From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 22 Apr 2020 19:07:08 +0000 (-0700)
Subject: kernel: Cell::getParam() to throw exception again if not found
X-Git-Tag: working-ls180~594^2~6
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=86ab7d3a6ed994c06654fbae9770caa030f115d6;p=yosys.git

kernel: Cell::getParam() to throw exception again if not found

As it did before #1945
---

diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index 2aefe30b1..196e301b6 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -2619,16 +2619,15 @@ void RTLIL::Cell::setParam(RTLIL::IdString paramname, RTLIL::Const value)
 
 const RTLIL::Const &RTLIL::Cell::getParam(RTLIL::IdString paramname) const
 {
-	static const RTLIL::Const empty;
 	const auto &it = parameters.find(paramname);
 	if (it != parameters.end())
 		return it->second;
 	if (module && module->design) {
 		RTLIL::Module *m = module->design->module(type);
 		if (m)
-			return m->parameter_default_values.at(paramname, empty);
+			return m->parameter_default_values.at(paramname);
 	}
-	return empty;
+	throw std::out_of_range("Cell::getParam()");
 }
 
 void RTLIL::Cell::sort()