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/* 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 <zephyr.h>
#include "jerryscript-port.h"
#include "jerryscript.h"
#include "getline-zephyr.h"
#include "jerryscript-ext/handler.h"
#include <sys/printk.h>
static jerry_value_t print_function;
/**
* 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 (name_p, handler_p);
if (jerry_value_is_exception (result_val))
{
jerry_port_log (JERRY_LOG_LEVEL_WARNING, "Warning: failed to register '%s' method.", name_p);
}
jerry_value_free (result_val);
} /* register_js_function */
static int
shell_cmd_handler (char *source_buffer)
{
jerry_value_t ret_val;
ret_val = jerry_eval ((jerry_char_t *) source_buffer, strlen (source_buffer), JERRY_PARSE_NO_OPTS);
if (jerry_value_is_exception (ret_val))
{
/* User-friendly error messages require at least "cp" JerryScript
profile. Include a message prefix in case "cp_minimal" profile
is used. */
printf ("Error executing statement: ");
/* Clear error flag, otherwise print call below won't produce any
output. */
ret_val = jerry_exception_value (ret_val, true);
}
if (!jerry_value_is_exception (print_function))
{
jerry_value_t ret_val_print = jerry_call (print_function, jerry_undefined (), &ret_val, 1);
jerry_value_free (ret_val_print);
}
jerry_value_free (ret_val);
return 0;
} /* shell_cmd_handler */
void
main (void)
{
union
{
double d;
unsigned u;
} now = { .d = jerry_port_get_current_time () };
srand (now.u);
uint32_t zephyr_ver = sys_kernel_version_get ();
printf ("JerryScript build: " __DATE__ " " __TIME__ "\n");
printf ("JerryScript API %d.%d.%d\n", JERRY_API_MAJOR_VERSION, JERRY_API_MINOR_VERSION, JERRY_API_PATCH_VERSION);
printf ("Zephyr version %d.%d.%d\n",
(int) SYS_KERNEL_VER_MAJOR (zephyr_ver),
(int) SYS_KERNEL_VER_MINOR (zephyr_ver),
(int) SYS_KERNEL_VER_PATCHLEVEL (zephyr_ver));
zephyr_getline_init ();
jerry_init (JERRY_INIT_EMPTY);
register_js_function ("print", jerryx_handler_print);
jerry_value_t global_obj_val = jerry_current_realm ();
jerry_value_t print_func_name_val = jerry_string_sz ("print");
print_function = jerry_object_get (global_obj_val, print_func_name_val);
jerry_value_free (print_func_name_val);
jerry_value_free (global_obj_val);
if (jerry_value_is_exception (print_function))
{
printf ("Error: could not look up print function, expression results won't be printed\n");
}
while (1)
{
char *s;
printf ("js> ");
fflush (stdout);
s = zephyr_getline ();
if (*s)
{
shell_cmd_handler (s);
}
}
/* As we never retturn from REPL above, don't call jerry_cleanup() here. */
} /* main */
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