- package com.sun.org.apache.bcel.internal.util;
-
- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" and
- * "Apache BCEL" must not be used to endorse or promote products
- * derived from this software without prior written permission. For
- * written permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * "Apache BCEL", nor may "Apache" appear in their name, without
- * prior written permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- import com.sun.org.apache.bcel.internal.classfile.*;
- import java.io.*;
-
- /**
- * Convert found attributes into HTML file.
- *
- * @version $Id: AttributeHTML.java,v 1.1.1.1 2001/10/29 20:00:28 jvanzyl Exp $
- * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
- *
- */
- final class AttributeHTML implements com.sun.org.apache.bcel.internal.Constants {
- private String class_name; // name of current class
- private PrintWriter file; // file to write to
- private int attr_count = 0;
- private ConstantHTML constant_html;
- private ConstantPool constant_pool;
-
- AttributeHTML(String dir, String class_name, ConstantPool constant_pool,
- ConstantHTML constant_html) throws IOException
- {
- this.class_name = class_name;
- this.constant_pool = constant_pool;
- this.constant_html = constant_html;
-
- file = new PrintWriter(new FileOutputStream(dir + class_name + "_attributes.html"));
- file.println("<HTML><BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");
- }
-
- private final String codeLink(int link, int method_number) {
- return "<A HREF=\"" + class_name + "_code.html#code" +
- method_number + "@" + link + "\" TARGET=Code>" +
- link + "</A>";
- }
-
- final void close() {
- file.println("</TABLE></BODY></HTML>");
- file.close();
- }
-
- final void writeAttribute(Attribute attribute, String anchor) throws IOException {
- writeAttribute(attribute, anchor, 0);
- }
-
- final void writeAttribute(Attribute attribute, String anchor, int method_number) throws IOException {
- byte tag = attribute.getTag();
- int index;
-
- if(tag == ATTR_UNKNOWN) // Don't know what to do about this one
- return;
-
- attr_count++; // Increment number of attributes found so far
-
- if(attr_count % 2 == 0)
- file.print("<TR BGCOLOR=\"#C0C0C0\"><TD>");
- else
- file.print("<TR BGCOLOR=\"#A0A0A0\"><TD>");
-
- file.println("<H4><A NAME=\"" + anchor + "\">" + attr_count + " " + ATTRIBUTE_NAMES[tag] + "</A></H4>");
-
- /* Handle different attributes
- */
- switch(tag) {
- case ATTR_CODE:
- Code c = (Code)attribute;
- Attribute[] attributes = c.getAttributes();
-
- // Some directly printable values
- file.print("<UL><LI>Maximum stack size = " + c.getMaxStack() +
- "</LI>\n<LI>Number of local variables = " +
- c.getMaxLocals() + "</LI>\n<LI><A HREF=\"" + class_name +
- "_code.html#method" + method_number + "\" TARGET=Code>Byte code</A></LI></UL>\n");
-
- // Get handled exceptions and list them
- CodeException[] ce = c.getExceptionTable();
- int len = ce.length;
-
- if(len > 0) {
- file.print("<P><B>Exceptions handled</B><UL>");
-
- for(int i=0; i < len; i++) {
- int catch_type = ce[i].getCatchType(); // Index in constant pool
-
- file.print("<LI>");
-
- if(catch_type != 0)
- file.print(constant_html.referenceConstant(catch_type)); // Create Link to _cp.html
- else
- file.print("Any Exception");
-
- file.print("<BR>(Ranging from lines " + codeLink(ce[i].getStartPC(), method_number) +
- " to " + codeLink(ce[i].getEndPC(), method_number) + ", handled at line " +
- codeLink(ce[i].getHandlerPC(), method_number) + ")</LI>");
- }
- file.print("</UL>");
- }
- break;
-
- case ATTR_CONSTANT_VALUE:
- index = ((ConstantValue)attribute).getConstantValueIndex();
-
- // Reference _cp.html
- file.print("<UL><LI><A HREF=\"" + class_name + "_cp.html#cp" + index +
- "\" TARGET=\"ConstantPool\">Constant value index(" + index +")</A></UL>\n");
- break;
-
- case ATTR_SOURCE_FILE:
- index = ((SourceFile)attribute).getSourceFileIndex();
-
- // Reference _cp.html
- file.print("<UL><LI><A HREF=\"" + class_name + "_cp.html#cp" + index +
- "\" TARGET=\"ConstantPool\">Source file index(" + index +")</A></UL>\n");
- break;
-
- case ATTR_EXCEPTIONS:
- // List thrown exceptions
- int[] indices = ((ExceptionTable)attribute).getExceptionIndexTable();
-
- file.print("<UL>");
-
- for(int i=0; i < indices.length; i++)
- file.print("<LI><A HREF=\"" + class_name + "_cp.html#cp" + indices[i] +
- "\" TARGET=\"ConstantPool\">Exception class index(" + indices[i] + ")</A>\n");
-
- file.print("</UL>\n");
- break;
-
- case ATTR_LINE_NUMBER_TABLE:
- LineNumber[] line_numbers =((LineNumberTable)attribute).getLineNumberTable();
-
- // List line number pairs
- file.print("<P>");
-
- for(int i=0; i < line_numbers.length; i++) {
- file.print("(" + line_numbers[i].getStartPC() + ", " + line_numbers[i].getLineNumber() + ")");
-
- if(i < line_numbers.length - 1)
- file.print(", "); // breakable
- }
- break;
-
- case ATTR_LOCAL_VARIABLE_TABLE:
- LocalVariable[] vars = ((LocalVariableTable)attribute).getLocalVariableTable();
-
- // List name, range and type
- file.print("<UL>");
-
- for(int i=0; i < vars.length; i++) {
- index = vars[i].getSignatureIndex();
- String signature = ((ConstantUtf8)constant_pool.getConstant(index, CONSTANT_Utf8)).getBytes();
- signature = Utility.signatureToString(signature, false);
- int start = vars[i].getStartPC();
- int end = (start + vars[i].getLength());
-
- file.println("<LI>" + Class2HTML.referenceType(signature) +
- " <B>" + vars[i].getName() + "</B> in slot %" + vars[i].getIndex() +
- "<BR>Valid from lines " +
- "<A HREF=\"" + class_name + "_code.html#code" + method_number + "@" + start + "\" TARGET=Code>" +
- start + "</A> to " +
- "<A HREF=\"" + class_name + "_code.html#code" + method_number + "@" + end + "\" TARGET=Code>" +
- end + "</A></LI>");
- }
- file.print("</UL>\n");
-
- break;
-
- case ATTR_INNER_CLASSES:
- InnerClass[] classes = ((InnerClasses)attribute).getInnerClasses();
-
- // List inner classes
- file.print("<UL>");
-
- for(int i=0; i < classes.length; i++) {
- String name, access;
-
- index = classes[i].getInnerNameIndex();
- if(index > 0)
- name =((ConstantUtf8)constant_pool.getConstant(index, CONSTANT_Utf8)).getBytes();
- else
- name = "<anonymous>";
-
- access = Utility.accessToString(classes[i].getInnerAccessFlags());
-
- file.print("<LI><FONT COLOR=\"#FF0000\">" + access + "</FONT> "+
- constant_html.referenceConstant(classes[i].getInnerClassIndex()) +
- " in class " +
- constant_html.referenceConstant(classes[i].getOuterClassIndex()) +
- " named " + name + "</LI>\n");
- }
-
- file.print("</UL>\n");
- break;
-
- default: // Such as Unknown attribute or Deprecated
- file.print("<P>" + attribute.toString());
- }
-
- file.println("</TD></TR>");
- file.flush();
- }
- }