Mercurial > hg
annotate mercurial/revsetlang.py @ 45658:6569b2371240
tests: back out accidentally queued changeset 0627cd03b1e9
I accidentally queued other people's patches on top of my own and
pushed mine along with theirs.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Thu, 08 Oct 2020 23:14:41 -0700 |
parents | d783f945a701 |
children | 0fc8b066928a |
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1 # revsetlang.py - parser, tokenizer and utility for revision set language |
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3 # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 # | |
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. | |
7 | |
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8 from __future__ import absolute_import |
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9 |
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10 import string |
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11 |
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12 from .i18n import _ |
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13 from .pycompat import getattr |
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14 from . import ( |
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15 error, |
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16 node, |
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17 parser, |
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18 pycompat, |
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19 smartset, |
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20 util, |
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21 ) |
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22 from .utils import stringutil |
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24 elements = { | |
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25 # token-type: binding-strength, primary, prefix, infix, suffix |
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26 b"(": (21, None, (b"group", 1, b")"), (b"func", 1, b")"), None), |
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27 b"[": (21, None, None, (b"subscript", 1, b"]"), None), |
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28 b"#": (21, None, None, (b"relation", 21), None), |
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29 b"##": (20, None, None, (b"_concat", 20), None), |
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30 b"~": (18, None, None, (b"ancestor", 18), None), |
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31 b"^": (18, None, None, (b"parent", 18), b"parentpost"), |
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32 b"-": (5, None, (b"negate", 19), (b"minus", 5), None), |
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33 b"::": ( |
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34 17, |
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35 b"dagrangeall", |
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36 (b"dagrangepre", 17), |
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37 (b"dagrange", 17), |
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38 b"dagrangepost", |
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39 ), |
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40 b"..": ( |
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41 17, |
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42 b"dagrangeall", |
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43 (b"dagrangepre", 17), |
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44 (b"dagrange", 17), |
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45 b"dagrangepost", |
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46 ), |
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47 b":": (15, b"rangeall", (b"rangepre", 15), (b"range", 15), b"rangepost"), |
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48 b"not": (10, None, (b"not", 10), None, None), |
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49 b"!": (10, None, (b"not", 10), None, None), |
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50 b"and": (5, None, None, (b"and", 5), None), |
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51 b"&": (5, None, None, (b"and", 5), None), |
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52 b"%": (5, None, None, (b"only", 5), b"onlypost"), |
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53 b"or": (4, None, None, (b"or", 4), None), |
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54 b"|": (4, None, None, (b"or", 4), None), |
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55 b"+": (4, None, None, (b"or", 4), None), |
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56 b"=": (3, None, None, (b"keyvalue", 3), None), |
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57 b",": (2, None, None, (b"list", 2), None), |
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58 b")": (0, None, None, None, None), |
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59 b"]": (0, None, None, None, None), |
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60 b"symbol": (0, b"symbol", None, None, None), |
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61 b"string": (0, b"string", None, None, None), |
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62 b"end": (0, None, None, None, None), |
11275 | 63 } |
64 | |
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65 keywords = {b'and', b'or', b'not'} |
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67 symbols = {} |
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68 |
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69 _quoteletters = {b'"', b"'"} |
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70 _simpleopletters = set(pycompat.iterbytestr(b"()[]#:=,-|&+!~^%")) |
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71 |
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72 # default set of valid characters for the initial letter of symbols |
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73 _syminitletters = set( |
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74 pycompat.iterbytestr( |
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75 pycompat.sysbytes(string.ascii_letters) |
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76 + pycompat.sysbytes(string.digits) |
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77 + b'._@' |
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78 ) |
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79 ) | set(map(pycompat.bytechr, pycompat.xrange(128, 256))) |
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80 |
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81 # default set of valid characters for non-initial letters of symbols |
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82 _symletters = _syminitletters | set(pycompat.iterbytestr(b'-/')) |
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83 |
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84 |
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85 def tokenize(program, lookup=None, syminitletters=None, symletters=None): |
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86 ''' |
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87 Parse a revset statement into a stream of tokens |
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88 |
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89 ``syminitletters`` is the set of valid characters for the initial |
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90 letter of symbols. |
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91 |
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92 By default, character ``c`` is recognized as valid for initial |
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93 letter of symbols, if ``c.isalnum() or c in '._@' or ord(c) > 127``. |
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94 |
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95 ``symletters`` is the set of valid characters for non-initial |
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96 letters of symbols. |
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97 |
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98 By default, character ``c`` is recognized as valid for non-initial |
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99 letters of symbols, if ``c.isalnum() or c in '-._/@' or ord(c) > 127``. |
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100 |
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101 Check that @ is a valid unquoted token character (issue3686): |
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102 >>> list(tokenize(b"@::")) |
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103 [('symbol', '@', 0), ('::', None, 1), ('end', None, 3)] |
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104 |
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105 ''' |
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106 if not isinstance(program, bytes): |
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107 raise error.ProgrammingError( |
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108 b'revset statement must be bytes, got %r' % program |
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109 ) |
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110 program = pycompat.bytestr(program) |
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111 if syminitletters is None: |
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112 syminitletters = _syminitletters |
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113 if symletters is None: |
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114 symletters = _symletters |
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115 |
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116 if program and lookup: |
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117 # attempt to parse old-style ranges first to deal with |
