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[fixes #3406] Find jdt.core classloader if initialized in batch mode

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Rawi01 authored and Roel Spilker committed 2023-04-16 18:10:19 +02:00
1 parent 3f51b25ac9
commit 250bc0660b
1 file changed
+39 -7
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src/eclipseAgent/lombok/launch/PatchFixesHider.java
+39 -7
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@@ -201,19 +201,51 @@ final class PatchFixesHider {
private static synchronized void init(ClassLoader prepend) {
if (TRANSFORM != null) return;
Main.prependClassLoader(prepend);
try {
ClassLoader currentClassLoader = Transform.class.getClassLoader();
Method prependParentMethod = Permit.getMethod(currentClassLoader.getClass(), "prependParent", ClassLoader.class);
Permit.invoke(prependParentMethod, currentClassLoader, prepend);
} catch (Throwable t) {
// Ignore
prependClassLoader(prepend);
if (!prepend.toString().contains("org.eclipse.jdt.core:")) {
ClassLoader jdtCoreClassLoader = findJdtCoreClassLoader(prepend);
prependClassLoader(jdtCoreClassLoader);
}
Class<?> shadowed = Util.shadowLoadClass("lombok.eclipse.TransformEclipseAST");
TRANSFORM = Util.findMethodAnyArgs(shadowed, "transform");
TRANSFORM_SWAPPED = Util.findMethodAnyArgs(shadowed, "transform_swapped");
}
private static void prependClassLoader(ClassLoader classLoader) {
Main.prependClassLoader(classLoader);
try {
ClassLoader currentClassLoader = Transform.class.getClassLoader();
Method prependParentMethod = Permit.getMethod(currentClassLoader.getClass(), "prependParent", ClassLoader.class);
Permit.invoke(prependParentMethod, currentClassLoader, classLoader);
} catch (Throwable t) {
// Ignore
}
}
private static ClassLoader findJdtCoreClassLoader(ClassLoader classLoader) {
try {
Method getBundleMethod = Permit.getMethod(classLoader.getClass(), "getBundle");
Object bundle = Permit.invoke(getBundleMethod, classLoader);
Method getBundleContextMethod = Permit.getMethod(bundle.getClass(), "getBundleContext");
Object bundleContext = Permit.invoke(getBundleContextMethod, bundle);
Method getBundlesMethod = Permit.getMethod(bundleContext.getClass(), "getBundles");
Object[] bundles = (Object[]) Permit.invoke(getBundlesMethod, bundleContext);
for (Object searchBundle : bundles) {
if (searchBundle.toString().startsWith("org.eclipse.jdt.core_")) {
Method getModuleClassLoaderMethod = Permit.getMethod(searchBundle.getClass(), "getModuleClassLoader", boolean.class);
return (ClassLoader) Permit.invoke(getModuleClassLoaderMethod, searchBundle, false);
}
}
} catch (Throwable t) {
// Ignore
}
return null;
}
public static void transform(Object parser, Object ast) throws IOException {
init(parser.getClass().getClassLoader());
Util.invokeMethod(TRANSFORM, parser, ast);