1911 lines
50 KiB
Rust
1911 lines
50 KiB
Rust
//! `render` module provides utilities for rendering completion suggestions
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//! into code pieces that will be presented to user.
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pub(crate) mod macro_;
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pub(crate) mod function;
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pub(crate) mod const_;
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pub(crate) mod pattern;
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pub(crate) mod type_alias;
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pub(crate) mod variant;
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pub(crate) mod union_literal;
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pub(crate) mod literal;
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use hir::{AsAssocItem, HasAttrs, HirDisplay, ScopeDef};
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use ide_db::{
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helpers::item_name, imports::import_assets::LocatedImport, RootDatabase, SnippetCap, SymbolKind,
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};
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use syntax::{AstNode, SmolStr, SyntaxKind, TextRange};
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use crate::{
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context::{DotAccess, PathCompletionCtx, PathKind, PatternContext},
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item::{Builder, CompletionRelevanceTypeMatch},
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render::{
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function::render_fn,
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literal::render_variant_lit,
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macro_::{render_macro, render_macro_pat},
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},
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CompletionContext, CompletionItem, CompletionItemKind, CompletionRelevance,
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};
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/// Interface for data and methods required for items rendering.
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#[derive(Debug, Clone)]
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pub(crate) struct RenderContext<'a> {
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completion: &'a CompletionContext<'a>,
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is_private_editable: bool,
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import_to_add: Option<LocatedImport>,
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}
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impl<'a> RenderContext<'a> {
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pub(crate) fn new(completion: &'a CompletionContext<'a>) -> RenderContext<'a> {
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RenderContext { completion, is_private_editable: false, import_to_add: None }
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}
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pub(crate) fn private_editable(mut self, private_editable: bool) -> Self {
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self.is_private_editable = private_editable;
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self
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}
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pub(crate) fn import_to_add(mut self, import_to_add: Option<LocatedImport>) -> Self {
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self.import_to_add = import_to_add;
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self
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}
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fn snippet_cap(&self) -> Option<SnippetCap> {
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self.completion.config.snippet_cap
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}
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fn db(&self) -> &'a RootDatabase {
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self.completion.db
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}
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fn source_range(&self) -> TextRange {
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self.completion.source_range()
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}
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fn completion_relevance(&self) -> CompletionRelevance {
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CompletionRelevance {
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is_private_editable: self.is_private_editable,
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requires_import: self.import_to_add.is_some(),
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..Default::default()
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}
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}
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fn is_immediately_after_macro_bang(&self) -> bool {
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self.completion.token.kind() == SyntaxKind::BANG
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&& self
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.completion
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.token
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.parent()
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.map_or(false, |it| it.kind() == SyntaxKind::MACRO_CALL)
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}
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fn is_deprecated(&self, def: impl HasAttrs) -> bool {
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let attrs = def.attrs(self.db());
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attrs.by_key("deprecated").exists()
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}
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fn is_deprecated_assoc_item(&self, as_assoc_item: impl AsAssocItem) -> bool {
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let db = self.db();
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let assoc = match as_assoc_item.as_assoc_item(db) {
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Some(assoc) => assoc,
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None => return false,
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};
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let is_assoc_deprecated = match assoc {
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hir::AssocItem::Function(it) => self.is_deprecated(it),
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hir::AssocItem::Const(it) => self.is_deprecated(it),
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hir::AssocItem::TypeAlias(it) => self.is_deprecated(it),
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};
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is_assoc_deprecated
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|| assoc
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.containing_trait_or_trait_impl(db)
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.map(|trait_| self.is_deprecated(trait_))
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.unwrap_or(false)
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}
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// FIXME: remove this
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fn docs(&self, def: impl HasAttrs) -> Option<hir::Documentation> {
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def.docs(self.db())
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}
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}
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pub(crate) fn render_field(
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ctx: RenderContext<'_>,
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dot_access: &DotAccess,
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receiver: Option<hir::Name>,
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field: hir::Field,
