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, symonly: 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$;
 151     RETURN p
 152   END NewStr;
 153
 154   PROCEDURE Help;
 155   BEGIN
 156     Log.String("Usage: cpmake [options] module..."); Log.Ln;
 157     Log.String("Options:"); Log.Ln;
 158     Log.String("  -a          Enable automatic dependency resolution"); Log.Ln;
 159     Log.String("  -c          Remove all generated files"); Log.Ln;
 160     Log.String("  -s          Generate symbol files only"); Log.Ln;
 161     Log.String("  -t target   Specify target rules"); Log.Ln;
 162     Log.String("  -o file     Generate object file"); Log.Ln;
 163     Log.String("  -j num      Specifies the number of jobs to run simultaneously"); Log.Ln;
 164     Log.String("  -f path     Specifies path to directory with targets"); Log.Ln;
 165     Log.String("  -h          Print help"); Log.Ln;
 166     Log.String("  -v          Print version"); Log.Ln;
 167     Kernel.Quit(0)
 168   END Help;
 169
 170   PROCEDURE ParseArgs;
 171   BEGIN
 172     exe := NIL; auto := FALSE; jobs := 1; def.next := NIL; mno := 0; rno := 0;
 173     target := NewStr("default"); base := NewStr("cprules");
 174     LOOP
 175       CASE DswOpts.GetOpt("acdsgo:t:j:f:") OF
 176       | "a": auto := TRUE
 177       | "c": clean := TRUE
 178       | "d": trap := TRUE
 179       | "s": symonly := TRUE
 180       | "f": base := DswOpts.str
 181       | "h": Help
 182       | "j": jobs := MIN(MAX(StrToInt(DswOpts.str, 1), 1), maxJobs)
 183       | "o": exe := DswOpts.str
 184       | "t": target := DswOpts.str
 185       | "v": Log.String(version); Log.Ln; Kernel.Quit(0)
 186       | ":": Error("missing argument for option -^0", DswOpts.str, "", 0)
 187       | "?": Error("unknown option -^0", DswOpts.str, "", 0)
 188       | "$": AddModule(DswOpts.str, def, dirList)
 189       | 00X: EXIT
 190       END
 191     END
 192   END ParseArgs;
 193
 194   PROCEDURE ReadDefines;
 195     VAR loc: Files.Locator; name: Files.Name; m: DswDocuments.Model; r: DswDocuments.Reader; i, res: INTEGER;
 196   BEGIN
 197     loc := Files.dir.This(base).This(target);
 198     DswDocuments.Open(loc, "defines", m, res);
 199     IF res = 0 THEN
 200       r := m.NewReader(NIL);
 201       r.SetPos(0);
 202       r.Read;
 203       WHILE ~r.eot DO
 204         i := 0;
 205         WHILE ~r.eot & (r.char <= 20X) DO r.Read END;
 206         WHILE ~r.eot & (r.char > 20X) DO name[i] := r.char; r.Read; INC(i) END;
 207         IF i # 0 THEN name[i] := 0X; Define(name, FALSE) END
 208       END
 209     END
 210   END ReadDefines;
 211
 212   PROCEDURE CheckParams;
 213   BEGIN
 214     IF (exe # NIL) & (exe^ = "") THEN
 215       Error("specified empty file name for exe", "", "", 0)
 216     END;
 217     IF target^ = "" THEN
 218       Error("specified empty rule", "", "", 0)
 219     END;
 220     IF base^ = "" THEN
 221       Error("specified empty path to cpmake rules", "", "", 0)
 222     END;
 223     ReadDefines
 224   END CheckParams;
 225
 226   (* --------- loader --------- *)
 227
 228   PROCEDURE Import (m: Module; IN name: DevCPT.Name);
 229     VAR i, j: INTEGER; imp: Module;
 230   BEGIN
 231     ASSERT(m # NIL, 20);
 232     ASSERT(name # "", 21);
 233     IF debugImport THEN Log.String("  import "); Log.String(name$) END;
 234     IF name = "SYSTEM" THEN INCL(DevCPM.options, DevCPM.sysImp)
 235     ELSIF name = "COM" THEN INCL(DevCPM.options, DevCPM.com)
 236     ELSIF name = "JAVA" THEN INCL(DevCPM.options, DevCPM.java)
