2020-11-01 03:35:04 -06:00
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//! `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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2020-11-03 01:36:01 -06:00
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pub(crate) mod macro_;
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pub(crate) mod function;
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pub(crate) mod enum_variant;
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pub(crate) mod const_;
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pub(crate) mod type_alias;
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2020-11-01 03:35:04 -06:00
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mod builder_ext;
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2020-11-16 15:16:41 -06:00
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use assists::utils::{ImportScope, MergeBehaviour};
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use hir::{Documentation, HasAttrs, HirDisplay, ModPath, Mutability, ScopeDef, Type};
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2020-11-01 03:35:04 -06:00
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use ide_db::RootDatabase;
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use syntax::TextRange;
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2020-11-01 04:36:30 -06:00
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use test_utils::mark;
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2020-11-01 03:35:04 -06:00
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2020-11-01 04:36:30 -06:00
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use crate::{
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config::SnippetCap, CompletionContext, CompletionItem, CompletionItemKind, CompletionKind,
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CompletionScore,
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};
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2020-11-01 03:35:04 -06:00
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2020-11-03 01:36:01 -06:00
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use crate::render::{enum_variant::render_enum_variant, function::render_fn, macro_::render_macro};
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2020-11-01 03:35:04 -06:00
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2020-11-03 01:33:13 -06:00
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pub(crate) fn render_field<'a>(
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ctx: RenderContext<'a>,
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2020-11-03 01:33:13 -06:00
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field: hir::Field,
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ty: &Type,
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) -> CompletionItem {
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Render::new(ctx).add_field(field, ty)
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}
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pub(crate) fn render_tuple_field<'a>(
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ctx: RenderContext<'a>,
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field: usize,
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ty: &Type,
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) -> CompletionItem {
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Render::new(ctx).add_tuple_field(field, ty)
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}
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pub(crate) fn render_resolution<'a>(
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ctx: RenderContext<'a>,
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local_name: String,
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resolution: &ScopeDef,
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) -> Option<CompletionItem> {
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2020-11-16 15:16:41 -06:00
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Render::new(ctx).render_resolution(local_name, None, resolution)
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}
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pub(crate) fn render_resolution_with_import<'a>(
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ctx: RenderContext<'a>,
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import: ModPath,
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import_scope: ImportScope,
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merge_behaviour: Option<MergeBehaviour>,
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resolution: &ScopeDef,
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) -> Option<CompletionItem> {
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let local_name = import.segments.last()?.to_string();
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Render::new(ctx).render_resolution(
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local_name,
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Some((import, import_scope, merge_behaviour)),
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resolution,
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)
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2020-11-01 04:39:05 -06:00
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}
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2020-11-01 04:48:42 -06:00
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/// Interface for data and methods required for items rendering.
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2020-11-01 03:35:04 -06:00
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#[derive(Debug)]
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pub(crate) struct RenderContext<'a> {
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completion: &'a CompletionContext<'a>,
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}
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impl<'a> RenderContext<'a> {
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2020-11-03 01:17:59 -06:00
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pub(crate) fn new(completion: &'a CompletionContext<'a>) -> RenderContext<'a> {
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2020-11-01 03:35:04 -06:00
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RenderContext { completion }
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}
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2020-11-01 04:36:30 -06:00
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fn snippet_cap(&self) -> Option<SnippetCap> {
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2020-11-01 03:35:04 -06:00
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self.completion.config.snippet_cap.clone()
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}
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2020-11-01 04:36:30 -06:00
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fn db(&self) -> &'a RootDatabase {
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2020-11-01 03:35:04 -06:00
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&self.completion.db
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}
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2020-11-01 04:36:30 -06:00
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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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2020-11-01 04:36:30 -06:00
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fn is_deprecated(&self, node: impl HasAttrs) -> bool {
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2020-11-01 03:35:04 -06:00
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node.attrs(self.db()).by_key("deprecated").exists()
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}
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2020-11-01 03:59:43 -06:00
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2020-11-01 04:36:30 -06:00
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fn docs(&self, node: impl HasAttrs) -> Option<Documentation> {
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2020-11-01 03:59:43 -06:00
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node.docs(self.db())
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}
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2020-11-01 04:36:30 -06:00
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fn active_name_and_type(&self) -> Option<(String, Type)> {
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if let Some(record_field) = &self.completion.record_field_syntax {
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mark::hit!(record_field_type_match);
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let (struct_field, _local) = self.completion.sema.resolve_record_field(record_field)?;
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Some((struct_field.name(self.db()).to_string(), struct_field.signature_ty(self.db())))
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} else if let Some(active_parameter) = &self.completion.active_parameter {
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mark::hit!(active_param_type_match);
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Some((active_parameter.name.clone(), active_parameter.ty.clone()))
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} else {
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None
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}
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}
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2020-11-01 03:35:04 -06:00
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}
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2020-11-03 01:33:13 -06:00
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/// Generic renderer for completion items.