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ty: &hir::Type,
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) -> CompletionItem {
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let is_deprecated = ctx.is_deprecated(field);
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let name = field.name(ctx.db());
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let (name, escaped_name) = (name.to_smol_str(), name.escaped().to_smol_str());
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let mut item = CompletionItem::new(
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SymbolKind::Field,
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ctx.source_range(),
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field_with_receiver(receiver.as_ref(), &name),
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);
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item.set_relevance(CompletionRelevance {
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type_match: compute_type_match(ctx.completion, ty),
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exact_name_match: compute_exact_name_match(ctx.completion, name.as_str()),
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..CompletionRelevance::default()
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});
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item.detail(ty.display(ctx.db()).to_string())
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.set_documentation(field.docs(ctx.db()))
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.set_deprecated(is_deprecated)
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.lookup_by(name.clone());
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item.insert_text(field_with_receiver(receiver.as_ref(), &escaped_name));
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if let Some(receiver) = &dot_access.receiver {
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if let Some(original) = ctx.completion.sema.original_ast_node(receiver.clone()) {
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if let Some(ref_match) = compute_ref_match(ctx.completion, ty) {
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item.ref_match(ref_match, original.syntax().text_range().start());
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}
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}
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}
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item.build()
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}
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fn field_with_receiver(receiver: Option<&hir::Name>, field_name: &str) -> SmolStr {
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receiver
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.map_or_else(|| field_name.into(), |receiver| format!("{}.{}", receiver, field_name).into())
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}
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pub(crate) fn render_tuple_field(
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ctx: RenderContext<'_>,
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receiver: Option<hir::Name>,
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field: usize,
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ty: &hir::Type,
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) -> CompletionItem {
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let mut item = CompletionItem::new(
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SymbolKind::Field,
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ctx.source_range(),
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field_with_receiver(receiver.as_ref(), &field.to_string()),
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);
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item.detail(ty.display(ctx.db()).to_string()).lookup_by(field.to_string());
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item.build()
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}
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pub(crate) fn render_type_inference(
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ty_string: String,
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ctx: &CompletionContext<'_>,
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) -> CompletionItem {
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let mut builder =
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CompletionItem::new(CompletionItemKind::InferredType, ctx.source_range(), ty_string);
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builder.set_relevance(CompletionRelevance { is_definite: true, ..Default::default() });
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builder.build()
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}
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pub(crate) fn render_path_resolution(
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ctx: RenderContext<'_>,
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path_ctx: &PathCompletionCtx,
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local_name: hir::Name,
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resolution: ScopeDef,
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) -> Builder {
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render_resolution_path(ctx, path_ctx, local_name, None, resolution)
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}
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pub(crate) fn render_pattern_resolution(
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ctx: RenderContext<'_>,
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pattern_ctx: &PatternContext,
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local_name: hir::Name,
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resolution: ScopeDef,
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) -> Builder {
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render_resolution_pat(ctx, pattern_ctx, local_name, None, resolution)
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}
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pub(crate) fn render_resolution_with_import(
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ctx: RenderContext<'_>,
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path_ctx: &PathCompletionCtx,
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import_edit: LocatedImport,
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) -> Option<Builder> {
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let resolution = ScopeDef::from(import_edit.original_item);
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let local_name = scope_def_to_name(resolution, &ctx, &import_edit)?;
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Some(render_resolution_path(ctx, path_ctx, local_name, Some(import_edit), resolution))
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}
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pub(crate) fn render_resolution_with_import_pat(
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ctx: RenderContext<'_>,
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pattern_ctx: &PatternContext,
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import_edit: LocatedImport,
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) -> Option<Builder> {
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let resolution = ScopeDef::from(import_edit.original_item);
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let local_name = scope_def_to_name(resolution, &ctx, &import_edit)?;
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Some(render_resolution_pat(ctx, pattern_ctx, local_name, Some(import_edit), resolution))
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}
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fn scope_def_to_name(
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resolution: ScopeDef,
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ctx: &RenderContext<'_>,
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import_edit: &LocatedImport,
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) -> Option<hir::Name> {
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Some(match resolution {
