diff options
Diffstat (limited to 'crates/ide/src/diagnostics')
-rw-r--r-- | crates/ide/src/diagnostics/field_shorthand.rs | 13 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes.rs | 296 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/change_case.rs | 155 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/create_field.rs | 156 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/fill_missing_fields.rs | 217 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/remove_semicolon.rs | 41 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/replace_with_find_map.rs | 84 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/unresolved_module.rs | 89 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs | 211 | ||||
-rw-r--r-- | crates/ide/src/diagnostics/unlinked_file.rs | 54 |
10 files changed, 1009 insertions, 307 deletions
diff --git a/crates/ide/src/diagnostics/field_shorthand.rs b/crates/ide/src/diagnostics/field_shorthand.rs index 2b1787f9b..01bd2dba6 100644 --- a/crates/ide/src/diagnostics/field_shorthand.rs +++ b/crates/ide/src/diagnostics/field_shorthand.rs | |||
@@ -46,14 +46,13 @@ fn check_expr_field_shorthand( | |||
46 | 46 | ||
47 | let field_range = record_field.syntax().text_range(); | 47 | let field_range = record_field.syntax().text_range(); |
48 | acc.push( | 48 | acc.push( |
49 | Diagnostic::hint(field_range, "Shorthand struct initialization".to_string()).with_fix( | 49 | Diagnostic::hint(field_range, "Shorthand struct initialization".to_string()) |
50 | Some(fix( | 50 | .with_fixes(Some(vec![fix( |
51 | "use_expr_field_shorthand", | 51 | "use_expr_field_shorthand", |
52 | "Use struct shorthand initialization", | 52 | "Use struct shorthand initialization", |
53 | SourceChange::from_text_edit(file_id, edit), | 53 | SourceChange::from_text_edit(file_id, edit), |
54 | field_range, | 54 | field_range, |
55 | )), | 55 | )])), |
56 | ), | ||
57 | ); | 56 | ); |
58 | } | 57 | } |
59 | } | 58 | } |
@@ -86,13 +85,13 @@ fn check_pat_field_shorthand( | |||
86 | let edit = edit_builder.finish(); | 85 | let edit = edit_builder.finish(); |
87 | 86 | ||
88 | let field_range = record_pat_field.syntax().text_range(); | 87 | let field_range = record_pat_field.syntax().text_range(); |
89 | acc.push(Diagnostic::hint(field_range, "Shorthand struct pattern".to_string()).with_fix( | 88 | acc.push(Diagnostic::hint(field_range, "Shorthand struct pattern".to_string()).with_fixes( |
90 | Some(fix( | 89 | Some(vec![fix( |
91 | "use_pat_field_shorthand", | 90 | "use_pat_field_shorthand", |
92 | "Use struct field shorthand", | 91 | "Use struct field shorthand", |
93 | SourceChange::from_text_edit(file_id, edit), | 92 | SourceChange::from_text_edit(file_id, edit), |
94 | field_range, | 93 | field_range, |
95 | )), | 94 | )]), |
96 | )); | 95 | )); |
97 | } | 96 | } |
98 | } | 97 | } |
diff --git a/crates/ide/src/diagnostics/fixes.rs b/crates/ide/src/diagnostics/fixes.rs index 15821500f..258ac6974 100644 --- a/crates/ide/src/diagnostics/fixes.rs +++ b/crates/ide/src/diagnostics/fixes.rs | |||
@@ -1,297 +1,31 @@ | |||
1 | //! Provides a way to attach fixes to the diagnostics. | 1 | //! Provides a way to attach fixes to the diagnostics. |
2 | //! The same module also has all curret custom fixes for the diagnostics implemented. | 2 | //! The same module also has all curret custom fixes for the diagnostics implemented. |
3 | use hir::{ | 3 | mod change_case; |
4 | db::AstDatabase, | 4 | mod create_field; |
5 | diagnostics::{ | 5 | mod fill_missing_fields; |
6 | Diagnostic, IncorrectCase, MissingFields, MissingOkOrSomeInTailExpr, NoSuchField, | 6 | mod remove_semicolon; |
7 | RemoveThisSemicolon, ReplaceFilterMapNextWithFindMap, UnresolvedModule, | 7 | mod replace_with_find_map; |
8 | }, | 8 | mod unresolved_module; |
9 | HasSource, HirDisplay, InFile, Semantics, VariantDef, | 9 | mod wrap_tail_expr; |
10 | }; | 10 | |
11 | use hir::{diagnostics::Diagnostic, Semantics}; | ||
11 | use ide_assists::AssistResolveStrategy; | 12 | use ide_assists::AssistResolveStrategy; |
12 | use ide_db::{ | 13 | use ide_db::RootDatabase; |
13 | base_db::{AnchoredPathBuf, FileId}, | ||
14 | source_change::{FileSystemEdit, SourceChange}, | ||
15 | RootDatabase, | ||
16 | }; | ||
17 | use syntax::{ | ||
18 | algo, | ||
19 | ast::{self, edit::IndentLevel, make, ArgListOwner}, | ||
20 | AstNode, TextRange, | ||
21 | }; | ||
22 | use text_edit::TextEdit; | ||
23 | 14 | ||
24 | use crate::{ | 15 | use crate::Assist; |
25 | diagnostics::{fix, unresolved_fix}, | ||
26 | references::rename::rename_with_semantics, | ||
27 | Assist, FilePosition, | ||
28 | }; | ||
29 | 16 | ||
30 | /// A [Diagnostic] that potentially has a fix available. | 17 | /// A [Diagnostic] that potentially has some fixes available. |
31 | /// | 18 | /// |
32 | /// [Diagnostic]: hir::diagnostics::Diagnostic | 19 | /// [Diagnostic]: hir::diagnostics::Diagnostic |
33 | pub(crate) trait DiagnosticWithFix: Diagnostic { | 20 | pub(crate) trait DiagnosticWithFixes: Diagnostic { |
34 | /// `resolve` determines if the diagnostic should fill in the `edit` field | 21 | /// `resolve` determines if the diagnostic should fill in the `edit` field |
35 | /// of the assist. | 22 | /// of the assist. |
36 | /// | 23 | /// |
37 | /// If `resolve` is false, the edit will be computed later, on demand, and | 24 | /// If `resolve` is false, the edit will be computed later, on demand, and |
38 | /// can be omitted. | 25 | /// can be omitted. |
39 | fn fix( | 26 | fn fixes( |
40 | &self, | 27 | &self, |
41 | sema: &Semantics<RootDatabase>, | 28 | sema: &Semantics<RootDatabase>, |
42 | _resolve: &AssistResolveStrategy, | 29 | _resolve: &AssistResolveStrategy, |
43 | ) -> Option<Assist>; | 30 | ) -> Option<Vec<Assist>>; |
44 | } | ||
45 | |||
46 | impl DiagnosticWithFix for UnresolvedModule { | ||
47 | fn fix( | ||
48 | &self, | ||
49 | sema: &Semantics<RootDatabase>, | ||
50 | _resolve: &AssistResolveStrategy, | ||
51 | ) -> Option<Assist> { | ||
52 | let root = sema.db.parse_or_expand(self.file)?; | ||
53 | let unresolved_module = self.decl.to_node(&root); | ||
54 | Some(fix( | ||
55 | "create_module", | ||
56 | "Create module", | ||
57 | FileSystemEdit::CreateFile { | ||
58 | dst: AnchoredPathBuf { | ||
59 | anchor: self.file.original_file(sema.db), | ||
60 | path: self.candidate.clone(), | ||
61 | }, | ||
62 | initial_contents: "".to_string(), | ||
63 | } | ||
64 | .into(), | ||
65 | unresolved_module.syntax().text_range(), | ||
66 | )) | ||
67 | } | ||
68 | } | ||
