Mercurial > hg
view mercurial/revset.py @ 14723:b9faf94ee196 stable
revset: fix aliases with 0 or more than 2 parameters
The existing code seemed to have incorrect assumptions about how parameter
lists are represented by the parser.
Now the match and replace functions have been merged and simplified by using
getlist().
author | Mads Kiilerich <mads@kiilerich.com> |
---|---|
date | Wed, 22 Jun 2011 01:55:00 +0200 |
parents | c8ee2729e89f |
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()