Reapply "Refactor log channel registration mechanism"

Changes wrt. previous version:
- add #include <atomic>: fix build on windows
- add extra {} around the string literals used to initialize
  llvm::StringLiteral: fix gcc build

llvm-svn: 295442

1 files changed, 0 insertions, 87 deletions

diff --git a/lldb/source/Core/PluginManager.cpp b/lldb/source/Core/PluginManager.cpp
index 91d640d641d..71a0f6eccea 100644
--- a/lldb/source/Core/PluginManager.cpp
+++ b/lldb/source/Core/PluginManager.cpp
@@ -1167,93 +1167,6 @@ PluginManager::GetObjectContainerGetModuleSpecificationsCallbackAtIndex(
   return nullptr;
 }
 
-#pragma mark LogChannel
-
-struct LogInstance {
-  LogInstance() : name(), description(), create_callback(nullptr) {}
-
-  ConstString name;
-  std::string description;
-  LogChannelCreateInstance create_callback;
-};
-
-typedef std::vector<LogInstance> LogInstances;
-
-static std::recursive_mutex &GetLogMutex() {
-  static std::recursive_mutex g_instances_mutex;
-  return g_instances_mutex;
-}
-
-static LogInstances &GetLogInstances() {
-  static LogInstances g_instances;
-  return g_instances;
-}
-
-bool PluginManager::RegisterPlugin(const ConstString &name,
-                                   const char *description,
-                                   LogChannelCreateInstance create_callback) {
-  if (create_callback) {
-    LogInstance instance;
-    assert((bool)name);
-    instance.name = name;
-    if (description && description[0])
-      instance.description = description;
-    instance.create_callback = create_callback;
-    std::lock_guard<std::recursive_mutex> gard(GetLogMutex());
-    GetLogInstances().push_back(instance);
-  }
-  return false;
-}
-
-bool PluginManager::UnregisterPlugin(LogChannelCreateInstance create_callback) {
-  if (create_callback) {
-    std::lock_guard<std::recursive_mutex> gard(GetLogMutex());
-    LogInstances &instances = GetLogInstances();
-
-    LogInstances::iterator pos, end = instances.end();
-    for (pos = instances.begin(); pos != end; ++pos) {
-      if (pos->create_callback == create_callback) {
-        instances.erase(pos);
-        return true;
-      }
-    }
-  }
-  return false;
-}
-
-const char *PluginManager::GetLogChannelCreateNameAtIndex(uint32_t idx) {
-  std::lock_guard<std::recursive_mutex> gard(GetLogMutex());
-  LogInstances &instances = GetLogInstances();
-  if (idx < instances.size())
-    return instances[idx].name.GetCString();
-  return nullptr;
-}
-
-LogChannelCreateInstance
-PluginManager::GetLogChannelCreateCallbackAtIndex(uint32_t idx) {
-  std::lock_guard<std::recursive_mutex> gard(GetLogMutex());
-  LogInstances &instances = GetLogInstances();
-  if (idx < instances.size())
-    return instances[idx].create_callback;
-  return nullptr;
-}
-
-LogChannelCreateInstance
-PluginManager::GetLogChannelCreateCallbackForPluginName(
-    const ConstString &name) {
-  if (name) {
-    std::lock_guard<std::recursive_mutex> gard(GetLogMutex());
-    LogInstances &instances = GetLogInstances();
-
-    LogInstances::iterator pos, end = instances.end();
-    for (pos = instances.begin(); pos != end; ++pos) {
-      if (name == pos->name)
-        return pos->create_callback;
-    }
-  }
-  return nullptr;
-}
-
 #pragma mark Platform
 
 struct PlatformInstance {