Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.PrintStream;
   5 import java.io.Reader;
   6 import java.io.BufferedReader;
   7 import java.io.FileReader;
   8 import java.io.FileInputStream;
   9 import java.util.Hashtable;
  10 import java.util.Iterator;
  11 import java.util.Set;
  12 import java.util.Vector;
  13
  14 import IR.Tree.ParseNode;
  15 import IR.Tree.BuildIR;
  16 import IR.Tree.SemanticCheck;
  17 import IR.Flat.BuildCodeMultiCore;
  18 import IR.Flat.BuildFlat;
  19 import IR.Flat.BuildCode;
  20 import IR.Flat.Inliner;
  21 import IR.ClassDescriptor;
  22 import IR.State;
  23 import IR.TaskDescriptor;
  24 import IR.TypeUtil;
  25 import Analysis.Scheduling.MCImplSynthesis;
  26 import Analysis.Scheduling.Schedule;
  27 import Analysis.Scheduling.ScheduleAnalysis;
  28 import Analysis.Scheduling.ScheduleSimulator;
  29 import Analysis.TaskStateAnalysis.TaskAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  31 import Analysis.TaskStateAnalysis.TaskGraph;
  32 import Analysis.CallGraph.CallGraph;
  33 import Analysis.TaskStateAnalysis.FEdge;
  34 import Analysis.TaskStateAnalysis.FlagState;
  35 import Analysis.TaskStateAnalysis.TagAnalysis;
  36 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  37 import Analysis.TaskStateAnalysis.ExecutionGraph;
  38 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  39 import Analysis.Locality.LocalityAnalysis;
  40 import Analysis.Locality.GenerateConversions;
  41 import Analysis.Prefetch.PrefetchAnalysis;
  42 import Analysis.FlatIRGraph.FlatIRGraph;
  43 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  44 import Analysis.Disjoint.DisjointAnalysis;
  45 import Analysis.MLP.MLPAnalysis;
  46 import Analysis.Loops.*;
  47 import Analysis.Liveness;
  48 import Analysis.ArrayReferencees;
  49 import IR.MethodDescriptor;
  50 import IR.Flat.FlatMethod;
  51 import Interface.*;
  52 import Util.GraphNode;
  53 import Util.GraphNode.DFS;
  54 import Util.GraphNode.SCC;
  55
  56 public class Main {
  57
  58   /** Main method for the compiler.  */
  59
  60   public static void main(String args[]) throws Exception {
  61     String ClassLibraryPrefix="./ClassLibrary/";
  62     State state=new State();
  63     Vector sourcefiles=new Vector();
  64     state.classpath.add(".");
  65
  66     String outputdir = null;
  67     boolean isDistributeInfo = false;
  68     boolean isDisAll = false;
  69     int startnum = 0;
  70
  71     for(int i=0; i<args.length; i++) {
  72       String option=args[i];
  73       if (option.equals("-precise"))
  74         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  75       else if (option.equals("-prefetch"))
  76         state.PREFETCH=true;
  77       else if (option.equals("-dir"))
  78         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  79       else if (option.equals("-fastcheck"))
  80         state.FASTCHECK=true;
  81       else if (option.equals("-selfloop"))
  82         state.selfloops.add(args[++i]);
  83           else if (option.equals("-outputdir"))
  84         state.outputdir = args[++i];
  85       else if (option.equals("-excprefetch"))
  86         state.excprefetch.add(args[++i]);
  87       else if (option.equals("-classlibrary"))
  88         state.classpath.add(args[++i]);
  89       else if (option.equals("-inlineatomic")) {
  90         state.INLINEATOMIC=true;
  91         state.inlineatomicdepth=Integer.parseInt(args[++i]);
  92       } else if(option.equals("-numcore")) {
  93         ++i;
  94         state.CORENUM = Integer.parseInt(args[i]);
  95       } else if(option.equals("-numcore4gc")) {
  96         ++i;
  97         state.CORENUM4GC = Integer.parseInt(args[i]);
  98       } else if (option.equals("-mainclass"))
  99         state.main=args[++i];
 100       else if (option.equals("-trueprob")) {
 101         state.TRUEPROB=Double.parseDouble(args[++i]);
 102       } else if (option.equals("-printflat"))
 103         State.PRINTFLAT=true;
 104       else if (option.equals("-printscheduling"))
 105         State.PRINTSCHEDULING=true;
 106       else if (option.equals("-minimize"))
 107         state.MINIMIZE=true;
 108       else if (option.equals("-printschedulesim"))
 109         State.PRINTSCHEDULESIM=true;
 110       else if (option.equals("-printcriticalpath"))
 111           State.PRINTCRITICALPATH=true;
 112       else if (option.equals("-struct"))
 113         state.structfile=args[++i];
 114       else if (option.equals("-conscheck"))
 115         state.CONSCHECK=true;
 116       else if (option.equals("-task"))
 117         state.TASK=true;
 118       else if (option.equals("-abortreaders"))
 119         state.ABORTREADERS=true;
 120       else if (option.equals("-sandbox"))
 121         state.SANDBOX=true;
 122       else if (option.equals("-taskstate"))
