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fix: Don't panic on broken syntax trees in adjustment inlay hints

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This commit is contained in:
Lukas Wirth 2023-02-06 12:38:57 +01:00
parent 0b32b65ca6
commit c6305c5659
1 changed files with 14 additions and 8 deletions
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22
crates/ide/src/inlay_hints/adjustment.rs
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@ -6,6 +6,7 @@
use hir::{Adjust, Adjustment, AutoBorrow, HirDisplay, Mutability, PointerCast, Safety, Semantics};
use ide_db::RootDatabase;
use stdx::never;
use syntax::{
ast::{self, make, AstNode},
ted,
@ -210,16 +211,21 @@ fn needs_parens_for_adjustment_hints(expr: &ast::Expr, postfix: bool) -> (bool,
ted::replace(expr.syntax(), dummy_expr.syntax());
let parent = dummy_expr.syntax().parent();
let expr = if postfix {
let ast::Expr::TryExpr(e) = &dummy_expr else { unreachable!() };
let Some(ast::Expr::ParenExpr(e)) = e.expr() else { unreachable!() };
let Some(expr) = (|| {
if postfix {
let ast::Expr::TryExpr(e) = &dummy_expr else { return None };
let Some(ast::Expr::ParenExpr(e)) = e.expr() else { return None };
e.expr().unwrap()
} else {
let ast::Expr::RefExpr(e) = &dummy_expr else { unreachable!() };
let Some(ast::Expr::ParenExpr(e)) = e.expr() else { unreachable!() };
e.expr()
} else {
let ast::Expr::RefExpr(e) = &dummy_expr else { return None };
let Some(ast::Expr::ParenExpr(e)) = e.expr() else { return None };
e.expr().unwrap()
e.expr()
}
})() else {
never!("broken syntax tree?\n{:?}\n{:?}", expr, dummy_expr);
return (true, true)
};
// At this point