Quick fix to lex errors at the repl with unbalanced parens

helpers.go

@@ -501,3 +501,24 @@ func createTimeFormatString(s string) string {
 	return out.String()
 }
 
+// Used by REPL to know if another input line
+// should be offered before parsing
+func stringParensMatch(s string) bool {
+	t := Tokenize(s)
+	count := 0
+	for _, v := range t {
+		switch v {
+		case "(":
+			count++
+		case ")":
+			count--
+		}
+	}
+	if count > 0 {
+		return false
+	} 
+
+	// If count is negative still return true, the
+	// parser will handle erroring
+	return true
+}

main.go

@@ -264,9 +264,7 @@ func Repl() {
 		}
 		text.WriteString(in)
 		text.WriteRune('\n')
-		open := strings.Count(text.String(), "(") + strings.Count(text.String(), "{")
-		closed := strings.Count(text.String(), ")") + strings.Count(text.String(), "}")
-		if open > closed {
+		if !stringParensMatch(text.String()){
 			cont = true
 		} else {
 			cont = false