Package org.glassfish.pfl.tf.spi

Class Util

  • 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.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private boolean debug  
      private int verbose  

    • Constructor Summary

      Constructors 
      Constructor Description
      Util​(boolean debug, int verbose)  

    • 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)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • debug

        private final boolean debug

      • verbose

        private final int verbose

    • Constructor Detail

      • Util

        public Util​(boolean debug,
            int verbose)

    • Method Detail

      • getDebug

        public boolean getDebug()

      • info

        public void info​(int level,
                 java.lang.String str)

      • msg

        public void msg​(java.lang.String str)

      • error

        public void error​(java.lang.String str)

      • initLocal

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

      • getFullMethodDescriptor

        public java.lang.String getFullMethodDescriptor​(java.lang.String name,
                                                java.lang.String desc)

      • getFullMethodDescriptor

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

      • getFullMethodDescriptor

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

      • getFullMethodDescriptor

        public java.lang.String getFullMethodDescriptor​(java.lang.reflect.Method method)

      • newWithSimpleConstructor

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

      • augmentInfoMethodDescriptor

        public java.lang.String augmentInfoMethodDescriptor​(java.lang.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,
                     java.lang.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)

      • verify

        private void verify​(byte[] cls)

      • hasAccess

        public boolean hasAccess​(int access,
                         int flag)

      • opcodeToString

        public static java.lang.String opcodeToString​(int opcode)

      • transform

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