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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.core.builder;
  12
  13 import java.util.ArrayList;
  14
  15 import net.sourceforge.phpdt.core.compiler.IProblem;
  16 import net.sourceforge.phpdt.internal.compiler.CompilationResult;
  17 import net.sourceforge.phpdt.internal.compiler.problem.ProblemHandler;
  18 import net.sourceforge.phpdt.internal.core.util.SimpleLookupTable;
  19 import net.sourceforge.phpdt.internal.core.util.Util;
  20
  21 import org.eclipse.core.resources.IFile;
  22 import org.eclipse.core.resources.IFolder;
  23 import org.eclipse.core.resources.IMarker;
  24 import org.eclipse.core.resources.IResource;
  25 import org.eclipse.core.resources.IResourceDelta;
  26 import org.eclipse.core.runtime.CoreException;
  27 import org.eclipse.core.runtime.IPath;
  28
  29 /**
  30  * The incremental image builder
  31  */
  32 public class IncrementalImageBuilder extends AbstractImageBuilder {
  33   protected ArrayList sourceFiles;
  34
  35   protected ArrayList previousSourceFiles;
  36
  37   protected ArrayList qualifiedStrings;
  38
  39   protected ArrayList simpleStrings;
  40
  41   protected SimpleLookupTable secondaryTypesToRemove;
  42
  43   protected boolean hasStructuralChanges;
  44
  45   protected int compileLoop;
  46
  47   public static int MaxCompileLoop = 5; // perform a full build if it takes
  48
  49   // more than ? incremental compile
  50   // loops
  51   protected IncrementalImageBuilder(PHPBuilder javaBuilder) {
  52     super(javaBuilder);
  53     this.nameEnvironment.isIncrementalBuild = true;
  54     this.newState.copyFrom(javaBuilder.lastState);
  55     this.sourceFiles = new ArrayList(33);
  56     this.previousSourceFiles = null;
  57     this.qualifiedStrings = new ArrayList(33);
  58     this.simpleStrings = new ArrayList(33);
  59     this.hasStructuralChanges = false;
  60     this.compileLoop = 0;
  61   }
  62
  63   public boolean build(SimpleLookupTable deltas) {
  64     // initialize builder
  65     // walk this project's deltas, find changed source files
  66     // walk prereq projects' deltas, find changed class files & add affected
  67     // source files
  68     //   use the build state # to skip the deltas for certain prereq projects
  69     //   ignore changed zip/jar files since they caused a full build
  70     // compile the source files & acceptResult()
  71     // compare the produced class files against the existing ones on disk
  72     // recompile all dependent source files of any type with structural changes
  73     // or new/removed secondary type
  74     // keep a loop counter to abort & perform a full build
  75     if (PHPBuilder.DEBUG)
  76       System.out.println("INCREMENTAL build"); //$NON-NLS-1$
  77     try {
  78       resetCollections();
  79       notifier.subTask(Util.bind("build.analyzingDeltas")); //$NON-NLS-1$
  80       IResourceDelta sourceDelta = (IResourceDelta) deltas.get(javaBuilder.currentProject);
  81       if (sourceDelta != null) {
  82         sourceDelta.accept(new ParserVisitor(javaBuilder.currentProject, notifier.monitor));
  83
  84         if (!findSourceFiles(sourceDelta))
  85           return false;
  86       }
  87       notifier.updateProgressDelta(0.10f);
  88       //      Object[] keyTable = deltas.keyTable;
  89       //      Object[] valueTable = deltas.valueTable;
  90       //// final IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault()
  91       //// .getIndexManager(javaBuilder.currentProject);
  92       //      for (int i = 0, l = valueTable.length; i < l; i++) {
  93       //        IResourceDelta delta = (IResourceDelta) valueTable[i];
  94       //        if (delta != null) {
  95       //          IResource resource = delta.getResource();
  96       //          int resourceType = resource.getType();
  97       //          if (resourceType == IResource.FILE) {
  98       //            switch (delta.getKind()) {
  99       //              case IResourceDelta.ADDED :
 100       //                if ((resource.getFileExtension() != null)
 101       //                    && PHPFileUtil.isPHPFile((IFile) resource)) {
 102       //                  // update indexfile for the project:
 103       //// indexManager.addFile((IFile) resource);
 104       //                }
 105       //                break;
 106       //              case IResourceDelta.CHANGED :
 107       //                if ((resource.getFileExtension() != null)
 108       //                    && PHPFileUtil.isPHPFile((IFile) resource)) {
 109       //                  // update indexfile for the project:
 110       //// indexManager.changeFile((IFile) resource);
 111       //                }
 112       //                break;
 113       //              case IResourceDelta.REMOVED :
 114       //                if ((resource.getFileExtension() != null)
 115       //                    && PHPFileUtil.isPHPFile((IFile) resource)) {
