
76 : blume 354 val ctxt = SrcPath.cwdContext ()
77 : blume 329
78 : blume 357 val pidfile = OS.Path.joinDirFile { dir = bootdir, file = "RTPID" }
79 :     val listfile = OS.Path.joinDirFile { dir = bootdir, file = "BINLIST" }
80 : blume 329
81 : blume 344 val pcmode = let
82 : blume 345 fun work s = let
83 :     fun loop l = let
84 :     val line = TextIO.inputLine s
85 :     in
86 :     if line = "" then PathConfig.hardwire l
87 :     else case String.tokens Char.isSpace line of
88 :     [a, s] => loop ((a, s) :: l)
89 : blume 354 | _ => (Say.say [pcmodespec,
90 : blume 345 ": malformed line (ignored)\n"];
91 :     loop l)
92 :     end
93 : blume 329 in
94 : blume 345 loop []
95 : blume 329 end
96 :     in
97 : blume 354 SafeIO.perform { openIt = fn () => TextIO.openIn pcmodespec,
98 : blume 345 closeIt = TextIO.closeIn,
99 :     work = work,
100 :     cleanup = fn () => () }
101 : blume 329 end
102 :    
103 : blume 354 fun stdpath s = SrcPath.standard pcmode { context = ctxt, spec = s }
104 : blume 352
105 :     val initgspec = stdpath initgspec
106 :     val maingspec = stdpath maingspec
107 :    
108 : blume 360 val cmifile = valOf (SrcPath.reAnchoredName (initgspec, bootdir))
109 :     handle Option => raise Fail "BootstrapCompile: cmifile"
110 :    
111 : blume 357 val initfnpolicy =
112 :     FilenamePolicy.separate { bindir = bootdir, bootdir = bootdir }
113 :     { arch = arch, os = os }
114 : blume 329
115 : blume 357 val mainfnpolicy =
116 :     FilenamePolicy.separate { bindir = bindir, bootdir = bootdir }
117 :     { arch = arch, os = os }
118 :    
119 :     fun mkParam { primconf, pervasive, pervcorepids, fnpolicy }
120 :     { corenv } =
121 : blume 349 { primconf = primconf,
122 :     fnpolicy = fnpolicy,
123 :     pcmode = pcmode,
124 :     symenv = SSV.env,
125 :     keep_going = keep_going,
126 :     pervasive = pervasive,
127 :     corenv = corenv,
128 :     pervcorepids = pervcorepids }
129 :    
130 : blume 327 val emptydyn = E.dynamicPart E.emptyEnv
131 :    
132 :     (* first, build an initial GeneralParam.info, so we can
133 :     * deal with the pervasive env and friends... *)
134 :    
135 : blume 360 val primconf = Primitive.primEnvConf
136 : blume 349 val mkInitParam = mkParam { primconf = primconf,
137 :     pervasive = E.emptyEnv,
138 : blume 357 pervcorepids = PidSet.empty,
139 :     fnpolicy = initfnpolicy }
140 : blume 327
141 : blume 349 val param_nocore = mkInitParam { corenv = BE.staticPart BE.emptyEnv }
142 :    
143 : blume 327 val groupreg = GroupReg.new ()
144 :     val errcons = EM.defaultConsumer ()
145 : blume 329 val ginfo_nocore = { param = param_nocore, groupreg = groupreg,
146 :     errcons = errcons }
147 : blume 327
148 :     fun main_compile arg = let
149 : blume 335 val { rts, core, pervasive, primitives, binpaths } = arg
150 : blume 327
151 : blume 329 val ovldR = GenericVC.Control.overloadKW
152 :     val savedOvld = !ovldR
153 :     val _ = ovldR := true
154 :    
155 : blume 327 (* here we build a new gp -- the one that uses the freshly
156 :     * brewed pervasive env, core env, and primitives *)
157 : blume 358 val core = valOf (RT.sbnode ginfo_nocore core)
158 : blume 329 val corenv = CoerceEnv.es2bs (#1 (#stat core))
159 : blume 356 val core_sym = #1 (#sym core)
160 : blume 329
161 :     (* The following is a bit of a hack (but corenv is a hack anyway):
162 :     * As soon as we have core available, we have to patch the
163 :     * ginfo to include the correct corenv (because virtually
164 :     * everybody else needs access to corenv). *)
165 : blume 349 val param_justcore = mkInitParam { corenv = corenv }
166 : blume 329 val ginfo_justcore = { param = param_justcore, groupreg = groupreg,
