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initial import of mg2a

/* keyboard macros for MicroGnuEmacs 1x */

#ifndef NO_MACRO
#include "def.h"
#include "key.h"
#define EXTERN
#define INIT(i) = (i)
#include "macro.h"

/*ARGSUSED*/
definemacro(f, n)
int	f, n;
{
	register LINE *lp1;
	LINE *lp2;

	macrocount = 0;
	if(macrodef) {
	    ewprintf("already defining macro");
	    return macrodef = FALSE;
	}
	/* free lines allocated for string arguments */
	if(maclhead != NULL) {
	    for(lp1 = maclhead->l_fp; lp1 != maclhead; lp1 = lp2) {
		lp2 = lp1->l_fp;
		free((char *)lp1);
	    }
	    free((char *)lp1);
	}
	if((maclhead = lp1 = lalloc(0)) == NULL) return FALSE;
	ewprintf("Defining Keyboard Macro...");
	maclcur = lp1->l_fp = lp1->l_bp = lp1;
	return macrodef = TRUE;
}

/*ARGSUSED*/
finishmacro(f, n)
int	f, n;
{
    macrodef = FALSE;
    ewprintf("End Keyboard Macro Definition");
    return TRUE;
}

/*ARGSUSED*/
executemacro(f, n)
int	f, n;
{
	int	i, j;
	PF	funct;
	int	universal_argument();
	int	flag, num;

    if(macrodef ||
	    (macrocount >= MAXMACRO && macro[MAXMACRO].m_funct != finishmacro))
	return FALSE;
    if(macrocount == 0) return TRUE;
    inmacro = TRUE;
    for(i = n; i > 0; i--) {
	maclcur = maclhead->l_fp;
	flag = 0;
	num = 1;
	for(j = 0; j < macrocount-1; j++) {
	    funct = macro[j].m_funct;
	    if(funct == universal_argument) {
		flag = FFARG;
		num = macro[++j].m_count;
		continue;
	    }
	    if((*funct)(flag, num) != TRUE) {
		inmacro = FALSE;
		return FALSE;
	    }
	    lastflag = thisflag;
	    thisflag = 0;
	    flag = 0;
	    num = 1;
	}
    }
    inmacro = FALSE;
    return TRUE;
}
#endif