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ScopeDef::ModuleDef(hir::ModuleDef::Function(f)) => f.name(ctx.completion.db),
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ScopeDef::ModuleDef(hir::ModuleDef::Const(c)) => c.name(ctx.completion.db)?,
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ScopeDef::ModuleDef(hir::ModuleDef::TypeAlias(t)) => t.name(ctx.completion.db),
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_ => item_name(ctx.db(), import_edit.original_item)?,
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})
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}
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fn render_resolution_pat(
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ctx: RenderContext<'_>,
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pattern_ctx: &PatternContext,
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local_name: hir::Name,
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import_to_add: Option<LocatedImport>,
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resolution: ScopeDef,
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) -> Builder {
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let _p = profile::span("render_resolution");
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use hir::ModuleDef::*;
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match resolution {
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ScopeDef::ModuleDef(Macro(mac)) => {
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let ctx = ctx.import_to_add(import_to_add);
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return render_macro_pat(ctx, pattern_ctx, local_name, mac);
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}
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_ => (),
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}
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render_resolution_simple_(ctx, &local_name, import_to_add, resolution)
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}
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fn render_resolution_path(
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ctx: RenderContext<'_>,
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path_ctx: &PathCompletionCtx,
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local_name: hir::Name,
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import_to_add: Option<LocatedImport>,
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resolution: ScopeDef,
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) -> Builder {
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let _p = profile::span("render_resolution");
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use hir::ModuleDef::*;
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match resolution {
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ScopeDef::ModuleDef(Macro(mac)) => {
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let ctx = ctx.import_to_add(import_to_add);
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return render_macro(ctx, path_ctx, local_name, mac);
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}
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ScopeDef::ModuleDef(Function(func)) => {
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let ctx = ctx.import_to_add(import_to_add);
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return render_fn(ctx, path_ctx, Some(local_name), func);
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}
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ScopeDef::ModuleDef(Variant(var)) => {
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let ctx = ctx.clone().import_to_add(import_to_add.clone());
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if let Some(item) =
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render_variant_lit(ctx, path_ctx, Some(local_name.clone()), var, None)
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{
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return item;
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}
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}
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_ => (),
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}
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let completion = ctx.completion;
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let cap = ctx.snippet_cap();
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let db = completion.db;
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let config = completion.config;
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let name = local_name.to_smol_str();
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let mut item = render_resolution_simple_(ctx, &local_name, import_to_add, resolution);
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if local_name.escaped().is_escaped() {
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item.insert_text(local_name.escaped().to_smol_str());
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}
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// Add `<>` for generic types
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let type_path_no_ty_args = matches!(
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path_ctx,
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PathCompletionCtx { kind: PathKind::Type { .. }, has_type_args: false, .. }
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) && config.callable.is_some();
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if type_path_no_ty_args {
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if let Some(cap) = cap {
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let has_non_default_type_params = match resolution {
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ScopeDef::ModuleDef(hir::ModuleDef::Adt(it)) => it.has_non_default_type_params(db),
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ScopeDef::ModuleDef(hir::ModuleDef::TypeAlias(it)) => {
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it.has_non_default_type_params(db)
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}
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_ => false,
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};
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if has_non_default_type_params {
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cov_mark::hit!(inserts_angle_brackets_for_generics);
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item.lookup_by(name.clone())
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.label(SmolStr::from_iter([&name, "<…>"]))
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.trigger_call_info()
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.insert_snippet(cap, format!("{}<$0>", local_name.escaped()));
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}
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}
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}
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if let ScopeDef::Local(local) = resolution {
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let ty = local.ty(db);
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if !ty.is_unknown() {
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item.detail(ty.display(db).to_string());
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}
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item.set_relevance(CompletionRelevance {
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type_match: compute_type_match(completion, &ty),
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exact_name_match: compute_exact_name_match(completion, &name),
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is_local: true,
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..CompletionRelevance::default()
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});
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if let Some(ref_match) = compute_ref_match(completion, &ty) {
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item.ref_match(ref_match, path_ctx.path.syntax().text_range().start());
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}
