proguard.classfile.attribute.visitor.DebugAttributeVisitor Maven / Gradle / Ivy
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2018 GuardSquare NV
*
* 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.classfile.attribute.visitor;
import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.annotation.*;
import proguard.classfile.attribute.module.*;
import proguard.classfile.attribute.preverification.*;
import proguard.classfile.visitor.SimpleClassPrinter;
/**
* This AttributeVisitor delegates to a given AttributeVisitor, timing the
* invocations and printing out warnings when the timings exceed a given
* threshold.
*
* @author Eric Lafortune
*/
public class DebugAttributeVisitor
implements AttributeVisitor
{
//*
private static final boolean DEBUG = false;
/*/
public static boolean DEBUG = System.getProperty("dav") != null;
//*/
private final String message;
private final long maximumTime;
private final AttributeVisitor attributeVisitor;
/**
* Creates a new DebugAttributeVisitor.
* @param attributeVisitor the AttributeVisitor to which visits will be
* delegated.
*/
public DebugAttributeVisitor(AttributeVisitor attributeVisitor)
{
this(attributeVisitor.getClass().getName(),
attributeVisitor);
}
/**
* Creates a new DebugAttributeVisitor.
* @param message the message to be printed when the maximum
* invocation time is exceeded.
* @param attributeVisitor the AttributeVisitor to which visits will be
* delegated.
*/
public DebugAttributeVisitor(String message,
AttributeVisitor attributeVisitor)
{
this(message,
10000L,
attributeVisitor);
}
/**
* Creates a new DebugAttributeVisitor.
* @param message the message to be printed when the maximum
* invocation time is exceeded.
* @param maximumTime the maximum invocation time.
* @param attributeVisitor the AttributeVisitor to which visits will be
* delegated.
*/
public DebugAttributeVisitor(String message,
long maximumTime,
AttributeVisitor attributeVisitor)
{
String debugTime = System.getProperty("debug.time");
this.message = message;
this.maximumTime = debugTime != null ? Long.valueOf(debugTime) : maximumTime;
this.attributeVisitor = attributeVisitor;
}
public void visitLibraryClass(LibraryClass libraryClass) {}
// Implementations for AttributeVisitor.
public void visitUnknownAttribute(Clazz clazz, UnknownAttribute unknownAttribute)
{
long startTime = startTime();
attributeVisitor.visitUnknownAttribute(clazz, unknownAttribute);
checkTime(clazz, unknownAttribute, startTime);
}
public void visitBootstrapMethodsAttribute(Clazz clazz, BootstrapMethodsAttribute bootstrapMethodsAttribute)
{
long startTime = startTime();
attributeVisitor.visitBootstrapMethodsAttribute(clazz, bootstrapMethodsAttribute);
checkTime(clazz, bootstrapMethodsAttribute, startTime);
}
public void visitSourceFileAttribute(Clazz clazz, SourceFileAttribute sourceFileAttribute)
{
long startTime = startTime();
attributeVisitor.visitSourceFileAttribute(clazz, sourceFileAttribute);
checkTime(clazz, sourceFileAttribute, startTime);
}
public void visitSourceDirAttribute(Clazz clazz, SourceDirAttribute sourceDirAttribute)
{
long startTime = startTime();
attributeVisitor.visitSourceDirAttribute(clazz, sourceDirAttribute);
checkTime(clazz, sourceDirAttribute, startTime);
}
public void visitInnerClassesAttribute(Clazz clazz, InnerClassesAttribute innerClassesAttribute)
{
long startTime = startTime();
attributeVisitor.visitInnerClassesAttribute(clazz, innerClassesAttribute);
checkTime(clazz, innerClassesAttribute, startTime);
}
public void visitEnclosingMethodAttribute(Clazz clazz, EnclosingMethodAttribute enclosingMethodAttribute)
{
long startTime = startTime();
attributeVisitor.visitEnclosingMethodAttribute(clazz, enclosingMethodAttribute);
checkTime(clazz, enclosingMethodAttribute, startTime);
}
public void visitModuleAttribute(Clazz clazz, ModuleAttribute moduleAttribute)
{
long startTime = startTime();
attributeVisitor.visitModuleAttribute(clazz, moduleAttribute);
