| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| 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. |
| * |
| * @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; |
| |
| // 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(); |
| } |
| } |