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};
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item
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}
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fn render_resolution_simple_(
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ctx: RenderContext<'_>,
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local_name: &hir::Name,
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import_to_add: Option<LocatedImport>,
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resolution: ScopeDef,
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) -> Builder {
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let _p = profile::span("render_resolution");
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let db = ctx.db();
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let ctx = ctx.import_to_add(import_to_add);
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let kind = res_to_kind(resolution);
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let mut item = CompletionItem::new(kind, ctx.source_range(), local_name.to_smol_str());
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item.set_relevance(ctx.completion_relevance())
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.set_documentation(scope_def_docs(db, resolution))
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.set_deprecated(scope_def_is_deprecated(&ctx, resolution));
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if let Some(import_to_add) = ctx.import_to_add {
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item.add_import(import_to_add);
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}
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item
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}
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fn res_to_kind(resolution: ScopeDef) -> CompletionItemKind {
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use hir::ModuleDef::*;
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match resolution {
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ScopeDef::Unknown => CompletionItemKind::UnresolvedReference,
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ScopeDef::ModuleDef(Function(_)) => CompletionItemKind::SymbolKind(SymbolKind::Function),
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ScopeDef::ModuleDef(Variant(_)) => CompletionItemKind::SymbolKind(SymbolKind::Variant),
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ScopeDef::ModuleDef(Macro(_)) => CompletionItemKind::SymbolKind(SymbolKind::Macro),
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ScopeDef::ModuleDef(Module(..)) => CompletionItemKind::SymbolKind(SymbolKind::Module),
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ScopeDef::ModuleDef(Adt(adt)) => CompletionItemKind::SymbolKind(match adt {
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hir::Adt::Struct(_) => SymbolKind::Struct,
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hir::Adt::Union(_) => SymbolKind::Union,
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hir::Adt::Enum(_) => SymbolKind::Enum,
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}),
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ScopeDef::ModuleDef(Const(..)) => CompletionItemKind::SymbolKind(SymbolKind::Const),
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ScopeDef::ModuleDef(Static(..)) => CompletionItemKind::SymbolKind(SymbolKind::Static),
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ScopeDef::ModuleDef(Trait(..)) => CompletionItemKind::SymbolKind(SymbolKind::Trait),
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ScopeDef::ModuleDef(TypeAlias(..)) => CompletionItemKind::SymbolKind(SymbolKind::TypeAlias),
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ScopeDef::ModuleDef(BuiltinType(..)) => CompletionItemKind::BuiltinType,
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ScopeDef::GenericParam(param) => CompletionItemKind::SymbolKind(match param {
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hir::GenericParam::TypeParam(_) => SymbolKind::TypeParam,
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hir::GenericParam::ConstParam(_) => SymbolKind::ConstParam,
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hir::GenericParam::LifetimeParam(_) => SymbolKind::LifetimeParam,
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}),
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ScopeDef::Local(..) => CompletionItemKind::SymbolKind(SymbolKind::Local),
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ScopeDef::Label(..) => CompletionItemKind::SymbolKind(SymbolKind::Label),
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ScopeDef::AdtSelfType(..) | ScopeDef::ImplSelfType(..) => {
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CompletionItemKind::SymbolKind(SymbolKind::SelfParam)
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}
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}
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}
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fn scope_def_docs(db: &RootDatabase, resolution: ScopeDef) -> Option<hir::Documentation> {
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use hir::ModuleDef::*;
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match resolution {
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ScopeDef::ModuleDef(Module(it)) => it.docs(db),
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ScopeDef::ModuleDef(Adt(it)) => it.docs(db),
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ScopeDef::ModuleDef(Variant(it)) => it.docs(db),
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ScopeDef::ModuleDef(Const(it)) => it.docs(db),
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ScopeDef::ModuleDef(Static(it)) => it.docs(db),
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ScopeDef::ModuleDef(Trait(it)) => it.docs(db),
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ScopeDef::ModuleDef(TypeAlias(it)) => it.docs(db),
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_ => None,
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}
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}
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fn scope_def_is_deprecated(ctx: &RenderContext<'_>, resolution: ScopeDef) -> bool {
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match resolution {
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ScopeDef::ModuleDef(it) => ctx.is_deprecated_assoc_item(it),
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ScopeDef::GenericParam(it) => ctx.is_deprecated(it),
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ScopeDef::AdtSelfType(it) => ctx.is_deprecated(it),
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_ => false,
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}
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}
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fn compute_type_match(
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ctx: &CompletionContext<'_>,
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completion_ty: &hir::Type,
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) -> Option<CompletionRelevanceTypeMatch> {
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let expected_type = ctx.expected_type.as_ref()?;
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// We don't ever consider unit type to be an exact type match, since
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// nearly always this is not meaningful to the user.
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if expected_type.is_unit() {
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return None;
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}
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if completion_ty == expected_type {
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Some(CompletionRelevanceTypeMatch::Exact)
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} else if expected_type.could_unify_with(ctx.db, completion_ty) {
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Some(CompletionRelevanceTypeMatch::CouldUnify)
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} else {
