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Reverse order of inheritance in base list.

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Christian 2015-01-26 10:20:46 +01:00
parent 570e49c03a
commit fe37aad4d5
1 changed files with 5 additions and 4 deletions
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9
NameAndTypeResolver.cpp
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@ -111,7 +111,7 @@ void NameAndTypeResolver::linearizeBaseContracts(ContractDefinition& _contract)
{
// order in the lists is from derived to base
// list of lists to linearize, the last element is the list of direct bases
list<list<ContractDefinition const*>> input(1, {&_contract});
list<list<ContractDefinition const*>> input(1, {});
for (ASTPointer<InheritanceSpecifier> const& baseSpecifier: _contract.getBaseContracts())
{
ASTPointer<Identifier> baseName = baseSpecifier->getName();
@ -119,14 +119,15 @@ void NameAndTypeResolver::linearizeBaseContracts(ContractDefinition& _contract)
baseName->getReferencedDeclaration());
if (!base)
BOOST_THROW_EXCEPTION(baseName->createTypeError("Contract expected."));
// "push_back" has the effect that bases mentioned earlier can overwrite members of bases
// mentioned later
input.back().push_back(base);
// "push_front" has the effect that bases mentioned later can overwrite members of bases
// mentioned earlier
input.back().push_front(base);
vector<ContractDefinition const*> const& basesBases = base->getLinearizedBaseContracts();
if (basesBases.empty())
BOOST_THROW_EXCEPTION(baseName->createTypeError("Definition of base has to precede definition of derived contract"));
input.push_front(list<ContractDefinition const*>(basesBases.begin(), basesBases.end()));
}
input.back().push_front(&_contract);
vector<ContractDefinition const*> result = cThreeMerge(input);
if (result.empty())
BOOST_THROW_EXCEPTION(_contract.createTypeError("Linearization of inheritance graph impossible"));