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Auto merge of #12691 - Veykril:proc-macro-diag, r=Veykril
fix: Fix unresolved proc macro diagnostics pointing to macro expansions Fixes https://github.com/rust-lang/rust-analyzer/issues/12657
bors 2022-07-14
parent 5af3ef5 · parent 976d07e · commit fbba1d7
-rw-r--r--crates/hir-expand/src/lib.rs80
-rw-r--r--crates/ide-assists/src/handlers/generate_function.rs2
-rw-r--r--crates/ide-assists/src/handlers/inline_call.rs2
-rw-r--r--crates/ide-db/src/search.rs6
-rw-r--r--crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs14
5 files changed, 63 insertions, 41 deletions
diff --git a/crates/hir-expand/src/lib.rs b/crates/hir-expand/src/lib.rs
index 0844e1f625..8fcfad2009 100644
--- a/crates/hir-expand/src/lib.rs
+++ b/crates/hir-expand/src/lib.rs
@@ -778,36 +778,19 @@ impl<'a> InFile<&'a SyntaxNode> {
/// For attributes and derives, this will point back to the attribute only.
/// For the entire item `InFile::use original_file_range_full`.
pub fn original_file_range(self, db: &dyn db::AstDatabase) -> FileRange {
- if let Some(res) = self.original_file_range_opt(db) {
- return res;
- }
-
- // Fall back to whole macro call.
match self.file_id.0 {
HirFileIdRepr::FileId(file_id) => FileRange { file_id, range: self.value.text_range() },
HirFileIdRepr::MacroFile(mac_file) => {
+ if let Some(res) = self.original_file_range_opt(db) {
+ return res;
+ }
+ // Fall back to whole macro call.
let loc = db.lookup_intern_macro_call(mac_file.macro_call_id);
loc.kind.original_call_range(db)
}
}
}
- /// Falls back to the macro call range if the node cannot be mapped up fully.
- pub fn original_file_range_full(self, db: &dyn db::AstDatabase) -> FileRange {
- if let Some(res) = self.original_file_range_opt(db) {
- return res;
- }
-
- // Fall back to whole macro call.
- match self.file_id.0 {
- HirFileIdRepr::FileId(file_id) => FileRange { file_id, range: self.value.text_range() },
- HirFileIdRepr::MacroFile(mac_file) => {
- let loc = db.lookup_intern_macro_call(mac_file.macro_call_id);
- loc.kind.original_call_range_with_body(db)
- }
- }
- }
-
/// Attempts to map the syntax node back up its macro calls.
pub fn original_file_range_opt(self, db: &dyn db::AstDatabase) -> Option<FileRange> {
match ascend_node_border_tokens(db, self) {
@@ -834,6 +817,49 @@ impl InFile<SyntaxToken> {
let expansion = self.file_id.expansion_info(db)?;
expansion.map_token_up(db, self.as_ref()).map(|(it, _)| it)
}
+
+ /// Falls back to the macro call range if the node cannot be mapped up fully.
+ pub fn original_file_range(self, db: &dyn db::AstDatabase) -> FileRange {
+ match self.file_id.0 {
+ HirFileIdRepr::FileId(file_id) => FileRange { file_id, range: self.value.text_range() },
+ HirFileIdRepr::MacroFile(mac_file) => {
+ if let Some(res) = self.original_file_range_opt(db) {
+ return res;
+ }
+ // Fall back to whole macro call.
+ let loc = db.lookup_intern_macro_call(mac_file.macro_call_id);
+ loc.kind.original_call_range(db)
+ }
+ }
+ }
+
+ /// Attempts to map the syntax node back up its macro calls.
