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Properly disallow different return types for interface overloads with different visibilities.

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This commit is contained in:
chriseth
2018-11-26 16:51:28 +01:00
parent f937896727
commit 4d7799eed4
1 changed files with 3 additions and 3 deletions
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libsolidity/analysis/TypeChecker.cpp
+3 -3
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@@ -409,6 +409,8 @@ void TypeChecker::checkFunctionOverride(FunctionDefinition const& _function, Fun
if (!functionType->hasEqualParameterTypes(*superType))
return;
if (!functionType->hasEqualReturnTypes(*superType))
overrideError(_function, _super, "Overriding function return types differ.");
if (!_function.annotation().superFunction)
_function.annotation().superFunction = &_super;
@@ -423,7 +425,7 @@ void TypeChecker::checkFunctionOverride(FunctionDefinition const& _function, Fun
))
overrideError(_function, _super, "Overriding function visibility differs.");
}
else if (_function.stateMutability() != _super.stateMutability())
if (_function.stateMutability() != _super.stateMutability())
overrideError(
_function,
_super,
@@ -433,8 +435,6 @@ void TypeChecker::checkFunctionOverride(FunctionDefinition const& _function, Fun
stateMutabilityToString(_function.stateMutability()) +
"\"."
);
else if (*functionType != *superType)
overrideError(_function, _super, "Overriding function return types differ.");
}
void TypeChecker::overrideError(FunctionDefinition const& function, FunctionDefinition const& super, string message)