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-rw-r--r--crates/ra_ide/src/completion/complete_dot.rs38
-rw-r--r--crates/ra_ide/src/completion/complete_qualified_path.rs272
-rw-r--r--crates/ra_ide/src/completion/complete_unqualified_path.rs12
-rw-r--r--crates/ra_ide/src/completion/completion_context.rs2
-rw-r--r--crates/ra_ide/src/completion/presentation.rs46
-rw-r--r--crates/ra_ide/src/display/function_signature.rs40
-rw-r--r--crates/ra_ide/src/display/short_label.rs6
-rw-r--r--crates/ra_ide/src/folding_ranges.rs2
-rw-r--r--crates/ra_ide/src/hover.rs36
-rw-r--r--crates/ra_ide/src/join_lines.rs69
-rw-r--r--crates/ra_ide/src/syntax_tree.rs77
11 files changed, 533 insertions, 67 deletions
diff --git a/crates/ra_ide/src/completion/complete_dot.rs b/crates/ra_ide/src/completion/complete_dot.rs
index 814354ffa..05f825c6f 100644
--- a/crates/ra_ide/src/completion/complete_dot.rs
+++ b/crates/ra_ide/src/completion/complete_dot.rs
@@ -250,6 +250,44 @@ mod tests {
250 } 250 }
251 251
252 #[test] 252 #[test]
253 fn test_union_field_completion() {
254 assert_debug_snapshot!(
255 do_ref_completion(
256 r"
257 union Un {
258 field: u8,
259 other: u16,
260 }
261
262 fn foo(u: Un) {
263 u.<|>
264 }
265 ",
266 ),
267 @r###"
268 [
269 CompletionItem {
270 label: "field",
271 source_range: 140..140,
272 delete: 140..140,
273 insert: "field",
274 kind: Field,
275 detail: "u8",
276 },
277 CompletionItem {
278 label: "other",
279 source_range: 140..140,
280 delete: 140..140,
281 insert: "other",
282 kind: Field,
283 detail: "u16",
284 },
285 ]
286 "###
287 );
288 }
289
290 #[test]
253 fn test_method_completion() { 291 fn test_method_completion() {
254 assert_debug_snapshot!( 292 assert_debug_snapshot!(
255 do_ref_completion( 293 do_ref_completion(
diff --git a/crates/ra_ide/src/completion/complete_qualified_path.rs b/crates/ra_ide/src/completion/complete_qualified_path.rs
index dd10f74e6..aa56a5cd8 100644
--- a/crates/ra_ide/src/completion/complete_qualified_path.rs
+++ b/crates/ra_ide/src/completion/complete_qualified_path.rs
@@ -5,19 +5,29 @@ use ra_syntax::AstNode;
5use test_utils::tested_by; 5use test_utils::tested_by;
6 6
7use crate::completion::{CompletionContext, Completions}; 7use crate::completion::{CompletionContext, Completions};
8use rustc_hash::FxHashSet;
8 9
9pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionContext) { 10pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionContext) {
10 let path = match &ctx.path_prefix { 11 let path = match &ctx.path_prefix {
11 Some(path) => path.clone(), 12 Some(path) => path.clone(),
12 _ => return, 13 _ => return,
13 }; 14 };
14 let def = match ctx.scope().resolve_hir_path(&path) { 15 let scope = ctx.scope();
15 Some(PathResolution::Def(def)) => def, 16 let context_module = scope.module();
16 _ => return, 17
18 let res = match scope.resolve_hir_path(&path) {
19 Some(res) => res,
20 None => return,
17 }; 21 };
18 let context_module = ctx.scope().module(); 22
19 match def { 23 // Add associated types on type parameters and `Self`.
20 hir::ModuleDef::Module(module) => { 24 res.assoc_type_shorthand_candidates(ctx.db, |alias| {
25 acc.add_type_alias(ctx, alias);
26 None::<()>
27 });
28
29 match res {
30 PathResolution::Def(hir::ModuleDef::Module(module)) => {
21 let module_scope = module.scope(ctx.db, context_module); 31 let module_scope = module.scope(ctx.db, context_module);
22 for (name, def) in module_scope { 32 for (name, def) in module_scope {
23 if ctx.use_item_syntax.is_some() { 33 if ctx.use_item_syntax.is_some() {
@@ -35,7 +45,8 @@ pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
35 acc.add_resolution(ctx, name.to_string(), &def); 45 acc.add_resolution(ctx, name.to_string(), &def);
36 } 46 }
37 } 47 }
38 hir::ModuleDef::Adt(_) | hir::ModuleDef::TypeAlias(_) => { 48 PathResolution::Def(def @ hir::ModuleDef::Adt(_))
49 | PathResolution::Def(def @ hir::ModuleDef::TypeAlias(_)) => {
39 if let hir::ModuleDef::Adt(Adt::Enum(e)) = def { 50 if let hir::ModuleDef::Adt(Adt::Enum(e)) = def {
40 for variant in e.variants(ctx.db) { 51 for variant in e.variants(ctx.db) {
41 acc.add_enum_variant(ctx, variant, None); 52 acc.add_enum_variant(ctx, variant, None);
@@ -46,8 +57,10 @@ pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
46 hir::ModuleDef::TypeAlias(a) => a.ty(ctx.db), 57 hir::ModuleDef::TypeAlias(a) => a.ty(ctx.db),
47 _ => unreachable!(), 58 _ => unreachable!(),
48 }; 59 };
49 // Iterate assoc types separately 60
50 // FIXME: complete T::AssocType 61 // XXX: For parity with Rust bug #22519, this does not complete Ty::AssocType.
