Fix a parser bug where tokens are misidentified as commas. #1502
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In the old and new readers, when parsing an object, a comment followed by any non-`}` token is treated as a comma. The new unit test required changing the runjsontests.py flag regime so that failure tests could be run with default settings.
Much of the comment handling in the parsers is bespoke, and does not honor this flag. By unfiying it under a common API, the parser is simplified and strict mode is now more correctly strict. Note that allowComments mode does not allow for comments in arbitrary locations; they are allowed only in certain positions. Rectifying this is a bigger effort, since collectComments mode requires storing the comments somewhere, and it's not immediately clear where in the DOM all such comments should live.
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Sorry, I wasn't expecting my second change to get merged into this PR. I would still like both to be reviewed, but let me know if you'd like me to split this out somehow. (The second change relies on test framework changes made to the first.) |
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LGTM |
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In the old and new readers, when parsing an object, a comment followed by any non-
}token is treated as a comma.The new unit test required changing the runjsontests.py flag regime so that failure tests could be run with default settings.