mirror of
https://github.com/astral-sh/ruff.git
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9bbf4987e8
This PR implements template strings (t-strings) in the parser and formatter for Ruff. Minimal changes necessary to compile were made in other parts of the code (e.g. ty, the linter, etc.). These will be covered properly in follow-up PRs.
600 lines
20 KiB
TOML
600 lines
20 KiB
TOML
# This file is used by generate.py to autogenerate our Python AST data model.
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#
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# We have defined a Rust struct for each syntax node in `src/nodes.rs`. Many of
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# these nodes belong to groups. For instance, there is a `Stmt` group
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# consisting of all of the syntax nodes that represent valid Python statements.
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#
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# There is a special group named `ungrouped` that contains syntax nodes that do
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# not belong to any group.
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#
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# Each group is defined by two sections below. The `[GROUP]` section defines
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# options that control the auto-generation for that group. The `[GROUP.nodes]`
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# section defines which syntax nodes belong to that group. The name of each
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# entry in the nodes section must match the name of the corresponding Rust
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# struct. The value of each entry defines options that control the
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# auto-generation for that syntax node.
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#
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# The following group options are available:
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#
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# add_suffix_to_is_methods: [true/false]
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# Controls the name of the is_foo methods of the group's enums. If false (the
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# default), these methods will use the variant name in snake_case. If true,
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# then the group prefix will be moved to the end before snake_casing. (That
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# is, `StmtIf` will become `if_stmt`.)
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#
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# anynode_is_label: foo_bar
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# Controls the name of the AnyNodeRef::is_foo_bar method. The default is the
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# group name in snake_case.
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#
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# doc:
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# A doc comment that is added to the group's enums.
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#
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# The following syntax node options are available:
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#
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# doc:
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# A doc comment that is added to the syntax node struct.
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#
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# derives:
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# List of derives to add to the syntax node struct. Clone, Debug, PartialEq are added by default.
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#
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# custom_source_order:
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# A boolean that specifies if this node has a custom source order visitor implementation.
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# generation of visit_source_order will be skipped for this node.
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#
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# fields:
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# List of fields in the syntax node struct. Each field is a table with the
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# following keys:
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# * name - The name of the field.
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# * type - The type of the field. This can be a simple type name, or a type
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# type field uses a special syntax to describe the rust type:
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# * `Expr` - A single expression.
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# * `Expr?` - Option type.
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# * `Expr*` - A vector of Expr.
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# * `&Expr*` - A boxed slice of Expr.
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# These properties cannot be nested, for example we cannot create a vector of option types.
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# * is_annotation - If this field is a type annotation.
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#
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# source_order:
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# Defines in what order the fields appear in source
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#
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# variant:
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# The name of the enum variant for this syntax node. Defaults to the node
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# name with the group prefix removed. (That is, `StmtIf` becomes `If`.)
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[Mod]
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anynode_is_label = "module"
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doc = "See also [mod](https://docs.python.org/3/library/ast.html#ast.mod)"
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[Mod.nodes.ModModule]
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doc = "See also [Module](https://docs.python.org/3/library/ast.html#ast.Module)"
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fields = [{ name = "body", type = "Stmt*" }]
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[Mod.nodes.ModExpression]
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doc = "See also [Module](https://docs.python.org/3/library/ast.html#ast.Module)"
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fields = [{ name = "body", type = "Box<Expr>" }]
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[Stmt]
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add_suffix_to_is_methods = true
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anynode_is_label = "statement"
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doc = "See also [stmt](https://docs.python.org/3/library/ast.html#ast.stmt)"
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[Stmt.nodes.StmtFunctionDef]
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doc = """See also [FunctionDef](https://docs.python.org/3/library/ast.html#ast.FunctionDef)
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and [AsyncFunctionDef](https://docs.python.org/3/library/ast.html#ast.AsyncFunctionDef).
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This type differs from the original Python AST, as it collapses the synchronous and asynchronous variants into a single type."""
