Unnamed repository; edit this file 'description' to name the repository.
| -rw-r--r-- | crates/hir/src/semantics.rs | 96 | ||||
| -rw-r--r-- | crates/ide/src/hover.rs | 2 |
2 files changed, 24 insertions, 74 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs index a8151e70a1..6e9fc3996c 100644 --- a/crates/hir/src/semantics.rs +++ b/crates/hir/src/semantics.rs @@ -56,39 +56,6 @@ pub enum DescendPreference { None, } -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum MacroInputKind { - Root, - Bang, - AttrInput, - AttrTarget, - Derive, - DeriveHelper, - // Include, -} -impl MacroInputKind { - pub fn is_tt(self) -> bool { - matches!( - self, - MacroInputKind::AttrInput - | MacroInputKind::Bang - | MacroInputKind::DeriveHelper - | MacroInputKind::Derive - ) - } -} - -impl ops::BitOr for MacroInputKind { - type Output = Self; - - fn bitor(self, rhs: Self) -> Self::Output { - match self { - Self::Root => rhs, - _ => self, - } - } -} - #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum PathResolution { /// An item @@ -586,7 +553,7 @@ impl<'db> SemanticsImpl<'db> { string: &ast::String, ) -> Option<Vec<(TextRange, Option<PathResolution>)>> { let quote = string.open_quote_text_range()?; - self.descend_into_macros_ng_b(string.syntax().clone(), |kind, token| { + self.descend_into_macros_ng_b(string.syntax().clone(), |token| { (|| { let token = token.value; let string = ast::String::cast(token)?; @@ -613,7 +580,7 @@ impl<'db> SemanticsImpl<'db> { ) -> Option<(TextRange, Option<PathResolution>)> { let original_string = ast::String::cast(original_token.clone())?; let quote = original_string.open_quote_text_range()?; - self.descend_into_macros_ng_b(original_token.clone(), |kind, token| { + self.descend_into_macros_ng_b(original_token.clone(), |token| { (|| { let token = token.value; self.resolve_offset_in_format_args( @@ -656,7 +623,7 @@ impl<'db> SemanticsImpl<'db> { if first == last { // node is just the token, so descend the token - self.descend_into_macros_impl(first, &mut |_kind, InFile { value, .. }| { + self.descend_into_macros_impl(first, &mut |InFile { value, .. }| { if let Some(node) = value .parent_ancestors() .take_while(|it| it.text_range() == value.text_range()) @@ -669,7 +636,7 @@ impl<'db> SemanticsImpl<'db> { } else { // Descend first and last token, then zip them to look for the node they belong to let mut scratch: SmallVec<[_; 1]> = smallvec![]; - self.descend_into_macros_impl(first, &mut |_kind, token| { + self.descend_into_macros_impl(first, &mut |token| { scratch.push(token); CONTINUE_NO_BREAKS }); @@ -677,7 +644,7 @@ impl<'db> SemanticsImpl<'db> { let mut scratch = scratch.into_iter(); self.descend_into_macros_impl( last, - &mut |_kind, InFile { value: last, file_id: last_fid }| { + &mut |InFile { value: last, file_id: last_fid }| { if let Some(InFile { value: first, file_id: first_fid }) = scratch.next() { if first_fid == last_fid { if let Some(p) = first.parent() { @@ -727,7 +694,7 @@ impl<'db> SemanticsImpl<'db> { let mut res = smallvec![]; self.descend_into_macros_impl::<Infallible>( token.clone(), - &mut |kind, InFile { value, .. }| { + &mut |InFile { value, .. }| { let is_a_match = match mode { // Dp::SameText(text) => value.text() == text, Dp::SameKind(preferred_kind) => { @@ -753,10 +720,10 @@ impl<'db> SemanticsImpl<'db> { pub fn descend_into_macros_ng( &self, token: SyntaxToken, - mut cb: impl FnMut(MacroInputKind, InFile<SyntaxToken>), + mut cb: impl FnMut(InFile<SyntaxToken>), ) { - self.descend_into_macros_impl(token.clone(), &mut |kind, t| { - cb(kind, t); + self.descend_into_macros_impl(token.clone(), &mut |t| { + cb(t); CONTINUE_NO_BREAKS }); } @@ -764,9 +731,9 @@ impl<'db> SemanticsImpl<'db> { pub fn descend_into_macros_ng_b<T>( &self, token: SyntaxToken, - mut cb: impl FnMut(MacroInputKind, InFile<SyntaxToken>) -> ControlFlow<T>, + mut cb: impl FnMut(InFile<SyntaxToken>) -> ControlFlow<T>, ) -> Option<T> { - self.descend_into_macros_impl(token.clone(), &mut |kind, t| cb(kind, t)) + self.descend_into_macros_impl(token.clone(), &mut |t| cb(t)) } /// Descends the token into expansions, returning the tokens that matches the input @@ -776,7 +743,7 @@ impl<'db> SemanticsImpl<'db> { let text = token.text(); let kind = token.kind(); - self.descend_into_macros_ng(token.clone(), |m_kind, InFile { value, file_id }| { + self.descend_into_macros_ng(token.clone(), |InFile { value, file_id: _ }| { let mapped_kind = value.kind(); let any_ident_match = || kind.is_any_identifier() && value.kind().is_any_identifier(); let matches = (kind == mapped_kind || any_ident_match()) && text == value.text(); @@ -796,7 +763,7 @@ impl<'db> SemanticsImpl<'db> { let text = token.text(); let kind = token.kind(); - self.descend_into_macros_ng_b(token.clone(), |m_kind, InFile { value, file_id }| { + self.descend_into_macros_ng_b(token.clone(), |InFile { value, file_id: _ }| { let mapped_kind = value.kind(); let any_ident_match = || kind.is_any_identifier() && value.kind().is_any_identifier(); let matches = (kind == mapped_kind || any_ident_match()) && text == value.text(); @@ -812,7 +779,7 @@ impl<'db> SemanticsImpl<'db> { fn descend_into_macros_impl<T>( &self, token: SyntaxToken, - f: &mut dyn FnMut(MacroInputKind, InFile<SyntaxToken>) -> ControlFlow<T>, + f: &mut dyn FnMut(InFile<SyntaxToken>) -> ControlFlow<T>, ) -> Option<T> { let _p = tracing::info_span!("descend_into_macros_impl").entered(); let (sa, span, file_id) = @@ -832,11 +799,10 @@ impl<'db> SemanticsImpl<'db> { // These are tracked to know which macro calls we still have to look into // the tokens themselves aren't that interesting as the span that is being used to map // things down never changes. - let mut stack: Vec<(_, _, SmallVec<[_; 2]>)> = - vec![(file_id, MacroInputKind::Root, smallvec![token])]; + let mut stack: Vec<(_, SmallVec<[_; 2]>)> = vec![(file_id, smallvec![token])]; // Process the expansion of a call, pushing all tokens with our span in the expansion back onto our stack - let process_expansion_for_token = |stack: &mut Vec<_>, macro_file, remap_kind| { + let process_expansion_for_token = |stack: &mut Vec<_>, macro_file| { let InMacroFile { file_id, value: mapped_tokens } = self.with_ctx(|ctx| { Some( ctx.cache @@ -858,7 +824,7 @@ impl<'db> SemanticsImpl<'db> { // we have found a mapping for the token if the vec is non-empty let res = mapped_tokens.is_empty().not().then_some(()); // requeue the tokens we got from mapping our current token down - stack.push((HirFileId::from(file_id), remap_kind, mapped_tokens)); + stack.push((HirFileId::from(file_id), mapped_tokens)); res }; @@ -868,7 +834,7 @@ impl<'db> SemanticsImpl<'db> { tokens.retain(|t: &mut SyntaxToken| !range.contains_range(t.text_range())) }; - while let Some((expansion, remap_kind, ref mut tokens)) = stack.pop() { + while let Some((expansion, ref mut tokens)) = stack.pop() { while let Some(token) = tokens.pop() { let was_not_remapped = (|| { // First expand into attribute invocations @@ -909,11 +875,7 @@ impl<'db> SemanticsImpl<'db> { .unwrap_or_else(|| text_range.start()); let text_range = TextRange::new(start, text_range.end()); filter_duplicates(tokens, text_range); - return process_expansion_for_token( - &mut stack, - file_id, - remap_kind | MacroInputKind::AttrTarget, - ); + return process_expansion_for_token(&mut stack, file_id); } // Then check for token trees, that means we are either in a function-like macro or @@ -952,20 +914,11 @@ impl<'db> SemanticsImpl<'db> { let text_range = tt.syntax().text_range(); filter_duplicates(tokens, text_range); - process_expansion_for_token( - &mut stack, - file_id, - remap_kind | MacroInputKind::Bang, - ) - .or(file_id + process_expansion_for_token(&mut stack, file_id).or(file_id .eager_arg(self.db.upcast()) .and_then(|arg| { // also descend into eager expansions - process_expansion_for_token( - &mut stack, - arg.as_macro_file(), - remap_kind | MacroInputKind::Bang, - ) + process_expansion_for_token(&mut stack, arg.as_macro_file()) })) } // derive or derive helper @@ -997,9 +950,7 @@ impl<'db> SemanticsImpl<'db> { !text_range.contains_range(t.text_range()) }); return process_expansion_for_token( - &mut stack, - file_id, - remap_kind | MacroInputKind::Derive, + &mut stack, file_id, ); } None => Some(adt), @@ -1043,7 +994,6 @@ impl<'db> SemanticsImpl<'db> { res = res.or(process_expansion_for_token( &mut stack, derive.as_macro_file(), - remap_kind | MacroInputKind::DeriveHelper, )); } res @@ -1053,7 +1003,7 @@ impl<'db> SemanticsImpl<'db> { .is_none(); if was_not_remapped { - if let ControlFlow::Break(b) = f(remap_kind, InFile::new(expansion, token)) { + if let ControlFlow::Break(b) = f(InFile::new(expansion, token)) { return Some(b); } } diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs index b04f5c8411..5443b50575 100644 --- a/crates/ide/src/hover.rs +++ b/crates/ide/src/hover.rs @@ -181,7 +181,7 @@ fn hover_simple( // prefer descending the same token kind in attribute expansions, in normal macros text // equivalency is more important let mut descended = vec![]; - sema.descend_into_macros_ng(original_token.clone(), |_, token| { + sema.descend_into_macros_ng(original_token.clone(), |token| { descended.push(token.value); }); let descended = || descended.iter(); |