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## Summary Based on the discussion in https://github.com/astral-sh/ruff/pull/17298#discussion_r2033975460, we decided to move the scope handling out of the `SemanticSyntaxChecker` and into the `SemanticSyntaxContext` trait. This PR implements that refactor by: - Reverting all of the `Checkpoint` and `in_async_context` code in the `SemanticSyntaxChecker` - Adding four new methods to the `SemanticSyntaxContext` trait - `in_async_context`: matches `SemanticModel::in_async_context` and only detects the nearest enclosing function - `in_sync_comprehension`: uses the new `is_async` tracking on `Generator` scopes to detect any enclosing sync comprehension - `in_module_scope`: reports whether we're at the top-level scope - `in_notebook`: reports whether we're in a Jupyter notebook - In-lining the `TestContext` directly into the `SemanticSyntaxCheckerVisitor` - This allows modifying the context as the visitor traverses the AST, which wasn't possible before One potential question here is "why not add a single method returning a `Scope` or `Scopes` to the context?" The main reason is that the `Scope` type is defined in the `ruff_python_semantic` crate, which is not currently a dependency of the parser. It also doesn't appear to be used in red-knot. So it seemed best to use these more granular methods instead of trying to access `Scope` in `ruff_python_parser` (and red-knot). ## Test Plan Existing parser and linter tests. |
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| .. | ||
| analyze | ||
| cfg | ||
| model | ||
| binding.rs | ||
| branches.rs | ||
| context.rs | ||
| definition.rs | ||
| globals.rs | ||
| imports.rs | ||
| lib.rs | ||
| model.rs | ||
| nodes.rs | ||
| reference.rs | ||
| scope.rs | ||
| star_import.rs | ||