69 | |||
70 | impl DiagnosticWithFix for NoSuchField { | ||
71 | fn fix( | ||
72 | &self, | ||
73 | sema: &Semantics<RootDatabase>, | ||
74 | _resolve: &AssistResolveStrategy, | ||
75 | ) -> Option<Assist> { | ||
76 | let root = sema.db.parse_or_expand(self.file)?; | ||
77 | missing_record_expr_field_fix( | ||
78 | &sema, | ||
79 | self.file.original_file(sema.db), | ||
80 | &self.field.to_node(&root), | ||
81 | ) | ||
82 | } | ||
83 | } | ||
84 | |||
85 | impl DiagnosticWithFix for MissingFields { | ||
86 | fn fix( | ||
87 | &self, | ||
88 | sema: &Semantics<RootDatabase>, | ||
89 | _resolve: &AssistResolveStrategy, | ||
90 | ) -> Option<Assist> { | ||
91 | // Note that although we could add a diagnostics to | ||
92 | // fill the missing tuple field, e.g : | ||
93 | // `struct A(usize);` | ||
94 | // `let a = A { 0: () }` | ||
95 | // but it is uncommon usage and it should not be encouraged. | ||
96 | if self.missed_fields.iter().any(|it| it.as_tuple_index().is_some()) { | ||
97 | return None; | ||
98 | } | ||
99 | |||
100 | let root = sema.db.parse_or_expand(self.file)?; | ||
101 | let field_list_parent = self.field_list_parent.to_node(&root); | ||
102 | let old_field_list = field_list_parent.record_expr_field_list()?; | ||
103 | let mut new_field_list = old_field_list.clone(); | ||
104 | for f in self.missed_fields.iter() { | ||
105 | let field = | ||
106 | make::record_expr_field(make::name_ref(&f.to_string()), Some(make::expr_unit())); | ||
107 | new_field_list = new_field_list.append_field(&field); | ||
108 | } | ||
109 | |||
110 | let edit = { | ||
111 | let mut builder = TextEdit::builder(); | ||
112 | algo::diff(&old_field_list.syntax(), &new_field_list.syntax()) | ||
113 | .into_text_edit(&mut builder); | ||
114 | builder.finish() | ||
115 | }; | ||
116 | Some(fix( | ||
117 | "fill_missing_fields", | ||
118 | "Fill struct fields", | ||
119 | SourceChange::from_text_edit(self.file.original_file(sema.db), edit), | ||
120 | sema.original_range(&field_list_parent.syntax()).range, | ||
121 | )) | ||
122 | } | ||
123 | } | ||
124 | |||
125 | impl DiagnosticWithFix for MissingOkOrSomeInTailExpr { | ||
126 | fn fix( | ||
127 | &self, | ||
128 | sema: &Semantics<RootDatabase>, | ||
129 | _resolve: &AssistResolveStrategy, | ||
130 | ) -> Option<Assist> { | ||
131 | let root = sema.db.parse_or_expand(self.file)?; | ||
132 | let tail_expr = self.expr.to_node(&root); | ||
133 | let tail_expr_range = tail_expr.syntax().text_range(); | ||
134 | let replacement = format!("{}({})", self.required, tail_expr.syntax()); | ||
135 | let edit = TextEdit::replace(tail_expr_range, replacement); | ||
136 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
137 | let name = if self.required == "Ok" { "Wrap with Ok" } else { "Wrap with Some" }; | ||
138 | Some(fix("wrap_tail_expr", name, source_change, tail_expr_range)) | ||
139 | } | ||
140 | } | ||
141 | |||
142 | impl DiagnosticWithFix for RemoveThisSemicolon { | ||
143 | fn fix( | ||
144 | &self, | ||
145 | sema: &Semantics<RootDatabase>, | ||
146 | _resolve: &AssistResolveStrategy, | ||
147 | ) -> Option<Assist> { | ||
148 | let root = sema.db.parse_or_expand(self.file)?; | ||
149 | |||
150 | let semicolon = self | ||
151 | .expr | ||
152 | .to_node(&root) | ||
153 | .syntax() | ||
154 | .parent() | ||
155 | .and_then(ast::ExprStmt::cast) | ||
156 | .and_then(|expr| expr.semicolon_token())? | ||
157 | .text_range(); | ||
158 | |||
159 | let edit = TextEdit::delete(semicolon); | ||
160 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
161 | |||
162 | Some(fix("remove_semicolon", "Remove this semicolon", source_change, semicolon)) | ||
163 | } | ||
164 | } | ||
165 | |||
166 | impl DiagnosticWithFix for IncorrectCase { | ||
167 | fn fix( | ||
168 | &self, | ||
169 | sema: &Semantics<RootDatabase>, | ||
170 | resolve: &AssistResolveStrategy, | ||
171 | ) -> Option<Assist> { | ||
172 | let root = sema.db.parse_or_expand(self.file)?; | ||
173 | let name_node = self.ident.to_node(&root); | ||
174 | |||
175 | let name_node = InFile::new(self.file, name_node.syntax()); | ||
176 | let frange = name_node.original_file_range(sema.db); | ||
177 | let file_position = FilePosition { file_id: frange.file_id, offset: frange.range.start() }; | ||
178 | |||
179 | let label = format!("Rename to {}", self.suggested_text); | ||
180 | let mut res = unresolved_fix("change_case", &label, frange.range); | ||
181 | if resolve.should_resolve(&res.id) { | ||
182 | let source_change = rename_with_semantics(sema, file_position, &self.suggested_text); | ||
183 | res.source_change = Some(source_change.ok().unwrap_or_default()); | ||
184 | } | ||
185 | |||
186 | Some(res) | ||
187 | } | ||
188 | } | ||
189 | |||
190 | impl DiagnosticWithFix for ReplaceFilterMapNextWithFindMap { | ||
191 | fn fix( | ||
192 | &self, | ||
193 | sema: &Semantics<RootDatabase>, | ||
194 | _resolve: &AssistResolveStrategy, | ||
195 | ) -> Option<Assist> { | ||
196 | let root = sema.db.parse_or_expand(self.file)?; | ||
197 | let next_expr = self.next_expr.to_node(&root); | ||
198 | let next_call = ast::MethodCallExpr::cast(next_expr.syntax().clone())?; | ||
199 | |||
200 | let filter_map_call = ast::MethodCallExpr::cast(next_call.receiver()?.syntax().clone())?; | ||
201 | let filter_map_name_range = filter_map_call.name_ref()?.ident_token()?.text_range(); | ||
202 | let filter_map_args = filter_map_call.arg_list()?; | ||
203 | |||
204 | let range_to_replace = | ||
205 | TextRange::new(filter_map_name_range.start(), next_expr.syntax().text_range().end()); | ||
206 | let replacement = format!("find_map{}", filter_map_args.syntax().text()); | ||
207 | let trigger_range = next_expr.syntax().text_range(); | ||
208 | |||
209 | let edit = TextEdit::replace(range_to_replace, replacement); | ||
210 | |||
211 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
212 | |||
213 | Some(fix( | ||
214 | "replace_with_find_map", | ||
215 | "Replace filter_map(..).next() with find_map()", | ||
216 | source_change, | ||
217 | trigger_range, | ||
218 | )) | ||
219 | } | ||
220 | } | ||
221 | |||
222 | fn missing_record_expr_field_fix( | ||
223 | sema: &Semantics<RootDatabase>, | ||
224 | usage_file_id: FileId, | ||
225 | record_expr_field: &ast::RecordExprField, | ||
226 | ) -> Option<Assist> { | ||
227 | let record_lit = ast::RecordExpr::cast(record_expr_field.syntax().parent()?.parent()?)?; | ||
228 | let def_id = sema.resolve_variant(record_lit)?; | ||
229 | let module; | ||
230 | let def_file_id; | ||
