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More intuitive handling of "cd .." for singleton modules

This commit is contained in:
Clifford Wolf 2017-08-19 00:15:12 +02:00
parent bbdf7d9c66
commit d38a64b1cf
1 changed files with 38 additions and 2 deletions
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40
passes/cmds/select.cc
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@ -1482,20 +1482,56 @@ struct CdPass : public Pass {
log("\n");
log(" cd ..\n");
log("\n");
log("Remove trailing substrings that start with '.' in current module name until\n");
log("the name of a module in the current design is generated, then switch to that\n");
log("module. Otherwise clear the current selection.\n");
log("\n");
log(" cd\n");
log("\n");
log("This is just a shortcut for 'select -clear'.\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
if (args.size() != 2)
if (args.size() != 1 && args.size() != 2)
log_cmd_error("Invalid number of arguments.\n");
if (args[1] == "..") {
if (args.size() == 1 || args[1] == "/") {
design->selection_stack.back() = RTLIL::Selection(true);
design->selected_active_module = std::string();
return;
}
if (args[1] == "..")
{
string modname = design->selected_active_module;
design->selection_stack.back() = RTLIL::Selection(true);
design->selected_active_module = std::string();
while (1)
{
size_t pos = modname.rfind('.');
if (pos == string::npos)
break;
modname = modname.substr(0, pos);
Module *mod = design->module(modname);
if (mod == nullptr)
continue;
design->selected_active_module = modname;
design->selection_stack.back() = RTLIL::Selection();
select_filter_active_mod(design, design->selection_stack.back());
design->selection_stack.back().optimize(design);
return;
}
return;
}
std::string modname = RTLIL::escape_id(args[1]);
if (design->modules_.count(modname) == 0 && !design->selected_active_module.empty()) {