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fields = [
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{ name = "is_async", type = "bool" },
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{ name = "decorator_list", type = "Decorator*" },
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{ name = "name", type = "Identifier" },
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{ name = "type_params", type = "Box<crate::TypeParams>?" },
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{ name = "parameters", type = "Box<crate::Parameters>" },
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{ name = "returns", type = "Expr?", is_annotation = true },
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{ name = "body", type = "Stmt*" },
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]
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[Stmt.nodes.StmtClassDef]
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doc = "See also [ClassDef](https://docs.python.org/3/library/ast.html#ast.ClassDef)"
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fields = [
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{ name = "decorator_list", type = "Decorator*" },
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{ name = "name", type = "Identifier" },
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{ name = "type_params", type = "Box<crate::TypeParams>?" },
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{ name = "arguments", type = "Box<crate::Arguments>?" },
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{ name = "body", type = "Stmt*" },
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]
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[Stmt.nodes.StmtReturn]
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doc = "See also [Return](https://docs.python.org/3/library/ast.html#ast.Return)"
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fields = [{ name = "value", type = "Expr?" }]
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[Stmt.nodes.StmtDelete]
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doc = "See also [Delete](https://docs.python.org/3/library/ast.html#ast.Delete)"
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fields = [{ name = "targets", type = "Expr*" }]
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[Stmt.nodes.StmtTypeAlias]
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doc = "See also [TypeAlias](https://docs.python.org/3/library/ast.html#ast.TypeAlias)"
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fields = [
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{ name = "name", type = "Expr" },
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{ name = "type_params", type = "Box<crate::TypeParams>?" },
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{ name = "value", type = "Expr" },
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]
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[Stmt.nodes.StmtAssign]
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doc = "See also [Assign](https://docs.python.org/3/library/ast.html#ast.Assign)"
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fields = [
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{ name = "targets", type = "Expr*" },
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{ name = "value", type = "Expr" },
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]
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[Stmt.nodes.StmtAugAssign]
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doc = "See also [AugAssign](https://docs.python.org/3/library/ast.html#ast.AugAssign)"
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fields = [
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{ name = "target", type = "Expr" },
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{ name = "op", type = "Operator" },
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{ name = "value", type = "Expr" },
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]
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[Stmt.nodes.StmtAnnAssign]
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doc = "See also [AnnAssign](https://docs.python.org/3/library/ast.html#ast.AnnAssign)"
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fields = [
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{ name = "target", type = "Expr" },
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{ name = "annotation", type = "Expr", is_annotation = true },
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{ name = "value", type = "Expr?" },
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{ name = "simple", type = "bool" },
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]
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[Stmt.nodes.StmtFor]
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doc = """See also [For](https://docs.python.org/3/library/ast.html#ast.For)
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and [AsyncFor](https://docs.python.org/3/library/ast.html#ast.AsyncFor).
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This type differs from the original Python AST, as it collapses the synchronous and asynchronous variants into a single type."""
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fields = [
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{ name = "is_async", type = "bool" },
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{ name = "target", type = "Expr" },
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{ name = "iter", type = "Expr" },
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{ name = "body", type = "Stmt*" },
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{ name = "orelse", type = "Stmt*" },
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]
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[Stmt.nodes.StmtWhile]
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doc = """See also [While](https://docs.python.org/3/library/ast.html#ast.While)
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and [AsyncWhile](https://docs.python.org/3/library/ast.html#ast.AsyncWhile)."""
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fields = [
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{ name = "test", type = "Expr" },
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{ name = "body", type = "Stmt*" },
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{ name = "orelse", type = "Stmt*" },
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]
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[Stmt.nodes.StmtIf]
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doc = "See also [If](https://docs.python.org/3/library/ast.html#ast.If)"
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fields = [
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{ name = "test", type = "Expr" },
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{ name = "body", type = "Stmt*" },
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{ name = "elif_else_clauses", type = "ElifElseClause*" },
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]
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[Stmt.nodes.StmtWith]
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doc = """See also [With](https://docs.python.org/3/library/ast.html#ast.With)
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and [AsyncWith](https://docs.python.org/3/library/ast.html#ast.AsyncWith).
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This type differs from the original Python AST, as it collapses the synchronous and asynchronous variants into a single type."""
