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simplify

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This commit is contained in:
Jonas Schievink 2022-01-05 17:26:34 +01:00
parent c5049bdcda
commit 3eddda6f4c
2 changed files with 47 additions and 52 deletions
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10
crates/hir_def/src/lib.rs
View File

@ -781,12 +781,10 @@ fn attr_macro_as_call_id(
macro_attr: &Attr,
db: &dyn db::DefDatabase,
krate: CrateId,
def: Option<MacroDefId>,
) -> Result<MacroCallId, UnresolvedMacro> {
def: MacroDefId,
) -> MacroCallId {
let attr_path = &item_attr.path;
let def = def.ok_or_else(|| UnresolvedMacro { path: attr_path.clone() })?;
let last_segment =
attr_path.segments().last().ok_or_else(|| UnresolvedMacro { path: attr_path.clone() })?;
let last_segment = attr_path.segments().last().expect("empty attribute path");
let mut arg = match macro_attr.input.as_deref() {
Some(attr::AttrInput::TokenTree(tt, map)) => (tt.clone(), map.clone()),
_ => Default::default(),
@ -805,5 +803,5 @@ fn attr_macro_as_call_id(
invoc_attr_index: macro_attr.id.ast_index,
},
);
Ok(res)
res
}

23
crates/hir_def/src/nameres/collector.rs
View File

@ -1124,10 +1124,13 @@ impl DefCollector<'_> {
}
}
let def = resolver(path.clone()).filter(MacroDefId::is_attribute);
let def = match resolver(path.clone()) {
Some(def) if def.is_attribute() => def,
_ => return true,
};
if matches!(
def,
Some(MacroDefId { kind:MacroDefKind::BuiltInAttr(expander, _),.. })
MacroDefId { kind:MacroDefKind::BuiltInAttr(expander, _),.. }
if expander.is_derive()
) {
// Resolved to `#[derive]`
@ -1184,10 +1187,9 @@ impl DefCollector<'_> {
return true;
}
// Not resolved to a derive helper or the derive attribute, so try to resolve as a normal attribute.
match attr_macro_as_call_id(file_ast_id, attr, self.db, self.def_map.krate, def)
{
Ok(call_id) => {
// Not resolved to a derive helper or the derive attribute, so try to treat as a normal attribute.
let call_id =
attr_macro_as_call_id(file_ast_id, attr, self.db, self.def_map.krate, def);
let loc: MacroCallLoc = self.db.lookup_intern_macro_call(call_id);
// Skip #[test]/#[bench] expansion, which would merely result in more memory usage
@ -1204,12 +1206,10 @@ impl DefCollector<'_> {
if exp.is_dummy() {
// Proc macros that cannot be expanded are treated as not
// resolved, in order to fall back later.
self.def_map.diagnostics.push(
DefDiagnostic::unresolved_proc_macro(
self.def_map.diagnostics.push(DefDiagnostic::unresolved_proc_macro(
directive.module_id,
loc.kind,
),
);
));
return recollect_without(self);
}
@ -1228,9 +1228,6 @@ impl DefCollector<'_> {
res = ReachedFixedPoint::No;
return false;
}
Err(UnresolvedMacro { .. }) => (),
}
}
}
true