Songfilter: allow redundant parantheses

8707ae6f · Max Kellermann · 8786b616 · 8707ae6f
Commit 8707ae6f authored Jul 30, 2018 by Max Kellermann
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Showing with 8 additions and 1 deletion

SongFilter.cxx src/SongFilter.cxx +8 -1

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--- a/src/SongFilter.cxx
+++ b/src/SongFilter.cxx
@@ -320,8 +320,15 @@ SongFilter::ParseExpression(const char *&s, bool fold_case)

 	s = StripLeft(s + 1);

-	if (*s == '(')
+	if (*s == '(') {
+		auto first = ParseExpression(s, fold_case);
+		if (*s == ')') {
+			++s;
+			return first;
+		}
+
 		throw std::runtime_error("Nested expressions not yet implemented");
+	}

 	auto type = ExpectFilterType(s);