Example usage for org.aspectj.apache.bcel.generic InstructionHandle getTargeters

Introduction

In this page you can find the example usage for org.aspectj.apache.bcel.generic InstructionHandle getTargeters.

Prototype

public Set<InstructionTargeter> getTargeters() 

Source Link

Usage

From source file:br.jabuti.instrumenter.bytecode.bcel.Instrumenter.java

License:Open Source License

/** Redo all the tables for the method after an instruction has been
 inserted. The programer does not need to call it explicitly because
 {@link Instrumenter#insertBefore(InstructionHandle ih, Instruction x)}
 and/* w ww.j a  va2s  .c  o  m*/
 {@link Instrumenter#insertBefore(InstructionHandle ih, InstructionList x)}
 call this method.
        
 @param ih The original instruction, before which the new instruction
 has been inserted
 @param newih The new instruction, that took the place of the old one
 */

private void recalTables(InstructionHandle ih, InstructionHandle newih) {
    InstructionTargeter[] it = ih.getTargeters();

    for (int i = 0; it != null && i < it.length; i++) {
        it[i].updateTarget(ih, newih);
    }
    // O codigo acima deve fazer o mesmo que o codigo abaixo.
    /*
     CodeExceptionGen[] ceg = meth.getExceptionHandlers();
     for (int i = 0; i < ceg.length; i++)
     {
     if (ceg[i].getStartPC() == ih)
     ceg[i].setStartPC(newih);
     }
     LocalVariableGen[] lvg = meth.getLocalVariables();
     for (int i = 0; i < lvg.length; i++)
     {
     if (lvg[i].getStart() == ih)
     lvg[i].setStart(newih);
     }
     LineNumberGen[] lng = meth.getLineNumbers();
     for (int i = 0; i < lng.length; i++)
     {
     if (lng[i].getInstruction() == ih)
     lng[i].setInstruction(newih);
     }
     il.redirectBranches(ih, newih);
     */
}

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