62 // (where AssocType is defined on a trait, not an inherent impl)
63
51 let krate = ctx.krate; 64 let krate = ctx.krate;
52 if let Some(krate) = krate { 65 if let Some(krate) = krate {
53 let traits_in_scope = ctx.scope().traits_in_scope(); 66 let traits_in_scope = ctx.scope().traits_in_scope();
@@ -65,6 +78,7 @@ pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
65 None::<()> 78 None::<()>
66 }); 79 });
67 80
81 // Iterate assoc types separately
68 ty.iterate_impl_items(ctx.db, krate, |item| { 82 ty.iterate_impl_items(ctx.db, krate, |item| {
69 if context_module.map_or(false, |m| !item.is_visible_from(ctx.db, m)) { 83 if context_module.map_or(false, |m| !item.is_visible_from(ctx.db, m)) {
70 return None; 84 return None;
@@ -77,7 +91,8 @@ pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
77 }); 91 });
78 } 92 }
79 } 93 }
80 hir::ModuleDef::Trait(t) => { 94 PathResolution::Def(hir::ModuleDef::Trait(t)) => {
95 // Handles `Trait::assoc` as well as `<Ty as Trait>::assoc`.
81 for item in t.items(ctx.db) { 96 for item in t.items(ctx.db) {
82 if context_module.map_or(false, |m| !item.is_visible_from(ctx.db, m)) { 97 if context_module.map_or(false, |m| !item.is_visible_from(ctx.db, m)) {
83 continue; 98 continue;
@@ -91,8 +106,38 @@ pub(super) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
91 } 106 }
92 } 107 }
93 } 108 }
109 PathResolution::TypeParam(_) | PathResolution::SelfType(_) => {
110 if let Some(krate) = ctx.krate {
111 let ty = match res {
112 PathResolution::TypeParam(param) => param.ty(ctx.db),
113 PathResolution::SelfType(impl_def) => impl_def.target_ty(ctx.db),
114 _ => return,
115 };
116
117 let traits_in_scope = ctx.scope().traits_in_scope();
118 let mut seen = FxHashSet::default();
119 ty.iterate_path_candidates(ctx.db, krate, &traits_in_scope, None, |_ty, item| {
120 if context_module.map_or(false, |m| !item.is_visible_from(ctx.db, m)) {
121 return None;
122 }
123
124 // We might iterate candidates of a trait multiple times here, so deduplicate
125 // them.
126 if seen.insert(item) {
127 match item {
128 hir::AssocItem::Function(func) => {
129 acc.add_function(ctx, func, None);
130 }
131 hir::AssocItem::Const(ct) => acc.add_const(ctx, ct),
132 hir::AssocItem::TypeAlias(ty) => acc.add_type_alias(ctx, ty),
133 }
134 }
135 None::<()>
136 });
137 }
138 }
94 _ => {} 139 _ => {}
95 }; 140 }
96} 141}
97 142
98#[cfg(test)] 143#[cfg(test)]
@@ -844,6 +889,211 @@ mod tests {
844 } 889 }
845 890
846 #[test] 891 #[test]
892 fn completes_ty_param_assoc_ty() {
893 assert_debug_snapshot!(
894 do_reference_completion(
895 "
896 //- /lib.rs
897 trait Super {
898 type Ty;
899 const CONST: u8;
900 fn func() {}
901 fn method(&self) {}
902 }
903
904 trait Sub: Super {
905 type SubTy;
906 const C2: ();
907 fn subfunc() {}
908 fn submethod(&self) {}
909 }
910
911 fn foo<T: Sub>() {
912 T::<|>
913 }
914 "
915 ),
916 @r###"
917 [
918 CompletionItem {
919 label: "C2",
920 source_range: 219..219,
921 delete: 219..219,
922 insert: "C2",
923 kind: Const,
924 detail: "const C2: ();",
925 },
926 CompletionItem {
927 label: "CONST",
928 source_range: 219..219,
929 delete: 219..219,
930 insert: "CONST",
931 kind: Const,
932 detail: "const CONST: u8;",
933 },
934 CompletionItem {
935 label: "SubTy",
936 source_range: 219..219,
937 delete: 219..219,
938 insert: "SubTy",
939 kind: TypeAlias,
940 detail: "type SubTy;",
941 },
942 CompletionItem {
943 label: "Ty",
944 source_range: 219..219,
945 delete: 219..219,
946 insert: "Ty",
947 kind: TypeAlias,
948 detail: "type Ty;",
949 },
950 CompletionItem {
951 label: "func()",
952 source_range: 219..219,
953 delete: 219..219,
954 insert: "func()$0",
955 kind: Function,
956 lookup: "func",
957 detail: "fn func()",
958 },
959 CompletionItem {
960 label: "method()",
961 source_range: 219..219,
962 delete: 219..219,
963 insert: "method()$0",
964 kind: Method,
965 lookup: "method",
