diff options
Diffstat (limited to 'libsolidity')
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index f9604794..1d30881c 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -1332,7 +1332,15 @@ void TypeChecker::checkExpressionAssignment(Type const& _type, Expression const& checkExpressionAssignment(_type, *tupleExpression->components().front()); } else if (_type.category() == Type::Category::Mapping) - m_errorReporter.typeError(_expression.location(), "Mappings cannot be assigned to."); + { + bool isLocalOrReturn = false; + if (auto const* identifier = dynamic_cast<Identifier const*>(&_expression)) + if (auto const *variableDeclaration = dynamic_cast<VariableDeclaration const*>(identifier->annotation().referencedDeclaration)) + if (variableDeclaration->isLocalOrReturn()) + isLocalOrReturn = true; + if (!isLocalOrReturn) + m_errorReporter.typeError(_expression.location(), "Mappings cannot be assigned to."); + } } bool TypeChecker::visit(Assignment const& _assignment) |