93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
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/********************************************
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bi_vars.c
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copyright 1991, Michael D. Brennan
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This is a source file for mawk, an implementation of
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the AWK programming language.
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Mawk is distributed without warranty under the terms of
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the GNU General Public License, version 2, 1991.
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********************************************/
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/* $Log: bi_vars.c,v $
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/* Revision 1.2 1993/07/02 23:57:04 jtc
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/* Updated to mawk 1.1.4
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/*
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* Revision 5.2 1992/07/10 16:17:10 brennan
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* MsDOS: remove NO_BINMODE macro
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*
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* Revision 5.1 1991/12/05 07:55:38 brennan
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* 1.1 pre-release
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*
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*/
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/* bi_vars.c */
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#include "mawk.h"
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#include "symtype.h"
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#include "bi_vars.h"
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#include "field.h"
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#include "init.h"
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#include "memory.h"
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/* the builtin variables */
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CELL bi_vars[NUM_BI_VAR] ;
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/* the order here must match the order in bi_vars.h */
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static char *bi_var_names[NUM_BI_VAR] = {
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"NR" ,
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"FNR" ,
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"ARGC" ,
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"FILENAME" ,
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"OFS" ,
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"ORS" ,
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"RLENGTH" ,
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"RSTART" ,
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"SUBSEP"
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#if MSDOS
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, "BINMODE"
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#endif
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} ;
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/* insert the builtin vars in the hash table */
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void bi_vars_init()
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{ register int i ;
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register SYMTAB *s ;
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for ( i = 0 ; i < NUM_BI_VAR ; i++ )
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{ s = insert( bi_var_names[i] ) ;
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s->type = i <= 1 ? ST_NR : ST_VAR ;
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s->stval.cp = bi_vars + i ;
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/* bi_vars[i].type = 0 which is C_NOINIT */
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}
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s = insert("ENVIRON") ;
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s->type = ST_ENV ;
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/* set defaults */
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FILENAME->type = C_STRING ;
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FILENAME->ptr = (PTR) new_STRING( "" ) ;
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OFS->type = C_STRING ;
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OFS->ptr = (PTR) new_STRING( " " ) ;
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ORS->type = C_STRING ;
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ORS->ptr = (PTR) new_STRING( "\n" ) ;
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SUBSEP->type = C_STRING ;
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SUBSEP->ptr = (PTR) new_STRING( "\034" ) ;
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NR->type = FNR->type = C_DOUBLE ;
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/* dval is already 0.0 */
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#if MSDOS
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BINMODE->type = C_DOUBLE ;
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#endif
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}
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