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None
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}
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}
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fn compute_exact_name_match(ctx: &CompletionContext<'_>, completion_name: &str) -> bool {
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ctx.expected_name.as_ref().map_or(false, |name| name.text() == completion_name)
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}
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fn compute_ref_match(
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ctx: &CompletionContext<'_>,
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completion_ty: &hir::Type,
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) -> Option<hir::Mutability> {
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let expected_type = ctx.expected_type.as_ref()?;
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if completion_ty != expected_type {
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let expected_type_without_ref = expected_type.remove_ref()?;
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if completion_ty.autoderef(ctx.db).any(|deref_ty| deref_ty == expected_type_without_ref) {
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cov_mark::hit!(suggest_ref);
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let mutability = if expected_type.is_mutable_reference() {
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hir::Mutability::Mut
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} else {
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hir::Mutability::Shared
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};
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return Some(mutability);
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};
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}
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None
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}
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#[cfg(test)]
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mod tests {
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use std::cmp;
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use expect_test::{expect, Expect};
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use ide_db::SymbolKind;
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use itertools::Itertools;
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use crate::{
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item::CompletionRelevanceTypeMatch,
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tests::{check_edit, do_completion, get_all_items, TEST_CONFIG},
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CompletionItem, CompletionItemKind, CompletionRelevance, CompletionRelevancePostfixMatch,
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};
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#[track_caller]
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fn check(ra_fixture: &str, kind: impl Into<CompletionItemKind>, expect: Expect) {
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|
let actual = do_completion(ra_fixture, kind.into());
|
|
expect.assert_debug_eq(&actual);
|
|
}
|
|
|
|
#[track_caller]
|
|
fn check_kinds(ra_fixture: &str, kinds: &[CompletionItemKind], expect: Expect) {
|
|
let actual: Vec<_> =
|
|
kinds.iter().flat_map(|&kind| do_completion(ra_fixture, kind)).collect();
|
|
expect.assert_debug_eq(&actual);
|
|
}
|
|
|
|
#[track_caller]
|
|
fn check_relevance_for_kinds(ra_fixture: &str, kinds: &[CompletionItemKind], expect: Expect) {
|
|
let mut actual = get_all_items(TEST_CONFIG, ra_fixture, None);
|
|
actual.retain(|it| kinds.contains(&it.kind()));
|
|
actual.sort_by_key(|it| cmp::Reverse(it.relevance().score()));
|
|
check_relevance_(actual, expect);
|
|
}
|
|
|
|
#[track_caller]
|
|
fn check_relevance(ra_fixture: &str, expect: Expect) {
|
|
let mut actual = get_all_items(TEST_CONFIG, ra_fixture, None);
|
|
actual.retain(|it| it.kind() != CompletionItemKind::Snippet);
|
|
actual.retain(|it| it.kind() != CompletionItemKind::Keyword);
|
|
actual.retain(|it| it.kind() != CompletionItemKind::BuiltinType);
|
|
actual.sort_by_key(|it| cmp::Reverse(it.relevance().score()));
|
|
check_relevance_(actual, expect);
|
|
}
|
|
|
|
#[track_caller]
|
|
fn check_relevance_(actual: Vec<CompletionItem>, expect: Expect) {
|
|
let actual = actual
|
|
.into_iter()
|
|
.flat_map(|it| {
|
|
let mut items = vec![];
|
|
|
|
let tag = it.kind().tag();
|
|
let relevance = display_relevance(it.relevance());
|
|
items.push(format!("{} {} {}\n", tag, it.label(), relevance));
|
|
|
|
if let Some((mutability, _offset, relevance)) = it.ref_match() {
|
|
let label = format!("&{}{}", mutability.as_keyword_for_ref(), it.label());
|
|
let relevance = display_relevance(relevance);
|
|
|
|
items.push(format!("{} {} {}\n", tag, label, relevance));
|
|
}
|
|
|
|
items
|
|
})
|
|
.collect::<String>();
|
|
|
|
expect.assert_eq(&actual);
|
|
|
|
fn display_relevance(relevance: CompletionRelevance) -> String {
|
|
let relevance_factors = vec![
|
|
(relevance.type_match == Some(CompletionRelevanceTypeMatch::Exact), "type"),
|
|
(
|
|
relevance.type_match == Some(CompletionRelevanceTypeMatch::CouldUnify),
|
|
"type_could_unify",
|
|
),
|
|
(relevance.exact_name_match, "name"),
|
|
(relevance.is_local, "local"),
|
|
(
|
|
relevance.postfix_match == Some(CompletionRelevancePostfixMatch::Exact),
|
|
"snippet",
|
|
),
|
|
(relevance.is_op_method, "op_method"),
|
|
(relevance.requires_import, "requires_import"),
|
|
]
|
|
.into_iter()
|
|
.filter_map(|(cond, desc)| if cond { Some(desc) } else { None })
|
|
.join("+");
|
|
|
|
format!("[{}]", relevance_factors)
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn enum_detail_includes_record_fields() {
|
|
check(
|
|
r#"
|
|
enum Foo { Foo { x: i32, y: i32 } }
|
|
|
|
fn main() { Foo::Fo$0 }
|
|
"#,
|
|
SymbolKind::Variant,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "Foo {…}",
|
|
source_range: 54..56,
|
|
delete: 54..56,
|
|
insert: "Foo { x: ${1:()}, y: ${2:()} }$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
detail: "Foo { x: i32, y: i32 }",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn enum_detail_includes_tuple_fields() {
|
|
check(
|
|
r#"
|
|
enum Foo { Foo (i32, i32) }
|
|
|
|
fn main() { Foo::Fo$0 }
|
|
"#,
|
|
SymbolKind::Variant,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "Foo(…)",
|
|
source_range: 46..48,
|
|
delete: 46..48,
|
|
insert: "Foo(${1:()}, ${2:()})$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
detail: "Foo(i32, i32)",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn fn_detail_includes_args_and_return_type() {
|
|
check(
|
|
r#"
|
|
fn foo<T>(a: u32, b: u32, t: T) -> (u32, T) { (a, t) }
|
|
|
|
fn main() { fo$0 }
|
|
"#,
|
|
SymbolKind::Function,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "foo(…)",
|
|
source_range: 68..70,
|
|
delete: 68..70,
|
|
insert: "foo(${1:a}, ${2:b}, ${3:t})$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "foo",
|
|
detail: "fn(u32, u32, T) -> (u32, T)",
|
|
trigger_call_info: true,
|
|
},
|
|
CompletionItem {
|
|
label: "main()",
|
|
source_range: 68..70,
|
|
delete: 68..70,
|
|
insert: "main()$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "main",
|
|
detail: "fn()",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn enum_detail_just_name_for_unit() {
|
|
check(
|
|
r#"
|
|
enum Foo { Foo }
|
|
|
|
fn main() { Foo::Fo$0 }
|
|
"#,
|
|
SymbolKind::Variant,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "Foo",
|
|
source_range: 35..37,
|
|
delete: 35..37,
|
|
insert: "Foo$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
detail: "Foo",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn lookup_enums_by_two_qualifiers() {
|
|
check_kinds(
|
|
r#"
|
|
mod m {
|
|
pub enum Spam { Foo, Bar(i32) }
|
|
}
|
|
fn main() { let _: m::Spam = S$0 }
|
|
"#,
|
|
&[
|
|
CompletionItemKind::SymbolKind(SymbolKind::Function),
|
|
CompletionItemKind::SymbolKind(SymbolKind::Module),
|
|
CompletionItemKind::SymbolKind(SymbolKind::Variant),
|
|
],
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "main()",
|
|
source_range: 75..76,