 116       //                  // update indexfile for the project:
 117       //// indexManager.removeFile((IFile) resource);
 118       //                }
 119       //                break;
 120       //            }
 121       //          }
 122       //          // ClasspathLocation[] classFoldersAndJars = (ClasspathLocation[])
 123       //          // javaBuilder.binaryLocationsPerProject.get(keyTable[i]);
 124       //          // if (classFoldersAndJars != null)
 125       //          // if (!findAffectedSourceFiles(delta, classFoldersAndJars)) return
 126       //          // false;
 127       //        }
 128       //      }
 129       notifier.updateProgressDelta(0.10f);
 130       notifier.subTask(Util.bind("build.analyzingSources")); //$NON-NLS-1$
 131       addAffectedSourceFiles();
 132       notifier.updateProgressDelta(0.05f);
 133       this.compileLoop = 0;
 134       float increment = 0.40f;
 135       while (sourceFiles.size() > 0) { // added to in acceptResult
 136         if (++this.compileLoop > MaxCompileLoop) {
 137           if (PHPBuilder.DEBUG)
 138             System.out.println("ABORTING incremental build... exceeded loop count"); //$NON-NLS-1$
 139           return false;
 140         }
 141         notifier.checkCancel();
 142         SourceFile[] allSourceFiles = new SourceFile[sourceFiles.size()];
 143         sourceFiles.toArray(allSourceFiles);
 144         resetCollections();
 145         workQueue.addAll(allSourceFiles);
 146         notifier.setProgressPerCompilationUnit(increment / allSourceFiles.length);
 147         increment = increment / 2;
 148         compile(allSourceFiles);
 149         //        removeSecondaryTypes();
 150         addAffectedSourceFiles();
 151       }
 152       if (this.hasStructuralChanges && javaBuilder.javaProject.hasCycleMarker())
 153         javaBuilder.mustPropagateStructuralChanges();
 154     } catch (AbortIncrementalBuildException e) {
 155       // abort the incremental build and let the batch builder handle the
 156       // problem
 157       if (PHPBuilder.DEBUG)
 158         System.out.println("ABORTING incremental build... cannot find " + e.qualifiedTypeName + //$NON-NLS-1$
 159             ". Could have been renamed inside its existing source file."); //$NON-NLS-1$
 160       return false;
 161     } catch (CoreException e) {
 162       throw internalException(e);
 163     } finally {
 164       cleanUp();
 165     }
 166     return true;
 167   }
 168
 169   protected void addAffectedSourceFiles() {
 170     if (qualifiedStrings.isEmpty() && simpleStrings.isEmpty())
 171       return;
 172     // the qualifiedStrings are of the form 'p1/p2' & the simpleStrings are
 173     // just 'X'
 174     //    char[][][] qualifiedNames = ReferenceCollection
 175     //        .internQualifiedNames(qualifiedStrings);
 176     // if a well known qualified name was found then we can skip over these
 177     //    if (qualifiedNames.length < qualifiedStrings.size())
 178     //      qualifiedNames = null;
 179     //    char[][] simpleNames = ReferenceCollection.internSimpleNames(simpleStrings);
 180     // if a well known name was found then we can skip over these
 181     //    if (simpleNames.length < simpleStrings.size())
 182     //      simpleNames = null;
 183     //    Object[] keyTable = newState.references.keyTable;
 184     //    Object[] valueTable = newState.references.valueTable;
 185     //    next : for (int i = 0, l = valueTable.length; i < l; i++) {
 186     //      ReferenceCollection refs = (ReferenceCollection) valueTable[i];
 187     //      if (refs != null && refs.includes(qualifiedNames, simpleNames)) {
 188     //        String typeLocator = (String) keyTable[i];
 189     //        IFile file = javaBuilder.currentProject.getFile(typeLocator);
 190     //        if (file.exists()) {
 191     //          ClasspathMultiDirectory md = sourceLocations[0];
 192     //          if (sourceLocations.length > 1) {
 193     //            IPath sourceFileFullPath = file.getFullPath();
 194     //            for (int j = 0, m = sourceLocations.length; j < m; j++) {
 195     //              if (sourceLocations[j].sourceFolder.getFullPath().isPrefixOf(
 196     //                  sourceFileFullPath)) {
 197     //                md = sourceLocations[j];
 198     //                if (md.exclusionPatterns == null
 199     //                    || !ProjectPrefUtil.isExcluded(file, md.exclusionPatterns))
 200     //                  break;
 201     //              }
 202     //            }
 203     //          }
 204     //          SourceFile sourceFile = new SourceFile(file, md, encoding);
 205     //          if (sourceFiles.contains(sourceFile))
 206     //            continue next;
 207     //          if (compiledAllAtOnce && previousSourceFiles != null
 208     //              && previousSourceFiles.contains(sourceFile))
 209     //            continue next; // can skip previously compiled files since already
 210     //          // saw hierarchy related problems
