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freebsd/contrib/nvi/ex/ex_perl.c
Peter Wemm b8ba871bd9 Import of nvi-1.79, minus a few bits that we dont need (eg: postscript
files, curses, db, regex etc that we already have).  The other glue will
follow shortly.

Obtained from: Keith Bostic <bostic@bostic.com>
1996-11-01 06:45:43 +00:00

70 lines
1.6 KiB
C

/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1992, 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
* Copyright (c) 1995
* George V. Neville-Neil. All rights reserved.
* Copyright (c) 1996
* Sven Verdoolaege. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)ex_perl.c 8.10 (Berkeley) 9/15/96";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/time.h>
#include <bitstring.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "../common/common.h"
/*
* ex_perl -- :[line [,line]] perl [command]
* Run a command through the perl interpreter.
*
* ex_perldo -- :[line [,line]] perldo [command]
* Run a set of lines through the perl interpreter.
*
* PUBLIC: int ex_perl __P((SCR*, EXCMD *));
*/
int
ex_perl(sp, cmdp)
SCR *sp;
EXCMD *cmdp;
{
#ifdef HAVE_PERL_INTERP
CHAR_T *p;
size_t len;
/* Skip leading white space. */
if (cmdp->argc != 0)
for (p = cmdp->argv[0]->bp,
len = cmdp->argv[0]->len; len > 0; --len, ++p)
if (!isblank(*p))
break;
if (cmdp->argc == 0 || len == 0) {
ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
return (1);
}
return (cmdp->cmd == &cmds[C_PERLCMD] ?
perl_ex_perl(sp, p, len, cmdp->addr1.lno, cmdp->addr2.lno) :
perl_ex_perldo(sp, p, len, cmdp->addr1.lno, cmdp->addr2.lno));
#else
msgq(sp, M_ERR, "306|Vi was not loaded with a Perl interpreter");
return (1);
#endif
}