|
|
delete: 75..76,
|
|
insert: "main()$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "main",
|
|
detail: "fn()",
|
|
},
|
|
CompletionItem {
|
|
label: "m",
|
|
source_range: 75..76,
|
|
delete: 75..76,
|
|
insert: "m",
|
|
kind: SymbolKind(
|
|
Module,
|
|
),
|
|
},
|
|
CompletionItem {
|
|
label: "m::Spam::Bar(…)",
|
|
source_range: 75..76,
|
|
delete: 75..76,
|
|
insert: "m::Spam::Bar(${1:()})$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
lookup: "Spam::Bar(…)",
|
|
detail: "m::Spam::Bar(i32)",
|
|
relevance: CompletionRelevance {
|
|
exact_name_match: false,
|
|
type_match: Some(
|
|
Exact,
|
|
),
|
|
is_local: false,
|
|
is_item_from_trait: false,
|
|
is_name_already_imported: false,
|
|
requires_import: false,
|
|
is_op_method: false,
|
|
is_private_editable: false,
|
|
postfix_match: None,
|
|
is_definite: false,
|
|
},
|
|
},
|
|
CompletionItem {
|
|
label: "m::Spam::Foo",
|
|
source_range: 75..76,
|
|
delete: 75..76,
|
|
insert: "m::Spam::Foo$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
lookup: "Spam::Foo",
|
|
detail: "m::Spam::Foo",
|
|
relevance: CompletionRelevance {
|
|
exact_name_match: false,
|
|
type_match: Some(
|
|
Exact,
|
|
),
|
|
is_local: false,
|
|
is_item_from_trait: false,
|
|
is_name_already_imported: false,
|
|
requires_import: false,
|
|
is_op_method: false,
|
|
is_private_editable: false,
|
|
postfix_match: None,
|
|
is_definite: false,
|
|
},
|
|
},
|
|
]
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn sets_deprecated_flag_in_items() {
|
|
check(
|
|
r#"
|
|
#[deprecated]
|
|
fn something_deprecated() {}
|
|
|
|
fn main() { som$0 }
|
|
"#,
|
|
SymbolKind::Function,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "main()",
|
|
source_range: 56..59,
|
|
delete: 56..59,
|
|
insert: "main()$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "main",
|
|
detail: "fn()",
|
|
},
|
|
CompletionItem {
|
|
label: "something_deprecated()",
|
|
source_range: 56..59,
|
|
delete: 56..59,
|
|
insert: "something_deprecated()$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "something_deprecated",
|
|
detail: "fn()",
|
|
deprecated: true,
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
|
|
check(
|
|
r#"
|
|
struct A { #[deprecated] the_field: u32 }
|
|
fn foo() { A { the$0 } }
|
|
"#,
|
|
SymbolKind::Field,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "the_field",
|
|
source_range: 57..60,
|
|
delete: 57..60,
|
|
insert: "the_field",
|
|
kind: SymbolKind(
|
|
Field,
|
|
),
|
|
detail: "u32",
|
|
deprecated: true,
|
|
relevance: CompletionRelevance {
|
|
exact_name_match: false,
|
|
type_match: Some(
|
|
CouldUnify,
|
|
),
|
|
is_local: false,
|
|
is_item_from_trait: false,
|
|
is_name_already_imported: false,
|
|
requires_import: false,
|
|
is_op_method: false,
|
|
is_private_editable: false,
|
|
postfix_match: None,
|
|
is_definite: false,
|
|
},
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn renders_docs() {
|
|
check_kinds(
|
|
r#"
|
|
struct S {
|
|
/// Field docs
|
|
foo:
|
|
}
|
|
impl S {
|
|
/// Method docs
|
|
fn bar(self) { self.$0 }
|
|
}"#,
|
|
&[CompletionItemKind::Method, CompletionItemKind::SymbolKind(SymbolKind::Field)],
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "bar()",
|
|
source_range: 94..94,
|
|
delete: 94..94,
|
|
insert: "bar()$0",
|
|
kind: Method,
|
|
lookup: "bar",
|
|
detail: "fn(self)",
|
|
documentation: Documentation(
|
|
"Method docs",
|
|
),
|
|
},
|
|
CompletionItem {
|
|
label: "foo",
|
|
source_range: 94..94,
|
|
delete: 94..94,
|
|
insert: "foo",
|
|
kind: SymbolKind(
|
|
Field,
|
|
),
|
|
detail: "{unknown}",
|
|
documentation: Documentation(
|
|
"Field docs",
|
|
),
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
|
|
check_kinds(
|
|
r#"
|
|
use self::my$0;
|
|
|
|
/// mod docs
|
|
mod my { }
|
|
|
|
/// enum docs
|
|
enum E {
|
|
/// variant docs
|
|
V
|
|
}
|
|
use self::E::*;
|
|
"#,
|
|
&[
|
|
CompletionItemKind::SymbolKind(SymbolKind::Module),
|
|
CompletionItemKind::SymbolKind(SymbolKind::Variant),
|
|
CompletionItemKind::SymbolKind(SymbolKind::Enum),
|
|
],
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "my",
|
|
source_range: 10..12,
|
|
delete: 10..12,
|
|
insert: "my",
|
|
kind: SymbolKind(
|
|
Module,
|
|
),
|
|
documentation: Documentation(
|
|
"mod docs",
|
|
),
|
|
},
|
|
CompletionItem {
|
|
label: "V",
|
|
source_range: 10..12,
|
|
delete: 10..12,
|
|
insert: "V$0",
|
|
kind: SymbolKind(
|
|
Variant,
|
|
),
|
|
detail: "V",
|
|
documentation: Documentation(
|
|
"variant docs",
|
|
),
|
|
},
|
|
CompletionItem {
|
|
label: "E",
|
|
source_range: 10..12,
|
|
delete: 10..12,
|
|
insert: "E",
|
|
kind: SymbolKind(
|
|
Enum,
|
|
),
|
|
documentation: Documentation(
|
|
"enum docs",
|
|
),
|
|
},
|
|
]
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn dont_render_attrs() {
|
|
check(
|
|
r#"
|
|
struct S;
|
|
impl S {
|
|
#[inline]
|
|
fn the_method(&self) { }
|
|
}
|
|
fn foo(s: S) { s.$0 }
|
|
"#,
|
|
CompletionItemKind::Method,
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "the_method()",
|
|
source_range: 81..81,
|
|
delete: 81..81,
|
|
insert: "the_method()$0",
|
|
kind: Method,
|
|
lookup: "the_method",
|
|
detail: "fn(&self)",
|
|
},
|
|
]
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn no_call_parens_if_fn_ptr_needed() {
|
|
cov_mark::check!(no_call_parens_if_fn_ptr_needed);
|
|
check_edit(
|
|
"foo",
|
|
r#"
|
|
fn foo(foo: u8, bar: u8) {}
|
|
struct ManualVtable { f: fn(u8, u8) }
|
|
|
|
fn main() -> ManualVtable {
|
|
ManualVtable { f: f$0 }
|
|
}
|
|
"#,
|
|
r#"
|
|
fn foo(foo: u8, bar: u8) {}
|
|
struct ManualVtable { f: fn(u8, u8) }
|
|
|
|
fn main() -> ManualVtable {
|
|
ManualVtable { f: foo }
|
|
}
|
|
"#,
|
|
);
|
|
check_edit(
|
|
"type",
|
|
r#"
|
|
struct RawIdentTable { r#type: u32 }
|
|
|
|
fn main() -> RawIdentTable {
|
|
RawIdentTable { t$0: 42 }
|
|
}
|
|
"#,
|
|
r#"
|
|
struct RawIdentTable { r#type: u32 }
|
|
|
|
fn main() -> RawIdentTable {
|
|
RawIdentTable { r#type: 42 }
|
|
}
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn no_parens_in_use_item() {
|
|
check_edit(
|
|
"foo",
|
|
r#"
|
|
mod m { pub fn foo() {} }
|
|
use crate::m::f$0;
|
|
"#,
|
|
r#"
|
|
mod m { pub fn foo() {} }
|
|
use crate::m::foo;
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn no_parens_in_call() {
|
|
check_edit(
|
|
"foo",
|
|
r#"
|
|
fn foo(x: i32) {}
|
|
fn main() { f$0(); }
|
|
"#,
|
|
r#"
|
|
fn foo(x: i32) {}
|
|
fn main() { foo(); }
|
|
"#,
|
|
);
|
|
check_edit(
|
|
"foo",
|
|
r#"
|
|
struct Foo;
|
|
impl Foo { fn foo(&self){} }
|
|
fn f(foo: &Foo) { foo.f$0(); }
|
|
"#,
|
|
r#"
|
|
struct Foo;
|
|
impl Foo { fn foo(&self){} }
|
|
fn f(foo: &Foo) { foo.foo(); }
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn inserts_angle_brackets_for_generics() {
|
|
cov_mark::check!(inserts_angle_brackets_for_generics);
|
|
check_edit(
|
|
"Vec",
|
|
r#"
|
|
struct Vec<T> {}
|
|
fn foo(xs: Ve$0)
|
|
"#,
|
|
r#"
|
|
struct Vec<T> {}
|
|
fn foo(xs: Vec<$0>)
|
|
"#,
|
|
);
|
|
check_edit(
|
|
"Vec",
|
|
r#"
|
|
type Vec<T> = (T,);
|
|
fn foo(xs: Ve$0)
|
|
"#,
|
|
r#"
|
|
type Vec<T> = (T,);
|
|
fn foo(xs: Vec<$0>)
|
|
"#,
|
|
);
|
|
check_edit(
|
|
"Vec",
|
|
r#"
|
|
struct Vec<T = i128> {}
|
|
fn foo(xs: Ve$0)
|
|
"#,
|
|
r#"
|
|
struct Vec<T = i128> {}
|
|
fn foo(xs: Vec)
|
|
"#,
|
|
);
|
|
check_edit(
|
|
"Vec",
|
|
r#"
|
|
struct Vec<T> {}
|
|
fn foo(xs: Ve$0<i128>)
|
|
"#,
|
|
r#"
|
|
struct Vec<T> {}
|
|
fn foo(xs: Vec<i128>)
|
|
"#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn active_param_relevance() {
|
|
check_relevance(
|
|
r#"
|
|
struct S { foo: i64, bar: u32, baz: u32 }
|
|
fn test(bar: u32) { }
|
|
fn foo(s: S) { test(s.$0) }
|
|
"#,
|
|
expect![[r#"
|
|
fd bar [type+name]
|
|
fd baz [type]
|
|
fd foo []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn record_field_relevances() {
|
|
check_relevance(
|
|
r#"
|
|
struct A { foo: i64, bar: u32, baz: u32 }
|
|
struct B { x: (), y: f32, bar: u32 }
|
|
fn foo(a: A) { B { bar: a.$0 }; }
|
|
"#,
|
|
expect![[r#"
|
|
fd bar [type+name]
|
|
fd baz [type]
|
|
fd foo []
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn record_field_and_call_relevances() {
|
|
check_relevance(
|
|
r#"
|
|
struct A { foo: i64, bar: u32, baz: u32 }
|
|
struct B { x: (), y: f32, bar: u32 }
|
|
