Make the error message from regex commands use the command's syntax string if it exists rather than a generic but

not at all helpful message about not matching some unknown regex...

llvm-svn: 165349

1 files changed, 6 insertions, 3 deletions

diff --git a/lldb/source/Interpreter/CommandObjectRegexCommand.cpp b/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
index 27a67e5e02c..1fc23a372c3 100644
--- a/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
+++ b/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
@@ -82,9 +82,12 @@ CommandObjectRegexCommand::DoExecute
             }
         }
         result.SetStatus(eReturnStatusFailed);
-        result.AppendErrorWithFormat ("Command contents '%s' failed to match any regular expression in the '%s' regex command.\n",
-                                      command,
-                                      m_cmd_name.c_str());
+        if (GetSyntax() != NULL)
+            result.AppendError (GetSyntax());
+        else
+            result.AppendErrorWithFormat ("Command contents '%s' failed to match any regular expression in the '%s' regex command.\n",
+                                          command,
+                                          m_cmd_name.c_str());
         return false;
     }
     result.AppendError("empty command passed to regular expression command");