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118 # things like old-tag which contain query metacharacters |
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119 parts = program.split(b':', 1) |
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120 if all(lookup(sym) for sym in parts if sym): |
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121 if parts[0]: |
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122 yield (b'symbol', parts[0], 0) |
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123 if len(parts) > 1: |
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124 s = len(parts[0]) |
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125 yield (b':', None, s) |
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126 if parts[1]: |
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127 yield (b'symbol', parts[1], s + 1) |
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128 yield (b'end', None, len(program)) |
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129 return |
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130 |
11275 | 131 pos, l = 0, len(program) |
132 while pos < l: | |
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133 c = program[pos] |
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134 if c.isspace(): # skip inter-token whitespace |
11275 | 135 pass |
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136 elif ( |
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137 c == b':' and program[pos : pos + 2] == b'::' |
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138 ): # look ahead carefully |
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139 yield (b'::', None, pos) |
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140 pos += 1 # skip ahead |
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141 elif ( |
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142 c == b'.' and program[pos : pos + 2] == b'..' |
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143 ): # look ahead carefully |
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144 yield (b'..', None, pos) |
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145 pos += 1 # skip ahead |
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146 elif ( |
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147 c == b'#' and program[pos : pos + 2] == b'##' |
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148 ): # look ahead carefully |
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149 yield (b'##', None, pos) |
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150 pos += 1 # skip ahead |
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151 elif c in _simpleopletters: # handle simple operators |
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152 yield (c, None, pos) |
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153 elif ( |
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154 c in _quoteletters |
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155 or c == b'r' |
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156 and program[pos : pos + 2] in (b"r'", b'r"') |
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157 ): # handle quoted strings |
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158 if c == b'r': |
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159 pos += 1 |
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160 c = program[pos] |
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161 decode = lambda x: x |
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162 else: |
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163 decode = parser.unescapestr |
11275 | 164 pos += 1 |
165 s = pos | |
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166 while pos < l: # find closing quote |
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167 d = program[pos] |
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168 if d == b'\\': # skip over escaped characters |
11275 | 169 pos += 2 |
170 continue | |
171 if d == c: | |
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172 yield (b'string', decode(program[s:pos]), s) |
11275 | 173 break |
174 pos += 1 | |
175 else: | |
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176 raise error.ParseError(_(b"unterminated string"), s) |
16683 | 177 # gather up a symbol/keyword |
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178 elif c in syminitletters: |
11275 | 179 s = pos |
180 pos += 1 | |
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181 while pos < l: # find end of symbol |
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182 d = program[pos] |
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183 if d not in symletters: |
11275 | 184 break |
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185 if ( |
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186 d == b'.' and program[pos - 1] == b'.' |
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187 ): # special case for .. |
11275 | 188 pos -= 1 |
189 break | |
190 pos += 1 | |
191 sym = program[s:pos] | |
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192 if sym in keywords: # operator keywords |
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193 yield (sym, None, s) |
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194 elif b'-' in sym: |
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195 # some jerk gave us foo-bar-baz, try to check if it's a symbol |
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196 if lookup and lookup(sym): |
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197 # looks like a real symbol |
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198 yield (b'symbol', sym, s) |
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199 else: |
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200 # looks like an expression |
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201 parts = sym.split(b'-') |
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202 for p in parts[:-1]: |
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203 if p: # possible consecutive - |
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204 yield (b'symbol', p, s) |
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205 s += len(p) |
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206 yield (b'-', None, s) |
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207 s += 1 |
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208 if parts[-1]: # possible trailing - |
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209 yield (b'symbol', parts[-1], s) |
11275 | 210 else: |
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211 yield (b'symbol', sym, s) |
11275 | 212 pos -= 1 |
213 else: | |
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214 raise error.ParseError( |
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215 _(b"syntax error in revset '%s'") % program, pos |
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216 ) |
11275 | 217 pos += 1 |
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218 yield (b'end', None, pos) |
11275 | 219 |
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220 |
11275 | 221 # helpers |
222 | |
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223 _notset = object() |
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224 |
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225 |
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226 def getsymbol(x): |
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227 if x and x[0] == b'symbol': |
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228 return x[1] |
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229 raise error.ParseError(_(b'not a symbol')) |
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230 |
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231 |
11275 | 232 def getstring(x, err): |
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233 if x and (x[0] == b'string' or x[0] == b'symbol'): |
11275 | 234 return x[1] |
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235 raise error.ParseError(err) |
11275 | 236 |
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237 |
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238 def getinteger(x, err, default=_notset): |
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239 if not x and default is not _notset: |
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240 return default |
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241 try: |
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242 return int(getstring(x, err)) |
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243 except ValueError: |
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244 raise error.ParseError(err) |
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245 |
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246 |
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247 def getboolean(x, err): |
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248 value = stringutil.parsebool(getsymbol(x)) |
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249 if value is not None: |
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250 return value |
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251 raise error.ParseError(err) |
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252 |
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253 |
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255 if not x: | |
256 return [] | |
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257 if x[0] == b'list': |
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258 return list(x[1:]) |
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260 | |
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261 |
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262 def getrange(x, err): |
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263 if not x: |
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264 raise error.ParseError(err) |
