Added -format option to splitnets

diff --git a/passes/cmds/splitnets.cc b/passes/cmds/splitnets.cc
index 73393da8be554002c320ff7ce1f678da4996795b..628e87db45f3ae322a5296bf4a554bbf741902dc 100644 (file)
--- a/passes/cmds/splitnets.cc
+++ b/passes/cmds/splitnets.cc
@@ -48,6 +48,11 @@ struct SplitnetsPass : public Pass {
                log("\n");
                log("This command splits multi-bit nets into single-bit nets.\n");
                log("\n");
+               log("    -format char1[char2]\n");
+               log("        the first char is inserted between the net name and the bit index, the\n");
+               log("        second char is appended to the netname. e.g. -format () creates net\n");
+               log("        names like 'mysignal(42)'. the default is '[]'.\n");
+               log("\n");
                log("    -ports\n");
                log("        also split module ports. per default only internal signals are split.\n");
                log("\n");
@@ -55,10 +60,15 @@ struct SplitnetsPass : public Pass {
        virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
        {
                bool flag_ports = false;
+               std::string format = "[]";
 
                size_t argidx;
                for (argidx = 1; argidx < args.size(); argidx++)
                {
+                       if (args[argidx] == "-format" && argidx+1 < args.size()) {
+                               format = args[++argidx];
+                               continue;
+                       }
                        if (args[argidx] == "-ports") {
                                flag_ports = true;
                                continue;
@@ -87,7 +97,12 @@ struct SplitnetsPass : public Pass {
                                        wire->port_id = it.first->port_id;
                                        wire->port_input = it.first->port_input;
                                        wire->port_output = it.first->port_output;
-                                       wire->name = it.first->name + stringf("[%d]", i);
+                                       wire->name = it.first->name;
+                                       if (format.size() > 0)
+                                               wire->name += format.substr(0, 1);
+                                       wire->name += stringf("%d", i);
+                                       if (format.size() > 0)
+                                               wire->name += format.substr(1);
                                        while (module->count_id(wire->name) > 0)
                                                wire->name = wire->name + "_";
                                        module->add(wire);