diff options
3 files changed, 97 insertions, 31 deletions
diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics.rs b/src/tools/rust-analyzer/crates/hir/src/semantics.rs index 0dac64d6f2c..aea22545ed5 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics.rs @@ -769,6 +769,31 @@ impl<'db> SemanticsImpl<'db> { }) } + /// Descends the token into the include expansion, if its file is an included file. + pub fn descend_token_into_include_expansion( + &self, + tok: InRealFile<SyntaxToken>, + ) -> InFile<SyntaxToken> { + let Some(include) = + self.s2d_cache.borrow_mut().get_or_insert_include_for(self.db, tok.file_id) + else { + return tok.into(); + }; + let span = self.db.real_span_map(tok.file_id).span_for_range(tok.value.text_range()); + let Some(InMacroFile { file_id, value: mut mapped_tokens }) = self.with_ctx(|ctx| { + Some( + ctx.cache + .get_or_insert_expansion(ctx.db, include) + .map_range_down(span)? + .map(SmallVec::<[_; 2]>::from_iter), + ) + }) else { + return tok.into(); + }; + // We should only get one result at most + mapped_tokens.pop().map_or_else(|| tok.into(), |(tok, _)| InFile::new(file_id.into(), tok)) + } + /// Maps a node down by mapping its first and last token down. pub fn descend_node_into_attributes<N: AstNode>(&self, node: N) -> SmallVec<[N; 1]> { // This might not be the correct way to do this, but it works for now @@ -1528,11 +1553,9 @@ impl<'db> SemanticsImpl<'db> { } pub fn resolve_macro_call2(&self, macro_call: InFile<&ast::MacroCall>) -> Option<Macro> { - self.with_ctx(|ctx| { - ctx.macro_call_to_macro_call(macro_call) - .and_then(|call| macro_call_to_macro_id(ctx, call)) - .map(Into::into) - }) + self.to_def2(macro_call) + .and_then(|call| self.with_ctx(|ctx| macro_call_to_macro_id(ctx, call))) + .map(Into::into) } pub fn is_proc_macro_call(&self, macro_call: InFile<&ast::MacroCall>) -> bool { @@ -1647,6 +1670,10 @@ impl<'db> SemanticsImpl<'db> { T::to_def(self, src) } + pub fn to_def2<T: ToDef>(&self, src: InFile<&T>) -> Option<T::Def> { + T::to_def(self, src) + } + fn file_to_module_defs(&self, file: FileId) -> impl Iterator<Item = Module> { self.with_ctx(|ctx| ctx.file_to_def(file).to_owned()).into_iter().map(Module::from) } diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs index 172af456d92..7f6c9af4740 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs @@ -399,19 +399,6 @@ impl SourceToDefCtx<'_, '_> { Some((container, label?)) } - pub(super) fn item_to_macro_call(&mut self, src: InFile<&ast::Item>) -> Option<MacroCallId> { - let map = self.dyn_map(src)?; - map[keys::ATTR_MACRO_CALL].get(&AstPtr::new(src.value)).copied() - } - - pub(super) fn macro_call_to_macro_call( - &mut self, - src: InFile<&ast::MacroCall>, - ) -> Option<MacroCallId> { - let map = self.dyn_map(src)?; - map[keys::MACRO_CALL].get(&AstPtr::new(src.value)).copied() - } - /// (AttrId, derive attribute call id, derive call ids) pub(super) fn attr_to_derive_macro_call( &mut self, @@ -449,6 +436,17 @@ impl SourceToDefCtx<'_, '_> { .or_insert_with(|| container.child_by_source(db, file_id)) } + pub(super) fn item_to_macro_call(&mut self, src: InFile<&ast::Item>) -> Option<MacroCallId> { + self.to_def(src, keys::ATTR_MACRO_CALL) + } + + pub(super) fn macro_call_to_macro_call( + &mut self, + src: InFile<&ast::MacroCall>, + ) -> Option<MacroCallId> { + self.to_def(src, keys::MACRO_CALL) + } + pub(super) fn type_param_to_def( &mut self, src: InFile<&ast::TypeParam>, diff --git a/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs b/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs index f8f9378b9e9..7c396339c14 100644 --- a/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs +++ b/src/tools/rust-analyzer/crates/ide/src/expand_macro.rs @@ -1,10 +1,10 @@ use hir::db::ExpandDatabase; -use hir::{ExpandResult, InFile, Semantics}; +use hir::{ExpandResult, InFile, InRealFile, Semantics}; use ide_db::{ FileId, RootDatabase, base_db::Crate, helpers::pick_best_token, syntax_helpers::prettify_macro_expansion, }; -use span::{Edition, SpanMap, SyntaxContext, TextRange, TextSize}; +use span::{SpanMap, SyntaxContext, TextRange, TextSize}; use stdx::format_to; use syntax::{AstNode, NodeOrToken, SyntaxKind, SyntaxNode, T, ast, ted}; @@ -26,8 +26,9 @@ pub struct ExpandedMacro { //  pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<ExpandedMacro> { let sema = Semantics::new(db); - let file = sema.parse_guess_edition(position.file_id); - let krate = sema.file_to_module_def(position.file_id)?.krate().into(); + let file_id = sema.attach_first_edition(position.file_id)?; + let file = sema.parse(file_id); + let krate = sema.file_to_module_def(file_id.file_id(db))?.krate().into(); let tok = pick_best_token(file.syntax().token_at_offset(position.offset), |kind| match kind { SyntaxKind::IDENT => 1, @@ -86,7 +87,10 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option< return derive; } - let mut anc = tok.parent_ancestors(); + let mut anc = sema + .descend_token_into_include_expansion(InRealFile::new(file_id, tok)) + .value + .parent_ancestors(); let mut span_map = SpanMap::empty(); let mut error = String::new(); let (name, expanded, kind) = loop { @@ -95,14 +99,7 @@ pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option< if let Some(item) = ast::Item::cast(node.clone()) { if let Some(def) = sema.resolve_attr_macro_call(&item) { break ( - def.name(db) - .display( - db, - sema.attach_first_edition(position.file_id) - .map(|it| it.edition(db)) - .unwrap_or(Edition::CURRENT), - ) - .to_string(), + def.name(db).display(db, file_id.edition(db)).to_string(), expand_macro_recur(&sema, &item, &mut error, &mut span_map, TextSize::new(0))?, SyntaxKind::MACRO_ITEMS, ); @@ -759,4 +756,48 @@ fn test() { "<>hi""#]], ); } + + #[test] + fn in_included() { + check( + r#" +//- minicore: include +//- /main.rs crate:main +include!("./included.rs"); +//- /included.rs +macro_rules! foo { + () => { fn item() {} }; +} +foo$0!(); +"#, + expect![[r#" + foo! + fn item(){}"#]], + ); + } + + #[test] + fn include() { + check( + r#" +//- minicore: include +//- /main.rs crate:main +include$0!("./included.rs"); +//- /included.rs +macro_rules! foo { + () => { fn item() {} }; +} +foo(); +"#, + expect![[r#" + include! + macro_rules! foo { + () => { + fn item(){} + + }; + } + foo();"#]], + ); + } } |