Check for import aliases

ethereum · Feb 14, 2017 · 9c39439 · 9c39439
1 parent b69390d
commit 9c39439
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/libsolidity/analysis/StaticAnalyzer.cpp b/libsolidity/analysis/StaticAnalyzer.cpp
@@ -98,6 +98,13 @@ bool StaticAnalyzer::visit(EventDefinition const& _event)
 bool StaticAnalyzer::visit(ImportDirective const& _import)
 {
 	checkShadowingBuiltin(_import);
+	for (auto const& alias: _import.symbolAliases())
+	{
+		if (auto aliasName = alias.second.get())
+			for (string const name: m_globals)
+				if (name == *aliasName)
+					warning(_import.location(), "Shadowing builtin symbol \"" + name + "\".");
+	}
 	return true;
 }