actually compiles and does stuff now

src/parser/v3/lower/mod.rs

@@ -1,12 +1,30 @@
+mod asm;
 mod block;
 mod def;
 mod expr;
 mod func;
 mod module;
+mod arch;
 
 use super::*;
-use block::*;
-use def::*;
-use expr::*;
-use func::*;
-use module::*;
+
+pub use func::FnLowerCtx;
+
+pub trait FnLowerable {
+    type Output;
+    fn lower(&self, ctx: &mut FnLowerCtx) -> Option<Self::Output>;
+}
+
+impl<T: FnLowerable> FnLowerable for Node<T> {
+    type Output = T::Output;
+    fn lower(&self, ctx: &mut FnLowerCtx) -> Option<T::Output> {
+        self.as_ref()?.lower(&mut ctx.span(self.span))
+    }
+}
+
+impl<T: FnLowerable> FnLowerable for Box<T> {
+    type Output = T::Output;
+    fn lower(&self, ctx: &mut FnLowerCtx) -> Option<T::Output> {
+        self.as_ref().lower(ctx)
+    }
+}