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nora 2022-01-17 08:39:19 +01:00
parent 912fa48b1d
commit ee0ccfcb3b
4 changed files with 13 additions and 9 deletions
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11
src/compile.rs
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@ -16,12 +16,13 @@ use std::rc::Rc;
type CResult<T = ()> = Result<T, CompilerError>;
#[derive(Debug, PartialEq, Eq)]
enum OuterEnvKind {
Block,
Closure,
}
#[derive(Debug, Default)]
#[derive(Debug)]
struct Env {
locals: HashMap<Symbol, usize>,
outer: Option<Rc<RefCell<Env>>>,
@ -32,7 +33,7 @@ impl Env {
fn lookup_local(&self, name: &Ident) -> CResult<usize> {
fn lookup_inner(env: &Env, name: &Ident) -> Option<usize> {
env.locals.get(&name.sym).copied().or_else(|| {
// TODO: closure handling 👀
// TODO: closure handling lol 👀
if env.outer_kind == OuterEnvKind::Closure {
return None;
}
@ -84,7 +85,11 @@ pub fn compile<'ast, 'bc, 'gc>(
blocks: Vec::new_in(bytecode_bump),
current_block_idx: 0,
bump: bytecode_bump,
env: Rc::new(RefCell::new(Env::default())),
env: Rc::new(RefCell::new(Env {
locals: HashMap::default(),
outer: None,
outer_kind: OuterEnvKind::Block,
})),
rt,
loop_nesting: 0,
breaks: HashMap::default(),