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-rw-r--r--crates/ide_assists/src/handlers/generate_getter.rs173
-rw-r--r--crates/ide_assists/src/handlers/generate_getter_mut.rs195
-rw-r--r--crates/ide_assists/src/lib.rs3
-rw-r--r--crates/ide_assists/src/tests.rs2
4 files changed, 162 insertions, 211 deletions
diff --git a/crates/ide_assists/src/handlers/generate_getter.rs b/crates/ide_assists/src/handlers/generate_getter.rs
index df7d1bb95..e01985112 100644
--- a/crates/ide_assists/src/handlers/generate_getter.rs
+++ b/crates/ide_assists/src/handlers/generate_getter.rs
@@ -29,6 +29,40 @@ use crate::{
29// } 29// }
30// ``` 30// ```
31pub(crate) fn generate_getter(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { 31pub(crate) fn generate_getter(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
32 generate_getter_impl(acc, ctx, false)
33}
34
35// Assist: generate_getter_mut
36//
37// Generate a mut getter method.
38//
39// ```
40// struct Person {
41// nam$0e: String,
42// }
43// ```
44// ->
45// ```
46// struct Person {
47// name: String,
48// }
49//
50// impl Person {
51// /// Get a mutable reference to the person's name.
52// fn name_mut(&mut self) -> &mut String {
53// &mut self.name
54// }
55// }
56// ```
57pub(crate) fn generate_getter_mut(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
58 generate_getter_impl(acc, ctx, true)
59}
60
61pub(crate) fn generate_getter_impl(
62 acc: &mut Assists,
63 ctx: &AssistContext,
64 mutable: bool,
65) -> Option<()> {
32 let strukt = ctx.find_node_at_offset::<ast::Struct>()?; 66 let strukt = ctx.find_node_at_offset::<ast::Struct>()?;
33 let field = ctx.find_node_at_offset::<ast::RecordField>()?; 67 let field = ctx.find_node_at_offset::<ast::RecordField>()?;
34 68
@@ -37,22 +71,26 @@ pub(crate) fn generate_getter(acc: &mut Assists, ctx: &AssistContext) -> Option<
37 let field_ty = field.ty()?; 71 let field_ty = field.ty()?;
38 72
39 // Return early if we've found an existing fn 73 // Return early if we've found an existing fn
40 let fn_name = to_lower_snake_case(&field_name.to_string()); 74 let mut fn_name = to_lower_snake_case(&field_name.to_string());
75 if mutable {
76 format_to!(fn_name, "_mut");
77 }
41 let impl_def = find_struct_impl(&ctx, &ast::Adt::Struct(strukt.clone()), fn_name.as_str())?; 78 let impl_def = find_struct_impl(&ctx, &ast::Adt::Struct(strukt.clone()), fn_name.as_str())?;
42 79
80 let (id, label) = if mutable {
81 ("generate_getter_mut", "Generate a mut getter method")
82 } else {
83 ("generate_getter", "Generate a getter method")
84 };
43 let target = field.syntax().text_range(); 85 let target = field.syntax().text_range();
44 acc.add_group( 86 acc.add_group(
45 &GroupLabel("Generate getter/setter".to_owned()), 87 &GroupLabel("Generate getter/setter".to_owned()),
46 AssistId("generate_getter", AssistKind::Generate), 88 AssistId(id, AssistKind::Generate),
47 "Generate a getter method", 89 label,
48 target, 90 target,
49 |builder| { 91 |builder| {
50 let mut buf = String::with_capacity(512); 92 let mut buf = String::with_capacity(512);
51 93
52 let fn_name_spaced = fn_name.replace('_', " ");
53 let strukt_name_spaced =
54 to_lower_snake_case(&strukt_name.to_string()).replace('_', " ");
55
56 if impl_def.is_some() { 94 if impl_def.is_some() {
57 buf.push('\n'); 95 buf.push('\n');
58 } 96 }
@@ -60,16 +98,18 @@ pub(crate) fn generate_getter(acc: &mut Assists, ctx: &AssistContext) -> Option<
60 let vis = strukt.visibility().map_or(String::new(), |v| format!("{} ", v)); 98 let vis = strukt.visibility().map_or(String::new(), |v| format!("{} ", v));
61 format_to!( 99 format_to!(
62 buf, 100 buf,
63 " /// Get a reference to the {}'s {}. 101 " /// Get a {}reference to the {}'s {}.
