Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.InputStream;
   5 import java.io.PrintStream;
   6 import java.io.Reader;
   7 import java.io.BufferedReader;
   8 import java.io.FileReader;
   9 import java.io.FileInputStream;
  10 import java.util.Iterator;
  11 import java.util.Vector;
  12
  13 import IR.Tree.ParseNode;
  14 import IR.Tree.BuildIR;
  15 import IR.Tree.SemanticCheck;
  16 import IR.Flat.BuildCodeMultiCore;
  17 import IR.Flat.BuildFlat;
  18 import IR.Flat.BuildCode;
  19 import IR.ClassDescriptor;
  20 import IR.State;
  21 import IR.TaskDescriptor;
  22 import IR.TypeUtil;
  23 import Analysis.Scheduling.Schedule;
  24 import Analysis.Scheduling.ScheduleAnalysis;
  25 import Analysis.Scheduling.ScheduleEdge;
  26 import Analysis.Scheduling.ScheduleNode;
  27 import Analysis.Scheduling.ScheduleSimulator;
  28 import Analysis.TaskStateAnalysis.TaskAnalysis;
  29 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskGraph;
  31 import Analysis.CallGraph.CallGraph;
  32 import Analysis.TaskStateAnalysis.FEdge;
  33 import Analysis.TaskStateAnalysis.FlagState;
  34 import Analysis.TaskStateAnalysis.TagAnalysis;
  35 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  36 import Analysis.TaskStateAnalysis.ExecutionGraph;
  37 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  38 import Analysis.Locality.LocalityAnalysis;
  39 import Analysis.Locality.GenerateConversions;
  40 import Analysis.Prefetch.PrefetchAnalysis;
  41 import Analysis.FlatIRGraph.FlatIRGraph;
  42 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  43 import Interface.*;
  44
  45 public class Main {
  46
  47   /** Main method for the compiler.  */
  48
  49   public static void main(String args[]) throws Exception {
  50     String ClassLibraryPrefix="./ClassLibrary/";
  51     State state=new State();
  52
  53     for(int i=0; i<args.length; i++) {
  54       String option=args[i];
  55       if (option.equals("-precise"))
  56         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  57       else if (option.equals("-prefetch"))
  58         state.PREFETCH=true;
  59       else if (option.equals("-dir"))
  60         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  61       else if (option.equals("-selfloop"))
  62         state.selfloops.add(args[++i]);
  63       else if (option.equals("-excprefetch"))
  64         state.excprefetch.add(args[++i]);
  65       else if (option.equals("-classlibrary"))
  66         ClassLibraryPrefix=args[++i]+"/";
  67       else if(option.equals("-numcore")) {
  68         ++i;
  69         state.CORENUM = Integer.parseInt(args[i]);
  70       } else if (option.equals("-mainclass"))
  71         state.main=args[++i];
  72       else if (option.equals("-trueprob")) {
  73         state.TRUEPROB=Double.parseDouble(args[++i]);
  74       } else if (option.equals("-printflat"))
  75         State.PRINTFLAT=true;
  76       else if (option.equals("-struct"))
  77         state.structfile=args[++i];
  78       else if (option.equals("-conscheck"))
  79         state.CONSCHECK=true;
  80       else if (option.equals("-task"))
  81         state.TASK=true;
  82       else if (option.equals("-taskstate"))
  83         state.TASKSTATE=true;
  84       else if (option.equals("-tagstate"))
  85         state.TAGSTATE=true;
  86       else if (option.equals("-flatirtasks")) {
  87         state.FLATIRGRAPH=true;
  88         state.FLATIRGRAPHTASKS=true;
  89       } else if (option.equals("-flatirusermethods")) {
  90         state.FLATIRGRAPH=true;
  91         state.FLATIRGRAPHUSERMETHODS=true;
  92       } else if (option.equals("-flatirlibmethods")) {
  93         state.FLATIRGRAPH=true;
  94         state.FLATIRGRAPHLIBMETHODS=true;
  95       } else if (option.equals("-multicore"))
  96         state.MULTICORE=true;
  97       else if (option.equals("-ownership"))
  98         state.OWNERSHIP=true;
  99       else if (option.equals("-ownallocdepth")) {
 100         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 101       } else if (option.equals("-ownwritedots")) {
