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

Parent Directory | Revision Log

---

Revision 518 - (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 :	blume	518	val os : SMLofNJ.SysInfo.os_kind
11 :			val load_plugin : string -> bool) :> sig
12 :	blume	364	val make' : string option -> bool
13 :			val make : unit -> bool
14 :	blume	362	val deliver' : string option -> bool
15 :			val deliver : unit -> bool
16 :			val reset : unit -> unit
17 :	blume	434	val symval : string -> { get: unit -> int option, set: int option -> unit }
18 :	blume	357	end = struct
19 :
20 :	blume	327	structure EM = GenericVC.ErrorMsg
21 :			structure E = GenericVC.Environment
22 :			structure SE = GenericVC.CMStaticEnv
23 :			structure BE = GenericVC.BareEnvironment
24 :			structure PS = GenericVC.PersStamps
25 :			structure CoerceEnv = GenericVC.CoerceEnv
26 :	blume	336	structure SSV = SpecificSymValFn (structure MachDepVC = MachDepVC
27 :			val os = os)
28 :	blume	364	structure P = OS.Path
29 :			structure F = OS.FileSys
30 :	blume	403	structure BF = MachDepVC.Binfile
31 :	blume	327
32 :	blume	452	val arch = MachDepVC.architecture
33 :			val osname = FilenamePolicy.kind2name os
34 :			val archos = concat [arch, "-", osname]
35 :
36 :	blume	456	fun init_servers (GroupGraph.GROUP { grouppath, ... }) =
37 :	blume	464	Servers.cmb { archos = archos,
38 :			root = SrcPath.descr grouppath }
39 :	blume	456
40 :	blume	448	structure Compile = CompileFn (structure MachDepVC = MachDepVC
41 :	blume	464	val compile_there =
42 :			Servers.compile o SrcPath.descr)
43 :	blume	360
44 :	blume	403	structure BFC = BfcFn (structure MachDepVC = MachDepVC)
45 :
46 :	blume	327	(* instantiate Stabilize... *)
47 :	blume	329	structure Stabilize =
48 :	blume	452	StabilizeFn (fun destroy_state _ i = Compile.evict i
49 :	blume	403	structure MachDepVC = MachDepVC
50 :	blume	399	fun recomp gp g = let
51 :	blume	403	val { store, get } = BFC.new ()
52 :	blume	456	val _ = init_servers g
53 :	blume	399	val { group, ... } =
54 :	blume	403	Compile.newTraversal (fn _ => fn _ => (),
55 :			store, g)
56 :	blume	399	in
57 :	blume	450	case Servers.withServers (fn () => group gp) of
58 :	blume	403	NONE => NONE
59 :			| SOME _ => SOME get
60 :			end
61 :			val getII = Compile.getII)
62 :	blume	398
63 :	blume	327	(* ... and Parse *)
64 :	blume	362	structure Parse = ParseFn (structure Stabilize = Stabilize
65 :	blume	372	fun pending () = SymbolMap.empty)
66 :	blume	327
67 :	blume	366	(* copying an input file to an output file safely... *)
68 :	blume	368	fun copyFile (oi, ci, oo, co, inp, outp, eof) (inf, outf) = let
69 :			fun workIn is = let
70 :			fun workOut os = let
71 :	blume	366	val N = 4096
72 :			fun loop () =
73 :	blume	368	if eof is then () else (outp (os, inp (is, N)); loop ())
74 :	blume	366	in
75 :			loop ()
76 :			end
77 :			in
78 :	blume	368	SafeIO.perform { openIt = fn () => oo outf,
79 :			closeIt = co,
80 :	blume	366	work = workOut,
81 :	blume	459	cleanup = fn _ =>
82 :	blume	366	(F.remove outf handle _ => ()) }
83 :			end
84 :	blume	364	in
85 :	blume	368	SafeIO.perform { openIt = fn () => oi inf,
86 :			closeIt = ci,
87 :	blume	366	work = workIn,
88 :	blume	459	cleanup = fn _ => () }
89 :	blume	364	end
90 :	blume	327
91 :	blume	368	val copyTextFile =
