src/generic/Dsw/Mod/MakeMain.cp

   1 MODULE DswMakeMain;
   2
   3   IMPORT Kernel, Files, Log, Strings, DswOpts, DswProcs, DswDocuments, DevCPM, DevCPT, DevCPR, DevCPS;
   4
   5   CONST
   6     version = "0.3";
   7
   8     modDir = "Mod";
   9     sysDir = "System";
  10
  11     maxImps = 127;
  12     maxJobs = maxImps;
  13
  14     (* symbol values *)
  15     null = 0; times = 1; slash = 2; div = 3; mod = 4;
  16     and = 5; plus = 6; minus = 7; or = 8; eql = 9;
  17     neq = 10; lss = 11; leq = 12; gtr = 13; geq = 14;
  18     in = 15; is = 16; arrow = 17; dollar = 18; period = 19;
  19     comma = 20; colon = 21; upto = 22; rparen = 23; rbrak = 24;
  20     rbrace = 25; of = 26; then = 27; do = 28; to = 29;
  21     by = 30; not = 33;
  22     lparen = 40; lbrak = 41; lbrace = 42; becomes = 44;
  23     number = 45; nil = 46; string = 47; ident = 48; semicolon = 49;
  24     bar = 50; end = 51; else = 52; elsif = 53; until = 54;
  25     if = 55; case = 56; while = 57; repeat = 58; for = 59;
  26     loop = 60; with = 61; exit = 62; return = 63; array = 64;
  27     record = 65; pointer = 66; begin = 67; const = 68; type = 69;
  28     var = 70; out = 71; procedure = 72; close = 73; import = 74;
  29     module = 75; eof = 76;
  30
  31     (* module state flags *)
  32     imported = 0; trace = 1; hasObj = 2; hasSym = 3; hasErrors = 4;
  33     library = 5; force = 6;
  34
  35     debugImport = FALSE;
  36     debugOrder = FALSE;
  37     debugJobs = FALSE;
  38
  39   TYPE
  40     String = POINTER TO ARRAY OF CHAR;
  41
  42     Selector = POINTER TO RECORD
  43       name: DevCPT.Name;
  44       value: BOOLEAN;
  45       next: Selector
  46     END;
  47
  48     Module = POINTER TO RECORD
  49       name: DevCPT.Name;
  50       odc: Files.Name;
  51       depth: INTEGER; (* 0: leaf, MAX: root *)
  52       dir: DevCPM.Directory;
  53       mno: INTEGER;
  54       imp: ARRAY maxImps OF Module;
  55       flags: SET;
  56       worker: DswProcs.Process;
  57     END;
  58
  59   VAR (* options *)
  60     auto, trap, clean: BOOLEAN;
  61     exe, target, base: String;
  62     jobs: INTEGER;
  63
  64   VAR
  65     werr, err: INTEGER;
  66     mno, rno: INTEGER; (* num modules *)
  67     modList, lnkList, cmpList: ARRAY maxImps OF Module;
  68     def: Selector; (* with head, global list of selectors *)
  69     dirList: DevCPM.Directory;
  70
  71   PROCEDURE Error (IN str, p0, p1: ARRAY OF CHAR; i2: INTEGER);
  72     VAR p2: ARRAY 32 OF CHAR;
  73   BEGIN
  74     Strings.IntToString(i2, p2);
  75     Log.String("cpmake: "); Log.ParamMsg(str, p0, p1, p2); Log.Ln;
  76     INC(err);
  77     IF trap THEN
  78       HALT(100)
  79     END
  80   END Error;
  81
  82   (* --------- options --------- *)
  83
  84   PROCEDURE IdentLen (IN s: ARRAY OF CHAR): INTEGER;
  85     VAR i: INTEGER;
  86   BEGIN
  87     i := 0;
  88     IF Strings.IsIdentStart(s[0]) THEN
  89       REPEAT INC(i) UNTIL ~Strings.IsIdent(s[i])
  90     END;
  91     RETURN i
  92   END IdentLen;
  93
  94   PROCEDURE Define (n: ARRAY OF CHAR; overwrite: BOOLEAN);
  95     VAR i: INTEGER; v: BOOLEAN; s: Selector;
  96   BEGIN
