mirror of
https://github.com/astral-sh/ruff.git
synced 2025-10-31 03:55:09 +00:00
c9dff5c7d5
## Summary Garbage collect ASTs once we are done checking a given file. Queries with a cross-file dependency on the AST will reparse the file on demand. This reduces ty's peak memory usage by ~20-30%. The primary change of this PR is adding a `node_index` field to every AST node, that is assigned by the parser. `ParsedModule` can use this to create a flat index of AST nodes any time the file is parsed (or reparsed). This allows `AstNodeRef` to simply index into the current instance of the `ParsedModule`, instead of storing a pointer directly. The indices are somewhat hackily (using an atomic integer) assigned by the `parsed_module` query instead of by the parser directly. Assigning the indices in source-order in the (recursive) parser turns out to be difficult, and collecting the nodes during semantic indexing is impossible as `SemanticIndex` does not hold onto a specific `ParsedModuleRef`, which the pointers in the flat AST are tied to. This means that we have to do an extra AST traversal to assign and collect the nodes into a flat index, but the small performance impact (~3% on cold runs) seems worth it for the memory savings. Part of https://github.com/astral-sh/ty/issues/214.
1450 lines
70 KiB
Text
1450 lines
70 KiB
Text
---
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source: crates/ruff_python_parser/tests/fixtures.rs
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input_file: crates/ruff_python_parser/resources/valid/statement/class.py
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---
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## AST
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```
|
|
Module(
|
|
ModModule {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 0..1023,
|
|
body: [
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 0..19,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 6..10,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
arguments: None,
|
|
body: [
|
|
Expr(
|
|
StmtExpr {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 16..19,
|
|
value: EllipsisLiteral(
|
|
ExprEllipsisLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 16..19,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 22..80,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 28..32,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 32..34,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
FunctionDef(
|
|
StmtFunctionDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 44..80,
|
|
is_async: false,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("__init__"),
|
|
range: 48..56,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
parameters: Parameters {
|
|
range: 56..62,
|
|
node_index: AtomicNodeIndex(
|
|
0,
|
|
),
|
|
posonlyargs: [],
|
|
args: [
|
|
ParameterWithDefault {
|
|
range: 57..61,
|
|
node_index: AtomicNodeIndex(..),
|
|
parameter: Parameter {
|
|
range: 57..61,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("self"),
|
|
range: 57..61,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
annotation: None,
|
|
},
|
|
default: None,
|
|
},
|
|
],
|
|
vararg: None,
|
|
kwonlyargs: [],
|
|
kwarg: None,
|
|
},
|
|
returns: None,
|
|
body: [
|
|
Pass(
|
|
StmtPass {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 76..80,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 83..116,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 89..93,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 93..107,
|
|
node_index: AtomicNodeIndex(..),
|
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args: [
|
|
Starred(
|
|
ExprStarred {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 99..101,
|
|
value: Name(
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|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 100..101,
|
|
id: Name("A"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
],
|
|
keywords: [
|
|
Keyword {
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|
range: 94..97,
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|
node_index: AtomicNodeIndex(..),
|
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arg: Some(
|
|
Identifier {
|
|
id: Name("a"),
|
|
range: 94..95,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
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),
|
|
value: NumberLiteral(
|
|
ExprNumberLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
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range: 96..97,
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value: Int(
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1,
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),
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},
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),
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|
},
|
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Keyword {
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range: 103..106,
|
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node_index: AtomicNodeIndex(..),
|
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arg: None,
