1 files changed, 51 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Commands/CommandObjectTrace.h b/contrib/llvm-project/lldb/source/Commands/CommandObjectTrace.h
new file mode 100644
index 000000000000..b96a3094cefc
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Commands/CommandObjectTrace.h
@@ -0,0 +1,51 @@
+//===-- CommandObjectTrace.h ------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H
+#define LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H
+
+#include "CommandObjectThreadUtil.h"
+
+namespace lldb_private {
+
+class CommandObjectTrace : public CommandObjectMultiword {
+public:
+  CommandObjectTrace(CommandInterpreter &interpreter);
+
+  ~CommandObjectTrace() override;
+};
+
+/// This class works by delegating the logic to the actual trace plug-in that
+/// can support the current process.
+class CommandObjectTraceProxy : public CommandObjectProxy {
+public:
+  CommandObjectTraceProxy(bool live_debug_session_only,
+                          CommandInterpreter &interpreter, const char *name,
+                          const char *help = nullptr,
+                          const char *syntax = nullptr, uint32_t flags = 0)
+      : CommandObjectProxy(interpreter, name, help, syntax, flags),
+        m_live_debug_session_only(live_debug_session_only) {}
+
+protected:
+  virtual lldb::CommandObjectSP GetDelegateCommand(Trace &trace) = 0;
+
+  llvm::Expected<lldb::CommandObjectSP> DoGetProxyCommandObject();
+
+  CommandObject *GetProxyCommandObject() override;
+
+private:
+  llvm::StringRef GetUnsupportedError() override { return m_delegate_error; }
+
+  bool m_live_debug_session_only;
+  lldb::CommandObjectSP m_delegate_sp;
+  std::string m_delegate_error;
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_SOURCE_COMMANDS_COMMANDOBJECTTRACE_H