org.glassfish.pfl.tf.spi

Class Util

java.lang.Object

org.glassfish.pfl.tf.spi.Util

public class Util
extends Object

Some useful utilities for generating code using ASM. Nothing in here should be specific to the classfile enhancer for tracing.

Author:

ken

Constructor Summary

Constructors

Constructor and Description
Util(boolean debug, int verbose)

Method Summary

Modifier and Type	Method and Description
String	augmentInfoMethodDescriptor(String desc)
void	emitIntConstant(org.objectweb.asm.MethodVisitor mv, int val)
void	error(String str)
boolean	getDebug()
String	getFullMethodDescriptor(Method method)
String	getFullMethodDescriptor(org.objectweb.asm.tree.MethodInsnNode mn)
String	getFullMethodDescriptor(org.objectweb.asm.tree.MethodNode mn)
String	getFullMethodDescriptor(String name, String desc)
boolean	hasAccess(int access, int flag)
void	info(int level, String str)
void	initLocal(org.objectweb.asm.MethodVisitor mv, org.objectweb.asm.tree.LocalVariableNode var)
void	loadFromXReturn(org.objectweb.asm.MethodVisitor mv, int returnOpcode, org.objectweb.asm.tree.LocalVariableNode holder)
void	msg(String str)
void	newWithSimpleConstructor(org.objectweb.asm.MethodVisitor mv, Class<?> cls)
static String	opcodeToString(int opcode)
void	storeFromXReturn(org.objectweb.asm.MethodVisitor mv, int returnOpcode, org.objectweb.asm.tree.LocalVariableNode holder)
byte[]	transform(boolean debug, byte[] cls, Function<org.objectweb.asm.ClassVisitor,org.objectweb.asm.ClassVisitor> factory)
int	wrapArg(org.objectweb.asm.MethodVisitor mv, int argIndex, org.objectweb.asm.Type atype)
void	wrapArgs(org.objectweb.asm.MethodVisitor mv, int access, String desc)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util(boolean debug,
            int verbose)

Method Detail

getDebug

public boolean getDebug()

info

public void info(int level,
                 String str)

msg

public void msg(String str)

error

public void error(String str)

initLocal

public void initLocal(org.objectweb.asm.MethodVisitor mv,
                      org.objectweb.asm.tree.LocalVariableNode var)

getFullMethodDescriptor

public String getFullMethodDescriptor(String name,
                                      String desc)

getFullMethodDescriptor

public String getFullMethodDescriptor(org.objectweb.asm.tree.MethodNode mn)

getFullMethodDescriptor

public String getFullMethodDescriptor(org.objectweb.asm.tree.MethodInsnNode mn)

getFullMethodDescriptor

public String getFullMethodDescriptor(Method method)

newWithSimpleConstructor

public void newWithSimpleConstructor(org.objectweb.asm.MethodVisitor mv,
                                     Class<?> cls)

augmentInfoMethodDescriptor

public String augmentInfoMethodDescriptor(String desc)

emitIntConstant

public void emitIntConstant(org.objectweb.asm.MethodVisitor mv,
                            int val)

wrapArg

public int wrapArg(org.objectweb.asm.MethodVisitor mv,
                   int argIndex,
                   org.objectweb.asm.Type atype)

wrapArgs

public void wrapArgs(org.objectweb.asm.MethodVisitor mv,
                     int access,
                     String desc)

storeFromXReturn

public void storeFromXReturn(org.objectweb.asm.MethodVisitor mv,
                             int returnOpcode,
                             org.objectweb.asm.tree.LocalVariableNode holder)

loadFromXReturn

public void loadFromXReturn(org.objectweb.asm.MethodVisitor mv,
                            int returnOpcode,
                            org.objectweb.asm.tree.LocalVariableNode holder)

hasAccess

public boolean hasAccess(int access,
                         int flag)

opcodeToString

public static String opcodeToString(int opcode)

transform

public byte[] transform(boolean debug,
                        byte[] cls,
                        Function<org.objectweb.asm.ClassVisitor,org.objectweb.asm.ClassVisitor> factory)