+ pub fn original_file_range_opt(self, db: &dyn db::AstDatabase) -> Option<FileRange> {
+ match self.file_id.0 {
+ HirFileIdRepr::FileId(file_id) => {
+ Some(FileRange { file_id, range: self.value.text_range() })
+ }
+ HirFileIdRepr::MacroFile(_) => {
+ let expansion = self.file_id.expansion_info(db)?;
+ let InFile { file_id, value } = ascend_call_token(db, &expansion, self)?;
+ let original_file = file_id.original_file(db);
+ if file_id != original_file.into() {
+ return None;
+ }
+ Some(FileRange { file_id: original_file, range: value.text_range() })
+ }
+ }
+ }
+
+ pub fn ancestors_with_macros(
+ self,
+ db: &dyn db::AstDatabase,
+ ) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
+ self.value.parent().into_iter().flat_map({
+ let file_id = self.file_id;
+ move |parent| InFile::new(file_id, &parent).ancestors_with_macros(db)
+ })
+ }
}
fn ascend_node_border_tokens(
@@ -867,18 +893,6 @@ fn ascend_call_token(
None
}
-impl InFile<SyntaxToken> {
- pub fn ancestors_with_macros(
- self,
- db: &dyn db::AstDatabase,
- ) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
- self.value.parent().into_iter().flat_map({
- let file_id = self.file_id;
- move |parent| InFile::new(file_id, &parent).ancestors_with_macros(db)
- })
- }
-}
-
impl<N: AstNode> InFile<N> {
pub fn descendants<T: AstNode>(self) -> impl Iterator<Item = InFile<T>> {
self.value.syntax().descendants().filter_map(T::cast).map(move |n| self.with_value(n))
diff --git a/crates/ide-assists/src/handlers/generate_function.rs b/crates/ide-assists/src/handlers/generate_function.rs
index c8650979e9..061a481344 100644
--- a/crates/ide-assists/src/handlers/generate_function.rs
+++ b/crates/ide-assists/src/handlers/generate_function.rs
@@ -176,7 +176,7 @@ fn get_adt_source(
adt: &hir::Adt,
fn_name: &str,
) -> Option<(Option<ast::Impl>, FileId)> {
- let range = adt.source(ctx.sema.db)?.syntax().original_file_range_full(ctx.sema.db);
+ let range = adt.source(ctx.sema.db)?.syntax().original_file_range(ctx.sema.db);
let file = ctx.sema.parse(range.file_id);
let adt_source =
ctx.sema.find_node_at_offset_with_macros(file.syntax(), range.range.start())?;
diff --git a/crates/ide-assists/src/handlers/inline_call.rs b/crates/ide-assists/src/handlers/inline_call.rs
index ab614b0ace..c857adf876 100644
--- a/crates/ide-assists/src/handlers/inline_call.rs
+++ b/crates/ide-assists/src/handlers/inline_call.rs
@@ -198,7 +198,7 @@ pub(crate) fn inline_call(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
let fn_body = fn_source.value.body()?;
let param_list = fn_source.value.param_list()?;
- let FileRange { file_id, range } = fn_source.syntax().original_file_range_full(ctx.sema.db);
+ let FileRange { file_id, range } = fn_source.syntax().original_file_range(ctx.sema.db);
if file_id == ctx.file_id() && range.contains(ctx.offset()) {
cov_mark::hit!(inline_call_recursive);
return None;
diff --git a/crates/ide-db/src/search.rs b/crates/ide-db/src/search.rs
index e6bd46347d..4a11fb73cd 100644
--- a/crates/ide-db/src/search.rs
+++ b/crates/ide-db/src/search.rs
@@ -239,14 +239,14 @@ impl Definition {
DefWithBody::Static(s) => s.source(db).map(|src| src.syntax().cloned()),
};
return match def {
- Some(def) => SearchScope::file_range(def.as_ref().original_file_range_full(db)),
+ Some(def) => SearchScope::file_range(def.as_ref().original_file_range(db)),
None => SearchScope::single_file(file_id),
};
}
if let Definition::SelfType(impl_) = self {
return match impl_.source(db).map(|src| src.syntax().cloned()) {
- Some(def) => SearchScope::file_range(def.as_ref().original_file_range_full(db)),
+ Some(def) => SearchScope::file_range(def.as_ref().original_file_range(db)),
None => SearchScope::single_file(file_id),
};
}
@@ -262,7 +262,7 @@ impl Definition {
hir::GenericDef::Const(it) => it.source(db).map(|src| src.syntax().cloned()),
};
return match def {
- Some(def) => SearchScope::file_range(def.as_ref().original_file_range_full(db)),
+ Some(def) => SearchScope::file_range(def.as_ref().original_file_range(db)),
None => SearchScope::single_file(file_id),
};
}
diff --git a/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs b/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs
index fde3901a73..760f51f904 100644
--- a/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs
+++ b/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs
@@ -1,4 +1,5 @@
use hir::db::DefDatabase;
+use syntax::NodeOrToken;
use crate::{Diagnostic, DiagnosticsContext, Severity};
@@ -18,9 +19,16 @@ pub(crate) fn unresolved_proc_macro(
proc_attr_macros_enabled: bool,
) -> Diagnostic {
// Use more accurate position if available.
- let display_range = d
- .precise_location
- .unwrap_or_else(|| ctx.sema.diagnostics_display_range(d.node.clone()).range);
+ let display_range = (|| {
+ let precise_location = d.precise_location?;
+ let root = ctx.sema.parse_or_expand(d.node.file_id)?;
+ match root.covering_element(precise_location) {
+ NodeOrToken::Node(it) => Some(ctx.sema.original_range(&it)),
+ NodeOrToken::Token(it) => d.node.with_value(it).original_file_range_opt(ctx.sema.db),
+ }
+ })()
+ .unwrap_or_else(|| ctx.sema.diagnostics_display_range(d.node.clone()))
+ .range;
let config_enabled = match d.kind {
hir::MacroKind::Attr => proc_macros_enabled && proc_attr_macros_enabled,