From 90f7023896beaf79f2f2bed77b3ba7f28eead8e1 Mon Sep 17 00:00:00 2001
From: ConnorSkees <39542938+ConnorSkees@users.noreply.github.com>
Date: Sat, 23 May 2020 16:36:11 -0400
Subject: [PATCH] handle ( and ) at toplevel

---
 src/stylesheet.rs |  5 ++++-
 tests/error.rs    | 10 +++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/stylesheet.rs b/src/stylesheet.rs
index dcd58f2..550a19b 100644
--- a/src/stylesheet.rs
+++ b/src/stylesheet.rs
@@ -334,9 +334,12 @@ impl<'a> StyleSheetParser<'a> {
                 c if c.is_control() => {
                     return Err(("expected selector.", self.lexer.next().unwrap().pos).into());
                 }
-                ',' | '!' | '{' => {
+                ',' | '!' | '(' | ')' => {
                     return Err(("expected \"{\".", self.lexer.next().unwrap().pos).into());
                 }
+                '{' => {
+                    return Err(("expected \"}\".", self.lexer.next().unwrap().pos).into());
+                }
                 '`' | '\'' | '"' => {
                     return Err(("expected selector.", self.lexer.next().unwrap().pos).into());
                 }
diff --git a/tests/error.rs b/tests/error.rs
index e184276..d4ea7a6 100644
--- a/tests/error.rs
+++ b/tests/error.rs
@@ -87,7 +87,15 @@ error!(toplevel_exclamation, "! {}", "Error: expected \"{\".");
 error!(toplevel_backtick, "` {}", "Error: expected selector.");
 error!(
     toplevel_open_curly_brace,
-    "{ {color: red;}", "Error: expected \"{\"."
+    "{ {color: red;}", "Error: expected \"}\"."
+);
+error!(
+    toplevel_open_paren,
+    "(", "Error: expected \"{\"."
+);
+error!(
+    toplevel_close_paren,
+    "(", "Error: expected \"{\"."
 );
 error!(
     backtick_in_value,