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/*-
* Copyright (c) 2010 Wojciech A. Koszek <wkoszek@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define JIM_EMBEDDED
#include <jim.h>
/*
* Program which we want to get executed.
*/
#define JIM_PROGRAM "set l [CountChars Sample]; puts $l"
/*
* Our function.
*/
static int
CountCharsFunc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "string");
return (JIM_ERR);
}
Jim_SetResult(interp, Jim_NewIntObj(interp, Jim_Length(argv[1])));
return (JIM_OK);
}
/*
* Now we try to write big enough code to duplication our array in Jim's
* list implementation. Later, we try to load a sample script in Tcl that
* could print our list.
*/
int
main(int argc, char **argv)
{
Jim_Interp *interp;
int error;
/* Create an interpreter. */
interp = Jim_CreateInterp();
assert(interp != NULL && "couldn't create interpreter");
/* We register base commands, so that we actually implement Tcl. */
Jim_RegisterCoreCommands(interp);
/* And initialise any static extensions */
Jim_InitStaticExtensions(interp);
/* Register our Jim command. */
Jim_CreateCommand(interp, "CountChars", CountCharsFunc,
NULL, NULL);
/* Run a script. */
error = Jim_Eval(interp, JIM_PROGRAM);
if (error == JIM_ERR) {
Jim_MakeErrorMessage(interp);
fprintf(stderr, "%s\n", Jim_GetString(Jim_GetResult(interp), NULL));
Jim_FreeInterp(interp);
exit(EXIT_FAILURE);
}
Jim_FreeInterp(interp);
return (EXIT_SUCCESS);
}
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