JDevlieghere added inline comments.
================
Comment at:
lldb/source/Plugins/ExpressionParser/Clang/ClangModulesDeclVendor.cpp:228
void StoringDiagnosticConsumer::SetCurrentModuleProgress(
- llvm::StringRef module_name) {
- // Ensure the ordering of:
- // 1. Completing the existing progress event.
- // 2. Beginining a new progress event.
- m_current_progress_up = nullptr;
- m_current_progress_up = std::make_unique<Progress>(
- llvm::formatv("Currently building module {0}", module_name));
+ const std::string &module_name) {
+ if (!m_current_progress_up)
----------------
kastiglione wrote:
> JDevlieghere wrote:
> > `Progress::Increment` is taking a `std::string` by value, so if you think
> > this will ever get called with an r-value reference, you should do the same
> > and `std::move` it. Otherwise the StringRef or the `const std::string&`
> > both require a copy.
> Understood. The module names are references, I could change this function to
> take a `string &&`, but that would move the copy to the callee rather than
> here. Either way, I don't see a way to avoid a copy.
Yeah if you don't have an r-value reference it cannot be avoided, but I think
it's still best to make this take it by value so in case there ever is one in
the caller to this function, it is avoided.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D147248/new/
https://reviews.llvm.org/D147248
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