EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Lib / lib2to3 / fixes / fix_throw.py

"""Fixer for generator.throw(E, V, T).\r
\r
g.throw(E)       -> g.throw(E)\r
g.throw(E, V)    -> g.throw(E(V))\r
g.throw(E, V, T) -> g.throw(E(V).with_traceback(T))\r
\r
g.throw("foo"[, V[, T]]) will warn about string exceptions."""\r
# Author: Collin Winter\r
\r
# Local imports\r
from .. import pytree\r
from ..pgen2 import token\r
from .. import fixer_base\r
from ..fixer_util import Name, Call, ArgList, Attr, is_tuple\r
\r
class FixThrow(fixer_base.BaseFix):\r
    BM_compatible = True\r
    PATTERN = """\r
    power< any trailer< '.' 'throw' >\r
           trailer< '(' args=arglist< exc=any ',' val=any [',' tb=any] > ')' >\r
    >\r
    |\r
    power< any trailer< '.' 'throw' > trailer< '(' exc=any ')' > >\r
    """\r
\r
    def transform(self, node, results):\r
        syms = self.syms\r
\r
        exc = results["exc"].clone()\r
        if exc.type is token.STRING:\r
            self.cannot_convert(node, "Python 3 does not support string exceptions")\r
            return\r
\r
        # Leave "g.throw(E)" alone\r
        val = results.get(u"val")\r
        if val is None:\r
            return\r
\r
        val = val.clone()\r
        if is_tuple(val):\r
            args = [c.clone() for c in val.children[1:-1]]\r
        else:\r
            val.prefix = u""\r
            args = [val]\r
\r
        throw_args = results["args"]\r
\r
        if "tb" in results:\r
            tb = results["tb"].clone()\r
            tb.prefix = u""\r
\r
            e = Call(exc, args)\r
            with_tb = Attr(e, Name(u'with_traceback')) + [ArgList([tb])]\r
            throw_args.replace(pytree.Node(syms.power, with_tb))\r
        else:\r
            throw_args.replace(Call(exc, args))\r