Check consumed parser tokens for validity #1263
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cc @Yokozuna59 This should fix the EOF issue you were experiencing. |
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Closes #1262
This is effectively a second (but better) attempt for #1135. This change validates any parser token before putting it in the CST and AST. Invalid tokens are simply ignored after consuming them from the token stack.
This prevents the issue of invalid CST ranges (and therefore issues in LSP and value assignments) completely.