Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/util/SourceRef.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.util;
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19
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20 /**
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21 * a source reference abstraction wrapping file and line information
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22 */
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23 public class SourceRef {
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24 public String fileName;
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25 public int line;
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26
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27 public SourceRef (String f, int l) {
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28 if (f == null) {
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29 fileName = "?";
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30 } else {
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31 fileName = f;
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32 }
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33
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34 line = l;
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35 }
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36
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37 public SourceRef (String spec){
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38 int idx = spec.indexOf(':');
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39 if (idx > 0){
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40 fileName = spec.substring(0, idx);
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41 line = Integer.parseInt(spec.substring(idx+1));
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42 } else {
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43 fileName = spec;
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44 line = 0;
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45 }
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46 }
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47
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48 public String getLocationString() {
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49 return (fileName + ':' + line);
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50 }
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51
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52 public String getLineString () {
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53 Source source = Source.getSource(fileName);
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54 if (source != null) {
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55 return source.getLine(line);
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56 } else {
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57 return null;
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58 }
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59 }
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60
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61 @Override
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62 public boolean equals (Object o) {
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63 if (o == null) {
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64 return false;
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65 }
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66
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67 if (!(o instanceof SourceRef)) {
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68 return false;
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69 }
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70
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71 SourceRef that = (SourceRef) o;
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72
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73 if (this.fileName == null) {
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74 return false;
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75 }
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76
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77 if (this.line == -1) {
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78 return false;
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79 }
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80
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81 if (!this.fileName.equals(that.fileName)) {
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82 return false;
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83 }
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84
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85 if (this.line != that.line) {
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86 return false;
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87 }
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88
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89 return true;
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90 }
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91
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92 public boolean equals (String f, int l) {
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93 if (fileName == null) {
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94 return false;
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95 }
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96
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97 if (line == -1) {
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98 return false;
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99 }
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100
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101 if (!fileName.equals(f)) {
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102 return false;
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103 }
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104
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105 if (line != l) {
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106 return false;
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107 }
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108
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109 return true;
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110 }
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111
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112 public boolean equals (String filePos){
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113 if (filePos.startsWith(fileName)){
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114 int len = fileName.length();
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115 if (filePos.charAt(len) == ':'){
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116 if (Integer.parseInt(filePos.substring(len+1)) == line){
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117 return true;
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118 }
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119 }
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120 }
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121
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122 return false;
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123 }
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124
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125 @Override
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126 public int hashCode() {
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127 assert false : "hashCode not designed";
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128 return 42; // any arbitrary constant will do
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129 // thanks, FindBugs!
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130 }
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131
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132 public String getFileName () {
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133 return fileName;
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134 }
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135
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136 public void set (SourceRef sr) {
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137 fileName = sr.fileName;
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138 line = sr.line;
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139 }
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140
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141 @Override
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142 public String toString () {
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143 return (fileName + ':' + line);
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144 }
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145 }