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diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/BaseFunction.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/BaseFunction.java
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--- a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/BaseFunction.java
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@@ -1,553 +0,0 @@
-/* -*- 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 base class for Function objects
- * See ECMA 15.3.
- * @author Norris Boyd
- */
-public class BaseFunction extends IdScriptableObject implements Function
-{
-
- static final long serialVersionUID = 5311394446546053859L;
-
- private static final Object FUNCTION_TAG = new Object();
-
- static void init(Scriptable scope, boolean sealed)
- {
- BaseFunction obj = new BaseFunction();
- // Function.prototype attributes: see ECMA 15.3.3.1
- obj.prototypePropertyAttributes = DONTENUM | READONLY | PERMANENT;
- obj.exportAsJSClass(MAX_PROTOTYPE_ID, scope, sealed);
- }
-
- public BaseFunction()
- {
- }
-
- public BaseFunction(Scriptable scope, Scriptable prototype)
- {
- super(scope, prototype);
- }
-
- public String getClassName() {
- return "Function";
- }
-
- /**
- * Implements the instanceof operator for JavaScript Function objects.
- * <p>
- * <code>
- * foo = new Foo();<br>
- * foo instanceof Foo; // true<br>
- * </code>
- *
- * @param instance The value that appeared on the LHS of the instanceof
- * operator
- * @return true if the "prototype" property of "this" appears in
- * value's prototype chain
- *
- */
- public boolean hasInstance(Scriptable instance)
- {
- Object protoProp = ScriptableObject.getProperty(this, "prototype");
- if (protoProp instanceof Scriptable) {
- return ScriptRuntime.jsDelegatesTo(instance, (Scriptable)protoProp);
- }
- throw ScriptRuntime.typeError1("msg.instanceof.bad.prototype",
- getFunctionName());
- }
-
-// #string_id_map#
-
- private static final int
- Id_length = 1,
- Id_arity = 2,
- Id_name = 3,
- Id_prototype = 4,
- Id_arguments = 5,
-
- MAX_INSTANCE_ID = 5;
-
- protected int getMaxInstanceId()
- {
- return MAX_INSTANCE_ID;
- }
-
- protected int findInstanceIdInfo(String s)
- {
- int id;
-// #generated# Last update: 2007-05-09 08:15:15 EDT
- L0: { id = 0; String X = null; int c;
- L: switch (s.length()) {
- case 4: X="name";id=Id_name; break L;
- case 5: X="arity";id=Id_arity; break L;
- case 6: X="length";id=Id_length; break L;
- case 9: c=s.charAt(0);
- if (c=='a') { X="arguments";id=Id_arguments; }
- else if (c=='p') { X="prototype";id=Id_prototype; }
- break L;
- }
- if (X!=null && X!=s && !X.equals(s)) id = 0;
- break L0;
- }
-// #/generated#
-// #/string_id_map#
-
- if (id == 0) return super.findInstanceIdInfo(s);
-
- int attr;
- switch (id) {
- case Id_length:
- case Id_arity:
- case Id_name:
- attr = DONTENUM | READONLY | PERMANENT;
- break;
- case Id_prototype:
- attr = prototypePropertyAttributes;
- break;
- case Id_arguments:
- attr = DONTENUM | PERMANENT;
- break;
- default: throw new IllegalStateException();
- }
- return instanceIdInfo(attr, id);
- }
-
- protected String getInstanceIdName(int id)
- {
- switch (id) {
- case Id_length: return "length";
- case Id_arity: return "arity";
- case Id_name: return "name";
- case Id_prototype: return "prototype";
- case Id_arguments: return "arguments";
- }
- return super.getInstanceIdName(id);
- }
-
- protected Object getInstanceIdValue(int id)
- {
- switch (id) {
- case Id_length: return ScriptRuntime.wrapInt(getLength());
- case Id_arity: return ScriptRuntime.wrapInt(getArity());
- case Id_name: return getFunctionName();
- case Id_prototype: return getPrototypeProperty();
- case Id_arguments: return getArguments();
- }
- return super.getInstanceIdValue(id);
- }
-
- protected void setInstanceIdValue(int id, Object value)
- {
- if (id == Id_prototype) {
- if ((prototypePropertyAttributes & READONLY) == 0) {
- prototypeProperty = (value != null)
- ? value : UniqueTag.NULL_VALUE;
- }
- return;
- } else if (id == Id_arguments) {
- if (value == NOT_FOUND) {
- // This should not be called since "arguments" is PERMANENT
- Kit.codeBug();
- }
- defaultPut("arguments", value);
- }
- super.setInstanceIdValue(id, value);
- }
-
- protected void fillConstructorProperties(IdFunctionObject ctor)
- {
- // Fix up bootstrapping problem: getPrototype of the IdFunctionObject
- // can not return Function.prototype because Function object is not
- // yet defined.
