platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/DefaultChangeLocalityDetector.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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.
 */
package com.intellij.codeInsight.daemon.impl;

import com.intellij.codeInsight.daemon.ChangeLocalityDetector;
import com.intellij.codeInspection.SuppressionUtilCore;
import com.intellij.psi.PsiComment;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiWhiteSpace;
import org.jetbrains.annotations.NotNull;

public class DefaultChangeLocalityDetector implements ChangeLocalityDetector {
  @Override
  public PsiElement getChangeHighlightingDirtyScopeFor(@NotNull PsiElement changedElement) {
    if (changedElement instanceof PsiWhiteSpace ||
        changedElement instanceof PsiComment
        && !changedElement.getText().contains(SuppressionUtilCore.SUPPRESS_INSPECTIONS_TAG_NAME)) {
      return changedElement;
    }
    return null;
  }
}