 123         state.TASKSTATE=true;
 124       else if (option.equals("-tagstate"))
 125         state.TAGSTATE=true;
 126       else if (option.equals("-stmarray"))
 127         state.STMARRAY=true;
 128       else if (option.equals("-eventmonitor"))
 129         state.EVENTMONITOR=true;
 130       else if (option.equals("-dualview"))
 131         state.DUALVIEW=true;
 132       else if (option.equals("-hybrid"))
 133         state.HYBRID=true;
 134       else if (option.equals("-flatirtasks")) {
 135         state.FLATIRGRAPH=true;
 136         state.FLATIRGRAPHTASKS=true;
 137       } else if (option.equals("-flatirusermethods")) {
 138         state.FLATIRGRAPH=true;
 139         state.FLATIRGRAPHUSERMETHODS=true;
 140       } else if (option.equals("-flatirlibmethods")) {
 141         state.FLATIRGRAPH=true;
 142         state.FLATIRGRAPHLIBMETHODS=true;
 143       } else if (option.equals("-bamboocompiletime")) {
 144         state.BAMBOOCOMPILETIME = true;
 145       } else if (option.equals("-multicore"))
 146         state.MULTICORE=true;
 147       else if (option.equals("-multicoregc"))
 148         state.MULTICOREGC=true;
 149       else if (option.equals("-ownership"))
 150         state.OWNERSHIP=true;
 151       else if (option.equals("-ownallocdepth")) {
 152         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 153       } else if (option.equals("-ownwritedots")) {
 154         state.OWNERSHIPWRITEDOTS=true;
 155         if (args[++i].equals("all")) {
 156           state.OWNERSHIPWRITEALL=true;
 157         }
 158       } else if (option.equals("-ownaliasfile")) {
 159         state.OWNERSHIPALIASFILE=args[++i];
 160       } else if (option.equals("-ownaliasfiletab")) {
 161         state.OWNERSHIPALIASFILE=args[++i];
 162         state.OWNERSHIPALIASTAB=true;
 163       } else if (option.equals("-owndebugcallee")) {
 164         state.OWNERSHIPDEBUGCALLEE=args[++i];
 165       } else if (option.equals("-owndebugcaller")) {
 166         state.OWNERSHIPDEBUGCALLER=args[++i];
 167       } else if (option.equals("-owndebugcallcount")) {
 168         state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 169       }
 170
 171       else if (option.equals("-disjoint"))
 172         state.DISJOINT=true;
 173
 174       else if (option.equals("-disjoint-k")) {
 175         state.DISJOINTALLOCDEPTH=Integer.parseInt(args[++i]);
 176
 177       } else if (option.equals("-disjoint-write-dots")) {
 178         state.DISJOINTWRITEDOTS = true;
 179         String arg = args[++i];
 180         if( arg.equals("all") ) {
 181           state.DISJOINTWRITEALL = true;
 182         } else if( arg.equals("final") ) {
 183           state.DISJOINTWRITEALL = false;
 184         } else {
 185           throw new Error("disjoint-write-dots requires argument <all/final>");
 186         }
 187
 188       } else if (option.equals("-disjoint-write-initial-contexts")) {
 189         state.DISJOINTWRITEINITCONTEXTS = true;
 190
 191       } else if (option.equals("-disjoint-write-ihms")) {
 192         state.DISJOINTWRITEIHMS = true;
 193
 194       } else if (option.equals("-disjoint-alias-file")) {
 195         state.DISJOINTALIASFILE = args[++i];
 196         String arg = args[++i];
 197         if( arg.equals("normal") ) {
 198           state.DISJOINTALIASTAB = false;
 199         } else if( arg.equals("tabbed") ) {
 200           state.DISJOINTALIASTAB = true;
 201         } else {
 202           throw new Error("disjoint-alias-file requires arguments: <filename> <normal/tabbed>");
 203         }
 204
 205       } else if (option.equals("-disjoint-debug-callsite")) {
 206         state.DISJOINTDEBUGCALLEE=args[++i];
 207         state.DISJOINTDEBUGCALLER=args[++i];
 208         state.DISJOINTDEBUGCALLVISITTOSTART=Integer.parseInt(args[++i]);
 209         state.DISJOINTDEBUGCALLNUMVISITS=Integer.parseInt(args[++i]);
 210         String arg = args[++i];
 211         if( arg.equals("true") ) {
 212           state.DISJOINTDEBUGCALLSTOPAFTER = true;
 213         } else if( arg.equals("false") ) {
 214           state.DISJOINTDEBUGCALLSTOPAFTER = false;
 215         } else {
 216           throw new Error("disjoint-debug-callsite requires arguments:\n"+
 217                           "  <callee symbol> <caller symbol> <# visit to start> <# visits to capture> <T/F stop after>");
 218         }
 219
 220       } else if (option.equals("-disjoint-debug-snap-method")) {
 221         state.DISJOINTSNAPSYMBOL=args[++i];
 222         state.DISJOINTSNAPVISITTOSTART=Integer.parseInt(args[++i]);
 223         state.DISJOINTSNAPNUMVISITS=Integer.parseInt(args[++i]);
 224         String arg = args[++i];
 225         if( arg.equals("true") ) {
 226           state.DISJOINTSNAPSTOPAFTER = true;
 227         } else if( arg.equals("false") ) {
