From 98e2821b38a775737e42a2479a6bc65107210859 Mon Sep 17 00:00:00 2001 From: Elliot Kroo Date: Thu, 11 Mar 2010 15:21:30 -0800 Subject: reorganizing the first level of folders (trunk/branch folders are not the git way :) --- .../src/org/mozilla/javascript/NativeScript.java | 221 +++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeScript.java (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeScript.java') diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeScript.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeScript.java new file mode 100644 index 0000000..7b5191e --- /dev/null +++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeScript.java @@ -0,0 +1,221 @@ +/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Rhino code, released + * May 6, 1999. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1997-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Norris Boyd + * Igor Bukanov + * Roger Lawrence + * Mike McCabe + * + * Alternatively, the contents of this file may be used under the terms of + * the GNU General Public License Version 2 or later (the "GPL"), in which + * case the provisions of the GPL are applicable instead of those above. If + * you wish to allow use of your version of this file only under the terms of + * the GPL and not to allow others to use your version of this file under the + * MPL, indicate your decision by deleting the provisions above and replacing + * them with the notice and other provisions required by the GPL. If you do + * not delete the provisions above, a recipient may use your version of this + * file under either the MPL or the GPL. + * + * ***** END LICENSE BLOCK ***** */ + +package org.mozilla.javascript; + +/** + * The JavaScript Script object. + * + * Note that the C version of the engine uses XDR as the format used + * by freeze and thaw. Since this depends on the internal format of + * structures in the C runtime, we cannot duplicate it. + * + * Since we cannot replace 'this' as a result of the compile method, + * will forward requests to execute to the nonnull 'script' field. + * + * @since 1.3 + * @author Norris Boyd + */ + +class NativeScript extends BaseFunction +{ + static final long serialVersionUID = -6795101161980121700L; + + private static final Object SCRIPT_TAG = new Object(); + + static void init(Scriptable scope, boolean sealed) + { + NativeScript obj = new NativeScript(null); + obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed); + } + + private NativeScript(Script script) + { + this.script = script; + } + + /** + * Returns the name of this JavaScript class, "Script". + */ + public String getClassName() + { + return "Script"; + } + + public Object call(Context cx, Scriptable scope, Scriptable thisObj, + Object[] args) + { + if (script != null) { + return script.exec(cx, scope); + } + return Undefined.instance; + } + + public Scriptable construct(Context cx, Scriptable scope, Object[] args) + { + throw Context.reportRuntimeError0("msg.script.is.not.constructor"); + } + + public int getLength() + { + return 0; + } + + public int getArity() + { + return 0; + } + + String decompile(int indent, int flags) + { + if (script instanceof NativeFunction) { + return ((NativeFunction)script).decompile(indent, flags); + } + return super.decompile(indent, flags); + } + + protected void initPrototypeId(int id) + { + String s; + int arity; + switch (id) { + case Id_constructor: arity=1; s="constructor"; break; + case Id_toString: arity=0; s="toString"; break; + case Id_exec: arity=0; s="exec"; break; + case Id_compile: arity=1; s="compile"; break; + default: throw new IllegalArgumentException(String.valueOf(id)); + } + initPrototypeMethod(SCRIPT_TAG, id, s, arity); + } + + public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope, + Scriptable thisObj, Object[] args) + { + if (!f.hasTag(SCRIPT_TAG)) { + return super.execIdCall(f, cx, scope, thisObj, args); + } + int id = f.methodId(); + switch (id) { + case Id_constructor: { + String source = (args.length == 0) + ? "" + : ScriptRuntime.toString(args[0]); + Script script = compile(cx, source); + NativeScript nscript = new NativeScript(script); + ScriptRuntime.setObjectProtoAndParent(nscript, scope); + return nscript; + } + + case Id_toString: { + NativeScript real = realThis(thisObj, f); + Script realScript = real.script; + if (realScript == null) { return ""; } + return cx.decompileScript(realScript, 0); + } + + case Id_exec: { + throw Context.reportRuntimeError1( + "msg.cant.call.indirect", "exec"); + } + + case Id_compile: { + NativeScript real = realThis(thisObj, f); + String source = ScriptRuntime.toString(args, 0); + real.script = compile(cx, source); + return real; + } + } + throw new IllegalArgumentException(String.valueOf(id)); + } + + private static NativeScript realThis(Scriptable thisObj, IdFunctionObject f) + { + if (!(thisObj instanceof NativeScript)) + throw incompatibleCallError(f); + return (NativeScript)thisObj; + } + + private static Script compile(Context cx, String source) + { + int[] linep = { 0 }; + String filename = Context.getSourcePositionFromStack(linep); + if (filename == null) { + filename = "