966 detail: "fn method(&self)",
967 },
968 CompletionItem {
969 label: "subfunc()",
970 source_range: 219..219,
971 delete: 219..219,
972 insert: "subfunc()$0",
973 kind: Function,
974 lookup: "subfunc",
975 detail: "fn subfunc()",
976 },
977 CompletionItem {
978 label: "submethod()",
979 source_range: 219..219,
980 delete: 219..219,
981 insert: "submethod()$0",
982 kind: Method,
983 lookup: "submethod",
984 detail: "fn submethod(&self)",
985 },
986 ]
987 "###
988 );
989 }
990
991 #[test]
992 fn completes_self_param_assoc_ty() {
993 assert_debug_snapshot!(
994 do_reference_completion(
995 "
996 //- /lib.rs
997 trait Super {
998 type Ty;
999 const CONST: u8 = 0;
1000 fn func() {}
1001 fn method(&self) {}
1002 }
1003
1004 trait Sub: Super {
1005 type SubTy;
1006 const C2: () = ();
1007 fn subfunc() {}
1008 fn submethod(&self) {}
1009 }
1010
1011 struct Wrap<T>(T);
1012 impl<T> Super for Wrap<T> {}
1013 impl<T> Sub for Wrap<T> {
1014 fn subfunc() {
1015 // Should be able to assume `Self: Sub + Super`
1016 Self::<|>
1017 }
1018 }
1019 "
1020 ),
1021 @r###"
1022 [
1023 CompletionItem {
1024 label: "C2",
1025 source_range: 365..365,
1026 delete: 365..365,
1027 insert: "C2",
1028 kind: Const,
1029 detail: "const C2: () = ();",
1030 },
1031 CompletionItem {
1032 label: "CONST",
1033 source_range: 365..365,
1034 delete: 365..365,
1035 insert: "CONST",
1036 kind: Const,
1037 detail: "const CONST: u8 = 0;",
1038 },
1039 CompletionItem {
1040 label: "SubTy",
1041 source_range: 365..365,
1042 delete: 365..365,
1043 insert: "SubTy",
1044 kind: TypeAlias,
1045 detail: "type SubTy;",
1046 },
1047 CompletionItem {
1048 label: "Ty",
1049 source_range: 365..365,
1050 delete: 365..365,
1051 insert: "Ty",
1052 kind: TypeAlias,
1053 detail: "type Ty;",
1054 },
1055 CompletionItem {
1056 label: "func()",
1057 source_range: 365..365,
1058 delete: 365..365,
1059 insert: "func()$0",
1060 kind: Function,
1061 lookup: "func",
1062 detail: "fn func()",
1063 },
1064 CompletionItem {
1065 label: "method()",
1066 source_range: 365..365,
1067 delete: 365..365,
1068 insert: "method()$0",
1069 kind: Method,
1070 lookup: "method",
1071 detail: "fn method(&self)",
1072 },
1073 CompletionItem {
1074 label: "subfunc()",
1075 source_range: 365..365,
1076 delete: 365..365,
1077 insert: "subfunc()$0",
1078 kind: Function,
1079 lookup: "subfunc",
1080 detail: "fn subfunc()",
1081 },
1082 CompletionItem {
1083 label: "submethod()",
1084 source_range: 365..365,
1085 delete: 365..365,
1086 insert: "submethod()$0",
1087 kind: Method,
1088 lookup: "submethod",
1089 detail: "fn submethod(&self)",
1090 },
1091 ]
1092 "###
1093 );
1094 }
1095
1096 #[test]
847 fn completes_type_alias() { 1097 fn completes_type_alias() {
848 assert_debug_snapshot!( 1098 assert_debug_snapshot!(
849 do_reference_completion( 1099 do_reference_completion(
diff --git a/crates/ra_ide/src/completion/complete_unqualified_path.rs b/crates/ra_ide/src/completion/complete_unqualified_path.rs
index f559f2b97..a6a5568de 100644
--- a/crates/ra_ide/src/completion/complete_unqualified_path.rs
+++ b/crates/ra_ide/src/completion/complete_unqualified_path.rs
@@ -53,7 +53,7 @@ fn complete_enum_variants(acc: &mut Completions, ctx: &CompletionContext, ty: &T
53 // Variants with trivial paths are already added by the existing completion logic, 53 // Variants with trivial paths are already added by the existing completion logic,
54 // so we should avoid adding these twice 54 // so we should avoid adding these twice
55 if path.segments.len() > 1 { 55 if path.segments.len() > 1 {
56 acc.add_enum_variant(ctx, variant, Some(path.to_string())); 56 acc.add_qualified_enum_variant(ctx, variant, path);
57 } 57 }
58 } 58 }
59 } 59 }
@@ -1173,6 +1173,7 @@ mod tests {
1173 delete: 248..250, 1173 delete: 248..250,
1174 insert: "Foo::Bar", 1174 insert: "Foo::Bar",
1175 kind: EnumVariant, 1175 kind: EnumVariant,
1176 lookup: "Bar",
