minix/dist/nvi/ex/ex_tcl.c
Lionel Sambuc 3e1db26a5a Termcap update, replacing elvis by nvi.
Removing elvis, importing nvi, ctags, updating libedit.

Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
2013-01-24 07:44:38 +01:00

80 lines
1.9 KiB
C

/* $NetBSD: ex_tcl.c,v 1.2 2011/03/21 14:53:03 tnozaki Exp $ */
/*-
* 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.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "Id: ex_tcl.c,v 8.11 2001/06/25 15:19:21 skimo Exp (Berkeley) Date: 2001/06/25 15:19:21";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "../common/common.h"
#ifdef HAVE_TCL_INTERP
#include <tcl.h>
#endif
/*
* ex_tcl -- :[line [,line]] tcl [command]
* Run a command through the tcl interpreter.
*
* PUBLIC: int ex_tcl __P((SCR*, EXCMD *));
*/
int
ex_tcl(SCR *sp, EXCMD *cmdp)
{
#ifdef HAVE_TCL_INTERP
CHAR_T *p;
GS *gp;
size_t len;
char buf[128];
/* Initialize the interpreter. */
gp = sp->gp;
if (gp->tcl_interp == NULL && tcl_init(gp))
return (1);
/* 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((UCHAR_T)*p))
break;
if (cmdp->argc == 0 || len == 0) {
ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
return (1);
}
(void)snprintf(buf, sizeof(buf),
"set viScreenId %d\nset viStartLine %lu\nset viStopLine %lu",
sp->id, cmdp->addr1.lno, cmdp->addr2.lno);
if (Tcl_Eval(gp->tcl_interp, buf) == TCL_OK &&
Tcl_Eval(gp->tcl_interp, cmdp->argv[0]->bp) == TCL_OK)
return (0);
msgq(sp, M_ERR, "Tcl: %s", ((Tcl_Interp *)gp->tcl_interp)->result);
return (1);
#else
msgq(sp, M_ERR, "302|Vi was not loaded with a Tcl interpreter");
return (1);
#endif /* HAVE_TCL_INTERP */
}