use crate::type_info::TypeInfo;
use dvm_lib::instruction::Location;
use std::fmt::{Display, Formatter};
use std::rc::Rc;

pub struct IrParameter {
    name: Rc<str>,
    type_info: TypeInfo,
    stack_offset: isize,
}

impl IrParameter {
    pub fn new(name: &str, type_info: TypeInfo, stack_offset: isize) -> Self {
        Self {
            name: name.into(),
            type_info,
            stack_offset,
        }
    }

    pub fn type_info(&self) -> &TypeInfo {
        &self.type_info
    }

    pub fn stack_offset(&self) -> isize {
        self.stack_offset
    }

    pub fn as_location(&self) -> Location {
        Location::StackFrameOffset(self.stack_offset)
    }
}

impl Display for IrParameter {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.name)
    }
}