From 89bda83e0570ab87c6e449f5955613d5385e90b3 Mon Sep 17 00:00:00 2001 From: "alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c" Date: Wed, 3 Feb 2010 00:50:41 +0000 Subject: removed obsolete svn folder from hg tree --HG-- extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%408 --- .../src/org/mozilla/javascript/NativeFunction.java | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeFunction.java (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeFunction.java') diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeFunction.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeFunction.java new file mode 100644 index 0000000..ac70556 --- /dev/null +++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeFunction.java @@ -0,0 +1,169 @@ +/* -*- 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 + * Bob Jervis + * 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; + +import org.mozilla.javascript.debug.DebuggableScript; + +/** + * This class implements the Function native object. + * See ECMA 15.3. + * @author Norris Boyd + */ +public abstract class NativeFunction extends BaseFunction +{ + + public final void initScriptFunction(Context cx, Scriptable scope) + { + ScriptRuntime.setFunctionProtoAndParent(this, scope); + } + + /** + * @param indent How much to indent the decompiled result + * + * @param flags Flags specifying format of decompilation output + */ + final String decompile(int indent, int flags) + { + String encodedSource = getEncodedSource(); + if (encodedSource == null) { + return super.decompile(indent, flags); + } else { + UintMap properties = new UintMap(1); + properties.put(Decompiler.INITIAL_INDENT_PROP, indent); + return Decompiler.decompile(encodedSource, flags, properties); + } + } + + public int getLength() + { + int paramCount = getParamCount(); + if (getLanguageVersion() != Context.VERSION_1_2) { + return paramCount; + } + Context cx = Context.getContext(); + NativeCall activation = ScriptRuntime.findFunctionActivation(cx, this); + if (activation == null) { + return paramCount; + } + return activation.originalArgs.length; + } + + public int getArity() + { + return getParamCount(); + } + + /** + * @deprecated Use {@link BaseFunction#getFunctionName()} instead. + * For backwards compatibility keep an old method name used by + * Batik and possibly others. + */ + public String jsGet_name() + { + return getFunctionName(); + } + + /** + * Get encoded source string. + */ + public String getEncodedSource() + { + return null; + } + + public DebuggableScript getDebuggableView() + { + return null; + } + + /** + * Resume execution of a suspended generator. + * @param cx The current context + * @param scope Scope for the parent generator function + * @param operation The resumption operation (next, send, etc.. ) + * @param state The generator state (has locals, stack, etc.) + * @param value The return value of yield (if required). + * @return The next yielded value (if any) + */ + public Object resumeGenerator(Context cx, Scriptable scope, + int operation, Object state, Object value) + { + throw new EvaluatorException("resumeGenerator() not implemented"); + } + + + protected abstract int getLanguageVersion(); + + /** + * Get number of declared parameters. It should be 0 for scripts. + */ + protected abstract int getParamCount(); + + /** + * Get number of declared parameters and variables defined through var + * statements. + */ + protected abstract int getParamAndVarCount(); + + /** + * Get parameter or variable name. + * If index < {@link #getParamCount()}, then return the name of the + * corresponding parameter. Otherwise return the name of variable. + */ + protected abstract String getParamOrVarName(int index); + + /** + * Get parameter or variable const-ness. + * If index < {@link #getParamCount()}, then return the const-ness + * of the corresponding parameter. Otherwise return whether the variable is + * const. + */ + protected boolean getParamOrVarConst(int index) + { + // By default return false to preserve compatibility with existing + // classes subclassing this class, which are mostly generated by jsc + // from earlier Rhino versions. See Bugzilla #396117. + return false; + } +} + -- cgit v1.2.3