#include	"debug.h"

#include	<em.h>

#include	"LLlex.h"
#include	"def.h"
#include	"main.h"
#include	"scope.h"
#include	"type.h"

static int extflc;			/* number of external files */
static int inpflag = 0;			/* input mentioned in heading ? */
static int outpflag = 0;		/* output mentioned in heading ? */
static label extfl_label;		/* label of array of file pointers */

set_inp()
{
	inpflag = 1;
}

set_outp()
{
	outpflag = 1;
}

make_extfl()
{
	register struct def *df;

	extfl_label = ++data_label;
	C_df_dlb(extfl_label);

	if( inpflag )
		C_con_dnam(input, (arith) 0);
	else
		C_con_ucon("0", pointer_size);

	if( outpflag )
		C_con_dnam(output, (arith) 0);
	else
		C_con_ucon("0", pointer_size);

	extflc = 2;

	for( df = GlobalScope->sc_def; df; df = df->df_nextinscope )
		if( (df->df_flags & D_PROGPAR) &&
		    df->var_name != input && df->var_name != output)	{
			C_con_dnam(df->var_name, (arith) 0);
			extflc++;
		}
}

call_ini()
{
	C_lxl((arith) 0);
	C_lae_dlb(extfl_label, (arith) 0);
	C_loc((arith) extflc);
	C_lxa((arith) 0);
	C_cal("_ini");
	C_asp(3 * pointer_size + word_size);
}