Make parenthesis optional in function if there are no parameters

1 files changed, 6 insertions, 2 deletions

diff --git a/src/parser.c b/src/parser.c
index 0c46f42..8d23888 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -167,9 +167,13 @@ static TslParseResult tsl_parser_parse_fn_body(TslParser *self) {
     return tsl_parser_parse_expressions(self, TSL_TOKEN_RBRACE);
 }
 
-/* FN = '(' (IDENTIFIER ',')* ')' FN_BODY */
+/* FN = ( '(' (IDENTIFIER ',')* ')' )? FN_BODY */
 static TslParseResult tsl_parser_parse_fn(TslParser *self) {
-    return_if_error(tsl_tokenizer_accept(&self->tokenizer, TSL_TOKEN_LPAREN));
+    TslToken token = tsl_tokenizer_next(&self->tokenizer);
+    /* FN_BODY */
+    if(token == TSL_TOKEN_LBRACE)
+        return tsl_parser_parse_expressions(self, TSL_TOKEN_RBRACE);
+
     for(;;) {
         TslToken token = tsl_tokenizer_next(&self->tokenizer);
         if(token == TSL_TOKEN_RPAREN) {