Package org.glassfish.pfl.tf.spi
Class Util
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- org.glassfish.pfl.tf.spi.Util
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public class Util extends java.lang.Object
Some useful utilities for generating code using ASM. Nothing in here should be specific to the classfile enhancer for tracing.
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Constructor Summary
Constructors Constructor Description Util(boolean debug, int verbose)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
augmentInfoMethodDescriptor(java.lang.String desc)
void
emitIntConstant(org.objectweb.asm.MethodVisitor mv, int val)
void
error(java.lang.String str)
boolean
getDebug()
java.lang.String
getFullMethodDescriptor(java.lang.reflect.Method method)
java.lang.String
getFullMethodDescriptor(java.lang.String name, java.lang.String desc)
java.lang.String
getFullMethodDescriptor(org.objectweb.asm.tree.MethodInsnNode mn)
java.lang.String
getFullMethodDescriptor(org.objectweb.asm.tree.MethodNode mn)
boolean
hasAccess(int access, int flag)
void
info(int level, java.lang.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(java.lang.String str)
void
newWithSimpleConstructor(org.objectweb.asm.MethodVisitor mv, java.lang.Class<?> cls)
static java.lang.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, java.util.function.Function<org.objectweb.asm.ClassVisitor,org.objectweb.asm.ClassVisitor> factory)
private void
verify(byte[] cls)
int
wrapArg(org.objectweb.asm.MethodVisitor mv, int argIndex, org.objectweb.asm.Type atype)
void
wrapArgs(org.objectweb.asm.MethodVisitor mv, int access, java.lang.String desc)
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Method Detail
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getDebug
public boolean getDebug()
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info
public void info(int level, java.lang.String str)
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msg
public void msg(java.lang.String str)
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error
public void error(java.lang.String str)
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initLocal
public void initLocal(org.objectweb.asm.MethodVisitor mv, org.objectweb.asm.tree.LocalVariableNode var)
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getFullMethodDescriptor
public java.lang.String getFullMethodDescriptor(java.lang.String name, java.lang.String desc)
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getFullMethodDescriptor
public java.lang.String getFullMethodDescriptor(org.objectweb.asm.tree.MethodNode mn)
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getFullMethodDescriptor
public java.lang.String getFullMethodDescriptor(org.objectweb.asm.tree.MethodInsnNode mn)
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getFullMethodDescriptor
public java.lang.String getFullMethodDescriptor(java.lang.reflect.Method method)
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newWithSimpleConstructor
public void newWithSimpleConstructor(org.objectweb.asm.MethodVisitor mv, java.lang.Class<?> cls)
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augmentInfoMethodDescriptor
public java.lang.String augmentInfoMethodDescriptor(java.lang.String desc)
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emitIntConstant
public void emitIntConstant(org.objectweb.asm.MethodVisitor mv, int val)
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wrapArg
public int wrapArg(org.objectweb.asm.MethodVisitor mv, int argIndex, org.objectweb.asm.Type atype)
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wrapArgs
public void wrapArgs(org.objectweb.asm.MethodVisitor mv, int access, java.lang.String desc)
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storeFromXReturn
public void storeFromXReturn(org.objectweb.asm.MethodVisitor mv, int returnOpcode, org.objectweb.asm.tree.LocalVariableNode holder)
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loadFromXReturn
public void loadFromXReturn(org.objectweb.asm.MethodVisitor mv, int returnOpcode, org.objectweb.asm.tree.LocalVariableNode holder)
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verify
private void verify(byte[] cls)
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hasAccess
public boolean hasAccess(int access, int flag)
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opcodeToString
public static java.lang.String opcodeToString(int opcode)
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transform
public byte[] transform(boolean debug, byte[] cls, java.util.function.Function<org.objectweb.asm.ClassVisitor,org.objectweb.asm.ClassVisitor> factory)
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