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use crate::nodes::InnerNode;
use crate::nodes::InspectVec;
use crate::source::Range;
use crate::Node;
/// Represents a method call (e.g. `foo.bar(42)`)
#[derive(Debug, Clone, PartialEq)]
pub struct Send {
    /// Receiver of the method call
    ///
    /// `None` for implicit method call (e.g. `foo(42)`)
    pub recv: Option<Box<Node>>,
    /// Name of the method that is called
    pub method_name: String,
    /// A list of arguments
    pub args: Vec<Node>,
    /// Location of the `.` operator
    ///
    /// ```text
    /// foo.bar(42)
    ///    ~
    /// ```
    ///
    /// `None` for implicit method call (e.g. `foo(42)`)
    pub dot_l: Option<Range>,
    /// Location of the method name
    ///
    /// ```text
    /// foo.bar(42)
    ///     ~~~
    /// ```
    ///
    /// `None` in a very special case when method call is implicit (i.e. `foo.(42)`)
    pub selector_l: Option<Range>,
    /// Location of open parenthesis
    ///
    /// ```text
    /// foo(42)
    ///    ~
    /// ```
    ///
    /// `None` if there are parentheses
    pub begin_l: Option<Range>,
    /// Location of closing parenthesis
    ///
    /// ```text
    /// foo(42)
    ///       ~
    /// ```
    ///
    /// `None` if there are parentheses
    pub end_l: Option<Range>,
    /// Location of the operator if method is a setter
    ///
    /// ```text
    /// foo.bar = 42
    ///         ~
    /// ```
    ///
    /// `None` otherwise
    pub operator_l: Option<Range>,
    /// Location of the full expression
    ///
    /// ```text
    /// foo.bar(42)
    /// ~~~~~~~~~~~
    /// ```
    pub expression_l: Range,
}


impl InnerNode for Send {
    fn expression(&self) -> &Range {
        &self.expression_l
    }

    fn inspected_children(&self, indent: usize) -> Vec<String> {
        let mut result = InspectVec::new(indent);
        result.push_maybe_node_or_nil(&self.recv);
        result.push_str(&self.method_name);
        result.push_nodes(&self.args);
        result.strings()
    }

    fn str_type(&self) -> &'static str {
        "send"
    }

    fn print_with_locs(&self) {
        println!("{}", self.inspect(0));
        self.expression_l.print("expression");
        if let Some(range) = &self.operator_l {
            range.print("operator");
        }
        if let Some(range) = &self.end_l {
            range.print("end");
        }
        if let Some(range) = &self.begin_l {
            range.print("begin");
        }
        if let Some(range) = &self.selector_l {
            range.print("selector");
        }
        if let Some(range) = &self.dot_l {
            range.print("dot");
        }
        for node in self.args.iter() {
            node.inner().print_with_locs();
        }
        if let Some(node) = &self.recv {
            node.inner().print_with_locs();
        }
    }
}