Annotation of /sml/trunk/src/cm/bootstrap/btcompile.sml

Parent Directory | Revision Log

---

Revision 461 - (view) (download)

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	452	functor BootstrapCompileFn (structure MachDepVC : MACHDEP_VC
10 :			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	452	val arch = MachDepVC.architecture
32 :			val osname = FilenamePolicy.kind2name os
33 :			val archos = concat [arch, "-", osname]
34 :
35 :	blume	456	fun init_servers (GroupGraph.GROUP { grouppath, ... }) =
36 :			Servers.cmb { archos = archos, root = grouppath }
37 :
38 :	blume	448	structure Compile = CompileFn (structure MachDepVC = MachDepVC
39 :	blume	449	val compile_there = Servers.compile)
40 :	blume	360
41 :	blume	403	structure BFC = BfcFn (structure MachDepVC = MachDepVC)
42 :
43 :	blume	327	(* instantiate Stabilize... *)
44 :	blume	329	structure Stabilize =
45 :	blume	452	StabilizeFn (fun destroy_state _ i = Compile.evict i
46 :	blume	403	structure MachDepVC = MachDepVC
47 :	blume	399	fun recomp gp g = let
48 :	blume	403	val { store, get } = BFC.new ()
49 :	blume	456	val _ = init_servers g
50 :	blume	399	val { group, ... } =
51 :	blume	403	Compile.newTraversal (fn _ => fn _ => (),
52 :			store, g)
53 :	blume	399	in
54 :	blume	450	case Servers.withServers (fn () => group gp) of
55 :	blume	403	NONE => NONE
56 :			| SOME _ => SOME get
57 :			end
58 :			val getII = Compile.getII)
59 :	blume	398
60 :	blume	327	(* ... and Parse *)
61 :	blume	362	structure Parse = ParseFn (structure Stabilize = Stabilize
62 :	blume	372	fun pending () = SymbolMap.empty)
63 :	blume	327
64 :	blume	366	(* copying an input file to an output file safely... *)
65 :	blume	368	fun copyFile (oi, ci, oo, co, inp, outp, eof) (inf, outf) = let
66 :			fun workIn is = let
67 :			fun workOut os = let
68 :	blume	366	val N = 4096
69 :			fun loop () =
70 :	blume	368	if eof is then () else (outp (os, inp (is, N)); loop ())
71 :	blume	366	in
72 :			loop ()
73 :			end
74 :			in
75 :	blume	368	SafeIO.perform { openIt = fn () => oo outf,
76 :			closeIt = co,
77 :	blume	366	work = workOut,
78 :	blume	459	cleanup = fn _ =>
79 :	blume	366	(F.remove outf handle _ => ()) }
80 :			end
81 :	blume	364	in
82 :	blume	368	SafeIO.perform { openIt = fn () => oi inf,
83 :			closeIt = ci,
84 :	blume	366	work = workIn,
85 :	blume	459	cleanup = fn _ => () }
86 :	blume	364	end
87 :	blume	327
88 :	blume	368	val copyTextFile =
89 :			copyFile (TextIO.openIn, TextIO.closeIn,
90 :			AutoDir.openTextOut, TextIO.closeOut,
91 :			TextIO.inputN, TextIO.output, TextIO.endOfStream)
92 :
93 :			val copyBinFile =
94 :			copyFile (BinIO.openIn, BinIO.closeIn,
95 :			AutoDir.openBinOut, BinIO.closeOut,
96 :			BinIO.inputN, BinIO.output, BinIO.endOfStream)
97 :
98 :	blume	456	fun mk_compile deliver root dbopt = let
99 :	blume	358
100 :	blume	360	val dirbase = getOpt (dbopt, BtNames.dirbaseDefault)
101 :			val pcmodespec = BtNames.pcmodespec
102 :			val initgspec = BtNames.initgspec
103 :			val maingspec = BtNames.maingspec
104 :
105 :	blume	452	val bindir = concat [dirbase, ".bin.", archos]
