traxys/tree-sitter
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Implement character set difference

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This commit is contained in:
Max Brunsfeld 2014-02-07 12:57:35 -08:00
parent b94fa3ed35
commit df3397f02c
7 changed files with 200 additions and 139 deletions
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2
src/compiler/rules/pattern.cpp
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@ -75,7 +75,7 @@ namespace tree_sitter {
}
CharacterSet result;
while (has_more_input() && (peek() != ']'))
result.union_with(single_char());
result.add_set(single_char());
return is_affirmative ? result : result.complement();
}