Applescript to open the document which is currently active in XCode 4.2 in sublimetext 3

OpenActiveFile

tell application "Xcode"
    activate
    --display dialog "window1: " & (get name of window 0)
    set CurrentActiveDocument to document 1 whose name ends with (word -1 of (get name of window 1))
    set WhatYouWant to path of CurrentActiveDocument
end tell
tell application "Sublime Text 3"
    activate (open WhatYouWant)
end tell