From 48bf419669694802f82b418b901cb282957fb64f Mon Sep 17 00:00:00 2001
From: andy finch <andyfinch7@gmail.com>
Date: Tue, 19 Mar 2019 20:55:59 -0400
Subject: Separate behavior for the compiler isolate (#1973)

---
 src/cli_behavior.rs | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/cli_behavior.rs

(limited to 'src')

diff --git a/src/cli_behavior.rs b/src/cli_behavior.rs
new file mode 100644
index 000000000..f30ae789f
--- /dev/null
+++ b/src/cli_behavior.rs
@@ -0,0 +1,73 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+#![allow(unused_variables)]
+#![allow(dead_code)]
+
+use crate::isolate_state::IsolateStateContainer;
+use crate::isolate_state::IsolateState;
+use crate::ops;
+use deno_core::deno_buf;
+use deno_core::deno_mod;
+use deno_core::Behavior;
+use deno_core::Op;
+use deno_core::StartupData;
+use std::sync::atomic::Ordering;
+use std::sync::Arc;
+
+// Buf represents a byte array returned from a "Op". The message might be empty
+// (which will be translated into a null object on the javascript side) or it is
+// a heap allocated opaque sequence of bytes.  Usually a flatbuffer message.
+pub type Buf = Box<[u8]>;
+
+/// Implements deno_core::Behavior for the main Deno command-line.
+pub struct CliBehavior {
+  startup_data: Option<StartupData>,
+  pub state: Arc<IsolateState>,
+}
+
+impl CliBehavior {
+  pub fn new(
+    startup_data: Option<StartupData>,
+    state: Arc<IsolateState>,
+  ) -> Self {
+    Self {
+      startup_data,
+      state,
+    }
+  }
+}
+
+impl Behavior for CliBehavior {
+  fn startup_data(&mut self) -> Option<StartupData> {
+    self.startup_data.take()
+  }
+
+  fn resolve(&mut self, specifier: &str, referrer: deno_mod) -> deno_mod {
+    self
+      .state
+      .metrics
+      .resolve_count
+      .fetch_add(1, Ordering::Relaxed);
+    let mut modules = self.state.modules.lock().unwrap();
+    modules.resolve_cb(&self.state.dir, specifier, referrer)
+  }
+
+  fn dispatch(
+    &mut self,
+    control: &[u8],
+    zero_copy: deno_buf,
+  ) -> (bool, Box<Op>) {
+    ops::dispatch_cli(self, control, zero_copy)
+  }
+}
+
+impl IsolateStateContainer for CliBehavior {
+  fn state(&self) -> Arc<IsolateState> {
+    self.state.clone()
+  }
+}
+
+impl IsolateStateContainer for &CliBehavior {
+  fn state(&self) -> Arc<IsolateState> {
+    self.state.clone()
+  }
+}
\ No newline at end of file
-- 
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