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/*
* 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.psi.*;
import com.intellij.util.ProcessingContext;
import com.jetbrains.python.psi.AccessDirection;
import com.jetbrains.python.psi.PyExpression;
import com.jetbrains.python.psi.PyQualifiedExpression;
import com.jetbrains.python.psi.resolve.CompletionVariantsProcessor;
import com.jetbrains.python.psi.resolve.PyResolveContext;
import com.jetbrains.python.psi.resolve.RatedResolveResult;
import com.jetbrains.python.psi.types.PyCallableParameter;
import com.jetbrains.python.psi.types.PyClassLikeType;
import com.jetbrains.python.psi.types.PyType;
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 PyJavaClassType implements PyClassLikeType {
private final PsiClass myClass;
private final boolean myDefinition;
public PyJavaClassType(final PsiClass aClass, boolean definition) {
myClass = aClass;
myDefinition = definition;
}
@Nullable
public List<? extends RatedResolveResult> resolveMember(@NotNull final String name,
PyExpression location,
@NotNull AccessDirection direction,
@NotNull PyResolveContext resolveContext) {
return resolveMember(name, location, direction, resolveContext, true);
}
@Nullable
@Override
public List<? extends RatedResolveResult> resolveMember(@NotNull String name,
@Nullable PyExpression location,
@NotNull AccessDirection direction,
@NotNull PyResolveContext resolveContext,
boolean inherited) {
final PsiMethod[] methods = myClass.findMethodsByName(name, inherited);
if (methods.length > 0) {
ResolveResultList resultList = new ResolveResultList();
for (PsiMethod method : methods) {
resultList.poke(method, RatedResolveResult.RATE_NORMAL);
}
return resultList;
}
final PsiField field = myClass.findFieldByName(name, inherited);
if (field != null) return ResolveResultList.to(field);
return null;
}
public Object[] getCompletionVariants(String completionPrefix, PsiElement location, ProcessingContext context) {
final CompletionVariantsProcessor processor = new CompletionVariantsProcessor(location);
myClass.processDeclarations(processor, ResolveState.initial(), null, location);
return processor.getResult();
}
public String getName() {
if (myClass != null) {
return myClass.getName();
}
else {
return null;
}
}
@Override
public boolean isBuiltin() {
return false; // TODO: JDK's types could be considered built-in.
}
@Override
public void assertValid(String message) {
}
@Override
public boolean isCallable() {
return myDefinition;
}
@Nullable
@Override
public PyType getReturnType(@NotNull TypeEvalContext context) {
if (myDefinition) {
return new PyJavaClassType(myClass, false);
}
return null;
}
@Nullable
@Override
public PyType getCallType(@NotNull TypeEvalContext context, @NotNull PyQualifiedExpression callSite) {
return getReturnType(context);
}
@Nullable
@Override
public List<PyCallableParameter> getParameters(@NotNull TypeEvalContext context) {
return null;
}
@Override
public boolean isDefinition() {
return myDefinition;
}
@Override
public PyClassLikeType toInstance() {
return myDefinition ? new PyJavaClassType(myClass, false) : this;
}
@Nullable
@Override
public String getClassQName() {
return myClass.getQualifiedName();
}
@NotNull
@Override
public List<PyClassLikeType> getSuperClassTypes(@NotNull TypeEvalContext context) {
final List<PyClassLikeType> result = new ArrayList<PyClassLikeType>();
for (PsiClass cls : myClass.getSupers()) {
result.add(new PyJavaClassType(cls, myDefinition));
}
return result;
}
@Override
public boolean isValid() {
return myClass.isValid();
}
@Nullable
@Override
public PyClassLikeType getMetaClassType(@NotNull TypeEvalContext context, boolean inherited) {
return null;
}
public PsiClass getPsiClass() {
return myClass;
}
}
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