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("-multicore"))
 144         state.MULTICORE=true;
 145       else if (option.equals("-multicoregc"))
 146         state.MULTICOREGC=true;
 147       else if (option.equals("-ownership"))
 148         state.OWNERSHIP=true;
 149       else if (option.equals("-ownallocdepth")) {
 150         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 151       } else if (option.equals("-ownwritedots")) {
 152         state.OWNERSHIPWRITEDOTS=true;
 153         if (args[++i].equals("all")) {
 154           state.OWNERSHIPWRITEALL=true;
 155         }
 156       } else if (option.equals("-ownaliasfile")) {
 157         state.OWNERSHIPALIASFILE=args[++i];
 158       } else if (option.equals("-ownaliasfiletab")) {
 159         state.OWNERSHIPALIASFILE=args[++i];
 160         state.OWNERSHIPALIASTAB=true;
 161       } else if (option.equals("-owndebugcallee")) {
 162         state.OWNERSHIPDEBUGCALLEE=args[++i];
 163       } else if (option.equals("-owndebugcaller")) {
 164         state.OWNERSHIPDEBUGCALLER=args[++i];
 165       } else if (option.equals("-owndebugcallcount")) {
 166         state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 167       }
 168       else if (option.equals("-disjoint"))
 169         state.DISJOINT=true;
 170       else if (option.equals("-disjoint-k")) {
 171         state.DISJOINTALLOCDEPTH=Integer.parseInt(args[++i]);
 172       } else if (option.equals("-disjoint-write-dots")) {
 173         state.DISJOINTWRITEDOTS = true;
 174         String arg = args[++i];
 175         if( arg.equals("all") ) {
 176           state.DISJOINTWRITEALL = true;
 177         } else if( arg.equals("final") ) {
 178           state.DISJOINTWRITEALL = false;
 179         } else {
 180           throw new Error("disjoint-write-dots requires argument <all/final>");
 181         }
 182       } else if (option.equals("-disjoint-alias-file")) {
 183         state.DISJOINTALIASFILE = args[++i];
 184         String arg = args[++i];
 185         if( arg.equals("normal") ) {
 186           state.DISJOINTALIASTAB = false;
 187         } else if( arg.equals("tabbed") ) {
 188           state.DISJOINTALIASTAB = true;
 189         } else {
 190           throw new Error("disjoint-alias-file requires arguments <filename> <normal/tabbed>");
 191         }
 192       } else if (option.equals("-disjoint-debug-callsite")) {
 193         state.DISJOINTDEBUGCALLEE=args[++i];
 194         state.DISJOINTDEBUGCALLER=args[++i];
 195         state.DISJOINTDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 196       }
 197       else if (option.equals("-optional"))
 198         state.OPTIONAL=true;
 199       else if (option.equals("-optimize"))
 200         state.OPTIMIZE=true;
 201       else if (option.equals("-dcopts"))
 202         state.DCOPTS=true;
 203       else if (option.equals("-arraypad"))
 204         state.ARRAYPAD=true;
 205       else if (option.equals("-delaycomp"))
 206         state.DELAYCOMP=true;
 207       else if (option.equals("-raw"))
 208         state.RAW=true;
 209       else if (option.equals("-scheduling"))
 210         state.SCHEDULING=true;
 211       else if (option.equals("-distributioninfo"))
 212         isDistributeInfo=true;
 213       else if (option.equals("-disall"))
 214         isDisAll=true;
 215       else if (option.equals("-disstart"))
 216         startnum = Integer.parseInt(args[++i]);
 217       else if (option.equals("-useprofile")) {
 218         state.USEPROFILE=true;
 219     state.profilename = args[++i];
 220       }
 221       else if (option.equals("-thread"))
 222         state.THREAD=true;
 223       else if (option.equals("-dsm"))
 224         state.DSM=true;
 225       else if (option.equals("-recoverystats"))
 226   state.DSMRECOVERYSTATS=true;
 227       else if (option.equals("-dsmtask"))
 228   state.DSMTASK=true;
 229       else if (option.equals("-singleTM"))
 230         state.SINGLETM=true;
 231       else if (option.equals("-readset"))
 232         state.READSET=true;
 233       else if (option.equals("-webinterface"))
 234         state.WEBINTERFACE=true;
 235       else if (option.equals("-instructionfailures"))
 236         state.INSTRUCTIONFAILURE=true;
 237       else if (option.equals("-abcclose"))
 238         state.ARRAYBOUNDARYCHECK=false;
 239
 240       else if (option.equals("-mlp")) {
 241         state.MLP            = true;
 242         state.OWNERSHIP      = true;
 243         state.MLP_NUMCORES   = Integer.parseInt( args[++i] );
 244         state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
 245
 246       } else if (option.equals("-mlpdebug")) {
 247         state.MLPDEBUG=true;
 248
 249       } else if (option.equals("-methodeffects")) {
 250         state.METHODEFFECTS=true;
 251       }else if (option.equals("-help")) {
 252         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 253         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 254         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 255         System.out.println("-struct structfile -- output structure declarations for repair tool");
