add vm -_-

src/ir_compiler.rs

@@ -110,6 +110,7 @@ impl<'syms> FnCompiler<'syms> {
                 self.push(Op::Pop);
             }
         }
+        self.push(Op::Return);
         self.fns.push(Fn {
             ops: self.ops,
             data: self.data,

src/main.rs

@@ -11,6 +11,7 @@ mod parser;
 mod sym;
 mod token;
 mod util;
+mod vm;
 
 fn main() {
     println!("Hello, world!");

src/vm.rs

@@ -0,0 +1,26 @@
+use crate::ir::Fn;
+
+enum Value {
+    I32(i32),
+    U32(u32),
+    StaticPtr(u32),
+    Fn(u32),
+}
+
+struct Vm<'a> {
+    fns: &'a Vec<Fn>,
+    call_stack: Vec<(u64, i32)>,
+    value_stack: Vec<Value>,
+}
+
+impl<'a> Vm<'a> {
+    pub fn new(fns: &'a Vec<Fn>) -> Self {
+        Self {
+            fns,
+            call_stack: Vec::new(),
+            value_stack: Vec::new(),
+        }
+    }
+
+    pub fn run(&mut self, entry: u64) {}
+}