1176 detail: "()", 1177 detail: "()",
1177 }, 1178 },
1178 CompletionItem { 1179 CompletionItem {
@@ -1181,6 +1182,7 @@ mod tests {
1181 delete: 248..250, 1182 delete: 248..250,
1182 insert: "Foo::Baz", 1183 insert: "Foo::Baz",
1183 kind: EnumVariant, 1184 kind: EnumVariant,
1185 lookup: "Baz",
1184 detail: "()", 1186 detail: "()",
1185 }, 1187 },
1186 CompletionItem { 1188 CompletionItem {
@@ -1189,6 +1191,7 @@ mod tests {
1189 delete: 248..250, 1191 delete: 248..250,
1190 insert: "Foo::Quux", 1192 insert: "Foo::Quux",
1191 kind: EnumVariant, 1193 kind: EnumVariant,
1194 lookup: "Quux",
1192 detail: "()", 1195 detail: "()",
1193 }, 1196 },
1194 ] 1197 ]
@@ -1231,6 +1234,7 @@ mod tests {
1231 delete: 219..221, 1234 delete: 219..221,
1232 insert: "Foo::Bar", 1235 insert: "Foo::Bar",
1233 kind: EnumVariant, 1236 kind: EnumVariant,
1237 lookup: "Bar",
1234 detail: "()", 1238 detail: "()",
1235 }, 1239 },
1236 CompletionItem { 1240 CompletionItem {
@@ -1239,6 +1243,7 @@ mod tests {
1239 delete: 219..221, 1243 delete: 219..221,
1240 insert: "Foo::Baz", 1244 insert: "Foo::Baz",
1241 kind: EnumVariant, 1245 kind: EnumVariant,
1246 lookup: "Baz",
1242 detail: "()", 1247 detail: "()",
1243 }, 1248 },
1244 CompletionItem { 1249 CompletionItem {
@@ -1247,6 +1252,7 @@ mod tests {
1247 delete: 219..221, 1252 delete: 219..221,
1248 insert: "Foo::Quux", 1253 insert: "Foo::Quux",
1249 kind: EnumVariant, 1254 kind: EnumVariant,
1255 lookup: "Quux",
1250 detail: "()", 1256 detail: "()",
1251 }, 1257 },
1252 ] 1258 ]
@@ -1285,6 +1291,7 @@ mod tests {
1285 delete: 185..186, 1291 delete: 185..186,
1286 insert: "Foo::Bar", 1292 insert: "Foo::Bar",
1287 kind: EnumVariant, 1293 kind: EnumVariant,
1294 lookup: "Bar",
1288 detail: "()", 1295 detail: "()",
1289 }, 1296 },
1290 CompletionItem { 1297 CompletionItem {
@@ -1293,6 +1300,7 @@ mod tests {
1293 delete: 185..186, 1300 delete: 185..186,
1294 insert: "Foo::Baz", 1301 insert: "Foo::Baz",
1295 kind: EnumVariant, 1302 kind: EnumVariant,
1303 lookup: "Baz",
1296 detail: "()", 1304 detail: "()",
1297 }, 1305 },
1298 CompletionItem { 1306 CompletionItem {
@@ -1301,6 +1309,7 @@ mod tests {
1301 delete: 185..186, 1309 delete: 185..186,
1302 insert: "Foo::Quux", 1310 insert: "Foo::Quux",
1303 kind: EnumVariant, 1311 kind: EnumVariant,
1312 lookup: "Quux",
1304 detail: "()", 1313 detail: "()",
1305 }, 1314 },
1306 CompletionItem { 1315 CompletionItem {
@@ -1353,6 +1362,7 @@ mod tests {
1353 delete: 98..99, 1362 delete: 98..99,
1354 insert: "m::E::V", 1363 insert: "m::E::V",
1355 kind: EnumVariant, 1364 kind: EnumVariant,
1365 lookup: "V",
1356 detail: "()", 1366 detail: "()",
1357 }, 1367 },
1358 ] 1368 ]
diff --git a/crates/ra_ide/src/completion/completion_context.rs b/crates/ra_ide/src/completion/completion_context.rs
index 118fceb2e..c529752d4 100644
--- a/crates/ra_ide/src/completion/completion_context.rs
+++ b/crates/ra_ide/src/completion/completion_context.rs
@@ -344,7 +344,7 @@ impl<'a> CompletionContext<'a> {
344 stmt.syntax().text_range() == name_ref.syntax().text_range(), 344 stmt.syntax().text_range() == name_ref.syntax().text_range(),
345 ); 345 );
346 } 346 }
347 if let Some(block) = ast::Block::cast(node) { 347 if let Some(block) = ast::BlockExpr::cast(node) {
348 return Some( 348 return Some(
349 block.expr().map(|e| e.syntax().text_range()) 349 block.expr().map(|e| e.syntax().text_range())
350 == Some(name_ref.syntax().text_range()), 350 == Some(name_ref.syntax().text_range()),
diff --git a/crates/ra_ide/src/completion/presentation.rs b/crates/ra_ide/src/completion/presentation.rs
index 77d354376..2edb130cf 100644
--- a/crates/ra_ide/src/completion/presentation.rs
+++ b/crates/ra_ide/src/completion/presentation.rs
@@ -1,6 +1,6 @@
1//! This modules takes care of rendering various definitions as completion items. 1//! This modules takes care of rendering various definitions as completion items.
