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@@ -1,740 +1,740 b'' | |||||
1 | # revsetlang.py - parser, tokenizer and utility for revision set language |
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1 | # revsetlang.py - parser, tokenizer and utility for revision set language | |
2 | # |
|
2 | # | |
3 | # Copyright 2010 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import string |
|
10 | import string | |
11 |
|
11 | |||
12 | from .i18n import _ |
|
12 | from .i18n import _ | |
13 | from . import ( |
|
13 | from . import ( | |
14 | error, |
|
14 | error, | |
15 | node, |
|
15 | node, | |
16 | parser, |
|
16 | parser, | |
17 | pycompat, |
|
17 | pycompat, | |
18 | util, |
|
18 | util, | |
19 | ) |
|
19 | ) | |
20 |
|
20 | |||
21 | elements = { |
|
21 | elements = { | |
22 | # token-type: binding-strength, primary, prefix, infix, suffix |
|
22 | # token-type: binding-strength, primary, prefix, infix, suffix | |
23 | "(": (21, None, ("group", 1, ")"), ("func", 1, ")"), None), |
|
23 | "(": (21, None, ("group", 1, ")"), ("func", 1, ")"), None), | |
24 | "[": (21, None, None, ("subscript", 1, "]"), None), |
|
24 | "[": (21, None, None, ("subscript", 1, "]"), None), | |
25 | "#": (21, None, None, ("relation", 21), None), |
|
25 | "#": (21, None, None, ("relation", 21), None), | |
26 | "##": (20, None, None, ("_concat", 20), None), |
|
26 | "##": (20, None, None, ("_concat", 20), None), | |
27 | "~": (18, None, None, ("ancestor", 18), None), |
|
27 | "~": (18, None, None, ("ancestor", 18), None), | |
28 | "^": (18, None, None, ("parent", 18), "parentpost"), |
|
28 | "^": (18, None, None, ("parent", 18), "parentpost"), | |
29 | "-": (5, None, ("negate", 19), ("minus", 5), None), |
|
29 | "-": (5, None, ("negate", 19), ("minus", 5), None), | |
30 | "::": (17, "dagrangeall", ("dagrangepre", 17), ("dagrange", 17), |
|
30 | "::": (17, "dagrangeall", ("dagrangepre", 17), ("dagrange", 17), | |
31 | "dagrangepost"), |
|
31 | "dagrangepost"), | |
32 | "..": (17, "dagrangeall", ("dagrangepre", 17), ("dagrange", 17), |
|
32 | "..": (17, "dagrangeall", ("dagrangepre", 17), ("dagrange", 17), | |
33 | "dagrangepost"), |
|
33 | "dagrangepost"), | |
34 | ":": (15, "rangeall", ("rangepre", 15), ("range", 15), "rangepost"), |
|
34 | ":": (15, "rangeall", ("rangepre", 15), ("range", 15), "rangepost"), | |
35 | "not": (10, None, ("not", 10), None, None), |
|
35 | "not": (10, None, ("not", 10), None, None), | |
36 | "!": (10, None, ("not", 10), None, None), |
|
36 | "!": (10, None, ("not", 10), None, None), | |
37 | "and": (5, None, None, ("and", 5), None), |
|
37 | "and": (5, None, None, ("and", 5), None), | |
38 | "&": (5, None, None, ("and", 5), None), |
|
38 | "&": (5, None, None, ("and", 5), None), | |
39 | "%": (5, None, None, ("only", 5), "onlypost"), |
|
39 | "%": (5, None, None, ("only", 5), "onlypost"), | |
40 | "or": (4, None, None, ("or", 4), None), |
|
40 | "or": (4, None, None, ("or", 4), None), | |
41 | "|": (4, None, None, ("or", 4), None), |
|
41 | "|": (4, None, None, ("or", 4), None), | |
42 | "+": (4, None, None, ("or", 4), None), |
|
42 | "+": (4, None, None, ("or", 4), None), | |
43 | "=": (3, None, None, ("keyvalue", 3), None), |
|
43 | "=": (3, None, None, ("keyvalue", 3), None), | |
44 | ",": (2, None, None, ("list", 2), None), |
|
44 | ",": (2, None, None, ("list", 2), None), | |
45 | ")": (0, None, None, None, None), |
|
45 | ")": (0, None, None, None, None), | |
46 | "]": (0, None, None, None, None), |
|
46 | "]": (0, None, None, None, None), | |
47 | "symbol": (0, "symbol", None, None, None), |
|
47 | "symbol": (0, "symbol", None, None, None), | |
48 | "string": (0, "string", None, None, None), |
|
48 | "string": (0, "string", None, None, None), | |
49 | "end": (0, None, None, None, None), |
|
49 | "end": (0, None, None, None, None), | |
50 | } |
|
50 | } | |
51 |
|
51 | |||
52 | keywords = {'and', 'or', 'not'} |
|
52 | keywords = {'and', 'or', 'not'} | |
53 |
|
53 | |||
54 | symbols = {} |
|
54 | symbols = {} | |
55 |
|
55 | |||
56 | _quoteletters = {'"', "'"} |
|
56 | _quoteletters = {'"', "'"} | |
57 | _simpleopletters = set(pycompat.iterbytestr("()[]#:=,-|&+!~^%")) |
|
57 | _simpleopletters = set(pycompat.iterbytestr("()[]#:=,-|&+!~^%")) | |
58 |
|
58 | |||
59 | # default set of valid characters for the initial letter of symbols |
|
59 | # default set of valid characters for the initial letter of symbols | |
60 | _syminitletters = set(pycompat.iterbytestr( |
|
60 | _syminitletters = set(pycompat.iterbytestr( | |
61 | string.ascii_letters.encode('ascii') + |
|
61 | string.ascii_letters.encode('ascii') + | |
62 | string.digits.encode('ascii') + |
|
62 | string.digits.encode('ascii') + | |
63 | '._@')) | set(map(pycompat.bytechr, xrange(128, 256))) |
|
63 | '._@')) | set(map(pycompat.bytechr, xrange(128, 256))) | |
64 |
|
64 | |||
65 | # default set of valid characters for non-initial letters of symbols |
|
65 | # default set of valid characters for non-initial letters of symbols | |
66 | _symletters = _syminitletters | set(pycompat.iterbytestr('-/')) |
|
66 | _symletters = _syminitletters | set(pycompat.iterbytestr('-/')) | |
67 |
|
67 | |||
68 | def tokenize(program, lookup=None, syminitletters=None, symletters=None): |
|
68 | def tokenize(program, lookup=None, syminitletters=None, symletters=None): | |
69 | ''' |
|
69 | ''' | |
70 | Parse a revset statement into a stream of tokens |
|
70 | Parse a revset statement into a stream of tokens | |
71 |
|
71 | |||
72 | ``syminitletters`` is the set of valid characters for the initial |
|
72 | ``syminitletters`` is the set of valid characters for the initial | |
73 | letter of symbols. |
|
73 | letter of symbols. | |
74 |
|
74 | |||
75 | By default, character ``c`` is recognized as valid for initial |
|
75 | By default, character ``c`` is recognized as valid for initial | |
76 | letter of symbols, if ``c.isalnum() or c in '._@' or ord(c) > 127``. |
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76 | letter of symbols, if ``c.isalnum() or c in '._@' or ord(c) > 127``. | |
77 |
|
77 | |||
78 | ``symletters`` is the set of valid characters for non-initial |
|
78 | ``symletters`` is the set of valid characters for non-initial | |
79 | letters of symbols. |
|
79 | letters of symbols. | |
80 |
|
80 | |||
81 | By default, character ``c`` is recognized as valid for non-initial |
|
81 | By default, character ``c`` is recognized as valid for non-initial | |
82 | letters of symbols, if ``c.isalnum() or c in '-._/@' or ord(c) > 127``. |
|
82 | letters of symbols, if ``c.isalnum() or c in '-._/@' or ord(c) > 127``. | |
83 |
|
83 | |||
84 | Check that @ is a valid unquoted token character (issue3686): |