 211     //          if (PHPBuilder.DEBUG)
 212     //            System.out.println(" adding affected source file " + typeLocator); //$NON-NLS-1$
 213     //          // // update indexfile for the project:
 214     //          sourceFiles.add(sourceFile);
 215     //        }
 216     //      }
 217     //    }
 218   }
 219
 220   protected void addDependentsOf(IPath path, boolean hasStructuralChanges) {
 221     if (hasStructuralChanges) {
 222       newState.tagAsStructurallyChanged();
 223       this.hasStructuralChanges = true;
 224     }
 225     // the qualifiedStrings are of the form 'p1/p2' & the simpleStrings are
 226     // just 'X'
 227     path = path.setDevice(null);
 228     String packageName = path.removeLastSegments(1).toString();
 229     if (!qualifiedStrings.contains(packageName))
 230       qualifiedStrings.add(packageName);
 231     String typeName = path.lastSegment();
 232     int memberIndex = typeName.indexOf('$');
 233     if (memberIndex > 0)
 234       typeName = typeName.substring(0, memberIndex);
 235     if (!simpleStrings.contains(typeName)) {
 236       if (PHPBuilder.DEBUG)
 237         System.out.println("  will look for dependents of " //$NON-NLS-1$
 238             + typeName + " in " + packageName); //$NON-NLS-1$
 239       simpleStrings.add(typeName);
 240     }
 241   }
 242
 243   protected void cleanUp() {
 244     super.cleanUp();
 245     this.sourceFiles = null;
 246     this.previousSourceFiles = null;
 247     this.qualifiedStrings = null;
 248     this.simpleStrings = null;
 249     this.secondaryTypesToRemove = null;
 250     this.hasStructuralChanges = false;
 251     this.compileLoop = 0;
 252   }
 253
 254   //protected boolean findAffectedSourceFiles(IResourceDelta delta,
 255   // ClasspathLocation[] classFoldersAndJars) {
 256   //    for (int i = 0, l = classFoldersAndJars.length; i < l; i++) {
 257   //            ClasspathLocation bLocation = classFoldersAndJars[i];
 258   //            // either a .class file folder or a zip/jar file
 259   //            if (bLocation != null) { // skip unchanged output folder
 260   //                    IPath p = bLocation.getProjectRelativePath();
 261   //                    if (p != null) {
 262   //                            IResourceDelta binaryDelta = delta.findMember(p);
 263   //                            if (binaryDelta != null) {
 264   //                                    if (bLocation instanceof ClasspathJar) {
 265   //                                            if (JavaBuilder.DEBUG)
 266   //                                                    System.out.println("ABORTING incremental build... found delta to jar/zip
 267   // file"); //$NON-NLS-1$
 268   //                                            return false; // do full build since jar file was changed (added/removed
 269   // were caught as classpath change)
 270   //                                    }
 271   //                                    if (binaryDelta.getKind() == IResourceDelta.ADDED || binaryDelta.getKind()
 272   // == IResourceDelta.REMOVED) {
 273   //                                            if (JavaBuilder.DEBUG)
 274   //                                                    System.out.println("ABORTING incremental build... found added/removed
 275   // binary folder"); //$NON-NLS-1$
 276   //                                            return false; // added/removed binary folder should not make it here
 277   // (classpath change), but handle anyways
 278   //                                    }
 279   //                                    int segmentCount = binaryDelta.getFullPath().segmentCount();
 280   //                                    IResourceDelta[] children = binaryDelta.getAffectedChildren(); // .class
 281   // files from class folder
 282   //                                    for (int j = 0, m = children.length; j < m; j++)
 283   //                                            findAffectedSourceFiles(children[j], segmentCount);
 284   //                                    notifier.checkCancel();
 285   //                            }
 286   //                    }
 287   //            }
 288   //    }
 289   //    return true;
 290   //}
 291   protected void findAffectedSourceFiles(IResourceDelta binaryDelta, int segmentCount) {
 292     // When a package becomes a type or vice versa, expect 2 deltas,
 293     // one on the folder & one on the class file
 294     IResource resource = binaryDelta.getResource();
 295     switch (resource.getType()) {
 296     case IResource.FOLDER:
 297       switch (binaryDelta.getKind()) {
 298       case IResourceDelta.ADDED:
 299       case IResourceDelta.REMOVED:
 300         IPath packagePath = resource.getFullPath().removeFirstSegments(segmentCount);
 301         String packageName = packagePath.toString();
 302         if (binaryDelta.getKind() == IResourceDelta.ADDED) {
 303           // see if any known source file is from the same package...
