Awesome

exception.vim

Vim plugin for tracing exceptions thrown by VimL scripts. The most recent exceptions are parsed and displayed in the QuickFix window.

Usage

Call exception#trace() to display the call stack for the most recent exceptions. After that, use the QuickFix commands to move through the stack.

You could also create a command:

command! WTF call exception#trace()

Useful VimL dev plugins

• vim-lookup
• helpful.vim