 237     ELSE
 238       IF debugImport THEN Log.Char(" ") END;
 239       i := 0; (* find module in local list *)
 240       WHILE (i < m.mno) & (m.imp[i].name$ # name$) DO INC(i) END;
 241       IF i >= m.mno THEN
 242         j := 0; (* find module in global list *)
 243         WHILE (j < mno) & (modList[j].name$ # name$) DO INC(j) END;
 244         IF j >= mno THEN
 245           IF ~auto THEN
 246             Log.String("module " + name + " required before " + m.name); Log.Ln; INC(werr)
 247           END;
 248           NEW(imp); imp.name := name$;
 249           modList[mno] := imp; INC(mno)
 250         ELSE
 251           imp := modList[j]
 252         END;
 253         m.imp[m.mno] := imp; INC(m.mno)
 254       ELSE DevCPM.err(1)
 255       END
 256     END;
 257     IF debugImport THEN Log.Ln END;
 258   END Import;
 259
 260   PROCEDURE ParseModule (m: Module);
 261     VAR sym: BYTE; SelfName, impName, aliasName: DevCPT.Name;
 262
 263     PROCEDURE err (n: SHORTINT);
 264     BEGIN DevCPM.err(n)
 265     END err;
 266
 267     PROCEDURE CheckSym(s: SHORTINT);
 268     BEGIN
 269       IF sym = s THEN DevCPS.Get(sym) ELSE DevCPM.err(s) END
 270     END CheckSym;
 271
 272   BEGIN
 273     IF debugImport THEN Log.String("module " + m.name); Log.Ln END;
 274     DevCPS.Init; DevCPS.Get(sym);
 275     IF sym = module THEN DevCPS.Get(sym) ELSE err(16) END;
 276     IF sym = ident THEN
 277       SelfName := DevCPS.name$; DevCPS.Get(sym);
 278       IF sym = lbrak THEN
 279         INCL(DevCPM.options, DevCPM.interface); DevCPS.Get(sym);
 280         IF sym = eql THEN DevCPS.Get(sym)
 281         ELSE INCL(DevCPM.options, DevCPM.noCode)
 282         END;
 283         IF sym = string THEN INCL(m.flags, library); DevCPS.Get(sym)
 284         ELSE err(string)
 285         END;
 286         CheckSym(rbrak)
 287       END;
 288       CheckSym(semicolon);
 289       IF sym = import THEN DevCPS.Get(sym);
 290         LOOP
 291           IF sym = ident THEN
 292             aliasName := DevCPS.name$; impName := aliasName$; DevCPS.Get(sym);
 293             IF sym = becomes THEN DevCPS.Get(sym);
 294               IF sym = ident THEN impName := DevCPS.name$; DevCPS.Get(sym) ELSE err(ident) END
 295             END;
 296             Import(m, impName)
 297           ELSE err(ident)
 298           END;
 299           IF sym = comma THEN DevCPS.Get(sym)
 300           ELSIF sym = ident THEN err(comma)
 301           ELSE EXIT
 302           END
 303         END;
 304         CheckSym(semicolon)
 305       END;
 306       LOOP (* preprocessor must read module fully *)
 307         IF sym = end THEN
 308           DevCPS.Get(sym);
 309           IF sym = ident THEN
 310             DevCPS.Get(sym);
 311             IF sym = period THEN
 312               IF DevCPS.name # SelfName THEN err(4) END;
 313               EXIT
 314             ELSIF sym = eof THEN
 315               err(period);
 316               EXIT
 317             END
 318           ELSIF sym = eof THEN
 319             err(ident);
 320             EXIT
 321           END;
 322         ELSIF sym = eof THEN
 323           err(end);
 324           EXIT
 325         ELSE
 326           DevCPS.Get(sym);
 327         END
 328       END
 329     ELSE err(ident)
 330     END;
 331     DevCPS.str := NIL
 332   END ParseModule;
 333
 334   PROCEDURE CheckModule (m: Module; source: String; OUT ok: BOOLEAN);
 335     VAR s: Selector;
 336   BEGIN
 337     DevCPM.Init(source);