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fields = [
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{ name = "is_async", type = "bool" },
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{ name = "items", type = "WithItem*" },
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{ name = "body", type = "Stmt*" },
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]
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[Stmt.nodes.StmtMatch]
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doc = "See also [Match](https://docs.python.org/3/library/ast.html#ast.Match)"
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fields = [
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{ name = "subject", type = "Expr" },
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{ name = "cases", type = "MatchCase*" },
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]
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[Stmt.nodes.StmtRaise]
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doc = "See also [Raise](https://docs.python.org/3/library/ast.html#ast.Raise)"
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fields = [{ name = "exc", type = "Expr?" }, { name = "cause", type = "Expr?" }]
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[Stmt.nodes.StmtTry]
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doc = """See also [Try](https://docs.python.org/3/library/ast.html#ast.Try)
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and [TryStar](https://docs.python.org/3/library/ast.html#ast.TryStar)"""
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fields = [
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{ name = "body", type = "Stmt*" },
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{ name = "handlers", type = "ExceptHandler*" },
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{ name = "orelse", type = "Stmt*" },
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{ name = "finalbody", type = "Stmt*" },
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{ name = "is_star", type = "bool" },
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]
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[Stmt.nodes.StmtAssert]
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doc = "See also [Assert](https://docs.python.org/3/library/ast.html#ast.Assert)"
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fields = [{ name = "test", type = "Expr" }, { name = "msg", type = "Expr?" }]
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[Stmt.nodes.StmtImport]
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doc = "See also [Import](https://docs.python.org/3/library/ast.html#ast.Import)"
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fields = [{ name = "names", type = "Alias*" }]
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[Stmt.nodes.StmtImportFrom]
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doc = "See also [ImportFrom](https://docs.python.org/3/library/ast.html#ast.ImportFrom)"
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fields = [
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{ name = "module", type = "Identifier?" },
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{ name = "names", type = "Alias*" },
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{ name = "level", type = "u32" },
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]
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[Stmt.nodes.StmtGlobal]
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doc = "See also [Global](https://docs.python.org/3/library/ast.html#ast.Global)"
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fields = [{ name = "names", type = "Identifier*" }]
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[Stmt.nodes.StmtNonlocal]
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doc = "See also [Nonlocal](https://docs.python.org/3/library/ast.html#ast.Nonlocal)"
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fields = [{ name = "names", type = "Identifier*" }]
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[Stmt.nodes.StmtExpr]
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doc = "See also [Expr](https://docs.python.org/3/library/ast.html#ast.Expr)"
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fields = [{ name = "value", type = "Expr" }]
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[Stmt.nodes.StmtPass]
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doc = "See also [Pass](https://docs.python.org/3/library/ast.html#ast.Pass)"
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fields = []
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[Stmt.nodes.StmtBreak]
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doc = "See also [Break](https://docs.python.org/3/library/ast.html#ast.Break)"
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fields = []
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[Stmt.nodes.StmtContinue]
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doc = "See also [Continue](https://docs.python.org/3/library/ast.html#ast.Continue)"
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fields = []
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[Stmt.nodes.StmtIpyEscapeCommand]
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# TODO: remove crate:: prefix from IpyEscapeKind after it's auto generated
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doc = """An AST node used to represent a IPython escape command at the statement level.
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For example,
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```python
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%matplotlib inline
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```
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## Terminology
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Escape commands are special IPython syntax which starts with a token to identify
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the escape kind followed by the command value itself. [Escape kind] are the kind
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of escape commands that are recognized by the token: `%`, `%%`, `!`, `!!`,
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`?`, `??`, `/`, `;`, and `,`.
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Help command (or Dynamic Object Introspection as it's called) are the escape commands
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of the kind `?` and `??`. For example, `?str.replace`. Help end command are a subset
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of Help command where the token can be at the end of the line i.e., after the value.
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For example, `str.replace?`.
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Here's where things get tricky. I'll divide the help end command into two types for
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better understanding:
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1. Strict version: The token is _only_ at the end of the line. For example,
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`str.replace?` or `str.replace??`.
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2. Combined version: Along with the `?` or `??` token, which are at the end of the
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line, there are other escape kind tokens that are present at the start as well.
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For example, `%matplotlib?` or `%%timeit?`.
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Priority comes into picture for the "Combined version" mentioned above. How do
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we determine the escape kind if there are tokens on both side of the value, i.e., which
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token to choose? The Help end command always takes priority over any other token which
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means that if there is `?`/`??` at the end then that is used to determine the kind.
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For example, in `%matplotlib?` the escape kind is determined using the `?` token
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instead of `%` token.
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## Syntax
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`<IpyEscapeKind><Command value>`
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The simplest form is an escape kind token followed by the command value. For example,
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`%matplotlib inline`, `/foo`, `!pwd`, etc.
