On 3/17/2012 9:03, Antti J Ylikoski wrote: > > In his legendary book series The Art of Computer Programming, > Professor Donald E. Knuth presents many of his algorithms in the form > that they have been divided in several individual phases, with > instructions to GOTO to another phase interspersed in the text of the > individual phases. > > > A1. (Do the work of Phase A1.) If <zap> then go to Phase A5, > otherwise continue. > > A2. (Do some work.) If <zorp> go to Phase A4. > > A3. (Some more work.) > > A4. (Do something.) If <condition ZZZ> go to Phase A1. > > A5. (Something more). If <foobar> then go to Phase A2, otherwise > end.
Clearly you just need the goto module (http://entrian.com/goto/): from goto import goto, label label .A1 # do work of phase A1 if <zap>: goto .A5 label .A2 # do some work if <zorp>: goto .A4 # do some more work label .A4 # do something if <condition zzz>: goto .A1 label .A5 # something more if <foobar>: goto .A2 Clearly the best solution of all. (Note: do not actually do this.) Evan
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