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Shrink PatPtr by swapping its AstPtr and Either wrap order

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This commit is contained in:
Lukas Wirth 2023-10-06 12:32:37 +02:00
parent a158670432
commit 88a00bf49d
15 changed files with 164 additions and 190 deletions
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99
crates/hir/src/lib.rs
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@ -1509,10 +1509,10 @@ impl DefWithBody {
&hir_ty::InferenceDiagnostic::NoSuchField { field: expr, private } => {
let expr_or_pat = match expr {
ExprOrPatId::ExprId(expr) => {
source_map.field_syntax(expr).map(Either::Left)
source_map.field_syntax(expr).map(AstPtr::wrap_left)
}
ExprOrPatId::PatId(pat) => {
source_map.pat_field_syntax(pat).map(Either::Right)
source_map.pat_field_syntax(pat).map(AstPtr::wrap_right)
}
};
acc.push(NoSuchField { field: expr_or_pat, private }.into())
@ -1530,8 +1530,8 @@ impl DefWithBody {
}
&hir_ty::InferenceDiagnostic::PrivateAssocItem { id, item } => {
let expr_or_pat = match id {
ExprOrPatId::ExprId(expr) => expr_syntax(expr).map(Either::Left),
ExprOrPatId::PatId(pat) => pat_syntax(pat).map(Either::Right),
ExprOrPatId::ExprId(expr) => expr_syntax(expr).map(AstPtr::wrap_left),
ExprOrPatId::PatId(pat) => pat_syntax(pat).map(AstPtr::wrap_right),
};
let item = item.into();
acc.push(PrivateAssocItem { expr_or_pat, item }.into())
@ -1609,12 +1609,17 @@ impl DefWithBody {
found,
} => {
let expr_or_pat = match pat {
ExprOrPatId::ExprId(expr) => expr_syntax(expr).map(Either::Left),
ExprOrPatId::PatId(pat) => source_map
.pat_syntax(pat)
.expect("unexpected synthetic")
.map(|it| it.unwrap_left())
.map(Either::Right),
ExprOrPatId::ExprId(expr) => expr_syntax(expr).map(AstPtr::wrap_left),
ExprOrPatId::PatId(pat) => {
let InFile { file_id, value } =
source_map.pat_syntax(pat).expect("unexpected synthetic");
// cast from Either<Pat, SelfParam> -> Either<_, Pat>
let Some(ptr) = AstPtr::try_from_raw(value.syntax_node_ptr()) else {
continue;
};
InFile { file_id, value: ptr }
}
};
acc.push(
MismatchedTupleStructPatArgCount { expr_or_pat, expected, found }.into(),
@ -1628,11 +1633,15 @@ impl DefWithBody {
ExprOrPatId::PatId(pat) => source_map.pat_syntax(pat).map(Either::Right),
};
let expr_or_pat = match expr_or_pat {
Ok(Either::Left(expr)) => Either::Left(expr),
Ok(Either::Right(InFile { file_id, value: Either::Left(pat) })) => {
Either::Right(InFile { file_id, value: pat })
Ok(Either::Left(expr)) => expr.map(AstPtr::wrap_left),
Ok(Either::Right(InFile { file_id, value: pat })) => {
// cast from Either<Pat, SelfParam> -> Either<_, Pat>
let Some(ptr) = AstPtr::try_from_raw(pat.syntax_node_ptr()) else {
continue;
};
InFile { file_id, value: ptr }
}
Ok(Either::Right(_)) | Err(SyntheticSyntax) => continue,
Err(SyntheticSyntax) => continue,
};
acc.push(
@ -1667,10 +1676,7 @@ impl DefWithBody {
Err(_) => continue,
},
mir::MirSpan::PatId(p) => match source_map.pat_syntax(p) {
Ok(s) => s.map(|it| match it {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Ok(s) => s.map(|it| it.into()),
Err(_) => continue,
},
mir::MirSpan::Unknown => continue,
@ -1721,10 +1727,7 @@ impl DefWithBody {
Err(_) => continue,
},
mir::MirSpan::PatId(p) => match source_map.pat_syntax(*p) {
Ok(s) => s.map(|it| match it {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Ok(s) => s.map(|it| it.into()),
Err(_) => continue,
},
mir::MirSpan::Unknown => continue,
@ -1763,18 +1766,18 @@ impl DefWithBody {
Ok(source_ptr) => {
let root = source_ptr.file_syntax(db.upcast());
if let ast::Expr::RecordExpr(record_expr) =
&source_ptr.value.to_node(&root)
source_ptr.value.to_node(&root)
{
if record_expr.record_expr_field_list().is_some() {
let field_list_parent_path =
record_expr.path().map(|path| AstPtr::new(&path));
acc.push(
MissingFields {
file: source_ptr.file_id,
field_list_parent: Either::Left(AstPtr::new(
field_list_parent: AstPtr::new(&Either::Left(
record_expr,
)),
field_list_parent_path: record_expr
.path()
.map(|path| AstPtr::new(&path)),
field_list_parent_path,
missed_fields,
}
.into(),
@ -1786,24 +1789,24 @@ impl DefWithBody {
},
Either::Right(record_pat) => match source_map.pat_syntax(record_pat) {
Ok(source_ptr) => {
if let Some(expr) = source_ptr.value.as_ref().left() {
if let Some(ptr) = source_ptr.value.clone().cast::<ast::RecordPat>()
{
let root = source_ptr.file_syntax(db.upcast());
if let ast::Pat::RecordPat(record_pat) = expr.to_node(&root) {
if record_pat.record_pat_field_list().is_some() {
acc.push(
MissingFields {
file: source_ptr.file_id,
field_list_parent: Either::Right(AstPtr::new(
&record_pat,
)),
field_list_parent_path: record_pat
.path()
.map(|path| AstPtr::new(&path)),
missed_fields,
}
.into(),
)
}
let record_pat = ptr.to_node(&root);
if record_pat.record_pat_field_list().is_some() {
let field_list_parent_path =
record_pat.path().map(|path| AstPtr::new(&path));
acc.push(
MissingFields {
file: source_ptr.file_id,
field_list_parent: AstPtr::new(&Either::Right(
record_pat,
)),
field_list_parent_path,
missed_fields,
}
.into(),
)
}
}
}
@ -2948,10 +2951,10 @@ impl Local {
.map(|&definition| {
let src = source_map.pat_syntax(definition).unwrap(); // Hmm...
let root = src.file_syntax(db.upcast());
src.map(|ast| match ast {
// Suspicious unwrap
Either::Left(it) => Either::Left(it.cast().unwrap().to_node(&root)),
Either::Right(it) => Either::Right(it.to_node(&root)),
src.map(|ast| match ast.to_node(&root) {
Either::Left(ast::Pat::IdentPat(it)) => Either::Left(it),
Either::Left(_) => unreachable!("local with non ident-pattern"),
Either::Right(it) => Either::Right(it),
})
})
.map(move |source| LocalSource { local: self, source })