Minimal AST

src/ast.rs

@@ -0,0 +1,41 @@
+#[derive(Debug, Clone)]
+pub enum Statement {
+	Assign {
+		target: Location,
+		source: Box<Expression>,
+	},
+	Call {
+		callee: String,
+		args: Vec<Expression>,
+	},
+}
+
+#[derive(Debug, Clone)]
+pub enum Location {
+	Variable {
+		name: String,
+	},
+	Field {
+		table: Box<Location>,
+		index: Box<Expression>,
+	},
+}
+
+#[derive(Debug, Clone)]
+pub enum Expression {
+	Constant(Constant),
+	Variable(Location),
+	Call {
+		callee: String,
+		args: Vec<Expression>,
+	},
+}
+
+#[derive(Debug, Clone, Default)]
+pub enum Constant {
+	#[default]
+	Nil,
+	Boolean(bool),
+	Number(i64),
+	String(String),
+}

src/lib.rs

@@ -1,2 +1,3 @@
+pub mod ast;
 pub mod scope;
 pub mod types;