org.apache.myfaces.trinidadbuild.plugin.javascript.javascript20parser.TokenMgrError Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 3.0 */
package org.apache.myfaces.trinidadbuild.plugin.javascript.javascript20parser;
public class TokenMgrError extends Error
{
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Lexical error occured.
*/
static final int LEXICAL_ERROR = 0;
/**
* An attempt wass 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;
/*
* Constructors of various flavors follow.
*/
public TokenMgrError()
{
}
public TokenMgrError(String message, int reason)
{
super(message);
errorCode = reason;
}
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);
}
/**
* Replaces unprintable characters by their espaced (or unicode escaped)
* equivalents in the given string
*/
protected static final String addEscapes(String str)
{
StringBuffer retval = new StringBuffer();
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))
{
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();
}
/**
* 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 lexicl error
* curLexState : lexical state in which this error occured
* errorLine : line number when the error occured
* errorColumn : column number when the error occured
* errorAfter : prefix that was seen before this error occured
* 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
? " "
: (("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" +
(int) curChar + "), ")) + "after : \"" + addEscapes(errorAfter) +
"\"");
}
/**
* 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.
*/
public String getMessage()
{
return super.getMessage();
}
}