1 /* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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3 * The contents of this file are subject to the Netscape Public
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4 * License Version 1.1 (the "License"); you may not use this file
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5 * except in compliance with the License. You may obtain a copy of
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6 * the License at http://www.mozilla.org/NPL/
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8 * Software distributed under the License is distributed on an "AS
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9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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10 * implied. See the License for the specific language governing
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11 * rights and limitations under the License.
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13 * The Original Code is Rhino code, released
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16 * The Initial Developer of the Original Code is Netscape
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17 * Communications Corporation. Portions created by Netscape are
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18 * Copyright (C) 1997-2000 Netscape Communications Corporation. All
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24 * Alternatively, the contents of this file may be used under the
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25 * terms of the GNU Public License (the "GPL"), in which case the
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26 * provisions of the GPL are applicable instead of those above.
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27 * If you wish to allow use of your version of this file only
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28 * under the terms of the GPL and not to allow others to use your
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29 * version of this file under the NPL, indicate your decision by
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30 * deleting the provisions above and replace them with the notice
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31 * and other provisions required by the GPL. If you do not delete
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32 * the provisions above, a recipient may use your version of this
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33 * file under either the NPL or the GPL.
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36 package org.mozilla.javascript;
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39 import org.mozilla.javascript.debug.DebuggableScript;
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41 public class InterpretedFunction extends NativeFunction implements DebuggableScript {
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43 InterpretedFunction(Context cx,
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44 InterpreterData theData,
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45 String[] argNames, short argCount)
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48 this.argNames = argNames;
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49 this.argCount = argCount;
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53 void init(Context cx)
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55 functionName = itsData.itsName;
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56 source = itsData.itsSource;
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57 nestedFunctions = itsData.itsNestedFunctions;
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59 version = (short)cx.getLanguageVersion();
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62 InterpretedFunction(InterpretedFunction theOther,
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63 Scriptable theScope, Context cx)
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65 itsData = theOther.itsData;
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66 this.argNames = theOther.argNames;
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67 this.argCount = theOther.argCount;
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68 itsClosure = theScope;
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72 public Object call(Context cx, Scriptable scope, Scriptable thisObj,
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74 throws JavaScriptException
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76 Function temp = cx.currentFunction;
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77 if (cx.stackDepth++ > 200) {
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78 NativeError ne = new NativeError();
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79 ne.put("message", ne, "maximum interpreter stack depth limit exceeded");
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81 throw new EcmaError(ne, cx.interpreterSourceFile, cx.interpreterLine, 0, "");
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83 cx.currentFunction = this;
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84 cx.interpreterSourceFile = itsData.itsSourceFile;
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85 if (itsClosure != null)
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87 else if (!itsData.itsUseDynamicScope)
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88 scope = getParentScope();
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90 if (itsData.itsCheckThis)
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91 thisObj = ScriptRuntime.getThis(thisObj);
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93 if (itsData.itsNeedsActivation) {
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94 scope = ScriptRuntime.initVarObj(cx, scope, this, thisObj, args);
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97 return Interpreter.interpret(cx, scope, thisObj, args, this,
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100 if (itsData.itsNeedsActivation) {
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101 ScriptRuntime.popActivation(cx);
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103 cx.currentFunction = temp;
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108 public boolean isFunction() {
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112 public Scriptable getScriptable() {
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116 public String getSourceName() {
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117 return itsData.itsSourceFile;
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120 public int[] getLineNumbers() {
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121 return itsData.itsLineNumberTable.getKeys();
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124 public boolean placeBreakpoint(int line) { // XXX throw exn?
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125 return itsData.placeBreakpoint(line);
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128 public boolean removeBreakpoint(int line) {
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129 return itsData.removeBreakpoint(line);
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132 InterpreterData itsData;
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133 Scriptable itsClosure;
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