[Patches] [ python-Patches-661440 ] Refactor and streamline PyCFunction_Call

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Patches item #661440, was opened at 2003-01-02 22:06
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Category: Core (C code)
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Raymond Hettinger (rhettinger)
>Assigned to: Martin v. Löwis (loewis)
Summary: Refactor and streamline PyCFunction_Call

Initial Comment:
Refactor PyCFunction_Call with an eye towards 
clarity and speed while leaving the semantics 
unchanged.  

It is now obvious which combinations of flags are 
allowed; the new structure makes it easier to add new 
flags and flag combinations; and every path runs 
faster (by having fewer jumps, filling variables only 
when and where needed, and by merging a test into 
the switch logic).

* Incorporated the keyword flag test into switch/case.
* Deferred initialization of "size" until when and where 
needed.
* Inverted error tests so that the common case has 
no jumps.



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>Comment By: Raymond Hettinger (rhettinger)
Date: 2003-01-03 05:19

Message:
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Should've been assigned to Martin who wrote some of the 
existing code for that function.

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