|
|
value: Name(
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|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 105..106,
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id: Name("k"),
|
|
ctx: Load,
|
|
},
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),
|
|
},
|
|
],
|
|
},
|
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),
|
|
body: [
|
|
Expr(
|
|
StmtExpr {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 113..116,
|
|
value: EllipsisLiteral(
|
|
ExprEllipsisLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 113..116,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 119..168,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 125..129,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
arguments: None,
|
|
body: [
|
|
FunctionDef(
|
|
StmtFunctionDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 135..168,
|
|
is_async: false,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("method"),
|
|
range: 139..145,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
parameters: Parameters {
|
|
range: 145..147,
|
|
node_index: AtomicNodeIndex(
|
|
0,
|
|
),
|
|
posonlyargs: [],
|
|
args: [],
|
|
vararg: None,
|
|
kwonlyargs: [],
|
|
kwarg: None,
|
|
},
|
|
returns: None,
|
|
body: [
|
|
Assign(
|
|
StmtAssign {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 157..168,
|
|
targets: [
|
|
Tuple(
|
|
ExprTuple {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 157..161,
|
|
elts: [
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 157..158,
|
|
id: Name("a"),
|
|
ctx: Store,
|
|
},
|
|
),
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 160..161,
|
|
id: Name("b"),
|
|
ctx: Store,
|
|
},
|
|
),
|
|
],
|
|
ctx: Store,
|
|
parenthesized: false,
|
|
},
|
|
),
|
|
],
|
|
value: Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 164..168,
|
|
id: Name("data"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 171..289,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 177..181,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 181..187,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 182..183,
|
|
id: Name("A"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 185..186,
|
|
id: Name("B"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
FunctionDef(
|
|
StmtFunctionDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 193..225,
|
|
is_async: false,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("__init__"),
|
|
range: 197..205,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
parameters: Parameters {
|
|
range: 205..211,
|
|
node_index: AtomicNodeIndex(
|
|
0,
|
|
),
|
|
posonlyargs: [],
|
|
args: [
|
|
ParameterWithDefault {
|
|
range: 206..210,
|
|
node_index: AtomicNodeIndex(..),
|
|
parameter: Parameter {
|
|
range: 206..210,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("self"),
|
|
range: 206..210,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
annotation: None,
|
|
},
|
|
default: None,
|
|
},
|
|
],
|
|
vararg: None,
|
|
kwonlyargs: [],
|
|
kwarg: None,
|
|
},
|
|
returns: None,
|
|
body: [
|
|
Pass(
|
|
StmtPass {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 221..225,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
FunctionDef(
|
|
StmtFunctionDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 231..289,
|
|
is_async: false,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("method_with_default"),
|
|
range: 235..254,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: None,
|
|
parameters: Parameters {
|
|
range: 254..275,
|
|
node_index: AtomicNodeIndex(
|
|
0,
|
|
),
|
|
posonlyargs: [],
|
|
args: [
|
|
ParameterWithDefault {
|
|
range: 255..259,
|
|
node_index: AtomicNodeIndex(..),
|
|
parameter: Parameter {
|
|
range: 255..259,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("self"),
|
|
range: 255..259,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
annotation: None,
|
|
},
|
|
default: None,
|
|
},
|
|
ParameterWithDefault {
|
|
range: 261..274,
|
|
node_index: AtomicNodeIndex(..),
|
|
parameter: Parameter {
|
|
range: 261..264,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("arg"),
|
|
range: 261..264,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
annotation: None,
|
|
},
|
|
default: Some(
|
|
StringLiteral(
|
|
ExprStringLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 265..274,
|
|
value: StringLiteralValue {
|
|
inner: Single(
|
|
StringLiteral {
|
|
range: 265..274,
|
|
node_index: AtomicNodeIndex(..),
|
|
value: "default",
|
|
flags: StringLiteralFlags {
|
|
quote_style: Single,
|
|
prefix: Empty,
|
|
triple_quoted: false,
|
|
},
|
|
},
|
|
),
|
|
},
|
|
},
|
|
),
|
|
),
|
|
},
|
|
],
|
|
vararg: None,
|
|
kwonlyargs: [],
|
|
kwarg: None,
|
|
},
|
|
returns: None,
|
|
body: [
|
|
Pass(
|
|
StmtPass {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 285..289,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 331..351,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 337..341,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: Some(
|
|
TypeParams {
|
|
range: 341..344,
|
|
node_index: AtomicNodeIndex(..),
|
|
type_params: [
