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package lombok.netbeans.agent;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.lang.model.element.Element;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.Tree;
import com.sun.source.util.SourcePositions;
import com.sun.source.util.TaskListener;
import com.sun.source.util.Trees;
import com.sun.tools.javac.api.JavacTaskImpl;
import com.sun.tools.javac.util.Context;
public class PatchFixes {
//Contributed by Jan Lahoda (jlahoda@netbeans.org)
//Turned into a patch script by rzwitserloot.
//see http://code.google.com/p/projectlombok/issues/detail?id=20#c3
public static void fixContentOnSetTaskListener(JavacTaskImpl that, TaskListener taskListener) throws Throwable {
Context context = that.getContext();
if (context.get(TaskListener.class) != null)
context.put(TaskListener.class, (TaskListener)null);
if (taskListener != null) {
try {
Method m = JavacTaskImpl.class.getDeclaredMethod("wrap", TaskListener.class);
try {
m.setAccessible(true);
} catch (SecurityException ignore) {}
TaskListener w = (TaskListener)m.invoke(that, taskListener);
context.put(TaskListener.class, w);
} catch (InvocationTargetException e) {
throw e.getCause();
}
}
}
//Contributed by Jan Lahoda (jlahoda@netbeans.org)
//Turned into a patch script by rzwitserloot.
//see http://code.google.com/p/projectlombok/issues/detail?id=20#c3
public static Tree returnNullForGeneratedNode(Trees trees, Element element, Object o) throws Throwable {
try {
Tree tree = trees.getTree(element);
if (tree == null) return null;
CompilationUnitTree unit = (CompilationUnitTree) o.getClass().getMethod("getCompilationUnit").invoke(o);
int startPos = (int) trees.getSourcePositions().getStartPosition(unit, tree);
if (startPos == -1) return null;
return tree;
} catch (InvocationTargetException e) {
throw e.getCause();
}
}
//Contributed by Jan Lahoda (jlahoda@netbeans.org)
//Turned into a patch script by rzwitserloot.
//see http://code.google.com/p/projectlombok/issues/detail?id=20#c3
public static long returnMinus1ForGeneratedNode(SourcePositions that, CompilationUnitTree cu, Tree tree) {
int start = (int) that.getStartPosition(cu, tree);
if (start < 0) return -1;
return that.getEndPosition(cu, tree);
}
//Contributed by Jan Lahoda (jlahoda@netbeans.org)
//Turned into a patch script by rzwitserloot.
//see http://code.google.com/p/projectlombok/issues/detail?id=20#c3
public static void addTaskListenerWhenCallingJavac() {
TaskListenerProvider p = /* Lookup.getDefault().lookup(TLP.class) */;
if (p != null) {
TaskListener l = p.create(context, cpInfo);
task.setTaskListener(l);
}
return;
}
}
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