com.google.javascript.rhino.ErrorReporter Maven / Gradle / Ivy
/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Norris Boyd
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
// API class
package com.google.javascript.rhino;
/**
* This is interface defines a protocol for the reporting of
* errors during JavaScript translation or execution.
*
*/
public interface ErrorReporter {
/**
* Report a warning.
*
* The implementing class may choose to ignore the warning
* if it desires.
*
* @param message a String describing the warning
* @param sourceName a String describing the JavaScript source
* where the warning occurred; typically a filename or URL
* @param line the line number associated with the warning
* @param lineOffset the offset into lineSource where problem was detected
*/
void warning(String message, String sourceName, int line, int lineOffset);
/**
* Report an error.
*
* The implementing class is free to throw an exception if
* it desires.
*
* If execution has not yet begun, the JavaScript engine is
* free to find additional errors rather than terminating
* the translation. It will not execute a script that had
* errors, however.
*
* @param message a String describing the error
* @param sourceName a String describing the JavaScript source
* where the error occurred; typically a filename or URL
* @param line the line number associated with the error
* @param lineOffset the offset into lineSource where problem was detected
*/
void error(String message, String sourceName, int line, int lineOffset);
static final ErrorReporter NULL_INSTANCE =
new ErrorReporter() {
@Override
public void warning(String message, String sourceName, int line, int lineOffset) {}
@Override
public void error(String message, String sourceName, int line, int lineOffset) {}
};
static final ErrorReporter ALWAYS_THROWS_INSTANCE =
new ErrorReporter() {
@Override
public void warning(String message, String sourceName, int line, int lineOffset) {
throw new IllegalStateException(message);
}
@Override
public void error(String message, String sourceName, int line, int lineOffset) {
throw new IllegalStateException(message);
}
};
}