1 /* $NetBSD: ex_tcl.c,v 1.3 2014/01/26 21:43:45 christos Exp $ */
2 /*-
3 * Copyright (c) 1992, 1993, 1994
4 * The Regents of the University of California. All rights reserved.
5 * Copyright (c) 1992, 1993, 1994, 1995, 1996
6 * Keith Bostic. All rights reserved.
7 * Copyright (c) 1995
8 * George V. Neville-Neil. All rights reserved.
9 *
10 * See the LICENSE file for redistribution information.
11 */
12
13 #include "config.h"
14
15 #include <sys/cdefs.h>
16 #if 0
17 #ifndef lint
18 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 ";
19 #endif /* not lint */
20 #else
21 __RCSID("$NetBSD: ex_tcl.c,v 1.3 2014/01/26 21:43:45 christos Exp $");
22 #endif
23
24 #include <sys/types.h>
25 #include <sys/queue.h>
26
27 #include <bitstring.h>
28 #include <limits.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <termios.h>
32 #include <unistd.h>
33
34 #include "../common/common.h"
35
36 #ifdef HAVE_TCL_INTERP
37 #include <tcl.h>
38 #endif
39
40 /*
41 * ex_tcl -- :[line [,line]] tcl [command]
42 * Run a command through the tcl interpreter.
43 *
44 * PUBLIC: int ex_tcl __P((SCR*, EXCMD *));
45 */
46 int
ex_tcl(SCR * sp,EXCMD * cmdp)47 ex_tcl(SCR *sp, EXCMD *cmdp)
48 {
49 #ifdef HAVE_TCL_INTERP
50 CHAR_T *p;
51 GS *gp;
52 size_t len;
53 char buf[128];
54
55 /* Initialize the interpreter. */
56 gp = sp->gp;
57 if (gp->tcl_interp == NULL && tcl_init(gp))
58 return (1);
59
60 /* Skip leading white space. */
61 if (cmdp->argc != 0)
62 for (p = cmdp->argv[0]->bp,
63 len = cmdp->argv[0]->len; len > 0; --len, ++p)
64 if (!ISBLANK((UCHAR_T)*p))
65 break;
66 if (cmdp->argc == 0 || len == 0) {
67 ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
68 return (1);
69 }
70
71 (void)snprintf(buf, sizeof(buf),
72 "set viScreenId %d\nset viStartLine %lu\nset viStopLine %lu",
73 sp->id, cmdp->addr1.lno, cmdp->addr2.lno);
74 if (Tcl_Eval(gp->tcl_interp, buf) == TCL_OK &&
75 Tcl_Eval(gp->tcl_interp, cmdp->argv[0]->bp) == TCL_OK)
76 return (0);
77
78 msgq(sp, M_ERR, "Tcl: %s", ((Tcl_Interp *)gp->tcl_interp)->result);
79 return (1);
80 #else
81 msgq(sp, M_ERR, "302|Vi was not loaded with a Tcl interpreter");
82 return (1);
83 #endif /* HAVE_TCL_INTERP */
84 }
85