usr/src/ucb/ingres/source/equel/constants.h

/*
**  CONSTANTS.H -- manifest constants, operand and operator codes
**
**      Defines:
**              op_codes for operands
**              Opflag's domain set
**              Type_spec's domain set
**
**      Version:
**              @(#)constants.h 7.2     10/27/81
*/

/*
**      Manifest constants used throughout Equel
*/


# define        CONTINUE        1       /* "loop" flag for yylex */
# define        MAXNAME         13      /* maximum length for equel
                                         * identifiers (or keywords)
                                         */
# define        MAXSTRING       255     /* maximum length for equel strings */
# define        FILLCNT         110     /* length to fill lines when in Fillmode */


/* debugging info conditional compilation flag */
# define        xDEBUG                  /* on for "-c" and "-v" flags */
# define        YYDEBUG                 /* must ALWAYS be on-used in yyparse()*/


/*
**      Character types [cmap.c]
*/

# define        EOF_TOK         0       /* end of parse input too */
# define        ALPHA           1       /* alphabetic or '_' */
# define        NUMBR           2       /* numeric */
# define        OPATR           3       /* other non control characters */
# define        PUNCT           4       /* white space */
# define        CNTRL           5       /* control-characters */

/*
**      Modes for Lastc in w_op() and w_key() [prtout.c]
*/

# define        OPCHAR          0       /* last character
                                         * printed was an operator
                                         */
# define        KEYCHAR         1       /* last was alphanumeric */


/*
 * Modes used in parser actions to distinguish contexts in which
 * the same syntax applies. Opflag is set to these modes.
 *
 * (There are some modes that are never referenced, but are useful
 * for extension).
 */

        /* quel statements */

# define        mdAPPEND        1
# define        mdCOPY          2
# define        mdCREATE        3
# define        mdDEFINE        4
# define        mdDELETE        5
# define        mdDESTROY       6
# define        mdHELP          7
# define        mdINDEX         8
# define        mdINTEGRITY     9
# define        mdMODIFY        10
# define        mdPRINT         11
# define        mdRANGE         12
# define        mdREPLACE       13
# define        mdRETRIEVE      14
# define        mdSAVE          15
# define        mdVIEW          16
# define        mdPROT          17

        /* statements particular to Equel */

# define        mdDECL          16      /* C - declaration */
# define        mdCTLELM        17      /* left hand side of target list element
                                         * in "retrieve" to C-variables
                                         */
# define        mdEXIT          18      /* ## exit */
# define        mdINGRES        19      /* ## ingres */
# define        mdTUPRET        20      /* "retrieve" w/o an "into" */
# define        mdFILENAME      21      /* used in "copy" statement */


/* define       typTYPE         xx              /*   c types "Type_spec"  */
# define                        opSHORT         1
# define                        opFLOAT         2
# define                        opSTRING        3
# define                        opDOUBLE        4
# define                        opCHAR          5
# define                        opLONG          6
# define                        opIDSTRING      7
# define                        opSTRUCT        8
# ifdef PDP
# define                        opINT           opSHORT
# else PDP
# define                        opINT           opLONG
# endif PDP


/* define       typALLOC        xx              /*  c var allocation types  */
# define                        opAUTO          0
# define                        opSTATIC        1
# define                        opEXTERN        2
# define                        opREGISTER      3