Code

Speed up TokenCursor#96210

Code

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bors merged 20 commits intorust-lang:masterrust-lang/rust:masterfrom nnethercote:speed-up-TokenCursornnethercote/rust:speed-up-TokenCursorCopy head branch name to clipboardApr 21, 2022

Commits

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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