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#[derive(Debug)]
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struct Render<'a> {
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ctx: RenderContext<'a>,
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}
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2020-11-01 04:36:30 -06:00
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impl<'a> Render<'a> {
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2020-11-03 01:33:13 -06:00
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fn new(ctx: RenderContext<'a>) -> Render<'a> {
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2020-11-01 04:36:30 -06:00
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Render { ctx }
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}
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2020-11-03 01:33:13 -06:00
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fn add_field(&mut self, field: hir::Field, ty: &Type) -> CompletionItem {
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2020-11-01 04:36:30 -06:00
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let is_deprecated = self.ctx.is_deprecated(field);
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let name = field.name(self.ctx.db());
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let mut item = CompletionItem::new(
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CompletionKind::Reference,
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self.ctx.source_range(),
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name.to_string(),
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)
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.kind(CompletionItemKind::Field)
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.detail(ty.display(self.ctx.db()).to_string())
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.set_documentation(field.docs(self.ctx.db()))
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.set_deprecated(is_deprecated);
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if let Some(score) = compute_score(&self.ctx, &ty, &name.to_string()) {
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item = item.set_score(score);
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}
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2020-11-03 01:33:13 -06:00
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item.build()
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2020-11-01 04:36:30 -06:00
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}
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2020-11-03 01:33:13 -06:00
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fn add_tuple_field(&mut self, field: usize, ty: &Type) -> CompletionItem {
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2020-11-01 04:36:30 -06:00
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CompletionItem::new(CompletionKind::Reference, self.ctx.source_range(), field.to_string())
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.kind(CompletionItemKind::Field)
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.detail(ty.display(self.ctx.db()).to_string())
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.build()
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}
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2020-11-03 01:33:13 -06:00
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fn render_resolution(
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2020-11-01 04:36:30 -06:00
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self,
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local_name: String,
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2020-11-16 15:16:41 -06:00
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import_data: Option<(ModPath, ImportScope, Option<MergeBehaviour>)>,
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2020-11-01 04:36:30 -06:00
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resolution: &ScopeDef,
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) -> Option<CompletionItem> {
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use hir::ModuleDef::*;
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let completion_kind = match resolution {
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ScopeDef::ModuleDef(BuiltinType(..)) => CompletionKind::BuiltinType,
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_ => CompletionKind::Reference,
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};
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let kind = match resolution {
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ScopeDef::ModuleDef(Function(func)) => {
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2020-11-16 15:16:41 -06:00
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let item = render_fn(self.ctx, import_data, Some(local_name), *func);
