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Merge pull request #10995 from ethereum/function-call-graph-remove-contract-reference

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Remove contract reference from function call graph
This commit is contained in:
chriseth 2021-02-23 14:20:05 +01:00 committed by GitHub
commit ddc8692af6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 17 deletions
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25
libsolidity/analysis/FunctionCallGraph.cpp
View File

@ -69,8 +69,6 @@ CallGraph FunctionCallGraphBuilder::buildDeployedGraph(
CallGraph const& _creationGraph
)
{
solAssert(&_creationGraph.contract == &_contract, "");
FunctionCallGraphBuilder builder(_contract);
solAssert(builder.m_currentNode == CallGraph::Node(CallGraph::SpecialNode::Entry), "");
@ -150,7 +148,7 @@ bool FunctionCallGraphBuilder::visit(Identifier const& _identifier)
// For events kind() == Event, so we have an extra check here
if (funType && funType->kind() == FunctionType::Kind::Internal)
functionReferenced(callable->resolveVirtual(m_graph.contract), _identifier.annotation().calledDirectly);
functionReferenced(callable->resolveVirtual(m_contract), _identifier.annotation().calledDirectly);
}
return true;
@ -171,8 +169,8 @@ bool FunctionCallGraphBuilder::visit(MemberAccess const& _memberAccess)
{
solAssert(contractType->isSuper(), "");
functionDef = &functionDef->resolveVirtual(
m_graph.contract,
contractType->contractDefinition().superContract(m_graph.contract)
m_contract,
contractType->contractDefinition().superContract(m_contract)
);
}
}
@ -191,7 +189,7 @@ bool FunctionCallGraphBuilder::visit(ModifierInvocation const& _modifierInvocati
VirtualLookup const& requiredLookup = *_modifierInvocation.name().annotation().requiredLookup;
if (requiredLookup == VirtualLookup::Virtual)
functionReferenced(modifier->resolveVirtual(m_graph.contract));
functionReferenced(modifier->resolveVirtual(m_contract));
else
{
solAssert(requiredLookup == VirtualLookup::Static, "");
@ -264,13 +262,14 @@ ostream& solidity::frontend::operator<<(ostream& _out, CallGraph::Node const& _n
if (holds_alternative<CallGraph::SpecialNode>(_node))
switch (get<CallGraph::SpecialNode>(_node))
{
case CallGraph::SpecialNode::InternalDispatch:
_out << "InternalDispatch";
break;
case CallGraph::SpecialNode::Entry:
_out << "Entry";
break;
default: solAssert(false, "Invalid SpecialNode type");
case CallGraph::SpecialNode::InternalDispatch:
_out << "InternalDispatch";
break;
case CallGraph::SpecialNode::Entry:
_out << "Entry";
break;
default:
solAssert(false, "Invalid SpecialNode type");
}
else
{

4
libsolidity/analysis/FunctionCallGraph.h
View File

@ -65,7 +65,8 @@ public:
private:
FunctionCallGraphBuilder(ContractDefinition const& _contract):
m_graph{_contract, {}, {}, {}} {}
m_contract(_contract),
m_graph{{}, {}, {}} {}
bool visit(FunctionCall const& _functionCall) override;
bool visit(EmitStatement const& _emitStatement) override;
@ -81,6 +82,7 @@ private:
void functionReferenced(CallableDeclaration const& _callable, bool _calledDirectly = true);
CallGraph::Node m_currentNode = CallGraph::SpecialNode::Entry;
ContractDefinition const& m_contract;
CallGraph m_graph;
std::deque<CallableDeclaration const*> m_visitQueue;
};

3
libsolidity/ast/CallGraph.h
View File

@ -56,9 +56,6 @@ struct CallGraph
bool operator()(int64_t _lhs, Node const& _rhs) const;
};
/// Contract for which this is the graph
ContractDefinition const& contract;
/// Graph edges. Edges are directed and lead from the caller to the callee.
/// The map contains a key for every possible caller, even if does not actually perform
/// any calls.