protected void compile(
SourceFile[] units, SourceFile[] additionalUnits, boolean compilingFirstGroup) {
if (compilingFirstGroup && additionalUnits != null) {
// add any source file from additionalUnits to units if it defines secondary types
// otherwise its possible during testing with MAX_AT_ONCE == 1 that a secondary type
// can cause an infinite loop as it alternates between not found and defined, see bug 146324
ArrayList extras = null;
for (int i = 0, l = additionalUnits.length; i < l; i++) {
SourceFile unit = additionalUnits[i];
if (unit != null && this.newState.getDefinedTypeNamesFor(unit.typeLocator()) != null) {
if (JavaBuilder.DEBUG)
System.out.println(
"About to compile file with secondary types " + unit.typeLocator()); // $NON-NLS-1$
if (extras == null) extras = new ArrayList(3);
extras.add(unit);
}
}
if (extras != null) {
int oldLength = units.length;
int toAdd = extras.size();
System.arraycopy(units, 0, units = new SourceFile[oldLength + toAdd], 0, oldLength);
for (int i = 0; i < toAdd; i++) units[oldLength++] = (SourceFile) extras.get(i);
}
}
super.compile(units, additionalUnits, compilingFirstGroup);
}
protected void deleteGeneratedFiles(IFile[] deletedGeneratedFiles) {
// delete generated files and recompile any affected source files
try {
for (int j = deletedGeneratedFiles.length; --j >= 0; ) {
IFile deletedFile = deletedGeneratedFiles[j];
if (deletedFile.exists())
continue; // only delete .class files for source files that were actually deleted
SourceFile sourceFile = findSourceFile(deletedFile, false);
String typeLocator = sourceFile.typeLocator();
int mdSegmentCount = sourceFile.sourceLocation.sourceFolder.getFullPath().segmentCount();
IPath typePath =
sourceFile
.resource
.getFullPath()
.removeFirstSegments(mdSegmentCount)
.removeFileExtension();
addDependentsOf(typePath, true); // add dependents of the source file since its now deleted
this.previousSourceFiles =
null; // existing source files did not see it as deleted since they were compiled before
// it was
char[][] definedTypeNames = this.newState.getDefinedTypeNamesFor(typeLocator);
if (definedTypeNames == null) { // defined a single type matching typePath
removeClassFile(typePath, sourceFile.sourceLocation.binaryFolder);
} else {
if (definedTypeNames.length > 0) { // skip it if it failed to successfully define a type
IPath packagePath = typePath.removeLastSegments(1);
for (int d = 0, l = definedTypeNames.length; d < l; d++)
removeClassFile(
packagePath.append(new String(definedTypeNames[d])),
sourceFile.sourceLocation.binaryFolder);
}
}
this.newState.removeLocator(typeLocator);
}
} catch (CoreException e) {
// must continue with compile loop so just log the CoreException
Util.log(
e,
"JavaBuilder logging CompilationParticipant's CoreException to help debugging"); //$NON-NLS-1$
}
}
/**
* @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
}
}
}