  97     i := IdentLen(n);
  98     IF i # 0 THEN
  99       IF ~((n[i] = 0X) OR (((n[i] = "+") OR (n[i] = "-")) & (n[i + 1] = 0X))) THEN
 100         Error("defines: expectd + or - after identifier (^0)", n, "", 0)
 101       END;
 102       v := n[i] # "-"; n[i] := 0X; s := def;
 103       WHILE (s.next # NIL) & (s.next.name$ # n$) DO s := s.next END;
 104       IF s.next = NIL THEN
 105         NEW(s.next);
 106         Strings.StringToUtf8(n, s.next.name, i);
 107         ASSERT(i = 0);
 108         s.next.value := v
 109       ELSIF overwrite THEN
 110         s.next.value := v
 111       END
 112     ELSE Error("defines: '^0' not valid identifier", n, "", 0)
 113     END
 114   END Define;
 115
 116   PROCEDURE AddModule (IN n: ARRAY OF CHAR; selectors: Selector; dir: DevCPM.Directory);
 117     VAR i, res: INTEGER; m: Module;
 118   BEGIN
 119     i := IdentLen(n);
 120     IF (i # 0) & (n[i] = 0X) THEN
 121       i := 0;
 122       WHILE (i < mno) & (modList[i].name$ # n$) DO INC(i) END;
 123       IF i >= mno THEN
 124         NEW(m);
 125         Strings.StringToUtf8(n, m.name, res);
 126         ASSERT(res = 0);
 127         m.dir := dir;
 128         modList[i] := m;
 129         INC(mno)
 130       END
 131     ELSE
 132       Error("invalid module name", "", "", 0)
 133     END
 134   END AddModule;
 135
 136   PROCEDURE StrToInt (IN s: ARRAY OF CHAR; def: INTEGER): INTEGER;
 137     VAR x, res: INTEGER;
 138   BEGIN
 139     Strings.StringToInt(s, x, res);
 140     IF res # 0 THEN
 141       Error("invalid integer value", s, "", 0);
 142       x := def
 143     END;
 144     RETURN x
 145   END StrToInt;
 146
 147   PROCEDURE NewStr (IN s: ARRAY OF CHAR): String;
 148     VAR p: String;
 149   BEGIN
 150     NEW(p, LEN(s$) + 1); p^ := s$;
 151     RETURN p
 152   END NewStr;
 153
 154   PROCEDURE Help;
 155   BEGIN
 156     Log.String("Usage: cpmake [options] module..."); Log.Ln;
 157     Log.String("Options:"); Log.Ln;
 158     Log.String("  -a          Enable automatic dependency resolution"); Log.Ln;
 159     Log.String("  -c          Remove all generated files"); Log.Ln;
 160     Log.String("  -t target   Specify target rules"); Log.Ln;
 161     Log.String("  -o file     Generate object file"); Log.Ln;
 162     Log.String("  -j num      Specifies the number of jobs to run simultaneously"); Log.Ln;
 163     Log.String("  -f path     Specifies path to directory with targets"); Log.Ln;
 164     Log.String("  -h          Print help"); Log.Ln;
 165     Log.String("  -v          Print version"); Log.Ln;
 166     Kernel.Quit(0)
 167   END Help;
 168
 169   PROCEDURE ParseArgs;
 170   BEGIN
 171     exe := NIL; auto := FALSE; jobs := 1; def.next := NIL; mno := 0; rno := 0;
 172     target := NewStr("default"); base := NewStr("cprules");
 173     LOOP
 174       CASE DswOpts.GetOpt("acdgo:t:j:f:") OF
 175       | "a": auto := TRUE
 176       | "c": clean := TRUE
 177       | "d": trap := TRUE
 178       | "f": base := DswOpts.str
 179       | "h": Help
 180       | "j": jobs := MIN(MAX(StrToInt(DswOpts.str, 1), 1), maxJobs)
 181       | "o": exe := DswOpts.str
 182       | "t": target := DswOpts.str
