| /* |
| * 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.psi.impl; |
| |
| import com.intellij.openapi.module.ModuleUtil; |
| import com.intellij.psi.*; |
| import com.intellij.util.Processor; |
| import com.jetbrains.python.psi.PyFunction; |
| import com.jetbrains.python.psi.PyNamedParameter; |
| import com.jetbrains.python.psi.PyParameterList; |
| import com.jetbrains.python.psi.search.PySuperMethodsSearch; |
| import com.jetbrains.python.psi.types.PyType; |
| import com.jetbrains.python.psi.types.PyTypeProviderBase; |
| import com.jetbrains.python.psi.types.TypeEvalContext; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author yole |
| */ |
| public class PyJavaTypeProvider extends PyTypeProviderBase { |
| @Nullable |
| public PyType getReferenceType(@NotNull final PsiElement referenceTarget, TypeEvalContext context, @Nullable PsiElement anchor) { |
| if (referenceTarget instanceof PsiClass) { |
| return new PyJavaClassType((PsiClass) referenceTarget, true); |
| } |
| if (referenceTarget instanceof PsiPackage) { |
| return new PyJavaPackageType((PsiPackage) referenceTarget, anchor == null ? null : ModuleUtil.findModuleForPsiElement(anchor)); |
| } |
| if (referenceTarget instanceof PsiMethod) { |
| PsiMethod method = (PsiMethod) referenceTarget; |
| return new PyJavaMethodType(method); |
| } |
| if (referenceTarget instanceof PsiField) { |
| return asPyType(((PsiField)referenceTarget).getType()); |
| } |
| return null; |
| } |
| |
| @Nullable |
| public static PyType asPyType(PsiType type) { |
| if (type instanceof PsiClassType) { |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass psiClass = classType.resolve(); |
| if (psiClass != null) { |
| return new PyJavaClassType(psiClass, false); |
| } |
| } |
| return null; |
| } |
| |
| public PyType getParameterType(@NotNull final PyNamedParameter param, @NotNull final PyFunction func, @NotNull TypeEvalContext context) { |
| if (!(param.getParent() instanceof PyParameterList)) return null; |
| List<PyNamedParameter> params = ParamHelper.collectNamedParameters((PyParameterList) param.getParent()); |
| final int index = params.indexOf(param); |
| if (index < 0) return null; |
| final List<PyType> superMethodParameterTypes = new ArrayList<PyType>(); |
| PySuperMethodsSearch.search(func).forEach(new Processor<PsiElement>() { |
| public boolean process(final PsiElement psiElement) { |
| if (psiElement instanceof PsiMethod) { |
| final PsiMethod method = (PsiMethod)psiElement; |
| final PsiParameter[] psiParameters = method.getParameterList().getParameters(); |
| int javaIndex = method.hasModifierProperty(PsiModifier.STATIC) ? index : index-1; // adjust for 'self' parameter |
| if (javaIndex < psiParameters.length) { |
| PsiType paramType = psiParameters [javaIndex].getType(); |
| if (paramType instanceof PsiClassType) { |
| final PsiClass psiClass = ((PsiClassType)paramType).resolve(); |
| if (psiClass != null) { |
| superMethodParameterTypes.add(new PyJavaClassType(psiClass, false)); |
| } |
| } |
| } |
| } |
| return true; |
| } |
| }); |
| if (superMethodParameterTypes.size() > 0) { |
| return superMethodParameterTypes.get(0); |
| } |
| return null; |
| } |
| } |