64 {}fn {}(&self) -> &{} {{ 102 {}fn {}(&{mut_}self) -> &{mut_}{} {{
65 &self.{} 103 &{mut_}self.{}
66 }}", 104 }}",
67 strukt_name_spaced, 105 mutable.then(|| "mutable ").unwrap_or_default(),
68 fn_name_spaced, 106 to_lower_snake_case(&strukt_name.to_string()).replace('_', " "),
107 fn_name.trim_end_matches("_mut").replace('_', " "),
69 vis, 108 vis,
70 fn_name, 109 fn_name,
71 field_ty, 110 field_ty,
72 fn_name, 111 field_name,
112 mut_ = mutable.then(|| "mut ").unwrap_or_default(),
73 ); 113 );
74 114
75 let start_offset = impl_def 115 let start_offset = impl_def
@@ -190,3 +230,110 @@ impl<T: Clone> Context<T> {
190 ); 230 );
191 } 231 }
192} 232}
233
234#[cfg(test)]
235mod tests_mut {
236 use crate::tests::{check_assist, check_assist_not_applicable};
237
238 use super::*;
239
240 fn check_not_applicable(ra_fixture: &str) {
241 check_assist_not_applicable(generate_getter_mut, ra_fixture)
242 }
243
244 #[test]
245 fn test_generate_getter_mut_from_field() {
246 check_assist(
247 generate_getter_mut,
248 r#"
249struct Context<T: Clone> {
250 dat$0a: T,
251}"#,
252 r#"
253struct Context<T: Clone> {
254 data: T,
255}
256
257impl<T: Clone> Context<T> {
258 /// Get a mutable reference to the context's data.
259 fn data_mut(&mut self) -> &mut T {
260 &mut self.data
261 }
262}"#,
263 );
264 }
265
266 #[test]
267 fn test_generate_getter_mut_already_implemented() {
268 check_not_applicable(
269 r#"
270struct Context<T: Clone> {
271 dat$0a: T,
272}
273
274impl<T: Clone> Context<T> {
275 fn data_mut(&mut self) -> &mut T {
276 &mut self.data
277 }
278}"#,
279 );
280 }
281
282 #[test]
283 fn test_generate_getter_mut_from_field_with_visibility_marker() {
284 check_assist(
285 generate_getter_mut,
286 r#"
287pub(crate) struct Context<T: Clone> {
288 dat$0a: T,
289}"#,
290 r#"
291pub(crate) struct Context<T: Clone> {
292 data: T,
293}
294
295impl<T: Clone> Context<T> {
296 /// Get a mutable reference to the context's data.
297 pub(crate) fn data_mut(&mut self) -> &mut T {
298 &mut self.data
299 }
300}"#,
301 );
302 }
303
304 #[test]
305 fn test_multiple_generate_getter_mut() {
306 check_assist(
307 generate_getter_mut,
308 r#"
309struct Context<T: Clone> {
310 data: T,
311 cou$0nt: usize,
312}
313
314impl<T: Clone> Context<T> {
315 /// Get a mutable reference to the context's data.
316 fn data_mut(&mut self) -> &mut T {
317 &mut self.data
318 }
319}"#,
320 r#"
321struct Context<T: Clone> {
322 data: T,
323 count: usize,
324}
325
326impl<T: Clone> Context<T> {
327 /// Get a mutable reference to the context's data.
328 fn data_mut(&mut self) -> &mut T {
329 &mut self.data
330 }
331
332 /// Get a mutable reference to the context's count.
333 fn count_mut(&mut self) -> &mut usize {
334 &mut self.count
335 }
336}"#,
337 );
338 }
339}
diff --git a/crates/ide_assists/src/handlers/generate_getter_mut.rs b/crates/ide_assists/src/handlers/generate_getter_mut.rs
deleted file mode 100644
index 821c2eed5..000000000
--- a/crates/ide_assists/src/handlers/generate_getter_mut.rs
+++ /dev/null
@@ -1,195 +0,0 @@
1use stdx::{format_to, to_lower_snake_case};
2use syntax::ast::{self, AstNode, NameOwner, VisibilityOwner};
3
4use crate::{
5 utils::{find_impl_block_end, find_struct_impl, generate_impl_text},
6 AssistContext, AssistId, AssistKind, Assists, GroupLabel,
7};
8
9// Assist: generate_getter_mut
10//
11// Generate a mut getter method.
