feat: support bare name assignments in interactive and function scopes

crates/frontend/src/ast/generated.rs

@@ -3,7 +3,7 @@
 use super::Spanned;
 use crate::Span;
 pub const AST_SCHEMA_ID: &str =
-    "urn:endor:ast:sha256:c0da1a2640ad85f2c8e8159a10756e649d3aab179823a7cd890d9ebbb7f5d46e";
+    "urn:endor:ast:sha256:8c89fde6c029357a0809751c41cb46d59972b987bbe1b25c0cced4bfcdbe2a7b";
 #[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(deny_unknown_fields)]
 pub struct AstDocument {
@@ -123,6 +123,7 @@ impl Spanned for Stmt {
 #[serde(tag = "kind", content = "data", deny_unknown_fields)]
 pub enum StmtKind {
     Binding(Binding),
+    Assignment(Assignment),
     Return(ReturnStatement),
     Expression(Expr),
     Declaration(Decl),
@@ -131,6 +132,7 @@ impl Spanned for StmtKind {
     fn span(&self) -> Span {
         match self {
             Self::Binding(node) => node.span(),
+            Self::Assignment(node) => node.span(),
             Self::Return(node) => node.span(),
             Self::Expression(node) => node.span(),
             Self::Declaration(node) => node.span(),
@@ -151,6 +153,18 @@ impl Spanned for Binding {
 }
 #[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(deny_unknown_fields)]
+pub struct Assignment {
+    pub name: Name,
+    pub value: Expr,
+    pub span: Span,
+}
+impl Spanned for Assignment {
+    fn span(&self) -> Span {
+        self.span
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[serde(deny_unknown_fields)]
 pub struct ReturnStatement {
     pub value: Option<Expr>,
     pub span: Span,