revset: add desc(string) to search in commit messages
Like keyword(), but does not search in filenames and users.
No grepdesc() or descgrep() added, because it might be bad to introduce
grepfoo() versions of too many string searches.
# revset.py - revision set queries for mercurial
#
# Copyright 2010 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
import re
import parser, util, error, discovery, hbisect
import bookmarks as bookmarksmod
import match as matchmod
from i18n import _
elements = {
"(": (20, ("group", 1, ")"), ("func", 1, ")")),
"~": (18, None, ("ancestor", 18)),
"^": (18, None, ("parent", 18), ("parentpost", 18)),
"-": (5, ("negate", 19), ("minus", 5)),
"::": (17, ("dagrangepre", 17), ("dagrange", 17),
("dagrangepost", 17)),
"..": (17, ("dagrangepre", 17), ("dagrange", 17),
("dagrangepost", 17)),
":": (15, ("rangepre", 15), ("range", 15), ("rangepost", 15)),
"not": (10, ("not", 10)),
"!": (10, ("not", 10)),
"and": (5, None, ("and", 5)),
"&": (5, None, ("and", 5)),
"or": (4, None, ("or", 4)),
"|": (4, None, ("or", 4)),
"+": (4, None, ("or", 4)),
",": (2, None, ("list", 2)),
")": (0, None, None),
"symbol": (0, ("symbol",), None),
"string": (0, ("string",), None),
"end": (0, None, None),
}
keywords = set(['and', 'or', 'not'])
def tokenize(program):
pos, l = 0, len(program)
while pos < l:
c = program[pos]
if c.isspace(): # skip inter-token whitespace
pass
elif c == ':' and program[pos:pos + 2] == '::': # look ahead carefully
yield ('::', None, pos)
pos += 1 # skip ahead
elif c == '.' and program[pos:pos + 2] == '..': # look ahead carefully
yield ('..', None, pos)
pos += 1 # skip ahead
elif c in "():,-|&+!~^": # handle simple operators
yield (c, None, pos)
elif (c in '"\'' or c == 'r' and
program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings
if c == 'r':
pos += 1
c = program[pos]
decode = lambda x: x
else:
decode = lambda x: x.decode('string-escape')
pos += 1
s = pos
while pos < l: # find closing quote
d = program[pos]
if d == '\\': # skip over escaped characters
pos += 2
continue
if d == c:
yield ('string', decode(program[s:pos]), s)
break
pos += 1
else:
raise error.ParseError(_("unterminated string"), s)
elif c.isalnum() or c in '._' or ord(c) > 127: # gather up a symbol/keyword
s = pos
pos += 1
while pos < l: # find end of symbol
d = program[pos]
if not (d.isalnum() or d in "._" or ord(d) > 127):
break
if d == '.' and program[pos - 1] == '.': # special case for ..
pos -= 1
break
pos += 1
sym = program[s:pos]
if sym in keywords: # operator keywords
yield (sym, None, s)
else:
yield ('symbol', sym, s)
pos -= 1
else:
raise error.ParseError(_("syntax error"), pos)
pos += 1
yield ('end', None, pos)
# helpers
def getstring(x, err):
if x and (x[0] == 'string' or x[0] == 'symbol'):
return x[1]
raise error.ParseError(err)
def getlist(x):
if not x:
return []
if x[0] == 'list':
return getlist(x[1]) + [x[2]]
return [x]
def getargs(x, min, max, err):
l = getlist(x)
if len(l) < min or len(l) > max:
raise error.ParseError(err)
return l
def getset(repo, subset, x):
if not x:
raise error.ParseError(_("missing argument"))
return methods[x[0]](repo, subset, *x[1:])
# operator methods
def stringset(repo, subset, x):
x = repo[x].rev()
if x == -1 and len(subset) == len(repo):
return [-1]
if len(subset) == len(repo) or x in subset:
return [x]
return []
def symbolset(repo, subset, x):
if x in symbols:
raise error.ParseError(_("can't use %s here") % x)
return stringset(repo, subset, x)
def rangeset(repo, subset, x, y):
m = getset(repo, subset, x)
if not m:
m = getset(repo, range(len(repo)), x)
n = getset(repo, subset, y)
if not n:
n = getset(repo, range(len(repo)), y)
if not m or not n:
return []
m, n = m[0], n[-1]
if m < n:
r = range(m, n + 1)
else:
r = range(m, n - 1, -1)
s = set(subset)
return [x for x in r if x in s]
def andset(repo, subset, x, y):
return getset(repo, getset(repo, subset, x), y)
def orset(repo, subset, x, y):
xl = getset(repo, subset, x)
s = set(xl)
yl = getset(repo, [r for r in subset if r not in s], y)
return xl + yl
def notset(repo, subset, x):
s = set(getset(repo, subset, x))
return [r for r in subset if r not in s]
def listset(repo, subset, a, b):
raise error.ParseError(_("can't use a list in this context"))
def func(repo, subset, a, b):
if a[0] == 'symbol' and a[1] in symbols:
return symbols[a[1]](repo, subset, b)
raise error.ParseError(_("not a function: %s") % a[1])
# functions
def adds(repo, subset, x):
"""``adds(pattern)``
Changesets that add a file matching pattern.
