windflower

sourceforge.net/projects/aseclipseplugin/

Supported Features:

Code Coloring
Code Outlining (you can jump to the position by click an item within the outlineview)
Code Completion within the same file (very basic)
Code Completion for imports
(for Codecompletion press Alt + Space)

刚开始，功能还不完善。
注意eclipse要3.0.1版本...