231 | let record_fields = match def_id { | ||
232 | VariantDef::Struct(s) => { | ||
233 | module = s.module(sema.db); | ||
234 | let source = s.source(sema.db)?; | ||
235 | def_file_id = source.file_id; | ||
236 | let fields = source.value.field_list()?; | ||
237 | record_field_list(fields)? | ||
238 | } | ||
239 | VariantDef::Union(u) => { | ||
240 | module = u.module(sema.db); | ||
241 | let source = u.source(sema.db)?; | ||
242 | def_file_id = source.file_id; | ||
243 | source.value.record_field_list()? | ||
244 | } | ||
245 | VariantDef::Variant(e) => { | ||
246 | module = e.module(sema.db); | ||
247 | let source = e.source(sema.db)?; | ||
248 | def_file_id = source.file_id; | ||
249 | let fields = source.value.field_list()?; | ||
250 | record_field_list(fields)? | ||
251 | } | ||
252 | }; | ||
253 | let def_file_id = def_file_id.original_file(sema.db); | ||
254 | |||
255 | let new_field_type = sema.type_of_expr(&record_expr_field.expr()?)?; | ||
256 | if new_field_type.is_unknown() { | ||
257 | return None; | ||
258 | } | ||
259 | let new_field = make::record_field( | ||
260 | None, | ||
261 | make::name(&record_expr_field.field_name()?.text()), | ||
262 | make::ty(&new_field_type.display_source_code(sema.db, module.into()).ok()?), | ||
263 | ); | ||
264 | |||
265 | let last_field = record_fields.fields().last()?; | ||
266 | let last_field_syntax = last_field.syntax(); | ||
267 | let indent = IndentLevel::from_node(last_field_syntax); | ||
268 | |||
269 | let mut new_field = new_field.to_string(); | ||
270 | if usage_file_id != def_file_id { | ||
271 | new_field = format!("pub(crate) {}", new_field); | ||
272 | } | ||
273 | new_field = format!("\n{}{}", indent, new_field); | ||
274 | |||
275 | let needs_comma = !last_field_syntax.to_string().ends_with(','); | ||
276 | if needs_comma { | ||
277 | new_field = format!(",{}", new_field); | ||
278 | } | ||
279 | |||
280 | let source_change = SourceChange::from_text_edit( | ||
281 | def_file_id, | ||
282 | TextEdit::insert(last_field_syntax.text_range().end(), new_field), | ||
283 | ); | ||
284 | return Some(fix( | ||
285 | "create_field", | ||
286 | "Create field", | ||
287 | source_change, | ||
288 | record_expr_field.syntax().text_range(), | ||
289 | )); | ||
290 | |||
291 | fn record_field_list(field_def_list: ast::FieldList) -> Option<ast::RecordFieldList> { | ||
292 | match field_def_list { | ||
293 | ast::FieldList::RecordFieldList(it) => Some(it), | ||
294 | ast::FieldList::TupleFieldList(_) => None, | ||
295 | } | ||
296 | } | ||
297 | } | 31 | } |
diff --git a/crates/ide/src/diagnostics/fixes/change_case.rs b/crates/ide/src/diagnostics/fixes/change_case.rs new file mode 100644 index 000000000..42be3375f --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/change_case.rs | |||
@@ -0,0 +1,155 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::IncorrectCase, InFile, Semantics}; | ||
2 | use ide_assists::{Assist, AssistResolveStrategy}; | ||
3 | use ide_db::{base_db::FilePosition, RootDatabase}; | ||
4 | use syntax::AstNode; | ||
5 | |||
6 | use crate::{ | ||
7 | diagnostics::{unresolved_fix, DiagnosticWithFixes}, | ||
8 | references::rename::rename_with_semantics, | ||
9 | }; | ||
10 | |||
11 | impl DiagnosticWithFixes for IncorrectCase { | ||
12 | fn fixes( | ||
13 | &self, | ||
14 | sema: &Semantics<RootDatabase>, | ||
15 | resolve: &AssistResolveStrategy, | ||
16 | ) -> Option<Vec<Assist>> { | ||
17 | let root = sema.db.parse_or_expand(self.file)?; | ||
18 | let name_node = self.ident.to_node(&root); | ||
19 | |||
20 | let name_node = InFile::new(self.file, name_node.syntax()); | ||
21 | let frange = name_node.original_file_range(sema.db); | ||
22 | let file_position = FilePosition { file_id: frange.file_id, offset: frange.range.start() }; | ||
23 | |||
24 | let label = format!("Rename to {}", self.suggested_text); | ||
25 | let mut res = unresolved_fix("change_case", &label, frange.range); | ||
26 | if resolve.should_resolve(&res.id) { | ||
27 | let source_change = rename_with_semantics(sema, file_position, &self.suggested_text); | ||
28 | res.source_change = Some(source_change.ok().unwrap_or_default()); | ||
29 | } | ||
30 | |||
31 | Some(vec![res]) | ||
32 | } | ||
33 | } | ||
34 | |||
35 | #[cfg(test)] | ||
36 | mod change_case { | ||
37 | use crate::{ | ||
38 | diagnostics::tests::{check_fix, check_no_diagnostics}, | ||
39 | fixture, AssistResolveStrategy, DiagnosticsConfig, | ||
40 | }; | ||
41 | |||
42 | #[test] | ||
43 | fn test_rename_incorrect_case() { | ||
44 | check_fix( | ||
45 | r#" | ||
46 | pub struct test_struct$0 { one: i32 } | ||
47 | |||
48 | pub fn some_fn(val: test_struct) -> test_struct { | ||
49 | test_struct { one: val.one + 1 } | ||
50 | } | ||
51 | "#, | ||
52 | r#" | ||
53 | pub struct TestStruct { one: i32 } | ||
54 | |||
55 | pub fn some_fn(val: TestStruct) -> TestStruct { | ||
56 | TestStruct { one: val.one + 1 } | ||
57 | } | ||
58 | "#, | ||
59 | ); | ||
60 | |||
61 | check_fix( | ||
62 | r#" | ||
63 | pub fn some_fn(NonSnakeCase$0: u8) -> u8 { | ||
64 | NonSnakeCase | ||
65 | } | ||
66 | "#, | ||
67 | r#" | ||
68 | pub fn some_fn(non_snake_case: u8) -> u8 { | ||
69 | non_snake_case | ||
70 | } | ||
71 | "#, | ||
72 | ); | ||
73 | |||
74 | check_fix( | ||
75 | r#" | ||
76 | pub fn SomeFn$0(val: u8) -> u8 { | ||
77 | if val != 0 { SomeFn(val - 1) } else { val } | ||
78 | } | ||
79 | "#, | ||
80 | r#" | ||
81 | pub fn some_fn(val: u8) -> u8 { | ||
82 | if val != 0 { some_fn(val - 1) } else { val } | ||
83 | } | ||
84 | "#, | ||
85 | ); | ||
86 | |||
87 | check_fix( | ||
88 | r#" | ||
89 | fn some_fn() { | ||
90 | let whatAWeird_Formatting$0 = 10; | ||
91 | another_func(whatAWeird_Formatting); | ||
92 | } | ||
93 | "#, | ||
94 | r#" | ||
95 | fn some_fn() { | ||
96 | let what_a_weird_formatting = 10; | ||
97 | another_func(what_a_weird_formatting); | ||
98 | } | ||
99 | "#, | ||
100 | ); | ||
101 | } | ||
102 | |||
103 | #[test] | ||
104 | fn test_uppercase_const_no_diagnostics() { | ||
105 | check_no_diagnostics( | ||
106 | r#" | ||
107 | fn foo() { | ||
108 | const ANOTHER_ITEM$0: &str = "some_item"; | ||
109 | } | ||
110 | "#, | ||
111 | ); | ||
112 | } | ||
113 | |||
114 | #[test] | ||
115 | fn test_rename_incorrect_case_struct_method() { | ||
116 | check_fix( | ||
117 | r#" | ||
118 | pub struct TestStruct; | ||
119 | |||
120 | impl TestStruct { | ||
121 | pub fn SomeFn$0() -> TestStruct { | ||
122 | TestStruct | ||
123 | } | ||
124 | } | ||
125 | "#, | ||
126 | r#" | ||
