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4 files changed

+68
-79
lines changed

4 files changed

+68
-79
lines changed

‎crates/ra_assists/src/handlers/change_return_type_to_result.rs

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -241,7 +241,6 @@ fn get_tail_expr_from_block(expr: &Expr) -> Option<Vec<NodeType>> {
241241
Expr::ArrayExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
242242
Expr::ParenExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
243243
Expr::PathExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
244-
Expr::Label(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
245244
Expr::RecordExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
246245
Expr::IndexExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),
247246
Expr::MethodCallExpr(expr) => Some(vec![NodeType::Leaf(expr.syntax().clone())]),

‎crates/ra_hir_def/src/body/lower.rs

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -569,9 +569,6 @@ impl ExprCollector<'_> {
569569
}
570570
}
571571
}
572-
573-
// FIXME implement HIR for these:
574-
ast::Expr::Label(_e) => self.alloc_expr(Expr::Missing, syntax_ptr),
575572
}
576573
}
577574

‎crates/ra_syntax/src/ast/generated/nodes.rs

Lines changed: 62 additions & 68 deletions
Original file line numberDiff line numberDiff line change
@@ -624,6 +624,19 @@ impl CastExpr {
624624
pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
625625
}
626626
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
627+
pub struct ClosureExpr {
628+
pub(crate) syntax: SyntaxNode,
629+
}
630+
impl ast::AttrsOwner for ClosureExpr {}
631+
impl ClosureExpr {
632+
pub fn static_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![static]) }
633+
pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) }
634+
pub fn move_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![move]) }
635+
pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
636+
pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
637+
pub fn body(&self) -> Option<Expr> { support::child(&self.syntax) }
638+
}
639+
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
627640
pub struct ContinueExpr {
628641
pub(crate) syntax: SyntaxNode,
629642
}
@@ -690,28 +703,6 @@ impl IndexExpr {
690703
pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
691704
}
692705
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
693-
pub struct Label {
694-
pub(crate) syntax: SyntaxNode,
695-
}
696-
impl Label {
697-
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
698-
support::token(&self.syntax, T![lifetime])
699-
}
700-
}
701-
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
702-
pub struct ClosureExpr {
703-
pub(crate) syntax: SyntaxNode,
704-
}
705-
impl ast::AttrsOwner for ClosureExpr {}
706-
impl ClosureExpr {
707-
pub fn static_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![static]) }
708-
pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) }
709-
pub fn move_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![move]) }
710-
pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
711-
pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
712-
pub fn body(&self) -> Option<Expr> { support::child(&self.syntax) }
713-
}
714-
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
715706
pub struct LoopExpr {
716707
pub(crate) syntax: SyntaxNode,
717708
}
@@ -835,6 +826,15 @@ impl WhileExpr {
835826
pub fn condition(&self) -> Option<Condition> { support::child(&self.syntax) }
836827
}
837828
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
829+
pub struct Label {
830+
pub(crate) syntax: SyntaxNode,
831+
}
832+
impl Label {
833+
pub fn lifetime_token(&self) -> Option<SyntaxToken> {
834+
support::token(&self.syntax, T![lifetime])
835+
}
836+
}
837+
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
838838
pub struct RecordExprFieldList {
839839
pub(crate) syntax: SyntaxNode,
840840
}
@@ -1337,14 +1337,13 @@ pub enum Expr {
13371337
BreakExpr(BreakExpr),
13381338
CallExpr(CallExpr),
13391339
CastExpr(CastExpr),
1340+
ClosureExpr(ClosureExpr),
13401341
ContinueExpr(ContinueExpr),
13411342
EffectExpr(EffectExpr),
13421343
FieldExpr(FieldExpr),
13431344
ForExpr(ForExpr),
13441345
IfExpr(IfExpr),
13451346
IndexExpr(IndexExpr),
1346-
Label(Label),
1347-
ClosureExpr(ClosureExpr),
13481347
Literal(Literal),
13491348
LoopExpr(LoopExpr),
13501349
MacroCall(MacroCall),
@@ -2017,6 +2016,17 @@ impl AstNode for CastExpr {
20172016
}
20182017
fn syntax(&self) -> &SyntaxNode { &self.syntax }
20192018
}
2019+
impl AstNode for ClosureExpr {
2020+
fn can_cast(kind: SyntaxKind) -> bool { kind == CLOSURE_EXPR }
2021+
fn cast(syntax: SyntaxNode) -> Option<Self> {
2022+
if Self::can_cast(syntax.kind()) {
2023+
Some(Self { syntax })
2024+
} else {
2025+
None
2026+
}
2027+
}
2028+
fn syntax(&self) -> &SyntaxNode { &self.syntax }
2029+
}
20202030
impl AstNode for ContinueExpr {
20212031
fn can_cast(kind: SyntaxKind) -> bool { kind == CONTINUE_EXPR }
20222032
fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2083,28 +2093,6 @@ impl AstNode for IndexExpr {
20832093
}
20842094
fn syntax(&self) -> &SyntaxNode { &self.syntax }
20852095
}
2086-
impl AstNode for Label {
2087-
fn can_cast(kind: SyntaxKind) -> bool { kind == LABEL }
2088-
fn cast(syntax: SyntaxNode) -> Option<Self> {
2089-
if Self::can_cast(syntax.kind()) {
2090-
Some(Self { syntax })
2091-
} else {
2092-
None
2093-
}
2094-
}
2095-
fn syntax(&self) -> &SyntaxNode { &self.syntax }
2096-
}
2097-
impl AstNode for ClosureExpr {
2098-
fn can_cast(kind: SyntaxKind) -> bool { kind == CLOSURE_EXPR }
2099-
fn cast(syntax: SyntaxNode) -> Option<Self> {
2100-
if Self::can_cast(syntax.kind()) {
2101-
Some(Self { syntax })
2102-
} else {
2103-
None
2104-
}
2105-
}
2106-
