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Add support for yiled keyword

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This commit is contained in:
Daiki Ihara 2021-01-14 00:01:50 +09:00
parent d9b1fa6da3
commit 85cd3524e2
8 changed files with 95 additions and 27 deletions
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34
crates/syntax/src/ast/generated/nodes.rs
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@ -931,6 +931,15 @@ impl WhileExpr {
pub fn condition(&self) -> Option<Condition> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct YieldExpr {
pub(crate) syntax: SyntaxNode,
}
impl ast::AttrsOwner for YieldExpr {}
impl YieldExpr {
pub fn yield_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![yield]) }
pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Label {
pub(crate) syntax: SyntaxNode,
}
@ -1334,6 +1343,7 @@ pub enum Expr {
TryExpr(TryExpr),
TupleExpr(TupleExpr),
WhileExpr(WhileExpr),
YieldExpr(YieldExpr),
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum Item {
@ -2386,6 +2396,17 @@ impl AstNode for WhileExpr {
}
fn syntax(&self) -> &SyntaxNode { &self.syntax }
}
impl AstNode for YieldExpr {
fn can_cast(kind: SyntaxKind) -> bool { kind == YIELD_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 Label {
fn can_cast(kind: SyntaxKind) -> bool { kind == LABEL }
fn cast(syntax: SyntaxNode) -> Option<Self> {
@ -3028,6 +3049,9 @@ impl From<TupleExpr> for Expr {
impl From<WhileExpr> for Expr {
fn from(node: WhileExpr) -> Expr { Expr::WhileExpr(node) }
}
impl From<YieldExpr> for Expr {
fn from(node: YieldExpr) -> Expr { Expr::YieldExpr(node) }
}
impl AstNode for Expr {
fn can_cast(kind: SyntaxKind) -> bool {
match kind {
@ -3035,7 +3059,8 @@ impl AstNode for Expr {
| CAST_EXPR | CLOSURE_EXPR | CONTINUE_EXPR | EFFECT_EXPR | FIELD_EXPR | FOR_EXPR
| IF_EXPR | INDEX_EXPR | LITERAL | LOOP_EXPR | MACRO_CALL | MATCH_EXPR
| METHOD_CALL_EXPR | PAREN_EXPR | PATH_EXPR | PREFIX_EXPR | RANGE_EXPR
| RECORD_EXPR | REF_EXPR | RETURN_EXPR | TRY_EXPR | TUPLE_EXPR | WHILE_EXPR => true,
| RECORD_EXPR | REF_EXPR | RETURN_EXPR | TRY_EXPR | TUPLE_EXPR | WHILE_EXPR
| YIELD_EXPR => true,
_ => false,
}
}
@ -3071,6 +3096,7 @@ impl AstNode for Expr {
TRY_EXPR => Expr::TryExpr(TryExpr { syntax }),
TUPLE_EXPR => Expr::TupleExpr(TupleExpr { syntax }),
WHILE_EXPR => Expr::WhileExpr(WhileExpr { syntax }),
YIELD_EXPR => Expr::YieldExpr(YieldExpr { syntax }),
_ => return None,
};
Some(res)
@ -3107,6 +3133,7 @@ impl AstNode for Expr {
Expr::TryExpr(it) => &it.syntax,
Expr::TupleExpr(it) => &it.syntax,
Expr::WhileExpr(it) => &it.syntax,
Expr::YieldExpr(it) => &it.syntax,
}
}
}
@ -3983,6 +4010,11 @@ impl std::fmt::Display for WhileExpr {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for YieldExpr {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)
}
}
impl std::fmt::Display for Label {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)