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-rw-r--r--crates/ra_parser/src/grammar/type_params.rs22
-rw-r--r--crates/ra_parser/src/grammar/types.rs15
-rw-r--r--crates/ra_syntax/src/ast.rs6
-rw-r--r--crates/ra_syntax/src/ast/generated/nodes.rs2
-rw-r--r--crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast15
-rw-r--r--crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast88
-rw-r--r--crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rs3
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast367
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rs18
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast256
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs4
11 files changed, 506 insertions, 290 deletions
diff --git a/crates/ra_parser/src/grammar/type_params.rs b/crates/ra_parser/src/grammar/type_params.rs
index 50e4900c3..b3508c732 100644
--- a/crates/ra_parser/src/grammar/type_params.rs
+++ b/crates/ra_parser/src/grammar/type_params.rs
@@ -191,10 +191,30 @@ fn where_predicate(p: &mut Parser) {
191 } 191 }
192 _ => { 192 _ => {
193 // test where_pred_for 193 // test where_pred_for
194 // fn test<F>() 194 // fn for_trait<F>()
195 // where 195 // where
196 // for<'a> F: Fn(&'a str) 196 // for<'a> F: Fn(&'a str)
197 // { } 197 // { }
198 // fn for_ref<F>()
199 // where
200 // for<'a> &'a F: Debug
201 // { }
202 // fn for_parens<F>()
203 // where
204 // for<'a> (&'a F): Fn(&'a str)
205 // { }
206 // fn for_slice<F>()
207 // where
208 // for<'a> [&'a F]: Eq
209 // { }
210 // fn for_qpath<T>(_t: &T)
211 // where
212 // for<'a> <&'a T as Baz>::Foo: Iterator
213 // { }
214 if p.at(T![for]) {
215 types::for_binder(p);
216 }
217
198 types::type_(p); 218 types::type_(p);
199 219
200 if p.at(T![:]) { 220 if p.at(T![:]) {
diff --git a/crates/ra_parser/src/grammar/types.rs b/crates/ra_parser/src/grammar/types.rs
index fe1a039cb..63dd3774f 100644
--- a/crates/ra_parser/src/grammar/types.rs
+++ b/crates/ra_parser/src/grammar/types.rs
@@ -216,19 +216,20 @@ pub(super) fn for_binder(p: &mut Parser) {
216 216
217// test for_type 217// test for_type
218// type A = for<'a> fn() -> (); 218// type A = for<'a> fn() -> ();
219// fn foo<T>(_t: &T) where for<'a> &'a T: Iterator {} 219// type B = for<'a> unsafe extern "C" fn(&'a ()) -> ();
220// fn bar<T>(_t: &T) where for<'a> &'a mut T: Iterator {}
221// fn baz<T>(_t: &T) where for<'a> <&'a T as Baz>::Foo: Iterator {}
222pub(super) fn for_type(p: &mut Parser) { 220pub(super) fn for_type(p: &mut Parser) {
223 assert!(p.at(T![for])); 221 assert!(p.at(T![for]));
224 let m = p.start(); 222 let m = p.start();
225 for_binder(p); 223 for_binder(p);
226 match p.current() { 224 match p.current() {
227 T![fn] | T![unsafe] | T![extern] => fn_pointer_type(p), 225 T![fn] | T![unsafe] | T![extern] => {}
228 T![&] => reference_type(p), 226 // OK: legacy trait object format
229 _ if paths::is_path_start(p) => path_type_(p, false), 227 _ if paths::is_use_path_start(p) => {}
230 _ => p.error("expected a path"), 228 _ => {
229 p.error("expected a function pointer or path");
230 }
231 } 231 }
232 type_no_bounds(p);
232 m.complete(p, FOR_TYPE); 233 m.complete(p, FOR_TYPE);
233} 234}
234 235
diff --git a/crates/ra_syntax/src/ast.rs b/crates/ra_syntax/src/ast.rs
index eddc807d5..9d02aeef3 100644
--- a/crates/ra_syntax/src/ast.rs
+++ b/crates/ra_syntax/src/ast.rs
@@ -285,6 +285,8 @@ where
285 let pred = predicates.next().unwrap(); 285 let pred = predicates.next().unwrap();
286 let mut bounds = pred.type_bound_list().unwrap().bounds(); 286 let mut bounds = pred.type_bound_list().unwrap().bounds();
287 287
288 assert!(pred.for_token().is_none());
289 assert!(pred.type_param_list().is_none());
288 assert_eq!("T", pred.type_ref().unwrap().syntax().text().to_string()); 290 assert_eq!("T", pred.type_ref().unwrap().syntax().text().to_string());
289 assert_bound("Clone", bounds.next()); 291 assert_bound("Clone", bounds.next());
290 assert_bound("Copy", bounds.next()); 292 assert_bound("Copy", bounds.next());
@@ -322,6 +324,8 @@ where
