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Ensure contract order in suggestion is equal to inheritance order

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This commit is contained in:
Mathias Baumann 2020-03-02 16:21:03 +01:00
parent c42f4d8335
commit b2b45cc97b
3 changed files with 20 additions and 10 deletions
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21
libsolidity/analysis/OverrideChecker.cpp
View File

@ -565,18 +565,17 @@ void OverrideChecker::checkOverride(OverrideProxy const& _overriding, OverridePr
void OverrideChecker::overrideListError(
OverrideProxy const& _item,
set<ContractDefinition const*, CompareByID> _secondary,
vector<ContractDefinition const*> _secondary,
string const& _message1,
string const& _message2
)
{
// Using a set rather than a vector so the order is always the same
set<string> names;
vector<string> names;
SecondarySourceLocation ssl;
for (Declaration const* c: _secondary)
{
ssl.append("This contract: ", c->location());
names.insert("\"" + c->name() + "\"");
names.emplace_back("\"" + c->name() + "\"");
}
string contractSingularPlural = "contract ";
if (_secondary.size() > 1)
@ -823,18 +822,28 @@ void OverrideChecker::checkOverrideList(OverrideProxy _item, OverrideProxyBySign
missingContracts = expectedContracts - specifiedContracts;
if (!missingContracts.empty())
{
vector<ContractDefinition const*> sortedMissingContracts;
for (size_t i = _item.contract().annotation().linearizedBaseContracts.size() - 1; i > 0; i--)
{
auto contract = _item.contract().annotation().linearizedBaseContracts[i];
if (missingContracts.count(contract))
sortedMissingContracts.emplace_back(contract);
}
overrideListError(
_item,
missingContracts,
sortedMissingContracts,
_item.astNodeNameCapitalized() + " needs to specify overridden ",
""
);
}
auto surplusContracts = specifiedContracts - expectedContracts;
if (!surplusContracts.empty())
overrideListError(
_item,
surplusContracts,
util::convertContainer<vector<ContractDefinition const*>>(surplusContracts),
"Invalid ",
"specified in override list: "
);

2
libsolidity/analysis/OverrideChecker.h
View File

@ -157,7 +157,7 @@ private:
void checkOverride(OverrideProxy const& _overriding, OverrideProxy const& _super);
void overrideListError(
OverrideProxy const& _item,
std::set<ContractDefinition const*, CompareByID> _secondary,
std::vector<ContractDefinition const*> _secondary,
std::string const& _message1,
std::string const& _message2
);

7
test/libsolidity/syntaxTests/inheritance/interface/overrides_multiple.sol
View File

@ -14,7 +14,7 @@ interface SuperB {
function test5() external returns (uint256);
}
interface Sub is SuperA, SuperB {
interface Sub is SuperB, SuperA {
function test1() external returns (uint256);
function test2() external override returns (uint256);
function test3() external override(SuperA) returns (uint256);
@ -25,7 +25,8 @@ interface Sub is SuperA, SuperB {
// ----
// TypeError: (572-616): Overriding function is missing "override" specifier.
// TypeError: (572-616): Overriding function is missing "override" specifier.
// TypeError: (572-616): Function needs to specify overridden contracts "SuperA" and "SuperB".
// TypeError: (647-655): Function needs to specify overridden contracts "SuperA" and "SuperB".
// TypeError: (572-616): Function needs to specify overridden contracts "SuperB" and "SuperA".
// TypeError: (647-655): Function needs to specify overridden contracts "SuperB" and "SuperA".
// TypeError: (705-721): Function needs to specify overridden contract "SuperB".
// TypeError: (771-787): Function needs to specify overridden contract "SuperA".
// Warning: (837-861): Override specifier list order differs from inheritance order.