|
84 | Check that @ is a valid unquoted token character (issue3686): | |
85 | >>> list(tokenize(b"@::")) |
|
85 | >>> list(tokenize(b"@::")) | |
86 | [('symbol', '@', 0), ('::', None, 1), ('end', None, 3)] |
|
86 | [('symbol', '@', 0), ('::', None, 1), ('end', None, 3)] | |
87 |
|
87 | |||
88 | ''' |
|
88 | ''' | |
89 | program = pycompat.bytestr(program) |
|
89 | program = pycompat.bytestr(program) | |
90 | if syminitletters is None: |
|
90 | if syminitletters is None: | |
91 | syminitletters = _syminitletters |
|
91 | syminitletters = _syminitletters | |
92 | if symletters is None: |
|
92 | if symletters is None: | |
93 | symletters = _symletters |
|
93 | symletters = _symletters | |
94 |
|
94 | |||
95 | if program and lookup: |
|
95 | if program and lookup: | |
96 | # attempt to parse old-style ranges first to deal with |
|
96 | # attempt to parse old-style ranges first to deal with | |
97 | # things like old-tag which contain query metacharacters |
|
97 | # things like old-tag which contain query metacharacters | |
98 | parts = program.split(':', 1) |
|
98 | parts = program.split(':', 1) | |
99 | if all(lookup(sym) for sym in parts if sym): |
|
99 | if all(lookup(sym) for sym in parts if sym): | |
100 | if parts[0]: |
|
100 | if parts[0]: | |
101 | yield ('symbol', parts[0], 0) |
|
101 | yield ('symbol', parts[0], 0) | |
102 | if len(parts) > 1: |
|
102 | if len(parts) > 1: | |
103 | s = len(parts[0]) |
|
103 | s = len(parts[0]) | |
104 | yield (':', None, s) |
|
104 | yield (':', None, s) | |
105 | if parts[1]: |
|
105 | if parts[1]: | |
106 | yield ('symbol', parts[1], s + 1) |
|
106 | yield ('symbol', parts[1], s + 1) | |
107 | yield ('end', None, len(program)) |
|
107 | yield ('end', None, len(program)) | |
108 | return |
|
108 | return | |
109 |
|
109 | |||
110 | pos, l = 0, len(program) |
|
110 | pos, l = 0, len(program) | |
111 | while pos < l: |
|
111 | while pos < l: | |
112 | c = program[pos] |
|
112 | c = program[pos] | |
113 | if c.isspace(): # skip inter-token whitespace |
|
113 | if c.isspace(): # skip inter-token whitespace | |
114 | pass |
|
114 | pass | |
115 | elif c == ':' and program[pos:pos + 2] == '::': # look ahead carefully |
|
115 | elif c == ':' and program[pos:pos + 2] == '::': # look ahead carefully | |
116 | yield ('::', None, pos) |
|
116 | yield ('::', None, pos) | |
117 | pos += 1 # skip ahead |
|
117 | pos += 1 # skip ahead | |
118 | elif c == '.' and program[pos:pos + 2] == '..': # look ahead carefully |
|
118 | elif c == '.' and program[pos:pos + 2] == '..': # look ahead carefully | |
119 | yield ('..', None, pos) |
|
119 | yield ('..', None, pos) | |
120 | pos += 1 # skip ahead |
|
120 | pos += 1 # skip ahead | |
121 | elif c == '#' and program[pos:pos + 2] == '##': # look ahead carefully |
|
121 | elif c == '#' and program[pos:pos + 2] == '##': # look ahead carefully | |
122 | yield ('##', None, pos) |
|
122 | yield ('##', None, pos) | |
123 | pos += 1 # skip ahead |
|
123 | pos += 1 # skip ahead | |
124 | elif c in _simpleopletters: # handle simple operators |
|
124 | elif c in _simpleopletters: # handle simple operators | |
125 | yield (c, None, pos) |
|
125 | yield (c, None, pos) | |
126 | elif (c in _quoteletters or c == 'r' and |
|
126 | elif (c in _quoteletters or c == 'r' and | |
127 | program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings |
|
127 | program[pos:pos + 2] in ("r'", 'r"')): # handle quoted strings | |
128 | if c == 'r': |
|
128 | if c == 'r': | |
129 | pos += 1 |
|
129 | pos += 1 | |
130 | c = program[pos] |
|
130 | c = program[pos] | |
131 | decode = lambda x: x |
|
131 | decode = lambda x: x | |
132 | else: |
|
132 | else: | |
133 | decode = parser.unescapestr |
|
133 | decode = parser.unescapestr | |
134 | pos += 1 |
|
134 | pos += 1 | |
135 | s = pos |
|
135 | s = pos | |
136 | while pos < l: # find closing quote |
|
136 | while pos < l: # find closing quote | |
137 | d = program[pos] |
|
137 | d = program[pos] | |
138 | if d == '\\': # skip over escaped characters |
|
138 | if d == '\\': # skip over escaped characters | |
139 | pos += 2 |
|
139 | pos += 2 | |
140 | continue |
|
140 | continue | |
141 | if d == c: |
|
141 | if d == c: | |
142 | yield ('string', decode(program[s:pos]), s) |
|
142 | yield ('string', decode(program[s:pos]), s) | |
143 | break |
|
143 | break | |
144 | pos += 1 |
|
144 | pos += 1 | |
145 | else: |
|
145 | else: | |
146 | raise error.ParseError(_("unterminated string"), s) |
|
146 | raise error.ParseError(_("unterminated string"), s) | |
147 | # gather up a symbol/keyword |
|
147 | # gather up a symbol/keyword | |
148 | elif c in syminitletters: |
|
148 | elif c in syminitletters: | |
149 | s = pos |
|
149 | s = pos | |
150 | pos += 1 |
|
150 | pos += 1 | |
151 | while pos < l: # find end of symbol |
|
151 | while pos < l: # find end of symbol | |
152 | d = program[pos] |
|
152 | d = program[pos] | |
153 | if d not in symletters: |
|
153 | if d not in symletters: | |
154 | break |
|
154 | break | |
155 | if d == '.' and program[pos - 1] == '.': # special case for .. |
|
155 | if d == '.' and program[pos - 1] == '.': # special case for .. | |
156 | pos -= 1 |
|
156 | pos -= 1 | |
157 | break |
|
157 | break | |
158 | pos += 1 |
|
158 | pos += 1 | |
159 | sym = program[s:pos] |
|
159 | sym = program[s:pos] | |
160 | if sym in keywords: # operator keywords |
|
160 | if sym in keywords: # operator keywords | |
161 | yield (sym, None, s) |
|
161 | yield (sym, None, s) | |
162 | elif '-' in sym: |
|
162 | elif '-' in sym: | |
163 | # some jerk gave us foo-bar-baz, try to check if it's a symbol |
|
163 | # some jerk gave us foo-bar-baz, try to check if it's a symbol | |
164 | if lookup and lookup(sym): |
|
164 | if lookup and lookup(sym): | |
165 | # looks like a real symbol |
|
165 | # looks like a real symbol | |
166 | yield ('symbol', sym, s) |
|
166 | yield ('symbol', sym, s) | |
167 | else: |
|
167 | else: | |
168 | # looks like an expression |
|
168 | # looks like an expression | |
169 | parts = sym.split('-') |
|
169 | parts = sym.split('-') | |
170 | for p in parts[:-1]: |
|
170 | for p in parts[:-1]: | |
171 | if p: # possible consecutive - |
|
171 | if p: # possible consecutive - | |
172 | yield ('symbol', p, s) |
|
172 | yield ('symbol', p, s) | |
173 | s += len(p) |
|
173 | s += len(p) | |
174 | yield ('-', None, pos) |
|
174 | yield ('-', None, pos) | |
175 | s += 1 |
|
175 | s += 1 | |
176 | if parts[-1]: # possible trailing - |
|
176 | if parts[-1]: # possible trailing - | |
177 | yield ('symbol', parts[-1], s) |
|
177 | yield ('symbol', parts[-1], s) | |
178 | else: |
|
178 | else: | |
179 | yield ('symbol', sym, s) |
|
179 | yield ('symbol', sym, s) | |