322 let pred = predicates.next().unwrap(); 324 let pred = predicates.next().unwrap();
323 let mut bounds = pred.type_bound_list().unwrap().bounds(); 325 let mut bounds = pred.type_bound_list().unwrap().bounds();
324 326
325 assert_eq!("for<'a> F", pred.type_ref().unwrap().syntax().text().to_string()); 327 assert!(pred.for_token().is_some());
328 assert_eq!("<'a>", pred.type_param_list().unwrap().syntax().text().to_string());
329 assert_eq!("F", pred.type_ref().unwrap().syntax().text().to_string());
326 assert_bound("Fn(&'a str)", bounds.next()); 330 assert_bound("Fn(&'a str)", bounds.next());
327} 331}
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index cb430ca01..40081ebb1 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -2052,6 +2052,8 @@ pub struct WherePred {
2052} 2052}
2053impl ast::TypeBoundsOwner for WherePred {} 2053impl ast::TypeBoundsOwner for WherePred {}
2054impl WherePred { 2054impl WherePred {
2055 pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
2056 pub fn type_param_list(&self) -> Option<TypeParamList> { support::child(&self.syntax) }
2055 pub fn lifetime_token(&self) -> Option<SyntaxToken> { 2057 pub fn lifetime_token(&self) -> Option<SyntaxToken> {
2056 support::token(&self.syntax, T![lifetime]) 2058 support::token(&self.syntax, T![lifetime])
2057 } 2059 }
diff --git a/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast b/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
index 568a4cc02..4d6461d1e 100644
--- a/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
+++ b/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
@@ -12,17 +12,16 @@ [email protected]
12 [email protected] "where" 12 [email protected] "where"
13 [email protected] " " 13 [email protected] " "
14 [email protected] 14 [email protected]
15 [email protected] 15 [email protected] "for"
16 [email protected] "for" 16 [email protected]
17 [email protected] 17 [email protected] "<"
18 [email protected] "<" 18 [email protected]
19 [email protected] 19 [email protected] "\'a"
20 [email protected] "\'a" 20 [email protected] ">"
21 [email protected] ">"
22 [email protected] "\n" 21 [email protected] "\n"
23 [email protected] 22 [email protected]
24 [email protected] "{" 23 [email protected] "{"
25 [email protected] "}" 24 [email protected] "}"
26 [email protected] "\n" 25 [email protected] "\n"
27error 26..26: expected a path 26error 26..26: expected type
28error 26..26: expected colon 27error 26..26: expected colon
diff --git a/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast
new file mode 100644
index 000000000..3400beff0
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast
@@ -0,0 +1,88 @@
1[email protected]
2 [email protected]
3 [email protected] "type"
4 [email protected] " "
5 [email protected]
6 [email protected] "A"
7 [email protected] " "
8 [email protected] "="
9 [email protected] " "
10 [email protected]
11 [email protected] "for"
12 [email protected]
13 [email protected] "<"
14 [email protected]
15 [email protected] "\'a"
16 [email protected] ">"
17 [email protected] " "
18 [email protected]
19 [email protected] "&"
20 [email protected] "\'a"
21 [email protected] " "
22 [email protected]
23 [email protected]
24 [email protected]
25 [email protected]
26 [email protected] "u32"
27 [email protected] ";"
28 [email protected] "\n"
29 [email protected]
30 [email protected] "type"
31 [email protected] " "
32 [email protected]
33 [email protected] "B"
34 [email protected] " "
35 [email protected] "="
36 [email protected] " "
37 [email protected]
38 [email protected] "for"
39 [email protected]
40 [email protected] "<"
41 [email protected]
42 [email protected] "\'a"
43 [email protected] ">"
44 [email protected] " "
45 [email protected]
46 [email protected] "("
47 [email protected]
48 [email protected] "&"
49 [email protected] "\'a"
50 [email protected] " "
51 [email protected]
52 [email protected]
53 [email protected]
54 [email protected]
55 [email protected] "u32"
56 [email protected] ","
57 [email protected] ")"
58 [email protected] ";"
59 [email protected] "\n"
60 [email protected]
