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Merge pull request #7713 from ethereum/no-lib-instance-7625

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Disallow variables of library types
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chriseth
2019-11-14 13:39:56 +01:00
committed by GitHub
parent a667384517 0891b9451b
commit 766309b6e4
5 changed files with 28 additions and 4 deletions
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libsolidity/analysis/TypeChecker.cpp
+3
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@@ -450,6 +450,9 @@ bool TypeChecker::visit(VariableDeclaration const& _variable)
TypePointer varType = _variable.annotation().type;
solAssert(!!varType, "Variable type not provided.");
if (auto contractType = dynamic_cast<ContractType const*>(varType))
if (contractType->contractDefinition().isLibrary())
m_errorReporter.typeError(_variable.location(), "The type of a variable cannot be a library.");
if (_variable.value())
expectType(*_variable.value(), *varType);
if (_variable.isConstant())