/** Start the method's visit. */
public void start() {
if (!mg.isAbstract() && !mg.isNative()) {
for (InstructionHandle ih = mg.getInstructionList().getStart();
ih != null;
ih = ih.getNext()) {
Instruction i = ih.getInstruction();
if (!visitInstruction(i)) i.accept(this);
}
updateExceptionHandlers();
}
}
byte[] counterAdaptClass(final InputStream is, final String name) throws Exception {
JavaClass jc = new ClassParser(is, name + ".class").parse();
ClassGen cg = new ClassGen(jc);
String cName = cg.getClassName();
ConstantPoolGen cp = cg.getConstantPool();
if (!cg.isInterface()) {
FieldGen fg = new FieldGen(ACC_PUBLIC, Type.getType("I"), "_counter", cp);
cg.addField(fg.getField());
}
Method[] ms = cg.getMethods();
for (int j = 0; j < ms.length; ++j) {
MethodGen mg = new MethodGen(ms[j], cg.getClassName(), cp);
if (!mg.getName().equals("<init>") && !mg.isStatic() && !mg.isAbstract() && !mg.isNative()) {
if (mg.getInstructionList() != null) {
InstructionList il = new InstructionList();
il.append(new ALOAD(0));
il.append(new ALOAD(0));
il.append(new GETFIELD(cp.addFieldref(name, "_counter", "I")));
il.append(new ICONST(1));
il.append(new IADD());
il.append(new PUTFIELD(cp.addFieldref(name, "_counter", "I")));
mg.getInstructionList().insert(il);
mg.setMaxStack(Math.max(mg.getMaxStack(), 2));
boolean lv = ms[j].getLocalVariableTable() == null;
boolean ln = ms[j].getLineNumberTable() == null;
if (lv) {
mg.removeLocalVariables();
}
if (ln) {
mg.removeLineNumbers();
}
cg.replaceMethod(ms[j], mg.getMethod());
}
}
}
return cg.getJavaClass().getBytes();
}