180 | pos -= 1 |
|
180 | pos -= 1 | |
181 | else: |
|
181 | else: | |
182 | raise error.ParseError(_("syntax error in revset '%s'") % |
|
182 | raise error.ParseError(_("syntax error in revset '%s'") % | |
183 | program, pos) |
|
183 | program, pos) | |
184 | pos += 1 |
|
184 | pos += 1 | |
185 | yield ('end', None, pos) |
|
185 | yield ('end', None, pos) | |
186 |
|
186 | |||
187 | # helpers |
|
187 | # helpers | |
188 |
|
188 | |||
189 | _notset = object() |
|
189 | _notset = object() | |
190 |
|
190 | |||
191 | def getsymbol(x): |
|
191 | def getsymbol(x): | |
192 | if x and x[0] == 'symbol': |
|
192 | if x and x[0] == 'symbol': | |
193 | return x[1] |
|
193 | return x[1] | |
194 | raise error.ParseError(_('not a symbol')) |
|
194 | raise error.ParseError(_('not a symbol')) | |
195 |
|
195 | |||
196 | def getstring(x, err): |
|
196 | def getstring(x, err): | |
197 | if x and (x[0] == 'string' or x[0] == 'symbol'): |
|
197 | if x and (x[0] == 'string' or x[0] == 'symbol'): | |
198 | return x[1] |
|
198 | return x[1] | |
199 | raise error.ParseError(err) |
|
199 | raise error.ParseError(err) | |
200 |
|
200 | |||
201 | def getinteger(x, err, default=_notset): |
|
201 | def getinteger(x, err, default=_notset): | |
202 | if not x and default is not _notset: |
|
202 | if not x and default is not _notset: | |
203 | return default |
|
203 | return default | |
204 | try: |
|
204 | try: | |
205 | return int(getstring(x, err)) |
|
205 | return int(getstring(x, err)) | |
206 | except ValueError: |
|
206 | except ValueError: | |
207 | raise error.ParseError(err) |
|
207 | raise error.ParseError(err) | |
208 |
|
208 | |||
209 | def getboolean(x, err): |
|
209 | def getboolean(x, err): | |
210 | value = util.parsebool(getsymbol(x)) |
|
210 | value = util.parsebool(getsymbol(x)) | |
211 | if value is not None: |
|
211 | if value is not None: | |
212 | return value |
|
212 | return value | |
213 | raise error.ParseError(err) |
|
213 | raise error.ParseError(err) | |
214 |
|
214 | |||
215 | def getlist(x): |
|
215 | def getlist(x): | |
216 | if not x: |
|
216 | if not x: | |
217 | return [] |
|
217 | return [] | |
218 | if x[0] == 'list': |
|
218 | if x[0] == 'list': | |
219 | return list(x[1:]) |
|
219 | return list(x[1:]) | |
220 | return [x] |
|
220 | return [x] | |
221 |
|
221 | |||
222 | def getrange(x, err): |
|
222 | def getrange(x, err): | |
223 | if not x: |
|
223 | if not x: | |
224 | raise error.ParseError(err) |
|
224 | raise error.ParseError(err) | |
225 | op = x[0] |
|
225 | op = x[0] | |
226 | if op == 'range': |
|
226 | if op == 'range': | |
227 | return x[1], x[2] |
|
227 | return x[1], x[2] | |
228 | elif op == 'rangepre': |
|
228 | elif op == 'rangepre': | |
229 | return None, x[1] |
|
229 | return None, x[1] | |
230 | elif op == 'rangepost': |
|
230 | elif op == 'rangepost': | |
231 | return x[1], None |
|
231 | return x[1], None | |
232 | elif op == 'rangeall': |
|
232 | elif op == 'rangeall': | |
233 | return None, None |
|
233 | return None, None | |
234 | raise error.ParseError(err) |
|
234 | raise error.ParseError(err) | |
235 |
|
235 | |||
236 | def getargs(x, min, max, err): |
|
236 | def getargs(x, min, max, err): | |
237 | l = getlist(x) |
|
237 | l = getlist(x) | |
238 | if len(l) < min or (max >= 0 and len(l) > max): |
|
238 | if len(l) < min or (max >= 0 and len(l) > max): | |
239 | raise error.ParseError(err) |
|
239 | raise error.ParseError(err) | |
240 | return l |
|
240 | return l | |
241 |
|
241 | |||
242 | def getargsdict(x, funcname, keys): |
|
242 | def getargsdict(x, funcname, keys): | |
243 | return parser.buildargsdict(getlist(x), funcname, parser.splitargspec(keys), |
|
243 | return parser.buildargsdict(getlist(x), funcname, parser.splitargspec(keys), | |
244 | keyvaluenode='keyvalue', keynode='symbol') |
|
244 | keyvaluenode='keyvalue', keynode='symbol') | |
245 |
|
245 | |||
246 | # cache of {spec: raw parsed tree} built internally |
|
246 | # cache of {spec: raw parsed tree} built internally | |
247 | _treecache = {} |
|
247 | _treecache = {} | |
248 |
|
248 | |||
249 | def _cachedtree(spec): |
|
249 | def _cachedtree(spec): | |
250 | # thread safe because parse() is reentrant and dict.__setitem__() is atomic |
|
250 | # thread safe because parse() is reentrant and dict.__setitem__() is atomic | |
251 | tree = _treecache.get(spec) |
|
251 | tree = _treecache.get(spec) | |
252 | if tree is None: |
|
252 | if tree is None: | |
253 | _treecache[spec] = tree = parse(spec) |
|
253 | _treecache[spec] = tree = parse(spec) | |
254 | return tree |
|
254 | return tree | |
255 |
|
255 | |||
256 | def _build(tmplspec, *repls): |
|
256 | def _build(tmplspec, *repls): | |
257 | """Create raw parsed tree from a template revset statement |
|
257 | """Create raw parsed tree from a template revset statement | |
258 |
|
258 | |||
259 | >>> _build(b'f(_) and _', (b'string', b'1'), (b'symbol', b'2')) |
|
259 | >>> _build(b'f(_) and _', (b'string', b'1'), (b'symbol', b'2')) | |
260 | ('and', ('func', ('symbol', 'f'), ('string', '1')), ('symbol', '2')) |
|
260 | ('and', ('func', ('symbol', 'f'), ('string', '1')), ('symbol', '2')) | |
261 | """ |
|
261 | """ | |
262 | template = _cachedtree(tmplspec) |
|
262 | template = _cachedtree(tmplspec) | |
263 | return parser.buildtree(template, ('symbol', '_'), *repls) |
|
263 | return parser.buildtree(template, ('symbol', '_'), *repls) | |
264 |
|
264 | |||
265 | def _match(patspec, tree): |
|
265 | def _match(patspec, tree): | |
266 | """Test if a tree matches the given pattern statement; return the matches |
|
266 | """Test if a tree matches the given pattern statement; return the matches | |
267 |
|
267 | |||
268 | >>> _match(b'f(_)', parse(b'f()')) |
|
268 | >>> _match(b'f(_)', parse(b'f()')) | |
269 | >>> _match(b'f(_)', parse(b'f(1)')) |
|
269 | >>> _match(b'f(_)', parse(b'f(1)')) | |
270 | [('func', ('symbol', 'f'), ('symbol', '1')), ('symbol', '1')] |
|
270 | [('func', ('symbol', 'f'), ('symbol', '1')), ('symbol', '1')] | |
271 | >>> _match(b'f(_)', parse(b'f(1, 2)')) |
|
271 | >>> _match(b'f(_)', parse(b'f(1, 2)')) | |
272 | """ |
|
272 | """ | |
273 | pattern = _cachedtree(patspec) |
|
273 | pattern = _cachedtree(patspec) | |
274 | return parser.matchtree(pattern, tree, ('symbol', '_'), |
|
274 | return parser.matchtree(pattern, tree, ('symbol', '_'), | |
275 | {'keyvalue', 'list'}) |
|
275 | {'keyvalue', 'list'}) | |
276 |
|
276 | |||
277 | def _matchonly(revs, bases): |
|
277 | def _matchonly(revs, bases): | |
278 | return _match('ancestors(_) and not ancestors(_)', ('and', revs, bases)) |
|
278 | return _match('ancestors(_) and not ancestors(_)', ('and', revs, bases)) | |
279 |