- ctor.setPrototype(this);
- super.fillConstructorProperties(ctor);
- }
-
- protected void initPrototypeId(int id)
- {
- String s;
- int arity;
- switch (id) {
- case Id_constructor: arity=1; s="constructor"; break;
- case Id_toString: arity=1; s="toString"; break;
- case Id_toSource: arity=1; s="toSource"; break;
- case Id_apply: arity=2; s="apply"; break;
- case Id_call: arity=1; s="call"; break;
- default: throw new IllegalArgumentException(String.valueOf(id));
- }
- initPrototypeMethod(FUNCTION_TAG, id, s, arity);
- }
-
- static boolean isApply(IdFunctionObject f) {
- return f.hasTag(FUNCTION_TAG) && f.methodId() == Id_apply;
- }
-
- static boolean isApplyOrCall(IdFunctionObject f) {
- if(f.hasTag(FUNCTION_TAG)) {
- switch(f.methodId()) {
- case Id_apply:
- case Id_call:
- return true;
- }
- }
- return false;
- }
-
- public Object execIdCall(IdFunctionObject f, Context cx, Scriptable scope,
- Scriptable thisObj, Object[] args)
- {
- if (!f.hasTag(FUNCTION_TAG)) {
- return super.execIdCall(f, cx, scope, thisObj, args);
- }
- int id = f.methodId();
- switch (id) {
- case Id_constructor:
- return jsConstructor(cx, scope, args);
-
- case Id_toString: {
- BaseFunction realf = realFunction(thisObj, f);
- int indent = ScriptRuntime.toInt32(args, 0);
- return realf.decompile(indent, 0);
- }
-
- case Id_toSource: {
- BaseFunction realf = realFunction(thisObj, f);
- int indent = 0;
- int flags = Decompiler.TO_SOURCE_FLAG;
- if (args.length != 0) {
- indent = ScriptRuntime.toInt32(args[0]);
- if (indent >= 0) {
- flags = 0;
- } else {
- indent = 0;
- }
- }
- return realf.decompile(indent, flags);
- }
-
- case Id_apply:
- case Id_call:
- return ScriptRuntime.applyOrCall(id == Id_apply,
- cx, scope, thisObj, args);
- }
- throw new IllegalArgumentException(String.valueOf(id));
- }
-
- private BaseFunction realFunction(Scriptable thisObj, IdFunctionObject f)
- {
- Object x = thisObj.getDefaultValue(ScriptRuntime.FunctionClass);
- if (x instanceof BaseFunction) {
- return (BaseFunction)x;
- }
- throw ScriptRuntime.typeError1("msg.incompat.call",
- f.getFunctionName());
- }
-
- /**
- * Make value as DontEnum, DontDelete, ReadOnly
- * prototype property of this Function object
- */
- public void setImmunePrototypeProperty(Object value)
- {
- if ((prototypePropertyAttributes & READONLY) != 0) {
- throw new IllegalStateException();
- }
- prototypeProperty = (value != null) ? value : UniqueTag.NULL_VALUE;
- prototypePropertyAttributes = DONTENUM | PERMANENT | READONLY;
- }
-
- protected Scriptable getClassPrototype()
- {
- Object protoVal = getPrototypeProperty();
- if (protoVal instanceof Scriptable) {
- return (Scriptable) protoVal;
- }
- return getClassPrototype(this, "Object");
- }
-
- /**
- * Should be overridden.