 183       | "v": Log.String(version); Log.Ln; Kernel.Quit(0)
 184       | ":": Error("missing argument for option -^0", DswOpts.str, "", 0)
 185       | "?": Error("unknown option -^0", DswOpts.str, "", 0)
 186       | "$": AddModule(DswOpts.str, def, dirList)
 187       | 00X: EXIT
 188       END
 189     END
 190   END ParseArgs;
 191
 192   PROCEDURE ReadDefines;
 193     VAR loc: Files.Locator; name: Files.Name; m: DswDocuments.Model; r: DswDocuments.Reader; i, res: INTEGER;
 194   BEGIN
 195     loc := Files.dir.This(base).This(target);
 196     DswDocuments.Open(loc, "defines", m, res);
 197     IF res = 0 THEN
 198       r := m.NewReader(NIL);
 199       r.SetPos(0);
 200       r.Read;
 201       WHILE ~r.eot DO
 202         i := 0;
 203         WHILE ~r.eot & (r.char <= 20X) DO r.Read END;
 204         WHILE ~r.eot & (r.char > 20X) DO name[i] := r.char; r.Read; INC(i) END;
 205         IF i # 0 THEN name[i] := 0X; Define(name, FALSE) END
 206       END
 207     END
 208   END ReadDefines;
 209
 210   PROCEDURE CheckParams;
 211   BEGIN
 212     IF (exe # NIL) & (exe^ = "") THEN
 213       Error("specified empty file name for exe", "", "", 0)
 214     END;
 215     IF target^ = "" THEN
 216       Error("specified empty rule", "", "", 0)
 217     END;
 218     IF base^ = "" THEN
 219       Error("specified empty path to cpmake rules", "", "", 0)
 220     END;
 221     ReadDefines
 222   END CheckParams;
 223
 224   (* --------- loader --------- *)
 225
 226   PROCEDURE Import (m: Module; IN name: DevCPT.Name);
 227     VAR i, j: INTEGER; imp: Module;
 228   BEGIN
 229     ASSERT(m # NIL, 20);
 230     ASSERT(name # "", 21);
 231     IF debugImport THEN Log.String("  import "); Log.String(name$) END;
 232     IF name = "SYSTEM" THEN INCL(DevCPM.options, DevCPM.sysImp)
 233     ELSIF name = "COM" THEN INCL(DevCPM.options, DevCPM.com)
 234     ELSIF name = "JAVA" THEN INCL(DevCPM.options, DevCPM.java)
 235     ELSE
 236       IF debugImport THEN Log.Char(" ") END;
 237       i := 0; (* find module in local list *)
 238       WHILE (i < m.mno) & (m.imp[i].name$ # name$) DO INC(i) END;
 239       IF i >= m.mno THEN
 240         j := 0; (* find module in global list *)
 241         WHILE (j < mno) & (modList[j].name$ # name$) DO INC(j) END;
 242         IF j >= mno THEN
 243           IF ~auto THEN
 244             Log.String("module " + name + " required before " + m.name); Log.Ln; INC(werr)
 245           END;
 246           NEW(imp); imp.name := name$;
 247           modList[mno] := imp; INC(mno)
 248         ELSE
 249           imp := modList[j]
 250         END;
 251         m.imp[m.mno] := imp; INC(m.mno)
 252       ELSE DevCPM.err(1)
 253       END
 254     END;
 255     IF debugImport THEN Log.Ln END;
 256   END Import;
 257
 258   PROCEDURE ParseModule (m: Module);
 259     VAR sym: BYTE; SelfName, impName, aliasName: DevCPT.Name;
 260
 261     PROCEDURE err (n: SHORTINT);
 262     BEGIN DevCPM.err(n)
 263     END err;
 264
 265     PROCEDURE CheckSym(s: SHORTINT);
 266     BEGIN
 267       IF sym = s THEN DevCPS.Get(sym) ELSE DevCPM.err(s) END
 268     END CheckSym;
 269
 270   BEGIN
 271     IF debugImport THEN Log.String("module " + m.name); Log.Ln END;
