| /* |
| * Copyright (C) 2007 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.cf.attrib; |
| |
| import com.android.dx.cf.code.ByteCatchList; |
| import com.android.dx.cf.code.BytecodeArray; |
| import com.android.dx.cf.iface.AttributeList; |
| import com.android.dx.util.MutabilityException; |
| |
| /** |
| * Attribute class for standard {@code Code} attributes. |
| */ |
| public final class AttCode extends BaseAttribute { |
| /** {@code non-null;} attribute name for attributes of this type */ |
| public static final String ATTRIBUTE_NAME = "Code"; |
| |
| /** {@code >= 0;} the stack size */ |
| private final int maxStack; |
| |
| /** {@code >= 0;} the number of locals */ |
| private final int maxLocals; |
| |
| /** {@code non-null;} array containing the bytecode per se */ |
| private final BytecodeArray code; |
| |
| /** {@code non-null;} the exception table */ |
| private final ByteCatchList catches; |
| |
| /** {@code non-null;} the associated list of attributes */ |
| private final AttributeList attributes; |
| |
| /** |
| * Constructs an instance. |
| * |
| * @param maxStack {@code >= 0;} the stack size |
| * @param maxLocals {@code >= 0;} the number of locals |
| * @param code {@code non-null;} array containing the bytecode per se |
| * @param catches {@code non-null;} the exception table |
| * @param attributes {@code non-null;} the associated list of attributes |
| */ |
| public AttCode(int maxStack, int maxLocals, BytecodeArray code, |
| ByteCatchList catches, AttributeList attributes) { |
| super(ATTRIBUTE_NAME); |
| |
| if (maxStack < 0) { |
| throw new IllegalArgumentException("maxStack < 0"); |
| } |
| |
| if (maxLocals < 0) { |
| throw new IllegalArgumentException("maxLocals < 0"); |
| } |
| |
| if (code == null) { |
| throw new NullPointerException("code == null"); |
| } |
| |
| try { |
| if (catches.isMutable()) { |
| throw new MutabilityException("catches.isMutable()"); |
| } |
| } catch (NullPointerException ex) { |
| // Translate the exception. |
| throw new NullPointerException("catches == null"); |
| } |
| |
| try { |
| if (attributes.isMutable()) { |
| throw new MutabilityException("attributes.isMutable()"); |
| } |
| } catch (NullPointerException ex) { |
| // Translate the exception. |
| throw new NullPointerException("attributes == null"); |
| } |
| |
| this.maxStack = maxStack; |
| this.maxLocals = maxLocals; |
| this.code = code; |
| this.catches = catches; |
| this.attributes = attributes; |
| } |
| |
| public int byteLength() { |
| return 10 + code.byteLength() + catches.byteLength() + |
| attributes.byteLength(); |
| } |
| |
| /** |
| * Gets the maximum stack size. |
| * |
| * @return {@code >= 0;} the maximum stack size |
| */ |
| public int getMaxStack() { |
| return maxStack; |
| } |
| |
| /** |
| * Gets the number of locals. |
| * |
| * @return {@code >= 0;} the number of locals |
| */ |
| public int getMaxLocals() { |
| return maxLocals; |
| } |
| |
| /** |
| * Gets the bytecode array. |
| * |
| * @return {@code non-null;} the bytecode array |
| */ |
| public BytecodeArray getCode() { |
| return code; |
| } |
| |
| /** |
| * Gets the exception table. |
| * |
| * @return {@code non-null;} the exception table |
| */ |
| public ByteCatchList getCatches() { |
| return catches; |
| } |
| |
| /** |
| * Gets the associated attribute list. |
| * |
| * @return {@code non-null;} the attribute list |
| */ |
| public AttributeList getAttributes() { |
| return attributes; |
| } |
| } |