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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25 * Alternatively, the contents of this file may be used under the
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26 * terms of the GNU Public License (the "GPL"), in which case the
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27 * provisions of the GPL are applicable instead of those above.
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28 * If you wish to allow use of your version of this file only
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29 * under the terms of the GPL and not to allow others to use your
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30 * version of this file under the NPL, indicate your decision by
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31 * deleting the provisions above and replace them with the notice
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32 * and other provisions required by the GPL. If you do not delete
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33 * the provisions above, a recipient may use your version of this
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34 * file under either the NPL or the GPL.
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37 package org.mozilla.javascript;
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39 import java.util.Vector;
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41 class InterpreterData {
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43 static final int INITIAL_MAX_ICODE_LENGTH = 1024;
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44 static final int INITIAL_STRINGTABLE_SIZE = 64;
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45 static final int INITIAL_NUMBERTABLE_SIZE = 64;
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47 InterpreterData(int lastICodeTop, int lastStringTableIndex,
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48 int lastNumberTableIndex, Object securityDomain,
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49 boolean useDynamicScope, boolean checkThis)
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51 itsICodeTop = lastICodeTop == 0
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52 ? INITIAL_MAX_ICODE_LENGTH
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54 itsICode = new byte[itsICodeTop];
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56 itsStringTable = new String[lastStringTableIndex == 0
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57 ? INITIAL_STRINGTABLE_SIZE
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58 : lastStringTableIndex * 2];
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60 itsNumberTable = new double[lastNumberTableIndex == 0
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61 ? INITIAL_NUMBERTABLE_SIZE
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62 : lastNumberTableIndex * 2];
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64 itsUseDynamicScope = useDynamicScope;
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65 itsCheckThis = checkThis;
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66 if (securityDomain == null)
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67 Context.checkSecurityDomainRequired();
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68 this.securityDomain = securityDomain;
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71 public boolean placeBreakpoint(int line) { // XXX throw exn?
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72 int offset = getOffset(line);
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73 if (offset != -1 && (itsICode[offset] == (byte)TokenStream.LINE ||
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74 itsICode[offset] == (byte)TokenStream.BREAKPOINT))
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76 itsICode[offset] = (byte) TokenStream.BREAKPOINT;
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82 public boolean removeBreakpoint(int line) {
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83 int offset = getOffset(line);
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84 if (offset != -1 && itsICode[offset] == (byte) TokenStream.BREAKPOINT)
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86 itsICode[offset] = (byte) TokenStream.LINE;
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92 private int getOffset(int line) {
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93 int offset = itsLineNumberTable.getInt(line, -1);
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94 if (0 <= offset && offset <= itsICode.length) {
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102 String itsSourceFile;
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103 boolean itsNeedsActivation;
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104 boolean itsFromEvalCode;
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105 boolean itsUseDynamicScope;
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106 boolean itsCheckThis;
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107 byte itsFunctionType;
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109 String[] itsStringTable;
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110 int itsStringTableIndex;
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112 double[] itsNumberTable;
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113 int itsNumberTableIndex;
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115 InterpretedFunction[] itsNestedFunctions;
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117 Object[] itsRegExpLiterals;
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125 int itsMaxTryDepth;
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127 UintMap itsLineNumberTable;
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129 Object securityDomain;
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