 272     DevCPS.Init; DevCPS.Get(sym);
 273     IF sym = module THEN DevCPS.Get(sym) ELSE err(16) END;
 274     IF sym = ident THEN
 275       SelfName := DevCPS.name$; DevCPS.Get(sym);
 276       IF sym = lbrak THEN
 277         INCL(DevCPM.options, DevCPM.interface); DevCPS.Get(sym);
 278         IF sym = eql THEN DevCPS.Get(sym)
 279         ELSE INCL(DevCPM.options, DevCPM.noCode)
 280         END;
 281         IF sym = string THEN INCL(m.flags, library); DevCPS.Get(sym)
 282         ELSE err(string)
 283         END;
 284         CheckSym(rbrak)
 285       END;
 286       CheckSym(semicolon);
 287       IF sym = import THEN DevCPS.Get(sym);
 288         LOOP
 289           IF sym = ident THEN
 290             aliasName := DevCPS.name$; impName := aliasName$; DevCPS.Get(sym);
 291             IF sym = becomes THEN DevCPS.Get(sym);
 292               IF sym = ident THEN impName := DevCPS.name$; DevCPS.Get(sym) ELSE err(ident) END
 293             END;
 294             Import(m, impName)
 295           ELSE err(ident)
 296           END;
 297           IF sym = comma THEN DevCPS.Get(sym)
 298           ELSIF sym = ident THEN err(comma)
 299           ELSE EXIT
 300           END
 301         END;
 302         CheckSym(semicolon)
 303       END;
 304       LOOP (* preprocessor must read module fully *)
 305         IF sym = end THEN
 306           DevCPS.Get(sym);
 307           IF sym = ident THEN
 308             DevCPS.Get(sym);
 309             IF sym = period THEN
 310               IF DevCPS.name # SelfName THEN err(4) END;
 311               EXIT
 312             ELSIF sym = eof THEN
 313               err(period);
 314               EXIT
 315             END
 316           ELSIF sym = eof THEN
 317             err(ident);
 318             EXIT
 319           END;
 320         ELSIF sym = eof THEN
 321           err(end);
 322           EXIT
 323         ELSE
 324           DevCPS.Get(sym);
 325         END
 326       END
 327     ELSE err(ident)
 328     END;
 329     DevCPS.str := NIL
 330   END ParseModule;
 331
 332   PROCEDURE CheckModule (m: Module; source: String; OUT ok: BOOLEAN);
 333     VAR s: Selector;
 334   BEGIN
 335     DevCPM.Init(source);
 336     DevCPM.symList := m.dir;
 337     (*DevCPM.codePath := m.outcode;*)
 338     (*DevCPM.symPath := m.outsym;*)
 339     DevCPM.name := m.name$;
 340     INCL(DevCPM.options, DevCPM.comAware);
 341     IF trap THEN
 342       INCL(DevCPM.options, DevCPM.trap)
 343     END;
 344     (*IF oberon IN m.opts THEN INCL(DevCPM.options, DevCPM.oberon) END;*)
 345     DevCPR.Init;
 346     s := def.next;
 347     WHILE s # NIL DO
 348       DevCPR.Set(s.name, s.value);
 349       s := s.next
 350     END;
 351     ParseModule(m);
 352     DevCPR.Check;
 353     ok := DevCPM.noerr;
 354     IF DevCPR.used THEN INCL(m.flags, force) END;
 355     DevCPR.Close;
 356     DevCPM.InsertMarks;
 357     DevCPM.Close;
 358     Kernel.FastCollect
 359   END CheckModule;
 360
 361   PROCEDURE MakePath (IN dir, name: Files.Name; IN type: Files.Type; OUT path: Files.Name);
 362   BEGIN
 363     ASSERT(name # "", 21);
 364     IF dir = "" THEN path := modDir + "/" + name