 338     DevCPM.symList := m.dir;
 339     (*DevCPM.codePath := m.outcode;*)
 340     (*DevCPM.symPath := m.outsym;*)
 341     DevCPM.name := m.name$;
 342     INCL(DevCPM.options, DevCPM.comAware);
 343     IF trap THEN
 344       INCL(DevCPM.options, DevCPM.trap)
 345     END;
 346     (*IF oberon IN m.opts THEN INCL(DevCPM.options, DevCPM.oberon) END;*)
 347     DevCPR.Init;
 348     s := def.next;
 349     WHILE s # NIL DO
 350       DevCPR.Set(s.name, s.value);
 351       s := s.next
 352     END;
 353     ParseModule(m);
 354     DevCPR.Check;
 355     ok := DevCPM.noerr;
 356     IF DevCPR.used THEN INCL(m.flags, force) END;
 357     DevCPR.Close;
 358     DevCPM.InsertMarks;
 359     DevCPM.Close;
 360     Kernel.FastCollect
 361   END CheckModule;
 362
 363   PROCEDURE MakePath (IN dir, name: Files.Name; IN type: Files.Type; OUT path: Files.Name);
 364   BEGIN
 365     ASSERT(name # "", 21);
 366     IF dir = "" THEN path := modDir + "/" + name
 367     ELSE path := dir + "/" + modDir + "/" + name
 368     END;
 369     Kernel.MakeFileName(path, type)
 370   END MakePath;
 371
 372   PROCEDURE Open (loc: Files.Locator; IN sub, name: Files.Name; OUT path: Files.Name; OUT text: DswDocuments.Model);
 373     VAR res: INTEGER;
 374   BEGIN
 375     ASSERT(loc # NIL, 20);
 376     ASSERT(name # "", 21);
 377     (* !!! use Kernel.MakeFileName instead ".ext" concat !!! *)
 378     MakePath(sub, name, "cp", path);
 379     DswDocuments.Open(loc, name + ".cp", text, res);
 380     IF text = NIL THEN
 381       MakePath(sub, name, "odc", path);
 382       DswDocuments.Open(loc, name + ".odc", text, res);
 383       IF (text = NIL) & (sub = "") THEN
 384         MakePath(sysDir, name, "cp", path);
 385         loc := Files.dir.This(sysDir).This(modDir);
 386         DswDocuments.Open(loc, name + ".cp", text, res);
 387         IF text = NIL THEN
 388           MakePath(sysDir, name, "odc", path);
 389           DswDocuments.Open(loc, name + ".odc", text, res);
 390           IF text = NIL THEN
 391             path := ""
 392           END
 393         END
 394       END
 395     END
 396   END Open;
 397
 398   PROCEDURE GetSource (IN modName: ARRAY OF CHAR; list: DevCPM.Directory; OUT path: Files.Name; OUT s: String);
 399     VAR
 400       sub, name: Files.Name; loc: Files.Locator; base: DevCPM.Directory;
 401       text: DswDocuments.Model; r: DswDocuments.Reader; i, res: INTEGER;
 402   BEGIN
 403     s := NIL; path := ""; base := list;
 404     Kernel.SplitName(modName, sub, name);
 405     loc := Files.dir.This(sub).This(modDir);
 406     Open(loc, sub, name, path, text);
 407     WHILE (text = NIL) & (base # NIL) DO
 408       ASSERT(base.legacy, 100);
 409       loc := Files.dir.This(base.path).This(sub).This(modDir);
 410       Open(loc, sub, name, path, text);
 411       base := base.next
 412     END;
 413     IF text # NIL THEN
 414       NEW(s, text.Length() + 1);
 415       IF s # NIL THEN
 416         r := text.NewReader(NIL);
 417         FOR i := 0 TO text.Length() - 1 DO
 418           r.Read; s[i] := r.char
 419         END
 420       END
 421     END
 422   END GetSource;
 423
 424   PROCEDURE Trace (m, parent: Module; VAR lno: INTEGER);
 425     VAR i: INTEGER;
 426   BEGIN
 427     IF ~(trace IN m.flags) THEN
 428       INCL(m.flags, trace);
 429       FOR i := 0 TO m.mno - 1 DO
 430         Trace(m.imp[i], m, lno);
 431         m.depth := MAX(m.depth, m.imp[i].depth + 1)
 432       END;
 433       IF ~(imported IN m.flags) THEN
