Plan 9 from Bell Labs’s /usr/web/sources/contrib/jas/root/sys/lib/python2.7/lib2to3/pytree.pyc

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


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Python parse tree definitions.

This is a very concrete parse tree; we need to keep every token and
even the comments and whitespace between tokens.

There's also a pattern matching implementation here.
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    Abstract base class for Node and Leaf.

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        The whitespace and comments preceding this node in the input.
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        Equivalent to 'node.children[i] = child'. This method also sets the
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        Equivalent to 'node.children.insert(i, child)'. This method also sets
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        The whitespace and comments preceding this token in the input.
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    Convert raw node information to a Node or Leaf instance.

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        The content, if not None, must be a sequence of Patterns that
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            The min and max parameters work as follows:
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                min=1, max=maxint: .+
                min=0, max=1: .?
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        Initializer.

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        lingo).  If it is not None, this matches whenever the argument
        pattern doesn't have any matches.
        N(R'R)RkRRTRl(RRl((s$/sys/lib/python2.7/lib2to3/pytree.pyRW=s	$cCstS(N(R+(RR9((s$/sys/lib/python2.7/lib2to3/pytree.pyRrJscCst|�dkS(Ni(Rg(RRs((s$/sys/lib/python2.7/lib2to3/pytree.pyRtNsccse|jdkr2t|�dkradifVqan/x!|jj|�D]
\}}dSWdifVdS(Ni(RlR'RgRu(RRsR}Rq((s$/sys/lib/python2.7/lib2to3/pytree.pyRuRsN(RKRLR'RWRrRtRu(((s$/sys/lib/python2.7/lib2to3/pytree.pyR�;s
		c	cs�|sdifVn�|d|d}}x�|j|�D]s\}}|sY||fVq9xPt|||�D];\}}i}|j|�|j|�|||fVqmWq9WdS(sR
    Generator yielding matches for a sequence of patterns and nodes.

    Args:
        patterns: a sequence of patterns
        nodes: a sequence of nodes

    Yields:
        (count, results) tuples where:
        count: the entire sequence of patterns matches nodes[:count];
        results: dict containing named submatches.
        iiN(RuRo(	tpatternsRstptrestR�R�R�R�Rq((s$/sys/lib/python2.7/lib2to3/pytree.pyRu^s
 

(RMt
__author__RQR RRRRRR
RSR7RjRkRvRxRyR�Ru(((s$/sys/lib/python2.7/lib2to3/pytree.pyt<module>s"	
�pN	V,=�#

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