2 2
3use hir::{Docs, HasAttrs, HasSource, HirDisplay, ScopeDef, StructKind, Type}; 3use hir::{Docs, HasAttrs, HasSource, HirDisplay, ModPath, ScopeDef, StructKind, Type};
4use ra_syntax::ast::NameOwner; 4use ra_syntax::ast::NameOwner;
5use stdx::SepBy; 5use stdx::SepBy;
6use test_utils::tested_by; 6use test_utils::tested_by;
@@ -246,14 +246,37 @@ impl Completions {
246 .add_to(self); 246 .add_to(self);
247 } 247 }
248 248
249 pub(crate) fn add_qualified_enum_variant(
250 &mut self,
251 ctx: &CompletionContext,
252 variant: hir::EnumVariant,
253 path: ModPath,
254 ) {
255 self.add_enum_variant_impl(ctx, variant, None, Some(path))
256 }
257
249 pub(crate) fn add_enum_variant( 258 pub(crate) fn add_enum_variant(
250 &mut self, 259 &mut self,
251 ctx: &CompletionContext, 260 ctx: &CompletionContext,
252 variant: hir::EnumVariant, 261 variant: hir::EnumVariant,
253 local_name: Option<String>, 262 local_name: Option<String>,
254 ) { 263 ) {
264 self.add_enum_variant_impl(ctx, variant, local_name, None)
265 }
266
267 fn add_enum_variant_impl(
268 &mut self,
269 ctx: &CompletionContext,
270 variant: hir::EnumVariant,
271 local_name: Option<String>,
272 path: Option<ModPath>,
273 ) {
255 let is_deprecated = is_deprecated(variant, ctx.db); 274 let is_deprecated = is_deprecated(variant, ctx.db);
256 let name = local_name.unwrap_or_else(|| variant.name(ctx.db).to_string()); 275 let name = local_name.unwrap_or_else(|| variant.name(ctx.db).to_string());
276 let qualified_name = match &path {
277 Some(it) => it.to_string(),
278 None => name.to_string(),
279 };
257 let detail_types = variant 280 let detail_types = variant
258 .fields(ctx.db) 281 .fields(ctx.db)
259 .into_iter() 282 .into_iter()
@@ -271,16 +294,23 @@ impl Completions {
271 .surround_with("{ ", " }") 294 .surround_with("{ ", " }")
272 .to_string(), 295 .to_string(),
273 }; 296 };
274 let mut res = 297 let mut res = CompletionItem::new(
275 CompletionItem::new(CompletionKind::Reference, ctx.source_range(), name.clone()) 298 CompletionKind::Reference,
276 .kind(CompletionItemKind::EnumVariant) 299 ctx.source_range(),
277 .set_documentation(variant.docs(ctx.db)) 300 qualified_name.clone(),
278 .set_deprecated(is_deprecated) 301 )
279 .detail(detail); 302 .kind(CompletionItemKind::EnumVariant)
303 .set_documentation(variant.docs(ctx.db))
304 .set_deprecated(is_deprecated)
305 .detail(detail);
306
307 if path.is_some() {
308 res = res.lookup_by(name);
309 }
280 310
281 if variant_kind == StructKind::Tuple { 311 if variant_kind == StructKind::Tuple {
282 let params = Params::Anonymous(variant.fields(ctx.db).len()); 312 let params = Params::Anonymous(variant.fields(ctx.db).len());
283 res = res.add_call_parens(ctx, name, params) 313 res = res.add_call_parens(ctx, qualified_name, params)
284 } 314 }
285 315
286 res.add_to(self); 316 res.add_to(self);
diff --git a/crates/ra_ide/src/display/function_signature.rs b/crates/ra_ide/src/display/function_signature.rs
index b5e2785fe..db3907fe6 100644
--- a/crates/ra_ide/src/display/function_signature.rs
+++ b/crates/ra_ide/src/display/function_signature.rs
@@ -26,6 +26,8 @@ pub struct FunctionSignature {
26 pub kind: CallableKind, 26 pub kind: CallableKind,
27 /// Optional visibility 27 /// Optional visibility
28 pub visibility: Option<String>, 28 pub visibility: Option<String>,
29 /// Qualifiers like `async`, `unsafe`, ...
