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Allow assignments to local variables of mapping types.

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This commit is contained in:
Daniel Kirchner
2018-08-03 16:22:03 +02:00
parent c0a169ca90
commit 1e4b5886d6
7 changed files with 67 additions and 5 deletions
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libsolidity/analysis/TypeChecker.cpp
+9 -1
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@@ -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)