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A packaging of the IntelliJ Community Edition python-community library. This is release number 1 of trunk branch 142.

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/*
 * Copyright 2000-2014 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.lang.ASTNode;
import com.jetbrains.python.PyElementTypes;
import com.jetbrains.python.PythonDialectsTokenSetProvider;
import com.jetbrains.python.psi.*;
import com.jetbrains.python.psi.stubs.PyExceptPartStub;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;

/**
 * @author dcheryasov
 */
public class PyExceptPartImpl extends PyBaseElementImpl implements PyExceptPart {
  public PyExceptPartImpl(ASTNode astNode) {
    super(astNode);
  }

  public PyExceptPartImpl(PyExceptPartStub stub) {
    super(stub, PyElementTypes.EXCEPT_PART);
  }

  @Override
  protected void acceptPyVisitor(PyElementVisitor pyVisitor) {
    pyVisitor.visitPyExceptBlock(this);
  }

  @Nullable
  public PyExpression getExceptClass() {
    return childToPsi(PythonDialectsTokenSetProvider.INSTANCE.getExpressionTokens(), 0);
  }

  @Nullable
  public PyExpression getTarget() {
    return childToPsi(PythonDialectsTokenSetProvider.INSTANCE.getExpressionTokens(), 1);
  }

  @NotNull
  public PyStatementList getStatementList() {
    return childToPsiNotNull(PyElementTypes.STATEMENT_LIST);
  }

  @NotNull
  public Iterable iterateNames() {
    return new ArrayList(PyUtil.flattenedParensAndStars(getTarget()));
  }

  public PyElement getElementNamed(final String the_name) {
    // Requires switching from stubs to AST in getTarget()
    return IterHelper.findName(iterateNames(), the_name);
  }

  public boolean mustResolveOutside() {
    return false;
  }
}