/*
* 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.LocalInspectionToolSession;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtilCore;
import com.intellij.openapi.projectRoots.Sdk;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.util.Processor;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.erlang.psi.*;
import org.intellij.erlang.sdk.ErlangSdkRelease;
import org.intellij.erlang.sdk.ErlangSdkType;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class ErlangR17SyntaxInspection extends ErlangInspectionBase {
@Override
protected boolean canRunOn(@NotNull ErlangFile file) {
Module module = ModuleUtilCore.findModuleForPsiElement(file);
Sdk sdk = module == null ? null : ModuleRootManager.getInstance(module).getSdk();
ErlangSdkRelease release = sdk != null ? ErlangSdkType.getRelease(sdk) : null;
return release == null || !release.isNewerThan(ErlangSdkRelease.R17);
}
@NotNull
@Override
protected ErlangVisitor buildErlangVisitor(@NotNull final ProblemsHolder holder, @NotNull LocalInspectionToolSession session) {
return new ErlangVisitor() {
@Override
public void visitFunExpression(@NotNull ErlangFunExpression funExpression) {
ErlangFunClauses funClauses = funExpression.getFunClauses();
List<ErlangFunClause> funClauseList = funClauses != null ? funClauses.getFunClauseList() : null;
if (ContainerUtil.isEmpty(funClauseList)) return;
ContainerUtil.process(funClauseList, new Processor<ErlangFunClause>() {
@Override
public boolean process(ErlangFunClause funClause) {
ErlangArgumentDefinition funName = funClause.getArgumentDefinition();
if (funName != null) {
holder.registerProblem(funName, "Named funs require Erlang/OTP 17.0");
}
return true;
}
});
}
@Override
public void visitMapExpression(@NotNull ErlangMapExpression mapExpression) {
holder.registerProblem(mapExpression, "Maps require Erlang/OTP 17.0");
}
};
}
}