"""
# i18n: "adds" is a keyword
pat = getstring(x, _("adds requires a pattern"))
return checkstatus(repo, subset, pat, 1)
def ancestor(repo, subset, x):
"""``ancestor(single, single)``
Greatest common ancestor of the two changesets.
"""
# i18n: "ancestor" is a keyword
l = getargs(x, 2, 2, _("ancestor requires two arguments"))
r = range(len(repo))
a = getset(repo, r, l[0])
b = getset(repo, r, l[1])
if len(a) != 1 or len(b) != 1:
# i18n: "ancestor" is a keyword
raise error.ParseError(_("ancestor arguments must be single revisions"))
an = [repo[a[0]].ancestor(repo[b[0]]).rev()]
return [r for r in an if r in subset]
def ancestors(repo, subset, x):
"""``ancestors(set)``
Changesets that are ancestors of a changeset in set.
"""
args = getset(repo, range(len(repo)), x)
if not args:
return []
s = set(repo.changelog.ancestors(*args)) | set(args)
return [r for r in subset if r in s]
def ancestorspec(repo, subset, x, n):
"""``set~n``
Changesets that are the Nth ancestor (first parents only) of a changeset in set.
"""
try:
n = int(n[1])
except ValueError:
raise error.ParseError(_("~ expects a number"))
ps = set()
cl = repo.changelog
for r in getset(repo, subset, x):
for i in range(n):
r = cl.parentrevs(r)[0]
ps.add(r)
return [r for r in subset if r in ps]
def author(repo, subset, x):
"""``author(string)``
Alias for ``user(string)``.
"""
# i18n: "author" is a keyword
n = getstring(x, _("author requires a string")).lower()
return [r for r in subset if n in repo[r].user().lower()]
def bisected(repo, subset, x):
"""``bisected(string)``
Changesets marked in the specified bisect state (good, bad, skip).
"""
state = getstring(x, _("bisect requires a string")).lower()
if state not in ('good', 'bad', 'skip', 'unknown'):
raise error.ParseError(_('invalid bisect state'))
marked = set(repo.changelog.rev(n) for n in hbisect.load_state(repo)[state])
return [r for r in subset if r in marked]
def bookmark(repo, subset, x):
"""``bookmark([name])``
The named bookmark or all bookmarks.
"""
# i18n: "bookmark" is a keyword
args = getargs(x, 0, 1, _('bookmark takes one or no arguments'))
if args:
bm = getstring(args[0],
# i18n: "bookmark" is a keyword
_('the argument to bookmark must be a string'))
bmrev = bookmarksmod.listbookmarks(repo).get(bm, None)
if not bmrev:
raise util.Abort(_("bookmark '%s' does not exist") % bm)
bmrev = repo[bmrev].rev()
return [r for r in subset if r == bmrev]
bms = set([repo[r].rev()
for r in bookmarksmod.listbookmarks(repo).values()])
return [r for r in subset if r in bms]
def branch(repo, subset, x):
"""``branch(string or set)``
All changesets belonging to the given branch or the branches of the given
changesets.
