Bug 125467 [clean up][infrastructure] Show hit ctrl-enter message
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AssistContext.java
fASTRoot= ASTResolving.createQuickFixAST(fCompilationUnit, null);
			}
		}
		return fASTRoot;
	}
	/**
	 * @param root The ASTRoot to set.
	 */
	public void setASTRoot(CompilationUnit root) {
		fASTRoot= root;
	}
	/*(non-Javadoc)
	 * @see org.eclipse.jdt.ui.text.java.IInvocationContext#getCoveringNode()
	 */
	public ASTNode getCoveringNode() {
		NodeFinder finder= new NodeFinder(fOffset, fLength);
		getASTRoot().accept(finder);
		return finder.getCoveringNode();
	}
	/*(non-Javadoc)
	 * @see org.eclipse.jdt.ui.text.java.IInvocationContext#getCoveredNode()
	 */
	public ASTNode getCoveredNode() {
		NodeFinder finder= new NodeFinder(fOffset, fLength);
		getASTRoot().accept(finder);
		return finder.getCoveredNode();
	}
}