updated compiler to support multiple frontends and backends

compiler/src/backend/mod.rs

@@ -0,0 +1,13 @@
+use crate::model::{CompilerError, Program};
+
+mod dsa;
+
+pub fn compiler_backend(ext: &str, ast: &Program) -> Result<String, CompilerError> {
+    match ext {
+        "dsa" => Ok(dsa::generate_code(ast)?),
+        _ => Err(CompilerError::Generic(format!(
+            "File type {} not supported",
+            ext
+        ))),
+    }
+}