fn syntax(&self) -> &SyntaxNode { &self.syntax }
2107-
}
21082096
impl AstNode for LoopExpr {
21092097
fn can_cast(kind: SyntaxKind) -> bool { kind == LOOP_EXPR }
21102098
fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2248,6 +2236,17 @@ impl AstNode for WhileExpr {
22482236
}
22492237
fn syntax(&self) -> &SyntaxNode { &self.syntax }
22502238
}
2239+
impl AstNode for Label {
2240+
fn can_cast(kind: SyntaxKind) -> bool { kind == LABEL }
2241+
fn cast(syntax: SyntaxNode) -> Option<Self> {
2242+
if Self::can_cast(syntax.kind()) {
2243+
Some(Self { syntax })
2244+
} else {
2245+
None
2246+
}
2247+
}
2248+
fn syntax(&self) -> &SyntaxNode { &self.syntax }
2249+
}
22512250
impl AstNode for RecordExprFieldList {
22522251
fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR_FIELD_LIST }
22532252
fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -3086,6 +3085,9 @@ impl From<CallExpr> for Expr {
30863085
impl From<CastExpr> for Expr {
30873086
fn from(node: CastExpr) -> Expr { Expr::CastExpr(node) }
30883087
}
3088+
impl From<ClosureExpr> for Expr {
3089+
fn from(node: ClosureExpr) -> Expr { Expr::ClosureExpr(node) }
3090+
}
30893091
impl From<ContinueExpr> for Expr {
30903092
fn from(node: ContinueExpr) -> Expr { Expr::ContinueExpr(node) }
30913093
}
@@ -3104,12 +3106,6 @@ impl From<IfExpr> for Expr {
31043106
impl From<IndexExpr> for Expr {
31053107
fn from(node: IndexExpr) -> Expr { Expr::IndexExpr(node) }
31063108
}
3107-
impl From<Label> for Expr {
3108-
fn from(node: Label) -> Expr { Expr::Label(node) }
3109-
}
3110-
impl From<ClosureExpr> for Expr {
3111-
fn from(node: ClosureExpr) -> Expr { Expr::ClosureExpr(node) }
3112-
}
31133109
impl From<Literal> for Expr {
31143110
fn from(node: Literal) -> Expr { Expr::Literal(node) }
31153111
}
@@ -3159,8 +3155,8 @@ impl AstNode for Expr {
31593155
fn can_cast(kind: SyntaxKind) -> bool {
31603156
match kind {
31613157
ARRAY_EXPR | AWAIT_EXPR | BIN_EXPR | BLOCK_EXPR | BOX_EXPR | BREAK_EXPR | CALL_EXPR
3162-
| CAST_EXPR | CONTINUE_EXPR | EFFECT_EXPR | FIELD_EXPR | FOR_EXPR | IF_EXPR
3163-
| INDEX_EXPR | LABEL | CLOSURE_EXPR | LITERAL | LOOP_EXPR | MACRO_CALL | MATCH_EXPR
3158+
| CAST_EXPR | CLOSURE_EXPR | CONTINUE_EXPR | EFFECT_EXPR | FIELD_EXPR | FOR_EXPR
3159+
| IF_EXPR | INDEX_EXPR | LITERAL | LOOP_EXPR | MACRO_CALL | MATCH_EXPR
31643160
| METHOD_CALL_EXPR | PAREN_EXPR | PATH_EXPR | PREFIX_EXPR | RANGE_EXPR
31653161
| RECORD_EXPR | REF_EXPR | RETURN_EXPR | TRY_EXPR | TUPLE_EXPR | WHILE_EXPR => true,
31663162
_ => false,
@@ -3176,14 +3172,13 @@ impl AstNode for Expr {
31763172
BREAK_EXPR => Expr::BreakExpr(BreakExpr { syntax }),
31773173
CALL_EXPR => Expr::CallExpr(CallExpr { syntax }),
31783174
CAST_EXPR => Expr::CastExpr(CastExpr { syntax }),
3175+
CLOSURE_EXPR => Expr::ClosureExpr(ClosureExpr { syntax }),
31793176
CONTINUE_EXPR => Expr::ContinueExpr(ContinueExpr { syntax }),
31803177
EFFECT_EXPR => Expr::EffectExpr(EffectExpr { syntax }),
31813178
FIELD_EXPR => Expr::FieldExpr(FieldExpr { syntax }),
31823179
FOR_EXPR => Expr::ForExpr(ForExpr { syntax }),
31833180
IF_EXPR => Expr::IfExpr(IfExpr { syntax }),
31843181
INDEX_EXPR => Expr::IndexExpr(IndexExpr { syntax }),
3185-
LABEL => Expr::Label(Label { syntax }),
3186-
CLOSURE_EXPR => Expr::ClosureExpr(ClosureExpr { syntax }),
31873182
LITERAL => Expr::Literal(Literal { syntax }),
31883183
LOOP_EXPR => Expr::LoopExpr(LoopExpr { syntax }),
31893184
MACRO_CALL => Expr::MacroCall(MacroCall { syntax }),
@@ -3213,14 +3208,13 @@ impl AstNode for Expr {
32133208
Expr::BreakExpr(it) => &it.syntax,
32143209
Expr::CallExpr(it) => &it.syntax,
32153210
Expr::CastExpr(it) => &it.syntax,
3211+
Expr::ClosureExpr(it) => &it.syntax,
32163212
Expr::ContinueExpr(it) => &it.syntax,
32173213
Expr::EffectExpr(it) => &it.syntax,
32183214
Expr::FieldExpr(it) => &it.syntax,
32193215
Expr::ForExpr(it) => &it.syntax,
32203216
Expr::IfExpr(it) => &it.syntax,
32213217
Expr::IndexExpr(it) => &it.syntax,
3222-
Expr::Label(it) => &it.syntax,
3223-
Expr::ClosureExpr(it) => &it.syntax,
32243218
Expr::Literal(it) => &it.syntax,
32253219
Expr::LoopExpr(it) => &it.syntax,
32263220
Expr::MacroCall(it) => &it.syntax,
@@ -3715,6 +3709,11 @@ impl std::fmt::Display for CastExpr {
37153709
std::fmt::Display::fmt(self.syntax(), f)
37163710
}
37173711
}
3712+
impl std::fmt::Display for ClosureExpr {
3713+
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
3714+
std::fmt::Display::fmt(self.syntax(), f)
3715+
}
3716+
}
37183717
impl std::fmt::Display for ContinueExpr {
37193718
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
37203719
std::fmt::Display::fmt(self.syntax(), f)
@@ -3745,16 +3744,6 @@ impl std::fmt::Display for IndexExpr {
37453744
std::fmt::Display::fmt(self.syntax(), f)
37463745
}
37473746
}
3748-
impl std::fmt::Display for Label {
3749-
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
3750-
std::fmt::Display::fmt(self.syntax(), f)
3751-
}
3752-
}
3753-
impl std::fmt::Display for ClosureExpr {
3754-
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
3755-
std::fmt::Display::fmt(self.syntax(), f)
3756-
}
3757-
}
37583747
impl std::fmt::Display for LoopExpr {
37593748
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
37603749
std::fmt::Display::fmt(self.syntax(), f)
@@ -3820,6 +3809,11 @@ impl std::fmt::Display for WhileExpr {
38203809
std::fmt::Display::fmt(self.syntax(), f)
38213810
}
38223811
}
3812+
impl std::fmt::Display for Label {
3813+
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
3814+
std::fmt::Display::fmt(self.syntax(), f)
3815+
}
3816+
}
38233817
impl std::fmt::Display for RecordExprFieldList {
38243818
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
38253819
std::fmt::Display::fmt(self.syntax(), f)

