Bug 1520001 - Updating binast generator to binjs_meta 0.5.2;r=arai

Depends on D34127

Differential Revision: https://phabricator.services.mozilla.com/D34128

--HG--
extra : moz-landing-system : lando

js/src/frontend/binast/Cargo.toml

@@ -5,14 +5,13 @@ authors = ["David Teller <D.O.Teller@gmail.com>"]
 autobins = false
 
 [dependencies]
-binjs_meta = "^0.4.3"
+binjs_meta = "^0.5.2"
 clap = "^2"
 env_logger = "^0.5.6"
 Inflector = "^0.11"
 itertools = "^0.7.6"
 log = "0.4"
 yaml-rust = "^0.4.2"
-webidl = "^0.8"
 
 [[bin]]
 name = "binast"

js/src/frontend/binast/src/main.rs

@@ -4,7 +4,6 @@ extern crate env_logger;
 extern crate inflector;
 extern crate itertools;
 #[macro_use] extern crate log;
-extern crate webidl;
 extern crate yaml_rust;
 
 use binjs_meta::export::{ ToWebidl, TypeDeanonymizer, TypeName };
@@ -2355,12 +2354,9 @@ fn main() {
     file.read_to_string(&mut source)
         .expect("Could not read source");
 
-    println!("...parsing webidl");
-    let ast = webidl::parse_string(&source)
-        .expect("Could not parse source");
-
     println!("...verifying grammar");
-    let mut builder = Importer::import(&ast);
+    let mut builder = Importer::import(vec![source.as_ref()])
+        .expect("Invalid grammar");
     let fake_root = builder.node_name("@@ROOT@@"); // Unused
     let null = builder.node_name(""); // Used
     builder.add_interface(&null)