rdar://problem/11457143 [ER] need "watchpoint command ..."

Add 'watchpoint command add/delete/list' to lldb, plus two .py test files.

llvm-svn: 161638
diff --git a/lldb/source/Interpreter/ScriptInterpreter.cpp b/lldb/source/Interpreter/ScriptInterpreter.cpp
index 5bdb70e..5c6f8eb 100644
--- a/lldb/source/Interpreter/ScriptInterpreter.cpp
+++ b/lldb/source/Interpreter/ScriptInterpreter.cpp
@@ -50,6 +50,17 @@
     result.AppendError ("ScriptInterpreter::GetScriptCommands(StringList &) is not implemented.");
 }
 
+void 
+ScriptInterpreter::CollectDataForWatchpointCommandCallback 
+(
+    WatchpointOptions *bp_options,
+    CommandReturnObject &result
+)
+{
+    result.SetStatus (eReturnStatusFailed);
+    result.AppendError ("ScriptInterpreter::GetScriptCommands(StringList &) is not implemented.");
+}
+
 std::string
 ScriptInterpreter::LanguageToString (lldb::ScriptLanguage language)
 {