X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=AppPkg%2FApplications%2FPython%2FPython-2.7.2%2FLib%2Flib2to3%2Ffixes%2Ffix_next.py;fp=AppPkg%2FApplications%2FPython%2FPython-2.7.2%2FLib%2Flib2to3%2Ffixes%2Ffix_next.py;h=0000000000000000000000000000000000000000;hp=bd0cfe9579e3d87c64c7e45a27055728adc163a0;hb=964f432b9b0afe103c41c7613fade3e699118afe;hpb=e2d3a25f1a3135221a9c8061e1b8f90245d727eb diff --git a/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_next.py b/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_next.py deleted file mode 100644 index bd0cfe9579..0000000000 --- a/AppPkg/Applications/Python/Python-2.7.2/Lib/lib2to3/fixes/fix_next.py +++ /dev/null @@ -1,103 +0,0 @@ -"""Fixer for it.next() -> next(it), per PEP 3114.""" -# Author: Collin Winter - -# Things that currently aren't covered: -# - listcomp "next" names aren't warned -# - "with" statement targets aren't checked - -# Local imports -from ..pgen2 import token -from ..pygram import python_symbols as syms -from .. import fixer_base -from ..fixer_util import Name, Call, find_binding - -bind_warning = "Calls to builtin next() possibly shadowed by global binding" - - -class FixNext(fixer_base.BaseFix): - BM_compatible = True - PATTERN = """ - power< base=any+ trailer< '.' attr='next' > trailer< '(' ')' > > - | - power< head=any+ trailer< '.' attr='next' > not trailer< '(' ')' > > - | - classdef< 'class' any+ ':' - suite< any* - funcdef< 'def' - name='next' - parameters< '(' NAME ')' > any+ > - any* > > - | - global=global_stmt< 'global' any* 'next' any* > - """ - - order = "pre" # Pre-order tree traversal - - def start_tree(self, tree, filename): - super(FixNext, self).start_tree(tree, filename) - - n = find_binding(u'next', tree) - if n: - self.warning(n, bind_warning) - self.shadowed_next = True - else: - self.shadowed_next = False - - def transform(self, node, results): - assert results - - base = results.get("base") - attr = results.get("attr") - name = results.get("name") - - if base: - if self.shadowed_next: - attr.replace(Name(u"__next__", prefix=attr.prefix)) - else: - base = [n.clone() for n in base] - base[0].prefix = u"" - node.replace(Call(Name(u"next", prefix=node.prefix), base)) - elif name: - n = Name(u"__next__", prefix=name.prefix) - name.replace(n) - elif attr: - # We don't do this transformation if we're assigning to "x.next". - # Unfortunately, it doesn't seem possible to do this in PATTERN, - # so it's being done here. - if is_assign_target(node): - head = results["head"] - if "".join([str(n) for n in head]).strip() == u'__builtin__': - self.warning(node, bind_warning) - return - attr.replace(Name(u"__next__")) - elif "global" in results: - self.warning(node, bind_warning) - self.shadowed_next = True - - -### The following functions help test if node is part of an assignment -### target. - -def is_assign_target(node): - assign = find_assign(node) - if assign is None: - return False - - for child in assign.children: - if child.type == token.EQUAL: - return False - elif is_subtree(child, node): - return True - return False - -def find_assign(node): - if node.type == syms.expr_stmt: - return node - if node.type == syms.simple_stmt or node.parent is None: - return None - return find_assign(node.parent) - -def is_subtree(root, node): - if root == node: - return True - return any(is_subtree(c, node) for c in root.children)