diff --git a/src/compiler/mod.rs b/src/compiler/mod.rs
index 722bec1..33cf372 100644
--- a/src/compiler/mod.rs
+++ b/src/compiler/mod.rs
@@ -1,8 +1,7 @@
+use crate::ast::CompilationUnit;
 use crate::parser::{DeimosParser, Rule};
-use crate::vm::lib::DmLib;
-use pest::Parser;
+use crate::module::DmModule;
 
-pub fn compile(src_unit: &str) -> DmLib {
-    let p = DeimosParser::parse(Rule::compilation_unit, src_unit).unwrap();
+pub fn compile(module: &mut DmModule, compilation_unit: CompilationUnit) {
     todo!()
 }
diff --git a/src/lib.rs b/src/lib.rs
index b77c95b..ce83d69 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,3 +4,4 @@ pub mod parser;
 mod util;
 pub mod vm;
 pub mod ast;
+pub mod module;
diff --git a/src/module/mod.rs b/src/module/mod.rs
new file mode 100644
index 0000000..2354a6c
--- /dev/null
+++ b/src/module/mod.rs
@@ -0,0 +1,17 @@
+pub struct DmModule {
+    pub namespace: DmNamespace,
+}
+
+pub enum NamespaceVisibility {
+    Public,
+    Partial {
+        visible_to_fqns: Vec<String>
+    },
+    Private
+}
+
+pub struct DmNamespace {
+    pub name: String,
+    pub dependencies: Vec<String>,
+    pub visibility: NamespaceVisibility
+}