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265 op = x[0] |
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266 if op == b'range': |
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267 return x[1], x[2] |
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268 elif op == b'rangepre': |
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269 return None, x[1] |
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270 elif op == b'rangepost': |
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271 return x[1], None |
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272 elif op == b'rangeall': |
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273 return None, None |
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274 raise error.ParseError(err) |
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275 |
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276 |
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277 def getintrange(x, err1, err2, deffirst=_notset, deflast=_notset): |
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278 """Get [first, last] integer range (both inclusive) from a parsed tree |
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279 |
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280 If any of the sides omitted, and if no default provided, ParseError will |
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281 be raised. |
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282 """ |
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283 if x and (x[0] == b'string' or x[0] == b'symbol'): |
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284 n = getinteger(x, err1) |
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285 return n, n |
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286 a, b = getrange(x, err1) |
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287 return getinteger(a, err2, deffirst), getinteger(b, err2, deflast) |
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288 |
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289 |
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290 def getargs(x, min, max, err): |
11275 | 291 l = getlist(x) |
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292 if len(l) < min or (max >= 0 and len(l) > max): |
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293 raise error.ParseError(err) |
11275 | 294 return l |
295 | |
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296 |
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297 def getargsdict(x, funcname, keys): |
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298 return parser.buildargsdict( |
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299 getlist(x), |
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300 funcname, |
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301 parser.splitargspec(keys), |
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302 keyvaluenode=b'keyvalue', |
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303 keynode=b'symbol', |
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304 ) |
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305 |
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306 |
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307 # cache of {spec: raw parsed tree} built internally |
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308 _treecache = {} |
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309 |
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310 |
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311 def _cachedtree(spec): |
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312 # thread safe because parse() is reentrant and dict.__setitem__() is atomic |
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313 tree = _treecache.get(spec) |
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314 if tree is None: |
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315 _treecache[spec] = tree = parse(spec) |
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316 return tree |
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317 |
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318 |
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319 def _build(tmplspec, *repls): |
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320 """Create raw parsed tree from a template revset statement |
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321 |
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322 >>> _build(b'f(_) and _', (b'string', b'1'), (b'symbol', b'2')) |
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323 ('and', ('func', ('symbol', 'f'), ('string', '1')), ('symbol', '2')) |
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324 """ |
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325 template = _cachedtree(tmplspec) |
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326 return parser.buildtree(template, (b'symbol', b'_'), *repls) |
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327 |
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328 |
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329 def _match(patspec, tree): |
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330 """Test if a tree matches the given pattern statement; return the matches |
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331 |
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332 >>> _match(b'f(_)', parse(b'f()')) |
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333 >>> _match(b'f(_)', parse(b'f(1)')) |
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334 [('func', ('symbol', 'f'), ('symbol', '1')), ('symbol', '1')] |
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335 >>> _match(b'f(_)', parse(b'f(1, 2)')) |
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336 """ |
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337 pattern = _cachedtree(patspec) |
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338 return parser.matchtree( |
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339 pattern, tree, (b'symbol', b'_'), {b'keyvalue', b'list'} |
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340 ) |
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341 |
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342 |
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343 def _matchonly(revs, bases): |
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344 return _match(b'ancestors(_) and not ancestors(_)', (b'and', revs, bases)) |
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345 |
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346 |
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347 def _fixops(x): |
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348 """Rewrite raw parsed tree to resolve ambiguous syntax which cannot be |
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349 handled well by our simple top-down parser""" |
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350 if not isinstance(x, tuple): |
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351 return x |
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352 |
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353 op = x[0] |
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354 if op == b'parent': |
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355 # x^:y means (x^) : y, not x ^ (:y) |
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356 # x^: means (x^) :, not x ^ (:) |
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357 post = (b'parentpost', x[1]) |
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358 if x[2][0] == b'dagrangepre': |
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359 return _fixops((b'dagrange', post, x[2][1])) |
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360 elif x[2][0] == b'dagrangeall': |
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361 return _fixops((b'dagrangepost', post)) |
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362 elif x[2][0] == b'rangepre': |
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363 return _fixops((b'range', post, x[2][1])) |
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364 elif x[2][0] == b'rangeall': |
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365 return _fixops((b'rangepost', post)) |
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366 elif op == b'or': |
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367 # make number of arguments deterministic: |
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368 # x + y + z -> (or x y z) -> (or (list x y z)) |
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369 return (op, _fixops((b'list',) + x[1:])) |
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370 elif op == b'subscript' and x[1][0] == b'relation': |
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371 # x#y[z] ternary |
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372 return _fixops((b'relsubscript', x[1][1], x[1][2], x[2])) |
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373 |
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374 return (op,) + tuple(_fixops(y) for y in x[1:]) |
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375 |
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376 |
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377 def _analyze(x): |
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378 if x is None: |
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379 return x |
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380 |
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381 op = x[0] |
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382 if op == b'minus': |
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383 return _analyze(_build(b'_ and not _', *x[1:])) |
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384 elif op == b'only': |
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385 return _analyze(_build(b'only(_, _)', *x[1:])) |