fn f(foo: i64) { }
|
|
fn foo(a: A) { B { bar: f(a.$0) }; }
|
|
"#,
|
|
expect![[r#"
|
|
fd foo [type+name]
|
|
fd bar []
|
|
fd baz []
|
|
"#]],
|
|
);
|
|
check_relevance(
|
|
r#"
|
|
struct A { foo: i64, bar: u32, baz: u32 }
|
|
struct B { x: (), y: f32, bar: u32 }
|
|
fn f(foo: i64) { }
|
|
fn foo(a: A) { f(B { bar: a.$0 }); }
|
|
"#,
|
|
expect![[r#"
|
|
fd bar [type+name]
|
|
fd baz [type]
|
|
fd foo []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn prioritize_exact_ref_match() {
|
|
check_relevance(
|
|
r#"
|
|
struct WorldSnapshot { _f: () };
|
|
fn go(world: &WorldSnapshot) { go(w$0) }
|
|
"#,
|
|
expect![[r#"
|
|
lc world [type+name+local]
|
|
st WorldSnapshot {…} []
|
|
st &WorldSnapshot {…} [type]
|
|
st WorldSnapshot []
|
|
fn go(…) []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn too_many_arguments() {
|
|
cov_mark::check!(too_many_arguments);
|
|
check_relevance(
|
|
r#"
|
|
struct Foo;
|
|
fn f(foo: &Foo) { f(foo, w$0) }
|
|
"#,
|
|
expect![[r#"
|
|
lc foo [local]
|
|
st Foo []
|
|
fn f(…) []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn score_fn_type_and_name_match() {
|
|
check_relevance(
|
|
r#"
|
|
struct A { bar: u8 }
|
|
fn baz() -> u8 { 0 }
|
|
fn bar() -> u8 { 0 }
|
|
fn f() { A { bar: b$0 }; }
|
|
"#,
|
|
expect![[r#"
|
|
fn bar() [type+name]
|
|
fn baz() [type]
|
|
st A []
|
|
fn f() []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn score_method_type_and_name_match() {
|
|
check_relevance(
|
|
r#"
|
|
fn baz(aaa: u32){}
|
|
struct Foo;
|
|
impl Foo {
|
|
fn aaa(&self) -> u32 { 0 }
|
|
fn bbb(&self) -> u32 { 0 }
|
|
fn ccc(&self) -> u64 { 0 }
|
|
}
|
|
fn f() {
|
|
baz(Foo.$0
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
me aaa() [type+name]
|
|
me bbb() [type]
|
|
me ccc() []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn score_method_name_match_only() {
|
|
check_relevance(
|
|
r#"
|
|
fn baz(aaa: u32){}
|
|
struct Foo;
|
|
impl Foo {
|
|
fn aaa(&self) -> u64 { 0 }
|
|
}
|
|
fn f() {
|
|
baz(Foo.$0
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
me aaa() [name]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn suggest_ref_mut() {
|
|
cov_mark::check!(suggest_ref);
|
|
check_relevance(
|
|
r#"
|
|
struct S;
|
|
fn foo(s: &mut S) {}
|
|
fn main() {
|
|
let mut s = S;
|
|
foo($0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc s [name+local]
|
|
lc &mut s [type+name+local]
|
|
st S []
|
|
st &mut S [type]
|
|
st S []
|
|
fn main() []
|
|
fn foo(…) []
|
|
"#]],
|
|
);
|
|
check_relevance(
|
|
r#"
|
|
struct S;
|
|
fn foo(s: &mut S) {}
|
|
fn main() {
|
|
let mut s = S;
|
|
foo(&mut $0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc s [type+name+local]
|
|
st S [type]
|
|
st S []
|
|
fn main() []
|
|
fn foo(…) []
|
|
"#]],
|
|
);
|
|
check_relevance(
|
|
r#"
|
|
struct S;
|
|
fn foo(s: &mut S) {}
|
|
fn main() {
|
|
let mut ssss = S;
|
|
foo(&mut s$0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc ssss [type+local]
|
|
st S [type]
|
|
st S []
|
|
fn main() []
|
|
fn foo(…) []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn suggest_deref() {
|
|
check_relevance(
|
|
r#"
|
|
//- minicore: deref
|
|
struct S;
|
|
struct T(S);
|
|
|
|
impl core::ops::Deref for T {
|
|
type Target = S;
|
|
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
fn foo(s: &S) {}
|
|
|
|
fn main() {
|
|
let t = T(S);
|
|
let m = 123;
|
|
|
|
foo($0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc m [local]
|
|
lc t [local]
|
|
lc &t [type+local]
|
|
st S []
|
|
st &S [type]
|
|
st T []
|
|
st S []
|
|
fn main() []
|
|
fn foo(…) []
|
|
md core []
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn suggest_deref_mut() {
|
|
check_relevance(
|
|
r#"
|
|
//- minicore: deref_mut
|
|
struct S;
|
|
struct T(S);
|
|
|
|
impl core::ops::Deref for T {
|
|
type Target = S;
|
|
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
impl core::ops::DerefMut for T {
|
|
fn deref_mut(&mut self) -> &mut Self::Target {
|
|
&mut self.0
|
|
}
|
|
}
|
|
|
|
fn foo(s: &mut S) {}
|
|
|
|
fn main() {
|
|
let t = T(S);
|
|
let m = 123;
|
|
|
|
foo($0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc m [local]
|
|
lc t [local]
|
|
lc &mut t [type+local]
|
|
st S []
|
|
st &mut S [type]
|
|
st T []
|
|
st S []
|
|
fn main() []
|
|
fn foo(…) []
|
|
md core []
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn locals() {
|
|
check_relevance(
|
|
r#"
|
|
fn foo(bar: u32) {
|
|
let baz = 0;
|
|
|
|
f$0
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc baz [local]
|
|
lc bar [local]
|
|
fn foo(…) []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn enum_owned() {
|
|
check_relevance(
|
|
r#"
|
|
enum Foo { A, B }
|
|
fn foo() {
|
|
bar($0);
|
|
}
|
|
fn bar(t: Foo) {}
|
|
"#,
|
|
expect![[r#"
|
|
ev Foo::A [type]
|
|
ev Foo::B [type]
|
|
en Foo []
|
|
fn bar(…) []
|
|
fn foo() []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn enum_ref() {
|
|
check_relevance(
|
|
r#"
|
|
enum Foo { A, B }
|
|
fn foo() {
|
|
bar($0);
|
|
}
|
|
fn bar(t: &Foo) {}
|
|
"#,
|
|
expect![[r#"
|
|
ev Foo::A []
|
|
ev &Foo::A [type]
|
|
ev Foo::B []
|
|
ev &Foo::B [type]
|
|
en Foo []
|
|
fn bar(…) []
|
|
fn foo() []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn suggest_deref_fn_ret() {
|
|
check_relevance(
|
|
r#"
|
|
//- minicore: deref
|
|
struct S;
|
|
struct T(S);
|
|
|
|
impl core::ops::Deref for T {
|
|
type Target = S;
|
|
|
|
fn deref(&self) -> &Self::Target {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
fn foo(s: &S) {}
|
|
fn bar() -> T {}
|
|
|
|
fn main() {
|
|
foo($0);
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
st S []
|
|
st &S [type]
|
|
st T []
|
|
st S []
|
|
fn main() []
|
|
fn bar() []
|
|
fn &bar() [type]
|
|
fn foo(…) []
|
|
md core []
|
|
"#]],
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn op_function_relevances() {
|
|
check_relevance(
|
|
r#"
|
|
#[lang = "sub"]
|
|
trait Sub {
|
|
fn sub(self, other: Self) -> Self { self }
|
|
}
|
|
impl Sub for u32 {}
|
|
fn foo(a: u32) { a.$0 }
|
|
"#,
|
|
expect![[r#"
|
|
me sub(…) (as Sub) [op_method]
|
|
"#]],
|
|
);
|
|
check_relevance(
|
|
r#"
|
|
struct Foo;
|
|
impl Foo {
|
|
fn new() -> Self {}
|
|
}
|
|
#[lang = "eq"]
|
|
pub trait PartialEq<Rhs: ?Sized = Self> {
|
|
fn eq(&self, other: &Rhs) -> bool;
|
|
fn ne(&self, other: &Rhs) -> bool;
|
|
}
|
|
|
|
impl PartialEq for Foo {}
|
|
fn main() {
|
|
Foo::$0
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
fn new() []
|
|
me eq(…) (as PartialEq) [op_method]
|
|
me ne(…) (as PartialEq) [op_method]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn struct_field_method_ref() {
|
|
check_kinds(
|
|
r#"
|
|
struct Foo { bar: u32 }
|
|
impl Foo { fn baz(&self) -> u32 { 0 } }
|
|
|
|
fn foo(f: Foo) { let _: &u32 = f.b$0 }
|
|
"#,
|
|
&[CompletionItemKind::Method, CompletionItemKind::SymbolKind(SymbolKind::Field)],
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "baz()",
|
|
source_range: 98..99,
|
|
delete: 98..99,
|
|
insert: "baz()$0",
|
|
kind: Method,
|
|
lookup: "baz",
|
|
detail: "fn(&self) -> u32",
|
|
ref_match: "&@96",
|
|
},
|
|
CompletionItem {
|
|
label: "bar",
|
|
source_range: 98..99,
|
|
delete: 98..99,
|
|
insert: "bar",
|
|
kind: SymbolKind(
|
|
Field,
|
|
),
|
|
detail: "u32",
|
|
ref_match: "&@96",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn qualified_path_ref() {
|
|
check_kinds(
|
|
r#"
|
|
struct S;
|
|
|
|
struct T;
|
|
impl T {
|
|
fn foo() -> S {}
|
|
}
|
|
|
|
fn bar(s: &S) {}
|
|
|
|
fn main() {
|
|
bar(T::$0);
|
|
}
|
|
"#,
|
|
&[CompletionItemKind::SymbolKind(SymbolKind::Function)],
|
|
expect![[r#"
|
|
[
|
|
CompletionItem {
|
|
label: "foo()",
|
|
source_range: 95..95,
|
|
delete: 95..95,
|
|
insert: "foo()$0",
|
|
kind: SymbolKind(
|
|
Function,
|
|
),
|
|
lookup: "foo",
|
|
detail: "fn() -> S",
|
|
ref_match: "&@92",
|
|
},
|
|
]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn generic_enum() {
|
|
check_relevance(
|
|
r#"
|
|
enum Foo<T> { A(T), B }
|
|
// bar() should not be an exact type match
|
|
// because the generic parameters are different
|
|
fn bar() -> Foo<u8> { Foo::B }
|
|
// FIXME baz() should be an exact type match
|
|
// because the types could unify, but it currently
|
|
// is not. This is due to the T here being
|
|
// TyKind::Placeholder rather than TyKind::Missing.
