ps_psyms_push
ps_psyms_push(psym_stmt, ps.ind_level); /* as a stop symbol */
void ps_psyms_push(parser_symbol, int);
ps_psyms_push(psym, ps.ind_level);
ps_psyms_push(psym_stmt, ps.ind_level_follow);
ps_psyms_push(psym_decl, ps.ind_level_follow);
ps_psyms_push(psym_stmt, ps.ind_level);
ps_psyms_push(psym, ps.ind_level);
ps_psyms_push(psym_switch_expr, ps.ind_level_follow);
ps_psyms_push(psym_while_expr, ps.ind_level);
ps_psyms_push(psym_while_expr, ps.ind_level_follow);