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`<Command value><IpyEscapeKind ("?" or "??")>`
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The help end escape command would be the reverse of the above syntax. Here, the
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escape kind token can only be either `?` or `??` and it is at the end of the line.
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For example, `str.replace?`, `math.pi??`, etc.
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`<IpyEscapeKind><Command value><EscapeKind ("?" or "??")>`
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The final syntax is the combined version of the above two. For example, `%matplotlib?`,
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`%%timeit??`, etc.
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[Escape kind]: crate::IpyEscapeKind
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"""
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fields = [
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{ name = "kind", type = "IpyEscapeKind" },
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{ name = "value", type = "Box<str>" },
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]
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[Expr]
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add_suffix_to_is_methods = true
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anynode_is_label = "expression"
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doc = "See also [expr](https://docs.python.org/3/library/ast.html#ast.expr)"
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[Expr.nodes.ExprBoolOp]
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doc = "See also [BoolOp](https://docs.python.org/3/library/ast.html#ast.BoolOp)"
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fields = [{ name = "op", type = "BoolOp" }, { name = "values", type = "Expr*" }]
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custom_source_order = true
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[Expr.nodes.ExprNamed]
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doc = "See also [NamedExpr](https://docs.python.org/3/library/ast.html#ast.NamedExpr)"
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fields = [{ name = "target", type = "Expr" }, { name = "value", type = "Expr" }]
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[Expr.nodes.ExprBinOp]
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doc = "See also [BinOp](https://docs.python.org/3/library/ast.html#ast.BinOp)"
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fields = [
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{ name = "left", type = "Expr" },
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{ name = "op", type = "Operator" },
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{ name = "right", type = "Expr" },
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]
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[Expr.nodes.ExprUnaryOp]
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doc = "See also [UnaryOp](https://docs.python.org/3/library/ast.html#ast.UnaryOp)"
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fields = [
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{ name = "op", type = "UnaryOp" },
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{ name = "operand", type = "Expr" },
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]
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[Expr.nodes.ExprLambda]
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doc = "See also [Lambda](https://docs.python.org/3/library/ast.html#ast.Lambda)"
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fields = [
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{ name = "parameters", type = "Box<crate::Parameters>?" },
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{ name = "body", type = "Expr" },
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]
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[Expr.nodes.ExprIf]
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doc = "See also [IfExp](https://docs.python.org/3/library/ast.html#ast.IfExp)"
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fields = [
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{ name = "test", type = "Expr" },
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{ name = "body", type = "Expr" },
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{ name = "orelse", type = "Expr" },
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]
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source_order = ["body", "test", "orelse"]
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[Expr.nodes.ExprDict]
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doc = "See also [Dict](https://docs.python.org/3/library/ast.html#ast.Dict)"
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fields = [{ name = "items", type = "DictItem*" }]
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custom_source_order = true
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[Expr.nodes.ExprSet]
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doc = "See also [Set](https://docs.python.org/3/library/ast.html#ast.Set)"
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fields = [{ name = "elts", type = "Expr*" }]
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[Expr.nodes.ExprListComp]
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doc = "See also [ListComp](https://docs.python.org/3/library/ast.html#ast.ListComp)"
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fields = [
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{ name = "elt", type = "Expr" },
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{ name = "generators", type = "Comprehension*" },
