feature: add miden-package crate with Package type to represent

compiled Miden program/library.

Cargo.toml

@@ -4,6 +4,7 @@ members = [
     "assembly",
     "core",
     "miden",
+    "package",
     "processor",
     "prover",
     "stdlib",

assembly/Cargo.toml

@@ -21,6 +21,10 @@ doctest = false
 default = ["std"]
 std = ["aho-corasick/std", "miette/fancy", "miette/std", "thiserror/std", "vm-core/std"]
 testing = ["dep:regex"]
+serde = [
+    "dep:serde",
+    "smallvec/serde",
+]
 
 [dependencies]
 aho-corasick = { version = "1.1", default-features = false }
@@ -37,6 +41,7 @@ unicode-width = { version = "0.1", features = ["no_std"] }
 vm-core = { package = "miden-core", path = "../core", version = "0.10", default-features = false, features = [
     "diagnostics",
 ] }
+serde = { version = "1.0.208", features = ["alloc", "rc", "serde_derive"], optional = true }
 
 [dev-dependencies]
 pretty_assertions = "1.4"

assembly/src/ast/ident.rs

@@ -183,3 +183,38 @@ impl FromStr for Ident {
         Ok(Self { span: SourceSpan::default(), name })
     }
 }
+
+#[cfg(feature = "serde")]
+impl serde::Serialize for Ident {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        self.as_str().serialize(serializer)
+    }
+}
+
+#[cfg(feature = "serde")]
+impl<'de> serde::Deserialize<'de> for Ident {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        struct IdentVisitor;
+        impl<'de> serde::de::Visitor<'de> for IdentVisitor {
+            type Value = Ident;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                formatter.write_str("ident")
+            }
+
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+            where
+                E: serde::de::Error,
+            {
+                Ok(Ident::new_unchecked(Span::unknown(Arc::from(v))))
+            }
+        }
+        deserializer.deserialize_str(IdentVisitor)
+    }
+}