Commentary

src/V3Error.h

@@ -240,6 +240,7 @@ class FileLine {
     int		m_lineno;
     string	m_filename;
     bitset<V3ErrorCode::_ENUM_MAX>	m_warnOn;
+    // Consider moving opt.language() into here, so can know language per-node
     static FileLine s_defaultFileLine;
     struct EmptySecret {};
 protected:

src/V3Options.h

@@ -150,6 +150,7 @@ class V3Options {
     string	m_xAssign;	// main switch: --x-assign
     string	m_topModule;	// main switch: --top-module
 
+    // Consider moving m_language into FileLine, so can know language per-node
     V3LangCode	m_language;	// main switch: --language
 
     // MEMBERS (optimizations)