checkTime(clazz, moduleAttribute, startTime);
}
public void visitModuleMainClassAttribute(Clazz clazz, ModuleMainClassAttribute moduleMainClassAttribute)
{
long startTime = startTime();
attributeVisitor.visitModuleMainClassAttribute(clazz, moduleMainClassAttribute);
checkTime(clazz, moduleMainClassAttribute, startTime);
}
public void visitModulePackagesAttribute(Clazz clazz, ModulePackagesAttribute modulePackagesAttribute)
{
long startTime = startTime();
attributeVisitor.visitModulePackagesAttribute(clazz, modulePackagesAttribute);
checkTime(clazz, modulePackagesAttribute, startTime);
}
public void visitDeprecatedAttribute(Clazz clazz, DeprecatedAttribute deprecatedAttribute)
{
long startTime = startTime();
attributeVisitor.visitDeprecatedAttribute(clazz, deprecatedAttribute);
checkTime(clazz, deprecatedAttribute, startTime);
}
public void visitDeprecatedAttribute(Clazz clazz, Field field, DeprecatedAttribute deprecatedAttribute)
{
long startTime = startTime();
attributeVisitor.visitDeprecatedAttribute(clazz, field, deprecatedAttribute);
checkTime(clazz, field, deprecatedAttribute, startTime);
}
public void visitDeprecatedAttribute(Clazz clazz, Method method, DeprecatedAttribute deprecatedAttribute)
{
long startTime = startTime();
attributeVisitor.visitDeprecatedAttribute(clazz, method, deprecatedAttribute);
checkTime(clazz, method, deprecatedAttribute, startTime);
}
public void visitSyntheticAttribute(Clazz clazz, SyntheticAttribute syntheticAttribute)
{
long startTime = startTime();
attributeVisitor.visitSyntheticAttribute(clazz, syntheticAttribute);
checkTime(clazz, syntheticAttribute, startTime);
}
public void visitSyntheticAttribute(Clazz clazz, Field field, SyntheticAttribute syntheticAttribute)
{
long startTime = startTime();
attributeVisitor.visitSyntheticAttribute(clazz, field, syntheticAttribute);
checkTime(clazz, field, syntheticAttribute, startTime);
}
public void visitSyntheticAttribute(Clazz clazz, Method method, SyntheticAttribute syntheticAttribute)
{
long startTime = startTime();
attributeVisitor.visitSyntheticAttribute(clazz, method, syntheticAttribute);
checkTime(clazz, method, syntheticAttribute, startTime);
}
public void visitSignatureAttribute(Clazz clazz, SignatureAttribute signatureAttribute)
{
long startTime = startTime();
attributeVisitor.visitSignatureAttribute(clazz, signatureAttribute);
checkTime(clazz, signatureAttribute, startTime);
}
public void visitSignatureAttribute(Clazz clazz, Field field, SignatureAttribute signatureAttribute)
{
long startTime = startTime();
attributeVisitor.visitSignatureAttribute(clazz, field, signatureAttribute);
checkTime(clazz, field, signatureAttribute, startTime);
}
public void visitSignatureAttribute(Clazz clazz, Method method, SignatureAttribute signatureAttribute)
{
long startTime = startTime();
attributeVisitor.visitSignatureAttribute(clazz, method, signatureAttribute);
checkTime(clazz, method, signatureAttribute, startTime);
}
public void visitConstantValueAttribute(Clazz clazz, Field field, ConstantValueAttribute constantValueAttribute)
{
long startTime = startTime();
attributeVisitor.visitConstantValueAttribute(clazz, field, constantValueAttribute);
checkTime(clazz, field, constantValueAttribute, startTime);
}
public void visitMethodParametersAttribute(Clazz clazz, Method method, MethodParametersAttribute methodParametersAttribute)
{
long startTime = startTime();
attributeVisitor.visitMethodParametersAttribute(clazz, method, methodParametersAttribute);
checkTime(clazz, method, methodParametersAttribute, startTime);
}
public void visitExceptionsAttribute(Clazz clazz, Method method, ExceptionsAttribute exceptionsAttribute)
{
long startTime = startTime();
attributeVisitor.visitExceptionsAttribute(clazz, method, exceptionsAttribute);
checkTime(clazz, method, exceptionsAttribute, startTime);
}
public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
{
long startTime = startTime();
