| /* |
| * Copyright 2000-2012 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.intellij.psi; |
| |
| import com.intellij.util.ArrayFactory; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| /** |
| * Represents a single <code>catch</code> section of a Java <code>try ... catch</code> statement. |
| * |
| * @author ven |
| */ |
| public interface PsiCatchSection extends PsiElement { |
| /** |
| * The empty array of PSI catch sections which can be reused to avoid unnecessary allocations. |
| */ |
| PsiCatchSection[] EMPTY_ARRAY = new PsiCatchSection[0]; |
| |
| ArrayFactory<PsiCatchSection> ARRAY_FACTORY = new ArrayFactory<PsiCatchSection>() { |
| @NotNull |
| @Override |
| public PsiCatchSection[] create(final int count) { |
| return count == 0 ? EMPTY_ARRAY : new PsiCatchSection[count]; |
| } |
| }; |
| |
| /** |
| * Returns the variable in which the caught exception is captured. |
| * |
| * @return the parameter for the called variable, or null if none is specified. |
| */ |
| @Nullable |
| PsiParameter getParameter(); |
| |
| /** |
| * Returns the code block contained in the catch section. |
| * |
| * @return the code block, or null if the section is incomplete. |
| */ |
| @Nullable |
| PsiCodeBlock getCatchBlock(); |
| |
| /** |
| * Returns the type of the caught exception. |
| * |
| * @return the type, or null if the section is incomplete. |
| */ |
| @Nullable |
| PsiType getCatchType(); |
| |
| /** |
| * For language level 7 or higher returns the list of possible types for its parameter re-throw |
| * (as defined in Project Coin/JSR 334 section "Multi-catch and more precise rethrow"). |
| * Note that the list may be empty if exceptions of declared catch type are not explicitly thrown |
| * inside a try block. |
| * |
| * Otherwise, returns parameter's declared type. |
| * |
| * @return the types, or empty list if the section is incomplete. |
| */ |
| @NotNull |
| List<PsiType> getPreciseCatchTypes(); |
| |
| /** |
| * Returns the <code>try</code> statement to which the catch section is attached. |
| * |
| * @return the statement instance. |
| */ |
| @NotNull |
| PsiTryStatement getTryStatement(); |
| |
| @Nullable |
| PsiJavaToken getRParenth(); |
| |
| @Nullable |
| PsiJavaToken getLParenth(); |
| } |