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[lldb] Use the debugger's asynchronous output stream for progress events.

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Use the debugger's asynchronous output stream for printing progress
events. This allows the active IOHandler to be in charge of printing
them and doing the necessary synchronization.

Differential revision: https://reviews.llvm.org/D121502
This commit is contained in:
Jonas Devlieghere 2022-03-14 10:22:04 -07:00
parent 3568333815
commit c231deb791
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GPG Key ID: 49CC0BD90FDEED4D
1 changed files with 14 additions and 12 deletions
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26
lldb/source/Core/Debugger.cpp
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@ -1750,45 +1750,47 @@ void Debugger::HandleProgressEvent(const lldb::EventSP &event_sp) {
// Determine whether the current output file is an interactive terminal with
// color support. We assume that if we support ANSI escape codes we support
// vt100 escape codes.
File &output = GetOutputFile();
if (!output.GetIsInteractive() || !output.GetIsTerminalWithColors())
File &file = GetOutputFile();
if (!file.GetIsInteractive() || !file.GetIsTerminalWithColors())
return;
StreamSP output = GetAsyncOutputStream();
// Print over previous line, if any.
output.Printf("\r");
output->Printf("\r");
if (data->GetCompleted()) {
// Clear the current line.
output.Printf("\x1B[2K");
output.Flush();
output->Printf("\x1B[2K");
output->Flush();
return;
}
const bool use_color = GetUseColor();
llvm::StringRef ansi_prefix = GetShowProgressAnsiPrefix();
if (!ansi_prefix.empty())
output.Printf(
output->Printf(
"%s", ansi::FormatAnsiTerminalCodes(ansi_prefix, use_color).c_str());
// Print the progress message.
std::string message = data->GetMessage();
if (data->GetTotal() != UINT64_MAX) {
output.Printf("[%" PRIu64 "/%" PRIu64 "] %s...", data->GetCompleted(), data->GetTotal(),
message.c_str());
output->Printf("[%" PRIu64 "/%" PRIu64 "] %s...", data->GetCompleted(),
data->GetTotal(), message.c_str());
} else {
output.Printf("%s...", message.c_str());
output->Printf("%s...", message.c_str());
}
llvm::StringRef ansi_suffix = GetShowProgressAnsiSuffix();
if (!ansi_suffix.empty())
output.Printf(
output->Printf(
"%s", ansi::FormatAnsiTerminalCodes(ansi_suffix, use_color).c_str());
// Clear until the end of the line.
output.Printf("\x1B[K\r");
output->Printf("\x1B[K\r");
// Flush the output.
output.Flush();
output->Flush();
}
bool Debugger::HasIOHandlerThread() { return m_io_handler_thread.IsJoinable(); }