| /* |
| * Copyright 2000-2009 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 org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import com.intellij.psi.tree.IElementType; |
| |
| /** |
| * Represents a simple assignment (<code>a=b</code>) or a compound assignment (<code>a+=1</code>) expression. |
| */ |
| public interface PsiAssignmentExpression extends PsiExpression { |
| /** |
| * Returns the expression on the left side of the assignment. |
| * |
| * @return the left side expression. |
| */ |
| @NotNull |
| PsiExpression getLExpression(); |
| |
| /** |
| * Returns the expression on the right side of the assignment. |
| * |
| * @return the right side expression, or null if the assignment |
| * expression is incomplete. |
| */ |
| @Nullable |
| PsiExpression getRExpression(); |
| |
| /** |
| * Returns the token representing the assignment operation ({@link JavaTokenType#EQ} for a simple |
| * assignment, {@link JavaTokenType#PLUSEQ} etc. for a compound assignment). |
| * |
| * @return the assignment operation token. |
| */ |
| @NotNull |
| PsiJavaToken getOperationSign(); |
| |
| /** |
| * Returns the type of the token representing the operation performed. |
| * |
| * @return the token type. |
| */ |
| @NotNull |
| IElementType getOperationTokenType(); |
| } |