eval_tab.h

typedef union {
    int    Node;        /* Index of Node */
    double dbl;         /* real value    */
    long   lng;         /* integer value */
    char   log;         /* logical value */
    char   str[256];    /* string value  */
} FFSTYPE;
#define BOOLEAN 257
#define LONG    258
#define DOUBLE  259
#define STRING  260
#define BITSTR  261
#define FUNCTION    262
#define BFUNCTION   263
#define GTIFILTER   264
#define REGFILTER   265
#define COLUMN  266
#define BCOLUMN 267
#define SCOLUMN 268
#define BITCOL  269
#define ROWREF  270
#define NULLREF 271
#define SNULLREF    272
#define OR  273
#define AND 274
#define EQ  275
#define NE  276
#define GT  277
#define LT  278
#define LTE 279
#define GTE 280
#define POWER   281
#define NOT 282
#define INTCAST 283
#define FLTCAST 284
#define UMINUS  285


extern FFSTYPE fflval;