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comparison mercurial/parser.py @ 25253:3f1a9b44b8c2

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parser: move prettyformat() function from revset module I want to use it in doctests that I'll add by future patches. Also, it can be used in "hg debugfileset" command.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 26 Apr 2015 22:20:03 +0900
parents d647f97f88dd
children 060bdfef2517
comparison
equal deleted inserted replaced
25252:ac381dd7a21f 25253:3f1a9b44b8c2
91 'parse a message into a parse tree and evaluate if methods given' 91 'parse a message into a parse tree and evaluate if methods given'
92 t = self.parse(message) 92 t = self.parse(message)
93 if self._methods: 93 if self._methods:
94 return self.eval(t) 94 return self.eval(t)
95 return t 95 return t
96
97 def prettyformat(tree, leafnodes):
98 def _prettyformat(tree, level, lines):
99 if not isinstance(tree, tuple) or tree[0] in leafnodes:
100 lines.append((level, str(tree)))
101 else:
102 lines.append((level, '(%s' % tree[0]))
103 for s in tree[1:]:
104 _prettyformat(s, level + 1, lines)
105 lines[-1:] = [(lines[-1][0], lines[-1][1] + ')')]
106
107 lines = []
108 _prettyformat(tree, 0, lines)
109 output = '\n'.join((' ' * l + s) for l, s in lines)
110 return output