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Introduce inContractKind helper on FunctionDefinition

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This commit is contained in:
Alex Beregszaszi
2018-03-26 11:37:38 +01:00
parent ef3595b000
commit 8bae2dba7c
3 changed files with 14 additions and 11 deletions
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libsolidity/analysis/TypeChecker.cpp
+5 -11
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@@ -366,16 +366,6 @@ void TypeChecker::checkContractIllegalOverrides(ContractDefinition const& _contr
}
}
namespace {
bool functionIsInInterface(FunctionDefinition const& _function)
{
return dynamic_cast<ContractDefinition const*>(_function.scope()) &&
dynamic_cast<ContractDefinition const*>(_function.scope())->contractKind() == ContractDefinition::ContractKind::Interface;
}
}
void TypeChecker::checkFunctionOverride(FunctionDefinition const& function, FunctionDefinition const& super)
{
FunctionType functionType(function);
@@ -390,7 +380,11 @@ void TypeChecker::checkFunctionOverride(FunctionDefinition const& function, Func
if (function.visibility() != super.visibility())
{
// visibility is enforced to be external in interfaces, but a contract can override that with public
if (functionIsInInterface(super) && !functionIsInInterface(function) && function.visibility() == FunctionDefinition::Visibility::Public)
if (
super.inContractKind() == ContractDefinition::ContractKind::Interface &&
function.inContractKind() != ContractDefinition::ContractKind::Interface &&
function.visibility() == FunctionDefinition::Visibility::Public
)
return;
overrideError(function, super, "Overriding function visibility differs.");
}