handle url edge case involving ; and no space between before style

src/args.rs

@@ -303,6 +303,7 @@ pub(crate) fn eat_call_args<I: Iterator<Item = Token>>(
     devour_whitespace_or_comment(toks)?;
     let mut name = String::new();
     let mut val: Vec<Token> = Vec::new();
+    // todo: panics on a { color:rgb(; }
     let mut span = toks.peek().unwrap().pos();
     loop {
         match toks.peek().unwrap().kind {

src/lib.rs

@@ -106,6 +106,7 @@ pub(crate) use crate::token::Token;
 use crate::utils::{
     devour_whitespace, eat_comment, eat_ident, eat_ident_no_interpolation, eat_variable_value,
     parse_quoted_string, read_until_closing_curly_brace, read_until_newline, VariableDecl,
+    read_until_closing_paren
 };
 use crate::value::Value;
 
@@ -713,6 +714,12 @@ pub(crate) fn eat_expr<I: Iterator<Item = Token>>(
                 values.push(toks.next().unwrap());
                 values.push(toks.next().unwrap());
             }
+            // todo: this should only apply to special functions
+            // it is causing us to emit nothing on malformed input
+            '(' => {
+                values.push(toks.next().unwrap());
+                values.extend(read_until_closing_paren(toks));
+            }
             _ => values.push(toks.next().unwrap()),
         };
     }

tests/url.rs

@@ -111,11 +111,16 @@ test!(
 test!(url_dot_dot, "a {\n  color: url(../foo/bar/..baz/);\n}\n");
 test!(
     silent_comment_in_interpolation,
-    "$roboto-font-path: \"../fonts/roboto\";\n\na {\n  color: url(#{//}\n  $roboto-font-path})\n}\n",
+    "$roboto-font-path: \"../fonts/roboto\";\n\na {\n  color: url(#{//}\n  $roboto-font-path});\n}\n",
     "a {\n  color: url(../fonts/roboto);\n}\n"
 );
 test!(
     interpolation_in_nested_url,
-    "a {\n  color: url(url(#{foo}))\n}\n",
+    "a {\n  color: url(url(#{foo}));\n}\n",
     "a {\n  color: url(url(foo));\n}\n"
 );
+test!(
+    no_space_after_colon_and_contains_semicolon,
+    "a {\n  color:url(;);\n}\n",
+    "a {\n  color: url(;);\n}\n"
+);