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266 lines
12 KiB
266 lines
12 KiB
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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package com.sun.org.apache.bcel.internal.util;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache BCEL" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache BCEL", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import com.sun.org.apache.bcel.internal.classfile.*;
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import java.io.*;
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/**
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* Convert constant pool into HTML file.
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*
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* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
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*
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*/
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final class ConstantHTML implements com.sun.org.apache.bcel.internal.Constants {
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private String class_name; // name of current class
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private String class_package; // name of package
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private ConstantPool constant_pool; // reference to constant pool
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private PrintWriter file; // file to write to
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private String[] constant_ref; // String to return for cp[i]
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private Constant[] constants; // The constants in the cp
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private Method[] methods;
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ConstantHTML(String dir, String class_name, String class_package, Method[] methods,
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ConstantPool constant_pool) throws IOException
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{
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this.class_name = class_name;
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this.class_package = class_package;
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this.constant_pool = constant_pool;
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this.methods = methods;
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constants = constant_pool.getConstantPool();
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file = new PrintWriter(new FileOutputStream(dir + class_name + "_cp.html"));
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constant_ref = new String[constants.length];
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constant_ref[0] = "<unknown>";
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file.println("<HTML><BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");
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// Loop through constants, constants[0] is reserved
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for(int i=1; i < constants.length; i++) {
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if(i % 2 == 0)
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file.print("<TR BGCOLOR=\"#C0C0C0\"><TD>");
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else
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file.print("<TR BGCOLOR=\"#A0A0A0\"><TD>");
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if(constants[i] != null)
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writeConstant(i);
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file.print("</TD></TR>\n");
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}
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file.println("</TABLE></BODY></HTML>");
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file.close();
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}
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String referenceConstant(int index) {
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return constant_ref[index];
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}
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private void writeConstant(int index) {
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byte tag = constants[index].getTag();
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int class_index, name_index;
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String ref;
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// The header is always the same
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file.println("<H4> <A NAME=cp" + index + ">" + index + "</A> " + CONSTANT_NAMES[tag] + "</H4>");
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/* For every constant type get the needed parameters and print them appropiately
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*/
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switch(tag) {
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case CONSTANT_InterfaceMethodref:
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case CONSTANT_Methodref:
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// Get class_index and name_and_type_index, depending on type
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if(tag == CONSTANT_Methodref) {
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ConstantMethodref c = (ConstantMethodref)constant_pool.getConstant(index, CONSTANT_Methodref);
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class_index = c.getClassIndex();
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name_index = c.getNameAndTypeIndex();
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}
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else {
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ConstantInterfaceMethodref c1 = (ConstantInterfaceMethodref)constant_pool.getConstant(index, CONSTANT_InterfaceMethodref);
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class_index = c1.getClassIndex();
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name_index = c1.getNameAndTypeIndex();
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}
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// Get method name and its class
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String method_name = constant_pool.constantToString(name_index, CONSTANT_NameAndType);
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String html_method_name = Class2HTML.toHTML(method_name);
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// Partially compacted class name, i.e., / -> .
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String method_class = constant_pool.constantToString(class_index, CONSTANT_Class);
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String short_method_class = Utility.compactClassName(method_class); // I.e., remove java.lang.
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short_method_class = Utility.compactClassName(method_class); // I.e., remove java.lang.