127 | pub struct TestStruct; | ||
128 | |||
129 | impl TestStruct { | ||
130 | pub fn some_fn() -> TestStruct { | ||
131 | TestStruct | ||
132 | } | ||
133 | } | ||
134 | "#, | ||
135 | ); | ||
136 | } | ||
137 | |||
138 | #[test] | ||
139 | fn test_single_incorrect_case_diagnostic_in_function_name_issue_6970() { | ||
140 | let input = r#"fn FOO$0() {}"#; | ||
141 | let expected = r#"fn foo() {}"#; | ||
142 | |||
143 | let (analysis, file_position) = fixture::position(input); | ||
144 | let diagnostics = analysis | ||
145 | .diagnostics( | ||
146 | &DiagnosticsConfig::default(), | ||
147 | AssistResolveStrategy::All, | ||
148 | file_position.file_id, | ||
149 | ) | ||
150 | .unwrap(); | ||
151 | assert_eq!(diagnostics.len(), 1); | ||
152 | |||
153 | check_fix(input, expected); | ||
154 | } | ||
155 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/create_field.rs b/crates/ide/src/diagnostics/fixes/create_field.rs new file mode 100644 index 000000000..a5f457dce --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/create_field.rs | |||
@@ -0,0 +1,156 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::NoSuchField, HasSource, HirDisplay, Semantics}; | ||
2 | use ide_db::{base_db::FileId, source_change::SourceChange, RootDatabase}; | ||
3 | use syntax::{ | ||
4 | ast::{self, edit::IndentLevel, make}, | ||
5 | AstNode, | ||
6 | }; | ||
7 | use text_edit::TextEdit; | ||
8 | |||
9 | use crate::{ | ||
10 | diagnostics::{fix, DiagnosticWithFixes}, | ||
11 | Assist, AssistResolveStrategy, | ||
12 | }; | ||
13 | impl DiagnosticWithFixes for NoSuchField { | ||
14 | fn fixes( | ||
15 | &self, | ||
16 | sema: &Semantics<RootDatabase>, | ||
17 | _resolve: &AssistResolveStrategy, | ||
18 | ) -> Option<Vec<Assist>> { | ||
19 | let root = sema.db.parse_or_expand(self.file)?; | ||
20 | missing_record_expr_field_fixes( | ||
21 | &sema, | ||
22 | self.file.original_file(sema.db), | ||
23 | &self.field.to_node(&root), | ||
24 | ) | ||
25 | } | ||
26 | } | ||
27 | |||
28 | fn missing_record_expr_field_fixes( | ||
29 | sema: &Semantics<RootDatabase>, | ||
30 | usage_file_id: FileId, | ||
31 | record_expr_field: &ast::RecordExprField, | ||
32 | ) -> Option<Vec<Assist>> { | ||
33 | let record_lit = ast::RecordExpr::cast(record_expr_field.syntax().parent()?.parent()?)?; | ||
34 | let def_id = sema.resolve_variant(record_lit)?; | ||
35 | let module; | ||
36 | let def_file_id; | ||
37 | let record_fields = match def_id { | ||
38 | hir::VariantDef::Struct(s) => { | ||
39 | module = s.module(sema.db); | ||
40 | let source = s.source(sema.db)?; | ||
41 | def_file_id = source.file_id; | ||
42 | let fields = source.value.field_list()?; | ||
43 | record_field_list(fields)? | ||
44 | } | ||
45 | hir::VariantDef::Union(u) => { | ||
46 | module = u.module(sema.db); | ||
47 | let source = u.source(sema.db)?; | ||
48 | def_file_id = source.file_id; | ||
49 | source.value.record_field_list()? | ||
50 | } | ||
51 | hir::VariantDef::Variant(e) => { | ||
52 | module = e.module(sema.db); | ||
53 | let source = e.source(sema.db)?; | ||
54 | def_file_id = source.file_id; | ||
55 | let fields = source.value.field_list()?; | ||
56 | record_field_list(fields)? | ||
57 | } | ||
58 | }; | ||
59 | let def_file_id = def_file_id.original_file(sema.db); | ||
60 | |||
61 | let new_field_type = sema.type_of_expr(&record_expr_field.expr()?)?; | ||
62 | if new_field_type.is_unknown() { | ||
63 | return None; | ||
64 | } | ||
65 | let new_field = make::record_field( | ||
66 | None, | ||
67 | make::name(&record_expr_field.field_name()?.text()), | ||
68 | make::ty(&new_field_type.display_source_code(sema.db, module.into()).ok()?), | ||
69 | ); | ||
70 | |||
71 | let last_field = record_fields.fields().last()?; | ||
72 | let last_field_syntax = last_field.syntax(); | ||
73 | let indent = IndentLevel::from_node(last_field_syntax); | ||
74 | |||
75 | let mut new_field = new_field.to_string(); | ||
76 | if usage_file_id != def_file_id { | ||
77 | new_field = format!("pub(crate) {}", new_field); | ||
78 | } | ||
79 | new_field = format!("\n{}{}", indent, new_field); | ||
80 | |||
81 | let needs_comma = !last_field_syntax.to_string().ends_with(','); | ||
82 | if needs_comma { | ||
83 | new_field = format!(",{}", new_field); | ||
84 | } | ||
85 | |||
86 | let source_change = SourceChange::from_text_edit( | ||
87 | def_file_id, | ||
88 | TextEdit::insert(last_field_syntax.text_range().end(), new_field), | ||
89 | ); | ||
90 | |||
91 | return Some(vec![fix( | ||
92 | "create_field", | ||
93 | "Create field", | ||
94 | source_change, | ||
95 | record_expr_field.syntax().text_range(), | ||
96 | )]); | ||
97 | |||
98 | fn record_field_list(field_def_list: ast::FieldList) -> Option<ast::RecordFieldList> { | ||
99 | match field_def_list { | ||
100 | ast::FieldList::RecordFieldList(it) => Some(it), | ||
101 | ast::FieldList::TupleFieldList(_) => None, | ||
102 | } | ||
103 | } | ||
104 | } | ||
105 | |||
106 | #[cfg(test)] | ||
107 | mod tests { | ||
108 | use crate::diagnostics::tests::check_fix; | ||
109 | |||
110 | #[test] | ||
111 | fn test_add_field_from_usage() { | ||
112 | check_fix( | ||
113 | r" | ||
114 | fn main() { | ||
115 | Foo { bar: 3, baz$0: false}; | ||
116 | } | ||
117 | struct Foo { | ||
118 | bar: i32 | ||
119 | } | ||
120 | ", | ||
121 | r" | ||
122 | fn main() { | ||
123 | Foo { bar: 3, baz: false}; | ||
124 | } | ||
125 | struct Foo { | ||
126 | bar: i32, | ||
127 | baz: bool | ||
128 | } | ||
129 | ", | ||
130 | ) | ||
131 | } | ||
132 | |||
133 | #[test] | ||
134 | fn test_add_field_in_other_file_from_usage() { | ||
135 | check_fix( | ||
136 | r#" | ||
137 | //- /main.rs | ||
138 | mod foo; | ||
139 | |||
140 | fn main() { | ||
141 | foo::Foo { bar: 3, $0baz: false}; | ||
142 | } | ||
143 | //- /foo.rs | ||
144 | struct Foo { | ||
145 | bar: i32 | ||
146 | } | ||
147 | "#, | ||
148 | r#" | ||
149 | struct Foo { | ||
150 | bar: i32, | ||
151 | pub(crate) baz: bool | ||
152 | } | ||
153 | "#, | ||
154 | ) | ||
155 | } | ||
156 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/fill_missing_fields.rs b/crates/ide/src/diagnostics/fixes/fill_missing_fields.rs new file mode 100644 index 000000000..b5dd64c08 --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/fill_missing_fields.rs | |||
@@ -0,0 +1,217 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::MissingFields, Semantics}; | ||
2 | use ide_assists::AssistResolveStrategy; | ||
3 | use ide_db::{source_change::SourceChange, RootDatabase}; | ||
4 | use syntax::{algo, ast::make, AstNode}; | ||