 256         System.out.println("-mainclass -- main function to call");
 257         System.out.println("-dsm -- distributed shared memory support");
 258         System.out.println("-singleTM -- single machine committing transactions");
 259         System.out.println("-abortreaders -- abort readers");
 260         System.out.println("-precise -- use precise garbage collection");
 261         System.out.println("-conscheck -- turn on consistency checking");
 262         System.out.println("-task -- compiler for tasks");
 263         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 264         System.out.println("-thread -- threads");
 265         System.out.println("-trueprob <d> -- probability of true branch");
 266         System.out.println("-printflat -- print out flat representation");
 267         System.out.println("-instructionfailures -- insert code for instruction level failures");
 268         System.out.println("-taskstate -- do task state analysis");
 269         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 270         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 271         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 272         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 273         System.out.println("-ownership -- do ownership analysis");
 274         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 275         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 276         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 277         System.out.println("-optimize -- enable optimizations");
 278         System.out.println("-optional -- enable optional arguments");
 279         System.out.println("-abcclose close the array boundary check");
 280         System.out.println("-scheduling do task scheduling");
 281         System.out.println("-mlp <num cores> <max sese age> build mlp code");
 282         System.out.println("-mlpdebug if mlp, report progress and interim results");
 283         System.out.println("-multicore generate multi-core version binary");
 284         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 285         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 286         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 287         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 288         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 289         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 290         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");
 291         System.out.println("-printscheduling -- print out scheduling graphs");
 292         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 293         System.out.println("-webinterface -- enable web interface");
 294         System.out.println("-help -- print out help");
 295         System.exit(0);
 296       } else {
 297         sourcefiles.add(args[i]);
 298       }
 299     }
 300
 301     //add default classpath
 302     if (state.classpath.size()==1)
 303       state.classpath.add(ClassLibraryPrefix);
 304
 305     BuildIR bir=new BuildIR(state);
 306     TypeUtil tu=new TypeUtil(state, bir);
 307
 308
 309     SemanticCheck sc=new SemanticCheck(state,tu);
 310
 311     for(int i=0;i<sourcefiles.size();i++)
 312       loadClass(state, bir,(String)sourcefiles.get(i));
 313
 314     //Stuff the runtime wants to see
 315     sc.getClass("String");
 316     sc.getClass("Math");
 317     sc.getClass("File");
 318     sc.getClass("Socket");
 319     sc.getClass("ServerSocket");
 320     sc.getClass("FileInputStream");
 321     sc.getClass("FileOutputStream");
 322     if (state.TASK) {
 323       sc.getClass("TagDescriptor");
 324     }
 325     if (state.THREAD||state.DSM||state.SINGLETM) {
 326       sc.getClass("Thread");
 327     }
 328
 329     sc.semanticCheck();
 330
 331     tu.createFullTable();
 332
 333     BuildFlat bf=new BuildFlat(state,tu);
 334     bf.buildFlat();
 335     SafetyAnalysis sa=null;
 336     PrefetchAnalysis pa=null;
 337     MLPAnalysis mlpa=null;
 338     if (state.INLINEATOMIC) {
 339       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 340       while(classit.hasNext()) {
 341         ClassDescriptor cn=(ClassDescriptor)classit.next();
 342         Iterator methodit=cn.getMethods();
 343         while(methodit.hasNext()) {
 344           // do inlining
 345           MethodDescriptor md=(MethodDescriptor)methodit.next();
 346           FlatMethod fm=state.getMethodFlat(md);
 347           Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
 348         }
 349       }
 350     }
 351
 352
 353     if (state.OPTIMIZE) {
 354       CallGraph callgraph=new CallGraph(state);
 355       CopyPropagation cp=new CopyPropagation();
 356       DeadCode dc=new DeadCode();
 357       GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
 358       CSE cse=new CSE(gft, tu);
