From adf10fc7f615805fa63845e47633eeb1cb8abe70 Mon Sep 17 00:00:00 2001
From: Vu Vo <vu.voth@gmail.com>
Date: Mon, 28 Oct 2024 00:32:04 +0700
Subject: [PATCH] tag support (#58)

---
 crates/parser/src/grammar/block.rs       | 36 ------------------------
 crates/parser/src/grammar/declaration.rs | 13 +++++++++
 2 files changed, 13 insertions(+), 36 deletions(-)

diff --git a/crates/parser/src/grammar/block.rs b/crates/parser/src/grammar/block.rs
index 47b4a69..059dd05 100644
--- a/crates/parser/src/grammar/block.rs
+++ b/crates/parser/src/grammar/block.rs
@@ -37,39 +37,3 @@ pub fn block(p: &mut Parser) {
     }
 }
 
-// #[cfg(test)]
-// mod tests {
-
-//     use crate::{
-//         ast::{AstBlock, AstNode},
-//         grammar::entry::Scope,
-//         syntax_node::SyntaxNode,
-//     };
-
-//     use super::*;
-//     #[test]
-//     fn parse_block_test() {
-//         let source = r#"
-//             {
-//                var x, y;
-//                var (x, y);
-//                var (x, y) = a + b;
-//                var a = x, b = y;
-//                var a = x, b = y;
-
-//                signal a;
-//                signal a, b;
-//                signal (a, b);
-//                signal (a, b) = a - b;
-//                a <== 12 + 1
-//                a ==>b
-//             }
-//         "#;
-//         let green_node = Parser::parse_scope(source, Scope::Block);
-//         let syntax_node = SyntaxNode::new_root(green_node);
-
-//         if let Some(ast_block) = AstBlock::cast(syntax_node) {
-//             println!("{:?}", ast_block.statement_list().unwrap().syntax().kind());
-//         }
-//     }
-// }
diff --git a/crates/parser/src/grammar/declaration.rs b/crates/parser/src/grammar/declaration.rs
index d70e521..293fb5a 100644
--- a/crates/parser/src/grammar/declaration.rs
+++ b/crates/parser/src/grammar/declaration.rs
@@ -14,6 +14,11 @@ fn signal_header(p: &mut Parser) -> Option<bool> {
             res = Some(false);
         }
         p.advance();
+
+        if p.at(LCurly) {
+            p.expect(Identifier);
+            p.expect(RCurly);
+        }
     }
     p.close(m, SignalHeader);
     res
@@ -120,3 +125,11 @@ pub(super) fn declaration(p: &mut Parser) {
         _ => unreachable!(),
     }
 }
+
+#[cfg(test)]
+mod declar_tests {
+    #[test]
+    fn signal_with_tag() {
+        
+    }
+}