Deal with fallout from 609832.

common/components/commandline-handler.js

@@ -9,8 +9,6 @@ function reportError(e) {
     Cu.reportError(e);
 }
 
-try {
-
 var global = this;
 var NAME = "command-line-handler";
 var Cc = Components.classes;
@@ -61,6 +59,4 @@ else
     var NSGetModule = XPCOMUtils.generateNSGetModule([CommandLineHandler]);
 var EXPORTED_SYMBOLS = ["NSGetFactory", "global"];
 
-} catch (e) { reportError(e) }
-
 // vim: set fdm=marker sw=4 ts=4 et:

common/components/protocols.js

@@ -9,8 +9,6 @@ function reportError(e) {
     Cu.reportError(e);
 }
 
-try {
-
 /* Adds support for data: URIs with chrome privileges
  * and fragment identifiers.
  *
@@ -334,6 +332,4 @@ else
     var NSGetModule = XPCOMUtils.generateNSGetModule([ChromeData, Dactyl, Shim]);
 var EXPORTED_SYMBOLS = ["NSGetFactory", "global"];
 
-} catch (e) { reportError(e) }
-
 // vim: set fdm=marker sw=4 ts=4 et:

common/content/commandline.js

@@ -1064,12 +1064,13 @@ var CommandLine = Module("commandline", {
 
         let key = events.toString(event);
 
+        function openLink(where) {
+            event.preventDefault();
+            dactyl.open(event.target.href, where);
+        }
+
         // TODO: Wouldn't multiple handlers be cleaner? --djk
         if (event.type == "click" && event.target instanceof HTMLAnchorElement) {
-            function openLink(where) {
-                event.preventDefault();
-                dactyl.open(event.target.href, where);
-            }
 
             let command = event.originalTarget.getAttributeNS(NS.uri, "command");
             if (command && dactyl.commands[command]) {
@@ -1494,7 +1495,7 @@ var CommandLine = Module("commandline", {
                 try {
                     this.waiting = true;
                     for (let [, context] in Iterator(list)) {
-                        function done() !(idx >= n + context.items.length || idx == -2 && !context.items.length);
+                        let done = function done() !(idx >= n + context.items.length || idx == -2 && !context.items.length);
                         while (context.incomplete && !done())
                             util.threadYield(false, true);
 

common/content/commands.js

@@ -320,11 +320,11 @@ var Command = Class("Command", {
         let process = util.identity;
 
         if (callable(params))
-            function makeParams(self, args)
+            var makeParams = function makeParams(self, args)
                 iter.toObject([k, process(v)]
                                for ([k, v] in iter(params.apply(self, args))))
         else if (params)
-            function makeParams(self, args)
+            makeParams = function makeParams(self, args)
                 iter.toObject([name, process(args[i])]
                               for ([i, name] in Iterator(params)));
 
@@ -749,25 +749,26 @@ var Commands = Module("commands", {
      * @returns {Args}
      */
     parseArgs: function (str, params) {
-        try {
+        function getNextArg(str, _keepQuotes) {
-            function getNextArg(str, _keepQuotes) {
+            if (arguments.length < 2)
-                if (arguments.length < 2)
+                _keepQuotes = keepQuotes;
-                    _keepQuotes = keepQuotes;
 
-                if (str.substr(0, 2) === "<<" && hereDoc) {
+            if (str.substr(0, 2) === "<<" && hereDoc) {
-                    let arg = /^<<(\S*)/.exec(str)[1];
+                let arg = /^<<(\S*)/.exec(str)[1];
-                    let count = arg.length + 2;
+                let count = arg.length + 2;
-                    if (complete)
+                if (complete)
-                        return [count, "", ""];
+                    return [count, "", ""];
-                    return [count, io.readHeredoc(arg), ""];
+                return [count, io.readHeredoc(arg), ""];
-                }
-                let [count, arg, quote] = Commands.parseArg(str, null, _keepQuotes);
-                if (quote == "\\" && !complete)
-                    return [, , , "Trailing \\"];
-                if (quote && !complete)
-                    return [, , , "E114: Missing quote: " + quote];
-                return [count, arg, quote];
             }
+            let [count, arg, quote] = Commands.parseArg(str, null, _keepQuotes);
+            if (quote == "\\" && !complete)
+                return [, , , "Trailing \\"];
+            if (quote && !complete)
+                return [, , , "E114: Missing quote: " + quote];
+            return [count, arg, quote];
+        }
+
+        try {
 
             var { allowUnknownOptions, argCount, complete, extra, hereDoc, literal, options, keepQuotes } = params || {};
 
