verilog-preprocess
verilog-preprocess is an interactive compiled Lisp function in `verilog-mode.el
'.
(verilog-preprocess &optional COMMAND FILENAME)
Preprocess the buffer, similar to `compile', but put output in Verilog-Mode.
Takes optional COMMAND or defaults to `verilog-preprocessor', and
FILENAME to find directory to run in, or defaults to `buffer-file-name`.