openflow.dot

digraph openflow {
  graph [ranksep=0.25];
  node [shape = doublecircle];
  node [shape = rectangle];
  GHDL "ghdl-yosys-plugin" Yosys "nextpnr-ice40" "nextpnr-ecp5" icetime icepack iceprog eccpack;
  node [shape = note ];
  VHDL Verilog;
  node [shape = box3d ];
  ice40;
  node [shape = oval];
  "bit-ice40" [label=".bit"];
  "bit-ecp5"  [label=".bit"];
  VHDL                -> {GHDL "ghdl-yosys-plugin"};
  GHDL                -> "ghdl-yosys-plugin";
  "ghdl-yosys-plugin" -> Yosys;
  Verilog             -> Yosys;
  Yosys               -> ".json";
  ".json"             -> {"nextpnr-ice40" "nextpnr-ecp5"};
  "nextpnr-ice40"     -> ".asc";
  "nextpnr-ecp5"      -> ".config";
  ".asc"              -> {icetime icepack};
  icepack             -> "bit-ice40";
  "bit-ice40"         -> iceprog;
  iceprog             -> ice40;
  ".config"           -> eccpack;
  eccpack             -> "bit-ecp5";
  {rank = same; GHDL ; "ghdl-yosys-plugin"; Yosys;}
}