Check for import aliases

ethereum · May 3, 2017 · 5d199cf · 5d199cf
1 parent 71c1fb8
commit 5d199cf
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/libsolidity/analysis/StaticAnalyzer.cpp b/libsolidity/analysis/StaticAnalyzer.cpp
@@ -150,6 +150,13 @@ 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;
 }