diff options
Diffstat (limited to 'src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs')
| -rw-r--r-- | src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs b/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs index 7013aa58b..051e20b3a 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs @@ -2,7 +2,8 @@ //! format that works for our parser. use syntax::{SyntaxKind, SyntaxKind::*, T}; -use tt::buffer::TokenBuffer; + +use crate::tt::buffer::TokenBuffer; pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { let mut res = parser::Input::default(); @@ -44,6 +45,13 @@ pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { .unwrap_or_else(|| panic!("Fail to convert given literal {:#?}", &lit)); res.push(kind); + + if kind == FLOAT_NUMBER && !inner_text.ends_with('.') { + // Tag the token as joint if it is float with a fractional part + // we use this jointness to inform the parser about what token split + // event to emit when we encounter a float literal in a field access + res.was_joint(); + } } tt::Leaf::Ident(ident) => match ident.text.as_ref() { "_" => res.push(T![_]), @@ -70,23 +78,25 @@ pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { cursor.bump() } Some(tt::buffer::TokenTreeRef::Subtree(subtree, _)) => { - if let Some(d) = subtree.delimiter_kind() { - res.push(match d { - tt::DelimiterKind::Parenthesis => T!['('], - tt::DelimiterKind::Brace => T!['{'], - tt::DelimiterKind::Bracket => T!['['], - }); + if let Some(kind) = match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => Some(T!['(']), + tt::DelimiterKind::Brace => Some(T!['{']), + tt::DelimiterKind::Bracket => Some(T!['[']), + tt::DelimiterKind::Invisible => None, + } { + res.push(kind); } cursor.subtree().unwrap() } None => match cursor.end() { Some(subtree) => { - if let Some(d) = subtree.delimiter_kind() { - res.push(match d { - tt::DelimiterKind::Parenthesis => T![')'], - tt::DelimiterKind::Brace => T!['}'], - tt::DelimiterKind::Bracket => T![']'], - }) + if let Some(kind) = match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => Some(T![')']), + tt::DelimiterKind::Brace => Some(T!['}']), + tt::DelimiterKind::Bracket => Some(T![']']), + tt::DelimiterKind::Invisible => None, + } { + res.push(kind); } cursor.bump() } |