- */
- public Object call(Context cx, Scriptable scope, Scriptable thisObj,
- Object[] args)
- {
- return Undefined.instance;
- }
-
- public Scriptable construct(Context cx, Scriptable scope, Object[] args)
- {
- Scriptable result = createObject(cx, scope);
- if (result != null) {
- Object val = call(cx, scope, result, args);
- if (val instanceof Scriptable) {
- result = (Scriptable)val;
- }
- } else {
- Object val = call(cx, scope, null, args);
- if (!(val instanceof Scriptable)) {
- // It is program error not to return Scriptable from
- // the call method if createObject returns null.
- throw new IllegalStateException(
- "Bad implementaion of call as constructor, name="
- +getFunctionName()+" in "+getClass().getName());
- }
- result = (Scriptable)val;
- if (result.getPrototype() == null) {
- result.setPrototype(getClassPrototype());
- }
- if (result.getParentScope() == null) {
- Scriptable parent = getParentScope();
- if (result != parent) {
- result.setParentScope(parent);
- }
- }
- }
- return result;
- }
-
- /**
- * Creates new script object.
- * The default implementation of {@link #construct} uses the method to
- * to get the value for <tt>thisObj</tt> argument when invoking
- * {@link #call}.
- * The methos is allowed to return <tt>null</tt> to indicate that
- * {@link #call} will create a new object itself. In this case
- * {@link #construct} will set scope and prototype on the result
- * {@link #call} unless they are already set.
- */
- public Scriptable createObject(Context cx, Scriptable scope)
- {
- Scriptable newInstance = new NativeObject();
- newInstance.setPrototype(getClassPrototype());
- newInstance.setParentScope(getParentScope());
- return newInstance;
- }
-
- /**
- * Decompile the source information associated with this js
- * function/script back into a string.
- *
- * @param indent How much to indent the decompiled result.
- *
- * @param flags Flags specifying format of decompilation output.
- */
- String decompile(int indent, int flags)
- {
- StringBuffer sb = new StringBuffer();
- boolean justbody = (0 != (flags & Decompiler.ONLY_BODY_FLAG));
- if (!justbody) {
- sb.append("function ");
- sb.append(getFunctionName());
- sb.append("() {\n\t");
- }
- sb.append("[native code, arity=");
- sb.append(getArity());
- sb.append("]\n");
- if (!justbody) {
- sb.append("}\n");
- }
- return sb.toString();
- }
-
- public int getArity() { return 0; }
-
- public int getLength() { return 0; }
-
- public String getFunctionName()
- {
- return "";
- }
-
- final Object getPrototypeProperty() {
- Object result = prototypeProperty;
- if (result == null) {
- synchronized (this) {
- result = prototypeProperty;
- if (result == null) {
- setupDefaultPrototype();
- result = prototypeProperty;
- }
- }
- }
- else if (result == UniqueTag.NULL_VALUE) { result = null; }
- return result;
- }
-
- private void setupDefaultPrototype()
- {
- NativeObject obj = new NativeObject();
- final int attr = ScriptableObject.DONTENUM;
- obj.defineProperty("constructor", this, attr);
- // put the prototype property into the object now, then in the
- // wacky case of a user defining a function Object(), we don't
- // get an infinite loop trying to find the prototype.
- prototypeProperty = obj;
- Scriptable proto = getObjectPrototype(this);
- if (proto != obj) {
- // not the one we just made, it must remain grounded
- obj.setPrototype(proto);
- }
- }
-
- private Object getArguments()
- {
- // <Function name>.arguments is deprecated, so we use a slow
- // way of getting it that doesn't add to the invocation cost.
