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Diffstat (limited to 'src/proguard/shrink/ShortestUsagePrinter.java')
| -rw-r--r-- | src/proguard/shrink/ShortestUsagePrinter.java | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/src/proguard/shrink/ShortestUsagePrinter.java b/src/proguard/shrink/ShortestUsagePrinter.java deleted file mode 100644 index c6075ea..0000000 --- a/src/proguard/shrink/ShortestUsagePrinter.java +++ /dev/null @@ -1,220 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -package proguard.shrink; - -import proguard.classfile.*; -import proguard.classfile.attribute.*; -import proguard.classfile.attribute.visitor.AttributeVisitor; -import proguard.classfile.util.*; -import proguard.classfile.visitor.*; - -import java.io.PrintStream; - - -/** - * This ClassVisitor and MemberVisitor prints out the reasons why - * classes and class members have been marked as being used. - * - * @see UsageMarker - * - * @author Eric Lafortune - */ -public class ShortestUsagePrinter -extends SimplifiedVisitor -implements ClassVisitor, - MemberVisitor, - AttributeVisitor -{ - private final ShortestUsageMarker shortestUsageMarker; - private final boolean verbose; - private final PrintStream ps; - - - /** - * Creates a new UsagePrinter that prints verbosely to <code>System.out</code>. - * @param shortestUsageMarker the usage marker that was used to mark the - * classes and class members. - */ - public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker) - { - this(shortestUsageMarker, true); - } - - - /** - * Creates a new UsagePrinter that prints to the given stream. - * @param shortestUsageMarker the usage marker that was used to mark the - * classes and class members. - * @param verbose specifies whether the output should be verbose. - */ - public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker, - boolean verbose) - { - this(shortestUsageMarker, verbose, System.out); - } - - /** - * Creates a new UsagePrinter that prints to the given stream. - * @param shortestUsageMarker the usage marker that was used to mark the - * classes and class members. - * @param verbose specifies whether the output should be verbose. - * @param printStream the stream to which to print. - */ - public ShortestUsagePrinter(ShortestUsageMarker shortestUsageMarker, - boolean verbose, - PrintStream printStream) - { - this.shortestUsageMarker = shortestUsageMarker; - this.verbose = verbose; - this.ps = printStream; - } - - - // Implementations for ClassVisitor. - - public void visitProgramClass(ProgramClass programClass) - { - // Print the name of this class. - ps.println(ClassUtil.externalClassName(programClass.getName())); - - // Print the reason for keeping this class. - printReason(programClass); - } - - - public void visitLibraryClass(LibraryClass libraryClass) - { - // Print the name of this class. - ps.println(ClassUtil.externalClassName(libraryClass.getName())); - - // Print the reason for keeping this class. - ps.println(" is a library class.\n"); - } - - - // Implementations for MemberVisitor. - - public void visitProgramField(ProgramClass programClass, ProgramField programField) - { - // Print the name of this field. - String name = programField.getName(programClass); - String type = programField.getDescriptor(programClass); - - ps.println(ClassUtil.externalClassName(programClass.getName()) + - (verbose ? - ": " + ClassUtil.externalFullFieldDescription(0, name, type): - "." + name)); - - // Print the reason for keeping this method. - printReason(programField); - } - - - public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) - { - // Print the name of this method. - String name = programMethod.getName(programClass); - String type = programMethod.getDescriptor(programClass); - - ps.print(ClassUtil.externalClassName(programClass.getName()) + - (verbose ? - ": " + ClassUtil.externalFullMethodDescription(programClass.getName(), 0, name, type): - "." + name)); - programMethod.attributesAccept(programClass, this); - ps.println(); - - // Print the reason for keeping this method. - printReason(programMethod); - } - - - public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) - { - // Print the name of this field. - String name = libraryField.getName(libraryClass); - String type = libraryField.getDescriptor(libraryClass); - - ps.println(ClassUtil.externalClassName(libraryClass.getName()) + - (verbose ? - ": " + ClassUtil.externalFullFieldDescription(0, name, type): - "." + name)); - - // Print the reason for keeping this field. - ps.println(" is a library field.\n"); - } - - - public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) - { - // Print the name of this method. - String name = libraryMethod.getName(libraryClass); - String type = libraryMethod.getDescriptor(libraryClass); - - ps.println(ClassUtil.externalClassName(libraryClass.getName()) + - (verbose ? - ": " + ClassUtil.externalFullMethodDescription(libraryClass.getName(), 0, name, type): - "." + name)); - - // Print the reason for keeping this method. - ps.println(" is a library method.\n"); - } - - - // Implementations for AttributeVisitor. - - public void visitAnyAttribute(Clazz clazz, Attribute attribute) {} - - - public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) - { - codeAttribute.attributesAccept(clazz, method, this); - } - - - public void visitLineNumberTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberTableAttribute lineNumberTableAttribute) - { - ps.print(" (" + - lineNumberTableAttribute.getLowestLineNumber() + ":" + - lineNumberTableAttribute.getHighestLineNumber() + ")"); - } - - - // Small utility methods. - - private void printReason(VisitorAccepter visitorAccepter) - { - if (shortestUsageMarker.isUsed(visitorAccepter)) - { - ShortestUsageMark shortestUsageMark = shortestUsageMarker.getShortestUsageMark(visitorAccepter); - - // Print the reason for keeping this class. - ps.print(" " + shortestUsageMark.getReason()); - - // Print the class or method that is responsible, with its reasons. - shortestUsageMark.acceptClassVisitor(this); - shortestUsageMark.acceptMemberVisitor(this); - } - else - { - ps.println(" is not being kept.\n"); - } - } -} |