/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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 org.intellij.erlang.inspection;
import com.intellij.codeInspection.ProblemHighlightType;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.psi.PsiReference;
import com.intellij.psi.search.LocalSearchScope;
import com.intellij.psi.search.searches.ReferencesSearch;
import com.intellij.util.Query;
import org.intellij.erlang.psi.ErlangFile;
import org.intellij.erlang.psi.ErlangTypeDefinition;
import org.intellij.erlang.quickfixes.ErlangExportTypeFix;
import org.intellij.erlang.quickfixes.ErlangRemoveTypeFix;
import org.jetbrains.annotations.NotNull;
public class ErlangUnusedTypeInspection extends ErlangInspectionBase {
@Override
protected void checkFile(@NotNull ErlangFile file, @NotNull final ProblemsHolder problemsHolder) {
for (ErlangTypeDefinition o : file.getTypes()) {
Query<PsiReference> search = ReferencesSearch.search(o, new LocalSearchScope(o.getContainingFile()));
if (search.findFirst() == null) {
problemsHolder.registerProblem(o.getNameIdentifier(),
"Unused type " + "'" + o.getName() + "'",
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
new ErlangRemoveTypeFix(),
new ErlangExportTypeFix());
}
}
}
}