 365     ELSE path := dir + "/" + modDir + "/" + name
 366     END;
 367     Kernel.MakeFileName(path, type)
 368   END MakePath;
 369
 370   PROCEDURE Open (loc: Files.Locator; IN sub, name: Files.Name; OUT path: Files.Name; OUT text: DswDocuments.Model);
 371     VAR res: INTEGER;
 372   BEGIN
 373     ASSERT(loc # NIL, 20);
 374     ASSERT(name # "", 21);
 375     (* !!! use Kernel.MakeFileName instead ".ext" concat !!! *)
 376     MakePath(sub, name, "cp", path);
 377     DswDocuments.Open(loc, name + ".cp", text, res);
 378     IF text = NIL THEN
 379       MakePath(sub, name, "odc", path);
 380       DswDocuments.Open(loc, name + ".odc", text, res);
 381       IF (text = NIL) & (sub = "") THEN
 382         MakePath(sysDir, name, "cp", path);
 383         loc := Files.dir.This(sysDir).This(modDir);
 384         DswDocuments.Open(loc, name + ".cp", text, res);
 385         IF text = NIL THEN
 386           MakePath(sysDir, name, "odc", path);
 387           DswDocuments.Open(loc, name + ".odc", text, res);
 388           IF text = NIL THEN
 389             path := ""
 390           END
 391         END
 392       END
 393     END
 394   END Open;
 395
 396   PROCEDURE GetSource (IN modName: ARRAY OF CHAR; list: DevCPM.Directory; OUT path: Files.Name; OUT s: String);
 397     VAR
 398       sub, name: Files.Name; loc: Files.Locator; base: DevCPM.Directory;
 399       text: DswDocuments.Model; r: DswDocuments.Reader; i, res: INTEGER;
 400   BEGIN
 401     s := NIL; path := ""; base := list;
 402     Kernel.SplitName(modName, sub, name);
 403     loc := Files.dir.This(sub).This(modDir);
 404     Open(loc, sub, name, path, text);
 405     WHILE (text = NIL) & (base # NIL) DO
 406       ASSERT(base.legacy, 100);
 407       loc := Files.dir.This(base.path).This(sub).This(modDir);
 408       Open(loc, sub, name, path, text);
 409       base := base.next
 410     END;
 411     IF text # NIL THEN
 412       NEW(s, text.Length() + 1);
 413       IF s # NIL THEN
 414         r := text.NewReader(NIL);
 415         FOR i := 0 TO text.Length() - 1 DO
 416           r.Read; s[i] := r.char
 417         END
 418       END
 419     END
 420   END GetSource;
 421
 422   PROCEDURE Trace (m, parent: Module; VAR lno: INTEGER);
 423     VAR i: INTEGER;
 424   BEGIN
 425     IF ~(trace IN m.flags) THEN
 426       INCL(m.flags, trace);
 427       FOR i := 0 TO m.mno - 1 DO
 428         Trace(m.imp[i], m, lno);
 429         m.depth := MAX(m.depth, m.imp[i].depth + 1)
 430       END;
 431       IF ~(imported IN m.flags) THEN
 432         INCL(m.flags, imported);
 433         lnkList[lno] := m;
 434         INC(lno)
 435       END;
 436       EXCL(m.flags, trace)
 437     ELSE
 438       Error("recursive import of ^0 in ^1", m.name$, parent.name$, 0)
 439     END
 440   END Trace;
 441
 442   PROCEDURE Sort;
 443     VAR i, j: INTEGER; m: Module;
 444   BEGIN
 445     ASSERT((mno = 0) OR (lnkList[0] # NIL), 20);
 446     cmpList := lnkList;
 447     i := 1;
 448     WHILE i < mno DO
 449       m := cmpList[i];
 450       j := i - 1;
 451       WHILE (j >= 0) & (cmpList[j].depth > m.depth) DO
 452         cmpList[j + 1] := cmpList[j];
 453         DEC(j)
 454       END;
