Simple structure

src/lib.rs

@@ -0,0 +1,2 @@
+pub mod parser;
+pub mod runtime;

src/parser/ast.rs

@@ -0,0 +1,21 @@
+pub struct Program {
+    pub functions: Vec<Function>,
+}
+
+pub struct Function {
+    pub name: String,
+    pub params: Vec<String>,
+    pub body: Vec<Instruction>,
+}
+
+pub struct Instruction {
+    pub opcode: String,
+    pub operands: Vec<Operand>,
+}
+
+pub enum Operand {
+    Global(String),
+    Local(String),
+    Number(i64),
+    Pointer(Box<Operand>),
+}

src/parser/mod.rs

@@ -0,0 +1 @@
+pub mod ast;