|
|
TypeVar(
|
|
TypeParamTypeVar {
|
|
range: 342..343,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("T"),
|
|
range: 342..343,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
bound: None,
|
|
default: None,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 344..346,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
Expr(
|
|
StmtExpr {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 348..351,
|
|
value: EllipsisLiteral(
|
|
ExprEllipsisLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 348..351,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 376..402,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 382..386,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: Some(
|
|
TypeParams {
|
|
range: 386..395,
|
|
node_index: AtomicNodeIndex(..),
|
|
type_params: [
|
|
TypeVar(
|
|
TypeParamTypeVar {
|
|
range: 387..394,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("T"),
|
|
range: 387..388,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
bound: None,
|
|
default: Some(
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 391..394,
|
|
id: Name("str"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 395..397,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
Expr(
|
|
StmtExpr {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 399..402,
|
|
value: EllipsisLiteral(
|
|
ExprEllipsisLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 399..402,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 425..450,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 431..435,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: Some(
|
|
TypeParams {
|
|
range: 435..443,
|
|
node_index: AtomicNodeIndex(..),
|
|
type_params: [
|
|
TypeVar(
|
|
TypeParamTypeVar {
|
|
range: 436..442,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("T"),
|
|
range: 436..437,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
bound: Some(
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 439..442,
|
|
id: Name("str"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
),
|
|
default: None,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 443..445,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
Expr(
|
|
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ParamSpec(
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TypeParams {
|
|
range: 941..959,
|
|
node_index: AtomicNodeIndex(..),
|
|
type_params: [
|
|
ParamSpec(
|
|
TypeParamParamSpec {
|
|
range: 942..958,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("P"),
|
|
range: 944..945,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
default: Some(
|
|
List(
|
|
ExprList {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 948..958,
|
|
elts: [
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 949..952,
|
|
id: Name("int"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 954..957,
|
|
id: Name("str"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
],
|
|
ctx: Load,
|
|
},
|
|
),
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 959..961,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
Expr(
|
|
StmtExpr {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 963..966,
|
|
value: EllipsisLiteral(
|
|
ExprEllipsisLiteral {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 963..966,
|
|
},
|
|
),
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
ClassDef(
|
|
StmtClassDef {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 982..1022,
|
|
decorator_list: [],
|
|
name: Identifier {
|
|
id: Name("Test"),
|
|
range: 988..992,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
type_params: Some(
|
|
TypeParams {
|
|
range: 992..1012,
|
|
node_index: AtomicNodeIndex(..),
|
|
type_params: [
|
|
TypeVar(
|
|
TypeParamTypeVar {
|
|
range: 993..994,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("X"),
|
|
range: 993..994,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
bound: None,
|
|
default: None,
|
|
},
|
|
),
|
|
TypeVar(
|
|
TypeParamTypeVar {
|
|
range: 996..1002,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("Y"),
|
|
range: 996..997,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
bound: Some(
|
|
Name(
|
|
ExprName {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 999..1002,
|
|
id: Name("str"),
|
|
ctx: Load,
|
|
},
|
|
),
|
|
),
|
|
default: None,
|
|
},
|
|
),
|
|
TypeVarTuple(
|
|
TypeParamTypeVarTuple {
|
|
range: 1004..1006,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("U"),
|
|
range: 1005..1006,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
default: None,
|
|
},
|
|
),
|
|
ParamSpec(
|
|
TypeParamParamSpec {
|
|
range: 1008..1011,
|
|
node_index: AtomicNodeIndex(..),
|
|
name: Identifier {
|
|
id: Name("P"),
|
|
range: 1010..1011,
|
|
node_index: AtomicNodeIndex(..),
|
|
},
|
|
default: None,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
arguments: Some(
|
|
Arguments {
|
|
range: 1012..1014,
|
|
node_index: AtomicNodeIndex(..),
|
|
args: [],
|
|
keywords: [],
|
|
},
|
|
),
|
|
body: [
|
|
Pass(
|
|
StmtPass {
|
|
node_index: AtomicNodeIndex(..),
|
|
range: 1018..1022,
|
|
},
|
|
),
|
|
],
|
|
},
|
|
),
|
|
],
|
|
},
|
|
)
|
|
```
|