 228           state.DISJOINTSNAPSTOPAFTER = false;
 229         } else {
 230           throw new Error("disjoint-debug-snap-method requires arguments:\n"+
 231                           "  <method symbol> <# visit to start> <# visits to snap> <T/F stop after>");
 232         }
 233
 234       } else if( option.equals( "-disjoint-release-mode" ) ) {
 235         state.DISJOINTRELEASEMODE = true;
 236
 237       } else if( option.equals( "-disjoint-dvisit-stack" ) ) {
 238         state.DISJOINTDVISITSTACK         = true;
 239         state.DISJOINTDVISITPQUE          = false;
 240         state.DISJOINTDVISITSTACKEESONTOP = false;
 241
 242       } else if( option.equals( "-disjoint-dvisit-pqueue" ) ) {
 243         state.DISJOINTDVISITPQUE          = true;
 244         state.DISJOINTDVISITSTACK         = false;
 245         state.DISJOINTDVISITSTACKEESONTOP = false;
 246
 247       } else if( option.equals( "-disjoint-dvisit-stack-callees-on-top" ) ) {
 248         state.DISJOINTDVISITSTACKEESONTOP = true;
 249         state.DISJOINTDVISITPQUE          = false;
 250         state.DISJOINTDVISITSTACK         = false;
 251
 252       } else if( option.equals( "-disjoint-desire-determinism" ) ) {
 253         state.DISJOINTDETERMINISM = true;
 254
 255         // when asking analysis for a deterministic result, force
 256         // a stack-based visiting scheme, because the priority queue
 257         // requires a non-deterministic topological sort
 258         state.DISJOINTDVISITSTACKEESONTOP = true;
 259         state.DISJOINTDVISITPQUE          = false;
 260         state.DISJOINTDVISITSTACK         = false;
 261
 262
 263       } else if( option.equals( "-disjoint-debug-scheduling" ) ) {
 264         state.DISJOINTDEBUGSCHEDULING = true;
 265       }
 266
 267
 268       else if (option.equals("-optional"))
 269         state.OPTIONAL=true;
 270       else if (option.equals("-optimize"))
 271         state.OPTIMIZE=true;
 272       else if (option.equals("-dcopts"))
 273         state.DCOPTS=true;
 274       else if (option.equals("-arraypad"))
 275         state.ARRAYPAD=true;
 276       else if (option.equals("-delaycomp"))
 277         state.DELAYCOMP=true;
 278       else if (option.equals("-raw"))
 279         state.RAW=true;
 280       else if (option.equals("-scheduling"))
 281         state.SCHEDULING=true;
 282       else if (option.equals("-distributioninfo"))
 283         isDistributeInfo=true;
 284       else if (option.equals("-disall"))
 285         isDisAll=true;
 286       else if (option.equals("-disstart"))
 287         startnum = Integer.parseInt(args[++i]);
 288       else if (option.equals("-useprofile")) {
 289         state.USEPROFILE=true;
 290     state.profilename = args[++i];
 291       }
 292       else if (option.equals("-thread"))
 293         state.THREAD=true;
 294       else if (option.equals("-dsm"))
 295         state.DSM=true;
 296       else if (option.equals("-recoverystats"))
 297   state.DSMRECOVERYSTATS=true;
 298       else if (option.equals("-dsmtask"))
 299   state.DSMTASK=true;
 300       else if (option.equals("-singleTM"))
 301         state.SINGLETM=true;
 302       else if (option.equals("-readset"))
 303         state.READSET=true;
 304       else if (option.equals("-webinterface"))
 305         state.WEBINTERFACE=true;
 306       else if (option.equals("-instructionfailures"))
 307         state.INSTRUCTIONFAILURE=true;
 308       else if (option.equals("-abcclose"))
 309         state.ARRAYBOUNDARYCHECK=false;
 310
 311       else if (option.equals("-mlp")) {
 312         state.MLP            = true;
 313         state.OWNERSHIP      = true;
 314         state.MLP_NUMCORES   = Integer.parseInt( args[++i] );
 315         state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
 316
 317       } else if (option.equals("-mlpdebug")) {
 318         state.MLPDEBUG=true;
 319
 320       } else if (option.equals("-methodeffects")) {
 321         state.METHODEFFECTS=true;
 322       }else if (option.equals("-help")) {
 323         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 324         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 325         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 326         System.out.println("-struct structfile -- output structure declarations for repair tool");
 327         System.out.println("-mainclass -- main function to call");
 328         System.out.println("-dsm -- distributed shared memory support");
 329         System.out.println("-singleTM -- single machine committing transactions");
 330         System.out.println("-abortreaders -- abort readers");
 331         System.out.println("-precise -- use precise garbage collection");
 332         System.out.println("-conscheck -- turn on consistency checking");
