Move {AnyNodeRef, AstNode} to ruff_python_ast crate root (#8030)

This is a do-over of https://github.com/astral-sh/ruff/pull/8011, which
I accidentally merged into a non-`main` branch. Sorry!

crates/ruff_python_ast/src/expression.rs

@@ -1,6 +1,6 @@
 use ruff_text_size::{Ranged, TextRange};
 
-use crate::node::AnyNodeRef;
+use crate::AnyNodeRef;
 use crate::{self as ast, Expr};
 
 /// Unowned pendant to [`ast::Expr`] that stores a reference instead of a owned value.

crates/ruff_python_ast/src/helpers.rs

@@ -8,9 +8,9 @@ use smallvec::SmallVec;
 use ruff_text_size::{Ranged, TextRange};
 
 use crate::call_path::CallPath;
-use crate::node::AnyNodeRef;
 use crate::parenthesize::parenthesized_range;
 use crate::statement_visitor::{walk_body, walk_stmt, StatementVisitor};
+use crate::AnyNodeRef;
 use crate::{
     self as ast, Arguments, CmpOp, Constant, ExceptHandler, Expr, MatchCase, Pattern, Stmt,
     TypeParam,

crates/ruff_python_ast/src/lib.rs

@@ -2,6 +2,7 @@ use std::path::Path;
 
 pub use expression::*;
 pub use int::*;
+pub use node::{AnyNode, AnyNodeRef, AstNode, NodeKind};
 pub use nodes::*;
 
 pub mod all;
@@ -14,7 +15,7 @@ pub mod helpers;
 pub mod identifier;
 pub mod imports;
 mod int;
-pub mod node;
+mod node;
 mod nodes;
 pub mod parenthesize;
 pub mod relocate;

crates/ruff_python_ast/src/parenthesize.rs

@@ -1,7 +1,7 @@
 use ruff_python_trivia::{BackwardsTokenizer, CommentRanges, SimpleTokenKind, SimpleTokenizer};
 use ruff_text_size::{Ranged, TextLen, TextRange};
 
-use crate::node::AnyNodeRef;
+use crate::AnyNodeRef;
 use crate::ExpressionRef;
 
 /// Returns the [`TextRange`] of a given expression including parentheses, if the expression is

crates/ruff_python_ast/src/visitor/preorder.rs

@@ -1,10 +1,10 @@
-use crate::node::{AnyNodeRef, AstNode};
 use crate::{
     Alias, Arguments, BoolOp, CmpOp, Comprehension, Constant, Decorator, ElifElseClause,
     ExceptHandler, Expr, Keyword, MatchCase, Mod, Operator, Parameter, ParameterWithDefault,
     Parameters, Pattern, PatternArguments, PatternKeyword, Stmt, TypeParam, TypeParams, UnaryOp,
     WithItem,
 };
+use crate::{AnyNodeRef, AstNode};
 
 /// Visitor that traverses all nodes recursively in pre-order.
 pub trait PreorderVisitor<'a> {

crates/ruff_python_ast/tests/preorder.rs

@@ -2,12 +2,12 @@ use std::fmt::{Debug, Write};
 
 use insta::assert_snapshot;
 
-use ruff_python_ast::node::AnyNodeRef;
 use ruff_python_ast::visitor::preorder::{
     walk_alias, walk_comprehension, walk_except_handler, walk_expr, walk_keyword, walk_match_case,
     walk_module, walk_parameter, walk_parameters, walk_pattern, walk_stmt, walk_type_param,
     walk_with_item, PreorderVisitor,
 };
+use ruff_python_ast::AnyNodeRef;
 use ruff_python_ast::{
     Alias, BoolOp, CmpOp, Comprehension, Constant, ExceptHandler, Expr, Keyword, MatchCase, Mod,
     Operator, Parameter, Parameters, Pattern, Stmt, TypeParam, UnaryOp, WithItem,

crates/ruff_python_ast/tests/visitor.rs

@@ -5,12 +5,12 @@ use ruff_python_ast as ast;
 use ruff_python_parser::lexer::lex;
 use ruff_python_parser::{parse_tokens, Mode};
 
-use ruff_python_ast::node::AnyNodeRef;
 use ruff_python_ast::visitor::{
     walk_alias, walk_comprehension, walk_except_handler, walk_expr, walk_keyword, walk_match_case,
     walk_parameter, walk_parameters, walk_pattern, walk_stmt, walk_type_param, walk_with_item,
     Visitor,
 };
+use ruff_python_ast::AnyNodeRef;
 use ruff_python_ast::{
     Alias, BoolOp, CmpOp, Comprehension, ExceptHandler, Expr, Keyword, MatchCase, Operator,
     Parameter, Parameters, Pattern, Stmt, TypeParam, UnaryOp, WithItem,