Bump syn/quote in deny_public_fields

2 files changed, 11 insertions, 13 deletions

diff --git a/components/deny_public_fields/Cargo.toml b/components/deny_public_fields/Cargo.toml
index 6b2c567e29f..45c291aa061 100644
--- a/components/deny_public_fields/Cargo.toml
+++ b/components/deny_public_fields/Cargo.toml
@@ -10,5 +10,5 @@ path = "lib.rs"
 proc-macro = true
 
 [dependencies]
-syn = "0.11"
-synstructure = "0.5"
+syn = "0.12.12"
+synstructure = "0.7"
diff --git a/components/deny_public_fields/lib.rs b/components/deny_public_fields/lib.rs
index e9b8b7938a2..8d5feb39cbe 100644
--- a/components/deny_public_fields/lib.rs
+++ b/components/deny_public_fields/lib.rs
@@ -4,24 +4,22 @@
 
 extern crate proc_macro;
 extern crate syn;
+#[macro_use]
 extern crate synstructure;
 
-#[proc_macro_derive(DenyPublicFields)]
-pub fn expand_token_stream(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
-    expand_string(&input.to_string()).parse().unwrap()
-}
+use std::str::FromStr;
 
-fn expand_string(input: &str) -> String {
-    let type_ = syn::parse_macro_input(input).unwrap();
+decl_derive!([DenyPublicFields] => deny_public_fields_derive);
 
-    let style = synstructure::BindStyle::Ref.into();
-    synstructure::each_field(&type_, &style, |binding| {
-        if binding.field.vis != syn::Visibility::Inherited {
+fn deny_public_fields_derive(s: synstructure::Structure) -> proc_macro::TokenStream {
+    s.each(|binding| {
+        if binding.ast().vis != syn::Visibility::Inherited {
             panic!("Field `{}` should not be public",
-                   binding.field.ident.as_ref().unwrap_or(&binding.ident));
+                binding.ast().ident.as_ref().unwrap_or(&binding.binding));
         }
+
         "".to_owned()
     });
 
-    "".to_owned()
+    proc_macro::TokenStream::from_str("").unwrap()
 }