 434         INCL(m.flags, imported);
 435         lnkList[lno] := m;
 436         INC(lno)
 437       END;
 438       EXCL(m.flags, trace)
 439     ELSE
 440       Error("recursive import of ^0 in ^1", m.name$, parent.name$, 0)
 441     END
 442   END Trace;
 443
 444   PROCEDURE Sort;
 445     VAR i, j: INTEGER; m: Module;
 446   BEGIN
 447     ASSERT((mno = 0) OR (lnkList[0] # NIL), 20);
 448     cmpList := lnkList;
 449     i := 1;
 450     WHILE i < mno DO
 451       m := cmpList[i];
 452       j := i - 1;
 453       WHILE (j >= 0) & (cmpList[j].depth > m.depth) DO
 454         cmpList[j + 1] := cmpList[j];
 455         DEC(j)
 456       END;
 457       cmpList[j + 1] := m;
 458       INC(i)
 459     END
 460   END Sort;
 461
 462   PROCEDURE CheckDeps;
 463     VAR i, j, num: INTEGER; m: Module; src: String; ok: BOOLEAN;
 464   BEGIN
 465     i := 0; rno := mno;
 466     WHILE (err = 0) & (i < mno) DO
 467       m := modList[i];
 468       GetSource(m.name$, m.dir, m.odc, src);
 469       IF src # NIL THEN
 470         CheckModule(m, src, ok);
 471         IF ~ok THEN INC(err) END
 472       ELSE
 473         Error("unable to open module ^1", m.name$, "", 0)
 474       END;
 475       INC(i)
 476     END;
 477     INC(err, werr);
 478     num := 0;
 479     FOR i := 0 TO rno - 1 DO
 480       Trace(modList[i], modList[i], num)
 481     END;
 482     ASSERT((err # 0) OR (num = mno), 100);
 483     Sort;
 484     IF debugOrder THEN
 485       Log.String("Parallel depth:"); Log.Ln;
 486       FOR i := 0 TO mno - 1 DO
 487         Log.String("  " + cmpList[i].name); Log.Int(cmpList[i].depth); Log.Ln;
 488       END
 489     END
 490   END CheckDeps;
 491
 492   PROCEDURE IsCompiled (m: Module): BOOLEAN;
 493     CONST target = {hasSym, hasObj};
 494     VAR i: INTEGER; ready: BOOLEAN;
 495   BEGIN
 496     ASSERT(m # NIL, 20);
 497     i := 0;
 498     ready := ~(hasErrors IN m.flags) & (m.flags * target = target);
 499     WHILE ready & (i < m.mno) DO
 500       ready := IsCompiled(m.imp[i]);
 501       INC(i)
 502     END;
 503     RETURN ready
 504   END IsCompiled;
 505
 506   PROCEDURE Ready (m: Module): BOOLEAN;
 507     CONST target = {hasSym, hasObj};
 508     VAR i: INTEGER; ready: BOOLEAN;
 509   BEGIN
 510     i := 0;
 511     ready := ~(hasErrors IN m.flags) & (m.flags * target # target) & (m.worker = NIL);
 512     WHILE ready & (i < m.mno) DO
 513       ready := IsCompiled(m.imp[i]);
 514       INC(i)
 515     END;
 516     RETURN ready
 517   END Ready;
 518
 519   PROCEDURE PrepareCompiler (m: Module): DswProcs.Process;
 520     VAR p: DswProcs.Process; s: Selector;
 521   BEGIN
 522     ASSERT(m # NIL, 20);
 523     ASSERT(m.odc # "", 21);
 524     ASSERT(m.worker = NIL, 22);
 525     p := DswProcs.dir.New();
 526     p.Program(base + "/" + target + "/" + "build");
 527     p.PutParam(m.odc);
 528     IF force IN m.flags THEN p.PutParam("-f") END;
 529     IF symonly OR (library IN m.flags) THEN p.PutParam("-s") END;
 530     s := def.next;
 531     WHILE s # NIL DO
 532       IF s.value THEN p.PutParam("-D") ELSE p.PutParam("-d") END;
 533       p.PutParam(s.name$);
 534       s := s.next
 535     END;
 536     RETURN p
 537   END PrepareCompiler;
 538
 539   PROCEDURE Compile;
 540     VAR i, j, num, res: INTEGER; ok: BOOLEAN; m: Module; w: DswProcs.Process;
 541   BEGIN
 542     IF mno = 0 THEN RETURN END;
 543     num := 0; j := 0;
 544     WHILE (err = 0) & (num < mno) OR (j > 0) DO
 545       i := 0;
 546       WHILE (err = 0) & (i < mno) & (j < jobs) DO
