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Add View Mir command and fix some bugs

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This commit is contained in:
hkalbasi 2023-02-26 16:04:41 +03:30
parent a25710b0c0
commit ac04bfd7a7
23 changed files with 876 additions and 122 deletions
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58
crates/hir/src/lib.rs
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@ -1327,6 +1327,15 @@ impl DefWithBody {
body.pretty_print(db.upcast(), self.id())
}
/// A textual representation of the MIR of this def's body for debugging purposes.
pub fn debug_mir(self, db: &dyn HirDatabase) -> String {
let body = db.mir_body(self.id());
match body {
Ok(body) => body.pretty_print(db),
Err(e) => format!("error:\n{e:?}"),
}
}
pub fn diagnostics(self, db: &dyn HirDatabase, acc: &mut Vec<AnyDiagnostic>) {
let krate = self.module(db).id.krate();
@ -1502,32 +1511,35 @@ impl DefWithBody {
let hir_body = db.body(self.into());
if let Ok(mir_body) = db.mir_body(self.into()) {
let mol = mir::borrowck::mutability_of_locals(&mir_body);
if let Ok(borrowck_result) = db.borrowck(self.into()) {
let mir_body = &borrowck_result.mir_body;
let mol = &borrowck_result.mutability_of_locals;
for (binding_id, _) in hir_body.bindings.iter() {
let need_mut = &mol[mir_body.binding_locals[binding_id]];
let local = Local { parent: self.into(), binding_id };
match (need_mut, local.is_mut(db)) {
(mir::borrowck::Mutability::Mut { .. }, true)
| (mir::borrowck::Mutability::Not, false) => (),
(mir::borrowck::Mutability::Mut { span }, false) => {
let span: InFile<SyntaxNodePtr> = match span {
mir::MirSpan::ExprId(e) => match source_map.expr_syntax(*e) {
Ok(s) => s.map(|x| x.into()),
Err(_) => continue,
},
mir::MirSpan::PatId(p) => match source_map.pat_syntax(*p) {
Ok(s) => s.map(|x| match x {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Err(_) => continue,
},
mir::MirSpan::Unknown => continue,
};
acc.push(NeedMut { local, span }.into());
(mir::MutabilityReason::Mut { .. }, true)
| (mir::MutabilityReason::Not, false) => (),
(mir::MutabilityReason::Mut { spans }, false) => {
for span in spans {
let span: InFile<SyntaxNodePtr> = match span {
mir::MirSpan::ExprId(e) => match source_map.expr_syntax(*e) {
Ok(s) => s.map(|x| x.into()),
Err(_) => continue,
},
mir::MirSpan::PatId(p) => match source_map.pat_syntax(*p) {
Ok(s) => s.map(|x| match x {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Err(_) => continue,
},
mir::MirSpan::Unknown => continue,
};
acc.push(NeedMut { local, span }.into());
}
}
(mir::borrowck::Mutability::Not, true) => acc.push(UnusedMut { local }.into()),
(mir::MutabilityReason::Not, true) => acc.push(UnusedMut { local }.into()),
}
}
}
@ -2519,6 +2531,10 @@ impl LocalSource {
self.source.file_id.original_file(db.upcast())
}
pub fn name(&self) -> Option<ast::Name> {
self.source.value.name()
}
pub fn syntax(&self) -> &SyntaxNode {
self.source.value.syntax()
}