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2020-11-01 04:36:30 -06:00
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return Some(item);
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}
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ScopeDef::ModuleDef(EnumVariant(var)) => {
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2020-11-16 15:16:41 -06:00
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let item = render_enum_variant(self.ctx, import_data, Some(local_name), *var, None);
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2020-11-01 04:36:30 -06:00
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return Some(item);
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}
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ScopeDef::MacroDef(mac) => {
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2020-11-16 15:16:41 -06:00
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let item = render_macro(self.ctx, import_data, local_name, *mac);
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2020-11-01 04:36:30 -06:00
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return item;
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}
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ScopeDef::ModuleDef(Module(..)) => CompletionItemKind::Module,
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ScopeDef::ModuleDef(Adt(hir::Adt::Struct(_))) => CompletionItemKind::Struct,
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// FIXME: add CompletionItemKind::Union
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ScopeDef::ModuleDef(Adt(hir::Adt::Union(_))) => CompletionItemKind::Struct,
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ScopeDef::ModuleDef(Adt(hir::Adt::Enum(_))) => CompletionItemKind::Enum,
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ScopeDef::ModuleDef(Const(..)) => CompletionItemKind::Const,
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ScopeDef::ModuleDef(Static(..)) => CompletionItemKind::Static,
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ScopeDef::ModuleDef(Trait(..)) => CompletionItemKind::Trait,
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ScopeDef::ModuleDef(TypeAlias(..)) => CompletionItemKind::TypeAlias,
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ScopeDef::ModuleDef(BuiltinType(..)) => CompletionItemKind::BuiltinType,
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ScopeDef::GenericParam(..) => CompletionItemKind::TypeParam,
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ScopeDef::Local(..) => CompletionItemKind::Binding,
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// (does this need its own kind?)
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ScopeDef::AdtSelfType(..) | ScopeDef::ImplSelfType(..) => CompletionItemKind::TypeParam,
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ScopeDef::Unknown => {
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let item = CompletionItem::new(
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CompletionKind::Reference,
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self.ctx.source_range(),
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local_name,
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)
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.kind(CompletionItemKind::UnresolvedReference)
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2020-11-16 15:16:41 -06:00
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.import_data(import_data)
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2020-11-01 04:36:30 -06:00
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.build();
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return Some(item);
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}
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};
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let docs = self.docs(resolution);
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let mut item =
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CompletionItem::new(completion_kind, self.ctx.source_range(), local_name.clone());
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if let ScopeDef::Local(local) = resolution {
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let ty = local.ty(self.ctx.db());
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if !ty.is_unknown() {
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item = item.detail(ty.display(self.ctx.db()).to_string());
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}
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};
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let mut ref_match = None;
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if let ScopeDef::Local(local) = resolution {
