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Use struct init shorthand in fill struct fields assist

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This commit is contained in:
nathan.whitaker 2021-08-29 13:12:59 -04:00
parent 97409e5fc8
commit dcd4157420
1 changed files with 20 additions and 2 deletions
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22
crates/ide_diagnostics/src/handlers/missing_fields.rs
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@ -1,6 +1,7 @@
use either::Either;
use hir::{db::AstDatabase, InFile};
use ide_db::{assists::Assist, source_change::SourceChange};
use rustc_hash::FxHashMap;
use stdx::format_to;
use syntax::{algo, ast::make, AstNode, SyntaxNodePtr};
use text_edit::TextEdit;
@ -54,9 +55,26 @@ fn fixes(ctx: &DiagnosticsContext<'_>, d: &hir::MissingFields) -> Option<Vec<Ass
};
let old_field_list = field_list_parent.record_expr_field_list()?;
let new_field_list = old_field_list.clone_for_update();
for f in d.missed_fields.iter() {
let mut locals = FxHashMap::default();
ctx.sema.scope(field_list_parent.syntax()).process_all_names(&mut |name, def| {
if let hir::ScopeDef::Local(local) = def {
locals.insert(name.clone(), local);
}
});
let missing_fields = ctx.sema.record_literal_missing_fields(&field_list_parent);
for (f, ty) in missing_fields.iter() {
let field_expr = if let Some(local_candidate) = locals.get(&f.name(ctx.sema.db)) {
let candidate_ty = local_candidate.ty(ctx.sema.db);
if ty.could_unify_with(ctx.sema.db, &candidate_ty) {
None
} else {
Some(make::expr_unit())
}
} else {
Some(make::expr_unit())
};
let field =
make::record_expr_field(make::name_ref(&f.to_string()), Some(make::expr_unit()))
make::record_expr_field(make::name_ref(&f.name(ctx.sema.db).to_string()), field_expr)
.clone_for_update();
new_field_list.add_field(field);
}