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Annotation of 42BSD/ingres/source/parser/parser.h, revision 1.1.1.1

1.1       root        1: #
                      2: /*
                      3: **     COPYRIGHT
                      4: **
                      5: **     The Regents of the University of California
                      6: **
                      7: **     1977
                      8: **
                      9: **     This program material is the property of the
                     10: **     Regents of the University of California and
                     11: **     may not be reproduced or disclosed without
                     12: **     the prior written permission of the owner.
                     13: */
                     14: 
                     15: /*
                     16: **     Version:
                     17: **             @(#)parser.h    7.1     2/5/81
                     18: */
                     19: 
                     20: 
                     21: 
                     22: # define       DBUFSIZ         2000    /* size of buffer for dbu commands */
                     23: # define       TREEMAX         2500    /* max number of bytes for tree */
                     24: # define       MAXATT          150     /* max number of attributes in the att stash */
                     25: 
                     26: # define       V6POINT3COMPAT
                     27: 
                     28: # define       WARN            0       /* for a non fatal error */
                     29: # define       FATAL           1       /* for a fatal error */
                     30: 
                     31: /* mode parameters for range table manipulation */
                     32: # define       LOOKREL         1
                     33: # define       LOOKVAR         2
                     34: # define       R_INTERNAL      3
                     35: # define       R_EXTERNAL      4
                     36: 
                     37: # define       RELVUSED        01
                     38: 
                     39: /* the first argument in argv which may be an ad hoc flag */
                     40: # define       FREEFLAGS       6
                     41: 
                     42: /* error numbers */
                     43: # define       SUMMARY         2000    /* summary of errors */
                     44: # define       TREEOFLO        2118    /* over flow tree buffer */
                     45: # define       DBUFOFLO        2106    /* over flow dbu arg buffer */
                     46: 
                     47: # define       NOATTRIN        2100    /* attrib not in relation */
                     48: # define       CANTUPDATE      2107    /* can't update rel */
                     49: # define       NOVBLE          2109    /* vble not declared */
                     50: # define       NOPATMAT        2120    /* no pattern matching in tl */
                     51: # define       RNGEXIST        2117    /* can't find rel for var */
                     52: # define       REPALL          2123    /* x.all on replace */
                     53: # define       BADCONSTOP      2134    /* bad constant operator */
                     54: 
                     55: # define       INDEXTRA        2111    /* too many atts in key */
                     56: # define       RESXTRA         2130    /* too many resdoms in tl */
                     57: # define       TARGXTRA        2131    /* tl larger than MAXTUP */
                     58: # define       AGGXTRA         2132    /* too many aggs */
                     59: 
                     60: # define       MODTYPE         2119    /* type conflict for MOD */
                     61: # define       CONCATTYPE      2121    /* type conflict for CONCAT */
                     62: # define       AVGTYPE         2125    /* type conflict for AVG(U) */
                     63: # define       SUMTYPE         2126    /* type conflict for SUM(U) */
                     64: # define       FOPTYPE         2127    /* type conflict for func ops */
                     65: # define       UOPTYPE         2128    /* type conflict for unary ops */
                     66: # define       NUMTYPE         2129    /* type conflict for numeric ops */
                     67: # define       RELTYPE         2133    /* type conflict for relatv op */
                     68: 
                     69: # define       RESTYPE         2103    /* result type mismatch w/expr */
                     70: # define       RESAPPEX        2108    /* append res rel not exist */
                     71: # define       RESEXIST        2135    /* result rel already exists */
                     72: 
                     73: # define       NXTCMDERR       2500    /* misspelt where problem */
                     74: # define       NOQRYMOD        2139    /* no qrymod in database */
                     75: 
                     76: # define       BADHOURS        2136    /* no such hour */
                     77: # define       BADMINS         2137    /* no such minute */
                     78: # define       BAD24TIME       2138    /* only 24:00 can be used */
                     79: 
                     80: /* -- ASSORTED DATA STRUCTURES -- */
                     81: struct atstash                                 /* attribute table */
                     82: {
                     83:        char            atbid;                  /* attribute number */
                     84:        char            atbfrmt;                /* attribute form type */
                     85:        char            atbfrml;                /* attribute form length */
                     86:        char            atbname[MAXNAME];       /* attribute name */
                     87:        struct atstash  *atbnext;               /* pointer to next entry in chain */
                     88: };
                     89: 
                     90: struct parrng                          /* auxiliary range table */
                     91: {
                     92:        DESC            vardesc;
                     93:        struct parrng   *frontpt;
                     94:        struct parrng   *backpt;
                     95:        struct atstash  *attlist;               /* head of attrib list for this reln */
                     96:        int             relvused;               /* whether variable in use */
                     97: };
                     98: 
                     99: typedef struct parrng   PARRNG;
                    100: 
                    101: struct constop                         /* constant operator lookup table */
                    102: {
                    103:        char    *copname;               /* string name for identification */
                    104:        int     copnum;                 /* op number */
                    105:        char    coptype;                /* op result type for formating */
                    106:        char    coplen;                 /* op result length for formatting */
                    107: };

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