Work on the symbol table

1 files changed, 42 insertions, 0 deletions

diff --git a/oryxc/src/symtab.rs b/oryxc/src/symtab.rs
new file mode 100644
index 0000000..b65eee0
--- /dev/null
+++ b/oryxc/src/symtab.rs
@@ -0,0 +1,42 @@
+#![allow(dead_code)]
+
+use boxcar;
+use dashmap::DashMap;
+
+use crate::prelude::*;
+
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+pub struct ScopeId(pub u32);
+
+impl ScopeId {
+	pub const GLOBAL: Self = Self(0);
+	pub const INVAL: Self = Self(u32::MAX);
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct Scope {
+	pub parent: ScopeId,
+}
+
+pub struct SymbolVal {}
+
+pub struct SymbolTable {
+	scopes:  boxcar::Vec<Scope>,
+	symbols: DashMap<(ScopeId, SymbolId), SymbolVal>,
+}
+
+impl SymbolTable {
+	pub fn new() -> Self {
+		return Self {
+            /* Initialize with the global scope */
+			scopes:  boxcar::vec![Scope {
+				parent: ScopeId::INVAL,
+			}],
+			symbols: DashMap::new(),
+		};
+	}
+
+    pub fn insert(&self, scope: ScopeId, symbol: SymbolId, value: SymbolVal) {
+        self.symbols.insert((scope, symbol), value);
+    }
+}