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authorClifford Wolf <clifford@clifford.at>2014-02-06 19:22:46 +0100
committerClifford Wolf <clifford@clifford.at>2014-02-06 19:22:46 +0100
commitfa295a4528513d6beeff638520d519faafd99324 (patch)
treeb11afcff018bdb515596ec4b89dac9ff6a514931 /kernel/rtlil.cc
parentd4b0f28881e361f53b61e67c4cb5cd04c196d204 (diff)
Added generic RTLIL::SigSpec::parse_sel() with support for selection variables
Diffstat (limited to 'kernel/rtlil.cc')
-rw-r--r--kernel/rtlil.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 2ab3320b..95d62503 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -1649,6 +1649,24 @@ bool RTLIL::SigSpec::parse(RTLIL::SigSpec &sig, RTLIL::Module *module, std::stri
return true;
}
+bool RTLIL::SigSpec::parse_sel(RTLIL::SigSpec &sig, RTLIL::Design *design, RTLIL::Module *module, std::string str)
+{
+ if (str.empty() || str[0] != '@')
+ return parse(sig, module, str);
+
+ str = RTLIL::escape_id(str.substr(1));
+ if (design->selection_vars.count(str) == 0)
+ return false;
+
+ sig = RTLIL::SigSpec();
+ RTLIL::Selection &sel = design->selection_vars.at(str);
+ for (auto &it : module->wires)
+ if (sel.selected_member(module->name, it.first))
+ sig.append(it.second);
+
+ return true;
+}
+
bool RTLIL::SigSpec::parse_rhs(const RTLIL::SigSpec &lhs, RTLIL::SigSpec &sig, RTLIL::Module *module, std::string str)
{
if (str == "0") {