 102         state.OWNERSHIPWRITEDOTS=true;
 103         if (args[++i].equals("all")) {
 104           state.OWNERSHIPWRITEALL=true;
 105         }
 106       } else if (option.equals("-ownaliasfile"))
 107         state.OWNERSHIPALIASFILE=args[++i];
 108       else if (option.equals("-optional"))
 109         state.OPTIONAL=true;
 110       else if (option.equals("-raw"))
 111         state.RAW=true;
 112       else if (option.equals("-scheduling"))
 113         state.SCHEDULING=true;
 114       else if (option.equals("-useprofile"))
 115           state.USEPROFILE=true;
 116       else if (option.equals("-thread"))
 117         state.THREAD=true;
 118       else if (option.equals("-dsm"))
 119         state.DSM=true;
 120       else if (option.equals("-webinterface"))
 121         state.WEBINTERFACE=true;
 122       else if (option.equals("-instructionfailures"))
 123         state.INSTRUCTIONFAILURE=true;
 124       else if (option.equals("-help")) {
 125         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 126         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 127         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 128         System.out.println("-struct structfile -- output structure declarations for repair tool");
 129         System.out.println("-mainclass -- main function to call");
 130         System.out.println("-dsm -- distributed shared memory support");
 131         System.out.println("-precise -- use precise garbage collection");
 132         System.out.println("-conscheck -- turn on consistency checking");
 133         System.out.println("-task -- compiler for tasks");
 134         System.out.println("-thread -- threads");
 135         System.out.println("-trueprob <d> -- probability of true branch");
 136         System.out.println("-printflat -- print out flat representation");
 137         System.out.println("-instructionfailures -- insert code for instruction level failures");
 138         System.out.println("-taskstate -- do task state analysis");
 139         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 140         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 141         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 142         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 143         System.out.println("-ownership -- do ownership analysis");
 144         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 145         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 146         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 147         System.out.println("-optional -- enable optional arguments");
 148         System.out.println("-webinterface -- enable web interface");
 149         System.out.println("-help -- print out help");
 150         System.exit(0);
 151       } else {
 152         readSourceFile(state, args[i]);
 153       }
 154     }
 155
 156
 157     readSourceFile(state, ClassLibraryPrefix+"System.java");
 158     readSourceFile(state, ClassLibraryPrefix+"String.java");
 159     readSourceFile(state, ClassLibraryPrefix+"HashSet.java");
 160     readSourceFile(state, ClassLibraryPrefix+"HashMap.java");
 161     readSourceFile(state, ClassLibraryPrefix+"HashMapIterator.java");
 162     readSourceFile(state, ClassLibraryPrefix+"HashEntry.java");
 163     readSourceFile(state, ClassLibraryPrefix+"Integer.java");
 164     readSourceFile(state, ClassLibraryPrefix+"StringBuffer.java");
 165     //if(!state.RAW) {
 166     readSourceFile(state, ClassLibraryPrefix+"FileInputStream.java");
 167     readSourceFile(state, ClassLibraryPrefix+"InputStream.java");
 168     readSourceFile(state, ClassLibraryPrefix+"OutputStream.java");
 169     readSourceFile(state, ClassLibraryPrefix+"FileOutputStream.java");
 170     readSourceFile(state, ClassLibraryPrefix+"File.java");
 171     readSourceFile(state, ClassLibraryPrefix+"InetAddress.java");
 172     readSourceFile(state, ClassLibraryPrefix+"SocketInputStream.java");
