| /* |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.js.ast; |
| |
| import com.google.gwt.dev.util.collect.Lists; |
| |
| import java.io.Serializable; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * The root scope is the parent of every scope, it contains a list of browser |
| * built-in identifiers that we should recognize and never obfuscate into. |
| */ |
| public final class JsRootScope extends JsScope { |
| /* |
| * NOTE: the startup sequence for this class is a bit tricky. |
| */ |
| |
| private static class SerializedForm implements Serializable { |
| private Object readResolve() { |
| return JsRootScope.INSTANCE; |
| } |
| } |
| |
| public static final JsRootScope INSTANCE; |
| |
| private static final String[] COMMON_BUILTINS = new String[]{ |
| // 15.1.1 Value Properties of the Global Object |
| "NaN", |
| "Infinity", |
| "undefined", |
| |
| // 15.1.2 Function Properties of the Global Object |
| "eval", |
| "parseInt", |
| "parseFloat", |
| "isNan", |
| "isFinite", |
| |
| // 15.1.3 URI Handling Function Properties |
| "decodeURI", |
| "decodeURIComponent", |
| "encodeURI", |
| "encodeURIComponent", |
| |
| // 15.1.4 Constructor Properties of the Global Object |
| "Object", |
| "Function", |
| "Array", |
| "String", |
| "Boolean", |
| "Number", |
| "Date", |
| "RegExp", |
| "Error", |
| "EvalError", |
| "RangeError", |
| "ReferenceError", |
| "SyntaxError", |
| "TypeError", |
| "URIError", |
| |
| // 15.1.5 Other Properties of the Global Object |
| "Math", |
| |
| // 10.1.6 Activation Object |
| "arguments", |
| |
| // B.2 Additional Properties (non-normative) |
| "escape", |
| "unescape", |
| |
| // Window props (https://developer.mozilla.org/en/DOM/window) |
| "applicationCache", |
| "closed", |
| "Components", |
| "content", |
| "controllers", |
| "crypto", |
| "defaultStatus", |
| "dialogArguments", |
| "directories", |
| "document", |
| "frameElement", |
| "frames", |
| "fullScreen", |
| "globalStorage", |
| "history", |
| "innerHeight", |
| "innerWidth", |
| "length", |
| "location", |
| "locationbar", |
| "localStorage", |
| "menubar", |
| "mozInnerScreenX", |
| "mozInnerScreenY", |
| "mozScreenPixelsPerCssPixel", |
| "name", |
| "navigator", |
| "opener", |
| "outerHeight", |
| "outerWidth", |
| "pageXOffset", |
| "pageYOffset", |
| "parent", |
| "personalbar", |
| "pkcs11", |
| "returnValue", |
| "screen", |
| "scrollbars", |
| "scrollMaxX", |
| "scrollMaxY", |
| "self", |
| "sessionStorage", |
| "sidebar", |
| "status", |
| "statusbar", |
| "toolbar", |
| "top", |
| "window", |
| |
| // Window methods (https://developer.mozilla.org/en/DOM/window) |
| "alert", |
| "addEventListener", |
| "atob", |
| "back", |
| "blur", |
| "btoa", |
| "captureEvents", |
| "clearInterval", |
| "clearTimeout", |
| "close", |
| "confirm", |
| "disableExternalCapture", |
| "dispatchEvent", |
| "dump", |
| "enableExternalCapture", |
| "escape", |
| "find", |
| "focus", |
| "forward", |
| "GeckoActiveXObject", |
| "getAttention", |
| "getAttentionWithCycleCount", |
| "getComputedStyle", |
| "getSelection", |
| "home", |
| "maximize", |
| "minimize", |
| "moveBy", |
| "moveTo", |
| "open", |
| "openDialog", |
| "postMessage", |
| "print", |
| "prompt", |
| "QueryInterface", |
| "releaseEvents", |
| "removeEventListener", |
| "resizeBy", |
| "resizeTo", |
| "restore", |
| "routeEvent", |
| "scroll", |
| "scrollBy", |
| "scrollByLines", |
| "scrollByPages", |
| "scrollTo", |
| "setInterval", |
| "setResizeable", |
| "setTimeout", |
| "showModalDialog", |
| "sizeToContent", |
| "stop", |
| "uuescape", |
| "updateCommands", |
| "XPCNativeWrapper", |
| "XPCSafeJSOjbectWrapper", |
| |
| // Mozilla Window event handlers, same cite |
| "onabort", |
| "onbeforeunload", |
| "onchange", |
| "onclick", |
| "onclose", |
| "oncontextmenu", |
| "ondragdrop", |
| "onerror", |
| "onfocus", |
| "onhashchange", |
| "onkeydown", |
| "onkeypress", |
| "onkeyup", |
| "onload", |
| "onmousedown", |
| "onmousemove", |
| "onmouseout", |
| "onmouseover", |
| "onmouseup", |
| "onmozorientation", |
| "onpaint", |
| "onreset", |
| "onresize", |
| "onscroll", |
| "onselect", |
| "onsubmit", |
| "onunload", |
| |
| // Safari Web Content Guide |
| // http://developer.apple.com/library/safari/#documentation/AppleApplications/Reference/SafariWebContent/SafariWebContent.pdf |
| // WebKit Window member data, from WebKit DOM Reference |
| // (http://developer.apple.com/safari/library/documentation/AppleApplications/Reference/WebKitDOMRef/DOMWindow_idl/Classes/DOMWindow/index.html) |
