1674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen/*** 2674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ASM: a very small and fast Java bytecode manipulation framework 3674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Copyright (c) 2000-2007 INRIA, France Telecom 4674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * All rights reserved. 5674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 6674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Redistribution and use in source and binary forms, with or without 7674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * modification, are permitted provided that the following conditions 8674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * are met: 9674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 1. Redistributions of source code must retain the above copyright 10674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * notice, this list of conditions and the following disclaimer. 11674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 2. Redistributions in binary form must reproduce the above copyright 12674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * notice, this list of conditions and the following disclaimer in the 13674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * documentation and/or other materials provided with the distribution. 14674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 3. Neither the name of the copyright holders nor the names of its 15674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * contributors may be used to endorse or promote products derived from 16674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * this software without specific prior written permission. 17674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 18674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * THE POSSIBILITY OF SUCH DAMAGE. 29674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 30674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogenpackage org.mockito.asm; 31674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 32674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen/** 33674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * A non standard class, field, method or code attribute. 34674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 35674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @author Eric Bruneton 36674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @author Eugene Kuleshov 37674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 38674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogenpublic class Attribute { 39674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 40674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 41674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * The type of this attribute. 42674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 43674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public final String type; 44674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 45674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 46674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * The raw value of this attribute, used only for unknown attributes. 47674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 48674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen byte[] value; 49674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 50674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 51674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * The next attribute in this attribute list. May be <tt>null</tt>. 52674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 53674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen Attribute next; 54674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 55674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 56674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Constructs a new empty attribute. 57674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 58674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param type the type of the attribute. 59674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 60674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen protected Attribute(final String type) { 61674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen this.type = type; 62674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 63674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 64674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 65674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns <tt>true</tt> if this type of attribute is unknown. The default 66674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * implementation of this method always returns <tt>true</tt>. 67674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 68674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return <tt>true</tt> if this type of attribute is unknown. 69674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 70674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public boolean isUnknown() { 71674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return true; 72674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 73674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 74674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 75674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns <tt>true</tt> if this type of attribute is a code attribute. 76674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 77674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return <tt>true</tt> if this type of attribute is a code attribute. 78674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 79674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen public boolean isCodeAttribute() { 80674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return false; 81674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 82674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 83674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 84674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns the labels corresponding to this attribute. 85674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 86674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return the labels corresponding to this attribute, or <tt>null</tt> if 87674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * this attribute is not a code attribute that contains labels. 88674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 89674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen protected Label[] getLabels() { 90674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return null; 91674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 92674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 93674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 94674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Reads a {@link #type type} attribute. This method must return a <i>new</i> 95674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * {@link Attribute} object, of type {@link #type type}, corresponding to 96674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * the <tt>len</tt> bytes starting at the given offset, in the given class 97674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * reader. 98674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 99674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param cr the class that contains the attribute to be read. 100674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param off index of the first byte of the attribute's content in {@link 101674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * ClassReader#b cr.b}. The 6 attribute header bytes, containing the 102674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * type and the length of the attribute, are not taken into account 103674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * here. 104674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param len the length of the attribute's content. 105674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param buf buffer to be used to call 106674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * {@link ClassReader#readUTF8 readUTF8}, 107674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * {@link ClassReader#readClass(int,char[]) readClass} or 108674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * {@link ClassReader#readConst readConst}. 109674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param codeOff index of the first byte of code's attribute content in 110674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * {@link ClassReader#b cr.b}, or -1 if the attribute to be read is 111674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * not a code attribute. The 6 attribute header bytes, containing the 112674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * type and the length of the attribute, are not taken into account 113674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * here. 114674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param labels the labels of the method's code, or <tt>null</tt> if the 115674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attribute to be read is not a code attribute. 116674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return a <i>new</i> {@link Attribute} object corresponding to the given 117674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * bytes. 118674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 119674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen protected Attribute read( 120674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final ClassReader cr, 121674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int off, 122674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int len, 123674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final char[] buf, 124674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int codeOff, 125674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final Label[] labels) 126674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen { 127674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen Attribute attr = new Attribute(type); 128674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen attr.value = new byte[len]; 129674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen System.arraycopy(cr.b, off, attr.value, 0, len); 130674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return attr; 131674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 132674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 133674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 134674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns the byte array form of this attribute. 