 304           // classpath already includes new package
 305           //              if (!newState.isKnownPackage(packageName)) {
 306           //                if (PHPBuilder.DEBUG)
 307           //                  System.out.println("Found added package " + packageName); //$NON-NLS-1$
 308           //                addDependentsOf(packagePath, false);
 309           //                return;
 310           //              }
 311           if (PHPBuilder.DEBUG)
 312             System.out.println("Skipped dependents of added package " + packageName); //$NON-NLS-1$
 313         } else {
 314           // see if the package still exists on the classpath
 315           //                                            if (!nameEnvironment.isPackage(packageName)) {
 316           //                                                    if (JavaBuilder.DEBUG)
 317           //                                                            System.out.println("Found removed package " + packageName);
 318           // //$NON-NLS-1$
 319           //                                                    addDependentsOf(packagePath, false);
 320           //                                                    return;
 321           //                                            }
 322           if (PHPBuilder.DEBUG)
 323             System.out.println("Skipped dependents of removed package " + packageName); //$NON-NLS-1$
 324         }
 325       // fall thru & traverse the sub-packages and .class files
 326       case IResourceDelta.CHANGED:
 327         IResourceDelta[] children = binaryDelta.getAffectedChildren();
 328         for (int i = 0, l = children.length; i < l; i++)
 329           findAffectedSourceFiles(children[i], segmentCount);
 330       }
 331       return;
 332     case IResource.FILE:
 333     //                  if (ProjectPrefUtil.isClassFileName(resource.getName())) {
 334     //                          IPath typePath =
 335     // resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
 336     //                          switch (binaryDelta.getKind()) {
 337     //                                  case IResourceDelta.ADDED :
 338     //                                  case IResourceDelta.REMOVED :
 339     //                                          if (JavaBuilder.DEBUG)
 340     //                                                  System.out.println("Found added/removed class file " + typePath);
 341     // //$NON-NLS-1$
 342     //                                          addDependentsOf(typePath, false);
 343     //                                          return;
 344     //                                  case IResourceDelta.CHANGED :
 345     //                                          if ((binaryDelta.getFlags() & IResourceDelta.CONTENT) == 0)
 346     //                                                  return; // skip it since it really isn't changed
 347     //                                          if (JavaBuilder.DEBUG)
 348     //                                                  System.out.println("Found changed class file " + typePath);
 349     // //$NON-NLS-1$
 350     //                                          addDependentsOf(typePath, false);
 351     //                          }
 352     //                          return;
 353     //                  }
 354     }
 355   }
 356
 357   protected boolean findSourceFiles(IResourceDelta delta) throws CoreException {
 358     for (int i = 0, l = sourceLocations.length; i < l; i++) {
 359       ClasspathMultiDirectory md = sourceLocations[i];
 360       if (md.sourceFolder.equals(javaBuilder.currentProject)) {
 361         // skip nested source & output folders when the project is a source
 362         // folder
 363         int segmentCount = delta.getFullPath().segmentCount();
 364         IResourceDelta[] children = delta.getAffectedChildren();
 365         for (int j = 0, m = children.length; j < m; j++)
 366           if (!isExcludedFromProject(children[j].getFullPath()))
 367             findSourceFiles(children[j], md, segmentCount);
 368       } else {
 369         IResourceDelta sourceDelta = delta.findMember(md.sourceFolder.getProjectRelativePath());
 370         if (sourceDelta != null) {
 371           if (sourceDelta.getKind() == IResourceDelta.REMOVED) {
 372             if (PHPBuilder.DEBUG)
 373               System.out.println("ABORTING incremental build... found removed source folder"); //$NON-NLS-1$
 374             return false; // removed source folder should not make it here, but
 375             // handle anyways (ADDED is supported)
 376           }
 377           int segmentCount = sourceDelta.getFullPath().segmentCount();
 378           IResourceDelta[] children = sourceDelta.getAffectedChildren();
 379           for (int j = 0, m = children.length; j < m; j++)
 380             findSourceFiles(children[j], md, segmentCount);
 381         }
 382       }
 383       notifier.checkCancel();
 384     }
 385     return true;
 386   }
