How would you dive into a big codebase

[safety0ff via Digitalmars-d-learn]

On Wednesday, 22 October 2014 at 01:21:19 UTC, Freddy wrote:
> Is there any advice/tips for reading medium/big D codebases?

Somewhat D specific: I would consider an IDE/editor like Eclipse 
with DDT that can give an outline of the data structures & 
functions names in a source file to make the files easier to 
digest.