30 pub qualifier: FunctionQualifier,
29 /// Name of the function 31 /// Name of the function
30 pub name: Option<String>, 32 pub name: Option<String>,
31 /// Documentation for the function 33 /// Documentation for the function
@@ -46,6 +48,16 @@ pub struct FunctionSignature {
46 pub has_self_param: bool, 48 pub has_self_param: bool,
47} 49}
48 50
51#[derive(Debug, Default)]
52pub struct FunctionQualifier {
53 // `async` and `const` are mutually exclusive. Do we need to enforcing it here?
54 pub is_async: bool,
55 pub is_const: bool,
56 pub is_unsafe: bool,
57 /// The string `extern ".."`
58 pub extern_abi: Option<String>,
59}
60
49impl FunctionSignature { 61impl FunctionSignature {
50 pub(crate) fn with_doc_opt(mut self, doc: Option<Documentation>) -> Self { 62 pub(crate) fn with_doc_opt(mut self, doc: Option<Documentation>) -> Self {
51 self.doc = doc; 63 self.doc = doc;
@@ -83,6 +95,8 @@ impl FunctionSignature {
83 FunctionSignature { 95 FunctionSignature {
84 kind: CallableKind::StructConstructor, 96 kind: CallableKind::StructConstructor,
85 visibility: node.visibility().map(|n| n.syntax().text().to_string()), 97 visibility: node.visibility().map(|n| n.syntax().text().to_string()),
98 // Do we need `const`?
99 qualifier: Default::default(),
86 name: node.name().map(|n| n.text().to_string()), 100 name: node.name().map(|n| n.text().to_string()),
87 ret_type: node.name().map(|n| n.text().to_string()), 101 ret_type: node.name().map(|n| n.text().to_string()),
88 parameters: params, 102 parameters: params,
@@ -128,6 +142,8 @@ impl FunctionSignature {
128 FunctionSignature { 142 FunctionSignature {
129 kind: CallableKind::VariantConstructor, 143 kind: CallableKind::VariantConstructor,
130 visibility: None, 144 visibility: None,
145 // Do we need `const`?
146 qualifier: Default::default(),
131 name: Some(name), 147 name: Some(name),
132 ret_type: None, 148 ret_type: None,
133 parameters: params, 149 parameters: params,
@@ -151,6 +167,7 @@ impl FunctionSignature {
151 FunctionSignature { 167 FunctionSignature {
152 kind: CallableKind::Macro, 168 kind: CallableKind::Macro,
153 visibility: None, 169 visibility: None,
170 qualifier: Default::default(),
154 name: node.name().map(|n| n.text().to_string()), 171 name: node.name().map(|n| n.text().to_string()),
155 ret_type: None, 172 ret_type: None,
156 parameters: params, 173 parameters: params,
@@ -223,6 +240,12 @@ impl From<&'_ ast::FnDef> for FunctionSignature {
223 FunctionSignature { 240 FunctionSignature {
224 kind: CallableKind::Function, 241 kind: CallableKind::Function,
225 visibility: node.visibility().map(|n| n.syntax().text().to_string()), 242 visibility: node.visibility().map(|n| n.syntax().text().to_string()),
243 qualifier: FunctionQualifier {
244 is_async: node.async_token().is_some(),
245 is_const: node.const_token().is_some(),
246 is_unsafe: node.unsafe_token().is_some(),
247 extern_abi: node.abi().map(|n| n.to_string()),
248 },
226 name: node.name().map(|n| n.text().to_string()), 249 name: node.name().map(|n| n.text().to_string()),
227 ret_type: node 250 ret_type: node
228 .ret_type() 251 .ret_type()
@@ -246,6 +269,23 @@ impl Display for FunctionSignature {
246 write!(f, "{} ", t)?; 269 write!(f, "{} ", t)?;
247 } 270 }
248 271
272 if self.qualifier.is_async {
273 write!(f, "async ")?;
274 }
275
276 if self.qualifier.is_const {
277 write!(f, "const ")?;
278 }
279
280 if self.qualifier.is_unsafe {
281 write!(f, "unsafe ")?;
282 }
283
284 if let Some(extern_abi) = &self.qualifier.extern_abi {
285 // Keyword `extern` is included in the string.
