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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 364 val make' : string option -> bool
12 :     val make : unit -> bool
13 : blume 362 val deliver' : string option -> bool
14 :     val deliver : unit -> bool
15 :     val reset : unit -> unit
16 : blume 434 val symval : string -> { get: unit -> int option, set: int option -> unit }
17 : blume 357 end = struct
18 :    
19 : blume 327 structure EM = GenericVC.ErrorMsg
20 :     structure E = GenericVC.Environment
21 :     structure SE = GenericVC.CMStaticEnv
22 :     structure BE = GenericVC.BareEnvironment
23 :     structure PS = GenericVC.PersStamps
24 :     structure CoerceEnv = GenericVC.CoerceEnv
25 : blume 336 structure SSV = SpecificSymValFn (structure MachDepVC = MachDepVC
26 :     val os = os)
27 : blume 364 structure P = OS.Path
28 :     structure F = OS.FileSys
29 : blume 403 structure BF = MachDepVC.Binfile
30 : blume 327
31 : blume 399 structure Compile = CompileFn (structure MachDepVC = MachDepVC)
32 : blume 360
33 : blume 403 structure BFC = BfcFn (structure MachDepVC = MachDepVC)
34 :    
35 : blume 327 (* instantiate Stabilize... *)
36 : blume 329 structure Stabilize =
37 : blume 432 StabilizeFn (fun destroy_state _ i = Compile.evict i
38 : blume 403 structure MachDepVC = MachDepVC
39 : blume 399 fun recomp gp g = let
40 : blume 403 val { store, get } = BFC.new ()
41 : blume 399 val { group, ... } =
42 : blume 403 Compile.newTraversal (fn _ => fn _ => (),
43 :     store, g)
44 : blume 399 in
45 : blume 403 case group gp of
46 :     NONE => NONE
47 :     | SOME _ => SOME get
48 :     end
49 :     val getII = Compile.getII)
50 : blume 398
51 : blume 327 (* ... and Parse *)
52 : blume 362 structure Parse = ParseFn (structure Stabilize = Stabilize
53 : blume 372 fun pending () = SymbolMap.empty)
54 : blume 327
55 : blume 366 (* copying an input file to an output file safely... *)
56 : blume 368 fun copyFile (oi, ci, oo, co, inp, outp, eof) (inf, outf) = let
57 :     fun workIn is = let
58 :     fun workOut os = let
59 : blume 366 val N = 4096
60 :     fun loop () =
61 : blume 368 if eof is then () else (outp (os, inp (is, N)); loop ())
62 : blume 366 in
63 :     loop ()
64 :     end
65 :     in
66 : blume 368 SafeIO.perform { openIt = fn () => oo outf,
67 :     closeIt = co,
68 : blume 366 work = workOut,
69 :     cleanup = fn () =>
70 :     (F.remove outf handle _ => ()) }
71 :     end
72 : blume 364 in
73 : blume 368 SafeIO.perform { openIt = fn () => oi inf,
74 :     closeIt = ci,
75 : blume 366 work = workIn,
76 :     cleanup = fn () => () }
77 : blume 364 end
78 : blume 327
79 : blume 368 val copyTextFile =
80 :     copyFile (TextIO.openIn, TextIO.closeIn,
81 :     AutoDir.openTextOut, TextIO.closeOut,
82 :     TextIO.inputN, TextIO.output, TextIO.endOfStream)
83 :    
84 :     val copyBinFile =
85 :     copyFile (BinIO.openIn, BinIO.closeIn,
86 :     AutoDir.openBinOut, BinIO.closeOut,
87 :     BinIO.inputN, BinIO.output, BinIO.endOfStream)
88 :    
89 : blume 362 fun compile deliver dbopt = let
90 : blume 358
91 : blume 360 val dirbase = getOpt (dbopt, BtNames.dirbaseDefault)
92 :     val pcmodespec = BtNames.pcmodespec
93 :     val initgspec = BtNames.initgspec
94 :     val maingspec = BtNames.maingspec
95 :    
96 : blume 357 val arch = MachDepVC.architecture
97 :     val osname = FilenamePolicy.kind2name os
98 :     val bindir = concat [dirbase, ".bin.", arch, "-", osname]
99 :     val bootdir = concat [dirbase, ".boot.", arch, "-", osname]
100 :    
101 : blume 364 fun listName (p, copy) =
102 :     case P.fromString p of
103 :     { vol = "", isAbs = false, arcs = arc0 :: arc1 :: arcn } => let
104 :     fun win32name () =
105 :     concat (arc1 ::
106 :     foldr (fn (a, r) => "\\" :: a :: r) [] arcn)
107 :     fun doCopy () = let
108 :     val bootpath =
109 :     P.toString { isAbs = false, vol = "",
110 :     arcs = bootdir :: arc1 :: arcn }
