001 002 package railo.runtime.sql.old; 003 004 public final class ParseException extends Exception 005 { 006 007 public ParseException(Token token, int ai[][], String as[]) 008 { 009 super(""); 010 eol = System.getProperty("line.separator", "\n"); 011 specialConstructor = true; 012 currentToken = token; 013 expectedTokenSequences = ai; 014 tokenImage = as; 015 } 016 017 public ParseException() 018 { 019 eol = System.getProperty("line.separator", "\n"); 020 specialConstructor = false; 021 } 022 023 public ParseException(String s) 024 { 025 super(s); 026 eol = System.getProperty("line.separator", "\n"); 027 specialConstructor = false; 028 } 029 030 public String getMessage() 031 { 032 if(!specialConstructor) 033 return super.getMessage(); 034 String s = ""; 035 int i = 0; 036 for(int j = 0; j < expectedTokenSequences.length; j++) 037 { 038 if(i < expectedTokenSequences[j].length) 039 i = expectedTokenSequences[j].length; 040 for(int k = 0; k < expectedTokenSequences[j].length; k++) 041 s = s + tokenImage[expectedTokenSequences[j][k]] + " "; 042 043 if(expectedTokenSequences[j][expectedTokenSequences[j].length - 1] != 0) 044 s = s + "..."; 045 s = s + eol + " "; 046 } 047 048 String s1 = "Encountered \""; 049 Token token = currentToken.next; 050 for(int l = 0; l < i; l++) 051 { 052 if(l != 0) 053 s1 = s1 + " "; 054 if(token.kind == 0) 055 { 056 s1 = s1 + tokenImage[0]; 057 break; 058 } 059 s1 = s1 + add_escapes(token.image); 060 token = token.next; 061 } 062 063 s1 = s1 + "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn; 064 s1 = s1 + "." + eol; 065 if(expectedTokenSequences.length == 1) 066 s1 = s1 + "Was expecting:" + eol + " "; 067 else 068 s1 = s1 + "Was expecting one of:" + eol + " "; 069 s1 = s1 + s; 070 return s1; 071 } 072 073 protected String add_escapes(String s) 074 { 075 StringBuffer stringbuffer = new StringBuffer(); 076 for(int i = 0; i < s.length(); i++) 077 { 078 char c; 079 switch(s.charAt(i)) 080 { 081 case 0: // '\0' 082 break; 083 084 case 8: // '\b' 085 stringbuffer.append("\\b"); 086 break; 087 088 case 9: // '\t' 089 stringbuffer.append("\\t"); 090 break; 091 092 case 10: // '\n' 093 stringbuffer.append("\\n"); 094 break; 095 096 case 12: // '\f' 097 stringbuffer.append("\\f"); 098 break; 099 100 case 13: // '\r' 101 stringbuffer.append("\\r"); 102 break; 103 104 case 34: // '"' 105 stringbuffer.append("\\\""); 106 break; 107 108 case 39: // '\'' 109 stringbuffer.append("\\'"); 110 break; 111 112 case 92: // '\\' 113 stringbuffer.append("\\\\"); 114 break; 115 116 default: 117 if((c = s.charAt(i)) < ' ' || c > '~') 118 { 119 String s1 = "0000" + Integer.toString(c, 16); 120 stringbuffer.append("\\u" + s1.substring(s1.length() - 4, s1.length())); 121 } else 122 { 123 stringbuffer.append(c); 124 } 125 break; 126 } 127 } 128 129 return stringbuffer.toString(); 130 } 131 132 protected boolean specialConstructor; 133 public Token currentToken; 134 public int expectedTokenSequences[][]; 135 public String tokenImage[]; 136 protected String eol; 137 }