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Add suggestion to error message

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This commit is contained in:
Leonardo Alt
2018-07-17 16:38:36 +01:00
parent 0075f4239a
commit 563e0fc9a7
13 changed files with 27 additions and 30 deletions
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libsolidity/analysis/TypeChecker.cpp
+15 -18
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@@ -1930,6 +1930,9 @@ bool TypeChecker::visit(MemberAccess const& _memberAccess)
else
++it;
}
auto& annotation = _memberAccess.annotation();
if (possibleMembers.size() == 0)
{
if (initialMemberCount == 0)
@@ -1947,11 +1950,20 @@ bool TypeChecker::visit(MemberAccess const& _memberAccess)
" outside of storage."
);
}
string errorMsg = "Member \"" + memberName + "\" not found or not visible "
"after argument-dependent lookup in " + exprType->toString() +
(memberName == "value" ? " - did you forget the \"payable\" modifier?" : ".");
if (exprType->category() == Type::Category::Contract)
for (auto const& addressMember: IntegerType(160, IntegerType::Modifier::Address).nativeMembers(nullptr))
if (addressMember.name == memberName)
{
Identifier const& var = dynamic_cast<Identifier const&>(_memberAccess.expression());
errorMsg += " Use \"address(" + var.name() + ")." + memberName + "\" to access this address member.";
break;
}
m_errorReporter.fatalTypeError(
_memberAccess.location(),
"Member \"" + memberName + "\" not found or not visible "
"after argument-dependent lookup in " + exprType->toString() +
(memberName == "value" ? " - did you forget the \"payable\" modifier?" : ".")
errorMsg
);
}
else if (possibleMembers.size() > 1)
@@ -1962,7 +1974,6 @@ bool TypeChecker::visit(MemberAccess const& _memberAccess)
(memberName == "value" ? " - did you forget the \"payable\" modifier?" : ".")
);
auto& annotation = _memberAccess.annotation();
annotation.referencedDeclaration = possibleMembers.front().declaration;
annotation.type = possibleMembers.front().type;
@@ -1995,20 +2006,6 @@ bool TypeChecker::visit(MemberAccess const& _memberAccess)
if (exprType->category() == Type::Category::Contract)
{
// Warn about using address members on contracts
bool v050 = m_scope->sourceUnit().annotation().experimentalFeatures.count(ExperimentalFeature::V050);
for (auto const& addressMember: IntegerType(160, IntegerType::Modifier::Address).nativeMembers(nullptr))
if (addressMember.name == memberName && *annotation.type == *addressMember.type)
{
solAssert(!v050, "Address member still present on contract in v0.5.0.");
m_errorReporter.warning(
_memberAccess.location(),
"Using contract member \"" + memberName +"\" inherited from the address type is deprecated." +
" Convert the contract to \"address\" type to access the member,"
" for example use \"address(contract)." + memberName + "\" instead."
);
}
// Warn about using send or transfer with a non-payable fallback function.
if (auto callType = dynamic_cast<FunctionType const*>(type(_memberAccess).get()))
{