111 :     in
112 : blume 368 copyBinFile (p, bootpath)
113 : blume 364 end
114 :     in
115 :     if copy andalso arc0 = bindir then doCopy () else ();
116 :     case os of
117 :     SMLofNJ.SysInfo.WIN32 => win32name ()
118 :     | _ => P.toString { isAbs = false, vol = "",
119 :     arcs = arc1 :: arcn }
120 :     end
121 :     | _ => raise Fail "BootstrapCompile:listName: bad name"
122 :    
123 : blume 433 val keep_going = #get StdConfig.keep_going ()
124 : blume 329
125 : blume 354 val ctxt = SrcPath.cwdContext ()
126 : blume 329
127 : blume 364 val pidfile = P.joinDirFile { dir = bootdir, file = "RTPID" }
128 :     val listfile = P.joinDirFile { dir = bootdir, file = "BOOTLIST" }
129 : blume 329
130 : blume 361 val pcmode = PathConfig.new ()
131 :     val _ = PathConfig.processSpecFile (pcmode, pcmodespec)
132 : blume 329
133 : blume 354 fun stdpath s = SrcPath.standard pcmode { context = ctxt, spec = s }
134 : blume 352
135 :     val initgspec = stdpath initgspec
136 :     val maingspec = stdpath maingspec
137 :    
138 : blume 360 val cmifile = valOf (SrcPath.reAnchoredName (initgspec, bootdir))
139 :     handle Option => raise Fail "BootstrapCompile: cmifile"
140 :    
141 : blume 364 val fnpolicy =
142 : blume 357 FilenamePolicy.separate { bindir = bindir, bootdir = bootdir }
143 :     { arch = arch, os = os }
144 :    
145 : blume 364 fun mkParam { primconf, pervasive, pervcorepids }
146 : blume 357 { corenv } =
147 : blume 349 { primconf = primconf,
148 :     fnpolicy = fnpolicy,
149 :     pcmode = pcmode,
150 : blume 433 symval = SSV.symval,
151 : blume 349 keep_going = keep_going,
152 :     pervasive = pervasive,
153 :     corenv = corenv,
154 :     pervcorepids = pervcorepids }
155 :    
156 : blume 327 val emptydyn = E.dynamicPart E.emptyEnv
157 :    
158 :     (* first, build an initial GeneralParam.info, so we can
159 :     * deal with the pervasive env and friends... *)
160 :    
161 : blume 360 val primconf = Primitive.primEnvConf
162 : blume 349 val mkInitParam = mkParam { primconf = primconf,
163 :     pervasive = E.emptyEnv,
164 : blume 364 pervcorepids = PidSet.empty }
165 : blume 327
166 : blume 349 val param_nocore = mkInitParam { corenv = BE.staticPart BE.emptyEnv }
167 :    
168 : blume 327 val groupreg = GroupReg.new ()
169 :     val errcons = EM.defaultConsumer ()
170 : blume 329 val ginfo_nocore = { param = param_nocore, groupreg = groupreg,
171 :     errcons = errcons }
172 : blume 327
173 :     fun main_compile arg = let
174 : blume 335 val { rts, core, pervasive, primitives, binpaths } = arg
175 : blume 327
176 : blume 329 val ovldR = GenericVC.Control.overloadKW
177 :     val savedOvld = !ovldR
178 :     val _ = ovldR := true
179 : blume 400 val sbnode = Compile.newSbnodeTraversal ()
180 : blume 329
181 : blume 327 (* here we build a new gp -- the one that uses the freshly
182 :     * brewed pervasive env, core env, and primitives *)
183 : blume 398 val core = valOf (sbnode ginfo_nocore core)
184 :     val corenv = CoerceEnv.es2bs (#statenv (#ii core) ())
185 :     val core_sym = #symenv (#ii core) ()
186 : blume 329
187 :     (* The following is a bit of a hack (but corenv is a hack anyway):
188 :     * As soon as we have core available, we have to patch the
189 :     * ginfo to include the correct corenv (because virtually
190 :     * everybody else needs access to corenv). *)
191 : blume 349 val param_justcore = mkInitParam { corenv = corenv }
192 : blume 329 val ginfo_justcore = { param = param_justcore, groupreg = groupreg,
193 :     errcons = errcons }
194 :    
195 : blume 398 fun rt n = valOf (sbnode ginfo_justcore n)
196 : blume 327 val rts = rt rts
197 :     val pervasive = rt pervasive
198 :    
199 :     fun sn2pspec (name, n) = let
200 : blume 398 val { ii = { statenv, symenv, statpid, sympid }, ctxt } = rt n
201 : blume 327 val env =
202 : blume 398 E.mkenv { static = statenv (),
203 :     symbolic = symenv (),