5 | use text_edit::TextEdit; | ||
6 | |||
7 | use crate::{ | ||
8 | diagnostics::{fix, fixes::DiagnosticWithFixes}, | ||
9 | Assist, | ||
10 | }; | ||
11 | |||
12 | impl DiagnosticWithFixes for MissingFields { | ||
13 | fn fixes( | ||
14 | &self, | ||
15 | sema: &Semantics<RootDatabase>, | ||
16 | _resolve: &AssistResolveStrategy, | ||
17 | ) -> Option<Vec<Assist>> { | ||
18 | // Note that although we could add a diagnostics to | ||
19 | // fill the missing tuple field, e.g : | ||
20 | // `struct A(usize);` | ||
21 | // `let a = A { 0: () }` | ||
22 | // but it is uncommon usage and it should not be encouraged. | ||
23 | if self.missed_fields.iter().any(|it| it.as_tuple_index().is_some()) { | ||
24 | return None; | ||
25 | } | ||
26 | |||
27 | let root = sema.db.parse_or_expand(self.file)?; | ||
28 | let field_list_parent = self.field_list_parent.to_node(&root); | ||
29 | let old_field_list = field_list_parent.record_expr_field_list()?; | ||
30 | let new_field_list = old_field_list.clone_for_update(); | ||
31 | for f in self.missed_fields.iter() { | ||
32 | let field = | ||
33 | make::record_expr_field(make::name_ref(&f.to_string()), Some(make::expr_unit())) | ||
34 | .clone_for_update(); | ||
35 | new_field_list.add_field(field); | ||
36 | } | ||
37 | |||
38 | let edit = { | ||
39 | let mut builder = TextEdit::builder(); | ||
40 | algo::diff(&old_field_list.syntax(), &new_field_list.syntax()) | ||
41 | .into_text_edit(&mut builder); | ||
42 | builder.finish() | ||
43 | }; | ||
44 | Some(vec![fix( | ||
45 | "fill_missing_fields", | ||
46 | "Fill struct fields", | ||
47 | SourceChange::from_text_edit(self.file.original_file(sema.db), edit), | ||
48 | sema.original_range(&field_list_parent.syntax()).range, | ||
49 | )]) | ||
50 | } | ||
51 | } | ||
52 | |||
53 | #[cfg(test)] | ||
54 | mod tests { | ||
55 | use crate::diagnostics::tests::{check_fix, check_no_diagnostics}; | ||
56 | |||
57 | #[test] | ||
58 | fn test_fill_struct_fields_empty() { | ||
59 | check_fix( | ||
60 | r#" | ||
61 | struct TestStruct { one: i32, two: i64 } | ||
62 | |||
63 | fn test_fn() { | ||
64 | let s = TestStruct {$0}; | ||
65 | } | ||
66 | "#, | ||
67 | r#" | ||
68 | struct TestStruct { one: i32, two: i64 } | ||
69 | |||
70 | fn test_fn() { | ||
71 | let s = TestStruct { one: (), two: () }; | ||
72 | } | ||
73 | "#, | ||
74 | ); | ||
75 | } | ||
76 | |||
77 | #[test] | ||
78 | fn test_fill_struct_fields_self() { | ||
79 | check_fix( | ||
80 | r#" | ||
81 | struct TestStruct { one: i32 } | ||
82 | |||
83 | impl TestStruct { | ||
84 | fn test_fn() { let s = Self {$0}; } | ||
85 | } | ||
86 | "#, | ||
87 | r#" | ||
88 | struct TestStruct { one: i32 } | ||
89 | |||
90 | impl TestStruct { | ||
91 | fn test_fn() { let s = Self { one: () }; } | ||
92 | } | ||
93 | "#, | ||
94 | ); | ||
95 | } | ||
96 | |||
97 | #[test] | ||
98 | fn test_fill_struct_fields_enum() { | ||
99 | check_fix( | ||
100 | r#" | ||
101 | enum Expr { | ||
102 | Bin { lhs: Box<Expr>, rhs: Box<Expr> } | ||
103 | } | ||
104 | |||
105 | impl Expr { | ||
106 | fn new_bin(lhs: Box<Expr>, rhs: Box<Expr>) -> Expr { | ||
107 | Expr::Bin {$0 } | ||
108 | } | ||
109 | } | ||
110 | "#, | ||
111 | r#" | ||
112 | enum Expr { | ||
113 | Bin { lhs: Box<Expr>, rhs: Box<Expr> } | ||
114 | } | ||
115 | |||
116 | impl Expr { | ||
117 | fn new_bin(lhs: Box<Expr>, rhs: Box<Expr>) -> Expr { | ||
118 | Expr::Bin { lhs: (), rhs: () } | ||
119 | } | ||
120 | } | ||
121 | "#, | ||
122 | ); | ||
123 | } | ||
124 | |||
125 | #[test] | ||
126 | fn test_fill_struct_fields_partial() { | ||
127 | check_fix( | ||
128 | r#" | ||
129 | struct TestStruct { one: i32, two: i64 } | ||
130 | |||
131 | fn test_fn() { | ||
132 | let s = TestStruct{ two: 2$0 }; | ||
133 | } | ||
134 | "#, | ||
135 | r" | ||
136 | struct TestStruct { one: i32, two: i64 } | ||
137 | |||
138 | fn test_fn() { | ||
139 | let s = TestStruct{ two: 2, one: () }; | ||
140 | } | ||
141 | ", | ||
142 | ); | ||
143 | } | ||
144 | |||
145 | #[test] | ||
146 | fn test_fill_struct_fields_raw_ident() { | ||
147 | check_fix( | ||
148 | r#" | ||
149 | struct TestStruct { r#type: u8 } | ||
150 | |||
151 | fn test_fn() { | ||
152 | TestStruct { $0 }; | ||
153 | } | ||
154 | "#, | ||
155 | r" | ||
156 | struct TestStruct { r#type: u8 } | ||
157 | |||
158 | fn test_fn() { | ||
159 | TestStruct { r#type: () }; | ||
160 | } | ||
161 | ", | ||
162 | ); | ||
163 | } | ||
164 | |||
165 | #[test] | ||
166 | fn test_fill_struct_fields_no_diagnostic() { | ||
167 | check_no_diagnostics( | ||
168 | r#" | ||
169 | struct TestStruct { one: i32, two: i64 } | ||
170 | |||
171 | fn test_fn() { | ||
172 | let one = 1; | ||
173 | let s = TestStruct{ one, two: 2 }; | ||
174 | } | ||
175 | "#, | ||
176 | ); | ||
177 | } | ||
178 | |||
179 | #[test] | ||
180 | fn test_fill_struct_fields_no_diagnostic_on_spread() { | ||
181 | check_no_diagnostics( | ||
182 | r#" | ||
183 | struct TestStruct { one: i32, two: i64 } | ||
184 | |||
185 | fn test_fn() { | ||
186 | let one = 1; | ||
187 | let s = TestStruct{ ..a }; | ||
188 | } | ||
189 | "#, | ||
190 | ); | ||
191 | } | ||
192 | |||
193 | #[test] | ||
194 | fn test_fill_struct_fields_blank_line() { | ||
195 | check_fix( | ||
196 | r#" | ||
197 | struct S { a: (), b: () } | ||
198 | |||
199 | fn f() { | ||
200 | S { | ||
201 | $0 | ||
202 | }; | ||
203 | } | ||
204 | "#, | ||
205 | r#" | ||
206 | struct S { a: (), b: () } | ||
207 | |||
208 | fn f() { | ||
209 | S { | ||
210 | a: (), | ||
211 | b: (), | ||
212 | }; | ||
213 | } | ||
214 | "#, | ||
215 | ); | ||
216 | } | ||
217 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/remove_semicolon.rs b/crates/ide/src/diagnostics/fixes/remove_semicolon.rs new file mode 100644 index 000000000..f1724d479 --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/remove_semicolon.rs | |||
@@ -0,0 +1,41 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::RemoveThisSemicolon, Semantics}; | ||
2 | use ide_assists::{Assist, AssistResolveStrategy}; | ||
3 | use ide_db::{source_change::SourceChange, RootDatabase}; | ||
4 | use syntax::{ast, AstNode}; | ||
5 | use text_edit::TextEdit; | ||
6 | |||
7 | use crate::diagnostics::{fix, DiagnosticWithFixes}; | ||
8 | |||
9 | impl DiagnosticWithFixes for RemoveThisSemicolon { | ||
10 | fn fixes( | ||
11 | &self, | ||
12 | sema: &Semantics<RootDatabase>, | ||
13 | _resolve: &AssistResolveStrategy, | ||
14 | ) -> Option<Vec<Assist>> { | ||
15 | let root = sema.db.parse_or_expand(self.file)?; | ||