 359       localCSE lcse=new localCSE(gft, tu);
 360       LoopOptimize lo=new LoopOptimize(gft, tu);
 361       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 362       while(classit.hasNext()) {
 363         ClassDescriptor cn=(ClassDescriptor)classit.next();
 364         Iterator methodit=cn.getMethods();
 365         while(methodit.hasNext()) {
 366           /* Classify parameters */
 367           MethodDescriptor md=(MethodDescriptor)methodit.next();
 368           FlatMethod fm=state.getMethodFlat(md);
 369           cp.optimize(fm);
 370           dc.optimize(fm);
 371           lo.optimize(fm);
 372           cp.optimize(fm);
 373           dc.optimize(fm);
 374           lcse.doAnalysis(fm);
 375           cse.doAnalysis(fm);
 376           cp.optimize(fm);
 377           dc.optimize(fm);
 378           cp.optimize(fm);
 379           dc.optimize(fm);
 380         }
 381       }
 382     }
 383
 384     if (state.FLATIRGRAPH) {
 385       FlatIRGraph firg = new FlatIRGraph(state,
 386                                          state.FLATIRGRAPHTASKS,
 387                                          state.FLATIRGRAPHUSERMETHODS,
 388                                          state.FLATIRGRAPHLIBMETHODS);
 389     }
 390
 391     if (state.OWNERSHIP && !state.MLP) {
 392       CallGraph callGraph = new CallGraph(state);
 393       Liveness liveness = new Liveness();
 394       ArrayReferencees ar = new ArrayReferencees(state);
 395       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 396                                                    tu,
 397                                                    callGraph,
 398                                                    liveness,
 399                                                    ar,
 400                                                    state.OWNERSHIPALLOCDEPTH,
 401                                                    state.OWNERSHIPWRITEDOTS,
 402                                                    state.OWNERSHIPWRITEALL,
 403                                                    state.OWNERSHIPALIASFILE,
 404                                                    state.METHODEFFECTS);
 405     }
 406
 407     if (state.MLP) {
 408       CallGraph callGraph = new CallGraph(state);
 409       Liveness liveness = new Liveness();
 410       ArrayReferencees ar = new ArrayReferencees(state);
 411       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 412                                                    tu,
 413                                                    callGraph,
 414                                                    liveness,
 415                                                    ar,
 416                                                    state.OWNERSHIPALLOCDEPTH,
 417                                                    state.OWNERSHIPWRITEDOTS,
 418                                                    state.OWNERSHIPWRITEALL,
 419                                                    state.OWNERSHIPALIASFILE,
 420                                                    state.METHODEFFECTS);
 421       mlpa = new MLPAnalysis(state,
 422                              tu,
 423                              callGraph,
 424                              oa);
 425     }
 426
 427     if (state.DISJOINT) {
 428       CallGraph        cg = new CallGraph(state);
 429       Liveness         l  = new Liveness();
 430       ArrayReferencees ar = new ArrayReferencees(state);
 431       DisjointAnalysis oa = new DisjointAnalysis(state, tu, cg, l, ar);
 432     }
 433
 434     if (state.TAGSTATE) {
 435       CallGraph callgraph=new CallGraph(state);
 436       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 437       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 438     }
 439
 440     if (state.TASKSTATE) {
 441       CallGraph callgraph=new CallGraph(state);
 442       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 443       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 444       ta.taskAnalysis();
 445       TaskGraph tg=new TaskGraph(state, ta);
 446       tg.createDOTfiles();
 447
 448       if (state.OPTIONAL) {
 449         ExecutionGraph et=new ExecutionGraph(state, ta);
 450         et.createExecutionGraph();
 451         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 452         sa.doAnalysis();
 453         state.storeAnalysisResult(sa.getResult());
 454         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 455       }
 456
 457       if (state.WEBINTERFACE) {
 458         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 459         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 460         JhttpServer serve=new JhttpServer(8000,wi);
 461         serve.run();
 462       }
 463
 464       if (state.SCHEDULING) {
 465         // Use ownership analysis to get alias information
 466         CallGraph callGraph = new CallGraph(state);
 467         Liveness liveness = new Liveness();