|
279 | |||
280 | def _fixops(x): |
|
280 | def _fixops(x): | |
281 | """Rewrite raw parsed tree to resolve ambiguous syntax which cannot be |
|
281 | """Rewrite raw parsed tree to resolve ambiguous syntax which cannot be | |
282 | handled well by our simple top-down parser""" |
|
282 | handled well by our simple top-down parser""" | |
283 | if not isinstance(x, tuple): |
|
283 | if not isinstance(x, tuple): | |
284 | return x |
|
284 | return x | |
285 |
|
285 | |||
286 | op = x[0] |
|
286 | op = x[0] | |
287 | if op == 'parent': |
|
287 | if op == 'parent': | |
288 | # x^:y means (x^) : y, not x ^ (:y) |
|
288 | # x^:y means (x^) : y, not x ^ (:y) | |
289 | # x^: means (x^) :, not x ^ (:) |
|
289 | # x^: means (x^) :, not x ^ (:) | |
290 | post = ('parentpost', x[1]) |
|
290 | post = ('parentpost', x[1]) | |
291 | if x[2][0] == 'dagrangepre': |
|
291 | if x[2][0] == 'dagrangepre': | |
292 | return _fixops(('dagrange', post, x[2][1])) |
|
292 | return _fixops(('dagrange', post, x[2][1])) | |
293 | elif x[2][0] == 'dagrangeall': |
|
293 | elif x[2][0] == 'dagrangeall': | |
294 | return _fixops(('dagrangepost', post)) |
|
294 | return _fixops(('dagrangepost', post)) | |
295 | elif x[2][0] == 'rangepre': |
|
295 | elif x[2][0] == 'rangepre': | |
296 | return _fixops(('range', post, x[2][1])) |
|
296 | return _fixops(('range', post, x[2][1])) | |
297 | elif x[2][0] == 'rangeall': |
|
297 | elif x[2][0] == 'rangeall': | |
298 | return _fixops(('rangepost', post)) |
|
298 | return _fixops(('rangepost', post)) | |
299 | elif op == 'or': |
|
299 | elif op == 'or': | |
300 | # make number of arguments deterministic: |
|
300 | # make number of arguments deterministic: | |
301 | # x + y + z -> (or x y z) -> (or (list x y z)) |
|
301 | # x + y + z -> (or x y z) -> (or (list x y z)) | |
302 | return (op, _fixops(('list',) + x[1:])) |
|
302 | return (op, _fixops(('list',) + x[1:])) | |
303 | elif op == 'subscript' and x[1][0] == 'relation': |
|
303 | elif op == 'subscript' and x[1][0] == 'relation': | |
304 | # x#y[z] ternary |
|
304 | # x#y[z] ternary | |
305 | return _fixops(('relsubscript', x[1][1], x[1][2], x[2])) |
|
305 | return _fixops(('relsubscript', x[1][1], x[1][2], x[2])) | |
306 |
|
306 | |||
307 | return (op,) + tuple(_fixops(y) for y in x[1:]) |
|
307 | return (op,) + tuple(_fixops(y) for y in x[1:]) | |
308 |
|
308 | |||
309 | def _analyze(x): |
|
309 | def _analyze(x): | |
310 | if x is None: |
|
310 | if x is None: | |
311 | return x |
|
311 | return x | |
312 |
|
312 | |||
313 | op = x[0] |
|
313 | op = x[0] | |
314 | if op == 'minus': |
|
314 | if op == 'minus': | |
315 | return _analyze(_build('_ and not _', *x[1:])) |
|
315 | return _analyze(_build('_ and not _', *x[1:])) | |
316 | elif op == 'only': |
|
316 | elif op == 'only': | |
317 | return _analyze(_build('only(_, _)', *x[1:])) |
|
317 | return _analyze(_build('only(_, _)', *x[1:])) | |
318 | elif op == 'onlypost': |
|
318 | elif op == 'onlypost': | |
319 | return _analyze(_build('only(_)', x[1])) |
|
319 | return _analyze(_build('only(_)', x[1])) | |
320 | elif op == 'dagrangeall': |
|
320 | elif op == 'dagrangeall': | |
321 | raise error.ParseError(_("can't use '::' in this context")) |
|
321 | raise error.ParseError(_("can't use '::' in this context")) | |
322 | elif op == 'dagrangepre': |
|
322 | elif op == 'dagrangepre': | |
323 | return _analyze(_build('ancestors(_)', x[1])) |
|
323 | return _analyze(_build('ancestors(_)', x[1])) | |
324 | elif op == 'dagrangepost': |
|
324 | elif op == 'dagrangepost': | |
325 | return _analyze(_build('descendants(_)', x[1])) |
|
325 | return _analyze(_build('descendants(_)', x[1])) | |
326 | elif op == 'negate': |
|
326 | elif op == 'negate': | |
327 | s = getstring(x[1], _("can't negate that")) |
|
327 | s = getstring(x[1], _("can't negate that")) | |
328 | return _analyze(('string', '-' + s)) |
|
328 | return _analyze(('string', '-' + s)) | |
329 | elif op in ('string', 'symbol'): |
|
329 | elif op in ('string', 'symbol'): | |
330 | return x |
|
330 | return x | |
331 | elif op == 'rangeall': |
|
331 | elif op == 'rangeall': | |
332 | return (op, None) |
|
332 | return (op, None) | |
333 | elif op in {'or', 'not', 'rangepre', 'rangepost', 'parentpost'}: |
|
333 | elif op in {'or', 'not', 'rangepre', 'rangepost', 'parentpost'}: | |
334 | return (op, _analyze(x[1])) |
|
334 | return (op, _analyze(x[1])) | |
335 | elif op == 'group': |
|
335 | elif op == 'group': | |
336 | return _analyze(x[1]) |
|
336 | return _analyze(x[1]) | |
337 | elif op in {'and', 'dagrange', 'range', 'parent', 'ancestor', 'relation', |
|
337 | elif op in {'and', 'dagrange', 'range', 'parent', 'ancestor', 'relation', | |
338 | 'subscript'}: |
|
338 | 'subscript'}: | |
339 | ta = _analyze(x[1]) |
|
339 | ta = _analyze(x[1]) | |
340 | tb = _analyze(x[2]) |
|
340 | tb = _analyze(x[2]) | |
341 | return (op, ta, tb) |
|
341 | return (op, ta, tb) | |
342 | elif op == 'relsubscript': |
|
342 | elif op == 'relsubscript': | |
343 | ta = _analyze(x[1]) |
|
343 | ta = _analyze(x[1]) | |
344 | tb = _analyze(x[2]) |
|
344 | tb = _analyze(x[2]) | |
345 | tc = _analyze(x[3]) |
|
345 | tc = _analyze(x[3]) | |
346 | return (op, ta, tb, tc) |
|
346 | return (op, ta, tb, tc) | |
347 | elif op == 'list': |
|
347 | elif op == 'list': | |
348 | return (op,) + tuple(_analyze(y) for y in x[1:]) |
|
348 | return (op,) + tuple(_analyze(y) for y in x[1:]) | |
349 | elif op == 'keyvalue': |
|
349 | elif op == 'keyvalue': | |
350 | return (op, x[1], _analyze(x[2])) |
|
350 | return (op, x[1], _analyze(x[2])) | |
351 | elif op == 'func': |
|
351 | elif op == 'func': | |
352 | return (op, x[1], _analyze(x[2])) |
|
352 | return (op, x[1], _analyze(x[2])) | |
353 | raise ValueError('invalid operator %r' % op) |
|
353 | raise ValueError('invalid operator %r' % op) | |
354 |
|
354 | |||
355 | def analyze(x): |
|
355 | def analyze(x): | |
356 | """Transform raw parsed tree to evaluatable tree which can be fed to |
|
356 | """Transform raw parsed tree to evaluatable tree which can be fed to | |
357 | optimize() or getset() |
|
357 | optimize() or getset() | |
358 |
|
358 | |||
359 | All pseudo operations should be mapped to real operations or functions |
|
359 | All pseudo operations should be mapped to real operations or functions | |
360 | defined in methods or symbols table respectively. |
|
360 | defined in methods or symbols table respectively. | |
361 | """ |
|
361 | """ | |
362 | return _analyze(x) |
|
362 | return _analyze(x) | |
363 |
|
363 | |||
364 | def _optimize(x): |
|
364 | def _optimize(x): | |
365 | if x is None: |
|
365 | if x is None: | |
366 | return 0, x |
|
366 | return 0, x | |
367 |
|
367 | |||
