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-rw-r--r--crates/ra_ide_api/src/completion/completion_item.rs73
-rw-r--r--crates/ra_ide_api/src/completion/presentation.rs72
2 files changed, 57 insertions, 88 deletions
diff --git a/crates/ra_ide_api/src/completion/completion_item.rs b/crates/ra_ide_api/src/completion/completion_item.rs
index 91e32b3c8..cb880d92c 100644
--- a/crates/ra_ide_api/src/completion/completion_item.rs
+++ b/crates/ra_ide_api/src/completion/completion_item.rs
@@ -1,13 +1,11 @@
1use std::fmt; 1use std::fmt;
2 2
3use hir::{Docs, Documentation, PerNs, Resolution}; 3use hir::{Docs, Documentation};
4use ra_syntax::TextRange; 4use ra_syntax::TextRange;
5use ra_text_edit::{ TextEditBuilder, TextEdit}; 5use ra_text_edit::{ TextEditBuilder, TextEdit};
6use test_utils::tested_by;
7 6
8use crate::completion::{ 7use crate::completion::{
9 completion_context::CompletionContext, 8 completion_context::CompletionContext,
10 function_label,
11 const_label, 9 const_label,
12 type_label 10 type_label
13}; 11};
@@ -255,70 +253,6 @@ impl Builder {
255 self.documentation = docs.map(Into::into); 253 self.documentation = docs.map(Into::into);
256 self 254 self
257 } 255 }
258 pub(super) fn from_resolution(
259 mut self,
260 ctx: &CompletionContext,
261 resolution: &PerNs<Resolution>,
262 ) -> Builder {
263 use hir::ModuleDef::*;
264
265 let def = resolution.as_ref().take_types().or_else(|| resolution.as_ref().take_values());
266 let def = match def {
267 None => return self,
268 Some(it) => it,
269 };
270 let (kind, docs) = match def {
271 Resolution::Def(Module(it)) => (CompletionItemKind::Module, it.docs(ctx.db)),
272 Resolution::Def(Function(func)) => return self.from_function(ctx, *func),
273 Resolution::Def(Struct(it)) => (CompletionItemKind::Struct, it.docs(ctx.db)),
274 Resolution::Def(Enum(it)) => (CompletionItemKind::Enum, it.docs(ctx.db)),
275 Resolution::Def(EnumVariant(it)) => (CompletionItemKind::EnumVariant, it.docs(ctx.db)),
276 Resolution::Def(Const(it)) => (CompletionItemKind::Const, it.docs(ctx.db)),
277 Resolution::Def(Static(it)) => (CompletionItemKind::Static, it.docs(ctx.db)),
278 Resolution::Def(Trait(it)) => (CompletionItemKind::Trait, it.docs(ctx.db)),
279 Resolution::Def(Type(it)) => (CompletionItemKind::TypeAlias, it.docs(ctx.db)),
280 Resolution::GenericParam(..) => (CompletionItemKind::TypeParam, None),
281 Resolution::LocalBinding(..) => (CompletionItemKind::Binding, None),
282 Resolution::SelfType(..) => (
283 CompletionItemKind::TypeParam, // (does this need its own kind?)
284 None,
285 ),
286 };
287 self.kind = Some(kind);
288 self.documentation = docs;
289
290 self
291 }
292
293 pub(super) fn from_function(
294 mut self,
295 ctx: &CompletionContext,
296 function: hir::Function,
297 ) -> Builder {
298 // If not an import, add parenthesis automatically.
