public static bool IsExternalFunctionCall(TranslatorContext context, FunctionCall node)
{
if (node.Expression is MemberAccess memberAccess)
{
if (memberAccess.Expression is Identifier identifier)
{
if (identifier.Name == "this")
{
return(true);
}
if (identifier.Name == "super")
{
return(true);
}
if (!context.HasASTNodeId(identifier.ReferencedDeclaration))
{
return(true);
}
var contract = context.GetASTNodeById(identifier.ReferencedDeclaration) as ContractDefinition;
if (contract == null)
{
return(true);
}
}
else if (memberAccess.Expression is MemberAccess structSelect)
{
//a.b.c.foo(...)
//TODO: do we want to check that the contract the struct variable is declared
// is not in the "context"? Why this isn't done for IndexAccess?
return(true);
}
else if (memberAccess.Expression.ToString().Equals("msg.sender"))
{
// calls can be of the form "msg.sender.call()" or "msg.sender.send()" or "msg.sender.transfer()"
return(true);
}
else if (memberAccess.Expression is FunctionCall)
{
// TODO: example?
return(true);
}
else if (memberAccess.Expression is IndexAccess)
{
//a[i].foo(..)
return(true);
}
else if (memberAccess.Expression is TupleExpression)
{
return(true);
}
}
return(false);
}