I want to expand Compiler Directives of Verilog-A, Verilog-D and Verilog-AMS.
For C-Compiler, I can use '-E' option in 'gcc command'.

Currently, I use '-E' option in 'icarus verilog'.
However I can't find out corresponding option in 'NC-Verilog'.

How to expand Compiler Directives of Verilog ?