286 write!(f, "{} ", extern_abi)?;
287 }
288
249 if let Some(name) = &self.name { 289 if let Some(name) = &self.name {
250 match self.kind { 290 match self.kind {
251 CallableKind::Function => write!(f, "fn {}", name)?, 291 CallableKind::Function => write!(f, "fn {}", name)?,
diff --git a/crates/ra_ide/src/display/short_label.rs b/crates/ra_ide/src/display/short_label.rs
index 4b081bf6c..d37260e96 100644
--- a/crates/ra_ide/src/display/short_label.rs
+++ b/crates/ra_ide/src/display/short_label.rs
@@ -33,7 +33,11 @@ impl ShortLabel for ast::EnumDef {
33 33
34impl ShortLabel for ast::TraitDef { 34impl ShortLabel for ast::TraitDef {
35 fn short_label(&self) -> Option<String> { 35 fn short_label(&self) -> Option<String> {
36 short_label_from_node(self, "trait ") 36 if self.unsafe_token().is_some() {
37 short_label_from_node(self, "unsafe trait ")
38 } else {
39 short_label_from_node(self, "trait ")
40 }
37 } 41 }
38} 42}
39 43
diff --git a/crates/ra_ide/src/folding_ranges.rs b/crates/ra_ide/src/folding_ranges.rs
index 4379005aa..8657377de 100644
--- a/crates/ra_ide/src/folding_ranges.rs
+++ b/crates/ra_ide/src/folding_ranges.rs
@@ -88,7 +88,7 @@ fn fold_kind(kind: SyntaxKind) -> Option<FoldKind> {
88 | ITEM_LIST 88 | ITEM_LIST
89 | EXTERN_ITEM_LIST 89 | EXTERN_ITEM_LIST
90 | USE_TREE_LIST 90 | USE_TREE_LIST
91 | BLOCK 91 | BLOCK_EXPR
92 | MATCH_ARM_LIST 92 | MATCH_ARM_LIST
93 | ENUM_VARIANT_LIST 93 | ENUM_VARIANT_LIST
94 | TOKEN_TREE => Some(FoldKind::Block), 94 | TOKEN_TREE => Some(FoldKind::Block),
diff --git a/crates/ra_ide/src/hover.rs b/crates/ra_ide/src/hover.rs
index 58c799eca..54d318858 100644
--- a/crates/ra_ide/src/hover.rs
+++ b/crates/ra_ide/src/hover.rs
@@ -844,4 +844,40 @@ fn func(foo: i32) { if true { <|>foo; }; }
844 &["fn foo()\n```\n\n<- `\u{3000}` here"], 844 &["fn foo()\n```\n\n<- `\u{3000}` here"],
845 ); 845 );
846 } 846 }
847
848 #[test]
849 fn test_hover_function_show_qualifiers() {
850 check_hover_result(
851 "
852 //- /lib.rs
853 async fn foo<|>() {}
854 ",
855 &["async fn foo()"],
856 );
857 check_hover_result(
858 "
859 //- /lib.rs
860 pub const unsafe fn foo<|>() {}
861 ",
862 &["pub const unsafe fn foo()"],
863 );
864 check_hover_result(
865 r#"
866 //- /lib.rs
867 pub(crate) async unsafe extern "C" fn foo<|>() {}
868 "#,
869 &[r#"pub(crate) async unsafe extern "C" fn foo()"#],
870 );
871 }
872
873 #[test]
874 fn test_hover_trait_show_qualifiers() {
875 check_hover_result(
876 "
877 //- /lib.rs
878 unsafe trait foo<|>() {}
879 ",
880 &["unsafe trait foo"],
881 );
882 }
847} 883}
diff --git a/crates/ra_ide/src/join_lines.rs b/crates/ra_ide/src/join_lines.rs
index fde0bfa98..63fd6b3e4 100644
--- a/crates/ra_ide/src/join_lines.rs
+++ b/crates/ra_ide/src/join_lines.rs
@@ -129,8 +129,10 @@ fn has_comma_after(node: &SyntaxNode) -> bool {
129} 129}
130 130
131fn join_single_expr_block(edit: &mut TextEditBuilder, token: &SyntaxToken) -> Option<()> { 131fn join_single_expr_block(edit: &mut TextEditBuilder, token: &SyntaxToken) -> Option<()> {
132 let block = ast::Block::cast(token.parent())?; 132 let block_expr = ast::BlockExpr::cast(token.parent())?;
133 let block_expr = ast::BlockExpr::cast(block.syntax().parent()?)?; 133 if !block_expr.is_standalone() {
134 return None;
135 }
134 let expr = extract_trivial_expression(&block_expr)?; 136 let expr = extract_trivial_expression(&block_expr)?;
135 137
136 let block_range = block_expr.syntax().text_range(); 138 let block_range = block_expr.syntax().text_range();
@@ -662,4 +664,67 @@ fn main() {
662 ", 664 ",
663 ) 665 )
664 } 666 }
667
668 #[test]
669 fn join_lines_mandatory_blocks_block() {
670 check_join_lines(
671 r"
672<|>fn foo() {
673 92
674}
675 ",
676 r"
677<|>fn foo() { 92
678}
679 ",
680 );
681
682 check_join_lines(
683 r"
684fn foo() {
685 <|>if true {
686 92
687 }
688}
689 ",
690 r"
691fn foo() {
692 <|>if true { 92
693 }
694}
695 ",
696 );
697
698 check_join_lines(
699 r"
700fn foo() {
701 <|>loop {
702 92
703 }
704}
705 ",
706 r"
707fn foo() {
708 <|>loop { 92
709 }
710}
711 ",
712 );
713
714 check_join_lines(
715 r"
716fn foo() {
717 <|>unsafe {
718 92
719 }
720}
721 ",
722 r"
723fn foo() {
724 <|>unsafe { 92
725 }
726}
727 ",
728 );
729 }
665} 730}
diff --git a/crates/ra_ide/src/syntax_tree.rs b/crates/ra_ide/src/syntax_tree.rs
index bf97f8c56..86c70ff83 100644
--- a/crates/ra_ide/src/syntax_tree.rs
+++ b/crates/ra_ide/src/syntax_tree.rs
@@ -120,9 +120,8 @@ [email protected]
120 [email protected] ")" 120 [email protected] ")"
121 [email protected] " " 121 [email protected] " "
122 [email protected] 122 [email protected]
123 [email protected] 123 [email protected] "{"
124 [email protected] "{" 124 [email protected] "}"
125 [email protected] "}"
126"# 125"#
127 .trim() 126 .trim()
128 ); 127 );
@@ -153,26 +152,25 @@ [email protected]
153 [email protected] ")" 152 [email protected] ")"
154 [email protected] " " 153 [email protected] " "
155 [email protected] 154 [email protected]
156 [email protected] 155 [email protected] "{"
157 [email protected] "{" 156 [email protected] "\n "
158 [email protected] "\n " 157 [email protected]
159 [email protected] 158 [email protected]
160 [email protected] 159 [email protected]
161 [email protected] 160 [email protected]
162 [email protected] 161 [email protected]
163 [email protected] 162 [email protected] "assert"
164 [email protected] "assert" 163 [email protected] "!"
165 [email protected] "!" 164 [email protected]
166 [email protected] 165 [email protected] "("
167 [email protected] "(" 166 [email protected] "\"\n fn foo() {\n ..."
168 [email protected] "\"\n fn foo() {\n ..." 167 [email protected] ","
169 [email protected] "," 168 [email protected] " "
170 [email protected] " " 169 [email protected] "\"\""
171 [email protected] "\"\"" 170 [email protected] ")"
172 [email protected] ")" 171 [email protected] ";"
173 [email protected] ";" 172 [email protected] "\n"
174 [email protected] "\n" 173 [email protected] "}"
175 [email protected] "}"
176"# 174"#
177 .trim() 175 .trim()
178 ); 176 );
@@ -196,9 +194,8 @@ [email protected]
196 [email protected] ")" 194 [email protected] ")"
197 [email protected] " " 195 [email protected] " "
198 [email protected] 196 [email protected]
199 [email protected] 197 [email protected] "{"
200 [email protected] "{" 198 [email protected] "}"
201 [email protected] "}"
202"# 199"#
203 .trim() 200 .trim()
204 ); 201 );
@@ -265,10 +262,9 @@ [email protected]
265 [email protected] ")" 262 [email protected] ")"
266 [email protected] " " 263 [email protected] " "
267 [email protected] 264 [email protected]
268 [email protected] 265 [email protected] "{"
269 [email protected] "{" 266 [email protected] "\n"
270 [email protected] "\n" 267 [email protected] "}"
271 [email protected] "}"
272"# 268"#
273 .trim() 269 .trim()
274 ); 270 );
@@ -300,10 +296,9 @@ [email protected]
300 [email protected] ")" 296 [email protected] ")"
301 [email protected] " " 297 [email protected] " "
302 [email protected] 298 [email protected]
303 [email protected] 299 [email protected] "{"
304 [email protected] "{" 300 [email protected] "\n"
305 [email protected] "\n" 301 [email protected] "}"
306 [email protected] "}"
307"# 302"#
308 .trim() 303 .trim()
309 ); 304 );
@@ -334,10 +329,9 @@ [email protected]
334 [email protected] ")" 329 [email protected] ")"
335 [email protected] " " 330 [email protected] " "
336 [email protected] 331 [email protected]
337 [email protected] 332 [email protected] "{"
338 [email protected] "{" 333 [email protected] "\n"
339 [email protected] "\n" 334 [email protected] "}"
340 [email protected] "}"
341 [email protected] "\n" 335 [email protected] "\n"
342 [email protected] 336 [email protected]
343 [email protected] "fn" 337 [email protected] "fn"
@@ -349,10 +343,9 @@ [email protected]
349 [email protected] ")" 343 [email protected] ")"
350 [email protected] " " 344 [email protected] " "
351 [email protected] 345 [email protected]
352 [email protected] 346 [email protected] "{"
353 [email protected] "{" 347 [email protected] "\n"
354 [email protected] "\n" 348 [email protected] "}"
355 [email protected] "}"
356"# 349"#
357 .trim() 350 .trim()
358 ); 351 );
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