 333         System.out.println("-task -- compiler for tasks");
 334         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 335         System.out.println("-thread -- threads");
 336         System.out.println("-trueprob <d> -- probability of true branch");
 337         System.out.println("-printflat -- print out flat representation");
 338         System.out.println("-instructionfailures -- insert code for instruction level failures");
 339         System.out.println("-taskstate -- do task state analysis");
 340         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 341         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 342         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 343         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 344         System.out.println("-ownership -- do ownership analysis");
 345         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 346         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 347         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 348         System.out.println("-optimize -- enable optimizations");
 349         System.out.println("-optional -- enable optional arguments");
 350         System.out.println("-abcclose close the array boundary check");
 351         System.out.println("-scheduling do task scheduling");
 352         System.out.println("-mlp <num cores> <max sese age> build mlp code");
 353         System.out.println("-mlpdebug if mlp, report progress and interim results");
 354         System.out.println("-multicore generate multi-core version binary");
 355         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 356         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 357         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 358         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 359         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 360         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 361         System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
 362         System.out.println("-printscheduling -- print out scheduling graphs");
 363         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 364         System.out.println("-webinterface -- enable web interface");
 365         System.out.println("-help -- print out help");
 366         System.exit(0);
 367       } else {
 368         sourcefiles.add(args[i]);
 369       }
 370     }
 371
 372     //add default classpath
 373     if (state.classpath.size()==1)
 374       state.classpath.add(ClassLibraryPrefix);
 375
 376     BuildIR bir=new BuildIR(state);
 377     TypeUtil tu=new TypeUtil(state, bir);
 378
 379
 380     SemanticCheck sc=new SemanticCheck(state,tu);
 381
 382     for(int i=0;i<sourcefiles.size();i++)
 383       loadClass(state, bir,(String)sourcefiles.get(i));
 384
 385     //Stuff the runtime wants to see
 386     sc.getClass("String");
 387     sc.getClass("Math");
 388     sc.getClass("File");
 389     sc.getClass("Socket");
 390     sc.getClass("ServerSocket");
 391     sc.getClass("FileInputStream");
 392     sc.getClass("FileOutputStream");
 393     if (state.TASK) {
 394       sc.getClass("TagDescriptor");
 395     }
 396     if (state.THREAD||state.DSM||state.SINGLETM) {
 397       sc.getClass("Thread");
 398     }
 399
 400     sc.semanticCheck();
 401
 402     tu.createFullTable();
 403
 404     BuildFlat bf=new BuildFlat(state,tu);
 405     bf.buildFlat();
 406     SafetyAnalysis sa=null;
 407     PrefetchAnalysis pa=null;
 408     MLPAnalysis mlpa=null;
 409     if (state.INLINEATOMIC) {
 410       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 411       while(classit.hasNext()) {
 412         ClassDescriptor cn=(ClassDescriptor)classit.next();
 413         Iterator methodit=cn.getMethods();
 414         while(methodit.hasNext()) {
 415           // do inlining
 416           MethodDescriptor md=(MethodDescriptor)methodit.next();
 417           FlatMethod fm=state.getMethodFlat(md);
 418           Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
 419         }
 420       }
 421     }
 422
 423
 424     if (state.OPTIMIZE) {
 425       CallGraph callgraph=new CallGraph(state);
 426       CopyPropagation cp=new CopyPropagation();
 427       DeadCode dc=new DeadCode();
 428       GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
 429       CSE cse=new CSE(gft, tu);
 430       localCSE lcse=new localCSE(gft, tu);
 431       LoopOptimize lo=new LoopOptimize(gft, tu);
 432       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 433       while(classit.hasNext()) {
 434         ClassDescriptor cn=(ClassDescriptor)classit.next();
 435         Iterator methodit=cn.getMethods();
 436         while(methodit.hasNext()) {
 437           /* Classify parameters */