61 [email protected] "type"
62 [email protected] " "
63 [email protected]
64 [email protected] "B"
65 [email protected] " "
66 [email protected] "="
67 [email protected] " "
68 [email protected]
69 [email protected] "for"
70 [email protected]
71 [email protected] "<"
72 [email protected]
73 [email protected] "\'a"
74 [email protected] ">"
75 [email protected] " "
76 [email protected]
77 [email protected] "["
78 [email protected]
79 [email protected]
80 [email protected]
81 [email protected]
82 [email protected] "u32"
83 [email protected] "]"
84 [email protected] ";"
85 [email protected] "\n"
86error 16..16: expected a function pointer or path
87error 42..42: expected a function pointer or path
88error 71..71: expected a function pointer or path
diff --git a/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rs b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rs
new file mode 100644
index 000000000..f34ac7fc5
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rs
@@ -0,0 +1,3 @@
1type A = for<'a> &'a u32;
2type B = for<'a> (&'a u32,);
3type B = for<'a> [u32];
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
index 9dc473e43..4f88bfe43 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
@@ -1,61 +1,310 @@
1SOURCE_FILE@0..49 1SOURCE_FILE@0..292
2 FN_DEF@0..48 2 FN_DEF@0..53
3 [email protected] "fn" 3 [email protected] "fn"
4 [email protected] " " 4 [email protected] " "
5 [email protected] 5 [email protected]
6 [email protected] "test" 6 [email protected] "for_trait"
7 [email protected] 7 [email protected]
8 [email protected] "<" 8 [email protected] "<"
9 [email protected] 9 [email protected]
10 [email protected] 10 [email protected]
11 [email protected] "F" 11 [email protected] "F"
12 [email protected] ">" 12 [email protected] ">"
13 [email protected] 13 [email protected]
14 [email protected] "(" 14 [email protected] "("
15 [email protected] ")" 15 [email protected] ")"
16 [email protected] "\n" 16 [email protected] "\n"
17 [email protected] 17 [email protected]
18 [email protected] "where" 18 [email protected] "where"
19 [email protected] "\n " 19 [email protected] "\n "
20 [email protected] 20 [email protected]
21 [email protected] 21 [email protected] "for"
22 [email protected] "for" 22 [email protected]
23 [email protected] 23 [email protected] "<"
24 [email protected] "<" 24 [email protected]
25 [email protected] 25 [email protected] "\'a"
26 [email protected] "\'a" 26 [email protected] ">"
27 [email protected] ">" 27 [email protected] " "
28 [email protected] " " 28 [email protected]
29 [email protected] 29 [email protected]
30 [email protected] 30 [email protected]
31 [email protected] 31 [email protected]
32 [email protected] 32 [email protected] "F"
33 [email protected] "F" 33 [email protected] ":"
34 [email protected] ":" 34 [email protected] " "
35 [email protected] " " 35 [email protected]
36 [email protected] 36 [email protected]
37 [email protected] 37 [email protected]
38 [email protected] 38 [email protected]
39 [email protected] 39 [email protected]
40 [email protected] 40 [email protected]
41 [email protected] 41 [email protected] "Fn"
42 [email protected] "Fn" 42 [email protected]
43 [email protected] 43 [email protected] "("
44 [email protected] "(" 44 [email protected]
45 [email protected] 45 [email protected]
46 [email protected] 46 [email protected] "&"
47 [email protected] "&" 47 [email protected] "\'a"
48 [email protected] "\'a" 48 [email protected] " "
49 [email protected] " " 49 [email protected]
50 [email protected] 50 [email protected]
51 [email protected] 51 [email protected]
52 [email protected] 52 [email protected]
53 [email protected] 53 [email protected] "str"
54 [email protected] "str" 54 [email protected] ")"
55 [email protected] ")" 55 [email protected] "\n"
56 [email protected] "\n" 56 [email protected]
57 [email protected] 57 [email protected] "{"
58 [email protected] "{" 58 [email protected] " "
59 [email protected] " " 59 [email protected] "}"
60 [email protected] "}" 60 [email protected] "\n"
61 [email protected] "\n" 61 [email protected]