"""
try:
b = getstring(x, '')
if b in repo.branchmap():
return [r for r in subset if repo[r].branch() == b]
except error.ParseError:
# not a string, but another revspec, e.g. tip()
pass
s = getset(repo, range(len(repo)), x)
b = set()
for r in s:
b.add(repo[r].branch())
s = set(s)
return [r for r in subset if r in s or repo[r].branch() in b]
def checkstatus(repo, subset, pat, field):
m = matchmod.match(repo.root, repo.getcwd(), [pat])
s = []
fast = (m.files() == [pat])
for r in subset:
c = repo[r]
if fast:
if pat not in c.files():
continue
else:
for f in c.files():
if m(f):
break
else:
continue
files = repo.status(c.p1().node(), c.node())[field]
if fast:
if pat in files:
s.append(r)
else:
for f in files:
if m(f):
s.append(r)
break
return s
def children(repo, subset, x):
"""``children(set)``
Child changesets of changesets in set.
"""
cs = set()
cl = repo.changelog
s = set(getset(repo, range(len(repo)), x))
for r in xrange(0, len(repo)):
for p in cl.parentrevs(r):
if p in s:
cs.add(r)
return [r for r in subset if r in cs]
def closed(repo, subset, x):
"""``closed()``
Changeset is closed.
"""
# i18n: "closed" is a keyword
getargs(x, 0, 0, _("closed takes no arguments"))
return [r for r in subset if repo[r].extra().get('close')]
def contains(repo, subset, x):
"""``contains(pattern)``
Revision contains a file matching pattern. See :hg:`help patterns`
for information about file patterns.
"""
# i18n: "contains" is a keyword
pat = getstring(x, _("contains requires a pattern"))
m = matchmod.match(repo.root, repo.getcwd(), [pat])
s = []
if m.files() == [pat]:
for r in subset:
if pat in repo[r]:
s.append(r)
else:
for r in subset:
for f in repo[r].manifest():
if m(f):
s.append(r)
break
return s
def date(repo, subset, x):
"""``date(interval)``
Changesets within the interval, see :hg:`help dates`.
"""
# i18n: "date" is a keyword
ds = getstring(x, _("date requires a string"))
dm = util.matchdate(ds)
return [r for r in subset if dm(repo[r].date()[0])]
def desc(repo, subset, x):
"""``desc(string)``
Search commit message for string. The match is case-insensitive.
"""
# i18n: "desc" is a keyword
ds = getstring(x, _("desc requires a string")).lower()
l = []
for r in subset:
c = repo[r]
if ds in c.description().lower():
l.append(r)
return l
def descendants(repo, subset, x):
"""``descendants(set)``
Changesets which are descendants of changesets in set.
"""
args = getset(repo, range(len(repo)), x)
if not args:
return []
s = set(repo.changelog.descendants(*args)) | set(args)
return [r for r in subset if r in s]
def filelog(repo, subset, x):
"""``filelog(pattern)``
Changesets connected to the specified filelog.
"""
pat = getstring(x, _("filelog requires a pattern"))
m = matchmod.match(repo.root, repo.getcwd(), [pat], default='relpath')
s = set()
if not m.anypats():
for f in m.files():
fl = repo.file(f)
for fr in fl:
s.add(fl.linkrev(fr))
else:
for f in repo[None]:
if m(f):
fl = repo.file(f)
for fr in fl:
s.add(fl.linkrev(fr))
return [r for r in subset if r in s]
def follow(repo, subset, x):
"""``follow([file])``
An alias for ``::.`` (ancestors of the working copy's first parent).
If a filename is specified, the history of the given file is followed,
including copies.
"""
# i18n: "follow" is a keyword
l = getargs(x, 0, 1, _("follow takes no arguments or a filename"))
p = repo['.'].rev()
if l:
x = getstring(l[0], "follow expected a filename")
s = set(ctx.rev() for ctx in repo['.'][x].ancestors())
else:
s = set(repo.changelog.ancestors(p))
s |= set([p])
return [r for r in subset if r in s]
def followfile(repo, subset, f):
"""``follow()``
An alias for ``::.`` (ancestors of the working copy's first parent).
"""
# i18n: "follow" is a keyword
getargs(x, 0, 0, _("follow takes no arguments"))
p = repo['.'].rev()
s = set(repo.changelog.ancestors(p)) | set([p])
return [r for r in subset if r in s]
def getall(repo, subset, x):
"""``all()``
All changesets, the same as ``0:tip``.