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short_method_class = Utility.compactClassName(short_method_class, class_package + ".", true); // Remove class package prefix
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// Get method signature
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ConstantNameAndType c2 = (ConstantNameAndType)constant_pool.getConstant(name_index, CONSTANT_NameAndType);
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String signature = constant_pool.constantToString(c2.getSignatureIndex(), CONSTANT_Utf8);
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// Get array of strings containing the argument types
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String[] args = Utility.methodSignatureArgumentTypes(signature, false);
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// Get return type string
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String type = Utility.methodSignatureReturnType(signature, false);
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String ret_type = Class2HTML.referenceType(type);
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StringBuffer buf = new StringBuffer("(");
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for(int i=0; i < args.length; i++) {
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buf.append(Class2HTML.referenceType(args[i]));
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if(i < args.length - 1)
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buf.append(", ");
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}
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buf.append(")");
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String arg_types = buf.toString();
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if(method_class.equals(class_name)) // Method is local to class
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ref = "<A HREF=\"" + class_name + "_code.html#method" + getMethodNumber(method_name + signature) +
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"\" TARGET=Code>" + html_method_name + "</A>";
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else
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ref = "<A HREF=\"" + method_class + ".html" + "\" TARGET=_top>" + short_method_class +
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"</A>." + html_method_name;
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constant_ref[index] = ret_type + " <A HREF=\"" + class_name + "_cp.html#cp" + class_index +
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"\" TARGET=Constants>" +
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short_method_class + "</A>.<A HREF=\"" + class_name + "_cp.html#cp" +
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index + "\" TARGET=ConstantPool>" + html_method_name + "</A> " + arg_types;
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file.println("<P><TT>" + ret_type + " " + ref + arg_types + " </TT>\n<UL>" +
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"<LI><A HREF=\"#cp" + class_index + "\">Class index(" + class_index + ")</A>\n" +
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"<LI><A HREF=\"#cp" + name_index + "\">NameAndType index(" + name_index + ")</A></UL>");
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break;
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case CONSTANT_Fieldref:
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// Get class_index and name_and_type_index
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ConstantFieldref c3 = (ConstantFieldref)constant_pool.getConstant(index, CONSTANT_Fieldref);
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class_index = c3.getClassIndex();
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name_index = c3.getNameAndTypeIndex();
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// Get method name and its class (compacted)
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String field_class = constant_pool.constantToString(class_index, CONSTANT_Class);
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String short_field_class = Utility.compactClassName(field_class); // I.e., remove java.lang.
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short_field_class = Utility.compactClassName(short_field_class, class_package + ".", true); // Remove class package prefix
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String field_name = constant_pool.constantToString(name_index, CONSTANT_NameAndType);
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if(field_class.equals(class_name)) // Field is local to class
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ref = "<A HREF=\"" + field_class + "_methods.html#field" +
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field_name + "\" TARGET=Methods>" + field_name + "</A>";
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else
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ref = "<A HREF=\"" + field_class + ".html\" TARGET=_top>" +
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short_field_class + "</A>." + field_name + "\n";
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constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + class_index + "\" TARGET=Constants>" +
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short_field_class + "</A>.<A HREF=\"" + class_name + "_cp.html#cp" +
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index + "\" TARGET=ConstantPool>" + field_name + "</A>";
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file.println("<P><TT>" + ref + "</TT><BR>\n" + "<UL>" +
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"<LI><A HREF=\"#cp" + class_index + "\">Class(" + class_index + ")</A><BR>\n" +
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"<LI><A HREF=\"#cp" + name_index + "\">NameAndType(" + name_index + ")</A></UL>");
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break;
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case CONSTANT_Class:
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ConstantClass c4 = (ConstantClass)constant_pool.getConstant(index, CONSTANT_Class);
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name_index = c4.getNameIndex();
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String class_name2 = constant_pool.constantToString(index, tag); // / -> .
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String short_class_name = Utility.compactClassName(class_name2); // I.e., remove java.lang.
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short_class_name = Utility.compactClassName(short_class_name, class_package + ".", true); // Remove class package prefix
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ref = "<A HREF=\"" + class_name2 + ".html\" TARGET=_top>" + short_class_name + "</A>";
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constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + index +
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"\" TARGET=ConstantPool>" + short_class_name + "</A>";
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file.println("<P><TT>" + ref + "</TT><UL>" +
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"<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A></UL>\n");
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break;
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case CONSTANT_String:
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ConstantString c5 = (ConstantString)constant_pool.getConstant(index, CONSTANT_String);
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name_index = c5.getStringIndex();
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String str = Class2HTML.toHTML(constant_pool.constantToString(index, tag));
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file.println("<P><TT>" + str + "</TT><UL>" +
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"<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A></UL>\n");
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break;
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case CONSTANT_NameAndType:
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ConstantNameAndType c6 = (ConstantNameAndType)constant_pool.getConstant(index, CONSTANT_NameAndType);
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name_index = c6.getNameIndex();
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int signature_index = c6.getSignatureIndex();
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file.println("<P><TT>" + Class2HTML.toHTML(constant_pool.constantToString(index, tag)) + "</TT><UL>" +
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"<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A>\n" +
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"<LI><A HREF=\"#cp" + signature_index + "\">Signature index(" +
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signature_index + ")</A></UL>\n");
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break;
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default:
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file.println("<P><TT>" + Class2HTML.toHTML(constant_pool.constantToString(index, tag)) + "</TT>\n");
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} // switch
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}
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private final int getMethodNumber(String str) {
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for(int i=0; i < methods.length; i++) {
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String cmp = methods[i].getName() + methods[i].getSignature();
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if(cmp.equals(str))
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return i;
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}
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return -1;
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}
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}
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