368 | op = x[0] |
|
368 | op = x[0] | |
369 | if op in ('string', 'symbol'): |
|
369 | if op in ('string', 'symbol'): | |
370 | return 0.5, x # single revisions are small |
|
370 | return 0.5, x # single revisions are small | |
371 | elif op == 'and': |
|
371 | elif op == 'and': | |
372 | wa, ta = _optimize(x[1]) |
|
372 | wa, ta = _optimize(x[1]) | |
373 | wb, tb = _optimize(x[2]) |
|
373 | wb, tb = _optimize(x[2]) | |
374 | w = min(wa, wb) |
|
374 | w = min(wa, wb) | |
375 |
|
375 | |||
376 | # (draft/secret/_notpublic() & ::x) have a fast path |
|
376 | # (draft/secret/_notpublic() & ::x) have a fast path | |
377 | m = _match('_() & ancestors(_)', ('and', ta, tb)) |
|
377 | m = _match('_() & ancestors(_)', ('and', ta, tb)) | |
378 | if m and getsymbol(m[1]) in {'draft', 'secret', '_notpublic'}: |
|
378 | if m and getsymbol(m[1]) in {'draft', 'secret', '_notpublic'}: | |
379 | return w, _build('_phaseandancestors(_, _)', m[1], m[2]) |
|
379 | return w, _build('_phaseandancestors(_, _)', m[1], m[2]) | |
380 |
|
380 | |||
381 | # (::x and not ::y)/(not ::y and ::x) have a fast path |
|
381 | # (::x and not ::y)/(not ::y and ::x) have a fast path | |
382 | m = _matchonly(ta, tb) or _matchonly(tb, ta) |
|
382 | m = _matchonly(ta, tb) or _matchonly(tb, ta) | |
383 | if m: |
|
383 | if m: | |
384 | return w, _build('only(_, _)', *m[1:]) |
|
384 | return w, _build('only(_, _)', *m[1:]) | |
385 |
|
385 | |||
386 | m = _match('not _', tb) |
|
386 | m = _match('not _', tb) | |
387 | if m: |
|
387 | if m: | |
388 | return wa, ('difference', ta, m[1]) |
|
388 | return wa, ('difference', ta, m[1]) | |
389 | if wa > wb: |
|
389 | if wa > wb: | |
390 | op = 'andsmally' |
|
390 | op = 'andsmally' | |
391 | return w, (op, ta, tb) |
|
391 | return w, (op, ta, tb) | |
392 | elif op == 'or': |
|
392 | elif op == 'or': | |
393 | # fast path for machine-generated expression, that is likely to have |
|
393 | # fast path for machine-generated expression, that is likely to have | |
394 | # lots of trivial revisions: 'a + b + c()' to '_list(a b) + c()' |
|
394 | # lots of trivial revisions: 'a + b + c()' to '_list(a b) + c()' | |
395 | ws, ts, ss = [], [], [] |
|
395 | ws, ts, ss = [], [], [] | |
396 | def flushss(): |
|
396 | def flushss(): | |
397 | if not ss: |
|
397 | if not ss: | |
398 | return |
|
398 | return | |
399 | if len(ss) == 1: |
|
399 | if len(ss) == 1: | |
400 | w, t = ss[0] |
|
400 | w, t = ss[0] | |
401 | else: |
|
401 | else: | |
402 | s = '\0'.join(t[1] for w, t in ss) |
|
402 | s = '\0'.join(t[1] for w, t in ss) | |
403 | y = _build('_list(_)', ('string', s)) |
|
403 | y = _build('_list(_)', ('string', s)) | |
404 | w, t = _optimize(y) |
|
404 | w, t = _optimize(y) | |
405 | ws.append(w) |
|
405 | ws.append(w) | |
406 | ts.append(t) |
|
406 | ts.append(t) | |
407 | del ss[:] |
|
407 | del ss[:] | |
408 | for y in getlist(x[1]): |
|
408 | for y in getlist(x[1]): | |
409 | w, t = _optimize(y) |
|
409 | w, t = _optimize(y) | |
410 | if t is not None and (t[0] == 'string' or t[0] == 'symbol'): |
|
410 | if t is not None and (t[0] == 'string' or t[0] == 'symbol'): | |
411 | ss.append((w, t)) |
|
411 | ss.append((w, t)) | |
412 | continue |
|
412 | continue | |
413 | flushss() |
|
413 | flushss() | |
414 | ws.append(w) |
|
414 | ws.append(w) | |
415 | ts.append(t) |
|
415 | ts.append(t) | |
416 | flushss() |
|
416 | flushss() | |
417 | if len(ts) == 1: |
|
417 | if len(ts) == 1: | |
418 | return ws[0], ts[0] # 'or' operation is fully optimized out |
|
418 | return ws[0], ts[0] # 'or' operation is fully optimized out | |
419 | return max(ws), (op, ('list',) + tuple(ts)) |
|
419 | return max(ws), (op, ('list',) + tuple(ts)) | |
420 | elif op == 'not': |
|
420 | elif op == 'not': | |
421 | # Optimize not public() to _notpublic() because we have a fast version |
|
421 | # Optimize not public() to _notpublic() because we have a fast version | |
422 | if _match('public()', x[1]): |
|
422 | if _match('public()', x[1]): | |
423 | o = _optimize(_build('_notpublic()')) |
|
423 | o = _optimize(_build('_notpublic()')) | |
424 | return o[0], o[1] |
|
424 | return o[0], o[1] | |
425 | else: |
|
425 | else: | |
426 | o = _optimize(x[1]) |
|
426 | o = _optimize(x[1]) | |
427 | return o[0], (op, o[1]) |
|
427 | return o[0], (op, o[1]) | |
428 | elif op == 'rangeall': |
|
428 | elif op == 'rangeall': | |
429 | return 1, x |
|
429 | return 1, x | |
430 | elif op in ('rangepre', 'rangepost', 'parentpost'): |
|
430 | elif op in ('rangepre', 'rangepost', 'parentpost'): | |
431 | o = _optimize(x[1]) |
|
431 | o = _optimize(x[1]) | |
432 | return o[0], (op, o[1]) |
|
432 | return o[0], (op, o[1]) | |
433 | elif op in ('dagrange', 'range'): |
|
433 | elif op in ('dagrange', 'range'): | |
434 | wa, ta = _optimize(x[1]) |
|
434 | wa, ta = _optimize(x[1]) | |
435 | wb, tb = _optimize(x[2]) |
|
435 | wb, tb = _optimize(x[2]) | |
436 | return wa + wb, (op, ta, tb) |
|
436 | return wa + wb, (op, ta, tb) | |
437 | elif op in ('parent', 'ancestor', 'relation', 'subscript'): |
|
437 | elif op in ('parent', 'ancestor', 'relation', 'subscript'): | |
438 | w, t = _optimize(x[1]) |
|
438 | w, t = _optimize(x[1]) | |
439 | return w, (op, t, x[2]) |
|
439 | return w, (op, t, x[2]) | |
440 | elif op == 'relsubscript': |
|
440 | elif op == 'relsubscript': | |
441 | w, t = _optimize(x[1]) |
|
441 | w, t = _optimize(x[1]) | |
442 | return w, (op, t, x[2], x[3]) |
|
442 | return w, (op, t, x[2], x[3]) | |
443 | elif op == 'list': |
|
443 | elif op == 'list': | |
444 | ws, ts = zip(*(_optimize(y) for y in x[1:])) |
|
444 | ws, ts = zip(*(_optimize(y) for y in x[1:])) | |
445 | return sum(ws), (op,) + ts |
|
445 | return sum(ws), (op,) + ts | |
446 | elif op == 'keyvalue': |
|
446 | elif op == 'keyvalue': | |
447 | w, t = _optimize(x[2]) |
|
447 | w, t = _optimize(x[2]) | |
448 | return w, (op, x[1], t) |
|
448 | return w, (op, x[1], t) | |
449 | elif op == 'func': |
|
449 | elif op == 'func': | |
450 | f = getsymbol(x[1]) |
|
450 | f = getsymbol(x[1]) | |
451 | wa, ta = _optimize(x[2]) |
|
451 | wa, ta = _optimize(x[2]) | |
452 | w = getattr(symbols.get(f), '_weight', 1) |
|
452 | w = getattr(symbols.get(f), '_weight', 1) | |
453 | return w + wa, (op, x[1], ta) |
|
453 | return w + wa, (op, x[1], ta) | |
454 | raise ValueError('invalid operator %r' % op) |
|
454 | raise ValueError('invalid operator %r' % op) | |
455 |
|
455 | |||
456 | def optimize(tree): |
|
456 | def optimize(tree): | |
457 | """Optimize evaluatable tree |
|
457 | """Optimize evaluatable tree | |
458 |
|
458 | |||
459 | All pseudo operations should be transformed beforehand. |
|
459 | All pseudo operations should be transformed beforehand. | |
