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---
source: crates/ruff_python_parser/tests/fixtures.rs
input_file: crates/ruff_python_parser/resources/inline/err/match_stmt_invalid_subject_expr.py
---
## AST
```
Module(
ModModule {
node_index: NodeIndex(None),
range: 0..131,
body: [
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 0..27,
subject: Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 7..9,
value: Name(
ExprName {
node_index: NodeIndex(None),
range: 8..9,
id: Name("x"),
ctx: Load,
},
),
ctx: Load,
},
),
cases: [
MatchCase {
range: 16..27,
node_index: NodeIndex(None),
pattern: MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 21..22,
pattern: None,
name: None,
},
),
guard: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 24..27,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 24..27,
},
),
},
),
],
},
],
},
),
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 65..99,
subject: Tuple(
ExprTuple {
node_index: NodeIndex(None),
range: 71..82,
elts: [
Starred(
ExprStarred {
node_index: NodeIndex(None),
range: 71..79,
value: BoolOp(
ExprBoolOp {
node_index: NodeIndex(None),
range: 72..79,
op: And,
values: [
Name(
ExprName {
node_index: NodeIndex(None),
range: 72..73,
id: Name("x"),
ctx: Load,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 78..79,
id: Name("y"),
ctx: Load,
},
),
],
},
),
ctx: Load,
},
),
Name(
ExprName {
node_index: NodeIndex(None),
range: 81..82,
id: Name("z"),
ctx: Load,
},
),
],
ctx: Load,
parenthesized: false,
},
),
cases: [
MatchCase {
range: 88..99,
node_index: NodeIndex(None),
pattern: MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 93..94,
pattern: None,
name: None,
},
),
guard: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 96..99,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 96..99,
},
),
},
),
],
},
],
},
),
Match(
StmtMatch {
node_index: NodeIndex(None),
range: 100..130,
subject: Yield(
ExprYield {
node_index: NodeIndex(None),
range: 106..113,
value: Some(
Name(
ExprName {
node_index: NodeIndex(None),
range: 112..113,
id: Name("x"),
ctx: Load,
},
),
),
},
),
cases: [
MatchCase {
range: 119..130,
node_index: NodeIndex(None),
pattern: MatchAs(
PatternMatchAs {
node_index: NodeIndex(None),
range: 124..125,
pattern: None,
name: None,
},
),
guard: None,
body: [
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 127..130,
value: EllipsisLiteral(
ExprEllipsisLiteral {
node_index: NodeIndex(None),
range: 127..130,
},
),
},
),
],
},
],
},
),
],
},
)
```
## Errors
|
1 | match (*x):
| ^^ Syntax Error: Starred expression cannot be used here
2 | case _: ...
3 | # Starred expression precedence test
|
|
2 | case _: ...
3 | # Starred expression precedence test
4 | match *x and y, z:
| ^^^^^^^ Syntax Error: Boolean expression cannot be used here
5 | case _: ...
6 | match yield x:
|
|
4 | match *x and y, z:
5 | case _: ...
6 | match yield x:
| ^^^^^^^ Syntax Error: Yield expression cannot be used here
7 | case _: ...
|