"""
# i18n: "all" is a keyword
getargs(x, 0, 0, _("all takes no arguments"))
return subset
def grep(repo, subset, x):
"""``grep(regex)``
Like ``keyword(string)`` but accepts a regex. Use ``grep(r'...')``
to ensure special escape characters are handled correctly. Unlike
``keyword(string)``, the match is case-sensitive.
"""
try:
# i18n: "grep" is a keyword
gr = re.compile(getstring(x, _("grep requires a string")))
except re.error, e:
raise error.ParseError(_('invalid match pattern: %s') % e)
l = []
for r in subset:
c = repo[r]
for e in c.files() + [c.user(), c.description()]:
if gr.search(e):
l.append(r)
break
return l
def hasfile(repo, subset, x):
"""``file(pattern)``
Changesets affecting files matched by pattern.
"""
# i18n: "file" is a keyword
pat = getstring(x, _("file requires a pattern"))
m = matchmod.match(repo.root, repo.getcwd(), [pat])
s = []
for r in subset:
for f in repo[r].files():
if m(f):
s.append(r)
break
return s
def head(repo, subset, x):
"""``head()``
Changeset is a named branch head.
"""
# i18n: "head" is a keyword
getargs(x, 0, 0, _("head takes no arguments"))
hs = set()
for b, ls in repo.branchmap().iteritems():
hs.update(repo[h].rev() for h in ls)
return [r for r in subset if r in hs]
def heads(repo, subset, x):
"""``heads(set)``
Members of set with no children in set.
"""
s = getset(repo, subset, x)
ps = set(parents(repo, subset, x))
return [r for r in s if r not in ps]
def keyword(repo, subset, x):
"""``keyword(string)``
Search commit message, user name, and names of changed files for
string. The match is case-insensitive.
"""
# i18n: "keyword" is a keyword
kw = getstring(x, _("keyword requires a string")).lower()
l = []
for r in subset:
c = repo[r]
t = " ".join(c.files() + [c.user(), c.description()])
if kw in t.lower():
l.append(r)
return l
def limit(repo, subset, x):
"""``limit(set, n)``
First n members of set.
"""
# i18n: "limit" is a keyword
l = getargs(x, 2, 2, _("limit requires two arguments"))
try:
# i18n: "limit" is a keyword
lim = int(getstring(l[1], _("limit requires a number")))
except ValueError:
# i18n: "limit" is a keyword
raise error.ParseError(_("limit expects a number"))
ss = set(subset)
os = getset(repo, range(len(repo)), l[0])[:lim]
return [r for r in os if r in ss]
def last(repo, subset, x):
"""``last(set, n)``
Last n members of set.
"""
# i18n: "last" is a keyword
l = getargs(x, 2, 2, _("last requires two arguments"))
try:
# i18n: "last" is a keyword
lim = int(getstring(l[1], _("last requires a number")))
except ValueError:
# i18n: "last" is a keyword
raise error.ParseError(_("last expects a number"))
ss = set(subset)
os = getset(repo, range(len(repo)), l[0])[-lim:]
return [r for r in os if r in ss]
def maxrev(repo, subset, x):
"""``max(set)``
Changeset with highest revision number in set.
"""
os = getset(repo, range(len(repo)), x)
if os:
m = max(os)
if m in subset:
return [m]
return []
def merge(repo, subset, x):
"""``merge()``
Changeset is a merge changeset.
"""
# i18n: "merge" is a keyword
getargs(x, 0, 0, _("merge takes no arguments"))
cl = repo.changelog
return [r for r in subset if cl.parentrevs(r)[1] != -1]
def minrev(repo, subset, x):
"""``min(set)``
Changeset with lowest revision number in set.
"""
os = getset(repo, range(len(repo)), x)
if os:
m = min(os)
if m in subset:
return [m]
return []
def modifies(repo, subset, x):
"""``modifies(pattern)``
Changesets modifying files matched by pattern.
"""
# i18n: "modifies" is a keyword
pat = getstring(x, _("modifies requires a pattern"))
return checkstatus(repo, subset, pat, 0)
def node(repo, subset, x):
"""``id(string)``
Revision non-ambiguously specified by the given hex string prefix.
