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Record macro def site spans

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This commit is contained in:
Lukas Wirth 2023-12-21 09:54:47 +01:00
parent 51a9e7831a
commit 7d762d18ed
3 changed files with 16 additions and 3 deletions
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13
crates/hir-def/src/db.rs
View file

@ -326,7 +326,7 @@ fn macro_def(db: &dyn DefDatabase, id: MacroId) -> MacroDefId {
match id {
MacroId::Macro2Id(it) => {
let loc = it.lookup(db);
let loc: Macro2Loc = it.lookup(db);
let item_tree = loc.id.item_tree(db);
let makro = &item_tree[loc.id.value];
@ -335,10 +335,13 @@ fn macro_def(db: &dyn DefDatabase, id: MacroId) -> MacroDefId {
kind: kind(loc.expander, loc.id.file_id(), makro.ast_id.upcast()),
local_inner: false,
allow_internal_unsafe: loc.allow_internal_unsafe,
def_site: db
.span_map(loc.id.file_id())
.span_for_range(db.ast_id_map(loc.id.file_id()).get(makro.ast_id).text_range()),
}
}
MacroId::MacroRulesId(it) => {
let loc = it.lookup(db);
let loc: MacroRulesLoc = it.lookup(db);
let item_tree = loc.id.item_tree(db);
let makro = &item_tree[loc.id.value];
@ -347,6 +350,9 @@ fn macro_def(db: &dyn DefDatabase, id: MacroId) -> MacroDefId {
kind: kind(loc.expander, loc.id.file_id(), makro.ast_id.upcast()),
local_inner: loc.local_inner,
allow_internal_unsafe: loc.allow_internal_unsafe,
def_site: db
.span_map(loc.id.file_id())
.span_for_range(db.ast_id_map(loc.id.file_id()).get(makro.ast_id).text_range()),
}
}
MacroId::ProcMacroId(it) => {
@ -363,6 +369,9 @@ fn macro_def(db: &dyn DefDatabase, id: MacroId) -> MacroDefId {
),
local_inner: false,
allow_internal_unsafe: false,
def_site: db
.span_map(loc.id.file_id())
.span_for_range(db.ast_id_map(loc.id.file_id()).get(makro.ast_id).text_range()),
}
}
}

2
crates/hir-expand/src/lib.rs
View file

@ -179,7 +179,7 @@ pub struct MacroDefId {
pub kind: MacroDefKind,
pub local_inner: bool,
pub allow_internal_unsafe: bool,
// pub def_site: Span,
pub def_site: Span,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]

4
crates/hir-expand/src/span_map.rs
View file

@ -38,6 +38,10 @@ impl mbe::SpanMapper<Span> for SpanMapRef<'_> {
impl SpanMap {
pub fn span_for_range(&self, range: TextRange) -> Span {
match self {
// FIXME: Is it correct for us to only take the span at the start? This feels somewhat
// wrong. The context will be right, but the range could be considered wrong. See
// https://github.com/rust-lang/rust/issues/23480, we probably want to fetch the span at
// the start and end, then merge them like rustc does in `Span::to
Self::ExpansionSpanMap(span_map) => span_map.span_at(range.start()),
Self::RealSpanMap(span_map) => span_map.span_for_range(range),
}