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Added help msg to select command (and minor improvements)

This commit is contained in:
Clifford Wolf 2013-02-28 12:51:30 +01:00
parent cb592504f4
commit eb2df220df
1 changed files with 146 additions and 7 deletions
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153
kernel/select.cc
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@ -284,6 +284,16 @@ static void select_stmt(RTLIL::Design *design, std::string arg)
return;
}
if (arg[0] == '@') {
std::string set_name = RTLIL::escape_id(arg.substr(1));
if (design->selection_vars.count(set_name) > 0)
work_stack.push_back(design->selection_vars[set_name]);
else
work_stack.push_back(RTLIL::Selection(false));
select_filter_active_mod(design, work_stack.back());
return;
}
if (!design->selected_active_module.empty()) {
arg_mod = design->selected_active_module;
arg_memb = arg;
@ -385,7 +395,119 @@ static void select_stmt(RTLIL::Design *design, std::string arg)
}
struct SelectPass : public Pass {
SelectPass() : Pass("select") { }
SelectPass() : Pass("select", "modify and view the list of selected objects") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" select [ -add | -del | -set <name> ] <selection>\n");
log(" select [ -list | -clear ]\n");
log(" select -module <modname>\n");
log("\n");
log("Most commands use the list of currently selected objects to determine which part\n");
log("of the design to operate on. This command can be used to modify and view this\n");
log("list of selected objects.\n");
log("\n");
log("Note that many commands support an optional [selection] argument that can be\n");
log("used to override the global selection for the command. The syntax of this\n");
log("optional argument is identical to the syntax of the <selection> argument\n");
log("described here.\n");
log("\n");
log(" -add, -del\n");
log(" add or remove the given objects to the current selection.\n");
log(" without this options the current selection is replaced.\n");
log("\n");
log(" -set <name>\n");
log(" do not modify the current selection. instead save the new selection\n");
log(" under the given name (see @<name> below).\n");
log("\n");
log(" -list\n");
log(" list all objects in the current selection\n");
log("\n");
log(" -clear\n");
log(" clear the current selection. this effectively selects the\n");
log(" whole design.\n");
log("\n");
log(" -module <modname>\n");
log(" limit the current scope to the specified module\n");
log(" the difference between this and simply selecting the module\n");
log(" is that all object names are interpreted relative to this\n");
log(" module after this command until the selection is cleared again.\n");
log("\n");
log("When this command is called without an argument, the current selection\n");
log("is displayed in a compact form (i.e.. only the module name when a whole module\n");
log("is selected).\n");
log("\n");
log("The <selection> argument itself is a series of commands for a simple stack\n");
log("machine. Each element on the stack represents a set of selected objects.\n");
log("After this commands have been executed, the union of all remaining sets\n");
log("on the stack is computed and used as selection for the command.\n");
log("\n");
log("Pushing (selecting) object when not in -module mode:\n");
log("\n");
log(" <mod_pattern>\n");
log(" select the specified module(s)\n");
log("\n");
log(" <mod_pattern>/<obj_pattern>\n");
log(" select the specified object(s) from the module(s)\n");
log("\n");
log("Pushing (selecting) object when in -module mode:\n");
log("\n");
log(" <obj_pattern>\n");
log(" select the specified object(s) from the current module\n");
log("\n");
log("A <mod_pattern> can be a module name or wildcard expression (*, ?, [..])\n");
log("matching module names.\n");
log("\n");
log("An <obj_pattern> can be an object name, wildcard expression, or one of\n");
log("the following:\n");
log("\n");
log(" w:<pattern>\n");
