Shedskin Accepts Function Objects In Containers, But Output tDoesn't Compile

chriscz / shedskin

Automatically exported from code.google.com/p/shedskin

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What steps will reproduce the problem?
1. Run the attached file "test.py" with python. It prints "0" or "100"
2. Generate a C++ file with Shedskin. "shedskin test.py"  It works
3. Try to compile the resulting file "make".  It doesn't compile.

What is the expected output? What do you see instead?
The included g++ throws out various type errors in builtin.hpp.

What version of the product are you using? On what operating system?
Shedskin 0.2 on Windows.

Please provide any additional information below.
The type inference seems to fail only when function objects are stored in
containers.  (Things works as expected when function objects are stored in
variables.)

Original issue reported on code.google.com by seun.osewa on 31 Jul 2009 at 12:08

Attachments:

test.py

hi and thanks for reporting! the problem is that Shedskin uses C/C++ function types (function pointers) for type declarations involving function references, which is not very flexible and currently fails for contained objects. at some point, the function types should be replaced by regular class types (inheriting from class pyobj in lib/builtin.hpp). anyway, this corresponds to a known limitation, as decribed in the tutorial (section 'python subset restrictions'). thanks anyway for reporting!

chriscz / shedskin

Shedskin Accepts Function Objects In Containers, But Output tDoesn't Compile #36