 387
 388   protected void findSourceFiles(IResourceDelta sourceDelta, ClasspathMultiDirectory md, int segmentCount) throws CoreException {
 389     // When a package becomes a type or vice versa, expect 2 deltas,
 390     // one on the folder & one on the source file
 391     IResource resource = sourceDelta.getResource();
 392     if (md.exclusionPatterns != null && Util.isExcluded(resource, md.exclusionPatterns))
 393       return;
 394     switch (resource.getType()) {
 395     case IResource.FOLDER:
 396       switch (sourceDelta.getKind()) {
 397       case IResourceDelta.ADDED:
 398         IPath addedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
 399         // createFolder(addedPackagePath, md.binaryFolder); // ensure package
 400         // exists in the
 401         // output folder
 402         // add dependents even when the package thinks it exists to be on
 403         // the safe side
 404         if (PHPBuilder.DEBUG)
 405           System.out.println("Found added package " + addedPackagePath); //$NON-NLS-1$
 406         addDependentsOf(addedPackagePath, true);
 407       // fall thru & collect all the source files
 408       case IResourceDelta.CHANGED:
 409         IResourceDelta[] children = sourceDelta.getAffectedChildren();
 410         for (int i = 0, l = children.length; i < l; i++)
 411           findSourceFiles(children[i], md, segmentCount);
 412         return;
 413       case IResourceDelta.REMOVED:
 414         IPath removedPackagePath = resource.getFullPath().removeFirstSegments(segmentCount);
 415         if (sourceLocations.length > 1) {
 416           for (int i = 0, l = sourceLocations.length; i < l; i++) {
 417             if (sourceLocations[i].sourceFolder.getFolder(removedPackagePath).exists()) {
 418               // only a package fragment was removed, same as removing
 419               // multiple source files
 420               //                  createFolder(removedPackagePath, md.binaryFolder); // ensure
 421               // package
 422               // exists
 423               // in the
 424               // output
 425               // folder
 426               IResourceDelta[] removedChildren = sourceDelta.getAffectedChildren();
 427               for (int j = 0, m = removedChildren.length; j < m; j++)
 428                 findSourceFiles(removedChildren[j], md, segmentCount);
 429               return;
 430             }
 431           }
 432         }
 433         //            IFolder removedPackageFolder = md.binaryFolder
 434         //                .getFolder(removedPackagePath);
 435         //            if (removedPackageFolder.exists())
 436         //              removedPackageFolder.delete(IResource.FORCE, null);
 437         // add dependents even when the package thinks it does not exist to
 438         // be on the safe side
 439         if (PHPBuilder.DEBUG)
 440           System.out.println("Found removed package " + removedPackagePath); //$NON-NLS-1$
 441         addDependentsOf(removedPackagePath, true);
 442         newState.removePackage(sourceDelta);
 443       }
 444       return;
 445     case IResource.FILE:
 446       String resourceName = resource.getName();
 447       if (net.sourceforge.phpdt.internal.compiler.util.Util.isJavaFileName(resourceName)) {
 448         IPath typePath = resource.getFullPath().removeFirstSegments(segmentCount).removeFileExtension();
 449         String typeLocator = resource.getProjectRelativePath().toString();
 450         switch (sourceDelta.getKind()) {
 451         case IResourceDelta.ADDED:
 452           if (PHPBuilder.DEBUG)
 453             System.out.println("Compile this added source file " + typeLocator); //$NON-NLS-1$
 454           sourceFiles.add(new SourceFile((IFile) resource, md, encoding));
 455           String typeName = typePath.toString();
 456           //              if (!newState.isDuplicateLocator(typeName, typeLocator)) { // adding
 457           //                // dependents
 458           //                // results
 459           //                // in
 460           //                // 2
 461           //                // duplicate
 462           //                // errors
 463           //                if (PHPBuilder.DEBUG)
 464           //                  System.out.println("Found added source file " + typeName); //$NON-NLS-1$
 465           //                addDependentsOf(typePath, true);
 466           //              }
 467           return;
 468         case IResourceDelta.REMOVED:
 469           //              char[][] definedTypeNames = newState
 470           //                  .getDefinedTypeNamesFor(typeLocator);
 471           //              if (definedTypeNames == null) { // defined a single type matching
 472           //                // typePath
 473           //                removeClassFile(typePath, md.binaryFolder);
 474           //                if ((sourceDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