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386 elif op == b'onlypost': |
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387 return _analyze(_build(b'only(_)', x[1])) |
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388 elif op == b'dagrangeall': |
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389 raise error.ParseError(_(b"can't use '::' in this context")) |
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390 elif op == b'dagrangepre': |
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391 return _analyze(_build(b'ancestors(_)', x[1])) |
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392 elif op == b'dagrangepost': |
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393 return _analyze(_build(b'descendants(_)', x[1])) |
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394 elif op == b'negate': |
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395 s = getstring(x[1], _(b"can't negate that")) |
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396 return _analyze((b'string', b'-' + s)) |
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397 elif op in (b'string', b'symbol', b'smartset'): |
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398 return x |
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399 elif op == b'rangeall': |
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400 return (op, None) |
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401 elif op in {b'or', b'not', b'rangepre', b'rangepost', b'parentpost'}: |
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402 return (op, _analyze(x[1])) |
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403 elif op == b'group': |
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404 return _analyze(x[1]) |
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405 elif op in { |
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406 b'and', |
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407 b'dagrange', |
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408 b'range', |
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409 b'parent', |
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410 b'ancestor', |
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411 b'relation', |
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412 b'subscript', |
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413 }: |
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414 ta = _analyze(x[1]) |
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415 tb = _analyze(x[2]) |
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416 return (op, ta, tb) |
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417 elif op == b'relsubscript': |
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418 ta = _analyze(x[1]) |
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419 tb = _analyze(x[2]) |
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420 tc = _analyze(x[3]) |
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421 return (op, ta, tb, tc) |
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422 elif op == b'list': |
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423 return (op,) + tuple(_analyze(y) for y in x[1:]) |
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424 elif op == b'keyvalue': |
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425 return (op, x[1], _analyze(x[2])) |
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426 elif op == b'func': |
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427 return (op, x[1], _analyze(x[2])) |
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428 raise ValueError(b'invalid operator %r' % op) |
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429 |
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430 |
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431 def analyze(x): |
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432 """Transform raw parsed tree to evaluatable tree which can be fed to |
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433 optimize() or getset() |
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434 |
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435 All pseudo operations should be mapped to real operations or functions |
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436 defined in methods or symbols table respectively. |
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437 """ |
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438 return _analyze(x) |
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439 |
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440 |
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441 def _optimize(x): |
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442 if x is None: |
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443 return 0, x |
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444 |
11275 | 445 op = x[0] |
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446 if op in (b'string', b'symbol', b'smartset'): |
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447 return 0.5, x # single revisions are small |
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448 elif op == b'and': |
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449 wa, ta = _optimize(x[1]) |
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450 wb, tb = _optimize(x[2]) |
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451 w = min(wa, wb) |
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452 |
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453 # (draft/secret/_notpublic() & ::x) have a fast path |
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454 m = _match(b'_() & ancestors(_)', (b'and', ta, tb)) |
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455 if m and getsymbol(m[1]) in {b'draft', b'secret', b'_notpublic'}: |
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456 return w, _build(b'_phaseandancestors(_, _)', m[1], m[2]) |
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457 |
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458 # (::x and not ::y)/(not ::y and ::x) have a fast path |
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459 m = _matchonly(ta, tb) or _matchonly(tb, ta) |
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460 if m: |
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461 return w, _build(b'only(_, _)', *m[1:]) |
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462 |
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463 m = _match(b'not _', tb) |
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464 if m: |
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465 return wa, (b'difference', ta, m[1]) |
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466 if wa > wb: |
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467 op = b'andsmally' |
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468 return w, (op, ta, tb) |
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469 elif op == b'or': |
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470 # fast path for machine-generated expression, that is likely to have |
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471 # lots of trivial revisions: 'a + b + c()' to '_list(a b) + c()' |
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472 ws, ts, ss = [], [], [] |
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473 |
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474 def flushss(): |
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475 if not ss: |
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476 return |
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477 if len(ss) == 1: |
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478 w, t = ss[0] |
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479 else: |
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480 s = b'\0'.join(t[1] for w, t in ss) |
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481 y = _build(b'_list(_)', (b'string', s)) |
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482 w, t = _optimize(y) |
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483 ws.append(w) |
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484 ts.append(t) |
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485 del ss[:] |
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486 |
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487 for y in getlist(x[1]): |
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488 w, t = _optimize(y) |
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489 if t is not None and (t[0] == b'string' or t[0] == b'symbol'): |
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490 ss.append((w, t)) |
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491 continue |
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492 flushss() |
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493 ws.append(w) |
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494 ts.append(t) |
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495 flushss() |
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496 if len(ts) == 1: |
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497 return ws[0], ts[0] # 'or' operation is fully optimized out |
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498 return max(ws), (op, (b'list',) + tuple(ts)) |
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499 elif op == b'not': |
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500 # Optimize not public() to _notpublic() because we have a fast version |
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501 if _match(b'public()', x[1]): |
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502 o = _optimize(_build(b'_notpublic()')) |
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503 return o[0], o[1] |
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504 else: |
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505 o = _optimize(x[1]) |