|
|
fn baz<T>() -> Foo<T> { Foo::B }
|
|
fn foo() {
|
|
let foo: Foo<u32> = Foo::B;
|
|
let _: Foo<u32> = f$0;
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
lc foo [type+local]
|
|
ev Foo::A(…) [type_could_unify]
|
|
ev Foo::B [type_could_unify]
|
|
fn foo() []
|
|
en Foo []
|
|
fn baz() []
|
|
fn bar() []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn postfix_exact_match_is_high_priority() {
|
|
cov_mark::check!(postfix_exact_match_is_high_priority);
|
|
check_relevance_for_kinds(
|
|
r#"
|
|
mod ops {
|
|
pub trait Not {
|
|
type Output;
|
|
fn not(self) -> Self::Output;
|
|
}
|
|
|
|
impl Not for bool {
|
|
type Output = bool;
|
|
fn not(self) -> bool { if self { false } else { true }}
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let _: bool = (9 > 2).not$0;
|
|
}
|
|
"#,
|
|
&[CompletionItemKind::Snippet, CompletionItemKind::Method],
|
|
expect![[r#"
|
|
sn not [snippet]
|
|
me not() (use ops::Not) [type_could_unify+requires_import]
|
|
sn if []
|
|
sn while []
|
|
sn ref []
|
|
sn refm []
|
|
sn match []
|
|
sn box []
|
|
sn dbg []
|
|
sn dbgr []
|
|
sn call []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn postfix_inexact_match_is_low_priority() {
|
|
cov_mark::check!(postfix_inexact_match_is_low_priority);
|
|
check_relevance_for_kinds(
|
|
r#"
|
|
struct S;
|
|
impl S {
|
|
fn f(&self) {}
|
|
}
|
|
fn main() {
|
|
S.$0
|
|
}
|
|
"#,
|
|
&[CompletionItemKind::Snippet, CompletionItemKind::Method],
|
|
expect![[r#"
|
|
me f() []
|
|
sn ref []
|
|
sn refm []
|
|
sn match []
|
|
sn box []
|
|
sn dbg []
|
|
sn dbgr []
|
|
sn call []
|
|
sn let []
|
|
sn letm []
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn flyimport_reduced_relevance() {
|
|
check_relevance(
|
|
r#"
|
|
mod std {
|
|
pub mod io {
|
|
pub trait BufRead {}
|
|
pub struct BufReader;
|
|
pub struct BufWriter;
|
|
}
|
|
}
|
|
struct Buffer;
|
|
|
|
fn f() {
|
|
Buf$0
|
|
}
|
|
"#,
|
|
expect![[r#"
|
|
md std []
|
|
st Buffer []
|
|
fn f() []
|
|
tt BufRead (use std::io::BufRead) [requires_import]
|
|
st BufReader (use std::io::BufReader) [requires_import]
|
|
st BufWriter (use std::io::BufWriter) [requires_import]
|
|
"#]],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn completes_struct_with_raw_identifier() {
|
|
check_edit(
|
|
"type",
|
|
r#"
|
|
mod m { pub struct r#type {} }
|
|
fn main() {
|
|
let r#type = m::t$0;
|
|
}
|
|
"#,
|
|
r#"
|
|
mod m { pub struct r#type {} }
|
|
fn main() {
|
|
let r#type = m::r#type;
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_fn_with_raw_identifier() {
|
|
check_edit(
|
|
"type",
|
|
r#"
|
|
mod m { pub fn r#type {} }
|
|
fn main() {
|
|
m::t$0
|
|
}
|
|
"#,
|
|
r#"
|
|
mod m { pub fn r#type {} }
|
|
fn main() {
|
|
m::r#type()$0
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_macro_with_raw_identifier() {
|
|
check_edit(
|
|
"let!",
|
|
r#"
|
|
macro_rules! r#let { () => {} }
|
|
fn main() {
|
|
$0
|
|
}
|
|
"#,
|
|
r#"
|
|
macro_rules! r#let { () => {} }
|
|
fn main() {
|
|
r#let!($0)
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_variant_with_raw_identifier() {
|
|
check_edit(
|
|
"type",
|
|
r#"
|
|
enum A { r#type }
|
|
fn main() {
|
|
let a = A::t$0
|
|
}
|
|
"#,
|
|
r#"
|
|
enum A { r#type }
|
|
fn main() {
|
|
let a = A::r#type$0
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_field_with_raw_identifier() {
|
|
check_edit(
|
|
"fn",
|
|
r#"
|
|
mod r#type {
|
|
pub struct r#struct {
|
|
pub r#fn: u32
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let a = r#type::r#struct {};
|
|
a.$0
|
|
}
|
|
"#,
|
|
r#"
|
|
mod r#type {
|
|
pub struct r#struct {
|
|
pub r#fn: u32
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let a = r#type::r#struct {};
|
|
a.r#fn
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_const_with_raw_identifier() {
|
|
check_edit(
|
|
"type",
|
|
r#"
|
|
struct r#struct {}
|
|
impl r#struct { pub const r#type: u8 = 1; }
|
|
fn main() {
|
|
r#struct::t$0
|
|
}
|
|
"#,
|
|
r#"
|
|
struct r#struct {}
|
|
impl r#struct { pub const r#type: u8 = 1; }
|
|
fn main() {
|
|
r#struct::r#type
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn completes_type_alias_with_raw_identifier() {
|
|
check_edit(
|
|
"type type",
|
|
r#"
|
|
struct r#struct {}
|
|
trait r#trait { type r#type; }
|
|
impl r#trait for r#struct { type t$0 }
|
|
"#,
|
|
r#"
|
|
struct r#struct {}
|
|
trait r#trait { type r#type; }
|
|
impl r#trait for r#struct { type r#type = $0; }
|
|
"#,
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn field_access_includes_self() {
|
|
check_edit(
|
|
"length",
|
|
r#"
|
|
struct S {
|
|
length: i32
|
|
}
|
|
|
|
impl S {
|
|
fn some_fn(&self) {
|
|
let l = len$0
|
|
}
|
|
}
|
|
"#,
|
|
r#"
|
|
struct S {
|
|
length: i32
|
|
}
|
|
|
|
impl S {
|
|
fn some_fn(&self) {
|
|
let l = self.length
|
|
}
|
|
}
|
|
"#,
|
|
)
|
|
}
|
|
}
|