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