attributeVisitor.visitCodeAttribute(clazz, method, codeAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitStackMapAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapAttribute stackMapAttribute)
{
long startTime = startTime();
attributeVisitor.visitStackMapAttribute(clazz, method, codeAttribute, stackMapAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitStackMapTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapTableAttribute stackMapTableAttribute)
{
long startTime = startTime();
attributeVisitor.visitStackMapTableAttribute(clazz, method, codeAttribute, stackMapTableAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitLineNumberTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberTableAttribute lineNumberTableAttribute)
{
long startTime = startTime();
attributeVisitor.visitLineNumberTableAttribute(clazz, method, codeAttribute, lineNumberTableAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitLocalVariableTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTableAttribute localVariableTableAttribute)
{
long startTime = startTime();
attributeVisitor.visitLocalVariableTableAttribute(clazz, method, codeAttribute, localVariableTableAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitLocalVariableTypeTableAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, LocalVariableTypeTableAttribute localVariableTypeTableAttribute)
{
long startTime = startTime();
attributeVisitor.visitLocalVariableTypeTableAttribute(clazz, method, codeAttribute, localVariableTypeTableAttribute);
checkTime(clazz, method, codeAttribute, startTime);
}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleAnnotationsAttribute(clazz, runtimeVisibleAnnotationsAttribute);
checkTime(clazz, runtimeVisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleAnnotationsAttribute(clazz, field, runtimeVisibleAnnotationsAttribute);
checkTime(clazz, field, runtimeVisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleAnnotationsAttribute(clazz, method, runtimeVisibleAnnotationsAttribute);
checkTime(clazz, method, runtimeVisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleAnnotationsAttribute(clazz, runtimeInvisibleAnnotationsAttribute);
checkTime(clazz, runtimeInvisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleAnnotationsAttribute(clazz, field, runtimeInvisibleAnnotationsAttribute);
checkTime(clazz, field, runtimeInvisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleAnnotationsAttribute(clazz, method, runtimeInvisibleAnnotationsAttribute);
checkTime(clazz, method, runtimeInvisibleAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleParameterAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleParameterAnnotationsAttribute runtimeVisibleParameterAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleParameterAnnotationsAttribute(clazz, method, runtimeVisibleParameterAnnotationsAttribute);
checkTime(clazz, method, runtimeVisibleParameterAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleParameterAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleParameterAnnotationsAttribute runtimeInvisibleParameterAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleParameterAnnotationsAttribute(clazz, method, runtimeInvisibleParameterAnnotationsAttribute);
checkTime(clazz, method, runtimeInvisibleParameterAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleTypeAnnotationsAttribute(Clazz clazz, RuntimeVisibleTypeAnnotationsAttribute runtimeVisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleTypeAnnotationsAttribute(clazz, runtimeVisibleTypeAnnotationsAttribute);
checkTime(clazz, runtimeVisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleTypeAnnotationsAttribute(Clazz clazz, Field field, RuntimeVisibleTypeAnnotationsAttribute runtimeVisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleTypeAnnotationsAttribute(clazz, field, runtimeVisibleTypeAnnotationsAttribute);