 438           MethodDescriptor md=(MethodDescriptor)methodit.next();
 439           FlatMethod fm=state.getMethodFlat(md);
 440           cp.optimize(fm);
 441           dc.optimize(fm);
 442           lo.optimize(fm);
 443           cp.optimize(fm);
 444           dc.optimize(fm);
 445           lcse.doAnalysis(fm);
 446           cse.doAnalysis(fm);
 447           cp.optimize(fm);
 448           dc.optimize(fm);
 449           cp.optimize(fm);
 450           dc.optimize(fm);
 451         }
 452       }
 453     }
 454
 455     if (state.FLATIRGRAPH) {
 456       FlatIRGraph firg = new FlatIRGraph(state,
 457                                          state.FLATIRGRAPHTASKS,
 458                                          state.FLATIRGRAPHUSERMETHODS,
 459                                          state.FLATIRGRAPHLIBMETHODS);
 460     }
 461
 462     if (state.OWNERSHIP && !state.MLP) {
 463       CallGraph callGraph = new CallGraph(state);
 464       Liveness liveness = new Liveness();
 465       ArrayReferencees ar = new ArrayReferencees(state);
 466       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 467                                                    tu,
 468                                                    callGraph,
 469                                                    liveness,
 470                                                    ar,
 471                                                    state.OWNERSHIPALLOCDEPTH,
 472                                                    state.OWNERSHIPWRITEDOTS,
 473                                                    state.OWNERSHIPWRITEALL,
 474                                                    state.OWNERSHIPALIASFILE,
 475                                                    state.METHODEFFECTS);
 476     }
 477
 478     if (state.MLP) {
 479       CallGraph callGraph = new CallGraph(state);
 480       Liveness liveness = new Liveness();
 481       ArrayReferencees ar = new ArrayReferencees(state);
 482       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 483                                                    tu,
 484                                                    callGraph,
 485                                                    liveness,
 486                                                    ar,
 487                                                    state.OWNERSHIPALLOCDEPTH,
 488                                                    state.OWNERSHIPWRITEDOTS,
 489                                                    state.OWNERSHIPWRITEALL,
 490                                                    state.OWNERSHIPALIASFILE,
 491                                                    state.METHODEFFECTS);
 492       mlpa = new MLPAnalysis(state,
 493                              tu,
 494                              callGraph,
 495                              oa);
 496     }
 497
 498     if (state.DISJOINT) {
 499       CallGraph        cg = new CallGraph(state);
 500       Liveness         l  = new Liveness();
 501       ArrayReferencees ar = new ArrayReferencees(state);
 502       DisjointAnalysis oa = new DisjointAnalysis(state, tu, cg, l, ar);
 503     }
 504
 505     if (state.TAGSTATE) {
 506       CallGraph callgraph=new CallGraph(state);
 507       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 508       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 509     }
 510
 511     if (state.TASKSTATE) {
 512       CallGraph callgraph=new CallGraph(state);
 513       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 514       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 515       ta.taskAnalysis();
 516       TaskGraph tg=new TaskGraph(state, ta);
 517       tg.createDOTfiles();
 518
 519       if (state.OPTIONAL) {
 520         ExecutionGraph et=new ExecutionGraph(state, ta);
 521         et.createExecutionGraph();
 522         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 523         sa.doAnalysis();
 524         state.storeAnalysisResult(sa.getResult());
 525         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 526       }
 527
 528       if (state.WEBINTERFACE) {
 529         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 530         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 531         JhttpServer serve=new JhttpServer(8000,wi);
 532         serve.run();
 533       }
 534
 535       if (state.SCHEDULING) {
 536         // Use ownership analysis to get alias information
 537         CallGraph callGraph = new CallGraph(state);
 538         Liveness liveness = new Liveness();
 539         ArrayReferencees ar = new ArrayReferencees(state);
 540         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 541                                                      tu,
 542                                                      callGraph,
