core: add Cargo.toml

This aids development using Visual Studio Code. The http_bench can't be
built with cargo yet because it needs to link with libdeno.

Cargo.lock

+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "aho-corasick"
 version = "0.6.9"
@@ -230,6 +232,18 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "deno_core"
+version = "0.0.1"
+dependencies = [
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "dirs"
 version = "1.0.4"

Cargo.toml

@@ -4,6 +4,13 @@
 # Deno does not build with cargo. Deno uses a build system called gn.
 # See build_extra/rust/BUILD.gn for the manually built configuration of rust
 # crates.
+
+[workspace]
+members = [
+  "./",
+  "core",
+]
+
 [package]
 name = "deno"
 version = "0.3.0"

core/Cargo.toml

+# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+[package]
+name = "deno_core"
+version = "0.0.1"
+edition = "2018"
+
+[lib]
+path = "lib.rs"
+
+[[bin]]
+name = "deno_core_http_bench"
+path = "http_bench.rs"
+required-features = ["bin-dependencies"]
+
+[features]
+bin-dependencies = ["tokio"]
+
+[dependencies]
+futures = "0.1.25"
+lazy_static = "1.2.0"
+libc = "0.2.48"
+log = "0.4.6"
+serde_json = "1.0.38"
+tokio = { version = "0.1.15", optional = true }