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]
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[Expr.nodes.ExprSetComp]
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doc = "See also [SetComp](https://docs.python.org/3/library/ast.html#ast.SetComp)"
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fields = [
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{ name = "elt", type = "Expr" },
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{ name = "generators", type = "Comprehension*" },
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]
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[Expr.nodes.ExprDictComp]
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doc = "See also [DictComp](https://docs.python.org/3/library/ast.html#ast.DictComp)"
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fields = [
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{ name = "key", type = "Expr" },
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{ name = "value", type = "Expr" },
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{ name = "generators", type = "Comprehension*" },
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]
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[Expr.nodes.ExprGenerator]
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doc = "See also [GeneratorExp](https://docs.python.org/3/library/ast.html#ast.GeneratorExp)"
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fields = [
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{ name = "elt", type = "Expr" },
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{ name = "generators", type = "Comprehension*" },
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{ name = "parenthesized", type = "bool" },
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]
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[Expr.nodes.ExprAwait]
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doc = "See also [Await](https://docs.python.org/3/library/ast.html#ast.Await)"
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fields = [{ name = "value", type = "Expr" }]
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[Expr.nodes.ExprYield]
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doc = "See also [Yield](https://docs.python.org/3/library/ast.html#ast.Yield)"
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fields = [{ name = "value", type = "Expr?" }]
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[Expr.nodes.ExprYieldFrom]
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doc = "See also [YieldFrom](https://docs.python.org/3/library/ast.html#ast.YieldFrom)"
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fields = [{ name = "value", type = "Expr" }]
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[Expr.nodes.ExprCompare]
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doc = "See also [Compare](https://docs.python.org/3/library/ast.html#ast.Compare)"
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fields = [
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{ name = "left", type = "Expr" },
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{ name = "ops", type = "&CmpOp*" },
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{ name = "comparators", type = "&Expr*" },
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]
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# The fields must be visited simultaneously
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custom_source_order = true
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[Expr.nodes.ExprCall]
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doc = "See also [Call](https://docs.python.org/3/library/ast.html#ast.Call)"
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fields = [
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{ name = "func", type = "Expr" },
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{ name = "arguments", type = "Arguments" },
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]
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[Expr.nodes.ExprFString]
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doc = """An AST node that represents either a single-part f-string literal
|
|
or an implicitly concatenated f-string literal.
|
|
|
|
This type differs from the original Python AST `JoinedStr` in that it
|
|
doesn't join the implicitly concatenated parts into a single string. Instead,
|
|
it keeps them separate and provide various methods to access the parts.
|
|
|
|
See also [JoinedStr](https://docs.python.org/3/library/ast.html#ast.JoinedStr)"""
|
|
fields = [{ name = "value", type = "FStringValue" }]
|
|
custom_source_order = true
|
|
|
|
[Expr.nodes.ExprTString]
|
|
doc = """An AST node that represents either a single-part t-string literal
|
|
or an implicitly concatenated t-string literal.
|
|
|
|
This type differs from the original Python AST `TemplateStr` in that it
|
|
doesn't join the implicitly concatenated parts into a single string. Instead,
|
|
it keeps them separate and provide various methods to access the parts.
|
|
|
|
See also [TemplateStr](https://docs.python.org/3/library/ast.html#ast.TemplateStr)"""
|
|
fields = [{ name = "value", type = "TStringValue" }]
|
|
custom_source_order = true
|
|
|
|
[Expr.nodes.ExprStringLiteral]
|
|
doc = """An AST node that represents either a single-part string literal
|
|
or an implicitly concatenated string literal."""
|
|
fields = [{ name = "value", type = "StringLiteralValue" }]
|
|
# Because StringLiteralValue type is an iterator and it's not clear from the type
|
|
custom_source_order = true
|
|
|
|
[Expr.nodes.ExprBytesLiteral]
|
|
doc = """An AST node that represents either a single-part bytestring literal
|
|
or an implicitly concatenated bytestring literal."""
