Provisional implementation of PEP 3104.

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Add nonlocal_stmt to Grammar and Nonlocal node to AST.  They both
parallel the definitions for globals.  The symbol table treats
variables declared as nonlocal just like variables that are free
implicitly.

This change is missing the language spec changes, but makes some
decisions about what the spec should say via the unittests.  The PEP
is silent on a number of decisions, so we should review those before
claiming that nonlocal is complete.

Thomas Wouters made the grammer and ast changes.  Jeremy Hylton added
the symbol table changes and the tests.  Pete Shinners and Neal
Norwitz helped review the code.

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This commit is contained in:

Jeremy Hylton 2007-02-27 06:50:52 +00:00

parent 8b41c3dc28

commit 81e9502df6

12 changed files with 1188 additions and 922 deletions

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Python/graminit.c

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