START OF COMPILER

src/compiler/program.rs

@@ -0,0 +1,53 @@
+use std::collections::HashMap;
+
+pub struct Program {
+    data: Vec<u8>,
+    ro_map: HashMap<String, usize>,
+}
+
+impl Program {
+    pub fn new(data: HashMap<String, Vec<u8>>) -> Self {
+        let mut ro_data = Vec::new();
+        let mut ro_map = HashMap::new();
+        for (key, val) in data {
+            ro_map.insert(key, ro_data.len());
+            ro_data.extend(val);
+        }
+        Self {
+            data: ro_data,
+            ro_map,
+        }
+    }
+}
+
+pub fn create_program<I: Instr>(
+    ro_data: HashMap<String, Vec<u8>>,
+    functions: Vec<Function<I>>,
+) -> Vec<u8> {
+    let mut data = Vec::new();
+    let mut ro_map = HashMap::new();
+    for (key, val) in ro_data {
+        ro_map.insert(key, data.len());
+        data.extend(val);
+    }
+    // let mut fn_map = HashMap::new();
+    for fun in functions {
+        for i in fun.instructions {
+            data.extend(i.to_le_bytes());
+        }
+    }
+    data
+}
+
+pub struct Function<I: Instr> {
+    label: String,
+    instructions: Vec<I>,
+}
+
+pub trait Instr {
+    fn to_le_bytes(&self) -> impl IntoIterator<Item = u8>;
+}
+
+struct SymbolInstr {
+    i: usize
+}