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Implicit conversion from derived to base.

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This commit is contained in:
Christian 2015-01-19 23:34:49 +01:00
parent ddf5e20d10
commit 417f9c03d0
1 changed files with 8 additions and 1 deletions
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9
Types.cpp
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@ -431,12 +431,19 @@ bool ContractType::isImplicitlyConvertibleTo(Type const& _convertTo) const
return true; return true;
if (_convertTo.getCategory() == Category::INTEGER) if (_convertTo.getCategory() == Category::INTEGER)
return dynamic_cast<IntegerType const&>(_convertTo).isAddress(); return dynamic_cast<IntegerType const&>(_convertTo).isAddress();
if (_convertTo.getCategory() == Category::CONTRACT)
{
auto const& bases = getContractDefinition().getLinearizedBaseContracts();
return find(bases.begin(), bases.end(),
&dynamic_cast<ContractType const&>(_convertTo).getContractDefinition()) != bases.end();
}
return false; return false;
} }
bool ContractType::isExplicitlyConvertibleTo(Type const& _convertTo) const bool ContractType::isExplicitlyConvertibleTo(Type const& _convertTo) const
{ {
return isImplicitlyConvertibleTo(_convertTo) || _convertTo.getCategory() == Category::INTEGER; return isImplicitlyConvertibleTo(_convertTo) || _convertTo.getCategory() == Category::INTEGER ||
_convertTo.getCategory() == Category::CONTRACT;
} }
TypePointer ContractType::unaryOperatorResult(Token::Value _operator) const TypePointer ContractType::unaryOperatorResult(Token::Value _operator) const