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Add support for become expr/tail calls

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Maybe Waffle 2023-06-07 16:30:31 +00:00
parent 3bb8d3a32f
commit e146139957
16 changed files with 144 additions and 6 deletions
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34
crates/syntax/src/ast/generated/nodes.rs
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@ -1095,6 +1095,16 @@ impl ReturnExpr {
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct BecomeExpr {
pub(crate) syntax: SyntaxNode,
}
impl ast::HasAttrs for BecomeExpr {}
impl BecomeExpr {
pub fn become_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![become]) }
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct TryExpr {
pub(crate) syntax: SyntaxNode,
@ -1633,6 +1643,7 @@ pub enum Expr {
RecordExpr(RecordExpr),
RefExpr(RefExpr),
ReturnExpr(ReturnExpr),
BecomeExpr(BecomeExpr),
TryExpr(TryExpr),
TupleExpr(TupleExpr),
WhileExpr(WhileExpr),
@ -2792,6 +2803,17 @@ impl AstNode for ReturnExpr {
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for BecomeExpr {
fn can_cast(kind: SyntaxKind) -> bool { kind == BECOME_EXPR }
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for TryExpr {
fn can_cast(kind: SyntaxKind) -> bool { kind == TRY_EXPR }
fn cast(syntax: SyntaxNode) -> Option<Self> {
@ -3540,6 +3562,9 @@ impl From<RefExpr> for Expr {
impl From<ReturnExpr> for Expr {
fn from(node: ReturnExpr) -> Expr { Expr::ReturnExpr(node) }
}
impl From<BecomeExpr> for Expr {
fn from(node: BecomeExpr) -> Expr { Expr::BecomeExpr(node) }
}
impl From<TryExpr> for Expr {
fn from(node: TryExpr) -> Expr { Expr::TryExpr(node) }
}
@ -3593,6 +3618,7 @@ impl AstNode for Expr {
| RECORD_EXPR
| REF_EXPR
| RETURN_EXPR
| BECOME_EXPR
| TRY_EXPR
| TUPLE_EXPR
| WHILE_EXPR
@ -3632,6 +3658,7 @@ impl AstNode for Expr {
RECORD_EXPR => Expr::RecordExpr(RecordExpr { syntax }),
REF_EXPR => Expr::RefExpr(RefExpr { syntax }),
RETURN_EXPR => Expr::ReturnExpr(ReturnExpr { syntax }),
BECOME_EXPR => Expr::BecomeExpr(BecomeExpr { syntax }),
TRY_EXPR => Expr::TryExpr(TryExpr { syntax }),
TUPLE_EXPR => Expr::TupleExpr(TupleExpr { syntax }),
WHILE_EXPR => Expr::WhileExpr(WhileExpr { syntax }),
@ -3673,6 +3700,7 @@ impl AstNode for Expr {
Expr::RecordExpr(it) => &it.syntax,
Expr::RefExpr(it) => &it.syntax,
Expr::ReturnExpr(it) => &it.syntax,
Expr::BecomeExpr(it) => &it.syntax,
Expr::TryExpr(it) => &it.syntax,
Expr::TupleExpr(it) => &it.syntax,
Expr::WhileExpr(it) => &it.syntax,
@ -4150,6 +4178,7 @@ impl AstNode for AnyHasAttrs {
| RANGE_EXPR
| REF_EXPR
| RETURN_EXPR
| BECOME_EXPR
| TRY_EXPR
| TUPLE_EXPR
| WHILE_EXPR
@ -4851,6 +4880,11 @@ impl std::fmt::Display for ReturnExpr {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for BecomeExpr {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for TryExpr {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)