def p_if_statement_woelse_delay(self, p):
        'if_statement : delays IF LPAREN cond RPAREN true_statement'
        p[0] = IfStatement(p[4], p[6], None, lineno=p.lineno(2))
        p.set_lineno(0, p.lineno(2))
def p_if_statement_woelse_delay ( self , p ) : p [ 0 ] = IfStatement ( p [ 4 ] , p [ 6 ] , None , lineno = p . lineno ( 2 ) ) p . set_lineno ( 0 , p . lineno ( 2 ) )
if_statement : delays IF LPAREN cond RPAREN true_statement