Top level scope

semantic/src/scope.rs

@@ -0,0 +1,21 @@
+use std::{
+    collections::HashMap,
+    sync::{Arc, Mutex},
+};
+
+use crate::top_level;
+
+pub enum Symbol {
+    Function(top_level::FunctionSymbol),
+    TypeSymbol(top_level::TypeSymbol),
+    StructSymbol(top_level::StructSymbol),
+}
+
+pub struct Scope {
+    pub parent: Option<Arc<Scope>>,
+    pub variables: Mutex<HashMap<String, Symbol>>,
+}
+
+impl Scope {
+    pub fn from_top_level() {}
+}