460 | """ |
|
460 | """ | |
461 | _weight, newtree = _optimize(tree) |
|
461 | _weight, newtree = _optimize(tree) | |
462 | return newtree |
|
462 | return newtree | |
463 |
|
463 | |||
464 | # the set of valid characters for the initial letter of symbols in |
|
464 | # the set of valid characters for the initial letter of symbols in | |
465 | # alias declarations and definitions |
|
465 | # alias declarations and definitions | |
466 | _aliassyminitletters = _syminitletters | {'$'} |
|
466 | _aliassyminitletters = _syminitletters | {'$'} | |
467 |
|
467 | |||
468 | def _parsewith(spec, lookup=None, syminitletters=None): |
|
468 | def _parsewith(spec, lookup=None, syminitletters=None): | |
469 | """Generate a parse tree of given spec with given tokenizing options |
|
469 | """Generate a parse tree of given spec with given tokenizing options | |
470 |
|
470 | |||
471 | >>> _parsewith(b'foo($1)', syminitletters=_aliassyminitletters) |
|
471 | >>> _parsewith(b'foo($1)', syminitletters=_aliassyminitletters) | |
472 | ('func', ('symbol', 'foo'), ('symbol', '$1')) |
|
472 | ('func', ('symbol', 'foo'), ('symbol', '$1')) | |
473 | >>> _parsewith(b'$1') |
|
473 | >>> _parsewith(b'$1') | |
474 | Traceback (most recent call last): |
|
474 | Traceback (most recent call last): | |
475 | ... |
|
475 | ... | |
476 | ParseError: ("syntax error in revset '$1'", 0) |
|
476 | ParseError: ("syntax error in revset '$1'", 0) | |
477 | >>> _parsewith(b'foo bar') |
|
477 | >>> _parsewith(b'foo bar') | |
478 | Traceback (most recent call last): |
|
478 | Traceback (most recent call last): | |
479 | ... |
|
479 | ... | |
480 | ParseError: ('invalid token', 4) |
|
480 | ParseError: ('invalid token', 4) | |
481 | """ |
|
481 | """ | |
482 | p = parser.parser(elements) |
|
482 | p = parser.parser(elements) | |
483 | tree, pos = p.parse(tokenize(spec, lookup=lookup, |
|
483 | tree, pos = p.parse(tokenize(spec, lookup=lookup, | |
484 | syminitletters=syminitletters)) |
|
484 | syminitletters=syminitletters)) | |
485 | if pos != len(spec): |
|
485 | if pos != len(spec): | |
486 | raise error.ParseError(_('invalid token'), pos) |
|
486 | raise error.ParseError(_('invalid token'), pos) | |
487 | return _fixops(parser.simplifyinfixops(tree, ('list', 'or'))) |
|
487 | return _fixops(parser.simplifyinfixops(tree, ('list', 'or'))) | |
488 |
|
488 | |||
489 | class _aliasrules(parser.basealiasrules): |
|
489 | class _aliasrules(parser.basealiasrules): | |
490 | """Parsing and expansion rule set of revset aliases""" |
|
490 | """Parsing and expansion rule set of revset aliases""" | |
491 | _section = _('revset alias') |
|
491 | _section = _('revset alias') | |
492 |
|
492 | |||
493 | @staticmethod |
|
493 | @staticmethod | |
494 | def _parse(spec): |
|
494 | def _parse(spec): | |
495 | """Parse alias declaration/definition ``spec`` |
|
495 | """Parse alias declaration/definition ``spec`` | |
496 |
|
496 | |||
497 | This allows symbol names to use also ``$`` as an initial letter |
|
497 | This allows symbol names to use also ``$`` as an initial letter | |
498 | (for backward compatibility), and callers of this function should |
|
498 | (for backward compatibility), and callers of this function should | |
499 | examine whether ``$`` is used also for unexpected symbols or not. |
|
499 | examine whether ``$`` is used also for unexpected symbols or not. | |
500 | """ |
|
500 | """ | |
501 | return _parsewith(spec, syminitletters=_aliassyminitletters) |
|
501 | return _parsewith(spec, syminitletters=_aliassyminitletters) | |
502 |
|
502 | |||
503 | @staticmethod |
|
503 | @staticmethod | |
504 | def _trygetfunc(tree): |
|
504 | def _trygetfunc(tree): | |
505 | if tree[0] == 'func' and tree[1][0] == 'symbol': |
|
505 | if tree[0] == 'func' and tree[1][0] == 'symbol': | |
506 | return tree[1][1], getlist(tree[2]) |
|
506 | return tree[1][1], getlist(tree[2]) | |
507 |
|
507 | |||
508 | def expandaliases(tree, aliases, warn=None): |
|
508 | def expandaliases(tree, aliases, warn=None): | |
509 | """Expand aliases in a tree, aliases is a list of (name, value) tuples""" |
|
509 | """Expand aliases in a tree, aliases is a list of (name, value) tuples""" | |
510 | aliases = _aliasrules.buildmap(aliases) |
|
510 | aliases = _aliasrules.buildmap(aliases) | |
511 | tree = _aliasrules.expand(aliases, tree) |
|
511 | tree = _aliasrules.expand(aliases, tree) | |
512 | # warn about problematic (but not referred) aliases |
|
512 | # warn about problematic (but not referred) aliases | |
513 | if warn is not None: |
|
513 | if warn is not None: | |
514 | for name, alias in sorted(aliases.iteritems()): |
|
514 | for name, alias in sorted(aliases.iteritems()): | |
515 | if alias.error and not alias.warned: |
|
515 | if alias.error and not alias.warned: | |
516 | warn(_('warning: %s\n') % (alias.error)) |
|
516 | warn(_('warning: %s\n') % (alias.error)) | |
517 | alias.warned = True |
|
517 | alias.warned = True | |
518 | return tree |
|
518 | return tree | |
519 |
|
519 | |||
520 | def foldconcat(tree): |
|
520 | def foldconcat(tree): | |
521 | """Fold elements to be concatenated by `##` |
|
521 | """Fold elements to be concatenated by `##` | |
522 | """ |
|
522 | """ | |
523 | if not isinstance(tree, tuple) or tree[0] in ('string', 'symbol'): |
|
523 | if not isinstance(tree, tuple) or tree[0] in ('string', 'symbol'): | |
524 | return tree |
|
524 | return tree | |
525 | if tree[0] == '_concat': |
|
525 | if tree[0] == '_concat': | |
526 | pending = [tree] |
|
526 | pending = [tree] | |
527 | l = [] |
|
527 | l = [] | |
528 | while pending: |
|
528 | while pending: | |
529 | e = pending.pop() |
|
529 | e = pending.pop() | |
530 | if e[0] == '_concat': |
|
530 | if e[0] == '_concat': | |
531 | pending.extend(reversed(e[1:])) |
|
531 | pending.extend(reversed(e[1:])) | |
532 | elif e[0] in ('string', 'symbol'): |
|
532 | elif e[0] in ('string', 'symbol'): | |
533 | l.append(e[1]) |
|
533 | l.append(e[1]) | |
534 | else: |
|
534 | else: | |
535 | msg = _("\"##\" can't concatenate \"%s\" element") % (e[0]) |
|
535 | msg = _("\"##\" can't concatenate \"%s\" element") % (e[0]) | |
536 | raise error.ParseError(msg) |
|
536 | raise error.ParseError(msg) | |
537 | return ('string', ''.join(l)) |
|
537 | return ('string', ''.join(l)) | |
538 | else: |
|
538 | else: | |
539 | return tuple(foldconcat(t) for t in tree) |
|
539 | return tuple(foldconcat(t) for t in tree) | |
540 |
|
540 | |||
541 | def parse(spec, lookup=None): |
|
541 | def parse(spec, lookup=None): | |
542 | return _parsewith(spec, lookup=lookup) |
|
542 | return _parsewith(spec, lookup=lookup) | |
543 |
|
543 | |||
544 | def _quote(s): |
|
544 | def _quote(s): | |
