Finish moving dactyl.dump to util from last commit, and store the last 15 intercepted stack traces.

common/modules/base.jsm

@@ -137,7 +137,10 @@ function require(obj, name, from) {
     }
     catch (e) {
         dump("loading " + String.quote("resource://dactyl/" + name + ".jsm") + "\n");
-        dump("    " + e.fileName + ":" + e.lineNumber + ": " + e +"\n");
+        if (loaded.util)
+            util.reportError(e);
+        else
+            dump("    " + e.fileName + ":" + e.lineNumber + ": " + e +"\n");
     }
 }
 
@@ -151,7 +154,7 @@ defineModule("base", {
         "isObject", "isString", "isSubclass", "iter", "iterAll", "keys",
         "memoize", "properties", "requiresMainThread", "set", "update", "values"
     ],
-    use: ["services"]
+    use: ["services", "util"]
 });
 
 function Runnable(self, func, args) {
@@ -697,12 +700,7 @@ Class.Property.prototype.init = function () {};
 Class.extend = function extend(subclass, superclass, overrides) {
     subclass.superclass = superclass;
 
-    try {
-        subclass.prototype = Object.create(superclass.prototype);
-    }
-    catch(e) {
-        dump(e + "\n" + String.replace(e.stack, /^/gm, "    ") + "\n\n");
-    }
+    subclass.prototype = Object.create(superclass.prototype);
     update(subclass.prototype, overrides);
     subclass.prototype.constructor = subclass;
     subclass.prototype._class_ = subclass;

common/modules/sanitizer.jsm

@@ -153,7 +153,8 @@ const Sanitizer = Module("sanitizer", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakR
             catch (e) {
                 errors = errors || {};
                 errors[itemName] = e;
-                dump("Error sanitizing " + itemName + ": " + e + "\n" + e.stack + "\n");
+                util.dump("Error sanitizing " + itemName);
+                util.reportError(e);
             }
         }
 
@@ -172,7 +173,8 @@ const Sanitizer = Module("sanitizer", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakR
             catch (e) {
                 errors = errors || {};
                 errors[itemName] = e;
-                dump("Error sanitizing " + itemName + ": " + e + "\n" + e.stack + "\n");
+                util.dump("Error sanitizing " + itemName);
+                util.reportError(e);
             }
         return errors;
     }

common/modules/services.jsm

@@ -6,7 +6,8 @@
 
 Components.utils.import("resource://dactyl/base.jsm");
 defineModule("services", {
-    exports: ["Services", "services"]
+    exports: ["Services", "services"],
+    use: ["util"]
 });
 
 /**
@@ -72,7 +73,7 @@ const Services = Module("Services", {
         }
         catch (e) {
             // dactyl.log() is not defined at this time, so just dump any error
-            dump("Service creation failed for '" + classes + "': " + e + "\n");
+            util.dump("Service creation failed for '" + classes + "': " + e + "\n");
             return null;
         }
     },

common/modules/storage.jsm

@@ -299,7 +299,7 @@ const File = Class("File", {
                     file.initWithPath(expandedPath);
             }
             catch (e) {
-                dump("dactyl: " + e + "\n" + String.replace(e.stack, /^/gm, "dactyl:  ") + "\n");
+                util.reportError(e);
                 return null;
             }
         }

common/modules/util.jsm

@@ -57,7 +57,6 @@ const Util = Module("Util", {
                 if (observers[target])
                     observers[target].call(obj, subject, data);
             });
-        this.dactyl.dump(String(obj), obj instanceof Ci.nsIObserver);
         register("addObserver");
     },
 
@@ -230,9 +229,6 @@ const Util = Module("Util", {
      * Prints a message to the console. If <b>msg</b> is an object it is
      * pretty printed.
      *
-     * NOTE: the "browser.dom.window.dump.enabled" preference needs to be
-     * set.
-     *
      * @param {string|Object} msg The message to print.
      */
     dump: function dump_() {
@@ -676,6 +672,8 @@ const Util = Module("Util", {
         }
     },
 
+    maxErrors: 15,
+    errors: Class.memoize(function () []),
     reportError: function (error) {
         if (Cu.reportError)
             Cu.reportError(error);
@@ -686,16 +684,16 @@ const Util = Module("Util", {
                 stack: <>{String.replace(error.stack || Error().stack, /^/mg, "\t")}</>
             });
 
-            let errors = storage.newArray("errors", { store: false });
-            errors.toString = function () [String(v[0]) + "\n" + v[1] for ([k, v] in this)].join("\n\n");
-            errors.push([new Date, obj + obj.stack]);
+            this.errors.push([new Date, obj + "\n" + obj.stack]);
+            this.errors = this.errors.slice(-this.maxErrors);
+            this.errors.toString = function () [k + "\n" + v for ([k, v] in array.iterValues(this))].join("\n\n");
 
-            util.dump(String(error));
-            util.dump(obj);
-            util.dump("");
+            this.dump(String(error));
+            this.dump(obj);
+            this.dump("");
         }
         catch (e) {
-            dump(e);
+            this.dump(e);
         }
     },