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

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