Add initialization flow (#30)

* Add initialization flow

* Add init debug trace

* Link todo

Author: ddoktorski

src/debugger.rs

@@ -1,6 +1,8 @@
 use anyhow::Result;
+use tracing::debug;
 
 use crate::connection::Connection;
+use crate::debugger::handler::{HandleResult, NextAction};
 
 mod handler;
 
@@ -9,9 +11,25 @@ pub struct CairoDebugger {
 }
 
 impl CairoDebugger {
-    pub fn connect() -> Result<Self> {
+    pub fn connect_and_initialize() -> Result<Self> {
         let connection = Connection::new()?;
-        Ok(Self { connection })
+        let debugger = Self { connection };
+        debugger.initialize()?;
+
+        Ok(debugger)
+    }
+
+    fn initialize(&self) -> Result<()> {
+        loop {
+            // TODO(#35)
+            let request = self.connection.next_request()?;
+            if let HandleResult::Trigger(NextAction::FinishInit) = self.handle_request(request)? {
+                debug!("Initialization finished");
+                break;
+            }
+        }
+
+        Ok(())
     }
 
     pub fn run(&self) -> Result<()> {

src/debugger/handler.rs

@@ -12,6 +12,11 @@ use crate::CairoDebugger;
 
 pub enum HandleResult {
     Handled,
+    Trigger(NextAction),
+}
+
+pub enum NextAction {
+    FinishInit,
 }
 
 impl CairoDebugger {
@@ -86,7 +91,7 @@ impl CairoDebugger {
             Command::ConfigurationDone => {
                 trace!("Configuration done");
                 self.connection.send_success(request, ResponseBody::ConfigurationDone)?;
-                Ok(HandleResult::Handled)
+                Ok(HandleResult::Trigger(NextAction::FinishInit))
             }
             Command::Continue(_) => {
                 todo!()
@@ -199,7 +204,6 @@ impl CairoDebugger {
                 Ok(HandleResult::Handled)
             }
             Command::Scopes(_) => {
-                // Return no scopes.
                 // Return no scopes.
                 self.connection.send_success(
                     request,