 468         ArrayReferencees ar = new ArrayReferencees(state);
 469         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 470                                                      tu,
 471                                                      callGraph,
 472                                                      liveness,
 473                                                      ar,
 474                                                      state.OWNERSHIPALLOCDEPTH,
 475                                                      state.OWNERSHIPWRITEDOTS,
 476                                                      state.OWNERSHIPWRITEALL,
 477                                                      state.OWNERSHIPALIASFILE);
 478
 479         // synthesis a layout according to target multicore processor
 480         MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
 481                                                               ta,
 482                                                               oa);
 483         if(isDistributeInfo) {
 484             mcImplSynthesis.distribution(isDisAll, startnum);
 485         } else {
 486             //double timeStartAnalysis = (double) System.nanoTime();
 487             mcImplSynthesis.setScheduleThreshold(20);
 488             mcImplSynthesis.setProbThreshold(0);
 489             mcImplSynthesis.setGenerateThreshold(30);
 490             Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
 491
 492             //double timeEndAnalysis = (double) System.nanoTime();
 493             //double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
 494             //System.err.println("The analysis took" + dt +  "sec.");
 495         //System.exit(0);
 496
 497             // generate multicore codes
 498             if(state.MULTICORE) {
 499                 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 500                                                               bf.getMap(),
 501                                                               tu,
 502                                                               sa,
 503                                                               scheduling,
 504                                                               mcImplSynthesis.getCoreNum(),
 505                                                   state.CORENUM4GC,
 506                                                               pa);
 507                 bcm.setOwnershipAnalysis(oa);
 508                 bcm.buildCode();
 509             }
 510             scheduling.clear();
 511             scheduling = null;
 512         }
 513       }
 514     }
 515     if(!state.MULTICORE) {
 516       if (state.DSM||state.SINGLETM) {
 517         CallGraph callgraph=new CallGraph(state);
 518         if (state.PREFETCH) {
 519           //speed up prefetch generation using locality analysis results
 520           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 521           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 522         }
 523         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 524         GenerateConversions gc=new GenerateConversions(la, state);
 525         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
 526         bc.buildCode();
 527       } else {
 528         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
 529         bc.buildCode();
 530       }
 531     }
 532
 533     System.out.println("Lines="+state.lines);
 534     System.exit(0);
 535   }
 536
 537   public static void loadClass(State state, BuildIR bir, String sourcefile) {
 538     try {
 539       ParseNode pn=readSourceFile(state, sourcefile);
 540       bir.buildtree(pn, null);
 541     } catch (Exception e) {
 542       System.out.println("Error in sourcefile:"+sourcefile);
 543       e.printStackTrace();
 544       System.exit(-1);
 545     } catch (Error e) {
 546       System.out.println("Error in sourcefile:"+sourcefile);
 547       e.printStackTrace();
 548       System.exit(-1);
 549     }
 550   }
 551
 552   /** Reads in a source file and adds the parse tree to the state object. */
 553
 554   public static ParseNode readSourceFile(State state, String sourcefile) {
 555     try {
 556       Reader fr= new BufferedReader(new FileReader(sourcefile));
 557       Lex.Lexer l = new Lex.Lexer(fr);
 558       java_cup.runtime.lr_parser g;
 559       g = new Parse.Parser(l);
 560       ParseNode p=null;
 561       try {
 562         p=(ParseNode) g./*debug_*/parse().value;
 563       } catch (Exception e) {
 564         System.err.println("Error parsing file:"+sourcefile);
 565         e.printStackTrace();
 566         System.exit(-1);
 567       }
 568       state.addParseNode(p);
 569       if (l.numErrors()!=0) {
 570         System.out.println("Error parsing "+sourcefile);
 571         System.exit(l.numErrors());
 572       }
 573       state.lines+=l.line_num;
 574       return p;
 575
 576     } catch (Exception e) {
 577       throw new Error(e);
 578     }
 579   }
 580 }