void FunctionArgsOrderChecker::preCheckNode(const ast::Exp & e, SLintContext & context, SLintResult & result)
{
const ast::CallExp & ce = static_cast<const ast::CallExp &>(e);
if (ce.getName().isSimpleVar())
{
ast::exps_t args = ce.getArgs();
std::map<symbol::Symbol, unsigned int> assignments;
unsigned int pos = 1;
for (const auto arg : args)
{
if (arg->isAssignExp())
{
const ast::AssignExp & ae = *static_cast<const ast::AssignExp *>(arg);
if (ae.getLeftExp().isSimpleVar())
{
assignments.emplace(static_cast<ast::SimpleVar &>(ae.getLeftExp()).getSymbol(), pos);
}
}
else if (!assignments.empty())
{
result.report(context, e.getLocation(), *this, _("Argument at position %d must be an assignment."), pos);
}
++pos;
}
if (!assignments.empty())
{
const std::wstring & name = static_cast<const ast::SimpleVar &>(ce.getName()).getSymbol().getName();
const ast::FunctionDec * fundec = context.getPublicFunction(name);
if (!fundec)
{
fundec = context.getPrivateFunction(name);
}
if (fundec)
{
const ast::exps_t & funargs = fundec->getArgs().getVars();
pos = 1;
for (const auto arg : funargs)
{
const symbol::Symbol & sym = static_cast<const ast::SimpleVar *>(arg)->getSymbol();
auto i = assignments.find(sym);
if (i != assignments.end())
{
if (pos != i->second)
{
result.report(context, e.getLocation(), *this, _("Argument %s declared at position %d and assigned at position %d."), sym.getName(), pos, i->second);
}
}
++pos;
}
}
}
}
}