16 | |||
17 | let semicolon = self | ||
18 | .expr | ||
19 | .to_node(&root) | ||
20 | .syntax() | ||
21 | .parent() | ||
22 | .and_then(ast::ExprStmt::cast) | ||
23 | .and_then(|expr| expr.semicolon_token())? | ||
24 | .text_range(); | ||
25 | |||
26 | let edit = TextEdit::delete(semicolon); | ||
27 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
28 | |||
29 | Some(vec![fix("remove_semicolon", "Remove this semicolon", source_change, semicolon)]) | ||
30 | } | ||
31 | } | ||
32 | |||
33 | #[cfg(test)] | ||
34 | mod tests { | ||
35 | use crate::diagnostics::tests::check_fix; | ||
36 | |||
37 | #[test] | ||
38 | fn remove_semicolon() { | ||
39 | check_fix(r#"fn f() -> i32 { 92$0; }"#, r#"fn f() -> i32 { 92 }"#); | ||
40 | } | ||
41 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/replace_with_find_map.rs b/crates/ide/src/diagnostics/fixes/replace_with_find_map.rs new file mode 100644 index 000000000..444bf563b --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/replace_with_find_map.rs | |||
@@ -0,0 +1,84 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::ReplaceFilterMapNextWithFindMap, Semantics}; | ||
2 | use ide_assists::{Assist, AssistResolveStrategy}; | ||
3 | use ide_db::{source_change::SourceChange, RootDatabase}; | ||
4 | use syntax::{ | ||
5 | ast::{self, ArgListOwner}, | ||
6 | AstNode, TextRange, | ||
7 | }; | ||
8 | use text_edit::TextEdit; | ||
9 | |||
10 | use crate::diagnostics::{fix, DiagnosticWithFixes}; | ||
11 | |||
12 | impl DiagnosticWithFixes for ReplaceFilterMapNextWithFindMap { | ||
13 | fn fixes( | ||
14 | &self, | ||
15 | sema: &Semantics<RootDatabase>, | ||
16 | _resolve: &AssistResolveStrategy, | ||
17 | ) -> Option<Vec<Assist>> { | ||
18 | let root = sema.db.parse_or_expand(self.file)?; | ||
19 | let next_expr = self.next_expr.to_node(&root); | ||
20 | let next_call = ast::MethodCallExpr::cast(next_expr.syntax().clone())?; | ||
21 | |||
22 | let filter_map_call = ast::MethodCallExpr::cast(next_call.receiver()?.syntax().clone())?; | ||
23 | let filter_map_name_range = filter_map_call.name_ref()?.ident_token()?.text_range(); | ||
24 | let filter_map_args = filter_map_call.arg_list()?; | ||
25 | |||
26 | let range_to_replace = | ||
27 | TextRange::new(filter_map_name_range.start(), next_expr.syntax().text_range().end()); | ||
28 | let replacement = format!("find_map{}", filter_map_args.syntax().text()); | ||
29 | let trigger_range = next_expr.syntax().text_range(); | ||
30 | |||
31 | let edit = TextEdit::replace(range_to_replace, replacement); | ||
32 | |||
33 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
34 | |||
35 | Some(vec![fix( | ||
36 | "replace_with_find_map", | ||
37 | "Replace filter_map(..).next() with find_map()", | ||
38 | source_change, | ||
39 | trigger_range, | ||
40 | )]) | ||
41 | } | ||
42 | } | ||
43 | |||
44 | #[cfg(test)] | ||
45 | mod tests { | ||
46 | use crate::diagnostics::tests::check_fix; | ||
47 | |||
48 | #[test] | ||
49 | fn replace_with_wind_map() { | ||
50 | check_fix( | ||
51 | r#" | ||
52 | //- /main.rs crate:main deps:core | ||
53 | use core::iter::Iterator; | ||
54 | use core::option::Option::{self, Some, None}; | ||
55 | fn foo() { | ||
56 | let m = [1, 2, 3].iter().$0filter_map(|x| if *x == 2 { Some (4) } else { None }).next(); | ||
57 | } | ||
58 | //- /core/lib.rs crate:core | ||
59 | pub mod option { | ||
60 | pub enum Option<T> { Some(T), None } | ||
61 | } | ||
62 | pub mod iter { | ||
63 | pub trait Iterator { | ||
64 | type Item; | ||
65 | fn filter_map<B, F>(self, f: F) -> FilterMap where F: FnMut(Self::Item) -> Option<B> { FilterMap } | ||
66 | fn next(&mut self) -> Option<Self::Item>; | ||
67 | } | ||
68 | pub struct FilterMap {} | ||
69 | impl Iterator for FilterMap { | ||
70 | type Item = i32; | ||
71 | fn next(&mut self) -> i32 { 7 } | ||
72 | } | ||
73 | } | ||
74 | "#, | ||
75 | r#" | ||
76 | use core::iter::Iterator; | ||
77 | use core::option::Option::{self, Some, None}; | ||
78 | fn foo() { | ||
79 | let m = [1, 2, 3].iter().find_map(|x| if *x == 2 { Some (4) } else { None }); | ||
80 | } | ||
81 | "#, | ||
82 | ) | ||
83 | } | ||
84 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/unresolved_module.rs b/crates/ide/src/diagnostics/fixes/unresolved_module.rs new file mode 100644 index 000000000..b3d0283bb --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/unresolved_module.rs | |||
@@ -0,0 +1,89 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::UnresolvedModule, Semantics}; | ||
2 | use ide_assists::{Assist, AssistResolveStrategy}; | ||
3 | use ide_db::{base_db::AnchoredPathBuf, source_change::FileSystemEdit, RootDatabase}; | ||
4 | use syntax::AstNode; | ||
5 | |||
6 | use crate::diagnostics::{fix, DiagnosticWithFixes}; | ||
7 | |||
8 | impl DiagnosticWithFixes for UnresolvedModule { | ||
9 | fn fixes( | ||
10 | &self, | ||
11 | sema: &Semantics<RootDatabase>, | ||
12 | _resolve: &AssistResolveStrategy, | ||
13 | ) -> Option<Vec<Assist>> { | ||
14 | let root = sema.db.parse_or_expand(self.file)?; | ||
15 | let unresolved_module = self.decl.to_node(&root); | ||
16 | Some(vec![fix( | ||
17 | "create_module", | ||
18 | "Create module", | ||
19 | FileSystemEdit::CreateFile { | ||
20 | dst: AnchoredPathBuf { | ||
21 | anchor: self.file.original_file(sema.db), | ||
22 | path: self.candidate.clone(), | ||
23 | }, | ||
24 | initial_contents: "".to_string(), | ||
25 | } | ||
26 | .into(), | ||
27 | unresolved_module.syntax().text_range(), | ||
28 | )]) | ||
29 | } | ||
30 | } | ||
31 | |||
32 | #[cfg(test)] | ||
33 | mod tests { | ||
34 | use expect_test::expect; | ||
35 | |||
36 | use crate::diagnostics::tests::check_expect; | ||
37 | |||
38 | #[test] | ||
39 | fn test_unresolved_module_diagnostic() { | ||
40 | check_expect( | ||
41 | r#"mod foo;"#, | ||
42 | expect![[r#" | ||
43 | [ | ||
44 | Diagnostic { | ||
45 | message: "unresolved module", | ||
46 | range: 0..8, | ||
47 | severity: Error, | ||
48 | fixes: Some( | ||
49 | [ | ||
50 | Assist { | ||
51 | id: AssistId( | ||
52 | "create_module", | ||
53 | QuickFix, | ||
54 | ), | ||
55 | label: "Create module", | ||
56 | group: None, | ||
57 | target: 0..8, | ||
58 | source_change: Some( | ||
59 | SourceChange { | ||
60 | source_file_edits: {}, | ||
61 | file_system_edits: [ | ||
62 | CreateFile { | ||
63 | dst: AnchoredPathBuf { | ||
64 | anchor: FileId( | ||
65 | 0, | ||
66 | ), | ||
67 | path: "foo.rs", | ||
68 | }, | ||
69 | initial_contents: "", | ||
70 | }, | ||
71 | ], | ||
72 | is_snippet: false, | ||
73 | }, | ||