‎xtask/src/codegen/rust.ungram

Lines changed: 6 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -215,14 +215,13 @@ Expr =
215215
| BreakExpr
216216
| CallExpr
217217
| CastExpr
218+
| ClosureExpr
218219
| ContinueExpr
219220
| EffectExpr
220221
| FieldExpr
221222
| ForExpr
222223
| IfExpr
223224
| IndexExpr
224-
| Label
225-
| ClosureExpr
226225
| Literal
227226
| LoopExpr
228227
| MacroCall
@@ -340,7 +339,7 @@ ForExpr =
340339

341340
WhileExpr =
342341
Attr* Label? 'while' Condition
343-
loop_body:BlockExpr?
342+
loop_body:BlockExpr
344343

345344
Label =
346345
'lifetime'
@@ -418,13 +417,13 @@ SliceType =
418417
'[' Type ']'
419418

420419
InferType =
421-
'_'
420+
'_'
422421

423422
FnPointerType =
424-
'const'? 'async'? 'unsafe'? Abi? 'fn' ParamList RetType?
423+
'const'? 'async'? 'unsafe'? Abi? 'fn' ParamList RetType?
425424

426425
ForType =
427-
'for' GenericParamList Type
426+
'for' GenericParamList Type
428427

429428
ImplTraitType =
430429
'impl' TypeBoundList
@@ -433,7 +432,7 @@ DynTraitType =
433432
'dyn' TypeBoundList
434433

435434
TypeBoundList =
436-
bounds:(TypeBound ('+' TypeBound)* '+'?)
435+
bounds:(TypeBound ('+' TypeBound)* '+'?)
437436

438437
TypeBound =
439438
'lifetime'

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