90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
|
|
/********************************************
|
|
bi_vars.c
|
|
copyright 1991, Michael D. Brennan
|
|
|
|
This is a source file for mawk, an implementation of
|
|
the AWK programming language.
|
|
|
|
Mawk is distributed without warranty under the terms of
|
|
the GNU General Public License, version 2, 1991.
|
|
********************************************/
|
|
|
|
/* $Log: bi_vars.c,v $
|
|
/* Revision 1.1.1.1 1993/03/21 09:45:37 cgd
|
|
/* initial import of 386bsd-0.1 sources
|
|
/*
|
|
* Revision 5.1 91/12/05 07:55:38 brennan
|
|
* 1.1 pre-release
|
|
*
|
|
*/
|
|
|
|
|
|
/* bi_vars.c */
|
|
|
|
#include "mawk.h"
|
|
#include "symtype.h"
|
|
#include "bi_vars.h"
|
|
#include "field.h"
|
|
#include "init.h"
|
|
#include "memory.h"
|
|
|
|
/* the builtin variables */
|
|
CELL bi_vars[NUM_BI_VAR] ;
|
|
|
|
/* the order here must match the order in bi_vars.h */
|
|
|
|
static char *bi_var_names[NUM_BI_VAR] = {
|
|
"NR" ,
|
|
"FNR" ,
|
|
"ARGC" ,
|
|
"FILENAME" ,
|
|
"OFS" ,
|
|
"ORS" ,
|
|
"RLENGTH" ,
|
|
"RSTART" ,
|
|
"SUBSEP"
|
|
#if MSDOS && NO_BINMODE==0
|
|
, "BINMODE"
|
|
#endif
|
|
} ;
|
|
|
|
/* insert the builtin vars in the hash table */
|
|
|
|
void bi_vars_init()
|
|
{ register int i ;
|
|
register SYMTAB *s ;
|
|
|
|
|
|
for ( i = 0 ; i < NUM_BI_VAR ; i++ )
|
|
{ s = insert( bi_var_names[i] ) ;
|
|
s->type = i <= 1 ? ST_NR : ST_VAR ;
|
|
s->stval.cp = bi_vars + i ;
|
|
/* bi_vars[i].type = 0 which is C_NOINIT */
|
|
}
|
|
|
|
s = insert("ENVIRON") ;
|
|
s->type = ST_ENV ;
|
|
|
|
/* set defaults */
|
|
|
|
FILENAME->type = C_STRING ;
|
|
FILENAME->ptr = (PTR) new_STRING( "" ) ;
|
|
|
|
OFS->type = C_STRING ;
|
|
OFS->ptr = (PTR) new_STRING( " " ) ;
|
|
|
|
ORS->type = C_STRING ;
|
|
ORS->ptr = (PTR) new_STRING( "\n" ) ;
|
|
|
|
SUBSEP->type = C_STRING ;
|
|
SUBSEP->ptr = (PTR) new_STRING( "\034" ) ;
|
|
|
|
NR->type = FNR->type = C_DOUBLE ;
|
|
/* dval is already 0.0 */
|
|
|
|
#if MSDOS && NO_BINMODE==0
|
|
BINMODE->type = C_DOUBLE ;
|
|
#endif
|
|
}
|