start on the actual execution part

src/lib.rs

@@ -1,4 +1,6 @@
 mod value;
+mod executor;
+mod opcodes;
 
 #[cfg(test)]
 mod tests {

src/opcodes.rs

@@ -0,0 +1,20 @@
+use crate::value::Value;
+
+type StackLocation = usize;
+#[derive(PartialEq, Debug)]
+pub enum OpValue {
+	Literal(Value),
+	Ref(StackLocation)
+}
+
+#[derive(PartialEq, Debug)]
+pub enum OpCode {
+	// Function, arguments
+	Call(OpValue, Option<Vec<OpValue>>),
+	// Return Values
+	Return(Option<Vec<OpValue>>),
+	// Table, index 
+	Index(OpValue, OpValue),
+	// Table, index, value
+	SetIndex(OpValue, OpValue, OpValue),
+}

src/value.rs

@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+use crate::opcodes::OpCode;
 
 #[derive(PartialEq, Debug)]
 pub enum Value {
@@ -10,6 +11,15 @@ pub enum Value {
 	Table {
 		arr: Vec<Value>,
 		map: HashMap<String, Value>,
+	},
+	VmFunction {
+		name: String,
+		args: Vec<String>,
+		func: Vec<OpCode>
+	},
+	NativeFunction {
+		name: String,
+		func: fn(Vec<Value>) -> Option<Vec<Value>>
 	}
 }