[Python-ideas] Python execution progress counter

[Robert Kern]

On 2013-06-23 17:49, anatoly techtonik wrote:
> In x86 assembly there is a concept of instruction pointer (IP) that indicates
> where a computer is in its program sequence (c)
> http://en.wikipedia.org/wiki/Program_counter
>
> I wonder if it is possible to implement a similar thing in Python? Not the
> instruction pointer, which points to the linear memory address space (and
> therefore is a 1D structure), but a 2D Execution Progress Counter, which counts
> position in program sequence for every stack level?

The `f_lasti` attribute of frame objects records the index of the last bytecode 
instruction that was executed in that frame.

   http://docs.python.org/3/reference/datamodel.html#frame-objects

This is, of course, an implementation detail of CPython.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco