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-rw-r--r--crates/ra_ide/src/completion/complete_unqualified_path.rs44
1 files changed, 22 insertions, 22 deletions
diff --git a/crates/ra_ide/src/completion/complete_unqualified_path.rs b/crates/ra_ide/src/completion/complete_unqualified_path.rs
index 56cd086c6..f559f2b97 100644
--- a/crates/ra_ide/src/completion/complete_unqualified_path.rs
+++ b/crates/ra_ide/src/completion/complete_unqualified_path.rs
@@ -4,7 +4,7 @@ use hir::ScopeDef;
4use test_utils::tested_by; 4use test_utils::tested_by;
5 5
6use crate::completion::{CompletionContext, Completions}; 6use crate::completion::{CompletionContext, Completions};
7use hir::{Adt, ModuleDef}; 7use hir::{Adt, ModuleDef, Type};
8use ra_syntax::AstNode; 8use ra_syntax::AstNode;
9 9
10pub(super) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionContext) { 10pub(super) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionContext) {
@@ -15,7 +15,9 @@ pub(super) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionC
15 return; 15 return;
16 } 16 }
17 17
18 complete_enum_variants(acc, ctx); 18 if let Some(ty) = &ctx.expected_type {
19 complete_enum_variants(acc, ctx, ty);
20 }
19 21
20 if ctx.is_pat_binding_or_const { 22 if ctx.is_pat_binding_or_const {
21 return; 23 return;
@@ -34,26 +36,24 @@ pub(super) fn complete_unqualified_path(acc: &mut Completions, ctx: &CompletionC
34 }); 36 });
35} 37}
36 38
37fn complete_enum_variants(acc: &mut Completions, ctx: &CompletionContext) { 39fn complete_enum_variants(acc: &mut Completions, ctx: &CompletionContext, ty: &Type) {
38 if let Some(ty) = ctx.expected_type_of(&ctx.token.parent()) { 40 if let Some(Adt::Enum(enum_data)) = ty.as_adt() {
39 if let Some(Adt::Enum(enum_data)) = ty.as_adt() { 41 let variants = enum_data.variants(ctx.db);
40 let variants = enum_data.variants(ctx.db); 42
41 43 let module = if let Some(module) = ctx.scope().module() {
42 let module = if let Some(module) = ctx.scope().module() { 44 // Compute path from the completion site if available.
43 // Compute path from the completion site if available. 45 module
44 module 46 } else {
45 } else { 47 // Otherwise fall back to the enum's definition site.
46 // Otherwise fall back to the enum's definition site. 48 enum_data.module(ctx.db)
47 enum_data.module(ctx.db) 49 };
48 }; 50
49 51 for variant in variants {
50 for variant in variants { 52 if let Some(path) = module.find_use_path(ctx.db, ModuleDef::from(variant)) {
51 if let Some(path) = module.find_use_path(ctx.db, ModuleDef::from(variant)) { 53 // Variants with trivial paths are already added by the existing completion logic,
52 // Variants with trivial paths are already added by the existing completion logic, 54 // so we should avoid adding these twice
53 // so we should avoid adding these twice 55 if path.segments.len() > 1 {
54 if path.segments.len() > 1 { 56 acc.add_enum_variant(ctx, variant, Some(path.to_string()));
55 acc.add_enum_variant(ctx, variant, Some(path.to_string()));
56 }
57 } 57 }
58 } 58 }
59 } 59 }