--- a/mercurial/revsetlang.py Wed Feb 17 21:40:59 2016 +0900
+++ b/mercurial/revsetlang.py Sat Aug 19 22:04:03 2017 +0900
@@ -270,25 +270,6 @@
return parser.matchtree(pattern, tree, ('symbol', '_'),
{'keyvalue', 'list'})
-def _isnamedfunc(x, funcname):
- """Check if given tree matches named function"""
- return x and x[0] == 'func' and getsymbol(x[1]) == funcname
-
-def _isposargs(x, n):
- """Check if given tree is n-length list of positional arguments"""
- l = getlist(x)
- return len(l) == n and all(y and y[0] != 'keyvalue' for y in l)
-
-def _matchnamedfunc(x, funcname):
- """Return args tree if given tree matches named function; otherwise None
-
- This can't be used for testing a nullary function since its args tree
- is also None. Use _isnamedfunc() instead.
- """
- if not _isnamedfunc(x, funcname):
- return
- return x[2]
-
def _matchonly(revs, bases):
return _match('ancestors(_) and not ancestors(_)', ('and', revs, bases))