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Unify function call resolve function used in Analysis & Yul CodeGen

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This commit is contained in:
Mathias Baumann
2021-06-07 15:23:32 +02:00
parent 1f8f1a3db9
commit 6a0313c456
5 changed files with 60 additions and 101 deletions
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libsolidity/ast/AST.cpp
+44
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@@ -57,6 +57,50 @@ Declaration const* ASTNode::referencedDeclaration(Expression const& _expression)
return nullptr;
}
FunctionDefinition const* ASTNode::resolveFunctionCall(FunctionCall const& _functionCall, ContractDefinition const* _mostDerivedContract)
{
auto const* functionDef = dynamic_cast<FunctionDefinition const*>(
ASTNode::referencedDeclaration(_functionCall.expression())
);
if (!functionDef)
return nullptr;
if (auto const* memberAccess = dynamic_cast<MemberAccess const*>(&_functionCall.expression()))
{
if (*memberAccess->annotation().requiredLookup == VirtualLookup::Super)
{
if (auto const typeType = dynamic_cast<TypeType const*>(memberAccess->expression().annotation().type))
if (auto const contractType = dynamic_cast<ContractType const*>(typeType->actualType()))
{
solAssert(_mostDerivedContract, "");
solAssert(contractType->isSuper(), "");
ContractDefinition const* superContract = contractType->contractDefinition().superContract(*_mostDerivedContract);
return &functionDef->resolveVirtual(
*_mostDerivedContract,
superContract
);
}
}
else
solAssert(*memberAccess->annotation().requiredLookup == VirtualLookup::Static, "");
}
else if (auto const* identifier = dynamic_cast<Identifier const*>(&_functionCall.expression()))
{
solAssert(*identifier->annotation().requiredLookup == VirtualLookup::Virtual, "");
if (functionDef->virtualSemantics())
{
solAssert(_mostDerivedContract, "");
return &functionDef->resolveVirtual(*_mostDerivedContract);
}
}
else
solAssert(false, "");
return functionDef;
}
ASTAnnotation& ASTNode::annotation() const
{
if (!m_annotation)