From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 lldb/source/Core/IOHandler.cpp | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'lldb/source/Core/IOHandler.cpp')

diff --git a/lldb/source/Core/IOHandler.cpp b/lldb/source/Core/IOHandler.cpp
index 4021a6d7f327..6cf09aaa7f9d 100644
--- a/lldb/source/Core/IOHandler.cpp
+++ b/lldb/source/Core/IOHandler.cpp
@@ -1,4 +1,4 @@
-//===-- IOHandler.cpp -------------------------------------------*- C++ -*-===//
+//===-- IOHandler.cpp -----------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -125,6 +125,8 @@ void IOHandlerStack::PrintAsync(Stream *stream, const char *s, size_t len) {
     std::lock_guard<std::recursive_mutex> guard(m_mutex);
     if (m_top)
       m_top->PrintAsync(stream, s, len);
+    else
+      stream->Write(s, len);
   }
 }
 
@@ -251,9 +253,9 @@ IOHandlerEditline::IOHandlerEditline(
                  m_input_sp && m_input_sp->GetIsRealTerminal();
 
   if (use_editline) {
-    m_editline_up.reset(new Editline(editline_name, GetInputFILE(),
-                                     GetOutputFILE(), GetErrorFILE(),
-                                     m_color_prompts));
+    m_editline_up = std::make_unique<Editline>(editline_name, GetInputFILE(),
+                                               GetOutputFILE(), GetErrorFILE(),
+                                               m_color_prompts);
     m_editline_up->SetIsInputCompleteCallback(IsInputCompleteCallback, this);
     m_editline_up->SetAutoCompleteCallback(AutoCompleteCallback, this);
     // See if the delegate supports fixing indentation
@@ -287,12 +289,20 @@ void IOHandlerEditline::Deactivate() {
   m_delegate.IOHandlerDeactivated(*this);
 }
 
+void IOHandlerEditline::TerminalSizeChanged() {
+#if LLDB_ENABLE_LIBEDIT
+  if (m_editline_up)
+    m_editline_up->TerminalSizeChanged();
+#endif
+}
+
 // Split out a line from the buffer, if there is a full one to get.
 static Optional<std::string> SplitLine(std::string &line_buffer) {
   size_t pos = line_buffer.find('\n');
   if (pos == std::string::npos)
     return None;
-  std::string line = StringRef(line_buffer.c_str(), pos).rtrim("\n\r");
+  std::string line =
+      std::string(StringRef(line_buffer.c_str(), pos).rtrim("\n\r"));
   line_buffer = line_buffer.substr(pos + 1);
   return line;
 }
@@ -300,7 +310,7 @@ static Optional<std::string> SplitLine(std::string &line_buffer) {
 // If the final line of the file ends without a end-of-line, return
 // it as a line anyway.
 static Optional<std::string> SplitLineEOF(std::string &line_buffer) {
-  if (llvm::all_of(line_buffer, isspace))
+  if (llvm::all_of(line_buffer, llvm::isSpace))
     return None;
   std::string line = std::move(line_buffer);
   line_buffer.clear();
@@ -443,7 +453,7 @@ const char *IOHandlerEditline::GetPrompt() {
 }
 
 bool IOHandlerEditline::SetPrompt(llvm::StringRef prompt) {
-  m_prompt = prompt;
+  m_prompt = std::string(prompt);
 
 #if LLDB_ENABLE_LIBEDIT
   if (m_editline_up)
@@ -458,7 +468,7 @@ const char *IOHandlerEditline::GetContinuationPrompt() {
 }
 
 void IOHandlerEditline::SetContinuationPrompt(llvm::StringRef prompt) {
-  m_continuation_prompt = prompt;
+  m_continuation_prompt = std::string(prompt);
 
 #if LLDB_ENABLE_LIBEDIT
   if (m_editline_up)
-- 
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