Reimplement EventDataBytes::Dump to avoid DumpDataExtractor

This is the only external non-trivial dependency of the Event classes.

llvm-svn: 337819

lldb/source/Core/Event.cpp

@@ -10,7 +10,6 @@
 #include "lldb/Core/Event.h"
 
 #include "lldb/Core/Broadcaster.h"
-#include "lldb/Core/DumpDataExtractor.h"
 #include "lldb/Utility/DataExtractor.h"
 #include "lldb/Utility/Endian.h"
 #include "lldb/Utility/Stream.h"
@@ -134,14 +133,13 @@ const ConstString &EventDataBytes::GetFlavor() const {
 void EventDataBytes::Dump(Stream *s) const {
   size_t num_printable_chars =
       std::count_if(m_bytes.begin(), m_bytes.end(), isprint);
-  if (num_printable_chars == m_bytes.size()) {
-    s->Printf("\"%s\"", m_bytes.c_str());
-  } else if (!m_bytes.empty()) {
-    DataExtractor data;
-    data.SetData(m_bytes.data(), m_bytes.size(), endian::InlHostByteOrder());
-    DumpDataExtractor(data, s, 0, eFormatBytes, 1, m_bytes.size(), 32,
-                      LLDB_INVALID_ADDRESS, 0, 0);
-  }
+  if (num_printable_chars == m_bytes.size())
+    s->Format("\"{0}\"", m_bytes);
+  else
+    s->Format("{0:$[ ]@[x-2]}", llvm::make_range(
+                         reinterpret_cast<const uint8_t *>(m_bytes.data()),
+                         reinterpret_cast<const uint8_t *>(m_bytes.data() +
+                                                           m_bytes.size())));
 }
 
 const void *EventDataBytes::GetBytes() const {

lldb/unittests/Core/CMakeLists.txt

@@ -1,6 +1,7 @@
 add_lldb_unittest(LLDBCoreTests
   BroadcasterTest.cpp
   DataExtractorTest.cpp
+  EventTest.cpp
   ListenerTest.cpp
   ScalarTest.cpp
   StateTest.cpp

lldb/unittests/Core/EventTest.cpp

@@ -0,0 +1,25 @@
+//===-- EventTest.cpp -------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/Event.h"
+#include "lldb/Utility/StreamString.h"
+#include "gtest/gtest.h"
+
+using namespace lldb_private;
+
+static std::string to_string(const EventDataBytes &E) {
+  StreamString S;
+  E.Dump(&S);
+  return S.GetString();
+}
+
+TEST(EventTest, DumpEventDataBytes) {
+  EXPECT_EQ(R"("foo")", to_string(EventDataBytes("foo")));
+  EXPECT_EQ("01 02 03", to_string(EventDataBytes("\x01\x02\x03")));
+}