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use crate::nodes::InnerNode;
use crate::nodes::InspectVec;
use crate::Loc;
use crate::Node;
#[cfg(feature = "compile-with-external-structures")]
use crate::containers::ExternalList;
#[cfg(feature = "compile-with-external-structures")]
type List<T> = ExternalList<T>;
#[cfg(not(feature = "compile-with-external-structures"))]
type List<T> = Vec<T>;
#[cfg(feature = "compile-with-external-structures")]
use crate::containers::ExternalMaybeLoc;
#[cfg(feature = "compile-with-external-structures")]
type MaybeLoc = ExternalMaybeLoc;
#[cfg(not(feature = "compile-with-external-structures"))]
type MaybeLoc = Option<Loc>;
/// 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)]
#[repr(C)]
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: List<Node>,
/// Location of the open parenthesis
///
/// ```text
/// proc { |(foo, bar)| }
/// ~
/// ```
///
/// `None` if there's only one argument
///
pub begin_l: MaybeLoc,
/// Location of the open parenthesis
///
/// ```text
/// proc { |(foo, bar)| }
/// ~
/// ```
///
/// `None` if there's only one argument
///
pub end_l: MaybeLoc,
/// Location of the full expression
///
/// ```text
/// proc { |(foo, bar)| }
/// ~~~~~~~~~~
/// ```
///
pub expression_l: Loc,
}
impl InnerNode for Procarg0 {
fn expression(&self) -> &Loc {
&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));
for node in self.args.iter() {
node.inner_ref().print_with_locs();
}
self.begin_l.as_ref().map(|loc| loc.print("begin"));
self.end_l.as_ref().map(|loc| loc.print("end"));
self.expression_l.print("expression");
}
}