74 | ), | ||
75 | }, | ||
76 | ], | ||
77 | ), | ||
78 | unused: false, | ||
79 | code: Some( | ||
80 | DiagnosticCode( | ||
81 | "unresolved-module", | ||
82 | ), | ||
83 | ), | ||
84 | }, | ||
85 | ] | ||
86 | "#]], | ||
87 | ); | ||
88 | } | ||
89 | } | ||
diff --git a/crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs b/crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs new file mode 100644 index 000000000..715a403b9 --- /dev/null +++ b/crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs | |||
@@ -0,0 +1,211 @@ | |||
1 | use hir::{db::AstDatabase, diagnostics::MissingOkOrSomeInTailExpr, Semantics}; | ||
2 | use ide_assists::{Assist, AssistResolveStrategy}; | ||
3 | use ide_db::{source_change::SourceChange, RootDatabase}; | ||
4 | use syntax::AstNode; | ||
5 | use text_edit::TextEdit; | ||
6 | |||
7 | use crate::diagnostics::{fix, DiagnosticWithFixes}; | ||
8 | |||
9 | impl DiagnosticWithFixes for MissingOkOrSomeInTailExpr { | ||
10 | fn fixes( | ||
11 | &self, | ||
12 | sema: &Semantics<RootDatabase>, | ||
13 | _resolve: &AssistResolveStrategy, | ||
14 | ) -> Option<Vec<Assist>> { | ||
15 | let root = sema.db.parse_or_expand(self.file)?; | ||
16 | let tail_expr = self.expr.to_node(&root); | ||
17 | let tail_expr_range = tail_expr.syntax().text_range(); | ||
18 | let replacement = format!("{}({})", self.required, tail_expr.syntax()); | ||
19 | let edit = TextEdit::replace(tail_expr_range, replacement); | ||
20 | let source_change = SourceChange::from_text_edit(self.file.original_file(sema.db), edit); | ||
21 | let name = if self.required == "Ok" { "Wrap with Ok" } else { "Wrap with Some" }; | ||
22 | Some(vec![fix("wrap_tail_expr", name, source_change, tail_expr_range)]) | ||
23 | } | ||
24 | } | ||
25 | |||
26 | #[cfg(test)] | ||
27 | mod tests { | ||
28 | use crate::diagnostics::tests::{check_fix, check_no_diagnostics}; | ||
29 | |||
30 | #[test] | ||
31 | fn test_wrap_return_type_option() { | ||
32 | check_fix( | ||
33 | r#" | ||
34 | //- /main.rs crate:main deps:core | ||
35 | use core::option::Option::{self, Some, None}; | ||
36 | |||
37 | fn div(x: i32, y: i32) -> Option<i32> { | ||
38 | if y == 0 { | ||
39 | return None; | ||
40 | } | ||
41 | x / y$0 | ||
42 | } | ||
43 | //- /core/lib.rs crate:core | ||
44 | pub mod result { | ||
45 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
46 | } | ||
47 | pub mod option { | ||
48 | pub enum Option<T> { Some(T), None } | ||
49 | } | ||
50 | "#, | ||
51 | r#" | ||
52 | use core::option::Option::{self, Some, None}; | ||
53 | |||
54 | fn div(x: i32, y: i32) -> Option<i32> { | ||
55 | if y == 0 { | ||
56 | return None; | ||
57 | } | ||
58 | Some(x / y) | ||
59 | } | ||
60 | "#, | ||
61 | ); | ||
62 | } | ||
63 | |||
64 | #[test] | ||
65 | fn test_wrap_return_type() { | ||
66 | check_fix( | ||
67 | r#" | ||
68 | //- /main.rs crate:main deps:core | ||
69 | use core::result::Result::{self, Ok, Err}; | ||
70 | |||
71 | fn div(x: i32, y: i32) -> Result<i32, ()> { | ||
72 | if y == 0 { | ||
73 | return Err(()); | ||
74 | } | ||
75 | x / y$0 | ||
76 | } | ||
77 | //- /core/lib.rs crate:core | ||
78 | pub mod result { | ||
79 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
80 | } | ||
81 | pub mod option { | ||
82 | pub enum Option<T> { Some(T), None } | ||
83 | } | ||
84 | "#, | ||
85 | r#" | ||
86 | use core::result::Result::{self, Ok, Err}; | ||
87 | |||
88 | fn div(x: i32, y: i32) -> Result<i32, ()> { | ||
89 | if y == 0 { | ||
90 | return Err(()); | ||
91 | } | ||
92 | Ok(x / y) | ||
93 | } | ||
94 | "#, | ||
95 | ); | ||
96 | } | ||
97 | |||
98 | #[test] | ||
99 | fn test_wrap_return_type_handles_generic_functions() { | ||
100 | check_fix( | ||
101 | r#" | ||
102 | //- /main.rs crate:main deps:core | ||
103 | use core::result::Result::{self, Ok, Err}; | ||
104 | |||
105 | fn div<T>(x: T) -> Result<T, i32> { | ||
106 | if x == 0 { | ||
107 | return Err(7); | ||
108 | } | ||
109 | $0x | ||
110 | } | ||
111 | //- /core/lib.rs crate:core | ||
112 | pub mod result { | ||
113 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
114 | } | ||
115 | pub mod option { | ||
116 | pub enum Option<T> { Some(T), None } | ||
117 | } | ||
118 | "#, | ||
119 | r#" | ||
120 | use core::result::Result::{self, Ok, Err}; | ||
121 | |||
122 | fn div<T>(x: T) -> Result<T, i32> { | ||
123 | if x == 0 { | ||
124 | return Err(7); | ||
125 | } | ||
126 | Ok(x) | ||
127 | } | ||
128 | "#, | ||
129 | ); | ||
130 | } | ||
131 | |||
132 | #[test] | ||
133 | fn test_wrap_return_type_handles_type_aliases() { | ||
134 | check_fix( | ||
135 | r#" | ||
136 | //- /main.rs crate:main deps:core | ||
137 | use core::result::Result::{self, Ok, Err}; | ||
138 | |||
139 | type MyResult<T> = Result<T, ()>; | ||
140 | |||
141 | fn div(x: i32, y: i32) -> MyResult<i32> { | ||
142 | if y == 0 { | ||
143 | return Err(()); | ||
144 | } | ||
145 | x $0/ y | ||
146 | } | ||
147 | //- /core/lib.rs crate:core | ||
148 | pub mod result { | ||
149 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
150 | } | ||
151 | pub mod option { | ||
152 | pub enum Option<T> { Some(T), None } | ||
153 | } | ||
154 | "#, | ||
155 | r#" | ||
156 | use core::result::Result::{self, Ok, Err}; | ||
157 | |||
158 | type MyResult<T> = Result<T, ()>; | ||
159 | |||
160 | fn div(x: i32, y: i32) -> MyResult<i32> { | ||
161 | if y == 0 { | ||
162 | return Err(()); | ||
163 | } | ||
164 | Ok(x / y) | ||
165 | } | ||
166 | "#, | ||
167 | ); | ||
168 | } | ||
169 | |||
170 | #[test] | ||
171 | fn test_wrap_return_type_not_applicable_when_expr_type_does_not_match_ok_type() { | ||
172 | check_no_diagnostics( | ||
173 | r#" | ||
174 | //- /main.rs crate:main deps:core | ||
175 | use core::result::Result::{self, Ok, Err}; | ||
176 | |||
177 | fn foo() -> Result<(), i32> { 0 } | ||
178 | |||
179 | //- /core/lib.rs crate:core | ||
180 | pub mod result { | ||
181 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
182 | } | ||
183 | pub mod option { | ||
184 | pub enum Option<T> { Some(T), None } | ||
185 | } | ||
186 | "#, | ||
187 | ); | ||
188 | } | ||
189 | |||
190 | #[test] | ||
191 | fn test_wrap_return_type_not_applicable_when_return_type_is_not_result_or_option() { | ||
192 | check_no_diagnostics( | ||
193 | r#" | ||
194 | //- /main.rs crate:main deps:core | ||
195 | use core::result::Result::{self, Ok, Err}; | ||
196 | |||
197 | enum SomeOtherEnum { Ok(i32), Err(String) } | ||
198 | |||
199 | fn foo() -> SomeOtherEnum { 0 } | ||
200 | |||
201 | //- /core/lib.rs crate:core | ||