 173     readSourceFile(state, ClassLibraryPrefix+"SocketOutputStream.java");
 174     //}
 175     readSourceFile(state, ClassLibraryPrefix+"Math.java");
 176     readSourceFile(state, ClassLibraryPrefix+"gnu/Random.java");
 177     readSourceFile(state, ClassLibraryPrefix+"Vector.java");
 178     readSourceFile(state, ClassLibraryPrefix+"Enumeration.java");
 179     readSourceFile(state, ClassLibraryPrefix+"Dictionary.java");
 180     readSourceFile(state, ClassLibraryPrefix+"Writer.java");
 181     readSourceFile(state, ClassLibraryPrefix+"BufferedWriter.java");
 182     readSourceFile(state, ClassLibraryPrefix+"OutputStreamWriter.java");
 183     readSourceFile(state, ClassLibraryPrefix+"FileWriter.java");
 184     readSourceFile(state, ClassLibraryPrefix+"Date.java");
 185
 186     if (state.TASK) {
 187       readSourceFile(state, ClassLibraryPrefix+"Object.java");
 188       readSourceFile(state, ClassLibraryPrefix+"TagDescriptor.java");
 189     } else if (state.DSM) {
 190       readSourceFile(state, ClassLibraryPrefix+"ThreadDSM.java");
 191       readSourceFile(state, ClassLibraryPrefix+"ObjectJavaDSM.java");
 192       readSourceFile(state, ClassLibraryPrefix+"Barrier.java");
 193     } else {
 194       if (state.THREAD) {
 195         readSourceFile(state, ClassLibraryPrefix+"Thread.java");
 196         readSourceFile(state, ClassLibraryPrefix+"ObjectJava.java");
 197       } else
 198         readSourceFile(state, ClassLibraryPrefix+"ObjectJavaNT.java");
 199     }
 200
 201     if (state.TASK) {
 202       readSourceFile(state, ClassLibraryPrefix+"StartupObject.java");
 203       readSourceFile(state, ClassLibraryPrefix+"Socket.java");
 204       readSourceFile(state, ClassLibraryPrefix+"ServerSocket.java");
 205     } else {
 206       readSourceFile(state, ClassLibraryPrefix+"SocketJava.java");
 207       readSourceFile(state, ClassLibraryPrefix+"ServerSocketJava.java");
 208     }
 209
 210     BuildIR bir=new BuildIR(state);
 211     bir.buildtree();
 212
 213     TypeUtil tu=new TypeUtil(state);
 214
 215     SemanticCheck sc=new SemanticCheck(state,tu);
 216     sc.semanticCheck();
 217     tu.createFullTable();
 218
 219     BuildFlat bf=new BuildFlat(state,tu);
 220     bf.buildFlat();
 221     SafetyAnalysis sa=null;
 222     PrefetchAnalysis pa=null;
 223
 224     if (state.TAGSTATE) {
 225       CallGraph callgraph=new CallGraph(state);
 226       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 227       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis);
 228     }
 229
 230     if (state.TASKSTATE) {
 231       CallGraph callgraph=new CallGraph(state);
 232       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 233       TaskAnalysis ta=new TaskAnalysis(state, taganalysis);
 234       ta.taskAnalysis();
 235       TaskGraph tg=new TaskGraph(state, ta);
 236       tg.createDOTfiles();
 237
 238       if (state.OPTIONAL) {
 239         ExecutionGraph et=new ExecutionGraph(state, ta);
 240         et.createExecutionGraph();
 241         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 242         sa.doAnalysis();
 243         state.storeAnalysisResult(sa.getResult());
 244         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 245       }
 246
 247       if (state.WEBINTERFACE) {
 248         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 249         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 250         JhttpServer serve=new JhttpServer(8000,wi);
 251         serve.run();
 252       }
 253
 254       if (state.SCHEDULING) {
 255         // Save the current standard input, output, and error streams
 256         // for later restoration.
 257         PrintStream origOut = System.out;
 258
 259         // Create a new output stream for the standard output.
 260         PrintStream stdout  = null;
 261         try {
 262           stdout = new PrintStream(new FileOutputStream("SimulatorResult.out"));
 263         } catch (Exception e) {
 264           // Sigh.  Couldn't open the file.
