Showing the changes to java/pkg/com/sun/tools/example/debug/expr/TokenMgrError.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,161 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 0.7pre2 */ | |
| 27 | +package com.sun.tools.example.debug.expr; | |
| 28 | + | |
| 29 | +public class TokenMgrError extends Error | |
| 30 | +{ | |
| 31 | + /* | |
| 32 | + * Ordinals for various reasons why an Error of this type can be thrown. | |
| 33 | + */ | |
| 34 | + | |
| 35 | + private static final long serialVersionUID = -6236440836177601522L; | |
| 36 | + | |
| 37 | + /** | |
| 38 | + * Lexical error occured. | |
| 39 | + */ | |
| 40 | + static final int LEXICAL_ERROR = 0; | |
| 41 | + | |
| 42 | + /** | |
| 43 | + * An attempt wass made to create a second instance of a static token manager. | |
| 44 | + */ | |
| 45 | + static final int STATIC_LEXER_ERROR = 1; | |
| 46 | + | |
| 47 | + /** | |
| 48 | + * Tried to change to an invalid lexical state. | |
| 49 | + */ | |
| 50 | + static final int INVALID_LEXICAL_STATE = 2; | |
| 51 | + | |
| 52 | + /** | |
| 53 | + * Detected (and bailed out of) an infinite loop in the token manager. | |
| 54 | + */ | |
| 55 | + static final int LOOP_DETECTED = 3; | |
| 56 | + | |
| 57 | + /** | |
| 58 | + * Indicates the reason why the exception is thrown. It will have | |
| 59 | + * one of the above 4 values. | |
| 60 | + */ | |
| 61 | + int errorCode; | |
| 62 | + | |
| 63 | + /** | |
| 64 | + * Replaces unprintable characters by their espaced (or unicode escaped) | |
| 65 | + * equivalents in the given string | |
| 66 | + */ | |
| 67 | + protected static final String addEscapes(String str) { | |
| 68 | + StringBuffer retval = new StringBuffer(); | |
| 69 | + char ch; | |
| 70 | + for (int i = 0; i < str.length(); i++) { | |
| 71 | + switch (str.charAt(i)) | |
| 72 | + { | |
| 73 | + case 0 : | |
| 74 | + continue; | |
| 75 | + case '\b': | |
| 76 | + retval.append("\\b"); | |
| 77 | + continue; | |
| 78 | + case '\t': | |
| 79 | + retval.append("\\t"); | |
| 80 | + continue; | |
| 81 | + case '\n': | |
| 82 | + retval.append("\\n"); | |
| 83 | + continue; | |
| 84 | + case '\f': | |
| 85 | + retval.append("\\f"); | |
| 86 | + continue; | |
| 87 | + case '\r': | |
| 88 | + retval.append("\\r"); | |
| 89 | + continue; | |
| 90 | + case '\"': | |
| 91 | + retval.append("\\\""); | |
| 92 | + continue; | |
| 93 | + case '\'': | |
| 94 | + retval.append("\\\'"); | |
| 95 | + continue; | |
| 96 | + case '\\': | |
| 97 | + retval.append("\\\\"); | |
| 98 | + continue; | |
| 99 | + default: | |
| 100 | + if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { | |
| 101 | + String s = "0000" + Integer.toString(ch, 16); | |
| 102 | + retval.append("\\u" + s.substring(s.length() - 4, s.length())); | |
| 103 | + } else { | |
| 104 | + retval.append(ch); | |
| 105 | + } | |
| 106 | + continue; | |
| 107 | + } | |
| 108 | + } | |
| 109 | + return retval.toString(); | |
| 110 | + } | |
| 111 | + | |
| 112 | + /** | |
| 113 | + * Returns a detailed message for the Error when it is thrown by the | |
| 114 | + * token manager to indicate a lexical error. | |
| 115 | + * Parameters : | |
| 116 | + * EOFSeen : indicates if EOF caused the lexicl error | |
| 117 | + * curLexState : lexical state in which this error occured | |
| 118 | + * errorLine : line number when the error occured | |
| 119 | + * errorColumn : column number when the error occured | |
| 120 | + * errorAfter : prefix that was seen before this error occured | |
| 121 | + * curchar : the offending character | |
| 122 | + * Note: You can customize the lexical error message by modifying this method. | |
| 123 | + */ | |
| 124 | + private static final String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) { | |
| 125 | + return("Lexical error at line " + | |
| 126 | + errorLine + ", column " + | |
| 127 | + errorColumn + ". Encountered: " + | |
| 128 | + (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") + | |
| 129 | + "after : \"" + addEscapes(errorAfter) + "\""); | |
| 130 | + } | |
| 131 | + | |
| 132 | + /** | |
| 133 | + * You can also modify the body of this method to customize your error messages. | |
| 134 | + * For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE are not | |
| 135 | + * of end-users concern, so you can return something like : | |
| 136 | + * | |
| 137 | + * "Internal Error : Please file a bug report .... " | |
| 138 | + * | |
| 139 | + * from this method for such cases in the release version of your parser. | |
| 140 | + */ | |
| 141 | + @Override | |
| 142 | + public String getMessage() { | |
| 143 | + return super.getMessage(); | |
| 144 | + } | |
| 145 | + | |
| 146 | + /* | |
| 147 | + * Constructors of various flavors follow. | |
| 148 | + */ | |
| 149 | + | |
| 150 | + public TokenMgrError() { | |
| 151 | + } | |
| 152 | + | |
| 153 | + public TokenMgrError(String message, int reason) { | |
| 154 | + super(message); | |
| 155 | + errorCode = reason; | |
| 156 | + } | |
| 157 | + | |
| 158 | + public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) { | |
| 159 | + this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason); | |
| 160 | + } | |
| 161 | +} | |