aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--crates/libeditor/src/completion.rs53
-rw-r--r--crates/libsyntax2/src/grammar/patterns.rs11
-rw-r--r--crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.rs8
-rw-r--r--crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.txt179
4 files changed, 248 insertions, 3 deletions
diff --git a/crates/libeditor/src/completion.rs b/crates/libeditor/src/completion.rs
index aeed19559..351781ec4 100644
--- a/crates/libeditor/src/completion.rs
+++ b/crates/libeditor/src/completion.rs
@@ -1,5 +1,7 @@
1use std::collections::HashMap;
2
1use libsyntax2::{ 3use libsyntax2::{
2 File, TextUnit, AstNode, SyntaxNodeRef, 4 File, TextUnit, AstNode, SyntaxNodeRef, SyntaxNode, SmolStr,
3 ast::{self, NameOwner}, 5 ast::{self, NameOwner},
4 algo::{ 6 algo::{
5 ancestors, 7 ancestors,
@@ -59,3 +61,52 @@ fn process_scope(node: SyntaxNodeRef, sink: &mut Vec<CompletionItem>) {
59 sink.extend(items); 61 sink.extend(items);
60 } 62 }
61} 63}
64
65// fn compute_scopes(fn_def: ast::FnDef) -> FnScopes {
66// let mut scopes = FnScopes::new();
67// }
68
69// type ScopeId = usize;
70
71// struct FnScopes {
72// scopes: Vec<ScopeData>,
73// scope_for_expr: HashMap<SyntaxNode, ScopeId>,
74// }
75
76// impl FnScopes {
77// fn new() -> FnScopes {
78// FnScopes {
79// scopes: vec![],
80// scope_for_expr: HashMap::new(),
81// }
82// }
83
84// fn new_scope(&mut Self) -> ScopeId {
85// let res = self.scopes.len();
86// self.scopes.push(ScopeData { parent: None, entries: vec![] })
87// }
88
89// fn set_parent
90// }
91
92// struct ScopeData {
93// parent: Option<ScopeId>,
94// entries: Vec<ScopeEntry>
95// }
96
97// struct ScopeEntry {
98// syntax: SyntaxNode
99// }
100
101// impl ScopeEntry {
102// fn name(&self) -> SmolStr {
103// self.ast().name()
104// .unwrap()
105// .text()
106// }
107
108// fn ast(&self) -> ast::BindPat {
109// ast::BindPat::cast(self.syntax.borrowed())
110// .unwrap()
111// }
112// }
diff --git a/crates/libsyntax2/src/grammar/patterns.rs b/crates/libsyntax2/src/grammar/patterns.rs
index 11852e0d3..114964651 100644
--- a/crates/libsyntax2/src/grammar/patterns.rs
+++ b/crates/libsyntax2/src/grammar/patterns.rs
@@ -2,7 +2,7 @@ use super::*;
2 2
3pub(super) const PATTERN_FIRST: TokenSet = 3pub(super) const PATTERN_FIRST: TokenSet =
4 token_set_union![ 4 token_set_union![
5 token_set![REF_KW, MUT_KW, L_PAREN, L_BRACK, AMP], 5 token_set![REF_KW, MUT_KW, L_PAREN, L_BRACK, AMP, UNDERSCORE],
6 expressions::LITERAL_FIRST, 6 expressions::LITERAL_FIRST,
7 paths::PATH_FIRST, 7 paths::PATH_FIRST,
8 ]; 8 ];
@@ -97,7 +97,13 @@ fn tuple_pat_fields(p: &mut Parser) {
97 while !p.at(EOF) && !p.at(R_PAREN) { 97 while !p.at(EOF) && !p.at(R_PAREN) {
98 match p.current() { 98 match p.current() {