106 :			val bootdir = concat [dirbase, ".boot.", archos]
107 :	blume	357
108 :	blume	364	fun listName (p, copy) =
109 :			case P.fromString p of
110 :			{ vol = "", isAbs = false, arcs = arc0 :: arc1 :: arcn } => let
111 :			fun win32name () =
112 :			concat (arc1 ::
113 :			foldr (fn (a, r) => "\\" :: a :: r) [] arcn)
114 :			fun doCopy () = let
115 :			val bootpath =
116 :			P.toString { isAbs = false, vol = "",
117 :			arcs = bootdir :: arc1 :: arcn }
118 :			in
119 :	blume	368	copyBinFile (p, bootpath)
120 :	blume	364	end
121 :			in
122 :			if copy andalso arc0 = bindir then doCopy () else ();
123 :			case os of
124 :			SMLofNJ.SysInfo.WIN32 => win32name ()
125 :			| _ => P.toString { isAbs = false, vol = "",
126 :			arcs = arc1 :: arcn }
127 :			end
128 :			| _ => raise Fail "BootstrapCompile:listName: bad name"
129 :
130 :	blume	433	val keep_going = #get StdConfig.keep_going ()
131 :	blume	329
132 :	blume	354	val ctxt = SrcPath.cwdContext ()
133 :	blume	329
134 :	blume	364	val pidfile = P.joinDirFile { dir = bootdir, file = "RTPID" }
135 :			val listfile = P.joinDirFile { dir = bootdir, file = "BOOTLIST" }
136 :	blume	329
137 :	blume	361	val pcmode = PathConfig.new ()
138 :			val _ = PathConfig.processSpecFile (pcmode, pcmodespec)
139 :	blume	329
140 :	blume	354	fun stdpath s = SrcPath.standard pcmode { context = ctxt, spec = s }
141 :	blume	352
142 :			val initgspec = stdpath initgspec
143 :	blume	456	val maingspec =
144 :			case root of
145 :			NONE => stdpath maingspec
146 :	blume	457	| SOME r => SrcPath.fromDescr pcmode r
147 :	blume	352
148 :	blume	360	val cmifile = valOf (SrcPath.reAnchoredName (initgspec, bootdir))
149 :			handle Option => raise Fail "BootstrapCompile: cmifile"
150 :
151 :	blume	364	val fnpolicy =
152 :	blume	357	FilenamePolicy.separate { bindir = bindir, bootdir = bootdir }
153 :			{ arch = arch, os = os }
154 :
155 :	blume	364	fun mkParam { primconf, pervasive, pervcorepids }
156 :	blume	357	{ corenv } =
157 :	blume	349	{ primconf = primconf,
158 :			fnpolicy = fnpolicy,
159 :			pcmode = pcmode,
160 :	blume	433	symval = SSV.symval,
161 :	blume	349	keep_going = keep_going,
162 :			pervasive = pervasive,
163 :			corenv = corenv,
164 :			pervcorepids = pervcorepids }
165 :
166 :	blume	327	val emptydyn = E.dynamicPart E.emptyEnv
167 :
168 :			(* first, build an initial GeneralParam.info, so we can
169 :			* deal with the pervasive env and friends... *)
170 :
171 :	blume	360	val primconf = Primitive.primEnvConf
172 :	blume	349	val mkInitParam = mkParam { primconf = primconf,
173 :			pervasive = E.emptyEnv,
174 :	blume	364	pervcorepids = PidSet.empty }
175 :	blume	327
176 :	blume	349	val param_nocore = mkInitParam { corenv = BE.staticPart BE.emptyEnv }
177 :
178 :	blume	327	val groupreg = GroupReg.new ()
179 :			val errcons = EM.defaultConsumer ()
180 :	blume	329	val ginfo_nocore = { param = param_nocore, groupreg = groupreg,
181 :			errcons = errcons }
182 :	blume	327
183 :	blume	449	fun mk_main_compile arg = let
184 :	blume	450
185 :	blume	335	val { rts, core, pervasive, primitives, binpaths } = arg