log(" all wires with a name matching the given wildcard pattern\n");
log("\n");
log(" m:<pattern>\n");
log(" all memories with a name matching the given pattern\n");
log("\n");
log(" c:<pattern>\n");
log(" all cells with a name matching the given pattern\n");
log("\n");
log(" t:<pattern>\n");
log(" all cells with a type matching the given pattern\n");
log("\n");
log(" p:<pattern>\n");
log(" all processes with a name matching the given pattern\n");
log("\n");
log(" a:<pattern>\n");
log(" all objects with an attribute name matching the given pattern\n");
log("\n");
log(" a:<pattern>=<pattern>\n");
log(" all objects with a matching attribute name-value-pair\n");
log("\n");
log(" n:<pattern>\n");
log(" all object with a name matching the given pattern\n");
log(" (i.e. the n: is optional as it is the default matching rule)\n");
log("\n");
log(" @<name>\n");
log(" push the selection saved prior with 'select -set <name> ...'\n");
log("\n");
log("The following actions can be performed on the top sets on the stack:\n");
log("\n");
log(" #\n");
log(" push a copy of the current selection to the stack\n");
log("\n");
log(" #n\n");
log(" replace top set with its invert\n");
log("\n");
log(" #u\n");
log(" replace the two top sets on the stack with their union\n");
log("\n");
log(" #i\n");
log(" replace the two top sets on the stack with their intersection\n");
log("\n");
log(" #d\n");
log(" pop the top set from the stack and subtract it from the new top\n");
log("\n");
}
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
bool add_mode = false;
@ -393,6 +515,7 @@ struct SelectPass : public Pass {
bool clear_mode = false;
bool list_mode = false;
bool got_module = false;
std::string set_name;
work_stack.clear();
@ -424,6 +547,10 @@ struct SelectPass : public Pass {
got_module = true;
continue;
}
if (arg == "-set" && argidx+1 < args.size()) {
set_name = RTLIL::escape_id(args[++argidx]);
continue;
}
if (arg.size() > 0 && arg[0] == '-')
log_cmd_error("Unkown option %s.\n", arg.c_str());
select_stmt(design, arg);
@ -438,6 +565,9 @@ struct SelectPass : public Pass {
if (list_mode && (add_mode || del_mode))
log_cmd_error("Option -list can not be combined with -add or -del.\n");
if (!set_name.empty() && (list_mode || add_mode || del_mode))
log_cmd_error("Option -set can not be combined with -list, -add or -del.\n");
if (work_stack.size() == 0 && got_module) {
RTLIL::Selection sel;
select_filter_active_mod(design, sel);
@ -466,20 +596,20 @@ struct SelectPass : public Pass {
sel->optimize(design);
for (auto mod_it : design->modules)
{
if (design->selected_whole_module(mod_it.first))
if (sel->selected_whole_module(mod_it.first))
log("%s\n", mod_it.first.c_str());
if (design->selected_module(mod_it.first)) {
if (sel->selected_module(mod_it.first)) {
for (auto &it : mod_it.second->wires)
if (design->selected_member(mod_it.first, it.first))
if (sel->selected_member(mod_it.first, it.first))
log("%s/%s\n", mod_it.first.c_str(), it.first.c_str());
for (auto &it : mod_it.second->memories)
if (design->selected_member(mod_it.first, it.first))
if (sel->selected_member(mod_it.first, it.first))
log("%s/%s\n", mod_it.first.c_str(), it.first.c_str());
for (auto &it : mod_it.second->cells)
if (design->selected_member(mod_it.first, it.first))
if (sel->selected_member(mod_it.first, it.first))
log("%s/%s\n", mod_it.first.c_str(), it.first.c_str());
for (auto &it : mod_it.second->processes)
if (design->selected_member(mod_it.first, it.first))
if (sel->selected_member(mod_it.first, it.first))
log("%s/%s\n", mod_it.first.c_str(), it.first.c_str());
}
}
@ -504,6 +634,15 @@ struct SelectPass : public Pass {
return;
}
if (!set_name.empty())
{
if (work_stack.size() == 0)
design->selection_vars.erase(set_name);
else
design->selection_vars[set_name] = work_stack.back();
return;
}
if (work_stack.size() == 0) {
RTLIL::Selection &sel = design->selection_stack.back();
if (sel.full_selection)