545 | r"""Quote a value in order to make it safe for the revset engine. |
|
545 | r"""Quote a value in order to make it safe for the revset engine. | |
546 |
|
546 | |||
547 | >>> _quote(b'asdf') |
|
547 | >>> _quote(b'asdf') | |
548 | "'asdf'" |
|
548 | "'asdf'" | |
549 | >>> _quote(b"asdf'\"") |
|
549 | >>> _quote(b"asdf'\"") | |
550 | '\'asdf\\\'"\'' |
|
550 | '\'asdf\\\'"\'' | |
551 | >>> _quote(b'asdf\'') |
|
551 | >>> _quote(b'asdf\'') | |
552 | "'asdf\\''" |
|
552 | "'asdf\\''" | |
553 | >>> _quote(1) |
|
553 | >>> _quote(1) | |
554 | "'1'" |
|
554 | "'1'" | |
555 | """ |
|
555 | """ | |
556 | return "'%s'" % util.escapestr(pycompat.bytestr(s)) |
|
556 | return "'%s'" % util.escapestr(pycompat.bytestr(s)) | |
557 |
|
557 | |||
558 | def _formatargtype(c, arg): |
|
558 | def _formatargtype(c, arg): | |
559 | if c == 'd': |
|
559 | if c == 'd': | |
560 | return '%d' % int(arg) |
|
560 | return '%d' % int(arg) | |
561 | elif c == 's': |
|
561 | elif c == 's': | |
562 | return _quote(arg) |
|
562 | return _quote(arg) | |
563 | elif c == 'r': |
|
563 | elif c == 'r': | |
564 | parse(arg) # make sure syntax errors are confined |
|
564 | parse(arg) # make sure syntax errors are confined | |
565 | return '(%s)' % arg |
|
565 | return '(%s)' % arg | |
566 | elif c == 'n': |
|
566 | elif c == 'n': | |
567 | return _quote(node.hex(arg)) |
|
567 | return _quote(node.hex(arg)) | |
568 | elif c == 'b': |
|
568 | elif c == 'b': | |
569 | try: |
|
569 | try: | |
570 | return _quote(arg.branch()) |
|
570 | return _quote(arg.branch()) | |
571 | except AttributeError: |
|
571 | except AttributeError: | |
572 | raise TypeError |
|
572 | raise TypeError | |
573 | raise error.ParseError(_('unexpected revspec format character %s') % c) |
|
573 | raise error.ParseError(_('unexpected revspec format character %s') % c) | |
574 |
|
574 | |||
575 | def _formatlistexp(s, t): |
|
575 | def _formatlistexp(s, t): | |
576 | l = len(s) |
|
576 | l = len(s) | |
577 | if l == 0: |
|
577 | if l == 0: | |
578 | return "_list('')" |
|
578 | return "_list('')" | |
579 | elif l == 1: |
|
579 | elif l == 1: | |
580 | return _formatargtype(t, s[0]) |
|
580 | return _formatargtype(t, s[0]) | |
581 | elif t == 'd': |
|
581 | elif t == 'd': | |
582 | return "_intlist('%s')" % "\0".join('%d' % int(a) for a in s) |
|
582 | return "_intlist('%s')" % "\0".join('%d' % int(a) for a in s) | |
583 | elif t == 's': |
|
583 | elif t == 's': | |
584 | return "_list(%s)" % _quote("\0".join(s)) |
|
584 | return "_list(%s)" % _quote("\0".join(s)) | |
585 | elif t == 'n': |
|
585 | elif t == 'n': | |
586 | return "_hexlist('%s')" % "\0".join(node.hex(a) for a in s) |
|
586 | return "_hexlist('%s')" % "\0".join(node.hex(a) for a in s) | |
587 | elif t == 'b': |
|
587 | elif t == 'b': | |
588 | try: |
|
588 | try: | |
589 | return "_list('%s')" % "\0".join(a.branch() for a in s) |
|
589 | return "_list('%s')" % "\0".join(a.branch() for a in s) | |
590 | except AttributeError: |
|
590 | except AttributeError: | |
591 | raise TypeError |
|
591 | raise TypeError | |
592 |
|
592 | |||
593 | m = l // 2 |
|
593 | m = l // 2 | |
594 | return '(%s or %s)' % (_formatlistexp(s[:m], t), _formatlistexp(s[m:], t)) |
|
594 | return '(%s or %s)' % (_formatlistexp(s[:m], t), _formatlistexp(s[m:], t)) | |
595 |
|
595 | |||
596 | def _formatparamexp(args, t): |
|
596 | def _formatparamexp(args, t): | |
597 | return ', '.join(_formatargtype(t, a) for a in args) |
|
597 | return ', '.join(_formatargtype(t, a) for a in args) | |
598 |
|
598 | |||
599 | _formatlistfuncs = { |
|
599 | _formatlistfuncs = { | |
600 | 'l': _formatlistexp, |
|
600 | 'l': _formatlistexp, | |
601 | 'p': _formatparamexp, |
|
601 | 'p': _formatparamexp, | |
602 | } |
|
602 | } | |
603 |
|
603 | |||
604 | def formatspec(expr, *args): |
|
604 | def formatspec(expr, *args): | |
605 | ''' |
|
605 | ''' | |
606 | This is a convenience function for using revsets internally, and |
|
606 | This is a convenience function for using revsets internally, and | |
607 | escapes arguments appropriately. Aliases are intentionally ignored |
|
607 | escapes arguments appropriately. Aliases are intentionally ignored | |
608 | so that intended expression behavior isn't accidentally subverted. |
|
608 | so that intended expression behavior isn't accidentally subverted. | |
609 |
|
609 | |||
610 | Supported arguments: |
|
610 | Supported arguments: | |
611 |
|
611 | |||
612 | %r = revset expression, parenthesized |
|
612 | %r = revset expression, parenthesized | |
613 | %d = int(arg), no quoting |
|
613 | %d = int(arg), no quoting | |
614 | %s = string(arg), escaped and single-quoted |
|
614 | %s = string(arg), escaped and single-quoted | |
615 | %b = arg.branch(), escaped and single-quoted |
|
615 | %b = arg.branch(), escaped and single-quoted | |
616 | %n = hex(arg), single-quoted |
|
616 | %n = hex(arg), single-quoted | |
617 | %% = a literal '%' |
|
617 | %% = a literal '%' | |
618 |
|
618 | |||
619 | Prefixing the type with 'l' specifies a parenthesized list of that type, |
|
619 | Prefixing the type with 'l' specifies a parenthesized list of that type, | |
620 | and 'p' specifies a list of function parameters of that type. |
|
620 | and 'p' specifies a list of function parameters of that type. | |
621 |
|
621 | |||
622 | >>> formatspec(b'%r:: and %lr', b'10 or 11', (b"this()", b"that()")) |
|
622 | >>> formatspec(b'%r:: and %lr', b'10 or 11', (b"this()", b"that()")) | |
623 | '(10 or 11):: and ((this()) or (that()))' |
|
623 | '(10 or 11):: and ((this()) or (that()))' | |
624 | >>> formatspec(b'%d:: and not %d::', 10, 20) |
|
624 | >>> formatspec(b'%d:: and not %d::', 10, 20) | |
625 | '10:: and not 20::' |
|
625 | '10:: and not 20::' | |
626 | >>> formatspec(b'%ld or %ld', [], [1]) |
|
626 | >>> formatspec(b'%ld or %ld', [], [1]) | |
627 | "_list('') or 1" |
|
627 | "_list('') or 1" | |
628 | >>> formatspec(b'keyword(%s)', b'foo\\xe9') |
|
628 | >>> formatspec(b'keyword(%s)', b'foo\\xe9') | |
629 | "keyword('foo\\\\xe9')" |
|
629 | "keyword('foo\\\\xe9')" | |
630 | >>> b = lambda: b'default' |
|
630 | >>> b = lambda: b'default' | |
631 | >>> b.branch = b |
|
631 | >>> b.branch = b | |
632 | >>> formatspec(b'branch(%b)', b) |
|
632 | >>> formatspec(b'branch(%b)', b) | |
633 | "branch('default')" |
|
633 | "branch('default')" | |
634 | >>> formatspec(b'root(%ls)', [b'a', b'b', b'c', b'd']) |
|
634 | >>> formatspec(b'root(%ls)', [b'a', b'b', b'c', b'd']) | |
635 | "root(_list('a\\\\x00b\\\\x00c\\\\x00d'))" |
|
635 | "root(_list('a\\\\x00b\\\\x00c\\\\x00d'))" | |
636 | >>> formatspec(b'sort(%r, %ps)', b':', [b'desc', b'user']) |
|
636 | >>> formatspec(b'sort(%r, %ps)', b':', [b'desc', b'user']) | |
