beautified write_intersynth

diff --git a/backends/intersynth/intersynth.cc b/backends/intersynth/intersynth.cc
index 402c3e7c48c7bfac86a467b60b6782e366bf5b41..47c1125f7cbbc9eb037f2c3bd944f0621683c144 100644 (file)
--- a/backends/intersynth/intersynth.cc
+++ b/backends/intersynth/intersynth.cc
@@ -149,8 +149,10 @@ struct IntersynthBackend : public Backend {
                                log_error("Can't generate a netlist for a module with unprocessed memories or processes!\n");
 
                        std::set<std::string> constcells_code;
+                       netlists_code += stringf("# Netlist of module %s\n", RTLIL::id2cstr(module->name));
                        netlists_code += stringf("netlist %s\n", RTLIL::id2cstr(module->name));
 
+                       // Module Ports: "std::set<string> celltypes_code" prevents duplicate top level ports
                        for (auto wire_it : module->wires) {
                                RTLIL::Wire *wire = wire_it.second;
                                if (wire->port_input || wire->port_output) {
@@ -162,6 +164,7 @@ struct IntersynthBackend : public Backend {
                                }
                        }
 
+                       // Submodules: "std::set<string> celltypes_code" prevents duplicate cell types 
                        for (auto cell_it : module->cells)
                        {
                                RTLIL::Cell *cell = cell_it.second;
@@ -194,16 +197,22 @@ struct IntersynthBackend : public Backend {
                                netlists_code += node_code + "\n";
                        }
 
+                       if (constcells_code.size() > 0)
+                         netlists_code += "# constant cells\n";
                        for (auto code : constcells_code)
                                netlists_code += code;
+                       netlists_code += "\n";
                }
 
                if (!flag_notypes) {
+                       fprintf(f, "### Connection Types\n");
                        for (auto code : conntypes_code)
                                fprintf(f, "%s", code.c_str());
+                       fprintf(f, "\n### Cell Types\n");
                        for (auto code : celltypes_code)
                                fprintf(f, "%s", code.c_str());
                }
+               fprintf(f, "\n### Netlists\n");
                fprintf(f, "%s", netlists_code.c_str());
 
                for (auto lib : libs)