1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/invalid/statements/match/as_pattern_0.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..198,
body: [
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 0..197,
subject: Name(
ExprName {
node_index: NodeIndex(None),
range: 6..13,
id: Name("subject"),
ctx: Load,
},
),
cases: [
MatchCase {
range: 127..197,
node_index: NodeIndex(None),
pattern: MatchClass(
PatternMatchClass {
node_index: NodeIndex(None),
range: 132..146,
cls: Name(
ExprName {
node_index: NodeIndex(None),
range: 133..139,
id: Name(""),
ctx: Invalid,
},
),
arguments: PatternArguments {
range: 140..146,
node_index: NodeIndex(None),
patterns: [
MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 141..142,
pattern: None,
name: Some(
Identifier {
id: Name("a"),
range: 141..142,
node_index: NodeIndex(None),
},
),
},
),
MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 144..145,
pattern: None,
name: Some(
Identifier {
id: Name("b"),
range: 144..145,
node_index: NodeIndex(None),
},
),
},
),
],
keywords: [],
},
},
),
guard: None,
body: [
Pass(
StmtPass {
node_index: NodeIndex(None),
range: 193..197,
},
),
],
},
],
},
),
],
},
)
```
## Errors
|
3 | # class pattern
4 | # v
5 | case (x as y)(a, b):
| ^^^^^^ Syntax Error: Invalid value for a class pattern
6 | # ^^^^^^
7 | # as-pattern
|