@@ -793,12 +794,12 @@ var Commands = Module("commands", {
             var completeOpts;
 
             // XXX
-            function matchOpts(arg) {
+            let matchOpts = function matchOpts(arg) {
                 // Push possible option matches into completions
                 if (complete && !onlyArgumentsRemaining)
                     completeOpts = options.filter(function (opt) opt.multiple || !set.has(args, opt.names[0]));
             }
-            function resetCompletions() {
+            let resetCompletions = function resetCompletions() {
                 completeOpts = null;
                 args.completeArg = null;
                 args.completeOpt = null;
@@ -812,7 +813,7 @@ var Commands = Module("commands", {
                 args.completeArg = 0;
             }
 
-            function fail(error) {
+            let fail = function fail(error) {
                 if (complete)
                     complete.message = error;
                 else
@@ -1328,7 +1329,7 @@ var Commands = Module("commands", {
                         dactyl.echoerr("E174: Command already exists: add ! to replace it");
                 }
                 else {
-                    function completerToString(completer) {
+                    let completerToString = function completerToString(completer) {
                         if (completer)
                             return [k for ([k, v] in Iterator(completerMap)) if (completer == completion.closure[v])][0] || "custom";
                         return "";

common/content/dactyl.js

@@ -534,6 +534,29 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
      * Initialize the help system.
      */
     initHelp: function (force) {
+        // Find help and overlay files with the given name.
+        function findHelpFile(file) {
+            let result = [];
+            for (let [, namespace] in Iterator(namespaces)) {
+                let url = ["dactyl://", namespace, "/", file, ".xml"].join("");
+                let res = util.httpGet(url);
+                if (res) {
+                    if (res.responseXML.documentElement.localName == "document")
+                        fileMap[file] = url;
+                    if (res.responseXML.documentElement.localName == "overlay")
+                        overlayMap[file] = url;
+                    result.push(res.responseXML);
+                }
+            }
+            return result;
+        }
+        // Find the tags in the document.
+        function addTags(file, doc) {
+            for (let elem in util.evaluateXPath("//@tag|//dactyl:tags/text()|//dactyl:tag/text()", doc))
+                for (let tag in values((elem.value || elem.textContent).split(/\s+/)))
+                    tagMap[tag] = file;
+        }
+
         if (!force && !this.helpInitialized) {
             if ("noscriptOverlay" in window) {
                 noscriptOverlay.safeAllow("chrome-data:", true, false);
@@ -547,29 +570,6 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
             let fileMap = services["dactyl:"].FILE_MAP;
             let overlayMap = services["dactyl:"].OVERLAY_MAP;
 
-            // Find help and overlay files with the given name.
-            function findHelpFile(file) {
-                let result = [];
-                for (let [, namespace] in Iterator(namespaces)) {
-                    let url = ["dactyl://", namespace, "/", file, ".xml"].join("");
-                    let res = util.httpGet(url);
-                    if (res) {
-                        if (res.responseXML.documentElement.localName == "document")
-                            fileMap[file] = url;
-                        if (res.responseXML.documentElement.localName == "overlay")
-                            overlayMap[file] = url;
-                        result.push(res.responseXML);
-                    }
-                }
-                return result;
-            }
-            // Find the tags in the document.
-            function addTags(file, doc) {
-                for (let elem in util.evaluateXPath("//@tag|//dactyl:tags/text()|//dactyl:tag/text()", doc))
-                    for (let tag in values((elem.value || elem.textContent).split(/\s+/)))
-                        tagMap[tag] = file;
-            }
-
             // Scrape the list of help files from all.xml
             // Manually process main and overlay files, since XSLTProcessor and
             // XMLHttpRequest don't allow access to chrome documents.
@@ -658,21 +658,71 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
 
