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-rw-r--r--crates/ide/src/diagnostics/fixes/create_field.rs1
-rw-r--r--crates/ide/src/diagnostics/fixes/remove_semicolon.rs41
-rw-r--r--crates/ide/src/diagnostics/fixes/replace_with_find_map.rs84
-rw-r--r--crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs211
4 files changed, 0 insertions, 337 deletions
diff --git a/crates/ide/src/diagnostics/fixes/create_field.rs b/crates/ide/src/diagnostics/fixes/create_field.rs
deleted file mode 100644
index 8b1378917..000000000
--- a/crates/ide/src/diagnostics/fixes/create_field.rs
+++ /dev/null
@@ -1 +0,0 @@
1
diff --git a/crates/ide/src/diagnostics/fixes/remove_semicolon.rs b/crates/ide/src/diagnostics/fixes/remove_semicolon.rs
deleted file mode 100644
index f1724d479..000000000
--- a/crates/ide/src/diagnostics/fixes/remove_semicolon.rs
+++ /dev/null
@@ -1,41 +0,0 @@
1use hir::{db::AstDatabase, diagnostics::RemoveThisSemicolon, Semantics};
2use ide_assists::{Assist, AssistResolveStrategy};
3use ide_db::{source_change::SourceChange, RootDatabase};
4use syntax::{ast, AstNode};
5use text_edit::TextEdit;
6
7use crate::diagnostics::{fix, DiagnosticWithFixes};
8
9impl 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)]
34mod 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
deleted file mode 100644
index 444bf563b..000000000
--- a/crates/ide/src/diagnostics/fixes/replace_with_find_map.rs
+++ /dev/null
@@ -1,84 +0,0 @@
1use hir::{db::AstDatabase, diagnostics::ReplaceFilterMapNextWithFindMap, Semantics};
2use ide_assists::{Assist, AssistResolveStrategy};
3use ide_db::{source_change::SourceChange, RootDatabase};
4use syntax::{
5 ast::{self, ArgListOwner},
6 AstNode, TextRange,
7};
8use text_edit::TextEdit;
9
10use crate::diagnostics::{fix, DiagnosticWithFixes};
11
12impl 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)]
45mod 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
53use core::iter::Iterator;
54use core::option::Option::{self, Some, None};
55fn 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
59pub mod option {
60 pub enum Option<T> { Some(T), None }
61}
62pub 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#"
76use core::iter::Iterator;
77use core::option::Option::{self, Some, None};
78fn 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/wrap_tail_expr.rs b/crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs
deleted file mode 100644
index dcb21e037..000000000
--- a/crates/ide/src/diagnostics/fixes/wrap_tail_expr.rs
+++ /dev/null
@@ -1,211 +0,0 @@
1use hir::{db::AstDatabase, diagnostics::MissingOkOrSomeInTailExpr, Semantics};
2use ide_assists::{Assist, AssistResolveStrategy};
3use ide_db::{source_change::SourceChange, RootDatabase};
4use syntax::AstNode;
5use text_edit::TextEdit;
6
7use crate::diagnostics::{fix, DiagnosticWithFixes};
8
9impl 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)]
27mod tests {
28 use crate::diagnostics::tests::{check_diagnostics, check_fix};
29
30 #[test]
31 fn test_wrap_return_type_option() {
32 check_fix(
33 r#"
34//- /main.rs crate:main deps:core
35use core::option::Option::{self, Some, None};
36
37fn 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
44pub mod result {
45 pub enum Result<T, E> { Ok(T), Err(E) }
46}
47pub mod option {
48 pub enum Option<T> { Some(T), None }
49}
50"#,
51 r#"
52use core::option::Option::{self, Some, None};
53
54fn 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
69use core::result::Result::{self, Ok, Err};
70
71fn 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
78pub mod result {
79 pub enum Result<T, E> { Ok(T), Err(E) }
80}
81pub mod option {
82 pub enum Option<T> { Some(T), None }
83}
84"#,
85 r#"
86use core::result::Result::{self, Ok, Err};
87
88fn 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
103use core::result::Result::{self, Ok, Err};
104
105fn 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
112pub mod result {
113 pub enum Result<T, E> { Ok(T), Err(E) }
114}
115pub mod option {
116 pub enum Option<T> { Some(T), None }
117}
118"#,
119 r#"
120use core::result::Result::{self, Ok, Err};
121
122fn 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
137use core::result::Result::{self, Ok, Err};
138
139type MyResult<T> = Result<T, ()>;
140
141fn 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
148pub mod result {
149 pub enum Result<T, E> { Ok(T), Err(E) }
150}
151pub mod option {
152 pub enum Option<T> { Some(T), None }
153}
154"#,
155 r#"
156use core::result::Result::{self, Ok, Err};
157
158type MyResult<T> = Result<T, ()>;
159
160fn 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_diagnostics(
173 r#"
174//- /main.rs crate:main deps:core
175use core::result::Result::{self, Ok, Err};
176
177fn foo() -> Result<(), i32> { 0 }
178
179//- /core/lib.rs crate:core
180pub mod result {
181 pub enum Result<T, E> { Ok(T), Err(E) }
182}
183pub 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_diagnostics(
193 r#"
194//- /main.rs crate:main deps:core
195use core::result::Result::{self, Ok, Err};
196
197enum SomeOtherEnum { Ok(i32), Err(String) }
198
199fn foo() -> SomeOtherEnum { 0 }
200
201//- /core/lib.rs crate:core
202pub mod result {
203 pub enum Result<T, E> { Ok(T), Err(E) }
204}
205pub mod option {
206 pub enum Option<T> { Some(T), None }
207}
208"#,
209 );
210 }
211}
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