 475           //                  // remove problems and tasks for a compilation unit that is
 476           //                  // being moved (to another package or renamed)
 477           //                  // if the target file is a compilation unit, the new cu will
 478           //                  // be recompiled
 479           //                  // if the target file is a non-java resource, then markers
 480           //                  // are removed
 481           //                  // see bug 2857
 482           //                  IResource movedFile = javaBuilder.workspaceRoot
 483           //                      .getFile(sourceDelta.getMovedToPath());
 484           //                  PHPBuilder.removeProblemsAndTasksFor(movedFile);
 485           //                }
 486           //              } else {
 487           if (PHPBuilder.DEBUG)
 488             System.out.println("Found removed source file " + typePath.toString()); //$NON-NLS-1$
 489           addDependentsOf(typePath, true); // add dependents of the
 490           // source file since it may be
 491           // involved in a name
 492           // collision
 493           //                if (definedTypeNames.length > 0) { // skip it if it failed to
 494           //                  // successfully define a
 495           //                  // type
 496           //                  IPath packagePath = typePath.removeLastSegments(1);
 497           //                  for (int i = 0, l = definedTypeNames.length; i < l; i++)
 498           //                    removeClassFile(packagePath.append(new String(
 499           //                        definedTypeNames[i])), md.binaryFolder);
 500           //                }
 501           //              }
 502           //              newState.removeLocator(typeLocator);
 503           return;
 504         case IResourceDelta.CHANGED:
 505           if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0)
 506             return; // skip it since it really isn't changed
 507           if (PHPBuilder.DEBUG)
 508             System.out.println("Compile this changed source file " + typeLocator); //$NON-NLS-1$
 509           sourceFiles.add(new SourceFile((IFile) resource, md, encoding));
 510         }
 511         return;
 512         //                      } else if (ProjectPrefUtil.isClassFileName(resourceName)) {
 513         //                              return; // skip class files
 514       } else if (md.hasIndependentOutputFolder) {
 515         if (javaBuilder.filterExtraResource(resource))
 516           return;
 517         // copy all other resource deltas to the output folder
 518         IPath resourcePath = resource.getFullPath().removeFirstSegments(segmentCount);
 519         //          IResource outputFile = md.binaryFolder.getFile(resourcePath);
 520         switch (sourceDelta.getKind()) {
 521         case IResourceDelta.ADDED:
 522           //              if (outputFile.exists()) {
 523           //                if (PHPBuilder.DEBUG)
 524           //                  System.out.println("Deleting existing file " + resourcePath); //$NON-NLS-1$
 525           //                outputFile.delete(IResource.FORCE, null);
 526           //              }
 527           if (PHPBuilder.DEBUG)
 528             System.out.println("Copying added file " + resourcePath); //$NON-NLS-1$
 529             //              createFolder(resourcePath.removeLastSegments(1), md.binaryFolder); // ensure
 530           // package
 531           // exists
 532           // in
 533           // the
 534           // output
 535           // folder
 536           //              resource.copy(outputFile.getFullPath(), IResource.FORCE, null);
 537           //              outputFile.setDerived(true);
 538           return;
 539         case IResourceDelta.REMOVED:
 540           //              if (outputFile.exists()) {
 541           //                if (PHPBuilder.DEBUG)
 542           //                  System.out.println("Deleting removed file " + resourcePath); //$NON-NLS-1$
 543           //                outputFile.delete(IResource.FORCE, null);
 544           //              }
 545           return;
 546         case IResourceDelta.CHANGED:
 547           if ((sourceDelta.getFlags() & IResourceDelta.CONTENT) == 0)
 548             return; // skip it since it really isn't changed
 549             //              if (outputFile.exists()) {
 550             //                if (PHPBuilder.DEBUG)
 551             //                  System.out.println("Deleting existing file " + resourcePath); //$NON-NLS-1$
 552             //                outputFile.delete(IResource.FORCE, null);
 553             //              }
 554           if (PHPBuilder.DEBUG)
 555             System.out.println("Copying changed file " + resourcePath); //$NON-NLS-1$
 556         //  createFolder(resourcePath.removeLastSegments(1), md.binaryFolder); // ensure
 557         // package
 558         // exists
 559         // in
 560         // the