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506 return o[0], (op, o[1]) |
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507 elif op == b'rangeall': |
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508 return 1, x |
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509 elif op in (b'rangepre', b'rangepost', b'parentpost'): |
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510 o = _optimize(x[1]) |
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511 return o[0], (op, o[1]) |
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512 elif op in (b'dagrange', b'range'): |
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513 wa, ta = _optimize(x[1]) |
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514 wb, tb = _optimize(x[2]) |
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515 return wa + wb, (op, ta, tb) |
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516 elif op in (b'parent', b'ancestor', b'relation', b'subscript'): |
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517 w, t = _optimize(x[1]) |
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518 return w, (op, t, x[2]) |
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519 elif op == b'relsubscript': |
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520 w, t = _optimize(x[1]) |
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521 return w, (op, t, x[2], x[3]) |
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522 elif op == b'list': |
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523 ws, ts = zip(*(_optimize(y) for y in x[1:])) |
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524 return sum(ws), (op,) + ts |
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525 elif op == b'keyvalue': |
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526 w, t = _optimize(x[2]) |
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527 return w, (op, x[1], t) |
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528 elif op == b'func': |
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529 f = getsymbol(x[1]) |
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530 wa, ta = _optimize(x[2]) |
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531 w = getattr(symbols.get(f), '_weight', 1) |
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532 m = _match(b'commonancestors(_)', ta) |
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533 |
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534 # Optimize heads(commonancestors(_)) because we have a fast version |
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535 if f == b'heads' and m: |
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536 return w + wa, _build(b'_commonancestorheads(_)', m[1]) |
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537 |
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538 return w + wa, (op, x[1], ta) |
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539 raise ValueError(b'invalid operator %r' % op) |
11275 | 540 |
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541 |
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|
542 def optimize(tree): |
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543 """Optimize evaluatable tree |
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544 |
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545 All pseudo operations should be transformed beforehand. |
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546 """ |
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547 _weight, newtree = _optimize(tree) |
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548 return newtree |
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549 |
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550 |
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551 # the set of valid characters for the initial letter of symbols in |
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552 # alias declarations and definitions |
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553 _aliassyminitletters = _syminitletters | {b'$'} |
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554 |
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555 |
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556 def _parsewith(spec, lookup=None, syminitletters=None): |
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|
557 """Generate a parse tree of given spec with given tokenizing options |
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558 |
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559 >>> _parsewith(b'foo($1)', syminitletters=_aliassyminitletters) |
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560 ('func', ('symbol', 'foo'), ('symbol', '$1')) |
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561 >>> _parsewith(b'$1') |
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562 Traceback (most recent call last): |
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563 ... |
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564 ParseError: ("syntax error in revset '$1'", 0) |
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565 >>> _parsewith(b'foo bar') |
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566 Traceback (most recent call last): |
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567 ... |
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568 ParseError: ('invalid token', 4) |
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|
569 """ |
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|
570 if lookup and spec.startswith(b'revset(') and spec.endswith(b')'): |
37760
29eb4cafeeb8
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Boris Feld <boris.feld@octobus.net>
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diff
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|
571 lookup = None |
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572 p = parser.parser(elements) |
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573 tree, pos = p.parse( |
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574 tokenize(spec, lookup=lookup, syminitletters=syminitletters) |
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575 ) |
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576 if pos != len(spec): |
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577 raise error.ParseError(_(b'invalid token'), pos) |
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578 return _fixops(parser.simplifyinfixops(tree, (b'list', b'or'))) |
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579 |
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580 |
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|
581 class _aliasrules(parser.basealiasrules): |
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582 """Parsing and expansion rule set of revset aliases""" |
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583 |
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584 _section = _(b'revset alias') |
29074
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585 |
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|
586 @staticmethod |
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|
587 def _parse(spec): |
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588 """Parse alias declaration/definition ``spec`` |
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589 |
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|
590 This allows symbol names to use also ``$`` as an initial letter |
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|
591 (for backward compatibility), and callers of this function should |
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592 examine whether ``$`` is used also for unexpected symbols or not. |
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|
593 """ |
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|
594 return _parsewith(spec, syminitletters=_aliassyminitletters) |
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|
595 |
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596 @staticmethod |
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597 def _trygetfunc(tree): |
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598 if tree[0] == b'func' and tree[1][0] == b'symbol': |
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599 return tree[1][1], getlist(tree[2]) |
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600 |
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601 |
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602 def expandaliases(tree, aliases, warn=None): |
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603 """Expand aliases in a tree, aliases is a list of (name, value) tuples""" |
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604 aliases = _aliasrules.buildmap(aliases) |
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605 tree = _aliasrules.expand(aliases, tree) |
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606 # warn about problematic (but not referred) aliases |
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607 if warn is not None: |
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608 for name, alias in sorted(pycompat.iteritems(aliases)): |
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609 if alias.error and not alias.warned: |
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610 warn(_(b'warning: %s\n') % (alias.error)) |
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611 alias.warned = True |
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612 return tree |
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613 |
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614 |
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615 def foldconcat(tree): |
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616 """Fold elements to be concatenated by `##` |
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617 """ |
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618 if not isinstance(tree, tuple) or tree[0] in ( |
