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1 /* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */ |
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2 /* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */ |
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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 * Describes the input token stream. |
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7 */ |
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8 |
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9 public class Token implements java.io.Serializable { |
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10 |
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11 /** |
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12 * The version identifier for this Serializable class. |
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13 * Increment only if the <i>serialized</i> form of the |
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14 * class changes. |
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15 */ |
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16 private static final long serialVersionUID = 1L; |
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17 |
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18 /** |
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19 * An integer that describes the kind of this token. This numbering |
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20 * system is determined by JavaCCParser, and a table of these numbers is |
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21 * stored in the file ...Constants.java. |
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22 */ |
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23 public int kind; |
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24 |
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25 /** The line number of the first character of this Token. */ |
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26 public int beginLine; |
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27 /** The column number of the first character of this Token. */ |
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28 public int beginColumn; |
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29 /** The line number of the last character of this Token. */ |
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30 public int endLine; |
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31 /** The column number of the last character of this Token. */ |
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32 public int endColumn; |
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33 |
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34 /** |
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35 * The string image of the token. |
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36 */ |
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37 public String image; |
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38 |
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39 /** |
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40 * A reference to the next regular (non-special) token from the input |
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41 * stream. If this is the last token from the input stream, or if the |
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42 * token manager has not read tokens beyond this one, this field is |
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43 * set to null. This is true only if this token is also a regular |
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44 * token. Otherwise, see below for a description of the contents of |
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45 * this field. |
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46 */ |
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47 public Token next; |
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48 |
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49 /** |
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50 * This field is used to access special tokens that occur prior to this |
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51 * token, but after the immediately preceding regular (non-special) token. |
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52 * If there are no such special tokens, this field is set to null. |
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53 * When there are more than one such special token, this field refers |
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54 * to the last of these special tokens, which in turn refers to the next |
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55 * previous special token through its specialToken field, and so on |
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56 * until the first special token (whose specialToken field is null). |
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57 * The next fields of special tokens refer to other special tokens that |
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58 * immediately follow it (without an intervening regular token). If there |
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59 * is no such token, this field is null. |
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60 */ |
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61 public Token specialToken; |
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62 |
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63 /** |
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64 * An optional attribute value of the Token. |
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65 * Tokens which are not used as syntactic sugar will often contain |
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66 * meaningful values that will be used later on by the compiler or |
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67 * interpreter. This attribute value is often different from the image. |
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68 * Any subclass of Token that actually wants to return a non-null value can |
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69 * override this method as appropriate. |
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70 */ |
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71 public Object getValue() { |
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72 return null; |
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73 } |
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74 |
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75 /** |
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76 * No-argument constructor |
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77 */ |
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78 public Token() {} |
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79 |
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80 /** |
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81 * Constructs a new token for the specified Image. |
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82 */ |
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83 public Token(int kind) |
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84 { |
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85 this(kind, null); |
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86 } |
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87 |
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88 /** |
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89 * Constructs a new token for the specified Image and Kind. |
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90 */ |
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91 public Token(int kind, String image) |
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92 { |
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93 this.kind = kind; |
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94 this.image = image; |
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95 } |
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96 |
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97 /** |
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98 * Returns the image. |
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99 */ |
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100 public String toString() |
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101 { |
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102 return image; |
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103 } |
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104 |
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105 /** |
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106 * Returns a new Token object, by default. However, if you want, you |
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107 * can create and return subclass objects based on the value of ofKind. |
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108 * Simply add the cases to the switch for all those special cases. |
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109 * For example, if you have a subclass of Token called IDToken that |
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110 * you want to create if ofKind is ID, simply add something like : |
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111 * |
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112 * case MyParserConstants.ID : return new IDToken(ofKind, image); |
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113 * |
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114 * to the following switch statement. Then you can cast matchedToken |
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115 * variable to the appropriate type and use sit in your lexical actions. |
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116 */ |
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117 public static Token newToken(int ofKind, String image) |
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118 { |
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119 switch(ofKind) |
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120 { |
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121 default : return new Token(ofKind, image); |
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122 } |
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123 } |
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124 |
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125 public static Token newToken(int ofKind) |
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126 { |
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127 return newToken(ofKind, null); |
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128 } |
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129 |
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130 } |
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131 /* JavaCC - OriginalChecksum=4fed70c581b710c02d269444889ad1b8 (do not edit this line) */ |