Split up and expand ast

src/ast/basic.rs

@@ -0,0 +1,39 @@
+use std::fmt;
+
+use crate::span::{HasSpan, Span};
+
+#[derive(Clone)]
+pub struct Space {
+    pub comment: Vec<(String, Span)>,
+    pub span: Span,
+}
+
+impl fmt::Debug for Space {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("Space").finish()
+    }
+}
+
+impl HasSpan for Space {
+    fn span(&self) -> Span {
+        self.span
+    }
+}
+
+#[derive(Clone)]
+pub struct Ident {
+    pub name: String,
+    pub span: Span,
+}
+
+impl fmt::Debug for Ident {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "i#{}", self.name)
+    }
+}
+
+impl HasSpan for Ident {
+    fn span(&self) -> Span {
+        self.span
+    }
+}