Code

Speed up TokenCursor#96210

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Apr 21, 2022

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Commits on Apr 19, 2022

• Tweak `Cursor::next_with_spacing`.

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• Inline and remove `TokenTree::{open_tt,close_tt}`.

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• Inline and remove `Parser::next_tok()`.

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• Merge `TokenCursor::{next,next_desugared}`.

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• Rearrange `TokenCursor::inlined_next()`.

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• Add {open,close}_delim arguments to `TokenCursorFrame::new()`.

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• Handle `Delimited` opening immediately.

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• Move desugaring code into its own function.

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Commits on Apr 20, 2022

• Add a size assertion for `Parser`.

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• Use `true` for `open_delim`/`close_delim` in one spot.

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• Remove `TokenCursorFrame::open_delim`.

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• Remove the loop from `Parser::bump()`.

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• Inline `Cursor::next_with_spacing`.

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• Only record `fallback_span` when necessary.

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• Inline `Parser::parse_nonterminal`.

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• Inline `Parser::nonterminal_may_begin_with`.

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• Remove `Eof` sanity check in `Parser::inlined_bump_with`.

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• Avoid some tuple destructuring.

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Commits on Apr 21, 2022

• Produce `CloseDelim` and pop the stack at the same time.

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• Introduced `Cursor::next_with_spacing_ref`.

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