 265           System.out.println("Redirect:  Unable to open output file!");
 266           System.exit(1);
 267         }
 268
 269         // Print stuff to the original output and error streams.
 270         // On most systems all of this will end up on your console when you
 271         // run this application.
 272         //origOut.println ("\nRedirect:  Round #1");
 273         //System.out.println ("Test output via 'System.out'.");
 274         //origOut.println ("Test output via 'origOut' reference.");
 275
 276         // Set the System out and err streams to use our replacements.
 277         System.setOut(stdout);
 278
 279         // Print stuff to the original output and error streams.
 280         // The stuff printed through the 'origOut' and 'origErr' references
 281         // should go to the console on most systems while the messages
 282         // printed through the 'System.out' and 'System.err' will end up in
 283         // the files we created for them.
 284         //origOut.println ("\nRedirect:  Round #2");
 285         //System.out.println ("Test output via 'SimulatorResult.out'.");
 286         //origOut.println ("Test output via 'origOut' reference.");
 287
 288         if(state.USEPROFILE) {
 289             // read in profile data and set
 290             FileInputStream inStream = new FileInputStream("/scratch/profile.rst");
 291             byte[] b = new byte[1024 * 100];
 292             int length = inStream.read(b);
 293             if(length < 0) {
 294                 System.out.print("No content in input file: /scratch/profile.rst\n");
 295                 System.exit(-1);
 296             }
 297             String profiledata = new String(b, 0, length);
 298             java.util.Hashtable<String, Integer> taskinfo = new java.util.Hashtable<String, Integer>();
 299
 300             int inindex = profiledata.indexOf('\n');
 301             while((inindex != -1) ) {
 302                 String inline = profiledata.substring(0, inindex);
 303                 profiledata = profiledata.substring(inindex + 1);
 304                 //System.printString(inline + "\n");
 305                 int tmpinindex = inline.indexOf(',');
 306                 if(tmpinindex == -1) {
 307                     break;
 308                 }
 309                 String inname = inline.substring(0, tmpinindex);
 310                 String inint = inline.substring(tmpinindex + 1);
 311                 while(inint.startsWith(" ")) {
 312                     inint = inint.substring(1);
 313                 }
 314                 int duration = Integer.parseInt(inint);
 315                 taskinfo.put(inname, duration);
 316                 inindex = profiledata.indexOf('\n');
 317             }
 318
 319             java.util.Random r=new java.util.Random();
 320             int tint = 0;
 321             for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 322                 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 323                 if(cd.hasFlags()) {
 324                     Vector rootnodes=ta.getRootNodes(cd);
 325                     if(rootnodes!=null) {
 326                         for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
 327                             FlagState root=(FlagState)it_rootnodes.next();
 328                             Vector allocatingTasks = root.getAllocatingTasks();
 329                             if(allocatingTasks != null) {
 330                                 for(int k = 0; k < allocatingTasks.size(); k++) {
 331                                     TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 332                                     Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 333                                     int numEdges = fev.size();
 334                                     int total = 100;
 335                                     for(int j = 0; j < numEdges; j++) {
 336                                         FEdge pfe = fev.elementAt(j);
 337                                         if(numEdges - j == 1) {
 338                                             pfe.setProbability(total);
 339                                         } else {
 340                                             if((total != 0) && (total != 1)) {
 341                                                 do {
 342                                                     tint = r.nextInt()%total;
 343                                                 } while(tint <= 0);
 344                                             }
 345                                             pfe.setProbability(tint);
 346                                             total -= tint;
 347                                         }
 348                                         //do {
 349                                         //   tint = r.nextInt()%10;
 350                                         //  } while(tint <= 0);
 351                                         //int newRate = tint;
 352                                         //int newRate = (j+1)%2+1;
 353                                         int newRate = 1;
 354                                         String cdname = cd.getSymbol();
 355                                         if((cdname.equals("SeriesRunner")) ||
 356                                                 (cdname.equals("MDRunner")) ||
 357                                                 (cdname.equals("Stage")) ||
 358                                                 (cdname.equals("AppDemoRunner")) ||