         dactyl.initHelp();
         if (FILE.isDirectory()) {
-            function addDataEntry(file, data) FILE.child(file).write(data);
+            var addDataEntry = function addDataEntry(file, data) FILE.child(file).write(data);
-            function addURIEntry(file, uri) addDataEntry(file, util.httpGet(uri).responseText);
+            var addURIEntry  = function addURIEntry(file, uri) addDataEntry(file, util.httpGet(uri).responseText);
         }
         else {
             var zip = services.ZipWriter();
             zip.open(FILE, File.MODE_CREATE | File.MODE_WRONLY | File.MODE_TRUNCATE);
-            function addURIEntry(file, uri)
+
+            addURIEntry = function addURIEntry(file, uri)
                 zip.addEntryChannel(PATH + file, TIME, 9,
                     services.io.newChannel(uri, null, null), false);
-            function addDataEntry(file, data) // Unideal to an extreme.
+            addDataEntry = function addDataEntry(file, data) // Unideal to an extreme.
                 addURIEntry(file, "data:text/plain;charset=UTF-8," + encodeURI(data));
         }
 
         let empty = set("area base basefont br col frame hr img input isindex link meta param"
                             .split(" "));
+        function fix(node) {
+            switch(node.nodeType) {
+                case Node.ELEMENT_NODE:
+                    if (isinstance(node, [HTMLBaseElement]))
+                        return;
+
+                    data.push("<"); data.push(node.localName);
+                    if (node instanceof HTMLHtmlElement)
+                        data.push(" xmlns=" + XHTML.uri.quote());
+
+                    for (let { name, value } in array.iterValues(node.attributes)) {
+                        if (name == "dactyl:highlight") {
+                            set.add(styles, value);
+                            name = "class";
+                            value = "hl-" + value;
+                        }
+                        if (name == "href") {
+                            value = node.href;
+                            if (value.indexOf("dactyl://help-tag/") == 0) {
+                                let uri = services.io.newChannel(value, null, null).originalURI;
+                                value = uri.spec == value ? "javascript:;" : uri.path.substr(1);
+                            }
+                            if (!/^#|[\/](#|$)|^[a-z]+:/.test(value))
+                                value = value.replace(/(#|$)/, ".xhtml$1");
+                        }
+                        if (name == "src" && value.indexOf(":") > 0) {
+                            chromeFiles[value] = value.replace(/.*\//, "");
+                            value = value.replace(/.*\//, "");
+                        }
+                        data.push(" ");
+                        data.push(name);
+                        data.push('="');
+                        data.push(<>{value}</>.toXMLString());
+                        data.push('"');
+                    }
+                    if (node.localName in empty)
+                        data.push(" />");
+                    else {
+                        data.push(">");
+                        if (node instanceof HTMLHeadElement)
+                            data.push(<link rel="stylesheet" type="text/css" href="help.css"/>.toXMLString());
+                        Array.map(node.childNodes, fix);
+                        data.push("</"); data.push(node.localName); data.push(">");
+                    }
+                    break;
+                case Node.TEXT_NODE:
+                    data.push(<>{node.textContent}</>.toXMLString());
+            }
+        }
 
