refactor(natu): rename xatu

src/natu/ast.rs

@@ -0,0 +1,84 @@
+use crate::FileId;
+
+#[derive(Debug)]
+pub struct ParsedFile {
+    pub file_id: FileId,
+    pub root: Expr,
+    pub nodes: Vec<Node>,
+    pub tokens: Vec<Token>,
+    pub errors: Vec<ParseError>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Node {
+    pub range: SourceRange,
+    pub data: NodeData,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct SourceRange {
+    pub start: usize,
+    pub end: usize,
+}
+
+impl std::fmt::Display for SourceRange {
+    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(formatter, "{}..{}", self.start, self.end)
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum NodeData {
+    Binding(Binding),
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Binding {
+    pub range: SourceRange,
+    pub key: Ident,
+    pub value: Expr,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Ident {
+    pub name: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum Expr {
+    Ident(Ident),
+    Select(Select),
+    Let {
+        bindings: Vec<Binding>,
+        body: Box<Expr>,
+    },
+    AttrSet(Vec<Binding>),
+    Lambda {
+        parameters: Vec<Ident>,
+        body: Box<Expr>,
+    },
+    Other(Vec<Expr>),
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Select {
+    pub receiver: String,
+    pub attr: Ident,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Token {
+    pub range: SourceRange,
+    pub data: TokenData,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum TokenData {
+    UnquotedUri(String),
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct ParseError {
+    pub range: SourceRange,
+    pub message: String,
+}