mirror of
https://github.com/YosysHQ/yosys
synced 2025-04-07 01:54:10 +00:00
1ec5994100
- track depth so we know whether to consider higher-level elsifs - error on unmatched endif/elsif/else
89 lines
967 B
Verilog
89 lines
967 B
Verilog
module top(o1, o2, o3, o4);
|
|
|
|
`define FAIL input wire not_a_port;
|
|
|
|
`ifdef COND_1
|
|
`FAIL
|
|
`elsif COND_2
|
|
`FAIL
|
|
`elsif COND_3
|
|
`FAIL
|
|
`elsif COND_4
|
|
`FAIL
|
|
`else
|
|
|
|
`define COND_4
|
|
output wire o4;
|
|
|
|
`ifdef COND_1
|
|
`FAIL
|
|
`elsif COND_2
|
|
`FAIL
|
|
`elsif COND_3
|
|
`FAIL
|
|
`elsif COND_4
|
|
|
|
`define COND_3
|
|
output wire o3;
|
|
|
|
`ifdef COND_1
|
|
`FAIL
|
|
`elsif COND_2
|
|
`FAIL
|
|
`elsif COND_3
|
|
|
|
`define COND_2
|
|
output wire o2;
|
|
|
|
`ifdef COND_1
|
|
`FAIL
|
|
`elsif COND_2
|
|
|
|
`define COND_1
|
|
output wire o1;
|
|
|
|
`ifdef COND_1
|
|
|
|
`ifdef COND_1
|
|
`elsif COND_2
|
|
`FAIL
|
|
`elsif COND_3
|
|
`FAIL
|
|
`elsif COND_4
|
|
`FAIL
|
|
`else
|
|
`FAIL
|
|
`endif
|
|
|
|
`elsif COND_2
|
|
`FAIL
|
|
`elsif COND_3
|
|
`FAIL
|
|
`elsif COND_4
|
|
`FAIL
|
|
`else
|
|
`FAIL
|
|
`endif
|
|
|
|
`elsif COND_3
|
|
`FAIL
|
|
`elsif COND_4
|
|
`FAIL
|
|
`else
|
|
`FAIL
|
|
`endif
|
|
|
|
`elsif COND_4
|
|
`FAIL
|
|
`else
|
|
`FAIL
|
|
`endif
|
|
|
|
`else
|
|
`FAIL
|
|
`endif
|
|
|
|
`endif
|
|
|
|
endmodule
|