92 :			copyFile (TextIO.openIn, TextIO.closeIn,
93 :			AutoDir.openTextOut, TextIO.closeOut,
94 :			TextIO.inputN, TextIO.output, TextIO.endOfStream)
95 :
96 :			val copyBinFile =
97 :			copyFile (BinIO.openIn, BinIO.closeIn,
98 :			AutoDir.openBinOut, BinIO.closeOut,
99 :			BinIO.inputN, BinIO.output, BinIO.endOfStream)
100 :
101 :	blume	456	fun mk_compile deliver root dbopt = let
102 :	blume	358
103 :	blume	360	val dirbase = getOpt (dbopt, BtNames.dirbaseDefault)
104 :			val pcmodespec = BtNames.pcmodespec
105 :			val initgspec = BtNames.initgspec
106 :			val maingspec = BtNames.maingspec
107 :
108 :	blume	452	val bindir = concat [dirbase, ".bin.", archos]
109 :			val bootdir = concat [dirbase, ".boot.", archos]
110 :	blume	357
111 :	blume	364	fun listName (p, copy) =
112 :			case P.fromString p of
113 :			{ vol = "", isAbs = false, arcs = arc0 :: arc1 :: arcn } => let
114 :			fun win32name () =
115 :			concat (arc1 ::
116 :			foldr (fn (a, r) => "\\" :: a :: r) [] arcn)
117 :			fun doCopy () = let
118 :			val bootpath =
119 :			P.toString { isAbs = false, vol = "",
120 :			arcs = bootdir :: arc1 :: arcn }
121 :			in
122 :	blume	368	copyBinFile (p, bootpath)
123 :	blume	364	end
124 :			in
125 :			if copy andalso arc0 = bindir then doCopy () else ();
126 :			case os of
127 :			SMLofNJ.SysInfo.WIN32 => win32name ()
128 :			| _ => P.toString { isAbs = false, vol = "",
129 :			arcs = arc1 :: arcn }
130 :			end
131 :			| _ => raise Fail "BootstrapCompile:listName: bad name"
132 :
133 :	blume	433	val keep_going = #get StdConfig.keep_going ()
134 :	blume	329
135 :	blume	354	val ctxt = SrcPath.cwdContext ()
136 :	blume	329
137 :	blume	364	val pidfile = P.joinDirFile { dir = bootdir, file = "RTPID" }
138 :			val listfile = P.joinDirFile { dir = bootdir, file = "BOOTLIST" }
139 :	blume	329
140 :	blume	361	val pcmode = PathConfig.new ()
141 :			val _ = PathConfig.processSpecFile (pcmode, pcmodespec)
142 :	blume	329
143 :	blume	354	fun stdpath s = SrcPath.standard pcmode { context = ctxt, spec = s }
144 :	blume	352
145 :			val initgspec = stdpath initgspec
146 :	blume	456	val maingspec =
147 :			case root of
148 :			NONE => stdpath maingspec
149 :	blume	457	| SOME r => SrcPath.fromDescr pcmode r
150 :	blume	352
151 :	blume	360	val cmifile = valOf (SrcPath.reAnchoredName (initgspec, bootdir))
152 :			handle Option => raise Fail "BootstrapCompile: cmifile"
153 :
154 :	blume	364	val fnpolicy =
155 :	blume	357	FilenamePolicy.separate { bindir = bindir, bootdir = bootdir }
156 :			{ arch = arch, os = os }
157 :
158 :	blume	364	fun mkParam { primconf, pervasive, pervcorepids }
159 :	blume	357	{ corenv } =
160 :	blume	349	{ primconf = primconf,
161 :			fnpolicy = fnpolicy,
162 :			pcmode = pcmode,
163 :	blume	433	symval = SSV.symval,
164 :	blume	349	keep_going = keep_going,
165 :			pervasive = pervasive,
166 :			corenv = corenv,
167 :			pervcorepids = pervcorepids }
168 :
169 :	blume	327	val emptydyn = E.dynamicPart E.emptyEnv
170 :
171 :			(* first, build an initial GeneralParam.info, so we can
172 :			* deal with the pervasive env and friends... *)
173 :
174 :	blume	360	val primconf = Primitive.primEnvConf
175 :	blume	349	val mkInitParam = mkParam { primconf = primconf,
176 :			pervasive = E.emptyEnv,
177 :	blume	364	pervcorepids = PidSet.empty }
178 :	blume	327