299 if ctx.use_item_syntax.is_none() && !ctx.is_call {
300 tested_by!(inserts_parens_for_function_calls);
301 let sig = function.signature(ctx.db);
302 if sig.params().is_empty() || sig.has_self_param() && sig.params().len() == 1 {
303 self.insert_text = Some(format!("{}()$0", self.label));
304 } else {
305 self.insert_text = Some(format!("{}($0)", self.label));
306 }
307 self.insert_text_format = InsertTextFormat::Snippet;
308 }
309
310 if let Some(docs) = function.docs(ctx.db) {
311 self.documentation = Some(docs);
312 }
313
314 if let Some(label) = function_item_label(ctx, function) {
315 self.detail = Some(label);
316 }
317
318 self.kind = Some(CompletionItemKind::Function);
319 self
320 }
321
322 pub(super) fn from_const(mut self, ctx: &CompletionContext, ct: hir::Const) -> Builder { 256 pub(super) fn from_const(mut self, ctx: &CompletionContext, ct: hir::Const) -> Builder {
323 if let Some(docs) = ct.docs(ctx.db) { 257 if let Some(docs) = ct.docs(ctx.db) {
324 self.documentation = Some(docs); 258 self.documentation = Some(docs);
@@ -373,11 +307,6 @@ impl Into<Vec<CompletionItem>> for Completions {
373 } 307 }
374} 308}
375 309
376fn function_item_label(ctx: &CompletionContext, function: hir::Function) -> Option<String> {
377 let node = function.source(ctx.db).1;
378 function_label(&node)
379}
380
381fn const_item_label(ctx: &CompletionContext, ct: hir::Const) -> String { 310fn const_item_label(ctx: &CompletionContext, ct: hir::Const) -> String {
382 let node = ct.source(ctx.db).1; 311 let node = ct.source(ctx.db).1;
383 const_label(&node) 312 const_label(&node)
diff --git a/crates/ra_ide_api/src/completion/presentation.rs b/crates/ra_ide_api/src/completion/presentation.rs
index 232ec80cd..d386288ed 100644
--- a/crates/ra_ide_api/src/completion/presentation.rs
+++ b/crates/ra_ide_api/src/completion/presentation.rs
@@ -38,28 +38,68 @@ impl Completions {
38 &mut self, 38 &mut self,
39 ctx: &CompletionContext, 39 ctx: &CompletionContext,
40 local_name: String, 40 local_name: String,
41 res: &PerNs<Resolution>, 41 resolution: &PerNs<Resolution>,
42 ) { 42 ) {
43 use hir::ModuleDef::*;
44
45 let def = resolution.as_ref().take_types().or_else(|| resolution.as_ref().take_values());
46 let def = match def {
47 None => {
48 self.add(CompletionItem::new(
49 CompletionKind::Reference,
50 ctx.source_range(),
51 local_name,
52 ));
53 return;
54 }
55 Some(it) => it,
56 };
57 let (kind, docs) = match def {
58 Resolution::Def(Module(it)) => (CompletionItemKind::Module, it.docs(ctx.db)),
59 Resolution::Def(Function(func)) => {
60 return self.add_function_with_name(ctx, Some(local_name), *func);
61 }
62 Resolution::Def(Struct(it)) => (CompletionItemKind::Struct, it.docs(ctx.db)),
63 Resolution::Def(Enum(it)) => (CompletionItemKind::Enum, it.docs(ctx.db)),
64 Resolution::Def(EnumVariant(it)) => (CompletionItemKind::EnumVariant, it.docs(ctx.db)),
65 Resolution::Def(Const(it)) => (CompletionItemKind::Const, it.docs(ctx.db)),
66 Resolution::Def(Static(it)) => (CompletionItemKind::Static, it.docs(ctx.db)),
67 Resolution::Def(Trait(it)) => (CompletionItemKind::Trait, it.docs(ctx.db)),
68 Resolution::Def(Type(it)) => (CompletionItemKind::TypeAlias, it.docs(ctx.db)),
69 Resolution::GenericParam(..) => (CompletionItemKind::TypeParam, None),
70 Resolution::LocalBinding(..) => (CompletionItemKind::Binding, None),
71 Resolution::SelfType(..) => (
72 CompletionItemKind::TypeParam, // (does this need its own kind?)
73 None,
74 ),
75 };
43 CompletionItem::new(CompletionKind::Reference, ctx.source_range(), local_name) 76 CompletionItem::new(CompletionKind::Reference, ctx.source_range(), local_name)
44 .from_resolution(ctx, res) 77 .kind(kind)
45 .add_to(self); 78 .set_documentation(docs)
79 .add_to(self)
46 } 80 }
47 81
48 pub(crate) fn add_function(&mut self, ctx: &CompletionContext, func: hir::Function) { 82 pub(crate) fn add_function(&mut self, ctx: &CompletionContext, func: hir::Function) {
49 let sig = func.signature(ctx.db); 83 self.add_function_with_name(ctx, None, func)
84 }
50 85
51 let mut builder = CompletionItem::new( 86 fn add_function_with_name(
52 CompletionKind::Reference, 87 &mut self,
53 ctx.source_range(), 88 ctx: &CompletionContext,
54 sig.name().to_string(), 89 name: Option<String>,
55 ) 90 func: hir::Function,
56 .kind(if sig.has_self_param() { 91 ) {
57 CompletionItemKind::Method 92 let sig = func.signature(ctx.db);
58 } else { 93 let name = name.unwrap_or_else(|| sig.name().to_string());
59 CompletionItemKind::Function 94
60 }) 95 let mut builder = CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name)
61 .set_documentation(func.docs(ctx.db)) 96 .kind(if sig.has_self_param() {
62 .set_detail(function_item_label(ctx, func)); 97 CompletionItemKind::Method
98 } else {
99 CompletionItemKind::Function
100 })
101 .set_documentation(func.docs(ctx.db))
102 .set_detail(function_item_label(ctx, func));
63 // If not an import, add parenthesis automatically. 103 // If not an import, add parenthesis automatically.
64 if ctx.use_item_syntax.is_none() && !ctx.is_call { 104 if ctx.use_item_syntax.is_none() && !ctx.is_call {
65 tested_by!(inserts_parens_for_function_calls); 105 tested_by!(inserts_parens_for_function_calls);