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A comment on Teaching Compilers Backward. Parent comment

Re:Teaching Compilers Backward by waynesonfire on Tuesday February 23, 2021 @11:31AM (#26239226)
And, it seems to be is a really understood problem that has efficient solutions.
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Re:Teaching Compilers Backward by smasher164 on Tuesday February 23, 2021 @01:03PM (#26240487)
Yes and no. The traditional goal of a parser that accepts valid inputs, and rejects invalid inputs is well understood.

A more relevant goal of error-tolerant parsers that can respond quickly to incremental changes is still a wide research problem.

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