Some minor fixes, and add ctypes support to iter().

--HG--
branch : mode-refactoring

common/content/dactyl.js

@@ -25,16 +25,16 @@ const FailedAssertion = Class("FailedAssertion", Error, {
     }
 });
 
-deprecated.seen = { "chrome://dactyl/content/javascript.js": true };
-function deprecated(reason, fn)
+function deprecated(reason, fn) update(
     function deprecatedMethod() {
         let frame = Components.stack.caller;
-        if (!set.add(deprecated.seen, frame.filename))
+        if (!set.add(deprecatedMethod.seen, frame.filename))
             dactyl.echoerr(frame.filename + ":" + frame.lineNumber + ": " +
                 (this.className || this.constructor.className) + "." + fn.name +
                 " is deprecated: " + reason);
         return fn.apply(this, arguments);
-    }
+    },
+    { seen: { "chrome://dactyl/content/javascript.js": true } });
 
 const Dactyl = Module("dactyl", {
     init: function () {

common/content/io.js

@@ -345,13 +345,15 @@ lookup:
                         dactyl.helpInitialized = false;
                     }
                     catch (e) {
-                        if (isString(e))
-                            e = { message: e };
-                        let err = new Error();
-                        for (let [k, v] in Iterator(e))
-                            err[k] = v;
-                        err.echoerr = <>{file.path}:{e.lineNumber}: {e}</>;
-                        throw err;
+                        if (e.fileName)
+                            try {
+                                e.fileName = e.fileName.replace(/^(chrome|resource):.*? -> /, "");
+                                if (e.fileName == uri.spec)
+                                    e.fileName = filename;
+                                e.echoerr = <>{e.fileName}:{e.lineNumber}: {e}</>
+                            }
+                            catch (e) {}
+                        throw e;
                     }
                 }
                 else if (/\.css$/.test(filename))

common/content/javascript.js

@@ -358,8 +358,6 @@ const JavaScript = Module("javascript", {
         }
 
         let args = {
-            completer: compl,
-            anchored: true,
             filter: last == null ? key : string,
             last: last,
             prefix: last != null ? key : ""
@@ -369,39 +367,42 @@ const JavaScript = Module("javascript", {
         // TODO: Make this a generic completion helper function.
         for (let [, obj] in Iterator(objects))
             this.context.fork(obj[1], this._top.offset, this, this._fill,
-                update({}, args, {
+                update({
                     obj: obj[0],
-                    name: obj[1]
-                }));
+                    name: obj[1],
+                    anchored: true,
+                    completer: compl
+                }, args));
 
         if (orig)
             return;
 
         for (let [, obj] in Iterator(objects))
             this.context.fork(obj[1] + "/prototypes", this._top.offset, this, this._fill,
-                update({}, args, {
+                update({
                     obj: obj[0],
                     name: obj[1] + " (prototypes)",
+                    anchored: true,
                     completer: function (a, b) compl(a, b, true)
-                }));
+                }, args));
 
         for (let [, obj] in Iterator(objects))
             this.context.fork(obj[1] + "/substrings", this._top.offset, this, this._fill,
-                update({}, args, {
+                update({
                     obj: obj[0],
                     name: obj[1] + " (substrings)",
                     anchored: false,
                     completer: compl
-                }));
+                }, args));
 
         for (let [, obj] in Iterator(objects))
             this.context.fork(obj[1] + "/prototypes/substrings", this._top.offset, this, this._fill,
-                update({}, args, {
+                update({
                     obj: obj[0],
                     name: obj[1] + " (prototype substrings)",
                     anchored: false,
                     completer: function (a, b) compl(a, b, true)
-                }));
+                }, args));
     },
 
     _getKey: function () {