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use crate::nodes::InnerNode;
use crate::nodes::InspectVec;
use crate::source::Range;
use crate::Node;
/// Represents a here-document literal (both with and without interpolation)
///
/// It's similar to `Dstr` in terms of abstract syntax tree, but has different source maps.
#[derive(Debug, Clone, PartialEq)]
pub struct Heredoc {
/// A list of string parts (static literals and interpolated expressions)
pub parts: Vec<Node>,
/// Location of the here-document body
///
/// ```text
/// <<-HERE\n a\n #{42}\nHERE
/// ~~~~~~~~~~~~~~~
/// ```
pub heredoc_body_l: Range,
/// Location of the here-document end
///
/// ```text
/// <<-HERE\n a\n #{42}\nHERE
/// ~~~~
/// ```
pub heredoc_end_l: Range,
/// Location of the here-document identifier
///
/// ```text
/// <<-HERE\n a\n #{42}\nHERE
/// ~~~~~~~
/// ```
///
/// **Note**: This is the only node (with `XHeredoc`) that has `expression_l` smaller that all other sub-locations merged.
/// The reason for that is that it's possible to add more code after here-document ID:
///
/// ```text
/// <<-HERE + "rest"
/// content
/// HERE
/// ```
pub expression_l: Range,
}
impl InnerNode for Heredoc {
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.parts);
result.strings()
}
fn str_type(&self) -> &'static str {
"dstr"
}
fn print_with_locs(&self) {
println!("{}", self.inspect(0));
self.expression_l.print("expression");
self.heredoc_end_l.print("heredoc_end");
self.heredoc_body_l.print("heredoc_body");
for node in self.parts.iter() {
node.inner_ref().print_with_locs();
}
}
}