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Record method resolution for call expressions

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This commit is contained in:
Lukas Wirth 2023-01-27 11:06:41 +01:00
parent 9814d79841
commit 54da0bfbf0
10 changed files with 119 additions and 77 deletions
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14
crates/hir-ty/src/infer/expr.rs
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@ -331,11 +331,18 @@ impl<'a> InferenceContext<'a> {
derefed_callee.callable_sig(self.db).map_or(false, |sig| sig.is_varargs)
|| res.is_none();
let (param_tys, ret_ty) = match res {
Some(res) => {
Some((func, params, ret_ty)) => {
let adjustments = auto_deref_adjust_steps(&derefs);
// FIXME: Handle call adjustments for Fn/FnMut
self.write_expr_adj(*callee, adjustments);
res
if let Some((trait_, func)) = func {
let subst = TyBuilder::subst_for_def(self.db, trait_, None)
.push(callee_ty.clone())
.push(TyBuilder::tuple_with(params.iter().cloned()))
.build();
self.write_method_resolution(tgt_expr, func, subst.clone());
}
(params, ret_ty)
}
None => (Vec::new(), self.err_ty()), // FIXME diagnostic
};
@ -586,6 +593,7 @@ impl<'a> InferenceContext<'a> {
self.resolve_associated_type(inner_ty, self.resolve_future_future_output())
}
Expr::Try { expr } => {
// FIXME: Note down method resolution her
let inner_ty = self.infer_expr_inner(*expr, &Expectation::none());
self.resolve_associated_type(inner_ty, self.resolve_ops_try_ok())
}
@ -626,6 +634,7 @@ impl<'a> InferenceContext<'a> {
Expr::UnaryOp { expr, op } => {
let inner_ty = self.infer_expr_inner(*expr, &Expectation::none());
let inner_ty = self.resolve_ty_shallow(&inner_ty);
// FIXME: Note down method resolution her
match op {
UnaryOp::Deref => {
autoderef::deref(&mut self.table, inner_ty).unwrap_or_else(|| self.err_ty())
@ -732,6 +741,7 @@ impl<'a> InferenceContext<'a> {
}
}
Expr::Index { base, index } => {
// FIXME: note down method resolution for the `index`/`index_mut` function
let base_ty = self.infer_expr_inner(*base, &Expectation::none());
let index_ty = self.infer_expr(*index, &Expectation::none());