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if let Some((active_name, active_type)) = self.ctx.active_name_and_type() {
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let ty = local.ty(self.ctx.db());
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if let Some(score) =
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compute_score_from_active(&active_type, &active_name, &ty, &local_name)
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{
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item = item.set_score(score);
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}
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ref_match = refed_type_matches(&active_type, &active_name, &ty, &local_name);
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}
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}
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// Add `<>` for generic types
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if self.ctx.completion.is_path_type
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&& !self.ctx.completion.has_type_args
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&& self.ctx.completion.config.add_call_parenthesis
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{
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if let Some(cap) = self.ctx.snippet_cap() {
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let has_non_default_type_params = match resolution {
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ScopeDef::ModuleDef(Adt(it)) => it.has_non_default_type_params(self.ctx.db()),
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ScopeDef::ModuleDef(TypeAlias(it)) => {
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it.has_non_default_type_params(self.ctx.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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mark::hit!(inserts_angle_brackets_for_generics);
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item = item
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.lookup_by(local_name.clone())
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.label(format!("{}<…>", local_name))
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.insert_snippet(cap, format!("{}<$0>", local_name));
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}
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}
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}
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2020-11-16 15:16:41 -06:00
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let item = item
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.kind(kind)
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.import_data(import_data)
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.set_documentation(docs)
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.set_ref_match(ref_match)
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.build();
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2020-11-01 04:36:30 -06:00
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Some(item)
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}
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fn docs(&self, resolution: &ScopeDef) -> Option<Documentation> {
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use hir::ModuleDef::*;
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match resolution {
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ScopeDef::ModuleDef(Module(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(Adt(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(EnumVariant(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(Const(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(Static(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(Trait(it)) => it.docs(self.ctx.db()),
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ScopeDef::ModuleDef(TypeAlias(it)) => it.docs(self.ctx.db()),
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_ => None,
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}
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}
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}
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fn compute_score_from_active(
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active_type: &Type,
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active_name: &str,
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ty: &Type,
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name: &str,
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) -> Option<CompletionScore> {
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// Compute score
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// For the same type
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if active_type != ty {
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return None;
