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Diffstat (limited to 'bcel-builder/src/org/aspectj/apache/bcel/util/AttributeHTML.java')
| -rw-r--r-- | bcel-builder/src/org/aspectj/apache/bcel/util/AttributeHTML.java | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/bcel-builder/src/org/aspectj/apache/bcel/util/AttributeHTML.java b/bcel-builder/src/org/aspectj/apache/bcel/util/AttributeHTML.java new file mode 100644 index 000000000..54414ad6f --- /dev/null +++ b/bcel-builder/src/org/aspectj/apache/bcel/util/AttributeHTML.java @@ -0,0 +1,255 @@ +package org.aspectj.apache.bcel.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 org.aspectj.apache.bcel.classfile.*; +import java.io.*; + +/** + * Convert found attributes into HTML file. + * + * @version $Id: AttributeHTML.java,v 1.1 2004/11/18 14:48:12 aclement Exp $ + * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> + * + */ +final class AttributeHTML implements org.aspectj.apache.bcel.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(); + } +} |