verilator/test_regress/t/t_interface_hidden.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2013 Wilson Snyder
// SPDX-License-Identifier: CC0-1.0

module t (
    input clk
);

  integer cyc = 1;

  ifc ifc ();  // Cell name hides interface's name
  assign ifc.ifi = 55;

  sub sub (.isub(ifc));  // Cell name hides module's name

  int om;

  mod_or_type mot (.*);

  hides_with_type hides_type ();
  hides_with_decl hides_decl ();

  always @(posedge clk) begin
    cyc <= cyc + 1;
    if (cyc == 20) begin
      if (om != 22) $stop;
      if (mot.LOCAL != 22) $stop;
      if (ifc.ifo != 55) $stop;
      $write("*-* All Finished *-*\n");
      $finish;
    end
  end
endmodule

module sub (
    ifc isub
);
  always @* begin
    isub.ifo = isub.ifi;
  end
endmodule

module mod_or_type (
    output int om
);
  localparam LOCAL = 22;
  initial om = 22;
endmodule

module hides_with_type ();
  typedef int ifc;  // Hides interface
  typedef int mod_or_type;  // Hides module

  ifc  /*=int*/ hides_ifc;
  mod_or_type  /*=int*/ hides_mod;

  initial hides_ifc = 33;
  initial hides_mod = 44;
endmodule

module hides_with_decl ();
  int ifc;  // Hides interface
  int mod_or_type;  // Hides module

  initial ifc = 66;
  initial mod_or_type = 77;
endmodule

interface ifc;
  localparam LOCAL = 12;
  int ifi;
  int ifo;
endinterface