mirror of https://github.com/astral-sh/ruff
57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
use ruff_python_ast as ast;
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use ruff_python_ast::{Expr, Operator, StmtExpr};
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use crate::comments::SourceComment;
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use crate::expression::maybe_parenthesize_expression;
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use crate::expression::parentheses::Parenthesize;
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use crate::statement::trailing_semicolon;
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use crate::{has_skip_comment, prelude::*};
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#[derive(Default)]
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pub struct FormatStmtExpr;
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impl FormatNodeRule<StmtExpr> for FormatStmtExpr {
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fn fmt_fields(&self, item: &StmtExpr, f: &mut PyFormatter) -> FormatResult<()> {
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let StmtExpr { value, .. } = item;
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if is_arithmetic_like(value) {
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maybe_parenthesize_expression(value, item, Parenthesize::Optional).fmt(f)?;
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} else {
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value.format().fmt(f)?;
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}
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if f.options().source_type().is_ipynb()
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&& f.context().node_level().is_last_top_level_statement()
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&& trailing_semicolon(item.into(), f.context().source()).is_some()
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{
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token(";").fmt(f)?;
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}
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Ok(())
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}
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fn is_suppressed(
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&self,
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trailing_comments: &[SourceComment],
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context: &PyFormatContext,
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) -> bool {
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has_skip_comment(trailing_comments, context.source())
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}
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}
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const fn is_arithmetic_like(expression: &Expr) -> bool {
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matches!(
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expression,
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Expr::BinOp(ast::ExprBinOp {
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op: Operator::BitOr
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| Operator::BitXor
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| Operator::LShift
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| Operator::RShift
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| Operator::Add
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| Operator::Sub,
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..
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})
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)
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}
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