"""
# i18n: "id" is a keyword
l = getargs(x, 1, 1, _("id requires one argument"))
# i18n: "id" is a keyword
n = getstring(l[0], _("id requires a string"))
if len(n) == 40:
rn = repo[n].rev()
else:
rn = repo.changelog.rev(repo.changelog._partialmatch(n))
return [r for r in subset if r == rn]
def outgoing(repo, subset, x):
"""``outgoing([path])``
Changesets not found in the specified destination repository, or the
default push location.
"""
import hg # avoid start-up nasties
# i18n: "outgoing" is a keyword
l = getargs(x, 0, 1, _("outgoing requires a repository path"))
# i18n: "outgoing" is a keyword
dest = l and getstring(l[0], _("outgoing requires a repository path")) or ''
dest = repo.ui.expandpath(dest or 'default-push', dest or 'default')
dest, branches = hg.parseurl(dest)
revs, checkout = hg.addbranchrevs(repo, repo, branches, [])
if revs:
revs = [repo.lookup(rev) for rev in revs]
other = hg.peer(repo, {}, dest)
repo.ui.pushbuffer()
common, outheads = discovery.findcommonoutgoing(repo, other, onlyheads=revs)
repo.ui.popbuffer()
cl = repo.changelog
o = set([cl.rev(r) for r in repo.changelog.findmissing(common, outheads)])
return [r for r in subset if r in o]
def p1(repo, subset, x):
"""``p1([set])``
First parent of changesets in set, or the working directory.
"""
if x is None:
p = repo[x].p1().rev()
return [r for r in subset if r == p]
ps = set()
cl = repo.changelog
for r in getset(repo, range(len(repo)), x):
ps.add(cl.parentrevs(r)[0])
return [r for r in subset if r in ps]
def p2(repo, subset, x):
"""``p2([set])``
Second parent of changesets in set, or the working directory.
"""
if x is None:
ps = repo[x].parents()
try:
p = ps[1].rev()
return [r for r in subset if r == p]
except IndexError:
return []
ps = set()
cl = repo.changelog
for r in getset(repo, range(len(repo)), x):
ps.add(cl.parentrevs(r)[1])
return [r for r in subset if r in ps]
def parents(repo, subset, x):
"""``parents([set])``
The set of all parents for all changesets in set, or the working directory.
"""
if x is None:
ps = tuple(p.rev() for p in repo[x].parents())
return [r for r in subset if r in ps]
ps = set()
cl = repo.changelog
for r in getset(repo, range(len(repo)), x):
ps.update(cl.parentrevs(r))
return [r for r in subset if r in ps]
def parentspec(repo, subset, x, n):
"""``set^0``
The set.
``set^1`` (or ``set^``), ``set^2``
First or second parent, respectively, of all changesets in set.
"""
try:
n = int(n[1])
if n not in (0, 1, 2):
raise ValueError
except ValueError:
raise error.ParseError(_("^ expects a number 0, 1, or 2"))
ps = set()
cl = repo.changelog
for r in getset(repo, subset, x):
if n == 0:
ps.add(r)
elif n == 1:
ps.add(cl.parentrevs(r)[0])
elif n == 2:
parents = cl.parentrevs(r)
if len(parents) > 1:
ps.add(parents[1])
return [r for r in subset if r in ps]
def present(repo, subset, x):
"""``present(set)``
An empty set, if any revision in set isn't found; otherwise,
all revisions in set.
"""
try:
return getset(repo, subset, x)
except error.RepoLookupError:
return []
def removes(repo, subset, x):
"""``removes(pattern)``
Changesets which remove files matching pattern.
"""
# i18n: "removes" is a keyword
pat = getstring(x, _("removes requires a pattern"))
return checkstatus(repo, subset, pat, 2)
def rev(repo, subset, x):
"""``rev(number)``
Revision with the given numeric identifier.
"""
# i18n: "rev" is a keyword
l = getargs(x, 1, 1, _("rev requires one argument"))
try:
# i18n: "rev" is a keyword
l = int(getstring(l[0], _("rev requires a number")))
except ValueError:
# i18n: "rev" is a keyword
raise error.ParseError(_("rev expects a number"))
return [r for r in subset if r == l]
def reverse(repo, subset, x):
"""``reverse(set)``
Reverse order of set.
"""
l = getset(repo, subset, x)
l.reverse()
return l
def roots(repo, subset, x):
"""``roots(set)``
Changesets with no parent changeset in set.