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}
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let mut res = CompletionScore::TypeMatch;
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// If same type + same name then go top position
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if active_name == name {
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res = CompletionScore::TypeAndNameMatch
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}
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Some(res)
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}
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fn refed_type_matches(
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active_type: &Type,
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active_name: &str,
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ty: &Type,
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name: &str,
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) -> Option<(Mutability, CompletionScore)> {
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let derefed_active = active_type.remove_ref()?;
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let score = compute_score_from_active(&derefed_active, &active_name, &ty, &name)?;
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Some((
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if active_type.is_mutable_reference() { Mutability::Mut } else { Mutability::Shared },
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score,
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))
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}
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fn compute_score(ctx: &RenderContext, ty: &Type, name: &str) -> Option<CompletionScore> {
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let (active_name, active_type) = ctx.active_name_and_type()?;
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compute_score_from_active(&active_type, &active_name, ty, name)
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}
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#[cfg(test)]
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mod tests {
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use std::cmp::Reverse;
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use expect_test::{expect, Expect};
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use test_utils::mark;
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use crate::{
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test_utils::{check_edit, do_completion, get_all_items},
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CompletionConfig, CompletionKind, CompletionScore,
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};
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fn check(ra_fixture: &str, expect: Expect) {
|
|
|
|
let actual = do_completion(ra_fixture, CompletionKind::Reference);
|
|
|
|
expect.assert_debug_eq(&actual);
|
|
|
|
}
|
|
|
|
|
|
|
|
fn check_scores(ra_fixture: &str, expect: Expect) {
|
|
|
|
fn display_score(score: Option<CompletionScore>) -> &'static str {
|
|
|
|
match score {
|
|
|
|
Some(CompletionScore::TypeMatch) => "[type]",
|
|
|
|
Some(CompletionScore::TypeAndNameMatch) => "[type+name]",
|
|
|
|
None => "[]".into(),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
let mut completions = get_all_items(CompletionConfig::default(), ra_fixture);
|
|
|
|
completions.sort_by_key(|it| (Reverse(it.score()), it.label().to_string()));
|
|
|
|
let actual = completions
|
|
|
|
.into_iter()
|
|
|
|
.filter(|it| it.completion_kind == CompletionKind::Reference)
|
|
|
|
.map(|it| {
|
|
|
|
let tag = it.kind().unwrap().tag();
|
|
|
|
let score = display_score(it.score());
|
|
|
|
format!("{} {} {}\n", tag, it.label(), score)
|
|
|
|
})
|
|
|
|
.collect::<String>();
|
|
|
|
expect.assert_eq(&actual);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn enum_detail_includes_record_fields() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
enum Foo { Foo { x: i32, y: i32 } }
|
|
|
|
|
|
|
|
fn main() { Foo::Fo<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "Foo",
|
|
|
|
source_range: 54..56,
|
|
|
|
delete: 54..56,
|
|
|
|
insert: "Foo",
|
|
|
|
kind: EnumVariant,
|
|
|
|
detail: "{ x: i32, y: i32 }",
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn enum_detail_doesnt_include_tuple_fields() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
enum Foo { Foo (i32, i32) }
|
|
|
|
|
|
|
|
fn main() { Foo::Fo<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "Foo(…)",
|
|
|
|
source_range: 46..48,
|
|
|
|
delete: 46..48,
|
|
|
|
insert: "Foo($0)",
|
|
|
|
kind: EnumVariant,
|
|
|
|
lookup: "Foo",
|
|
|
|
detail: "(i32, i32)",
|
|
|
|
trigger_call_info: true,
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn enum_detail_just_parentheses_for_unit() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
