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Diffstat (limited to 'examples/jim_list.c')
| -rw-r--r-- | examples/jim_list.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/examples/jim_list.c b/examples/jim_list.c new file mode 100644 index 0000000..8271658 --- /dev/null +++ b/examples/jim_list.c @@ -0,0 +1,112 @@ +/*- + * 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> + +/* + * We have a list of sample words in 'C'.. + */ +const char *strings[] = { + "simple", + "strings", + "which", + "should", + "get", + "interpreted", + "by", + "Jim", +}; + +/* + * We have macros which let us to easily obtain of array presented above + */ +#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0])) +#define SAMPLE_OBJS ARRAY_SIZE(strings) + +/* + * 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; + Jim_Obj *obj[SAMPLE_OBJS]; + Jim_Obj *list; + int i; + int error; + + /* This is the first function embedders should call. */ + Jim_InitEmbedded(); + + /* Create an interpreter */ + interp = Jim_CreateInterp(); + + /* Create an empty list */ + list = Jim_NewListObj(interp, NULL, 0); + assert(list != NULL); + + /* + * For each string.. + */ + for (i = 0; i < SAMPLE_OBJS; i++) { + /* Duplicate it as an array member. */ + obj[i] = Jim_NewStringObj(interp, strings[i], -1); + assert(obj[i] != NULL); + + /* We append newly created object to the list */ + Jim_ListAppendElement(interp, list, obj[i]); + } + + /* + * We bind a Tcl's name with our list, so that Tcl script can + * identify the variable. + */ + Jim_SetVariableStr(interp, "MYLIST", list); + + /* + * Register base commands, so that we actually implement Tcl. + */ + Jim_RegisterCoreCommands(interp); + + /* + * Parse a script + */ + error = Jim_EvalFile(interp, "./print.tcl"); + if (error == JIM_ERR) + Jim_PrintErrorMessage(interp); + Jim_FreeInterp(interp); + return (EXIT_SUCCESS); +} |