Enhancement - debug support

- Added debug=on support.
- Added color.debug= support.

src/Att.cpp

@@ -63,21 +63,17 @@ static const char* modifiableNames[] =
   "until",
 };
 
+// Synonyms on the same line.
 static const char* modifierNames[] =
 {
-  "before",
-  "after",
-  "under",
-  "over",
-  "below",
-  "above",
+  "before", "under", "below",
+  "after",  "over",  "above",
   "none",
   "any",
   "is",
-  "isnt",
-  "has",
+  "isnt",   "not",
+  "has",    "contains",
   "hasnt",
-  "contains",
   "startswith",
   "endswith",
 };
@@ -486,7 +482,7 @@ bool Att::match (const Att& other) const
   }
 
   // isnt = not equal.
-  else if (mMod == "isnt") // TODO i18n
+  else if (mMod == "isnt" || mMod == "not") // TODO i18n
   {
     if (mValue == other.mValue)
       return false;

src/Context.cpp

@@ -146,6 +146,11 @@ int Context::run ()
     message (stringtable.get (100, "Unknown error."));
   }
 
+  // Dump all debug messages.
+  if (config.get ("debug", true))
+    foreach (d, debugMessages)
+      std::cout << colorizeDebug (*d) << std::endl;
+
   // Dump all headers.
   foreach (h, headers)
     std::cout << colorizeHeader (*h) << std::endl;
@@ -367,7 +372,7 @@ void Context::parse (
       // The '--' argument shuts off all parsing - everything is an argument.
       if (*arg == "--")
       {
-        header ("parse terminator '" + *arg + "'");
+        debug ("parse terminator '" + *arg + "'");
         terminated = true;
       }
 
@@ -377,7 +382,7 @@ void Context::parse (
                ! foundSomethingAfterSequence &&
                parseSequence.valid (*arg))
       {
-        header ("parse sequence '" + *arg + "'");
+        debug ("parse sequence '" + *arg + "'");
         parseSequence.parse (*arg);
         foundSequence = true;
       }
@@ -387,7 +392,7 @@ void Context::parse (
                (*arg)[0] == '+'   &&
                validTag (*arg))
       {
-        header ("parse tag addition '" + *arg + "'");
+        debug ("parse tag addition '" + *arg + "'");
         if (foundSequence)
           foundSomethingAfterSequence = true;
 
@@ -404,7 +409,7 @@ void Context::parse (
                (*arg)[0] == '-'   &&
                validTag (*arg))
       {
-        header ("parse tag removal '" + *arg + "'");
+        debug ("parse tag removal '" + *arg + "'");
         if (foundSequence)
           foundSomethingAfterSequence = true;
 
@@ -418,7 +423,7 @@ void Context::parse (
       // Atributes - name[.mod]:[value]
       else if (attribute.valid (*arg))
       {
-        header ("parse attribute '" + *arg + "'");
+        debug ("parse attribute '" + *arg + "'");
         if (foundSequence)
           foundSomethingAfterSequence = true;
 
@@ -456,7 +461,7 @@ void Context::parse (
         if (foundSequence)
           foundSomethingAfterSequence = true;
 
-        header ("parse subst '" + *arg + "'");
+        debug ("parse subst '" + *arg + "'");
         parseSubst.parse (*arg);
       }
 
@@ -464,7 +469,7 @@ void Context::parse (
       else if (parseCmd.command == "" &&
                parseCmd.valid (*arg))
       {
-        header ("parse cmd '" + *arg + "'");
+        debug ("parse cmd '" + *arg + "'");
         parseCmd.parse (*arg);
 
         if (foundSequence)
@@ -486,7 +491,7 @@ void Context::parse (
     // terminated, therefore everything subsequently is a description.
     else
     {
-      header ("parse post-termination description '" + *arg + "'");
+      debug ("parse post-termination description '" + *arg + "'");
       if (foundSequence)
         foundSomethingAfterSequence = true;
 
