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Handwrite Stmt

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This commit is contained in:
Aleksey Kladov 2020-07-31 15:40:48 +02:00
parent 4d38b0dce1
commit a7ca6583fb
4 changed files with 62 additions and 52 deletions
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22
crates/ra_syntax/src/ast/generated/nodes.rs
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@ -3380,28 +3380,6 @@ impl From<LetStmt> for Stmt {
impl From<ExprStmt> for Stmt {
fn from(node: ExprStmt) -> Stmt { Stmt::ExprStmt(node) }
}
impl AstNode for Stmt {
fn can_cast(kind: SyntaxKind) -> bool {
match kind {
LET_STMT | EXPR_STMT => true,
_ => false,
}
}
fn cast(syntax: SyntaxNode) -> Option<Self> {
let res = match syntax.kind() {
LET_STMT => Stmt::LetStmt(LetStmt { syntax }),
EXPR_STMT => Stmt::ExprStmt(ExprStmt { syntax }),
_ => return None,
};
Some(res)
}
fn syntax(&self) -> &SyntaxNode {
match self {
Stmt::LetStmt(it) => &it.syntax,
Stmt::ExprStmt(it) => &it.syntax,
}
}
}
impl std::fmt::Display for Item {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(self.syntax(), f)