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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-03-06 10:03:54 +0000
committerGitHub <[email protected]>2020-03-06 10:03:54 +0000
commit670895a49c271751bf275f0ca1303a1bca7aad5a (patch)
tree58964cef2042a7e0088c81339770a2c8005023a7 /crates/ra_parser/src/grammar/items/use_item.rs
parentdd7a11eec7cfc4703214c6278d4023cc372faa90 (diff)
parent0563cc8291227e9d84c8d931ceb2b3768512b770 (diff)
Merge #3482
3482: Fix regression from #3451 r=matklad a=edwin0cheng There is a regression from #3451 such that the following code has failed to parse in raw item collecting phase: ```rust macro_rules! with_std { ($($i:item)*) => ($(#[cfg(feature = "std")]$i)*) } with_std! { mod macros; mod others; } ``` ### Rationale We always assume the last token of an statement will not end with a whitespace, which is true. It is because in parsing phase, we always emit `SyntaxNode` before any whitespace. Such that in various parts of RA code, we solely check the semi-colon by using `SyntaxNode::last_child_token() == ";"` . However, in #3451, we insert some whitespaces between puncts such that we broke above assumption. This PR fixed this bug by make sure we don't add any whitespace if it is a semicolon. Co-authored-by: Edwin Cheng <[email protected]>
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