1 | /* |
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2 | * JavaStackFrame.java |
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3 | * |
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4 | * Copyright (C) 2009 Mark Evenson |
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5 | * $Id: JavaStackFrame.java 14581 2013-08-27 09:14:41Z mevenson $ |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License |
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9 | * as published by the Free Software Foundation; either version 2 |
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10 | * of the License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 | * |
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21 | * As a special exception, the copyright holders of this library give you |
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22 | * permission to link this library with independent modules to produce an |
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23 | * executable, regardless of the license terms of these independent |
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24 | * modules, and to copy and distribute the resulting executable under |
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25 | * terms of your choice, provided that you also meet, for each linked |
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26 | * independent module, the terms and conditions of the license of that |
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27 | * module. An independent module is a module which is not derived from |
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28 | * or based on this library. If you modify this library, you may extend |
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29 | * this exception to your version of the library, but you are not |
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30 | * obligated to do so. If you do not wish to do so, delete this |
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31 | * exception statement from your version. |
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32 | */ |
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33 | |
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34 | package org.armedbear.lisp; |
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35 | |
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36 | import static org.armedbear.lisp.Lisp.*; |
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37 | |
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38 | import org.armedbear.lisp.protocol.Inspectable; |
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39 | |
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40 | public class JavaStackFrame |
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41 | extends StackFrame |
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42 | implements Inspectable |
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43 | { |
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44 | public final StackTraceElement javaFrame; |
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45 | |
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46 | public JavaStackFrame(StackTraceElement javaFrame) |
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47 | { |
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48 | this.javaFrame = javaFrame; |
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49 | } |
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50 | |
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51 | @Override |
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52 | public LispObject typeOf() { |
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53 | return Symbol.JAVA_STACK_FRAME; |
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54 | } |
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55 | |
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56 | @Override |
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57 | public LispObject classOf() { return BuiltInClass.JAVA_STACK_FRAME; } |
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58 | |
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59 | @Override |
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60 | public String printObject() { |
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61 | final String JAVA_STACK_FRAME = "JAVA-STACK-FRAME"; |
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62 | return unreadableString(JAVA_STACK_FRAME + " " |
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63 | + toLispString().toString()); |
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64 | } |
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65 | |
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66 | @Override |
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67 | public LispObject typep(LispObject typeSpecifier) |
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68 | |
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69 | { |
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70 | if (typeSpecifier == Symbol.JAVA_STACK_FRAME) |
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71 | return T; |
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72 | if (typeSpecifier == BuiltInClass.JAVA_STACK_FRAME) |
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73 | return T; |
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74 | return super.typep(typeSpecifier); |
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75 | } |
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76 | |
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77 | static final Symbol CLASS = internKeyword("CLASS"); |
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78 | static final Symbol METHOD = internKeyword("METHOD"); |
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79 | static final Symbol FILE = internKeyword("FILE"); |
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80 | static final Symbol LINE = internKeyword("LINE"); |
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81 | static final Symbol NATIVE_METHOD = internKeyword("NATIVE-METHOD"); |
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82 | |
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83 | public LispObject toLispList() |
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84 | { |
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85 | LispObject result = Lisp.NIL; |
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86 | |
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87 | if ( javaFrame == null) |
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88 | return result; |
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89 | |
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90 | result = result.push(CLASS); |
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91 | result = result.push(new SimpleString(javaFrame.getClassName())); |
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92 | result = result.push(METHOD); |
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93 | result = result.push(new SimpleString(javaFrame.getMethodName())); |
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94 | result = result.push(FILE); |
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95 | result = result.push(new SimpleString(javaFrame.getFileName())); |
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96 | result = result.push(LINE); |
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97 | result = result.push(Fixnum.getInstance(javaFrame.getLineNumber())); |
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98 | if (javaFrame.isNativeMethod()) { |
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99 | result = result.push(NATIVE_METHOD); |
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100 | result = result.push(Symbol.T); |
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101 | } |
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102 | |
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103 | return result.nreverse(); |
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104 | } |
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105 | |
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106 | @Override |
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107 | public SimpleString toLispString() |
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108 | |
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109 | { |
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110 | return new SimpleString(javaFrame.toString()); |
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111 | } |
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112 | |
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113 | @Override |
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114 | public LispObject getParts() |
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115 | |
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116 | { |
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117 | LispObject result = NIL; |
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118 | result = result.push(new Cons("CLASS", |
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119 | new SimpleString(javaFrame.getClassName()))); |
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120 | result = result.push(new Cons("METHOD", |
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121 | new SimpleString(javaFrame.getMethodName()))); |
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122 | result = result.push(new Cons("FILE", |
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123 | new SimpleString(javaFrame.getFileName()))); |
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124 | result = result.push(new Cons("LINE", |
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125 | Fixnum.getInstance(javaFrame.getLineNumber()))); |
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126 | result = result.push(new Cons("NATIVE-METHOD", |
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127 | LispObject.getInstance(javaFrame.isNativeMethod()))); |
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128 | return result.nreverse(); |
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129 | } |
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130 | } |
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