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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.htmlunit.corejs.javascript.ast;
import java.util.ArrayList;
import java.util.List;
import org.htmlunit.corejs.javascript.EvaluatorException;
/**
* An error reporter that gathers the errors and warnings for later display. This a useful {@link
* org.htmlunit.corejs.javascript.ErrorReporter} when the {@link org.htmlunit.corejs.javascript.CompilerEnvirons} is
* set to ide-mode (for IDEs).
*
* @author Steve Yegge
*/
public class ErrorCollector implements IdeErrorReporter {
private List errors = new ArrayList<>();
/**
* This is not called during AST generation. {@link #warning(String,String,int,int)} is used
* instead.
*
* @throws UnsupportedOperationException
*/
@Override
public void warning(
String message, String sourceName, int line, String lineSource, int lineOffset) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@Override
public void warning(String message, String sourceName, int offset, int length) {
errors.add(
new ParseProblem(ParseProblem.Type.Warning, message, sourceName, offset, length));
}
/**
* This is not called during AST generation. {@link #warning(String,String,int,int)} is used
* instead.
*
* @throws UnsupportedOperationException
*/
@Override
public void error(
String message, String sourceName, int line, String lineSource, int lineOffset) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@Override
public void error(String message, String sourceName, int fileOffset, int length) {
errors.add(
new ParseProblem(ParseProblem.Type.Error, message, sourceName, fileOffset, length));
}
/** {@inheritDoc} */
@Override
public EvaluatorException runtimeError(
String message, String sourceName, int line, String lineSource, int lineOffset) {
throw new UnsupportedOperationException();
}
/** Returns the list of errors and warnings produced during parsing. */
public List getErrors() {
return errors;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder(errors.size() * 100);
for (ParseProblem pp : errors) {
sb.append(pp.toString()).append("\n");
}
return sb.toString();
}
}