chore: re-add empty line handling by @KtorZ

Co-authored-by: KtorZ

crates/aiken-lang/src/parser.rs

@@ -34,7 +34,7 @@ pub fn module(
     let mut previous_is_newline = false;
 
     let tokens = tokens.into_iter().filter_map(|(token, ref span)| {
-        let current_is_newline = token == Token::NewLine;
+        let current_is_newline = token == Token::NewLine || token == Token::EmptyLine;
         let result = match token {
             Token::ModuleComment => {
                 extra.module_comments.push(*span);

crates/aiken-lang/src/tests/parser.rs

@@ -3297,3 +3297,43 @@ fn parse_keyword_todo() {
         ],
     )
 }
+
+#[test]
+fn brackets_followed_by_parenthesis() {
+    fn assert_sequence(code: &str) {
+        let (module, _extra) = parser::module(code, ast::ModuleKind::Validator).unwrap();
+        assert!(
+            matches!(
+                module.definitions[..],
+                [ast::Definition::Test(Function {
+                    body: expr::UntypedExpr::Sequence { .. },
+                    ..
+                })]
+            ),
+            "{}",
+            code.to_string()
+        );
+    }
+
+    assert_sequence(indoc! {r#"
+       test foo () {
+         let a = []
+         (x |> y) == []
+       }
+   "#});
+
+    assert_sequence(indoc! {r#"
+       test foo () {
+         let a = []
+         (x |> y) == []
+       }
+   "#});
+
+    assert_sequence(indoc! {r#"
+        test foo () {
+          let a = []
+          // foo
+          (x |> y) == []
+        }
+    "#});
+}