Using CompilationUnitResolver ext.pt in javac plugin

Signed-off-by: Rob Stryker <[email protected]>

org.eclipse.jdt.core.javac/fragment.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<fragment>
+   <extension
+         point="org.eclipse.jdt.core.compilationUnitResolver">
+      <resolver
+            class="org.eclipse.jdt.core.dom.JavacCompilationUnitResolver"
+            id="org.eclipse.jdt.core.javac.JavacCompilationUnitResolver">
+      </resolver>
+   </extension>
+
+</fragment>

org.eclipse.jdt.core.javac/src/org/eclipse/jdt/core/dom/JavacCompilationUnitResolver.java

@@ -74,7 +74,11 @@
  * Allows to create and resolve DOM ASTs using Javac
  * @implNote Cannot move to another package because parent class is package visible only
  */
-class JavacCompilationUnitResolver implements ICompilationUnitResolver {
+public class JavacCompilationUnitResolver implements ICompilationUnitResolver {
+	public JavacCompilationUnitResolver() {
+		// 0-arg constructor
+	}
+
 	private interface GenericRequestor {
 		public void acceptBinding(String bindingKey, IBinding binding);
 	}