135674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 136674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param cw the class to which this attribute must be added. This parameter 137674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * can be used to add to the constant pool of this class the items 138674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * that corresponds to this attribute. 139674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param code the bytecode of the method corresponding to this code 140674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attribute, or <tt>null</tt> if this attribute is not a code 141674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes. 142674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param len the length of the bytecode of the method corresponding to this 143674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * code attribute, or <tt>null</tt> if this attribute is not a code 144674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attribute. 145674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxStack the maximum stack size of the method corresponding to 146674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * this code attribute, or -1 if this attribute is not a code 147674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attribute. 148674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxLocals the maximum number of local variables of the method 149674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * corresponding to this code attribute, or -1 if this attribute is 150674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * not a code attribute. 151674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return the byte array form of this attribute. 152674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 153674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen protected ByteVector write( 154674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final ClassWriter cw, 155674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final byte[] code, 156674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int len, 157674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxStack, 158674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxLocals) 159674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen { 160674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen ByteVector v = new ByteVector(); 161674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen v.data = value; 162674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen v.length = value.length; 163674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return v; 164674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 165674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 166674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 167674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns the length of the attribute list that begins with this attribute. 168674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 169674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return the length of the attribute list that begins with this attribute. 170674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 171674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int getCount() { 172674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen int count = 0; 173674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen Attribute attr = this; 174674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen while (attr != null) { 175674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen count += 1; 176674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen attr = attr.next; 177674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 178674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return count; 179674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 180674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 181674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 182674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Returns the size of all the attributes in this attribute list. 183674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 184674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param cw the class writer to be used to convert the attributes into byte 185674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * arrays, with the {@link #write write} method. 186674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param code the bytecode of the method corresponding to these code 187674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes, or <tt>null</tt> if these attributes are not code 188674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes. 189674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param len the length of the bytecode of the method corresponding to 190674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * these code attributes, or <tt>null</tt> if these attributes are 191674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * not code attributes. 192674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxStack the maximum stack size of the method corresponding to 193674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * these code attributes, or -1 if these attributes are not code 194674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes. 195674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxLocals the maximum number of local variables of the method 196674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * corresponding to these code attributes, or -1 if these attributes 197674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * are not code attributes. 198674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @return the size of all the attributes in this attribute list. This size 199674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * includes the size of the attribute headers. 200674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 201674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int getSize( 202674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final ClassWriter cw, 203674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final byte[] code, 204674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int len, 205674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxStack, 206674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxLocals) 207674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen { 208674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen Attribute attr = this; 209674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen int size = 0; 210674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen while (attr != null) { 211674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen cw.newUTF8(attr.type); 212674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen size += attr.write(cw, code, len, maxStack, maxLocals).length + 6; 213674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen attr = attr.next; 214674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 215674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen return size; 216674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 217674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen 218674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen /** 219674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * Writes all the attributes of this attribute list in the given byte 220674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * vector. 221674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * 222674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param cw the class writer to be used to convert the attributes into byte 223674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * arrays, with the {@link #write write} method. 224674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param code the bytecode of the method corresponding to these code 225674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes, or <tt>null</tt> if these attributes are not code 226674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes. 227674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param len the length of the bytecode of the method corresponding to 228674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * these code attributes, or <tt>null</tt> if these attributes are 229674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * not code attributes. 230674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxStack the maximum stack size of the method corresponding to 231674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * these code attributes, or -1 if these attributes are not code 232674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * attributes. 233674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param maxLocals the maximum number of local variables of the method 234674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * corresponding to these code attributes, or -1 if these attributes 235674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * are not code attributes. 236674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen * @param out where the attributes must be written. 237674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen */ 238674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final void put( 239674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final ClassWriter cw, 240674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final byte[] code, 241674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int len, 242674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxStack, 243674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final int maxLocals, 244674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen final ByteVector out) 245674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen { 246674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen Attribute attr = this; 247674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen while (attr != null) { 248674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen ByteVector b = attr.write(cw, code, len, maxStack, maxLocals); 249674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen out.putShort(cw.newUTF8(attr.type)).putInt(b.length); 250674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen out.putByteArray(b.data, 0, b.length); 251674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen attr = attr.next; 252674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 253674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen } 254674060f01e9090cd21b3c5656cc3204912ad17a6Jon Boekenoogen} 255