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use std::collections::HashMap;
use rebel_parse::ast;
use crate::{
func::Func,
typing::{Type, TypeFamily},
value::Value,
};
#[derive(Debug, Default)]
pub struct Context {
pub values: Module,
pub methods: HashMap<TypeFamily, HashMap<&'static str, Func>>,
}
#[derive(Debug, Default)]
pub struct Module(HashMap<String, ModuleEntry>);
impl Module {
pub fn lookup(&self, path: &[ast::Ident<'_>]) -> Option<(&Type, Option<&Value>)> {
let (ident, rest) = path.split_first()?;
match self.0.get(ident.name)? {
ModuleEntry::Module(module) => module.lookup(rest),
ModuleEntry::Def((typ, val)) => {
if rest.is_empty() {
Some((&typ, val.as_ref()))
} else {
None
}
}
}
}
}
#[derive(Debug)]
pub enum ModuleEntry {
Module(Module),
Def((Type, Option<Value>)),
}
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