pebble/third_party/jerryscript/targets/zephyr/src/main-zephyr.c
2025-01-27 11:38:16 -08:00

97 lines
2.8 KiB
C

/* Copyright 2016 Intel Corporation
*
* 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 <string.h>
#include <stdlib.h>
#include <zephyr.h>
#include <misc/printk.h>
#include <misc/shell.h>
#include "getline-zephyr.h"
#include "jerry-api.h"
static jerry_value_t print_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),
false);
if (jerry_value_has_error_flag (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. */
jerry_value_clear_error_flag (&ret_val);
}
if (!jerry_value_has_error_flag (print_function))
{
jerry_value_t ret_val_print = jerry_call_function (print_function,
jerry_create_undefined (),
&ret_val,
1);
jerry_release_value (ret_val_print);
}
jerry_release_value (ret_val);
return 0;
} /* shell_cmd_handler */
void main (void)
{
uint32_t zephyr_ver = sys_kernel_version_get ();
printf ("JerryScript build: " __DATE__ " " __TIME__ "\n");
printf ("JerryScript API %d.%d\n", JERRY_API_MAJOR_VERSION, JERRY_API_MINOR_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);
jerry_value_t global_obj_val = jerry_get_global_object ();
jerry_value_t print_func_name_val = jerry_create_string ((jerry_char_t *) "print");
print_function = jerry_get_property (global_obj_val, print_func_name_val);
jerry_release_value (print_func_name_val);
jerry_release_value (global_obj_val);
if (jerry_value_has_error_flag (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 */