Added the ability to log when things get completed in DWARF. This can be enabled using:

(lldb) log enable --verbose lldb completion

This will print out backtraces for all type completion calls which will help us verify that we don't ever complete a type when we don't need to.

llvm-svn: 153787

1 files changed, 20 insertions, 17 deletions

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/LogChannelDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/LogChannelDWARF.cpp
index 76acd896729..bb11f6461d9 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/LogChannelDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/LogChannelDWARF.cpp
@@ -102,14 +102,15 @@ LogChannelDWARF::Disable (const char **categories, Stream *feedback_strm)
     {
          const char *arg = categories[i];
 
-        if      (::strcasecmp (arg, "all")        == 0   ) flag_bits &= ~DWARF_LOG_ALL;
-        else if (::strcasecmp (arg, "info")       == 0   ) flag_bits &= ~DWARF_LOG_DEBUG_INFO;
-        else if (::strcasecmp (arg, "line")       == 0   ) flag_bits &= ~DWARF_LOG_DEBUG_LINE;
-        else if (::strcasecmp (arg, "pubnames")   == 0   ) flag_bits &= ~DWARF_LOG_DEBUG_PUBNAMES;
-        else if (::strcasecmp (arg, "pubtypes")   == 0   ) flag_bits &= ~DWARF_LOG_DEBUG_PUBTYPES;
-        else if (::strcasecmp (arg, "aranges")    == 0   ) flag_bits &= ~DWARF_LOG_DEBUG_ARANGES;
-        else if (::strcasecmp (arg, "lookups")    == 0   ) flag_bits &= ~DWARF_LOG_LOOKUPS;
-        else if (::strcasecmp (arg, "default")    == 0   ) flag_bits &= ~DWARF_LOG_DEFAULT;
+        if      (::strcasecmp (arg, "all")        == 0) flag_bits &= ~DWARF_LOG_ALL;
+        else if (::strcasecmp (arg, "info")       == 0) flag_bits &= ~DWARF_LOG_DEBUG_INFO;
+        else if (::strcasecmp (arg, "line")       == 0) flag_bits &= ~DWARF_LOG_DEBUG_LINE;
+        else if (::strcasecmp (arg, "pubnames")   == 0) flag_bits &= ~DWARF_LOG_DEBUG_PUBNAMES;
+        else if (::strcasecmp (arg, "pubtypes")   == 0) flag_bits &= ~DWARF_LOG_DEBUG_PUBTYPES;
+        else if (::strcasecmp (arg, "aranges")    == 0) flag_bits &= ~DWARF_LOG_DEBUG_ARANGES;
+        else if (::strcasecmp (arg, "lookups")    == 0) flag_bits &= ~DWARF_LOG_LOOKUPS;
+        else if (::strcasecmp (arg, "default")    == 0) flag_bits &= ~DWARF_LOG_DEFAULT;
+        else if (::strncasecmp(arg, "comp", 4)    == 0) flag_bits &= ~DWARF_LOG_TYPE_COMPLETION;
         else
         {
             feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
@@ -144,14 +145,15 @@ LogChannelDWARF::Enable
     {
         const char *arg = categories[i];
 
-        if      (::strcasecmp (arg, "all")        == 0   ) flag_bits |= DWARF_LOG_ALL;
-        else if (::strcasecmp (arg, "info")       == 0   ) flag_bits |= DWARF_LOG_DEBUG_INFO;
-        else if (::strcasecmp (arg, "line")       == 0   ) flag_bits |= DWARF_LOG_DEBUG_LINE;
-        else if (::strcasecmp (arg, "pubnames")   == 0   ) flag_bits |= DWARF_LOG_DEBUG_PUBNAMES;
-        else if (::strcasecmp (arg, "pubtypes")   == 0   ) flag_bits |= DWARF_LOG_DEBUG_PUBTYPES;
-        else if (::strcasecmp (arg, "aranges")    == 0   ) flag_bits |= DWARF_LOG_DEBUG_ARANGES;
-        else if (::strcasecmp (arg, "lookups")    == 0   ) flag_bits |= DWARF_LOG_LOOKUPS;
-        else if (::strcasecmp (arg, "default")    == 0   ) flag_bits |= DWARF_LOG_DEFAULT;
+        if      (::strcasecmp (arg, "all")        == 0) flag_bits |= DWARF_LOG_ALL;
+        else if (::strcasecmp (arg, "info")       == 0) flag_bits |= DWARF_LOG_DEBUG_INFO;
+        else if (::strcasecmp (arg, "line")       == 0) flag_bits |= DWARF_LOG_DEBUG_LINE;
+        else if (::strcasecmp (arg, "pubnames")   == 0) flag_bits |= DWARF_LOG_DEBUG_PUBNAMES;
+        else if (::strcasecmp (arg, "pubtypes")   == 0) flag_bits |= DWARF_LOG_DEBUG_PUBTYPES;
+        else if (::strcasecmp (arg, "aranges")    == 0) flag_bits |= DWARF_LOG_DEBUG_ARANGES;
+        else if (::strcasecmp (arg, "lookups")    == 0) flag_bits |= DWARF_LOG_LOOKUPS;
+        else if (::strcasecmp (arg, "default")    == 0) flag_bits |= DWARF_LOG_DEFAULT;
+        else if (::strncasecmp(arg, "comp", 4)    == 0) flag_bits |= DWARF_LOG_TYPE_COMPLETION;
         else
         {
             feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
@@ -178,7 +180,8 @@ LogChannelDWARF::ListCategories (Stream *strm)
                   "  line - log the parsing if .debug_line\n"
                   "  pubnames - log the parsing if .debug_pubnames\n"
                   "  pubtypes - log the parsing if .debug_pubtypes\n"
-                  "  lookups - log any lookups that happen by name, regex, or address\n\n",
+                  "  lookups - log any lookups that happen by name, regex, or address\n\n"
+                  "  completion - log struct/unions/class type completions\n\n",
                   SymbolFileDWARF::GetPluginNameStatic());
 }