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-rw-r--r--src/grammar/params.rs32
-rw-r--r--src/grammar/paths.rs2
-rw-r--r--src/grammar/types.rs2
-rw-r--r--tests/data/parser/inline/0096_value_parameters_no_patterns.rs1
-rw-r--r--tests/data/parser/inline/0096_value_parameters_no_patterns.txt81
-rw-r--r--tests/data/parser/inline/0097_param_list_opt_patterns.rs1
-rw-r--r--tests/data/parser/inline/0097_param_list_opt_patterns.txt43
7 files changed, 151 insertions, 11 deletions
diff --git a/src/grammar/params.rs b/src/grammar/params.rs
index c7f17168b..32e905cb2 100644
--- a/src/grammar/params.rs
+++ b/src/grammar/params.rs
@@ -33,12 +33,6 @@ impl Flavor {
33 _ => true, 33 _ => true,
34 } 34 }
35 } 35 }
36 fn pattern_required(self) -> bool {
37 match self {
38 Flavor::OptionalPattern => false,
39 _ => true,
40 }
41 }
42} 36}
43 37
44fn list_(p: &mut Parser, flavor: Flavor) { 38fn list_(p: &mut Parser, flavor: Flavor) {
@@ -65,9 +59,29 @@ fn list_(p: &mut Parser, flavor: Flavor) {
65 59
66fn value_parameter(p: &mut Parser, flavor: Flavor) { 60fn value_parameter(p: &mut Parser, flavor: Flavor) {
67 let m = p.start(); 61 let m = p.start();
68 patterns::pattern(p); 62 match flavor {
69 if p.at(COLON) || flavor.type_required() { 63 Flavor::OptionalType | Flavor::Normal => {
70 types::ascription(p) 64 patterns::pattern(p);
65 if p.at(COLON) || flavor.type_required() {
66 types::ascription(p)
67 }
68 },
69 // test value_parameters_no_patterns
70 // type F = Box<Fn(a: i32, &b: &i32, &mut c: &i32, ())>;
71 Flavor::OptionalPattern => {
72 let la0 = p.current();
73 let la1 = p.nth(1);
74 let la2 = p.nth(2);
75 let la3 = p.nth(3);
76 if la0 == IDENT && la1 == COLON
77 || la0 == AMP && la1 == IDENT && la2 == COLON
78 || la0 == AMP && la1 == MUT_KW && la2 == IDENT && la3 == COLON {
79 patterns::pattern(p);
80 types::ascription(p);
81 } else {
82 types::type_(p);
83 }
84 },
71 } 85 }
72 m.complete(p, PARAM); 86 m.complete(p, PARAM);
73} 87}
diff --git a/src/grammar/paths.rs b/src/grammar/paths.rs
index 6d406645f..c277e2a6b 100644
--- a/src/grammar/paths.rs
+++ b/src/grammar/paths.rs
@@ -75,7 +75,7 @@ fn path_generic_args(p: &mut Parser, mode: Mode) {
75 // test path_fn_trait_args 75 // test path_fn_trait_args
76 // type F = Box<Fn(x: i32) -> ()>; 76 // type F = Box<Fn(x: i32) -> ()>;
77 if p.at(L_PAREN) { 77 if p.at(L_PAREN) {
78 params::param_list(p); 78 params::param_list_opt_patterns(p);
79 fn_ret_type(p); 79 fn_ret_type(p);
80 } else { 80 } else {
81 type_args::type_arg_list(p, false) 81 type_args::type_arg_list(p, false)
diff --git a/src/grammar/types.rs b/src/grammar/types.rs
index 03a087acd..c8ced3d28 100644
--- a/src/grammar/types.rs
+++ b/src/grammar/types.rs
@@ -166,7 +166,7 @@ fn fn_pointer_type(p: &mut Parser) {
166 return; 166 return;
167 } 167 }
168 168
169 params::param_list(p); 169 params::param_list_opt_patterns(p);
170 // test fn_pointer_type_with_ret 170 // test fn_pointer_type_with_ret
171 // type F = fn() -> (); 171 // type F = fn() -> ();
172 fn_ret_type(p); 172 fn_ret_type(p);
diff --git a/tests/data/parser/inline/0096_value_parameters_no_patterns.rs b/tests/data/parser/inline/0096_value_parameters_no_patterns.rs
new file mode 100644
index 000000000..d8c23c76a
--- /dev/null
+++ b/tests/data/parser/inline/0096_value_parameters_no_patterns.rs
@@ -0,0 +1 @@
type F = Box<Fn(a: i32, &b: &i32, &mut c: &i32, ())>;