 359                                                 (cdname.equals("FilterBankAtom"))) {
 360                                             newRate = 16;
 361                                         } else if(cdname.equals("SentenceParser")) {
 362                                             newRate = 4;
 363                                         }
 364                                         //do {
 365                                         //    tint = r.nextInt()%100;
 366                                         //   } while(tint <= 0);
 367                                         //   int probability = tint;
 368                                         int probability = 100;
 369                                         pfe.addNewObjInfo(cd, newRate, probability);
 370                                     }
 371                                 }
 372                             }
 373                         }
 374                     }
 375                     Iterator it_flags = ta.getFlagStates(cd).iterator();
 376                     while(it_flags.hasNext()) {
 377                         FlagState fs = (FlagState)it_flags.next();
 378                         Iterator it_edges = fs.edges();
 379                         int total = 100;
 380                         while(it_edges.hasNext()) {
 381                             //do {
 382                             //    tint = r.nextInt()%10;
 383                             //   } while(tint <= 0);
 384                             FEdge edge = (FEdge)it_edges.next();
 385                             tint = taskinfo.get(edge.getTask().getSymbol()).intValue();
 386                             edge.setExeTime(tint);
 387                             if(!it_edges.hasNext()) {
 388                                 edge.setProbability(total);
 389                             } else {
 390                                 if((total != 0) && (total != 1)) {
 391                                     do {
 392                                         tint = r.nextInt()%total;
 393                                     } while(tint <= 0);
 394                                 }
 395                                 edge.setProbability(tint);
 396                                 total -= tint;
 397                             }
 398                         }
 399                     }
 400                 }
 401             }
 402         } else {
 403             // for test
 404             // Randomly set the newRate and probability of FEdges
 405             java.util.Random r=new java.util.Random();
 406             int tint = 0;
 407             for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
 408                 ClassDescriptor cd=(ClassDescriptor) it_classes.next();
 409                 if(cd.hasFlags()) {
 410                     Vector rootnodes=ta.getRootNodes(cd);
 411                     if(rootnodes!=null) {
 412                         for(Iterator it_rootnodes=rootnodes.iterator(); it_rootnodes.hasNext();) {
 413                             FlagState root=(FlagState)it_rootnodes.next();
 414                             Vector allocatingTasks = root.getAllocatingTasks();
 415                             if(allocatingTasks != null) {
 416                                 for(int k = 0; k < allocatingTasks.size(); k++) {
 417                                     TaskDescriptor td = (TaskDescriptor)allocatingTasks.elementAt(k);
 418                                     Vector<FEdge> fev = (Vector<FEdge>)ta.getFEdgesFromTD(td);
 419                                     int numEdges = fev.size();
 420                                     int total = 100;
 421                                     for(int j = 0; j < numEdges; j++) {
 422                                         FEdge pfe = fev.elementAt(j);
 423                                         if(numEdges - j == 1) {
 424                                             pfe.setProbability(total);
 425                                         } else {
 426                                             if((total != 0) && (total != 1)) {
 427                                                 do {
 428                                                     tint = r.nextInt()%total;
 429                                                 } while(tint <= 0);
 430                                             }
 431                                             pfe.setProbability(tint);
 432                                             total -= tint;
 433                                         }
 434                                         //do {
 435                                         //   tint = r.nextInt()%10;
 436                                         //  } while(tint <= 0);
 437                                         //int newRate = tint;
 438                                         //int newRate = (j+1)%2+1;
 439                                         int newRate = 1;
 440                                         String cdname = cd.getSymbol();
 441                                         if((cdname.equals("SeriesRunner")) ||
 442                                                 (cdname.equals("MDRunner")) ||
 443                                                 (cdname.equals("Stage")) ||
 444                                                 (cdname.equals("AppDemoRunner")) ||
 445                                                 (cdname.equals("FilterBankAtom"))) {
 446                                             newRate = 16;
