diff options
Diffstat (limited to 'src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java')
-rw-r--r-- | src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java | 67 |
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 new file mode 100644 index 00000000..1620014c --- /dev/null +++ b/src/eclipseAgent/lombok/eclipse/agent/PatchDelegatePortal.java @@ -0,0 +1,67 @@ +/* + * 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_; + } + } +} |