Initial checkin of lldb code from internal Apple repo.

llvm-svn: 105619

1 files changed, 74 insertions, 0 deletions

diff --git a/lldb/source/Commands/CommandObjectShow.cpp b/lldb/source/Commands/CommandObjectShow.cpp
new file mode 100644
index 00000000000..be6f6888a99
--- /dev/null
+++ b/lldb/source/Commands/CommandObjectShow.cpp
@@ -0,0 +1,74 @@
+//===-- CommandObjectShow.cpp -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectShow.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;
+
+//-------------------------------------------------------------------------
+// CommandObjectShow
+//-------------------------------------------------------------------------
+
+CommandObjectShow::CommandObjectShow () :
+    CommandObject ("show",
+                    "Allows the user to see a single debugger setting variable and its value, or lists them all.",
+                    "show [<setting-variable-name>]")
+{
+}
+
+CommandObjectShow::~CommandObjectShow()
+{
+}
+
+
+bool
+CommandObjectShow::Execute
+(
+    Args& command,
+    CommandContext *context,
+    CommandInterpreter *interpreter,
+    CommandReturnObject &result
+)
+{
+    CommandInterpreter::VariableMap::iterator pos;
+
+    if (command.GetArgumentCount())
+    {
+        // The user requested to see the value of a particular variable.
+
+        const char *var_name = command.GetArgumentAtIndex(0);
+        StateVariable *var = interpreter->GetStateVariable(var_name);
+        if (var)
+        {
+            var->AppendVariableInformation (result);
+            result.SetStatus (eReturnStatusSuccessFinishNoResult);
+        }
+        else
+        {
+            result.AppendErrorWithFormat ("Unrecognized variable '%s'; cannot do 'show' command.\n", var_name);
+            result.SetStatus (eReturnStatusFailed);
+        }
+    }
+    else
+    {
+        // The user didn't specify a particular variable, so show the values of all of them.
+        interpreter->ShowVariableValues(result);
+        result.SetStatus (eReturnStatusSuccessFinishNoResult);
+    }
+
+    return result.Succeeded();
+}