12//
13// ```
14// struct Person {
15// nam$0e: String,
16// }
17// ```
18// ->
19// ```
20// struct Person {
21// name: String,
22// }
23//
24// impl Person {
25// /// Get a mutable reference to the person's name.
26// fn name_mut(&mut self) -> &mut String {
27// &mut self.name
28// }
29// }
30// ```
31pub(crate) fn generate_getter_mut(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
32 let strukt = ctx.find_node_at_offset::<ast::Struct>()?;
33 let field = ctx.find_node_at_offset::<ast::RecordField>()?;
34
35 let strukt_name = strukt.name()?;
36 let field_name = field.name()?;
37 let field_ty = field.ty()?;
38
39 // Return early if we've found an existing fn
40 let fn_name = to_lower_snake_case(&field_name.to_string());
41 let impl_def = find_struct_impl(
42 &ctx,
43 &ast::Adt::Struct(strukt.clone()),
44 format!("{}_mut", fn_name).as_str(),
45 )?;
46
47 let target = field.syntax().text_range();
48 acc.add_group(
49 &GroupLabel("Generate getter/setter".to_owned()),
50 AssistId("generate_getter_mut", AssistKind::Generate),
51 "Generate a mut getter method",
52 target,
53 |builder| {
54 let mut buf = String::with_capacity(512);
55 let fn_name_spaced = fn_name.replace('_', " ");
56 let strukt_name_spaced =
57 to_lower_snake_case(&strukt_name.to_string()).replace('_', " ");
58
59 if impl_def.is_some() {
60 buf.push('\n');
61 }
62
63 let vis = strukt.visibility().map_or(String::new(), |v| format!("{} ", v));
64 format_to!(
65 buf,
66 " /// Get a mutable reference to the {}'s {}.
67 {}fn {}_mut(&mut self) -> &mut {} {{
68 &mut self.{}
69 }}",
70 strukt_name_spaced,
71 fn_name_spaced,
72 vis,
73 fn_name,
74 field_ty,
75 fn_name,
76 );
77
78 let start_offset = impl_def
79 .and_then(|impl_def| find_impl_block_end(impl_def, &mut buf))
80 .unwrap_or_else(|| {
81 buf = generate_impl_text(&ast::Adt::Struct(strukt.clone()), &buf);
82 strukt.syntax().text_range().end()
83 });
84
85 builder.insert(start_offset, buf);
86 },
87 )
88}
89
90#[cfg(test)]
91mod tests {
92 use crate::tests::{check_assist, check_assist_not_applicable};
93
94 use super::*;
95
96 fn check_not_applicable(ra_fixture: &str) {
97 check_assist_not_applicable(generate_getter_mut, ra_fixture)
98 }
99
100 #[test]
101 fn test_generate_getter_mut_from_field() {
102 check_assist(
103 generate_getter_mut,
104 r#"
105struct Context<T: Clone> {
106 dat$0a: T,
107}"#,
108 r#"
109struct Context<T: Clone> {
110 data: T,
111}
112
113impl<T: Clone> Context<T> {
114 /// Get a mutable reference to the context's data.
115 fn data_mut(&mut self) -> &mut T {
116 &mut self.data
117 }
118}"#,
119 );
120 }
121
122 #[test]
123 fn test_generate_getter_mut_already_implemented() {
124 check_not_applicable(
125 r#"
126struct Context<T: Clone> {
127 dat$0a: T,
128}
129
130impl<T: Clone> Context<T> {
131 fn data_mut(&mut self) -> &mut T {
132 &mut self.data
133 }
134}"#,
135 );
136 }
137
138 #[test]
139 fn test_generate_getter_mut_from_field_with_visibility_marker() {
140 check_assist(
141 generate_getter_mut,
142 r#"
143pub(crate) struct Context<T: Clone> {
144 dat$0a: T,
145}"#,
146 r#"
147pub(crate) struct Context<T: Clone> {
148 data: T,
149}
150
151impl<T: Clone> Context<T> {
152 /// Get a mutable reference to the context's data.