 547         m := cmpList[i];
 548         IF Ready(m) THEN
 549           w := PrepareCompiler(m);
 550           IF debugJobs THEN Log.String("Start job " + m.name) END;
 551           w.Execute(ok);
 552           IF ok THEN
 553             IF debugJobs THEN Log.String(" ok") END;
 554             m.worker := w;
 555             INC(j)
 556           ELSE
 557             IF debugJobs THEN Log.String(" fail") END;
 558             INCL(m.flags, hasErrors);
 559             INC(err)
 560           END;
 561           IF debugJobs THEN Log.Ln END
 562         END;
 563         INC(i)
 564       END;
 565       WHILE (err = 0) & (j >= jobs) OR (j > 0) DO
 566         i := 0;
 567         WHILE (j > 0) & (i < mno) DO
 568           m := cmpList[i];
 569           w := m.worker;
 570           IF (w # NIL) & w.IsTerminated() THEN
 571             res := w.Result();
 572             IF debugJobs THEN Log.String("Stop job " + m.name); Log.Int(res); Log.Ln END;
 573             IF res = 0 THEN
 574               INCL(m.flags, hasObj);
 575               INCL(m.flags, hasSym);
 576               INC(num)
 577             ELSE
 578               INCL(m.flags, hasErrors);
 579               INC(err)
 580             END;
 581             m.worker := NIL;
 582             DEC(j)
 583           END;
 584           INC(i)
 585         END
 586       END
 587     END
 588   END Compile;
 589
 590   PROCEDURE Link;
 591     VAR p: DswProcs.Process; ok: BOOLEAN; i, res: INTEGER;
 592   BEGIN
 593     IF ~symonly & (exe # NIL) THEN
 594       p := DswProcs.dir.New();
 595       p.Program(base + "/" + target + "/" + "link");
 596       p.PutParam(exe$);
 597       FOR i := 0 TO mno - 1 DO
 598         IF ~(library IN lnkList[i].flags) THEN
 599           p.PutParam(lnkList[i].name$)
 600         END
 601       END;
 602       p.Execute(ok);
 603       IF ok THEN
 604         p.Wait;
 605         res := p.Result();
 606         IF res # 0 THEN
 607           Error("link failed with code ^2", "", "", res)
 608         END
 609       ELSE Error("link failed: unable to execute script", "", "", 0)
 610       END
 611     END
 612   END Link;
 613
 614   PROCEDURE Cleanup;
 615     VAR p: DswProcs.Process; ok: BOOLEAN; res: INTEGER;
 616   BEGIN
 617     IF clean THEN
 618       p := DswProcs.dir.New();
 619       p.Program(base + "/" + target + "/" + "clean");
 620       p.Execute(ok);
 621       IF ok THEN
 622         p.Wait;
 623         res := p.Result();
 624         IF res # 0 THEN
 625           Error("cleanup failed with code ^2", "", "", res)
 626         END
 627       ELSE Error("cleanup failed: unable to execute script", "", "", 0)
 628       END
 629     END
 630   END Cleanup;
 631
 632   PROCEDURE Main;
 633   BEGIN
 634     IF Kernel.trapCount = 0 THEN
 635       ParseArgs;
 636       IF err = 0 THEN
 637         CheckParams;
 638         IF err = 0 THEN
 639           CheckDeps;
 640           IF err = 0 THEN
 641             Cleanup;
 642             IF err = 0 THEN
 643               Compile;
 644               IF err = 0 THEN
 645                 Link
 646               END
 647             END
 648           END
 649         END
 650       END
 651     ELSE Error("trap occured", "", "", 0)
 652     END;
 653     IF err = 0 THEN Kernel.Quit(0)
 654     ELSE Kernel.Quit(1)
 655     END
 656   END Main;
 657
 658 BEGIN
 659   NEW(def);
 660   ASSERT(def # NIL, 100);
 661   Kernel.intTrap := FALSE;
 662   Kernel.Start(Main)
 663 END DswMakeMain.