62 [email protected] "fn"
63 [email protected] " "
64 [email protected]
65 [email protected] "for_ref"
66 [email protected]
67 [email protected] "<"
68 [email protected]
69 [email protected]
70 [email protected] "F"
71 [email protected] ">"
72 [email protected]
73 [email protected] "("
74 [email protected] ")"
75 [email protected] "\n"
76 [email protected]
77 [email protected] "where"
78 [email protected] "\n "
79 [email protected]
80 [email protected] "for"
81 [email protected]
82 [email protected] "<"
83 [email protected]
84 [email protected] "\'a"
85 [email protected] ">"
86 [email protected] " "
87 [email protected]
88 [email protected] "&"
89 [email protected] "\'a"
90 [email protected] " "
91 [email protected]
92 [email protected]
93 [email protected]
94 [email protected]
95 [email protected] "F"
96 [email protected] ":"
97 [email protected] " "
98 [email protected]
99 [email protected]
100 [email protected]
101 [email protected]
102 [email protected]
103 [email protected]
104 [email protected] "Debug"
105 [email protected] "\n"
106 [email protected]
107 [email protected] "{"
108 [email protected] " "
109 [email protected] "}"
110 [email protected] "\n"
111 [email protected]
112 [email protected] "fn"
113 [email protected] " "
114 [email protected]
115 [email protected] "for_parens"
116 [email protected]
117 [email protected] "<"
118 [email protected]
119 [email protected]
120 [email protected] "F"
121 [email protected] ">"
122 [email protected]
123 [email protected] "("
124 [email protected] ")"
125 [email protected] "\n"
126 [email protected]
127 [email protected] "where"
128 [email protected] "\n "
129 [email protected]
130 [email protected] "for"
131 [email protected]
132 [email protected] "<"
133 [email protected]
134 [email protected] "\'a"
135 [email protected] ">"
136 [email protected] " "
137 [email protected]
138 [email protected] "("
139 [email protected]
140 [email protected] "&"
141 [email protected] "\'a"
142 [email protected] " "
143 [email protected]
144 [email protected]
145 [email protected]
146 [email protected]
147 [email protected] "F"
148 [email protected] ")"
149 [email protected] ":"
150 [email protected] " "
151 [email protected]
152 [email protected]
153 [email protected]
154 [email protected]
155 [email protected]
156 [email protected]
157 [email protected] "Fn"
158 [email protected]
159 [email protected] "("
160 [email protected]
161 [email protected]
162 [email protected] "&"
163 [email protected] "\'a"
164 [email protected] " "
165 [email protected]
166 [email protected]
167 [email protected]
168 [email protected]
169 [email protected] "str"
170 [email protected] ")"
171 [email protected] "\n"
172 [email protected]
173 [email protected] "{"
174 [email protected] " "
175 [email protected] "}"
176 [email protected] "\n"
177 [email protected]
178 [email protected] "fn"
179 [email protected] " "
180 [email protected]
181 [email protected] "for_slice"
182 [email protected]
183 [email protected] "<"
184 [email protected]
185 [email protected]
186 [email protected] "F"
187 [email protected] ">"
188 [email protected]
189 [email protected] "("
190 [email protected] ")"
191 [email protected] "\n"
192 [email protected]
193 [email protected] "where"
194 [email protected] "\n "
195 [email protected]
196 [email protected] "for"
197 [email protected]
198 [email protected] "<"
199 [email protected]
200 [email protected] "\'a"
201 [email protected] ">"
202 [email protected] " "
203 [email protected]
204 [email protected] "["
205 [email protected]
206 [email protected] "&"
207 [email protected] "\'a"
208 [email protected] " "
209 [email protected]
210 [email protected]
211 [email protected]
212 [email protected]
213 [email protected] "F"
214 [email protected] "]"
215 [email protected] ":"
216 [email protected] " "
217 [email protected]
218 [email protected]
219 [email protected]
220 [email protected]
221 [email protected]
222 [email protected]
223 [email protected] "Eq"
224 [email protected] "\n"
225 [email protected]
226 [email protected] "{"