179 :	blume	349	val param_nocore = mkInitParam { corenv = BE.staticPart BE.emptyEnv }
180 :
181 :	blume	327	val groupreg = GroupReg.new ()
182 :			val errcons = EM.defaultConsumer ()
183 :	blume	329	val ginfo_nocore = { param = param_nocore, groupreg = groupreg,
184 :			errcons = errcons }
185 :	blume	327
186 :	blume	449	fun mk_main_compile arg = let
187 :	blume	450
188 :	blume	335	val { rts, core, pervasive, primitives, binpaths } = arg
189 :	blume	327
190 :	blume	329	val ovldR = GenericVC.Control.overloadKW
191 :			val savedOvld = !ovldR
192 :			val _ = ovldR := true
193 :	blume	400	val sbnode = Compile.newSbnodeTraversal ()
194 :	blume	329
195 :	blume	327	(* here we build a new gp -- the one that uses the freshly
196 :			* brewed pervasive env, core env, and primitives *)
197 :	blume	398	val core = valOf (sbnode ginfo_nocore core)
198 :	blume	461	val corenv = CoerceEnv.es2bs (#env (#statenv core ()))
199 :	blume	460	val core_sym = #symenv core ()
200 :	blume	329
201 :			(* The following is a bit of a hack (but corenv is a hack anyway):
202 :			* As soon as we have core available, we have to patch the
203 :			* ginfo to include the correct corenv (because virtually
204 :			* everybody else needs access to corenv). *)
205 :	blume	349	val param_justcore = mkInitParam { corenv = corenv }
206 :	blume	329	val ginfo_justcore = { param = param_justcore, groupreg = groupreg,
207 :			errcons = errcons }
208 :
209 :	blume	398	fun rt n = valOf (sbnode ginfo_justcore n)
210 :	blume	327	val rts = rt rts
211 :			val pervasive = rt pervasive
212 :
213 :			fun sn2pspec (name, n) = let
214 :	blume	460	val { statenv, symenv, statpid, sympid } = rt n
215 :	blume	461	val { env = static, ctxt } = statenv ()
216 :	blume	327	val env =
217 :	blume	461	E.mkenv { static = static,
218 :	blume	398	symbolic = symenv (),
219 :			dynamic = emptydyn }
220 :	blume	461	val pidInfo =
221 :			{ statpid = statpid, sympid = sympid, ctxt = ctxt }
222 :	blume	327	in
223 :			{ name = name, env = env, pidInfo = pidInfo }
224 :			end
225 :
226 :			val pspecs = map sn2pspec primitives
227 :
228 :	blume	329	val _ = ovldR := savedOvld
229 :
230 :	blume	372	(* The following is a hack but must be done for both the symbolic
231 :	blume	356	* and later the dynamic part of the core environment:
232 :			* we must include these parts in the pervasive env. *)
233 :	blume	460	val perv_sym = E.layerSymbolic (#symenv pervasive (),
234 :	blume	398	core_sym)
235 :	blume	356
236 :	blume	349	val param =
237 :			mkParam { primconf = Primitive.configuration pspecs,
238 :	blume	461	pervasive =
239 :			E.mkenv { static = #env (#statenv pervasive ()),
240 :			symbolic = perv_sym,
241 :			dynamic = emptydyn },
242 :	blume	327	pervcorepids =
243 :			PidSet.addList (PidSet.empty,
244 :	blume	460	[#statpid pervasive,
245 :			#sympid pervasive,
246 :			#statpid core]) }
247 :	blume	349	{ corenv = corenv }
248 :	blume	362	val stab =
249 :			if deliver then SOME true else NONE
250 :	blume	327	in
251 :	blume	456	Servers.dirbase dirbase;
252 :	blume	518	case Parse.parse load_plugin NONE param stab maingspec of
253 :	blume	449	NONE => NONE
254 :	blume	399	| SOME (g, gp) => let
255 :	blume	449	fun thunk () = let
256 :	blume	456	val _ = init_servers g
257 :	blume	449	fun store _ = ()