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619 b'string', |
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620 b'symbol', |
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621 b'smartset', |
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622 ): |
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623 return tree |
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624 if tree[0] == b'_concat': |
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625 pending = [tree] |
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626 l = [] |
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627 while pending: |
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628 e = pending.pop() |
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629 if e[0] == b'_concat': |
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630 pending.extend(reversed(e[1:])) |
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631 elif e[0] in (b'string', b'symbol'): |
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632 l.append(e[1]) |
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633 else: |
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634 msg = _(b"\"##\" can't concatenate \"%s\" element") % (e[0]) |
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635 raise error.ParseError(msg) |
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636 return (b'string', b''.join(l)) |
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637 else: |
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638 return tuple(foldconcat(t) for t in tree) |
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639 |
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640 |
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641 def parse(spec, lookup=None): |
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642 try: |
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643 return _parsewith(spec, lookup=lookup) |
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644 except error.ParseError as inst: |
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diff
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645 if len(inst.args) > 1: # has location |
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Yuya Nishihara <yuya@tcha.org>
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646 loc = inst.args[1] |
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647 # Remove newlines -- spaces are equivalent whitespace. |
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648 spec = spec.replace(b'\n', b' ') |
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649 # We want the caret to point to the place in the template that |
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650 # failed to parse, but in a hint we get a open paren at the |
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651 # start. Therefore, we print "loc + 1" spaces (instead of "loc") |
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652 # to line up the caret with the location of the error. |
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653 inst.hint = spec + b'\n' + b' ' * (loc + 1) + b'^ ' + _(b'here') |
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654 raise |
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655 |
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656 |
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657 def _quote(s): |
31605
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Augie Fackler <augie@google.com>
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658 r"""Quote a value in order to make it safe for the revset engine. |
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659 |
34131
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660 >>> _quote(b'asdf') |
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Augie Fackler <augie@google.com>
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661 "'asdf'" |
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662 >>> _quote(b"asdf'\"") |
31605
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663 '\'asdf\\\'"\'' |
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664 >>> _quote(b'asdf\'') |
31606
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665 "'asdf\\''" |
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666 >>> _quote(1) |
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667 "'1'" |
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|
668 """ |
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669 return b"'%s'" % stringutil.escapestr(pycompat.bytestr(s)) |
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670 |
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671 |
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672 def _formatargtype(c, arg): |
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673 if c == b'd': |
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674 return b'_rev(%d)' % int(arg) |
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675 elif c == b's': |
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676 return _quote(arg) |
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677 elif c == b'r': |
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678 if not isinstance(arg, bytes): |
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679 raise TypeError |
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680 parse(arg) # make sure syntax errors are confined |
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681 return b'(%s)' % arg |
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682 elif c == b'n': |
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683 return _quote(node.hex(arg)) |
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684 elif c == b'b': |
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685 try: |
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686 return _quote(arg.branch()) |
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687 except AttributeError: |
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688 raise TypeError |
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689 raise error.ParseError(_(b'unexpected revspec format character %s') % c) |
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690 |
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691 |
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692 def _formatlistexp(s, t): |
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693 l = len(s) |
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694 if l == 0: |
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695 return b"_list('')" |
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696 elif l == 1: |
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697 return _formatargtype(t, s[0]) |
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698 elif t == b'd': |
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699 return _formatintlist(s) |
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700 elif t == b's': |
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701 return b"_list(%s)" % _quote(b"\0".join(s)) |
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702 elif t == b'n': |
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703 return b"_hexlist('%s')" % b"\0".join(node.hex(a) for a in s) |
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704 elif t == b'b': |
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705 try: |
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|
706 return b"_list('%s')" % b"\0".join(a.branch() for a in s) |
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|
707 except AttributeError: |
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708 raise TypeError |
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|
709 |
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710 m = l // 2 |
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|
711 return b'(%s or %s)' % (_formatlistexp(s[:m], t), _formatlistexp(s[m:], t)) |
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|
712 |
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|
713 |
41220
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|
714 def _formatintlist(data): |
8d26026b3335
revert: extract "%ld" formatting in a _formatintlist function
Boris Feld <boris.feld@octobus.net>
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715 try: |
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|
716 l = len(data) |
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717 if l == 0: |
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718 return b"_list('')" |
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719 elif l == 1: |
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720 return _formatargtype(b'd', data[0]) |
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721 return b"_intlist('%s')" % b"\0".join(b'%d' % int(a) for a in data) |
41220
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722 except (TypeError, ValueError): |
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723 raise error.ParseError(_(b'invalid argument for revspec')) |
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|
724 |
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725 |
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726 def _formatparamexp(args, t): |
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727 return b', '.join(_formatargtype(t, a) for a in args) |
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|
728 |
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|
729 |
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|
730 _formatlistfuncs = { |
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731 b'l': _formatlistexp, |
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732 b'p': _formatparamexp, |
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733 } |
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|
734 |