enum Foo { Foo }
|
|
|
|
|
|
|
|
fn main() { Foo::Fo<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "Foo",
|
|
|
|
source_range: 35..37,
|
|
|
|
delete: 35..37,
|
|
|
|
insert: "Foo",
|
|
|
|
kind: EnumVariant,
|
|
|
|
detail: "()",
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn lookup_enums_by_two_qualifiers() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
mod m {
|
|
|
|
pub enum Spam { Foo, Bar(i32) }
|
|
|
|
}
|
|
|
|
fn main() { let _: m::Spam = S<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "Spam::Bar(…)",
|
|
|
|
source_range: 75..76,
|
|
|
|
delete: 75..76,
|
|
|
|
insert: "Spam::Bar($0)",
|
|
|
|
kind: EnumVariant,
|
|
|
|
lookup: "Spam::Bar",
|
|
|
|
detail: "(i32)",
|
|
|
|
trigger_call_info: true,
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "m",
|
|
|
|
source_range: 75..76,
|
|
|
|
delete: 75..76,
|
|
|
|
insert: "m",
|
|
|
|
kind: Module,
|
|
|
|
},
|
|
|
|
CompletionItem {
|
2020-11-14 06:59:03 -06:00
|
|
|
label: "m::Spam",
|
|
|
|
source_range: 75..76,
|
|
|
|
text_edit: TextEdit {
|
|
|
|
indels: [
|
|
|
|
Indel {
|
|
|
|
insert: "use m::Spam;",
|
|
|
|
delete: 0..0,
|
|
|
|
},
|
|
|
|
Indel {
|
|
|
|
insert: "\n\n",
|
|
|
|
delete: 0..0,
|
|
|
|
},
|
|
|
|
Indel {
|
|
|
|
insert: "Spam",
|
|
|
|
delete: 75..76,
|
|
|
|
},
|
|
|
|
],
|
|
|
|
},
|
|
|
|
kind: Enum,
|
|
|
|
lookup: "Spam",
|
|
|
|
},
|
|
|
|
CompletionItem {
|
2020-11-01 04:36:30 -06:00
|
|
|
label: "m::Spam::Foo",
|
|
|
|
source_range: 75..76,
|
|
|
|
delete: 75..76,
|
|
|
|
insert: "m::Spam::Foo",
|
|
|
|
kind: EnumVariant,
|
|
|
|
lookup: "Spam::Foo",
|
|
|
|
detail: "()",
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "main()",
|
|
|
|
source_range: 75..76,
|
|
|
|
delete: 75..76,
|
|
|
|
insert: "main()$0",
|
|
|
|
kind: Function,
|
|
|
|
lookup: "main",
|
|
|
|
detail: "fn main()",
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn sets_deprecated_flag_in_items() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
#[deprecated]
|
|
|
|
fn something_deprecated() {}
|
|
|
|
#[deprecated(since = "1.0.0")]
|
|
|
|
fn something_else_deprecated() {}
|
|
|
|
|
|
|
|
fn main() { som<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "main()",
|
|
|
|
source_range: 121..124,
|
|
|
|
delete: 121..124,
|
|
|
|
insert: "main()$0",
|
|
|
|
kind: Function,
|
|
|
|
lookup: "main",
|
|
|
|
detail: "fn main()",
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "something_deprecated()",
|
|
|
|
source_range: 121..124,
|
|
|
|
delete: 121..124,
|
|
|
|
insert: "something_deprecated()$0",
|
|
|
|
kind: Function,
|
|
|
|
lookup: "something_deprecated",
|
|
|
|
detail: "fn something_deprecated()",
|
|
|
|
deprecated: true,
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "something_else_deprecated()",
|
|
|
|
source_range: 121..124,
|
|
|
|
delete: 121..124,
|
|
|
|
insert: "something_else_deprecated()$0",
|
|
|
|
kind: Function,
|
|
|
|
lookup: "something_else_deprecated",
|
|
|
|
detail: "fn something_else_deprecated()",
|
|
|
|
deprecated: true,
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
struct A { #[deprecated] the_field: u32 }
|
|
|
|
fn foo() { A { the<|> } }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "the_field",
|
|
|
|
source_range: 57..60,
|
|
|
|
delete: 57..60,
|
|
|
|
insert: "the_field",
|
|
|
|
kind: Field,
|
|
|
|
detail: "u32",
|
|
|
|
deprecated: true,
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn renders_docs() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
struct S {
|
|
|
|
/// Field docs
|
|
|
|
foo:
|
|
|
|
}
|
|
|
|
impl S {
|
|
|
|
/// Method docs
|
|
|
|
fn bar(self) { self.<|> }
|
|
|
|
}"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "bar()",
|
|
|
|
source_range: 94..94,
|
|
|
|
delete: 94..94,
|
|
|
|
insert: "bar()$0",
|
|
|
|
kind: Method,
|
|
|
|
lookup: "bar",
|
|
|
|
detail: "fn bar(self)",
|
|
|
|
documentation: Documentation(
|
|
|
|
"Method docs",
|
|
|
|
),
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "foo",
|
|
|
|
source_range: 94..94,
|
|
|
|
delete: 94..94,
|
|
|
|
insert: "foo",
|
|
|
|
kind: Field,
|
|
|
|
detail: "{unknown}",
|
|
|
|
documentation: Documentation(
|
|
|
|
"Field docs",
|
|
|
|
),
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
use self::my<|>;
|
|
|
|
|
|
|
|
/// mod docs
|
|
|
|
mod my { }
|
|
|
|
|
|
|
|
/// enum docs
|
|
|
|
enum E {
|
|
|
|
/// variant docs
|
|
|
|
V
|
|
|
|
}
|
|
|
|
use self::E::*;
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "E",
|
|
|
|
source_range: 10..12,
|
|
|
|
delete: 10..12,
|
|
|
|
insert: "E",
|
|
|
|
kind: Enum,
|
|
|
|
documentation: Documentation(
|
|
|
|
"enum docs",
|
|
|
|
),
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "V",
|
|
|
|
source_range: 10..12,
|
|
|
|
delete: 10..12,
|
|
|
|
insert: "V",
|
|
|
|
kind: EnumVariant,
|
|
|
|
detail: "()",
|
|
|