258 :			val { group = recomp, ... } =
259 :			Compile.newTraversal (fn _ => fn _ => (), store, g)
260 :	blume	450	val res =
261 :			Servers.withServers (fn () => recomp gp)
262 :	blume	449	in
263 :	blume	450	if isSome res then let
264 :	blume	460	val rtspid = PS.toHex (#statpid rts)
265 :	blume	449	fun writeList s = let
266 :			fun add ((p, flag), l) = let
267 :			val n = listName (p, true)
268 :			in
269 :			if flag then n :: l else l
270 :			end
271 :			fun transcribe (p, NONE) = listName (p, true)
272 :			| transcribe (p, SOME (off, desc)) =
273 :			concat [listName (p, false),
274 :			"@", Int.toString off, ":", desc]
275 :			val bootstrings =
276 :			foldr add
277 :			(map transcribe (MkBootList.group g))
278 :			binpaths
279 :			fun show str =
280 :			(TextIO.output (s, str);
281 :			TextIO.output (s, "\n"))
282 :	blume	364	in
283 :	blume	449	app show bootstrings
284 :	blume	364	end
285 :	blume	349	in
286 :	blume	449	if deliver then
287 :			(SafeIO.perform
288 :			{ openIt = fn () =>
289 :			AutoDir.openTextOut pidfile,
290 :			closeIt = TextIO.closeOut,
291 :			work = fn s =>
292 :			TextIO.output (s, rtspid ^ "\n"),
293 :	blume	459	cleanup = fn _ =>
294 :	blume	449	OS.FileSys.remove pidfile
295 :			handle _ => () };
296 :			SafeIO.perform
297 :			{ openIt = fn () =>
298 :			AutoDir.openTextOut listfile,
299 :			closeIt = TextIO.closeOut,
300 :			work = writeList,
301 :	blume	459	cleanup = fn _ =>
302 :	blume	449	OS.FileSys.remove listfile
303 :			handle _ => () };
304 :			copyTextFile (SrcPath.osstring initgspec,
305 :			cmifile);
306 :			Say.say ["Runtime System PID is: ",
307 :			rtspid, "\n"])
308 :			else ();
309 :			true
310 :	blume	349	end
311 :	blume	449	else false
312 :	blume	349	end
313 :	blume	449	in
314 :	blume	457	SOME ((g, gp, pcmode), thunk)
315 :	blume	399	end
316 :	blume	449	end handle Option => (Compile.reset (); NONE)
317 :	blume	330	(* to catch valOf failures in "rt" *)
318 :	blume	327	in
319 :	blume	329	case BuildInitDG.build ginfo_nocore initgspec of
320 :	blume	449	SOME x => mk_main_compile x
321 :			| NONE => NONE
322 :	blume	327	end
323 :	blume	362
324 :	blume	449	fun compile deliver dbopt =
325 :	blume	456	case mk_compile deliver NONE dbopt of
326 :	blume	450	NONE => false
327 :	blume	459	| SOME (_, thunk) => thunk ()
328 :	blume	449
329 :			local
330 :	blume	456	fun slave (dirbase, root) =
331 :			case mk_compile false (SOME root) (SOME dirbase) of
332 :	blume	449	NONE => NONE
333 :	blume	457	| SOME ((g, gp, pcmode), _) => let
334 :	blume	449	val trav = Compile.newSbnodeTraversal () gp
335 :			fun trav' sbn = isSome (trav sbn)
336 :			in
337 :	blume	457	SOME (g, trav', pcmode)
338 :	blume	449	end
339 :			in
340 :	blume	452	val _ = CMBSlaveHook.init archos slave
341 :	blume	449	end
342 :
343 :	blume	362	fun reset () =
344 :	blume	398	(Compile.reset ();
345 :	blume	367	Parse.reset ())
346 :	blume	377
347 :			val make' = compile false
348 :			fun make () = make' NONE
349 :			fun deliver' arg =
350 :			SafeIO.perform { openIt = fn () => (),
351 :			closeIt = reset,
352 :			work = fn () => compile true arg,
353 :	blume	459	cleanup = fn _ => () }
354 :	blume	377	fun deliver () = deliver' NONE
355 :	blume	434	val symval = SSV.symval
356 :	blume	327	end

---

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