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use crate::nodes::InnerNode;
use crate::nodes::InspectVec;
use crate::source::Range;
/// Represents access to a local variable (i.e. `foo`)
///
/// Parser knows that it's a local variable because:
///     1. there was an assignment to this variable **before** accessing it
///     2. it's an argument of the current method / block
///     3. it's been implicitly declared by `MatchWithLvasgn` node
///
/// Otherwise it's a method call (see `Send`)
#[derive(Debug, Clone, PartialEq)]
pub struct Lvar {
    /// Name of the local variable
    pub name: String,
    /// Location of the local variable
    ///
    /// ```text
    /// foo
    /// ~~~
    /// ```
    pub expression_l: Range,
}


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

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

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

    fn print_with_locs(&self) {
        println!("{}", self.inspect(0));
        self.expression_l.print("expression");
    }
}