Notes, figured out how to make a static initializer.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3932 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/README.txt

@@ -218,3 +218,17 @@ ActionScript
   error (grraah!). There is a compiler option "-compiler.warn-no-constructor"
   but it generates a flotilla of warnings from standard classes in the flash
   library, so it's slightly useless.
+  ***Update: What the heck. I noticed today that DSet has no constructor
+  and I've never had any trouble instantiating those. Why would not having
+  a constructor be an error for some classes and not others? Grraahh!
+
+- Static initializers can be emulated:
+  public class A
+  {
+      private static function staticInit () :void
+      {
+          // whatever
+      }
+
+      staticInit(); // will be placed inside the real static initializer
+  }

src/as/com/threerings/util/LogDaddy.as

@@ -19,22 +19,22 @@ public class LogDaddy
      */
     public static function getLogger (pkg :String) :ILogger
     {
-        if (_targ == null) {
-            // goddamn I wish we could just have static initializers
-            _targ = new TraceTarget();
-            _targ.filters = ["*"];
-            _targ.level = LogEventLevel.DEBUG;
-            mx.logging.Log.addTarget(_targ);
-            // we could do some stuff here: set up different targets
-            // with different log levels...
-        }
-
         return mx.logging.Log.getLogger(pkg);
     }
 
-    /** The logging target for all packages. Needed only because we
-     * cannot have static initializers, so we need to know in getLogger
-     * if we've set up the target yet or not. */
-    private static var _targ :TraceTarget;
+    /**
+     * Our static (class) initializer.
+     */
+    private static function staticInit () :void
+    {
+        var targ :TraceTarget = new TraceTarget();
+        targ.filters = ["*"];
+        targ.level = LogEventLevel.DEBUG;
+        mx.logging.Log.addTarget(targ);
+        // we could do some stuff here: set up different targets
+        // with different log levels...
+    }
+
+    staticInit(); // call our static initializer
 }
 }