crates/ide_completion/src/completions/macro_in_item_position.rs

   1 //! Completes macro invocations used in item position.
   2
   3 use crate::{CompletionContext, Completions};
   4
   5 pub(crate) fn complete_macro_in_item_position(acc: &mut Completions, ctx: &CompletionContext) {
   6     // Show only macros in top level.
   7     if !ctx.is_new_item {
   8         return;
   9     }
  10
  11     ctx.scope.process_all_names(&mut |name, res| {
  12         if let hir::ScopeDef::MacroDef(mac) = res {
  13             acc.add_macro(ctx, Some(name.to_string()), mac);
  14         }
  15     })
  16 }
  17
  18 #[cfg(test)]
  19 mod tests {
  20     use expect_test::{expect, Expect};
  21
  22     use crate::{test_utils::completion_list, CompletionKind};
  23
  24     fn check(ra_fixture: &str, expect: Expect) {
  25         let actual = completion_list(ra_fixture, CompletionKind::Reference);
  26         expect.assert_eq(&actual)
  27     }
  28
  29     #[test]
  30     fn completes_macros_as_item() {
  31         check(
  32             r#"
  33 macro_rules! foo { () => {} }
  34 fn foo() {}
  35
  36 $0
  37 "#,
  38             expect![[r#"
  39                 ma foo!(…) macro_rules! foo
  40             "#]],
  41         )
  42     }
  43 }