5cd07648fd
Now, grammars can handle whitespace by making it another ubiquitous token, like comments. For now, this has the side effect of whitespace being included in the tree that precedes it. This was already an issue for other ubiquitous tokens though, so it needs to be fixed anyway.
15 lines
469 B
Text
15 lines
469 B
Text
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recovers from errors at the top level
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x * * y
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(expression (variable)) (ERROR '*')
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recovers from errors inside parenthesized expressions
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x + (y * + z) * 5
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(sum
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(expression (variable))
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(product (group (ERROR '+')) (expression (number))))
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