 561         // output
 562         // folder
 563         //              resource.copy(outputFile.getFullPath(), IResource.FORCE, null);
 564         //              outputFile.setDerived(true);
 565         }
 566         return;
 567       }
 568     }
 569   }
 570
 571   protected void finishedWith(String sourceLocator, CompilationResult result, char[] mainTypeName, ArrayList definedTypeNames,
 572       ArrayList duplicateTypeNames) throws CoreException {
 573     //    char[][] previousTypeNames = newState.getDefinedTypeNamesFor(sourceLocator);
 574     //    if (previousTypeNames == null)
 575     //      previousTypeNames = new char[][]{mainTypeName};
 576     //    IPath packagePath = null;
 577     //    next : for (int i = 0, l = previousTypeNames.length; i < l; i++) {
 578     //      char[] previous = previousTypeNames[i];
 579     //      for (int j = 0, m = definedTypeNames.size(); j < m; j++)
 580     //        if (CharOperation.equals(previous, (char[]) definedTypeNames.get(j)))
 581     //          continue next;
 582     //      SourceFile sourceFile = (SourceFile) result.getCompilationUnit();
 583     //      if (packagePath == null) {
 584     //        int count = sourceFile.sourceLocation.sourceFolder.getFullPath()
 585     //            .segmentCount();
 586     //        packagePath = sourceFile.resource.getFullPath().removeFirstSegments(
 587     //            count).removeLastSegments(1);
 588     //      }
 589     //      if (secondaryTypesToRemove == null)
 590     //        this.secondaryTypesToRemove = new SimpleLookupTable();
 591     //      ArrayList types = (ArrayList) secondaryTypesToRemove
 592     //          .get(sourceFile.sourceLocation.binaryFolder);
 593     //      if (types == null)
 594     //        types = new ArrayList(definedTypeNames.size());
 595     //      types.add(packagePath.append(new String(previous)));
 596     //      secondaryTypesToRemove.put(sourceFile.sourceLocation.binaryFolder, types);
 597     //    }
 598     //  super.finishedWith(sourceLocator, result, mainTypeName,
 599     // definedTypeNames, duplicateTypeNames);
 600   }
 601
 602   //  protected void removeClassFile(IPath typePath, IContainer outputFolder)
 603   //      throws CoreException {
 604   //    if (typePath.lastSegment().indexOf('$') == -1) { // is not a nested type
 605   //      newState.removeQualifiedTypeName(typePath.toString());
 606   //      // add dependents even when the type thinks it does not exist to be on
 607   //      // the safe side
 608   //      if (PHPBuilder.DEBUG)
 609   //        System.out.println("Found removed type " + typePath); //$NON-NLS-1$
 610   //      addDependentsOf(typePath, true); // when member types are removed, their
 611   //      // enclosing type is structurally
 612   //      // changed
 613   //    }
 614   //    IFile classFile = outputFolder.getFile(typePath
 615   //        .addFileExtension(PHPBuilder.CLASS_EXTENSION));
 616   //    if (classFile.exists()) {
 617   //      if (PHPBuilder.DEBUG)
 618   //        System.out.println("Deleting class file of removed type " + typePath); //$NON-NLS-1$
 619   //      classFile.delete(IResource.FORCE, null);
 620   //    }
 621   //  }
 622   //  protected void removeSecondaryTypes() throws CoreException {
 623   //    if (secondaryTypesToRemove != null) { // delayed deleting secondary types
 624   //      // until the end of the compile loop
 625   //      Object[] keyTable = secondaryTypesToRemove.keyTable;
 626   //      Object[] valueTable = secondaryTypesToRemove.valueTable;
 627   //      for (int i = 0, l = keyTable.length; i < l; i++) {
 628   //        IContainer outputFolder = (IContainer) keyTable[i];
 629   //        if (outputFolder != null) {
 630   //          ArrayList paths = (ArrayList) valueTable[i];
 631   //          for (int j = 0, m = paths.size(); j < m; j++)
 632   //            removeClassFile((IPath) paths.get(j), outputFolder);
 633   //        }
 634   //      }
 635   //      this.secondaryTypesToRemove = null;
 636   //      if (previousSourceFiles != null && previousSourceFiles.size() > 1)
 637   //        this.previousSourceFiles = null; // cannot optimize recompile case when
 638   //      // a secondary type is deleted
 639   //    }
 640   //  }
 641   protected void resetCollections() {
 642     previousSourceFiles = sourceFiles.isEmpty() ? null : (ArrayList) sourceFiles.clone();
 643     sourceFiles.clear();
 644     qualifiedStrings.clear();
 645     simpleStrings.clear();
 646     workQueue.clear();
 647   }
 648
 649   protected void updateProblemsFor(SourceFile sourceFile, CompilationResult result) throws CoreException {
 650     IMarker[] markers = PHPBuilder.getProblemsFor(sourceFile.resource);
 651     IProblem[] problems = result.getProblems();
 652     if (problems == null && markers.length == 0)
 653       return;
 654
 655     //  axelcl start insert - calculate line numbers
 656     if (problems != null) {
 657       for (int i = 0; i < problems.length; i++) {