"""
s = getset(repo, subset, x)
cs = set(children(repo, subset, x))
return [r for r in s if r not in cs]
def sort(repo, subset, x):
"""``sort(set[, [-]key...])``
Sort set by keys. The default sort order is ascending, specify a key
as ``-key`` to sort in descending order.
The keys can be:
- ``rev`` for the revision number,
- ``branch`` for the branch name,
- ``desc`` for the commit message (description),
- ``user`` for user name (``author`` can be used as an alias),
- ``date`` for the commit date
"""
# i18n: "sort" is a keyword
l = getargs(x, 1, 2, _("sort requires one or two arguments"))
keys = "rev"
if len(l) == 2:
keys = getstring(l[1], _("sort spec must be a string"))
s = l[0]
keys = keys.split()
l = []
def invert(s):
return "".join(chr(255 - ord(c)) for c in s)
for r in getset(repo, subset, s):
c = repo[r]
e = []
for k in keys:
if k == 'rev':
e.append(r)
elif k == '-rev':
e.append(-r)
elif k == 'branch':
e.append(c.branch())
elif k == '-branch':
e.append(invert(c.branch()))
elif k == 'desc':
e.append(c.description())
elif k == '-desc':
e.append(invert(c.description()))
elif k in 'user author':
e.append(c.user())
elif k in '-user -author':
e.append(invert(c.user()))
elif k == 'date':
e.append(c.date()[0])
elif k == '-date':
e.append(-c.date()[0])
else:
raise error.ParseError(_("unknown sort key %r") % k)
e.append(r)
l.append(e)
l.sort()
return [e[-1] for e in l]
def tag(repo, subset, x):
"""``tag([name])``
The specified tag by name, or all tagged revisions if no name is given.
"""
# i18n: "tag" is a keyword
args = getargs(x, 0, 1, _("tag takes one or no arguments"))
cl = repo.changelog
if args:
tn = getstring(args[0],
# i18n: "tag" is a keyword
_('the argument to tag must be a string'))
if not repo.tags().get(tn, None):
raise util.Abort(_("tag '%s' does not exist") % tn)
s = set([cl.rev(n) for t, n in repo.tagslist() if t == tn])
else:
s = set([cl.rev(n) for t, n in repo.tagslist() if t != 'tip'])
return [r for r in subset if r in s]
def tagged(repo, subset, x):
return tag(repo, subset, x)
def user(repo, subset, x):
"""``user(string)``
User name contains string. The match is case-insensitive.
"""
return author(repo, subset, x)
symbols = {
"adds": adds,
"all": getall,
"ancestor": ancestor,
"ancestors": ancestors,
"author": author,
"bisected": bisected,
"bookmark": bookmark,
"branch": branch,
"children": children,
"closed": closed,
"contains": contains,
"date": date,
"desc": desc,
"descendants": descendants,
"file": hasfile,
"filelog": filelog,
"follow": follow,
"grep": grep,
"head": head,
"heads": heads,
"id": node,
"keyword": keyword,
"last": last,
"limit": limit,
"max": maxrev,
"merge": merge,
"min": minrev,
"modifies": modifies,
"outgoing": outgoing,
"p1": p1,
"p2": p2,
"parents": parents,
"present": present,
"removes": removes,
"rev": rev,
"reverse": reverse,
"roots": roots,
"sort": sort,
"tag": tag,
"tagged": tagged,
"user": user,
}
methods = {
"range": rangeset,
"string": stringset,
"symbol": symbolset,
"and": andset,
"or": orset,
"not": notset,
"list": listset,
"func": func,
"ancestor": ancestorspec,
"parent": parentspec,
"parentpost": p1,
}
def optimize(x, small):
if x is None:
return 0, x
smallbonus = 1
if small:
smallbonus = .5
op = x[0]
if op == 'minus':
return optimize(('and', x[1], ('not', x[2])), small)
elif op == 'dagrange':
return optimize(('and', ('func', ('symbol', 'descendants'), x[1]),
('func', ('symbol', 'ancestors'), x[2])), small)
elif op == 'dagrangepre':
return optimize(('func', ('symbol', 'ancestors'), x[1]), small)
elif op == 'dagrangepost':
return optimize(('func', ('symbol', 'descendants'), x[1]), small)
elif op == 'rangepre':