153 pub(crate) fn data_mut(&mut self) -> &mut T {
154 &mut self.data
155 }
156}"#,
157 );
158 }
159
160 #[test]
161 fn test_multiple_generate_getter_mut() {
162 check_assist(
163 generate_getter_mut,
164 r#"
165struct Context<T: Clone> {
166 data: T,
167 cou$0nt: usize,
168}
169
170impl<T: Clone> Context<T> {
171 /// Get a mutable reference to the context's data.
172 fn data_mut(&mut self) -> &mut T {
173 &mut self.data
174 }
175}"#,
176 r#"
177struct Context<T: Clone> {
178 data: T,
179 count: usize,
180}
181
182impl<T: Clone> Context<T> {
183 /// Get a mutable reference to the context's data.
184 fn data_mut(&mut self) -> &mut T {
185 &mut self.data
186 }
187
188 /// Get a mutable reference to the context's count.
189 fn count_mut(&mut self) -> &mut usize {
190 &mut self.count
191 }
192}"#,
193 );
194 }
195}
diff --git a/crates/ide_assists/src/lib.rs b/crates/ide_assists/src/lib.rs
index 4cd82f8c1..16af72927 100644
--- a/crates/ide_assists/src/lib.rs
+++ b/crates/ide_assists/src/lib.rs
@@ -206,7 +206,6 @@ mod handlers {
206 mod generate_enum_projection_method; 206 mod generate_enum_projection_method;
207 mod generate_from_impl_for_enum; 207 mod generate_from_impl_for_enum;
208 mod generate_function; 208 mod generate_function;
209 mod generate_getter_mut;
210 mod generate_getter; 209 mod generate_getter;
211 mod generate_impl; 210 mod generate_impl;
212 mod generate_new; 211 mod generate_new;
@@ -276,8 +275,8 @@ mod handlers {
276 generate_enum_projection_method::generate_enum_try_into_method, 275 generate_enum_projection_method::generate_enum_try_into_method,
277 generate_from_impl_for_enum::generate_from_impl_for_enum, 276 generate_from_impl_for_enum::generate_from_impl_for_enum,
278 generate_function::generate_function, 277 generate_function::generate_function,
279 generate_getter_mut::generate_getter_mut,
280 generate_getter::generate_getter, 278 generate_getter::generate_getter,
279 generate_getter::generate_getter_mut,
281 generate_impl::generate_impl, 280 generate_impl::generate_impl,
282 generate_new::generate_new, 281 generate_new::generate_new,
283 generate_setter::generate_setter, 282 generate_setter::generate_setter,
diff --git a/crates/ide_assists/src/tests.rs b/crates/ide_assists/src/tests.rs
index 6a9231e07..2b7c2d581 100644
--- a/crates/ide_assists/src/tests.rs
+++ b/crates/ide_assists/src/tests.rs
@@ -215,8 +215,8 @@ fn assist_order_field_struct() {
215 215
216 assert_eq!(assists.next().expect("expected assist").label, "Change visibility to pub(crate)"); 216 assert_eq!(assists.next().expect("expected assist").label, "Change visibility to pub(crate)");
217 assert_eq!(assists.next().expect("expected assist").label, "Generate `Deref` impl using `bar`"); 217 assert_eq!(assists.next().expect("expected assist").label, "Generate `Deref` impl using `bar`");
218 assert_eq!(assists.next().expect("expected assist").label, "Generate a mut getter method");
219 assert_eq!(assists.next().expect("expected assist").label, "Generate a getter method"); 218 assert_eq!(assists.next().expect("expected assist").label, "Generate a getter method");
219 assert_eq!(assists.next().expect("expected assist").label, "Generate a mut getter method");
220 assert_eq!(assists.next().expect("expected assist").label, "Generate a setter method"); 220 assert_eq!(assists.next().expect("expected assist").label, "Generate a setter method");
221 assert_eq!(assists.next().expect("expected assist").label, "Add `#[derive]`"); 221 assert_eq!(assists.next().expect("expected assist").label, "Add `#[derive]`");
222} 222}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 13:26:51 +0000