 543                                                      liveness,
 544                                                      ar,
 545                                                      state.OWNERSHIPALLOCDEPTH,
 546                                                      state.OWNERSHIPWRITEDOTS,
 547                                                      state.OWNERSHIPWRITEALL,
 548                                                      state.OWNERSHIPALIASFILE);
 549
 550         // synthesis a layout according to target multicore processor
 551         MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
 552                                                               ta,
 553                                                               oa);
 554         if(isDistributeInfo) {
 555             mcImplSynthesis.distribution(isDisAll, startnum);
 556         } else {
 557             double timeStartAnalysis = (double) System.nanoTime();
 558             mcImplSynthesis.setScheduleThreshold(20);
 559             mcImplSynthesis.setProbThreshold(0);
 560             mcImplSynthesis.setGenerateThreshold(30);
 561             Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
 562
 563             double timeEndAnalysis = (double) System.nanoTime();
 564         if(state.BAMBOOCOMPILETIME) {
 565           double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
 566           System.err.println("The analysis took" + dt +  "sec.");
 567           System.exit(0);
 568         }
 569
 570             // generate multicore codes
 571             if(state.MULTICORE) {
 572                 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 573                                                               bf.getMap(),
 574                                                               tu,
 575                                                               sa,
 576                                                               scheduling,
 577                                                               mcImplSynthesis.getCoreNum(),
 578                                                   state.CORENUM4GC,
 579                                                               pa);
 580                 bcm.setOwnershipAnalysis(oa);
 581                 bcm.buildCode();
 582             }
 583             scheduling.clear();
 584             scheduling = null;
 585         }
 586       }
 587     }
 588     if(!state.MULTICORE) {
 589       if (state.DSM||state.SINGLETM) {
 590         CallGraph callgraph=new CallGraph(state);
 591         if (state.PREFETCH) {
 592           //speed up prefetch generation using locality analysis results
 593           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 594           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 595         }
 596         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 597         GenerateConversions gc=new GenerateConversions(la, state);
 598         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
 599         bc.buildCode();
 600       } else {
 601         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
 602         bc.buildCode();
 603       }
 604     }
 605
 606     System.out.println("Lines="+state.lines);
 607     System.exit(0);
 608   }
 609
 610   public static void loadClass(State state, BuildIR bir, String sourcefile) {
 611     try {
 612       ParseNode pn=readSourceFile(state, sourcefile);
 613       bir.buildtree(pn, null);
 614     } catch (Exception e) {
 615       System.out.println("Error in sourcefile:"+sourcefile);
 616       e.printStackTrace();
 617       System.exit(-1);
 618     } catch (Error e) {
 619       System.out.println("Error in sourcefile:"+sourcefile);
 620       e.printStackTrace();
 621       System.exit(-1);
 622     }
 623   }
 624
 625   /** Reads in a source file and adds the parse tree to the state object. */
 626
 627   public static ParseNode readSourceFile(State state, String sourcefile) {
 628     try {
 629       Reader fr= new BufferedReader(new FileReader(sourcefile));
 630       Lex.Lexer l = new Lex.Lexer(fr);
 631       java_cup.runtime.lr_parser g;
 632       g = new Parse.Parser(l);
 633       ParseNode p=null;
 634       try {
 635         p=(ParseNode) g./*debug_*/parse().value;
 636       } catch (Exception e) {
 637         System.err.println("Error parsing file:"+sourcefile);
 638         e.printStackTrace();
 639         System.exit(-1);
 640       }
 641       state.addParseNode(p);
 642       if (l.numErrors()!=0) {
 643         System.out.println("Error parsing "+sourcefile);
 644         System.exit(l.numErrors());
 645       }
 646       state.lines+=l.line_num;
 647       return p;
 648
 649     } catch (Exception e) {
 650       throw new Error(e);
 651     }
 652   }
 653 }