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1 /* Generated By:JavaCC: Do not edit this line. ParseException.java Version 5.0 */ |
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2 /* JavaCCOptions:KEEP_LINE_COL=null */ |
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3 package jdk.internal.management.remote.rest.json.parser; |
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4 |
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5 /** |
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6 * This exception is thrown when parse errors are encountered. |
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7 * You can explicitly create objects of this exception type by |
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8 * calling the method generateParseException in the generated |
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9 * parser. |
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10 * |
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11 * You can modify this class to customize your error reporting |
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12 * mechanisms so long as you retain the public fields. |
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13 */ |
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14 public class ParseException extends Exception { |
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15 |
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16 /** |
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17 * The version identifier for this Serializable class. |
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18 * Increment only if the <i>serialized</i> form of the |
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19 * class changes. |
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20 */ |
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21 private static final long serialVersionUID = 1L; |
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22 |
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23 /** |
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24 * This constructor is used by the method "generateParseException" |
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25 * in the generated parser. Calling this constructor generates |
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26 * a new object of this type with the fields "currentToken", |
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27 * "expectedTokenSequences", and "tokenImage" set. |
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28 */ |
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29 public ParseException(Token currentTokenVal, |
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30 int[][] expectedTokenSequencesVal, |
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31 String[] tokenImageVal |
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32 ) |
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33 { |
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34 super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal)); |
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35 currentToken = currentTokenVal; |
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36 expectedTokenSequences = expectedTokenSequencesVal; |
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37 tokenImage = tokenImageVal; |
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38 } |
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39 |
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40 /** |
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41 * The following constructors are for use by you for whatever |
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42 * purpose you can think of. Constructing the exception in this |
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43 * manner makes the exception behave in the normal way - i.e., as |
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44 * documented in the class "Throwable". The fields "errorToken", |
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45 * "expectedTokenSequences", and "tokenImage" do not contain |
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46 * relevant information. The JavaCC generated code does not use |
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47 * these constructors. |
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48 */ |
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49 |
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50 public ParseException() { |
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51 super(); |
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52 } |
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53 |
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54 /** Constructor with message. */ |
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55 public ParseException(String message) { |
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56 super(message); |
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57 } |
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58 |
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59 |
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60 /** |
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61 * This is the last token that has been consumed successfully. If |
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62 * this object has been created due to a parse error, the token |
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63 * followng this token will (therefore) be the first error token. |
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64 */ |
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65 public Token currentToken; |
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66 |
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67 /** |
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68 * Each entry in this array is an array of integers. Each array |
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69 * of integers represents a sequence of tokens (by their ordinal |
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70 * values) that is expected at this point of the parse. |
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71 */ |
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72 public int[][] expectedTokenSequences; |
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73 |
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74 /** |
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75 * This is a reference to the "tokenImage" array of the generated |
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76 * parser within which the parse error occurred. This array is |
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77 * defined in the generated ...Constants interface. |
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78 */ |
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79 public String[] tokenImage; |
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80 |
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81 /** |
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82 * It uses "currentToken" and "expectedTokenSequences" to generate a parse |
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83 * error message and returns it. If this object has been created |
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84 * due to a parse error, and you do not catch it (it gets thrown |
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85 * from the parser) the correct error message |
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86 * gets displayed. |
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87 */ |
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88 private static String initialise(Token currentToken, |
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89 int[][] expectedTokenSequences, |
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90 String[] tokenImage) { |
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91 String eol = System.getProperty("line.separator", "\n"); |
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92 StringBuffer expected = new StringBuffer(); |
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93 int maxSize = 0; |
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94 for (int i = 0; i < expectedTokenSequences.length; i++) { |
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95 if (maxSize < expectedTokenSequences[i].length) { |
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96 maxSize = expectedTokenSequences[i].length; |
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97 } |
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98 for (int j = 0; j < expectedTokenSequences[i].length; j++) { |
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99 expected.append(tokenImage[expectedTokenSequences[i][j]]).append(' '); |
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100 } |
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101 if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) { |
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102 expected.append("..."); |
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103 } |
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104 expected.append(eol).append(" "); |
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105 } |
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106 String retval = "Encountered \""; |
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107 Token tok = currentToken.next; |
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108 for (int i = 0; i < maxSize; i++) { |
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109 if (i != 0) retval += " "; |
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110 if (tok.kind == 0) { |
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111 retval += tokenImage[0]; |
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112 break; |
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113 } |
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114 retval += " " + tokenImage[tok.kind]; |
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115 retval += " \""; |
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116 retval += add_escapes(tok.image); |
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117 retval += " \""; |
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118 tok = tok.next; |
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119 } |
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120 retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn; |
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121 retval += "." + eol; |
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122 if (expectedTokenSequences.length == 1) { |
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123 retval += "Was expecting:" + eol + " "; |
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124 } else { |
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125 retval += "Was expecting one of:" + eol + " "; |
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126 } |
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127 retval += expected.toString(); |
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128 return retval; |
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129 } |
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130 |
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131 /** |
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132 * The end of line string for this machine. |
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133 */ |
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134 protected String eol = System.getProperty("line.separator", "\n"); |
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135 |
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136 /** |
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137 * Used to convert raw characters to their escaped version |
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138 * when these raw version cannot be used as part of an ASCII |
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139 * string literal. |
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140 */ |
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141 static String add_escapes(String str) { |
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142 StringBuffer retval = new StringBuffer(); |
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143 char ch; |
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144 for (int i = 0; i < str.length(); i++) { |
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145 switch (str.charAt(i)) |
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146 { |
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147 case 0 : |
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148 continue; |
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149 case '\b': |
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150 retval.append("\\b"); |
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151 continue; |
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152 case '\t': |
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153 retval.append("\\t"); |
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154 continue; |
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155 case '\n': |
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156 retval.append("\\n"); |
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157 continue; |
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158 case '\f': |
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159 retval.append("\\f"); |
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160 continue; |
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161 case '\r': |
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162 retval.append("\\r"); |
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163 continue; |
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164 case '\"': |
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165 retval.append("\\\""); |
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166 continue; |
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167 case '\'': |
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168 retval.append("\\\'"); |
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169 continue; |
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170 case '\\': |
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171 retval.append("\\\\"); |
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172 continue; |
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173 default: |
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174 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { |
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175 String s = "0000" + Integer.toString(ch, 16); |
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176 retval.append("\\u" + s.substring(s.length() - 4, s.length())); |
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177 } else { |
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178 retval.append(ch); |
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179 } |
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180 continue; |
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181 } |
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182 } |
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183 return retval.toString(); |
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184 } |
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185 |
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186 } |
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187 /* JavaCC - OriginalChecksum=676ade0685adcc4f6efc95fc903deb31 (do not edit this line) */ |