[pypy-dev] Re: Information from the FlowObjSpace

[Michael Hudson]

"Brian C. Lum" <bclum at cs.ucsd.edu> writes:

> Hi,
>
> Thank you for the reply.  I have looked at model.py and I can make a
> FunctionGraph.  However, I am still not sure how to use it.
>
> space = FlowObjSpace()
> graph = space.build_flow(test.is_perfect_number)
> fun = FunctionGraph(test.is_perfect_number, graph.startblock)
>
> That is how I create an instance of FunctionGraph, and I can still
> make the blocks into an iterator, but I still cannot see what is
> inside the blocks, i.e. what would be the code in the function graph.
>
> Basically, all I want is a flowgraph of the code so that I can try to
> perform some static analysis on it (I want to bound the length of
> lists at compile time).  I cannot figure out how to access the
> instructions in each basic block from the flowgraph.
>

for block in graph.iterblocks():
    for op in block.operations:
        print op

Cheers,
mwh

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