 447                                         } else if(cdname.equals("SentenceParser")) {
 448                                             newRate = 4;
 449                                         }
 450                                         //do {
 451                                         //    tint = r.nextInt()%100;
 452                                         //   } while(tint <= 0);
 453                                         //   int probability = tint;
 454                                         int probability = 100;
 455                                         pfe.addNewObjInfo(cd, newRate, probability);
 456                                     }
 457                                 }
 458                             }
 459                         }
 460                     }
 461
 462                     Iterator it_flags = ta.getFlagStates(cd).iterator();
 463                     while(it_flags.hasNext()) {
 464                         FlagState fs = (FlagState)it_flags.next();
 465                         Iterator it_edges = fs.edges();
 466                         int total = 100;
 467                         while(it_edges.hasNext()) {
 468                             //do {
 469                             //    tint = r.nextInt()%10;
 470                             //   } while(tint <= 0);
 471                             tint = 3;
 472                             FEdge edge = (FEdge)it_edges.next();
 473                             edge.setExeTime(tint);
 474                             if(!it_edges.hasNext()) {
 475                                 edge.setProbability(total);
 476                             } else {
 477                                 if((total != 0) && (total != 1)) {
 478                                     do {
 479                                         tint = r.nextInt()%total;
 480                                     } while(tint <= 0);
 481                                 }
 482                                 edge.setProbability(tint);
 483                                 total -= tint;
 484                             }
 485                         }
 486                     }
 487                 }
 488             }
 489         }
 490
 491         // generate multiple schedulings
 492         ScheduleAnalysis scheduleAnalysis = new ScheduleAnalysis(state, ta);
 493         scheduleAnalysis.preSchedule();
 494         scheduleAnalysis.scheduleAnalysis();
 495         //scheduleAnalysis.setCoreNum(scheduleAnalysis.getSEdges4Test().size());
 496         scheduleAnalysis.setCoreNum(state.CORENUM);
 497         scheduleAnalysis.schedule();
 498
 499         //simulate these schedulings
 500         ScheduleSimulator scheduleSimulator = new ScheduleSimulator(scheduleAnalysis.getCoreNum(), state, ta);
 501         Iterator it_scheduling = scheduleAnalysis.getSchedulingsIter();
 502         int index = 0;
 503         Vector<Integer> selectedScheduling = new Vector<Integer>();
 504         int processTime = Integer.MAX_VALUE;
 505         while(it_scheduling.hasNext()) {
 506           Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 507           scheduleSimulator.setScheduling(scheduling);
 508           int tmpTime = scheduleSimulator.process();
 509           if(tmpTime < processTime) {
 510             selectedScheduling.clear();
 511             selectedScheduling.add(index);
 512             processTime = tmpTime;
 513           } else if(tmpTime == processTime) {
 514             selectedScheduling.add(index);
 515           }
 516           index++;
 517         }
 518         System.out.print("Selected schedulings with least exectution time " + processTime + ": \n\t");
 519         for(int i = 0; i < selectedScheduling.size(); i++) {
 520           System.out.print((selectedScheduling.elementAt(i) + 1) + ", ");
 521         }
 522         System.out.println();
 523
 524         /*ScheduleSimulator scheduleSimulator = new ScheduleSimulator(4, state, ta);
 525            Vector<Schedule> scheduling = new Vector<Schedule>();
 526            for(int i = 0; i < 4; i++) {
 527             Schedule schedule = new Schedule(i);
 528             scheduling.add(schedule);
 529            }
 530            Iterator it_tasks = state.getTaskSymbolTable().getAllDescriptorsIterator();
 531            while(it_tasks.hasNext()) {
 532             TaskDescriptor td = (TaskDescriptor)it_tasks.next();
 533             if(td.getSymbol().equals("t10")) {
 534                 scheduling.elementAt(1).addTask(td);
 535             } else {
 536                 scheduling.elementAt(0).addTask(td);
 537             }
 538            }
 539            ClassDescriptor cd = (ClassDescriptor)state.getClassSymbolTable().get("E");
 540            scheduling.elementAt(0).addTargetCore(cd, 1);
 541            scheduleSimulator.setScheduling(scheduling);
 542            scheduleSimulator.process();
 543
 544            Vector<Schedule> scheduling1 = new Vector<Schedule>();
 545            for(int i = 0; i < 4; i++) {
 546             Schedule schedule = new Schedule(i);
 547             scheduling1.add(schedule);
 548            }
 549            Iterator it_tasks1 = state.getTaskSymbolTable().getAllDescriptorsIterator();
 550            while(it_tasks1.hasNext()) {
 551             TaskDescriptor td = (TaskDescriptor)it_tasks1.next();
 552             scheduling1.elementAt(0).addTask(td);
 553            }
 554            scheduleSimulator.setScheduling(scheduling1);
 555            scheduleSimulator.process();*/
 556
 557         // Close the streams.
 558         try {
 559           stdout.close();
 560           System.setOut(origOut);
 561         } catch (Exception e) {
 562           origOut.println("Redirect:  Unable to close files!");
 563         }
 564
 565         if(state.MULTICORE) {
 566           //it_scheduling = scheduleAnalysis.getSchedulingsIter();
 567           //Vector<Schedule> scheduling = (Vector<Schedule>)it_scheduling.next();
 568           Vector<Schedule> scheduling = scheduleAnalysis.getSchedulings().elementAt(selectedScheduling.lastElement());
 569           BuildCodeMultiCore bcm=new BuildCodeMultiCore(state, bf.getMap(), tu, sa, scheduling, scheduleAnalysis.getCoreNum(), pa);
 570           bcm.buildCode();
 571         }
 572       }
 573
 574     }
 575
 576     if(!state.MULTICORE) {
 577       if (state.DSM) {
 578         CallGraph callgraph=new CallGraph(state);
 579         if (state.PREFETCH) {
 580           //speed up prefetch generation using locality analysis results
 581           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 582           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 583         }
 584
 585         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 586         GenerateConversions gc=new GenerateConversions(la, state);
 587         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
 588         bc.buildCode();
 589       } else {
 590         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
 591         bc.buildCode();
 592       }
 593     }
 594
 595     if (state.FLATIRGRAPH) {
 596       FlatIRGraph firg = new FlatIRGraph(state,
 597                                          state.FLATIRGRAPHTASKS,
 598                                          state.FLATIRGRAPHUSERMETHODS,
 599                                          state.FLATIRGRAPHLIBMETHODS);
 600     }
 601
 602     if (state.OWNERSHIP) {
 603       CallGraph callGraph = new CallGraph(state);
 604       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 605                                                    tu,
 606                                                    callGraph,
 607                                                    state.OWNERSHIPALLOCDEPTH,
 608                                                    state.OWNERSHIPWRITEDOTS,
 609                                                    state.OWNERSHIPWRITEALL,
 610                                                    state.OWNERSHIPALIASFILE);
 611     }
 612
 613     System.exit(0);
 614   }
 615
 616   /** Reads in a source file and adds the parse tree to the state object. */
 617
 618   private static void readSourceFile(State state, String sourcefile) throws Exception {
 619     Reader fr = new BufferedReader(new FileReader(sourcefile));
 620     Lex.Lexer l = new Lex.Lexer(fr);
 621     java_cup.runtime.lr_parser g;
 622     g = new Parse.Parser(l);
 623     ParseNode p=null;
 624     try {
 625       p=(ParseNode) g./*debug_*/ parse().value;
 626     } catch (Exception e) {
 627       System.err.println("Error parsing file:"+sourcefile);
 628       e.printStackTrace();
 629       System.exit(-1);
 630     }
 631     state.addParseNode(p);
 632     if (l.numErrors()!=0) {
 633       System.out.println("Error parsing "+sourcefile);
 634       System.exit(l.numErrors());
 635     }
 636   }
 637 }