protected void addDependentsOf( IPath path, boolean isStructuralChange, StringSet qualifiedNames, StringSet simpleNames, StringSet rootNames) { path = path.setDevice(null); if (isStructuralChange) { String last = path.lastSegment(); if (last.length() == TypeConstants.PACKAGE_INFO_NAME.length) if (CharOperation.equals(last.toCharArray(), TypeConstants.PACKAGE_INFO_NAME)) { path = path.removeLastSegments( 1); // the package-info file has changed so blame the package itself /* https://bugs.eclipse.org/bugs/show_bug.cgi?id=323785, in the case of default package, there is no need to blame the package itself as there can be no annotations or documentation comment tags in the package-info file that can influence the rest of the package. Just bail out so we don't touch null objects below. */ if (path.isEmpty()) return; } } if (isStructuralChange && !this.hasStructuralChanges) { this.newState.tagAsStructurallyChanged(); this.hasStructuralChanges = true; } // the qualifiedStrings are of the form 'p1/p2' & the simpleStrings are just 'X' rootNames.add(path.segment(0)); String packageName = path.removeLastSegments(1).toString(); boolean wasNew = qualifiedNames.add(packageName); String typeName = path.lastSegment(); int memberIndex = typeName.indexOf('$'); if (memberIndex > 0) typeName = typeName.substring(0, memberIndex); wasNew = simpleNames.add(typeName) | wasNew; if (wasNew && JavaBuilder.DEBUG) System.out.println( " will look for dependents of " //$NON-NLS-1$ + typeName + " in " + packageName); //$NON-NLS-1$ }
protected void removeClassFile(IPath typePath, IContainer outputFolder) throws CoreException { if (typePath.lastSegment().indexOf('$') == -1) { // is not a nested type this.newState.removeQualifiedTypeName(typePath.toString()); // add dependents even when the type thinks it does not exist to be on the safe side if (JavaBuilder.DEBUG) System.out.println("Found removed type " + typePath); // $NON-NLS-1$ addDependentsOf( typePath, true); // when member types are removed, their enclosing type is structurally changed } IFile classFile = outputFolder.getFile(typePath.addFileExtension(SuffixConstants.EXTENSION_class)); if (classFile.exists()) { if (JavaBuilder.DEBUG) System.out.println("Deleting class file of removed type " + typePath); // $NON-NLS-1$ classFile.delete(IResource.FORCE, null); } }
/* Return the list of projects for which it requires a resource delta. This builder's project * is implicitly included and need not be specified. Builders must re-specify the list * of interesting projects every time they are run as this is not carried forward * beyond the next build. Missing projects should be specified but will be ignored until * they are added to the workspace. */ private IProject[] getRequiredProjects(boolean includeBinaryPrerequisites) { if (this.javaProject == null || this.workspaceRoot == null) return new IProject[0]; ArrayList projects = new ArrayList(); ExternalFoldersManager externalFoldersManager = JavaModelManager.getExternalManager(); try { IClasspathEntry[] entries = this.javaProject.getExpandedClasspath(); for (int i = 0, l = entries.length; i < l; i++) { IClasspathEntry entry = entries[i]; IPath path = entry.getPath(); IProject p = null; switch (entry.getEntryKind()) { case IClasspathEntry.CPE_PROJECT: p = this.workspaceRoot.getProject( path.lastSegment()); // missing projects are considered too if (((ClasspathEntry) entry).isOptional() && !JavaProject.hasJavaNature(p)) // except if entry is optional p = null; break; case IClasspathEntry.CPE_LIBRARY: if (includeBinaryPrerequisites && path.segmentCount() > 0) { // some binary resources on the class path can come from projects that are not // included in the project references IResource resource = this.workspaceRoot.findMember(path.segment(0)); if (resource instanceof IProject) { p = (IProject) resource; } else { resource = externalFoldersManager.getFolder(path); if (resource != null) p = resource.getProject(); } } } if (p != null && !projects.contains(p)) projects.add(p); } } catch (JavaModelException e) { return new IProject[0]; } IProject[] result = new IProject[projects.size()]; projects.toArray(result); return result; }
/** * @see * org.eclipse.jdt.internal.core.builder.AbstractImageBuilder#writeClassFileContents(org.eclipse.jdt.internal.compiler.ClassFile, * org.eclipse.core.resources.IFile, java.lang.String, boolean, * org.eclipse.jdt.internal.core.builder.SourceFile) */ protected void writeClassFileContents( ClassFile classfile, IFile file, String qualifiedFileName, boolean isTopLevelType, SourceFile compilationUnit) throws CoreException { // Before writing out the class file, compare it to the previous file // If structural changes occurred then add dependent source files byte[] bytes = classfile.getBytes(); if (file.exists()) { if (writeClassFileCheck(file, qualifiedFileName, bytes) || compilationUnit.updateClassFile) { // see 46093 if (JavaBuilder.DEBUG) System.out.println("Writing changed class file " + file.getName()); // $NON-NLS-1$ if (!file.isDerived()) file.setDerived(true, null); file.setContents(new ByteArrayInputStream(bytes), true, false, null); } else if (JavaBuilder.DEBUG) { System.out.println("Skipped over unchanged class file " + file.getName()); // $NON-NLS-1$ } } else { if (isTopLevelType) addDependentsOf(new Path(qualifiedFileName), true); // new type if (JavaBuilder.DEBUG) System.out.println("Writing new class file " + file.getName()); // $NON-NLS-1$ try { file.create(new ByteArrayInputStream(bytes), IResource.FORCE | IResource.DERIVED, null); } catch (CoreException e) { if (e.getStatus().getCode() == IResourceStatus.CASE_VARIANT_EXISTS) { IStatus status = e.getStatus(); if (status instanceof IResourceStatus) { IPath oldFilePath = ((IResourceStatus) status).getPath(); char[] oldTypeName = oldFilePath.removeFileExtension().lastSegment().toCharArray(); char[][] previousTypeNames = this.newState.getDefinedTypeNamesFor(compilationUnit.typeLocator()); boolean fromSameFile = false; if (previousTypeNames == null) { fromSameFile = CharOperation.equals(compilationUnit.getMainTypeName(), oldTypeName); } else { for (int i = 0, l = previousTypeNames.length; i < l; i++) { if (CharOperation.equals(previousTypeNames[i], oldTypeName)) { fromSameFile = true; break; } } } if (fromSameFile) { // file is defined by the same compilationUnit, but won't be deleted until later so do // it now IFile collision = file.getParent().getFile(new Path(oldFilePath.lastSegment())); collision.delete(true, false, null); boolean success = false; try { file.create( new ByteArrayInputStream(bytes), IResource.FORCE | IResource.DERIVED, null); success = true; } catch (CoreException ignored) { // ignore the second exception } if (success) return; } } // catch the case that a type has been renamed and collides on disk with an // as-yet-to-be-deleted type throw new AbortCompilation(true, new AbortIncrementalBuildException(qualifiedFileName)); } throw e; // rethrow } } }