diff --git a/tests/data/parser/inline/0096_value_parameters_no_patterns.txt b/tests/data/parser/inline/0096_value_parameters_no_patterns.txt
new file mode 100644
index 000000000..c3f9bf685
--- /dev/null
+++ b/tests/data/parser/inline/0096_value_parameters_no_patterns.txt
@@ -0,0 +1,81 @@
1FILE@[0; 54)
2 TYPE_ITEM@[0; 53)
3 TYPE_KW@[0; 4)
4 WHITESPACE@[4; 5)
5 NAME@[5; 6)
6 IDENT@[5; 6) "F"
7 WHITESPACE@[6; 7)
8 EQ@[7; 8)
9 WHITESPACE@[8; 9)
10 PATH_TYPE@[9; 52)
11 PATH@[9; 52)
12 PATH_SEGMENT@[9; 52)
13 NAME_REF@[9; 12)
14 IDENT@[9; 12) "Box"
15 TYPE_ARG_LIST@[12; 52)
16 L_ANGLE@[12; 13)
17 TYPE_ARG@[13; 51)
18 PATH_TYPE@[13; 51)
19 PATH@[13; 51)
20 PATH_SEGMENT@[13; 51)
21 NAME_REF@[13; 15)
22 IDENT@[13; 15) "Fn"
23 PARAM_LIST@[15; 51)
24 L_PAREN@[15; 16)
25 PARAM@[16; 22)
26 BIND_PAT@[16; 17)
27 NAME@[16; 17)
28 IDENT@[16; 17) "a"
29 COLON@[17; 18)
30 WHITESPACE@[18; 19)
31 PATH_TYPE@[19; 22)
32 PATH@[19; 22)
33 PATH_SEGMENT@[19; 22)
34 NAME_REF@[19; 22)
35 IDENT@[19; 22) "i32"
36 COMMA@[22; 23)
37 WHITESPACE@[23; 24)
38 PARAM@[24; 32)
39 REF_PAT@[24; 26)
40 AMP@[24; 25)
41 BIND_PAT@[25; 26)
42 NAME@[25; 26)
43 IDENT@[25; 26) "b"
44 COLON@[26; 27)
45 WHITESPACE@[27; 28)
46 REFERENCE_TYPE@[28; 32)
47 AMP@[28; 29)
48 PATH_TYPE@[29; 32)
49 PATH@[29; 32)
50 PATH_SEGMENT@[29; 32)
51 NAME_REF@[29; 32)
52 IDENT@[29; 32) "i32"
53 COMMA@[32; 33)
54 WHITESPACE@[33; 34)
55 PARAM@[34; 46)
56 REF_PAT@[34; 40)
57 AMP@[34; 35)
58 MUT_KW@[35; 38)
59 WHITESPACE@[38; 39)
60 BIND_PAT@[39; 40)
61 NAME@[39; 40)
62 IDENT@[39; 40) "c"
63 COLON@[40; 41)
64 WHITESPACE@[41; 42)
65 REFERENCE_TYPE@[42; 46)
66 AMP@[42; 43)
67 PATH_TYPE@[43; 46)
68 PATH@[43; 46)
69 PATH_SEGMENT@[43; 46)
70 NAME_REF@[43; 46)
71 IDENT@[43; 46) "i32"
72 COMMA@[46; 47)
73 WHITESPACE@[47; 48)
74 PARAM@[48; 50)
75 TUPLE_TYPE@[48; 50)
76 L_PAREN@[48; 49)
77 R_PAREN@[49; 50)
78 R_PAREN@[50; 51)
79 R_ANGLE@[51; 52)
80 SEMI@[52; 53)
81 WHITESPACE@[53; 54)
diff --git a/tests/data/parser/inline/0097_param_list_opt_patterns.rs b/tests/data/parser/inline/0097_param_list_opt_patterns.rs
new file mode 100644
index 000000000..9b93442c0
--- /dev/null
+++ b/tests/data/parser/inline/0097_param_list_opt_patterns.rs
@@ -0,0 +1 @@
fn foo<F: FnMut(&mut Foo<'a>)>(){}
diff --git a/tests/data/parser/inline/0097_param_list_opt_patterns.txt b/tests/data/parser/inline/0097_param_list_opt_patterns.txt
new file mode 100644
index 000000000..f8a37aebb
--- /dev/null
+++ b/tests/data/parser/inline/0097_param_list_opt_patterns.txt
@@ -0,0 +1,43 @@
1FILE@[0; 35)
2 FN_ITEM@[0; 34)
3 FN_KW@[0; 2)
4 WHITESPACE@[2; 3)
5 NAME@[3; 6)
6 IDENT@[3; 6) "foo"
7 TYPE_PARAM_LIST@[6; 30)
8 L_ANGLE@[6; 7)
9 TYPE_PARAM@[7; 29)
10 NAME@[7; 8)
11 IDENT@[7; 8) "F"
12 COLON@[8; 9)
13 WHITESPACE@[9; 10)
14 PATH@[10; 29)
15 PATH_SEGMENT@[10; 29)
16 NAME_REF@[10; 15)
17 IDENT@[10; 15) "FnMut"
18 PARAM_LIST@[15; 29)
19 L_PAREN@[15; 16)
20 PARAM@[16; 28)
21 REFERENCE_TYPE@[16; 28)
22 AMP@[16; 17)
23 MUT_KW@[17; 20)
24 WHITESPACE@[20; 21)
25 PATH_TYPE@[21; 28)
26 PATH@[21; 28)
27 PATH_SEGMENT@[21; 28)
28 NAME_REF@[21; 24)
29 IDENT@[21; 24) "Foo"
30 TYPE_ARG_LIST@[24; 28)
31 L_ANGLE@[24; 25)
32 LIFETIME_ARG@[25; 27)
33 LIFETIME@[25; 27) "'a"
34 R_ANGLE@[27; 28)
35 R_PAREN@[28; 29)
36 R_ANGLE@[29; 30)
37 PARAM_LIST@[30; 32)
38 L_PAREN@[30; 31)
39 R_PAREN@[31; 32)
40 BLOCK_EXPR@[32; 34)
41 L_CURLY@[32; 33)
42 R_CURLY@[33; 34)
43 WHITESPACE@[34; 35)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 10:24:13 +0000