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comparison mercurial/filesetlang.py @ 38863:61ab546b71c3

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fileset: introduce weight constants for readability These constants are defined in the filesetlang module since it's the bottommost module depending on WEIGHT_CHECK_FILENAME, and extensions will be likely to import it to process function arguments. Credit for the naming goes to Augie Fackler.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 04 Aug 2018 17:08:33 +0900
parents ca4de8ba5b5f
children 73731fa8d1bd
comparison
equal deleted inserted replaced
38862:1ff45c518e6f 38863:61ab546b71c3
11 from . import ( 11 from . import (
12 error, 12 error,
13 parser, 13 parser,
14 pycompat, 14 pycompat,
15 ) 15 )
16
17 # common weight constants for static optimization
18 # (see registrar.filesetpredicate for details)
19 WEIGHT_CHECK_FILENAME = 0.5
20 WEIGHT_READ_CONTENTS = 30
21 WEIGHT_STATUS = 10
22 WEIGHT_STATUS_THOROUGH = 50
16 23
17 elements = { 24 elements = {
18 # token-type: binding-strength, primary, prefix, infix, suffix 25 # token-type: binding-strength, primary, prefix, infix, suffix
19 "(": (20, None, ("group", 1, ")"), ("func", 1, ")"), None), 26 "(": (20, None, ("group", 1, ")"), ("func", 1, ")"), None),
20 ":": (15, None, None, ("kindpat", 15), None), 27 ":": (15, None, None, ("kindpat", 15), None),
182 if x is None: 189 if x is None:
183 return 0, x 190 return 0, x
184 191
185 op = x[0] 192 op = x[0]
186 if op in {'string', 'symbol'}: 193 if op in {'string', 'symbol'}:
187 return 0.5, x 194 return WEIGHT_CHECK_FILENAME, x
188 if op == 'kindpat': 195 if op == 'kindpat':
189 w, t = _optimize(x[2]) 196 w, t = _optimize(x[2])
190 return w, (op, x[1], t) 197 return w, (op, x[1], t)
191 if op == 'not': 198 if op == 'not':
192 w, t = _optimize(x[1]) 199 w, t = _optimize(x[1])