1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/nvi/ex/ex_tcl.c b/contrib/nvi/ex/ex_tcl.c
new file mode 100644
index 0000000..06736a7
--- /dev/null
+++ b/contrib/nvi/ex/ex_tcl.c
@@ -0,0 +1,80 @@
+/*-
+ * 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[] = "@(#)ex_tcl.c	8.10 (Berkeley) 9/15/96";
+#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(sp, cmdp)
+	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(*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 */
+}