| /* |
| * 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.jetbrains.python.inspections; |
| |
| import com.intellij.codeInspection.LocalInspectionToolSession; |
| import com.intellij.codeInspection.ProblemsHolder; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiElementVisitor; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.PyNames; |
| import com.jetbrains.python.psi.PyCallExpression; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyExpression; |
| import com.jetbrains.python.psi.PyReferenceExpression; |
| import com.jetbrains.python.psi.types.PyClassType; |
| import com.jetbrains.python.psi.types.PyType; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Alexey.Ivanov |
| */ |
| public class PySuperArgumentsInspection extends PyInspection { |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return PyBundle.message("INSP.NAME.wrong.super.arguments"); |
| } |
| |
| @NotNull |
| @Override |
| public PsiElementVisitor buildVisitor(@NotNull ProblemsHolder holder, boolean isOnTheFly, @NotNull LocalInspectionToolSession session) { |
| return new Visitor(holder, session); |
| } |
| |
| private static class Visitor extends PyInspectionVisitor { |
| |
| public Visitor(final ProblemsHolder holder, LocalInspectionToolSession session) { |
| super(holder, session); |
| } |
| |
| @Override |
| public void visitPyCallExpression(PyCallExpression node) { |
| final PyExpression callee = node.getCallee(); |
| if (callee != null) { |
| if (PyNames.SUPER.equals(callee.getName())) { |
| PyExpression[] arguments = node.getArguments(); |
| if (arguments.length == 2) { |
| if (arguments[0] instanceof PyReferenceExpression && arguments[1] instanceof PyReferenceExpression) { |
| PyClass firstClass = findClassOf(arguments[0]); |
| PyClass secondClass = findClassOf(arguments[1]); |
| if (firstClass != null && secondClass != null) { |
| if (!secondClass.isSubclass(firstClass)) { |
| registerProblem( |
| node.getArgumentList(), |
| PyBundle.message("INSP.$0.is.not.superclass.of.$1", |
| secondClass.getName(), firstClass.getName()) |
| ); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| @Nullable |
| private PyClass findClassOf(PyExpression argument) { |
| PsiElement firstElement = ((PyReferenceExpression)argument).followAssignmentsChain(getResolveContext()).getElement(); |
| PyClass firstClass = null; |
| if (firstElement instanceof PyClass) firstClass = (PyClass)firstElement; |
| else if (firstElement instanceof PyExpression) { |
| PyType first_type = myTypeEvalContext.getType((PyExpression)firstElement); |
| if (first_type instanceof PyClassType) { |
| firstClass = ((PyClassType)first_type).getPyClass(); |
| } |
| } |
| return firstClass; |
| } |
| } |
| } |