         let chromeFiles = {};
         let styles = {};
@@ -684,55 +734,6 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
                 '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"\n',
                 '          "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n'
             ];
-            function fix(node) {
-                switch(node.nodeType) {
-                    case Node.ELEMENT_NODE:
-                        if (isinstance(node, [HTMLBaseElement]))
-                            return;
-
-                        data.push("<"); data.push(node.localName);
-                        if (node instanceof HTMLHtmlElement)
-                            data.push(" xmlns=" + XHTML.uri.quote());
-
-                        for (let { name, value } in array.iterValues(node.attributes)) {
-                            if (name == "dactyl:highlight") {
-                                set.add(styles, value);
-                                name = "class";
-                                value = "hl-" + value;
-                            }
-                            if (name == "href") {
-                                value = node.href;
-                                if (value.indexOf("dactyl://help-tag/") == 0) {
-                                    let uri = services.io.newChannel(value, null, null).originalURI;
-                                    value = uri.spec == value ? "javascript:;" : uri.path.substr(1);
-                                }
-                                if (!/^#|[\/](#|$)|^[a-z]+:/.test(value))
-                                    value = value.replace(/(#|$)/, ".xhtml$1");
-                            }
-                            if (name == "src" && value.indexOf(":") > 0) {
-                                chromeFiles[value] = value.replace(/.*\//, "");
-                                value = value.replace(/.*\//, "");
-                            }
-                            data.push(" ");
-                            data.push(name);
-                            data.push('="');
-                            data.push(<>{value}</>.toXMLString());
-                            data.push('"');
-                        }
-                        if (node.localName in empty)
-                            data.push(" />");
-                        else {
-                            data.push(">");
-                            if (node instanceof HTMLHeadElement)
-                                data.push(<link rel="stylesheet" type="text/css" href="help.css"/>.toXMLString());
-                            Array.map(node.childNodes, fix);
-                            data.push("</"); data.push(node.localName); data.push(">");
-                        }
-                        break;
-                    case Node.TEXT_NODE:
-                        data.push(<>{node.textContent}</>.toXMLString());
-                }
-            }
             fix(content.document.documentElement);
             addDataEntry(file + ".xhtml", data.join(""));
         }
@@ -1893,12 +1894,12 @@ var Dactyl = Module("dactyl", XPCOM(Ci.nsISupportsWeakReference, ModuleBase), {
             "Force " + config.appName + " to restart",
             function () { dactyl.restart(); });
 
+        function findToolbar(name) util.evaluateXPath(
+            "./*[@toolbarname=" + util.escapeString(name, "'") + "]",
+            document, toolbox).snapshotItem(0);
+
         var toolbox = document.getElementById("navigator-toolbox");
         if (toolbox) {
-            function findToolbar(name) util.evaluateXPath(
-                "./*[@toolbarname=" + util.escapeString(name, "'") + "]",
-                document, toolbox).snapshotItem(0);
-
             let toolbarCommand = function (names, desc, action, filter) {
                 commands.add(names, desc,
                     function (args) {

common/content/editor.js

@@ -307,6 +307,21 @@ var Editor = Module("editor", {
             }
         });
 
+        function update(force) {
+            if (force !== true && tmpfile.lastModifiedTime <= lastUpdate)
+                return;
+            lastUpdate = Date.now();
+
+            let val = tmpfile.read();
+            if (textBox)
+                textBox.value = val;
+            else {
+                while (editor.rootElement.firstChild)
+                    editor.rootElement.removeChild(editor.rootElement.firstChild);
+                editor.rootElement.innerHTML = val;
+            }
+        }
+
         try {
             var tmpfile = io.createTempFile();
             if (!tmpfile)
@@ -322,20 +337,6 @@ var Editor = Module("editor", {
                             "file encoding");
 
             let lastUpdate = Date.now();
-            function update(force) {
-                if (force !== true && tmpfile.lastModifiedTime <= lastUpdate)
-                    return;
-                lastUpdate = Date.now();
-
-                let val = tmpfile.read();
-                if (textBox)
-                    textBox.value = val;
-                else {
-                    while (editor.rootElement.firstChild)
-                        editor.rootElement.removeChild(editor.rootElement.firstChild);
-                    editor.rootElement.innerHTML = val;
-                }
-            }
 
             var timer = services.Timer(update, 100, services.Timer.TYPE_REPEATING_SLACK);
             this.editFileExternally({ file: tmpfile.path, line: line, column: column }, cleanup);

common/content/events.js

@@ -899,15 +899,15 @@ var Events = Module("events", {
             return killEvent();
         }
 
+        function shouldPass()
+            (!dactyl.focusedElement || events.isContentNode(dactyl.focusedElement)) &&
+            options.get("passkeys").has(events.toString(event));
+
         try {
             let mode = modes.getStack(0);
             if (event.dactylMode)
                 mode = Modes.StackElement(event.dactylMode);
 
