/*
*
* 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.
*
*/
package org.apache.flex.compiler.clients.problems;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.problems.OperandStackUnderflowProblem;
/**
* A problem filter that implements filtering out certain errors from
* code gen, like StackUnderflow. These errors are often a result
* of some other error already reported. So, the compiler should
* only report these errors if there are no other errors to report.
*
*/
public class CodeGenErrorFilter implements IProblemFilter
{
/**
* Create a filter to exclude code gen errors.
*/
public CodeGenErrorFilter()
{
}
@Override
public boolean accept(ICompilerProblem p)
{
if (p instanceof OperandStackUnderflowProblem)
return false;
// accept it.
return true;
}
public boolean hasOtherErrors(Iterable<ICompilerProblem> problems)
{
for (ICompilerProblem problem : problems)
{
if (!(problem instanceof OperandStackUnderflowProblem))
return true;
}
return false;
}
}