@@ -498,7 +503,7 @@ void Context::parse (
 
   if (descCandidate != "" && noVerticalSpace (descCandidate))
   {
-    header ("parse description '" + descCandidate + "'");
+    debug ("parse description '" + descCandidate + "'");
     parseTask.set ("description", descCandidate);
   }
 
@@ -603,6 +608,12 @@ void Context::footnote (const std::string& input)
   footnotes.push_back (input);
 }
 
+////////////////////////////////////////////////////////////////////////////////
+void Context::debug (const std::string& input)
+{
+  debugMessages.push_back (input);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void Context::clearMessages ()
 {

src/Context.h

@@ -55,6 +55,7 @@ public:
   void header (const std::string&);    // Header sink
   void message (const std::string&);   // Message sink
   void footnote (const std::string&);  // Footnote sink
+  void debug (const std::string&);     // Debug message sink
   void clearMessages ();
 
   void parse ();
@@ -83,6 +84,7 @@ private:
   std::vector <std::string> headers;
   std::vector <std::string> messages;
   std::vector <std::string> footnotes;
+  std::vector <std::string> debugMessages;
   bool                      inShadow;
 };
 

src/TDB.cpp

@@ -389,8 +389,6 @@ int TDB::gc ()
 {
   int count = 0;
 
-  context.header ("gc");
-
   // Set up a second TDB.
   Filter filter;
   TDB tdb;
@@ -443,6 +441,9 @@ int TDB::gc ()
   // Close files.
   tdb.unlock ();
 
+  std::stringstream s;
+  s << "gc " << count << " tasks";
+  context.debug (s.str ());
   return count;
 }
 

src/command.cpp

@@ -380,15 +380,15 @@ std::string handleVersion ()
   std::string recognized =
     " blanklines color color.active color.due color.overdue color.pri.H "
     "color.pri.L color.pri.M color.pri.none color.recurring color.tagged "
-    "color.footnote color.message confirmation curses data.location dateformat "
-    "default.command default.priority defaultwidth displayweeknumber due "
-    "echo.command locale locking monthsperline nag next project shadow.command "
-    "shadow.file shadow.notify weekstart editor import.synonym.id "
-    "import.synonym.uuid import.synonym.status import.synonym.tags "
-    "import.synonym.entry import.synonym.start import.synonym.due "
-    "import.synonym.recur import.synonym.end import.synonym.project "
-    "import.synonym.priority import.synonym.fg import.synonym.bg "
-    "import.synonym.description ";
+    "color.footnote color.header color.message color.debug confirmation curses "
+    "data.location dateformat default.command default.priority defaultwidth "
+    "displayweeknumber due echo.command locale locking monthsperline nag next "
+    "project shadow.command shadow.file shadow.notify weekstart editor "
+    "import.synonym.id import.synonym.uuid import.synonym.status "
+    "import.synonym.tags import.synonym.entry import.synonym.start "
+    "import.synonym.due import.synonym.recur import.synonym.end "
+    "import.synonym.project import.synonym.priority import.synonym.fg "
+    "import.synonym.bg import.synonym.description ";
 
   // This configuration variable is supported, but not documented.  It exists
   // so that unit tests can force color to be on even when the output from task

src/main.h

@@ -105,6 +105,7 @@ void autoColorize (Task&, Text::color&, Text::color&);
 std::string colorizeHeader (const std::string&);
 std::string colorizeMessage (const std::string&);
 std::string colorizeFootnote (const std::string&);
+std::string colorizeDebug (const std::string&);
 
 // import.cpp
 std::string handleImport ();

src/rules.cpp

@@ -281,4 +281,19 @@ std::string colorizeFootnote (const std::string& input)
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+std::string colorizeDebug (const std::string& input)
+{
+  if (gsFg["debug.footnote"] != Text::nocolor ||
+      gsBg["debug.footnote"] != Text::nocolor)
+  {
+    return Text::colorize (
+           gsFg["debug.footnote"],
+           gsBg["debug.footnote"],
+           input);
+  }
+
+  return input;
+}
+
+////////////////////////////////////////////////////////////////////////////////