167 :     errcons = errcons }
168 :    
169 : blume 358 fun rt n = valOf (RT.sbnode ginfo_justcore n)
170 : blume 327 val rts = rt rts
171 :     val pervasive = rt pervasive
172 :    
173 :     fun sn2pspec (name, n) = let
174 :     val { stat = (s, sp), sym = (sy, syp), ctxt } = rt n
175 :     val env =
176 :     E.mkenv { static = s, symbolic = sy, dynamic = emptydyn }
177 :     val pidInfo = { statpid = sp, sympid = syp, ctxt = ctxt }
178 :     in
179 :     { name = name, env = env, pidInfo = pidInfo }
180 :     end
181 :    
182 :     val pspecs = map sn2pspec primitives
183 :    
184 : blume 329 val _ = ovldR := savedOvld
185 :    
186 : blume 356 (* This is a hack but must be done for both the symbolic
187 :     * and later the dynamic part of the core environment:
188 :     * we must include these parts in the pervasive env. *)
189 :     val perv_sym = E.layerSymbolic (#1 (#sym pervasive), core_sym)
190 :    
191 : blume 349 val param =
192 :     mkParam { primconf = Primitive.configuration pspecs,
193 : blume 327 pervasive = E.mkenv { static = #1 (#stat pervasive),
194 : blume 356 symbolic = perv_sym,
195 : blume 327 dynamic = emptydyn },
196 :     pervcorepids =
197 :     PidSet.addList (PidSet.empty,
198 :     [#2 (#stat pervasive),
199 :     #2 (#sym pervasive),
200 : blume 357 #2 (#stat core)]),
201 :     fnpolicy = mainfnpolicy }
202 : blume 349 { corenv = corenv }
203 : blume 327 in
204 : blume 358 case Parse.parse NONE param (SOME true) maingspec of
205 : blume 349 NONE => false
206 : blume 329 | SOME (g, gp) =>
207 : blume 349 if recomp gp g then let
208 :     val rtspid = PS.toHex (#2 (#stat rts))
209 :     val bootfiles =
210 :     map (fn x => (x, NONE)) binpaths @
211 :     MkBootList.group g
212 :     fun writeList s = let
213 :     fun offset NONE = ["\n"]
214 :     | offset (SOME i) = ["@", Int.toString i, "\n"]
215 :     fun showBootFile (p, off) =
216 : blume 358 TextIO.output (s, concat (listName p ::
217 :     offset off))
218 : blume 349 in
219 :     app showBootFile bootfiles
220 :     end
221 : blume 360 fun cpCMI (ins, outs) = let
222 :     val N = 4096
223 :     fun cp () =
224 :     if TextIO.endOfStream ins then ()
225 :     else (TextIO.output (outs,
226 :     TextIO.inputN (ins, N));
227 :     cp ())
228 :     in
229 :     cp ()
230 :     end
231 : blume 349 in
232 :     Say.say ["Runtime System PID is: ", rtspid, "\n"];
233 :     SafeIO.perform { openIt = fn () =>
234 : blume 354 AutoDir.openTextOut pidfile,
235 : blume 349 closeIt = TextIO.closeOut,
236 :     work = fn s =>
237 :     TextIO.output (s, rtspid ^ "\n"),
238 :     cleanup = fn () =>
239 : blume 354 OS.FileSys.remove pidfile
240 :     handle _ => () };
241 : blume 349 SafeIO.perform { openIt = fn () =>
242 : blume 354 AutoDir.openTextOut listfile,
243 : blume 349 closeIt = TextIO.closeOut,
244 :     work = writeList,
245 :     cleanup = fn () =>
246 : blume 354 OS.FileSys.remove listfile
247 :     handle _ => () };
248 : blume 360 SafeIO.perform { openIt = fn () =>
249 :     (SrcPath.openTextIn initgspec,
250 :     AutoDir.openTextOut cmifile),
251 :     closeIt = fn (ins, outs) =>
252 :     (TextIO.closeIn ins;
253 :     TextIO.closeOut outs),
254 :     work = cpCMI,
255 :     cleanup = fn () =>
256 :     OS.FileSys.remove cmifile
257 :     handle _ => () };
258 : blume 349 true
259 :     end
260 :     else false
261 : blume 351 end handle Option => (RT.reset (); false)
262 : blume 330 (* to catch valOf failures in "rt" *)
263 : blume 327 in
264 : blume 329 case BuildInitDG.build ginfo_nocore initgspec of
265 : blume 327 SOME x => main_compile x
266 : blume 349 | NONE => false
267 : blume 327 end
268 :     end

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