libproc_macro: Add Ident type interface

Add the rust interface for the Ident type in libproc_macro.

ChangeLog:

	* librust/proc_macro/rust/lib.rs: Add ident type.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/librust/proc_macro/rust/lib.rs b/librust/proc_macro/rust/lib.rs
index d3ef527..83d8448 100644
--- a/librust/proc_macro/rust/lib.rs
+++ b/librust/proc_macro/rust/lib.rs
@@ -51,3 +51,44 @@ impl fmt::Debug for Span {
         todo!("Implement this function")
     }
 }
+
+#[derive(Clone)]
+pub struct Ident {
+    // Internal implementation details
+}
+
+impl Ident {
+    /// Creates a new identifier from a string and a span
+    pub fn new(string: &str, span: Span) -> Self {
+        todo!("Implement this function")
+    }
+
+    /// Creates a raw new identifier from a string and a span
+    pub fn new_raw(string: &str, span: Span) -> Self {
+        todo!("Implement this function")
+    }
+
+    /// Return the span of the identifier
+    pub fn span(&self) -> Span {
+        todo!("Implement this function")
+    }
+
+    /// change the span of the identifier
+    pub fn set_span(&mut self, span: Span) {
+        todo!("Implement this function")
+    }
+}
+
+impl fmt::Display for Ident {
+    /// Display as lossless converted string
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        todo!("Implement this function")
+    }
+}
+
+impl fmt::Debug for Ident {
+    /// display debug friendly version of the Identifier
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        todo!("Implement this function")
+    }
+}