 455       cmpList[j + 1] := m;
 456       INC(i)
 457     END
 458   END Sort;
 459
 460   PROCEDURE CheckDeps;
 461     VAR i, j, num: INTEGER; m: Module; src: String; ok: BOOLEAN;
 462   BEGIN
 463     i := 0; rno := mno;
 464     WHILE (err = 0) & (i < mno) DO
 465       m := modList[i];
 466       GetSource(m.name$, m.dir, m.odc, src);
 467       IF src # NIL THEN
 468         CheckModule(m, src, ok);
 469         IF ~ok THEN INC(err) END
 470       ELSE
 471         Error("unable to open module ^1", m.name$, "", 0)
 472       END;
 473       INC(i)
 474     END;
 475     INC(err, werr);
 476     num := 0;
 477     FOR i := 0 TO rno - 1 DO
 478       Trace(modList[i], modList[i], num)
 479     END;
 480     ASSERT((err # 0) OR (num = mno), 100);
 481     Sort;
 482     IF debugOrder THEN
 483       Log.String("Parallel depth:"); Log.Ln;
 484       FOR i := 0 TO mno - 1 DO
 485         Log.String("  " + cmpList[i].name); Log.Int(cmpList[i].depth); Log.Ln;
 486       END
 487     END
 488   END CheckDeps;
 489
 490   PROCEDURE IsCompiled (m: Module): BOOLEAN;
 491     CONST target = {hasSym, hasObj};
 492     VAR i: INTEGER; ready: BOOLEAN;
 493   BEGIN
 494     ASSERT(m # NIL, 20);
 495     i := 0;
 496     ready := ~(hasErrors IN m.flags) & (m.flags * target = target);
 497     WHILE ready & (i < m.mno) DO
 498       ready := IsCompiled(m.imp[i]);
 499       INC(i)
 500     END;
 501     RETURN ready
 502   END IsCompiled;
 503
 504   PROCEDURE Ready (m: Module): BOOLEAN;
 505     CONST target = {hasSym, hasObj};
 506     VAR i: INTEGER; ready: BOOLEAN;
 507   BEGIN
 508     i := 0;
 509     ready := ~(hasErrors IN m.flags) & (m.flags * target # target) & (m.worker = NIL);
 510     WHILE ready & (i < m.mno) DO
 511       ready := IsCompiled(m.imp[i]);
 512       INC(i)
 513     END;
 514     RETURN ready
 515   END Ready;
 516
 517   PROCEDURE PrepareCompiler (m: Module): DswProcs.Process;
 518     VAR p: DswProcs.Process; s: Selector;
 519   BEGIN
 520     ASSERT(m # NIL, 20);
 521     ASSERT(m.odc # "", 21);
 522     ASSERT(m.worker = NIL, 22);
 523     p := DswProcs.dir.New();
 524     p.Program(base + "/" + target + "/" + "build");
 525     p.PutParam(m.odc);
 526     IF force IN m.flags THEN p.PutParam("-f") END;
 527     IF library IN m.flags THEN p.PutParam("-s") END;
 528     s := def.next;
 529     WHILE s # NIL DO
 530       IF s.value THEN p.PutParam("-D") ELSE p.PutParam("-d") END;
 531       p.PutParam(s.name$);
 532       s := s.next
 533     END;
 534     RETURN p
 535   END PrepareCompiler;
 536
 537   PROCEDURE Compile;
 538     VAR i, j, num, res: INTEGER; ok: BOOLEAN; m: Module; w: DswProcs.Process;
 539   BEGIN
 540     IF mno = 0 THEN RETURN END;
 541     num := 0; j := 0;
 542     WHILE (err = 0) & (num < mno) OR (j > 0) DO
 543       i := 0;
 544       WHILE (err = 0) & (i < mno) & (j < jobs) DO
 545         m := cmpList[i];
 546         IF Ready(m) THEN
 547           w := PrepareCompiler(m);
 548           IF debugJobs THEN Log.String("Start job " + m.name) END;
 549           w.Execute(ok);
 550           IF ok THEN
 551             IF debugJobs THEN Log.String(" ok") END;
 552             m.worker := w;
