Remove nonsensical grammar from blib2to3

[etc/vim.git] / blib2to3 / pgen2 / driver.py

diff --git a/blib2to3/pgen2/driver.py b/blib2to3/pgen2/driver.py
index cc7b415f47fcd30e711d23fbfc80fc89d2b2af5b..5cdd2e59e6156cecd8ffa3cebc822b4be20ef7ae 100644 (file)
--- a/blib2to3/pgen2/driver.py
+++ b/blib2to3/pgen2/driver.py
@@ -77,6 +77,12 @@ class Driver(object):
                     self.logger.debug("Stop.")
                 break
             prefix = ""
                     self.logger.debug("Stop.")
                 break
             prefix = ""

+            if type == token.INDENT:
+                if _prefix.startswith(value):
+                    # Don't double-indent.  Since we're delaying the prefix that
+                    # would normally belong to INDENT, we need to put the value
+                    # at the end versus at the beginning.
+                    _prefix = _prefix[len(value):] + value

             if type in {token.INDENT, token.DEDENT}:
                 prefix = _prefix
             lineno, column = end
             if type in {token.INDENT, token.DEDENT}:
                 prefix = _prefix
             lineno, column = end