/*
* Copyright (c) 2011-2015 EPFL DATA Laboratory
* Copyright (c) 2014-2015 The Squall Collaboration (see NOTICE)
*
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
/* JavaCCOptions: */
/** Schema + cardinality information extractor. */
package ch.epfl.data.squall.api.sql.schema.parser;
/** Token Manager Error. */
public class TokenMgrError extends Error {
/**
* Replaces unprintable characters by their escaped (or unicode escaped)
* equivalents in the given string
*/
protected static final String addEscapes(String str) {
final StringBuilder retval = new StringBuilder();
char ch;
for (int i = 0; i < str.length(); i++)
switch (str.charAt(i)) {
case 0:
continue;
case '\b':
retval.append("\\b");
continue;
case '\t':
retval.append("\\t");
continue;
case '\n':
retval.append("\\n");
continue;
case '\f':
retval.append("\\f");
continue;
case '\r':
retval.append("\\r");
continue;
case '\"':
retval.append("\\\"");
continue;
case '\'':
retval.append("\\\'");
continue;
case '\\':
retval.append("\\\\");
continue;
default:
if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
final String s = "0000" + Integer.toString(ch, 16);
retval.append("\\u"
+ s.substring(s.length() - 4, s.length()));
} else
retval.append(ch);
continue;
}
return retval.toString();
}
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Returns a detailed message for the Error when it is thrown by the token
* manager to indicate a lexical error. Parameters : EOFSeen : indicates if
* EOF caused the lexical error curLexState : lexical state in which this
* error occurred errorLine : line number when the error occurred
* errorColumn : column number when the error occurred errorAfter : prefix
* that was seen before this error occurred curchar : the offending
* character Note: You can customize the lexical error message by modifying
* this method.
*/
protected static String LexicalError(boolean EOFSeen, int lexState,
int errorLine, int errorColumn, String errorAfter, char curChar) {
return ("Lexical error at line "
+ errorLine
+ ", column "
+ errorColumn
+ ". Encountered: "
+ (EOFSeen ? "<EOF> " : ("\""
+ addEscapes(String.valueOf(curChar)) + "\"")
+ " (" + (int) curChar + "), ") + "after : \""
+ addEscapes(errorAfter) + "\"");
}
/**
* The version identifier for this Serializable class. Increment only if the
* <i>serialized</i> form of the class changes.
*/
private static final long serialVersionUID = 1L;
/**
* Lexical error occurred.
*/
static final int LEXICAL_ERROR = 0;
/**
* An attempt was made to create a second instance of a static token
* manager.
*/
static final int STATIC_LEXER_ERROR = 1;
/**
* Tried to change to an invalid lexical state.
*/
static final int INVALID_LEXICAL_STATE = 2;
/**
* Detected (and bailed out of) an infinite loop in the token manager.
*/
static final int LOOP_DETECTED = 3;
/**
* Indicates the reason why the exception is thrown. It will have one of the
* above 4 values.
*/
int errorCode;
/** No arg constructor. */
public TokenMgrError() {
}
/*
* Constructors of various flavors follow.
*/
/** Full Constructor. */
public TokenMgrError(boolean EOFSeen, int lexState, int errorLine,
int errorColumn, String errorAfter, char curChar, int reason) {
this(LexicalError(EOFSeen, lexState, errorLine, errorColumn,
errorAfter, curChar), reason);
}
/** Constructor with message and reason. */
public TokenMgrError(String message, int reason) {
super(message);
errorCode = reason;
}
/**
* You can also modify the body of this method to customize your error
* messages. For example, cases like LOOP_DETECTED and INVALID_LEXICAL_STATE
* are not of end-users concern, so you can return something like :
* "Internal Error : Please file a bug report .... " from this method for
* such cases in the release version of your parser.
*/
@Override
public String getMessage() {
return super.getMessage();
}
}
/*
* JavaCC - OriginalChecksum=ef81f40f7e9ce46313342b2bbefd6576 (do not edit this
* line)
*/