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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