204 :     dynamic = emptydyn }
205 :     val pidInfo =
206 :     { statpid = statpid, sympid = sympid, ctxt = ctxt }
207 : blume 327 in
208 :     { name = name, env = env, pidInfo = pidInfo }
209 :     end
210 :    
211 :     val pspecs = map sn2pspec primitives
212 :    
213 : blume 329 val _ = ovldR := savedOvld
214 :    
215 : blume 372 (* The following is a hack but must be done for both the symbolic
216 : blume 356 * and later the dynamic part of the core environment:
217 :     * we must include these parts in the pervasive env. *)
218 : blume 398 val perv_sym = E.layerSymbolic (#symenv (#ii pervasive) (),
219 :     core_sym)
220 : blume 356
221 : blume 349 val param =
222 :     mkParam { primconf = Primitive.configuration pspecs,
223 : blume 398 pervasive = E.mkenv { static =
224 :     #statenv (#ii pervasive) (),
225 : blume 356 symbolic = perv_sym,
226 : blume 327 dynamic = emptydyn },
227 :     pervcorepids =
228 :     PidSet.addList (PidSet.empty,
229 : blume 398 [#statpid (#ii pervasive),
230 :     #sympid (#ii pervasive),
231 :     #statpid (#ii core)]) }
232 : blume 349 { corenv = corenv }
233 : blume 362 val stab =
234 :     if deliver then SOME true else NONE
235 : blume 327 in
236 : blume 362 case Parse.parse NONE param stab maingspec of
237 : blume 349 NONE => false
238 : blume 399 | SOME (g, gp) => let
239 : blume 403 fun store _ = ()
240 : blume 399 val { group = recomp, ... } =
241 : blume 403 Compile.newTraversal (fn _ => fn _ => (), store, g)
242 : blume 399 in
243 :     if isSome (recomp gp) then let
244 : blume 398 val rtspid = PS.toHex (#statpid (#ii rts))
245 : blume 349 fun writeList s = let
246 : blume 364 fun add ((p, flag), l) = let
247 :     val n = listName (p, true)
248 :     in
249 :     if flag then n :: l else l
250 :     end
251 :     fun transcribe (p, NONE) = listName (p, true)
252 :     | transcribe (p, SOME (off, desc)) =
253 :     concat [listName (p, false),
254 :     "@", Int.toString off, ":", desc]
255 :     val bootstrings =
256 :     foldr add (map transcribe (MkBootList.group g))
257 :     binpaths
258 :     fun show str =
259 :     (TextIO.output (s, str);
260 :     TextIO.output (s, "\n"))
261 : blume 349 in
262 : blume 364 app show bootstrings
263 : blume 349 end
264 :     in
265 : blume 362 if deliver then
266 :     (SafeIO.perform { openIt = fn () =>
267 : blume 354 AutoDir.openTextOut pidfile,
268 : blume 349 closeIt = TextIO.closeOut,
269 :     work = fn s =>
270 :     TextIO.output (s, rtspid ^ "\n"),
271 :     cleanup = fn () =>
272 : blume 354 OS.FileSys.remove pidfile
273 :     handle _ => () };
274 : blume 349 SafeIO.perform { openIt = fn () =>
275 : blume 354 AutoDir.openTextOut listfile,
276 : blume 349 closeIt = TextIO.closeOut,
277 :     work = writeList,
278 :     cleanup = fn () =>
279 : blume 354 OS.FileSys.remove listfile
280 :     handle _ => () };
281 : blume 368 copyTextFile (SrcPath.osstring initgspec, cmifile);
282 : blume 366 Say.say ["Runtime System PID is: ", rtspid, "\n"])
283 : blume 362 else ();
284 :     true
285 : blume 349 end
286 :     else false
287 : blume 399 end
288 : blume 398 end handle Option => (Compile.reset (); false)
289 : blume 330 (* to catch valOf failures in "rt" *)
290 : blume 327 in
291 : blume 329 case BuildInitDG.build ginfo_nocore initgspec of
292 : blume 327 SOME x => main_compile x
293 : blume 349 | NONE => false
294 : blume 327 end
295 : blume 362
296 :     fun reset () =
297 : blume 398 (Compile.reset ();
298 : blume 367 Parse.reset ())
299 : blume 377
300 :     val make' = compile false
301 :     fun make () = make' NONE
302 :     fun deliver' arg =
303 :     SafeIO.perform { openIt = fn () => (),
304 :     closeIt = reset,
305 :     work = fn () => compile true arg,
306 :     cleanup = fn () => () }
307 :     fun deliver () = deliver' NONE
308 : blume 434 val symval = SSV.symval
309 : blume 327 end

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