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Diffstat (limited to 'src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java')
-rw-r--r--src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java b/src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java
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+++ b/src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java
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+/*
+ * Copyright (C) 2012 The Project Lombok Authors.
+ *
+ * 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.eclipse.agent;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import lombok.Lombok;
+
+public class PatchDelegatePortal {
+ static final String CLASS_SCOPE = "org.eclipse.jdt.internal.compiler.lookup.ClassScope";
+
+ public static boolean handleDelegateForType(Object classScope) {
+ try {
+ return (Boolean) Reflection.handleDelegateForType.invoke(null, classScope);
+ } catch (NoClassDefFoundError e) {
+ //ignore, we don't have access to the correct ECJ classes, so lombok can't possibly
+ //do anything useful here.
+ return false;
+ } catch (IllegalAccessException e) {
+ throw Lombok.sneakyThrow(e);
+ } catch (InvocationTargetException e) {
+ throw Lombok.sneakyThrow(e);
+ } catch (NullPointerException e) {
+ e.initCause(Reflection.problem);
+ throw e;
+ }
+ }
+
+ private static final class Reflection {
+ public static final Method handleDelegateForType;
+ public static final Throwable problem;
+
+ static {
+ Method m = null;
+ Throwable problem_ = null;
+ try {
+ m = PatchDelegate.class.getMethod("handleDelegateForType", Class.forName(CLASS_SCOPE));
+ } catch (Throwable t) {
+ // That's problematic, but as long as no local classes are used we don't actually need it.
+ // Better fail on local classes than crash altogether.
+ problem_ = t;
+ }
+ handleDelegateForType = m;
+ problem = problem_;
+ }
+ }
+}