- // TODO: add warning, error based on version
- Object value = defaultGet("arguments");
- if (value != NOT_FOUND) {
- // Should after changing <Function name>.arguments its
- // activation still be available during Function call?
- // This code assumes it should not:
- // defaultGet("arguments") != NOT_FOUND
- // means assigned arguments
- return value;
- }
- Context cx = Context.getContext();
- NativeCall activation = ScriptRuntime.findFunctionActivation(cx, this);
- return (activation == null)
- ? null
- : activation.get("arguments", activation);
- }
-
- private static Object jsConstructor(Context cx, Scriptable scope,
- Object[] args)
- {
- int arglen = args.length;
- StringBuffer sourceBuf = new StringBuffer();
-
- sourceBuf.append("function ");
- /* version != 1.2 Function constructor behavior -
- * print 'anonymous' as the function name if the
- * version (under which the function was compiled) is
- * less than 1.2... or if it's greater than 1.2, because
- * we need to be closer to ECMA.
- */
- if (cx.getLanguageVersion() != Context.VERSION_1_2) {
- sourceBuf.append("anonymous");
- }
- sourceBuf.append('(');
-
- // Append arguments as coma separated strings
- for (int i = 0; i < arglen - 1; i++) {
- if (i > 0) {
- sourceBuf.append(',');
- }
- sourceBuf.append(ScriptRuntime.toString(args[i]));
- }
- sourceBuf.append(") {");
- if (arglen != 0) {
- // append function body
- String funBody = ScriptRuntime.toString(args[arglen - 1]);
- sourceBuf.append(funBody);
- }
- sourceBuf.append('}');
- String source = sourceBuf.toString();
-
- int[] linep = new int[1];
- String filename = Context.getSourcePositionFromStack(linep);
- if (filename == null) {
- filename = "<eval'ed string>";
- linep[0] = 1;
- }
-
- String sourceURI = ScriptRuntime.
- makeUrlForGeneratedScript(false, filename, linep[0]);
-
- Scriptable global = ScriptableObject.getTopLevelScope(scope);
-
- ErrorReporter reporter;
- reporter = DefaultErrorReporter.forEval(cx.getErrorReporter());
-
- Evaluator evaluator = Context.createInterpreter();
- if (evaluator == null) {
- throw new JavaScriptException("Interpreter not present",
- filename, linep[0]);
- }
-
- // Compile with explicit interpreter instance to force interpreter
- // mode.
- return cx.compileFunction(global, source, evaluator, reporter,
- sourceURI, 1, null);
- }
-
- protected int findPrototypeId(String s)
- {
- int id;
-// #string_id_map#
-// #generated# Last update: 2007-05-09 08:15:15 EDT
- L0: { id = 0; String X = null; int c;
- L: switch (s.length()) {
- case 4: X="call";id=Id_call; break L;
- case 5: X="apply";id=Id_apply; break L;
- case 8: c=s.charAt(3);
- if (c=='o') { X="toSource";id=Id_toSource; }
- else if (c=='t') { X="toString";id=Id_toString; }
- break L;
- case 11: X="constructor";id=Id_constructor; break L;
- }
- if (X!=null && X!=s && !X.equals(s)) id = 0;
- break L0;
- }
-// #/generated#
- return id;
- }
-
- private static final int
- Id_constructor = 1,
- Id_toString = 2,
- Id_toSource = 3,
- Id_apply = 4,
- Id_call = 5,
-
- MAX_PROTOTYPE_ID = 5;
-
-// #/string_id_map#
-
- private Object prototypeProperty;
- // For function object instances, attribute is PERMANENT; see ECMA 15.3.5.2
- private int prototypePropertyAttributes = PERMANENT;
-}
-
generated by cgit v1.2.3-1-g7c22 (git 2.25.1) at 2024-06-27 21:26:47 +0000