pub mod sym;

use crate::{
    syn::ast::Stmt,
    compile::sym::SymStack,
};

pub trait Pass {
    type Out;
    fn pass(&self, ctx: &mut Ctx) -> Self::Out;
}

// * Desugar
// * Collect names as symbols
// * Create basic blocks

pub struct Ctx {
    sym_stack: SymStack,
}

impl Ctx {
    pub fn sym_stack(&self) -> &SymStack {
        &self.sym_stack
    }

    pub fn sym_stack_mut(&mut self) -> &mut SymStack {
        &mut self.sym_stack
    }
}

// no sugar in the syntax quite yet
/*
pub struct Desugar;

impl Pass<Vec<Stmt>> for Desugar {
    type Out = Vec<Stmt>;

    fn pass(&mut self, input: Vec<Stmt>) -> Vec<Stmt> {
        input
    }
}
*/