yosys/tests/verilog/param_no_default_unbound_3.ys at de28ab00c3531ff276cd9d7d2db855fdb332ae12 - mirrors/yosys - Libre-Chip.org

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Zachary Snow d738b2c127 sv: support for parameters without default values

- Modules with a parameter without a default value will be automatically
  deferred until the hierarchy pass
- Allows for parameters without defaults as module items, rather than
  just int the `parameter_port_list`, despite being forbidden in the LRM
- Check for parameters without defaults that haven't been overriden
- Add location info to parameter/localparam declarations

2021-03-02 10:43:53 -05:00

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 read_verilog -sv <<EOF
 module Example #(
     parameter X, Y
 );
 endmodule
 module top;
     Example #(1) e();
 endmodule
 EOF
 logger -expect error "Parameter `\\Y' has no default value and has not been overridden!" 1
 hierarchy -top top