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Merged revisions 72912,72920,72940 via svnmerge from

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  r72912 | benjamin.peterson | 2009-05-25 08:13:44 -0500 (Mon, 25 May 2009) | 5 lines

  add a SETUP_WITH opcode

  It speeds up the with statement and correctly looks up the special
  methods involved.
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  r72920 | benjamin.peterson | 2009-05-25 15:12:57 -0500 (Mon, 25 May 2009) | 1 line

  take into account the fact that SETUP_WITH pushes a finally block
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  r72940 | benjamin.peterson | 2009-05-26 07:49:59 -0500 (Tue, 26 May 2009) | 1 line

  teach the peepholer about SETUP_WITH
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This commit is contained in:
Benjamin Peterson 2009-06-28 03:18:59 +00:00
parent d2397753ee
commit 876b2f286b
10 changed files with 105 additions and 84 deletions
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8
Doc/reference/compound_stmts.rst
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@ -354,6 +354,8 @@ The execution of the :keyword:`with` statement with one "item" proceeds as follo
#. The context expression is evaluated to obtain a context manager.
#. The context manager's :meth:`__exit__` is loaded for later use.
#. The context manager's :meth:`__enter__` method is invoked.
#. If a target was included in the :keyword:`with` statement, the return value
@ -363,9 +365,9 @@ The execution of the :keyword:`with` statement with one "item" proceeds as follo
The :keyword:`with` statement guarantees that if the :meth:`__enter__`
method returns without an error, then :meth:`__exit__` will always be
called. Thus, if an error occurs during the assignment to the target
list, it will be treated the same as an error occurring within the suite
would be. See step 5 below.
called. Thus, if an error occurs during the assignment to the target list,
it will be treated the same as an error occurring within the suite would
be. See step 6 below.
#. The suite is executed.