symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/lib2to3/fixes/fix_exec.py
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

# Copyright 2006 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.

"""Fixer for exec.

This converts usages of the exec statement into calls to a built-in
exec() function.

exec code in ns1, ns2 -> exec(code, ns1, ns2)
"""

# Local imports
from .. import pytree
from .. import fixer_base
from ..fixer_util import Comma, Name, Call


class FixExec(fixer_base.BaseFix):

    PATTERN = """
    exec_stmt< 'exec' a=any 'in' b=any [',' c=any] >
    |
    exec_stmt< 'exec' (not atom<'(' [any] ')'>) a=any >
    """

    def transform(self, node, results):
        assert results
        syms = self.syms
        a = results["a"]
        b = results.get("b")
        c = results.get("c")
        args = [a.clone()]
        args[0].set_prefix("")
        if b is not None:
            args.extend([Comma(), b.clone()])
        if c is not None:
            args.extend([Comma(), c.clone()])

        return Call(Name("exec"), args, prefix=node.get_prefix())