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-rw-r--r--libsolidity/analysis/TypeChecker.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 67c8ac17..adb3d54f 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -75,7 +75,10 @@ bool TypeChecker::visit(ContractDefinition const& _contract)
checkContractAbstractConstructors(_contract);
FunctionDefinition const* function = _contract.constructor();
- if (function) {
+ if (function)
+ {
+ if (!function->isPublic())
+ _contract.annotation().hasPublicConstructor = false;
if (!function->returnParameters().empty())
typeError(function->returnParameterList()->location(), "Non-empty \"returns\" directive for constructor.");
if (function->isDeclaredConst())
@@ -1280,6 +1283,8 @@ void TypeChecker::endVisit(NewExpression const& _newExpression)
fatalTypeError(_newExpression.location(), "Identifier is not a contract.");
if (!contract->annotation().isFullyImplemented)
typeError(_newExpression.location(), "Trying to create an instance of an abstract contract.");
+ if (!contract->annotation().hasPublicConstructor)
+ typeError(_newExpression.location(), "Contract with internal constructor cannot be created directly.");
solAssert(!!m_scope, "");
m_scope->annotation().contractDependencies.insert(contract);