ir start

src/ir/structs/mod.rs

@@ -4,4 +4,39 @@ pub use namespace::*;
 use super::Id;
 
 pub struct Fn {
+    pub body: Body,
 }
+
+pub struct Body {
+    pub statements: Vec<Statement>,
+}
+
+pub struct Statement {
+    ty: StatementTy,
+}
+
+pub enum StatementTy {
+    Define,
+    Assign {
+        target: VarId,
+        ty: TypeId,
+        val: VarId,
+    },
+    Call {
+        target: VarId,
+        args: Vec<VarId>,
+    },
+}
+
+pub struct Var {
+    const_: bool,
+    ty: TypeId,
+}
+
+pub enum Type {
+    Unsigned(u8),
+    Signed(u8),
+}
+
+pub type VarId = u32;
+pub type TypeId = u32;