Some trivia fixes #431
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Some trivia fixes #431
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Use this to replace the various places we're doing `var src = self`.
We don't have to handle bailing early, the loop will terminate if we don't lex another operator.
Make sure an inverted character class does not dump the same as a regular character class.
`expectQuoted` expects non-empty contents, which doesn't apply to comments.
PCRE does not allow whitespace here, instead treating the sequence as literal if whitespace is present. However this behavior is quite unintuitive. Instead, lex whitespace between range operands.
Previously we would only parse non-semantic whitespace, but also expand to end-of-line comments, which are supported by ICU.
Factor out the logic that deals with parsing an individual character class member, and interleave `lexTrivia` calls between range operand parsing.
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@swift-ci please test |
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x{2, 3}. This differs from PCRE, which would treat such a sequence as literal, but it's more intuitive to allow whitespace.