186 :	blume	327
187 :	blume	329	val ovldR = GenericVC.Control.overloadKW
188 :			val savedOvld = !ovldR
189 :			val _ = ovldR := true
190 :	blume	400	val sbnode = Compile.newSbnodeTraversal ()
191 :	blume	329
192 :	blume	327	(* here we build a new gp -- the one that uses the freshly
193 :			* brewed pervasive env, core env, and primitives *)
194 :	blume	398	val core = valOf (sbnode ginfo_nocore core)
195 :	blume	461	val corenv = CoerceEnv.es2bs (#env (#statenv core ()))
196 :	blume	460	val core_sym = #symenv core ()
197 :	blume	329
198 :			(* The following is a bit of a hack (but corenv is a hack anyway):
199 :			* As soon as we have core available, we have to patch the
200 :			* ginfo to include the correct corenv (because virtually
201 :			* everybody else needs access to corenv). *)
202 :	blume	349	val param_justcore = mkInitParam { corenv = corenv }
203 :	blume	329	val ginfo_justcore = { param = param_justcore, groupreg = groupreg,
204 :			errcons = errcons }
205 :
206 :	blume	398	fun rt n = valOf (sbnode ginfo_justcore n)
207 :	blume	327	val rts = rt rts
208 :			val pervasive = rt pervasive
209 :
210 :			fun sn2pspec (name, n) = let
211 :	blume	460	val { statenv, symenv, statpid, sympid } = rt n
212 :	blume	461	val { env = static, ctxt } = statenv ()
213 :	blume	327	val env =
214 :	blume	461	E.mkenv { static = static,
215 :	blume	398	symbolic = symenv (),
216 :			dynamic = emptydyn }
217 :	blume	461	val pidInfo =
218 :			{ statpid = statpid, sympid = sympid, ctxt = ctxt }
219 :	blume	327	in
220 :			{ name = name, env = env, pidInfo = pidInfo }
221 :			end
222 :
223 :			val pspecs = map sn2pspec primitives
224 :
225 :	blume	329	val _ = ovldR := savedOvld
226 :
227 :	blume	372	(* The following is a hack but must be done for both the symbolic
228 :	blume	356	* and later the dynamic part of the core environment:
229 :			* we must include these parts in the pervasive env. *)
230 :	blume	460	val perv_sym = E.layerSymbolic (#symenv pervasive (),
231 :	blume	398	core_sym)
232 :	blume	356
233 :	blume	349	val param =
234 :			mkParam { primconf = Primitive.configuration pspecs,
235 :	blume	461	pervasive =
236 :			E.mkenv { static = #env (#statenv pervasive ()),
237 :			symbolic = perv_sym,
238 :			dynamic = emptydyn },
239 :	blume	327	pervcorepids =
240 :			PidSet.addList (PidSet.empty,
241 :	blume	460	[#statpid pervasive,
242 :			#sympid pervasive,
243 :			#statpid core]) }
244 :	blume	349	{ corenv = corenv }
245 :	blume	362	val stab =
246 :			if deliver then SOME true else NONE
247 :	blume	327	in
248 :	blume	456	Servers.dirbase dirbase;
249 :	blume	362	case Parse.parse NONE param stab maingspec of
250 :	blume	449	NONE => NONE
251 :	blume	399	| SOME (g, gp) => let
252 :	blume	449	fun thunk () = let
253 :	blume	456	val _ = init_servers g
254 :	blume	449	fun store _ = ()
255 :			val { group = recomp, ... } =
256 :			Compile.newTraversal (fn _ => fn _ => (), store, g)
257 :	blume	450	val res =
258 :			Servers.withServers (fn () => recomp gp)
259 :	blume	449	in
260 :	blume	450	if isSome res then let
