code: @Override
      public void visitMethod(Method obj) {
          Code c = obj.getCode();
          if (c != null) {
              byte[] opcodes = c.getCode();
              if (opcodes != null) {
                  trPCPos = opcodes.length - 1;
                  if (!obj.getSignature().endsWith(Values.SIG_VOID)) {
                      trPCPos -= 1;
                  }
                  trPCPos -= TAILRECURSIONFUDGE;
                  possibleTailRecursion = true;
                  isStatic = obj.isStatic();
                  stack.resetForMethodEntry(this);
                  super.visitMethod(obj);
              }
          }
      }
docs: implements the visitor to figure the pc where the method call must occur depending on whether the method returns a value, or not.
  
  @param obj
  the context object of the currently parsed method