verilog-preserve-dir-cache
verilog-preserve-dir-cache is a Lisp macro in `verilog-mode.el
'.
(verilog-preserve-dir-cache &rest BODY)
Execute the BODY forms, allowing directory cache preservation within BODY.
This means that changes inside BODY made to the file system will not be
seen by the `verilog-dir-files' and related functions.