-            function shouldPass()
-                (!dactyl.focusedElement || events.isContentNode(dactyl.focusedElement)) &&
-                options.get("passkeys").has(events.toString(event));
-
             let input = this._input;
             this._input = null;
             if (!input) {

common/content/tabs.js

@@ -43,7 +43,7 @@ var Tabs = Module("tabs", {
 
     cleanup: function cleanup() {
         for (let [i, tab] in Iterator(this.allTabs)) {
-            function node(clas) document.getAnonymousElementByAttribute(tab, "class", clas);
+            let node = function node(clas) document.getAnonymousElementByAttribute(tab, "class", clas);
             for (let elem in values(["dactyl-tab-icon-number", "dactyl-tab-number"].map(node)))
                 if (elem)
                     elem.parentNode.parentNode.removeChild(elem.parentNode);
@@ -53,7 +53,7 @@ var Tabs = Module("tabs", {
     updateTabCount: function () {
         for (let [i, tab] in Iterator(this.visibleTabs)) {
             if (dactyl.has("Gecko2")) {
-                function node(clas) document.getAnonymousElementByAttribute(tab, "class", clas);
+                let node = function node(clas) document.getAnonymousElementByAttribute(tab, "class", clas);
                 if (!node("dactyl-tab-number")) {
                     let nodes = {};
                     let dom = util.xmlToDom(<xul xmlns:xul={XUL} xmlns:html={XHTML}

common/modules/styles.jsm

@@ -309,15 +309,15 @@ var Styles = Module("Styles", {
      */
     matchFilter: function (filter) {
         if (filter === "*")
-            function test(uri) true;
+            var test = function test(uri) true;
         else if (/[*]$/.test(filter)) {
             let re = RegExp("^" + util.regexp.escape(filter.substr(0, filter.length - 1)));
-            function test(uri) re.test(uri.spec);
+            test = function test(uri) re.test(uri.spec);
         }
         else if (/[\/:]/.test(filter))
-            function test(uri) uri.spec === filter;
+            test = function test(uri) uri.spec === filter;
         else
-            function test(uri) { try { return util.isSubdomain(uri.host, filter); } catch (e) { return false; } };
+            test = function test(uri) { try { return util.isSubdomain(uri.host, filter); } catch (e) { return false; } };
         test.toString = function toString() filter;
         if (arguments.length < 2)
             return test;

common/modules/util.jsm

@@ -31,8 +31,8 @@ memoize(this, "Commands", function () {
 var FailedAssertion = Class("FailedAssertion", ErrorBase);
 var Point = Struct("x", "y");
 
-function wrapCallback(fn)
+var wrapCallback = function wrapCallback(fn)
-    fn.wrapper = function wrappedCallback () {
+    fn.wrapper = (function wrappedCallback () {
         try {
             return fn.apply(this, arguments);
         }
@@ -40,7 +40,7 @@ function wrapCallback(fn)
             util.reportError(e);
             return undefined;
         }
-    }
+    })
 
 var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]), {
     init: function () {
@@ -820,6 +820,15 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
         if (!isObject(object))
             return String(object);
 
+        function namespaced(node) {
+            var ns = NAMESPACES[node.namespaceURI] || /^(?:(.*?):)?/.exec(node.name)[0];
+            if (!ns)
+                return node.localName;
+            if (color)
+                return <><span highlight="HelpXMLNamespace">{ns}</span>{node.localName}</>
+            return ns + ":" + node.localName;
+        }
+
         if (object instanceof Ci.nsIDOMElement) {
             const NAMESPACES = array.toObject([
                 [NS, "dactyl"],
@@ -830,14 +839,6 @@ var Util = Module("Util", XPCOM([Ci.nsIObserver, Ci.nsISupportsWeakReference]),
             if (elem.nodeType == elem.TEXT_NODE)
                 return elem.data;
 
-            function namespaced(node) {
-                var ns = NAMESPACES[node.namespaceURI] || /^(?:(.*?):)?/.exec(node.name)[0];
-                if (!ns)
-                    return node.localName;
-                if (color)
-                    return <><span highlight="HelpXMLNamespace">{ns}</span>{node.localName}</>
-                return ns + ":" + node.localName;
-            }
             try {
                 let hasChildren = elem.firstChild && (!/^\s*$/.test(elem.firstChild) || elem.firstChild.nextSibling)
                 if (color)