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Move find_keyword helpers onto Arguments struct (#6280)

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## Summary

Similar to #6279, moving some helpers onto the struct in the name of
reducing the number of random undiscoverable utilities we have in
`helpers.rs`.

Most of the churn is migrating rules to take `ast::ExprCall` instead of
the spread call arguments.

## Test Plan

`cargo test`
This commit is contained in:
Charlie Marsh 2023-08-02 13:54:48 -04:00 • committed by GitHub
parent 041946fb64
commit fd40864924
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35 changed files with 289 additions and 468 deletions
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23
crates/ruff_python_ast/src/helpers.rs
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@ -9,8 +9,8 @@ use ruff_text_size::TextRange;
use crate::call_path::CallPath;
use crate::statement_visitor::{walk_body, walk_stmt, StatementVisitor};
use crate::{
self as ast, Arguments, Constant, ExceptHandler, Expr, Keyword, MatchCase, Parameters, Pattern,
Ranged, Stmt, TypeParam,
self as ast, Arguments, Constant, ExceptHandler, Expr, MatchCase, Parameters, Pattern, Ranged,
Stmt, TypeParam,
};
/// Return `true` if the `Stmt` is a compound statement (as opposed to a simple statement).
@ -655,17 +655,6 @@ pub fn is_constant_non_singleton(expr: &Expr) -> bool {
is_constant(expr) && !is_singleton(expr)
}
/// Return the [`Keyword`] with the given name, if it's present in the list of
/// [`Keyword`] arguments.
///
/// TODO(charlie): Make this an associated function on [`Arguments`].
pub fn find_keyword<'a>(keywords: &'a [Keyword], keyword_name: &str) -> Option<&'a Keyword> {
keywords.iter().find(|keyword| {
let Keyword { arg, .. } = keyword;
arg.as_ref().is_some_and(|arg| arg == keyword_name)
})
}
/// Return `true` if an [`Expr`] is `None`.
pub const fn is_const_none(expr: &Expr) -> bool {
matches!(
@ -702,14 +691,6 @@ pub const fn is_const_false(expr: &Expr) -> bool {
)
}
/// Return `true` if a keyword argument is present with a non-`None` value.
pub fn has_non_none_keyword(keywords: &[Keyword], keyword: &str) -> bool {
find_keyword(keywords, keyword).is_some_and(|keyword| {
let Keyword { value, .. } = keyword;
!is_const_none(value)
})
}
/// Extract the names of all handled exceptions.
pub fn extract_handled_exceptions(handlers: &[ExceptHandler]) -> Vec<&Expr> {
let mut handled_exceptions = Vec::new();