diff --git a/dev/src/idl/mod.rs b/dev/src/idl/mod.rs
index 69b65238..a4299aeb 100644
--- a/dev/src/idl/mod.rs
+++ b/dev/src/idl/mod.rs
@@ -1,3 +1,7 @@
+pub mod protocol;
+
+use std::io::Read;
+
 use logos::Logos;
 
 #[derive(Logos, Debug, PartialEq)]
@@ -7,14 +11,31 @@ enum Token {
     #[token("protocol")]
     Protocol,
 
-    #[token(".")]
-    Period,
+    #[token("{")]
+    LBrace,
 
-    // Or regular expressions.
-    #[regex("[a-zA-Z]+")]
-    Text,
+    #[token("}")]
+    RBrace,
+
+    #[regex("[a-zA-Z]+", |lex|{lex.slice().to_string()})]
+    Text(String),
+
+    #[regex(r#"@[a-zA-Z]+\(?[a-zA-Z]+\)?"#, |lex|{lex.slice().to_string()})]
+    Decorator(String),
 }
 
-pub fn main() {
-    let mut lex = Token::lexer("Create ridiculously fast Lexers.");
+pub fn build_idl(name: String) {
+    let contents = open_protocol(name);
+    let lex = Token::lexer(&contents);
+    for x in lex {
+        println!("{:?}", x.unwrap());
+    }
+}
+
+fn open_protocol(name: String) -> String {
+    let path = format!("sysdata/idl/{}/src/protocol.aidl", name);
+    let mut file = std::fs::File::open(path).unwrap();
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).unwrap();
+    contents
 }
diff --git a/dev/src/idl/protocol.rs b/dev/src/idl/protocol.rs
new file mode 100644
index 00000000..191e504a
--- /dev/null
+++ b/dev/src/idl/protocol.rs
@@ -0,0 +1,22 @@
+pub enum ProtocolTypes {
+    Byte,
+}
+
+pub struct Decorator {
+    pub name:  String,
+    pub value: Option<String>,
+}
+
+pub struct Protocol {
+    pub name: String,
+    pub decorators: Vec<Decorator>,
+}
+
+pub struct Field {
+    pub name:  String,
+    pub ptype: ProtocolTypes,
+}
+
+pub struct Structure {
+    pub fields: Vec<Field>,
+}
diff --git a/dev/src/main.rs b/dev/src/main.rs
index 8e27d722..42406436 100644
--- a/dev/src/main.rs
+++ b/dev/src/main.rs
@@ -1,4 +1,6 @@
 use std::io::Write;
+
+use idl::build_idl;
 pub mod idl;
 
 pub enum Options {
@@ -7,7 +9,7 @@ pub enum Options {
     New,
     Run,
 }
-#[derive(PartialEq)]
+#[derive(PartialEq, Debug)]
 pub enum DevelopmentType {
     Program,
     Library,
@@ -24,7 +26,7 @@ fn main() {
 
     match subcommand {
         "build" => {
-            let name = &args[1];
+            let name = &args.pop().unwrap();
             build(name.to_string())
         }
         "new" => {
@@ -103,8 +105,21 @@ fn run() {
 
 fn build(name: String) {
     println!("building {}", name);
+    let mut a = name.split("/");
+    let dev_type = a.next().unwrap();
+    let name = a.next().unwrap().to_string();
+    match dev_type {
+        "programs" => build_program(name),
+        "idl" => build_idl(name),
+        _ => {
+            panic!()
+        }
+    }
 }
 
+pub fn build_program(name: String) {}
+pub fn build_library(name: String) {}
+
 fn help() {
     println!(
         "==========
diff --git a/sysdata/idl/abc/src/protocol.aidl b/sysdata/idl/abc/src/protocol.aidl
index b08bdcf1..8bff36de 100644
--- a/sysdata/idl/abc/src/protocol.aidl
+++ b/sysdata/idl/abc/src/protocol.aidl
@@ -1,2 +1,6 @@
+
+@visibility(public)
 protocol abc {
-                }
\ No newline at end of file
+
+
+}
\ No newline at end of file