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|
735 |
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|
736 def formatspec(expr, *args): |
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737 ''' |
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|
738 This is a convenience function for using revsets internally, and |
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739 escapes arguments appropriately. Aliases are intentionally ignored |
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|
740 so that intended expression behavior isn't accidentally subverted. |
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|
741 |
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742 Supported arguments: |
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|
743 |
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|
744 %r = revset expression, parenthesized |
41218
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745 %d = rev(int(arg)), no quoting |
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746 %s = string(arg), escaped and single-quoted |
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747 %b = arg.branch(), escaped and single-quoted |
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748 %n = hex(arg), single-quoted |
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|
749 %% = a literal '%' |
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|
750 |
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751 Prefixing the type with 'l' specifies a parenthesized list of that type, |
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752 and 'p' specifies a list of function parameters of that type. |
15140
353a1ba928f6
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|
753 |
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|
754 >>> formatspec(b'%r:: and %lr', b'10 or 11', (b"this()", b"that()")) |
15268
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|
755 '(10 or 11):: and ((this()) or (that()))' |
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|
756 >>> formatspec(b'%d:: and not %d::', 10, 20) |
41297
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|
757 '_rev(10):: and not _rev(20)::' |
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758 >>> formatspec(b'%ld or %ld', [], [1]) |
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759 "_list('') or _rev(1)" |
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|
760 >>> formatspec(b'keyword(%s)', b'foo\\xe9') |
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|
761 "keyword('foo\\\\xe9')" |
34131
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|
762 >>> b = lambda: b'default' |
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763 >>> b.branch = b |
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764 >>> formatspec(b'branch(%b)', b) |
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765 "branch('default')" |
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|
766 >>> formatspec(b'root(%ls)', [b'a', b'b', b'c', b'd']) |
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|
767 "root(_list('a\\\\x00b\\\\x00c\\\\x00d'))" |
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|
768 >>> formatspec(b'sort(%r, %ps)', b':', [b'desc', b'user']) |
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|
769 "sort((:), 'desc', 'user')" |
35822
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|
770 >>> formatspec(b'%ls', [b'a', b"'"]) |
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771 "_list('a\\\\x00\\\\'')" |
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|
772 ''' |
41219
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773 parsed = _parseargs(expr, args) |
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774 ret = [] |
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|
775 for t, arg in parsed: |
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|
776 if t is None: |
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|
777 ret.append(arg) |
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|
778 elif t == b'baseset': |
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|
779 if isinstance(arg, set): |
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|
780 arg = sorted(arg) |
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781 ret.append(_formatintlist(list(arg))) |
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782 else: |
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|
783 raise error.ProgrammingError(b"unknown revspec item type: %r" % t) |
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784 return b''.join(ret) |
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|
785 |
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|
786 |
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|
787 def spectree(expr, *args): |
8aca89a694d4
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|
788 """similar to formatspec but return a parsed and optimized tree""" |
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789 parsed = _parseargs(expr, args) |
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790 ret = [] |
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|
791 inputs = [] |
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792 for t, arg in parsed: |
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|
793 if t is None: |
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|
794 ret.append(arg) |
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795 elif t == b'baseset': |
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|
796 newtree = (b'smartset', smartset.baseset(arg)) |
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797 inputs.append(newtree) |
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798 ret.append(b"$") |
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799 else: |
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800 raise error.ProgrammingError(b"unknown revspec item type: %r" % t) |
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|
801 expr = b''.join(ret) |
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|
802 tree = _parsewith(expr, syminitletters=_aliassyminitletters) |
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|
803 tree = parser.buildtree(tree, (b'symbol', b'$'), *inputs) |
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|
804 tree = foldconcat(tree) |
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|
805 tree = analyze(tree) |
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|
806 tree = optimize(tree) |
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|
807 return tree |
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|
808 |
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|
809 |
41219
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|
810 def _parseargs(expr, args): |
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|
811 """parse the expression and replace all inexpensive args |
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|
812 |
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changeset
|
813 return a list of tuple [(arg-type, arg-value)] |
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|
814 |
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
815 Arg-type can be: |
41221
73203cdfe3fe
revset: detect integer list on parsing
Boris Feld <boris.feld@octobus.net>
parents:
41220
diff
changeset
|
816 * None: a string ready to be concatenated into a final spec |
73203cdfe3fe
revset: detect integer list on parsing
Boris Feld <boris.feld@octobus.net>
parents:
41220
diff
changeset
|
817 * 'baseset': an iterable of revisions |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
818 """ |
31440
f784ba187089
py3: use bytestr wrapper in revsetlang.formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
31385
diff
changeset
|
819 expr = pycompat.bytestr(expr) |
35560
3a8810c1b9bc
revsetlang: use iterator to track current argument in formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35559
diff
changeset
|
820 argiter = iter(args) |
35557
2df8d12f23bc
revsetlang: avoid string concatenation in formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35542
diff
changeset
|
821 ret = [] |
14901
a773119f30ba
revset: add formatspec convenience query builder
Matt Mackall <mpm@selenic.com>
parents:
14900
diff
changeset
|
822 pos = 0 |
a773119f30ba
revset: add formatspec convenience query builder
Matt Mackall <mpm@selenic.com>
parents:
14900
diff
changeset
|
823 while pos < len(expr): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
824 q = expr.find(b'%', pos) |
35558
dfc628611144
revsetlang: use str.find() to scan expr in formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35557
diff
changeset
|
825 if q < 0: |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
826 ret.append((None, expr[pos:])) |
35558
dfc628611144
revsetlang: use str.find() to scan expr in formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35557
diff
changeset
|
827 break |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
828 ret.append((None, expr[pos:q])) |
35558
dfc628611144
revsetlang: use str.find() to scan expr in formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35557
diff
changeset
|
829 pos = q + 1 |
35593
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
830 try: |
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
831 d = expr[pos] |
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
832 except IndexError: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
833 raise error.ParseError(_(b'incomplete revspec format character')) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
834 if d == b'%': |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
835 ret.append((None, d)) |
35592
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
836 pos += 1 |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
837 continue |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
838 |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
839 try: |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
