ruff/crates/ruff_python_formatter/src/statement/stmt_delete.rs

69 lines
2.0 KiB
Rust

use ruff_formatter::write;
use ruff_python_ast::StmtDelete;
use ruff_text_size::Ranged;
use crate::builders::{PyFormatterExtensions, parenthesize_if_expands};
use crate::comments::{SourceComment, dangling_node_comments};
use crate::expression::maybe_parenthesize_expression;
use crate::expression::parentheses::Parenthesize;
use crate::{has_skip_comment, prelude::*};
#[derive(Default)]
pub struct FormatStmtDelete;
impl FormatNodeRule<StmtDelete> for FormatStmtDelete {
fn fmt_fields(&self, item: &StmtDelete, f: &mut PyFormatter) -> FormatResult<()> {
let StmtDelete {
range: _,
node_index: _,
targets,
} = item;
write!(f, [token("del"), space()])?;
match targets.as_slice() {
[] => {
write!(
f,
[
// Handle special case of delete statements without targets.
// ```
// del (
// # Dangling comment
// )
token("("),
block_indent(&dangling_node_comments(item)),
token(")"),
]
)
}
[single] => {
write!(
f,
[maybe_parenthesize_expression(
single,
item,
Parenthesize::IfBreaks
)]
)
}
targets => {
let item = format_with(|f| {
f.join_comma_separated(item.end())
.nodes(targets.iter())
.finish()
});
parenthesize_if_expands(&item).fmt(f)
}
}
}
fn is_suppressed(
&self,
trailing_comments: &[SourceComment],
context: &PyFormatContext,
) -> bool {
has_skip_comment(trailing_comments, context.source())
}
}