| // TODO(fredsa) Many, many more functions and member data to add |
| "ontouchcancel", |
| "ontouchend", |
| "ontouchmove", |
| "ontouchstart", |
| "ongesturestart", |
| "ongesturechange", |
| "ongestureend", |
| |
| // Media events |
| "oncanplaythrough", |
| "onended", |
| "onprogress", |
| |
| // extra window methods |
| "uneval", |
| |
| // keywords https://developer.mozilla.org/en/New_in_JavaScript_1.7, |
| // https://developer.mozilla.org/en/New_in_JavaScript_1.8.1 |
| "getPrototypeOf", |
| "let", |
| |
| // "future reserved words" |
| "abstract", |
| "int", |
| "short", |
| "boolean", |
| "interface", |
| "static", |
| "byte", |
| "long", |
| "char", |
| "final", |
| "native", |
| "synchronized", |
| "float", |
| "package", |
| "throws", |
| "goto", |
| "private", |
| "transient", |
| "implements", |
| "protected", |
| "volatile", |
| "double", |
| "public", |
| |
| // IE methods |
| // (http://msdn.microsoft.com/en-us/library/ms535873(VS.85).aspx#) |
| "attachEvent", |
| "clientInformation", |
| "clipboardData", |
| "createPopup", |
| "dialogHeight", |
| "dialogLeft", |
| "dialogTop", |
| "dialogWidth", |
| "onafterprint", |
| "onbeforedeactivate", |
| "onbeforeprint", |
| "oncontrolselect", |
| "ondeactivate", |
| "onhelp", |
| "onresizeend", |
| |
| // Common browser-defined identifiers not defined in ECMAScript |
| "event", |
| "external", |
| "Debug", |
| "Enumerator", |
| "Global", |
| "Image", |
| "ActiveXObject", |
| "VBArray", |
| "Components", |
| |
| // Functions commonly defined on Object |
| "toString", |
| "getClass", |
| "constructor", |
| "prototype", |
| |
| // Client-side JavaScript identifiers, which are needed for linkers |
| // that don't ensure GWT's window != $wnd, document != $doc, etc. |
| // Taken from the Rhino book, pg 715 |
| "Anchor", "Applet", "Attr", "Canvas", "CanvasGradient", "CanvasPattern", |
| "CanvasRenderingContext2D", "CDATASection", "CharacterData", "Comment", |
| "CSS2Properties", "CSSRule", "CSSStyleSheet", "Document", |
| "DocumentFragment", "DocumentType", "DOMException", "DOMImplementation", |
| "DOMParser", "Element", "Event", "ExternalInterface", "FlashPlayer", |
| "Form", "Frame", "History", "HTMLCollection", "HTMLDocument", |
| "HTMLElement", "IFrame", "Image", "Input", "JSObject", "KeyEvent", |
| "Link", "Location", "MimeType", "MouseEvent", "Navigator", "Node", |
| "NodeList", "Option", "Plugin", "ProcessingInstruction", "Range", |
| "RangeException", "Screen", "Select", "Table", "TableCell", "TableRow", |
| "TableSelection", "Text", "TextArea", "UIEvent", "Window", |
| "XMLHttpRequest", "XMLSerializer", "XPathException", "XPathResult", |
| "XSLTProcessor", |
| |
| /* |
| * These keywords trigger the loading of the java-plugin. For the |
| * next-generation plugin, this results in starting a new Java process. |
| */ |
| "java", "Packages", "netscape", "sun", "JavaObject", "JavaClass", |
| "JavaArray", "JavaMember", |
| |
| // GWT-defined identifiers |
| "$wnd", "$doc", "$moduleName", "$moduleBase", "$gwt_version", |
| "$sessionId", |
| |
| // Identifiers used by JsStackEmulator; later set to obfuscatable |
| "$stack", "$stackDepth", "$location", |
| |
| // TODO: prove why this is necessary or remove it |
| "call",}; |
| |
| static { |
| INSTANCE = new JsRootScope(); |
| } |
| |
| private final Map<String, JsName> names = new LinkedHashMap<String, JsName>(); |
| |
| private final JsName undefined; |
| |
| private JsRootScope() { |
| super("Root"); |
| for (String ident : COMMON_BUILTINS) { |
| names.put(ident, new JsRootName(this, ident)); |
| } |
| undefined = names.get("undefined"); |
| assert undefined != null; |
| } |
| |
| @Override |
| public Iterator<JsName> getAllNames() { |
| return Collections.unmodifiableCollection(names.values()).iterator(); |
| } |
| |
| @Override |
| public List<JsScope> getChildren() { |
| return Lists.create(); |
| } |
| |
| @Override |
| public JsScope getParent() { |
| return null; |
| } |
| |
| public JsName getUndefined() { |
| return undefined; |
| } |
| |
| @Override |
| protected void addChild(JsScope child) { |
| // Don't record children. |
| } |
| |
| @Override |
| protected JsName doCreateName(String ident, String shortIdent) { |
| throw new UnsupportedOperationException( |
| "Cannot create new names in the root scope"); |
| } |
| |
| @Override |
| protected JsName findExistingNameNoRecurse(String ident) { |
| return names.get(ident); |
| } |
| |
| private Object writeReplace() { |
| return new SerializedForm(); |
| } |
| } |
