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