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- /*
- ** 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 8.2 1/16/85
- */
-
- /*
- ** 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 */
-
- # define I1MASK 0377 /* Bit mask for a character */
-
-
- /* debugging info conditional compilation flag */
- # define xDEBUG /* on for "-c" and "-v" flags */
- # define YYDEBUG 1 /* 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 22
- # define mdPROT 23
-
- /* 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
-