840 arg = next(argiter) |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
841 except StopIteration: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
842 raise error.ParseError(_(b'missing argument for revspec')) |
35597
ed0902e8053e
revsetlang: add %p specifier to format list of function arguments
Yuya Nishihara <yuya@tcha.org>
parents:
35596
diff
changeset
|
843 f = _formatlistfuncs.get(d) |
ed0902e8053e
revsetlang: add %p specifier to format list of function arguments
Yuya Nishihara <yuya@tcha.org>
parents:
35596
diff
changeset
|
844 if f: |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
845 # a list of some type, might be expensive, do not replace |
35559
a480551bd1b4
revsetlang: unnest "if True" in formatrevspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35558
diff
changeset
|
846 pos += 1 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
847 islist = d == b'l' |
35593
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
848 try: |
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
849 d = expr[pos] |
850cd045b1df
revsetlang: check incomplete revspec format character
Yuya Nishihara <yuya@tcha.org>
parents:
35592
diff
changeset
|
850 except IndexError: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
851 raise error.ParseError( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
852 _(b'incomplete revspec format character') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
853 ) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
854 if islist and d == b'd' and arg: |
41239
26b0a7514f01
revset: transparently forward _intlist argument in all case
Boris Feld <boris.feld@octobus.net>
parents:
41222
diff
changeset
|
855 # we don't create a baseset yet, because it come with an |
26b0a7514f01
revset: transparently forward _intlist argument in all case
Boris Feld <boris.feld@octobus.net>
parents:
41222
diff
changeset
|
856 # extra cost. If we are going to serialize it we better |
26b0a7514f01
revset: transparently forward _intlist argument in all case
Boris Feld <boris.feld@octobus.net>
parents:
41222
diff
changeset
|
857 # skip it. |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
858 ret.append((b'baseset', arg)) |
41239
26b0a7514f01
revset: transparently forward _intlist argument in all case
Boris Feld <boris.feld@octobus.net>
parents:
41222
diff
changeset
|
859 pos += 1 |
26b0a7514f01
revset: transparently forward _intlist argument in all case
Boris Feld <boris.feld@octobus.net>
parents:
41222
diff
changeset
|
860 continue |
35594
468d7a1f6633
revsetlang: catch invalid value passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35593
diff
changeset
|
861 try: |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
862 ret.append((None, f(list(arg), d))) |
35594
468d7a1f6633
revsetlang: catch invalid value passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35593
diff
changeset
|
863 except (TypeError, ValueError): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
864 raise error.ParseError(_(b'invalid argument for revspec')) |
35559
a480551bd1b4
revsetlang: unnest "if True" in formatrevspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35558
diff
changeset
|
865 else: |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
866 # a single entry, not expensive, replace |
35594
468d7a1f6633
revsetlang: catch invalid value passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35593
diff
changeset
|
867 try: |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
868 ret.append((None, _formatargtype(d, arg))) |
35594
468d7a1f6633
revsetlang: catch invalid value passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35593
diff
changeset
|
869 except (TypeError, ValueError): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
870 raise error.ParseError(_(b'invalid argument for revspec')) |
14901
a773119f30ba
revset: add formatspec convenience query builder
Matt Mackall <mpm@selenic.com>
parents:
14900
diff
changeset
|
871 pos += 1 |
a773119f30ba
revset: add formatspec convenience query builder
Matt Mackall <mpm@selenic.com>
parents:
14900
diff
changeset
|
872 |
35592
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
873 try: |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
874 next(argiter) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
875 raise error.ParseError(_(b'too many revspec arguments specified')) |
35592
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
876 except StopIteration: |
0fd617afebc0
revsetlang: check number of arguments passed to formatspec()
Yuya Nishihara <yuya@tcha.org>
parents:
35591
diff
changeset
|
877 pass |
41219
e5b227f41e4a
revset: extract parsing logic out of formatspec
Boris Feld <boris.feld@octobus.net>
parents:
41218
diff
changeset
|
878 return ret |
14901
a773119f30ba
revset: add formatspec convenience query builder
Matt Mackall <mpm@selenic.com>
parents:
14900
diff
changeset
|
879 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
880 |
16218
81a1a00f5738
debugrevspec: pretty print output
Patrick Mezard <patrick@mezard.eu>
parents:
16185
diff
changeset
|
881 def prettyformat(tree): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
882 return parser.prettyformat(tree, (b'string', b'symbol')) |
16218
81a1a00f5738
debugrevspec: pretty print output
Patrick Mezard <patrick@mezard.eu>
parents:
16185
diff
changeset
|
883 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
884 |
19719
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
885 def depth(tree): |
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
886 if isinstance(tree, tuple): |
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
887 return max(map(depth, tree)) + 1 |
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
888 else: |
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
889 return 0 |
2f9d5c5256ea
revset: add helper function to get revset parse tree depth
Alexander Plavin <alexander@plav.in>
parents:
19706
diff
changeset
|
890 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
891 |
19720
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
892 def funcsused(tree): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
893 if not isinstance(tree, tuple) or tree[0] in (b'string', b'symbol'): |
19720
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
894 return set() |
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
895 else: |
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
896 funcs = set() |
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
897 for s in tree[1:]: |
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
898 funcs |= funcsused(s) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
899 if tree[0] == b'func': |
19720
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
900 funcs.add(tree[1][1]) |
f0b992a9be9c
revset: add helper function to get functions used in a revset parse tree
Alexander Plavin <alexander@plav.in>
parents:
19719
diff
changeset
|
901 return funcs |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
902 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
903 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
904 _hashre = util.re.compile(b'[0-9a-fA-F]{1,40}$') |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
905 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
906 |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
907 def _ishashlikesymbol(symbol): |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
908 """returns true if the symbol looks like a hash""" |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
909 return _hashre.match(symbol) |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
910 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41835
diff
changeset
|
911 |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
912 def gethashlikesymbols(tree): |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
913 """returns the list of symbols of the tree that look like hashes |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
914 |
35882
87416288be98
tests: make doctest py3-compatible again
Yuya Nishihara <yuya@tcha.org>
parents:
35822
diff
changeset
|
915 >>> gethashlikesymbols(parse(b'3::abe3ff')) |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
916 ['3', 'abe3ff'] |
35882
87416288be98
tests: make doctest py3-compatible again
Yuya Nishihara <yuya@tcha.org>
parents:
35822
diff
changeset
|
917 >>> gethashlikesymbols(parse(b'precursors(.)')) |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
918 [] |
35882
87416288be98
tests: make doctest py3-compatible again
Yuya Nishihara <yuya@tcha.org>
parents:
35822
diff
changeset
|
919 >>> gethashlikesymbols(parse(b'precursors(34)')) |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
920 ['34'] |
35882
87416288be98
tests: make doctest py3-compatible again
Yuya Nishihara <yuya@tcha.org>
parents:
35822
diff
changeset
|
921 >>> gethashlikesymbols(parse(b'abe3ffZ')) |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
922 [] |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
923 """ |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
924 if not tree: |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
925 return [] |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
926 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
927 if tree[0] == b"symbol": |
35494
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
928 if _ishashlikesymbol(tree[1]): |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
929 return [tree[1]] |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
930 elif len(tree) >= 3: |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
931 results = [] |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
932 for subtree in tree[1:]: |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
933 results += gethashlikesymbols(subtree) |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
934 return results |
dd911f95cbda
revsetlang: add utility function to return hash like symbols from the tree
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34273
diff
changeset
|
935 return [] |