|
|
fields = [{ name = "value", type = "BytesLiteralValue" }]
|
|
# Because BytesLiteralValue type is an iterator and it's not clear from the type
|
|
custom_source_order = true
|
|
|
|
[Expr.nodes.ExprNumberLiteral]
|
|
fields = [{ name = "value", type = "Number" }]
|
|
|
|
[Expr.nodes.ExprBooleanLiteral]
|
|
fields = [{ name = "value", type = "bool" }]
|
|
derives = ["Default"]
|
|
|
|
[Expr.nodes.ExprNoneLiteral]
|
|
fields = []
|
|
derives = ["Default"]
|
|
|
|
[Expr.nodes.ExprEllipsisLiteral]
|
|
fields = []
|
|
derives = ["Default"]
|
|
|
|
[Expr.nodes.ExprAttribute]
|
|
doc = "See also [Attribute](https://docs.python.org/3/library/ast.html#ast.Attribute)"
|
|
fields = [
|
|
{ name = "value", type = "Expr" },
|
|
{ name = "attr", type = "Identifier" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
]
|
|
|
|
[Expr.nodes.ExprSubscript]
|
|
doc = "See also [Subscript](https://docs.python.org/3/library/ast.html#ast.Subscript)"
|
|
fields = [
|
|
{ name = "value", type = "Expr" },
|
|
{ name = "slice", type = "Expr" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
]
|
|
|
|
[Expr.nodes.ExprStarred]
|
|
doc = "See also [Starred](https://docs.python.org/3/library/ast.html#ast.Starred)"
|
|
fields = [
|
|
{ name = "value", type = "Expr" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
]
|
|
|
|
[Expr.nodes.ExprName]
|
|
doc = "See also [Name](https://docs.python.org/3/library/ast.html#ast.Name)"
|
|
fields = [
|
|
{ name = "id", type = "Name" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
]
|
|
|
|
[Expr.nodes.ExprList]
|
|
doc = "See also [List](https://docs.python.org/3/library/ast.html#ast.List)"
|
|
fields = [
|
|
{ name = "elts", type = "Expr*" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
]
|
|
|
|
[Expr.nodes.ExprTuple]
|
|
doc = "See also [Tuple](https://docs.python.org/3/library/ast.html#ast.Tuple)"
|
|
fields = [
|
|
{ name = "elts", type = "Expr*" },
|
|
{ name = "ctx", type = "ExprContext" },
|
|
{ name = "parenthesized", type = "bool" },
|
|
]
|
|
|
|
[Expr.nodes.ExprSlice]
|
|
doc = "See also [Slice](https://docs.python.org/3/library/ast.html#ast.Slice)"
|
|
fields = [
|
|
{ name = "lower", type = "Expr?" },
|
|
{ name = "upper", type = "Expr?" },
|
|
{ name = "step", type = "Expr?" },
|
|
]
|
|
|
|
[Expr.nodes.ExprIpyEscapeCommand]
|
|
doc = """An AST node used to represent a IPython escape command at the expression level.
|
|
|
|
For example,
|
|
```python
|
|
dir = !pwd
|
|
```
|
|
|
|
Here, the escape kind can only be `!` or `%` otherwise it is a syntax error.
|
|
|
|
For more information related to terminology and syntax of escape commands,
|
|
see [`StmtIpyEscapeCommand`]."""
|
|
|
|
fields = [
|
|
{ name = "kind", type = "IpyEscapeKind" },
|
|
{ name = "value", type = "Box<str>" },
|
|
]
|
|
|
|
[ExceptHandler]
|
|
doc = "See also [excepthandler](https://docs.python.org/3/library/ast.html#ast.excepthandler)"
|
|
|
|
[ExceptHandler.nodes]
|
|
ExceptHandlerExceptHandler = {}
|
|
|
|
[InterpolatedStringElement.nodes]
|
|
InterpolatedElement = { variant = "Interpolation" }
|
|
InterpolatedStringLiteralElement = { variant = "Literal" }
|
|
|
|
|
|
[Pattern]
|
|
doc = "See also [pattern](https://docs.python.org/3/library/ast.html#ast.pattern)"
|
|
|
|
[Pattern.nodes]
|
|
PatternMatchValue = {}
|
|
PatternMatchSingleton = {}
|
|
PatternMatchSequence = {}
|
|
PatternMatchMapping = {}
|
|
PatternMatchClass = {}
|
|
PatternMatchStar = {}
|
|
PatternMatchAs = {}
|
|
PatternMatchOr = {}
|
|
|
|
[TypeParam]
|
|
doc = "See also [type_param](https://docs.python.org/3/library/ast.html#ast.type_param)"
|
|
|
|
[TypeParam.nodes]
|
|
TypeParamTypeVar = {}
|
|
TypeParamTypeVarTuple = {}
|
|
TypeParamParamSpec = {}
|
|
|
|
[ungrouped.nodes]
|
|
InterpolatedStringFormatSpec = {}
|
|
PatternArguments = {}
|
|
PatternKeyword = {}
|
|
Comprehension = {}
|
|
Arguments = {}
|
|
Parameters = {}
|
|
Parameter = {}
|
|
ParameterWithDefault = {}
|
|
Keyword = {}
|
|
Alias = {}
|
|
WithItem = {}
|
|
MatchCase = {}
|
|
Decorator = {}
|
|
ElifElseClause = {}
|
|
TypeParams = {}
|
|
FString = {}
|
|
TString = {}
|
|
StringLiteral = {}
|
|
BytesLiteral = {}
|
|
Identifier = {}
|