 553             INC(j)
 554           ELSE
 555             IF debugJobs THEN Log.String(" fail") END;
 556             INCL(m.flags, hasErrors);
 557             INC(err)
 558           END;
 559           IF debugJobs THEN Log.Ln END
 560         END;
 561         INC(i)
 562       END;
 563       WHILE (err = 0) & (j >= jobs) OR (j > 0) DO
 564         i := 0;
 565         WHILE (j > 0) & (i < mno) DO
 566           m := cmpList[i];
 567           w := m.worker;
 568           IF (w # NIL) & w.IsTerminated() THEN
 569             res := w.Result();
 570             IF debugJobs THEN Log.String("Stop job " + m.name); Log.Int(res); Log.Ln END;
 571             IF res = 0 THEN
 572               INCL(m.flags, hasObj);
 573               INCL(m.flags, hasSym);
 574               INC(num)
 575             ELSE
 576               INCL(m.flags, hasErrors);
 577               INC(err)
 578             END;
 579             m.worker := NIL;
 580             DEC(j)
 581           END;
 582           INC(i)
 583         END
 584       END
 585     END
 586   END Compile;
 587
 588   PROCEDURE Link;
 589     VAR p: DswProcs.Process; ok: BOOLEAN; i, res: INTEGER;
 590   BEGIN
 591     IF exe # NIL THEN
 592       p := DswProcs.dir.New();
 593       p.Program(base + "/" + target + "/" + "link");
 594       p.PutParam(exe$);
 595       FOR i := 0 TO mno - 1 DO
 596         IF ~(library IN lnkList[i].flags) THEN
 597           p.PutParam(lnkList[i].name$)
 598         END
 599       END;
 600       p.Execute(ok);
 601       IF ok THEN
 602         p.Wait;
 603         res := p.Result();
 604         IF res # 0 THEN
 605           Error("link failed with code ^2", "", "", res)
 606         END
 607       ELSE Error("link failed: unable to execute script", "", "", 0)
 608       END
 609     END
 610   END Link;
 611
 612   PROCEDURE Cleanup;
 613     VAR p: DswProcs.Process; ok: BOOLEAN; res: INTEGER;
 614   BEGIN
 615     IF clean THEN
 616       p := DswProcs.dir.New();
 617       p.Program(base + "/" + target + "/" + "clean");
 618       p.Execute(ok);
 619       IF ok THEN
 620         p.Wait;
 621         res := p.Result();
 622         IF res # 0 THEN
 623           Error("cleanup failed with code ^2", "", "", res)
 624         END
 625       ELSE Error("cleanup failed: unable to execute script", "", "", 0)
 626       END
 627     END
 628   END Cleanup;
 629
 630   PROCEDURE Main;
 631   BEGIN
 632     IF Kernel.trapCount = 0 THEN
 633       ParseArgs;
 634       IF err = 0 THEN
 635         CheckParams;
 636         IF err = 0 THEN
 637           CheckDeps;
 638           IF err = 0 THEN
 639             Cleanup;
 640             IF err = 0 THEN
 641               Compile;
 642               IF err = 0 THEN
 643                 Link
 644               END
 645             END
 646           END
 647         END
 648       END
 649     ELSE Error("trap occured", "", "", 0)
 650     END;
 651     IF err = 0 THEN Kernel.Quit(0)
 652     ELSE Kernel.Quit(1)
 653     END
 654   END Main;
 655
 656 BEGIN
 657   NEW(def);
 658   ASSERT(def # NIL, 100);
 659   Kernel.intTrap := FALSE;
 660   Kernel.Start(Main)
 661 END DswMakeMain.