checkTime(clazz, field, runtimeVisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleTypeAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleTypeAnnotationsAttribute runtimeVisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleTypeAnnotationsAttribute(clazz, method, runtimeVisibleTypeAnnotationsAttribute);
checkTime(clazz, method, runtimeVisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeVisibleTypeAnnotationsAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, RuntimeVisibleTypeAnnotationsAttribute runtimeVisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeVisibleTypeAnnotationsAttribute(clazz, method, codeAttribute, runtimeVisibleTypeAnnotationsAttribute);
checkTime(clazz, method, runtimeVisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleTypeAnnotationsAttribute(Clazz clazz, RuntimeInvisibleTypeAnnotationsAttribute runtimeInvisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleTypeAnnotationsAttribute(clazz, runtimeInvisibleTypeAnnotationsAttribute);
checkTime(clazz, runtimeInvisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleTypeAnnotationsAttribute(Clazz clazz, Field field, RuntimeInvisibleTypeAnnotationsAttribute runtimeInvisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleTypeAnnotationsAttribute(clazz, field, runtimeInvisibleTypeAnnotationsAttribute);
checkTime(clazz, field, runtimeInvisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleTypeAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleTypeAnnotationsAttribute runtimeInvisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleTypeAnnotationsAttribute(clazz, method, runtimeInvisibleTypeAnnotationsAttribute);
checkTime(clazz, method, runtimeInvisibleTypeAnnotationsAttribute, startTime);
}
public void visitRuntimeInvisibleTypeAnnotationsAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute, RuntimeInvisibleTypeAnnotationsAttribute runtimeInvisibleTypeAnnotationsAttribute)
{
long startTime = startTime();
attributeVisitor.visitRuntimeInvisibleTypeAnnotationsAttribute(clazz, method, codeAttribute, runtimeInvisibleTypeAnnotationsAttribute);
checkTime(clazz, method, runtimeInvisibleTypeAnnotationsAttribute, startTime);
}
public void visitAnnotationDefaultAttribute(Clazz clazz, Method method, AnnotationDefaultAttribute annotationDefaultAttribute)
{
long startTime = startTime();
attributeVisitor.visitAnnotationDefaultAttribute(clazz, method, annotationDefaultAttribute);
checkTime(clazz, method, annotationDefaultAttribute, startTime);
}
// Small utility methods.
/**
* Returns the current time.
*/
private long startTime()
{
return DEBUG ? System.currentTimeMillis() : 0L;
}
/**
* Checks the time after having visited the given attribute, and prints
* out a message if necessary.
*/
private void checkTime(Clazz clazz,
Attribute attribute,
long startTime)
{
if (DEBUG)
{
long endTime = startTime();
long deltaTime = endTime - startTime;
if (deltaTime > maximumTime)
{
System.err.println("=== " + message + " took "+((double)deltaTime/1000.)+" seconds ===");
//attribute.accept(clazz, new ClassPrinter());
System.err.println();
}
}
}
/**
* Checks the time after having visited the given attribute, and prints
* out a message if necessary.
*/
private void checkTime(Clazz clazz,
Field field,
Attribute attribute,
long startTime)
{
if (DEBUG)
{
long endTime = startTime();
long deltaTime = endTime - startTime;
if (deltaTime > maximumTime)
{
System.err.println("=== " + message + " took "+((double)deltaTime/1000.)+" seconds ===");
field.accept(clazz, new SimpleClassPrinter(true));
System.err.println();
}
}
}
/**
* Checks the time after having visited the given attribute, and prints
* out a message if necessary.
*/
private void checkTime(Clazz clazz,
Method method,
Attribute attribute,
long startTime)
{
if (DEBUG)
{
long endTime = startTime();
long deltaTime = endTime - startTime;
if (deltaTime > maximumTime)
{
System.err.println("=== " + message + " took "+((double)deltaTime/1000.)+" seconds ===");
method.accept(clazz, new SimpleClassPrinter(true));
System.err.println();
}
}
}
}
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