 658         if (problems[i].getSourceLineNumber() == 1) {
 659           problems[i].setSourceLineNumber(ProblemHandler.searchLineNumber(result.lineSeparatorPositions, problems[i]
 660               .getSourceStart()));
 661         }
 662       }
 663     }
 664     //axelcl end insert
 665
 666     notifier.updateProblemCounts(markers, problems);
 667     PHPBuilder.removeProblemsFor(sourceFile.resource);
 668     storeProblemsFor(sourceFile, problems);
 669   }
 670
 671   protected void updateTasksFor(SourceFile sourceFile, CompilationResult result) throws CoreException {
 672     IMarker[] markers = PHPBuilder.getTasksFor(sourceFile.resource);
 673     IProblem[] tasks = result.getTasks();
 674     if (tasks == null && markers.length == 0)
 675       return;
 676     PHPBuilder.removeTasksFor(sourceFile.resource);
 677     storeTasksFor(sourceFile, tasks);
 678   }
 679
 680   //protected void writeClassFileBytes(byte[] bytes, IFile file, String
 681   // qualifiedFileName, boolean isSecondaryType) throws CoreException {
 682   //    // Before writing out the class file, compare it to the previous file
 683   //    // If structural changes occured then add dependent source files
 684   //    if (file.exists()) {
 685   //            if (writeClassFileCheck(file, qualifiedFileName, bytes)) {
 686   //                    if (JavaBuilder.DEBUG)
 687   //                            System.out.println("Writing changed class file " +
 688   // file.getName());//$NON-NLS-1$
 689   //                    file.setContents(new ByteArrayInputStream(bytes), true, false, null);
 690   //                    if (!file.isDerived())
 691   //                            file.setDerived(true);
 692   //            } else if (JavaBuilder.DEBUG) {
 693   //                    System.out.println("Skipped over unchanged class file " +
 694   // file.getName());//$NON-NLS-1$
 695   //            }
 696   //    } else {
 697   //            if (isSecondaryType)
 698   //                    addDependentsOf(new Path(qualifiedFileName), true); // new secondary type
 699   //            if (JavaBuilder.DEBUG)
 700   //                    System.out.println("Writing new class file " +
 701   // file.getName());//$NON-NLS-1$
 702   //            file.create(new ByteArrayInputStream(bytes), IResource.FORCE, null);
 703   //            file.setDerived(true);
 704   //    }
 705   //}
 706   //protected boolean writeClassFileCheck(IFile file, String fileName, byte[]
 707   // newBytes) throws CoreException {
 708   //    try {
 709   //            byte[] oldBytes = ProjectPrefUtil.getResourceContentsAsByteArray(file);
 710   //            if (this.compileLoop > 1) { // only optimize files which were recompiled
 711   // during the dependent pass, see 33990
 712   //                    notEqual : if (newBytes.length == oldBytes.length) {
 713   //                            for (int i = newBytes.length; --i >= 0;)
 714   //                                    if (newBytes[i] != oldBytes[i]) break notEqual;
 715   //                            return false; // bytes are identical so skip them
 716   //                    }
 717   //            }
 718   //            IPath location = file.getLocation();
 719   //            if (location == null) return false; // unable to determine location of
 720   // this class file
 721   //            ClassFileReader reader = new ClassFileReader(oldBytes,
 722   // location.toString().toCharArray());
 723   //            // ignore local types since they're only visible inside a single method
 724   //            if (!(reader.isLocal() || reader.isAnonymous()) &&
 725   // reader.hasStructuralChanges(newBytes)) {
 726   //                    if (JavaBuilder.DEBUG)
 727   //                            System.out.println("Type has structural changes " + fileName);
 728   // //$NON-NLS-1$
 729   //                    addDependentsOf(new Path(fileName), true);
 730   //            }
 731   //    } catch (ClassFormatException e) {
 732   //            addDependentsOf(new Path(fileName), true);
 733   //    }
 734   //    return true;
 735   //}
 736   public String toString() {
 737     return "incremental image builder for:\n\tnew state: " + newState; //$NON-NLS-1$
 738   }
 739   /*
 740    * Debug helper
 741    *
 742    * static void dump(IResourceDelta delta) { StringBuffer buffer = new StringBuffer(); IPath path = delta.getFullPath(); for (int i =
 743    * path.segmentCount(); --i > 0;) buffer.append(" "); switch (delta.getKind()) { case IResourceDelta.ADDED: buffer.append('+');
 744    * break; case IResourceDelta.REMOVED: buffer.append('-'); break; case IResourceDelta.CHANGED: '); break; case
 745    * IResourceDelta.NO_CHANGE: buffer.append('='); break; default: buffer.append('?'); break; } buffer.append(path);
 746    * System.out.println(buffer.toString()); IResourceDelta[] children = delta.getAffectedChildren(); for (int i = 0, l =
 747    * children.length; i < l; i++) dump(children[i]); }
 748    */
 749 }