1 files changed, 93 insertions, 0 deletions
diff --git a/experimental/src/lombok/javac/disableCheckedExceptions/DisableCheckedExceptionsAgent.java b/experimental/src/lombok/javac/disableCheckedExceptions/DisableCheckedExceptionsAgent.java
new file mode 100644
index 00000000..deb4626f
--- /dev/null
+++ b/experimental/src/lombok/javac/disableCheckedExceptions/DisableCheckedExceptionsAgent.java
@@ -0,0 +1,93 @@
+/*
+ * 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.javac.disableCheckedExceptions;
+
+import java.lang.instrument.Instrumentation;
+import java.util.Set;
+
+import javax.annotation.processing.AbstractProcessor;
+import javax.annotation.processing.ProcessingEnvironment;
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedAnnotationTypes;
+import javax.annotation.processing.SupportedSourceVersion;
+import javax.lang.model.SourceVersion;
+import javax.lang.model.element.TypeElement;
+import javax.tools.Diagnostic.Kind;
+
+import lombok.patcher.Hook;
+import lombok.patcher.MethodTarget;
+import lombok.patcher.ScriptManager;
+import lombok.patcher.inject.LiveInjector;
+import lombok.patcher.scripts.ScriptBuilder;
+
+import com.sun.tools.javac.processing.JavacProcessingEnvironment;
+
+@SupportedAnnotationTypes("*")
+@SupportedSourceVersion(SourceVersion.RELEASE_6)
+public class DisableCheckedExceptionsAgent extends AbstractProcessor {
+	/** Inject an agent if we're on a sun-esque JVM. */
+	@Override public void init(ProcessingEnvironment processingEnv) {
+		super.init(processingEnv);
+		if (!(processingEnv instanceof JavacProcessingEnvironment)) {
+			processingEnv.getMessager().printMessage(Kind.WARNING, "You aren't using a compiler based around javac v1.6, so lombok will not work properly.");
+			this.processingEnv = null;
+		}
+		
+		new LiveInjector().injectSelf();
+	}
+	
+	/** Does nothing - we just wanted the init method so we can inject an agent. */
+	@Override public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+		return false;
+	}
+	
+	public static void agentmain(String agentArgs, Instrumentation instrumentation) throws Exception {
+		registerPatchScripts(instrumentation, true);
+	}
+	
+	public static void premain(String agentArgs, Instrumentation instrumentation) throws Exception {
+		registerPatchScripts(instrumentation, false);
+	}
+	
+	private static void registerPatchScripts(Instrumentation instrumentation, boolean reloadExistingClasses) {
+		ScriptManager sm = new ScriptManager();
+		sm.registerTransformer(instrumentation);
+		
+		patchExceptions(sm);
+		
+		if (reloadExistingClasses) sm.reloadClasses(instrumentation);
+	}
+	
+	private static void patchExceptions(ScriptManager sm) {
+		sm.addScript(ScriptBuilder.exitEarly()
+				.target(new MethodTarget("com.sun.tools.javac.comp.Check", "isUnchecked",
+						"boolean", "com.sun.tools.javac.code.Symbol$ClassSymbol"))
+				.transplant()
+				.decisionMethod(new Hook("lombok/javac/disableCheckedExceptions/DisableCheckedExceptionsAgent", "retTrue", "()Z"))
+				.valueMethod(new Hook("lombok/javac/disableCheckedExceptions/DisableCheckedExceptionsAgent", "retTrue", "()Z"))
+				.build());
+	}
+	
+	public static boolean retTrue() {
+		return true;
+	}
+}