src/tools/rust-analyzer/crates/ide-completion/src/completions/vis.rs

   1 //! Completion for visibility specifiers.
   2
   3 use crate::{
   4     context::{CompletionContext, PathCompletionCtx, Qualified},
   5     Completions,
   6 };
   7
   8 pub(crate) fn complete_vis_path(
   9     acc: &mut Completions,
  10     ctx: &CompletionContext<'_>,
  11     path_ctx @ PathCompletionCtx { qualified, .. }: &PathCompletionCtx,
  12     &has_in_token: &bool,
  13 ) {
  14     match qualified {
  15         Qualified::With {
  16             resolution: Some(hir::PathResolution::Def(hir::ModuleDef::Module(module))),
  17             super_chain_len,
  18             ..
  19         } => {
  20             // Try completing next child module of the path that is still a parent of the current module
  21             let next_towards_current =
  22                 ctx.module.path_to_root(ctx.db).into_iter().take_while(|it| it != module).last();
  23             if let Some(next) = next_towards_current {
  24                 if let Some(name) = next.name(ctx.db) {
  25                     cov_mark::hit!(visibility_qualified);
  26                     acc.add_module(ctx, path_ctx, next, name);
  27                 }
  28             }
  29
  30             acc.add_super_keyword(ctx, *super_chain_len);
  31         }
  32         Qualified::Absolute | Qualified::TypeAnchor { .. } | Qualified::With { .. } => {}
  33         Qualified::No => {
  34             if !has_in_token {
  35                 cov_mark::hit!(kw_completion_in);
  36                 acc.add_keyword(ctx, "in");
  37             }
  38             acc.add_nameref_keywords(ctx);
  39         }
  40     }
  41 }