Add a logging mode that takes a callback and flush'es to that callback.
Also add SB API's to set this callback, and to enable the log channels.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@151018 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/lldb-log.cpp b/source/lldb-log.cpp
index b02dd25..4080bd8 100644
--- a/source/lldb-log.cpp
+++ b/source/lldb-log.cpp
@@ -98,20 +98,19 @@
 }
 
 void
-lldb_private::DisableLog (Args &args, Stream *feedback_strm)
+lldb_private::DisableLog (const char **categories, Stream *feedback_strm)
 {
     LogSP log(GetLog ());
 
     if (log)
     {
         uint32_t flag_bits = 0;
-        const size_t argc = args.GetArgumentCount ();
-        if (argc > 0)
+        if (categories[0] != NULL)
         {
             flag_bits = log->GetMask().Get();
-            for (size_t i = 0; i < argc; ++i)
+            for (size_t i = 0; categories[i] != NULL; ++i)
             {
-                const char *arg = args.GetArgumentAtIndex (i);
+                const char *arg = categories[i];
 
                 if      (0 == ::strcasecmp(arg, "all"))         flag_bits &= ~LIBLLDB_LOG_ALL;
                 else if (0 == ::strcasecmp(arg, "api"))         flag_bits &= ~LIBLLDB_LOG_API;
@@ -155,7 +154,7 @@
 }
 
 LogSP
-lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, Stream *feedback_strm)
+lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **categories, Stream *feedback_strm)
 {
     // Try see if there already is a log - that way we can reuse its settings.
     // We could reuse the log in toto, but we don't know that the stream is the same.
@@ -176,10 +175,9 @@
     if (log)
     {
         bool got_unknown_category = false;
-        const size_t argc = args.GetArgumentCount();
-        for (size_t i=0; i<argc; ++i)
+        for (size_t i=0; categories[i] != NULL; ++i)
         {
-            const char *arg = args.GetArgumentAtIndex(i);
+            const char *arg = categories[i];
 
             if      (0 == ::strcasecmp(arg, "all"))         flag_bits |= LIBLLDB_LOG_ALL;
             else if (0 == ::strcasecmp(arg, "api"))         flag_bits |= LIBLLDB_LOG_API;