| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * 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.android.dx.io.instructions; |
| |
| /** |
| * Cursor over code units, for reading or writing out Dalvik bytecode. |
| */ |
| public interface CodeCursor { |
| /** |
| * Gets the cursor. The cursor is the offset in code units from |
| * the start of the input of the next code unit to be read or |
| * written, where the input generally consists of the code for a |
| * single method. |
| */ |
| public int cursor(); |
| |
| /** |
| * Gets the base address associated with the current cursor. This |
| * differs from the cursor value when explicitly set (by {@link |
| * #setBaseAddress). This is used, in particular, to convey base |
| * addresses to switch data payload instructions, whose relative |
| * addresses are relative to the address of a dependant switch |
| * instruction. |
| */ |
| public int baseAddressForCursor(); |
| |
| /** |
| * Sets the base address for the given target address to be as indicated. |
| * |
| * @see #baseAddressForCursor |
| */ |
| public void setBaseAddress(int targetAddress, int baseAddress); |
| } |