Mercurial > hg
view mercurial/revset.py @ 14825:de9eb6b1da4f stable 1.9
util: rename the util.localpath that uses url to urllocalpath (issue2875)
util is never imported by any other name than util, so this is mostly just a
simple search and replace from util.localpath to util.urllocalpath (assuming
other uses of util.localpath already has been renamed).
author | Mads Kiilerich <mads@kiilerich.com> |
---|---|
date | Fri, 01 Jul 2011 17:37:09 +0200 |
parents | b9faf94ee196 |
children | 805651777188 |
line wrap: on
line source
# 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, x): """``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 takes one or no arguments")) # 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 = None def __init__(self, name, value): '''Aliases like: h = heads(default) b($1) = ancestors($1) - ancestors(default) ''' if isinstance(name, tuple): # parameter substitution self.tree = name self.replacement = value else: # alias definition m = self.funcre.search(name) if m: self.tree = ('func', ('symbol', m.group(1))) self.args = [x.strip() for x in m.group(2).split(',')] for arg in self.args: value = value.replace(arg, repr(arg)) else: self.tree = ('symbol', name) self.replacement, pos = parse(value) if pos != len(value): raise error.ParseError(_('invalid token'), pos) def process(self, tree): if isinstance(tree, tuple): if self.args is None: if tree == self.tree: return self.replacement elif tree[:2] == self.tree: l = getlist(tree[2]) if len(l) != len(self.args): raise error.ParseError( _('invalid number of arguments: %s') % len(l)) result = self.replacement for a, v in zip(self.args, l): valalias = revsetalias(('string', a), v) result = valalias.process(result) return result 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()