1 files changed, 95 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectAppend.cpp b/lldb/source/Commands/CommandObjectAppend.cpp
new file mode 100644
index 00000000000..613b85b4be9
--- /dev/null
+++ b/lldb/source/Commands/CommandObjectAppend.cpp
@@ -0,0 +1,95 @@
+//===-- CommandObjectAppend.cpp ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectAppend.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//-----------------------------------------------------------------------------
+// CommandObjectAppend
+//-----------------------------------------------------------------------------
+
+CommandObjectAppend::CommandObjectAppend () :
+    CommandObject ("append",
+                   "Allows the user to append a value to a single debugger setting variable, for settings that are of list types. Type 'settings' to see a list of debugger setting variables",
+                   "append <var-name> <value-string>")
+{
+}
+
+CommandObjectAppend::~CommandObjectAppend ()
+{
+}
+
+bool
+CommandObjectAppend::Execute
+(
+    Args& command,
+    CommandContext *context,
+    CommandInterpreter *interpreter,
+    CommandReturnObject &result
+)
+{
+    CommandInterpreter::VariableMap::iterator pos;
+
+    const int argc = command.GetArgumentCount();
+    if (argc < 2)
+    {
+        result.AppendError ("'append' requires at least two arguments");
+        result.SetStatus (eReturnStatusFailed);
+        return false;
+    }
+
+    const char *var_name = command.GetArgumentAtIndex(0);
+    command.Shift();
+
+
+    if (var_name == NULL || var_name[0] == '\0')
+    {
+        result.AppendError ("'set' command requires a valid variable name. No value supplied");
+        result.SetStatus (eReturnStatusFailed);
+    }
+    else
+    {
+        StateVariable *var = interpreter->GetStateVariable(var_name);
+        if (var == NULL)
+        {
+            result.AppendErrorWithFormat ("'%s' is not a settable internal variable.\n", var_name);
+            result.SetStatus (eReturnStatusFailed);
+        }
+        else
+        {
+            if (var->GetType() == StateVariable::eTypeString)
+            {
+                for (int i = 0; i < command.GetArgumentCount(); ++i)
+                    var->AppendStringValue (command.GetArgumentAtIndex(i));
+                result.SetStatus (eReturnStatusSuccessFinishNoResult);
+            }
+            else if (var->GetType() == StateVariable::eTypeStringArray)
+            {
+                var->GetArgs().AppendArguments (command);
+                result.SetStatus (eReturnStatusSuccessFinishNoResult);
+            }
+            else
+            {
+                result.AppendErrorWithFormat ("Values cannot be appended to variable '%s'.  Try 'set' instead.\n", var_name);
+                result.SetStatus (eReturnStatusFailed);
+            }
+        }
+    }
+    return result.Succeeded();
+}
+