work in progress.

4 files changed, 204 insertions, 0 deletions

diff --git a/src/netbeansAgent/lombok/netbeans/agent/NetbeansPatcher.java b/src/netbeansAgent/lombok/netbeans/agent/NetbeansPatcher.java
new file mode 100644
index 00000000..4210aa87
--- /dev/null
+++ b/src/netbeansAgent/lombok/netbeans/agent/NetbeansPatcher.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.netbeans.agent;
+
+import java.lang.instrument.Instrumentation;
+
+import lombok.patcher.Hook;
+import lombok.patcher.MethodTarget;
+import lombok.patcher.ScriptManager;
+import lombok.patcher.StackRequest;
+import lombok.patcher.equinox.EquinoxClassLoader;
+import lombok.patcher.scripts.ScriptBuilder;
+
+public class NetbeansPatcher {
+	private NetbeansPatcher() {}
+	
+	public static void agentmain(@SuppressWarnings("unused") String agentArgs, Instrumentation instrumentation) throws Exception {
+		registerPatchScripts(instrumentation, true);
+	}
+	
+	public static void premain(@SuppressWarnings("unused") String agentArgs, Instrumentation instrumentation) throws Exception {
+		registerPatchScripts(instrumentation, false);
+	}
+	
+	private static void registerPatchScripts(Instrumentation instrumentation, boolean reloadExistingClasses) {
+		ScriptManager sm = new ScriptManager();
+		sm.registerTransformer(instrumentation);
+		EquinoxClassLoader.addPrefix("lombok.");
+		EquinoxClassLoader.registerScripts(sm);
+		
+		patchNetbeansJavac(sm);
+		patchNetbeansMissingPositionAwareness(sm);
+		
+		if (reloadExistingClasses) sm.reloadClasses(instrumentation);
+	}
+	
+	private static void patchNetbeansJavac(ScriptManager sm) {
+		sm.addScript(ScriptBuilder.wrapReturnValue()
+				.request(StackRequest.THIS, StackRequest.PARAM1)
+				.transplant()
+				.target(new MethodTarget("com.sun.tools.javac.api.JavacTaskImpl", "setTaskListener"))
+				.wrapMethod(new Hook("lombok/netbeans/agent/PatchFixes", "fixContentOnSetTaskListener",
+						"(Lcom/sun/tools/javac/api/JavacTaskImpl;Lcom/sun/source/util/TaskListener;)V"))
+				.build());
+		
+		sm.addScript(ScriptBuilder.wrapReturnValue()
+				.request()
+				.transplant()
+				.target(new MethodTarget("org.netbeans.modules.java.source.parsing.JavacParser", "createJavacTask",
+						"com.sun.tools.javac.api.JavacTaskImpl",
+						"ClasspathInfo", "DiagnosticListener", "java.lang.String", "boolean",
+						"ClassNamesForFileOraculum", "CancelService"))
+				.wrapMethod(new Hook("lombok/netbeans/agent/PatchFixes", "addTaskListenerWhenCallingJavac",
+						"()V"))
+				.build());
+	}
+	
+	private static void patchNetbeansMissingPositionAwareness(ScriptManager sm) {
+		sm.addScript(ScriptBuilder.replaceMethodCall()
+				.target(new MethodTarget("org.netbeans.modules.java.editor.overridden.ComputeAnnotations",
+						"createAnnotations"))
+				.methodToReplace(new Hook("com/sun/source/util/Trees", "getTree",
+						"(Ljavax/lang/model/element/Element;)Lcom/sun/source/tree/Tree;"))
+				.replacementMethod(new Hook("lombok/netbeans/agent/PatchFixes", "returnNullForGeneratedNode",
+						"(Lcom/sun/source/util/Trees;Ljavax/lang/model/element/Element;Ljava/lang/Object;)" +
+						"Lcom/sun/source/tree/Tree;"))
+				.requestExtra(StackRequest.PARAM1)
+				.build());
+		
+		sm.addScript(ScriptBuilder.replaceMethodCall()
+				.target(new MethodTarget("org.netbeans.modules.java.source.parsing.FindMethodRegionsVisitor",
+						"visitMethod"))
+				.methodToReplace(new Hook("com/sun/source/util/SourcePositions", "getEndPosition",
+						"(Lcom/sun/source/tree/CompilationUnitTree;Lcom/sun/source/tree/Tree;)J"))
+				.replacementMethod(new Hook("lombok/netbeans/agent/PatchFixes", "returnMinus1ForGeneratedNode",
+						"(Lcom/sun/source/util/SourcePositions;Lcom/sun/source/tree/CompilationUnitTree;Lcom/sun/source/tree/Tree;)J"))
+				.build());
+	}
+}
diff --git a/src/netbeansAgent/lombok/netbeans/agent/PatchFixes.java b/src/netbeansAgent/lombok/netbeans/agent/PatchFixes.java
new file mode 100644
index 00000000..26ddd1e4
--- /dev/null
+++ b/src/netbeansAgent/lombok/netbeans/agent/PatchFixes.java
@@ -0,0 +1,75 @@
+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;
+	}
+}
diff --git a/src/netbeansAgent/lombok/netbeans/agent/TaskListenerProvider.java b/src/netbeansAgent/lombok/netbeans/agent/TaskListenerProvider.java
new file mode 100644
index 00000000..59ac6c54
--- /dev/null
+++ b/src/netbeansAgent/lombok/netbeans/agent/TaskListenerProvider.java
@@ -0,0 +1,5 @@
+package lombok.netbeans.agent;
+
+public interface TaskListenerProvider {
+	public TaskListener create(Context c, ClasspathInfo info);
+}
diff --git a/src/netbeansAgent/lombok/netbeans/agent/package-info.java b/src/netbeansAgent/lombok/netbeans/agent/package-info.java
new file mode 100644
index 00000000..a6a2f2db
--- /dev/null
+++ b/src/netbeansAgent/lombok/netbeans/agent/package-info.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Contains the mechanism that instruments netbeans by being loaded as a javaagent.
+ */
+package lombok.netbeans.agent;