99 DOTDOT => p.bump(), 99 DOTDOT => p.bump(),
100 _ => pattern(p), 100 _ => {
101 if !PATTERN_FIRST.contains(p.current()) {
102 p.error("expected a pattern");
103 break;
104 }
105 pattern(p)
106 }
101 } 107 }
102 if !p.at(R_PAREN) { 108 if !p.at(R_PAREN) {
103 p.expect(COMMA); 109 p.expect(COMMA);
@@ -125,6 +131,7 @@ fn field_pat_list(p: &mut Parser) {
125 p.bump(); 131 p.bump();
126 pattern(p); 132 pattern(p);
127 } 133 }
134 L_CURLY => error_block(p, "expected ident"),
128 _ => { 135 _ => {
129 bind_pat(p, false); 136 bind_pat(p, false);
130 } 137 }
diff --git a/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.rs b/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.rs
new file mode 100644
index 000000000..fe604006c
--- /dev/null
+++ b/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.rs
@@ -0,0 +1,8 @@
1impl FnScopes {
2 fn new_scope(&) -> ScopeId {
3 let res = self.scopes.len();
4 self.scopes.push(ScopeData { parent: None, entries: vec![] })
5 }
6
7 fn set_parent
8}
diff --git a/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.txt b/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.txt
new file mode 100644
index 000000000..3f3a7784b
--- /dev/null
+++ b/crates/libsyntax2/tests/data/parser/err/0018_incomplete_fn.txt
@@ -0,0 +1,179 @@
1ROOT@[0; 183)
2 IMPL_ITEM@[0; 182)
3 IMPL_KW@[0; 4)
4 WHITESPACE@[4; 5)
5 PATH_TYPE@[5; 13)
6 PATH@[5; 13)
7 PATH_SEGMENT@[5; 13)
8 NAME_REF@[5; 13)
9 IDENT@[5; 13) "FnScopes"
10 WHITESPACE@[13; 14)
11 ITEM_LIST@[14; 182)
12 L_CURLY@[14; 15)
13 WHITESPACE@[15; 20)
14 FN_DEF@[20; 181)
15 FN_KW@[20; 22)
16 WHITESPACE@[22; 23)
17 NAME@[23; 32)
18 IDENT@[23; 32) "new_scope"
19 PARAM_LIST@[32; 181)
20 L_PAREN@[32; 33)
21 PARAM@[33; 38)
22 REF_PAT@[33; 35)
23 AMP@[33; 34)
24 err: `expected pattern`
25 ERROR@[34; 35)
26 R_PAREN@[34; 35)
27 err: `expected COLON`
28 WHITESPACE@[35; 36)
29 err: `expected type`
30 ERROR@[36; 38)
31 THIN_ARROW@[36; 38)
32 err: `expected COMMA`
33 WHITESPACE@[38; 39)
34 PARAM@[39; 169)
35 STRUCT_PAT@[39; 161)
36 PATH@[39; 46)
37 PATH_SEGMENT@[39; 46)
38 NAME_REF@[39; 46)
39 IDENT@[39; 46) "ScopeId"
40 WHITESPACE@[46; 47)
41 FIELD_PAT_LIST@[47; 161)
42 L_CURLY@[47; 48)
43 WHITESPACE@[48; 57)
44 err: `expected a name`
45 BIND_PAT@[57; 60)
46 ERROR@[57; 60)
47 LET_KW@[57; 60)
48 err: `expected COMMA`
49 WHITESPACE@[60; 61)
50 BIND_PAT@[61; 64)
51 NAME@[61; 64)
52 IDENT@[61; 64) "res"
53 err: `expected COMMA`
54 WHITESPACE@[64; 65)
55 err: `expected a name`
56 BIND_PAT@[65; 66)
57 ERROR@[65; 66)
58 EQ@[65; 66)
59 err: `expected COMMA`
60 WHITESPACE@[66; 67)
61 err: `expected a name`
62 BIND_PAT@[67; 71)
63 ERROR@[67; 71)
64 SELF_KW@[67; 71)
65 err: `expected COMMA`
66 err: `expected a name`
67 BIND_PAT@[71; 72)