261 :	blume	460	val rtspid = PS.toHex (#statpid rts)
262 :	blume	449	fun writeList s = let
263 :			fun add ((p, flag), l) = let
264 :			val n = listName (p, true)
265 :			in
266 :			if flag then n :: l else l
267 :			end
268 :			fun transcribe (p, NONE) = listName (p, true)
269 :			| transcribe (p, SOME (off, desc)) =
270 :			concat [listName (p, false),
271 :			"@", Int.toString off, ":", desc]
272 :			val bootstrings =
273 :			foldr add
274 :			(map transcribe (MkBootList.group g))
275 :			binpaths
276 :			fun show str =
277 :			(TextIO.output (s, str);
278 :			TextIO.output (s, "\n"))
279 :	blume	364	in
280 :	blume	449	app show bootstrings
281 :	blume	364	end
282 :	blume	349	in
283 :	blume	449	if deliver then
284 :			(SafeIO.perform
285 :			{ openIt = fn () =>
286 :			AutoDir.openTextOut pidfile,
287 :			closeIt = TextIO.closeOut,
288 :			work = fn s =>
289 :			TextIO.output (s, rtspid ^ "\n"),
290 :	blume	459	cleanup = fn _ =>
291 :	blume	449	OS.FileSys.remove pidfile
292 :			handle _ => () };
293 :			SafeIO.perform
294 :			{ openIt = fn () =>
295 :			AutoDir.openTextOut listfile,
296 :			closeIt = TextIO.closeOut,
297 :			work = writeList,
298 :	blume	459	cleanup = fn _ =>
299 :	blume	449	OS.FileSys.remove listfile
300 :			handle _ => () };
301 :			copyTextFile (SrcPath.osstring initgspec,
302 :			cmifile);
303 :			Say.say ["Runtime System PID is: ",
304 :			rtspid, "\n"])
305 :			else ();
306 :			true
307 :	blume	349	end
308 :	blume	449	else false
309 :	blume	349	end
310 :	blume	449	in
311 :	blume	457	SOME ((g, gp, pcmode), thunk)
312 :	blume	399	end
313 :	blume	449	end handle Option => (Compile.reset (); NONE)
314 :	blume	330	(* to catch valOf failures in "rt" *)
315 :	blume	327	in
316 :	blume	329	case BuildInitDG.build ginfo_nocore initgspec of
317 :	blume	449	SOME x => mk_main_compile x
318 :			| NONE => NONE
319 :	blume	327	end
320 :	blume	362
321 :	blume	449	fun compile deliver dbopt =
322 :	blume	456	case mk_compile deliver NONE dbopt of
323 :	blume	450	NONE => false
324 :	blume	459	| SOME (_, thunk) => thunk ()
325 :	blume	449
326 :			local
327 :	blume	456	fun slave (dirbase, root) =
328 :			case mk_compile false (SOME root) (SOME dirbase) of
329 :	blume	449	NONE => NONE
330 :	blume	457	| SOME ((g, gp, pcmode), _) => let
331 :	blume	449	val trav = Compile.newSbnodeTraversal () gp
332 :			fun trav' sbn = isSome (trav sbn)
333 :			in
334 :	blume	457	SOME (g, trav', pcmode)
335 :	blume	449	end
336 :			in
337 :	blume	452	val _ = CMBSlaveHook.init archos slave
338 :	blume	449	end
339 :
340 :	blume	362	fun reset () =
341 :	blume	398	(Compile.reset ();
342 :	blume	367	Parse.reset ())
343 :	blume	377
344 :			val make' = compile false
345 :			fun make () = make' NONE
346 :			fun deliver' arg =
347 :			SafeIO.perform { openIt = fn () => (),
348 :			closeIt = reset,
349 :			work = fn () => compile true arg,
350 :	blume	459	cleanup = fn _ => () }
351 :	blume	377	fun deliver () = deliver' NONE
352 :	blume	434	val symval = SSV.symval
353 :	blume	327	end

---

root@smlnj-gforge.cs.uchicago.edu	ViewVC Help
Powered by ViewVC 1.0.0