227 [email protected] " "
228 [email protected] "}"
229 [email protected] "\n"
230 [email protected]
231 [email protected] "fn"
232 [email protected] " "
233 [email protected]
234 [email protected] "for_qpath"
235 [email protected]
236 [email protected] "<"
237 [email protected]
238 [email protected]
239 [email protected] "T"
240 [email protected] ">"
241 [email protected]
242 [email protected] "("
243 [email protected]
244 [email protected]
245 [email protected]
246 [email protected] "_t"
247 [email protected] ":"
248 [email protected] " "
249 [email protected]
250 [email protected] "&"
251 [email protected]
252 [email protected]
253 [email protected]
254 [email protected]
255 [email protected] "T"
256 [email protected] ")"
257 [email protected] "\n"
258 [email protected]
259 [email protected] "where"
260 [email protected] "\n "
261 [email protected]
262 [email protected] "for"
263 [email protected]
264 [email protected] "<"
265 [email protected]
266 [email protected] "\'a"
267 [email protected] ">"
268 [email protected] " "
269 [email protected]
270 [email protected]
271 [email protected]
272 [email protected]
273 [email protected] "<"
274 [email protected]
275 [email protected] "&"
276 [email protected] "\'a"
277 [email protected] " "
278 [email protected]
279 [email protected]
280 [email protected]
281 [email protected]
282 [email protected] "T"
283 [email protected] " "
284 [email protected] "as"
285 [email protected] " "
286 [email protected]
287 [email protected]
288 [email protected]
289 [email protected]
290 [email protected] "Baz"
291 [email protected] ">"
292 [email protected] "::"
293 [email protected]
294 [email protected]
295 [email protected] "Foo"
296 [email protected] ":"
297 [email protected] " "
298 [email protected]
299 [email protected]
300 [email protected]
301 [email protected]
302 [email protected]
303 [email protected]
304 [email protected] "Iterator"
305 [email protected] "\n"
306 [email protected]
307 [email protected] "{"
308 [email protected] " "
309 [email protected] "}"
310 [email protected] "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rs b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rs
index b448c6178..2d47596be 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rs
@@ -1,4 +1,20 @@
1fn test<F>() 1fn for_trait<F>()
2where 2where
3 for<'a> F: Fn(&'a str) 3 for<'a> F: Fn(&'a str)
4{ } 4{ }
5fn for_ref<F>()
6where
7 for<'a> &'a F: Debug
8{ }
9fn for_parens<F>()
10where
11 for<'a> (&'a F): Fn(&'a str)
12{ }
13fn for_slice<F>()
14where
15 for<'a> [&'a F]: Eq
16{ }
17fn for_qpath<T>(_t: &T)
18where
19 for<'a> <&'a T as Baz>::Foo: Iterator
20{ }
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast b/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast
index dfb8d57ad..26a80017a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rast
@@ -1,4 +1,4 @@
1[email protected]00 1SOURCE_FILE@0..82
2 [email protected] 2 [email protected]
3 [email protected] "type" 3 [email protected] "type"
4 [email protected] " " 4 [email protected] " "
@@ -29,212 +29,48 @@ [email protected]
29 [email protected] ")" 29 [email protected] ")"
30 [email protected] ";" 30 [email protected] ";"
31 [email protected] "\n" 31 [email protected] "\n"
32 [email protected] 32 [email protected]
33 [email protected] "fn" 33 [email protected] "type"
34 [email protected] " " 34 [email protected] " "
35 [email protected] 35 [email protected]
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diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs b/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs
index d6774d438..457e8744f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0081_for_type.rs
@@ -1,4 +1,2 @@
1type A = for<'a> fn() -> (); 1type A = for<'a> fn() -> ();
2fn foo<T>(_t: &T) where for<'a> &'a T: Iterator {} 2type B = for<'a> unsafe extern "C" fn(&'a ()) -> ();
3fn bar<T>(_t: &T) where for<'a> &'a mut T: Iterator {}
4fn baz<T>(_t: &T) where for<'a> <&'a T as Baz>::Foo: Iterator {}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 14:13:44 +0000