|
documentation: Documentation(
|
|
|
|
"variant docs",
|
|
|
|
),
|
|
|
|
},
|
|
|
|
CompletionItem {
|
|
|
|
label: "my",
|
|
|
|
source_range: 10..12,
|
|
|
|
delete: 10..12,
|
|
|
|
insert: "my",
|
|
|
|
kind: Module,
|
|
|
|
documentation: Documentation(
|
|
|
|
"mod docs",
|
|
|
|
),
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn dont_render_attrs() {
|
|
|
|
check(
|
|
|
|
r#"
|
|
|
|
struct S;
|
|
|
|
impl S {
|
|
|
|
#[inline]
|
|
|
|
fn the_method(&self) { }
|
|
|
|
}
|
|
|
|
fn foo(s: S) { s.<|> }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
[
|
|
|
|
CompletionItem {
|
|
|
|
label: "the_method()",
|
|
|
|
source_range: 81..81,
|
|
|
|
delete: 81..81,
|
|
|
|
insert: "the_method()$0",
|
|
|
|
kind: Method,
|
|
|
|
lookup: "the_method",
|
|
|
|
detail: "fn the_method(&self)",
|
|
|
|
},
|
|
|
|
]
|
|
|
|
"#]],
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn no_call_parens_if_fn_ptr_needed() {
|
|
|
|
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<|> }
|
|
|
|
}
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
fn foo(foo: u8, bar: u8) {}
|
|
|
|
struct ManualVtable { f: fn(u8, u8) }
|
|
|
|
|
|
|
|
fn main() -> ManualVtable {
|
|
|
|
ManualVtable { f: foo }
|
|
|
|
}
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn no_parens_in_use_item() {
|
|
|
|
mark::check!(no_parens_in_use_item);
|
|
|
|
check_edit(
|
|
|
|
"foo",
|
|
|
|
r#"
|
|
|
|
mod m { pub fn foo() {} }
|
|
|
|
use crate::m::f<|>;
|
|
|
|
"#,
|
|
|
|
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<|>(); }
|
|
|
|
"#,
|
|
|
|
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<|>(); }
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
struct Foo;
|
|
|
|
impl Foo { fn foo(&self){} }
|
|
|
|
fn f(foo: &Foo) { foo.foo(); }
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn inserts_angle_brackets_for_generics() {
|
|
|
|
mark::check!(inserts_angle_brackets_for_generics);
|
|
|
|
check_edit(
|
|
|
|
"Vec",
|
|
|
|
r#"
|
|
|
|
struct Vec<T> {}
|
|
|
|
fn foo(xs: Ve<|>)
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
struct Vec<T> {}
|
|
|
|
fn foo(xs: Vec<$0>)
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
check_edit(
|
|
|
|
"Vec",
|
|
|
|
r#"
|
|
|
|
type Vec<T> = (T,);
|
|
|
|
fn foo(xs: Ve<|>)
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
type Vec<T> = (T,);
|
|
|
|
fn foo(xs: Vec<$0>)
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
check_edit(
|
|
|
|
"Vec",
|
|
|
|
r#"
|
|
|
|
struct Vec<T = i128> {}
|
|
|
|
fn foo(xs: Ve<|>)
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
struct Vec<T = i128> {}
|
|
|
|
fn foo(xs: Vec)
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
check_edit(
|
|
|
|
"Vec",
|
|
|
|
r#"
|
|
|
|
struct Vec<T> {}
|
|
|
|
fn foo(xs: Ve<|><i128>)
|
|
|
|
"#,
|
|
|
|
r#"
|
|
|
|
struct Vec<T> {}
|
|
|
|
fn foo(xs: Vec<i128>)
|
|
|
|
"#,
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn active_param_score() {
|
|
|
|
mark::check!(active_param_type_match);
|
|
|
|
check_scores(
|
|
|
|
r#"
|
|
|
|
struct S { foo: i64, bar: u32, baz: u32 }
|
|
|
|
fn test(bar: u32) { }
|
|
|
|
fn foo(s: S) { test(s.<|>) }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
fd bar [type+name]
|
|
|
|
fd baz [type]
|
|
|
|
fd foo []
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn record_field_scores() {
|
|
|
|
mark::check!(record_field_type_match);
|
|
|
|
check_scores(
|
|
|
|
r#"
|
|
|
|
struct A { foo: i64, bar: u32, baz: u32 }
|
|
|
|
struct B { x: (), y: f32, bar: u32 }
|
|
|
|
fn foo(a: A) { B { bar: a.<|> }; }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
fd bar [type+name]
|
|
|
|
fd baz [type]
|
|
|
|
fd foo []
|
|
|
|
"#]],
|
|
|
|
)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn record_field_and_call_scores() {
|
|
|
|
check_scores(
|
|
|
|
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.<|>) }; }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
fd foo [type+name]
|
|
|
|
fd bar []
|
|
|
|
fd baz []
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
check_scores(
|
|
|
|
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.<|> }); }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
fd bar [type+name]
|
|
|
|
fd baz [type]
|
|
|
|
fd foo []
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn prioritize_exact_ref_match() {
|
|
|
|
check_scores(
|
|
|
|
r#"
|
|
|
|
struct WorldSnapshot { _f: () };
|
|
|
|
fn go(world: &WorldSnapshot) { go(w<|>) }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
bn world [type+name]
|
|
|
|
st WorldSnapshot []
|
|
|
|
fn go(…) []
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
fn too_many_arguments() {
|
|
|
|
check_scores(
|
|
|
|
r#"
|
|
|
|
struct Foo;
|
|
|
|
fn f(foo: &Foo) { f(foo, w<|>) }
|
|
|
|
"#,
|
|
|
|
expect![[r#"
|
|
|
|
st Foo []
|
|
|
|
fn f(…) []
|
|
|
|
bn foo []
|
|
|
|
"#]],
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|