Refactor error messaging

src/erin_next.cpp

@@ -4,6 +4,7 @@
 #include <cmath>
 #include <cstdlib>
 #include <limits>
+#include <sstream>
 #include <stdexcept>
 
 namespace erin_next
@@ -3274,12 +3275,13 @@ namespace erin_next
 			if (m.ComponentMap.OutflowType[fromCompId][fromTap.Port]
 				!= flowTypeId)
 			{
-				std::cout << "[network] "
-						  << "mismatch of flow types: " << fromTap.Tag
-						  << ":outflow="
-						  << fd.Type[m.ComponentMap
+				std::ostringstream oss;
+				oss << "mismatch of flow types: " << fromTap.Tag
+					<< ":outflow="
+					<< fd.Type[m.ComponentMap
 										 .OutflowType[fromCompId][fromTap.Port]]
-						  << "; connection: " << flow << std::endl;
+				  << "; connection: " << flow;
+				WriteErrorMessage("network", oss.str());
 				return Result::Failure;
 			}
 			if (toTap.Port >= m.ComponentMap.InflowType[toCompId].size())

src/erin_next_toml.cpp

@@ -70,7 +70,9 @@ namespace erin_next
 								oss << "WARNING! field '" << aliasValue.Tag
 									<< "' is deprecated and will be removed "
 								  << "in a future version; use '"
-									<< alias.first << "' instead";
+									<< alias.first << "' instead (value = "
+									<< (value.is_string() ? value.as_string() : "")
+									<< ")";
 								warnings.push_back(
 									WriteErrorToString(tableName, oss.str())
 								);