637 | "sort((:), 'desc', 'user')" |
|
637 | "sort((:), 'desc', 'user')" | |
638 | >>> formatspec('%ls', ['a', "'"]) |
|
638 | >>> formatspec(b'%ls', [b'a', b"'"]) | |
639 | "_list('a\\\\x00\\\\'')" |
|
639 | "_list('a\\\\x00\\\\'')" | |
640 | ''' |
|
640 | ''' | |
641 | expr = pycompat.bytestr(expr) |
|
641 | expr = pycompat.bytestr(expr) | |
642 | argiter = iter(args) |
|
642 | argiter = iter(args) | |
643 | ret = [] |
|
643 | ret = [] | |
644 | pos = 0 |
|
644 | pos = 0 | |
645 | while pos < len(expr): |
|
645 | while pos < len(expr): | |
646 | q = expr.find('%', pos) |
|
646 | q = expr.find('%', pos) | |
647 | if q < 0: |
|
647 | if q < 0: | |
648 | ret.append(expr[pos:]) |
|
648 | ret.append(expr[pos:]) | |
649 | break |
|
649 | break | |
650 | ret.append(expr[pos:q]) |
|
650 | ret.append(expr[pos:q]) | |
651 | pos = q + 1 |
|
651 | pos = q + 1 | |
652 | try: |
|
652 | try: | |
653 | d = expr[pos] |
|
653 | d = expr[pos] | |
654 | except IndexError: |
|
654 | except IndexError: | |
655 | raise error.ParseError(_('incomplete revspec format character')) |
|
655 | raise error.ParseError(_('incomplete revspec format character')) | |
656 | if d == '%': |
|
656 | if d == '%': | |
657 | ret.append(d) |
|
657 | ret.append(d) | |
658 | pos += 1 |
|
658 | pos += 1 | |
659 | continue |
|
659 | continue | |
660 |
|
660 | |||
661 | try: |
|
661 | try: | |
662 | arg = next(argiter) |
|
662 | arg = next(argiter) | |
663 | except StopIteration: |
|
663 | except StopIteration: | |
664 | raise error.ParseError(_('missing argument for revspec')) |
|
664 | raise error.ParseError(_('missing argument for revspec')) | |
665 | f = _formatlistfuncs.get(d) |
|
665 | f = _formatlistfuncs.get(d) | |
666 | if f: |
|
666 | if f: | |
667 | # a list of some type |
|
667 | # a list of some type | |
668 | pos += 1 |
|
668 | pos += 1 | |
669 | try: |
|
669 | try: | |
670 | d = expr[pos] |
|
670 | d = expr[pos] | |
671 | except IndexError: |
|
671 | except IndexError: | |
672 | raise error.ParseError(_('incomplete revspec format character')) |
|
672 | raise error.ParseError(_('incomplete revspec format character')) | |
673 | try: |
|
673 | try: | |
674 | ret.append(f(list(arg), d)) |
|
674 | ret.append(f(list(arg), d)) | |
675 | except (TypeError, ValueError): |
|
675 | except (TypeError, ValueError): | |
676 | raise error.ParseError(_('invalid argument for revspec')) |
|
676 | raise error.ParseError(_('invalid argument for revspec')) | |
677 | else: |
|
677 | else: | |
678 | try: |
|
678 | try: | |
679 | ret.append(_formatargtype(d, arg)) |
|
679 | ret.append(_formatargtype(d, arg)) | |
680 | except (TypeError, ValueError): |
|
680 | except (TypeError, ValueError): | |
681 | raise error.ParseError(_('invalid argument for revspec')) |
|
681 | raise error.ParseError(_('invalid argument for revspec')) | |
682 | pos += 1 |
|
682 | pos += 1 | |
683 |
|
683 | |||
684 | try: |
|
684 | try: | |
685 | next(argiter) |
|
685 | next(argiter) | |
686 | raise error.ParseError(_('too many revspec arguments specified')) |
|
686 | raise error.ParseError(_('too many revspec arguments specified')) | |
687 | except StopIteration: |
|
687 | except StopIteration: | |
688 | pass |
|
688 | pass | |
689 | return ''.join(ret) |
|
689 | return ''.join(ret) | |
690 |
|
690 | |||
691 | def prettyformat(tree): |
|
691 | def prettyformat(tree): | |
692 | return parser.prettyformat(tree, ('string', 'symbol')) |
|
692 | return parser.prettyformat(tree, ('string', 'symbol')) | |
693 |
|
693 | |||
694 | def depth(tree): |
|
694 | def depth(tree): | |
695 | if isinstance(tree, tuple): |
|
695 | if isinstance(tree, tuple): | |
696 | return max(map(depth, tree)) + 1 |
|
696 | return max(map(depth, tree)) + 1 | |
697 | else: |
|
697 | else: | |
698 | return 0 |
|
698 | return 0 | |
699 |
|
699 | |||
700 | def funcsused(tree): |
|
700 | def funcsused(tree): | |
701 | if not isinstance(tree, tuple) or tree[0] in ('string', 'symbol'): |
|
701 | if not isinstance(tree, tuple) or tree[0] in ('string', 'symbol'): | |
702 | return set() |
|
702 | return set() | |
703 | else: |
|
703 | else: | |
704 | funcs = set() |
|
704 | funcs = set() | |
705 | for s in tree[1:]: |
|
705 | for s in tree[1:]: | |
706 | funcs |= funcsused(s) |
|
706 | funcs |= funcsused(s) | |
707 | if tree[0] == 'func': |
|
707 | if tree[0] == 'func': | |
708 | funcs.add(tree[1][1]) |
|
708 | funcs.add(tree[1][1]) | |
709 | return funcs |
|
709 | return funcs | |
710 |
|
710 | |||
711 | _hashre = util.re.compile('[0-9a-fA-F]{1,40}$') |
|
711 | _hashre = util.re.compile('[0-9a-fA-F]{1,40}$') | |
712 |
|
712 | |||
713 | def _ishashlikesymbol(symbol): |
|
713 | def _ishashlikesymbol(symbol): | |
714 | """returns true if the symbol looks like a hash""" |
|
714 | """returns true if the symbol looks like a hash""" | |
715 | return _hashre.match(symbol) |
|
715 | return _hashre.match(symbol) | |
716 |
|
716 | |||
717 | def gethashlikesymbols(tree): |
|
717 | def gethashlikesymbols(tree): | |
718 | """returns the list of symbols of the tree that look like hashes |
|
718 | """returns the list of symbols of the tree that look like hashes | |
719 |
|
719 | |||
720 | >>> gethashlikesymbols(('dagrange', ('symbol', '3'), ('symbol', 'abe3ff'))) |
|
720 | >>> gethashlikesymbols(('dagrange', ('symbol', '3'), ('symbol', 'abe3ff'))) | |
721 | ['3', 'abe3ff'] |
|
721 | ['3', 'abe3ff'] | |
722 | >>> gethashlikesymbols(('func', ('symbol', 'precursors'), ('symbol', '.'))) |
|
722 | >>> gethashlikesymbols(('func', ('symbol', 'precursors'), ('symbol', '.'))) | |
723 | [] |
|
723 | [] | |
724 | >>> gethashlikesymbols(('func', ('symbol', 'precursors'), ('symbol', '34'))) |
|
724 | >>> gethashlikesymbols(('func', ('symbol', 'precursors'), ('symbol', '34'))) | |
725 | ['34'] |
|
725 | ['34'] | |
726 | >>> gethashlikesymbols(('symbol', 'abe3ffZ')) |
|
726 | >>> gethashlikesymbols(('symbol', 'abe3ffZ')) | |
727 | [] |
|
727 | [] | |
728 | """ |
|
728 | """ | |
729 | if not tree: |
|
729 | if not tree: | |
730 | return [] |
|
730 | return [] | |
731 |
|
731 | |||
732 | if tree[0] == "symbol": |
|
732 | if tree[0] == "symbol": | |
733 | if _ishashlikesymbol(tree[1]): |
|
733 | if _ishashlikesymbol(tree[1]): | |
734 | return [tree[1]] |
|
734 | return [tree[1]] | |
735 | elif len(tree) >= 3: |
|
735 | elif len(tree) >= 3: | |
736 | results = [] |
|
736 | results = [] | |
737 | for subtree in tree[1:]: |
|
737 | for subtree in tree[1:]: | |
738 | results += gethashlikesymbols(subtree) |
|
738 | results += gethashlikesymbols(subtree) | |
739 | return results |
|
739 | return results | |
740 | return [] |
|
740 | return [] |
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