LightClick handling optional connections.

example.click

model lightclick

modules

a = module
  { clk : logic output high
  , rst : logic output high optional
  };

b = module {clk : logic input  high};

connections

a[clk] -> b[clk];

Top.sv

module a
(
  output logic clk,
  output logic rst
);
// TO ADD
endmodule;

module b
(
  input logic clk
);
// TO ADD
endmodule;

module Top ();
  wire logic a_clk_b_clk;
  a lightclick_module_0
     (
       .clk(a_clk_b_clk),
       .rst()
     );
  b lightclick_module_1
     (
       .clk(a_clk_b_clk)
     );

endmodule;