return optimize(('range', ('string', '0'), x[1]), small)
elif op == 'rangepost':
return optimize(('range', x[1], ('string', 'tip')), small)
elif op == 'negate':
return optimize(('string',
'-' + getstring(x[1], _("can't negate that"))), small)
elif op in 'string symbol negate':
return smallbonus, x # single revisions are small
elif op == 'and' or op == 'dagrange':
wa, ta = optimize(x[1], True)
wb, tb = optimize(x[2], True)
w = min(wa, wb)
if wa > wb:
return w, (op, tb, ta)
return w, (op, ta, tb)
elif op == 'or':
wa, ta = optimize(x[1], False)
wb, tb = optimize(x[2], False)
if wb < wa:
wb, wa = wa, wb
return max(wa, wb), (op, ta, tb)
elif op == 'not':
o = optimize(x[1], not small)
return o[0], (op, o[1])
elif op == 'parentpost':
o = optimize(x[1], small)
return o[0], (op, o[1])
elif op == 'group':
return optimize(x[1], small)
elif op in 'range list parent ancestorspec':
wa, ta = optimize(x[1], small)
wb, tb = optimize(x[2], small)
return wa + wb, (op, ta, tb)
elif op == 'func':
f = getstring(x[1], _("not a symbol"))
wa, ta = optimize(x[2], small)
if f in ("author branch closed date desc file grep keyword "
"outgoing user"):
w = 10 # slow
elif f in "modifies adds removes":
w = 30 # slower
elif f == "contains":
w = 100 # very slow
elif f == "ancestor":
w = 1 * smallbonus
elif f in "reverse limit":
w = 0
elif f in "sort":
w = 10 # assume most sorts look at changelog
else:
w = 1
return w + wa, (op, x[1], ta)
return 1, x
class revsetalias(object):
funcre = re.compile('^([^(]+)\(([^)]+)\)$')
args = ()
def __init__(self, token, value):
'''Aliases like:
h = heads(default)
b($1) = ancestors($1) - ancestors(default)
'''
if isinstance(token, tuple):
self.type, self.name = token
else:
m = self.funcre.search(token)
if m:
self.type = 'func'
self.name = m.group(1)
self.args = [x.strip() for x in m.group(2).split(',')]
else:
self.type = 'symbol'
self.name = token
if isinstance(value, str):
for arg in self.args:
value = value.replace(arg, repr(arg))
self.replacement, pos = parse(value)
if pos != len(value):
raise error.ParseError('invalid token', pos)
else:
self.replacement = value
def match(self, tree):
if not tree:
return False
if tree == (self.type, self.name):
return True
if tree[0] != self.type:
return False
if len(tree) > 1 and tree[1] != ('symbol', self.name):
return False
# 'func' + funcname + args
if ((self.args and len(tree) != 3) or
(len(self.args) == 1 and tree[2][0] == 'list') or
(len(self.args) > 1 and (tree[2][0] != 'list' or
len(tree[2]) - 1 != len(self.args)))):
raise error.ParseError('invalid amount of arguments', len(tree) - 2)
return True
def replace(self, tree):
if tree == (self.type, self.name):
return self.replacement
result = self.replacement
def getsubtree(i):
if tree[2][0] == 'list':
return tree[2][i + 1]
return tree[i + 2]
for i, v in enumerate(self.args):
valalias = revsetalias(('string', v), getsubtree(i))
result = valalias.process(result)
return result
def process(self, tree):
if self.match(tree):
return self.replace(tree)
if isinstance(tree, tuple):
return tuple(map(self.process, tree))
return tree
def findaliases(ui, tree):
for k, v in ui.configitems('revsetalias'):
alias = revsetalias(k, v)
tree = alias.process(tree)
return tree
parse = parser.parser(tokenize, elements).parse
def match(ui, spec):
if not spec:
raise error.ParseError(_("empty query"))
tree, pos = parse(spec)
if (pos != len(spec)):
raise error.ParseError("invalid token", pos)
tree = findaliases(ui, tree)
weight, tree = optimize(tree, True)
def mfunc(repo, subset):
return getset(repo, subset, tree)
return mfunc
# tell hggettext to extract docstrings from these functions:
i18nfunctions = symbols.values()