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-rw-r--r--crates/ra_ide/src/completion/complete_scope.rs2
-rw-r--r--crates/ra_ide/src/completion/presentation.rs34
2 files changed, 22 insertions, 14 deletions
diff --git a/crates/ra_ide/src/completion/complete_scope.rs b/crates/ra_ide/src/completion/complete_scope.rs
index aad016d4a..2b9a0e556 100644
--- a/crates/ra_ide/src/completion/complete_scope.rs
+++ b/crates/ra_ide/src/completion/complete_scope.rs
@@ -38,7 +38,7 @@ mod tests {
38 label: "quux(…)", 38 label: "quux(…)",
39 source_range: [91; 91), 39 source_range: [91; 91),
40 delete: [91; 91), 40 delete: [91; 91),
41 insert: "quux($0)", 41 insert: "quux(${1:x})$0",
42 kind: Function, 42 kind: Function,
43 lookup: "quux", 43 lookup: "quux",
44 detail: "fn quux(x: i32)", 44 detail: "fn quux(x: i32)",
diff --git a/crates/ra_ide/src/completion/presentation.rs b/crates/ra_ide/src/completion/presentation.rs
index ae9344a44..39d2b1c19 100644
--- a/crates/ra_ide/src/completion/presentation.rs
+++ b/crates/ra_ide/src/completion/presentation.rs
@@ -9,7 +9,7 @@ use crate::completion::{
9 CompletionContext, CompletionItem, CompletionItemKind, CompletionKind, Completions, 9 CompletionContext, CompletionItem, CompletionItemKind, CompletionKind, Completions,
10}; 10};
11 11
12use crate::display::{const_label, function_label, macro_label, type_label}; 12use crate::display::{const_label, macro_label, type_label, FunctionSignature};
13 13
14impl Completions { 14impl Completions {
15 pub(crate) fn add_field( 15 pub(crate) fn add_field(
@@ -198,7 +198,7 @@ impl Completions {
198 198
199 let name = name.unwrap_or_else(|| func.name(ctx.db).to_string()); 199 let name = name.unwrap_or_else(|| func.name(ctx.db).to_string());
200 let ast_node = func.source(ctx.db).value; 200 let ast_node = func.source(ctx.db).value;
201 let detail = function_label(&ast_node); 201 let function_signature = FunctionSignature::from(&ast_node);
202 202
203 let mut builder = 203 let mut builder =
204 CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.clone()) 204 CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.clone())
@@ -209,7 +209,7 @@ impl Completions {
209 }) 209 })
210 .set_documentation(func.docs(ctx.db)) 210 .set_documentation(func.docs(ctx.db))
211 .set_deprecated(is_deprecated(func, ctx.db)) 211 .set_deprecated(is_deprecated(func, ctx.db))
212 .detail(detail); 212 .detail(function_signature.to_string());
213 213
214 // Add `<>` for generic types 214 // Add `<>` for generic types
215 if ctx.use_item_syntax.is_none() 215 if ctx.use_item_syntax.is_none()
@@ -217,11 +217,19 @@ impl Completions {
217 && ctx.db.feature_flags.get("completion.insertion.add-call-parenthesis") 217 && ctx.db.feature_flags.get("completion.insertion.add-call-parenthesis")
218 { 218 {
219 tested_by!(inserts_parens_for_function_calls); 219 tested_by!(inserts_parens_for_function_calls);
220 let (snippet, label) = if params.is_empty() || has_self_param && params.len() == 1 { 220
221 (format!("{}()$0", name), format!("{}()", name)) 221 let (snippet, label) =
222 } else { 222 if params.is_empty() || has_self_param && params.len() == 1 {
223 (format!("{}($0)", name), format!("{}(…)", name)) 223 (format!("{}()$0", name), format!("{}()", name))
224 }; 224 } else {
225 let function_params_snippet =
226 join(function_signature.parameter_names.iter().enumerate().map(
227 |(index, param_name)| format!("${{{}:{}}}", index + 1, param_name),
228 ))
229 .separator(", ")
230 .to_string();
231 (format!("{}({})$0", name, function_params_snippet), format!("{}(…)", name))
232 };
225 builder = builder.lookup_by(name).label(label).insert_snippet(snippet); 233 builder = builder.lookup_by(name).label(label).insert_snippet(snippet);
226 } 234 }
227 235
@@ -486,7 +494,7 @@ mod tests {
486 label: "with_args(…)", 494 label: "with_args(…)",
487 source_range: [80; 85), 495 source_range: [80; 85),
488 delete: [80; 85), 496 delete: [80; 85),
489 insert: "with_args($0)", 497 insert: "with_args(${1:x}, ${2:y})$0",
490 kind: Function, 498 kind: Function,
491 lookup: "with_args", 499 lookup: "with_args",
492 detail: "fn with_args(x: i32, y: String)", 500 detail: "fn with_args(x: i32, y: String)",
@@ -630,7 +638,7 @@ mod tests {
630 label: "foo(…)", 638 label: "foo(…)",
631 source_range: [61; 63), 639 source_range: [61; 63),
632 delete: [61; 63), 640 delete: [61; 63),
633 insert: "foo($0)", 641 insert: "foo(${1:xs})$0",
634 kind: Function, 642 kind: Function,
635 lookup: "foo", 643 lookup: "foo",
636 detail: "fn foo(xs: Ve)", 644 detail: "fn foo(xs: Ve)",
@@ -659,7 +667,7 @@ mod tests {
659 label: "foo(…)", 667 label: "foo(…)",
660 source_range: [64; 66), 668 source_range: [64; 66),
661 delete: [64; 66), 669 delete: [64; 66),
662 insert: "foo($0)", 670 insert: "foo(${1:xs})$0",
663 kind: Function, 671 kind: Function,
664 lookup: "foo", 672 lookup: "foo",
665 detail: "fn foo(xs: Ve)", 673 detail: "fn foo(xs: Ve)",
@@ -687,7 +695,7 @@ mod tests {
687 label: "foo(…)", 695 label: "foo(…)",
688 source_range: [68; 70), 696 source_range: [68; 70),
689 delete: [68; 70), 697 delete: [68; 70),
690 insert: "foo($0)", 698 insert: "foo(${1:xs})$0",
691 kind: Function, 699 kind: Function,
692 lookup: "foo", 700 lookup: "foo",
693 detail: "fn foo(xs: Ve)", 701 detail: "fn foo(xs: Ve)",
@@ -715,7 +723,7 @@ mod tests {
715 label: "foo(…)", 723 label: "foo(…)",
716 source_range: [61; 63), 724 source_range: [61; 63),
717 delete: [61; 63), 725 delete: [61; 63),
718 insert: "foo($0)", 726 insert: "foo(${1:xs})$0",
719 kind: Function, 727 kind: Function,
720 lookup: "foo", 728 lookup: "foo",
721 detail: "fn foo(xs: Ve<i128>)", 729 detail: "fn foo(xs: Ve<i128>)",