HashStable_Generic for libsyntax_pos.

3 files changed, 12 insertions, 6 deletions

diff --git a/src/libsyntax_pos/edition.rs b/src/libsyntax_pos/edition.rs
index 00cd00f2837..727aad546f5 100644
--- a/src/libsyntax_pos/edition.rs
+++ b/src/libsyntax_pos/edition.rs
@@ -2,8 +2,11 @@ use crate::symbol::{Symbol, sym};
 use std::fmt;
 use std::str::FromStr;
 
+use rustc_macros::HashStable_Generic;
+
 /// The edition of the compiler (RFC 2052)
-#[derive(Clone, Copy, Hash, PartialEq, PartialOrd, Debug, RustcEncodable, RustcDecodable, Eq)]
+#[derive(Clone, Copy, Hash, PartialEq, PartialOrd, Debug,
+         RustcEncodable, RustcDecodable, Eq, HashStable_Generic)]
 pub enum Edition {
     // editions must be kept in order, oldest to newest
 
diff --git a/src/libsyntax_pos/hygiene.rs b/src/libsyntax_pos/hygiene.rs
index daabd0569dc..eb420454f03 100644
--- a/src/libsyntax_pos/hygiene.rs
+++ b/src/libsyntax_pos/hygiene.rs
@@ -59,7 +59,8 @@ pub struct ExpnId(u32);
 
 /// A property of a macro expansion that determines how identifiers
 /// produced by that expansion are resolved.
-#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Hash, Debug, RustcEncodable, RustcDecodable)]
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Hash, Debug,
+         RustcEncodable, RustcDecodable, HashStable_Generic)]
 pub enum Transparency {
     /// Identifier produced by a transparent expansion is always resolved at call-site.
     /// Call-site spans in procedural macros, hygiene opt-out in `macro` should use this.
@@ -684,7 +685,7 @@ impl ExpnData {
 }
 
 /// Expansion kind.
-#[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
+#[derive(Clone, Debug, RustcEncodable, RustcDecodable, HashStable_Generic)]
 pub enum ExpnKind {
     /// No expansion, aka root expansion. Only `ExpnId::root()` has this kind.
     Root,
@@ -744,7 +745,7 @@ impl MacroKind {
 }
 
 /// The kind of AST transform.
-#[derive(Clone, Copy, PartialEq, Debug, RustcEncodable, RustcDecodable)]
+#[derive(Clone, Copy, PartialEq, Debug, RustcEncodable, RustcDecodable, HashStable_Generic)]
 pub enum AstPass {
     StdImports,
     TestHarness,
@@ -764,7 +765,7 @@ impl AstPass {
 }
 
 /// The kind of compiler desugaring.
-#[derive(Clone, Copy, PartialEq, Debug, RustcEncodable, RustcDecodable)]
+#[derive(Clone, Copy, PartialEq, Debug, RustcEncodable, RustcDecodable, HashStable_Generic)]
 pub enum DesugaringKind {
     /// We desugar `if c { i } else { e }` to `match $ExprKind::Use(c) { true => i, _ => e }`.
     /// However, we do not want to blame `c` for unreachability but rather say that `i`
diff --git a/src/libsyntax_pos/lib.rs b/src/libsyntax_pos/lib.rs
index b88d6dbc3f3..720ace90324 100644
--- a/src/libsyntax_pos/lib.rs
+++ b/src/libsyntax_pos/lib.rs
@@ -15,6 +15,7 @@
 #![feature(step_trait)]
 
 use rustc_serialize::{Encodable, Decodable, Encoder, Decoder};
+use rustc_macros::HashStable_Generic;
 
 pub mod source_map;
 
@@ -66,7 +67,8 @@ impl Globals {
 scoped_tls::scoped_thread_local!(pub static GLOBALS: Globals);
 
 /// Differentiates between real files and common virtual files.
-#[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash, RustcDecodable, RustcEncodable)]
+#[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash,
+         RustcDecodable, RustcEncodable, HashStable_Generic)]
 pub enum FileName {
     Real(PathBuf),
     /// A macro. This includes the full name of the macro, so that there are no clashes.