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
}
}
}