add extra pass-through rules

diff --git a/parse_sv.py b/parse_sv.py
index 82cb55ebe00ccff568edd654d509628ec7c25d92..13c6eed323487e2f0f020f3f365b92d183adad72 100644 (file)
--- a/parse_sv.py
+++ b/parse_sv.py
@@ -3237,7 +3237,6 @@ def p_expression_1(p):
     '''expression : expr_primary_or_typename '''
     print('expression_1', list(p))
     p[0] = p[1]
-    p[0] = p[1]
 ()
 def p_expression_2(p):
     '''expression : inc_or_dec_expression '''
@@ -3252,7 +3251,7 @@ def p_expression_3(p):
 def p_expression_4(p):
     '''expression : '+' attribute_list_opt expr_primary %prec UNARY_PREC '''
     print('expression_4', list(p))
-    # { $$ = $3; }
+    p[0] = p[3]
 ()
 def p_expression_5(p):
     '''expression : '-' attribute_list_opt expr_primary %prec UNARY_PREC '''