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jerryscript/targets/riot-stm32f4/source/main-riotos.c
T
2021-03-10 09:56:48 +01:00

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2.9 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "shell.h"
#include "jerryscript.h"
#include "jerryscript-ext/handler.h"
#include "jerryscript-port.h"
/**
* Standalone Jerry exit codes
*/
#define JERRY_STANDALONE_EXIT_CODE_OK (0)
#define JERRY_STANDALONE_EXIT_CODE_FAIL (1)
/**
* Register a JavaScript function in the global object.
*/
static void
register_js_function (const char *name_p, /**< name of the function */
jerry_external_handler_t handler_p) /**< function callback */
{
jerry_value_t result_val = jerryx_handler_register_global ((const jerry_char_t *) name_p, handler_p);
if (jerry_value_is_error (result_val))
{
printf ("Warning: failed to register '%s' method.", name_p);
}
jerry_release_value (result_val);
} /* register_js_function */
/**
* Jerryscript simple test
*/
int test_jerry (int argc, char **argv)
{
/* Suppress compiler errors */
(void) argc;
(void) argv;
jerry_value_t ret_value = jerry_create_undefined ();
const jerry_char_t script[] = "print ('Hello, World!');";
printf ("This test run the following script code: [%s]\n\n", script);
/* Initialize engine */
jerry_init (JERRY_INIT_EMPTY);
/* Register the print function in the global object. */
register_js_function ("print", jerryx_handler_print);
/* Setup Global scope code */
ret_value = jerry_parse (script, sizeof (script) - 1, NULL);
if (!jerry_value_is_error (ret_value))
{
/* Execute the parsed source code in the Global scope */
ret_value = jerry_run (ret_value);
}
int ret_code = JERRY_STANDALONE_EXIT_CODE_OK;
if (jerry_value_is_error (ret_value))
{
printf ("Script Error!");
ret_code = JERRY_STANDALONE_EXIT_CODE_FAIL;
}
jerry_release_value (ret_value);
/* Cleanup engine */
jerry_cleanup ();
return ret_code;
} /* test_jerry */
const shell_command_t shell_commands[] = {
{ "test", "Jerryscript Hello World test", test_jerry },
{ NULL, NULL, NULL }
};
int main (void)
{
union { double d; unsigned u; } now = { .d = jerry_port_get_current_time () };
srand (now.u);
printf ("You are running RIOT on a(n) %s board.\n", RIOT_BOARD);
printf ("This board features a(n) %s MCU.\n", RIOT_MCU);
/* start the shell */
char line_buf[SHELL_DEFAULT_BUFSIZE];
shell_run (shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
return 0;
}