001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019 020package lucee.runtime.sql.old; 021 022public final class ParseException extends Exception 023{ 024 025 public ParseException(Token token, int ai[][], String as[]) 026 { 027 super(""); 028 eol = System.getProperty("line.separator", "\n"); 029 specialConstructor = true; 030 currentToken = token; 031 expectedTokenSequences = ai; 032 tokenImage = as; 033 } 034 035 public ParseException() 036 { 037 eol = System.getProperty("line.separator", "\n"); 038 specialConstructor = false; 039 } 040 041 public ParseException(String s) 042 { 043 super(s); 044 eol = System.getProperty("line.separator", "\n"); 045 specialConstructor = false; 046 } 047 048 public String getMessage() 049 { 050 if(!specialConstructor) 051 return super.getMessage(); 052 String s = ""; 053 int i = 0; 054 for(int j = 0; j < expectedTokenSequences.length; j++) 055 { 056 if(i < expectedTokenSequences[j].length) 057 i = expectedTokenSequences[j].length; 058 for(int k = 0; k < expectedTokenSequences[j].length; k++) 059 s = s + tokenImage[expectedTokenSequences[j][k]] + " "; 060 061 if(expectedTokenSequences[j][expectedTokenSequences[j].length - 1] != 0) 062 s = s + "..."; 063 s = s + eol + " "; 064 } 065 066 String s1 = "Encountered \""; 067 Token token = currentToken.next; 068 for(int l = 0; l < i; l++) 069 { 070 if(l != 0) 071 s1 = s1 + " "; 072 if(token.kind == 0) 073 { 074 s1 = s1 + tokenImage[0]; 075 break; 076 } 077 s1 = s1 + add_escapes(token.image); 078 token = token.next; 079 } 080 081 s1 = s1 + "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn; 082 s1 = s1 + "." + eol; 083 if(expectedTokenSequences.length == 1) 084 s1 = s1 + "Was expecting:" + eol + " "; 085 else 086 s1 = s1 + "Was expecting one of:" + eol + " "; 087 s1 = s1 + s; 088 return s1; 089 } 090 091 protected String add_escapes(String s) 092 { 093 StringBuffer stringbuffer = new StringBuffer(); 094 for(int i = 0; i < s.length(); i++) 095 { 096 char c; 097 switch(s.charAt(i)) 098 { 099 case 0: // '\0' 100 break; 101 102 case 8: // '\b' 103 stringbuffer.append("\\b"); 104 break; 105 106 case 9: // '\t' 107 stringbuffer.append("\\t"); 108 break; 109 110 case 10: // '\n' 111 stringbuffer.append("\\n"); 112 break; 113 114 case 12: // '\f' 115 stringbuffer.append("\\f"); 116 break; 117 118 case 13: // '\r' 119 stringbuffer.append("\\r"); 120 break; 121 122 case 34: // '"' 123 stringbuffer.append("\\\""); 124 break; 125 126 case 39: // '\'' 127 stringbuffer.append("\\'"); 128 break; 129 130 case 92: // '\\' 131 stringbuffer.append("\\\\"); 132 break; 133 134 default: 135 if((c = s.charAt(i)) < ' ' || c > '~') 136 { 137 String s1 = "0000" + Integer.toString(c, 16); 138 stringbuffer.append("\\u" + s1.substring(s1.length() - 4, s1.length())); 139 } else 140 { 141 stringbuffer.append(c); 142 } 143 break; 144 } 145 } 146 147 return stringbuffer.toString(); 148 } 149 150 protected boolean specialConstructor; 151 public Token currentToken; 152 public int expectedTokenSequences[][]; 153 public String tokenImage[]; 154 protected String eol; 155}