202 | pub mod result { | ||
203 | pub enum Result<T, E> { Ok(T), Err(E) } | ||
204 | } | ||
205 | pub mod option { | ||
206 | pub enum Option<T> { Some(T), None } | ||
207 | } | ||
208 | "#, | ||
209 | ); | ||
210 | } | ||
211 | } | ||
diff --git a/crates/ide/src/diagnostics/unlinked_file.rs b/crates/ide/src/diagnostics/unlinked_file.rs index 93fd25dea..51fe0f360 100644 --- a/crates/ide/src/diagnostics/unlinked_file.rs +++ b/crates/ide/src/diagnostics/unlinked_file.rs | |||
@@ -18,7 +18,7 @@ use syntax::{ | |||
18 | use text_edit::TextEdit; | 18 | use text_edit::TextEdit; |
19 | 19 | ||
20 | use crate::{ | 20 | use crate::{ |
21 | diagnostics::{fix, fixes::DiagnosticWithFix}, | 21 | diagnostics::{fix, fixes::DiagnosticWithFixes}, |
22 | Assist, | 22 | Assist, |
23 | }; | 23 | }; |
24 | 24 | ||
@@ -50,13 +50,13 @@ impl Diagnostic for UnlinkedFile { | |||
50 | } | 50 | } |
51 | } | 51 | } |
52 | 52 | ||
53 | impl DiagnosticWithFix for UnlinkedFile { | 53 | impl DiagnosticWithFixes for UnlinkedFile { |
54 | fn fix( | 54 | fn fixes( |
55 | &self, | 55 | &self, |
56 | sema: &hir::Semantics<RootDatabase>, | 56 | sema: &hir::Semantics<RootDatabase>, |
57 | _resolve: &AssistResolveStrategy, | 57 | _resolve: &AssistResolveStrategy, |
58 | ) -> Option<Assist> { | 58 | ) -> Option<Vec<Assist>> { |
59 | // If there's an existing module that could add a `mod` item to include the unlinked file, | 59 | // If there's an existing module that could add `mod` or `pub mod` items to include the unlinked file, |
60 | // suggest that as a fix. | 60 | // suggest that as a fix. |
61 | 61 | ||
62 | let source_root = sema.db.source_root(sema.db.file_source_root(self.file_id)); | 62 | let source_root = sema.db.source_root(sema.db.file_source_root(self.file_id)); |
@@ -90,7 +90,7 @@ impl DiagnosticWithFix for UnlinkedFile { | |||
90 | } | 90 | } |
91 | 91 | ||
92 | if module.origin.file_id() == Some(*parent_id) { | 92 | if module.origin.file_id() == Some(*parent_id) { |
93 | return make_fix(sema.db, *parent_id, module_name, self.file_id); | 93 | return make_fixes(sema.db, *parent_id, module_name, self.file_id); |
94 | } | 94 | } |
95 | } | 95 | } |
96 | } | 96 | } |
@@ -101,20 +101,23 @@ impl DiagnosticWithFix for UnlinkedFile { | |||
101 | } | 101 | } |
102 | } | 102 | } |
103 | 103 | ||
104 | fn make_fix( | 104 | fn make_fixes( |
105 | db: &RootDatabase, | 105 | db: &RootDatabase, |
106 | parent_file_id: FileId, | 106 | parent_file_id: FileId, |
107 | new_mod_name: &str, | 107 | new_mod_name: &str, |
108 | added_file_id: FileId, | 108 | added_file_id: FileId, |
109 | ) -> Option<Assist> { | 109 | ) -> Option<Vec<Assist>> { |
110 | fn is_outline_mod(item: &ast::Item) -> bool { | 110 | fn is_outline_mod(item: &ast::Item) -> bool { |
111 | matches!(item, ast::Item::Module(m) if m.item_list().is_none()) | 111 | matches!(item, ast::Item::Module(m) if m.item_list().is_none()) |
112 | } | 112 | } |
113 | 113 | ||
114 | let mod_decl = format!("mod {};", new_mod_name); | 114 | let mod_decl = format!("mod {};", new_mod_name); |
115 | let pub_mod_decl = format!("pub mod {};", new_mod_name); | ||
116 | |||
115 | let ast: ast::SourceFile = db.parse(parent_file_id).tree(); | 117 | let ast: ast::SourceFile = db.parse(parent_file_id).tree(); |
116 | 118 | ||
117 | let mut builder = TextEdit::builder(); | 119 | let mut mod_decl_builder = TextEdit::builder(); |
120 | let mut pub_mod_decl_builder = TextEdit::builder(); | ||
118 | 121 | ||
119 | // If there's an existing `mod m;` statement matching the new one, don't emit a fix (it's | 122 | // If there's an existing `mod m;` statement matching the new one, don't emit a fix (it's |
120 | // probably `#[cfg]`d out). | 123 | // probably `#[cfg]`d out). |
@@ -138,30 +141,43 @@ fn make_fix( | |||
138 | { | 141 | { |
139 | Some(last) => { | 142 | Some(last) => { |
140 | cov_mark::hit!(unlinked_file_append_to_existing_mods); | 143 | cov_mark::hit!(unlinked_file_append_to_existing_mods); |
141 | builder.insert(last.syntax().text_range().end(), format!("\n{}", mod_decl)); | 144 | let offset = last.syntax().text_range().end(); |
145 | mod_decl_builder.insert(offset, format!("\n{}", mod_decl)); | ||
146 | pub_mod_decl_builder.insert(offset, format!("\n{}", pub_mod_decl)); | ||
142 | } | 147 | } |
143 | None => { | 148 | None => { |
144 | // Prepend before the first item in the file. | 149 | // Prepend before the first item in the file. |
145 | match ast.items().next() { | 150 | match ast.items().next() { |
146 | Some(item) => { | 151 | Some(item) => { |
147 | cov_mark::hit!(unlinked_file_prepend_before_first_item); | 152 | cov_mark::hit!(unlinked_file_prepend_before_first_item); |
148 | builder.insert(item.syntax().text_range().start(), format!("{}\n\n", mod_decl)); | 153 | let offset = item.syntax().text_range().start(); |
154 | mod_decl_builder.insert(offset, format!("{}\n\n", mod_decl)); | ||
155 | pub_mod_decl_builder.insert(offset, format!("{}\n\n", pub_mod_decl)); | ||
149 | } | 156 | } |
150 | None => { | 157 | None => { |
151 | // No items in the file, so just append at the end. | 158 | // No items in the file, so just append at the end. |
152 | cov_mark::hit!(unlinked_file_empty_file); | 159 | cov_mark::hit!(unlinked_file_empty_file); |
153 | builder.insert(ast.syntax().text_range().end(), format!("{}\n", mod_decl)); | 160 | let offset = ast.syntax().text_range().end(); |
161 | mod_decl_builder.insert(offset, format!("{}\n", mod_decl)); | ||
162 | pub_mod_decl_builder.insert(offset, format!("{}\n", pub_mod_decl)); | ||
154 | } | 163 | } |
155 | } | 164 | } |
156 | } | 165 | } |
157 | } | 166 | } |
158 | 167 | ||
159 | let edit = builder.finish(); | ||
160 | let trigger_range = db.parse(added_file_id).tree().syntax().text_range(); | 168 | let trigger_range = db.parse(added_file_id).tree().syntax().text_range(); |
161 | Some(fix( | 169 | Some(vec![ |
162 | "add_mod_declaration", | 170 | fix( |
163 | &format!("Insert `{}`", mod_decl), | 171 | "add_mod_declaration", |
164 | SourceChange::from_text_edit(parent_file_id, edit), | 172 | &format!("Insert `{}`", mod_decl), |
165 | trigger_range, | 173 | SourceChange::from_text_edit(parent_file_id, mod_decl_builder.finish()), |
166 | )) | 174 | trigger_range, |
175 | ), | ||
176 | fix( | ||
177 | "add_pub_mod_declaration", | ||
178 | &format!("Insert `{}`", pub_mod_decl), | ||
179 | SourceChange::from_text_edit(parent_file_id, pub_mod_decl_builder.finish()), | ||
180 | trigger_range, | ||
181 | ), | ||
182 | ]) | ||
167 | } | 183 | } |