#define COLON 257
#define COMMA 258
#define DOLLAR 259
#define EQU 260
#define LB 261
#define LP 262
#define PLAIN 263
#define RB 264
#define RP 265
#define SPACE 266
typedef union
{
    string_ty       *lv_string;
    string_list_ty  lv_list;
} vargram_STYPE;
extern vargram_STYPE vargram_lval;