68 ERROR@[71; 72)
69 DOT@[71; 72)
70 err: `expected COMMA`
71 BIND_PAT@[72; 78)
72 NAME@[72; 78)
73 IDENT@[72; 78) "scopes"
74 err: `expected COMMA`
75 err: `expected a name`
76 BIND_PAT@[78; 79)
77 ERROR@[78; 79)
78 DOT@[78; 79)
79 err: `expected COMMA`
80 BIND_PAT@[79; 82)
81 NAME@[79; 82)
82 IDENT@[79; 82) "len"
83 err: `expected COMMA`
84 err: `expected a name`
85 BIND_PAT@[82; 83)
86 ERROR@[82; 83)
87 L_PAREN@[82; 83)
88 err: `expected COMMA`
89 err: `expected a name`
90 BIND_PAT@[83; 84)
91 ERROR@[83; 84)
92 R_PAREN@[83; 84)
93 err: `expected COMMA`
94 err: `expected a name`
95 BIND_PAT@[84; 85)
96 ERROR@[84; 85)
97 SEMI@[84; 85)
98 err: `expected COMMA`
99 WHITESPACE@[85; 94)
100 err: `expected a name`
101 BIND_PAT@[94; 98)
102 ERROR@[94; 98)
103 SELF_KW@[94; 98)
104 err: `expected COMMA`
105 err: `expected a name`
106 BIND_PAT@[98; 99)
107 ERROR@[98; 99)
108 DOT@[98; 99)
109 err: `expected COMMA`
110 BIND_PAT@[99; 105)
111 NAME@[99; 105)
112 IDENT@[99; 105) "scopes"
113 err: `expected COMMA`
114 err: `expected a name`
115 BIND_PAT@[105; 106)
116 ERROR@[105; 106)
117 DOT@[105; 106)
118 err: `expected COMMA`
119 BIND_PAT@[106; 110)
120 NAME@[106; 110)
121 IDENT@[106; 110) "push"
122 err: `expected COMMA`
123 err: `expected a name`
124 BIND_PAT@[110; 111)
125 ERROR@[110; 111)
126 L_PAREN@[110; 111)
127 err: `expected COMMA`
128 BIND_PAT@[111; 120)
129 NAME@[111; 120)
130 IDENT@[111; 120) "ScopeData"
131 err: `expected COMMA`
132 WHITESPACE@[120; 121)
133 err: `expected ident`
134 ERROR@[121; 154)
135 L_CURLY@[121; 122)
136 WHITESPACE@[122; 123)
137 IDENT@[123; 129) "parent"
138 COLON@[129; 130)
139 WHITESPACE@[130; 131)
140 IDENT@[131; 135) "None"
141 COMMA@[135; 136)
142 WHITESPACE@[136; 137)
143 IDENT@[137; 144) "entries"
144 COLON@[144; 145)
145 WHITESPACE@[145; 146)
146 IDENT@[146; 149) "vec"
147 EXCL@[149; 150)
148 L_BRACK@[150; 151)
149 R_BRACK@[151; 152)
150 WHITESPACE@[152; 153)
151 R_CURLY@[153; 154)
152 err: `expected COMMA`
153 err: `expected a name`
154 BIND_PAT@[154; 155)
155 ERROR@[154; 155)
156 R_PAREN@[154; 155)
157 WHITESPACE@[155; 160)
158 R_CURLY@[160; 161)
159 err: `expected COLON`
160 WHITESPACE@[161; 167)
161 FN_POINTER_TYPE@[167; 169)
162 FN_KW@[167; 169)
163 err: `expected parameters`
164 err: `expected COMMA`
165 WHITESPACE@[169; 170)
166 PARAM@[170; 181)
167 BIND_PAT@[170; 180)
168 NAME@[170; 180)
169 IDENT@[170; 180) "set_parent"
170 err: `expected COLON`
171 WHITESPACE@[180; 181)
172 err: `expected type`
173 err: `expected COMMA`
174 err: `expected value parameter`
175 err: `expected R_PAREN`
176 err: `expected a block`
177 ERROR@[181; 181)
178 R_CURLY@[181; 182)
179 WHITESPACE@[182; 183)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 21:10:55 +0000