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use crate::nodes::InnerNode;
use crate::nodes::InspectVec;
use crate::source::Range;
use crate::Node;
/// Represents a sole block argument (e.g. `|foo|`)
///
/// Block that takes a single array argument automatically expands it.
/// Adding trailing comma after block argument disables this behavior (and then the only argument is emitted as `Arg`).
#[derive(Debug, Clone, PartialEq)]
pub struct Procarg0 {
/// Parts of the sole block argument.
///
/// `proc { |(a, b)| }` also counts as a sole argument, so this list may contain:
/// 1. A single `Arg` node (for `proc { |a| }` case)
/// 2. Multiple `Arg` nodes (for `proc { |(a, b, c)| }` case)
pub args: Vec<Node>,
/// Location of the open parenthesis
///
/// ```text
/// proc { |(foo, bar)| }
/// ~
/// ```
///
/// `None` if there's only one argument
pub begin_l: Option<Range>,
/// Location of the open parenthesis
///
/// ```text
/// proc { |(foo, bar)| }
/// ~
/// ```
///
/// `None` if there's only one argument
pub end_l: Option<Range>,
/// Location of the full expression
///
/// ```text
/// proc { |(foo, bar)| }
/// ~~~~~~~~~~
/// ```
pub expression_l: Range,
}
impl InnerNode for Procarg0 {
fn expression(&self) -> &Range {
&self.expression_l
}
fn inspected_children(&self, indent: usize) -> Vec<String> {
let mut result = InspectVec::new(indent);
result.push_nodes(&self.args);
result.strings()
}
fn str_type(&self) -> &'static str {
"procarg0"
}
fn print_with_locs(&self) {
println!("{}", self.inspect(0));
self.expression_l.print("expression");
if let Some(range) = &self.end_l {
range.print("end");
}
if let Some(range) = &self.begin_l {
range.print("begin");
}
for node in self.args.iter() {
node.inner_ref().print_with_locs();
}
}
}