org.intellij.erlang.inspection.ErlangSpecificationForUndefinedFunctionInspection.java Source code

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Here is the source code for org.intellij.erlang.inspection.ErlangSpecificationForUndefinedFunctionInspection.java

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/*
 * Copyright 2012 Volodymyr Kyrychenko
 *
 * 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.ProblemsHolder;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import org.apache.commons.lang.StringUtils;
import org.intellij.erlang.ErlangFileType;
import org.intellij.erlang.psi.ErlangFunTypeSigs;
import org.intellij.erlang.psi.ErlangRecursiveVisitor;
import org.intellij.erlang.psi.ErlangSpecification;
import org.jetbrains.annotations.NotNull;

public class ErlangSpecificationForUndefinedFunctionInspection extends ErlangBaseInspection {
    @Override
    protected void checkFile(PsiFile file, final ProblemsHolder problemsHolder) {
        if (!StringUtils.endsWith(file.getName(), ErlangFileType.MODULE.getDefaultExtension()))
            return;

        file.accept(new ErlangRecursiveVisitor() {
            @Override
            public void visitSpecification(@NotNull ErlangSpecification o) {
                //supported functions without modules only for now
                ErlangFunTypeSigs signature = o.getSignature();
                if (signature != null) {
                    PsiReference reference = signature.getReference();
                    if (reference != null && reference.resolve() == null) {
                        problemsHolder.registerProblem(o,
                                "Specification for undefined function '" + signature.getSpecFun().getText() + "'");
                    }
                }
            }
        });
    }

}